Move xfa/src up to xfa/.

This CL moves the xfa/src files up to the xfa/ directory and fixes the includes,
include guards, and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1803723002 .

79 files changed, 26374 insertions, 0 deletions

diff --git a/xfa/fwl/basewidget/fwl_barcodeimp.cpp b/xfa/fwl/basewidget/fwl_barcodeimp.cpp
new file mode 100644
index 0000000000..97ac8e4acb
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_barcodeimp.cpp
@@ -0,0 +1,221 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_barcodeimp.h"
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+// static
+IFWL_Barcode* IFWL_Barcode::Create(const CFWL_WidgetImpProperties& properties) {
+  IFWL_Barcode* pBarcode = new IFWL_Barcode;
+  CFWL_BarcodeImp* pBarcodeImpl = new CFWL_BarcodeImp(properties, nullptr);
+  pBarcode->SetImpl(pBarcodeImpl);
+  pBarcodeImpl->SetInterface(pBarcode);
+  return pBarcode;
+}
+IFWL_Barcode::IFWL_Barcode() {}
+void IFWL_Barcode::SetType(BC_TYPE type) {
+  static_cast<CFWL_BarcodeImp*>(GetImpl())->SetType(type);
+}
+FX_BOOL IFWL_Barcode::IsProtectedType() {
+  return static_cast<CFWL_BarcodeImp*>(GetImpl())->IsProtectedType();
+}
+
+CFWL_BarcodeImp::CFWL_BarcodeImp(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter)
+    : CFWL_EditImp(properties, pOuter),
+      m_pBarcodeEngine(NULL),
+      m_dwStatus(0),
+      m_type(BC_UNKNOWN) {}
+CFWL_BarcodeImp::~CFWL_BarcodeImp() {
+  ReleaseBarcodeEngine();
+}
+FWL_ERR CFWL_BarcodeImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Barcode;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_BarcodeImp::GetClassID() const {
+  return FWL_CLASSHASH_Barcode;
+}
+FWL_ERR CFWL_BarcodeImp::Initialize() {
+  if (!m_pDelegate) {
+    m_pDelegate = new CFWL_BarcodeImpDelegate(this);
+  }
+  if (CFWL_EditImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_BarcodeImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  ReleaseBarcodeEngine();
+  return CFWL_EditImp::Finalize();
+}
+FWL_ERR CFWL_BarcodeImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  FWL_ERR ret = CFWL_EditImp::Update();
+  GenerateBarcodeImageCache();
+  return ret;
+}
+FWL_ERR CFWL_BarcodeImp::DrawWidget(CFX_Graphics* pGraphics,
+                                    const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    GenerateBarcodeImageCache();
+    if (!m_pBarcodeEngine || (m_dwStatus & XFA_BCS_EncodeSuccess) == 0) {
+      return FWL_ERR_Succeeded;
+    }
+    CFX_Matrix mt;
+    mt.e = m_rtClient.left;
+    mt.f = m_rtClient.top;
+    if (pMatrix) {
+      mt.Concat(*pMatrix);
+    }
+    int32_t errorCode = 0;
+    if (!m_pBarcodeEngine->RenderDevice(pGraphics->GetRenderDevice(), pMatrix,
+                                        errorCode)) {
+      return FWL_ERR_Indefinite;
+    }
+    return FWL_ERR_Succeeded;
+  }
+  return CFWL_EditImp::DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_BarcodeImp::GenerateBarcodeImageCache() {
+  if ((m_dwStatus & XFA_BCS_NeedUpdate) == 0)
+    return;
+  m_dwStatus = 0;
+  CreateBarcodeEngine();
+  IFWL_BarcodeDP* pData =
+      static_cast<IFWL_BarcodeDP*>(m_pProperties->m_pDataProvider);
+  if (!pData)
+    return;
+  if (!m_pBarcodeEngine)
+    return;
+  CFX_WideString wsText;
+  if (GetText(wsText) != FWL_ERR_Succeeded)
+    return;
+  CFWL_ThemePart part;
+  part.m_pWidget = m_pInterface;
+  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
+  IFX_Font* pFont =
+      static_cast<IFX_Font*>(pTheme->GetCapacity(&part, FWL_WGTCAPACITY_Font));
+  CFX_Font* pCXFont =
+      pFont ? static_cast<CFX_Font*>(pFont->GetDevFont()) : nullptr;
+  if (pCXFont) {
+    m_pBarcodeEngine->SetFont(pCXFont);
+  }
+  FX_FLOAT* pFontSize = static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_FontSize));
+  if (pFontSize) {
+    m_pBarcodeEngine->SetFontSize(*pFontSize);
+  }
+  FX_ARGB* pFontColor = static_cast<FX_ARGB*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_TextColor));
+  if (pFontColor) {
+    m_pBarcodeEngine->SetFontColor(*pFontColor);
+  }
+  m_pBarcodeEngine->SetHeight(int32_t(m_rtClient.height));
+  m_pBarcodeEngine->SetWidth(int32_t(m_rtClient.width));
+  FX_DWORD dwAttributeMask = pData->GetBarcodeAttributeMask();
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_CHARENCODING) {
+    m_pBarcodeEngine->SetCharEncoding(pData->GetCharEncoding());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_MODULEHEIGHT) {
+    m_pBarcodeEngine->SetModuleHeight(pData->GetModuleHeight());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_MODULEWIDTH) {
+    m_pBarcodeEngine->SetModuleWidth(pData->GetModuleWidth());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_DATALENGTH) {
+    m_pBarcodeEngine->SetDataLength(pData->GetDataLength());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_CALCHECKSUM) {
+    m_pBarcodeEngine->SetCalChecksum(pData->GetCalChecksum());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_PRINTCHECKSUM) {
+    m_pBarcodeEngine->SetPrintChecksum(pData->GetPrintChecksum());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_TEXTLOCATION) {
+    m_pBarcodeEngine->SetTextLocation(pData->GetTextLocation());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_WIDENARROWRATIO) {
+    m_pBarcodeEngine->SetWideNarrowRatio(pData->GetWideNarrowRatio());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_STARTCHAR) {
+    m_pBarcodeEngine->SetStartChar(pData->GetStartChar());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_ENDCHAR) {
+    m_pBarcodeEngine->SetEndChar(pData->GetEndChar());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_VERSION) {
+    m_pBarcodeEngine->SetVersion(pData->GetVersion());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_ECLEVEL) {
+    m_pBarcodeEngine->SetErrorCorrectionLevel(pData->GetErrorCorrectionLevel());
+  }
+  if (dwAttributeMask & FWL_BCDATTRIBUTE_TRUNCATED) {
+    m_pBarcodeEngine->SetTruncated(pData->GetTruncated());
+  }
+  int32_t errorCode = 0;
+  m_dwStatus = m_pBarcodeEngine->Encode(wsText, TRUE, errorCode)
+                   ? XFA_BCS_EncodeSuccess
+                   : 0;
+}
+void CFWL_BarcodeImp::CreateBarcodeEngine() {
+  if ((m_pBarcodeEngine == NULL) && (m_type != BC_UNKNOWN)) {
+    m_pBarcodeEngine = FX_Barcode_Create(m_type);
+  }
+}
+void CFWL_BarcodeImp::ReleaseBarcodeEngine() {
+  if (m_pBarcodeEngine) {
+    m_pBarcodeEngine->Release();
+    m_pBarcodeEngine = NULL;
+  }
+}
+void CFWL_BarcodeImp::SetType(BC_TYPE type) {
+  if (m_type == type) {
+    return;
+  }
+  ReleaseBarcodeEngine();
+  m_type = type;
+  m_dwStatus = XFA_BCS_NeedUpdate;
+}
+FWL_ERR CFWL_BarcodeImp::SetText(const CFX_WideString& wsText) {
+  ReleaseBarcodeEngine();
+  m_dwStatus = XFA_BCS_NeedUpdate;
+  return CFWL_EditImp::SetText(wsText);
+}
+FX_BOOL CFWL_BarcodeImp::IsProtectedType() {
+  if (!m_pBarcodeEngine) {
+    return TRUE;
+  }
+  BC_TYPE tEngineType = m_pBarcodeEngine->GetType();
+  if (tEngineType == BC_QR_CODE || tEngineType == BC_PDF417 ||
+      tEngineType == BC_DATAMATRIX) {
+    return TRUE;
+  }
+  return FALSE;
+}
+CFWL_BarcodeImpDelegate::CFWL_BarcodeImpDelegate(CFWL_BarcodeImp* pOwner)
+    : CFWL_EditImpDelegate(pOwner) {}
+FWL_ERR CFWL_BarcodeImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  FX_DWORD dwFlag = pEvent->GetClassID();
+  if (dwFlag == FWL_EVTHASH_EDT_TextChanged) {
+    CFWL_BarcodeImp* pOwner = static_cast<CFWL_BarcodeImp*>(m_pOwner);
+    pOwner->ReleaseBarcodeEngine();
+    pOwner->m_dwStatus = XFA_BCS_NeedUpdate;
+  }
+  return CFWL_EditImpDelegate::OnProcessEvent(pEvent);
+}
diff --git a/xfa/fwl/basewidget/fwl_barcodeimp.h b/xfa/fwl/basewidget/fwl_barcodeimp.h
new file mode 100644
index 0000000000..bf7ad91050
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_barcodeimp.h
@@ -0,0 +1,54 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_BARCODEIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_BARCODEIMP_H_
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/include/fwl/basewidget/fwl_barcode.h"
+#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
+#include "xfa/include/fwl/basewidget/fxmath_barcode.h"
+
+class CFWL_WidgetImpProperties;
+class CFWL_BarcodeImpDelegate;
+class IFWL_Widget;
+
+#define XFA_BCS_NeedUpdate 0x0001
+#define XFA_BCS_EncodeSuccess 0x0002
+
+class CFWL_BarcodeImp : public CFWL_EditImp {
+ public:
+  CFWL_BarcodeImp(const CFWL_WidgetImpProperties& properties,
+                  IFWL_Widget* pOuter);
+  virtual ~CFWL_BarcodeImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FWL_ERR SetText(const CFX_WideString& wsText);
+  virtual void SetType(BC_TYPE type);
+  FX_BOOL IsProtectedType();
+
+ protected:
+  void GenerateBarcodeImageCache();
+  void CreateBarcodeEngine();
+  void ReleaseBarcodeEngine();
+  IFX_Barcode* m_pBarcodeEngine;
+  FX_DWORD m_dwStatus;
+  BC_TYPE m_type;
+  friend class CFWL_BarcodeImpDelegate;
+};
+
+class CFWL_BarcodeImpDelegate : public CFWL_EditImpDelegate {
+ public:
+  CFWL_BarcodeImpDelegate(CFWL_BarcodeImp* pOwner);
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_BARCODEIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_caretimp.cpp b/xfa/fwl/basewidget/fwl_caretimp.cpp
new file mode 100644
index 0000000000..ea7402e029
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_caretimp.cpp
@@ -0,0 +1,157 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_caretimp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_caret.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+// static
+IFWL_Caret* IFWL_Caret::Create(const CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter) {
+  IFWL_Caret* pCaret = new IFWL_Caret;
+  CFWL_CaretImp* pCaretImpl = new CFWL_CaretImp(properties, pOuter);
+  pCaret->SetImpl(pCaretImpl);
+  pCaretImpl->SetInterface(pCaret);
+  return pCaret;
+}
+IFWL_Caret::IFWL_Caret() {}
+FWL_ERR IFWL_Caret::ShowCaret(FX_BOOL bFlag) {
+  return static_cast<CFWL_CaretImp*>(GetImpl())->ShowCaret(bFlag);
+}
+FWL_ERR IFWL_Caret::GetFrequency(FX_DWORD& elapse) {
+  return static_cast<CFWL_CaretImp*>(GetImpl())->GetFrequency(elapse);
+}
+FWL_ERR IFWL_Caret::SetFrequency(FX_DWORD elapse) {
+  return static_cast<CFWL_CaretImp*>(GetImpl())->SetFrequency(elapse);
+}
+FWL_ERR IFWL_Caret::SetColor(CFX_Color crFill) {
+  return static_cast<CFWL_CaretImp*>(GetImpl())->SetColor(crFill);
+}
+
+CFWL_CaretImp::CFWL_CaretImp(const CFWL_WidgetImpProperties& properties,
+                             IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_hTimer(nullptr),
+      m_dwElapse(400),
+      m_bSetColor(FALSE) {
+  m_pTimer = new CFWL_CaretTimer(this);
+  SetStates(FWL_STATE_CAT_HightLight);
+}
+CFWL_CaretImp::~CFWL_CaretImp() {
+  if (m_pTimer) {
+    delete m_pTimer;
+    m_pTimer = NULL;
+  }
+}
+FWL_ERR CFWL_CaretImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Caret;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_CaretImp::GetClassID() const {
+  return FWL_CLASSHASH_Caret;
+}
+FWL_ERR CFWL_CaretImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_CaretImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CaretImp::Finalize() {
+  if (m_hTimer) {
+    FWL_StopTimer(m_hTimer);
+    m_hTimer = NULL;
+  }
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_CaretImp::DrawWidget(CFX_Graphics* pGraphics,
+                                  const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  DrawCaretBK(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CaretImp::ShowCaret(FX_BOOL bFlag) {
+  if (m_hTimer) {
+    FWL_StopTimer(m_hTimer);
+    m_hTimer = NULL;
+  }
+  if (bFlag) {
+    m_hTimer = FWL_StartTimer(m_pTimer, m_dwElapse);
+  }
+  return SetStates(FWL_WGTSTATE_Invisible, !bFlag);
+}
+FWL_ERR CFWL_CaretImp::GetFrequency(FX_DWORD& elapse) {
+  elapse = m_dwElapse;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CaretImp::SetFrequency(FX_DWORD elapse) {
+  m_dwElapse = elapse;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CaretImp::SetColor(CFX_Color crFill) {
+  m_bSetColor = TRUE;
+  m_crFill = crFill;
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_CaretImp::DrawCaretBK(CFX_Graphics* pGraphics,
+                                   IFWL_ThemeProvider* pTheme,
+                                   const CFX_Matrix* pMatrix) {
+  CFX_RectF rect;
+  GetWidgetRect(rect);
+  rect.Set(0, 0, rect.width, rect.height);
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_pGraphics = pGraphics;
+  param.m_rtPart = rect;
+  if (m_bSetColor) {
+    param.m_pData = &m_crFill;
+  }
+  if (!(m_pProperties->m_dwStates & FWL_STATE_CAT_HightLight)) {
+    return FWL_ERR_Succeeded;
+  }
+  param.m_iPart = FWL_PART_CAT_Background;
+  param.m_dwStates = FWL_PARTSTATE_CAT_HightLight;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&param);
+  return FWL_ERR_Succeeded;
+}
+
+CFWL_CaretImp::CFWL_CaretTimer::CFWL_CaretTimer(CFWL_CaretImp* pCaret)
+    : m_pCaret(pCaret) {}
+
+int32_t CFWL_CaretImp::CFWL_CaretTimer::Run(FWL_HTIMER hTimer) {
+  if (m_pCaret->GetStates() & FWL_STATE_CAT_HightLight) {
+    m_pCaret->SetStates(FWL_STATE_CAT_HightLight, FALSE);
+  } else {
+    m_pCaret->SetStates(FWL_STATE_CAT_HightLight);
+  }
+  CFX_RectF rt;
+  m_pCaret->GetWidgetRect(rt);
+  rt.Set(0, 0, rt.width + 1, rt.height);
+  m_pCaret->Repaint(&rt);
+  return 1;
+}
+CFWL_CaretImpDelegate::CFWL_CaretImpDelegate(CFWL_CaretImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_CaretImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  return 1;
+}
+FWL_ERR CFWL_CaretImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                            const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
diff --git a/xfa/fwl/basewidget/fwl_caretimp.h b/xfa/fwl/basewidget/fwl_caretimp.h
new file mode 100644
index 0000000000..d123e15b58
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_caretimp.h
@@ -0,0 +1,67 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_CARETIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_CARETIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_timer.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_CaretImpDelegate;
+
+class CFWL_CaretImp : public CFWL_WidgetImp {
+ public:
+  CFWL_CaretImp(const CFWL_WidgetImpProperties& properties,
+                IFWL_Widget* pOuter);
+  virtual ~CFWL_CaretImp();
+
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+
+  virtual FWL_ERR ShowCaret(FX_BOOL bFlag = TRUE);
+  virtual FWL_ERR GetFrequency(FX_DWORD& elapse);
+  virtual FWL_ERR SetFrequency(FX_DWORD elapse);
+  virtual FWL_ERR SetColor(CFX_Color crFill);
+
+ protected:
+  FX_BOOL DrawCaretBK(CFX_Graphics* pGraphics,
+                      IFWL_ThemeProvider* pTheme,
+                      const CFX_Matrix* pMatrix);
+  class CFWL_CaretTimer : public IFWL_Timer {
+   public:
+    explicit CFWL_CaretTimer(CFWL_CaretImp* pCaret);
+    ~CFWL_CaretTimer() override {}
+    int32_t Run(FWL_HTIMER hTimer) override;
+    CFWL_CaretImp* const m_pCaret;
+  };
+  CFWL_CaretTimer* m_pTimer;
+  FWL_HTIMER m_hTimer;
+  FX_DWORD m_dwElapse;
+  CFX_Color m_crFill;
+  FX_BOOL m_bSetColor;
+  friend class CFWL_CaretImpDelegate;
+  friend class CFWL_CaretTimer;
+};
+class CFWL_CaretImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_CaretImpDelegate(CFWL_CaretImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  CFWL_CaretImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_CARETIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_checkboximp.cpp b/xfa/fwl/basewidget/fwl_checkboximp.cpp
new file mode 100644
index 0000000000..5912d0e17c
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_checkboximp.cpp
@@ -0,0 +1,555 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_checkboximp.h"
+
+#include <algorithm>
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/basewidget/fwl_checkbox.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+#define FWL_CKB_CaptionMargin 5
+
+// static
+IFWL_CheckBox* IFWL_CheckBox::Create(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter) {
+  IFWL_CheckBox* pCheckBox = new IFWL_CheckBox;
+  CFWL_CheckBoxImp* pCheckBoxImpl = new CFWL_CheckBoxImp(properties, pOuter);
+  pCheckBox->SetImpl(pCheckBoxImpl);
+  pCheckBoxImpl->SetInterface(pCheckBox);
+  return pCheckBox;
+}
+IFWL_CheckBox::IFWL_CheckBox() {}
+int32_t IFWL_CheckBox::GetCheckState() {
+  return static_cast<CFWL_CheckBoxImp*>(GetImpl())->GetCheckState();
+}
+FWL_ERR IFWL_CheckBox::SetCheckState(int32_t iCheck) {
+  return static_cast<CFWL_CheckBoxImp*>(GetImpl())->SetCheckState(iCheck);
+}
+
+CFWL_CheckBoxImp::CFWL_CheckBoxImp(const CFWL_WidgetImpProperties& properties,
+                                   IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
+      m_iTTOAlign(FDE_TTOALIGNMENT_Center),
+      m_bBtnDown(FALSE) {
+  m_rtClient.Reset();
+  m_rtBox.Reset();
+  m_rtCaption.Reset();
+  m_rtFocus.Reset();
+}
+CFWL_CheckBoxImp::~CFWL_CheckBoxImp() {}
+FWL_ERR CFWL_CheckBoxImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_CheckBox;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_CheckBoxImp::GetClassID() const {
+  return FWL_CLASSHASH_CheckBox;
+}
+FWL_ERR CFWL_CheckBoxImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_CheckBoxImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CheckBoxImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_CheckBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    if (!m_pProperties->m_pThemeProvider)
+      m_pProperties->m_pThemeProvider = GetAvailableTheme();
+    if (!m_pProperties->m_pThemeProvider)
+      return FWL_ERR_Indefinite;
+    if (!m_pProperties->m_pDataProvider)
+      return FWL_ERR_Indefinite;
+    CFX_WideString wsCaption;
+    m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+    if (wsCaption.GetLength() > 0) {
+      CFX_SizeF sz = CalcTextSize(
+          wsCaption, m_pProperties->m_pThemeProvider,
+          m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine);
+      rect.Set(0, 0, sz.x, sz.y);
+    }
+    rect.Inflate(FWL_CKB_CaptionMargin, FWL_CKB_CaptionMargin);
+    IFWL_CheckBoxDP* pData =
+        static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
+    FX_FLOAT fCheckBox = pData->GetBoxSize(m_pInterface);
+    rect.width += fCheckBox;
+    if (rect.height < fCheckBox) {
+      rect.height = fCheckBox;
+    }
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CheckBoxImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  UpdateTextOutStyles();
+  Layout();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CheckBoxImp::DrawWidget(CFX_Graphics* pGraphics,
+                                     const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_CKB_Border, m_pProperties->m_pThemeProvider,
+               pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_CKB_Edge, pTheme, pMatrix);
+  }
+  int32_t dwStates = GetPartStates();
+  {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_CKB_Background;
+    param.m_dwStates = dwStates;
+    param.m_pGraphics = pGraphics;
+    if (pMatrix) {
+      param.m_matrix.Concat(*pMatrix);
+    }
+    param.m_rtPart = m_rtClient;
+    if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+      param.m_pData = &m_rtFocus;
+    }
+    pTheme->DrawBackground(&param);
+    param.m_iPart = FWL_PART_CKB_CheckBox;
+    param.m_rtPart = m_rtBox;
+    pTheme->DrawBackground(&param);
+  }
+  if (!m_pProperties->m_pDataProvider)
+    return FWL_ERR_Indefinite;
+  {
+    CFX_WideString wsCaption;
+    m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+    int32_t iLen = wsCaption.GetLength();
+    if (iLen <= 0)
+      return FWL_ERR_Indefinite;
+    CFWL_ThemeText textParam;
+    textParam.m_pWidget = m_pInterface;
+    textParam.m_iPart = FWL_PART_CKB_Caption;
+    textParam.m_dwStates = dwStates;
+    textParam.m_pGraphics = pGraphics;
+    if (pMatrix) {
+      textParam.m_matrix.Concat(*pMatrix);
+    }
+    textParam.m_rtPart = m_rtCaption;
+    textParam.m_wsText = wsCaption;
+    textParam.m_dwTTOStyles = m_dwTTOStyles;
+    textParam.m_iTTOAlign = m_iTTOAlign;
+    pTheme->DrawText(&textParam);
+  }
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_CheckBoxImp::GetCheckState() {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) &&
+      ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+       FWL_STATE_CKB_Neutral)) {
+    return 2;
+  }
+  if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+      FWL_STATE_CKB_Checked) {
+    return 1;
+  }
+  return 0;
+}
+FWL_ERR CFWL_CheckBoxImp::SetCheckState(int32_t iCheck) {
+  m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask;
+  switch (iCheck) {
+    case 0: {
+      break;
+    }
+    case 1: {
+      m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked;
+      break;
+    }
+    case 2: {
+      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) {
+        m_pProperties->m_dwStates |= FWL_STATE_CKB_Neutral;
+      }
+      break;
+    }
+    default: {}
+  }
+  Repaint(&m_rtClient);
+  return FWL_ERR_Succeeded;
+}
+void CFWL_CheckBoxImp::Layout() {
+  int32_t width = int32_t(m_pProperties->m_rtWidget.width + 0.5f);
+  int32_t height = int32_t(m_pProperties->m_rtWidget.height + 0.5f);
+  m_pProperties->m_rtWidget.width = (FX_FLOAT)width;
+  m_pProperties->m_rtWidget.height = (FX_FLOAT)height;
+  GetClientRect(m_rtClient);
+  FX_FLOAT fBoxTop = m_rtClient.top;
+  FX_FLOAT fBoxLeft = m_rtClient.left;
+  FX_FLOAT fTextLeft = 0.0, fTextRight = 0.0;
+  FX_FLOAT fClientRight = m_rtClient.right();
+  FX_FLOAT fClientBottom = m_rtClient.bottom();
+  if (!m_pProperties->m_pDataProvider)
+    return;
+  IFWL_CheckBoxDP* pData =
+      static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
+  FX_FLOAT fCheckBox = pData->GetBoxSize(m_pInterface);
+  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) {
+    case FWL_STYLEEXT_CKB_Top: {
+      fBoxTop = m_rtClient.top;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Bottom: {
+      fBoxTop = fClientBottom - fCheckBox;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_VCenter:
+    default: {
+      fBoxTop = m_rtClient.top + (m_rtClient.height - fCheckBox) / 2;
+      fBoxTop = FXSYS_floor(fBoxTop);
+    }
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_LeftText) {
+    fBoxLeft = fClientRight - fCheckBox;
+    fTextLeft = m_rtClient.left;
+    fTextRight = fBoxLeft;
+  } else {
+    fTextLeft = fBoxLeft + fCheckBox;
+    fTextRight = fClientRight;
+  }
+  m_rtBox.Set(fBoxLeft, fBoxTop, fCheckBox, fCheckBox);
+  m_rtCaption.Set(fTextLeft, m_rtClient.top, fTextRight - fTextLeft,
+                  m_rtClient.height);
+  m_rtCaption.Inflate(-FWL_CKB_CaptionMargin, -FWL_CKB_CaptionMargin);
+  CFX_RectF rtFocus;
+  rtFocus.Set(m_rtCaption.left, m_rtCaption.top, m_rtCaption.width,
+              m_rtCaption.height);
+  CFX_WideString wsCaption;
+  m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+  if (wsCaption.IsEmpty()) {
+    m_rtFocus.Set(0, 0, 0, 0);
+  } else {
+    CalcTextRect(wsCaption, m_pProperties->m_pThemeProvider, m_dwTTOStyles,
+                 m_iTTOAlign, rtFocus);
+    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine) == 0) {
+      FX_FLOAT fWidth = std::max(m_rtCaption.width, rtFocus.width);
+      FX_FLOAT fHeight = std::min(m_rtCaption.height, rtFocus.height);
+      FX_FLOAT fLeft = m_rtCaption.left;
+      FX_FLOAT fTop = m_rtCaption.top;
+      if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_HLayoutMask) ==
+          FWL_STYLEEXT_CKB_Center) {
+        fLeft = m_rtCaption.left + (m_rtCaption.width - fWidth) / 2;
+      } else if ((m_pProperties->m_dwStyleExes &
+                  FWL_STYLEEXT_CKB_HLayoutMask) == FWL_STYLEEXT_CKB_Right) {
+        fLeft = m_rtCaption.right() - fWidth;
+      }
+      if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_VLayoutMask) ==
+          FWL_STYLEEXT_CKB_VCenter) {
+        fTop = m_rtCaption.top + (m_rtCaption.height - fHeight) / 2;
+      } else if ((m_pProperties->m_dwStyleExes &
+                  FWL_STYLEEXT_CKB_VLayoutMask) == FWL_STYLEEXT_CKB_Bottom) {
+        fTop = m_rtCaption.bottom() - fHeight;
+      }
+      m_rtFocus.Set(fLeft, fTop, fWidth, fHeight);
+    } else {
+      m_rtFocus.Set(rtFocus.left, rtFocus.top, rtFocus.width, rtFocus.height);
+    }
+    m_rtFocus.Inflate(1, 1);
+  }
+}
+FX_DWORD CFWL_CheckBoxImp::GetPartStates() {
+  int32_t dwStates = FWL_PARTSTATE_CKB_UnChecked;
+  if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+      FWL_STATE_CKB_Neutral) {
+    dwStates = FWL_PARTSTATE_CKB_Neutral;
+  } else if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+             FWL_STATE_CKB_Checked) {
+    dwStates = FWL_PARTSTATE_CKB_Checked;
+  }
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    dwStates |= FWL_PARTSTATE_CKB_Disabled;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) {
+    dwStates |= FWL_PARTSTATE_CKB_Hovered;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) {
+    dwStates |= FWL_PARTSTATE_CKB_Pressed;
+  } else {
+    dwStates |= FWL_PARTSTATE_CKB_Normal;
+  }
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    dwStates |= FWL_PARTSTATE_CKB_Focused;
+  }
+  return dwStates;
+}
+void CFWL_CheckBoxImp::UpdateTextOutStyles() {
+  m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  switch (m_pProperties->m_dwStyleExes &
+          (FWL_STYLEEXT_CKB_HLayoutMask | FWL_STYLEEXT_CKB_VLayoutMask)) {
+    case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_Top: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_Top: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Right | FWL_STYLEEXT_CKB_Top: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_TopRight;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_VCenter: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_VCenter: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Right | FWL_STYLEEXT_CKB_VCenter: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Left | FWL_STYLEEXT_CKB_Bottom: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Center | FWL_STYLEEXT_CKB_Bottom: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter;
+      break;
+    }
+    case FWL_STYLEEXT_CKB_Right | FWL_STYLEEXT_CKB_Bottom: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight;
+      break;
+    }
+    default: {}
+  }
+  m_dwTTOStyles = 0;
+  if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {
+    m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_MultiLine) {
+    m_dwTTOStyles |= FDE_TTOSTYLE_LineWrap;
+  } else {
+    m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine;
+  }
+}
+void CFWL_CheckBoxImp::NextStates() {
+  FX_DWORD dwFirststate = m_pProperties->m_dwStates;
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_RadioButton) {
+    if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+        FWL_STATE_CKB_Unchecked) {
+      CFWL_WidgetMgr* pWidgetMgr =
+          static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+      if (!pWidgetMgr->IsFormDisabled()) {
+        CFX_PtrArray radioarr;
+        pWidgetMgr->GetSameGroupRadioButton(m_pInterface, radioarr);
+        IFWL_CheckBox* pCheckBox = NULL;
+        int32_t iCount = radioarr.GetSize();
+        for (int32_t i = 0; i < iCount; i++) {
+          pCheckBox = static_cast<IFWL_CheckBox*>(radioarr[i]);
+          if (pCheckBox != m_pInterface &&
+              pCheckBox->GetStates() & FWL_STATE_CKB_Checked) {
+            pCheckBox->SetCheckState(0);
+            CFX_RectF rt;
+            pCheckBox->GetWidgetRect(rt);
+            rt.left = rt.top = 0;
+            m_pWidgetMgr->RepaintWidget(pCheckBox, &rt);
+            break;
+          }
+        }
+      }
+      m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked;
+    }
+  } else {
+    if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+        FWL_STATE_CKB_Neutral) {
+      m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask;
+      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) {
+        m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked;
+      }
+    } else if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+               FWL_STATE_CKB_Checked) {
+      m_pProperties->m_dwStates &= ~FWL_STATE_CKB_CheckMask;
+    } else {
+      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CKB_3State) {
+        m_pProperties->m_dwStates |= FWL_STATE_CKB_Neutral;
+      } else {
+        m_pProperties->m_dwStates |= FWL_STATE_CKB_Checked;
+      }
+    }
+  }
+  Repaint(&m_rtClient);
+  FX_DWORD dwLaststate = m_pProperties->m_dwStates;
+  if (dwFirststate != dwLaststate) {
+    CFWL_EvtCkbCheckStateChanged wmCheckBoxState;
+    wmCheckBoxState.m_pSrcTarget = m_pInterface;
+    DispatchEvent(&wmCheckBoxState);
+  }
+}
+CFWL_CheckBoxImpDelegate::CFWL_CheckBoxImpDelegate(CFWL_CheckBoxImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_CheckBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  int32_t iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_Activate: {
+      OnActivate(pMessage);
+      break;
+    }
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
+      if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) {
+        OnKeyDown(pKey);
+      }
+      break;
+    }
+    default: { iRet = 0; }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_CheckBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                               const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_CheckBoxImpDelegate::OnActivate(CFWL_Message* pMsg) {
+  m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
+  m_pOwner->Repaint(&(m_pOwner->m_rtClient));
+}
+void CFWL_CheckBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                              FX_BOOL bSet) {
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+  }
+  m_pOwner->Repaint(&(m_pOwner->m_rtClient));
+}
+void CFWL_CheckBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    return;
+  }
+  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    m_pOwner->SetFocus(TRUE);
+  }
+  m_pOwner->m_bBtnDown = TRUE;
+  m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
+  m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed;
+  m_pOwner->Repaint(&(m_pOwner->m_rtClient));
+}
+void CFWL_CheckBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (!m_pOwner->m_bBtnDown) {
+    return;
+  }
+  m_pOwner->m_bBtnDown = FALSE;
+  if (!m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    return;
+  }
+  m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
+  m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed;
+  m_pOwner->NextStates();
+}
+void CFWL_CheckBoxImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    return;
+  }
+  FX_BOOL bRepaint = FALSE;
+  if (m_pOwner->m_bBtnDown) {
+    if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+      if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) == 0) {
+        bRepaint = TRUE;
+        m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Pressed;
+      }
+      if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered)) {
+        bRepaint = TRUE;
+        m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
+      }
+    } else {
+      if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) {
+        bRepaint = TRUE;
+        m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Pressed;
+      }
+      if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) {
+        bRepaint = TRUE;
+        m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
+      }
+    }
+  } else {
+    if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+      if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) == 0) {
+        bRepaint = TRUE;
+        m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
+      }
+    }
+  }
+  if (bRepaint) {
+    m_pOwner->Repaint(&(m_pOwner->m_rtBox));
+  }
+}
+void CFWL_CheckBoxImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_bBtnDown) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_CKB_Hovered;
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_CKB_Hovered;
+  }
+  m_pOwner->Repaint(&(m_pOwner->m_rtBox));
+}
+void CFWL_CheckBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
+  if (pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
+    m_pOwner->DispatchKeyEvent(pMsg);
+    return;
+  }
+  if (pMsg->m_dwKeyCode == FWL_VKEY_Return ||
+      pMsg->m_dwKeyCode == FWL_VKEY_Space) {
+    m_pOwner->NextStates();
+  }
+}
diff --git a/xfa/fwl/basewidget/fwl_checkboximp.h b/xfa/fwl/basewidget/fwl_checkboximp.h
new file mode 100644
index 0000000000..1f6f5f3f7c
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_checkboximp.h
@@ -0,0 +1,64 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_CHECKBOXIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_CHECKBOXIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_CheckBoxImpDelegate;
+
+class CFWL_CheckBoxImp : public CFWL_WidgetImp {
+ public:
+  CFWL_CheckBoxImp(const CFWL_WidgetImpProperties& properties,
+                   IFWL_Widget* pOuter);
+  ~CFWL_CheckBoxImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual int32_t GetCheckState();
+  virtual FWL_ERR SetCheckState(int32_t iCheck);
+
+ protected:
+  void Layout();
+  FX_DWORD GetPartStates();
+  void UpdateTextOutStyles();
+  void NextStates();
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtBox;
+  CFX_RectF m_rtCaption;
+  CFX_RectF m_rtFocus;
+  FX_DWORD m_dwTTOStyles;
+  int32_t m_iTTOAlign;
+  FX_BOOL m_bBtnDown;
+  friend class CFWL_CheckBoxImpDelegate;
+};
+class CFWL_CheckBoxImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_CheckBoxImpDelegate(CFWL_CheckBoxImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnActivate(CFWL_Message* pMsg);
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+  CFWL_CheckBoxImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_CHECKBOXIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_comboboximp.cpp b/xfa/fwl/basewidget/fwl_comboboximp.cpp
new file mode 100644
index 0000000000..7aae6d5a97
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_comboboximp.cpp
@@ -0,0 +1,1819 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_comboboximp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/fwl/basewidget/fwl_formproxyimp.h"
+#include "xfa/fwl/basewidget/fwl_listboximp.h"
+#include "xfa/fwl/basewidget/fwl_scrollbarimp.h"
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+// static
+IFWL_ComboBox* IFWL_ComboBox::Create(
+    const CFWL_WidgetImpProperties& properties) {
+  IFWL_ComboBox* pComboBox = new IFWL_ComboBox;
+  CFWL_ComboBoxImp* pComboBoxImpl = new CFWL_ComboBoxImp(properties, nullptr);
+  pComboBox->SetImpl(pComboBoxImpl);
+  pComboBoxImpl->SetInterface(pComboBox);
+  return pComboBox;
+}
+IFWL_ComboBox::IFWL_ComboBox() {}
+int32_t IFWL_ComboBox::GetCurSel() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->GetCurSel();
+}
+FWL_ERR IFWL_ComboBox::SetCurSel(int32_t iSel) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->SetCurSel(iSel);
+}
+FWL_ERR IFWL_ComboBox::SetEditText(const CFX_WideString& wsText) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->SetEditText(wsText);
+}
+int32_t IFWL_ComboBox::GetEditTextLength() const {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->GetEditTextLength();
+}
+FWL_ERR IFWL_ComboBox::GetEditText(CFX_WideString& wsText,
+                                   int32_t nStart,
+                                   int32_t nCount) const {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())
+      ->GetEditText(wsText, nStart, nCount);
+}
+FWL_ERR IFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())
+      ->SetEditSelRange(nStart, nCount);
+}
+int32_t IFWL_ComboBox::GetEditSelRange(int32_t nIndex, int32_t& nStart) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())
+      ->GetEditSelRange(nIndex, nStart);
+}
+int32_t IFWL_ComboBox::GetEditLimit() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->GetEditLimit();
+}
+FWL_ERR IFWL_ComboBox::SetEditLimit(int32_t nLimit) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->SetEditLimit(nLimit);
+}
+FWL_ERR IFWL_ComboBox::EditDoClipboard(int32_t iCmd) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditDoClipboard(iCmd);
+}
+FX_BOOL IFWL_ComboBox::EditRedo(const CFX_ByteStringC& bsRecord) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditRedo(bsRecord);
+}
+FX_BOOL IFWL_ComboBox::EditUndo(const CFX_ByteStringC& bsRecord) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditUndo(bsRecord);
+}
+IFWL_ListBox* IFWL_ComboBox::GetListBoxt() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->GetListBoxt();
+}
+FX_BOOL IFWL_ComboBox::AfterFocusShowDropList() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->AfterFocusShowDropList();
+}
+FX_ERR IFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->OpenDropDownList(bActivate);
+}
+FX_BOOL IFWL_ComboBox::EditCanUndo() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCanUndo();
+}
+FX_BOOL IFWL_ComboBox::EditCanRedo() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCanRedo();
+}
+FX_BOOL IFWL_ComboBox::EditUndo() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditUndo();
+}
+FX_BOOL IFWL_ComboBox::EditRedo() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditRedo();
+}
+FX_BOOL IFWL_ComboBox::EditCanCopy() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCanCopy();
+}
+FX_BOOL IFWL_ComboBox::EditCanCut() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCanCut();
+}
+FX_BOOL IFWL_ComboBox::EditCanSelectAll() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCanSelectAll();
+}
+FX_BOOL IFWL_ComboBox::EditCopy(CFX_WideString& wsCopy) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCopy(wsCopy);
+}
+FX_BOOL IFWL_ComboBox::EditCut(CFX_WideString& wsCut) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditCut(wsCut);
+}
+FX_BOOL IFWL_ComboBox::EditPaste(const CFX_WideString& wsPaste) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditPaste(wsPaste);
+}
+FX_BOOL IFWL_ComboBox::EditSelectAll() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditSelectAll();
+}
+FX_BOOL IFWL_ComboBox::EditDelete() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditDelete();
+}
+FX_BOOL IFWL_ComboBox::EditDeSelect() {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->EditDeSelect();
+}
+FWL_ERR IFWL_ComboBox::GetBBox(CFX_RectF& rect) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())->GetBBox(rect);
+}
+FWL_ERR IFWL_ComboBox::EditModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                          FX_DWORD dwStylesExRemoved) {
+  return static_cast<CFWL_ComboBoxImp*>(GetImpl())
+      ->EditModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+
+CFWL_ComboEditImp::CFWL_ComboEditImp(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter)
+    : CFWL_EditImp(properties, pOuter) {
+  m_pOuter = static_cast<CFWL_ComboBoxImp*>(pOuter->GetImpl());
+}
+
+CFWL_ComboEditImpDelegate::CFWL_ComboEditImpDelegate(CFWL_ComboEditImp* pOwner)
+    : CFWL_EditImpDelegate(pOwner), m_pOwner(pOwner) {}
+int32_t CFWL_ComboEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  FX_BOOL backDefault = TRUE;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      if (dwMsgCode == FWL_MSGHASH_SetFocus) {
+        m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+      } else {
+        m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+      }
+      backDefault = FALSE;
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      if ((pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown) &&
+          ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)) {
+        m_pOwner->SetSelected();
+        m_pOwner->SetComboBoxFocus(TRUE);
+      }
+      break;
+    }
+    default: {}
+  }
+  if (!backDefault) {
+    return 1;
+  }
+  return CFWL_EditImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_ComboEditImp::ClearSelected() {
+  ClearSelections();
+  Repaint(&m_rtClient);
+}
+void CFWL_ComboEditImp::SetSelected() {
+  FlagFocus(TRUE);
+  EndCaret();
+  AddSelRange(0);
+}
+void CFWL_ComboEditImp::EndCaret() {
+  m_pEdtEngine->MoveCaretPos(MC_End);
+}
+void CFWL_ComboEditImp::FlagFocus(FX_BOOL bSet) {
+  if (bSet) {
+    m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+  } else {
+    m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+    ShowCaret(FALSE);
+  }
+}
+void CFWL_ComboEditImp::SetComboBoxFocus(FX_BOOL bSet) {
+  m_pOuter->SetFocus(bSet);
+}
+CFWL_ComboListImp::CFWL_ComboListImp(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter)
+    : CFWL_ListBoxImp(properties, pOuter), m_bNotifyOwner(TRUE) {
+  FXSYS_assert(pOuter != NULL);
+}
+FWL_ERR CFWL_ComboListImp::Initialize() {
+  if (CFWL_ListBoxImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  delete m_pDelegate;
+  m_pDelegate = new CFWL_ComboListImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboListImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_ListBoxImp::Finalize();
+}
+int32_t CFWL_ComboListImp::MatchItem(const CFX_WideString& wsMatch) {
+  if (wsMatch.IsEmpty()) {
+    return -1;
+  }
+  if (!m_pProperties->m_pDataProvider)
+    return -1;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    CFX_WideString wsText;
+    pData->GetItemText(m_pInterface, hItem, wsText);
+    FX_STRSIZE pos = wsText.Find(wsMatch.c_str());
+    if (!pos) {
+      return i;
+    }
+  }
+  return -1;
+}
+void CFWL_ComboListImp::ChangeSelected(int32_t iSel) {
+  if (!m_pProperties->m_pDataProvider)
+    return;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iSel);
+  CFX_RectF rtInvalidate;
+  rtInvalidate.Reset();
+  FWL_HLISTITEM hOld = GetSelItem(0);
+  int32_t iOld = pData->GetItemIndex(m_pInterface, hOld);
+  if (iOld == iSel) {
+    return;
+  } else if (iOld > -1) {
+    GetItemRect(iOld, rtInvalidate);
+    SetSelItem(hOld, FALSE);
+  }
+  if (hItem) {
+    CFX_RectF rect;
+    GetItemRect(iSel, rect);
+    rtInvalidate.Union(rect);
+    FWL_HLISTITEM hSel = pData->GetItem(m_pInterface, iSel);
+    SetSelItem(hSel, TRUE);
+  }
+  if (!rtInvalidate.IsEmpty()) {
+    Repaint(&rtInvalidate);
+  }
+}
+int32_t CFWL_ComboListImp::CountItems() {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  return pData ? pData->CountItems(m_pInterface) : 0;
+}
+void CFWL_ComboListImp::GetItemRect(int32_t nIndex, CFX_RectF& rtItem) {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, nIndex);
+  pData->GetItemRect(m_pInterface, hItem, rtItem);
+}
+void CFWL_ComboListImp::ClientToOuter(FX_FLOAT& fx, FX_FLOAT& fy) {
+  fx += m_pProperties->m_rtWidget.left, fy += m_pProperties->m_rtWidget.top;
+  IFWL_Widget* pOwner = GetOwner();
+  if (!pOwner)
+    return;
+  pOwner->TransformTo(m_pOuter, fx, fy);
+}
+void CFWL_ComboListImp::SetFocus(FX_BOOL bSet) {
+  CFWL_WidgetImp::SetFocus(bSet);
+}
+CFWL_ComboListImpDelegate::CFWL_ComboListImpDelegate(CFWL_ComboListImp* pOwner)
+    : CFWL_ListBoxImpDelegate(pOwner), m_pOwner(pOwner) {}
+int32_t CFWL_ComboListImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwHashCode = pMessage->GetClassID();
+  FX_BOOL backDefault = TRUE;
+  if (dwHashCode == FWL_MSGHASH_SetFocus ||
+      dwHashCode == FWL_MSGHASH_KillFocus) {
+    OnDropListFocusChanged(pMessage, dwHashCode == FWL_MSGHASH_SetFocus);
+  } else if (dwHashCode == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) {
+      CFX_RectF rect;
+      m_pOwner->m_pVertScrollBar->GetWidgetRect(rect);
+      if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) {
+        pMsg->m_fx -= rect.left;
+        pMsg->m_fy -= rect.top;
+        IFWL_WidgetDelegate* pDelegate =
+            m_pOwner->m_pVertScrollBar->SetDelegate(NULL);
+        return pDelegate->OnProcessMessage(pMsg);
+      }
+    }
+    FX_DWORD dwCmd = pMsg->m_dwCmd;
+    switch (dwCmd) {
+      case FWL_MSGMOUSECMD_MouseMove: {
+        backDefault = FALSE;
+        OnDropListMouseMove(pMsg);
+        break;
+      }
+      case FWL_MSGMOUSECMD_LButtonDown: {
+        backDefault = FALSE;
+        OnDropListLButtonDown(pMsg);
+        break;
+      }
+      case FWL_MSGMOUSECMD_LButtonUp: {
+        backDefault = FALSE;
+        OnDropListLButtonUp(pMsg);
+        break;
+      }
+      default: {}
+    }
+  } else if (dwHashCode == FWL_MSGHASH_Key) {
+    backDefault = !OnDropListKey(static_cast<CFWL_MsgKey*>(pMessage));
+  }
+  if (!backDefault) {
+    return 1;
+  }
+  return CFWL_ListBoxImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_ComboListImpDelegate::OnDropListFocusChanged(CFWL_Message* pMsg,
+                                                       FX_BOOL bSet) {
+  if (!bSet) {
+    CFWL_MsgKillFocus* pKill = static_cast<CFWL_MsgKillFocus*>(pMsg);
+    CFWL_ComboBoxImp* pOuter =
+        static_cast<CFWL_ComboBoxImp*>(m_pOwner->m_pOuter->GetImpl());
+    if (pKill->m_pSetFocus == m_pOwner->m_pOuter ||
+        pKill->m_pSetFocus == pOuter->m_pEdit.get()) {
+      pOuter->ShowDropList(FALSE);
+    }
+  }
+}
+int32_t CFWL_ComboListImpDelegate::OnDropListMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (m_pOwner->m_bNotifyOwner) {
+      m_pOwner->m_bNotifyOwner = FALSE;
+    }
+    if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) {
+      CFX_RectF rect;
+      m_pOwner->m_pVertScrollBar->GetWidgetRect(rect);
+      if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) {
+        return 1;
+      }
+    }
+    FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy);
+    if (hItem) {
+      if (!m_pOwner->m_pProperties->m_pDataProvider)
+        return 0;
+      IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(
+          m_pOwner->m_pProperties->m_pDataProvider);
+      int32_t iSel = pData->GetItemIndex(m_pOwner->m_pInterface, hItem);
+      CFWL_EvtCmbHoverChanged event;
+      event.m_pSrcTarget = m_pOwner->m_pOuter;
+      event.m_iCurHover = iSel;
+      m_pOwner->DispatchEvent(&event);
+      m_pOwner->ChangeSelected(iSel);
+    }
+  } else if (m_pOwner->m_bNotifyOwner) {
+    m_pOwner->ClientToOuter(pMsg->m_fx, pMsg->m_fy);
+    CFWL_ComboBoxImp* pOuter =
+        static_cast<CFWL_ComboBoxImp*>(m_pOwner->m_pOuter->GetImpl());
+    pOuter->m_pDelegate->OnProcessMessage(pMsg);
+  }
+  return 1;
+}
+int32_t CFWL_ComboListImpDelegate::OnDropListLButtonDown(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    return 0;
+  }
+  CFWL_ComboBoxImp* pOuter =
+      static_cast<CFWL_ComboBoxImp*>(m_pOwner->m_pOuter->GetImpl());
+  pOuter->ShowDropList(FALSE);
+  return 1;
+}
+int32_t CFWL_ComboListImpDelegate::OnDropListLButtonUp(CFWL_MsgMouse* pMsg) {
+  CFWL_ComboBoxImp* pOuter =
+      static_cast<CFWL_ComboBoxImp*>(m_pOwner->m_pOuter->GetImpl());
+  if (m_pOwner->m_bNotifyOwner) {
+    m_pOwner->ClientToOuter(pMsg->m_fx, pMsg->m_fy);
+    pOuter->m_pDelegate->OnProcessMessage(pMsg);
+  } else {
+    if (m_pOwner->IsShowScrollBar(TRUE) && m_pOwner->m_pVertScrollBar) {
+      CFX_RectF rect;
+      m_pOwner->m_pVertScrollBar->GetWidgetRect(rect);
+      if (rect.Contains(pMsg->m_fx, pMsg->m_fy)) {
+        return 1;
+      }
+    }
+    pOuter->ShowDropList(FALSE);
+    FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy);
+    if (hItem) {
+      pOuter->ProcessSelChanged(TRUE);
+    }
+  }
+  return 1;
+}
+int32_t CFWL_ComboListImpDelegate::OnDropListKey(CFWL_MsgKey* pKey) {
+  CFWL_ComboBoxImp* pOuter =
+      static_cast<CFWL_ComboBoxImp*>(m_pOwner->m_pOuter->GetImpl());
+  FX_BOOL bPropagate = FALSE;
+  if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) {
+    FX_DWORD dwKeyCode = pKey->m_dwKeyCode;
+    switch (dwKeyCode) {
+      case FWL_VKEY_Return:
+      case FWL_VKEY_Escape: {
+        pOuter->ShowDropList(FALSE);
+        return 1;
+      }
+      case FWL_VKEY_Up:
+      case FWL_VKEY_Down: {
+        OnDropListKeyDown(pKey);
+        pOuter->SetDelegate(nullptr);
+        pOuter->ProcessSelChanged(FALSE);
+        return 1;
+      }
+      default: { bPropagate = TRUE; }
+    }
+  } else if (pKey->m_dwCmd == FWL_MSGKEYCMD_Char) {
+    bPropagate = TRUE;
+  }
+  if (bPropagate) {
+    pKey->m_pDstTarget = m_pOwner->m_pOuter;
+    pOuter->m_pDelegate->OnProcessMessage(pKey);
+    return 1;
+  }
+  return 0;
+}
+void CFWL_ComboListImpDelegate::OnDropListKeyDown(CFWL_MsgKey* pKey) {
+  FX_DWORD dwKeyCode = pKey->m_dwKeyCode;
+  switch (dwKeyCode) {
+    case FWL_VKEY_Up:
+    case FWL_VKEY_Down:
+    case FWL_VKEY_Home:
+    case FWL_VKEY_End: {
+      CFWL_ComboBoxImp* pOuter =
+          static_cast<CFWL_ComboBoxImp*>(m_pOwner->m_pOuter->GetImpl());
+      IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(
+          m_pOwner->m_pProperties->m_pDataProvider);
+      FWL_HLISTITEM hItem =
+          pData->GetItem(m_pOwner->m_pInterface, pOuter->m_iCurSel);
+      hItem = m_pOwner->GetItem(hItem, dwKeyCode);
+      if (!hItem) {
+        break;
+      }
+      m_pOwner->SetSelection(hItem, hItem, TRUE);
+      m_pOwner->ScrollToVisible(hItem);
+      CFX_RectF rtInvalidate;
+      rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width,
+                       m_pOwner->m_pProperties->m_rtWidget.height);
+      m_pOwner->Repaint(&rtInvalidate);
+      break;
+    }
+    default: {}
+  }
+}
+CFWL_ComboBoxImp::CFWL_ComboBoxImp(const CFWL_WidgetImpProperties& properties,
+                                   IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_pForm(NULL),
+      m_bLButtonDown(FALSE),
+      m_iCurSel(-1),
+      m_iBtnState(FWL_PARTSTATE_CMB_Normal),
+      m_fComboFormHandler(0),
+      m_bNeedShowList(FALSE) {
+  m_rtClient.Reset();
+  m_rtBtn.Reset();
+  m_rtHandler.Reset();
+}
+CFWL_ComboBoxImp::~CFWL_ComboBoxImp() {}
+FWL_ERR CFWL_ComboBoxImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_ComboBox;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ComboBoxImp::GetClassID() const {
+  return FWL_CLASSHASH_ComboBox;
+}
+FWL_ERR CFWL_ComboBoxImp::Initialize() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_Initialize();
+  }
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_WGTSTATE_Invisible;  // Probably a bug; not a FWL_ERR_ value.
+  m_pDelegate = new CFWL_ComboBoxImpDelegate(this);
+  CFWL_WidgetImpProperties prop;
+  prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  prop.m_dwStyles |= FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll;
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListItemIconText) {
+    prop.m_dwStyleExes |= FWL_STYLEEXT_LTB_Icon;
+  }
+  prop.m_pDataProvider = m_pProperties->m_pDataProvider;
+  m_pListBox.reset(IFWL_ListBox::CreateComboList(prop, m_pInterface));
+  m_pListBox->Initialize();
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown) && !m_pEdit) {
+    CFWL_WidgetImpProperties prop2;
+    m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop2, m_pInterface));
+    m_pEdit->Initialize();
+    static_cast<CFWL_EditImp*>(m_pEdit->GetImpl())->SetOuter(m_pInterface);
+  }
+  if (m_pEdit) {
+    m_pEdit->SetParent(m_pInterface);
+  }
+  SetStates(m_pProperties->m_dwStates);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::Finalize() {
+  if (m_pEdit) {
+    m_pEdit->Finalize();
+  }
+  m_pListBox->Finalize();
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_ComboBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Reset();
+    FX_BOOL bIsDropDown = IsDropDownStyle();
+    if (bIsDropDown && m_pEdit) {
+      m_pEdit->GetWidgetRect(rect, TRUE);
+    } else {
+      rect.width = 100;
+      rect.height = 16;
+    }
+    if (!m_pProperties->m_pThemeProvider) {
+      ReSetTheme();
+    }
+    FX_FLOAT* pFWidth = static_cast<FX_FLOAT*>(
+        GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+    if (!pFWidth)
+      return FWL_ERR_Indefinite;
+    rect.Inflate(0, 0, *pFWidth, 0);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                         FX_DWORD dwStylesExRemoved) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+  }
+  FX_BOOL bAddDropDown = dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown;
+  FX_BOOL bRemoveDropDown = dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown;
+  if (bAddDropDown && !m_pEdit) {
+    CFWL_WidgetImpProperties prop;
+    m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop, nullptr));
+    m_pEdit->Initialize();
+    static_cast<CFWL_EditImp*>(m_pEdit->GetImpl())->SetOuter(m_pInterface);
+    m_pEdit->SetParent(m_pInterface);
+  } else if (bRemoveDropDown && m_pEdit) {
+    m_pEdit->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+  return CFWL_WidgetImp::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+FWL_ERR CFWL_ComboBoxImp::Update() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_Update();
+  }
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  ReSetTheme();
+  FX_BOOL bDropDown = IsDropDownStyle();
+  if (bDropDown && m_pEdit) {
+    ReSetEditAlignment();
+  }
+  if (m_pProperties->m_pThemeProvider == NULL) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  Layout();
+  CFWL_ThemePart part;
+  part.m_pWidget = m_pInterface;
+  m_fComboFormHandler =
+      *static_cast<FX_FLOAT*>(m_pProperties->m_pThemeProvider->GetCapacity(
+          &part, FWL_WGTCAPACITY_CMB_ComboFormHandler));
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ComboBoxImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_HitTest(fx, fy);
+  }
+  return CFWL_WidgetImp::HitTest(fx, fy);
+}
+FWL_ERR CFWL_ComboBoxImp::DrawWidget(CFX_Graphics* pGraphics,
+                                     const CFX_Matrix* pMatrix) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_DrawWidget(pGraphics, pMatrix);
+  }
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  FX_BOOL bIsDropDown = IsDropDownStyle();
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_CMB_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_CMB_Edge, pTheme, pMatrix);
+  }
+  if (!bIsDropDown) {
+    CFX_RectF rtTextBk(m_rtClient);
+    rtTextBk.width -= m_rtBtn.width;
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_CMB_Background;
+    param.m_pGraphics = pGraphics;
+    if (pMatrix) {
+      param.m_matrix.Concat(*pMatrix);
+    }
+    param.m_rtPart = rtTextBk;
+    if (m_iCurSel >= 0) {
+      IFWL_ListBoxDP* pData = static_cast<IFWL_ListBoxDP*>(
+          static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+              ->m_pProperties->m_pDataProvider);
+      void* p = pData->GetItemData(m_pListBox.get(),
+                                   pData->GetItem(m_pListBox.get(), m_iCurSel));
+      if (p != NULL) {
+        param.m_pData = p;
+      }
+    }
+    if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+      param.m_dwStates = FWL_PARTSTATE_CMB_Disabled;
+    } else if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) &&
+               (m_iCurSel >= 0)) {
+      param.m_dwStates = FWL_PARTSTATE_CMB_Selected;
+    } else {
+      param.m_dwStates = FWL_PARTSTATE_CMB_Normal;
+    }
+    pTheme->DrawBackground(&param);
+    if (m_iCurSel >= 0) {
+      if (!m_pListBox)
+        return FWL_ERR_Indefinite;
+      CFX_WideString wsText;
+      IFWL_ComboBoxDP* pData =
+          static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+      FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel);
+      static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+          ->GetItemText(hItem, wsText);
+      CFWL_ThemeText param;
+      param.m_pWidget = m_pInterface;
+      param.m_iPart = FWL_PART_CMB_Caption;
+      param.m_dwStates = m_iBtnState;
+      param.m_pGraphics = pGraphics;
+      param.m_matrix.Concat(*pMatrix);
+      param.m_rtPart = rtTextBk;
+      param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)
+                             ? FWL_PARTSTATE_CMB_Selected
+                             : FWL_PARTSTATE_CMB_Normal;
+      param.m_wsText = wsText;
+      param.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+      param.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+      pTheme->DrawText(&param);
+    }
+  }
+  {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_CMB_DropDownButton;
+    param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+                           ? FWL_PARTSTATE_CMB_Disabled
+                           : m_iBtnState;
+    param.m_pGraphics = pGraphics;
+    param.m_matrix.Concat(*pMatrix);
+    param.m_rtPart = m_rtBtn;
+    pTheme->DrawBackground(&param);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  if (!pThemeProvider)
+    return FWL_ERR_Indefinite;
+  m_pProperties->m_pThemeProvider = pThemeProvider;
+  if (m_pListBox && pThemeProvider->IsValidWidget(m_pListBox.get())) {
+    m_pListBox->SetThemeProvider(pThemeProvider);
+  }
+  if (m_pEdit && pThemeProvider->IsValidWidget(m_pEdit.get())) {
+    m_pEdit->SetThemeProvider(pThemeProvider);
+  }
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ComboBoxImp::GetCurSel() {
+  return m_iCurSel;
+}
+FWL_ERR CFWL_ComboBoxImp::SetCurSel(int32_t iSel) {
+  int32_t iCount =
+      static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())->CountItems();
+  FX_BOOL bClearSel = iSel < 0 || iSel >= iCount;
+  FX_BOOL bDropDown = IsDropDownStyle();
+  if (bDropDown && m_pEdit) {
+    if (bClearSel) {
+      m_pEdit->SetText(CFX_WideString());
+    } else {
+      CFX_WideString wsText;
+      IFWL_ComboBoxDP* pData =
+          static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+      FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iSel);
+      static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+          ->GetItemText(hItem, wsText);
+      m_pEdit->SetText(wsText);
+    }
+    m_pEdit->Update();
+  }
+  m_iCurSel = bClearSel ? -1 : iSel;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  FX_BOOL bIsDropDown = IsDropDownStyle();
+  if (bIsDropDown && m_pEdit) {
+    m_pEdit->SetStates(dwStates, bSet);
+  }
+  if (m_pListBox) {
+    m_pListBox->SetStates(dwStates, bSet);
+  }
+  return CFWL_WidgetImp::SetStates(dwStates, bSet);
+}
+FWL_ERR CFWL_ComboBoxImp::SetEditText(const CFX_WideString& wsText) {
+  if (!m_pEdit)
+    return FWL_ERR_Indefinite;
+  m_pEdit->SetText(wsText);
+  return m_pEdit->Update();
+}
+int32_t CFWL_ComboBoxImp::GetEditTextLength() const {
+  if (!m_pEdit)
+    return -1;
+  return m_pEdit->GetTextLength();
+}
+FWL_ERR CFWL_ComboBoxImp::GetEditText(CFX_WideString& wsText,
+                                      int32_t nStart,
+                                      int32_t nCount) const {
+  if (m_pEdit) {
+    return m_pEdit->GetText(wsText, nStart, nCount);
+  } else if (m_pListBox) {
+    IFWL_ComboBoxDP* pData =
+        static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel);
+    return m_pListBox->GetItemText(hItem, wsText);
+  }
+  return FWL_ERR_Indefinite;
+}
+FWL_ERR CFWL_ComboBoxImp::SetEditSelRange(int32_t nStart, int32_t nCount) {
+  if (!m_pEdit)
+    return FWL_ERR_Indefinite;
+  static_cast<CFWL_ComboEditImp*>(m_pEdit->GetImpl())->ClearSelected();
+  m_pEdit->AddSelRange(nStart, nCount);
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ComboBoxImp::GetEditSelRange(int32_t nIndex, int32_t& nStart) {
+  if (!m_pEdit)
+    return -1;
+  return m_pEdit->GetSelRange(nIndex, nStart);
+}
+int32_t CFWL_ComboBoxImp::GetEditLimit() {
+  if (!m_pEdit)
+    return -1;
+  return m_pEdit->GetLimit();
+}
+FWL_ERR CFWL_ComboBoxImp::SetEditLimit(int32_t nLimit) {
+  if (!m_pEdit)
+    return FWL_ERR_Indefinite;
+  return m_pEdit->SetLimit(nLimit);
+}
+FWL_ERR CFWL_ComboBoxImp::EditDoClipboard(int32_t iCmd) {
+  if (!m_pEdit)
+    return FWL_ERR_Indefinite;
+  return m_pEdit->DoClipboard(iCmd);
+}
+FX_BOOL CFWL_ComboBoxImp::EditRedo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pEdit)
+    return FALSE;
+  return m_pEdit->Redo(bsRecord);
+}
+FX_BOOL CFWL_ComboBoxImp::EditUndo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pEdit)
+    return FALSE;
+  return m_pEdit->Undo(bsRecord);
+}
+IFWL_ListBox* CFWL_ComboBoxImp::GetListBoxt() {
+  return m_pListBox.get();
+}
+FX_BOOL CFWL_ComboBoxImp::AfterFocusShowDropList() {
+  if (!m_bNeedShowList) {
+    return FALSE;
+  }
+  if (m_pEdit) {
+    MatchEditText();
+  }
+  ShowDropList(TRUE);
+  m_bNeedShowList = FALSE;
+  return TRUE;
+}
+FX_ERR CFWL_ComboBoxImp::OpenDropDownList(FX_BOOL bActivate) {
+  ShowDropList(bActivate);
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_ComboBoxImp::EditCanUndo() {
+  return m_pEdit->CanUndo();
+}
+FX_BOOL CFWL_ComboBoxImp::EditCanRedo() {
+  return m_pEdit->CanRedo();
+}
+FX_BOOL CFWL_ComboBoxImp::EditUndo() {
+  return m_pEdit->Undo();
+}
+FX_BOOL CFWL_ComboBoxImp::EditRedo() {
+  return m_pEdit->Redo();
+}
+FX_BOOL CFWL_ComboBoxImp::EditCanCopy() {
+  return m_pEdit->CountSelRanges() > 0;
+}
+FX_BOOL CFWL_ComboBoxImp::EditCanCut() {
+  if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) {
+    return FALSE;
+  }
+  return m_pEdit->CountSelRanges() > 0;
+}
+FX_BOOL CFWL_ComboBoxImp::EditCanSelectAll() {
+  return m_pEdit->GetTextLength() > 0;
+}
+FX_BOOL CFWL_ComboBoxImp::EditCopy(CFX_WideString& wsCopy) {
+  return m_pEdit->Copy(wsCopy);
+}
+FX_BOOL CFWL_ComboBoxImp::EditCut(CFX_WideString& wsCut) {
+  return m_pEdit->Cut(wsCut);
+}
+FX_BOOL CFWL_ComboBoxImp::EditPaste(const CFX_WideString& wsPaste) {
+  return m_pEdit->Paste(wsPaste);
+}
+FX_BOOL CFWL_ComboBoxImp::EditSelectAll() {
+  return m_pEdit->AddSelRange(0) == FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_ComboBoxImp::EditDelete() {
+  return m_pEdit->ClearText() == FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_ComboBoxImp::EditDeSelect() {
+  return m_pEdit->ClearSelections() == FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::GetBBox(CFX_RectF& rect) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_GetBBox(rect);
+  }
+  rect = m_pProperties->m_rtWidget;
+  if (m_pListBox && IsDropListShowed()) {
+    CFX_RectF rtList;
+    m_pListBox->GetWidgetRect(rtList);
+    rtList.Offset(rect.left, rect.top);
+    rect.Union(rtList);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::EditModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                             FX_DWORD dwStylesExRemoved) {
+  if (m_pEdit != NULL) {
+    return m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+  } else {
+    return FWL_ERR_Parameter_Invalid;
+  }
+}
+FX_FLOAT CFWL_ComboBoxImp::GetListHeight() {
+  return static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider)
+      ->GetListHeight(m_pInterface);
+}
+void CFWL_ComboBoxImp::DrawStretchHandler(CFX_Graphics* pGraphics,
+                                          const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground param;
+  param.m_pGraphics = pGraphics;
+  param.m_iPart = FWL_PART_CMB_StretcgHandler;
+  param.m_dwStates = FWL_PARTSTATE_CMB_Normal;
+  param.m_pWidget = m_pInterface;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  param.m_rtPart = m_rtHandler;
+  m_pProperties->m_pThemeProvider->DrawBackground(&param);
+}
+void CFWL_ComboBoxImp::ShowDropList(FX_BOOL bActivate) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_ShowDropList(bActivate);
+  }
+  FX_BOOL bDropList = IsDropListShowed();
+  if (bDropList == bActivate) {
+    return;
+  }
+  if (!m_pForm) {
+    InitProxyForm();
+  }
+  m_pListProxyDelegate->Reset();
+  if (bActivate) {
+    static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+        ->ChangeSelected(m_iCurSel);
+    ReSetListItemAlignment();
+    FX_DWORD dwStyleAdd = m_pProperties->m_dwStyleExes &
+                          (FWL_STYLEEXT_CMB_Sort | FWL_STYLEEXT_CMB_OwnerDraw);
+    m_pListBox->ModifyStylesEx(dwStyleAdd, 0);
+    m_pListBox->GetWidgetRect(m_rtList, TRUE);
+    FX_FLOAT fHeight = GetListHeight();
+    if (fHeight > 0) {
+      if (m_rtList.height > GetListHeight()) {
+        m_rtList.height = GetListHeight();
+        m_pListBox->ModifyStyles(FWL_WGTSTYLE_VScroll, 0);
+      }
+    }
+    CFX_RectF rtAnchor;
+    rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width,
+                 m_pProperties->m_rtWidget.height);
+    FX_FLOAT fMinHeight = 0;
+    if (m_rtList.width < m_rtClient.width) {
+      m_rtList.width = m_rtClient.width;
+    }
+    m_rtProxy = m_rtList;
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) {
+      m_rtProxy.height += m_fComboFormHandler;
+    }
+    GetPopupPos(fMinHeight, m_rtProxy.height, rtAnchor, m_rtProxy);
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_ListDrag) {
+      FX_FLOAT fx = 0;
+      FX_FLOAT fy = m_rtClient.top + m_rtClient.height / 2;
+      TransformTo(NULL, fx, fy);
+      m_bUpFormHandler = fy > m_rtProxy.top;
+      if (m_bUpFormHandler) {
+        m_rtHandler.Set(0, 0, m_rtList.width, m_fComboFormHandler);
+        m_rtList.top = m_fComboFormHandler;
+      } else {
+        m_rtHandler.Set(0, m_rtList.height, m_rtList.width,
+                        m_fComboFormHandler);
+      }
+    }
+    m_pForm->SetWidgetRect(m_rtProxy);
+    m_pForm->Update();
+    m_pListBox->SetWidgetRect(m_rtList);
+    m_pListBox->Update();
+    CFWL_EvtCmbPreDropDown ev;
+    ev.m_pSrcTarget = m_pInterface;
+    DispatchEvent(&ev);
+    m_fItemHeight =
+        static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())->m_fItemHeight;
+    static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())->SetFocus(TRUE);
+    m_pForm->DoModal();
+    static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())->SetFocus(FALSE);
+  } else {
+    m_pForm->EndDoModal();
+    CFWL_EvtCmbCloseUp ev;
+    ev.m_pSrcTarget = m_pInterface;
+    DispatchEvent(&ev);
+    m_bLButtonDown = FALSE;
+    static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())->m_bNotifyOwner =
+        TRUE;
+    SetFocus(TRUE);
+  }
+}
+FX_BOOL CFWL_ComboBoxImp::IsDropListShowed() {
+  return m_pForm && !(m_pForm->GetStates() & FWL_WGTSTATE_Invisible);
+}
+FX_BOOL CFWL_ComboBoxImp::IsDropDownStyle() const {
+  return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_CMB_DropDown;
+}
+void CFWL_ComboBoxImp::MatchEditText() {
+  CFX_WideString wsText;
+  m_pEdit->GetText(wsText);
+  int32_t iMatch =
+      static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())->MatchItem(wsText);
+  if (iMatch != m_iCurSel) {
+    static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+        ->ChangeSelected(iMatch);
+    if (iMatch >= 0) {
+      SynchrEditText(iMatch);
+    }
+  } else if (iMatch >= 0) {
+    static_cast<CFWL_ComboEditImp*>(m_pEdit->GetImpl())->SetSelected();
+  }
+  m_iCurSel = iMatch;
+}
+void CFWL_ComboBoxImp::SynchrEditText(int32_t iListItem) {
+  CFX_WideString wsText;
+  IFWL_ComboBoxDP* pData =
+      static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+  FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iListItem);
+  static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+      ->GetItemText(hItem, wsText);
+  m_pEdit->SetText(wsText);
+  m_pEdit->Update();
+  static_cast<CFWL_ComboEditImp*>(m_pEdit->GetImpl())->SetSelected();
+}
+void CFWL_ComboBoxImp::Layout() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_Layout();
+  }
+  GetClientRect(m_rtClient);
+  FX_FLOAT* pFWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pFWidth)
+    return;
+  FX_FLOAT fBtn = *pFWidth;
+  m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn,
+              m_rtClient.height);
+  FX_BOOL bIsDropDown = IsDropDownStyle();
+  if (bIsDropDown && m_pEdit) {
+    CFX_RectF rtEdit;
+    rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn,
+               m_rtClient.height);
+    m_pEdit->SetWidgetRect(rtEdit);
+    if (m_iCurSel >= 0) {
+      CFX_WideString wsText;
+      IFWL_ComboBoxDP* pData =
+          static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+      FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel);
+      static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+          ->GetItemText(hItem, wsText);
+      m_pEdit->LockUpdate();
+      m_pEdit->SetText(wsText);
+      m_pEdit->UnlockUpdate();
+    }
+    m_pEdit->Update();
+  }
+}
+void CFWL_ComboBoxImp::ReSetTheme() {
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (!pTheme) {
+    pTheme = GetAvailableTheme();
+    m_pProperties->m_pThemeProvider = pTheme;
+  }
+  if (m_pListBox) {
+    if (!m_pListBox->GetThemeProvider() &&
+        pTheme->IsValidWidget(m_pListBox.get())) {
+      m_pListBox->SetThemeProvider(pTheme);
+    }
+  }
+  if (m_pEdit) {
+    if (!m_pEdit->GetThemeProvider() && pTheme->IsValidWidget(m_pEdit.get())) {
+      m_pEdit->SetThemeProvider(pTheme);
+    }
+  }
+}
+void CFWL_ComboBoxImp::ReSetEditAlignment() {
+  if (!m_pEdit)
+    return;
+  FX_DWORD dwStylExes = m_pProperties->m_dwStyleExes;
+  FX_DWORD dwAdd = 0;
+  switch (dwStylExes & FWL_STYLEEXT_CMB_EditHAlignMask) {
+    case FWL_STYLEEXT_CMB_EditHCenter: {
+      dwAdd |= FWL_STYLEEXT_EDT_HCenter;
+      break;
+    }
+    case FWL_STYLEEXT_CMB_EditHFar: {
+      dwAdd |= FWL_STYLEEXT_EDT_HFar;
+      break;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; }
+  }
+  switch (dwStylExes & FWL_STYLEEXT_CMB_EditVAlignMask) {
+    case FWL_STYLEEXT_CMB_EditVCenter: {
+      dwAdd |= FWL_STYLEEXT_EDT_VCenter;
+      break;
+    }
+    case FWL_STYLEEXT_CMB_EditVFar: {
+      dwAdd |= FWL_STYLEEXT_EDT_VFar;
+      break;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_EDT_VNear; }
+  }
+  if (dwStylExes & FWL_STYLEEXT_CMB_EditJustified) {
+    dwAdd |= FWL_STYLEEXT_EDT_Justified;
+  }
+  if (dwStylExes & FWL_STYLEEXT_CMB_EditDistributed) {
+    dwAdd |= FWL_STYLEEXT_EDT_Distributed;
+  }
+  m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask |
+                                     FWL_STYLEEXT_EDT_HAlignModeMask |
+                                     FWL_STYLEEXT_EDT_VAlignMask);
+}
+void CFWL_ComboBoxImp::ReSetListItemAlignment() {
+  if (!m_pListBox)
+    return;
+  FX_DWORD dwStylExes = m_pProperties->m_dwStyleExes;
+  FX_DWORD dwAdd = 0;
+  switch (dwStylExes & FWL_STYLEEXT_CMB_ListItemAlignMask) {
+    case FWL_STYLEEXT_CMB_ListItemCenterAlign: {
+      dwAdd |= FWL_STYLEEXT_LTB_CenterAlign;
+    }
+    case FWL_STYLEEXT_CMB_ListItemRightAlign: {
+      dwAdd |= FWL_STYLEEXT_LTB_RightAlign;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_LTB_LeftAlign; }
+  }
+  m_pListBox->ModifyStylesEx(dwAdd, FWL_STYLEEXT_CMB_ListItemAlignMask);
+}
+void CFWL_ComboBoxImp::ProcessSelChanged(FX_BOOL bLButtonUp) {
+  IFWL_ComboBoxDP* pDatas =
+      static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+  m_iCurSel = pDatas->GetItemIndex(m_pInterface, m_pListBox->GetSelItem(0));
+  FX_BOOL bDropDown = IsDropDownStyle();
+  if (bDropDown) {
+    IFWL_ComboBoxDP* pData =
+        static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel);
+    if (hItem) {
+      CFX_WideString wsText;
+      pData->GetItemText(m_pInterface, hItem, wsText);
+      if (m_pEdit) {
+        m_pEdit->SetText(wsText);
+        m_pEdit->Update();
+        static_cast<CFWL_ComboEditImp*>(m_pEdit->GetImpl())->SetSelected();
+      }
+      CFWL_EvtCmbSelChanged ev;
+      ev.bLButtonUp = bLButtonUp;
+      ev.m_pSrcTarget = m_pInterface;
+      ev.iArraySels.Add(m_iCurSel);
+      DispatchEvent(&ev);
+    }
+  } else {
+    Repaint(&m_rtClient);
+  }
+}
+void CFWL_ComboBoxImp::InitProxyForm() {
+  if (m_pForm)
+    return;
+  if (!m_pListBox)
+    return;
+  CFWL_WidgetImpProperties propForm;
+  propForm.m_pOwner = m_pInterface;
+  propForm.m_dwStyles = FWL_WGTSTYLE_Popup;
+  propForm.m_dwStates = FWL_WGTSTATE_Invisible;
+  CFX_WideString className;
+  m_pForm = IFWL_Form::CreateFormProxy(propForm, &className, m_pListBox.get());
+  m_pForm->Initialize();
+  m_pProxy = static_cast<CFWL_FormProxyImp*>(m_pForm->GetImpl());
+  m_pListBox->SetParent(m_pForm);
+  m_pListProxyDelegate = new CFWL_ComboProxyImpDelegate(m_pForm, this);
+  m_pProxy->SetDelegate(m_pListProxyDelegate);
+}
+FWL_ERR CFWL_ComboBoxImp::DisForm_Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_WGTSTATE_Invisible;  // Ditto.
+  m_pDelegate = new CFWL_ComboBoxImpDelegate(this);
+  DisForm_InitComboList();
+  DisForm_InitComboEdit();
+  return FWL_ERR_Succeeded;
+}
+void CFWL_ComboBoxImp::DisForm_InitComboList() {
+  if (m_pListBox) {
+    return;
+  }
+  CFWL_WidgetImpProperties prop;
+  prop.m_pParent = m_pInterface;
+  prop.m_dwStyles = FWL_WGTSTYLE_Border | FWL_WGTSTYLE_VScroll;
+  prop.m_dwStates = FWL_WGTSTATE_Invisible;
+  prop.m_pDataProvider = m_pProperties->m_pDataProvider;
+  prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pListBox.reset(IFWL_ListBox::CreateComboList(prop, m_pInterface));
+  m_pListBox->Initialize();
+}
+void CFWL_ComboBoxImp::DisForm_InitComboEdit() {
+  if (m_pEdit) {
+    return;
+  }
+  CFWL_WidgetImpProperties prop;
+  prop.m_pParent = m_pInterface;
+  prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_Edit::CreateComboEdit(prop, m_pInterface));
+  m_pEdit->Initialize();
+  static_cast<CFWL_ComboEditImp*>(m_pEdit->GetImpl())->SetOuter(m_pInterface);
+}
+void CFWL_ComboBoxImp::DisForm_ShowDropList(FX_BOOL bActivate) {
+  FX_BOOL bDropList = DisForm_IsDropListShowed();
+  if (bDropList == bActivate) {
+    return;
+  }
+  if (bActivate) {
+    CFWL_EvtCmbPreDropDown preEvent;
+    preEvent.m_pSrcTarget = m_pInterface;
+    DispatchEvent(&preEvent);
+    CFWL_ComboListImp* pComboList =
+        static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl());
+    int32_t iItems = pComboList->CountItems();
+    if (iItems < 1) {
+      return;
+    }
+    ReSetListItemAlignment();
+    pComboList->ChangeSelected(m_iCurSel);
+    FX_FLOAT fItemHeight = pComboList->GetItemHeigt();
+    FX_FLOAT fBorder = GetBorderSize();
+    FX_FLOAT fPopupMin = 0.0f;
+    if (iItems > 3) {
+      fPopupMin = fItemHeight * 3 + fBorder * 2;
+    }
+    FX_FLOAT fPopupMax = fItemHeight * iItems + fBorder * 2;
+    CFX_RectF rtList;
+    rtList.left = m_rtClient.left;
+    rtList.width = m_pProperties->m_rtWidget.width;
+    rtList.top = 0;
+    rtList.height = 0;
+    GetPopupPos(fPopupMin, fPopupMax, m_pProperties->m_rtWidget, rtList);
+    m_pListBox->SetWidgetRect(rtList);
+    m_pListBox->Update();
+  } else {
+    SetFocus(TRUE);
+  }
+  m_pListBox->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
+  if (bActivate) {
+    CFWL_EvtCmbPostDropDown postEvent;
+    postEvent.m_pSrcTarget = m_pInterface;
+    DispatchEvent(&postEvent);
+  }
+  CFX_RectF rect;
+  m_pListBox->GetWidgetRect(rect);
+  rect.Inflate(2, 2);
+  Repaint(&rect);
+}
+FX_BOOL CFWL_ComboBoxImp::DisForm_IsDropListShowed() {
+  return !(m_pListBox->GetStates() & FWL_WGTSTATE_Invisible);
+}
+FWL_ERR CFWL_ComboBoxImp::DisForm_ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                                 FX_DWORD dwStylesExRemoved) {
+  if (!m_pEdit) {
+    DisForm_InitComboEdit();
+  }
+  FX_BOOL bAddDropDown = dwStylesExAdded & FWL_STYLEEXT_CMB_DropDown;
+  FX_BOOL bDelDropDown = dwStylesExRemoved & FWL_STYLEEXT_CMB_DropDown;
+  dwStylesExRemoved &= ~FWL_STYLEEXT_CMB_DropDown;
+  m_pProperties->m_dwStyleExes |= FWL_STYLEEXT_CMB_DropDown;
+  if (bAddDropDown) {
+    m_pEdit->ModifyStylesEx(0, FWL_STYLEEXT_EDT_ReadOnly);
+  } else if (bDelDropDown) {
+    m_pEdit->ModifyStylesEx(FWL_STYLEEXT_EDT_ReadOnly, 0);
+  }
+  return CFWL_WidgetImp::ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+FWL_ERR CFWL_ComboBoxImp::DisForm_Update() {
+  if (m_iLock) {
+    return FWL_ERR_Indefinite;
+  }
+  if (m_pEdit) {
+    ReSetEditAlignment();
+  }
+  ReSetTheme();
+  Layout();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ComboBoxImp::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  CFX_RectF rect;
+  rect.Set(0, 0, m_pProperties->m_rtWidget.width - m_rtBtn.width,
+           m_pProperties->m_rtWidget.height);
+  if (rect.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Edit;
+  }
+  if (m_rtBtn.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (DisForm_IsDropListShowed()) {
+    m_pListBox->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Client;
+    }
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FWL_ERR CFWL_ComboBoxImp::DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                                             const CFX_Matrix* pMatrix) {
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  CFX_Matrix mtOrg;
+  mtOrg.Set(1, 0, 0, 1, 0, 0);
+  if (pMatrix) {
+    mtOrg = *pMatrix;
+  }
+  FX_BOOL bListShowed = m_pListBox && DisForm_IsDropListShowed();
+  pGraphics->SaveGraphState();
+  pGraphics->ConcatMatrix(&mtOrg);
+  if (!m_rtBtn.IsEmpty(0.1f)) {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_CMB_DropDownButton;
+    param.m_dwStates = m_iBtnState;
+    param.m_pGraphics = pGraphics;
+    param.m_rtPart = m_rtBtn;
+    pTheme->DrawBackground(&param);
+  }
+  pGraphics->RestoreGraphState();
+  if (m_pEdit) {
+    CFX_RectF rtEdit;
+    m_pEdit->GetWidgetRect(rtEdit);
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top);
+    mt.Concat(mtOrg);
+    m_pEdit->DrawWidget(pGraphics, &mt);
+  }
+  if (bListShowed) {
+    CFX_RectF rtList;
+    m_pListBox->GetWidgetRect(rtList);
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, rtList.left, rtList.top);
+    mt.Concat(mtOrg);
+    m_pListBox->DrawWidget(pGraphics, &mt);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImp::DisForm_GetBBox(CFX_RectF& rect) {
+  rect = m_pProperties->m_rtWidget;
+  if (m_pListBox && DisForm_IsDropListShowed()) {
+    CFX_RectF rtList;
+    m_pListBox->GetWidgetRect(rtList);
+    rtList.Offset(rect.left, rect.top);
+    rect.Union(rtList);
+  }
+  return FWL_ERR_Succeeded;
+}
+void CFWL_ComboBoxImp::DisForm_Layout() {
+  GetClientRect(m_rtClient);
+  m_rtContent = m_rtClient;
+  FX_FLOAT* pFWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pFWidth)
+    return;
+  FX_FLOAT borderWidth = 0;
+  { borderWidth = FWL_PART_CMB_Border; }
+  FX_FLOAT fBtn = *pFWidth;
+  if (!(GetStylesEx() & FWL_STYLEEXT_CMB_ReadOnly)) {
+    m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top + borderWidth,
+                fBtn - borderWidth, m_rtClient.height - 2 * borderWidth);
+  }
+  CFX_RectF* pUIMargin =
+      static_cast<CFX_RectF*>(GetThemeCapacity(FWL_WGTCAPACITY_UIMargin));
+  if (pUIMargin) {
+    m_rtContent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
+                        pUIMargin->height);
+  }
+  FX_BOOL bIsDropDown = IsDropDownStyle();
+  if (bIsDropDown && m_pEdit) {
+    CFX_RectF rtEdit;
+    rtEdit.Set(m_rtContent.left, m_rtContent.top, m_rtContent.width - fBtn,
+               m_rtContent.height);
+    m_pEdit->SetWidgetRect(rtEdit);
+    if (m_iCurSel >= 0) {
+      CFX_WideString wsText;
+      IFWL_ComboBoxDP* pData =
+          static_cast<IFWL_ComboBoxDP*>(m_pProperties->m_pDataProvider);
+      FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, m_iCurSel);
+      static_cast<CFWL_ComboListImp*>(m_pListBox->GetImpl())
+          ->GetItemText(hItem, wsText);
+      m_pEdit->LockUpdate();
+      m_pEdit->SetText(wsText);
+      m_pEdit->UnlockUpdate();
+    }
+    m_pEdit->Update();
+  }
+}
+CFWL_ComboBoxImpDelegate::CFWL_ComboBoxImpDelegate(CFWL_ComboBoxImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_ComboBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnProcessMessage(pMessage);
+  }
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  FX_BOOL iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      OnKey(static_cast<CFWL_MsgKey*>(pMessage));
+      break;
+    }
+    default: { iRet = 0; }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_ComboBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  FX_DWORD dwFlag = pEvent->GetClassID();
+  if (dwFlag == FWL_EVTHASH_LTB_DrawItem) {
+    CFWL_EvtLtbDrawItem* pDrawItemEvent =
+        static_cast<CFWL_EvtLtbDrawItem*>(pEvent);
+    CFWL_EvtCmbDrawItem pTemp;
+    pTemp.m_pSrcTarget = m_pOwner->m_pInterface;
+    pTemp.m_pGraphics = pDrawItemEvent->m_pGraphics;
+    pTemp.m_index = pDrawItemEvent->m_index;
+    pTemp.m_rtItem = pDrawItemEvent->m_rect;
+    m_pOwner->DispatchEvent(&pTemp);
+  } else if (dwFlag == FWL_EVTHASH_Scroll) {
+    CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
+    CFWL_EvtScroll pScrollEv;
+    pScrollEv.m_pSrcTarget = m_pOwner->m_pInterface;
+    pScrollEv.m_iScrollCode = pScrollEvent->m_iScrollCode;
+    pScrollEv.m_fPos = pScrollEvent->m_fPos;
+    m_pOwner->DispatchEvent(&pScrollEv);
+  } else if (dwFlag == FWL_EVTHASH_EDT_TextChanged) {
+    CFWL_EvtEdtTextChanged* pTextChangedEvent =
+        static_cast<CFWL_EvtEdtTextChanged*>(pEvent);
+    CFWL_EvtCmbEditChanged pTemp;
+    pTemp.m_pSrcTarget = m_pOwner->m_pInterface;
+    pTemp.wsInsert = pTextChangedEvent->wsInsert;
+    pTemp.wsDelete = pTextChangedEvent->wsDelete;
+    pTemp.nChangeType = pTextChangedEvent->nChangeType;
+    m_pOwner->DispatchEvent(&pTemp);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                               const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_ComboBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                              FX_BOOL bSet) {
+  IFWL_Target* pDstTarget = pMsg->m_pDstTarget;
+  IFWL_Target* pSrcTarget = pMsg->m_pSrcTarget;
+  FX_BOOL bDropDown = m_pOwner->IsDropDownStyle();
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+    if (bDropDown && pSrcTarget != m_pOwner->m_pListBox.get()) {
+      if (!m_pOwner->m_pEdit)
+        return;
+      static_cast<CFWL_ComboEditImp*>(m_pOwner->m_pEdit->GetImpl())
+          ->SetSelected();
+    } else {
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+    if (bDropDown && pDstTarget != m_pOwner->m_pListBox.get()) {
+      if (!m_pOwner->m_pEdit)
+        return;
+      static_cast<CFWL_ComboEditImp*>(m_pOwner->m_pEdit->GetImpl())
+          ->FlagFocus(FALSE);
+      static_cast<CFWL_ComboEditImp*>(m_pOwner->m_pEdit->GetImpl())
+          ->ClearSelected();
+    } else {
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  }
+}
+void CFWL_ComboBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    return;
+  }
+  FX_BOOL bDropDown = m_pOwner->IsDropDownStyle();
+  CFX_RectF& rtBtn = bDropDown ? m_pOwner->m_rtBtn : m_pOwner->m_rtClient;
+  FX_BOOL bClickBtn = rtBtn.Contains(pMsg->m_fx, pMsg->m_fy);
+  if (bClickBtn) {
+    if (bDropDown && m_pOwner->m_pEdit) {
+      m_pOwner->MatchEditText();
+    }
+    m_pOwner->m_bLButtonDown = TRUE;
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Pressed;
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    m_pOwner->ShowDropList(TRUE);
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal;
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  }
+}
+void CFWL_ComboBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  m_pOwner->m_bLButtonDown = FALSE;
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Hovered;
+  } else {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_ComboBoxImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  int32_t iOldState = m_pOwner->m_iBtnState;
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iBtnState = m_pOwner->m_bLButtonDown
+                                ? FWL_PARTSTATE_CMB_Pressed
+                                : FWL_PARTSTATE_CMB_Hovered;
+  } else {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal;
+  }
+  if ((iOldState != m_pOwner->m_iBtnState) &&
+      !((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) ==
+        FWL_WGTSTATE_Disabled)) {
+    m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+  }
+}
+void CFWL_ComboBoxImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (!m_pOwner->IsDropListShowed() &&
+      !((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) ==
+        FWL_WGTSTATE_Disabled)) {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_CMB_Normal;
+    m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+  }
+}
+void CFWL_ComboBoxImpDelegate::OnKey(CFWL_MsgKey* pMsg) {
+  FX_DWORD dwKeyCode = pMsg->m_dwKeyCode;
+  if (dwKeyCode == FWL_VKEY_Tab) {
+    m_pOwner->DispatchKeyEvent(pMsg);
+    return;
+  }
+  if (pMsg->m_pDstTarget == m_pOwner->m_pInterface)
+    DoSubCtrlKey(pMsg);
+}
+void CFWL_ComboBoxImpDelegate::DoSubCtrlKey(CFWL_MsgKey* pMsg) {
+  FX_DWORD dwKeyCode = pMsg->m_dwKeyCode;
+  const bool bUp = dwKeyCode == FWL_VKEY_Up;
+  const bool bDown = dwKeyCode == FWL_VKEY_Down;
+  if (bUp || bDown) {
+    int32_t iCount =
+        static_cast<CFWL_ComboListImp*>(m_pOwner->m_pListBox->GetImpl())
+            ->CountItems();
+    if (iCount < 1) {
+      return;
+    }
+    FX_BOOL bMatchEqual = FALSE;
+    int32_t iCurSel = m_pOwner->m_iCurSel;
+    FX_BOOL bDropDown = m_pOwner->IsDropDownStyle();
+    if (bDropDown && m_pOwner->m_pEdit) {
+      CFX_WideString wsText;
+      m_pOwner->m_pEdit->GetText(wsText);
+      iCurSel = static_cast<CFWL_ComboListImp*>(m_pOwner->m_pListBox->GetImpl())
+                    ->MatchItem(wsText);
+      if (iCurSel >= 0) {
+        CFX_WideString wsTemp;
+        IFWL_ComboBoxDP* pData = static_cast<IFWL_ComboBoxDP*>(
+            m_pOwner->m_pProperties->m_pDataProvider);
+        FWL_HLISTITEM hItem = pData->GetItem(m_pOwner->m_pInterface, iCurSel);
+        static_cast<CFWL_ComboListImp*>(m_pOwner->m_pListBox->GetImpl())
+            ->GetItemText(hItem, wsTemp);
+        bMatchEqual = wsText.Equal(wsTemp);
+      }
+    }
+    if (iCurSel < 0) {
+      iCurSel = 0;
+    } else if (!bDropDown || bMatchEqual) {
+      if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) {
+        return;
+      }
+      if (bUp) {
+        iCurSel--;
+      } else {
+        iCurSel++;
+      }
+    }
+    m_pOwner->m_iCurSel = iCurSel;
+    if (bDropDown && m_pOwner->m_pEdit) {
+      m_pOwner->SynchrEditText(m_pOwner->m_iCurSel);
+    } else {
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+    return;
+  }
+  FX_BOOL bDropDown = m_pOwner->IsDropDownStyle();
+  if (bDropDown) {
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(pMsg);
+  }
+}
+int32_t CFWL_ComboBoxImpDelegate::DisForm_OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  FX_BOOL backDefault = TRUE;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      backDefault = FALSE;
+      DisForm_OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      backDefault = FALSE;
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          DisForm_OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      backDefault = FALSE;
+      CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
+      if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyUp) {
+        break;
+      }
+      if (m_pOwner->DisForm_IsDropListShowed() &&
+          pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) {
+        FX_DWORD dwKeyCode = pKey->m_dwKeyCode;
+        FX_BOOL bListKey =
+            dwKeyCode == FWL_VKEY_Up || dwKeyCode == FWL_VKEY_Down ||
+            dwKeyCode == FWL_VKEY_Return || dwKeyCode == FWL_VKEY_Escape;
+        if (bListKey) {
+          IFWL_WidgetDelegate* pDelegate =
+              m_pOwner->m_pListBox->SetDelegate(NULL);
+          pDelegate->OnProcessMessage(pMessage);
+          break;
+        }
+      }
+      DisForm_OnKey(pKey);
+      break;
+    }
+    default: {}
+  }
+  if (!backDefault) {
+    return 1;
+  }
+  return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_ComboBoxImpDelegate::DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  FX_BOOL bDropDown = m_pOwner->DisForm_IsDropListShowed();
+  CFX_RectF& rtBtn = bDropDown ? m_pOwner->m_rtBtn : m_pOwner->m_rtClient;
+  FX_BOOL bClickBtn = rtBtn.Contains(pMsg->m_fx, pMsg->m_fy);
+  if (bClickBtn) {
+    if (m_pOwner->DisForm_IsDropListShowed()) {
+      m_pOwner->DisForm_ShowDropList(FALSE);
+      return;
+    }
+    {
+      if (m_pOwner->m_pEdit) {
+        m_pOwner->MatchEditText();
+      }
+      m_pOwner->DisForm_ShowDropList(TRUE);
+    }
+  }
+}
+void CFWL_ComboBoxImpDelegate::DisForm_OnFocusChanged(CFWL_Message* pMsg,
+                                                      FX_BOOL bSet) {
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+    if ((m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) == 0) {
+      CFWL_MsgSetFocus msg;
+      msg.m_pDstTarget = m_pOwner->m_pEdit.get();
+      msg.m_pSrcTarget = NULL;
+      IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+      pDelegate->OnProcessMessage(&msg);
+    }
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+    m_pOwner->DisForm_ShowDropList(FALSE);
+    CFWL_MsgKillFocus msg;
+    msg.m_pDstTarget = NULL;
+    msg.m_pSrcTarget = m_pOwner->m_pEdit.get();
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(&msg);
+  }
+}
+void CFWL_ComboBoxImpDelegate::DisForm_OnKey(CFWL_MsgKey* pMsg) {
+  FX_DWORD dwKeyCode = pMsg->m_dwKeyCode;
+  const bool bUp = dwKeyCode == FWL_VKEY_Up;
+  const bool bDown = dwKeyCode == FWL_VKEY_Down;
+  if (bUp || bDown) {
+    CFWL_ComboListImp* pComboList =
+        static_cast<CFWL_ComboListImp*>(m_pOwner->m_pListBox->GetImpl());
+    int32_t iCount = pComboList->CountItems();
+    if (iCount < 1) {
+      return;
+    }
+    FX_BOOL bMatchEqual = FALSE;
+    int32_t iCurSel = m_pOwner->m_iCurSel;
+    if (m_pOwner->m_pEdit) {
+      CFX_WideString wsText;
+      m_pOwner->m_pEdit->GetText(wsText);
+      iCurSel = pComboList->MatchItem(wsText);
+      if (iCurSel >= 0) {
+        CFX_WideString wsTemp;
+        FWL_HLISTITEM item = m_pOwner->m_pListBox->GetSelItem(iCurSel);
+        m_pOwner->m_pListBox->GetItemText(item, wsTemp);
+        bMatchEqual = wsText.Equal(wsTemp);
+      }
+    }
+    if (iCurSel < 0) {
+      iCurSel = 0;
+    } else if (bMatchEqual) {
+      if ((bUp && iCurSel == 0) || (bDown && iCurSel == iCount - 1)) {
+        return;
+      }
+      if (bUp) {
+        iCurSel--;
+      } else {
+        iCurSel++;
+      }
+    }
+    m_pOwner->m_iCurSel = iCurSel;
+    m_pOwner->SynchrEditText(m_pOwner->m_iCurSel);
+    return;
+  }
+  if (m_pOwner->m_pEdit) {
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(pMsg);
+  }
+}
+CFWL_ComboProxyImpDelegate::CFWL_ComboProxyImpDelegate(
+    IFWL_Form* pForm,
+    CFWL_ComboBoxImp* pComboBox)
+    : m_bLButtonDown(FALSE),
+      m_bLButtonUpSelf(FALSE),
+      m_fStartPos(0),
+      m_pForm(pForm),
+      m_pComboBox(pComboBox) {}
+int32_t CFWL_ComboProxyImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  if (dwMsgCode == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    FX_DWORD dwCmd = pMsg->m_dwCmd;
+    switch (dwCmd) {
+      case FWL_MSGMOUSECMD_LButtonDown: {
+        OnLButtonDown(pMsg);
+        break;
+      }
+      case FWL_MSGMOUSECMD_LButtonUp: {
+        OnLButtonUp(pMsg);
+        break;
+      }
+      case FWL_MSGMOUSECMD_MouseMove: {
+        OnMouseMove(pMsg);
+        break;
+      }
+      default: {}
+    }
+  }
+  if (dwMsgCode == FWL_MSGHASH_Deactivate) {
+    OnDeactive(static_cast<CFWL_MsgDeactivate*>(pMessage));
+  }
+  if (dwMsgCode == FWL_MSGHASH_KillFocus || dwMsgCode == FWL_MSGHASH_SetFocus) {
+    OnFocusChanged(static_cast<CFWL_MsgKillFocus*>(pMessage),
+                   dwMsgCode == FWL_MSGHASH_SetFocus);
+  }
+  return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+FWL_ERR CFWL_ComboProxyImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                 const CFX_Matrix* pMatrix) {
+  m_pComboBox->DrawStretchHandler(pGraphics, pMatrix);
+  return FWL_ERR_Succeeded;
+}
+void CFWL_ComboProxyImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  IFWL_NoteThread* pThread = m_pForm->GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  CFX_RectF rtWidget;
+  m_pForm->GetWidgetRect(rtWidget);
+  rtWidget.left = rtWidget.top = 0;
+  if (rtWidget.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_bLButtonDown = TRUE;
+    pDriver->SetGrab(m_pForm, TRUE);
+  } else {
+    m_bLButtonDown = FALSE;
+    pDriver->SetGrab(m_pForm, FALSE);
+    m_pComboBox->ShowDropList(FALSE);
+  }
+}
+void CFWL_ComboProxyImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  m_bLButtonDown = FALSE;
+  IFWL_NoteThread* pThread = m_pForm->GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  pDriver->SetGrab(m_pForm, FALSE);
+  if (m_bLButtonUpSelf) {
+    CFX_RectF rect;
+    m_pForm->GetWidgetRect(rect);
+    rect.left = rect.top = 0;
+    if (!rect.Contains(pMsg->m_fx, pMsg->m_fy) &&
+        m_pComboBox->IsDropListShowed()) {
+      m_pComboBox->ShowDropList(FALSE);
+    }
+  } else {
+    m_bLButtonUpSelf = TRUE;
+  }
+}
+void CFWL_ComboProxyImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {}
+void CFWL_ComboProxyImpDelegate::OnDeactive(CFWL_MsgDeactivate* pMsg) {
+  m_pComboBox->ShowDropList(FALSE);
+}
+void CFWL_ComboProxyImpDelegate::OnFocusChanged(CFWL_MsgKillFocus* pMsg,
+                                                FX_BOOL bSet) {
+  if (!bSet) {
+    if (pMsg->m_pSetFocus == NULL) {
+      m_pComboBox->ShowDropList(FALSE);
+    }
+  }
+}
diff --git a/xfa/fwl/basewidget/fwl_comboboximp.h b/xfa/fwl/basewidget/fwl_comboboximp.h
new file mode 100644
index 0000000000..74f6c6354d
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_comboboximp.h
@@ -0,0 +1,237 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_COMBOBOXIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_COMBOBOXIMP_H_
+
+#include <memory>
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/fwl/basewidget/fwl_listboximp.h"
+
+class CFWL_WidgetImp;
+class CFWL_WidgetImpProperties;
+class CFWL_WidgetImpDelegate;
+class CFWL_ListBoxImp;
+class CFWL_ListBoxImpDelegate;
+class CFWL_FormProxyImp;
+class IFWL_Widget;
+class CFWL_ComboEditImp;
+class CFWL_ComboEditImpDelegate;
+class CFWL_ComboListImp;
+class CFWL_ComboListImpDelegate;
+class CFWL_ComboBoxImp;
+class CFWL_ComboBoxImpDelegate;
+class CFWL_ComboProxyImpDelegate;
+class CFWL_ComboEditImp : public CFWL_EditImp {
+ public:
+  CFWL_ComboEditImp(const CFWL_WidgetImpProperties& properties,
+                    IFWL_Widget* pOuter);
+
+  void ClearSelected();
+  void SetSelected();
+  void EndCaret();
+  void FlagFocus(FX_BOOL bSet);
+
+ protected:
+  void SetComboBoxFocus(FX_BOOL bSet);
+  CFWL_ComboBoxImp* m_pOuter;
+  friend class CFWL_ComboEditImpDelegate;
+};
+class CFWL_ComboEditImpDelegate : public CFWL_EditImpDelegate {
+ public:
+  CFWL_ComboEditImpDelegate(CFWL_ComboEditImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+
+ protected:
+  CFWL_ComboEditImp* m_pOwner;
+};
+class CFWL_ComboListImp : public CFWL_ListBoxImp {
+ public:
+  CFWL_ComboListImp(const CFWL_WidgetImpProperties& properties,
+                    IFWL_Widget* pOuter);
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  int32_t MatchItem(const CFX_WideString& wsMatch);
+  void ChangeSelected(int32_t iSel);
+  int32_t CountItems();
+  void GetItemRect(int32_t nIndex, CFX_RectF& rtItem);
+  void ClientToOuter(FX_FLOAT& fx, FX_FLOAT& fy);
+  void SetFocus(FX_BOOL bSet);
+  FX_BOOL m_bNotifyOwner;
+  friend class CFWL_ComboListImpDelegate;
+  friend class CFWL_ComboBoxImp;
+};
+class CFWL_ComboListImpDelegate : public CFWL_ListBoxImpDelegate {
+ public:
+  CFWL_ComboListImpDelegate(CFWL_ComboListImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+
+ protected:
+  void OnDropListFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  int32_t OnDropListMouseMove(CFWL_MsgMouse* pMsg);
+  int32_t OnDropListLButtonDown(CFWL_MsgMouse* pMsg);
+  int32_t OnDropListLButtonUp(CFWL_MsgMouse* pMsg);
+  int32_t OnDropListKey(CFWL_MsgKey* pKey);
+  void OnDropListKeyDown(CFWL_MsgKey* pKey);
+  CFWL_ComboListImp* m_pOwner;
+};
+class CFWL_ComboBoxImp : public CFWL_WidgetImp {
+ public:
+  CFWL_ComboBoxImp(const CFWL_WidgetImpProperties& properties,
+                   IFWL_Widget* pOuter);
+  virtual ~CFWL_ComboBoxImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                 FX_DWORD dwStylesExRemoved);
+  virtual FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
+  virtual FWL_ERR Update();
+  virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
+  virtual int32_t GetCurSel();
+  virtual FWL_ERR SetCurSel(int32_t iSel);
+  virtual FWL_ERR SetEditText(const CFX_WideString& wsText);
+  virtual int32_t GetEditTextLength() const;
+  virtual FWL_ERR GetEditText(CFX_WideString& wsText,
+                              int32_t nStart = 0,
+                              int32_t nCount = -1) const;
+  virtual FWL_ERR SetEditSelRange(int32_t nStart, int32_t nCount = -1);
+  virtual int32_t GetEditSelRange(int32_t nIndex, int32_t& nStart);
+  virtual int32_t GetEditLimit();
+  virtual FWL_ERR SetEditLimit(int32_t nLimit);
+  virtual FWL_ERR EditDoClipboard(int32_t iCmd);
+  virtual FX_BOOL EditRedo(const CFX_ByteStringC& bsRecord);
+  virtual FX_BOOL EditUndo(const CFX_ByteStringC& bsRecord);
+  virtual IFWL_ListBox* GetListBoxt();
+  virtual FX_BOOL AfterFocusShowDropList();
+  virtual FX_ERR OpenDropDownList(FX_BOOL bActivate);
+  virtual FX_BOOL EditCanUndo();
+  virtual FX_BOOL EditCanRedo();
+  virtual FX_BOOL EditUndo();
+  virtual FX_BOOL EditRedo();
+  virtual FX_BOOL EditCanCopy();
+  virtual FX_BOOL EditCanCut();
+  virtual FX_BOOL EditCanSelectAll();
+  virtual FX_BOOL EditCopy(CFX_WideString& wsCopy);
+  virtual FX_BOOL EditCut(CFX_WideString& wsCut);
+  virtual FX_BOOL EditPaste(const CFX_WideString& wsPaste);
+  virtual FX_BOOL EditSelectAll();
+  virtual FX_BOOL EditDelete();
+  virtual FX_BOOL EditDeSelect();
+  virtual FWL_ERR GetBBox(CFX_RectF& rect);
+  virtual FWL_ERR EditModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                     FX_DWORD dwStylesExRemoved);
+
+ protected:
+  void DrawStretchHandler(CFX_Graphics* pGraphics, const CFX_Matrix* pMatrix);
+  FX_FLOAT GetListHeight();
+  void ShowDropList(FX_BOOL bActivate);
+  FX_BOOL IsDropListShowed();
+  FX_BOOL IsDropDownStyle() const;
+  void MatchEditText();
+  void SynchrEditText(int32_t iListItem);
+  void Layout();
+  void ReSetTheme();
+  void ReSetEditAlignment();
+  void ReSetListItemAlignment();
+  void ProcessSelChanged(FX_BOOL bLButtonUp);
+  void InitProxyForm();
+  FWL_ERR DisForm_Initialize();
+  void DisForm_InitComboList();
+  void DisForm_InitComboEdit();
+  void DisForm_ShowDropList(FX_BOOL bActivate);
+  FX_BOOL DisForm_IsDropListShowed();
+  FWL_ERR DisForm_ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                 FX_DWORD dwStylesExRemoved);
+  FWL_ERR DisForm_Update();
+  FX_DWORD DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  FWL_ERR DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  FWL_ERR DisForm_GetBBox(CFX_RectF& rect);
+  void DisForm_Layout();
+
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtContent;
+  CFX_RectF m_rtBtn;
+  CFX_RectF m_rtList;
+  CFX_RectF m_rtProxy;
+  CFX_RectF m_rtHandler;
+  std::unique_ptr<IFWL_Edit> m_pEdit;
+  std::unique_ptr<IFWL_ListBox> m_pListBox;
+  IFWL_Form* m_pForm;
+  FX_BOOL m_bLButtonDown;
+  FX_BOOL m_bUpFormHandler;
+  int32_t m_iCurSel;
+  int32_t m_iBtnState;
+  FX_FLOAT m_fComboFormHandler;
+  FX_FLOAT m_fItemHeight;
+  FX_BOOL m_bNeedShowList;
+  CFWL_FormProxyImp* m_pProxy;
+  CFWL_ComboProxyImpDelegate* m_pListProxyDelegate;
+
+  friend class CFWL_ComboListImp;
+  friend class CFWL_ComboEditImp;
+  friend class CFWL_ComboEditImpDelegate;
+  friend class CFWL_ComboListImpDelegate;
+  friend class CFWL_ComboBoxImpDelegate;
+  friend class CFWL_ComboProxyImpDelegate;
+};
+class CFWL_ComboBoxImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ComboBoxImpDelegate(CFWL_ComboBoxImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKey(CFWL_MsgKey* pMsg);
+  void DoSubCtrlKey(CFWL_MsgKey* pMsg);
+
+ protected:
+  int32_t DisForm_OnProcessMessage(CFWL_Message* pMessage);
+  void DisForm_OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void DisForm_OnKey(CFWL_MsgKey* pMsg);
+
+ protected:
+  CFWL_ComboBoxImp* m_pOwner;
+  friend class CFWL_ComboEditImpDelegate;
+  friend class CFWL_ComboListImpDelegate;
+};
+class CFWL_ComboProxyImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ComboProxyImpDelegate(IFWL_Form* pForm, CFWL_ComboBoxImp* pComboBox);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+  void Reset() { m_bLButtonUpSelf = FALSE; }
+
+ protected:
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnDeactive(CFWL_MsgDeactivate* pMsg);
+  void OnFocusChanged(CFWL_MsgKillFocus* pMsg, FX_BOOL bSet);
+  FX_BOOL m_bLButtonDown;
+  FX_BOOL m_bLButtonUpSelf;
+  FX_FLOAT m_fStartPos;
+  IFWL_Form* m_pForm;
+  CFWL_ComboBoxImp* m_pComboBox;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_COMBOBOXIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_datetimepickerimp.cpp b/xfa/fwl/basewidget/fwl_datetimepickerimp.cpp
new file mode 100644
index 0000000000..cd82dde5ac
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_datetimepickerimp.cpp
@@ -0,0 +1,1161 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_datetimepickerimp.h"
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/fwl/basewidget/fwl_formproxyimp.h"
+#include "xfa/fwl/basewidget/fwl_monthcalendarimp.h"
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/basewidget/fwl_spinbutton.h"
+
+#define FWL_DTP_WIDTH 100
+#define FWL_DTP_HEIGHT 20
+
+// static
+IFWL_DateTimePicker* IFWL_DateTimePicker::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimePicker* pDateTimePicker = new IFWL_DateTimePicker;
+  CFWL_DateTimePickerImp* pDateTimePickerImpl =
+      new CFWL_DateTimePickerImp(properties, pOuter);
+  pDateTimePicker->SetImpl(pDateTimePickerImpl);
+  pDateTimePickerImpl->SetInterface(pDateTimePicker);
+  return pDateTimePicker;
+}
+
+// Static
+IFWL_DateTimeForm* IFWL_DateTimeForm::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimeForm* pDateTimeForm = new IFWL_DateTimeForm;
+  CFWL_FormProxyImp* pFormProxyImpl = new CFWL_FormProxyImp(properties, pOuter);
+  pDateTimeForm->SetImpl(pFormProxyImpl);
+  pFormProxyImpl->SetInterface(pDateTimeForm);
+  return pDateTimeForm;
+}
+
+// static
+IFWL_DateTimeCalender* IFWL_DateTimeCalender::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimeCalender* pDateTimeCalendar = new IFWL_DateTimeCalender;
+  CFWL_DateTimeCalendar* pDateTimeCalendarImpl =
+      new CFWL_DateTimeCalendar(properties, pOuter);
+  pDateTimeCalendar->SetImpl(pDateTimeCalendarImpl);
+  pDateTimeCalendarImpl->SetInterface(pDateTimeCalendar);
+  return pDateTimeCalendar;
+}
+
+// static
+IFWL_DateTimeEdit* IFWL_DateTimeEdit::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_DateTimeEdit* pDateTimeEdit = new IFWL_DateTimeEdit;
+  CFWL_DateTimeEdit* pDateTimeEditImpl =
+      new CFWL_DateTimeEdit(properties, pOuter);
+  pDateTimeEdit->SetImpl(pDateTimeEditImpl);
+  pDateTimeEditImpl->SetInterface(pDateTimeEdit);
+  return pDateTimeEdit;
+}
+
+IFWL_DateTimePicker::IFWL_DateTimePicker() {}
+int32_t IFWL_DateTimePicker::CountSelRanges() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetDataTimeEdit()
+      ->CountSelRanges();
+}
+int32_t IFWL_DateTimePicker::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetDataTimeEdit()
+      ->GetSelRange(nIndex, nStart);
+}
+FWL_ERR IFWL_DateTimePicker::GetCurSel(int32_t& iYear,
+                                       int32_t& iMonth,
+                                       int32_t& iDay) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetCurSel(iYear, iMonth, iDay);
+}
+FWL_ERR IFWL_DateTimePicker::SetCurSel(int32_t iYear,
+                                       int32_t iMonth,
+                                       int32_t iDay) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->SetCurSel(iYear, iMonth, iDay);
+}
+FWL_ERR IFWL_DateTimePicker::SetEditText(const CFX_WideString& wsText) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->SetEditText(wsText);
+}
+FWL_ERR IFWL_DateTimePicker::GetEditText(CFX_WideString& wsText,
+                                         int32_t nStart,
+                                         int32_t nCount) const {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->GetEditText(wsText, nStart, nCount);
+}
+FX_BOOL IFWL_DateTimePicker::CanUndo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanUndo();
+}
+FX_BOOL IFWL_DateTimePicker::CanRedo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanRedo();
+}
+FX_BOOL IFWL_DateTimePicker::Undo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Undo();
+}
+FX_BOOL IFWL_DateTimePicker::Redo() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Redo();
+}
+FX_BOOL IFWL_DateTimePicker::CanCopy() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanCopy();
+}
+FX_BOOL IFWL_DateTimePicker::CanCut() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanCut();
+}
+FX_BOOL IFWL_DateTimePicker::CanSelectAll() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->CanSelectAll();
+}
+FX_BOOL IFWL_DateTimePicker::Copy(CFX_WideString& wsCopy) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Copy(wsCopy);
+}
+FX_BOOL IFWL_DateTimePicker::Cut(CFX_WideString& wsCut) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Cut(wsCut);
+}
+FX_BOOL IFWL_DateTimePicker::Paste(const CFX_WideString& wsPaste) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Paste(wsPaste);
+}
+FX_BOOL IFWL_DateTimePicker::SelectAll() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->SelectAll();
+}
+FX_BOOL IFWL_DateTimePicker::Delete() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->Delete();
+}
+FX_BOOL IFWL_DateTimePicker::DeSelect() {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->DeSelect();
+}
+FWL_ERR IFWL_DateTimePicker::GetBBox(CFX_RectF& rect) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->GetBBox(rect);
+}
+FWL_ERR IFWL_DateTimePicker::SetEditLimit(int32_t nLimit) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())->SetEditLimit(nLimit);
+}
+FWL_ERR IFWL_DateTimePicker::ModifyEditStylesEx(FX_DWORD dwStylesExAdded,
+                                                FX_DWORD dwStylesExRemoved) {
+  return static_cast<CFWL_DateTimePickerImp*>(GetImpl())
+      ->ModifyEditStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+CFWL_DateTimeEdit::CFWL_DateTimeEdit(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter)
+    : CFWL_EditImp(properties, pOuter) {}
+FWL_ERR CFWL_DateTimeEdit::Initialize() {
+  m_pDelegate = new CFWL_DateTimeEditImpDelegate(this);
+  if (CFWL_EditImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimeEdit::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_EditImp::Finalize();
+}
+CFWL_DateTimeEditImpDelegate::CFWL_DateTimeEditImpDelegate(
+    CFWL_DateTimeEdit* pOwner)
+    : CFWL_EditImpDelegate(pOwner), m_pOwner(pOwner) {}
+int32_t CFWL_DateTimeEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnProcessMessage(pMessage);
+  }
+  FX_DWORD dwHashCode = pMessage->GetClassID();
+  if (dwHashCode == FWL_MSGHASH_SetFocus ||
+      dwHashCode == FWL_MSGHASH_KillFocus) {
+    IFWL_Widget* pOuter = m_pOwner->GetOuter();
+    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(pMessage);
+  }
+  return 1;
+}
+int32_t CFWL_DateTimeEditImpDelegate::DisForm_OnProcessMessage(
+    CFWL_Message* pMessage) {
+  FX_DWORD dwHashCode = pMessage->GetClassID();
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    if (dwHashCode == FWL_MSGHASH_Mouse) {
+      CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      if (pMouse->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown ||
+          pMouse->m_dwCmd == FWL_MSGMOUSECMD_RButtonDown) {
+        if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+          m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+        }
+        CFWL_DateTimePickerImp* pDateTime =
+            static_cast<CFWL_DateTimePickerImp*>(m_pOwner->m_pOuter->GetImpl());
+        if (pDateTime->IsMonthCalendarShowed()) {
+          CFX_RectF rtInvalidate;
+          pDateTime->GetWidgetRect(rtInvalidate);
+          pDateTime->ShowMonthCalendar(FALSE);
+          rtInvalidate.Offset(-rtInvalidate.left, -rtInvalidate.top);
+          pDateTime->Repaint(&rtInvalidate);
+        }
+      }
+    } else if (dwHashCode == FWL_MSGHASH_Key) {
+      return CFWL_EditImpDelegate::OnProcessMessage(pMessage);
+    }
+  }
+  return CFWL_EditImpDelegate::OnProcessMessage(pMessage);
+}
+CFWL_DateTimeCalendar::CFWL_DateTimeCalendar(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_MonthCalendarImp(properties, pOuter) {}
+FWL_ERR CFWL_DateTimeCalendar::Initialize() {
+  if (CFWL_MonthCalendarImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  delete m_pDelegate;
+  m_pDelegate = new CFWL_DateTimeCalendarImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimeCalendar::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_MonthCalendarImp::Finalize();
+}
+CFWL_DateTimeCalendarImpDelegate::CFWL_DateTimeCalendarImpDelegate(
+    CFWL_DateTimeCalendar* pOwner)
+    : CFWL_MonthCalendarImpDelegate(pOwner), m_pOwner(pOwner) {
+  m_bFlag = FALSE;
+}
+int32_t CFWL_DateTimeCalendarImpDelegate::OnProcessMessage(
+    CFWL_Message* pMessage) {
+  FX_DWORD dwCode = pMessage->GetClassID();
+  if (dwCode == FWL_MSGHASH_SetFocus || dwCode == FWL_MSGHASH_KillFocus) {
+    IFWL_Widget* pOuter = m_pOwner->GetOuter();
+    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(NULL);
+    return pDelegate->OnProcessMessage(pMessage);
+  } else if (dwCode == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonDown) {
+      OnLButtonDownEx(pMsg);
+      return 1;
+    } else if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonUp) {
+      OnLButtonUpEx(pMsg);
+      return 1;
+    }
+  }
+  return CFWL_MonthCalendarImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_DateTimeCalendarImpDelegate::OnLButtonDownEx(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = FWL_PARTSTATE_MCD_Pressed;
+    m_pOwner->PrevMonth();
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates |= FWL_PARTSTATE_MCD_Pressed;
+    m_pOwner->NextMonth();
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) ==
+        0) {
+      m_pOwner->JumpToToday();
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  } else {
+    IFWL_DateTimePicker* pIPicker =
+        static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+    CFWL_DateTimePickerImp* pPicker =
+        static_cast<CFWL_DateTimePickerImp*>(pIPicker->GetImpl());
+    if (pPicker->IsMonthCalendarShowed()) {
+      m_bFlag = 1;
+    }
+  }
+}
+void CFWL_DateTimeCalendarImpDelegate::OnLButtonUpEx(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnLButtonUpEx(pMsg);
+  }
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtLBtn);
+    return;
+  }
+  if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtRBtn);
+    return;
+  }
+  if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    return;
+  }
+  int32_t iOldSel = 0;
+  if (m_pOwner->m_arrSelDays.GetSize() > 0) {
+    iOldSel = m_pOwner->m_arrSelDays[0];
+  }
+  int32_t iCurSel = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+  CFX_RectF rt;
+  IFWL_DateTimePicker* pIPicker =
+      static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+  CFWL_DateTimePickerImp* pPicker =
+      static_cast<CFWL_DateTimePickerImp*>(pIPicker->GetImpl());
+  pPicker->m_pForm->GetWidgetRect(rt);
+  rt.Set(0, 0, rt.width, rt.height);
+  if (iCurSel > 0) {
+    FWL_DATEINFO* lpDatesInfo =
+        (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iCurSel - 1);
+    CFX_RectF rtInvalidate(lpDatesInfo->rect);
+    if (iOldSel > 0 && iOldSel <= m_pOwner->m_arrDates.GetSize()) {
+      lpDatesInfo = (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iOldSel - 1);
+      rtInvalidate.Union(lpDatesInfo->rect);
+    }
+    m_pOwner->AddSelDay(iCurSel);
+    if (!m_pOwner->m_pOuter)
+      return;
+    pPicker->ProcessSelChanged(m_pOwner->m_iCurYear, m_pOwner->m_iCurMonth,
+                               iCurSel);
+    pPicker->ShowMonthCalendar(FALSE);
+  } else if (m_bFlag && (!rt.Contains(pMsg->m_fx, pMsg->m_fy))) {
+    IFWL_DateTimePicker* pIPicker =
+        static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+    CFWL_DateTimePickerImp* pPicker =
+        static_cast<CFWL_DateTimePickerImp*>(pIPicker->GetImpl());
+    pPicker->ShowMonthCalendar(FALSE);
+  }
+  m_bFlag = 0;
+}
+void CFWL_DateTimeCalendarImpDelegate::OnMouseMoveEx(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+    return;
+  }
+  FX_BOOL bRepaint = FALSE;
+  CFX_RectF rtInvalidate;
+  rtInvalidate.Set(0, 0, 0, 0);
+  if (m_pOwner->m_rtDates.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    int32_t iHover = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+    bRepaint = m_pOwner->m_iHovered != iHover;
+    if (bRepaint) {
+      if (m_pOwner->m_iHovered > 0) {
+        m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+      }
+      if (iHover > 0) {
+        CFX_RectF rtDay;
+        m_pOwner->GetDayRect(iHover, rtDay);
+        if (rtInvalidate.IsEmpty()) {
+          rtInvalidate = rtDay;
+        } else {
+          rtInvalidate.Union(rtDay);
+        }
+      }
+    }
+    m_pOwner->m_iHovered = iHover;
+    CFWL_Event_DtpHoverChanged ev;
+    ev.hoverday = iHover;
+    m_pOwner->DispatchEvent(&ev);
+  } else {
+    bRepaint = m_pOwner->m_iHovered > 0;
+    if (bRepaint) {
+      m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+    }
+    m_pOwner->m_iHovered = -1;
+  }
+  if (bRepaint && !rtInvalidate.IsEmpty()) {
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+int32_t CFWL_DateTimeCalendarImpDelegate::DisForm_OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (pMessage->GetClassID() == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_LButtonUp) {
+      DisForm_OnLButtonUpEx(pMsg);
+      return 1;
+    }
+  }
+  return CFWL_MonthCalendarImpDelegate::OnProcessMessage(pMessage);
+}
+void CFWL_DateTimeCalendarImpDelegate::DisForm_OnLButtonUpEx(
+    CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = 0;
+    m_pOwner->Repaint(&(m_pOwner->m_rtLBtn));
+    return;
+  }
+  if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates = 0;
+    m_pOwner->Repaint(&(m_pOwner->m_rtRBtn));
+    return;
+  }
+  if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    return;
+  }
+  int32_t iOldSel = 0;
+  if (m_pOwner->m_arrSelDays.GetSize() > 0) {
+    iOldSel = m_pOwner->m_arrSelDays[0];
+  }
+  int32_t iCurSel = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+  if (iCurSel > 0) {
+    FWL_DATEINFO* lpDatesInfo =
+        (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iCurSel - 1);
+    CFX_RectF rtInvalidate(lpDatesInfo->rect);
+    if (iOldSel > 0 && iOldSel <= m_pOwner->m_arrDates.GetSize()) {
+      lpDatesInfo = (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iOldSel - 1);
+      rtInvalidate.Union(lpDatesInfo->rect);
+    }
+    m_pOwner->AddSelDay(iCurSel);
+    CFWL_DateTimePickerImp* pDateTime =
+        static_cast<CFWL_DateTimePickerImp*>(m_pOwner->m_pOuter->GetImpl());
+    pDateTime->ProcessSelChanged(m_pOwner->m_iCurYear, m_pOwner->m_iCurMonth,
+                                 iCurSel);
+    pDateTime->ShowMonthCalendar(FALSE);
+  }
+}
+CFWL_DateTimePickerImp::CFWL_DateTimePickerImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_iBtnState(1),
+      m_iYear(-1),
+      m_iMonth(-1),
+      m_iDay(-1),
+      m_bLBtnDown(FALSE),
+      m_pEdit(nullptr),
+      m_pMonthCal(nullptr),
+      m_pForm(nullptr) {
+  m_rtBtn.Set(0, 0, 0, 0);
+}
+CFWL_DateTimePickerImp::~CFWL_DateTimePickerImp() {}
+FWL_ERR CFWL_DateTimePickerImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_DateTimePicker;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_DateTimePickerImp::GetClassID() const {
+  return FWL_CLASSHASH_DateTimePicker;
+}
+FWL_ERR CFWL_DateTimePickerImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_DateTimePickerImpDelegate(this);
+  m_pProperties->m_dwStyleExes = FWL_STYLEEXT_DTP_ShortDateFormat;
+  CFWL_WidgetImpProperties propMonth;
+  propMonth.m_dwStyles = FWL_WGTSTYLE_Popup | FWL_WGTSTYLE_Border;
+  propMonth.m_dwStates = FWL_WGTSTATE_Invisible;
+  propMonth.m_pDataProvider = &m_MonthCalendarDP;
+  propMonth.m_pParent = m_pInterface;
+  propMonth.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pMonthCal.reset(IFWL_DateTimeCalender::Create(propMonth, m_pInterface));
+  m_pMonthCal->Initialize();
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  rtMonthCal.Set(0, 0, rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtMonthCal);
+  CFWL_WidgetImpProperties propEdit;
+  propEdit.m_pParent = m_pInterface;
+  propEdit.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_DateTimeEdit::Create(propEdit, m_pInterface));
+  m_pEdit->Initialize();
+  RegisterEventTarget(m_pMonthCal.get());
+  RegisterEventTarget(m_pEdit.get());
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::Finalize() {
+  if (m_pEdit) {
+    m_pEdit->Finalize();
+  }
+  if (m_pMonthCal) {
+    m_pMonthCal->Finalize();
+  }
+  if (m_pForm) {
+    m_pForm->Finalize();
+  }
+  UnregisterEventTarget();
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_DateTimePickerImp::GetWidgetRect(CFX_RectF& rect,
+                                              FX_BOOL bAutoSize) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_GetWidgetRect(rect, bAutoSize);
+  }
+  if (bAutoSize) {
+    rect.Set(0, 0, FWL_DTP_WIDTH, FWL_DTP_HEIGHT);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::Update() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_Update();
+  }
+  if (m_iLock) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  m_pEdit->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  GetClientRect(m_rtClient);
+  FX_FLOAT* pFWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pFWidth)
+    return FWL_ERR_Indefinite;
+  FX_FLOAT fBtn = *pFWidth;
+  m_rtBtn.Set(m_rtClient.right() - fBtn, m_rtClient.top, fBtn - 1,
+              m_rtClient.height - 1);
+  CFX_RectF rtEdit;
+  rtEdit.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width - fBtn,
+             m_rtClient.height);
+  m_pEdit->SetWidgetRect(rtEdit);
+  ReSetEditAlignment();
+  m_pEdit->Update();
+  if (!(m_pMonthCal->GetThemeProvider())) {
+    m_pMonthCal->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  }
+  if (m_pProperties->m_pDataProvider) {
+    IFWL_DateTimePickerDP* pData =
+        static_cast<IFWL_DateTimePickerDP*>(m_pProperties->m_pDataProvider);
+    pData->GetToday(m_pInterface, m_MonthCalendarDP.m_iCurYear,
+                    m_MonthCalendarDP.m_iCurMonth, m_MonthCalendarDP.m_iCurDay);
+  }
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  CFX_RectF rtPopUp;
+  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + FWL_DTP_HEIGHT,
+              rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtPopUp);
+  m_pMonthCal->Update();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_DateTimePickerImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_HitTest(fx, fy);
+  }
+  if (m_rtClient.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rect;
+    m_pMonthCal->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Client;
+    }
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FWL_ERR CFWL_DateTimePickerImp::DrawWidget(CFX_Graphics* pGraphics,
+                                           const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_DTP_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_DTP_Edge, pTheme, pMatrix);
+  }
+  if (!m_rtBtn.IsEmpty()) {
+    DrawDropDownButton(pGraphics, pTheme, pMatrix);
+  }
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_DrawWidget(pGraphics, pMatrix);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetThemeProvider(IFWL_ThemeProvider* pTP) {
+  m_pProperties->m_pThemeProvider = pTP;
+  m_pMonthCal->SetThemeProvider(pTP);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::GetCurSel(int32_t& iYear,
+                                          int32_t& iMonth,
+                                          int32_t& iDay) {
+  iYear = m_iYear;
+  iMonth = m_iMonth;
+  iDay = m_iDay;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetCurSel(int32_t iYear,
+                                          int32_t iMonth,
+                                          int32_t iDay) {
+  if (iYear <= 0 || iYear >= 3000)
+    return FWL_ERR_Indefinite;
+  if (iMonth <= 0 || iMonth >= 13)
+    return FWL_ERR_Indefinite;
+  if (iDay <= 0 || iDay >= 32)
+    return FWL_ERR_Indefinite;
+  m_iYear = iYear;
+  m_iMonth = iMonth;
+  m_iDay = iDay;
+  m_pMonthCal->SetSelect(iYear, iMonth, iDay);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetEditText(const CFX_WideString& wsText) {
+  if (!m_pEdit)
+    return FWL_ERR_Indefinite;
+  int32_t iRet = m_pEdit->SetText(wsText);
+  Repaint(&m_rtClient);
+  CFWL_Event_DtpEditChanged ev;
+  ev.m_wsText = wsText;
+  DispatchEvent(&ev);
+  return iRet;
+}
+FWL_ERR CFWL_DateTimePickerImp::GetEditText(CFX_WideString& wsText,
+                                            int32_t nStart,
+                                            int32_t nCount) const {
+  if (m_pEdit) {
+    return m_pEdit->GetText(wsText, nStart, nCount);
+  }
+  return FWL_ERR_Indefinite;
+}
+FX_BOOL CFWL_DateTimePickerImp::CanUndo() {
+  return m_pEdit->CanUndo();
+}
+FX_BOOL CFWL_DateTimePickerImp::CanRedo() {
+  return m_pEdit->CanRedo();
+}
+FX_BOOL CFWL_DateTimePickerImp::Undo() {
+  return m_pEdit->Undo();
+}
+FX_BOOL CFWL_DateTimePickerImp::Redo() {
+  return m_pEdit->Redo();
+}
+FX_BOOL CFWL_DateTimePickerImp::CanCopy() {
+  int32_t nCount = m_pEdit->CountSelRanges();
+  return nCount > 0;
+}
+FX_BOOL CFWL_DateTimePickerImp::CanCut() {
+  if (m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly) {
+    return FALSE;
+  }
+  int32_t nCount = m_pEdit->CountSelRanges();
+  return nCount > 0;
+}
+FX_BOOL CFWL_DateTimePickerImp::CanSelectAll() {
+  return m_pEdit->GetTextLength() > 0;
+}
+FX_BOOL CFWL_DateTimePickerImp::Copy(CFX_WideString& wsCopy) {
+  return m_pEdit->Copy(wsCopy);
+}
+FX_BOOL CFWL_DateTimePickerImp::Cut(CFX_WideString& wsCut) {
+  return m_pEdit->Cut(wsCut);
+}
+FX_BOOL CFWL_DateTimePickerImp::Paste(const CFX_WideString& wsPaste) {
+  return m_pEdit->Paste(wsPaste);
+}
+FX_BOOL CFWL_DateTimePickerImp::SelectAll() {
+  return m_pEdit->AddSelRange(0) == FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_DateTimePickerImp::Delete() {
+  return m_pEdit->ClearText() == FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_DateTimePickerImp::DeSelect() {
+  return m_pEdit->ClearSelections() == FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::GetBBox(CFX_RectF& rect) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_GetBBox(rect);
+  }
+  rect = m_pProperties->m_rtWidget;
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    rtMonth.Offset(m_pProperties->m_rtWidget.left,
+                   m_pProperties->m_rtWidget.top);
+    rect.Union(rtMonth);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::SetEditLimit(int32_t nLimit) {
+  return m_pEdit->SetLimit(nLimit);
+}
+FWL_ERR CFWL_DateTimePickerImp::ModifyEditStylesEx(FX_DWORD dwStylesExAdded,
+                                                   FX_DWORD dwStylesExRemoved) {
+  return m_pEdit->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+void CFWL_DateTimePickerImp::DrawDropDownButton(CFX_Graphics* pGraphics,
+                                                IFWL_ThemeProvider* pTheme,
+                                                const CFX_Matrix* pMatrix) {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_Spin) ==
+      FWL_STYLEEXT_DTP_Spin) {
+    CFWL_WidgetImpProperties prop;
+    prop.m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert;
+    prop.m_pParent = m_pInterface;
+    prop.m_rtWidget = m_rtBtn;
+    IFWL_SpinButton* pSpin = IFWL_SpinButton::Create(prop, m_pInterface);
+    pSpin->Initialize();
+  } else {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_DTP_DropDownButton;
+    param.m_dwStates = m_iBtnState;
+    param.m_pGraphics = pGraphics;
+    param.m_rtPart = m_rtBtn;
+    if (pMatrix) {
+      param.m_matrix.Concat(*pMatrix);
+    }
+    pTheme->DrawBackground(&param);
+  }
+}
+void CFWL_DateTimePickerImp::FormatDateString(int32_t iYear,
+                                              int32_t iMonth,
+                                              int32_t iDay,
+                                              CFX_WideString& wsText) {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_ShortDateFormat) ==
+      FWL_STYLEEXT_DTP_ShortDateFormat) {
+    wsText.Format(L"%d-%d-%d", iYear, iMonth, iDay);
+  } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_LongDateFormat) ==
+             FWL_STYLEEXT_DTP_LongDateFormat) {
+    wsText.Format(L"%d Year %d Month %d Day", iYear, iMonth, iDay);
+  } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_DTP_TimeFormat) ==
+             FWL_STYLEEXT_DTP_TimeFormat) {
+  }
+}
+void CFWL_DateTimePickerImp::ShowMonthCalendar(FX_BOOL bActivate) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_ShowMonthCalendar(bActivate);
+  }
+  if (IsMonthCalendarShowed() == bActivate) {
+    return;
+  }
+  if (!m_pForm) {
+    InitProxyForm();
+  }
+  if (bActivate) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    CFX_RectF rtAnchor;
+    rtAnchor.Set(0, 0, m_pProperties->m_rtWidget.width,
+                 m_pProperties->m_rtWidget.height);
+    GetPopupPos(0, rtMonth.height, rtAnchor, rtMonth);
+    m_pForm->SetWidgetRect(rtMonth);
+    rtMonth.left = rtMonth.top = 0;
+    m_pMonthCal->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
+    m_pMonthCal->SetWidgetRect(rtMonth);
+    m_pMonthCal->Update();
+    m_pForm->DoModal();
+  } else {
+    m_pForm->EndDoModal();
+  }
+}
+FX_BOOL CFWL_DateTimePickerImp::IsMonthCalendarShowed() {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_IsMonthCalendarShowed();
+  }
+  if (!m_pForm)
+    return FALSE;
+  return !(m_pForm->GetStates() & FWL_WGTSTATE_Invisible);
+}
+void CFWL_DateTimePickerImp::ReSetEditAlignment() {
+  if (!m_pEdit)
+    return;
+  FX_DWORD dwStylExes = m_pProperties->m_dwStyleExes;
+  FX_DWORD dwAdd = 0;
+  switch (dwStylExes & FWL_STYLEEXT_DTP_EditHAlignMask) {
+    case FWL_STYLEEXT_DTP_EditHCenter: {
+      dwAdd |= FWL_STYLEEXT_EDT_HCenter;
+      break;
+    }
+    case FWL_STYLEEXT_DTP_EditHFar: {
+      dwAdd |= FWL_STYLEEXT_EDT_HFar;
+      break;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_EDT_HNear; }
+  }
+  switch (dwStylExes & FWL_STYLEEXT_DTP_EditVAlignMask) {
+    case FWL_STYLEEXT_DTP_EditVCenter: {
+      dwAdd |= FWL_STYLEEXT_EDT_VCenter;
+      break;
+    }
+    case FWL_STYLEEXT_DTP_EditVFar: {
+      dwAdd |= FWL_STYLEEXT_EDT_VFar;
+      break;
+    }
+    default: { dwAdd |= FWL_STYLEEXT_EDT_VNear; }
+  }
+  if (dwStylExes & FWL_STYLEEXT_DTP_EditJustified) {
+    dwAdd |= FWL_STYLEEXT_EDT_Justified;
+  }
+  if (dwStylExes & FWL_STYLEEXT_DTP_EditDistributed) {
+    dwAdd |= FWL_STYLEEXT_EDT_Distributed;
+  }
+  m_pEdit->ModifyStylesEx(dwAdd, FWL_STYLEEXT_EDT_HAlignMask |
+                                     FWL_STYLEEXT_EDT_HAlignModeMask |
+                                     FWL_STYLEEXT_EDT_VAlignMask);
+}
+void CFWL_DateTimePickerImp::ProcessSelChanged(int32_t iYear,
+                                               int32_t iMonth,
+                                               int32_t iDay) {
+  m_iYear = iYear;
+  m_iMonth = iMonth;
+  m_iDay = iDay;
+  CFX_WideString wsText;
+  FormatDateString(m_iYear, m_iMonth, m_iDay, wsText);
+  m_pEdit->SetText(wsText);
+  m_pEdit->Update();
+  Repaint(&m_rtClient);
+  CFWL_Event_DtpSelectChanged ev;
+  ev.m_pSrcTarget = m_pInterface;
+  ev.iYear = m_iYear;
+  ev.iMonth = m_iMonth;
+  ev.iDay = m_iDay;
+  DispatchEvent(&ev);
+}
+void CFWL_DateTimePickerImp::InitProxyForm() {
+  if (m_pForm)
+    return;
+  if (!m_pMonthCal)
+    return;
+  CFWL_WidgetImpProperties propForm;
+  propForm.m_dwStyles = FWL_WGTSTYLE_Popup;
+  propForm.m_dwStates = FWL_WGTSTATE_Invisible;
+  propForm.m_pOwner = m_pInterface;
+  m_pForm.reset(IFWL_DateTimeForm::Create(propForm, m_pMonthCal.get()));
+  m_pForm->Initialize();
+  m_pMonthCal->SetParent(m_pForm.get());
+}
+IFWL_DateTimeEdit* CFWL_DateTimePickerImp::GetDataTimeEdit() {
+  return m_pEdit.get();
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_Initialize() {
+  m_pProperties->m_dwStyleExes = FWL_STYLEEXT_DTP_ShortDateFormat;
+  DisForm_InitDateTimeCalendar();
+  DisForm_InitDateTimeEdit();
+  RegisterEventTarget(m_pMonthCal.get());
+  RegisterEventTarget(m_pEdit.get());
+  return FWL_ERR_Succeeded;
+}
+void CFWL_DateTimePickerImp::DisForm_InitDateTimeCalendar() {
+  if (m_pMonthCal) {
+    return;
+  }
+  CFWL_WidgetImpProperties propMonth;
+  propMonth.m_dwStyles =
+      FWL_WGTSTYLE_Popup | FWL_WGTSTYLE_Border | FWL_WGTSTYLE_EdgeSunken;
+  propMonth.m_dwStates = FWL_WGTSTATE_Invisible;
+  propMonth.m_pParent = m_pInterface;
+  propMonth.m_pDataProvider = &m_MonthCalendarDP;
+  propMonth.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pMonthCal.reset(IFWL_DateTimeCalender::Create(propMonth, m_pInterface));
+  m_pMonthCal->Initialize();
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  rtMonthCal.Set(0, 0, rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtMonthCal);
+}
+void CFWL_DateTimePickerImp::DisForm_InitDateTimeEdit() {
+  if (m_pEdit) {
+    return;
+  }
+  CFWL_WidgetImpProperties propEdit;
+  propEdit.m_pParent = m_pInterface;
+  propEdit.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  m_pEdit.reset(IFWL_DateTimeEdit::Create(propEdit, m_pInterface));
+  m_pEdit->Initialize();
+}
+FX_BOOL CFWL_DateTimePickerImp::DisForm_IsMonthCalendarShowed() {
+  if (!m_pMonthCal)
+    return FALSE;
+  return !(m_pMonthCal->GetStates() & FWL_WGTSTATE_Invisible);
+}
+void CFWL_DateTimePickerImp::DisForm_ShowMonthCalendar(FX_BOOL bActivate) {
+  FX_BOOL bShowed = IsMonthCalendarShowed();
+  if (bShowed == bActivate) {
+    return;
+  }
+  if (bActivate) {
+    CFX_RectF rtMonthCal;
+    m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+    FX_FLOAT fPopupMin = rtMonthCal.height;
+    FX_FLOAT fPopupMax = rtMonthCal.height;
+    CFX_RectF rtAnchor(m_pProperties->m_rtWidget);
+    rtAnchor.width = rtMonthCal.width;
+    rtMonthCal.left = m_rtClient.left;
+    rtMonthCal.top = rtAnchor.Height();
+    GetPopupPos(fPopupMin, fPopupMax, rtAnchor, rtMonthCal);
+    m_pMonthCal->SetWidgetRect(rtMonthCal);
+    if (m_iYear > 0 && m_iMonth > 0 && m_iDay > 0) {
+      m_pMonthCal->SetSelect(m_iYear, m_iMonth, m_iDay);
+    }
+    m_pMonthCal->Update();
+  }
+  m_pMonthCal->SetStates(FWL_WGTSTATE_Invisible, !bActivate);
+  if (bActivate) {
+    CFWL_MsgSetFocus msg;
+    msg.m_pDstTarget = m_pMonthCal.get();
+    msg.m_pSrcTarget = m_pEdit.get();
+    IFWL_WidgetDelegate* pDelegate = m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(&msg);
+  }
+  CFX_RectF rtInvalidate, rtCal;
+  rtInvalidate.Set(0, 0, m_pProperties->m_rtWidget.width,
+                   m_pProperties->m_rtWidget.height);
+  m_pMonthCal->GetWidgetRect(rtCal);
+  rtInvalidate.Union(rtCal);
+  rtInvalidate.Inflate(2, 2);
+  Repaint(&rtInvalidate);
+}
+FX_DWORD CFWL_DateTimePickerImp::DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  CFX_RectF rect;
+  rect.Set(0, 0, m_pProperties->m_rtWidget.width,
+           m_pProperties->m_rtWidget.height);
+  if (rect.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Edit;
+  }
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  if (rect.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (IsMonthCalendarShowed()) {
+    m_pMonthCal->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Client;
+    }
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FX_BOOL CFWL_DateTimePickerImp::DisForm_IsNeedShowButton() {
+  FX_BOOL bFocus = m_pProperties->m_dwStates & FWL_WGTSTATE_Focused ||
+                   m_pMonthCal->GetStates() & FWL_WGTSTATE_Focused ||
+                   m_pEdit->GetStates() & FWL_WGTSTATE_Focused;
+  return bFocus;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_Update() {
+  if (m_iLock) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  m_pEdit->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  GetClientRect(m_rtClient);
+  m_pEdit->SetWidgetRect(m_rtClient);
+  ReSetEditAlignment();
+  m_pEdit->Update();
+  if (m_pMonthCal->GetThemeProvider() == NULL) {
+    m_pMonthCal->SetThemeProvider(m_pProperties->m_pThemeProvider);
+  }
+  if (m_pProperties->m_pDataProvider) {
+    IFWL_DateTimePickerDP* pData =
+        static_cast<IFWL_DateTimePickerDP*>(m_pProperties->m_pDataProvider);
+    pData->GetToday(m_pInterface, m_MonthCalendarDP.m_iCurYear,
+                    m_MonthCalendarDP.m_iCurMonth, m_MonthCalendarDP.m_iCurDay);
+  }
+  FX_FLOAT* pWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pWidth)
+    return 0;
+  m_fBtn = *pWidth;
+  CFX_RectF rtMonthCal;
+  m_pMonthCal->GetWidgetRect(rtMonthCal, TRUE);
+  CFX_RectF rtPopUp;
+  rtPopUp.Set(rtMonthCal.left, rtMonthCal.top + FWL_DTP_HEIGHT,
+              rtMonthCal.width, rtMonthCal.height);
+  m_pMonthCal->SetWidgetRect(rtPopUp);
+  m_pMonthCal->Update();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_GetWidgetRect(CFX_RectF& rect,
+                                                      FX_BOOL bAutoSize) {
+  rect = m_pProperties->m_rtWidget;
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_GetBBox(CFX_RectF& rect) {
+  rect = m_pProperties->m_rtWidget;
+  if (DisForm_IsNeedShowButton()) {
+    rect.width += m_fBtn;
+  }
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    rtMonth.Offset(m_pProperties->m_rtWidget.left,
+                   m_pProperties->m_rtWidget.top);
+    rect.Union(rtMonth);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePickerImp::DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                                                   const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (m_pEdit) {
+    CFX_RectF rtEdit;
+    m_pEdit->GetWidgetRect(rtEdit);
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, rtEdit.left, rtEdit.top);
+    if (pMatrix) {
+      mt.Concat(*pMatrix);
+    }
+    m_pEdit->DrawWidget(pGraphics, &mt);
+  }
+  if (IsMonthCalendarShowed()) {
+    CFX_RectF rtMonth;
+    m_pMonthCal->GetWidgetRect(rtMonth);
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, rtMonth.left, rtMonth.top);
+    if (pMatrix) {
+      mt.Concat(*pMatrix);
+    }
+    m_pMonthCal->DrawWidget(pGraphics, &mt);
+  }
+  return FWL_ERR_Succeeded;
+}
+CFWL_DateTimePickerImpDelegate::CFWL_DateTimePickerImpDelegate(
+    CFWL_DateTimePickerImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_DateTimePickerImpDelegate::OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMouse->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMouse);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    default:
+      break;
+  }
+  if (dwMsgCode == FWL_MSGHASH_Key &&
+      m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    return pDelegate->OnProcessMessage(pMessage);
+  }
+  return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+FWL_ERR CFWL_DateTimePickerImpDelegate::OnDrawWidget(
+    CFX_Graphics* pGraphics,
+    const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_DateTimePickerImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                                    FX_BOOL bSet) {
+  if (!pMsg)
+    return;
+  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+    return DisForm_OnFocusChanged(pMsg, bSet);
+  }
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused);
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused);
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  }
+  if (pMsg->m_pSrcTarget == m_pOwner->m_pMonthCal.get() &&
+      m_pOwner->IsMonthCalendarShowed()) {
+    m_pOwner->ShowMonthCalendar(FALSE);
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_DateTimePickerImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    m_pOwner->SetFocus(TRUE);
+  }
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (m_pOwner->IsMonthCalendarShowed()) {
+      m_pOwner->ShowMonthCalendar(FALSE);
+      CFWL_Event_DtpCloseUp ev;
+      m_pOwner->DispatchEvent(&ev);
+    } else {
+      if (!(m_pOwner->m_pProperties->m_dwStyleExes &
+            FWL_STYLEEXT_DTP_TimeFormat)) {
+        m_pOwner->ShowMonthCalendar(TRUE);
+        CFWL_Event_DtpDropDown ev;
+        m_pOwner->DispatchEvent(&ev);
+      } else {
+      }
+      m_pOwner->m_bLBtnDown = TRUE;
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  }
+}
+void CFWL_DateTimePickerImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  m_pOwner->m_bLBtnDown = FALSE;
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Hovered;
+  } else {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_DateTimePickerImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+  } else {
+    m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_DateTimePickerImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  m_pOwner->m_iBtnState = FWL_PARTSTATE_DTP_Normal;
+  m_pOwner->Repaint(&m_pOwner->m_rtBtn);
+}
+void CFWL_DateTimePickerImpDelegate::DisForm_OnFocusChanged(CFWL_Message* pMsg,
+                                                            FX_BOOL bSet) {
+  CFX_RectF rtInvalidate(m_pOwner->m_rtBtn);
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+    if (m_pOwner->m_pEdit &&
+        !(m_pOwner->m_pEdit->GetStylesEx() & FWL_STYLEEXT_EDT_ReadOnly)) {
+      m_pOwner->m_rtBtn.Set(m_pOwner->m_pProperties->m_rtWidget.width, 0,
+                            m_pOwner->m_fBtn,
+                            m_pOwner->m_pProperties->m_rtWidget.height - 1);
+    }
+    rtInvalidate = m_pOwner->m_rtBtn;
+    pMsg->m_pDstTarget = m_pOwner->m_pEdit.get();
+    IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+    pDelegate->OnProcessMessage(pMsg);
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+    m_pOwner->m_rtBtn.Set(0, 0, 0, 0);
+    if (m_pOwner->DisForm_IsMonthCalendarShowed()) {
+      m_pOwner->ShowMonthCalendar(FALSE);
+    }
+    if (m_pOwner->m_pEdit->GetStates() & FWL_WGTSTATE_Focused) {
+      pMsg->m_pSrcTarget = m_pOwner->m_pEdit.get();
+      IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pEdit->SetDelegate(NULL);
+      pDelegate->OnProcessMessage(pMsg);
+    }
+  }
+  rtInvalidate.Inflate(2, 2);
+  m_pOwner->Repaint(&rtInvalidate);
+}
diff --git a/xfa/fwl/basewidget/fwl_datetimepickerimp.h b/xfa/fwl/basewidget/fwl_datetimepickerimp.h
new file mode 100644
index 0000000000..4c0ebc5cc5
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_datetimepickerimp.h
@@ -0,0 +1,235 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_
+
+#include <memory>
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+#include "xfa/fwl/basewidget/fwl_monthcalendarimp.h"
+#include "xfa/include/fwl/basewidget/fwl_datetimepicker.h"
+#include "xfa/include/fwl/basewidget/fwl_edit.h"
+#include "xfa/include/fwl/basewidget/fwl_monthcalendar.h"
+#include "xfa/include/fwl/core/fwl_form.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+class CFWL_WidgetImp;
+class CFWL_WidgetImpProperties;
+class CFWL_WidgetImpDelegate;
+class CFWL_DateTimeEdit;
+class CFWL_DateTimeEditImpDelegate;
+class CFWL_DateTimeCalendar;
+class CFWL_DateTimeCalendarImpDelegate;
+class CFWL_DateTimePickerImp;
+class CFWL_DateTimePickerImpDelegate;
+
+class IFWL_DateTimeForm : public IFWL_Form {
+ public:
+  static IFWL_DateTimeForm* Create(const CFWL_WidgetImpProperties& properties,
+                                   IFWL_Widget* pOuter);
+
+ protected:
+  IFWL_DateTimeForm() {}
+};
+
+class IFWL_DateTimeCalender : public IFWL_MonthCalendar {
+ public:
+  static IFWL_DateTimeCalender* Create(
+      const CFWL_WidgetImpProperties& properties,
+      IFWL_Widget* pOuter);
+
+ protected:
+  IFWL_DateTimeCalender() {}
+};
+
+class IFWL_DateTimeEdit : public IFWL_Edit {
+ public:
+  static IFWL_DateTimeEdit* Create(const CFWL_WidgetImpProperties& properties,
+                                   IFWL_Widget* pOuter);
+
+ protected:
+  IFWL_DateTimeEdit() {}
+};
+
+class CFWL_DateTimeEdit : public CFWL_EditImp {
+ public:
+  CFWL_DateTimeEdit(const CFWL_WidgetImpProperties& properties,
+                    IFWL_Widget* pOuter);
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+
+ protected:
+  friend class CFWL_DateTimeEditImpDelegate;
+};
+class CFWL_DateTimeEditImpDelegate : public CFWL_EditImpDelegate {
+ public:
+  CFWL_DateTimeEditImpDelegate(CFWL_DateTimeEdit* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+
+ private:
+  int32_t DisForm_OnProcessMessage(CFWL_Message* pMessage);
+
+ protected:
+  CFWL_DateTimeEdit* m_pOwner;
+};
+class CFWL_DateTimeCalendar : public CFWL_MonthCalendarImp {
+ public:
+  CFWL_DateTimeCalendar(const CFWL_WidgetImpProperties& properties,
+                        IFWL_Widget* pOuter);
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+
+ protected:
+  friend class CFWL_DateTimeCalendarImpDelegate;
+};
+class CFWL_DateTimeCalendarImpDelegate : public CFWL_MonthCalendarImpDelegate {
+ public:
+  CFWL_DateTimeCalendarImpDelegate(CFWL_DateTimeCalendar* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+
+  void OnLButtonDownEx(CFWL_MsgMouse* pMsg);
+  void OnLButtonUpEx(CFWL_MsgMouse* pMsg);
+  void OnMouseMoveEx(CFWL_MsgMouse* pMsg);
+
+ private:
+  int32_t DisForm_OnProcessMessage(CFWL_Message* pMessage);
+  void DisForm_OnLButtonUpEx(CFWL_MsgMouse* pMsg);
+
+ protected:
+  CFWL_DateTimeCalendar* m_pOwner;
+  FX_BOOL m_bFlag;
+};
+class CFWL_DateTimePickerImp : public CFWL_WidgetImp {
+ public:
+  CFWL_DateTimePickerImp(const CFWL_WidgetImpProperties& properties,
+                         IFWL_Widget* pOuter);
+  virtual ~CFWL_DateTimePickerImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pTP);
+  virtual FWL_ERR GetCurSel(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
+  virtual FWL_ERR SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay);
+  virtual FWL_ERR SetEditText(const CFX_WideString& wsText);
+  virtual FWL_ERR GetEditText(CFX_WideString& wsText,
+                              int32_t nStart = 0,
+                              int32_t nCount = -1) const;
+
+ public:
+  virtual FX_BOOL CanUndo();
+  virtual FX_BOOL CanRedo();
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual FX_BOOL CanCopy();
+  virtual FX_BOOL CanCut();
+  virtual FX_BOOL CanSelectAll();
+  virtual FX_BOOL Copy(CFX_WideString& wsCopy);
+  virtual FX_BOOL Cut(CFX_WideString& wsCut);
+  virtual FX_BOOL Paste(const CFX_WideString& wsPaste);
+  virtual FX_BOOL SelectAll();
+  virtual FX_BOOL Delete();
+  virtual FX_BOOL DeSelect();
+  virtual FWL_ERR GetBBox(CFX_RectF& rect);
+  virtual FWL_ERR SetEditLimit(int32_t nLimit);
+  virtual FWL_ERR ModifyEditStylesEx(FX_DWORD dwStylesExAdded,
+                                     FX_DWORD dwStylesExRemoved);
+
+ public:
+  IFWL_DateTimeEdit* GetDataTimeEdit();
+
+ protected:
+  void DrawDropDownButton(CFX_Graphics* pGraphics,
+                          IFWL_ThemeProvider* pTheme,
+                          const CFX_Matrix* pMatrix);
+  void FormatDateString(int32_t iYear,
+                        int32_t iMonth,
+                        int32_t iDay,
+                        CFX_WideString& wsText);
+  void ShowMonthCalendar(FX_BOOL bActivate);
+  FX_BOOL IsMonthCalendarShowed();
+  void ReSetEditAlignment();
+  void InitProxyForm();
+  void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay);
+
+ private:
+  FWL_ERR DisForm_Initialize();
+  void DisForm_InitDateTimeCalendar();
+  void DisForm_InitDateTimeEdit();
+  FX_BOOL DisForm_IsMonthCalendarShowed();
+  void DisForm_ShowMonthCalendar(FX_BOOL bActivate);
+  FX_DWORD DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  FX_BOOL DisForm_IsNeedShowButton();
+  FWL_ERR DisForm_Update();
+  FWL_ERR DisForm_GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  FWL_ERR DisForm_GetBBox(CFX_RectF& rect);
+  FWL_ERR DisForm_DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+
+ protected:
+  CFX_RectF m_rtBtn;
+  CFX_RectF m_rtClient;
+  int32_t m_iBtnState;
+  int32_t m_iYear;
+  int32_t m_iMonth;
+  int32_t m_iDay;
+  FX_BOOL m_bLBtnDown;
+  std::unique_ptr<IFWL_DateTimeEdit> m_pEdit;
+  std::unique_ptr<IFWL_DateTimeCalender> m_pMonthCal;
+  std::unique_ptr<IFWL_DateTimeForm> m_pForm;
+  FX_FLOAT m_fBtn;
+  class CFWL_MonthCalendarImpDP : public IFWL_MonthCalendarDP {
+   public:
+    CFWL_MonthCalendarImpDP() {
+      m_iCurYear = 2010;
+      m_iCurMonth = 3;
+      m_iCurDay = 29;
+    }
+    virtual FWL_ERR GetCaption(IFWL_Widget* pWidget,
+                               CFX_WideString& wsCaption) {
+      return FWL_ERR_Succeeded;
+    }
+    virtual int32_t GetCurDay(IFWL_Widget* pWidget) { return m_iCurDay; }
+    virtual int32_t GetCurMonth(IFWL_Widget* pWidget) { return m_iCurMonth; }
+    virtual int32_t GetCurYear(IFWL_Widget* pWidget) { return m_iCurYear; }
+    int32_t m_iCurDay;
+    int32_t m_iCurYear;
+    int32_t m_iCurMonth;
+  };
+
+  CFWL_MonthCalendarImpDP m_MonthCalendarDP;
+  friend class CFWL_DateTimeEditImpDelegate;
+  friend class CFWL_DateTimeCalendar;
+  friend class CFWL_DateTimeCalendarImpDelegate;
+  friend class CFWL_DateTimePickerImpDelegate;
+};
+class CFWL_DateTimePickerImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_DateTimePickerImpDelegate(CFWL_DateTimePickerImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+
+  CFWL_DateTimePickerImp* m_pOwner;
+
+ private:
+  void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_editimp.cpp b/xfa/fwl/basewidget/fwl_editimp.cpp
new file mode 100644
index 0000000000..6975f50787
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_editimp.cpp
@@ -0,0 +1,2152 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_editimp.h"
+
+#include <algorithm>
+#include <vector>
+
+#include "xfa/fde/fde_render.h"
+#include "xfa/fde/fde_renderdevice.h"
+#include "xfa/fee/ifde_txtedtpage.h"
+#include "xfa/fwl/basewidget/fwl_caretimp.h"
+#include "xfa/fwl/basewidget/fwl_comboboximp.h"
+#include "xfa/fwl/basewidget/fwl_scrollbarimp.h"
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/basewidget/fwl_caret.h"
+#include "xfa/include/fwl/basewidget/fwl_datetimepicker.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+// static
+IFWL_Edit* IFWL_Edit::Create(const CFWL_WidgetImpProperties& properties,
+                             IFWL_Widget* pOuter) {
+  IFWL_Edit* pEdit = new IFWL_Edit;
+  CFWL_EditImp* pEditImpl = new CFWL_EditImp(properties, pOuter);
+  pEdit->SetImpl(pEditImpl);
+  pEditImpl->SetInterface(pEdit);
+  return pEdit;
+}
+// static
+IFWL_Edit* IFWL_Edit::CreateComboEdit(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_Edit* pEdit = new IFWL_Edit;
+  CFWL_EditImp* pComboEditImpl = new CFWL_ComboEditImp(properties, pOuter);
+  pEdit->SetImpl(pComboEditImpl);
+  pComboEditImpl->SetInterface(pEdit);
+  return pEdit;
+}
+IFWL_Edit::IFWL_Edit() {}
+FWL_ERR IFWL_Edit::SetText(const CFX_WideString& wsText) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetText(wsText);
+}
+int32_t IFWL_Edit::GetTextLength() const {
+  return static_cast<CFWL_EditImp*>(GetImpl())->GetTextLength();
+}
+FWL_ERR IFWL_Edit::GetText(CFX_WideString& wsText,
+                           int32_t nStart,
+                           int32_t nCount) const {
+  return static_cast<CFWL_EditImp*>(GetImpl())->GetText(wsText, nStart, nCount);
+}
+FWL_ERR IFWL_Edit::ClearText() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->ClearText();
+}
+int32_t IFWL_Edit::GetCaretPos() const {
+  return static_cast<CFWL_EditImp*>(GetImpl())->GetCaretPos();
+}
+int32_t IFWL_Edit::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetCaretPos(nIndex, bBefore);
+}
+FWL_ERR IFWL_Edit::AddSelRange(int32_t nStart, int32_t nCount) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->AddSelRange(nStart, nCount);
+}
+int32_t IFWL_Edit::CountSelRanges() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->CountSelRanges();
+}
+int32_t IFWL_Edit::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->GetSelRange(nIndex, nStart);
+}
+FWL_ERR IFWL_Edit::ClearSelections() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->ClearSelections();
+}
+int32_t IFWL_Edit::GetLimit() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->GetLimit();
+}
+FWL_ERR IFWL_Edit::SetLimit(int32_t nLimit) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetLimit(nLimit);
+}
+FWL_ERR IFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetAliasChar(wAlias);
+}
+FWL_ERR IFWL_Edit::Insert(int32_t nStart,
+                          const FX_WCHAR* lpText,
+                          int32_t nLen) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Insert(nStart, lpText, nLen);
+}
+FWL_ERR IFWL_Edit::DeleteSelections() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->DeleteSelections();
+}
+FWL_ERR IFWL_Edit::DeleteRange(int32_t nStart, int32_t nCount) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->DeleteRange(nStart, nCount);
+}
+FWL_ERR IFWL_Edit::ReplaceSelections(const CFX_WideStringC& wsReplace) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->ReplaceSelections(wsReplace);
+}
+FWL_ERR IFWL_Edit::Replace(int32_t nStart,
+                           int32_t nLen,
+                           const CFX_WideStringC& wsReplace) {
+  return static_cast<CFWL_EditImp*>(GetImpl())
+      ->Replace(nStart, nLen, wsReplace);
+}
+FWL_ERR IFWL_Edit::DoClipboard(int32_t iCmd) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->DoClipboard(iCmd);
+}
+FX_BOOL IFWL_Edit::Copy(CFX_WideString& wsCopy) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Copy(wsCopy);
+}
+FX_BOOL IFWL_Edit::Cut(CFX_WideString& wsCut) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Cut(wsCut);
+}
+FX_BOOL IFWL_Edit::Paste(const CFX_WideString& wsPaste) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Paste(wsPaste);
+}
+FX_BOOL IFWL_Edit::Delete() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Delete();
+}
+FX_BOOL IFWL_Edit::Redo(const CFX_ByteStringC& bsRecord) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Redo(bsRecord);
+}
+FX_BOOL IFWL_Edit::Undo(const CFX_ByteStringC& bsRecord) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Undo(bsRecord);
+}
+FX_BOOL IFWL_Edit::Undo() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Undo();
+}
+FX_BOOL IFWL_Edit::Redo() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->Redo();
+}
+FX_BOOL IFWL_Edit::CanUndo() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->CanUndo();
+}
+FX_BOOL IFWL_Edit::CanRedo() {
+  return static_cast<CFWL_EditImp*>(GetImpl())->CanRedo();
+}
+FWL_ERR IFWL_Edit::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
+  return static_cast<CFWL_EditImp*>(GetImpl())
+      ->SetTabWidth(fTabWidth, bEquidistant);
+}
+FWL_ERR IFWL_Edit::SetOuter(IFWL_Widget* pOuter) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetOuter(pOuter);
+}
+FWL_ERR IFWL_Edit::SetNumberRange(int32_t iMin, int32_t iMax) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetNumberRange(iMin, iMax);
+}
+FWL_ERR IFWL_Edit::SetBackColor(FX_DWORD dwColor) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetBackgroundColor(dwColor);
+}
+FWL_ERR IFWL_Edit::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetFont(wsFont, fSize);
+}
+void IFWL_Edit::SetScrollOffset(FX_FLOAT fScrollOffset) {
+  return static_cast<CFWL_EditImp*>(GetImpl())->SetScrollOffset(fScrollOffset);
+}
+FX_BOOL IFWL_Edit::GetSuggestWords(CFX_PointF pointf,
+                                   std::vector<CFX_ByteString>& sSuggest) {
+  return static_cast<CFWL_EditImp*>(GetImpl())
+      ->GetSuggestWords(pointf, sSuggest);
+}
+FX_BOOL IFWL_Edit::ReplaceSpellCheckWord(CFX_PointF pointf,
+                                         const CFX_ByteStringC& bsReplace) {
+  return static_cast<CFWL_EditImp*>(GetImpl())
+      ->ReplaceSpellCheckWord(pointf, bsReplace);
+}
+#define FWL_EDIT_Margin 3
+CFWL_EditImp::CFWL_EditImp(const CFWL_WidgetImpProperties& properties,
+                           IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_fVAlignOffset(0.0f),
+      m_fScrollOffsetX(0.0f),
+      m_fScrollOffsetY(0.0f),
+      m_pEdtEngine(NULL),
+      m_bLButtonDown(FALSE),
+      m_nSelStart(0),
+      m_nLimit(-1),
+      m_fSpaceAbove(0),
+      m_fSpaceBelow(0),
+      m_fFontSize(0),
+      m_bSetRange(FALSE),
+      m_iMin(-1),
+      m_iMax(0xFFFFFFF),
+      m_backColor(0),
+      m_updateBackColor(FALSE),
+      m_iCurRecord(-1),
+      m_iMaxRecord(128) {
+  m_rtClient.Reset();
+  m_rtEngine.Reset();
+  m_rtStatic.Reset();
+}
+CFWL_EditImp::~CFWL_EditImp() {
+  if (m_pEdtEngine) {
+    m_pEdtEngine->Release();
+    m_pEdtEngine = NULL;
+  }
+  ClearRecord();
+}
+FWL_ERR CFWL_EditImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Edit;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_EditImp::GetClassID() const {
+  return FWL_CLASSHASH_Edit;
+}
+FWL_ERR CFWL_EditImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  if (!m_pDelegate) {
+    m_pDelegate = new CFWL_EditImpDelegate(this);
+  }
+  InitCaret();
+  if (!m_pEdtEngine) {
+    InitEngine();
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::Finalize() {
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    ShowCaret(FALSE);
+  }
+  if (m_pHorzScrollBar) {
+    m_pHorzScrollBar->Finalize();
+  }
+  if (m_pVertScrollBar) {
+    m_pVertScrollBar->Finalize();
+  }
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_EditImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    if (m_pEdtEngine) {
+      int32_t iTextLen = m_pEdtEngine->GetTextLength();
+      if (iTextLen > 0) {
+        CFX_WideString wsText;
+        m_pEdtEngine->GetText(wsText, 0);
+        CFX_SizeF sz = CalcTextSize(
+            wsText, m_pProperties->m_pThemeProvider,
+            m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine);
+        rect.Set(0, 0, sz.x, sz.y);
+      }
+    }
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
+      if (IsShowScrollBar(TRUE)) {
+        FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
+            GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+        rect.width += *pfWidth;
+        rect.width += FWL_EDIT_Margin;
+      }
+      if (IsShowScrollBar(FALSE)) {
+        FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
+            GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+        rect.height += *pfWidth;
+        rect.height += FWL_EDIT_Margin;
+      }
+    }
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) ||
+      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
+    ShowCaret(FALSE);
+  }
+  return CFWL_WidgetImp::SetStates(dwStates, bSet);
+}
+FWL_ERR CFWL_EditImp::SetWidgetRect(const CFX_RectF& rect) {
+  return CFWL_WidgetImp::SetWidgetRect(rect);
+}
+FWL_ERR CFWL_EditImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  Layout();
+  if (m_rtClient.IsEmpty()) {
+    return FWL_ERR_Indefinite;
+  }
+  UpdateEditEngine();
+  UpdateVAlignment();
+  UpdateScroll();
+  InitCaret();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_EditImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
+    if (IsShowScrollBar(TRUE)) {
+      CFX_RectF rect;
+      m_pVertScrollBar->GetWidgetRect(rect);
+      if (rect.Contains(fx, fy)) {
+        return FWL_WGTHITTEST_VScrollBar;
+      }
+    }
+    if (IsShowScrollBar(FALSE)) {
+      CFX_RectF rect;
+      m_pHorzScrollBar->GetWidgetRect(rect);
+      if (rect.Contains(fx, fy)) {
+        return FWL_WGTHITTEST_HScrollBar;
+      }
+    }
+  }
+  if (m_rtClient.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Edit;
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+#define FX_EDIT_ISLATINWORD(u)                                     \
+  (u == 0x2D || (u <= 0x005A && u >= 0x0041) ||                    \
+   (u <= 0x007A && u >= 0x0061) || (u <= 0x02AF && u >= 0x00C0) || \
+   u == 0x0027)
+static void AddSquigglyPath(CFX_Path& PathData,
+                            FX_FLOAT fStartX,
+                            FX_FLOAT fEndX,
+                            FX_FLOAT fY,
+                            FX_FLOAT fStep) {
+  PathData.MoveTo(fStartX, fY);
+  FX_FLOAT fx;
+  int32_t i;
+  for (i = 1, fx = fStartX + fStep; fx < fEndX; fx += fStep, i++) {
+    PathData.LineTo(fx, fY + (i & 1) * fStep);
+  }
+}
+void CFWL_EditImp::AddSpellCheckObj(CFX_Path& PathData,
+                                    int32_t nStart,
+                                    int32_t nCount,
+                                    FX_FLOAT fOffSetX,
+                                    FX_FLOAT fOffSetY) {
+  FX_FLOAT fStartX = 0.0f;
+  FX_FLOAT fEndX = 0.0f;
+  FX_FLOAT fY = 0.0f;
+  FX_FLOAT fStep = 0.0f;
+  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+  CFX_RectFArray rectArray;
+  CFX_RectF rectText;
+  const FDE_TXTEDTPARAMS* txtEdtParams = m_pEdtEngine->GetEditParams();
+  FX_FLOAT fAsent = (FX_FLOAT)txtEdtParams->pFont->GetAscent() *
+                    txtEdtParams->fFontSize / 1000;
+  pPage->CalcRangeRectArray(nStart, nCount, rectArray);
+  for (int i = 0; i < rectArray.GetSize(); i++) {
+    rectText = rectArray.GetAt(i);
+    fY = rectText.top + fAsent + fOffSetY;
+    fStep = txtEdtParams->fFontSize / 16.0f;
+    fStartX = rectText.left + fOffSetX;
+    fEndX = fStartX + rectText.Width();
+    AddSquigglyPath(PathData, fStartX, fEndX, fY, fStep);
+  }
+}
+int32_t CFWL_EditImp::GetWordAtPoint(CFX_PointF pointf, int32_t& nCount) {
+  return 0;
+}
+FX_BOOL CFWL_EditImp::GetSuggestWords(CFX_PointF pointf,
+                                      std::vector<CFX_ByteString>& sSuggest) {
+  int32_t nWordCount = 0;
+  int32_t nWordStart = GetWordAtPoint(pointf, nWordCount);
+  if (nWordCount < 1) {
+    return FALSE;
+  }
+  CFX_WideString wsSpell;
+  GetText(wsSpell, nWordStart, nWordCount);
+  CFX_ByteString sLatinWord;
+  for (int i = 0; i < nWordCount; i++) {
+    if (!FX_EDIT_ISLATINWORD(wsSpell[i])) {
+      break;
+    }
+    sLatinWord += (FX_CHAR)wsSpell[i];
+  }
+  if (sLatinWord.IsEmpty()) {
+    return FALSE;
+  }
+  CFWL_EvtEdtCheckWord checkWordEvent;
+  checkWordEvent.m_pSrcTarget = m_pInterface;
+  checkWordEvent.bsWord = sLatinWord;
+  checkWordEvent.bCheckWord = TRUE;
+  DispatchEvent(&checkWordEvent);
+  if (checkWordEvent.bCheckWord) {
+    return FALSE;
+  }
+  CFWL_EvtEdtGetSuggestWords suggestWordsEvent;
+  suggestWordsEvent.m_pSrcTarget = m_pInterface;
+  suggestWordsEvent.bsWord = sLatinWord;
+  suggestWordsEvent.bsArraySuggestWords = sSuggest;
+  suggestWordsEvent.bSuggestWords = FALSE;
+  DispatchEvent(&checkWordEvent);
+  return suggestWordsEvent.bSuggestWords;
+}
+FX_BOOL CFWL_EditImp::ReplaceSpellCheckWord(CFX_PointF pointf,
+                                            const CFX_ByteStringC& bsReplace) {
+  int32_t nWordCount = 0;
+  int32_t nWordStart = GetWordAtPoint(pointf, nWordCount);
+  if (nWordCount < 1) {
+    return FALSE;
+  }
+  CFX_WideString wsSpell;
+  GetText(wsSpell, nWordStart, nWordCount);
+  for (int i = 0; i < nWordCount; i++) {
+    if (!FX_EDIT_ISLATINWORD(wsSpell[i])) {
+      nWordCount = i;
+      break;
+    }
+  }
+  int32_t nDestLen = bsReplace.GetLength();
+  CFX_WideString wsDest;
+  FX_WCHAR* pBuffer = wsDest.GetBuffer(nDestLen);
+  for (int32_t i = 0; i < nDestLen; i++) {
+    pBuffer[i] = bsReplace[i];
+  }
+  wsDest.ReleaseBuffer(nDestLen);
+  Replace(nWordStart, nWordCount, wsDest);
+  return TRUE;
+}
+void CFWL_EditImp::DrawSpellCheck(CFX_Graphics* pGraphics,
+                                  const CFX_Matrix* pMatrix) {
+  pGraphics->SaveGraphState();
+  if (pMatrix) {
+    pGraphics->ConcatMatrix(const_cast<CFX_Matrix*>(pMatrix));
+  }
+  FX_ARGB cr = 0xFFFF0000;
+  CFX_Color crLine(cr);
+  CFWL_EvtEdtCheckWord checkWordEvent;
+  checkWordEvent.m_pSrcTarget = m_pInterface;
+  CFX_ByteString sLatinWord;
+  CFX_Path pathSpell;
+  pathSpell.Create();
+  int32_t nStart = 0;
+  FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
+  FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
+  CFX_WideString wsSpell;
+  GetText(wsSpell);
+  int32_t nContentLen = wsSpell.GetLength();
+  for (int i = 0; i < nContentLen; i++) {
+    if (FX_EDIT_ISLATINWORD(wsSpell[i])) {
+      if (sLatinWord.IsEmpty()) {
+        nStart = i;
+      }
+      sLatinWord += (FX_CHAR)wsSpell[i];
+    } else {
+      checkWordEvent.bsWord = sLatinWord;
+      checkWordEvent.bCheckWord = TRUE;
+      DispatchEvent(&checkWordEvent);
+      if (!sLatinWord.IsEmpty() && !checkWordEvent.bCheckWord) {
+        AddSpellCheckObj(pathSpell, nStart, sLatinWord.GetLength(), fOffSetX,
+                         fOffSetY);
+      }
+      sLatinWord.Empty();
+    }
+  }
+  checkWordEvent.bsWord = sLatinWord;
+  checkWordEvent.bCheckWord = TRUE;
+  DispatchEvent(&checkWordEvent);
+  if (!sLatinWord.IsEmpty() && !checkWordEvent.bCheckWord) {
+    AddSpellCheckObj(pathSpell, nStart, sLatinWord.GetLength(), fOffSetX,
+                     fOffSetY);
+  }
+  if (!pathSpell.IsEmpty()) {
+    CFX_RectF rtClip = m_rtEngine;
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, fOffSetX, fOffSetY);
+    if (pMatrix) {
+      pMatrix->TransformRect(rtClip);
+      mt.Concat(*pMatrix);
+    }
+    pGraphics->SetClipRect(rtClip);
+    pGraphics->SetStrokeColor(&crLine);
+    pGraphics->SetLineWidth(0);
+    pGraphics->StrokePath(&pathSpell, NULL);
+  }
+  pGraphics->RestoreGraphState();
+}
+FWL_ERR CFWL_EditImp::DrawWidget(CFX_Graphics* pGraphics,
+                                 const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  if (m_rtClient.IsEmpty()) {
+    return FWL_ERR_Indefinite;
+  }
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (!m_pWidgetMgr->IsFormDisabled()) {
+    DrawTextBk(pGraphics, pTheme, pMatrix);
+  }
+  if (m_pEdtEngine) {
+    DrawContent(pGraphics, pTheme, pMatrix);
+  }
+  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) &&
+      !(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly)) {
+    DrawSpellCheck(pGraphics, pMatrix);
+  }
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_EDT_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_EDT_Edge, pTheme, pMatrix);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  if (!pThemeProvider)
+    return FWL_ERR_Indefinite;
+  if (m_pHorzScrollBar) {
+    m_pHorzScrollBar->SetThemeProvider(pThemeProvider);
+  }
+  if (m_pVertScrollBar) {
+    m_pVertScrollBar->SetThemeProvider(pThemeProvider);
+  }
+  if (m_pCaret) {
+    m_pCaret->SetThemeProvider(pThemeProvider);
+  }
+  m_pProperties->m_pThemeProvider = pThemeProvider;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetText(const CFX_WideString& wsText) {
+  m_pEdtEngine->SetText(wsText);
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_EditImp::GetTextLength() const {
+  if (!m_pEdtEngine)
+    return -1;
+  return m_pEdtEngine->GetTextLength();
+}
+FWL_ERR CFWL_EditImp::GetText(CFX_WideString& wsText,
+                              int32_t nStart,
+                              int32_t nCount) const {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->GetText(wsText, nStart, nCount);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::ClearText() {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->ClearText();
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_EditImp::GetCaretPos() const {
+  if (!m_pEdtEngine)
+    return -1;
+  return m_pEdtEngine->GetCaretPos();
+}
+int32_t CFWL_EditImp::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) {
+  if (!m_pEdtEngine)
+    return -1;
+  return m_pEdtEngine->SetCaretPos(nIndex, bBefore);
+}
+FWL_ERR CFWL_EditImp::AddSelRange(int32_t nStart, int32_t nCount) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->AddSelRange(nStart, nCount);
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_EditImp::CountSelRanges() {
+  if (!m_pEdtEngine)
+    return 0;
+  return m_pEdtEngine->CountSelRanges();
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_EditImp::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  if (!m_pEdtEngine)
+    return -1;
+  return m_pEdtEngine->GetSelRange(nIndex, nStart);
+}
+FWL_ERR CFWL_EditImp::ClearSelections() {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->ClearSelection();
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_EditImp::GetLimit() {
+  return m_nLimit;
+}
+FWL_ERR CFWL_EditImp::SetLimit(int32_t nLimit) {
+  m_nLimit = nLimit;
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->SetLimit(nLimit);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetAliasChar(FX_WCHAR wAlias) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Indefinite;
+  m_pEdtEngine->SetAliasChar(wAlias);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::Insert(int32_t nStart,
+                             const FX_WCHAR* lpText,
+                             int32_t nLen) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
+      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
+    return FWL_ERR_Indefinite;
+  }
+  m_pEdtEngine->Insert(nStart, lpText, nLen);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::DeleteSelections() {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  int32_t iCount = m_pEdtEngine->CountSelRanges();
+  if (iCount > 0) {
+    m_pEdtEngine->Delete(-1);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::DeleteRange(int32_t nStart, int32_t nCount) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->DeleteRange(nStart, nCount);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::ReplaceSelections(const CFX_WideStringC& wsReplace) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  int32_t iCount = m_pEdtEngine->CountSelRanges();
+  for (int i = 0; i < iCount; i++) {
+    int32_t nStart;
+    int32_t nCount = m_pEdtEngine->GetSelRange(i, nStart);
+    m_pEdtEngine->Replace(nStart, nCount, wsReplace);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::Replace(int32_t nStart,
+                              int32_t nLen,
+                              const CFX_WideStringC& wsReplace) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  m_pEdtEngine->Replace(nStart, nLen, wsReplace);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::DoClipboard(int32_t iCmd) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
+      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
+    return FWL_ERR_Succeeded;
+  }
+  return FWL_ERR_Indefinite;
+}
+FX_BOOL CFWL_EditImp::Copy(CFX_WideString& wsCopy) {
+  if (!m_pEdtEngine)
+    return FALSE;
+  int32_t nCount = m_pEdtEngine->CountSelRanges();
+  if (nCount == 0) {
+    return FALSE;
+  }
+  wsCopy.Empty();
+  CFX_WideString wsTemp;
+  int32_t nStart, nLength;
+  for (int32_t i = 0; i < nCount; i++) {
+    nLength = m_pEdtEngine->GetSelRange(i, nStart);
+    m_pEdtEngine->GetText(wsTemp, nStart, nLength);
+    wsCopy += wsTemp;
+    wsTemp.Empty();
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::Cut(CFX_WideString& wsCut) {
+  if (!m_pEdtEngine)
+    return FALSE;
+  int32_t nCount = m_pEdtEngine->CountSelRanges();
+  if (nCount == 0) {
+    return FALSE;
+  }
+  wsCut.Empty();
+  CFX_WideString wsTemp;
+  int32_t nStart, nLength;
+  for (int32_t i = 0; i < nCount; i++) {
+    nLength = m_pEdtEngine->GetSelRange(i, nStart);
+    m_pEdtEngine->GetText(wsTemp, nStart, nLength);
+    wsCut += wsTemp;
+    wsTemp.Empty();
+  }
+  m_pEdtEngine->Delete(0);
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::Paste(const CFX_WideString& wsPaste) {
+  if (!m_pEdtEngine)
+    return FALSE;
+  int32_t nCaret = m_pEdtEngine->GetCaretPos();
+  int32_t iError =
+      m_pEdtEngine->Insert(nCaret, wsPaste.c_str(), wsPaste.GetLength());
+  if (iError < 0) {
+    ProcessInsertError(iError);
+    return FALSE;
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::Delete() {
+  if (!m_pEdtEngine)
+    return FALSE;
+  int32_t nCount = m_pEdtEngine->CountSelRanges();
+  if (nCount < 1) {
+    return FALSE;
+  }
+  m_pEdtEngine->Delete(0);
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::Redo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pEdtEngine)
+    return FALSE;
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo) {
+    return TRUE;
+  }
+  return m_pEdtEngine->Redo(bsRecord);
+}
+FX_BOOL CFWL_EditImp::Undo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pEdtEngine)
+    return FALSE;
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo) {
+    return TRUE;
+  }
+  return m_pEdtEngine->Undo(bsRecord);
+}
+FX_BOOL CFWL_EditImp::Undo() {
+  if (!CanUndo()) {
+    return FALSE;
+  }
+  CFX_ByteString bsRecord = m_RecordArr[m_iCurRecord--];
+  return Undo(bsRecord);
+}
+FX_BOOL CFWL_EditImp::Redo() {
+  if (!CanRedo()) {
+    return FALSE;
+  }
+  CFX_ByteString bsRecord = m_RecordArr[++m_iCurRecord];
+  return Redo(bsRecord);
+}
+FX_BOOL CFWL_EditImp::CanUndo() {
+  return m_iCurRecord >= 0;
+}
+FX_BOOL CFWL_EditImp::CanRedo() {
+  return m_iCurRecord < m_RecordArr.GetSize() - 1;
+}
+FWL_ERR CFWL_EditImp::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
+  if (!m_pEdtEngine)
+    return FWL_ERR_Succeeded;
+  FDE_LPTXTEDTPARAMS pParams =
+      (FDE_LPTXTEDTPARAMS)m_pEdtEngine->GetEditParams();
+  pParams->fTabWidth = fTabWidth;
+  pParams->bTabEquidistant = bEquidistant;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetOuter(IFWL_Widget* pOuter) {
+  m_pOuter = pOuter;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetNumberRange(int32_t iMin, int32_t iMax) {
+  m_iMin = iMin;
+  m_iMax = iMax;
+  m_bSetRange = TRUE;
+  return FWL_ERR_Succeeded;
+}
+void CFWL_EditImp::On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
+                                   int32_t nPage,
+                                   FX_BOOL bVisible) {
+  if (m_rtEngine.IsEmpty()) {
+    return;
+  }
+  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    return;
+  }
+  FX_BOOL bRepaintContent = UpdateOffset();
+  UpdateCaret();
+  CFX_RectF rtInvalid;
+  rtInvalid.Set(0, 0, 0, 0);
+  FX_BOOL bRepaintScroll = FALSE;
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
+    IFWL_ScrollBar* pScroll = UpdateScroll();
+    if (pScroll) {
+      pScroll->GetWidgetRect(rtInvalid);
+      bRepaintScroll = TRUE;
+    }
+  }
+  if (bRepaintContent || bRepaintScroll) {
+    if (bRepaintContent) {
+      rtInvalid.Union(m_rtEngine);
+    }
+    Repaint(&rtInvalid);
+  }
+}
+void CFWL_EditImp::On_TextChanged(IFDE_TxtEdtEngine* pEdit,
+                                  FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) {
+  FX_DWORD dwStyleEx = m_pProperties->m_dwStyleExes;
+  if (dwStyleEx & FWL_STYLEEXT_EDT_VAlignMask) {
+    UpdateVAlignment();
+  }
+  IFDE_TxtEdtPage* page = m_pEdtEngine->GetPage(0);
+  FX_FLOAT fContentWidth = page->GetContentsBox().width;
+  FX_FLOAT fContentHeight = page->GetContentsBox().height;
+  CFX_RectF rtTemp;
+  GetClientRect(rtTemp);
+  FX_BOOL bHSelfAdaption =
+      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption;
+  FX_BOOL bVSelfAdaption =
+      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption;
+  FX_BOOL bNeedUpdate = FALSE;
+  if (bHSelfAdaption || bVSelfAdaption) {
+    CFWL_EvtEdtPreSelfAdaption evt;
+    evt.m_pSrcTarget = m_pInterface;
+    evt.bHSelfAdaption = TRUE;
+    evt.bVSelfAdaption = TRUE;
+    FX_FLOAT fWidth;
+    FX_FLOAT fHight;
+    fWidth = bHSelfAdaption ? fContentWidth : m_pProperties->m_rtWidget.width;
+    fHight = bVSelfAdaption ? fContentHeight : m_pProperties->m_rtWidget.height;
+    evt.rtAfterChange.Set(0, 0, fWidth, fHight);
+    DispatchEvent(&evt);
+    if (!evt.bHSelfAdaption) {
+      ModifyStylesEx(
+          0, FWL_STYLEEXT_EDT_HSelfAdaption | FWL_STYLEEXT_EDT_AutoHScroll);
+    }
+    if (!evt.bVSelfAdaption) {
+      ModifyStylesEx(
+          0, FWL_STYLEEXT_EDT_VSelfAdaption | FWL_STYLEEXT_EDT_AutoVScroll);
+    }
+    bNeedUpdate = (bHSelfAdaption && !evt.bHSelfAdaption) ||
+                  (bVSelfAdaption && !evt.bVSelfAdaption);
+  }
+  FX_FLOAT fContentWidth1 = fContentWidth;
+  FX_FLOAT fContentHeight1 = fContentHeight;
+  if (bNeedUpdate) {
+    UpdateEditParams();
+    UpdateEditLayout();
+    IFDE_TxtEdtPage* page1 = m_pEdtEngine->GetPage(0);
+    fContentWidth1 = page1->GetContentsBox().width;
+    fContentHeight1 = page1->GetContentsBox().height;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption) {
+    rtTemp.width = std::max(m_pProperties->m_rtWidget.width, fContentWidth1);
+    m_pProperties->m_rtWidget.width = fContentWidth1;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption) {
+    rtTemp.height = std::max(m_pProperties->m_rtWidget.height, fContentHeight1);
+    m_pProperties->m_rtWidget.height = fContentHeight1;
+  }
+  CFWL_EvtEdtTextChanged event;
+  event.m_pSrcTarget = m_pInterface;
+  event.nChangeType = ChangeInfo.nChangeType;
+  event.wsInsert = ChangeInfo.wsInsert;
+  event.wsDelete = ChangeInfo.wsDelete;
+  event.wsPrevText = ChangeInfo.wsPrevText;
+  DispatchEvent(&event);
+  LayoutScrollBar();
+  Repaint(&rtTemp);
+}
+void CFWL_EditImp::On_SelChanged(IFDE_TxtEdtEngine* pEdit) {
+  CFX_RectF rtTemp;
+  GetClientRect(rtTemp);
+  Repaint(&rtTemp);
+}
+FX_BOOL CFWL_EditImp::On_PageLoad(IFDE_TxtEdtEngine* pEdit,
+                                  int32_t nPageIndex,
+                                  int32_t nPurpose) {
+  IFDE_TxtEdtEngine* pEdtEngine = m_pEdtEngine;
+  IFDE_TxtEdtPage* pPage = pEdtEngine->GetPage(nPageIndex);
+  if (!pPage)
+    return FALSE;
+  pPage->LoadPage(nullptr, nullptr);
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::On_PageUnload(IFDE_TxtEdtEngine* pEdit,
+                                    int32_t nPageIndex,
+                                    int32_t nPurpose) {
+  IFDE_TxtEdtEngine* pEdtEngine = m_pEdtEngine;
+  IFDE_TxtEdtPage* pPage = pEdtEngine->GetPage(nPageIndex);
+  if (!pPage)
+    return FALSE;
+  pPage->UnloadPage(nullptr);
+  return TRUE;
+}
+
+void CFWL_EditImp::On_AddDoRecord(IFDE_TxtEdtEngine* pEdit,
+                                  const CFX_ByteStringC& bsDoRecord) {
+  AddDoRecord(bsDoRecord);
+}
+
+FX_BOOL CFWL_EditImp::On_ValidateField(IFDE_TxtEdtEngine* pEdit,
+                                       int32_t nBlockIndex,
+                                       int32_t nFieldIndex,
+                                       const CFX_WideString& wsFieldText,
+                                       int32_t nCharIndex) {
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::On_ValidateBlock(IFDE_TxtEdtEngine* pEdit,
+                                       int32_t nBlockIndex) {
+  return TRUE;
+}
+FX_BOOL CFWL_EditImp::On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit,
+                                            int32_t nBlockIndex,
+                                            CFX_WideString& wsBlockText) {
+  return FALSE;
+}
+FX_BOOL CFWL_EditImp::On_Validate(IFDE_TxtEdtEngine* pEdit,
+                                  CFX_WideString& wsText) {
+  IFWL_Widget* pDst = GetOuter();
+  if (!pDst) {
+    pDst = m_pInterface;
+  }
+  CFWL_EvtEdtValidate event;
+  event.pDstWidget = pDst;
+  event.m_pSrcTarget = m_pInterface;
+  event.wsInsert = wsText;
+  event.bValidate = TRUE;
+  DispatchEvent(&event);
+  return event.bValidate;
+}
+FWL_ERR CFWL_EditImp::SetBackgroundColor(FX_DWORD color) {
+  m_backColor = color;
+  m_updateBackColor = TRUE;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImp::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
+  m_wsFont = wsFont;
+  m_fFontSize = fSize;
+  return FWL_ERR_Succeeded;
+}
+void CFWL_EditImp::SetScrollOffset(FX_FLOAT fScrollOffset) {
+  m_fScrollOffsetY = fScrollOffset;
+}
+void CFWL_EditImp::DrawTextBk(CFX_Graphics* pGraphics,
+                              IFWL_ThemeProvider* pTheme,
+                              const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_EDT_Background;
+  param.m_dwData = FWL_PARTDATA_EDT_Background;
+  param.m_dwStates = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly
+                         ? FWL_PARTSTATE_EDT_ReadOnly
+                         : FWL_PARTSTATE_EDT_Normal;
+  FX_DWORD dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled);
+  if (dwStates) {
+    param.m_dwStates = FWL_PARTSTATE_EDT_Disable;
+  }
+  param.m_pGraphics = pGraphics;
+  param.m_matrix = *pMatrix;
+  param.m_rtPart = m_rtClient;
+  pTheme->DrawBackground(&param);
+  if (!IsShowScrollBar(TRUE) || !IsShowScrollBar(FALSE)) {
+    return;
+  }
+  CFX_RectF rtScorll;
+  m_pHorzScrollBar->GetWidgetRect(rtScorll);
+  CFX_RectF rtStatic;
+  rtStatic.Set(m_rtClient.right() - rtScorll.height,
+               m_rtClient.bottom() - rtScorll.height, rtScorll.height,
+               rtScorll.height);
+  param.m_dwData = FWL_PARTDATA_EDT_StaticBackground;
+  param.m_rtPart = rtStatic;
+  pTheme->DrawBackground(&param);
+}
+void CFWL_EditImp::DrawContent(CFX_Graphics* pGraphics,
+                               IFWL_ThemeProvider* pTheme,
+                               const CFX_Matrix* pMatrix) {
+  if (!m_pEdtEngine)
+    return;
+  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return;
+  pGraphics->SaveGraphState();
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
+    pGraphics->SaveGraphState();
+  }
+  CFX_RectF rtClip = m_rtEngine;
+  FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
+  FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
+  CFX_Matrix mt;
+  mt.Set(1, 0, 0, 1, fOffSetX, fOffSetY);
+  if (pMatrix) {
+    pMatrix->TransformRect(rtClip);
+    mt.Concat(*pMatrix);
+  }
+  FX_BOOL bShowSel =
+      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoHideSel) ||
+      (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused);
+  if (bShowSel) {
+    IFWL_Widget* pForm =
+        m_pWidgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_SystemForm);
+    if (pForm) {
+      bShowSel = (pForm->GetStates() & FWL_WGTSTATE_Deactivated) !=
+                 FWL_WGTSTATE_Deactivated;
+    }
+  }
+  int32_t nSelCount = m_pEdtEngine->CountSelRanges();
+  if (bShowSel && nSelCount > 0) {
+    int32_t nPageCharStart = pPage->GetCharStart();
+    int32_t nPageCharCount = pPage->GetCharCount();
+    int32_t nPageCharEnd = nPageCharStart + nPageCharCount - 1;
+    int32_t nCharCount;
+    int32_t nCharStart;
+    CFX_RectFArray rectArr;
+    int32_t i = 0;
+    for (i = 0; i < nSelCount; i++) {
+      nCharCount = m_pEdtEngine->GetSelRange(i, nCharStart);
+      int32_t nCharEnd = nCharStart + nCharCount - 1;
+      if (nCharEnd < nPageCharStart || nCharStart > nPageCharEnd) {
+        continue;
+      }
+      int32_t nBgn = std::max(nCharStart, nPageCharStart);
+      int32_t nEnd = std::min(nCharEnd, nPageCharEnd);
+      pPage->CalcRangeRectArray(nBgn - nPageCharStart, nEnd - nBgn + 1,
+                                rectArr);
+    }
+    int32_t nCount = rectArr.GetSize();
+    CFX_Path path;
+    path.Create();
+    for (i = 0; i < nCount; i++) {
+      rectArr[i].left += fOffSetX;
+      rectArr[i].top += fOffSetY;
+      path.AddRectangle(rectArr[i].left, rectArr[i].top, rectArr[i].width,
+                        rectArr[i].height);
+    }
+    pGraphics->SetClipRect(rtClip);
+    CFWL_ThemeBackground param;
+    param.m_pGraphics = pGraphics;
+    param.m_matrix = *pMatrix;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_EDT_Background;
+    param.m_pPath = &path;
+    pTheme->DrawBackground(&param);
+  }
+  CFX_RenderDevice* pRenderDev = pGraphics->GetRenderDevice();
+  if (!pRenderDev)
+    return;
+  IFDE_RenderDevice* pRenderDevice = IFDE_RenderDevice::Create(pRenderDev);
+  if (!pRenderDevice)
+    return;
+  IFDE_RenderContext* pRenderContext = IFDE_RenderContext::Create();
+  if (!pRenderContext)
+    return;
+  pRenderDevice->SetClipRect(rtClip);
+  pRenderContext->StartRender(pRenderDevice, pPage, mt);
+  pRenderContext->DoRender(NULL);
+  pRenderContext->Release();
+  pRenderDevice->Release();
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
+    pGraphics->RestoreGraphState();
+    CFX_Path path;
+    path.Create();
+    int32_t iLimit = m_nLimit > 0 ? m_nLimit : 1;
+    FX_FLOAT fStep = m_rtEngine.width / iLimit;
+    FX_FLOAT fLeft = m_rtEngine.left + 1;
+    for (int32_t i = 1; i < iLimit; i++) {
+      fLeft += fStep;
+      path.AddLine(fLeft, m_rtClient.top, fLeft, m_rtClient.bottom());
+    }
+    CFWL_ThemeBackground param;
+    param.m_pGraphics = pGraphics;
+    param.m_matrix = *pMatrix;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_EDT_CombTextLine;
+    param.m_pPath = &path;
+    pTheme->DrawBackground(&param);
+  }
+  pGraphics->RestoreGraphState();
+}
+void CFWL_EditImp::UpdateEditEngine() {
+  UpdateEditParams();
+  UpdateEditLayout();
+  if (m_nLimit > -1) {
+    m_pEdtEngine->SetLimit(m_nLimit);
+  }
+}
+void CFWL_EditImp::UpdateEditParams() {
+  FDE_TXTEDTPARAMS params;
+  params.nHorzScale = 100;
+  params.fPlateWidth = m_rtEngine.width;
+  params.fPlateHeight = m_rtEngine.height;
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_RTLLayout) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_RTL;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VerticalLayout) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_DocVertical;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VerticalChars) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_CharVertial;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReverseLine) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_LineReserve;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ArabicShapes) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_ArabicShapes;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ExpandTab) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_ExpandTab;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_CombText;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_LastLineHeight) {
+    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_LastLineHeight;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Validate) {
+    params.dwMode |= FDE_TEXTEDITMODE_Validate;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Password) {
+    params.dwMode |= FDE_TEXTEDITMODE_Password;
+  }
+  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignMask) {
+    case FWL_STYLEEXT_EDT_HNear: {
+      params.dwAlignment |= FDE_TEXTEDITALIGN_Left;
+      break;
+    }
+    case FWL_STYLEEXT_EDT_HCenter: {
+      params.dwAlignment |= FDE_TEXTEDITALIGN_Center;
+      break;
+    }
+    case FWL_STYLEEXT_EDT_HFar: {
+      params.dwAlignment |= FDE_TEXTEDITALIGN_Right;
+      break;
+    }
+    default: {}
+  }
+  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignModeMask) {
+    case FWL_STYLEEXT_EDT_Justified: {
+      params.dwAlignment |= FDE_TEXTEDITALIGN_Justified;
+      break;
+    }
+    case FWL_STYLEEXT_EDT_Distributed: {
+      params.dwAlignment |= FDE_TEXTEDITALIGN_Distributed;
+      break;
+    }
+    default: { params.dwAlignment |= FDE_TEXTEDITALIGN_Normal; }
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
+    params.dwMode |= FDE_TEXTEDITMODE_MultiLines;
+    if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) == 0 &&
+        (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll) == 0) {
+      params.dwMode |=
+          FDE_TEXTEDITMODE_AutoLineWrap | FDE_TEXTEDITMODE_LimitArea_Horz;
+    }
+    if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) == 0 &&
+        (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoVScroll) == 0) {
+      params.dwMode |= FDE_TEXTEDITMODE_LimitArea_Vert;
+    } else {
+      params.fPlateHeight = 0x00FFFFFF;
+    }
+  } else {
+    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll) == 0) {
+      params.dwMode |= FDE_TEXTEDITMODE_LimitArea_Horz;
+    }
+  }
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
+      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
+    params.dwMode |= FDE_TEXTEDITMODE_ReadOnly;
+  }
+  FX_FLOAT* pFontSize =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_FontSize));
+  if (!pFontSize)
+    return;
+  m_fFontSize = *pFontSize;
+  FX_DWORD* pFontColor =
+      static_cast<FX_DWORD*>(GetThemeCapacity(FWL_WGTCAPACITY_TextColor));
+  if (!pFontColor)
+    return;
+  params.dwFontColor = *pFontColor;
+  FX_FLOAT* pLineHeight =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_LineHeight));
+  if (!pLineHeight)
+    return;
+  params.fLineSpace = *pLineHeight;
+  IFX_Font* pFont =
+      static_cast<IFX_Font*>(GetThemeCapacity(FWL_WGTCAPACITY_Font));
+  if (!pFont)
+    return;
+  params.pFont = pFont;
+  params.fFontSize = m_fFontSize;
+  params.nLineCount = (int32_t)(params.fPlateHeight / params.fLineSpace);
+  if (params.nLineCount <= 0) {
+    params.nLineCount = 1;
+  }
+  params.fTabWidth = params.fFontSize * 1;
+  params.bTabEquidistant = TRUE;
+  params.wLineBreakChar = L'\n';
+  params.nCharRotation = 0;
+  params.pEventSink = this;
+  m_pEdtEngine->SetEditParams(params);
+}
+
+void CFWL_EditImp::UpdateEditLayout() {
+  if (m_pEdtEngine->GetTextLength() <= 0)
+    m_pEdtEngine->SetTextByStream(nullptr);
+
+  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+  if (pPage)
+    pPage->UnloadPage(nullptr);
+
+  m_pEdtEngine->StartLayout();
+  m_pEdtEngine->DoLayout(nullptr);
+  m_pEdtEngine->EndLayout();
+  pPage = m_pEdtEngine->GetPage(0);
+  if (pPage)
+    pPage->LoadPage(nullptr, nullptr);
+}
+
+FX_BOOL CFWL_EditImp::UpdateOffset() {
+  CFX_RectF rtCaret;
+  m_pEdtEngine->GetCaretRect(rtCaret);
+  FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
+  FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
+  rtCaret.Offset(fOffSetX, fOffSetY);
+  const CFX_RectF& rtEidt = m_rtEngine;
+  if (rtEidt.Contains(rtCaret)) {
+    IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+    if (!pPage)
+      return FALSE;
+    CFX_RectF rtFDE = pPage->GetContentsBox();
+    rtFDE.Offset(fOffSetX, fOffSetY);
+    if (rtFDE.right() < rtEidt.right() && m_fScrollOffsetX > 0) {
+      m_fScrollOffsetX += rtFDE.right() - rtEidt.right();
+      if (m_fScrollOffsetX < 0) {
+        m_fScrollOffsetX = 0;
+      }
+    }
+    if (rtFDE.bottom() < rtEidt.bottom() && m_fScrollOffsetY > 0) {
+      m_fScrollOffsetY += rtFDE.bottom() - rtEidt.bottom();
+      if (m_fScrollOffsetY < 0) {
+        m_fScrollOffsetY = 0;
+      }
+    }
+    return FALSE;
+  } else {
+    FX_FLOAT offsetX = 0.0;
+    FX_FLOAT offsetY = 0.0;
+    if (rtCaret.left < rtEidt.left) {
+      offsetX = rtCaret.left - rtEidt.left;
+    }
+    if (rtCaret.right() > rtEidt.right()) {
+      offsetX = rtCaret.right() - rtEidt.right();
+    }
+    if (rtCaret.top < rtEidt.top) {
+      offsetY = rtCaret.top - rtEidt.top;
+    }
+    if (rtCaret.bottom() > rtEidt.bottom()) {
+      offsetY = rtCaret.bottom() - rtEidt.bottom();
+    }
+    if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption)) {
+      m_fScrollOffsetX += offsetX;
+    }
+    if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption)) {
+      m_fScrollOffsetY += offsetY;
+    }
+    if (m_fFontSize > m_rtEngine.height) {
+      m_fScrollOffsetY = 0;
+    }
+    return TRUE;
+  }
+}
+FX_BOOL CFWL_EditImp::UpdateOffset(IFWL_ScrollBar* pScrollBar,
+                                   FX_FLOAT fPosChanged) {
+  if (pScrollBar == m_pHorzScrollBar.get()) {
+    m_fScrollOffsetX += fPosChanged;
+  } else {
+    m_fScrollOffsetY += fPosChanged;
+  }
+  return TRUE;
+}
+void CFWL_EditImp::UpdateVAlignment() {
+  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return;
+  const CFX_RectF& rtFDE = pPage->GetContentsBox();
+  FX_FLOAT fOffsetY = 0.0f;
+  FX_FLOAT fSpaceAbove = 0.0f;
+  FX_FLOAT fSpaceBelow = 0.0f;
+  CFX_SizeF* pSpace = static_cast<CFX_SizeF*>(
+      GetThemeCapacity(FWL_WGTCAPACITY_SpaceAboveBelow));
+  if (pSpace) {
+    fSpaceAbove = pSpace->x;
+    fSpaceBelow = pSpace->y;
+  }
+  if (fSpaceAbove < 0.1f) {
+    fSpaceAbove = 0;
+  }
+  if (fSpaceBelow < 0.1f) {
+    fSpaceBelow = 0;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VCenter) {
+    fOffsetY = (m_rtEngine.height - rtFDE.height) / 2;
+    if (fOffsetY < (fSpaceAbove + fSpaceBelow) / 2 &&
+        fSpaceAbove < fSpaceBelow) {
+      return;
+    }
+    fOffsetY += (fSpaceAbove - fSpaceBelow) / 2;
+  } else if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VFar) {
+    fOffsetY = (m_rtEngine.height - rtFDE.height);
+    fOffsetY -= fSpaceBelow;
+  } else {
+    fOffsetY += fSpaceAbove;
+  }
+  m_fVAlignOffset = fOffsetY;
+  if (m_fVAlignOffset < 0) {
+    m_fVAlignOffset = 0;
+  }
+}
+void CFWL_EditImp::UpdateCaret() {
+  CFX_RectF rtFDE;
+  m_pEdtEngine->GetCaretRect(rtFDE);
+  rtFDE.Offset(m_rtEngine.left - m_fScrollOffsetX,
+               m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset);
+  CFX_RectF rtCaret;
+  rtCaret.Set(rtFDE.left, rtFDE.top, rtFDE.width, rtFDE.height);
+  CFX_RectF temp = rtCaret;
+  CFX_RectF rtClient;
+  GetClientRect(rtClient);
+  rtCaret.Intersect(rtClient);
+  if (rtCaret.left > rtClient.right()) {
+    FX_FLOAT right = rtCaret.right();
+    rtCaret.left = rtClient.right() - 1;
+    rtCaret.width = right - rtCaret.left;
+  }
+  FX_BOOL bIntersect = !rtCaret.IsEmpty();
+  FX_BOOL bShow = TRUE;
+  FX_BOOL bShowWhole = FALSE;
+  if (!(m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) || !bIntersect) {
+    bShow = FALSE;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption &&
+      temp.right() > m_rtEngine.right()) {
+    bShowWhole = TRUE;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption &&
+      temp.bottom() > m_rtEngine.bottom()) {
+    bShowWhole = TRUE;
+  } else {
+    bShow = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && bIntersect);
+  }
+  if (bShowWhole) {
+    rtCaret = temp;
+  }
+  ShowCaret(bShow, &rtCaret);
+}
+IFWL_ScrollBar* CFWL_EditImp::UpdateScroll() {
+  FX_BOOL bShowHorz =
+      m_pHorzScrollBar &&
+      ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
+  FX_BOOL bShowVert =
+      m_pVertScrollBar &&
+      ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
+  if (!bShowHorz && !bShowVert) {
+    return NULL;
+  }
+  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return NULL;
+  const CFX_RectF& rtFDE = pPage->GetContentsBox();
+  IFWL_ScrollBar* pRepaint = NULL;
+  if (bShowHorz) {
+    CFX_RectF rtScroll;
+    m_pHorzScrollBar->GetWidgetRect(rtScroll);
+    if (rtScroll.width < rtFDE.width) {
+      m_pHorzScrollBar->LockUpdate();
+      FX_FLOAT fRange = rtFDE.width - rtScroll.width;
+      m_pHorzScrollBar->SetRange(0.0f, fRange);
+      FX_FLOAT fPos = m_fScrollOffsetX;
+      if (fPos < 0.0f) {
+        fPos = 0.0f;
+      }
+      if (fPos > fRange) {
+        fPos = fRange;
+      }
+      m_pHorzScrollBar->SetPos(fPos);
+      m_pHorzScrollBar->SetTrackPos(fPos);
+      m_pHorzScrollBar->SetPageSize(rtScroll.width);
+      m_pHorzScrollBar->SetStepSize(rtScroll.width / 10);
+      m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled, FALSE);
+      m_pHorzScrollBar->UnlockUpdate();
+      m_pHorzScrollBar->Update();
+      pRepaint = m_pHorzScrollBar.get();
+    } else if ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
+      m_pHorzScrollBar->LockUpdate();
+      m_pHorzScrollBar->SetRange(0, -1);
+      m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled, TRUE);
+      m_pHorzScrollBar->UnlockUpdate();
+      m_pHorzScrollBar->Update();
+      pRepaint = m_pHorzScrollBar.get();
+    }
+  }
+  if (bShowVert) {
+    CFX_RectF rtScroll;
+    m_pVertScrollBar->GetWidgetRect(rtScroll);
+    if (rtScroll.height < rtFDE.height) {
+      m_pVertScrollBar->LockUpdate();
+      FX_FLOAT fStep = m_pEdtEngine->GetEditParams()->fLineSpace;
+      FX_FLOAT fRange = rtFDE.height - m_rtEngine.height;
+      if (fRange < fStep) {
+        fRange = fStep;
+      }
+      m_pVertScrollBar->SetRange(0.0f, fRange);
+      FX_FLOAT fPos = m_fScrollOffsetY;
+      if (fPos < 0.0f) {
+        fPos = 0.0f;
+      }
+      if (fPos > fRange) {
+        fPos = fRange;
+      }
+      m_pVertScrollBar->SetPos(fPos);
+      m_pVertScrollBar->SetTrackPos(fPos);
+      m_pVertScrollBar->SetPageSize(rtScroll.height);
+      m_pVertScrollBar->SetStepSize(fStep);
+      m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled, FALSE);
+      m_pVertScrollBar->UnlockUpdate();
+      m_pVertScrollBar->Update();
+      pRepaint = m_pVertScrollBar.get();
+    } else if ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
+      m_pVertScrollBar->LockUpdate();
+      m_pVertScrollBar->SetRange(0, -1);
+      m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled, TRUE);
+      m_pVertScrollBar->UnlockUpdate();
+      m_pVertScrollBar->Update();
+      pRepaint = m_pVertScrollBar.get();
+    }
+  }
+  return pRepaint;
+}
+FX_BOOL CFWL_EditImp::IsShowScrollBar(FX_BOOL bVert) {
+  FX_BOOL bShow =
+      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus)
+          ? (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) ==
+                FWL_WGTSTATE_Focused
+          : TRUE;
+  if (bVert) {
+    return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) &&
+           (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) &&
+           IsContentHeightOverflow();
+  }
+  return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) &&
+         (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine);
+}
+FX_BOOL CFWL_EditImp::IsContentHeightOverflow() {
+  if (!m_pEdtEngine)
+    return FALSE;
+  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return FALSE;
+  return pPage->GetContentsBox().height > m_rtEngine.height + 1.0f;
+}
+int32_t CFWL_EditImp::AddDoRecord(const CFX_ByteStringC& bsDoRecord) {
+  int32_t nCount = m_RecordArr.GetSize();
+  if (m_iCurRecord == nCount - 1) {
+    if (nCount == m_iMaxRecord) {
+      m_RecordArr.RemoveAt(0);
+      m_iCurRecord--;
+    }
+  } else {
+    for (int32_t i = nCount - 1; i > m_iCurRecord; i--) {
+      m_RecordArr.RemoveAt(i);
+    }
+  }
+  m_RecordArr.Add(bsDoRecord);
+  return m_iCurRecord = m_RecordArr.GetSize() - 1;
+}
+void CFWL_EditImp::Layout() {
+  GetClientRect(m_rtClient);
+  m_rtEngine = m_rtClient;
+  FX_FLOAT* pfWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pfWidth)
+    return;
+  FX_FLOAT fWidth = *pfWidth;
+  if (!m_pOuter) {
+    CFX_RectF* pUIMargin =
+        static_cast<CFX_RectF*>(GetThemeCapacity(FWL_WGTCAPACITY_UIMargin));
+    if (pUIMargin) {
+      m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
+                         pUIMargin->height);
+    }
+  } else if (m_pOuter->GetClassID() == FWL_CLASSHASH_DateTimePicker) {
+    CFWL_ThemePart part;
+    part.m_pWidget = m_pOuter;
+    CFX_RectF* pUIMargin =
+        static_cast<CFX_RectF*>(m_pOuter->GetThemeProvider()->GetCapacity(
+            &part, FWL_WGTCAPACITY_UIMargin));
+    if (pUIMargin) {
+      m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
+                         pUIMargin->height);
+    }
+  }
+  FX_BOOL bShowVertScrollbar = IsShowScrollBar(TRUE);
+  FX_BOOL bShowHorzScrollbar = IsShowScrollBar(FALSE);
+  if (bShowVertScrollbar) {
+    InitScrollBar();
+    CFX_RectF rtVertScr;
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
+      rtVertScr.Set(m_rtClient.right() + FWL_EDIT_Margin, m_rtClient.top,
+                    fWidth, m_rtClient.height);
+    } else {
+      rtVertScr.Set(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
+                    m_rtClient.height);
+      if (bShowHorzScrollbar) {
+        rtVertScr.height -= fWidth;
+      }
+      m_rtEngine.width -= fWidth;
+    }
+    m_pVertScrollBar->SetWidgetRect(rtVertScr);
+    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+    m_pVertScrollBar->Update();
+  } else if (m_pVertScrollBar) {
+    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+  if (bShowHorzScrollbar) {
+    InitScrollBar(FALSE);
+    CFX_RectF rtHoriScr;
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
+      rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() + FWL_EDIT_Margin,
+                    m_rtClient.width, fWidth);
+    } else {
+      rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() - fWidth,
+                    m_rtClient.width, fWidth);
+      if (bShowVertScrollbar) {
+        rtHoriScr.width -= fWidth;
+      }
+      m_rtEngine.height -= fWidth;
+    }
+    m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
+    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+    m_pHorzScrollBar->Update();
+  } else if (m_pHorzScrollBar) {
+    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+}
+void CFWL_EditImp::LayoutScrollBar() {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus) ==
+      0) {
+    return;
+  }
+  FX_FLOAT* pfWidth = NULL;
+  FX_BOOL bShowVertScrollbar = IsShowScrollBar(TRUE);
+  FX_BOOL bShowHorzScrollbar = IsShowScrollBar(FALSE);
+  if (bShowVertScrollbar) {
+    if (!m_pVertScrollBar) {
+      pfWidth = static_cast<FX_FLOAT*>(
+          GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+      FX_FLOAT fWidth = pfWidth ? *pfWidth : 0;
+      InitScrollBar();
+      CFX_RectF rtVertScr;
+      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
+        rtVertScr.Set(m_rtClient.right() + FWL_EDIT_Margin, m_rtClient.top,
+                      fWidth, m_rtClient.height);
+      } else {
+        rtVertScr.Set(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
+                      m_rtClient.height);
+        if (bShowHorzScrollbar) {
+          rtVertScr.height -= fWidth;
+        }
+      }
+      m_pVertScrollBar->SetWidgetRect(rtVertScr);
+      m_pVertScrollBar->Update();
+    }
+    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+  } else if (m_pVertScrollBar) {
+    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+  if (bShowHorzScrollbar) {
+    if (!m_pHorzScrollBar) {
+      if (!pfWidth) {
+        pfWidth = static_cast<FX_FLOAT*>(
+            GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+      }
+      FX_FLOAT fWidth = pfWidth ? *pfWidth : 0;
+      InitScrollBar(FALSE);
+      CFX_RectF rtHoriScr;
+      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
+        rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() + FWL_EDIT_Margin,
+                      m_rtClient.width, fWidth);
+      } else {
+        rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() - fWidth,
+                      m_rtClient.width, fWidth);
+        if (bShowVertScrollbar) {
+          rtHoriScr.width -= (fWidth);
+        }
+      }
+      m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
+      m_pHorzScrollBar->Update();
+    }
+    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+  } else if (m_pHorzScrollBar) {
+    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+  if (bShowVertScrollbar || bShowHorzScrollbar) {
+    UpdateScroll();
+  }
+}
+void CFWL_EditImp::DeviceToEngine(CFX_PointF& pt) {
+  pt.x += -m_rtEngine.left + m_fScrollOffsetX;
+  pt.y += -m_rtEngine.top - m_fVAlignOffset + m_fScrollOffsetY;
+}
+void CFWL_EditImp::InitScrollBar(FX_BOOL bVert) {
+  if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) {
+    return;
+  }
+  CFWL_WidgetImpProperties prop;
+  prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz;
+  prop.m_dwStates = FWL_WGTSTATE_Disabled | FWL_WGTSTATE_Invisible;
+  prop.m_pParent = m_pInterface;
+  prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
+  IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface);
+  pScrollBar->Initialize();
+  (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
+}
+void CFWL_EditImp::InitEngine() {
+  if (m_pEdtEngine) {
+    return;
+  }
+  m_pEdtEngine = IFDE_TxtEdtEngine::Create();
+}
+extern FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
+                             FX_BOOL bVisible,
+                             const CFX_RectF* pRtAnchor);
+void CFWL_EditImp::ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect) {
+  if (m_pCaret) {
+    m_pCaret->ShowCaret(bVisible);
+    if (bVisible && !pRect->IsEmpty()) {
+      m_pCaret->SetWidgetRect(*pRect);
+    }
+    Repaint(&m_rtEngine);
+  } else {
+    IFWL_Widget* pOuter = m_pInterface;
+    if (bVisible) {
+      pRect->Offset(m_pProperties->m_rtWidget.left,
+                    m_pProperties->m_rtWidget.top);
+    }
+    while (pOuter->GetOuter()) {
+      pOuter = pOuter->GetOuter();
+      if (bVisible) {
+        CFX_RectF rtOuter;
+        pOuter->GetWidgetRect(rtOuter);
+        pRect->Offset(rtOuter.left, rtOuter.top);
+      }
+    }
+    FWL_ShowCaret(pOuter, bVisible, pRect);
+  }
+}
+FX_BOOL CFWL_EditImp::ValidateNumberChar(FX_WCHAR cNum) {
+  if (!m_pEdtEngine) {
+    return FALSE;
+  }
+  if (!m_bSetRange) {
+    return TRUE;
+  }
+  CFX_WideString wsOld, wsText;
+  m_pEdtEngine->GetText(wsText, 0);
+  if (wsText.IsEmpty()) {
+    if (cNum == L'0') {
+      return FALSE;
+    }
+    return TRUE;
+  }
+  int32_t caretPos = m_pEdtEngine->GetCaretPos();
+  int32_t iSel = CountSelRanges();
+  if (iSel == 0) {
+    if (cNum == L'0' && caretPos == 0) {
+      return FALSE;
+    }
+    int32_t nLen = wsText.GetLength();
+    CFX_WideString l = wsText.Mid(0, caretPos);
+    CFX_WideString r = wsText.Mid(caretPos, nLen - caretPos);
+    CFX_WideString wsNew = l + cNum + r;
+    if (wsNew.GetInteger() <= m_iMax) {
+      return TRUE;
+    }
+  } else {
+    if (wsText.GetInteger() <= m_iMax) {
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+void CFWL_EditImp::InitCaret() {
+  if (!m_pCaret) {
+    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret)) {
+      CFWL_WidgetImpProperties prop;
+      m_pCaret.reset(IFWL_Caret::Create(prop, m_pInterface));
+      m_pCaret->Initialize();
+      m_pCaret->SetParent(m_pInterface);
+      m_pCaret->SetStates(m_pProperties->m_dwStates);
+    }
+  } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret) ==
+             0) {
+    m_pCaret.reset();
+  }
+}
+void CFWL_EditImp::ClearRecord() {
+  m_iCurRecord = -1;
+  m_RecordArr.RemoveAll();
+}
+void CFWL_EditImp::ProcessInsertError(int32_t iError) {
+  switch (iError) {
+    case -2: {
+      CFWL_EvtEdtTextFull textFullEvent;
+      textFullEvent.m_pSrcTarget = m_pInterface;
+      DispatchEvent(&textFullEvent);
+      break;
+    }
+    default: {}
+  }
+}
+CFWL_EditImpDelegate::CFWL_EditImpDelegate(CFWL_EditImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_EditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  int32_t iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_Activate: {
+      DoActivate(static_cast<CFWL_MsgActivate*>(pMessage));
+      break;
+    }
+    case FWL_MSGHASH_Deactivate: {
+      DoDeactivate(static_cast<CFWL_MsgDeactivate*>(pMessage));
+      break;
+    }
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonDblClk: {
+          OnButtonDblClk(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_RButtonDown: {
+          DoButtonDown(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
+      FX_DWORD dwCmd = pKey->m_dwCmd;
+      if (dwCmd == FWL_MSGKEYCMD_KeyDown) {
+        OnKeyDown(pKey);
+      } else if (dwCmd == FWL_MSGKEYCMD_Char) {
+        OnChar(pKey);
+      }
+      break;
+    }
+    default: { iRet = 0; }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_EditImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  if (!pEvent)
+    return FWL_ERR_Indefinite;
+  FX_DWORD dwHashCode = pEvent->GetClassID();
+  if (dwHashCode != FWL_EVTHASH_Scroll) {
+    return FWL_ERR_Succeeded;
+  }
+  IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget;
+  if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() &&
+       m_pOwner->m_pVertScrollBar) ||
+      (pSrcTarget == m_pOwner->m_pHorzScrollBar.get() &&
+       m_pOwner->m_pHorzScrollBar)) {
+    CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
+    OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget),
+             pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_EditImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                           const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_EditImpDelegate::DoActivate(CFWL_MsgActivate* pMsg) {
+  m_pOwner->m_pProperties->m_dwStates |= ~FWL_WGTSTATE_Deactivated;
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_EditImpDelegate::DoDeactivate(CFWL_MsgDeactivate* pMsg) {
+  m_pOwner->m_pProperties->m_dwStates &= FWL_WGTSTATE_Deactivated;
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_EditImpDelegate::DoButtonDown(CFWL_MsgMouse* pMsg) {
+  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    m_pOwner->SetFocus(TRUE);
+  }
+  if (!m_pOwner->m_pEdtEngine) {
+    m_pOwner->UpdateEditEngine();
+  }
+  IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return;
+  CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
+  m_pOwner->DeviceToEngine(pt);
+  FX_BOOL bBefore = TRUE;
+  int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
+  if (nIndex < 0) {
+    nIndex = 0;
+  }
+  m_pOwner->m_pEdtEngine->SetCaretPos(nIndex, bBefore);
+}
+void CFWL_EditImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) {
+  FX_DWORD dwStyleEx = m_pOwner->GetStylesEx();
+  FX_BOOL bRepaint = dwStyleEx & FWL_STYLEEXT_EDT_InnerCaret;
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+    if (!m_pOwner->m_pEdtEngine) {
+      m_pOwner->UpdateEditEngine();
+    }
+    m_pOwner->UpdateVAlignment();
+    m_pOwner->UpdateOffset();
+    m_pOwner->UpdateCaret();
+  } else if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+    m_pOwner->ShowCaret(FALSE);
+    if (m_pOwner->m_pEdtEngine &&
+        (dwStyleEx & FWL_STYLEEXT_EDT_NoHideSel) == 0) {
+      int32_t nSel = m_pOwner->CountSelRanges();
+      if (nSel > 0) {
+        m_pOwner->ClearSelections();
+        bRepaint = TRUE;
+      }
+      m_pOwner->SetCaretPos(0);
+      m_pOwner->UpdateOffset();
+    }
+    m_pOwner->ClearRecord();
+  }
+  m_pOwner->LayoutScrollBar();
+  if (bRepaint) {
+    CFX_RectF rtInvalidate;
+    rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width,
+                     m_pOwner->m_pProperties->m_rtWidget.height);
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+void CFWL_EditImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  DoCursor(pMsg);
+  if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    return;
+  }
+  m_pOwner->m_bLButtonDown = TRUE;
+  m_pOwner->SetGrab(TRUE);
+  DoButtonDown(pMsg);
+  int32_t nIndex = m_pOwner->m_pEdtEngine->GetCaretPos();
+  FX_BOOL bRepaint = FALSE;
+  int32_t iCount = m_pOwner->m_pEdtEngine->CountSelRanges();
+  if (iCount > 0) {
+    m_pOwner->m_pEdtEngine->ClearSelection();
+    bRepaint = TRUE;
+  }
+  FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
+  if (bShift && m_pOwner->m_nSelStart != nIndex) {
+    int32_t iStart = std::min(m_pOwner->m_nSelStart, nIndex);
+    int32_t iEnd = std::max(m_pOwner->m_nSelStart, nIndex);
+    m_pOwner->m_pEdtEngine->AddSelRange(iStart, iEnd - iStart);
+    bRepaint = TRUE;
+  } else {
+    m_pOwner->m_nSelStart = nIndex;
+  }
+  if (bRepaint) {
+    m_pOwner->Repaint(&m_pOwner->m_rtEngine);
+  }
+}
+void CFWL_EditImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  DoCursor(pMsg);
+  m_pOwner->m_bLButtonDown = FALSE;
+  m_pOwner->SetGrab(FALSE);
+}
+void CFWL_EditImpDelegate::OnButtonDblClk(CFWL_MsgMouse* pMsg) {
+  if (!m_pOwner->m_pEdtEngine)
+    return;
+  DoCursor(pMsg);
+  IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return;
+  CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
+  m_pOwner->DeviceToEngine(pt);
+  int32_t nCount = 0;
+  int32_t nIndex = pPage->SelectWord(pt, nCount);
+  if (nIndex < 0) {
+    return;
+  }
+  m_pOwner->m_pEdtEngine->AddSelRange(nIndex, nCount);
+  m_pOwner->m_pEdtEngine->SetCaretPos(nIndex + nCount - 1, FALSE);
+  m_pOwner->Repaint(&m_pOwner->m_rtEngine);
+}
+void CFWL_EditImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (!m_pOwner->m_pEdtEngine)
+    return;
+  DoCursor(pMsg);
+  if (m_pOwner->m_nSelStart == -1 || !m_pOwner->m_bLButtonDown) {
+    return;
+  }
+  IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
+  if (!pPage)
+    return;
+  CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
+  m_pOwner->DeviceToEngine(pt);
+  FX_BOOL bBefore = TRUE;
+  int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
+  m_pOwner->m_pEdtEngine->SetCaretPos(nIndex, bBefore);
+  nIndex = m_pOwner->m_pEdtEngine->GetCaretPos();
+  m_pOwner->m_pEdtEngine->ClearSelection();
+  if (nIndex != m_pOwner->m_nSelStart) {
+    int32_t nLen = m_pOwner->m_pEdtEngine->GetTextLength();
+    if (m_pOwner->m_nSelStart >= nLen) {
+      m_pOwner->m_nSelStart = nLen;
+    }
+    m_pOwner->m_pEdtEngine->AddSelRange(
+        std::min(m_pOwner->m_nSelStart, nIndex),
+        FXSYS_abs(nIndex - m_pOwner->m_nSelStart));
+  }
+}
+void CFWL_EditImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
+  if (!m_pOwner->m_pEdtEngine)
+    return;
+  FDE_TXTEDTMOVECARET MoveCaret = MC_MoveNone;
+  FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
+  FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl;
+  FX_DWORD dwKeyCode = pMsg->m_dwKeyCode;
+  switch (dwKeyCode) {
+    case FWL_VKEY_Left: {
+      MoveCaret = MC_Left;
+      break;
+    }
+    case FWL_VKEY_Right: {
+      MoveCaret = MC_Right;
+      break;
+    }
+    case FWL_VKEY_Up: {
+      MoveCaret = MC_Up;
+      break;
+    }
+    case FWL_VKEY_Down: {
+      MoveCaret = MC_Down;
+      break;
+    }
+    case FWL_VKEY_Home: {
+      if (bCtrl) {
+        MoveCaret = MC_Home;
+      } else {
+        MoveCaret = MC_LineStart;
+      }
+      break;
+    }
+    case FWL_VKEY_End: {
+      if (bCtrl) {
+        MoveCaret = MC_End;
+      } else {
+        MoveCaret = MC_LineEnd;
+      }
+      break;
+    }
+    case FWL_VKEY_Insert: {
+      break;
+    }
+    case FWL_VKEY_Delete: {
+      if ((m_pOwner->m_pProperties->m_dwStyleExes &
+           FWL_STYLEEXT_EDT_ReadOnly) ||
+          (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
+        break;
+      }
+      int32_t nCaret = m_pOwner->m_pEdtEngine->GetCaretPos();
+#if (_FX_OS_ == _FX_MACOSX_)
+      m_pOwner->m_pEdtEngine->Delete(nCaret, TRUE);
+#else
+      m_pOwner->m_pEdtEngine->Delete(nCaret);
+#endif
+      break;
+    }
+    case FWL_VKEY_F2: {
+      break;
+    }
+    case FWL_VKEY_Tab: {
+      m_pOwner->DispatchKeyEvent(pMsg);
+      break;
+    }
+    default: {
+#if (_FX_OS_ == _FX_MACOSX_)
+      if (pMsg->m_dwFlags & FWL_KEYFLAG_Command) {
+#else
+      if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) {
+#endif
+        if (dwKeyCode == 0x43 || dwKeyCode == 0x63) {
+          m_pOwner->DoClipboard(1);
+          return;
+        }
+        if (dwKeyCode == 0x58 || dwKeyCode == 0x78) {
+          m_pOwner->DoClipboard(2);
+          return;
+        }
+        if (dwKeyCode == 0x56 || dwKeyCode == 0x76) {
+          m_pOwner->DoClipboard(3);
+          return;
+        }
+      }
+    }
+  }
+  if (MoveCaret != MC_MoveNone) {
+    m_pOwner->m_pEdtEngine->MoveCaretPos(MoveCaret, bShift, bCtrl);
+  }
+}
+void CFWL_EditImpDelegate::OnChar(CFWL_MsgKey* pMsg) {
+  if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
+      (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
+    return;
+  }
+  if (!m_pOwner->m_pEdtEngine)
+    return;
+  int32_t iError = 0;
+  FX_WCHAR c = (FX_WCHAR)pMsg->m_dwKeyCode;
+  int32_t nCaret = m_pOwner->m_pEdtEngine->GetCaretPos();
+  switch (c) {
+    case FWL_VKEY_Back: {
+      m_pOwner->m_pEdtEngine->Delete(nCaret, TRUE);
+      break;
+    }
+    case 0x0A: {
+      break;
+    }
+    case FWL_VKEY_Escape: {
+      break;
+    }
+    case FWL_VKEY_Tab: {
+      iError = m_pOwner->m_pEdtEngine->Insert(nCaret, L"\t", 1);
+      break;
+    }
+    case FWL_VKEY_Return: {
+      if (m_pOwner->m_pProperties->m_dwStyleExes &
+          FWL_STYLEEXT_EDT_WantReturn) {
+        iError = m_pOwner->m_pEdtEngine->Insert(nCaret, L"\n", 1);
+      }
+      break;
+    }
+    default: {
+      if (!m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+        if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Number) {
+          if (((pMsg->m_dwKeyCode < FWL_VKEY_0) &&
+               (pMsg->m_dwKeyCode != 0x2E && pMsg->m_dwKeyCode != 0x2D)) ||
+              pMsg->m_dwKeyCode > FWL_VKEY_9) {
+            break;
+          }
+          if (!m_pOwner->ValidateNumberChar(c)) {
+            break;
+          }
+        }
+      }
+#if (_FX_OS_ == _FX_MACOSX_)
+      if (pMsg->m_dwFlags & FWL_KEYFLAG_Command)
+#else
+      if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl)
+#endif
+      {
+        break;
+      }
+      iError = m_pOwner->m_pEdtEngine->Insert(nCaret, &c, 1);
+      break;
+    }
+  }
+  if (iError < 0) {
+    m_pOwner->ProcessInsertError(iError);
+  }
+}
+FX_BOOL CFWL_EditImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar,
+                                       FX_DWORD dwCode,
+                                       FX_FLOAT fPos) {
+  CFX_SizeF fs;
+  pScrollBar->GetRange(fs.x, fs.y);
+  FX_FLOAT iCurPos = pScrollBar->GetPos();
+  FX_FLOAT fStep = pScrollBar->GetStepSize();
+  switch (dwCode) {
+    case FWL_SCBCODE_Min: {
+      fPos = fs.x;
+      break;
+    }
+    case FWL_SCBCODE_Max: {
+      fPos = fs.y;
+      break;
+    }
+    case FWL_SCBCODE_StepBackward: {
+      fPos -= fStep;
+      if (fPos < fs.x + fStep / 2) {
+        fPos = fs.x;
+      }
+      break;
+    }
+    case FWL_SCBCODE_StepForward: {
+      fPos += fStep;
+      if (fPos > fs.y - fStep / 2) {
+        fPos = fs.y;
+      }
+      break;
+    }
+    case FWL_SCBCODE_PageBackward: {
+      fPos -= pScrollBar->GetPageSize();
+      if (fPos < fs.x) {
+        fPos = fs.x;
+      }
+      break;
+    }
+    case FWL_SCBCODE_PageForward: {
+      fPos += pScrollBar->GetPageSize();
+      if (fPos > fs.y) {
+        fPos = fs.y;
+      }
+      break;
+    }
+    case FWL_SCBCODE_Pos:
+    case FWL_SCBCODE_TrackPos: {
+      break;
+    }
+    case FWL_SCBCODE_EndScroll: {
+      return FALSE;
+    }
+    default: {}
+  }
+  if (iCurPos != fPos) {
+    pScrollBar->SetPos(fPos);
+    pScrollBar->SetTrackPos(fPos);
+    m_pOwner->UpdateOffset(pScrollBar, fPos - iCurPos);
+    if (m_pOwner->m_pEdtEngine) {
+      m_pOwner->UpdateCaret();
+    }
+    CFX_RectF rect;
+    m_pOwner->GetWidgetRect(rect);
+    CFX_RectF rtInvalidate;
+    rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+  return TRUE;
+}
+void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}
diff --git a/xfa/fwl/basewidget/fwl_editimp.h b/xfa/fwl/basewidget/fwl_editimp.h
new file mode 100644
index 0000000000..6693b8d187
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_editimp.h
@@ -0,0 +1,208 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_
+
+#include <memory>
+#include <vector>
+
+#include "xfa/fee/ifde_txtedtengine.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
+
+class CFWL_WidgetImpProperties;
+class CFWL_WidgetImpDelegate;
+class IFWL_Caret;
+class CFWL_EditImp;
+class CFWL_EditImpDelegate;
+
+class CFWL_EditImp : public CFWL_WidgetImp, public IFDE_TxtEdtEventSink {
+ public:
+  CFWL_EditImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
+  ~CFWL_EditImp() override;
+
+  // CFWL_WidgetImp:
+  FWL_ERR GetClassName(CFX_WideString& wsClass) const override;
+  FX_DWORD GetClassID() const override;
+  FWL_ERR Initialize() override;
+  FWL_ERR Finalize() override;
+  FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
+  FWL_ERR SetWidgetRect(const CFX_RectF& rect) override;
+  FWL_ERR Update() override;
+  FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
+  FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE) override;
+  FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                     const CFX_Matrix* pMatrix = NULL) override;
+  FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
+
+  virtual FWL_ERR SetText(const CFX_WideString& wsText);
+  virtual int32_t GetTextLength() const;
+  virtual FWL_ERR GetText(CFX_WideString& wsText,
+                          int32_t nStart = 0,
+                          int32_t nCount = -1) const;
+  virtual FWL_ERR ClearText();
+  virtual int32_t GetCaretPos() const;
+  virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE);
+  virtual FWL_ERR AddSelRange(int32_t nStart, int32_t nCount = -1);
+  virtual int32_t CountSelRanges();
+  virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart);
+  virtual FWL_ERR ClearSelections();
+  virtual int32_t GetLimit();
+  virtual FWL_ERR SetLimit(int32_t nLimit);
+  virtual FWL_ERR SetAliasChar(FX_WCHAR wAlias);
+  virtual FWL_ERR Insert(int32_t nStart, const FX_WCHAR* lpText, int32_t nLen);
+  virtual FWL_ERR DeleteSelections();
+  virtual FWL_ERR DeleteRange(int32_t nStart, int32_t nCount = -1);
+  virtual FWL_ERR ReplaceSelections(const CFX_WideStringC& wsReplace);
+  virtual FWL_ERR Replace(int32_t nStart,
+                          int32_t nLen,
+                          const CFX_WideStringC& wsReplace);
+  virtual FWL_ERR DoClipboard(int32_t iCmd);
+  virtual FX_BOOL Copy(CFX_WideString& wsCopy);
+  virtual FX_BOOL Cut(CFX_WideString& wsCut);
+  virtual FX_BOOL Paste(const CFX_WideString& wsPaste);
+  virtual FX_BOOL Delete();
+  virtual FX_BOOL Redo(const CFX_ByteStringC& bsRecord);
+  virtual FX_BOOL Undo(const CFX_ByteStringC& bsRecord);
+  virtual FX_BOOL Undo();
+  virtual FX_BOOL Redo();
+  virtual FX_BOOL CanUndo();
+  virtual FX_BOOL CanRedo();
+  virtual FWL_ERR SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant);
+  virtual FWL_ERR SetOuter(IFWL_Widget* pOuter);
+  virtual FWL_ERR SetNumberRange(int32_t iMin, int32_t iMax);
+  void On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
+                       int32_t nPage,
+                       FX_BOOL bVisible = true) override;
+  void On_TextChanged(IFDE_TxtEdtEngine* pEdit,
+                      FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) override;
+  void On_PageCountChanged(IFDE_TxtEdtEngine* pEdit) override {}
+  void On_SelChanged(IFDE_TxtEdtEngine* pEdit) override;
+  FX_BOOL On_PageLoad(IFDE_TxtEdtEngine* pEdit,
+                      int32_t nPageIndex,
+                      int32_t nPurpose) override;
+  FX_BOOL On_PageUnload(IFDE_TxtEdtEngine* pEdit,
+                        int32_t nPageIndex,
+                        int32_t nPurpose) override;
+  FX_BOOL On_PageChange(IFDE_TxtEdtEngine* pEdit, int32_t nPageIndex) override {
+    return TRUE;
+  }
+  void On_AddDoRecord(IFDE_TxtEdtEngine* pEdit,
+                      const CFX_ByteStringC& bsDoRecord) override;
+  FX_BOOL On_ValidateField(IFDE_TxtEdtEngine* pEdit,
+                           int32_t nBlockIndex,
+                           int32_t nFieldIndex,
+                           const CFX_WideString& wsFieldText,
+                           int32_t nCharIndex) override;
+  FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine* pEdit,
+                           int32_t nBlockIndex) override;
+  FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit,
+                                int32_t nBlockIndex,
+                                CFX_WideString& wsBlockText) override;
+  FX_BOOL On_Validate(IFDE_TxtEdtEngine* pEdit,
+                      CFX_WideString& wsText) override;
+  virtual FWL_ERR SetBackgroundColor(FX_DWORD color);
+  virtual FWL_ERR SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize);
+  void SetScrollOffset(FX_FLOAT fScrollOffset);
+  FX_BOOL GetSuggestWords(CFX_PointF pointf,
+                          std::vector<CFX_ByteString>& sSuggest);
+  FX_BOOL ReplaceSpellCheckWord(CFX_PointF pointf,
+                                const CFX_ByteStringC& bsReplace);
+
+ protected:
+  void DrawTextBk(CFX_Graphics* pGraphics,
+                  IFWL_ThemeProvider* pTheme,
+                  const CFX_Matrix* pMatrix = NULL);
+  void DrawContent(CFX_Graphics* pGraphics,
+                   IFWL_ThemeProvider* pTheme,
+                   const CFX_Matrix* pMatrix = NULL);
+  void UpdateEditEngine();
+  void UpdateEditParams();
+  void UpdateEditLayout();
+  FX_BOOL UpdateOffset();
+  FX_BOOL UpdateOffset(IFWL_ScrollBar* pScrollBar, FX_FLOAT fPosChanged);
+  void UpdateVAlignment();
+  void UpdateCaret();
+  IFWL_ScrollBar* UpdateScroll();
+  void Layout();
+  void LayoutScrollBar();
+  void DeviceToEngine(CFX_PointF& pt);
+  void InitScrollBar(FX_BOOL bVert = TRUE);
+  void InitEngine();
+  virtual void ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect = NULL);
+  FX_BOOL ValidateNumberChar(FX_WCHAR cNum);
+  void InitCaret();
+  void ClearRecord();
+  FX_BOOL IsShowScrollBar(FX_BOOL bVert);
+  FX_BOOL IsContentHeightOverflow();
+  int32_t AddDoRecord(const CFX_ByteStringC& bsDoRecord);
+  void ProcessInsertError(int32_t iError);
+
+  void DrawSpellCheck(CFX_Graphics* pGraphics,
+                      const CFX_Matrix* pMatrix = NULL);
+  void AddSpellCheckObj(CFX_Path& PathData,
+                        int32_t nStart,
+                        int32_t nCount,
+                        FX_FLOAT fOffSetX,
+                        FX_FLOAT fOffSetY);
+  int32_t GetWordAtPoint(CFX_PointF pointf, int32_t& nCount);
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtEngine;
+  CFX_RectF m_rtStatic;
+  FX_FLOAT m_fVAlignOffset;
+  FX_FLOAT m_fScrollOffsetX;
+  FX_FLOAT m_fScrollOffsetY;
+  IFDE_TxtEdtEngine* m_pEdtEngine;
+  FX_BOOL m_bLButtonDown;
+  int32_t m_nSelStart;
+  int32_t m_nLimit;
+  FX_FLOAT m_fSpaceAbove;
+  FX_FLOAT m_fSpaceBelow;
+  FX_FLOAT m_fFontSize;
+  FX_ARGB m_argbSel;
+  FX_BOOL m_bSetRange;
+  int32_t m_iMin;
+  int32_t m_iMax;
+  std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar;
+  std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar;
+  std::unique_ptr<IFWL_Caret> m_pCaret;
+  CFX_WideString m_wsCache;
+  friend class CFWL_TxtEdtEventSink;
+  friend class CFWL_EditImpDelegate;
+  FX_DWORD m_backColor;
+  FX_BOOL m_updateBackColor;
+  CFX_WideString m_wsFont;
+  CFX_ByteStringArray m_RecordArr;
+  int32_t m_iCurRecord;
+  int32_t m_iMaxRecord;
+};
+
+class CFWL_EditImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_EditImpDelegate(CFWL_EditImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void DoActivate(CFWL_MsgActivate* pMsg);
+  void DoDeactivate(CFWL_MsgDeactivate* pMsg);
+  void DoButtonDown(CFWL_MsgMouse* pMsg);
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnButtonDblClk(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+  void OnChar(CFWL_MsgKey* pMsg);
+  FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, FX_DWORD dwCode, FX_FLOAT fPos);
+  void DoCursor(CFWL_MsgMouse* pMsg);
+  CFWL_EditImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_EDITIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_formproxyimp.cpp b/xfa/fwl/basewidget/fwl_formproxyimp.cpp
new file mode 100644
index 0000000000..51f3507707
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_formproxyimp.cpp
@@ -0,0 +1,55 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_formproxyimp.h"
+
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+CFWL_FormProxyImp::CFWL_FormProxyImp(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter)
+    : CFWL_FormImp(properties, pOuter) {}
+CFWL_FormProxyImp::~CFWL_FormProxyImp() {}
+FWL_ERR CFWL_FormProxyImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_FormProxy;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_FormProxyImp::GetClassID() const {
+  return FWL_CLASSHASH_FormProxy;
+}
+FX_BOOL CFWL_FormProxyImp::IsInstance(const CFX_WideStringC& wsClass) const {
+  if (wsClass == CFX_WideStringC(FWL_CLASS_FormProxy)) {
+    return TRUE;
+  }
+  return CFWL_FormImp::IsInstance(wsClass);
+}
+FWL_ERR CFWL_FormProxyImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_FormProxyImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_FormProxyImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_FormProxyImp::Update() {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_FormProxyImp::DrawWidget(CFX_Graphics* pGraphics,
+                                      const CFX_Matrix* pMatrix) {
+  return FWL_ERR_Succeeded;
+}
+CFWL_FormProxyImpDelegate::CFWL_FormProxyImpDelegate(CFWL_FormProxyImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_FormProxyImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  IFWL_WidgetDelegate* pDelegate = m_pOwner->m_pOuter->SetDelegate(NULL);
+  return pDelegate->OnProcessMessage(pMessage);
+}
diff --git a/xfa/fwl/basewidget/fwl_formproxyimp.h b/xfa/fwl/basewidget/fwl_formproxyimp.h
new file mode 100644
index 0000000000..c26f21a0d1
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_formproxyimp.h
@@ -0,0 +1,42 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_FORMPROXYIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_FORMPROXYIMP_H_
+
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class CFWL_WidgetImpProperties;
+class CFWL_FormProxyImpDelegate;
+
+class CFWL_FormProxyImp : public CFWL_FormImp {
+ public:
+  CFWL_FormProxyImp(const CFWL_WidgetImpProperties& properties,
+                    IFWL_Widget* pOuter);
+  ~CFWL_FormProxyImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+
+ protected:
+  friend class CFWL_FormProxyImpDelegate;
+};
+class CFWL_FormProxyImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_FormProxyImpDelegate(CFWL_FormProxyImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+
+ protected:
+  CFWL_FormProxyImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_FORMPROXYIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_listboximp.cpp b/xfa/fwl/basewidget/fwl_listboximp.cpp
new file mode 100644
index 0000000000..a7481165bf
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_listboximp.cpp
@@ -0,0 +1,1241 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_listboximp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/basewidget/fwl_comboboximp.h"
+#include "xfa/fwl/basewidget/fwl_scrollbarimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+#define FWL_LISTBOX_ItemTextMargin 2
+
+// static
+IFWL_ListBox* IFWL_ListBox::Create(const CFWL_WidgetImpProperties& properties,
+                                   IFWL_Widget* pOuter) {
+  IFWL_ListBox* pListBox = new IFWL_ListBox;
+  CFWL_ListBoxImp* pListBoxImpl = new CFWL_ListBoxImp(properties, pOuter);
+  pListBox->SetImpl(pListBoxImpl);
+  pListBoxImpl->SetInterface(pListBox);
+  return pListBox;
+}
+// static
+IFWL_ListBox* IFWL_ListBox::CreateComboList(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_ListBox* pListBox = new IFWL_ListBox;
+  CFWL_ListBoxImp* pComboListImpl = new CFWL_ComboListImp(properties, pOuter);
+  pListBox->SetImpl(pComboListImpl);
+  pComboListImpl->SetInterface(pListBox);
+  return pListBox;
+}
+IFWL_ListBox::IFWL_ListBox() {}
+int32_t IFWL_ListBox::CountSelItems() {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->CountSelItems();
+}
+FWL_HLISTITEM IFWL_ListBox::GetSelItem(int32_t nIndexSel) {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelItem(nIndexSel);
+}
+int32_t IFWL_ListBox::GetSelIndex(int32_t nIndex) {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetSelIndex(nIndex);
+}
+FWL_ERR IFWL_ListBox::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->SetSelItem(hItem, bSelect);
+}
+FWL_ERR IFWL_ListBox::GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText) {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetItemText(hItem, wsText);
+}
+FWL_ERR IFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->GetScrollPos(fPos, bVert);
+}
+FWL_ERR* IFWL_ListBox::Sort(IFWL_ListBoxCompare* pCom) {
+  return static_cast<CFWL_ListBoxImp*>(GetImpl())->Sort(pCom);
+}
+
+CFWL_ListBoxImp::CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_dwTTOStyles(0),
+      m_iTTOAligns(0),
+      m_hAnchor(NULL),
+      m_fScorllBarWidth(0),
+      m_bLButtonDown(FALSE),
+      m_pScrollBarTP(NULL) {
+  m_rtClient.Reset();
+  m_rtConent.Reset();
+  m_rtStatic.Reset();
+}
+CFWL_ListBoxImp::~CFWL_ListBoxImp() {}
+FWL_ERR CFWL_ListBoxImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_ListBox;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ListBoxImp::GetClassID() const {
+  return FWL_CLASSHASH_ListBox;
+}
+FWL_ERR CFWL_ListBoxImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_ListBoxImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBoxImp::Finalize() {
+  if (m_pVertScrollBar) {
+    m_pVertScrollBar->Finalize();
+  }
+  if (m_pHorzScrollBar) {
+    m_pHorzScrollBar->Finalize();
+  }
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_ListBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    if (!m_pProperties->m_pThemeProvider) {
+      m_pProperties->m_pThemeProvider = GetAvailableTheme();
+    }
+    CFX_SizeF fs = CalcSize(TRUE);
+    rect.Set(0, 0, fs.x, fs.y);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBoxImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  m_iTTOAligns = FDE_TTOALIGNMENT_Center;
+  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_AlignMask) {
+    case FWL_STYLEEXT_LTB_LeftAlign: {
+      m_iTTOAligns = FDE_TTOALIGNMENT_CenterLeft;
+      break;
+    }
+    case FWL_STYLEEXT_LTB_RightAlign: {
+      m_iTTOAligns = FDE_TTOALIGNMENT_CenterRight;
+      break;
+    }
+    case FWL_STYLEEXT_LTB_CenterAlign:
+    default: { m_iTTOAligns = FDE_TTOALIGNMENT_Center; }
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {
+    m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
+  }
+  m_dwTTOStyles |= FDE_TTOSTYLE_SingleLine;
+  m_fScorllBarWidth = GetScrollWidth();
+  SortItem();
+  CalcSize();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ListBoxImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (IsShowScrollBar(FALSE)) {
+    CFX_RectF rect;
+    m_pHorzScrollBar->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_HScrollBar;
+    }
+  }
+  if (IsShowScrollBar(TRUE)) {
+    CFX_RectF rect;
+    m_pVertScrollBar->GetWidgetRect(rect);
+    if (rect.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_VScrollBar;
+    }
+  }
+  if (m_rtClient.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FWL_ERR CFWL_ListBoxImp::DrawWidget(CFX_Graphics* pGraphics,
+                                    const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  pGraphics->SaveGraphState();
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_LTB_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_LTB_Edge, pTheme, pMatrix);
+  }
+  CFX_RectF rtClip(m_rtConent);
+  if (IsShowScrollBar(FALSE)) {
+    rtClip.height -= m_fScorllBarWidth;
+  }
+  if (IsShowScrollBar(TRUE)) {
+    rtClip.width -= m_fScorllBarWidth;
+  }
+  if (pMatrix) {
+    pMatrix->TransformRect(rtClip);
+  }
+  pGraphics->SetClipRect(rtClip);
+  if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_NoBackground) == 0) {
+    DrawBkground(pGraphics, pTheme, pMatrix);
+  }
+  DrawItems(pGraphics, pTheme, pMatrix);
+  pGraphics->RestoreGraphState();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBoxImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  if (!pThemeProvider)
+    return FWL_ERR_Indefinite;
+  if (!pThemeProvider->IsValidWidget(m_pInterface)) {
+    m_pScrollBarTP = pThemeProvider;
+    return FWL_ERR_Succeeded;
+  }
+  m_pProperties->m_pThemeProvider = pThemeProvider;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ListBoxImp::CountSelItems() {
+  if (!m_pProperties->m_pDataProvider)
+    return 0;
+  int32_t iRet = 0;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem) {
+      continue;
+    }
+    FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem);
+    if (dwStyle & FWL_ITEMSTATE_LTB_Selected) {
+      iRet++;
+    }
+  }
+  return iRet;
+}
+FWL_HLISTITEM CFWL_ListBoxImp::GetSelItem(int32_t nIndexSel) {
+  if (!m_pProperties->m_pDataProvider)
+    return NULL;
+  int32_t index = 0;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem) {
+      return NULL;
+    }
+    FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem);
+    if (dwStyle & FWL_ITEMSTATE_LTB_Selected) {
+      if (index == nIndexSel) {
+        return hItem;
+      } else {
+        index++;
+      }
+    }
+  }
+  return NULL;
+}
+int32_t CFWL_ListBoxImp::GetSelIndex(int32_t nIndex) {
+  if (!m_pProperties->m_pDataProvider)
+    return -1;
+  int32_t index = 0;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem) {
+      return -1;
+    }
+    FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem);
+    if (dwStyle & FWL_ITEMSTATE_LTB_Selected) {
+      if (index == nIndex) {
+        return i;
+      } else {
+        index++;
+      }
+    }
+  }
+  return -1;
+}
+FWL_ERR CFWL_ListBoxImp::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) {
+  if (!m_pProperties->m_pDataProvider)
+    return FWL_ERR_Indefinite;
+  if (!hItem) {
+    if (bSelect) {
+      SelectAll();
+    } else {
+      ClearSelection();
+      SetFocusItem(NULL);
+    }
+    return FWL_ERR_Indefinite;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection) {
+    SetSelectionDirect(hItem, bSelect);
+  } else {
+    SetSelection(hItem, hItem, bSelect);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBoxImp::GetItemText(FWL_HLISTITEM hItem,
+                                     CFX_WideString& wsText) {
+  if (!m_pProperties->m_pDataProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  pData->GetItemText(m_pInterface, hItem, wsText);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBoxImp::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) {
+  if ((bVert && IsShowScrollBar(TRUE)) || (!bVert && IsShowScrollBar(FALSE))) {
+    IFWL_ScrollBar* pScrollBar =
+        bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get();
+    fPos = pScrollBar->GetPos();
+    return FWL_ERR_Succeeded;
+  }
+  return FWL_ERR_Indefinite;
+}
+FWL_ERR* CFWL_ListBoxImp::Sort(IFWL_ListBoxCompare* pCom) {
+  FWL_HLISTITEM hTemp;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t sz = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < sz - 1; i++) {
+    for (int32_t j = i + 1; j < sz; j++) {
+      if (pCom->Compare(pData->GetItem(m_pInterface, i),
+                        pData->GetItem(m_pInterface, j)) > 0) {
+        hTemp = pData->GetItem(m_pInterface, i);
+        pData->SetItemIndex(m_pInterface, pData->GetItem(m_pInterface, j), i);
+        pData->SetItemIndex(m_pInterface, hTemp, j);
+      }
+    }
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_HLISTITEM CFWL_ListBoxImp::GetItem(FWL_HLISTITEM hItem,
+                                       FX_DWORD dwKeyCode) {
+  FWL_HLISTITEM hRet = NULL;
+  switch (dwKeyCode) {
+    case FWL_VKEY_Up:
+    case FWL_VKEY_Down:
+    case FWL_VKEY_Home:
+    case FWL_VKEY_End: {
+      const bool bUp = dwKeyCode == FWL_VKEY_Up;
+      const bool bDown = dwKeyCode == FWL_VKEY_Down;
+      const bool bHome = dwKeyCode == FWL_VKEY_Home;
+      IFWL_ListBoxDP* pData =
+          static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+      int32_t iDstItem = -1;
+      if (bUp || bDown) {
+        int32_t index = pData->GetItemIndex(m_pInterface, hItem);
+        iDstItem = dwKeyCode == FWL_VKEY_Up ? index - 1 : index + 1;
+      } else if (bHome) {
+        iDstItem = 0;
+      } else {
+        int32_t iCount = pData->CountItems(m_pInterface);
+        iDstItem = iCount - 1;
+      }
+      hRet = pData->GetItem(m_pInterface, iDstItem);
+      break;
+    }
+    default: {}
+  }
+  return hRet;
+}
+void CFWL_ListBoxImp::SetSelection(FWL_HLISTITEM hStart,
+                                   FWL_HLISTITEM hEnd,
+                                   FX_BOOL bSelected) {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iStart = pData->GetItemIndex(m_pInterface, hStart);
+  int32_t iEnd = pData->GetItemIndex(m_pInterface, hEnd);
+  if (iStart > iEnd) {
+    int32_t iTemp = iStart;
+    iStart = iEnd;
+    iEnd = iTemp;
+  }
+  if (bSelected) {
+    int32_t iCount = pData->CountItems(m_pInterface);
+    for (int32_t i = 0; i < iCount; i++) {
+      FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+      SetSelectionDirect(hItem, FALSE);
+    }
+  }
+  for (; iStart <= iEnd; iStart++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, iStart);
+    SetSelectionDirect(hItem, bSelected);
+  }
+}
+void CFWL_ListBoxImp::SetSelectionDirect(FWL_HLISTITEM hItem, FX_BOOL bSelect) {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  FX_DWORD dwOldStyle = pData->GetItemStyles(m_pInterface, hItem);
+  bSelect ? dwOldStyle |= FWL_ITEMSTATE_LTB_Selected
+          : dwOldStyle &= ~FWL_ITEMSTATE_LTB_Selected;
+  pData->SetItemStyles(m_pInterface, hItem, dwOldStyle);
+}
+FX_BOOL CFWL_ListBoxImp::IsItemSelected(FWL_HLISTITEM hItem) {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  FX_DWORD dwState = pData->GetItemStyles(m_pInterface, hItem);
+  return (dwState & FWL_ITEMSTATE_LTB_Selected) != 0;
+}
+void CFWL_ListBoxImp::ClearSelection() {
+  FX_BOOL bMulti =
+      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    FX_DWORD dwState = pData->GetItemStyles(m_pInterface, hItem);
+    FX_BOOL bFindSel = dwState & FWL_ITEMSTATE_LTB_Selected;
+    if (!bFindSel) {
+      continue;
+    }
+    SetSelectionDirect(hItem, FALSE);
+    if (!bMulti) {
+      return;
+    }
+  }
+}
+void CFWL_ListBoxImp::SelectAll() {
+  FX_BOOL bMulti =
+      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiSelection;
+  if (!bMulti) {
+    return;
+  }
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  if (iCount > 0) {
+    FWL_HLISTITEM hItemStart = pData->GetItem(m_pInterface, 0);
+    FWL_HLISTITEM hItemEnd = pData->GetItem(m_pInterface, iCount - 1);
+    SetSelection(hItemStart, hItemEnd, FALSE);
+  }
+}
+FWL_HLISTITEM CFWL_ListBoxImp::GetFocusedItem() {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem)
+      return NULL;
+    if (pData->GetItemStyles(m_pInterface, hItem) & FWL_ITEMSTATE_LTB_Focused) {
+      return hItem;
+    }
+  }
+  return NULL;
+}
+void CFWL_ListBoxImp::SetFocusItem(FWL_HLISTITEM hItem) {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  FWL_HLISTITEM hFocus = GetFocusedItem();
+  if (hItem != hFocus) {
+    if (hFocus) {
+      FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hFocus);
+      dwStyle &= ~FWL_ITEMSTATE_LTB_Focused;
+      pData->SetItemStyles(m_pInterface, hFocus, dwStyle);
+    }
+    if (hItem) {
+      FX_DWORD dwStyle = pData->GetItemStyles(m_pInterface, hItem);
+      dwStyle |= FWL_ITEMSTATE_LTB_Focused;
+      pData->SetItemStyles(m_pInterface, hItem, dwStyle);
+    }
+  }
+}
+FWL_HLISTITEM CFWL_ListBoxImp::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
+  fx -= m_rtConent.left, fy -= m_rtConent.top;
+  FX_FLOAT fPosX = 0.0f;
+  if (m_pHorzScrollBar) {
+    fPosX = m_pHorzScrollBar->GetPos();
+  }
+  FX_FLOAT fPosY = 0.0;
+  if (m_pVertScrollBar) {
+    fPosY = m_pVertScrollBar->GetPos();
+  }
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t nCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < nCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem) {
+      continue;
+    }
+    CFX_RectF rtItem;
+    pData->GetItemRect(m_pInterface, hItem, rtItem);
+    rtItem.Offset(-fPosX, -fPosY);
+    if (rtItem.Contains(fx, fy)) {
+      return hItem;
+    }
+  }
+  return NULL;
+}
+FX_BOOL CFWL_ListBoxImp::GetItemCheckRect(FWL_HLISTITEM hItem,
+                                          CFX_RectF& rtCheck) {
+  if (!m_pProperties->m_pDataProvider)
+    return FALSE;
+  if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) {
+    return FALSE;
+  }
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  pData->GetItemCheckRect(m_pInterface, hItem, rtCheck);
+  return TRUE;
+}
+FX_BOOL CFWL_ListBoxImp::GetItemChecked(FWL_HLISTITEM hItem) {
+  if (!m_pProperties->m_pDataProvider)
+    return FALSE;
+  if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) {
+    return FALSE;
+  }
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  return (pData->GetItemCheckState(m_pInterface, hItem) &
+          FWL_ITEMSTATE_LTB_Checked);
+}
+FX_BOOL CFWL_ListBoxImp::SetItemChecked(FWL_HLISTITEM hItem, FX_BOOL bChecked) {
+  if (!m_pProperties->m_pDataProvider)
+    return FALSE;
+  if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check)) {
+    return FALSE;
+  }
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  pData->SetItemCheckState(m_pInterface, hItem,
+                           bChecked ? FWL_ITEMSTATE_LTB_Checked : 0);
+  return TRUE;
+}
+FX_BOOL CFWL_ListBoxImp::ScrollToVisible(FWL_HLISTITEM hItem) {
+  if (!m_pVertScrollBar)
+    return FALSE;
+  CFX_RectF rtItem;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  pData->GetItemRect(m_pInterface, hItem, rtItem);
+  FX_BOOL bScroll = FALSE;
+  FX_FLOAT fPosY = m_pVertScrollBar->GetPos();
+  rtItem.Offset(0, -fPosY + m_rtConent.top);
+  if (rtItem.top < m_rtConent.top) {
+    fPosY += rtItem.top - m_rtConent.top;
+    bScroll = TRUE;
+  } else if (rtItem.bottom() > m_rtConent.bottom()) {
+    fPosY += rtItem.bottom() - m_rtConent.bottom();
+    bScroll = TRUE;
+  }
+  if (!bScroll) {
+    return FALSE;
+  }
+  m_pVertScrollBar->SetPos(fPosY);
+  m_pVertScrollBar->SetTrackPos(fPosY);
+  Repaint(&m_rtClient);
+  return TRUE;
+}
+void CFWL_ListBoxImp::DrawBkground(CFX_Graphics* pGraphics,
+                                   IFWL_ThemeProvider* pTheme,
+                                   const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pTheme)
+    return;
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_LTB_Background;
+  param.m_dwStates = 0;
+  param.m_pGraphics = pGraphics;
+  param.m_matrix.Concat(*pMatrix);
+  param.m_rtPart = m_rtClient;
+  if (IsShowScrollBar(FALSE) && IsShowScrollBar(TRUE)) {
+    param.m_pData = &m_rtStatic;
+  }
+  if (!IsEnabled()) {
+    param.m_dwStates = FWL_PARTSTATE_LTB_Disabled;
+  }
+  pTheme->DrawBackground(&param);
+}
+void CFWL_ListBoxImp::DrawItems(CFX_Graphics* pGraphics,
+                                IFWL_ThemeProvider* pTheme,
+                                const CFX_Matrix* pMatrix) {
+  FX_FLOAT fPosX = 0.0f;
+  if (m_pHorzScrollBar) {
+    fPosX = m_pHorzScrollBar->GetPos();
+  }
+  FX_FLOAT fPosY = 0.0f;
+  if (m_pVertScrollBar) {
+    fPosY = m_pVertScrollBar->GetPos();
+  }
+  CFX_RectF rtView(m_rtConent);
+  if (m_pHorzScrollBar) {
+    rtView.height -= m_fScorllBarWidth;
+  }
+  if (m_pVertScrollBar) {
+    rtView.width -= m_fScorllBarWidth;
+  }
+  FX_BOOL bMultiCol =
+      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem) {
+      continue;
+    }
+    CFX_RectF rtItem;
+    pData->GetItemRect(m_pInterface, hItem, rtItem);
+    rtItem.Offset(m_rtConent.left - fPosX, m_rtConent.top - fPosY);
+    if (rtItem.bottom() < m_rtConent.top) {
+      continue;
+    }
+    if (rtItem.top >= m_rtConent.bottom()) {
+      break;
+    }
+    if (bMultiCol && rtItem.left > m_rtConent.right()) {
+      break;
+    }
+    if (GetStylesEx() & FWL_STYLEEXT_LTB_OwnerDraw) {
+      CFWL_EvtLtbDrawItem ev;
+      ev.m_pSrcTarget = m_pInterface;
+      ev.m_pGraphics = pGraphics;
+      ev.m_matrix = *pMatrix;
+      ev.m_index = i;
+      ev.m_rect = rtItem;
+      DispatchEvent(&ev);
+    } else {
+      DrawItem(pGraphics, pTheme, hItem, i, rtItem, pMatrix);
+    }
+  }
+}
+void CFWL_ListBoxImp::DrawItem(CFX_Graphics* pGraphics,
+                               IFWL_ThemeProvider* pTheme,
+                               FWL_HLISTITEM hItem,
+                               int32_t Index,
+                               const CFX_RectF& rtItem,
+                               const CFX_Matrix* pMatrix) {
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  FX_DWORD dwItemStyles = pData->GetItemStyles(m_pInterface, hItem);
+  FX_DWORD dwPartStates = FWL_PARTSTATE_LTB_Normal;
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    dwPartStates = FWL_PARTSTATE_LTB_Disabled;
+  } else if (dwItemStyles & FWL_ITEMSTATE_LTB_Selected) {
+    dwPartStates = FWL_PARTSTATE_LTB_Selected;
+  }
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused &&
+      dwItemStyles & FWL_ITEMSTATE_LTB_Focused) {
+    dwPartStates |= FWL_PARTSTATE_LTB_Focused;
+  }
+  FWL_ListBoxItemData itemData;
+  itemData.pDataProvider = pData;
+  itemData.iIndex = Index;
+  {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = m_pInterface;
+    param.m_iPart = FWL_PART_LTB_ListItem;
+    param.m_dwStates = dwPartStates;
+    param.m_pGraphics = pGraphics;
+    param.m_matrix.Concat(*pMatrix);
+    param.m_rtPart = rtItem;
+    param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData);
+    CFX_RectF rtFocus(rtItem);
+    param.m_pData = &rtFocus;
+    if (m_pVertScrollBar && !m_pHorzScrollBar &&
+        (dwPartStates & FWL_PARTSTATE_LTB_Focused)) {
+      param.m_rtPart.left += 1;
+      param.m_rtPart.width -= (m_fScorllBarWidth + 1);
+      rtFocus.Deflate(0.5, 0.5, 1 + m_fScorllBarWidth, 1);
+    }
+    pTheme->DrawBackground(&param);
+  }
+  {
+    FX_BOOL bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon;
+    if (bHasIcon) {
+      CFX_RectF rtDIB;
+      CFX_DIBitmap* pDib = pData->GetItemIcon(m_pInterface, hItem);
+      rtDIB.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height);
+      if (pDib) {
+        CFWL_ThemeBackground param;
+        param.m_pWidget = m_pInterface;
+        param.m_iPart = FWL_PART_LTB_Icon;
+        param.m_pGraphics = pGraphics;
+        param.m_matrix.Concat(*pMatrix);
+        param.m_rtPart = rtDIB;
+        param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData);
+        param.m_pImage = pDib;
+        pTheme->DrawBackground(&param);
+      }
+    }
+    FX_BOOL bHasCheck = GetStylesEx() & FWL_STYLEEXT_LTB_Check;
+    if (bHasCheck) {
+      CFX_RectF rtCheck;
+      rtCheck.Set(rtItem.left, rtItem.top, rtItem.height, rtItem.height);
+      rtCheck.Deflate(2, 2, 2, 2);
+      pData->SetItemCheckRect(m_pInterface, hItem, rtCheck);
+      CFWL_ThemeBackground param;
+      param.m_pWidget = m_pInterface;
+      param.m_iPart = FWL_PART_LTB_Check;
+      param.m_pGraphics = pGraphics;
+      if (GetItemChecked(hItem)) {
+        param.m_dwStates = FWL_PARTSTATE_LTB_Checked;
+      } else {
+        param.m_dwStates = FWL_PARTSTATE_LTB_UnChecked;
+      }
+      param.m_matrix.Concat(*pMatrix);
+      param.m_rtPart = rtCheck;
+      param.m_dwData = (FX_DWORD)(uintptr_t)(&itemData);
+      pTheme->DrawBackground(&param);
+    }
+    CFX_WideString wsText;
+    pData->GetItemText(m_pInterface, hItem, wsText);
+    if (wsText.GetLength() <= 0) {
+      return;
+    }
+    CFX_RectF rtText(rtItem);
+    rtText.Deflate(FWL_LISTBOX_ItemTextMargin, FWL_LISTBOX_ItemTextMargin);
+    if (bHasIcon || bHasCheck) {
+      rtText.Deflate(rtItem.height, 0, 0, 0);
+    }
+    CFWL_ThemeText textParam;
+    textParam.m_pWidget = m_pInterface;
+    textParam.m_iPart = FWL_PART_LTB_ListItem;
+    textParam.m_dwStates = dwPartStates;
+    textParam.m_pGraphics = pGraphics;
+    textParam.m_matrix.Concat(*pMatrix);
+    textParam.m_rtPart = rtText;
+    textParam.m_wsText = wsText;
+    textParam.m_dwTTOStyles = m_dwTTOStyles;
+    textParam.m_iTTOAlign = m_iTTOAligns;
+    textParam.m_dwData = (FX_DWORD)(uintptr_t)(&itemData);
+    pTheme->DrawText(&textParam);
+  }
+}
+CFX_SizeF CFWL_ListBoxImp::CalcSize(FX_BOOL bAutoSize) {
+  CFX_SizeF fs;
+  if (!m_pProperties->m_pThemeProvider)
+    return fs;
+
+  GetClientRect(m_rtClient);
+  m_rtConent = m_rtClient;
+  CFX_RectF rtUIMargin;
+  rtUIMargin.Set(0, 0, 0, 0);
+  if (!m_pOuter) {
+    CFX_RectF* pUIMargin =
+        static_cast<CFX_RectF*>(GetThemeCapacity(FWL_WGTCAPACITY_UIMargin));
+    if (pUIMargin) {
+      m_rtConent.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
+                         pUIMargin->height);
+    }
+  }
+  FX_FLOAT fWidth = 0;
+  if (m_pProperties->m_pThemeProvider->IsCustomizedLayout(m_pInterface)) {
+    IFWL_ListBoxDP* pData =
+        static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+    if (!bAutoSize) {
+    }
+    int32_t iCount = pData->CountItems(m_pInterface);
+    for (int32_t i = 0; i < iCount; i++) {
+      FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+      CFWL_ThemePart itemPart;
+      itemPart.m_pWidget = m_pInterface;
+      itemPart.m_iPart = FWL_PART_LTB_ListItem;
+      itemPart.m_pData = m_pProperties->m_pDataProvider;
+      itemPart.m_dwData = i;
+      CFX_RectF r;
+      m_pProperties->m_pThemeProvider->GetPartRect(&itemPart, r);
+      if (!bAutoSize) {
+        CFX_RectF rtItem;
+        rtItem.Set(m_rtClient.left, m_rtClient.top + fs.y, r.width, r.height);
+        IFWL_ListBoxDP* pData =
+            static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+        pData->SetItemRect(m_pInterface, hItem, rtItem);
+      }
+      fs.y += r.height;
+      if (fs.x < r.width) {
+        fs.x = r.width;
+        fWidth = r.width;
+      }
+    }
+  } else {
+    fWidth = GetMaxTextWidth();
+    fWidth += 2 * FWL_LISTBOX_ItemTextMargin;
+    if (!bAutoSize) {
+      FX_FLOAT fActualWidth =
+          m_rtClient.width - rtUIMargin.left - rtUIMargin.width;
+      if (fWidth < fActualWidth) {
+        fWidth = fActualWidth;
+      }
+    }
+    IFWL_ListBoxDP* pData =
+        static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+    m_fItemHeight = GetItemHeigt();
+    FX_BOOL bHasIcon;
+    bHasIcon = GetStylesEx() & FWL_STYLEEXT_LTB_Icon;
+    if (bHasIcon) {
+      fWidth += m_fItemHeight;
+    }
+    int32_t iCount = pData->CountItems(m_pInterface);
+    for (int32_t i = 0; i < iCount; i++) {
+      FWL_HLISTITEM htem = pData->GetItem(m_pInterface, i);
+      GetItemSize(fs, htem, fWidth, m_fItemHeight, bAutoSize);
+    }
+  }
+  if (bAutoSize) {
+    return fs;
+  }
+  FX_FLOAT iWidth = m_rtClient.width - rtUIMargin.left - rtUIMargin.width;
+  FX_FLOAT iHeight = m_rtClient.height;
+  FX_BOOL bShowVertScr =
+      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) &&
+      (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll);
+  FX_BOOL bShowHorzScr =
+      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarAlaways) &&
+      (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll);
+  if (!bShowVertScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll &&
+      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) == 0) {
+    bShowVertScr = (fs.y > iHeight);
+  }
+  if (!bShowHorzScr && m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) {
+    bShowHorzScr = (fs.x > iWidth);
+  }
+  CFX_SizeF szRange;
+  if (bShowVertScr) {
+    if (!m_pVertScrollBar) {
+      InitScrollBar();
+    }
+    CFX_RectF rtScrollBar;
+    rtScrollBar.Set(m_rtClient.right() - m_fScorllBarWidth, m_rtClient.top,
+                    m_fScorllBarWidth, m_rtClient.height - 1);
+    if (bShowHorzScr) {
+      rtScrollBar.height -= m_fScorllBarWidth;
+    }
+    m_pVertScrollBar->SetWidgetRect(rtScrollBar);
+    szRange.x = 0, szRange.y = fs.y - m_rtConent.height;
+    if (szRange.y < m_fItemHeight) {
+      szRange.y = m_fItemHeight;
+    }
+    m_pVertScrollBar->SetRange(szRange.x, szRange.y);
+    m_pVertScrollBar->SetPageSize(rtScrollBar.height * 9 / 10);
+    m_pVertScrollBar->SetStepSize(m_fItemHeight);
+    FX_FLOAT fPos = m_pVertScrollBar->GetPos();
+    if (fPos < 0) {
+      fPos = 0;
+    }
+    if (fPos > szRange.y) {
+      fPos = szRange.y;
+    }
+    m_pVertScrollBar->SetPos(fPos);
+    m_pVertScrollBar->SetTrackPos(fPos);
+    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) ==
+            0 ||
+        (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) {
+      m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+    }
+    m_pVertScrollBar->Update();
+  } else if (m_pVertScrollBar) {
+    m_pVertScrollBar->SetPos(0);
+    m_pVertScrollBar->SetTrackPos(0);
+    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+  if (bShowHorzScr) {
+    if (!m_pHorzScrollBar) {
+      InitScrollBar(FALSE);
+    }
+    CFX_RectF rtScrollBar;
+    rtScrollBar.Set(m_rtClient.left, m_rtClient.bottom() - m_fScorllBarWidth,
+                    m_rtClient.width, m_fScorllBarWidth);
+    if (bShowVertScr) {
+      rtScrollBar.width -= m_fScorllBarWidth;
+    }
+    m_pHorzScrollBar->SetWidgetRect(rtScrollBar);
+    szRange.x = 0, szRange.y = fs.x - rtScrollBar.width;
+    m_pHorzScrollBar->SetRange(szRange.x, szRange.y);
+    m_pHorzScrollBar->SetPageSize(fWidth * 9 / 10);
+    m_pHorzScrollBar->SetStepSize(fWidth / 10);
+    FX_FLOAT fPos = m_pHorzScrollBar->GetPos();
+    if (fPos < 0) {
+      fPos = 0;
+    }
+    if (fPos > szRange.y) {
+      fPos = szRange.y;
+    }
+    m_pHorzScrollBar->SetPos(fPos);
+    m_pHorzScrollBar->SetTrackPos(fPos);
+    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_ShowScrollBarFocus) ==
+            0 ||
+        (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused)) {
+      m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+    }
+    m_pHorzScrollBar->Update();
+  } else if (m_pHorzScrollBar) {
+    m_pHorzScrollBar->SetPos(0);
+    m_pHorzScrollBar->SetTrackPos(0);
+    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  }
+  if (bShowVertScr && bShowHorzScr) {
+    m_rtStatic.Set(m_rtClient.right() - m_fScorllBarWidth,
+                   m_rtClient.bottom() - m_fScorllBarWidth, m_fScorllBarWidth,
+                   m_fScorllBarWidth);
+  }
+  return fs;
+}
+void CFWL_ListBoxImp::GetItemSize(CFX_SizeF& size,
+                                  FWL_HLISTITEM hItem,
+                                  FX_FLOAT fWidth,
+                                  FX_FLOAT m_fItemHeight,
+                                  FX_BOOL bAutoSize) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_MultiColumn) {
+  } else {
+    if (!bAutoSize) {
+      CFX_RectF rtItem;
+      rtItem.Set(0, size.y, fWidth, m_fItemHeight);
+      IFWL_ListBoxDP* pData =
+          static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+      pData->SetItemRect(m_pInterface, hItem, rtItem);
+    }
+    size.x = fWidth;
+    size.y += m_fItemHeight;
+  }
+}
+FX_FLOAT CFWL_ListBoxImp::GetMaxTextWidth() {
+  FX_FLOAT fRet = 0.0f;
+  IFWL_ListBoxDP* pData =
+      static_cast<IFWL_ListBoxDP*>(m_pProperties->m_pDataProvider);
+  int32_t iCount = pData->CountItems(m_pInterface);
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM hItem = pData->GetItem(m_pInterface, i);
+    if (!hItem) {
+      continue;
+    }
+    CFX_WideString wsText;
+    pData->GetItemText(m_pInterface, hItem, wsText);
+    CFX_SizeF sz = CalcTextSize(wsText, m_pProperties->m_pThemeProvider);
+    if (sz.x > fRet) {
+      fRet = sz.x;
+    }
+  }
+  return fRet;
+}
+FX_FLOAT CFWL_ListBoxImp::GetScrollWidth() {
+  FX_FLOAT* pfWidth =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+  if (!pfWidth)
+    return 0;
+  return *pfWidth;
+}
+FX_FLOAT CFWL_ListBoxImp::GetItemHeigt() {
+  FX_FLOAT* pfFont =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_FontSize));
+  if (!pfFont)
+    return 20;
+  return *pfFont + 2 * FWL_LISTBOX_ItemTextMargin;
+}
+void CFWL_ListBoxImp::InitScrollBar(FX_BOOL bVert) {
+  if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) {
+    return;
+  }
+  CFWL_WidgetImpProperties prop;
+  prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz;
+  prop.m_dwStates = FWL_WGTSTATE_Invisible;
+  prop.m_pParent = m_pInterface;
+  prop.m_pThemeProvider = m_pScrollBarTP;
+  IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface);
+  pScrollBar->Initialize();
+  (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
+}
+void CFWL_ListBoxImp::SortItem() {}
+FX_BOOL CFWL_ListBoxImp::IsShowScrollBar(FX_BOOL bVert) {
+  IFWL_ScrollBar* pScrollbar =
+      bVert ? m_pVertScrollBar.get() : m_pHorzScrollBar.get();
+  if (!pScrollbar || (pScrollbar->GetStates() & FWL_WGTSTATE_Invisible)) {
+    return FALSE;
+  }
+  return !(m_pProperties->m_dwStyleExes &
+           FWL_STYLEEXT_LTB_ShowScrollBarFocus) ||
+         (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused);
+}
+void CFWL_ListBoxImp::ProcessSelChanged() {
+  CFWL_EvtLtbSelChanged selEvent;
+  selEvent.m_pSrcTarget = m_pInterface;
+  CFX_Int32Array arrSels;
+  int32_t iCount = CountSelItems();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_HLISTITEM item = GetSelItem(i);
+    if (item == NULL) {
+      continue;
+    }
+    selEvent.iarraySels.Add(i);
+  }
+  DispatchEvent(&selEvent);
+}
+CFWL_ListBoxImpDelegate::CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_ListBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  if (!m_pOwner->IsEnabled()) {
+    return 1;
+  }
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  int32_t iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_MouseWheel: {
+      OnMouseWheel(static_cast<CFWL_MsgMouseWheel*>(pMessage));
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      CFWL_MsgKey* pMsg = static_cast<CFWL_MsgKey*>(pMessage);
+      if (pMsg->m_dwCmd == FWL_MSGKEYCMD_KeyDown)
+        OnKeyDown(pMsg);
+      break;
+    }
+    default: { iRet = 0; }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_ListBoxImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  if (!pEvent)
+    return FWL_ERR_Indefinite;
+  if (pEvent->GetClassID() != FWL_EVTHASH_Scroll) {
+    return FWL_ERR_Succeeded;
+  }
+  IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget;
+  if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() &&
+       m_pOwner->m_pVertScrollBar) ||
+      (pSrcTarget == m_pOwner->m_pHorzScrollBar.get() &&
+       m_pOwner->m_pHorzScrollBar)) {
+    CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
+    OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget),
+             pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                              const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_ListBoxImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) {
+  if (m_pOwner->GetStylesEx() & FWL_STYLEEXT_LTB_ShowScrollBarFocus) {
+    if (m_pOwner->m_pVertScrollBar) {
+      m_pOwner->m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet);
+    }
+    if (m_pOwner->m_pHorzScrollBar) {
+      m_pOwner->m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, !bSet);
+    }
+  }
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused);
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused);
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_ListBoxImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  m_pOwner->m_bLButtonDown = TRUE;
+  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    m_pOwner->SetFocus(TRUE);
+  }
+  FWL_HLISTITEM hItem = m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy);
+  if (!hItem) {
+    return;
+  }
+  if (m_pOwner->m_pProperties->m_dwStyleExes &
+      FWL_STYLEEXT_LTB_MultiSelection) {
+    if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) {
+      FX_BOOL bSelected = m_pOwner->IsItemSelected(hItem);
+      m_pOwner->SetSelectionDirect(hItem, !bSelected);
+      m_pOwner->m_hAnchor = hItem;
+    } else if (pMsg->m_dwFlags & FWL_KEYFLAG_Shift) {
+      if (m_pOwner->m_hAnchor) {
+        m_pOwner->SetSelection(m_pOwner->m_hAnchor, hItem, TRUE);
+      } else {
+        m_pOwner->SetSelectionDirect(hItem, TRUE);
+      }
+    } else {
+      m_pOwner->SetSelection(hItem, hItem, TRUE);
+      m_pOwner->m_hAnchor = hItem;
+    }
+  } else {
+    m_pOwner->SetSelection(hItem, hItem, TRUE);
+  }
+  if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_LTB_Check) {
+    FWL_HLISTITEM hSelectedItem =
+        m_pOwner->GetItemAtPoint(pMsg->m_fx, pMsg->m_fy);
+    CFX_RectF rtCheck;
+    m_pOwner->GetItemCheckRect(hSelectedItem, rtCheck);
+    FX_BOOL bChecked = m_pOwner->GetItemChecked(hItem);
+    if (rtCheck.Contains(pMsg->m_fx, pMsg->m_fy)) {
+      if (bChecked) {
+        m_pOwner->SetItemChecked(hItem, FALSE);
+      } else {
+        m_pOwner->SetItemChecked(hItem, TRUE);
+      }
+      m_pOwner->Update();
+    }
+  }
+  m_pOwner->SetFocusItem(hItem);
+  m_pOwner->ScrollToVisible(hItem);
+  m_pOwner->SetGrab(TRUE);
+  m_pOwner->ProcessSelChanged();
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_ListBoxImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_bLButtonDown) {
+    m_pOwner->m_bLButtonDown = FALSE;
+    m_pOwner->SetGrab(FALSE);
+    DispatchSelChangedEv();
+  }
+}
+void CFWL_ListBoxImpDelegate::OnMouseWheel(CFWL_MsgMouseWheel* pMsg) {
+  if (!m_pOwner->IsShowScrollBar(TRUE)) {
+    return;
+  }
+  IFWL_WidgetDelegate* pDelegate =
+      m_pOwner->m_pVertScrollBar->SetDelegate(NULL);
+  pDelegate->OnProcessMessage(pMsg);
+}
+void CFWL_ListBoxImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
+  FX_DWORD dwKeyCode = pMsg->m_dwKeyCode;
+  switch (dwKeyCode) {
+    case FWL_VKEY_Tab:
+    case FWL_VKEY_Up:
+    case FWL_VKEY_Down:
+    case FWL_VKEY_Home:
+    case FWL_VKEY_End: {
+      FWL_HLISTITEM hItem = m_pOwner->GetFocusedItem();
+      hItem = m_pOwner->GetItem(hItem, dwKeyCode);
+      FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
+      FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl;
+      OnVK(hItem, bShift, bCtrl);
+      DispatchSelChangedEv();
+      m_pOwner->ProcessSelChanged();
+      break;
+    }
+    default: {}
+  }
+}
+void CFWL_ListBoxImpDelegate::OnVK(FWL_HLISTITEM hItem,
+                                   FX_BOOL bShift,
+                                   FX_BOOL bCtrl) {
+  if (!hItem) {
+    return;
+  }
+  if (m_pOwner->m_pProperties->m_dwStyleExes &
+      FWL_STYLEEXT_LTB_MultiSelection) {
+    if (bCtrl) {
+    } else if (bShift) {
+      if (m_pOwner->m_hAnchor) {
+        m_pOwner->SetSelection(m_pOwner->m_hAnchor, hItem, TRUE);
+      } else {
+        m_pOwner->SetSelectionDirect(hItem, TRUE);
+      }
+    } else {
+      m_pOwner->SetSelection(hItem, hItem, TRUE);
+      m_pOwner->m_hAnchor = hItem;
+    }
+  } else {
+    m_pOwner->SetSelection(hItem, hItem, TRUE);
+  }
+  m_pOwner->SetFocusItem(hItem);
+  m_pOwner->ScrollToVisible(hItem);
+  {
+    CFX_RectF rtInvalidate;
+    rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width,
+                     m_pOwner->m_pProperties->m_rtWidget.height);
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+FX_BOOL CFWL_ListBoxImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar,
+                                          FX_DWORD dwCode,
+                                          FX_FLOAT fPos) {
+  CFX_SizeF fs;
+  pScrollBar->GetRange(fs.x, fs.y);
+  FX_FLOAT iCurPos = pScrollBar->GetPos();
+  FX_FLOAT fStep = pScrollBar->GetStepSize();
+  switch (dwCode) {
+    case FWL_SCBCODE_Min: {
+      fPos = fs.x;
+      break;
+    }
+    case FWL_SCBCODE_Max: {
+      fPos = fs.y;
+      break;
+    }
+    case FWL_SCBCODE_StepBackward: {
+      fPos -= fStep;
+      if (fPos < fs.x + fStep / 2) {
+        fPos = fs.x;
+      }
+      break;
+    }
+    case FWL_SCBCODE_StepForward: {
+      fPos += fStep;
+      if (fPos > fs.y - fStep / 2) {
+        fPos = fs.y;
+      }
+      break;
+    }
+    case FWL_SCBCODE_PageBackward: {
+      fPos -= pScrollBar->GetPageSize();
+      if (fPos < fs.x) {
+        fPos = fs.x;
+      }
+      break;
+    }
+    case FWL_SCBCODE_PageForward: {
+      fPos += pScrollBar->GetPageSize();
+      if (fPos > fs.y) {
+        fPos = fs.y;
+      }
+      break;
+    }
+    case FWL_SCBCODE_Pos:
+    case FWL_SCBCODE_TrackPos:
+      break;
+    case FWL_SCBCODE_EndScroll:
+      return FALSE;
+  }
+  if (iCurPos != fPos) {
+    pScrollBar->SetPos(fPos);
+    pScrollBar->SetTrackPos(fPos);
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  }
+  return TRUE;
+}
+void CFWL_ListBoxImpDelegate::DispatchSelChangedEv() {
+  CFWL_EvtLtbSelChanged ev;
+  ev.m_pSrcTarget = m_pOwner->m_pInterface;
+  m_pOwner->DispatchEvent(&ev);
+}
diff --git a/xfa/fwl/basewidget/fwl_listboximp.h b/xfa/fwl/basewidget/fwl_listboximp.h
new file mode 100644
index 0000000000..a78faf3d13
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_listboximp.h
@@ -0,0 +1,121 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
+
+#include <memory>
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_combobox.h"
+#include "xfa/include/fwl/basewidget/fwl_edit.h"
+#include "xfa/include/fwl/basewidget/fwl_listbox.h"
+#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
+
+class CFWL_ListBoxImpDelegate;
+
+class CFWL_ListBoxImp : public CFWL_WidgetImp {
+ public:
+  CFWL_ListBoxImp(const CFWL_WidgetImpProperties& properties,
+                  IFWL_Widget* pOuter);
+  ~CFWL_ListBoxImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
+  virtual int32_t CountSelItems();
+  virtual FWL_HLISTITEM GetSelItem(int32_t nIndexSel);
+  virtual int32_t GetSelIndex(int32_t nIndex);
+  virtual FWL_ERR SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect = TRUE);
+  virtual FWL_ERR GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText);
+  virtual FWL_ERR GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert = TRUE);
+  virtual FWL_ERR* Sort(IFWL_ListBoxCompare* pCom);
+
+ protected:
+  FWL_HLISTITEM GetItem(FWL_HLISTITEM hItem, FX_DWORD dwKeyCode);
+  void SetSelection(FWL_HLISTITEM hStart,
+                    FWL_HLISTITEM hEnd,
+                    FX_BOOL bSelected);
+  void SetSelectionDirect(FWL_HLISTITEM hItem, FX_BOOL bSelect);
+  FX_BOOL IsItemSelected(FWL_HLISTITEM hItem);
+  void ClearSelection();
+  void SelectAll();
+  FWL_HLISTITEM GetFocusedItem();
+  void SetFocusItem(FWL_HLISTITEM hItem);
+  FWL_HLISTITEM GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy);
+  FX_BOOL GetItemCheckRect(FWL_HLISTITEM hItem, CFX_RectF& rtCheck);
+  FX_BOOL SetItemChecked(FWL_HLISTITEM hItem, FX_BOOL bChecked);
+  FX_BOOL GetItemChecked(FWL_HLISTITEM hItem);
+  FX_BOOL ScrollToVisible(FWL_HLISTITEM hItem);
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix = NULL);
+  void DrawItems(CFX_Graphics* pGraphics,
+                 IFWL_ThemeProvider* pTheme,
+                 const CFX_Matrix* pMatrix = NULL);
+  void DrawItem(CFX_Graphics* pGraphics,
+                IFWL_ThemeProvider* pTheme,
+                FWL_HLISTITEM hItem,
+                int32_t Index,
+                const CFX_RectF& rtItem,
+                const CFX_Matrix* pMatrix = NULL);
+  void DrawStatic(CFX_Graphics* pGraphics, IFWL_ThemeProvider* pTheme);
+  CFX_SizeF CalcSize(FX_BOOL bAutoSize = FALSE);
+  void GetItemSize(CFX_SizeF& size,
+                   FWL_HLISTITEM hItem,
+                   FX_FLOAT fWidth,
+                   FX_FLOAT fHeight,
+                   FX_BOOL bAutoSize = FALSE);
+  FX_FLOAT GetMaxTextWidth();
+  FX_FLOAT GetScrollWidth();
+  FX_FLOAT GetItemHeigt();
+  void InitScrollBar(FX_BOOL bVert = TRUE);
+  void SortItem();
+  FX_BOOL IsShowScrollBar(FX_BOOL bVert);
+  void ProcessSelChanged();
+
+ protected:
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtStatic;
+  CFX_RectF m_rtConent;
+  std::unique_ptr<IFWL_ScrollBar> m_pHorzScrollBar;
+  std::unique_ptr<IFWL_ScrollBar> m_pVertScrollBar;
+  FX_DWORD m_dwTTOStyles;
+  int32_t m_iTTOAligns;
+  FWL_HLISTITEM m_hAnchor;
+  FX_FLOAT m_fItemHeight;
+  FX_FLOAT m_fScorllBarWidth;
+  FX_BOOL m_bLButtonDown;
+  IFWL_ThemeProvider* m_pScrollBarTP;
+  friend class CFWL_ListBoxImpDelegate;
+};
+class CFWL_ListBoxImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ListBoxImpDelegate(CFWL_ListBoxImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseWheel(CFWL_MsgMouseWheel* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+  void OnVK(FWL_HLISTITEM hItem, FX_BOOL bShift, FX_BOOL bCtrl);
+  FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, FX_DWORD dwCode, FX_FLOAT fPos);
+  void DispatchSelChangedEv();
+  CFWL_ListBoxImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_LISTBOXIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_monthcalendarimp.cpp b/xfa/fwl/basewidget/fwl_monthcalendarimp.cpp
new file mode 100644
index 0000000000..e6dad35481
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_monthcalendarimp.cpp
@@ -0,0 +1,1098 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_monthcalendarimp.h"
+
+#include <algorithm>
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_monthcalendar.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+#define MONTHCAL_HSEP_HEIGHT 1
+#define MONTHCAL_VSEP_WIDTH 1
+#define MONTHCAL_HMARGIN 3
+#define MONTHCAL_VMARGIN 2
+#define MONTHCAL_ROWS 9
+#define MONTHCAL_COLUMNS 7
+#define MONTHCAL_HEADER_BTN_VMARGIN 7
+#define MONTHCAL_HEADER_BTN_HMARGIN 5
+
+// static
+IFWL_MonthCalendar* IFWL_MonthCalendar::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_MonthCalendar* pMonthCalendar = new IFWL_MonthCalendar;
+  CFWL_MonthCalendarImp* pMonthCalendarImpl =
+      new CFWL_MonthCalendarImp(properties, pOuter);
+  pMonthCalendar->SetImpl(pMonthCalendarImpl);
+  pMonthCalendarImpl->SetInterface(pMonthCalendar);
+  return pMonthCalendar;
+}
+IFWL_MonthCalendar::IFWL_MonthCalendar() {}
+int32_t IFWL_MonthCalendar::CountSelect() {
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())->CountSelect();
+}
+FX_BOOL IFWL_MonthCalendar::GetSelect(int32_t& iYear,
+                                      int32_t& iMonth,
+                                      int32_t& iDay,
+                                      int32_t nIndex) {
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())
+      ->GetSelect(iYear, iMonth, iDay, nIndex);
+}
+FX_BOOL IFWL_MonthCalendar::SetSelect(int32_t iYear,
+                                      int32_t iMonth,
+                                      int32_t iDay) {
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())
+      ->SetSelect(iYear, iMonth, iDay);
+}
+
+CFWL_MonthCalendarImp::CFWL_MonthCalendarImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_iCurYear(2011),
+      m_iCurMonth(1),
+      m_iYear(2011),
+      m_iMonth(1),
+      m_iDay(1),
+      m_iHovered(-1),
+      m_iLBtnPartStates(FWL_PARTSTATE_MCD_Normal),
+      m_iRBtnPartStates(FWL_PARTSTATE_MCD_Normal) {
+  m_rtHead.Reset();
+  m_rtWeek.Reset();
+  m_rtLBtn.Reset();
+  m_rtRBtn.Reset();
+  m_rtDates.Reset();
+  m_rtHSep.Reset();
+  m_rtHeadText.Reset();
+  m_rtToday.Reset();
+  m_rtTodayFlag.Reset();
+  m_rtClient.Reset();
+  m_rtWeekNum.Reset();
+  m_rtWeekNumSep.Reset();
+  m_pDateTime = new CFX_DateTime;
+  m_bInit = FALSE;
+  m_iMaxSel = 1;
+}
+CFWL_MonthCalendarImp::~CFWL_MonthCalendarImp() {
+  ClearDateItem();
+  delete m_pDateTime;
+  m_arrSelDays.RemoveAll();
+}
+FWL_ERR CFWL_MonthCalendarImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_MonthCalendar;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_MonthCalendarImp::GetClassID() const {
+  return FWL_CLASSHASH_MonthCalendar;
+}
+FWL_ERR CFWL_MonthCalendarImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_MonthCalendarImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_MonthCalendarImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_MonthCalendarImp::GetWidgetRect(CFX_RectF& rect,
+                                             FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    CFX_SizeF fs = CalcSize(TRUE);
+    rect.Set(0, 0, fs.x, fs.y);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_MonthCalendarImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  GetCapValue();
+  if (!m_bInit) {
+    m_bInit = InitDate();
+  }
+  ClearDateItem();
+  ReSetDateItem();
+  LayOut();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_MonthCalendarImp::DrawWidget(CFX_Graphics* pGraphics,
+                                          const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (m_pProperties->m_pThemeProvider == NULL) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_MCD_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_MCD_Edge, pTheme, pMatrix);
+  }
+  DrawBkground(pGraphics, pTheme, pMatrix);
+  DrawHeadBK(pGraphics, pTheme, pMatrix);
+  DrawLButton(pGraphics, pTheme, pMatrix);
+  DrawRButton(pGraphics, pTheme, pMatrix);
+  DrawSeperator(pGraphics, pTheme, pMatrix);
+  DrawDatesInBK(pGraphics, pTheme, pMatrix);
+  DrawDatesInCircle(pGraphics, pTheme, pMatrix);
+  DrawCaption(pGraphics, pTheme, pMatrix);
+  DrawWeek(pGraphics, pTheme, pMatrix);
+  DrawDatesIn(pGraphics, pTheme, pMatrix);
+  DrawDatesOut(pGraphics, pTheme, pMatrix);
+  DrawToday(pGraphics, pTheme, pMatrix);
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
+    DrawWeekNumberSep(pGraphics, pTheme, pMatrix);
+    DrawWeekNumber(pGraphics, pTheme, pMatrix);
+  }
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_MonthCalendarImp::CountSelect() {
+  return m_arrSelDays.GetSize();
+}
+FX_BOOL CFWL_MonthCalendarImp::GetSelect(int32_t& iYear,
+                                         int32_t& iMonth,
+                                         int32_t& iDay,
+                                         int32_t nIndex) {
+  if (nIndex >= m_arrSelDays.GetSize()) {
+    return FALSE;
+  }
+  iYear = m_iCurYear;
+  iMonth = m_iCurMonth;
+  iDay = m_arrSelDays[nIndex];
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::SetSelect(int32_t iYear,
+                                         int32_t iMonth,
+                                         int32_t iDay) {
+  ChangeToMonth(iYear, iMonth);
+  return AddSelDay(iDay);
+}
+void CFWL_MonthCalendarImp::DrawBkground(CFX_Graphics* pGraphics,
+                                         IFWL_ThemeProvider* pTheme,
+                                         const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Background;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtClient;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawHeadBK(CFX_Graphics* pGraphics,
+                                       IFWL_ThemeProvider* pTheme,
+                                       const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Header;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtHead;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawLButton(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_LBtn;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_iLBtnPartStates;
+  params.m_rtPart = m_rtLBtn;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawRButton(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_RBtn;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_iRBtnPartStates;
+  params.m_rtPart = m_rtRBtn;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawCaption(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText textParam;
+  textParam.m_pWidget = m_pInterface;
+  textParam.m_iPart = FWL_PART_MCD_Caption;
+  textParam.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  textParam.m_pGraphics = pGraphics;
+  int32_t iYear;
+  int32_t iMonth;
+  iYear = m_iCurYear;
+  iMonth = m_iCurMonth;
+  CFX_WideString wsCation;
+  GetHeadText(iYear, iMonth, wsCation);
+  textParam.m_wsText = wsCation;
+  m_szHead = CalcTextSize(textParam.m_wsText, m_pProperties->m_pThemeProvider);
+  CalcHeadSize();
+  textParam.m_rtPart = m_rtHeadText;
+  textParam.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  textParam.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    textParam.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawText(&textParam);
+}
+void CFWL_MonthCalendarImp::DrawSeperator(CFX_Graphics* pGraphics,
+                                          IFWL_ThemeProvider* pTheme,
+                                          const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_HSeparator;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtHSep;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawDatesInBK(CFX_Graphics* pGraphics,
+                                          IFWL_ThemeProvider* pTheme,
+                                          const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DateInBK;
+  params.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t j = 0; j < iCount; j++) {
+    FWL_DATEINFO* pDataInfo = (FWL_DATEINFO*)m_arrDates.GetAt(j);
+    if (pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Selected) {
+      params.m_dwStates |= FWL_PARTSTATE_MCD_Selected;
+      if (((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoTodayCircle) ==
+           0) &&
+          pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Flag) {
+        params.m_dwStates |= FWL_PARTSTATE_MCD_Flagged;
+      }
+      if (pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Focused) {
+        params.m_dwStates |= FWL_PARTSTATE_MCD_Focused;
+      }
+    } else if (j == m_iHovered - 1) {
+      params.m_dwStates |= FWL_PARTSTATE_MCD_Hovered;
+    } else if (pDataInfo->dwStates & FWL_ITEMSTATE_MCD_Flag) {
+      params.m_dwStates = FWL_PARTSTATE_MCD_Flagged;
+      pTheme->DrawBackground(&params);
+    }
+    params.m_rtPart = pDataInfo->rect;
+    pTheme->DrawBackground(&params);
+    params.m_dwStates = 0;
+  }
+}
+void CFWL_MonthCalendarImp::DrawWeek(CFX_Graphics* pGraphics,
+                                     IFWL_ThemeProvider* pTheme,
+                                     const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Week;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  CFX_RectF rtDayOfWeek;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  for (int32_t i = 0; i < 7; i++) {
+    rtDayOfWeek.Set(m_rtWeek.left + i * (m_szCell.x + MONTHCAL_HMARGIN * 2),
+                    m_rtWeek.top, m_szCell.x, m_szCell.y);
+    CFX_WideString* wsWeekDay = static_cast<CFX_WideString*>(
+        pTheme->GetCapacity(&params, i + FWL_MCCAPACITY_Sun));
+    params.m_rtPart = rtDayOfWeek;
+    params.m_wsText = *wsWeekDay;
+    params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+    pTheme->DrawText(&params);
+  }
+}
+void CFWL_MonthCalendarImp::DrawWeekNumber(CFX_Graphics* pGraphics,
+                                           IFWL_ThemeProvider* pTheme,
+                                           const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_WeekNum;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+  CFX_WideString wsWeekNum;
+  params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  int32_t iWeekNum = 0;
+  int32_t iMonthNum = m_pDateTime->GetMonth();
+  int32_t iDayNum = FX_DaysInMonth(m_iCurYear, iMonthNum);
+  int32_t iTemp = 0;
+  FX_FLOAT fVStartPos = m_rtClient.top + m_fHeadHei + m_fHSepHei;
+  FX_FLOAT fHStartPos = m_rtClient.left;
+  for (int32_t i = 1; i <= iDayNum; i += 7) {
+    iTemp++;
+    iWeekNum = CalWeekNumber(m_iCurYear, iMonthNum, i);
+    m_rtWeekNum.Set(fHStartPos, fVStartPos + m_fDateCellHei * iTemp,
+                    m_fWeekNumWid, m_fDateCellHei);
+    wsWeekNum.Format(L"%d", iWeekNum);
+    params.m_wsText = wsWeekNum;
+    params.m_rtPart = m_rtWeekNum;
+    pTheme->DrawText(&params);
+  }
+}
+void CFWL_MonthCalendarImp::DrawWeekNumberSep(CFX_Graphics* pGraphics,
+                                              IFWL_ThemeProvider* pTheme,
+                                              const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_WeekNumSep;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtWeekNumSep;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawToday(CFX_Graphics* pGraphics,
+                                      IFWL_ThemeProvider* pTheme,
+                                      const CFX_Matrix* pMatrix) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) {
+    return;
+  }
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_Today;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+  CFX_WideString* wsDay = static_cast<CFX_WideString*>(
+      pTheme->GetCapacity(&params, FWL_MCCAPACITY_Today));
+  CFX_WideString wsText;
+  GetTodayText(m_iYear, m_iMonth, m_iDay, wsText);
+  params.m_wsText = *wsDay + wsText;
+  m_szToday = CalcTextSize(params.m_wsText, m_pProperties->m_pThemeProvider);
+  CalcTodaySize();
+  params.m_rtPart = m_rtToday;
+  params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawText(&params);
+}
+void CFWL_MonthCalendarImp::DrawDatesIn(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DatesIn;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t j = 0; j < iCount; j++) {
+    FWL_DATEINFO* pDataInfo = (FWL_DATEINFO*)m_arrDates.GetAt(j);
+    params.m_wsText = pDataInfo->wsDay;
+    params.m_rtPart = pDataInfo->rect;
+    params.m_dwStates = pDataInfo->dwStates;
+    if (j + 1 == m_iHovered) {
+      params.m_dwStates |= FWL_PARTSTATE_MCD_Hovered;
+    }
+    params.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+    pTheme->DrawText(&params);
+  }
+}
+void CFWL_MonthCalendarImp::DrawDatesOut(CFX_Graphics* pGraphics,
+                                         IFWL_ThemeProvider* pTheme,
+                                         const CFX_Matrix* pMatrix) {
+  CFWL_ThemeText params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DatesOut;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawText(&params);
+}
+void CFWL_MonthCalendarImp::DrawDatesInCircle(CFX_Graphics* pGraphics,
+                                              IFWL_ThemeProvider* pTheme,
+                                              const CFX_Matrix* pMatrix) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoTodayCircle) {
+    return;
+  }
+  if (m_iMonth != m_iCurMonth || m_iYear != m_iCurYear) {
+    return;
+  }
+  if (m_iDay < 1 || m_iDay > m_arrDates.GetSize()) {
+    return;
+  }
+  FWL_DATEINFO* pDate = (FWL_DATEINFO*)m_arrDates[m_iDay - 1];
+  if (!pDate)
+    return;
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_DateInCircle;
+  params.m_pGraphics = pGraphics;
+  params.m_rtPart = pDate->rect;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+void CFWL_MonthCalendarImp::DrawTodayCircle(CFX_Graphics* pGraphics,
+                                            IFWL_ThemeProvider* pTheme,
+                                            const CFX_Matrix* pMatrix) {
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) {
+    return;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoTodayCircle) {
+    return;
+  }
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_MCD_TodayCircle;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = FWL_PARTSTATE_MCD_Normal;
+  params.m_rtPart = m_rtTodayFlag;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&params);
+}
+CFX_SizeF CFWL_MonthCalendarImp::CalcSize(FX_BOOL bAutoSize) {
+  if (!m_pProperties->m_pThemeProvider)
+    return CFX_SizeF();
+
+  if (!bAutoSize) {
+    GetClientRect(m_rtClient);
+    return CFX_SizeF(m_rtClient.width, m_rtClient.height);
+  }
+
+  CFX_SizeF fs;
+  CFWL_ThemePart params;
+  params.m_pWidget = m_pInterface;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  CFX_WideString* wsText = NULL;
+  FX_FLOAT fMaxWeekW = 0.0f;
+  FX_FLOAT fMaxWeekH = 0.0f;
+  for (FX_DWORD week = FWL_MCCAPACITY_Sun; week <= FWL_MCCAPACITY_Sat; week++) {
+    wsText = static_cast<CFX_WideString*>(pTheme->GetCapacity(&params, week));
+    CFX_SizeF sz = CalcTextSize(*wsText, m_pProperties->m_pThemeProvider);
+    fMaxWeekW = (fMaxWeekW >= sz.x) ? fMaxWeekW : sz.x;
+    fMaxWeekH = (fMaxWeekH >= sz.y) ? fMaxWeekH : sz.y;
+  }
+  FX_FLOAT fDayMaxW = 0.0f;
+  FX_FLOAT fDayMaxH = 0.0f;
+  for (int day = 10; day <= 31; day++) {
+    CFX_WideString wsDay;
+    wsDay.Format(L"%d", day);
+    CFX_SizeF sz = CalcTextSize(wsDay, m_pProperties->m_pThemeProvider);
+    fDayMaxW = (fDayMaxW >= sz.x) ? fDayMaxW : sz.x;
+    fDayMaxH = (fDayMaxH >= sz.y) ? fDayMaxH : sz.y;
+  }
+  m_szCell.x = FX_FLOAT((fMaxWeekW >= fDayMaxW) ? (int)(fMaxWeekW + 0.5)
+                                                : (int)(fDayMaxW + 0.5));
+  m_szCell.y = (fMaxWeekH >= fDayMaxH) ? fMaxWeekH : fDayMaxH;
+  fs.x = m_szCell.x * MONTHCAL_COLUMNS +
+         MONTHCAL_HMARGIN * MONTHCAL_COLUMNS * 2 +
+         MONTHCAL_HEADER_BTN_HMARGIN * 2;
+  FX_FLOAT fMonthMaxW = 0.0f;
+  FX_FLOAT fMonthMaxH = 0.0f;
+  for (FX_DWORD month = FWL_MCCAPACITY_January;
+       month <= FWL_MCCAPACITY_December; month++) {
+    wsText = static_cast<CFX_WideString*>(pTheme->GetCapacity(&params, month));
+    CFX_SizeF sz = CalcTextSize(*wsText, m_pProperties->m_pThemeProvider);
+    fMonthMaxW = (fMonthMaxW >= sz.x) ? fMonthMaxW : sz.x;
+    fMonthMaxH = (fMonthMaxH >= sz.y) ? fMonthMaxH : sz.y;
+  }
+  CFX_WideString wsYear;
+  GetHeadText(m_iYear, m_iMonth, wsYear);
+  CFX_SizeF szYear = CalcTextSize(wsYear, m_pProperties->m_pThemeProvider);
+  fMonthMaxH = std::max(fMonthMaxH, szYear.y);
+  m_szHead = CFX_SizeF(fMonthMaxW + szYear.x, fMonthMaxH);
+  fMonthMaxW = m_szHead.x + MONTHCAL_HEADER_BTN_HMARGIN * 2 + m_szCell.x * 2;
+  fs.x = std::max(fs.x, fMonthMaxW);
+  CFX_WideString wsToday;
+  GetTodayText(m_iYear, m_iMonth, m_iDay, wsToday);
+  wsText = static_cast<CFX_WideString*>(
+      pTheme->GetCapacity(&params, FWL_MCCAPACITY_Today));
+  m_wsToday = *wsText + wsToday;
+  m_szToday = CalcTextSize(wsToday, m_pProperties->m_pThemeProvider);
+  m_szToday.y = (m_szToday.y >= m_szCell.y) ? m_szToday.y : m_szCell.y;
+  fs.y = m_szCell.x + m_szCell.y * (MONTHCAL_ROWS - 2) + m_szToday.y +
+         MONTHCAL_VMARGIN * MONTHCAL_ROWS * 2 + MONTHCAL_HEADER_BTN_VMARGIN * 4;
+  return fs;
+}
+
+void CFWL_MonthCalendarImp::CalcHeadSize() {
+  FX_FLOAT fHeadHMargin = (m_rtClient.width - m_szHead.x) / 2;
+  FX_FLOAT fHeadVMargin = (m_szCell.x - m_szHead.y) / 2;
+  m_rtHeadText.Set(m_rtClient.left + fHeadHMargin,
+                   m_rtClient.top + MONTHCAL_HEADER_BTN_VMARGIN +
+                       MONTHCAL_VMARGIN + fHeadVMargin,
+                   m_szHead.x, m_szHead.y);
+}
+void CFWL_MonthCalendarImp::CalcTodaySize() {
+  m_rtTodayFlag.Set(
+      m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN + MONTHCAL_HMARGIN,
+      m_rtDates.bottom() + MONTHCAL_HEADER_BTN_VMARGIN + MONTHCAL_VMARGIN,
+      m_szCell.x, m_szToday.y);
+  m_rtToday.Set(
+      m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN + m_szCell.x +
+          MONTHCAL_HMARGIN * 2,
+      m_rtDates.bottom() + MONTHCAL_HEADER_BTN_VMARGIN + MONTHCAL_VMARGIN,
+      m_szToday.x, m_szToday.y);
+}
+void CFWL_MonthCalendarImp::LayOut() {
+  GetClientRect(m_rtClient);
+  {
+    m_rtHead.Set(
+        m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN, m_rtClient.top,
+        m_rtClient.width - MONTHCAL_HEADER_BTN_HMARGIN * 2,
+        m_szCell.x + (MONTHCAL_HEADER_BTN_VMARGIN + MONTHCAL_VMARGIN) * 2);
+    m_rtWeek.Set(m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN,
+                 m_rtHead.bottom(),
+                 m_rtClient.width - MONTHCAL_HEADER_BTN_HMARGIN * 2,
+                 m_szCell.y + MONTHCAL_VMARGIN * 2);
+    m_rtLBtn.Set(m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN,
+                 m_rtClient.top + MONTHCAL_HEADER_BTN_VMARGIN, m_szCell.x,
+                 m_szCell.x);
+    m_rtRBtn.Set(m_rtClient.left + m_rtClient.width -
+                     MONTHCAL_HEADER_BTN_HMARGIN - m_szCell.x,
+                 m_rtClient.top + MONTHCAL_HEADER_BTN_VMARGIN, m_szCell.x,
+                 m_szCell.x);
+    m_rtHSep.Set(
+        m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN + MONTHCAL_HMARGIN,
+        m_rtWeek.bottom() - MONTHCAL_VMARGIN,
+        m_rtClient.width - (MONTHCAL_HEADER_BTN_HMARGIN + MONTHCAL_HMARGIN) * 2,
+        MONTHCAL_HSEP_HEIGHT);
+    m_rtDates.Set(m_rtClient.left + MONTHCAL_HEADER_BTN_HMARGIN,
+                  m_rtWeek.bottom(),
+                  m_rtClient.width - MONTHCAL_HEADER_BTN_HMARGIN * 2,
+                  m_szCell.y * (MONTHCAL_ROWS - 3) +
+                      MONTHCAL_VMARGIN * (MONTHCAL_ROWS - 3) * 2);
+  }
+  CalDateItem();
+}
+void CFWL_MonthCalendarImp::CalDateItem() {
+  FX_BOOL bNewWeek = FALSE;
+  int32_t iWeekOfMonth = 0;
+  FX_FLOAT fLeft = m_rtDates.left;
+  FX_FLOAT fTop = m_rtDates.top;
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(i);
+    if (bNewWeek) {
+      iWeekOfMonth++;
+      bNewWeek = FALSE;
+    }
+    pDateInfo->rect.Set(
+        fLeft + pDateInfo->iDayOfWeek * (m_szCell.x + (MONTHCAL_HMARGIN * 2)),
+        fTop + iWeekOfMonth * (m_szCell.y + (MONTHCAL_VMARGIN * 2)),
+        m_szCell.x + (MONTHCAL_HMARGIN * 2),
+        m_szCell.y + (MONTHCAL_VMARGIN * 2));
+    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
+      pDateInfo->rect.Offset(m_fWeekNumWid, 0);
+    }
+    if (pDateInfo->iDayOfWeek >= 6) {
+      bNewWeek = TRUE;
+    }
+  }
+}
+void CFWL_MonthCalendarImp::GetCapValue() {
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  CFWL_ThemePart part;
+  part.m_pWidget = m_pInterface;
+  m_fHeadWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_WIDTH));
+  m_fHeadHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_Height));
+  m_fHeadBtnWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_WIDTH));
+  m_fHeadBtnHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_HEIGHT));
+  m_fHeadBtnHMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_HMARGIN));
+  m_fHeadBtnVMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_BTN_VMARGIN));
+  m_fHeadTextWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXTWIDHT));
+  m_fHeadTextHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXTHEIGHT));
+  m_fHeadTextHMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXT_HMARGIN));
+  m_fHeadTextVMargin = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEADER_TEXT_VMARGIN));
+  m_fHSepWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HSEP_WIDTH));
+  m_fHSepHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HSEP_HEIGHT));
+  m_fWeekNumWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEKNUM_WIDTH));
+  m_fSepDOffset = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_SEP_DOFFSET));
+  m_fSepX = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_SEP_X));
+  m_fSepY = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_SEP_Y));
+  m_fWeekNumHeigh = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEKNUM_HEIGHT));
+  m_fWeekWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEK_WIDTH));
+  m_fWeekHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WEEK_HEIGHT));
+  m_fDateCellWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_DATES_CELL_WIDTH));
+  m_fDateCellHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_DATES_CELL_HEIGHT));
+  m_fTodayWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_TODAY_WIDHT));
+  m_fTodayHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_TODAY_HEIGHT));
+  m_fTodayFlagWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_TODAY_FLAG_WIDHT));
+  m_fMCWid = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_WIDTH));
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_WeekNumbers) {
+    m_fMCWid += m_fWeekNumWid;
+  }
+  m_fMCHei = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_WGTCAPACITY_MC_HEIGHT));
+}
+int32_t CFWL_MonthCalendarImp::CalWeekNumber(int32_t iYear,
+                                             int32_t iMonth,
+                                             int32_t iDay) {
+  return 0;
+}
+FX_BOOL CFWL_MonthCalendarImp::GetMinDate(int32_t& iYear,
+                                          int32_t& iMonth,
+                                          int32_t& iDay) {
+  iYear = m_dtMin.iYear;
+  iMonth = m_dtMin.iMonth;
+  iDay = m_dtMin.iDay;
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::SetMinDate(int32_t iYear,
+                                          int32_t iMonth,
+                                          int32_t iDay) {
+  m_dtMin = DATE(iYear, iMonth, iDay);
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::GetMaxDate(int32_t& iYear,
+                                          int32_t& iMonth,
+                                          int32_t& iDay) {
+  iYear = m_dtMax.iYear;
+  iMonth = m_dtMax.iMonth;
+  iDay = m_dtMax.iDay;
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::SetMaxDate(int32_t iYear,
+                                          int32_t iMonth,
+                                          int32_t iDay) {
+  m_dtMax = DATE(iYear, iMonth, iDay);
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::InitDate() {
+  if (m_pProperties->m_pDataProvider) {
+    IFWL_MonthCalendarDP* pDateProv =
+        static_cast<IFWL_MonthCalendarDP*>(m_pProperties->m_pDataProvider);
+    m_iYear = pDateProv->GetCurYear(m_pInterface);
+    m_iMonth = pDateProv->GetCurMonth(m_pInterface);
+    m_iDay = pDateProv->GetCurDay(m_pInterface);
+    m_iCurYear = m_iYear;
+    m_iCurMonth = m_iMonth;
+  } else {
+    m_iDay = 1;
+    m_iMonth = 1;
+    m_iYear = 1;
+    m_iCurYear = m_iYear;
+    m_iCurMonth = m_iMonth;
+  }
+  GetTodayText(m_iYear, m_iMonth, m_iDay, m_wsToday);
+  GetHeadText(m_iCurYear, m_iCurMonth, m_wsHead);
+  m_dtMin = DATE(1500, 12, 1);
+  m_dtMax = DATE(2200, 1, 1);
+  return TRUE;
+}
+void CFWL_MonthCalendarImp::ClearDateItem() {
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_DATEINFO* pData = (FWL_DATEINFO*)m_arrDates.GetAt(i);
+    delete pData;
+  }
+  m_arrDates.RemoveAll();
+}
+void CFWL_MonthCalendarImp::ReSetDateItem() {
+  m_pDateTime->Set(m_iCurYear, m_iCurMonth, 1);
+  int32_t iDays = FX_DaysInMonth(m_iCurYear, m_iCurMonth);
+  int32_t iDayOfWeek = m_pDateTime->GetDayOfWeek();
+  for (int32_t i = 0; i < iDays; i++) {
+    if (iDayOfWeek >= 7) {
+      iDayOfWeek = 0;
+    }
+    CFX_WideString wsDay;
+    wsDay.Format(L"%d", i + 1);
+    FX_DWORD dwStates = 0;
+    if (m_iYear == m_iCurYear && m_iMonth == m_iCurMonth && m_iDay == (i + 1)) {
+      dwStates |= FWL_ITEMSTATE_MCD_Flag;
+    }
+    if (m_arrSelDays.Find(i + 1) != -1) {
+      dwStates |= FWL_ITEMSTATE_MCD_Selected;
+    }
+    CFX_RectF rtDate;
+    rtDate.Set(0, 0, 0, 0);
+    m_arrDates.Add(
+        new FWL_DATEINFO(i + 1, iDayOfWeek, dwStates, rtDate, wsDay));
+    iDayOfWeek++;
+  }
+}
+FX_BOOL CFWL_MonthCalendarImp::NextMonth() {
+  int32_t iYear = m_iCurYear, iMonth = m_iCurMonth;
+  if (iMonth >= 12) {
+    iMonth = 1;
+    iYear++;
+  } else {
+    iMonth++;
+  }
+  DATE dt(m_iCurYear, m_iCurMonth, 1);
+  if (!(dt < m_dtMax)) {
+    return FALSE;
+  }
+  m_iCurYear = iYear, m_iCurMonth = iMonth;
+  ChangeToMonth(m_iCurYear, m_iCurMonth);
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::PrevMonth() {
+  int32_t iYear = m_iCurYear, iMonth = m_iCurMonth;
+  if (iMonth <= 1) {
+    iMonth = 12;
+    iYear--;
+  } else {
+    iMonth--;
+  }
+  DATE dt(m_iCurYear, m_iCurMonth, 1);
+  if (!(dt > m_dtMin)) {
+    return FALSE;
+  }
+  m_iCurYear = iYear, m_iCurMonth = iMonth;
+  ChangeToMonth(m_iCurYear, m_iCurMonth);
+  return TRUE;
+}
+void CFWL_MonthCalendarImp::ChangeToMonth(int32_t iYear, int32_t iMonth) {
+  m_iCurYear = iYear;
+  m_iCurMonth = iMonth;
+  m_iHovered = -1;
+  ClearDateItem();
+  ReSetDateItem();
+  CalDateItem();
+  GetHeadText(m_iCurYear, m_iCurMonth, m_wsHead);
+}
+FX_BOOL CFWL_MonthCalendarImp::RemoveSelDay(int32_t iDay, FX_BOOL bAll) {
+  if (iDay == -1 && !bAll) {
+    return FALSE;
+  }
+  if (bAll) {
+    int32_t iCount = m_arrSelDays.GetSize();
+    int32_t iDatesCount = m_arrDates.GetSize();
+    for (int32_t i = 0; i < iCount; i++) {
+      int32_t iSelDay = m_arrSelDays.GetAt(i);
+      if (iSelDay <= iDatesCount) {
+        FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(iSelDay - 1);
+        pDateInfo->dwStates &= ~FWL_ITEMSTATE_MCD_Selected;
+      }
+    }
+    m_arrSelDays.RemoveAll();
+  } else {
+    int32_t index = m_arrSelDays.Find(iDay);
+    if (index == -1) {
+      return FALSE;
+    }
+    int32_t iSelDay = m_arrSelDays.GetAt(iDay);
+    int32_t iDatesCount = m_arrDates.GetSize();
+    if (iSelDay <= iDatesCount) {
+      FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(iSelDay - 1);
+      pDateInfo->dwStates &= ~FWL_ITEMSTATE_MCD_Selected;
+    }
+    m_arrSelDays.RemoveAt(index);
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::AddSelDay(int32_t iDay) {
+  FXSYS_assert(iDay > 0);
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+  } else {
+    if (m_arrSelDays.Find(iDay) == -1) {
+      RemoveSelDay(-1, TRUE);
+      if (iDay <= m_arrDates.GetSize()) {
+        FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(iDay - 1);
+        pDateInfo->dwStates |= FWL_ITEMSTATE_MCD_Selected;
+      }
+      m_arrSelDays.Add(iDay);
+    }
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarImp::JumpToToday() {
+  if (m_iYear != m_iCurYear || m_iMonth != m_iCurMonth) {
+    m_iCurYear = m_iYear;
+    m_iCurMonth = m_iMonth;
+    ChangeToMonth(m_iYear, m_iMonth);
+    AddSelDay(m_iDay);
+  } else {
+    if (m_arrSelDays.Find(m_iDay) == -1) {
+      AddSelDay(m_iDay);
+    }
+  }
+  return TRUE;
+}
+void CFWL_MonthCalendarImp::GetHeadText(int32_t iYear,
+                                        int32_t iMonth,
+                                        CFX_WideString& wsHead) {
+  FXSYS_assert(iMonth > 0 && iMonth < 13);
+  static const FX_WCHAR* const pMonth[] = {
+      L"January",   L"February", L"March",    L"April",
+      L"May",       L"June",     L"July",     L"August",
+      L"September", L"October",  L"November", L"December"};
+  wsHead.Format(L"%s, %d", pMonth[iMonth - 1], iYear);
+}
+void CFWL_MonthCalendarImp::GetTodayText(int32_t iYear,
+                                         int32_t iMonth,
+                                         int32_t iDay,
+                                         CFX_WideString& wsToday) {
+  wsToday.Format(L", %d/%d/%d", iDay, iMonth, iYear);
+}
+int32_t CFWL_MonthCalendarImp::GetDayAtPoint(FX_FLOAT x, FX_FLOAT y) {
+  int32_t iCount = m_arrDates.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates.GetAt(i);
+    if (pDateInfo->rect.Contains(x, y)) {
+      return ++i;
+    }
+  }
+  return -1;
+}
+FX_BOOL CFWL_MonthCalendarImp::GetDayRect(int32_t iDay, CFX_RectF& rtDay) {
+  if (iDay <= 0 || iDay > m_arrDates.GetSize()) {
+    return FALSE;
+  }
+  FWL_DATEINFO* pDateInfo = (FWL_DATEINFO*)m_arrDates[iDay - 1];
+  if (!pDateInfo)
+    return FALSE;
+  rtDay = pDateInfo->rect;
+  return TRUE;
+}
+CFWL_MonthCalendarImpDelegate::CFWL_MonthCalendarImpDelegate(
+    CFWL_MonthCalendarImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_MonthCalendarImpDelegate::OnProcessMessage(
+    CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  int32_t iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMouse->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMouse);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMouse);
+          break;
+        }
+        default: { break; }
+      }
+      break;
+    }
+    default: {
+      iRet = 0;
+      break;
+    }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_MonthCalendarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                    const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+
+void CFWL_MonthCalendarImpDelegate::OnActivate(CFWL_Message* pMsg) {}
+
+void CFWL_MonthCalendarImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                                   FX_BOOL bSet) {
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_MonthCalendarImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = FWL_PARTSTATE_MCD_Pressed;
+    m_pOwner->PrevMonth();
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates |= FWL_PARTSTATE_MCD_Pressed;
+    m_pOwner->NextMonth();
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  } else if (m_pOwner->m_rtToday.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_NoToday) ==
+        0) {
+      m_pOwner->JumpToToday();
+      m_pOwner->Repaint(&m_pOwner->m_rtClient);
+    }
+  } else {
+    if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+    } else {
+      int32_t iOldSel = 0;
+      if (m_pOwner->m_arrSelDays.GetSize() > 0) {
+        iOldSel = m_pOwner->m_arrSelDays[0];
+      } else {
+        return;
+      }
+      int32_t iCurSel = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+      FX_BOOL bSelChanged = iCurSel > 0 && iCurSel != iOldSel;
+      if (bSelChanged) {
+        FWL_DATEINFO* lpDatesInfo =
+            (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iCurSel - 1);
+        CFX_RectF rtInvalidate(lpDatesInfo->rect);
+        if (iOldSel > 0) {
+          lpDatesInfo = (FWL_DATEINFO*)m_pOwner->m_arrDates.GetAt(iOldSel - 1);
+          rtInvalidate.Union(lpDatesInfo->rect);
+        }
+        m_pOwner->AddSelDay(iCurSel);
+        CFWL_EvtClick wmClick;
+        wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
+        m_pOwner->DispatchEvent(&wmClick);
+        CFWL_EventMcdDateChanged wmDateSelected;
+        wmDateSelected.m_iStartDay = iCurSel;
+        wmDateSelected.m_iEndDay = iCurSel;
+        wmDateSelected.m_iOldMonth = m_pOwner->m_iCurMonth;
+        wmDateSelected.m_iOldYear = m_pOwner->m_iCurYear;
+        wmDateSelected.m_pSrcTarget = m_pOwner->m_pInterface;
+        m_pOwner->DispatchEvent(&wmDateSelected);
+        m_pOwner->Repaint(&rtInvalidate);
+      }
+    }
+  }
+}
+void CFWL_MonthCalendarImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_rtLBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iLBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtLBtn);
+  } else if (m_pOwner->m_rtRBtn.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_iRBtnPartStates = 0;
+    m_pOwner->Repaint(&m_pOwner->m_rtRBtn);
+  } else if (m_pOwner->m_rtDates.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    int32_t iDay = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+    if (iDay != -1) {
+      m_pOwner->AddSelDay(iDay);
+    }
+  }
+}
+void CFWL_MonthCalendarImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_MCD_MultiSelect) {
+    return;
+  }
+  FX_BOOL bRepaint = FALSE;
+  CFX_RectF rtInvalidate;
+  rtInvalidate.Set(0, 0, 0, 0);
+  if (m_pOwner->m_rtDates.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    int32_t iHover = m_pOwner->GetDayAtPoint(pMsg->m_fx, pMsg->m_fy);
+    bRepaint = m_pOwner->m_iHovered != iHover;
+    if (bRepaint) {
+      if (m_pOwner->m_iHovered > 0) {
+        m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+      }
+      if (iHover > 0) {
+        CFX_RectF rtDay;
+        m_pOwner->GetDayRect(iHover, rtDay);
+        if (rtInvalidate.IsEmpty()) {
+          rtInvalidate = rtDay;
+        } else {
+          rtInvalidate.Union(rtDay);
+        }
+      }
+    }
+    m_pOwner->m_iHovered = iHover;
+  } else {
+    bRepaint = m_pOwner->m_iHovered > 0;
+    if (bRepaint) {
+      m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+    }
+    m_pOwner->m_iHovered = -1;
+  }
+  if (bRepaint && !rtInvalidate.IsEmpty()) {
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+void CFWL_MonthCalendarImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_iHovered > 0) {
+    CFX_RectF rtInvalidate;
+    rtInvalidate.Set(0, 0, 0, 0);
+    m_pOwner->GetDayRect(m_pOwner->m_iHovered, rtInvalidate);
+    m_pOwner->m_iHovered = -1;
+    if (!rtInvalidate.IsEmpty()) {
+      m_pOwner->Repaint(&rtInvalidate);
+    }
+  }
+}
diff --git a/xfa/fwl/basewidget/fwl_monthcalendarimp.h b/xfa/fwl/basewidget/fwl_monthcalendarimp.h
new file mode 100644
index 0000000000..c9542cb599
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_monthcalendarimp.h
@@ -0,0 +1,243 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_MONTHCALENDARIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_MONTHCALENDARIMP_H_
+
+#include "xfa/fgas/localization/fgas_datetime.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_MonthCalendarImpDelegate;
+
+extern uint8_t FX_DaysInMonth(int32_t iYear, uint8_t iMonth);
+
+class CFWL_MonthCalendarImp : public CFWL_WidgetImp {
+ public:
+  CFWL_MonthCalendarImp(const CFWL_WidgetImpProperties& properties,
+                        IFWL_Widget* pOuter);
+  ~CFWL_MonthCalendarImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual int32_t CountSelect();
+  virtual FX_BOOL GetSelect(int32_t& iYear,
+                            int32_t& iMonth,
+                            int32_t& iDay,
+                            int32_t nIndex = 0);
+  virtual FX_BOOL SetSelect(int32_t iYear, int32_t iMonth, int32_t iDay);
+
+ protected:
+  struct DATE {
+    DATE() : iYear(0), iMonth(0), iDay(0) {}
+    DATE(int32_t year, int32_t month, int32_t day)
+        : iYear(year), iMonth(month), iDay(day) {}
+    FX_BOOL operator<(const DATE& right) {
+      if (iYear < right.iYear) {
+        return TRUE;
+      } else if (iYear == right.iYear) {
+        if (iMonth < right.iMonth) {
+          return TRUE;
+        } else if (iMonth == right.iMonth) {
+          return iDay < right.iDay;
+        }
+      }
+      return FALSE;
+    }
+    FX_BOOL operator>(const DATE& right) {
+      if (iYear > right.iYear) {
+        return TRUE;
+      } else if (iYear == right.iYear) {
+        if (iMonth > right.iMonth) {
+          return TRUE;
+        } else if (iMonth == right.iMonth) {
+          return iDay > right.iDay;
+        }
+      }
+      return FALSE;
+    }
+    int32_t iYear;
+    int32_t iMonth;
+    int32_t iDay;
+  };
+
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  void DrawHeadBK(CFX_Graphics* pGraphics,
+                  IFWL_ThemeProvider* pTheme,
+                  const CFX_Matrix* pMatrix);
+  void DrawLButton(CFX_Graphics* pGraphics,
+                   IFWL_ThemeProvider* pTheme,
+                   const CFX_Matrix* pMatrix);
+  void DrawRButton(CFX_Graphics* pGraphics,
+                   IFWL_ThemeProvider* pTheme,
+                   const CFX_Matrix* pMatrix);
+  void DrawCaption(CFX_Graphics* pGraphics,
+                   IFWL_ThemeProvider* pTheme,
+                   const CFX_Matrix* pMatrix);
+  void DrawSeperator(CFX_Graphics* pGraphics,
+                     IFWL_ThemeProvider* pTheme,
+                     const CFX_Matrix* pMatrix);
+  void DrawDatesInBK(CFX_Graphics* pGraphics,
+                     IFWL_ThemeProvider* pTheme,
+                     const CFX_Matrix* pMatrix);
+  void DrawWeek(CFX_Graphics* pGraphics,
+                IFWL_ThemeProvider* pTheme,
+                const CFX_Matrix* pMatrix);
+  void DrawWeekNumber(CFX_Graphics* pGraphics,
+                      IFWL_ThemeProvider* pTheme,
+                      const CFX_Matrix* pMatrix);
+  void DrawWeekNumberSep(CFX_Graphics* pGraphics,
+                         IFWL_ThemeProvider* pTheme,
+                         const CFX_Matrix* pMatrix);
+  void DrawToday(CFX_Graphics* pGraphics,
+                 IFWL_ThemeProvider* pTheme,
+                 const CFX_Matrix* pMatrix);
+  void DrawDatesIn(CFX_Graphics* pGraphics,
+                   IFWL_ThemeProvider* pTheme,
+                   const CFX_Matrix* pMatrix);
+  void DrawDatesOut(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  void DrawDatesInCircle(CFX_Graphics* pGraphics,
+                         IFWL_ThemeProvider* pTheme,
+                         const CFX_Matrix* pMatrix);
+  void DrawTodayCircle(CFX_Graphics* pGraphics,
+                       IFWL_ThemeProvider* pTheme,
+                       const CFX_Matrix* pMatrix);
+  CFX_SizeF CalcSize(FX_BOOL bAutoSize = FALSE);
+  void LayOut();
+  void CalcHeadSize();
+  void CalcTodaySize();
+  void CalDateItem();
+  void GetCapValue();
+  int32_t CalWeekNumber(int32_t iYear, int32_t iMonth, int32_t iDay);
+  FX_BOOL GetMinDate(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
+  FX_BOOL SetMinDate(int32_t iYear, int32_t iMonth, int32_t iDay);
+  FX_BOOL GetMaxDate(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
+  FX_BOOL SetMaxDate(int32_t iYear, int32_t iMonth, int32_t iDay);
+  FX_BOOL InitDate();
+  void ClearDateItem();
+  void ReSetDateItem();
+  FX_BOOL NextMonth();
+  FX_BOOL PrevMonth();
+  void ChangeToMonth(int32_t iYear, int32_t iMonth);
+  FX_BOOL RemoveSelDay(int32_t iDay, FX_BOOL bAll = FALSE);
+  FX_BOOL AddSelDay(int32_t iDay);
+  FX_BOOL JumpToToday();
+  void GetHeadText(int32_t iYear, int32_t iMonth, CFX_WideString& wsHead);
+  void GetTodayText(int32_t iYear,
+                    int32_t iMonth,
+                    int32_t iDay,
+                    CFX_WideString& wsToday);
+  int32_t GetDayAtPoint(FX_FLOAT x, FX_FLOAT y);
+  FX_BOOL GetDayRect(int32_t iDay, CFX_RectF& rtDay);
+
+  FX_BOOL m_bInit;
+  CFX_RectF m_rtHead;
+  CFX_RectF m_rtWeek;
+  CFX_RectF m_rtLBtn;
+  CFX_RectF m_rtRBtn;
+  CFX_RectF m_rtDates;
+  CFX_RectF m_rtHSep;
+  CFX_RectF m_rtHeadText;
+  CFX_RectF m_rtToday;
+  CFX_RectF m_rtTodayFlag;
+  CFX_RectF m_rtWeekNum;
+  CFX_RectF m_rtWeekNumSep;
+  CFX_RectF m_rtTemp;
+  CFX_WideString m_wsHead;
+  CFX_WideString m_wsToday;
+  CFX_DateTime* m_pDateTime;
+  CFX_PtrArray m_arrDates;
+  int32_t m_iCurYear;
+  int32_t m_iCurMonth;
+  int32_t m_iYear;
+  int32_t m_iMonth;
+  int32_t m_iDay;
+  int32_t m_iHovered;
+  int32_t m_iLBtnPartStates;
+  int32_t m_iRBtnPartStates;
+  DATE m_dtMin;
+  DATE m_dtMax;
+  CFX_SizeF m_szHead;
+  CFX_SizeF m_szCell;
+  CFX_SizeF m_szToday;
+  CFX_ArrayTemplate<int32_t> m_arrSelDays;
+  int32_t m_iMaxSel;
+  CFX_RectF m_rtClient;
+  FX_FLOAT m_fHeadWid;
+  FX_FLOAT m_fHeadHei;
+  FX_FLOAT m_fHeadBtnWid;
+  FX_FLOAT m_fHeadBtnHei;
+  FX_FLOAT m_fHeadBtnHMargin;
+  FX_FLOAT m_fHeadBtnVMargin;
+  FX_FLOAT m_fHeadTextWid;
+  FX_FLOAT m_fHeadTextHei;
+  FX_FLOAT m_fHeadTextHMargin;
+  FX_FLOAT m_fHeadTextVMargin;
+  FX_FLOAT m_fHSepWid;
+  FX_FLOAT m_fHSepHei;
+  FX_FLOAT m_fWeekNumWid;
+  FX_FLOAT m_fSepDOffset;
+  FX_FLOAT m_fSepX;
+  FX_FLOAT m_fSepY;
+  FX_FLOAT m_fWeekNumHeigh;
+  FX_FLOAT m_fWeekWid;
+  FX_FLOAT m_fWeekHei;
+  FX_FLOAT m_fDateCellWid;
+  FX_FLOAT m_fDateCellHei;
+  FX_FLOAT m_fTodayWid;
+  FX_FLOAT m_fTodayHei;
+  FX_FLOAT m_fTodayFlagWid;
+  FX_FLOAT m_fMCWid;
+  FX_FLOAT m_fMCHei;
+  friend class CFWL_MonthCalendarImpDelegate;
+};
+
+struct FWL_DATEINFO {
+  FWL_DATEINFO(int32_t day,
+               int32_t dayofweek,
+               FX_DWORD dwSt,
+               CFX_RectF rc,
+               CFX_WideString& wsday)
+      : iDay(day),
+        iDayOfWeek(dayofweek),
+        dwStates(dwSt),
+        rect(rc),
+        wsDay(wsday) {}
+  int32_t iDay;
+  int32_t iDayOfWeek;
+  FX_DWORD dwStates;
+  CFX_RectF rect;
+  CFX_WideString wsDay;
+};
+
+class CFWL_MonthCalendarImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_MonthCalendarImpDelegate(CFWL_MonthCalendarImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnActivate(CFWL_Message* pMsg);
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  CFWL_MonthCalendarImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_MONTHCALENDARIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_pictureboximp.cpp b/xfa/fwl/basewidget/fwl_pictureboximp.cpp
new file mode 100644
index 0000000000..a9dd440ccd
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_pictureboximp.cpp
@@ -0,0 +1,151 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_pictureboximp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/lightwidget/picturebox.h"
+
+// static
+IFWL_PictureBox* IFWL_PictureBox::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_PictureBox* pPictureBox = new IFWL_PictureBox;
+  CFWL_PictureBoxImp* pPictureBoxImpl =
+      new CFWL_PictureBoxImp(properties, pOuter);
+  pPictureBox->SetImpl(pPictureBoxImpl);
+  pPictureBoxImpl->SetInterface(pPictureBox);
+  return pPictureBox;
+}
+IFWL_PictureBox::IFWL_PictureBox() {}
+
+CFWL_PictureBoxImp::CFWL_PictureBoxImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_bTop(FALSE),
+      m_bVCenter(FALSE),
+      m_bButton(FALSE) {
+  m_rtClient.Reset();
+  m_rtImage.Reset();
+  m_matrix.SetIdentity();
+}
+CFWL_PictureBoxImp::~CFWL_PictureBoxImp() {}
+FWL_ERR CFWL_PictureBoxImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_PictureBox;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_PictureBoxImp::GetClassID() const {
+  return FWL_CLASSHASH_PictureBox;
+}
+FWL_ERR CFWL_PictureBoxImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_PictureBoxImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBoxImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_PictureBoxImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    if (!m_pProperties->m_pDataProvider)
+      return FWL_ERR_Indefinite;
+    CFX_DIBitmap* pBitmap =
+        static_cast<IFWL_PictureBoxDP*>(m_pProperties->m_pDataProvider)
+            ->GetPicture(m_pInterface);
+    if (pBitmap) {
+      rect.Set(0, 0, (FX_FLOAT)pBitmap->GetWidth(),
+               (FX_FLOAT)pBitmap->GetHeight());
+    }
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBoxImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Succeeded;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  GetClientRect(m_rtClient);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBoxImp::DrawWidget(CFX_Graphics* pGraphics,
+                                       const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_PTB_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_PTB_Edge, pTheme, pMatrix);
+  }
+  DrawBkground(pGraphics, pTheme, pMatrix);
+  return FWL_ERR_Succeeded;
+}
+void CFWL_PictureBoxImp::DrawBkground(CFX_Graphics* pGraphics,
+                                      IFWL_ThemeProvider* pTheme,
+                                      const CFX_Matrix* pMatrix) {
+  IFWL_PictureBoxDP* pPictureDP =
+      static_cast<IFWL_PictureBoxDP*>(m_pProperties->m_pDataProvider);
+  if (!pPictureDP)
+    return;
+
+  CFX_DIBitmap* pPicture = pPictureDP->GetPicture(m_pInterface);
+  CFX_Matrix matrix;
+  pPictureDP->GetMatrix(m_pInterface, matrix);
+  if (!pPicture)
+    return;
+
+  matrix.Concat(*pMatrix);
+  FX_FLOAT fx = (FX_FLOAT)pPicture->GetWidth();
+  FX_FLOAT fy = (FX_FLOAT)pPicture->GetHeight();
+  if (fx > m_rtClient.width) {
+    fx = m_rtClient.width;
+  }
+  if (fy > m_rtClient.height) {
+    fy = m_rtClient.height;
+  }
+  pGraphics->DrawImage(pPicture, CFX_PointF((m_rtClient.width - fx) / 2,
+                                            (m_rtClient.height - fy) / 2),
+                       &matrix);
+}
+FX_BOOL CFWL_PictureBoxImp::VStyle(FX_BOOL dwStyle) {
+  switch (dwStyle & FWL_STYLEEXT_PTB_VAlignMask) {
+    case FWL_STYLEEXT_PTB_Top: {
+      return m_bTop = TRUE;
+      break;
+    }
+    case FWL_STYLEEXT_PTB_Vcenter: {
+      return m_bVCenter = TRUE;
+      break;
+    }
+    case FWL_STYLEEXT_PTB_Bottom: {
+      return m_bButton = TRUE;
+      break;
+    }
+  }
+  return FALSE;
+}
+CFWL_PictureBoxImpDelegate::CFWL_PictureBoxImpDelegate(
+    CFWL_PictureBoxImp* pOwner)
+    : m_pOwner(pOwner) {}
+FWL_ERR CFWL_PictureBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                 const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
diff --git a/xfa/fwl/basewidget/fwl_pictureboximp.h b/xfa/fwl/basewidget/fwl_pictureboximp.h
new file mode 100644
index 0000000000..c848e980af
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_pictureboximp.h
@@ -0,0 +1,53 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_PICTUREBOXIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_PICTUREBOXIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_PictureBoxImpDelegate;
+
+class CFWL_PictureBoxImp : public CFWL_WidgetImp {
+ public:
+  CFWL_PictureBoxImp(const CFWL_WidgetImpProperties& properties,
+                     IFWL_Widget* pOuter);
+  ~CFWL_PictureBoxImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+
+ protected:
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix = NULL);
+  FX_BOOL VStyle(FX_BOOL dwStyle);
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtImage;
+  CFX_Matrix m_matrix;
+  FX_BOOL m_bTop;
+  FX_BOOL m_bVCenter;
+  FX_BOOL m_bButton;
+  friend class CFWL_PictureBoxImpDelegate;
+};
+class CFWL_PictureBoxImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_PictureBoxImpDelegate(CFWL_PictureBoxImp* pOwner);
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  CFWL_PictureBoxImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_PICTUREBOXIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp b/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp
new file mode 100644
index 0000000000..ac0055b215
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_pushbuttonimp.cpp
@@ -0,0 +1,550 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_pushbuttonimp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_pushbutton.h"
+
+// static
+IFWL_PushButton* IFWL_PushButton::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_PushButton* pPushButton = new IFWL_PushButton;
+  CFWL_PushButtonImp* pPushButtonImpl =
+      new CFWL_PushButtonImp(properties, pOuter);
+  pPushButton->SetImpl(pPushButtonImpl);
+  pPushButtonImpl->SetInterface(pPushButton);
+  return pPushButton;
+}
+IFWL_PushButton::IFWL_PushButton() {}
+
+CFWL_PushButtonImp::CFWL_PushButtonImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_bBtnDown(FALSE),
+      m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
+      m_iTTOAlign(FDE_TTOALIGNMENT_Center) {
+  m_rtClient.Set(0, 0, 0, 0);
+  m_rtCaption.Set(0, 0, 0, 0);
+}
+CFWL_PushButtonImp::~CFWL_PushButtonImp() {}
+FWL_ERR CFWL_PushButtonImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_PushButton;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_PushButtonImp::GetClassID() const {
+  return FWL_CLASSHASH_PushButton;
+}
+FWL_ERR CFWL_PushButtonImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_PushButtonImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PushButtonImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_PushButtonImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    if (m_pProperties->m_pThemeProvider == NULL) {
+      m_pProperties->m_pThemeProvider = GetAvailableTheme();
+    }
+    CFX_WideString wsCaption;
+    IFWL_PushButtonDP* pData =
+        static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider);
+    if (pData) {
+      pData->GetCaption(m_pInterface, wsCaption);
+    }
+    int32_t iLen = wsCaption.GetLength();
+    if (iLen > 0) {
+      CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider);
+      rect.Set(0, 0, sz.x, sz.y);
+    }
+    FX_FLOAT* fcaption =
+        static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_PSB_Margin));
+    rect.Inflate(*fcaption, *fcaption);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PushButtonImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  if ((dwStates & FWL_WGTSTATE_Disabled) && bSet) {
+    m_pProperties->m_dwStates = FWL_WGTSTATE_Disabled;
+    return FWL_ERR_Succeeded;
+  }
+  return CFWL_WidgetImp::SetStates(dwStates, bSet);
+}
+FWL_ERR CFWL_PushButtonImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  UpdateTextOutStyles();
+  GetClientRect(m_rtClient);
+  m_rtCaption = m_rtClient;
+  FX_FLOAT* fcaption =
+      static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_PSB_Margin));
+  m_rtCaption.Inflate(-*fcaption, -*fcaption);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PushButtonImp::DrawWidget(CFX_Graphics* pGraphics,
+                                       const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_PushButtonDP* pData =
+      static_cast<IFWL_PushButtonDP*>(m_pProperties->m_pDataProvider);
+  CFX_DIBitmap* pPicture = NULL;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_PSB_Border, m_pProperties->m_pThemeProvider,
+               pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_PSB_Edge, m_pProperties->m_pThemeProvider,
+             pMatrix);
+  }
+  DrawBkground(pGraphics, m_pProperties->m_pThemeProvider, pMatrix);
+  CFX_Matrix matrix;
+  matrix.Concat(*pMatrix);
+  FX_FLOAT iPicwidth = 0;
+  FX_FLOAT ipicheight = 0;
+  CFX_WideString wsCaption;
+  if (pData) {
+    pData->GetCaption(m_pInterface, wsCaption);
+  }
+  CFX_RectF rtText;
+  rtText.Set(0, 0, 0, 0);
+  if (!wsCaption.IsEmpty()) {
+    CalcTextRect(wsCaption, pTheme, 0, m_iTTOAlign, rtText);
+  }
+  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_PSB_ModeMask) {
+    case FWL_STYLEEXT_PSB_TextOnly:
+      DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix);
+      break;
+    case FWL_STYLEEXT_PSB_IconOnly:
+      if (pData) {
+        pPicture = pData->GetPicture(m_pInterface);
+      }
+      if (pPicture) {
+        CFX_PointF point;
+        switch (m_iTTOAlign) {
+          case 0: {
+            point.x = m_rtClient.left;
+            point.y = m_rtClient.top;
+            break;
+          }
+          case 1: {
+            point.x = m_rtClient.left +
+                      (m_rtClient.width / 2 - pPicture->GetWidth() / 2);
+            point.y = m_rtClient.top;
+            break;
+          }
+          case 2:
+            point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth();
+            point.y = m_rtClient.top;
+            break;
+          case 4:
+            point.x = m_rtClient.left;
+            point.y = m_rtClient.top + m_rtClient.height / 2 -
+                      pPicture->GetHeight() / 2;
+            break;
+          case 5:
+            point.x = m_rtClient.left +
+                      (m_rtClient.width / 2 - pPicture->GetWidth() / 2);
+            point.y = m_rtClient.top + m_rtClient.height / 2 -
+                      pPicture->GetHeight() / 2;
+            break;
+          case 6:
+            point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth();
+            point.y = m_rtClient.top + m_rtClient.height / 2 -
+                      pPicture->GetHeight() / 2;
+            break;
+          case 8:
+            point.x = m_rtClient.left;
+            point.y =
+                m_rtClient.top + m_rtClient.height - pPicture->GetHeight();
+            break;
+          case 9:
+            point.x = m_rtClient.left +
+                      (m_rtClient.width / 2 - pPicture->GetWidth() / 2);
+            point.y =
+                m_rtClient.top + m_rtClient.height - pPicture->GetHeight();
+            break;
+          case 10:
+            point.x = m_rtClient.left + m_rtClient.width - pPicture->GetWidth();
+            point.y =
+                m_rtClient.top + m_rtClient.height - pPicture->GetHeight();
+            break;
+        }
+        pGraphics->DrawImage(pPicture, point, &matrix);
+      }
+      break;
+    case FWL_STYLEEXT_PSB_TextIcon:
+      if (pPicture) {
+        CFX_PointF point;
+        switch (m_iTTOAlign) {
+          case 0: {
+            point.x = m_rtClient.left;
+            point.y = m_rtClient.top;
+            iPicwidth = (FX_FLOAT)(pPicture->GetWidth() - 7);
+            ipicheight =
+                pPicture->GetHeight() / 2 - m_rtCaption.top - rtText.height / 2;
+            break;
+          }
+          case 1: {
+            point.x =
+                m_rtClient.left + (m_rtClient.width / 2 -
+                                   (pPicture->GetWidth() + rtText.width) / 2);
+            point.y = m_rtClient.top;
+            iPicwidth = pPicture->GetWidth() -
+                        ((m_rtClient.width) / 2 - rtText.width / 2 - point.x) +
+                        rtText.width / 2 - 7;
+            ipicheight =
+                pPicture->GetHeight() / 2 - m_rtCaption.top - rtText.height / 2;
+            break;
+          }
+          case 2:
+            point.x = m_rtClient.left + m_rtClient.width -
+                      pPicture->GetWidth() - rtText.width;
+            point.y = m_rtClient.top;
+            iPicwidth = m_rtClient.left + m_rtClient.width - point.x -
+                        pPicture->GetWidth() - rtText.width + 7;
+            ipicheight =
+                pPicture->GetHeight() / 2 - m_rtCaption.top - rtText.height / 2;
+            break;
+          case 4:
+            point.x = m_rtClient.left;
+            point.y = m_rtClient.top + m_rtClient.height / 2 -
+                      pPicture->GetHeight() / 2;
+            iPicwidth = m_rtClient.left + pPicture->GetWidth() - 7;
+            break;
+          case 5:
+            point.x =
+                m_rtClient.left + (m_rtClient.width / 2 -
+                                   (pPicture->GetWidth() + rtText.width) / 2);
+            point.y = m_rtClient.top + m_rtClient.height / 2 -
+                      pPicture->GetHeight() / 2;
+            iPicwidth = pPicture->GetWidth() -
+                        ((m_rtClient.width) / 2 - rtText.width / 2 - point.x) +
+                        rtText.width / 2 - 7;
+            break;
+          case 6:
+            point.x = m_rtClient.left + m_rtClient.width -
+                      pPicture->GetWidth() - rtText.width;
+            point.y = m_rtClient.top + m_rtClient.height / 2 -
+                      pPicture->GetHeight() / 2;
+            iPicwidth = m_rtClient.left + m_rtClient.width - point.x -
+                        pPicture->GetWidth() - rtText.width + 7;
+            break;
+          case 8:
+            point.x = m_rtClient.left;
+            point.y =
+                m_rtClient.top + m_rtClient.height - pPicture->GetHeight();
+            iPicwidth = (FX_FLOAT)(pPicture->GetWidth() - 7);
+            ipicheight -= rtText.height / 2;
+            break;
+          case 9:
+            point.x =
+                m_rtClient.left + (m_rtClient.width / 2 -
+                                   (pPicture->GetWidth() + rtText.width) / 2);
+            point.y =
+                m_rtClient.top + m_rtClient.height - pPicture->GetHeight();
+            iPicwidth = pPicture->GetWidth() -
+                        ((m_rtClient.width) / 2 - rtText.width / 2 - point.x) +
+                        rtText.width / 2 - 7;
+            ipicheight -= rtText.height / 2;
+            break;
+          case 10:
+            point.x = m_rtClient.left + m_rtClient.width -
+                      pPicture->GetWidth() - rtText.width;
+            point.y =
+                m_rtClient.top + m_rtClient.height - pPicture->GetHeight();
+            iPicwidth = m_rtClient.left + m_rtClient.width - point.x -
+                        pPicture->GetWidth() - rtText.width + 7;
+            ipicheight -= rtText.height / 2;
+            break;
+        }
+        pGraphics->DrawImage(pPicture, point, &matrix);
+      }
+      matrix.e += m_rtClient.left + iPicwidth;
+      matrix.f += m_rtClient.top + ipicheight;
+      DrawText(pGraphics, m_pProperties->m_pThemeProvider, &matrix);
+      break;
+  }
+  return FWL_ERR_Succeeded;
+}
+void CFWL_PushButtonImp::DrawBkground(CFX_Graphics* pGraphics,
+                                      IFWL_ThemeProvider* pTheme,
+                                      const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_PSB_Background;
+  param.m_dwStates = GetPartStates();
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  param.m_rtPart = m_rtClient;
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    param.m_pData = &m_rtCaption;
+  }
+  pTheme->DrawBackground(&param);
+}
+void CFWL_PushButtonImp::DrawText(CFX_Graphics* pGraphics,
+                                  IFWL_ThemeProvider* pTheme,
+                                  const CFX_Matrix* pMatrix) {
+  if (!m_pProperties->m_pDataProvider)
+    return;
+  CFX_WideString wsCaption;
+  m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+  if (wsCaption.IsEmpty()) {
+    return;
+  }
+  CFWL_ThemeText param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_PSB_Caption;
+  param.m_dwStates = GetPartStates();
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  param.m_rtPart = m_rtCaption;
+  param.m_wsText = wsCaption;
+  param.m_dwTTOStyles = m_dwTTOStyles;
+  param.m_iTTOAlign = m_iTTOAlign;
+  pTheme->DrawText(&param);
+}
+FX_DWORD CFWL_PushButtonImp::GetPartStates() {
+  FX_DWORD dwStates = FWL_PARTSTATE_PSB_Normal;
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    dwStates |= FWL_PARTSTATE_PSB_Focused;
+  }
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    dwStates = FWL_PARTSTATE_PSB_Disabled;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) {
+    dwStates |= FWL_PARTSTATE_PSB_Pressed;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) {
+    dwStates |= FWL_PARTSTATE_PSB_Hovered;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_PSB_Default) {
+    dwStates |= FWL_PARTSTATE_PSB_Default;
+  }
+  return dwStates;
+}
+void CFWL_PushButtonImp::UpdateTextOutStyles() {
+  m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  switch (m_pProperties->m_dwStyleExes &
+          (FWL_STYLEEXT_PSB_HLayoutMask | FWL_STYLEEXT_PSB_VLayoutMask)) {
+    case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Top: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Top: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_TopCenter;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Top: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_TopRight;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_VCenter: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_CenterLeft;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_VCenter: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_VCenter: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_CenterRight;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Left | FWL_STYLEEXT_PSB_Bottom: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_BottomLeft;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Center | FWL_STYLEEXT_PSB_Bottom: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_BottomCenter;
+      break;
+    }
+    case FWL_STYLEEXT_PSB_Right | FWL_STYLEEXT_PSB_Bottom: {
+      m_iTTOAlign = FDE_TTOALIGNMENT_BottomRight;
+      break;
+    }
+    default: {}
+  }
+  m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {
+    m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
+  }
+}
+CFWL_PushButtonImpDelegate::CFWL_PushButtonImpDelegate(
+    CFWL_PushButtonImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_PushButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  if (!m_pOwner->IsEnabled()) {
+    return 1;
+  }
+  int32_t iRet = 1;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
+      if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) {
+        OnKeyDown(pKey);
+      }
+      break;
+    }
+    default: {
+      iRet = 0;
+      break;
+    }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_PushButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PushButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                 const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_PushButtonImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                                FX_BOOL bSet) {
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_PushButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
+    m_pOwner->SetFocus(TRUE);
+  }
+  m_pOwner->m_bBtnDown = TRUE;
+  m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+  m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed;
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_PushButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  m_pOwner->m_bBtnDown = FALSE;
+  if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+    m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
+    m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+  }
+  if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    CFWL_EvtClick wmClick;
+    wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
+    m_pOwner->DispatchEvent(&wmClick);
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_PushButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  FX_BOOL bRepaint = FALSE;
+  if (m_pOwner->m_bBtnDown) {
+    if (m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+      if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) == 0) {
+        m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Pressed;
+        bRepaint = TRUE;
+      }
+      if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) {
+        m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
+        bRepaint = TRUE;
+      }
+    } else {
+      if (m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Pressed) {
+        m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+        bRepaint = TRUE;
+      }
+      if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
+        m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+        bRepaint = TRUE;
+      }
+    }
+  } else {
+    if (!m_pOwner->m_rtClient.Contains(pMsg->m_fx, pMsg->m_fy)) {
+      return;
+    }
+    if ((m_pOwner->m_pProperties->m_dwStates & FWL_STATE_PSB_Hovered) == 0) {
+      m_pOwner->m_pProperties->m_dwStates |= FWL_STATE_PSB_Hovered;
+      bRepaint = TRUE;
+    }
+  }
+  if (bRepaint) {
+    m_pOwner->Repaint(&m_pOwner->m_rtClient);
+  }
+}
+void CFWL_PushButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  m_pOwner->m_bBtnDown = FALSE;
+  m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Hovered;
+  m_pOwner->m_pProperties->m_dwStates &= ~FWL_STATE_PSB_Pressed;
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_PushButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
+  if (pMsg->m_dwKeyCode == FWL_VKEY_Return) {
+    CFWL_EvtMouse wmMouse;
+    wmMouse.m_pSrcTarget = m_pOwner->m_pInterface;
+    wmMouse.m_dwCmd = FWL_MSGMOUSECMD_LButtonUp;
+    m_pOwner->DispatchEvent(&wmMouse);
+    CFWL_EvtClick wmClick;
+    wmClick.m_pSrcTarget = m_pOwner->m_pInterface;
+    m_pOwner->DispatchEvent(&wmClick);
+    return;
+  }
+  if (pMsg->m_dwKeyCode != FWL_VKEY_Tab) {
+    return;
+  }
+  m_pOwner->DispatchKeyEvent(pMsg);
+}
diff --git a/xfa/fwl/basewidget/fwl_pushbuttonimp.h b/xfa/fwl/basewidget/fwl_pushbuttonimp.h
new file mode 100644
index 0000000000..32d8f6c4e2
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_pushbuttonimp.h
@@ -0,0 +1,65 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_PushButtonImpDelegate;
+
+class CFWL_PushButtonImp : public CFWL_WidgetImp {
+ public:
+  CFWL_PushButtonImp(const CFWL_WidgetImpProperties& properties,
+                     IFWL_Widget* pOuter);
+  virtual ~CFWL_PushButtonImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+
+ protected:
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  void DrawText(CFX_Graphics* pGraphics,
+                IFWL_ThemeProvider* pTheme,
+                const CFX_Matrix* pMatrix);
+  FX_DWORD GetPartStates();
+  void UpdateTextOutStyles();
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtCaption;
+  FX_BOOL m_bBtnDown;
+  FX_DWORD m_dwTTOStyles;
+  int32_t m_iTTOAlign;
+  friend class CFWL_PushButtonImpDelegate;
+};
+class CFWL_PushButtonImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_PushButtonImpDelegate(CFWL_PushButtonImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+  CFWL_PushButtonImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_PUSHBUTTONIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_scrollbarimp.cpp b/xfa/fwl/basewidget/fwl_scrollbarimp.cpp
new file mode 100644
index 0000000000..86c78890d8
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_scrollbarimp.cpp
@@ -0,0 +1,805 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_scrollbarimp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+#define FWL_SCROLLBAR_Elapse 500
+#define FWL_SCROLLBAR_MinThumb 5
+
+// static
+IFWL_ScrollBar* IFWL_ScrollBar::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar;
+  CFWL_ScrollBarImp* pScrollBarImpl = new CFWL_ScrollBarImp(properties, pOuter);
+  pScrollBar->SetImpl(pScrollBarImpl);
+  pScrollBarImpl->SetInterface(pScrollBar);
+  return pScrollBar;
+}
+IFWL_ScrollBar::IFWL_ScrollBar() {}
+FX_BOOL IFWL_ScrollBar::IsVertical() {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->IsVertical();
+}
+FWL_ERR IFWL_ScrollBar::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetRange(fMin, fMax);
+}
+FWL_ERR IFWL_ScrollBar::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetRange(fMin, fMax);
+}
+FX_FLOAT IFWL_ScrollBar::GetPageSize() {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPageSize();
+}
+FWL_ERR IFWL_ScrollBar::SetPageSize(FX_FLOAT fPageSize) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPageSize(fPageSize);
+}
+FX_FLOAT IFWL_ScrollBar::GetStepSize() {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetStepSize();
+}
+FWL_ERR IFWL_ScrollBar::SetStepSize(FX_FLOAT fStepSize) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetStepSize(fStepSize);
+}
+FX_FLOAT IFWL_ScrollBar::GetPos() {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPos();
+}
+FWL_ERR IFWL_ScrollBar::SetPos(FX_FLOAT fPos) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPos(fPos);
+}
+FX_FLOAT IFWL_ScrollBar::GetTrackPos() {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetTrackPos();
+}
+FWL_ERR IFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetTrackPos(fTrackPos);
+}
+FX_BOOL IFWL_ScrollBar::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->DoScroll(dwCode, fPos);
+}
+CFWL_ScrollBarImp::CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_hTimer(nullptr),
+      m_fRangeMin(0),
+      m_fRangeMax(-1),
+      m_fPageSize(0),
+      m_fStepSize(0),
+      m_fPos(0),
+      m_fTrackPos(0),
+      m_iMinButtonState(FWL_PARTSTATE_SCB_Normal),
+      m_iMaxButtonState(FWL_PARTSTATE_SCB_Normal),
+      m_iThumbButtonState(FWL_PARTSTATE_SCB_Normal),
+      m_iMinTrackState(FWL_PARTSTATE_SCB_Normal),
+      m_iMaxTrackState(FWL_PARTSTATE_SCB_Normal),
+      m_fLastTrackPos(0),
+      m_cpTrackPointX(0),
+      m_cpTrackPointY(0),
+      m_iMouseWheel(0),
+      m_bTrackMouseLeave(FALSE),
+      m_bMouseHover(FALSE),
+      m_bMouseDown(FALSE),
+      m_bRepaintThumb(FALSE),
+      m_fButtonLen(0),
+      m_bMinSize(FALSE),
+      m_bCustomLayout(FALSE),
+      m_fMinThumb(FWL_SCROLLBAR_MinThumb) {
+  m_rtClient.Reset();
+  m_rtThumb.Reset();
+  m_rtMinBtn.Reset();
+  m_rtMaxBtn.Reset();
+  m_rtMinTrack.Reset();
+  m_rtMaxTrack.Reset();
+}
+CFWL_ScrollBarImp::~CFWL_ScrollBarImp() {}
+FWL_ERR CFWL_ScrollBarImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_ScrollBar;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ScrollBarImp::GetClassID() const {
+  return FWL_CLASSHASH_ScrollBar;
+}
+FWL_ERR CFWL_ScrollBarImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_ScrollBarImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_ScrollBarImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>(
+        GetThemeCapacity(FWL_WGTCAPACITY_ScrollBarWidth));
+    if (!pfMinWidth)
+      return FWL_ERR_Indefinite;
+    if (IsVertical()) {
+      rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3);
+    } else {
+      rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth));
+    }
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  Layout();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::DrawWidget(CFX_Graphics* pGraphics,
+                                      const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_SCB_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_SCB_Edge, pTheme, pMatrix);
+  }
+  DrawTrack(pGraphics, pTheme, TRUE, pMatrix);
+  DrawTrack(pGraphics, pTheme, FALSE, pMatrix);
+  DrawArrowBtn(pGraphics, pTheme, TRUE, pMatrix);
+  DrawArrowBtn(pGraphics, pTheme, FALSE, pMatrix);
+  DrawThumb(pGraphics, pTheme, pMatrix);
+  return FWL_ERR_Succeeded;
+}
+inline FX_BOOL CFWL_ScrollBarImp::IsVertical() {
+  return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert;
+}
+FWL_ERR CFWL_ScrollBarImp::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
+  fMin = m_fRangeMin;
+  fMax = m_fRangeMax;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ScrollBarImp::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
+  m_fRangeMin = fMin;
+  m_fRangeMax = fMax;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetPageSize() {
+  return m_fPageSize;
+}
+FWL_ERR CFWL_ScrollBarImp::SetPageSize(FX_FLOAT fPageSize) {
+  m_fPageSize = fPageSize;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetStepSize() {
+  return m_fStepSize;
+}
+FWL_ERR CFWL_ScrollBarImp::SetStepSize(FX_FLOAT fStepSize) {
+  m_fStepSize = fStepSize;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetPos() {
+  return m_fPos;
+}
+FWL_ERR CFWL_ScrollBarImp::SetPos(FX_FLOAT fPos) {
+  m_fPos = fPos;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ScrollBarImp::GetTrackPos() {
+  return m_fTrackPos;
+}
+FWL_ERR CFWL_ScrollBarImp::SetTrackPos(FX_FLOAT fTrackPos) {
+  m_fTrackPos = fTrackPos;
+  CalcThumbButtonRect(m_rtThumb);
+  CalcMinTrackRect(m_rtMinTrack);
+  CalcMaxTrackRect(m_rtMaxTrack);
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_ScrollBarImp::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+  switch (dwCode) {
+    case FWL_SCBCODE_Min:
+    case FWL_SCBCODE_Max:
+    case FWL_SCBCODE_PageBackward:
+    case FWL_SCBCODE_PageForward:
+    case FWL_SCBCODE_StepBackward:
+      break;
+    case FWL_SCBCODE_StepForward:
+      break;
+    case FWL_SCBCODE_Pos:
+    case FWL_SCBCODE_TrackPos:
+    case FWL_SCBCODE_EndScroll:
+      break;
+    default: { return FALSE; }
+  }
+  return OnScroll(dwCode, fPos);
+}
+int32_t CFWL_ScrollBarImp::Run(FWL_HTIMER hTimer) {
+  if (m_hTimer) {
+    FWL_StopTimer(m_hTimer);
+  }
+  if (!SendEvent()) {
+    m_hTimer = FWL_StartTimer(this, 0);
+  }
+  return 1;
+}
+FWL_ERR CFWL_ScrollBarImp::SetOuter(IFWL_Widget* pOuter) {
+  m_pOuter = pOuter;
+  return FWL_ERR_Succeeded;
+}
+void CFWL_ScrollBarImp::DrawTrack(CFX_Graphics* pGraphics,
+                                  IFWL_ThemeProvider* pTheme,
+                                  FX_BOOL bLower,
+                                  const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = bLower ? FWL_PART_SCB_LowerTrack : FWL_PART_SCB_UpperTrack;
+  param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+                         ? FWL_PARTSTATE_SCB_Disabled
+                         : (bLower ? m_iMinTrackState : m_iMaxTrackState);
+  param.m_pGraphics = pGraphics;
+  param.m_matrix.Concat(*pMatrix);
+  param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack;
+  pTheme->DrawBackground(&param);
+}
+void CFWL_ScrollBarImp::DrawArrowBtn(CFX_Graphics* pGraphics,
+                                     IFWL_ThemeProvider* pTheme,
+                                     FX_BOOL bMinBtn,
+                                     const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = bMinBtn ? FWL_PART_SCB_ForeArrow : FWL_PART_SCB_BackArrow;
+  param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+                         ? FWL_PARTSTATE_SCB_Disabled
+                         : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState);
+  param.m_pGraphics = pGraphics;
+  param.m_matrix.Concat(*pMatrix);
+  param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn;
+  if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) {
+    pTheme->DrawBackground(&param);
+  }
+}
+void CFWL_ScrollBarImp::DrawThumb(CFX_Graphics* pGraphics,
+                                  IFWL_ThemeProvider* pTheme,
+                                  const CFX_Matrix* pMatrix) {
+  if (!IsEnabled()) {
+  }
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_SCB_Thumb;
+  param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+                         ? FWL_PARTSTATE_SCB_Disabled
+                         : m_iThumbButtonState;
+  param.m_pGraphics = pGraphics;
+  param.m_matrix.Concat(*pMatrix);
+  param.m_rtPart = m_rtThumb;
+  pTheme->DrawBackground(&param);
+}
+void CFWL_ScrollBarImp::Layout() {
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  CFWL_ThemePart part;
+  part.m_pWidget = m_pInterface;
+  m_fMinThumb = *static_cast<FX_FLOAT*>(
+      pTheme->GetCapacity(&part, FWL_CAPACITY_SCB_Size));
+  m_bCustomLayout = pTheme->IsCustomizedLayout(m_pInterface);
+  GetClientRect(m_rtClient);
+  CalcButtonLen();
+  CalcMinButtonRect(m_rtMinBtn);
+  CalcMaxButtonRect(m_rtMaxBtn);
+  CalcThumbButtonRect(m_rtThumb);
+  CalcMinTrackRect(m_rtMinTrack);
+  CalcMaxTrackRect(m_rtMaxTrack);
+}
+void CFWL_ScrollBarImp::CalcButtonLen() {
+  m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height;
+  FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width;
+  if (fLength < m_fButtonLen * 2) {
+    m_fButtonLen = fLength / 2;
+    m_bMinSize = TRUE;
+  } else {
+    m_bMinSize = FALSE;
+  }
+}
+void CFWL_ScrollBarImp::CalcMinButtonRect(CFX_RectF& rect) {
+  if (m_bCustomLayout) {
+    IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+    CFWL_ThemePart pPart;
+    pPart.m_rtPart = m_rtMinBtn;
+    pPart.m_pWidget = m_pInterface;
+    pPart.m_iPart = FWL_PART_SCB_ForeArrow;
+    pPart.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+                           ? FWL_PARTSTATE_SCB_Disabled
+                           : m_iMinButtonState;
+    pTheme->GetPartRect(&pPart, rect);
+  } else {
+    rect.left = m_rtClient.left;
+    rect.top = m_rtClient.top;
+    rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
+    rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
+  }
+}
+void CFWL_ScrollBarImp::CalcMaxButtonRect(CFX_RectF& rect) {
+  if (m_bCustomLayout) {
+    IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+    CFWL_ThemePart pPart;
+    pPart.m_rtPart = m_rtMaxBtn;
+    pPart.m_pWidget = m_pInterface;
+    pPart.m_iPart = FWL_PART_SCB_BackArrow;
+    pPart.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
+                           ? FWL_PARTSTATE_SCB_Disabled
+                           : m_iMaxButtonState;
+    pTheme->GetPartRect(&pPart, rect);
+  } else {
+    rect.left =
+        IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen;
+    rect.top =
+        IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top;
+    rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
+    rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
+  }
+}
+void CFWL_ScrollBarImp::CalcThumbButtonRect(CFX_RectF& rect) {
+  if (!IsEnabled()) {
+    m_rtThumb.Reset();
+    return;
+  }
+  if (m_bMinSize) {
+    m_rtThumb.Empty();
+    return;
+  }
+  FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
+  memset(&rect, 0, sizeof(CFX_Rect));
+  if (fRange < 0) {
+    if (IsVertical()) {
+      rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0);
+    } else {
+      rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height);
+    }
+    return;
+  }
+  CFX_RectF rtClient = m_rtClient;
+  FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width;
+  FX_FLOAT fSize = m_fButtonLen;
+  if (m_bCustomLayout) {
+    if (IsVertical()) {
+      fLength = fLength - m_rtMinBtn.height - m_rtMaxBtn.height;
+      if (fLength < m_rtMinBtn.height || fLength < m_rtMaxBtn.height) {
+        fLength = 0.0f;
+      }
+    } else {
+      fLength = fLength - m_rtMinBtn.width - m_rtMaxBtn.width;
+      if (fLength < m_rtMinBtn.width || fLength < m_rtMaxBtn.width) {
+        fLength = 0.0f;
+      }
+    }
+  } else {
+    fLength -= fSize * 2.0f;
+    if (fLength < fSize) {
+      fLength = 0.0f;
+    }
+  }
+  FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength);
+  if (fThumbSize < m_fMinThumb) {
+    fThumbSize = m_fMinThumb;
+  }
+  FX_FLOAT fDiff = fLength - fThumbSize;
+  if (fDiff < 0.0f) {
+    fDiff = 0.0f;
+  }
+  FX_FLOAT fTrackPos = m_fTrackPos;
+  if (fTrackPos > m_fRangeMax) {
+    fTrackPos = m_fRangeMax;
+  }
+  if (fTrackPos < m_fRangeMin) {
+    fTrackPos = m_fRangeMin;
+  }
+  if (!fRange)
+    return;
+  if (m_bCustomLayout) {
+    FX_FLOAT iPos = fDiff * (fTrackPos - m_fRangeMin) / fRange;
+    rect.left = rtClient.left;
+    if (!IsVertical()) {
+      if ((m_rtMinBtn.right() == m_rtMaxBtn.left && m_rtMinBtn.width > 0 &&
+           m_rtMaxBtn.width > 0) ||
+          (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width)) {
+        rect.left += iPos;
+      } else {
+        rect.left += m_rtMinBtn.right() + iPos;
+      }
+    }
+    rect.top = rtClient.top;
+    if (IsVertical()) {
+      if ((m_rtMinBtn.bottom() == m_rtMaxBtn.top && m_rtMinBtn.height > 0 &&
+           m_rtMaxBtn.height > 0) ||
+          (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height)) {
+        rect.top += iPos;
+      } else {
+        rect.top += m_rtMinBtn.bottom() + iPos;
+      }
+    }
+    rect.width = IsVertical() ? rtClient.width : fThumbSize;
+    rect.height = IsVertical() ? fThumbSize : rtClient.height;
+  } else {
+    FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange;
+    rect.left = rtClient.left;
+    if (!IsVertical()) {
+      rect.left += iPos;
+    }
+    rect.top = rtClient.top;
+    if (IsVertical()) {
+      rect.top += iPos;
+    }
+    rect.width = IsVertical() ? rtClient.width : fThumbSize;
+    rect.height = IsVertical() ? fThumbSize : rtClient.height;
+  }
+}
+void CFWL_ScrollBarImp::CalcMinTrackRect(CFX_RectF& rect) {
+  if (m_bMinSize) {
+    rect.Empty();
+    return;
+  }
+  FX_FLOAT fBottom = m_rtThumb.bottom();
+  FX_FLOAT fRight = m_rtThumb.right();
+  FX_FLOAT ix = (m_rtThumb.left + fRight) / 2;
+  FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2;
+  rect.left = m_rtClient.left;
+  rect.top = m_rtClient.top;
+  FX_BOOL bVertical = IsVertical();
+  rect.width = bVertical ? m_rtClient.width : ix;
+  rect.height = bVertical ? iy : m_rtClient.height;
+  if (m_bCustomLayout) {
+    if (bVertical) {
+      if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
+        rect.top = m_rtClient.top;
+      } else if (m_rtMinBtn.top < m_rtThumb.top) {
+        rect.top = m_rtMinBtn.bottom();
+        rect.height -= (m_rtMinBtn.bottom() - m_rtClient.top);
+      }
+    } else {
+      if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
+        rect.left = m_rtClient.left;
+      } else if (m_rtMinBtn.left < m_rtThumb.left) {
+        rect.left = m_rtMinBtn.right();
+        rect.width -= (m_rtMinBtn.right() - m_rtClient.left);
+      }
+    }
+  }
+}
+void CFWL_ScrollBarImp::CalcMaxTrackRect(CFX_RectF& rect) {
+  if (m_bMinSize) {
+    rect.Empty();
+    return;
+  }
+  FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2;
+  FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
+  FX_BOOL bVertical = IsVertical();
+  rect.left = bVertical ? m_rtClient.left : ix;
+  rect.top = bVertical ? iy : m_rtClient.top;
+  rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix;
+  rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height;
+  if (m_bCustomLayout) {
+    if (bVertical) {
+      if (m_rtMinBtn.top > m_rtThumb.top && m_rtMinBtn.height > 0 &&
+          m_rtMaxBtn.height > 0) {
+        rect.height -= (m_rtClient.bottom() - m_rtMinBtn.top);
+      } else if (m_rtMinBtn.height > 0 && m_rtMaxBtn.height > 0) {
+        rect.height -= (m_rtClient.bottom() - m_rtMaxBtn.top);
+      }
+    } else {
+      if (m_rtMinBtn.left > m_rtThumb.left && m_rtMinBtn.width > 0 &&
+          m_rtMaxBtn.width > 0) {
+        rect.width -= (m_rtClient.right() - m_rtMinBtn.left);
+      } else if (m_rtMinBtn.width > 0 && m_rtMaxBtn.width > 0) {
+        rect.width -= (m_rtClient.right() - m_rtMaxBtn.left);
+      }
+    }
+  }
+}
+FX_FLOAT CFWL_ScrollBarImp::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) {
+  FX_FLOAT fDiffX = fx - m_cpTrackPointX;
+  FX_FLOAT fDiffY = fy - m_cpTrackPointY;
+  FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
+  FX_FLOAT fPos;
+  if (m_bCustomLayout) {
+    if (IsVertical()) {
+      if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
+        fPos = fRange * fDiffY / (m_rtClient.height - m_rtThumb.height);
+      } else if (m_rtMinBtn.bottom() == m_rtMaxBtn.top) {
+        fPos = fRange * fDiffY /
+               (m_rtMinBtn.top - m_rtClient.top - m_rtThumb.height);
+      } else {
+        fPos = fRange * fDiffY /
+               (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
+      }
+    } else {
+      if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
+        fPos = fRange * fDiffX / (m_rtClient.width - m_rtThumb.width);
+      } else if (m_rtMinBtn.right() == m_rtMaxBtn.left) {
+        fPos = fRange * fDiffX /
+               (m_rtMinBtn.left - m_rtClient.left - m_rtThumb.width);
+      } else {
+        fPos = fRange * fDiffX /
+               (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
+      }
+    }
+  } else {
+    if (IsVertical()) {
+      fPos = fRange * fDiffY /
+             (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
+    } else {
+      fPos = fRange * fDiffX /
+             (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
+    }
+  }
+  fPos += m_fLastTrackPos;
+  if (fPos < m_fRangeMin) {
+    fPos = m_fRangeMin;
+  }
+  if (fPos > m_fRangeMax) {
+    fPos = m_fRangeMax;
+  }
+  return fPos;
+}
+void CFWL_ScrollBarImp::GetTrackRect(CFX_RectF& rect, FX_BOOL bLower) {
+  FX_BOOL bDisabled = m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled;
+  if (bDisabled || m_bCustomLayout) {
+    rect = bLower ? m_rtMinTrack : m_rtMaxTrack;
+  } else {
+    FX_FLOAT fW = m_rtThumb.width / 2;
+    FX_FLOAT fH = m_rtThumb.height / 2;
+    FX_BOOL bVert = IsVertical();
+    if (bLower) {
+      if (bVert) {
+        FX_FLOAT fMinTrackHeight = m_rtMinTrack.height - fH - m_rtMinBtn.height;
+        fMinTrackHeight = (fMinTrackHeight >= 0.0f) ? fMinTrackHeight : 0.0f;
+        rect.Set(m_rtMinTrack.left, m_rtMinTrack.top + m_rtMinBtn.height,
+                 m_rtMinTrack.width, fMinTrackHeight);
+      } else {
+        FX_FLOAT fMinTrackWidth =
+            m_rtMinTrack.width - fW - m_rtMinBtn.width + 2;
+        fMinTrackWidth = (fMinTrackWidth >= 0.0f) ? fMinTrackWidth : 0.0f;
+        rect.Set(m_rtMinTrack.left + m_rtMinBtn.width - 1, m_rtMinTrack.top,
+                 fMinTrackWidth, m_rtMinTrack.height);
+      }
+    } else {
+      if (bVert) {
+        FX_FLOAT fMaxTrackHeight = m_rtMaxTrack.height - fH - m_rtMaxBtn.height;
+        fMaxTrackHeight = (fMaxTrackHeight >= 0.0f) ? fMaxTrackHeight : 0.0f;
+        rect.Set(m_rtMaxTrack.left, m_rtMaxTrack.top + fH, m_rtMaxTrack.width,
+                 fMaxTrackHeight);
+      } else {
+        FX_FLOAT fMaxTrackWidth =
+            m_rtMaxTrack.width - fW - m_rtMaxBtn.width + 2;
+        fMaxTrackWidth = (fMaxTrackWidth >= 0.0f) ? fMaxTrackWidth : 0.0f;
+        rect.Set(m_rtMaxTrack.left + fW, m_rtMaxTrack.top, fMaxTrackWidth,
+                 m_rtMaxTrack.height);
+      }
+    }
+  }
+}
+FX_BOOL CFWL_ScrollBarImp::SendEvent() {
+  if (m_iMinButtonState == FWL_PARTSTATE_SCB_Pressed) {
+    DoScroll(FWL_SCBCODE_StepBackward, m_fTrackPos);
+    return FALSE;
+  }
+  if (m_iMaxButtonState == FWL_PARTSTATE_SCB_Pressed) {
+    DoScroll(FWL_SCBCODE_StepForward, m_fTrackPos);
+    return FALSE;
+  }
+  if (m_iMinTrackState == FWL_PARTSTATE_SCB_Pressed) {
+    DoScroll(FWL_SCBCODE_PageBackward, m_fTrackPos);
+    return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
+  }
+  if (m_iMaxTrackState == FWL_PARTSTATE_SCB_Pressed) {
+    DoScroll(FWL_SCBCODE_PageForward, m_fTrackPos);
+    return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
+  }
+  if (m_iMouseWheel) {
+    FX_WORD dwCode =
+        m_iMouseWheel < 0 ? FWL_SCBCODE_StepForward : FWL_SCBCODE_StepBackward;
+    DoScroll(dwCode, m_fTrackPos);
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_ScrollBarImp::OnScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+  FX_BOOL bRet = TRUE;
+  CFWL_EvtScroll ev;
+  ev.m_iScrollCode = dwCode;
+  ev.m_pSrcTarget = m_pInterface;
+  ev.m_fPos = fPos;
+  ev.m_pRet = &bRet;
+  DispatchEvent(&ev);
+  return bRet;
+}
+CFWL_ScrollBarImpDelegate::CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_ScrollBarImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  int32_t iRet = 1;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  if (dwMsgCode == FWL_MSGHASH_Mouse) {
+    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+    FX_DWORD dwCmd = pMsg->m_dwCmd;
+    switch (dwCmd) {
+      case FWL_MSGMOUSECMD_LButtonDown: {
+        OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
+        break;
+      }
+      case FWL_MSGMOUSECMD_LButtonUp: {
+        OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
+        break;
+      }
+      case FWL_MSGMOUSECMD_MouseMove: {
+        OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
+        break;
+      }
+      case FWL_MSGMOUSECMD_MouseLeave: {
+        OnMouseLeave();
+        break;
+      }
+      default: { iRet = 0; }
+    }
+  } else if (dwMsgCode == FWL_MSGHASH_MouseWheel) {
+    CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage);
+    OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX,
+                 pMsg->m_fDeltaY);
+  } else {
+    iRet = 0;
+  }
+  return iRet;
+}
+FWL_ERR CFWL_ScrollBarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_ScrollBarImpDelegate::OnLButtonDown(FX_DWORD dwFlags,
+                                              FX_FLOAT fx,
+                                              FX_FLOAT fy) {
+  if (!m_pOwner->IsEnabled()) {
+    return;
+  }
+  m_pOwner->m_bMouseDown = TRUE;
+  m_pOwner->SetGrab(TRUE);
+  m_pOwner->m_cpTrackPointX = fx;
+  m_pOwner->m_cpTrackPointY = fy;
+  m_pOwner->m_fLastTrackPos = m_pOwner->m_fTrackPos;
+  if (m_pOwner->m_rtMinBtn.Contains(fx, fy)) {
+    DoMouseDown(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
+  } else {
+    if (m_pOwner->m_rtThumb.Contains(fx, fy)) {
+      DoMouseDown(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx,
+                  fy);
+    } else {
+      if (m_pOwner->m_rtMaxBtn.Contains(fx, fy)) {
+        DoMouseDown(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx,
+                    fy);
+      } else {
+        if (m_pOwner->m_rtMinTrack.Contains(fx, fy)) {
+          DoMouseDown(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx,
+                      fy);
+        } else {
+          DoMouseDown(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx,
+                      fy);
+        }
+      }
+    }
+  }
+  if (!m_pOwner->SendEvent()) {
+    m_pOwner->m_hTimer = FWL_StartTimer(m_pOwner, FWL_SCROLLBAR_Elapse);
+  }
+}
+void CFWL_ScrollBarImpDelegate::OnLButtonUp(FX_DWORD dwFlags,
+                                            FX_FLOAT fx,
+                                            FX_FLOAT fy) {
+  FWL_StopTimer(m_pOwner->m_hTimer);
+  m_pOwner->m_bMouseDown = FALSE;
+  DoMouseUp(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
+  DoMouseUp(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
+  DoMouseUp(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
+  DoMouseUp(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
+  DoMouseUp(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
+  m_pOwner->SetGrab(FALSE);
+}
+void CFWL_ScrollBarImpDelegate::OnMouseMove(FX_DWORD dwFlags,
+                                            FX_FLOAT fx,
+                                            FX_FLOAT fy) {
+  DoMouseMove(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
+  DoMouseMove(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
+  DoMouseMove(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
+  DoMouseMove(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
+  DoMouseMove(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
+}
+void CFWL_ScrollBarImpDelegate::OnMouseLeave() {
+  DoMouseLeave(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState);
+  DoMouseLeave(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState);
+  DoMouseLeave(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState);
+  DoMouseLeave(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState);
+  DoMouseLeave(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState);
+}
+void CFWL_ScrollBarImpDelegate::OnMouseWheel(FX_FLOAT fx,
+                                             FX_FLOAT fy,
+                                             FX_DWORD dwFlags,
+                                             FX_FLOAT fDeltaX,
+                                             FX_FLOAT fDeltaY) {
+  m_pOwner->m_iMouseWheel = (int32_t)fDeltaX;
+  m_pOwner->SendEvent();
+  m_pOwner->m_iMouseWheel = 0;
+}
+void CFWL_ScrollBarImpDelegate::DoMouseDown(int32_t iItem,
+                                            const CFX_RectF& rtItem,
+                                            int32_t& iState,
+                                            FX_FLOAT fx,
+                                            FX_FLOAT fy) {
+  if (!rtItem.Contains(fx, fy)) {
+    return;
+  }
+  if (iState == FWL_PARTSTATE_SCB_Pressed) {
+    return;
+  }
+  iState = FWL_PARTSTATE_SCB_Pressed;
+  m_pOwner->Repaint(&rtItem);
+}
+void CFWL_ScrollBarImpDelegate::DoMouseUp(int32_t iItem,
+                                          const CFX_RectF& rtItem,
+                                          int32_t& iState,
+                                          FX_FLOAT fx,
+                                          FX_FLOAT fy) {
+  int32_t iNewState = rtItem.Contains(fx, fy) ? FWL_PARTSTATE_SCB_Hovered
+                                              : FWL_PARTSTATE_SCB_Normal;
+  if (iState == iNewState) {
+    return;
+  }
+  iState = iNewState;
+  m_pOwner->Repaint(&rtItem);
+  m_pOwner->OnScroll(FWL_SCBCODE_EndScroll, m_pOwner->m_fTrackPos);
+}
+void CFWL_ScrollBarImpDelegate::DoMouseMove(int32_t iItem,
+                                            const CFX_RectF& rtItem,
+                                            int32_t& iState,
+                                            FX_FLOAT fx,
+                                            FX_FLOAT fy) {
+  if (!m_pOwner->m_bMouseDown) {
+    int32_t iNewState = rtItem.Contains(fx, fy) ? FWL_PARTSTATE_SCB_Hovered
+                                                : FWL_PARTSTATE_SCB_Normal;
+    if (iState == iNewState) {
+      return;
+    }
+    iState = iNewState;
+    m_pOwner->Repaint(&rtItem);
+  } else if ((2 == iItem) &&
+             (m_pOwner->m_iThumbButtonState == FWL_PARTSTATE_SCB_Pressed)) {
+    FX_FLOAT fPos = m_pOwner->GetTrackPointPos(fx, fy);
+    m_pOwner->m_fTrackPos = fPos;
+    m_pOwner->OnScroll(FWL_SCBCODE_TrackPos, fPos);
+  }
+}
+void CFWL_ScrollBarImpDelegate::DoMouseLeave(int32_t iItem,
+                                             const CFX_RectF& rtItem,
+                                             int32_t& iState) {
+  if (iState == FWL_PARTSTATE_SCB_Normal) {
+    return;
+  }
+  iState = FWL_PARTSTATE_SCB_Normal;
+  m_pOwner->Repaint(&rtItem);
+}
+void CFWL_ScrollBarImpDelegate::DoMouseHover(int32_t iItem,
+                                             const CFX_RectF& rtItem,
+                                             int32_t& iState) {
+  if (iState == FWL_PARTSTATE_SCB_Hovered) {
+    return;
+  }
+  iState = FWL_PARTSTATE_SCB_Hovered;
+  m_pOwner->Repaint(&rtItem);
+}
diff --git a/xfa/fwl/basewidget/fwl_scrollbarimp.h b/xfa/fwl/basewidget/fwl_scrollbarimp.h
new file mode 100644
index 0000000000..2e378a677c
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_scrollbarimp.h
@@ -0,0 +1,139 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_SCROLLBARIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_SCROLLBARIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_timer.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_ScrollBarImpDelegate;
+
+class CFWL_ScrollBarImp : public CFWL_WidgetImp, public IFWL_Timer {
+ public:
+  CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties,
+                    IFWL_Widget* pOuter);
+  ~CFWL_ScrollBarImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FX_BOOL IsVertical();
+  virtual FWL_ERR GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax);
+  virtual FWL_ERR SetRange(FX_FLOAT fMin, FX_FLOAT fMax);
+  virtual FX_FLOAT GetPageSize();
+  virtual FWL_ERR SetPageSize(FX_FLOAT fPageSize);
+  virtual FX_FLOAT GetStepSize();
+  virtual FWL_ERR SetStepSize(FX_FLOAT fStepSize);
+  virtual FX_FLOAT GetPos();
+  virtual FWL_ERR SetPos(FX_FLOAT fPos);
+  virtual FX_FLOAT GetTrackPos();
+  virtual FWL_ERR SetTrackPos(FX_FLOAT fTrackPos);
+  virtual FX_BOOL DoScroll(FX_DWORD dwCode, FX_FLOAT fPos = 0.0f);
+  virtual FWL_ERR SetOuter(IFWL_Widget* pOuter);
+  virtual int32_t Run(FWL_HTIMER hTimer);
+
+ protected:
+  void DrawTrack(CFX_Graphics* pGraphics,
+                 IFWL_ThemeProvider* pTheme,
+                 FX_BOOL bLower = TRUE,
+                 const CFX_Matrix* pMatrix = NULL);
+  void DrawArrowBtn(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    FX_BOOL bMinBtn = TRUE,
+                    const CFX_Matrix* pMatrix = NULL);
+  void DrawThumb(CFX_Graphics* pGraphics,
+                 IFWL_ThemeProvider* pTheme,
+                 const CFX_Matrix* pMatrix = NULL);
+  void Layout();
+  void CalcButtonLen();
+  void CalcMinButtonRect(CFX_RectF& rect);
+  void CalcMaxButtonRect(CFX_RectF& rect);
+  void CalcThumbButtonRect(CFX_RectF& rect);
+  void CalcMinTrackRect(CFX_RectF& rect);
+  void CalcMaxTrackRect(CFX_RectF& rect);
+  FX_FLOAT GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy);
+  void GetTrackRect(CFX_RectF& rect, FX_BOOL bLower = TRUE);
+  FX_BOOL SendEvent();
+  FX_BOOL OnScroll(FX_DWORD dwCode, FX_FLOAT fPos);
+
+  FWL_HTIMER m_hTimer;
+  FX_FLOAT m_fRangeMin;
+  FX_FLOAT m_fRangeMax;
+  FX_FLOAT m_fPageSize;
+  FX_FLOAT m_fStepSize;
+  FX_FLOAT m_fPos;
+  FX_FLOAT m_fTrackPos;
+  int32_t m_iMinButtonState;
+  int32_t m_iMaxButtonState;
+  int32_t m_iThumbButtonState;
+  int32_t m_iMinTrackState;
+  int32_t m_iMaxTrackState;
+  FX_FLOAT m_fLastTrackPos;
+  FX_FLOAT m_cpTrackPointX;
+  FX_FLOAT m_cpTrackPointY;
+  int32_t m_iMouseWheel;
+  FX_BOOL m_bTrackMouseLeave;
+  FX_BOOL m_bMouseHover;
+  FX_BOOL m_bMouseDown;
+  FX_BOOL m_bRepaintThumb;
+  FX_FLOAT m_fButtonLen;
+  FX_BOOL m_bMinSize;
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtThumb;
+  CFX_RectF m_rtMinBtn;
+  CFX_RectF m_rtMaxBtn;
+  CFX_RectF m_rtMinTrack;
+  CFX_RectF m_rtMaxTrack;
+  FX_BOOL m_bCustomLayout;
+  FX_FLOAT m_fMinThumb;
+  friend class CFWL_ScrollBarImpDelegate;
+};
+class CFWL_ScrollBarImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnLButtonDown(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  void OnLButtonUp(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  void OnMouseMove(FX_DWORD dwFlags, FX_FLOAT fx, FX_FLOAT fy);
+  void OnMouseLeave();
+  void OnMouseWheel(FX_FLOAT fx,
+                    FX_FLOAT fy,
+                    FX_DWORD dwFlags,
+                    FX_FLOAT fDeltaX,
+                    FX_FLOAT fDeltaY);
+  void DoMouseDown(int32_t iItem,
+                   const CFX_RectF& rtItem,
+                   int32_t& iState,
+                   FX_FLOAT fx,
+                   FX_FLOAT fy);
+  void DoMouseUp(int32_t iItem,
+                 const CFX_RectF& rtItem,
+                 int32_t& iState,
+                 FX_FLOAT fx,
+                 FX_FLOAT fy);
+  void DoMouseMove(int32_t iItem,
+                   const CFX_RectF& rtItem,
+                   int32_t& iState,
+                   FX_FLOAT fx,
+                   FX_FLOAT fy);
+  void DoMouseLeave(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState);
+  void DoMouseHover(int32_t iItem, const CFX_RectF& rtItem, int32_t& iState);
+
+  CFWL_ScrollBarImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_SCROLLBARIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_spinbuttonimp.cpp b/xfa/fwl/basewidget/fwl_spinbuttonimp.cpp
new file mode 100644
index 0000000000..9493cbbc7d
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_spinbuttonimp.cpp
@@ -0,0 +1,429 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_spinbuttonimp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_spinbutton.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+#include "xfa/include/fwl/core/fwl_timer.h"
+
+#define FWL_SPN_MinWidth 18
+#define FWL_SPN_MinHeight 32
+#define FWL_SPIN_Elapse 200
+
+// static
+IFWL_SpinButton* IFWL_SpinButton::Create(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter) {
+  IFWL_SpinButton* pSpinButton = new IFWL_SpinButton;
+  CFWL_SpinButtonImp* pSpinButtonImpl =
+      new CFWL_SpinButtonImp(properties, nullptr);
+  pSpinButton->SetImpl(pSpinButtonImpl);
+  pSpinButtonImpl->SetInterface(pSpinButton);
+  return pSpinButton;
+}
+IFWL_SpinButton::IFWL_SpinButton() {}
+FWL_ERR IFWL_SpinButton::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) {
+  return static_cast<CFWL_SpinButtonImp*>(GetImpl())
+      ->EnableButton(bEnable, bUp);
+}
+FX_BOOL IFWL_SpinButton::IsButtonEnable(FX_BOOL bUp) {
+  return static_cast<CFWL_SpinButtonImp*>(GetImpl())->IsButtonEnable(bUp);
+}
+
+CFWL_SpinButtonImp::CFWL_SpinButtonImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_dwUpState(FWL_PARTSTATE_SPB_Normal),
+      m_dwDnState(FWL_PARTSTATE_SPB_Normal),
+      m_iButtonIndex(0),
+      m_bLButtonDwn(FALSE),
+      m_hTimer(NULL) {
+  m_rtClient.Reset();
+  m_rtUpButton.Reset();
+  m_rtDnButton.Reset();
+  m_pProperties->m_dwStyleExes |= FWL_STYLEEXE_SPB_Vert;
+}
+CFWL_SpinButtonImp::~CFWL_SpinButtonImp() {}
+FWL_ERR CFWL_SpinButtonImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_SpinButton;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_SpinButtonImp::GetClassID() const {
+  return FWL_CLASSHASH_SpinButton;
+}
+FWL_ERR CFWL_SpinButtonImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_SpinButtonImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SpinButtonImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_SpinButtonImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, FWL_SPN_MinWidth, FWL_SPN_MinHeight);
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SpinButtonImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  GetClientRect(m_rtClient);
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXE_SPB_Vert) {
+    m_rtUpButton.Set(m_rtClient.top, m_rtClient.left, m_rtClient.width,
+                     m_rtClient.height / 2);
+    m_rtDnButton.Set(m_rtClient.left, m_rtClient.top + m_rtClient.height / 2,
+                     m_rtClient.width, m_rtClient.height / 2);
+  } else {
+    m_rtUpButton.Set(m_rtClient.left, m_rtClient.top, m_rtClient.width / 2,
+                     m_rtClient.height);
+    m_rtDnButton.Set(m_rtClient.left + m_rtClient.width / 2, m_rtClient.top,
+                     m_rtClient.width / 2, m_rtClient.height);
+  }
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_SpinButtonImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_rtClient.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (HasBorder() && (m_rtClient.Contains(fx, fy))) {
+    return FWL_WGTHITTEST_Border;
+  }
+  if (HasEdge()) {
+    CFX_RectF rtEdge;
+    GetEdgeRect(rtEdge);
+    if (rtEdge.Contains(fx, fy)) {
+      return FWL_PART_SPB_Edge;
+    }
+  }
+  if (m_rtUpButton.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_SPB_UpButton;
+  }
+  if (m_rtDnButton.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_SPB_DownButton;
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FWL_ERR CFWL_SpinButtonImp::DrawWidget(CFX_Graphics* pGraphics,
+                                       const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  CFX_RectF rtClip(m_rtClient);
+  if (pMatrix != NULL) {
+    pMatrix->TransformRect(rtClip);
+  }
+  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
+  if (HasBorder()) {
+    DrawBorder(pGraphics, FWL_PART_SPB_Border, pTheme, pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, FWL_PART_SPB_Edge, pTheme, pMatrix);
+  }
+  DrawUpButton(pGraphics, pTheme, pMatrix);
+  DrawDownButton(pGraphics, pTheme, pMatrix);
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_SpinButtonImp::Run(FWL_HTIMER hTimer) {
+  if (m_hTimer) {
+    CFWL_EvtSpbClick wmPosChanged;
+    wmPosChanged.m_pSrcTarget = m_pInterface;
+    wmPosChanged.m_bUp = m_iButtonIndex == 0;
+    DispatchEvent(&wmPosChanged);
+  }
+  return 1;
+}
+FWL_ERR CFWL_SpinButtonImp::EnableButton(FX_BOOL bEnable, FX_BOOL bUp) {
+  if (bUp) {
+    if (bEnable) {
+      m_dwUpState = FWL_PARTSTATE_SPB_Normal;
+    } else {
+      m_dwUpState = FWL_PARTSTATE_SPB_Disabled;
+    }
+  } else {
+    if (bEnable) {
+      m_dwDnState = FWL_PARTSTATE_SPB_Normal;
+    } else {
+      m_dwDnState = FWL_PARTSTATE_SPB_Disabled;
+    }
+  }
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_SpinButtonImp::IsButtonEnable(FX_BOOL bUp) {
+  if (bUp) {
+    return (m_dwUpState != FWL_PARTSTATE_SPB_Disabled);
+  }
+  return (m_dwDnState != FWL_PARTSTATE_SPB_Disabled);
+}
+void CFWL_SpinButtonImp::DrawUpButton(CFX_Graphics* pGraphics,
+                                      IFWL_ThemeProvider* pTheme,
+                                      const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_SPB_UpButton;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_dwUpState + 1;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  params.m_rtPart = m_rtUpButton;
+  pTheme->DrawBackground(&params);
+}
+void CFWL_SpinButtonImp::DrawDownButton(CFX_Graphics* pGraphics,
+                                        IFWL_ThemeProvider* pTheme,
+                                        const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground params;
+  params.m_pWidget = m_pInterface;
+  params.m_iPart = FWL_PART_SPB_DownButton;
+  params.m_pGraphics = pGraphics;
+  params.m_dwStates = m_dwDnState + 1;
+  if (pMatrix) {
+    params.m_matrix.Concat(*pMatrix);
+  }
+  params.m_rtPart = m_rtDnButton;
+  pTheme->DrawBackground(&params);
+}
+CFWL_SpinButtonImpDelegate::CFWL_SpinButtonImpDelegate(
+    CFWL_SpinButtonImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_SpinButtonImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  int32_t iRet = 1;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_SetFocus:
+    case FWL_MSGHASH_KillFocus: {
+      OnFocusChanged(pMessage, dwMsgCode == FWL_MSGHASH_SetFocus);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      FX_DWORD dwCmd = pMsg->m_dwCmd;
+      switch (dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMsg);
+          break;
+        }
+        default: {}
+      }
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
+      if (pKey->m_dwCmd == FWL_MSGKEYCMD_KeyDown) {
+        OnKeyDown(pKey);
+      }
+      break;
+    }
+    default: {
+      iRet = 0;
+      break;
+    }
+  }
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+  return iRet;
+}
+FWL_ERR CFWL_SpinButtonImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SpinButtonImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                                 const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_SpinButtonImpDelegate::OnFocusChanged(CFWL_Message* pMsg,
+                                                FX_BOOL bSet) {
+  if (bSet) {
+    m_pOwner->m_pProperties->m_dwStates |= (FWL_WGTSTATE_Focused);
+  } else {
+    m_pOwner->m_pProperties->m_dwStates &= ~(FWL_WGTSTATE_Focused);
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_SpinButtonImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  m_pOwner->m_bLButtonDwn = TRUE;
+  m_pOwner->SetGrab(TRUE);
+  m_pOwner->SetFocus(TRUE);
+  if (!m_pOwner->m_pProperties->m_pDataProvider)
+    return;
+  FX_BOOL bUpPress = (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy) &&
+                      m_pOwner->IsButtonEnable(TRUE));
+  FX_BOOL bDnPress = (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy) &&
+                      m_pOwner->IsButtonEnable(FALSE));
+  if (!bUpPress && !bDnPress) {
+    return;
+  }
+  if (bUpPress) {
+    m_pOwner->m_iButtonIndex = 0;
+    m_pOwner->m_dwUpState = FWL_PARTSTATE_SPB_Pressed;
+  }
+  if (bDnPress) {
+    m_pOwner->m_iButtonIndex = 1;
+    m_pOwner->m_dwDnState = FWL_PARTSTATE_SPB_Pressed;
+  }
+  CFWL_EvtSpbClick wmPosChanged;
+  wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
+  wmPosChanged.m_bUp = bUpPress;
+  m_pOwner->DispatchEvent(&wmPosChanged);
+  m_pOwner->Repaint(bUpPress ? &m_pOwner->m_rtUpButton
+                             : &m_pOwner->m_rtDnButton);
+  m_pOwner->m_hTimer = FWL_StartTimer(m_pOwner, FWL_SPIN_Elapse);
+}
+void CFWL_SpinButtonImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_pProperties->m_dwStates & FWL_PARTSTATE_SPB_Disabled) {
+    return;
+  }
+  m_pOwner->m_bLButtonDwn = FALSE;
+  m_pOwner->SetGrab(FALSE);
+  m_pOwner->SetFocus(FALSE);
+  if (m_pOwner->m_hTimer) {
+    FWL_StopTimer(m_pOwner->m_hTimer);
+    m_pOwner->m_hTimer = NULL;
+  }
+  FX_BOOL bRepaint = FALSE;
+  CFX_RectF rtInvalidate;
+  if (m_pOwner->m_dwUpState == FWL_PARTSTATE_SPB_Pressed &&
+      m_pOwner->IsButtonEnable(TRUE)) {
+    m_pOwner->m_dwUpState = FWL_PARTSTATE_SPB_Normal;
+    bRepaint = TRUE;
+    rtInvalidate = m_pOwner->m_rtUpButton;
+  } else if (m_pOwner->m_dwDnState == FWL_PARTSTATE_SPB_Pressed &&
+             m_pOwner->IsButtonEnable(FALSE)) {
+    m_pOwner->m_dwDnState = FWL_PARTSTATE_SPB_Normal;
+    bRepaint = TRUE;
+    rtInvalidate = m_pOwner->m_rtDnButton;
+  }
+  if (bRepaint) {
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+void CFWL_SpinButtonImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (!m_pOwner->m_pProperties->m_pDataProvider)
+    return;
+  if (m_pOwner->m_bLButtonDwn) {
+    return;
+  }
+  FX_BOOL bRepaint = FALSE;
+  CFX_RectF rtInvlidate;
+  rtInvlidate.Reset();
+  if (m_pOwner->m_rtUpButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (m_pOwner->IsButtonEnable(TRUE)) {
+      if (m_pOwner->m_dwUpState == FWL_PARTSTATE_SPB_Hovered) {
+        m_pOwner->m_dwUpState = FWL_PARTSTATE_SPB_Hovered;
+        bRepaint = TRUE;
+        rtInvlidate = m_pOwner->m_rtUpButton;
+      }
+      if (m_pOwner->m_dwDnState != FWL_PARTSTATE_SPB_Normal &&
+          m_pOwner->IsButtonEnable(FALSE)) {
+        m_pOwner->m_dwDnState = FWL_PARTSTATE_SPB_Normal;
+        if (bRepaint) {
+          rtInvlidate.Union(m_pOwner->m_rtDnButton);
+        } else {
+          rtInvlidate = m_pOwner->m_rtDnButton;
+        }
+        bRepaint = TRUE;
+      }
+    }
+    if (!m_pOwner->IsButtonEnable(FALSE)) {
+      m_pOwner->EnableButton(FALSE, FALSE);
+    }
+  } else if (m_pOwner->m_rtDnButton.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    if (m_pOwner->IsButtonEnable(FALSE)) {
+      if (m_pOwner->m_dwDnState != FWL_PARTSTATE_SPB_Hovered) {
+        m_pOwner->m_dwDnState = FWL_PARTSTATE_SPB_Hovered;
+        bRepaint = TRUE;
+        rtInvlidate = m_pOwner->m_rtDnButton;
+      }
+      if (m_pOwner->m_dwUpState != FWL_PARTSTATE_SPB_Normal &&
+          m_pOwner->IsButtonEnable(TRUE)) {
+        m_pOwner->m_dwUpState = FWL_PARTSTATE_SPB_Normal;
+        if (bRepaint) {
+          rtInvlidate.Union(m_pOwner->m_rtUpButton);
+        } else {
+          rtInvlidate = m_pOwner->m_rtUpButton;
+        }
+        bRepaint = TRUE;
+      }
+    }
+  } else if (m_pOwner->m_dwUpState != FWL_PARTSTATE_SPB_Normal ||
+             m_pOwner->m_dwDnState != FWL_PARTSTATE_SPB_Normal) {
+    if (m_pOwner->m_dwUpState != FWL_PARTSTATE_SPB_Normal) {
+      m_pOwner->m_dwUpState = FWL_PARTSTATE_SPB_Normal;
+      bRepaint = TRUE;
+      rtInvlidate = m_pOwner->m_rtUpButton;
+    }
+    if (m_pOwner->m_dwDnState != FWL_PARTSTATE_SPB_Normal) {
+      m_pOwner->m_dwDnState = FWL_PARTSTATE_SPB_Normal;
+      if (bRepaint) {
+        rtInvlidate.Union(m_pOwner->m_rtDnButton);
+      } else {
+        rtInvlidate = m_pOwner->m_rtDnButton;
+      }
+      bRepaint = TRUE;
+    }
+  }
+  if (bRepaint) {
+    m_pOwner->Repaint(&rtInvlidate);
+  }
+}
+void CFWL_SpinButtonImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  if (!pMsg)
+    return;
+  if (m_pOwner->m_dwUpState != FWL_PARTSTATE_SPB_Normal &&
+      m_pOwner->IsButtonEnable(TRUE)) {
+    m_pOwner->m_dwUpState = FWL_PARTSTATE_SPB_Normal;
+  }
+  if (m_pOwner->m_dwDnState != FWL_PARTSTATE_SPB_Normal &&
+      m_pOwner->IsButtonEnable(FALSE)) {
+    m_pOwner->m_dwDnState = FWL_PARTSTATE_SPB_Normal;
+  }
+  m_pOwner->Repaint(&m_pOwner->m_rtClient);
+}
+void CFWL_SpinButtonImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
+  if (!m_pOwner->m_pProperties->m_pDataProvider)
+    return;
+  FX_BOOL bUp =
+      pMsg->m_dwKeyCode == FWL_VKEY_Up || pMsg->m_dwKeyCode == FWL_VKEY_Left;
+  FX_BOOL bDown =
+      pMsg->m_dwKeyCode == FWL_VKEY_Down || pMsg->m_dwKeyCode == FWL_VKEY_Right;
+  if (!bUp && !bDown) {
+    return;
+  }
+  FX_BOOL bUpEnable = m_pOwner->IsButtonEnable(TRUE);
+  FX_BOOL bDownEnable = m_pOwner->IsButtonEnable(FALSE);
+  if (!bUpEnable && !bDownEnable) {
+    return;
+  }
+  CFWL_EvtSpbClick wmPosChanged;
+  wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
+  wmPosChanged.m_bUp = bUpEnable;
+  m_pOwner->DispatchEvent(&wmPosChanged);
+  m_pOwner->Repaint(bUpEnable ? &m_pOwner->m_rtUpButton
+                              : &m_pOwner->m_rtDnButton);
+}
diff --git a/xfa/fwl/basewidget/fwl_spinbuttonimp.h b/xfa/fwl/basewidget/fwl_spinbuttonimp.h
new file mode 100644
index 0000000000..d8eb5963dc
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_spinbuttonimp.h
@@ -0,0 +1,69 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_SPINBUTTONIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_SPINBUTTONIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_timer.h"
+
+class CFWL_WidgetImpProperties;
+class CFWL_SpinButtonImpDelegate;
+
+class CFWL_SpinButtonImp : public CFWL_WidgetImp, public IFWL_Timer {
+ public:
+  CFWL_SpinButtonImp(const CFWL_WidgetImpProperties& properties,
+                     IFWL_Widget* pOuter);
+  ~CFWL_SpinButtonImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual int32_t Run(FWL_HTIMER hTimer);
+  FWL_ERR EnableButton(FX_BOOL bEnable, FX_BOOL bUp = TRUE);
+  FX_BOOL IsButtonEnable(FX_BOOL bUp = TRUE);
+
+ protected:
+  void DrawUpButton(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  void DrawDownButton(CFX_Graphics* pGraphics,
+                      IFWL_ThemeProvider* pTheme,
+                      const CFX_Matrix* pMatrix);
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtUpButton;
+  CFX_RectF m_rtDnButton;
+  FX_DWORD m_dwUpState;
+  FX_DWORD m_dwDnState;
+  int32_t m_iButtonIndex;
+  FX_BOOL m_bLButtonDwn;
+  FWL_HTIMER m_hTimer;
+  friend class CFWL_SpinButtonImpDelegate;
+};
+class CFWL_SpinButtonImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_SpinButtonImpDelegate(CFWL_SpinButtonImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+  CFWL_SpinButtonImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_SPINBUTTONIMP_H_
diff --git a/xfa/fwl/basewidget/fwl_tooltipctrlimp.cpp b/xfa/fwl/basewidget/fwl_tooltipctrlimp.cpp
new file mode 100644
index 0000000000..3d545e66fe
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_tooltipctrlimp.cpp
@@ -0,0 +1,293 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fwl_tooltipctrlimp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_tooltipctrl.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+// static
+IFWL_ToolTip* IFWL_ToolTip::Create(const CFWL_WidgetImpProperties& properties,
+                                   IFWL_Widget* pOuter) {
+  IFWL_ToolTip* pToolTip = new IFWL_ToolTip;
+  CFWL_ToolTipImp* pToolTipImpl = new CFWL_ToolTipImp(properties, pOuter);
+  pToolTip->SetImpl(pToolTipImpl);
+  pToolTipImpl->SetInterface(pToolTip);
+  return pToolTip;
+}
+FWL_ERR IFWL_ToolTip::SetAnchor(const CFX_RectF& rtAnchor) {
+  return static_cast<CFWL_ToolTipImp*>(GetImpl())->SetAnchor(rtAnchor);
+}
+FWL_ERR IFWL_ToolTip::Show() {
+  return static_cast<CFWL_ToolTipImp*>(GetImpl())->Show();
+}
+FWL_ERR IFWL_ToolTip::Hide() {
+  return static_cast<CFWL_ToolTipImp*>(GetImpl())->Hide();
+}
+IFWL_ToolTip::IFWL_ToolTip() {}
+CFWL_ToolTipImp::CFWL_ToolTipImp(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter)
+    : CFWL_FormImp(properties, pOuter),
+      m_bBtnDown(FALSE),
+      m_dwTTOStyles(FDE_TTOSTYLE_SingleLine),
+      m_iTTOAlign(FDE_TTOALIGNMENT_Center),
+      m_hTimerShow(NULL),
+      m_hTimerHide(NULL),
+      m_pTimer(NULL) {
+  m_rtClient.Set(0, 0, 0, 0);
+  m_rtCaption.Set(0, 0, 0, 0);
+  m_rtAnchor.Set(0, 0, 0, 0);
+  m_TimerShow.m_pToolTip = this;
+  m_TimerHide.m_pToolTip = this;
+}
+CFWL_ToolTipImp::~CFWL_ToolTipImp() {
+  if (m_pTimer) {
+    delete m_pTimer;
+    m_pTimer = NULL;
+  }
+}
+FWL_ERR CFWL_ToolTipImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_ToolTip;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ToolTipImp::GetClassID() const {
+  return FWL_CLASSHASH_ToolTip;
+}
+FWL_ERR CFWL_ToolTipImp::Initialize() {
+  m_pProperties->m_dwStyles |= FWL_WGTSTYLE_Popup;
+  m_pProperties->m_dwStyles &= ~FWL_WGTSTYLE_Child;
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_ToolTipImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTipImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_ToolTipImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Set(0, 0, 0, 0);
+    if (m_pProperties->m_pThemeProvider == NULL) {
+      m_pProperties->m_pThemeProvider = GetAvailableTheme();
+    }
+    CFX_WideString wsCaption;
+    IFWL_ToolTipDP* pData =
+        static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider);
+    if (pData) {
+      pData->GetCaption(m_pInterface, wsCaption);
+    }
+    int32_t iLen = wsCaption.GetLength();
+    if (iLen > 0) {
+      CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider);
+      rect.Set(0, 0, sz.x, sz.y);
+      rect.width += FWL_WGTCAPACITY_CXBorder * 25;
+      rect.height += FWL_WGTCAPACITY_CYBorder * 8;
+    }
+    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTipImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  UpdateTextOutStyles();
+  GetClientRect(m_rtClient);
+  m_rtCaption = m_rtClient;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTipImp::GetClientRect(CFX_RectF& rect) {
+  FX_FLOAT x = 0;
+  FX_FLOAT y = 0;
+  FX_FLOAT t = 0;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (pTheme) {
+    CFWL_ThemePart part;
+    part.m_pWidget = m_pInterface;
+    x = *static_cast<FX_FLOAT*>(
+        pTheme->GetCapacity(&part, FWL_WGTCAPACITY_CXBorder));
+    y = *static_cast<FX_FLOAT*>(
+        pTheme->GetCapacity(&part, FWL_WGTCAPACITY_CYBorder));
+  }
+  rect = m_pProperties->m_rtWidget;
+  rect.Offset(-rect.left, -rect.top);
+  rect.Deflate(x, t, x, y);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTipImp::DrawWidget(CFX_Graphics* pGraphics,
+                                    const CFX_Matrix* pMatrix) {
+  IFWL_ToolTipTarget* toolTipTarget =
+      CFWL_ToolTipContainer::getInstance()->GetCurrentToolTipTarget();
+  if (toolTipTarget && !toolTipTarget->UseDefaultTheme()) {
+    return toolTipTarget->DrawToolTip(pGraphics, pMatrix, m_pInterface);
+  }
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  DrawBkground(pGraphics, pTheme, pMatrix);
+  DrawText(pGraphics, pTheme, pMatrix);
+  return FWL_ERR_Succeeded;
+}
+void CFWL_ToolTipImp::DrawBkground(CFX_Graphics* pGraphics,
+                                   IFWL_ThemeProvider* pTheme,
+                                   const CFX_Matrix* pMatrix) {
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_TTP_Background;
+  param.m_dwStates = m_pProperties->m_dwStates;
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  param.m_rtPart = m_rtClient;
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    param.m_pData = &m_rtCaption;
+  }
+  pTheme->DrawBackground(&param);
+}
+void CFWL_ToolTipImp::DrawText(CFX_Graphics* pGraphics,
+                               IFWL_ThemeProvider* pTheme,
+                               const CFX_Matrix* pMatrix) {
+  if (!m_pProperties->m_pDataProvider)
+    return;
+  CFX_WideString wsCaption;
+  m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsCaption);
+  if (wsCaption.IsEmpty()) {
+    return;
+  }
+  CFWL_ThemeText param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_TTP_Caption;
+  param.m_dwStates = m_pProperties->m_dwStates;
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  param.m_rtPart = m_rtCaption;
+  param.m_wsText = wsCaption;
+  param.m_dwTTOStyles = m_dwTTOStyles;
+  param.m_iTTOAlign = m_iTTOAlign;
+  pTheme->DrawText(&param);
+}
+void CFWL_ToolTipImp::UpdateTextOutStyles() {
+  m_iTTOAlign = FDE_TTOALIGNMENT_Center;
+  m_dwTTOStyles = FDE_TTOSTYLE_SingleLine;
+  if (m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_RTLReading) {
+    m_dwTTOStyles |= FDE_TTOSTYLE_RTL;
+  }
+  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_TTP_Multiline) {
+    m_dwTTOStyles &= ~FDE_TTOSTYLE_SingleLine;
+  }
+}
+FWL_ERR CFWL_ToolTipImp::SetAnchor(const CFX_RectF& rtAnchor) {
+  m_rtAnchor = rtAnchor;
+  return TRUE;
+}
+FWL_ERR CFWL_ToolTipImp::Show() {
+  IFWL_ToolTipDP* pData =
+      static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider);
+  int32_t nInitDelay = pData->GetInitialDelay(m_pInterface);
+  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible)) {
+    m_hTimerShow = FWL_StartTimer(&m_TimerShow, nInitDelay, FALSE);
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_ToolTipImp::Hide() {
+  SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  if (m_hTimerHide) {
+    FWL_StopTimer(m_hTimerHide);
+    m_hTimerHide = NULL;
+  }
+  if (m_hTimerShow) {
+    FWL_StopTimer(m_hTimerShow);
+    m_hTimerShow = NULL;
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_ToolTipImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  if ((dwStates & FWL_WGTSTATE_Invisible) && !bSet) {
+    IFWL_ToolTipDP* pData =
+        static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider);
+    int32_t nAutoPopDelay = pData->GetAutoPopDelay(m_pInterface);
+    m_hTimerHide = FWL_StartTimer(&m_TimerHide, nAutoPopDelay, FALSE);
+  }
+  return CFWL_WidgetImp::SetStates(dwStates, bSet);
+}
+void CFWL_ToolTipImp::RefreshToolTipPos() {
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_TTP_NoAnchor) == 0) {
+    CFX_RectF rtPopup;
+    CFX_RectF rtWidget(m_pProperties->m_rtWidget);
+    CFX_RectF rtAnchor(m_rtAnchor);
+    rtPopup.Set(0, 0, 0, 0);
+    FX_FLOAT fx = rtAnchor.Center().x + 20;
+    FX_FLOAT fy = rtAnchor.Center().y + 20;
+    rtPopup.Set(fx, fy, rtWidget.Width(), rtWidget.Height());
+    FX_FLOAT fScreenWidth = 0;
+    FX_FLOAT fScreenHeight = 0;
+    GetScreenSize(fScreenWidth, fScreenHeight);
+    if (rtPopup.bottom() > fScreenHeight) {
+      rtPopup.Offset(0, fScreenHeight - rtPopup.bottom());
+    }
+    if (rtPopup.right() > fScreenWidth) {
+      rtPopup.Offset(fScreenWidth - rtPopup.right(), 0);
+    }
+    if (rtPopup.left < 0) {
+      rtPopup.Offset(0 - rtPopup.left, 0);
+    }
+    if (rtPopup.top < 0) {
+      rtPopup.Offset(0, 0 - rtPopup.top);
+    }
+    SetWidgetRect(rtPopup);
+    Update();
+  }
+}
+CFWL_ToolTipImp::CFWL_ToolTipTimer::CFWL_ToolTipTimer(CFWL_ToolTipImp* pToolTip)
+    : m_pToolTip(pToolTip) {}
+int32_t CFWL_ToolTipImp::CFWL_ToolTipTimer::Run(FWL_HTIMER hTimer) {
+  if (m_pToolTip->m_hTimerShow == hTimer && m_pToolTip->m_hTimerShow) {
+    if (m_pToolTip->GetStates() & FWL_WGTSTATE_Invisible) {
+      m_pToolTip->SetStates(FWL_WGTSTATE_Invisible, FALSE);
+      m_pToolTip->RefreshToolTipPos();
+      FWL_StopTimer(m_pToolTip->m_hTimerShow);
+      m_pToolTip->m_hTimerShow = NULL;
+      return TRUE;
+    }
+  }
+  if (m_pToolTip->m_hTimerHide == hTimer && m_pToolTip->m_hTimerHide) {
+    m_pToolTip->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+    FWL_StopTimer(m_pToolTip->m_hTimerHide);
+    m_pToolTip->m_hTimerHide = NULL;
+    return TRUE;
+  }
+  return TRUE;
+}
+CFWL_ToolTipImpDelegate::CFWL_ToolTipImpDelegate(CFWL_ToolTipImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_ToolTipImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  return CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+FWL_ERR CFWL_ToolTipImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTipImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                              const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
diff --git a/xfa/fwl/basewidget/fwl_tooltipctrlimp.h b/xfa/fwl/basewidget/fwl_tooltipctrlimp.h
new file mode 100644
index 0000000000..42fe276fb9
--- /dev/null
+++ b/xfa/fwl/basewidget/fwl_tooltipctrlimp.h
@@ -0,0 +1,86 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FWL_TOOLTIPCTRLIMP_H_
+#define XFA_FWL_BASEWIDGET_FWL_TOOLTIPCTRLIMP_H_
+
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_timer.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class CFWL_ToolTipImpDelegate;
+
+class CFWL_ToolTipImp : public CFWL_FormImp {
+ public:
+  CFWL_ToolTipImp(const CFWL_WidgetImpProperties& properties,
+                  IFWL_Widget* pOuter);
+  virtual ~CFWL_ToolTipImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet);
+  virtual FWL_ERR GetClientRect(CFX_RectF& rect);
+  FWL_ERR SetAnchor(const CFX_RectF& rtAnchor);
+  FWL_ERR Show();
+  FWL_ERR Hide();
+
+ protected:
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  void DrawText(CFX_Graphics* pGraphics,
+                IFWL_ThemeProvider* pTheme,
+                const CFX_Matrix* pMatrix);
+  void UpdateTextOutStyles();
+  void RefreshToolTipPos();
+  class CFWL_ToolTipTimer : public IFWL_Timer {
+   public:
+    CFWL_ToolTipTimer() {}
+    ~CFWL_ToolTipTimer() {}
+    CFWL_ToolTipTimer(CFWL_ToolTipImp* pToolTip);
+    virtual int32_t Run(FWL_HTIMER hTimer);
+    CFWL_ToolTipImp* m_pToolTip;
+  };
+  CFX_RectF m_rtClient;
+  CFX_RectF m_rtCaption;
+  FX_BOOL m_bBtnDown;
+  FX_DWORD m_dwTTOStyles;
+  int32_t m_iTTOAlign;
+  CFX_RectF m_rtAnchor;
+  FWL_HTIMER m_hTimerShow;
+  FWL_HTIMER m_hTimerHide;
+  CFWL_ToolTipTimer* m_pTimer;
+  CFWL_ToolTipTimer m_TimerShow;
+  CFWL_ToolTipTimer m_TimerHide;
+  friend class CFWL_ToolTipImpDelegate;
+  friend class CFWL_ToolTipTimer;
+};
+class CFWL_ToolTipImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_ToolTipImpDelegate(CFWL_ToolTipImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnKeyDown(CFWL_MsgKey* pMsg);
+  CFWL_ToolTipImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FWL_TOOLTIPCTRLIMP_H_
diff --git a/xfa/fwl/basewidget/fxmath_barcodeimp.cpp b/xfa/fwl/basewidget/fxmath_barcodeimp.cpp
new file mode 100644
index 0000000000..c27805ef83
--- /dev/null
+++ b/xfa/fwl/basewidget/fxmath_barcodeimp.cpp
@@ -0,0 +1,385 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/basewidget/fxmath_barcodeimp.h"
+
+static CBC_CodeBase* FX_Barcode_CreateBarCodeEngineObject(BC_TYPE type) {
+  switch (type) {
+    case BC_CODE39:
+      return new CBC_Code39();
+    case BC_CODABAR:
+      return new CBC_Codabar();
+    case BC_CODE128:
+      return new CBC_Code128(BC_CODE128_B);
+    case BC_CODE128_B:
+      return new CBC_Code128(BC_CODE128_B);
+    case BC_CODE128_C:
+      return new CBC_Code128(BC_CODE128_C);
+    case BC_EAN8:
+      return new CBC_EAN8();
+    case BC_UPCA:
+      return new CBC_UPCA();
+    case BC_EAN13:
+      return new CBC_EAN13();
+    case BC_QR_CODE:
+      return new CBC_QRCode();
+    case BC_PDF417:
+      return new CBC_PDF417I();
+    case BC_DATAMATRIX:
+      return new CBC_DataMatrix();
+    case BC_UNKNOWN:
+    default:
+      return NULL;
+  }
+}
+CFX_Barcode::CFX_Barcode() {}
+CFX_Barcode::~CFX_Barcode() {
+  if (m_pBCEngine) {
+    delete m_pBCEngine;
+    m_pBCEngine = NULL;
+  }
+}
+FX_BOOL CFX_Barcode::Crreate(BC_TYPE type) {
+  m_pBCEngine = FX_Barcode_CreateBarCodeEngineObject(type);
+  return m_pBCEngine != NULL;
+}
+void CFX_Barcode::Release() {
+  delete this;
+}
+BC_TYPE CFX_Barcode::GetType() {
+  return m_pBCEngine ? m_pBCEngine->GetType() : BC_UNKNOWN;
+}
+FX_BOOL CFX_Barcode::SetCharEncoding(BC_CHAR_ENCODING encoding) {
+  return m_pBCEngine ? m_pBCEngine->SetCharEncoding(encoding) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetModuleHeight(int32_t moduleHeight) {
+  return m_pBCEngine ? m_pBCEngine->SetModuleHeight(moduleHeight) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetModuleWidth(int32_t moduleWidth) {
+  return m_pBCEngine ? m_pBCEngine->SetModuleWidth(moduleWidth) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetHeight(int32_t height) {
+  return m_pBCEngine ? m_pBCEngine->SetHeight(height) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetWidth(int32_t width) {
+  return m_pBCEngine ? m_pBCEngine->SetWidth(width) : FALSE;
+}
+FX_BOOL CFX_Barcode::CheckContentValidity(const CFX_WideStringC& contents) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine
+                 ? static_cast<CBC_OneCode*>(m_pBCEngine)
+                       ->CheckContentValidity(contents)
+                 : TRUE;
+    default:
+      return TRUE;
+  }
+}
+FX_BOOL CFX_Barcode::SetPrintChecksum(FX_BOOL checksum) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine ? (static_cast<CBC_OneCode*>(m_pBCEngine)
+                                ->SetPrintChecksum(checksum),
+                            TRUE)
+                         : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetDataLength(int32_t length) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine ? (static_cast<CBC_OneCode*>(m_pBCEngine)
+                                ->SetDataLength(length),
+                            TRUE)
+                         : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetCalChecksum(int32_t state) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine ? (static_cast<CBC_OneCode*>(m_pBCEngine)
+                                ->SetCalChecksum(state),
+                            TRUE)
+                         : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetFont(CFX_Font* pFont) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine
+                 ? static_cast<CBC_OneCode*>(m_pBCEngine)->SetFont(pFont)
+                 : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetFontSize(FX_FLOAT size) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine
+                 ? (static_cast<CBC_OneCode*>(m_pBCEngine)->SetFontSize(size),
+                    TRUE)
+                 : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetFontStyle(int32_t style) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine
+                 ? (static_cast<CBC_OneCode*>(m_pBCEngine)->SetFontStyle(style),
+                    TRUE)
+                 : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetFontColor(FX_ARGB color) {
+  switch (GetType()) {
+    case BC_CODE39:
+    case BC_CODABAR:
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+    case BC_EAN8:
+    case BC_EAN13:
+    case BC_UPCA:
+      return m_pBCEngine
+                 ? (static_cast<CBC_OneCode*>(m_pBCEngine)->SetFontColor(color),
+                    TRUE)
+                 : FALSE;
+    default:
+      return FALSE;
+  }
+}
+FX_BOOL CFX_Barcode::SetTextLocation(BC_TEXT_LOC location) {
+  typedef FX_BOOL (CBC_CodeBase::*memptrtype)(BC_TEXT_LOC);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_CODE39:
+      memptr = (memptrtype)&CBC_Code39::SetTextLocation;
+      break;
+    case BC_CODABAR:
+      memptr = (memptrtype)&CBC_Codabar::SetTextLocation;
+      break;
+    case BC_CODE128:
+    case BC_CODE128_B:
+    case BC_CODE128_C:
+      memptr = (memptrtype)&CBC_Code128::SetTextLocation;
+      break;
+    default:
+      break;
+  }
+  return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(location) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetWideNarrowRatio(int32_t ratio) {
+  typedef FX_BOOL (CBC_CodeBase::*memptrtype)(int32_t);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_CODE39:
+      memptr = (memptrtype)&CBC_Code39::SetWideNarrowRatio;
+      break;
+    case BC_CODABAR:
+      memptr = (memptrtype)&CBC_Codabar::SetWideNarrowRatio;
+      break;
+    default:
+      break;
+  }
+  return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(ratio) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetStartChar(FX_CHAR start) {
+  typedef FX_BOOL (CBC_CodeBase::*memptrtype)(FX_CHAR);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_CODABAR:
+      memptr = (memptrtype)&CBC_Codabar::SetStartChar;
+      break;
+    default:
+      break;
+  }
+  return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(start) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetEndChar(FX_CHAR end) {
+  typedef FX_BOOL (CBC_CodeBase::*memptrtype)(FX_CHAR);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_CODABAR:
+      memptr = (memptrtype)&CBC_Codabar::SetEndChar;
+      break;
+    default:
+      break;
+  }
+  return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(end) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetVersion(int32_t version) {
+  typedef FX_BOOL (CBC_CodeBase::*memptrtype)(int32_t);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_QR_CODE:
+      memptr = (memptrtype)&CBC_QRCode::SetVersion;
+      break;
+    default:
+      break;
+  }
+  return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(version) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetErrorCorrectionLevel(int32_t level) {
+  typedef FX_BOOL (CBC_CodeBase::*memptrtype)(int32_t);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_QR_CODE:
+      memptr = (memptrtype)&CBC_QRCode::SetErrorCorrectionLevel;
+      break;
+    case BC_PDF417:
+      memptr = (memptrtype)&CBC_PDF417I::SetErrorCorrectionLevel;
+      break;
+    default:
+      return FALSE;
+  }
+  return m_pBCEngine && memptr ? (m_pBCEngine->*memptr)(level) : FALSE;
+}
+FX_BOOL CFX_Barcode::SetTruncated(FX_BOOL truncated) {
+  typedef void (CBC_CodeBase::*memptrtype)(FX_BOOL);
+  memptrtype memptr = NULL;
+  switch (GetType()) {
+    case BC_PDF417:
+      memptr = (memptrtype)&CBC_PDF417I::SetTruncated;
+      break;
+    default:
+      break;
+  }
+  return m_pBCEngine && memptr ? ((m_pBCEngine->*memptr)(truncated), TRUE)
+                               : FALSE;
+}
+#ifndef BCExceptionNO
+#define BCExceptionNO 0
+#endif
+#ifndef BCExceptionFormatException
+#define BCExceptionFormatException 8
+#endif
+#ifndef BCExceptionUnSupportedBarcode
+#define BCExceptionUnSupportedBarcode 18
+#endif
+FX_BOOL CFX_Barcode::Encode(const CFX_WideStringC& contents,
+                            FX_BOOL isDevice,
+                            int32_t& e) {
+  if (!m_pBCEngine) {
+    return FALSE;
+  }
+  return m_pBCEngine->Encode(contents, isDevice, e);
+}
+FX_BOOL CFX_Barcode::RenderDevice(CFX_RenderDevice* device,
+                                  const CFX_Matrix* matirx,
+                                  int32_t& e) {
+  if (!m_pBCEngine) {
+    return FALSE;
+  }
+  return m_pBCEngine->RenderDevice(device, matirx, e);
+}
+FX_BOOL CFX_Barcode::RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e) {
+  if (!m_pBCEngine) {
+    return FALSE;
+  }
+  return m_pBCEngine->RenderBitmap(pOutBitmap, e);
+}
+#define BC_TYPE_MIN BC_CODE39
+#define BC_TYPE_MAX BC_DATAMATRIX
+CFX_WideString CFX_Barcode::Decode(uint8_t* buf,
+                                   int32_t width,
+                                   int32_t height,
+                                   int32_t& errorCode) {
+  for (BC_TYPE t = BC_TYPE_MIN; t <= BC_TYPE_MAX;
+       t = (BC_TYPE)((int32_t)t + 1)) {
+    CBC_CodeBase* pTmpEngine = FX_Barcode_CreateBarCodeEngineObject(t);
+    if (!pTmpEngine) {
+      continue;
+    }
+    CFX_WideString ret = pTmpEngine->Decode(buf, width, height, errorCode);
+    if (errorCode == BCExceptionNO) {
+      return ret;
+    }
+  }
+  errorCode = BCExceptionUnSupportedBarcode;
+  return CFX_WideString();
+}
+CFX_WideString CFX_Barcode::Decode(CFX_DIBitmap* pBitmap, int32_t& errorCode) {
+  for (BC_TYPE t = BC_TYPE_MIN; t <= BC_TYPE_MAX;
+       t = (BC_TYPE)((int32_t)t + 1)) {
+    CBC_CodeBase* pTmpEngine = FX_Barcode_CreateBarCodeEngineObject(t);
+    if (!pTmpEngine) {
+      continue;
+    }
+    CFX_WideString ret = pTmpEngine->Decode(pBitmap, errorCode);
+    if (errorCode == BCExceptionNO) {
+      return ret;
+    }
+  }
+  errorCode = BCExceptionUnSupportedBarcode;
+  return CFX_WideString();
+}
+IFX_Barcode* FX_Barcode_Create(BC_TYPE type) {
+  CFX_Barcode* pBarcode = new CFX_Barcode;
+  if (pBarcode->Crreate(type)) {
+    return pBarcode;
+  }
+  pBarcode->Release();
+  return NULL;
+}
diff --git a/xfa/fwl/basewidget/fxmath_barcodeimp.h b/xfa/fwl/basewidget/fxmath_barcodeimp.h
new file mode 100644
index 0000000000..a26761e0d7
--- /dev/null
+++ b/xfa/fwl/basewidget/fxmath_barcodeimp.h
@@ -0,0 +1,56 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_BASEWIDGET_FXMATH_BARCODEIMP_H_
+#define XFA_FWL_BASEWIDGET_FXMATH_BARCODEIMP_H_
+
+#include "xfa/include/fwl/basewidget/fxmath_barcode.h"
+
+class CFX_Barcode : public IFX_Barcode {
+ public:
+  CFX_Barcode();
+  ~CFX_Barcode();
+  FX_BOOL Crreate(BC_TYPE type);
+  virtual void Release();
+  virtual BC_TYPE GetType();
+  virtual FX_BOOL Encode(const CFX_WideStringC& contents,
+                         FX_BOOL isDevice,
+                         int32_t& e);
+  virtual FX_BOOL RenderDevice(CFX_RenderDevice* device,
+                               const CFX_Matrix* matirx,
+                               int32_t& e);
+  virtual FX_BOOL RenderBitmap(CFX_DIBitmap*& pOutBitmap, int32_t& e);
+  virtual CFX_WideString Decode(uint8_t* buf,
+                                int32_t width,
+                                int32_t height,
+                                int32_t& errorCode);
+  virtual CFX_WideString Decode(CFX_DIBitmap* pBitmap, int32_t& errorCode);
+  virtual FX_BOOL SetCharEncoding(BC_CHAR_ENCODING encoding);
+  virtual FX_BOOL SetModuleHeight(int32_t moduleHeight);
+  virtual FX_BOOL SetModuleWidth(int32_t moduleWidth);
+  virtual FX_BOOL SetHeight(int32_t height);
+  virtual FX_BOOL SetWidth(int32_t width);
+  virtual FX_BOOL CheckContentValidity(const CFX_WideStringC& contents);
+  virtual FX_BOOL SetPrintChecksum(FX_BOOL checksum);
+  virtual FX_BOOL SetDataLength(int32_t length);
+  virtual FX_BOOL SetCalChecksum(int32_t state);
+  virtual FX_BOOL SetFont(CFX_Font* pFont);
+  virtual FX_BOOL SetFontSize(FX_FLOAT size);
+  virtual FX_BOOL SetFontStyle(int32_t style);
+  virtual FX_BOOL SetFontColor(FX_ARGB color);
+  virtual FX_BOOL SetTextLocation(BC_TEXT_LOC location);
+  virtual FX_BOOL SetWideNarrowRatio(int32_t ratio);
+  virtual FX_BOOL SetStartChar(FX_CHAR start);
+  virtual FX_BOOL SetEndChar(FX_CHAR end);
+  virtual FX_BOOL SetVersion(int32_t version);
+  virtual FX_BOOL SetErrorCorrectionLevel(int32_t level);
+  virtual FX_BOOL SetTruncated(FX_BOOL truncated);
+
+ protected:
+  CBC_CodeBase* m_pBCEngine;
+};
+
+#endif  // XFA_FWL_BASEWIDGET_FXMATH_BARCODEIMP_H_
diff --git a/xfa/fwl/core/fwl_appimp.cpp b/xfa/fwl/core/fwl_appimp.cpp
new file mode 100644
index 0000000000..31634860f4
--- /dev/null
+++ b/xfa/fwl/core/fwl_appimp.cpp
@@ -0,0 +1,114 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_appimp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+IFWL_App* IFWL_App::Create(IFWL_AdapterNative* pAdapter) {
+  IFWL_App* pApp = new IFWL_App;
+  pApp->SetImpl(new CFWL_AppImp(pApp, pAdapter));
+  return pApp;
+}
+FWL_ERR IFWL_App::Initialize() {
+  return static_cast<CFWL_AppImp*>(GetImpl())->Initialize();
+}
+FWL_ERR IFWL_App::Finalize() {
+  return static_cast<CFWL_AppImp*>(GetImpl())->Finalize();
+}
+IFWL_AdapterNative* IFWL_App::GetAdapterNative() {
+  return static_cast<CFWL_AppImp*>(GetImpl())->GetAdapterNative();
+}
+IFWL_WidgetMgr* IFWL_App::GetWidgetMgr() {
+  return static_cast<CFWL_AppImp*>(GetImpl())->GetWidgetMgr();
+}
+IFWL_ThemeProvider* IFWL_App::GetThemeProvider() {
+  return static_cast<CFWL_AppImp*>(GetImpl())->GetThemeProvider();
+}
+FWL_ERR IFWL_App::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  return static_cast<CFWL_AppImp*>(GetImpl())->SetThemeProvider(pThemeProvider);
+}
+FWL_ERR IFWL_App::Exit(int32_t iExitCode) {
+  return static_cast<CFWL_AppImp*>(GetImpl())->Exit(iExitCode);
+}
+
+CFWL_AppImp::CFWL_AppImp(IFWL_App* pIface, IFWL_AdapterNative* pAdapter)
+    : CFWL_NoteThreadImp(pIface),
+      m_pAdapterNative(pAdapter),
+      m_pThemeProvider(nullptr) {}
+
+CFWL_AppImp::~CFWL_AppImp() {
+  CFWL_ToolTipContainer::DeleteInstance();
+}
+
+FWL_ERR CFWL_AppImp::Initialize() {
+  if (!m_pWidgetMgr) {
+    m_pWidgetMgr.reset(new CFWL_WidgetMgr(m_pAdapterNative));
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_AppImp::Finalize() {
+  m_pWidgetMgr.reset();
+  return FWL_ERR_Succeeded;
+}
+IFWL_AdapterNative* CFWL_AppImp::GetAdapterNative() const {
+  return m_pAdapterNative;
+}
+IFWL_AdapterWidgetMgr* FWL_GetAdapterWidgetMgr() {
+  return static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr())
+      ->GetAdapterWidgetMgr();
+}
+IFWL_WidgetMgr* CFWL_AppImp::GetWidgetMgr() const {
+  return m_pWidgetMgr.get();
+}
+FWL_ERR CFWL_AppImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  m_pThemeProvider = pThemeProvider;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_AppImp::Exit(int32_t iExitCode) {
+  while (m_pNoteDriver->PopNoteLoop()) {
+    continue;
+  }
+  return m_pWidgetMgr->GetAdapterWidgetMgr()->Exit(0);
+}
+IFWL_ThemeProvider* CFWL_AppImp::GetThemeProvider() const {
+  return m_pThemeProvider;
+}
+IFWL_AdapterNative* FWL_GetAdapterNative() {
+  IFWL_App* pApp = FWL_GetApp();
+  if (!pApp)
+    return NULL;
+  return pApp->GetAdapterNative();
+}
+IFWL_ThemeProvider* FWL_GetThemeProvider() {
+  return NULL;
+}
+static IFWL_App* _theApp = NULL;
+IFWL_App* FWL_GetApp() {
+  return _theApp;
+}
+void FWL_SetApp(IFWL_App* pApp) {
+  _theApp = pApp;
+}
+FWL_ERR FWL_SetFullScreen(IFWL_Widget* pWidget, FX_BOOL bFullScreen) {
+  if (!pWidget)
+    return FWL_ERR_Succeeded;
+  IFWL_NoteThread* pNoteTread = pWidget->GetOwnerThread();
+  if (!pNoteTread)
+    return FWL_ERR_Succeeded;
+  CFWL_NoteDriver* pNoteDriver =
+      static_cast<CFWL_NoteDriver*>(pNoteTread->GetNoteDriver());
+  if (!pNoteTread)
+    return FWL_ERR_Succeeded;
+  pNoteDriver->NotifyFullScreenMode(pWidget, bFullScreen);
+  return FWL_GetAdapterWidgetMgr()->SetFullScreen(pWidget, bFullScreen);
+}
diff --git a/xfa/fwl/core/fwl_appimp.h b/xfa/fwl/core/fwl_appimp.h
new file mode 100644
index 0000000000..f9ccabf9bc
--- /dev/null
+++ b/xfa/fwl/core/fwl_appimp.h
@@ -0,0 +1,38 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_APPIMP_H_
+#define XFA_FWL_CORE_FWL_APPIMP_H_
+
+#include <memory>
+
+#include "xfa/fwl/core/fwl_threadimp.h"
+
+class CFWL_WidgetMgr;
+class IFWL_AdapterNative;
+class IFWL_WidgetMgr;
+class IFWL_ThemeProvider;
+class IFWL_App;
+
+class CFWL_AppImp : public CFWL_NoteThreadImp {
+ public:
+  CFWL_AppImp(IFWL_App* pIface, IFWL_AdapterNative* pAdapter);
+  virtual ~CFWL_AppImp();
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual IFWL_AdapterNative* GetAdapterNative() const;
+  virtual IFWL_WidgetMgr* GetWidgetMgr() const;
+  virtual IFWL_ThemeProvider* GetThemeProvider() const;
+  virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
+  virtual FWL_ERR Exit(int32_t iExitCode = 0);
+
+ protected:
+  IFWL_AdapterNative* const m_pAdapterNative;
+  std::unique_ptr<CFWL_WidgetMgr> m_pWidgetMgr;
+  IFWL_ThemeProvider* m_pThemeProvider;
+};
+
+#endif  // XFA_FWL_CORE_FWL_APPIMP_H_
diff --git a/xfa/fwl/core/fwl_contentimp.cpp b/xfa/fwl/core/fwl_contentimp.cpp
new file mode 100644
index 0000000000..a38998f0cf
--- /dev/null
+++ b/xfa/fwl/core/fwl_contentimp.cpp
@@ -0,0 +1,94 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_contentimp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/core/fwl_content.h"
+
+FWL_ERR IFWL_Content::InsertWidget(IFWL_Widget* pChild, int32_t nIndex) {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->InsertWidget(pChild, nIndex);
+}
+FWL_ERR IFWL_Content::RemoveWidget(IFWL_Widget* pWidget) {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->RemoveWidget(pWidget);
+}
+FWL_ERR IFWL_Content::RemoveAllWidgets() {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->RemoveAllWidgets();
+}
+FWL_ERR IFWL_Content::GetMinSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight) {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->GetMinSize(fWidth, fHeight);
+}
+FWL_ERR IFWL_Content::SetMinSize(FX_FLOAT fWidth, FX_FLOAT fHeight) {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->SetMinSize(fWidth, fHeight);
+}
+FWL_ERR IFWL_Content::GetMaxSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight) {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->GetMaxSize(fWidth, fHeight);
+}
+FWL_ERR IFWL_Content::SetMaxSize(FX_FLOAT fWidth, FX_FLOAT fHeight) {
+  return static_cast<CFWL_ContentImp*>(GetImpl())->SetMaxSize(fWidth, fHeight);
+}
+IFWL_Content::IFWL_Content() {}
+CFWL_ContentImp::CFWL_ContentImp(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_fWidthMin(0),
+      m_fWidthMax(10000),
+      m_fHeightMin(0),
+      m_fHeightMax(10000) {}
+CFWL_ContentImp::~CFWL_ContentImp() {}
+FWL_ERR CFWL_ContentImp::InsertWidget(IFWL_Widget* pChild, int32_t nIndex) {
+  if (!pChild)
+    return FWL_ERR_Indefinite;
+  pChild->SetParent(m_pInterface);
+  if (nIndex == -1) {
+    return FWL_ERR_Succeeded;
+  }
+  CFWL_WidgetMgr* pMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pMgr)
+    return FWL_ERR_Indefinite;
+  pMgr->SetWidgetIndex(pChild, nIndex);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ContentImp::RemoveWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FWL_ERR_Indefinite;
+  pWidget->SetParent(NULL);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ContentImp::RemoveAllWidgets() {
+  CFWL_WidgetMgr* pMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pMgr)
+    return FWL_ERR_Indefinite;
+  while (IFWL_Widget* widget =
+             pMgr->GetWidget(m_pInterface, FWL_WGTRELATION_FirstChild)) {
+    pMgr->SetParent(NULL, widget);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ContentImp::GetMinSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight) {
+  fWidth = m_fWidthMin;
+  fHeight = m_fHeightMin;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ContentImp::SetMinSize(FX_FLOAT fWidth, FX_FLOAT fHeight) {
+  m_fWidthMin = fWidth;
+  m_fHeightMin = fHeight;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ContentImp::GetMaxSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight) {
+  fWidth = m_fWidthMax;
+  fHeight = m_fHeightMax;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ContentImp::SetMaxSize(FX_FLOAT fWidth, FX_FLOAT fHeight) {
+  m_fWidthMax = fWidth;
+  m_fHeightMax = fHeight;
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/core/fwl_contentimp.h b/xfa/fwl/core/fwl_contentimp.h
new file mode 100644
index 0000000000..b7a44d3a53
--- /dev/null
+++ b/xfa/fwl/core/fwl_contentimp.h
@@ -0,0 +1,35 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_CONTENTIMP_H_
+#define XFA_FWL_CORE_FWL_CONTENTIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class IFWL_Widget;
+
+class CFWL_ContentImp : public CFWL_WidgetImp {
+ public:
+  CFWL_ContentImp(const CFWL_WidgetImpProperties& properties,
+                  IFWL_Widget* pOuter);
+
+  virtual ~CFWL_ContentImp();
+  virtual FWL_ERR InsertWidget(IFWL_Widget* pChild, int32_t nIndex = -1);
+  virtual FWL_ERR RemoveWidget(IFWL_Widget* pWidget);
+  virtual FWL_ERR RemoveAllWidgets();
+  FWL_ERR GetMinSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
+  FWL_ERR SetMinSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
+  FWL_ERR GetMaxSize(FX_FLOAT& fWidth, FX_FLOAT& fHeight);
+  FWL_ERR SetMaxSize(FX_FLOAT fWidth, FX_FLOAT fHeight);
+
+ protected:
+  FX_FLOAT m_fWidthMin;
+  FX_FLOAT m_fWidthMax;
+  FX_FLOAT m_fHeightMin;
+  FX_FLOAT m_fHeightMax;
+};
+
+#endif  // XFA_FWL_CORE_FWL_CONTENTIMP_H_
diff --git a/xfa/fwl/core/fwl_formimp.cpp b/xfa/fwl/core/fwl_formimp.cpp
new file mode 100644
index 0000000000..a321431f6f
--- /dev/null
+++ b/xfa/fwl/core/fwl_formimp.cpp
@@ -0,0 +1,1175 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_formimp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/basewidget/fwl_formproxyimp.h"
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_content.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+#define FWL_SYSBTNSIZE 21
+#define FWL_SYSBTNMARGIN 5
+#define FWL_SYSBTNSPAN 2
+#define FWL_CornerEnlarge 10
+
+// static
+IFWL_Form* IFWL_Form::CreateFormProxy(CFWL_WidgetImpProperties& properties,
+                                      CFX_WideString* classname,
+                                      IFWL_Widget* pOuter) {
+  IFWL_Form* pForm = new IFWL_Form;
+  CFWL_FormProxyImp* pFormProxyImpl = new CFWL_FormProxyImp(properties, pOuter);
+  pForm->SetImpl(pFormProxyImpl);
+  pFormProxyImpl->SetInterface(pForm);
+  return pForm;
+}
+IFWL_Form::IFWL_Form() {}
+FWL_FORMSIZE IFWL_Form::GetFormSize() {
+  return static_cast<CFWL_FormImp*>(GetImpl())->GetFormSize();
+}
+FWL_ERR IFWL_Form::SetFormSize(FWL_FORMSIZE eFormSize) {
+  return static_cast<CFWL_FormImp*>(GetImpl())->SetFormSize(eFormSize);
+}
+IFWL_Widget* IFWL_Form::DoModal() {
+  return static_cast<CFWL_FormImp*>(GetImpl())->DoModal();
+}
+IFWL_Widget* IFWL_Form::DoModal(FX_DWORD& dwCommandID) {
+  return static_cast<CFWL_FormImp*>(GetImpl())->DoModal(dwCommandID);
+}
+FWL_ERR IFWL_Form::EndDoModal() {
+  return static_cast<CFWL_FormImp*>(GetImpl())->EndDoModal();
+}
+FWL_ERR IFWL_Form::SetBorderRegion(CFX_Path* pPath) {
+  return static_cast<CFWL_FormImp*>(GetImpl())->SetBorderRegion(pPath);
+}
+
+CFWL_FormImp::CFWL_FormImp(const CFWL_WidgetImpProperties& properties,
+                           IFWL_Widget* pOuter)
+    : CFWL_PanelImp(properties, pOuter),
+      m_pCloseBox(NULL),
+      m_pMinBox(NULL),
+      m_pMaxBox(NULL),
+      m_pCaptionBox(NULL),
+      m_pNoteLoop(NULL),
+      m_pSubFocus(NULL),
+      m_fCXBorder(0),
+      m_fCYBorder(0),
+      m_iCaptureBtn(-1),
+      m_iSysBox(0),
+      m_eResizeType(FORM_RESIZETYPE_None),
+      m_bLButtonDown(FALSE),
+      m_bMaximized(FALSE),
+      m_bSetMaximize(FALSE),
+      m_bCustomizeLayout(FALSE),
+      m_eFormSize(FWL_FORMSIZE_Manual),
+      m_bDoModalFlag(FALSE),
+      m_pBigIcon(NULL),
+      m_pSmallIcon(NULL),
+      m_bMouseIn(FALSE) {
+  m_rtRelative.Reset();
+  m_rtCaption.Reset();
+  m_rtRestore.Reset();
+  m_rtCaptionText.Reset();
+  m_rtIcon.Reset();
+}
+CFWL_FormImp::~CFWL_FormImp() {
+  RemoveSysButtons();
+  delete m_pNoteLoop;
+}
+FWL_ERR CFWL_FormImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Form;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_FormImp::GetClassID() const {
+  return FWL_CLASSHASH_Form;
+}
+FX_BOOL CFWL_FormImp::IsInstance(const CFX_WideStringC& wsClass) const {
+  if (wsClass == CFX_WideStringC(FWL_CLASS_Form)) {
+    return TRUE;
+  }
+  return CFWL_PanelImp::IsInstance(wsClass);
+}
+FWL_ERR CFWL_FormImp::Initialize() {
+  if (CFWL_WidgetImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  RegisterForm();
+  RegisterEventTarget();
+  m_pDelegate = new CFWL_FormImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_FormImp::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  UnregisterEventTarget();
+  UnRegisterForm();
+  return CFWL_WidgetImp::Finalize();
+}
+FWL_ERR CFWL_FormImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.Reset();
+    FX_FLOAT fCapHeight = GetCaptionHeight();
+    FX_FLOAT fCXBorder = GetBorderSize(TRUE);
+    FX_FLOAT fCYBorder = GetBorderSize(FALSE);
+    FX_FLOAT fEdge = GetEdgeWidth();
+    if (m_pContent) {
+      m_pContent->GetWidgetRect(rect, TRUE);
+    }
+    rect.height += fCapHeight + fCYBorder + fEdge + fEdge;
+    rect.width += fCXBorder + fCXBorder + fEdge + fEdge;
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_FormImp::GetClientRect(CFX_RectF& rect) {
+  if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_Caption) == 0) {
+    rect = m_pProperties->m_rtWidget;
+    rect.Offset(-rect.left, -rect.top);
+    return FWL_ERR_Succeeded;
+  }
+#ifdef FWL_UseMacSystemBorder
+  rect = m_rtRelative;
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return FWL_ERR_Indefinite;
+  IFWL_AdapterWidgetMgr* adapterWidgetMgr = pWidgetMgr->GetAdapterWidgetMgr();
+  FX_FLOAT l, t, r, b;
+  l = t = r = b = 0;
+  adapterWidgetMgr->GetSystemBorder(l, t, r, b);
+  rect.Deflate(l, t, r, b);
+  rect.left = rect.top = 0;
+  return FWL_ERR_Succeeded;
+#else
+  FX_FLOAT x = 0;
+  FX_FLOAT y = 0;
+  FX_FLOAT t = 0;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (pTheme) {
+    CFWL_ThemePart part;
+    part.m_pWidget = m_pInterface;
+    x = *static_cast<FX_FLOAT*>(
+        pTheme->GetCapacity(&part, FWL_WGTCAPACITY_CXBorder));
+    y = *static_cast<FX_FLOAT*>(
+        pTheme->GetCapacity(&part, FWL_WGTCAPACITY_CYBorder));
+    t = *static_cast<FX_FLOAT*>(
+        pTheme->GetCapacity(&part, FWL_WGTCAPACITY_FRM_CYCaption));
+  }
+  rect = m_pProperties->m_rtWidget;
+  rect.Offset(-rect.left, -rect.top);
+  rect.Deflate(x, t, x, y);
+  return FWL_ERR_Succeeded;
+#endif
+}
+FWL_ERR CFWL_FormImp::Update() {
+  if (m_iLock > 0) {
+    return FWL_ERR_Succeeded;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+#ifdef FWL_UseMacSystemBorder
+#else
+  SetThemeData();
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Icon) {
+    UpdateIcon();
+  }
+#endif
+  UpdateCaption();
+  Layout();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_FormImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  (void)GetAvailableTheme();
+  if (m_pCloseBox && m_pCloseBox->m_rtBtn.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_CloseBox;
+  }
+  if (m_pMaxBox && m_pMaxBox->m_rtBtn.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_MaxBox;
+  }
+  if (m_pMinBox && m_pMinBox->m_rtBtn.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_MinBox;
+  }
+  CFX_RectF rtCap;
+  rtCap.Set(m_rtCaption.left + m_fCYBorder, m_rtCaption.top + m_fCXBorder,
+            m_rtCaption.width - FWL_SYSBTNSIZE * m_iSysBox - 2 * m_fCYBorder,
+            m_rtCaption.height - m_fCXBorder);
+  if (rtCap.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Titlebar;
+  }
+  if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border) &&
+      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_FRM_Resize)) {
+    FX_FLOAT fWidth =
+        m_rtRelative.width - 2 * (m_fCYBorder + FWL_CornerEnlarge);
+    FX_FLOAT fHeight =
+        m_rtRelative.height - 2 * (m_fCXBorder + FWL_CornerEnlarge);
+    CFX_RectF rt;
+    rt.Set(0, m_fCXBorder + FWL_CornerEnlarge, m_fCYBorder, fHeight);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Left;
+    }
+    rt.Set(m_rtRelative.width - m_fCYBorder, m_fCXBorder + FWL_CornerEnlarge,
+           m_fCYBorder, fHeight);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Right;
+    }
+    rt.Set(m_fCYBorder + FWL_CornerEnlarge, 0, fWidth, m_fCXBorder);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Top;
+    }
+    rt.Set(m_fCYBorder + FWL_CornerEnlarge, m_rtRelative.height - m_fCXBorder,
+           fWidth, m_fCXBorder);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Bottom;
+    }
+    rt.Set(0, 0, m_fCYBorder + FWL_CornerEnlarge,
+           m_fCXBorder + FWL_CornerEnlarge);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_LeftTop;
+    }
+    rt.Set(0, m_rtRelative.height - m_fCXBorder - FWL_CornerEnlarge,
+           m_fCYBorder + FWL_CornerEnlarge, m_fCXBorder + FWL_CornerEnlarge);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_LeftBottom;
+    }
+    rt.Set(m_rtRelative.width - m_fCYBorder - FWL_CornerEnlarge, 0,
+           m_fCYBorder + FWL_CornerEnlarge, m_fCXBorder + FWL_CornerEnlarge);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_RightTop;
+    }
+    rt.Set(m_rtRelative.width - m_fCYBorder - FWL_CornerEnlarge,
+           m_rtRelative.height - m_fCXBorder - FWL_CornerEnlarge,
+           m_fCYBorder + FWL_CornerEnlarge, m_fCXBorder + FWL_CornerEnlarge);
+    if (rt.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_RightBottom;
+    }
+  }
+  return FWL_WGTHITTEST_Client;
+}
+FWL_ERR CFWL_FormImp::DrawWidget(CFX_Graphics* pGraphics,
+                                 const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_ERR_Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  FX_BOOL bInactive = !IsActive();
+  int32_t iState =
+      bInactive ? FWL_PARTSTATE_FRM_Inactive : FWL_PARTSTATE_FRM_Normal;
+  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_FRM_NoDrawClient) == 0) {
+    DrawBackground(pGraphics, pTheme);
+  }
+#ifdef FWL_UseMacSystemBorder
+  return FWL_ERR_Succeeded;
+#endif
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_dwStates = iState;
+  param.m_pGraphics = pGraphics;
+  param.m_rtPart = m_rtRelative;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border) {
+    param.m_iPart = FWL_PART_FRM_Border;
+    pTheme->DrawBackground(&param);
+  }
+  if ((m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_EdgeMask) !=
+      FWL_WGTSTYLE_EdgeNone) {
+    CFX_RectF rtEdge;
+    GetEdgeRect(rtEdge);
+    param.m_iPart = FWL_PART_FRM_Edge;
+    param.m_rtPart = rtEdge;
+    param.m_dwStates = iState;
+    pTheme->DrawBackground(&param);
+  }
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Caption) {
+    param.m_iPart = FWL_PART_FRM_Caption;
+    param.m_dwStates = iState;
+    param.m_rtPart = m_rtCaption;
+    pTheme->DrawBackground(&param);
+    DrawCaptionText(pGraphics, pTheme, pMatrix);
+  } else if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_NarrowCaption) {
+    param.m_iPart = FWL_PART_FRM_NarrowCaption;
+    param.m_dwStates = iState;
+    param.m_rtPart = m_rtCaption;
+    pTheme->DrawBackground(&param);
+    DrawCaptionText(pGraphics, pTheme, pMatrix);
+  }
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Icon) {
+    param.m_iPart = FWL_PART_FRM_Icon;
+    if (HasIcon()) {
+      DrawIconImage(pGraphics, pTheme, pMatrix);
+    }
+  }
+#if (_FX_OS_ == _FX_MACOSX_)
+  {
+    if (m_pCloseBox) {
+      param.m_iPart = FWL_PART_FRM_CloseBox;
+      param.m_dwStates = m_pCloseBox->GetPartState();
+      if (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) {
+        param.m_dwStates = FWL_PARTSTATE_FRM_Disabled;
+      } else if (FWL_PARTSTATE_FRM_Normal == param.m_dwStates && m_bMouseIn) {
+        param.m_dwStates = FWL_PARTSTATE_FRM_Hover;
+      }
+      param.m_rtPart = m_pCloseBox->m_rtBtn;
+      pTheme->DrawBackground(&param);
+    }
+    if (m_pMaxBox) {
+      param.m_iPart = FWL_PART_FRM_MaximizeBox;
+      param.m_dwStates = m_pMaxBox->GetPartState();
+      if (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) {
+        param.m_dwStates = FWL_PARTSTATE_FRM_Disabled;
+      } else if (FWL_PARTSTATE_FRM_Normal == param.m_dwStates && m_bMouseIn) {
+        param.m_dwStates = FWL_PARTSTATE_FRM_Hover;
+      }
+      param.m_rtPart = m_pMaxBox->m_rtBtn;
+      param.m_dwData = m_bMaximized;
+      pTheme->DrawBackground(&param);
+    }
+    if (m_pMinBox) {
+      param.m_iPart = FWL_PART_FRM_MinimizeBox;
+      param.m_dwStates = m_pMinBox->GetPartState();
+      if (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) {
+        param.m_dwStates = FWL_PARTSTATE_FRM_Disabled;
+      } else if (FWL_PARTSTATE_FRM_Normal == param.m_dwStates && m_bMouseIn) {
+        param.m_dwStates = FWL_PARTSTATE_FRM_Hover;
+      }
+      param.m_rtPart = m_pMinBox->m_rtBtn;
+      pTheme->DrawBackground(&param);
+    }
+    m_bMouseIn = FALSE;
+  }
+#else
+  {
+    if (m_pCloseBox) {
+      param.m_iPart = FWL_PART_FRM_CloseBox;
+      param.m_dwStates = m_pCloseBox->GetPartState();
+      param.m_rtPart = m_pCloseBox->m_rtBtn;
+      pTheme->DrawBackground(&param);
+    }
+    if (m_pMaxBox) {
+      param.m_iPart = FWL_PART_FRM_MaximizeBox;
+      param.m_dwStates = m_pMaxBox->GetPartState();
+      param.m_rtPart = m_pMaxBox->m_rtBtn;
+      param.m_dwData = m_bMaximized;
+      pTheme->DrawBackground(&param);
+    }
+    if (m_pMinBox) {
+      param.m_iPart = FWL_PART_FRM_MinimizeBox;
+      param.m_dwStates = m_pMinBox->GetPartState();
+      param.m_rtPart = m_pMinBox->m_rtBtn;
+      pTheme->DrawBackground(&param);
+    }
+  }
+#endif
+  return FWL_ERR_Succeeded;
+}
+FWL_FORMSIZE CFWL_FormImp::GetFormSize() {
+  return m_eFormSize;
+}
+FWL_ERR CFWL_FormImp::SetFormSize(FWL_FORMSIZE eFormSize) {
+  m_eFormSize = eFormSize;
+  return FWL_ERR_Succeeded;
+}
+IFWL_Widget* CFWL_FormImp::DoModal() {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return NULL;
+  IFWL_NoteDriver* pDriver = pThread->GetNoteDriver();
+  if (!pDriver)
+    return NULL;
+  m_pNoteLoop = new CFWL_NoteLoop(this);
+  pDriver->PushNoteLoop(m_pNoteLoop);
+  m_bDoModalFlag = TRUE;
+  SetStates(FWL_WGTSTATE_Invisible, FALSE);
+  pDriver->Run();
+#if (_FX_OS_ == _FX_MACOSX_)
+#else
+  pDriver->PopNoteLoop();
+#endif
+  delete m_pNoteLoop;
+  m_pNoteLoop = NULL;
+  return NULL;
+}
+IFWL_Widget* CFWL_FormImp::DoModal(FX_DWORD& dwCommandID) {
+  return DoModal();
+}
+FWL_ERR CFWL_FormImp::EndDoModal() {
+  if (!m_pNoteLoop)
+    return FWL_ERR_Indefinite;
+  m_bDoModalFlag = FALSE;
+#if (_FX_OS_ == _FX_MACOSX_)
+  m_pNoteLoop->EndModalLoop();
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return FWL_ERR_Indefinite;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  if (!pDriver)
+    return FWL_ERR_Indefinite;
+  pDriver->PopNoteLoop();
+  SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  return FWL_ERR_Succeeded;
+#else
+  SetStates(FWL_WGTSTATE_Invisible, TRUE);
+  return m_pNoteLoop->EndModalLoop();
+#endif
+}
+FWL_ERR CFWL_FormImp::SetBorderRegion(CFX_Path* pPath) {
+  return FWL_ERR_Succeeded;
+}
+void CFWL_FormImp::DrawBackground(CFX_Graphics* pGraphics,
+                                  IFWL_ThemeProvider* pTheme) {
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_FRM_Background;
+  param.m_pGraphics = pGraphics;
+  param.m_rtPart = m_rtRelative;
+  param.m_rtPart.Deflate(m_fCYBorder, m_rtCaption.height, m_fCYBorder,
+                         m_fCXBorder);
+  pTheme->DrawBackground(&param);
+}
+CFWL_WidgetImp* CFWL_FormImp::GetSubFocus() {
+  return m_pSubFocus;
+}
+void CFWL_FormImp::SetSubFocus(CFWL_WidgetImp* pWidget) {
+  m_pSubFocus = pWidget;
+}
+CFX_MapAccelerators& CFWL_FormImp::GetAccelerator() {
+  return m_mapAccelerators;
+}
+void CFWL_FormImp::SetAccelerator(CFX_MapAccelerators* pAccelerators) {
+  if (!pAccelerators)
+    return;
+  m_mapAccelerators.RemoveAll();
+  FX_DWORD vrKey, rValue;
+  FX_POSITION pos = pAccelerators->GetStartPosition();
+  while (pos) {
+    pAccelerators->GetNextAssoc(pos, vrKey, rValue);
+    m_mapAccelerators.SetAt(vrKey, rValue);
+  }
+}
+void CFWL_FormImp::ShowChildWidget(IFWL_Widget* pParent) {
+  IFWL_App* pApp = FWL_GetApp();
+  if (!pApp)
+    return;
+  CFWL_WidgetMgr* pWidgetMgr =
+      static_cast<CFWL_WidgetMgr*>(pApp->GetWidgetMgr());
+  if (!pWidgetMgr)
+    return;
+  IFWL_Widget* pChild =
+      pWidgetMgr->GetWidget(pParent, FWL_WGTRELATION_FirstChild);
+  while (pChild) {
+    pWidgetMgr->ShowWidget_Native(pChild);
+    ShowChildWidget(pChild);
+    pChild = pWidgetMgr->GetWidget(pChild, FWL_WGTRELATION_NextSibling);
+  }
+}
+void CFWL_FormImp::RemoveSysButtons() {
+  m_rtCaption.Reset();
+  if (m_pCloseBox) {
+    delete m_pCloseBox;
+    m_pCloseBox = NULL;
+  }
+  if (m_pMinBox) {
+    delete m_pMinBox;
+    m_pMinBox = NULL;
+  }
+  if (m_pMaxBox) {
+    delete m_pMaxBox;
+    m_pMaxBox = NULL;
+  }
+  if (m_pCaptionBox) {
+    delete m_pCaptionBox;
+    m_pCaptionBox = NULL;
+  }
+}
+void CFWL_FormImp::CalcContentRect(CFX_RectF& rtContent) {
+#ifdef FWL_UseMacSystemBorder
+  rtContent = m_rtRelative;
+#else
+  GetEdgeRect(rtContent);
+  if (HasEdge()) {
+    FX_FLOAT fEdge = GetEdgeWidth();
+    rtContent.Deflate(fEdge, fEdge);
+  }
+#endif
+}
+CFWL_SysBtn* CFWL_FormImp::GetSysBtnAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
+  if (m_pCloseBox && m_pCloseBox->m_rtBtn.Contains(fx, fy)) {
+    return m_pCloseBox;
+  }
+  if (m_pMaxBox && m_pMaxBox->m_rtBtn.Contains(fx, fy)) {
+    return m_pMaxBox;
+  }
+  if (m_pMinBox && m_pMinBox->m_rtBtn.Contains(fx, fy)) {
+    return m_pMinBox;
+  }
+  if (m_pCaptionBox && m_pCaptionBox->m_rtBtn.Contains(fx, fy)) {
+    return m_pCaptionBox;
+  }
+  return NULL;
+}
+CFWL_SysBtn* CFWL_FormImp::GetSysBtnByState(FX_DWORD dwState) {
+  if (m_pCloseBox && (m_pCloseBox->m_dwState & dwState)) {
+    return m_pCloseBox;
+  }
+  if (m_pMaxBox && (m_pMaxBox->m_dwState & dwState)) {
+    return m_pMaxBox;
+  }
+  if (m_pMinBox && (m_pMinBox->m_dwState & dwState)) {
+    return m_pMinBox;
+  }
+  if (m_pCaptionBox && (m_pCaptionBox->m_dwState & dwState)) {
+    return m_pCaptionBox;
+  }
+  return NULL;
+}
+CFWL_SysBtn* CFWL_FormImp::GetSysBtnByIndex(int32_t nIndex) {
+  if (nIndex < 0) {
+    return NULL;
+  }
+  CFX_PtrArray arrBtn;
+  if (m_pMinBox) {
+    arrBtn.Add(m_pMinBox);
+  }
+  if (m_pMaxBox) {
+    arrBtn.Add(m_pMaxBox);
+  }
+  if (m_pCloseBox) {
+    arrBtn.Add(m_pCloseBox);
+  }
+  return static_cast<CFWL_SysBtn*>(arrBtn[nIndex]);
+}
+int32_t CFWL_FormImp::GetSysBtnIndex(CFWL_SysBtn* pBtn) {
+  CFX_PtrArray arrBtn;
+  if (m_pMinBox) {
+    arrBtn.Add(m_pMinBox);
+  }
+  if (m_pMaxBox) {
+    arrBtn.Add(m_pMaxBox);
+  }
+  if (m_pCloseBox) {
+    arrBtn.Add(m_pCloseBox);
+  }
+  return arrBtn.Find(pBtn);
+}
+FX_FLOAT CFWL_FormImp::GetCaptionHeight() {
+  FX_DWORD dwCapacity = 0;
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Caption) {
+    dwCapacity = FWL_WGTCAPACITY_FRM_CYCaption;
+  } else if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_NarrowCaption) {
+    dwCapacity = FWL_WGTCAPACITY_FRM_CYNarrowCaption;
+  }
+  if (dwCapacity > 0) {
+    FX_FLOAT* pfCapHeight =
+        static_cast<FX_FLOAT*>(GetThemeCapacity(dwCapacity));
+    return pfCapHeight ? *pfCapHeight : 0;
+  }
+  return 0;
+}
+void CFWL_FormImp::DrawCaptionText(CFX_Graphics* pGs,
+                                   IFWL_ThemeProvider* pTheme,
+                                   const CFX_Matrix* pMatrix) {
+  CFX_WideString wsText;
+  IFWL_DataProvider* pData = m_pProperties->m_pDataProvider;
+  pData->GetCaption(m_pInterface, wsText);
+  if (wsText.IsEmpty()) {
+    return;
+  }
+  CFWL_ThemeText textParam;
+  textParam.m_pWidget = m_pInterface;
+  textParam.m_iPart = FWL_PART_FRM_Caption;
+  textParam.m_dwStates = FWL_PARTSTATE_FRM_Normal;
+  textParam.m_pGraphics = pGs;
+  if (pMatrix) {
+    textParam.m_matrix.Concat(*pMatrix);
+  }
+  CFX_RectF rtText;
+  if (m_bCustomizeLayout) {
+    rtText = m_rtCaptionText;
+    rtText.top -= 5;
+  } else {
+    rtText = m_rtCaption;
+    FX_FLOAT fpos;
+    fpos = HasIcon() ? 29.0f : 13.0f;
+    rtText.left += fpos;
+  }
+  textParam.m_rtPart = rtText;
+  textParam.m_wsText = wsText;
+  textParam.m_dwTTOStyles = FDE_TTOSTYLE_SingleLine | FDE_TTOSTYLE_Ellipsis;
+  textParam.m_iTTOAlign = m_bCustomizeLayout ? FDE_TTOALIGNMENT_Center
+                                             : FDE_TTOALIGNMENT_CenterLeft;
+  pTheme->DrawText(&textParam);
+}
+void CFWL_FormImp::DrawIconImage(CFX_Graphics* pGs,
+                                 IFWL_ThemeProvider* pTheme,
+                                 const CFX_Matrix* pMatrix) {
+  IFWL_FormDP* pData =
+      static_cast<IFWL_FormDP*>(m_pProperties->m_pDataProvider);
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = FWL_PART_FRM_Icon;
+  param.m_pGraphics = pGs;
+  param.m_pImage = pData->GetIcon(m_pInterface, FALSE);
+  param.m_rtPart = m_rtIcon;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix);
+  }
+  pTheme->DrawBackground(&param);
+}
+void CFWL_FormImp::GetEdgeRect(CFX_RectF& rtEdge) {
+  rtEdge = m_rtRelative;
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border) {
+    FX_FLOAT fCX = GetBorderSize();
+    FX_FLOAT fCY = GetBorderSize(FALSE);
+    rtEdge.Deflate(fCX, m_rtCaption.Height(), fCX, fCY);
+  }
+}
+void CFWL_FormImp::SetWorkAreaRect() {
+  m_rtRestore = m_pProperties->m_rtWidget;
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return;
+  m_bSetMaximize = TRUE;
+  pWidgetMgr->SetMaximize_Native(m_pInterface);
+  Repaint(&m_rtRelative);
+}
+void CFWL_FormImp::SetCursor(FX_FLOAT fx, FX_FLOAT fy) {}
+void CFWL_FormImp::Layout() {
+  GetRelativeRect(m_rtRelative);
+#ifndef FWL_UseMacSystemBorder
+  ReSetSysBtn();
+#endif
+  if (m_pContent) {
+    CFX_RectF rtClient;
+    GetClientRect(rtClient);
+    m_pContent->SetWidgetRect(rtClient);
+    m_pContent->Update();
+  }
+}
+void CFWL_FormImp::ReSetSysBtn() {
+  m_fCXBorder =
+      *static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_CXBorder));
+  m_fCYBorder =
+      *static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_CYBorder));
+  RemoveSysButtons();
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  m_bCustomizeLayout = pTheme->IsCustomizedLayout(m_pInterface);
+  FX_FLOAT fCapHeight = GetCaptionHeight();
+  if (fCapHeight > 0) {
+    m_rtCaption = m_rtRelative;
+    m_rtCaption.height = fCapHeight;
+  }
+  m_iSysBox = 0;
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_CloseBox) {
+    m_pCloseBox = new CFWL_SysBtn;
+    if (m_bCustomizeLayout) {
+      CFWL_ThemeBackground param;
+      param.m_pWidget = m_pInterface;
+      param.m_iPart = FWL_PART_FRM_CloseBox;
+      pTheme->GetPartRect(&param, m_pCloseBox->m_rtBtn);
+    } else {
+      m_pCloseBox->m_rtBtn.Set(
+          m_rtRelative.right() - FWL_SYSBTNMARGIN - FWL_SYSBTNSIZE,
+          FWL_SYSBTNMARGIN, FWL_SYSBTNSIZE, FWL_SYSBTNSIZE);
+    }
+    m_iSysBox++;
+  }
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_MaximizeBox) {
+    m_pMaxBox = new CFWL_SysBtn;
+    if (m_bCustomizeLayout) {
+      CFWL_ThemeBackground param;
+      param.m_pWidget = m_pInterface;
+      param.m_iPart = FWL_PART_FRM_MaximizeBox;
+      pTheme->GetPartRect(&param, m_pMaxBox->m_rtBtn);
+    } else {
+      if (m_pCloseBox) {
+        m_pMaxBox->m_rtBtn.Set(
+            m_pCloseBox->m_rtBtn.left - FWL_SYSBTNSPAN - FWL_SYSBTNSIZE,
+            m_pCloseBox->m_rtBtn.top, FWL_SYSBTNSIZE, FWL_SYSBTNSIZE);
+      } else {
+        m_pMaxBox->m_rtBtn.Set(
+            m_rtRelative.right() - FWL_SYSBTNMARGIN - FWL_SYSBTNSIZE,
+            FWL_SYSBTNMARGIN, FWL_SYSBTNSIZE, FWL_SYSBTNSIZE);
+      }
+    }
+    m_iSysBox++;
+  }
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_MinimizeBox) {
+    m_pMinBox = new CFWL_SysBtn;
+    if (m_bCustomizeLayout) {
+      CFWL_ThemeBackground param;
+      param.m_pWidget = m_pInterface;
+      param.m_iPart = FWL_PART_FRM_MinimizeBox;
+      pTheme->GetPartRect(&param, m_pMinBox->m_rtBtn);
+    } else {
+      if (m_pMaxBox) {
+        m_pMinBox->m_rtBtn.Set(
+            m_pMaxBox->m_rtBtn.left - FWL_SYSBTNSPAN - FWL_SYSBTNSIZE,
+            m_pMaxBox->m_rtBtn.top, FWL_SYSBTNSIZE, FWL_SYSBTNSIZE);
+      } else if (m_pCloseBox) {
+        m_pMinBox->m_rtBtn.Set(
+            m_pCloseBox->m_rtBtn.left - FWL_SYSBTNSPAN - FWL_SYSBTNSIZE,
+            m_pCloseBox->m_rtBtn.top, FWL_SYSBTNSIZE, FWL_SYSBTNSIZE);
+      } else {
+        m_pMinBox->m_rtBtn.Set(
+            m_rtRelative.right() - FWL_SYSBTNMARGIN - FWL_SYSBTNSIZE,
+            FWL_SYSBTNMARGIN, FWL_SYSBTNSIZE, FWL_SYSBTNSIZE);
+      }
+    }
+    m_iSysBox++;
+  }
+  IFWL_FormDP* pData =
+      static_cast<IFWL_FormDP*>(m_pProperties->m_pDataProvider);
+  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Icon &&
+      pData->GetIcon(m_pInterface, FALSE)) {
+    if (m_bCustomizeLayout) {
+      CFWL_ThemeBackground param;
+      param.m_pWidget = m_pInterface;
+      param.m_iPart = FWL_PART_FRM_Icon;
+      CFX_WideString wsText;
+      m_pProperties->m_pDataProvider->GetCaption(m_pInterface, wsText);
+      param.m_pData = &wsText;
+      pTheme->GetPartRect(&param, m_rtIcon);
+    } else {
+      m_rtIcon.Set(5, (m_rtCaption.height - m_fSmallIconSz) / 2, m_fSmallIconSz,
+                   m_fSmallIconSz);
+    }
+  }
+  if (m_bCustomizeLayout) {
+    CFWL_ThemeText parma;
+    parma.m_pWidget = m_pInterface;
+    parma.m_iPart = FWL_PART_FRM_HeadText;
+    m_pProperties->m_pDataProvider->GetCaption(m_pInterface, parma.m_wsText);
+    pTheme->GetPartRect(&parma, m_rtCaptionText);
+  }
+}
+void CFWL_FormImp::RegisterForm() {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  if (!pDriver)
+    return;
+  pDriver->RegisterForm(this);
+}
+void CFWL_FormImp::UnRegisterForm() {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  if (!pDriver)
+    return;
+  pDriver->UnRegisterForm(this);
+}
+FX_BOOL CFWL_FormImp::IsDoModal() {
+  return m_bDoModalFlag;
+}
+void CFWL_FormImp::SetThemeData() {
+  m_fSmallIconSz =
+      *static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_FRM_SmallIcon));
+  m_fBigIconSz =
+      *static_cast<FX_FLOAT*>(GetThemeCapacity(FWL_WGTCAPACITY_FRM_BigIcon));
+}
+FX_BOOL CFWL_FormImp::HasIcon() {
+  IFWL_FormDP* pData =
+      static_cast<IFWL_FormDP*>(m_pProperties->m_pDataProvider);
+  return !!pData->GetIcon(m_pInterface, FALSE);
+}
+void CFWL_FormImp::UpdateIcon() {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return;
+  IFWL_FormDP* pData =
+      static_cast<IFWL_FormDP*>(m_pProperties->m_pDataProvider);
+  CFX_DIBitmap* pBigIcon = pData->GetIcon(m_pInterface, TRUE);
+  CFX_DIBitmap* pSmallIcon = pData->GetIcon(m_pInterface, FALSE);
+  if (pBigIcon && pBigIcon != m_pBigIcon) {
+    m_pBigIcon = pBigIcon;
+    pWidgetMgr->SetWidgetIcon_Native(m_pInterface, m_pBigIcon, TRUE);
+  }
+  if (pSmallIcon && pSmallIcon != m_pSmallIcon) {
+    m_pSmallIcon = pSmallIcon;
+    pWidgetMgr->SetWidgetIcon_Native(m_pInterface, m_pBigIcon, FALSE);
+  }
+}
+void CFWL_FormImp::UpdateCaption() {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return;
+  IFWL_FormDP* pData =
+      static_cast<IFWL_FormDP*>(m_pProperties->m_pDataProvider);
+  if (!pData)
+    return;
+  CFX_WideString text;
+  pData->GetCaption(m_pInterface, text);
+  pWidgetMgr->SetWidgetCaption_Native(m_pInterface, text);
+}
+void CFWL_FormImp::DoWidthLimit(FX_FLOAT& fLeft,
+                                FX_FLOAT& fWidth,
+                                FX_FLOAT fCurX,
+                                FX_FLOAT fSpace,
+                                FX_FLOAT fLimitMin,
+                                FX_FLOAT fLimitMax,
+                                FX_BOOL bLeft) {
+  FX_FLOAT fx = fCurX;
+  FX_FLOAT fy = 0;
+  TransformTo(NULL, fx, fy);
+  FX_FLOAT fTemp =
+      bLeft ? (fWidth - fx + fLeft + fSpace) : (fx - fLeft + fSpace);
+  if (fTemp >= fLimitMin && fTemp <= fLimitMax) {
+    fWidth = fTemp;
+    fLeft += bLeft ? (fx - fLeft - fSpace) : 0;
+  } else {
+    if (fTemp < fLimitMin && fWidth > fLimitMin) {
+      fLeft += bLeft ? (fWidth - fLimitMin) : 0;
+      fWidth = fLimitMin;
+    } else if (fTemp > fLimitMax && fWidth < fLimitMax) {
+      fLeft -= bLeft ? (fLimitMax - fWidth) : 0;
+      fWidth = fLimitMax;
+    }
+  }
+}
+void CFWL_FormImp::DoHeightLimit(FX_FLOAT& fTop,
+                                 FX_FLOAT& fHeight,
+                                 FX_FLOAT fCurY,
+                                 FX_FLOAT fSpace,
+                                 FX_FLOAT fLimitMin,
+                                 FX_FLOAT fLimitMax,
+                                 FX_BOOL bTop) {
+  FX_FLOAT fx = 0;
+  FX_FLOAT fy = fCurY;
+  TransformTo(NULL, fx, fy);
+  FX_FLOAT fTemp = bTop ? (fHeight - fy + fTop + fSpace) : (fy - fTop + fSpace);
+  if (fTemp >= fLimitMin && fTemp <= fLimitMax) {
+    fHeight = fTemp;
+    fTop += bTop ? (fy - fTop - fSpace) : 0;
+  } else {
+    if (fTemp < fLimitMin && fHeight > fLimitMin) {
+      fTop += bTop ? (fHeight - fLimitMin) : 0;
+      fHeight = fLimitMin;
+    } else if (fTemp > fLimitMax && fHeight < fLimitMax) {
+      fTop -= bTop ? (fLimitMax - fHeight) : 0;
+      fHeight = fLimitMax;
+    }
+  }
+}
+CFWL_FormImpDelegate::CFWL_FormImpDelegate(CFWL_FormImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_FormImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+#ifdef FWL_UseMacSystemBorder
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_Activate: {
+      m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
+      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
+      break;
+    }
+    case FWL_MSGHASH_Deactivate: {
+      m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Deactivated;
+      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
+      break;
+    }
+  }
+  return FWL_ERR_Succeeded;
+#else
+  if (!pMessage)
+    return 0;
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  int32_t iRet = 1;
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_Activate: {
+      m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
+      IFWL_NoteThread* pThread = m_pOwner->GetOwnerThread();
+      CFWL_NoteDriver* pDriver =
+          static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+      CFWL_WidgetImp* pSubFocusImp = m_pOwner->GetSubFocus();
+      IFWL_Widget* pSubFocus =
+          pSubFocusImp ? pSubFocusImp->GetInterface() : NULL;
+      if (pSubFocus && pSubFocus != pDriver->GetFocus()) {
+        pDriver->SetFocus(pSubFocus);
+      }
+      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
+      break;
+    }
+    case FWL_MSGHASH_Deactivate: {
+      m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Deactivated;
+      IFWL_NoteThread* pThread = m_pOwner->GetOwnerThread();
+      CFWL_NoteDriver* pDriver =
+          static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+      CFWL_WidgetImp* pSubFocusImp = m_pOwner->GetSubFocus();
+      IFWL_Widget* pSubFocus =
+          pSubFocusImp ? pSubFocusImp->GetInterface() : NULL;
+      if (pSubFocus) {
+        if (pSubFocus == pDriver->GetFocus()) {
+          pDriver->SetFocus(NULL);
+        } else if (pSubFocus->GetStates() & FWL_WGTSTATE_Focused) {
+          CFWL_MsgKillFocus ms;
+          IFWL_WidgetDelegate* pDelegate = pSubFocus->SetDelegate(NULL);
+          if (pDelegate) {
+            pDelegate->OnProcessMessage(&ms);
+          }
+        }
+      }
+      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      switch (pMsg->m_dwCmd) {
+        case FWL_MSGMOUSECMD_LButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseMove: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseHover: {
+          OnMouseHover(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_MouseLeave: {
+          OnMouseLeave(pMsg);
+          break;
+        }
+        case FWL_MSGMOUSECMD_LButtonDblClk: {
+          OnLButtonDblClk(pMsg);
+          break;
+        }
+      }
+      break;
+    }
+    case FWL_MSGHASH_Size: {
+      CFWL_WidgetMgr* pWidgetMgr =
+          static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+      if (!pWidgetMgr)
+        return 0;
+      pWidgetMgr->AddRedrawCounts(m_pOwner->m_pInterface);
+      if (!m_pOwner->m_bSetMaximize) {
+        break;
+      }
+      m_pOwner->m_bSetMaximize = FALSE;
+      CFWL_MsgSize* pMsg = static_cast<CFWL_MsgSize*>(pMessage);
+      CFX_RectF rt;
+      pWidgetMgr->GetWidgetRect_Native(m_pOwner->m_pInterface, rt);
+      m_pOwner->m_pProperties->m_rtWidget.left = rt.left;
+      m_pOwner->m_pProperties->m_rtWidget.top = rt.top;
+      m_pOwner->m_pProperties->m_rtWidget.width = (FX_FLOAT)pMsg->m_iWidth;
+      m_pOwner->m_pProperties->m_rtWidget.height = (FX_FLOAT)pMsg->m_iHeight;
+      m_pOwner->Update();
+      break;
+    }
+    case FWL_MSGHASH_WindowMove: {
+      OnWindowMove(static_cast<CFWL_MsgWindowMove*>(pMessage));
+      break;
+    }
+    case FWL_MSGHASH_Close: {
+      OnClose(static_cast<CFWL_MsgClose*>(pMessage));
+      break;
+    }
+    default: { iRet = 0; }
+  }
+  return iRet;
+#endif
+}
+FWL_ERR CFWL_FormImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  if (!pEvent)
+    return FWL_ERR_Indefinite;
+  if (pEvent->GetClassID() == FWL_EVTHASH_Close &&
+      pEvent->m_pSrcTarget == m_pOwner->m_pInterface) {
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_FormImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                           const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
+void CFWL_FormImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
+  m_pOwner->SetGrab(TRUE);
+  m_pOwner->m_bLButtonDown = TRUE;
+  m_pOwner->m_eResizeType = FORM_RESIZETYPE_None;
+  CFWL_SysBtn* pPressBtn = m_pOwner->GetSysBtnAtPoint(pMsg->m_fx, pMsg->m_fy);
+  m_pOwner->m_iCaptureBtn = m_pOwner->GetSysBtnIndex(pPressBtn);
+  CFX_RectF rtCap;
+  rtCap.Set(m_pOwner->m_rtCaption.left + m_pOwner->m_fCYBorder,
+            m_pOwner->m_rtCaption.top + m_pOwner->m_fCXBorder,
+            m_pOwner->m_rtCaption.width - FWL_SYSBTNSIZE * m_pOwner->m_iSysBox -
+                2 * m_pOwner->m_fCYBorder,
+            m_pOwner->m_rtCaption.height - m_pOwner->m_fCXBorder);
+  if (pPressBtn) {
+    pPressBtn->SetPressed();
+    m_pOwner->Repaint(&pPressBtn->m_rtBtn);
+  } else if (rtCap.Contains(pMsg->m_fx, pMsg->m_fy)) {
+    m_pOwner->m_eResizeType = FORM_RESIZETYPE_Cap;
+  } else if ((m_pOwner->m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border) &&
+             (m_pOwner->m_pProperties->m_dwStyleExes &
+              FWL_STYLEEXT_FRM_Resize) &&
+             !m_pOwner->m_bMaximized) {
+    m_pOwner->SetCursor(pMsg->m_fx, pMsg->m_fy);
+  }
+  m_pOwner->m_InfoStart.m_ptStart = CFX_PointF(pMsg->m_fx, pMsg->m_fy);
+  m_pOwner->m_InfoStart.m_szStart =
+      CFX_SizeF(m_pOwner->m_pProperties->m_rtWidget.width,
+                m_pOwner->m_pProperties->m_rtWidget.height);
+}
+void CFWL_FormImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
+  m_pOwner->SetGrab(FALSE);
+  m_pOwner->m_bLButtonDown = FALSE;
+  CFWL_SysBtn* pPointBtn = m_pOwner->GetSysBtnAtPoint(pMsg->m_fx, pMsg->m_fy);
+  CFWL_SysBtn* pPressedBtn =
+      m_pOwner->GetSysBtnByIndex(m_pOwner->m_iCaptureBtn);
+  if (!pPressedBtn || pPointBtn != pPressedBtn) {
+    return;
+  }
+  if (pPressedBtn == m_pOwner->GetSysBtnByState(FWL_SYSBUTTONSTATE_Pressed)) {
+    pPressedBtn->SetNormal();
+  }
+  if (pPressedBtn == m_pOwner->m_pMaxBox) {
+    if (m_pOwner->m_bMaximized) {
+      m_pOwner->SetWidgetRect(m_pOwner->m_rtRestore);
+      m_pOwner->Update();
+      m_pOwner->Repaint();
+    } else {
+      m_pOwner->SetWorkAreaRect();
+      m_pOwner->Update();
+    }
+    m_pOwner->m_bMaximized = !m_pOwner->m_bMaximized;
+  } else if (pPressedBtn == m_pOwner->m_pMinBox) {
+    CFWL_WidgetMgr* pWidgetMgr =
+        static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+    if (!pWidgetMgr)
+      return;
+    pWidgetMgr->SetMinimize_Native(m_pOwner->m_pInterface);
+  } else {
+    CFWL_EvtClose eClose;
+    eClose.m_pSrcTarget = m_pOwner->m_pInterface;
+    m_pOwner->DispatchEvent(&eClose);
+  }
+}
+void CFWL_FormImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
+  if (m_pOwner->m_bLButtonDown) {
+    return;
+  }
+  if ((m_pOwner->m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border) &&
+      (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_FRM_Resize) &&
+      !m_pOwner->m_bMaximized) {
+    m_pOwner->SetCursor(pMsg->m_fx, pMsg->m_fy);
+  }
+  CFX_RectF rtInvalidate;
+  rtInvalidate.Reset();
+  CFWL_SysBtn* pPointBtn = m_pOwner->GetSysBtnAtPoint(pMsg->m_fx, pMsg->m_fy);
+  CFWL_SysBtn* pOldHover = m_pOwner->GetSysBtnByState(FWL_SYSBUTTONSTATE_Hover);
+#if (_FX_OS_ == _FX_MACOSX_)
+  {
+    if (pOldHover && pPointBtn != pOldHover) {
+      pOldHover->SetNormal();
+    }
+    if (pPointBtn && pPointBtn != pOldHover) {
+      pPointBtn->SetHover();
+    }
+    if (m_pOwner->m_pCloseBox) {
+      rtInvalidate = m_pOwner->m_pCloseBox->m_rtBtn;
+    }
+    if (m_pOwner->m_pMaxBox) {
+      if (rtInvalidate.IsEmpty()) {
+        rtInvalidate = m_pOwner->m_pMaxBox->m_rtBtn;
+      } else {
+        rtInvalidate.Union(m_pOwner->m_pMaxBox->m_rtBtn);
+      }
+    }
+    if (m_pOwner->m_pMinBox) {
+      if (rtInvalidate.IsEmpty()) {
+        rtInvalidate = m_pOwner->m_pMinBox->m_rtBtn;
+      } else {
+        rtInvalidate.Union(m_pOwner->m_pMinBox->m_rtBtn);
+      }
+    }
+    if (!rtInvalidate.IsEmpty() &&
+        rtInvalidate.Contains(pMsg->m_fx, pMsg->m_fy)) {
+      m_pOwner->m_bMouseIn = TRUE;
+    }
+  }
+#else
+  {
+    if (pOldHover && pPointBtn != pOldHover) {
+      pOldHover->SetNormal();
+      rtInvalidate = pOldHover->m_rtBtn;
+    }
+    if (pPointBtn && pPointBtn != pOldHover) {
+      pPointBtn->SetHover();
+      if (rtInvalidate.IsEmpty()) {
+        rtInvalidate = pPointBtn->m_rtBtn;
+      } else {
+        rtInvalidate.Union(pPointBtn->m_rtBtn);
+      }
+    }
+  }
+#endif
+  if (!rtInvalidate.IsEmpty()) {
+    m_pOwner->Repaint(&rtInvalidate);
+  }
+}
+void CFWL_FormImpDelegate::OnMouseHover(CFWL_MsgMouse* pMsg) {
+  m_pOwner->SetCursor(pMsg->m_fx, pMsg->m_fy);
+}
+void CFWL_FormImpDelegate::OnMouseLeave(CFWL_MsgMouse* pMsg) {
+  CFWL_SysBtn* pHover = m_pOwner->GetSysBtnByState(FWL_SYSBUTTONSTATE_Hover);
+  if (pHover) {
+    pHover->SetNormal();
+    m_pOwner->Repaint(&pHover->m_rtBtn);
+  }
+  if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_MouseLeave &&
+      !m_pOwner->m_bLButtonDown) {
+    m_pOwner->SetCursor(pMsg->m_fx, pMsg->m_fy);
+  }
+}
+void CFWL_FormImpDelegate::OnLButtonDblClk(CFWL_MsgMouse* pMsg) {
+  if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_FRM_Resize) &&
+      m_pOwner->HitTest(pMsg->m_fx, pMsg->m_fy) == FWL_WGTHITTEST_Titlebar) {
+    if (m_pOwner->m_bMaximized) {
+      m_pOwner->SetWidgetRect(m_pOwner->m_rtRestore);
+    } else {
+      m_pOwner->SetWorkAreaRect();
+    }
+    m_pOwner->Update();
+    m_pOwner->m_bMaximized = !m_pOwner->m_bMaximized;
+  }
+}
+void CFWL_FormImpDelegate::OnWindowMove(CFWL_MsgWindowMove* pMsg) {
+  m_pOwner->m_pProperties->m_rtWidget.left = pMsg->m_fx;
+  m_pOwner->m_pProperties->m_rtWidget.top = pMsg->m_fy;
+}
+void CFWL_FormImpDelegate::OnClose(CFWL_MsgClose* pMsg) {
+  CFWL_EvtClose eClose;
+  eClose.m_pSrcTarget = m_pOwner->m_pInterface;
+  m_pOwner->DispatchEvent(&eClose);
+}
+FWL_ERR FWL_Accelerator_SetForm(IFWL_Form* pFrom,
+                                CFX_MapAccelerators* pMapAccel) {
+  CFWL_FormImp* pImp = static_cast<CFWL_FormImp*>(pFrom->GetImpl());
+  if (!pImp)
+    return FWL_ERR_Indefinite;
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/core/fwl_formimp.h b/xfa/fwl/core/fwl_formimp.h
new file mode 100644
index 0000000000..eddc1d6032
--- /dev/null
+++ b/xfa/fwl/core/fwl_formimp.h
@@ -0,0 +1,193 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_FORMIMP_H_
+#define XFA_FWL_CORE_FWL_FORMIMP_H_
+
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/core/fwl_form.h"
+
+class CFWL_NoteLoop;
+class CFWL_WidgetImpProperties;
+class CFWL_MsgMouse;
+class IFWL_Widget;
+class IFWL_ThemeProvider;
+class CFWL_SysBtn;
+class CFWL_FormImp;
+class CFWL_FormImpDelegate;
+
+#define FWL_SYSBUTTONSTATE_Hover 0x0001
+#define FWL_SYSBUTTONSTATE_Pressed 0x0002
+#define FWL_SYSBUTTONSTATE_Disabled 0x0010
+class CFWL_SysBtn {
+ public:
+  CFWL_SysBtn() {
+    m_rtBtn.Set(0, 0, 0, 0);
+    m_dwState = 0;
+  }
+
+  FX_BOOL IsHover() { return m_dwState & FWL_SYSBUTTONSTATE_Hover; }
+  FX_BOOL IsPressed() { return m_dwState & FWL_SYSBUTTONSTATE_Pressed; }
+  FX_BOOL IsDisabled() { return m_dwState & FWL_SYSBUTTONSTATE_Disabled; }
+  void SetNormal() { m_dwState &= 0xFFF0; }
+  void SetPressed() {
+    SetNormal();
+    m_dwState |= FWL_SYSBUTTONSTATE_Pressed;
+  }
+  void SetHover() {
+    SetNormal();
+    m_dwState |= FWL_SYSBUTTONSTATE_Hover;
+  }
+  void SetDisabled(FX_BOOL bDisabled) {
+    bDisabled ? m_dwState |= FWL_SYSBUTTONSTATE_Disabled
+              : m_dwState &= ~FWL_SYSBUTTONSTATE_Disabled;
+  }
+  int32_t GetPartState() {
+    return (IsDisabled() ? FWL_PARTSTATE_FRM_Disabled : (m_dwState + 1));
+  }
+
+  CFX_RectF m_rtBtn;
+  FX_DWORD m_dwState;
+};
+enum FORM_RESIZETYPE {
+  FORM_RESIZETYPE_None = 0,
+  FORM_RESIZETYPE_Cap,
+  FORM_RESIZETYPE_Left,
+  FORM_RESIZETYPE_Top,
+  FORM_RESIZETYPE_Right,
+  FORM_RESIZETYPE_Bottom,
+  FORM_RESIZETYPE_LeftTop,
+  FORM_RESIZETYPE_LeftBottom,
+  FORM_RESIZETYPE_RightTop,
+  FORM_RESIZETYPE_RightBottom
+};
+typedef struct RestoreResizeInfo {
+  CFX_PointF m_ptStart;
+  CFX_SizeF m_szStart;
+} RestoreInfo;
+class CFWL_FormImp : public CFWL_PanelImp {
+ public:
+  CFWL_FormImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
+  virtual ~CFWL_FormImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR GetClientRect(CFX_RectF& rect);
+  virtual FWL_ERR Update();
+  virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual FWL_FORMSIZE GetFormSize();
+  virtual FWL_ERR SetFormSize(FWL_FORMSIZE eFormSize);
+  virtual IFWL_Widget* DoModal();
+  virtual IFWL_Widget* DoModal(FX_DWORD& dwCommandID);
+  virtual FWL_ERR EndDoModal();
+  virtual FWL_ERR SetBorderRegion(CFX_Path* pPath);
+  virtual void DrawBackground(CFX_Graphics* pGraphics,
+                              IFWL_ThemeProvider* pTheme);
+  CFWL_WidgetImp* GetSubFocus();
+  void SetSubFocus(CFWL_WidgetImp* pWidget);
+  CFX_MapAccelerators& GetAccelerator();
+  void SetAccelerator(CFX_MapAccelerators* pAccelerators);
+
+ protected:
+  void ShowChildWidget(IFWL_Widget* pParent);
+  void RemoveSysButtons();
+  void CalcContentRect(CFX_RectF& rtContent);
+  CFWL_SysBtn* GetSysBtnAtPoint(FX_FLOAT fx, FX_FLOAT fy);
+  CFWL_SysBtn* GetSysBtnByState(FX_DWORD dwState);
+  CFWL_SysBtn* GetSysBtnByIndex(int32_t nIndex);
+  int32_t GetSysBtnIndex(CFWL_SysBtn* pBtn);
+  FX_FLOAT GetCaptionHeight();
+  void DrawCaptionText(CFX_Graphics* pGs,
+                       IFWL_ThemeProvider* pTheme,
+                       const CFX_Matrix* pMatrix = NULL);
+  void DrawIconImage(CFX_Graphics* pGs,
+                     IFWL_ThemeProvider* pTheme,
+                     const CFX_Matrix* pMatrix = NULL);
+  void GetEdgeRect(CFX_RectF& rtEdge);
+  void SetWorkAreaRect();
+  void SetCursor(FX_FLOAT fx, FX_FLOAT fy);
+  void Layout();
+  void ReSetSysBtn();
+  void RegisterForm();
+  void UnRegisterForm();
+  FX_BOOL IsDoModal();
+  void SetThemeData();
+  FX_BOOL HasIcon();
+  void UpdateIcon();
+  void UpdateCaption();
+  void DoWidthLimit(FX_FLOAT& fLeft,
+                    FX_FLOAT& fWidth,
+                    FX_FLOAT fCurX,
+                    FX_FLOAT fSpace,
+                    FX_FLOAT fLimitMin,
+                    FX_FLOAT fLimitMax,
+                    FX_BOOL bLeft);
+  void DoHeightLimit(FX_FLOAT& fTop,
+                     FX_FLOAT& fHeight,
+                     FX_FLOAT fCurY,
+                     FX_FLOAT fSpace,
+                     FX_FLOAT fLimitMin,
+                     FX_FLOAT fLimitMax,
+                     FX_BOOL bTop);
+  CFX_MapAccelerators m_mapAccelerators;
+  CFX_RectF m_rtRestore;
+  CFX_RectF m_rtCaptionText;
+  CFX_RectF m_rtRelative;
+  CFX_RectF m_rtCaption;
+  CFX_RectF m_rtIcon;
+  CFWL_SysBtn* m_pCloseBox;
+  CFWL_SysBtn* m_pMinBox;
+  CFWL_SysBtn* m_pMaxBox;
+  CFWL_SysBtn* m_pCaptionBox;
+  CFWL_NoteLoop* m_pNoteLoop;
+  CFWL_WidgetImp* m_pSubFocus;
+  RestoreInfo m_InfoStart;
+  FX_FLOAT m_fCXBorder;
+  FX_FLOAT m_fCYBorder;
+  int32_t m_iCaptureBtn;
+  int32_t m_iSysBox;
+  int32_t m_eResizeType;
+  FX_BOOL m_bLButtonDown;
+  FX_BOOL m_bMaximized;
+  FX_BOOL m_bSetMaximize;
+  FX_BOOL m_bCustomizeLayout;
+  FWL_FORMSIZE m_eFormSize;
+  FX_BOOL m_bDoModalFlag;
+  FX_FLOAT m_fSmallIconSz;
+  FX_FLOAT m_fBigIconSz;
+  CFX_DIBitmap* m_pBigIcon;
+  CFX_DIBitmap* m_pSmallIcon;
+  FX_BOOL m_bMouseIn;
+  friend class CFWL_FormImpDelegate;
+};
+class CFWL_FormImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_FormImpDelegate(CFWL_FormImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  void OnLButtonDown(CFWL_MsgMouse* pMsg);
+  void OnLButtonUp(CFWL_MsgMouse* pMsg);
+  void OnMouseMove(CFWL_MsgMouse* pMsg);
+  void OnMouseHover(CFWL_MsgMouse* pMsg);
+  void OnMouseLeave(CFWL_MsgMouse* pMsg);
+  void OnLButtonDblClk(CFWL_MsgMouse* pMsg);
+  void OnWindowMove(CFWL_MsgWindowMove* pMsg);
+  void OnClose(CFWL_MsgClose* pMsg);
+  CFWL_FormImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_CORE_FWL_FORMIMP_H_
diff --git a/xfa/fwl/core/fwl_gridimp.cpp b/xfa/fwl/core/fwl_gridimp.cpp
new file mode 100644
index 0000000000..b3b8d5aa8d
--- /dev/null
+++ b/xfa/fwl/core/fwl_gridimp.cpp
@@ -0,0 +1,1378 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_gridimp.h"
+
+#include "xfa/fwl/core/fwl_contentimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+// static
+IFWL_Grid* IFWL_Grid::Create(const CFWL_WidgetImpProperties& properties) {
+  IFWL_Grid* pGrid = new IFWL_Grid;
+  CFWL_GridImp* pGridImpl = new CFWL_GridImp(properties, nullptr);
+  pGrid->SetImpl(pGridImpl);
+  pGridImpl->SetInterface(pGrid);
+  return pGrid;
+}
+IFWL_Grid::IFWL_Grid() {}
+FWL_HGRIDCOLROW IFWL_Grid::InsertColRow(FX_BOOL bColumn, int32_t nIndex) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->InsertColRow(bColumn, nIndex);
+}
+int32_t IFWL_Grid::CountColRows(FX_BOOL bColumn) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->CountColRows(bColumn);
+}
+FWL_HGRIDCOLROW IFWL_Grid::GetColRow(FX_BOOL bColumn, int32_t nIndex) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetColRow(bColumn, nIndex);
+}
+int32_t IFWL_Grid::GetIndex(FWL_HGRIDCOLROW hColRow) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetIndex(hColRow);
+}
+FX_FLOAT IFWL_Grid::GetSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetSize(hColRow, eUnit);
+}
+FWL_ERR IFWL_Grid::SetSize(FWL_HGRIDCOLROW hColRow,
+                           FX_FLOAT fSize,
+                           FWL_GRIDUNIT eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->SetSize(hColRow, fSize, eUnit);
+}
+FX_FLOAT IFWL_Grid::GetMinSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetMinSize(hColRow, eUnit);
+}
+FWL_ERR IFWL_Grid::SetMinSize(FWL_HGRIDCOLROW hColRow,
+                              FX_FLOAT fSize,
+                              FWL_GRIDUNIT eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->SetMinSize(hColRow, fSize, eUnit);
+}
+FX_FLOAT IFWL_Grid::GetMaxSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetMaxSize(hColRow, eUnit);
+}
+FWL_ERR IFWL_Grid::SetMaxSize(FWL_HGRIDCOLROW hColRow,
+                              FX_FLOAT fSize,
+                              FWL_GRIDUNIT eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->SetMaxSize(hColRow, fSize, eUnit);
+}
+FX_BOOL IFWL_Grid::DeleteColRow(FWL_HGRIDCOLROW hColRow) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->DeleteColRow(hColRow);
+}
+FX_BOOL IFWL_Grid::IsColumn(FWL_HGRIDCOLROW hColRow) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->IsColumn(hColRow);
+}
+int32_t IFWL_Grid::GetWidgetPos(IFWL_Widget* pWidget, FX_BOOL bColumn) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetWidgetPos(pWidget, bColumn);
+}
+FWL_ERR IFWL_Grid::SetWidgetPos(IFWL_Widget* pWidget,
+                                int32_t iPos,
+                                FX_BOOL bColumn) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->SetWidgetPos(pWidget, iPos, bColumn);
+}
+int32_t IFWL_Grid::GetWidgetSpan(IFWL_Widget* pWidget, FX_BOOL bColumn) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetWidgetSpan(pWidget, bColumn);
+}
+FWL_ERR IFWL_Grid::SetWidgetSpan(IFWL_Widget* pWidget,
+                                 int32_t iSpan,
+                                 FX_BOOL bColumn) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->SetWidgetSpan(pWidget, iSpan, bColumn);
+}
+FX_FLOAT IFWL_Grid::GetWidgetSize(IFWL_Widget* pWidget,
+                                  FWL_GRIDSIZE eSize,
+                                  FWL_GRIDUNIT& eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->GetWidgetSize(pWidget, eSize, eUnit);
+}
+FWL_ERR IFWL_Grid::SetWidgetSize(IFWL_Widget* pWidget,
+                                 FWL_GRIDSIZE eSize,
+                                 FX_FLOAT fSize,
+                                 FWL_GRIDUNIT eUit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->SetWidgetSize(pWidget, eSize, fSize, eUit);
+}
+FX_BOOL IFWL_Grid::GetWidgetMargin(IFWL_Widget* pWidget,
+                                   FWL_GRIDMARGIN eMargin,
+                                   FX_FLOAT& fMargin) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->GetWidgetMargin(pWidget, eMargin, fMargin);
+}
+FWL_ERR IFWL_Grid::SetWidgetMargin(IFWL_Widget* pWidget,
+                                   FWL_GRIDMARGIN eMargin,
+                                   FX_FLOAT fMargin) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->SetWidgetMargin(pWidget, eMargin, fMargin);
+}
+FWL_ERR IFWL_Grid::RemoveWidgetMargin(IFWL_Widget* pWidget,
+                                      FWL_GRIDMARGIN eMargin) {
+  return static_cast<CFWL_GridImp*>(GetImpl())
+      ->RemoveWidgetMargin(pWidget, eMargin);
+}
+FX_FLOAT IFWL_Grid::GetGridSize(FWL_GRIDSIZE eSize, FWL_GRIDUNIT& eUnit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->GetGridSize(eSize, eUnit);
+}
+FWL_ERR IFWL_Grid::SetGridSize(FWL_GRIDSIZE eSize,
+                               FX_FLOAT fSize,
+                               FWL_GRIDUNIT eUit) {
+  return static_cast<CFWL_GridImp*>(GetImpl())->SetGridSize(eSize, fSize, eUit);
+}
+
+CFWL_GridImp::CFWL_GridImp(const CFWL_WidgetImpProperties& properties,
+                           IFWL_Widget* pOuter)
+    : CFWL_ContentImp(properties, pOuter) {
+  m_Size[FWL_GRIDSIZE_Width].eUnit = FWL_GRIDUNIT_Auto;
+  m_Size[FWL_GRIDSIZE_Width].fLength = 0;
+  m_Size[FWL_GRIDSIZE_Height].eUnit = FWL_GRIDUNIT_Auto;
+  m_Size[FWL_GRIDSIZE_Height].fLength = 0;
+  m_Size[FWL_GRIDSIZE_MinWidth].eUnit = FWL_GRIDUNIT_Fixed;
+  m_Size[FWL_GRIDSIZE_MinWidth].fLength = 0;
+  m_Size[FWL_GRIDSIZE_MaxWidth].eUnit = FWL_GRIDUNIT_Infinity;
+  m_Size[FWL_GRIDSIZE_MaxWidth].fLength = 0;
+  m_Size[FWL_GRIDSIZE_MinHeight].eUnit = FWL_GRIDUNIT_Fixed;
+  m_Size[FWL_GRIDSIZE_MinHeight].fLength = 0;
+  m_Size[FWL_GRIDSIZE_MaxHeight].eUnit = FWL_GRIDUNIT_Infinity;
+  m_Size[FWL_GRIDSIZE_MaxHeight].fLength = 0;
+}
+CFWL_GridImp::~CFWL_GridImp() {
+  int32_t iCount = m_Columns.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    delete static_cast<CFWL_GridColRow*>(m_Columns[i]);
+  }
+  m_Columns.RemoveAll();
+  iCount = m_Rows.GetSize();
+  for (int32_t j = 0; j < iCount; j++) {
+    delete static_cast<CFWL_GridColRow*>(m_Rows[j]);
+  }
+  m_Rows.RemoveAll();
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    IFWL_Widget* pWidget;
+    CFWL_GridWidgetInfo* pInfo;
+    m_mapWidgetInfo.GetNextAssoc(ps, (void*&)pWidget, (void*&)pInfo);
+    delete pInfo;
+  }
+  m_mapWidgetInfo.RemoveAll();
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+}
+FWL_ERR CFWL_GridImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Grid;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_GridImp::GetClassID() const {
+  return FWL_CLASSHASH_Grid;
+}
+FWL_ERR CFWL_GridImp::Initialize() {
+  if (CFWL_ContentImp::Initialize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  m_pDelegate = new CFWL_GridImpDelegate(this);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::Finalize() {
+  if (CFWL_ContentImp::Finalize() != FWL_ERR_Succeeded)
+    return FWL_ERR_Indefinite;
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    rect.left = 0;
+    rect.top = 0;
+    rect.width = ProcessUnCertainColumns();
+    rect.height = ProcessUnCertainRows();
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::SetWidgetRect(const CFX_RectF& rect) {
+  CFWL_WidgetImp::SetWidgetRect(rect);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::Update() {
+  if (IsLocked()) {
+    return FWL_ERR_Indefinite;
+  }
+  ProcessColumns(m_pProperties->m_rtWidget.width);
+  ProcessRows(m_pProperties->m_rtWidget.height);
+  SetAllWidgetsRect();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::DrawWidget(CFX_Graphics* pGraphics,
+                                 const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  if ((m_pProperties->m_dwStyleExes & FWL_GRIDSTYLEEXT_ShowGridLines) == 0) {
+    return FWL_ERR_Succeeded;
+  }
+  pGraphics->SaveGraphState();
+  if (pMatrix) {
+    pGraphics->ConcatMatrix(pMatrix);
+  }
+  {
+    FX_BOOL bDrawLine = FALSE;
+    CFX_Path path;
+    path.Create();
+    int32_t iColumns = m_Columns.GetSize();
+    for (int32_t i = 1; i < iColumns; i++) {
+      CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Columns[i]);
+      if (!pColRow) {
+        continue;
+      }
+      bDrawLine = TRUE;
+      path.AddLine(pColRow->m_fActualPos, 0, pColRow->m_fActualPos,
+                   m_pProperties->m_rtWidget.height);
+    }
+    int32_t iRows = m_Rows.GetSize();
+    for (int32_t j = 1; j < iRows; j++) {
+      CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Rows[j]);
+      if (!pColRow) {
+        continue;
+      }
+      bDrawLine = TRUE;
+      path.AddLine(0, pColRow->m_fActualPos, m_pProperties->m_rtWidget.width,
+                   pColRow->m_fActualPos);
+    }
+    if (bDrawLine) {
+      CFX_Color cr(0xFFFF0000);
+      pGraphics->SetStrokeColor(&cr);
+      pGraphics->StrokePath(&path);
+    }
+  }
+  pGraphics->RestoreGraphState();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::InsertWidget(IFWL_Widget* pChild, int32_t nIndex) {
+  if (!pChild)
+    return FWL_ERR_Indefinite;
+  CFWL_ContentImp::InsertWidget(pChild, nIndex);
+  if (!m_mapWidgetInfo.GetValueAt(pChild)) {
+    CFWL_GridWidgetInfo* pInfo = new CFWL_GridWidgetInfo;
+    m_mapWidgetInfo.SetAt(pChild, pInfo);
+    m_Widgets.Add(pChild);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::RemoveWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FWL_ERR_Indefinite;
+  CFWL_ContentImp::RemoveWidget(pWidget);
+  if (CFWL_GridWidgetInfo* pInfo = static_cast<CFWL_GridWidgetInfo*>(
+          m_mapWidgetInfo.GetValueAt(pWidget))) {
+    m_mapWidgetInfo.RemoveKey(pWidget);
+    delete pInfo;
+    int32_t nIndex = m_Widgets.Find(pWidget);
+    m_Widgets.RemoveAt(nIndex, 1);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_HGRIDCOLROW CFWL_GridImp::InsertColRow(FX_BOOL bColumn, int32_t nIndex) {
+  if (bColumn) {
+    if (nIndex < 0 || nIndex > m_Columns.GetSize()) {
+      nIndex = m_Columns.GetSize();
+    }
+    CFWL_GridColRow* pColumn = new CFWL_GridColRow;
+    m_Columns.InsertAt(nIndex, pColumn, 1);
+    return (FWL_HGRIDCOLROW)pColumn;
+  }
+  if (nIndex < 0 || nIndex > m_Rows.GetSize()) {
+    nIndex = m_Rows.GetSize();
+  }
+  CFWL_GridColRow* pRow = new CFWL_GridColRow;
+  m_Rows.InsertAt(nIndex, pRow, 1);
+  return (FWL_HGRIDCOLROW)pRow;
+}
+int32_t CFWL_GridImp::CountColRows(FX_BOOL bColumn) {
+  if (bColumn) {
+    return m_Columns.GetSize();
+  }
+  return m_Rows.GetSize();
+}
+FWL_HGRIDCOLROW CFWL_GridImp::GetColRow(FX_BOOL bColumn, int32_t nIndex) {
+  if (bColumn) {
+    if (nIndex < 0 || nIndex >= m_Columns.GetSize()) {
+      return NULL;
+    }
+    return (FWL_HGRIDCOLROW)m_Columns[nIndex];
+  }
+  if (nIndex < 0 || nIndex >= m_Rows.GetSize()) {
+    return NULL;
+  }
+  return (FWL_HGRIDCOLROW)m_Rows[nIndex];
+}
+int32_t CFWL_GridImp::GetIndex(FWL_HGRIDCOLROW hColRow) {
+  if (IsColumn(hColRow)) {
+    return m_Columns.Find(hColRow);
+  }
+  return m_Rows.Find(hColRow);
+}
+FX_FLOAT CFWL_GridImp::GetSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit) {
+  if (!hColRow)
+    return -1;
+  CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(hColRow);
+  eUnit = pColRow->m_Size.eUnit;
+  return pColRow->m_Size.fLength;
+}
+FWL_ERR CFWL_GridImp::SetSize(FWL_HGRIDCOLROW hColRow,
+                              FX_FLOAT fSize,
+                              FWL_GRIDUNIT eUnit) {
+  if (!hColRow)
+    return FWL_ERR_Indefinite;
+  CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(hColRow);
+  pColRow->m_Size.eUnit = eUnit;
+  pColRow->m_Size.fLength = fSize;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_GridImp::GetMinSize(FWL_HGRIDCOLROW hColRow,
+                                  FWL_GRIDUNIT& eUnit) {
+  if (!hColRow)
+    return -1;
+  CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(hColRow);
+  eUnit = pColRow->m_MinSize.eUnit;
+  return pColRow->m_MinSize.fLength;
+}
+FWL_ERR CFWL_GridImp::SetMinSize(FWL_HGRIDCOLROW hColRow,
+                                 FX_FLOAT fSize,
+                                 FWL_GRIDUNIT eUnit) {
+  if (!hColRow)
+    return FWL_ERR_Indefinite;
+  CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(hColRow);
+  pColRow->m_MinSize.eUnit = eUnit;
+  pColRow->m_MinSize.fLength = fSize;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_GridImp::GetMaxSize(FWL_HGRIDCOLROW hColRow,
+                                  FWL_GRIDUNIT& eUnit) {
+  if (!hColRow)
+    return -1;
+  CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(hColRow);
+  eUnit = pColRow->m_MaxSize.eUnit;
+  return pColRow->m_MaxSize.fLength;
+}
+FWL_ERR CFWL_GridImp::SetMaxSize(FWL_HGRIDCOLROW hColRow,
+                                 FX_FLOAT fSize,
+                                 FWL_GRIDUNIT eUnit) {
+  if (!hColRow)
+    return FWL_ERR_Indefinite;
+  CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(hColRow);
+  pColRow->m_MaxSize.eUnit = eUnit;
+  pColRow->m_MaxSize.fLength = fSize;
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_GridImp::DeleteColRow(FWL_HGRIDCOLROW hColRow) {
+  int32_t nIndex = m_Columns.Find(hColRow);
+  if (nIndex >= 0) {
+    m_Columns.RemoveAt(nIndex);
+    delete reinterpret_cast<CFWL_GridColRow*>(hColRow);
+    return TRUE;
+  }
+  nIndex = m_Rows.Find(hColRow);
+  if (nIndex >= 0) {
+    delete reinterpret_cast<CFWL_GridColRow*>(hColRow);
+    m_Rows.RemoveAt(nIndex);
+    return TRUE;
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_GridImp::IsColumn(FWL_HGRIDCOLROW hColRow) {
+  return m_Columns.Find(hColRow) != -1;
+}
+int32_t CFWL_GridImp::GetWidgetPos(IFWL_Widget* pWidget, FX_BOOL bColumn) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    return bColumn ? pInfo->m_iColumn : pInfo->m_iRow;
+  }
+  return -1;
+}
+FWL_ERR CFWL_GridImp::SetWidgetPos(IFWL_Widget* pWidget,
+                                   int32_t iPos,
+                                   FX_BOOL bColumn) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    bColumn ? pInfo->m_iColumn = iPos : pInfo->m_iRow = iPos;
+  }
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_GridImp::GetWidgetSpan(IFWL_Widget* pWidget, FX_BOOL bColumn) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    return bColumn ? pInfo->m_iColumnSpan : pInfo->m_iRowSpan;
+  }
+  return 0;
+}
+FWL_ERR CFWL_GridImp::SetWidgetSpan(IFWL_Widget* pWidget,
+                                    int32_t iSpan,
+                                    FX_BOOL bColumn) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    bColumn ? pInfo->m_iColumnSpan = iSpan : pInfo->m_iRowSpan = iSpan;
+  }
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_GridImp::GetWidgetSize(IFWL_Widget* pWidget,
+                                     FWL_GRIDSIZE eSize,
+                                     FWL_GRIDUNIT& eUnit) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    eUnit = pInfo->m_Size[eSize].eUnit;
+    return pInfo->m_Size[eSize].fLength;
+  }
+  return 0;
+}
+FWL_ERR CFWL_GridImp::SetWidgetSize(IFWL_Widget* pWidget,
+                                    FWL_GRIDSIZE eSize,
+                                    FX_FLOAT fSize,
+                                    FWL_GRIDUNIT eUit) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    pInfo->m_Size[eSize].fLength = fSize;
+    pInfo->m_Size[eSize].eUnit = eUit;
+  }
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_GridImp::GetWidgetMargin(IFWL_Widget* pWidget,
+                                      FWL_GRIDMARGIN eMargin,
+                                      FX_FLOAT& fMargin) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    fMargin = pInfo->m_Margin[eMargin];
+    return (pInfo->m_dwMarginFlag & (1 << eMargin)) != 0;
+  }
+  return FALSE;
+}
+FWL_ERR CFWL_GridImp::SetWidgetMargin(IFWL_Widget* pWidget,
+                                      FWL_GRIDMARGIN eMargin,
+                                      FX_FLOAT fMargin) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    pInfo->m_Margin[eMargin] = fMargin;
+    pInfo->m_dwMarginFlag |= (1 << eMargin);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_GridImp::RemoveWidgetMargin(IFWL_Widget* pWidget,
+                                         FWL_GRIDMARGIN eMargin) {
+  CFWL_GridWidgetInfo* pInfo =
+      static_cast<CFWL_GridWidgetInfo*>(GetWidgetInfo(pWidget));
+  if (pInfo) {
+    pInfo->m_dwMarginFlag &= ~(1 << eMargin);
+  }
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_GridImp::GetGridSize(FWL_GRIDSIZE eSize, FWL_GRIDUNIT& eUnit) {
+  eUnit = m_Size[eSize].eUnit;
+  return m_Size[eSize].fLength;
+}
+FWL_ERR CFWL_GridImp::SetGridSize(FWL_GRIDSIZE eSize,
+                                  FX_FLOAT fSize,
+                                  FWL_GRIDUNIT eUit) {
+  m_Size[eSize].fLength = fSize;
+  m_Size[eSize].eUnit = eUit;
+  return FWL_ERR_Succeeded;
+}
+CFWL_GridWidgetInfo* CFWL_GridImp::GetWidgetInfo(IFWL_Widget* pWidget) {
+  return static_cast<CFWL_GridWidgetInfo*>(m_mapWidgetInfo.GetValueAt(pWidget));
+}
+void CFWL_GridImp::ProcFixedColRow(CFWL_GridColRow* pColRow,
+                                   int32_t nIndex,
+                                   FX_FLOAT fColRowSize,
+                                   FX_BOOL bColumn) {
+  pColRow->m_fActualSize = fColRowSize;
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    void* key = nullptr;
+    void* value = nullptr;
+    m_mapWidgetInfo.GetNextAssoc(ps, key, value);
+    IFWL_Widget* pWidget = static_cast<IFWL_Widget*>(key);
+    CFWL_GridWidgetInfo* pInfo = static_cast<CFWL_GridWidgetInfo*>(value);
+    if (bColumn) {
+      if (pInfo->m_iColumn == nIndex && pInfo->m_iColumnSpan == 1) {
+        CalcWidgetWidth(pWidget, pInfo, pColRow->m_fActualSize);
+      }
+    } else {
+      if (pInfo->m_iRow == nIndex && pInfo->m_iRowSpan == 1) {
+        CalcWidgetHeigt(pWidget, pInfo, pColRow->m_fActualSize);
+      }
+    }
+  }
+}
+void CFWL_GridImp::ProcAutoColRow(CFWL_GridColRow* pColRow,
+                                  int32_t nIndex,
+                                  FX_BOOL bColumn) {
+  if (!pColRow)
+    return;
+  FX_FLOAT fMaxSize = 0, fWidgetSize = 0;
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    IFWL_Widget* pWidget = NULL;
+    CFWL_GridWidgetInfo* pInfo = NULL;
+    m_mapWidgetInfo.GetNextAssoc(ps, (void*&)pWidget, (void*&)pInfo);
+    if (!pWidget || !pInfo) {
+      continue;
+    }
+    if (bColumn) {
+      if (pInfo->m_iColumn != nIndex || pInfo->m_iColumnSpan != 1) {
+        continue;
+      }
+      fWidgetSize = CalcAutoColumnWidgetWidth(pWidget, pInfo);
+      if (fMaxSize < fWidgetSize) {
+        fMaxSize = fWidgetSize;
+      }
+    } else {
+      if (pInfo->m_iRow != nIndex || pInfo->m_iRowSpan != 1) {
+        continue;
+      }
+      fWidgetSize = CalcAutoColumnWidgetHeight(pWidget, pInfo);
+      if (fMaxSize < fWidgetSize) {
+        fMaxSize = fWidgetSize;
+      }
+    }
+  }
+  SetColRowActualSize(pColRow, fMaxSize);
+}
+void CFWL_GridImp::ProcScaledColRow(CFWL_GridColRow* pColRow,
+                                    int32_t nIndex,
+                                    FX_FLOAT fColRowSize,
+                                    FX_BOOL bColumn) {
+  if (fColRowSize > 0) {
+    ProcFixedColRow(pColRow, nIndex, fColRowSize, bColumn);
+  }
+}
+void CFWL_GridImp::CalcWidgetWidth(IFWL_Widget* pWidget,
+                                   CFWL_GridWidgetInfo* pInfo,
+                                   FX_FLOAT fColunmWidth) {
+  if (pInfo->m_Size[FWL_GRIDSIZE_Width].eUnit == FWL_GRIDUNIT_Fixed) {
+    SetWidgetActualWidth(pInfo, pInfo->m_Size[FWL_GRIDSIZE_Width].fLength);
+  } else {
+    FX_FLOAT fWidth = 0;
+    FX_FLOAT fLeftMargin = 0, fRightMargin = 0;
+    FX_BOOL bLeftMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Left, fLeftMargin);
+    FX_BOOL bRightMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Right, fRightMargin);
+    if (bLeftMargin && bRightMargin) {
+      fWidth = fColunmWidth - fLeftMargin - fRightMargin;
+    } else {
+      CFX_RectF rtAuto;
+      pWidget->GetWidgetRect(rtAuto, TRUE);
+      fWidth = rtAuto.Width();
+    }
+    SetWidgetActualWidth(pInfo, fWidth);
+  }
+}
+void CFWL_GridImp::CalcWidgetHeigt(IFWL_Widget* pWidget,
+                                   CFWL_GridWidgetInfo* pInfo,
+                                   FX_FLOAT fRowHeigt) {
+  if (pInfo->m_Size[FWL_GRIDSIZE_Height].eUnit == FWL_GRIDUNIT_Fixed) {
+    SetWidgetActualHeight(pInfo, pInfo->m_Size[FWL_GRIDSIZE_Height].fLength);
+  } else {
+    FX_FLOAT fHeight = 0;
+    FX_FLOAT fTopMargin = 0, fBottomMargin = 0;
+    FX_BOOL bTopMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Top, fTopMargin);
+    FX_BOOL bBottomMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Bottom, fBottomMargin);
+    if (bTopMargin && bBottomMargin) {
+      fHeight = fRowHeigt - fTopMargin - fBottomMargin;
+    } else {
+      CFX_RectF rtAuto;
+      pWidget->GetWidgetRect(rtAuto, TRUE);
+      fHeight = rtAuto.Height();
+    }
+    SetWidgetActualHeight(pInfo, fHeight);
+  }
+}
+FX_FLOAT CFWL_GridImp::CalcAutoColumnWidgetWidth(IFWL_Widget* pWidget,
+                                                 CFWL_GridWidgetInfo* pInfo) {
+  FX_FLOAT fLeftMargin = 0, fRightMargin = 0;
+  FX_BOOL bLeftMargin =
+      GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Left, fLeftMargin);
+  FX_BOOL bRightMargin =
+      GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Right, fRightMargin);
+  if (pInfo->m_Size[FWL_GRIDSIZE_Width].eUnit == FWL_GRIDUNIT_Fixed) {
+    SetWidgetActualWidth(pInfo, pInfo->m_Size[FWL_GRIDSIZE_Width].fLength);
+  } else {
+    CFX_RectF rtAuto;
+    pWidget->GetWidgetRect(rtAuto, TRUE);
+    FX_FLOAT fWidth = rtAuto.width;
+    SetWidgetActualWidth(pInfo, fWidth);
+  }
+  FX_FLOAT fTotal = pInfo->m_fActualWidth;
+  if (bLeftMargin) {
+    fTotal += fLeftMargin;
+  }
+  if (bRightMargin) {
+    fTotal += fRightMargin;
+  }
+  return fTotal;
+}
+FX_FLOAT CFWL_GridImp::CalcAutoColumnWidgetHeight(IFWL_Widget* pWidget,
+                                                  CFWL_GridWidgetInfo* pInfo) {
+  FX_FLOAT fTopMargin = 0, fBottomMargin = 0;
+  FX_BOOL bTopMargin = GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Top, fTopMargin);
+  FX_BOOL bBottomMargin =
+      GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Bottom, fBottomMargin);
+  if (pInfo->m_Size[FWL_GRIDSIZE_Height].eUnit == FWL_GRIDUNIT_Fixed) {
+    SetWidgetActualHeight(pInfo, pInfo->m_Size[FWL_GRIDSIZE_Height].fLength);
+  } else {
+    CFX_RectF rtAuto;
+    pWidget->GetWidgetRect(rtAuto, TRUE);
+    FX_FLOAT fHeight = rtAuto.height;
+    SetWidgetActualHeight(pInfo, fHeight);
+  }
+  FX_FLOAT fTotal = pInfo->m_fActualHeight;
+  if (bTopMargin) {
+    fTotal += fTopMargin;
+  }
+  if (bBottomMargin) {
+    fTotal += fBottomMargin;
+  }
+  return fTotal;
+}
+FX_FLOAT CFWL_GridImp::ProcessColumns(FX_FLOAT fWidth) {
+  if (fWidth <= 0) {
+    return ProcessUnCertainColumns();
+  }
+  int32_t iColumns = m_Columns.GetSize();
+  if (iColumns < 1) {
+    return fWidth;
+  }
+  FX_FLOAT fFixedWidth = 0;
+  FX_FLOAT fAutoWidth = 0;
+  CFX_PtrArray autoColumns;
+  CFX_PtrArray scaledColumns;
+  FX_FLOAT fScaledColumnNum = 0;
+  for (int32_t i = 0; i < iColumns; i++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Columns[i]);
+    if (!pColRow) {
+      continue;
+    }
+    switch (pColRow->m_Size.eUnit) {
+      case FWL_GRIDUNIT_Fixed: {
+        SetColRowActualSize(pColRow, pColRow->m_Size.fLength);
+        fFixedWidth += pColRow->m_fActualSize;
+        break;
+      }
+      case FWL_GRIDUNIT_Auto: {
+        ProcAutoColRow(pColRow, i, TRUE);
+        autoColumns.Add(pColRow);
+        break;
+      }
+      case FWL_GRIDUNIT_Scaled:
+      default: {
+        fScaledColumnNum += pColRow->m_Size.fLength;
+        scaledColumns.Add(pColRow);
+        SetColRowActualSize(pColRow, 0);
+      }
+    }
+  }
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    IFWL_Widget* pWidget = NULL;
+    CFWL_GridWidgetInfo* pInfo = NULL;
+    m_mapWidgetInfo.GetNextAssoc(ps, (void*&)pWidget, (void*&)pInfo);
+    if (!pInfo || pInfo->m_iColumnSpan < 2) {
+      continue;
+    }
+    CFX_PtrArray spanAutoColumns;
+    FX_FLOAT fSpanSize = 0;
+    int32_t iAutoColRows = 0;
+    int32_t iScaledColRows = 0;
+    for (int32_t i = 0; i < pInfo->m_iColumnSpan; i++) {
+      CFWL_GridColRow* pColumn = reinterpret_cast<CFWL_GridColRow*>(
+          GetColRow(TRUE, pInfo->m_iColumn + i));
+      if (!pColumn) {
+        break;
+      }
+      fSpanSize += pColumn->m_fActualSize;
+      if (pColumn->m_Size.eUnit == FWL_GRIDUNIT_Auto) {
+        iAutoColRows++;
+        spanAutoColumns.Add(pColumn);
+      } else if (pColumn->m_Size.eUnit == FWL_GRIDUNIT_Scaled) {
+        iScaledColRows++;
+      }
+    }
+    if (iAutoColRows < 1) {
+      continue;
+    }
+    FX_FLOAT fWidgetWidth = CalcAutoColumnWidgetWidth(pWidget, pInfo);
+    if (fWidgetWidth > fSpanSize) {
+      if (iScaledColRows > 0) {
+      } else {
+        SetSpanAutoColRowSize(spanAutoColumns, fWidgetWidth - fSpanSize);
+      }
+    }
+  }
+  int32_t iAutoCols = autoColumns.GetSize();
+  for (int32_t k = 0; k < iAutoCols; k++) {
+    fAutoWidth += static_cast<CFWL_GridColRow*>(autoColumns[k])->m_fActualSize;
+  }
+  FX_FLOAT fScaledWidth = fWidth - fFixedWidth - fAutoWidth;
+  if (fScaledWidth > 0 && fScaledColumnNum > 0) {
+    SetScaledColRowsSize(scaledColumns, fScaledWidth, fScaledColumnNum);
+  }
+  return fWidth;
+}
+FX_FLOAT CFWL_GridImp::ProcessRows(FX_FLOAT fHeight) {
+  if (fHeight <= 0) {
+    return ProcessUnCertainRows();
+  }
+  int32_t iRows = m_Rows.GetSize();
+  if (iRows < 1) {
+    return fHeight;
+  }
+  FX_FLOAT fFixedHeight = 0;
+  FX_FLOAT fAutoHeigt = 0;
+  CFX_PtrArray autoRows;
+  CFX_PtrArray scaledRows;
+  FX_FLOAT fScaledRowNum = 0;
+  for (int32_t i = 0; i < iRows; i++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Rows[i]);
+    if (!pColRow) {
+      continue;
+    }
+    switch (pColRow->m_Size.eUnit) {
+      case FWL_GRIDUNIT_Fixed: {
+        SetColRowActualSize(pColRow, pColRow->m_Size.fLength);
+        fFixedHeight += pColRow->m_fActualSize;
+        break;
+      }
+      case FWL_GRIDUNIT_Auto: {
+        ProcAutoColRow(pColRow, i, FALSE);
+        autoRows.Add(pColRow);
+        break;
+      }
+      case FWL_GRIDUNIT_Scaled:
+      default: {
+        fScaledRowNum += pColRow->m_Size.fLength;
+        scaledRows.Add(pColRow);
+        SetColRowActualSize(pColRow, 0);
+        break;
+      }
+    }
+  }
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    IFWL_Widget* pWidget = NULL;
+    CFWL_GridWidgetInfo* pInfo = NULL;
+    m_mapWidgetInfo.GetNextAssoc(ps, (void*&)pWidget, (void*&)pInfo);
+    if (!pInfo || pInfo->m_iRowSpan < 2) {
+      continue;
+    }
+    CFX_PtrArray spanAutoRows;
+    FX_FLOAT fSpanSize = 0;
+    int32_t iAutoColRows = 0;
+    int32_t iScaledColRows = 0;
+    for (int32_t i = 0; i < pInfo->m_iRowSpan; i++) {
+      CFWL_GridColRow* pRow = reinterpret_cast<CFWL_GridColRow*>(
+          GetColRow(FALSE, pInfo->m_iRow + i));
+      if (!pRow) {
+        break;
+      }
+      fSpanSize += pRow->m_fActualSize;
+      if (pRow->m_Size.eUnit == FWL_GRIDUNIT_Auto) {
+        iAutoColRows++;
+        spanAutoRows.Add(pRow);
+      } else if (pRow->m_Size.eUnit == FWL_GRIDUNIT_Scaled) {
+        iScaledColRows++;
+      }
+    }
+    if (iAutoColRows < 1) {
+      continue;
+    }
+    FX_FLOAT fWidgetHeight = CalcAutoColumnWidgetHeight(pWidget, pInfo);
+    if (fWidgetHeight > fSpanSize) {
+      if (iScaledColRows > 0) {
+      } else {
+        SetSpanAutoColRowSize(spanAutoRows, fWidgetHeight - fSpanSize);
+      }
+    }
+  }
+  int32_t iAutoRows = autoRows.GetSize();
+  for (int32_t k = 0; k < iAutoRows; k++) {
+    fAutoHeigt +=
+        reinterpret_cast<CFWL_GridColRow*>(autoRows[k])->m_fActualSize;
+  }
+  FX_FLOAT fScaledHeight = fHeight - fFixedHeight - fAutoHeigt;
+  if (fScaledHeight > 0 && fScaledRowNum > 0) {
+    SetScaledColRowsSize(scaledRows, fScaledHeight, fScaledRowNum);
+  }
+  return fHeight;
+}
+FX_FLOAT CFWL_GridImp::ProcessUnCertainColumns() {
+  int32_t iColumns = m_Columns.GetSize();
+  if (iColumns < 1) {
+    CFWL_GridColRow* pColRow = new CFWL_GridColRow;
+    pColRow->m_Size.eUnit = FWL_GRIDUNIT_Auto;
+    ProcAutoColRow(pColRow, 0, TRUE);
+    FX_FLOAT fWidth = pColRow->m_fActualSize;
+    delete pColRow;
+    return fWidth;
+  }
+  FX_FLOAT fFixedWidth = 0;
+  CFX_PtrArray autoColumns;
+  CFX_PtrArray scaledColumns;
+  FX_FLOAT fScaledColumnNum = 0;
+  FX_FLOAT fScaledMaxPerWidth = 0;
+  for (int32_t i = 0; i < iColumns; i++) {
+    CFWL_GridColRow* pColRow = reinterpret_cast<CFWL_GridColRow*>(m_Columns[i]);
+    if (!pColRow) {
+      continue;
+    }
+    switch (pColRow->m_Size.eUnit) {
+      case FWL_GRIDUNIT_Fixed: {
+        SetColRowActualSize(pColRow, pColRow->m_Size.fLength);
+        fFixedWidth += pColRow->m_fActualSize;
+        break;
+      }
+      case FWL_GRIDUNIT_Auto: {
+        ProcAutoColRow(pColRow, i, TRUE);
+        autoColumns.Add(pColRow);
+        break;
+      }
+      case FWL_GRIDUNIT_Scaled:
+      default: {
+        ProcAutoColRow(pColRow, i, TRUE);
+        fScaledColumnNum += pColRow->m_Size.fLength;
+        scaledColumns.Add(pColRow);
+        if (pColRow->m_Size.fLength <= 0) {
+          break;
+        }
+        FX_FLOAT fPerWidth = pColRow->m_fActualSize / pColRow->m_Size.fLength;
+        if (fPerWidth > fScaledMaxPerWidth) {
+          fScaledMaxPerWidth = fPerWidth;
+        }
+      }
+    }
+  }
+  iColumns = scaledColumns.GetSize();
+  for (int32_t j = 0; j < iColumns; j++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(scaledColumns[j]);
+    if (!pColRow) {
+      continue;
+    }
+    SetColRowActualSize(pColRow, fScaledMaxPerWidth * pColRow->m_Size.fLength);
+  }
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    IFWL_Widget* pWidget = NULL;
+    CFWL_GridWidgetInfo* pInfo = NULL;
+    m_mapWidgetInfo.GetNextAssoc(ps, (void*&)pWidget, (void*&)pInfo);
+    if (!pInfo || pInfo->m_iColumnSpan < 2) {
+      continue;
+    }
+    CFX_PtrArray spanAutoColumns;
+    CFX_PtrArray spanScaledColumns;
+    FX_FLOAT fSpanSize = 0;
+    FX_FLOAT fScaledSum = 0;
+    int32_t iAutoColRows = 0;
+    int32_t iScaledColRows = 0;
+    for (int32_t i = 0; i < pInfo->m_iColumnSpan; i++) {
+      CFWL_GridColRow* pColumn = reinterpret_cast<CFWL_GridColRow*>(
+          GetColRow(TRUE, pInfo->m_iColumn + i));
+      if (!pColumn) {
+        break;
+      }
+      fSpanSize += pColumn->m_fActualSize;
+      if (pColumn->m_Size.eUnit == FWL_GRIDUNIT_Auto) {
+        iAutoColRows++;
+        spanAutoColumns.Add(pColumn);
+      } else if (pColumn->m_Size.eUnit == FWL_GRIDUNIT_Scaled) {
+        iScaledColRows++;
+        fScaledSum += pColumn->m_Size.fLength;
+        spanScaledColumns.Add(pColumn);
+      }
+    }
+    if (iAutoColRows < 1 && iScaledColRows < 1) {
+      continue;
+    }
+    FX_FLOAT fWidgetWidth = CalcAutoColumnWidgetWidth(pWidget, pInfo);
+    if (fWidgetWidth > fSpanSize) {
+      if (iScaledColRows > 0) {
+        if (fScaledSum <= 0) {
+          continue;
+        }
+        SetSpanScaledColRowSize(spanScaledColumns, fWidgetWidth - fSpanSize,
+                                fScaledSum);
+      } else {
+        SetSpanAutoColRowSize(spanAutoColumns, fWidgetWidth - fSpanSize);
+      }
+    }
+  }
+  FX_FLOAT fAutoWidth = 0;
+  int32_t iAutoCols = autoColumns.GetSize();
+  for (int32_t m = 0; m < iAutoCols; m++) {
+    fAutoWidth += static_cast<CFWL_GridColRow*>(autoColumns[m])->m_fActualSize;
+  }
+  FX_FLOAT fScaledWidth = 0;
+  iColumns = scaledColumns.GetSize();
+  for (int32_t n = 0; n < iColumns; n++) {
+    fScaledWidth +=
+        static_cast<CFWL_GridColRow*>(scaledColumns[n])->m_fActualSize;
+  }
+  return fFixedWidth + fAutoWidth + fScaledWidth;
+}
+FX_FLOAT CFWL_GridImp::ProcessUnCertainRows() {
+  int32_t iRows = m_Rows.GetSize();
+  if (iRows < 1) {
+    CFWL_GridColRow* pColRow = new CFWL_GridColRow;
+    pColRow->m_Size.eUnit = FWL_GRIDUNIT_Auto;
+    ProcAutoColRow(pColRow, 0, FALSE);
+    FX_FLOAT fWidth = pColRow->m_fActualSize;
+    delete pColRow;
+    return fWidth;
+  }
+  FX_FLOAT fFixedHeight = 0;
+  CFX_PtrArray autoRows;
+  CFX_PtrArray scaledRows;
+  FX_FLOAT fScaledRowNum = 0;
+  FX_FLOAT fScaledMaxPerHeight = 0;
+  for (int32_t i = 0; i < iRows; i++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Rows[i]);
+    if (!pColRow) {
+      continue;
+    }
+    switch (pColRow->m_Size.eUnit) {
+      case FWL_GRIDUNIT_Fixed: {
+        SetColRowActualSize(pColRow, pColRow->m_Size.fLength);
+        fFixedHeight += pColRow->m_fActualSize;
+        break;
+      }
+      case FWL_GRIDUNIT_Auto: {
+        ProcAutoColRow(pColRow, i, FALSE);
+        autoRows.Add(pColRow);
+        break;
+      }
+      case FWL_GRIDUNIT_Scaled:
+      default: {
+        ProcAutoColRow(pColRow, i, FALSE);
+        fScaledRowNum += pColRow->m_Size.fLength;
+        scaledRows.Add(pColRow);
+        if (pColRow->m_Size.fLength > 0) {
+          FX_FLOAT fPerHeight =
+              pColRow->m_fActualSize / pColRow->m_Size.fLength;
+          if (fPerHeight > fScaledMaxPerHeight) {
+            fScaledMaxPerHeight = fPerHeight;
+          }
+        }
+        break;
+      }
+    }
+  }
+  iRows = scaledRows.GetSize();
+  for (int32_t j = 0; j < iRows; j++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(scaledRows[j]);
+    if (!pColRow) {
+      continue;
+    }
+    SetColRowActualSize(pColRow, fScaledMaxPerHeight * pColRow->m_Size.fLength);
+  }
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    void* key = nullptr;
+    void* value = nullptr;
+    m_mapWidgetInfo.GetNextAssoc(ps, key, value);
+    IFWL_Widget* pWidget = static_cast<IFWL_Widget*>(key);
+    CFWL_GridWidgetInfo* pInfo = static_cast<CFWL_GridWidgetInfo*>(value);
+    if (pInfo->m_iRowSpan < 2) {
+      continue;
+    }
+    CFX_PtrArray spanAutoRows;
+    CFX_PtrArray spanScaledRows;
+    FX_FLOAT fSpanSize = 0;
+    FX_FLOAT fScaledSum = 0;
+    int32_t iAutoColRows = 0;
+    int32_t iScaledColRows = 0;
+    for (int32_t i = 0; i < pInfo->m_iRowSpan; i++) {
+      CFWL_GridColRow* pRow = reinterpret_cast<CFWL_GridColRow*>(
+          GetColRow(FALSE, pInfo->m_iRow + i));
+      if (!pRow) {
+        break;
+      }
+      fSpanSize += pRow->m_fActualSize;
+      if (pRow->m_Size.eUnit == FWL_GRIDUNIT_Auto) {
+        iAutoColRows++;
+        spanAutoRows.Add(pRow);
+      } else if (pRow->m_Size.eUnit == FWL_GRIDUNIT_Scaled) {
+        iScaledColRows++;
+        fScaledSum += pRow->m_Size.fLength;
+        spanScaledRows.Add(pRow);
+      }
+    }
+    if (iAutoColRows < 1 && iScaledColRows < 1) {
+      continue;
+    }
+    FX_FLOAT fWidgetHeight = CalcAutoColumnWidgetHeight(pWidget, pInfo);
+    if (fWidgetHeight > fSpanSize) {
+      if (iScaledColRows > 0) {
+        if (fScaledSum <= 0) {
+          continue;
+        }
+        SetSpanScaledColRowSize(spanScaledRows, fWidgetHeight - fSpanSize,
+                                fScaledSum);
+      } else {
+        SetSpanAutoColRowSize(spanAutoRows, fWidgetHeight - fSpanSize);
+      }
+    }
+  }
+  FX_FLOAT fAutoHeigt = 0;
+  int32_t iAutoRows = autoRows.GetSize();
+  for (int32_t m = 0; m < iAutoRows; m++) {
+    fAutoHeigt += static_cast<CFWL_GridColRow*>(autoRows[m])->m_fActualSize;
+  }
+  FX_FLOAT fScaledHeight = 0;
+  iRows = scaledRows.GetSize();
+  for (int32_t n = 0; n < iRows; n++) {
+    fScaledHeight +=
+        static_cast<CFWL_GridColRow*>(scaledRows[n])->m_fActualSize;
+  }
+  return fFixedHeight + fAutoHeigt + fScaledHeight;
+}
+FX_BOOL CFWL_GridImp::SetColRowActualSize(CFWL_GridColRow* pColRow,
+                                          FX_FLOAT fSize,
+                                          FX_BOOL bSetBeyond) {
+  if (pColRow->m_MinSize.eUnit == FWL_GRIDUNIT_Fixed &&
+      fSize < pColRow->m_MinSize.fLength) {
+    pColRow->m_fActualSize = pColRow->m_MinSize.fLength;
+    return FALSE;
+  }
+  if (pColRow->m_MaxSize.eUnit == FWL_GRIDUNIT_Fixed &&
+      fSize > pColRow->m_MaxSize.fLength) {
+    pColRow->m_fActualSize = pColRow->m_MaxSize.fLength;
+    return FALSE;
+  }
+  if (bSetBeyond) {
+    return TRUE;
+  }
+  pColRow->m_fActualSize = fSize;
+  return TRUE;
+}
+FX_FLOAT CFWL_GridImp::SetWidgetActualWidth(CFWL_GridWidgetInfo* pInfo,
+                                            FX_FLOAT fWidth) {
+  if (pInfo->m_Size[FWL_GRIDSIZE_MinWidth].eUnit == FWL_GRIDUNIT_Fixed &&
+      fWidth < pInfo->m_Size[FWL_GRIDSIZE_MinWidth].fLength) {
+    fWidth = pInfo->m_Size[FWL_GRIDSIZE_MinWidth].fLength;
+  }
+  if (pInfo->m_Size[FWL_GRIDSIZE_MaxWidth].eUnit == FWL_GRIDUNIT_Fixed &&
+      fWidth > pInfo->m_Size[FWL_GRIDSIZE_MaxWidth].fLength) {
+    fWidth = pInfo->m_Size[FWL_GRIDSIZE_MaxWidth].fLength;
+  }
+  pInfo->m_fActualWidth = fWidth;
+  return fWidth;
+}
+FX_FLOAT CFWL_GridImp::SetWidgetActualHeight(CFWL_GridWidgetInfo* pInfo,
+                                             FX_FLOAT fHeight) {
+  if (pInfo->m_Size[FWL_GRIDSIZE_MinHeight].eUnit == FWL_GRIDUNIT_Fixed &&
+      fHeight < pInfo->m_Size[FWL_GRIDSIZE_MinHeight].fLength) {
+    fHeight = pInfo->m_Size[FWL_GRIDSIZE_MinHeight].fLength;
+  }
+  if (pInfo->m_Size[FWL_GRIDSIZE_MaxHeight].eUnit == FWL_GRIDUNIT_Fixed &&
+      fHeight > pInfo->m_Size[FWL_GRIDSIZE_MaxHeight].fLength) {
+    fHeight = pInfo->m_Size[FWL_GRIDSIZE_MaxHeight].fLength;
+  }
+  pInfo->m_fActualHeight = fHeight;
+  return fHeight;
+}
+void CFWL_GridImp::SetAllWidgetsRect() {
+  FX_FLOAT fStartLeft = 0;
+  int32_t iColumns = m_Columns.GetSize();
+  for (int32_t i = 0; i < iColumns; i++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Columns[i]);
+    if (!pColRow) {
+      continue;
+    }
+    pColRow->m_fActualPos = fStartLeft;
+    fStartLeft += pColRow->m_fActualSize;
+  }
+  FX_FLOAT fStartTop = 0;
+  int32_t iRows = m_Rows.GetSize();
+  for (int32_t j = 0; j < iRows; j++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(m_Rows[j]);
+    if (!pColRow) {
+      continue;
+    }
+    pColRow->m_fActualPos = fStartTop;
+    fStartTop += pColRow->m_fActualSize;
+  }
+  FX_POSITION ps = m_mapWidgetInfo.GetStartPosition();
+  while (ps) {
+    IFWL_Widget* pWidget = NULL;
+    CFWL_GridWidgetInfo* pInfo = NULL;
+    m_mapWidgetInfo.GetNextAssoc(ps, (void*&)pWidget, (void*&)pInfo);
+    if (!pWidget || !pInfo) {
+      continue;
+    }
+    FX_FLOAT fColumnStart = 0;
+    CFWL_GridColRow* pColumn =
+        reinterpret_cast<CFWL_GridColRow*>(GetColRow(TRUE, pInfo->m_iColumn));
+    if (pColumn) {
+      fColumnStart = pColumn->m_fActualPos;
+    }
+    FX_FLOAT fRowStart = 0;
+    CFWL_GridColRow* pRow =
+        reinterpret_cast<CFWL_GridColRow*>(GetColRow(FALSE, pInfo->m_iRow));
+    if (pRow) {
+      fRowStart = pRow->m_fActualPos;
+    }
+    FX_FLOAT fColumnWidth = 0;
+    if (iColumns > 0) {
+      for (int32_t j = 0; j < pInfo->m_iColumnSpan; j++) {
+        CFWL_GridColRow* pCol = reinterpret_cast<CFWL_GridColRow*>(
+            GetColRow(TRUE, pInfo->m_iColumn + j));
+        if (!pCol) {
+          break;
+        }
+        fColumnWidth += pCol->m_fActualSize;
+      }
+    } else {
+      fColumnWidth = m_pProperties->m_rtWidget.width;
+    }
+    FX_FLOAT fRowHeight = 0;
+    if (iRows > 0) {
+      for (int32_t k = 0; k < pInfo->m_iRowSpan; k++) {
+        CFWL_GridColRow* pR = reinterpret_cast<CFWL_GridColRow*>(
+            GetColRow(FALSE, pInfo->m_iRow + k));
+        if (!pR) {
+          break;
+        }
+        fRowHeight += pR->m_fActualSize;
+      }
+    } else {
+      fRowHeight = m_pProperties->m_rtWidget.height;
+    }
+    FX_FLOAT fLeftMargin = 0, fRightMargin = 0;
+    FX_BOOL bLeftMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Left, fLeftMargin);
+    FX_BOOL bRightMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Right, fRightMargin);
+    FX_FLOAT fTopMargin = 0, fBottomMargin = 0;
+    FX_BOOL bTopMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Top, fTopMargin);
+    FX_BOOL bBottomMargin =
+        GetWidgetMargin(pWidget, FWL_GRIDMARGIN_Bottom, fBottomMargin);
+    if (pInfo->m_Size[FWL_GRIDSIZE_Width].eUnit == FWL_GRIDUNIT_Fixed) {
+      SetWidgetActualWidth(pInfo, pInfo->m_Size[FWL_GRIDSIZE_Width].fLength);
+    } else {
+      if (bLeftMargin && bRightMargin) {
+        SetWidgetActualWidth(pInfo, fColumnWidth - fLeftMargin - fRightMargin);
+      } else {
+        CFX_RectF rtAuto;
+        pWidget->GetWidgetRect(rtAuto, TRUE);
+        SetWidgetActualWidth(pInfo, rtAuto.width);
+      }
+    }
+    if (pInfo->m_Size[FWL_GRIDSIZE_Height].eUnit == FWL_GRIDUNIT_Fixed) {
+      SetWidgetActualHeight(pInfo, pInfo->m_Size[FWL_GRIDSIZE_Height].fLength);
+    } else {
+      if (bTopMargin && bBottomMargin) {
+        SetWidgetActualHeight(pInfo, fRowHeight - fTopMargin - fBottomMargin);
+      } else {
+        CFX_RectF rtAuto;
+        pWidget->GetWidgetRect(rtAuto, TRUE);
+        SetWidgetActualHeight(pInfo, rtAuto.height);
+      }
+    }
+    if (bLeftMargin && bRightMargin &&
+        pInfo->m_Size[FWL_GRIDSIZE_Width].eUnit == FWL_GRIDUNIT_Fixed) {
+      fLeftMargin =
+          fColumnStart + fLeftMargin +
+          (fColumnWidth - fLeftMargin - fRightMargin - pInfo->m_fActualWidth) /
+              2;
+    } else if (bLeftMargin) {
+      fLeftMargin = fColumnStart + fLeftMargin;
+    } else if (bRightMargin) {
+      fLeftMargin =
+          fColumnStart + fColumnWidth - fRightMargin - pInfo->m_fActualWidth;
+    } else {
+      fLeftMargin = fColumnStart;
+    }
+    if (bTopMargin && bBottomMargin &&
+        pInfo->m_Size[FWL_GRIDSIZE_Height].eUnit == FWL_GRIDUNIT_Fixed) {
+      fTopMargin =
+          fRowStart + fTopMargin +
+          (fRowHeight - fTopMargin - fBottomMargin - pInfo->m_fActualHeight) /
+              2;
+    } else if (bTopMargin) {
+      fTopMargin = fRowStart + fTopMargin;
+    } else if (bBottomMargin) {
+      fTopMargin =
+          fRowStart + fRowHeight - fBottomMargin - pInfo->m_fActualHeight;
+    } else {
+      fTopMargin = fRowStart;
+    }
+    CFX_RectF rtWidget, rtOld;
+    rtWidget.Set(fLeftMargin, fTopMargin, pInfo->m_fActualWidth,
+                 pInfo->m_fActualHeight);
+    pWidget->GetWidgetRect(rtOld);
+    if (rtWidget == rtOld) {
+      continue;
+    }
+    pWidget->SetWidgetRect(rtWidget);
+    if (rtWidget.width == rtOld.width && rtWidget.height == rtOld.height) {
+      continue;
+    }
+    pWidget->Update();
+  }
+}
+FX_BOOL CFWL_GridImp::IsGrid(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_Grid;
+}
+void CFWL_GridImp::SetSpanAutoColRowSize(const CFX_PtrArray& spanAutos,
+                                         FX_FLOAT fTotalSize) {
+  int32_t iAutoColRows = spanAutos.GetSize();
+  if (iAutoColRows < 1) {
+    return;
+  }
+  CFX_PtrArray autoNoMinMaxs;
+  FX_FLOAT fAutoPer = fTotalSize / iAutoColRows;
+  for (int32_t j = 0; j < iAutoColRows; j++) {
+    CFWL_GridColRow* pColumn = static_cast<CFWL_GridColRow*>(spanAutos[j]);
+    FX_FLOAT fOrgSize = pColumn->m_fActualSize;
+    if (SetColRowActualSize(pColumn, pColumn->m_fActualSize + fAutoPer, TRUE)) {
+      autoNoMinMaxs.Add(pColumn);
+    } else {
+      fTotalSize -= pColumn->m_fActualSize - fOrgSize;
+      int32_t iNoMinMax = iAutoColRows - (j + 1 - autoNoMinMaxs.GetSize());
+      if (iNoMinMax > 0 && fTotalSize > 0) {
+        fAutoPer = fTotalSize / iNoMinMax;
+      } else {
+        break;
+      }
+    }
+  }
+  int32_t iNormals = autoNoMinMaxs.GetSize();
+  if (fTotalSize > 0) {
+    if (iNormals == iAutoColRows) {
+      fAutoPer = fTotalSize / iNormals;
+      for (int32_t k = 0; k < iNormals; k++) {
+        CFWL_GridColRow* pColumn =
+            static_cast<CFWL_GridColRow*>(autoNoMinMaxs[k]);
+        pColumn->m_fActualSize += fAutoPer;
+      }
+    } else {
+      SetSpanAutoColRowSize(autoNoMinMaxs, fTotalSize);
+    }
+  } else {
+  }
+}
+void CFWL_GridImp::SetSpanScaledColRowSize(const CFX_PtrArray& spanScaleds,
+                                           FX_FLOAT fTotalSize,
+                                           FX_FLOAT fTotalScaledNum) {
+  int32_t iScaledColRows = spanScaleds.GetSize();
+  if (iScaledColRows < 1) {
+    return;
+  }
+  CFX_PtrArray autoNoMinMaxs;
+  FX_FLOAT fPerSize = fTotalSize / fTotalScaledNum;
+  for (int32_t i = 0; i < iScaledColRows; i++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(spanScaleds[i]);
+    if (SetColRowActualSize(pColRow, pColRow->m_fActualSize +
+                                         fPerSize * pColRow->m_Size.fLength,
+                            TRUE)) {
+      autoNoMinMaxs.Add(pColRow);
+    } else {
+      fTotalSize -= pColRow->m_fActualSize;
+      fTotalScaledNum -= pColRow->m_Size.fLength;
+      int32_t iNoMinMax = iScaledColRows - (i + 1 - autoNoMinMaxs.GetSize());
+      if (iNoMinMax > 0 && fTotalSize > 0) {
+        fPerSize = fTotalSize / fTotalScaledNum;
+      } else {
+        break;
+      }
+    }
+  }
+  int32_t iNormals = autoNoMinMaxs.GetSize();
+  if (fTotalSize > 0) {
+    if (iNormals == iScaledColRows) {
+      fPerSize = fTotalSize / fTotalScaledNum;
+      for (int32_t j = 0; j < iNormals; j++) {
+        CFWL_GridColRow* pColumn =
+            static_cast<CFWL_GridColRow*>(autoNoMinMaxs[j]);
+        pColumn->m_fActualSize += fPerSize * pColumn->m_Size.fLength;
+      }
+    } else {
+      SetSpanScaledColRowSize(autoNoMinMaxs, fTotalSize, fTotalScaledNum);
+    }
+  } else {
+  }
+}
+void CFWL_GridImp::SetScaledColRowsSize(const CFX_PtrArray& spanScaleds,
+                                        FX_FLOAT fTotalSize,
+                                        FX_FLOAT fTotalScaledNum) {
+  int32_t iScaledColRows = spanScaleds.GetSize();
+  if (iScaledColRows < 1) {
+    return;
+  }
+  CFX_PtrArray autoNoMinMaxs;
+  FX_FLOAT fPerSize = fTotalSize / fTotalScaledNum;
+  for (int32_t i = 0; i < iScaledColRows; i++) {
+    CFWL_GridColRow* pColRow = static_cast<CFWL_GridColRow*>(spanScaleds[i]);
+    if (!pColRow) {
+      continue;
+    }
+    FX_FLOAT fSize = fPerSize * pColRow->m_Size.fLength;
+    FX_FLOAT fOrgSize = pColRow->m_fActualSize;
+    if (SetColRowActualSize(pColRow, fSize, TRUE)) {
+      autoNoMinMaxs.Add(pColRow);
+    } else {
+      fTotalSize -= pColRow->m_fActualSize - fOrgSize;
+      fTotalScaledNum -= pColRow->m_Size.fLength;
+      int32_t iNoMinMax = iScaledColRows - (i + 1 - autoNoMinMaxs.GetSize());
+      if (iNoMinMax > 0 && fTotalSize > 0) {
+        fPerSize = fTotalSize / fTotalScaledNum;
+      } else {
+        break;
+      }
+    }
+  }
+  int32_t iNormals = autoNoMinMaxs.GetSize();
+  if (fTotalSize > 0) {
+    if (iNormals == iScaledColRows) {
+      fPerSize = fTotalSize / fTotalScaledNum;
+      for (int32_t i = 0; i < iNormals; i++) {
+        CFWL_GridColRow* pColRow =
+            static_cast<CFWL_GridColRow*>(autoNoMinMaxs[i]);
+        if (!pColRow) {
+          continue;
+        }
+        FX_FLOAT fSize = fPerSize * pColRow->m_Size.fLength;
+        pColRow->m_fActualSize = fSize;
+      }
+    } else {
+      SetScaledColRowsSize(autoNoMinMaxs, fTotalSize, fTotalScaledNum);
+    }
+  } else {
+  }
+}
+CFWL_GridImpDelegate::CFWL_GridImpDelegate(CFWL_GridImp* pOwner)
+    : m_pOwner(pOwner) {}
+int32_t CFWL_GridImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (pMessage->GetClassID() != FWL_MSGHASH_Mouse) {
+    return 0;
+  }
+  CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+  if (pMsg->m_dwCmd != FWL_MSGMOUSECMD_LButtonDown) {
+    return 0;
+  }
+  return 1;
+}
+FWL_ERR CFWL_GridImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                           const CFX_Matrix* pMatrix) {
+  return m_pOwner->DrawWidget(pGraphics, pMatrix);
+}
diff --git a/xfa/fwl/core/fwl_gridimp.h b/xfa/fwl/core/fwl_gridimp.h
new file mode 100644
index 0000000000..fda283f70c
--- /dev/null
+++ b/xfa/fwl/core/fwl_gridimp.h
@@ -0,0 +1,197 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_GRIDIMP_H_
+#define XFA_FWL_CORE_FWL_GRIDIMP_H_
+
+#include "xfa/fwl/core/fwl_contentimp.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_content.h"
+#include "xfa/include/fwl/core/fwl_grid.h"
+
+class CFWL_GridLength {
+ public:
+  CFWL_GridLength() : fLength(0), eUnit(FWL_GRIDUNIT_Fixed) {}
+  CFWL_GridLength(FX_FLOAT fValue, FWL_GRIDUNIT e)
+      : fLength(fValue), eUnit(e) {}
+  FX_FLOAT fLength;
+  FWL_GRIDUNIT eUnit;
+};
+
+class CFWL_GridColRow {
+ public:
+  CFWL_GridColRow()
+      : m_Size(1, FWL_GRIDUNIT_Scaled),
+        m_MinSize(0, FWL_GRIDUNIT_Fixed),
+        m_MaxSize(0, FWL_GRIDUNIT_Infinity),
+        m_fActualSize(0),
+        m_fActualPos(0) {}
+  CFWL_GridLength m_Size;
+  CFWL_GridLength m_MinSize;
+  CFWL_GridLength m_MaxSize;
+  FX_FLOAT m_fActualSize;
+  FX_FLOAT m_fActualPos;
+};
+
+class CFWL_GridWidgetInfo {
+ public:
+  CFWL_GridWidgetInfo()
+      : m_iColumn(0),
+        m_iColumnSpan(1),
+        m_iRow(0),
+        m_iRowSpan(1),
+        m_dwMarginFlag(0),
+        m_fActualWidth(0),
+        m_fActualHeight(0) {
+    m_Size[FWL_GRIDSIZE_Width].eUnit = FWL_GRIDUNIT_Auto;
+    m_Size[FWL_GRIDSIZE_Width].fLength = 0;
+    m_Size[FWL_GRIDSIZE_Height].eUnit = FWL_GRIDUNIT_Auto;
+    m_Size[FWL_GRIDSIZE_Height].fLength = 0;
+    m_Size[FWL_GRIDSIZE_MinWidth].eUnit = FWL_GRIDUNIT_Fixed;
+    m_Size[FWL_GRIDSIZE_MinWidth].fLength = 0;
+    m_Size[FWL_GRIDSIZE_MaxWidth].eUnit = FWL_GRIDUNIT_Infinity;
+    m_Size[FWL_GRIDSIZE_MaxWidth].fLength = 0;
+    m_Size[FWL_GRIDSIZE_MinHeight].eUnit = FWL_GRIDUNIT_Fixed;
+    m_Size[FWL_GRIDSIZE_MinHeight].fLength = 0;
+    m_Size[FWL_GRIDSIZE_MaxHeight].eUnit = FWL_GRIDUNIT_Infinity;
+    m_Size[FWL_GRIDSIZE_MaxHeight].fLength = 0;
+    m_Margin[0] = m_Margin[1] = m_Margin[2] = m_Margin[3] = 0;
+  }
+  int32_t m_iColumn;
+  int32_t m_iColumnSpan;
+  int32_t m_iRow;
+  int32_t m_iRowSpan;
+  CFWL_GridLength m_Size[6];
+  FX_DWORD m_dwMarginFlag;
+  FX_FLOAT m_Margin[4];
+  FX_FLOAT m_fActualWidth;
+  FX_FLOAT m_fActualHeight;
+};
+
+class CFWL_GridImp : public CFWL_ContentImp {
+ public:
+  CFWL_GridImp(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
+  virtual ~CFWL_GridImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR SetWidgetRect(const CFX_RectF& rect);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+
+  virtual FWL_ERR InsertWidget(IFWL_Widget* pChild, int32_t nIndex = -1);
+  virtual FWL_ERR RemoveWidget(IFWL_Widget* pWidget);
+  virtual FWL_HGRIDCOLROW InsertColRow(FX_BOOL bColumn, int32_t nIndex = -1);
+  virtual int32_t CountColRows(FX_BOOL bColumn);
+  virtual FWL_HGRIDCOLROW GetColRow(FX_BOOL bColumn, int32_t nIndex);
+  virtual int32_t GetIndex(FWL_HGRIDCOLROW hColRow);
+  virtual FX_FLOAT GetSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit);
+  virtual FWL_ERR SetSize(FWL_HGRIDCOLROW hColRow,
+                          FX_FLOAT fSize,
+                          FWL_GRIDUNIT eUnit);
+  FX_FLOAT GetMinSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit);
+  FWL_ERR SetMinSize(FWL_HGRIDCOLROW hColRow,
+                     FX_FLOAT fSize,
+                     FWL_GRIDUNIT eUnit);
+  FX_FLOAT GetMaxSize(FWL_HGRIDCOLROW hColRow, FWL_GRIDUNIT& eUnit);
+  FWL_ERR SetMaxSize(FWL_HGRIDCOLROW hColRow,
+                     FX_FLOAT fSize,
+                     FWL_GRIDUNIT eUnit);
+  virtual FX_BOOL DeleteColRow(FWL_HGRIDCOLROW hColRow);
+  virtual FX_BOOL IsColumn(FWL_HGRIDCOLROW hColRow);
+  virtual int32_t GetWidgetPos(IFWL_Widget* pWidget, FX_BOOL bColumn);
+  virtual FWL_ERR SetWidgetPos(IFWL_Widget* pWidget,
+                               int32_t iPos,
+                               FX_BOOL bColumn);
+  virtual int32_t GetWidgetSpan(IFWL_Widget* pWidget, FX_BOOL bColumn);
+  virtual FWL_ERR SetWidgetSpan(IFWL_Widget* pWidget,
+                                int32_t iSpan,
+                                FX_BOOL bColumn);
+  virtual FX_FLOAT GetWidgetSize(IFWL_Widget* pWidget,
+                                 FWL_GRIDSIZE eSize,
+                                 FWL_GRIDUNIT& eUnit);
+  virtual FWL_ERR SetWidgetSize(IFWL_Widget* pWidget,
+                                FWL_GRIDSIZE eSize,
+                                FX_FLOAT fSize,
+                                FWL_GRIDUNIT eUit);
+  virtual FX_BOOL GetWidgetMargin(IFWL_Widget* pWidget,
+                                  FWL_GRIDMARGIN eMargin,
+                                  FX_FLOAT& fMargin);
+  virtual FWL_ERR SetWidgetMargin(IFWL_Widget* pWidget,
+                                  FWL_GRIDMARGIN eMargin,
+                                  FX_FLOAT fMargin);
+  virtual FWL_ERR RemoveWidgetMargin(IFWL_Widget* pWidget,
+                                     FWL_GRIDMARGIN eMargin);
+  virtual FX_FLOAT GetGridSize(FWL_GRIDSIZE eSize, FWL_GRIDUNIT& eUnit);
+  virtual FWL_ERR SetGridSize(FWL_GRIDSIZE eSize,
+                              FX_FLOAT fSize,
+                              FWL_GRIDUNIT eUit);
+
+ protected:
+  CFWL_GridWidgetInfo* GetWidgetInfo(IFWL_Widget* pWidget);
+  void ProcFixedColRow(CFWL_GridColRow* pColRow,
+                       int32_t nIndex,
+                       FX_FLOAT fColRowSize,
+                       FX_BOOL bColumn);
+  void ProcAutoColRow(CFWL_GridColRow* pColRow,
+                      int32_t nIndex,
+                      FX_BOOL bColumn);
+  void ProcScaledColRow(CFWL_GridColRow* pColRow,
+                        int32_t nIndex,
+                        FX_FLOAT fColRowSize,
+                        FX_BOOL bColumn);
+  void CalcWidgetWidth(IFWL_Widget* pWidget,
+                       CFWL_GridWidgetInfo* pInfo,
+                       FX_FLOAT fColunmWidth);
+  void CalcWidgetHeigt(IFWL_Widget* pWidget,
+                       CFWL_GridWidgetInfo* pInfo,
+                       FX_FLOAT fRowHeigt);
+  FX_FLOAT CalcAutoColumnWidgetWidth(IFWL_Widget* pWidget,
+                                     CFWL_GridWidgetInfo* pInfo);
+  FX_FLOAT CalcAutoColumnWidgetHeight(IFWL_Widget* pWidget,
+                                      CFWL_GridWidgetInfo* pInfo);
+  FX_FLOAT ProcessColumns(FX_FLOAT fWidth);
+  FX_FLOAT ProcessRows(FX_FLOAT fHeight);
+  FX_FLOAT ProcessUnCertainColumns();
+  FX_FLOAT ProcessUnCertainRows();
+  FX_BOOL SetColRowActualSize(CFWL_GridColRow* pColRow,
+                              FX_FLOAT fSize,
+                              FX_BOOL bSetBeyond = FALSE);
+  FX_FLOAT SetWidgetActualWidth(CFWL_GridWidgetInfo* pInfo, FX_FLOAT fWidth);
+  FX_FLOAT SetWidgetActualHeight(CFWL_GridWidgetInfo* pInfo, FX_FLOAT fHeight);
+  void SetAllWidgetsRect();
+  FX_BOOL IsGrid(IFWL_Widget* pWidget);
+  void SetSpanAutoColRowSize(const CFX_PtrArray& spanAutos,
+                             FX_FLOAT fTotalSize);
+  void SetSpanScaledColRowSize(const CFX_PtrArray& spanScaleds,
+                               FX_FLOAT fTotalSize,
+                               FX_FLOAT fTotalScaledNum);
+  void SetScaledColRowsSize(const CFX_PtrArray& spanScaleds,
+                            FX_FLOAT fTotalSize,
+                            FX_FLOAT fTotalScaledNum);
+  CFX_PtrArray m_Rows;
+  CFX_PtrArray m_Columns;
+  CFX_PtrArray m_Widgets;
+  CFX_MapPtrToPtr m_mapWidgetInfo;
+  CFWL_GridLength m_Size[6];
+  friend class CFWL_GridImpDelegate;
+};
+
+class CFWL_GridImpDelegate : public CFWL_WidgetImpDelegate {
+ public:
+  CFWL_GridImpDelegate(CFWL_GridImp* pOwner);
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+
+ protected:
+  CFWL_GridImp* m_pOwner;
+};
+
+#endif  // XFA_FWL_CORE_FWL_GRIDIMP_H_
diff --git a/xfa/fwl/core/fwl_noteimp.cpp b/xfa/fwl/core/fwl_noteimp.cpp
new file mode 100644
index 0000000000..cadace4fca
--- /dev/null
+++ b/xfa/fwl/core/fwl_noteimp.cpp
@@ -0,0 +1,1097 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+
+#include "core/include/fxcrt/fx_ext.h"
+#include "xfa/fwl/basewidget/fwl_tooltipctrlimp.h"
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
+#include "xfa/include/fwl/basewidget/fwl_tooltipctrl.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_grid.h"
+
+CFWL_NoteLoop::CFWL_NoteLoop(CFWL_WidgetImp* pForm)
+    : m_pForm(pForm), m_bContinueModal(TRUE) {}
+FX_BOOL CFWL_NoteLoop::PreProcessMessage(CFWL_Message* pMessage) {
+  if (!m_pForm) {
+    return FALSE;
+  }
+  return TranslateAccelerator(pMessage);
+}
+FWL_ERR CFWL_NoteLoop::Idle(int32_t count) {
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_)
+  if (count <= 0) {
+#endif
+    CFWL_EvtIdle ev;
+    IFWL_App* pApp = FWL_GetApp();
+    if (!pApp)
+      return FWL_ERR_Indefinite;
+    IFWL_NoteDriver* pDriver = pApp->GetNoteDriver();
+    if (!pDriver)
+      return FWL_ERR_Indefinite;
+    pDriver->SendNote(&ev);
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_)
+  }
+#endif
+  return FWL_ERR_Indefinite;
+}
+CFWL_WidgetImp* CFWL_NoteLoop::GetForm() {
+  return m_pForm;
+}
+FX_BOOL CFWL_NoteLoop::ContinueModal() {
+  return m_bContinueModal;
+}
+FWL_ERR CFWL_NoteLoop::EndModalLoop() {
+  m_bContinueModal = FALSE;
+#if (_FX_OS_ == _FX_MACOSX_)
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  IFWL_AdapterWidgetMgr* adapterWidgetMgr = pWidgetMgr->GetAdapterWidgetMgr();
+  adapterWidgetMgr->EndLoop();
+#endif
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_NoteLoop::TranslateAccelerator(CFWL_Message* pMessage) {
+  if (pMessage->GetClassID() != FWL_MSGHASH_Key) {
+    return FALSE;
+  }
+  CFWL_MsgKey* pMsgKey = static_cast<CFWL_MsgKey*>(pMessage);
+  if (pMsgKey->m_dwCmd != FWL_MSGKEYCMD_KeyDown) {
+    return FALSE;
+  }
+  CFX_MapAccelerators& accel =
+      static_cast<CFWL_FormImp*>(m_pForm)->GetAccelerator();
+  FX_POSITION pos = accel.GetStartPosition();
+  if (!pos) {
+    return FALSE;
+  }
+  FX_DWORD vrKey, rValue;
+  while (pos) {
+    accel.GetNextAssoc(pos, vrKey, rValue);
+    FX_DWORD dwFlags = (vrKey & 0xFF00) >> 8;
+    FX_DWORD m_dwKeyCode = vrKey & 0x00FF;
+    if (pMsgKey->m_dwFlags == dwFlags && pMsgKey->m_dwKeyCode == m_dwKeyCode) {
+      GenerateCommondEvent(rValue);
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+FWL_ERR CFWL_NoteLoop::SetMainForm(CFWL_WidgetImp* pForm) {
+  m_pForm = pForm;
+  return FWL_ERR_Succeeded;
+}
+void CFWL_NoteLoop::GenerateCommondEvent(FX_DWORD dwCommand) {
+  CFWL_EvtMenuCommand ev;
+  ev.m_iCommand = dwCommand;
+  IFWL_NoteThread* pThread = m_pForm->GetOwnerThread();
+  if (!pThread)
+    return;
+  IFWL_NoteDriver* pDriver = pThread->GetNoteDriver();
+  if (!pDriver)
+    return;
+  pDriver->SendNote(&ev);
+}
+CFWL_NoteDriver::CFWL_NoteDriver()
+    : m_sendEventCalled(0),
+      m_maxSize(500),
+      m_bFullScreen(FALSE),
+      m_pHover(nullptr),
+      m_pFocus(nullptr),
+      m_pGrab(nullptr),
+      m_hook(nullptr) {
+  m_pNoteLoop = new CFWL_NoteLoop;
+  PushNoteLoop(m_pNoteLoop);
+}
+CFWL_NoteDriver::~CFWL_NoteDriver() {
+  delete m_pNoteLoop;
+  ClearInvalidEventTargets(TRUE);
+}
+FX_BOOL CFWL_NoteDriver::SendNote(CFWL_Note* pNote) {
+  if (pNote->IsEvent()) {
+    int32_t iCount = m_eventTargets.GetCount();
+    if (iCount < 1) {
+      return TRUE;
+    }
+    if (FWL_EVTHASH_Mouse == static_cast<CFWL_Event*>(pNote)->GetClassID()) {
+      CFWL_EvtMouse* pMouse = static_cast<CFWL_EvtMouse*>(pNote);
+      if (FWL_MSGMOUSECMD_MouseHover == pMouse->m_dwCmd) {
+        if (m_pNoteLoop->GetForm() &&
+            CFWL_ToolTipContainer::getInstance()->ProcessEnter(
+                pMouse, m_pNoteLoop->GetForm()->GetInterface())) {
+        }
+      } else if (FWL_MSGMOUSECMD_MouseLeave == pMouse->m_dwCmd) {
+        if (CFWL_ToolTipContainer::getInstance()->ProcessLeave(pMouse)) {
+        }
+      } else if ((FWL_MSGMOUSECMD_LButtonDown <= pMouse->m_dwCmd) &&
+                 (FWL_MSGMOUSECMD_MButtonDblClk >= pMouse->m_dwCmd)) {
+        if (CFWL_ToolTipContainer::getInstance()->ProcessLeave(pMouse)) {
+        }
+      }
+    }
+    m_sendEventCalled++;
+    FX_POSITION pos = m_eventTargets.GetStartPosition();
+    while (pos) {
+      void* key = NULL;
+      CFWL_EventTarget* pEventTarget;
+      m_eventTargets.GetNextAssoc(pos, key, (void*&)pEventTarget);
+      if (pEventTarget && !pEventTarget->IsInvalid()) {
+        pEventTarget->ProcessEvent(static_cast<CFWL_Event*>(pNote));
+      }
+    }
+    m_sendEventCalled--;
+  } else {
+    if (!pNote->m_pDstTarget)
+      return FALSE;
+    IFWL_WidgetDelegate* pDelegate = pNote->m_pDstTarget->SetDelegate(NULL);
+    if (pDelegate) {
+      pDelegate->OnProcessMessage(static_cast<CFWL_Message*>(pNote));
+    }
+  }
+  return TRUE;
+}
+extern void FWL_PostMessageToMainRoop(CFWL_Message* pMessage);
+FX_BOOL CFWL_NoteDriver::PostMessage(CFWL_Message* pMessage) {
+  FWL_PostMessageToMainRoop(pMessage);
+  return TRUE;
+}
+#define FWL_NoteDriver_EventKey 1100
+FWL_ERR CFWL_NoteDriver::RegisterEventTarget(IFWL_Widget* pListener,
+                                             IFWL_Widget* pEventSource,
+                                             FX_DWORD dwFilter) {
+  FX_DWORD dwkey = (FX_DWORD)(uintptr_t)pListener->GetPrivateData(
+      (void*)(uintptr_t)FWL_NoteDriver_EventKey);
+  if (dwkey == 0) {
+    void* random = FX_Random_MT_Start(0);
+    dwkey = rand();
+    FX_Random_MT_Close(random);
+    pListener->SetPrivateData((void*)(uintptr_t)FWL_NoteDriver_EventKey,
+                              (void*)(uintptr_t)dwkey, NULL);
+  }
+  CFWL_EventTarget* value = NULL;
+  if (!m_eventTargets.Lookup((void*)(uintptr_t)dwkey, (void*&)value)) {
+    value = new CFWL_EventTarget(this, pListener);
+    m_eventTargets.SetAt((void*)(uintptr_t)dwkey, value);
+  }
+  value->SetEventSource(pEventSource, dwFilter);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_NoteDriver::UnregisterEventTarget(IFWL_Widget* pListener) {
+  FX_DWORD dwkey = (FX_DWORD)(uintptr_t)pListener->GetPrivateData(
+      (void*)(uintptr_t)FWL_NoteDriver_EventKey);
+  if (dwkey == 0) {
+    return FWL_ERR_Indefinite;
+  }
+  CFWL_EventTarget* value = NULL;
+  if (m_eventTargets.Lookup((void*)(uintptr_t)dwkey, (void*&)value)) {
+    value->FlagInvalid();
+  }
+  return FWL_ERR_Succeeded;
+}
+void CFWL_NoteDriver::ClearEventTargets(FX_BOOL bRemoveAll) {
+  ClearInvalidEventTargets(bRemoveAll);
+}
+int32_t CFWL_NoteDriver::GetQueueMaxSize() const {
+  return m_maxSize;
+}
+FWL_ERR CFWL_NoteDriver::SetQueueMaxSize(const int32_t size) {
+  m_maxSize = size;
+  return FWL_ERR_Succeeded;
+}
+IFWL_NoteThread* CFWL_NoteDriver::GetOwnerThread() const {
+  return FWL_GetApp();
+}
+FWL_ERR CFWL_NoteDriver::PushNoteLoop(IFWL_NoteLoop* pNoteLoop) {
+  m_noteLoopQueue.Add(pNoteLoop);
+  return FWL_ERR_Succeeded;
+}
+IFWL_NoteLoop* CFWL_NoteDriver::PopNoteLoop() {
+  int32_t pos = m_noteLoopQueue.GetSize();
+  if (pos <= 0)
+    return NULL;
+  IFWL_NoteLoop* p =
+      static_cast<IFWL_NoteLoop*>(m_noteLoopQueue.GetAt(pos - 1));
+  m_noteLoopQueue.RemoveAt(pos - 1);
+  return p;
+}
+FX_BOOL CFWL_NoteDriver::SetFocus(IFWL_Widget* pFocus, FX_BOOL bNotify) {
+  if (m_pFocus == pFocus) {
+    return TRUE;
+  }
+  IFWL_Widget* pPrev = m_pFocus;
+  m_pFocus = pFocus;
+  if (pPrev) {
+    CFWL_MsgKillFocus ms;
+    ms.m_pDstTarget = pPrev;
+    ms.m_pSrcTarget = pPrev;
+    if (bNotify) {
+      ms.m_dwExtend = 1;
+    }
+    IFWL_WidgetDelegate* pDelegate = pPrev->SetDelegate(NULL);
+    if (pDelegate) {
+      pDelegate->OnProcessMessage(&ms);
+    }
+  }
+  if (pFocus) {
+    IFWL_Widget* pWidget =
+        FWL_GetWidgetMgr()->GetWidget(pFocus, FWL_WGTRELATION_SystemForm);
+    CFWL_FormImp* pForm =
+        pWidget ? static_cast<CFWL_FormImp*>(pWidget->GetImpl()) : nullptr;
+    if (pForm) {
+      CFWL_WidgetImp* pNewFocus =
+          static_cast<CFWL_WidgetImp*>(pFocus->GetImpl());
+      pForm->SetSubFocus(pNewFocus);
+    }
+    CFWL_MsgSetFocus ms;
+    ms.m_pDstTarget = pFocus;
+    if (bNotify) {
+      ms.m_dwExtend = 1;
+    }
+    IFWL_WidgetDelegate* pDelegate = pFocus->SetDelegate(NULL);
+    if (pDelegate) {
+      pDelegate->OnProcessMessage(&ms);
+    }
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_NoteDriver::Run() {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return FWL_ERR_Indefinite;
+#if (_FX_OS_ == _FX_MACOSX_)
+  IFWL_AdapterWidgetMgr* adapterWidgetMgr = pWidgetMgr->GetAdapterWidgetMgr();
+  CFWL_NoteLoop* pTopLoop = GetTopLoop();
+  if (pTopLoop) {
+    CFWL_WidgetImp* formImp = pTopLoop->GetForm();
+    if (formImp) {
+      IFWL_Widget* pForm = formImp->GetInterface();
+      adapterWidgetMgr->RunLoop(pForm);
+    }
+  }
+#elif(_FX_OS_ == _FX_WIN32_DESKTOP_ || _FX_OS_ == _FX_WIN64_)
+    FX_BOOL bIdle = TRUE;
+    int32_t iIdleCount = 0;
+    CFWL_NoteLoop* pTopLoop = NULL;
+    for (;;) {
+      pTopLoop = GetTopLoop();
+      if (!pTopLoop || !pTopLoop->ContinueModal()) {
+        break;
+      }
+      if (UnqueueMessage(pTopLoop)) {
+        continue;
+      }
+      while (bIdle && !(pWidgetMgr->CheckMessage_Native())) {
+        if (FWL_ERR_Indefinite == pTopLoop->Idle(iIdleCount++)) {
+          bIdle = FALSE;
+        }
+      }
+      do {
+        if (FWL_ERR_Indefinite == pWidgetMgr->DispatchMessage_Native()) {
+          break;
+        }
+        if (pWidgetMgr->IsIdleMessage_Native()) {
+          bIdle = TRUE;
+          iIdleCount = 0;
+        }
+      } while (pWidgetMgr->CheckMessage_Native());
+    }
+#elif(_FX_OS_ == _FX_LINUX_DESKTOP_)
+    CFWL_NoteLoop* pTopLoop = NULL;
+    for (;;) {
+      pTopLoop = GetTopLoop();
+      if (!pTopLoop || !pTopLoop->ContinueModal()) {
+        break;
+      }
+      if (UnqueueMessage(pTopLoop)) {
+        continue;
+      }
+      if (pWidgetMgr->CheckMessage_Native()) {
+        pWidgetMgr->DispatchMessage_Native();
+      }
+    }
+#endif
+  return FWL_ERR_Succeeded;
+}
+IFWL_Widget* CFWL_NoteDriver::GetFocus() {
+  return m_pFocus;
+}
+IFWL_Widget* CFWL_NoteDriver::GetHover() {
+  return m_pHover;
+}
+void CFWL_NoteDriver::SetHover(IFWL_Widget* pHover) {
+  m_pHover = pHover;
+}
+void CFWL_NoteDriver::SetGrab(IFWL_Widget* pGrab, FX_BOOL bSet) {
+  m_pGrab = bSet ? pGrab : NULL;
+}
+void CFWL_NoteDriver::NotifyTargetHide(IFWL_Widget* pNoteTarget) {
+  if (m_pFocus == pNoteTarget) {
+    m_pFocus = NULL;
+  }
+  if (m_pHover == pNoteTarget) {
+    m_pHover = NULL;
+  }
+  if (m_pGrab == pNoteTarget) {
+    m_pGrab = NULL;
+  }
+}
+void CFWL_NoteDriver::NotifyTargetDestroy(IFWL_Widget* pNoteTarget) {
+  if (m_pFocus == pNoteTarget) {
+    m_pFocus = NULL;
+  }
+  if (m_pHover == pNoteTarget) {
+    m_pHover = NULL;
+  }
+  if (m_pGrab == pNoteTarget) {
+    m_pGrab = NULL;
+  }
+  UnregisterEventTarget(pNoteTarget);
+  int32_t count = m_forms.GetSize();
+  for (int32_t nIndex = 0; nIndex < count; nIndex++) {
+    CFWL_FormImp* pForm = static_cast<CFWL_FormImp*>(m_forms[nIndex]);
+    if (!pForm) {
+      continue;
+    }
+    CFWL_WidgetImp* pSubFocus = pForm->GetSubFocus();
+    if (!pSubFocus)
+      return;
+    if (pSubFocus && pSubFocus->GetInterface() == pNoteTarget) {
+      pForm->SetSubFocus(NULL);
+    }
+  }
+}
+void CFWL_NoteDriver::NotifyFullScreenMode(IFWL_Widget* pNoteTarget,
+                                           FX_BOOL bFullScreen) {
+  m_bFullScreen = bFullScreen;
+}
+FWL_ERR CFWL_NoteDriver::RegisterForm(CFWL_WidgetImp* pForm) {
+  if (!pForm)
+    return FWL_ERR_Indefinite;
+  if (m_forms.Find(pForm) >= 0) {
+    return FWL_ERR_Indefinite;
+  }
+  m_forms.Add(pForm);
+  if (m_forms.GetSize() == 1) {
+    CFWL_NoteLoop* pLoop =
+        static_cast<CFWL_NoteLoop*>(m_noteLoopQueue.GetAt(0));
+    if (!pLoop)
+      return FWL_ERR_Indefinite;
+    pLoop->SetMainForm(pForm);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_NoteDriver::UnRegisterForm(CFWL_WidgetImp* pForm) {
+  if (!pForm)
+    return FWL_ERR_Indefinite;
+  int32_t nIndex = m_forms.Find(pForm);
+  if (nIndex < 0) {
+    return FWL_ERR_Indefinite;
+  }
+  m_forms.RemoveAt(nIndex);
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_NoteDriver::QueueMessage(CFWL_Message* pMessage) {
+  pMessage->Retain();
+  m_noteQueue.Add(pMessage);
+  return TRUE;
+}
+FX_BOOL CFWL_NoteDriver::UnqueueMessage(CFWL_NoteLoop* pNoteLoop) {
+  if (m_noteQueue.GetSize() < 1) {
+    return FALSE;
+  }
+  CFWL_Message* pMessage = static_cast<CFWL_Message*>(m_noteQueue[0]);
+  m_noteQueue.RemoveAt(0);
+  if (!IsValidMessage(pMessage)) {
+    pMessage->Release();
+    return TRUE;
+  }
+  FX_BOOL bHookMessage = FALSE;
+  if (m_hook) {
+    bHookMessage = (*m_hook)(pMessage, m_hookInfo);
+  }
+  if (!bHookMessage && !pNoteLoop->PreProcessMessage(pMessage)) {
+    ProcessMessage(pMessage);
+  }
+  pMessage->Release();
+  return TRUE;
+}
+CFWL_NoteLoop* CFWL_NoteDriver::GetTopLoop() {
+  int32_t size = m_noteLoopQueue.GetSize();
+  if (size <= 0)
+    return NULL;
+  return static_cast<CFWL_NoteLoop*>(m_noteLoopQueue[size - 1]);
+}
+int32_t CFWL_NoteDriver::CountLoop() {
+  return m_noteLoopQueue.GetSize();
+}
+void CFWL_NoteDriver::SetHook(FWLMessageHookCallback callback, void* info) {
+  m_hook = callback;
+  m_hookInfo = info;
+}
+FX_BOOL CFWL_NoteDriver::ProcessMessage(CFWL_Message* pMessage) {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  IFWL_Widget* pMessageForm = pWidgetMgr->IsFormDisabled()
+                                  ? pMessage->m_pDstTarget
+                                  : GetMessageForm(pMessage->m_pDstTarget);
+  if (!pMessageForm)
+    return FALSE;
+  if (DispatchMessage(pMessage, pMessageForm)) {
+    if (pMessage->GetClassID() == FWL_MSGHASH_Mouse) {
+      MouseSecondary(static_cast<CFWL_MsgMouse*>(pMessage));
+    }
+    return TRUE;
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_NoteDriver::DispatchMessage(CFWL_Message* pMessage,
+                                         IFWL_Widget* pMessageForm) {
+  FX_BOOL bRet = FALSE;
+  switch (pMessage->GetClassID()) {
+    case FWL_MSGHASH_Activate: {
+      bRet = DoActivate(static_cast<CFWL_MsgActivate*>(pMessage), pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_Deactivate: {
+      bRet = DoDeactivate(static_cast<CFWL_MsgDeactivate*>(pMessage),
+                          pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_SetFocus: {
+      bRet = DoSetFocus(static_cast<CFWL_MsgSetFocus*>(pMessage), pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_KillFocus: {
+      bRet =
+          DoKillFocus(static_cast<CFWL_MsgKillFocus*>(pMessage), pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      bRet = DoKey(static_cast<CFWL_MsgKey*>(pMessage), pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_Mouse: {
+      bRet = DoMouse(static_cast<CFWL_MsgMouse*>(pMessage), pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_MouseWheel: {
+      bRet = DoWheel(static_cast<CFWL_MsgMouseWheel*>(pMessage), pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_Size: {
+      bRet = DoSize(static_cast<CFWL_MsgSize*>(pMessage));
+      break;
+    }
+    case FWL_MSGHASH_Cursor: {
+      bRet = TRUE;
+      break;
+    }
+    case FWL_MSGHASH_WindowMove: {
+      bRet = DoWindowMove(static_cast<CFWL_MsgWindowMove*>(pMessage),
+                          pMessageForm);
+      break;
+    }
+    case FWL_MSGHASH_DropFiles: {
+      bRet =
+          DoDragFiles(static_cast<CFWL_MsgDropFiles*>(pMessage), pMessageForm);
+      break;
+    }
+    default: {
+      bRet = TRUE;
+      break;
+    }
+  }
+  if (bRet) {
+    IFWL_WidgetDelegate* pDelegate = pMessage->m_pDstTarget->SetDelegate(NULL);
+    if (pDelegate) {
+      pDelegate->OnProcessMessage(pMessage);
+    }
+  }
+  return bRet;
+}
+FX_BOOL CFWL_NoteDriver::DoActivate(CFWL_MsgActivate* pMsg,
+                                    IFWL_Widget* pMessageForm) {
+  if (m_bFullScreen) {
+    return FALSE;
+  }
+  pMsg->m_pDstTarget = pMessageForm;
+  return (pMsg->m_pDstTarget)->GetStates() & FWL_WGTSTATE_Deactivated;
+}
+FX_BOOL CFWL_NoteDriver::DoDeactivate(CFWL_MsgDeactivate* pMsg,
+                                      IFWL_Widget* pMessageForm) {
+  if (m_bFullScreen) {
+    return FALSE;
+  }
+  int32_t iTrackLoop = m_noteLoopQueue.GetSize();
+  if (iTrackLoop <= 0)
+    return FALSE;
+  if (iTrackLoop == 1) {
+    if (pMessageForm->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"))) {
+      return FALSE;
+    }
+    if (pMsg->m_pSrcTarget &&
+        pMsg->m_pSrcTarget->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"))) {
+      return FALSE;
+    }
+    if (pMsg->m_pSrcTarget && pMsg->m_pSrcTarget->GetClassID() == 1111984755) {
+      return FALSE;
+    }
+    return TRUE;
+  }
+  IFWL_Widget* pDst = pMsg->m_pDstTarget;
+  if (!pDst)
+    return FALSE;
+#if (_FX_OS_ == _FX_MACOSX_)
+  if (pDst == pMessageForm && pDst->IsInstance(L"FWL_FORMPROXY")) {
+    return TRUE;
+  }
+#endif
+  return pDst != pMessageForm &&
+         !pDst->IsInstance(FX_WSTRC(L"FWL_FORMPROXY")) &&
+         !pMessageForm->IsInstance(FX_WSTRC(L"FWL_FORMPROXY"));
+}
+FX_BOOL CFWL_NoteDriver::DoSetFocus(CFWL_MsgSetFocus* pMsg,
+                                    IFWL_Widget* pMessageForm) {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (pWidgetMgr->IsFormDisabled()) {
+    m_pFocus = pMsg->m_pDstTarget;
+    return TRUE;
+  } else {
+    IFWL_Widget* pWidget = pMsg->m_pDstTarget;
+    CFWL_FormImp* pForm =
+        pWidget ? static_cast<CFWL_FormImp*>(pWidget->GetImpl()) : nullptr;
+    if (pForm) {
+      CFWL_WidgetImp* pSubFocus = pForm->GetSubFocus();
+      if (pSubFocus && ((pSubFocus->GetStates() & FWL_WGTSTATE_Focused) == 0)) {
+        pMsg->m_pDstTarget = pSubFocus->GetInterface();
+        if (m_pFocus != pMsg->m_pDstTarget) {
+          m_pFocus = pMsg->m_pDstTarget;
+          return TRUE;
+        }
+      }
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_NoteDriver::DoKillFocus(CFWL_MsgKillFocus* pMsg,
+                                     IFWL_Widget* pMessageForm) {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (pWidgetMgr->IsFormDisabled()) {
+    if (m_pFocus == pMsg->m_pDstTarget) {
+      m_pFocus = NULL;
+    }
+    return TRUE;
+  }
+  IFWL_Widget* pWidget = pMsg->m_pDstTarget;
+  CFWL_FormImp* pForm =
+      pWidget ? static_cast<CFWL_FormImp*>(pWidget->GetImpl()) : nullptr;
+  if (pForm) {
+    CFWL_WidgetImp* pSubFocus = pForm->GetSubFocus();
+    if (pSubFocus && (pSubFocus->GetStates() & FWL_WGTSTATE_Focused)) {
+      pMsg->m_pDstTarget = pSubFocus->GetInterface();
+      if (m_pFocus == pMsg->m_pDstTarget) {
+        m_pFocus = NULL;
+        return TRUE;
+      }
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_NoteDriver::DoKey(CFWL_MsgKey* pMsg, IFWL_Widget* pMessageForm) {
+#if (_FX_OS_ != _FX_MACOSX_)
+  if (pMsg->m_dwCmd == FWL_MSGKEYCMD_KeyDown &&
+      pMsg->m_dwKeyCode == FWL_VKEY_Tab) {
+    CFWL_WidgetMgr* pWidgetMgr =
+        static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+    IFWL_Widget* pForm = GetMessageForm(pMsg->m_pDstTarget);
+    IFWL_Widget* pFocus = m_pFocus;
+    if (m_pFocus) {
+      if (pWidgetMgr->GetWidget(m_pFocus, FWL_WGTRELATION_SystemForm) !=
+          pForm) {
+        pFocus = NULL;
+      }
+    }
+    FX_BOOL bFind = FALSE;
+    IFWL_Widget* pNextTabStop = pWidgetMgr->nextTab(pForm, pFocus, bFind);
+    if (!pNextTabStop) {
+      bFind = FALSE;
+      pNextTabStop = pWidgetMgr->nextTab(pForm, NULL, bFind);
+    }
+    if (pNextTabStop == pFocus) {
+      return TRUE;
+    }
+    if (pNextTabStop) {
+      SetFocus(pNextTabStop);
+    }
+    return TRUE;
+  }
+#endif
+  if (!m_pFocus) {
+    if (pMsg->m_dwCmd == FWL_MSGKEYCMD_KeyDown &&
+        pMsg->m_dwKeyCode == FWL_VKEY_Return) {
+      CFWL_WidgetMgr* pWidgetMgr =
+          static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+      IFWL_Widget* defButton = pWidgetMgr->GetDefaultButton(pMessageForm);
+      if (defButton) {
+        pMsg->m_pDstTarget = defButton;
+        return TRUE;
+      }
+    }
+    return FALSE;
+  }
+  pMsg->m_pDstTarget = m_pFocus;
+  return TRUE;
+}
+FX_BOOL CFWL_NoteDriver::DoMouse(CFWL_MsgMouse* pMsg,
+                                 IFWL_Widget* pMessageForm) {
+  if (pMsg->m_dwCmd == FWL_MSGMOUSECMD_MouseLeave ||
+      pMsg->m_dwCmd == FWL_MSGMOUSECMD_MouseHover ||
+      pMsg->m_dwCmd == FWL_MSGMOUSECMD_MouseEnter) {
+    return pMsg->m_pDstTarget != NULL;
+  }
+  if (pMsg->m_pDstTarget != pMessageForm) {
+    pMsg->m_pDstTarget->TransformTo(pMessageForm, pMsg->m_fx, pMsg->m_fy);
+  }
+  if (!DoMouseEx(pMsg, pMessageForm)) {
+    pMsg->m_pDstTarget = pMessageForm;
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_NoteDriver::DoWheel(CFWL_MsgMouseWheel* pMsg,
+                                 IFWL_Widget* pMessageForm) {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return FALSE;
+  IFWL_Widget* pDst =
+      pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
+  if (!pDst)
+    return FALSE;
+  while (pDst && pDst->GetClassID() == FWL_CLASSHASH_Grid) {
+    pDst = pDst->GetParent();
+  }
+  pMessageForm->TransformTo(pDst, pMsg->m_fx, pMsg->m_fy);
+  pMsg->m_pDstTarget = pDst;
+  return TRUE;
+}
+FX_BOOL CFWL_NoteDriver::DoSize(CFWL_MsgSize* pMsg) {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return FALSE;
+  pWidgetMgr->NotifySizeChanged(pMsg->m_pDstTarget, (FX_FLOAT)pMsg->m_iWidth,
+                                (FX_FLOAT)pMsg->m_iHeight);
+  return TRUE;
+}
+FX_BOOL CFWL_NoteDriver::DoWindowMove(CFWL_MsgWindowMove* pMsg,
+                                      IFWL_Widget* pMessageForm) {
+  return pMsg->m_pDstTarget == pMessageForm;
+}
+FX_BOOL CFWL_NoteDriver::DoDragFiles(CFWL_MsgDropFiles* pMsg,
+                                     IFWL_Widget* pMessageForm) {
+  return pMsg->m_pDstTarget == pMessageForm;
+}
+FX_BOOL CFWL_NoteDriver::DoMouseEx(CFWL_MsgMouse* pMsg,
+                                   IFWL_Widget* pMessageForm) {
+  CFWL_WidgetMgr* pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  if (!pWidgetMgr)
+    return FALSE;
+  IFWL_Widget* pTarget = NULL;
+  if (m_pGrab)
+    pTarget = m_pGrab;
+  if (!pTarget) {
+    pTarget =
+        pWidgetMgr->GetWidgetAtPoint(pMessageForm, pMsg->m_fx, pMsg->m_fy);
+    while (pTarget && pTarget->GetClassID() == FWL_CLASSHASH_Grid) {
+      pTarget = pTarget->GetParent();
+    }
+  }
+  if (pTarget) {
+    if (pMessageForm != pTarget) {
+      pMessageForm->TransformTo(pTarget, pMsg->m_fx, pMsg->m_fy);
+    }
+  }
+  if (!pTarget)
+    return FALSE;
+  pMsg->m_pDstTarget = pTarget;
+  return TRUE;
+}
+void CFWL_NoteDriver::MouseSecondary(CFWL_MsgMouse* pMsg) {
+  IFWL_Widget* pTarget = pMsg->m_pDstTarget;
+  if (pTarget == m_pHover) {
+    return;
+  }
+  if (m_pHover) {
+    CFWL_MsgMouse msLeave;
+    msLeave.m_pDstTarget = m_pHover;
+    msLeave.m_fx = pMsg->m_fx;
+    msLeave.m_fy = pMsg->m_fy;
+    pTarget->TransformTo(m_pHover, msLeave.m_fx, msLeave.m_fy);
+    msLeave.m_dwFlags = 0;
+    msLeave.m_dwCmd = FWL_MSGMOUSECMD_MouseLeave;
+    DispatchMessage(&msLeave, NULL);
+  }
+  if (pTarget->GetClassID() == FWL_CLASSHASH_Form) {
+    m_pHover = NULL;
+    return;
+  }
+  m_pHover = pTarget;
+  CFWL_MsgMouse msHover;
+  msHover.m_pDstTarget = pTarget;
+  msHover.m_fx = pMsg->m_fx;
+  msHover.m_fy = pMsg->m_fy;
+  msHover.m_dwFlags = 0;
+  msHover.m_dwCmd = FWL_MSGMOUSECMD_MouseHover;
+  DispatchMessage(&msHover, NULL);
+}
+FX_BOOL CFWL_NoteDriver::IsValidMessage(CFWL_Message* pMessage) {
+  if (pMessage->GetClassID() == FWL_MSGHASH_Post) {
+    return TRUE;
+  }
+  int32_t iCount = m_noteLoopQueue.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    CFWL_NoteLoop* pNoteLoop = static_cast<CFWL_NoteLoop*>(m_noteLoopQueue[i]);
+    CFWL_WidgetImp* pForm = pNoteLoop->GetForm();
+    if (pForm && (pForm->GetInterface() == pMessage->m_pDstTarget)) {
+      return TRUE;
+    }
+  }
+  iCount = m_forms.GetSize();
+  for (int32_t j = 0; j < iCount; j++) {
+    CFWL_FormImp* pForm = static_cast<CFWL_FormImp*>(m_forms[j]);
+    if (pForm->GetInterface() == pMessage->m_pDstTarget) {
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+IFWL_Widget* CFWL_NoteDriver::GetMessageForm(IFWL_Widget* pDstTarget) {
+  int32_t iTrackLoop = m_noteLoopQueue.GetSize();
+  if (iTrackLoop <= 0)
+    return NULL;
+  IFWL_Widget* pMessageForm = NULL;
+  if (iTrackLoop > 1) {
+    CFWL_NoteLoop* pNootLoop =
+        static_cast<CFWL_NoteLoop*>(m_noteLoopQueue[iTrackLoop - 1]);
+    pMessageForm = pNootLoop->GetForm()->GetInterface();
+  } else {
+    pMessageForm = (m_forms.Find(pDstTarget) < 0) ? NULL : pDstTarget;
+  }
+  if (!pMessageForm && pDstTarget) {
+    CFWL_WidgetMgr* pWidgetMgr =
+        static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+    if (!pWidgetMgr)
+      return NULL;
+    pMessageForm =
+        pWidgetMgr->GetWidget(pDstTarget, FWL_WGTRELATION_SystemForm);
+  }
+  return pMessageForm;
+}
+void CFWL_NoteDriver::ClearInvalidEventTargets(FX_BOOL bRemoveAll) {
+  FX_POSITION pos = m_eventTargets.GetStartPosition();
+  while (pos) {
+    void* key = NULL;
+    CFWL_EventTarget* pEventTarget = NULL;
+    m_eventTargets.GetNextAssoc(pos, key, (void*&)pEventTarget);
+    if (pEventTarget && (bRemoveAll || pEventTarget->IsInvalid())) {
+      m_eventTargets.RemoveKey(key);
+      delete pEventTarget;
+    }
+  }
+}
+class CFWL_CoreToopTipDP : public IFWL_ToolTipDP {
+ public:
+  FWL_ERR GetCaption(IFWL_Widget* pWidget, CFX_WideString& wsCaption);
+  int32_t GetInitialDelay(IFWL_Widget* pWidget);
+  int32_t GetAutoPopDelay(IFWL_Widget* pWidget);
+  CFX_DIBitmap* GetToolTipIcon(IFWL_Widget* pWidget);
+  CFX_SizeF GetToolTipIconSize(IFWL_Widget* pWidget);
+  CFX_RectF GetAnchor();
+  CFWL_CoreToopTipDP();
+
+  CFX_WideString m_wsCaption;
+  int32_t m_nInitDelayTime;
+  int32_t m_nAutoPopDelayTime;
+  CFX_RectF m_fAnchor;
+};
+CFWL_CoreToopTipDP::CFWL_CoreToopTipDP() {
+  m_nInitDelayTime = 500;
+  m_nAutoPopDelayTime = 50000;
+  m_fAnchor.Set(0.0, 0.0, 0.0, 0.0);
+}
+FWL_ERR CFWL_CoreToopTipDP::GetCaption(IFWL_Widget* pWidget,
+                                       CFX_WideString& wsCaption) {
+  wsCaption = m_wsCaption;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_CoreToopTipDP::GetInitialDelay(IFWL_Widget* pWidget) {
+  return m_nInitDelayTime;
+}
+int32_t CFWL_CoreToopTipDP::GetAutoPopDelay(IFWL_Widget* pWidget) {
+  return m_nAutoPopDelayTime;
+}
+CFX_DIBitmap* CFWL_CoreToopTipDP::GetToolTipIcon(IFWL_Widget* pWidget) {
+  return NULL;
+}
+CFX_SizeF CFWL_CoreToopTipDP::GetToolTipIconSize(IFWL_Widget* pWidget) {
+  return CFX_SizeF();
+}
+CFX_RectF CFWL_CoreToopTipDP::GetAnchor() {
+  return m_fAnchor;
+}
+CFWL_EventTarget::~CFWL_EventTarget() {
+  m_eventSources.RemoveAll();
+}
+int32_t CFWL_EventTarget::SetEventSource(IFWL_Widget* pSource,
+                                         FX_DWORD dwFilter) {
+  if (pSource) {
+    m_eventSources.SetAt(pSource, dwFilter);
+    return m_eventSources.GetCount();
+  }
+  return 1;
+}
+FX_BOOL CFWL_EventTarget::ProcessEvent(CFWL_Event* pEvent) {
+  IFWL_WidgetDelegate* pDelegate = m_pListener->SetDelegate(NULL);
+  if (!pDelegate)
+    return FALSE;
+  if (m_eventSources.GetCount() == 0) {
+    pDelegate->OnProcessEvent(pEvent);
+    return TRUE;
+  }
+  FX_POSITION pos = m_eventSources.GetStartPosition();
+  while (pos) {
+    IFWL_Widget* pSource = NULL;
+    FX_DWORD dwFilter = 0;
+    m_eventSources.GetNextAssoc(pos, (void*&)pSource, dwFilter);
+    if (pSource == pEvent->m_pSrcTarget ||
+        pEvent->GetClassID() == FWL_EVTHASH_Idle) {
+      if (IsFilterEvent(pEvent, dwFilter)) {
+        pDelegate->OnProcessEvent(pEvent);
+        return TRUE;
+      }
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_EventTarget::IsFilterEvent(CFWL_Event* pEvent, FX_DWORD dwFilter) {
+  if (dwFilter == FWL_EVENT_ALL_MASK) {
+    return TRUE;
+  }
+  FX_BOOL bRet = FALSE;
+  switch (pEvent->GetClassID()) {
+    case FWL_EVTHASH_Mouse: {
+      bRet = dwFilter & FWL_EVENT_MOUSE_MASK;
+      break;
+    }
+    case FWL_EVTHASH_MouseWheel: {
+      bRet = dwFilter & FWL_EVENT_MOUSEWHEEL_MASK;
+      break;
+    }
+    case FWL_EVTHASH_Key: {
+      bRet = dwFilter & FWL_EVENT_KEY_MASK;
+      break;
+    }
+    case FWL_EVTHASH_SetFocus:
+    case FWL_EVTHASH_KillFocus: {
+      bRet = dwFilter & FWL_EVENT_FOCUSCHANGED_MASK;
+      break;
+    }
+    case FWL_EVTHASH_Draw: {
+      bRet = dwFilter & FWL_EVENT_DRAW_MASK;
+      break;
+    }
+    case FWL_EVTHASH_Close: {
+      bRet = dwFilter & FWL_EVENT_CLOSE_MASK;
+      break;
+    }
+    case FWL_EVTHASH_SizeChanged: {
+      bRet = dwFilter & FWL_EVENT_SIZECHANGED_MASK;
+      break;
+    }
+    case FWL_EVTHASH_Idle: {
+      bRet = dwFilter & FWL_EVENT_IDLE_MASK;
+      break;
+    }
+    default: {
+      bRet = dwFilter & FWL_EVENT_CONTROL_MASK;
+      break;
+    }
+  }
+  return bRet;
+}
+
+CFWL_ToolTipContainer* CFWL_ToolTipContainer::s_pInstance = NULL;
+
+CFWL_ToolTipContainer::CFWL_ToolTipContainer()
+    : pCurTarget(NULL), m_pToolTipImp(NULL) {
+  m_ToolTipDp = new CFWL_CoreToopTipDP;
+  m_ToolTipDp->m_nInitDelayTime = 0;
+  m_ToolTipDp->m_nAutoPopDelayTime = 2000;
+}
+CFWL_ToolTipContainer::~CFWL_ToolTipContainer() {
+  if (m_pToolTipImp) {
+    IFWL_ToolTip* pToolTip =
+        static_cast<IFWL_ToolTip*>(m_pToolTipImp->GetInterface());
+    pToolTip->Finalize();
+    delete pToolTip;
+  }
+  delete m_ToolTipDp;
+}
+// static
+CFWL_ToolTipContainer* CFWL_ToolTipContainer::getInstance() {
+  if (!s_pInstance) {
+    s_pInstance = new CFWL_ToolTipContainer;
+  }
+  return s_pInstance;
+}
+// static
+void CFWL_ToolTipContainer::DeleteInstance() {
+  if (s_pInstance) {
+    delete s_pInstance;
+    s_pInstance = NULL;
+  }
+}
+FX_ERR CFWL_ToolTipContainer::AddToolTipTarget(IFWL_ToolTipTarget* pTarget) {
+  if (m_arrWidget.Find((void*)pTarget) < 0) {
+    m_arrWidget.Add((void*)pTarget);
+    return FWL_ERR_Succeeded;
+  }
+  return FWL_ERR_Indefinite;
+}
+FX_ERR CFWL_ToolTipContainer::RemoveToolTipTarget(IFWL_ToolTipTarget* pTarget) {
+  int index = m_arrWidget.Find((void*)pTarget);
+  if (index >= 0) {
+    m_arrWidget.RemoveAt(index);
+    return FWL_ERR_Succeeded;
+  }
+  return FWL_ERR_Indefinite;
+}
+FX_BOOL CFWL_ToolTipContainer::HasToolTip(IFWL_Widget* pWedget) {
+  int32_t iCount = m_arrWidget.GetSize();
+  for (int32_t i = 0; i < iCount; i++) {
+    IFWL_ToolTipTarget* p = static_cast<IFWL_ToolTipTarget*>(m_arrWidget[i]);
+    if (p->GetWidget() == pWedget) {
+      pCurTarget = p;
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_ToolTipContainer::ProcessEnter(CFWL_EvtMouse* pEvt,
+                                            IFWL_Widget* pOwner) {
+  if (HasToolTip(pEvt->m_pDstTarget)) {
+    if (NULL == m_pToolTipImp) {
+      CFWL_WidgetImpProperties prop;
+      prop.m_pDataProvider = m_ToolTipDp;
+      prop.m_pOwner = pOwner;
+      CFX_RectF rtTooltip;
+      rtTooltip.Set(150, 150, 100, 50);
+      prop.m_rtWidget = rtTooltip;
+      IFWL_ToolTip* pToolTip = IFWL_ToolTip::Create(prop, nullptr);
+      pToolTip->Initialize();
+      m_pToolTipImp = static_cast<CFWL_ToolTipImp*>(pToolTip->GetImpl());
+      m_pToolTipImp->ModifyStylesEx(FWL_STYLEEXT_TTP_Multiline, 0);
+      m_pToolTipImp->SetStates(FWL_WGTSTATE_Invisible, TRUE);
+    }
+    if (pCurTarget->IsShowed()) {
+      CFX_WideString wsCaption;
+      pCurTarget->GetCaption(wsCaption);
+      if (!wsCaption.IsEmpty()) {
+        m_ToolTipDp->m_wsCaption = wsCaption;
+      }
+      CFX_RectF rt;
+      CFX_SizeF sz;
+      pCurTarget->GetToolTipSize(sz);
+      if (sz.x > 0 && sz.y > 0) {
+        rt.width = sz.x;
+        rt.height = sz.y;
+      } else {
+        CFX_RectF r;
+        m_pToolTipImp->GetWidgetRect(r, TRUE);
+        rt.width = r.width;
+        rt.height = r.height;
+      }
+      CFX_PointF pt(pEvt->m_fx, pEvt->m_fy);
+      if (pCurTarget->GetToolTipPos(pt) == FWL_ERR_Succeeded) {
+        rt.left = pt.x;
+        rt.top = pt.y;
+        m_pToolTipImp->ModifyStylesEx(FWL_STYLEEXT_TTP_NoAnchor, 0);
+      } else {
+        CFX_RectF rtAnchor;
+        pCurTarget->GetWidget()->GetClientRect(rtAnchor);
+        pCurTarget->GetWidget()->TransformTo(NULL, rtAnchor.left, rtAnchor.top);
+        m_pToolTipImp->SetAnchor(rtAnchor);
+        m_pToolTipImp->ModifyStylesEx(0, FWL_STYLEEXT_TTP_NoAnchor);
+      }
+      m_pToolTipImp->SetWidgetRect(rt);
+      m_pToolTipImp->Update();
+      m_pToolTipImp->Show();
+    }
+    return TRUE;
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_ToolTipContainer::ProcessLeave(CFWL_EvtMouse* pEvt) {
+  if (HasToolTip(pEvt->m_pDstTarget) && NULL != m_pToolTipImp) {
+    m_pToolTipImp->Hide();
+    pCurTarget = NULL;
+    return TRUE;
+  }
+  return FALSE;
+}
+IFWL_ToolTipTarget* CFWL_ToolTipContainer::GetCurrentToolTipTarget() {
+  return pCurTarget;
+}
+FX_ERR CFWL_ToolTipContainer::SetToolTipInitialDelay(int32_t nDelayTime) {
+  m_ToolTipDp->m_nInitDelayTime = nDelayTime;
+  return FWL_ERR_Succeeded;
+}
+FX_ERR CFWL_ToolTipContainer::SetToolTipAutoPopDelay(int32_t nDelayTime) {
+  m_ToolTipDp->m_nAutoPopDelayTime = nDelayTime;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR FWL_AddToolTipTarget(IFWL_ToolTipTarget* pTarget) {
+  return CFWL_ToolTipContainer::getInstance()->AddToolTipTarget(pTarget);
+}
+FWL_ERR FWL_RemoveToolTipTarget(IFWL_ToolTipTarget* pTarget) {
+  return CFWL_ToolTipContainer::getInstance()->RemoveToolTipTarget(pTarget);
+}
+FWL_ERR FWL_SetToolTipInitialDelay(int32_t nDelayTime) {
+  return CFWL_ToolTipContainer::getInstance()->SetToolTipInitialDelay(
+      nDelayTime);
+}
+FWL_ERR FWL_SetToolTipAutoPopDelay(int32_t nDelayTime) {
+  return CFWL_ToolTipContainer::getInstance()->SetToolTipAutoPopDelay(
+      nDelayTime);
+}
+IFWL_Widget* FWL_GetCurrentThreadModalWidget(IFWL_NoteThread* pNoteThread) {
+  if (!pNoteThread)
+    return NULL;
+  CFWL_NoteDriver* noteDriver =
+      static_cast<CFWL_NoteDriver*>(pNoteThread->GetNoteDriver());
+  if (!noteDriver)
+    return NULL;
+  if (noteDriver->CountLoop() == 1) {
+    return NULL;
+  }
+  CFWL_NoteLoop* topLoop = noteDriver->GetTopLoop();
+  if (!topLoop)
+    return NULL;
+  CFWL_WidgetImp* widget = topLoop->GetForm();
+  if (!widget)
+    return NULL;
+  return widget->GetInterface();
+}
+FWL_ERR FWL_SetHook(IFWL_NoteDriver* driver,
+                    FWLMessageHookCallback callback,
+                    void* info) {
+  CFWL_NoteDriver* noteDriver = static_cast<CFWL_NoteDriver*>(driver);
+  noteDriver->SetHook(callback, info);
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/core/fwl_noteimp.h b/xfa/fwl/core/fwl_noteimp.h
new file mode 100644
index 0000000000..e0f17bb278
--- /dev/null
+++ b/xfa/fwl/core/fwl_noteimp.h
@@ -0,0 +1,157 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_NOTEIMP_H_
+#define XFA_FWL_CORE_FWL_NOTEIMP_H_
+
+#include "xfa/include/fwl/core/fwl_note.h"
+
+class CFWL_WidgetImp;
+class CFWL_ToolTipImp;
+class CFWL_CoreToopTipDP;
+class CFWL_NoteDriver;
+class CFWL_EventTarget;
+class CFWL_ToolTipContainer;
+
+class CFWL_NoteLoop : public IFWL_NoteLoop {
+ public:
+  CFWL_NoteLoop(CFWL_WidgetImp* pForm = NULL);
+
+  // IFWL_NoteLoop:
+  ~CFWL_NoteLoop() override {}
+  FX_BOOL PreProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR Idle(int32_t count) override;
+
+  CFWL_WidgetImp* GetForm();
+  FX_BOOL ContinueModal();
+  FWL_ERR EndModalLoop();
+  FX_BOOL TranslateAccelerator(CFWL_Message* pMessage);
+  FWL_ERR SetMainForm(CFWL_WidgetImp* pForm);
+
+ protected:
+  void GenerateCommondEvent(FX_DWORD dwCommand);
+
+  CFWL_WidgetImp* m_pForm;
+  FX_BOOL m_bContinueModal;
+};
+class CFWL_NoteDriver : public IFWL_NoteDriver {
+ public:
+  CFWL_NoteDriver();
+  ~CFWL_NoteDriver() override;
+
+  // IFWL_NoteDriver:
+  FX_BOOL SendNote(CFWL_Note* pNote) override;
+  FX_BOOL PostMessage(CFWL_Message* pMessage) override;
+  FWL_ERR RegisterEventTarget(IFWL_Widget* pListener,
+                              IFWL_Widget* pEventSource = NULL,
+                              FX_DWORD dwFilter = FWL_EVENT_ALL_MASK) override;
+  FWL_ERR UnregisterEventTarget(IFWL_Widget* pListener) override;
+  void ClearEventTargets(FX_BOOL bRemoveAll) override;
+  int32_t GetQueueMaxSize() const override;
+  FWL_ERR SetQueueMaxSize(const int32_t size) override;
+  IFWL_NoteThread* GetOwnerThread() const override;
+  FWL_ERR PushNoteLoop(IFWL_NoteLoop* pNoteLoop) override;
+  IFWL_NoteLoop* PopNoteLoop() override;
+  IFWL_Widget* GetFocus() override;
+  FX_BOOL SetFocus(IFWL_Widget* pFocus, FX_BOOL bNotify = FALSE) override;
+  void SetGrab(IFWL_Widget* pGrab, FX_BOOL bSet) override;
+  FWL_ERR Run() override;
+
+  IFWL_Widget* GetHover();
+  void SetHover(IFWL_Widget* pHover);
+  void NotifyTargetHide(IFWL_Widget* pNoteTarget);
+  void NotifyTargetDestroy(IFWL_Widget* pNoteTarget);
+  void NotifyFullScreenMode(IFWL_Widget* pNoteTarget, FX_BOOL bFullScreen);
+  FWL_ERR RegisterForm(CFWL_WidgetImp* pForm);
+  FWL_ERR UnRegisterForm(CFWL_WidgetImp* pForm);
+  FX_BOOL QueueMessage(CFWL_Message* pMessage);
+  FX_BOOL UnqueueMessage(CFWL_NoteLoop* pNoteLoop);
+  CFWL_NoteLoop* GetTopLoop();
+  int32_t CountLoop();
+  void SetHook(FWLMessageHookCallback callback, void* info);
+  FX_BOOL ProcessMessage(CFWL_Message* pMessage);
+
+ protected:
+  FX_BOOL DispatchMessage(CFWL_Message* pMessage, IFWL_Widget* pMessageForm);
+  FX_BOOL DoActivate(CFWL_MsgActivate* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoDeactivate(CFWL_MsgDeactivate* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoSetFocus(CFWL_MsgSetFocus* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoKillFocus(CFWL_MsgKillFocus* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoKey(CFWL_MsgKey* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoMouse(CFWL_MsgMouse* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoWheel(CFWL_MsgMouseWheel* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoSize(CFWL_MsgSize* pMsg);
+  FX_BOOL DoWindowMove(CFWL_MsgWindowMove* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoDragFiles(CFWL_MsgDropFiles* pMsg, IFWL_Widget* pMessageForm);
+  FX_BOOL DoMouseEx(CFWL_MsgMouse* pMsg, IFWL_Widget* pMessageForm);
+  void MouseSecondary(CFWL_MsgMouse* pMsg);
+  FX_BOOL IsValidMessage(CFWL_Message* pMessage);
+  IFWL_Widget* GetMessageForm(IFWL_Widget* pDstTarget);
+  void ClearInvalidEventTargets(FX_BOOL bRemoveAll);
+  CFX_PtrArray m_forms;
+  CFX_PtrArray m_noteQueue;
+  CFX_PtrArray m_noteLoopQueue;
+  CFX_MapPtrToPtr m_eventTargets;
+  int32_t m_sendEventCalled;
+  int32_t m_maxSize;
+  FX_BOOL m_bFullScreen;
+  IFWL_Widget* m_pHover;
+  IFWL_Widget* m_pFocus;
+  IFWL_Widget* m_pGrab;
+  CFWL_NoteLoop* m_pNoteLoop;
+  FWLMessageHookCallback m_hook;
+  void* m_hookInfo;
+};
+typedef CFX_MapPtrTemplate<void*, FX_DWORD> CFWL_EventSource;
+class CFWL_EventTarget {
+ public:
+  CFWL_EventTarget(CFWL_NoteDriver* pNoteDriver, IFWL_Widget* pListener)
+      : m_pListener(pListener), m_pNoteDriver(pNoteDriver), m_bInvalid(FALSE) {}
+  ~CFWL_EventTarget();
+  int32_t SetEventSource(IFWL_Widget* pSource,
+                         FX_DWORD dwFilter = FWL_EVENT_ALL_MASK);
+  FX_BOOL ProcessEvent(CFWL_Event* pEvent);
+  FX_BOOL IsFilterEvent(CFWL_Event* pEvent, FX_DWORD dwFilter);
+  FX_BOOL IsInvalid() { return m_bInvalid; }
+  void FlagInvalid() { m_bInvalid = TRUE; }
+
+ protected:
+  CFWL_EventSource m_eventSources;
+  IFWL_Widget* m_pListener;
+  CFWL_NoteDriver* m_pNoteDriver;
+  FX_BOOL m_bInvalid;
+};
+class CFWL_ToolTipContainer {
+ public:
+  static CFWL_ToolTipContainer* getInstance();
+  static void DeleteInstance();
+
+  FX_ERR AddToolTipTarget(IFWL_ToolTipTarget* pTarget);
+  FX_ERR RemoveToolTipTarget(IFWL_ToolTipTarget* pTarget);
+  IFWL_ToolTipTarget* GetCurrentToolTipTarget();
+
+  FX_BOOL HasToolTip(IFWL_Widget* pWidget);
+
+  FX_BOOL ProcessEnter(CFWL_EvtMouse* pEvt, IFWL_Widget* pOwner);
+  FX_BOOL ProcessLeave(CFWL_EvtMouse* pEvt);
+
+  FX_ERR SetToolTipInitialDelay(int32_t iDelayTime);
+  FX_ERR SetToolTipAutoPopDelay(int32_t iDelayTime);
+
+ protected:
+  CFWL_ToolTipContainer();
+  virtual ~CFWL_ToolTipContainer();
+
+  IFWL_ToolTipTarget* pCurTarget;
+  CFWL_ToolTipImp* m_pToolTipImp;
+  CFWL_CoreToopTipDP* m_ToolTipDp;
+  CFX_PtrArray m_arrWidget;
+
+ private:
+  static CFWL_ToolTipContainer* s_pInstance;
+};
+
+#endif  // XFA_FWL_CORE_FWL_NOTEIMP_H_
diff --git a/xfa/fwl/core/fwl_panelimp.cpp b/xfa/fwl/core/fwl_panelimp.cpp
new file mode 100644
index 0000000000..e24413368c
--- /dev/null
+++ b/xfa/fwl/core/fwl_panelimp.cpp
@@ -0,0 +1,152 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_panelimp.h"
+
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/core/fwl_content.h"
+#include "xfa/include/fwl/core/fwl_grid.h"
+#include "xfa/include/fwl/core/fwl_panel.h"
+
+// static
+IFWL_Panel* IFWL_Panel::Create(CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter) {
+  IFWL_Panel* pPanel = new IFWL_Panel;
+  CFWL_PanelImp* pPanelImpl = new CFWL_PanelImp(properties, pOuter);
+  pPanel->SetImpl(pPanelImpl);
+  pPanelImpl->SetInterface(pPanel);
+  return pPanel;
+}
+IFWL_Panel::IFWL_Panel() {}
+IFWL_Content* IFWL_Panel::GetContent() {
+  return static_cast<CFWL_PanelImp*>(GetImpl())->GetContent();
+}
+FWL_ERR IFWL_Panel::SetContent(IFWL_Content* pContent) {
+  return static_cast<CFWL_PanelImp*>(GetImpl())->SetContent(pContent);
+}
+
+CFWL_PanelImp::CFWL_PanelImp(const CFWL_WidgetImpProperties& properties,
+                             IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter), m_pContent(nullptr) {}
+CFWL_PanelImp::~CFWL_PanelImp() {}
+FWL_ERR CFWL_PanelImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_Panel;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_PanelImp::GetClassID() const {
+  return FWL_CLASSHASH_Panel;
+}
+FWL_ERR CFWL_PanelImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    if (m_pContent) {
+      m_pContent->GetWidgetRect(rect, TRUE);
+    }
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PanelImp::Update() {
+  if (m_pContent) {
+    CFX_RectF rtClient;
+    GetClientRect(rtClient);
+    FWL_GRIDUNIT eWidth = FWL_GRIDUNIT_Fixed, eHeight = FWL_GRIDUNIT_Fixed;
+    IFWL_WidgetMgr* pWidgetMgr = FWL_GetWidgetMgr();
+    if (!pWidgetMgr)
+      return FWL_ERR_Indefinite;
+    IFWL_Widget* pParent =
+        pWidgetMgr->GetWidget(GetInterface(), FWL_WGTRELATION_Parent);
+    if (pParent && pParent->GetClassID() == FWL_CLASSHASH_Grid) {
+      IFWL_Grid* pGrid = static_cast<IFWL_Grid*>(pParent);
+      pGrid->GetWidgetSize(GetInterface(), FWL_GRIDSIZE_Width, eWidth);
+      pGrid->GetWidgetSize(GetInterface(), FWL_GRIDSIZE_Height, eHeight);
+    }
+    m_pContent->SetWidgetRect(rtClient);
+    m_pContent->Update();
+  }
+  return FWL_ERR_Succeeded;
+}
+IFWL_Content* CFWL_PanelImp::GetContent() {
+  return m_pContent;
+}
+FWL_ERR CFWL_PanelImp::SetContent(IFWL_Content* pContent) {
+  if (!pContent)
+    return FWL_ERR_Indefinite;
+  m_pContent = pContent;
+  return pContent->SetParent(m_pInterface);
+}
+class CFWL_CustomPanelImp : public CFWL_WidgetImp {
+ public:
+  CFWL_CustomPanelImp(const CFWL_WidgetImpProperties& properties,
+                      IFWL_Widget* pOuter);
+  virtual ~CFWL_CustomPanelImp();
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual IFWL_Content* GetContent();
+  virtual FWL_ERR SetContent(IFWL_Content* pContent);
+  FWL_ERR SetProxy(IFWL_Proxy* pProxy);
+
+ protected:
+  IFWL_Content* m_pContent;
+  IFWL_Proxy* m_pProxy;
+};
+CFWL_CustomPanelImp::CFWL_CustomPanelImp(
+    const CFWL_WidgetImpProperties& properties,
+    IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter),
+      m_pContent(nullptr),
+      m_pProxy(nullptr) {}
+CFWL_CustomPanelImp::~CFWL_CustomPanelImp() {}
+FWL_ERR CFWL_CustomPanelImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize && m_pProxy &&
+      (m_pProxy->GetWidgetRect(rect, bAutoSize) == FWL_ERR_Succeeded)) {
+    return FWL_ERR_Succeeded;
+  }
+  return CFWL_WidgetImp::GetWidgetRect(rect, bAutoSize);
+}
+FWL_ERR CFWL_CustomPanelImp::Update() {
+  if (m_pProxy) {
+    return m_pProxy->Update();
+  }
+  return CFWL_WidgetImp::Update();
+}
+IFWL_Content* CFWL_CustomPanelImp::GetContent() {
+  return m_pContent;
+}
+FWL_ERR CFWL_CustomPanelImp::SetContent(IFWL_Content* pContent) {
+  if (!pContent)
+    return FWL_ERR_Indefinite;
+  m_pContent = pContent;
+  return pContent->SetParent(m_pInterface);
+}
+FWL_ERR CFWL_CustomPanelImp::SetProxy(IFWL_Proxy* pProxy) {
+  m_pProxy = pProxy;
+  return FWL_ERR_Succeeded;
+}
+
+// statuc
+IFWL_CustomPanel* IFWL_CustomPanel::Create(CFWL_WidgetImpProperties& properties,
+                                           IFWL_Widget* pOuter) {
+  IFWL_CustomPanel* pCustomPanel = new IFWL_CustomPanel;
+  CFWL_CustomPanelImp* pCustomPanelImpl =
+      new CFWL_CustomPanelImp(properties, pOuter);
+  pCustomPanel->SetImpl(pCustomPanelImpl);
+  pCustomPanelImpl->SetInterface(pCustomPanel);
+  return pCustomPanel;
+}
+IFWL_CustomPanel::IFWL_CustomPanel() {}
+IFWL_Content* IFWL_CustomPanel::GetContent() {
+  return static_cast<CFWL_CustomPanelImp*>(GetImpl())->GetContent();
+}
+FWL_ERR IFWL_CustomPanel::SetContent(IFWL_Content* pContent) {
+  return static_cast<CFWL_CustomPanelImp*>(GetImpl())->SetContent(pContent);
+}
+FWL_ERR IFWL_CustomPanel::SetProxy(IFWL_Proxy* pProxy) {
+  return static_cast<CFWL_CustomPanelImp*>(GetImpl())->SetProxy(pProxy);
+}
diff --git a/xfa/fwl/core/fwl_panelimp.h b/xfa/fwl/core/fwl_panelimp.h
new file mode 100644
index 0000000000..9462a38490
--- /dev/null
+++ b/xfa/fwl/core/fwl_panelimp.h
@@ -0,0 +1,32 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_PANELIMP_H_
+#define XFA_FWL_CORE_FWL_PANELIMP_H_
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+class CFWL_WidgetImpProperties;
+class IFWL_Widget;
+class IFWL_Content;
+
+class CFWL_PanelImp : public CFWL_WidgetImp {
+ public:
+  CFWL_PanelImp(const CFWL_WidgetImpProperties& properties,
+                IFWL_Widget* pOuter);
+  virtual ~CFWL_PanelImp();
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual IFWL_Content* GetContent();
+  virtual FWL_ERR SetContent(IFWL_Content* pContent);
+
+ protected:
+  IFWL_Content* m_pContent;
+};
+
+#endif  // XFA_FWL_CORE_FWL_PANELIMP_H_
diff --git a/xfa/fwl/core/fwl_sdadapterimp.cpp b/xfa/fwl/core/fwl_sdadapterimp.cpp
new file mode 100644
index 0000000000..88df9bce43
--- /dev/null
+++ b/xfa/fwl/core/fwl_sdadapterimp.cpp
@@ -0,0 +1,175 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/adapter/fwl_sdadapterimp.h"
+
+#include "core/include/fxcrt/fx_system.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapterthreadmgr.h"
+#include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+
+CFWL_SDAdapterWidgetMgr::CFWL_SDAdapterWidgetMgr() {}
+CFWL_SDAdapterWidgetMgr::~CFWL_SDAdapterWidgetMgr() {}
+
+FWL_ERR CFWL_SDAdapterWidgetMgr::CreateWidget(IFWL_Widget* pWidget,
+                                              IFWL_Widget* pParent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::DestroyWidget(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetWidgetRect(IFWL_Widget* pWidget,
+                                               const CFX_RectF& rect) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetWidgetPosition(IFWL_Widget* pWidget,
+                                                   FX_FLOAT fx,
+                                                   FX_FLOAT fy) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetParentWidget(IFWL_Widget* pWidget,
+                                                 IFWL_Widget* pParent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::ShowWidget(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::HideWidget(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetNormal(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetMaximize(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetMinimize(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::RunWidget(IFWL_Widget* pWidget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::RepaintWidget(IFWL_Widget* pWidget,
+                                               const CFX_RectF* pRect) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::Exit(int32_t iExitCode) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::CreateWidgetWithNativeId(IFWL_Widget* pWidget,
+                                                          void* vp) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::GetWidgetRect(IFWL_Widget* pWidget,
+                                               CFX_RectF& rect) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetWidgetIcon(IFWL_Widget* pWidget,
+                                               const CFX_DIBitmap* pIcon,
+                                               FX_BOOL bBig) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetWidgetCaption(
+    IFWL_Widget* pWidget,
+    const CFX_WideStringC& wsCaption) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetBorderRegion(IFWL_Widget* pWidget,
+                                                 CFX_Path* pPath) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetTransparent(IFWL_Widget* pWidget,
+                                                FX_DWORD dwAlpha) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetFullScreen(IFWL_Widget* pWidget,
+                                               FX_BOOL bFullScreen) {
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_SDAdapterWidgetMgr::CheckMessage() {
+  return TRUE;
+}
+FX_BOOL CFWL_SDAdapterWidgetMgr::IsIdleMessage() {
+  return TRUE;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::DispatchMessage() {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::GetWidgetDC(IFWL_Widget* pWidget, void*& pDC) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::ReleaseWidgetDC(IFWL_Widget* pWidget,
+                                                 void* pDC,
+                                                 CFX_RectF* pClip) {
+  return FWL_ERR_Succeeded;
+}
+void* CFWL_SDAdapterWidgetMgr::GetWindow(IFWL_Widget* pWidget) {
+  return NULL;
+}
+FX_DWORD CFWL_SDAdapterWidgetMgr::GetKeyState(FX_DWORD dwVirtKey) {
+  return 0;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::RunLoop(IFWL_Widget* widget) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::EndLoop() {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::InitMenu(IFWL_Menu* pMenu,
+                                          IFWL_MenuDP* pMenuData) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::UpdateMenu(IFWL_Menu* pMenu,
+                                            const void* hItem,
+                                            int32_t iType) {
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_SDAdapterWidgetMgr::TrackPopupMenu(IFWL_Menu* pMenu,
+                                                IFWL_MenuDP* pMenuData) {
+  return 0;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::SetMessageHook(IFWL_AdapterMessageHook* hook) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterWidgetMgr::GetSystemBorder(FX_FLOAT& l,
+                                                 FX_FLOAT& t,
+                                                 FX_FLOAT& r,
+                                                 FX_FLOAT& b) {
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_SDAdapterWidgetMgr::GetPopupPos(IFWL_Widget* pWidget,
+                                             FX_FLOAT fMinHeight,
+                                             FX_FLOAT fMaxHeight,
+                                             const CFX_RectF& rtAnchor,
+                                             CFX_RectF& rtPopup) {
+  return FWL_ERR_Succeeded;
+}
+CFWL_SDAdapterThreadMgr::CFWL_SDAdapterThreadMgr() {}
+CFWL_SDAdapterThreadMgr::~CFWL_SDAdapterThreadMgr() {}
+FWL_ERR CFWL_SDAdapterThreadMgr::Start(IFWL_Thread* pThread,
+                                       FWL_HTHREAD& hThread,
+                                       FX_BOOL bSuspended) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterThreadMgr::Resume(FWL_HTHREAD hThread) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterThreadMgr::Suspend(FWL_HTHREAD hThread) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterThreadMgr::Kill(FWL_HTHREAD hThread, int32_t iExitCode) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_SDAdapterThreadMgr::Stop(FWL_HTHREAD hThread, int32_t iExitCode) {
+  return FWL_ERR_Succeeded;
+}
+IFWL_Thread* CFWL_SDAdapterThreadMgr::GetCurrentThread() {
+  return FWL_GetApp();
+}
diff --git a/xfa/fwl/core/fwl_targetimp.cpp b/xfa/fwl/core/fwl_targetimp.cpp
new file mode 100644
index 0000000000..d1f92d0307
--- /dev/null
+++ b/xfa/fwl/core/fwl_targetimp.cpp
@@ -0,0 +1,44 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_targetimp.h"
+
+FWL_ERR IFWL_Target::GetClassName(CFX_WideString& wsClass) const {
+  return m_pImpl->GetClassName(wsClass);
+}
+FX_DWORD IFWL_Target::GetClassID() const {
+  return m_pImpl->GetClassID();
+}
+FX_BOOL IFWL_Target::IsInstance(const CFX_WideStringC& wsClass) const {
+  return m_pImpl->IsInstance(wsClass);
+}
+FWL_ERR IFWL_Target::Initialize() {
+  return m_pImpl->Initialize();
+}
+FWL_ERR IFWL_Target::Finalize() {
+  return m_pImpl->Finalize();
+}
+IFWL_Target::~IFWL_Target() {
+  delete m_pImpl;
+}
+CFWL_TargetImp::CFWL_TargetImp() {}
+CFWL_TargetImp::~CFWL_TargetImp() {}
+FWL_ERR CFWL_TargetImp::GetClassName(CFX_WideString& wsClass) const {
+  wsClass.Empty();
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_TargetImp::GetClassID() const {
+  return 0;
+}
+FX_BOOL CFWL_TargetImp::IsInstance(const CFX_WideStringC& wsClass) const {
+  return FALSE;
+}
+FWL_ERR CFWL_TargetImp::Initialize() {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_TargetImp::Finalize() {
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/core/fwl_targetimp.h b/xfa/fwl/core/fwl_targetimp.h
new file mode 100644
index 0000000000..8aeca79708
--- /dev/null
+++ b/xfa/fwl/core/fwl_targetimp.h
@@ -0,0 +1,27 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_TARGETIMP_H_
+#define XFA_FWL_CORE_FWL_TARGETIMP_H_
+
+#include "core/include/fxcrt/fx_basic.h"
+#include "xfa/include/fwl/core/fwl_target.h"
+
+class CFWL_TargetImp {
+ public:
+  virtual ~CFWL_TargetImp();
+
+  virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
+  virtual FX_DWORD GetClassID() const;
+  virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+
+ protected:
+  CFWL_TargetImp();
+};
+
+#endif  // XFA_FWL_CORE_FWL_TARGETIMP_H_
diff --git a/xfa/fwl/core/fwl_threadimp.cpp b/xfa/fwl/core/fwl_threadimp.cpp
new file mode 100644
index 0000000000..e0ec0b01e7
--- /dev/null
+++ b/xfa/fwl/core/fwl_threadimp.cpp
@@ -0,0 +1,38 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_threadimp.h"
+
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+
+void IFWL_Thread::Release() {
+  delete m_pImpl;
+}
+FWL_ERR IFWL_Thread::Run(FWL_HTHREAD hThread) {
+  return m_pImpl->Run(hThread);
+}
+IFWL_NoteDriver* IFWL_NoteThread::GetNoteDriver() {
+  return static_cast<CFWL_NoteThreadImp*>(GetImpl())->GetNoteDriver();
+}
+
+FWL_ERR CFWL_ThreadImp::Run(FWL_HTHREAD hThread) {
+  return FWL_ERR_Succeeded;
+}
+CFWL_NoteThreadImp::CFWL_NoteThreadImp(IFWL_NoteThread* pIface)
+    : CFWL_ThreadImp(pIface), m_pNoteDriver(new CFWL_NoteDriver) {}
+CFWL_NoteThreadImp::~CFWL_NoteThreadImp() {
+  delete m_pNoteDriver;
+}
+FWL_ERR CFWL_NoteThreadImp::Run(FWL_HTHREAD hThread) {
+  if (!m_pNoteDriver)
+    return FWL_ERR_Indefinite;
+  return m_pNoteDriver->Run();
+}
+IFWL_NoteDriver* CFWL_NoteThreadImp::GetNoteDriver() {
+  return m_pNoteDriver;
+}
diff --git a/xfa/fwl/core/fwl_threadimp.h b/xfa/fwl/core/fwl_threadimp.h
new file mode 100644
index 0000000000..591849bc08
--- /dev/null
+++ b/xfa/fwl/core/fwl_threadimp.h
@@ -0,0 +1,40 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_THREADIMP_H_
+#define XFA_FWL_CORE_FWL_THREADIMP_H_
+
+#include "xfa/include/fwl/core/fwl_thread.h"  // For FWL_HTHREAD.
+
+class CFWL_NoteDriver;
+class IFWL_NoteDriver;
+
+class CFWL_ThreadImp {
+ public:
+  virtual ~CFWL_ThreadImp() {}
+  IFWL_Thread* GetInterface() const { return m_pIface; }
+  virtual FWL_ERR Run(FWL_HTHREAD hThread);
+
+ protected:
+  CFWL_ThreadImp(IFWL_Thread* pIface) : m_pIface(pIface) {}
+
+ private:
+  IFWL_Thread* const m_pIface;
+};
+
+class CFWL_NoteThreadImp : public CFWL_ThreadImp {
+ public:
+  CFWL_NoteThreadImp(IFWL_NoteThread* pIface);
+  virtual ~CFWL_NoteThreadImp();
+
+  FWL_ERR Run(FWL_HTHREAD hThread) override;
+  virtual IFWL_NoteDriver* GetNoteDriver();
+
+ protected:
+  CFWL_NoteDriver* const m_pNoteDriver;
+};
+
+#endif  // XFA_FWL_CORE_FWL_THREADIMP_H_
diff --git a/xfa/fwl/core/fwl_timerimp.cpp b/xfa/fwl/core/fwl_timerimp.cpp
new file mode 100644
index 0000000000..d9741f6fd4
--- /dev/null
+++ b/xfa/fwl/core/fwl_timerimp.cpp
@@ -0,0 +1,36 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapternative.h"
+#include "xfa/include/fwl/adapter/fwl_adaptertimermgr.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_timer.h"
+
+FWL_HTIMER FWL_StartTimer(IFWL_Timer* pTimer,
+                          FX_DWORD dwElapse,
+                          FX_BOOL bImmediately) {
+  IFWL_AdapterNative* pAdapterNative = FWL_GetAdapterNative();
+  if (!pAdapterNative)
+    return NULL;
+  IFWL_AdapterTimerMgr* pAdapterTimerMgr = pAdapterNative->GetTimerMgr();
+  if (!pAdapterTimerMgr)
+    return NULL;
+  FWL_HTIMER hTimer = NULL;
+  pAdapterTimerMgr->Start(pTimer, dwElapse, hTimer, bImmediately);
+  return hTimer;
+}
+int32_t FWL_StopTimer(FWL_HTIMER hTimer) {
+  IFWL_AdapterNative* pAdapterNative = FWL_GetAdapterNative();
+  if (!pAdapterNative)
+    return FWL_ERR_Indefinite;
+  IFWL_AdapterTimerMgr* pAdapterTimerMgr = pAdapterNative->GetTimerMgr();
+  if (!pAdapterTimerMgr)
+    return FWL_ERR_Indefinite;
+  return pAdapterTimerMgr->Stop(hTimer);
+}
diff --git a/xfa/fwl/core/fwl_widgetimp.cpp b/xfa/fwl/core/fwl_widgetimp.cpp
new file mode 100644
index 0000000000..18429681c5
--- /dev/null
+++ b/xfa/fwl/core/fwl_widgetimp.cpp
@@ -0,0 +1,1101 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+#include <algorithm>
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapternative.h"
+#include "xfa/include/fwl/adapter/fwl_adapterthreadmgr.h"
+#include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
+#include "xfa/include/fwl/basewidget/fwl_combobox.h"
+#include "xfa/include/fwl/basewidget/fwl_datetimepicker.h"
+#include "xfa/include/fwl/basewidget/fwl_menu.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_content.h"
+#include "xfa/include/fwl/core/fwl_form.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+
+FWL_ERR IFWL_Widget::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->GetWidgetRect(rect, bAutoSize);
+}
+FWL_ERR IFWL_Widget::GetGlobalRect(CFX_RectF& rect) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetGlobalRect(rect);
+}
+FWL_ERR IFWL_Widget::SetWidgetRect(const CFX_RectF& rect) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->SetWidgetRect(rect);
+}
+FWL_ERR IFWL_Widget::GetClientRect(CFX_RectF& rect) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetClientRect(rect);
+}
+IFWL_Widget* IFWL_Widget::GetParent() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetParent();
+}
+FWL_ERR IFWL_Widget::SetParent(IFWL_Widget* pParent) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->SetParent(pParent);
+}
+IFWL_Widget* IFWL_Widget::GetOwner() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetOwner();
+}
+FWL_ERR IFWL_Widget::SetOwner(IFWL_Widget* pOwner) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->SetOwner(pOwner);
+}
+IFWL_Widget* IFWL_Widget::GetOuter() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetOuter();
+}
+FX_DWORD IFWL_Widget::GetStyles() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetStyles();
+}
+FWL_ERR IFWL_Widget::ModifyStyles(FX_DWORD dwStylesAdded,
+                                  FX_DWORD dwStylesRemoved) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->ModifyStyles(dwStylesAdded, dwStylesRemoved);
+}
+FX_DWORD IFWL_Widget::GetStylesEx() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetStylesEx();
+}
+FWL_ERR IFWL_Widget::ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                    FX_DWORD dwStylesExRemoved) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+FX_DWORD IFWL_Widget::GetStates() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetStates();
+}
+FWL_ERR IFWL_Widget::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->SetStates(dwStates, bSet);
+}
+FWL_ERR IFWL_Widget::SetPrivateData(void* module_id,
+                                    void* pData,
+                                    PD_CALLBACK_FREEDATA callback) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->SetPrivateData(module_id, pData, callback);
+}
+void* IFWL_Widget::GetPrivateData(void* module_id) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetPrivateData(module_id);
+}
+FWL_ERR IFWL_Widget::Update() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->Update();
+}
+FWL_ERR IFWL_Widget::LockUpdate() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->LockUpdate();
+}
+FWL_ERR IFWL_Widget::UnlockUpdate() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->UnlockUpdate();
+}
+FX_DWORD IFWL_Widget::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->HitTest(fx, fy);
+}
+FWL_ERR IFWL_Widget::TransformTo(IFWL_Widget* pWidget,
+                                 FX_FLOAT& fx,
+                                 FX_FLOAT& fy) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->TransformTo(pWidget, fx, fy);
+}
+FWL_ERR IFWL_Widget::TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->TransformTo(pWidget, rt);
+}
+FWL_ERR IFWL_Widget::GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetMatrix(matrix, bGlobal);
+}
+FWL_ERR IFWL_Widget::SetMatrix(const CFX_Matrix& matrix) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->SetMatrix(matrix);
+}
+FWL_ERR IFWL_Widget::DrawWidget(CFX_Graphics* pGraphics,
+                                const CFX_Matrix* pMatrix) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->DrawWidget(pGraphics, pMatrix);
+}
+IFWL_ThemeProvider* IFWL_Widget::GetThemeProvider() {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetThemeProvider();
+}
+FWL_ERR IFWL_Widget::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->SetThemeProvider(pThemeProvider);
+}
+FWL_ERR IFWL_Widget::SetDataProvider(IFWL_DataProvider* pDataProvider) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())
+      ->SetDataProvider(pDataProvider);
+}
+IFWL_WidgetDelegate* IFWL_Widget::SetDelegate(IFWL_WidgetDelegate* pDelegate) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->SetDelegate(pDelegate);
+}
+IFWL_NoteThread* IFWL_Widget::GetOwnerThread() const {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetOwnerThread();
+}
+CFX_SizeF IFWL_Widget::GetOffsetFromParent(IFWL_Widget* pParent) {
+  return static_cast<CFWL_WidgetImp*>(GetImpl())->GetOffsetFromParent(pParent);
+}
+FWL_ERR CFWL_WidgetImp::Initialize() {
+  IFWL_App* pApp = FWL_GetApp();
+  if (!pApp)
+    return FWL_ERR_Indefinite;
+  IFWL_AdapterNative* pAdapter = pApp->GetAdapterNative();
+  if (!pAdapter)
+    return FWL_ERR_Indefinite;
+  IFWL_AdapterThreadMgr* pAdapterThread = pAdapter->GetThreadMgr();
+  if (!pAdapterThread)
+    return FWL_ERR_Indefinite;
+  SetOwnerThread(static_cast<CFWL_NoteThreadImp*>(
+      pAdapterThread->GetCurrentThread()->GetImpl()));
+  IFWL_Widget* pParent = m_pProperties->m_pParent;
+  m_pWidgetMgr->InsertWidget(pParent, m_pInterface);
+  if (!IsChild()) {
+    {
+      IFWL_Widget* pOwner = m_pProperties->m_pOwner;
+      if (pOwner) {
+        m_pWidgetMgr->SetOwner(pOwner, m_pInterface);
+      }
+    }
+    m_pWidgetMgr->CreateWidget_Native(m_pInterface);
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::Finalize() {
+  NotifyDriver();
+  IFWL_Form* pForm = static_cast<IFWL_Form*>(
+      FWL_GetWidgetMgr()->GetWidget(m_pInterface, FWL_WGTRELATION_SystemForm));
+  if (pForm && pForm != m_pInterface) {
+    IFWL_Content* pContent = pForm->GetContent();
+    if (pContent) {
+      pContent->RemoveWidget(m_pInterface);
+    }
+  }
+  if (!IsChild()) {
+    m_pWidgetMgr->DestroyWidget_Native(m_pInterface);
+  }
+  m_pWidgetMgr->RemoveWidget(m_pInterface);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (bAutoSize) {
+    if (HasEdge()) {
+      FX_FLOAT fEdge = GetEdgeWidth();
+      rect.Inflate(fEdge, fEdge);
+    }
+    if (HasBorder()) {
+      FX_FLOAT fBorder = GetBorderSize();
+      rect.Inflate(fBorder, fBorder);
+    }
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::GetGlobalRect(CFX_RectF& rect) {
+  IFWL_Widget* pForm =
+      m_pWidgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_SystemForm);
+  if (!pForm)
+    return FWL_ERR_Indefinite;
+  rect.Set(0, 0, m_pProperties->m_rtWidget.width,
+           m_pProperties->m_rtWidget.height);
+  if (pForm == m_pInterface) {
+    return FWL_ERR_Succeeded;
+  }
+  return TransformTo(pForm, rect);
+}
+FWL_ERR CFWL_WidgetImp::SetWidgetRect(const CFX_RectF& rect) {
+  CFX_RectF rtOld = m_pProperties->m_rtWidget;
+  m_pProperties->m_rtWidget = rect;
+  if (IsChild()) {
+    if (FXSYS_fabs(rtOld.width - rect.width) > 0.5f ||
+        FXSYS_fabs(rtOld.height - rect.height) > 0.5f) {
+      CFWL_EvtSizeChanged ev;
+      ev.m_pSrcTarget = m_pInterface;
+      ev.m_rtOld = rtOld;
+      ev.m_rtNew = rect;
+      IFWL_WidgetDelegate* pDelegate = SetDelegate(NULL);
+      if (pDelegate) {
+        pDelegate->OnProcessEvent(&ev);
+      }
+    }
+    return FWL_ERR_Succeeded;
+  }
+  m_pWidgetMgr->SetWidgetRect_Native(m_pInterface, rect);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::GetClientRect(CFX_RectF& rect) {
+  GetEdgeRect(rect);
+  if (HasEdge()) {
+    FX_FLOAT fEdge = GetEdgeWidth();
+    rect.Deflate(fEdge, fEdge);
+  }
+  return FWL_ERR_Succeeded;
+}
+IFWL_Widget* CFWL_WidgetImp::GetParent() {
+  return m_pWidgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_Parent);
+}
+FWL_ERR CFWL_WidgetImp::SetParent(IFWL_Widget* pParent) {
+  m_pProperties->m_pParent = pParent;
+  m_pWidgetMgr->SetParent(pParent, m_pInterface);
+  return FWL_ERR_Succeeded;
+}
+IFWL_Widget* CFWL_WidgetImp::GetOwner() {
+  return m_pWidgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_Owner);
+}
+FWL_ERR CFWL_WidgetImp::SetOwner(IFWL_Widget* pOwner) {
+  m_pProperties->m_pOwner = pOwner;
+  m_pWidgetMgr->SetOwner(pOwner, m_pInterface);
+  return FWL_ERR_Succeeded;
+}
+IFWL_Widget* CFWL_WidgetImp::GetOuter() {
+  return m_pOuter;
+}
+FX_DWORD CFWL_WidgetImp::GetStyles() {
+  return m_pProperties->m_dwStyles;
+}
+FWL_ERR CFWL_WidgetImp::ModifyStyles(FX_DWORD dwStylesAdded,
+                                     FX_DWORD dwStylesRemoved) {
+  m_pProperties->m_dwStyles =
+      (m_pProperties->m_dwStyles & ~dwStylesRemoved) | dwStylesAdded;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_WidgetImp::GetStylesEx() {
+  return m_pProperties->m_dwStyleExes;
+}
+FWL_ERR CFWL_WidgetImp::ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                       FX_DWORD dwStylesExRemoved) {
+  m_pProperties->m_dwStyleExes =
+      (m_pProperties->m_dwStyleExes & ~dwStylesExRemoved) | dwStylesExAdded;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_WidgetImp::GetStates() {
+  return m_pProperties->m_dwStates;
+}
+static void NotifyHideChildWidget(IFWL_WidgetMgr* widgetMgr,
+                                  IFWL_Widget* widget,
+                                  CFWL_NoteDriver* noteDriver) {
+  IFWL_Widget* child = widgetMgr->GetWidget(widget, FWL_WGTRELATION_FirstChild);
+  while (child) {
+    noteDriver->NotifyTargetHide(child);
+    NotifyHideChildWidget(widgetMgr, child, noteDriver);
+    child = widgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling);
+  }
+}
+FWL_ERR CFWL_WidgetImp::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  bSet ? (m_pProperties->m_dwStates |= dwStates)
+       : (m_pProperties->m_dwStates &= ~dwStates);
+  FWL_ERR ret = FWL_ERR_Succeeded;
+  if (dwStates & FWL_WGTSTATE_Invisible) {
+    if (bSet) {
+      ret = m_pWidgetMgr->HideWidget_Native(m_pInterface);
+      CFWL_NoteDriver* noteDriver =
+          static_cast<CFWL_NoteDriver*>(GetOwnerThread()->GetNoteDriver());
+      IFWL_WidgetMgr* widgetMgr = FWL_GetWidgetMgr();
+      noteDriver->NotifyTargetHide(m_pInterface);
+      IFWL_Widget* child =
+          widgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_FirstChild);
+      while (child) {
+        noteDriver->NotifyTargetHide(child);
+        NotifyHideChildWidget(widgetMgr, child, noteDriver);
+        child = widgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling);
+      }
+    } else {
+      ret = m_pWidgetMgr->ShowWidget_Native(m_pInterface);
+    }
+  }
+  return ret;
+}
+FWL_ERR CFWL_WidgetImp::SetPrivateData(void* module_id,
+                                       void* pData,
+                                       PD_CALLBACK_FREEDATA callback) {
+  if (!m_pPrivateData) {
+    m_pPrivateData = new CFX_PrivateData;
+  }
+  m_pPrivateData->SetPrivateData(module_id, pData, callback);
+  return FWL_ERR_Succeeded;
+}
+void* CFWL_WidgetImp::GetPrivateData(void* module_id) {
+  if (!m_pPrivateData)
+    return NULL;
+  return m_pPrivateData->GetPrivateData(module_id);
+}
+FWL_ERR CFWL_WidgetImp::Update() {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::LockUpdate() {
+  m_iLock++;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::UnlockUpdate() {
+  if (IsLocked()) {
+    m_iLock--;
+  }
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_WidgetImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  CFX_RectF rtClient;
+  GetClientRect(rtClient);
+  if (rtClient.Contains(fx, fy)) {
+    return FWL_WGTHITTEST_Client;
+  }
+  if (HasEdge()) {
+    CFX_RectF rtEdge;
+    GetEdgeRect(rtEdge);
+    if (rtEdge.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Edge;
+    }
+  }
+  if (HasBorder()) {
+    CFX_RectF rtRelative;
+    GetRelativeRect(rtRelative);
+    if (rtRelative.Contains(fx, fy)) {
+      return FWL_WGTHITTEST_Border;
+    }
+  }
+  return FWL_WGTHITTEST_Unknown;
+}
+FWL_ERR CFWL_WidgetImp::TransformTo(IFWL_Widget* pWidget,
+                                    FX_FLOAT& fx,
+                                    FX_FLOAT& fy) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    CFX_SizeF szOffset;
+    if (IsParent(pWidget)) {
+      szOffset = GetOffsetFromParent(pWidget);
+    } else {
+      szOffset = pWidget->GetOffsetFromParent(m_pInterface);
+      szOffset.x = -szOffset.x;
+      szOffset.y = -szOffset.y;
+    }
+    fx += szOffset.x;
+    fy += szOffset.y;
+    return FWL_ERR_Succeeded;
+  }
+  CFX_RectF r;
+  CFX_Matrix m;
+  IFWL_Widget* parent = GetParent();
+  if (parent) {
+    GetWidgetRect(r);
+    fx += r.left;
+    fy += r.top;
+    GetMatrix(m, TRUE);
+    m.TransformPoint(fx, fy);
+  }
+  IFWL_Widget* form1 =
+      m_pWidgetMgr->GetWidget(m_pInterface, FWL_WGTRELATION_SystemForm);
+  if (!form1)
+    return FWL_ERR_Indefinite;
+  if (!pWidget) {
+    form1->GetWidgetRect(r);
+    fx += r.left;
+    fy += r.top;
+#ifdef FWL_UseMacSystemBorder
+    if (form1->GetStyles() & FWL_WGTSTYLE_Caption) {
+      FX_FLOAT l, t, r, b;
+      l = t = r = b = 0;
+      FWL_GetAdapterWidgetMgr()->GetSystemBorder(l, t, r, b);
+      fy += t;
+    }
+#endif
+    return FWL_ERR_Succeeded;
+  }
+  IFWL_Widget* form2 =
+      m_pWidgetMgr->GetWidget(pWidget, FWL_WGTRELATION_SystemForm);
+  if (!form2)
+    return FWL_ERR_Indefinite;
+  if (form1 != form2) {
+    form1->GetWidgetRect(r);
+    fx += r.left;
+    fy += r.top;
+    form2->GetWidgetRect(r);
+    fx -= r.left;
+    fy -= r.top;
+#ifdef FWL_UseMacSystemBorder
+    if ((form1->GetStyles() & FWL_WGTSTYLE_Caption) !=
+        (form2->GetStyles() & FWL_WGTSTYLE_Caption)) {
+      FX_FLOAT l, t, r, b;
+      l = t = r = b = 0;
+      FWL_GetAdapterWidgetMgr()->GetSystemBorder(l, t, r, b);
+      (form1->GetStyles() & FWL_WGTSTYLE_Caption) ? (fy += t) : (fy -= t);
+    }
+#endif
+  }
+  parent = pWidget->GetParent();
+  if (parent) {
+    pWidget->GetMatrix(m, TRUE);
+    CFX_Matrix m1;
+    m1.SetIdentity();
+    m1.SetReverse(m);
+    m1.TransformPoint(fx, fy);
+    pWidget->GetWidgetRect(r);
+    fx -= r.left;
+    fy -= r.top;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt) {
+  return TransformTo(pWidget, rt.left, rt.top);
+}
+FWL_ERR CFWL_WidgetImp::GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal) {
+  if (!m_pProperties)
+    return FWL_ERR_Indefinite;
+  if (bGlobal) {
+    IFWL_Widget* parent = GetParent();
+    CFX_PtrArray parents;
+    while (parent) {
+      parents.Add(parent);
+      parent = parent->GetParent();
+    }
+    matrix.SetIdentity();
+    CFX_Matrix ctmOnParent;
+    CFX_RectF rect;
+    int32_t count = parents.GetSize();
+    for (int32_t i = count - 2; i >= 0; i--) {
+      parent = static_cast<IFWL_Widget*>(parents.GetAt(i));
+      parent->GetMatrix(ctmOnParent, FALSE);
+      parent->GetWidgetRect(rect);
+      matrix.Concat(ctmOnParent, TRUE);
+      matrix.Translate(rect.left, rect.top, TRUE);
+    }
+    matrix.Concat(m_pProperties->m_ctmOnParent, TRUE);
+    parents.RemoveAll();
+  } else {
+    matrix = m_pProperties->m_ctmOnParent;
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::SetMatrix(const CFX_Matrix& matrix) {
+  if (!m_pProperties)
+    return FWL_ERR_Indefinite;
+  IFWL_Widget* parent = GetParent();
+  if (!parent) {
+    return FWL_ERR_Indefinite;
+  }
+  m_pProperties->m_ctmOnParent = matrix;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::DrawWidget(CFX_Graphics* pGraphics,
+                                   const CFX_Matrix* pMatrix) {
+  return FWL_ERR_Indefinite;
+}
+IFWL_ThemeProvider* CFWL_WidgetImp::GetThemeProvider() {
+  return m_pProperties->m_pThemeProvider;
+}
+FWL_ERR CFWL_WidgetImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
+  m_pProperties->m_pThemeProvider = pThemeProvider;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImp::SetDataProvider(IFWL_DataProvider* pDataProvider) {
+  m_pProperties->m_pDataProvider = pDataProvider;
+  return FWL_ERR_Succeeded;
+}
+IFWL_WidgetDelegate* CFWL_WidgetImp::SetDelegate(
+    IFWL_WidgetDelegate* pDelegate) {
+  if (!m_pCurDelegate) {
+    m_pCurDelegate = m_pDelegate;
+  }
+  if (!pDelegate) {
+    return m_pCurDelegate;
+  }
+  IFWL_WidgetDelegate* pOldDelegate = m_pCurDelegate;
+  m_pCurDelegate = pDelegate;
+  return pOldDelegate;
+}
+IFWL_NoteThread* CFWL_WidgetImp::GetOwnerThread() const {
+  return static_cast<IFWL_NoteThread*>(m_pOwnerThread->GetInterface());
+}
+FWL_ERR CFWL_WidgetImp::SetOwnerThread(CFWL_NoteThreadImp* pOwnerThread) {
+  m_pOwnerThread = pOwnerThread;
+  return FWL_ERR_Succeeded;
+}
+IFWL_Widget* CFWL_WidgetImp::GetInterface() const {
+  return m_pInterface;
+}
+void CFWL_WidgetImp::SetInterface(IFWL_Widget* pInterface) {
+  m_pInterface = pInterface;
+}
+CFWL_WidgetImp::CFWL_WidgetImp(const CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter)
+    : m_pProperties(new CFWL_WidgetImpProperties),
+      m_pPrivateData(NULL),
+      m_pDelegate(NULL),
+      m_pCurDelegate(NULL),
+      m_pOuter(pOuter),
+      m_pInterface(NULL),
+      m_iLock(0) {
+  *m_pProperties = properties;
+  m_pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  FXSYS_assert(m_pWidgetMgr != NULL);
+}
+CFWL_WidgetImp::~CFWL_WidgetImp() {
+  if (m_pPrivateData) {
+    delete m_pPrivateData;
+    m_pPrivateData = NULL;
+  }
+  if (m_pProperties) {
+    delete m_pProperties;
+    m_pProperties = NULL;
+  }
+}
+FX_BOOL CFWL_WidgetImp::IsEnabled() const {
+  return (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) == 0;
+}
+FX_BOOL CFWL_WidgetImp::IsVisible() const {
+  return (m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) == 0;
+}
+FX_BOOL CFWL_WidgetImp::IsActive() const {
+  return (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) == 0;
+}
+FX_BOOL CFWL_WidgetImp::IsOverLapper() const {
+  return (m_pProperties->m_dwStyles & FWL_WGTSTYLE_WindowTypeMask) ==
+         FWL_WGTSTYLE_OverLapper;
+}
+FX_BOOL CFWL_WidgetImp::IsPopup() const {
+  return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Popup);
+}
+FX_BOOL CFWL_WidgetImp::IsChild() const {
+  return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Child);
+}
+FX_BOOL CFWL_WidgetImp::IsLocked() const {
+  return m_iLock > 0;
+}
+FX_BOOL CFWL_WidgetImp::IsOffscreen() const {
+  return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Offscreen);
+}
+FX_BOOL CFWL_WidgetImp::HasBorder() const {
+  return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_Border);
+}
+FX_BOOL CFWL_WidgetImp::HasEdge() const {
+  return !!(m_pProperties->m_dwStyles & FWL_WGTSTYLE_EdgeMask);
+}
+void CFWL_WidgetImp::GetEdgeRect(CFX_RectF& rtEdge) {
+  rtEdge = m_pProperties->m_rtWidget;
+  rtEdge.left = rtEdge.top = 0;
+  if (HasBorder()) {
+    FX_FLOAT fCX = GetBorderSize();
+    FX_FLOAT fCY = GetBorderSize(FALSE);
+    rtEdge.Deflate(fCX, fCY);
+  }
+}
+FX_FLOAT CFWL_WidgetImp::GetBorderSize(FX_BOOL bCX) {
+  FX_FLOAT* pfBorder = static_cast<FX_FLOAT*>(GetThemeCapacity(
+      bCX ? FWL_WGTCAPACITY_CXBorder : FWL_WGTCAPACITY_CYBorder));
+  if (!pfBorder)
+    return 0;
+  return *pfBorder;
+}
+FX_FLOAT CFWL_WidgetImp::GetEdgeWidth() {
+  FX_DWORD dwCapacity = 0;
+  switch (m_pProperties->m_dwStyles & FWL_WGTSTYLE_EdgeMask) {
+    case FWL_WGTSTYLE_EdgeFlat: {
+      dwCapacity = FWL_WGTCAPACITY_EdgeFlat;
+      break;
+    }
+    case FWL_WGTSTYLE_EdgeRaised: {
+      dwCapacity = FWL_WGTCAPACITY_EdgeRaised;
+      break;
+    }
+    case FWL_WGTSTYLE_EdgeSunken: {
+      dwCapacity = FWL_WGTCAPACITY_EdgeSunken;
+      break;
+    }
+  }
+  if (dwCapacity > 0) {
+    FX_FLOAT* fRet = static_cast<FX_FLOAT*>(GetThemeCapacity(dwCapacity));
+    return fRet ? *fRet : 0;
+  }
+  return 0;
+}
+void CFWL_WidgetImp::GetRelativeRect(CFX_RectF& rect) {
+  rect = m_pProperties->m_rtWidget;
+  rect.left = rect.top = 0;
+}
+void* CFWL_WidgetImp::GetThemeCapacity(FX_DWORD dwCapacity) {
+  IFWL_ThemeProvider* pTheme = GetAvailableTheme();
+  if (!pTheme)
+    return NULL;
+  CFWL_ThemePart part;
+  part.m_pWidget = m_pInterface;
+  return pTheme->GetCapacity(&part, dwCapacity);
+}
+IFWL_ThemeProvider* CFWL_WidgetImp::GetAvailableTheme() {
+  if (m_pProperties->m_pThemeProvider) {
+    return m_pProperties->m_pThemeProvider;
+  }
+  IFWL_Widget* pUp = m_pInterface;
+  do {
+    FWL_WGTRELATION relation = (pUp->GetStyles() & FWL_WGTSTYLE_Popup)
+                                   ? FWL_WGTRELATION_Owner
+                                   : FWL_WGTRELATION_Parent;
+    pUp = m_pWidgetMgr->GetWidget(pUp, relation);
+    if (pUp) {
+      IFWL_ThemeProvider* pRet = pUp->GetThemeProvider();
+      if (pRet && pRet->IsValidWidget(m_pInterface)) {
+        return pRet;
+      }
+    }
+  } while (pUp);
+  return FWL_GetApp()->GetThemeProvider();
+}
+CFWL_WidgetImp* CFWL_WidgetImp::GetRootOuter() {
+  IFWL_Widget* pRet = m_pOuter;
+  if (!pRet)
+    return nullptr;
+  while (IFWL_Widget* pOuter = pRet->GetOuter()) {
+    pRet = pOuter;
+  }
+  return static_cast<CFWL_WidgetImp*>(pRet->GetImpl());
+}
+#define FWL_WGT_CalcHeight 2048
+#define FWL_WGT_CalcWidth 2048
+#define FWL_WGT_CalcMultiLineDefWidth 120.0f
+CFX_SizeF CFWL_WidgetImp::CalcTextSize(const CFX_WideString& wsText,
+                                       IFWL_ThemeProvider* pTheme,
+                                       FX_BOOL bMultiLine,
+                                       int32_t iLineWidth) {
+  if (!pTheme)
+    return CFX_SizeF();
+
+  CFWL_ThemeText calPart;
+  calPart.m_pWidget = m_pInterface;
+  calPart.m_wsText = wsText;
+  calPart.m_dwTTOStyles =
+      bMultiLine ? FDE_TTOSTYLE_LineWrap : FDE_TTOSTYLE_SingleLine;
+  calPart.m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
+  CFX_RectF rect;
+  FX_FLOAT fWidth = bMultiLine
+                        ? (iLineWidth > 0 ? (FX_FLOAT)iLineWidth
+                                          : FWL_WGT_CalcMultiLineDefWidth)
+                        : FWL_WGT_CalcWidth;
+  rect.Set(0, 0, fWidth, FWL_WGT_CalcHeight);
+  pTheme->CalcTextRect(&calPart, rect);
+  return CFX_SizeF(rect.width, rect.height);
+}
+void CFWL_WidgetImp::CalcTextRect(const CFX_WideString& wsText,
+                                  IFWL_ThemeProvider* pTheme,
+                                  FX_DWORD dwTTOStyles,
+                                  int32_t iTTOAlign,
+                                  CFX_RectF& rect) {
+  CFWL_ThemeText calPart;
+  calPart.m_pWidget = m_pInterface;
+  calPart.m_wsText = wsText;
+  calPart.m_dwTTOStyles = dwTTOStyles;
+  calPart.m_iTTOAlign = iTTOAlign;
+  pTheme->CalcTextRect(&calPart, rect);
+}
+void CFWL_WidgetImp::SetFocus(FX_BOOL bFocus) {
+  if (m_pWidgetMgr->IsFormDisabled())
+    return;
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  if (!pDriver)
+    return;
+  IFWL_Widget* curFocus = pDriver->GetFocus();
+  if (bFocus && curFocus != m_pInterface) {
+    pDriver->SetFocus(m_pInterface);
+  } else if (!bFocus && curFocus == m_pInterface) {
+    pDriver->SetFocus(NULL);
+  }
+}
+void CFWL_WidgetImp::SetGrab(FX_BOOL bSet) {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  pDriver->SetGrab(m_pInterface, bSet);
+}
+FX_BOOL CFWL_WidgetImp::GetPopupPos(FX_FLOAT fMinHeight,
+                                    FX_FLOAT fMaxHeight,
+                                    const CFX_RectF& rtAnchor,
+                                    CFX_RectF& rtPopup) {
+  if (GetClassID() == FWL_CLASSHASH_Menu) {
+    return GetPopupPosMenu(fMinHeight, fMaxHeight, rtAnchor, rtPopup);
+  } else {
+    if (GetClassID() == FWL_CLASSHASH_ComboBox) {
+      if (m_pWidgetMgr->IsFormDisabled()) {
+        return m_pWidgetMgr->GetAdapterPopupPos(m_pInterface, fMinHeight,
+                                                fMaxHeight, rtAnchor, rtPopup);
+      } else {
+        return GetPopupPosComboBox(fMinHeight, fMaxHeight, rtAnchor, rtPopup);
+      }
+    } else if (GetClassID() == FWL_CLASSHASH_DateTimePicker &&
+               m_pWidgetMgr->IsFormDisabled()) {
+      return m_pWidgetMgr->GetAdapterPopupPos(m_pInterface, fMinHeight,
+                                              fMaxHeight, rtAnchor, rtPopup);
+    } else {
+      return GetPopupPosGeneral(fMinHeight, fMaxHeight, rtAnchor, rtPopup);
+    }
+  }
+  return FALSE;
+}
+FX_BOOL CFWL_WidgetImp::GetPopupPosMenu(FX_FLOAT fMinHeight,
+                                        FX_FLOAT fMaxHeight,
+                                        const CFX_RectF& rtAnchor,
+                                        CFX_RectF& rtPopup) {
+  FX_FLOAT fx = 0;
+  FX_FLOAT fy = 0;
+  FX_FLOAT fScreenWidth = 0;
+  FX_FLOAT fScreenHeight = 0;
+  GetScreenSize(fScreenWidth, fScreenHeight);
+  if (GetStylesEx() & FWL_STYLEEXT_MNU_Vert) {
+    FX_BOOL bLeft = m_pProperties->m_rtWidget.left < 0;
+    FX_FLOAT fRight = rtAnchor.right() + rtPopup.width;
+    TransformTo(NULL, fx, fy);
+    if (fRight + fx > fScreenWidth || bLeft) {
+      rtPopup.Set(rtAnchor.left - rtPopup.width, rtAnchor.top, rtPopup.width,
+                  rtPopup.height);
+    } else {
+      rtPopup.Set(rtAnchor.right(), rtAnchor.top, rtPopup.width,
+                  rtPopup.height);
+    }
+  } else {
+    FX_FLOAT fBottom = rtAnchor.bottom() + rtPopup.height;
+    TransformTo(NULL, fx, fy);
+    if (fBottom + fy > fScreenHeight) {
+      rtPopup.Set(rtAnchor.left, rtAnchor.top - rtPopup.height, rtPopup.width,
+                  rtPopup.height);
+    } else {
+      rtPopup.Set(rtAnchor.left, rtAnchor.bottom(), rtPopup.width,
+                  rtPopup.height);
+    }
+  }
+  rtPopup.Offset(fx, fy);
+  return TRUE;
+}
+FX_BOOL CFWL_WidgetImp::GetPopupPosComboBox(FX_FLOAT fMinHeight,
+                                            FX_FLOAT fMaxHeight,
+                                            const CFX_RectF& rtAnchor,
+                                            CFX_RectF& rtPopup) {
+  FX_FLOAT fx = 0;
+  FX_FLOAT fy = 0;
+  FX_FLOAT fScreenWidth = 0;
+  FX_FLOAT fScreenHeight = 0;
+  GetScreenSize(fScreenWidth, fScreenHeight);
+  FX_FLOAT fPopHeight = rtPopup.height;
+  if (rtPopup.height > fMaxHeight) {
+    fPopHeight = fMaxHeight;
+  } else if (rtPopup.height < fMinHeight) {
+    fPopHeight = fMinHeight;
+  }
+  FX_FLOAT fWidth = std::max(rtAnchor.width, rtPopup.width);
+  FX_FLOAT fBottom = rtAnchor.bottom() + fPopHeight;
+  TransformTo(NULL, fx, fy);
+  if (fBottom + fy > fScreenHeight) {
+    rtPopup.Set(rtAnchor.left, rtAnchor.top - fPopHeight, fWidth, fPopHeight);
+  } else {
+    rtPopup.Set(rtAnchor.left, rtAnchor.bottom(), fWidth, fPopHeight);
+  }
+  rtPopup.Offset(fx, fy);
+  return TRUE;
+}
+FX_BOOL CFWL_WidgetImp::GetPopupPosGeneral(FX_FLOAT fMinHeight,
+                                           FX_FLOAT fMaxHeight,
+                                           const CFX_RectF& rtAnchor,
+                                           CFX_RectF& rtPopup) {
+  FX_FLOAT fx = 0;
+  FX_FLOAT fy = 0;
+  FX_FLOAT fScreenWidth = 0;
+  FX_FLOAT fScreenHeight = 0;
+  GetScreenSize(fScreenWidth, fScreenHeight);
+  TransformTo(NULL, fx, fy);
+  if (rtAnchor.bottom() + fy > fScreenHeight) {
+    rtPopup.Set(rtAnchor.left, rtAnchor.top - rtPopup.height, rtPopup.width,
+                rtPopup.height);
+  } else {
+    rtPopup.Set(rtAnchor.left, rtAnchor.bottom(), rtPopup.width,
+                rtPopup.height);
+  }
+  rtPopup.Offset(fx, fy);
+  return TRUE;
+}
+FX_BOOL CFWL_WidgetImp::GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy) {
+  return FALSE;
+}
+void CFWL_WidgetImp::RegisterEventTarget(IFWL_Widget* pEventSource,
+                                         FX_DWORD dwFilter) {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  IFWL_NoteDriver* pNoteDriver = pThread->GetNoteDriver();
+  if (!pNoteDriver)
+    return;
+  pNoteDriver->RegisterEventTarget(m_pInterface, pEventSource, dwFilter);
+}
+void CFWL_WidgetImp::UnregisterEventTarget() {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  IFWL_NoteDriver* pNoteDriver = pThread->GetNoteDriver();
+  if (!pNoteDriver)
+    return;
+  pNoteDriver->UnregisterEventTarget(m_pInterface);
+}
+void CFWL_WidgetImp::DispatchKeyEvent(CFWL_MsgKey* pNote) {
+  if (!pNote)
+    return;
+  CFWL_EvtKey* pEvent = new CFWL_EvtKey;
+  pEvent->m_pSrcTarget = m_pInterface;
+  pEvent->m_dwCmd = pNote->m_dwCmd;
+  pEvent->m_dwKeyCode = pNote->m_dwKeyCode;
+  pEvent->m_dwFlags = pNote->m_dwFlags;
+  DispatchEvent(pEvent);
+  pEvent->Release();
+}
+void CFWL_WidgetImp::DispatchEvent(CFWL_Event* pEvent) {
+  if (m_pOuter) {
+    IFWL_WidgetDelegate* pDelegate = m_pOuter->SetDelegate(NULL);
+    pDelegate->OnProcessEvent(pEvent);
+    return;
+  }
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  IFWL_NoteDriver* pNoteDriver = pThread->GetNoteDriver();
+  if (!pNoteDriver)
+    return;
+  pNoteDriver->SendNote(pEvent);
+}
+void CFWL_WidgetImp::Repaint(const CFX_RectF* pRect) {
+  if (pRect) {
+    m_pWidgetMgr->RepaintWidget(m_pInterface, pRect);
+    return;
+  }
+  CFX_RectF rect;
+  rect = m_pProperties->m_rtWidget;
+  rect.left = rect.top = 0;
+  m_pWidgetMgr->RepaintWidget(m_pInterface, &rect);
+}
+void CFWL_WidgetImp::DrawBackground(CFX_Graphics* pGraphics,
+                                    int32_t iPartBk,
+                                    IFWL_ThemeProvider* pTheme,
+                                    const CFX_Matrix* pMatrix) {
+  CFX_RectF rtRelative;
+  GetRelativeRect(rtRelative);
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = iPartBk;
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix, TRUE);
+  }
+  param.m_rtPart = rtRelative;
+  pTheme->DrawBackground(&param);
+}
+void CFWL_WidgetImp::DrawBorder(CFX_Graphics* pGraphics,
+                                int32_t iPartBorder,
+                                IFWL_ThemeProvider* pTheme,
+                                const CFX_Matrix* pMatrix) {
+  CFX_RectF rtRelative;
+  GetRelativeRect(rtRelative);
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = iPartBorder;
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix, TRUE);
+  }
+  param.m_rtPart = rtRelative;
+  pTheme->DrawBackground(&param);
+}
+void CFWL_WidgetImp::DrawEdge(CFX_Graphics* pGraphics,
+                              int32_t iPartEdge,
+                              IFWL_ThemeProvider* pTheme,
+                              const CFX_Matrix* pMatrix) {
+  CFX_RectF rtEdge;
+  GetEdgeRect(rtEdge);
+  CFWL_ThemeBackground param;
+  param.m_pWidget = m_pInterface;
+  param.m_iPart = iPartEdge;
+  param.m_pGraphics = pGraphics;
+  if (pMatrix) {
+    param.m_matrix.Concat(*pMatrix, TRUE);
+  }
+  param.m_rtPart = rtEdge;
+  pTheme->DrawBackground(&param);
+}
+void CFWL_WidgetImp::NotifyDriver() {
+  IFWL_NoteThread* pThread = GetOwnerThread();
+  if (!pThread)
+    return;
+  CFWL_NoteDriver* pDriver =
+      static_cast<CFWL_NoteDriver*>(pThread->GetNoteDriver());
+  if (!pDriver)
+    return;
+  pDriver->NotifyTargetDestroy(m_pInterface);
+}
+CFX_SizeF CFWL_WidgetImp::GetOffsetFromParent(IFWL_Widget* pParent) {
+  if (pParent == GetInterface())
+    return CFX_SizeF();
+
+  IFWL_WidgetMgr* pWidgetMgr = FWL_GetWidgetMgr();
+  if (!pWidgetMgr)
+    return CFX_SizeF();
+
+  CFX_SizeF szRet(m_pProperties->m_rtWidget.left,
+                  m_pProperties->m_rtWidget.top);
+
+  IFWL_Widget* pDstWidget = GetParent();
+  while (pDstWidget && pDstWidget != pParent) {
+    CFX_RectF rtDst;
+    pDstWidget->GetWidgetRect(rtDst);
+    szRet += CFX_SizeF(rtDst.left, rtDst.top);
+    pDstWidget = pWidgetMgr->GetWidget(pDstWidget, FWL_WGTRELATION_Parent);
+  }
+  return szRet;
+}
+FX_BOOL CFWL_WidgetImp::IsParent(IFWL_Widget* pParent) {
+  IFWL_Widget* pUpWidget = GetParent();
+  while (pUpWidget) {
+    if (pUpWidget == pParent)
+      return TRUE;
+    pUpWidget = pUpWidget->GetParent();
+  }
+  return FALSE;
+}
+CFWL_WidgetImpDelegate::CFWL_WidgetImpDelegate() {}
+int32_t CFWL_WidgetImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage->m_pDstTarget)
+    return 0;
+  CFWL_WidgetImp* pWidget =
+      static_cast<CFWL_WidgetImp*>(pMessage->m_pDstTarget->GetImpl());
+  FX_DWORD dwMsgCode = pMessage->GetClassID();
+  switch (dwMsgCode) {
+    case FWL_MSGHASH_Mouse: {
+      CFWL_MsgMouse* pMsgMouse = static_cast<CFWL_MsgMouse*>(pMessage);
+      CFWL_EvtMouse evt;
+      evt.m_pSrcTarget = pWidget->m_pInterface;
+      evt.m_pDstTarget = pWidget->m_pInterface;
+      evt.m_dwCmd = pMsgMouse->m_dwCmd;
+      evt.m_dwFlags = pMsgMouse->m_dwFlags;
+      evt.m_fx = pMsgMouse->m_fx;
+      evt.m_fy = pMsgMouse->m_fy;
+      pWidget->DispatchEvent(&evt);
+      break;
+    }
+    case FWL_MSGHASH_MouseWheel: {
+      CFWL_MsgMouseWheel* pMsgMouseWheel =
+          static_cast<CFWL_MsgMouseWheel*>(pMessage);
+      CFWL_EvtMouseWheel evt;
+      evt.m_pSrcTarget = pWidget->m_pInterface;
+      evt.m_pDstTarget = pWidget->m_pInterface;
+      evt.m_dwFlags = pMsgMouseWheel->m_dwFlags;
+      evt.m_fDeltaX = pMsgMouseWheel->m_fDeltaX;
+      evt.m_fDeltaY = pMsgMouseWheel->m_fDeltaY;
+      evt.m_fx = pMsgMouseWheel->m_fx;
+      evt.m_fy = pMsgMouseWheel->m_fy;
+      pWidget->DispatchEvent(&evt);
+      break;
+    }
+    case FWL_MSGHASH_Key: {
+      CFWL_MsgKey* pMsgKey = static_cast<CFWL_MsgKey*>(pMessage);
+      CFWL_EvtKey evt;
+      evt.m_pSrcTarget = pWidget->m_pInterface;
+      evt.m_pDstTarget = pWidget->m_pInterface;
+      evt.m_dwKeyCode = pMsgKey->m_dwKeyCode;
+      evt.m_dwFlags = pMsgKey->m_dwFlags;
+      evt.m_dwCmd = pMsgKey->m_dwCmd;
+      pWidget->DispatchEvent(&evt);
+      break;
+    }
+    case FWL_MSGHASH_SetFocus: {
+      CFWL_MsgSetFocus* pMsgSetFocus = static_cast<CFWL_MsgSetFocus*>(pMessage);
+      CFWL_EvtSetFocus evt;
+      evt.m_pSrcTarget = pMsgSetFocus->m_pDstTarget;
+      evt.m_pDstTarget = pMsgSetFocus->m_pDstTarget;
+      evt.m_pSetFocus = pWidget->m_pInterface;
+      pWidget->DispatchEvent(&evt);
+      break;
+    }
+    case FWL_MSGHASH_KillFocus: {
+      CFWL_MsgKillFocus* pMsgKillFocus =
+          static_cast<CFWL_MsgKillFocus*>(pMessage);
+      CFWL_EvtKillFocus evt;
+      evt.m_pSrcTarget = pMsgKillFocus->m_pDstTarget;
+      evt.m_pDstTarget = pMsgKillFocus->m_pDstTarget;
+      evt.m_pKillFocus = pWidget->m_pInterface;
+      pWidget->DispatchEvent(&evt);
+      break;
+    }
+    default: {}
+  }
+  return 1;
+}
+FWL_ERR CFWL_WidgetImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                             const CFX_Matrix* pMatrix) {
+  CFWL_EvtDraw evt;
+  evt.m_pGraphics = pGraphics;
+  return FWL_ERR_Succeeded;
+}
+class CFWL_CustomImp : public CFWL_WidgetImp {
+ public:
+  CFWL_CustomImp(const CFWL_WidgetImpProperties& properties,
+                 IFWL_Widget* pOuter);
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR SetProxy(IFWL_Proxy* pProxy);
+
+ protected:
+  IFWL_Proxy* m_pProxy;
+};
+CFWL_CustomImp::CFWL_CustomImp(const CFWL_WidgetImpProperties& properties,
+                               IFWL_Widget* pOuter)
+    : CFWL_WidgetImp(properties, pOuter), m_pProxy(NULL) {}
+FWL_ERR CFWL_CustomImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (m_pProxy &&
+      (m_pProxy->GetWidgetRect(rect, bAutoSize) == FWL_ERR_Succeeded)) {
+    return FWL_ERR_Succeeded;
+  }
+  return CFWL_WidgetImp::GetWidgetRect(rect, bAutoSize);
+}
+FWL_ERR CFWL_CustomImp::Update() {
+  if (m_pProxy) {
+    return m_pProxy->Update();
+  }
+  return CFWL_WidgetImp::Update();
+}
+FWL_ERR CFWL_CustomImp::SetProxy(IFWL_Proxy* pProxy) {
+  m_pProxy = pProxy;
+  return FWL_ERR_Succeeded;
+}
+
+// static
+IFWL_Custom* IFWL_Custom::Create(const CFWL_WidgetImpProperties& properties,
+                                 IFWL_Widget* pOuter) {
+  IFWL_Custom* pCustom = new IFWL_Custom;
+  CFWL_CustomImp* pCustomImpl = new CFWL_CustomImp(properties, pOuter);
+  pCustom->SetImpl(pCustomImpl);
+  pCustomImpl->SetInterface(pCustom);
+  return pCustom;
+}
+IFWL_Custom::IFWL_Custom() {}
+FWL_ERR IFWL_Custom::SetProxy(IFWL_Proxy* pProxy) {
+  return static_cast<CFWL_CustomImp*>(GetImpl())->SetProxy(pProxy);
+}
+void FWL_SetWidgetRect(IFWL_Widget* widget, const CFX_RectF& rect) {
+  static_cast<CFWL_WidgetImp*>(widget->GetImpl())->m_pProperties->m_rtWidget =
+      rect;
+}
+void FWL_SetWidgetStates(IFWL_Widget* widget, FX_DWORD dwStates) {
+  static_cast<CFWL_WidgetImp*>(widget->GetImpl())->m_pProperties->m_dwStates =
+      dwStates;
+}
+void FWL_SetWidgetStyles(IFWL_Widget* widget, FX_DWORD dwStyles) {
+  static_cast<CFWL_WidgetImp*>(widget->GetImpl())->m_pProperties->m_dwStyles =
+      dwStyles;
+}
+FWL_ERR FWL_EnabelWidget(IFWL_Widget* widget, FX_BOOL bEnable) {
+  widget->SetStates(FWL_WGTSTATE_Disabled, !bEnable);
+  IFWL_WidgetMgr* widgetMgr = FWL_GetWidgetMgr();
+  IFWL_Widget* child = widgetMgr->GetWidget(widget, FWL_WGTRELATION_FirstChild);
+  while (child) {
+    FWL_EnabelWidget(child, bEnable);
+    child = widgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling);
+  }
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/core/fwl_widgetimp.h b/xfa/fwl/core/fwl_widgetimp.h
new file mode 100644
index 0000000000..0aa7beb2fb
--- /dev/null
+++ b/xfa/fwl/core/fwl_widgetimp.h
@@ -0,0 +1,162 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_WIDGETIMP_H_
+#define XFA_FWL_CORE_FWL_WIDGETIMP_H_
+
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+class CFWL_NoteThreadImp;
+class CFWL_WidgetImpProperties;
+class CFWL_WidgetMgr;
+class IFWL_DataProvider;
+class IFWL_ThemeProvider;
+class IFWL_Widget;
+class IFWL_WidgetDelegate;
+
+class CFWL_WidgetImp : public CFWL_TargetImp {
+ public:
+  virtual FWL_ERR Initialize();
+  virtual FWL_ERR Finalize();
+
+  virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
+  virtual FWL_ERR GetGlobalRect(CFX_RectF& rect);
+  virtual FWL_ERR SetWidgetRect(const CFX_RectF& rect);
+  virtual FWL_ERR GetClientRect(CFX_RectF& rect);
+  virtual IFWL_Widget* GetParent();
+  virtual FWL_ERR SetParent(IFWL_Widget* pParent);
+  virtual IFWL_Widget* GetOwner();
+  virtual FWL_ERR SetOwner(IFWL_Widget* pOwner);
+  virtual IFWL_Widget* GetOuter();
+  virtual FX_DWORD GetStyles();
+  virtual FWL_ERR ModifyStyles(FX_DWORD dwStylesAdded,
+                               FX_DWORD dwStylesRemoved);
+  virtual FX_DWORD GetStylesEx();
+  virtual FWL_ERR ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                 FX_DWORD dwStylesExRemoved);
+  virtual FX_DWORD GetStates();
+  virtual FWL_ERR SetStates(FX_DWORD dwStates, FX_BOOL bSet = TRUE);
+  virtual FWL_ERR SetPrivateData(void* module_id,
+                                 void* pData,
+                                 PD_CALLBACK_FREEDATA callback);
+  virtual void* GetPrivateData(void* module_id);
+  virtual FWL_ERR Update();
+  virtual FWL_ERR LockUpdate();
+  virtual FWL_ERR UnlockUpdate();
+  virtual FX_DWORD HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_ERR TransformTo(IFWL_Widget* pWidget, FX_FLOAT& fx, FX_FLOAT& fy);
+  virtual FWL_ERR TransformTo(IFWL_Widget* pWidget, CFX_RectF& rt);
+  virtual FWL_ERR GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal = FALSE);
+  virtual FWL_ERR SetMatrix(const CFX_Matrix& matrix);
+  virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                             const CFX_Matrix* pMatrix = NULL);
+  virtual IFWL_ThemeProvider* GetThemeProvider();
+  virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pThemeProvider);
+  virtual FWL_ERR SetDataProvider(IFWL_DataProvider* pDataProvider);
+  virtual IFWL_WidgetDelegate* SetDelegate(IFWL_WidgetDelegate* pDelegate);
+  virtual IFWL_NoteThread* GetOwnerThread() const;
+  FWL_ERR SetOwnerThread(CFWL_NoteThreadImp* pOwnerThread);
+  IFWL_Widget* GetInterface() const;
+  void SetInterface(IFWL_Widget* pInterface);
+  CFX_SizeF GetOffsetFromParent(IFWL_Widget* pParent);
+
+ protected:
+  CFWL_WidgetImp(const CFWL_WidgetImpProperties& properties,
+                 IFWL_Widget* pOuter);
+  virtual ~CFWL_WidgetImp();
+  FX_BOOL IsEnabled() const;
+  FX_BOOL IsVisible() const;
+  FX_BOOL IsActive() const;
+  FX_BOOL IsOverLapper() const;
+  FX_BOOL IsPopup() const;
+  FX_BOOL IsChild() const;
+  FX_BOOL IsLocked() const;
+  FX_BOOL IsOffscreen() const;
+  FX_BOOL HasBorder() const;
+  FX_BOOL HasEdge() const;
+  void GetEdgeRect(CFX_RectF& rtEdge);
+  FX_FLOAT GetBorderSize(FX_BOOL bCX = TRUE);
+  FX_FLOAT GetEdgeWidth();
+  void GetRelativeRect(CFX_RectF& rect);
+  void* GetThemeCapacity(FX_DWORD dwCapacity);
+  IFWL_ThemeProvider* GetAvailableTheme();
+  CFWL_WidgetImp* GetRootOuter();
+  CFX_SizeF CalcTextSize(const CFX_WideString& wsText,
+                         IFWL_ThemeProvider* pTheme,
+                         FX_BOOL bMultiLine = FALSE,
+                         int32_t iLineWidth = -1);
+  void CalcTextRect(const CFX_WideString& wsText,
+                    IFWL_ThemeProvider* pTheme,
+                    FX_DWORD dwTTOStyles,
+                    int32_t iTTOAlign,
+                    CFX_RectF& rect);
+  void SetFocus(FX_BOOL bFocus);
+  void SetGrab(FX_BOOL bSet);
+  FX_BOOL GetPopupPos(FX_FLOAT fMinHeight,
+                      FX_FLOAT fMaxHeight,
+                      const CFX_RectF& rtAnchor,
+                      CFX_RectF& rtPopup);
+  FX_BOOL GetPopupPosMenu(FX_FLOAT fMinHeight,
+                          FX_FLOAT fMaxHeight,
+                          const CFX_RectF& rtAnchor,
+                          CFX_RectF& rtPopup);
+  FX_BOOL GetPopupPosComboBox(FX_FLOAT fMinHeight,
+                              FX_FLOAT fMaxHeight,
+                              const CFX_RectF& rtAnchor,
+                              CFX_RectF& rtPopup);
+  FX_BOOL GetPopupPosGeneral(FX_FLOAT fMinHeight,
+                             FX_FLOAT fMaxHeight,
+                             const CFX_RectF& rtAnchor,
+                             CFX_RectF& rtPopup);
+  FX_BOOL GetScreenSize(FX_FLOAT& fx, FX_FLOAT& fy);
+  void RegisterEventTarget(IFWL_Widget* pEventSource = NULL,
+                           FX_DWORD dwFilter = FWL_EVENT_ALL_MASK);
+  void UnregisterEventTarget();
+  void DispatchKeyEvent(CFWL_MsgKey* pNote);
+  void DispatchEvent(CFWL_Event* pEvent);
+  void Repaint(const CFX_RectF* pRect = NULL);
+  void DrawBackground(CFX_Graphics* pGraphics,
+                      int32_t iPartBk,
+                      IFWL_ThemeProvider* pTheme,
+                      const CFX_Matrix* pMatrix = NULL);
+  void DrawBorder(CFX_Graphics* pGraphics,
+                  int32_t iPartBorder,
+                  IFWL_ThemeProvider* pTheme,
+                  const CFX_Matrix* pMatrix = NULL);
+  void DrawEdge(CFX_Graphics* pGraphics,
+                int32_t iPartEdge,
+                IFWL_ThemeProvider* pTheme,
+                const CFX_Matrix* pMatrix = NULL);
+  void NotifyDriver();
+
+  FX_BOOL IsParent(IFWL_Widget* pParent);
+  CFWL_WidgetMgr* m_pWidgetMgr;
+  CFWL_NoteThreadImp* m_pOwnerThread;
+  CFWL_WidgetImpProperties* m_pProperties;
+  CFX_PrivateData* m_pPrivateData;
+  IFWL_WidgetDelegate* m_pDelegate;
+  IFWL_WidgetDelegate* m_pCurDelegate;
+  IFWL_Widget* m_pOuter;
+  IFWL_Widget* m_pInterface;
+  int32_t m_iLock;
+  friend class CFWL_WidgetImpDelegate;
+  friend void FWL_SetWidgetRect(IFWL_Widget* widget, const CFX_RectF& rect);
+  friend void FWL_SetWidgetStates(IFWL_Widget* widget, FX_DWORD dwStates);
+  friend void FWL_SetWidgetStyles(IFWL_Widget* widget, FX_DWORD dwStyles);
+};
+
+class CFWL_WidgetImpDelegate : public IFWL_WidgetDelegate {
+ public:
+  CFWL_WidgetImpDelegate();
+  ~CFWL_WidgetImpDelegate() override {}
+  int32_t OnProcessMessage(CFWL_Message* pMessage) override;
+  FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
+  FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix = NULL) override;
+};
+
+#endif  // XFA_FWL_CORE_FWL_WIDGETIMP_H_
diff --git a/xfa/fwl/core/fwl_widgetmgrimp.cpp b/xfa/fwl/core/fwl_widgetmgrimp.cpp
new file mode 100644
index 0000000000..ab507c221a
--- /dev/null
+++ b/xfa/fwl/core/fwl_widgetmgrimp.cpp
@@ -0,0 +1,1075 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+
+#include "xfa/fwl/core/fwl_appimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/include/fwl/adapter/fwl_adapternative.h"
+#include "xfa/include/fwl/adapter/fwl_adapterwidgetmgr.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_form.h"
+
+FX_BOOL FWL_UseOffscreen(IFWL_Widget* pWidget) {
+#if (_FX_OS_ == _FX_MACOSX_)
+  return FALSE;
+#else
+  return pWidget->GetStyles() & FWL_WGTSTYLE_Offscreen;
+#endif
+}
+IFWL_WidgetMgr* FWL_GetWidgetMgr() {
+  IFWL_App* pApp = FWL_GetApp();
+  if (!pApp)
+    return NULL;
+  return pApp->GetWidgetMgr();
+}
+CFWL_WidgetMgr::CFWL_WidgetMgr(IFWL_AdapterNative* pAdapterNative)
+    : m_dwCapability(0) {
+  m_pDelegate = new CFWL_WidgetMgrDelegate(this);
+  m_pAdapter = pAdapterNative->GetWidgetMgr(m_pDelegate);
+  FXSYS_assert(m_pAdapter);
+  CFWL_WidgetMgrItem* pRoot = new CFWL_WidgetMgrItem;
+  m_mapWidgetItem.SetAt(NULL, pRoot);
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
+  m_rtScreen.Reset();
+#endif
+}
+CFWL_WidgetMgr::~CFWL_WidgetMgr() {
+  FX_POSITION ps = m_mapWidgetItem.GetStartPosition();
+  while (ps) {
+    void* pWidget;
+    CFWL_WidgetMgrItem* pItem;
+    m_mapWidgetItem.GetNextAssoc(ps, pWidget, (void*&)pItem);
+    delete pItem;
+  }
+  m_mapWidgetItem.RemoveAll();
+  if (m_pDelegate) {
+    delete m_pDelegate;
+    m_pDelegate = NULL;
+  }
+}
+int32_t CFWL_WidgetMgr::CountWidgets(IFWL_Widget* pParent) {
+  CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent);
+  return TravelWidgetMgr(pParentItem, NULL, NULL);
+}
+IFWL_Widget* CFWL_WidgetMgr::GetWidget(int32_t nIndex, IFWL_Widget* pParent) {
+  CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent);
+  IFWL_Widget* pWidget = NULL;
+  TravelWidgetMgr(pParentItem, &nIndex, NULL, &pWidget);
+  return pWidget;
+}
+IFWL_Widget* CFWL_WidgetMgr::GetWidget(IFWL_Widget* pWidget,
+                                       FWL_WGTRELATION eRelation) {
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  if (!pItem) {
+    return NULL;
+  }
+  IFWL_Widget* pRet = NULL;
+  switch (eRelation) {
+    case FWL_WGTRELATION_Parent: {
+      pRet = pItem->pParent ? pItem->pParent->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_Owner: {
+      pRet = pItem->pOwner ? pItem->pOwner->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_FirstSibling: {
+      pItem = pItem->pPrevious;
+      while (pItem && pItem->pPrevious) {
+        pItem = pItem->pPrevious;
+      }
+      pRet = pItem ? pItem->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_PriorSibling: {
+      pRet = pItem->pPrevious ? pItem->pPrevious->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_NextSibling: {
+      pRet = pItem->pNext ? pItem->pNext->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_LastSibling: {
+      pItem = pItem->pNext;
+      while (pItem && pItem->pNext) {
+        pItem = pItem->pNext;
+      }
+      pRet = pItem ? pItem->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_FirstChild: {
+      pRet = pItem->pChild ? pItem->pChild->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_LastChild: {
+      pItem = pItem->pChild;
+      while (pItem && pItem->pNext) {
+        pItem = pItem->pNext;
+      }
+      pRet = pItem ? pItem->pWidget : NULL;
+      break;
+    }
+    case FWL_WGTRELATION_SystemForm: {
+      while (pItem) {
+        if (IsAbleNative(pItem->pWidget)) {
+          pRet = pItem->pWidget;
+          break;
+        }
+        pItem = pItem->pParent;
+      }
+      break;
+    }
+    default: {}
+  }
+  return pRet;
+}
+int32_t CFWL_WidgetMgr::GetWidgetIndex(IFWL_Widget* pWidget) {
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  if (!pItem)
+    return -1;
+  return TravelWidgetMgr(pItem->pParent, NULL, pItem);
+}
+FX_BOOL CFWL_WidgetMgr::SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex) {
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  if (!pItem)
+    return FALSE;
+  if (!pItem->pParent)
+    return FALSE;
+  CFWL_WidgetMgrItem* pChild = pItem->pParent->pChild;
+  int32_t i = 0;
+  while (pChild) {
+    if (pChild == pItem) {
+      if (i == nIndex) {
+        return TRUE;
+      }
+      if (pChild->pPrevious) {
+        pChild->pPrevious->pNext = pChild->pNext;
+      }
+      if (pChild->pNext) {
+        pChild->pNext->pPrevious = pChild->pPrevious;
+      }
+      if (pItem->pParent->pChild == pItem) {
+        pItem->pParent->pChild = pItem->pNext;
+      }
+      pItem->pNext = NULL;
+      pItem->pPrevious = NULL;
+      break;
+    }
+    if (!pChild->pNext) {
+      break;
+    }
+    pChild = pChild->pNext;
+    ++i;
+  }
+  pChild = pItem->pParent->pChild;
+  if (pChild) {
+    if (nIndex < 0) {
+      while (pChild->pNext) {
+        pChild = pChild->pNext;
+      }
+      pChild->pNext = pItem;
+      pItem->pPrevious = pChild;
+      pItem->pNext = NULL;
+      return TRUE;
+    }
+    i = 0;
+    while (i < nIndex && pChild->pNext) {
+      pChild = pChild->pNext;
+      ++i;
+    }
+    if (!pChild->pNext) {
+      pChild->pNext = pItem;
+      pItem->pPrevious = pChild;
+      pItem->pNext = NULL;
+      return TRUE;
+    }
+    if (pChild->pPrevious) {
+      pItem->pPrevious = pChild->pPrevious;
+      pChild->pPrevious->pNext = pItem;
+    }
+    pChild->pPrevious = pItem;
+    pItem->pNext = pChild;
+    if (pItem->pParent->pChild == pChild) {
+      pItem->pParent->pChild = pItem;
+    }
+  } else {
+    pItem->pParent->pChild = pItem;
+    pItem->pPrevious = NULL;
+    pItem->pNext = NULL;
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_WidgetMgr::RepaintWidget(IFWL_Widget* pWidget,
+                                      const CFX_RectF* pRect) {
+  if (!m_pAdapter)
+    return FWL_ERR_Indefinite;
+  IFWL_Widget* pNative = pWidget;
+  CFX_RectF rect(*pRect);
+  if (IsFormDisabled()) {
+    IFWL_Widget* pOuter = pWidget->GetOuter();
+    while (pOuter) {
+      CFX_RectF rtTemp;
+      pNative->GetWidgetRect(rtTemp);
+      rect.left += rtTemp.left;
+      rect.top += rtTemp.top;
+      pNative = pOuter;
+      pOuter = pOuter->GetOuter();
+    }
+  } else if (!IsAbleNative(pWidget)) {
+    pNative = GetWidget(pWidget, FWL_WGTRELATION_SystemForm);
+    if (!pNative)
+      return FWL_ERR_Indefinite;
+    pWidget->TransformTo(pNative, rect.left, rect.top);
+  }
+  AddRedrawCounts(pNative);
+  return m_pAdapter->RepaintWidget(pNative, &rect);
+}
+void CFWL_WidgetMgr::AddWidget(IFWL_Widget* pWidget) {
+  CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(NULL);
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  if (!pItem) {
+    pItem = new CFWL_WidgetMgrItem;
+    pItem->pWidget = pWidget;
+    m_mapWidgetItem.SetAt(pWidget, pItem);
+  }
+  if (pItem->pParent && pItem->pParent != pParentItem) {
+    if (pItem->pPrevious) {
+      pItem->pPrevious->pNext = pItem->pNext;
+    }
+    if (pItem->pNext) {
+      pItem->pNext->pPrevious = pItem->pPrevious;
+    }
+    if (pItem->pParent->pChild == pItem) {
+      pItem->pParent->pChild = pItem->pNext;
+    }
+  }
+  pItem->pParent = pParentItem;
+  SetWidgetIndex(pWidget, -1);
+}
+void CFWL_WidgetMgr::InsertWidget(IFWL_Widget* pParent,
+                                  IFWL_Widget* pChild,
+                                  int32_t nIndex) {
+  CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent);
+  if (!pParentItem) {
+    pParentItem = new CFWL_WidgetMgrItem;
+    pParentItem->pWidget = pParent;
+    m_mapWidgetItem.SetAt(pParent, pParentItem);
+    CFWL_WidgetMgrItem* pRoot = GetWidgetMgrItem(NULL);
+    pParentItem->pParent = pRoot;
+    SetWidgetIndex(pParent, -1);
+  }
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pChild);
+  if (!pItem) {
+    pItem = new CFWL_WidgetMgrItem;
+    pItem->pWidget = pChild;
+    m_mapWidgetItem.SetAt(pChild, pItem);
+  }
+  if (pItem->pParent && pItem->pParent != pParentItem) {
+    if (pItem->pPrevious) {
+      pItem->pPrevious->pNext = pItem->pNext;
+    }
+    if (pItem->pNext) {
+      pItem->pNext->pPrevious = pItem->pPrevious;
+    }
+    if (pItem->pParent->pChild == pItem) {
+      pItem->pParent->pChild = pItem->pNext;
+    }
+  }
+  pItem->pParent = pParentItem;
+  SetWidgetIndex(pChild, nIndex);
+}
+void CFWL_WidgetMgr::RemoveWidget(IFWL_Widget* pWidget) {
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  if (!pItem) {
+    return;
+  }
+  if (pItem->pPrevious) {
+    pItem->pPrevious->pNext = pItem->pNext;
+  }
+  if (pItem->pNext) {
+    pItem->pNext->pPrevious = pItem->pPrevious;
+  }
+  if (pItem->pParent && pItem->pParent->pChild == pItem) {
+    pItem->pParent->pChild = pItem->pNext;
+  }
+  CFWL_WidgetMgrItem* pChild = pItem->pChild;
+  while (pChild) {
+    CFWL_WidgetMgrItem* pNext = pChild->pNext;
+    RemoveWidget(pChild->pWidget);
+    pChild = pNext;
+  }
+  m_mapWidgetItem.RemoveKey(pWidget);
+  delete pItem;
+}
+void CFWL_WidgetMgr::SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned) {
+  CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pOwner);
+  if (!pParentItem) {
+    pParentItem = new CFWL_WidgetMgrItem;
+    pParentItem->pWidget = pOwner;
+    m_mapWidgetItem.SetAt(pOwner, pParentItem);
+    CFWL_WidgetMgrItem* pRoot = GetWidgetMgrItem(NULL);
+    pParentItem->pParent = pRoot;
+    SetWidgetIndex(pOwner, -1);
+  }
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pOwned);
+  if (!pItem) {
+    pItem = new CFWL_WidgetMgrItem;
+    pItem->pWidget = pOwned;
+    m_mapWidgetItem.SetAt(pOwned, pItem);
+  }
+  pItem->pOwner = pParentItem;
+}
+void CFWL_WidgetMgr::SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild) {
+  CFWL_WidgetMgrItem* pParentItem = GetWidgetMgrItem(pParent);
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pChild);
+  if (!pItem)
+    return;
+  if (pItem->pParent && pItem->pParent != pParentItem) {
+    if (pItem->pPrevious) {
+      pItem->pPrevious->pNext = pItem->pNext;
+    }
+    if (pItem->pNext) {
+      pItem->pNext->pPrevious = pItem->pPrevious;
+    }
+    if (pItem->pParent->pChild == pItem) {
+      pItem->pParent->pChild = pItem->pNext;
+    }
+    pItem->pNext = NULL;
+    pItem->pPrevious = NULL;
+  }
+  pItem->pParent = pParentItem;
+  SetWidgetIndex(pChild, -1);
+  if (!m_pAdapter)
+    return;
+  m_pAdapter->SetParentWidget(pChild, pParent);
+}
+FX_BOOL CFWL_WidgetMgr::IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent) {
+  IFWL_Widget* pTemp = pChild;
+  do {
+    if (pTemp == pParent) {
+      return TRUE;
+    }
+    pTemp = GetWidget(pTemp, FWL_WGTRELATION_Parent);
+  } while (pTemp);
+  return FALSE;
+}
+FWL_ERR CFWL_WidgetMgr::CreateWidget_Native(IFWL_Widget* pWidget) {
+  if (!IsAbleNative(pWidget)) {
+    return FWL_ERR_Succeeded;
+  }
+  return m_pAdapter->CreateWidget(pWidget, pWidget->GetOwner());
+}
+FWL_ERR CFWL_WidgetMgr::DestroyWidget_Native(IFWL_Widget* pWidget) {
+  if (!IsAbleNative(pWidget)) {
+    return FWL_ERR_Succeeded;
+  }
+  return m_pAdapter->DestroyWidget(pWidget);
+}
+FWL_ERR CFWL_WidgetMgr::GetWidgetRect_Native(IFWL_Widget* pWidget,
+                                             CFX_RectF& rect) {
+  if (!IsAbleNative(pWidget)) {
+    return FWL_ERR_Succeeded;
+  }
+  return m_pAdapter->GetWidgetRect(pWidget, rect);
+}
+FWL_ERR CFWL_WidgetMgr::SetWidgetRect_Native(IFWL_Widget* pWidget,
+                                             const CFX_RectF& rect) {
+  if (FWL_UseOffscreen(pWidget)) {
+    CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+    pItem->iRedrawCounter++;
+    if (pItem->pOffscreen) {
+      CFX_RenderDevice* pDevice = pItem->pOffscreen->GetRenderDevice();
+      if (pDevice && pDevice->GetBitmap()) {
+        CFX_DIBitmap* pBitmap = pDevice->GetBitmap();
+        if (pBitmap->GetWidth() - rect.width > 1 ||
+            pBitmap->GetHeight() - rect.height > 1) {
+          delete pItem->pOffscreen;
+          pItem->pOffscreen = NULL;
+        }
+      }
+    }
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
+    pItem->bOutsideChanged = !m_rtScreen.Contains(rect);
+#endif
+  }
+  return m_pAdapter->SetWidgetRect(pWidget, rect);
+}
+FWL_ERR CFWL_WidgetMgr::SetWidgetPosition_Native(IFWL_Widget* pWidget,
+                                                 FX_FLOAT fx,
+                                                 FX_FLOAT fy) {
+  return m_pAdapter->SetWidgetPosition(pWidget, fx, fy);
+}
+FWL_ERR CFWL_WidgetMgr::SetWidgetIcon_Native(IFWL_Widget* pWidget,
+                                             const CFX_DIBitmap* pIcon,
+                                             FX_BOOL bBig) {
+  return m_pAdapter->SetWidgetIcon(pWidget, pIcon, bBig);
+}
+FWL_ERR CFWL_WidgetMgr::SetWidgetCaption_Native(
+    IFWL_Widget* pWidget,
+    const CFX_WideStringC& wsCaption) {
+  return m_pAdapter->SetWidgetCaption(pWidget, wsCaption);
+}
+FWL_ERR CFWL_WidgetMgr::SetBorderRegion_Native(IFWL_Widget* pWidget,
+                                               CFX_Path* pPath) {
+  return m_pAdapter->SetBorderRegion(pWidget, pPath);
+}
+FWL_ERR CFWL_WidgetMgr::ShowWidget_Native(IFWL_Widget* pWidget) {
+  return m_pAdapter->ShowWidget(pWidget);
+}
+FWL_ERR CFWL_WidgetMgr::HideWidget_Native(IFWL_Widget* pWidget) {
+  return m_pAdapter->HideWidget(pWidget);
+}
+FWL_ERR CFWL_WidgetMgr::SetNormal_Native(IFWL_Widget* pWidget) {
+  return m_pAdapter->SetNormal(pWidget);
+}
+FWL_ERR CFWL_WidgetMgr::SetMaximize_Native(IFWL_Widget* pWidget) {
+  return m_pAdapter->SetMaximize(pWidget);
+}
+FWL_ERR CFWL_WidgetMgr::SetMinimize_Native(IFWL_Widget* pWidget) {
+  return m_pAdapter->SetMinimize(pWidget);
+}
+FX_BOOL CFWL_WidgetMgr::CheckMessage_Native() {
+  return m_pAdapter->CheckMessage();
+}
+FWL_ERR CFWL_WidgetMgr::DispatchMessage_Native() {
+  return m_pAdapter->DispatchMessage();
+}
+FX_BOOL CFWL_WidgetMgr::IsIdleMessage_Native() {
+  return m_pAdapter->IsIdleMessage();
+}
+FWL_ERR CFWL_WidgetMgr::Exit_Native(int32_t iExitCode) {
+  return m_pAdapter->Exit(iExitCode);
+}
+FWL_ERR CFWL_WidgetMgr::CreateWidgetWithNativeId_Native(IFWL_Widget* pWidget,
+                                                        void* vp) {
+  return m_pAdapter->CreateWidgetWithNativeId(pWidget, vp);
+}
+IFWL_Widget* CFWL_WidgetMgr::GetWidgetAtPoint(IFWL_Widget* parent,
+                                              FX_FLOAT x,
+                                              FX_FLOAT y) {
+  if (!parent)
+    return NULL;
+  FX_FLOAT x1;
+  FX_FLOAT y1;
+  IFWL_Widget* child = GetWidget(parent, FWL_WGTRELATION_LastChild);
+  while (child) {
+    if ((child->GetStates() & FWL_WGTSTATE_Invisible) == 0) {
+      x1 = x;
+      y1 = y;
+      CFX_Matrix matrixOnParent;
+      child->GetMatrix(matrixOnParent);
+      CFX_Matrix m;
+      m.SetIdentity();
+      m.SetReverse(matrixOnParent);
+      m.TransformPoint(x1, y1);
+      CFX_RectF bounds;
+      child->GetWidgetRect(bounds);
+      if (bounds.Contains(x1, y1)) {
+        x1 -= bounds.left;
+        y1 -= bounds.top;
+        return GetWidgetAtPoint(child, x1, y1);
+      }
+    }
+    child = GetWidget(child, FWL_WGTRELATION_PriorSibling);
+  }
+  return parent;
+}
+void CFWL_WidgetMgr::NotifySizeChanged(IFWL_Widget* pForm,
+                                       FX_FLOAT fx,
+                                       FX_FLOAT fy) {
+  if (!FWL_UseOffscreen(pForm)) {
+    return;
+  }
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pForm);
+  if (pItem->pOffscreen) {
+    delete pItem->pOffscreen;
+    pItem->pOffscreen = NULL;
+  }
+}
+IFWL_Widget* CFWL_WidgetMgr::nextTab(IFWL_Widget* parent,
+                                     IFWL_Widget* focus,
+                                     FX_BOOL& bFind) {
+  IFWL_Widget* child =
+      FWL_GetWidgetMgr()->GetWidget(parent, FWL_WGTRELATION_FirstChild);
+  while (child) {
+    if (focus == child) {
+      bFind = TRUE;
+    }
+    if ((child->GetStyles() & FWL_WGTSTYLE_TabStop) &&
+        (!focus || (focus != child && bFind))) {
+      return child;
+    }
+    IFWL_Widget* bRet = nextTab(child, focus, bFind);
+    if (bRet) {
+      return bRet;
+    }
+    child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling);
+  }
+  return NULL;
+}
+int32_t CFWL_WidgetMgr::CountRadioButtonGroup(IFWL_Widget* pFirst) {
+  int32_t iRet = 0;
+  IFWL_Widget* pChild = pFirst;
+  while (pChild) {
+    if ((pChild->GetStyles() & FWL_WGTSTYLE_Group) &&
+        pChild->GetClassID() == 3811304691) {
+      iRet++;
+    }
+    pChild = GetWidget(pChild, FWL_WGTRELATION_NextSibling);
+  }
+  return iRet;
+}
+IFWL_Widget* CFWL_WidgetMgr::GetSiblingRadioButton(IFWL_Widget* pWidget,
+                                                   FX_BOOL bNext) {
+  while ((pWidget = GetWidget(pWidget, bNext ? FWL_WGTRELATION_NextSibling
+                                             : FWL_WGTRELATION_PriorSibling)) !=
+         NULL) {
+    if (pWidget->GetClassID() == 3811304691) {
+      return pWidget;
+    }
+  }
+  return NULL;
+}
+IFWL_Widget* CFWL_WidgetMgr::GetRadioButtonGroupHeader(
+    IFWL_Widget* pRadioButton) {
+  if (pRadioButton->GetStyles() & FWL_WGTSTYLE_Group) {
+    return pRadioButton;
+  }
+  IFWL_Widget* pNext = pRadioButton;
+  while ((pNext = GetSiblingRadioButton(pNext, FALSE)) != NULL) {
+    if (pNext->GetStyles() & FWL_WGTSTYLE_Group) {
+      return pNext;
+    }
+  }
+  pNext = GetWidget(pRadioButton, FWL_WGTRELATION_LastSibling);
+  if ((pNext->GetStyles() & FWL_WGTSTYLE_Group) &&
+      pNext->GetClassID() == 3811304691) {
+    return pNext;
+  }
+  while ((pNext = GetSiblingRadioButton(pNext, FALSE)) && pNext &&
+         pNext != pRadioButton) {
+    if (pNext->GetStyles() & FWL_WGTSTYLE_Group) {
+      return pNext;
+    }
+  }
+  pNext = GetWidget(pRadioButton, FWL_WGTRELATION_FirstSibling);
+  if (pNext && (pNext->GetStyles() == FWL_WGTSTYLE_Group) &&
+      pNext->GetClassID() == 3811304691) {
+    return pNext;
+  }
+  return GetSiblingRadioButton(pNext, TRUE);
+}
+void CFWL_WidgetMgr::GetSameGroupRadioButton(IFWL_Widget* pRadioButton,
+                                             CFX_PtrArray& group) {
+  IFWL_Widget* pFirst = GetWidget(pRadioButton, FWL_WGTRELATION_FirstSibling);
+  if (!pFirst) {
+    pFirst = pRadioButton;
+  }
+  int32_t iGroup = CountRadioButtonGroup(pFirst);
+  if (iGroup < 2) {
+    if (pFirst->GetClassID() == 3811304691) {
+      group.Add(pFirst);
+    }
+    IFWL_Widget* pNext = pFirst;
+    while ((pNext = GetSiblingRadioButton(pNext, TRUE)) != NULL) {
+      group.Add(pNext);
+    }
+    return;
+  }
+  IFWL_Widget* pNext = GetRadioButtonGroupHeader(pRadioButton);
+  do {
+    group.Add(pNext);
+    pNext = GetSiblingRadioButton(pNext, TRUE);
+    if (!pNext) {
+      if (pFirst->GetClassID() == 3811304691) {
+        pNext = pFirst;
+      } else {
+        pNext = GetSiblingRadioButton(pFirst, TRUE);
+      }
+    }
+  } while (pNext && ((pNext->GetStyles() & FWL_WGTSTYLE_Group) == 0));
+}
+IFWL_Widget* CFWL_WidgetMgr::GetDefaultButton(IFWL_Widget* pParent) {
+  if ((pParent->GetClassID() == 3521614244) &&
+      (pParent->GetStates() & (1 << (FWL_WGTSTATE_MAX + 2)))) {
+    return pParent;
+  }
+  IFWL_Widget* child =
+      FWL_GetWidgetMgr()->GetWidget(pParent, FWL_WGTRELATION_FirstChild);
+  while (child) {
+    if ((child->GetClassID() == 3521614244) &&
+        (child->GetStates() & (1 << (FWL_WGTSTATE_MAX + 2)))) {
+      return child;
+    }
+    IFWL_Widget* find = GetDefaultButton(child);
+    if (find) {
+      return find;
+    }
+    child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling);
+  }
+  return NULL;
+}
+void CFWL_WidgetMgr::AddRedrawCounts(IFWL_Widget* pWidget) {
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  (pItem->iRedrawCounter)++;
+}
+void CFWL_WidgetMgr::ResetRedrawCounts(IFWL_Widget* pWidget) {
+  CFWL_WidgetMgrItem* pItem = GetWidgetMgrItem(pWidget);
+  pItem->iRedrawCounter = 0;
+}
+CFWL_WidgetMgrItem* CFWL_WidgetMgr::GetWidgetMgrItem(IFWL_Widget* pWidget) {
+  return static_cast<CFWL_WidgetMgrItem*>(m_mapWidgetItem.GetValueAt(pWidget));
+}
+int32_t CFWL_WidgetMgr::TravelWidgetMgr(CFWL_WidgetMgrItem* pParent,
+                                        int32_t* pIndex,
+                                        CFWL_WidgetMgrItem* pItem,
+                                        IFWL_Widget** pWidget) {
+  if (!pParent) {
+    return 0;
+  }
+  int32_t iCount = 0;
+  CFWL_WidgetMgrItem* pChild = pParent->pChild;
+  while (pChild) {
+    iCount++;
+    if (pIndex) {
+      if (*pIndex == 0) {
+        *pWidget = pChild->pWidget;
+        return iCount;
+      }
+      pIndex--;
+    }
+    if (pItem && pItem == pChild) {
+      return iCount - 1;
+    }
+    pChild = pChild->pNext;
+  }
+  if (pIndex) {
+    return 0;
+  } else if (pItem) {
+    return -1;
+  }
+  return iCount - 1;
+}
+FX_BOOL CFWL_WidgetMgr::IsAbleNative(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  if (!pWidget->IsInstance(FX_WSTRC(FWL_CLASS_Form))) {
+    return FALSE;
+  }
+  FX_DWORD dwStyles = pWidget->GetStyles();
+  return ((dwStyles & FWL_WGTSTYLE_WindowTypeMask) ==
+          FWL_WGTSTYLE_OverLapper) ||
+         (dwStyles & FWL_WGTSTYLE_Popup);
+}
+FX_BOOL CFWL_WidgetMgr::IsThreadEnabled() {
+  return !(m_dwCapability & FWL_WGTMGR_DisableThread);
+}
+FX_BOOL CFWL_WidgetMgr::IsFormDisabled() {
+  return m_dwCapability & FWL_WGTMGR_DisableForm;
+}
+FX_BOOL CFWL_WidgetMgr::GetAdapterPopupPos(IFWL_Widget* pWidget,
+                                           FX_FLOAT fMinHeight,
+                                           FX_FLOAT fMaxHeight,
+                                           const CFX_RectF& rtAnchor,
+                                           CFX_RectF& rtPopup) {
+  IFWL_AdapterWidgetMgr* pSDApapter = GetAdapterWidgetMgr();
+  return pSDApapter->GetPopupPos(pWidget, fMinHeight, fMaxHeight, rtAnchor,
+                                 rtPopup);
+}
+CFWL_WidgetMgrDelegate::CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr)
+    : m_pWidgetMgr(pWidgetMgr) {}
+FWL_ERR CFWL_WidgetMgrDelegate::OnSetCapability(FX_DWORD dwCapability) {
+  m_pWidgetMgr->m_dwCapability = dwCapability;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_WidgetMgrDelegate::OnProcessMessageToForm(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return 0;
+  if (!pMessage->m_pDstTarget)
+    return 0;
+  IFWL_Widget* pDstWidget = pMessage->m_pDstTarget;
+  IFWL_NoteThread* pNoteThread = pDstWidget->GetOwnerThread();
+  if (!pNoteThread)
+    return 0;
+  CFWL_NoteDriver* pNoteDriver =
+      static_cast<CFWL_NoteDriver*>(pNoteThread->GetNoteDriver());
+  if (!pNoteDriver)
+    return 0;
+  if (m_pWidgetMgr->IsThreadEnabled()) {
+    pMessage = static_cast<CFWL_Message*>(pMessage->Clone());
+  }
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    pNoteDriver->ProcessMessage(pMessage);
+  } else {
+    pNoteDriver->QueueMessage(pMessage);
+  }
+#if (_FX_OS_ == _FX_MACOSX_)
+  CFWL_NoteLoop* pTopLoop = pNoteDriver->GetTopLoop();
+  if (pTopLoop) {
+    pNoteDriver->UnqueueMessage(pTopLoop);
+  }
+#endif
+  if (m_pWidgetMgr->IsThreadEnabled()) {
+    pMessage->Release();
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetMgrDelegate::OnDrawWidget(IFWL_Widget* pWidget,
+                                             CFX_Graphics* pGraphics,
+                                             const CFX_Matrix* pMatrix) {
+  if (!pWidget)
+    return FWL_ERR_Indefinite;
+  if (!pGraphics)
+    return FWL_ERR_Indefinite;
+  CFX_Graphics* pTemp = DrawWidgetBefore(pWidget, pGraphics, pMatrix);
+  CFX_RectF clipCopy;
+  pWidget->GetWidgetRect(clipCopy);
+  clipCopy.left = clipCopy.top = 0;
+  if (bUseOffscreenDirect(pWidget)) {
+    DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix);
+    return FWL_ERR_Succeeded;
+  }
+  CFX_RectF clipBounds;
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_) || \
+    (_FX_OS_ == _FX_LINUX_DESKTOP_) || (_FX_OS_ == _FX_ANDROID_)
+  IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(NULL);
+  pDelegate->OnDrawWidget(pTemp, pMatrix);
+  pGraphics->GetClipRect(clipBounds);
+  clipCopy = clipBounds;
+#elif(_FX_OS_ == _FX_MACOSX_)
+  if (m_pWidgetMgr->IsFormDisabled()) {
+    IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(NULL);
+    pDelegate->OnDrawWidget(pTemp, pMatrix);
+    pGraphics->GetClipRect(clipBounds);
+    clipCopy = clipBounds;
+  } else {
+    clipBounds.Set(pMatrix->a, pMatrix->b, pMatrix->c, pMatrix->d);
+    const_cast<CFX_Matrix*>(pMatrix)->SetIdentity();  // FIXME: const cast.
+#ifdef FWL_UseMacSystemBorder
+#else
+#endif
+    {
+      IFWL_WidgetDelegate* pDelegate = pWidget->SetDelegate(NULL);
+      pDelegate->OnDrawWidget(pTemp, pMatrix);
+    }
+  }
+#endif
+  if (!m_pWidgetMgr->IsFormDisabled()) {
+    CFX_RectF rtClient;
+    pWidget->GetClientRect(rtClient);
+    clipBounds.Intersect(rtClient);
+  }
+  if (!clipBounds.IsEmpty()) {
+    DrawChild(pWidget, clipBounds, pTemp, pMatrix);
+  }
+  DrawWidgetAfter(pWidget, pGraphics, clipCopy, pMatrix);
+  m_pWidgetMgr->ResetRedrawCounts(pWidget);
+  return FWL_ERR_Succeeded;
+}
+void CFWL_WidgetMgrDelegate::DrawChild(IFWL_Widget* parent,
+                                       const CFX_RectF& rtClip,
+                                       CFX_Graphics* pGraphics,
+                                       const CFX_Matrix* pMatrix) {
+  if (!parent)
+    return;
+  FX_BOOL bFormDisable = m_pWidgetMgr->IsFormDisabled();
+  IFWL_Widget* pNextChild =
+      m_pWidgetMgr->GetWidget(parent, FWL_WGTRELATION_FirstChild);
+  while (pNextChild) {
+    IFWL_Widget* child = pNextChild;
+    pNextChild = m_pWidgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling);
+    if (child->GetStates() & FWL_WGTSTATE_Invisible) {
+      continue;
+    }
+    CFX_RectF rtWidget;
+    child->GetWidgetRect(rtWidget);
+    if (rtWidget.IsEmpty()) {
+      continue;
+    }
+    CFX_Matrix widgetMatrix;
+    CFX_RectF clipBounds(rtWidget);
+    if (!bFormDisable) {
+      child->GetMatrix(widgetMatrix, TRUE);
+    }
+    if (pMatrix) {
+      widgetMatrix.Concat(*pMatrix);
+    }
+    if (!bFormDisable) {
+      widgetMatrix.TransformPoint(clipBounds.left, clipBounds.top);
+      clipBounds.Intersect(rtClip);
+      if (clipBounds.IsEmpty()) {
+        continue;
+      }
+      pGraphics->SaveGraphState();
+      pGraphics->SetClipRect(clipBounds);
+    }
+    widgetMatrix.Translate(rtWidget.left, rtWidget.top, TRUE);
+    IFWL_WidgetDelegate* pDelegate = child->SetDelegate(NULL);
+    if (pDelegate) {
+      if (m_pWidgetMgr->IsFormDisabled() ||
+          IsNeedRepaint(child, &widgetMatrix, rtClip)) {
+        pDelegate->OnDrawWidget(pGraphics, &widgetMatrix);
+      }
+    }
+    if (!bFormDisable) {
+      pGraphics->RestoreGraphState();
+    }
+    DrawChild(child, clipBounds, pGraphics,
+              bFormDisable ? &widgetMatrix : pMatrix);
+    child = m_pWidgetMgr->GetWidget(child, FWL_WGTRELATION_NextSibling);
+  }
+}
+CFX_Graphics* CFWL_WidgetMgrDelegate::DrawWidgetBefore(
+    IFWL_Widget* pWidget,
+    CFX_Graphics* pGraphics,
+    const CFX_Matrix* pMatrix) {
+  if (!FWL_UseOffscreen(pWidget)) {
+    return pGraphics;
+  }
+  CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget);
+  if (!pItem->pOffscreen) {
+    pItem->pOffscreen = new CFX_Graphics;
+    CFX_RectF rect;
+    pWidget->GetWidgetRect(rect);
+    pItem->pOffscreen->Create((int32_t)rect.width, (int32_t)rect.height,
+                              FXDIB_Argb);
+  }
+  CFX_RectF rect;
+  pGraphics->GetClipRect(rect);
+  pItem->pOffscreen->SetClipRect(rect);
+  return pItem->pOffscreen;
+}
+void CFWL_WidgetMgrDelegate::DrawWidgetAfter(IFWL_Widget* pWidget,
+                                             CFX_Graphics* pGraphics,
+                                             CFX_RectF& rtClip,
+                                             const CFX_Matrix* pMatrix) {
+  if (FWL_UseOffscreen(pWidget)) {
+    CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget);
+    pGraphics->Transfer(pItem->pOffscreen, rtClip.left, rtClip.top, rtClip,
+                        pMatrix);
+#ifdef _WIN32
+    pItem->pOffscreen->ClearClip();
+#endif
+  }
+  CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget);
+  pItem->iRedrawCounter = 0;
+}
+
+#define FWL_NEEDREPAINTHIT_Point 12
+#define FWL_NEEDREPAINTHIT_Piece 3
+struct FWL_NEEDREPAINTHITDATA {
+  CFX_PointF hitPoint;
+  FX_BOOL bNotNeedRepaint;
+  FX_BOOL bNotContainByDirty;
+};
+
+FX_BOOL CFWL_WidgetMgrDelegate::IsNeedRepaint(IFWL_Widget* pWidget,
+                                              CFX_Matrix* pMatrix,
+                                              const CFX_RectF& rtDirty) {
+  CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget);
+  if (pItem && pItem->iRedrawCounter > 0) {
+    pItem->iRedrawCounter = 0;
+    return TRUE;
+  }
+  CFX_RectF rtWidget;
+  pWidget->GetWidgetRect(rtWidget);
+  rtWidget.left = rtWidget.top = 0;
+  pMatrix->TransformRect(rtWidget);
+  if (!rtWidget.IntersectWith(rtDirty)) {
+    return FALSE;
+  }
+  IFWL_Widget* pChild =
+      FWL_GetWidgetMgr()->GetWidget(pWidget, FWL_WGTRELATION_FirstChild);
+  if (!pChild) {
+    return TRUE;
+  }
+  if (pChild->GetClassID() == 3150298670) {
+    CFX_RectF rtTemp;
+    pChild->GetWidgetRect(rtTemp);
+    if (rtTemp.width >= rtWidget.width && rtTemp.height >= rtWidget.height) {
+      pChild =
+          FWL_GetWidgetMgr()->GetWidget(pChild, FWL_WGTRELATION_FirstChild);
+      if (!pChild) {
+        return TRUE;
+      }
+    }
+  }
+  CFX_RectF rtChilds;
+  rtChilds.Empty();
+  FX_BOOL bChildIntersectWithDirty = FALSE;
+  FX_BOOL bOrginPtIntersectWidthChild = FALSE;
+  FX_BOOL bOrginPtIntersectWidthDirty =
+      rtDirty.Contains(rtWidget.left, rtWidget.top);
+  static FWL_NEEDREPAINTHITDATA hitPoint[FWL_NEEDREPAINTHIT_Point];
+  int32_t iSize = sizeof(FWL_NEEDREPAINTHITDATA);
+  FXSYS_memset(hitPoint, 0, iSize);
+  FX_FLOAT fxPiece = rtWidget.width / FWL_NEEDREPAINTHIT_Piece;
+  FX_FLOAT fyPiece = rtWidget.height / FWL_NEEDREPAINTHIT_Piece;
+  hitPoint[2].hitPoint.x = hitPoint[6].hitPoint.x = rtWidget.left;
+  hitPoint[0].hitPoint.x = hitPoint[3].hitPoint.x = hitPoint[7].hitPoint.x =
+      hitPoint[10].hitPoint.x = fxPiece + rtWidget.left;
+  hitPoint[1].hitPoint.x = hitPoint[4].hitPoint.x = hitPoint[8].hitPoint.x =
+      hitPoint[11].hitPoint.x = fxPiece * 2 + rtWidget.left;
+  hitPoint[5].hitPoint.x = hitPoint[9].hitPoint.x =
+      rtWidget.width + rtWidget.left;
+  hitPoint[0].hitPoint.y = hitPoint[1].hitPoint.y = rtWidget.top;
+  hitPoint[2].hitPoint.y = hitPoint[3].hitPoint.y = hitPoint[4].hitPoint.y =
+      hitPoint[5].hitPoint.y = fyPiece + rtWidget.top;
+  hitPoint[6].hitPoint.y = hitPoint[7].hitPoint.y = hitPoint[8].hitPoint.y =
+      hitPoint[9].hitPoint.y = fyPiece * 2 + rtWidget.top;
+  hitPoint[10].hitPoint.y = hitPoint[11].hitPoint.y =
+      rtWidget.height + rtWidget.top;
+  do {
+    CFX_RectF rect;
+    pChild->GetWidgetRect(rect);
+    CFX_RectF r = rect;
+    r.left += rtWidget.left;
+    r.top += rtWidget.top;
+    if (r.IsEmpty()) {
+      continue;
+    }
+    if (r.Contains(rtDirty)) {
+      return FALSE;
+    }
+    if (!bChildIntersectWithDirty && r.IntersectWith(rtDirty)) {
+      bChildIntersectWithDirty = TRUE;
+    }
+    if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild) {
+      bOrginPtIntersectWidthChild = rect.Contains(0, 0);
+    }
+    if (rtChilds.IsEmpty()) {
+      rtChilds = rect;
+    } else if (!(pChild->GetStates() & FWL_WGTSTATE_Invisible)) {
+      rtChilds.Union(rect);
+    }
+    for (int32_t i = 0; i < FWL_NEEDREPAINTHIT_Point; i++) {
+      if (hitPoint[i].bNotContainByDirty || hitPoint[i].bNotNeedRepaint) {
+        continue;
+      }
+      if (!rtDirty.Contains(hitPoint[i].hitPoint)) {
+        hitPoint[i].bNotContainByDirty = TRUE;
+        continue;
+      }
+      if (r.Contains(hitPoint[i].hitPoint)) {
+        hitPoint[i].bNotNeedRepaint = TRUE;
+      }
+    }
+  } while ((pChild = FWL_GetWidgetMgr()->GetWidget(
+                pChild, FWL_WGTRELATION_NextSibling)) != NULL);
+  if (!bChildIntersectWithDirty) {
+    return TRUE;
+  }
+  if (bOrginPtIntersectWidthDirty && !bOrginPtIntersectWidthChild) {
+    return TRUE;
+  }
+  if (rtChilds.IsEmpty()) {
+    return TRUE;
+  }
+  int32_t repaintPoint = FWL_NEEDREPAINTHIT_Point;
+  for (int32_t i = 0; i < FWL_NEEDREPAINTHIT_Point; i++) {
+    if (hitPoint[i].bNotNeedRepaint) {
+      repaintPoint--;
+    }
+  }
+  if (repaintPoint > 0) {
+    return TRUE;
+  }
+  pMatrix->TransformRect(rtChilds);
+  if (rtChilds.Contains(rtDirty) || rtChilds.Contains(rtWidget)) {
+    return FALSE;
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_WidgetMgrDelegate::bUseOffscreenDirect(IFWL_Widget* pWidget) {
+  CFWL_WidgetMgrItem* pItem = m_pWidgetMgr->GetWidgetMgrItem(pWidget);
+  if (!FWL_UseOffscreen(pWidget) || !(pItem->pOffscreen)) {
+    return FALSE;
+  }
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
+  if (pItem->bOutsideChanged) {
+    CFX_RectF r;
+    pWidget->GetWidgetRect(r);
+    CFX_RectF temp(m_pWidgetMgr->m_rtScreen);
+    temp.Deflate(50, 50);
+    if (!temp.Contains(r)) {
+      return FALSE;
+    }
+    pItem->bOutsideChanged = FALSE;
+  }
+#endif
+  return pItem->iRedrawCounter == 0;
+}
+static void FWL_WriteBMP(CFX_DIBitmap* pBitmap, const FX_CHAR* filename) {
+  FILE* file = fopen(filename, "wb");
+  if (file == NULL) {
+    return;
+  }
+  int size = 14 + 40 + pBitmap->GetPitch() * pBitmap->GetHeight();
+  unsigned char buffer[40];
+  buffer[0] = 'B';
+  buffer[1] = 'M';
+  buffer[2] = (unsigned char)size;
+  buffer[3] = (unsigned char)(size >> 8);
+  buffer[4] = (unsigned char)(size >> 16);
+  buffer[5] = (unsigned char)(size >> 24);
+  buffer[6] = buffer[7] = buffer[8] = buffer[9] = 0;
+  buffer[10] = 54;
+  buffer[11] = buffer[12] = buffer[13] = 0;
+  fwrite(buffer, 14, 1, file);
+  memset(buffer, 0, 40);
+  buffer[0] = 40;
+  buffer[4] = (unsigned char)pBitmap->GetWidth();
+  buffer[5] = (unsigned char)(pBitmap->GetWidth() >> 8);
+  buffer[6] = (unsigned char)(pBitmap->GetWidth() >> 16);
+  buffer[7] = (unsigned char)(pBitmap->GetWidth() >> 24);
+  buffer[8] = (unsigned char)(-pBitmap->GetHeight());
+  buffer[9] = (unsigned char)((-pBitmap->GetHeight()) >> 8);
+  buffer[10] = (unsigned char)((-pBitmap->GetHeight()) >> 16);
+  buffer[11] = (unsigned char)((-pBitmap->GetHeight()) >> 24);
+  buffer[12] = 1;
+  buffer[14] = pBitmap->GetBPP();
+  fwrite(buffer, 40, 1, file);
+  for (int row = 0; row < pBitmap->GetHeight(); row++) {
+    uint8_t* scan_line = pBitmap->GetBuffer() + row * pBitmap->GetPitch();
+    fwrite(scan_line, pBitmap->GetPitch(), 1, file);
+  }
+  fclose(file);
+}
+FWL_ERR FWL_WidgetMgrSnapshot(IFWL_Widget* pWidget,
+                              const CFX_WideString* saveFile,
+                              const CFX_Matrix* pMatrix) {
+  CFX_RectF r;
+  pWidget->GetWidgetRect(r);
+  CFX_Graphics gs;
+  gs.Create((int32_t)r.width, (int32_t)r.height, FXDIB_Argb);
+  CFWL_WidgetMgr* widgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  CFWL_WidgetMgrDelegate* delegate = widgetMgr->GetDelegate();
+  delegate->OnDrawWidget(pWidget, &gs, pMatrix);
+  CFX_DIBitmap* dib = gs.GetRenderDevice()->GetBitmap();
+  FWL_WriteBMP(dib, saveFile->UTF8Encode());
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL FWL_WidgetIsChild(IFWL_Widget* parent, IFWL_Widget* find) {
+  if (!find) {
+    return FALSE;
+  }
+  IFWL_Widget* child =
+      FWL_GetWidgetMgr()->GetWidget(parent, FWL_WGTRELATION_FirstChild);
+  while (child) {
+    if (child == find) {
+      return TRUE;
+    }
+    if (FWL_WidgetIsChild(child, find)) {
+      return TRUE;
+    }
+    child = FWL_GetWidgetMgr()->GetWidget(child, FWL_WGTRELATION_NextSibling);
+  }
+  return FALSE;
+}
diff --git a/xfa/fwl/core/fwl_widgetmgrimp.h b/xfa/fwl/core/fwl_widgetmgrimp.h
new file mode 100644
index 0000000000..c29045d055
--- /dev/null
+++ b/xfa/fwl/core/fwl_widgetmgrimp.h
@@ -0,0 +1,170 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef XFA_FWL_CORE_FWL_WIDGETMGRIMP_H_
+#define XFA_FWL_CORE_FWL_WIDGETMGRIMP_H_
+
+#include "xfa/include/fwl/core/fwl_widgetmgr.h"
+
+class IFWL_Widget;
+class IFWL_AdapterWidgetMgr;
+class CFWL_WidgetMgrDelegate;
+class IFWL_AdapterNative;
+
+class CFWL_WidgetMgrItem {
+ public:
+  CFWL_WidgetMgrItem()
+      : pParent(NULL),
+        pOwner(NULL),
+        pChild(NULL),
+        pPrevious(NULL),
+        pNext(NULL),
+        pWidget(NULL),
+        pOffscreen(NULL),
+        iRedrawCounter(0)
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
+        ,
+        bOutsideChanged(FALSE)
+#endif
+  {
+  }
+  ~CFWL_WidgetMgrItem() {
+    if (pOffscreen) {
+      delete pOffscreen;
+      pOffscreen = NULL;
+    }
+  }
+  CFWL_WidgetMgrItem* pParent;
+  CFWL_WidgetMgrItem* pOwner;
+  CFWL_WidgetMgrItem* pChild;
+  CFWL_WidgetMgrItem* pPrevious;
+  CFWL_WidgetMgrItem* pNext;
+  IFWL_Widget* pWidget;
+  CFX_Graphics* pOffscreen;
+  int32_t iRedrawCounter;
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
+  FX_BOOL bOutsideChanged;
+#endif
+};
+
+class CFWL_WidgetMgr : public IFWL_WidgetMgr {
+ public:
+  CFWL_WidgetMgr(IFWL_AdapterNative* pAdapterNative);
+  ~CFWL_WidgetMgr() override;
+
+  // IFWL_WidgetMgr:
+  int32_t CountWidgets(IFWL_Widget* pParent = NULL) override;
+  IFWL_Widget* GetWidget(int32_t nIndex, IFWL_Widget* pParent = NULL) override;
+  IFWL_Widget* GetWidget(IFWL_Widget* pWidget,
+                         FWL_WGTRELATION eRelation) override;
+  int32_t GetWidgetIndex(IFWL_Widget* pWidget) override;
+  FX_BOOL SetWidgetIndex(IFWL_Widget* pWidget, int32_t nIndex) override;
+  FWL_ERR RepaintWidget(IFWL_Widget* pWidget,
+                        const CFX_RectF* pRect = NULL) override;
+  FX_DWORD GetCapability() override { return m_dwCapability; }
+
+  void AddWidget(IFWL_Widget* pWidget);
+  void InsertWidget(IFWL_Widget* pParent,
+                    IFWL_Widget* pChild,
+                    int32_t nIndex = -1);
+  void RemoveWidget(IFWL_Widget* pWidget);
+  void SetOwner(IFWL_Widget* pOwner, IFWL_Widget* pOwned);
+  void SetParent(IFWL_Widget* pParent, IFWL_Widget* pChild);
+  FX_BOOL IsChild(IFWL_Widget* pChild, IFWL_Widget* pParent);
+  FWL_ERR CreateWidget_Native(IFWL_Widget* pWidget);
+  FWL_ERR DestroyWidget_Native(IFWL_Widget* pWidget);
+  FWL_ERR GetWidgetRect_Native(IFWL_Widget* pWidget, CFX_RectF& rect);
+  FWL_ERR SetWidgetRect_Native(IFWL_Widget* pWidget, const CFX_RectF& rect);
+  FWL_ERR SetWidgetPosition_Native(IFWL_Widget* pWidget,
+                                   FX_FLOAT fx,
+                                   FX_FLOAT fy);
+  FWL_ERR SetWidgetIcon_Native(IFWL_Widget* pWidget,
+                               const CFX_DIBitmap* pIcon,
+                               FX_BOOL bBig);
+  FWL_ERR SetWidgetCaption_Native(IFWL_Widget* pWidget,
+                                  const CFX_WideStringC& wsCaption);
+  FWL_ERR SetBorderRegion_Native(IFWL_Widget* pWidget, CFX_Path* pPath);
+  FWL_ERR ShowWidget_Native(IFWL_Widget* pWidget);
+  FWL_ERR HideWidget_Native(IFWL_Widget* pWidget);
+  FWL_ERR SetNormal_Native(IFWL_Widget* pWidget);
+  FWL_ERR SetMaximize_Native(IFWL_Widget* pWidget);
+  FWL_ERR SetMinimize_Native(IFWL_Widget* pWidget);
+  FX_BOOL CheckMessage_Native();
+  FWL_ERR DispatchMessage_Native();
+  FX_BOOL IsIdleMessage_Native();
+  FWL_ERR Exit_Native(int32_t iExitCode);
+  FWL_ERR CreateWidgetWithNativeId_Native(IFWL_Widget* pWidget, void* vp);
+  IFWL_Widget* GetWidgetAtPoint(IFWL_Widget* pParent, FX_FLOAT fx, FX_FLOAT fy);
+  void NotifySizeChanged(IFWL_Widget* pForm, FX_FLOAT fx, FX_FLOAT fy);
+  IFWL_Widget* nextTab(IFWL_Widget* parent, IFWL_Widget* focus, FX_BOOL& bFind);
+  int32_t CountRadioButtonGroup(IFWL_Widget* pFirst);
+  IFWL_Widget* GetSiblingRadioButton(IFWL_Widget* pWidget, FX_BOOL bNext);
+  IFWL_Widget* GetRadioButtonGroupHeader(IFWL_Widget* pRadioButton);
+  void GetSameGroupRadioButton(IFWL_Widget* pRadioButton, CFX_PtrArray& group);
+  IFWL_Widget* GetDefaultButton(IFWL_Widget* pParent);
+  void AddRedrawCounts(IFWL_Widget* pWidget);
+  void ResetRedrawCounts(IFWL_Widget* pWidget);
+  IFWL_AdapterWidgetMgr* GetAdapterWidgetMgr() { return m_pAdapter; }
+  CFWL_WidgetMgrDelegate* GetDelegate() { return m_pDelegate; }
+  CFWL_WidgetMgrItem* GetWidgetMgrItem(IFWL_Widget* pWidget);
+  FX_BOOL IsThreadEnabled();
+  FX_BOOL IsFormDisabled();
+  FX_BOOL GetAdapterPopupPos(IFWL_Widget* pWidget,
+                             FX_FLOAT fMinHeight,
+                             FX_FLOAT fMaxHeight,
+                             const CFX_RectF& rtAnchor,
+                             CFX_RectF& rtPopup);
+
+ protected:
+  int32_t TravelWidgetMgr(CFWL_WidgetMgrItem* pParent,
+                          int32_t* pIndex,
+                          CFWL_WidgetMgrItem* pItem,
+                          IFWL_Widget** pWidget = NULL);
+  FX_BOOL IsAbleNative(IFWL_Widget* pWidget);
+  CFX_MapPtrToPtr m_mapWidgetItem;
+  IFWL_AdapterWidgetMgr* m_pAdapter;
+  CFWL_WidgetMgrDelegate* m_pDelegate;
+  friend class CFWL_WidgetMgrDelegate;
+  FX_DWORD m_dwCapability;
+#if (_FX_OS_ == _FX_WIN32_DESKTOP_) || (_FX_OS_ == _FX_WIN64_)
+  CFX_RectF m_rtScreen;
+#endif
+};
+
+class CFWL_WidgetMgrDelegate : public IFWL_WidgetMgrDelegate {
+ public:
+  CFWL_WidgetMgrDelegate(CFWL_WidgetMgr* pWidgetMgr);
+  ~CFWL_WidgetMgrDelegate() override {}
+
+  // IFWL_WidgetMgrDelegate:
+  FWL_ERR OnSetCapability(
+      FX_DWORD dwCapability = FWL_WGTMGR_DisableThread) override;
+  int32_t OnProcessMessageToForm(CFWL_Message* pMessage) override;
+  FWL_ERR OnDrawWidget(IFWL_Widget* pWidget,
+                       CFX_Graphics* pGraphics,
+                       const CFX_Matrix* pMatrix) override;
+
+ protected:
+  void DrawChild(IFWL_Widget* pParent,
+                 const CFX_RectF& rtClip,
+                 CFX_Graphics* pGraphics,
+                 const CFX_Matrix* pMatrix);
+  CFX_Graphics* DrawWidgetBefore(IFWL_Widget* pWidget,
+                                 CFX_Graphics* pGraphics,
+                                 const CFX_Matrix* pMatrix);
+  void DrawWidgetAfter(IFWL_Widget* pWidget,
+                       CFX_Graphics* pGraphics,
+                       CFX_RectF& rtClip,
+                       const CFX_Matrix* pMatrix);
+  FX_BOOL IsNeedRepaint(IFWL_Widget* pWidget,
+                        CFX_Matrix* pMatrix,
+                        const CFX_RectF& rtDirty);
+  FX_BOOL bUseOffscreenDirect(IFWL_Widget* pWidget);
+
+  CFWL_WidgetMgr* m_pWidgetMgr;
+};
+
+#endif  // XFA_FWL_CORE_FWL_WIDGETMGRIMP_H_
diff --git a/xfa/fwl/lightwidget/app.cpp b/xfa/fwl/lightwidget/app.cpp
new file mode 100644
index 0000000000..31a39c17f0
--- /dev/null
+++ b/xfa/fwl/lightwidget/app.cpp
@@ -0,0 +1,33 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/app.h"
+
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "xfa/include/fwl/core/fwl_app.h"
+#include "xfa/include/fwl/core/fwl_error.h"
+#include "xfa/include/fwl/lightwidget/theme.h"
+
+CFWL_App::CFWL_App() : m_pIface(IFWL_App::Create(nullptr)), m_pTheme(nullptr) {}
+CFWL_App::~CFWL_App() {
+  if (m_pTheme) {
+    m_pTheme->Finalize();
+    delete m_pTheme;
+    m_pTheme = NULL;
+  }
+  m_pIface->Release();
+}
+FWL_ERR CFWL_App::Initialize() {
+  m_pTheme = new CFWL_Theme;
+  m_pTheme->Initialize();
+  m_pIface->SetThemeProvider(m_pTheme);
+  return m_pIface->Initialize();
+}
+FWL_ERR CFWL_App::Exit(int32_t iExitCode) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->Exit(iExitCode);
+}
diff --git a/xfa/fwl/lightwidget/barcode.cpp b/xfa/fwl/lightwidget/barcode.cpp
new file mode 100644
index 0000000000..4f05837352
--- /dev/null
+++ b/xfa/fwl/lightwidget/barcode.cpp
@@ -0,0 +1,45 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/barcode.h"
+
+#include <memory>
+
+CFWL_Barcode* CFWL_Barcode::Create() {
+  return new CFWL_Barcode;
+}
+FWL_ERR CFWL_Barcode::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_Barcode> pBarcode(IFWL_Barcode::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_barcodeData)));
+  FWL_ERR ret = pBarcode->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pBarcode.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+CFWL_Barcode::CFWL_Barcode() {}
+CFWL_Barcode::~CFWL_Barcode() {}
+void CFWL_Barcode::SetType(BC_TYPE type) {
+  if (!m_pIface)
+    return;
+  static_cast<IFWL_Barcode*>(m_pIface)->SetType(type);
+}
+FX_BOOL CFWL_Barcode::IsProtectedType() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_Barcode*>(m_pIface)->IsProtectedType();
+}
+FWL_ERR CFWL_Barcode::CFWL_BarcodeDP::GetCaption(IFWL_Widget* pWidget,
+                                                 CFX_WideString& wsCaption) {
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/lightwidget/caret.cpp b/xfa/fwl/lightwidget/caret.cpp
new file mode 100644
index 0000000000..279ea2d6f9
--- /dev/null
+++ b/xfa/fwl/lightwidget/caret.cpp
@@ -0,0 +1,47 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/caret.h"
+
+#include <memory>
+
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/include/fwl/basewidget/fwl_caret.h"
+#include "xfa/include/fwl/lightwidget/edit.h"
+
+CFWL_Caret* CFWL_Caret::Create() {
+  return new CFWL_Caret;
+}
+FWL_ERR CFWL_Caret::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_Caret> pCaret(IFWL_Caret::Create(
+      m_pProperties->MakeWidgetImpProperties(nullptr), nullptr));
+  FWL_ERR ret = pCaret->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pCaret.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_Caret::ShowCaret(FX_BOOL bFlag) {
+  return static_cast<IFWL_Caret*>(m_pIface)->ShowCaret(bFlag);
+}
+FWL_ERR CFWL_Caret::GetFrequency(FX_DWORD& elapse) {
+  return static_cast<IFWL_Caret*>(m_pIface)->GetFrequency(elapse);
+}
+FWL_ERR CFWL_Caret::SetFrequency(FX_DWORD elapse) {
+  return static_cast<IFWL_Caret*>(m_pIface)->SetFrequency(elapse);
+}
+FWL_ERR CFWL_Caret::SetColor(CFX_Color crFill) {
+  return static_cast<IFWL_Caret*>(m_pIface)->SetColor(crFill);
+}
+CFWL_Caret::CFWL_Caret() {}
+CFWL_Caret::~CFWL_Caret() {}
diff --git a/xfa/fwl/lightwidget/checkbox.cpp b/xfa/fwl/lightwidget/checkbox.cpp
new file mode 100644
index 0000000000..6b7a370973
--- /dev/null
+++ b/xfa/fwl/lightwidget/checkbox.cpp
@@ -0,0 +1,57 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/checkbox.h"
+
+#include <memory>
+
+#include "xfa/include/fwl/core/fwl_error.h"
+
+CFWL_CheckBox* CFWL_CheckBox::Create() {
+  return new CFWL_CheckBox;
+}
+FWL_ERR CFWL_CheckBox::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_CheckBox> pCheckBox(IFWL_CheckBox::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_checkboxData), nullptr));
+  FWL_ERR ret = pCheckBox->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pCheckBox.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CheckBox::SetCaption(const CFX_WideStringC& wsCaption) {
+  m_checkboxData.m_wsCaption = wsCaption;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_CheckBox::SetBoxSize(FX_FLOAT fHeight) {
+  m_checkboxData.m_fBoxHeight = fHeight;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_CheckBox::GetCheckState() {
+  return static_cast<IFWL_CheckBox*>(m_pIface)->GetCheckState();
+}
+FWL_ERR CFWL_CheckBox::SetCheckState(int32_t iCheck) {
+  return static_cast<IFWL_CheckBox*>(m_pIface)->SetCheckState(iCheck);
+}
+CFWL_CheckBox::CFWL_CheckBox() {}
+CFWL_CheckBox::~CFWL_CheckBox() {}
+CFWL_CheckBox::CFWL_CheckBoxDP::CFWL_CheckBoxDP()
+    : m_fBoxHeight(16.0f), m_wsCaption(L"Check box") {}
+FWL_ERR CFWL_CheckBox::CFWL_CheckBoxDP::GetCaption(IFWL_Widget* pWidget,
+                                                   CFX_WideString& wsCaption) {
+  wsCaption = m_wsCaption;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_CheckBox::CFWL_CheckBoxDP::GetBoxSize(IFWL_Widget* pWidget) {
+  return m_fBoxHeight;
+}
diff --git a/xfa/fwl/lightwidget/combobox.cpp b/xfa/fwl/lightwidget/combobox.cpp
new file mode 100644
index 0000000000..aadb0d5ab6
--- /dev/null
+++ b/xfa/fwl/lightwidget/combobox.cpp
@@ -0,0 +1,370 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/combobox.h"
+
+#include <utility>
+
+#include "xfa/include/fwl/core/fwl_error.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_ComboBox* CFWL_ComboBox::Create() {
+  return new CFWL_ComboBox;
+}
+FWL_ERR CFWL_ComboBox::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_ComboBox> pComboBox(IFWL_ComboBox::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_comboBoxData)));
+  FWL_ERR ret = pComboBox->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pComboBox.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ComboBox::AddString(const CFX_WideStringC& wsText) {
+  std::unique_ptr<CFWL_ComboBoxItem> pItem(new CFWL_ComboBoxItem);
+  pItem->m_wsText = wsText;
+  pItem->m_dwStyles = 0;
+  m_comboBoxData.m_ItemArray.push_back(std::move(pItem));
+  return m_comboBoxData.m_ItemArray.size() - 1;
+}
+int32_t CFWL_ComboBox::AddString(const CFX_WideStringC& wsText,
+                                 CFX_DIBitmap* pIcon) {
+  std::unique_ptr<CFWL_ComboBoxItem> pItem(new CFWL_ComboBoxItem);
+  pItem->m_wsText = wsText;
+  pItem->m_dwStyles = 0;
+  pItem->m_pDIB = pIcon;
+  m_comboBoxData.m_ItemArray.push_back(std::move(pItem));
+  return m_comboBoxData.m_ItemArray.size() - 1;
+}
+bool CFWL_ComboBox::RemoveAt(int32_t iIndex) {
+  if (iIndex < 0 ||
+      static_cast<size_t>(iIndex) >= m_comboBoxData.m_ItemArray.size()) {
+    return false;
+  }
+  m_comboBoxData.m_ItemArray.erase(m_comboBoxData.m_ItemArray.begin() + iIndex);
+  return true;
+}
+void CFWL_ComboBox::RemoveAll() {
+  m_comboBoxData.m_ItemArray.clear();
+}
+int32_t CFWL_ComboBox::CountItems() {
+  return m_comboBoxData.CountItems(GetWidget());
+}
+FWL_ERR CFWL_ComboBox::GetTextByIndex(int32_t iIndex, CFX_WideString& wsText) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
+      m_comboBoxData.GetItem(m_pIface, iIndex));
+  if (!pItem)
+    return FWL_ERR_Indefinite;
+  wsText = pItem->m_wsText;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ComboBox::GetCurSel() {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetCurSel();
+}
+FWL_ERR CFWL_ComboBox::SetCurSel(int32_t iSel) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetCurSel(iSel);
+}
+FWL_ERR CFWL_ComboBox::SetEditText(const CFX_WideStringC& wsText) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditText(wsText);
+}
+int32_t CFWL_ComboBox::GetEditTextLength() const {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditTextLength();
+}
+FWL_ERR CFWL_ComboBox::GetEditText(CFX_WideString& wsText,
+                                   int32_t nStart,
+                                   int32_t nCount) const {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)
+      ->GetEditText(wsText, nStart, nCount);
+}
+FWL_ERR CFWL_ComboBox::SetEditSelRange(int32_t nStart, int32_t nCount) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditSelRange(nStart, nCount);
+}
+int32_t CFWL_ComboBox::GetEditSelRange(int32_t nIndex, int32_t& nStart) {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditSelRange(nIndex, nStart);
+}
+int32_t CFWL_ComboBox::GetEditLimit() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetEditLimit();
+}
+FWL_ERR CFWL_ComboBox::SetEditLimit(int32_t nLimit) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->SetEditLimit(nLimit);
+}
+FWL_ERR CFWL_ComboBox::EditDoClipboard(int32_t iCmd) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditDoClipboard(iCmd);
+}
+FX_BOOL CFWL_ComboBox::EditRedo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditRedo(bsRecord);
+}
+FX_BOOL CFWL_ComboBox::EditUndo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditUndo(bsRecord);
+}
+FWL_ERR CFWL_ComboBox::SetMaxListHeight(FX_FLOAT fMaxHeight) {
+  m_comboBoxData.m_fMaxListHeight = fMaxHeight;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBox::SetItemData(int32_t iIndex, void* pData) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
+      m_comboBoxData.GetItem(m_pIface, iIndex));
+  if (!pItem)
+    return FWL_ERR_Indefinite;
+  pItem->m_pData = pData;
+  return FWL_ERR_Succeeded;
+}
+void* CFWL_ComboBox::GetItemData(int32_t iIndex) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(
+      m_comboBoxData.GetItem(m_pIface, iIndex));
+  if (!pItem)
+    return NULL;
+  return pItem->m_pData;
+}
+FWL_ERR CFWL_ComboBox::SetListTheme(IFWL_ThemeProvider* pTheme) {
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetListBoxt()->SetThemeProvider(
+      pTheme);
+}
+FX_BOOL CFWL_ComboBox::AfterFocusShowDropList() {
+  return static_cast<IFWL_ComboBox*>(m_pIface)->AfterFocusShowDropList();
+}
+FWL_ERR CFWL_ComboBox::OpenDropDownList(FX_BOOL bActivate) {
+  return static_cast<IFWL_ComboBox*>(m_pIface)->OpenDropDownList(bActivate);
+}
+FX_BOOL CFWL_ComboBox::EditCanUndo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanUndo();
+}
+FX_BOOL CFWL_ComboBox::EditCanRedo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanRedo();
+}
+FX_BOOL CFWL_ComboBox::EditUndo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditUndo();
+}
+FX_BOOL CFWL_ComboBox::EditRedo() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditRedo();
+}
+FX_BOOL CFWL_ComboBox::EditCanCopy() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanCopy();
+}
+FX_BOOL CFWL_ComboBox::EditCanCut() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanCut();
+}
+FX_BOOL CFWL_ComboBox::EditCanSelectAll() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCanSelectAll();
+}
+FX_BOOL CFWL_ComboBox::EditCopy(CFX_WideString& wsCopy) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCopy(wsCopy);
+}
+FX_BOOL CFWL_ComboBox::EditCut(CFX_WideString& wsCut) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditCut(wsCut);
+}
+FX_BOOL CFWL_ComboBox::EditPaste(const CFX_WideString& wsPaste) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditPaste(wsPaste);
+}
+FX_BOOL CFWL_ComboBox::EditSelectAll() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditSelectAll();
+}
+FX_BOOL CFWL_ComboBox::EditDelete() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditDelete();
+}
+FX_BOOL CFWL_ComboBox::EditDeSelect() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->EditDeSelect();
+}
+FWL_ERR CFWL_ComboBox::GetBBox(CFX_RectF& rect) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)->GetBBox(rect);
+}
+FWL_ERR CFWL_ComboBox::EditModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                          FX_DWORD dwStylesExRemoved) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ComboBox*>(m_pIface)
+      ->EditModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+CFWL_ComboBox::CFWL_ComboBox() {}
+CFWL_ComboBox::~CFWL_ComboBox() {}
+CFWL_ComboBox::CFWL_ComboBoxDP::CFWL_ComboBoxDP() {
+  m_fItemHeight = 0;
+  m_fMaxListHeight = 0;
+}
+CFWL_ComboBox::CFWL_ComboBoxDP::~CFWL_ComboBoxDP() {}
+int32_t CFWL_ComboBox::CFWL_ComboBoxDP::CountItems(IFWL_Widget* pWidget) {
+  return m_ItemArray.size();
+}
+FWL_HLISTITEM CFWL_ComboBox::CFWL_ComboBoxDP::GetItem(IFWL_Widget* pWidget,
+                                                      int32_t nIndex) {
+  if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size())
+    return nullptr;
+
+  return reinterpret_cast<FWL_HLISTITEM>(m_ItemArray[nIndex].get());
+}
+int32_t CFWL_ComboBox::CFWL_ComboBoxDP::GetItemIndex(IFWL_Widget* pWidget,
+                                                     FWL_HLISTITEM hItem) {
+  auto it = std::find_if(
+      m_ItemArray.begin(), m_ItemArray.end(),
+      [hItem](const std::unique_ptr<CFWL_ComboBoxItem>& candidate) {
+        return candidate.get() == reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+      });
+  return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1;
+}
+FX_BOOL CFWL_ComboBox::CFWL_ComboBoxDP::SetItemIndex(IFWL_Widget* pWidget,
+                                                     FWL_HLISTITEM hItem,
+                                                     int32_t nIndex) {
+  if (nIndex < 0 || static_cast<size_t>(nIndex) >= m_ItemArray.size())
+    return FALSE;
+
+  m_ItemArray[nIndex].reset(reinterpret_cast<CFWL_ComboBoxItem*>(hItem));
+  return TRUE;
+}
+FX_DWORD CFWL_ComboBox::CFWL_ComboBoxDP::GetItemStyles(IFWL_Widget* pWidget,
+                                                       FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return 0;
+  return reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_dwStyles;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemText(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    CFX_WideString& wsText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  wsText = reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_wsText;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemRect(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    CFX_RectF& rtItem) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  rtItem.Set(pItem->m_rtItem.left, pItem->m_rtItem.top, pItem->m_rtItem.width,
+             pItem->m_rtItem.height);
+  return FWL_ERR_Succeeded;
+}
+void* CFWL_ComboBox::CFWL_ComboBoxDP::GetItemData(IFWL_Widget* pWidget,
+                                                  FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return NULL;
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  return pItem->m_pData;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemStyles(IFWL_Widget* pWidget,
+                                                      FWL_HLISTITEM hItem,
+                                                      FX_DWORD dwStyle) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_dwStyles = dwStyle;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemText(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    const FX_WCHAR* pszText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_wsText = pszText;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemRect(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    const CFX_RectF& rtItem) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_rtItem = rtItem;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ComboBox::CFWL_ComboBoxDP::GetItemHeight(IFWL_Widget* pWidget) {
+  return m_fItemHeight;
+}
+CFX_DIBitmap* CFWL_ComboBox::CFWL_ComboBoxDP::GetItemIcon(IFWL_Widget* pWidget,
+                                                          FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return NULL;
+  return reinterpret_cast<CFWL_ComboBoxItem*>(hItem)->m_pDIB;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckRect(IFWL_Widget* pWidget,
+                                                         FWL_HLISTITEM hItem,
+                                                         CFX_RectF& rtCheck) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  rtCheck = pItem->m_rtCheckBox;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckRect(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem,
+    const CFX_RectF& rtCheck) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  pItem->m_rtCheckBox = rtCheck;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ComboBox::CFWL_ComboBoxDP::GetItemCheckState(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  return pItem->m_dwCheckState;
+}
+FWL_ERR CFWL_ComboBox::CFWL_ComboBoxDP::SetItemCheckState(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem,
+    FX_DWORD dwCheckState) {
+  CFWL_ComboBoxItem* pItem = reinterpret_cast<CFWL_ComboBoxItem*>(hItem);
+  pItem->m_dwCheckState = dwCheckState;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ComboBox::CFWL_ComboBoxDP::GetListHeight(IFWL_Widget* pWidget) {
+  return m_fMaxListHeight;
+}
diff --git a/xfa/fwl/lightwidget/datetimepicker.cpp b/xfa/fwl/lightwidget/datetimepicker.cpp
new file mode 100644
index 0000000000..bf1d976d90
--- /dev/null
+++ b/xfa/fwl/lightwidget/datetimepicker.cpp
@@ -0,0 +1,144 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/datetimepicker.h"
+
+#include <memory>
+
+#include "xfa/include/fwl/basewidget/fwl_datetimepicker.h"
+#include "xfa/include/fwl/core/fwl_error.h"
+#include "xfa/include/fwl/core/fwl_note.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_DateTimePicker* CFWL_DateTimePicker::Create() {
+  return new CFWL_DateTimePicker;
+}
+FWL_ERR CFWL_DateTimePicker::Initialize(
+    const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_DateTimePicker> pDateTimePicker(
+      IFWL_DateTimePicker::Create(
+          m_pProperties->MakeWidgetImpProperties(&m_DateTimePickerDP),
+          nullptr));
+  FWL_ERR ret = pDateTimePicker->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pDateTimePicker.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_DateTimePicker::SetToday(int32_t iYear,
+                                      int32_t iMonth,
+                                      int32_t iDay) {
+  m_DateTimePickerDP.m_iYear = iYear;
+  m_DateTimePickerDP.m_iMonth = iMonth;
+  m_DateTimePickerDP.m_iDay = iDay;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_DateTimePicker::CountSelRanges() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->CountSelRanges();
+}
+int32_t CFWL_DateTimePicker::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)
+      ->GetSelRange(nIndex, nStart);
+}
+FWL_ERR CFWL_DateTimePicker::GetEditText(CFX_WideString& wsText) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->GetEditText(wsText);
+}
+FWL_ERR CFWL_DateTimePicker::SetEditText(const CFX_WideStringC& wsText) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->SetEditText(wsText);
+}
+FWL_ERR CFWL_DateTimePicker::GetCurSel(int32_t& iYear,
+                                       int32_t& iMonth,
+                                       int32_t& iDay) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)
+      ->GetCurSel(iYear, iMonth, iDay);
+}
+FWL_ERR CFWL_DateTimePicker::SetCurSel(int32_t iYear,
+                                       int32_t iMonth,
+                                       int32_t iDay) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)
+      ->SetCurSel(iYear, iMonth, iDay);
+}
+CFWL_DateTimePicker::CFWL_DateTimePicker() {}
+CFWL_DateTimePicker::~CFWL_DateTimePicker() {}
+CFWL_DateTimePicker::CFWL_DateTimePickerDP::CFWL_DateTimePickerDP() {
+  m_iYear = 2011;
+  m_iMonth = 1;
+  m_iDay = 1;
+}
+FWL_ERR CFWL_DateTimePicker::CFWL_DateTimePickerDP::GetCaption(
+    IFWL_Widget* pWidget,
+    CFX_WideString& wsCaption) {
+  wsCaption = m_wsData;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_DateTimePicker::CFWL_DateTimePickerDP::GetToday(
+    IFWL_Widget* pWidget,
+    int32_t& iYear,
+    int32_t& iMonth,
+    int32_t& iDay) {
+  iYear = m_iYear;
+  iMonth = m_iMonth;
+  iDay = m_iDay;
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_DateTimePicker::CanUndo() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->CanUndo();
+}
+FX_BOOL CFWL_DateTimePicker::CanRedo() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->CanRedo();
+}
+FX_BOOL CFWL_DateTimePicker::Undo() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->Undo();
+}
+FX_BOOL CFWL_DateTimePicker::Redo() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->Redo();
+}
+FX_BOOL CFWL_DateTimePicker::CanCopy() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->CanCopy();
+}
+FX_BOOL CFWL_DateTimePicker::CanCut() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->CanCut();
+}
+FX_BOOL CFWL_DateTimePicker::CanSelectAll() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->CanSelectAll();
+}
+FX_BOOL CFWL_DateTimePicker::Copy(CFX_WideString& wsCopy) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->Copy(wsCopy);
+}
+FX_BOOL CFWL_DateTimePicker::Cut(CFX_WideString& wsCut) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->Copy(wsCut);
+}
+FX_BOOL CFWL_DateTimePicker::Paste(const CFX_WideString& wsPaste) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->Paste(wsPaste);
+}
+FX_BOOL CFWL_DateTimePicker::SelectAll() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->SelectAll();
+}
+FX_BOOL CFWL_DateTimePicker::Delete() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->Delete();
+}
+FX_BOOL CFWL_DateTimePicker::DeSelect() {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->DeSelect();
+}
+FWL_ERR CFWL_DateTimePicker::GetBBox(CFX_RectF& rect) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->GetBBox(rect);
+}
+FWL_ERR CFWL_DateTimePicker::SetEditLimit(int32_t nLimit) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)->SetEditLimit(nLimit);
+}
+FWL_ERR CFWL_DateTimePicker::ModifyEditStylesEx(FX_DWORD dwStylesExAdded,
+                                                FX_DWORD dwStylesExRemoved) {
+  return static_cast<IFWL_DateTimePicker*>(m_pIface)
+      ->ModifyEditStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
diff --git a/xfa/fwl/lightwidget/edit.cpp b/xfa/fwl/lightwidget/edit.cpp
new file mode 100644
index 0000000000..303943a8f6
--- /dev/null
+++ b/xfa/fwl/lightwidget/edit.cpp
@@ -0,0 +1,211 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/edit.h"
+
+#include <memory>
+#include <vector>
+
+#include "xfa/include/fwl/basewidget/fwl_edit.h"
+
+CFWL_Edit* CFWL_Edit::Create() {
+  return new CFWL_Edit;
+}
+FWL_ERR CFWL_Edit::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_Edit> pEdit(IFWL_Edit::Create(
+      m_pProperties->MakeWidgetImpProperties(nullptr), nullptr));
+  FWL_ERR ret = pEdit->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pEdit.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_Edit::SetText(const CFX_WideString& wsText) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->SetText(wsText);
+}
+int32_t CFWL_Edit::GetTextLength() const {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_Edit*>(m_pIface)->GetTextLength();
+}
+FWL_ERR CFWL_Edit::GetText(CFX_WideString& wsText,
+                           int32_t nStart,
+                           int32_t nCount) const {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->GetText(wsText, nStart, nCount);
+}
+FWL_ERR CFWL_Edit::ClearText() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->ClearText();
+}
+int32_t CFWL_Edit::GetCaretPos() const {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_Edit*>(m_pIface)->GetCaretPos();
+}
+int32_t CFWL_Edit::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_Edit*>(m_pIface)->SetCaretPos(nIndex, bBefore);
+}
+FWL_ERR CFWL_Edit::AddSelRange(int32_t nStart, int32_t nCount) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  static_cast<IFWL_Edit*>(m_pIface)->AddSelRange(nStart, nCount);
+  int32_t pos = 0;
+  int32_t sum = static_cast<IFWL_Edit*>(m_pIface)->GetTextLength();
+  if (nCount == -1) {
+    pos = sum;
+  } else {
+    pos = nStart + nCount;
+  }
+  return static_cast<IFWL_Edit*>(m_pIface)->SetCaretPos(pos);
+}
+int32_t CFWL_Edit::CountSelRanges() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_Edit*>(m_pIface)->CountSelRanges();
+}
+int32_t CFWL_Edit::GetSelRange(int32_t nIndex, int32_t& nStart) {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_Edit*>(m_pIface)->GetSelRange(nIndex, nStart);
+}
+FWL_ERR CFWL_Edit::ClearSelections() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->ClearSelections();
+}
+int32_t CFWL_Edit::GetLimit() {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_Edit*>(m_pIface)->GetLimit();
+}
+FWL_ERR CFWL_Edit::SetLimit(int32_t nLimit) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->SetLimit(nLimit);
+}
+FWL_ERR CFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->SetAliasChar(wAlias);
+}
+FWL_ERR CFWL_Edit::Insert(int32_t nStart,
+                          const FX_WCHAR* lpText,
+                          int32_t nLen) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->Insert(nStart, lpText, nLen);
+}
+FWL_ERR CFWL_Edit::DeleteSelections() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->DeleteSelections();
+}
+FWL_ERR CFWL_Edit::DeleteRange(int32_t nStart, int32_t nCount) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->DeleteRange(nStart, nCount);
+}
+FWL_ERR CFWL_Edit::ReplaceSelections(const CFX_WideStringC& wsReplace) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->ReplaceSelections(wsReplace);
+}
+FWL_ERR CFWL_Edit::Replace(int32_t nStart,
+                           int32_t nLen,
+                           const CFX_WideStringC& wsReplace) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->Replace(nStart, nLen, wsReplace);
+}
+FWL_ERR CFWL_Edit::DoClipboard(int32_t iCmd) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->DoClipboard(iCmd);
+}
+FX_BOOL CFWL_Edit::Redo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_Edit*>(m_pIface)->Redo(bsRecord);
+}
+FX_BOOL CFWL_Edit::Undo(const CFX_ByteStringC& bsRecord) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_Edit*>(m_pIface)->Undo(bsRecord);
+}
+FWL_ERR CFWL_Edit::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)
+      ->SetTabWidth(fTabWidth, bEquidistant);
+}
+FWL_ERR CFWL_Edit::SetNumberRange(int32_t iMin, int32_t iMax) {
+  if (iMin > iMax) {
+    return FWL_ERR_Parameter_Invalid;
+  }
+  return static_cast<IFWL_Edit*>(m_pIface)->SetNumberRange(iMin, iMax);
+}
+FWL_ERR CFWL_Edit::SetBackColor(FX_DWORD dwColor) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->SetBackColor(dwColor);
+}
+FWL_ERR CFWL_Edit::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_Edit*>(m_pIface)->SetFont(wsFont, fSize);
+}
+FX_BOOL CFWL_Edit::CanUndo() {
+  return static_cast<IFWL_Edit*>(m_pIface)->CanUndo();
+}
+FX_BOOL CFWL_Edit::CanRedo() {
+  return static_cast<IFWL_Edit*>(m_pIface)->CanRedo();
+}
+FX_BOOL CFWL_Edit::Undo() {
+  return static_cast<IFWL_Edit*>(m_pIface)->Undo();
+}
+FX_BOOL CFWL_Edit::Redo() {
+  return static_cast<IFWL_Edit*>(m_pIface)->Undo();
+}
+FX_BOOL CFWL_Edit::Copy(CFX_WideString& wsCopy) {
+  return static_cast<IFWL_Edit*>(m_pIface)->Copy(wsCopy);
+}
+FX_BOOL CFWL_Edit::Cut(CFX_WideString& wsCut) {
+  return static_cast<IFWL_Edit*>(m_pIface)->Cut(wsCut);
+}
+FX_BOOL CFWL_Edit::Paste(const CFX_WideString& wsPaste) {
+  return static_cast<IFWL_Edit*>(m_pIface)->Paste(wsPaste);
+}
+FX_BOOL CFWL_Edit::Delete() {
+  return static_cast<IFWL_Edit*>(m_pIface)->Delete();
+}
+void CFWL_Edit::SetScrollOffset(FX_FLOAT fScrollOffset) {
+  return static_cast<IFWL_Edit*>(m_pIface)->SetScrollOffset(fScrollOffset);
+}
+FX_BOOL CFWL_Edit::GetSuggestWords(CFX_PointF pointf,
+                                   std::vector<CFX_ByteString>& sSuggest) {
+  return static_cast<IFWL_Edit*>(m_pIface)->GetSuggestWords(pointf, sSuggest);
+}
+FX_BOOL CFWL_Edit::ReplaceSpellCheckWord(CFX_PointF pointf,
+                                         const CFX_ByteStringC& bsReplace) {
+  return static_cast<IFWL_Edit*>(m_pIface)
+      ->ReplaceSpellCheckWord(pointf, bsReplace);
+}
+CFWL_Edit::CFWL_Edit() {}
+CFWL_Edit::~CFWL_Edit() {}
diff --git a/xfa/fwl/lightwidget/listbox.cpp b/xfa/fwl/lightwidget/listbox.cpp
new file mode 100644
index 0000000000..6a7a26cd1b
--- /dev/null
+++ b/xfa/fwl/lightwidget/listbox.cpp
@@ -0,0 +1,302 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/listbox.h"
+
+#include <memory>
+
+#include "third_party/base/stl_util.h"
+
+CFWL_ListBox* CFWL_ListBox::Create() {
+  return new CFWL_ListBox;
+}
+FWL_ERR CFWL_ListBox::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_ListBox> pListBox(IFWL_ListBox::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_ListBoxDP), nullptr));
+  FWL_ERR ret = pListBox->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pListBox.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::AddDIBitmap(CFX_DIBitmap* pDIB, FWL_HLISTITEM hItem) {
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_pDIB = pDIB;
+  return FWL_ERR_Succeeded;
+}
+FWL_HLISTITEM CFWL_ListBox::AddString(const CFX_WideStringC& wsAdd,
+                                      FX_BOOL bSelect) {
+  std::unique_ptr<CFWL_ListItem> pItem(new CFWL_ListItem);
+  pItem->m_dwStates = 0;
+  pItem->m_wsText = wsAdd;
+  pItem->m_dwStates = bSelect ? FWL_ITEMSTATE_LTB_Selected : 0;
+  m_ListBoxDP.m_ItemArray.push_back(std::move(pItem));
+  return (FWL_HLISTITEM)m_ListBoxDP.m_ItemArray.back().get();
+}
+FX_BOOL CFWL_ListBox::DeleteString(FWL_HLISTITEM hItem) {
+  int32_t nIndex = m_ListBoxDP.GetItemIndex(GetWidget(), hItem);
+  if (nIndex < 0 ||
+      static_cast<size_t>(nIndex) >= m_ListBoxDP.m_ItemArray.size()) {
+    return FALSE;
+  }
+  int32_t iCount = m_ListBoxDP.CountItems(m_pIface);
+  int32_t iSel = nIndex + 1;
+  if (iSel >= iCount) {
+    iSel = nIndex - 1;
+    if (iSel < 0) {
+      iSel = -1;
+    }
+  }
+  if (iSel >= 0) {
+    CFWL_ListItem* pSel =
+        reinterpret_cast<CFWL_ListItem*>(m_ListBoxDP.GetItem(m_pIface, iSel));
+    pSel->m_dwStates |= FWL_ITEMSTATE_LTB_Selected;
+  }
+  m_ListBoxDP.m_ItemArray.erase(m_ListBoxDP.m_ItemArray.begin() + nIndex);
+  return TRUE;
+}
+void CFWL_ListBox::DeleteAll() {
+  m_ListBoxDP.m_ItemArray.clear();
+}
+int32_t CFWL_ListBox::CountSelItems() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ListBox*>(m_pIface)->CountSelItems();
+}
+FWL_HLISTITEM CFWL_ListBox::GetSelItem(int32_t nIndexSel) {
+  if (!m_pIface)
+    return NULL;
+  return static_cast<IFWL_ListBox*>(m_pIface)->GetSelItem(nIndexSel);
+}
+int32_t CFWL_ListBox::GetSelIndex(int32_t nIndex) {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ListBox*>(m_pIface)->GetSelIndex(nIndex);
+}
+FWL_ERR CFWL_ListBox::SetSelItem(FWL_HLISTITEM hItem, FX_BOOL bSelect) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ListBox*>(m_pIface)->SetSelItem(hItem, bSelect);
+}
+FWL_ERR CFWL_ListBox::GetItemText(FWL_HLISTITEM hItem, CFX_WideString& wsText) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ListBox*>(m_pIface)->GetItemText(hItem, wsText);
+}
+FWL_ERR CFWL_ListBox::GetScrollPos(FX_FLOAT& fPos, FX_BOOL bVert) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ListBox*>(m_pIface)->GetScrollPos(fPos, bVert);
+}
+FWL_ERR CFWL_ListBox::SetItemHeight(FX_FLOAT fItemHeight) {
+  m_ListBoxDP.m_fItemHeight = fItemHeight;
+  return FWL_ERR_Succeeded;
+}
+FWL_HLISTITEM CFWL_ListBox::GetFocusItem() {
+  for (const auto& hItem : m_ListBoxDP.m_ItemArray) {
+    if (hItem->m_dwStates & FWL_ITEMSTATE_LTB_Focused)
+      return (FWL_HLISTITEM)hItem.get();
+  }
+  return nullptr;
+}
+FWL_ERR CFWL_ListBox::SetFocusItem(FWL_HLISTITEM hItem) {
+  int32_t nIndex = m_ListBoxDP.GetItemIndex(GetWidget(), hItem);
+  m_ListBoxDP.m_ItemArray[nIndex]->m_dwStates |= FWL_ITEMSTATE_LTB_Focused;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR* CFWL_ListBox::Sort(IFWL_ListBoxCompare* pCom) {
+  return static_cast<IFWL_ListBox*>(m_pIface)->Sort(pCom);
+}
+int32_t CFWL_ListBox::CountItems() {
+  return pdfium::CollectionSize<int32_t>(m_ListBoxDP.m_ItemArray);
+}
+FWL_HLISTITEM CFWL_ListBox::GetItem(int32_t nIndex) {
+  if (nIndex < 0 || nIndex >= CountItems())
+    return nullptr;
+
+  return (FWL_HLISTITEM)m_ListBoxDP.m_ItemArray[nIndex].get();
+}
+FWL_ERR CFWL_ListBox::SetItemString(FWL_HLISTITEM hItem,
+                                    const CFX_WideStringC& wsText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText = wsText;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::GetItemString(FWL_HLISTITEM hItem,
+                                    CFX_WideString& wsText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  wsText = reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::SetItemData(FWL_HLISTITEM hItem, void* pData) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_pData = pData;
+  return FWL_ERR_Succeeded;
+}
+void* CFWL_ListBox::GetItemData(FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return NULL;
+  return reinterpret_cast<CFWL_ListItem*>(hItem)->m_pData;
+}
+FWL_HLISTITEM CFWL_ListBox::GetItemAtPoint(FX_FLOAT fx, FX_FLOAT fy) {
+  CFX_RectF rtClient;
+  m_pIface->GetClientRect(rtClient);
+  fx -= rtClient.left;
+  fy -= rtClient.top;
+  FX_FLOAT fPosX = 0;
+  FX_FLOAT fPosY = 0;
+  static_cast<IFWL_ListBox*>(m_pIface)->GetScrollPos(fx);
+  static_cast<IFWL_ListBox*>(m_pIface)->GetScrollPos(fy, FALSE);
+  int32_t nCount = m_ListBoxDP.CountItems(NULL);
+  for (int32_t i = 0; i < nCount; i++) {
+    FWL_HLISTITEM hItem = m_ListBoxDP.GetItem(NULL, i);
+    if (!hItem) {
+      continue;
+    }
+    CFX_RectF rtItem;
+    m_ListBoxDP.GetItemRect(NULL, hItem, rtItem);
+    rtItem.Offset(-fPosX, -fPosY);
+    if (rtItem.Contains(fx, fy)) {
+      return hItem;
+    }
+  }
+  return NULL;
+}
+FX_DWORD CFWL_ListBox::GetItemStates(FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return 0;
+  CFWL_ListItem* pItem = reinterpret_cast<CFWL_ListItem*>(hItem);
+  return pItem->m_dwStates | pItem->m_dwCheckState;
+}
+CFWL_ListBox::CFWL_ListBox() {}
+CFWL_ListBox::~CFWL_ListBox() {}
+CFWL_ListBox::CFWL_ListBoxDP::CFWL_ListBoxDP() {}
+CFWL_ListBox::CFWL_ListBoxDP::~CFWL_ListBoxDP() {}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::GetCaption(IFWL_Widget* pWidget,
+                                                 CFX_WideString& wsCaption) {
+  wsCaption = m_wsData;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ListBox::CFWL_ListBoxDP::CountItems(IFWL_Widget* pWidget) {
+  return pdfium::CollectionSize<int32_t>(m_ItemArray);
+}
+FWL_HLISTITEM CFWL_ListBox::CFWL_ListBoxDP::GetItem(IFWL_Widget* pWidget,
+                                                    int32_t nIndex) {
+  if (nIndex < 0 || nIndex >= CountItems(pWidget))
+    return nullptr;
+
+  return (FWL_HLISTITEM)m_ItemArray[nIndex].get();
+}
+int32_t CFWL_ListBox::CFWL_ListBoxDP::GetItemIndex(IFWL_Widget* pWidget,
+                                                   FWL_HLISTITEM hItem) {
+  auto it = std::find_if(
+      m_ItemArray.begin(), m_ItemArray.end(),
+      [hItem](const std::unique_ptr<CFWL_ListItem>& candidate) {
+        return candidate.get() == reinterpret_cast<CFWL_ListItem*>(hItem);
+      });
+  return it != m_ItemArray.end() ? it - m_ItemArray.begin() : -1;
+}
+FX_BOOL CFWL_ListBox::CFWL_ListBoxDP::SetItemIndex(IFWL_Widget* pWidget,
+                                                   FWL_HLISTITEM hItem,
+                                                   int32_t nIndex) {
+  if (nIndex < 0 || nIndex >= CountItems(pWidget))
+    return FALSE;
+  m_ItemArray[nIndex].reset(reinterpret_cast<CFWL_ListItem*>(hItem));
+  return TRUE;
+}
+FX_DWORD CFWL_ListBox::CFWL_ListBoxDP::GetItemStyles(IFWL_Widget* pWidget,
+                                                     FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return -1;
+  return reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwStates;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::GetItemText(IFWL_Widget* pWidget,
+                                                  FWL_HLISTITEM hItem,
+                                                  CFX_WideString& wsText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  wsText = reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::GetItemRect(IFWL_Widget* pWidget,
+                                                  FWL_HLISTITEM hItem,
+                                                  CFX_RectF& rtItem) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  CFWL_ListItem* pItem = reinterpret_cast<CFWL_ListItem*>(hItem);
+  rtItem = pItem->m_rtItem;
+  return FWL_ERR_Succeeded;
+}
+void* CFWL_ListBox::CFWL_ListBoxDP::GetItemData(IFWL_Widget* pWidget,
+                                                FWL_HLISTITEM hItem) {
+  if (!hItem)
+    return NULL;
+  CFWL_ListItem* pItem = reinterpret_cast<CFWL_ListItem*>(hItem);
+  return pItem->m_pData;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::SetItemStyles(IFWL_Widget* pWidget,
+                                                    FWL_HLISTITEM hItem,
+                                                    FX_DWORD dwStyle) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwStates = dwStyle;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::SetItemText(IFWL_Widget* pWidget,
+                                                  FWL_HLISTITEM hItem,
+                                                  const FX_WCHAR* pszText) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_wsText = pszText;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::SetItemRect(IFWL_Widget* pWidget,
+                                                  FWL_HLISTITEM hItem,
+                                                  const CFX_RectF& rtItem) {
+  if (!hItem)
+    return FWL_ERR_Indefinite;
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_rtItem = rtItem;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_ListBox::CFWL_ListBoxDP::GetItemHeight(IFWL_Widget* pWidget) {
+  return m_fItemHeight;
+}
+CFX_DIBitmap* CFWL_ListBox::CFWL_ListBoxDP::GetItemIcon(IFWL_Widget* pWidget,
+                                                        FWL_HLISTITEM hItem) {
+  return reinterpret_cast<CFWL_ListItem*>(hItem)->m_pDIB;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::GetItemCheckRect(IFWL_Widget* pWidget,
+                                                       FWL_HLISTITEM hItem,
+                                                       CFX_RectF& rtCheck) {
+  rtCheck = reinterpret_cast<CFWL_ListItem*>(hItem)->m_rtCheckBox;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::SetItemCheckRect(
+    IFWL_Widget* pWidget,
+    FWL_HLISTITEM hItem,
+    const CFX_RectF& rtCheck) {
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_rtCheckBox = rtCheck;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_ListBox::CFWL_ListBoxDP::GetItemCheckState(IFWL_Widget* pWidget,
+                                                         FWL_HLISTITEM hItem) {
+  return reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwCheckState;
+}
+FWL_ERR CFWL_ListBox::CFWL_ListBoxDP::SetItemCheckState(IFWL_Widget* pWidget,
+                                                        FWL_HLISTITEM hItem,
+                                                        FX_DWORD dwCheckState) {
+  reinterpret_cast<CFWL_ListItem*>(hItem)->m_dwCheckState = dwCheckState;
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/lightwidget/picturebox.cpp b/xfa/fwl/lightwidget/picturebox.cpp
new file mode 100644
index 0000000000..e35741c3ac
--- /dev/null
+++ b/xfa/fwl/lightwidget/picturebox.cpp
@@ -0,0 +1,119 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/picturebox.h"
+
+#include <memory>
+
+CFWL_PictureBox* CFWL_PictureBox::Create() {
+  return new CFWL_PictureBox;
+}
+FWL_ERR CFWL_PictureBox::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_PictureBox> pPictureBox(IFWL_PictureBox::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_PictureBoxDP), nullptr));
+  FWL_ERR ret = pPictureBox->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pPictureBox.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+CFX_DIBitmap* CFWL_PictureBox::GetPicture() {
+  return m_PictureBoxDP.m_pBitmap;
+}
+FWL_ERR CFWL_PictureBox::SetPicture(CFX_DIBitmap* pBitmap) {
+  m_PictureBoxDP.m_pBitmap = pBitmap;
+  return FWL_ERR_Succeeded;
+}
+FX_FLOAT CFWL_PictureBox::GetRotation() {
+  return m_PictureBoxDP.m_fRotation;
+}
+FWL_ERR CFWL_PictureBox::SetRotation(FX_FLOAT fRotation) {
+  m_PictureBoxDP.m_fRotation = fRotation;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_PictureBox::GetFlipMode() {
+  return m_PictureBoxDP.GetFlipMode(m_pIface);
+}
+FWL_ERR CFWL_PictureBox::SetFlipMode(int32_t iFlipMode) {
+  m_PictureBoxDP.m_iFlipMode = iFlipMode;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_PictureBox::GetOpacity() {
+  return m_PictureBoxDP.GetOpacity(m_pIface);
+}
+FWL_ERR CFWL_PictureBox::SetOpacity(int32_t iOpacity) {
+  m_PictureBoxDP.m_iOpacity = iOpacity;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBox::GetScale(FX_FLOAT& fScaleX, FX_FLOAT& fScaleY) {
+  CFX_Matrix matrix;
+  m_PictureBoxDP.GetMatrix(m_pIface, matrix);
+  matrix.Scale(fScaleX, fScaleY);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBox::SetScale(FX_FLOAT fScaleX, FX_FLOAT fScaleY) {
+  m_PictureBoxDP.m_fScaleX = fScaleX;
+  m_PictureBoxDP.m_fScaleY = fScaleY;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBox::GetOffset(FX_FLOAT& fx, FX_FLOAT& fy) {
+  CFX_Matrix matrix;
+  m_PictureBoxDP.GetMatrix(m_pIface, matrix);
+  fx = matrix.e;
+  fy = matrix.f;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PictureBox::SetOffset(FX_FLOAT fx, FX_FLOAT fy) {
+  m_PictureBoxDP.m_fOffSetX = fx;
+  m_PictureBoxDP.m_fOffSetY = fy;
+  return FWL_ERR_Succeeded;
+}
+CFWL_PictureBox::CFWL_PictureBox() {}
+CFWL_PictureBox::~CFWL_PictureBox() {}
+FWL_ERR CFWL_PictureBox::CFWL_PictureBoxDP::GetCaption(
+    IFWL_Widget* pWidget,
+    CFX_WideString& wsCaption) {
+  return FWL_ERR_Succeeded;
+}
+CFX_DIBitmap* CFWL_PictureBox::CFWL_PictureBoxDP::GetPicture(
+    IFWL_Widget* pWidget) {
+  return m_pBitmap;
+}
+CFX_DIBitmap* CFWL_PictureBox::CFWL_PictureBoxDP::GetErrorPicture(
+    IFWL_Widget* pWidget) {
+  return m_pBitmap;
+}
+CFX_DIBitmap* CFWL_PictureBox::CFWL_PictureBoxDP::GetInitialPicture(
+    IFWL_Widget* pWidget) {
+  return m_pBitmap;
+}
+int32_t CFWL_PictureBox::CFWL_PictureBoxDP::GetOpacity(IFWL_Widget* pWidget) {
+  return m_iOpacity;
+}
+FWL_ERR CFWL_PictureBox::CFWL_PictureBoxDP::GetMatrix(IFWL_Widget* pWidget,
+                                                      CFX_Matrix& matrix) {
+  CFX_RectF rect;
+  pWidget->GetClientRect(rect);
+  FX_FLOAT fLen = rect.width / 2;
+  FX_FLOAT fWid = rect.height / 2;
+  matrix.SetIdentity();
+  matrix.Translate(-fLen, -fWid);
+  matrix.Rotate(m_fRotation);
+  matrix.Translate(fLen, fWid);
+  matrix.Scale(m_fScaleX, m_fScaleY);
+  matrix.Translate(m_fOffSetX, m_fOffSetY);
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_PictureBox::CFWL_PictureBoxDP::GetFlipMode(IFWL_Widget* pWidget) {
+  return m_iFlipMode;
+}
diff --git a/xfa/fwl/lightwidget/pushbutton.cpp b/xfa/fwl/lightwidget/pushbutton.cpp
new file mode 100644
index 0000000000..c9fb74e5f5
--- /dev/null
+++ b/xfa/fwl/lightwidget/pushbutton.cpp
@@ -0,0 +1,56 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/pushbutton.h"
+
+#include <memory>
+
+CFWL_PushButton* CFWL_PushButton::Create() {
+  return new CFWL_PushButton;
+}
+FWL_ERR CFWL_PushButton::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_PushButton> pPushButton(IFWL_PushButton::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_buttonData), nullptr));
+  FWL_ERR ret = pPushButton->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pPushButton.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PushButton::GetCaption(CFX_WideString& wsCaption) {
+  wsCaption = m_buttonData.m_wsCaption;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_PushButton::SetCaption(const CFX_WideStringC& wsCaption) {
+  m_buttonData.m_wsCaption = wsCaption;
+  return FWL_ERR_Succeeded;
+}
+CFX_DIBitmap* CFWL_PushButton::GetPicture() {
+  return m_buttonData.m_pBitmap;
+}
+FWL_ERR CFWL_PushButton::SetPicture(CFX_DIBitmap* pBitmap) {
+  m_buttonData.m_pBitmap = pBitmap;
+  return FWL_ERR_Succeeded;
+}
+CFWL_PushButton::CFWL_PushButton() {}
+CFWL_PushButton::~CFWL_PushButton() {}
+FWL_ERR CFWL_PushButton::CFWL_PushButtonDP::GetCaption(
+    IFWL_Widget* pWidget,
+    CFX_WideString& wsCaption) {
+  wsCaption = m_wsCaption;
+  return FWL_ERR_Succeeded;
+}
+CFX_DIBitmap* CFWL_PushButton::CFWL_PushButtonDP::GetPicture(
+    IFWL_Widget* pWidget) {
+  return m_pBitmap;
+}
diff --git a/xfa/fwl/lightwidget/scrollbar.cpp b/xfa/fwl/lightwidget/scrollbar.cpp
new file mode 100644
index 0000000000..cc927e724e
--- /dev/null
+++ b/xfa/fwl/lightwidget/scrollbar.cpp
@@ -0,0 +1,93 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/scrollbar.h"
+
+#include <memory>
+
+#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
+
+CFWL_ScrollBar* CFWL_ScrollBar::Create() {
+  return new CFWL_ScrollBar;
+}
+FWL_ERR CFWL_ScrollBar::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_ScrollBar> pScrollBar(IFWL_ScrollBar::Create(
+      m_pProperties->MakeWidgetImpProperties(nullptr), nullptr));
+  FWL_ERR ret = pScrollBar->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pScrollBar.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_ScrollBar::IsVertical() {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->IsVertical();
+}
+FWL_ERR CFWL_ScrollBar::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->GetRange(fMin, fMax);
+}
+FWL_ERR CFWL_ScrollBar::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->SetRange(fMin, fMax);
+}
+FX_FLOAT CFWL_ScrollBar::GetPageSize() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->GetPageSize();
+}
+FWL_ERR CFWL_ScrollBar::SetPageSize(FX_FLOAT fPageSize) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->SetPageSize(fPageSize);
+}
+FX_FLOAT CFWL_ScrollBar::GetStepSize() {
+  if (!m_pIface)
+    return 0;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->GetStepSize();
+}
+FWL_ERR CFWL_ScrollBar::SetStepSize(FX_FLOAT fStepSize) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->SetStepSize(fStepSize);
+}
+FX_FLOAT CFWL_ScrollBar::GetPos() {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->GetPos();
+}
+FWL_ERR CFWL_ScrollBar::SetPos(FX_FLOAT fPos) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->SetPos(fPos);
+}
+FX_FLOAT CFWL_ScrollBar::GetTrackPos() {
+  if (!m_pIface)
+    return -1;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->GetTrackPos();
+}
+FWL_ERR CFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->SetTrackPos(fTrackPos);
+}
+FX_BOOL CFWL_ScrollBar::DoScroll(FX_DWORD dwCode, FX_FLOAT fPos) {
+  if (!m_pIface)
+    return FALSE;
+  return static_cast<IFWL_ScrollBar*>(m_pIface)->DoScroll(dwCode, fPos);
+}
+CFWL_ScrollBar::CFWL_ScrollBar() {}
+CFWL_ScrollBar::~CFWL_ScrollBar() {}
diff --git a/xfa/fwl/lightwidget/theme.cpp b/xfa/fwl/lightwidget/theme.cpp
new file mode 100644
index 0000000000..fe9f55928b
--- /dev/null
+++ b/xfa/fwl/lightwidget/theme.cpp
@@ -0,0 +1,135 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/theme.h"
+
+#include <algorithm>
+
+#include "xfa/include/fwl/theme/barcodetp.h"
+#include "xfa/include/fwl/theme/carettp.h"
+#include "xfa/include/fwl/theme/checkboxtp.h"
+#include "xfa/include/fwl/theme/comboboxtp.h"
+#include "xfa/include/fwl/theme/datetimepickertp.h"
+#include "xfa/include/fwl/theme/edittp.h"
+#include "xfa/include/fwl/theme/formtp.h"
+#include "xfa/include/fwl/theme/listboxtp.h"
+#include "xfa/include/fwl/theme/monthcalendartp.h"
+#include "xfa/include/fwl/theme/pictureboxtp.h"
+#include "xfa/include/fwl/theme/pushbuttontp.h"
+#include "xfa/include/fwl/theme/scrollbartp.h"
+
+CFWL_Theme::CFWL_Theme() {
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_FormTP));
+  m_ThemesArray.push_back(
+      std::unique_ptr<CFWL_WidgetTP>(new CFWL_PushButtonTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_CheckBoxTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ListBoxTP));
+  m_ThemesArray.push_back(
+      std::unique_ptr<CFWL_WidgetTP>(new CFWL_PictureBoxTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ScrollBarTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_EditTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_ComboBoxTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_BarcodeTP));
+  m_ThemesArray.push_back(
+      std::unique_ptr<CFWL_WidgetTP>(new CFWL_DateTimePickerTP));
+  m_ThemesArray.push_back(
+      std::unique_ptr<CFWL_WidgetTP>(new CFWL_MonthCalendarTP));
+  m_ThemesArray.push_back(std::unique_ptr<CFWL_WidgetTP>(new CFWL_CaretTP));
+}
+
+CFWL_Theme::~CFWL_Theme() {}
+
+FX_BOOL CFWL_Theme::IsValidWidget(IFWL_Widget* pWidget) {
+  return !!GetTheme(pWidget);
+}
+
+FX_DWORD CFWL_Theme::GetThemeID(IFWL_Widget* pWidget) {
+  return GetTheme(pWidget)->GetThemeID(pWidget);
+}
+
+FX_DWORD CFWL_Theme::SetThemeID(IFWL_Widget* pWidget,
+                                FX_DWORD dwThemeID,
+                                FX_BOOL bChildren) {
+  FX_DWORD dwID;
+  for (const auto& pTheme : m_ThemesArray) {
+    dwID = pTheme->GetThemeID(pWidget);
+    pTheme->SetThemeID(pWidget, dwThemeID, FALSE);
+  }
+  return dwID;
+}
+
+FWL_ERR CFWL_Theme::GetThemeMatrix(IFWL_Widget* pWidget, CFX_Matrix& matrix) {
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_Theme::SetThemeMatrix(IFWL_Widget* pWidget,
+                                   const CFX_Matrix& matrix) {
+  return FWL_ERR_Succeeded;
+}
+
+FX_BOOL CFWL_Theme::DrawBackground(CFWL_ThemeBackground* pParams) {
+  return GetTheme(pParams->m_pWidget)->DrawBackground(pParams);
+}
+
+FX_BOOL CFWL_Theme::DrawText(CFWL_ThemeText* pParams) {
+  return GetTheme(pParams->m_pWidget)->DrawText(pParams);
+}
+
+void* CFWL_Theme::GetCapacity(CFWL_ThemePart* pThemePart, FX_DWORD dwCapacity) {
+  return GetTheme(pThemePart->m_pWidget)->GetCapacity(pThemePart, dwCapacity);
+}
+
+FX_BOOL CFWL_Theme::IsCustomizedLayout(IFWL_Widget* pWidget) {
+  return GetTheme(pWidget)->IsCustomizedLayout(pWidget);
+}
+
+FWL_ERR CFWL_Theme::GetPartRect(CFWL_ThemePart* pThemePart, CFX_RectF& rtPart) {
+  return GetTheme(pThemePart->m_pWidget)->GetPartRect(pThemePart, rtPart);
+}
+
+FX_BOOL CFWL_Theme::IsInPart(CFWL_ThemePart* pThemePart,
+                             FX_FLOAT fx,
+                             FX_FLOAT fy) {
+  return GetTheme(pThemePart->m_pWidget)->IsInPart(pThemePart, fx, fy);
+}
+
+FX_BOOL CFWL_Theme::CalcTextRect(CFWL_ThemeText* pParams, CFX_RectF& rect) {
+  return GetTheme(pParams->m_pWidget)->CalcTextRect(pParams, rect);
+}
+
+FWL_ERR CFWL_Theme::Initialize() {
+  for (const auto& pTheme : m_ThemesArray)
+    pTheme->Initialize();
+
+  FWLTHEME_Init();
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_Theme::Finalize() {
+  for (const auto& pTheme : m_ThemesArray)
+    pTheme->Finalize();
+
+  FWLTHEME_Release();
+  return FWL_ERR_Succeeded;
+}
+
+FWL_ERR CFWL_Theme::SetFont(IFWL_Widget* pWidget,
+                            const FX_WCHAR* strFont,
+                            FX_FLOAT fFontSize,
+                            FX_ARGB rgbFont) {
+  for (const auto& pTheme : m_ThemesArray)
+    pTheme->SetFont(pWidget, strFont, fFontSize, rgbFont);
+
+  return FWL_ERR_Succeeded;
+}
+
+CFWL_WidgetTP* CFWL_Theme::GetTheme(IFWL_Widget* pWidget) {
+  for (const auto& pTheme : m_ThemesArray) {
+    if (pTheme->IsValidWidget(pWidget))
+      return pTheme.get();
+  }
+  return nullptr;
+}
diff --git a/xfa/fwl/lightwidget/tooltipctrl.cpp b/xfa/fwl/lightwidget/tooltipctrl.cpp
new file mode 100644
index 0000000000..323eed0282
--- /dev/null
+++ b/xfa/fwl/lightwidget/tooltipctrl.cpp
@@ -0,0 +1,111 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/tooltipctrl.h"
+
+#include <memory>
+
+#include "xfa/fwl/core/fwl_formimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_panelimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_threadimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+
+CFWL_ToolTip* CFWL_ToolTip::Create() {
+  return new CFWL_ToolTip;
+}
+FWL_ERR CFWL_ToolTip::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (m_pIface)
+    return FWL_ERR_Indefinite;
+  if (pProperties) {
+    *m_pProperties = *pProperties;
+  }
+  std::unique_ptr<IFWL_ToolTip> pToolTip(IFWL_ToolTip::Create(
+      m_pProperties->MakeWidgetImpProperties(&m_tooltipData), nullptr));
+  FWL_ERR ret = pToolTip->Initialize();
+  if (ret != FWL_ERR_Succeeded) {
+    return ret;
+  }
+  m_pIface = pToolTip.release();
+  CFWL_Widget::Initialize();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTip::GetCaption(CFX_WideString& wsCaption) {
+  wsCaption = m_tooltipData.m_wsCaption;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTip::SetCaption(const CFX_WideStringC& wsCaption) {
+  m_tooltipData.m_wsCaption = wsCaption;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ToolTip::GetInitialDelay() {
+  return m_tooltipData.m_nInitDelayTime;
+}
+int32_t CFWL_ToolTip::SetInitialDelay(int32_t nDelayTime) {
+  m_tooltipData.m_nInitDelayTime = nDelayTime;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ToolTip::GetAutoPopDelay() {
+  return m_tooltipData.m_nAutoPopDelayTime;
+}
+int32_t CFWL_ToolTip::SetAutoPopDelay(int32_t nDelayTime) {
+  m_tooltipData.m_nAutoPopDelayTime = nDelayTime;
+  return FWL_ERR_Succeeded;
+}
+CFX_DIBitmap* CFWL_ToolTip::GetToolTipIcon() {
+  return m_tooltipData.m_pBitmap;
+}
+FWL_ERR CFWL_ToolTip::SetToolTipIcon(CFX_DIBitmap* pBitmap) {
+  m_tooltipData.m_pBitmap = pBitmap;
+  return FWL_ERR_Succeeded;
+}
+CFX_SizeF CFWL_ToolTip::GetToolTipIconSize() {
+  return m_tooltipData.m_fIconSize;
+}
+FWL_ERR CFWL_ToolTip::SetToolTipIconSize(CFX_SizeF fSize) {
+  m_tooltipData.m_fIconSize = fSize;
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_ToolTip::SetAnchor(const CFX_RectF& rtAnchor) {
+  return static_cast<IFWL_ToolTip*>(m_pIface)->SetAnchor(rtAnchor);
+}
+FWL_ERR CFWL_ToolTip::Show() {
+  return static_cast<IFWL_ToolTip*>(m_pIface)->Show();
+}
+FWL_ERR CFWL_ToolTip::Hide() {
+  return static_cast<IFWL_ToolTip*>(m_pIface)->Hide();
+}
+CFWL_ToolTip::CFWL_ToolTip() {}
+CFWL_ToolTip::~CFWL_ToolTip() {}
+CFWL_ToolTip::CFWL_ToolTipDP::CFWL_ToolTipDP() : m_pBitmap(NULL) {
+  m_wsCaption = L"";
+  m_nInitDelayTime = 500;
+  m_nAutoPopDelayTime = 50000;
+  m_fAnchor.Set(0.0, 0.0, 0.0, 0.0);
+}
+FWL_ERR CFWL_ToolTip::CFWL_ToolTipDP::GetCaption(IFWL_Widget* pWidget,
+                                                 CFX_WideString& wsCaption) {
+  wsCaption = m_wsCaption;
+  return FWL_ERR_Succeeded;
+}
+int32_t CFWL_ToolTip::CFWL_ToolTipDP::GetInitialDelay(IFWL_Widget* pWidget) {
+  return m_nInitDelayTime;
+}
+int32_t CFWL_ToolTip::CFWL_ToolTipDP::GetAutoPopDelay(IFWL_Widget* pWidget) {
+  return m_nAutoPopDelayTime;
+}
+CFX_DIBitmap* CFWL_ToolTip::CFWL_ToolTipDP::GetToolTipIcon(
+    IFWL_Widget* pWidget) {
+  return m_pBitmap;
+}
+CFX_SizeF CFWL_ToolTip::CFWL_ToolTipDP::GetToolTipIconSize(
+    IFWL_Widget* pWidget) {
+  return m_fIconSize;
+}
+CFX_RectF CFWL_ToolTip::CFWL_ToolTipDP::GetAnchor() {
+  return m_fAnchor;
+}
diff --git a/xfa/fwl/lightwidget/widget.cpp b/xfa/fwl/lightwidget/widget.cpp
new file mode 100644
index 0000000000..daaab3c300
--- /dev/null
+++ b/xfa/fwl/lightwidget/widget.cpp
@@ -0,0 +1,318 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/lightwidget/widget.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/fwl_targetimp.h"
+#include "xfa/fwl/core/fwl_widgetimp.h"
+#include "xfa/fwl/core/fwl_widgetmgrimp.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+#include "xfa/include/fwl/core/fwl_thread.h"
+
+CFWL_WidgetImpProperties CFWL_WidgetProperties::MakeWidgetImpProperties(
+    IFWL_DataProvider* pDataProvider) const {
+  CFWL_WidgetImpProperties result;
+  result.m_ctmOnParent = m_ctmOnParent;
+  result.m_rtWidget = m_rtWidget;
+  result.m_dwStyles = m_dwStyles;
+  result.m_dwStyleExes = m_dwStyleExes;
+  result.m_dwStates = m_dwStates;
+  if (m_pParent)
+    result.m_pParent = m_pParent->GetWidget();
+  if (m_pOwner)
+    result.m_pOwner = m_pOwner->GetWidget();
+  result.m_pDataProvider = pDataProvider;
+  return result;
+}
+IFWL_Widget* CFWL_Widget::GetWidget() {
+  return m_pIface;
+}
+FWL_ERR CFWL_Widget::GetClassName(CFX_WideString& wsClass) const {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->GetClassName(wsClass);
+}
+FX_DWORD CFWL_Widget::GetClassID() const {
+  if (!m_pIface)
+    return 0;
+  return m_pIface->GetClassID();
+}
+FX_BOOL CFWL_Widget::IsInstance(const CFX_WideStringC& wsClass) const {
+  if (!m_pIface)
+    return FALSE;
+  return m_pIface->IsInstance(wsClass);
+}
+static void* gs_pFWLWidget = (void*)FXBSTR_ID('l', 'i', 'g', 't');
+FWL_ERR CFWL_Widget::Initialize(const CFWL_WidgetProperties* pProperties) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->SetPrivateData(gs_pFWLWidget, this, NULL);
+}
+FWL_ERR CFWL_Widget::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->GetWidgetRect(rect, bAutoSize);
+}
+FWL_ERR CFWL_Widget::GetGlobalRect(CFX_RectF& rect) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->GetGlobalRect(rect);
+}
+FWL_ERR CFWL_Widget::SetWidgetRect(const CFX_RectF& rect) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->SetWidgetRect(rect);
+}
+FWL_ERR CFWL_Widget::GetClientRect(CFX_RectF& rect) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->GetClientRect(rect);
+}
+CFWL_Widget* CFWL_Widget::GetParent() {
+  if (!m_pIface)
+    return NULL;
+  IFWL_Widget* parent = m_pIface->GetParent();
+  if (parent) {
+    return static_cast<CFWL_Widget*>(parent->GetPrivateData(gs_pFWLWidget));
+  }
+  return NULL;
+}
+FWL_ERR CFWL_Widget::SetParent(CFWL_Widget* pParent) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->SetParent(pParent ? pParent->GetWidget() : NULL);
+}
+CFWL_Widget* CFWL_Widget::GetOwner() {
+  if (!m_pIface)
+    return NULL;
+  return NULL;
+}
+FWL_ERR CFWL_Widget::SetOwner(CFWL_Widget* pOwner) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return FWL_ERR_Succeeded;
+}
+FX_DWORD CFWL_Widget::GetStyles() {
+  if (!m_pIface)
+    return 0;
+  return m_pIface->GetStyles();
+}
+FWL_ERR CFWL_Widget::ModifyStyles(FX_DWORD dwStylesAdded,
+                                  FX_DWORD dwStylesRemoved) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->ModifyStyles(dwStylesAdded, dwStylesRemoved);
+}
+FX_DWORD CFWL_Widget::GetStylesEx() {
+  if (!m_pIface)
+    return 0;
+  return m_pIface->GetStylesEx();
+}
+FWL_ERR CFWL_Widget::ModifyStylesEx(FX_DWORD dwStylesExAdded,
+                                    FX_DWORD dwStylesExRemoved) {
+  return m_pIface->ModifyStylesEx(dwStylesExAdded, dwStylesExRemoved);
+}
+FX_DWORD CFWL_Widget::GetStates() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->GetStates();
+}
+FWL_ERR CFWL_Widget::SetStates(FX_DWORD dwStates, FX_BOOL bSet) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->SetStates(dwStates, bSet);
+}
+FWL_ERR CFWL_Widget::SetPrivateData(void* module_id,
+                                    void* pData,
+                                    PD_CALLBACK_FREEDATA callback) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->SetPrivateData(module_id, pData, callback);
+}
+void* CFWL_Widget::GetPrivateData(void* module_id) {
+  if (!m_pIface)
+    return NULL;
+  return m_pIface->GetPrivateData(module_id);
+}
+FWL_ERR CFWL_Widget::Update() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->Update();
+}
+FWL_ERR CFWL_Widget::LockUpdate() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->LockUpdate();
+}
+FWL_ERR CFWL_Widget::UnlockUpdate() {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->UnlockUpdate();
+}
+FX_DWORD CFWL_Widget::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
+  if (!m_pIface)
+    return 0;
+  return m_pIface->HitTest(fx, fy);
+}
+FWL_ERR CFWL_Widget::TransformTo(CFWL_Widget* pWidget,
+                                 FX_FLOAT& fx,
+                                 FX_FLOAT& fy) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->TransformTo(pWidget ? pWidget->GetWidget() : NULL, fx, fy);
+}
+FWL_ERR CFWL_Widget::TransformTo(CFWL_Widget* pWidget, CFX_RectF& rt) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->TransformTo(pWidget ? pWidget->GetWidget() : NULL, rt);
+}
+FWL_ERR CFWL_Widget::GetMatrix(CFX_Matrix& matrix, FX_BOOL bGlobal) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->GetMatrix(matrix, bGlobal);
+}
+FWL_ERR CFWL_Widget::SetMatrix(const CFX_Matrix& matrix) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->SetMatrix(matrix);
+}
+FWL_ERR CFWL_Widget::DrawWidget(CFX_Graphics* pGraphics,
+                                const CFX_Matrix* pMatrix) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  return m_pIface->DrawWidget(pGraphics, pMatrix);
+}
+IFWL_WidgetDelegate* CFWL_Widget::SetDelegate(IFWL_WidgetDelegate* pDelegate) {
+  if (!m_pIface)
+    return NULL;
+  m_pDelegate = m_pIface->SetDelegate(pDelegate);
+  return m_pDelegate;
+}
+CFWL_Widget::CFWL_Widget()
+    : m_pIface(NULL), m_pDelegate(NULL), m_pProperties(NULL) {
+  m_pProperties = new CFWL_WidgetProperties;
+  m_pWidgetMgr = static_cast<CFWL_WidgetMgr*>(FWL_GetWidgetMgr());
+  FXSYS_assert(m_pWidgetMgr != NULL);
+}
+CFWL_Widget::~CFWL_Widget() {
+  delete m_pProperties;
+  if (m_pIface) {
+    m_pIface->Finalize();
+    delete m_pIface;
+  }
+}
+FWL_ERR CFWL_Widget::Repaint(const CFX_RectF* pRect) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  CFX_RectF rect;
+  if (pRect) {
+    rect = *pRect;
+  } else {
+    m_pIface->GetWidgetRect(rect);
+    rect.left = rect.top = 0;
+  }
+  return m_pWidgetMgr->RepaintWidget(m_pIface, &rect);
+}
+FWL_ERR CFWL_Widget::SetFocus(FX_BOOL bFocus) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  IFWL_NoteThread* pThread = m_pIface->GetOwnerThread();
+  if (!pThread)
+    return FWL_ERR_Indefinite;
+  IFWL_NoteDriver* pDriver = pThread->GetNoteDriver();
+  if (!pDriver)
+    return FWL_ERR_Indefinite;
+  if (bFocus) {
+    pDriver->SetFocus(m_pIface);
+  } else {
+    if (pDriver->GetFocus() == m_pIface) {
+      pDriver->SetFocus(NULL);
+    }
+  }
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_Widget::SetGrab(FX_BOOL bSet) {
+  if (!m_pIface)
+    return FWL_ERR_Indefinite;
+  IFWL_NoteThread* pThread = m_pIface->GetOwnerThread();
+  if (!pThread)
+    return FWL_ERR_Indefinite;
+  IFWL_NoteDriver* pDriver = pThread->GetNoteDriver();
+  if (!pDriver)
+    return FWL_ERR_Indefinite;
+  pDriver->SetGrab(m_pIface, bSet);
+  return FWL_ERR_Succeeded;
+}
+void CFWL_Widget::RegisterEventTarget(CFWL_Widget* pEventSource,
+                                      FX_DWORD dwFilter) {
+  if (!m_pIface)
+    return;
+  IFWL_NoteThread* pThread = m_pIface->GetOwnerThread();
+  if (!pThread)
+    return;
+  IFWL_NoteDriver* pNoteDriver = pThread->GetNoteDriver();
+  if (!pNoteDriver)
+    return;
+  IFWL_Widget* pEventSourceImp =
+      !pEventSource ? NULL : pEventSource->GetWidget();
+  pNoteDriver->RegisterEventTarget(GetWidget(), pEventSourceImp, dwFilter);
+}
+void CFWL_Widget::DispatchEvent(CFWL_Event* pEvent) {
+  if (!m_pIface)
+    return;
+  if (m_pIface->GetOuter()) {
+    return;
+  }
+  IFWL_NoteThread* pThread = m_pIface->GetOwnerThread();
+  if (!pThread)
+    return;
+  IFWL_NoteDriver* pNoteDriver = pThread->GetNoteDriver();
+  if (!pNoteDriver)
+    return;
+  pNoteDriver->SendNote(pEvent);
+}
+#define FWL_WGT_CalcHeight 2048
+#define FWL_WGT_CalcWidth 2048
+#define FWL_WGT_CalcMultiLineDefWidth 120.0f
+CFX_SizeF CFWL_Widget::CalcTextSize(const CFX_WideString& wsText,
+                                    FX_BOOL bMultiLine,
+                                    int32_t iLineWidth) {
+  if (!m_pIface)
+    return CFX_SizeF();
+  IFWL_ThemeProvider* pTheme = m_pIface->GetThemeProvider();
+  if (!pTheme)
+    return CFX_SizeF();
+
+  CFWL_ThemeText calPart;
+  calPart.m_pWidget = m_pIface;
+  calPart.m_wsText = wsText;
+  calPart.m_dwTTOStyles =
+      bMultiLine ? FDE_TTOSTYLE_LineWrap : FDE_TTOSTYLE_SingleLine;
+  calPart.m_iTTOAlign = FDE_TTOALIGNMENT_TopLeft;
+  CFX_RectF rect;
+  FX_FLOAT fWidth = bMultiLine
+                        ? (iLineWidth > 0 ? (FX_FLOAT)iLineWidth
+                                          : FWL_WGT_CalcMultiLineDefWidth)
+                        : FWL_WGT_CalcWidth;
+  rect.Set(0, 0, fWidth, FWL_WGT_CalcHeight);
+  pTheme->CalcTextRect(&calPart, rect);
+  return CFX_SizeF(rect.width, rect.height);
+}
+CFWL_WidgetDelegate::CFWL_WidgetDelegate() {}
+CFWL_WidgetDelegate::~CFWL_WidgetDelegate() {}
+int32_t CFWL_WidgetDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  return 1;
+}
+FWL_ERR CFWL_WidgetDelegate::OnProcessEvent(CFWL_Event* pEvent) {
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                          const CFX_Matrix* pMatrix) {
+  return FWL_ERR_Succeeded;
+}
diff --git a/xfa/fwl/theme/barcodetp.cpp b/xfa/fwl/theme/barcodetp.cpp
new file mode 100644
index 0000000000..477ce99d9b
--- /dev/null
+++ b/xfa/fwl/theme/barcodetp.cpp
@@ -0,0 +1,42 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/barcodetp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_barcode.h"
+#include "xfa/include/fwl/core/fwl_theme.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_BarcodeTP::CFWL_BarcodeTP() {}
+CFWL_BarcodeTP::~CFWL_BarcodeTP() {}
+
+FX_BOOL CFWL_BarcodeTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_Barcode;
+}
+FX_BOOL CFWL_BarcodeTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_BCD_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_BCD_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_BCD_Background: {
+      FillBackground(pParams->m_pGraphics, &pParams->m_rtPart,
+                     &pParams->m_matrix);
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
diff --git a/xfa/fwl/theme/carettp.cpp b/xfa/fwl/theme/carettp.cpp
new file mode 100644
index 0000000000..88b01d9f3d
--- /dev/null
+++ b/xfa/fwl/theme/carettp.cpp
@@ -0,0 +1,49 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/carettp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_caret.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_CaretTP::CFWL_CaretTP() {}
+CFWL_CaretTP::~CFWL_CaretTP() {}
+
+FX_BOOL CFWL_CaretTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_Caret;
+}
+FX_BOOL CFWL_CaretTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_CAT_Background: {
+      if (!(pParams->m_dwStates & FWL_PARTSTATE_CAT_HightLight)) {
+        return TRUE;
+      }
+      DrawCaretBK(pParams->m_pGraphics, pParams->m_dwStates,
+                  &(pParams->m_rtPart), (CFX_Color*)pParams->m_pData,
+                  &(pParams->m_matrix));
+      break;
+    }
+  }
+  return TRUE;
+}
+void CFWL_CaretTP::DrawCaretBK(CFX_Graphics* pGraphics,
+                               FX_DWORD dwStates,
+                               const CFX_RectF* pRect,
+                               CFX_Color* crFill,
+                               CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_Color crFilltemp;
+  crFill ? crFilltemp = *crFill : crFilltemp = ArgbEncode(255, 0, 0, 0);
+  CFX_RectF rect = *pRect;
+  path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
+  pGraphics->SetFillColor(&crFilltemp);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+}
diff --git a/xfa/fwl/theme/checkboxtp.cpp b/xfa/fwl/theme/checkboxtp.cpp
new file mode 100644
index 0000000000..b65a550936
--- /dev/null
+++ b/xfa/fwl/theme/checkboxtp.cpp
@@ -0,0 +1,532 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/checkboxtp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/include/fwl/basewidget/fwl_checkbox.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+#define CHECKBOX_SIZE_SIGNMARGIN 3
+#define CHECKBOX_SIZE_SIGNBORDER 2
+#define CHECKBOX_SIZE_SIGNPATH 100
+#define CHECKBOX_COLOR_BOXLT1 (ArgbEncode(255, 172, 168, 153))
+#define CHECKBOX_COLOR_BOXLT2 (ArgbEncode(255, 113, 111, 100))
+#define CHECKBOX_COLOR_BOXRB1 (ArgbEncode(255, 241, 239, 226))
+#define CHECKBOX_COLOR_BOXRB2 (ArgbEncode(255, 255, 255, 255))
+#define CHECKBOX_FXGE_CoordinatesAdjust
+
+CFWL_CheckBoxTP::CFWL_CheckBoxTP() : m_pCheckPath(NULL) {
+  m_pThemeData = new CKBThemeData;
+  SetThemeData(0);
+}
+CFWL_CheckBoxTP::~CFWL_CheckBoxTP() {
+  if (m_pThemeData) {
+    delete m_pThemeData;
+    m_pThemeData = NULL;
+  }
+  if (m_pCheckPath) {
+    m_pCheckPath->Clear();
+    delete m_pCheckPath;
+    m_pCheckPath = NULL;
+  }
+}
+FX_BOOL CFWL_CheckBoxTP::IsValidWidget(IFWL_Widget* pWidget) {
+  return pWidget && pWidget->GetClassID() == FWL_CLASSHASH_CheckBox;
+}
+FX_DWORD CFWL_CheckBoxTP::SetThemeID(IFWL_Widget* pWidget,
+                                     FX_DWORD dwThemeID,
+                                     FX_BOOL bChildren) {
+  if (m_pThemeData) {
+    SetThemeData(FWL_GetThemeColor(dwThemeID));
+  }
+  return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
+}
+FX_BOOL CFWL_CheckBoxTP::DrawText(CFWL_ThemeText* pParams) {
+  if (!m_pTextOut)
+    return FALSE;
+  m_pTextOut->SetTextColor((pParams->m_dwStates & FWL_PARTSTATE_CKB_Mask1) ==
+                                   FWL_PARTSTATE_CKB_Disabled
+                               ? FWLTHEME_CAPACITY_TextDisColor
+                               : FWLTHEME_CAPACITY_TextColor);
+  return CFWL_WidgetTP::DrawText(pParams);
+}
+FX_BOOL CFWL_CheckBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_CKB_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_CKB_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_CKB_Background: {
+      FillBackground(pParams->m_pGraphics, &pParams->m_rtPart,
+                     &pParams->m_matrix);
+      if (pParams->m_dwStates & FWL_PARTSTATE_CKB_Focused) {
+        pParams->m_rtPart = *(CFX_RectF*)pParams->m_pData;
+        DrawFocus(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      }
+      break;
+    }
+    case FWL_PART_CKB_CheckBox: {
+      DrawBoxBk(pParams->m_pWidget, pParams->m_pGraphics, &pParams->m_rtPart,
+                pParams->m_dwStates, &pParams->m_matrix);
+      if (((pParams->m_dwStates & FWL_PARTSTATE_CKB_Mask2) ==
+           FWL_PARTSTATE_CKB_Checked) |
+          ((pParams->m_dwStates & FWL_PARTSTATE_CKB_Mask2) ==
+           FWL_PARTSTATE_CKB_Neutral)) {
+        DrawSign(pParams->m_pWidget, pParams->m_pGraphics, &pParams->m_rtPart,
+                 pParams->m_dwStates, &pParams->m_matrix);
+      }
+      FX_BOOL bDisable = (pParams->m_dwStates & FWL_PARTSTATE_CKB_Mask1) ==
+                         FWL_PARTSTATE_CKB_Disabled;
+      DrawSignBorder(pParams->m_pWidget, pParams->m_pGraphics,
+                     &pParams->m_rtPart, bDisable, &pParams->m_matrix);
+      break;
+    }
+    default: { return FALSE; }
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_CheckBoxTP::Initialize() {
+  InitTTO();
+  return CFWL_WidgetTP::Initialize();
+}
+FWL_ERR CFWL_CheckBoxTP::Finalize() {
+  FinalizeTTO();
+  return CFWL_WidgetTP::Finalize();
+}
+void CFWL_CheckBoxTP::DrawBoxBk(IFWL_Widget* pWidget,
+                                CFX_Graphics* pGraphics,
+                                const CFX_RectF* pRect,
+                                FX_DWORD dwStates,
+                                CFX_Matrix* pMatrix) {
+  dwStates &= 0x03;
+  int32_t fillMode = FXFILL_WINDING;
+  FX_DWORD dwStyleEx = pWidget->GetStylesEx();
+  dwStyleEx &= FWL_STYLEEXT_CKB_ShapeMask;
+  CFX_Path path;
+  path.Create();
+  FX_FLOAT fRight = pRect->right();
+  FX_FLOAT fBottom = pRect->bottom();
+  FX_BOOL bClipSign =
+      (dwStates & FWL_PARTSTATE_CKB_Mask1) == FWL_PARTSTATE_CKB_Hovered;
+  if ((dwStyleEx == FWL_STYLEEXT_CKB_ShapeSolidSquare) ||
+      (dwStyleEx == FWL_STYLEEXT_CKB_ShapeSunkenSquare)) {
+    path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+    if (bClipSign) {
+      fillMode = FXFILL_ALTERNATE;
+      path.AddRectangle(pRect->left + CHECKBOX_SIZE_SIGNMARGIN,
+                        pRect->top + CHECKBOX_SIZE_SIGNMARGIN,
+                        pRect->width - CHECKBOX_SIZE_SIGNMARGIN * 2,
+                        pRect->height - CHECKBOX_SIZE_SIGNMARGIN * 2);
+    }
+  } else {
+#ifdef CHECKBOX_FXGE_CoordinatesAdjust
+    CFX_RectF rect(*pRect);
+    rect.Deflate(0, 0, 1, 1);
+    path.AddEllipse(rect);
+#else
+    path.AddEllipse(*pRect);
+#endif
+    if (bClipSign) {
+      fillMode = FXFILL_ALTERNATE;
+#ifdef CHECKBOX_FXGE_CoordinatesAdjust
+      CFX_RectF rtClip(rect);
+#else
+      CFX_RectF rtClip(*pRect);
+#endif
+      rtClip.Deflate(CHECKBOX_SIZE_SIGNMARGIN - 1,
+                     CHECKBOX_SIZE_SIGNMARGIN - 1);
+      path.AddEllipse(rtClip);
+    }
+  }
+  int32_t iTheme = 1;
+  if ((dwStates & FWL_PARTSTATE_CKB_Mask1) == FWL_PARTSTATE_CKB_Hovered) {
+    iTheme = 2;
+  } else if ((dwStates & FWL_PARTSTATE_CKB_Mask1) ==
+             FWL_PARTSTATE_CKB_Pressed) {
+    iTheme = 3;
+  } else if ((dwStates & FWL_PARTSTATE_CKB_Mask1) ==
+             FWL_PARTSTATE_CKB_Disabled) {
+    iTheme = 4;
+  }
+  if ((dwStates & FWL_PARTSTATE_CKB_Mask2) == FWL_PARTSTATE_CKB_Checked) {
+    iTheme += 4;
+  } else if ((dwStates & FWL_PARTSTATE_CKB_Mask2) ==
+             FWL_PARTSTATE_CKB_Neutral) {
+    iTheme += 8;
+  }
+  DrawAxialShading(pGraphics, pRect->left - 1, pRect->top - 1, fRight, fBottom,
+                   m_pThemeData->clrBoxBk[iTheme][0],
+                   m_pThemeData->clrBoxBk[iTheme][1], &path, fillMode, pMatrix);
+}
+void CFWL_CheckBoxTP::DrawSign(IFWL_Widget* pWidget,
+                               CFX_Graphics* pGraphics,
+                               const CFX_RectF* pRtBox,
+                               FX_DWORD dwStates,
+                               CFX_Matrix* pMatrix) {
+  CFX_RectF rtSign(*pRtBox);
+  rtSign.Deflate(CHECKBOX_SIZE_SIGNMARGIN, CHECKBOX_SIZE_SIGNMARGIN);
+  FX_DWORD dwColor = m_pThemeData->clrSignCheck;
+  FX_BOOL bCheck = TRUE;
+  if (((dwStates & FWL_PARTSTATE_CKB_Mask1) == FWL_PARTSTATE_CKB_Disabled) &&
+      ((dwStates & FWL_PARTSTATE_CKB_Mask2) == FWL_PARTSTATE_CKB_Checked)) {
+    dwColor = m_pThemeData->clrSignBorderDisable;
+  } else if ((dwStates & FWL_PARTSTATE_CKB_Mask2) ==
+             FWL_PARTSTATE_CKB_Neutral) {
+    switch (dwStates & FWL_PARTSTATE_CKB_Mask1) {
+      case FWL_PARTSTATE_CKB_Normal: {
+        bCheck = FALSE;
+        dwColor = m_pThemeData->clrSignNeutralNormal;
+        break;
+      }
+      case FWL_PARTSTATE_CKB_Hovered: {
+        bCheck = FALSE;
+        dwColor = m_pThemeData->clrSignNeutralHover;
+        break;
+      }
+      case FWL_PARTSTATE_CKB_Pressed: {
+        bCheck = FALSE, dwColor = m_pThemeData->clrSignNeutralPressed;
+        break;
+      }
+      case FWL_PARTSTATE_CKB_Disabled: {
+        bCheck = FALSE, dwColor = m_pThemeData->clrSignBorderDisable;
+        break;
+      }
+    }
+  }
+  if (bCheck) {
+    FX_DWORD dwStyle = pWidget->GetStylesEx();
+    switch (dwStyle & FWL_STYLEEXT_CKB_SignShapeMask) {
+      case FWL_STYLEEXT_CKB_SignShapeCheck: {
+        DrawSignCheck(pGraphics, &rtSign, dwColor, pMatrix);
+        break;
+      }
+      case FWL_STYLEEXT_CKB_SignShapeCircle: {
+        rtSign.Deflate(1, 1);
+        DrawSignCircle(pGraphics, &rtSign, dwColor, pMatrix);
+        break;
+      }
+      case FWL_STYLEEXT_CKB_SignShapeCross: {
+        DrawSignCross(pGraphics, &rtSign, dwColor, pMatrix);
+        break;
+      }
+      case FWL_STYLEEXT_CKB_SignShapeDiamond: {
+        DrawSignDiamond(pGraphics, &rtSign, dwColor, pMatrix);
+        break;
+      }
+      case FWL_STYLEEXT_CKB_SignShapeSquare: {
+        DrawSignSquare(pGraphics, &rtSign, dwColor, pMatrix);
+        break;
+      }
+      case FWL_STYLEEXT_CKB_SignShapeStar: {
+        DrawSignStar(pGraphics, &rtSign, dwColor, pMatrix);
+        break;
+      }
+    }
+  } else {
+    FillSoildRect(pGraphics, ArgbEncode(255, 33, 161, 33), &rtSign, pMatrix);
+  }
+}
+void CFWL_CheckBoxTP::DrawSignNeutral(CFX_Graphics* pGraphics,
+                                      const CFX_RectF* pRtSign,
+                                      CFX_Matrix* pMatrix) {
+  ((CFX_RectF*)pRtSign)->Inflate(-3, -3);
+  FillSoildRect(pGraphics, m_pThemeData->clrSignNeutral, pRtSign, pMatrix);
+}
+void CFWL_CheckBoxTP::DrawSignCheck(CFX_Graphics* pGraphics,
+                                    const CFX_RectF* pRtSign,
+                                    FX_ARGB argbFill,
+                                    CFX_Matrix* pMatrix) {
+  if (!m_pCheckPath) {
+    initCheckPath(pRtSign->width);
+  }
+  CFX_Matrix mt;
+  mt.SetIdentity();
+  mt.Translate(pRtSign->left, pRtSign->top);
+  mt.Concat(*pMatrix);
+  CFX_Color crFill(argbFill);
+  pGraphics->SaveGraphState();
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(m_pCheckPath, FXFILL_WINDING, &mt);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_CheckBoxTP::DrawSignCircle(CFX_Graphics* pGraphics,
+                                     const CFX_RectF* pRtSign,
+                                     FX_ARGB argbFill,
+                                     CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  path.AddEllipse(*pRtSign);
+  CFX_Color crFill(argbFill);
+  pGraphics->SaveGraphState();
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_CheckBoxTP::DrawSignCross(CFX_Graphics* pGraphics,
+                                    const CFX_RectF* pRtSign,
+                                    FX_ARGB argbFill,
+                                    CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  FX_FLOAT fRight = pRtSign->right();
+  FX_FLOAT fBottom = pRtSign->bottom();
+  path.AddLine(pRtSign->left, pRtSign->top, fRight, fBottom);
+  path.AddLine(pRtSign->left, fBottom, fRight, pRtSign->top);
+  CFX_Color crFill(argbFill);
+  pGraphics->SaveGraphState();
+  pGraphics->SetStrokeColor(&crFill);
+  pGraphics->SetLineWidth(1.0f);
+  pGraphics->StrokePath(&path, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_CheckBoxTP::DrawSignDiamond(CFX_Graphics* pGraphics,
+                                      const CFX_RectF* pRtSign,
+                                      FX_ARGB argbFill,
+                                      CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  FX_FLOAT fWidth = pRtSign->width;
+  FX_FLOAT fHeight = pRtSign->height;
+  FX_FLOAT fBottom = pRtSign->bottom();
+  path.MoveTo(pRtSign->left + fWidth / 2, pRtSign->top);
+  path.LineTo(pRtSign->left, pRtSign->top + fHeight / 2);
+  path.LineTo(pRtSign->left + fWidth / 2, fBottom);
+  path.LineTo(pRtSign->right(), pRtSign->top + fHeight / 2);
+  path.LineTo(pRtSign->left + fWidth / 2, pRtSign->top);
+  CFX_Color crFill(argbFill);
+  pGraphics->SaveGraphState();
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_CheckBoxTP::DrawSignSquare(CFX_Graphics* pGraphics,
+                                     const CFX_RectF* pRtSign,
+                                     FX_ARGB argbFill,
+                                     CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRtSign->left, pRtSign->top, pRtSign->width,
+                    pRtSign->height);
+  CFX_Color crFill(argbFill);
+  pGraphics->SaveGraphState();
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_CheckBoxTP::DrawSignStar(CFX_Graphics* pGraphics,
+                                   const CFX_RectF* pRtSign,
+                                   FX_ARGB argbFill,
+                                   CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  FX_FLOAT fBottom = pRtSign->bottom();
+  FX_FLOAT fRadius =
+      (pRtSign->top - fBottom) / (1 + (FX_FLOAT)cos(FX_PI / 5.0f));
+  CFX_PointF ptCenter((pRtSign->left + pRtSign->right()) / 2.0f,
+                      (pRtSign->top + fBottom) / 2.0f);
+  FX_FLOAT px[5], py[5];
+  FX_FLOAT fAngel = FX_PI / 10.0f;
+  for (int32_t i = 0; i < 5; i++) {
+    px[i] = ptCenter.x + fRadius * (FX_FLOAT)cos(fAngel);
+    py[i] = ptCenter.y + fRadius * (FX_FLOAT)sin(fAngel);
+    fAngel += FX_PI * 2 / 5.0f;
+  }
+  path.MoveTo(px[0], py[0]);
+  int32_t nNext = 0;
+  for (int32_t j = 0; j < 5; j++) {
+    nNext += 2;
+    if (nNext >= 5) {
+      nNext -= 5;
+    }
+    path.LineTo(px[nNext], py[nNext]);
+  }
+  CFX_Color crFill(argbFill);
+  pGraphics->SaveGraphState();
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_CheckBoxTP::DrawSignBorder(IFWL_Widget* pWidget,
+                                     CFX_Graphics* pGraphics,
+                                     const CFX_RectF* pRtBox,
+                                     FX_BOOL bDisable,
+                                     CFX_Matrix* pMatrix) {
+  switch (pWidget->GetStylesEx() & FWL_STYLEEXT_CKB_ShapeMask) {
+    case FWL_STYLEEXT_CKB_ShapeSolidSquare: {
+      DrawAnnulusRect(pGraphics, bDisable ? m_pThemeData->clrSignBorderDisable
+                                          : m_pThemeData->clrSignBorderNormal,
+                      pRtBox, 1, pMatrix);
+      break;
+    }
+    case FWL_STYLEEXT_CKB_ShapeSunkenSquare: {
+      Draw3DRect(pGraphics, FWLTHEME_EDGE_Sunken, CHECKBOX_SIZE_SIGNBORDER,
+                 pRtBox, CHECKBOX_COLOR_BOXLT1, CHECKBOX_COLOR_BOXLT2,
+                 CHECKBOX_COLOR_BOXRB1, CHECKBOX_COLOR_BOXRB2, pMatrix);
+      break;
+    }
+    case FWL_STYLEEXT_CKB_ShapeSolidCircle: {
+      DrawAnnulusCircle(pGraphics, bDisable ? m_pThemeData->clrSignBorderDisable
+                                            : m_pThemeData->clrSignBorderNormal,
+                        pRtBox, 1, pMatrix);
+      break;
+    }
+    case FWL_STYLEEXT_CKB_ShapeSunkenCircle: {
+      Draw3DCircle(pGraphics, FWLTHEME_EDGE_Sunken, CHECKBOX_SIZE_SIGNBORDER,
+                   pRtBox, CHECKBOX_COLOR_BOXLT1, CHECKBOX_COLOR_BOXLT2,
+                   CHECKBOX_COLOR_BOXRB1, CHECKBOX_COLOR_BOXRB2, pMatrix);
+      break;
+    }
+  }
+}
+void CFWL_CheckBoxTP::SetThemeData(FX_DWORD dwID) {
+  FX_DWORD* pData = (FX_DWORD*)&m_pThemeData->clrBoxBk;
+  if (dwID) {
+    *pData++ = 0, *pData++ = 0, *pData++ = ArgbEncode(255, 220, 220, 215),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 240, 207),
+    *pData++ = ArgbEncode(255, 248, 179, 48),
+    *pData++ = ArgbEncode(255, 176, 176, 167),
+    *pData++ = ArgbEncode(255, 241, 239, 239),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 220, 220, 215),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 240, 207),
+    *pData++ = ArgbEncode(255, 248, 179, 48),
+    *pData++ = ArgbEncode(255, 176, 176, 167),
+    *pData++ = ArgbEncode(255, 241, 239, 239),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 220, 220, 215),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 240, 207),
+    *pData++ = ArgbEncode(255, 248, 179, 48),
+    *pData++ = ArgbEncode(255, 176, 176, 167),
+    *pData++ = ArgbEncode(255, 241, 239, 239),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrSignBorderNormal = ArgbEncode(255, 154, 167, 114);
+    m_pThemeData->clrSignBorderDisable = ArgbEncode(255, 202, 200, 187);
+    m_pThemeData->clrSignCheck = ArgbEncode(255, 164, 180, 138);
+    m_pThemeData->clrSignNeutral = ArgbEncode(2255, 28, 134, 26);
+    m_pThemeData->clrSignNeutralNormal = ArgbEncode(255, 114, 192, 113);
+    m_pThemeData->clrSignNeutralHover = ArgbEncode(255, 33, 161, 33);
+    m_pThemeData->clrSignNeutralPressed = ArgbEncode(255, 28, 134, 26);
+  } else {
+    *pData++ = 0, *pData++ = 0, *pData++ = ArgbEncode(255, 220, 220, 215),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 240, 207),
+    *pData++ = ArgbEncode(255, 248, 179, 48),
+    *pData++ = ArgbEncode(255, 176, 176, 167),
+    *pData++ = ArgbEncode(255, 241, 239, 239),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 220, 220, 215),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 240, 207),
+    *pData++ = ArgbEncode(255, 248, 179, 48),
+    *pData++ = ArgbEncode(255, 176, 176, 167),
+    *pData++ = ArgbEncode(255, 241, 239, 239),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 220, 220, 215),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 240, 207),
+    *pData++ = ArgbEncode(255, 248, 179, 48),
+    *pData++ = ArgbEncode(255, 176, 176, 167),
+    *pData++ = ArgbEncode(255, 241, 239, 239),
+    *pData++ = ArgbEncode(255, 255, 255, 255),
+    *pData++ = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrSignBorderNormal = ArgbEncode(255, 28, 81, 128);
+    m_pThemeData->clrSignBorderDisable = ArgbEncode(255, 202, 200, 187);
+    m_pThemeData->clrSignCheck = ArgbEncode(255, 28, 81, 128);
+    m_pThemeData->clrSignNeutral = ArgbEncode(255, 28, 134, 26);
+    m_pThemeData->clrSignNeutralNormal = ArgbEncode(255, 114, 192, 113);
+    m_pThemeData->clrSignNeutralHover = ArgbEncode(255, 33, 161, 33);
+    m_pThemeData->clrSignNeutralPressed = ArgbEncode(255, 28, 134, 26);
+  }
+}
+void CFWL_CheckBoxTP::initCheckPath(FX_FLOAT fCheckLen) {
+  if (!m_pCheckPath) {
+    m_pCheckPath = new CFX_Path;
+    m_pCheckPath->Create();
+    FX_FLOAT fWidth = CHECKBOX_SIZE_SIGNPATH;
+    FX_FLOAT fHeight = -CHECKBOX_SIZE_SIGNPATH;
+    FX_FLOAT fBottom = CHECKBOX_SIZE_SIGNPATH;
+    CFX_PointF pt1(fWidth / 15.0f, fBottom + fHeight * 2 / 5.0f);
+    CFX_PointF pt2(fWidth / 4.5f, fBottom + fHeight / 16.0f);
+    CFX_PointF pt3(fWidth / 3.0f, fBottom);
+    CFX_PointF pt4(fWidth * 14 / 15.0f, fBottom + fHeight * 15 / 16.0f);
+    CFX_PointF pt5(fWidth / 3.6f, fBottom + fHeight / 3.5f);
+    CFX_PointF pt12(fWidth / 7.0f, fBottom + fHeight * 2 / 7.0f);
+    CFX_PointF pt21(fWidth / 5.0f, fBottom + fHeight / 5.0f);
+    CFX_PointF pt23(fWidth / 4.4f, fBottom + fHeight * 0 / 16.0f);
+    CFX_PointF pt32(fWidth / 4.0f, fBottom);
+    CFX_PointF pt34(fWidth * (1 / 7.0f + 7 / 15.0f),
+                    fBottom + fHeight * 4 / 5.0f);
+    CFX_PointF pt43(fWidth * (1 / 7.0f + 7 / 15.0f),
+                    fBottom + fHeight * 4 / 5.0f);
+    CFX_PointF pt45(fWidth * 7 / 15.0f, fBottom + fHeight * 8 / 7.0f);
+    CFX_PointF pt54(fWidth / 3.4f, fBottom + fHeight / 3.5f);
+    CFX_PointF pt51(fWidth / 3.6f, fBottom + fHeight / 4.0f);
+    CFX_PointF pt15(fWidth / 3.5f, fBottom + fHeight * 3.5f / 5.0f);
+    m_pCheckPath->MoveTo(pt1.x, pt1.y);
+    FX_FLOAT px1 = pt12.x - pt1.x;
+    FX_FLOAT py1 = pt12.y - pt1.y;
+    FX_FLOAT px2 = pt21.x - pt2.x;
+    FX_FLOAT py2 = pt21.y - pt2.y;
+    m_pCheckPath->BezierTo(pt1.x + px1 * FWLTHEME_BEZIER,
+                           pt1.y + py1 * FWLTHEME_BEZIER,
+                           pt2.x + px2 * FWLTHEME_BEZIER,
+                           pt2.y + py2 * FWLTHEME_BEZIER, pt2.x, pt2.y);
+    px1 = pt23.x - pt2.x;
+    py1 = pt23.y - pt2.y;
+    px2 = pt32.x - pt3.x;
+    py2 = pt32.y - pt3.y;
+    m_pCheckPath->BezierTo(pt2.x + px1 * FWLTHEME_BEZIER,
+                           pt2.y + py1 * FWLTHEME_BEZIER,
+                           pt3.x + px2 * FWLTHEME_BEZIER,
+                           pt3.y + py2 * FWLTHEME_BEZIER, pt3.x, pt3.y);
+    px1 = pt34.x - pt3.x;
+    py1 = pt34.y - pt3.y;
+    px2 = pt43.x - pt4.x;
+    py2 = pt43.y - pt4.y;
+    m_pCheckPath->BezierTo(pt3.x + px1 * FWLTHEME_BEZIER,
+                           pt3.y + py1 * FWLTHEME_BEZIER,
+                           pt4.x + px2 * FWLTHEME_BEZIER,
+                           pt4.y + py2 * FWLTHEME_BEZIER, pt4.x, pt4.y);
+    px1 = pt45.x - pt4.x;
+    py1 = pt45.y - pt4.y;
+    px2 = pt54.x - pt5.x;
+    py2 = pt54.y - pt5.y;
+    m_pCheckPath->BezierTo(pt4.x + px1 * FWLTHEME_BEZIER,
+                           pt4.y + py1 * FWLTHEME_BEZIER,
+                           pt5.x + px2 * FWLTHEME_BEZIER,
+                           pt5.y + py2 * FWLTHEME_BEZIER, pt5.x, pt5.y);
+    px1 = pt51.x - pt5.x;
+    py1 = pt51.y - pt5.y;
+    px2 = pt15.x - pt1.x;
+    py2 = pt15.y - pt1.y;
+    m_pCheckPath->BezierTo(pt5.x + px1 * FWLTHEME_BEZIER,
+                           pt5.y + py1 * FWLTHEME_BEZIER,
+                           pt1.x + px2 * FWLTHEME_BEZIER,
+                           pt1.y + py2 * FWLTHEME_BEZIER, pt1.x, pt1.y);
+    FX_FLOAT fScale = fCheckLen / CHECKBOX_SIZE_SIGNPATH;
+    CFX_Matrix mt;
+    mt.Set(1, 0, 0, 1, 0, 0);
+    mt.Scale(fScale, fScale);
+    CFX_PathData* pData = m_pCheckPath->GetPathData();
+    pData->Transform(&mt);
+  }
+}
diff --git a/xfa/fwl/theme/comboboxtp.cpp b/xfa/fwl/theme/comboboxtp.cpp
new file mode 100644
index 0000000000..33be07d44c
--- /dev/null
+++ b/xfa/fwl/theme/comboboxtp.cpp
@@ -0,0 +1,156 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/comboboxtp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_combobox.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+#define FWLTHEME_CAPACITY_ComboFormHandler 8.0f
+
+CFWL_ComboBoxTP::CFWL_ComboBoxTP() {
+  m_dwThemeID = 0;
+}
+CFWL_ComboBoxTP::~CFWL_ComboBoxTP() {}
+FX_BOOL CFWL_ComboBoxTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_ComboBox;
+}
+FX_BOOL CFWL_ComboBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_CMB_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_CMB_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_CMB_Background: {
+      CFX_Path path;
+      path.Create();
+      CFX_RectF& rect = pParams->m_rtPart;
+      path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
+      CFX_Color cr;
+      switch (pParams->m_dwStates) {
+        case FWL_PARTSTATE_CMB_Selected:
+          cr = FWLTHEME_COLOR_BKSelected;
+          break;
+        case FWL_PARTSTATE_CMB_Disabled:
+          cr = FWLTHEME_COLOR_EDGERB1;
+          break;
+        default:
+          cr = 0xFFFFFFFF;
+      }
+      pParams->m_pGraphics->SaveGraphState();
+      pParams->m_pGraphics->SetFillColor(&cr);
+      pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
+      pParams->m_pGraphics->RestoreGraphState();
+      break;
+    }
+    case FWL_PART_CMB_DropDownButton: {
+      DrawDropDownButton(pParams, pParams->m_dwStates, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_CMB_StretcgHandler: {
+      DrawStrethHandler(pParams, 0, &pParams->m_matrix);
+      break;
+    }
+    default: { return FALSE; }
+  }
+  return TRUE;
+}
+void CFWL_ComboBoxTP::DrawStrethHandler(CFWL_ThemeBackground* pParams,
+                                        FX_DWORD dwStates,
+                                        CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pParams->m_rtPart.left, pParams->m_rtPart.top,
+                    pParams->m_rtPart.width - 1, pParams->m_rtPart.height);
+  CFX_Color cr(ArgbEncode(0xff, 0xff, 0, 0));
+  pParams->m_pGraphics->SetFillColor(&cr);
+  pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
+}
+void* CFWL_ComboBoxTP::GetCapacity(CFWL_ThemePart* pThemePart,
+                                   FX_DWORD dwCapacity) {
+  if (dwCapacity == FWL_WGTCAPACITY_CMB_ComboFormHandler) {
+    m_fValue = FWLTHEME_CAPACITY_ComboFormHandler;
+    return &m_fValue;
+  }
+  return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
+}
+#ifdef THEME_XPSimilar
+void CFWL_ComboBoxTP::DrawDropDownButton(CFWL_ThemeBackground* pParams,
+                                         FX_DWORD dwStates,
+                                         CFX_Matrix* pMatrix) {
+  FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
+  switch (dwStates) {
+    case FWL_PARTSTATE_CMB_Normal: {
+      eState = FWLTHEME_STATE_Normal;
+      break;
+    }
+    case FWL_PARTSTATE_CMB_Hovered: {
+      eState = FWLTHEME_STATE_Hover;
+      break;
+    }
+    case FWL_PARTSTATE_CMB_Pressed: {
+      eState = FWLTHEME_STATE_Pressed;
+      break;
+    }
+    case FWL_PARTSTATE_CMB_Disabled: {
+      eState = FWLTHEME_STATE_Disabale;
+      break;
+    }
+    default: {}
+  }
+  DrawArrowBtn(pParams->m_pGraphics, &pParams->m_rtPart,
+               FWLTHEME_DIRECTION_Down, eState, &pParams->m_matrix);
+}
+#else
+void CFWL_ComboBoxTP::DrawDropDownButton(CFWL_ThemeBackground* pParams,
+                                         FX_DWORD dwStates,
+                                         CFX_Matrix* pMatrix) {
+  FX_BOOL bPressed = ((pParams->m_dwStates & FWL_CMBPARTSTATE_Pressed) ==
+                      FWL_CMBPARTSTATE_Pressed);
+  FX_FLOAT fWidth = bPressed ? 1.0f : 2.0f;
+  FWLTHEME_EDGE eType = bPressed ? FWLTHEME_EDGE_Flat : FWLTHEME_EDGE_Raised;
+  Draw3DRect(pParams->m_pGraphics, eType, fWidth, &pParams->m_rtPart,
+             FWLTHEME_COLOR_EDGELT1, FWLTHEME_COLOR_EDGELT2,
+             FWLTHEME_COLOR_EDGERB1, FWLTHEME_COLOR_EDGERB2, pMatrix);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pParams->m_rtPart.left + fWidth,
+                    pParams->m_rtPart.top + fWidth,
+                    pParams->m_rtPart.width - 2 * fWidth,
+                    pParams->m_rtPart.height - 2 * fWidth);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color crFill(FWLTHEME_COLOR_Background);
+  pParams->m_pGraphics->SetFillColor(&crFill);
+  pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, &pParams->m_matrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  FX_ARGB argbFill = ArgbEncode(255, 77, 97, 133);
+  switch (pParams->m_dwStates & 0x03) {
+    case FWL_CMBPARTSTATE_Normal: {
+    }
+    case FWL_CMBPARTSTATE_Hovered: {
+    }
+    case FWL_CMBPARTSTATE_Pressed: {
+      argbFill = 0xFF000000;
+      break;
+    }
+    case FWL_CMBPARTSTATE_Disabled: {
+      argbFill = 0xFFF0F0F0;
+      break;
+    }
+  }
+  DrawArrow(pParams->m_pGraphics, &pParams->m_rtPart, FWLTHEME_DIRECTION_Down,
+            argbFill, bPressed, &pParams->m_matrix);
+}
+#endif
diff --git a/xfa/fwl/theme/datetimepickertp.cpp b/xfa/fwl/theme/datetimepickertp.cpp
new file mode 100644
index 0000000000..5efe0b850e
--- /dev/null
+++ b/xfa/fwl/theme/datetimepickertp.cpp
@@ -0,0 +1,138 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/datetimepickertp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_datetimepicker.h"
+
+CFWL_DateTimePickerTP::CFWL_DateTimePickerTP() {
+  m_pThemeData = new DTPThemeData;
+  initThemeData();
+}
+CFWL_DateTimePickerTP::~CFWL_DateTimePickerTP() {
+  delete m_pThemeData;
+}
+FX_BOOL CFWL_DateTimePickerTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_DateTimePicker;
+}
+FX_BOOL CFWL_DateTimePickerTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_DTP_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_DTP_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_DTP_DropDownButton: {
+      DrawDropDownButton(pParams, &pParams->m_matrix);
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
+#ifdef THEME_XPSimilar
+void CFWL_DateTimePickerTP::DrawDropDownButton(CFWL_ThemeBackground* pParams,
+                                               CFX_Matrix* pMatrix) {
+  FX_DWORD dwStates = pParams->m_dwStates;
+  dwStates &= 0x03;
+  FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
+  switch (eState & dwStates) {
+    case FWL_PARTSTATE_DTP_Normal: {
+      eState = FWLTHEME_STATE_Normal;
+      break;
+    }
+    case FWL_PARTSTATE_DTP_Hovered: {
+      eState = FWLTHEME_STATE_Hover;
+      break;
+    }
+    case FWL_PARTSTATE_DTP_Pressed: {
+      eState = FWLTHEME_STATE_Pressed;
+      break;
+    }
+    case FWL_PARTSTATE_DTP_Disabled: {
+      eState = FWLTHEME_STATE_Disabale;
+      break;
+    }
+    default: {}
+  }
+  DrawArrowBtn(pParams->m_pGraphics, &pParams->m_rtPart,
+               FWLTHEME_DIRECTION_Down, eState, pMatrix);
+}
+#else
+void CFWL_DateTimePickerTP::DrawDropDownButton(CFWL_ThemeBackground* pParams,
+                                               CFX_Matrix* pMatrix) {
+  FX_BOOL bPressed = ((pParams->m_dwStates & FWL_PARTSTATE_DTP_Pressed) ==
+                      FWL_PARTSTATE_DTP_Pressed);
+  FX_FLOAT fWidth = bPressed ? 1.0f : 2.0f;
+  FWLTHEME_EDGE eType = bPressed ? FWLTHEME_EDGE_Flat : FWLTHEME_EDGE_Raised;
+  Draw3DRect(pParams->m_pGraphics, eType, fWidth, &pParams->m_rtPart,
+             FWLTHEME_COLOR_EDGELT1, FWLTHEME_COLOR_EDGELT2,
+             FWLTHEME_COLOR_EDGERB1, FWLTHEME_COLOR_EDGERB2, pMatrix);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pParams->m_rtPart.left + fWidth,
+                    pParams->m_rtPart.top + fWidth,
+                    pParams->m_rtPart.width - 2 * fWidth,
+                    pParams->m_rtPart.height - 2 * fWidth);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color crFill(FWLTHEME_COLOR_Background);
+  pParams->m_pGraphics->SetFillColor(&crFill);
+  pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  FX_ARGB argbFill = ArgbEncode(255, 77, 97, 133);
+  switch (pParams->m_dwStates & 0x03) {
+    case FWL_PARTSTATE_DTP_Normal: {
+    }
+    case FWL_PARTSTATE_DTP_Hovered: {
+    }
+    case FWL_PARTSTATE_DTP_Pressed: {
+      argbFill = 0xFF000000;
+      break;
+    }
+    case FWL_PARTSTATE_DTP_Disabled: {
+      argbFill = 0xFFF0F0F0;
+      break;
+    }
+  }
+  DrawArrow(pParams->m_pGraphics, &pParams->m_rtPart, FWLTHEME_DIRECTION_Down,
+            argbFill, bPressed, pMatrix);
+}
+#endif
+void CFWL_DateTimePickerTP::initThemeData() {
+  FX_DWORD* pData = (FX_DWORD*)&m_pThemeData->BoxBkColor;
+  *pData++ = 0, *pData++ = 0, *pData++ = ArgbEncode(255, 220, 220, 215),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 255, 240, 207),
+  *pData++ = ArgbEncode(255, 248, 179, 48),
+  *pData++ = ArgbEncode(255, 176, 176, 167),
+  *pData++ = ArgbEncode(255, 241, 239, 239),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 220, 220, 215),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 255, 240, 207),
+  *pData++ = ArgbEncode(255, 248, 179, 48),
+  *pData++ = ArgbEncode(255, 176, 176, 167),
+  *pData++ = ArgbEncode(255, 241, 239, 239),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 220, 220, 215),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 255, 240, 207),
+  *pData++ = ArgbEncode(255, 248, 179, 48),
+  *pData++ = ArgbEncode(255, 176, 176, 167),
+  *pData++ = ArgbEncode(255, 241, 239, 239),
+  *pData++ = ArgbEncode(255, 255, 255, 255),
+  *pData++ = ArgbEncode(255, 255, 255, 255);
+}
diff --git a/xfa/fwl/theme/edittp.cpp b/xfa/fwl/theme/edittp.cpp
new file mode 100644
index 0000000000..a206faffe8
--- /dev/null
+++ b/xfa/fwl/theme/edittp.cpp
@@ -0,0 +1,89 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/edittp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_edit.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_EditTP::CFWL_EditTP() {}
+CFWL_EditTP::~CFWL_EditTP() {}
+
+FX_BOOL CFWL_EditTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_Edit;
+}
+FX_BOOL CFWL_EditTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  switch (pParams->m_iPart) {
+    case FWL_PART_EDT_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_EDT_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_EDT_Background: {
+      if (pParams->m_pPath) {
+        CFX_Graphics* pGraphics = pParams->m_pGraphics;
+        pGraphics->SaveGraphState();
+        CFX_Color crSelected(FWL_GetThemeColor(m_dwThemeID) == 0
+                                 ? FWLTHEME_COLOR_BKSelected
+                                 : FWLTHEME_COLOR_Green_BKSelected);
+        pGraphics->SetFillColor(&crSelected);
+        pGraphics->FillPath(pParams->m_pPath, FXFILL_WINDING,
+                            &pParams->m_matrix);
+        pGraphics->RestoreGraphState();
+      } else {
+        FX_BOOL bStatic =
+            pParams->m_dwData == FWL_PARTDATA_EDT_StaticBackground;
+        CFX_Path path;
+        path.Create();
+        path.AddRectangle(pParams->m_rtPart.left, pParams->m_rtPart.top,
+                          pParams->m_rtPart.width, pParams->m_rtPart.height);
+        CFX_Color cr(FWLTHEME_COLOR_Background);
+        if (!bStatic) {
+          if ((pParams->m_dwStates & FWL_PARTSTATE_EDT_Disable) ==
+              FWL_PARTSTATE_EDT_Disable) {
+            cr.Set(FWLTHEME_COLOR_EDGERB1);
+          } else if ((pParams->m_dwStates & FWL_PARTSTATE_EDT_ReadOnly) ==
+                     FWL_PARTSTATE_EDT_ReadOnly) {
+            cr.Set(ArgbEncode(255, 236, 233, 216));
+          } else {
+            cr.Set(0xFFFFFFFF);
+          }
+        }
+        pParams->m_pGraphics->SaveGraphState();
+        pParams->m_pGraphics->SetFillColor(&cr);
+        pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING,
+                                       &pParams->m_matrix);
+        pParams->m_pGraphics->RestoreGraphState();
+      }
+      break;
+    }
+    case FWL_PART_EDT_CombTextLine: {
+      FX_ARGB cr = 0xFF000000;
+      FX_FLOAT fWidth = 1.0f;
+      CFX_Color crLine(cr);
+      pParams->m_pGraphics->SetStrokeColor(&crLine);
+      pParams->m_pGraphics->SetLineWidth(fWidth);
+      pParams->m_pGraphics->StrokePath(pParams->m_pPath, &pParams->m_matrix);
+      break;
+    }
+    default: { break; }
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_EditTP::Initialize() {
+  InitTTO();
+  return CFWL_WidgetTP::Initialize();
+}
+FWL_ERR CFWL_EditTP::Finalize() {
+  FinalizeTTO();
+  return CFWL_WidgetTP::Finalize();
+}
diff --git a/xfa/fwl/theme/formtp.cpp b/xfa/fwl/theme/formtp.cpp
new file mode 100644
index 0000000000..5f75535f3b
--- /dev/null
+++ b/xfa/fwl/theme/formtp.cpp
@@ -0,0 +1,893 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/formtp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/include/fwl/core/fwl_form.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+#define FWLTHEME_CAPACITY_CXFormBorder 3
+#define FWLTHEME_CAPACITY_CYFormBorder 3
+#define FWLTHEME_CAPACITY_CYNarrowCaption 18
+#define FWLTHEME_CAPACITY_CYCaption 29
+#define FWLTHEME_CAPACITY_BigIconSize 32
+#define FWLTHEME_CAPACITY_SmallIconSize 16
+#define FWLTHEME_CAPACITY_FormTextColor 0xFFFFFFFF
+#define FWLTHEME_FORMBTN_Margin 5
+#define FWLTHEME_FORMBTN_Span 2
+#define FWLTHEME_FORMBTN_Size 21
+
+CFWL_FormTP::CFWL_FormTP() : m_pActiveBitmap(NULL), m_pDeactivebitmap(NULL) {
+  m_pThemeData = new SBThemeData;
+  SetThemeData(0);
+  m_rtDisLBorder.Reset();
+  m_rtDisRBorder.Reset();
+  m_rtDisBBorder.Reset();
+  m_rtDisCaption.Reset();
+}
+CFWL_FormTP::~CFWL_FormTP() {
+  if (m_pThemeData) {
+    delete m_pThemeData;
+    m_pThemeData = NULL;
+  }
+}
+FWL_ERR CFWL_FormTP::Initialize() {
+  InitTTO();
+  InitCaption(TRUE);
+  InitCaption(FALSE);
+  return CFWL_WidgetTP::Initialize();
+}
+FWL_ERR CFWL_FormTP::Finalize() {
+  FinalizeTTO();
+  if (m_pActiveBitmap) {
+    delete m_pActiveBitmap;
+    m_pActiveBitmap = NULL;
+  }
+  if (m_pDeactivebitmap) {
+    delete m_pDeactivebitmap;
+    m_pDeactivebitmap = NULL;
+  }
+  return CFWL_WidgetTP::Finalize();
+}
+FX_BOOL CFWL_FormTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  FX_DWORD dwHash = pWidget->GetClassID();
+  return dwHash == FWL_CLASSHASH_Form;
+}
+FX_DWORD CFWL_FormTP::SetThemeID(IFWL_Widget* pWidget,
+                                 FX_DWORD dwThemeID,
+                                 FX_BOOL bChildren) {
+  if (m_pThemeData) {
+    SetThemeData(FWL_GetThemeColor(dwThemeID));
+  }
+  InitCaption(TRUE);
+  InitCaption(FALSE);
+  return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
+}
+FX_BOOL CFWL_FormTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  int32_t iActive = 0;
+  if (pParams->m_dwStates & FWL_PARTSTATE_FRM_Inactive) {
+    iActive = 1;
+  }
+  FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
+  switch (pParams->m_dwStates & 0x03) {
+    case FWL_PARTSTATE_FRM_Hover: {
+      eState = FWLTHEME_STATE_Hover;
+      break;
+    }
+    case FWL_PARTSTATE_FRM_Pressed: {
+      eState = FWLTHEME_STATE_Pressed;
+      break;
+    }
+    case FWL_PARTSTATE_FRM_Disabled: {
+      eState = FWLTHEME_STATE_Disabale;
+      break;
+    }
+    default: {}
+  }
+  switch (pParams->m_iPart) {
+    case FWL_PART_FRM_Border: {
+      DrawFormBorder(pParams->m_pGraphics, &pParams->m_rtPart, eState,
+                     &pParams->m_matrix, iActive);
+      break;
+    }
+    case FWL_PART_FRM_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_FRM_Background: {
+      FillBackground(pParams->m_pGraphics, &pParams->m_rtPart,
+                     &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_FRM_Caption: {
+      DrawCaption(pParams->m_pGraphics, &pParams->m_rtPart, eState,
+                  &pParams->m_matrix, iActive);
+      break;
+    }
+    case FWL_PART_FRM_NarrowCaption: {
+      DrawNarrowCaption(pParams->m_pGraphics, &pParams->m_rtPart, eState,
+                        &pParams->m_matrix, iActive);
+      break;
+    }
+    case FWL_PART_FRM_CloseBox: {
+      DrawCloseBox(pParams->m_pGraphics, &pParams->m_rtPart, eState,
+                   &pParams->m_matrix, iActive);
+      break;
+    }
+    case FWL_PART_FRM_MinimizeBox: {
+      DrawMinimizeBox(pParams->m_pGraphics, &pParams->m_rtPart, eState,
+                      &pParams->m_matrix, iActive);
+      break;
+    }
+    case FWL_PART_FRM_MaximizeBox: {
+      DrawMaximizeBox(pParams->m_pGraphics, &pParams->m_rtPart, eState,
+                      pParams->m_dwData, &pParams->m_matrix, iActive);
+      break;
+    }
+    case FWL_PART_FRM_Icon: {
+      DrawIconImage(pParams->m_pGraphics, pParams->m_pImage, &pParams->m_rtPart,
+                    eState, &pParams->m_matrix, iActive);
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_FormTP::DrawText(CFWL_ThemeText* pParams) {
+  if (!m_pTextOut)
+    return FALSE;
+  if (pParams->m_iPart == FWL_PART_FRM_Caption) {
+    m_pTextOut->SetTextColor(0xFFFFFFFF);
+  } else {
+    m_pTextOut->SetTextColor(0xFF000000);
+  }
+  return CFWL_WidgetTP::DrawText(pParams);
+}
+void* CFWL_FormTP::GetCapacity(CFWL_ThemePart* pThemePart,
+                               FX_DWORD dwCapacity) {
+  FX_BOOL bDefPro = FALSE;
+  FX_BOOL bDwordVal = FALSE;
+  switch (dwCapacity) {
+    case FWL_WGTCAPACITY_CXBorder: {
+      m_fValue = FWLTHEME_CAPACITY_CXFormBorder;
+      break;
+    }
+    case FWL_WGTCAPACITY_CYBorder: {
+      m_fValue = FWLTHEME_CAPACITY_CYFormBorder;
+      break;
+    }
+    case FWL_WGTCAPACITY_FRM_CYCaption: {
+      m_fValue = FWLTHEME_CAPACITY_CYCaption;
+      break;
+    }
+    case FWL_WGTCAPACITY_FRM_CYNarrowCaption: {
+      m_fValue = FWLTHEME_CAPACITY_CYCaption;
+      break;
+    }
+    case FWL_WGTCAPACITY_TextColor: {
+      bDwordVal = TRUE;
+      m_dwValue = FWLTHEME_CAPACITY_FormTextColor;
+      break;
+    }
+    case FWL_WGTCAPACITY_FRM_BigIcon: {
+      m_fValue = FWLTHEME_CAPACITY_BigIconSize;
+      break;
+    }
+    case FWL_WGTCAPACITY_FRM_SmallIcon: {
+      m_fValue = FWLTHEME_CAPACITY_SmallIconSize;
+      break;
+    }
+    default: { bDefPro = TRUE; }
+  }
+  if (!bDefPro) {
+    if (bDwordVal) {
+      return &m_dwValue;
+    }
+    return &m_fValue;
+  }
+  return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
+}
+FWL_ERR CFWL_FormTP::GetPartRect(CFWL_ThemePart* pThemePart,
+                                 CFX_RectF& rtPart) {
+  switch (pThemePart->m_iPart) {
+    case FWL_PART_FRM_CloseBox: {
+      CalCloseBox(pThemePart->m_pWidget, rtPart);
+      break;
+    }
+    case FWL_PART_FRM_MaximizeBox: {
+      CalMaxBox(pThemePart->m_pWidget, rtPart);
+      break;
+    }
+    case FWL_PART_FRM_MinimizeBox: {
+      CalMinBox(pThemePart->m_pWidget, rtPart);
+      break;
+    }
+    case FWL_PART_FRM_HeadText: {
+      CalCaption(pThemePart->m_pWidget, rtPart);
+      break;
+    }
+    case FWL_PART_FRM_Icon: {
+      CalIcon(pThemePart->m_pWidget, rtPart);
+      break;
+    }
+    default: {}
+  }
+  return FWL_ERR_Succeeded;
+}
+void CFWL_FormTP::CalCloseBox(IFWL_Widget* pWidget, CFX_RectF& rect) {
+  FX_DWORD dwStyles = pWidget->GetStyles();
+  CFX_RectF rtWidget;
+  pWidget->GetWidgetRect(rtWidget);
+  rtWidget.Offset(-rtWidget.left, -rtWidget.top);
+  if (dwStyles & FWL_WGTSTYLE_CloseBox) {
+    rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin + FWLTHEME_FORMBTN_Span,
+             rtWidget.top + FWLTHEME_FORMBTN_Margin, FWLTHEME_FORMBTN_Size,
+             FWLTHEME_FORMBTN_Size);
+  } else {
+    rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin + FWLTHEME_FORMBTN_Span,
+             rtWidget.top + FWLTHEME_FORMBTN_Margin, 0, 0);
+  }
+}
+void CFWL_FormTP::CalMaxBox(IFWL_Widget* pWidget, CFX_RectF& rect) {
+  FX_DWORD dwStyles = pWidget->GetStyles();
+  CFX_RectF rtWidget;
+  pWidget->GetWidgetRect(rtWidget);
+  rtWidget.Offset(-rtWidget.left, -rtWidget.top);
+  if (dwStyles & FWL_WGTSTYLE_MaximizeBox) {
+    rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin + FWLTHEME_FORMBTN_Size +
+                 FWLTHEME_FORMBTN_Span * 2,
+             rtWidget.top + FWLTHEME_FORMBTN_Margin, FWLTHEME_FORMBTN_Size,
+             FWLTHEME_FORMBTN_Size);
+  } else {
+    rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin + FWLTHEME_FORMBTN_Size +
+                 FWLTHEME_FORMBTN_Span * 2,
+             rtWidget.top + FWLTHEME_FORMBTN_Margin, 0, 0);
+  }
+}
+void CFWL_FormTP::CalMinBox(IFWL_Widget* pWidget, CFX_RectF& rect) {
+  FX_DWORD dwStyles = pWidget->GetStyles();
+  CFX_RectF rtWidget;
+  pWidget->GetWidgetRect(rtWidget);
+  rtWidget.Offset(-rtWidget.left, -rtWidget.top);
+  if (dwStyles & FWL_WGTSTYLE_MinimizeBox) {
+    rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin +
+                 FWLTHEME_FORMBTN_Size * 2 + FWLTHEME_FORMBTN_Span * 3,
+             rtWidget.top + FWLTHEME_FORMBTN_Margin, FWLTHEME_FORMBTN_Size,
+             FWLTHEME_FORMBTN_Size);
+  } else {
+    rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin +
+                 FWLTHEME_FORMBTN_Size * 2 + FWLTHEME_FORMBTN_Span * 3,
+             rtWidget.top + FWLTHEME_FORMBTN_Margin, 0, 0);
+  }
+}
+void CFWL_FormTP::CalCaption(IFWL_Widget* pWidget, CFX_RectF& rect) {
+  CFX_RectF rtWidget;
+  pWidget->GetWidgetRect(rtWidget);
+  rtWidget.Offset(-rtWidget.left, -rtWidget.top);
+  rect.Set(rtWidget.left + FWLTHEME_FORMBTN_Margin,
+           rtWidget.top + FWLTHEME_FORMBTN_Margin - 2,
+           rtWidget.width - FWLTHEME_FORMBTN_Margin * 2,
+           FWLTHEME_FORMBTN_Size + 2 * FWLTHEME_FORMBTN_Margin + 4);
+}
+void CFWL_FormTP::CalIcon(IFWL_Widget* pWidget, CFX_RectF& rect) {}
+void CFWL_FormTP::DrawFormBorder(CFX_Graphics* pGraphics,
+                                 const CFX_RectF* pRect,
+                                 FWLTHEME_STATE eState,
+                                 CFX_Matrix* pMatrix,
+                                 int32_t iActive) {
+  CFX_RectF rt;
+  rt.Set(pRect->left, pRect->top, 1, pRect->height);
+  FX_FLOAT fBottom, fRight;
+  fBottom = pRect->bottom();
+  fRight = pRect->right();
+  CFX_Path path;
+  path.Create();
+  CFX_Color clrLine;
+  path.Clear();
+  path.MoveTo(pRect->left, pRect->top);
+  path.LineTo(pRect->left, fBottom - 1);
+  path.LineTo(fRight - 1, fBottom - 1);
+  path.LineTo(fRight - 1, pRect->top);
+  clrLine = m_pThemeData->clrFormBorder[iActive][2];
+  pGraphics->SetStrokeColor(&clrLine);
+  pGraphics->StrokePath(&path, pMatrix);
+  path.Clear();
+  path.MoveTo(pRect->left + 1, pRect->top);
+  path.LineTo(pRect->left + 1, fBottom - 2);
+  path.LineTo(fRight - 2, fBottom - 2);
+  path.LineTo(fRight - 2, pRect->top);
+  clrLine = m_pThemeData->clrFormBorder[iActive][1];
+  pGraphics->SetStrokeColor(&clrLine);
+  pGraphics->StrokePath(&path, pMatrix);
+  path.Clear();
+  path.MoveTo(pRect->left + 2, pRect->top);
+  path.LineTo(pRect->left + 2, fBottom - 3);
+  path.LineTo(fRight - 3, fBottom - 3);
+  path.LineTo(fRight - 3, pRect->top);
+  clrLine = m_pThemeData->clrFormBorder[iActive][0];
+  pGraphics->SetStrokeColor(&clrLine);
+  pGraphics->StrokePath(&path, pMatrix);
+  path.Clear();
+  path.MoveTo(pRect->left + 3, pRect->top);
+  path.LineTo(pRect->left + 3, fBottom - 4);
+  path.LineTo(fRight - 4, fBottom - 4);
+  path.LineTo(fRight - 4, pRect->top);
+  clrLine = m_pThemeData->clrFormBorder[iActive][4];
+  pGraphics->SetStrokeColor(&clrLine);
+  pGraphics->StrokePath(&path, pMatrix);
+  m_rtDisLBorder.Set(pRect->left, pRect->top + 29, 4, pRect->height - 29);
+  m_rtDisRBorder.Set(pRect->right() - 4, pRect->top + 29, 4,
+                     pRect->height - 29);
+  m_rtDisBBorder.Set(pRect->left, pRect->bottom() - 4, pRect->width, 4);
+  m_rtDisCaption.Set(pRect->left, pRect->top, pRect->width, 29);
+}
+void CFWL_FormTP::DrawCaption(CFX_Graphics* pGraphics,
+                              const CFX_RectF* pRect,
+                              FWLTHEME_STATE eState,
+                              CFX_Matrix* pMatrix,
+                              int32_t iActive) {
+  CFX_RectF rt;
+  FX_FLOAT fBottom, fRight;
+  fBottom = pRect->bottom();
+  fRight = pRect->right();
+  rt.Set(pRect->left, pRect->top, pRect->width, 1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeTop[iActive][0], &rt,
+                pMatrix);
+  rt.Offset(0, 1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeTop[iActive][1], &rt,
+                pMatrix);
+  rt.Offset(0, 1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeTop[iActive][2], &rt,
+                pMatrix);
+  rt.Set(pRect->left, pRect->bottom() - 1, pRect->width, 1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeBottom[iActive][2], &rt,
+                pMatrix);
+  rt.Offset(0, -1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeBottom[iActive][1], &rt,
+                pMatrix);
+  rt.Set(pRect->left, pRect->top, 1, pRect->height);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeLeft[iActive][2], &rt,
+                pMatrix);
+  rt.Set(pRect->left + 1, pRect->top + 1, 1, fBottom - 1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeLeft[iActive][1], &rt,
+                pMatrix);
+  rt.Set(pRect->left + 2, pRect->top + 2, 1, fBottom - 2);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeLeft[iActive][0], &rt,
+                pMatrix);
+  rt.Set(fRight - 1, pRect->top, pRect->width, pRect->height);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeRight[iActive][2], &rt,
+                pMatrix);
+  rt.Set(fRight - 2, pRect->top + 1, 1, fBottom - 1);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeRight[iActive][1], &rt,
+                pMatrix);
+  rt.Set(fRight - 3, pRect->top + 2, 1, fBottom - 2);
+  FillSoildRect(pGraphics, m_pThemeData->clrHeadEdgeRight[iActive][0], &rt,
+                pMatrix);
+  CFX_RectF rect(*pRect);
+  rect.Set(rect.left + 3, rect.top + 3, rect.width - 6, rect.height - 5);
+  if (iActive == 0) {
+    pGraphics->StretchImage(m_pActiveBitmap, rect, pMatrix);
+  } else {
+    pGraphics->StretchImage(m_pDeactivebitmap, rect, pMatrix);
+  }
+}
+void CFWL_FormTP::DrawNarrowCaption(CFX_Graphics* pGraphics,
+                                    const CFX_RectF* pRect,
+                                    FWLTHEME_STATE eState,
+                                    CFX_Matrix* pMatrix,
+                                    int32_t iActive) {}
+void CFWL_FormTP::DrawCloseBox(CFX_Graphics* pGraphics,
+                               const CFX_RectF* pRect,
+                               FWLTHEME_STATE eState,
+                               CFX_Matrix* pMatrix,
+                               int32_t iActive) {
+  FX_FLOAT fRight = pRect->right();
+  FX_FLOAT fBottom = pRect->bottom();
+  FX_FLOAT fWidth = pRect->width;
+  FX_FLOAT fHeight = pRect->height;
+  pGraphics->SaveGraphState();
+  CFX_RectF rt(*pRect);
+  pGraphics->SetLineWidth(1.0f);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(rt.left + 1, rt.top, fWidth - 2, 1);
+  path.AddRectangle(rt.left, rt.top + 1, 1, fHeight - 2);
+  path.AddRectangle(fRight - 1, rt.top + 1, 1, fHeight - 2);
+  path.AddRectangle(rt.left + 1, fBottom - 1, fWidth - 2, 1);
+  CFX_Color crFill;
+  crFill = m_pThemeData->clrBtnEdgeOut[iActive];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(rt.left + 1, rt.top + 1, 1, 1);
+  path.AddRectangle(fRight - 2, rt.top + 1, 1, 1);
+  path.AddRectangle(rt.left + 1, fBottom - 2, 1, 1);
+  path.AddRectangle(fRight - 2, fBottom - 2, 1, 1);
+  crFill = m_pThemeData->clrBtnCornerLight[iActive][eState - 1];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(rt.left + 2, rt.top + 1, fWidth - 4, 1);
+  path.AddRectangle(rt.left + 1, rt.top + 2, 1, fHeight - 4);
+  crFill = m_pThemeData->clrCloseBtEdgeLight[iActive][eState - 1];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(fRight - 2, rt.top + 2, 1, fHeight - 4);
+  path.AddRectangle(rt.left + 2, fBottom - 2, fWidth - 4, 1);
+  crFill = m_pThemeData->clrCloseBtEdgeDark[iActive][eState - 1];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(pRect->left + 2, pRect->top + 2, fWidth - 4, fHeight - 4);
+  DrawAxialShading(pGraphics, pRect->left + 2, pRect->top + 2, fRight - 2,
+                   fBottom - 2,
+                   m_pThemeData->clrCloseBtBKStart[iActive][eState - 1],
+                   m_pThemeData->clrCloseBtBKEnd[iActive][eState - 1], &path,
+                   FXFILL_WINDING, pMatrix);
+  CFX_RectF rtX(*pRect);
+  rtX.Inflate(-5, -5);
+  path.Clear();
+  FX_FLOAT frtXRight = rtX.right();
+  FX_FLOAT frtXBottom = rtX.bottom();
+  path.AddLine(rtX.left, rtX.top + 1, frtXRight - 1, frtXBottom);
+  path.AddLine(rtX.left, rtX.top, frtXRight, frtXBottom);
+  path.AddLine(rtX.left + 1, rtX.top, frtXRight, frtXBottom - 1);
+  path.AddLine(rtX.left, frtXBottom - 1, frtXRight - 1, rtX.top);
+  path.AddLine(rtX.left, frtXBottom, frtXRight, rtX.top);
+  path.AddLine(rtX.left + 1, frtXBottom, frtXRight, rtX.top + 1);
+  CFX_Color clrLine(0xffffffff);
+  pGraphics->SetLineWidth(1.0f);
+  pGraphics->SetStrokeColor(&clrLine);
+  pGraphics->StrokePath(&path, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_FormTP::DrawMinMaxBoxCommon(CFX_Graphics* pGraphics,
+                                      const CFX_RectF* pRect,
+                                      FWLTHEME_STATE eState,
+                                      CFX_Matrix* pMatrix,
+                                      int32_t iActive) {
+  pGraphics->SaveGraphState();
+  FX_FLOAT fRight = pRect->right();
+  FX_FLOAT fBottom = pRect->bottom();
+  FX_FLOAT fWidth = pRect->width;
+  FX_FLOAT fHeight = pRect->height;
+  CFX_RectF rt(*pRect);
+  pGraphics->SetLineWidth(1.0f);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(rt.left + 1, rt.top, fWidth - 2, 1);
+  path.AddRectangle(rt.left, rt.top + 1, 1, fHeight - 2);
+  path.AddRectangle(fRight - 1, rt.top + 1, 1, fHeight - 2);
+  path.AddRectangle(rt.left + 1, fBottom - 1, fWidth - 2, 1);
+  CFX_Color crFill;
+  crFill = m_pThemeData->clrBtnEdgeOut[iActive];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(rt.left + 1, rt.top + 1, 1, 1);
+  path.AddRectangle(fRight - 2, rt.top + 1, 1, 1);
+  path.AddRectangle(rt.left + 1, fBottom - 2, 1, 1);
+  path.AddRectangle(fRight - 2, fBottom - 2, 1, 1);
+  crFill = m_pThemeData->clrBtnCornerLight[iActive][eState - 1];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(rt.left + 2, rt.top + 1, fWidth - 4, 1);
+  path.AddRectangle(rt.left + 1, rt.top + 2, 1, fHeight - 4);
+  crFill = m_pThemeData->clrNormalBtEdgeLight[iActive][eState - 1];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(fRight - 2, rt.top + 2, 1, fHeight - 4);
+  path.AddRectangle(rt.left + 2, fBottom - 2, fWidth - 4, 1);
+  crFill = m_pThemeData->clrNormalBtEdgeDark[iActive][eState - 1];
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+  path.Clear();
+  path.AddRectangle(pRect->left + 2, pRect->top + 2, fWidth - 4, fHeight - 4);
+  DrawAxialShading(pGraphics, pRect->left + 2, pRect->top + 2, fRight - 2,
+                   fBottom - 2,
+                   m_pThemeData->clrNormalBtBKStart[iActive][eState - 1],
+                   m_pThemeData->clrNormalBtBKEnd[iActive][eState - 1], &path,
+                   FXFILL_WINDING, pMatrix);
+}
+void CFWL_FormTP::DrawMinimizeBox(CFX_Graphics* pGraphics,
+                                  const CFX_RectF* pRect,
+                                  FWLTHEME_STATE eState,
+                                  CFX_Matrix* pMatrix,
+                                  int32_t iActive) {
+  DrawMinMaxBoxCommon(pGraphics, pRect, eState, pMatrix);
+  CFX_RectF rtMin;
+  rtMin.Set(pRect->left + 5, pRect->top + 13, pRect->width - 14,
+            pRect->height - 18);
+  FillSoildRect(pGraphics, 0xFFFFFFFF, &rtMin, pMatrix);
+}
+void CFWL_FormTP::DrawMaximizeBox(CFX_Graphics* pGraphics,
+                                  const CFX_RectF* pRect,
+                                  FWLTHEME_STATE eState,
+                                  FX_BOOL bMax,
+                                  CFX_Matrix* pMatrix,
+                                  int32_t iActive) {
+  DrawMinMaxBoxCommon(pGraphics, pRect, eState, pMatrix);
+  FX_FLOAT fWidth = pRect->width;
+  FX_FLOAT fHeight = pRect->height;
+  if (bMax) {
+    CFX_Path path;
+    path.Create();
+    path.AddLine(pRect->left + 7, pRect->top + 6, pRect->left + 14,
+                 pRect->top + 6);
+    path.AddLine(pRect->left + 4, pRect->top + 9, pRect->left + 11,
+                 pRect->top + 9);
+    pGraphics->SaveGraphState();
+    pGraphics->SetLineWidth(2);
+    CFX_Color crStroke(0xFFFFFFFF);
+    pGraphics->SetStrokeColor(&crStroke);
+    pGraphics->StrokePath(&path, pMatrix);
+    pGraphics->SetLineWidth(1);
+    path.Clear();
+    path.AddLine(pRect->left + 4, pRect->top + 10, pRect->left + 4,
+                 pRect->top + 14);
+    path.AddLine(pRect->left + 10, pRect->top + 10, pRect->left + 10,
+                 pRect->top + 14);
+    path.AddLine(pRect->left + 13, pRect->top + 7, pRect->left + 13,
+                 pRect->top + 11);
+    path.AddLine(pRect->left + 4, pRect->top + 14, pRect->left + 10,
+                 pRect->top + 14);
+    path.AddLine(pRect->left + 12, pRect->top + 11, pRect->left + 12,
+                 pRect->top + 11);
+    pGraphics->StrokePath(&path, pMatrix);
+    pGraphics->RestoreGraphState();
+  } else {
+    CFX_RectF rtMax(*pRect);
+    rtMax.Inflate(-5, -5);
+    CFX_Path path;
+    path.Create();
+    path.AddRectangle(pRect->left + 5, pRect->top + 5, fWidth - 10,
+                      fHeight - 10);
+    path.AddRectangle(pRect->left + 6, pRect->top + 8, fWidth - 12,
+                      fHeight - 14);
+    pGraphics->SaveGraphState();
+    CFX_Color crFill(0xFFFFFFFF);
+    pGraphics->SetFillColor(&crFill);
+    pGraphics->FillPath(&path, FXFILL_ALTERNATE, pMatrix);
+    pGraphics->RestoreGraphState();
+  }
+}
+void CFWL_FormTP::DrawIconImage(CFX_Graphics* pGraphics,
+                                CFX_DIBitmap* pDIBitmap,
+                                const CFX_RectF* pRect,
+                                FWLTHEME_STATE eState,
+                                CFX_Matrix* pMatrix,
+                                int32_t iActive) {
+  pGraphics->StretchImage(pDIBitmap, *pRect, pMatrix);
+}
+void CFWL_FormTP::SetThemeData(FX_DWORD dwID) {
+  m_pThemeData->clrTransWhite = ArgbEncode(0x65, 255, 255, 255);
+  m_pThemeData->clrCloseBtBKStart[0][0] = ArgbEncode(0xff, 240, 166, 148);
+  m_pThemeData->clrCloseBtBKEnd[0][0] = ArgbEncode(0xff, 228, 61, 5);
+  m_pThemeData->clrCloseBtBKStart[0][1] = ArgbEncode(0xff, 255, 184, 176);
+  m_pThemeData->clrCloseBtBKEnd[0][1] = ArgbEncode(0xff, 252, 107, 71);
+  m_pThemeData->clrCloseBtBKStart[0][2] = ArgbEncode(0xff, 141, 44, 20);
+  m_pThemeData->clrCloseBtBKEnd[0][2] = ArgbEncode(0xff, 202, 72, 33);
+  m_pThemeData->clrCloseBtEdgeLight[0][0] = ArgbEncode(0xff, 255, 122, 107);
+  m_pThemeData->clrCloseBtEdgeDark[0][0] = ArgbEncode(0xff, 218, 77, 54);
+  m_pThemeData->clrCloseBtEdgeLight[0][1] = ArgbEncode(0xff, 255, 93, 74);
+  m_pThemeData->clrCloseBtEdgeDark[0][1] = ArgbEncode(0xff, 218, 74, 51);
+  m_pThemeData->clrCloseBtEdgeLight[0][2] = ArgbEncode(0xff, 191, 61, 28);
+  m_pThemeData->clrCloseBtEdgeDark[0][2] = ArgbEncode(0xff, 93, 30, 13);
+  if (dwID) {
+    m_pThemeData->clrHeadBK[0][0] = ArgbEncode(0xff, 194, 205, 149);
+    m_pThemeData->clrHeadBK[0][1] = ArgbEncode(0xff, 170, 184, 131);
+    m_pThemeData->clrHeadBK[0][2] = ArgbEncode(0xff, 168, 182, 128);
+    m_pThemeData->clrHeadBK[0][3] = ArgbEncode(0xff, 194, 205, 149);
+    m_pThemeData->clrHeadEdgeLeft[0][0] = ArgbEncode(0xff, 117, 141, 94);
+    m_pThemeData->clrHeadEdgeLeft[0][1] = ArgbEncode(0xff, 139, 161, 105);
+    m_pThemeData->clrHeadEdgeLeft[0][2] = ArgbEncode(0xff, 171, 189, 133);
+    m_pThemeData->clrHeadEdgeRight[0][0] = ArgbEncode(0xff, 155, 175, 125);
+    m_pThemeData->clrHeadEdgeRight[0][1] = ArgbEncode(0xff, 128, 146, 103);
+    m_pThemeData->clrHeadEdgeRight[0][2] = ArgbEncode(0xff, 94, 118, 79);
+    m_pThemeData->clrHeadEdgeTop[0][0] = ArgbEncode(0xff, 139, 161, 105);
+    m_pThemeData->clrHeadEdgeTop[0][1] = ArgbEncode(0xff, 234, 245, 201);
+    m_pThemeData->clrHeadEdgeTop[0][2] = ArgbEncode(0xff, 194, 205, 149);
+    m_pThemeData->clrHeadEdgeBottom[0][0] = ArgbEncode(0xff, 175, 189, 133);
+    m_pThemeData->clrHeadEdgeBottom[0][1] = ArgbEncode(0xff, 153, 168, 121);
+    m_pThemeData->clrHeadEdgeBottom[0][2] = ArgbEncode(0xff, 150, 168, 103);
+    m_pThemeData->clrNormalBtBKStart[0][0] = ArgbEncode(0xff, 182, 195, 162);
+    m_pThemeData->clrNormalBtBKEnd[0][0] = ArgbEncode(0xff, 128, 144, 84);
+    m_pThemeData->clrNormalBtBKStart[0][1] = ArgbEncode(0xff, 234, 241, 208);
+    m_pThemeData->clrNormalBtBKEnd[0][1] = ArgbEncode(0xff, 169, 186, 112);
+    m_pThemeData->clrNormalBtBKStart[0][2] = ArgbEncode(0xff, 199, 199, 190);
+    m_pThemeData->clrNormalBtBKEnd[0][2] = ArgbEncode(0xff, 133, 148, 88);
+    m_pThemeData->clrNormalBtEdgeLight[0][0] = ArgbEncode(0xff, 163, 176, 137);
+    m_pThemeData->clrNormalBtEdgeDark[0][0] = ArgbEncode(0xff, 118, 135, 83);
+    m_pThemeData->clrNormalBtEdgeLight[0][1] = ArgbEncode(0xff, 154, 174, 105);
+    m_pThemeData->clrNormalBtEdgeDark[0][1] = ArgbEncode(0xff, 154, 174, 105);
+    m_pThemeData->clrNormalBtEdgeLight[0][2] = ArgbEncode(0xff, 172, 193, 123);
+    m_pThemeData->clrNormalBtEdgeDark[0][2] = ArgbEncode(0xff, 154, 174, 105);
+    m_pThemeData->clrBtnCornerLight[0][0] = ArgbEncode(0xff, 220, 220, 220);
+    m_pThemeData->clrBtnCornerLight[0][1] = ArgbEncode(0xff, 255, 255, 255);
+    m_pThemeData->clrBtnCornerLight[0][2] = ArgbEncode(0xff, 225, 225, 225);
+    m_pThemeData->clrBtnEdgeOut[0] = ArgbEncode(0xff, 255, 255, 255);
+    m_pThemeData->clrFormBorder[0][0] = ArgbEncode(0xff, 117, 141, 94);
+    m_pThemeData->clrFormBorder[0][1] = ArgbEncode(0xff, 139, 161, 105);
+    m_pThemeData->clrFormBorder[0][2] = ArgbEncode(0xff, 171, 189, 133);
+    m_pThemeData->clrFormBorder[0][3] = ArgbEncode(0xff, 164, 178, 127);
+    m_pThemeData->clrFormBorder[0][4] = ArgbEncode(0xff, 255, 255, 255);
+    m_pThemeData->clrFormBorderLight[0] = ArgbEncode(0xff, 171, 189, 133);
+  } else {
+    m_pThemeData->clrHeadBK[0][0] = ArgbEncode(0xff, 3, 114, 255);
+    m_pThemeData->clrHeadBK[0][1] = ArgbEncode(0xff, 0, 85, 226);
+    m_pThemeData->clrHeadBK[0][2] = ArgbEncode(0xff, 0, 85, 226);
+    m_pThemeData->clrHeadBK[0][3] = ArgbEncode(0xff, 3, 114, 255);
+    m_pThemeData->clrHeadEdgeLeft[0][2] = ArgbEncode(0xff, 0, 32, 200);
+    m_pThemeData->clrHeadEdgeLeft[0][1] = ArgbEncode(0xff, 0, 61, 220);
+    m_pThemeData->clrHeadEdgeLeft[0][0] = ArgbEncode(0xff, 0, 54, 210);
+    m_pThemeData->clrHeadEdgeRight[0][0] = ArgbEncode(0xff, 0, 56, 234);
+    m_pThemeData->clrHeadEdgeRight[0][1] = ArgbEncode(0xff, 0, 50, 193);
+    m_pThemeData->clrHeadEdgeRight[0][2] = ArgbEncode(0xff, 0, 19, 139);
+    m_pThemeData->clrHeadEdgeTop[0][0] = ArgbEncode(0xff, 0, 88, 238);
+    m_pThemeData->clrHeadEdgeTop[0][1] = ArgbEncode(0xff, 63, 151, 255);
+    m_pThemeData->clrHeadEdgeTop[0][2] = ArgbEncode(0xff, 3, 114, 255);
+    m_pThemeData->clrHeadEdgeBottom[0][0] = ArgbEncode(0xff, 0, 96, 252);
+    m_pThemeData->clrHeadEdgeBottom[0][1] = ArgbEncode(0xff, 63, 151, 255);
+    m_pThemeData->clrHeadEdgeBottom[0][2] = ArgbEncode(0xff, 0, 67, 207);
+    m_pThemeData->clrNormalBtBKStart[0][2] = ArgbEncode(0xff, 0, 49, 112);
+    m_pThemeData->clrNormalBtBKEnd[0][2] = ArgbEncode(0xff, 0, 87, 188);
+    m_pThemeData->clrNormalBtBKStart[0][0] = ArgbEncode(0xff, 154, 183, 250);
+    m_pThemeData->clrNormalBtBKEnd[0][0] = ArgbEncode(0xff, 17, 110, 248);
+    m_pThemeData->clrNormalBtBKStart[0][1] = ArgbEncode(0xff, 164, 194, 255);
+    m_pThemeData->clrNormalBtBKEnd[0][1] = ArgbEncode(0xff, 29, 158, 255);
+    m_pThemeData->clrNormalBtEdgeLight[0][0] = ArgbEncode(0xff, 68, 120, 245);
+    m_pThemeData->clrNormalBtEdgeDark[0][0] = ArgbEncode(0xff, 24, 72, 187);
+    m_pThemeData->clrNormalBtEdgeLight[0][1] = ArgbEncode(0xff, 72, 122, 245);
+    m_pThemeData->clrNormalBtEdgeDark[0][1] = ArgbEncode(0xff, 35, 87, 195);
+    m_pThemeData->clrNormalBtEdgeLight[0][2] = ArgbEncode(0xff, 60, 114, 244);
+    m_pThemeData->clrNormalBtEdgeDark[0][2] = ArgbEncode(0xff, 21, 70, 185);
+    m_pThemeData->clrBtnCornerLight[0][0] = ArgbEncode(0xff, 220, 220, 220);
+    m_pThemeData->clrBtnCornerLight[0][1] = ArgbEncode(0xff, 255, 255, 255);
+    m_pThemeData->clrBtnCornerLight[0][2] = ArgbEncode(0xff, 225, 225, 225);
+    m_pThemeData->clrBtnEdgeOut[0] = ArgbEncode(0xff, 255, 255, 255);
+    m_pThemeData->clrFormBorder[0][0] = ArgbEncode(0xff, 0, 72, 241);
+    m_pThemeData->clrFormBorder[0][1] = ArgbEncode(0xff, 0, 61, 220);
+    m_pThemeData->clrFormBorder[0][2] = ArgbEncode(0xff, 0, 30, 160);
+    m_pThemeData->clrFormBorder[0][3] = ArgbEncode(0xff, 0, 19, 140);
+    m_pThemeData->clrFormBorder[0][4] = ArgbEncode(0xff, 255, 255, 255);
+    m_pThemeData->clrFormBorderLight[0] = ArgbEncode(0xff, 22, 106, 239);
+  }
+  m_pThemeData->clrCloseBtBKStart[1][0] = m_pThemeData->clrCloseBtBKStart[0][0];
+  m_pThemeData->clrCloseBtBKEnd[1][0] = m_pThemeData->clrCloseBtBKEnd[0][0];
+  m_pThemeData->clrCloseBtBKStart[1][1] = m_pThemeData->clrCloseBtBKStart[0][1];
+  m_pThemeData->clrCloseBtBKEnd[1][1] = m_pThemeData->clrCloseBtBKEnd[0][1];
+  m_pThemeData->clrCloseBtBKStart[1][2] = m_pThemeData->clrCloseBtBKStart[0][2];
+  m_pThemeData->clrCloseBtBKEnd[1][2] = m_pThemeData->clrCloseBtBKEnd[0][2];
+  m_pThemeData->clrCloseBtEdgeLight[1][0] =
+      m_pThemeData->clrCloseBtEdgeLight[0][0];
+  m_pThemeData->clrCloseBtEdgeDark[1][0] =
+      m_pThemeData->clrCloseBtEdgeDark[0][0];
+  m_pThemeData->clrCloseBtEdgeLight[1][1] =
+      m_pThemeData->clrCloseBtEdgeLight[0][1];
+  m_pThemeData->clrCloseBtEdgeDark[1][1] =
+      m_pThemeData->clrCloseBtEdgeDark[0][1];
+  m_pThemeData->clrCloseBtEdgeLight[1][2] =
+      m_pThemeData->clrCloseBtEdgeLight[0][2];
+  m_pThemeData->clrCloseBtEdgeDark[1][2] =
+      m_pThemeData->clrCloseBtEdgeDark[0][2];
+  m_pThemeData->clrHeadBK[1][0] = m_pThemeData->clrHeadBK[0][0];
+  m_pThemeData->clrHeadBK[1][1] = m_pThemeData->clrHeadBK[0][1];
+  m_pThemeData->clrHeadBK[1][2] = m_pThemeData->clrHeadBK[0][2];
+  m_pThemeData->clrHeadBK[1][3] = m_pThemeData->clrHeadBK[0][3];
+  m_pThemeData->clrHeadEdgeLeft[1][2] = m_pThemeData->clrHeadEdgeLeft[0][2];
+  m_pThemeData->clrHeadEdgeLeft[1][1] = m_pThemeData->clrHeadEdgeLeft[0][1];
+  m_pThemeData->clrHeadEdgeLeft[1][0] = m_pThemeData->clrHeadEdgeLeft[0][0];
+  m_pThemeData->clrHeadEdgeRight[1][0] = m_pThemeData->clrHeadEdgeRight[0][0];
+  m_pThemeData->clrHeadEdgeRight[1][1] = m_pThemeData->clrHeadEdgeRight[0][1];
+  m_pThemeData->clrHeadEdgeRight[1][2] = m_pThemeData->clrHeadEdgeRight[0][2];
+  m_pThemeData->clrHeadEdgeTop[1][0] = m_pThemeData->clrHeadEdgeTop[0][0];
+  m_pThemeData->clrHeadEdgeTop[1][1] = m_pThemeData->clrHeadEdgeTop[0][1];
+  m_pThemeData->clrHeadEdgeTop[1][2] = m_pThemeData->clrHeadEdgeTop[0][2];
+  m_pThemeData->clrHeadEdgeBottom[1][0] = m_pThemeData->clrHeadEdgeBottom[0][0];
+  m_pThemeData->clrHeadEdgeBottom[1][1] = m_pThemeData->clrHeadEdgeBottom[0][1];
+  m_pThemeData->clrHeadEdgeBottom[1][2] = m_pThemeData->clrHeadEdgeBottom[0][2];
+  m_pThemeData->clrNormalBtBKStart[1][2] =
+      m_pThemeData->clrNormalBtBKStart[0][2];
+  m_pThemeData->clrNormalBtBKEnd[1][2] = m_pThemeData->clrNormalBtBKEnd[0][2];
+  m_pThemeData->clrNormalBtBKStart[1][0] =
+      m_pThemeData->clrNormalBtBKStart[0][0];
+  m_pThemeData->clrNormalBtBKEnd[1][0] = m_pThemeData->clrNormalBtBKEnd[1][0];
+  m_pThemeData->clrNormalBtBKStart[1][1] =
+      m_pThemeData->clrNormalBtBKStart[0][1];
+  m_pThemeData->clrNormalBtBKEnd[1][1] = m_pThemeData->clrNormalBtBKEnd[0][1];
+  m_pThemeData->clrNormalBtEdgeLight[1][0] =
+      m_pThemeData->clrNormalBtEdgeLight[0][0];
+  m_pThemeData->clrNormalBtEdgeDark[1][0] =
+      m_pThemeData->clrNormalBtEdgeDark[0][0];
+  m_pThemeData->clrNormalBtEdgeLight[1][1] =
+      m_pThemeData->clrNormalBtEdgeLight[0][1];
+  m_pThemeData->clrNormalBtEdgeDark[1][1] =
+      m_pThemeData->clrNormalBtEdgeDark[0][1];
+  m_pThemeData->clrNormalBtEdgeLight[1][2] =
+      m_pThemeData->clrNormalBtEdgeLight[0][2];
+  m_pThemeData->clrNormalBtEdgeDark[1][2] =
+      m_pThemeData->clrNormalBtEdgeDark[0][2];
+  m_pThemeData->clrBtnCornerLight[1][0] = m_pThemeData->clrBtnCornerLight[0][0];
+  m_pThemeData->clrBtnCornerLight[1][1] = m_pThemeData->clrBtnCornerLight[0][1];
+  m_pThemeData->clrBtnCornerLight[1][2] = m_pThemeData->clrBtnCornerLight[0][2];
+  m_pThemeData->clrBtnEdgeOut[1] = m_pThemeData->clrBtnEdgeOut[0];
+  m_pThemeData->clrFormBorder[1][0] = m_pThemeData->clrFormBorder[0][0];
+  m_pThemeData->clrFormBorder[1][1] = m_pThemeData->clrFormBorder[0][1];
+  m_pThemeData->clrFormBorder[1][2] = m_pThemeData->clrFormBorder[0][2];
+  m_pThemeData->clrFormBorder[1][3] = m_pThemeData->clrFormBorder[0][3];
+  m_pThemeData->clrFormBorder[1][4] = m_pThemeData->clrFormBorder[0][4];
+  m_pThemeData->clrFormBorderLight[1] = m_pThemeData->clrFormBorderLight[0];
+  DeactiveForm();
+}
+void CFWL_FormTP::DeactiveForm() {
+  TransModeColor(m_pThemeData->clrTransWhite, m_pThemeData->clrHeadBK[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite, m_pThemeData->clrHeadBK[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite, m_pThemeData->clrHeadBK[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite, m_pThemeData->clrHeadBK[1][3]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeLeft[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeLeft[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeLeft[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeRight[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeRight[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeRight[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeTop[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeTop[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeTop[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeBottom[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeBottom[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrHeadEdgeBottom[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtBKStart[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtBKStart[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtBKStart[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtBKEnd[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtBKEnd[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtBKEnd[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtEdgeLight[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtEdgeLight[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtEdgeLight[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtEdgeDark[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtEdgeDark[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrNormalBtEdgeDark[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrBtnCornerLight[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrBtnCornerLight[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrBtnCornerLight[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite, m_pThemeData->clrBtnEdgeOut[1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrFormBorder[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrFormBorder[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrFormBorder[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrFormBorder[1][3]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrFormBorder[1][4]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrFormBorderLight[1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtBKStart[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtBKStart[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtBKStart[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtBKEnd[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtBKEnd[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtBKEnd[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtEdgeLight[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtEdgeLight[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtEdgeLight[1][2]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtEdgeDark[1][0]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtEdgeDark[1][1]);
+  TransModeColor(m_pThemeData->clrTransWhite,
+                 m_pThemeData->clrCloseBtEdgeDark[1][2]);
+}
+void CFWL_FormTP::TransModeColor(FX_ARGB clrFore, FX_ARGB& clrBack) {
+  int32_t iAlfaF, iRF, iGF, iBF;
+  int32_t iAlfaB, iRB, iGB, iBB;
+  ArgbDecode(clrFore, iAlfaF, iRF, iGF, iBF);
+  ArgbDecode(clrBack, iAlfaB, iRB, iGB, iBB);
+  clrBack = ArgbEncode(0xff, iRB + (iRF - iRB) * iAlfaF / 255,
+                       iGB + (iGF - iGB) * iAlfaF / 255,
+                       iBB + (iBF - iBB) * iAlfaF / 255);
+}
+void CFWL_FormTP::InitCaption(FX_BOOL bActive) {
+  if (bActive) {
+    CFX_FxgeDevice dev;
+    CFX_Graphics gs;
+    CFX_Path path;
+    path.Create();
+    if (m_pActiveBitmap) {
+      delete m_pActiveBitmap;
+      m_pActiveBitmap = NULL;
+    }
+    m_pActiveBitmap = new CFX_DIBitmap;
+    m_pActiveBitmap->Create(1, FWLTHEME_CAPACITY_CYCaption, FXDIB_Argb);
+    dev.Attach(m_pActiveBitmap);
+    gs.Create(&dev);
+    path.AddRectangle(0, 0, 1, 5);
+    DrawAxialShading(&gs, 0, 0, 0, 5, m_pThemeData->clrHeadBK[0][0],
+                     m_pThemeData->clrHeadBK[0][1], &path);
+    path.Clear();
+    path.AddRectangle(0, 5, 1, 15);
+    DrawAxialShading(&gs, 0, 5, 0, 20, m_pThemeData->clrHeadBK[0][1],
+                     m_pThemeData->clrHeadBK[0][2], &path);
+    path.Clear();
+    path.AddRectangle(0, 20, 1, FWLTHEME_CAPACITY_CYCaption - 19);
+    DrawAxialShading(&gs, 0, 20, 0, FWLTHEME_CAPACITY_CYCaption,
+                     m_pThemeData->clrHeadBK[0][2],
+                     m_pThemeData->clrHeadBK[0][3], &path);
+  } else {
+    CFX_FxgeDevice dev;
+    CFX_Graphics gs;
+    CFX_Path path;
+    path.Create();
+    if (m_pDeactivebitmap) {
+      delete m_pDeactivebitmap;
+      m_pDeactivebitmap = NULL;
+    }
+    m_pDeactivebitmap = new CFX_DIBitmap;
+    m_pDeactivebitmap->Create(1, FWLTHEME_CAPACITY_CYCaption, FXDIB_Argb);
+    dev.Attach(m_pDeactivebitmap);
+    gs.Create(&dev);
+    path.AddRectangle(0, 0, 1, 5);
+    DrawAxialShading(&gs, 0, 0, 0, 5, m_pThemeData->clrHeadBK[1][0],
+                     m_pThemeData->clrHeadBK[1][1], &path);
+    path.Clear();
+    path.AddRectangle(0, 5, 1, 15);
+    DrawAxialShading(&gs, 0, 5, 0, 20, m_pThemeData->clrHeadBK[1][1],
+                     m_pThemeData->clrHeadBK[1][2], &path);
+    path.Clear();
+    path.AddRectangle(0, 20, 1, FWLTHEME_CAPACITY_CYCaption - 19);
+    DrawAxialShading(&gs, 0, 20, 0, FWLTHEME_CAPACITY_CYCaption,
+                     m_pThemeData->clrHeadBK[1][2],
+                     m_pThemeData->clrHeadBK[1][3], &path);
+  }
+}
diff --git a/xfa/fwl/theme/listboxtp.cpp b/xfa/fwl/theme/listboxtp.cpp
new file mode 100644
index 0000000000..8ffe669835
--- /dev/null
+++ b/xfa/fwl/theme/listboxtp.cpp
@@ -0,0 +1,101 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/listboxtp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_listbox.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_ListBoxTP::CFWL_ListBoxTP() {}
+CFWL_ListBoxTP::~CFWL_ListBoxTP() {}
+
+FX_BOOL CFWL_ListBoxTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_ListBox;
+}
+FX_BOOL CFWL_ListBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_LTB_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_LTB_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_LTB_Background: {
+      FillSoildRect(pParams->m_pGraphics, ArgbEncode(255, 255, 255, 255),
+                    &pParams->m_rtPart, &pParams->m_matrix);
+      if (pParams->m_pData) {
+        FillSoildRect(pParams->m_pGraphics, FWLTHEME_COLOR_Background,
+                      (CFX_RectF*)pParams->m_pData, &pParams->m_matrix);
+      }
+      break;
+    }
+    case FWL_PART_LTB_ListItem: {
+      DrawListBoxItem(pParams->m_pGraphics, pParams->m_dwStates,
+                      &pParams->m_rtPart, pParams->m_pData, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_LTB_Icon: {
+      pParams->m_pGraphics->StretchImage(pParams->m_pImage, pParams->m_rtPart,
+                                         &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_LTB_Check: {
+      FX_DWORD color = 0xFF000000;
+      if (pParams->m_dwStates == FWL_PARTSTATE_LTB_Checked) {
+        color = 0xFFFF0000;
+      } else if (pParams->m_dwStates == FWL_PARTSTATE_LTB_UnChecked) {
+        color = 0xFF0000FF;
+      }
+      FillSoildRect(pParams->m_pGraphics, color, &pParams->m_rtPart,
+                    &pParams->m_matrix);
+    }
+    default: {}
+  }
+  return TRUE;
+}
+FWL_ERR CFWL_ListBoxTP::Initialize() {
+  InitTTO();
+  return CFWL_WidgetTP::Initialize();
+}
+FWL_ERR CFWL_ListBoxTP::Finalize() {
+  FinalizeTTO();
+  return CFWL_WidgetTP::Finalize();
+}
+void CFWL_ListBoxTP::DrawListBoxItem(CFX_Graphics* pGraphics,
+                                     FX_DWORD dwStates,
+                                     const CFX_RectF* prtItem,
+                                     void* pData,
+                                     CFX_Matrix* pMatrix) {
+  if (dwStates & FWL_PARTSTATE_LTB_Selected) {
+    pGraphics->SaveGraphState();
+    CFX_Color crFill(FWL_GetThemeColor(m_dwThemeID) == 0
+                         ? FWLTHEME_COLOR_BKSelected
+                         : FWLTHEME_COLOR_Green_BKSelected);
+    pGraphics->SetFillColor(&crFill);
+    CFX_RectF rt(*prtItem);
+    CFX_Path path;
+    path.Create();
+#if (_FX_OS_ == _FX_MACOSX_)
+    path.AddRectangle(rt.left, rt.top, rt.width - 1, rt.height - 1);
+#else
+    path.AddRectangle(rt.left, rt.top, rt.width, rt.height);
+#endif
+    pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+    pGraphics->RestoreGraphState();
+  }
+  if (dwStates & FWL_PARTSTATE_LTB_Focused) {
+    if (pData) {
+      DrawFocus(pGraphics, (CFX_RectF*)pData, pMatrix);
+    }
+  }
+}
diff --git a/xfa/fwl/theme/monthcalendartp.cpp b/xfa/fwl/theme/monthcalendartp.cpp
new file mode 100644
index 0000000000..6ab99ae439
--- /dev/null
+++ b/xfa/fwl/theme/monthcalendartp.cpp
@@ -0,0 +1,582 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/monthcalendartp.h"
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/include/fwl/basewidget/fwl_monthcalendar.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+#define FWL_THEMECAPACITY_MC_HEADER_WIDTH 200
+#define FWL_THEMECAPACITY_MC_HEADER_HEIGHT 30
+#define FWL_THEMECAPACITY_MC_HEADER_BTN_WIDTH 18
+#define FWL_THEMECAPACITY_MC_HEADER_BTN_HEIGHT 16
+#define FWL_THEMECAPACITY_MC_HEADER_BTN_HMARGIN 5
+#define FWL_THEMECAPACITY_MC_HEADER_BTN_VMARGIN \
+  (FWL_THEMECAPACITY_MC_HEADER_HEIGHT -         \
+   FWL_THEMECAPACITY_MC_HEADER_BTN_HEIGHT) /    \
+      2
+#define FWL_THEMECAPACITY_MC_HEADER_TEXTWIDHT 100
+#define FWL_THEMECAPACITY_MC_HEADER_TEXTHEIGHT 20
+#define FWL_THEMECAPACITY_MC_HEADER_TEXT_HMARGIN \
+  (FWL_THEMECAPACITY_MC_HEADER_WIDTH -           \
+   FWL_THEMECAPACITY_MC_HEADER_TEXTWIDHT) /      \
+      2
+#define FWL_THEMECAPACITY_MC_HEADER_TEXT_VMARGIN \
+  (FWL_THEMECAPACITY_MC_HEADER_HEIGHT -          \
+   FWL_THEMECAPACITY_MC_HEADER_TEXTHEIGHT) /     \
+      2
+#define FWL_THEMECAPACITY_MC_HSEP_WIDTH (FWL_THEMECAPACITY_MC_WEEK_WIDTH - 10)
+#define FWL_THEMECAPACITY_MC_HSEP_HEIGHT 1
+#define FWL_THEMECAPACITY_MC_VSEP_WIDTH 1
+#define FWL_THEMECAPACITY_MC_VSEP_HEIGHT FWL_THEMECAPACITY_MC_WEEKNUM_HEIGHT
+#define FWL_THEMECAPACITY_MC_WEEKNUM_WIDTH 26
+#define FWL_THEMECAPACITY_MC_SEP_DOFFSET -4
+#define FWL_THEMECAPACITY_MC_SEP_X 3
+#define FWL_THEMECAPACITY_MC_SEP_Y                                         \
+  (FWL_THEMECAPACITY_MC_HEADER_HEIGHT + FWL_THEMECAPACITY_MC_WEEK_HEIGHT + \
+   FWL_THEMECAPACITY_MC_SEP_DOFFSET)
+#define FWL_THEMECAPACITY_MC_WEEKNUM_HEIGHT \
+  (6 * FWL_THEMECAPACITY_MC_DATES_CELL_HEIGHT)
+#define FWL_THEMECAPACITY_MC_WEEK_WIDTH \
+  (FWL_THEMECAPACITY_MC_DATES_CELL_WIDTH * 7)
+#define FWL_THEMECAPACITY_MC_WEEK_HEIGHT FWL_THEMECAPACITY_MC_DATES_CELL_HEIGHT
+#define FWL_THEMECAPACITY_MC_DATES_CELL_WIDTH \
+  (FWL_THEMECAPACITY_MC_HEADER_WIDTH / 7)
+#define FWL_THEMECAPACITY_MC_DATES_CELL_HEIGHT 16
+#define FWL_THEMECAPACITY_MC_TODAY_WIDHT FWL_THEMECAPACITY_MC_HEADER_WIDTH
+#define FWL_THEMECAPACITY_MC_TODAY_HEIGHT FWL_THEMECAPACITY_MC_DATES_CELL_HEIGHT
+#define FWL_THEMECAPACITY_MC_TODAY_FLAG_WIDHT \
+  FWL_THEMECAPACITY_MC_DATES_CELL_WIDTH
+#define FWL_MC_WIDTH 200
+#define FWL_MC_HEIGHT 160
+
+CFWL_MonthCalendarTP::CFWL_MonthCalendarTP() {
+  m_pThemeData = new MCThemeData;
+  SetThemeData(0);
+}
+CFWL_MonthCalendarTP::~CFWL_MonthCalendarTP() {
+  delete m_pThemeData;
+}
+FX_BOOL CFWL_MonthCalendarTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_MonthCalendar;
+}
+FX_DWORD CFWL_MonthCalendarTP::SetThemeID(IFWL_Widget* pWidget,
+                                          FX_DWORD dwThemeID,
+                                          FX_BOOL bChildren) {
+  if (m_pThemeData) {
+    SetThemeData(FWL_GetThemeColor(dwThemeID));
+  }
+  return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_MCD_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_Background: {
+      DrawTotalBK(pParams, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_Header: {
+      DrawHeadBk(pParams, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_LBtn: {
+#ifdef THEME_XPSimilar
+      FWLTHEME_STATE eState = GetState(pParams->m_dwStates);
+      DrawArrowBtn(pParams->m_pGraphics, &pParams->m_rtPart,
+                   FWLTHEME_DIRECTION_Left, eState, &pParams->m_matrix);
+#else
+      DrawLButton(pParams, &pParams->m_matrix);
+#endif
+      break;
+    }
+    case FWL_PART_MCD_RBtn: {
+#ifdef THEME_XPSimilar
+      FWLTHEME_STATE eState = GetState(pParams->m_dwStates);
+      DrawArrowBtn(pParams->m_pGraphics, &pParams->m_rtPart,
+                   FWLTHEME_DIRECTION_Right, eState, &pParams->m_matrix);
+#else
+      DrawRButton(pParams, &pParams->m_matrix);
+#endif
+      break;
+    }
+    case FWL_PART_MCD_HSeparator: {
+      DrawHSeperator(pParams, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_DatesIn: {
+      DrawDatesInBK(pParams, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_TodayCircle: {
+      DrawTodayCircle(pParams, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_DateInCircle: {
+      DrawDatesInCircle(pParams, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_MCD_WeekNumSep: {
+      DrawWeekNumSep(pParams, &pParams->m_matrix);
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawText(CFWL_ThemeText* pParams) {
+  if (!m_pTextOut)
+    return FALSE;
+  if ((pParams->m_iPart == FWL_PART_MCD_DatesIn) &&
+      !(pParams->m_dwStates & FWL_ITEMSTATE_MCD_Flag) &&
+      (pParams->m_dwStates &
+       (FWL_PARTSTATE_MCD_Hovered | FWL_PARTSTATE_MCD_Selected))) {
+    m_pTextOut->SetTextColor(0xFFFFFFFF);
+  } else if (pParams->m_iPart == FWL_PART_MCD_Caption) {
+    m_pTextOut->SetTextColor(m_pThemeData->clrCaption);
+  } else {
+    m_pTextOut->SetTextColor(0xFF000000);
+  }
+  return CFWL_WidgetTP::DrawText(pParams);
+}
+void* CFWL_MonthCalendarTP::GetCapacity(CFWL_ThemePart* pThemePart,
+                                        FX_DWORD dwCapacity) {
+  FX_BOOL bDefPro = FALSE;
+  FX_BOOL bDwordVal = FALSE;
+  switch (dwCapacity) {
+    case FWL_WGTCAPACITY_MC_HEADER_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_Height: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_BTN_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_BTN_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_BTN_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_BTN_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_BTN_HMARGIN: {
+      bDwordVal = TRUE;
+      m_dwValue = FWL_THEMECAPACITY_MC_HEADER_BTN_HMARGIN;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_BTN_VMARGIN: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_BTN_VMARGIN;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_TEXTWIDHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_TEXTWIDHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_TEXTHEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_TEXTHEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_TEXT_HMARGIN: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_TEXT_HMARGIN;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEADER_TEXT_VMARGIN: {
+      m_fValue = FWL_THEMECAPACITY_MC_HEADER_TEXT_VMARGIN;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HSEP_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_HSEP_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HSEP_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_HSEP_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_VSEP_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_VSEP_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_VSEP_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_VSEP_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_WEEKNUM_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_WEEKNUM_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_WEEKNUM_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_WEEKNUM_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_WEEK_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_WEEK_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_WEEK_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_WEEK_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_SEP_DOFFSET: {
+      m_fValue = FWL_THEMECAPACITY_MC_SEP_DOFFSET;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_SEP_X: {
+      m_fValue = FWL_THEMECAPACITY_MC_SEP_X;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_SEP_Y: {
+      m_fValue = FWL_THEMECAPACITY_MC_SEP_Y;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_DATES_CELL_WIDTH: {
+      m_fValue = FWL_THEMECAPACITY_MC_DATES_CELL_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_DATES_CELL_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_DATES_CELL_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_TODAY_WIDHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_TODAY_WIDHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_TODAY_HEIGHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_TODAY_HEIGHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_TODAY_FLAG_WIDHT: {
+      m_fValue = FWL_THEMECAPACITY_MC_TODAY_FLAG_WIDHT;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_WIDTH: {
+      m_fValue = FWL_MC_WIDTH;
+      break;
+    }
+    case FWL_WGTCAPACITY_MC_HEIGHT: {
+      m_fValue = FWL_MC_HEIGHT;
+      break;
+    }
+    case FWL_MCCAPACITY_Sun: {
+      wsResource = L"Sun";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Mon: {
+      wsResource = L"Mon";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Tue: {
+      wsResource = L"Tue";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Wed: {
+      wsResource = L"Wed";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Thu: {
+      wsResource = L"Thu";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Fri: {
+      wsResource = L"Fri";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Sat: {
+      wsResource = L"Sat";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_January: {
+      wsResource = L"January";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_February: {
+      wsResource = L"February";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_March: {
+      wsResource = L"March";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_April: {
+      wsResource = L"April";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_May: {
+      wsResource = L"May";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_June: {
+      wsResource = L"June";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_July: {
+      wsResource = L"July";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_August: {
+      wsResource = L"August";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_September: {
+      wsResource = L"September";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_October: {
+      wsResource = L"October";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_November: {
+      wsResource = L"November";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_December: {
+      wsResource = L"December";
+      return &wsResource;
+    }
+    case FWL_MCCAPACITY_Today: {
+      wsResource = L"Today";
+      return &wsResource;
+    }
+    default: { bDefPro = TRUE; }
+  }
+  if (!bDefPro) {
+    if (bDwordVal) {
+      return &m_dwValue;
+    }
+    return &m_fValue;
+  }
+  return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
+}
+FWL_ERR CFWL_MonthCalendarTP::Initialize() {
+  InitTTO();
+  return CFWL_WidgetTP::Initialize();
+}
+FWL_ERR CFWL_MonthCalendarTP::Finalize() {
+  FinalizeTTO();
+  return CFWL_WidgetTP::Finalize();
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawTotalBK(CFWL_ThemeBackground* pParams,
+                                          CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtTotal(pParams->m_rtPart);
+  path.AddRectangle(rtTotal.left, rtTotal.top, rtTotal.width, rtTotal.height);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrBK(m_pThemeData->clrBK);
+  pParams->m_pGraphics->SetFillColor(&clrBK);
+  pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawHeadBk(CFWL_ThemeBackground* pParams,
+                                         CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtHead = pParams->m_rtPart;
+  path.AddRectangle(rtHead.left, rtHead.top, rtHead.width, rtHead.height);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrHeadBK(m_pThemeData->clrBK);
+  pParams->m_pGraphics->SetFillColor(&clrHeadBK);
+  pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawLButton(CFWL_ThemeBackground* pParams,
+                                          CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtLBtn;
+  rtLBtn = pParams->m_rtPart;
+  path.AddRectangle(rtLBtn.left, rtLBtn.top, rtLBtn.width, rtLBtn.height);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrLBtnEdge(ArgbEncode(0xff, 205, 219, 243));
+  pParams->m_pGraphics->SetStrokeColor(&clrLBtnEdge);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  if ((pParams->m_dwStates & FWL_PARTSTATE_MCD_Pressed) ==
+      FWL_PARTSTATE_MCD_Pressed) {
+    CFX_Color clrLBtnFill(ArgbEncode(0xff, 174, 198, 242));
+    pParams->m_pGraphics->SetFillColor(&clrLBtnFill);
+    pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  } else {
+    CFX_Color clrLBtnFill(ArgbEncode(0xff, 227, 235, 249));
+    pParams->m_pGraphics->SetFillColor(&clrLBtnFill);
+    pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  }
+  path.Clear();
+  path.MoveTo(rtLBtn.left + rtLBtn.Width() / 3 * 2,
+              rtLBtn.top + rtLBtn.height / 4);
+  path.LineTo(rtLBtn.left + rtLBtn.Width() / 3, rtLBtn.top + rtLBtn.height / 2);
+  path.LineTo(rtLBtn.left + rtLBtn.Width() / 3 * 2,
+              rtLBtn.bottom() - rtLBtn.height / 4);
+  CFX_Color clrFlag(ArgbEncode(0xff, 50, 104, 205));
+  pParams->m_pGraphics->SetStrokeColor(&clrFlag);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawRButton(CFWL_ThemeBackground* pParams,
+                                          CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtRBtn;
+  rtRBtn = pParams->m_rtPart;
+  path.AddRectangle(rtRBtn.left, rtRBtn.top, rtRBtn.width, rtRBtn.height);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrRBtnEdge(ArgbEncode(0xff, 205, 219, 243));
+  pParams->m_pGraphics->SetStrokeColor(&clrRBtnEdge);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  if ((pParams->m_dwStates & FWL_PARTSTATE_MCD_Pressed) ==
+      FWL_PARTSTATE_MCD_Pressed) {
+    CFX_Color clrRBtnFill(ArgbEncode(0xff, 174, 198, 242));
+    pParams->m_pGraphics->SetFillColor(&clrRBtnFill);
+    pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  } else {
+    CFX_Color clrRBtnFill(ArgbEncode(0xff, 227, 235, 249));
+    pParams->m_pGraphics->SetFillColor(&clrRBtnFill);
+    pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  }
+  path.Clear();
+  path.MoveTo(rtRBtn.left + rtRBtn.Width() / 3, rtRBtn.top + rtRBtn.height / 4);
+  path.LineTo(rtRBtn.left + rtRBtn.Width() / 3 * 2,
+              rtRBtn.top + rtRBtn.height / 2);
+  path.LineTo(rtRBtn.left + rtRBtn.Width() / 3,
+              rtRBtn.bottom() - rtRBtn.height / 4);
+  CFX_Color clrFlag(ArgbEncode(0xff, 50, 104, 205));
+  pParams->m_pGraphics->SetStrokeColor(&clrFlag);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawHSeperator(CFWL_ThemeBackground* pParams,
+                                             CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtHSep;
+  rtHSep = pParams->m_rtPart;
+  path.MoveTo(rtHSep.left, rtHSep.top + rtHSep.height / 2);
+  path.LineTo(rtHSep.right(), rtHSep.top + rtHSep.height / 2);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrHSep(m_pThemeData->clrSeperator);
+  pParams->m_pGraphics->SetStrokeColor(&clrHSep);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawWeekNumSep(CFWL_ThemeBackground* pParams,
+                                             CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtWeekSep;
+  rtWeekSep = pParams->m_rtPart;
+  path.MoveTo(rtWeekSep.left, rtWeekSep.top);
+  path.LineTo(rtWeekSep.left, rtWeekSep.bottom());
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrHSep(m_pThemeData->clrSeperator);
+  pParams->m_pGraphics->SetStrokeColor(&clrHSep);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawDatesInBK(CFWL_ThemeBackground* pParams,
+                                            CFX_Matrix* pMatrix) {
+  pParams->m_pGraphics->SaveGraphState();
+  if (pParams->m_dwStates & FWL_PARTSTATE_MCD_Selected) {
+    CFX_Path path;
+    path.Create();
+    CFX_RectF rtSelDay;
+    rtSelDay = pParams->m_rtPart;
+    path.AddRectangle(rtSelDay.left, rtSelDay.top, rtSelDay.width,
+                      rtSelDay.height);
+    CFX_Color clrSelDayBK;
+    clrSelDayBK = m_pThemeData->clrDatesSelectedBK;
+    pParams->m_pGraphics->SetFillColor(&clrSelDayBK);
+    pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  } else if (pParams->m_dwStates & FWL_PARTSTATE_MCD_Hovered) {
+    CFX_Path path;
+    path.Create();
+    CFX_RectF rtSelDay;
+    rtSelDay = pParams->m_rtPart;
+    path.AddRectangle(rtSelDay.left, rtSelDay.top, rtSelDay.width,
+                      rtSelDay.height);
+    CFX_Color clrSelDayBK;
+    clrSelDayBK = m_pThemeData->clrDatesHoverBK;
+    pParams->m_pGraphics->SetFillColor(&clrSelDayBK);
+    pParams->m_pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  }
+  pParams->m_pGraphics->RestoreGraphState();
+  return FALSE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawDatesInCircle(CFWL_ThemeBackground* pParams,
+                                                CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtSelDay;
+  rtSelDay = pParams->m_rtPart;
+  path.AddRectangle(rtSelDay.left, rtSelDay.top, rtSelDay.width,
+                    rtSelDay.height);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrSelDayBK;
+  clrSelDayBK = m_pThemeData->clrDatesCircle;
+  pParams->m_pGraphics->SetStrokeColor(&clrSelDayBK);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FX_BOOL CFWL_MonthCalendarTP::DrawTodayCircle(CFWL_ThemeBackground* pParams,
+                                              CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtTodayCircle;
+  rtTodayCircle = pParams->m_rtPart;
+  path.AddRectangle(rtTodayCircle.left, rtTodayCircle.top, rtTodayCircle.width,
+                    rtTodayCircle.height);
+  pParams->m_pGraphics->SaveGraphState();
+  CFX_Color clrTodayCircle;
+  clrTodayCircle = m_pThemeData->clrDatesCircle;
+  pParams->m_pGraphics->SetStrokeColor(&clrTodayCircle);
+  pParams->m_pGraphics->StrokePath(&path, pMatrix);
+  pParams->m_pGraphics->RestoreGraphState();
+  return TRUE;
+}
+FWLTHEME_STATE CFWL_MonthCalendarTP::GetState(FX_DWORD dwFWLStates) {
+  if (dwFWLStates & FWL_PARTSTATE_MCD_Hovered) {
+    return FWLTHEME_STATE_Hover;
+  } else if (dwFWLStates & FWL_PARTSTATE_MCD_Pressed) {
+    return FWLTHEME_STATE_Pressed;
+  }
+  return FWLTHEME_STATE_Normal;
+}
+void CFWL_MonthCalendarTP::SetThemeData(FX_DWORD dwThemeID) {
+  if (dwThemeID == 0) {
+    m_pThemeData->clrCaption = ArgbEncode(0xff, 0, 153, 255);
+    m_pThemeData->clrSeperator = ArgbEncode(0xff, 141, 161, 239);
+    m_pThemeData->clrDatesHoverBK = ArgbEncode(0xff, 193, 211, 251);
+    m_pThemeData->clrDatesSelectedBK = ArgbEncode(0xff, 173, 188, 239);
+    m_pThemeData->clrDatesCircle = ArgbEncode(0xff, 103, 144, 209);
+    m_pThemeData->clrToday = ArgbEncode(0xff, 0, 0, 0);
+    m_pThemeData->clrBK = ArgbEncode(0xff, 255, 255, 255);
+  } else {
+    m_pThemeData->clrCaption = ArgbEncode(0xff, 128, 128, 0);
+    m_pThemeData->clrSeperator = ArgbEncode(0xff, 128, 128, 64);
+    m_pThemeData->clrDatesHoverBK = ArgbEncode(0xff, 217, 220, 191);
+    m_pThemeData->clrDatesSelectedBK = ArgbEncode(0xff, 204, 208, 183);
+    m_pThemeData->clrDatesCircle = ArgbEncode(0xff, 128, 128, 0);
+    m_pThemeData->clrToday = ArgbEncode(0xff, 0, 0, 0);
+    m_pThemeData->clrBK = ArgbEncode(0xff, 255, 255, 255);
+  }
+}
diff --git a/xfa/fwl/theme/pictureboxtp.cpp b/xfa/fwl/theme/pictureboxtp.cpp
new file mode 100644
index 0000000000..5d7c079e86
--- /dev/null
+++ b/xfa/fwl/theme/pictureboxtp.cpp
@@ -0,0 +1,36 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/pictureboxtp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_picturebox.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+CFWL_PictureBoxTP::CFWL_PictureBoxTP() {}
+CFWL_PictureBoxTP::~CFWL_PictureBoxTP() {}
+
+FX_BOOL CFWL_PictureBoxTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_PictureBox;
+}
+FX_BOOL CFWL_PictureBoxTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  switch (pParams->m_iPart) {
+    case FWL_PART_PTB_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_PTB_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
diff --git a/xfa/fwl/theme/pushbuttontp.cpp b/xfa/fwl/theme/pushbuttontp.cpp
new file mode 100644
index 0000000000..76e0eab7dc
--- /dev/null
+++ b/xfa/fwl/theme/pushbuttontp.cpp
@@ -0,0 +1,157 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/pushbuttontp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_pushbutton.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+#define PUSHBUTTON_SIZE_Corner 2
+
+CFWL_PushButtonTP::CFWL_PushButtonTP() {
+  m_pThemeData = new PBThemeData;
+  SetThemeData(0);
+}
+CFWL_PushButtonTP::~CFWL_PushButtonTP() {
+  if (m_pThemeData) {
+    delete m_pThemeData;
+  }
+}
+FX_BOOL CFWL_PushButtonTP::IsValidWidget(IFWL_Widget* pWidget) {
+  return pWidget->GetClassID() == FWL_CLASSHASH_PushButton;
+}
+FX_DWORD CFWL_PushButtonTP::SetThemeID(IFWL_Widget* pWidget,
+                                       FX_DWORD dwThemeID,
+                                       FX_BOOL bChildren) {
+  SetThemeData(FWL_GetThemeColor(dwThemeID));
+  return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
+}
+FX_BOOL CFWL_PushButtonTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  switch (pParams->m_iPart) {
+    case FWL_PART_PSB_Border: {
+      DrawBorder(pParams->m_pGraphics, &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_PSB_Edge: {
+      DrawEdge(pParams->m_pGraphics, pParams->m_pWidget->GetStyles(),
+               &pParams->m_rtPart, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_PSB_Background: {
+      CFX_RectF& rect = pParams->m_rtPart;
+      FX_FLOAT fRight = rect.right();
+      FX_FLOAT fBottom = rect.bottom();
+      CFX_Path strokePath;
+      strokePath.Create();
+      strokePath.MoveTo(rect.left + PUSHBUTTON_SIZE_Corner, rect.top);
+      strokePath.LineTo(fRight - PUSHBUTTON_SIZE_Corner, rect.top);
+      strokePath.LineTo(fRight, rect.top + PUSHBUTTON_SIZE_Corner);
+      strokePath.LineTo(fRight, fBottom - PUSHBUTTON_SIZE_Corner);
+      strokePath.LineTo(fRight - PUSHBUTTON_SIZE_Corner, fBottom);
+      strokePath.LineTo(rect.left + PUSHBUTTON_SIZE_Corner, fBottom);
+      strokePath.LineTo(rect.left, fBottom - PUSHBUTTON_SIZE_Corner);
+      strokePath.LineTo(rect.left, rect.top + PUSHBUTTON_SIZE_Corner);
+      strokePath.LineTo(rect.left + PUSHBUTTON_SIZE_Corner, rect.top);
+      CFX_Path fillPath;
+      fillPath.Create();
+      fillPath.AddSubpath(&strokePath);
+      CFX_Graphics* pGraphics = pParams->m_pGraphics;
+      pGraphics->SaveGraphState();
+      CFX_RectF rtInner(rect);
+      rtInner.Deflate(PUSHBUTTON_SIZE_Corner + 1, PUSHBUTTON_SIZE_Corner + 1,
+                      PUSHBUTTON_SIZE_Corner, PUSHBUTTON_SIZE_Corner);
+      fillPath.AddRectangle(rtInner.left, rtInner.top, rtInner.width,
+                            rtInner.height);
+      int32_t iColor = GetColorID(pParams->m_dwStates);
+      DrawAxialShading(pGraphics, rect.left + PUSHBUTTON_SIZE_Corner, rect.top,
+                       rect.left + PUSHBUTTON_SIZE_Corner, rect.bottom(),
+                       m_pThemeData->clrStart[iColor],
+                       m_pThemeData->clrEnd[iColor], &fillPath,
+                       FXFILL_ALTERNATE, &pParams->m_matrix);
+      CFX_Color crStroke(m_pThemeData->clrBorder[iColor]);
+      pGraphics->SetStrokeColor(&crStroke);
+      pGraphics->StrokePath(&strokePath, &pParams->m_matrix);
+      fillPath.Clear();
+      fillPath.AddRectangle(rtInner.left, rtInner.top, rtInner.width,
+                            rtInner.height);
+      CFX_Color crFill(m_pThemeData->clrFill[iColor]);
+      pGraphics->SetFillColor(&crFill);
+      pGraphics->FillPath(&fillPath, FXFILL_WINDING, &pParams->m_matrix);
+      if (pParams->m_dwStates & FWL_PARTSTATE_PSB_Focused) {
+        rtInner.Inflate(1, 1, 0, 0);
+        DrawFocus(pGraphics, &rtInner, &pParams->m_matrix);
+      }
+      pGraphics->RestoreGraphState();
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
+void* CFWL_PushButtonTP::GetCapacity(CFWL_ThemePart* pThemePart,
+                                     FX_DWORD dwCapacity) {
+  if (dwCapacity == FWL_WGTCAPACITY_PSB_Margin) {
+    m_fValue = 0;
+    return &m_fValue;
+  }
+  return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
+}
+FWL_ERR CFWL_PushButtonTP::Initialize() {
+  InitTTO();
+  return CFWL_WidgetTP::Initialize();
+}
+FWL_ERR CFWL_PushButtonTP::Finalize() {
+  FinalizeTTO();
+  return CFWL_WidgetTP::Finalize();
+}
+void CFWL_PushButtonTP::SetThemeData(FX_DWORD dwID) {
+  if (dwID) {
+    m_pThemeData->clrBorder[0] = ArgbEncode(255, 55, 98, 6);
+    m_pThemeData->clrBorder[1] = ArgbEncode(255, 55, 98, 6);
+    m_pThemeData->clrBorder[2] = ArgbEncode(255, 55, 98, 6);
+    m_pThemeData->clrBorder[3] = ArgbEncode(255, 55, 98, 6);
+    m_pThemeData->clrBorder[4] = ArgbEncode(255, 172, 168, 153);
+    m_pThemeData->clrStart[0] = ArgbEncode(255, 255, 255, 246);
+    m_pThemeData->clrStart[1] = ArgbEncode(255, 223, 205, 180);
+    m_pThemeData->clrStart[2] = ArgbEncode(255, 252, 197, 149);
+    m_pThemeData->clrStart[3] = ArgbEncode(255, 194, 209, 143);
+    m_pThemeData->clrStart[4] = ArgbEncode(255, 216, 216, 216);
+    m_pThemeData->clrEnd[0] = ArgbEncode(255, 227, 209, 184);
+    m_pThemeData->clrEnd[1] = ArgbEncode(255, 248, 244, 228);
+    m_pThemeData->clrEnd[2] = ArgbEncode(255, 207, 114, 37);
+    m_pThemeData->clrEnd[3] = ArgbEncode(255, 144, 193, 84);
+    m_pThemeData->clrEnd[4] = ArgbEncode(255, 172, 168, 153);
+    m_pThemeData->clrFill[0] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrFill[1] = ArgbEncode(255, 226, 225, 218);
+    m_pThemeData->clrFill[2] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrFill[3] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrFill[4] = ArgbEncode(255, 245, 244, 234);
+  } else {
+    m_pThemeData->clrBorder[0] = ArgbEncode(255, 0, 60, 116);
+    m_pThemeData->clrBorder[1] = ArgbEncode(255, 0, 60, 116);
+    m_pThemeData->clrBorder[2] = ArgbEncode(255, 0, 60, 116);
+    m_pThemeData->clrBorder[3] = ArgbEncode(255, 0, 60, 116);
+    m_pThemeData->clrBorder[4] = ArgbEncode(255, 201, 199, 186);
+    m_pThemeData->clrStart[0] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrStart[1] = ArgbEncode(255, 209, 204, 193);
+    m_pThemeData->clrStart[2] = ArgbEncode(255, 255, 240, 207);
+    m_pThemeData->clrStart[3] = ArgbEncode(255, 206, 231, 255);
+    m_pThemeData->clrStart[4] = ArgbEncode(255, 245, 244, 234);
+    m_pThemeData->clrEnd[0] = ArgbEncode(255, 214, 208, 197);
+    m_pThemeData->clrEnd[1] = ArgbEncode(255, 242, 241, 238);
+    m_pThemeData->clrEnd[2] = ArgbEncode(255, 229, 151, 0);
+    m_pThemeData->clrEnd[3] = ArgbEncode(255, 105, 130, 238);
+    m_pThemeData->clrEnd[4] = ArgbEncode(255, 245, 244, 234);
+    m_pThemeData->clrFill[0] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrFill[1] = ArgbEncode(255, 226, 225, 218);
+    m_pThemeData->clrFill[2] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrFill[3] = ArgbEncode(255, 255, 255, 255);
+    m_pThemeData->clrFill[4] = ArgbEncode(255, 245, 244, 234);
+  }
+}
+int32_t CFWL_PushButtonTP::GetColorID(FX_DWORD dwStates) {
+  return dwStates &= FWL_PARTSTATE_PSB_Mask;
+}
diff --git a/xfa/fwl/theme/scrollbartp.cpp b/xfa/fwl/theme/scrollbartp.cpp
new file mode 100644
index 0000000000..424ff549e5
--- /dev/null
+++ b/xfa/fwl/theme/scrollbartp.cpp
@@ -0,0 +1,377 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/scrollbartp.h"
+
+#include "xfa/include/fwl/basewidget/fwl_scrollbar.h"
+#include "xfa/include/fwl/core/fwl_widget.h"
+
+#define FWL_SCROLL_PawLen 12.5f
+
+CFWL_ScrollBarTP::CFWL_ScrollBarTP() {
+  m_pThemeData = new SBThemeData;
+  SetThemeData(0);
+}
+CFWL_ScrollBarTP::~CFWL_ScrollBarTP() {
+  if (m_pThemeData) {
+    delete m_pThemeData;
+    m_pThemeData = NULL;
+  }
+}
+FX_BOOL CFWL_ScrollBarTP::IsValidWidget(IFWL_Widget* pWidget) {
+  if (!pWidget)
+    return FALSE;
+  return pWidget->GetClassID() == FWL_CLASSHASH_ScrollBar;
+}
+void* CFWL_ScrollBarTP::GetCapacity(CFWL_ThemePart* pThemePart,
+                                    FX_DWORD dwCapacity) {
+  if (dwCapacity == FWL_CAPACITY_SCB_Size) {
+    m_fValue = 5;
+    return &m_fValue;
+  }
+  return CFWL_WidgetTP::GetCapacity(pThemePart, dwCapacity);
+}
+FX_DWORD CFWL_ScrollBarTP::SetThemeID(IFWL_Widget* pWidget,
+                                      FX_DWORD dwThemeID,
+                                      FX_BOOL bChildren) {
+  if (m_pThemeData) {
+    SetThemeData(FWL_GetThemeColor(dwThemeID));
+  }
+  return CFWL_WidgetTP::SetThemeID(pWidget, dwThemeID, bChildren);
+}
+FX_BOOL CFWL_ScrollBarTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  if (!pParams)
+    return FALSE;
+  IFWL_Widget* pWidget = pParams->m_pWidget;
+  FWLTHEME_STATE eState = FWLTHEME_STATE_Normal;
+  switch (pParams->m_dwStates & 0x03) {
+    case FWL_PARTSTATE_SCB_Hovered: {
+      eState = FWLTHEME_STATE_Hover;
+      break;
+    }
+    case FWL_PARTSTATE_SCB_Pressed: {
+      eState = FWLTHEME_STATE_Pressed;
+      break;
+    }
+    case FWL_PARTSTATE_SCB_Disabled: {
+      eState = FWLTHEME_STATE_Disabale;
+      break;
+    }
+  }
+  CFX_Graphics* pGraphics = pParams->m_pGraphics;
+  CFX_RectF* pRect = &pParams->m_rtPart;
+  FX_BOOL bVert = pWidget->GetStylesEx();
+  switch (pParams->m_iPart) {
+    case FWL_PART_SCB_ForeArrow: {
+      DrawMaxMinBtn(pGraphics, pRect,
+                    bVert ? FWLTHEME_DIRECTION_Up : FWLTHEME_DIRECTION_Left,
+                    eState, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_SCB_BackArrow: {
+      DrawMaxMinBtn(pGraphics, pRect,
+                    bVert ? FWLTHEME_DIRECTION_Down : FWLTHEME_DIRECTION_Right,
+                    eState, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_SCB_Thumb: {
+      DrawThumbBtn(pGraphics, pRect, bVert, eState, TRUE, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_SCB_LowerTrack: {
+      DrawTrack(pGraphics, pRect, bVert, eState, TRUE, &pParams->m_matrix);
+      break;
+    }
+    case FWL_PART_SCB_UpperTrack: {
+      DrawTrack(pGraphics, pRect, bVert, eState, FALSE, &pParams->m_matrix);
+      break;
+    }
+    default: {}
+  }
+  return TRUE;
+}
+#ifdef THEME_XPSimilar
+void CFWL_ScrollBarTP::DrawThumbBtn(CFX_Graphics* pGraphics,
+                                    const CFX_RectF* pRect,
+                                    FX_BOOL bVert,
+                                    FWLTHEME_STATE eState,
+                                    FX_BOOL bPawButton,
+                                    CFX_Matrix* pMatrix) {
+  if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disabale) {
+    return;
+  }
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rect(*pRect);
+  if (bVert) {
+    rect.Deflate(1, 0);
+    if (rect.IsEmpty(0.1f)) {
+      return;
+    }
+    path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
+    DrawAxialShading(pGraphics, rect.left, rect.top, rect.right(), rect.top,
+                     m_pThemeData->clrBtnBK[eState - 1][0],
+                     m_pThemeData->clrBtnBK[eState - 1][1], &path,
+                     FXFILL_WINDING, pMatrix);
+    CFX_Color rcStroke;
+    rcStroke.Set(m_pThemeData->clrBtnBorder[eState - 1]);
+    pGraphics->SaveGraphState();
+    pGraphics->SetStrokeColor(&rcStroke);
+    pGraphics->StrokePath(&path, pMatrix);
+    pGraphics->RestoreGraphState();
+  } else {
+    rect.Deflate(0, 1);
+    if (rect.IsEmpty(0.1f)) {
+      return;
+    }
+    path.AddRectangle(rect.left, rect.top, rect.width, rect.height);
+    DrawAxialShading(pGraphics, rect.left, rect.top, rect.left, rect.bottom(),
+                     m_pThemeData->clrBtnBK[eState - 1][0],
+                     m_pThemeData->clrBtnBK[eState - 1][1], &path,
+                     FXFILL_WINDING, pMatrix);
+    CFX_Color rcStroke;
+    rcStroke.Set(m_pThemeData->clrBtnBorder[eState - 1]);
+    pGraphics->SaveGraphState();
+    pGraphics->SetStrokeColor(&rcStroke);
+    pGraphics->StrokePath(&path, pMatrix);
+    pGraphics->RestoreGraphState();
+  }
+}
+void CFWL_ScrollBarTP::DrawPaw(CFX_Graphics* pGraphics,
+                               const CFX_RectF* pRect,
+                               FX_BOOL bVert,
+                               FWLTHEME_STATE eState,
+                               CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  if (bVert) {
+    FX_FLOAT fPawLen = FWL_SCROLL_PawLen;
+    if (pRect->width / 2 <= fPawLen) {
+      fPawLen = (pRect->width - 6) / 2;
+    }
+    FX_FLOAT fX = pRect->left + pRect->width / 4;
+    FX_FLOAT fY = pRect->top + pRect->height / 2;
+    path.MoveTo(fX, fY - 4);
+    path.LineTo(fX + fPawLen, fY - 4);
+    path.MoveTo(fX, fY - 2);
+    path.LineTo(fX + fPawLen, fY - 2);
+    path.MoveTo(fX, fY);
+    path.LineTo(fX + fPawLen, fY);
+    path.MoveTo(fX, fY + 2);
+    path.LineTo(fX + fPawLen, fY + 2);
+    CFX_Color clrLight(m_pThemeData->clrPawColorLight[eState - 1]);
+    pGraphics->SetLineWidth(1);
+    pGraphics->SetStrokeColor(&clrLight);
+    pGraphics->StrokePath(&path);
+    fX++;
+    path.Clear();
+    path.MoveTo(fX, fY - 3);
+    path.LineTo(fX + fPawLen, fY - 3);
+    path.MoveTo(fX, fY - 1);
+    path.LineTo(fX + fPawLen, fY - 1);
+    path.MoveTo(fX, fY + 1);
+    path.LineTo(fX + fPawLen, fY + 1);
+    path.MoveTo(fX, fY + 3);
+    path.LineTo(fX + fPawLen, fY + 3);
+    CFX_Color clrDark(m_pThemeData->clrPawColorDark[eState - 1]);
+    pGraphics->SetLineWidth(1);
+    pGraphics->SetStrokeColor(&clrDark);
+    pGraphics->StrokePath(&path, pMatrix);
+  } else {
+    FX_FLOAT fPawLen = FWL_SCROLL_PawLen;
+    if (pRect->height / 2 <= fPawLen) {
+      fPawLen = (pRect->height - 6) / 2;
+    }
+    FX_FLOAT fX = pRect->left + pRect->width / 2;
+    FX_FLOAT fY = pRect->top + pRect->height / 4;
+    path.MoveTo(fX - 4, fY);
+    path.LineTo(fX - 4, fY + fPawLen);
+    path.MoveTo(fX - 2, fY);
+    path.LineTo(fX - 2, fY + fPawLen);
+    path.MoveTo(fX, fY);
+    path.LineTo(fX, fY + fPawLen);
+    path.MoveTo(fX + 2, fY);
+    path.LineTo(fX + 2, fY + fPawLen);
+    CFX_Color clrLight(m_pThemeData->clrPawColorLight[eState - 1]);
+    pGraphics->SetLineWidth(1);
+    pGraphics->SetStrokeColor(&clrLight);
+    pGraphics->StrokePath(&path, pMatrix);
+    fY++;
+    path.Clear();
+    path.MoveTo(fX - 3, fY);
+    path.LineTo(fX - 3, fY + fPawLen);
+    path.MoveTo(fX - 1, fY);
+    path.LineTo(fX - 1, fY + fPawLen);
+    path.MoveTo(fX + 1, fY);
+    path.LineTo(fX + 1, fY + fPawLen);
+    path.MoveTo(fX + 3, fY);
+    path.LineTo(fX + 3, fY + fPawLen);
+    CFX_Color clrDark(m_pThemeData->clrPawColorDark[eState - 1]);
+    pGraphics->SetLineWidth(1);
+    pGraphics->SetStrokeColor(&clrDark);
+    pGraphics->StrokePath(&path, pMatrix);
+  }
+}
+void CFWL_ScrollBarTP::DrawTrack(CFX_Graphics* pGraphics,
+                                 const CFX_RectF* pRect,
+                                 FX_BOOL bVert,
+                                 FWLTHEME_STATE eState,
+                                 FX_BOOL bLowerTrack,
+                                 CFX_Matrix* pMatrix) {
+  if (eState < FWLTHEME_STATE_Normal || eState > FWLTHEME_STATE_Disabale) {
+    return;
+  }
+  pGraphics->SaveGraphState();
+  CFX_Color colorLine(ArgbEncode(255, 238, 237, 229));
+  CFX_Path path;
+  path.Create();
+  FX_FLOAT fRight = pRect->right();
+  FX_FLOAT fBottom = pRect->bottom();
+  if (bVert) {
+    path.AddRectangle(pRect->left, pRect->top, 1, pRect->height);
+    path.AddRectangle(fRight - 1, pRect->top, 1, pRect->height);
+  } else {
+    path.AddRectangle(pRect->left, pRect->top, pRect->width, 1);
+    path.AddRectangle(pRect->left, fBottom - 1, pRect->width, 1);
+  }
+  pGraphics->SetFillColor(&colorLine);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  path.Clear();
+  path.AddRectangle(pRect->left + 1, pRect->top, pRect->width - 2,
+                    pRect->height);
+  FX_FLOAT x1 = bVert ? pRect->left + 1 : pRect->left;
+  FX_FLOAT y1 = bVert ? pRect->top : pRect->top + 1;
+  FX_FLOAT x2 = bVert ? fRight - 1 : pRect->left;
+  FX_FLOAT y2 = bVert ? pRect->top : fBottom - 1;
+  pGraphics->RestoreGraphState();
+  DrawAxialShading(pGraphics, x1, y1, x2, y2, m_pThemeData->clrTrackBKStart,
+                   m_pThemeData->clrTrackBKEnd, &path, FXFILL_WINDING, pMatrix);
+}
+void CFWL_ScrollBarTP::DrawMaxMinBtn(CFX_Graphics* pGraphics,
+                                     const CFX_RectF* pRect,
+                                     FWLTHEME_DIRECTION eDict,
+                                     FWLTHEME_STATE eState,
+                                     CFX_Matrix* pMatrix) {
+  DrawTrack(pGraphics, pRect,
+            eDict == FWLTHEME_DIRECTION_Up || eDict == FWLTHEME_DIRECTION_Down,
+            eState, TRUE, pMatrix);
+  CFX_RectF rtArrowBtn(*pRect);
+  rtArrowBtn.Deflate(1, 1, 1, 1);
+  DrawArrowBtn(pGraphics, &rtArrowBtn, eDict, eState, pMatrix);
+}
+#else
+void CFWL_ScrollBarTP::DrawThumbBtn(CFX_Graphics* pGraphics,
+                                    const CFX_RectF* pRect,
+                                    FX_BOOL bVert,
+                                    FWLTHEME_STATE eState,
+                                    FX_BOOL bPawButton,
+                                    CFX_Matrix* pMatrix) {
+  if (pRect->IsEmpty()) {
+    return;
+  }
+  CFX_RectF rtThumb(*pRect);
+  FX_FLOAT fWidth = 2;
+  Draw3DRect(pGraphics, FWLTHEME_EDGE_Raised, fWidth, pRect,
+             FWLTHEME_COLOR_EDGELT1, FWLTHEME_COLOR_EDGELT2,
+             FWLTHEME_COLOR_EDGERB1, FWLTHEME_COLOR_EDGERB2, pMatrix);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left + fWidth, pRect->top + fWidth,
+                    pRect->width - 2 * fWidth, pRect->height - 2 * fWidth);
+  pGraphics->SaveGraphState();
+  CFX_Color crFill(FWLTHEME_COLOR_Background);
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_ScrollBarTP::DrawTrack(CFX_Graphics* pGraphics,
+                                 const CFX_RectF* pRect,
+                                 FX_BOOL bVert,
+                                 FWLTHEME_STATE eState,
+                                 FX_BOOL bLowerTrack,
+                                 CFX_Matrix* pMatrix) {
+  if (pRect->IsEmpty()) {
+    return;
+  }
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+  pGraphics->SaveGraphState();
+  CFX_Color clrFill(0xFFF0F0F0);
+  pGraphics->SetFillColor(&clrFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_ScrollBarTP::DrawMaxMinBtn(CFX_Graphics* pGraphics,
+                                     const CFX_RectF* pRect,
+                                     FWLTHEME_DIRECTION eDict,
+                                     FWLTHEME_STATE eState,
+                                     CFX_Matrix* pMatrix) {
+  CFX_RectF rtThumb(*pRect);
+  FX_FLOAT fWidth = eState == FWLTHEME_STATE_Pressed ? 1.0f : 2.0f;
+  FWLTHEME_EDGE eType = eState == FWLTHEME_STATE_Pressed ? FWLTHEME_EDGE_Flat
+                                                         : FWLTHEME_EDGE_Raised;
+  Draw3DRect(pGraphics, eType, fWidth, pRect, FWLTHEME_COLOR_EDGELT1,
+             FWLTHEME_COLOR_EDGELT2, FWLTHEME_COLOR_EDGERB1,
+             FWLTHEME_COLOR_EDGERB2, pMatrix);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left + fWidth, pRect->top + fWidth,
+                    pRect->width - 2 * fWidth, pRect->height - 2 * fWidth);
+  pGraphics->SaveGraphState();
+  CFX_Color crFill(FWLTHEME_COLOR_Background);
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+  DrawArrow(pGraphics, pRect, eDict,
+            eState == FWLTHEME_STATE_Disabale ? 0xFFA0A0A0 : 0xFF000000,
+            eState == FWLTHEME_STATE_Pressed, pMatrix);
+}
+#endif
+void CFWL_ScrollBarTP::SetThemeData(FX_DWORD dwID) {
+  m_pThemeData->clrPawColorLight[3] = ArgbEncode(0xff, 208, 223, 172);
+  m_pThemeData->clrPawColorDark[3] = ArgbEncode(0xff, 140, 157, 115);
+  m_pThemeData->clrBtnBK[3][0] = ArgbEncode(0xff, 164, 180, 139);
+  m_pThemeData->clrBtnBK[3][1] = ArgbEncode(0xff, 141, 157, 115);
+  m_pThemeData->clrBtnBorder[3] = ArgbEncode(0xff, 236, 233, 216);
+  if (dwID) {
+    m_pThemeData->clrPawColorLight[0] = ArgbEncode(0xff, 208, 223, 172);
+    m_pThemeData->clrPawColorDark[0] = ArgbEncode(0xff, 140, 157, 115);
+    m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 162, 179, 141);
+    m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 149, 167, 117);
+    m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 142, 153, 125);
+    m_pThemeData->clrPawColorLight[1] = ArgbEncode(0xff, 235, 245, 212);
+    m_pThemeData->clrPawColorDark[1] = ArgbEncode(0xff, 182, 198, 142);
+    m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 200, 213, 170);
+    m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 195, 208, 150);
+    m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 189, 203, 150);
+    m_pThemeData->clrPawColorLight[2] = ArgbEncode(0xff, 208, 223, 172);
+    m_pThemeData->clrPawColorDark[2] = ArgbEncode(0xff, 140, 157, 115);
+    m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 164, 180, 139);
+    m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 141, 157, 115);
+    m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 128, 146, 102);
+    m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236);
+    m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251);
+  } else {
+    m_pThemeData->clrPawColorLight[0] = ArgbEncode(0xff, 238, 244, 254);
+    m_pThemeData->clrPawColorDark[0] = ArgbEncode(0xff, 140, 176, 248);
+    m_pThemeData->clrBtnBK[0][0] = ArgbEncode(0xff, 197, 213, 252);
+    m_pThemeData->clrBtnBK[0][1] = ArgbEncode(0xff, 182, 205, 251);
+    m_pThemeData->clrBtnBorder[0] = ArgbEncode(0xff, 148, 176, 221);
+    m_pThemeData->clrPawColorLight[1] = ArgbEncode(0xff, 252, 253, 255);
+    m_pThemeData->clrPawColorDark[1] = ArgbEncode(0xff, 156, 197, 255);
+    m_pThemeData->clrBtnBK[1][0] = ArgbEncode(0xff, 216, 232, 255);
+    m_pThemeData->clrBtnBK[1][1] = ArgbEncode(0xff, 204, 225, 255);
+    m_pThemeData->clrBtnBorder[1] = ArgbEncode(0xff, 218, 230, 254);
+    m_pThemeData->clrPawColorLight[2] = ArgbEncode(0xff, 207, 221, 253);
+    m_pThemeData->clrPawColorDark[2] = ArgbEncode(0xff, 131, 158, 216);
+    m_pThemeData->clrBtnBK[2][0] = ArgbEncode(0xff, 167, 190, 245);
+    m_pThemeData->clrBtnBK[2][1] = ArgbEncode(0xff, 146, 179, 249);
+    m_pThemeData->clrBtnBorder[2] = ArgbEncode(0xff, 124, 159, 211);
+    m_pThemeData->clrTrackBKStart = ArgbEncode(0xff, 243, 241, 236);
+    m_pThemeData->clrTrackBKEnd = ArgbEncode(0xff, 254, 254, 251);
+  }
+}
diff --git a/xfa/fwl/theme/widgettp.cpp b/xfa/fwl/theme/widgettp.cpp
new file mode 100644
index 0000000000..04b67b3310
--- /dev/null
+++ b/xfa/fwl/theme/widgettp.cpp
@@ -0,0 +1,840 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/include/fwl/theme/widgettp.h"
+
+#include <algorithm>
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/include/fwl/core/fwl_widgetmgr.h"
+
+static void FWL_SetChildThemeID(IFWL_Widget* pParent, FX_DWORD dwThemeID) {
+  IFWL_WidgetMgr* pWidgetMgr = FWL_GetWidgetMgr();
+  IFWL_Widget* pChild =
+      pWidgetMgr->GetWidget(pParent, FWL_WGTRELATION_FirstChild);
+  while (pChild) {
+    IFWL_ThemeProvider* pTheme = pChild->GetThemeProvider();
+    if (pTheme) {
+      pTheme->SetThemeID(pChild, dwThemeID, FALSE);
+    }
+    FWL_SetChildThemeID(pChild, dwThemeID);
+    pChild = pWidgetMgr->GetWidget(pChild, FWL_WGTRELATION_NextSibling);
+  }
+}
+FX_BOOL CFWL_WidgetTP::IsValidWidget(IFWL_Widget* pWidget) {
+  return FALSE;
+}
+FX_DWORD CFWL_WidgetTP::GetThemeID(IFWL_Widget* pWidget) {
+  return m_dwThemeID;
+}
+FX_DWORD CFWL_WidgetTP::SetThemeID(IFWL_Widget* pWidget,
+                                   FX_DWORD dwThemeID,
+                                   FX_BOOL bChildren) {
+  FX_DWORD dwOld = m_dwThemeID;
+  m_dwThemeID = dwThemeID;
+  if (CFWL_ArrowData::IsInstance()) {
+    CFWL_ArrowData::GetInstance()->SetColorData(FWL_GetThemeColor(dwThemeID));
+  }
+  if (bChildren) {
+    FWL_SetChildThemeID(pWidget, dwThemeID);
+  }
+  return dwOld;
+}
+FWL_ERR CFWL_WidgetTP::GetThemeMatrix(IFWL_Widget* pWidget,
+                                      CFX_Matrix& matrix) {
+  matrix.Set(_ctm.a, _ctm.b, _ctm.c, _ctm.d, _ctm.e, _ctm.f);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetTP::SetThemeMatrix(IFWL_Widget* pWidget,
+                                      const CFX_Matrix& matrix) {
+  _ctm.Set(matrix.a, matrix.b, matrix.c, matrix.d, matrix.e, matrix.f);
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_WidgetTP::DrawBackground(CFWL_ThemeBackground* pParams) {
+  return TRUE;
+}
+FX_BOOL CFWL_WidgetTP::DrawText(CFWL_ThemeText* pParams) {
+  if (!m_pTextOut) {
+    InitTTO();
+  }
+  int32_t iLen = pParams->m_wsText.GetLength();
+  if (iLen <= 0)
+    return FALSE;
+  CFX_Graphics* pGraphics = pParams->m_pGraphics;
+  m_pTextOut->SetRenderDevice(pGraphics->GetRenderDevice());
+  m_pTextOut->SetStyles(pParams->m_dwTTOStyles);
+  m_pTextOut->SetAlignment(pParams->m_iTTOAlign);
+  CFX_Matrix* pMatrix = &pParams->m_matrix;
+  pMatrix->Concat(*pGraphics->GetMatrix());
+  m_pTextOut->SetMatrix(*pMatrix);
+  m_pTextOut->DrawLogicText(pParams->m_wsText, iLen, pParams->m_rtPart);
+  return TRUE;
+}
+void* CFWL_WidgetTP::GetCapacity(CFWL_ThemePart* pThemePart,
+                                 FX_DWORD dwCapacity) {
+  switch (dwCapacity) {
+    case FWL_WGTCAPACITY_CXBorder: {
+      m_fValue = FWLTHEME_CAPACITY_CXBorder;
+      break;
+    }
+    case FWL_WGTCAPACITY_CYBorder: {
+      m_fValue = FWLTHEME_CAPACITY_CYBorder;
+      break;
+    }
+    case FWL_WGTCAPACITY_EdgeFlat: {
+      m_fValue = FWLTHEME_CAPACITY_EdgeFlat;
+      break;
+    }
+    case FWL_WGTCAPACITY_EdgeRaised: {
+      m_fValue = FWLTHEME_CAPACITY_EdgeRaised;
+      break;
+    }
+    case FWL_WGTCAPACITY_EdgeSunken: {
+      m_fValue = FWLTHEME_CAPACITY_EdgeSunken;
+      break;
+    }
+    case FWL_WGTCAPACITY_FontSize: {
+      m_fValue = FWLTHEME_CAPACITY_FontSize;
+      break;
+    }
+    case FWL_WGTCAPACITY_TextColor: {
+      m_dwValue = FWLTHEME_CAPACITY_TextColor;
+      return &m_dwValue;
+    }
+    case FWL_WGTCAPACITY_ScrollBarWidth: {
+      m_fValue = FWLTHEME_CAPACITY_ScrollBarWidth;
+      break;
+    }
+    case FWL_WGTCAPACITY_Font: {
+      return m_pFDEFont;
+    }
+    case FWL_WGTCAPACITY_TextSelColor: {
+      m_dwValue = (m_dwThemeID == 0) ? FWLTHEME_CAPACITY_TextSelColor
+                                     : FWLTHEME_COLOR_Green_BKSelected;
+      return &m_dwValue;
+    }
+    case FWL_WGTCAPACITY_LineHeight: {
+      m_fValue = FWLTHEME_CAPACITY_LineHeight;
+      break;
+    }
+    case FWL_WGTCAPACITY_UIMargin: {
+      m_rtMargin.Set(0, 0, 0, 0);
+      return &m_rtMargin;
+    }
+    default: { return NULL; }
+  }
+  return &m_fValue;
+}
+FX_BOOL CFWL_WidgetTP::IsCustomizedLayout(IFWL_Widget* pWidget) {
+  return FWL_GetThemeLayout(m_dwThemeID);
+}
+FWL_ERR CFWL_WidgetTP::GetPartRect(CFWL_ThemePart* pThemePart,
+                                   CFX_RectF& rect) {
+  return FWL_ERR_Succeeded;
+}
+FX_BOOL CFWL_WidgetTP::IsInPart(CFWL_ThemePart* pThemePart,
+                                FX_FLOAT fx,
+                                FX_FLOAT fy) {
+  return TRUE;
+}
+FX_BOOL CFWL_WidgetTP::CalcTextRect(CFWL_ThemeText* pParams, CFX_RectF& rect) {
+  if (!pParams)
+    return FALSE;
+  if (!m_pTextOut)
+    return FALSE;
+  m_pTextOut->SetAlignment(pParams->m_iTTOAlign);
+  m_pTextOut->SetStyles(pParams->m_dwTTOStyles | FDE_TTOSTYLE_ArabicContext);
+  m_pTextOut->CalcLogicSize(pParams->m_wsText, pParams->m_wsText.GetLength(),
+                            rect);
+  return TRUE;
+}
+FWL_ERR CFWL_WidgetTP::Initialize() {
+  m_dwThemeID = 0;
+  _ctm.SetIdentity();
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetTP::Finalize() {
+  if (!m_pTextOut) {
+    FinalizeTTO();
+  }
+  return FWL_ERR_Succeeded;
+}
+CFWL_WidgetTP::~CFWL_WidgetTP() {}
+FWL_ERR CFWL_WidgetTP::SetFont(IFWL_Widget* pWidget,
+                               const FX_WCHAR* strFont,
+                               FX_FLOAT fFontSize,
+                               FX_ARGB rgbFont) {
+  if (!m_pTextOut) {
+    return FWL_ERR_Succeeded;
+  }
+  m_pFDEFont = CFWL_FontManager::GetInstance()->FindFont(strFont, 0, 0);
+  m_pTextOut->SetFont(m_pFDEFont);
+  m_pTextOut->SetFontSize(fFontSize);
+  m_pTextOut->SetTextColor(rgbFont);
+  return FWL_ERR_Succeeded;
+}
+FWL_ERR CFWL_WidgetTP::SetFont(IFWL_Widget* pWidget,
+                               IFX_Font* pFont,
+                               FX_FLOAT fFontSize,
+                               FX_ARGB rgbFont) {
+  if (!m_pTextOut) {
+    return FWL_ERR_Succeeded;
+  }
+  m_pTextOut->SetFont(pFont);
+  m_pTextOut->SetFontSize(fFontSize);
+  m_pTextOut->SetTextColor(rgbFont);
+  return FWL_ERR_Succeeded;
+}
+IFX_Font* CFWL_WidgetTP::GetFont(IFWL_Widget* pWidget) {
+  return m_pFDEFont;
+}
+CFWL_WidgetTP::CFWL_WidgetTP()
+    : m_dwRefCount(1), m_pTextOut(NULL), m_pFDEFont(NULL), m_dwThemeID(0) {}
+FX_ERR CFWL_WidgetTP::InitTTO() {
+  if (m_pTextOut) {
+    return FWL_ERR_Succeeded;
+  }
+  m_pFDEFont =
+      CFWL_FontManager::GetInstance()->FindFont(FX_WSTRC(L"Helvetica"), 0, 0);
+  m_pTextOut = IFDE_TextOut::Create();
+  m_pTextOut->SetFont(m_pFDEFont);
+  m_pTextOut->SetFontSize(FWLTHEME_CAPACITY_FontSize);
+  m_pTextOut->SetTextColor(FWLTHEME_CAPACITY_TextColor);
+  m_pTextOut->SetEllipsisString(L"...");
+  return FWL_ERR_Succeeded;
+}
+FX_ERR CFWL_WidgetTP::FinalizeTTO() {
+  if (m_pTextOut) {
+    m_pTextOut->Release();
+    m_pTextOut = NULL;
+  }
+  return FWL_ERR_Succeeded;
+}
+#ifdef THEME_XPSimilar
+void CFWL_WidgetTP::DrawEdge(CFX_Graphics* pGraphics,
+                             FX_DWORD dwStyles,
+                             const CFX_RectF* pRect,
+                             CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  pGraphics->SaveGraphState();
+  CFX_Color crStroke(FWL_GetThemeColor(m_dwThemeID) == 0
+                         ? ArgbEncode(255, 127, 157, 185)
+                         : FWLTHEME_COLOR_Green_BKSelected);
+  pGraphics->SetStrokeColor(&crStroke);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left, pRect->top, pRect->width - 1,
+                    pRect->height - 1);
+  pGraphics->StrokePath(&path, pMatrix);
+  path.Clear();
+  crStroke = ArgbEncode(255, 255, 255, 255);
+  pGraphics->SetStrokeColor(&crStroke);
+  path.AddRectangle(pRect->left + 1, pRect->top + 1, pRect->width - 3,
+                    pRect->height - 3);
+  pGraphics->StrokePath(&path, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+#else
+void CFWL_WidgetTP::DrawEdge(CFX_Graphics* pGraphics,
+                             FX_DWORD dwStyles,
+                             const CFX_RectF* pRect,
+                             CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  FWLTHEME_EDGE eType;
+  FX_FLOAT fWidth;
+  switch (dwStyles & FWL_WGTSTYLE_EdgeMask) {
+    case FWL_WGTSTYLE_EdgeRaised: {
+      eType = FWLTHEME_EDGE_Raised, fWidth = FWLTHEME_CAPACITY_EdgeRaised;
+      break;
+    }
+    case FWL_WGTSTYLE_EdgeSunken: {
+      eType = FWLTHEME_EDGE_Sunken, fWidth = FWLTHEME_CAPACITY_EdgeSunken;
+      break;
+    }
+    case FWL_WGTSTYLE_EdgeFlat:
+    default: { return; }
+  }
+  Draw3DRect(pGraphics, eType, fWidth, pRect, FWLTHEME_COLOR_EDGELT1,
+             FWLTHEME_COLOR_EDGELT2, FWLTHEME_COLOR_EDGERB1,
+             FWLTHEME_COLOR_EDGERB2, pMatrix);
+}
+#endif
+void CFWL_WidgetTP::Draw3DRect(CFX_Graphics* pGraphics,
+                               FWLTHEME_EDGE eType,
+                               FX_FLOAT fWidth,
+                               const CFX_RectF* pRect,
+                               FX_ARGB cr1,
+                               FX_ARGB cr2,
+                               FX_ARGB cr3,
+                               FX_ARGB cr4,
+                               CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  pGraphics->SaveGraphState();
+  if (eType == FWLTHEME_EDGE_Flat) {
+    CFX_Path path;
+    path.Create();
+    path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+    path.AddRectangle(pRect->left + 1, pRect->top + 1, pRect->width - 2,
+                      pRect->height - 2);
+    CFX_Color cr(ArgbEncode(255, 100, 100, 100));
+    pGraphics->SetFillColor(&cr);
+    pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+    path.Clear();
+    path.AddRectangle(pRect->left + 1, pRect->top + 1, pRect->width - 2,
+                      pRect->height - 2);
+    path.AddRectangle(pRect->left + 2, pRect->top + 2, pRect->width - 4,
+                      pRect->height - 4);
+    cr.Set(0xFFFFFFFF);
+    pGraphics->SetFillColor(&cr);
+    pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  } else {
+    FX_FLOAT fLeft = pRect->left;
+    FX_FLOAT fRight = pRect->right();
+    FX_FLOAT fTop = pRect->top;
+    FX_FLOAT fBottom = pRect->bottom();
+    FX_FLOAT fHalfWidth = fWidth / 2.0f;
+    CFX_Color crLT(eType == FWLTHEME_EDGE_Raised ? cr4 : cr1);
+    pGraphics->SetFillColor(&crLT);
+    CFX_Path pathLT;
+    pathLT.Create();
+    pathLT.MoveTo(fLeft, fBottom - fHalfWidth);
+    pathLT.LineTo(fLeft, fTop);
+    pathLT.LineTo(fRight - fHalfWidth, fTop);
+    pathLT.LineTo(fRight - fHalfWidth, fTop + fHalfWidth);
+    pathLT.LineTo(fLeft + fHalfWidth, fTop + fHalfWidth);
+    pathLT.LineTo(fLeft + fHalfWidth, fBottom - fHalfWidth);
+    pathLT.LineTo(fLeft, fBottom - fHalfWidth);
+    pGraphics->FillPath(&pathLT, FXFILL_WINDING, pMatrix);
+    crLT = CFX_Color(eType == FWLTHEME_EDGE_Raised ? cr3 : cr2);
+    pGraphics->SetFillColor(&crLT);
+    pathLT.Clear();
+    pathLT.MoveTo(fLeft + fHalfWidth, fBottom - fWidth);
+    pathLT.LineTo(fLeft + fHalfWidth, fTop + fHalfWidth);
+    pathLT.LineTo(fRight - fWidth, fTop + fHalfWidth);
+    pathLT.LineTo(fRight - fWidth, fTop + fWidth);
+    pathLT.LineTo(fLeft + fWidth, fTop + fWidth);
+    pathLT.LineTo(fLeft + fWidth, fBottom - fWidth);
+    pathLT.LineTo(fLeft + fHalfWidth, fBottom - fWidth);
+    pGraphics->FillPath(&pathLT, FXFILL_WINDING, pMatrix);
+    CFX_Color crRB(eType == FWLTHEME_EDGE_Raised ? cr1 : cr3);
+    pGraphics->SetFillColor(&crRB);
+    CFX_Path pathRB;
+    pathRB.Create();
+    pathRB.MoveTo(fRight - fHalfWidth, fTop + fHalfWidth);
+    pathRB.LineTo(fRight - fHalfWidth, fBottom - fHalfWidth);
+    pathRB.LineTo(fLeft + fHalfWidth, fBottom - fHalfWidth);
+    pathRB.LineTo(fLeft + fHalfWidth, fBottom - fWidth);
+    pathRB.LineTo(fRight - fWidth, fBottom - fWidth);
+    pathRB.LineTo(fRight - fWidth, fTop + fHalfWidth);
+    pathRB.LineTo(fRight - fHalfWidth, fTop + fHalfWidth);
+    pGraphics->FillPath(&pathRB, FXFILL_WINDING, pMatrix);
+    crRB = CFX_Color(eType == FWLTHEME_EDGE_Raised ? cr2 : cr4);
+    pGraphics->SetFillColor(&crRB);
+    pathRB.Clear();
+    pathRB.MoveTo(fRight, fTop);
+    pathRB.LineTo(fRight, fBottom);
+    pathRB.LineTo(fLeft, fBottom);
+    pathRB.LineTo(fLeft, fBottom - fHalfWidth);
+    pathRB.LineTo(fRight - fHalfWidth, fBottom - fHalfWidth);
+    pathRB.LineTo(fRight - fHalfWidth, fTop);
+    pathRB.LineTo(fRight, fTop);
+    pGraphics->FillPath(&pathRB, FXFILL_WINDING, pMatrix);
+  }
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::Draw3DCircle(CFX_Graphics* pGraphics,
+                                 FWLTHEME_EDGE eType,
+                                 FX_FLOAT fWidth,
+                                 const CFX_RectF* pRect,
+                                 FX_ARGB cr1,
+                                 FX_ARGB cr2,
+                                 FX_ARGB cr3,
+                                 FX_ARGB cr4,
+                                 CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  pGraphics->SaveGraphState();
+  CFX_Path path;
+  path.Create();
+  path.AddArc(pRect->left, pRect->top, pRect->width, pRect->height,
+              FWLTHEME_PI * 3 / 4, FWLTHEME_PI);
+  CFX_Color crFill1(eType == FWLTHEME_EDGE_Raised ? cr4 : cr1);
+  pGraphics->SetStrokeColor(&crFill1);
+  pGraphics->StrokePath(&path, pMatrix);
+  CFX_RectF rtInner(*pRect);
+  rtInner.Deflate(pRect->width / 4, pRect->height / 4);
+  path.Clear();
+  path.AddArc(rtInner.left, rtInner.top, rtInner.width, rtInner.height,
+              FWLTHEME_PI * 3 / 4, FWLTHEME_PI);
+  CFX_Color crFill2(eType == FWLTHEME_EDGE_Raised ? cr3 : cr2);
+  pGraphics->SetStrokeColor(&crFill2);
+  pGraphics->StrokePath(&path, pMatrix);
+  path.Clear();
+  path.AddArc(pRect->left, pRect->top, pRect->width, pRect->height,
+              FWLTHEME_PI * 7 / 4, FWLTHEME_PI);
+  CFX_Color crFill3(eType == FWLTHEME_EDGE_Raised ? cr1 : cr3);
+  pGraphics->SetStrokeColor(&crFill3);
+  pGraphics->StrokePath(&path, pMatrix);
+  path.AddArc(rtInner.left, rtInner.top, rtInner.width, rtInner.height,
+              FWLTHEME_PI * 7 / 4, FWLTHEME_PI);
+  CFX_Color crFill4(eType == FWLTHEME_EDGE_Raised ? cr2 : cr4);
+  pGraphics->SetStrokeColor(&crFill4);
+  pGraphics->StrokePath(&path, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::DrawBorder(CFX_Graphics* pGraphics,
+                               const CFX_RectF* pRect,
+                               CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+  path.AddRectangle(pRect->left + 1, pRect->top + 1, pRect->width - 2,
+                    pRect->height - 2);
+  pGraphics->SaveGraphState();
+  CFX_Color crFill(ArgbEncode(255, 0, 0, 0));
+  pGraphics->SetFillColor(&crFill);
+  pGraphics->FillPath(&path, FXFILL_ALTERNATE, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::FillBackground(CFX_Graphics* pGraphics,
+                                   const CFX_RectF* pRect,
+                                   CFX_Matrix* pMatrix) {
+  FillSoildRect(pGraphics, FWLTHEME_COLOR_Background, pRect, pMatrix);
+}
+void CFWL_WidgetTP::FillSoildRect(CFX_Graphics* pGraphics,
+                                  FX_ARGB fillColor,
+                                  const CFX_RectF* pRect,
+                                  CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  pGraphics->SaveGraphState();
+  CFX_Color crFill(fillColor);
+  pGraphics->SetFillColor(&crFill);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::DrawAxialShading(CFX_Graphics* pGraphics,
+                                     FX_FLOAT fx1,
+                                     FX_FLOAT fy1,
+                                     FX_FLOAT fx2,
+                                     FX_FLOAT fy2,
+                                     FX_ARGB beginColor,
+                                     FX_ARGB endColor,
+                                     CFX_Path* path,
+                                     int32_t fillMode,
+                                     CFX_Matrix* pMatrix) {
+  if (!pGraphics || !path)
+    return;
+
+  CFX_PointF begPoint(fx1, fy1);
+  CFX_PointF endPoint(fx2, fy2);
+  CFX_Shading shading;
+  shading.CreateAxial(begPoint, endPoint, FALSE, FALSE, beginColor, endColor);
+  pGraphics->SaveGraphState();
+  CFX_Color color1(&shading);
+  pGraphics->SetFillColor(&color1);
+  pGraphics->FillPath(path, fillMode, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::DrawAnnulusRect(CFX_Graphics* pGraphics,
+                                    FX_ARGB fillColor,
+                                    const CFX_RectF* pRect,
+                                    FX_FLOAT fRingWidth,
+                                    CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  pGraphics->SaveGraphState();
+  CFX_Color cr(fillColor);
+  pGraphics->SetFillColor(&cr);
+  CFX_Path path;
+  path.Create();
+  CFX_RectF rtInner(*pRect);
+  rtInner.Deflate(fRingWidth, fRingWidth);
+  path.AddRectangle(rtInner.left, rtInner.top, rtInner.width, rtInner.height);
+  path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+  pGraphics->FillPath(&path, FXFILL_ALTERNATE, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::DrawAnnulusCircle(CFX_Graphics* pGraphics,
+                                      FX_ARGB fillColor,
+                                      const CFX_RectF* pRect,
+                                      FX_FLOAT fWidth,
+                                      CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  if (fWidth > pRect->width / 2) {
+    return;
+  }
+  pGraphics->SaveGraphState();
+  CFX_Color cr(fillColor);
+  pGraphics->SetFillColor(&cr);
+  CFX_Path path;
+  path.Create();
+  path.AddEllipse(*pRect);
+  CFX_RectF rtIn(*pRect);
+  rtIn.Inflate(-fWidth, -fWidth);
+  path.AddEllipse(rtIn);
+  pGraphics->FillPath(&path, FXFILL_ALTERNATE, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::DrawFocus(CFX_Graphics* pGraphics,
+                              const CFX_RectF* pRect,
+                              CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return;
+  if (!pRect)
+    return;
+  pGraphics->SaveGraphState();
+  CFX_Color cr(0xFF000000);
+  pGraphics->SetStrokeColor(&cr);
+  FX_FLOAT DashPattern[2] = {1, 1};
+  pGraphics->SetLineDash(0.0f, DashPattern, 2);
+  CFX_Path path;
+  path.Create();
+  path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+  pGraphics->StrokePath(&path, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+#define FWLTHEME_ARROW_Denominator 3
+void CFWL_WidgetTP::DrawArrow(CFX_Graphics* pGraphics,
+                              const CFX_RectF* pRect,
+                              FWLTHEME_DIRECTION eDict,
+                              FX_ARGB argbFill,
+                              FX_BOOL bPressed,
+                              CFX_Matrix* pMatrix) {
+  CFX_RectF rtArrow(*pRect);
+  CFX_Path path;
+  path.Create();
+  FX_FLOAT fBtn =
+      std::min(pRect->width, pRect->height) / FWLTHEME_ARROW_Denominator;
+  rtArrow.left = pRect->left + (pRect->width - fBtn) / 2;
+  rtArrow.top = pRect->top + (pRect->height - fBtn) / 2;
+  rtArrow.width = fBtn;
+  rtArrow.height = fBtn;
+  if (bPressed) {
+    rtArrow.Offset(1, 1);
+  }
+  switch (eDict) {
+    case FWLTHEME_DIRECTION_Up: {
+      path.MoveTo(rtArrow.left, rtArrow.bottom());
+      path.LineTo(rtArrow.right(), rtArrow.bottom());
+      path.LineTo(rtArrow.left + fBtn / 2, rtArrow.top);
+      path.LineTo(rtArrow.left, rtArrow.bottom());
+      break;
+    }
+    case FWLTHEME_DIRECTION_Left: {
+      path.MoveTo(rtArrow.right(), rtArrow.top);
+      path.LineTo(rtArrow.right(), rtArrow.bottom());
+      path.LineTo(rtArrow.left, rtArrow.top + fBtn / 2);
+      path.LineTo(rtArrow.right(), rtArrow.top);
+      break;
+    }
+    case FWLTHEME_DIRECTION_Right: {
+      path.MoveTo(rtArrow.left, rtArrow.top);
+      path.LineTo(rtArrow.left, rtArrow.bottom());
+      path.LineTo(rtArrow.right(), rtArrow.top + fBtn / 2);
+      path.LineTo(rtArrow.left, rtArrow.top);
+      break;
+    }
+    case FWLTHEME_DIRECTION_Down:
+    default: {
+      path.MoveTo(rtArrow.left, rtArrow.top);
+      path.LineTo(rtArrow.right(), rtArrow.top);
+      path.LineTo(rtArrow.left + fBtn / 2, rtArrow.bottom());
+      path.LineTo(rtArrow.left, rtArrow.top);
+    }
+  }
+  pGraphics->SaveGraphState();
+  CFX_Color cr(argbFill);
+  pGraphics->SetFillColor(&cr);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+  pGraphics->RestoreGraphState();
+}
+void CFWL_WidgetTP::DrawArrow(CFX_Graphics* pGraphics,
+                              const CFX_RectF* pRect,
+                              FWLTHEME_DIRECTION eDict,
+                              FX_ARGB argSign,
+                              CFX_Matrix* pMatrix) {
+  FX_BOOL bVert =
+      (eDict == FWLTHEME_DIRECTION_Up || eDict == FWLTHEME_DIRECTION_Down);
+  FX_FLOAT fLeft =
+      (FX_FLOAT)(((pRect->width - (bVert ? 9 : 6)) / 2 + pRect->left) + 0.5);
+  FX_FLOAT fTop =
+      (FX_FLOAT)(((pRect->height - (bVert ? 6 : 9)) / 2 + pRect->top) + 0.5);
+  CFX_Path path;
+  path.Create();
+  switch (eDict) {
+    case FWLTHEME_DIRECTION_Down: {
+      path.MoveTo(fLeft, fTop + 1);
+      path.LineTo(fLeft + 4, fTop + 5);
+      path.LineTo(fLeft + 8, fTop + 1);
+      path.LineTo(fLeft + 7, fTop);
+      path.LineTo(fLeft + 4, fTop + 3);
+      path.LineTo(fLeft + 1, fTop);
+      break;
+    }
+    case FWLTHEME_DIRECTION_Up: {
+      path.MoveTo(fLeft, fTop + 4);
+      path.LineTo(fLeft + 4, fTop);
+      path.LineTo(fLeft + 8, fTop + 4);
+      path.LineTo(fLeft + 7, fTop + 5);
+      path.LineTo(fLeft + 4, fTop + 2);
+      path.LineTo(fLeft + 1, fTop + 5);
+      break;
+    }
+    case FWLTHEME_DIRECTION_Right: {
+      path.MoveTo(fLeft + 1, fTop);
+      path.LineTo(fLeft + 5, fTop + 4);
+      path.LineTo(fLeft + 1, fTop + 8);
+      path.LineTo(fLeft, fTop + 7);
+      path.LineTo(fLeft + 3, fTop + 4);
+      path.LineTo(fLeft, fTop + 1);
+      break;
+    }
+    case FWLTHEME_DIRECTION_Left: {
+      path.MoveTo(fLeft, fTop + 4);
+      path.LineTo(fLeft + 4, fTop);
+      path.LineTo(fLeft + 5, fTop + 1);
+      path.LineTo(fLeft + 2, fTop + 4);
+      path.LineTo(fLeft + 5, fTop + 7);
+      path.LineTo(fLeft + 4, fTop + 8);
+      break;
+    }
+  }
+  CFX_Color cr(argSign);
+  pGraphics->SetFillColor(&cr);
+  pGraphics->FillPath(&path, FXFILL_WINDING, pMatrix);
+}
+void CFWL_WidgetTP::DrawBtn(CFX_Graphics* pGraphics,
+                            const CFX_RectF* pRect,
+                            FWLTHEME_STATE eState,
+                            CFX_Matrix* pMatrix) {
+  CFX_Path path;
+  path.Create();
+  if (!CFWL_ArrowData::IsInstance()) {
+    CFWL_ArrowData::GetInstance()->SetColorData(FWL_GetThemeColor(m_dwThemeID));
+  }
+  CFWL_ArrowData::CColorData* pColorData =
+      CFWL_ArrowData::GetInstance()->m_pColorData;
+  FX_FLOAT fRight = pRect->right();
+  FX_FLOAT fBottom = pRect->bottom();
+  path.AddRectangle(pRect->left, pRect->top, pRect->width, pRect->height);
+  DrawAxialShading(pGraphics, pRect->left, pRect->top, fRight, fBottom,
+                   pColorData->clrStart[eState - 1],
+                   pColorData->clrEnd[eState - 1], &path, FXFILL_WINDING,
+                   pMatrix);
+  CFX_Color rcStroke;
+  rcStroke.Set(pColorData->clrBorder[eState - 1]);
+  pGraphics->SetStrokeColor(&rcStroke);
+  pGraphics->StrokePath(&path, pMatrix);
+}
+void CFWL_WidgetTP::DrawArrowBtn(CFX_Graphics* pGraphics,
+                                 const CFX_RectF* pRect,
+                                 FWLTHEME_DIRECTION eDict,
+                                 FWLTHEME_STATE eState,
+                                 CFX_Matrix* pMatrix) {
+  DrawBtn(pGraphics, pRect, eState, pMatrix);
+  if (!CFWL_ArrowData::IsInstance()) {
+    CFWL_ArrowData::GetInstance()->SetColorData(FWL_GetThemeColor(m_dwThemeID));
+  }
+  CFWL_ArrowData::CColorData* pColorData =
+      CFWL_ArrowData::GetInstance()->m_pColorData;
+  DrawArrow(pGraphics, pRect, eDict, pColorData->clrSign[eState - 1], pMatrix);
+}
+FWLCOLOR CFWL_WidgetTP::BlendColor(FWLCOLOR srcColor,
+                                   FWLCOLOR renderColor,
+                                   uint8_t scale) {
+  FWLCOLOR dstColor;
+  uint8_t n = 255 - scale;
+  dstColor.a = (uint8_t)(
+      ((FX_WORD)srcColor.a * n + (FX_WORD)renderColor.a * scale) >> 8);
+  dstColor.r = (uint8_t)(
+      ((FX_WORD)srcColor.r * n + (FX_WORD)renderColor.r * scale) >> 8);
+  dstColor.g = (uint8_t)(
+      ((FX_WORD)srcColor.g * n + (FX_WORD)renderColor.g * scale) >> 8);
+  dstColor.b = (uint8_t)(
+      ((FX_WORD)srcColor.b * n + (FX_WORD)renderColor.b * scale) >> 8);
+  return dstColor;
+}
+CFWL_ArrowData::CFWL_ArrowData() : m_pColorData(NULL) {
+  SetColorData(0);
+}
+CFWL_FontData::CFWL_FontData()
+    : m_dwStyles(0),
+      m_dwCodePage(0),
+      m_pFont(0),
+      m_pFontMgr(NULL)
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+      ,
+      m_pFontSource(NULL)
+#endif
+{
+}
+CFWL_FontData::~CFWL_FontData() {
+  if (m_pFont) {
+    m_pFont->Release();
+  }
+  if (m_pFontMgr) {
+    m_pFontMgr->Release();
+  }
+#if _FXM_PLATFORM_ != _FXM_PLATFORM_WINDOWS_
+  if (m_pFontSource != NULL) {
+    m_pFontSource->Release();
+  }
+#endif
+}
+FX_BOOL CFWL_FontData::Equal(const CFX_WideStringC& wsFontFamily,
+                             FX_DWORD dwFontStyles,
+                             FX_WORD wCodePage) {
+  return m_wsFamily == wsFontFamily && m_dwStyles == dwFontStyles &&
+         m_dwCodePage == wCodePage;
+}
+FX_BOOL CFWL_FontData::LoadFont(const CFX_WideStringC& wsFontFamily,
+                                FX_DWORD dwFontStyles,
+                                FX_WORD dwCodePage) {
+  m_wsFamily = wsFontFamily;
+  m_dwStyles = dwFontStyles;
+  m_dwCodePage = dwCodePage;
+  if (!m_pFontMgr) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+    m_pFontMgr = IFX_FontMgr::Create(FX_GetDefFontEnumerator());
+#else
+    m_pFontSource = FX_CreateDefaultFontSourceEnum();
+    m_pFontMgr = IFX_FontMgr::Create(m_pFontSource);
+#endif
+  }
+  m_pFont = IFX_Font::LoadFont(wsFontFamily.GetPtr(), dwFontStyles, dwCodePage,
+                               m_pFontMgr);
+  return m_pFont != NULL;
+}
+
+CFWL_FontManager* CFWL_FontManager::s_FontManager = nullptr;
+CFWL_FontManager* CFWL_FontManager::GetInstance() {
+  if (!s_FontManager)
+    s_FontManager = new CFWL_FontManager;
+  return s_FontManager;
+}
+void CFWL_FontManager::DestroyInstance() {
+  delete s_FontManager;
+  s_FontManager = nullptr;
+}
+CFWL_FontManager::CFWL_FontManager() {}
+CFWL_FontManager::~CFWL_FontManager() {}
+IFX_Font* CFWL_FontManager::FindFont(const CFX_WideStringC& wsFontFamily,
+                                     FX_DWORD dwFontStyles,
+                                     FX_WORD wCodePage) {
+  for (const auto& pData : m_FontsArray) {
+    if (pData->Equal(wsFontFamily, dwFontStyles, wCodePage))
+      return pData->GetFont();
+  }
+  std::unique_ptr<CFWL_FontData> pFontData(new CFWL_FontData);
+  if (!pFontData->LoadFont(wsFontFamily, dwFontStyles, wCodePage))
+    return nullptr;
+  m_FontsArray.push_back(std::move(pFontData));
+  return m_FontsArray.back()->GetFont();
+}
+FX_BOOL FWLTHEME_Init() {
+  return TRUE;
+}
+void FWLTHEME_Release() {
+  CFWL_ArrowData::DestroyInstance();
+  CFWL_FontManager::DestroyInstance();
+}
+FX_DWORD FWL_GetThemeLayout(FX_DWORD dwThemeID) {
+  return 0xffff0000 & dwThemeID;
+}
+FX_DWORD FWL_GetThemeColor(FX_DWORD dwThemeID) {
+  return 0x0000ffff & dwThemeID;
+}
+FX_DWORD FWL_MakeThemeID(FX_DWORD dwLayout, FX_DWORD dwColor) {
+  return (dwLayout << 16) | (0x0000FFFF & dwColor);
+}
+CFWL_ArrowData* CFWL_ArrowData::m_pInstance = NULL;
+CFWL_ArrowData* CFWL_ArrowData::GetInstance() {
+  if (!m_pInstance) {
+    m_pInstance = new CFWL_ArrowData;
+  }
+  return m_pInstance;
+}
+FX_BOOL CFWL_ArrowData::IsInstance() {
+  return (m_pInstance != NULL);
+}
+void CFWL_ArrowData::DestroyInstance() {
+  if (m_pInstance) {
+    delete m_pInstance;
+    m_pInstance = NULL;
+  }
+}
+CFWL_ArrowData::~CFWL_ArrowData() {
+  if (m_pColorData) {
+    delete m_pColorData;
+    m_pColorData = NULL;
+  }
+}
+void CFWL_ArrowData::SetColorData(FX_DWORD dwID) {
+  if (!m_pColorData) {
+    m_pColorData = new CColorData;
+  }
+  if (dwID) {
+    m_pColorData->clrBorder[0] = ArgbEncode(255, 142, 153, 125);
+    m_pColorData->clrBorder[1] = ArgbEncode(255, 157, 171, 119);
+    m_pColorData->clrBorder[2] = ArgbEncode(255, 118, 131, 97);
+    m_pColorData->clrBorder[3] = ArgbEncode(255, 172, 168, 153);
+    m_pColorData->clrStart[0] = ArgbEncode(255, 203, 215, 186);
+    m_pColorData->clrStart[1] = ArgbEncode(255, 218, 232, 185);
+    m_pColorData->clrStart[2] = ArgbEncode(255, 203, 215, 186);
+    m_pColorData->clrStart[3] = ArgbEncode(255, 254, 254, 251);
+    m_pColorData->clrEnd[0] = ArgbEncode(255, 149, 167, 117);
+    m_pColorData->clrEnd[1] = ArgbEncode(255, 198, 211, 155);
+    m_pColorData->clrEnd[2] = ArgbEncode(255, 149, 167, 117);
+    m_pColorData->clrEnd[3] = ArgbEncode(255, 243, 241, 236);
+    m_pColorData->clrSign[0] = ArgbEncode(255, 255, 255, 255);
+    m_pColorData->clrSign[1] = ArgbEncode(255, 255, 255, 255);
+    m_pColorData->clrSign[2] = ArgbEncode(255, 255, 255, 255);
+    m_pColorData->clrSign[3] = ArgbEncode(255, 128, 128, 128);
+  } else {
+    m_pColorData->clrBorder[0] = ArgbEncode(255, 202, 216, 249);
+    m_pColorData->clrBorder[1] = ArgbEncode(255, 171, 190, 233);
+    m_pColorData->clrBorder[2] = ArgbEncode(255, 135, 147, 219);
+    m_pColorData->clrBorder[3] = ArgbEncode(255, 172, 168, 153);
+    m_pColorData->clrStart[0] = ArgbEncode(255, 225, 234, 254);
+    m_pColorData->clrStart[1] = ArgbEncode(255, 253, 255, 255);
+    m_pColorData->clrStart[2] = ArgbEncode(255, 110, 142, 241);
+    m_pColorData->clrStart[3] = ArgbEncode(255, 254, 254, 251);
+    m_pColorData->clrEnd[0] = ArgbEncode(255, 175, 204, 251);
+    m_pColorData->clrEnd[1] = ArgbEncode(255, 185, 218, 251);
+    m_pColorData->clrEnd[2] = ArgbEncode(255, 210, 222, 235);
+    m_pColorData->clrEnd[3] = ArgbEncode(255, 243, 241, 236);
+    m_pColorData->clrSign[0] = ArgbEncode(255, 77, 97, 133);
+    m_pColorData->clrSign[1] = ArgbEncode(255, 77, 97, 133);
+    m_pColorData->clrSign[2] = ArgbEncode(255, 77, 97, 133);
+    m_pColorData->clrSign[3] = ArgbEncode(255, 128, 128, 128);
+  }
+}