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 .

1 files changed, 1101 insertions, 0 deletions

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;
+}