Merge the CFWL_*Imp classes into the IFWL_* classes.

This Cl merges the implementation classes up into the IFWL classes as the
intermediate classes were just acting as proxies.

Review-Url: https://chromiumcodereview.appspot.com/2432423002

1 files changed, 574 insertions, 0 deletions

diff --git a/xfa/fwl/core/ifwl_checkbox.cpp b/xfa/fwl/core/ifwl_checkbox.cpp
new file mode 100644
index 0000000000..d822d3e820
--- /dev/null
+++ b/xfa/fwl/core/ifwl_checkbox.cpp
@@ -0,0 +1,574 @@
+// 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/ifwl_checkbox.h"
+
+#include <algorithm>
+
+#include "xfa/fde/tto/fde_textout.h"
+#include "xfa/fwl/core/cfwl_message.h"
+#include "xfa/fwl/core/cfwl_themebackground.h"
+#include "xfa/fwl/core/cfwl_themetext.h"
+#include "xfa/fwl/core/cfwl_widgetmgr.h"
+#include "xfa/fwl/core/fwl_noteimp.h"
+#include "xfa/fwl/core/ifwl_checkbox.h"
+#include "xfa/fwl/core/ifwl_themeprovider.h"
+
+namespace {
+
+const int kCaptionMargin = 5;
+
+}  // namespace
+
+// static
+IFWL_CheckBox* IFWL_CheckBox::Create(const CFWL_WidgetImpProperties& properties,
+                                     IFWL_Widget* pOuter) {
+  return new IFWL_CheckBox(properties, pOuter);
+}
+
+IFWL_CheckBox::IFWL_CheckBox(const CFWL_WidgetImpProperties& properties,
+                             IFWL_Widget* pOuter)
+    : IFWL_Widget(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();
+}
+
+IFWL_CheckBox::~IFWL_CheckBox() {}
+
+FWL_Error IFWL_CheckBox::GetClassName(CFX_WideString& wsClass) const {
+  wsClass = FWL_CLASS_CheckBox;
+  return FWL_Error::Succeeded;
+}
+
+FWL_Type IFWL_CheckBox::GetClassID() const {
+  return FWL_Type::CheckBox;
+}
+
+FWL_Error IFWL_CheckBox::Initialize() {
+  if (IFWL_Widget::Initialize() != FWL_Error::Succeeded)
+    return FWL_Error::Indefinite;
+
+  m_pDelegate = new CFWL_CheckBoxImpDelegate(this);
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_CheckBox::Finalize() {
+  delete m_pDelegate;
+  m_pDelegate = nullptr;
+  return IFWL_Widget::Finalize();
+}
+
+FWL_Error IFWL_CheckBox::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_Error::Indefinite;
+    if (!m_pProperties->m_pDataProvider)
+      return FWL_Error::Indefinite;
+    CFX_WideString wsCaption;
+    m_pProperties->m_pDataProvider->GetCaption(this, 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(kCaptionMargin, kCaptionMargin);
+    IFWL_CheckBoxDP* pData =
+        static_cast<IFWL_CheckBoxDP*>(m_pProperties->m_pDataProvider);
+    FX_FLOAT fCheckBox = pData->GetBoxSize(this);
+    rect.width += fCheckBox;
+    if (rect.height < fCheckBox) {
+      rect.height = fCheckBox;
+    }
+    IFWL_Widget::GetWidgetRect(rect, TRUE);
+  } else {
+    rect = m_pProperties->m_rtWidget;
+  }
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_CheckBox::Update() {
+  if (IsLocked()) {
+    return FWL_Error::Indefinite;
+  }
+  if (!m_pProperties->m_pThemeProvider) {
+    m_pProperties->m_pThemeProvider = GetAvailableTheme();
+  }
+  UpdateTextOutStyles();
+  Layout();
+  return FWL_Error::Succeeded;
+}
+
+FWL_Error IFWL_CheckBox::DrawWidget(CFX_Graphics* pGraphics,
+                                    const CFX_Matrix* pMatrix) {
+  if (!pGraphics)
+    return FWL_Error::Indefinite;
+  if (!m_pProperties->m_pThemeProvider)
+    return FWL_Error::Indefinite;
+  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
+  if (HasBorder()) {
+    DrawBorder(pGraphics, CFWL_Part::Border, m_pProperties->m_pThemeProvider,
+               pMatrix);
+  }
+  if (HasEdge()) {
+    DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
+  }
+  int32_t dwStates = GetPartStates();
+  {
+    CFWL_ThemeBackground param;
+    param.m_pWidget = this;
+    param.m_iPart = CFWL_Part::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 = CFWL_Part::CheckBox;
+    param.m_rtPart = m_rtBox;
+    pTheme->DrawBackground(&param);
+  }
+  if (!m_pProperties->m_pDataProvider)
+    return FWL_Error::Indefinite;
+  {
+    CFX_WideString wsCaption;
+    m_pProperties->m_pDataProvider->GetCaption(this, wsCaption);
+    int32_t iLen = wsCaption.GetLength();
+    if (iLen <= 0)
+      return FWL_Error::Indefinite;
+    CFWL_ThemeText textParam;
+    textParam.m_pWidget = this;
+    textParam.m_iPart = CFWL_Part::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_Error::Succeeded;
+}
+
+int32_t IFWL_CheckBox::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_Error IFWL_CheckBox::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_Error::Succeeded;
+}
+
+void IFWL_CheckBox::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(this);
+  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(-kCaptionMargin, -kCaptionMargin);
+  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(this, 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);
+  }
+}
+
+uint32_t IFWL_CheckBox::GetPartStates() {
+  int32_t dwStates = CFWL_PartState_Normal;
+  if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+      FWL_STATE_CKB_Neutral) {
+    dwStates = CFWL_PartState_Neutral;
+  } else if ((m_pProperties->m_dwStates & FWL_STATE_CKB_CheckMask) ==
+             FWL_STATE_CKB_Checked) {
+    dwStates = CFWL_PartState_Checked;
+  }
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
+    dwStates |= CFWL_PartState_Disabled;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Hovered) {
+    dwStates |= CFWL_PartState_Hovered;
+  } else if (m_pProperties->m_dwStates & FWL_STATE_CKB_Pressed) {
+    dwStates |= CFWL_PartState_Pressed;
+  } else {
+    dwStates |= CFWL_PartState_Normal;
+  }
+  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
+    dwStates |= CFWL_PartState_Focused;
+  }
+  return dwStates;
+}
+
+void IFWL_CheckBox::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 IFWL_CheckBox::NextStates() {
+  uint32_t 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 = CFWL_WidgetMgr::GetInstance();
+      if (!pWidgetMgr->IsFormDisabled()) {
+        CFX_ArrayTemplate<IFWL_Widget*> radioarr;
+        pWidgetMgr->GetSameGroupRadioButton(this, radioarr);
+        IFWL_CheckBox* pCheckBox = nullptr;
+        int32_t iCount = radioarr.GetSize();
+        for (int32_t i = 0; i < iCount; i++) {
+          pCheckBox = static_cast<IFWL_CheckBox*>(radioarr[i]);
+          if (pCheckBox != this &&
+              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);
+  uint32_t dwLaststate = m_pProperties->m_dwStates;
+  if (dwFirststate != dwLaststate) {
+    CFWL_EvtCkbCheckStateChanged wmCheckBoxState;
+    wmCheckBoxState.m_pSrcTarget = this;
+    DispatchEvent(&wmCheckBoxState);
+  }
+}
+
+CFWL_CheckBoxImpDelegate::CFWL_CheckBoxImpDelegate(IFWL_CheckBox* pOwner)
+    : m_pOwner(pOwner) {}
+
+void CFWL_CheckBoxImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
+  if (!pMessage)
+    return;
+
+  switch (pMessage->GetClassID()) {
+    case CFWL_MessageType::Activate: {
+      OnActivate(pMessage);
+      break;
+    }
+    case CFWL_MessageType::SetFocus: {
+      OnFocusChanged(pMessage, TRUE);
+      break;
+    }
+    case CFWL_MessageType::KillFocus: {
+      OnFocusChanged(pMessage, FALSE);
+      break;
+    }
+    case CFWL_MessageType::Mouse: {
+      CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
+      switch (pMsg->m_dwCmd) {
+        case FWL_MouseCommand::LeftButtonDown: {
+          OnLButtonDown(pMsg);
+          break;
+        }
+        case FWL_MouseCommand::LeftButtonUp: {
+          OnLButtonUp(pMsg);
+          break;
+        }
+        case FWL_MouseCommand::Move: {
+          OnMouseMove(pMsg);
+          break;
+        }
+        case FWL_MouseCommand::Leave: {
+          OnMouseLeave(pMsg);
+          break;
+        }
+        default:
+          break;
+      }
+      break;
+    }
+    case CFWL_MessageType::Key: {
+      CFWL_MsgKey* pKey = static_cast<CFWL_MsgKey*>(pMessage);
+      if (pKey->m_dwCmd == FWL_KeyCommand::KeyDown)
+        OnKeyDown(pKey);
+      break;
+    }
+    default: { break; }
+  }
+
+  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
+}
+
+void CFWL_CheckBoxImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
+                                            const CFX_Matrix* pMatrix) {
+  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();
+  }
+}