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, 0 insertions, 1143 deletions

diff --git a/xfa/fwl/core/fwl_formimp.cpp b/xfa/fwl/core/fwl_formimp.cpp
deleted file mode 100644
index 0f4b89a774..0000000000
--- a/xfa/fwl/core/fwl_formimp.cpp
+++ /dev/null
@@ -1,1143 +0,0 @@
-// 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/cfwl_message.h"
-#include "xfa/fwl/core/cfwl_themebackground.h"
-#include "xfa/fwl/core/cfwl_themepart.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/fwl_widgetimp.h"
-#include "xfa/fwl/core/ifwl_app.h"
-#include "xfa/fwl/core/ifwl_themeprovider.h"
-#include "xfa/fwl/theme/cfwl_widgettp.h"
-
-namespace {
-
-const int kSystemButtonSize = 21;
-const int kSystemButtonMargin = 5;
-const int kSystemButtonSpan = 2;
-
-}  // namespace
-
-namespace {
-
-const uint8_t kCornerEnlarge = 10;
-
-}  // namespace
-
-// 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_Error 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(uint32_t& dwCommandID) {
-  return static_cast<CFWL_FormImp*>(GetImpl())->DoModal(dwCommandID);
-}
-FWL_Error IFWL_Form::EndDoModal() {
-  return static_cast<CFWL_FormImp*>(GetImpl())->EndDoModal();
-}
-FWL_Error IFWL_Form::SetBorderRegion(CFX_Path* pPath) {
-  return static_cast<CFWL_FormImp*>(GetImpl())->SetBorderRegion(pPath);
-}
-
-RestoreResizeInfo::RestoreResizeInfo() {}
-
-RestoreResizeInfo::~RestoreResizeInfo() {}
-
-CFWL_FormImp::CFWL_FormImp(const CFWL_WidgetImpProperties& properties,
-                           IFWL_Widget* pOuter)
-    : CFWL_WidgetImp(properties, pOuter),
-      m_pCloseBox(nullptr),
-      m_pMinBox(nullptr),
-      m_pMaxBox(nullptr),
-      m_pCaptionBox(nullptr),
-      m_pSubFocus(nullptr),
-      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(nullptr),
-      m_pSmallIcon(nullptr),
-      m_bMouseIn(FALSE) {
-  m_rtRelative.Reset();
-  m_rtCaption.Reset();
-  m_rtRestore.Reset();
-  m_rtCaptionText.Reset();
-  m_rtIcon.Reset();
-}
-
-CFWL_FormImp::~CFWL_FormImp() {
-  RemoveSysButtons();
-}
-
-FWL_Error CFWL_FormImp::GetClassName(CFX_WideString& wsClass) const {
-  wsClass = FWL_CLASS_Form;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Type CFWL_FormImp::GetClassID() const {
-  return FWL_Type::Form;
-}
-
-FX_BOOL CFWL_FormImp::IsInstance(const CFX_WideStringC& wsClass) const {
-  if (wsClass == CFX_WideStringC(FWL_CLASS_Form))
-    return TRUE;
-  return CFWL_WidgetImp::IsInstance(wsClass);
-}
-
-FWL_Error CFWL_FormImp::Initialize() {
-  if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded)
-    return FWL_Error::Indefinite;
-  RegisterForm();
-  RegisterEventTarget();
-  m_pDelegate = new CFWL_FormImpDelegate(this);
-  return FWL_Error::Succeeded;
-}
-FWL_Error CFWL_FormImp::Finalize() {
-  delete m_pDelegate;
-  m_pDelegate = nullptr;
-  UnregisterEventTarget();
-  UnRegisterForm();
-  return CFWL_WidgetImp::Finalize();
-}
-FWL_Error 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();
-    rect.height += fCapHeight + fCYBorder + fEdge + fEdge;
-    rect.width += fCXBorder + fCXBorder + fEdge + fEdge;
-  } else {
-    rect = m_pProperties->m_rtWidget;
-  }
-  return FWL_Error::Succeeded;
-}
-FWL_Error 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_Error::Succeeded;
-  }
-#ifdef FWL_UseMacSystemBorder
-  rect = m_rtRelative;
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
-  if (!pWidgetMgr)
-    return FWL_Error::Indefinite;
-
-  rect.left = 0;
-  rect.top = 0;
-  return FWL_Error::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, CFWL_WidgetCapacity::CXBorder));
-    y = *static_cast<FX_FLOAT*>(
-        pTheme->GetCapacity(&part, CFWL_WidgetCapacity::CYBorder));
-    t = *static_cast<FX_FLOAT*>(
-        pTheme->GetCapacity(&part, CFWL_WidgetCapacity::CYCaption));
-  }
-  rect = m_pProperties->m_rtWidget;
-  rect.Offset(-rect.left, -rect.top);
-  rect.Deflate(x, t, x, y);
-  return FWL_Error::Succeeded;
-#endif
-}
-FWL_Error CFWL_FormImp::Update() {
-  if (m_iLock > 0) {
-    return FWL_Error::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_Error::Succeeded;
-}
-FWL_WidgetHit CFWL_FormImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
-  GetAvailableTheme();
-  if (m_pCloseBox && m_pCloseBox->m_rtBtn.Contains(fx, fy))
-    return FWL_WidgetHit::CloseBox;
-  if (m_pMaxBox && m_pMaxBox->m_rtBtn.Contains(fx, fy))
-    return FWL_WidgetHit::MaxBox;
-  if (m_pMinBox && m_pMinBox->m_rtBtn.Contains(fx, fy))
-    return FWL_WidgetHit::MinBox;
-  CFX_RectF rtCap;
-  rtCap.Set(m_rtCaption.left + m_fCYBorder, m_rtCaption.top + m_fCXBorder,
-            m_rtCaption.width - kSystemButtonSize * m_iSysBox - 2 * m_fCYBorder,
-            m_rtCaption.height - m_fCXBorder);
-  if (rtCap.Contains(fx, fy))
-    return FWL_WidgetHit::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 + kCornerEnlarge);
-    FX_FLOAT fHeight = m_rtRelative.height - 2 * (m_fCXBorder + kCornerEnlarge);
-    CFX_RectF rt;
-    rt.Set(0, m_fCXBorder + kCornerEnlarge, m_fCYBorder, fHeight);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::Left;
-    rt.Set(m_rtRelative.width - m_fCYBorder, m_fCXBorder + kCornerEnlarge,
-           m_fCYBorder, fHeight);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::Right;
-    rt.Set(m_fCYBorder + kCornerEnlarge, 0, fWidth, m_fCXBorder);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::Top;
-    rt.Set(m_fCYBorder + kCornerEnlarge, m_rtRelative.height - m_fCXBorder,
-           fWidth, m_fCXBorder);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::Bottom;
-    rt.Set(0, 0, m_fCYBorder + kCornerEnlarge, m_fCXBorder + kCornerEnlarge);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::LeftTop;
-    rt.Set(0, m_rtRelative.height - m_fCXBorder - kCornerEnlarge,
-           m_fCYBorder + kCornerEnlarge, m_fCXBorder + kCornerEnlarge);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::LeftBottom;
-    rt.Set(m_rtRelative.width - m_fCYBorder - kCornerEnlarge, 0,
-           m_fCYBorder + kCornerEnlarge, m_fCXBorder + kCornerEnlarge);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::RightTop;
-    rt.Set(m_rtRelative.width - m_fCYBorder - kCornerEnlarge,
-           m_rtRelative.height - m_fCXBorder - kCornerEnlarge,
-           m_fCYBorder + kCornerEnlarge, m_fCXBorder + kCornerEnlarge);
-    if (rt.Contains(fx, fy))
-      return FWL_WidgetHit::RightBottom;
-  }
-  return FWL_WidgetHit::Client;
-}
-FWL_Error CFWL_FormImp::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;
-  FX_BOOL bInactive = !IsActive();
-  int32_t iState = bInactive ? CFWL_PartState_Inactive : CFWL_PartState_Normal;
-  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_FRM_NoDrawClient) == 0) {
-    DrawBackground(pGraphics, pTheme);
-  }
-#ifdef FWL_UseMacSystemBorder
-  return FWL_Error::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 = CFWL_Part::Border;
-    pTheme->DrawBackground(&param);
-  }
-  if ((m_pProperties->m_dwStyleExes & FWL_WGTSTYLE_EdgeMask) !=
-      FWL_WGTSTYLE_EdgeNone) {
-    CFX_RectF rtEdge;
-    GetEdgeRect(rtEdge);
-    param.m_iPart = CFWL_Part::Edge;
-    param.m_rtPart = rtEdge;
-    param.m_dwStates = iState;
-    pTheme->DrawBackground(&param);
-  }
-  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Caption) {
-    param.m_iPart = CFWL_Part::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 = CFWL_Part::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 = CFWL_Part::Icon;
-    if (HasIcon()) {
-      DrawIconImage(pGraphics, pTheme, pMatrix);
-    }
-  }
-#if (_FX_OS_ == _FX_MACOSX_)
-  {
-    if (m_pCloseBox) {
-      param.m_iPart = CFWL_Part::CloseBox;
-      param.m_dwStates = m_pCloseBox->GetPartState();
-      if (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) {
-        param.m_dwStates = CFWL_PartState_Disabled;
-      } else if (CFWL_PartState_Normal == param.m_dwStates && m_bMouseIn) {
-        param.m_dwStates = CFWL_PartState_Hovered;
-      }
-      param.m_rtPart = m_pCloseBox->m_rtBtn;
-      pTheme->DrawBackground(&param);
-    }
-    if (m_pMaxBox) {
-      param.m_iPart = CFWL_Part::MaximizeBox;
-      param.m_dwStates = m_pMaxBox->GetPartState();
-      if (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) {
-        param.m_dwStates = CFWL_PartState_Disabled;
-      } else if (CFWL_PartState_Normal == param.m_dwStates && m_bMouseIn) {
-        param.m_dwStates = CFWL_PartState_Hovered;
-      }
-      param.m_rtPart = m_pMaxBox->m_rtBtn;
-      param.m_bMaximize = m_bMaximized;
-      pTheme->DrawBackground(&param);
-    }
-    if (m_pMinBox) {
-      param.m_iPart = CFWL_Part::MinimizeBox;
-      param.m_dwStates = m_pMinBox->GetPartState();
-      if (m_pProperties->m_dwStates & FWL_WGTSTATE_Deactivated) {
-        param.m_dwStates = CFWL_PartState_Disabled;
-      } else if (CFWL_PartState_Normal == param.m_dwStates && m_bMouseIn) {
-        param.m_dwStates = CFWL_PartState_Hovered;
-      }
-      param.m_rtPart = m_pMinBox->m_rtBtn;
-      pTheme->DrawBackground(&param);
-    }
-    m_bMouseIn = FALSE;
-  }
-#else
-  {
-    if (m_pCloseBox) {
-      param.m_iPart = CFWL_Part::CloseBox;
-      param.m_dwStates = m_pCloseBox->GetPartState();
-      param.m_rtPart = m_pCloseBox->m_rtBtn;
-      pTheme->DrawBackground(&param);
-    }
-    if (m_pMaxBox) {
-      param.m_iPart = CFWL_Part::MaximizeBox;
-      param.m_dwStates = m_pMaxBox->GetPartState();
-      param.m_rtPart = m_pMaxBox->m_rtBtn;
-      param.m_bMaximize = m_bMaximized;
-      pTheme->DrawBackground(&param);
-    }
-    if (m_pMinBox) {
-      param.m_iPart = CFWL_Part::MinimizeBox;
-      param.m_dwStates = m_pMinBox->GetPartState();
-      param.m_rtPart = m_pMinBox->m_rtBtn;
-      pTheme->DrawBackground(&param);
-    }
-  }
-#endif
-  return FWL_Error::Succeeded;
-}
-
-FWL_FORMSIZE CFWL_FormImp::GetFormSize() {
-  return m_eFormSize;
-}
-
-FWL_Error CFWL_FormImp::SetFormSize(FWL_FORMSIZE eFormSize) {
-  m_eFormSize = eFormSize;
-  return FWL_Error::Succeeded;
-}
-
-IFWL_Widget* CFWL_FormImp::DoModal() {
-  IFWL_App* pApp = GetOwnerApp();
-  if (!pApp)
-    return nullptr;
-
-  CFWL_NoteDriver* pDriver = pApp->GetNoteDriver();
-  if (!pDriver)
-    return nullptr;
-
-  m_pNoteLoop.reset(new CFWL_NoteLoop(this));
-  pDriver->PushNoteLoop(m_pNoteLoop.get());
-  m_bDoModalFlag = TRUE;
-  SetStates(FWL_WGTSTATE_Invisible, FALSE);
-  pDriver->Run();
-#if (_FX_OS_ == _FX_MACOSX_)
-#else
-  pDriver->PopNoteLoop();
-#endif
-  m_pNoteLoop.reset();
-  return nullptr;
-}
-
-IFWL_Widget* CFWL_FormImp::DoModal(uint32_t& dwCommandID) {
-  return DoModal();
-}
-
-FWL_Error CFWL_FormImp::EndDoModal() {
-  if (!m_pNoteLoop)
-    return FWL_Error::Indefinite;
-  m_bDoModalFlag = FALSE;
-#if (_FX_OS_ == _FX_MACOSX_)
-  m_pNoteLoop->EndModalLoop();
-  IFWL_App* pApp = GetOwnerApp();
-  if (!pApp)
-    return FWL_Error::Indefinite;
-
-  CFWL_NoteDriver* pDriver =
-      static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
-  if (!pDriver)
-    return FWL_Error::Indefinite;
-
-  pDriver->PopNoteLoop();
-  SetStates(FWL_WGTSTATE_Invisible, TRUE);
-  return FWL_Error::Succeeded;
-#else
-  SetStates(FWL_WGTSTATE_Invisible, TRUE);
-  return m_pNoteLoop->EndModalLoop();
-#endif
-}
-
-FWL_Error CFWL_FormImp::SetBorderRegion(CFX_Path* pPath) {
-  return FWL_Error::Succeeded;
-}
-void CFWL_FormImp::DrawBackground(CFX_Graphics* pGraphics,
-                                  IFWL_ThemeProvider* pTheme) {
-  CFWL_ThemeBackground param;
-  param.m_pWidget = m_pInterface;
-  param.m_iPart = CFWL_Part::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;
-}
-
-void CFWL_FormImp::ShowChildWidget(IFWL_Widget* pParent) {
-  IFWL_App* pApp = FWL_GetApp();
-  if (!pApp)
-    return;
-
-  CFWL_WidgetMgr* pWidgetMgr = pApp->GetWidgetMgr();
-  if (!pWidgetMgr)
-    return;
-
-  IFWL_Widget* pChild = pWidgetMgr->GetFirstChildWidget(pParent);
-  while (pChild) {
-    ShowChildWidget(pChild);
-    pChild = pWidgetMgr->GetNextSiblingWidget(pChild);
-  }
-}
-
-void CFWL_FormImp::RemoveSysButtons() {
-  m_rtCaption.Reset();
-  delete m_pCloseBox;
-  m_pCloseBox = nullptr;
-  delete m_pMinBox;
-  m_pMinBox = nullptr;
-  delete m_pMaxBox;
-  m_pMaxBox = nullptr;
-  delete m_pCaptionBox;
-  m_pCaptionBox = nullptr;
-}
-
-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 nullptr;
-}
-CFWL_SysBtn* CFWL_FormImp::GetSysBtnByState(uint32_t 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 nullptr;
-}
-CFWL_SysBtn* CFWL_FormImp::GetSysBtnByIndex(int32_t nIndex) {
-  if (nIndex < 0)
-    return nullptr;
-
-  CFX_ArrayTemplate<CFWL_SysBtn*> arrBtn;
-  if (m_pMinBox)
-    arrBtn.Add(m_pMinBox);
-
-  if (m_pMaxBox)
-    arrBtn.Add(m_pMaxBox);
-
-  if (m_pCloseBox)
-    arrBtn.Add(m_pCloseBox);
-
-  return arrBtn[nIndex];
-}
-int32_t CFWL_FormImp::GetSysBtnIndex(CFWL_SysBtn* pBtn) {
-  CFX_ArrayTemplate<CFWL_SysBtn*> 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() {
-  CFWL_WidgetCapacity dwCapacity = CFWL_WidgetCapacity::None;
-
-  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_Caption) {
-    dwCapacity = CFWL_WidgetCapacity::CYCaption;
-  } else if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_NarrowCaption) {
-    dwCapacity = CFWL_WidgetCapacity::CYNarrowCaption;
-  }
-  if (dwCapacity != CFWL_WidgetCapacity::None) {
-    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 = CFWL_Part::Caption;
-  textParam.m_dwStates = CFWL_PartState_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 = CFWL_Part::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 = CFWL_WidgetMgr::GetInstance();
-  if (!pWidgetMgr)
-    return;
-  m_bSetMaximize = TRUE;
-  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
-}
-void CFWL_FormImp::ReSetSysBtn() {
-  m_fCXBorder =
-      *static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::CXBorder));
-  m_fCYBorder =
-      *static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::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) {
-      m_pCloseBox->m_rtBtn.Set(
-          m_rtRelative.right() - kSystemButtonMargin - kSystemButtonSize,
-          kSystemButtonMargin, kSystemButtonSize, kSystemButtonSize);
-    }
-    m_iSysBox++;
-  }
-  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_MaximizeBox) {
-    m_pMaxBox = new CFWL_SysBtn;
-    if (!m_bCustomizeLayout) {
-      if (m_pCloseBox) {
-        m_pMaxBox->m_rtBtn.Set(
-            m_pCloseBox->m_rtBtn.left - kSystemButtonSpan - kSystemButtonSize,
-            m_pCloseBox->m_rtBtn.top, kSystemButtonSize, kSystemButtonSize);
-      } else {
-        m_pMaxBox->m_rtBtn.Set(
-            m_rtRelative.right() - kSystemButtonMargin - kSystemButtonSize,
-            kSystemButtonMargin, kSystemButtonSize, kSystemButtonSize);
-      }
-    }
-    m_iSysBox++;
-  }
-  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_MinimizeBox) {
-    m_pMinBox = new CFWL_SysBtn;
-    if (!m_bCustomizeLayout) {
-      if (m_pMaxBox) {
-        m_pMinBox->m_rtBtn.Set(
-            m_pMaxBox->m_rtBtn.left - kSystemButtonSpan - kSystemButtonSize,
-            m_pMaxBox->m_rtBtn.top, kSystemButtonSize, kSystemButtonSize);
-      } else if (m_pCloseBox) {
-        m_pMinBox->m_rtBtn.Set(
-            m_pCloseBox->m_rtBtn.left - kSystemButtonSpan - kSystemButtonSize,
-            m_pCloseBox->m_rtBtn.top, kSystemButtonSize, kSystemButtonSize);
-      } else {
-        m_pMinBox->m_rtBtn.Set(
-            m_rtRelative.right() - kSystemButtonMargin - kSystemButtonSize,
-            kSystemButtonMargin, kSystemButtonSize, kSystemButtonSize);
-      }
-    }
-    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) {
-      m_rtIcon.Set(5, (m_rtCaption.height - m_fSmallIconSz) / 2, m_fSmallIconSz,
-                   m_fSmallIconSz);
-    }
-  }
-}
-void CFWL_FormImp::RegisterForm() {
-  IFWL_App* pApp = GetOwnerApp();
-  if (!pApp)
-    return;
-
-  CFWL_NoteDriver* pDriver =
-      static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
-  if (!pDriver)
-    return;
-
-  pDriver->RegisterForm(this);
-}
-void CFWL_FormImp::UnRegisterForm() {
-  IFWL_App* pApp = GetOwnerApp();
-  if (!pApp)
-    return;
-
-  CFWL_NoteDriver* pDriver =
-      static_cast<CFWL_NoteDriver*>(pApp->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(CFWL_WidgetCapacity::SmallIcon));
-  m_fBigIconSz =
-      *static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::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 = CFWL_WidgetMgr::GetInstance();
-  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)
-    m_pBigIcon = pBigIcon;
-  if (pSmallIcon)
-    m_pSmallIcon = pSmallIcon;
-}
-void CFWL_FormImp::UpdateCaption() {
-  CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
-  if (!pWidgetMgr)
-    return;
-  IFWL_DataProvider* pData = m_pProperties->m_pDataProvider;
-  if (!pData)
-    return;
-  CFX_WideString text;
-  pData->GetCaption(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(nullptr, 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(nullptr, 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) {}
-
-#ifdef FWL_UseMacSystemBorder
-void CFWL_FormImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
-  if (!pMessage)
-    return;
-
-  switch (pMessage->GetClassID()) {
-    case CFWL_MessageType::Activate: {
-      m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
-      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
-      break;
-    }
-    case CFWL_MessageType::Deactivate: {
-      m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Deactivated;
-      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
-      break;
-    }
-    default:
-      break;
-  }
-}
-#else
-void CFWL_FormImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
-  if (!pMessage)
-    return;
-
-  switch (pMessage->GetClassID()) {
-    case CFWL_MessageType::Activate: {
-      m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Deactivated;
-      IFWL_App* pApp = m_pOwner->GetOwnerApp();
-      CFWL_NoteDriver* pDriver =
-          static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
-      CFWL_WidgetImp* pSubFocusImp = m_pOwner->GetSubFocus();
-      IFWL_Widget* pSubFocus =
-          pSubFocusImp ? pSubFocusImp->GetInterface() : nullptr;
-      if (pSubFocus && pSubFocus != pDriver->GetFocus())
-        pDriver->SetFocus(pSubFocus);
-
-      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
-      break;
-    }
-    case CFWL_MessageType::Deactivate: {
-      m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Deactivated;
-      IFWL_App* pApp = m_pOwner->GetOwnerApp();
-      CFWL_NoteDriver* pDriver =
-          static_cast<CFWL_NoteDriver*>(pApp->GetNoteDriver());
-      CFWL_WidgetImp* pSubFocusImp = m_pOwner->GetSubFocus();
-      IFWL_Widget* pSubFocus =
-          pSubFocusImp ? pSubFocusImp->GetInterface() : nullptr;
-      if (pSubFocus) {
-        if (pSubFocus == pDriver->GetFocus()) {
-          pDriver->SetFocus(nullptr);
-        } else if (pSubFocus->GetStates() & FWL_WGTSTATE_Focused) {
-          CFWL_MsgKillFocus ms;
-          IFWL_WidgetDelegate* pDelegate = pSubFocus->SetDelegate(nullptr);
-          if (pDelegate)
-            pDelegate->OnProcessMessage(&ms);
-        }
-      }
-      m_pOwner->Repaint(&m_pOwner->m_rtRelative);
-      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::Hover: {
-          OnMouseHover(pMsg);
-          break;
-        }
-        case FWL_MouseCommand::Leave: {
-          OnMouseLeave(pMsg);
-          break;
-        }
-        case FWL_MouseCommand::LeftButtonDblClk: {
-          OnLButtonDblClk(pMsg);
-          break;
-        }
-        default:
-          break;
-      }
-      break;
-    }
-    case CFWL_MessageType::Size: {
-      CFWL_WidgetMgr* pWidgetMgr = CFWL_WidgetMgr::GetInstance();
-      if (!pWidgetMgr)
-        return;
-
-      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);
-      m_pOwner->m_pProperties->m_rtWidget.left = 0;
-      m_pOwner->m_pProperties->m_rtWidget.top = 0;
-      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 CFWL_MessageType::WindowMove: {
-      OnWindowMove(static_cast<CFWL_MsgWindowMove*>(pMessage));
-      break;
-    }
-    case CFWL_MessageType::Close: {
-      OnClose(static_cast<CFWL_MsgClose*>(pMessage));
-      break;
-    }
-    default: {
-      break;
-    }
-  }
-}
-#endif  // FWL_UseMacSystemBorder
-
-void CFWL_FormImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {}
-
-void CFWL_FormImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
-                                        const CFX_Matrix* pMatrix) {
-  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 -
-                kSystemButtonSize * 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_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_MouseCommand::Leave && !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_WidgetHit::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);
-}
-
-CFWL_SysBtn::CFWL_SysBtn() {
-  m_rtBtn.Set(0, 0, 0, 0);
-  m_dwState = 0;
-}
-
-bool CFWL_SysBtn::IsDisabled() const {
-  return !!(m_dwState & FWL_SYSBUTTONSTATE_Disabled);
-}
-
-void CFWL_SysBtn::SetNormal() {
-  m_dwState &= 0xFFF0;
-}
-
-void CFWL_SysBtn::SetPressed() {
-  SetNormal();
-  m_dwState |= FWL_SYSBUTTONSTATE_Pressed;
-}
-
-void CFWL_SysBtn::SetHover() {
-  SetNormal();
-  m_dwState |= FWL_SYSBUTTONSTATE_Hover;
-}
-
-void CFWL_SysBtn::SetDisabled(FX_BOOL bDisabled) {
-  bDisabled ? m_dwState |= FWL_SYSBUTTONSTATE_Disabled
-            : m_dwState &= ~FWL_SYSBUTTONSTATE_Disabled;
-}
-
-uint32_t CFWL_SysBtn::GetPartState() const {
-  if (IsDisabled())
-    return CFWL_PartState_Disabled;
-  if (m_dwState & FWL_SYSBUTTONSTATE_Pressed)
-    return CFWL_PartState_Pressed;
-  if (m_dwState & FWL_SYSBUTTONSTATE_Hover)
-    return CFWL_PartState_Hovered;
-  return CFWL_PartState_Normal;
-}