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, 796 deletions

diff --git a/xfa/fwl/basewidget/fwl_scrollbarimp.cpp b/xfa/fwl/basewidget/fwl_scrollbarimp.cpp
deleted file mode 100644
index 7e68ea2272..0000000000
--- a/xfa/fwl/basewidget/fwl_scrollbarimp.cpp
+++ /dev/null
@@ -1,796 +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/basewidget/fwl_scrollbarimp.h"
-
-#include "xfa/fwl/basewidget/ifwl_scrollbar.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/fwl_noteimp.h"
-#include "xfa/fwl/core/fwl_widgetimp.h"
-#include "xfa/fwl/core/ifwl_themeprovider.h"
-
-#define FWL_SCROLLBAR_Elapse 500
-#define FWL_SCROLLBAR_MinThumb 5
-
-// static
-IFWL_ScrollBar* IFWL_ScrollBar::Create(
-    const CFWL_WidgetImpProperties& properties,
-    IFWL_Widget* pOuter) {
-  IFWL_ScrollBar* pScrollBar = new IFWL_ScrollBar;
-  CFWL_ScrollBarImp* pScrollBarImpl = new CFWL_ScrollBarImp(properties, pOuter);
-  pScrollBar->SetImpl(pScrollBarImpl);
-  pScrollBarImpl->SetInterface(pScrollBar);
-  return pScrollBar;
-}
-IFWL_ScrollBar::IFWL_ScrollBar() {}
-FX_BOOL IFWL_ScrollBar::IsVertical() {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->IsVertical();
-}
-FWL_Error IFWL_ScrollBar::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetRange(fMin, fMax);
-}
-FWL_Error IFWL_ScrollBar::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetRange(fMin, fMax);
-}
-FX_FLOAT IFWL_ScrollBar::GetPageSize() {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPageSize();
-}
-FWL_Error IFWL_ScrollBar::SetPageSize(FX_FLOAT fPageSize) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPageSize(fPageSize);
-}
-FX_FLOAT IFWL_ScrollBar::GetStepSize() {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetStepSize();
-}
-FWL_Error IFWL_ScrollBar::SetStepSize(FX_FLOAT fStepSize) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetStepSize(fStepSize);
-}
-FX_FLOAT IFWL_ScrollBar::GetPos() {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetPos();
-}
-FWL_Error IFWL_ScrollBar::SetPos(FX_FLOAT fPos) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetPos(fPos);
-}
-FX_FLOAT IFWL_ScrollBar::GetTrackPos() {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->GetTrackPos();
-}
-FWL_Error IFWL_ScrollBar::SetTrackPos(FX_FLOAT fTrackPos) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->SetTrackPos(fTrackPos);
-}
-FX_BOOL IFWL_ScrollBar::DoScroll(uint32_t dwCode, FX_FLOAT fPos) {
-  return static_cast<CFWL_ScrollBarImp*>(GetImpl())->DoScroll(dwCode, fPos);
-}
-CFWL_ScrollBarImp::CFWL_ScrollBarImp(const CFWL_WidgetImpProperties& properties,
-                                     IFWL_Widget* pOuter)
-    : CFWL_WidgetImp(properties, pOuter),
-      m_pTimerInfo(nullptr),
-      m_fRangeMin(0),
-      m_fRangeMax(-1),
-      m_fPageSize(0),
-      m_fStepSize(0),
-      m_fPos(0),
-      m_fTrackPos(0),
-      m_iMinButtonState(CFWL_PartState_Normal),
-      m_iMaxButtonState(CFWL_PartState_Normal),
-      m_iThumbButtonState(CFWL_PartState_Normal),
-      m_iMinTrackState(CFWL_PartState_Normal),
-      m_iMaxTrackState(CFWL_PartState_Normal),
-      m_fLastTrackPos(0),
-      m_cpTrackPointX(0),
-      m_cpTrackPointY(0),
-      m_iMouseWheel(0),
-      m_bTrackMouseLeave(FALSE),
-      m_bMouseHover(FALSE),
-      m_bMouseDown(FALSE),
-      m_bRepaintThumb(FALSE),
-      m_fButtonLen(0),
-      m_bMinSize(FALSE),
-      m_bCustomLayout(FALSE),
-      m_fMinThumb(FWL_SCROLLBAR_MinThumb) {
-  m_rtClient.Reset();
-  m_rtThumb.Reset();
-  m_rtMinBtn.Reset();
-  m_rtMaxBtn.Reset();
-  m_rtMinTrack.Reset();
-  m_rtMaxTrack.Reset();
-}
-
-CFWL_ScrollBarImp::~CFWL_ScrollBarImp() {}
-
-FWL_Error CFWL_ScrollBarImp::GetClassName(CFX_WideString& wsClass) const {
-  wsClass = FWL_CLASS_ScrollBar;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Type CFWL_ScrollBarImp::GetClassID() const {
-  return FWL_Type::ScrollBar;
-}
-
-FWL_Error CFWL_ScrollBarImp::Initialize() {
-  if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded)
-    return FWL_Error::Indefinite;
-
-  m_pDelegate = new CFWL_ScrollBarImpDelegate(this);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_ScrollBarImp::Finalize() {
-  delete m_pDelegate;
-  m_pDelegate = nullptr;
-  return CFWL_WidgetImp::Finalize();
-}
-FWL_Error CFWL_ScrollBarImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
-  if (bAutoSize) {
-    rect.Set(0, 0, 0, 0);
-    FX_FLOAT* pfMinWidth = static_cast<FX_FLOAT*>(
-        GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-    if (!pfMinWidth)
-      return FWL_Error::Indefinite;
-    if (IsVertical()) {
-      rect.Set(0, 0, (*pfMinWidth), (*pfMinWidth) * 3);
-    } else {
-      rect.Set(0, 0, (*pfMinWidth) * 3, (*pfMinWidth));
-    }
-    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
-  } else {
-    rect = m_pProperties->m_rtWidget;
-  }
-  return FWL_Error::Succeeded;
-}
-FWL_Error CFWL_ScrollBarImp::Update() {
-  if (IsLocked()) {
-    return FWL_Error::Indefinite;
-  }
-  if (!m_pProperties->m_pThemeProvider) {
-    m_pProperties->m_pThemeProvider = GetAvailableTheme();
-  }
-  Layout();
-  return FWL_Error::Succeeded;
-}
-FWL_Error CFWL_ScrollBarImp::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, pTheme, pMatrix);
-  }
-  if (HasEdge()) {
-    DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
-  }
-  DrawTrack(pGraphics, pTheme, TRUE, pMatrix);
-  DrawTrack(pGraphics, pTheme, FALSE, pMatrix);
-  DrawArrowBtn(pGraphics, pTheme, TRUE, pMatrix);
-  DrawArrowBtn(pGraphics, pTheme, FALSE, pMatrix);
-  DrawThumb(pGraphics, pTheme, pMatrix);
-  return FWL_Error::Succeeded;
-}
-inline FX_BOOL CFWL_ScrollBarImp::IsVertical() {
-  return m_pProperties->m_dwStyleExes & FWL_STYLEEXT_SCB_Vert;
-}
-FWL_Error CFWL_ScrollBarImp::GetRange(FX_FLOAT& fMin, FX_FLOAT& fMax) {
-  fMin = m_fRangeMin;
-  fMax = m_fRangeMax;
-  return FWL_Error::Succeeded;
-}
-FWL_Error CFWL_ScrollBarImp::SetRange(FX_FLOAT fMin, FX_FLOAT fMax) {
-  m_fRangeMin = fMin;
-  m_fRangeMax = fMax;
-  return FWL_Error::Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetPageSize() {
-  return m_fPageSize;
-}
-FWL_Error CFWL_ScrollBarImp::SetPageSize(FX_FLOAT fPageSize) {
-  m_fPageSize = fPageSize;
-  return FWL_Error::Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetStepSize() {
-  return m_fStepSize;
-}
-FWL_Error CFWL_ScrollBarImp::SetStepSize(FX_FLOAT fStepSize) {
-  m_fStepSize = fStepSize;
-  return FWL_Error::Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetPos() {
-  return m_fPos;
-}
-FWL_Error CFWL_ScrollBarImp::SetPos(FX_FLOAT fPos) {
-  m_fPos = fPos;
-  return FWL_Error::Succeeded;
-}
-FX_FLOAT CFWL_ScrollBarImp::GetTrackPos() {
-  return m_fTrackPos;
-}
-FWL_Error CFWL_ScrollBarImp::SetTrackPos(FX_FLOAT fTrackPos) {
-  m_fTrackPos = fTrackPos;
-  CalcThumbButtonRect(m_rtThumb);
-  CalcMinTrackRect(m_rtMinTrack);
-  CalcMaxTrackRect(m_rtMaxTrack);
-  return FWL_Error::Succeeded;
-}
-FX_BOOL CFWL_ScrollBarImp::DoScroll(uint32_t dwCode, FX_FLOAT fPos) {
-  switch (dwCode) {
-    case FWL_SCBCODE_Min:
-    case FWL_SCBCODE_Max:
-    case FWL_SCBCODE_PageBackward:
-    case FWL_SCBCODE_PageForward:
-    case FWL_SCBCODE_StepBackward:
-      break;
-    case FWL_SCBCODE_StepForward:
-      break;
-    case FWL_SCBCODE_Pos:
-    case FWL_SCBCODE_TrackPos:
-    case FWL_SCBCODE_EndScroll:
-      break;
-    default: { return FALSE; }
-  }
-  return OnScroll(dwCode, fPos);
-}
-
-void CFWL_ScrollBarImp::Run(IFWL_TimerInfo* pTimerInfo) {
-  if (m_pTimerInfo)
-    m_pTimerInfo->StopTimer();
-
-  if (!SendEvent())
-    m_pTimerInfo = StartTimer(0, true);
-}
-
-FWL_Error CFWL_ScrollBarImp::SetOuter(IFWL_Widget* pOuter) {
-  m_pOuter = pOuter;
-  return FWL_Error::Succeeded;
-}
-void CFWL_ScrollBarImp::DrawTrack(CFX_Graphics* pGraphics,
-                                  IFWL_ThemeProvider* pTheme,
-                                  FX_BOOL bLower,
-                                  const CFX_Matrix* pMatrix) {
-  CFWL_ThemeBackground param;
-  param.m_pWidget = m_pInterface;
-  param.m_iPart = bLower ? CFWL_Part::LowerTrack : CFWL_Part::UpperTrack;
-  param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
-                         ? CFWL_PartState_Disabled
-                         : (bLower ? m_iMinTrackState : m_iMaxTrackState);
-  param.m_pGraphics = pGraphics;
-  param.m_matrix.Concat(*pMatrix);
-  param.m_rtPart = bLower ? m_rtMinTrack : m_rtMaxTrack;
-  pTheme->DrawBackground(&param);
-}
-void CFWL_ScrollBarImp::DrawArrowBtn(CFX_Graphics* pGraphics,
-                                     IFWL_ThemeProvider* pTheme,
-                                     FX_BOOL bMinBtn,
-                                     const CFX_Matrix* pMatrix) {
-  CFWL_ThemeBackground param;
-  param.m_pWidget = m_pInterface;
-  param.m_iPart = bMinBtn ? CFWL_Part::ForeArrow : CFWL_Part::BackArrow;
-  param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
-                         ? CFWL_PartState_Disabled
-                         : (bMinBtn ? m_iMinButtonState : m_iMaxButtonState);
-  param.m_pGraphics = pGraphics;
-  param.m_matrix.Concat(*pMatrix);
-  param.m_rtPart = bMinBtn ? m_rtMinBtn : m_rtMaxBtn;
-  if (param.m_rtPart.height > 0 && param.m_rtPart.width > 0) {
-    pTheme->DrawBackground(&param);
-  }
-}
-void CFWL_ScrollBarImp::DrawThumb(CFX_Graphics* pGraphics,
-                                  IFWL_ThemeProvider* pTheme,
-                                  const CFX_Matrix* pMatrix) {
-  CFWL_ThemeBackground param;
-  param.m_pWidget = m_pInterface;
-  param.m_iPart = CFWL_Part::Thumb;
-  param.m_dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)
-                         ? CFWL_PartState_Disabled
-                         : m_iThumbButtonState;
-  param.m_pGraphics = pGraphics;
-  param.m_matrix.Concat(*pMatrix);
-  param.m_rtPart = m_rtThumb;
-  pTheme->DrawBackground(&param);
-}
-void CFWL_ScrollBarImp::Layout() {
-  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
-  CFWL_ThemePart part;
-  part.m_pWidget = m_pInterface;
-  m_fMinThumb = *static_cast<FX_FLOAT*>(
-      pTheme->GetCapacity(&part, CFWL_WidgetCapacity::Size));
-  m_bCustomLayout = pTheme->IsCustomizedLayout(m_pInterface);
-  GetClientRect(m_rtClient);
-  CalcButtonLen();
-  CalcMinButtonRect(m_rtMinBtn);
-  CalcMaxButtonRect(m_rtMaxBtn);
-  CalcThumbButtonRect(m_rtThumb);
-  CalcMinTrackRect(m_rtMinTrack);
-  CalcMaxTrackRect(m_rtMaxTrack);
-}
-void CFWL_ScrollBarImp::CalcButtonLen() {
-  m_fButtonLen = IsVertical() ? m_rtClient.width : m_rtClient.height;
-  FX_FLOAT fLength = IsVertical() ? m_rtClient.height : m_rtClient.width;
-  if (fLength < m_fButtonLen * 2) {
-    m_fButtonLen = fLength / 2;
-    m_bMinSize = TRUE;
-  } else {
-    m_bMinSize = FALSE;
-  }
-}
-void CFWL_ScrollBarImp::CalcMinButtonRect(CFX_RectF& rect) {
-  if (m_bCustomLayout)
-    return;
-
-  rect.left = m_rtClient.left;
-  rect.top = m_rtClient.top;
-  rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
-  rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
-}
-
-void CFWL_ScrollBarImp::CalcMaxButtonRect(CFX_RectF& rect) {
-  if (m_bCustomLayout)
-    return;
-
-  rect.left =
-      IsVertical() ? m_rtClient.left : m_rtClient.right() - m_fButtonLen;
-  rect.top = IsVertical() ? m_rtClient.bottom() - m_fButtonLen : m_rtClient.top;
-  rect.width = IsVertical() ? m_rtClient.width : m_fButtonLen;
-  rect.height = IsVertical() ? m_fButtonLen : m_rtClient.height;
-}
-
-void CFWL_ScrollBarImp::CalcThumbButtonRect(CFX_RectF& rect) {
-  if (!IsEnabled()) {
-    m_rtThumb.Reset();
-    return;
-  }
-  if (m_bMinSize) {
-    m_rtThumb.Empty();
-    return;
-  }
-  FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
-  memset(&rect, 0, sizeof(CFX_Rect));
-  if (fRange < 0) {
-    if (IsVertical()) {
-      rect.Set(m_rtClient.left, m_rtMaxBtn.bottom(), m_rtClient.width, 0);
-    } else {
-      rect.Set(m_rtMaxBtn.right(), m_rtClient.top, 0, m_rtClient.height);
-    }
-    return;
-  }
-  CFX_RectF rtClient = m_rtClient;
-  FX_FLOAT fLength = IsVertical() ? rtClient.height : rtClient.width;
-  FX_FLOAT fSize = m_fButtonLen;
-  if (m_bCustomLayout) {
-    if (IsVertical()) {
-      fLength = fLength - m_rtMinBtn.height - m_rtMaxBtn.height;
-      if (fLength < m_rtMinBtn.height || fLength < m_rtMaxBtn.height) {
-        fLength = 0.0f;
-      }
-    } else {
-      fLength = fLength - m_rtMinBtn.width - m_rtMaxBtn.width;
-      if (fLength < m_rtMinBtn.width || fLength < m_rtMaxBtn.width) {
-        fLength = 0.0f;
-      }
-    }
-  } else {
-    fLength -= fSize * 2.0f;
-    if (fLength < fSize) {
-      fLength = 0.0f;
-    }
-  }
-  FX_FLOAT fThumbSize = fLength * fLength / (fRange + fLength);
-  if (fThumbSize < m_fMinThumb) {
-    fThumbSize = m_fMinThumb;
-  }
-  FX_FLOAT fDiff = fLength - fThumbSize;
-  if (fDiff < 0.0f) {
-    fDiff = 0.0f;
-  }
-  FX_FLOAT fTrackPos = m_fTrackPos;
-  if (fTrackPos > m_fRangeMax) {
-    fTrackPos = m_fRangeMax;
-  }
-  if (fTrackPos < m_fRangeMin) {
-    fTrackPos = m_fRangeMin;
-  }
-  if (!fRange)
-    return;
-  if (m_bCustomLayout) {
-    FX_FLOAT iPos = fDiff * (fTrackPos - m_fRangeMin) / fRange;
-    rect.left = rtClient.left;
-    if (!IsVertical()) {
-      if ((m_rtMinBtn.right() == m_rtMaxBtn.left && m_rtMinBtn.width > 0 &&
-           m_rtMaxBtn.width > 0) ||
-          (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width)) {
-        rect.left += iPos;
-      } else {
-        rect.left += m_rtMinBtn.right() + iPos;
-      }
-    }
-    rect.top = rtClient.top;
-    if (IsVertical()) {
-      if ((m_rtMinBtn.bottom() == m_rtMaxBtn.top && m_rtMinBtn.height > 0 &&
-           m_rtMaxBtn.height > 0) ||
-          (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height)) {
-        rect.top += iPos;
-      } else {
-        rect.top += m_rtMinBtn.bottom() + iPos;
-      }
-    }
-    rect.width = IsVertical() ? rtClient.width : fThumbSize;
-    rect.height = IsVertical() ? fThumbSize : rtClient.height;
-  } else {
-    FX_FLOAT iPos = fSize + fDiff * (fTrackPos - m_fRangeMin) / fRange;
-    rect.left = rtClient.left;
-    if (!IsVertical()) {
-      rect.left += iPos;
-    }
-    rect.top = rtClient.top;
-    if (IsVertical()) {
-      rect.top += iPos;
-    }
-    rect.width = IsVertical() ? rtClient.width : fThumbSize;
-    rect.height = IsVertical() ? fThumbSize : rtClient.height;
-  }
-}
-void CFWL_ScrollBarImp::CalcMinTrackRect(CFX_RectF& rect) {
-  if (m_bMinSize) {
-    rect.Empty();
-    return;
-  }
-  FX_FLOAT fBottom = m_rtThumb.bottom();
-  FX_FLOAT fRight = m_rtThumb.right();
-  FX_FLOAT ix = (m_rtThumb.left + fRight) / 2;
-  FX_FLOAT iy = (m_rtThumb.top + fBottom) / 2;
-  rect.left = m_rtClient.left;
-  rect.top = m_rtClient.top;
-  FX_BOOL bVertical = IsVertical();
-  rect.width = bVertical ? m_rtClient.width : ix;
-  rect.height = bVertical ? iy : m_rtClient.height;
-  if (m_bCustomLayout) {
-    if (bVertical) {
-      if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
-        rect.top = m_rtClient.top;
-      } else if (m_rtMinBtn.top < m_rtThumb.top) {
-        rect.top = m_rtMinBtn.bottom();
-        rect.height -= (m_rtMinBtn.bottom() - m_rtClient.top);
-      }
-    } else {
-      if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
-        rect.left = m_rtClient.left;
-      } else if (m_rtMinBtn.left < m_rtThumb.left) {
-        rect.left = m_rtMinBtn.right();
-        rect.width -= (m_rtMinBtn.right() - m_rtClient.left);
-      }
-    }
-  }
-}
-void CFWL_ScrollBarImp::CalcMaxTrackRect(CFX_RectF& rect) {
-  if (m_bMinSize) {
-    rect.Empty();
-    return;
-  }
-  FX_FLOAT ix = (m_rtThumb.left + m_rtThumb.right()) / 2;
-  FX_FLOAT iy = (m_rtThumb.top + m_rtThumb.bottom()) / 2;
-  FX_BOOL bVertical = IsVertical();
-  rect.left = bVertical ? m_rtClient.left : ix;
-  rect.top = bVertical ? iy : m_rtClient.top;
-  rect.width = bVertical ? m_rtClient.width : m_rtClient.right() - ix;
-  rect.height = bVertical ? m_rtClient.bottom() - iy : m_rtClient.height;
-  if (m_bCustomLayout) {
-    if (bVertical) {
-      if (m_rtMinBtn.top > m_rtThumb.top && m_rtMinBtn.height > 0 &&
-          m_rtMaxBtn.height > 0) {
-        rect.height -= (m_rtClient.bottom() - m_rtMinBtn.top);
-      } else if (m_rtMinBtn.height > 0 && m_rtMaxBtn.height > 0) {
-        rect.height -= (m_rtClient.bottom() - m_rtMaxBtn.top);
-      }
-    } else {
-      if (m_rtMinBtn.left > m_rtThumb.left && m_rtMinBtn.width > 0 &&
-          m_rtMaxBtn.width > 0) {
-        rect.width -= (m_rtClient.right() - m_rtMinBtn.left);
-      } else if (m_rtMinBtn.width > 0 && m_rtMaxBtn.width > 0) {
-        rect.width -= (m_rtClient.right() - m_rtMaxBtn.left);
-      }
-    }
-  }
-}
-FX_FLOAT CFWL_ScrollBarImp::GetTrackPointPos(FX_FLOAT fx, FX_FLOAT fy) {
-  FX_FLOAT fDiffX = fx - m_cpTrackPointX;
-  FX_FLOAT fDiffY = fy - m_cpTrackPointY;
-  FX_FLOAT fRange = m_fRangeMax - m_fRangeMin;
-  FX_FLOAT fPos;
-  if (m_bCustomLayout) {
-    if (IsVertical()) {
-      if (0 == m_rtMinBtn.height && 0 == m_rtMaxBtn.height) {
-        fPos = fRange * fDiffY / (m_rtClient.height - m_rtThumb.height);
-      } else if (m_rtMinBtn.bottom() == m_rtMaxBtn.top) {
-        fPos = fRange * fDiffY /
-               (m_rtMinBtn.top - m_rtClient.top - m_rtThumb.height);
-      } else {
-        fPos = fRange * fDiffY /
-               (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
-      }
-    } else {
-      if (0 == m_rtMinBtn.width && 0 == m_rtMaxBtn.width) {
-        fPos = fRange * fDiffX / (m_rtClient.width - m_rtThumb.width);
-      } else if (m_rtMinBtn.right() == m_rtMaxBtn.left) {
-        fPos = fRange * fDiffX /
-               (m_rtMinBtn.left - m_rtClient.left - m_rtThumb.width);
-      } else {
-        fPos = fRange * fDiffX /
-               (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
-      }
-    }
-  } else {
-    if (IsVertical()) {
-      fPos = fRange * fDiffY /
-             (m_rtMaxBtn.top - m_rtMinBtn.bottom() - m_rtThumb.height);
-    } else {
-      fPos = fRange * fDiffX /
-             (m_rtMaxBtn.left - m_rtMinBtn.right() - m_rtThumb.width);
-    }
-  }
-  fPos += m_fLastTrackPos;
-  if (fPos < m_fRangeMin) {
-    fPos = m_fRangeMin;
-  }
-  if (fPos > m_fRangeMax) {
-    fPos = m_fRangeMax;
-  }
-  return fPos;
-}
-void CFWL_ScrollBarImp::GetTrackRect(CFX_RectF& rect, FX_BOOL bLower) {
-  FX_BOOL bDisabled = m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled;
-  if (bDisabled || m_bCustomLayout) {
-    rect = bLower ? m_rtMinTrack : m_rtMaxTrack;
-  } else {
-    FX_FLOAT fW = m_rtThumb.width / 2;
-    FX_FLOAT fH = m_rtThumb.height / 2;
-    FX_BOOL bVert = IsVertical();
-    if (bLower) {
-      if (bVert) {
-        FX_FLOAT fMinTrackHeight = m_rtMinTrack.height - fH - m_rtMinBtn.height;
-        fMinTrackHeight = (fMinTrackHeight >= 0.0f) ? fMinTrackHeight : 0.0f;
-        rect.Set(m_rtMinTrack.left, m_rtMinTrack.top + m_rtMinBtn.height,
-                 m_rtMinTrack.width, fMinTrackHeight);
-      } else {
-        FX_FLOAT fMinTrackWidth =
-            m_rtMinTrack.width - fW - m_rtMinBtn.width + 2;
-        fMinTrackWidth = (fMinTrackWidth >= 0.0f) ? fMinTrackWidth : 0.0f;
-        rect.Set(m_rtMinTrack.left + m_rtMinBtn.width - 1, m_rtMinTrack.top,
-                 fMinTrackWidth, m_rtMinTrack.height);
-      }
-    } else {
-      if (bVert) {
-        FX_FLOAT fMaxTrackHeight = m_rtMaxTrack.height - fH - m_rtMaxBtn.height;
-        fMaxTrackHeight = (fMaxTrackHeight >= 0.0f) ? fMaxTrackHeight : 0.0f;
-        rect.Set(m_rtMaxTrack.left, m_rtMaxTrack.top + fH, m_rtMaxTrack.width,
-                 fMaxTrackHeight);
-      } else {
-        FX_FLOAT fMaxTrackWidth =
-            m_rtMaxTrack.width - fW - m_rtMaxBtn.width + 2;
-        fMaxTrackWidth = (fMaxTrackWidth >= 0.0f) ? fMaxTrackWidth : 0.0f;
-        rect.Set(m_rtMaxTrack.left + fW, m_rtMaxTrack.top, fMaxTrackWidth,
-                 m_rtMaxTrack.height);
-      }
-    }
-  }
-}
-FX_BOOL CFWL_ScrollBarImp::SendEvent() {
-  if (m_iMinButtonState == CFWL_PartState_Pressed) {
-    DoScroll(FWL_SCBCODE_StepBackward, m_fTrackPos);
-    return FALSE;
-  }
-  if (m_iMaxButtonState == CFWL_PartState_Pressed) {
-    DoScroll(FWL_SCBCODE_StepForward, m_fTrackPos);
-    return FALSE;
-  }
-  if (m_iMinTrackState == CFWL_PartState_Pressed) {
-    DoScroll(FWL_SCBCODE_PageBackward, m_fTrackPos);
-    return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
-  }
-  if (m_iMaxTrackState == CFWL_PartState_Pressed) {
-    DoScroll(FWL_SCBCODE_PageForward, m_fTrackPos);
-    return m_rtThumb.Contains(m_cpTrackPointX, m_cpTrackPointY);
-  }
-  if (m_iMouseWheel) {
-    uint16_t dwCode =
-        m_iMouseWheel < 0 ? FWL_SCBCODE_StepForward : FWL_SCBCODE_StepBackward;
-    DoScroll(dwCode, m_fTrackPos);
-  }
-  return TRUE;
-}
-FX_BOOL CFWL_ScrollBarImp::OnScroll(uint32_t dwCode, FX_FLOAT fPos) {
-  FX_BOOL bRet = TRUE;
-  CFWL_EvtScroll ev;
-  ev.m_iScrollCode = dwCode;
-  ev.m_pSrcTarget = m_pInterface;
-  ev.m_fPos = fPos;
-  ev.m_pRet = &bRet;
-  DispatchEvent(&ev);
-  return bRet;
-}
-
-CFWL_ScrollBarImpDelegate::CFWL_ScrollBarImpDelegate(CFWL_ScrollBarImp* pOwner)
-    : m_pOwner(pOwner) {}
-
-void CFWL_ScrollBarImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
-  if (!pMessage)
-    return;
-
-  CFWL_MessageType dwMsgCode = pMessage->GetClassID();
-  if (dwMsgCode == CFWL_MessageType::Mouse) {
-    CFWL_MsgMouse* pMsg = static_cast<CFWL_MsgMouse*>(pMessage);
-    switch (pMsg->m_dwCmd) {
-      case FWL_MouseCommand::LeftButtonDown: {
-        OnLButtonDown(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
-        break;
-      }
-      case FWL_MouseCommand::LeftButtonUp: {
-        OnLButtonUp(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
-        break;
-      }
-      case FWL_MouseCommand::Move: {
-        OnMouseMove(pMsg->m_dwFlags, pMsg->m_fx, pMsg->m_fy);
-        break;
-      }
-      case FWL_MouseCommand::Leave: {
-        OnMouseLeave();
-        break;
-      }
-      default: {
-        break;
-      }
-    }
-  } else if (dwMsgCode == CFWL_MessageType::MouseWheel) {
-    CFWL_MsgMouseWheel* pMsg = static_cast<CFWL_MsgMouseWheel*>(pMessage);
-    OnMouseWheel(pMsg->m_fx, pMsg->m_fy, pMsg->m_dwFlags, pMsg->m_fDeltaX,
-                 pMsg->m_fDeltaY);
-  }
-}
-
-void CFWL_ScrollBarImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
-                                             const CFX_Matrix* pMatrix) {
-  m_pOwner->DrawWidget(pGraphics, pMatrix);
-}
-
-void CFWL_ScrollBarImpDelegate::OnLButtonDown(uint32_t dwFlags,
-                                              FX_FLOAT fx,
-                                              FX_FLOAT fy) {
-  if (!m_pOwner->IsEnabled()) {
-    return;
-  }
-  m_pOwner->m_bMouseDown = TRUE;
-  m_pOwner->SetGrab(TRUE);
-  m_pOwner->m_cpTrackPointX = fx;
-  m_pOwner->m_cpTrackPointY = fy;
-  m_pOwner->m_fLastTrackPos = m_pOwner->m_fTrackPos;
-  if (m_pOwner->m_rtMinBtn.Contains(fx, fy)) {
-    DoMouseDown(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
-  } else {
-    if (m_pOwner->m_rtThumb.Contains(fx, fy)) {
-      DoMouseDown(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx,
-                  fy);
-    } else {
-      if (m_pOwner->m_rtMaxBtn.Contains(fx, fy)) {
-        DoMouseDown(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx,
-                    fy);
-      } else {
-        if (m_pOwner->m_rtMinTrack.Contains(fx, fy)) {
-          DoMouseDown(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx,
-                      fy);
-        } else {
-          DoMouseDown(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx,
-                      fy);
-        }
-      }
-    }
-  }
-  if (!m_pOwner->SendEvent())
-    m_pOwner->m_pTimerInfo = m_pOwner->StartTimer(FWL_SCROLLBAR_Elapse, true);
-}
-
-void CFWL_ScrollBarImpDelegate::OnLButtonUp(uint32_t dwFlags,
-                                            FX_FLOAT fx,
-                                            FX_FLOAT fy) {
-  m_pOwner->m_pTimerInfo->StopTimer();
-  m_pOwner->m_bMouseDown = FALSE;
-  DoMouseUp(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
-  DoMouseUp(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
-  DoMouseUp(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
-  DoMouseUp(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
-  DoMouseUp(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
-  m_pOwner->SetGrab(FALSE);
-}
-void CFWL_ScrollBarImpDelegate::OnMouseMove(uint32_t dwFlags,
-                                            FX_FLOAT fx,
-                                            FX_FLOAT fy) {
-  DoMouseMove(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState, fx, fy);
-  DoMouseMove(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState, fx, fy);
-  DoMouseMove(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState, fx, fy);
-  DoMouseMove(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState, fx, fy);
-  DoMouseMove(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState, fx, fy);
-}
-void CFWL_ScrollBarImpDelegate::OnMouseLeave() {
-  DoMouseLeave(0, m_pOwner->m_rtMinBtn, m_pOwner->m_iMinButtonState);
-  DoMouseLeave(1, m_pOwner->m_rtThumb, m_pOwner->m_iThumbButtonState);
-  DoMouseLeave(2, m_pOwner->m_rtMaxBtn, m_pOwner->m_iMaxButtonState);
-  DoMouseLeave(3, m_pOwner->m_rtMinTrack, m_pOwner->m_iMinTrackState);
-  DoMouseLeave(4, m_pOwner->m_rtMaxTrack, m_pOwner->m_iMaxTrackState);
-}
-void CFWL_ScrollBarImpDelegate::OnMouseWheel(FX_FLOAT fx,
-                                             FX_FLOAT fy,
-                                             uint32_t dwFlags,
-                                             FX_FLOAT fDeltaX,
-                                             FX_FLOAT fDeltaY) {
-  m_pOwner->m_iMouseWheel = (int32_t)fDeltaX;
-  m_pOwner->SendEvent();
-  m_pOwner->m_iMouseWheel = 0;
-}
-void CFWL_ScrollBarImpDelegate::DoMouseDown(int32_t iItem,
-                                            const CFX_RectF& rtItem,
-                                            int32_t& iState,
-                                            FX_FLOAT fx,
-                                            FX_FLOAT fy) {
-  if (!rtItem.Contains(fx, fy)) {
-    return;
-  }
-  if (iState == CFWL_PartState_Pressed) {
-    return;
-  }
-  iState = CFWL_PartState_Pressed;
-  m_pOwner->Repaint(&rtItem);
-}
-void CFWL_ScrollBarImpDelegate::DoMouseUp(int32_t iItem,
-                                          const CFX_RectF& rtItem,
-                                          int32_t& iState,
-                                          FX_FLOAT fx,
-                                          FX_FLOAT fy) {
-  int32_t iNewState =
-      rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered : CFWL_PartState_Normal;
-  if (iState == iNewState) {
-    return;
-  }
-  iState = iNewState;
-  m_pOwner->Repaint(&rtItem);
-  m_pOwner->OnScroll(FWL_SCBCODE_EndScroll, m_pOwner->m_fTrackPos);
-}
-void CFWL_ScrollBarImpDelegate::DoMouseMove(int32_t iItem,
-                                            const CFX_RectF& rtItem,
-                                            int32_t& iState,
-                                            FX_FLOAT fx,
-                                            FX_FLOAT fy) {
-  if (!m_pOwner->m_bMouseDown) {
-    int32_t iNewState = rtItem.Contains(fx, fy) ? CFWL_PartState_Hovered
-                                                : CFWL_PartState_Normal;
-    if (iState == iNewState) {
-      return;
-    }
-    iState = iNewState;
-    m_pOwner->Repaint(&rtItem);
-  } else if ((2 == iItem) &&
-             (m_pOwner->m_iThumbButtonState == CFWL_PartState_Pressed)) {
-    FX_FLOAT fPos = m_pOwner->GetTrackPointPos(fx, fy);
-    m_pOwner->m_fTrackPos = fPos;
-    m_pOwner->OnScroll(FWL_SCBCODE_TrackPos, fPos);
-  }
-}
-void CFWL_ScrollBarImpDelegate::DoMouseLeave(int32_t iItem,
-                                             const CFX_RectF& rtItem,
-                                             int32_t& iState) {
-  if (iState == CFWL_PartState_Normal) {
-    return;
-  }
-  iState = CFWL_PartState_Normal;
-  m_pOwner->Repaint(&rtItem);
-}
-void CFWL_ScrollBarImpDelegate::DoMouseHover(int32_t iItem,
-                                             const CFX_RectF& rtItem,
-                                             int32_t& iState) {
-  if (iState == CFWL_PartState_Hovered) {
-    return;
-  }
-  iState = CFWL_PartState_Hovered;
-  m_pOwner->Repaint(&rtItem);
-}