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, 2194 deletions

diff --git a/xfa/fwl/basewidget/fwl_editimp.cpp b/xfa/fwl/basewidget/fwl_editimp.cpp
deleted file mode 100644
index 0f939f1145..0000000000
--- a/xfa/fwl/basewidget/fwl_editimp.cpp
+++ /dev/null
@@ -1,2194 +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_editimp.h"
-
-#include <algorithm>
-#include <memory>
-#include <vector>
-
-#include "third_party/base/stl_util.h"
-#include "xfa/fde/cfde_txtedtengine.h"
-#include "xfa/fde/fde_gedevice.h"
-#include "xfa/fde/fde_render.h"
-#include "xfa/fde/ifde_txtedtpage.h"
-#include "xfa/fgas/font/fgas_gefont.h"
-#include "xfa/fwl/basewidget/fwl_caretimp.h"
-#include "xfa/fwl/basewidget/fwl_comboboximp.h"
-#include "xfa/fwl/basewidget/fwl_scrollbarimp.h"
-#include "xfa/fwl/basewidget/ifwl_caret.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_widgetmgr.h"
-#include "xfa/fwl/core/fwl_widgetimp.h"
-#include "xfa/fwl/core/ifwl_app.h"
-#include "xfa/fwl/core/ifwl_themeprovider.h"
-#include "xfa/fxfa/xfa_ffdoc.h"
-#include "xfa/fxfa/xfa_ffwidget.h"
-#include "xfa/fxgraphics/cfx_path.h"
-
-namespace {
-
-const int kEditMargin = 3;
-
-bool FX_EDIT_ISLATINWORD(FX_WCHAR c) {
-  return c == 0x2D || (c <= 0x005A && c >= 0x0041) ||
-         (c <= 0x007A && c >= 0x0061) || (c <= 0x02AF && c >= 0x00C0) ||
-         c == 0x0027;
-}
-
-void AddSquigglyPath(CFX_Path* pPathData,
-                     FX_FLOAT fStartX,
-                     FX_FLOAT fEndX,
-                     FX_FLOAT fY,
-                     FX_FLOAT fStep) {
-  pPathData->MoveTo(fStartX, fY);
-  int i = 1;
-  for (FX_FLOAT fx = fStartX + fStep; fx < fEndX; fx += fStep, ++i) {
-    pPathData->LineTo(fx, fY + (i & 1) * fStep);
-  }
-}
-
-}  // namespace
-
-// static
-IFWL_Edit* IFWL_Edit::Create(const CFWL_WidgetImpProperties& properties,
-                             IFWL_Widget* pOuter) {
-  IFWL_Edit* pEdit = new IFWL_Edit;
-  CFWL_EditImp* pEditImpl = new CFWL_EditImp(properties, pOuter);
-  pEdit->SetImpl(pEditImpl);
-  pEditImpl->SetInterface(pEdit);
-  return pEdit;
-}
-// static
-IFWL_Edit* IFWL_Edit::CreateComboEdit(
-    const CFWL_WidgetImpProperties& properties,
-    IFWL_Widget* pOuter) {
-  IFWL_Edit* pEdit = new IFWL_Edit;
-  CFWL_EditImp* pComboEditImpl = new CFWL_ComboEditImp(properties, pOuter);
-  pEdit->SetImpl(pComboEditImpl);
-  pComboEditImpl->SetInterface(pEdit);
-  return pEdit;
-}
-IFWL_Edit::IFWL_Edit() {}
-FWL_Error IFWL_Edit::SetText(const CFX_WideString& wsText) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetText(wsText);
-}
-int32_t IFWL_Edit::GetTextLength() const {
-  return static_cast<CFWL_EditImp*>(GetImpl())->GetTextLength();
-}
-FWL_Error IFWL_Edit::GetText(CFX_WideString& wsText,
-                             int32_t nStart,
-                             int32_t nCount) const {
-  return static_cast<CFWL_EditImp*>(GetImpl())->GetText(wsText, nStart, nCount);
-}
-FWL_Error IFWL_Edit::ClearText() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->ClearText();
-}
-int32_t IFWL_Edit::GetCaretPos() const {
-  return static_cast<CFWL_EditImp*>(GetImpl())->GetCaretPos();
-}
-int32_t IFWL_Edit::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetCaretPos(nIndex, bBefore);
-}
-FWL_Error IFWL_Edit::AddSelRange(int32_t nStart, int32_t nCount) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->AddSelRange(nStart, nCount);
-}
-int32_t IFWL_Edit::CountSelRanges() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->CountSelRanges();
-}
-int32_t IFWL_Edit::GetSelRange(int32_t nIndex, int32_t& nStart) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->GetSelRange(nIndex, nStart);
-}
-FWL_Error IFWL_Edit::ClearSelections() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->ClearSelections();
-}
-int32_t IFWL_Edit::GetLimit() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->GetLimit();
-}
-FWL_Error IFWL_Edit::SetLimit(int32_t nLimit) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetLimit(nLimit);
-}
-FWL_Error IFWL_Edit::SetAliasChar(FX_WCHAR wAlias) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetAliasChar(wAlias);
-}
-FWL_Error IFWL_Edit::Insert(int32_t nStart,
-                            const FX_WCHAR* lpText,
-                            int32_t nLen) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Insert(nStart, lpText, nLen);
-}
-FWL_Error IFWL_Edit::DeleteSelections() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->DeleteSelections();
-}
-FWL_Error IFWL_Edit::DeleteRange(int32_t nStart, int32_t nCount) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->DeleteRange(nStart, nCount);
-}
-FWL_Error IFWL_Edit::Replace(int32_t nStart,
-                             int32_t nLen,
-                             const CFX_WideStringC& wsReplace) {
-  return static_cast<CFWL_EditImp*>(GetImpl())
-      ->Replace(nStart, nLen, wsReplace);
-}
-FWL_Error IFWL_Edit::DoClipboard(int32_t iCmd) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->DoClipboard(iCmd);
-}
-FX_BOOL IFWL_Edit::Copy(CFX_WideString& wsCopy) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Copy(wsCopy);
-}
-FX_BOOL IFWL_Edit::Cut(CFX_WideString& wsCut) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Cut(wsCut);
-}
-FX_BOOL IFWL_Edit::Paste(const CFX_WideString& wsPaste) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Paste(wsPaste);
-}
-FX_BOOL IFWL_Edit::Delete() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Delete();
-}
-FX_BOOL IFWL_Edit::Redo(const IFDE_TxtEdtDoRecord* pRecord) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Redo(pRecord);
-}
-FX_BOOL IFWL_Edit::Undo(const IFDE_TxtEdtDoRecord* pRecord) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Undo(pRecord);
-}
-FX_BOOL IFWL_Edit::Undo() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Undo();
-}
-FX_BOOL IFWL_Edit::Redo() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->Redo();
-}
-FX_BOOL IFWL_Edit::CanUndo() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->CanUndo();
-}
-FX_BOOL IFWL_Edit::CanRedo() {
-  return static_cast<CFWL_EditImp*>(GetImpl())->CanRedo();
-}
-FWL_Error IFWL_Edit::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
-  return static_cast<CFWL_EditImp*>(GetImpl())
-      ->SetTabWidth(fTabWidth, bEquidistant);
-}
-FWL_Error IFWL_Edit::SetOuter(IFWL_Widget* pOuter) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetOuter(pOuter);
-}
-FWL_Error IFWL_Edit::SetNumberRange(int32_t iMin, int32_t iMax) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetNumberRange(iMin, iMax);
-}
-FWL_Error IFWL_Edit::SetBackColor(uint32_t dwColor) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetBackgroundColor(dwColor);
-}
-FWL_Error IFWL_Edit::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetFont(wsFont, fSize);
-}
-void IFWL_Edit::SetScrollOffset(FX_FLOAT fScrollOffset) {
-  return static_cast<CFWL_EditImp*>(GetImpl())->SetScrollOffset(fScrollOffset);
-}
-FX_BOOL IFWL_Edit::GetSuggestWords(CFX_PointF pointf,
-                                   std::vector<CFX_ByteString>& sSuggest) {
-  return static_cast<CFWL_EditImp*>(GetImpl())
-      ->GetSuggestWords(pointf, sSuggest);
-}
-FX_BOOL IFWL_Edit::ReplaceSpellCheckWord(CFX_PointF pointf,
-                                         const CFX_ByteStringC& bsReplace) {
-  return static_cast<CFWL_EditImp*>(GetImpl())
-      ->ReplaceSpellCheckWord(pointf, bsReplace);
-}
-
-CFWL_EditImp::CFWL_EditImp(const CFWL_WidgetImpProperties& properties,
-                           IFWL_Widget* pOuter)
-    : CFWL_WidgetImp(properties, pOuter),
-      m_fVAlignOffset(0.0f),
-      m_fScrollOffsetX(0.0f),
-      m_fScrollOffsetY(0.0f),
-      m_bLButtonDown(FALSE),
-      m_nSelStart(0),
-      m_nLimit(-1),
-      m_fSpaceAbove(0),
-      m_fSpaceBelow(0),
-      m_fFontSize(0),
-      m_bSetRange(FALSE),
-      m_iMin(-1),
-      m_iMax(0xFFFFFFF),
-      m_backColor(0),
-      m_updateBackColor(FALSE),
-      m_iCurRecord(-1),
-      m_iMaxRecord(128) {
-  m_rtClient.Reset();
-  m_rtEngine.Reset();
-  m_rtStatic.Reset();
-}
-
-CFWL_EditImp::~CFWL_EditImp() {
-  ClearRecord();
-}
-
-FWL_Error CFWL_EditImp::GetClassName(CFX_WideString& wsClass) const {
-  wsClass = FWL_CLASS_Edit;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Type CFWL_EditImp::GetClassID() const {
-  return FWL_Type::Edit;
-}
-
-FWL_Error CFWL_EditImp::Initialize() {
-  if (CFWL_WidgetImp::Initialize() != FWL_Error::Succeeded)
-    return FWL_Error::Indefinite;
-  if (!m_pDelegate)
-    m_pDelegate = new CFWL_EditImpDelegate(this);
-
-  InitCaret();
-  if (!m_pEdtEngine)
-    InitEngine();
-
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::Finalize() {
-  if (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
-    ShowCaret(FALSE);
-  }
-  if (m_pHorzScrollBar) {
-    m_pHorzScrollBar->Finalize();
-  }
-  if (m_pVertScrollBar) {
-    m_pVertScrollBar->Finalize();
-  }
-  delete m_pDelegate;
-  m_pDelegate = nullptr;
-  return CFWL_WidgetImp::Finalize();
-}
-FWL_Error CFWL_EditImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
-  if (bAutoSize) {
-    rect.Set(0, 0, 0, 0);
-    if (m_pEdtEngine) {
-      int32_t iTextLen = m_pEdtEngine->GetTextLength();
-      if (iTextLen > 0) {
-        CFX_WideString wsText;
-        m_pEdtEngine->GetText(wsText, 0);
-        CFX_SizeF sz = CalcTextSize(
-            wsText, m_pProperties->m_pThemeProvider,
-            m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine);
-        rect.Set(0, 0, sz.x, sz.y);
-      }
-    }
-    CFWL_WidgetImp::GetWidgetRect(rect, TRUE);
-  } else {
-    rect = m_pProperties->m_rtWidget;
-    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
-      if (IsShowScrollBar(TRUE)) {
-        FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
-            GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-        rect.width += *pfWidth;
-        rect.width += kEditMargin;
-      }
-      if (IsShowScrollBar(FALSE)) {
-        FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
-            GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-        rect.height += *pfWidth;
-        rect.height += kEditMargin;
-      }
-    }
-  }
-  return FWL_Error::Succeeded;
-}
-
-void CFWL_EditImp::SetStates(uint32_t dwStates, FX_BOOL bSet) {
-  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Invisible) ||
-      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
-    ShowCaret(FALSE);
-  }
-  CFWL_WidgetImp::SetStates(dwStates, bSet);
-}
-
-FWL_Error CFWL_EditImp::SetWidgetRect(const CFX_RectF& rect) {
-  return CFWL_WidgetImp::SetWidgetRect(rect);
-}
-FWL_Error CFWL_EditImp::Update() {
-  if (IsLocked()) {
-    return FWL_Error::Indefinite;
-  }
-  if (!m_pProperties->m_pThemeProvider) {
-    m_pProperties->m_pThemeProvider = GetAvailableTheme();
-  }
-  Layout();
-  if (m_rtClient.IsEmpty()) {
-    return FWL_Error::Indefinite;
-  }
-  UpdateEditEngine();
-  UpdateVAlignment();
-  UpdateScroll();
-  InitCaret();
-  return FWL_Error::Succeeded;
-}
-
-FWL_WidgetHit CFWL_EditImp::HitTest(FX_FLOAT fx, FX_FLOAT fy) {
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
-    if (IsShowScrollBar(TRUE)) {
-      CFX_RectF rect;
-      m_pVertScrollBar->GetWidgetRect(rect);
-      if (rect.Contains(fx, fy))
-        return FWL_WidgetHit::VScrollBar;
-    }
-    if (IsShowScrollBar(FALSE)) {
-      CFX_RectF rect;
-      m_pHorzScrollBar->GetWidgetRect(rect);
-      if (rect.Contains(fx, fy))
-        return FWL_WidgetHit::HScrollBar;
-    }
-  }
-  if (m_rtClient.Contains(fx, fy))
-    return FWL_WidgetHit::Edit;
-  return FWL_WidgetHit::Unknown;
-}
-
-void CFWL_EditImp::AddSpellCheckObj(CFX_Path& PathData,
-                                    int32_t nStart,
-                                    int32_t nCount,
-                                    FX_FLOAT fOffSetX,
-                                    FX_FLOAT fOffSetY) {
-  FX_FLOAT fStartX = 0.0f;
-  FX_FLOAT fEndX = 0.0f;
-  FX_FLOAT fY = 0.0f;
-  FX_FLOAT fStep = 0.0f;
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-  CFX_RectFArray rectArray;
-  CFX_RectF rectText;
-  const FDE_TXTEDTPARAMS* txtEdtParams = m_pEdtEngine->GetEditParams();
-  FX_FLOAT fAsent = (FX_FLOAT)txtEdtParams->pFont->GetAscent() *
-                    txtEdtParams->fFontSize / 1000;
-  pPage->CalcRangeRectArray(nStart, nCount, rectArray);
-  for (int i = 0; i < rectArray.GetSize(); i++) {
-    rectText = rectArray.GetAt(i);
-    fY = rectText.top + fAsent + fOffSetY;
-    fStep = txtEdtParams->fFontSize / 16.0f;
-    fStartX = rectText.left + fOffSetX;
-    fEndX = fStartX + rectText.Width();
-    AddSquigglyPath(&PathData, fStartX, fEndX, fY, fStep);
-  }
-}
-int32_t CFWL_EditImp::GetWordAtPoint(CFX_PointF pointf, int32_t& nCount) {
-  return 0;
-}
-FX_BOOL CFWL_EditImp::GetSuggestWords(CFX_PointF pointf,
-                                      std::vector<CFX_ByteString>& sSuggest) {
-  int32_t nWordCount = 0;
-  int32_t nWordStart = GetWordAtPoint(pointf, nWordCount);
-  if (nWordCount < 1) {
-    return FALSE;
-  }
-  CFX_WideString wsSpell;
-  GetText(wsSpell, nWordStart, nWordCount);
-  CFX_ByteString sLatinWord;
-  for (int i = 0; i < nWordCount; i++) {
-    if (!FX_EDIT_ISLATINWORD(wsSpell[i])) {
-      break;
-    }
-    sLatinWord += (FX_CHAR)wsSpell[i];
-  }
-  if (sLatinWord.IsEmpty()) {
-    return FALSE;
-  }
-  CFWL_EvtEdtCheckWord checkWordEvent;
-  checkWordEvent.m_pSrcTarget = m_pInterface;
-  checkWordEvent.bsWord = sLatinWord;
-  checkWordEvent.bCheckWord = TRUE;
-  DispatchEvent(&checkWordEvent);
-  if (checkWordEvent.bCheckWord) {
-    return FALSE;
-  }
-  CFWL_EvtEdtGetSuggestWords suggestWordsEvent;
-  suggestWordsEvent.m_pSrcTarget = m_pInterface;
-  suggestWordsEvent.bsWord = sLatinWord;
-  suggestWordsEvent.bsArraySuggestWords = sSuggest;
-  suggestWordsEvent.bSuggestWords = FALSE;
-  DispatchEvent(&checkWordEvent);
-  return suggestWordsEvent.bSuggestWords;
-}
-FX_BOOL CFWL_EditImp::ReplaceSpellCheckWord(CFX_PointF pointf,
-                                            const CFX_ByteStringC& bsReplace) {
-  int32_t nWordCount = 0;
-  int32_t nWordStart = GetWordAtPoint(pointf, nWordCount);
-  if (nWordCount < 1) {
-    return FALSE;
-  }
-  CFX_WideString wsSpell;
-  GetText(wsSpell, nWordStart, nWordCount);
-  for (int i = 0; i < nWordCount; i++) {
-    if (!FX_EDIT_ISLATINWORD(wsSpell[i])) {
-      nWordCount = i;
-      break;
-    }
-  }
-  int32_t nDestLen = bsReplace.GetLength();
-  CFX_WideString wsDest;
-  FX_WCHAR* pBuffer = wsDest.GetBuffer(nDestLen);
-  for (int32_t i = 0; i < nDestLen; i++) {
-    pBuffer[i] = bsReplace[i];
-  }
-  wsDest.ReleaseBuffer(nDestLen);
-  Replace(nWordStart, nWordCount, wsDest.AsStringC());
-  return TRUE;
-}
-void CFWL_EditImp::DrawSpellCheck(CFX_Graphics* pGraphics,
-                                  const CFX_Matrix* pMatrix) {
-  pGraphics->SaveGraphState();
-  if (pMatrix) {
-    pGraphics->ConcatMatrix(const_cast<CFX_Matrix*>(pMatrix));
-  }
-  FX_ARGB cr = 0xFFFF0000;
-  CFX_Color crLine(cr);
-  CFWL_EvtEdtCheckWord checkWordEvent;
-  checkWordEvent.m_pSrcTarget = m_pInterface;
-  CFX_ByteString sLatinWord;
-  CFX_Path pathSpell;
-  pathSpell.Create();
-  int32_t nStart = 0;
-  FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
-  FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
-  CFX_WideString wsSpell;
-  GetText(wsSpell);
-  int32_t nContentLen = wsSpell.GetLength();
-  for (int i = 0; i < nContentLen; i++) {
-    if (FX_EDIT_ISLATINWORD(wsSpell[i])) {
-      if (sLatinWord.IsEmpty()) {
-        nStart = i;
-      }
-      sLatinWord += (FX_CHAR)wsSpell[i];
-    } else {
-      checkWordEvent.bsWord = sLatinWord;
-      checkWordEvent.bCheckWord = TRUE;
-      DispatchEvent(&checkWordEvent);
-      if (!sLatinWord.IsEmpty() && !checkWordEvent.bCheckWord) {
-        AddSpellCheckObj(pathSpell, nStart, sLatinWord.GetLength(), fOffSetX,
-                         fOffSetY);
-      }
-      sLatinWord.clear();
-    }
-  }
-  checkWordEvent.bsWord = sLatinWord;
-  checkWordEvent.bCheckWord = TRUE;
-  DispatchEvent(&checkWordEvent);
-  if (!sLatinWord.IsEmpty() && !checkWordEvent.bCheckWord) {
-    AddSpellCheckObj(pathSpell, nStart, sLatinWord.GetLength(), fOffSetX,
-                     fOffSetY);
-  }
-  if (!pathSpell.IsEmpty()) {
-    CFX_RectF rtClip = m_rtEngine;
-    CFX_Matrix mt;
-    mt.Set(1, 0, 0, 1, fOffSetX, fOffSetY);
-    if (pMatrix) {
-      pMatrix->TransformRect(rtClip);
-      mt.Concat(*pMatrix);
-    }
-    pGraphics->SetClipRect(rtClip);
-    pGraphics->SetStrokeColor(&crLine);
-    pGraphics->SetLineWidth(0);
-    pGraphics->StrokePath(&pathSpell, nullptr);
-  }
-  pGraphics->RestoreGraphState();
-}
-FWL_Error CFWL_EditImp::DrawWidget(CFX_Graphics* pGraphics,
-                                   const CFX_Matrix* pMatrix) {
-  if (!pGraphics)
-    return FWL_Error::Indefinite;
-  if (!m_pProperties->m_pThemeProvider)
-    return FWL_Error::Indefinite;
-  if (m_rtClient.IsEmpty()) {
-    return FWL_Error::Indefinite;
-  }
-  IFWL_ThemeProvider* pTheme = m_pProperties->m_pThemeProvider;
-  if (!m_pWidgetMgr->IsFormDisabled()) {
-    DrawTextBk(pGraphics, pTheme, pMatrix);
-  }
-  if (m_pEdtEngine) {
-    DrawContent(pGraphics, pTheme, pMatrix);
-  }
-  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) &&
-      !(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly)) {
-    DrawSpellCheck(pGraphics, pMatrix);
-  }
-  if (HasBorder()) {
-    DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
-  }
-  if (HasEdge()) {
-    DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
-  }
-  return FWL_Error::Succeeded;
-}
-FWL_Error CFWL_EditImp::SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) {
-  if (!pThemeProvider)
-    return FWL_Error::Indefinite;
-  if (m_pHorzScrollBar) {
-    m_pHorzScrollBar->SetThemeProvider(pThemeProvider);
-  }
-  if (m_pVertScrollBar) {
-    m_pVertScrollBar->SetThemeProvider(pThemeProvider);
-  }
-  if (m_pCaret) {
-    m_pCaret->SetThemeProvider(pThemeProvider);
-  }
-  m_pProperties->m_pThemeProvider = pThemeProvider;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::SetText(const CFX_WideString& wsText) {
-  m_pEdtEngine->SetText(wsText);
-  return FWL_Error::Succeeded;
-}
-
-int32_t CFWL_EditImp::GetTextLength() const {
-  if (!m_pEdtEngine)
-    return -1;
-  return m_pEdtEngine->GetTextLength();
-}
-
-FWL_Error CFWL_EditImp::GetText(CFX_WideString& wsText,
-                                int32_t nStart,
-                                int32_t nCount) const {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->GetText(wsText, nStart, nCount);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::ClearText() {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->ClearText();
-  return FWL_Error::Succeeded;
-}
-
-int32_t CFWL_EditImp::GetCaretPos() const {
-  if (!m_pEdtEngine)
-    return -1;
-  return m_pEdtEngine->GetCaretPos();
-}
-
-int32_t CFWL_EditImp::SetCaretPos(int32_t nIndex, FX_BOOL bBefore) {
-  if (!m_pEdtEngine)
-    return -1;
-  return m_pEdtEngine->SetCaretPos(nIndex, bBefore);
-}
-
-FWL_Error CFWL_EditImp::AddSelRange(int32_t nStart, int32_t nCount) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->AddSelRange(nStart, nCount);
-  return FWL_Error::Succeeded;
-}
-
-int32_t CFWL_EditImp::CountSelRanges() {
-  if (!m_pEdtEngine)
-    return 0;
-  return m_pEdtEngine->CountSelRanges();
-}
-
-int32_t CFWL_EditImp::GetSelRange(int32_t nIndex, int32_t& nStart) {
-  if (!m_pEdtEngine)
-    return -1;
-  return m_pEdtEngine->GetSelRange(nIndex, nStart);
-}
-
-FWL_Error CFWL_EditImp::ClearSelections() {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->ClearSelection();
-  return FWL_Error::Succeeded;
-}
-
-int32_t CFWL_EditImp::GetLimit() {
-  return m_nLimit;
-}
-
-FWL_Error CFWL_EditImp::SetLimit(int32_t nLimit) {
-  m_nLimit = nLimit;
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->SetLimit(nLimit);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::SetAliasChar(FX_WCHAR wAlias) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->SetAliasChar(wAlias);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::Insert(int32_t nStart,
-                               const FX_WCHAR* lpText,
-                               int32_t nLen) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
-      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
-    return FWL_Error::Indefinite;
-  }
-  m_pEdtEngine->Insert(nStart, lpText, nLen);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::DeleteSelections() {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  int32_t iCount = m_pEdtEngine->CountSelRanges();
-  if (iCount > 0)
-    m_pEdtEngine->Delete(-1);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::DeleteRange(int32_t nStart, int32_t nCount) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->DeleteRange(nStart, nCount);
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::Replace(int32_t nStart,
-                                int32_t nLen,
-                                const CFX_WideStringC& wsReplace) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  m_pEdtEngine->Replace(nStart, nLen, CFX_WideString(wsReplace));
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::DoClipboard(int32_t iCmd) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
-      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
-    return FWL_Error::Succeeded;
-  }
-  return FWL_Error::Indefinite;
-}
-
-FX_BOOL CFWL_EditImp::Copy(CFX_WideString& wsCopy) {
-  if (!m_pEdtEngine)
-    return FALSE;
-
-  int32_t nCount = m_pEdtEngine->CountSelRanges();
-  if (nCount == 0)
-    return FALSE;
-
-  wsCopy.clear();
-  CFX_WideString wsTemp;
-  int32_t nStart, nLength;
-  for (int32_t i = 0; i < nCount; i++) {
-    nLength = m_pEdtEngine->GetSelRange(i, nStart);
-    m_pEdtEngine->GetText(wsTemp, nStart, nLength);
-    wsCopy += wsTemp;
-    wsTemp.clear();
-  }
-  return TRUE;
-}
-
-FX_BOOL CFWL_EditImp::Cut(CFX_WideString& wsCut) {
-  if (!m_pEdtEngine)
-    return FALSE;
-
-  int32_t nCount = m_pEdtEngine->CountSelRanges();
-  if (nCount == 0)
-    return FALSE;
-
-  wsCut.clear();
-  CFX_WideString wsTemp;
-  int32_t nStart, nLength;
-  for (int32_t i = 0; i < nCount; i++) {
-    nLength = m_pEdtEngine->GetSelRange(i, nStart);
-    m_pEdtEngine->GetText(wsTemp, nStart, nLength);
-    wsCut += wsTemp;
-    wsTemp.clear();
-  }
-  m_pEdtEngine->Delete(0);
-  return TRUE;
-}
-
-FX_BOOL CFWL_EditImp::Paste(const CFX_WideString& wsPaste) {
-  if (!m_pEdtEngine)
-    return FALSE;
-
-  int32_t nCaret = m_pEdtEngine->GetCaretPos();
-  int32_t iError =
-      m_pEdtEngine->Insert(nCaret, wsPaste.c_str(), wsPaste.GetLength());
-  if (iError < 0) {
-    ProcessInsertError(iError);
-    return FALSE;
-  }
-  return TRUE;
-}
-
-FX_BOOL CFWL_EditImp::Delete() {
-  if (!m_pEdtEngine)
-    return FALSE;
-
-  int32_t nCount = m_pEdtEngine->CountSelRanges();
-  if (nCount < 1)
-    return FALSE;
-
-  m_pEdtEngine->Delete(0);
-  return TRUE;
-}
-
-FX_BOOL CFWL_EditImp::Redo(const IFDE_TxtEdtDoRecord* pRecord) {
-  if (!m_pEdtEngine)
-    return FALSE;
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo)
-    return TRUE;
-  return m_pEdtEngine->Redo(pRecord);
-}
-
-FX_BOOL CFWL_EditImp::Undo(const IFDE_TxtEdtDoRecord* pRecord) {
-  if (!m_pEdtEngine)
-    return FALSE;
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoRedoUndo)
-    return TRUE;
-  return m_pEdtEngine->Undo(pRecord);
-}
-
-FX_BOOL CFWL_EditImp::Undo() {
-  if (!CanUndo())
-    return FALSE;
-  return Undo(m_DoRecords[m_iCurRecord--].get());
-}
-
-FX_BOOL CFWL_EditImp::Redo() {
-  if (!CanRedo())
-    return FALSE;
-  return Redo(m_DoRecords[++m_iCurRecord].get());
-}
-
-FX_BOOL CFWL_EditImp::CanUndo() {
-  return m_iCurRecord >= 0;
-}
-
-FX_BOOL CFWL_EditImp::CanRedo() {
-  return m_iCurRecord < pdfium::CollectionSize<int32_t>(m_DoRecords) - 1;
-}
-
-FWL_Error CFWL_EditImp::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
-  if (!m_pEdtEngine)
-    return FWL_Error::Indefinite;
-
-  FDE_TXTEDTPARAMS* pParams = m_pEdtEngine->GetEditParams();
-  pParams->fTabWidth = fTabWidth;
-  pParams->bTabEquidistant = bEquidistant;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::SetOuter(IFWL_Widget* pOuter) {
-  m_pOuter = pOuter;
-  return FWL_Error::Succeeded;
-}
-
-FWL_Error CFWL_EditImp::SetNumberRange(int32_t iMin, int32_t iMax) {
-  m_iMin = iMin;
-  m_iMax = iMax;
-  m_bSetRange = TRUE;
-  return FWL_Error::Succeeded;
-}
-
-void CFWL_EditImp::On_CaretChanged(CFDE_TxtEdtEngine* pEdit,
-                                   int32_t nPage,
-                                   FX_BOOL bVisible) {
-  if (m_rtEngine.IsEmpty())
-    return;
-  if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
-    return;
-
-  FX_BOOL bRepaintContent = UpdateOffset();
-  UpdateCaret();
-  CFX_RectF rtInvalid;
-  rtInvalid.Set(0, 0, 0, 0);
-  FX_BOOL bRepaintScroll = FALSE;
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
-    IFWL_ScrollBar* pScroll = UpdateScroll();
-    if (pScroll) {
-      pScroll->GetWidgetRect(rtInvalid);
-      bRepaintScroll = TRUE;
-    }
-  }
-  if (bRepaintContent || bRepaintScroll) {
-    if (bRepaintContent) {
-      rtInvalid.Union(m_rtEngine);
-    }
-    Repaint(&rtInvalid);
-  }
-}
-
-void CFWL_EditImp::On_TextChanged(CFDE_TxtEdtEngine* pEdit,
-                                  FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) {
-  uint32_t dwStyleEx = m_pProperties->m_dwStyleExes;
-  if (dwStyleEx & FWL_STYLEEXT_EDT_VAlignMask)
-    UpdateVAlignment();
-
-  IFDE_TxtEdtPage* page = m_pEdtEngine->GetPage(0);
-  FX_FLOAT fContentWidth = page->GetContentsBox().width;
-  FX_FLOAT fContentHeight = page->GetContentsBox().height;
-  CFX_RectF rtTemp;
-  GetClientRect(rtTemp);
-  FX_BOOL bHSelfAdaption =
-      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption;
-  FX_BOOL bVSelfAdaption =
-      m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption;
-  FX_BOOL bNeedUpdate = FALSE;
-  if (bHSelfAdaption || bVSelfAdaption) {
-    CFWL_EvtEdtPreSelfAdaption evt;
-    evt.m_pSrcTarget = m_pInterface;
-    evt.bHSelfAdaption = TRUE;
-    evt.bVSelfAdaption = TRUE;
-    FX_FLOAT fWidth;
-    FX_FLOAT fHight;
-    fWidth = bHSelfAdaption ? fContentWidth : m_pProperties->m_rtWidget.width;
-    fHight = bVSelfAdaption ? fContentHeight : m_pProperties->m_rtWidget.height;
-    evt.rtAfterChange.Set(0, 0, fWidth, fHight);
-    DispatchEvent(&evt);
-    if (!evt.bHSelfAdaption) {
-      ModifyStylesEx(
-          0, FWL_STYLEEXT_EDT_HSelfAdaption | FWL_STYLEEXT_EDT_AutoHScroll);
-    }
-    if (!evt.bVSelfAdaption) {
-      ModifyStylesEx(
-          0, FWL_STYLEEXT_EDT_VSelfAdaption | FWL_STYLEEXT_EDT_AutoVScroll);
-    }
-    bNeedUpdate = (bHSelfAdaption && !evt.bHSelfAdaption) ||
-                  (bVSelfAdaption && !evt.bVSelfAdaption);
-  }
-  FX_FLOAT fContentWidth1 = fContentWidth;
-  FX_FLOAT fContentHeight1 = fContentHeight;
-  if (bNeedUpdate) {
-    UpdateEditParams();
-    UpdateEditLayout();
-    IFDE_TxtEdtPage* page1 = m_pEdtEngine->GetPage(0);
-    fContentWidth1 = page1->GetContentsBox().width;
-    fContentHeight1 = page1->GetContentsBox().height;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption) {
-    rtTemp.width = std::max(m_pProperties->m_rtWidget.width, fContentWidth1);
-    m_pProperties->m_rtWidget.width = fContentWidth1;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption) {
-    rtTemp.height = std::max(m_pProperties->m_rtWidget.height, fContentHeight1);
-    m_pProperties->m_rtWidget.height = fContentHeight1;
-  }
-  CFWL_EvtEdtTextChanged event;
-  event.m_pSrcTarget = m_pInterface;
-  event.nChangeType = ChangeInfo.nChangeType;
-  event.wsInsert = ChangeInfo.wsInsert;
-  event.wsDelete = ChangeInfo.wsDelete;
-  event.wsPrevText = ChangeInfo.wsPrevText;
-  DispatchEvent(&event);
-  LayoutScrollBar();
-  Repaint(&rtTemp);
-}
-
-void CFWL_EditImp::On_SelChanged(CFDE_TxtEdtEngine* pEdit) {
-  CFX_RectF rtTemp;
-  GetClientRect(rtTemp);
-  Repaint(&rtTemp);
-}
-
-FX_BOOL CFWL_EditImp::On_PageLoad(CFDE_TxtEdtEngine* pEdit,
-                                  int32_t nPageIndex,
-                                  int32_t nPurpose) {
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(nPageIndex);
-  if (!pPage)
-    return FALSE;
-  pPage->LoadPage(nullptr, nullptr);
-  return TRUE;
-}
-
-FX_BOOL CFWL_EditImp::On_PageUnload(CFDE_TxtEdtEngine* pEdit,
-                                    int32_t nPageIndex,
-                                    int32_t nPurpose) {
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(nPageIndex);
-  if (!pPage)
-    return FALSE;
-  pPage->UnloadPage(nullptr);
-  return TRUE;
-}
-
-void CFWL_EditImp::On_AddDoRecord(CFDE_TxtEdtEngine* pEdit,
-                                  IFDE_TxtEdtDoRecord* pRecord) {
-  AddDoRecord(pRecord);
-}
-
-FX_BOOL CFWL_EditImp::On_Validate(CFDE_TxtEdtEngine* pEdit,
-                                  CFX_WideString& wsText) {
-  IFWL_Widget* pDst = GetOuter();
-  if (!pDst) {
-    pDst = m_pInterface;
-  }
-  CFWL_EvtEdtValidate event;
-  event.pDstWidget = pDst;
-  event.m_pSrcTarget = m_pInterface;
-  event.wsInsert = wsText;
-  event.bValidate = TRUE;
-  DispatchEvent(&event);
-  return event.bValidate;
-}
-FWL_Error CFWL_EditImp::SetBackgroundColor(uint32_t color) {
-  m_backColor = color;
-  m_updateBackColor = TRUE;
-  return FWL_Error::Succeeded;
-}
-FWL_Error CFWL_EditImp::SetFont(const CFX_WideString& wsFont, FX_FLOAT fSize) {
-  m_wsFont = wsFont;
-  m_fFontSize = fSize;
-  return FWL_Error::Succeeded;
-}
-void CFWL_EditImp::SetScrollOffset(FX_FLOAT fScrollOffset) {
-  m_fScrollOffsetY = fScrollOffset;
-}
-void CFWL_EditImp::DrawTextBk(CFX_Graphics* pGraphics,
-                              IFWL_ThemeProvider* pTheme,
-                              const CFX_Matrix* pMatrix) {
-  CFWL_ThemeBackground param;
-  param.m_pWidget = m_pInterface;
-  param.m_iPart = CFWL_Part::Background;
-  param.m_bStaticBackground = false;
-  param.m_dwStates = m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly
-                         ? CFWL_PartState_ReadOnly
-                         : CFWL_PartState_Normal;
-  uint32_t dwStates = (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled);
-  if (dwStates) {
-    param.m_dwStates = CFWL_PartState_Disabled;
-  }
-  param.m_pGraphics = pGraphics;
-  param.m_matrix = *pMatrix;
-  param.m_rtPart = m_rtClient;
-  pTheme->DrawBackground(&param);
-  if (!IsShowScrollBar(TRUE) || !IsShowScrollBar(FALSE)) {
-    return;
-  }
-  CFX_RectF rtScorll;
-  m_pHorzScrollBar->GetWidgetRect(rtScorll);
-  CFX_RectF rtStatic;
-  rtStatic.Set(m_rtClient.right() - rtScorll.height,
-               m_rtClient.bottom() - rtScorll.height, rtScorll.height,
-               rtScorll.height);
-  param.m_bStaticBackground = true;
-  param.m_bMaximize = true;
-  param.m_rtPart = rtStatic;
-  pTheme->DrawBackground(&param);
-}
-void CFWL_EditImp::DrawContent(CFX_Graphics* pGraphics,
-                               IFWL_ThemeProvider* pTheme,
-                               const CFX_Matrix* pMatrix) {
-  if (!m_pEdtEngine)
-    return;
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return;
-  pGraphics->SaveGraphState();
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
-    pGraphics->SaveGraphState();
-  }
-  CFX_RectF rtClip = m_rtEngine;
-  FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
-  FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
-  CFX_Matrix mt;
-  mt.Set(1, 0, 0, 1, fOffSetX, fOffSetY);
-  if (pMatrix) {
-    pMatrix->TransformRect(rtClip);
-    mt.Concat(*pMatrix);
-  }
-  FX_BOOL bShowSel =
-      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_NoHideSel) ||
-      (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused);
-  if (bShowSel) {
-    IFWL_Widget* pForm = m_pWidgetMgr->GetSystemFormWidget(m_pInterface);
-    if (pForm) {
-      bShowSel = (pForm->GetStates() & FWL_WGTSTATE_Deactivated) !=
-                 FWL_WGTSTATE_Deactivated;
-    }
-  }
-  int32_t nSelCount = m_pEdtEngine->CountSelRanges();
-  if (bShowSel && nSelCount > 0) {
-    int32_t nPageCharStart = pPage->GetCharStart();
-    int32_t nPageCharCount = pPage->GetCharCount();
-    int32_t nPageCharEnd = nPageCharStart + nPageCharCount - 1;
-    int32_t nCharCount;
-    int32_t nCharStart;
-    CFX_RectFArray rectArr;
-    int32_t i = 0;
-    for (i = 0; i < nSelCount; i++) {
-      nCharCount = m_pEdtEngine->GetSelRange(i, nCharStart);
-      int32_t nCharEnd = nCharStart + nCharCount - 1;
-      if (nCharEnd < nPageCharStart || nCharStart > nPageCharEnd) {
-        continue;
-      }
-      int32_t nBgn = std::max(nCharStart, nPageCharStart);
-      int32_t nEnd = std::min(nCharEnd, nPageCharEnd);
-      pPage->CalcRangeRectArray(nBgn - nPageCharStart, nEnd - nBgn + 1,
-                                rectArr);
-    }
-    int32_t nCount = rectArr.GetSize();
-    CFX_Path path;
-    path.Create();
-    for (i = 0; i < nCount; i++) {
-      rectArr[i].left += fOffSetX;
-      rectArr[i].top += fOffSetY;
-      path.AddRectangle(rectArr[i].left, rectArr[i].top, rectArr[i].width,
-                        rectArr[i].height);
-    }
-    pGraphics->SetClipRect(rtClip);
-    CFWL_ThemeBackground param;
-    param.m_pGraphics = pGraphics;
-    param.m_matrix = *pMatrix;
-    param.m_pWidget = m_pInterface;
-    param.m_iPart = CFWL_Part::Background;
-    param.m_pPath = &path;
-    pTheme->DrawBackground(&param);
-  }
-  CFX_RenderDevice* pRenderDev = pGraphics->GetRenderDevice();
-  if (!pRenderDev)
-    return;
-
-  std::unique_ptr<CFDE_RenderDevice> pRenderDevice(
-      new CFDE_RenderDevice(pRenderDev, FALSE));
-  std::unique_ptr<CFDE_RenderContext> pRenderContext(new CFDE_RenderContext);
-  pRenderDevice->SetClipRect(rtClip);
-  pRenderContext->StartRender(pRenderDevice.get(), pPage, mt);
-  pRenderContext->DoRender(nullptr);
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
-    pGraphics->RestoreGraphState();
-    CFX_Path path;
-    path.Create();
-    int32_t iLimit = m_nLimit > 0 ? m_nLimit : 1;
-    FX_FLOAT fStep = m_rtEngine.width / iLimit;
-    FX_FLOAT fLeft = m_rtEngine.left + 1;
-    for (int32_t i = 1; i < iLimit; i++) {
-      fLeft += fStep;
-      path.AddLine(fLeft, m_rtClient.top, fLeft, m_rtClient.bottom());
-    }
-    CFWL_ThemeBackground param;
-    param.m_pGraphics = pGraphics;
-    param.m_matrix = *pMatrix;
-    param.m_pWidget = m_pInterface;
-    param.m_iPart = CFWL_Part::CombTextLine;
-    param.m_pPath = &path;
-    pTheme->DrawBackground(&param);
-  }
-  pGraphics->RestoreGraphState();
-}
-
-void CFWL_EditImp::UpdateEditEngine() {
-  UpdateEditParams();
-  UpdateEditLayout();
-  if (m_nLimit > -1) {
-    m_pEdtEngine->SetLimit(m_nLimit);
-  }
-}
-void CFWL_EditImp::UpdateEditParams() {
-  FDE_TXTEDTPARAMS params;
-  params.nHorzScale = 100;
-  params.fPlateWidth = m_rtEngine.width;
-  params.fPlateHeight = m_rtEngine.height;
-  if (m_pProperties->m_dwStyles & FWL_WGTSTYLE_RTLLayout) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_RTL;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VerticalLayout) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_DocVertical;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VerticalChars) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_CharVertial;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReverseLine) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_LineReserve;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ArabicShapes) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_ArabicShapes;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ExpandTab) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_ExpandTab;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_CombText) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_CombText;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_LastLineHeight) {
-    params.dwLayoutStyles |= FDE_TEXTEDITLAYOUT_LastLineHeight;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Validate) {
-    params.dwMode |= FDE_TEXTEDITMODE_Validate;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Password) {
-    params.dwMode |= FDE_TEXTEDITMODE_Password;
-  }
-  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignMask) {
-    case FWL_STYLEEXT_EDT_HNear: {
-      params.dwAlignment |= FDE_TEXTEDITALIGN_Left;
-      break;
-    }
-    case FWL_STYLEEXT_EDT_HCenter: {
-      params.dwAlignment |= FDE_TEXTEDITALIGN_Center;
-      break;
-    }
-    case FWL_STYLEEXT_EDT_HFar: {
-      params.dwAlignment |= FDE_TEXTEDITALIGN_Right;
-      break;
-    }
-    default: {}
-  }
-  switch (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HAlignModeMask) {
-    case FWL_STYLEEXT_EDT_Justified: {
-      params.dwAlignment |= FDE_TEXTEDITALIGN_Justified;
-      break;
-    }
-    case FWL_STYLEEXT_EDT_Distributed: {
-      params.dwAlignment |= FDE_TEXTEDITALIGN_Distributed;
-      break;
-    }
-    default: { params.dwAlignment |= FDE_TEXTEDITALIGN_Normal; }
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) {
-    params.dwMode |= FDE_TEXTEDITMODE_MultiLines;
-    if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) == 0 &&
-        (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll) == 0) {
-      params.dwMode |=
-          FDE_TEXTEDITMODE_AutoLineWrap | FDE_TEXTEDITMODE_LimitArea_Horz;
-    }
-    if ((m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) == 0 &&
-        (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoVScroll) == 0) {
-      params.dwMode |= FDE_TEXTEDITMODE_LimitArea_Vert;
-    } else {
-      params.fPlateHeight = 0x00FFFFFF;
-    }
-  } else {
-    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_AutoHScroll) == 0) {
-      params.dwMode |= FDE_TEXTEDITMODE_LimitArea_Horz;
-    }
-  }
-  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
-      (m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
-    params.dwMode |= FDE_TEXTEDITMODE_ReadOnly;
-  }
-  FX_FLOAT* pFontSize =
-      static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::FontSize));
-  if (!pFontSize)
-    return;
-  m_fFontSize = *pFontSize;
-  uint32_t* pFontColor =
-      static_cast<uint32_t*>(GetThemeCapacity(CFWL_WidgetCapacity::TextColor));
-  if (!pFontColor)
-    return;
-  params.dwFontColor = *pFontColor;
-  FX_FLOAT* pLineHeight =
-      static_cast<FX_FLOAT*>(GetThemeCapacity(CFWL_WidgetCapacity::LineHeight));
-  if (!pLineHeight)
-    return;
-  params.fLineSpace = *pLineHeight;
-  CFGAS_GEFont* pFont =
-      static_cast<CFGAS_GEFont*>(GetThemeCapacity(CFWL_WidgetCapacity::Font));
-  if (!pFont)
-    return;
-  params.pFont = pFont;
-  params.fFontSize = m_fFontSize;
-  params.nLineCount = (int32_t)(params.fPlateHeight / params.fLineSpace);
-  if (params.nLineCount <= 0) {
-    params.nLineCount = 1;
-  }
-  params.fTabWidth = params.fFontSize * 1;
-  params.bTabEquidistant = TRUE;
-  params.wLineBreakChar = L'\n';
-  params.nCharRotation = 0;
-  params.pEventSink = this;
-  m_pEdtEngine->SetEditParams(params);
-}
-
-void CFWL_EditImp::UpdateEditLayout() {
-  if (m_pEdtEngine->GetTextLength() <= 0)
-    m_pEdtEngine->SetTextByStream(nullptr);
-
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-  if (pPage)
-    pPage->UnloadPage(nullptr);
-
-  m_pEdtEngine->StartLayout();
-  m_pEdtEngine->DoLayout(nullptr);
-  m_pEdtEngine->EndLayout();
-  pPage = m_pEdtEngine->GetPage(0);
-  if (pPage)
-    pPage->LoadPage(nullptr, nullptr);
-}
-
-FX_BOOL CFWL_EditImp::UpdateOffset() {
-  CFX_RectF rtCaret;
-  m_pEdtEngine->GetCaretRect(rtCaret);
-  FX_FLOAT fOffSetX = m_rtEngine.left - m_fScrollOffsetX;
-  FX_FLOAT fOffSetY = m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset;
-  rtCaret.Offset(fOffSetX, fOffSetY);
-  const CFX_RectF& rtEidt = m_rtEngine;
-  if (rtEidt.Contains(rtCaret)) {
-    IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-    if (!pPage)
-      return FALSE;
-
-    CFX_RectF rtFDE = pPage->GetContentsBox();
-    rtFDE.Offset(fOffSetX, fOffSetY);
-    if (rtFDE.right() < rtEidt.right() && m_fScrollOffsetX > 0) {
-      m_fScrollOffsetX += rtFDE.right() - rtEidt.right();
-      m_fScrollOffsetX = std::max(m_fScrollOffsetX, 0.0f);
-    }
-    if (rtFDE.bottom() < rtEidt.bottom() && m_fScrollOffsetY > 0) {
-      m_fScrollOffsetY += rtFDE.bottom() - rtEidt.bottom();
-      m_fScrollOffsetY = std::max(m_fScrollOffsetY, 0.0f);
-    }
-    return FALSE;
-  }
-
-  FX_FLOAT offsetX = 0.0;
-  FX_FLOAT offsetY = 0.0;
-  if (rtCaret.left < rtEidt.left)
-    offsetX = rtCaret.left - rtEidt.left;
-  if (rtCaret.right() > rtEidt.right())
-    offsetX = rtCaret.right() - rtEidt.right();
-  if (rtCaret.top < rtEidt.top)
-    offsetY = rtCaret.top - rtEidt.top;
-  if (rtCaret.bottom() > rtEidt.bottom())
-    offsetY = rtCaret.bottom() - rtEidt.bottom();
-  if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption))
-    m_fScrollOffsetX += offsetX;
-  if (!(m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption))
-    m_fScrollOffsetY += offsetY;
-  if (m_fFontSize > m_rtEngine.height)
-    m_fScrollOffsetY = 0;
-  return TRUE;
-}
-
-FX_BOOL CFWL_EditImp::UpdateOffset(IFWL_ScrollBar* pScrollBar,
-                                   FX_FLOAT fPosChanged) {
-  if (pScrollBar == m_pHorzScrollBar.get())
-    m_fScrollOffsetX += fPosChanged;
-  else
-    m_fScrollOffsetY += fPosChanged;
-  return TRUE;
-}
-
-void CFWL_EditImp::UpdateVAlignment() {
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return;
-  const CFX_RectF& rtFDE = pPage->GetContentsBox();
-  FX_FLOAT fOffsetY = 0.0f;
-  FX_FLOAT fSpaceAbove = 0.0f;
-  FX_FLOAT fSpaceBelow = 0.0f;
-  CFX_SizeF* pSpace = static_cast<CFX_SizeF*>(
-      GetThemeCapacity(CFWL_WidgetCapacity::SpaceAboveBelow));
-  if (pSpace) {
-    fSpaceAbove = pSpace->x;
-    fSpaceBelow = pSpace->y;
-  }
-  if (fSpaceAbove < 0.1f) {
-    fSpaceAbove = 0;
-  }
-  if (fSpaceBelow < 0.1f) {
-    fSpaceBelow = 0;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VCenter) {
-    fOffsetY = (m_rtEngine.height - rtFDE.height) / 2;
-    if (fOffsetY < (fSpaceAbove + fSpaceBelow) / 2 &&
-        fSpaceAbove < fSpaceBelow) {
-      return;
-    }
-    fOffsetY += (fSpaceAbove - fSpaceBelow) / 2;
-  } else if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VFar) {
-    fOffsetY = (m_rtEngine.height - rtFDE.height);
-    fOffsetY -= fSpaceBelow;
-  } else {
-    fOffsetY += fSpaceAbove;
-  }
-  m_fVAlignOffset = fOffsetY;
-  if (m_fVAlignOffset < 0) {
-    m_fVAlignOffset = 0;
-  }
-}
-void CFWL_EditImp::UpdateCaret() {
-  CFX_RectF rtFDE;
-  m_pEdtEngine->GetCaretRect(rtFDE);
-  rtFDE.Offset(m_rtEngine.left - m_fScrollOffsetX,
-               m_rtEngine.top - m_fScrollOffsetY + m_fVAlignOffset);
-  CFX_RectF rtCaret;
-  rtCaret.Set(rtFDE.left, rtFDE.top, rtFDE.width, rtFDE.height);
-  CFX_RectF temp = rtCaret;
-  CFX_RectF rtClient;
-  GetClientRect(rtClient);
-  rtCaret.Intersect(rtClient);
-  if (rtCaret.left > rtClient.right()) {
-    FX_FLOAT right = rtCaret.right();
-    rtCaret.left = rtClient.right() - 1;
-    rtCaret.width = right - rtCaret.left;
-  }
-  FX_BOOL bIntersect = !rtCaret.IsEmpty();
-  FX_BOOL bShow = TRUE;
-  FX_BOOL bShowWhole = FALSE;
-  if (!(m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) || !bIntersect) {
-    bShow = FALSE;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_HSelfAdaption &&
-      temp.right() > m_rtEngine.right()) {
-    bShowWhole = TRUE;
-  }
-  if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_VSelfAdaption &&
-      temp.bottom() > m_rtEngine.bottom()) {
-    bShowWhole = TRUE;
-  } else {
-    bShow = (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused && bIntersect);
-  }
-  if (bShowWhole) {
-    rtCaret = temp;
-  }
-  ShowCaret(bShow, &rtCaret);
-}
-IFWL_ScrollBar* CFWL_EditImp::UpdateScroll() {
-  FX_BOOL bShowHorz =
-      m_pHorzScrollBar &&
-      ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
-  FX_BOOL bShowVert =
-      m_pVertScrollBar &&
-      ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Invisible) == 0);
-  if (!bShowHorz && !bShowVert) {
-    return nullptr;
-  }
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return nullptr;
-  const CFX_RectF& rtFDE = pPage->GetContentsBox();
-  IFWL_ScrollBar* pRepaint = nullptr;
-  if (bShowHorz) {
-    CFX_RectF rtScroll;
-    m_pHorzScrollBar->GetWidgetRect(rtScroll);
-    if (rtScroll.width < rtFDE.width) {
-      m_pHorzScrollBar->LockUpdate();
-      FX_FLOAT fRange = rtFDE.width - rtScroll.width;
-      m_pHorzScrollBar->SetRange(0.0f, fRange);
-      FX_FLOAT fPos = m_fScrollOffsetX;
-      if (fPos < 0.0f) {
-        fPos = 0.0f;
-      }
-      if (fPos > fRange) {
-        fPos = fRange;
-      }
-      m_pHorzScrollBar->SetPos(fPos);
-      m_pHorzScrollBar->SetTrackPos(fPos);
-      m_pHorzScrollBar->SetPageSize(rtScroll.width);
-      m_pHorzScrollBar->SetStepSize(rtScroll.width / 10);
-      m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled, FALSE);
-      m_pHorzScrollBar->UnlockUpdate();
-      m_pHorzScrollBar->Update();
-      pRepaint = m_pHorzScrollBar.get();
-    } else if ((m_pHorzScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
-      m_pHorzScrollBar->LockUpdate();
-      m_pHorzScrollBar->SetRange(0, -1);
-      m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Disabled, TRUE);
-      m_pHorzScrollBar->UnlockUpdate();
-      m_pHorzScrollBar->Update();
-      pRepaint = m_pHorzScrollBar.get();
-    }
-  }
-  if (bShowVert) {
-    CFX_RectF rtScroll;
-    m_pVertScrollBar->GetWidgetRect(rtScroll);
-    if (rtScroll.height < rtFDE.height) {
-      m_pVertScrollBar->LockUpdate();
-      FX_FLOAT fStep = m_pEdtEngine->GetEditParams()->fLineSpace;
-      FX_FLOAT fRange = rtFDE.height - m_rtEngine.height;
-      if (fRange < fStep) {
-        fRange = fStep;
-      }
-      m_pVertScrollBar->SetRange(0.0f, fRange);
-      FX_FLOAT fPos = m_fScrollOffsetY;
-      if (fPos < 0.0f) {
-        fPos = 0.0f;
-      }
-      if (fPos > fRange) {
-        fPos = fRange;
-      }
-      m_pVertScrollBar->SetPos(fPos);
-      m_pVertScrollBar->SetTrackPos(fPos);
-      m_pVertScrollBar->SetPageSize(rtScroll.height);
-      m_pVertScrollBar->SetStepSize(fStep);
-      m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled, FALSE);
-      m_pVertScrollBar->UnlockUpdate();
-      m_pVertScrollBar->Update();
-      pRepaint = m_pVertScrollBar.get();
-    } else if ((m_pVertScrollBar->GetStates() & FWL_WGTSTATE_Disabled) == 0) {
-      m_pVertScrollBar->LockUpdate();
-      m_pVertScrollBar->SetRange(0, -1);
-      m_pVertScrollBar->SetStates(FWL_WGTSTATE_Disabled, TRUE);
-      m_pVertScrollBar->UnlockUpdate();
-      m_pVertScrollBar->Update();
-      pRepaint = m_pVertScrollBar.get();
-    }
-  }
-  return pRepaint;
-}
-FX_BOOL CFWL_EditImp::IsShowScrollBar(FX_BOOL bVert) {
-  FX_BOOL bShow =
-      (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus)
-          ? (m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) ==
-                FWL_WGTSTATE_Focused
-          : TRUE;
-  if (bVert) {
-    return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_VScroll) &&
-           (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine) &&
-           IsContentHeightOverflow();
-  }
-  return bShow && (m_pProperties->m_dwStyles & FWL_WGTSTYLE_HScroll) &&
-         (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_MultiLine);
-}
-FX_BOOL CFWL_EditImp::IsContentHeightOverflow() {
-  if (!m_pEdtEngine)
-    return FALSE;
-  IFDE_TxtEdtPage* pPage = m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return FALSE;
-  return pPage->GetContentsBox().height > m_rtEngine.height + 1.0f;
-}
-int32_t CFWL_EditImp::AddDoRecord(IFDE_TxtEdtDoRecord* pRecord) {
-  int32_t nCount = pdfium::CollectionSize<int32_t>(m_DoRecords);
-  if (m_iCurRecord == nCount - 1) {
-    if (nCount == m_iMaxRecord) {
-      m_DoRecords.pop_front();
-      m_iCurRecord--;
-    }
-  } else {
-    m_DoRecords.erase(m_DoRecords.begin() + m_iCurRecord + 1,
-                      m_DoRecords.end());
-  }
-
-  m_DoRecords.push_back(std::unique_ptr<IFDE_TxtEdtDoRecord>(pRecord));
-  m_iCurRecord = pdfium::CollectionSize<int32_t>(m_DoRecords) - 1;
-  return m_iCurRecord;
-}
-void CFWL_EditImp::Layout() {
-  GetClientRect(m_rtClient);
-  m_rtEngine = m_rtClient;
-  FX_FLOAT* pfWidth = static_cast<FX_FLOAT*>(
-      GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-  if (!pfWidth)
-    return;
-  FX_FLOAT fWidth = *pfWidth;
-  if (!m_pOuter) {
-    CFX_RectF* pUIMargin = static_cast<CFX_RectF*>(
-        GetThemeCapacity(CFWL_WidgetCapacity::UIMargin));
-    if (pUIMargin) {
-      m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
-                         pUIMargin->height);
-    }
-  } else if (m_pOuter->GetClassID() == FWL_Type::DateTimePicker) {
-    CFWL_ThemePart part;
-    part.m_pWidget = m_pOuter;
-    CFX_RectF* pUIMargin =
-        static_cast<CFX_RectF*>(m_pOuter->GetThemeProvider()->GetCapacity(
-            &part, CFWL_WidgetCapacity::UIMargin));
-    if (pUIMargin) {
-      m_rtEngine.Deflate(pUIMargin->left, pUIMargin->top, pUIMargin->width,
-                         pUIMargin->height);
-    }
-  }
-  FX_BOOL bShowVertScrollbar = IsShowScrollBar(TRUE);
-  FX_BOOL bShowHorzScrollbar = IsShowScrollBar(FALSE);
-  if (bShowVertScrollbar) {
-    InitScrollBar();
-    CFX_RectF rtVertScr;
-    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
-      rtVertScr.Set(m_rtClient.right() + kEditMargin, m_rtClient.top, fWidth,
-                    m_rtClient.height);
-    } else {
-      rtVertScr.Set(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
-                    m_rtClient.height);
-      if (bShowHorzScrollbar) {
-        rtVertScr.height -= fWidth;
-      }
-      m_rtEngine.width -= fWidth;
-    }
-    m_pVertScrollBar->SetWidgetRect(rtVertScr);
-    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
-    m_pVertScrollBar->Update();
-  } else if (m_pVertScrollBar) {
-    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
-  }
-  if (bShowHorzScrollbar) {
-    InitScrollBar(FALSE);
-    CFX_RectF rtHoriScr;
-    if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
-      rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() + kEditMargin,
-                    m_rtClient.width, fWidth);
-    } else {
-      rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() - fWidth,
-                    m_rtClient.width, fWidth);
-      if (bShowVertScrollbar) {
-        rtHoriScr.width -= fWidth;
-      }
-      m_rtEngine.height -= fWidth;
-    }
-    m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
-    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
-    m_pHorzScrollBar->Update();
-  } else if (m_pHorzScrollBar) {
-    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
-  }
-}
-void CFWL_EditImp::LayoutScrollBar() {
-  if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ShowScrollbarFocus) ==
-      0) {
-    return;
-  }
-  FX_FLOAT* pfWidth = nullptr;
-  FX_BOOL bShowVertScrollbar = IsShowScrollBar(TRUE);
-  FX_BOOL bShowHorzScrollbar = IsShowScrollBar(FALSE);
-  if (bShowVertScrollbar) {
-    if (!m_pVertScrollBar) {
-      pfWidth = static_cast<FX_FLOAT*>(
-          GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-      FX_FLOAT fWidth = pfWidth ? *pfWidth : 0;
-      InitScrollBar();
-      CFX_RectF rtVertScr;
-      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
-        rtVertScr.Set(m_rtClient.right() + kEditMargin, m_rtClient.top, fWidth,
-                      m_rtClient.height);
-      } else {
-        rtVertScr.Set(m_rtClient.right() - fWidth, m_rtClient.top, fWidth,
-                      m_rtClient.height);
-        if (bShowHorzScrollbar) {
-          rtVertScr.height -= fWidth;
-        }
-      }
-      m_pVertScrollBar->SetWidgetRect(rtVertScr);
-      m_pVertScrollBar->Update();
-    }
-    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
-  } else if (m_pVertScrollBar) {
-    m_pVertScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
-  }
-  if (bShowHorzScrollbar) {
-    if (!m_pHorzScrollBar) {
-      if (!pfWidth) {
-        pfWidth = static_cast<FX_FLOAT*>(
-            GetThemeCapacity(CFWL_WidgetCapacity::ScrollBarWidth));
-      }
-      FX_FLOAT fWidth = pfWidth ? *pfWidth : 0;
-      InitScrollBar(FALSE);
-      CFX_RectF rtHoriScr;
-      if (m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_OuterScrollbar) {
-        rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() + kEditMargin,
-                      m_rtClient.width, fWidth);
-      } else {
-        rtHoriScr.Set(m_rtClient.left, m_rtClient.bottom() - fWidth,
-                      m_rtClient.width, fWidth);
-        if (bShowVertScrollbar) {
-          rtHoriScr.width -= (fWidth);
-        }
-      }
-      m_pHorzScrollBar->SetWidgetRect(rtHoriScr);
-      m_pHorzScrollBar->Update();
-    }
-    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, FALSE);
-  } else if (m_pHorzScrollBar) {
-    m_pHorzScrollBar->SetStates(FWL_WGTSTATE_Invisible, TRUE);
-  }
-  if (bShowVertScrollbar || bShowHorzScrollbar) {
-    UpdateScroll();
-  }
-}
-
-void CFWL_EditImp::DeviceToEngine(CFX_PointF& pt) {
-  pt.x += m_fScrollOffsetX - m_rtEngine.left;
-  pt.y += m_fScrollOffsetY - m_rtEngine.top - m_fVAlignOffset;
-}
-
-void CFWL_EditImp::InitScrollBar(FX_BOOL bVert) {
-  if ((bVert && m_pVertScrollBar) || (!bVert && m_pHorzScrollBar)) {
-    return;
-  }
-  CFWL_WidgetImpProperties prop;
-  prop.m_dwStyleExes = bVert ? FWL_STYLEEXT_SCB_Vert : FWL_STYLEEXT_SCB_Horz;
-  prop.m_dwStates = FWL_WGTSTATE_Disabled | FWL_WGTSTATE_Invisible;
-  prop.m_pParent = m_pInterface;
-  prop.m_pThemeProvider = m_pProperties->m_pThemeProvider;
-  IFWL_ScrollBar* pScrollBar = IFWL_ScrollBar::Create(prop, m_pInterface);
-  pScrollBar->Initialize();
-  (bVert ? &m_pVertScrollBar : &m_pHorzScrollBar)->reset(pScrollBar);
-}
-
-void CFWL_EditImp::InitEngine() {
-  if (!m_pEdtEngine)
-    m_pEdtEngine.reset(new CFDE_TxtEdtEngine);
-}
-
-FX_BOOL FWL_ShowCaret(IFWL_Widget* pWidget,
-                      FX_BOOL bVisible,
-                      const CFX_RectF* pRtAnchor) {
-  CXFA_FFWidget* pXFAWidget =
-      static_cast<CXFA_FFWidget*>(pWidget->GetLayoutItem());
-  if (!pXFAWidget)
-    return FALSE;
-
-  IXFA_DocEnvironment* pDocEnvironment =
-      pXFAWidget->GetDoc()->GetDocEnvironment();
-  if (!pDocEnvironment)
-    return FALSE;
-
-  if (bVisible) {
-    CFX_Matrix mt;
-    pXFAWidget->GetRotateMatrix(mt);
-    CFX_RectF rt(*pRtAnchor);
-    mt.TransformRect(rt);
-    pDocEnvironment->DisplayCaret(pXFAWidget, bVisible, &rt);
-    return TRUE;
-  }
-  pDocEnvironment->DisplayCaret(pXFAWidget, bVisible, pRtAnchor);
-  return TRUE;
-}
-
-void CFWL_EditImp::ShowCaret(FX_BOOL bVisible, CFX_RectF* pRect) {
-  if (m_pCaret) {
-    m_pCaret->ShowCaret(bVisible);
-    if (bVisible && !pRect->IsEmpty()) {
-      m_pCaret->SetWidgetRect(*pRect);
-    }
-    Repaint(&m_rtEngine);
-  } else {
-    IFWL_Widget* pOuter = m_pInterface;
-    if (bVisible) {
-      pRect->Offset(m_pProperties->m_rtWidget.left,
-                    m_pProperties->m_rtWidget.top);
-    }
-    while (pOuter->GetOuter()) {
-      pOuter = pOuter->GetOuter();
-      if (bVisible) {
-        CFX_RectF rtOuter;
-        pOuter->GetWidgetRect(rtOuter);
-        pRect->Offset(rtOuter.left, rtOuter.top);
-      }
-    }
-    FWL_ShowCaret(pOuter, bVisible, pRect);
-  }
-}
-FX_BOOL CFWL_EditImp::ValidateNumberChar(FX_WCHAR cNum) {
-  if (!m_pEdtEngine) {
-    return FALSE;
-  }
-  if (!m_bSetRange) {
-    return TRUE;
-  }
-  CFX_WideString wsOld, wsText;
-  m_pEdtEngine->GetText(wsText, 0);
-  if (wsText.IsEmpty()) {
-    if (cNum == L'0') {
-      return FALSE;
-    }
-    return TRUE;
-  }
-  int32_t caretPos = m_pEdtEngine->GetCaretPos();
-  int32_t iSel = CountSelRanges();
-  if (iSel == 0) {
-    if (cNum == L'0' && caretPos == 0) {
-      return FALSE;
-    }
-    int32_t nLen = wsText.GetLength();
-    CFX_WideString l = wsText.Mid(0, caretPos);
-    CFX_WideString r = wsText.Mid(caretPos, nLen - caretPos);
-    CFX_WideString wsNew = l + cNum + r;
-    if (wsNew.GetInteger() <= m_iMax) {
-      return TRUE;
-    }
-  } else {
-    if (wsText.GetInteger() <= m_iMax) {
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
-void CFWL_EditImp::InitCaret() {
-  if (!m_pCaret) {
-    if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret)) {
-      CFWL_WidgetImpProperties prop;
-      m_pCaret.reset(IFWL_Caret::Create(prop, m_pInterface));
-      m_pCaret->Initialize();
-      m_pCaret->SetParent(m_pInterface);
-      m_pCaret->SetStates(m_pProperties->m_dwStates);
-    }
-  } else if ((m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_InnerCaret) ==
-             0) {
-    m_pCaret.reset();
-  }
-}
-
-void CFWL_EditImp::ClearRecord() {
-  m_iCurRecord = -1;
-  m_DoRecords.clear();
-}
-
-void CFWL_EditImp::ProcessInsertError(int32_t iError) {
-  switch (iError) {
-    case -2: {
-      CFWL_EvtEdtTextFull textFullEvent;
-      textFullEvent.m_pSrcTarget = m_pInterface;
-      DispatchEvent(&textFullEvent);
-      break;
-    }
-    default: {}
-  }
-}
-
-CFWL_EditImpDelegate::CFWL_EditImpDelegate(CFWL_EditImp* pOwner)
-    : m_pOwner(pOwner) {}
-
-void CFWL_EditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
-  if (!pMessage)
-    return;
-
-  CFWL_MessageType dwMsgCode = pMessage->GetClassID();
-  switch (dwMsgCode) {
-    case CFWL_MessageType::Activate: {
-      DoActivate(static_cast<CFWL_MsgActivate*>(pMessage));
-      break;
-    }
-    case CFWL_MessageType::Deactivate: {
-      DoDeactivate(static_cast<CFWL_MsgDeactivate*>(pMessage));
-      break;
-    }
-    case CFWL_MessageType::SetFocus:
-    case CFWL_MessageType::KillFocus: {
-      OnFocusChanged(pMessage, dwMsgCode == CFWL_MessageType::SetFocus);
-      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::LeftButtonDblClk: {
-          OnButtonDblClk(pMsg);
-          break;
-        }
-        case FWL_MouseCommand::Move: {
-          OnMouseMove(pMsg);
-          break;
-        }
-        case FWL_MouseCommand::RightButtonDown: {
-          DoButtonDown(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);
-      else if (pKey->m_dwCmd == FWL_KeyCommand::Char)
-        OnChar(pKey);
-      break;
-    }
-    default: {
-      break;
-    }
-  }
-  CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
-}
-
-void CFWL_EditImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {
-  if (!pEvent)
-    return;
-  if (pEvent->GetClassID() != CFWL_EventType::Scroll)
-    return;
-
-  IFWL_Widget* pSrcTarget = pEvent->m_pSrcTarget;
-  if ((pSrcTarget == m_pOwner->m_pVertScrollBar.get() &&
-       m_pOwner->m_pVertScrollBar) ||
-      (pSrcTarget == m_pOwner->m_pHorzScrollBar.get() &&
-       m_pOwner->m_pHorzScrollBar)) {
-    CFWL_EvtScroll* pScrollEvent = static_cast<CFWL_EvtScroll*>(pEvent);
-    OnScroll(static_cast<IFWL_ScrollBar*>(pSrcTarget),
-             pScrollEvent->m_iScrollCode, pScrollEvent->m_fPos);
-  }
-}
-
-void CFWL_EditImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
-                                        const CFX_Matrix* pMatrix) {
-  m_pOwner->DrawWidget(pGraphics, pMatrix);
-}
-
-void CFWL_EditImpDelegate::DoActivate(CFWL_MsgActivate* pMsg) {
-  m_pOwner->m_pProperties->m_dwStates |= ~FWL_WGTSTATE_Deactivated;
-  m_pOwner->Repaint(&m_pOwner->m_rtClient);
-}
-void CFWL_EditImpDelegate::DoDeactivate(CFWL_MsgDeactivate* pMsg) {
-  m_pOwner->m_pProperties->m_dwStates &= FWL_WGTSTATE_Deactivated;
-  m_pOwner->Repaint(&m_pOwner->m_rtClient);
-}
-void CFWL_EditImpDelegate::DoButtonDown(CFWL_MsgMouse* pMsg) {
-  if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
-    m_pOwner->SetFocus(TRUE);
-  }
-  if (!m_pOwner->m_pEdtEngine) {
-    m_pOwner->UpdateEditEngine();
-  }
-  IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return;
-  CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
-  m_pOwner->DeviceToEngine(pt);
-  FX_BOOL bBefore = TRUE;
-  int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
-  if (nIndex < 0) {
-    nIndex = 0;
-  }
-  m_pOwner->m_pEdtEngine->SetCaretPos(nIndex, bBefore);
-}
-void CFWL_EditImpDelegate::OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet) {
-  uint32_t dwStyleEx = m_pOwner->GetStylesEx();
-  bool bRepaint = !!(dwStyleEx & FWL_STYLEEXT_EDT_InnerCaret);
-  if (bSet) {
-    m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
-    if (!m_pOwner->m_pEdtEngine) {
-      m_pOwner->UpdateEditEngine();
-    }
-    m_pOwner->UpdateVAlignment();
-    m_pOwner->UpdateOffset();
-    m_pOwner->UpdateCaret();
-  } else if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) {
-    m_pOwner->m_pProperties->m_dwStates &= ~FWL_WGTSTATE_Focused;
-    m_pOwner->ShowCaret(FALSE);
-    if (m_pOwner->m_pEdtEngine &&
-        (dwStyleEx & FWL_STYLEEXT_EDT_NoHideSel) == 0) {
-      int32_t nSel = m_pOwner->CountSelRanges();
-      if (nSel > 0) {
-        m_pOwner->ClearSelections();
-        bRepaint = TRUE;
-      }
-      m_pOwner->SetCaretPos(0);
-      m_pOwner->UpdateOffset();
-    }
-    m_pOwner->ClearRecord();
-  }
-  m_pOwner->LayoutScrollBar();
-  if (bRepaint) {
-    CFX_RectF rtInvalidate;
-    rtInvalidate.Set(0, 0, m_pOwner->m_pProperties->m_rtWidget.width,
-                     m_pOwner->m_pProperties->m_rtWidget.height);
-    m_pOwner->Repaint(&rtInvalidate);
-  }
-}
-void CFWL_EditImpDelegate::OnLButtonDown(CFWL_MsgMouse* pMsg) {
-  DoCursor(pMsg);
-  if (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled) {
-    return;
-  }
-  m_pOwner->m_bLButtonDown = TRUE;
-  m_pOwner->SetGrab(TRUE);
-  DoButtonDown(pMsg);
-  int32_t nIndex = m_pOwner->m_pEdtEngine->GetCaretPos();
-  FX_BOOL bRepaint = FALSE;
-  int32_t iCount = m_pOwner->m_pEdtEngine->CountSelRanges();
-  if (iCount > 0) {
-    m_pOwner->m_pEdtEngine->ClearSelection();
-    bRepaint = TRUE;
-  }
-  FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
-  if (bShift && m_pOwner->m_nSelStart != nIndex) {
-    int32_t iStart = std::min(m_pOwner->m_nSelStart, nIndex);
-    int32_t iEnd = std::max(m_pOwner->m_nSelStart, nIndex);
-    m_pOwner->m_pEdtEngine->AddSelRange(iStart, iEnd - iStart);
-    bRepaint = TRUE;
-  } else {
-    m_pOwner->m_nSelStart = nIndex;
-  }
-  if (bRepaint) {
-    m_pOwner->Repaint(&m_pOwner->m_rtEngine);
-  }
-}
-void CFWL_EditImpDelegate::OnLButtonUp(CFWL_MsgMouse* pMsg) {
-  DoCursor(pMsg);
-  m_pOwner->m_bLButtonDown = FALSE;
-  m_pOwner->SetGrab(FALSE);
-}
-void CFWL_EditImpDelegate::OnButtonDblClk(CFWL_MsgMouse* pMsg) {
-  if (!m_pOwner->m_pEdtEngine)
-    return;
-  DoCursor(pMsg);
-  IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return;
-  CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
-  m_pOwner->DeviceToEngine(pt);
-  int32_t nCount = 0;
-  int32_t nIndex = pPage->SelectWord(pt, nCount);
-  if (nIndex < 0) {
-    return;
-  }
-  m_pOwner->m_pEdtEngine->AddSelRange(nIndex, nCount);
-  m_pOwner->m_pEdtEngine->SetCaretPos(nIndex + nCount - 1, FALSE);
-  m_pOwner->Repaint(&m_pOwner->m_rtEngine);
-}
-void CFWL_EditImpDelegate::OnMouseMove(CFWL_MsgMouse* pMsg) {
-  if (!m_pOwner->m_pEdtEngine)
-    return;
-  DoCursor(pMsg);
-  if (m_pOwner->m_nSelStart == -1 || !m_pOwner->m_bLButtonDown) {
-    return;
-  }
-  IFDE_TxtEdtPage* pPage = m_pOwner->m_pEdtEngine->GetPage(0);
-  if (!pPage)
-    return;
-  CFX_PointF pt(pMsg->m_fx, pMsg->m_fy);
-  m_pOwner->DeviceToEngine(pt);
-  FX_BOOL bBefore = TRUE;
-  int32_t nIndex = pPage->GetCharIndex(pt, bBefore);
-  m_pOwner->m_pEdtEngine->SetCaretPos(nIndex, bBefore);
-  nIndex = m_pOwner->m_pEdtEngine->GetCaretPos();
-  m_pOwner->m_pEdtEngine->ClearSelection();
-  if (nIndex != m_pOwner->m_nSelStart) {
-    int32_t nLen = m_pOwner->m_pEdtEngine->GetTextLength();
-    if (m_pOwner->m_nSelStart >= nLen) {
-      m_pOwner->m_nSelStart = nLen;
-    }
-    m_pOwner->m_pEdtEngine->AddSelRange(
-        std::min(m_pOwner->m_nSelStart, nIndex),
-        FXSYS_abs(nIndex - m_pOwner->m_nSelStart));
-  }
-}
-void CFWL_EditImpDelegate::OnKeyDown(CFWL_MsgKey* pMsg) {
-  if (!m_pOwner->m_pEdtEngine)
-    return;
-  FDE_TXTEDTMOVECARET MoveCaret = MC_MoveNone;
-  FX_BOOL bShift = pMsg->m_dwFlags & FWL_KEYFLAG_Shift;
-  FX_BOOL bCtrl = pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl;
-  uint32_t dwKeyCode = pMsg->m_dwKeyCode;
-  switch (dwKeyCode) {
-    case FWL_VKEY_Left: {
-      MoveCaret = MC_Left;
-      break;
-    }
-    case FWL_VKEY_Right: {
-      MoveCaret = MC_Right;
-      break;
-    }
-    case FWL_VKEY_Up: {
-      MoveCaret = MC_Up;
-      break;
-    }
-    case FWL_VKEY_Down: {
-      MoveCaret = MC_Down;
-      break;
-    }
-    case FWL_VKEY_Home: {
-      if (bCtrl) {
-        MoveCaret = MC_Home;
-      } else {
-        MoveCaret = MC_LineStart;
-      }
-      break;
-    }
-    case FWL_VKEY_End: {
-      if (bCtrl) {
-        MoveCaret = MC_End;
-      } else {
-        MoveCaret = MC_LineEnd;
-      }
-      break;
-    }
-    case FWL_VKEY_Insert: {
-      break;
-    }
-    case FWL_VKEY_Delete: {
-      if ((m_pOwner->m_pProperties->m_dwStyleExes &
-           FWL_STYLEEXT_EDT_ReadOnly) ||
-          (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
-        break;
-      }
-      int32_t nCaret = m_pOwner->m_pEdtEngine->GetCaretPos();
-#if (_FX_OS_ == _FX_MACOSX_)
-      m_pOwner->m_pEdtEngine->Delete(nCaret, TRUE);
-#else
-      m_pOwner->m_pEdtEngine->Delete(nCaret);
-#endif
-      break;
-    }
-    case FWL_VKEY_F2: {
-      break;
-    }
-    case FWL_VKEY_Tab: {
-      m_pOwner->DispatchKeyEvent(pMsg);
-      break;
-    }
-    default: {
-#if (_FX_OS_ == _FX_MACOSX_)
-      if (pMsg->m_dwFlags & FWL_KEYFLAG_Command) {
-#else
-      if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl) {
-#endif
-        if (dwKeyCode == 0x43 || dwKeyCode == 0x63) {
-          m_pOwner->DoClipboard(1);
-          return;
-        }
-        if (dwKeyCode == 0x58 || dwKeyCode == 0x78) {
-          m_pOwner->DoClipboard(2);
-          return;
-        }
-        if (dwKeyCode == 0x56 || dwKeyCode == 0x76) {
-          m_pOwner->DoClipboard(3);
-          return;
-        }
-      }
-    }
-  }
-  if (MoveCaret != MC_MoveNone) {
-    m_pOwner->m_pEdtEngine->MoveCaretPos(MoveCaret, bShift, bCtrl);
-  }
-}
-void CFWL_EditImpDelegate::OnChar(CFWL_MsgKey* pMsg) {
-  if ((m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_ReadOnly) ||
-      (m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Disabled)) {
-    return;
-  }
-  if (!m_pOwner->m_pEdtEngine)
-    return;
-  int32_t iError = 0;
-  FX_WCHAR c = (FX_WCHAR)pMsg->m_dwKeyCode;
-  int32_t nCaret = m_pOwner->m_pEdtEngine->GetCaretPos();
-  switch (c) {
-    case FWL_VKEY_Back: {
-      m_pOwner->m_pEdtEngine->Delete(nCaret, TRUE);
-      break;
-    }
-    case 0x0A: {
-      break;
-    }
-    case FWL_VKEY_Escape: {
-      break;
-    }
-    case FWL_VKEY_Tab: {
-      iError = m_pOwner->m_pEdtEngine->Insert(nCaret, L"\t", 1);
-      break;
-    }
-    case FWL_VKEY_Return: {
-      if (m_pOwner->m_pProperties->m_dwStyleExes &
-          FWL_STYLEEXT_EDT_WantReturn) {
-        iError = m_pOwner->m_pEdtEngine->Insert(nCaret, L"\n", 1);
-      }
-      break;
-    }
-    default: {
-      if (!m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
-        if (m_pOwner->m_pProperties->m_dwStyleExes & FWL_STYLEEXT_EDT_Number) {
-          if (((pMsg->m_dwKeyCode < FWL_VKEY_0) &&
-               (pMsg->m_dwKeyCode != 0x2E && pMsg->m_dwKeyCode != 0x2D)) ||
-              pMsg->m_dwKeyCode > FWL_VKEY_9) {
-            break;
-          }
-          if (!m_pOwner->ValidateNumberChar(c)) {
-            break;
-          }
-        }
-      }
-#if (_FX_OS_ == _FX_MACOSX_)
-      if (pMsg->m_dwFlags & FWL_KEYFLAG_Command)
-#else
-      if (pMsg->m_dwFlags & FWL_KEYFLAG_Ctrl)
-#endif
-      {
-        break;
-      }
-      iError = m_pOwner->m_pEdtEngine->Insert(nCaret, &c, 1);
-      break;
-    }
-  }
-  if (iError < 0) {
-    m_pOwner->ProcessInsertError(iError);
-  }
-}
-FX_BOOL CFWL_EditImpDelegate::OnScroll(IFWL_ScrollBar* pScrollBar,
-                                       uint32_t dwCode,
-                                       FX_FLOAT fPos) {
-  CFX_SizeF fs;
-  pScrollBar->GetRange(fs.x, fs.y);
-  FX_FLOAT iCurPos = pScrollBar->GetPos();
-  FX_FLOAT fStep = pScrollBar->GetStepSize();
-  switch (dwCode) {
-    case FWL_SCBCODE_Min: {
-      fPos = fs.x;
-      break;
-    }
-    case FWL_SCBCODE_Max: {
-      fPos = fs.y;
-      break;
-    }
-    case FWL_SCBCODE_StepBackward: {
-      fPos -= fStep;
-      if (fPos < fs.x + fStep / 2) {
-        fPos = fs.x;
-      }
-      break;
-    }
-    case FWL_SCBCODE_StepForward: {
-      fPos += fStep;
-      if (fPos > fs.y - fStep / 2) {
-        fPos = fs.y;
-      }
-      break;
-    }
-    case FWL_SCBCODE_PageBackward: {
-      fPos -= pScrollBar->GetPageSize();
-      if (fPos < fs.x) {
-        fPos = fs.x;
-      }
-      break;
-    }
-    case FWL_SCBCODE_PageForward: {
-      fPos += pScrollBar->GetPageSize();
-      if (fPos > fs.y) {
-        fPos = fs.y;
-      }
-      break;
-    }
-    case FWL_SCBCODE_Pos:
-    case FWL_SCBCODE_TrackPos: {
-      break;
-    }
-    case FWL_SCBCODE_EndScroll: {
-      return FALSE;
-    }
-    default: {}
-  }
-  if (iCurPos != fPos) {
-    pScrollBar->SetPos(fPos);
-    pScrollBar->SetTrackPos(fPos);
-    m_pOwner->UpdateOffset(pScrollBar, fPos - iCurPos);
-    if (m_pOwner->m_pEdtEngine) {
-      m_pOwner->UpdateCaret();
-    }
-    CFX_RectF rect;
-    m_pOwner->GetWidgetRect(rect);
-    CFX_RectF rtInvalidate;
-    rtInvalidate.Set(0, 0, rect.width + 2, rect.height + 2);
-    m_pOwner->Repaint(&rtInvalidate);
-  }
-  return TRUE;
-}
-void CFWL_EditImpDelegate::DoCursor(CFWL_MsgMouse* pMsg) {}