Remove fxedit place classes in pdfwindow/

This CL removes the fpdfsdk/fxedit folder and moves the code to
fpdfsdk/pdfwindow which is the primary consumer. The classes were
renamed from CFX_* to CPWL_*.

Change-Id: I6c6178adccf978193bbb9685204657ebd3f438bb
Reviewed-on: https://pdfium-review.googlesource.com/8552
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 2043 deletions

diff --git a/fpdfsdk/fxedit/fxet_edit.cpp b/fpdfsdk/fxedit/fxet_edit.cpp
deleted file mode 100644
index 6c4595408f..0000000000
--- a/fpdfsdk/fxedit/fxet_edit.cpp
+++ /dev/null
@@ -1,2043 +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 "fpdfsdk/fxedit/fxet_edit.h"
-
-#include <algorithm>
-#include <memory>
-#include <sstream>
-#include <utility>
-
-#include "core/fpdfapi/font/cpdf_font.h"
-#include "core/fpdfapi/page/cpdf_pageobject.h"
-#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
-#include "core/fpdfapi/page/cpdf_pathobject.h"
-#include "core/fpdfapi/page/cpdf_textobject.h"
-#include "core/fpdfapi/parser/fpdf_parser_decode.h"
-#include "core/fpdfapi/render/cpdf_renderoptions.h"
-#include "core/fpdfapi/render/cpdf_textrenderer.h"
-#include "core/fpdfdoc/cpvt_section.h"
-#include "core/fpdfdoc/cpvt_word.h"
-#include "core/fpdfdoc/ipvt_fontmap.h"
-#include "core/fxcrt/fx_codepage.h"
-#include "core/fxge/cfx_graphstatedata.h"
-#include "core/fxge/cfx_pathdata.h"
-#include "core/fxge/cfx_renderdevice.h"
-#include "fpdfsdk/cfx_systemhandler.h"
-#include "fpdfsdk/pdfwindow/cpwl_edit.h"
-#include "fpdfsdk/pdfwindow/cpwl_edit_ctrl.h"
-#include "fpdfsdk/pdfwindow/cpwl_scroll_bar.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
-
-namespace {
-
-const int kEditUndoMaxItems = 10000;
-
-void DrawTextString(CFX_RenderDevice* pDevice,
-                    const CFX_PointF& pt,
-                    CPDF_Font* pFont,
-                    float fFontSize,
-                    CFX_Matrix* pUser2Device,
-                    const CFX_ByteString& str,
-                    FX_ARGB crTextFill,
-                    int32_t nHorzScale) {
-  CFX_PointF pos = pUser2Device->Transform(pt);
-
-  if (pFont) {
-    if (nHorzScale != 100) {
-      CFX_Matrix mt(nHorzScale / 100.0f, 0, 0, 1, 0, 0);
-      mt.Concat(*pUser2Device);
-
-      CPDF_RenderOptions ro;
-      ro.m_Flags = RENDER_CLEARTYPE;
-      ro.m_ColorMode = CPDF_RenderOptions::kNormal;
-
-      CPDF_TextRenderer::DrawTextString(pDevice, pos.x, pos.y, pFont, fFontSize,
-                                        &mt, str, crTextFill, nullptr, &ro);
-    } else {
-      CPDF_RenderOptions ro;
-      ro.m_Flags = RENDER_CLEARTYPE;
-      ro.m_ColorMode = CPDF_RenderOptions::kNormal;
-
-      CPDF_TextRenderer::DrawTextString(pDevice, pos.x, pos.y, pFont, fFontSize,
-                                        pUser2Device, str, crTextFill, nullptr,
-                                        &ro);
-    }
-  }
-}
-
-}  // namespace
-
-CFX_Edit_Iterator::CFX_Edit_Iterator(CFX_Edit* pEdit,
-                                     CPDF_VariableText::Iterator* pVTIterator)
-    : m_pEdit(pEdit), m_pVTIterator(pVTIterator) {}
-
-CFX_Edit_Iterator::~CFX_Edit_Iterator() {}
-
-bool CFX_Edit_Iterator::NextWord() {
-  return m_pVTIterator->NextWord();
-}
-
-bool CFX_Edit_Iterator::PrevWord() {
-  return m_pVTIterator->PrevWord();
-}
-
-bool CFX_Edit_Iterator::GetWord(CPVT_Word& word) const {
-  ASSERT(m_pEdit);
-
-  if (m_pVTIterator->GetWord(word)) {
-    word.ptWord = m_pEdit->VTToEdit(word.ptWord);
-    return true;
-  }
-  return false;
-}
-
-bool CFX_Edit_Iterator::GetLine(CPVT_Line& line) const {
-  ASSERT(m_pEdit);
-
-  if (m_pVTIterator->GetLine(line)) {
-    line.ptLine = m_pEdit->VTToEdit(line.ptLine);
-    return true;
-  }
-  return false;
-}
-
-void CFX_Edit_Iterator::SetAt(int32_t nWordIndex) {
-  m_pVTIterator->SetAt(nWordIndex);
-}
-
-void CFX_Edit_Iterator::SetAt(const CPVT_WordPlace& place) {
-  m_pVTIterator->SetAt(place);
-}
-
-const CPVT_WordPlace& CFX_Edit_Iterator::GetAt() const {
-  return m_pVTIterator->GetAt();
-}
-
-CFX_Edit_Provider::CFX_Edit_Provider(IPVT_FontMap* pFontMap)
-    : CPDF_VariableText::Provider(pFontMap), m_pFontMap(pFontMap) {
-  ASSERT(m_pFontMap);
-}
-
-CFX_Edit_Provider::~CFX_Edit_Provider() {}
-
-IPVT_FontMap* CFX_Edit_Provider::GetFontMap() const {
-  return m_pFontMap;
-}
-
-int32_t CFX_Edit_Provider::GetCharWidth(int32_t nFontIndex, uint16_t word) {
-  if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex)) {
-    uint32_t charcode = word;
-
-    if (pPDFFont->IsUnicodeCompatible())
-      charcode = pPDFFont->CharCodeFromUnicode(word);
-    else
-      charcode = m_pFontMap->CharCodeFromUnicode(nFontIndex, word);
-
-    if (charcode != CPDF_Font::kInvalidCharCode)
-      return pPDFFont->GetCharWidthF(charcode);
-  }
-
-  return 0;
-}
-
-int32_t CFX_Edit_Provider::GetTypeAscent(int32_t nFontIndex) {
-  if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex))
-    return pPDFFont->GetTypeAscent();
-
-  return 0;
-}
-
-int32_t CFX_Edit_Provider::GetTypeDescent(int32_t nFontIndex) {
-  if (CPDF_Font* pPDFFont = m_pFontMap->GetPDFFont(nFontIndex))
-    return pPDFFont->GetTypeDescent();
-
-  return 0;
-}
-
-int32_t CFX_Edit_Provider::GetWordFontIndex(uint16_t word,
-                                            int32_t charset,
-                                            int32_t nFontIndex) {
-  return m_pFontMap->GetWordFontIndex(word, charset, nFontIndex);
-}
-
-int32_t CFX_Edit_Provider::GetDefaultFontIndex() {
-  return 0;
-}
-
-bool CFX_Edit_Provider::IsLatinWord(uint16_t word) {
-  return FX_EDIT_ISLATINWORD(word);
-}
-
-CFX_Edit_Refresh::CFX_Edit_Refresh() {}
-
-CFX_Edit_Refresh::~CFX_Edit_Refresh() {}
-
-void CFX_Edit_Refresh::BeginRefresh() {
-  m_RefreshRects.Clear();
-  m_OldLineRects = std::move(m_NewLineRects);
-}
-
-void CFX_Edit_Refresh::Push(const CPVT_WordRange& linerange,
-                            const CFX_FloatRect& rect) {
-  m_NewLineRects.Add(linerange, rect);
-}
-
-void CFX_Edit_Refresh::NoAnalyse() {
-  {
-    for (int32_t i = 0, sz = m_OldLineRects.GetSize(); i < sz; i++)
-      if (CFX_Edit_LineRect* pOldRect = m_OldLineRects.GetAt(i))
-        m_RefreshRects.Add(pOldRect->m_rcLine);
-  }
-
-  {
-    for (int32_t i = 0, sz = m_NewLineRects.GetSize(); i < sz; i++)
-      if (CFX_Edit_LineRect* pNewRect = m_NewLineRects.GetAt(i))
-        m_RefreshRects.Add(pNewRect->m_rcLine);
-  }
-}
-
-const CFX_Edit_RectArray* CFX_Edit_Refresh::GetRefreshRects() const {
-  return &m_RefreshRects;
-}
-
-void CFX_Edit_Refresh::EndRefresh() {
-  m_RefreshRects.Clear();
-}
-
-CFX_Edit_Undo::CFX_Edit_Undo(int32_t nBufsize)
-    : m_nCurUndoPos(0),
-      m_nBufSize(nBufsize),
-      m_bWorking(false) {}
-
-CFX_Edit_Undo::~CFX_Edit_Undo() {
-  Reset();
-}
-
-bool CFX_Edit_Undo::CanUndo() const {
-  return m_nCurUndoPos > 0;
-}
-
-void CFX_Edit_Undo::Undo() {
-  m_bWorking = true;
-  if (m_nCurUndoPos > 0) {
-    m_UndoItemStack[m_nCurUndoPos - 1]->Undo();
-    m_nCurUndoPos--;
-  }
-  m_bWorking = false;
-}
-
-bool CFX_Edit_Undo::CanRedo() const {
-  return m_nCurUndoPos < m_UndoItemStack.size();
-}
-
-void CFX_Edit_Undo::Redo() {
-  m_bWorking = true;
-  if (m_nCurUndoPos < m_UndoItemStack.size()) {
-    m_UndoItemStack[m_nCurUndoPos]->Redo();
-    m_nCurUndoPos++;
-  }
-  m_bWorking = false;
-}
-
-void CFX_Edit_Undo::AddItem(std::unique_ptr<IFX_Edit_UndoItem> pItem) {
-  ASSERT(!m_bWorking);
-  ASSERT(pItem);
-  ASSERT(m_nBufSize > 1);
-  if (m_nCurUndoPos < m_UndoItemStack.size())
-    RemoveTails();
-
-  if (m_UndoItemStack.size() >= m_nBufSize)
-    RemoveHeads();
-
-  m_UndoItemStack.push_back(std::move(pItem));
-  m_nCurUndoPos = m_UndoItemStack.size();
-}
-
-void CFX_Edit_Undo::RemoveHeads() {
-  ASSERT(m_UndoItemStack.size() > 1);
-  m_UndoItemStack.pop_front();
-}
-
-void CFX_Edit_Undo::RemoveTails() {
-  while (m_UndoItemStack.size() > m_nCurUndoPos)
-    m_UndoItemStack.pop_back();
-}
-
-void CFX_Edit_Undo::Reset() {
-  m_UndoItemStack.clear();
-  m_nCurUndoPos = 0;
-}
-
-CFX_Edit_UndoItem::CFX_Edit_UndoItem() : m_bFirst(true), m_bLast(true) {}
-
-CFX_Edit_UndoItem::~CFX_Edit_UndoItem() {}
-
-CFX_WideString CFX_Edit_UndoItem::GetUndoTitle() const {
-  return CFX_WideString();
-}
-
-void CFX_Edit_UndoItem::SetFirst(bool bFirst) {
-  m_bFirst = bFirst;
-}
-
-void CFX_Edit_UndoItem::SetLast(bool bLast) {
-  m_bLast = bLast;
-}
-
-bool CFX_Edit_UndoItem::IsLast() {
-  return m_bLast;
-}
-
-CFXEU_InsertWord::CFXEU_InsertWord(CFX_Edit* pEdit,
-                                   const CPVT_WordPlace& wpOldPlace,
-                                   const CPVT_WordPlace& wpNewPlace,
-                                   uint16_t word,
-                                   int32_t charset,
-                                   const CPVT_WordProps* pWordProps)
-    : m_pEdit(pEdit),
-      m_wpOld(wpOldPlace),
-      m_wpNew(wpNewPlace),
-      m_Word(word),
-      m_nCharset(charset),
-      m_WordProps() {
-  if (pWordProps)
-    m_WordProps = *pWordProps;
-}
-
-CFXEU_InsertWord::~CFXEU_InsertWord() {}
-
-void CFXEU_InsertWord::Redo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpOld);
-    m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, false, true);
-  }
-}
-
-void CFXEU_InsertWord::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpNew);
-    m_pEdit->Backspace(false, true);
-  }
-}
-
-CFXEU_InsertReturn::CFXEU_InsertReturn(CFX_Edit* pEdit,
-                                       const CPVT_WordPlace& wpOldPlace,
-                                       const CPVT_WordPlace& wpNewPlace,
-                                       const CPVT_SecProps* pSecProps,
-                                       const CPVT_WordProps* pWordProps)
-    : m_pEdit(pEdit),
-      m_wpOld(wpOldPlace),
-      m_wpNew(wpNewPlace),
-      m_SecProps(),
-      m_WordProps() {
-  if (pSecProps)
-    m_SecProps = *pSecProps;
-  if (pWordProps)
-    m_WordProps = *pWordProps;
-}
-
-CFXEU_InsertReturn::~CFXEU_InsertReturn() {}
-
-void CFXEU_InsertReturn::Redo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpOld);
-    m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, false, true);
-  }
-}
-
-void CFXEU_InsertReturn::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpNew);
-    m_pEdit->Backspace(false, true);
-  }
-}
-
-CFXEU_Backspace::CFXEU_Backspace(CFX_Edit* pEdit,
-                                 const CPVT_WordPlace& wpOldPlace,
-                                 const CPVT_WordPlace& wpNewPlace,
-                                 uint16_t word,
-                                 int32_t charset,
-                                 const CPVT_SecProps& SecProps,
-                                 const CPVT_WordProps& WordProps)
-    : m_pEdit(pEdit),
-      m_wpOld(wpOldPlace),
-      m_wpNew(wpNewPlace),
-      m_Word(word),
-      m_nCharset(charset),
-      m_SecProps(SecProps),
-      m_WordProps(WordProps) {}
-
-CFXEU_Backspace::~CFXEU_Backspace() {}
-
-void CFXEU_Backspace::Redo() {
-  if (!m_pEdit)
-    return;
-
-  m_pEdit->SelectNone();
-  m_pEdit->SetCaret(m_wpOld);
-  m_pEdit->Backspace(false, true);
-}
-
-void CFXEU_Backspace::Undo() {
-  if (!m_pEdit)
-    return;
-
-  m_pEdit->SelectNone();
-  m_pEdit->SetCaret(m_wpNew);
-  if (m_wpNew.nSecIndex != m_wpOld.nSecIndex)
-    m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, false, true);
-  else
-    m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, false, true);
-}
-
-CFXEU_Delete::CFXEU_Delete(CFX_Edit* pEdit,
-                           const CPVT_WordPlace& wpOldPlace,
-                           const CPVT_WordPlace& wpNewPlace,
-                           uint16_t word,
-                           int32_t charset,
-                           const CPVT_SecProps& SecProps,
-                           const CPVT_WordProps& WordProps,
-                           bool bSecEnd)
-    : m_pEdit(pEdit),
-      m_wpOld(wpOldPlace),
-      m_wpNew(wpNewPlace),
-      m_Word(word),
-      m_nCharset(charset),
-      m_SecProps(SecProps),
-      m_WordProps(WordProps),
-      m_bSecEnd(bSecEnd) {}
-
-CFXEU_Delete::~CFXEU_Delete() {}
-
-void CFXEU_Delete::Redo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpOld);
-    m_pEdit->Delete(false, true);
-  }
-}
-
-void CFXEU_Delete::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpNew);
-    if (m_bSecEnd) {
-      m_pEdit->InsertReturn(&m_SecProps, &m_WordProps, false, true);
-    } else {
-      m_pEdit->InsertWord(m_Word, m_nCharset, &m_WordProps, false, true);
-    }
-  }
-}
-
-CFXEU_Clear::CFXEU_Clear(CFX_Edit* pEdit,
-                         const CPVT_WordRange& wrSel,
-                         const CFX_WideString& swText)
-    : m_pEdit(pEdit), m_wrSel(wrSel), m_swText(swText) {}
-
-CFXEU_Clear::~CFXEU_Clear() {}
-
-void CFXEU_Clear::Redo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetSelection(m_wrSel.BeginPos, m_wrSel.EndPos);
-    m_pEdit->Clear(false, true);
-  }
-}
-
-void CFXEU_Clear::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wrSel.BeginPos);
-    m_pEdit->InsertText(m_swText, FX_CHARSET_Default, false, true);
-    m_pEdit->SetSelection(m_wrSel.BeginPos, m_wrSel.EndPos);
-  }
-}
-
-CFXEU_InsertText::CFXEU_InsertText(CFX_Edit* pEdit,
-                                   const CPVT_WordPlace& wpOldPlace,
-                                   const CPVT_WordPlace& wpNewPlace,
-                                   const CFX_WideString& swText,
-                                   int32_t charset)
-    : m_pEdit(pEdit),
-      m_wpOld(wpOldPlace),
-      m_wpNew(wpNewPlace),
-      m_swText(swText),
-      m_nCharset(charset) {}
-
-CFXEU_InsertText::~CFXEU_InsertText() {}
-
-void CFXEU_InsertText::Redo() {
-  if (m_pEdit && IsLast()) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetCaret(m_wpOld);
-    m_pEdit->InsertText(m_swText, m_nCharset, false, true);
-  }
-}
-
-void CFXEU_InsertText::Undo() {
-  if (m_pEdit) {
-    m_pEdit->SelectNone();
-    m_pEdit->SetSelection(m_wpOld, m_wpNew);
-    m_pEdit->Clear(false, true);
-  }
-}
-
-// static
-void CFX_Edit::DrawEdit(CFX_RenderDevice* pDevice,
-                        CFX_Matrix* pUser2Device,
-                        CFX_Edit* pEdit,
-                        FX_COLORREF crTextFill,
-                        const CFX_FloatRect& rcClip,
-                        const CFX_PointF& ptOffset,
-                        const CPVT_WordRange* pRange,
-                        CFX_SystemHandler* pSystemHandler,
-                        CFFL_FormFiller* pFFLData) {
-  const bool bContinuous =
-      pEdit->GetCharArray() == 0 && pEdit->GetCharSpace() <= 0.0f;
-  uint16_t SubWord = pEdit->GetPasswordChar();
-  float fFontSize = pEdit->GetFontSize();
-  CPVT_WordRange wrSelect = pEdit->GetSelectWordRange();
-  int32_t nHorzScale = pEdit->GetHorzScale();
-
-  FX_COLORREF crCurFill = crTextFill;
-  FX_COLORREF crOldFill = crCurFill;
-
-  bool bSelect = false;
-  const FX_COLORREF crWhite = ArgbEncode(255, 255, 255, 255);
-  const FX_COLORREF crSelBK = ArgbEncode(255, 0, 51, 113);
-
-  std::ostringstream sTextBuf;
-  int32_t nFontIndex = -1;
-  CFX_PointF ptBT;
-  CFX_RenderDevice::StateRestorer restorer(pDevice);
-  if (!rcClip.IsEmpty()) {
-    CFX_FloatRect rcTemp = rcClip;
-    pUser2Device->TransformRect(rcTemp);
-    pDevice->SetClip_Rect(rcTemp.ToFxRect());
-  }
-
-  CFX_Edit_Iterator* pIterator = pEdit->GetIterator();
-  if (IPVT_FontMap* pFontMap = pEdit->GetFontMap()) {
-    if (pRange)
-      pIterator->SetAt(pRange->BeginPos);
-    else
-      pIterator->SetAt(0);
-
-    CPVT_WordPlace oldplace;
-    while (pIterator->NextWord()) {
-      CPVT_WordPlace place = pIterator->GetAt();
-      if (pRange && place > pRange->EndPos)
-        break;
-
-      if (!wrSelect.IsEmpty()) {
-        bSelect = place > wrSelect.BeginPos && place <= wrSelect.EndPos;
-        crCurFill = bSelect ? crWhite : crTextFill;
-      }
-      if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
-        crCurFill = crTextFill;
-        crOldFill = crCurFill;
-      }
-      CPVT_Word word;
-      if (pIterator->GetWord(word)) {
-        if (bSelect) {
-          CPVT_Line line;
-          pIterator->GetLine(line);
-
-          if (pSystemHandler && pSystemHandler->IsSelectionImplemented()) {
-            CFX_FloatRect rc(word.ptWord.x, line.ptLine.y + line.fLineDescent,
-                             word.ptWord.x + word.fWidth,
-                             line.ptLine.y + line.fLineAscent);
-            rc.Intersect(rcClip);
-            pSystemHandler->OutputSelectedRect(pFFLData, rc);
-          } else {
-            CFX_PathData pathSelBK;
-            pathSelBK.AppendRect(
-                word.ptWord.x, line.ptLine.y + line.fLineDescent,
-                word.ptWord.x + word.fWidth, line.ptLine.y + line.fLineAscent);
-
-            pDevice->DrawPath(&pathSelBK, pUser2Device, nullptr, crSelBK, 0,
-                              FXFILL_WINDING);
-          }
-        }
-
-        if (bContinuous) {
-          if (place.LineCmp(oldplace) != 0 || word.nFontIndex != nFontIndex ||
-              crOldFill != crCurFill) {
-            if (sTextBuf.tellp() > 0) {
-              DrawTextString(
-                  pDevice, CFX_PointF(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
-                  pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
-                  CFX_ByteString(sTextBuf), crOldFill, nHorzScale);
-
-              sTextBuf.str("");
-            }
-            nFontIndex = word.nFontIndex;
-            ptBT = word.ptWord;
-            crOldFill = crCurFill;
-          }
-
-          sTextBuf << pEdit->GetPDFWordString(word.nFontIndex, word.Word,
-                                              SubWord);
-        } else {
-          DrawTextString(
-              pDevice,
-              CFX_PointF(word.ptWord.x + ptOffset.x,
-                         word.ptWord.y + ptOffset.y),
-              pFontMap->GetPDFFont(word.nFontIndex), fFontSize, pUser2Device,
-              pEdit->GetPDFWordString(word.nFontIndex, word.Word, SubWord),
-              crCurFill, nHorzScale);
-        }
-        oldplace = place;
-      }
-    }
-
-    if (sTextBuf.tellp() > 0) {
-      DrawTextString(pDevice,
-                     CFX_PointF(ptBT.x + ptOffset.x, ptBT.y + ptOffset.y),
-                     pFontMap->GetPDFFont(nFontIndex), fFontSize, pUser2Device,
-                     CFX_ByteString(sTextBuf), crOldFill, nHorzScale);
-    }
-  }
-}
-
-CFX_Edit::CFX_Edit()
-    : m_pVT(new CPDF_VariableText),
-      m_pNotify(nullptr),
-      m_pOprNotify(nullptr),
-      m_wpCaret(-1, -1, -1),
-      m_wpOldCaret(-1, -1, -1),
-      m_SelState(),
-      m_bEnableScroll(false),
-      m_Undo(kEditUndoMaxItems),
-      m_nAlignment(0),
-      m_bNotifyFlag(false),
-      m_bEnableOverflow(false),
-      m_bEnableRefresh(true),
-      m_rcOldContent(0.0f, 0.0f, 0.0f, 0.0f),
-      m_bEnableUndo(true),
-      m_bOprNotify(false) {}
-
-CFX_Edit::~CFX_Edit() {}
-
-void CFX_Edit::Initialize() {
-  m_pVT->Initialize();
-  SetCaret(m_pVT->GetBeginWordPlace());
-  SetCaretOrigin();
-}
-
-void CFX_Edit::SetFontMap(IPVT_FontMap* pFontMap) {
-  m_pVTProvider = pdfium::MakeUnique<CFX_Edit_Provider>(pFontMap);
-  m_pVT->SetProvider(m_pVTProvider.get());
-}
-
-void CFX_Edit::SetNotify(CPWL_EditCtrl* pNotify) {
-  m_pNotify = pNotify;
-}
-
-void CFX_Edit::SetOprNotify(CPWL_Edit* pOprNotify) {
-  m_pOprNotify = pOprNotify;
-}
-
-CFX_Edit_Iterator* CFX_Edit::GetIterator() {
-  if (!m_pIterator) {
-    m_pIterator =
-        pdfium::MakeUnique<CFX_Edit_Iterator>(this, m_pVT->GetIterator());
-  }
-  return m_pIterator.get();
-}
-
-IPVT_FontMap* CFX_Edit::GetFontMap() {
-  return m_pVTProvider ? m_pVTProvider->GetFontMap() : nullptr;
-}
-
-void CFX_Edit::SetPlateRect(const CFX_FloatRect& rect) {
-  m_pVT->SetPlateRect(rect);
-  m_ptScrollPos = CFX_PointF(rect.left, rect.top);
-  Paint();
-}
-
-void CFX_Edit::SetAlignmentH(int32_t nFormat, bool bPaint) {
-  m_pVT->SetAlignment(nFormat);
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetAlignmentV(int32_t nFormat, bool bPaint) {
-  m_nAlignment = nFormat;
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetPasswordChar(uint16_t wSubWord, bool bPaint) {
-  m_pVT->SetPasswordChar(wSubWord);
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetLimitChar(int32_t nLimitChar) {
-  m_pVT->SetLimitChar(nLimitChar);
-  Paint();
-}
-
-void CFX_Edit::SetCharArray(int32_t nCharArray) {
-  m_pVT->SetCharArray(nCharArray);
-  Paint();
-}
-
-void CFX_Edit::SetCharSpace(float fCharSpace) {
-  m_pVT->SetCharSpace(fCharSpace);
-  Paint();
-}
-
-void CFX_Edit::SetMultiLine(bool bMultiLine, bool bPaint) {
-  m_pVT->SetMultiLine(bMultiLine);
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetAutoReturn(bool bAuto, bool bPaint) {
-  m_pVT->SetAutoReturn(bAuto);
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetAutoFontSize(bool bAuto, bool bPaint) {
-  m_pVT->SetAutoFontSize(bAuto);
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetFontSize(float fFontSize) {
-  m_pVT->SetFontSize(fFontSize);
-  Paint();
-}
-
-void CFX_Edit::SetAutoScroll(bool bAuto, bool bPaint) {
-  m_bEnableScroll = bAuto;
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetTextOverflow(bool bAllowed, bool bPaint) {
-  m_bEnableOverflow = bAllowed;
-  if (bPaint)
-    Paint();
-}
-
-void CFX_Edit::SetSelection(int32_t nStartChar, int32_t nEndChar) {
-  if (m_pVT->IsValid()) {
-    if (nStartChar == 0 && nEndChar < 0) {
-      SelectAll();
-    } else if (nStartChar < 0) {
-      SelectNone();
-    } else {
-      if (nStartChar < nEndChar) {
-        SetSelection(m_pVT->WordIndexToWordPlace(nStartChar),
-                     m_pVT->WordIndexToWordPlace(nEndChar));
-      } else {
-        SetSelection(m_pVT->WordIndexToWordPlace(nEndChar),
-                     m_pVT->WordIndexToWordPlace(nStartChar));
-      }
-    }
-  }
-}
-
-void CFX_Edit::SetSelection(const CPVT_WordPlace& begin,
-                            const CPVT_WordPlace& end) {
-  if (!m_pVT->IsValid())
-    return;
-
-  SelectNone();
-  m_SelState.Set(begin, end);
-  SetCaret(m_SelState.EndPos);
-  ScrollToCaret();
-  if (!m_SelState.IsEmpty())
-    Refresh();
-  SetCaretInfo();
-}
-
-void CFX_Edit::GetSelection(int32_t& nStartChar, int32_t& nEndChar) const {
-  nStartChar = -1;
-  nEndChar = -1;
-  if (!m_pVT->IsValid())
-    return;
-
-  if (m_SelState.IsEmpty()) {
-    nStartChar = m_pVT->WordPlaceToWordIndex(m_wpCaret);
-    nEndChar = m_pVT->WordPlaceToWordIndex(m_wpCaret);
-    return;
-  }
-  if (m_SelState.BeginPos < m_SelState.EndPos) {
-    nStartChar = m_pVT->WordPlaceToWordIndex(m_SelState.BeginPos);
-    nEndChar = m_pVT->WordPlaceToWordIndex(m_SelState.EndPos);
-    return;
-  }
-  nStartChar = m_pVT->WordPlaceToWordIndex(m_SelState.EndPos);
-  nEndChar = m_pVT->WordPlaceToWordIndex(m_SelState.BeginPos);
-}
-
-int32_t CFX_Edit::GetCaret() const {
-  if (m_pVT->IsValid())
-    return m_pVT->WordPlaceToWordIndex(m_wpCaret);
-
-  return -1;
-}
-
-CPVT_WordPlace CFX_Edit::GetCaretWordPlace() const {
-  return m_wpCaret;
-}
-
-CFX_WideString CFX_Edit::GetText() const {
-  CFX_WideString swRet;
-  if (!m_pVT->IsValid())
-    return swRet;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  pIterator->SetAt(0);
-
-  CPVT_Word wordinfo;
-  CPVT_WordPlace oldplace = pIterator->GetAt();
-  while (pIterator->NextWord()) {
-    CPVT_WordPlace place = pIterator->GetAt();
-    if (pIterator->GetWord(wordinfo))
-      swRet += wordinfo.Word;
-    if (oldplace.nSecIndex != place.nSecIndex)
-      swRet += L"\r\n";
-    oldplace = place;
-  }
-  return swRet;
-}
-
-CFX_WideString CFX_Edit::GetRangeText(const CPVT_WordRange& range) const {
-  CFX_WideString swRet;
-  if (!m_pVT->IsValid())
-    return swRet;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  CPVT_WordRange wrTemp = range;
-  m_pVT->UpdateWordPlace(wrTemp.BeginPos);
-  m_pVT->UpdateWordPlace(wrTemp.EndPos);
-  pIterator->SetAt(wrTemp.BeginPos);
-
-  CPVT_Word wordinfo;
-  CPVT_WordPlace oldplace = wrTemp.BeginPos;
-  while (pIterator->NextWord()) {
-    CPVT_WordPlace place = pIterator->GetAt();
-    if (place > wrTemp.EndPos)
-      break;
-    if (pIterator->GetWord(wordinfo))
-      swRet += wordinfo.Word;
-    if (oldplace.nSecIndex != place.nSecIndex)
-      swRet += L"\r\n";
-    oldplace = place;
-  }
-  return swRet;
-}
-
-CFX_WideString CFX_Edit::GetSelectedText() const {
-  return GetRangeText(m_SelState.ConvertToWordRange());
-}
-
-int32_t CFX_Edit::GetTotalLines() const {
-  int32_t nLines = 1;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  pIterator->SetAt(0);
-  while (pIterator->NextLine())
-    ++nLines;
-
-  return nLines;
-}
-
-CPVT_WordRange CFX_Edit::GetSelectWordRange() const {
-  return m_SelState.ConvertToWordRange();
-}
-
-void CFX_Edit::SetText(const CFX_WideString& sText) {
-  Empty();
-  DoInsertText(CPVT_WordPlace(0, 0, -1), sText, FX_CHARSET_Default);
-  Paint();
-}
-
-bool CFX_Edit::InsertWord(uint16_t word, int32_t charset) {
-  return InsertWord(word, charset, nullptr, true, true);
-}
-
-bool CFX_Edit::InsertReturn() {
-  return InsertReturn(nullptr, nullptr, true, true);
-}
-
-bool CFX_Edit::Backspace() {
-  return Backspace(true, true);
-}
-
-bool CFX_Edit::Delete() {
-  return Delete(true, true);
-}
-
-bool CFX_Edit::ClearSelection() {
-  return Clear(true, true);
-}
-
-bool CFX_Edit::InsertText(const CFX_WideString& sText, int32_t charset) {
-  return InsertText(sText, charset, true, true);
-}
-
-float CFX_Edit::GetFontSize() const {
-  return m_pVT->GetFontSize();
-}
-
-uint16_t CFX_Edit::GetPasswordChar() const {
-  return m_pVT->GetPasswordChar();
-}
-
-int32_t CFX_Edit::GetCharArray() const {
-  return m_pVT->GetCharArray();
-}
-
-CFX_FloatRect CFX_Edit::GetContentRect() const {
-  return VTToEdit(m_pVT->GetContentRect());
-}
-
-int32_t CFX_Edit::GetHorzScale() const {
-  return m_pVT->GetHorzScale();
-}
-
-float CFX_Edit::GetCharSpace() const {
-  return m_pVT->GetCharSpace();
-}
-
-CPVT_WordRange CFX_Edit::GetWholeWordRange() const {
-  if (m_pVT->IsValid())
-    return CPVT_WordRange(m_pVT->GetBeginWordPlace(), m_pVT->GetEndWordPlace());
-
-  return CPVT_WordRange();
-}
-
-CPVT_WordRange CFX_Edit::GetVisibleWordRange() const {
-  if (m_bEnableOverflow)
-    return GetWholeWordRange();
-
-  if (m_pVT->IsValid()) {
-    CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-
-    CPVT_WordPlace place1 =
-        m_pVT->SearchWordPlace(EditToVT(CFX_PointF(rcPlate.left, rcPlate.top)));
-    CPVT_WordPlace place2 = m_pVT->SearchWordPlace(
-        EditToVT(CFX_PointF(rcPlate.right, rcPlate.bottom)));
-
-    return CPVT_WordRange(place1, place2);
-  }
-
-  return CPVT_WordRange();
-}
-
-CPVT_WordPlace CFX_Edit::SearchWordPlace(const CFX_PointF& point) const {
-  if (m_pVT->IsValid()) {
-    return m_pVT->SearchWordPlace(EditToVT(point));
-  }
-
-  return CPVT_WordPlace();
-}
-
-void CFX_Edit::Paint() {
-  if (m_pVT->IsValid()) {
-    RearrangeAll();
-    ScrollToCaret();
-    Refresh();
-    SetCaretOrigin();
-    SetCaretInfo();
-  }
-}
-
-void CFX_Edit::RearrangeAll() {
-  if (m_pVT->IsValid()) {
-    m_pVT->UpdateWordPlace(m_wpCaret);
-    m_pVT->RearrangeAll();
-    m_pVT->UpdateWordPlace(m_wpCaret);
-    SetScrollInfo();
-    SetContentChanged();
-  }
-}
-
-void CFX_Edit::RearrangePart(const CPVT_WordRange& range) {
-  if (m_pVT->IsValid()) {
-    m_pVT->UpdateWordPlace(m_wpCaret);
-    m_pVT->RearrangePart(range);
-    m_pVT->UpdateWordPlace(m_wpCaret);
-    SetScrollInfo();
-    SetContentChanged();
-  }
-}
-
-void CFX_Edit::SetContentChanged() {
-  if (m_pNotify) {
-    CFX_FloatRect rcContent = m_pVT->GetContentRect();
-    if (rcContent.Width() != m_rcOldContent.Width() ||
-        rcContent.Height() != m_rcOldContent.Height()) {
-      m_rcOldContent = rcContent;
-    }
-  }
-}
-
-void CFX_Edit::SelectAll() {
-  if (!m_pVT->IsValid())
-    return;
-  m_SelState = CFX_Edit_Select(GetWholeWordRange());
-  SetCaret(m_SelState.EndPos);
-  ScrollToCaret();
-  Refresh();
-  SetCaretInfo();
-}
-
-void CFX_Edit::SelectNone() {
-  if (!m_pVT->IsValid() || m_SelState.IsEmpty())
-    return;
-
-  m_SelState.Reset();
-  Refresh();
-}
-
-bool CFX_Edit::IsSelected() const {
-  return !m_SelState.IsEmpty();
-}
-
-CFX_PointF CFX_Edit::VTToEdit(const CFX_PointF& point) const {
-  CFX_FloatRect rcContent = m_pVT->GetContentRect();
-  CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-
-  float fPadding = 0.0f;
-
-  switch (m_nAlignment) {
-    case 0:
-      fPadding = 0.0f;
-      break;
-    case 1:
-      fPadding = (rcPlate.Height() - rcContent.Height()) * 0.5f;
-      break;
-    case 2:
-      fPadding = rcPlate.Height() - rcContent.Height();
-      break;
-  }
-
-  return CFX_PointF(point.x - (m_ptScrollPos.x - rcPlate.left),
-                    point.y - (m_ptScrollPos.y + fPadding - rcPlate.top));
-}
-
-CFX_PointF CFX_Edit::EditToVT(const CFX_PointF& point) const {
-  CFX_FloatRect rcContent = m_pVT->GetContentRect();
-  CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-
-  float fPadding = 0.0f;
-
-  switch (m_nAlignment) {
-    case 0:
-      fPadding = 0.0f;
-      break;
-    case 1:
-      fPadding = (rcPlate.Height() - rcContent.Height()) * 0.5f;
-      break;
-    case 2:
-      fPadding = rcPlate.Height() - rcContent.Height();
-      break;
-  }
-
-  return CFX_PointF(point.x + (m_ptScrollPos.x - rcPlate.left),
-                    point.y + (m_ptScrollPos.y + fPadding - rcPlate.top));
-}
-
-CFX_FloatRect CFX_Edit::VTToEdit(const CFX_FloatRect& rect) const {
-  CFX_PointF ptLeftBottom = VTToEdit(CFX_PointF(rect.left, rect.bottom));
-  CFX_PointF ptRightTop = VTToEdit(CFX_PointF(rect.right, rect.top));
-
-  return CFX_FloatRect(ptLeftBottom.x, ptLeftBottom.y, ptRightTop.x,
-                       ptRightTop.y);
-}
-
-void CFX_Edit::SetScrollInfo() {
-  if (!m_pNotify)
-    return;
-
-  CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-  CFX_FloatRect rcContent = m_pVT->GetContentRect();
-  if (m_bNotifyFlag)
-    return;
-
-  CFX_AutoRestorer<bool> restorer(&m_bNotifyFlag);
-  m_bNotifyFlag = true;
-
-  PWL_SCROLL_INFO Info;
-  Info.fPlateWidth = rcPlate.top - rcPlate.bottom;
-  Info.fContentMin = rcContent.bottom;
-  Info.fContentMax = rcContent.top;
-  Info.fSmallStep = rcPlate.Height() / 3;
-  Info.fBigStep = rcPlate.Height();
-  m_pNotify->SetScrollInfo(Info);
-}
-
-void CFX_Edit::SetScrollPosX(float fx) {
-  if (!m_bEnableScroll)
-    return;
-
-  if (m_pVT->IsValid()) {
-    if (!IsFloatEqual(m_ptScrollPos.x, fx)) {
-      m_ptScrollPos.x = fx;
-      Refresh();
-    }
-  }
-}
-
-void CFX_Edit::SetScrollPosY(float fy) {
-  if (!m_bEnableScroll)
-    return;
-
-  if (m_pVT->IsValid()) {
-    if (!IsFloatEqual(m_ptScrollPos.y, fy)) {
-      m_ptScrollPos.y = fy;
-      Refresh();
-
-      if (m_pNotify) {
-        if (!m_bNotifyFlag) {
-          CFX_AutoRestorer<bool> restorer(&m_bNotifyFlag);
-          m_bNotifyFlag = true;
-          m_pNotify->SetScrollPosition(fy);
-        }
-      }
-    }
-  }
-}
-
-void CFX_Edit::SetScrollPos(const CFX_PointF& point) {
-  SetScrollPosX(point.x);
-  SetScrollPosY(point.y);
-  SetScrollLimit();
-  SetCaretInfo();
-}
-
-CFX_PointF CFX_Edit::GetScrollPos() const {
-  return m_ptScrollPos;
-}
-
-void CFX_Edit::SetScrollLimit() {
-  if (m_pVT->IsValid()) {
-    CFX_FloatRect rcContent = m_pVT->GetContentRect();
-    CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-
-    if (rcPlate.Width() > rcContent.Width()) {
-      SetScrollPosX(rcPlate.left);
-    } else {
-      if (IsFloatSmaller(m_ptScrollPos.x, rcContent.left)) {
-        SetScrollPosX(rcContent.left);
-      } else if (IsFloatBigger(m_ptScrollPos.x,
-                               rcContent.right - rcPlate.Width())) {
-        SetScrollPosX(rcContent.right - rcPlate.Width());
-      }
-    }
-
-    if (rcPlate.Height() > rcContent.Height()) {
-      SetScrollPosY(rcPlate.top);
-    } else {
-      if (IsFloatSmaller(m_ptScrollPos.y,
-                         rcContent.bottom + rcPlate.Height())) {
-        SetScrollPosY(rcContent.bottom + rcPlate.Height());
-      } else if (IsFloatBigger(m_ptScrollPos.y, rcContent.top)) {
-        SetScrollPosY(rcContent.top);
-      }
-    }
-  }
-}
-
-void CFX_Edit::ScrollToCaret() {
-  SetScrollLimit();
-
-  if (!m_pVT->IsValid())
-    return;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  pIterator->SetAt(m_wpCaret);
-
-  CFX_PointF ptHead;
-  CFX_PointF ptFoot;
-  CPVT_Word word;
-  CPVT_Line line;
-  if (pIterator->GetWord(word)) {
-    ptHead.x = word.ptWord.x + word.fWidth;
-    ptHead.y = word.ptWord.y + word.fAscent;
-    ptFoot.x = word.ptWord.x + word.fWidth;
-    ptFoot.y = word.ptWord.y + word.fDescent;
-  } else if (pIterator->GetLine(line)) {
-    ptHead.x = line.ptLine.x;
-    ptHead.y = line.ptLine.y + line.fLineAscent;
-    ptFoot.x = line.ptLine.x;
-    ptFoot.y = line.ptLine.y + line.fLineDescent;
-  }
-
-  CFX_PointF ptHeadEdit = VTToEdit(ptHead);
-  CFX_PointF ptFootEdit = VTToEdit(ptFoot);
-  CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-  if (!IsFloatEqual(rcPlate.left, rcPlate.right)) {
-    if (IsFloatSmaller(ptHeadEdit.x, rcPlate.left) ||
-        IsFloatEqual(ptHeadEdit.x, rcPlate.left)) {
-      SetScrollPosX(ptHead.x);
-    } else if (IsFloatBigger(ptHeadEdit.x, rcPlate.right)) {
-      SetScrollPosX(ptHead.x - rcPlate.Width());
-    }
-  }
-
-  if (!IsFloatEqual(rcPlate.top, rcPlate.bottom)) {
-    if (IsFloatSmaller(ptFootEdit.y, rcPlate.bottom) ||
-        IsFloatEqual(ptFootEdit.y, rcPlate.bottom)) {
-      if (IsFloatSmaller(ptHeadEdit.y, rcPlate.top)) {
-        SetScrollPosY(ptFoot.y + rcPlate.Height());
-      }
-    } else if (IsFloatBigger(ptHeadEdit.y, rcPlate.top)) {
-      if (IsFloatBigger(ptFootEdit.y, rcPlate.bottom)) {
-        SetScrollPosY(ptHead.y);
-      }
-    }
-  }
-}
-
-void CFX_Edit::Refresh() {
-  if (m_bEnableRefresh && m_pVT->IsValid()) {
-    m_Refresh.BeginRefresh();
-    RefreshPushLineRects(GetVisibleWordRange());
-
-    m_Refresh.NoAnalyse();
-    m_ptRefreshScrollPos = m_ptScrollPos;
-
-    if (m_pNotify) {
-      if (!m_bNotifyFlag) {
-        CFX_AutoRestorer<bool> restorer(&m_bNotifyFlag);
-        m_bNotifyFlag = true;
-        if (const CFX_Edit_RectArray* pRects = m_Refresh.GetRefreshRects()) {
-          for (int32_t i = 0, sz = pRects->GetSize(); i < sz; i++)
-            m_pNotify->InvalidateRect(pRects->GetAt(i));
-        }
-      }
-    }
-
-    m_Refresh.EndRefresh();
-  }
-}
-
-void CFX_Edit::RefreshPushLineRects(const CPVT_WordRange& wr) {
-  if (!m_pVT->IsValid())
-    return;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  CPVT_WordPlace wpBegin = wr.BeginPos;
-  m_pVT->UpdateWordPlace(wpBegin);
-  CPVT_WordPlace wpEnd = wr.EndPos;
-  m_pVT->UpdateWordPlace(wpEnd);
-  pIterator->SetAt(wpBegin);
-
-  CPVT_Line lineinfo;
-  do {
-    if (!pIterator->GetLine(lineinfo))
-      break;
-    if (lineinfo.lineplace.LineCmp(wpEnd) > 0)
-      break;
-
-    CFX_FloatRect rcLine(lineinfo.ptLine.x,
-                         lineinfo.ptLine.y + lineinfo.fLineDescent,
-                         lineinfo.ptLine.x + lineinfo.fLineWidth,
-                         lineinfo.ptLine.y + lineinfo.fLineAscent);
-
-    m_Refresh.Push(CPVT_WordRange(lineinfo.lineplace, lineinfo.lineEnd),
-                   VTToEdit(rcLine));
-  } while (pIterator->NextLine());
-}
-
-void CFX_Edit::RefreshWordRange(const CPVT_WordRange& wr) {
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  CPVT_WordRange wrTemp = wr;
-
-  m_pVT->UpdateWordPlace(wrTemp.BeginPos);
-  m_pVT->UpdateWordPlace(wrTemp.EndPos);
-  pIterator->SetAt(wrTemp.BeginPos);
-
-  CPVT_Word wordinfo;
-  CPVT_Line lineinfo;
-  CPVT_WordPlace place;
-
-  while (pIterator->NextWord()) {
-    place = pIterator->GetAt();
-    if (place > wrTemp.EndPos)
-      break;
-
-    pIterator->GetWord(wordinfo);
-    pIterator->GetLine(lineinfo);
-    if (place.LineCmp(wrTemp.BeginPos) == 0 ||
-        place.LineCmp(wrTemp.EndPos) == 0) {
-      CFX_FloatRect rcWord(wordinfo.ptWord.x,
-                           lineinfo.ptLine.y + lineinfo.fLineDescent,
-                           wordinfo.ptWord.x + wordinfo.fWidth,
-                           lineinfo.ptLine.y + lineinfo.fLineAscent);
-
-      if (m_pNotify) {
-        if (!m_bNotifyFlag) {
-          CFX_AutoRestorer<bool> restorer(&m_bNotifyFlag);
-          m_bNotifyFlag = true;
-          CFX_FloatRect rcRefresh = VTToEdit(rcWord);
-          m_pNotify->InvalidateRect(&rcRefresh);
-        }
-      }
-    } else {
-      CFX_FloatRect rcLine(lineinfo.ptLine.x,
-                           lineinfo.ptLine.y + lineinfo.fLineDescent,
-                           lineinfo.ptLine.x + lineinfo.fLineWidth,
-                           lineinfo.ptLine.y + lineinfo.fLineAscent);
-
-      if (m_pNotify) {
-        if (!m_bNotifyFlag) {
-          CFX_AutoRestorer<bool> restorer(&m_bNotifyFlag);
-          m_bNotifyFlag = true;
-          CFX_FloatRect rcRefresh = VTToEdit(rcLine);
-          m_pNotify->InvalidateRect(&rcRefresh);
-        }
-      }
-
-      pIterator->NextLine();
-    }
-  }
-}
-
-void CFX_Edit::SetCaret(const CPVT_WordPlace& place) {
-  m_wpOldCaret = m_wpCaret;
-  m_wpCaret = place;
-}
-
-void CFX_Edit::SetCaretInfo() {
-  if (m_pNotify) {
-    if (!m_bNotifyFlag) {
-      CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-      pIterator->SetAt(m_wpCaret);
-
-      CFX_PointF ptHead;
-      CFX_PointF ptFoot;
-      CPVT_Word word;
-      CPVT_Line line;
-      if (pIterator->GetWord(word)) {
-        ptHead.x = word.ptWord.x + word.fWidth;
-        ptHead.y = word.ptWord.y + word.fAscent;
-        ptFoot.x = word.ptWord.x + word.fWidth;
-        ptFoot.y = word.ptWord.y + word.fDescent;
-      } else if (pIterator->GetLine(line)) {
-        ptHead.x = line.ptLine.x;
-        ptHead.y = line.ptLine.y + line.fLineAscent;
-        ptFoot.x = line.ptLine.x;
-        ptFoot.y = line.ptLine.y + line.fLineDescent;
-      }
-
-      CFX_AutoRestorer<bool> restorer(&m_bNotifyFlag);
-      m_bNotifyFlag = true;
-      m_pNotify->SetCaret(m_SelState.IsEmpty(), VTToEdit(ptHead),
-                          VTToEdit(ptFoot));
-    }
-  }
-}
-
-void CFX_Edit::OnMouseDown(const CFX_PointF& point, bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  SelectNone();
-  SetCaret(m_pVT->SearchWordPlace(EditToVT(point)));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  ScrollToCaret();
-  SetCaretOrigin();
-  SetCaretInfo();
-}
-
-void CFX_Edit::OnMouseMove(const CFX_PointF& point, bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  SetCaret(m_pVT->SearchWordPlace(EditToVT(point)));
-  if (m_wpCaret == m_wpOldCaret)
-    return;
-
-  m_SelState.SetEndPos(m_wpCaret);
-  ScrollToCaret();
-  Refresh();
-  SetCaretOrigin();
-  SetCaretInfo();
-}
-
-void CFX_Edit::OnVK_UP(bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  SetCaret(m_pVT->GetUpWordPlace(m_wpCaret, m_ptCaret));
-  if (bShift) {
-    if (m_SelState.IsEmpty())
-      m_SelState.Set(m_wpOldCaret, m_wpCaret);
-    else
-      m_SelState.SetEndPos(m_wpCaret);
-
-    if (m_wpOldCaret != m_wpCaret) {
-      ScrollToCaret();
-      Refresh();
-      SetCaretInfo();
-    }
-  } else {
-    SelectNone();
-    ScrollToCaret();
-    SetCaretInfo();
-  }
-}
-
-void CFX_Edit::OnVK_DOWN(bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  SetCaret(m_pVT->GetDownWordPlace(m_wpCaret, m_ptCaret));
-  if (bShift) {
-    if (m_SelState.IsEmpty())
-      m_SelState.Set(m_wpOldCaret, m_wpCaret);
-    else
-      m_SelState.SetEndPos(m_wpCaret);
-
-    if (m_wpOldCaret != m_wpCaret) {
-      ScrollToCaret();
-      Refresh();
-      SetCaretInfo();
-    }
-  } else {
-    SelectNone();
-    ScrollToCaret();
-    SetCaretInfo();
-  }
-}
-
-void CFX_Edit::OnVK_LEFT(bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  if (bShift) {
-    if (m_wpCaret == m_pVT->GetLineBeginPlace(m_wpCaret) &&
-        m_wpCaret != m_pVT->GetSectionBeginPlace(m_wpCaret)) {
-      SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
-    }
-    SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
-    if (m_SelState.IsEmpty())
-      m_SelState.Set(m_wpOldCaret, m_wpCaret);
-    else
-      m_SelState.SetEndPos(m_wpCaret);
-
-    if (m_wpOldCaret != m_wpCaret) {
-      ScrollToCaret();
-      Refresh();
-      SetCaretInfo();
-    }
-  } else {
-    if (!m_SelState.IsEmpty()) {
-      if (m_SelState.BeginPos < m_SelState.EndPos)
-        SetCaret(m_SelState.BeginPos);
-      else
-        SetCaret(m_SelState.EndPos);
-
-      SelectNone();
-      ScrollToCaret();
-      SetCaretInfo();
-    } else {
-      if (m_wpCaret == m_pVT->GetLineBeginPlace(m_wpCaret) &&
-          m_wpCaret != m_pVT->GetSectionBeginPlace(m_wpCaret)) {
-        SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
-      }
-      SetCaret(m_pVT->GetPrevWordPlace(m_wpCaret));
-      ScrollToCaret();
-      SetCaretOrigin();
-      SetCaretInfo();
-    }
-  }
-}
-
-void CFX_Edit::OnVK_RIGHT(bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  if (bShift) {
-    SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
-    if (m_wpCaret == m_pVT->GetLineEndPlace(m_wpCaret) &&
-        m_wpCaret != m_pVT->GetSectionEndPlace(m_wpCaret))
-      SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
-
-    if (m_SelState.IsEmpty())
-      m_SelState.Set(m_wpOldCaret, m_wpCaret);
-    else
-      m_SelState.SetEndPos(m_wpCaret);
-
-    if (m_wpOldCaret != m_wpCaret) {
-      ScrollToCaret();
-      Refresh();
-      SetCaretInfo();
-    }
-  } else {
-    if (!m_SelState.IsEmpty()) {
-      if (m_SelState.BeginPos > m_SelState.EndPos)
-        SetCaret(m_SelState.BeginPos);
-      else
-        SetCaret(m_SelState.EndPos);
-
-      SelectNone();
-      ScrollToCaret();
-      SetCaretInfo();
-    } else {
-      SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
-      if (m_wpCaret == m_pVT->GetLineEndPlace(m_wpCaret) &&
-          m_wpCaret != m_pVT->GetSectionEndPlace(m_wpCaret)) {
-        SetCaret(m_pVT->GetNextWordPlace(m_wpCaret));
-      }
-      ScrollToCaret();
-      SetCaretOrigin();
-      SetCaretInfo();
-    }
-  }
-}
-
-void CFX_Edit::OnVK_HOME(bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  if (bShift) {
-    if (bCtrl)
-      SetCaret(m_pVT->GetBeginWordPlace());
-    else
-      SetCaret(m_pVT->GetLineBeginPlace(m_wpCaret));
-
-    if (m_SelState.IsEmpty())
-      m_SelState.Set(m_wpOldCaret, m_wpCaret);
-    else
-      m_SelState.SetEndPos(m_wpCaret);
-
-    ScrollToCaret();
-    Refresh();
-    SetCaretInfo();
-  } else {
-    if (!m_SelState.IsEmpty()) {
-      SetCaret(std::min(m_SelState.BeginPos, m_SelState.EndPos));
-      SelectNone();
-      ScrollToCaret();
-      SetCaretInfo();
-    } else {
-      if (bCtrl)
-        SetCaret(m_pVT->GetBeginWordPlace());
-      else
-        SetCaret(m_pVT->GetLineBeginPlace(m_wpCaret));
-
-      ScrollToCaret();
-      SetCaretOrigin();
-      SetCaretInfo();
-    }
-  }
-}
-
-void CFX_Edit::OnVK_END(bool bShift, bool bCtrl) {
-  if (!m_pVT->IsValid())
-    return;
-
-  if (bShift) {
-    if (bCtrl)
-      SetCaret(m_pVT->GetEndWordPlace());
-    else
-      SetCaret(m_pVT->GetLineEndPlace(m_wpCaret));
-
-    if (m_SelState.IsEmpty())
-      m_SelState.Set(m_wpOldCaret, m_wpCaret);
-    else
-      m_SelState.SetEndPos(m_wpCaret);
-
-    ScrollToCaret();
-    Refresh();
-    SetCaretInfo();
-  } else {
-    if (!m_SelState.IsEmpty()) {
-      SetCaret(std::max(m_SelState.BeginPos, m_SelState.EndPos));
-      SelectNone();
-      ScrollToCaret();
-      SetCaretInfo();
-    } else {
-      if (bCtrl)
-        SetCaret(m_pVT->GetEndWordPlace());
-      else
-        SetCaret(m_pVT->GetLineEndPlace(m_wpCaret));
-
-      ScrollToCaret();
-      SetCaretOrigin();
-      SetCaretInfo();
-    }
-  }
-}
-
-bool CFX_Edit::InsertWord(uint16_t word,
-                          int32_t charset,
-                          const CPVT_WordProps* pWordProps,
-                          bool bAddUndo,
-                          bool bPaint) {
-  if (IsTextOverflow() || !m_pVT->IsValid())
-    return false;
-
-  m_pVT->UpdateWordPlace(m_wpCaret);
-  SetCaret(m_pVT->InsertWord(m_wpCaret, word,
-                             GetCharSetFromUnicode(word, charset), pWordProps));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  if (m_wpCaret == m_wpOldCaret)
-    return false;
-
-  if (bAddUndo && m_bEnableUndo) {
-    AddEditUndoItem(pdfium::MakeUnique<CFXEU_InsertWord>(
-        this, m_wpOldCaret, m_wpCaret, word, charset, pWordProps));
-  }
-  if (bPaint)
-    PaintInsertText(m_wpOldCaret, m_wpCaret);
-
-  if (m_bOprNotify && m_pOprNotify)
-    m_pOprNotify->OnInsertWord(m_wpCaret, m_wpOldCaret);
-
-  return true;
-}
-
-bool CFX_Edit::InsertReturn(const CPVT_SecProps* pSecProps,
-                            const CPVT_WordProps* pWordProps,
-                            bool bAddUndo,
-                            bool bPaint) {
-  if (IsTextOverflow() || !m_pVT->IsValid())
-    return false;
-
-  m_pVT->UpdateWordPlace(m_wpCaret);
-  SetCaret(m_pVT->InsertSection(m_wpCaret, pSecProps, pWordProps));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  if (m_wpCaret == m_wpOldCaret)
-    return false;
-
-  if (bAddUndo && m_bEnableUndo) {
-    AddEditUndoItem(pdfium::MakeUnique<CFXEU_InsertReturn>(
-        this, m_wpOldCaret, m_wpCaret, pSecProps, pWordProps));
-  }
-  if (bPaint) {
-    RearrangePart(CPVT_WordRange(m_wpOldCaret, m_wpCaret));
-    ScrollToCaret();
-    Refresh();
-    SetCaretOrigin();
-    SetCaretInfo();
-  }
-  if (m_bOprNotify && m_pOprNotify)
-    m_pOprNotify->OnInsertReturn(m_wpCaret, m_wpOldCaret);
-
-  return true;
-}
-
-bool CFX_Edit::Backspace(bool bAddUndo, bool bPaint) {
-  if (!m_pVT->IsValid() || m_wpCaret == m_pVT->GetBeginWordPlace())
-    return false;
-
-  CPVT_Section section;
-  CPVT_Word word;
-  if (bAddUndo) {
-    CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-    pIterator->SetAt(m_wpCaret);
-    pIterator->GetSection(section);
-    pIterator->GetWord(word);
-  }
-  m_pVT->UpdateWordPlace(m_wpCaret);
-  SetCaret(m_pVT->BackSpaceWord(m_wpCaret));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  if (m_wpCaret == m_wpOldCaret)
-    return false;
-
-  if (bAddUndo && m_bEnableUndo) {
-    if (m_wpCaret.nSecIndex != m_wpOldCaret.nSecIndex) {
-      AddEditUndoItem(pdfium::MakeUnique<CFXEU_Backspace>(
-          this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
-          section.SecProps, section.WordProps));
-    } else {
-      AddEditUndoItem(pdfium::MakeUnique<CFXEU_Backspace>(
-          this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
-          section.SecProps, word.WordProps));
-    }
-  }
-  if (bPaint) {
-    RearrangePart(CPVT_WordRange(m_wpCaret, m_wpOldCaret));
-    ScrollToCaret();
-    Refresh();
-    SetCaretOrigin();
-    SetCaretInfo();
-  }
-  if (m_bOprNotify && m_pOprNotify)
-    m_pOprNotify->OnBackSpace(m_wpCaret, m_wpOldCaret);
-
-  return true;
-}
-
-bool CFX_Edit::Delete(bool bAddUndo, bool bPaint) {
-  if (!m_pVT->IsValid() || m_wpCaret == m_pVT->GetEndWordPlace())
-    return false;
-
-  CPVT_Section section;
-  CPVT_Word word;
-  if (bAddUndo) {
-    CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-    pIterator->SetAt(m_pVT->GetNextWordPlace(m_wpCaret));
-    pIterator->GetSection(section);
-    pIterator->GetWord(word);
-  }
-  m_pVT->UpdateWordPlace(m_wpCaret);
-  bool bSecEnd = (m_wpCaret == m_pVT->GetSectionEndPlace(m_wpCaret));
-  SetCaret(m_pVT->DeleteWord(m_wpCaret));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  if (bAddUndo && m_bEnableUndo) {
-    if (bSecEnd) {
-      AddEditUndoItem(pdfium::MakeUnique<CFXEU_Delete>(
-          this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
-          section.SecProps, section.WordProps, bSecEnd));
-    } else {
-      AddEditUndoItem(pdfium::MakeUnique<CFXEU_Delete>(
-          this, m_wpOldCaret, m_wpCaret, word.Word, word.nCharset,
-          section.SecProps, word.WordProps, bSecEnd));
-    }
-  }
-  if (bPaint) {
-    RearrangePart(CPVT_WordRange(m_wpOldCaret, m_wpCaret));
-    ScrollToCaret();
-    Refresh();
-    SetCaretOrigin();
-    SetCaretInfo();
-  }
-  if (m_bOprNotify && m_pOprNotify)
-    m_pOprNotify->OnDelete(m_wpCaret, m_wpOldCaret);
-
-  return true;
-}
-
-bool CFX_Edit::Empty() {
-  if (m_pVT->IsValid()) {
-    m_pVT->DeleteWords(GetWholeWordRange());
-    SetCaret(m_pVT->GetBeginWordPlace());
-
-    return true;
-  }
-
-  return false;
-}
-
-bool CFX_Edit::Clear(bool bAddUndo, bool bPaint) {
-  if (!m_pVT->IsValid() || m_SelState.IsEmpty())
-    return false;
-
-  CPVT_WordRange range = m_SelState.ConvertToWordRange();
-  if (bAddUndo && m_bEnableUndo) {
-    AddEditUndoItem(
-        pdfium::MakeUnique<CFXEU_Clear>(this, range, GetSelectedText()));
-  }
-
-  SelectNone();
-  SetCaret(m_pVT->DeleteWords(range));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  if (bPaint) {
-    RearrangePart(range);
-    ScrollToCaret();
-    Refresh();
-    SetCaretOrigin();
-    SetCaretInfo();
-  }
-  if (m_bOprNotify && m_pOprNotify)
-    m_pOprNotify->OnClear(m_wpCaret, m_wpOldCaret);
-
-  return true;
-}
-
-bool CFX_Edit::InsertText(const CFX_WideString& sText,
-                          int32_t charset,
-                          bool bAddUndo,
-                          bool bPaint) {
-  if (IsTextOverflow())
-    return false;
-
-  m_pVT->UpdateWordPlace(m_wpCaret);
-  SetCaret(DoInsertText(m_wpCaret, sText, charset));
-  m_SelState.Set(m_wpCaret, m_wpCaret);
-  if (m_wpCaret == m_wpOldCaret)
-    return false;
-
-  if (bAddUndo && m_bEnableUndo) {
-    AddEditUndoItem(pdfium::MakeUnique<CFXEU_InsertText>(
-        this, m_wpOldCaret, m_wpCaret, sText, charset));
-  }
-  if (bPaint)
-    PaintInsertText(m_wpOldCaret, m_wpCaret);
-
-  if (m_bOprNotify && m_pOprNotify)
-    m_pOprNotify->OnInsertText(m_wpCaret, m_wpOldCaret);
-
-  return true;
-}
-
-void CFX_Edit::PaintInsertText(const CPVT_WordPlace& wpOld,
-                               const CPVT_WordPlace& wpNew) {
-  if (m_pVT->IsValid()) {
-    RearrangePart(CPVT_WordRange(wpOld, wpNew));
-    ScrollToCaret();
-    Refresh();
-    SetCaretOrigin();
-    SetCaretInfo();
-  }
-}
-
-bool CFX_Edit::Redo() {
-  if (m_bEnableUndo) {
-    if (m_Undo.CanRedo()) {
-      m_Undo.Redo();
-      return true;
-    }
-  }
-
-  return false;
-}
-
-bool CFX_Edit::Undo() {
-  if (m_bEnableUndo) {
-    if (m_Undo.CanUndo()) {
-      m_Undo.Undo();
-      return true;
-    }
-  }
-
-  return false;
-}
-
-void CFX_Edit::SetCaretOrigin() {
-  if (!m_pVT->IsValid())
-    return;
-
-  CPDF_VariableText::Iterator* pIterator = m_pVT->GetIterator();
-  pIterator->SetAt(m_wpCaret);
-  CPVT_Word word;
-  CPVT_Line line;
-  if (pIterator->GetWord(word)) {
-    m_ptCaret.x = word.ptWord.x + word.fWidth;
-    m_ptCaret.y = word.ptWord.y;
-  } else if (pIterator->GetLine(line)) {
-    m_ptCaret.x = line.ptLine.x;
-    m_ptCaret.y = line.ptLine.y;
-  }
-}
-
-CPVT_WordPlace CFX_Edit::WordIndexToWordPlace(int32_t index) const {
-  if (m_pVT->IsValid())
-    return m_pVT->WordIndexToWordPlace(index);
-
-  return CPVT_WordPlace();
-}
-
-bool CFX_Edit::IsTextFull() const {
-  int32_t nTotalWords = m_pVT->GetTotalWords();
-  int32_t nLimitChar = m_pVT->GetLimitChar();
-  int32_t nCharArray = m_pVT->GetCharArray();
-
-  return IsTextOverflow() || (nLimitChar > 0 && nTotalWords >= nLimitChar) ||
-         (nCharArray > 0 && nTotalWords >= nCharArray);
-}
-
-bool CFX_Edit::IsTextOverflow() const {
-  if (!m_bEnableScroll && !m_bEnableOverflow) {
-    CFX_FloatRect rcPlate = m_pVT->GetPlateRect();
-    CFX_FloatRect rcContent = m_pVT->GetContentRect();
-
-    if (m_pVT->IsMultiLine() && GetTotalLines() > 1 &&
-        IsFloatBigger(rcContent.Height(), rcPlate.Height())) {
-      return true;
-    }
-
-    if (IsFloatBigger(rcContent.Width(), rcPlate.Width()))
-      return true;
-  }
-
-  return false;
-}
-
-bool CFX_Edit::CanUndo() const {
-  if (m_bEnableUndo) {
-    return m_Undo.CanUndo();
-  }
-
-  return false;
-}
-
-bool CFX_Edit::CanRedo() const {
-  if (m_bEnableUndo) {
-    return m_Undo.CanRedo();
-  }
-
-  return false;
-}
-
-void CFX_Edit::EnableRefresh(bool bRefresh) {
-  m_bEnableRefresh = bRefresh;
-}
-
-void CFX_Edit::EnableUndo(bool bUndo) {
-  m_bEnableUndo = bUndo;
-}
-
-void CFX_Edit::EnableOprNotify(bool bNotify) {
-  m_bOprNotify = bNotify;
-}
-
-CPVT_WordPlace CFX_Edit::DoInsertText(const CPVT_WordPlace& place,
-                                      const CFX_WideString& sText,
-                                      int32_t charset) {
-  CPVT_WordPlace wp = place;
-
-  if (m_pVT->IsValid()) {
-    for (int32_t i = 0, sz = sText.GetLength(); i < sz; i++) {
-      uint16_t word = sText[i];
-      switch (word) {
-        case 0x0D:
-          wp = m_pVT->InsertSection(wp, nullptr, nullptr);
-          if (sText[i + 1] == 0x0A)
-            i++;
-          break;
-        case 0x0A:
-          wp = m_pVT->InsertSection(wp, nullptr, nullptr);
-          if (sText[i + 1] == 0x0D)
-            i++;
-          break;
-        case 0x09:
-          word = 0x20;
-        default:
-          wp = m_pVT->InsertWord(wp, word, GetCharSetFromUnicode(word, charset),
-                                 nullptr);
-          break;
-      }
-    }
-  }
-
-  return wp;
-}
-
-int32_t CFX_Edit::GetCharSetFromUnicode(uint16_t word, int32_t nOldCharset) {
-  if (IPVT_FontMap* pFontMap = GetFontMap())
-    return pFontMap->CharSetFromUnicode(word, nOldCharset);
-  return nOldCharset;
-}
-
-void CFX_Edit::AddEditUndoItem(
-    std::unique_ptr<CFX_Edit_UndoItem> pEditUndoItem) {
-  m_Undo.AddItem(std::move(pEditUndoItem));
-}
-
-CFX_ByteString CFX_Edit::GetPDFWordString(int32_t nFontIndex,
-                                          uint16_t Word,
-                                          uint16_t SubWord) {
-  IPVT_FontMap* pFontMap = GetFontMap();
-  CPDF_Font* pPDFFont = pFontMap->GetPDFFont(nFontIndex);
-  if (!pPDFFont)
-    return CFX_ByteString();
-
-  CFX_ByteString sWord;
-  if (SubWord > 0) {
-    Word = SubWord;
-  } else {
-    uint32_t dwCharCode = pPDFFont->IsUnicodeCompatible()
-                              ? pPDFFont->CharCodeFromUnicode(Word)
-                              : pFontMap->CharCodeFromUnicode(nFontIndex, Word);
-    if (dwCharCode > 0) {
-      pPDFFont->AppendChar(&sWord, dwCharCode);
-      return sWord;
-    }
-  }
-  pPDFFont->AppendChar(&sWord, Word);
-  return sWord;
-}
-
-CFX_Edit_LineRectArray::CFX_Edit_LineRectArray() {}
-
-CFX_Edit_LineRectArray::~CFX_Edit_LineRectArray() {}
-
-void CFX_Edit_LineRectArray::operator=(CFX_Edit_LineRectArray&& that) {
-  m_LineRects = std::move(that.m_LineRects);
-}
-
-void CFX_Edit_LineRectArray::Add(const CPVT_WordRange& wrLine,
-                                 const CFX_FloatRect& rcLine) {
-  m_LineRects.push_back(pdfium::MakeUnique<CFX_Edit_LineRect>(wrLine, rcLine));
-}
-
-int32_t CFX_Edit_LineRectArray::GetSize() const {
-  return pdfium::CollectionSize<int32_t>(m_LineRects);
-}
-
-CFX_Edit_LineRect* CFX_Edit_LineRectArray::GetAt(int32_t nIndex) const {
-  if (nIndex < 0 || nIndex >= GetSize())
-    return nullptr;
-
-  return m_LineRects[nIndex].get();
-}
-
-CFX_Edit_Select::CFX_Edit_Select() {}
-
-CFX_Edit_Select::CFX_Edit_Select(const CPVT_WordRange& range) {
-  Set(range.BeginPos, range.EndPos);
-}
-
-CPVT_WordRange CFX_Edit_Select::ConvertToWordRange() const {
-  return CPVT_WordRange(BeginPos, EndPos);
-}
-
-void CFX_Edit_Select::Reset() {
-  BeginPos.Reset();
-  EndPos.Reset();
-}
-
-void CFX_Edit_Select::Set(const CPVT_WordPlace& begin,
-                          const CPVT_WordPlace& end) {
-  BeginPos = begin;
-  EndPos = end;
-}
-
-void CFX_Edit_Select::SetEndPos(const CPVT_WordPlace& end) {
-  EndPos = end;
-}
-
-bool CFX_Edit_Select::IsEmpty() const {
-  return BeginPos == EndPos;
-}
-
-CFX_Edit_RectArray::CFX_Edit_RectArray() {}
-
-CFX_Edit_RectArray::~CFX_Edit_RectArray() {}
-
-void CFX_Edit_RectArray::Clear() {
-  m_Rects.clear();
-}
-
-void CFX_Edit_RectArray::Add(const CFX_FloatRect& rect) {
-  // check for overlapped area
-  for (const auto& pRect : m_Rects) {
-    if (pRect && pRect->Contains(rect))
-      return;
-  }
-  m_Rects.push_back(pdfium::MakeUnique<CFX_FloatRect>(rect));
-}
-
-int32_t CFX_Edit_RectArray::GetSize() const {
-  return pdfium::CollectionSize<int32_t>(m_Rects);
-}
-
-CFX_FloatRect* CFX_Edit_RectArray::GetAt(int32_t nIndex) const {
-  if (nIndex < 0 || nIndex >= GetSize())
-    return nullptr;
-
-  return m_Rects[nIndex].get();
-}