Move fpdfsdk/src up to fpdfsdk/.

This CL moves the files in fpdfsdk/src/ up one level to fpdfsdk/ and fixes
up the include paths, include guards and build files.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1799773002 .

1 files changed, 1190 insertions, 0 deletions

diff --git a/fpdfsdk/pdfwindow/PWL_Edit.cpp b/fpdfsdk/pdfwindow/PWL_Edit.cpp
new file mode 100644
index 0000000000..c4a5bf03fd
--- /dev/null
+++ b/fpdfsdk/pdfwindow/PWL_Edit.cpp
@@ -0,0 +1,1190 @@
+// 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/include/pdfwindow/PWL_Edit.h"
+
+#include <vector>
+
+#include "core/include/fxcrt/fx_safe_types.h"
+#include "core/include/fxcrt/fx_xml.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Caret.h"
+#include "fpdfsdk/include/pdfwindow/PWL_EditCtrl.h"
+#include "fpdfsdk/include/pdfwindow/PWL_FontMap.h"
+#include "fpdfsdk/include/pdfwindow/PWL_ScrollBar.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Utils.h"
+#include "fpdfsdk/include/pdfwindow/PWL_Wnd.h"
+#include "public/fpdf_fwlevent.h"
+#include "third_party/base/stl_util.h"
+
+CPWL_Edit::CPWL_Edit()
+    : m_pFillerNotify(NULL), m_pSpellCheck(NULL), m_bFocus(FALSE) {
+  m_pFormFiller = NULL;
+}
+
+CPWL_Edit::~CPWL_Edit() {
+  ASSERT(m_bFocus == FALSE);
+}
+
+CFX_ByteString CPWL_Edit::GetClassName() const {
+  return PWL_CLASSNAME_EDIT;
+}
+
+void CPWL_Edit::OnDestroy() {}
+
+void CPWL_Edit::SetText(const FX_WCHAR* csText) {
+  CFX_WideString swText = csText;
+
+  if (HasFlag(PES_RICH)) {
+    CFX_ByteString sValue = CFX_ByteString::FromUnicode(swText);
+
+    if (CXML_Element* pXML =
+            CXML_Element::Parse(sValue.c_str(), sValue.GetLength())) {
+      int32_t nCount = pXML->CountChildren();
+      FX_BOOL bFirst = TRUE;
+
+      swText.Empty();
+
+      for (int32_t i = 0; i < nCount; i++) {
+        if (CXML_Element* pSubElement = pXML->GetElement(i)) {
+          CFX_ByteString tag = pSubElement->GetTagName();
+          if (tag.EqualNoCase("p")) {
+            int nChild = pSubElement->CountChildren();
+            CFX_WideString swSection;
+            for (int32_t j = 0; j < nChild; j++) {
+              swSection += pSubElement->GetContent(j);
+            }
+
+            if (bFirst)
+              bFirst = FALSE;
+            else
+              swText += FWL_VKEY_Return;
+            swText += swSection;
+          }
+        }
+      }
+
+      delete pXML;
+    }
+  }
+
+  m_pEdit->SetText(swText.c_str());
+}
+
+void CPWL_Edit::RePosChildWnd() {
+  if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
+    CFX_FloatRect rcWindow = m_rcOldWindow;
+    CFX_FloatRect rcVScroll =
+        CFX_FloatRect(rcWindow.right, rcWindow.bottom,
+                      rcWindow.right + PWL_SCROLLBAR_WIDTH, rcWindow.top);
+    pVSB->Move(rcVScroll, TRUE, FALSE);
+  }
+
+  if (m_pEditCaret && !HasFlag(PES_TEXTOVERFLOW))
+    m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(
+        GetClientRect(), 1.0f));  // +1 for caret beside border
+
+  CPWL_EditCtrl::RePosChildWnd();
+}
+
+CFX_FloatRect CPWL_Edit::GetClientRect() const {
+  CFX_FloatRect rcClient = CPWL_Utils::DeflateRect(
+      GetWindowRect(), (FX_FLOAT)(GetBorderWidth() + GetInnerBorderWidth()));
+
+  if (CPWL_ScrollBar* pVSB = GetVScrollBar()) {
+    if (pVSB->IsVisible()) {
+      rcClient.right -= PWL_SCROLLBAR_WIDTH;
+    }
+  }
+
+  return rcClient;
+}
+
+void CPWL_Edit::SetAlignFormatH(PWL_EDIT_ALIGNFORMAT_H nFormat,
+                                FX_BOOL bPaint) {
+  m_pEdit->SetAlignmentH((int32_t)nFormat, bPaint);
+}
+
+void CPWL_Edit::SetAlignFormatV(PWL_EDIT_ALIGNFORMAT_V nFormat,
+                                FX_BOOL bPaint) {
+  m_pEdit->SetAlignmentV((int32_t)nFormat, bPaint);
+}
+
+FX_BOOL CPWL_Edit::CanSelectAll() const {
+  return GetSelectWordRange() != m_pEdit->GetWholeWordRange();
+}
+
+FX_BOOL CPWL_Edit::CanClear() const {
+  return !IsReadOnly() && m_pEdit->IsSelected();
+}
+
+FX_BOOL CPWL_Edit::CanCopy() const {
+  return !HasFlag(PES_PASSWORD) && !HasFlag(PES_NOREAD) &&
+         m_pEdit->IsSelected();
+}
+
+FX_BOOL CPWL_Edit::CanCut() const {
+  return CanCopy() && !IsReadOnly();
+}
+
+FX_BOOL CPWL_Edit::CanPaste() const {
+  if (IsReadOnly())
+    return FALSE;
+
+  CFX_WideString swClipboard;
+  if (IFX_SystemHandler* pSH = GetSystemHandler())
+    swClipboard = pSH->GetClipboardText(GetAttachedHWnd());
+
+  return !swClipboard.IsEmpty();
+}
+
+void CPWL_Edit::CopyText() {
+  if (!CanCopy())
+    return;
+
+  CFX_WideString str = m_pEdit->GetSelText();
+
+  if (IFX_SystemHandler* pSH = GetSystemHandler())
+    pSH->SetClipboardText(GetAttachedHWnd(), str);
+}
+
+void CPWL_Edit::PasteText() {
+  if (!CanPaste())
+    return;
+
+  CFX_WideString swClipboard;
+  if (IFX_SystemHandler* pSH = GetSystemHandler())
+    swClipboard = pSH->GetClipboardText(GetAttachedHWnd());
+
+  if (m_pFillerNotify) {
+    FX_BOOL bRC = TRUE;
+    FX_BOOL bExit = FALSE;
+    CFX_WideString strChangeEx;
+    int nSelStart = 0;
+    int nSelEnd = 0;
+    GetSel(nSelStart, nSelEnd);
+    m_pFillerNotify->OnBeforeKeyStroke(GetAttachedData(), swClipboard,
+                                       strChangeEx, nSelStart, nSelEnd, TRUE,
+                                       bRC, bExit, 0);
+    if (!bRC)
+      return;
+    if (bExit)
+      return;
+  }
+
+  if (swClipboard.GetLength() > 0) {
+    Clear();
+    InsertText(swClipboard.c_str());
+  }
+}
+
+void CPWL_Edit::CutText() {
+  if (!CanCut())
+    return;
+
+  CFX_WideString str = m_pEdit->GetSelText();
+
+  if (IFX_SystemHandler* pSH = GetSystemHandler())
+    pSH->SetClipboardText(GetAttachedHWnd(), str);
+
+  m_pEdit->Clear();
+}
+
+void CPWL_Edit::OnCreated() {
+  CPWL_EditCtrl::OnCreated();
+
+  if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
+    pScroll->RemoveFlag(PWS_AUTOTRANSPARENT);
+    pScroll->SetTransparency(255);
+  }
+
+  SetParamByFlag();
+
+  m_rcOldWindow = GetWindowRect();
+
+  m_pEdit->SetOprNotify(this);
+  m_pEdit->EnableOprNotify(TRUE);
+}
+
+void CPWL_Edit::SetParamByFlag() {
+  if (HasFlag(PES_RIGHT)) {
+    m_pEdit->SetAlignmentH(2, FALSE);
+  } else if (HasFlag(PES_MIDDLE)) {
+    m_pEdit->SetAlignmentH(1, FALSE);
+  } else {
+    m_pEdit->SetAlignmentH(0, FALSE);
+  }
+
+  if (HasFlag(PES_BOTTOM)) {
+    m_pEdit->SetAlignmentV(2, FALSE);
+  } else if (HasFlag(PES_CENTER)) {
+    m_pEdit->SetAlignmentV(1, FALSE);
+  } else {
+    m_pEdit->SetAlignmentV(0, FALSE);
+  }
+
+  if (HasFlag(PES_PASSWORD)) {
+    m_pEdit->SetPasswordChar('*', FALSE);
+  }
+
+  m_pEdit->SetMultiLine(HasFlag(PES_MULTILINE), FALSE);
+  m_pEdit->SetAutoReturn(HasFlag(PES_AUTORETURN), FALSE);
+  m_pEdit->SetAutoFontSize(HasFlag(PWS_AUTOFONTSIZE), FALSE);
+  m_pEdit->SetAutoScroll(HasFlag(PES_AUTOSCROLL), FALSE);
+  m_pEdit->EnableUndo(HasFlag(PES_UNDO));
+
+  if (HasFlag(PES_TEXTOVERFLOW)) {
+    SetClipRect(CFX_FloatRect(0.0f, 0.0f, 0.0f, 0.0f));
+    m_pEdit->SetTextOverflow(TRUE, FALSE);
+  } else {
+    if (m_pEditCaret) {
+      m_pEditCaret->SetClipRect(CPWL_Utils::InflateRect(
+          GetClientRect(), 1.0f));  // +1 for caret beside border
+    }
+  }
+
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pSpellCheck = GetCreationParam().pSpellCheck;
+  }
+}
+
+void CPWL_Edit::GetThisAppearanceStream(CFX_ByteTextBuf& sAppStream) {
+  CPWL_Wnd::GetThisAppearanceStream(sAppStream);
+
+  CFX_FloatRect rcClient = GetClientRect();
+  CFX_ByteTextBuf sLine;
+
+  int32_t nCharArray = m_pEdit->GetCharArray();
+
+  if (nCharArray > 0) {
+    switch (GetBorderStyle()) {
+      case PBS_SOLID: {
+        sLine << "q\n" << GetBorderWidth() << " w\n"
+              << CPWL_Utils::GetColorAppStream(GetBorderColor(), FALSE)
+              << " 2 J 0 j\n";
+
+        for (int32_t i = 1; i < nCharArray; i++) {
+          sLine << rcClient.left +
+                       ((rcClient.right - rcClient.left) / nCharArray) * i
+                << " " << rcClient.bottom << " m\n"
+                << rcClient.left +
+                       ((rcClient.right - rcClient.left) / nCharArray) * i
+                << " " << rcClient.top << " l S\n";
+        }
+
+        sLine << "Q\n";
+      } break;
+      case PBS_DASH: {
+        sLine << "q\n" << GetBorderWidth() << " w\n"
+              << CPWL_Utils::GetColorAppStream(GetBorderColor(), FALSE)
+              << " 2 J 0 j\n"
+              << "[" << GetBorderDash().nDash << " " << GetBorderDash().nGap
+              << "] " << GetBorderDash().nPhase << " d\n";
+
+        for (int32_t i = 1; i < nCharArray; i++) {
+          sLine << rcClient.left +
+                       ((rcClient.right - rcClient.left) / nCharArray) * i
+                << " " << rcClient.bottom << " m\n"
+                << rcClient.left +
+                       ((rcClient.right - rcClient.left) / nCharArray) * i
+                << " " << rcClient.top << " l S\n";
+        }
+
+        sLine << "Q\n";
+      } break;
+    }
+  }
+
+  sAppStream << sLine;
+
+  CFX_ByteTextBuf sText;
+
+  CFX_FloatPoint ptOffset = CFX_FloatPoint(0.0f, 0.0f);
+
+  CPVT_WordRange wrWhole = m_pEdit->GetWholeWordRange();
+  CPVT_WordRange wrSelect = GetSelectWordRange();
+  CPVT_WordRange wrVisible =
+      (HasFlag(PES_TEXTOVERFLOW) ? wrWhole : m_pEdit->GetVisibleWordRange());
+  CPVT_WordRange wrSelBefore(wrWhole.BeginPos, wrSelect.BeginPos);
+  CPVT_WordRange wrSelAfter(wrSelect.EndPos, wrWhole.EndPos);
+
+  CPVT_WordRange wrTemp =
+      CPWL_Utils::OverlapWordRange(GetSelectWordRange(), wrVisible);
+  CFX_ByteString sEditSel =
+      CPWL_Utils::GetEditSelAppStream(m_pEdit, ptOffset, &wrTemp);
+
+  if (sEditSel.GetLength() > 0)
+    sText << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELBACKCOLOR)
+          << sEditSel;
+
+  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelBefore);
+  CFX_ByteString sEditBefore = CPWL_Utils::GetEditAppStream(
+      m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
+      m_pEdit->GetPasswordChar());
+
+  if (sEditBefore.GetLength() > 0)
+    sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor())
+          << sEditBefore << "ET\n";
+
+  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelect);
+  CFX_ByteString sEditMid = CPWL_Utils::GetEditAppStream(
+      m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
+      m_pEdit->GetPasswordChar());
+
+  if (sEditMid.GetLength() > 0)
+    sText << "BT\n"
+          << CPWL_Utils::GetColorAppStream(CPWL_Color(COLORTYPE_GRAY, 1))
+          << sEditMid << "ET\n";
+
+  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelAfter);
+  CFX_ByteString sEditAfter = CPWL_Utils::GetEditAppStream(
+      m_pEdit, ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
+      m_pEdit->GetPasswordChar());
+
+  if (sEditAfter.GetLength() > 0)
+    sText << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor())
+          << sEditAfter << "ET\n";
+
+  if (HasFlag(PES_SPELLCHECK)) {
+    CFX_ByteString sSpellCheck = CPWL_Utils::GetSpellCheckAppStream(
+        m_pEdit, m_pSpellCheck, ptOffset, &wrVisible);
+    if (sSpellCheck.GetLength() > 0)
+      sText << CPWL_Utils::GetColorAppStream(CPWL_Color(COLORTYPE_RGB, 1, 0, 0),
+                                             FALSE)
+            << sSpellCheck;
+  }
+
+  if (sText.GetLength() > 0) {
+    CFX_FloatRect rcClient = GetClientRect();
+    sAppStream << "q\n/Tx BMC\n";
+
+    if (!HasFlag(PES_TEXTOVERFLOW))
+      sAppStream << rcClient.left << " " << rcClient.bottom << " "
+                 << rcClient.right - rcClient.left << " "
+                 << rcClient.top - rcClient.bottom << " re W n\n";
+
+    sAppStream << sText;
+
+    sAppStream << "EMC\nQ\n";
+  }
+}
+
+void CPWL_Edit::DrawThisAppearance(CFX_RenderDevice* pDevice,
+                                   CFX_Matrix* pUser2Device) {
+  CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
+
+  CFX_FloatRect rcClient = GetClientRect();
+  CFX_ByteTextBuf sLine;
+
+  int32_t nCharArray = m_pEdit->GetCharArray();
+  FX_SAFE_INT32 nCharArraySafe = nCharArray;
+  nCharArraySafe -= 1;
+  nCharArraySafe *= 2;
+
+  if (nCharArray > 0 && nCharArraySafe.IsValid()) {
+    switch (GetBorderStyle()) {
+      case PBS_SOLID: {
+        CFX_GraphStateData gsd;
+        gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();
+
+        CFX_PathData path;
+        path.SetPointCount(nCharArraySafe.ValueOrDie());
+
+        for (int32_t i = 0; i < nCharArray - 1; i++) {
+          path.SetPoint(
+              i * 2,
+              rcClient.left +
+                  ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+              rcClient.bottom, FXPT_MOVETO);
+          path.SetPoint(
+              i * 2 + 1,
+              rcClient.left +
+                  ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+              rcClient.top, FXPT_LINETO);
+        }
+        if (path.GetPointCount() > 0)
+          pDevice->DrawPath(
+              &path, pUser2Device, &gsd, 0,
+              CPWL_Utils::PWLColorToFXColor(GetBorderColor(), 255),
+              FXFILL_ALTERNATE);
+      } break;
+      case PBS_DASH: {
+        CFX_GraphStateData gsd;
+        gsd.m_LineWidth = (FX_FLOAT)GetBorderWidth();
+
+        gsd.SetDashCount(2);
+        gsd.m_DashArray[0] = (FX_FLOAT)GetBorderDash().nDash;
+        gsd.m_DashArray[1] = (FX_FLOAT)GetBorderDash().nGap;
+        gsd.m_DashPhase = (FX_FLOAT)GetBorderDash().nPhase;
+
+        CFX_PathData path;
+        path.SetPointCount(nCharArraySafe.ValueOrDie());
+
+        for (int32_t i = 0; i < nCharArray - 1; i++) {
+          path.SetPoint(
+              i * 2,
+              rcClient.left +
+                  ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+              rcClient.bottom, FXPT_MOVETO);
+          path.SetPoint(
+              i * 2 + 1,
+              rcClient.left +
+                  ((rcClient.right - rcClient.left) / nCharArray) * (i + 1),
+              rcClient.top, FXPT_LINETO);
+        }
+        if (path.GetPointCount() > 0)
+          pDevice->DrawPath(
+              &path, pUser2Device, &gsd, 0,
+              CPWL_Utils::PWLColorToFXColor(GetBorderColor(), 255),
+              FXFILL_ALTERNATE);
+      } break;
+    }
+  }
+
+  CFX_FloatRect rcClip;
+  CPVT_WordRange wrRange = m_pEdit->GetVisibleWordRange();
+  CPVT_WordRange* pRange = NULL;
+
+  if (!HasFlag(PES_TEXTOVERFLOW)) {
+    rcClip = GetClientRect();
+    pRange = &wrRange;
+  }
+  IFX_SystemHandler* pSysHandler = GetSystemHandler();
+  IFX_Edit::DrawEdit(
+      pDevice, pUser2Device, m_pEdit,
+      CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
+      CPWL_Utils::PWLColorToFXColor(GetTextStrokeColor(), GetTransparency()),
+      rcClip, CFX_FloatPoint(0.0f, 0.0f), pRange, pSysHandler, m_pFormFiller);
+
+  if (HasFlag(PES_SPELLCHECK)) {
+    CPWL_Utils::DrawEditSpellCheck(pDevice, pUser2Device, m_pEdit, rcClip,
+                                   CFX_FloatPoint(0.0f, 0.0f), pRange,
+                                   GetCreationParam().pSpellCheck);
+  }
+}
+
+FX_BOOL CPWL_Edit::OnLButtonDown(const CFX_FloatPoint& point, FX_DWORD nFlag) {
+  CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+  if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point)) {
+    if (m_bMouseDown)
+      InvalidateRect();
+
+    m_bMouseDown = TRUE;
+    SetCapture();
+
+    m_pEdit->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+  }
+
+  return TRUE;
+}
+
+FX_BOOL CPWL_Edit::OnLButtonDblClk(const CFX_FloatPoint& point,
+                                   FX_DWORD nFlag) {
+  CPWL_Wnd::OnLButtonDblClk(point, nFlag);
+
+  if (HasFlag(PES_TEXTOVERFLOW) || ClientHitTest(point)) {
+    m_pEdit->SelectAll();
+  }
+
+  return TRUE;
+}
+
+#define WM_PWLEDIT_UNDO 0x01
+#define WM_PWLEDIT_REDO 0x02
+#define WM_PWLEDIT_CUT 0x03
+#define WM_PWLEDIT_COPY 0x04
+#define WM_PWLEDIT_PASTE 0x05
+#define WM_PWLEDIT_DELETE 0x06
+#define WM_PWLEDIT_SELECTALL 0x07
+#define WM_PWLEDIT_SUGGEST 0x08
+
+FX_BOOL CPWL_Edit::OnRButtonUp(const CFX_FloatPoint& point, FX_DWORD nFlag) {
+  if (m_bMouseDown)
+    return FALSE;
+
+  CPWL_Wnd::OnRButtonUp(point, nFlag);
+
+  if (!HasFlag(PES_TEXTOVERFLOW) && !ClientHitTest(point))
+    return TRUE;
+
+  IFX_SystemHandler* pSH = GetSystemHandler();
+  if (!pSH)
+    return FALSE;
+
+  SetFocus();
+
+  CPVT_WordRange wrLatin = GetLatinWordsRange(point);
+  CFX_WideString swLatin = m_pEdit->GetRangeText(wrLatin);
+
+  FX_HMENU hPopup = pSH->CreatePopupMenu();
+  if (!hPopup)
+    return FALSE;
+
+  std::vector<CFX_ByteString> sSuggestWords;
+  CFX_FloatPoint ptPopup = point;
+
+  if (!IsReadOnly()) {
+    if (HasFlag(PES_SPELLCHECK) && !swLatin.IsEmpty()) {
+      if (m_pSpellCheck) {
+        CFX_ByteString sLatin = CFX_ByteString::FromUnicode(swLatin);
+        if (!m_pSpellCheck->CheckWord(sLatin)) {
+          m_pSpellCheck->SuggestWords(sLatin, sSuggestWords);
+
+          int32_t nSuggest = pdfium::CollectionSize<int32_t>(sSuggestWords);
+          for (int32_t nWord = 0; nWord < nSuggest; nWord++) {
+            pSH->AppendMenuItem(hPopup, WM_PWLEDIT_SUGGEST + nWord,
+                                sSuggestWords[nWord].UTF8Decode());
+          }
+          if (nSuggest > 0)
+            pSH->AppendMenuItem(hPopup, 0, L"");
+
+          ptPopup = GetWordRightBottomPoint(wrLatin.EndPos);
+        }
+      }
+    }
+  }
+
+  IPWL_Provider* pProvider = GetProvider();
+
+  if (HasFlag(PES_UNDO)) {
+    pSH->AppendMenuItem(
+        hPopup, WM_PWLEDIT_UNDO,
+        pProvider ? pProvider->LoadPopupMenuString(0) : L"&Undo");
+    pSH->AppendMenuItem(
+        hPopup, WM_PWLEDIT_REDO,
+        pProvider ? pProvider->LoadPopupMenuString(1) : L"&Redo");
+    pSH->AppendMenuItem(hPopup, 0, L"");
+
+    if (!m_pEdit->CanUndo())
+      pSH->EnableMenuItem(hPopup, WM_PWLEDIT_UNDO, FALSE);
+    if (!m_pEdit->CanRedo())
+      pSH->EnableMenuItem(hPopup, WM_PWLEDIT_REDO, FALSE);
+  }
+
+  pSH->AppendMenuItem(hPopup, WM_PWLEDIT_CUT,
+                      pProvider ? pProvider->LoadPopupMenuString(2) : L"Cu&t");
+  pSH->AppendMenuItem(hPopup, WM_PWLEDIT_COPY,
+                      pProvider ? pProvider->LoadPopupMenuString(3) : L"&Copy");
+  pSH->AppendMenuItem(
+      hPopup, WM_PWLEDIT_PASTE,
+      pProvider ? pProvider->LoadPopupMenuString(4) : L"&Paste");
+  pSH->AppendMenuItem(
+      hPopup, WM_PWLEDIT_DELETE,
+      pProvider ? pProvider->LoadPopupMenuString(5) : L"&Delete");
+
+  CFX_WideString swText = pSH->GetClipboardText(GetAttachedHWnd());
+  if (swText.IsEmpty())
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_PASTE, FALSE);
+
+  if (!m_pEdit->IsSelected()) {
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_COPY, FALSE);
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_DELETE, FALSE);
+  }
+
+  if (IsReadOnly()) {
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_DELETE, FALSE);
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_PASTE, FALSE);
+  }
+
+  if (HasFlag(PES_PASSWORD)) {
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_COPY, FALSE);
+  }
+
+  if (HasFlag(PES_NOREAD)) {
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_CUT, FALSE);
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_COPY, FALSE);
+  }
+
+  pSH->AppendMenuItem(hPopup, 0, L"");
+  pSH->AppendMenuItem(
+      hPopup, WM_PWLEDIT_SELECTALL,
+      pProvider ? pProvider->LoadPopupMenuString(6) : L"&Select All");
+
+  if (m_pEdit->GetTotalWords() == 0) {
+    pSH->EnableMenuItem(hPopup, WM_PWLEDIT_SELECTALL, FALSE);
+  }
+
+  int32_t x, y;
+  PWLtoWnd(ptPopup, x, y);
+  pSH->ClientToScreen(GetAttachedHWnd(), x, y);
+  pSH->SetCursor(FXCT_ARROW);
+  int32_t nCmd = pSH->TrackPopupMenu(hPopup, x, y, GetAttachedHWnd());
+
+  switch (nCmd) {
+    case WM_PWLEDIT_UNDO:
+      Undo();
+      break;
+    case WM_PWLEDIT_REDO:
+      Redo();
+      break;
+    case WM_PWLEDIT_CUT:
+      CutText();
+      break;
+    case WM_PWLEDIT_COPY:
+      CopyText();
+      break;
+    case WM_PWLEDIT_PASTE:
+      PasteText();
+      break;
+    case WM_PWLEDIT_DELETE:
+      Clear();
+      break;
+    case WM_PWLEDIT_SELECTALL:
+      SelectAll();
+      break;
+    case WM_PWLEDIT_SUGGEST + 0:
+      SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),
+             m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
+      ReplaceSel(sSuggestWords[0].UTF8Decode().c_str());
+      break;
+    case WM_PWLEDIT_SUGGEST + 1:
+      SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),
+             m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
+      ReplaceSel(sSuggestWords[1].UTF8Decode().c_str());
+      break;
+    case WM_PWLEDIT_SUGGEST + 2:
+      SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),
+             m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
+      ReplaceSel(sSuggestWords[2].UTF8Decode().c_str());
+      break;
+    case WM_PWLEDIT_SUGGEST + 3:
+      SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),
+             m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
+      ReplaceSel(sSuggestWords[3].UTF8Decode().c_str());
+      break;
+    case WM_PWLEDIT_SUGGEST + 4:
+      SetSel(m_pEdit->WordPlaceToWordIndex(wrLatin.BeginPos),
+             m_pEdit->WordPlaceToWordIndex(wrLatin.EndPos));
+      ReplaceSel(sSuggestWords[4].UTF8Decode().c_str());
+      break;
+    default:
+      break;
+  }
+
+  pSH->DestroyMenu(hPopup);
+
+  return TRUE;
+}
+
+void CPWL_Edit::OnSetFocus() {
+  SetEditCaret(TRUE);
+
+  if (!IsReadOnly()) {
+    if (IPWL_FocusHandler* pFocusHandler = GetFocusHandler())
+      pFocusHandler->OnSetFocus(this);
+  }
+
+  m_bFocus = TRUE;
+}
+
+void CPWL_Edit::OnKillFocus() {
+  ShowVScrollBar(FALSE);
+
+  m_pEdit->SelectNone();
+  SetCaret(FALSE, CFX_FloatPoint(0.0f, 0.0f), CFX_FloatPoint(0.0f, 0.0f));
+
+  SetCharSet(0);
+
+  if (!IsReadOnly()) {
+    if (IPWL_FocusHandler* pFocusHandler = GetFocusHandler())
+      pFocusHandler->OnKillFocus(this);
+  }
+
+  m_bFocus = FALSE;
+}
+
+void CPWL_Edit::SetHorzScale(int32_t nHorzScale, FX_BOOL bPaint /* = TRUE*/) {
+  m_pEdit->SetHorzScale(nHorzScale, bPaint);
+}
+
+void CPWL_Edit::SetCharSpace(FX_FLOAT fCharSpace, FX_BOOL bPaint /* = TRUE*/) {
+  m_pEdit->SetCharSpace(fCharSpace, bPaint);
+}
+
+void CPWL_Edit::SetLineLeading(FX_FLOAT fLineLeading,
+                               FX_BOOL bPaint /* = TRUE*/) {
+  m_pEdit->SetLineLeading(fLineLeading, bPaint);
+}
+
+CFX_ByteString CPWL_Edit::GetSelectAppearanceStream(
+    const CFX_FloatPoint& ptOffset) const {
+  CPVT_WordRange wr = GetSelectWordRange();
+  return CPWL_Utils::GetEditSelAppStream(m_pEdit, ptOffset, &wr);
+}
+
+CPVT_WordRange CPWL_Edit::GetSelectWordRange() const {
+  if (m_pEdit->IsSelected()) {
+    int32_t nStart = -1;
+    int32_t nEnd = -1;
+
+    m_pEdit->GetSel(nStart, nEnd);
+
+    CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStart);
+    CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEnd);
+
+    return CPVT_WordRange(wpStart, wpEnd);
+  }
+
+  return CPVT_WordRange();
+}
+
+CFX_ByteString CPWL_Edit::GetTextAppearanceStream(
+    const CFX_FloatPoint& ptOffset) const {
+  CFX_ByteTextBuf sRet;
+  CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit, ptOffset);
+
+  if (sEdit.GetLength() > 0) {
+    sRet << "BT\n" << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEdit
+         << "ET\n";
+  }
+
+  return sRet.GetByteString();
+}
+
+CFX_ByteString CPWL_Edit::GetCaretAppearanceStream(
+    const CFX_FloatPoint& ptOffset) const {
+  if (m_pEditCaret)
+    return m_pEditCaret->GetCaretAppearanceStream(ptOffset);
+
+  return CFX_ByteString();
+}
+
+CFX_FloatPoint CPWL_Edit::GetWordRightBottomPoint(
+    const CPVT_WordPlace& wpWord) {
+  CFX_FloatPoint pt(0.0f, 0.0f);
+
+  if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+    CPVT_WordPlace wpOld = pIterator->GetAt();
+    pIterator->SetAt(wpWord);
+    CPVT_Word word;
+    if (pIterator->GetWord(word)) {
+      pt = CFX_FloatPoint(word.ptWord.x + word.fWidth,
+                          word.ptWord.y + word.fDescent);
+    }
+
+    pIterator->SetAt(wpOld);
+  }
+
+  return pt;
+}
+
+FX_BOOL CPWL_Edit::IsTextFull() const {
+  return m_pEdit->IsTextFull();
+}
+
+FX_FLOAT CPWL_Edit::GetCharArrayAutoFontSize(CPDF_Font* pFont,
+                                             const CFX_FloatRect& rcPlate,
+                                             int32_t nCharArray) {
+  if (pFont && !pFont->IsStandardFont()) {
+    FX_RECT rcBBox;
+    pFont->GetFontBBox(rcBBox);
+
+    CFX_FloatRect rcCell = rcPlate;
+    FX_FLOAT xdiv = rcCell.Width() / nCharArray * 1000.0f / rcBBox.Width();
+    FX_FLOAT ydiv = -rcCell.Height() * 1000.0f / rcBBox.Height();
+
+    return xdiv < ydiv ? xdiv : ydiv;
+  }
+
+  return 0.0f;
+}
+
+void CPWL_Edit::SetCharArray(int32_t nCharArray) {
+  if (HasFlag(PES_CHARARRAY) && nCharArray > 0) {
+    m_pEdit->SetCharArray(nCharArray);
+    m_pEdit->SetTextOverflow(TRUE);
+
+    if (HasFlag(PWS_AUTOFONTSIZE)) {
+      if (IFX_Edit_FontMap* pFontMap = GetFontMap()) {
+        FX_FLOAT fFontSize = GetCharArrayAutoFontSize(
+            pFontMap->GetPDFFont(0), GetClientRect(), nCharArray);
+        if (fFontSize > 0.0f) {
+          m_pEdit->SetAutoFontSize(FALSE);
+          m_pEdit->SetFontSize(fFontSize);
+        }
+      }
+    }
+  }
+}
+
+void CPWL_Edit::SetLimitChar(int32_t nLimitChar) {
+  m_pEdit->SetLimitChar(nLimitChar);
+}
+
+void CPWL_Edit::ReplaceSel(const FX_WCHAR* csText) {
+  m_pEdit->Clear();
+  m_pEdit->InsertText(csText);
+}
+
+CFX_FloatRect CPWL_Edit::GetFocusRect() const {
+  return CFX_FloatRect();
+}
+
+void CPWL_Edit::ShowVScrollBar(FX_BOOL bShow) {
+  if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
+    if (bShow) {
+      if (!pScroll->IsVisible()) {
+        pScroll->SetVisible(TRUE);
+        CFX_FloatRect rcWindow = GetWindowRect();
+        m_rcOldWindow = rcWindow;
+        rcWindow.right += PWL_SCROLLBAR_WIDTH;
+        Move(rcWindow, TRUE, TRUE);
+      }
+    } else {
+      if (pScroll->IsVisible()) {
+        pScroll->SetVisible(FALSE);
+        Move(m_rcOldWindow, TRUE, TRUE);
+      }
+    }
+  }
+}
+
+FX_BOOL CPWL_Edit::IsVScrollBarVisible() const {
+  if (CPWL_ScrollBar* pScroll = GetVScrollBar()) {
+    return pScroll->IsVisible();
+  }
+
+  return FALSE;
+}
+
+void CPWL_Edit::EnableSpellCheck(FX_BOOL bEnabled) {
+  if (bEnabled)
+    AddFlag(PES_SPELLCHECK);
+  else
+    RemoveFlag(PES_SPELLCHECK);
+}
+
+FX_BOOL CPWL_Edit::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) {
+  if (m_bMouseDown)
+    return TRUE;
+
+  if (nChar == FWL_VKEY_Delete) {
+    if (m_pFillerNotify) {
+      FX_BOOL bRC = TRUE;
+      FX_BOOL bExit = FALSE;
+      CFX_WideString strChange;
+      CFX_WideString strChangeEx;
+
+      int nSelStart = 0;
+      int nSelEnd = 0;
+      GetSel(nSelStart, nSelEnd);
+
+      if (nSelStart == nSelEnd)
+        nSelEnd = nSelStart + 1;
+      m_pFillerNotify->OnBeforeKeyStroke(GetAttachedData(), strChange,
+                                         strChangeEx, nSelStart, nSelEnd, TRUE,
+                                         bRC, bExit, nFlag);
+      if (!bRC)
+        return FALSE;
+      if (bExit)
+        return FALSE;
+    }
+  }
+
+  FX_BOOL bRet = CPWL_EditCtrl::OnKeyDown(nChar, nFlag);
+
+  // In case of implementation swallow the OnKeyDown event.
+  if (IsProceedtoOnChar(nChar, nFlag))
+    return TRUE;
+
+  return bRet;
+}
+
+/**
+*In case of implementation swallow the OnKeyDown event.
+*If the event is swallowed, implementation may do other unexpected things, which
+*is not the control means to do.
+*/
+FX_BOOL CPWL_Edit::IsProceedtoOnChar(FX_WORD nKeyCode, FX_DWORD nFlag) {
+  FX_BOOL bCtrl = IsCTRLpressed(nFlag);
+  FX_BOOL bAlt = IsALTpressed(nFlag);
+  if (bCtrl && !bAlt) {
+    // hot keys for edit control.
+    switch (nKeyCode) {
+      case 'C':
+      case 'V':
+      case 'X':
+      case 'A':
+      case 'Z':
+        return TRUE;
+      default:
+        break;
+    }
+  }
+  // control characters.
+  switch (nKeyCode) {
+    case FWL_VKEY_Escape:
+    case FWL_VKEY_Back:
+    case FWL_VKEY_Return:
+    case FWL_VKEY_Space:
+      return TRUE;
+    default:
+      return FALSE;
+  }
+}
+
+FX_BOOL CPWL_Edit::OnChar(FX_WORD nChar, FX_DWORD nFlag) {
+  if (m_bMouseDown)
+    return TRUE;
+
+  FX_BOOL bRC = TRUE;
+  FX_BOOL bExit = FALSE;
+
+  if (!IsCTRLpressed(nFlag)) {
+    if (m_pFillerNotify) {
+      CFX_WideString swChange;
+
+      int nSelStart = 0;
+      int nSelEnd = 0;
+      GetSel(nSelStart, nSelEnd);
+
+      switch (nChar) {
+        case FWL_VKEY_Back:
+          if (nSelStart == nSelEnd)
+            nSelStart = nSelEnd - 1;
+          break;
+        case FWL_VKEY_Return:
+          break;
+        default:
+          swChange += nChar;
+          break;
+      }
+
+      CFX_WideString strChangeEx;
+      m_pFillerNotify->OnBeforeKeyStroke(GetAttachedData(), swChange,
+                                         strChangeEx, nSelStart, nSelEnd, TRUE,
+                                         bRC, bExit, nFlag);
+    }
+  }
+
+  if (!bRC)
+    return TRUE;
+  if (bExit)
+    return FALSE;
+
+  if (IFX_Edit_FontMap* pFontMap = GetFontMap()) {
+    int32_t nOldCharSet = GetCharSet();
+    int32_t nNewCharSet = pFontMap->CharSetFromUnicode(nChar, DEFAULT_CHARSET);
+    if (nOldCharSet != nNewCharSet) {
+      SetCharSet(nNewCharSet);
+    }
+  }
+
+  return CPWL_EditCtrl::OnChar(nChar, nFlag);
+}
+
+FX_BOOL CPWL_Edit::OnMouseWheel(short zDelta,
+                                const CFX_FloatPoint& point,
+                                FX_DWORD nFlag) {
+  if (HasFlag(PES_MULTILINE)) {
+    CFX_FloatPoint ptScroll = GetScrollPos();
+
+    if (zDelta > 0) {
+      ptScroll.y += GetFontSize();
+    } else {
+      ptScroll.y -= GetFontSize();
+    }
+    SetScrollPos(ptScroll);
+
+    return TRUE;
+  }
+
+  return FALSE;
+}
+
+void CPWL_Edit::OnInsertReturn(const CPVT_WordPlace& place,
+                               const CPVT_WordPlace& oldplace) {
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+                                               GetLatinWordsRange(place)));
+  }
+
+  if (m_pEditNotify) {
+    m_pEditNotify->OnInsertReturn(place, oldplace);
+  }
+}
+
+void CPWL_Edit::OnBackSpace(const CPVT_WordPlace& place,
+                            const CPVT_WordPlace& oldplace) {
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+                                               GetLatinWordsRange(place)));
+  }
+
+  if (m_pEditNotify) {
+    m_pEditNotify->OnBackSpace(place, oldplace);
+  }
+}
+
+void CPWL_Edit::OnDelete(const CPVT_WordPlace& place,
+                         const CPVT_WordPlace& oldplace) {
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+                                               GetLatinWordsRange(place)));
+  }
+
+  if (m_pEditNotify) {
+    m_pEditNotify->OnDelete(place, oldplace);
+  }
+}
+
+void CPWL_Edit::OnClear(const CPVT_WordPlace& place,
+                        const CPVT_WordPlace& oldplace) {
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+                                               GetLatinWordsRange(place)));
+  }
+
+  if (m_pEditNotify) {
+    m_pEditNotify->OnClear(place, oldplace);
+  }
+}
+
+void CPWL_Edit::OnInsertWord(const CPVT_WordPlace& place,
+                             const CPVT_WordPlace& oldplace) {
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+                                               GetLatinWordsRange(place)));
+  }
+
+  if (m_pEditNotify) {
+    m_pEditNotify->OnInsertWord(place, oldplace);
+  }
+}
+
+void CPWL_Edit::OnSetText(const CPVT_WordPlace& place,
+                          const CPVT_WordPlace& oldplace) {}
+
+void CPWL_Edit::OnInsertText(const CPVT_WordPlace& place,
+                             const CPVT_WordPlace& oldplace) {
+  if (HasFlag(PES_SPELLCHECK)) {
+    m_pEdit->RefreshWordRange(CombineWordRange(GetLatinWordsRange(oldplace),
+                                               GetLatinWordsRange(place)));
+  }
+
+  if (m_pEditNotify) {
+    m_pEditNotify->OnInsertText(place, oldplace);
+  }
+}
+
+void CPWL_Edit::OnAddUndo(IFX_Edit_UndoItem* pUndoItem) {
+  if (m_pEditNotify) {
+    m_pEditNotify->OnAddUndo(this);
+  }
+}
+
+CPVT_WordRange CPWL_Edit::CombineWordRange(const CPVT_WordRange& wr1,
+                                           const CPVT_WordRange& wr2) {
+  CPVT_WordRange wrRet;
+
+  if (wr1.BeginPos.WordCmp(wr2.BeginPos) < 0) {
+    wrRet.BeginPos = wr1.BeginPos;
+  } else {
+    wrRet.BeginPos = wr2.BeginPos;
+  }
+
+  if (wr1.EndPos.WordCmp(wr2.EndPos) < 0) {
+    wrRet.EndPos = wr2.EndPos;
+  } else {
+    wrRet.EndPos = wr1.EndPos;
+  }
+
+  return wrRet;
+}
+
+CPVT_WordRange CPWL_Edit::GetLatinWordsRange(
+    const CFX_FloatPoint& point) const {
+  return GetSameWordsRange(m_pEdit->SearchWordPlace(point), TRUE, FALSE);
+}
+
+CPVT_WordRange CPWL_Edit::GetLatinWordsRange(
+    const CPVT_WordPlace& place) const {
+  return GetSameWordsRange(place, TRUE, FALSE);
+}
+
+CPVT_WordRange CPWL_Edit::GetArabicWordsRange(
+    const CPVT_WordPlace& place) const {
+  return GetSameWordsRange(place, FALSE, TRUE);
+}
+
+#define PWL_ISARABICWORD(word) \
+  ((word >= 0x0600 && word <= 0x06FF) || (word >= 0xFB50 && word <= 0xFEFC))
+
+CPVT_WordRange CPWL_Edit::GetSameWordsRange(const CPVT_WordPlace& place,
+                                            FX_BOOL bLatin,
+                                            FX_BOOL bArabic) const {
+  CPVT_WordRange range;
+
+  if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+    CPVT_Word wordinfo;
+    CPVT_WordPlace wpStart(place), wpEnd(place);
+    pIterator->SetAt(place);
+
+    if (bLatin) {
+      while (pIterator->NextWord()) {
+        if (!pIterator->GetWord(wordinfo) ||
+            !FX_EDIT_ISLATINWORD(wordinfo.Word)) {
+          break;
+        }
+
+        wpEnd = pIterator->GetAt();
+      }
+    } else if (bArabic) {
+      while (pIterator->NextWord()) {
+        if (!pIterator->GetWord(wordinfo) || !PWL_ISARABICWORD(wordinfo.Word))
+          break;
+
+        wpEnd = pIterator->GetAt();
+      }
+    }
+
+    pIterator->SetAt(place);
+
+    if (bLatin) {
+      do {
+        if (!pIterator->GetWord(wordinfo) ||
+            !FX_EDIT_ISLATINWORD(wordinfo.Word)) {
+          break;
+        }
+
+        wpStart = pIterator->GetAt();
+      } while (pIterator->PrevWord());
+    } else if (bArabic) {
+      do {
+        if (!pIterator->GetWord(wordinfo) || !PWL_ISARABICWORD(wordinfo.Word))
+          break;
+
+        wpStart = pIterator->GetAt();
+      } while (pIterator->PrevWord());
+    }
+
+    range.Set(wpStart, wpEnd);
+  }
+
+  return range;
+}
+
+void CPWL_Edit::GeneratePageObjects(
+    CPDF_PageObjectHolder* pObjectHolder,
+    const CFX_FloatPoint& ptOffset,
+    CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray) {
+  IFX_Edit::GeneratePageObjects(
+      pObjectHolder, m_pEdit, ptOffset, NULL,
+      CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
+      ObjArray);
+}
+
+void CPWL_Edit::GeneratePageObjects(CPDF_PageObjectHolder* pObjectHolder,
+                                    const CFX_FloatPoint& ptOffset) {
+  CFX_ArrayTemplate<CPDF_TextObject*> ObjArray;
+  IFX_Edit::GeneratePageObjects(
+      pObjectHolder, m_pEdit, ptOffset, NULL,
+      CPWL_Utils::PWLColorToFXColor(GetTextColor(), GetTransparency()),
+      ObjArray);
+}