clang-format all pdfium code.

fpdfsdk/src/pdfwindow/PWL_EditCtrl.cpp

 // 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 "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_EditCtrl.h"
 #include "../../include/pdfwindow/PWL_ScrollBar.h"
 #include "../../include/pdfwindow/PWL_Utils.h"
 #include "../../include/pdfwindow/PWL_Caret.h"
 #include "../../include/pdfwindow/PWL_FontMap.h"
 
-#define IsFloatZero(f)                      ((f) < 0.0001 && (f) > -0.0001)
-#define IsFloatBigger(fa,fb)                ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
-#define IsFloatSmaller(fa,fb)               ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
-#define IsFloatEqual(fa,fb)                 IsFloatZero((fa)-(fb))
+#define IsFloatZero(f) ((f) < 0.0001 && (f) > -0.0001)
+#define IsFloatBigger(fa, fb) ((fa) > (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatSmaller(fa, fb) ((fa) < (fb) && !IsFloatZero((fa) - (fb)))
+#define IsFloatEqual(fa, fb) IsFloatZero((fa) - (fb))
 
 /* ---------------------------- CPWL_EditCtrl ------------------------------ */
 
-CPWL_EditCtrl::CPWL_EditCtrl() :
-    m_pEdit(NULL),
-    m_pEditCaret(NULL),
-    m_bMouseDown(FALSE),
-    m_pEditNotify(NULL),
-    m_nCharSet(DEFAULT_CHARSET),
-    m_nCodePage(0)
-{
-    m_pEdit = IFX_Edit::NewEdit();
-    ASSERT(m_pEdit != NULL);
+CPWL_EditCtrl::CPWL_EditCtrl()
+    : m_pEdit(NULL),
+      m_pEditCaret(NULL),
+      m_bMouseDown(FALSE),
+      m_pEditNotify(NULL),
+      m_nCharSet(DEFAULT_CHARSET),
+      m_nCodePage(0) {
+  m_pEdit = IFX_Edit::NewEdit();
+  ASSERT(m_pEdit != NULL);
 }
 
-CPWL_EditCtrl::~CPWL_EditCtrl()
-{
-    IFX_Edit::DelEdit(m_pEdit);
+CPWL_EditCtrl::~CPWL_EditCtrl() {
+  IFX_Edit::DelEdit(m_pEdit);
 }
 
-void CPWL_EditCtrl::OnCreate(PWL_CREATEPARAM& cp)
-{
-    cp.eCursorType = FXCT_VBEAM;
+void CPWL_EditCtrl::OnCreate(PWL_CREATEPARAM& cp) {
+  cp.eCursorType = FXCT_VBEAM;
 }
 
-void CPWL_EditCtrl::OnCreated()
-{
-    SetFontSize(GetCreationParam().fFontSize);
+void CPWL_EditCtrl::OnCreated() {
+  SetFontSize(GetCreationParam().fFontSize);
 
-    m_pEdit->SetFontMap(GetFontMap());
-    m_pEdit->SetNotify(this);
-    m_pEdit->Initialize();
+  m_pEdit->SetFontMap(GetFontMap());
+  m_pEdit->SetNotify(this);
+  m_pEdit->Initialize();
 }
 
-FX_BOOL CPWL_EditCtrl::IsWndHorV()
-{
-    CPDF_Matrix mt = GetWindowMatrix();
-    CPDF_Point point1(0,1);
-    CPDF_Point point2(1,1);
+FX_BOOL CPWL_EditCtrl::IsWndHorV() {
+  CPDF_Matrix mt = GetWindowMatrix();
+  CPDF_Point point1(0, 1);
+  CPDF_Point point2(1, 1);
 
-    mt.Transform(point1.x, point1.y);
-    mt.Transform(point2.x, point2.y);
+  mt.Transform(point1.x, point1.y);
+  mt.Transform(point2.x, point2.y);
 
-    return point2.y == point1.y;
+  return point2.y == point1.y;
 }
 
-void CPWL_EditCtrl::SetCursor()
-{
-    if (IsValid())
-    {
-        if (IFX_SystemHandler* pSH = GetSystemHandler())
-        {
-            if (IsWndHorV())
-                pSH->SetCursor(FXCT_VBEAM);
-            else
-                pSH->SetCursor(FXCT_HBEAM);
-        }
+void CPWL_EditCtrl::SetCursor() {
+  if (IsValid()) {
+    if (IFX_SystemHandler* pSH = GetSystemHandler()) {
+      if (IsWndHorV())
+        pSH->SetCursor(FXCT_VBEAM);
+      else
+        pSH->SetCursor(FXCT_HBEAM);
     }
+  }
 }
 
-void CPWL_EditCtrl::RePosChildWnd()
-{
-    m_pEdit->SetPlateRect(GetClientRect());
+void CPWL_EditCtrl::RePosChildWnd() {
+  m_pEdit->SetPlateRect(GetClientRect());
 }
 
-void CPWL_EditCtrl::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, intptr_t wParam, intptr_t lParam)
-{
-    CPWL_Wnd::OnNotify(pWnd,msg,wParam,lParam);
+void CPWL_EditCtrl::OnNotify(CPWL_Wnd* pWnd,
+                             FX_DWORD msg,
+                             intptr_t wParam,
+                             intptr_t lParam) {
+  CPWL_Wnd::OnNotify(pWnd, msg, wParam, lParam);
 
-    switch (msg)
-    {
-        case PNM_SETSCROLLINFO:
-            switch (wParam)
-            {
-                case SBT_VSCROLL:
-                    if (CPWL_Wnd * pChild = GetVScrollBar())
-                    {
-                        pChild->OnNotify(pWnd,PNM_SETSCROLLINFO,wParam,lParam);
-                    }
-                    break;
-            }
-            break;
-        case PNM_SETSCROLLPOS:
-            switch (wParam)
-            {
-                case SBT_VSCROLL:
-                    if (CPWL_Wnd * pChild = GetVScrollBar())
-                    {
-                        pChild->OnNotify(pWnd,PNM_SETSCROLLPOS,wParam,lParam);
-                    }
-                    break;
-            }
-            break;
-        case PNM_SCROLLWINDOW:
-            {
-                FX_FLOAT fPos = *(FX_FLOAT*)lParam;
-                switch (wParam)
-                {
-                    case SBT_VSCROLL:
-                        m_pEdit->SetScrollPos(CPDF_Point(m_pEdit->GetScrollPos().x,fPos));
-                        break;
-                }
-            }
-            break;
-        case PNM_SETCARETINFO:
-            {
-                if (PWL_CARET_INFO * pCaretInfo = (PWL_CARET_INFO *)wParam)
-                {
-                    SetCaret(pCaretInfo->bVisible,
-                        pCaretInfo->ptHead,
-                        pCaretInfo->ptFoot);
-                }
-            }
-            break;
-    }
+  switch (msg) {
+    case PNM_SETSCROLLINFO:
+      switch (wParam) {
+        case SBT_VSCROLL:
+          if (CPWL_Wnd* pChild = GetVScrollBar()) {
+            pChild->OnNotify(pWnd, PNM_SETSCROLLINFO, wParam, lParam);
+          }
+          break;
+      }
+      break;
+    case PNM_SETSCROLLPOS:
+      switch (wParam) {
+        case SBT_VSCROLL:
+          if (CPWL_Wnd* pChild = GetVScrollBar()) {
+            pChild->OnNotify(pWnd, PNM_SETSCROLLPOS, wParam, lParam);
+          }
+          break;
+      }
+      break;
+    case PNM_SCROLLWINDOW: {
+      FX_FLOAT fPos = *(FX_FLOAT*)lParam;
+      switch (wParam) {
+        case SBT_VSCROLL:
+          m_pEdit->SetScrollPos(CPDF_Point(m_pEdit->GetScrollPos().x, fPos));
+          break;
+      }
+    } break;
+    case PNM_SETCARETINFO: {
+      if (PWL_CARET_INFO* pCaretInfo = (PWL_CARET_INFO*)wParam) {
+        SetCaret(pCaretInfo->bVisible, pCaretInfo->ptHead, pCaretInfo->ptFoot);
+      }
+    } break;
+  }
 }
 
-void CPWL_EditCtrl::CreateChildWnd(const PWL_CREATEPARAM & cp)
-{
-    if (!IsReadOnly())
-        CreateEditCaret(cp);
+void CPWL_EditCtrl::CreateChildWnd(const PWL_CREATEPARAM& cp) {
+  if (!IsReadOnly())
+    CreateEditCaret(cp);
 }
 
-void CPWL_EditCtrl::CreateEditCaret(const PWL_CREATEPARAM & cp)
-{
-    if (!m_pEditCaret)
-    {
-        m_pEditCaret = new CPWL_Caret;
-        m_pEditCaret->SetInvalidRect(GetClientRect());
+void CPWL_EditCtrl::CreateEditCaret(const PWL_CREATEPARAM& cp) {
+  if (!m_pEditCaret) {
+    m_pEditCaret = new CPWL_Caret;
+    m_pEditCaret->SetInvalidRect(GetClientRect());
 
-        PWL_CREATEPARAM ecp = cp;
-        ecp.pParentWnd = this;
-        ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
-        ecp.dwBorderWidth = 0;
-        ecp.nBorderStyle = PBS_SOLID;
-        ecp.rcRectWnd = CPDF_Rect(0,0,0,0);
+    PWL_CREATEPARAM ecp = cp;
+    ecp.pParentWnd = this;
+    ecp.dwFlags = PWS_CHILD | PWS_NOREFRESHCLIP;
+    ecp.dwBorderWidth = 0;
+    ecp.nBorderStyle = PBS_SOLID;
+    ecp.rcRectWnd = CPDF_Rect(0, 0, 0, 0);
 
-        m_pEditCaret->Create(ecp);
-    }
+    m_pEditCaret->Create(ecp);
+  }
 }
 
-void CPWL_EditCtrl::SetFontSize(FX_FLOAT fFontSize)
-{
-    m_pEdit->SetFontSize(fFontSize);
+void CPWL_EditCtrl::SetFontSize(FX_FLOAT fFontSize) {
+  m_pEdit->SetFontSize(fFontSize);
 }
 
-FX_FLOAT CPWL_EditCtrl::GetFontSize() const
-{
-    return m_pEdit->GetFontSize();
+FX_FLOAT CPWL_EditCtrl::GetFontSize() const {
+  return m_pEdit->GetFontSize();
 }
 
-FX_BOOL CPWL_EditCtrl::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag)
-{
-    if (m_bMouseDown) return TRUE;
+FX_BOOL CPWL_EditCtrl::OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) {
+  if (m_bMouseDown)
+    return TRUE;
 
-    FX_BOOL bRet = CPWL_Wnd::OnKeyDown(nChar,nFlag);
+  FX_BOOL bRet = CPWL_Wnd::OnKeyDown(nChar, nFlag);
 
-    //FILTER
-    switch (nChar)
-    {
+  // FILTER
+  switch (nChar) {
     default:
-        return FALSE;
+      return FALSE;
     case FWL_VKEY_Delete:
     case FWL_VKEY_Up:
     case FWL_VKEY_Down:
     case FWL_VKEY_Left:
     case FWL_VKEY_Right:
     case FWL_VKEY_Home:
     case FWL_VKEY_End:
     case FWL_VKEY_Insert:
     case 'C':
     case 'V':
     case 'X':
     case 'A':
     case 'Z':
     case 'c':
     case 'v':
     case 'x':
     case 'a':
     case 'z':
-        break;
+      break;
+  }
+
+  if (nChar == FWL_VKEY_Delete) {
+    if (m_pEdit->IsSelected())
+      nChar = FWL_VKEY_Unknown;
+  }
+
+  switch (nChar) {
+    case FWL_VKEY_Delete:
+      Delete();
+      return TRUE;
+    case FWL_VKEY_Insert:
+      if (IsSHIFTpressed(nFlag))
+        PasteText();
+      return TRUE;
+    case FWL_VKEY_Up:
+      m_pEdit->OnVK_UP(IsSHIFTpressed(nFlag), FALSE);
+      return TRUE;
+    case FWL_VKEY_Down:
+      m_pEdit->OnVK_DOWN(IsSHIFTpressed(nFlag), FALSE);
+      return TRUE;
+    case FWL_VKEY_Left:
+      m_pEdit->OnVK_LEFT(IsSHIFTpressed(nFlag), FALSE);
+      return TRUE;
+    case FWL_VKEY_Right:
+      m_pEdit->OnVK_RIGHT(IsSHIFTpressed(nFlag), FALSE);
+      return TRUE;
+    case FWL_VKEY_Home:
+      m_pEdit->OnVK_HOME(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+      return TRUE;
+    case FWL_VKEY_End:
+      m_pEdit->OnVK_END(IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+      return TRUE;
+    case FWL_VKEY_Unknown:
+      if (!IsSHIFTpressed(nFlag))
+        Clear();
+      else
+        CutText();
+      return TRUE;
+    default:
+      break;
+  }
+
+  return bRet;
+}
+
+FX_BOOL CPWL_EditCtrl::OnChar(FX_WORD nChar, FX_DWORD nFlag) {
+  if (m_bMouseDown)
+    return TRUE;
+
+  CPWL_Wnd::OnChar(nChar, nFlag);
+
+  // FILTER
+  switch (nChar) {
+    case 0x0A:
+    case 0x1B:
+      return FALSE;
+    default:
+      break;
+  }
+
+  FX_BOOL bCtrl = IsCTRLpressed(nFlag);
+  FX_BOOL bAlt = IsALTpressed(nFlag);
+  FX_BOOL bShift = IsSHIFTpressed(nFlag);
+
+  FX_WORD word = nChar;
+
+  if (bCtrl && !bAlt) {
+    switch (nChar) {
+      case 'C' - 'A' + 1:
+        CopyText();
+        return TRUE;
+      case 'V' - 'A' + 1:
+        PasteText();
+        return TRUE;
+      case 'X' - 'A' + 1:
+        CutText();
+        return TRUE;
+      case 'A' - 'A' + 1:
+        SelectAll();
+        return TRUE;
+      case 'Z' - 'A' + 1:
+        if (bShift)
+          Redo();
+        else
+          Undo();
+        return TRUE;
+      default:
+        if (nChar < 32)
+          return FALSE;
     }
-
-    if (nChar == FWL_VKEY_Delete)
-    {
-        if (m_pEdit->IsSelected())
-            nChar = FWL_VKEY_Unknown;
+  }
+
+  if (IsReadOnly())
+    return TRUE;
+
+  if (m_pEdit->IsSelected() && word == FWL_VKEY_Back)
+    word = FWL_VKEY_Unknown;
+
+  Clear();
+
+  switch (word) {
+    case FWL_VKEY_Back:
+      Backspace();
+      break;
+    case FWL_VKEY_Return:
+      InsertReturn();
+      break;
+    case FWL_VKEY_Unknown:
+      break;
+    default:
+      if (IsINSERTpressed(nFlag))
+        Delete();
+      InsertWord(word, GetCharSet());
+      break;
+  }
+
+  return TRUE;
+}
+
+FX_BOOL CPWL_EditCtrl::OnLButtonDown(const CPDF_Point& point, FX_DWORD nFlag) {
+  CPWL_Wnd::OnLButtonDown(point, nFlag);
+
+  if (ClientHitTest(point)) {
+    if (m_bMouseDown)
+      InvalidateRect();
+
+    m_bMouseDown = TRUE;
+    SetCapture();
+
+    m_pEdit->OnMouseDown(point, IsSHIFTpressed(nFlag), IsCTRLpressed(nFlag));
+  }
+
+  return TRUE;
+}
+
+FX_BOOL CPWL_EditCtrl::OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag) {
+  CPWL_Wnd::OnLButtonUp(point, nFlag);
+
+  if (m_bMouseDown) {
+    // can receive keybord message
+    if (ClientHitTest(point) && !IsFocused())
+      SetFocus();
+
+    ReleaseCapture();
+    m_bMouseDown = FALSE;
+  }
+
+  return TRUE;
+}
+
+FX_BOOL CPWL_EditCtrl::OnMouseMove(const CPDF_Point& point, FX_DWORD nFlag) {
+  CPWL_Wnd::OnMouseMove(point, nFlag);
+
+  if (m_bMouseDown)
+    m_pEdit->OnMouseMove(point, FALSE, FALSE);
+
+  return TRUE;
+}
+
+CPDF_Rect CPWL_EditCtrl::GetContentRect() const {
+  return m_pEdit->GetContentRect();
+}
+
+void CPWL_EditCtrl::SetEditCaret(FX_BOOL bVisible) {
+  CPDF_Point ptHead(0, 0), ptFoot(0, 0);
+
+  if (bVisible) {
+    GetCaretInfo(ptHead, ptFoot);
+  }
+
+  CPVT_WordPlace wpTemp = m_pEdit->GetCaretWordPlace();
+  IOnSetCaret(bVisible, ptHead, ptFoot, wpTemp);
+}
+
+void CPWL_EditCtrl::GetCaretInfo(CPDF_Point& ptHead, CPDF_Point& ptFoot) const {
+  if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+    pIterator->SetAt(m_pEdit->GetCaret());
+    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;
     }
-
-    switch (nChar)
-    {
-        case FWL_VKEY_Delete:
-            Delete();
-            return TRUE;
-        case FWL_VKEY_Insert:
-            if (IsSHIFTpressed(nFlag))
-                PasteText();
-            return TRUE;
-        case FWL_VKEY_Up:
-            m_pEdit->OnVK_UP(IsSHIFTpressed(nFlag),FALSE);
-            return TRUE;
-        case FWL_VKEY_Down:
-            m_pEdit->OnVK_DOWN(IsSHIFTpressed(nFlag),FALSE);
-            return TRUE;
-        case FWL_VKEY_Left:
-            m_pEdit->OnVK_LEFT(IsSHIFTpressed(nFlag),FALSE);
-            return TRUE;
-        case FWL_VKEY_Right:
-            m_pEdit->OnVK_RIGHT(IsSHIFTpressed(nFlag),FALSE);
-            return TRUE;
-        case FWL_VKEY_Home:
-            m_pEdit->OnVK_HOME(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
-            return TRUE;
-        case FWL_VKEY_End:
-            m_pEdit->OnVK_END(IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
-            return TRUE;
-        case FWL_VKEY_Unknown:
-            if (!IsSHIFTpressed(nFlag))
-                Clear();
-            else
-                CutText();
-            return TRUE;
-        default:
-            break;
+  }
+}
+
+void CPWL_EditCtrl::GetCaretPos(int32_t& x, int32_t& y) const {
+  CPDF_Point ptHead(0, 0), ptFoot(0, 0);
+
+  GetCaretInfo(ptHead, ptFoot);
+
+  PWLtoWnd(ptHead, x, y);
+}
+
+void CPWL_EditCtrl::SetCaret(FX_BOOL bVisible,
+                             const CPDF_Point& ptHead,
+                             const CPDF_Point& ptFoot) {
+  if (m_pEditCaret) {
+    if (!IsFocused() || m_pEdit->IsSelected())
+      bVisible = FALSE;
+
+    m_pEditCaret->SetCaret(bVisible, ptHead, ptFoot);
+  }
+}
+
+FX_BOOL CPWL_EditCtrl::IsModified() const {
+  return m_pEdit->IsModified();
+}
+
+CFX_WideString CPWL_EditCtrl::GetText() const {
+  return m_pEdit->GetText();
+}
+
+void CPWL_EditCtrl::SetSel(int32_t nStartChar, int32_t nEndChar) {
+  m_pEdit->SetSel(nStartChar, nEndChar);
+}
+
+void CPWL_EditCtrl::GetSel(int32_t& nStartChar, int32_t& nEndChar) const {
+  m_pEdit->GetSel(nStartChar, nEndChar);
+}
+
+void CPWL_EditCtrl::Clear() {
+  if (!IsReadOnly())
+    m_pEdit->Clear();
+}
+
+void CPWL_EditCtrl::SelectAll() {
+  m_pEdit->SelectAll();
+}
+
+void CPWL_EditCtrl::Paint() {
+  if (m_pEdit)
+    m_pEdit->Paint();
+}
+
+void CPWL_EditCtrl::EnableRefresh(FX_BOOL bRefresh) {
+  if (m_pEdit)
+    m_pEdit->EnableRefresh(bRefresh);
+}
+
+int32_t CPWL_EditCtrl::GetCaret() const {
+  if (m_pEdit)
+    return m_pEdit->GetCaret();
+
+  return -1;
+}
+
+void CPWL_EditCtrl::SetCaret(int32_t nPos) {
+  if (m_pEdit)
+    m_pEdit->SetCaret(nPos);
+}
+
+int32_t CPWL_EditCtrl::GetTotalWords() const {
+  if (m_pEdit)
+    return m_pEdit->GetTotalWords();
+
+  return 0;
+}
+
+void CPWL_EditCtrl::SetScrollPos(const CPDF_Point& point) {
+  if (m_pEdit)
+    m_pEdit->SetScrollPos(point);
+}
+
+CPDF_Point CPWL_EditCtrl::GetScrollPos() const {
+  if (m_pEdit)
+    return m_pEdit->GetScrollPos();
+
+  return CPDF_Point(0.0f, 0.0f);
+}
+
+CPDF_Font* CPWL_EditCtrl::GetCaretFont() const {
+  int32_t nFontIndex = 0;
+
+  if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+    pIterator->SetAt(m_pEdit->GetCaret());
+    CPVT_Word word;
+    CPVT_Section section;
+    if (pIterator->GetWord(word)) {
+      nFontIndex = word.nFontIndex;
+    } else if (HasFlag(PES_RICH)) {
+      if (pIterator->GetSection(section)) {
+        nFontIndex = section.WordProps.nFontIndex;
+      }
     }
-
-    return bRet;
-}
-
-FX_BOOL CPWL_EditCtrl::OnChar(FX_WORD nChar, FX_DWORD nFlag)
-{
-    if (m_bMouseDown) return TRUE;
-
-    CPWL_Wnd::OnChar(nChar,nFlag);
-
-    //FILTER
-    switch (nChar)
-    {
-        case 0x0A:
-        case 0x1B:
-            return FALSE;
-        default:
-            break;
+  }
+
+  if (IFX_Edit_FontMap* pFontMap = GetFontMap())
+    return pFontMap->GetPDFFont(nFontIndex);
+
+  return NULL;
+}
+
+FX_FLOAT CPWL_EditCtrl::GetCaretFontSize() const {
+  FX_FLOAT fFontSize = GetFontSize();
+
+  if (IFX_Edit_Iterator* pIterator = m_pEdit->GetIterator()) {
+    pIterator->SetAt(m_pEdit->GetCaret());
+    CPVT_Word word;
+    CPVT_Section section;
+    if (pIterator->GetWord(word)) {
+      fFontSize = word.fFontSize;
+    } else if (HasFlag(PES_RICH)) {
+      if (pIterator->GetSection(section)) {
+        fFontSize = section.WordProps.fFontSize;
+      }
     }
-
-    FX_BOOL bCtrl = IsCTRLpressed(nFlag);
-    FX_BOOL bAlt = IsALTpressed(nFlag);
-    FX_BOOL bShift = IsSHIFTpressed(nFlag);
-
-    FX_WORD word = nChar;
-
-    if (bCtrl && !bAlt)
-    {
-        switch (nChar)
-        {
-            case 'C' - 'A' + 1:
-                CopyText();
-                return TRUE;
-            case 'V' - 'A' + 1:
-                PasteText();
-                return TRUE;
-            case 'X' - 'A' + 1:
-                CutText();
-                return TRUE;
-            case 'A' - 'A' + 1:
-                SelectAll();
-                return TRUE;
-            case 'Z' - 'A' + 1:
-                if (bShift)
-                    Redo();
-                else
-                    Undo();
-                return TRUE;
-            default:
-                if (nChar < 32)
-                    return FALSE;
-        }
+  }
+
+  return fFontSize;
+}
+
+void CPWL_EditCtrl::SetText(const FX_WCHAR* csText) {
+  m_pEdit->SetText(csText);
+}
+
+void CPWL_EditCtrl::CopyText() {}
+
+void CPWL_EditCtrl::PasteText() {}
+
+void CPWL_EditCtrl::CutText() {}
+
+void CPWL_EditCtrl::ShowVScrollBar(FX_BOOL bShow) {}
+
+void CPWL_EditCtrl::InsertText(const FX_WCHAR* csText) {
+  if (!IsReadOnly())
+    m_pEdit->InsertText(csText);
+}
+
+void CPWL_EditCtrl::InsertWord(FX_WORD word, int32_t nCharset) {
+  if (!IsReadOnly())
+    m_pEdit->InsertWord(word, nCharset);
+}
+
+void CPWL_EditCtrl::InsertReturn() {
+  if (!IsReadOnly())
+    m_pEdit->InsertReturn();
+}
+
+void CPWL_EditCtrl::Delete() {
+  if (!IsReadOnly())
+    m_pEdit->Delete();
+}
+
+void CPWL_EditCtrl::Backspace() {
+  if (!IsReadOnly())
+    m_pEdit->Backspace();
+}
+
+FX_BOOL CPWL_EditCtrl::CanUndo() const {
+  return !IsReadOnly() && m_pEdit->CanUndo();
+}
+
+FX_BOOL CPWL_EditCtrl::CanRedo() const {
+  return !IsReadOnly() && m_pEdit->CanRedo();
+}
+
+void CPWL_EditCtrl::Redo() {
+  if (CanRedo())
+    m_pEdit->Redo();
+}
+
+void CPWL_EditCtrl::Undo() {
+  if (CanUndo())
+    m_pEdit->Undo();
+}
+
+void CPWL_EditCtrl::IOnSetScrollInfoY(FX_FLOAT fPlateMin,
+                                      FX_FLOAT fPlateMax,
+                                      FX_FLOAT fContentMin,
+                                      FX_FLOAT fContentMax,
+                                      FX_FLOAT fSmallStep,
+                                      FX_FLOAT fBigStep) {
+  PWL_SCROLL_INFO Info;
+
+  Info.fPlateWidth = fPlateMax - fPlateMin;
+  Info.fContentMin = fContentMin;
+  Info.fContentMax = fContentMax;
+  Info.fSmallStep = fSmallStep;
+  Info.fBigStep = fBigStep;
+
+  OnNotify(this, PNM_SETSCROLLINFO, SBT_VSCROLL, (intptr_t)&Info);
+
+  if (IsFloatBigger(Info.fPlateWidth, Info.fContentMax - Info.fContentMin) ||
+      IsFloatEqual(Info.fPlateWidth, Info.fContentMax - Info.fContentMin)) {
+    ShowVScrollBar(FALSE);
+  } else {
+    ShowVScrollBar(TRUE);
+  }
+}
+
+void CPWL_EditCtrl::IOnSetScrollPosY(FX_FLOAT fy) {
+  OnNotify(this, PNM_SETSCROLLPOS, SBT_VSCROLL, (intptr_t)&fy);
+}
+
+void CPWL_EditCtrl::IOnSetCaret(FX_BOOL bVisible,
+                                const CPDF_Point& ptHead,
+                                const CPDF_Point& ptFoot,
+                                const CPVT_WordPlace& place) {
+  PWL_CARET_INFO cInfo;
+  cInfo.bVisible = bVisible;
+  cInfo.ptHead = ptHead;
+  cInfo.ptFoot = ptFoot;
+
+  OnNotify(this, PNM_SETCARETINFO, (intptr_t)&cInfo, (intptr_t)NULL);
+}
+
+void CPWL_EditCtrl::IOnCaretChange(const CPVT_SecProps& secProps,
+                                   const CPVT_WordProps& wordProps) {}
+
+void CPWL_EditCtrl::IOnContentChange(const CPDF_Rect& rcContent) {
+  if (IsValid()) {
+    if (m_pEditNotify) {
+      m_pEditNotify->OnContentChange(rcContent);
     }
-
-    if (IsReadOnly()) return TRUE;
-
-    if (m_pEdit->IsSelected() && word ==  FWL_VKEY_Back)
-        word = FWL_VKEY_Unknown;
-
-    Clear();
-
-    switch (word)
-    {
-    case FWL_VKEY_Back:
-        Backspace();
-        break;
-    case FWL_VKEY_Return:
-        InsertReturn();
-        break;
-    case FWL_VKEY_Unknown:
-        break;
-    default:
-        if (IsINSERTpressed(nFlag))
-            Delete();
-        InsertWord(word, GetCharSet());
-        break;
-    }
-
-    return TRUE;
-}
-
-FX_BOOL CPWL_EditCtrl::OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag)
-{
-    CPWL_Wnd::OnLButtonDown(point,nFlag);
-
-    if (ClientHitTest(point))
-    {
-        if (m_bMouseDown)
-            InvalidateRect();
-
-        m_bMouseDown = TRUE;
-        SetCapture();
-
-        m_pEdit->OnMouseDown(point,IsSHIFTpressed(nFlag),IsCTRLpressed(nFlag));
-    }
-
-    return TRUE;
-}
-
-FX_BOOL CPWL_EditCtrl::OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag)
-{
-    CPWL_Wnd::OnLButtonUp(point,nFlag);
-
-    if (m_bMouseDown)
-    {
-        //can receive keybord message
-        if (ClientHitTest(point) && !IsFocused())
-            SetFocus();
-
-        ReleaseCapture();
-        m_bMouseDown = FALSE;
-    }
-
-    return TRUE;
-}
-
-FX_BOOL CPWL_EditCtrl::OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag)
-{
-    CPWL_Wnd::OnMouseMove(point,nFlag);
-
-    if (m_bMouseDown)
-        m_pEdit->OnMouseMove(point,FALSE,FALSE);
-
-    return TRUE;
-}
-
-CPDF_Rect CPWL_EditCtrl::GetContentRect() const
-{
-    return m_pEdit->GetContentRect();
-}
-
-void CPWL_EditCtrl::SetEditCaret(FX_BOOL bVisible)
-{
-    CPDF_Point ptHead(0,0),ptFoot(0,0);
-
-    if (bVisible)
-    {
-        GetCaretInfo(ptHead,ptFoot);
-    }
-
-    CPVT_WordPlace wpTemp = m_pEdit->GetCaretWordPlace();
-    IOnSetCaret(bVisible,ptHead,ptFoot,wpTemp);
-}
-
-void CPWL_EditCtrl::GetCaretInfo(CPDF_Point & ptHead, CPDF_Point & ptFoot) const
-{
-    if (IFX_Edit_Iterator * pIterator = m_pEdit->GetIterator())
-    {
-        pIterator->SetAt(m_pEdit->GetCaret());
-        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;
-        }
-    }
-}
-
-void CPWL_EditCtrl::GetCaretPos(int32_t& x, int32_t& y) const
-{
-    CPDF_Point ptHead(0,0), ptFoot(0,0);
-
-    GetCaretInfo(ptHead,ptFoot);
-
-    PWLtoWnd(ptHead, x, y);
-}
-
-void CPWL_EditCtrl::SetCaret(FX_BOOL bVisible, const CPDF_Point & ptHead, const CPDF_Point & ptFoot)
-{
-    if (m_pEditCaret)
-    {
-        if (!IsFocused() || m_pEdit->IsSelected())
-            bVisible = FALSE;
-
-        m_pEditCaret->SetCaret(bVisible, ptHead, ptFoot);
-    }
-}
-
-FX_BOOL CPWL_EditCtrl::IsModified() const
-{
-    return m_pEdit->IsModified();
-}
-
-CFX_WideString CPWL_EditCtrl::GetText() const
-{
-    return m_pEdit->GetText();
-}
-
-void CPWL_EditCtrl::SetSel(int32_t nStartChar,int32_t nEndChar)
-{
-    m_pEdit->SetSel(nStartChar, nEndChar);
-}
-
-void CPWL_EditCtrl::GetSel(int32_t & nStartChar, int32_t & nEndChar ) const
-{
-    m_pEdit->GetSel(nStartChar, nEndChar);
-}
-
-void CPWL_EditCtrl::Clear()
-{
-    if (!IsReadOnly())
-        m_pEdit->Clear();
-}
-
-void CPWL_EditCtrl::SelectAll()
-{
-    m_pEdit->SelectAll();
-}
-
-void CPWL_EditCtrl::Paint()
-{
-    if (m_pEdit)
-        m_pEdit->Paint();
-}
-
-void CPWL_EditCtrl::EnableRefresh(FX_BOOL bRefresh)
-{
-    if (m_pEdit)
-        m_pEdit->EnableRefresh(bRefresh);
-}
-
-int32_t CPWL_EditCtrl::GetCaret() const
-{
-    if (m_pEdit)
-        return m_pEdit->GetCaret();
-
-    return -1;
-}
-
-void CPWL_EditCtrl::SetCaret(int32_t nPos)
-{
-    if (m_pEdit)
-        m_pEdit->SetCaret(nPos);
-}
-
-int32_t CPWL_EditCtrl::GetTotalWords() const
-{
-    if (m_pEdit)
-        return m_pEdit->GetTotalWords();
-
-    return 0;
-}
-
-void CPWL_EditCtrl::SetScrollPos(const CPDF_Point& point)
-{
-    if (m_pEdit)
-        m_pEdit->SetScrollPos(point);
-}
-
-CPDF_Point CPWL_EditCtrl::GetScrollPos() const
-{
-    if (m_pEdit)
-        return m_pEdit->GetScrollPos();
-
-    return CPDF_Point(0.0f, 0.0f);
-}
-
-CPDF_Font * CPWL_EditCtrl::GetCaretFont() const
-{
-    int32_t nFontIndex = 0;
-
-    if (IFX_Edit_Iterator * pIterator = m_pEdit->GetIterator())
-    {
-        pIterator->SetAt(m_pEdit->GetCaret());
-        CPVT_Word word;
-        CPVT_Section section;
-        if (pIterator->GetWord(word))
-        {
-            nFontIndex = word.nFontIndex;
-        }
-        else if (HasFlag(PES_RICH))
-        {
-            if (pIterator->GetSection(section))
-            {
-                nFontIndex = section.WordProps.nFontIndex;
-            }
-        }
-    }
-
-    if (IFX_Edit_FontMap* pFontMap = GetFontMap())
-        return pFontMap->GetPDFFont(nFontIndex);
-
-    return NULL;
-}
-
-FX_FLOAT CPWL_EditCtrl::GetCaretFontSize() const
-{
-    FX_FLOAT fFontSize = GetFontSize();
-
-    if (IFX_Edit_Iterator * pIterator = m_pEdit->GetIterator())
-    {
-        pIterator->SetAt(m_pEdit->GetCaret());
-        CPVT_Word word;
-        CPVT_Section section;
-        if (pIterator->GetWord(word))
-        {
-            fFontSize = word.fFontSize;
-        }
-        else if (HasFlag(PES_RICH))
-        {
-            if (pIterator->GetSection(section))
-            {
-                fFontSize = section.WordProps.fFontSize;
-            }
-        }
-    }
-
-    return fFontSize;
-}
-
-void CPWL_EditCtrl::SetText(const FX_WCHAR* csText)
-{
-    m_pEdit->SetText(csText);
-}
-
-void CPWL_EditCtrl::CopyText()
-{
-}
-
-void CPWL_EditCtrl::PasteText()
-{
-}
-
-void CPWL_EditCtrl::CutText()
-{
-}
-
-void CPWL_EditCtrl::ShowVScrollBar(FX_BOOL bShow)
-{
-}
-
-void CPWL_EditCtrl::InsertText(const FX_WCHAR* csText)
-{
-    if (!IsReadOnly())
-        m_pEdit->InsertText(csText);
-}
-
-void CPWL_EditCtrl::InsertWord(FX_WORD word, int32_t nCharset)
-{
-    if (!IsReadOnly())
-        m_pEdit->InsertWord(word, nCharset);
-}
-
-void CPWL_EditCtrl::InsertReturn()
-{
-    if (!IsReadOnly())
-        m_pEdit->InsertReturn();
-}
-
-void CPWL_EditCtrl::Delete()
-{
-    if (!IsReadOnly())
-        m_pEdit->Delete();
-}
-
-void CPWL_EditCtrl::Backspace()
-{
-    if (!IsReadOnly())
-        m_pEdit->Backspace();
-}
-
-FX_BOOL CPWL_EditCtrl::CanUndo() const
-{
-    return !IsReadOnly() && m_pEdit->CanUndo();
-}
-
-FX_BOOL CPWL_EditCtrl::CanRedo() const
-{
-    return !IsReadOnly() && m_pEdit->CanRedo();
-}
-
-void CPWL_EditCtrl::Redo()
-{
-    if (CanRedo())
-        m_pEdit->Redo();
-}
-
-void CPWL_EditCtrl::Undo()
-{
-    if (CanUndo())
-        m_pEdit->Undo();
-}
-
-void CPWL_EditCtrl::IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
-                                                FX_FLOAT fContentMin, FX_FLOAT fContentMax,
-                                                FX_FLOAT fSmallStep, FX_FLOAT fBigStep)
-{
-    PWL_SCROLL_INFO Info;
-
-    Info.fPlateWidth = fPlateMax - fPlateMin;
-    Info.fContentMin = fContentMin;
-    Info.fContentMax = fContentMax;
-    Info.fSmallStep = fSmallStep;
-    Info.fBigStep = fBigStep;
-
-    OnNotify(this,PNM_SETSCROLLINFO,SBT_VSCROLL,(intptr_t)&Info);
-
-    if (IsFloatBigger(Info.fPlateWidth,Info.fContentMax-Info.fContentMin)
-        || IsFloatEqual(Info.fPlateWidth,Info.fContentMax-Info.fContentMin))
-    {
-        ShowVScrollBar(FALSE);
-    }
-    else
-    {
-        ShowVScrollBar(TRUE);
-    }
-}
-
-void CPWL_EditCtrl::IOnSetScrollPosY(FX_FLOAT fy)
-{
-    OnNotify(this, PNM_SETSCROLLPOS,SBT_VSCROLL, (intptr_t)&fy);
-}
-
-void CPWL_EditCtrl::IOnSetCaret(FX_BOOL bVisible, const CPDF_Point & ptHead, const CPDF_Point & ptFoot, const CPVT_WordPlace& place)
-{
-    PWL_CARET_INFO cInfo;
-    cInfo.bVisible = bVisible;
-    cInfo.ptHead = ptHead;
-    cInfo.ptFoot = ptFoot;
-
-    OnNotify(this, PNM_SETCARETINFO, (intptr_t)&cInfo, (intptr_t)NULL);
-}
-
-void CPWL_EditCtrl::IOnCaretChange(const CPVT_SecProps & secProps, const CPVT_WordProps & wordProps)
-{
-}
-
-void CPWL_EditCtrl::IOnContentChange(const CPDF_Rect& rcContent)
-{
-    if (IsValid())
-    {
-        if (m_pEditNotify)
-        {
-            m_pEditNotify->OnContentChange(rcContent);
-        }
-    }
-}
-
-void CPWL_EditCtrl::IOnInvalidateRect(CPDF_Rect * pRect)
-{
-    InvalidateRect(pRect);
-}
-
-int32_t CPWL_EditCtrl::GetCharSet() const
-{
-    return m_nCharSet < 0 ? DEFAULT_CHARSET : m_nCharSet;
-}
-
-void CPWL_EditCtrl::GetTextRange(const CPDF_Rect& rect, int32_t & nStartChar, int32_t & nEndChar) const
-{
-    nStartChar = m_pEdit->WordPlaceToWordIndex(m_pEdit->SearchWordPlace(CPDF_Point(rect.left, rect.top)));
-    nEndChar = m_pEdit->WordPlaceToWordIndex(m_pEdit->SearchWordPlace(CPDF_Point(rect.right, rect.bottom)));
-}
-
-CFX_WideString CPWL_EditCtrl::GetText(int32_t & nStartChar, int32_t & nEndChar) const
-{
-    CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStartChar);
-    CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEndChar);
-    return m_pEdit->GetRangeText(CPVT_WordRange(wpStart, wpEnd));
-}
-
-void    CPWL_EditCtrl::SetReadyToInput()
-{
-    if (m_bMouseDown)
-    {
-        ReleaseCapture();
-        m_bMouseDown = FALSE;
-    }
-}
+  }
+}
+
+void CPWL_EditCtrl::IOnInvalidateRect(CPDF_Rect* pRect) {
+  InvalidateRect(pRect);
+}
+
+int32_t CPWL_EditCtrl::GetCharSet() const {
+  return m_nCharSet < 0 ? DEFAULT_CHARSET : m_nCharSet;
+}
+
+void CPWL_EditCtrl::GetTextRange(const CPDF_Rect& rect,
+                                 int32_t& nStartChar,
+                                 int32_t& nEndChar) const {
+  nStartChar = m_pEdit->WordPlaceToWordIndex(
+      m_pEdit->SearchWordPlace(CPDF_Point(rect.left, rect.top)));
+  nEndChar = m_pEdit->WordPlaceToWordIndex(
+      m_pEdit->SearchWordPlace(CPDF_Point(rect.right, rect.bottom)));
+}
+
+CFX_WideString CPWL_EditCtrl::GetText(int32_t& nStartChar,
+                                      int32_t& nEndChar) const {
+  CPVT_WordPlace wpStart = m_pEdit->WordIndexToWordPlace(nStartChar);
+  CPVT_WordPlace wpEnd = m_pEdit->WordIndexToWordPlace(nEndChar);
+  return m_pEdit->GetRangeText(CPVT_WordRange(wpStart, wpEnd));
+}
+
+void CPWL_EditCtrl::SetReadyToInput() {
+  if (m_bMouseDown) {
+    ReleaseCapture();
+    m_bMouseDown = FALSE;
+  }
+}