1 files changed, 259 insertions, 259 deletions
diff --git a/xfa/src/fee/include/ifde_txtedtengine.h b/xfa/src/fee/include/ifde_txtedtengine.h
index 6d531d4c04..4ddbdb0e97 100644
--- a/xfa/src/fee/include/ifde_txtedtengine.h
+++ b/xfa/src/fee/include/ifde_txtedtengine.h
@@ -1,259 +1,259 @@
-// 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
-
-#ifndef _IFDE_TXTEDTENGINE_H
-#define _IFDE_TXTEDTENGINE_H
-class IFDE_TxtEdtBuf;
-class IFDE_TxtEdtPage;
-class IFDE_TxtEdtEngine;
-class IFDE_TxtEdtEventSink;
-class IFDE_TxtEdtParag;
-#define FDE_TXTEDT_FIND_FLAGS_Prev (0L << 0)
-#define FDE_TXTEDT_FIND_FLAGS_Next (1L << 0)
-#define FDE_TXTEDT_FIND_FLAGS_WholeWord (1L << 1)
-#define FDE_TXTEDT_FIND_FLAGS_NoCase (1L << 2)
-typedef struct _FDE_HTXTEDTFIND { void* pData; } * FDE_HTXTEDTFIND;
-#define FDE_TEXTEDITMODE_MultiLines (1L << 0)
-#define FDE_TEXTEDITMODE_AutoLineWrap (1L << 1)
-#define FDE_TEXTEDITMODE_ReadOnly (1L << 2)
-#define FDE_TEXTEDITMODE_LimitArea_Vert (1L << 3)
-#define FDE_TEXTEDITMODE_LimitArea_Horz (1L << 4)
-#define FDE_TEXTEDITMODE_NoRedoUndo (1L << 5)
-#define FDE_TEXTEDITMODE_FIELD_TAB (1L << 6)
-#define FDE_TEXTEDITMODE_FIELD_AUTO (1L << 7)
-#define FDE_TEXTEDITMODE_Validate (1L << 8)
-#define FDE_TEXTEDITMODE_Password (1L << 9)
-#define FDE_TEXTEDITALIGN_Left (0L << 0)
-#define FDE_TEXTEDITALIGN_Center (1L << 0)
-#define FDE_TEXTEDITALIGN_Right (2L << 0)
-#define FDE_TEXTEDITALIGN_Normal (1L << 3)
-#define FDE_TEXTEDITALIGN_Justified (1L << 4)
-#define FDE_TEXTEDITALIGN_Distributed (1L << 5)
-#define FDE_TEXTEDITLAYOUT_DocVertical (1L << 0)
-#define FDE_TEXTEDITLAYOUT_CharVertial (1L << 1)
-#define FDE_TEXTEDITLAYOUT_LineReserve (1L << 2)
-#define FDE_TEXTEDITLAYOUT_RTL (1L << 3)
-#define FDE_TEXTEDITLAYOUT_CombText (1L << 4)
-#define FDE_TEXTEDITLAYOUT_ExpandTab (1L << 5)
-#define FDE_TEXTEDITLAYOUT_ArabicContext (1L << 6)
-#define FDE_TEXTEDITLAYOUT_ArabicShapes (1L << 7)
-#define FDE_TEXTEDITLAYOUT_LastLineHeight (1L << 8)
-enum FDE_TXTEDTMOVECARET {
-  MC_MoveNone = 0,
-  MC_Left,
-  MC_Right,
-  MC_Up,
-  MC_Down,
-  MC_WordBackward,
-  MC_WordForward,
-  MC_LineStart,
-  MC_LineEnd,
-  MC_ParagStart,
-  MC_ParagEnd,
-  MC_PageUp,
-  MC_PageDown,
-  MC_Home,
-  MC_End,
-};
-enum FDE_TXTEDT_MODIFY_RET {
-  FDE_TXTEDT_MODIFY_RET_F_Tab = -6,
-  FDE_TXTEDT_MODIFY_RET_F_Locked = -5,
-  FDE_TXTEDT_MODIFY_RET_F_Invalidate = -4,
-  FDE_TXTEDT_MODIFY_RET_F_Boundary = -3,
-  FDE_TXTEDT_MODIFY_RET_F_Full = -2,
-  FDE_TXTEDT_MODIFY_RET_F_Normal = -1,
-  FDE_TXTEDT_MODIFY_RET_S_Normal = 0,
-  FDE_TXTEDT_MODIFY_RET_S_Full = 1,
-  FDE_TXTEDT_MODIFY_RET_S_Part = 2,
-  FDE_TXTEDT_MODIFY_RET_S_Empty = 3,
-  FDE_TXTEDT_MODIFY_RET_T_Tab = 4,
-};
-enum FDE_TXTEDIT_LINEEND {
-  FDE_TXTEDIT_LINEEND_Auto,
-  FDE_TXTEDIT_LINEEND_CRLF,
-  FDE_TXTEDIT_LINEEND_CR,
-  FDE_TXTEDIT_LINEEND_LF,
-};
-struct _FDE_TXTEDTPARAMS {
-  _FDE_TXTEDTPARAMS()
-      : fPlateWidth(0),
-        fPlateHeight(0),
-        nLineCount(0),
-        dwLayoutStyles(0),
-        dwAlignment(0),
-        dwMode(0),
-        pFont(NULL),
-        fFontSize(10.0f),
-        dwFontColor(0xff000000),
-        fLineSpace(10.0f),
-        fTabWidth(36),
-        bTabEquidistant(FALSE),
-        wDefChar(0xFEFF),
-        wLineBreakChar('\n'),
-        nCharRotation(0),
-        nLineEnd(0),
-        nHorzScale(100),
-        fCharSpace(0),
-        pEventSink(NULL) {}
-  FX_FLOAT fPlateWidth;
-  FX_FLOAT fPlateHeight;
-  int32_t nLineCount;
-  FX_DWORD dwLayoutStyles;
-  FX_DWORD dwAlignment;
-  FX_DWORD dwMode;
-  IFX_Font* pFont;
-  FX_FLOAT fFontSize;
-  FX_ARGB dwFontColor;
-  FX_FLOAT fLineSpace;
-  FX_FLOAT fTabWidth;
-  FX_BOOL bTabEquidistant;
-  FX_WCHAR wDefChar;
-  FX_WCHAR wLineBreakChar;
-  int32_t nCharRotation;
-  int32_t nLineEnd;
-  int32_t nHorzScale;
-  FX_FLOAT fCharSpace;
-  IFDE_TxtEdtEventSink* pEventSink;
-};
-typedef _FDE_TXTEDTPARAMS FDE_TXTEDTPARAMS;
-typedef _FDE_TXTEDTPARAMS* FDE_LPTXTEDTPARAMS;
-enum FDE_TXTEDT_TEXTCHANGE_TYPE {
-  FDE_TXTEDT_TEXTCHANGE_TYPE_Insert = 0,
-  FDE_TXTEDT_TEXTCHANGE_TYPE_Delete,
-  FDE_TXTEDT_TEXTCHANGE_TYPE_Replace,
-};
-struct _FDE_TXTEDT_TEXTCHANGE_INFO {
-  int32_t nChangeType;
-  CFX_WideString wsInsert;
-  CFX_WideString wsDelete;
-  CFX_WideString wsPrevText;
-};
-typedef _FDE_TXTEDT_TEXTCHANGE_INFO FDE_TXTEDT_TEXTCHANGE_INFO;
-typedef _FDE_TXTEDT_TEXTCHANGE_INFO* FDE_LPTXTEDT_TEXTCHANGE_INFO;
-class IFDE_TxtEdtEventSink {
- public:
-  virtual ~IFDE_TxtEdtEventSink() {}
-  virtual void On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
-                               int32_t nPage,
-                               FX_BOOL bVisible = TRUE) = 0;
-  virtual void On_TextChanged(IFDE_TxtEdtEngine* pEdit,
-                              FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) = 0;
-  virtual void On_PageCountChanged(IFDE_TxtEdtEngine* pEdit) = 0;
-  virtual void On_SelChanged(IFDE_TxtEdtEngine* pEdit) = 0;
-  virtual FX_BOOL On_PageLoad(IFDE_TxtEdtEngine* pEdit,
-                              int32_t nPageIndex,
-                              int32_t nPurpose) = 0;
-  virtual FX_BOOL On_PageUnload(IFDE_TxtEdtEngine* pEdit,
-                                int32_t nPageIndex,
-                                int32_t nPurpose) = 0;
-  virtual FX_BOOL On_PageChange(IFDE_TxtEdtEngine* pEdit,
-                                int32_t nPageIndex) = 0;
-  virtual void On_AddDoRecord(IFDE_TxtEdtEngine* pEdit,
-                              const CFX_ByteStringC& bsDoRecord) = 0;
-  virtual FX_BOOL On_ValidateField(IFDE_TxtEdtEngine* pEdit,
-                                   int32_t nBlockIndex,
-                                   int32_t nFieldIndex,
-                                   const CFX_WideString& wsFieldText,
-                                   int32_t nCharIndex) = 0;
-  virtual FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine* pEdit,
-                                   int32_t nBlockIndex) = 0;
-  virtual FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit,
-                                        int32_t nBlockIndex,
-                                        CFX_WideString& wsBlockText) = 0;
-  virtual FX_BOOL On_Validate(IFDE_TxtEdtEngine* pEdit,
-                              CFX_WideString& wsText) = 0;
-};
-class IFX_CharIter {
- public:
-  virtual ~IFX_CharIter() {}
-  virtual void Release() = 0;
-  virtual FX_BOOL Next(FX_BOOL bPrev = FALSE) = 0;
-  virtual FX_WCHAR GetChar() = 0;
-  virtual void SetAt(int32_t nIndex) = 0;
-  virtual int32_t GetAt() const = 0;
-  virtual FX_BOOL IsEOF(FX_BOOL bTail = TRUE) const = 0;
-  virtual IFX_CharIter* Clone() = 0;
-};
-class IFDE_TxtEdtEngine {
- public:
-  static IFDE_TxtEdtEngine* Create();
-
-  virtual ~IFDE_TxtEdtEngine() {}
-  virtual void Release() = 0;
-  virtual void SetEditParams(const FDE_TXTEDTPARAMS& params) = 0;
-  virtual const FDE_TXTEDTPARAMS* GetEditParams() const = 0;
-
-  virtual int32_t CountPages() const = 0;
-  virtual IFDE_TxtEdtPage* GetPage(int32_t nIndex) = 0;
-  virtual FX_BOOL SetBufChunkSize(int32_t nChunkSize) = 0;
-  virtual void SetTextByStream(IFX_Stream* pStream) = 0;
-  virtual void SetText(const CFX_WideString& wsText) = 0;
-  virtual int32_t GetTextLength() const = 0;
-  virtual void GetText(CFX_WideString& wsText,
-                       int32_t nStart,
-                       int32_t nCount = -1) = 0;
-  virtual void ClearText() = 0;
-
-  virtual int32_t GetCaretRect(CFX_RectF& rtCaret) const = 0;
-  virtual int32_t GetCaretPos() const = 0;
-  virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE) = 0;
-  virtual int32_t MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
-                               FX_BOOL bShift = FALSE,
-                               FX_BOOL bCtrl = FALSE) = 0;
-
-  virtual void Lock() = 0;
-  virtual void Unlock() = 0;
-  virtual FX_BOOL IsLocked() const = 0;
-
-  virtual int32_t Insert(int32_t nStart,
-                         const FX_WCHAR* lpText,
-                         int32_t nLength) = 0;
-  virtual int32_t Delete(int32_t nStart, FX_BOOL bBackspace = FALSE) = 0;
-  virtual int32_t DeleteRange(int32_t nStart, int32_t nCount = -1) = 0;
-  virtual int32_t Replace(int32_t nStart,
-                          int32_t nLength,
-                          const CFX_WideString& wsReplace) = 0;
-  virtual void SetLimit(int32_t nLimit) = 0;
-  virtual void SetAliasChar(FX_WCHAR wAlias) = 0;
-  virtual void SetFormatBlock(int32_t nIndex,
-                              const CFX_WideString& wsBlockFormat) = 0;
-  virtual int32_t CountEditBlocks() const = 0;
-  virtual void GetEditBlockText(int32_t nIndex,
-                                CFX_WideString& wsBlockText) const = 0;
-  virtual int32_t CountEditFields(int32_t nBlockIndex) const = 0;
-  virtual void GetEditFieldText(int32_t nBlockIndex,
-                                int32_t nFieldIndex,
-                                CFX_WideString& wsFieldText) const = 0;
-  virtual void StartEdit() = 0;
-  virtual void EndEdit() = 0;
-  virtual void AddSelRange(int32_t nStart, int32_t nCount = -1) = 0;
-  virtual int32_t CountSelRanges() = 0;
-  virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart) = 0;
-  virtual void ClearSelection() = 0;
-
-  virtual FX_BOOL Redo(const CFX_ByteStringC& bsRedo) = 0;
-  virtual FX_BOOL Undo(const CFX_ByteStringC& bsUndo) = 0;
-
-  virtual int32_t StartLayout() = 0;
-  virtual int32_t DoLayout(IFX_Pause* pPause) = 0;
-  virtual void EndLayout() = 0;
-
-  virtual FX_BOOL Optimize(IFX_Pause* pPause = NULL) = 0;
-  virtual int32_t CountParags() const = 0;
-  virtual IFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const = 0;
-  virtual IFX_CharIter* CreateCharIter() = 0;
-};
-class IFDE_TxtEdtParag {
- public:
-  virtual ~IFDE_TxtEdtParag() {}
-  virtual int32_t GetTextLength() const = 0;
-  virtual int32_t GetStartIndex() const = 0;
-  virtual int32_t CountLines() const = 0;
-  virtual void GetLineRange(int32_t nLineIndex,
-                            int32_t& nStart,
-                            int32_t& nCount) const = 0;
-};
-#endif
+// 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
+
+#ifndef _IFDE_TXTEDTENGINE_H
+#define _IFDE_TXTEDTENGINE_H
+class IFDE_TxtEdtBuf;
+class IFDE_TxtEdtPage;
+class IFDE_TxtEdtEngine;
+class IFDE_TxtEdtEventSink;
+class IFDE_TxtEdtParag;
+#define FDE_TXTEDT_FIND_FLAGS_Prev (0L << 0)
+#define FDE_TXTEDT_FIND_FLAGS_Next (1L << 0)
+#define FDE_TXTEDT_FIND_FLAGS_WholeWord (1L << 1)
+#define FDE_TXTEDT_FIND_FLAGS_NoCase (1L << 2)
+typedef struct _FDE_HTXTEDTFIND { void* pData; } * FDE_HTXTEDTFIND;
+#define FDE_TEXTEDITMODE_MultiLines (1L << 0)
+#define FDE_TEXTEDITMODE_AutoLineWrap (1L << 1)
+#define FDE_TEXTEDITMODE_ReadOnly (1L << 2)
+#define FDE_TEXTEDITMODE_LimitArea_Vert (1L << 3)
+#define FDE_TEXTEDITMODE_LimitArea_Horz (1L << 4)
+#define FDE_TEXTEDITMODE_NoRedoUndo (1L << 5)
+#define FDE_TEXTEDITMODE_FIELD_TAB (1L << 6)
+#define FDE_TEXTEDITMODE_FIELD_AUTO (1L << 7)
+#define FDE_TEXTEDITMODE_Validate (1L << 8)
+#define FDE_TEXTEDITMODE_Password (1L << 9)
+#define FDE_TEXTEDITALIGN_Left (0L << 0)
+#define FDE_TEXTEDITALIGN_Center (1L << 0)
+#define FDE_TEXTEDITALIGN_Right (2L << 0)
+#define FDE_TEXTEDITALIGN_Normal (1L << 3)
+#define FDE_TEXTEDITALIGN_Justified (1L << 4)
+#define FDE_TEXTEDITALIGN_Distributed (1L << 5)
+#define FDE_TEXTEDITLAYOUT_DocVertical (1L << 0)
+#define FDE_TEXTEDITLAYOUT_CharVertial (1L << 1)
+#define FDE_TEXTEDITLAYOUT_LineReserve (1L << 2)
+#define FDE_TEXTEDITLAYOUT_RTL (1L << 3)
+#define FDE_TEXTEDITLAYOUT_CombText (1L << 4)
+#define FDE_TEXTEDITLAYOUT_ExpandTab (1L << 5)
+#define FDE_TEXTEDITLAYOUT_ArabicContext (1L << 6)
+#define FDE_TEXTEDITLAYOUT_ArabicShapes (1L << 7)
+#define FDE_TEXTEDITLAYOUT_LastLineHeight (1L << 8)
+enum FDE_TXTEDTMOVECARET {
+  MC_MoveNone = 0,
+  MC_Left,
+  MC_Right,
+  MC_Up,
+  MC_Down,
+  MC_WordBackward,
+  MC_WordForward,
+  MC_LineStart,
+  MC_LineEnd,
+  MC_ParagStart,
+  MC_ParagEnd,
+  MC_PageUp,
+  MC_PageDown,
+  MC_Home,
+  MC_End,
+};
+enum FDE_TXTEDT_MODIFY_RET {
+  FDE_TXTEDT_MODIFY_RET_F_Tab = -6,
+  FDE_TXTEDT_MODIFY_RET_F_Locked = -5,
+  FDE_TXTEDT_MODIFY_RET_F_Invalidate = -4,
+  FDE_TXTEDT_MODIFY_RET_F_Boundary = -3,
+  FDE_TXTEDT_MODIFY_RET_F_Full = -2,
+  FDE_TXTEDT_MODIFY_RET_F_Normal = -1,
+  FDE_TXTEDT_MODIFY_RET_S_Normal = 0,
+  FDE_TXTEDT_MODIFY_RET_S_Full = 1,
+  FDE_TXTEDT_MODIFY_RET_S_Part = 2,
+  FDE_TXTEDT_MODIFY_RET_S_Empty = 3,
+  FDE_TXTEDT_MODIFY_RET_T_Tab = 4,
+};
+enum FDE_TXTEDIT_LINEEND {
+  FDE_TXTEDIT_LINEEND_Auto,
+  FDE_TXTEDIT_LINEEND_CRLF,
+  FDE_TXTEDIT_LINEEND_CR,
+  FDE_TXTEDIT_LINEEND_LF,
+};
+struct _FDE_TXTEDTPARAMS {
+  _FDE_TXTEDTPARAMS()
+      : fPlateWidth(0),
+        fPlateHeight(0),
+        nLineCount(0),
+        dwLayoutStyles(0),
+        dwAlignment(0),
+        dwMode(0),
+        pFont(NULL),
+        fFontSize(10.0f),
+        dwFontColor(0xff000000),
+        fLineSpace(10.0f),
+        fTabWidth(36),
+        bTabEquidistant(FALSE),
+        wDefChar(0xFEFF),
+        wLineBreakChar('\n'),
+        nCharRotation(0),
+        nLineEnd(0),
+        nHorzScale(100),
+        fCharSpace(0),
+        pEventSink(NULL) {}
+  FX_FLOAT fPlateWidth;
+  FX_FLOAT fPlateHeight;
+  int32_t nLineCount;
+  FX_DWORD dwLayoutStyles;
+  FX_DWORD dwAlignment;
+  FX_DWORD dwMode;
+  IFX_Font* pFont;
+  FX_FLOAT fFontSize;
+  FX_ARGB dwFontColor;
+  FX_FLOAT fLineSpace;
+  FX_FLOAT fTabWidth;
+  FX_BOOL bTabEquidistant;
+  FX_WCHAR wDefChar;
+  FX_WCHAR wLineBreakChar;
+  int32_t nCharRotation;
+  int32_t nLineEnd;
+  int32_t nHorzScale;
+  FX_FLOAT fCharSpace;
+  IFDE_TxtEdtEventSink* pEventSink;
+};
+typedef _FDE_TXTEDTPARAMS FDE_TXTEDTPARAMS;
+typedef _FDE_TXTEDTPARAMS* FDE_LPTXTEDTPARAMS;
+enum FDE_TXTEDT_TEXTCHANGE_TYPE {
+  FDE_TXTEDT_TEXTCHANGE_TYPE_Insert = 0,
+  FDE_TXTEDT_TEXTCHANGE_TYPE_Delete,
+  FDE_TXTEDT_TEXTCHANGE_TYPE_Replace,
+};
+struct _FDE_TXTEDT_TEXTCHANGE_INFO {
+  int32_t nChangeType;
+  CFX_WideString wsInsert;
+  CFX_WideString wsDelete;
+  CFX_WideString wsPrevText;
+};
+typedef _FDE_TXTEDT_TEXTCHANGE_INFO FDE_TXTEDT_TEXTCHANGE_INFO;
+typedef _FDE_TXTEDT_TEXTCHANGE_INFO* FDE_LPTXTEDT_TEXTCHANGE_INFO;
+class IFDE_TxtEdtEventSink {
+ public:
+  virtual ~IFDE_TxtEdtEventSink() {}
+  virtual void On_CaretChanged(IFDE_TxtEdtEngine* pEdit,
+                               int32_t nPage,
+                               FX_BOOL bVisible = TRUE) = 0;
+  virtual void On_TextChanged(IFDE_TxtEdtEngine* pEdit,
+                              FDE_TXTEDT_TEXTCHANGE_INFO& ChangeInfo) = 0;
+  virtual void On_PageCountChanged(IFDE_TxtEdtEngine* pEdit) = 0;
+  virtual void On_SelChanged(IFDE_TxtEdtEngine* pEdit) = 0;
+  virtual FX_BOOL On_PageLoad(IFDE_TxtEdtEngine* pEdit,
+                              int32_t nPageIndex,
+                              int32_t nPurpose) = 0;
+  virtual FX_BOOL On_PageUnload(IFDE_TxtEdtEngine* pEdit,
+                                int32_t nPageIndex,
+                                int32_t nPurpose) = 0;
+  virtual FX_BOOL On_PageChange(IFDE_TxtEdtEngine* pEdit,
+                                int32_t nPageIndex) = 0;
+  virtual void On_AddDoRecord(IFDE_TxtEdtEngine* pEdit,
+                              const CFX_ByteStringC& bsDoRecord) = 0;
+  virtual FX_BOOL On_ValidateField(IFDE_TxtEdtEngine* pEdit,
+                                   int32_t nBlockIndex,
+                                   int32_t nFieldIndex,
+                                   const CFX_WideString& wsFieldText,
+                                   int32_t nCharIndex) = 0;
+  virtual FX_BOOL On_ValidateBlock(IFDE_TxtEdtEngine* pEdit,
+                                   int32_t nBlockIndex) = 0;
+  virtual FX_BOOL On_GetBlockFormatText(IFDE_TxtEdtEngine* pEdit,
+                                        int32_t nBlockIndex,
+                                        CFX_WideString& wsBlockText) = 0;
+  virtual FX_BOOL On_Validate(IFDE_TxtEdtEngine* pEdit,
+                              CFX_WideString& wsText) = 0;
+};
+class IFX_CharIter {
+ public:
+  virtual ~IFX_CharIter() {}
+  virtual void Release() = 0;
+  virtual FX_BOOL Next(FX_BOOL bPrev = FALSE) = 0;
+  virtual FX_WCHAR GetChar() = 0;
+  virtual void SetAt(int32_t nIndex) = 0;
+  virtual int32_t GetAt() const = 0;
+  virtual FX_BOOL IsEOF(FX_BOOL bTail = TRUE) const = 0;
+  virtual IFX_CharIter* Clone() = 0;
+};
+class IFDE_TxtEdtEngine {
+ public:
+  static IFDE_TxtEdtEngine* Create();
+
+  virtual ~IFDE_TxtEdtEngine() {}
+  virtual void Release() = 0;
+  virtual void SetEditParams(const FDE_TXTEDTPARAMS& params) = 0;
+  virtual const FDE_TXTEDTPARAMS* GetEditParams() const = 0;
+
+  virtual int32_t CountPages() const = 0;
+  virtual IFDE_TxtEdtPage* GetPage(int32_t nIndex) = 0;
+  virtual FX_BOOL SetBufChunkSize(int32_t nChunkSize) = 0;
+  virtual void SetTextByStream(IFX_Stream* pStream) = 0;
+  virtual void SetText(const CFX_WideString& wsText) = 0;
+  virtual int32_t GetTextLength() const = 0;
+  virtual void GetText(CFX_WideString& wsText,
+                       int32_t nStart,
+                       int32_t nCount = -1) = 0;
+  virtual void ClearText() = 0;
+
+  virtual int32_t GetCaretRect(CFX_RectF& rtCaret) const = 0;
+  virtual int32_t GetCaretPos() const = 0;
+  virtual int32_t SetCaretPos(int32_t nIndex, FX_BOOL bBefore = TRUE) = 0;
+  virtual int32_t MoveCaretPos(FDE_TXTEDTMOVECARET eMoveCaret,
+                               FX_BOOL bShift = FALSE,
+                               FX_BOOL bCtrl = FALSE) = 0;
+
+  virtual void Lock() = 0;
+  virtual void Unlock() = 0;
+  virtual FX_BOOL IsLocked() const = 0;
+
+  virtual int32_t Insert(int32_t nStart,
+                         const FX_WCHAR* lpText,
+                         int32_t nLength) = 0;
+  virtual int32_t Delete(int32_t nStart, FX_BOOL bBackspace = FALSE) = 0;
+  virtual int32_t DeleteRange(int32_t nStart, int32_t nCount = -1) = 0;
+  virtual int32_t Replace(int32_t nStart,
+                          int32_t nLength,
+                          const CFX_WideString& wsReplace) = 0;
+  virtual void SetLimit(int32_t nLimit) = 0;
+  virtual void SetAliasChar(FX_WCHAR wAlias) = 0;
+  virtual void SetFormatBlock(int32_t nIndex,
+                              const CFX_WideString& wsBlockFormat) = 0;
+  virtual int32_t CountEditBlocks() const = 0;
+  virtual void GetEditBlockText(int32_t nIndex,
+                                CFX_WideString& wsBlockText) const = 0;
+  virtual int32_t CountEditFields(int32_t nBlockIndex) const = 0;
+  virtual void GetEditFieldText(int32_t nBlockIndex,
+                                int32_t nFieldIndex,
+                                CFX_WideString& wsFieldText) const = 0;
+  virtual void StartEdit() = 0;
+  virtual void EndEdit() = 0;
+  virtual void AddSelRange(int32_t nStart, int32_t nCount = -1) = 0;
+  virtual int32_t CountSelRanges() = 0;
+  virtual int32_t GetSelRange(int32_t nIndex, int32_t& nStart) = 0;
+  virtual void ClearSelection() = 0;
+
+  virtual FX_BOOL Redo(const CFX_ByteStringC& bsRedo) = 0;
+  virtual FX_BOOL Undo(const CFX_ByteStringC& bsUndo) = 0;
+
+  virtual int32_t StartLayout() = 0;
+  virtual int32_t DoLayout(IFX_Pause* pPause) = 0;
+  virtual void EndLayout() = 0;
+
+  virtual FX_BOOL Optimize(IFX_Pause* pPause = NULL) = 0;
+  virtual int32_t CountParags() const = 0;
+  virtual IFDE_TxtEdtParag* GetParag(int32_t nParagIndex) const = 0;
+  virtual IFX_CharIter* CreateCharIter() = 0;
+};
+class IFDE_TxtEdtParag {
+ public:
+  virtual ~IFDE_TxtEdtParag() {}
+  virtual int32_t GetTextLength() const = 0;
+  virtual int32_t GetStartIndex() const = 0;
+  virtual int32_t CountLines() const = 0;
+  virtual void GetLineRange(int32_t nLineIndex,
+                            int32_t& nStart,
+                            int32_t& nCount) const = 0;
+};
+#endif