XFA: clang-format all pdfium code.

No behavior change.

Generated by:
  find . -name '*.cpp' -o -name '*.h' | \
  grep -E -v 'third_party|thirdparties|lpng_v163|tiff_v403' | \
  xargs ../../buildtools/mac/clang-format -i
Then manually merged https://codereview.chromium.org/1269223002/

See thread "tabs vs spaces" on pdfium@googlegroups.com for discussion.

BUG=none

3 files changed, 1532 insertions, 1458 deletions

diff --git a/fpdfsdk/include/fxedit/fx_edit.h b/fpdfsdk/include/fxedit/fx_edit.h
index d154cb2290..bfe6a254ff 100644
--- a/fpdfsdk/include/fxedit/fx_edit.h
+++ b/fpdfsdk/include/fxedit/fx_edit.h
@@ -35,451 +35,535 @@ struct CPVT_WordPlace;
 struct CPVT_WordProps;
 struct CPVT_WordRange;
 
-#define PVTWORD_STYLE_NORMAL				0x0000L
-#define PVTWORD_STYLE_HIGHLIGHT				0x0001L
-#define PVTWORD_STYLE_UNDERLINE				0x0002L
-#define PVTWORD_STYLE_CROSSOUT				0x0004L
-#define PVTWORD_STYLE_SQUIGGLY				0x0008L
-#define PVTWORD_STYLE_DUALCROSSOUT			0x0010L
-#define PVTWORD_STYLE_BOLD					0x0020L
-#define PVTWORD_STYLE_ITALIC				0x0040L
-
-#define FX_EDIT_ISLATINWORD(u)	(u == 0x2D || (u <= 0x005A && u >= 0x0041) || (u <= 0x007A && u >= 0x0061) || (u <= 0x02AF && u >= 0x00C0))
+#define PVTWORD_STYLE_NORMAL 0x0000L
+#define PVTWORD_STYLE_HIGHLIGHT 0x0001L
+#define PVTWORD_STYLE_UNDERLINE 0x0002L
+#define PVTWORD_STYLE_CROSSOUT 0x0004L
+#define PVTWORD_STYLE_SQUIGGLY 0x0008L
+#define PVTWORD_STYLE_DUALCROSSOUT 0x0010L
+#define PVTWORD_STYLE_BOLD 0x0020L
+#define PVTWORD_STYLE_ITALIC 0x0040L
+
+#define FX_EDIT_ISLATINWORD(u)                  \
+  (u == 0x2D || (u <= 0x005A && u >= 0x0041) || \
+   (u <= 0x007A && u >= 0x0061) || (u <= 0x02AF && u >= 0x00C0))
 
 #ifndef DEFAULT_CHARSET
-#define DEFAULT_CHARSET         1
+#define DEFAULT_CHARSET 1
 #endif
 
-class IFX_Edit_FontMap
-{
-public:
-        virtual ~IFX_Edit_FontMap() { }
-	//map a fontindex to pdf font.
-	virtual CPDF_Font *						GetPDFFont(int32_t nFontIndex) = 0;
-	//get the alias of a pdf font.
-	virtual CFX_ByteString					GetPDFFontAlias(int32_t nFontIndex) = 0;
-	//get the index of a font that can show a word.
-	virtual int32_t						GetWordFontIndex(FX_WORD word, int32_t charset, int32_t nFontIndex) = 0;
-	//get the charcode of word from unicode
-	virtual int32_t						CharCodeFromUnicode(int32_t nFontIndex, FX_WORD word) = 0;
-	//get the charset of unicode
-	virtual int32_t						CharSetFromUnicode(FX_WORD word, int32_t nOldCharset) = 0;
+class IFX_Edit_FontMap {
+ public:
+  virtual ~IFX_Edit_FontMap() {}
+  // map a fontindex to pdf font.
+  virtual CPDF_Font* GetPDFFont(int32_t nFontIndex) = 0;
+  // get the alias of a pdf font.
+  virtual CFX_ByteString GetPDFFontAlias(int32_t nFontIndex) = 0;
+  // get the index of a font that can show a word.
+  virtual int32_t GetWordFontIndex(FX_WORD word,
+                                   int32_t charset,
+                                   int32_t nFontIndex) = 0;
+  // get the charcode of word from unicode
+  virtual int32_t CharCodeFromUnicode(int32_t nFontIndex, FX_WORD word) = 0;
+  // get the charset of unicode
+  virtual int32_t CharSetFromUnicode(FX_WORD word, int32_t nOldCharset) = 0;
 };
 
-class IFX_Edit_Notify
-{
-public:
-        virtual ~IFX_Edit_Notify() { }
-	//set the horizontal scrollbar information.
-	virtual void							IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
-												FX_FLOAT fContentMin, FX_FLOAT fContentMax,
-												FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
-	//set the vertical scrollbar information.
-	virtual void							IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
-												FX_FLOAT fContentMin, FX_FLOAT fContentMax,
-												FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
-	//set the position of horizontal scrollbar.
-	virtual void							IOnSetScrollPosX(FX_FLOAT fx) = 0;
-	//set the position of vertical scrollbar.
-	virtual void							IOnSetScrollPosY(FX_FLOAT fy) = 0;
-	//set the caret information.
-	virtual void							IOnSetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot, const CPVT_WordPlace& place) = 0;
-	//if the caret position is changed ,send the information of current postion to user.
-	virtual void							IOnCaretChange(const CPVT_SecProps & secProps, const CPVT_WordProps & wordProps) = 0;
-	//if the text area is changed, send the information to user.
-	virtual void							IOnContentChange(const CPDF_Rect& rcContent) = 0;
-	//Invalidate the rectangle relative to the bounding box of edit.
-	virtual void							IOnInvalidateRect(CPDF_Rect * pRect) = 0;
+class IFX_Edit_Notify {
+ public:
+  virtual ~IFX_Edit_Notify() {}
+  // set the horizontal scrollbar information.
+  virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin,
+                                 FX_FLOAT fPlateMax,
+                                 FX_FLOAT fContentMin,
+                                 FX_FLOAT fContentMax,
+                                 FX_FLOAT fSmallStep,
+                                 FX_FLOAT fBigStep) = 0;
+  // set the vertical scrollbar information.
+  virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
+                                 FX_FLOAT fPlateMax,
+                                 FX_FLOAT fContentMin,
+                                 FX_FLOAT fContentMax,
+                                 FX_FLOAT fSmallStep,
+                                 FX_FLOAT fBigStep) = 0;
+  // set the position of horizontal scrollbar.
+  virtual void IOnSetScrollPosX(FX_FLOAT fx) = 0;
+  // set the position of vertical scrollbar.
+  virtual void IOnSetScrollPosY(FX_FLOAT fy) = 0;
+  // set the caret information.
+  virtual void IOnSetCaret(FX_BOOL bVisible,
+                           const CPDF_Point& ptHead,
+                           const CPDF_Point& ptFoot,
+                           const CPVT_WordPlace& place) = 0;
+  // if the caret position is changed ,send the information of current postion
+  // to user.
+  virtual void IOnCaretChange(const CPVT_SecProps& secProps,
+                              const CPVT_WordProps& wordProps) = 0;
+  // if the text area is changed, send the information to user.
+  virtual void IOnContentChange(const CPDF_Rect& rcContent) = 0;
+  // Invalidate the rectangle relative to the bounding box of edit.
+  virtual void IOnInvalidateRect(CPDF_Rect* pRect) = 0;
 };
 
-class IFX_Edit_OprNotify
-{
-public:
-        virtual ~IFX_Edit_OprNotify() { }
-
-	//OprType: 0
-	virtual void							OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//OprType: 1
-	virtual void							OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//OprType: 2
-	virtual void							OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//OprType: 3
-	virtual void							OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//OprType: 4
-	virtual void							OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//OprType: 5
-	virtual void							OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//OprType: 6
-	virtual void							OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
-	//
-	virtual void							OnAddUndo(IFX_Edit_UndoItem* pUndoItem) = 0;
+class IFX_Edit_OprNotify {
+ public:
+  virtual ~IFX_Edit_OprNotify() {}
+
+  // OprType: 0
+  virtual void OnInsertWord(const CPVT_WordPlace& place,
+                            const CPVT_WordPlace& oldplace) = 0;
+  // OprType: 1
+  virtual void OnInsertReturn(const CPVT_WordPlace& place,
+                              const CPVT_WordPlace& oldplace) = 0;
+  // OprType: 2
+  virtual void OnBackSpace(const CPVT_WordPlace& place,
+                           const CPVT_WordPlace& oldplace) = 0;
+  // OprType: 3
+  virtual void OnDelete(const CPVT_WordPlace& place,
+                        const CPVT_WordPlace& oldplace) = 0;
+  // OprType: 4
+  virtual void OnClear(const CPVT_WordPlace& place,
+                       const CPVT_WordPlace& oldplace) = 0;
+  // OprType: 5
+  virtual void OnInsertText(const CPVT_WordPlace& place,
+                            const CPVT_WordPlace& oldplace) = 0;
+  // OprType: 6
+  virtual void OnSetText(const CPVT_WordPlace& place,
+                         const CPVT_WordPlace& oldplace) = 0;
+  //
+  virtual void OnAddUndo(IFX_Edit_UndoItem* pUndoItem) = 0;
 };
 
-class IFX_Edit_Iterator
-{
-public:
-	virtual ~IFX_Edit_Iterator()  {}
-public:
-	//move the current position to the next word.
-	virtual FX_BOOL							NextWord() = 0;
-	//move the current position to the next line.
-	virtual FX_BOOL							NextLine() = 0;
-	//move the current position to the next section.
-	virtual FX_BOOL							NextSection() = 0;
-
-	//move the current position to the previous word.
-	virtual FX_BOOL							PrevWord() = 0;
-	//move the current position to the previous line.
-	virtual FX_BOOL							PrevLine() = 0;
-	//move the current position to the previous section.
-	virtual FX_BOOL							PrevSection() = 0;
-
-	//get the information of the current word.
-	virtual FX_BOOL							GetWord(CPVT_Word & word) const = 0;
-	//get the information of the current line.
-	virtual FX_BOOL							GetLine(CPVT_Line & line) const = 0;
-	//get the information of the current section.
-	virtual FX_BOOL							GetSection(CPVT_Section & section) const = 0;
-	//set the current position.
-	virtual void							SetAt(int32_t nWordIndex) = 0;
-	//set the current position.
-	virtual void							SetAt(const CPVT_WordPlace & place) = 0;
-	//get the current position.
-	virtual const CPVT_WordPlace &			GetAt() const = 0;
-
-	//get the edit which this iterator belongs to
-	virtual IFX_Edit*						GetEdit() const = 0;
+class IFX_Edit_Iterator {
+ public:
+  virtual ~IFX_Edit_Iterator() {}
+
+ public:
+  // move the current position to the next word.
+  virtual FX_BOOL NextWord() = 0;
+  // move the current position to the next line.
+  virtual FX_BOOL NextLine() = 0;
+  // move the current position to the next section.
+  virtual FX_BOOL NextSection() = 0;
+
+  // move the current position to the previous word.
+  virtual FX_BOOL PrevWord() = 0;
+  // move the current position to the previous line.
+  virtual FX_BOOL PrevLine() = 0;
+  // move the current position to the previous section.
+  virtual FX_BOOL PrevSection() = 0;
+
+  // get the information of the current word.
+  virtual FX_BOOL GetWord(CPVT_Word& word) const = 0;
+  // get the information of the current line.
+  virtual FX_BOOL GetLine(CPVT_Line& line) const = 0;
+  // get the information of the current section.
+  virtual FX_BOOL GetSection(CPVT_Section& section) const = 0;
+  // set the current position.
+  virtual void SetAt(int32_t nWordIndex) = 0;
+  // set the current position.
+  virtual void SetAt(const CPVT_WordPlace& place) = 0;
+  // get the current position.
+  virtual const CPVT_WordPlace& GetAt() const = 0;
+
+  // get the edit which this iterator belongs to
+  virtual IFX_Edit* GetEdit() const = 0;
 };
 
-class IFX_Edit_UndoItem
-{
-public:
-	virtual ~IFX_Edit_UndoItem() { }
+class IFX_Edit_UndoItem {
+ public:
+  virtual ~IFX_Edit_UndoItem() {}
 
-	virtual void							Undo() = 0;
-	virtual void							Redo() = 0;
-	virtual CFX_WideString					GetUndoTitle() = 0;
+  virtual void Undo() = 0;
+  virtual void Redo() = 0;
+  virtual CFX_WideString GetUndoTitle() = 0;
 };
 
-class IFX_Edit
-{
-public:
-	static IFX_Edit*						NewEdit();
-	static	void							DelEdit(IFX_Edit* pEdit);
-
-        //set a IFX_Edit_FontMap pointer implemented by user.
-	virtual void							SetFontMap(IFX_Edit_FontMap* pFontMap) = 0;
-	//if user don't like to use FontMap, implement VTProvider and set it directly.
-	virtual void							SetVTProvider(IPDF_VariableText_Provider* pProvider) = 0;
-	//set a IFX_Edit_Notify pointer implemented by user.
-	virtual void							SetNotify(IFX_Edit_Notify * pNotify) = 0;
-	virtual void							SetOprNotify(IFX_Edit_OprNotify* pOprNotify) = 0;
-	//get a pointer allocated by CPDF_Edit, by this pointer, user can iterate the contents of edit, but don't need to release.
-	virtual IFX_Edit_Iterator*				GetIterator() = 0;
-	//get a VT pointer relative to this edit.
-	virtual IPDF_VariableText*				GetVariableText() = 0;
-	//get the IFX_Edit_FontMap pointer set by user.
-	virtual IFX_Edit_FontMap*				GetFontMap() = 0;
-
-	//initialize the edit.
-	virtual void							Initialize() = 0;
-
-	//set the bounding box of the text area.
-	virtual void							SetPlateRect(const CPDF_Rect & rect, FX_BOOL bPaint = TRUE) = 0;
-	//set the scroll origin
-	virtual void							SetScrollPos(const CPDF_Point & point) = 0;
-
-	//set the horizontal text alignment in text box, nFormat (0:left 1:middle 2:right).
-	virtual void							SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) = 0;
-	//set the vertical text alignment in text box, nFormat (0:top 1:center 2:bottom).
-	virtual void							SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) = 0;
-	//if the text is shown in secret , set a character for substitute.
-	virtual void							SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE) = 0;
-	//set the maximal count of words of the text.
-	virtual void							SetLimitChar(int32_t nLimitChar = 0, FX_BOOL bPaint = TRUE) = 0;
-	//if set the count of charArray , then all words is shown in equal space.
-	virtual void							SetCharArray(int32_t nCharArray = 0, FX_BOOL bPaint = TRUE) = 0;
-	//set the space of two characters.
-	virtual void							SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE) = 0;
-	//set the horizontal scale of all characters.
-	virtual void							SetHorzScale(int32_t nHorzScale = 100, FX_BOOL bPaint = TRUE) = 0;
-	//set the leading of all lines
-	virtual void							SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE) = 0;
-	//if set, CRLF is allowed.
-	virtual void							SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE) = 0;
-	//if set, all words auto fit the width of the bounding box.
-	virtual void							SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
-	//if set, a font size is calculated to full fit the bounding box.
-	virtual void							SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
-	//is set, the text is allowed to scroll.
-	virtual void							SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
-	//set the font size of all words.
-	virtual void							SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) = 0;
-	//the text is allowed to auto-scroll, allow the text overflow?
-	virtual void							SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE) = 0;
-
-	//query if the edit is richedit.
-	virtual FX_BOOL							IsRichText() const = 0;
-	//set the edit is richedit.
-	virtual void							SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) = 0;
-	//set the fontsize of selected text.
-	virtual FX_BOOL							SetRichFontSize(FX_FLOAT fFontSize) = 0;
-	//set the fontindex of selected text, user can change the font of selected text.
-	virtual FX_BOOL							SetRichFontIndex(int32_t nFontIndex) = 0;
-	//set the textcolor of selected text.
-	virtual FX_BOOL							SetRichTextColor(FX_COLORREF dwColor) = 0;
-	//set the text script type of selected text. (0:normal 1:superscript 2:subscript)
-	virtual FX_BOOL							SetRichTextScript(int32_t nScriptType) = 0;
-	//set the bold font style of selected text.
-	virtual FX_BOOL							SetRichTextBold(FX_BOOL bBold = TRUE) = 0;
-	//set the italic font style of selected text.
-	virtual FX_BOOL							SetRichTextItalic(FX_BOOL bItalic = TRUE) = 0;
-	//set the underline style of selected text.
-	virtual FX_BOOL							SetRichTextUnderline(FX_BOOL bUnderline = TRUE) = 0;
-	//set the crossout style of selected text.
-	virtual FX_BOOL							SetRichTextCrossout(FX_BOOL bCrossout = TRUE) = 0;
-	//set the charspace of selected text, in user coordinate.
-	virtual	FX_BOOL							SetRichTextCharSpace(FX_FLOAT fCharSpace) = 0;
-	//set the horizontal scale of selected text, default value is 100.
-	virtual FX_BOOL							SetRichTextHorzScale(int32_t nHorzScale = 100) = 0;
-	//set the leading of selected section, in user coordinate.
-	virtual FX_BOOL							SetRichTextLineLeading(FX_FLOAT fLineLeading) = 0;
-	//set the indent of selected section, in user coordinate.
-	virtual FX_BOOL							SetRichTextLineIndent(FX_FLOAT fLineIndent) = 0;
-	//set the alignment of selected section, nAlignment(0:left 1:middle 2:right)
-	virtual FX_BOOL							SetRichTextAlignment(int32_t nAlignment) = 0;
-
-	//set the selected range of text.
-	//if nStartChar == 0 and nEndChar == -1, select all the text.
-	virtual void							SetSel(int32_t nStartChar,int32_t nEndChar) = 0;
-	//get the selected range of text.
-	virtual void							GetSel(int32_t & nStartChar, int32_t & nEndChar) const = 0;
-	//select all the text.
-	virtual	void							SelectAll() = 0;
-	//set text is not selected.
-	virtual void							SelectNone() = 0;
-	//get the caret position.
-	virtual int32_t						GetCaret() const = 0;
-	virtual CPVT_WordPlace					GetCaretWordPlace() const = 0;
-	//get the string of selected text.
-	virtual CFX_WideString					GetSelText() const = 0;
-	//get the text conent
-	virtual CFX_WideString					GetText() const = 0;
-	//query if any text is selected.
-	virtual FX_BOOL							IsSelected() const = 0;
-	//get the scroll origin
-	virtual CPDF_Point						GetScrollPos() const = 0;
-	//get the bounding box of the text area.
-	virtual CPDF_Rect						GetPlateRect() const = 0;
-	//get the fact area of the text.
-	virtual CPDF_Rect						GetContentRect() const = 0;
-	//get the visible word range
-	virtual CPVT_WordRange					GetVisibleWordRange() const = 0;
-	//get the whole word range
-	virtual CPVT_WordRange					GetWholeWordRange() const = 0;
-	//get the word range of select text
-	virtual CPVT_WordRange					GetSelectWordRange() const = 0;
-
-	//send the mousedown message to edit for response.
-	//if Shift key is hold, bShift is TRUE, is Ctrl key is hold, bCtrl is TRUE.
-	virtual void							OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the mousemove message to edit when mouse down is TRUE.
-	virtual void							OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the UP key message to edit.
-	virtual void							OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the DOWN key message to edit.
-	virtual void							OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the LEFT key message to edit.
-	virtual void							OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the RIGHT key message to edit.
-	virtual void							OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the HOME key message to edit.
-	virtual void							OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	//send the END key message to edit.
-	virtual void							OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-
-	//put text into edit.
-	virtual void							SetText(const FX_WCHAR* text,int32_t charset = DEFAULT_CHARSET,
-													const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0;
-	//insert a word into the edit.
-	virtual FX_BOOL							InsertWord(FX_WORD word, int32_t charset = DEFAULT_CHARSET, const CPVT_WordProps * pWordProps = NULL) = 0;
-	//insert a return into the edit.
-	virtual FX_BOOL							InsertReturn(const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0;
-	//insert text into the edit.
-	virtual FX_BOOL							InsertText(const FX_WCHAR* text, int32_t charset = DEFAULT_CHARSET,
-													const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0;
-	//do backspace operation.
-	virtual FX_BOOL							Backspace() = 0;
-	//do delete operation.
-	virtual FX_BOOL							Delete() = 0;
-	//delete the selected text.
-	virtual FX_BOOL							Clear() = 0;
-
-	//do Redo operation.
-	virtual FX_BOOL							Redo() = 0;
-	//do Undo operation.
-	virtual FX_BOOL							Undo() = 0;
-	//move caret
-	virtual void							SetCaret(int32_t nPos) = 0;
-
-	//arrange all words over again
-	virtual void							Paint() = 0;
-
-	//allow to refresh screen?
-	virtual void							EnableRefresh(FX_BOOL bRefresh) = 0;
-
-	virtual void							RefreshWordRange(const CPVT_WordRange& wr) = 0;
-
-	//allow undo/redo?
-	virtual void							EnableUndo(FX_BOOL bUndo) = 0;
-
-	//allow notify?
-	virtual void							EnableNotify(FX_BOOL bNotify) = 0;
-
-	//allow opr notify?
-	virtual void							EnableOprNotify(FX_BOOL bNotify) = 0;
-
-	//map word place to word index.
-	virtual int32_t						WordPlaceToWordIndex(const CPVT_WordPlace & place) const = 0;
-	//map word index to word place.
-	virtual CPVT_WordPlace					WordIndexToWordPlace(int32_t index) const = 0;
-
-	//get the beginning position of a line
-	virtual CPVT_WordPlace					GetLineBeginPlace(const CPVT_WordPlace & place) const = 0;
-
-	//get the ending position of a line
-	virtual CPVT_WordPlace					GetLineEndPlace(const CPVT_WordPlace & place) const = 0;
-
-	//get the beginning position of a section
-	virtual CPVT_WordPlace					GetSectionBeginPlace(const CPVT_WordPlace & place) const = 0;
-
-	//get the ending position of a section
-	virtual CPVT_WordPlace					GetSectionEndPlace(const CPVT_WordPlace & place) const = 0;
-
-	//search a wordplace form point
-	virtual CPVT_WordPlace					SearchWordPlace(const CPDF_Point& point) const = 0;
-
-	//get the font size of non_rich text or default font size of richtext.
-	virtual FX_FLOAT						GetFontSize() const = 0;
-	//get the mask character.
-	virtual FX_WORD							GetPasswordChar() const = 0;
-	//get the count of charArray
-	virtual int32_t						GetCharArray() const = 0;
-	//get the horizontal scale of all characters
-	virtual int32_t						GetHorzScale() const = 0;
-	//get the space of two characters
-	virtual FX_FLOAT						GetCharSpace() const = 0;
-	//get the latin words of specified range
-	virtual CFX_WideString					GetRangeText(const CPVT_WordRange & range) const = 0;
-	//is the text full in bounding box
-	virtual FX_BOOL							IsTextFull() const = 0;
-	virtual FX_BOOL							CanUndo() const = 0;
-	virtual FX_BOOL							CanRedo() const = 0;
-	//if the content is changed after settext?
-	virtual FX_BOOL							IsModified() const = 0;
-	//get the total words in edit
-	virtual int32_t						GetTotalWords() const = 0;
-
-	virtual void							AddUndoItem(IFX_Edit_UndoItem* pUndoItem) = 0;
-
-	static CFX_ByteString					GetEditAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset,
-													const CPVT_WordRange* pRange = NULL,
-													FX_BOOL bContinuous = TRUE, FX_WORD SubWord = 0);
-	static CFX_ByteString					GetSelectAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, const CPVT_WordRange* pRange = NULL);
-	static void								DrawEdit(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, FX_COLORREF crTextFill, FX_COLORREF crTextStroke,
-													const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, IFX_SystemHandler* pSystemHandler, void* pFFLData);
-	static void								DrawUnderline(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, FX_COLORREF color,
-													const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange);
-	static void								DrawRichEdit(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit,
-													const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange);
-	static void								GeneratePageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
-													const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF crText, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
-	static void								GenerateRichPageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
-													const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
-	static void								GenerateUnderlineObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
-													const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF color);
-
-protected:
-    ~IFX_Edit() { }
+class IFX_Edit {
+ public:
+  static IFX_Edit* NewEdit();
+  static void DelEdit(IFX_Edit* pEdit);
+
+  // set a IFX_Edit_FontMap pointer implemented by user.
+  virtual void SetFontMap(IFX_Edit_FontMap* pFontMap) = 0;
+  // if user don't like to use FontMap, implement VTProvider and set it
+  // directly.
+  virtual void SetVTProvider(IPDF_VariableText_Provider* pProvider) = 0;
+  // set a IFX_Edit_Notify pointer implemented by user.
+  virtual void SetNotify(IFX_Edit_Notify* pNotify) = 0;
+  virtual void SetOprNotify(IFX_Edit_OprNotify* pOprNotify) = 0;
+  // get a pointer allocated by CPDF_Edit, by this pointer, user can iterate the
+  // contents of edit, but don't need to release.
+  virtual IFX_Edit_Iterator* GetIterator() = 0;
+  // get a VT pointer relative to this edit.
+  virtual IPDF_VariableText* GetVariableText() = 0;
+  // get the IFX_Edit_FontMap pointer set by user.
+  virtual IFX_Edit_FontMap* GetFontMap() = 0;
+
+  // initialize the edit.
+  virtual void Initialize() = 0;
+
+  // set the bounding box of the text area.
+  virtual void SetPlateRect(const CPDF_Rect& rect, FX_BOOL bPaint = TRUE) = 0;
+  // set the scroll origin
+  virtual void SetScrollPos(const CPDF_Point& point) = 0;
+
+  // set the horizontal text alignment in text box, nFormat (0:left 1:middle
+  // 2:right).
+  virtual void SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) = 0;
+  // set the vertical text alignment in text box, nFormat (0:top 1:center
+  // 2:bottom).
+  virtual void SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) = 0;
+  // if the text is shown in secret , set a character for substitute.
+  virtual void SetPasswordChar(FX_WORD wSubWord = '*',
+                               FX_BOOL bPaint = TRUE) = 0;
+  // set the maximal count of words of the text.
+  virtual void SetLimitChar(int32_t nLimitChar = 0, FX_BOOL bPaint = TRUE) = 0;
+  // if set the count of charArray , then all words is shown in equal space.
+  virtual void SetCharArray(int32_t nCharArray = 0, FX_BOOL bPaint = TRUE) = 0;
+  // set the space of two characters.
+  virtual void SetCharSpace(FX_FLOAT fCharSpace = 0.0f,
+                            FX_BOOL bPaint = TRUE) = 0;
+  // set the horizontal scale of all characters.
+  virtual void SetHorzScale(int32_t nHorzScale = 100,
+                            FX_BOOL bPaint = TRUE) = 0;
+  // set the leading of all lines
+  virtual void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE) = 0;
+  // if set, CRLF is allowed.
+  virtual void SetMultiLine(FX_BOOL bMultiLine = TRUE,
+                            FX_BOOL bPaint = TRUE) = 0;
+  // if set, all words auto fit the width of the bounding box.
+  virtual void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
+  // if set, a font size is calculated to full fit the bounding box.
+  virtual void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
+  // is set, the text is allowed to scroll.
+  virtual void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
+  // set the font size of all words.
+  virtual void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) = 0;
+  // the text is allowed to auto-scroll, allow the text overflow?
+  virtual void SetTextOverflow(FX_BOOL bAllowed = FALSE,
+                               FX_BOOL bPaint = TRUE) = 0;
+
+  // query if the edit is richedit.
+  virtual FX_BOOL IsRichText() const = 0;
+  // set the edit is richedit.
+  virtual void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) = 0;
+  // set the fontsize of selected text.
+  virtual FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) = 0;
+  // set the fontindex of selected text, user can change the font of selected
+  // text.
+  virtual FX_BOOL SetRichFontIndex(int32_t nFontIndex) = 0;
+  // set the textcolor of selected text.
+  virtual FX_BOOL SetRichTextColor(FX_COLORREF dwColor) = 0;
+  // set the text script type of selected text. (0:normal 1:superscript
+  // 2:subscript)
+  virtual FX_BOOL SetRichTextScript(int32_t nScriptType) = 0;
+  // set the bold font style of selected text.
+  virtual FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) = 0;
+  // set the italic font style of selected text.
+  virtual FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) = 0;
+  // set the underline style of selected text.
+  virtual FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) = 0;
+  // set the crossout style of selected text.
+  virtual FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) = 0;
+  // set the charspace of selected text, in user coordinate.
+  virtual FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) = 0;
+  // set the horizontal scale of selected text, default value is 100.
+  virtual FX_BOOL SetRichTextHorzScale(int32_t nHorzScale = 100) = 0;
+  // set the leading of selected section, in user coordinate.
+  virtual FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) = 0;
+  // set the indent of selected section, in user coordinate.
+  virtual FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) = 0;
+  // set the alignment of selected section, nAlignment(0:left 1:middle 2:right)
+  virtual FX_BOOL SetRichTextAlignment(int32_t nAlignment) = 0;
+
+  // set the selected range of text.
+  // if nStartChar == 0 and nEndChar == -1, select all the text.
+  virtual void SetSel(int32_t nStartChar, int32_t nEndChar) = 0;
+  // get the selected range of text.
+  virtual void GetSel(int32_t& nStartChar, int32_t& nEndChar) const = 0;
+  // select all the text.
+  virtual void SelectAll() = 0;
+  // set text is not selected.
+  virtual void SelectNone() = 0;
+  // get the caret position.
+  virtual int32_t GetCaret() const = 0;
+  virtual CPVT_WordPlace GetCaretWordPlace() const = 0;
+  // get the string of selected text.
+  virtual CFX_WideString GetSelText() const = 0;
+  // get the text conent
+  virtual CFX_WideString GetText() const = 0;
+  // query if any text is selected.
+  virtual FX_BOOL IsSelected() const = 0;
+  // get the scroll origin
+  virtual CPDF_Point GetScrollPos() const = 0;
+  // get the bounding box of the text area.
+  virtual CPDF_Rect GetPlateRect() const = 0;
+  // get the fact area of the text.
+  virtual CPDF_Rect GetContentRect() const = 0;
+  // get the visible word range
+  virtual CPVT_WordRange GetVisibleWordRange() const = 0;
+  // get the whole word range
+  virtual CPVT_WordRange GetWholeWordRange() const = 0;
+  // get the word range of select text
+  virtual CPVT_WordRange GetSelectWordRange() const = 0;
+
+  // send the mousedown message to edit for response.
+  // if Shift key is hold, bShift is TRUE, is Ctrl key is hold, bCtrl is TRUE.
+  virtual void OnMouseDown(const CPDF_Point& point,
+                           FX_BOOL bShift,
+                           FX_BOOL bCtrl) = 0;
+  // send the mousemove message to edit when mouse down is TRUE.
+  virtual void OnMouseMove(const CPDF_Point& point,
+                           FX_BOOL bShift,
+                           FX_BOOL bCtrl) = 0;
+  // send the UP key message to edit.
+  virtual void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  // send the DOWN key message to edit.
+  virtual void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  // send the LEFT key message to edit.
+  virtual void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  // send the RIGHT key message to edit.
+  virtual void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  // send the HOME key message to edit.
+  virtual void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  // send the END key message to edit.
+  virtual void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+
+  // put text into edit.
+  virtual void SetText(const FX_WCHAR* text,
+                       int32_t charset = DEFAULT_CHARSET,
+                       const CPVT_SecProps* pSecProps = NULL,
+                       const CPVT_WordProps* pWordProps = NULL) = 0;
+  // insert a word into the edit.
+  virtual FX_BOOL InsertWord(FX_WORD word,
+                             int32_t charset = DEFAULT_CHARSET,
+                             const CPVT_WordProps* pWordProps = NULL) = 0;
+  // insert a return into the edit.
+  virtual FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps = NULL,
+                               const CPVT_WordProps* pWordProps = NULL) = 0;
+  // insert text into the edit.
+  virtual FX_BOOL InsertText(const FX_WCHAR* text,
+                             int32_t charset = DEFAULT_CHARSET,
+                             const CPVT_SecProps* pSecProps = NULL,
+                             const CPVT_WordProps* pWordProps = NULL) = 0;
+  // do backspace operation.
+  virtual FX_BOOL Backspace() = 0;
+  // do delete operation.
+  virtual FX_BOOL Delete() = 0;
+  // delete the selected text.
+  virtual FX_BOOL Clear() = 0;
+
+  // do Redo operation.
+  virtual FX_BOOL Redo() = 0;
+  // do Undo operation.
+  virtual FX_BOOL Undo() = 0;
+  // move caret
+  virtual void SetCaret(int32_t nPos) = 0;
+
+  // arrange all words over again
+  virtual void Paint() = 0;
+
+  // allow to refresh screen?
+  virtual void EnableRefresh(FX_BOOL bRefresh) = 0;
+
+  virtual void RefreshWordRange(const CPVT_WordRange& wr) = 0;
+
+  // allow undo/redo?
+  virtual void EnableUndo(FX_BOOL bUndo) = 0;
+
+  // allow notify?
+  virtual void EnableNotify(FX_BOOL bNotify) = 0;
+
+  // allow opr notify?
+  virtual void EnableOprNotify(FX_BOOL bNotify) = 0;
+
+  // map word place to word index.
+  virtual int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const = 0;
+  // map word index to word place.
+  virtual CPVT_WordPlace WordIndexToWordPlace(int32_t index) const = 0;
+
+  // get the beginning position of a line
+  virtual CPVT_WordPlace GetLineBeginPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  // get the ending position of a line
+  virtual CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace& place) const = 0;
+
+  // get the beginning position of a section
+  virtual CPVT_WordPlace GetSectionBeginPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  // get the ending position of a section
+  virtual CPVT_WordPlace GetSectionEndPlace(
+      const CPVT_WordPlace& place) const = 0;
+
+  // search a wordplace form point
+  virtual CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const = 0;
+
+  // get the font size of non_rich text or default font size of richtext.
+  virtual FX_FLOAT GetFontSize() const = 0;
+  // get the mask character.
+  virtual FX_WORD GetPasswordChar() const = 0;
+  // get the count of charArray
+  virtual int32_t GetCharArray() const = 0;
+  // get the horizontal scale of all characters
+  virtual int32_t GetHorzScale() const = 0;
+  // get the space of two characters
+  virtual FX_FLOAT GetCharSpace() const = 0;
+  // get the latin words of specified range
+  virtual CFX_WideString GetRangeText(const CPVT_WordRange& range) const = 0;
+  // is the text full in bounding box
+  virtual FX_BOOL IsTextFull() const = 0;
+  virtual FX_BOOL CanUndo() const = 0;
+  virtual FX_BOOL CanRedo() const = 0;
+  // if the content is changed after settext?
+  virtual FX_BOOL IsModified() const = 0;
+  // get the total words in edit
+  virtual int32_t GetTotalWords() const = 0;
+
+  virtual void AddUndoItem(IFX_Edit_UndoItem* pUndoItem) = 0;
+
+  static CFX_ByteString GetEditAppearanceStream(
+      IFX_Edit* pEdit,
+      const CPDF_Point& ptOffset,
+      const CPVT_WordRange* pRange = NULL,
+      FX_BOOL bContinuous = TRUE,
+      FX_WORD SubWord = 0);
+  static CFX_ByteString GetSelectAppearanceStream(
+      IFX_Edit* pEdit,
+      const CPDF_Point& ptOffset,
+      const CPVT_WordRange* pRange = NULL);
+  static void DrawEdit(CFX_RenderDevice* pDevice,
+                       CPDF_Matrix* pUser2Device,
+                       IFX_Edit* pEdit,
+                       FX_COLORREF crTextFill,
+                       FX_COLORREF crTextStroke,
+                       const CPDF_Rect& rcClip,
+                       const CPDF_Point& ptOffset,
+                       const CPVT_WordRange* pRange,
+                       IFX_SystemHandler* pSystemHandler,
+                       void* pFFLData);
+  static void DrawUnderline(CFX_RenderDevice* pDevice,
+                            CPDF_Matrix* pUser2Device,
+                            IFX_Edit* pEdit,
+                            FX_COLORREF color,
+                            const CPDF_Rect& rcClip,
+                            const CPDF_Point& ptOffset,
+                            const CPVT_WordRange* pRange);
+  static void DrawRichEdit(CFX_RenderDevice* pDevice,
+                           CPDF_Matrix* pUser2Device,
+                           IFX_Edit* pEdit,
+                           const CPDF_Rect& rcClip,
+                           const CPDF_Point& ptOffset,
+                           const CPVT_WordRange* pRange);
+  static void GeneratePageObjects(
+      CPDF_PageObjects* pPageObjects,
+      IFX_Edit* pEdit,
+      const CPDF_Point& ptOffset,
+      const CPVT_WordRange* pRange,
+      FX_COLORREF crText,
+      CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
+  static void GenerateRichPageObjects(
+      CPDF_PageObjects* pPageObjects,
+      IFX_Edit* pEdit,
+      const CPDF_Point& ptOffset,
+      const CPVT_WordRange* pRange,
+      CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
+  static void GenerateUnderlineObjects(CPDF_PageObjects* pPageObjects,
+                                       IFX_Edit* pEdit,
+                                       const CPDF_Point& ptOffset,
+                                       const CPVT_WordRange* pRange,
+                                       FX_COLORREF color);
+
+ protected:
+  ~IFX_Edit() {}
 };
 
-class IFX_List_Notify
-{
-public:
-        virtual ~IFX_List_Notify() { }
-	//set the horizontal scrollbar information.
-	virtual void							IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
-												FX_FLOAT fContentMin, FX_FLOAT fContentMax,
-												FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
-	//set the vertical scrollbar information.
-	virtual void							IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
-												FX_FLOAT fContentMin, FX_FLOAT fContentMax,
-												FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
-	//set the position of horizontal scrollbar.
-	virtual void							IOnSetScrollPosX(FX_FLOAT fx) = 0;
-	//set the position of vertical scrollbar.
-	virtual void							IOnSetScrollPosY(FX_FLOAT fy) = 0;
-	//Invalidate the rectangle relative to the bounding box of edit.
-	virtual void							IOnInvalidateRect(CPDF_Rect * pRect) = 0;
+class IFX_List_Notify {
+ public:
+  virtual ~IFX_List_Notify() {}
+  // set the horizontal scrollbar information.
+  virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin,
+                                 FX_FLOAT fPlateMax,
+                                 FX_FLOAT fContentMin,
+                                 FX_FLOAT fContentMax,
+                                 FX_FLOAT fSmallStep,
+                                 FX_FLOAT fBigStep) = 0;
+  // set the vertical scrollbar information.
+  virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin,
+                                 FX_FLOAT fPlateMax,
+                                 FX_FLOAT fContentMin,
+                                 FX_FLOAT fContentMax,
+                                 FX_FLOAT fSmallStep,
+                                 FX_FLOAT fBigStep) = 0;
+  // set the position of horizontal scrollbar.
+  virtual void IOnSetScrollPosX(FX_FLOAT fx) = 0;
+  // set the position of vertical scrollbar.
+  virtual void IOnSetScrollPosY(FX_FLOAT fy) = 0;
+  // Invalidate the rectangle relative to the bounding box of edit.
+  virtual void IOnInvalidateRect(CPDF_Rect* pRect) = 0;
 };
 
-class IFX_List
-{
-public:
-	static IFX_List*						NewList();
-	static void								DelList(IFX_List* pList);
-
-	virtual void							SetFontMap(IFX_Edit_FontMap * pFontMap) = 0;
-	virtual void							SetNotify(IFX_List_Notify * pNotify) = 0;
-
-	virtual void							SetPlateRect(const CPDF_Rect & rect) = 0;
-	virtual void							SetFontSize(FX_FLOAT fFontSize) = 0;
-
-	virtual CPDF_Rect						GetPlateRect() const = 0;
-	virtual CPDF_Rect						GetContentRect() const = 0;
-
-	virtual FX_FLOAT						GetFontSize() const = 0;
-	virtual IFX_Edit*						GetItemEdit(int32_t nIndex) const = 0;
-	virtual int32_t						GetCount() const = 0;
-	virtual FX_BOOL							IsItemSelected(int32_t nIndex) const = 0;
-	virtual FX_FLOAT						GetFirstHeight() const = 0;
-
-	virtual void							SetMultipleSel(FX_BOOL bMultiple) = 0;
-	virtual FX_BOOL							IsMultipleSel() const = 0;
-	virtual FX_BOOL							IsValid(int32_t nItemIndex) const = 0;
-	virtual int32_t						FindNext(int32_t nIndex,FX_WCHAR nChar) const = 0;
-
-	virtual void							SetScrollPos(const CPDF_Point & point) = 0;
-	virtual void							ScrollToListItem(int32_t nItemIndex) = 0;
-	virtual CPDF_Rect						GetItemRect(int32_t nIndex) const = 0;
-	virtual int32_t						GetCaret() const = 0;
-	virtual int32_t						GetSelect() const = 0;
-	virtual int32_t						GetTopItem() const = 0;
-	virtual int32_t						GetItemIndex(const CPDF_Point & point) const = 0;
-	virtual int32_t						GetFirstSelected() const = 0;
-
-	virtual void							AddString(const FX_WCHAR* string) = 0;
-	virtual void							SetTopItem(int32_t nIndex) = 0;
-	virtual void							Select(int32_t nItemIndex) = 0;
-	virtual void							SetCaret(int32_t nItemIndex) = 0;
-	virtual void							Empty() = 0;
-	virtual void							Cancel() = 0;
-	virtual CFX_WideString					GetText() const = 0;
-
-
-	virtual void							OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual void							OnVK(int32_t nItemIndex,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-	virtual FX_BOOL							OnChar(FX_WORD nChar,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
-
-protected:
-        ~IFX_List() { }
+class IFX_List {
+ public:
+  static IFX_List* NewList();
+  static void DelList(IFX_List* pList);
+
+  virtual void SetFontMap(IFX_Edit_FontMap* pFontMap) = 0;
+  virtual void SetNotify(IFX_List_Notify* pNotify) = 0;
+
+  virtual void SetPlateRect(const CPDF_Rect& rect) = 0;
+  virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
+
+  virtual CPDF_Rect GetPlateRect() const = 0;
+  virtual CPDF_Rect GetContentRect() const = 0;
+
+  virtual FX_FLOAT GetFontSize() const = 0;
+  virtual IFX_Edit* GetItemEdit(int32_t nIndex) const = 0;
+  virtual int32_t GetCount() const = 0;
+  virtual FX_BOOL IsItemSelected(int32_t nIndex) const = 0;
+  virtual FX_FLOAT GetFirstHeight() const = 0;
+
+  virtual void SetMultipleSel(FX_BOOL bMultiple) = 0;
+  virtual FX_BOOL IsMultipleSel() const = 0;
+  virtual FX_BOOL IsValid(int32_t nItemIndex) const = 0;
+  virtual int32_t FindNext(int32_t nIndex, FX_WCHAR nChar) const = 0;
+
+  virtual void SetScrollPos(const CPDF_Point& point) = 0;
+  virtual void ScrollToListItem(int32_t nItemIndex) = 0;
+  virtual CPDF_Rect GetItemRect(int32_t nIndex) const = 0;
+  virtual int32_t GetCaret() const = 0;
+  virtual int32_t GetSelect() const = 0;
+  virtual int32_t GetTopItem() const = 0;
+  virtual int32_t GetItemIndex(const CPDF_Point& point) const = 0;
+  virtual int32_t GetFirstSelected() const = 0;
+
+  virtual void AddString(const FX_WCHAR* string) = 0;
+  virtual void SetTopItem(int32_t nIndex) = 0;
+  virtual void Select(int32_t nItemIndex) = 0;
+  virtual void SetCaret(int32_t nItemIndex) = 0;
+  virtual void Empty() = 0;
+  virtual void Cancel() = 0;
+  virtual CFX_WideString GetText() const = 0;
+
+  virtual void OnMouseDown(const CPDF_Point& point,
+                           FX_BOOL bShift,
+                           FX_BOOL bCtrl) = 0;
+  virtual void OnMouseMove(const CPDF_Point& point,
+                           FX_BOOL bShift,
+                           FX_BOOL bCtrl) = 0;
+  virtual void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual void OnVK(int32_t nItemIndex, FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+  virtual FX_BOOL OnChar(FX_WORD nChar, FX_BOOL bShift, FX_BOOL bCtrl) = 0;
+
+ protected:
+  ~IFX_List() {}
 };
 
 #endif  // FPDFSDK_INCLUDE_FXEDIT_FX_EDIT_H_
diff --git a/fpdfsdk/include/fxedit/fxet_edit.h b/fpdfsdk/include/fxedit/fxet_edit.h
index 7a2742f0ee..d654ebc451 100644
--- a/fpdfsdk/include/fxedit/fxet_edit.h
+++ b/fpdfsdk/include/fxedit/fxet_edit.h
@@ -23,795 +23,801 @@ class CFX_Edit_UndoItem;
 class CFX_Edit_Undo;
 class CFX_Edit_Provider;
 
-#define FX_EDIT_IsFloatZero(f)						(f < 0.0001 && f > -0.0001)
-#define FX_EDIT_IsFloatEqual(fa,fb)					FX_EDIT_IsFloatZero(fa - fb)
-#define FX_EDIT_IsFloatBigger(fa,fb)				(fa > fb && !FX_EDIT_IsFloatEqual(fa,fb))
-#define FX_EDIT_IsFloatSmaller(fa,fb)				(fa < fb && !FX_EDIT_IsFloatEqual(fa,fb))
+#define FX_EDIT_IsFloatZero(f) (f < 0.0001 && f > -0.0001)
+#define FX_EDIT_IsFloatEqual(fa, fb) FX_EDIT_IsFloatZero(fa - fb)
+#define FX_EDIT_IsFloatBigger(fa, fb) (fa > fb && !FX_EDIT_IsFloatEqual(fa, fb))
+#define FX_EDIT_IsFloatSmaller(fa, fb) \
+  (fa < fb && !FX_EDIT_IsFloatEqual(fa, fb))
+
+template <class T>
+T FX_EDIT_MIN(const T& i, const T& j) {
+  return ((i < j) ? i : j);
+}
+template <class T>
+T FX_EDIT_MAX(const T& i, const T& j) {
+  return ((i > j) ? i : j);
+}
+
+#define FX_EDIT_PI 3.14159265358979f
+#define FX_EDIT_ITALIC_ANGEL 10 * FX_EDIT_PI / 180.0f
 
-template<class T> T FX_EDIT_MIN (const T & i, const T & j) { return ((i < j) ? i : j); }
-template<class T> T FX_EDIT_MAX (const T & i, const T & j) { return ((i > j) ? i : j); }
+/* ------------------------- CFX_Edit_Refresh ---------------------------- */
 
-#define	FX_EDIT_PI									3.14159265358979f
-#define FX_EDIT_ITALIC_ANGEL						10 * FX_EDIT_PI / 180.0f
+enum REFRESH_PLAN_E { RP_ANALYSE, RP_NOANALYSE, RP_OPTIONAL };
+
+enum EDIT_PROPS_E {
+  EP_LINELEADING,
+  EP_LINEINDENT,
+  EP_ALIGNMENT,
+  EP_FONTINDEX,
+  EP_FONTSIZE,
+  EP_WORDCOLOR,
+  EP_SCRIPTTYPE,
+  EP_UNDERLINE,
+  EP_CROSSOUT,
+  EP_CHARSPACE,
+  EP_HORZSCALE,
+  EP_BOLD,
+  EP_ITALIC
+};
 
+struct CFX_Edit_LineRect {
+  CFX_Edit_LineRect(const CPVT_WordRange& wrLine, const CPDF_Rect& rcLine)
+      : m_wrLine(wrLine), m_rcLine(rcLine) {}
 
-/* ------------------------- CFX_Edit_Refresh ---------------------------- */
+  FX_BOOL operator!=(const CFX_Edit_LineRect& linerect) const {
+    return FXSYS_memcmp(this, &linerect, sizeof(CFX_Edit_LineRect)) != 0;
+  }
 
-enum REFRESH_PLAN_E
-{
-	RP_ANALYSE,
-	RP_NOANALYSE,
-	RP_OPTIONAL
-};
+  FX_BOOL IsSameHeight(const CFX_Edit_LineRect& linerect) const {
+    return FX_EDIT_IsFloatZero(
+        (m_rcLine.top - m_rcLine.bottom) -
+        (linerect.m_rcLine.top - linerect.m_rcLine.bottom));
+  }
 
-enum EDIT_PROPS_E
-{
-	EP_LINELEADING,
-	EP_LINEINDENT,
-	EP_ALIGNMENT,
-	EP_FONTINDEX,
-	EP_FONTSIZE,
-	EP_WORDCOLOR,
-	EP_SCRIPTTYPE,
-	EP_UNDERLINE,
-	EP_CROSSOUT,
-	EP_CHARSPACE,
-	EP_HORZSCALE,
-	EP_BOLD,
-	EP_ITALIC
-};
+  FX_BOOL IsSameTop(const CFX_Edit_LineRect& linerect) const {
+    return FX_EDIT_IsFloatZero(m_rcLine.top - linerect.m_rcLine.top);
+  }
 
-struct CFX_Edit_LineRect
-{
-	CFX_Edit_LineRect(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine) :
-		m_wrLine(wrLine), m_rcLine(rcLine)
-	{
-	}
-
-	FX_BOOL operator != (const CFX_Edit_LineRect & linerect) const
-	{
-		return FXSYS_memcmp(this, &linerect, sizeof(CFX_Edit_LineRect)) != 0;
-	}
-
-	FX_BOOL IsSameHeight(const CFX_Edit_LineRect & linerect) const
-	{
-		return FX_EDIT_IsFloatZero((m_rcLine.top - m_rcLine.bottom) - (linerect.m_rcLine.top -linerect.m_rcLine.bottom));
-	}
-
-	FX_BOOL IsSameTop(const CFX_Edit_LineRect & linerect) const
-	{
-		return FX_EDIT_IsFloatZero(m_rcLine.top - linerect.m_rcLine.top);
-	}
-
-	FX_BOOL IsSameLeft(const CFX_Edit_LineRect & linerect) const
-	{
-		return FX_EDIT_IsFloatZero(m_rcLine.left - linerect.m_rcLine.left);
-	}
-
-	FX_BOOL IsSameRight(const CFX_Edit_LineRect & linerect) const
-	{
-		return FX_EDIT_IsFloatZero(m_rcLine.right - linerect.m_rcLine.right);
-	}
-
-	CPVT_WordRange							m_wrLine;
-	CPDF_Rect								m_rcLine;
-};
+  FX_BOOL IsSameLeft(const CFX_Edit_LineRect& linerect) const {
+    return FX_EDIT_IsFloatZero(m_rcLine.left - linerect.m_rcLine.left);
+  }
 
-class CFX_Edit_LineRectArray
-{
-public:
-	CFX_Edit_LineRectArray()
-	{
-	}
-
-	virtual ~CFX_Edit_LineRectArray()
-	{
-		Empty();
-	}
-
-	void Empty()
-	{
-		for (int32_t i = 0, sz = m_LineRects.GetSize(); i < sz; i++)
-			delete m_LineRects.GetAt(i);
-
-		m_LineRects.RemoveAll();
-	}
-
-	void RemoveAll()
-	{
-		m_LineRects.RemoveAll();
-	}
-
-	void operator = (CFX_Edit_LineRectArray & rects)
-	{
-		Empty();
-		for (int32_t i = 0, sz = rects.GetSize(); i < sz; i++)
-			m_LineRects.Add(rects.GetAt(i));
-
-		rects.RemoveAll();
-	}
-
-	void Add(const CPVT_WordRange & wrLine,const CPDF_Rect & rcLine)
-	{
-		if (CFX_Edit_LineRect * pRect = new CFX_Edit_LineRect(wrLine,rcLine))
-			m_LineRects.Add(pRect);
-	}
-
-	int32_t GetSize() const
-	{
-		return m_LineRects.GetSize();
-	}
-
-	CFX_Edit_LineRect * GetAt(int32_t nIndex) const
-	{
-		if (nIndex < 0 || nIndex >= m_LineRects.GetSize())
-			return NULL;
-
-		return m_LineRects.GetAt(nIndex);
-	}
-
-	CFX_ArrayTemplate<CFX_Edit_LineRect*>		m_LineRects;
-};
+  FX_BOOL IsSameRight(const CFX_Edit_LineRect& linerect) const {
+    return FX_EDIT_IsFloatZero(m_rcLine.right - linerect.m_rcLine.right);
+  }
 
-class CFX_Edit_RectArray
-{
-public:
-	CFX_Edit_RectArray()
-	{
-	}
-
-	virtual ~CFX_Edit_RectArray()
-	{
-		Empty();
-	}
-
-	void Empty()
-	{
-		for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++)
-			delete m_Rects.GetAt(i);
-
-		m_Rects.RemoveAll();
-	}
-
-	void Add(const CPDF_Rect & rect)
-	{
-		//check for overlaped area
-		for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++)
-			if (CPDF_Rect * pRect = m_Rects.GetAt(i))
-				if (pRect->Contains(rect))return;
-
-		if (CPDF_Rect * pNewRect = new CPDF_Rect(rect))
-			m_Rects.Add(pNewRect);
-	}
-
-	int32_t GetSize() const
-	{
-		return m_Rects.GetSize();
-	}
-
-	CPDF_Rect * GetAt(int32_t nIndex) const
-	{
-		if (nIndex < 0 || nIndex >= m_Rects.GetSize())
-			return NULL;
-
-		return m_Rects.GetAt(nIndex);
-	}
-
-	CFX_ArrayTemplate<CPDF_Rect*>			m_Rects;
+  CPVT_WordRange m_wrLine;
+  CPDF_Rect m_rcLine;
 };
 
-class CFX_Edit_Refresh
-{
-public:
-	CFX_Edit_Refresh();
-	virtual ~CFX_Edit_Refresh();
-
-	void									BeginRefresh();
-	void									Push(const CPVT_WordRange & linerange,const CPDF_Rect & rect);
-	void									NoAnalyse();
-	void									Analyse(int32_t nAlignment);
-	void									AddRefresh(const CPDF_Rect & rect);
-	const CFX_Edit_RectArray *				GetRefreshRects() const;
-	void									EndRefresh();
-
-private:
-	CFX_Edit_LineRectArray					m_NewLineRects;
-	CFX_Edit_LineRectArray					m_OldLineRects;
-	CFX_Edit_RectArray						m_RefreshRects;
-};
+class CFX_Edit_LineRectArray {
+ public:
+  CFX_Edit_LineRectArray() {}
 
+  virtual ~CFX_Edit_LineRectArray() { Empty(); }
 
-/* ------------------------- CFX_Edit_Select ---------------------------- */
+  void Empty() {
+    for (int32_t i = 0, sz = m_LineRects.GetSize(); i < sz; i++)
+      delete m_LineRects.GetAt(i);
+
+    m_LineRects.RemoveAll();
+  }
+
+  void RemoveAll() { m_LineRects.RemoveAll(); }
 
-class CFX_Edit_Select
-{
-public:
-	CFX_Edit_Select()
-	{
-	}
-
-	CFX_Edit_Select(const CPVT_WordPlace & begin,const CPVT_WordPlace & end)
-	{
-		Set(begin,end);
-	}
-
-	CFX_Edit_Select(const CPVT_WordRange & range)
-	{
-		Set(range.BeginPos,range.EndPos);
-	}
-
-	CPVT_WordRange ConvertToWordRange() const
-	{
-		return CPVT_WordRange(BeginPos, EndPos);
-	}
-
-	void Default()
-	{
-		BeginPos.Default();
-		EndPos.Default();
-	}
-
-	void Set(const CPVT_WordPlace & begin,const CPVT_WordPlace & end)
-	{
-		BeginPos = begin;
-		EndPos = end;
-	}
-
-	void SetBeginPos(const CPVT_WordPlace & begin)
-	{
-		BeginPos = begin;
-	}
-
-	void SetEndPos(const CPVT_WordPlace & end)
-	{
-		EndPos = end;
-	}
-
-	FX_BOOL IsExist() const
-	{
-		return BeginPos != EndPos;
-	}
-
-	FX_BOOL operator != (const CPVT_WordRange & wr) const
-	{
-		return wr.BeginPos != BeginPos || wr.EndPos != EndPos;
-	}
-
-	CPVT_WordPlace BeginPos,EndPos;
+  void operator=(CFX_Edit_LineRectArray& rects) {
+    Empty();
+    for (int32_t i = 0, sz = rects.GetSize(); i < sz; i++)
+      m_LineRects.Add(rects.GetAt(i));
+
+    rects.RemoveAll();
+  }
+
+  void Add(const CPVT_WordRange& wrLine, const CPDF_Rect& rcLine) {
+    if (CFX_Edit_LineRect* pRect = new CFX_Edit_LineRect(wrLine, rcLine))
+      m_LineRects.Add(pRect);
+  }
+
+  int32_t GetSize() const { return m_LineRects.GetSize(); }
+
+  CFX_Edit_LineRect* GetAt(int32_t nIndex) const {
+    if (nIndex < 0 || nIndex >= m_LineRects.GetSize())
+      return NULL;
+
+    return m_LineRects.GetAt(nIndex);
+  }
+
+  CFX_ArrayTemplate<CFX_Edit_LineRect*> m_LineRects;
 };
 
-/* ------------------------- CFX_Edit_Undo ---------------------------- */
+class CFX_Edit_RectArray {
+ public:
+  CFX_Edit_RectArray() {}
 
-class CFX_Edit_Undo
-{
-public:
-	CFX_Edit_Undo(int32_t nBufsize = 10000);
-	virtual ~CFX_Edit_Undo();
+  virtual ~CFX_Edit_RectArray() { Empty(); }
 
-	void									Undo();
-	void									Redo();
+  void Empty() {
+    for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++)
+      delete m_Rects.GetAt(i);
 
-	void									AddItem(IFX_Edit_UndoItem* pItem);
+    m_Rects.RemoveAll();
+  }
 
-	FX_BOOL									CanUndo() const;
-	FX_BOOL									CanRedo() const;
-	FX_BOOL									IsModified() const;
-	FX_BOOL									IsWorking() const;
+  void Add(const CPDF_Rect& rect) {
+    // check for overlaped area
+    for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++)
+      if (CPDF_Rect* pRect = m_Rects.GetAt(i))
+        if (pRect->Contains(rect))
+          return;
 
-	void									Reset();
+    if (CPDF_Rect* pNewRect = new CPDF_Rect(rect))
+      m_Rects.Add(pNewRect);
+  }
 
-	IFX_Edit_UndoItem*						GetItem(int32_t nIndex);
-	int32_t								GetItemCount(){return m_UndoItemStack.GetSize();}
-	int32_t								GetCurUndoPos(){return m_nCurUndoPos;}
+  int32_t GetSize() const { return m_Rects.GetSize(); }
 
-private:
-	void									SetBufSize(int32_t nSize){m_nBufSize = nSize;}
-	int32_t								GetBufSize(){return m_nBufSize;}
+  CPDF_Rect* GetAt(int32_t nIndex) const {
+    if (nIndex < 0 || nIndex >= m_Rects.GetSize())
+      return NULL;
 
-	void									RemoveHeads();
-	void									RemoveTails();
+    return m_Rects.GetAt(nIndex);
+  }
 
-private:
-	CFX_ArrayTemplate<IFX_Edit_UndoItem*>	m_UndoItemStack;
+  CFX_ArrayTemplate<CPDF_Rect*> m_Rects;
+};
 
-	int32_t								m_nCurUndoPos;
-	int32_t								m_nBufSize;
-	FX_BOOL									m_bModified;
-	FX_BOOL									m_bVirgin;
-	FX_BOOL									m_bWorking;
+class CFX_Edit_Refresh {
+ public:
+  CFX_Edit_Refresh();
+  virtual ~CFX_Edit_Refresh();
+
+  void BeginRefresh();
+  void Push(const CPVT_WordRange& linerange, const CPDF_Rect& rect);
+  void NoAnalyse();
+  void Analyse(int32_t nAlignment);
+  void AddRefresh(const CPDF_Rect& rect);
+  const CFX_Edit_RectArray* GetRefreshRects() const;
+  void EndRefresh();
+
+ private:
+  CFX_Edit_LineRectArray m_NewLineRects;
+  CFX_Edit_LineRectArray m_OldLineRects;
+  CFX_Edit_RectArray m_RefreshRects;
 };
 
-class CFX_Edit_UndoItem : public IFX_Edit_UndoItem
-{
-public:
-	CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {}
+/* ------------------------- CFX_Edit_Select ---------------------------- */
 
-	CFX_WideString GetUndoTitle() override { return L""; }
+class CFX_Edit_Select {
+ public:
+  CFX_Edit_Select() {}
 
-	void									SetFirst(FX_BOOL bFirst){m_bFirst = bFirst;}
-	FX_BOOL									IsFirst(){return m_bFirst;}
-	void									SetLast(FX_BOOL bLast){m_bLast = bLast;}
-	FX_BOOL									IsLast(){return m_bLast;}
+  CFX_Edit_Select(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
+    Set(begin, end);
+  }
 
-private:
-	FX_BOOL									m_bFirst;
-	FX_BOOL									m_bLast;
-};
+  CFX_Edit_Select(const CPVT_WordRange& range) {
+    Set(range.BeginPos, range.EndPos);
+  }
 
-class CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem
-{
-public:
-	CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle);
-	~CFX_Edit_GroupUndoItem() override;
+  CPVT_WordRange ConvertToWordRange() const {
+    return CPVT_WordRange(BeginPos, EndPos);
+  }
 
-	void							Undo() override;
-	void							Redo() override;
-	CFX_WideString					GetUndoTitle() override;
+  void Default() {
+    BeginPos.Default();
+    EndPos.Default();
+  }
 
-	void									AddUndoItem(CFX_Edit_UndoItem* pUndoItem);
-	void									UpdateItems();
+  void Set(const CPVT_WordPlace& begin, const CPVT_WordPlace& end) {
+    BeginPos = begin;
+    EndPos = end;
+  }
 
-private:
-	CFX_WideString							m_sTitle;
-	CFX_ArrayTemplate<CFX_Edit_UndoItem*>	m_Items;
+  void SetBeginPos(const CPVT_WordPlace& begin) { BeginPos = begin; }
+
+  void SetEndPos(const CPVT_WordPlace& end) { EndPos = end; }
+
+  FX_BOOL IsExist() const { return BeginPos != EndPos; }
+
+  FX_BOOL operator!=(const CPVT_WordRange& wr) const {
+    return wr.BeginPos != BeginPos || wr.EndPos != EndPos;
+  }
+
+  CPVT_WordPlace BeginPos, EndPos;
 };
 
-/* ------------------------- CFX_Edit_UndoItem derived classes ---------------------------- */
+/* ------------------------- CFX_Edit_Undo ---------------------------- */
 
-class CFXEU_InsertWord : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_InsertWord(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
-		FX_WORD word, int32_t charset, const CPVT_WordProps * pWordProps);
-	virtual ~CFXEU_InsertWord();
+class CFX_Edit_Undo {
+ public:
+  CFX_Edit_Undo(int32_t nBufsize = 10000);
+  virtual ~CFX_Edit_Undo();
 
-	void						Redo();
-	void						Undo();
+  void Undo();
+  void Redo();
 
-private:
-	CFX_Edit*					m_pEdit;
+  void AddItem(IFX_Edit_UndoItem* pItem);
 
-	CPVT_WordPlace				m_wpOld;
-	CPVT_WordPlace				m_wpNew;
-	FX_WORD						m_Word;
-	int32_t					m_nCharset;
-	CPVT_WordProps				m_WordProps;
-};
+  FX_BOOL CanUndo() const;
+  FX_BOOL CanRedo() const;
+  FX_BOOL IsModified() const;
+  FX_BOOL IsWorking() const;
 
-class CFXEU_InsertReturn : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_InsertReturn(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
-							 const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps);
-	virtual ~CFXEU_InsertReturn();
+  void Reset();
 
-	void						Redo();
-	void						Undo();
+  IFX_Edit_UndoItem* GetItem(int32_t nIndex);
+  int32_t GetItemCount() { return m_UndoItemStack.GetSize(); }
+  int32_t GetCurUndoPos() { return m_nCurUndoPos; }
 
-private:
-	CFX_Edit *					m_pEdit;
+ private:
+  void SetBufSize(int32_t nSize) { m_nBufSize = nSize; }
+  int32_t GetBufSize() { return m_nBufSize; }
 
-	CPVT_WordPlace				m_wpOld;
-	CPVT_WordPlace				m_wpNew;
-	CPVT_SecProps				m_SecProps;
-	CPVT_WordProps				m_WordProps;
-};
+  void RemoveHeads();
+  void RemoveTails();
+
+ private:
+  CFX_ArrayTemplate<IFX_Edit_UndoItem*> m_UndoItemStack;
 
-class CFXEU_Backspace : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_Backspace(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
-						FX_WORD word, int32_t charset,
-						const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps);
-	virtual ~CFXEU_Backspace();
-
-	void						Redo();
-	void						Undo();
-
-private:
-	CFX_Edit *					m_pEdit;
-
-	CPVT_WordPlace				m_wpOld;
-	CPVT_WordPlace				m_wpNew;
-	FX_WORD						m_Word;
-	int32_t					m_nCharset;
-	CPVT_SecProps				m_SecProps;
-	CPVT_WordProps				m_WordProps;
+  int32_t m_nCurUndoPos;
+  int32_t m_nBufSize;
+  FX_BOOL m_bModified;
+  FX_BOOL m_bVirgin;
+  FX_BOOL m_bWorking;
 };
 
-class CFXEU_Delete : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_Delete(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
-						FX_WORD word, int32_t charset,
-						const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps, FX_BOOL bSecEnd);
-	virtual ~CFXEU_Delete();
-
-	void						Redo();
-	void						Undo();
-
-private:
-	CFX_Edit *					m_pEdit;
-
-	CPVT_WordPlace				m_wpOld;
-	CPVT_WordPlace				m_wpNew;
-	FX_WORD						m_Word;
-	int32_t					m_nCharset;
-	CPVT_SecProps				m_SecProps;
-	CPVT_WordProps				m_WordProps;
-	FX_BOOL						m_bSecEnd;
+class CFX_Edit_UndoItem : public IFX_Edit_UndoItem {
+ public:
+  CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {}
+
+  CFX_WideString GetUndoTitle() override { return L""; }
+
+  void SetFirst(FX_BOOL bFirst) { m_bFirst = bFirst; }
+  FX_BOOL IsFirst() { return m_bFirst; }
+  void SetLast(FX_BOOL bLast) { m_bLast = bLast; }
+  FX_BOOL IsLast() { return m_bLast; }
+
+ private:
+  FX_BOOL m_bFirst;
+  FX_BOOL m_bLast;
 };
 
-class CFXEU_Clear : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_Clear(CFX_Edit * pEdit, const CPVT_WordRange & wrSel, const CFX_WideString & swText);
-	virtual ~CFXEU_Clear();
+class CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem {
+ public:
+  CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle);
+  ~CFX_Edit_GroupUndoItem() override;
 
-	void						Redo();
-	void						Undo();
+  void Undo() override;
+  void Redo() override;
+  CFX_WideString GetUndoTitle() override;
 
-private:
-	CFX_Edit*					m_pEdit;
+  void AddUndoItem(CFX_Edit_UndoItem* pUndoItem);
+  void UpdateItems();
 
-	CPVT_WordRange				m_wrSel;
-	CFX_WideString				m_swText;
+ private:
+  CFX_WideString m_sTitle;
+  CFX_ArrayTemplate<CFX_Edit_UndoItem*> m_Items;
 };
 
-class CFXEU_ClearRich : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_ClearRich(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
-						const CPVT_WordRange & wrSel,
-					   FX_WORD word, int32_t charset,
-					   const CPVT_SecProps & SecProps, const CPVT_WordProps & WordProps);
-	virtual ~CFXEU_ClearRich();
-
-	void						Redo();
-	void						Undo();
-
-private:
-	CFX_Edit *					m_pEdit;
-
-	CPVT_WordPlace				m_wpOld;
-	CPVT_WordPlace				m_wpNew;
-	CPVT_WordRange				m_wrSel;
-	FX_WORD						m_Word;
-	int32_t					m_nCharset;
-	CPVT_SecProps				m_SecProps;
-	CPVT_WordProps				m_WordProps;
+/* ------------------------- CFX_Edit_UndoItem derived classes
+ * ---------------------------- */
+
+class CFXEU_InsertWord : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_InsertWord(CFX_Edit* pEdit,
+                   const CPVT_WordPlace& wpOldPlace,
+                   const CPVT_WordPlace& wpNewPlace,
+                   FX_WORD word,
+                   int32_t charset,
+                   const CPVT_WordProps* pWordProps);
+  virtual ~CFXEU_InsertWord();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordPlace m_wpOld;
+  CPVT_WordPlace m_wpNew;
+  FX_WORD m_Word;
+  int32_t m_nCharset;
+  CPVT_WordProps m_WordProps;
 };
 
-class CFXEU_InsertText : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_InsertText(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
-						   const CFX_WideString & swText, int32_t charset,
-						   const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps);
-	virtual ~CFXEU_InsertText();
-
-	void						Redo();
-	void						Undo();
-
-private:
-	CFX_Edit *					m_pEdit;
-
-	CPVT_WordPlace				m_wpOld;
-	CPVT_WordPlace				m_wpNew;
-	CFX_WideString				m_swText;
-	int32_t					m_nCharset;
-	CPVT_SecProps				m_SecProps;
-	CPVT_WordProps				m_WordProps;
+class CFXEU_InsertReturn : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_InsertReturn(CFX_Edit* pEdit,
+                     const CPVT_WordPlace& wpOldPlace,
+                     const CPVT_WordPlace& wpNewPlace,
+                     const CPVT_SecProps* pSecProps,
+                     const CPVT_WordProps* pWordProps);
+  virtual ~CFXEU_InsertReturn();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordPlace m_wpOld;
+  CPVT_WordPlace m_wpNew;
+  CPVT_SecProps m_SecProps;
+  CPVT_WordProps m_WordProps;
 };
 
-class CFXEU_SetSecProps : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_SetSecProps(CFX_Edit * pEdit, const CPVT_WordPlace & place, EDIT_PROPS_E ep,
-		const CPVT_SecProps & oldsecprops, const CPVT_WordProps & oldwordprops,
-		const CPVT_SecProps & newsecprops, const CPVT_WordProps & newwordprops, const CPVT_WordRange & range);
-	virtual ~CFXEU_SetSecProps();
-
-	void						Redo();
-	void						Undo();
-
-private:
-	CFX_Edit *					m_pEdit;
-	CPVT_WordPlace				m_wpPlace;
-	CPVT_WordRange				m_wrPlace;
-	EDIT_PROPS_E				m_eProps;
-
-	CPVT_SecProps				m_OldSecProps;
-	CPVT_SecProps				m_NewSecProps;
-	CPVT_WordProps				m_OldWordProps;
-	CPVT_WordProps				m_NewWordProps;
+class CFXEU_Backspace : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_Backspace(CFX_Edit* pEdit,
+                  const CPVT_WordPlace& wpOldPlace,
+                  const CPVT_WordPlace& wpNewPlace,
+                  FX_WORD word,
+                  int32_t charset,
+                  const CPVT_SecProps& SecProps,
+                  const CPVT_WordProps& WordProps);
+  virtual ~CFXEU_Backspace();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordPlace m_wpOld;
+  CPVT_WordPlace m_wpNew;
+  FX_WORD m_Word;
+  int32_t m_nCharset;
+  CPVT_SecProps m_SecProps;
+  CPVT_WordProps m_WordProps;
 };
 
-class CFXEU_SetWordProps : public CFX_Edit_UndoItem
-{
-public:
-	CFXEU_SetWordProps(CFX_Edit * pEdit, const CPVT_WordPlace & place, EDIT_PROPS_E ep,
-		const CPVT_WordProps & oldprops, const CPVT_WordProps & newprops, const CPVT_WordRange & range);
-	virtual ~CFXEU_SetWordProps();
+class CFXEU_Delete : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_Delete(CFX_Edit* pEdit,
+               const CPVT_WordPlace& wpOldPlace,
+               const CPVT_WordPlace& wpNewPlace,
+               FX_WORD word,
+               int32_t charset,
+               const CPVT_SecProps& SecProps,
+               const CPVT_WordProps& WordProps,
+               FX_BOOL bSecEnd);
+  virtual ~CFXEU_Delete();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordPlace m_wpOld;
+  CPVT_WordPlace m_wpNew;
+  FX_WORD m_Word;
+  int32_t m_nCharset;
+  CPVT_SecProps m_SecProps;
+  CPVT_WordProps m_WordProps;
+  FX_BOOL m_bSecEnd;
+};
+
+class CFXEU_Clear : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_Clear(CFX_Edit* pEdit,
+              const CPVT_WordRange& wrSel,
+              const CFX_WideString& swText);
+  virtual ~CFXEU_Clear();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordRange m_wrSel;
+  CFX_WideString m_swText;
+};
 
-	void						Redo();
-	void						Undo();
+class CFXEU_ClearRich : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_ClearRich(CFX_Edit* pEdit,
+                  const CPVT_WordPlace& wpOldPlace,
+                  const CPVT_WordPlace& wpNewPlace,
+                  const CPVT_WordRange& wrSel,
+                  FX_WORD word,
+                  int32_t charset,
+                  const CPVT_SecProps& SecProps,
+                  const CPVT_WordProps& WordProps);
+  virtual ~CFXEU_ClearRich();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordPlace m_wpOld;
+  CPVT_WordPlace m_wpNew;
+  CPVT_WordRange m_wrSel;
+  FX_WORD m_Word;
+  int32_t m_nCharset;
+  CPVT_SecProps m_SecProps;
+  CPVT_WordProps m_WordProps;
+};
 
-private:
-	CFX_Edit *					m_pEdit;
-	CPVT_WordPlace				m_wpPlace;
-	CPVT_WordRange				m_wrPlace;
-	EDIT_PROPS_E				m_eProps;
+class CFXEU_InsertText : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_InsertText(CFX_Edit* pEdit,
+                   const CPVT_WordPlace& wpOldPlace,
+                   const CPVT_WordPlace& wpNewPlace,
+                   const CFX_WideString& swText,
+                   int32_t charset,
+                   const CPVT_SecProps* pSecProps,
+                   const CPVT_WordProps* pWordProps);
+  virtual ~CFXEU_InsertText();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+
+  CPVT_WordPlace m_wpOld;
+  CPVT_WordPlace m_wpNew;
+  CFX_WideString m_swText;
+  int32_t m_nCharset;
+  CPVT_SecProps m_SecProps;
+  CPVT_WordProps m_WordProps;
+};
+
+class CFXEU_SetSecProps : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_SetSecProps(CFX_Edit* pEdit,
+                    const CPVT_WordPlace& place,
+                    EDIT_PROPS_E ep,
+                    const CPVT_SecProps& oldsecprops,
+                    const CPVT_WordProps& oldwordprops,
+                    const CPVT_SecProps& newsecprops,
+                    const CPVT_WordProps& newwordprops,
+                    const CPVT_WordRange& range);
+  virtual ~CFXEU_SetSecProps();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+  CPVT_WordPlace m_wpPlace;
+  CPVT_WordRange m_wrPlace;
+  EDIT_PROPS_E m_eProps;
+
+  CPVT_SecProps m_OldSecProps;
+  CPVT_SecProps m_NewSecProps;
+  CPVT_WordProps m_OldWordProps;
+  CPVT_WordProps m_NewWordProps;
+};
 
-	CPVT_WordProps				m_OldWordProps;
-	CPVT_WordProps				m_NewWordProps;
+class CFXEU_SetWordProps : public CFX_Edit_UndoItem {
+ public:
+  CFXEU_SetWordProps(CFX_Edit* pEdit,
+                     const CPVT_WordPlace& place,
+                     EDIT_PROPS_E ep,
+                     const CPVT_WordProps& oldprops,
+                     const CPVT_WordProps& newprops,
+                     const CPVT_WordRange& range);
+  virtual ~CFXEU_SetWordProps();
+
+  void Redo();
+  void Undo();
+
+ private:
+  CFX_Edit* m_pEdit;
+  CPVT_WordPlace m_wpPlace;
+  CPVT_WordRange m_wrPlace;
+  EDIT_PROPS_E m_eProps;
+
+  CPVT_WordProps m_OldWordProps;
+  CPVT_WordProps m_NewWordProps;
 };
 
 /* ------------------------- CFX_Edit ---------------------------- */
 
-class CFX_Edit : public IFX_Edit
-{
-	friend class CFX_Edit_Iterator;
-	friend class CFXEU_InsertWord;
-	friend class CFXEU_InsertReturn;
-	friend class CFXEU_Backspace;
-	friend class CFXEU_Delete;
-	friend class CFXEU_Clear;
-	friend class CFXEU_ClearRich;
-	friend class CFXEU_SetSecProps;
-	friend class CFXEU_SetWordProps;
-	friend class CFXEU_InsertText;
-
-public:
-	CFX_Edit(IPDF_VariableText * pVT);
-	virtual ~CFX_Edit();
-
-	void									SetFontMap(IFX_Edit_FontMap * pFontMap);
-	void									SetVTProvider(IPDF_VariableText_Provider* pProvider);
-	void									SetNotify(IFX_Edit_Notify * pNotify);
-	void									SetOprNotify(IFX_Edit_OprNotify* pOprNotify);
-	IFX_Edit_Iterator*						GetIterator();
-	IPDF_VariableText *						GetVariableText();
-	IFX_Edit_FontMap*						GetFontMap();
-
-	void									Initialize();
-	void									SetPlateRect(const CPDF_Rect & rect, FX_BOOL bPaint = TRUE);
-	void									SetScrollPos(const CPDF_Point & point);
-
-	void									SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE);
-	void									SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE);
-	void									SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE);
-	void									SetLimitChar(int32_t nLimitChar = 0, FX_BOOL bPaint = TRUE);
-	void									SetCharArray(int32_t nCharArray = 0, FX_BOOL bPaint = TRUE);
-	void									SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE);
-	void									SetHorzScale(int32_t nHorzScale = 100, FX_BOOL bPaint = TRUE);
-	void									SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE);
-	void									SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE);
-	void									SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE);
-	void									SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE);
-	void									SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE);
-	void									SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE);
-	void									SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE);
-
-	FX_BOOL									IsRichText() const;
-	void									SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE);
-	FX_BOOL									SetRichFontSize(FX_FLOAT fFontSize);
-	FX_BOOL									SetRichFontIndex(int32_t nFontIndex);
-	FX_BOOL									SetRichTextColor(FX_COLORREF dwColor);
-	FX_BOOL									SetRichTextScript(int32_t nScriptType);
-	FX_BOOL									SetRichTextBold(FX_BOOL bBold = TRUE);
-	FX_BOOL									SetRichTextItalic(FX_BOOL bItalic = TRUE);
-	FX_BOOL									SetRichTextUnderline(FX_BOOL bUnderline = TRUE);
-	FX_BOOL									SetRichTextCrossout(FX_BOOL bCrossout = TRUE);
-	FX_BOOL									SetRichTextCharSpace(FX_FLOAT fCharSpace);
-	FX_BOOL									SetRichTextHorzScale(int32_t nHorzScale = 100);
-	FX_BOOL									SetRichTextLineLeading(FX_FLOAT fLineLeading);
-	FX_BOOL									SetRichTextLineIndent(FX_FLOAT fLineIndent);
-	FX_BOOL									SetRichTextAlignment(int32_t nAlignment);
-
-	void									OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl);
-	void									OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl);
-
-	void									SetText(const FX_WCHAR* text,int32_t charset = DEFAULT_CHARSET,
-													const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL);
-	FX_BOOL									InsertWord(FX_WORD word, int32_t charset = DEFAULT_CHARSET, const CPVT_WordProps * pWordProps = NULL);
-	FX_BOOL									InsertReturn(const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL);
-	FX_BOOL									Backspace();
-	FX_BOOL									Delete();
-	FX_BOOL									Clear();
-	FX_BOOL									Empty();
-	FX_BOOL									InsertText(const FX_WCHAR* text, int32_t charset = DEFAULT_CHARSET,
-													const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL);
-	FX_BOOL									Redo();
-	FX_BOOL									Undo();
-	CPVT_WordPlace							DoInsertText(const CPVT_WordPlace& place, const FX_WCHAR* text, int32_t charset,
-												const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps);
-	int32_t								GetCharSetFromUnicode(FX_WORD word, int32_t nOldCharset);
-
-	int32_t								WordPlaceToWordIndex(const CPVT_WordPlace & place) const;
-	CPVT_WordPlace							WordIndexToWordPlace(int32_t index) const;
-
-	CPVT_WordPlace							GetLineBeginPlace(const CPVT_WordPlace & place) const;
-	CPVT_WordPlace							GetLineEndPlace(const CPVT_WordPlace & place) const;
-	CPVT_WordPlace							GetSectionBeginPlace(const CPVT_WordPlace & place) const;
-	CPVT_WordPlace							GetSectionEndPlace(const CPVT_WordPlace & place) const;
-	CPVT_WordPlace							SearchWordPlace(const CPDF_Point& point) const;
-
-	int32_t								GetCaret() const;
-	CPVT_WordPlace							GetCaretWordPlace() const;
-	CFX_WideString							GetSelText() const;
-	CFX_WideString							GetText() const;
-	FX_FLOAT								GetFontSize() const;
-	FX_WORD									GetPasswordChar() const;
-	CPDF_Point								GetScrollPos() const;
-	int32_t								GetCharArray() const;
-	CPDF_Rect								GetPlateRect() const;
-	CPDF_Rect								GetContentRect() const;
-	CFX_WideString							GetRangeText(const CPVT_WordRange & range) const;
-	int32_t								GetHorzScale() const;
-	FX_FLOAT								GetCharSpace() const;
-	int32_t								GetTotalWords() const;
-	int32_t								GetTotalLines() const;
-
-	void									SetSel(int32_t nStartChar,int32_t nEndChar);
-	void									GetSel(int32_t & nStartChar, int32_t & nEndChar) const;
-
-private:
-	void									SelectAll();
-	void									SelectNone();
-	void									SetSel(const CPVT_WordPlace & begin,const CPVT_WordPlace & end);
-	FX_BOOL									IsSelected() const;
-
-	void									RearrangeAll();
-	void									RearrangePart(const CPVT_WordRange & range);
-	void									Paint();
-	void									ScrollToCaret();
-	void									SetScrollInfo();
-	void									SetScrollPosX(FX_FLOAT fx);
-	void									SetScrollPosY(FX_FLOAT fy);
-	void									SetScrollLimit();
-	void									SetContentChanged();
-	void									EnableNotify(FX_BOOL bNotify);
-
-	void									SetText(const FX_WCHAR* text,int32_t charset,
-													const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									InsertWord(FX_WORD word, int32_t charset, const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									InsertReturn(const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									Backspace(FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									Delete(FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									Clear(FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									InsertText(const FX_WCHAR* text, int32_t charset,
-												const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint);
-	FX_BOOL									SetRichTextProps(EDIT_PROPS_E eProps,
-												const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps);
-	FX_BOOL									SetSecProps(EDIT_PROPS_E eProps, const CPVT_WordPlace & place,
-												const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps, const CPVT_WordRange & wr, FX_BOOL bAddUndo);
-	FX_BOOL									SetWordProps(EDIT_PROPS_E eProps, const CPVT_WordPlace & place,
-												const CPVT_WordProps * pWordProps, const CPVT_WordRange & wr, FX_BOOL bAddUndo);
-	void									PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange & wr);
-	void									PaintInsertText(const CPVT_WordPlace & wpOld, const CPVT_WordPlace & wpNew);
-
-	inline CPDF_Point						VTToEdit(const CPDF_Point & point) const;
-	inline CPDF_Point						EditToVT(const CPDF_Point & point) const;
-	inline CPDF_Rect						VTToEdit(const CPDF_Rect & rect) const;
-	inline CPDF_Rect						EditToVT(const CPDF_Rect & rect) const;
-
-	void									EnableRefresh(FX_BOOL bRefresh);
-	void									Refresh(REFRESH_PLAN_E ePlan,const CPVT_WordRange * pRange1 = NULL,const CPVT_WordRange * pRange2 = NULL);
-	void									RefreshPushLineRects(const CPVT_WordRange & wr);
-	void									RefreshPushRandomRects(const CPVT_WordRange & wr);
-	void									RefreshWordRange(const CPVT_WordRange& wr);
-
-	void									SetCaret(int32_t nPos);
-	void									SetCaret(const CPVT_WordPlace & place);
-	void									SetCaretInfo();
-	void									SetCaretOrigin();
-	void									SetCaretChange();
-
-	CPVT_WordRange							GetWholeWordRange() const;
-	CPVT_WordRange							GetVisibleWordRange() const;
-	CPVT_WordRange							GetLatinWordsRange(const CPVT_WordPlace & place) const;
-	CPVT_WordRange							CombineWordRange(const CPVT_WordRange & wr1, const CPVT_WordRange & wr2);
-	CPVT_WordRange							GetSelectWordRange() const;
-
-	void									EnableUndo(FX_BOOL bUndo);
-	void									EnableOprNotify(FX_BOOL bNotify);
-
-	FX_BOOL									IsTextFull() const;
-	FX_BOOL									IsTextOverflow() const;
-	FX_BOOL									CanUndo() const;
-	FX_BOOL									CanRedo() const;
-	FX_BOOL									IsModified() const;
-
-	void									BeginGroupUndo(const CFX_WideString& sTitle);
-	void									EndGroupUndo();
-	void									AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem);
-	void									AddUndoItem(IFX_Edit_UndoItem* pUndoItem);
-
-	void									SetPageInfo(const CPVT_WordPlace& place);
-	CPVT_WordPlace							SearchPageEndPlace(const CPVT_WordPlace& wpPageBegin, const CPDF_Point& point) const;
-	FX_FLOAT								GetLineTop(const CPVT_WordPlace& place) const;
-	FX_FLOAT								GetLineBottom(const CPVT_WordPlace& place) const;
-
-private:
-	IPDF_VariableText*						m_pVT;
-	IFX_Edit_Notify*						m_pNotify;
-	IFX_Edit_OprNotify*						m_pOprNotify;
-	CFX_Edit_Provider*						m_pVTProvide;
-
-	CPVT_WordPlace							m_wpCaret;
-	CPVT_WordPlace							m_wpOldCaret;
-	CFX_Edit_Select							m_SelState;
-
-	CPDF_Point								m_ptScrollPos;
-	CPDF_Point								m_ptRefreshScrollPos;
-	FX_BOOL									m_bEnableScroll;
-	IFX_Edit_Iterator *						m_pIterator;
-	CFX_Edit_Refresh						m_Refresh;
-	CPDF_Point								m_ptCaret;
-	CFX_Edit_Undo							m_Undo;
-	int32_t								m_nAlignment;
-	FX_BOOL									m_bNotifyFlag;
-	FX_BOOL									m_bEnableOverflow;
-	FX_BOOL									m_bEnableRefresh;
-	CPDF_Rect								m_rcOldContent;
-	FX_BOOL									m_bEnableUndo;
-	FX_BOOL									m_bNotify;
-	FX_BOOL									m_bOprNotify;
-	CFX_Edit_GroupUndoItem*					m_pGroupUndoItem;
+class CFX_Edit : public IFX_Edit {
+  friend class CFX_Edit_Iterator;
+  friend class CFXEU_InsertWord;
+  friend class CFXEU_InsertReturn;
+  friend class CFXEU_Backspace;
+  friend class CFXEU_Delete;
+  friend class CFXEU_Clear;
+  friend class CFXEU_ClearRich;
+  friend class CFXEU_SetSecProps;
+  friend class CFXEU_SetWordProps;
+  friend class CFXEU_InsertText;
+
+ public:
+  CFX_Edit(IPDF_VariableText* pVT);
+  virtual ~CFX_Edit();
+
+  void SetFontMap(IFX_Edit_FontMap* pFontMap);
+  void SetVTProvider(IPDF_VariableText_Provider* pProvider);
+  void SetNotify(IFX_Edit_Notify* pNotify);
+  void SetOprNotify(IFX_Edit_OprNotify* pOprNotify);
+  IFX_Edit_Iterator* GetIterator();
+  IPDF_VariableText* GetVariableText();
+  IFX_Edit_FontMap* GetFontMap();
+
+  void Initialize();
+  void SetPlateRect(const CPDF_Rect& rect, FX_BOOL bPaint = TRUE);
+  void SetScrollPos(const CPDF_Point& point);
+
+  void SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE);
+  void SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE);
+  void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE);
+  void SetLimitChar(int32_t nLimitChar = 0, FX_BOOL bPaint = TRUE);
+  void SetCharArray(int32_t nCharArray = 0, FX_BOOL bPaint = TRUE);
+  void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE);
+  void SetHorzScale(int32_t nHorzScale = 100, FX_BOOL bPaint = TRUE);
+  void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE);
+  void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE);
+  void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE);
+  void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE);
+  void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE);
+  void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE);
+  void SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE);
+
+  FX_BOOL IsRichText() const;
+  void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE);
+  FX_BOOL SetRichFontSize(FX_FLOAT fFontSize);
+  FX_BOOL SetRichFontIndex(int32_t nFontIndex);
+  FX_BOOL SetRichTextColor(FX_COLORREF dwColor);
+  FX_BOOL SetRichTextScript(int32_t nScriptType);
+  FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE);
+  FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE);
+  FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE);
+  FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE);
+  FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace);
+  FX_BOOL SetRichTextHorzScale(int32_t nHorzScale = 100);
+  FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading);
+  FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent);
+  FX_BOOL SetRichTextAlignment(int32_t nAlignment);
+
+  void OnMouseDown(const CPDF_Point& point, FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnMouseMove(const CPDF_Point& point, FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl);
+
+  void SetText(const FX_WCHAR* text,
+               int32_t charset = DEFAULT_CHARSET,
+               const CPVT_SecProps* pSecProps = NULL,
+               const CPVT_WordProps* pWordProps = NULL);
+  FX_BOOL InsertWord(FX_WORD word,
+                     int32_t charset = DEFAULT_CHARSET,
+                     const CPVT_WordProps* pWordProps = NULL);
+  FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps = NULL,
+                       const CPVT_WordProps* pWordProps = NULL);
+  FX_BOOL Backspace();
+  FX_BOOL Delete();
+  FX_BOOL Clear();
+  FX_BOOL Empty();
+  FX_BOOL InsertText(const FX_WCHAR* text,
+                     int32_t charset = DEFAULT_CHARSET,
+                     const CPVT_SecProps* pSecProps = NULL,
+                     const CPVT_WordProps* pWordProps = NULL);
+  FX_BOOL Redo();
+  FX_BOOL Undo();
+  CPVT_WordPlace DoInsertText(const CPVT_WordPlace& place,
+                              const FX_WCHAR* text,
+                              int32_t charset,
+                              const CPVT_SecProps* pSecProps,
+                              const CPVT_WordProps* pWordProps);
+  int32_t GetCharSetFromUnicode(FX_WORD word, int32_t nOldCharset);
+
+  int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const;
+  CPVT_WordPlace WordIndexToWordPlace(int32_t index) const;
+
+  CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace& place) const;
+  CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace& place) const;
+  CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace& place) const;
+  CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace& place) const;
+  CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const;
+
+  int32_t GetCaret() const;
+  CPVT_WordPlace GetCaretWordPlace() const;
+  CFX_WideString GetSelText() const;
+  CFX_WideString GetText() const;
+  FX_FLOAT GetFontSize() const;
+  FX_WORD GetPasswordChar() const;
+  CPDF_Point GetScrollPos() const;
+  int32_t GetCharArray() const;
+  CPDF_Rect GetPlateRect() const;
+  CPDF_Rect GetContentRect() const;
+  CFX_WideString GetRangeText(const CPVT_WordRange& range) const;
+  int32_t GetHorzScale() const;
+  FX_FLOAT GetCharSpace() const;
+  int32_t GetTotalWords() const;
+  int32_t GetTotalLines() const;
+
+  void SetSel(int32_t nStartChar, int32_t nEndChar);
+  void GetSel(int32_t& nStartChar, int32_t& nEndChar) const;
+
+ private:
+  void SelectAll();
+  void SelectNone();
+  void SetSel(const CPVT_WordPlace& begin, const CPVT_WordPlace& end);
+  FX_BOOL IsSelected() const;
+
+  void RearrangeAll();
+  void RearrangePart(const CPVT_WordRange& range);
+  void Paint();
+  void ScrollToCaret();
+  void SetScrollInfo();
+  void SetScrollPosX(FX_FLOAT fx);
+  void SetScrollPosY(FX_FLOAT fy);
+  void SetScrollLimit();
+  void SetContentChanged();
+  void EnableNotify(FX_BOOL bNotify);
+
+  void SetText(const FX_WCHAR* text,
+               int32_t charset,
+               const CPVT_SecProps* pSecProps,
+               const CPVT_WordProps* pWordProps,
+               FX_BOOL bAddUndo,
+               FX_BOOL bPaint);
+  FX_BOOL InsertWord(FX_WORD word,
+                     int32_t charset,
+                     const CPVT_WordProps* pWordProps,
+                     FX_BOOL bAddUndo,
+                     FX_BOOL bPaint);
+  FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps,
+                       const CPVT_WordProps* pWordProps,
+                       FX_BOOL bAddUndo,
+                       FX_BOOL bPaint);
+  FX_BOOL Backspace(FX_BOOL bAddUndo, FX_BOOL bPaint);
+  FX_BOOL Delete(FX_BOOL bAddUndo, FX_BOOL bPaint);
+  FX_BOOL Clear(FX_BOOL bAddUndo, FX_BOOL bPaint);
+  FX_BOOL InsertText(const FX_WCHAR* text,
+                     int32_t charset,
+                     const CPVT_SecProps* pSecProps,
+                     const CPVT_WordProps* pWordProps,
+                     FX_BOOL bAddUndo,
+                     FX_BOOL bPaint);
+  FX_BOOL SetRichTextProps(EDIT_PROPS_E eProps,
+                           const CPVT_SecProps* pSecProps,
+                           const CPVT_WordProps* pWordProps);
+  FX_BOOL SetSecProps(EDIT_PROPS_E eProps,
+                      const CPVT_WordPlace& place,
+                      const CPVT_SecProps* pSecProps,
+                      const CPVT_WordProps* pWordProps,
+                      const CPVT_WordRange& wr,
+                      FX_BOOL bAddUndo);
+  FX_BOOL SetWordProps(EDIT_PROPS_E eProps,
+                       const CPVT_WordPlace& place,
+                       const CPVT_WordProps* pWordProps,
+                       const CPVT_WordRange& wr,
+                       FX_BOOL bAddUndo);
+  void PaintSetProps(EDIT_PROPS_E eProps, const CPVT_WordRange& wr);
+  void PaintInsertText(const CPVT_WordPlace& wpOld,
+                       const CPVT_WordPlace& wpNew);
+
+  inline CPDF_Point VTToEdit(const CPDF_Point& point) const;
+  inline CPDF_Point EditToVT(const CPDF_Point& point) const;
+  inline CPDF_Rect VTToEdit(const CPDF_Rect& rect) const;
+  inline CPDF_Rect EditToVT(const CPDF_Rect& rect) const;
+
+  void EnableRefresh(FX_BOOL bRefresh);
+  void Refresh(REFRESH_PLAN_E ePlan,
+               const CPVT_WordRange* pRange1 = NULL,
+               const CPVT_WordRange* pRange2 = NULL);
+  void RefreshPushLineRects(const CPVT_WordRange& wr);
+  void RefreshPushRandomRects(const CPVT_WordRange& wr);
+  void RefreshWordRange(const CPVT_WordRange& wr);
+
+  void SetCaret(int32_t nPos);
+  void SetCaret(const CPVT_WordPlace& place);
+  void SetCaretInfo();
+  void SetCaretOrigin();
+  void SetCaretChange();
+
+  CPVT_WordRange GetWholeWordRange() const;
+  CPVT_WordRange GetVisibleWordRange() const;
+  CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace& place) const;
+  CPVT_WordRange CombineWordRange(const CPVT_WordRange& wr1,
+                                  const CPVT_WordRange& wr2);
+  CPVT_WordRange GetSelectWordRange() const;
+
+  void EnableUndo(FX_BOOL bUndo);
+  void EnableOprNotify(FX_BOOL bNotify);
+
+  FX_BOOL IsTextFull() const;
+  FX_BOOL IsTextOverflow() const;
+  FX_BOOL CanUndo() const;
+  FX_BOOL CanRedo() const;
+  FX_BOOL IsModified() const;
+
+  void BeginGroupUndo(const CFX_WideString& sTitle);
+  void EndGroupUndo();
+  void AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem);
+  void AddUndoItem(IFX_Edit_UndoItem* pUndoItem);
+
+  void SetPageInfo(const CPVT_WordPlace& place);
+  CPVT_WordPlace SearchPageEndPlace(const CPVT_WordPlace& wpPageBegin,
+                                    const CPDF_Point& point) const;
+  FX_FLOAT GetLineTop(const CPVT_WordPlace& place) const;
+  FX_FLOAT GetLineBottom(const CPVT_WordPlace& place) const;
+
+ private:
+  IPDF_VariableText* m_pVT;
+  IFX_Edit_Notify* m_pNotify;
+  IFX_Edit_OprNotify* m_pOprNotify;
+  CFX_Edit_Provider* m_pVTProvide;
+
+  CPVT_WordPlace m_wpCaret;
+  CPVT_WordPlace m_wpOldCaret;
+  CFX_Edit_Select m_SelState;
+
+  CPDF_Point m_ptScrollPos;
+  CPDF_Point m_ptRefreshScrollPos;
+  FX_BOOL m_bEnableScroll;
+  IFX_Edit_Iterator* m_pIterator;
+  CFX_Edit_Refresh m_Refresh;
+  CPDF_Point m_ptCaret;
+  CFX_Edit_Undo m_Undo;
+  int32_t m_nAlignment;
+  FX_BOOL m_bNotifyFlag;
+  FX_BOOL m_bEnableOverflow;
+  FX_BOOL m_bEnableRefresh;
+  CPDF_Rect m_rcOldContent;
+  FX_BOOL m_bEnableUndo;
+  FX_BOOL m_bNotify;
+  FX_BOOL m_bOprNotify;
+  CFX_Edit_GroupUndoItem* m_pGroupUndoItem;
 };
 
 /* ------------------------- CFX_Edit_Iterator ---------------------------- */
 
-class CFX_Edit_Iterator : public IFX_Edit_Iterator
-{
-public:
-	CFX_Edit_Iterator(CFX_Edit * pEdit,IPDF_VariableText_Iterator * pVTIterator);
-	virtual ~CFX_Edit_Iterator();
-
-	FX_BOOL									NextWord();
-	FX_BOOL									NextLine();
-	FX_BOOL									NextSection();
-	FX_BOOL									PrevWord();
-	FX_BOOL									PrevLine();
-	FX_BOOL									PrevSection();
-
-	FX_BOOL									GetWord(CPVT_Word & word) const;
-	FX_BOOL									GetLine(CPVT_Line & line) const;
-	FX_BOOL									GetSection(CPVT_Section & section) const;
-	void									SetAt(int32_t nWordIndex);
-	void									SetAt(const CPVT_WordPlace & place);
-	const CPVT_WordPlace &					GetAt() const;
-	IFX_Edit*								GetEdit() const;
-
-private:
-	CFX_Edit *								m_pEdit;
-	IPDF_VariableText_Iterator*				m_pVTIterator;
+class CFX_Edit_Iterator : public IFX_Edit_Iterator {
+ public:
+  CFX_Edit_Iterator(CFX_Edit* pEdit, IPDF_VariableText_Iterator* pVTIterator);
+  virtual ~CFX_Edit_Iterator();
+
+  FX_BOOL NextWord();
+  FX_BOOL NextLine();
+  FX_BOOL NextSection();
+  FX_BOOL PrevWord();
+  FX_BOOL PrevLine();
+  FX_BOOL PrevSection();
+
+  FX_BOOL GetWord(CPVT_Word& word) const;
+  FX_BOOL GetLine(CPVT_Line& line) const;
+  FX_BOOL GetSection(CPVT_Section& section) const;
+  void SetAt(int32_t nWordIndex);
+  void SetAt(const CPVT_WordPlace& place);
+  const CPVT_WordPlace& GetAt() const;
+  IFX_Edit* GetEdit() const;
+
+ private:
+  CFX_Edit* m_pEdit;
+  IPDF_VariableText_Iterator* m_pVTIterator;
 };
 
-class CFX_Edit_Provider : public IPDF_VariableText_Provider
-{
-public:
-	CFX_Edit_Provider(IFX_Edit_FontMap* pFontMap);
-	virtual ~CFX_Edit_Provider();
+class CFX_Edit_Provider : public IPDF_VariableText_Provider {
+ public:
+  CFX_Edit_Provider(IFX_Edit_FontMap* pFontMap);
+  virtual ~CFX_Edit_Provider();
 
-	IFX_Edit_FontMap*			GetFontMap();
+  IFX_Edit_FontMap* GetFontMap();
 
-	int32_t					GetCharWidth(int32_t nFontIndex, FX_WORD word, int32_t nWordStyle);
-	int32_t					GetTypeAscent(int32_t nFontIndex);
-	int32_t					GetTypeDescent(int32_t nFontIndex);
-	int32_t					GetWordFontIndex(FX_WORD word, int32_t charset, int32_t nFontIndex);
-	int32_t					GetDefaultFontIndex();
-	FX_BOOL						IsLatinWord(FX_WORD word);
+  int32_t GetCharWidth(int32_t nFontIndex, FX_WORD word, int32_t nWordStyle);
+  int32_t GetTypeAscent(int32_t nFontIndex);
+  int32_t GetTypeDescent(int32_t nFontIndex);
+  int32_t GetWordFontIndex(FX_WORD word, int32_t charset, int32_t nFontIndex);
+  int32_t GetDefaultFontIndex();
+  FX_BOOL IsLatinWord(FX_WORD word);
 
-private:
-	IFX_Edit_FontMap*			m_pFontMap;
+ private:
+  IFX_Edit_FontMap* m_pFontMap;
 };
 
 #endif  // FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_
diff --git a/fpdfsdk/include/fxedit/fxet_list.h b/fpdfsdk/include/fxedit/fxet_list.h
index fe75b0fc35..4aa35684cf 100644
--- a/fpdfsdk/include/fxedit/fxet_list.h
+++ b/fpdfsdk/include/fxedit/fxet_list.h
@@ -12,353 +12,337 @@
 
 class IFX_Edit;
 
-class CLST_Size
-{
-public:
-	CLST_Size() : x(0.0f), y(0.0f)
-	{
-	}
-
-	CLST_Size(FX_FLOAT other_x, FX_FLOAT other_y)
-	{
-		x = other_x;
-		y = other_y;
-	}
-
-	void Default()
-	{
-		x = 0.0f;
-		y = 0.0f;
-	}
-
-	FX_BOOL operator != (const CLST_Size & size) const
-	{
-		return FXSYS_memcmp(this, &size, sizeof(CLST_Size)) != 0;
-	}
-
-	FX_FLOAT x,y;
+class CLST_Size {
+ public:
+  CLST_Size() : x(0.0f), y(0.0f) {}
+
+  CLST_Size(FX_FLOAT other_x, FX_FLOAT other_y) {
+    x = other_x;
+    y = other_y;
+  }
+
+  void Default() {
+    x = 0.0f;
+    y = 0.0f;
+  }
+
+  FX_BOOL operator!=(const CLST_Size& size) const {
+    return FXSYS_memcmp(this, &size, sizeof(CLST_Size)) != 0;
+  }
+
+  FX_FLOAT x, y;
 };
 
-class CLST_Rect : public CPDF_Rect
-{
-public:
-	CLST_Rect()
-	{
-		left = top = right = bottom = 0.0f;
-	}
-
-    CLST_Rect(FX_FLOAT other_left,
-              FX_FLOAT other_top,
-              FX_FLOAT other_right,
-              FX_FLOAT other_bottom)
-    {
-        left = other_left;
-        top = other_top;
-        right = other_right;
-        bottom = other_bottom;
-    }
-
-    CLST_Rect(const CPDF_Rect & rect)
-    {
-        left = rect.left;
-        top = rect.top;
-        right = rect.right;
-        bottom = rect.bottom;
-    }
-
-	void Default()
-	{
-		left = top = right = bottom = 0.0f;
-	}
-
-	const CLST_Rect operator = (const CPDF_Rect & rect)
-	{
-		left = rect.left;
-		top = rect.top;
-		right = rect.right;
-		bottom = rect.bottom;
-
-		return *this;
-	}
-
-	FX_BOOL operator == (const CLST_Rect & rect) const
-	{
-		return FXSYS_memcmp(this, &rect, sizeof(CLST_Rect)) == 0;
-	}
-
-	FX_BOOL operator != (const CLST_Rect & rect) const
-	{
-		return FXSYS_memcmp(this, &rect, sizeof(CLST_Rect)) != 0;
-	}
-
-	FX_FLOAT Width() const
-	{
-		return right - left;
-	}
-
-	FX_FLOAT Height() const
-	{
-		if (top > bottom)
-			return top - bottom;
-		return bottom - top;
-	}
-
-	CPDF_Point LeftTop() const
-	{
-		return CPDF_Point(left,top);
-	}
-
-	CPDF_Point RightBottom() const
-	{
-		return CPDF_Point(right,bottom);
-	}
-
-	const CLST_Rect operator += (const CPDF_Point & point)
-	{
-		left += point.x;
-		right += point.x;
-		top += point.y;
-		bottom += point.y;
-
-		return *this;
-	}
-
-	const CLST_Rect operator -= (const CPDF_Point & point)
-	{
-		left -= point.x;
-		right -= point.x;
-		top -= point.y;
-		bottom -= point.y;
-
-		return *this;
-	}
-
-	CLST_Rect operator + (const CPDF_Point & point) const
-	{
-		return CLST_Rect(left + point.x,
-					top + point.y,
-					right + point.x,
-					bottom + point.y);
-	}
-
-	CLST_Rect operator - (const CPDF_Point & point) const
-	{
-		return CLST_Rect(left - point.x,
-					top - point.y,
-					right - point.x,
-					bottom - point.y);
-	}
+class CLST_Rect : public CPDF_Rect {
+ public:
+  CLST_Rect() { left = top = right = bottom = 0.0f; }
+
+  CLST_Rect(FX_FLOAT other_left,
+            FX_FLOAT other_top,
+            FX_FLOAT other_right,
+            FX_FLOAT other_bottom) {
+    left = other_left;
+    top = other_top;
+    right = other_right;
+    bottom = other_bottom;
+  }
+
+  CLST_Rect(const CPDF_Rect& rect) {
+    left = rect.left;
+    top = rect.top;
+    right = rect.right;
+    bottom = rect.bottom;
+  }
+
+  void Default() { left = top = right = bottom = 0.0f; }
+
+  const CLST_Rect operator=(const CPDF_Rect& rect) {
+    left = rect.left;
+    top = rect.top;
+    right = rect.right;
+    bottom = rect.bottom;
+
+    return *this;
+  }
+
+  FX_BOOL operator==(const CLST_Rect& rect) const {
+    return FXSYS_memcmp(this, &rect, sizeof(CLST_Rect)) == 0;
+  }
+
+  FX_BOOL operator!=(const CLST_Rect& rect) const {
+    return FXSYS_memcmp(this, &rect, sizeof(CLST_Rect)) != 0;
+  }
+
+  FX_FLOAT Width() const { return right - left; }
+
+  FX_FLOAT Height() const {
+    if (top > bottom)
+      return top - bottom;
+    return bottom - top;
+  }
+
+  CPDF_Point LeftTop() const { return CPDF_Point(left, top); }
+
+  CPDF_Point RightBottom() const { return CPDF_Point(right, bottom); }
+
+  const CLST_Rect operator+=(const CPDF_Point& point) {
+    left += point.x;
+    right += point.x;
+    top += point.y;
+    bottom += point.y;
+
+    return *this;
+  }
+
+  const CLST_Rect operator-=(const CPDF_Point& point) {
+    left -= point.x;
+    right -= point.x;
+    top -= point.y;
+    bottom -= point.y;
+
+    return *this;
+  }
+
+  CLST_Rect operator+(const CPDF_Point& point) const {
+    return CLST_Rect(left + point.x, top + point.y, right + point.x,
+                     bottom + point.y);
+  }
+
+  CLST_Rect operator-(const CPDF_Point& point) const {
+    return CLST_Rect(left - point.x, top - point.y, right - point.x,
+                     bottom - point.y);
+  }
 };
 
-class CFX_ListItem
-{
-public:
-	CFX_ListItem();
-	virtual ~CFX_ListItem();
-
-	void							SetFontMap(IFX_Edit_FontMap * pFontMap);
-	IFX_Edit_Iterator*				GetIterator() const;
-	IFX_Edit*						GetEdit() const;
-
-public:
-	void							SetRect(const CLST_Rect & rect);
-	void							SetSelect(FX_BOOL bSelected);
-	void							SetCaret(FX_BOOL bCaret);
-	void							SetText(const FX_WCHAR* text);
-	void							SetFontSize(FX_FLOAT fFontSize);
-	CFX_WideString					GetText() const;
-
-	CLST_Rect						GetRect() const;
-	FX_BOOL							IsSelected() const;
-	FX_BOOL							IsCaret() const;
-	FX_FLOAT						GetItemHeight() const;
-	FX_WORD							GetFirstChar() const;
-
-private:
-	IFX_Edit*						m_pEdit;
-	FX_BOOL							m_bSelected;
-	FX_BOOL							m_bCaret;
-	CLST_Rect						m_rcListItem;
+class CFX_ListItem {
+ public:
+  CFX_ListItem();
+  virtual ~CFX_ListItem();
+
+  void SetFontMap(IFX_Edit_FontMap* pFontMap);
+  IFX_Edit_Iterator* GetIterator() const;
+  IFX_Edit* GetEdit() const;
+
+ public:
+  void SetRect(const CLST_Rect& rect);
+  void SetSelect(FX_BOOL bSelected);
+  void SetCaret(FX_BOOL bCaret);
+  void SetText(const FX_WCHAR* text);
+  void SetFontSize(FX_FLOAT fFontSize);
+  CFX_WideString GetText() const;
+
+  CLST_Rect GetRect() const;
+  FX_BOOL IsSelected() const;
+  FX_BOOL IsCaret() const;
+  FX_FLOAT GetItemHeight() const;
+  FX_WORD GetFirstChar() const;
+
+ private:
+  IFX_Edit* m_pEdit;
+  FX_BOOL m_bSelected;
+  FX_BOOL m_bCaret;
+  CLST_Rect m_rcListItem;
 };
 
-class CFX_ListContainer
-{
-public:
-	CFX_ListContainer() : m_rcPlate(0.0f,0.0f,0.0f,0.0f), m_rcContent(0.0f,0.0f,0.0f,0.0f){}
-	virtual ~CFX_ListContainer(){}
-	virtual void					SetPlateRect(const CPDF_Rect & rect){m_rcPlate = rect;}
-	CPDF_Rect						GetPlateRect() const{return m_rcPlate;}
-	void							SetContentRect(const CLST_Rect & rect){m_rcContent = rect;}
-	CLST_Rect						GetContentRect() const{return m_rcContent;}
-	CPDF_Point						GetBTPoint() const{return CPDF_Point(m_rcPlate.left,m_rcPlate.top);}
-	CPDF_Point						GetETPoint() const{return CPDF_Point(m_rcPlate.right,m_rcPlate.bottom);}
-public:
-	CPDF_Point						InnerToOuter(const CPDF_Point & point) const{return CPDF_Point(point.x + GetBTPoint().x,GetBTPoint().y - point.y);}
-	CPDF_Point						OuterToInner(const CPDF_Point & point) const{return CPDF_Point(point.x - GetBTPoint().x,GetBTPoint().y - point.y);}
-	CPDF_Rect						InnerToOuter(const CLST_Rect & rect) const{CPDF_Point ptLeftTop = InnerToOuter(CPDF_Point(rect.left,rect.top));
-																			CPDF_Point ptRightBottom = InnerToOuter(CPDF_Point(rect.right,rect.bottom));
-																			return CPDF_Rect(ptLeftTop.x,ptRightBottom.y,ptRightBottom.x,ptLeftTop.y);}
-	CLST_Rect						OuterToInner(const CPDF_Rect & rect) const{CPDF_Point ptLeftTop = OuterToInner(CPDF_Point(rect.left,rect.top));
-																			CPDF_Point ptRightBottom = OuterToInner(CPDF_Point(rect.right,rect.bottom));
-																			return CLST_Rect(ptLeftTop.x,ptLeftTop.y,ptRightBottom.x,ptRightBottom.y);}
-private:
-	CPDF_Rect						m_rcPlate;
-	CLST_Rect						m_rcContent;		//positive forever!
+class CFX_ListContainer {
+ public:
+  CFX_ListContainer()
+      : m_rcPlate(0.0f, 0.0f, 0.0f, 0.0f),
+        m_rcContent(0.0f, 0.0f, 0.0f, 0.0f) {}
+  virtual ~CFX_ListContainer() {}
+  virtual void SetPlateRect(const CPDF_Rect& rect) { m_rcPlate = rect; }
+  CPDF_Rect GetPlateRect() const { return m_rcPlate; }
+  void SetContentRect(const CLST_Rect& rect) { m_rcContent = rect; }
+  CLST_Rect GetContentRect() const { return m_rcContent; }
+  CPDF_Point GetBTPoint() const {
+    return CPDF_Point(m_rcPlate.left, m_rcPlate.top);
+  }
+  CPDF_Point GetETPoint() const {
+    return CPDF_Point(m_rcPlate.right, m_rcPlate.bottom);
+  }
+
+ public:
+  CPDF_Point InnerToOuter(const CPDF_Point& point) const {
+    return CPDF_Point(point.x + GetBTPoint().x, GetBTPoint().y - point.y);
+  }
+  CPDF_Point OuterToInner(const CPDF_Point& point) const {
+    return CPDF_Point(point.x - GetBTPoint().x, GetBTPoint().y - point.y);
+  }
+  CPDF_Rect InnerToOuter(const CLST_Rect& rect) const {
+    CPDF_Point ptLeftTop = InnerToOuter(CPDF_Point(rect.left, rect.top));
+    CPDF_Point ptRightBottom =
+        InnerToOuter(CPDF_Point(rect.right, rect.bottom));
+    return CPDF_Rect(ptLeftTop.x, ptRightBottom.y, ptRightBottom.x,
+                     ptLeftTop.y);
+  }
+  CLST_Rect OuterToInner(const CPDF_Rect& rect) const {
+    CPDF_Point ptLeftTop = OuterToInner(CPDF_Point(rect.left, rect.top));
+    CPDF_Point ptRightBottom =
+        OuterToInner(CPDF_Point(rect.right, rect.bottom));
+    return CLST_Rect(ptLeftTop.x, ptLeftTop.y, ptRightBottom.x,
+                     ptRightBottom.y);
+  }
+
+ private:
+  CPDF_Rect m_rcPlate;
+  CLST_Rect m_rcContent;  // positive forever!
 };
 
-template<class TYPE> class CLST_ArrayTemplate : public CFX_ArrayTemplate<TYPE>
-{
-public:
-	FX_BOOL IsEmpty() { return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; }
-	TYPE GetAt(int32_t nIndex) const { if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) return CFX_ArrayTemplate<TYPE>::GetAt(nIndex); return NULL;}
-	void RemoveAt(int32_t nIndex){if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize()) CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex);}
+template <class TYPE>
+class CLST_ArrayTemplate : public CFX_ArrayTemplate<TYPE> {
+ public:
+  FX_BOOL IsEmpty() { return CFX_ArrayTemplate<TYPE>::GetSize() <= 0; }
+  TYPE GetAt(int32_t nIndex) const {
+    if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize())
+      return CFX_ArrayTemplate<TYPE>::GetAt(nIndex);
+    return NULL;
+  }
+  void RemoveAt(int32_t nIndex) {
+    if (nIndex >= 0 && nIndex < CFX_ArrayTemplate<TYPE>::GetSize())
+      CFX_ArrayTemplate<TYPE>::RemoveAt(nIndex);
+  }
 };
 
-class CFX_List : protected CFX_ListContainer , public IFX_List
-{
-public:
-	CFX_List();
-	virtual ~CFX_List();
+class CFX_List : protected CFX_ListContainer, public IFX_List {
+ public:
+  CFX_List();
+  virtual ~CFX_List();
 
-public:
-	virtual void					SetFontMap(IFX_Edit_FontMap * pFontMap);
-	virtual void					SetFontSize(FX_FLOAT fFontSize);
+ public:
+  virtual void SetFontMap(IFX_Edit_FontMap* pFontMap);
+  virtual void SetFontSize(FX_FLOAT fFontSize);
 
-	virtual CPDF_Rect				GetPlateRect() const;
-	virtual CPDF_Rect				GetContentRect() const;
+  virtual CPDF_Rect GetPlateRect() const;
+  virtual CPDF_Rect GetContentRect() const;
 
-	virtual FX_FLOAT				GetFontSize() const;
-	virtual IFX_Edit*				GetItemEdit(int32_t nIndex) const;
-	virtual int32_t				GetCount() const;
-	virtual FX_BOOL					IsItemSelected(int32_t nIndex) const;
-	virtual FX_FLOAT				GetFirstHeight() const;
+  virtual FX_FLOAT GetFontSize() const;
+  virtual IFX_Edit* GetItemEdit(int32_t nIndex) const;
+  virtual int32_t GetCount() const;
+  virtual FX_BOOL IsItemSelected(int32_t nIndex) const;
+  virtual FX_FLOAT GetFirstHeight() const;
 
-	virtual void					SetMultipleSel(FX_BOOL bMultiple);
-	virtual FX_BOOL					IsMultipleSel() const;
-	virtual FX_BOOL					IsValid(int32_t nItemIndex) const;
-	virtual int32_t				FindNext(int32_t nIndex,FX_WCHAR nChar) const;
+  virtual void SetMultipleSel(FX_BOOL bMultiple);
+  virtual FX_BOOL IsMultipleSel() const;
+  virtual FX_BOOL IsValid(int32_t nItemIndex) const;
+  virtual int32_t FindNext(int32_t nIndex, FX_WCHAR nChar) const;
 
-protected:
-	virtual void					Empty();
+ protected:
+  virtual void Empty();
 
-	void							AddItem(const FX_WCHAR* str);
-	virtual void					ReArrange(int32_t nItemIndex);
+  void AddItem(const FX_WCHAR* str);
+  virtual void ReArrange(int32_t nItemIndex);
 
-	virtual CPDF_Rect				GetItemRect(int32_t nIndex) const;
-	CFX_WideString					GetItemText(int32_t nIndex) const;
+  virtual CPDF_Rect GetItemRect(int32_t nIndex) const;
+  CFX_WideString GetItemText(int32_t nIndex) const;
 
-	void							SetItemSelect(int32_t nItemIndex, FX_BOOL bSelected);
-	void							SetItemCaret(int32_t nItemIndex, FX_BOOL bCaret);
+  void SetItemSelect(int32_t nItemIndex, FX_BOOL bSelected);
+  void SetItemCaret(int32_t nItemIndex, FX_BOOL bCaret);
 
-	virtual int32_t				GetItemIndex(const CPDF_Point & point) const;
-	int32_t						GetFirstSelected() const;
-	int32_t						GetLastSelected() const;
-	FX_WCHAR						Toupper(FX_WCHAR c) const;
+  virtual int32_t GetItemIndex(const CPDF_Point& point) const;
+  int32_t GetFirstSelected() const;
+  int32_t GetLastSelected() const;
+  FX_WCHAR Toupper(FX_WCHAR c) const;
 
-private:
-	CLST_ArrayTemplate<CFX_ListItem*>	m_aListItems;
-	FX_FLOAT							m_fFontSize;
-	IFX_Edit_FontMap*					m_pFontMap;
-	FX_BOOL								m_bMultiple;
+ private:
+  CLST_ArrayTemplate<CFX_ListItem*> m_aListItems;
+  FX_FLOAT m_fFontSize;
+  IFX_Edit_FontMap* m_pFontMap;
+  FX_BOOL m_bMultiple;
 };
 
-struct CPLST_Select_Item
-{
-	CPLST_Select_Item(int32_t other_nItemIndex, int32_t other_nState)
-	{
-		nItemIndex = other_nItemIndex;
-		nState = other_nState;
-	}
+struct CPLST_Select_Item {
+  CPLST_Select_Item(int32_t other_nItemIndex, int32_t other_nState) {
+    nItemIndex = other_nItemIndex;
+    nState = other_nState;
+  }
 
-	int32_t		nItemIndex;
-	int32_t		nState; //0:normal select -1:to deselect 1: to select
+  int32_t nItemIndex;
+  int32_t nState;  // 0:normal select -1:to deselect 1: to select
 };
 
-class CPLST_Select
-{
-public:
-	CPLST_Select();
-	virtual ~CPLST_Select();
-
-public:
-	void							Add(int32_t nItemIndex);
-	void							Add(int32_t nBeginIndex, int32_t nEndIndex);
-	void							Sub(int32_t nItemIndex);
-	void							Sub(int32_t nBeginIndex, int32_t nEndIndex);
-	FX_BOOL							IsExist(int32_t nItemIndex) const;
-	int32_t						Find(int32_t nItemIndex) const;
-	int32_t						GetCount() const;
-	int32_t						GetItemIndex(int32_t nIndex) const;
-	int32_t						GetState(int32_t nIndex) const;
-	void							Done();
-	void							DeselectAll();
-
-private:
-	CFX_ArrayTemplate<CPLST_Select_Item*>	m_aItems;
+class CPLST_Select {
+ public:
+  CPLST_Select();
+  virtual ~CPLST_Select();
+
+ public:
+  void Add(int32_t nItemIndex);
+  void Add(int32_t nBeginIndex, int32_t nEndIndex);
+  void Sub(int32_t nItemIndex);
+  void Sub(int32_t nBeginIndex, int32_t nEndIndex);
+  FX_BOOL IsExist(int32_t nItemIndex) const;
+  int32_t Find(int32_t nItemIndex) const;
+  int32_t GetCount() const;
+  int32_t GetItemIndex(int32_t nIndex) const;
+  int32_t GetState(int32_t nIndex) const;
+  void Done();
+  void DeselectAll();
+
+ private:
+  CFX_ArrayTemplate<CPLST_Select_Item*> m_aItems;
 };
 
-class CFX_ListCtrl : public CFX_List
-{
-public:
-	CFX_ListCtrl();
-	virtual ~CFX_ListCtrl();
-
-public:
-	void							SetNotify(IFX_List_Notify * pNotify);
-
-	void							OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl);
-	void							OnVK(int32_t nItemIndex,FX_BOOL bShift,FX_BOOL bCtrl);
-	FX_BOOL							OnChar(FX_WORD nChar,FX_BOOL bShift,FX_BOOL bCtrl);
-
-	virtual CPDF_Point				InToOut(const CPDF_Point & point) const;
-	virtual CPDF_Point				OutToIn(const CPDF_Point & point) const;
-	virtual CPDF_Rect				InToOut(const CPDF_Rect & rect) const;
-	virtual CPDF_Rect				OutToIn(const CPDF_Rect & rect) const;
-
-	virtual void					SetPlateRect(const CPDF_Rect & rect);
-	void							SetScrollPos(const CPDF_Point & point);
-	void							ScrollToListItem(int32_t nItemIndex);
-	virtual CPDF_Rect				GetItemRect(int32_t nIndex) const;
-	int32_t						GetCaret() const {return m_nCaretIndex;}
-	int32_t						GetSelect() const {return m_nSelItem;}
-	int32_t						GetTopItem() const;
-	virtual CPDF_Rect				GetContentRect() const;
-	virtual int32_t				GetItemIndex(const CPDF_Point & point) const;
-
-	void							AddString(const FX_WCHAR* string);
-	void							SetTopItem(int32_t nIndex);
-	void							Select(int32_t nItemIndex);
-	virtual void					SetCaret(int32_t nItemIndex);
-	virtual void					Empty();
-	virtual void					Cancel();
-	CFX_WideString					GetText() const;
-
-private:
-	void							SetMultipleSelect(int32_t nItemIndex, FX_BOOL bSelected);
-	void							SetSingleSelect(int32_t nItemIndex);
-	void							InvalidateItem(int32_t nItemIndex);
-	void							SelectItems();
-	FX_BOOL							IsItemVisible(int32_t nItemIndex) const;
-	void							SetScrollInfo();
-	void							SetScrollPosY(FX_FLOAT fy);
-	virtual void					ReArrange(int32_t nItemIndex);
-
-private:
-	IFX_List_Notify*				m_pNotify;
-	FX_BOOL							m_bNotifyFlag;
-	CPDF_Point						m_ptScrollPos;
-	CPLST_Select					m_aSelItems;	//for multiple
-	int32_t						m_nSelItem;		//for single
-	int32_t						m_nFootIndex;	//for multiple
-	FX_BOOL							m_bCtrlSel;		//for multiple
-	int32_t						m_nCaretIndex;	//for multiple
+class CFX_ListCtrl : public CFX_List {
+ public:
+  CFX_ListCtrl();
+  virtual ~CFX_ListCtrl();
+
+ public:
+  void SetNotify(IFX_List_Notify* pNotify);
+
+  void OnMouseDown(const CPDF_Point& point, FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnMouseMove(const CPDF_Point& point, FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl);
+  void OnVK(int32_t nItemIndex, FX_BOOL bShift, FX_BOOL bCtrl);
+  FX_BOOL OnChar(FX_WORD nChar, FX_BOOL bShift, FX_BOOL bCtrl);
+
+  virtual CPDF_Point InToOut(const CPDF_Point& point) const;
+  virtual CPDF_Point OutToIn(const CPDF_Point& point) const;
+  virtual CPDF_Rect InToOut(const CPDF_Rect& rect) const;
+  virtual CPDF_Rect OutToIn(const CPDF_Rect& rect) const;
+
+  virtual void SetPlateRect(const CPDF_Rect& rect);
+  void SetScrollPos(const CPDF_Point& point);
+  void ScrollToListItem(int32_t nItemIndex);
+  virtual CPDF_Rect GetItemRect(int32_t nIndex) const;
+  int32_t GetCaret() const { return m_nCaretIndex; }
+  int32_t GetSelect() const { return m_nSelItem; }
+  int32_t GetTopItem() const;
+  virtual CPDF_Rect GetContentRect() const;
+  virtual int32_t GetItemIndex(const CPDF_Point& point) const;
+
+  void AddString(const FX_WCHAR* string);
+  void SetTopItem(int32_t nIndex);
+  void Select(int32_t nItemIndex);
+  virtual void SetCaret(int32_t nItemIndex);
+  virtual void Empty();
+  virtual void Cancel();
+  CFX_WideString GetText() const;
+
+ private:
+  void SetMultipleSelect(int32_t nItemIndex, FX_BOOL bSelected);
+  void SetSingleSelect(int32_t nItemIndex);
+  void InvalidateItem(int32_t nItemIndex);
+  void SelectItems();
+  FX_BOOL IsItemVisible(int32_t nItemIndex) const;
+  void SetScrollInfo();
+  void SetScrollPosY(FX_FLOAT fy);
+  virtual void ReArrange(int32_t nItemIndex);
+
+ private:
+  IFX_List_Notify* m_pNotify;
+  FX_BOOL m_bNotifyFlag;
+  CPDF_Point m_ptScrollPos;
+  CPLST_Select m_aSelItems;  // for multiple
+  int32_t m_nSelItem;  // for single
+  int32_t m_nFootIndex;  // for multiple
+  FX_BOOL m_bCtrlSel;  // for multiple
+  int32_t m_nCaretIndex;  // for multiple
 };
 
 #endif  // FPDFSDK_INCLUDE_FXEDIT_FXET_LIST_H_