Convert all line endings to LF.

1 files changed, 823 insertions, 823 deletions

diff --git a/fpdfsdk/include/fxedit/fxet_edit.h b/fpdfsdk/include/fxedit/fxet_edit.h
index 72b780956d..f65715b196 100644
--- a/fpdfsdk/include/fxedit/fxet_edit.h
+++ b/fpdfsdk/include/fxedit/fxet_edit.h
@@ -1,823 +1,823 @@
-// Copyright 2014 PDFium Authors. All rights reserved.

-// Use of this source code is governed by a BSD-style license that can be

-// found in the LICENSE file.

- 

-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

-

-#ifndef _FXET_EDIT_H_

-#define _FXET_EDIT_H_

-

-#include "fx_edit.h"

-

-class CFX_Edit_Page;

-struct CFX_Edit_LineRect;

-class CFX_Edit_LineRectArray;

-class CFX_Edit_RectArray;

-class CFX_Edit_Refresh;

-class CFX_Edit_Select;

-class CFX_Edit;

-class CFX_Edit_Iterator;

-class CFX_Edit_Refresh;

-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))

-

-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

-

-

-/* ------------------------- CFX_Edit_Refresh ---------------------------- */

-

-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)

-	{

-	}

-

-	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;

-};

-

-class CFX_Edit_LineRectArray

-{

-public:

-	CFX_Edit_LineRectArray()

-	{

-	}

-

-	virtual ~CFX_Edit_LineRectArray()

-	{

-		Empty();

-	}

-

-	void Empty()

-	{

-		for (FX_INT32 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 (FX_INT32 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);

-	}

-

-	FX_INT32 GetSize() const

-	{

-		return m_LineRects.GetSize();

-	}

-

-	CFX_Edit_LineRect * GetAt(FX_INT32 nIndex) const

-	{

-		if (nIndex < 0 || nIndex >= m_LineRects.GetSize())

-			return NULL;

-

-		return m_LineRects.GetAt(nIndex);

-	}

-

-	CFX_ArrayTemplate<CFX_Edit_LineRect*>		m_LineRects;

-};

-

-class CFX_Edit_RectArray

-{

-public:

-	CFX_Edit_RectArray()

-	{

-	}

-

-	virtual ~CFX_Edit_RectArray()

-	{

-		this->Empty();

-	}

-

-	void Empty()

-	{

-		for (FX_INT32 i = 0, sz = m_Rects.GetSize(); i < sz; i++)

-			delete m_Rects.GetAt(i);

-

-		this->m_Rects.RemoveAll();

-	}

-

-	void Add(const CPDF_Rect & rect)

-	{

-		//check for overlaped area

-		for (FX_INT32 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);

-	}

-

-	FX_INT32 GetSize() const

-	{

-		return m_Rects.GetSize();

-	}

-

-	CPDF_Rect * GetAt(FX_INT32 nIndex) const

-	{

-		if (nIndex < 0 || nIndex >= m_Rects.GetSize())

-			return NULL;

-

-		return m_Rects.GetAt(nIndex);

-	}

-

-	CFX_ArrayTemplate<CPDF_Rect*>			m_Rects;

-};

-

-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(FX_INT32 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;

-};

-

-

-/* ------------------------- CFX_Edit_Select ---------------------------- */

-

-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(this->BeginPos,this->EndPos);

-	}

-

-	void Default()

-	{

-		BeginPos.Default();

-		EndPos.Default();

-	}

-

-	void Set(const CPVT_WordPlace & begin,const CPVT_WordPlace & end)

-	{

-		this->BeginPos = begin;

-		this->EndPos = end;

-	}

-

-	void SetBeginPos(const CPVT_WordPlace & begin)

-	{

-		this->BeginPos = begin;

-	}

-

-	void SetEndPos(const CPVT_WordPlace & end)

-	{

-		this->EndPos = end;

-	}

-

-	FX_BOOL IsExist() const

-	{

-		return this->BeginPos != this->EndPos;

-	}

-

-	FX_BOOL operator != (const CPVT_WordRange & wr) const

-	{

-		return wr.BeginPos != this->BeginPos || wr.EndPos != this->EndPos;

-	}

-

-	CPVT_WordPlace BeginPos,EndPos;

-};

-

-/* ------------------------- CFX_Edit_Undo ---------------------------- */

-

-class CFX_Edit_Undo

-{

-public:

-	CFX_Edit_Undo(FX_INT32 nBufsize = 10000);

-	virtual ~CFX_Edit_Undo();

-

-	void									Undo();

-	void									Redo();

-

-	void									AddItem(IFX_Edit_UndoItem* pItem);

-

-	FX_BOOL									CanUndo() const;

-	FX_BOOL									CanRedo() const;

-	FX_BOOL									IsModified() const;

-	FX_BOOL									IsWorking() const;

-

-	void									Reset();

-

-	IFX_Edit_UndoItem*						GetItem(FX_INT32 nIndex);

-	FX_INT32								GetItemCount(){return m_UndoItemStack.GetSize();}

-	FX_INT32								GetCurUndoPos(){return m_nCurUndoPos;}

-

-private:

-	void									SetBufSize(FX_INT32 nSize){m_nBufSize = nSize;}

-	FX_INT32								GetBufSize(){return m_nBufSize;}

-

-	void									RemoveHeads();

-	void									RemoveTails();

-

-private:

-	CFX_ArrayTemplate<IFX_Edit_UndoItem*>	m_UndoItemStack;

-	

-	FX_INT32								m_nCurUndoPos;

-	FX_INT32								m_nBufSize;

-	FX_BOOL									m_bModified; 

-	FX_BOOL									m_bVirgin;

-	FX_BOOL									m_bWorking;

-};

-

-class CFX_Edit_UndoItem : public IFX_Edit_UndoItem

-{

-public:

-	CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {}

-	virtual ~CFX_Edit_UndoItem(){}

-

-	virtual CFX_WideString					GetUndoTitle() {return L"";}

-	virtual void							Release(){delete this;}

-

-public:

-	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 CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem

-{

-public:

-	CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle);

-	virtual ~CFX_Edit_GroupUndoItem();

-

-	void									AddUndoItem(CFX_Edit_UndoItem* pUndoItem);

-	void									UpdateItems();

-

-public:

-	virtual void							Undo();

-	virtual void							Redo();

-	virtual CFX_WideString					GetUndoTitle();

-	virtual void							Release();

-

-private:

-	CFX_WideString							m_sTitle;

-	CFX_ArrayTemplate<CFX_Edit_UndoItem*>	m_Items;

-};

-

-/* ------------------------- 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, FX_INT32 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;

-	FX_INT32					m_nCharset;

-	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_Backspace : public CFX_Edit_UndoItem

-{

-public:

-	CFXEU_Backspace(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,

-						FX_WORD word, FX_INT32 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;

-	FX_INT32					m_nCharset;

-	CPVT_SecProps				m_SecProps;

-	CPVT_WordProps				m_WordProps;

-};

-

-class CFXEU_Delete : public CFX_Edit_UndoItem

-{

-public:

-	CFXEU_Delete(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,

-						FX_WORD word, FX_INT32 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;

-	FX_INT32					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;

-};

-

-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, FX_INT32 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;

-	FX_INT32					m_nCharset;

-	CPVT_SecProps				m_SecProps;

-	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, FX_INT32 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;

-	FX_INT32					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;	

-};

-

-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(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE);

-	void									SetAlignmentV(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE);

-	void									SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE);

-	void									SetLimitChar(FX_INT32 nLimitChar = 0, FX_BOOL bPaint = TRUE);

-	void									SetCharArray(FX_INT32 nCharArray = 0, FX_BOOL bPaint = TRUE);

-	void									SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE);

-	void									SetHorzScale(FX_INT32 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(FX_INT32 nFontIndex);

-	FX_BOOL									SetRichTextColor(FX_COLORREF dwColor);

-	FX_BOOL									SetRichTextScript(FX_INT32 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(FX_INT32 nHorzScale = 100);

-	FX_BOOL									SetRichTextLineLeading(FX_FLOAT fLineLeading);

-	FX_BOOL									SetRichTextLineIndent(FX_FLOAT fLineIndent);

-	FX_BOOL									SetRichTextAlignment(FX_INT32 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(FX_LPCWSTR text,FX_INT32 charset = DEFAULT_CHARSET,

-													const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL);	

-	FX_BOOL									InsertWord(FX_WORD word, FX_INT32 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(FX_LPCWSTR text, FX_INT32 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, FX_LPCWSTR text, FX_INT32 charset, 

-												const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps);

-	FX_INT32								GetCharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset);

-

-	FX_INT32								WordPlaceToWordIndex(const CPVT_WordPlace & place) const;

-	CPVT_WordPlace							WordIndexToWordPlace(FX_INT32 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;

-

-	FX_INT32								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;

-	FX_INT32								GetCharArray() const;

-	CPDF_Rect								GetPlateRect() const;

-	CPDF_Rect								GetContentRect() const;

-	CFX_WideString							GetRangeText(const CPVT_WordRange & range) const;

-	FX_INT32								GetHorzScale() const;

-	FX_FLOAT								GetCharSpace() const;

-	FX_INT32								GetTotalWords() const;

-	FX_INT32								GetTotalLines() const;

-

-	void									SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar);

-	void									GetSel(FX_INT32 & nStartChar, FX_INT32 & 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(FX_LPCWSTR text,FX_INT32 charset,

-													const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint);	

-	FX_BOOL									InsertWord(FX_WORD word, FX_INT32 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(FX_LPCWSTR text, FX_INT32 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(FX_INT32 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;

-	FX_INT32								m_nAlignment;

-	FX_BOOL									m_bNotifyFlag;

-	FX_BOOL									m_bTextFullFlag;

-	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(FX_INT32 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();

-

-	IFX_Edit_FontMap*			GetFontMap();

-

-	FX_INT32					GetCharWidth(FX_INT32 nFontIndex, FX_WORD word, FX_INT32 nWordStyle);

-	FX_INT32					GetTypeAscent(FX_INT32 nFontIndex);

-	FX_INT32					GetTypeDescent(FX_INT32 nFontIndex);

-	FX_INT32					GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex);

-	FX_INT32					GetDefaultFontIndex();

-	FX_BOOL						IsLatinWord(FX_WORD word);

-

-private:

-	IFX_Edit_FontMap*			m_pFontMap;

-};

-

-#endif //_FXET_EDIT_H_

-

+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+ 
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef _FXET_EDIT_H_
+#define _FXET_EDIT_H_
+
+#include "fx_edit.h"
+
+class CFX_Edit_Page;
+struct CFX_Edit_LineRect;
+class CFX_Edit_LineRectArray;
+class CFX_Edit_RectArray;
+class CFX_Edit_Refresh;
+class CFX_Edit_Select;
+class CFX_Edit;
+class CFX_Edit_Iterator;
+class CFX_Edit_Refresh;
+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))
+
+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
+
+
+/* ------------------------- CFX_Edit_Refresh ---------------------------- */
+
+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)
+	{
+	}
+
+	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;
+};
+
+class CFX_Edit_LineRectArray
+{
+public:
+	CFX_Edit_LineRectArray()
+	{
+	}
+
+	virtual ~CFX_Edit_LineRectArray()
+	{
+		Empty();
+	}
+
+	void Empty()
+	{
+		for (FX_INT32 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 (FX_INT32 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);
+	}
+
+	FX_INT32 GetSize() const
+	{
+		return m_LineRects.GetSize();
+	}
+
+	CFX_Edit_LineRect * GetAt(FX_INT32 nIndex) const
+	{
+		if (nIndex < 0 || nIndex >= m_LineRects.GetSize())
+			return NULL;
+
+		return m_LineRects.GetAt(nIndex);
+	}
+
+	CFX_ArrayTemplate<CFX_Edit_LineRect*>		m_LineRects;
+};
+
+class CFX_Edit_RectArray
+{
+public:
+	CFX_Edit_RectArray()
+	{
+	}
+
+	virtual ~CFX_Edit_RectArray()
+	{
+		this->Empty();
+	}
+
+	void Empty()
+	{
+		for (FX_INT32 i = 0, sz = m_Rects.GetSize(); i < sz; i++)
+			delete m_Rects.GetAt(i);
+
+		this->m_Rects.RemoveAll();
+	}
+
+	void Add(const CPDF_Rect & rect)
+	{
+		//check for overlaped area
+		for (FX_INT32 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);
+	}
+
+	FX_INT32 GetSize() const
+	{
+		return m_Rects.GetSize();
+	}
+
+	CPDF_Rect * GetAt(FX_INT32 nIndex) const
+	{
+		if (nIndex < 0 || nIndex >= m_Rects.GetSize())
+			return NULL;
+
+		return m_Rects.GetAt(nIndex);
+	}
+
+	CFX_ArrayTemplate<CPDF_Rect*>			m_Rects;
+};
+
+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(FX_INT32 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;
+};
+
+
+/* ------------------------- CFX_Edit_Select ---------------------------- */
+
+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(this->BeginPos,this->EndPos);
+	}
+
+	void Default()
+	{
+		BeginPos.Default();
+		EndPos.Default();
+	}
+
+	void Set(const CPVT_WordPlace & begin,const CPVT_WordPlace & end)
+	{
+		this->BeginPos = begin;
+		this->EndPos = end;
+	}
+
+	void SetBeginPos(const CPVT_WordPlace & begin)
+	{
+		this->BeginPos = begin;
+	}
+
+	void SetEndPos(const CPVT_WordPlace & end)
+	{
+		this->EndPos = end;
+	}
+
+	FX_BOOL IsExist() const
+	{
+		return this->BeginPos != this->EndPos;
+	}
+
+	FX_BOOL operator != (const CPVT_WordRange & wr) const
+	{
+		return wr.BeginPos != this->BeginPos || wr.EndPos != this->EndPos;
+	}
+
+	CPVT_WordPlace BeginPos,EndPos;
+};
+
+/* ------------------------- CFX_Edit_Undo ---------------------------- */
+
+class CFX_Edit_Undo
+{
+public:
+	CFX_Edit_Undo(FX_INT32 nBufsize = 10000);
+	virtual ~CFX_Edit_Undo();
+
+	void									Undo();
+	void									Redo();
+
+	void									AddItem(IFX_Edit_UndoItem* pItem);
+
+	FX_BOOL									CanUndo() const;
+	FX_BOOL									CanRedo() const;
+	FX_BOOL									IsModified() const;
+	FX_BOOL									IsWorking() const;
+
+	void									Reset();
+
+	IFX_Edit_UndoItem*						GetItem(FX_INT32 nIndex);
+	FX_INT32								GetItemCount(){return m_UndoItemStack.GetSize();}
+	FX_INT32								GetCurUndoPos(){return m_nCurUndoPos;}
+
+private:
+	void									SetBufSize(FX_INT32 nSize){m_nBufSize = nSize;}
+	FX_INT32								GetBufSize(){return m_nBufSize;}
+
+	void									RemoveHeads();
+	void									RemoveTails();
+
+private:
+	CFX_ArrayTemplate<IFX_Edit_UndoItem*>	m_UndoItemStack;
+	
+	FX_INT32								m_nCurUndoPos;
+	FX_INT32								m_nBufSize;
+	FX_BOOL									m_bModified; 
+	FX_BOOL									m_bVirgin;
+	FX_BOOL									m_bWorking;
+};
+
+class CFX_Edit_UndoItem : public IFX_Edit_UndoItem
+{
+public:
+	CFX_Edit_UndoItem() : m_bFirst(TRUE), m_bLast(TRUE) {}
+	virtual ~CFX_Edit_UndoItem(){}
+
+	virtual CFX_WideString					GetUndoTitle() {return L"";}
+	virtual void							Release(){delete this;}
+
+public:
+	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 CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem
+{
+public:
+	CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle);
+	virtual ~CFX_Edit_GroupUndoItem();
+
+	void									AddUndoItem(CFX_Edit_UndoItem* pUndoItem);
+	void									UpdateItems();
+
+public:
+	virtual void							Undo();
+	virtual void							Redo();
+	virtual CFX_WideString					GetUndoTitle();
+	virtual void							Release();
+
+private:
+	CFX_WideString							m_sTitle;
+	CFX_ArrayTemplate<CFX_Edit_UndoItem*>	m_Items;
+};
+
+/* ------------------------- 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, FX_INT32 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;
+	FX_INT32					m_nCharset;
+	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_Backspace : public CFX_Edit_UndoItem
+{
+public:
+	CFXEU_Backspace(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
+						FX_WORD word, FX_INT32 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;
+	FX_INT32					m_nCharset;
+	CPVT_SecProps				m_SecProps;
+	CPVT_WordProps				m_WordProps;
+};
+
+class CFXEU_Delete : public CFX_Edit_UndoItem
+{
+public:
+	CFXEU_Delete(CFX_Edit * pEdit, const CPVT_WordPlace & wpOldPlace, const CPVT_WordPlace & wpNewPlace,
+						FX_WORD word, FX_INT32 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;
+	FX_INT32					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;
+};
+
+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, FX_INT32 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;
+	FX_INT32					m_nCharset;
+	CPVT_SecProps				m_SecProps;
+	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, FX_INT32 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;
+	FX_INT32					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;	
+};
+
+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(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE);
+	void									SetAlignmentV(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE);
+	void									SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE);
+	void									SetLimitChar(FX_INT32 nLimitChar = 0, FX_BOOL bPaint = TRUE);
+	void									SetCharArray(FX_INT32 nCharArray = 0, FX_BOOL bPaint = TRUE);
+	void									SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE);
+	void									SetHorzScale(FX_INT32 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(FX_INT32 nFontIndex);
+	FX_BOOL									SetRichTextColor(FX_COLORREF dwColor);
+	FX_BOOL									SetRichTextScript(FX_INT32 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(FX_INT32 nHorzScale = 100);
+	FX_BOOL									SetRichTextLineLeading(FX_FLOAT fLineLeading);
+	FX_BOOL									SetRichTextLineIndent(FX_FLOAT fLineIndent);
+	FX_BOOL									SetRichTextAlignment(FX_INT32 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(FX_LPCWSTR text,FX_INT32 charset = DEFAULT_CHARSET,
+													const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL);	
+	FX_BOOL									InsertWord(FX_WORD word, FX_INT32 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(FX_LPCWSTR text, FX_INT32 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, FX_LPCWSTR text, FX_INT32 charset, 
+												const CPVT_SecProps * pSecProps, const CPVT_WordProps * pWordProps);
+	FX_INT32								GetCharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset);
+
+	FX_INT32								WordPlaceToWordIndex(const CPVT_WordPlace & place) const;
+	CPVT_WordPlace							WordIndexToWordPlace(FX_INT32 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;
+
+	FX_INT32								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;
+	FX_INT32								GetCharArray() const;
+	CPDF_Rect								GetPlateRect() const;
+	CPDF_Rect								GetContentRect() const;
+	CFX_WideString							GetRangeText(const CPVT_WordRange & range) const;
+	FX_INT32								GetHorzScale() const;
+	FX_FLOAT								GetCharSpace() const;
+	FX_INT32								GetTotalWords() const;
+	FX_INT32								GetTotalLines() const;
+
+	void									SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar);
+	void									GetSel(FX_INT32 & nStartChar, FX_INT32 & 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(FX_LPCWSTR text,FX_INT32 charset,
+													const CPVT_SecProps * pSecProps,const CPVT_WordProps * pWordProps,FX_BOOL bAddUndo, FX_BOOL bPaint);	
+	FX_BOOL									InsertWord(FX_WORD word, FX_INT32 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(FX_LPCWSTR text, FX_INT32 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(FX_INT32 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;
+	FX_INT32								m_nAlignment;
+	FX_BOOL									m_bNotifyFlag;
+	FX_BOOL									m_bTextFullFlag;
+	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(FX_INT32 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();
+
+	IFX_Edit_FontMap*			GetFontMap();
+
+	FX_INT32					GetCharWidth(FX_INT32 nFontIndex, FX_WORD word, FX_INT32 nWordStyle);
+	FX_INT32					GetTypeAscent(FX_INT32 nFontIndex);
+	FX_INT32					GetTypeDescent(FX_INT32 nFontIndex);
+	FX_INT32					GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex);
+	FX_INT32					GetDefaultFontIndex();
+	FX_BOOL						IsLatinWord(FX_WORD word);
+
+private:
+	IFX_Edit_FontMap*			m_pFontMap;
+};
+
+#endif //_FXET_EDIT_H_
+