// 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 FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_ #define FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_ #include "../../../core/include/fpdfdoc/fpdf_vt.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 (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) { m_LineRects.Add(new CFX_Edit_LineRect(wrLine, rcLine)); } 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; }; 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 overlapped area for (int32_t i = 0, sz = m_Rects.GetSize(); i < sz; i++) { CPDF_Rect* pRect = m_Rects.GetAt(i); if (pRect && pRect->Contains(rect)) return; } m_Rects.Add(new CPDF_Rect(rect)); } 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; }; 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; }; /* ------------------------- 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(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; }; /* ------------------------- CFX_Edit_Undo ---------------------------- */ class CFX_Edit_Undo { public: CFX_Edit_Undo(int32_t 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(int32_t nIndex); int32_t GetItemCount() { return m_UndoItemStack.GetSize(); } int32_t GetCurUndoPos() { return m_nCurUndoPos; } private: void SetBufSize(int32_t nSize) { m_nBufSize = nSize; } int32_t GetBufSize() { return m_nBufSize; } void RemoveHeads(); void RemoveTails(); private: CFX_ArrayTemplate<IFX_Edit_UndoItem*> m_UndoItemStack; int32_t m_nCurUndoPos; int32_t 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) {} ~CFX_Edit_UndoItem() override {} 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 CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem { public: CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle); ~CFX_Edit_GroupUndoItem() override; void Undo() override; void Redo() override; CFX_WideString GetUndoTitle() override; void AddUndoItem(CFX_Edit_UndoItem* pUndoItem); void UpdateItems(); 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, int32_t charset, const CPVT_WordProps* pWordProps); ~CFXEU_InsertWord() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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_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); ~CFXEU_InsertReturn() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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, int32_t charset, const CPVT_SecProps& SecProps, const CPVT_WordProps& WordProps); ~CFXEU_Backspace() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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_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); ~CFXEU_Delete() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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); ~CFXEU_Clear() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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, int32_t charset, const CPVT_SecProps& SecProps, const CPVT_WordProps& WordProps); ~CFXEU_ClearRich() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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; }; 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); ~CFXEU_InsertText() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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); ~CFXEU_SetSecProps() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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); ~CFXEU_SetWordProps() override; // CFX_Edit_UndoItem void Redo() override; void Undo() override; 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); ~CFX_Edit() override; // IFX_Edit void SetFontMap(IFX_Edit_FontMap* pFontMap) override; void SetVTProvider(IPDF_VariableText_Provider* pProvider) override; void SetNotify(IFX_Edit_Notify* pNotify) override; void SetOprNotify(IFX_Edit_OprNotify* pOprNotify) override; IFX_Edit_Iterator* GetIterator() override; IPDF_VariableText* GetVariableText() override; IFX_Edit_FontMap* GetFontMap() override; void Initialize() override; void SetPlateRect(const CPDF_Rect& rect, FX_BOOL bPaint = TRUE) override; void SetScrollPos(const CPDF_Point& point) override; void SetAlignmentH(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) override; void SetAlignmentV(int32_t nFormat = 0, FX_BOOL bPaint = TRUE) override; void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE) override; void SetLimitChar(int32_t nLimitChar = 0, FX_BOOL bPaint = TRUE) override; void SetCharArray(int32_t nCharArray = 0, FX_BOOL bPaint = TRUE) override; void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE) override; void SetHorzScale(int32_t nHorzScale = 100, FX_BOOL bPaint = TRUE) override; void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE) override; void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE) override; void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) override; void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) override; void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) override; void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) override; void SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE) override; FX_BOOL IsRichText() const override; void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) override; FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) override; FX_BOOL SetRichFontIndex(int32_t nFontIndex) override; FX_BOOL SetRichTextColor(FX_COLORREF dwColor) override; FX_BOOL SetRichTextScript(int32_t nScriptType) override; FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) override; FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) override; FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) override; FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) override; FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) override; FX_BOOL SetRichTextHorzScale(int32_t nHorzScale = 100) override; FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) override; FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) override; FX_BOOL SetRichTextAlignment(int32_t nAlignment) override; void OnMouseDown(const CPDF_Point& point, FX_BOOL bShift, FX_BOOL bCtrl) override; void OnMouseMove(const CPDF_Point& point, FX_BOOL bShift, FX_BOOL bCtrl) override; void OnVK_UP(FX_BOOL bShift, FX_BOOL bCtrl) override; void OnVK_DOWN(FX_BOOL bShift, FX_BOOL bCtrl) override; void OnVK_LEFT(FX_BOOL bShift, FX_BOOL bCtrl) override; void OnVK_RIGHT(FX_BOOL bShift, FX_BOOL bCtrl) override; void OnVK_HOME(FX_BOOL bShift, FX_BOOL bCtrl) override; void OnVK_END(FX_BOOL bShift, FX_BOOL bCtrl) override; void SetText(const FX_WCHAR* text, int32_t charset = DEFAULT_CHARSET, const CPVT_SecProps* pSecProps = NULL, const CPVT_WordProps* pWordProps = NULL) override; FX_BOOL InsertWord(FX_WORD word, int32_t charset = DEFAULT_CHARSET, const CPVT_WordProps* pWordProps = NULL) override; FX_BOOL InsertReturn(const CPVT_SecProps* pSecProps = NULL, const CPVT_WordProps* pWordProps = NULL) override; FX_BOOL Backspace() override; FX_BOOL Delete() override; FX_BOOL Clear() override; FX_BOOL InsertText(const FX_WCHAR* text, int32_t charset = DEFAULT_CHARSET, const CPVT_SecProps* pSecProps = NULL, const CPVT_WordProps* pWordProps = NULL) override; FX_BOOL Redo() override; FX_BOOL Undo() override; int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const override; CPVT_WordPlace WordIndexToWordPlace(int32_t index) const override; CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace& place) const override; CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace& place) const override; CPVT_WordPlace GetSectionBeginPlace( const CPVT_WordPlace& place) const override; CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace& place) const override; CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const override; int32_t GetCaret() const override; CPVT_WordPlace GetCaretWordPlace() const override; CFX_WideString GetSelText() const override; CFX_WideString GetText() const override; FX_FLOAT GetFontSize() const override; FX_WORD GetPasswordChar() const override; CPDF_Point GetScrollPos() const override; int32_t GetCharArray() const override; CPDF_Rect GetPlateRect() const override; CPDF_Rect GetContentRect() const override; CFX_WideString GetRangeText(const CPVT_WordRange& range) const override; int32_t GetHorzScale() const override; FX_FLOAT GetCharSpace() const override; int32_t GetTotalWords() const override; void SetSel(int32_t nStartChar, int32_t nEndChar) override; void GetSel(int32_t& nStartChar, int32_t& nEndChar) const override; void SelectAll() override; void SelectNone() override; FX_BOOL IsSelected() const override; void Paint() override; void EnableNotify(FX_BOOL bNotify) override; void EnableRefresh(FX_BOOL bRefresh) override; void RefreshWordRange(const CPVT_WordRange& wr) override; void SetCaret(int32_t nPos) override; CPVT_WordRange GetWholeWordRange() const override; CPVT_WordRange GetSelectWordRange() const override; void EnableUndo(FX_BOOL bUndo) override; void EnableOprNotify(FX_BOOL bNotify) override; FX_BOOL IsTextFull() const override; FX_BOOL IsTextOverflow() const; FX_BOOL CanUndo() const override; FX_BOOL CanRedo() const override; FX_BOOL IsModified() const override; CPVT_WordRange GetVisibleWordRange() const override; void AddUndoItem(IFX_Edit_UndoItem* pUndoItem) override; FX_BOOL Empty(); 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 GetTotalLines() const; private: void SetSel(const CPVT_WordPlace& begin, const CPVT_WordPlace& end); void RearrangeAll(); void RearrangePart(const CPVT_WordRange& range); void ScrollToCaret(); void SetScrollInfo(); void SetScrollPosX(FX_FLOAT fx); void SetScrollPosY(FX_FLOAT fy); void SetScrollLimit(); void SetContentChanged(); 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 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 SetCaret(const CPVT_WordPlace& place); void SetCaretInfo(); void SetCaretOrigin(); void SetCaretChange(); CPVT_WordRange GetLatinWordsRange(const CPVT_WordPlace& place) const; CPVT_WordRange CombineWordRange(const CPVT_WordRange& wr1, const CPVT_WordRange& wr2); void BeginGroupUndo(const CFX_WideString& sTitle); void EndGroupUndo(); void AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem); 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); ~CFX_Edit_Iterator() override; // IFX_Edit_Iterator FX_BOOL NextWord() override; FX_BOOL NextLine() override; FX_BOOL NextSection() override; FX_BOOL PrevWord() override; FX_BOOL PrevLine() override; FX_BOOL PrevSection() override; FX_BOOL GetWord(CPVT_Word& word) const override; FX_BOOL GetLine(CPVT_Line& line) const override; FX_BOOL GetSection(CPVT_Section& section) const override; void SetAt(int32_t nWordIndex) override; void SetAt(const CPVT_WordPlace& place) override; const CPVT_WordPlace& GetAt() const override; IFX_Edit* GetEdit() const override; 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(); 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; }; #endif // FPDFSDK_INCLUDE_FXEDIT_FXET_EDIT_H_