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Diffstat (limited to 'fpdfsdk/fxedit/fxet_edit.h')
| -rw-r--r-- | fpdfsdk/fxedit/fxet_edit.h | 560 |
1 files changed, 560 insertions, 0 deletions
diff --git a/fpdfsdk/fxedit/fxet_edit.h b/fpdfsdk/fxedit/fxet_edit.h new file mode 100644 index 0000000000..394a2fd3f3 --- /dev/null +++ b/fpdfsdk/fxedit/fxet_edit.h @@ -0,0 +1,560 @@ +// 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_FXEDIT_FXET_EDIT_H_ +#define FPDFSDK_FXEDIT_FXET_EDIT_H_ + +#include <memory> + +#include "core/fpdfdoc/cpvt_secprops.h" +#include "core/fpdfdoc/cpvt_wordprops.h" +#include "fpdfsdk/fxedit/fx_edit.h" + +class CFFL_FormFiller; +class CFX_Edit; +class CFX_Edit_Iterator; +class CFX_Edit_Provider; +class CFX_RenderDevice; +class CFX_SystemHandler; +class CPDF_PageObjectHolder; +class CPDF_TextObject; +class CPWL_Edit; +class CPWL_EditCtrl; + +class IFX_Edit_UndoItem; + +struct CFX_Edit_LineRect { + CFX_Edit_LineRect(const CPVT_WordRange& wrLine, const CFX_FloatRect& rcLine) + : m_wrLine(wrLine), m_rcLine(rcLine) {} + + CPVT_WordRange m_wrLine; + CFX_FloatRect m_rcLine; +}; + +class CFX_Edit_LineRectArray { + public: + CFX_Edit_LineRectArray(); + virtual ~CFX_Edit_LineRectArray(); + + void Empty(); + void RemoveAll(); + void operator=(CFX_Edit_LineRectArray& rects); + void Add(const CPVT_WordRange& wrLine, const CFX_FloatRect& rcLine); + + int32_t GetSize() const; + CFX_Edit_LineRect* GetAt(int32_t nIndex) const; + + private: + CFX_ArrayTemplate<CFX_Edit_LineRect*> m_LineRects; +}; + +class CFX_Edit_RectArray { + public: + CFX_Edit_RectArray(); + virtual ~CFX_Edit_RectArray(); + + void Empty(); + void Add(const CFX_FloatRect& rect); + + int32_t GetSize() const; + CFX_FloatRect* GetAt(int32_t nIndex) const; + + private: + CFX_ArrayTemplate<CFX_FloatRect*> m_Rects; +}; + +class CFX_Edit_Refresh { + public: + CFX_Edit_Refresh(); + virtual ~CFX_Edit_Refresh(); + + void BeginRefresh(); + void Push(const CPVT_WordRange& linerange, const CFX_FloatRect& rect); + void NoAnalyse(); + void AddRefresh(const CFX_FloatRect& 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_Select { + public: + CFX_Edit_Select(); + CFX_Edit_Select(const CPVT_WordPlace& begin, const CPVT_WordPlace& end); + explicit CFX_Edit_Select(const CPVT_WordRange& range); + + void Default(); + void Set(const CPVT_WordPlace& begin, const CPVT_WordPlace& end); + void SetBeginPos(const CPVT_WordPlace& begin); + void SetEndPos(const CPVT_WordPlace& end); + + CPVT_WordRange ConvertToWordRange() const; + FX_BOOL IsExist() const; + + CPVT_WordPlace BeginPos, EndPos; +}; + +class CFX_Edit_Undo { + public: + explicit CFX_Edit_Undo(int32_t nBufsize); + 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; + + void Reset(); + + private: + 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 IFX_Edit_UndoItem { + public: + virtual ~IFX_Edit_UndoItem() {} + + virtual void Undo() = 0; + virtual void Redo() = 0; + virtual CFX_WideString GetUndoTitle() = 0; +}; + +class CFX_Edit_UndoItem : public IFX_Edit_UndoItem { + public: + CFX_Edit_UndoItem(); + ~CFX_Edit_UndoItem() override; + + CFX_WideString GetUndoTitle() override; + + void SetFirst(FX_BOOL bFirst); + void SetLast(FX_BOOL bLast); + FX_BOOL IsLast(); + + private: + FX_BOOL m_bFirst; + FX_BOOL m_bLast; +}; + +class CFX_Edit_GroupUndoItem : public IFX_Edit_UndoItem { + public: + explicit CFX_Edit_GroupUndoItem(const CFX_WideString& sTitle); + ~CFX_Edit_GroupUndoItem() override; + + // IFX_Edit_UndoItem + 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; +}; + +class CFXEU_InsertWord : public CFX_Edit_UndoItem { + public: + CFXEU_InsertWord(CFX_Edit* pEdit, + const CPVT_WordPlace& wpOldPlace, + const CPVT_WordPlace& wpNewPlace, + uint16_t 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; + uint16_t 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, + uint16_t 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; + uint16_t 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, + uint16_t 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; + uint16_t 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_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); + ~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; +}; + +class CFX_Edit { + public: + static CFX_ByteString GetEditAppearanceStream(CFX_Edit* pEdit, + const CFX_FloatPoint& ptOffset, + const CPVT_WordRange* pRange, + FX_BOOL bContinuous, + uint16_t SubWord); + static CFX_ByteString GetSelectAppearanceStream( + CFX_Edit* pEdit, + const CFX_FloatPoint& ptOffset, + const CPVT_WordRange* pRange); + static void DrawEdit(CFX_RenderDevice* pDevice, + CFX_Matrix* pUser2Device, + CFX_Edit* pEdit, + FX_COLORREF crTextFill, + FX_COLORREF crTextStroke, + const CFX_FloatRect& rcClip, + const CFX_FloatPoint& ptOffset, + const CPVT_WordRange* pRange, + CFX_SystemHandler* pSystemHandler, + CFFL_FormFiller* pFFLData); + static void GeneratePageObjects( + CPDF_PageObjectHolder* pObjectHolder, + CFX_Edit* pEdit, + const CFX_FloatPoint& ptOffset, + const CPVT_WordRange* pRange, + FX_COLORREF crText, + CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray); + + CFX_Edit(); + ~CFX_Edit(); + + void SetFontMap(IPVT_FontMap* pFontMap); + void SetNotify(CPWL_EditCtrl* pNotify); + void SetOprNotify(CPWL_Edit* pOprNotify); + + // Returns an iterator for the contents. Should not be released. + CFX_Edit_Iterator* GetIterator(); + IPVT_FontMap* GetFontMap(); + void Initialize(); + + // Set the bounding box of the text area. + void SetPlateRect(const CFX_FloatRect& rect); + void SetScrollPos(const CFX_FloatPoint& point); + + // Set the horizontal text alignment. (nFormat [0:left, 1:middle, 2:right]) + void SetAlignmentH(int32_t nFormat, FX_BOOL bPaint); + // Set the vertical text alignment. (nFormat [0:left, 1:middle, 2:right]) + void SetAlignmentV(int32_t nFormat, FX_BOOL bPaint); + + // Set the substitution character for hidden text. + void SetPasswordChar(uint16_t wSubWord, FX_BOOL bPaint); + + // Set the maximum number of words in the text. + void SetLimitChar(int32_t nLimitChar); + void SetCharArray(int32_t nCharArray); + void SetCharSpace(FX_FLOAT fCharSpace); + void SetMultiLine(FX_BOOL bMultiLine, FX_BOOL bPaint); + void SetAutoReturn(FX_BOOL bAuto, FX_BOOL bPaint); + void SetAutoFontSize(FX_BOOL bAuto, FX_BOOL bPaint); + void SetAutoScroll(FX_BOOL bAuto, FX_BOOL bPaint); + void SetFontSize(FX_FLOAT fFontSize); + void SetTextOverflow(FX_BOOL bAllowed, FX_BOOL bPaint); + void OnMouseDown(const CFX_FloatPoint& point, FX_BOOL bShift, FX_BOOL bCtrl); + void OnMouseMove(const CFX_FloatPoint& 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 CFX_WideString& sText); + FX_BOOL InsertWord(uint16_t word, int32_t charset); + FX_BOOL InsertReturn(); + FX_BOOL Backspace(); + FX_BOOL Delete(); + FX_BOOL Clear(); + FX_BOOL InsertText(const CFX_WideString& sText, int32_t charset); + FX_BOOL Redo(); + FX_BOOL Undo(); + int32_t WordPlaceToWordIndex(const CPVT_WordPlace& place) const; + CPVT_WordPlace WordIndexToWordPlace(int32_t index) const; + CPVT_WordPlace SearchWordPlace(const CFX_FloatPoint& point) const; + int32_t GetCaret() const; + CPVT_WordPlace GetCaretWordPlace() const; + CFX_WideString GetSelText() const; + CFX_WideString GetText() const; + FX_FLOAT GetFontSize() const; + uint16_t GetPasswordChar() const; + CFX_FloatPoint GetScrollPos() const; + int32_t GetCharArray() const; + CFX_FloatRect GetContentRect() const; + CFX_WideString GetRangeText(const CPVT_WordRange& range) const; + int32_t GetHorzScale() const; + FX_FLOAT GetCharSpace() const; + int32_t GetTotalWords() const; + void SetSel(int32_t nStartChar, int32_t nEndChar); + void GetSel(int32_t& nStartChar, int32_t& nEndChar) const; + void SelectAll(); + void SelectNone(); + FX_BOOL IsSelected() const; + void Paint(); + void EnableRefresh(FX_BOOL bRefresh); + void RefreshWordRange(const CPVT_WordRange& wr); + void SetCaret(int32_t nPos); + CPVT_WordRange GetWholeWordRange() const; + 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; + CPVT_WordRange GetVisibleWordRange() const; + + FX_BOOL Empty(); + + CPVT_WordPlace DoInsertText(const CPVT_WordPlace& place, + const CFX_WideString& sText, + int32_t charset); + int32_t GetCharSetFromUnicode(uint16_t word, int32_t nOldCharset); + + int32_t GetTotalLines() const; + + private: + 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_InsertText; + + 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(); + + FX_BOOL InsertWord(uint16_t 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 CFX_WideString& sText, + int32_t charset, + FX_BOOL bAddUndo, + FX_BOOL bPaint); + void PaintInsertText(const CPVT_WordPlace& wpOld, + const CPVT_WordPlace& wpNew); + + inline CFX_FloatPoint VTToEdit(const CFX_FloatPoint& point) const; + inline CFX_FloatPoint EditToVT(const CFX_FloatPoint& point) const; + inline CFX_FloatRect VTToEdit(const CFX_FloatRect& rect) const; + + void Refresh(); + void RefreshPushLineRects(const CPVT_WordRange& wr); + + void SetCaret(const CPVT_WordPlace& place); + void SetCaretInfo(); + void SetCaretOrigin(); + + void AddEditUndoItem(CFX_Edit_UndoItem* pEditUndoItem); + + private: + std::unique_ptr<CPDF_VariableText> m_pVT; + CPWL_EditCtrl* m_pNotify; + CPWL_Edit* m_pOprNotify; + std::unique_ptr<CFX_Edit_Provider> m_pVTProvider; + + CPVT_WordPlace m_wpCaret; + CPVT_WordPlace m_wpOldCaret; + CFX_Edit_Select m_SelState; + + CFX_FloatPoint m_ptScrollPos; + CFX_FloatPoint m_ptRefreshScrollPos; + FX_BOOL m_bEnableScroll; + std::unique_ptr<CFX_Edit_Iterator> m_pIterator; + CFX_Edit_Refresh m_Refresh; + CFX_FloatPoint m_ptCaret; + CFX_Edit_Undo m_Undo; + int32_t m_nAlignment; + FX_BOOL m_bNotifyFlag; + FX_BOOL m_bEnableOverflow; + FX_BOOL m_bEnableRefresh; + CFX_FloatRect m_rcOldContent; + FX_BOOL m_bEnableUndo; + FX_BOOL m_bOprNotify; + CFX_Edit_GroupUndoItem* m_pGroupUndoItem; +}; + +class CFX_Edit_Iterator { + public: + CFX_Edit_Iterator(CFX_Edit* pEdit, CPDF_VariableText::Iterator* pVTIterator); + ~CFX_Edit_Iterator(); + + FX_BOOL NextWord(); + FX_BOOL PrevWord(); + 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; + + private: + CFX_Edit* m_pEdit; + CPDF_VariableText::Iterator* m_pVTIterator; +}; + +class CFX_Edit_Provider : public CPDF_VariableText::Provider { + public: + explicit CFX_Edit_Provider(IPVT_FontMap* pFontMap); + ~CFX_Edit_Provider() override; + + IPVT_FontMap* GetFontMap(); + + // CPDF_VariableText::Provider: + int32_t GetCharWidth(int32_t nFontIndex, uint16_t word) override; + int32_t GetTypeAscent(int32_t nFontIndex) override; + int32_t GetTypeDescent(int32_t nFontIndex) override; + int32_t GetWordFontIndex(uint16_t word, + int32_t charset, + int32_t nFontIndex) override; + int32_t GetDefaultFontIndex() override; + FX_BOOL IsLatinWord(uint16_t word) override; + + private: + IPVT_FontMap* m_pFontMap; +}; + +#endif // FPDFSDK_FXEDIT_FXET_EDIT_H_ |