1 // Copyright 2014 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef _PWL_EDITCTRL_H_ 8 #define _PWL_EDITCTRL_H_ 9 10 enum PWL_EDIT_ALIGNFORMAT_H 11 { 12 PEAH_LEFT = 0, 13 PEAH_MIDDLE, 14 PEAH_RIGHT 15 }; 16 17 enum PWL_EDIT_ALIGNFORMAT_V 18 { 19 PEAV_TOP = 0, 20 PEAV_CENTER, 21 PEAV_BOTTOM 22 }; 23 24 class IPWL_Edit_Notify; 25 class CPWL_EditCtrl; 26 class CPWL_Caret; 27 class IFX_Edit; 28 class CPWL_Edit; 29 30 class IPWL_Edit_Notify 31 { 32 public: 33 //when the position of caret is changed in edit OnCaretMove(FX_INT32 x1,FX_INT32 y1,FX_INT32 x2,FX_INT32 y2)34 virtual void OnCaretMove(FX_INT32 x1, FX_INT32 y1, FX_INT32 x2, FX_INT32 y2) {} OnContentChange(const CPDF_Rect & rcContent)35 virtual void OnContentChange(const CPDF_Rect& rcContent){} 36 //OprType: 0 InsertWord 37 //1 InsertReturn 38 //2 BackSpace 39 //3 Delete 40 //4 Clear 41 //5 InsertText 42 //6 SetText OnInsertWord(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)43 virtual void OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnInsertReturn(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)44 virtual void OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnBackSpace(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)45 virtual void OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnDelete(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)46 virtual void OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnClear(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)47 virtual void OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnInsertText(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)48 virtual void OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnSetText(const CPVT_WordPlace & place,const CPVT_WordPlace & oldplace)49 virtual void OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace){} OnAddUndo(CPWL_Edit * pEdit)50 virtual void OnAddUndo(CPWL_Edit* pEdit) {} 51 }; 52 53 class PWL_CLASS CPWL_EditCtrl : public CPWL_Wnd, public IFX_Edit_Notify 54 { 55 friend class CPWL_Edit_Notify; 56 57 public: 58 CPWL_EditCtrl(); 59 virtual ~CPWL_EditCtrl(); 60 61 public: 62 virtual void OnCreate(PWL_CREATEPARAM & cp); 63 virtual void OnCreated(); 64 65 virtual FX_BOOL OnKeyDown(FX_WORD nChar, FX_DWORD nFlag); 66 virtual FX_BOOL OnChar(FX_WORD nChar, FX_DWORD nFlag); 67 virtual FX_BOOL OnLButtonDown(const CPDF_Point & point, FX_DWORD nFlag); 68 virtual FX_BOOL OnLButtonUp(const CPDF_Point & point, FX_DWORD nFlag); 69 virtual FX_BOOL OnMouseMove(const CPDF_Point & point, FX_DWORD nFlag); 70 virtual void OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, FX_INTPTR wParam = 0, FX_INTPTR lParam = 0); 71 72 virtual void CreateChildWnd(const PWL_CREATEPARAM & cp); 73 virtual void RePosChildWnd(); 74 virtual void SetFontSize(FX_FLOAT fFontSize); 75 virtual FX_FLOAT GetFontSize() const; 76 77 public: 78 virtual void SetText(FX_LPCWSTR csText); 79 80 virtual void CopyText(); 81 virtual void PasteText(); 82 virtual void CutText(); 83 84 CPDF_Rect GetContentRect() const; 85 void GetCaretPos(FX_INT32& x, FX_INT32& y) const; 86 FX_BOOL IsModified() const; 87 88 CFX_WideString GetText() const; 89 void SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar); 90 void GetSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar ) const; 91 void GetTextRange(const CPDF_Rect& rect, FX_INT32 & nStartChar, FX_INT32 & nEndChar) const; 92 CFX_WideString GetText(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const; 93 void Clear(); 94 void SelectAll(); 95 96 FX_INT32 GetCaret() const; 97 void SetCaret(FX_INT32 nPos); 98 FX_INT32 GetTotalWords() const; 99 100 void Paint(); 101 102 void EnableRefresh(FX_BOOL bRefresh); 103 CPDF_Point GetScrollPos() const; 104 void SetScrollPos(const CPDF_Point& point); 105 SetEditNotify(IPWL_Edit_Notify * pNotify)106 void SetEditNotify(IPWL_Edit_Notify* pNotify) {m_pEditNotify = pNotify;} 107 SetCharSet(FX_BYTE nCharSet)108 void SetCharSet(FX_BYTE nCharSet){m_nCharSet = nCharSet;} 109 FX_INT32 GetCharSet() const; 110 SetCodePage(FX_INT32 nCodePage)111 void SetCodePage(FX_INT32 nCodePage){m_nCodePage = nCodePage;} GetCodePage()112 FX_INT32 GetCodePage() const {return m_nCodePage;} 113 114 CPDF_Font * GetCaretFont() const; 115 FX_FLOAT GetCaretFontSize() const; 116 117 FX_BOOL CanUndo() const; 118 FX_BOOL CanRedo() const; 119 void Redo(); 120 void Undo(); 121 122 void SetReadyToInput(); 123 protected: 124 virtual void ShowVScrollBar(FX_BOOL bShow); 125 126 virtual void InsertWord(FX_WORD word, FX_INT32 nCharset); 127 virtual void InsertReturn(); 128 virtual void InsertText(FX_LPCWSTR csText); 129 130 virtual void SetCursor(); 131 FX_BOOL IsWndHorV(); 132 133 void Delete(); 134 void Backspace(); 135 136 protected: 137 void GetCaretInfo(CPDF_Point & ptHead, CPDF_Point & ptFoot) const; 138 void SetCaret(FX_BOOL bVisible, const CPDF_Point & ptHead, const CPDF_Point & ptFoot); 139 140 void SetEditCaret(FX_BOOL bVisible); 141 142 protected: IOnSetScrollInfoX(FX_FLOAT fPlateMin,FX_FLOAT fPlateMax,FX_FLOAT fContentMin,FX_FLOAT fContentMax,FX_FLOAT fSmallStep,FX_FLOAT fBigStep)143 virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax, 144 FX_FLOAT fContentMin, FX_FLOAT fContentMax, 145 FX_FLOAT fSmallStep, FX_FLOAT fBigStep){} 146 virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax, 147 FX_FLOAT fContentMin, FX_FLOAT fContentMax, 148 FX_FLOAT fSmallStep, FX_FLOAT fBigStep); IOnSetScrollPosX(FX_FLOAT fx)149 virtual void IOnSetScrollPosX(FX_FLOAT fx){} 150 virtual void IOnSetScrollPosY(FX_FLOAT fy); 151 virtual void IOnSetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot, const CPVT_WordPlace& place); 152 virtual void IOnCaretChange(const CPVT_SecProps & secProps, const CPVT_WordProps & wordProps); 153 virtual void IOnContentChange(const CPDF_Rect& rcContent); 154 virtual void IOnInvalidateRect(CPDF_Rect * pRect); 155 156 private: 157 void CreateEditCaret(const PWL_CREATEPARAM & cp); 158 159 protected: 160 IFX_Edit* m_pEdit; 161 CPWL_Caret* m_pEditCaret; 162 FX_BOOL m_bMouseDown; 163 IPWL_Edit_Notify* m_pEditNotify; 164 165 private: 166 FX_INT32 m_nCharSet; 167 FX_INT32 m_nCodePage; 168 }; 169 170 #endif 171 172