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 FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDITCTRL_H_ 8 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDITCTRL_H_ 9 10 #include "PWL_Wnd.h" 11 #include "core/include/fxcrt/fx_string.h" 12 #include "fpdfsdk/include/fxedit/fx_edit.h" 13 14 class CPWL_Caret; 15 class CPWL_Edit; 16 class CPWL_EditCtrl; 17 class IFX_Edit; 18 class IPWL_Edit_Notify; 19 struct CPVT_WordPlace; 20 21 enum PWL_EDIT_ALIGNFORMAT_H { PEAH_LEFT = 0, PEAH_MIDDLE, PEAH_RIGHT }; 22 23 enum PWL_EDIT_ALIGNFORMAT_V { PEAV_TOP = 0, PEAV_CENTER, PEAV_BOTTOM }; 24 25 class IPWL_Edit_Notify { 26 public: 27 virtual ~IPWL_Edit_Notify() {} 28 // when the position of caret is changed in edit 29 virtual void OnCaretMove(int32_t x1, int32_t y1, int32_t x2, int32_t y2) {} 30 virtual void OnContentChange(const CPDF_Rect& rcContent) {} 31 // OprType: 0 InsertWord 32 // 1 InsertReturn 33 // 2 BackSpace 34 // 3 Delete 35 // 4 Clear 36 // 5 InsertText 37 // 6 SetText 38 virtual void OnInsertWord(const CPVT_WordPlace& place, 39 const CPVT_WordPlace& oldplace) {} 40 virtual void OnInsertReturn(const CPVT_WordPlace& place, 41 const CPVT_WordPlace& oldplace) {} 42 virtual void OnBackSpace(const CPVT_WordPlace& place, 43 const CPVT_WordPlace& oldplace) {} 44 virtual void OnDelete(const CPVT_WordPlace& place, 45 const CPVT_WordPlace& oldplace) {} 46 virtual void OnClear(const CPVT_WordPlace& place, 47 const CPVT_WordPlace& oldplace) {} 48 virtual void OnInsertText(const CPVT_WordPlace& place, 49 const CPVT_WordPlace& oldplace) {} 50 virtual void OnSetText(const CPVT_WordPlace& place, 51 const CPVT_WordPlace& oldplace) {} 52 virtual void OnAddUndo(CPWL_Edit* pEdit) {} 53 }; 54 55 class CPWL_EditCtrl : public CPWL_Wnd, public IFX_Edit_Notify { 56 friend class CPWL_Edit_Notify; 57 58 public: 59 CPWL_EditCtrl(); 60 ~CPWL_EditCtrl() override; 61 62 CPDF_Rect GetContentRect() const; 63 void GetCaretPos(int32_t& x, int32_t& y) const; 64 65 CFX_WideString GetText() const; 66 void SetSel(int32_t nStartChar, int32_t nEndChar); 67 void GetSel(int32_t& nStartChar, int32_t& nEndChar) const; 68 void GetTextRange(const CPDF_Rect& rect, 69 int32_t& nStartChar, 70 int32_t& nEndChar) const; 71 CFX_WideString GetText(int32_t& nStartChar, int32_t& nEndChar) const; 72 void Clear(); 73 void SelectAll(); 74 75 int32_t GetCaret() const; 76 void SetCaret(int32_t nPos); 77 int32_t GetTotalWords() const; 78 79 void Paint(); 80 81 void EnableRefresh(FX_BOOL bRefresh); 82 CPDF_Point GetScrollPos() const; 83 void SetScrollPos(const CPDF_Point& point); 84 85 void SetEditNotify(IPWL_Edit_Notify* pNotify) { m_pEditNotify = pNotify; } 86 87 void SetCharSet(uint8_t nCharSet) { m_nCharSet = nCharSet; } 88 int32_t GetCharSet() const; 89 90 void SetCodePage(int32_t nCodePage) { m_nCodePage = nCodePage; } 91 int32_t GetCodePage() const { return m_nCodePage; } 92 93 CPDF_Font* GetCaretFont() const; 94 FX_FLOAT GetCaretFontSize() const; 95 96 FX_BOOL CanUndo() const; 97 FX_BOOL CanRedo() const; 98 void Redo(); 99 void Undo(); 100 101 void SetReadyToInput(); 102 103 // CPWL_Wnd 104 void OnCreate(PWL_CREATEPARAM& cp) override; 105 void OnCreated() override; 106 FX_BOOL OnKeyDown(FX_WORD nChar, FX_DWORD nFlag) override; 107 FX_BOOL OnChar(FX_WORD nChar, FX_DWORD nFlag) override; 108 FX_BOOL OnLButtonDown(const CPDF_Point& point, FX_DWORD nFlag) override; 109 FX_BOOL OnLButtonUp(const CPDF_Point& point, FX_DWORD nFlag) override; 110 FX_BOOL OnMouseMove(const CPDF_Point& point, FX_DWORD nFlag) override; 111 void OnNotify(CPWL_Wnd* pWnd, 112 FX_DWORD msg, 113 intptr_t wParam = 0, 114 intptr_t lParam = 0) override; 115 void CreateChildWnd(const PWL_CREATEPARAM& cp) override; 116 void RePosChildWnd() override; 117 void SetFontSize(FX_FLOAT fFontSize) override; 118 FX_FLOAT GetFontSize() const override; 119 void SetCursor() override; 120 121 protected: 122 // IFX_Edit_Notify 123 void IOnSetScrollInfoX(FX_FLOAT fPlateMin, 124 FX_FLOAT fPlateMax, 125 FX_FLOAT fContentMin, 126 FX_FLOAT fContentMax, 127 FX_FLOAT fSmallStep, 128 FX_FLOAT fBigStep) override {} 129 void IOnSetScrollInfoY(FX_FLOAT fPlateMin, 130 FX_FLOAT fPlateMax, 131 FX_FLOAT fContentMin, 132 FX_FLOAT fContentMax, 133 FX_FLOAT fSmallStep, 134 FX_FLOAT fBigStep) override; 135 void IOnSetScrollPosX(FX_FLOAT fx) override {} 136 void IOnSetScrollPosY(FX_FLOAT fy) override; 137 void IOnSetCaret(FX_BOOL bVisible, 138 const CPDF_Point& ptHead, 139 const CPDF_Point& ptFoot, 140 const CPVT_WordPlace& place) override; 141 void IOnCaretChange(const CPVT_SecProps& secProps, 142 const CPVT_WordProps& wordProps) override; 143 void IOnContentChange(const CPDF_Rect& rcContent) override; 144 void IOnInvalidateRect(CPDF_Rect* pRect) override; 145 146 void InsertText(const FX_WCHAR* csText); 147 void SetText(const FX_WCHAR* csText); 148 void CopyText(); 149 void PasteText(); 150 void CutText(); 151 void ShowVScrollBar(FX_BOOL bShow); 152 void InsertWord(FX_WORD word, int32_t nCharset); 153 void InsertReturn(); 154 155 FX_BOOL IsWndHorV(); 156 157 void Delete(); 158 void Backspace(); 159 160 void GetCaretInfo(CPDF_Point& ptHead, CPDF_Point& ptFoot) const; 161 void SetCaret(FX_BOOL bVisible, 162 const CPDF_Point& ptHead, 163 const CPDF_Point& ptFoot); 164 165 void SetEditCaret(FX_BOOL bVisible); 166 167 private: 168 void CreateEditCaret(const PWL_CREATEPARAM& cp); 169 170 protected: 171 IFX_Edit* m_pEdit; 172 CPWL_Caret* m_pEditCaret; 173 FX_BOOL m_bMouseDown; 174 IPWL_Edit_Notify* m_pEditNotify; 175 176 private: 177 int32_t m_nCharSet; 178 int32_t m_nCodePage; 179 }; 180 181 #endif // FPDFSDK_INCLUDE_PDFWINDOW_PWL_EDITCTRL_H_ 182
