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 _FX_EDIT_H_ 8 #define _FX_EDIT_H_ 9 10 #define PVTWORD_STYLE_NORMAL 0x0000L 11 #define PVTWORD_STYLE_HIGHLIGHT 0x0001L 12 #define PVTWORD_STYLE_UNDERLINE 0x0002L 13 #define PVTWORD_STYLE_CROSSOUT 0x0004L 14 #define PVTWORD_STYLE_SQUIGGLY 0x0008L 15 #define PVTWORD_STYLE_DUALCROSSOUT 0x0010L 16 #define PVTWORD_STYLE_BOLD 0x0020L 17 #define PVTWORD_STYLE_ITALIC 0x0040L 18 19 #define FX_EDIT_ISLATINWORD(u) (u == 0x2D || (u <= 0x005A && u >= 0x0041) || (u <= 0x007A && u >= 0x0061) || (u <= 0x02AF && u >= 0x00C0)) 20 21 #ifdef FX_READER_DLL 22 #ifdef FXET_EXPORT 23 #define FXET_CLASS __declspec(dllexport) 24 #else 25 #define FXET_CLASS 26 #endif 27 #else 28 #define FXET_CLASS 29 #endif 30 31 #ifndef DEFAULT_CHARSET 32 #define DEFAULT_CHARSET 1 33 #endif 34 35 class IFX_Edit_FontMap; 36 class IFX_Edit_Notify; 37 class IFX_Edit_Iterator; 38 class IFX_Edit_UndoItem; 39 class IFX_Edit; 40 class IFX_List_Notify; 41 class IFX_List; 42 class IFX_SystemHandler; 43 44 class IFX_Edit_FontMap 45 { 46 public: 47 //map a fontindex to pdf font. 48 virtual CPDF_Font * GetPDFFont(FX_INT32 nFontIndex) = 0; 49 //get the alias of a pdf font. 50 virtual CFX_ByteString GetPDFFontAlias(FX_INT32 nFontIndex) = 0; 51 //get the index of a font that can show a word. 52 virtual FX_INT32 GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex) = 0; 53 //get the charcode of word from unicode 54 virtual FX_INT32 CharCodeFromUnicode(FX_INT32 nFontIndex, FX_WORD word) = 0; 55 //get the charset of unicode 56 virtual FX_INT32 CharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset) = 0; 57 }; 58 59 class IFX_Edit_Notify 60 { 61 //this class is implemented by user 62 public: 63 //set the horizontal scrollbar information. 64 virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax, 65 FX_FLOAT fContentMin, FX_FLOAT fContentMax, 66 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0; 67 //set the vertical scrollbar information. 68 virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax, 69 FX_FLOAT fContentMin, FX_FLOAT fContentMax, 70 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0; 71 //set the position of horizontal scrollbar. 72 virtual void IOnSetScrollPosX(FX_FLOAT fx) = 0; 73 //set the position of vertical scrollbar. 74 virtual void IOnSetScrollPosY(FX_FLOAT fy) = 0; 75 //set the caret information. 76 virtual void IOnSetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot, const CPVT_WordPlace& place) = 0; 77 //if the caret position is changed ,send the information of current postion to user. 78 virtual void IOnCaretChange(const CPVT_SecProps & secProps, const CPVT_WordProps & wordProps) = 0; 79 //if the text area is changed, send the information to user. 80 virtual void IOnContentChange(const CPDF_Rect& rcContent) = 0; 81 //Invalidate the rectangle relative to the bounding box of edit. 82 virtual void IOnInvalidateRect(CPDF_Rect * pRect) = 0; 83 }; 84 85 class IFX_Edit_OprNotify 86 { 87 //this class is implemented by user 88 public: 89 //OprType: 0 90 virtual void OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 91 //OprType: 1 92 virtual void OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 93 //OprType: 2 94 virtual void OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 95 //OprType: 3 96 virtual void OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 97 //OprType: 4 98 virtual void OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 99 //OprType: 5 100 virtual void OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 101 //OprType: 6 102 virtual void OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0; 103 // 104 virtual void OnAddUndo(IFX_Edit_UndoItem* pUndoItem) = 0; 105 }; 106 107 class IFX_Edit_Iterator 108 { 109 public: 110 virtual ~IFX_Edit_Iterator() {} 111 public: 112 //move the current position to the next word. 113 virtual FX_BOOL NextWord() = 0; 114 //move the current position to the next line. 115 virtual FX_BOOL NextLine() = 0; 116 //move the current position to the next section. 117 virtual FX_BOOL NextSection() = 0; 118 119 //move the current position to the previous word. 120 virtual FX_BOOL PrevWord() = 0; 121 //move the current position to the previous line. 122 virtual FX_BOOL PrevLine() = 0; 123 //move the current position to the previous section. 124 virtual FX_BOOL PrevSection() = 0; 125 126 //get the information of the current word. 127 virtual FX_BOOL GetWord(CPVT_Word & word) const = 0; 128 //get the information of the current line. 129 virtual FX_BOOL GetLine(CPVT_Line & line) const = 0; 130 //get the information of the current section. 131 virtual FX_BOOL GetSection(CPVT_Section & section) const = 0; 132 //set the current position. 133 virtual void SetAt(FX_INT32 nWordIndex) = 0; 134 //set the current position. 135 virtual void SetAt(const CPVT_WordPlace & place) = 0; 136 //get the current position. 137 virtual const CPVT_WordPlace & GetAt() const = 0; 138 139 //get the edit which this iterator belongs to 140 virtual IFX_Edit* GetEdit() const = 0; 141 }; 142 143 class IFX_Edit_UndoItem 144 { 145 public: 146 virtual void Undo() = 0; 147 virtual void Redo() = 0; 148 virtual CFX_WideString GetUndoTitle() = 0; 149 virtual void Release() = 0; 150 }; 151 152 class FXET_CLASS IFX_Edit 153 { 154 public: 155 static IFX_Edit* NewEdit(); 156 static void DelEdit(IFX_Edit* pEdit); 157 158 public: 159 //set a IFX_Edit_FontMap pointer implemented by user. 160 virtual void SetFontMap(IFX_Edit_FontMap* pFontMap) = 0; 161 //if user don't like to use FontMap, implement VTProvider and set it directly. 162 virtual void SetVTProvider(IPDF_VariableText_Provider* pProvider) = 0; 163 //set a IFX_Edit_Notify pointer implemented by user. 164 virtual void SetNotify(IFX_Edit_Notify * pNotify) = 0; 165 virtual void SetOprNotify(IFX_Edit_OprNotify* pOprNotify) = 0; 166 //get a pointer allocated by CPDF_Edit, by this pointer, user can iterate the contents of edit, but don't need to release. 167 virtual IFX_Edit_Iterator* GetIterator() = 0; 168 //get a VT pointer relative to this edit. 169 virtual IPDF_VariableText* GetVariableText() = 0; 170 //get the IFX_Edit_FontMap pointer set by user. 171 virtual IFX_Edit_FontMap* GetFontMap() = 0; 172 173 //initialize the edit. 174 virtual void Initialize() = 0; 175 176 //set the bounding box of the text area. 177 virtual void SetPlateRect(const CPDF_Rect & rect, FX_BOOL bPaint = TRUE) = 0; 178 //set the scroll origin 179 virtual void SetScrollPos(const CPDF_Point & point) = 0; 180 181 //set the horizontal text alignment in text box, nFormat (0:left 1:middle 2:right). 182 virtual void SetAlignmentH(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE) = 0; 183 //set the vertical text alignment in text box, nFormat (0:top 1:center 2:bottom). 184 virtual void SetAlignmentV(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE) = 0; 185 //if the text is shown in secret , set a character for substitute. 186 virtual void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE) = 0; 187 //set the maximal count of words of the text. 188 virtual void SetLimitChar(FX_INT32 nLimitChar = 0, FX_BOOL bPaint = TRUE) = 0; 189 //if set the count of charArray , then all words is shown in equal space. 190 virtual void SetCharArray(FX_INT32 nCharArray = 0, FX_BOOL bPaint = TRUE) = 0; 191 //set the space of two characters. 192 virtual void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE) = 0; 193 //set the horizontal scale of all characters. 194 virtual void SetHorzScale(FX_INT32 nHorzScale = 100, FX_BOOL bPaint = TRUE) = 0; 195 //set the leading of all lines 196 virtual void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE) = 0; 197 //if set, CRLF is allowed. 198 virtual void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE) = 0; 199 //if set, all words auto fit the width of the bounding box. 200 virtual void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0; 201 //if set, a font size is calculated to full fit the bounding box. 202 virtual void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0; 203 //is set, the text is allowed to scroll. 204 virtual void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0; 205 //set the font size of all words. 206 virtual void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) = 0; 207 //the text is allowed to auto-scroll, allow the text overflow? 208 virtual void SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE) = 0; 209 210 //query if the edit is richedit. 211 virtual FX_BOOL IsRichText() const = 0; 212 //set the edit is richedit. 213 virtual void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) = 0; 214 //set the fontsize of selected text. 215 virtual FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) = 0; 216 //set the fontindex of selected text, user can change the font of selected text. 217 virtual FX_BOOL SetRichFontIndex(FX_INT32 nFontIndex) = 0; 218 //set the textcolor of selected text. 219 virtual FX_BOOL SetRichTextColor(FX_COLORREF dwColor) = 0; 220 //set the text script type of selected text. (0:normal 1:superscript 2:subscript) 221 virtual FX_BOOL SetRichTextScript(FX_INT32 nScriptType) = 0; 222 //set the bold font style of selected text. 223 virtual FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) = 0; 224 //set the italic font style of selected text. 225 virtual FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) = 0; 226 //set the underline style of selected text. 227 virtual FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) = 0; 228 //set the crossout style of selected text. 229 virtual FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) = 0; 230 //set the charspace of selected text, in user coordinate. 231 virtual FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) = 0; 232 //set the horizontal scale of selected text, default value is 100. 233 virtual FX_BOOL SetRichTextHorzScale(FX_INT32 nHorzScale = 100) = 0; 234 //set the leading of selected section, in user coordinate. 235 virtual FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) = 0; 236 //set the indent of selected section, in user coordinate. 237 virtual FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) = 0; 238 //set the alignment of selected section, nAlignment(0:left 1:middle 2:right) 239 virtual FX_BOOL SetRichTextAlignment(FX_INT32 nAlignment) = 0; 240 241 //set the selected range of text. 242 //if nStartChar == 0 and nEndChar == -1, select all the text. 243 virtual void SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar) = 0; 244 //get the selected range of text. 245 virtual void GetSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const = 0; 246 //select all the text. 247 virtual void SelectAll() = 0; 248 //set text is not selected. 249 virtual void SelectNone() = 0; 250 //get the caret position. 251 virtual FX_INT32 GetCaret() const = 0; 252 virtual CPVT_WordPlace GetCaretWordPlace() const = 0; 253 //get the string of selected text. 254 virtual CFX_WideString GetSelText() const = 0; 255 //get the text conent 256 virtual CFX_WideString GetText() const = 0; 257 //query if any text is selected. 258 virtual FX_BOOL IsSelected() const = 0; 259 //get the scroll origin 260 virtual CPDF_Point GetScrollPos() const = 0; 261 //get the bounding box of the text area. 262 virtual CPDF_Rect GetPlateRect() const = 0; 263 //get the fact area of the text. 264 virtual CPDF_Rect GetContentRect() const = 0; 265 //get the visible word range 266 virtual CPVT_WordRange GetVisibleWordRange() const = 0; 267 //get the whole word range 268 virtual CPVT_WordRange GetWholeWordRange() const = 0; 269 //get the word range of select text 270 virtual CPVT_WordRange GetSelectWordRange() const = 0; 271 272 //send the mousedown message to edit for response. 273 //if Shift key is hold, bShift is TRUE, is Ctrl key is hold, bCtrl is TRUE. 274 virtual void OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0; 275 //send the mousemove message to edit when mouse down is TRUE. 276 virtual void OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0; 277 //send the UP key message to edit. 278 virtual void OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 279 //send the DOWN key message to edit. 280 virtual void OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 281 //send the LEFT key message to edit. 282 virtual void OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 283 //send the RIGHT key message to edit. 284 virtual void OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 285 //send the HOME key message to edit. 286 virtual void OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 287 //send the END key message to edit. 288 virtual void OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 289 290 //put text into edit. 291 virtual void SetText(FX_LPCWSTR text,FX_INT32 charset = DEFAULT_CHARSET, 292 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0; 293 //insert a word into the edit. 294 virtual FX_BOOL InsertWord(FX_WORD word, FX_INT32 charset = DEFAULT_CHARSET, const CPVT_WordProps * pWordProps = NULL) = 0; 295 //insert a return into the edit. 296 virtual FX_BOOL InsertReturn(const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0; 297 //insert text into the edit. 298 virtual FX_BOOL InsertText(FX_LPCWSTR text, FX_INT32 charset = DEFAULT_CHARSET, 299 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0; 300 //do backspace operation. 301 virtual FX_BOOL Backspace() = 0; 302 //do delete operation. 303 virtual FX_BOOL Delete() = 0; 304 //delete the selected text. 305 virtual FX_BOOL Clear() = 0; 306 307 //do Redo operation. 308 virtual FX_BOOL Redo() = 0; 309 //do Undo operation. 310 virtual FX_BOOL Undo() = 0; 311 //move caret 312 virtual void SetCaret(FX_INT32 nPos) = 0; 313 314 //arrange all words over again 315 virtual void Paint() = 0; 316 317 //allow to refresh screen? 318 virtual void EnableRefresh(FX_BOOL bRefresh) = 0; 319 320 virtual void RefreshWordRange(const CPVT_WordRange& wr) = 0; 321 322 //allow undo/redo? 323 virtual void EnableUndo(FX_BOOL bUndo) = 0; 324 325 //allow notify? 326 virtual void EnableNotify(FX_BOOL bNotify) = 0; 327 328 //allow opr notify? 329 virtual void EnableOprNotify(FX_BOOL bNotify) = 0; 330 331 //map word place to word index. 332 virtual FX_INT32 WordPlaceToWordIndex(const CPVT_WordPlace & place) const = 0; 333 //map word index to word place. 334 virtual CPVT_WordPlace WordIndexToWordPlace(FX_INT32 index) const = 0; 335 336 //get the beginning position of a line 337 virtual CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace & place) const = 0; 338 339 //get the ending position of a line 340 virtual CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace & place) const = 0; 341 342 //get the beginning position of a section 343 virtual CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace & place) const = 0; 344 345 //get the ending position of a section 346 virtual CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace & place) const = 0; 347 348 //search a wordplace form point 349 virtual CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const = 0; 350 351 //get the font size of non_rich text or default font size of richtext. 352 virtual FX_FLOAT GetFontSize() const = 0; 353 //get the mask character. 354 virtual FX_WORD GetPasswordChar() const = 0; 355 //get the count of charArray 356 virtual FX_INT32 GetCharArray() const = 0; 357 //get the horizontal scale of all characters 358 virtual FX_INT32 GetHorzScale() const = 0; 359 //get the space of two characters 360 virtual FX_FLOAT GetCharSpace() const = 0; 361 //get the latin words of specified range 362 virtual CFX_WideString GetRangeText(const CPVT_WordRange & range) const = 0; 363 //is the text full in bounding box 364 virtual FX_BOOL IsTextFull() const = 0; 365 virtual FX_BOOL CanUndo() const = 0; 366 virtual FX_BOOL CanRedo() const = 0; 367 //if the content is changed after settext? 368 virtual FX_BOOL IsModified() const = 0; 369 //get the total words in edit 370 virtual FX_INT32 GetTotalWords() const = 0; 371 372 virtual void AddUndoItem(IFX_Edit_UndoItem* pUndoItem) = 0; 373 374 public: 375 static CFX_ByteString GetEditAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, 376 const CPVT_WordRange* pRange = NULL, 377 FX_BOOL bContinuous = TRUE, FX_WORD SubWord = 0); 378 static CFX_ByteString GetSelectAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, const CPVT_WordRange* pRange = NULL); 379 static void DrawEdit(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, FX_COLORREF crTextFill, FX_COLORREF crTextStroke, 380 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, IFX_SystemHandler* pSystemHandler, void* pFFLData); 381 static void DrawUnderline(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, FX_COLORREF color, 382 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange); 383 static void DrawRichEdit(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, 384 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange); 385 static void GeneratePageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit, 386 const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF crText, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray); 387 static void GenerateRichPageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit, 388 const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray); 389 static void GenerateUnderlineObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit, 390 const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF color); 391 }; 392 393 class IFX_List_Notify 394 { 395 //this class is implemented by user 396 public: 397 //set the horizontal scrollbar information. 398 virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax, 399 FX_FLOAT fContentMin, FX_FLOAT fContentMax, 400 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0; 401 //set the vertical scrollbar information. 402 virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax, 403 FX_FLOAT fContentMin, FX_FLOAT fContentMax, 404 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0; 405 //set the position of horizontal scrollbar. 406 virtual void IOnSetScrollPosX(FX_FLOAT fx) = 0; 407 //set the position of vertical scrollbar. 408 virtual void IOnSetScrollPosY(FX_FLOAT fy) = 0; 409 //Invalidate the rectangle relative to the bounding box of edit. 410 virtual void IOnInvalidateRect(CPDF_Rect * pRect) = 0; 411 }; 412 413 class FXET_CLASS IFX_List 414 { 415 public: 416 static IFX_List* NewList(); 417 static void DelList(IFX_List* pList); 418 419 public: 420 virtual void SetFontMap(IFX_Edit_FontMap * pFontMap) = 0; 421 virtual void SetNotify(IFX_List_Notify * pNotify) = 0; 422 423 virtual void SetPlateRect(const CPDF_Rect & rect) = 0; 424 virtual void SetFontSize(FX_FLOAT fFontSize) = 0; 425 426 virtual CPDF_Rect GetPlateRect() const = 0; 427 virtual CPDF_Rect GetContentRect() const = 0; 428 429 virtual FX_FLOAT GetFontSize() const = 0; 430 virtual IFX_Edit* GetItemEdit(FX_INT32 nIndex) const = 0; 431 virtual FX_INT32 GetCount() const = 0; 432 virtual FX_BOOL IsItemSelected(FX_INT32 nIndex) const = 0; 433 virtual FX_FLOAT GetFirstHeight() const = 0; 434 435 virtual void SetMultipleSel(FX_BOOL bMultiple) = 0; 436 virtual FX_BOOL IsMultipleSel() const = 0; 437 virtual FX_BOOL IsValid(FX_INT32 nItemIndex) const = 0; 438 virtual FX_INT32 FindNext(FX_INT32 nIndex,FX_WCHAR nChar) const = 0; 439 440 virtual void SetScrollPos(const CPDF_Point & point) = 0; 441 virtual void ScrollToListItem(FX_INT32 nItemIndex) = 0; 442 virtual CPDF_Rect GetItemRect(FX_INT32 nIndex) const = 0; 443 virtual FX_INT32 GetCaret() const = 0; 444 virtual FX_INT32 GetSelect() const = 0; 445 virtual FX_INT32 GetTopItem() const = 0; 446 virtual FX_INT32 GetItemIndex(const CPDF_Point & point) const = 0; 447 virtual FX_INT32 GetFirstSelected() const = 0; 448 449 virtual void AddString(FX_LPCWSTR string) = 0; 450 virtual void SetTopItem(FX_INT32 nIndex) = 0; 451 virtual void Select(FX_INT32 nItemIndex) = 0; 452 virtual void SetCaret(FX_INT32 nItemIndex) = 0; 453 virtual void Empty() = 0; 454 virtual void Cancel() = 0; 455 virtual CFX_WideString GetText() const = 0; 456 457 458 virtual void OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0; 459 virtual void OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0; 460 virtual void OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 461 virtual void OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 462 virtual void OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 463 virtual void OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 464 virtual void OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 465 virtual void OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl) = 0; 466 virtual void OnVK(FX_INT32 nItemIndex,FX_BOOL bShift,FX_BOOL bCtrl) = 0; 467 virtual FX_BOOL OnChar(FX_WORD nChar,FX_BOOL bShift,FX_BOOL bCtrl) = 0; 468 }; 469 470 #endif 471 472