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.
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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
19 #define FX_EDIT_ISLATINWORD(u) (u == 0x2D || (u <= 0x005A && u >= 0x0041) || (u <= 0x007A && u >= 0x0061) || (u <= 0x02AF && u >= 0x00C0))
23 #define FXET_CLASS __declspec(dllexport)
31 #ifndef DEFAULT_CHARSET
32 #define DEFAULT_CHARSET 1
35 class IFX_Edit_FontMap;
36 class IFX_Edit_Notify;
37 class IFX_Edit_Iterator;
38 class IFX_Edit_UndoItem;
40 class IFX_List_Notify;
42 class IFX_SystemHandler;
44 class IFX_Edit_FontMap
47 virtual ~IFX_Edit_FontMap() { }
48 //map a fontindex to pdf font.
49 virtual CPDF_Font * GetPDFFont(FX_INT32 nFontIndex) = 0;
50 //get the alias of a pdf font.
51 virtual CFX_ByteString GetPDFFontAlias(FX_INT32 nFontIndex) = 0;
52 //get the index of a font that can show a word.
53 virtual FX_INT32 GetWordFontIndex(FX_WORD word, FX_INT32 charset, FX_INT32 nFontIndex) = 0;
54 //get the charcode of word from unicode
55 virtual FX_INT32 CharCodeFromUnicode(FX_INT32 nFontIndex, FX_WORD word) = 0;
56 //get the charset of unicode
57 virtual FX_INT32 CharSetFromUnicode(FX_WORD word, FX_INT32 nOldCharset) = 0;
63 virtual ~IFX_Edit_Notify() { }
64 //set the horizontal scrollbar information.
65 virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
66 FX_FLOAT fContentMin, FX_FLOAT fContentMax,
67 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
68 //set the vertical scrollbar information.
69 virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
70 FX_FLOAT fContentMin, FX_FLOAT fContentMax,
71 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
72 //set the position of horizontal scrollbar.
73 virtual void IOnSetScrollPosX(FX_FLOAT fx) = 0;
74 //set the position of vertical scrollbar.
75 virtual void IOnSetScrollPosY(FX_FLOAT fy) = 0;
76 //set the caret information.
77 virtual void IOnSetCaret(FX_BOOL bVisible,const CPDF_Point & ptHead,const CPDF_Point & ptFoot, const CPVT_WordPlace& place) = 0;
78 //if the caret position is changed ,send the information of current postion to user.
79 virtual void IOnCaretChange(const CPVT_SecProps & secProps, const CPVT_WordProps & wordProps) = 0;
80 //if the text area is changed, send the information to user.
81 virtual void IOnContentChange(const CPDF_Rect& rcContent) = 0;
82 //Invalidate the rectangle relative to the bounding box of edit.
83 virtual void IOnInvalidateRect(CPDF_Rect * pRect) = 0;
86 class IFX_Edit_OprNotify
89 virtual ~IFX_Edit_OprNotify() { }
92 virtual void OnInsertWord(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
94 virtual void OnInsertReturn(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
96 virtual void OnBackSpace(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
98 virtual void OnDelete(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
100 virtual void OnClear(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
102 virtual void OnInsertText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
104 virtual void OnSetText(const CPVT_WordPlace& place, const CPVT_WordPlace& oldplace) = 0;
106 virtual void OnAddUndo(IFX_Edit_UndoItem* pUndoItem) = 0;
109 class IFX_Edit_Iterator
112 virtual ~IFX_Edit_Iterator() {}
114 //move the current position to the next word.
115 virtual FX_BOOL NextWord() = 0;
116 //move the current position to the next line.
117 virtual FX_BOOL NextLine() = 0;
118 //move the current position to the next section.
119 virtual FX_BOOL NextSection() = 0;
121 //move the current position to the previous word.
122 virtual FX_BOOL PrevWord() = 0;
123 //move the current position to the previous line.
124 virtual FX_BOOL PrevLine() = 0;
125 //move the current position to the previous section.
126 virtual FX_BOOL PrevSection() = 0;
128 //get the information of the current word.
129 virtual FX_BOOL GetWord(CPVT_Word & word) const = 0;
130 //get the information of the current line.
131 virtual FX_BOOL GetLine(CPVT_Line & line) const = 0;
132 //get the information of the current section.
133 virtual FX_BOOL GetSection(CPVT_Section & section) const = 0;
134 //set the current position.
135 virtual void SetAt(FX_INT32 nWordIndex) = 0;
136 //set the current position.
137 virtual void SetAt(const CPVT_WordPlace & place) = 0;
138 //get the current position.
139 virtual const CPVT_WordPlace & GetAt() const = 0;
141 //get the edit which this iterator belongs to
142 virtual IFX_Edit* GetEdit() const = 0;
145 class IFX_Edit_UndoItem
148 virtual void Release() = 0;
149 virtual void Undo() = 0;
150 virtual void Redo() = 0;
151 virtual CFX_WideString GetUndoTitle() = 0;
154 ~IFX_Edit_UndoItem() { }
157 class FXET_CLASS IFX_Edit
160 static IFX_Edit* NewEdit();
161 static void DelEdit(IFX_Edit* pEdit);
163 //set a IFX_Edit_FontMap pointer implemented by user.
164 virtual void SetFontMap(IFX_Edit_FontMap* pFontMap) = 0;
165 //if user don't like to use FontMap, implement VTProvider and set it directly.
166 virtual void SetVTProvider(IPDF_VariableText_Provider* pProvider) = 0;
167 //set a IFX_Edit_Notify pointer implemented by user.
168 virtual void SetNotify(IFX_Edit_Notify * pNotify) = 0;
169 virtual void SetOprNotify(IFX_Edit_OprNotify* pOprNotify) = 0;
170 //get a pointer allocated by CPDF_Edit, by this pointer, user can iterate the contents of edit, but don't need to release.
171 virtual IFX_Edit_Iterator* GetIterator() = 0;
172 //get a VT pointer relative to this edit.
173 virtual IPDF_VariableText* GetVariableText() = 0;
174 //get the IFX_Edit_FontMap pointer set by user.
175 virtual IFX_Edit_FontMap* GetFontMap() = 0;
177 //initialize the edit.
178 virtual void Initialize() = 0;
180 //set the bounding box of the text area.
181 virtual void SetPlateRect(const CPDF_Rect & rect, FX_BOOL bPaint = TRUE) = 0;
182 //set the scroll origin
183 virtual void SetScrollPos(const CPDF_Point & point) = 0;
185 //set the horizontal text alignment in text box, nFormat (0:left 1:middle 2:right).
186 virtual void SetAlignmentH(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE) = 0;
187 //set the vertical text alignment in text box, nFormat (0:top 1:center 2:bottom).
188 virtual void SetAlignmentV(FX_INT32 nFormat = 0, FX_BOOL bPaint = TRUE) = 0;
189 //if the text is shown in secret , set a character for substitute.
190 virtual void SetPasswordChar(FX_WORD wSubWord = '*', FX_BOOL bPaint = TRUE) = 0;
191 //set the maximal count of words of the text.
192 virtual void SetLimitChar(FX_INT32 nLimitChar = 0, FX_BOOL bPaint = TRUE) = 0;
193 //if set the count of charArray , then all words is shown in equal space.
194 virtual void SetCharArray(FX_INT32 nCharArray = 0, FX_BOOL bPaint = TRUE) = 0;
195 //set the space of two characters.
196 virtual void SetCharSpace(FX_FLOAT fCharSpace = 0.0f, FX_BOOL bPaint = TRUE) = 0;
197 //set the horizontal scale of all characters.
198 virtual void SetHorzScale(FX_INT32 nHorzScale = 100, FX_BOOL bPaint = TRUE) = 0;
199 //set the leading of all lines
200 virtual void SetLineLeading(FX_FLOAT fLineLeading, FX_BOOL bPaint = TRUE) = 0;
201 //if set, CRLF is allowed.
202 virtual void SetMultiLine(FX_BOOL bMultiLine = TRUE, FX_BOOL bPaint = TRUE) = 0;
203 //if set, all words auto fit the width of the bounding box.
204 virtual void SetAutoReturn(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
205 //if set, a font size is calculated to full fit the bounding box.
206 virtual void SetAutoFontSize(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
207 //is set, the text is allowed to scroll.
208 virtual void SetAutoScroll(FX_BOOL bAuto = TRUE, FX_BOOL bPaint = TRUE) = 0;
209 //set the font size of all words.
210 virtual void SetFontSize(FX_FLOAT fFontSize, FX_BOOL bPaint = TRUE) = 0;
211 //the text is allowed to auto-scroll, allow the text overflow?
212 virtual void SetTextOverflow(FX_BOOL bAllowed = FALSE, FX_BOOL bPaint = TRUE) = 0;
214 //query if the edit is richedit.
215 virtual FX_BOOL IsRichText() const = 0;
216 //set the edit is richedit.
217 virtual void SetRichText(FX_BOOL bRichText = TRUE, FX_BOOL bPaint = TRUE) = 0;
218 //set the fontsize of selected text.
219 virtual FX_BOOL SetRichFontSize(FX_FLOAT fFontSize) = 0;
220 //set the fontindex of selected text, user can change the font of selected text.
221 virtual FX_BOOL SetRichFontIndex(FX_INT32 nFontIndex) = 0;
222 //set the textcolor of selected text.
223 virtual FX_BOOL SetRichTextColor(FX_COLORREF dwColor) = 0;
224 //set the text script type of selected text. (0:normal 1:superscript 2:subscript)
225 virtual FX_BOOL SetRichTextScript(FX_INT32 nScriptType) = 0;
226 //set the bold font style of selected text.
227 virtual FX_BOOL SetRichTextBold(FX_BOOL bBold = TRUE) = 0;
228 //set the italic font style of selected text.
229 virtual FX_BOOL SetRichTextItalic(FX_BOOL bItalic = TRUE) = 0;
230 //set the underline style of selected text.
231 virtual FX_BOOL SetRichTextUnderline(FX_BOOL bUnderline = TRUE) = 0;
232 //set the crossout style of selected text.
233 virtual FX_BOOL SetRichTextCrossout(FX_BOOL bCrossout = TRUE) = 0;
234 //set the charspace of selected text, in user coordinate.
235 virtual FX_BOOL SetRichTextCharSpace(FX_FLOAT fCharSpace) = 0;
236 //set the horizontal scale of selected text, default value is 100.
237 virtual FX_BOOL SetRichTextHorzScale(FX_INT32 nHorzScale = 100) = 0;
238 //set the leading of selected section, in user coordinate.
239 virtual FX_BOOL SetRichTextLineLeading(FX_FLOAT fLineLeading) = 0;
240 //set the indent of selected section, in user coordinate.
241 virtual FX_BOOL SetRichTextLineIndent(FX_FLOAT fLineIndent) = 0;
242 //set the alignment of selected section, nAlignment(0:left 1:middle 2:right)
243 virtual FX_BOOL SetRichTextAlignment(FX_INT32 nAlignment) = 0;
245 //set the selected range of text.
246 //if nStartChar == 0 and nEndChar == -1, select all the text.
247 virtual void SetSel(FX_INT32 nStartChar,FX_INT32 nEndChar) = 0;
248 //get the selected range of text.
249 virtual void GetSel(FX_INT32 & nStartChar, FX_INT32 & nEndChar) const = 0;
250 //select all the text.
251 virtual void SelectAll() = 0;
252 //set text is not selected.
253 virtual void SelectNone() = 0;
254 //get the caret position.
255 virtual FX_INT32 GetCaret() const = 0;
256 virtual CPVT_WordPlace GetCaretWordPlace() const = 0;
257 //get the string of selected text.
258 virtual CFX_WideString GetSelText() const = 0;
259 //get the text conent
260 virtual CFX_WideString GetText() const = 0;
261 //query if any text is selected.
262 virtual FX_BOOL IsSelected() const = 0;
263 //get the scroll origin
264 virtual CPDF_Point GetScrollPos() const = 0;
265 //get the bounding box of the text area.
266 virtual CPDF_Rect GetPlateRect() const = 0;
267 //get the fact area of the text.
268 virtual CPDF_Rect GetContentRect() const = 0;
269 //get the visible word range
270 virtual CPVT_WordRange GetVisibleWordRange() const = 0;
271 //get the whole word range
272 virtual CPVT_WordRange GetWholeWordRange() const = 0;
273 //get the word range of select text
274 virtual CPVT_WordRange GetSelectWordRange() const = 0;
276 //send the mousedown message to edit for response.
277 //if Shift key is hold, bShift is TRUE, is Ctrl key is hold, bCtrl is TRUE.
278 virtual void OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
279 //send the mousemove message to edit when mouse down is TRUE.
280 virtual void OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
281 //send the UP key message to edit.
282 virtual void OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
283 //send the DOWN key message to edit.
284 virtual void OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
285 //send the LEFT key message to edit.
286 virtual void OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
287 //send the RIGHT key message to edit.
288 virtual void OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
289 //send the HOME key message to edit.
290 virtual void OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
291 //send the END key message to edit.
292 virtual void OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
294 //put text into edit.
295 virtual void SetText(FX_LPCWSTR text,FX_INT32 charset = DEFAULT_CHARSET,
296 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0;
297 //insert a word into the edit.
298 virtual FX_BOOL InsertWord(FX_WORD word, FX_INT32 charset = DEFAULT_CHARSET, const CPVT_WordProps * pWordProps = NULL) = 0;
299 //insert a return into the edit.
300 virtual FX_BOOL InsertReturn(const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0;
301 //insert text into the edit.
302 virtual FX_BOOL InsertText(FX_LPCWSTR text, FX_INT32 charset = DEFAULT_CHARSET,
303 const CPVT_SecProps * pSecProps = NULL,const CPVT_WordProps * pWordProps = NULL) = 0;
304 //do backspace operation.
305 virtual FX_BOOL Backspace() = 0;
306 //do delete operation.
307 virtual FX_BOOL Delete() = 0;
308 //delete the selected text.
309 virtual FX_BOOL Clear() = 0;
312 virtual FX_BOOL Redo() = 0;
314 virtual FX_BOOL Undo() = 0;
316 virtual void SetCaret(FX_INT32 nPos) = 0;
318 //arrange all words over again
319 virtual void Paint() = 0;
321 //allow to refresh screen?
322 virtual void EnableRefresh(FX_BOOL bRefresh) = 0;
324 virtual void RefreshWordRange(const CPVT_WordRange& wr) = 0;
327 virtual void EnableUndo(FX_BOOL bUndo) = 0;
330 virtual void EnableNotify(FX_BOOL bNotify) = 0;
333 virtual void EnableOprNotify(FX_BOOL bNotify) = 0;
335 //map word place to word index.
336 virtual FX_INT32 WordPlaceToWordIndex(const CPVT_WordPlace & place) const = 0;
337 //map word index to word place.
338 virtual CPVT_WordPlace WordIndexToWordPlace(FX_INT32 index) const = 0;
340 //get the beginning position of a line
341 virtual CPVT_WordPlace GetLineBeginPlace(const CPVT_WordPlace & place) const = 0;
343 //get the ending position of a line
344 virtual CPVT_WordPlace GetLineEndPlace(const CPVT_WordPlace & place) const = 0;
346 //get the beginning position of a section
347 virtual CPVT_WordPlace GetSectionBeginPlace(const CPVT_WordPlace & place) const = 0;
349 //get the ending position of a section
350 virtual CPVT_WordPlace GetSectionEndPlace(const CPVT_WordPlace & place) const = 0;
352 //search a wordplace form point
353 virtual CPVT_WordPlace SearchWordPlace(const CPDF_Point& point) const = 0;
355 //get the font size of non_rich text or default font size of richtext.
356 virtual FX_FLOAT GetFontSize() const = 0;
357 //get the mask character.
358 virtual FX_WORD GetPasswordChar() const = 0;
359 //get the count of charArray
360 virtual FX_INT32 GetCharArray() const = 0;
361 //get the horizontal scale of all characters
362 virtual FX_INT32 GetHorzScale() const = 0;
363 //get the space of two characters
364 virtual FX_FLOAT GetCharSpace() const = 0;
365 //get the latin words of specified range
366 virtual CFX_WideString GetRangeText(const CPVT_WordRange & range) const = 0;
367 //is the text full in bounding box
368 virtual FX_BOOL IsTextFull() const = 0;
369 virtual FX_BOOL CanUndo() const = 0;
370 virtual FX_BOOL CanRedo() const = 0;
371 //if the content is changed after settext?
372 virtual FX_BOOL IsModified() const = 0;
373 //get the total words in edit
374 virtual FX_INT32 GetTotalWords() const = 0;
376 virtual void AddUndoItem(IFX_Edit_UndoItem* pUndoItem) = 0;
378 static CFX_ByteString GetEditAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset,
379 const CPVT_WordRange* pRange = NULL,
380 FX_BOOL bContinuous = TRUE, FX_WORD SubWord = 0);
381 static CFX_ByteString GetSelectAppearanceStream(IFX_Edit* pEdit, const CPDF_Point & ptOffset, const CPVT_WordRange* pRange = NULL);
382 static void DrawEdit(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, FX_COLORREF crTextFill, FX_COLORREF crTextStroke,
383 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, IFX_SystemHandler* pSystemHandler, void* pFFLData);
384 static void DrawUnderline(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit, FX_COLORREF color,
385 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange);
386 static void DrawRichEdit(CFX_RenderDevice* pDevice, CPDF_Matrix* pUser2Device, IFX_Edit* pEdit,
387 const CPDF_Rect& rcClip, const CPDF_Point& ptOffset, const CPVT_WordRange* pRange);
388 static void GeneratePageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
389 const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF crText, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
390 static void GenerateRichPageObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
391 const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, CFX_ArrayTemplate<CPDF_TextObject*>& ObjArray);
392 static void GenerateUnderlineObjects(CPDF_PageObjects* pPageObjects, IFX_Edit* pEdit,
393 const CPDF_Point& ptOffset, const CPVT_WordRange* pRange, FX_COLORREF color);
399 class IFX_List_Notify
402 virtual ~IFX_List_Notify() { }
403 //set the horizontal scrollbar information.
404 virtual void IOnSetScrollInfoX(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
405 FX_FLOAT fContentMin, FX_FLOAT fContentMax,
406 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
407 //set the vertical scrollbar information.
408 virtual void IOnSetScrollInfoY(FX_FLOAT fPlateMin, FX_FLOAT fPlateMax,
409 FX_FLOAT fContentMin, FX_FLOAT fContentMax,
410 FX_FLOAT fSmallStep, FX_FLOAT fBigStep) = 0;
411 //set the position of horizontal scrollbar.
412 virtual void IOnSetScrollPosX(FX_FLOAT fx) = 0;
413 //set the position of vertical scrollbar.
414 virtual void IOnSetScrollPosY(FX_FLOAT fy) = 0;
415 //Invalidate the rectangle relative to the bounding box of edit.
416 virtual void IOnInvalidateRect(CPDF_Rect * pRect) = 0;
419 class FXET_CLASS IFX_List
422 static IFX_List* NewList();
423 static void DelList(IFX_List* pList);
425 virtual void SetFontMap(IFX_Edit_FontMap * pFontMap) = 0;
426 virtual void SetNotify(IFX_List_Notify * pNotify) = 0;
428 virtual void SetPlateRect(const CPDF_Rect & rect) = 0;
429 virtual void SetFontSize(FX_FLOAT fFontSize) = 0;
431 virtual CPDF_Rect GetPlateRect() const = 0;
432 virtual CPDF_Rect GetContentRect() const = 0;
434 virtual FX_FLOAT GetFontSize() const = 0;
435 virtual IFX_Edit* GetItemEdit(FX_INT32 nIndex) const = 0;
436 virtual FX_INT32 GetCount() const = 0;
437 virtual FX_BOOL IsItemSelected(FX_INT32 nIndex) const = 0;
438 virtual FX_FLOAT GetFirstHeight() const = 0;
440 virtual void SetMultipleSel(FX_BOOL bMultiple) = 0;
441 virtual FX_BOOL IsMultipleSel() const = 0;
442 virtual FX_BOOL IsValid(FX_INT32 nItemIndex) const = 0;
443 virtual FX_INT32 FindNext(FX_INT32 nIndex,FX_WCHAR nChar) const = 0;
445 virtual void SetScrollPos(const CPDF_Point & point) = 0;
446 virtual void ScrollToListItem(FX_INT32 nItemIndex) = 0;
447 virtual CPDF_Rect GetItemRect(FX_INT32 nIndex) const = 0;
448 virtual FX_INT32 GetCaret() const = 0;
449 virtual FX_INT32 GetSelect() const = 0;
450 virtual FX_INT32 GetTopItem() const = 0;
451 virtual FX_INT32 GetItemIndex(const CPDF_Point & point) const = 0;
452 virtual FX_INT32 GetFirstSelected() const = 0;
454 virtual void AddString(FX_LPCWSTR string) = 0;
455 virtual void SetTopItem(FX_INT32 nIndex) = 0;
456 virtual void Select(FX_INT32 nItemIndex) = 0;
457 virtual void SetCaret(FX_INT32 nItemIndex) = 0;
458 virtual void Empty() = 0;
459 virtual void Cancel() = 0;
460 virtual CFX_WideString GetText() const = 0;
463 virtual void OnMouseDown(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
464 virtual void OnMouseMove(const CPDF_Point & point,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
465 virtual void OnVK_UP(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
466 virtual void OnVK_DOWN(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
467 virtual void OnVK_LEFT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
468 virtual void OnVK_RIGHT(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
469 virtual void OnVK_HOME(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
470 virtual void OnVK_END(FX_BOOL bShift,FX_BOOL bCtrl) = 0;
471 virtual void OnVK(FX_INT32 nItemIndex,FX_BOOL bShift,FX_BOOL bCtrl) = 0;
472 virtual FX_BOOL OnChar(FX_WORD nChar,FX_BOOL bShift,FX_BOOL bCtrl) = 0;