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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:
~IFX_Edit_Iterator()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