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richedit: Move implementation of EM_GETTEXTRANGE to its own function.
[wine.git] / dlls / riched20 / editor.c
blobb79fe1602e93a45120c8478ec9ab501f25d4efc8
1 /*
2 * RichEdit - functions dealing with editor object
3 *
4 * Copyright 2004 by Krzysztof Foltman
5 * Copyright 2005 by Cihan Altinay
6 * Copyright 2005 by Phil Krylov
7 * Copyright 2008 Eric Pouech
8 *
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 */
23
24 /*
25 API implementation status:
26
27 Messages (ANSI versions not done yet)
28 + EM_AUTOURLDETECT 2.0
29 + EM_CANPASTE
30 + EM_CANREDO 2.0
31 + EM_CANUNDO
32 + EM_CHARFROMPOS
33 - EM_DISPLAYBAND
34 + EM_EMPTYUNDOBUFFER
35 + EM_EXGETSEL
36 + EM_EXLIMITTEXT
37 + EM_EXLINEFROMCHAR
38 + EM_EXSETSEL
39 + EM_FINDTEXT (only FR_DOWN flag implemented)
40 + EM_FINDTEXTEX (only FR_DOWN flag implemented)
41 - EM_FINDWORDBREAK
42 - EM_FMTLINES
43 - EM_FORMATRANGE
44 + EM_GETAUTOURLDETECT 2.0
45 - EM_GETBIDIOPTIONS 3.0
46 - EM_GETCHARFORMAT (partly done)
47 - EM_GETEDITSTYLE
48 + EM_GETEVENTMASK
49 + EM_GETFIRSTVISIBLELINE (can be optimized if needed)
50 - EM_GETIMECOLOR 1.0asian
51 - EM_GETIMECOMPMODE 2.0
52 - EM_GETIMEOPTIONS 1.0asian
53 - EM_GETIMESTATUS
54 - EM_GETLANGOPTIONS 2.0
55 + EM_GETLIMITTEXT
56 + EM_GETLINE
57 + EM_GETLINECOUNT returns number of rows, not of paragraphs
58 + EM_GETMODIFY
59 - EM_GETOLEINTERFACE
60 + EM_GETOPTIONS
61 + EM_GETPARAFORMAT
62 + EM_GETPASSWORDCHAR 2.0
63 - EM_GETPUNCTUATION 1.0asian
64 + EM_GETRECT
65 - EM_GETREDONAME 2.0
66 + EM_GETSEL
67 + EM_GETSELTEXT (ANSI&Unicode)
68 + EM_GETSCROLLPOS 3.0 (only Y value valid)
69 ! - EM_GETTHUMB
70 + EM_GETTEXTEX 2.0
71 + EM_GETTEXTLENGTHEX (GTL_PRECISE unimplemented)
72 - EM_GETTEXTMODE 2.0
73 ? + EM_GETTEXTRANGE (ANSI&Unicode)
74 - EM_GETTYPOGRAPHYOPTIONS 3.0
75 - EM_GETUNDONAME
76 + EM_GETWORDBREAKPROC
77 - EM_GETWORDBREAKPROCEX
78 - EM_GETWORDWRAPMODE 1.0asian
79 + EM_GETZOOM 3.0
80 + EM_HIDESELECTION
81 + EM_LIMITTEXT (Also called EM_SETLIMITTEXT)
82 + EM_LINEFROMCHAR
83 + EM_LINEINDEX
84 + EM_LINELENGTH
85 + EM_LINESCROLL
86 - EM_PASTESPECIAL
87 + EM_POSFROMCHAR
88 + EM_REDO 2.0
89 + EM_REQUESTRESIZE
90 + EM_REPLACESEL (proper style?) ANSI&Unicode
91 + EM_SCROLL
92 + EM_SCROLLCARET
93 - EM_SELECTIONTYPE
94 - EM_SETBIDIOPTIONS 3.0
95 + EM_SETBKGNDCOLOR
96 + EM_SETCHARFORMAT (partly done, no ANSI)
97 - EM_SETEDITSTYLE
98 + EM_SETEVENTMASK (few notifications supported)
99 - EM_SETFONTSIZE
100 - EM_SETIMECOLOR 1.0asian
101 - EM_SETIMEOPTIONS 1.0asian
102 - EM_SETIMESTATUS
103 - EM_SETLANGOPTIONS 2.0
104 - EM_SETLIMITTEXT
105 - EM_SETMARGINS
106 + EM_SETMODIFY (not sure if implementation is correct)
107 - EM_SETOLECALLBACK
108 + EM_SETOPTIONS (partially implemented)
109 - EM_SETPALETTE 2.0
110 + EM_SETPARAFORMAT
111 + EM_SETPASSWORDCHAR 2.0
112 - EM_SETPUNCTUATION 1.0asian
113 + EM_SETREADONLY no beep on modification attempt
114 + EM_SETRECT
115 + EM_SETRECTNP (EM_SETRECT without repainting)
116 + EM_SETSEL
117 + EM_SETSCROLLPOS 3.0
118 - EM_SETTABSTOPS 3.0
119 - EM_SETTARGETDEVICE (partial)
120 + EM_SETTEXTEX 3.0 (proper style?)
121 - EM_SETTEXTMODE 2.0
122 - EM_SETTYPOGRAPHYOPTIONS 3.0
123 + EM_SETUNDOLIMIT 2.0
124 + EM_SETWORDBREAKPROC (used only for word movement at the moment)
125 - EM_SETWORDBREAKPROCEX
126 - EM_SETWORDWRAPMODE 1.0asian
127 + EM_SETZOOM 3.0
128 + EM_SHOWSCROLLBAR 2.0
129 + EM_STOPGROUPTYPING 2.0
130 + EM_STREAMIN
131 + EM_STREAMOUT
132 + EM_UNDO
133 + WM_CHAR
134 + WM_CLEAR
135 + WM_COPY
136 + WM_CUT
137 + WM_GETDLGCODE (the current implementation is incomplete)
138 + WM_GETTEXT (ANSI&Unicode)
139 + WM_GETTEXTLENGTH (ANSI version sucks)
140 + WM_PASTE
141 + WM_SETFONT
142 + WM_SETTEXT (resets undo stack !) (proper style?) ANSI&Unicode
143 - WM_STYLECHANGING
144 - WM_STYLECHANGED (things like read-only flag)
145 + WM_UNICHAR
146
147 Notifications
148
149 * EN_CHANGE (sent from the wrong place)
150 - EN_CORRECTTEXT
151 - EN_DROPFILES
152 - EN_ERRSPACE
153 - EN_HSCROLL
154 - EN_IMECHANGE
155 + EN_KILLFOCUS
156 - EN_LINK
157 - EN_MAXTEXT
158 - EN_MSGFILTER
159 - EN_OLEOPFAILED
160 - EN_PROTECTED
161 + EN_REQUESTRESIZE
162 - EN_SAVECLIPBOARD
163 + EN_SELCHANGE
164 + EN_SETFOCUS
165 - EN_STOPNOUNDO
166 * EN_UPDATE (sent from the wrong place)
167 - EN_VSCROLL
168
169 Styles
170
171 - ES_AUTOHSCROLL
172 - ES_AUTOVSCROLL
173 - ES_CENTER
174 + ES_DISABLENOSCROLL (scrollbar is always visible)
175 - ES_EX_NOCALLOLEINIT
176 - ES_LEFT
177 - ES_MULTILINE (currently single line controls aren't supported)
178 - ES_NOIME
179 - ES_READONLY (I'm not sure if beeping is the proper behaviour)
180 - ES_RIGHT
181 - ES_SAVESEL
182 - ES_SELFIME
183 - ES_SUNKEN
184 - ES_VERTICAL
185 - ES_WANTRETURN (don't know how to do WM_GETDLGCODE part)
186 - WS_SETFONT
187 - WS_HSCROLL
188 + WS_VSCROLL
189 */
190
191 /*
192 * RICHED20 TODO (incomplete):
193 *
194 * - messages/styles/notifications listed above
195 * - add remaining CHARFORMAT/PARAFORMAT fields
196 * - right/center align should strip spaces from the beginning
197 * - pictures/OLE objects (not just smiling faces that lack API support ;-) )
198 * - COM interface (looks like a major pain in the TODO list)
199 * - calculate heights of pictures (half-done)
200 * - horizontal scrolling (not even started)
201 * - hysteresis during wrapping (related to scrollbars appearing/disappearing)
202 * - find/replace
203 * - how to implement EM_FORMATRANGE and EM_DISPLAYBAND ? (Mission Impossible)
204 * - italic caret with italic fonts
205 * - IME
206 * - most notifications aren't sent at all (the most important ones are)
207 * - when should EN_SELCHANGE be sent after text change ? (before/after EN_UPDATE?)
208 * - WM_SETTEXT may use wrong style (but I'm 80% sure it's OK)
209 * - EM_GETCHARFORMAT with SCF_SELECTION may not behave 100% like in original (but very close)
210 * - full justification
211 * - hyphenation
212 * - tables
213 * - ListBox & ComboBox not implemented
214 *
215 * Bugs that are probably fixed, but not so easy to verify:
216 * - EN_UPDATE/EN_CHANGE are handled very incorrectly (should be OK now)
217 * - undo for ME_JoinParagraphs doesn't store paragraph format ? (it does)
218 * - check/fix artificial EOL logic (bCursorAtEnd, hardly logical)
219 * - caret shouldn't be displayed when selection isn't empty
220 * - check refcounting in style management functions (looks perfect now, but no bugs is suspicious)
221 * - undo for setting default format (done, might be buggy)
222 * - styles might be not released properly (looks like they work like charm, but who knows?
223 *
224 */
225
226 #include "editor.h"
227 #include "commdlg.h"
228 #include "winreg.h"
229 #define NO_SHLWAPI_STREAM
230 #include "shlwapi.h"
231 #include "rtf.h"
232 #include "imm.h"
233 #include "res.h"
234
235 #define STACK_SIZE_DEFAULT 100
236 #define STACK_SIZE_MAX 1000
237
238 #define TEXT_LIMIT_DEFAULT 32767
239
240 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
241
242 static BOOL ME_RegisterEditorClass(HINSTANCE);
243
244 static const WCHAR RichEdit20W[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '2', '0', 'W', 0};
245 static const WCHAR RichEdit50W[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '5', '0', 'W', 0};
246 static const WCHAR REListBox20W[] = {'R','E','L','i','s','t','B','o','x','2','0','W', 0};
247 static const WCHAR REComboBox20W[] = {'R','E','C','o','m','b','o','B','o','x','2','0','W', 0};
248 static HCURSOR hLeft;
249
250 int me_debug = 0;
251 HANDLE me_heap = NULL;
252
253 static BOOL ME_ListBoxRegistered = FALSE;
254 static BOOL ME_ComboBoxRegistered = FALSE;
255
256 static inline int is_version_nt(void)
257 {
258 return !(GetVersion() & 0x80000000);
259 }
260
261 static ME_TextBuffer *ME_MakeText(void) {
262
263 ME_TextBuffer *buf = ALLOC_OBJ(ME_TextBuffer);
264
265 ME_DisplayItem *p1 = ME_MakeDI(diTextStart);
266 ME_DisplayItem *p2 = ME_MakeDI(diTextEnd);
267
268 p1->prev = NULL;
269 p1->next = p2;
270 p2->prev = p1;
271 p2->next = NULL;
272 p1->member.para.next_para = p2;
273 p2->member.para.prev_para = p1;
274 p2->member.para.nCharOfs = 0;
275
276 buf->pFirst = p1;
277 buf->pLast = p2;
278 buf->pCharStyle = NULL;
279
280 return buf;
281 }
282
283
284 static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStream *stream, ME_Style *style)
285 {
286 WCHAR wszText[STREAMIN_BUFFER_SIZE+1];
287 WCHAR *pText;
288
289 TRACE("%08x %p\n", dwFormat, stream);
290
291 do {
292 long nWideChars = 0;
293
294 if (!stream->dwSize)
295 {
296 ME_StreamInFill(stream);
297 if (stream->editstream->dwError)
298 break;
299 if (!stream->dwSize)
300 break;
301 }
302
303 if (!(dwFormat & SF_UNICODE))
304 {
305 /* FIXME? this is doomed to fail on true MBCS like UTF-8, luckily they're unlikely to be used as CP_ACP */
306 nWideChars = MultiByteToWideChar(CP_ACP, 0, stream->buffer, stream->dwSize, wszText, STREAMIN_BUFFER_SIZE);
307 pText = wszText;
308 }
309 else
310 {
311 nWideChars = stream->dwSize >> 1;
312 pText = (WCHAR *)stream->buffer;
313 }
314
315 ME_InsertTextFromCursor(editor, 0, pText, nWideChars, style);
316 if (stream->dwSize == 0)
317 break;
318 stream->dwSize = 0;
319 } while(1);
320 ME_CommitUndo(editor);
321 ME_UpdateRepaint(editor);
322 return 0;
323 }
324
325 static void ME_ApplyBorderProperties(RTF_Info *info,
326 ME_BorderRect *borderRect,
327 RTFBorder *borderDef)
328 {
329 int i, colorNum;
330 ME_Border *pBorders[] = {&borderRect->top,
331 &borderRect->left,
332 &borderRect->bottom,
333 &borderRect->right};
334 for (i = 0; i < 4; i++)
335 {
336 RTFColor *colorDef = info->colorList;
337 pBorders[i]->width = borderDef[i].width;
338 colorNum = borderDef[i].color;
339 while (colorDef && colorDef->rtfCNum != colorNum)
340 colorDef = colorDef->rtfNextColor;
341 if (colorDef)
342 pBorders[i]->colorRef = RGB(
343 colorDef->rtfCRed >= 0 ? colorDef->rtfCRed : 0,
344 colorDef->rtfCGreen >= 0 ? colorDef->rtfCGreen : 0,
345 colorDef->rtfCBlue >= 0 ? colorDef->rtfCBlue : 0);
346 else
347 pBorders[i]->colorRef = RGB(0, 0, 0);
348 }
349 }
350
351 void ME_RTFCharAttrHook(RTF_Info *info)
352 {
353 CHARFORMAT2W fmt;
354 fmt.cbSize = sizeof(fmt);
355 fmt.dwMask = 0;
356 fmt.dwEffects = 0;
357
358 switch(info->rtfMinor)
359 {
360 case rtfPlain:
361 /* FIXME add more flags once they're implemented */
362 fmt.dwMask = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINETYPE | CFM_STRIKEOUT | CFM_COLOR | CFM_BACKCOLOR | CFM_SIZE | CFM_WEIGHT;
363 fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
364 fmt.yHeight = 12*20; /* 12pt */
365 fmt.wWeight = FW_NORMAL;
366 fmt.bUnderlineType = CFU_UNDERLINENONE;
367 break;
368 case rtfBold:
369 fmt.dwMask = CFM_BOLD | CFM_WEIGHT;
370 fmt.dwEffects = info->rtfParam ? CFE_BOLD : 0;
371 fmt.wWeight = info->rtfParam ? FW_BOLD : FW_NORMAL;
372 break;
373 case rtfItalic:
374 fmt.dwMask = CFM_ITALIC;
375 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
376 break;
377 case rtfUnderline:
378 fmt.dwMask = CFM_UNDERLINETYPE;
379 fmt.bUnderlineType = info->rtfParam ? CFU_CF1UNDERLINE : CFU_UNDERLINENONE;
380 break;
381 case rtfDotUnderline:
382 fmt.dwMask = CFM_UNDERLINETYPE;
383 fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEDOTTED : CFU_UNDERLINENONE;
384 break;
385 case rtfDbUnderline:
386 fmt.dwMask = CFM_UNDERLINETYPE;
387 fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEDOUBLE : CFU_UNDERLINENONE;
388 break;
389 case rtfWordUnderline:
390 fmt.dwMask = CFM_UNDERLINETYPE;
391 fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEWORD : CFU_UNDERLINENONE;
392 break;
393 case rtfNoUnderline:
394 fmt.dwMask = CFM_UNDERLINETYPE;
395 fmt.bUnderlineType = CFU_UNDERLINENONE;
396 break;
397 case rtfStrikeThru:
398 fmt.dwMask = CFM_STRIKEOUT;
399 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
400 break;
401 case rtfSubScript:
402 case rtfSuperScript:
403 case rtfSubScrShrink:
404 case rtfSuperScrShrink:
405 case rtfNoSuperSub:
406 fmt.dwMask = CFM_SUBSCRIPT|CFM_SUPERSCRIPT;
407 if (info->rtfMinor == rtfSubScrShrink) fmt.dwEffects = CFE_SUBSCRIPT;
408 if (info->rtfMinor == rtfSuperScrShrink) fmt.dwEffects = CFE_SUPERSCRIPT;
409 if (info->rtfMinor == rtfNoSuperSub) fmt.dwEffects = 0;
410 break;
411 case rtfInvisible:
412 fmt.dwMask = CFM_HIDDEN;
413 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
414 break;
415 case rtfBackColor:
416 fmt.dwMask = CFM_BACKCOLOR;
417 fmt.dwEffects = 0;
418 if (info->rtfParam == 0)
419 fmt.dwEffects = CFE_AUTOBACKCOLOR;
420 else if (info->rtfParam != rtfNoParam)
421 {
422 RTFColor *c = RTFGetColor(info, info->rtfParam);
423 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
424 }
425 break;
426 case rtfForeColor:
427 fmt.dwMask = CFM_COLOR;
428 fmt.dwEffects = 0;
429 if (info->rtfParam == 0)
430 fmt.dwEffects = CFE_AUTOCOLOR;
431 else if (info->rtfParam != rtfNoParam)
432 {
433 RTFColor *c = RTFGetColor(info, info->rtfParam);
434 if (c)
435 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
436 else
437 fmt.crTextColor = 0;
438 }
439 break;
440 case rtfFontNum:
441 if (info->rtfParam != rtfNoParam)
442 {
443 RTFFont *f = RTFGetFont(info, info->rtfParam);
444 if (f)
445 {
446 MultiByteToWideChar(CP_ACP, 0, f->rtfFName, -1, fmt.szFaceName, sizeof(fmt.szFaceName)/sizeof(WCHAR));
447 fmt.szFaceName[sizeof(fmt.szFaceName)/sizeof(WCHAR)-1] = '\0';
448 fmt.bCharSet = f->rtfFCharSet;
449 fmt.dwMask = CFM_FACE | CFM_CHARSET;
450 fmt.bPitchAndFamily = f->rtfFPitch | (f->rtfFFamily << 4);
451 }
452 }
453 break;
454 case rtfFontSize:
455 fmt.dwMask = CFM_SIZE;
456 if (info->rtfParam != rtfNoParam)
457 fmt.yHeight = info->rtfParam*10;
458 break;
459 }
460 if (fmt.dwMask) {
461 ME_Style *style2;
462 RTFFlushOutputBuffer(info);
463 /* FIXME too slow ? how come ? */
464 style2 = ME_ApplyStyle(info->style, &fmt);
465 ME_ReleaseStyle(info->style);
466 info->style = style2;
467 info->styleChanged = TRUE;
468 }
469 }
470
471 /* FIXME this function doesn't get any information about context of the RTF tag, which is very bad,
472 the same tags mean different things in different contexts */
473 void ME_RTFParAttrHook(RTF_Info *info)
474 {
475 PARAFORMAT2 fmt;
476 fmt.cbSize = sizeof(fmt);
477 fmt.dwMask = 0;
478
479 switch(info->rtfMinor)
480 {
481 case rtfParDef: /* restores default paragraph attributes */
482 if (!info->editor->bEmulateVersion10) /* v4.1 */
483 info->borderType = RTFBorderParaLeft;
484 else /* v1.0 - 3.0 */
485 info->borderType = RTFBorderParaTop;
486 fmt.dwMask = PFM_ALIGNMENT | PFM_BORDER | PFM_LINESPACING | PFM_TABSTOPS |
487 PFM_OFFSET | PFM_RIGHTINDENT | PFM_SPACEAFTER | PFM_SPACEBEFORE |
488 PFM_STARTINDENT;
489 /* TODO: numbering, shading */
490 fmt.wAlignment = PFA_LEFT;
491 fmt.cTabCount = 0;
492 fmt.dxOffset = fmt.dxStartIndent = fmt.dxRightIndent = 0;
493 fmt.wBorderWidth = fmt.wBorders = 0;
494 fmt.wBorderSpace = 0;
495 fmt.bLineSpacingRule = 0;
496 fmt.dySpaceBefore = fmt.dySpaceAfter = 0;
497 fmt.dyLineSpacing = 0;
498 if (!info->editor->bEmulateVersion10) /* v4.1 */
499 {
500 if (info->tableDef && info->tableDef->tableRowStart &&
501 info->tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
502 {
503 ME_Cursor cursor;
504 ME_DisplayItem *para;
505 /* We are just after a table row. */
506 RTFFlushOutputBuffer(info);
507 cursor = info->editor->pCursors[0];
508 para = ME_GetParagraph(cursor.pRun);
509 if (para == info->tableDef->tableRowStart->member.para.next_para
510 && !cursor.nOffset && !cursor.pRun->member.run.nCharOfs)
511 {
512 /* Since the table row end, no text has been inserted, and the \intbl
513 * control word has not be used. We can confirm that we are not in a
514 * table anymore.
515 */
516 info->tableDef->tableRowStart = NULL;
517 info->canInheritInTbl = FALSE;
518 }
519 }
520 } else { /* v1.0 - v3.0 */
521 fmt.dwMask |= PFM_TABLE;
522 fmt.wEffects &= ~PFE_TABLE;
523 }
524 break;
525 case rtfNestLevel:
526 if (!info->editor->bEmulateVersion10) /* v4.1 */
527 {
528 while (info->rtfParam > info->nestingLevel) {
529 RTFTable *tableDef = ALLOC_OBJ(RTFTable);
530 ZeroMemory(tableDef, sizeof(RTFTable));
531 tableDef->parent = info->tableDef;
532 info->tableDef = tableDef;
533
534 RTFFlushOutputBuffer(info);
535 if (tableDef->tableRowStart &&
536 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
537 {
538 ME_DisplayItem *para = tableDef->tableRowStart;
539 para = para->member.para.next_para;
540 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
541 tableDef->tableRowStart = para;
542 } else {
543 ME_Cursor cursor;
544 WCHAR endl = '\r';
545 cursor = info->editor->pCursors[0];
546 if (cursor.nOffset || cursor.pRun->member.run.nCharOfs)
547 ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
548 tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
549 }
550
551 info->nestingLevel++;
552 }
553 info->canInheritInTbl = FALSE;
554 }
555 break;
556 case rtfInTable:
557 {
558 if (!info->editor->bEmulateVersion10) /* v4.1 */
559 {
560 if (info->nestingLevel < 1)
561 {
562 RTFTable *tableDef;
563 if (!info->tableDef)
564 {
565 info->tableDef = ALLOC_OBJ(RTFTable);
566 ZeroMemory(info->tableDef, sizeof(RTFTable));
567 }
568 tableDef = info->tableDef;
569 RTFFlushOutputBuffer(info);
570 if (tableDef->tableRowStart &&
571 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
572 {
573 ME_DisplayItem *para = tableDef->tableRowStart;
574 para = para->member.para.next_para;
575 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
576 tableDef->tableRowStart = para;
577 } else {
578 ME_Cursor cursor;
579 WCHAR endl = '\r';
580 cursor = info->editor->pCursors[0];
581 if (cursor.nOffset || cursor.pRun->member.run.nCharOfs)
582 ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
583 tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
584 }
585 info->nestingLevel = 1;
586 info->canInheritInTbl = TRUE;
587 }
588 return;
589 } else { /* v1.0 - v3.0 */
590 fmt.dwMask |= PFM_TABLE;
591 fmt.wEffects |= PFE_TABLE;
592 }
593 break;
594 }
595 case rtfFirstIndent:
596 ME_GetSelectionParaFormat(info->editor, &fmt);
597 fmt.dwMask = PFM_STARTINDENT | PFM_OFFSET;
598 fmt.dxStartIndent += fmt.dxOffset + info->rtfParam;
599 fmt.dxOffset = -info->rtfParam;
600 break;
601 case rtfLeftIndent:
602 ME_GetSelectionParaFormat(info->editor, &fmt);
603 fmt.dwMask = PFM_STARTINDENT;
604 fmt.dxStartIndent = info->rtfParam - fmt.dxOffset;
605 break;
606 case rtfRightIndent:
607 fmt.dwMask = PFM_RIGHTINDENT;
608 fmt.dxRightIndent = info->rtfParam;
609 break;
610 case rtfQuadLeft:
611 case rtfQuadJust:
612 fmt.dwMask = PFM_ALIGNMENT;
613 fmt.wAlignment = PFA_LEFT;
614 break;
615 case rtfQuadRight:
616 fmt.dwMask = PFM_ALIGNMENT;
617 fmt.wAlignment = PFA_RIGHT;
618 break;
619 case rtfQuadCenter:
620 fmt.dwMask = PFM_ALIGNMENT;
621 fmt.wAlignment = PFA_CENTER;
622 break;
623 case rtfTabPos:
624 ME_GetSelectionParaFormat(info->editor, &fmt);
625 if (!(fmt.dwMask & PFM_TABSTOPS))
626 {
627 fmt.cTabCount = 0;
628 }
629 if (fmt.cTabCount < MAX_TAB_STOPS && info->rtfParam < 0x1000000)
630 fmt.rgxTabs[fmt.cTabCount++] = info->rtfParam;
631 fmt.dwMask = PFM_TABSTOPS;
632 break;
633 case rtfKeep:
634 fmt.dwMask = PFM_KEEP;
635 fmt.wEffects = PFE_KEEP;
636 break;
637 case rtfNoWidowControl:
638 fmt.dwMask = PFM_NOWIDOWCONTROL;
639 fmt.wEffects = PFE_NOWIDOWCONTROL;
640 break;
641 case rtfKeepNext:
642 fmt.dwMask = PFM_KEEPNEXT;
643 fmt.wEffects = PFE_KEEPNEXT;
644 break;
645 case rtfSpaceAfter:
646 fmt.dwMask = PFM_SPACEAFTER;
647 fmt.dySpaceAfter = info->rtfParam;
648 break;
649 case rtfSpaceBefore:
650 fmt.dwMask = PFM_SPACEBEFORE;
651 fmt.dySpaceBefore = info->rtfParam;
652 break;
653 case rtfSpaceBetween:
654 fmt.dwMask = PFM_LINESPACING;
655 if ((int)info->rtfParam > 0)
656 {
657 fmt.dyLineSpacing = info->rtfParam;
658 fmt.bLineSpacingRule = 3;
659 }
660 else
661 {
662 fmt.dyLineSpacing = info->rtfParam;
663 fmt.bLineSpacingRule = 4;
664 }
665 case rtfSpaceMultiply:
666 fmt.dwMask = PFM_LINESPACING;
667 fmt.dyLineSpacing = info->rtfParam * 20;
668 fmt.bLineSpacingRule = 5;
669 break;
670 case rtfParBullet:
671 fmt.dwMask = PFM_NUMBERING;
672 fmt.wNumbering = PFN_BULLET;
673 break;
674 case rtfParSimple:
675 fmt.dwMask = PFM_NUMBERING;
676 fmt.wNumbering = 2; /* FIXME: MSDN says it's not used ?? */
677 break;
678 case rtfParNumDecimal:
679 fmt.dwMask = PFM_NUMBERING;
680 fmt.wNumbering = 2; /* FIXME: MSDN says it's not used ?? */
681 break;
682 case rtfParNumIndent:
683 fmt.dwMask = PFM_NUMBERINGTAB;
684 fmt.wNumberingTab = info->rtfParam;
685 break;
686 case rtfParNumStartAt:
687 fmt.dwMask = PFM_NUMBERINGSTART;
688 fmt.wNumberingStart = info->rtfParam;
689 break;
690 case rtfBorderLeft:
691 info->borderType = RTFBorderParaLeft;
692 ME_GetSelectionParaFormat(info->editor, &fmt);
693 if (!(fmt.dwMask & PFM_BORDER))
694 {
695 fmt.wBorderSpace = 0;
696 fmt.wBorderWidth = 1;
697 fmt.wBorders = 0;
698 }
699 fmt.wBorders |= 1;
700 fmt.dwMask = PFM_BORDER;
701 break;
702 case rtfBorderRight:
703 info->borderType = RTFBorderParaRight;
704 ME_GetSelectionParaFormat(info->editor, &fmt);
705 if (!(fmt.dwMask & PFM_BORDER))
706 {
707 fmt.wBorderSpace = 0;
708 fmt.wBorderWidth = 1;
709 fmt.wBorders = 0;
710 }
711 fmt.wBorders |= 2;
712 fmt.dwMask = PFM_BORDER;
713 break;
714 case rtfBorderTop:
715 info->borderType = RTFBorderParaTop;
716 ME_GetSelectionParaFormat(info->editor, &fmt);
717 if (!(fmt.dwMask & PFM_BORDER))
718 {
719 fmt.wBorderSpace = 0;
720 fmt.wBorderWidth = 1;
721 fmt.wBorders = 0;
722 }
723 fmt.wBorders |= 4;
724 fmt.dwMask = PFM_BORDER;
725 break;
726 case rtfBorderBottom:
727 info->borderType = RTFBorderParaBottom;
728 ME_GetSelectionParaFormat(info->editor, &fmt);
729 if (!(fmt.dwMask & PFM_BORDER))
730 {
731 fmt.wBorderSpace = 0;
732 fmt.wBorderWidth = 1;
733 fmt.wBorders = 0;
734 }
735 fmt.wBorders |= 8;
736 fmt.dwMask = PFM_BORDER;
737 break;
738 case rtfBorderSingle:
739 ME_GetSelectionParaFormat(info->editor, &fmt);
740 /* we assume that borders have been created before (RTF spec) */
741 fmt.wBorders &= ~0x700;
742 fmt.wBorders |= 1 << 8;
743 fmt.dwMask = PFM_BORDER;
744 break;
745 case rtfBorderThick:
746 ME_GetSelectionParaFormat(info->editor, &fmt);
747 /* we assume that borders have been created before (RTF spec) */
748 fmt.wBorders &= ~0x700;
749 fmt.wBorders |= 2 << 8;
750 fmt.dwMask = PFM_BORDER;
751 break;
752 case rtfBorderShadow:
753 ME_GetSelectionParaFormat(info->editor, &fmt);
754 /* we assume that borders have been created before (RTF spec) */
755 fmt.wBorders &= ~0x700;
756 fmt.wBorders |= 10 << 8;
757 fmt.dwMask = PFM_BORDER;
758 break;
759 case rtfBorderDouble:
760 ME_GetSelectionParaFormat(info->editor, &fmt);
761 /* we assume that borders have been created before (RTF spec) */
762 fmt.wBorders &= ~0x700;
763 fmt.wBorders |= 7 << 8;
764 fmt.dwMask = PFM_BORDER;
765 break;
766 case rtfBorderDot:
767 ME_GetSelectionParaFormat(info->editor, &fmt);
768 /* we assume that borders have been created before (RTF spec) */
769 fmt.wBorders &= ~0x700;
770 fmt.wBorders |= 11 << 8;
771 fmt.dwMask = PFM_BORDER;
772 break;
773 case rtfBorderWidth:
774 {
775 int borderSide = info->borderType & RTFBorderSideMask;
776 RTFTable *tableDef = info->tableDef;
777 ME_GetSelectionParaFormat(info->editor, &fmt);
778 /* we assume that borders have been created before (RTF spec) */
779 fmt.wBorderWidth |= ((info->rtfParam / 15) & 7) << 8;
780 if ((info->borderType & RTFBorderTypeMask) == RTFBorderTypeCell)
781 {
782 RTFBorder *border;
783 if (!tableDef || tableDef->numCellsDefined >= MAX_TABLE_CELLS)
784 break;
785 border = &tableDef->cells[tableDef->numCellsDefined].border[borderSide];
786 border->width = info->rtfParam;
787 break;
788 }
789 fmt.dwMask = PFM_BORDER;
790 break;
791 }
792 case rtfBorderSpace:
793 ME_GetSelectionParaFormat(info->editor, &fmt);
794 /* we assume that borders have been created before (RTF spec) */
795 fmt.wBorderSpace = info->rtfParam;
796 fmt.dwMask = PFM_BORDER;
797 break;
798 case rtfBorderColor:
799 {
800 RTFTable *tableDef = info->tableDef;
801 int borderSide = info->borderType & RTFBorderSideMask;
802 int borderType = info->borderType & RTFBorderTypeMask;
803 switch(borderType)
804 {
805 case RTFBorderTypePara:
806 if (!info->editor->bEmulateVersion10) /* v4.1 */
807 break;
808 /* v1.0 - 3.0 treat paragraph and row borders the same. */
809 case RTFBorderTypeRow:
810 if (tableDef) {
811 tableDef->border[borderSide].color = info->rtfParam;
812 }
813 break;
814 case RTFBorderTypeCell:
815 if (tableDef && tableDef->numCellsDefined < MAX_TABLE_CELLS) {
816 tableDef->cells[tableDef->numCellsDefined].border[borderSide].color = info->rtfParam;
817 }
818 break;
819 }
820 break;
821 }
822 }
823 if (fmt.dwMask) {
824 RTFFlushOutputBuffer(info);
825 /* FIXME too slow ? how come ?*/
826 ME_SetSelectionParaFormat(info->editor, &fmt);
827 }
828 }
829
830 void ME_RTFTblAttrHook(RTF_Info *info)
831 {
832 switch (info->rtfMinor)
833 {
834 case rtfRowDef:
835 {
836 if (!info->editor->bEmulateVersion10) /* v4.1 */
837 info->borderType = 0; /* Not sure */
838 else /* v1.0 - 3.0 */
839 info->borderType = RTFBorderRowTop;
840 if (!info->tableDef) {
841 info->tableDef = ME_MakeTableDef(info->editor);
842 } else {
843 ME_InitTableDef(info->editor, info->tableDef);
844 }
845 break;
846 }
847 case rtfCellPos:
848 {
849 int cellNum;
850 if (!info->tableDef)
851 {
852 info->tableDef = ME_MakeTableDef(info->editor);
853 }
854 cellNum = info->tableDef->numCellsDefined;
855 if (cellNum >= MAX_TABLE_CELLS)
856 break;
857 info->tableDef->cells[cellNum].rightBoundary = info->rtfParam;
858 if (cellNum < MAX_TAB_STOPS) {
859 /* Tab stops were used to store cell positions before v4.1 but v4.1
860 * still seems to set the tabstops without using them. */
861 ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
862 PARAFORMAT2 *pFmt = para->member.para.pFmt;
863 pFmt->rgxTabs[cellNum] &= ~0x00FFFFFF;
864 pFmt->rgxTabs[cellNum] = 0x00FFFFFF & info->rtfParam;
865 }
866 info->tableDef->numCellsDefined++;
867 break;
868 }
869 case rtfRowBordTop:
870 info->borderType = RTFBorderRowTop;
871 break;
872 case rtfRowBordLeft:
873 info->borderType = RTFBorderRowLeft;
874 break;
875 case rtfRowBordBottom:
876 info->borderType = RTFBorderRowBottom;
877 break;
878 case rtfRowBordRight:
879 info->borderType = RTFBorderRowRight;
880 break;
881 case rtfCellBordTop:
882 info->borderType = RTFBorderCellTop;
883 break;
884 case rtfCellBordLeft:
885 info->borderType = RTFBorderCellLeft;
886 break;
887 case rtfCellBordBottom:
888 info->borderType = RTFBorderCellBottom;
889 break;
890 case rtfCellBordRight:
891 info->borderType = RTFBorderCellRight;
892 break;
893 case rtfRowGapH:
894 if (info->tableDef)
895 info->tableDef->gapH = info->rtfParam;
896 break;
897 case rtfRowLeftEdge:
898 if (info->tableDef)
899 info->tableDef->leftEdge = info->rtfParam;
900 break;
901 }
902 }
903
904 void ME_RTFSpecialCharHook(RTF_Info *info)
905 {
906 RTFTable *tableDef = info->tableDef;
907 switch (info->rtfMinor)
908 {
909 case rtfNestCell:
910 if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */
911 break;
912 /* else fall through since v4.1 treats rtfNestCell and rtfCell the same */
913 case rtfCell:
914 if (!tableDef)
915 break;
916 RTFFlushOutputBuffer(info);
917 if (!info->editor->bEmulateVersion10) { /* v4.1 */
918 if (tableDef->tableRowStart)
919 {
920 if (!info->nestingLevel &&
921 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
922 {
923 ME_DisplayItem *para = tableDef->tableRowStart;
924 para = para->member.para.next_para;
925 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
926 tableDef->tableRowStart = para;
927 info->nestingLevel = 1;
928 }
929 ME_InsertTableCellFromCursor(info->editor);
930 }
931 } else { /* v1.0 - v3.0 */
932 ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
933 PARAFORMAT2 *pFmt = para->member.para.pFmt;
934 if (pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE &&
935 tableDef->numCellsInserted < tableDef->numCellsDefined)
936 {
937 WCHAR tab = '\t';
938 ME_InsertTextFromCursor(info->editor, 0, &tab, 1, info->style);
939 tableDef->numCellsInserted++;
940 }
941 }
942 break;
943 case rtfNestRow:
944 if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */
945 break;
946 /* else fall through since v4.1 treats rtfNestRow and rtfRow the same */
947 case rtfRow:
948 {
949 ME_DisplayItem *para, *cell, *run;
950 int i;
951
952 if (!tableDef)
953 break;
954 RTFFlushOutputBuffer(info);
955 if (!info->editor->bEmulateVersion10) { /* v4.1 */
956 if (!tableDef->tableRowStart)
957 break;
958 if (!info->nestingLevel &&
959 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
960 {
961 para = tableDef->tableRowStart;
962 para = para->member.para.next_para;
963 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
964 tableDef->tableRowStart = para;
965 info->nestingLevel++;
966 }
967 para = tableDef->tableRowStart;
968 cell = ME_FindItemFwd(para, diCell);
969 assert(cell && !cell->member.cell.prev_cell);
970 if (tableDef->numCellsDefined < 1)
971 {
972 /* 2000 twips appears to be the cell size that native richedit uses
973 * when no cell sizes are specified. */
974 const int defaultCellSize = 2000;
975 int nRightBoundary = defaultCellSize;
976 cell->member.cell.nRightBoundary = nRightBoundary;
977 while (cell->member.cell.next_cell) {
978 cell = cell->member.cell.next_cell;
979 nRightBoundary += defaultCellSize;
980 cell->member.cell.nRightBoundary = nRightBoundary;
981 }
982 para = ME_InsertTableCellFromCursor(info->editor);
983 cell = para->member.para.pCell;
984 cell->member.cell.nRightBoundary = nRightBoundary;
985 } else {
986 for (i = 0; i < tableDef->numCellsDefined; i++)
987 {
988 RTFCell *cellDef = &tableDef->cells[i];
989 cell->member.cell.nRightBoundary = cellDef->rightBoundary;
990 ME_ApplyBorderProperties(info, &cell->member.cell.border,
991 cellDef->border);
992 cell = cell->member.cell.next_cell;
993 if (!cell)
994 {
995 para = ME_InsertTableCellFromCursor(info->editor);
996 cell = para->member.para.pCell;
997 }
998 }
999 /* Cell for table row delimiter is empty */
1000 cell->member.cell.nRightBoundary = tableDef->cells[i-1].rightBoundary;
1001 }
1002
1003 run = ME_FindItemFwd(cell, diRun);
1004 if (info->editor->pCursors[0].pRun != run ||
1005 info->editor->pCursors[0].nOffset)
1006 {
1007 int nOfs, nChars;
1008 /* Delete inserted cells that aren't defined. */
1009 info->editor->pCursors[1].pRun = run;
1010 info->editor->pCursors[1].nOffset = 0;
1011 nOfs = ME_GetCursorOfs(info->editor, 1);
1012 nChars = ME_GetCursorOfs(info->editor, 0) - nOfs;
1013 ME_InternalDeleteText(info->editor, nOfs, nChars, TRUE);
1014 }
1015
1016 para = ME_InsertTableRowEndFromCursor(info->editor);
1017 para->member.para.pFmt->dxOffset = abs(info->tableDef->gapH);
1018 para->member.para.pFmt->dxStartIndent = info->tableDef->leftEdge;
1019 ME_ApplyBorderProperties(info, &para->member.para.border,
1020 tableDef->border);
1021 info->nestingLevel--;
1022 if (!info->nestingLevel)
1023 {
1024 if (info->canInheritInTbl) {
1025 tableDef->tableRowStart = para;
1026 } else {
1027 while (info->tableDef) {
1028 tableDef = info->tableDef;
1029 info->tableDef = tableDef->parent;
1030 heap_free(tableDef);
1031 }
1032 }
1033 } else {
1034 info->tableDef = tableDef->parent;
1035 heap_free(tableDef);
1036 }
1037 } else { /* v1.0 - v3.0 */
1038 WCHAR endl = '\r';
1039 ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
1040 PARAFORMAT2 *pFmt = para->member.para.pFmt;
1041 pFmt->dxOffset = info->tableDef->gapH;
1042 pFmt->dxStartIndent = info->tableDef->leftEdge;
1043
1044 para = ME_GetParagraph(info->editor->pCursors[0].pRun);
1045 ME_ApplyBorderProperties(info, &para->member.para.border,
1046 tableDef->border);
1047 while (tableDef->numCellsInserted < tableDef->numCellsDefined)
1048 {
1049 WCHAR tab = '\t';
1050 ME_InsertTextFromCursor(info->editor, 0, &tab, 1, info->style);
1051 tableDef->numCellsInserted++;
1052 }
1053 pFmt->cTabCount = min(tableDef->numCellsDefined, MAX_TAB_STOPS);
1054 if (!tableDef->numCellsDefined)
1055 pFmt->wEffects &= ~PFE_TABLE;
1056 ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
1057 tableDef->numCellsInserted = 0;
1058 }
1059 break;
1060 }
1061 case rtfTab:
1062 case rtfPar:
1063 if (info->editor->bEmulateVersion10) { /* v1.0 - 3.0 */
1064 ME_DisplayItem *para;
1065 PARAFORMAT2 *pFmt;
1066 RTFFlushOutputBuffer(info);
1067 para = ME_GetParagraph(info->editor->pCursors[0].pRun);
1068 pFmt = para->member.para.pFmt;
1069 if (pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE)
1070 {
1071 /* rtfPar is treated like a space within a table. */
1072 info->rtfClass = rtfText;
1073 info->rtfMajor = ' ';
1074 }
1075 else if (info->rtfMinor == rtfPar && tableDef)
1076 tableDef->numCellsInserted = 0;
1077 }
1078 break;
1079 }
1080 }
1081
1082 static BOOL ME_RTFInsertOleObject(RTF_Info *info, HENHMETAFILE hemf, HBITMAP hbmp,
1083 const SIZEL* sz)
1084 {
1085 LPOLEOBJECT lpObject = NULL;
1086 LPSTORAGE lpStorage = NULL;
1087 LPOLECLIENTSITE lpClientSite = NULL;
1088 LPDATAOBJECT lpDataObject = NULL;
1089 LPOLECACHE lpOleCache = NULL;
1090 STGMEDIUM stgm;
1091 FORMATETC fm;
1092 CLSID clsid;
1093 BOOL ret = FALSE;
1094 DWORD conn;
1095
1096 if (hemf)
1097 {
1098 stgm.tymed = TYMED_ENHMF;
1099 stgm.u.hEnhMetaFile = hemf;
1100 fm.cfFormat = CF_ENHMETAFILE;
1101 }
1102 else if (hbmp)
1103 {
1104 stgm.tymed = TYMED_GDI;
1105 stgm.u.hBitmap = hbmp;
1106 fm.cfFormat = CF_BITMAP;
1107 }
1108 stgm.pUnkForRelease = NULL;
1109
1110 fm.ptd = NULL;
1111 fm.dwAspect = DVASPECT_CONTENT;
1112 fm.lindex = -1;
1113 fm.tymed = stgm.tymed;
1114
1115 if (!info->lpRichEditOle)
1116 {
1117 CreateIRichEditOle(info->editor, (VOID**)&info->lpRichEditOle);
1118 }
1119
1120 if (OleCreateDefaultHandler(&CLSID_NULL, NULL, &IID_IOleObject, (void**)&lpObject) == S_OK &&
1121 #if 0
1122 /* FIXME: enable it when rich-edit properly implements this method */
1123 IRichEditOle_GetClientSite(info->lpRichEditOle, &lpClientSite) == S_OK &&
1124 IOleObject_SetClientSite(lpObject, lpClientSite) == S_OK &&
1125 #endif
1126 IOleObject_GetUserClassID(lpObject, &clsid) == S_OK &&
1127 IOleObject_QueryInterface(lpObject, &IID_IOleCache, (void**)&lpOleCache) == S_OK &&
1128 IOleCache_Cache(lpOleCache, &fm, 0, &conn) == S_OK &&
1129 IOleObject_QueryInterface(lpObject, &IID_IDataObject, (void**)&lpDataObject) == S_OK &&
1130 IDataObject_SetData(lpDataObject, &fm, &stgm, TRUE) == S_OK)
1131 {
1132 REOBJECT reobject;
1133
1134 reobject.cbStruct = sizeof(reobject);
1135 reobject.cp = REO_CP_SELECTION;
1136 reobject.clsid = clsid;
1137 reobject.poleobj = lpObject;
1138 reobject.pstg = lpStorage;
1139 reobject.polesite = lpClientSite;
1140 /* convert from twips to .01 mm */
1141 reobject.sizel.cx = MulDiv(sz->cx, 254, 144);
1142 reobject.sizel.cy = MulDiv(sz->cy, 254, 144);
1143 reobject.dvaspect = DVASPECT_CONTENT;
1144 reobject.dwFlags = 0; /* FIXME */
1145 reobject.dwUser = 0;
1146
1147 /* FIXME: could be simpler */
1148 ret = IRichEditOle_InsertObject(info->lpRichEditOle, &reobject) == S_OK;
1149 }
1150
1151 if (lpObject) IOleObject_Release(lpObject);
1152 if (lpClientSite) IOleClientSite_Release(lpClientSite);
1153 if (lpStorage) IStorage_Release(lpStorage);
1154 if (lpDataObject) IDataObject_Release(lpDataObject);
1155 if (lpOleCache) IOleCache_Release(lpOleCache);
1156
1157 return ret;
1158 }
1159
1160 static void ME_RTFReadPictGroup(RTF_Info *info)
1161 {
1162 SIZEL sz;
1163 BYTE* buffer = NULL;
1164 unsigned bufsz, bufidx;
1165 BOOL flip;
1166 BYTE val;
1167 METAFILEPICT mfp;
1168 HENHMETAFILE hemf;
1169 HBITMAP hbmp;
1170 enum gfxkind {gfx_unknown = 0, gfx_enhmetafile, gfx_metafile, gfx_dib} gfx = gfx_unknown;
1171
1172 RTFGetToken (info);
1173 if (info->rtfClass == rtfEOF)
1174 return;
1175 mfp.mm = MM_TEXT;
1176 /* fetch picture type */
1177 if (RTFCheckMM (info, rtfPictAttr, rtfWinMetafile))
1178 {
1179 mfp.mm = info->rtfParam;
1180 gfx = gfx_metafile;
1181 }
1182 else if (RTFCheckMM (info, rtfPictAttr, rtfDevIndBitmap))
1183 {
1184 if (info->rtfParam != 0) FIXME("dibitmap should be 0 (%d)\n", info->rtfParam);
1185 gfx = gfx_dib;
1186 }
1187 else if (RTFCheckMM (info, rtfPictAttr, rtfEmfBlip))
1188 {
1189 gfx = gfx_enhmetafile;
1190 }
1191 else
1192 {
1193 FIXME("%d %d\n", info->rtfMajor, info->rtfMinor);
1194 goto skip_group;
1195 }
1196 sz.cx = sz.cy = 0;
1197 /* fetch picture attributes */
1198 for (;;)
1199 {
1200 RTFGetToken (info);
1201 if (info->rtfClass == rtfEOF)
1202 return;
1203 if (info->rtfClass == rtfText)
1204 break;
1205 if (!RTFCheckCM (info, rtfControl, rtfPictAttr))
1206 {
1207 ERR("Expected picture attribute (%d %d)\n",
1208 info->rtfClass, info->rtfMajor);
1209 goto skip_group;
1210 }
1211 else if (RTFCheckMM (info, rtfPictAttr, rtfPicWid))
1212 {
1213 if (gfx == gfx_metafile) mfp.xExt = info->rtfParam;
1214 }
1215 else if (RTFCheckMM (info, rtfPictAttr, rtfPicHt))
1216 {
1217 if (gfx == gfx_metafile) mfp.yExt = info->rtfParam;
1218 }
1219 else if (RTFCheckMM (info, rtfPictAttr, rtfPicGoalWid))
1220 sz.cx = info->rtfParam;
1221 else if (RTFCheckMM (info, rtfPictAttr, rtfPicGoalHt))
1222 sz.cy = info->rtfParam;
1223 else
1224 FIXME("Non supported attribute: %d %d %d\n", info->rtfClass, info->rtfMajor, info->rtfMinor);
1225 }
1226 /* fetch picture data */
1227 bufsz = 1024;
1228 bufidx = 0;
1229 buffer = HeapAlloc(GetProcessHeap(), 0, bufsz);
1230 val = info->rtfMajor;
1231 for (flip = TRUE;; flip = !flip)
1232 {
1233 RTFGetToken (info);
1234 if (info->rtfClass == rtfEOF)
1235 {
1236 HeapFree(GetProcessHeap(), 0, buffer);
1237 return; /* Warn ?? */
1238 }
1239 if (RTFCheckCM(info, rtfGroup, rtfEndGroup))
1240 break;
1241 if (info->rtfClass != rtfText) goto skip_group;
1242 if (flip)
1243 {
1244 if (bufidx >= bufsz &&
1245 !(buffer = HeapReAlloc(GetProcessHeap(), 0, buffer, bufsz += 1024)))
1246 goto skip_group;
1247 buffer[bufidx++] = RTFCharToHex(val) * 16 + RTFCharToHex(info->rtfMajor);
1248 }
1249 else
1250 val = info->rtfMajor;
1251 }
1252 if (flip) FIXME("wrong hex string\n");
1253
1254 switch (gfx)
1255 {
1256 case gfx_enhmetafile:
1257 if ((hemf = SetEnhMetaFileBits(bufidx, buffer)))
1258 ME_RTFInsertOleObject(info, hemf, NULL, &sz);
1259 break;
1260 case gfx_metafile:
1261 if ((hemf = SetWinMetaFileBits(bufidx, buffer, NULL, &mfp)))
1262 ME_RTFInsertOleObject(info, hemf, NULL, &sz);
1263 break;
1264 case gfx_dib:
1265 {
1266 BITMAPINFO* bi = (BITMAPINFO*)buffer;
1267 HDC hdc = GetDC(0);
1268 unsigned nc = bi->bmiHeader.biClrUsed;
1269
1270 /* not quite right, especially for bitfields type of compression */
1271 if (!nc && bi->bmiHeader.biBitCount <= 8)
1272 nc = 1 << bi->bmiHeader.biBitCount;
1273 if ((hbmp = CreateDIBitmap(hdc, &bi->bmiHeader,
1274 CBM_INIT, (char*)(bi + 1) + nc * sizeof(RGBQUAD),
1275 bi, DIB_RGB_COLORS)))
1276 ME_RTFInsertOleObject(info, NULL, hbmp, &sz);
1277 ReleaseDC(0, hdc);
1278 }
1279 break;
1280 default:
1281 break;
1282 }
1283 HeapFree(GetProcessHeap(), 0, buffer);
1284 RTFRouteToken (info); /* feed "}" back to router */
1285 return;
1286 skip_group:
1287 HeapFree(GetProcessHeap(), 0, buffer);
1288 RTFSkipGroup(info);
1289 RTFRouteToken(info); /* feed "}" back to router */
1290 }
1291
1292 /* for now, lookup the \result part and use it, whatever the object */
1293 static void ME_RTFReadObjectGroup(RTF_Info *info)
1294 {
1295 for (;;)
1296 {
1297 RTFGetToken (info);
1298 if (info->rtfClass == rtfEOF)
1299 return;
1300 if (RTFCheckCM(info, rtfGroup, rtfEndGroup))
1301 break;
1302 if (RTFCheckCM(info, rtfGroup, rtfBeginGroup))
1303 {
1304 RTFGetToken (info);
1305 if (info->rtfClass == rtfEOF)
1306 return;
1307 if (RTFCheckCMM(info, rtfControl, rtfDestination, rtfObjResult))
1308 {
1309 int level = 1;
1310
1311 while (RTFGetToken (info) != rtfEOF)
1312 {
1313 if (info->rtfClass == rtfGroup)
1314 {
1315 if (info->rtfMajor == rtfBeginGroup) level++;
1316 else if (info->rtfMajor == rtfEndGroup && --level < 0) break;
1317 }
1318 RTFRouteToken(info);
1319 }
1320 }
1321 else RTFSkipGroup(info);
1322 continue;
1323 }
1324 if (!RTFCheckCM (info, rtfControl, rtfObjAttr))
1325 {
1326 FIXME("Non supported attribute: %d %d %d\n", info->rtfClass, info->rtfMajor, info->rtfMinor);
1327 return;
1328 }
1329 }
1330 RTFRouteToken(info); /* feed "}" back to router */
1331 }
1332
1333 static void ME_RTFReadHook(RTF_Info *info)
1334 {
1335 switch(info->rtfClass)
1336 {
1337 case rtfGroup:
1338 switch(info->rtfMajor)
1339 {
1340 case rtfBeginGroup:
1341 if (info->stackTop < maxStack) {
1342 info->stack[info->stackTop].fmt = info->style->fmt;
1343 info->stack[info->stackTop].codePage = info->codePage;
1344 info->stack[info->stackTop].unicodeLength = info->unicodeLength;
1345 }
1346 info->stackTop++;
1347 info->styleChanged = FALSE;
1348 break;
1349 case rtfEndGroup:
1350 {
1351 ME_Style *s;
1352 RTFFlushOutputBuffer(info);
1353 info->stackTop--;
1354 if (info->stackTop<=0) {
1355 info->rtfClass = rtfEOF;
1356 return;
1357 }
1358 assert(info->stackTop >= 0);
1359 if (info->styleChanged)
1360 {
1361 /* FIXME too slow ? how come ? */
1362 s = ME_ApplyStyle(info->style, &info->stack[info->stackTop].fmt);
1363 ME_ReleaseStyle(info->style);
1364 info->style = s;
1365 info->codePage = info->stack[info->stackTop].codePage;
1366 info->unicodeLength = info->stack[info->stackTop].unicodeLength;
1367 }
1368 break;
1369 }
1370 }
1371 break;
1372 }
1373 }
1374
1375 void
1376 ME_StreamInFill(ME_InStream *stream)
1377 {
1378 stream->editstream->dwError = stream->editstream->pfnCallback(stream->editstream->dwCookie,
1379 (BYTE *)stream->buffer,
1380 sizeof(stream->buffer),
1381 (LONG *)&stream->dwSize);
1382 stream->dwUsed = 0;
1383 }
1384
1385 static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stream, BOOL stripLastCR)
1386 {
1387 RTF_Info parser;
1388 ME_Style *style;
1389 int from, to, to2, nUndoMode;
1390 int nEventMask = editor->nEventMask;
1391 ME_InStream inStream;
1392 BOOL invalidRTF = FALSE;
1393
1394 TRACE("stream==%p hWnd==%p format==0x%X\n", stream, editor->hWnd, format);
1395 editor->nEventMask = 0;
1396
1397 ME_GetSelection(editor, &from, &to);
1398 if ((format & SFF_SELECTION) && (editor->mode & TM_RICHTEXT)) {
1399 style = ME_GetSelectionInsertStyle(editor);
1400
1401 ME_InternalDeleteText(editor, from, to-from, FALSE);
1402
1403 /* Don't insert text at the end of the table row */
1404 if (!editor->bEmulateVersion10) { /* v4.1 */
1405 ME_DisplayItem *para = ME_GetParagraph(editor->pCursors->pRun);
1406 if (para->member.para.nFlags & MEPF_ROWEND)
1407 {
1408 para = para->member.para.next_para;
1409 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
1410 editor->pCursors[0].nOffset = 0;
1411 }
1412 if (para->member.para.nFlags & MEPF_ROWSTART)
1413 {
1414 para = para->member.para.next_para;
1415 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
1416 editor->pCursors[0].nOffset = 0;
1417 }
1418 editor->pCursors[1] = editor->pCursors[0];
1419 } else { /* v1.0 - 3.0 */
1420 if (editor->pCursors[0].pRun->member.run.nFlags & MERF_ENDPARA &&
1421 ME_IsInTable(editor->pCursors[0].pRun))
1422 return 0;
1423 }
1424 }
1425 else {
1426 ME_DisplayItem *para_item;
1427 style = editor->pBuffer->pDefaultStyle;
1428 ME_AddRefStyle(style);
1429 SendMessageA(editor->hWnd, EM_SETSEL, 0, 0);
1430 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
1431 from = to = 0;
1432 ME_ClearTempStyle(editor);
1433
1434 para_item = ME_GetParagraph(editor->pCursors[0].pRun);
1435 ME_SetDefaultParaFormat(para_item->member.para.pFmt);
1436 }
1437
1438
1439 /* Back up undo mode to a local variable */
1440 nUndoMode = editor->nUndoMode;
1441
1442 /* Only create an undo if SFF_SELECTION is set */
1443 if (!(format & SFF_SELECTION))
1444 editor->nUndoMode = umIgnore;
1445
1446 inStream.editstream = stream;
1447 inStream.editstream->dwError = 0;
1448 inStream.dwSize = 0;
1449 inStream.dwUsed = 0;
1450
1451 if (format & SF_RTF)
1452 {
1453 /* Check if it's really RTF, and if it is not, use plain text */
1454 ME_StreamInFill(&inStream);
1455 if (!inStream.editstream->dwError)
1456 {
1457 if ((!editor->bEmulateVersion10 && strncmp(inStream.buffer, "{\\rtf", 5) && strncmp(inStream.buffer, "{\\urtf", 6))
1458 || (editor->bEmulateVersion10 && *inStream.buffer != '{'))
1459 {
1460 invalidRTF = TRUE;
1461 inStream.editstream->dwError = -16;
1462 }
1463 }
1464 }
1465
1466 if (!invalidRTF && !inStream.editstream->dwError)
1467 {
1468 if (format & SF_RTF) {
1469 /* setup the RTF parser */
1470 memset(&parser, 0, sizeof parser);
1471 RTFSetEditStream(&parser, &inStream);
1472 parser.rtfFormat = format&(SF_TEXT|SF_RTF);
1473 parser.editor = editor;
1474 parser.style = style;
1475 WriterInit(&parser);
1476 RTFInit(&parser);
1477 RTFSetReadHook(&parser, ME_RTFReadHook);
1478 RTFSetDestinationCallback(&parser, rtfPict, ME_RTFReadPictGroup);
1479 RTFSetDestinationCallback(&parser, rtfObject, ME_RTFReadObjectGroup);
1480 if (!parser.editor->bEmulateVersion10) /* v4.1 */
1481 {
1482 RTFSetDestinationCallback(&parser, rtfNoNestTables, RTFSkipGroup);
1483 RTFSetDestinationCallback(&parser, rtfNestTableProps, RTFReadGroup);
1484 }
1485 BeginFile(&parser);
1486
1487 /* do the parsing */
1488 RTFRead(&parser);
1489 RTFFlushOutputBuffer(&parser);
1490 if (!editor->bEmulateVersion10) { /* v4.1 */
1491 if (parser.tableDef && parser.tableDef->tableRowStart &&
1492 (parser.nestingLevel > 0 || parser.canInheritInTbl))
1493 {
1494 /* Delete any incomplete table row at the end of the rich text. */
1495 int nOfs, nChars;
1496 ME_DisplayItem *pCell;
1497 ME_DisplayItem *para;
1498
1499 parser.rtfMinor = rtfRow;
1500 /* Complete the table row before deleting it.
1501 * By doing it this way we will have the current paragraph format set
1502 * properly to reflect that is not in the complete table, and undo items
1503 * will be added for this change to the current paragraph format. */
1504 if (parser.nestingLevel > 0)
1505 {
1506 while (parser.nestingLevel > 1)
1507 ME_RTFSpecialCharHook(&parser); /* Decrements nestingLevel */
1508 para = parser.tableDef->tableRowStart;
1509 ME_RTFSpecialCharHook(&parser);
1510 } else {
1511 para = parser.tableDef->tableRowStart;
1512 ME_RTFSpecialCharHook(&parser);
1513 assert(para->member.para.nFlags & MEPF_ROWEND);
1514 para = para->member.para.next_para;
1515 }
1516 pCell = para->member.para.pCell;
1517
1518 editor->pCursors[1].pRun = ME_FindItemFwd(para, diRun);
1519 editor->pCursors[1].nOffset = 0;
1520 nOfs = ME_GetCursorOfs(editor, 1);
1521 nChars = ME_GetCursorOfs(editor, 0) - nOfs;
1522 ME_InternalDeleteText(editor, nOfs, nChars, TRUE);
1523 if (parser.tableDef)
1524 parser.tableDef->tableRowStart = NULL;
1525 }
1526 }
1527 ME_CheckTablesForCorruption(editor);
1528 RTFDestroy(&parser);
1529 if (parser.lpRichEditOle)
1530 IRichEditOle_Release(parser.lpRichEditOle);
1531
1532 if (!inStream.editstream->dwError && parser.stackTop > 0)
1533 inStream.editstream->dwError = HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
1534
1535 /* Remove last line break, as mandated by tests. This is not affected by
1536 CR/LF counters, since RTF streaming presents only \para tokens, which
1537 are converted according to the standard rules: \r for 2.0, \r\n for 1.0
1538 */
1539 if (stripLastCR) {
1540 int newfrom, newto;
1541 ME_GetSelection(editor, &newfrom, &newto);
1542 if (newto > to + (editor->bEmulateVersion10 ? 1 : 0)) {
1543 WCHAR lastchar[3] = {'\0', '\0'};
1544 int linebreakSize = editor->bEmulateVersion10 ? 2 : 1;
1545
1546 ME_GetTextW(editor, lastchar, newto - linebreakSize, linebreakSize, 0);
1547 if (lastchar[0] == '\r' && (lastchar[1] == '\n' || lastchar[1] == '\0')) {
1548 ME_InternalDeleteText(editor, newto - linebreakSize, linebreakSize, FALSE);
1549 }
1550 }
1551 }
1552
1553 style = parser.style;
1554 }
1555 else if (format & SF_TEXT)
1556 ME_StreamInText(editor, format, &inStream, style);
1557 else
1558 ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n");
1559 ME_GetSelection(editor, &to, &to2);
1560 /* put the cursor at the top */
1561 if (!(format & SFF_SELECTION))
1562 SendMessageA(editor->hWnd, EM_SETSEL, 0, 0);
1563 }
1564
1565 /* Restore saved undo mode */
1566 editor->nUndoMode = nUndoMode;
1567
1568 /* even if we didn't add an undo, we need to commit anything on the stack */
1569 ME_CommitUndo(editor);
1570
1571 /* If SFF_SELECTION isn't set, delete any undos from before we started too */
1572 if (!(format & SFF_SELECTION))
1573 ME_EmptyUndoStack(editor);
1574
1575 ME_ReleaseStyle(style);
1576 editor->nEventMask = nEventMask;
1577 ME_UpdateRepaint(editor);
1578 if (!(format & SFF_SELECTION)) {
1579 ME_ClearTempStyle(editor);
1580 }
1581 HideCaret(editor->hWnd);
1582 ME_MoveCaret(editor);
1583 ShowCaret(editor->hWnd);
1584 ME_SendSelChange(editor);
1585 ME_SendRequestResize(editor, FALSE);
1586
1587 return 0;
1588 }
1589
1590
1591 typedef struct tagME_RTFStringStreamStruct
1592 {
1593 char *string;
1594 int pos;
1595 int length;
1596 } ME_RTFStringStreamStruct;
1597
1598 static DWORD CALLBACK ME_ReadFromRTFString(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
1599 {
1600 ME_RTFStringStreamStruct *pStruct = (ME_RTFStringStreamStruct *)dwCookie;
1601 int count;
1602
1603 count = min(cb, pStruct->length - pStruct->pos);
1604 memmove(lpBuff, pStruct->string + pStruct->pos, count);
1605 pStruct->pos += count;
1606 *pcb = count;
1607 return 0;
1608 }
1609
1610 static void
1611 ME_StreamInRTFString(ME_TextEditor *editor, BOOL selection, char *string)
1612 {
1613 EDITSTREAM es;
1614 ME_RTFStringStreamStruct data;
1615
1616 data.string = string;
1617 data.length = strlen(string);
1618 data.pos = 0;
1619 es.dwCookie = (DWORD)&data;
1620 es.pfnCallback = ME_ReadFromRTFString;
1621 ME_StreamIn(editor, SF_RTF | (selection ? SFF_SELECTION : 0), &es, FALSE);
1622 }
1623
1624
1625 ME_DisplayItem *
1626 ME_FindItemAtOffset(ME_TextEditor *editor, ME_DIType nItemType, int nOffset, int *nItemOffset)
1627 {
1628 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
1629 int runLength;
1630
1631 while (item && item->member.para.next_para->member.para.nCharOfs <= nOffset)
1632 item = ME_FindItemFwd(item, diParagraph);
1633
1634 if (!item)
1635 return item;
1636
1637 nOffset -= item->member.para.nCharOfs;
1638 if (nItemType == diParagraph) {
1639 if (nItemOffset)
1640 *nItemOffset = nOffset;
1641 return item;
1642 }
1643
1644 do {
1645 item = ME_FindItemFwd(item, diRun);
1646 runLength = ME_StrLen(item->member.run.strText);
1647 if (item->member.run.nFlags & MERF_ENDPARA)
1648 runLength = item->member.run.nCR + item->member.run.nLF;
1649 } while (item && (item->member.run.nCharOfs + runLength <= nOffset));
1650 if (item) {
1651 nOffset -= item->member.run.nCharOfs;
1652
1653 /* Special case: nOffset may not point exactly at the division between the
1654 \r and the \n in 1.0 emulation. If such a case happens, it is sent
1655 into the next run, if one exists
1656 */
1657 if ( item->member.run.nFlags & MERF_ENDPARA
1658 && nOffset == item->member.run.nCR
1659 && item->member.run.nLF > 0) {
1660 ME_DisplayItem *nextItem;
1661 nextItem = ME_FindItemFwd(item, diRun);
1662 if (nextItem) {
1663 nOffset = 0;
1664 item = nextItem;
1665 }
1666 }
1667 if (nItemOffset)
1668 *nItemOffset = nOffset;
1669 }
1670 return item;
1671 }
1672
1673
1674 static int
1675 ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCHAR *text, CHARRANGE *chrgText)
1676 {
1677 const int nLen = lstrlenW(text);
1678 const int nTextLen = ME_GetTextLength(editor);
1679 int nStart, nEnd;
1680 int nMin, nMax;
1681 ME_DisplayItem *item;
1682 ME_DisplayItem *para;
1683 WCHAR wLastChar = ' ';
1684
1685 TRACE("flags==0x%08x, chrg->cpMin==%d, chrg->cpMax==%d text==%s\n",
1686 flags, chrg->cpMin, chrg->cpMax, debugstr_w(text));
1687
1688 if (flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD))
1689 FIXME("Flags 0x%08x not implemented\n",
1690 flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD));
1691
1692 nMin = chrg->cpMin;
1693 if (chrg->cpMax == -1)
1694 nMax = nTextLen;
1695 else
1696 nMax = chrg->cpMax > nTextLen ? nTextLen : chrg->cpMax;
1697
1698 /* In 1.0 emulation, if cpMax reaches end of text, add the FR_DOWN flag */
1699 if (editor->bEmulateVersion10 && nMax == nTextLen)
1700 {
1701 flags |= FR_DOWN;
1702 }
1703
1704 /* In 1.0 emulation, cpMin must always be no greater than cpMax */
1705 if (editor->bEmulateVersion10 && nMax < nMin)
1706 {
1707 if (chrgText)
1708 {
1709 chrgText->cpMin = -1;
1710 chrgText->cpMax = -1;
1711 }
1712 return -1;
1713 }
1714
1715 /* when searching up, if cpMin < cpMax, then instead of searching
1716 * on [cpMin,cpMax], we search on [0,cpMin], otherwise, search on
1717 * [cpMax, cpMin]. The exception is when cpMax is -1, in which
1718 * case, it is always bigger than cpMin.
1719 */
1720 if (!editor->bEmulateVersion10 && !(flags & FR_DOWN))
1721 {
1722 int nSwap = nMax;
1723
1724 nMax = nMin > nTextLen ? nTextLen : nMin;
1725 if (nMin < nSwap || chrg->cpMax == -1)
1726 nMin = 0;
1727 else
1728 nMin = nSwap;
1729 }
1730
1731 if (!nLen || nMin < 0 || nMax < 0 || nMax < nMin)
1732 {
1733 if (chrgText)
1734 chrgText->cpMin = chrgText->cpMax = -1;
1735 return -1;
1736 }
1737
1738 if (flags & FR_DOWN) /* Forward search */
1739 {
1740 /* If possible, find the character before where the search starts */
1741 if ((flags & FR_WHOLEWORD) && nMin)
1742 {
1743 nStart = nMin - 1;
1744 item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart);
1745 if (!item)
1746 {
1747 if (chrgText)
1748 chrgText->cpMin = chrgText->cpMax = -1;
1749 return -1;
1750 }
1751 wLastChar = item->member.run.strText->szData[nStart];
1752 }
1753
1754 nStart = nMin;
1755 item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart);
1756 if (!item)
1757 {
1758 if (chrgText)
1759 chrgText->cpMin = chrgText->cpMax = -1;
1760 return -1;
1761 }
1762
1763 para = ME_GetParagraph(item);
1764 while (item
1765 && para->member.para.nCharOfs + item->member.run.nCharOfs + nStart + nLen <= nMax)
1766 {
1767 ME_DisplayItem *pCurItem = item;
1768 int nCurStart = nStart;
1769 int nMatched = 0;
1770
1771 while (pCurItem && ME_CharCompare(pCurItem->member.run.strText->szData[nCurStart + nMatched], text[nMatched], (flags & FR_MATCHCASE)))
1772 {
1773 if ((flags & FR_WHOLEWORD) && isalnumW(wLastChar))
1774 break;
1775
1776 nMatched++;
1777 if (nMatched == nLen)
1778 {
1779 ME_DisplayItem *pNextItem = pCurItem;
1780 int nNextStart = nCurStart;
1781 WCHAR wNextChar;
1782
1783 /* Check to see if next character is a whitespace */
1784 if (flags & FR_WHOLEWORD)
1785 {
1786 if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText))
1787 {
1788 pNextItem = ME_FindItemFwd(pCurItem, diRun);
1789 nNextStart = -nMatched;
1790 }
1791
1792 if (pNextItem)
1793 wNextChar = pNextItem->member.run.strText->szData[nNextStart + nMatched];
1794 else
1795 wNextChar = ' ';
1796
1797 if (isalnumW(wNextChar))
1798 break;
1799 }
1800
1801 nStart += para->member.para.nCharOfs + item->member.run.nCharOfs;
1802 if (chrgText)
1803 {
1804 chrgText->cpMin = nStart;
1805 chrgText->cpMax = nStart + nLen;
1806 }
1807 TRACE("found at %d-%d\n", nStart, nStart + nLen);
1808 return nStart;
1809 }
1810 if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText))
1811 {
1812 pCurItem = ME_FindItemFwd(pCurItem, diRun);
1813 para = ME_GetParagraph(pCurItem);
1814 nCurStart = -nMatched;
1815 }
1816 }
1817 if (pCurItem)
1818 wLastChar = pCurItem->member.run.strText->szData[nCurStart + nMatched];
1819 else
1820 wLastChar = ' ';
1821
1822 nStart++;
1823 if (nStart == ME_StrLen(item->member.run.strText))
1824 {
1825 item = ME_FindItemFwd(item, diRun);
1826 para = ME_GetParagraph(item);
1827 nStart = 0;
1828 }
1829 }
1830 }
1831 else /* Backward search */
1832 {
1833 /* If possible, find the character after where the search ends */
1834 if ((flags & FR_WHOLEWORD) && nMax < nTextLen - 1)
1835 {
1836 nEnd = nMax + 1;
1837 item = ME_FindItemAtOffset(editor, diRun, nEnd, &nEnd);
1838 if (!item)
1839 {
1840 if (chrgText)
1841 chrgText->cpMin = chrgText->cpMax = -1;
1842 return -1;
1843 }
1844 wLastChar = item->member.run.strText->szData[nEnd];
1845 }
1846
1847 nEnd = nMax;
1848 item = ME_FindItemAtOffset(editor, diRun, nEnd, &nEnd);
1849 if (!item)
1850 {
1851 if (chrgText)
1852 chrgText->cpMin = chrgText->cpMax = -1;
1853 return -1;
1854 }
1855
1856 para = ME_GetParagraph(item);
1857
1858 while (item
1859 && para->member.para.nCharOfs + item->member.run.nCharOfs + nEnd - nLen >= nMin)
1860 {
1861 ME_DisplayItem *pCurItem = item;
1862 int nCurEnd = nEnd;
1863 int nMatched = 0;
1864
1865 if (nCurEnd - nMatched == 0)
1866 {
1867 pCurItem = ME_FindItemBack(pCurItem, diRun);
1868 para = ME_GetParagraph(pCurItem);
1869 nCurEnd = ME_StrLen(pCurItem->member.run.strText) + nMatched;
1870 }
1871
1872 while (pCurItem && ME_CharCompare(pCurItem->member.run.strText->szData[nCurEnd - nMatched - 1], text[nLen - nMatched - 1], (flags & FR_MATCHCASE)))
1873 {
1874 if ((flags & FR_WHOLEWORD) && isalnumW(wLastChar))
1875 break;
1876
1877 nMatched++;
1878 if (nMatched == nLen)
1879 {
1880 ME_DisplayItem *pPrevItem = pCurItem;
1881 int nPrevEnd = nCurEnd;
1882 WCHAR wPrevChar;
1883
1884 /* Check to see if previous character is a whitespace */
1885 if (flags & FR_WHOLEWORD)
1886 {
1887 if (nPrevEnd - nMatched == 0)
1888 {
1889 pPrevItem = ME_FindItemBack(pCurItem, diRun);
1890 if (pPrevItem)
1891 nPrevEnd = ME_StrLen(pPrevItem->member.run.strText) + nMatched;
1892 }
1893
1894 if (pPrevItem)
1895 wPrevChar = pPrevItem->member.run.strText->szData[nPrevEnd - nMatched - 1];
1896 else
1897 wPrevChar = ' ';
1898
1899 if (isalnumW(wPrevChar))
1900 break;
1901 }
1902
1903 nStart = para->member.para.nCharOfs + pCurItem->member.run.nCharOfs + nCurEnd - nMatched;
1904 if (chrgText)
1905 {
1906 chrgText->cpMin = nStart;
1907 chrgText->cpMax = nStart + nLen;
1908 }
1909 TRACE("found at %d-%d\n", nStart, nStart + nLen);
1910 return nStart;
1911 }
1912 if (nCurEnd - nMatched == 0)
1913 {
1914 pCurItem = ME_FindItemBack(pCurItem, diRun);
1915 /* Don't care about pCurItem becoming NULL here; it's already taken
1916 * care of in the exterior loop condition */
1917 para = ME_GetParagraph(pCurItem);
1918 nCurEnd = ME_StrLen(pCurItem->member.run.strText) + nMatched;
1919 }
1920 }
1921 if (pCurItem)
1922 wLastChar = pCurItem->member.run.strText->szData[nCurEnd - nMatched - 1];
1923 else
1924 wLastChar = ' ';
1925
1926 nEnd--;
1927 if (nEnd < 0)
1928 {
1929 item = ME_FindItemBack(item, diRun);
1930 para = ME_GetParagraph(item);
1931 nEnd = ME_StrLen(item->member.run.strText);
1932 }
1933 }
1934 }
1935 TRACE("not found\n");
1936 if (chrgText)
1937 chrgText->cpMin = chrgText->cpMax = -1;
1938 return -1;
1939 }
1940
1941 static int ME_GetTextRange(ME_TextEditor *editor, TEXTRANGEW *rng, BOOL unicode)
1942 {
1943 if (unicode)
1944 return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin,
1945 rng->chrg.cpMax-rng->chrg.cpMin, 0);
1946 else
1947 {
1948 int nLen = rng->chrg.cpMax-rng->chrg.cpMin;
1949 WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1);
1950 int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, 0);
1951 /* FIXME this is a potential security hole (buffer overrun)
1952 if you know more about wchar->mbyte conversion please explain
1953 */
1954 WideCharToMultiByte(CP_ACP, 0, p, nChars+1, (char *)rng->lpstrText, nLen+1, NULL, NULL);
1955 FREE_OBJ(p);
1956 return nChars;
1957 }
1958 }
1959
1960 typedef struct tagME_GlobalDestStruct
1961 {
1962 HGLOBAL hData;
1963 int nLength;
1964 } ME_GlobalDestStruct;
1965
1966 static DWORD CALLBACK ME_ReadFromHGLOBALUnicode(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
1967 {
1968 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
1969 int i;
1970 WORD *pSrc, *pDest;
1971
1972 cb = cb >> 1;
1973 pDest = (WORD *)lpBuff;
1974 pSrc = GlobalLock(pData->hData);
1975 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
1976 pDest[i] = pSrc[pData->nLength+i];
1977 }
1978 pData->nLength += i;
1979 *pcb = 2*i;
1980 GlobalUnlock(pData->hData);
1981 return 0;
1982 }
1983
1984 static DWORD CALLBACK ME_ReadFromHGLOBALRTF(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
1985 {
1986 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
1987 int i;
1988 BYTE *pSrc, *pDest;
1989
1990 pDest = lpBuff;
1991 pSrc = GlobalLock(pData->hData);
1992 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
1993 pDest[i] = pSrc[pData->nLength+i];
1994 }
1995 pData->nLength += i;
1996 *pcb = i;
1997 GlobalUnlock(pData->hData);
1998 return 0;
1999 }
2000
2001 static BOOL ME_Paste(ME_TextEditor *editor)
2002 {
2003 DWORD dwFormat = 0;
2004 EDITSTREAM es;
2005 ME_GlobalDestStruct gds;
2006 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
2007 UINT cf = 0;
2008
2009 if (IsClipboardFormatAvailable(nRTFFormat))
2010 cf = nRTFFormat, dwFormat = SF_RTF;
2011 else if (IsClipboardFormatAvailable(CF_UNICODETEXT))
2012 cf = CF_UNICODETEXT, dwFormat = SF_TEXT|SF_UNICODE;
2013 else
2014 return FALSE;
2015
2016 if (!OpenClipboard(editor->hWnd))
2017 return FALSE;
2018 gds.hData = GetClipboardData(cf);
2019 gds.nLength = 0;
2020 es.dwCookie = (DWORD)&gds;
2021 es.pfnCallback = dwFormat == SF_RTF ? ME_ReadFromHGLOBALRTF : ME_ReadFromHGLOBALUnicode;
2022 ME_StreamIn(editor, dwFormat|SFF_SELECTION, &es, FALSE);
2023
2024 CloseClipboard();
2025 return TRUE;
2026 }
2027
2028 static BOOL ME_Copy(ME_TextEditor *editor, CHARRANGE *range)
2029 {
2030 LPDATAOBJECT dataObj = NULL;
2031 HRESULT hr = S_OK;
2032
2033 if (editor->cPasswordMask)
2034 return FALSE; /* Copying or Cutting masked text isn't allowed */
2035
2036 if(editor->lpOleCallback)
2037 hr = IRichEditOleCallback_GetClipboardData(editor->lpOleCallback, range, RECO_COPY, &dataObj);
2038 if(FAILED(hr) || !dataObj)
2039 hr = ME_GetDataObject(editor, range, &dataObj);
2040 if(SUCCEEDED(hr)) {
2041 hr = OleSetClipboard(dataObj);
2042 IDataObject_Release(dataObj);
2043 }
2044 return SUCCEEDED(hr) != 0;
2045 }
2046
2047 /* helper to send a msg filter notification */
2048 static BOOL
2049 ME_FilterEvent(ME_TextEditor *editor, UINT msg, WPARAM* wParam, LPARAM* lParam)
2050 {
2051 MSGFILTER msgf;
2052
2053 msgf.nmhdr.hwndFrom = editor->hWnd;
2054 msgf.nmhdr.idFrom = GetWindowLongW(editor->hWnd, GWLP_ID);
2055 msgf.nmhdr.code = EN_MSGFILTER;
2056 msgf.msg = msg;
2057
2058 msgf.wParam = *wParam;
2059 msgf.lParam = *lParam;
2060 if (SendMessageW(GetParent(editor->hWnd), WM_NOTIFY, msgf.nmhdr.idFrom, (LPARAM)&msgf))
2061 return FALSE;
2062 *wParam = msgf.wParam;
2063 *lParam = msgf.lParam;
2064 msgf.wParam = *wParam;
2065
2066 return TRUE;
2067 }
2068
2069 static BOOL
2070 ME_KeyDown(ME_TextEditor *editor, WORD nKey)
2071 {
2072 BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
2073 BOOL shift_is_down = GetKeyState(VK_SHIFT) & 0x8000;
2074
2075 if (nKey != VK_SHIFT && nKey != VK_CONTROL && nKey != VK_MENU)
2076 editor->nSelectionType = stPosition;
2077
2078 switch (nKey)
2079 {
2080 case VK_LEFT:
2081 case VK_RIGHT:
2082 case VK_HOME:
2083 case VK_END:
2084 editor->nUDArrowX = -1;
2085 /* fall through */
2086 case VK_UP:
2087 case VK_DOWN:
2088 case VK_PRIOR:
2089 case VK_NEXT:
2090 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
2091 ME_ArrowKey(editor, nKey, shift_is_down, ctrl_is_down);
2092 return TRUE;
2093 case VK_BACK:
2094 case VK_DELETE:
2095 editor->nUDArrowX = -1;
2096 /* FIXME backspace and delete aren't the same, they act different wrt paragraph style of the merged paragraph */
2097 if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY)
2098 return FALSE;
2099 if (ME_IsSelection(editor))
2100 {
2101 ME_DeleteSelection(editor);
2102 ME_CommitUndo(editor);
2103 }
2104 else if (nKey == VK_DELETE)
2105 {
2106 /* Delete stops group typing.
2107 * (See MSDN remarks on EM_STOPGROUPTYPING message) */
2108 ME_DeleteTextAtCursor(editor, 1, 1);
2109 ME_CommitUndo(editor);
2110 }
2111 else if (ME_ArrowKey(editor, VK_LEFT, FALSE, FALSE))
2112 {
2113 BOOL bDeletionSucceeded;
2114 /* Backspace can be grouped for a single undo */
2115 ME_ContinueCoalescingTransaction(editor);
2116 bDeletionSucceeded = ME_DeleteTextAtCursor(editor, 1, 1);
2117 if (!bDeletionSucceeded && !editor->bEmulateVersion10) { /* v4.1 */
2118 /* Deletion was prevented so the cursor is moved back to where it was.
2119 * (e.g. this happens when trying to delete cell boundaries)
2120 */
2121 ME_ArrowKey(editor, VK_RIGHT, FALSE, FALSE);
2122 }
2123 ME_CommitCoalescingUndo(editor);
2124 }
2125 else
2126 return TRUE;
2127 ME_MoveCursorFromTableRowStartParagraph(editor);
2128 ME_UpdateSelectionLinkAttribute(editor);
2129 ME_UpdateRepaint(editor);
2130 ME_SendRequestResize(editor, FALSE);
2131 return TRUE;
2132 case 'A':
2133 if (ctrl_is_down)
2134 {
2135 ME_SetSelection(editor, 0, -1);
2136 return TRUE;
2137 }
2138 break;
2139 case 'V':
2140 if (ctrl_is_down)
2141 return ME_Paste(editor);
2142 break;
2143 case 'C':
2144 case 'X':
2145 if (ctrl_is_down)
2146 {
2147 CHARRANGE range;
2148 BOOL result;
2149
2150 ME_GetSelection(editor, &range.cpMin, &range.cpMax);
2151 result = ME_Copy(editor, &range);
2152 if (result && nKey == 'X')
2153 {
2154 ME_InternalDeleteText(editor, range.cpMin, range.cpMax-range.cpMin, FALSE);
2155 ME_CommitUndo(editor);
2156 ME_UpdateRepaint(editor);
2157 }
2158 return result;
2159 }
2160 break;
2161 case 'Z':
2162 if (ctrl_is_down)
2163 {
2164 ME_Undo(editor);
2165 return TRUE;
2166 }
2167 break;
2168 case 'Y':
2169 if (ctrl_is_down)
2170 {
2171 ME_Redo(editor);
2172 return TRUE;
2173 }
2174 break;
2175
2176 default:
2177 if (nKey != VK_SHIFT && nKey != VK_CONTROL && nKey && nKey != VK_MENU)
2178 editor->nUDArrowX = -1;
2179 if (ctrl_is_down)
2180 {
2181 if (nKey == 'W')
2182 {
2183 CHARFORMAT2W chf;
2184 char buf[2048];
2185 chf.cbSize = sizeof(chf);
2186
2187 ME_GetSelectionCharFormat(editor, &chf);
2188 ME_DumpStyleToBuf(&chf, buf);
2189 MessageBoxA(NULL, buf, "Style dump", MB_OK);
2190 }
2191 if (nKey == 'Q')
2192 {
2193 ME_CheckCharOffsets(editor);
2194 }
2195 }
2196 }
2197 return FALSE;
2198 }
2199
2200 /* Process the message and calculate the new click count.
2201 *
2202 * returns: The click count if it is mouse down event, else returns 0. */
2203 static int ME_CalculateClickCount(ME_TextEditor *editor, UINT msg, WPARAM wParam,
2204 LPARAM lParam)
2205 {
2206 static int clickNum = 0;
2207 if (msg < WM_MOUSEFIRST || msg > WM_MOUSELAST)
2208 return 0;
2209
2210 if ((msg == WM_LBUTTONDBLCLK) ||
2211 (msg == WM_RBUTTONDBLCLK) ||
2212 (msg == WM_MBUTTONDBLCLK) ||
2213 (msg == WM_XBUTTONDBLCLK))
2214 {
2215 msg -= (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
2216 }
2217
2218 if ((msg == WM_LBUTTONDOWN) ||
2219 (msg == WM_RBUTTONDOWN) ||
2220 (msg == WM_MBUTTONDOWN) ||
2221 (msg == WM_XBUTTONDOWN))
2222 {
2223 static MSG prevClickMsg;
2224 MSG clickMsg;
2225 /* Compare the editor instead of the hwnd so that the this
2226 * can still be done for windowless richedit controls. */
2227 clickMsg.hwnd = (HWND)editor;
2228 clickMsg.message = msg;
2229 clickMsg.wParam = wParam;
2230 clickMsg.lParam = lParam;
2231 clickMsg.time = GetMessageTime();
2232 clickMsg.pt.x = (short)LOWORD(lParam);
2233 clickMsg.pt.y = (short)HIWORD(lParam);
2234 if ((clickNum != 0) &&
2235 (clickMsg.message == prevClickMsg.message) &&
2236 (clickMsg.hwnd == prevClickMsg.hwnd) &&
2237 (clickMsg.wParam == prevClickMsg.wParam) &&
2238 (clickMsg.time - prevClickMsg.time < GetDoubleClickTime()) &&
2239 (abs(clickMsg.pt.x - prevClickMsg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
2240 (abs(clickMsg.pt.y - prevClickMsg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
2241 {
2242 clickNum++;
2243 } else {
2244 clickNum = 1;
2245 }
2246 prevClickMsg = clickMsg;
2247 } else {
2248 return 0;
2249 }
2250 return clickNum;
2251 }
2252
2253 static BOOL ME_SetCursor(ME_TextEditor *editor)
2254 {
2255 POINT pt;
2256 BOOL isExact;
2257 int offset;
2258 SCROLLBARINFO sbi;
2259 DWORD messagePos = GetMessagePos();
2260 pt.x = (short)LOWORD(messagePos);
2261 pt.y = (short)HIWORD(messagePos);
2262
2263 sbi.cbSize = sizeof(sbi);
2264 GetScrollBarInfo(editor->hWnd, OBJID_HSCROLL, &sbi);
2265 if (!(sbi.rgstate[0] & (STATE_SYSTEM_INVISIBLE|STATE_SYSTEM_OFFSCREEN)) &&
2266 PtInRect(&sbi.rcScrollBar, pt))
2267 {
2268 SetCursor(LoadCursorW(NULL, (WCHAR*)IDC_ARROW));
2269 return TRUE;
2270 }
2271 sbi.cbSize = sizeof(sbi);
2272 GetScrollBarInfo(editor->hWnd, OBJID_VSCROLL, &sbi);
2273 if (!(sbi.rgstate[0] & (STATE_SYSTEM_INVISIBLE|STATE_SYSTEM_OFFSCREEN)) &&
2274 PtInRect(&sbi.rcScrollBar, pt))
2275 {
2276 SetCursor(LoadCursorW(NULL, (WCHAR*)IDC_ARROW));
2277 return TRUE;
2278 }
2279 ScreenToClient(editor->hWnd, &pt);
2280
2281 if ((GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_SELECTIONBAR) &&
2282 (pt.x < editor->selofs ||
2283 (editor->nSelectionType == stLine && GetCapture() == editor->hWnd)))
2284 {
2285 SetCursor(hLeft);
2286 return TRUE;
2287 }
2288 offset = ME_CharFromPos(editor, pt.x, pt.y, &isExact);
2289 if (isExact)
2290 {
2291 if (editor->AutoURLDetect_bEnable)
2292 {
2293 ME_Cursor cursor;
2294 ME_Run *run;
2295 ME_CursorFromCharOfs(editor, offset, &cursor);
2296 run = &cursor.pRun->member.run;
2297 if (editor->AutoURLDetect_bEnable &&
2298 run->style->fmt.dwMask & CFM_LINK &&
2299 run->style->fmt.dwEffects & CFE_LINK)
2300 {
2301 SetCursor(LoadCursorW(NULL, (WCHAR*)IDC_HAND));
2302 return TRUE;
2303 }
2304 }
2305 if (ME_IsSelection(editor))
2306 {
2307 int selStart, selEnd;
2308 ME_GetSelection(editor, &selStart, &selEnd);
2309 if (selStart <= offset && selEnd >= offset) {
2310 SetCursor(LoadCursorW(NULL, (WCHAR*)IDC_ARROW));
2311 return TRUE;
2312 }
2313 }
2314 }
2315 SetCursor(LoadCursorW(NULL, (WCHAR*)IDC_IBEAM));
2316 return TRUE;
2317 }
2318
2319 static BOOL ME_ShowContextMenu(ME_TextEditor *editor, int x, int y)
2320 {
2321 CHARRANGE selrange;
2322 HMENU menu;
2323 int seltype = 0;
2324 if(!editor->lpOleCallback)
2325 return FALSE;
2326 ME_GetSelection(editor, &selrange.cpMin, &selrange.cpMax);
2327 if(selrange.cpMin == selrange.cpMax)
2328 seltype |= SEL_EMPTY;
2329 else
2330 {
2331 /* FIXME: Handle objects */
2332 seltype |= SEL_TEXT;
2333 if(selrange.cpMax-selrange.cpMin > 1)
2334 seltype |= SEL_MULTICHAR;
2335 }
2336 if(SUCCEEDED(IRichEditOleCallback_GetContextMenu(editor->lpOleCallback, seltype, NULL, &selrange, &menu)))
2337 {
2338 TrackPopupMenu(menu, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, GetParent(editor->hWnd), NULL);
2339 DestroyMenu(menu);
2340 }
2341 return TRUE;
2342 }
2343
2344 ME_TextEditor *ME_MakeEditor(HWND hWnd) {
2345 ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor);
2346 int i;
2347 ed->hWnd = hWnd;
2348 ed->bEmulateVersion10 = FALSE;
2349 ed->pBuffer = ME_MakeText();
2350 ed->nZoomNumerator = ed->nZoomDenominator = 0;
2351 ME_MakeFirstParagraph(ed);
2352 /* The four cursors are for:
2353 * 0 - The position where the caret is shown
2354 * 1 - The anchored end of the selection (for normal selection)
2355 * 2 & 3 - The anchored start and end respectively for word, line,
2356 * or paragraph selection.
2357 */
2358 ed->nCursors = 4;
2359 ed->pCursors = ALLOC_N_OBJ(ME_Cursor, ed->nCursors);
2360 ed->pCursors[0].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
2361 ed->pCursors[0].nOffset = 0;
2362 ed->pCursors[1].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
2363 ed->pCursors[1].nOffset = 0;
2364 ed->pCursors[2] = ed->pCursors[0];
2365 ed->pCursors[3] = ed->pCursors[1];
2366 ed->nLastTotalLength = ed->nTotalLength = 0;
2367 ed->nHeight = 0;
2368 ed->nUDArrowX = -1;
2369 ed->nSequence = 0;
2370 ed->rgbBackColor = -1;
2371 ed->hbrBackground = GetSysColorBrush(COLOR_WINDOW);
2372 ed->bCaretAtEnd = FALSE;
2373 ed->nEventMask = 0;
2374 ed->nModifyStep = 0;
2375 ed->nTextLimit = TEXT_LIMIT_DEFAULT;
2376 ed->pUndoStack = ed->pRedoStack = ed->pUndoStackBottom = NULL;
2377 ed->nUndoStackSize = 0;
2378 ed->nUndoLimit = STACK_SIZE_DEFAULT;
2379 ed->nUndoMode = umAddToUndo;
2380 ed->nParagraphs = 1;
2381 ed->nLastSelStart = ed->nLastSelEnd = 0;
2382 ed->pLastSelStartPara = ed->pLastSelEndPara = ME_FindItemFwd(ed->pBuffer->pFirst, diParagraph);
2383 ed->bWordWrap = (GetWindowLongW(hWnd, GWL_STYLE) & (WS_HSCROLL|ES_AUTOHSCROLL)) ? FALSE : TRUE;
2384 ed->bHideSelection = FALSE;
2385 ed->nInvalidOfs = -1;
2386 ed->pfnWordBreak = NULL;
2387 ed->lpOleCallback = NULL;
2388 ed->mode = TM_RICHTEXT | TM_MULTILEVELUNDO | TM_MULTICODEPAGE;
2389 ed->AutoURLDetect_bEnable = FALSE;
2390 ed->bHaveFocus = FALSE;
2391 for (i=0; i<HFONT_CACHE_SIZE; i++)
2392 {
2393 ed->pFontCache[i].nRefs = 0;
2394 ed->pFontCache[i].nAge = 0;
2395 ed->pFontCache[i].hFont = NULL;
2396 }
2397
2398 ME_CheckCharOffsets(ed);
2399 if (GetWindowLongW(hWnd, GWL_STYLE) & ES_SELECTIONBAR)
2400 ed->selofs = SELECTIONBAR_WIDTH;
2401 else
2402 ed->selofs = 0;
2403 ed->nSelectionType = stPosition;
2404
2405 if (GetWindowLongW(hWnd, GWL_STYLE) & ES_PASSWORD)
2406 ed->cPasswordMask = '*';
2407 else
2408 ed->cPasswordMask = 0;
2409
2410 ed->notified_cr.cpMin = ed->notified_cr.cpMax = 0;
2411
2412 /* Default vertical scrollbar information */
2413 ed->vert_si.cbSize = sizeof(SCROLLINFO);
2414 ed->vert_si.nMin = 0;
2415 ed->vert_si.nMax = 0;
2416 ed->vert_si.nPage = 0;
2417 ed->vert_si.nPos = 0;
2418
2419 OleInitialize(NULL);
2420
2421 return ed;
2422 }
2423
2424 void ME_DestroyEditor(ME_TextEditor *editor)
2425 {
2426 ME_DisplayItem *pFirst = editor->pBuffer->pFirst;
2427 ME_DisplayItem *p = pFirst, *pNext = NULL;
2428 int i;
2429
2430 ME_ClearTempStyle(editor);
2431 ME_EmptyUndoStack(editor);
2432 while(p) {
2433 pNext = p->next;
2434 ME_DestroyDisplayItem(p);
2435 p = pNext;
2436 }
2437 ME_ReleaseStyle(editor->pBuffer->pDefaultStyle);
2438 for (i=0; i<HFONT_CACHE_SIZE; i++)
2439 {
2440 if (editor->pFontCache[i].hFont)
2441 DeleteObject(editor->pFontCache[i].hFont);
2442 }
2443 if (editor->rgbBackColor != -1)
2444 DeleteObject(editor->hbrBackground);
2445 if(editor->lpOleCallback)
2446 IUnknown_Release(editor->lpOleCallback);
2447 OleUninitialize();
2448
2449 FREE_OBJ(editor->pBuffer);
2450 FREE_OBJ(editor->pCursors);
2451
2452 FREE_OBJ(editor);
2453 }
2454
2455 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
2456 {
2457 TRACE("\n");
2458 switch (fdwReason)
2459 {
2460 case DLL_PROCESS_ATTACH:
2461 DisableThreadLibraryCalls(hinstDLL);
2462 me_heap = HeapCreate (0, 0x10000, 0);
2463 if (!ME_RegisterEditorClass(hinstDLL)) return FALSE;
2464 hLeft = LoadCursorW(hinstDLL, MAKEINTRESOURCEW(OCR_REVERSE));
2465 LookupInit();
2466 break;
2467
2468 case DLL_PROCESS_DETACH:
2469 UnregisterClassW(RichEdit20W, 0);
2470 UnregisterClassW(RichEdit50W, 0);
2471 UnregisterClassA("RichEdit20A", 0);
2472 UnregisterClassA("RichEdit50A", 0);
2473 if (ME_ListBoxRegistered)
2474 UnregisterClassW(REListBox20W, 0);
2475 if (ME_ComboBoxRegistered)
2476 UnregisterClassW(REComboBox20W, 0);
2477 LookupCleanup();
2478 HeapDestroy (me_heap);
2479 me_heap = NULL;
2480 break;
2481 }
2482 return TRUE;
2483 }
2484
2485
2486 #define UNSUPPORTED_MSG(e) \
2487 case e: \
2488 FIXME(#e ": stub\n"); \
2489 return DefWindowProcW(hWnd, msg, wParam, lParam);
2490
2491 static const char * const edit_messages[] = {
2492 "EM_GETSEL",
2493 "EM_SETSEL",
2494 "EM_GETRECT",
2495 "EM_SETRECT",
2496 "EM_SETRECTNP",
2497 "EM_SCROLL",
2498 "EM_LINESCROLL",
2499 "EM_SCROLLCARET",
2500 "EM_GETMODIFY",
2501 "EM_SETMODIFY",
2502 "EM_GETLINECOUNT",
2503 "EM_LINEINDEX",
2504 "EM_SETHANDLE",
2505 "EM_GETHANDLE",
2506 "EM_GETTHUMB",
2507 "EM_UNKNOWN_BF",
2508 "EM_UNKNOWN_C0",
2509 "EM_LINELENGTH",
2510 "EM_REPLACESEL",
2511 "EM_UNKNOWN_C3",
2512 "EM_GETLINE",
2513 "EM_LIMITTEXT",
2514 "EM_CANUNDO",
2515 "EM_UNDO",
2516 "EM_FMTLINES",
2517 "EM_LINEFROMCHAR",
2518 "EM_UNKNOWN_CA",
2519 "EM_SETTABSTOPS",
2520 "EM_SETPASSWORDCHAR",
2521 "EM_EMPTYUNDOBUFFER",
2522 "EM_GETFIRSTVISIBLELINE",
2523 "EM_SETREADONLY",
2524 "EM_SETWORDBREAKPROC",
2525 "EM_GETWORDBREAKPROC",
2526 "EM_GETPASSWORDCHAR",
2527 "EM_SETMARGINS",
2528 "EM_GETMARGINS",
2529 "EM_GETLIMITTEXT",
2530 "EM_POSFROMCHAR",
2531 "EM_CHARFROMPOS",
2532 "EM_SETIMESTATUS",
2533 "EM_GETIMESTATUS"
2534 };
2535
2536 static const char * const richedit_messages[] = {
2537 "EM_CANPASTE",
2538 "EM_DISPLAYBAND",
2539 "EM_EXGETSEL",
2540 "EM_EXLIMITTEXT",
2541 "EM_EXLINEFROMCHAR",
2542 "EM_EXSETSEL",
2543 "EM_FINDTEXT",
2544 "EM_FORMATRANGE",
2545 "EM_GETCHARFORMAT",
2546 "EM_GETEVENTMASK",
2547 "EM_GETOLEINTERFACE",
2548 "EM_GETPARAFORMAT",
2549 "EM_GETSELTEXT",
2550 "EM_HIDESELECTION",
2551 "EM_PASTESPECIAL",
2552 "EM_REQUESTRESIZE",
2553 "EM_SELECTIONTYPE",
2554 "EM_SETBKGNDCOLOR",
2555 "EM_SETCHARFORMAT",
2556 "EM_SETEVENTMASK",
2557 "EM_SETOLECALLBACK",
2558 "EM_SETPARAFORMAT",
2559 "EM_SETTARGETDEVICE",
2560 "EM_STREAMIN",
2561 "EM_STREAMOUT",
2562 "EM_GETTEXTRANGE",
2563 "EM_FINDWORDBREAK",
2564 "EM_SETOPTIONS",
2565 "EM_GETOPTIONS",
2566 "EM_FINDTEXTEX",
2567 "EM_GETWORDBREAKPROCEX",
2568 "EM_SETWORDBREAKPROCEX",
2569 "EM_SETUNDOLIMIT",
2570 "EM_UNKNOWN_USER_83",
2571 "EM_REDO",
2572 "EM_CANREDO",
2573 "EM_GETUNDONAME",
2574 "EM_GETREDONAME",
2575 "EM_STOPGROUPTYPING",
2576 "EM_SETTEXTMODE",
2577 "EM_GETTEXTMODE",
2578 "EM_AUTOURLDETECT",
2579 "EM_GETAUTOURLDETECT",
2580 "EM_SETPALETTE",
2581 "EM_GETTEXTEX",
2582 "EM_GETTEXTLENGTHEX",
2583 "EM_SHOWSCROLLBAR",
2584 "EM_SETTEXTEX",
2585 "EM_UNKNOWN_USER_98",
2586 "EM_UNKNOWN_USER_99",
2587 "EM_SETPUNCTUATION",
2588 "EM_GETPUNCTUATION",
2589 "EM_SETWORDWRAPMODE",
2590 "EM_GETWORDWRAPMODE",
2591 "EM_SETIMECOLOR",
2592 "EM_GETIMECOLOR",
2593 "EM_SETIMEOPTIONS",
2594 "EM_GETIMEOPTIONS",
2595 "EM_CONVPOSITION",
2596 "EM_UNKNOWN_USER_109",
2597 "EM_UNKNOWN_USER_110",
2598 "EM_UNKNOWN_USER_111",
2599 "EM_UNKNOWN_USER_112",
2600 "EM_UNKNOWN_USER_113",
2601 "EM_UNKNOWN_USER_114",
2602 "EM_UNKNOWN_USER_115",
2603 "EM_UNKNOWN_USER_116",
2604 "EM_UNKNOWN_USER_117",
2605 "EM_UNKNOWN_USER_118",
2606 "EM_UNKNOWN_USER_119",
2607 "EM_SETLANGOPTIONS",
2608 "EM_GETLANGOPTIONS",
2609 "EM_GETIMECOMPMODE",
2610 "EM_FINDTEXTW",
2611 "EM_FINDTEXTEXW",
2612 "EM_RECONVERSION",
2613 "EM_SETIMEMODEBIAS",
2614 "EM_GETIMEMODEBIAS"
2615 };
2616
2617 static const char *
2618 get_msg_name(UINT msg)
2619 {
2620 if (msg >= EM_GETSEL && msg <= EM_CHARFROMPOS)
2621 return edit_messages[msg - EM_GETSEL];
2622 if (msg >= EM_CANPASTE && msg <= EM_GETIMEMODEBIAS)
2623 return richedit_messages[msg - EM_CANPASTE];
2624 return "";
2625 }
2626
2627 static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
2628 LPARAM lParam, BOOL unicode)
2629 {
2630 ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongPtrW(hWnd, 0);
2631
2632 TRACE("hwnd %p msg %04x (%s) %lx %lx, unicode %d\n",
2633 hWnd, msg, get_msg_name(msg), wParam, lParam, unicode);
2634
2635 if (!editor && msg != WM_NCCREATE && msg != WM_NCDESTROY) {
2636 ERR("called with invalid hWnd %p - application bug?\n", hWnd);
2637 return 0;
2638 }
2639
2640 switch(msg) {
2641
2642 UNSUPPORTED_MSG(EM_DISPLAYBAND)
2643 UNSUPPORTED_MSG(EM_FINDWORDBREAK)
2644 UNSUPPORTED_MSG(EM_FMTLINES)
2645 UNSUPPORTED_MSG(EM_FORMATRANGE)
2646 UNSUPPORTED_MSG(EM_GETBIDIOPTIONS)
2647 UNSUPPORTED_MSG(EM_GETEDITSTYLE)
2648 UNSUPPORTED_MSG(EM_GETIMECOMPMODE)
2649 UNSUPPORTED_MSG(EM_GETIMESTATUS)
2650 UNSUPPORTED_MSG(EM_SETIMESTATUS)
2651 UNSUPPORTED_MSG(EM_GETLANGOPTIONS)
2652 /* UNSUPPORTED_MSG(EM_GETOLEINTERFACE) separate stub */
2653 UNSUPPORTED_MSG(EM_GETREDONAME)
2654 UNSUPPORTED_MSG(EM_GETTEXTMODE)
2655 UNSUPPORTED_MSG(EM_GETTYPOGRAPHYOPTIONS)
2656 UNSUPPORTED_MSG(EM_GETUNDONAME)
2657 UNSUPPORTED_MSG(EM_GETWORDBREAKPROCEX)
2658 UNSUPPORTED_MSG(EM_PASTESPECIAL)
2659 UNSUPPORTED_MSG(EM_SELECTIONTYPE)
2660 UNSUPPORTED_MSG(EM_SETBIDIOPTIONS)
2661 UNSUPPORTED_MSG(EM_SETEDITSTYLE)
2662 UNSUPPORTED_MSG(EM_SETFONTSIZE)
2663 UNSUPPORTED_MSG(EM_SETLANGOPTIONS)
2664 UNSUPPORTED_MSG(EM_SETMARGINS)
2665 UNSUPPORTED_MSG(EM_SETPALETTE)
2666 UNSUPPORTED_MSG(EM_SETTABSTOPS)
2667 UNSUPPORTED_MSG(EM_SETTYPOGRAPHYOPTIONS)
2668 UNSUPPORTED_MSG(EM_SETWORDBREAKPROCEX)
2669 UNSUPPORTED_MSG(WM_STYLECHANGING)
2670 UNSUPPORTED_MSG(WM_STYLECHANGED)
2671
2672 /* Messages specific to Richedit controls */
2673
2674 case EM_STREAMIN:
2675 return ME_StreamIn(editor, wParam, (EDITSTREAM*)lParam, TRUE);
2676 case EM_STREAMOUT:
2677 return ME_StreamOut(editor, wParam, (EDITSTREAM *)lParam);
2678 case WM_GETDLGCODE:
2679 {
2680 UINT code = DLGC_WANTCHARS|DLGC_WANTARROWS;
2681 if(lParam && (((LPMSG)lParam)->message == WM_KEYDOWN))
2682 {
2683 int vk = (int)((LPMSG)lParam)->wParam;
2684 /* if style says we want return key */
2685 if((vk == VK_RETURN) && (GetWindowLongW(hWnd, GWL_STYLE) & ES_WANTRETURN))
2686 {
2687 code |= DLGC_WANTMESSAGE;
2688 }
2689 /* we always handle ctrl-tab */
2690 if((vk == VK_TAB) && (GetKeyState(VK_CONTROL) & 0x8000))
2691 {
2692 code |= DLGC_WANTMESSAGE;
2693 }
2694 }
2695 return code;
2696 }
2697 case WM_NCCREATE:
2698 {
2699 CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam;
2700 TRACE("WM_NCCREATE: style 0x%08x\n", pcs->style);
2701 editor = ME_MakeEditor(hWnd);
2702 SetWindowLongPtrW(hWnd, 0, (LONG_PTR)editor);
2703 return TRUE;
2704 }
2705 case EM_EMPTYUNDOBUFFER:
2706 ME_EmptyUndoStack(editor);
2707 return 0;
2708 case EM_GETSEL:
2709 {
2710 /* Note: wParam/lParam can be NULL */
2711 UINT from, to;
2712 PUINT pfrom = wParam ? (PUINT)wParam : &from;
2713 PUINT pto = lParam ? (PUINT)lParam : &to;
2714 ME_GetSelection(editor, (int *)pfrom, (int *)pto);
2715 if ((*pfrom|*pto) & 0xFFFF0000)
2716 return -1;
2717 return MAKELONG(*pfrom,*pto);
2718 }
2719 case EM_EXGETSEL:
2720 {
2721 CHARRANGE *pRange = (CHARRANGE *)lParam;
2722 ME_GetSelection(editor, &pRange->cpMin, &pRange->cpMax);
2723 TRACE("EM_EXGETSEL = (%d,%d)\n", pRange->cpMin, pRange->cpMax);
2724 return 0;
2725 }
2726 case EM_SETUNDOLIMIT:
2727 {
2728 if ((int)wParam < 0)
2729 editor->nUndoLimit = STACK_SIZE_DEFAULT;
2730 else
2731 editor->nUndoLimit = min(wParam, STACK_SIZE_MAX);
2732 /* Setting a max stack size keeps wine from getting killed
2733 for hogging memory. Windows allocates all this memory at once, so
2734 no program would realistically set a value above our maximum. */
2735 return editor->nUndoLimit;
2736 }
2737 case EM_CANUNDO:
2738 return editor->pUndoStack != NULL;
2739 case EM_CANREDO:
2740 return editor->pRedoStack != NULL;
2741 case WM_UNDO: /* FIXME: actually not the same */
2742 case EM_UNDO:
2743 return ME_Undo(editor);
2744 case EM_REDO:
2745 return ME_Redo(editor);
2746 case EM_GETOPTIONS:
2747 {
2748 /* these flags are equivalent to the ES_* counterparts */
2749 DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL |
2750 ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN;
2751 DWORD settings = GetWindowLongW(hWnd, GWL_STYLE) & mask;
2752
2753 return settings;
2754 }
2755 case EM_SETOPTIONS:
2756 {
2757 /* these flags are equivalent to ES_* counterparts
2758 * ECO_READONLY is already implemented in the code, only requires
2759 * setting the bit to work
2760 */
2761 DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL |
2762 ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN | ECO_SELECTIONBAR;
2763 DWORD raw = GetWindowLongW(hWnd, GWL_STYLE);
2764 DWORD settings = mask & raw;
2765
2766 switch(wParam)
2767 {
2768 case ECOOP_SET:
2769 settings = lParam;
2770 break;
2771 case ECOOP_OR:
2772 settings |= lParam;
2773 break;
2774 case ECOOP_AND:
2775 settings &= lParam;
2776 break;
2777 case ECOOP_XOR:
2778 settings ^= lParam;
2779 }
2780 SetWindowLongW(hWnd, GWL_STYLE, (raw & ~mask) | (settings & mask));
2781
2782 if (settings & ECO_AUTOWORDSELECTION)
2783 FIXME("ECO_AUTOWORDSELECTION not implemented yet!\n");
2784 if (settings & ECO_SELECTIONBAR)
2785 editor->selofs = SELECTIONBAR_WIDTH;
2786 else
2787 editor->selofs = 0;
2788 ME_WrapMarkedParagraphs(editor);
2789
2790 if (settings & ECO_VERTICAL)
2791 FIXME("ECO_VERTICAL not implemented yet!\n");
2792 if (settings & ECO_AUTOHSCROLL)
2793 FIXME("ECO_AUTOHSCROLL not implemented yet!\n");
2794 if (settings & ECO_AUTOVSCROLL)
2795 FIXME("ECO_AUTOVSCROLL not implemented yet!\n");
2796 if (settings & ECO_NOHIDESEL)
2797 FIXME("ECO_NOHIDESEL not implemented yet!\n");
2798 if (settings & ECO_WANTRETURN)
2799 FIXME("ECO_WANTRETURN not implemented yet!\n");
2800
2801 return settings;
2802 }
2803 case EM_SETSEL:
2804 {
2805 ME_InvalidateSelection(editor);
2806 ME_SetSelection(editor, wParam, lParam);
2807 ME_InvalidateSelection(editor);
2808 HideCaret(editor->hWnd);
2809 ME_ShowCaret(editor);
2810 ME_SendSelChange(editor);
2811 return 0;
2812 }
2813 case EM_SETSCROLLPOS:
2814 {
2815 POINT *point = (POINT *)lParam;
2816 ME_ScrollAbs(editor, point->y);
2817 return 0;
2818 }
2819 case EM_AUTOURLDETECT:
2820 {
2821 if (wParam==1 || wParam ==0)
2822 {
2823 editor->AutoURLDetect_bEnable = (BOOL)wParam;
2824 return 0;
2825 }
2826 return E_INVALIDARG;
2827 }
2828 case EM_GETAUTOURLDETECT:
2829 {
2830 return editor->AutoURLDetect_bEnable;
2831 }
2832 case EM_EXSETSEL:
2833 {
2834 int end;
2835 CHARRANGE range = *(CHARRANGE *)lParam;
2836
2837 TRACE("EM_EXSETSEL (%d,%d)\n", range.cpMin, range.cpMax);
2838
2839 ME_InvalidateSelection(editor);
2840 end = ME_SetSelection(editor, range.cpMin, range.cpMax);
2841 ME_InvalidateSelection(editor);
2842 HideCaret(editor->hWnd);
2843 ME_ShowCaret(editor);
2844 ME_SendSelChange(editor);
2845
2846 return end;
2847 }
2848 case EM_SHOWSCROLLBAR:
2849 {
2850 ShowScrollBar(editor->hWnd, wParam, lParam);
2851 return 0;
2852 }
2853 case EM_SETTEXTEX:
2854 {
2855 LPWSTR wszText;
2856 SETTEXTEX *pStruct = (SETTEXTEX *)wParam;
2857 size_t len;
2858 int from, to;
2859 ME_Style *style;
2860 int oldModify = editor->nModifyStep;
2861
2862 if (!pStruct) return 0;
2863
2864 TRACE("EM_SETTEXTEX - %s, flags %d, cp %d\n",
2865 pStruct->codepage == 1200 ? debugstr_w((LPCWSTR)lParam) : debugstr_a((LPCSTR)lParam),
2866 pStruct->flags, pStruct->codepage);
2867
2868 /* FIXME: make use of pStruct->codepage in the to unicode translation */
2869 wszText = lParam ? ME_ToUnicode(pStruct->codepage == 1200, (void *)lParam) : NULL;
2870 len = wszText ? lstrlenW(wszText) : 0;
2871
2872 if (pStruct->flags & ST_SELECTION) {
2873 ME_GetSelection(editor, &from, &to);
2874 style = ME_GetSelectionInsertStyle(editor);
2875 ME_InternalDeleteText(editor, from, to - from, FALSE);
2876 if (pStruct->codepage != 1200 && lParam &&
2877 (!strncmp((char *)lParam, "{\\rtf", 5) || !strncmp((char *)lParam, "{\\urtf}", 6)))
2878 ME_StreamInRTFString(editor, 1, (char *)lParam);
2879 else ME_InsertTextFromCursor(editor, 0, wszText, len, style);
2880 ME_ReleaseStyle(style);
2881
2882 if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
2883 }
2884 else {
2885 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
2886 if (pStruct->codepage != 1200 && lParam &&
2887 (!strncmp((char *)lParam, "{\\rtf", 5) || !strncmp((char *)lParam, "{\\urtf}", 6)))
2888 ME_StreamInRTFString(editor, 0, (char *)lParam);
2889 else ME_InsertTextFromCursor(editor, 0, wszText, len, editor->pBuffer->pDefaultStyle);
2890 len = 1;
2891
2892 if (editor->AutoURLDetect_bEnable) ME_UpdateLinkAttribute(editor, 0, -1);
2893 }
2894 ME_CommitUndo(editor);
2895 if (!(pStruct->flags & ST_KEEPUNDO))
2896 {
2897 editor->nModifyStep = oldModify;
2898 ME_EmptyUndoStack(editor);
2899 }
2900 ME_UpdateRepaint(editor);
2901 return len;
2902 }
2903 case EM_SETBKGNDCOLOR:
2904 {
2905 LRESULT lColor;
2906 if (editor->rgbBackColor != -1) {
2907 DeleteObject(editor->hbrBackground);
2908 lColor = editor->rgbBackColor;
2909 }
2910 else lColor = GetSysColor(COLOR_WINDOW);
2911
2912 if (wParam)
2913 {
2914 editor->rgbBackColor = -1;
2915 editor->hbrBackground = GetSysColorBrush(COLOR_WINDOW);
2916 }
2917 else
2918 {
2919 editor->rgbBackColor = lParam;
2920 editor->hbrBackground = CreateSolidBrush(editor->rgbBackColor);
2921 }
2922 InvalidateRect(hWnd, NULL, TRUE);
2923 UpdateWindow(hWnd);
2924 return lColor;
2925 }
2926 case EM_GETMODIFY:
2927 return editor->nModifyStep == 0 ? 0 : -1;
2928 case EM_SETMODIFY:
2929 {
2930 if (wParam)
2931 editor->nModifyStep = 1;
2932 else
2933 editor->nModifyStep = 0;
2934
2935 return 0;
2936 }
2937 case EM_SETREADONLY:
2938 {
2939 long nStyle = GetWindowLongW(hWnd, GWL_STYLE);
2940 if (wParam)
2941 nStyle |= ES_READONLY;
2942 else
2943 nStyle &= ~ES_READONLY;
2944 SetWindowLongW(hWnd, GWL_STYLE, nStyle);
2945 return 0;
2946 }
2947 case EM_SETEVENTMASK:
2948 {
2949 DWORD nOldMask = editor->nEventMask;
2950
2951 editor->nEventMask = lParam;
2952 return nOldMask;
2953 }
2954 case EM_GETEVENTMASK:
2955 return editor->nEventMask;
2956 case EM_SETCHARFORMAT:
2957 {
2958 CHARFORMAT2W buf, *p;
2959 BOOL bRepaint = TRUE;
2960 p = ME_ToCF2W(&buf, (CHARFORMAT2W *)lParam);
2961 if (p == NULL) return 0;
2962 if (!wParam)
2963 ME_SetDefaultCharFormat(editor, p);
2964 else if (wParam == (SCF_WORD | SCF_SELECTION)) {
2965 FIXME("EM_SETCHARFORMAT: word selection not supported\n");
2966 return 0;
2967 } else if (wParam == SCF_ALL) {
2968 if (editor->mode & TM_PLAINTEXT)
2969 ME_SetDefaultCharFormat(editor, p);
2970 else {
2971 ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), p);
2972 editor->nModifyStep = 1;
2973 }
2974 } else if (editor->mode & TM_PLAINTEXT) {
2975 return 0;
2976 } else {
2977 int from, to;
2978 ME_GetSelection(editor, &from, &to);
2979 bRepaint = (from != to);
2980 ME_SetSelectionCharFormat(editor, p);
2981 if (from != to) editor->nModifyStep = 1;
2982 }
2983 ME_CommitUndo(editor);
2984 if (bRepaint)
2985 ME_RewrapRepaint(editor);
2986 return 1;
2987 }
2988 case EM_GETCHARFORMAT:
2989 {
2990 CHARFORMAT2W tmp, *dst = (CHARFORMAT2W *)lParam;
2991 if (dst->cbSize != sizeof(CHARFORMATA) &&
2992 dst->cbSize != sizeof(CHARFORMATW) &&
2993 dst->cbSize != sizeof(CHARFORMAT2A) &&
2994 dst->cbSize != sizeof(CHARFORMAT2W))
2995 return 0;
2996 tmp.cbSize = sizeof(tmp);
2997 if (!wParam)
2998 ME_GetDefaultCharFormat(editor, &tmp);
2999 else
3000 ME_GetSelectionCharFormat(editor, &tmp);
3001 ME_CopyToCFAny(dst, &tmp);
3002 return tmp.dwMask;
3003 }
3004 case EM_SETPARAFORMAT:
3005 {
3006 BOOL result = ME_SetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
3007 ME_RewrapRepaint(editor);
3008 ME_CommitUndo(editor);
3009 return result;
3010 }
3011 case EM_GETPARAFORMAT:
3012 ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
3013 return ((PARAFORMAT2 *)lParam)->dwMask;
3014 case EM_GETFIRSTVISIBLELINE:
3015 {
3016 ME_DisplayItem *p = editor->pBuffer->pFirst;
3017 int y = ME_GetYScrollPos(editor);
3018 int ypara = 0;
3019 int count = 0;
3020 int ystart, yend;
3021 while(p) {
3022 p = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd);
3023 if (p->type == diTextEnd)
3024 break;
3025 if (p->type == diParagraph) {
3026 ypara = p->member.para.pt.y;
3027 continue;
3028 }
3029 ystart = ypara + p->member.row.pt.y;
3030 yend = ystart + p->member.row.nHeight;
3031 if (y < yend) {
3032 break;
3033 }
3034 count++;
3035 }
3036 return count;
3037 }
3038 case EM_HIDESELECTION:
3039 {
3040 editor->bHideSelection = (wParam != 0);
3041 ME_InvalidateSelection(editor);
3042 return 0;
3043 }
3044 case EM_LINESCROLL:
3045 {
3046 ME_ScrollDown(editor, lParam * 8); /* FIXME follow the original */
3047 return TRUE; /* Should return false if a single line richedit control */
3048 }
3049 case WM_CLEAR:
3050 {
3051 int from, to;
3052 ME_GetSelection(editor, &from, &to);
3053 ME_InternalDeleteText(editor, from, to-from, FALSE);
3054 ME_CommitUndo(editor);
3055 ME_UpdateRepaint(editor);
3056 return 0;
3057 }
3058 case EM_REPLACESEL:
3059 {
3060 int from, to;
3061 ME_Style *style;
3062 LPWSTR wszText = lParam ? ME_ToUnicode(unicode, (void *)lParam) : NULL;
3063 size_t len = wszText ? lstrlenW(wszText) : 0;
3064 TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText));
3065
3066 ME_GetSelection(editor, &from, &to);
3067 style = ME_GetSelectionInsertStyle(editor);
3068 ME_InternalDeleteText(editor, from, to-from, FALSE);
3069 ME_InsertTextFromCursor(editor, 0, wszText, len, style);
3070 ME_ReleaseStyle(style);
3071 /* drop temporary style if line end */
3072 /*
3073 * FIXME question: does abc\n mean: put abc,
3074 * clear temp style, put \n? (would require a change)
3075 */
3076 if (len>0 && wszText[len-1] == '\n')
3077 ME_ClearTempStyle(editor);
3078 ME_EndToUnicode(unicode, wszText);
3079 ME_CommitUndo(editor);
3080 if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
3081 if (!wParam)
3082 ME_EmptyUndoStack(editor);
3083 ME_UpdateRepaint(editor);
3084 return len;
3085 }
3086 case EM_SCROLLCARET:
3087 ME_EnsureVisible(editor, editor->pCursors[0].pRun);
3088 return 0;
3089 case WM_SETFONT:
3090 {
3091 LOGFONTW lf;
3092 CHARFORMAT2W fmt;
3093 HDC hDC;
3094 BOOL bRepaint = LOWORD(lParam);
3095
3096 if (!wParam)
3097 wParam = (WPARAM)GetStockObject(SYSTEM_FONT);
3098 GetObjectW((HGDIOBJ)wParam, sizeof(LOGFONTW), &lf);
3099 hDC = GetDC(hWnd);
3100 ME_CharFormatFromLogFont(hDC, &lf, &fmt);
3101 ReleaseDC(hWnd, hDC);
3102 ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), &fmt);
3103 ME_SetDefaultCharFormat(editor, &fmt);
3104
3105 ME_CommitUndo(editor);
3106 if (bRepaint)
3107 ME_RewrapRepaint(editor);
3108 return 0;
3109 }
3110 case WM_SETTEXT:
3111 {
3112 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
3113 if (lParam)
3114 {
3115 TRACE("WM_SETTEXT lParam==%lx\n",lParam);
3116 if (!unicode && !strncmp((char *)lParam, "{\\rtf", 5))
3117 {
3118 /* Undocumented: WM_SETTEXT supports RTF text */
3119 ME_StreamInRTFString(editor, 0, (char *)lParam);
3120 }
3121 else
3122 {
3123 LPWSTR wszText = ME_ToUnicode(unicode, (void *)lParam);
3124 TRACE("WM_SETTEXT - %s\n", debugstr_w(wszText)); /* debugstr_w() */
3125 if (lstrlenW(wszText) > 0)
3126 {
3127 int len = -1;
3128
3129 /* uses default style! */
3130 if (!(GetWindowLongW(hWnd, GWL_STYLE) & ES_MULTILINE))
3131 {
3132 WCHAR * p;
3133
3134 p = wszText;
3135 while (*p != '\0' && *p != '\r' && *p != '\n') p++;
3136 len = p - wszText;
3137 }
3138 ME_InsertTextFromCursor(editor, 0, wszText, len, editor->pBuffer->pDefaultStyle);
3139 }
3140 ME_EndToUnicode(unicode, wszText);
3141 }
3142 }
3143 else
3144 TRACE("WM_SETTEXT - NULL\n");
3145 if (editor->AutoURLDetect_bEnable)
3146 {
3147 ME_UpdateLinkAttribute(editor, 0, -1);
3148 }
3149 ME_SetSelection(editor, 0, 0);
3150 editor->nModifyStep = 0;
3151 ME_CommitUndo(editor);
3152 ME_EmptyUndoStack(editor);
3153 ME_UpdateRepaint(editor);
3154 return 1;
3155 }
3156 case EM_CANPASTE:
3157 {
3158 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
3159 if (IsClipboardFormatAvailable(nRTFFormat))
3160 return TRUE;
3161 if (IsClipboardFormatAvailable(CF_UNICODETEXT))
3162 return TRUE;
3163 return FALSE;
3164 }
3165 case WM_PASTE:
3166 ME_Paste(editor);
3167 return 0;
3168 case WM_CUT:
3169 case WM_COPY:
3170 {
3171 CHARRANGE range;
3172 ME_GetSelection(editor, &range.cpMin, &range.cpMax);
3173
3174 if (ME_Copy(editor, &range) && msg == WM_CUT)
3175 {
3176 ME_InternalDeleteText(editor, range.cpMin, range.cpMax-range.cpMin, FALSE);
3177 ME_CommitUndo(editor);
3178 ME_UpdateRepaint(editor);
3179 }
3180 return 0;
3181 }
3182 case WM_GETTEXTLENGTH:
3183 {
3184 GETTEXTLENGTHEX how;
3185
3186 /* CR/LF conversion required in 2.0 mode, verbatim in 1.0 mode */
3187 how.flags = GTL_CLOSE | (editor->bEmulateVersion10 ? 0 : GTL_USECRLF) | GTL_NUMCHARS;
3188 how.codepage = unicode ? 1200 : CP_ACP;
3189 return ME_GetTextLengthEx(editor, &how);
3190 }
3191 case EM_GETTEXTLENGTHEX:
3192 return ME_GetTextLengthEx(editor, (GETTEXTLENGTHEX *)wParam);
3193 case WM_GETTEXT:
3194 {
3195 GETTEXTEX ex;
3196 LRESULT rc;
3197 LPSTR bufferA = NULL;
3198 LPWSTR bufferW = NULL;
3199
3200 if (unicode)
3201 bufferW = heap_alloc((wParam + 2) * sizeof(WCHAR));
3202 else
3203 bufferA = heap_alloc(wParam + 2);
3204
3205 ex.cb = (wParam + 2) * (unicode ? sizeof(WCHAR) : sizeof(CHAR));
3206 ex.flags = GT_USECRLF;
3207 ex.codepage = unicode ? 1200 : CP_ACP;
3208 ex.lpDefaultChar = NULL;
3209 ex.lpUsedDefChar = NULL;
3210 rc = RichEditWndProc_common(hWnd, EM_GETTEXTEX, (WPARAM)&ex, unicode ? (LPARAM)bufferW : (LPARAM)bufferA, unicode);
3211
3212 if (unicode)
3213 {
3214 memcpy((LPWSTR)lParam, bufferW, wParam * sizeof(WCHAR));
3215 if (strlenW(bufferW) >= wParam) rc = 0;
3216 }
3217 else
3218 {
3219 memcpy((LPSTR)lParam, bufferA, wParam);
3220 if (strlen(bufferA) >= wParam) rc = 0;
3221 }
3222 heap_free(bufferA);
3223 heap_free(bufferW);
3224 return rc;
3225 }
3226 case EM_GETTEXTEX:
3227 {
3228 GETTEXTEX *ex = (GETTEXTEX*)wParam;
3229 int nStart, nCount; /* in chars */
3230
3231 if (ex->flags & ~(GT_SELECTION | GT_USECRLF))
3232 FIXME("GETTEXTEX flags 0x%08x not supported\n", ex->flags & ~(GT_SELECTION | GT_USECRLF));
3233
3234 if (ex->flags & GT_SELECTION)
3235 {
3236 ME_GetSelection(editor, &nStart, &nCount);
3237 nCount -= nStart;
3238 }
3239 else
3240 {
3241 nStart = 0;
3242 nCount = 0x7fffffff;
3243 }
3244 if (ex->codepage == 1200)
3245 {
3246 nCount = min(nCount, ex->cb / sizeof(WCHAR) - 1);
3247 return ME_GetTextW(editor, (LPWSTR)lParam, nStart, nCount, ex->flags & GT_USECRLF);
3248 }
3249 else
3250 {
3251 /* potentially each char may be a CR, why calculate the exact value with O(N) when
3252 we can just take a bigger buffer? :)
3253 The above assumption still holds with CR/LF counters, since CR->CRLF expansion
3254 occurs only in richedit 2.0 mode, in which line breaks have only one CR
3255 */
3256 int crlfmul = (ex->flags & GT_USECRLF) ? 2 : 1;
3257 LPWSTR buffer;
3258 DWORD buflen = ex->cb;
3259 LRESULT rc;
3260 DWORD flags = 0;
3261
3262 nCount = min(nCount, ex->cb - 1);
3263 buffer = heap_alloc((crlfmul*nCount + 1) * sizeof(WCHAR));
3264
3265 buflen = ME_GetTextW(editor, buffer, nStart, nCount, ex->flags & GT_USECRLF);
3266 rc = WideCharToMultiByte(ex->codepage, flags, buffer, buflen+1, (LPSTR)lParam, ex->cb, ex->lpDefaultChar, ex->lpUsedDefChar);
3267 if (rc) rc--; /* do not count 0 terminator */
3268
3269 heap_free(buffer);
3270 return rc;
3271 }
3272 }
3273 case EM_GETSELTEXT:
3274 {
3275 int from, to;
3276 TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */
3277 ME_GetSelection(editor, &from, &to);
3278 tr.chrg.cpMin = from;
3279 tr.chrg.cpMax = to;
3280 tr.lpstrText = (WCHAR *)lParam;
3281 return ME_GetTextRange(editor, &tr, unicode);
3282 }
3283 case EM_GETSCROLLPOS:
3284 {
3285 POINT *point = (POINT *)lParam;
3286 point->x = 0; /* FIXME side scrolling not implemented */
3287 point->y = ME_GetYScrollPos(editor);
3288 return 1;
3289 }
3290 case EM_GETTEXTRANGE:
3291 {
3292 TEXTRANGEW *rng = (TEXTRANGEW *)lParam;
3293 TRACE("EM_GETTEXTRANGE min=%d max=%d unicode=%d emul1.0=%d length=%d\n",
3294 rng->chrg.cpMin, rng->chrg.cpMax, unicode,
3295 editor->bEmulateVersion10, ME_GetTextLength(editor));
3296 return ME_GetTextRange(editor, rng, unicode);
3297 }
3298 case EM_GETLINE:
3299 {
3300 ME_DisplayItem *run;
3301 const unsigned int nMaxChars = *(WORD *) lParam;
3302 unsigned int nCharsLeft = nMaxChars;
3303 char *dest = (char *) lParam;
3304 BOOL wroteNull = FALSE;
3305
3306 TRACE("EM_GETLINE: row=%d, nMaxChars=%d (%s)\n", (int) wParam, nMaxChars,
3307 unicode ? "Unicode" : "Ansi");
3308
3309 run = ME_FindRowWithNumber(editor, wParam);
3310 if (run == NULL)
3311 return 0;
3312
3313 while (nCharsLeft && (run = ME_FindItemFwd(run, diRunOrStartRow))
3314 && !(run->member.run.nFlags & MERF_ENDPARA))
3315 {
3316 unsigned int nCopy;
3317 ME_String *strText;
3318 if (run->type != diRun)
3319 break;
3320 strText = run->member.run.strText;
3321 nCopy = min(nCharsLeft, strText->nLen);
3322
3323 if (unicode)
3324 lstrcpynW((LPWSTR) dest, strText->szData, nCopy);
3325 else
3326 nCopy = WideCharToMultiByte(CP_ACP, 0, strText->szData, nCopy, dest,
3327 nCharsLeft, NULL, NULL);
3328 dest += nCopy * (unicode ? sizeof(WCHAR) : 1);
3329 nCharsLeft -= nCopy;
3330 }
3331
3332 /* append line termination, space allowing */
3333 if (nCharsLeft > 0)
3334 {
3335 if (run && (run->member.run.nFlags & MERF_ENDPARA))
3336 {
3337 int i;
3338 /* Write as many \r as encoded in end-of-paragraph, space allowing */
3339 for (i = 0; i < run->member.run.nCR && nCharsLeft > 0; i++, nCharsLeft--)
3340 {
3341 *((WCHAR *)dest) = '\r';
3342 dest += unicode ? sizeof(WCHAR) : 1;
3343 }
3344 /* Write as many \n as encoded in end-of-paragraph, space allowing */
3345 for (i = 0; i < run->member.run.nLF && nCharsLeft > 0; i++, nCharsLeft--)
3346 {
3347 *((WCHAR *)dest) = '\n';
3348 dest += unicode ? sizeof(WCHAR) : 1;
3349 }
3350 }
3351 if (nCharsLeft > 0)
3352 {
3353 if (unicode)
3354 *((WCHAR *)dest) = '\0';
3355 else
3356 *dest = '\0';
3357 nCharsLeft--;
3358 wroteNull = TRUE;
3359 }
3360 }
3361
3362 TRACE("EM_GETLINE: got %u characters\n", nMaxChars - nCharsLeft);
3363 return nMaxChars - nCharsLeft - (wroteNull ? 1 : 0);
3364 }
3365 case EM_GETLINECOUNT:
3366 {
3367 ME_DisplayItem *item = editor->pBuffer->pFirst->next;
3368 int nRows = 0;
3369
3370 ME_DisplayItem *prev_para = NULL, *last_para = NULL;
3371
3372 while (item != editor->pBuffer->pLast)
3373 {
3374 assert(item->type == diParagraph);
3375 prev_para = ME_FindItemBack(item, diRun);
3376 if (prev_para) {
3377 assert(prev_para->member.run.nFlags & MERF_ENDPARA);
3378 }
3379 nRows += item->member.para.nRows;
3380 item = item->member.para.next_para;
3381 }
3382 last_para = ME_FindItemBack(item, diRun);
3383 assert(last_para);
3384 assert(last_para->member.run.nFlags & MERF_ENDPARA);
3385 if (editor->bEmulateVersion10 && prev_para && last_para->member.run.nCharOfs == 0
3386 && prev_para->member.run.nCR == 1 && prev_para->member.run.nLF == 0)
3387 {
3388 /* In 1.0 emulation, the last solitary \r at the very end of the text
3389 (if one exists) is NOT a line break.
3390 FIXME: this is an ugly hack. This should have a more regular model. */
3391 nRows--;
3392 }
3393
3394 TRACE("EM_GETLINECOUNT: nRows==%d\n", nRows);
3395 return max(1, nRows);
3396 }
3397 case EM_LINEFROMCHAR:
3398 {
3399 if (wParam == -1)
3400 return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor, 1));
3401 else
3402 return ME_RowNumberFromCharOfs(editor, wParam);
3403 }
3404 case EM_EXLINEFROMCHAR:
3405 {
3406 if (lParam == -1)
3407 return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor,1));
3408 else
3409 return ME_RowNumberFromCharOfs(editor, lParam);
3410 }
3411 case EM_LINEINDEX:
3412 {
3413 ME_DisplayItem *item, *para;
3414 int nCharOfs;
3415
3416 if (wParam == -1)
3417 item = ME_FindItemBack(editor->pCursors[0].pRun, diStartRow);
3418 else
3419 item = ME_FindRowWithNumber(editor, wParam);
3420 if (!item)
3421 return -1;
3422 para = ME_GetParagraph(item);
3423 item = ME_FindItemFwd(item, diRun);
3424 nCharOfs = para->member.para.nCharOfs + item->member.run.nCharOfs;
3425 TRACE("EM_LINEINDEX: nCharOfs==%d\n", nCharOfs);
3426 return nCharOfs;
3427 }
3428 case EM_LINELENGTH:
3429 {
3430 ME_DisplayItem *item, *item_end;
3431 int nChars = 0, nThisLineOfs = 0, nNextLineOfs = 0;
3432
3433 if (wParam > ME_GetTextLength(editor))
3434 return 0;
3435 if (wParam == -1)
3436 {
3437 FIXME("EM_LINELENGTH: returning number of unselected characters on lines with selection unsupported.\n");
3438 return 0;
3439 }
3440 item = ME_FindItemAtOffset(editor, diRun, wParam, NULL);
3441 item = ME_RowStart(item);
3442 nThisLineOfs = ME_CharOfsFromRunOfs(editor, ME_FindItemFwd(item, diRun), 0);
3443 item_end = ME_FindItemFwd(item, diStartRowOrParagraphOrEnd);
3444 if (item_end->type == diStartRow)
3445 nNextLineOfs = ME_CharOfsFromRunOfs(editor, ME_FindItemFwd(item_end, diRun), 0);
3446 else
3447 {
3448 ME_DisplayItem *endPara;
3449
3450 nNextLineOfs = ME_FindItemFwd(item, diParagraphOrEnd)->member.para.nCharOfs;
3451 endPara = ME_FindItemFwd(item, diParagraphOrEnd);
3452 endPara = ME_FindItemBack(endPara, diRun);
3453 assert(endPara);
3454 assert(endPara->type == diRun);
3455 assert(endPara->member.run.nFlags & MERF_ENDPARA);
3456 nNextLineOfs -= endPara->member.run.nCR + endPara->member.run.nLF;
3457 }
3458 nChars = nNextLineOfs - nThisLineOfs;
3459 TRACE("EM_LINELENGTH(%ld)==%d\n",wParam, nChars);
3460 return nChars;
3461 }
3462 case EM_EXLIMITTEXT:
3463 {
3464 if ((int)lParam < 0)
3465 return 0;
3466 if (lParam == 0)
3467 editor->nTextLimit = 65536;
3468 else
3469 editor->nTextLimit = (int) lParam;
3470 return 0;
3471 }
3472 case EM_LIMITTEXT:
3473 {
3474 if (wParam == 0)
3475 editor->nTextLimit = 65536;
3476 else
3477 editor->nTextLimit = (int) wParam;
3478 return 0;
3479 }
3480 case EM_GETLIMITTEXT:
3481 {
3482 return editor->nTextLimit;
3483 }
3484 case EM_FINDTEXT:
3485 {
3486 FINDTEXTA *ft = (FINDTEXTA *)lParam;
3487 int nChars = MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, NULL, 0);
3488 WCHAR *tmp;
3489 LRESULT r;
3490
3491 if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL)
3492 MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, tmp, nChars);
3493 r = ME_FindText(editor, wParam, &ft->chrg, tmp, NULL);
3494 FREE_OBJ( tmp );
3495 return r;
3496 }
3497 case EM_FINDTEXTEX:
3498 {
3499 FINDTEXTEXA *ex = (FINDTEXTEXA *)lParam;
3500 int nChars = MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, NULL, 0);
3501 WCHAR *tmp;
3502 LRESULT r;
3503
3504 if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL)
3505 MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, tmp, nChars);
3506 r = ME_FindText(editor, wParam, &ex->chrg, tmp, &ex->chrgText);
3507 FREE_OBJ( tmp );
3508 return r;
3509 }
3510 case EM_FINDTEXTW:
3511 {
3512 FINDTEXTW *ft = (FINDTEXTW *)lParam;
3513 return ME_FindText(editor, wParam, &ft->chrg, ft->lpstrText, NULL);
3514 }
3515 case EM_FINDTEXTEXW:
3516 {
3517 FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam;
3518 return ME_FindText(editor, wParam, &ex->chrg, ex->lpstrText, &ex->chrgText);
3519 }
3520 case EM_GETZOOM:
3521 if (!wParam || !lParam)
3522 return FALSE;
3523 *(int *)wParam = editor->nZoomNumerator;
3524 *(int *)lParam = editor->nZoomDenominator;
3525 return TRUE;
3526 case EM_SETZOOM:
3527 return ME_SetZoom(editor, wParam, lParam);
3528 case EM_CHARFROMPOS:
3529 return ME_CharFromPos(editor, ((POINTL *)lParam)->x, ((POINTL *)lParam)->y, NULL);
3530 case EM_POSFROMCHAR:
3531 {
3532 ME_DisplayItem *pRun;
3533 int nCharOfs, nOffset, nLength;
3534 POINTL pt = {0,0};
3535 SCROLLINFO si;
3536
3537 nCharOfs = wParam;
3538 /* detect which API version we're dealing with */
3539 if (wParam >= 0x40000)
3540 nCharOfs = lParam;
3541 nLength = ME_GetTextLength(editor);
3542 nCharOfs = min(nCharOfs, nLength);
3543 nCharOfs = max(nCharOfs, 0);
3544
3545 ME_RunOfsFromCharOfs(editor, nCharOfs, &pRun, &nOffset);
3546 assert(pRun->type == diRun);
3547 pt.y = pRun->member.run.pt.y;
3548 pt.x = pRun->member.run.pt.x + ME_PointFromChar(editor, &pRun->member.run, nOffset);
3549 pt.y += ME_GetParagraph(pRun)->member.para.pt.y;
3550 pt.x += editor->selofs;
3551 pt.x++; /* for some reason native offsets x by one */
3552
3553 pt.y -= editor->vert_si.nPos;
3554 si.cbSize = sizeof(si);
3555 si.fMask = SIF_POS;
3556 if (GetScrollInfo(editor->hWnd, SB_HORZ, &si)) pt.x -= si.nPos;
3557
3558 if (wParam >= 0x40000) {
3559 *(POINTL *)wParam = pt;
3560 }
3561 return (wParam >= 0x40000) ? 0 : MAKELONG( pt.x, pt.y );
3562 }
3563 case WM_CREATE:
3564 {
3565 SCROLLINFO si;
3566
3567 GetClientRect(hWnd, &editor->rcFormat);
3568 if (GetWindowLongW(hWnd, GWL_STYLE) & WS_HSCROLL)
3569 { /* Squelch the default horizontal scrollbar it would make */
3570 ShowScrollBar(editor->hWnd, SB_HORZ, FALSE);
3571 }
3572
3573 si.cbSize = sizeof(si);
3574 si.fMask = SIF_PAGE | SIF_RANGE;
3575 if (GetWindowLongW(hWnd, GWL_STYLE) & ES_DISABLENOSCROLL)
3576 si.fMask |= SIF_DISABLENOSCROLL;
3577 si.nMax = (si.fMask & SIF_DISABLENOSCROLL) ? 1 : 0;
3578 si.nMin = 0;
3579 si.nPage = 0;
3580 SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
3581
3582 ME_CommitUndo(editor);
3583 ME_WrapMarkedParagraphs(editor);
3584 ME_MoveCaret(editor);
3585 return 0;
3586 }
3587 case WM_DESTROY:
3588 ME_DestroyEditor(editor);
3589 SetWindowLongPtrW(hWnd, 0, 0);
3590 return 0;
3591 case WM_SETCURSOR:
3592 {
3593 return ME_SetCursor(editor);
3594 }
3595 case WM_LBUTTONDBLCLK:
3596 case WM_LBUTTONDOWN:
3597 {
3598 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3599 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3600 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3601 return 0;
3602 SetFocus(hWnd);
3603 ME_LButtonDown(editor, (short)LOWORD(lParam), (short)HIWORD(lParam),
3604 ME_CalculateClickCount(editor, msg, wParam, lParam));
3605 SetCapture(hWnd);
3606 ME_LinkNotify(editor,msg,wParam,lParam);
3607 if (!ME_SetCursor(editor)) goto do_default;
3608 break;
3609 }
3610 case WM_MOUSEMOVE:
3611 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3612 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3613 return 0;
3614 if (GetCapture() == hWnd)
3615 ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
3616 ME_LinkNotify(editor,msg,wParam,lParam);
3617 /* Set cursor if mouse is captured, since WM_SETCURSOR won't be received. */
3618 if (GetCapture() == hWnd)
3619 ME_SetCursor(editor);
3620 break;
3621 case WM_LBUTTONUP:
3622 if (GetCapture() == hWnd)
3623 ReleaseCapture();
3624 if (editor->nSelectionType == stDocument)
3625 editor->nSelectionType = stPosition;
3626 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3627 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3628 return 0;
3629 else
3630 {
3631 ME_SetCursor(editor);
3632 ME_LinkNotify(editor,msg,wParam,lParam);
3633 }
3634 break;
3635 case WM_RBUTTONUP:
3636 case WM_RBUTTONDOWN:
3637 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3638 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3639 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3640 return 0;
3641 goto do_default;
3642 case WM_CONTEXTMENU:
3643 if (!ME_ShowContextMenu(editor, (short)LOWORD(lParam), (short)HIWORD(lParam)))
3644 goto do_default;
3645 break;
3646 case WM_PAINT:
3647 {
3648 HDC hDC;
3649 PAINTSTRUCT ps;
3650
3651 hDC = BeginPaint(hWnd, &ps);
3652 ME_PaintContent(editor, hDC, FALSE, &ps.rcPaint);
3653 EndPaint(hWnd, &ps);
3654 }
3655 break;
3656 case WM_SETFOCUS:
3657 editor->bHaveFocus = TRUE;
3658 ME_ShowCaret(editor);
3659 ME_SendOldNotify(editor, EN_SETFOCUS);
3660 return 0;
3661 case WM_KILLFOCUS:
3662 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3663 editor->bHaveFocus = FALSE;
3664 ME_HideCaret(editor);
3665 ME_SendOldNotify(editor, EN_KILLFOCUS);
3666 return 0;
3667 case WM_ERASEBKGND:
3668 {
3669 HDC hDC = (HDC)wParam;
3670 RECT rc;
3671 if (GetUpdateRect(hWnd,&rc,TRUE))
3672 {
3673 FillRect(hDC, &rc, editor->hbrBackground);
3674 }
3675 return 1;
3676 }
3677 case WM_COMMAND:
3678 TRACE("editor wnd command = %d\n", LOWORD(wParam));
3679 return 0;
3680 case WM_KEYUP:
3681 if ((editor->nEventMask & ENM_KEYEVENTS) &&
3682 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3683 return 0;
3684 goto do_default;
3685 case WM_KEYDOWN:
3686 if ((editor->nEventMask & ENM_KEYEVENTS) &&
3687 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3688 return 0;
3689 if (ME_KeyDown(editor, LOWORD(wParam)))
3690 return 0;
3691 goto do_default;
3692 case WM_CHAR:
3693 {
3694 WCHAR wstr;
3695
3696 if (unicode)
3697 wstr = (WCHAR)wParam;
3698 else
3699 {
3700 CHAR charA = wParam;
3701 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &wstr, 1);
3702 }
3703
3704 if (GetWindowLongW(editor->hWnd, GWL_STYLE) & ES_READONLY) {
3705 MessageBeep(MB_ICONERROR);
3706 return 0; /* FIXME really 0 ? */
3707 }
3708
3709 if (((unsigned)wstr)>=' '
3710 || (wstr=='\r' && (GetWindowLongW(hWnd, GWL_STYLE) & ES_MULTILINE))
3711 || wstr=='\t') {
3712 ME_Cursor cursor = editor->pCursors[0];
3713 ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
3714 int from, to;
3715 BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
3716 ME_GetSelection(editor, &from, &to);
3717 if (wstr=='\t'
3718 /* v4.1 allows tabs to be inserted with ctrl key down */
3719 && !(ctrl_is_down && !editor->bEmulateVersion10)
3720 )
3721 {
3722 ME_DisplayItem *para;
3723 BOOL bSelectedRow = FALSE;
3724
3725 para = ME_GetParagraph(cursor.pRun);
3726 if (ME_IsSelection(editor) &&
3727 cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
3728 to == ME_GetCursorOfs(editor, 0) &&
3729 para->member.para.prev_para->type == diParagraph)
3730 {
3731 para = para->member.para.prev_para;
3732 bSelectedRow = TRUE;
3733 }
3734 if (ME_IsInTable(para))
3735 {
3736 ME_TabPressedInTable(editor, bSelectedRow);
3737 ME_CommitUndo(editor);
3738 return 0;
3739 }
3740 } else if (!editor->bEmulateVersion10) { /* v4.1 */
3741 if (para->member.para.nFlags & MEPF_ROWEND) {
3742 if (wstr=='\r') {
3743 /* Add a new table row after this row. */
3744 para = ME_AppendTableRow(editor, para);
3745 para = para->member.para.next_para;
3746 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
3747 editor->pCursors[0].nOffset = 0;
3748 editor->pCursors[1] = editor->pCursors[0];
3749 ME_CommitUndo(editor);
3750 ME_CheckTablesForCorruption(editor);
3751 ME_UpdateRepaint(editor);
3752 return 0;
3753 } else if (from == to) {
3754 para = para->member.para.next_para;
3755 if (para->member.para.nFlags & MEPF_ROWSTART)
3756 para = para->member.para.next_para;
3757 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
3758 editor->pCursors[0].nOffset = 0;
3759 editor->pCursors[1] = editor->pCursors[0];
3760 }
3761 }
3762 else if (para == ME_GetParagraph(editor->pCursors[1].pRun) &&
3763 cursor.nOffset + cursor.pRun->member.run.nCharOfs == 0 &&
3764 para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART &&
3765 !para->member.para.prev_para->member.para.nCharOfs)
3766 {
3767 /* Insert a newline before the table. */
3768 WCHAR endl = '\r';
3769 para = para->member.para.prev_para;
3770 para->member.para.nFlags &= ~MEPF_ROWSTART;
3771 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
3772 editor->pCursors[1] = editor->pCursors[0];
3773 ME_InsertTextFromCursor(editor, 0, &endl, 1,
3774 editor->pCursors[0].pRun->member.run.style);
3775 para = editor->pBuffer->pFirst->member.para.next_para;
3776 ME_SetDefaultParaFormat(para->member.para.pFmt);
3777 para->member.para.nFlags = MEPF_REWRAP;
3778 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
3779 editor->pCursors[1] = editor->pCursors[0];
3780 para->member.para.next_para->member.para.nFlags |= MEPF_ROWSTART;
3781 ME_CommitCoalescingUndo(editor);
3782 ME_CheckTablesForCorruption(editor);
3783 ME_UpdateRepaint(editor);
3784 return 0;
3785 }
3786 } else { /* v1.0 - 3.0 */
3787 ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
3788 if (ME_IsInTable(cursor.pRun))
3789 {
3790 if (cursor.pRun->member.run.nFlags & MERF_ENDPARA)
3791 {
3792 if (from == to) {
3793 if (wstr=='\r') {
3794 ME_ContinueCoalescingTransaction(editor);
3795 para = ME_AppendTableRow(editor, para);
3796 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
3797 editor->pCursors[0].nOffset = 0;
3798 editor->pCursors[1] = editor->pCursors[0];
3799 ME_CommitCoalescingUndo(editor);
3800 ME_UpdateRepaint(editor);
3801 } else {
3802 /* Text should not be inserted at the end of the table. */
3803 MessageBeep(-1);
3804 }
3805 return 0;
3806 }
3807 } else if (wstr == '\r') {
3808 ME_ContinueCoalescingTransaction(editor);
3809 if (cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
3810 !ME_IsInTable(para->member.para.prev_para))
3811 {
3812 /* Insert newline before table */
3813 WCHAR endl = '\r';
3814 cursor.pRun = ME_FindItemBack(para, diRun);
3815 if (cursor.pRun)
3816 editor->pCursors[0].pRun = cursor.pRun;
3817 editor->pCursors[0].nOffset = 0;
3818 editor->pCursors[1] = editor->pCursors[0];
3819 ME_InsertTextFromCursor(editor, 0, &endl, 1,
3820 editor->pCursors[0].pRun->member.run.style);
3821 } else {
3822 editor->pCursors[1] = editor->pCursors[0];
3823 para = ME_AppendTableRow(editor, para);
3824 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
3825 editor->pCursors[0].nOffset = 0;
3826 editor->pCursors[1] = editor->pCursors[0];
3827 }
3828 ME_CommitCoalescingUndo(editor);
3829 ME_UpdateRepaint(editor);
3830 return 0;
3831 }
3832 }
3833 }
3834 /* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */
3835 /* WM_CHAR is restricted to nTextLimit */
3836 if(editor->nTextLimit > ME_GetTextLength(editor) - (to-from))
3837 {
3838 ME_Style *style = ME_GetInsertStyle(editor, 0);
3839 ME_SaveTempStyle(editor);
3840 ME_ContinueCoalescingTransaction(editor);
3841 if (wstr == '\r' && (GetKeyState(VK_SHIFT) & 0x8000))
3842 ME_InsertEndRowFromCursor(editor, 0);
3843 else
3844 ME_InsertTextFromCursor(editor, 0, &wstr, 1, style);
3845 ME_ReleaseStyle(style);
3846 ME_CommitCoalescingUndo(editor);
3847 SetCursor(NULL);
3848 }
3849
3850 if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
3851
3852 ME_UpdateRepaint(editor);
3853 }
3854 return 0;
3855 }
3856 case WM_UNICHAR:
3857 if (unicode)
3858 {
3859 if(wParam == UNICODE_NOCHAR) return TRUE;
3860 if(wParam <= 0x000fffff)
3861 {
3862 if(wParam > 0xffff) /* convert to surrogates */
3863 {
3864 wParam -= 0x10000;
3865 SendMessageW(editor->hWnd, WM_CHAR, (wParam >> 10) + 0xd800, 0);
3866 SendMessageW(editor->hWnd, WM_CHAR, (wParam & 0x03ff) + 0xdc00, 0);
3867 }
3868 else SendMessageW(editor->hWnd, WM_CHAR, wParam, 0);
3869 }
3870 return 0;
3871 }
3872 break;
3873 case EM_STOPGROUPTYPING:
3874 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3875 return 0;
3876 case EM_SCROLL: /* fall through */
3877 case WM_VSCROLL:
3878 {
3879 int origNPos;
3880 int lineHeight;
3881
3882 origNPos = ME_GetYScrollPos(editor);
3883 lineHeight = 24;
3884
3885 if (editor && editor->pBuffer && editor->pBuffer->pDefaultStyle)
3886 lineHeight = editor->pBuffer->pDefaultStyle->tm.tmHeight;
3887 if (lineHeight <= 0) lineHeight = 24;
3888
3889 switch(LOWORD(wParam))
3890 {
3891 case SB_LINEUP:
3892 ME_ScrollUp(editor,lineHeight);
3893 break;
3894 case SB_LINEDOWN:
3895 ME_ScrollDown(editor,lineHeight);
3896 break;
3897 case SB_PAGEUP:
3898 ME_ScrollUp(editor,editor->sizeWindow.cy);
3899 break;
3900 case SB_PAGEDOWN:
3901 ME_ScrollDown(editor,editor->sizeWindow.cy);
3902 break;
3903 case SB_THUMBTRACK:
3904 case SB_THUMBPOSITION:
3905 ME_ScrollAbs(editor,HIWORD(wParam));
3906 break;
3907 }
3908 if (msg == EM_SCROLL)
3909 return 0x00010000 | (((ME_GetYScrollPos(editor) - origNPos)/lineHeight) & 0xffff);
3910 break;
3911 }
3912 case WM_MOUSEWHEEL:
3913 {
3914 int gcWheelDelta;
3915 UINT pulScrollLines;
3916
3917 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3918 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3919 return 0;
3920
3921 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
3922 gcWheelDelta = -GET_WHEEL_DELTA_WPARAM(wParam);
3923
3924 if (abs(gcWheelDelta) >= WHEEL_DELTA && pulScrollLines)
3925 {
3926 /* FIXME follow the original */
3927 ME_ScrollDown(editor,pulScrollLines * (gcWheelDelta / WHEEL_DELTA) * 8);
3928 }
3929 break;
3930 }
3931 case EM_GETRECT:
3932 {
3933 *((RECT *)lParam) = editor->rcFormat;
3934 return 0;
3935 }
3936 case EM_SETRECT:
3937 case EM_SETRECTNP:
3938 {
3939 if (lParam)
3940 {
3941 RECT *rc = (RECT *)lParam;
3942
3943 if (wParam)
3944 {
3945 editor->rcFormat.left += rc->left;
3946 editor->rcFormat.top += rc->top;
3947 editor->rcFormat.right += rc->right;
3948 editor->rcFormat.bottom += rc->bottom;
3949 }
3950 else
3951 {
3952 editor->rcFormat = *rc;
3953 }
3954 }
3955 else
3956 {
3957 GetClientRect(hWnd, &editor->rcFormat);
3958 }
3959 if (msg != EM_SETRECTNP)
3960 ME_RewrapRepaint(editor);
3961 return 0;
3962 }
3963 case EM_REQUESTRESIZE:
3964 ME_SendRequestResize(editor, TRUE);
3965 return 0;
3966 case WM_SETREDRAW:
3967 return DefWindowProcW(hWnd, msg, wParam, lParam);
3968 case WM_SIZE:
3969 {
3970 GetClientRect(hWnd, &editor->rcFormat);
3971 ME_RewrapRepaint(editor);
3972 return DefWindowProcW(hWnd, msg, wParam, lParam);
3973 }
3974 /* IME messages to make richedit controls IME aware */
3975 case WM_IME_SETCONTEXT:
3976 case WM_IME_CONTROL:
3977 case WM_IME_SELECT:
3978 case WM_IME_COMPOSITIONFULL:
3979 return 0;
3980 case WM_IME_STARTCOMPOSITION:
3981 {
3982 editor->imeStartIndex=ME_GetCursorOfs(editor,0);
3983 ME_DeleteSelection(editor);
3984 ME_CommitUndo(editor);
3985 ME_UpdateRepaint(editor);
3986 return 0;
3987 }
3988 case WM_IME_COMPOSITION:
3989 {
3990 HIMC hIMC;
3991
3992 ME_Style *style = ME_GetInsertStyle(editor, 0);
3993 hIMC = ImmGetContext(hWnd);
3994 ME_DeleteSelection(editor);
3995 ME_CommitUndo(editor);
3996 ME_SaveTempStyle(editor);
3997 if (lParam & GCS_RESULTSTR)
3998 {
3999 LPWSTR lpCompStr = NULL;
4000 DWORD dwBufLen;
4001
4002 dwBufLen = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
4003 lpCompStr = HeapAlloc(GetProcessHeap(),0,dwBufLen + sizeof(WCHAR));
4004 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, lpCompStr, dwBufLen);
4005 lpCompStr[dwBufLen/sizeof(WCHAR)] = 0;
4006 ME_InsertTextFromCursor(editor,0,lpCompStr,dwBufLen/sizeof(WCHAR),style);
4007 }
4008 else if (lParam & GCS_COMPSTR)
4009 {
4010 LPWSTR lpCompStr = NULL;
4011 DWORD dwBufLen;
4012
4013 dwBufLen = ImmGetCompositionStringW(hIMC, GCS_COMPSTR, NULL, 0);
4014 lpCompStr = HeapAlloc(GetProcessHeap(),0,dwBufLen + sizeof(WCHAR));
4015 ImmGetCompositionStringW(hIMC, GCS_COMPSTR, lpCompStr, dwBufLen);
4016 lpCompStr[dwBufLen/sizeof(WCHAR)] = 0;
4017
4018 ME_InsertTextFromCursor(editor,0,lpCompStr,dwBufLen/sizeof(WCHAR),style);
4019 ME_SetSelection(editor,editor->imeStartIndex,
4020 editor->imeStartIndex + dwBufLen/sizeof(WCHAR));
4021 }
4022 ME_ReleaseStyle(style);
4023 ME_UpdateRepaint(editor);
4024 return 0;
4025 }
4026 case WM_IME_ENDCOMPOSITION:
4027 {
4028 ME_DeleteSelection(editor);
4029 editor->imeStartIndex=-1;
4030 return 0;
4031 }
4032 case EM_GETOLEINTERFACE:
4033 {
4034 LPVOID *ppvObj = (LPVOID*) lParam;
4035 return CreateIRichEditOle(editor, ppvObj);
4036 }
4037 case EM_GETPASSWORDCHAR:
4038 {
4039 return editor->cPasswordMask;
4040 }
4041 case EM_SETOLECALLBACK:
4042 if(editor->lpOleCallback)
4043 IUnknown_Release(editor->lpOleCallback);
4044 editor->lpOleCallback = (LPRICHEDITOLECALLBACK)lParam;
4045 if(editor->lpOleCallback)
4046 IUnknown_AddRef(editor->lpOleCallback);
4047 return TRUE;
4048 case EM_GETWORDBREAKPROC:
4049 return (LRESULT)editor->pfnWordBreak;
4050 case EM_SETWORDBREAKPROC:
4051 {
4052 EDITWORDBREAKPROCW pfnOld = editor->pfnWordBreak;
4053
4054 editor->pfnWordBreak = (EDITWORDBREAKPROCW)lParam;
4055 return (LRESULT)pfnOld;
4056 }
4057 case EM_SETTEXTMODE:
4058 {
4059 LRESULT ret;
4060 int mask = 0;
4061 int changes = 0;
4062 ret = RichEditWndProc_common(hWnd, WM_GETTEXTLENGTH, 0, 0, unicode);
4063 if (!ret)
4064 {
4065 /*Check for valid wParam*/
4066 if ((((wParam & TM_RICHTEXT) && ((wParam & TM_PLAINTEXT) << 1))) ||
4067 (((wParam & TM_MULTILEVELUNDO) && ((wParam & TM_SINGLELEVELUNDO) << 1))) ||
4068 (((wParam & TM_MULTICODEPAGE) && ((wParam & TM_SINGLECODEPAGE) << 1))))
4069 return 1;
4070 else
4071 {
4072 if (wParam & (TM_RICHTEXT | TM_PLAINTEXT))
4073 {
4074 mask |= (TM_RICHTEXT | TM_PLAINTEXT);
4075 changes |= (wParam & (TM_RICHTEXT | TM_PLAINTEXT));
4076 }
4077 /*FIXME: Currently no support for undo level and code page options*/
4078 editor->mode = (editor->mode & (~mask)) | changes;
4079 return 0;
4080 }
4081 }
4082 return ret;
4083 }
4084 case EM_SETPASSWORDCHAR:
4085 {
4086 editor->cPasswordMask = wParam;
4087 ME_RewrapRepaint(editor);
4088 return 0;
4089 }
4090 case EM_SETTARGETDEVICE:
4091 if (wParam == 0)
4092 {
4093 BOOL new = (lParam == 0);
4094 if (editor->bWordWrap != new)
4095 {
4096 editor->bWordWrap = new;
4097 ME_RewrapRepaint(editor);
4098 }
4099 }
4100 else FIXME("Unsupported yet non NULL device in EM_SETTARGETDEVICE\n");
4101 break;
4102 default:
4103 do_default:
4104 return DefWindowProcW(hWnd, msg, wParam, lParam);
4105 }
4106 return 0L;
4107 }
4108
4109 static LRESULT WINAPI RichEditWndProcW(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4110 {
4111 BOOL unicode = TRUE;
4112
4113 /* Under Win9x RichEdit20W returns ANSI strings, see the tests. */
4114 if (msg == WM_GETTEXT && (GetVersion() & 0x80000000))
4115 unicode = FALSE;
4116
4117 return RichEditWndProc_common(hWnd, msg, wParam, lParam, unicode);
4118 }
4119
4120 static LRESULT WINAPI RichEditWndProcA(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4121 {
4122 return RichEditWndProc_common(hWnd, msg, wParam, lParam, FALSE);
4123 }
4124
4125 /******************************************************************
4126 * RichEditANSIWndProc (RICHED20.10)
4127 */
4128 LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4129 {
4130 return RichEditWndProcA(hWnd, msg, wParam, lParam);
4131 }
4132
4133 /******************************************************************
4134 * RichEdit10ANSIWndProc (RICHED20.9)
4135 */
4136 LRESULT WINAPI RichEdit10ANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4137 {
4138 LRESULT result;
4139
4140 /* FIXME: this is NOT the same as 2.0 version */
4141 result = RichEditANSIWndProc(hWnd, msg, wParam, lParam);
4142 if (msg == WM_NCCREATE)
4143 {
4144 ME_TextEditor *editor = (ME_TextEditor *)GetWindowLongPtrW(hWnd, 0);
4145
4146 TRACE("Emulating version 1.0 (hWnd=%p)\n", hWnd);
4147 editor->bEmulateVersion10 = TRUE;
4148 editor->bWordWrap = (GetWindowLongW(hWnd, GWL_STYLE) & ES_AUTOHSCROLL) ? FALSE : TRUE;
4149 editor->pBuffer->pLast->member.para.nCharOfs = 2;
4150 assert(editor->pBuffer->pLast->prev->type == diRun);
4151 assert(editor->pBuffer->pLast->prev->member.run.nFlags & MERF_ENDPARA);
4152 editor->pBuffer->pLast->prev->member.run.nLF = 1;
4153 }
4154 return result;
4155 }
4156
4157 void ME_SendOldNotify(ME_TextEditor *editor, int nCode)
4158 {
4159 HWND hWnd = editor->hWnd;
4160 SendMessageA(GetParent(hWnd), WM_COMMAND, (nCode<<16)|GetWindowLongW(hWnd, GWLP_ID), (LPARAM)hWnd);
4161 }
4162
4163 void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam)
4164 {
4165 int x,y;
4166 ME_Cursor tmpCursor;
4167 BOOL isExact;
4168 int nCharOfs; /* The start of the clicked text. Absolute character offset */
4169
4170 ME_Run *tmpRun;
4171
4172 ENLINK info;
4173 x = (short)LOWORD(lParam);
4174 y = (short)HIWORD(lParam);
4175 nCharOfs = ME_CharFromPos(editor, x, y, &isExact);
4176 if (!isExact) return;
4177
4178 ME_CursorFromCharOfs(editor, nCharOfs, &tmpCursor);
4179 tmpRun = &tmpCursor.pRun->member.run;
4180
4181 if ((tmpRun->style->fmt.dwMask & CFM_LINK)
4182 && (tmpRun->style->fmt.dwEffects & CFE_LINK))
4183 { /* The clicked run has CFE_LINK set */
4184 info.nmhdr.hwndFrom = editor->hWnd;
4185 info.nmhdr.idFrom = GetWindowLongW(editor->hWnd, GWLP_ID);
4186 info.nmhdr.code = EN_LINK;
4187 info.msg = msg;
4188 info.wParam = wParam;
4189 info.lParam = lParam;
4190 info.chrg.cpMin = ME_CharOfsFromRunOfs(editor,tmpCursor.pRun,0);
4191 info.chrg.cpMax = info.chrg.cpMin + ME_StrVLen(tmpRun->strText);
4192 SendMessageW(GetParent(editor->hWnd), WM_NOTIFY,info.nmhdr.idFrom, (LPARAM)&info);
4193 }
4194 }
4195
4196 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to)
4197 {
4198 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
4199 int i = 0;
4200
4201 while(item && item->member.para.next_para->member.para.nCharOfs <= from)
4202 item = item->member.para.next_para;
4203 if (!item)
4204 return 0;
4205 while(item && item->member.para.next_para->member.para.nCharOfs <= to) {
4206 item = item->member.para.next_para;
4207 i++;
4208 }
4209 return i;
4210 }
4211
4212
4213 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart, int nChars, int bCRLF)
4214 {
4215 ME_DisplayItem *item = ME_FindItemAtOffset(editor, diRun, nStart, &nStart);
4216 int nWritten = 0;
4217 WCHAR *pStart = buffer;
4218
4219 if (!item) {
4220 *buffer = 0;
4221 return 0;
4222 }
4223
4224 /* bCRLF flag is only honored in 2.0 and up. 1.0 must always return text verbatim */
4225 if (editor->bEmulateVersion10) bCRLF = 0;
4226
4227 if (nStart)
4228 {
4229 int nLen = ME_StrLen(item->member.run.strText) - nStart;
4230 if (nLen > nChars)
4231 nLen = nChars;
4232 CopyMemory(buffer, item->member.run.strText->szData + nStart, sizeof(WCHAR)*nLen);
4233 nChars -= nLen;
4234 nWritten += nLen;
4235 buffer += nLen;
4236 if (!nChars) {
4237 *buffer = 0;
4238 return nWritten;
4239 }
4240 nStart = 0;
4241 item = ME_FindItemFwd(item, diRun);
4242 }
4243
4244 while(nChars && item)
4245 {
4246 int nLen = ME_StrLen(item->member.run.strText);
4247 if (item->member.run.nFlags & MERF_ENDPARA)
4248 nLen = item->member.run.nCR + item->member.run.nLF;
4249 if (nLen > nChars)
4250 nLen = nChars;
4251
4252 if (item->member.run.nFlags & MERF_ENDCELL &&
4253 item->member.run.nFlags & MERF_ENDPARA)
4254 {
4255 *buffer = '\t';
4256 }
4257 else if (item->member.run.nFlags & MERF_ENDPARA)
4258 {
4259 if (!ME_FindItemFwd(item, diRun))
4260 /* No '\r' is appended to the last paragraph. */
4261 nLen = 0;
4262 else if (bCRLF && nChars == 1) {
4263 nLen = 0;
4264 nChars = 0;
4265 } else {
4266 if (bCRLF)
4267 {
4268 /* richedit 2.0 case - actual line-break is \r but should report \r\n */
4269 if (ME_GetParagraph(item)->member.para.nFlags & (MEPF_ROWSTART|MEPF_ROWEND))
4270 assert(nLen == 2);
4271 else
4272 assert(nLen == 1);
4273 *buffer++ = '\r';
4274 *buffer = '\n'; /* Later updated by nLen==1 at the end of the loop */
4275 if (nLen == 1)
4276 nWritten++;
4277 else
4278 buffer--;
4279 }
4280 else
4281 {
4282 int i, j;
4283
4284 /* richedit 2.0 verbatim has only \r. richedit 1.0 should honor encodings */
4285 i = 0;
4286 while (nChars - i > 0 && i < item->member.run.nCR)
4287 {
4288 buffer[i] = '\r'; i++;
4289 }
4290 j = 0;
4291 while (nChars - i - j > 0 && j < item->member.run.nLF)
4292 {
4293 buffer[i+j] = '\n'; j++;
4294 }
4295 }
4296 }
4297 }
4298 else
4299 CopyMemory(buffer, item->member.run.strText->szData, sizeof(WCHAR)*nLen);
4300 nChars -= nLen;
4301 nWritten += nLen;
4302 buffer += nLen;
4303
4304 if (!nChars)
4305 {
4306 TRACE("nWritten=%d, actual=%d\n", nWritten, buffer-pStart);
4307 *buffer = 0;
4308 return nWritten;
4309 }
4310 item = ME_FindItemFwd(item, diRun);
4311 }
4312 *buffer = 0;
4313 TRACE("nWritten=%d, actual=%d\n", nWritten, buffer-pStart);
4314 return nWritten;
4315 }
4316
4317 static BOOL ME_RegisterEditorClass(HINSTANCE hInstance)
4318 {
4319 WNDCLASSW wcW;
4320 WNDCLASSA wcA;
4321
4322 wcW.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
4323 wcW.lpfnWndProc = RichEditWndProcW;
4324 wcW.cbClsExtra = 0;
4325 wcW.cbWndExtra = sizeof(ME_TextEditor *);
4326 wcW.hInstance = NULL; /* hInstance would register DLL-local class */
4327 wcW.hIcon = NULL;
4328 wcW.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
4329 wcW.hbrBackground = GetStockObject(NULL_BRUSH);
4330 wcW.lpszMenuName = NULL;
4331
4332 if (is_version_nt())
4333 {
4334 wcW.lpszClassName = RichEdit20W;
4335 if (!RegisterClassW(&wcW)) return FALSE;
4336 wcW.lpszClassName = RichEdit50W;
4337 if (!RegisterClassW(&wcW)) return FALSE;
4338 }
4339 else
4340 {
4341 /* WNDCLASSA/W have the same layout */
4342 wcW.lpszClassName = (LPCWSTR)"RichEdit20W";
4343 if (!RegisterClassA((WNDCLASSA *)&wcW)) return FALSE;
4344 wcW.lpszClassName = (LPCWSTR)"RichEdit50W";
4345 if (!RegisterClassA((WNDCLASSA *)&wcW)) return FALSE;
4346 }
4347
4348 wcA.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
4349 wcA.lpfnWndProc = RichEditWndProcA;
4350 wcA.cbClsExtra = 0;
4351 wcA.cbWndExtra = sizeof(ME_TextEditor *);
4352 wcA.hInstance = NULL; /* hInstance would register DLL-local class */
4353 wcA.hIcon = NULL;
4354 wcA.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
4355 wcA.hbrBackground = GetStockObject(NULL_BRUSH);
4356 wcA.lpszMenuName = NULL;
4357 wcA.lpszClassName = "RichEdit20A";
4358 if (!RegisterClassA(&wcA)) return FALSE;
4359 wcA.lpszClassName = "RichEdit50A";
4360 if (!RegisterClassA(&wcA)) return FALSE;
4361
4362 return TRUE;
4363 }
4364
4365 LRESULT WINAPI REComboWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
4366 /* FIXME: Not implemented */
4367 TRACE("hWnd %p msg %04x (%s) %08lx %08lx\n",
4368 hWnd, msg, get_msg_name(msg), wParam, lParam);
4369 return DefWindowProcW(hWnd, msg, wParam, lParam);
4370 }
4371
4372 LRESULT WINAPI REListWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
4373 /* FIXME: Not implemented */
4374 TRACE("hWnd %p msg %04x (%s) %08lx %08lx\n",
4375 hWnd, msg, get_msg_name(msg), wParam, lParam);
4376 return DefWindowProcW(hWnd, msg, wParam, lParam);
4377 }
4378
4379 /******************************************************************
4380 * REExtendedRegisterClass (RICHED20.8)
4381 *
4382 * FIXME undocumented
4383 * Need to check for errors and implement controls and callbacks
4384 */
4385 LRESULT WINAPI REExtendedRegisterClass(void)
4386 {
4387 WNDCLASSW wcW;
4388 UINT result;
4389
4390 FIXME("semi stub\n");
4391
4392 wcW.cbClsExtra = 0;
4393 wcW.cbWndExtra = 4;
4394 wcW.hInstance = NULL;
4395 wcW.hIcon = NULL;
4396 wcW.hCursor = NULL;
4397 wcW.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
4398 wcW.lpszMenuName = NULL;
4399
4400 if (!ME_ListBoxRegistered)
4401 {
4402 wcW.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS;
4403 wcW.lpfnWndProc = REListWndProc;
4404 wcW.lpszClassName = REListBox20W;
4405 if (RegisterClassW(&wcW)) ME_ListBoxRegistered = TRUE;
4406 }
4407
4408 if (!ME_ComboBoxRegistered)
4409 {
4410 wcW.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
4411 wcW.lpfnWndProc = REComboWndProc;
4412 wcW.lpszClassName = REComboBox20W;
4413 if (RegisterClassW(&wcW)) ME_ComboBoxRegistered = TRUE;
4414 }
4415
4416 result = 0;
4417 if (ME_ListBoxRegistered)
4418 result += 1;
4419 if (ME_ComboBoxRegistered)
4420 result += 2;
4421
4422 return result;
4423 }
4424
4425 static BOOL isurlspecial(WCHAR c)
4426 {
4427 static const WCHAR special_chars[] = {'.','/','%','@','*','|','\\','+','#',0};
4428 return strchrW( special_chars, c ) != NULL;
4429 }
4430
4431 /**
4432 * This proc takes a selection, and scans it forward in order to select the span
4433 * of a possible URL candidate. A possible URL candidate must start with isalnum
4434 * or one of the following special characters: *|/\+%#@ and must consist entirely
4435 * of the characters allowed to start the URL, plus : (colon) which may occur
4436 * at most once, and not at either end.
4437 *
4438 * sel_max == -1 indicates scan to end of text.
4439 */
4440 BOOL ME_FindNextURLCandidate(ME_TextEditor *editor, int sel_min, int sel_max,
4441 int * candidate_min, int * candidate_max)
4442 {
4443 ME_DisplayItem * item;
4444 ME_DisplayItem * para;
4445 int nStart;
4446 BOOL foundColon = FALSE;
4447 WCHAR lastAcceptedChar = '\0';
4448
4449 TRACE("sel_min = %d sel_max = %d\n", sel_min, sel_max);
4450
4451 *candidate_min = *candidate_max = -1;
4452 item = ME_FindItemAtOffset(editor, diRun, sel_min, &nStart);
4453 if (!item) return FALSE;
4454 TRACE("nStart = %d\n", nStart);
4455 para = ME_GetParagraph(item);
4456 if (sel_max == -1) sel_max = ME_GetTextLength(editor);
4457 while (item && para->member.para.nCharOfs + item->member.run.nCharOfs + nStart < sel_max)
4458 {
4459 ME_DisplayItem * next_item;
4460
4461 if (!(item->member.run.nFlags & MERF_ENDPARA)) {
4462 /* Find start of candidate */
4463 if (*candidate_min == -1) {
4464 while (nStart < ME_StrLen(item->member.run.strText) &&
4465 !(isalnumW(item->member.run.strText->szData[nStart]) ||
4466 isurlspecial(item->member.run.strText->szData[nStart]))) {
4467 nStart++;
4468 }
4469 if (nStart < ME_StrLen(item->member.run.strText) &&
4470 (isalnumW(item->member.run.strText->szData[nStart]) ||
4471 isurlspecial(item->member.run.strText->szData[nStart]))) {
4472 *candidate_min = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4473 lastAcceptedChar = item->member.run.strText->szData[nStart];
4474 nStart++;
4475 }
4476 }
4477
4478 /* Find end of candidate */
4479 if (*candidate_min >= 0) {
4480 while (nStart < ME_StrLen(item->member.run.strText) &&
4481 (isalnumW(item->member.run.strText->szData[nStart]) ||
4482 isurlspecial(item->member.run.strText->szData[nStart]) ||
4483 (!foundColon && item->member.run.strText->szData[nStart] == ':') )) {
4484 if (item->member.run.strText->szData[nStart] == ':') foundColon = TRUE;
4485 lastAcceptedChar = item->member.run.strText->szData[nStart];
4486 nStart++;
4487 }
4488 if (nStart < ME_StrLen(item->member.run.strText) &&
4489 !(isalnumW(item->member.run.strText->szData[nStart]) ||
4490 isurlspecial(item->member.run.strText->szData[nStart]) )) {
4491 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4492 nStart++;
4493 if (lastAcceptedChar == ':') (*candidate_max)--;
4494 return TRUE;
4495 }
4496 }
4497 } else {
4498 /* End of paragraph: skip it if before candidate span, or terminates
4499 current active span */
4500 if (*candidate_min >= 0) {
4501 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs;
4502 if (lastAcceptedChar == ':') (*candidate_max)--;
4503 return TRUE;
4504 }
4505 }
4506
4507 /* Reaching this point means no span was found, so get next span */
4508 next_item = ME_FindItemFwd(item, diRun);
4509 if (!next_item) {
4510 if (*candidate_min >= 0) {
4511 /* There are no further runs, so take end of text as end of candidate */
4512 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4513 if (lastAcceptedChar == ':') (*candidate_max)--;
4514 return TRUE;
4515 }
4516 }
4517 item = next_item;
4518 para = ME_GetParagraph(item);
4519 nStart = 0;
4520 }
4521
4522 if (item) {
4523 if (*candidate_min >= 0) {
4524 /* There are no further runs, so take end of text as end of candidate */
4525 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4526 if (lastAcceptedChar == ':') (*candidate_max)--;
4527 return TRUE;
4528 }
4529 }
4530 return FALSE;
4531 }
4532
4533 /**
4534 * This proc evaluates the selection and returns TRUE if it can be considered an URL
4535 */
4536 BOOL ME_IsCandidateAnURL(ME_TextEditor *editor, int sel_min, int sel_max)
4537 {
4538 struct prefix_s {
4539 const char *text;
4540 int length;
4541 } prefixes[12] = {
4542 /* Code below depends on these being in decreasing length order! */
4543 {"prospero:", 10},
4544 {"telnet:", 8},
4545 {"gopher:", 8},
4546 {"mailto:", 8},
4547 {"https:", 7},
4548 {"file:", 6},
4549 {"news:", 6},
4550 {"wais:", 6},
4551 {"nntp:", 6},
4552 {"http:", 5},
4553 {"www.", 5},
4554 {"ftp:", 5},
4555 };
4556 LPWSTR bufferW = NULL;
4557 WCHAR bufW[32];
4558 unsigned int i;
4559
4560 if (sel_max == -1) sel_max = ME_GetTextLength(editor);
4561 assert(sel_min <= sel_max);
4562 for (i = 0; i < sizeof(prefixes) / sizeof(struct prefix_s); i++)
4563 {
4564 if (sel_max - sel_min < prefixes[i].length) continue;
4565 if (bufferW == NULL) {
4566 bufferW = heap_alloc((sel_max - sel_min + 1) * sizeof(WCHAR));
4567 }
4568 ME_GetTextW(editor, bufferW, sel_min, min(sel_max - sel_min, lstrlenA(prefixes[i].text)), 0);
4569 MultiByteToWideChar(CP_ACP, 0, prefixes[i].text, -1, bufW, 32);
4570 if (!lstrcmpW(bufW, bufferW))
4571 {
4572 heap_free(bufferW);
4573 return TRUE;
4574 }
4575 }
4576 heap_free(bufferW);
4577 return FALSE;
4578 }
4579
4580 /**
4581 * This proc walks through the indicated selection and evaluates whether each
4582 * section identified by ME_FindNextURLCandidate and in-between sections have
4583 * their proper CFE_LINK attributes set or unset. If the CFE_LINK attribute is
4584 * not what it is supposed to be, this proc sets or unsets it as appropriate.
4585 *
4586 * Returns TRUE if at least one section was modified.
4587 */
4588 BOOL ME_UpdateLinkAttribute(ME_TextEditor *editor, int sel_min, int sel_max)
4589 {
4590 BOOL modified = FALSE;
4591 int cMin, cMax;
4592
4593 if (sel_max == -1) sel_max = ME_GetTextLength(editor);
4594 do
4595 {
4596 int beforeURL[2];
4597 int inURL[2];
4598 CHARFORMAT2W link;
4599
4600 if (ME_FindNextURLCandidate(editor, sel_min, sel_max, &cMin, &cMax))
4601 {
4602 /* Section before candidate is not an URL */
4603 beforeURL[0] = sel_min;
4604 beforeURL[1] = cMin;
4605
4606 if (ME_IsCandidateAnURL(editor, cMin, cMax))
4607 {
4608 inURL[0] = cMin; inURL[1] = cMax;
4609 }
4610 else
4611 {
4612 beforeURL[1] = cMax;
4613 inURL[0] = inURL[1] = -1;
4614 }
4615 sel_min = cMax;
4616 }
4617 else
4618 {
4619 /* No more candidates until end of selection */
4620 beforeURL[0] = sel_min;
4621 beforeURL[1] = sel_max;
4622 inURL[0] = inURL[1] = -1;
4623 sel_min = sel_max;
4624 }
4625
4626 if (beforeURL[0] < beforeURL[1])
4627 {
4628 /* CFE_LINK effect should be consistently unset */
4629 link.cbSize = sizeof(link);
4630 ME_GetCharFormat(editor, beforeURL[0], beforeURL[1], &link);
4631 if (!(link.dwMask & CFM_LINK) || (link.dwEffects & CFE_LINK))
4632 {
4633 /* CFE_LINK must be unset from this range */
4634 memset(&link, 0, sizeof(CHARFORMAT2W));
4635 link.cbSize = sizeof(link);
4636 link.dwMask = CFM_LINK;
4637 link.dwEffects = 0;
4638 ME_SetCharFormat(editor, beforeURL[0], beforeURL[1] - beforeURL[0], &link);
4639 modified = TRUE;
4640 }
4641 }
4642 if (inURL[0] < inURL[1])
4643 {
4644 /* CFE_LINK effect should be consistently set */
4645 link.cbSize = sizeof(link);
4646 ME_GetCharFormat(editor, inURL[0], inURL[1], &link);
4647 if (!(link.dwMask & CFM_LINK) || !(link.dwEffects & CFE_LINK))
4648 {
4649 /* CFE_LINK must be set on this range */
4650 memset(&link, 0, sizeof(CHARFORMAT2W));
4651 link.cbSize = sizeof(link);
4652 link.dwMask = CFM_LINK;
4653 link.dwEffects = CFE_LINK;
4654 ME_SetCharFormat(editor, inURL[0], inURL[1] - inURL[0], &link);
4655 modified = TRUE;
4656 }
4657 }
4658 } while (sel_min < sel_max);
4659 return modified;
4660 }
4661
4662 void ME_UpdateSelectionLinkAttribute(ME_TextEditor *editor)
4663 {
4664 ME_DisplayItem * startPara, * endPara;
4665 ME_DisplayItem * item;
4666 int dummy;
4667 int from, to;
4668
4669 ME_GetSelection(editor, &from, &to);
4670 if (from > to) from ^= to, to ^=from, from ^= to;
4671 startPara = NULL; endPara = NULL;
4672
4673 /* Find paragraph previous to the one that contains start cursor */
4674 item = ME_FindItemAtOffset(editor, diRun, from, &dummy);
4675 if (item) {
4676 startPara = ME_FindItemBack(item, diParagraph);
4677 item = ME_FindItemBack(startPara, diParagraph);
4678 if (item) startPara = item;
4679 }
4680
4681 /* Find paragraph that contains end cursor */
4682 item = ME_FindItemAtOffset(editor, diRun, to, &dummy);
4683 if (item) {
4684 endPara = ME_FindItemFwd(item, diParagraph);
4685 }
4686
4687 if (startPara && endPara) {
4688 ME_UpdateLinkAttribute(editor,
4689 startPara->member.para.nCharOfs,
4690 endPara->member.para.nCharOfs);
4691 } else if (startPara) {
4692 ME_UpdateLinkAttribute(editor,
4693 startPara->member.para.nCharOfs,
4694 -1);
4695 }
4696 }
Windows API implementation