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push d1f5df181c120dbe494f7c89b454752c2e0dcc04
[wine/hacks.git] / dlls / riched20 / editor.c
blobca1eb9704ca5963bf62d5874fa964f9815bf856b
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
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_HSCROLL
141 + WM_PASTE
142 + WM_SETFONT
143 + WM_SETTEXT (resets undo stack !) (proper style?) ANSI&Unicode
144 - WM_STYLECHANGING
145 - WM_STYLECHANGED (things like read-only flag)
146 + WM_UNICHAR
147 + WM_VSCROLL
148
149 Notifications
150
151 * EN_CHANGE (sent from the wrong place)
152 - EN_CORRECTTEXT
153 - EN_DROPFILES
154 - EN_ERRSPACE
155 - EN_HSCROLL
156 - EN_IMECHANGE
157 + EN_KILLFOCUS
158 - EN_LINK
159 - EN_MAXTEXT
160 - EN_MSGFILTER
161 - EN_OLEOPFAILED
162 - EN_PROTECTED
163 + EN_REQUESTRESIZE
164 - EN_SAVECLIPBOARD
165 + EN_SELCHANGE
166 + EN_SETFOCUS
167 - EN_STOPNOUNDO
168 * EN_UPDATE (sent from the wrong place)
169 - EN_VSCROLL
170
171 Styles
172
173 - ES_AUTOHSCROLL
174 - ES_AUTOVSCROLL
175 - ES_CENTER
176 + ES_DISABLENOSCROLL (scrollbar is always visible)
177 - ES_EX_NOCALLOLEINIT
178 - ES_LEFT
179 - ES_MULTILINE (currently single line controls aren't supported)
180 - ES_NOIME
181 - ES_READONLY (I'm not sure if beeping is the proper behaviour)
182 - ES_RIGHT
183 - ES_SAVESEL
184 - ES_SELFIME
185 - ES_SUNKEN
186 - ES_VERTICAL
187 - ES_WANTRETURN (don't know how to do WM_GETDLGCODE part)
188 - WS_SETFONT
189 + WS_HSCROLL
190 + WS_VSCROLL
191 */
192
193 /*
194 * RICHED20 TODO (incomplete):
195 *
196 * - messages/styles/notifications listed above
197 * - add remaining CHARFORMAT/PARAFORMAT fields
198 * - right/center align should strip spaces from the beginning
199 * - pictures/OLE objects (not just smiling faces that lack API support ;-) )
200 * - COM interface (looks like a major pain in the TODO list)
201 * - calculate heights of pictures (half-done)
202 * - hysteresis during wrapping (related to scrollbars appearing/disappearing)
203 * - find/replace
204 * - how to implement EM_FORMATRANGE and EM_DISPLAYBAND ? (Mission Impossible)
205 * - italic caret with italic fonts
206 * - IME
207 * - most notifications aren't sent at all (the most important ones are)
208 * - when should EN_SELCHANGE be sent after text change ? (before/after EN_UPDATE?)
209 * - WM_SETTEXT may use wrong style (but I'm 80% sure it's OK)
210 * - EM_GETCHARFORMAT with SCF_SELECTION may not behave 100% like in original (but very close)
211 * - full justification
212 * - hyphenation
213 * - tables
214 * - ListBox & ComboBox not implemented
215 *
216 * Bugs that are probably fixed, but not so easy to verify:
217 * - EN_UPDATE/EN_CHANGE are handled very incorrectly (should be OK now)
218 * - undo for ME_JoinParagraphs doesn't store paragraph format ? (it does)
219 * - check/fix artificial EOL logic (bCursorAtEnd, hardly logical)
220 * - caret shouldn't be displayed when selection isn't empty
221 * - check refcounting in style management functions (looks perfect now, but no bugs is suspicious)
222 * - undo for setting default format (done, might be buggy)
223 * - styles might be not released properly (looks like they work like charm, but who knows?
224 *
225 */
226
227 #include "editor.h"
228 #include "commdlg.h"
229 #include "winreg.h"
230 #define NO_SHLWAPI_STREAM
231 #include "shlwapi.h"
232 #include "rtf.h"
233 #include "imm.h"
234 #include "res.h"
235
236 #define STACK_SIZE_DEFAULT 100
237 #define STACK_SIZE_MAX 1000
238
239 #define TEXT_LIMIT_DEFAULT 32767
240
241 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
242
243 static BOOL ME_RegisterEditorClass(HINSTANCE);
244 static BOOL ME_UpdateLinkAttribute(ME_TextEditor *editor, int sel_min, int sel_max);
245
246 static const WCHAR RichEdit20W[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '2', '0', 'W', 0};
247 static const WCHAR RichEdit50W[] = {'R', 'i', 'c', 'h', 'E', 'd', 'i', 't', '5', '0', 'W', 0};
248 static const WCHAR REListBox20W[] = {'R','E','L','i','s','t','B','o','x','2','0','W', 0};
249 static const WCHAR REComboBox20W[] = {'R','E','C','o','m','b','o','B','o','x','2','0','W', 0};
250 static HCURSOR hLeft;
251
252 int me_debug = 0;
253 HANDLE me_heap = NULL;
254
255 static BOOL ME_ListBoxRegistered = FALSE;
256 static BOOL ME_ComboBoxRegistered = FALSE;
257
258 static inline int is_version_nt(void)
259 {
260 return !(GetVersion() & 0x80000000);
261 }
262
263 static ME_TextBuffer *ME_MakeText(void) {
264
265 ME_TextBuffer *buf = ALLOC_OBJ(ME_TextBuffer);
266
267 ME_DisplayItem *p1 = ME_MakeDI(diTextStart);
268 ME_DisplayItem *p2 = ME_MakeDI(diTextEnd);
269
270 p1->prev = NULL;
271 p1->next = p2;
272 p2->prev = p1;
273 p2->next = NULL;
274 p1->member.para.next_para = p2;
275 p2->member.para.prev_para = p1;
276 p2->member.para.nCharOfs = 0;
277
278 buf->pFirst = p1;
279 buf->pLast = p2;
280 buf->pCharStyle = NULL;
281
282 return buf;
283 }
284
285
286 static LRESULT ME_StreamInText(ME_TextEditor *editor, DWORD dwFormat, ME_InStream *stream, ME_Style *style)
287 {
288 WCHAR wszText[STREAMIN_BUFFER_SIZE+1];
289 WCHAR *pText;
290
291 TRACE("%08x %p\n", dwFormat, stream);
292
293 do {
294 long nWideChars = 0;
295
296 if (!stream->dwSize)
297 {
298 ME_StreamInFill(stream);
299 if (stream->editstream->dwError)
300 break;
301 if (!stream->dwSize)
302 break;
303 }
304
305 if (!(dwFormat & SF_UNICODE))
306 {
307 /* FIXME? this is doomed to fail on true MBCS like UTF-8, luckily they're unlikely to be used as CP_ACP */
308 nWideChars = MultiByteToWideChar(CP_ACP, 0, stream->buffer, stream->dwSize, wszText, STREAMIN_BUFFER_SIZE);
309 pText = wszText;
310 }
311 else
312 {
313 nWideChars = stream->dwSize >> 1;
314 pText = (WCHAR *)stream->buffer;
315 }
316
317 ME_InsertTextFromCursor(editor, 0, pText, nWideChars, style);
318 if (stream->dwSize == 0)
319 break;
320 stream->dwSize = 0;
321 } while(1);
322 ME_CommitUndo(editor);
323 ME_UpdateRepaint(editor);
324 return 0;
325 }
326
327 static void ME_ApplyBorderProperties(RTF_Info *info,
328 ME_BorderRect *borderRect,
329 RTFBorder *borderDef)
330 {
331 int i, colorNum;
332 ME_Border *pBorders[] = {&borderRect->top,
333 &borderRect->left,
334 &borderRect->bottom,
335 &borderRect->right};
336 for (i = 0; i < 4; i++)
337 {
338 RTFColor *colorDef = info->colorList;
339 pBorders[i]->width = borderDef[i].width;
340 colorNum = borderDef[i].color;
341 while (colorDef && colorDef->rtfCNum != colorNum)
342 colorDef = colorDef->rtfNextColor;
343 if (colorDef)
344 pBorders[i]->colorRef = RGB(
345 colorDef->rtfCRed >= 0 ? colorDef->rtfCRed : 0,
346 colorDef->rtfCGreen >= 0 ? colorDef->rtfCGreen : 0,
347 colorDef->rtfCBlue >= 0 ? colorDef->rtfCBlue : 0);
348 else
349 pBorders[i]->colorRef = RGB(0, 0, 0);
350 }
351 }
352
353 void ME_RTFCharAttrHook(RTF_Info *info)
354 {
355 CHARFORMAT2W fmt;
356 fmt.cbSize = sizeof(fmt);
357 fmt.dwMask = 0;
358 fmt.dwEffects = 0;
359
360 switch(info->rtfMinor)
361 {
362 case rtfPlain:
363 /* FIXME add more flags once they're implemented */
364 fmt.dwMask = CFM_BOLD | CFM_ITALIC | CFM_UNDERLINETYPE | CFM_STRIKEOUT | CFM_COLOR | CFM_BACKCOLOR | CFM_SIZE | CFM_WEIGHT;
365 fmt.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
366 fmt.yHeight = 12*20; /* 12pt */
367 fmt.wWeight = FW_NORMAL;
368 fmt.bUnderlineType = CFU_UNDERLINENONE;
369 break;
370 case rtfBold:
371 fmt.dwMask = CFM_BOLD | CFM_WEIGHT;
372 fmt.dwEffects = info->rtfParam ? CFE_BOLD : 0;
373 fmt.wWeight = info->rtfParam ? FW_BOLD : FW_NORMAL;
374 break;
375 case rtfItalic:
376 fmt.dwMask = CFM_ITALIC;
377 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
378 break;
379 case rtfUnderline:
380 fmt.dwMask = CFM_UNDERLINETYPE;
381 fmt.bUnderlineType = info->rtfParam ? CFU_CF1UNDERLINE : CFU_UNDERLINENONE;
382 break;
383 case rtfDotUnderline:
384 fmt.dwMask = CFM_UNDERLINETYPE;
385 fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEDOTTED : CFU_UNDERLINENONE;
386 break;
387 case rtfDbUnderline:
388 fmt.dwMask = CFM_UNDERLINETYPE;
389 fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEDOUBLE : CFU_UNDERLINENONE;
390 break;
391 case rtfWordUnderline:
392 fmt.dwMask = CFM_UNDERLINETYPE;
393 fmt.bUnderlineType = info->rtfParam ? CFU_UNDERLINEWORD : CFU_UNDERLINENONE;
394 break;
395 case rtfNoUnderline:
396 fmt.dwMask = CFM_UNDERLINETYPE;
397 fmt.bUnderlineType = CFU_UNDERLINENONE;
398 break;
399 case rtfStrikeThru:
400 fmt.dwMask = CFM_STRIKEOUT;
401 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
402 break;
403 case rtfSubScript:
404 case rtfSuperScript:
405 case rtfSubScrShrink:
406 case rtfSuperScrShrink:
407 case rtfNoSuperSub:
408 fmt.dwMask = CFM_SUBSCRIPT|CFM_SUPERSCRIPT;
409 if (info->rtfMinor == rtfSubScrShrink) fmt.dwEffects = CFE_SUBSCRIPT;
410 if (info->rtfMinor == rtfSuperScrShrink) fmt.dwEffects = CFE_SUPERSCRIPT;
411 if (info->rtfMinor == rtfNoSuperSub) fmt.dwEffects = 0;
412 break;
413 case rtfInvisible:
414 fmt.dwMask = CFM_HIDDEN;
415 fmt.dwEffects = info->rtfParam ? fmt.dwMask : 0;
416 break;
417 case rtfBackColor:
418 fmt.dwMask = CFM_BACKCOLOR;
419 fmt.dwEffects = 0;
420 if (info->rtfParam == 0)
421 fmt.dwEffects = CFE_AUTOBACKCOLOR;
422 else if (info->rtfParam != rtfNoParam)
423 {
424 RTFColor *c = RTFGetColor(info, info->rtfParam);
425 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
426 }
427 break;
428 case rtfForeColor:
429 fmt.dwMask = CFM_COLOR;
430 fmt.dwEffects = 0;
431 if (info->rtfParam == 0)
432 fmt.dwEffects = CFE_AUTOCOLOR;
433 else if (info->rtfParam != rtfNoParam)
434 {
435 RTFColor *c = RTFGetColor(info, info->rtfParam);
436 if (c)
437 fmt.crTextColor = (c->rtfCBlue<<16)|(c->rtfCGreen<<8)|(c->rtfCRed);
438 else
439 fmt.crTextColor = 0;
440 }
441 break;
442 case rtfFontNum:
443 if (info->rtfParam != rtfNoParam)
444 {
445 RTFFont *f = RTFGetFont(info, info->rtfParam);
446 if (f)
447 {
448 MultiByteToWideChar(CP_ACP, 0, f->rtfFName, -1, fmt.szFaceName, sizeof(fmt.szFaceName)/sizeof(WCHAR));
449 fmt.szFaceName[sizeof(fmt.szFaceName)/sizeof(WCHAR)-1] = '\0';
450 fmt.bCharSet = f->rtfFCharSet;
451 fmt.dwMask = CFM_FACE | CFM_CHARSET;
452 fmt.bPitchAndFamily = f->rtfFPitch | (f->rtfFFamily << 4);
453 }
454 }
455 break;
456 case rtfFontSize:
457 fmt.dwMask = CFM_SIZE;
458 if (info->rtfParam != rtfNoParam)
459 fmt.yHeight = info->rtfParam*10;
460 break;
461 }
462 if (fmt.dwMask) {
463 ME_Style *style2;
464 RTFFlushOutputBuffer(info);
465 /* FIXME too slow ? how come ? */
466 style2 = ME_ApplyStyle(info->style, &fmt);
467 ME_ReleaseStyle(info->style);
468 info->style = style2;
469 info->styleChanged = TRUE;
470 }
471 }
472
473 /* FIXME this function doesn't get any information about context of the RTF tag, which is very bad,
474 the same tags mean different things in different contexts */
475 void ME_RTFParAttrHook(RTF_Info *info)
476 {
477 PARAFORMAT2 fmt;
478 fmt.cbSize = sizeof(fmt);
479 fmt.dwMask = 0;
480
481 switch(info->rtfMinor)
482 {
483 case rtfParDef: /* restores default paragraph attributes */
484 if (!info->editor->bEmulateVersion10) /* v4.1 */
485 info->borderType = RTFBorderParaLeft;
486 else /* v1.0 - 3.0 */
487 info->borderType = RTFBorderParaTop;
488 fmt.dwMask = PFM_ALIGNMENT | PFM_BORDER | PFM_LINESPACING | PFM_TABSTOPS |
489 PFM_OFFSET | PFM_RIGHTINDENT | PFM_SPACEAFTER | PFM_SPACEBEFORE |
490 PFM_STARTINDENT;
491 /* TODO: numbering, shading */
492 fmt.wAlignment = PFA_LEFT;
493 fmt.cTabCount = 0;
494 fmt.dxOffset = fmt.dxStartIndent = fmt.dxRightIndent = 0;
495 fmt.wBorderWidth = fmt.wBorders = 0;
496 fmt.wBorderSpace = 0;
497 fmt.bLineSpacingRule = 0;
498 fmt.dySpaceBefore = fmt.dySpaceAfter = 0;
499 fmt.dyLineSpacing = 0;
500 if (!info->editor->bEmulateVersion10) /* v4.1 */
501 {
502 if (info->tableDef && info->tableDef->tableRowStart &&
503 info->tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
504 {
505 ME_Cursor cursor;
506 ME_DisplayItem *para;
507 /* We are just after a table row. */
508 RTFFlushOutputBuffer(info);
509 cursor = info->editor->pCursors[0];
510 para = ME_GetParagraph(cursor.pRun);
511 if (para == info->tableDef->tableRowStart->member.para.next_para
512 && !cursor.nOffset && !cursor.pRun->member.run.nCharOfs)
513 {
514 /* Since the table row end, no text has been inserted, and the \intbl
515 * control word has not be used. We can confirm that we are not in a
516 * table anymore.
517 */
518 info->tableDef->tableRowStart = NULL;
519 info->canInheritInTbl = FALSE;
520 }
521 }
522 } else { /* v1.0 - v3.0 */
523 fmt.dwMask |= PFM_TABLE;
524 fmt.wEffects &= ~PFE_TABLE;
525 }
526 break;
527 case rtfNestLevel:
528 if (!info->editor->bEmulateVersion10) /* v4.1 */
529 {
530 while (info->rtfParam > info->nestingLevel) {
531 RTFTable *tableDef = ALLOC_OBJ(RTFTable);
532 ZeroMemory(tableDef, sizeof(RTFTable));
533 tableDef->parent = info->tableDef;
534 info->tableDef = tableDef;
535
536 RTFFlushOutputBuffer(info);
537 if (tableDef->tableRowStart &&
538 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
539 {
540 ME_DisplayItem *para = tableDef->tableRowStart;
541 para = para->member.para.next_para;
542 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
543 tableDef->tableRowStart = para;
544 } else {
545 ME_Cursor cursor;
546 WCHAR endl = '\r';
547 cursor = info->editor->pCursors[0];
548 if (cursor.nOffset || cursor.pRun->member.run.nCharOfs)
549 ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
550 tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
551 }
552
553 info->nestingLevel++;
554 }
555 info->canInheritInTbl = FALSE;
556 }
557 break;
558 case rtfInTable:
559 {
560 if (!info->editor->bEmulateVersion10) /* v4.1 */
561 {
562 if (info->nestingLevel < 1)
563 {
564 RTFTable *tableDef;
565 if (!info->tableDef)
566 {
567 info->tableDef = ALLOC_OBJ(RTFTable);
568 ZeroMemory(info->tableDef, sizeof(RTFTable));
569 }
570 tableDef = info->tableDef;
571 RTFFlushOutputBuffer(info);
572 if (tableDef->tableRowStart &&
573 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
574 {
575 ME_DisplayItem *para = tableDef->tableRowStart;
576 para = para->member.para.next_para;
577 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
578 tableDef->tableRowStart = para;
579 } else {
580 ME_Cursor cursor;
581 WCHAR endl = '\r';
582 cursor = info->editor->pCursors[0];
583 if (cursor.nOffset || cursor.pRun->member.run.nCharOfs)
584 ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
585 tableDef->tableRowStart = ME_InsertTableRowStartFromCursor(info->editor);
586 }
587 info->nestingLevel = 1;
588 info->canInheritInTbl = TRUE;
589 }
590 return;
591 } else { /* v1.0 - v3.0 */
592 fmt.dwMask |= PFM_TABLE;
593 fmt.wEffects |= PFE_TABLE;
594 }
595 break;
596 }
597 case rtfFirstIndent:
598 ME_GetSelectionParaFormat(info->editor, &fmt);
599 fmt.dwMask = PFM_STARTINDENT | PFM_OFFSET;
600 fmt.dxStartIndent += fmt.dxOffset + info->rtfParam;
601 fmt.dxOffset = -info->rtfParam;
602 break;
603 case rtfLeftIndent:
604 ME_GetSelectionParaFormat(info->editor, &fmt);
605 fmt.dwMask = PFM_STARTINDENT;
606 fmt.dxStartIndent = info->rtfParam - fmt.dxOffset;
607 break;
608 case rtfRightIndent:
609 fmt.dwMask = PFM_RIGHTINDENT;
610 fmt.dxRightIndent = info->rtfParam;
611 break;
612 case rtfQuadLeft:
613 case rtfQuadJust:
614 fmt.dwMask = PFM_ALIGNMENT;
615 fmt.wAlignment = PFA_LEFT;
616 break;
617 case rtfQuadRight:
618 fmt.dwMask = PFM_ALIGNMENT;
619 fmt.wAlignment = PFA_RIGHT;
620 break;
621 case rtfQuadCenter:
622 fmt.dwMask = PFM_ALIGNMENT;
623 fmt.wAlignment = PFA_CENTER;
624 break;
625 case rtfTabPos:
626 ME_GetSelectionParaFormat(info->editor, &fmt);
627 if (!(fmt.dwMask & PFM_TABSTOPS))
628 {
629 fmt.cTabCount = 0;
630 }
631 if (fmt.cTabCount < MAX_TAB_STOPS && info->rtfParam < 0x1000000)
632 fmt.rgxTabs[fmt.cTabCount++] = info->rtfParam;
633 fmt.dwMask = PFM_TABSTOPS;
634 break;
635 case rtfKeep:
636 fmt.dwMask = PFM_KEEP;
637 fmt.wEffects = PFE_KEEP;
638 break;
639 case rtfNoWidowControl:
640 fmt.dwMask = PFM_NOWIDOWCONTROL;
641 fmt.wEffects = PFE_NOWIDOWCONTROL;
642 break;
643 case rtfKeepNext:
644 fmt.dwMask = PFM_KEEPNEXT;
645 fmt.wEffects = PFE_KEEPNEXT;
646 break;
647 case rtfSpaceAfter:
648 fmt.dwMask = PFM_SPACEAFTER;
649 fmt.dySpaceAfter = info->rtfParam;
650 break;
651 case rtfSpaceBefore:
652 fmt.dwMask = PFM_SPACEBEFORE;
653 fmt.dySpaceBefore = info->rtfParam;
654 break;
655 case rtfSpaceBetween:
656 fmt.dwMask = PFM_LINESPACING;
657 if ((int)info->rtfParam > 0)
658 {
659 fmt.dyLineSpacing = info->rtfParam;
660 fmt.bLineSpacingRule = 3;
661 }
662 else
663 {
664 fmt.dyLineSpacing = info->rtfParam;
665 fmt.bLineSpacingRule = 4;
666 }
667 case rtfSpaceMultiply:
668 fmt.dwMask = PFM_LINESPACING;
669 fmt.dyLineSpacing = info->rtfParam * 20;
670 fmt.bLineSpacingRule = 5;
671 break;
672 case rtfParBullet:
673 fmt.dwMask = PFM_NUMBERING;
674 fmt.wNumbering = PFN_BULLET;
675 break;
676 case rtfParSimple:
677 fmt.dwMask = PFM_NUMBERING;
678 fmt.wNumbering = 2; /* FIXME: MSDN says it's not used ?? */
679 break;
680 case rtfParNumDecimal:
681 fmt.dwMask = PFM_NUMBERING;
682 fmt.wNumbering = 2; /* FIXME: MSDN says it's not used ?? */
683 break;
684 case rtfParNumIndent:
685 fmt.dwMask = PFM_NUMBERINGTAB;
686 fmt.wNumberingTab = info->rtfParam;
687 break;
688 case rtfParNumStartAt:
689 fmt.dwMask = PFM_NUMBERINGSTART;
690 fmt.wNumberingStart = info->rtfParam;
691 break;
692 case rtfBorderLeft:
693 info->borderType = RTFBorderParaLeft;
694 ME_GetSelectionParaFormat(info->editor, &fmt);
695 if (!(fmt.dwMask & PFM_BORDER))
696 {
697 fmt.wBorderSpace = 0;
698 fmt.wBorderWidth = 1;
699 fmt.wBorders = 0;
700 }
701 fmt.wBorders |= 1;
702 fmt.dwMask = PFM_BORDER;
703 break;
704 case rtfBorderRight:
705 info->borderType = RTFBorderParaRight;
706 ME_GetSelectionParaFormat(info->editor, &fmt);
707 if (!(fmt.dwMask & PFM_BORDER))
708 {
709 fmt.wBorderSpace = 0;
710 fmt.wBorderWidth = 1;
711 fmt.wBorders = 0;
712 }
713 fmt.wBorders |= 2;
714 fmt.dwMask = PFM_BORDER;
715 break;
716 case rtfBorderTop:
717 info->borderType = RTFBorderParaTop;
718 ME_GetSelectionParaFormat(info->editor, &fmt);
719 if (!(fmt.dwMask & PFM_BORDER))
720 {
721 fmt.wBorderSpace = 0;
722 fmt.wBorderWidth = 1;
723 fmt.wBorders = 0;
724 }
725 fmt.wBorders |= 4;
726 fmt.dwMask = PFM_BORDER;
727 break;
728 case rtfBorderBottom:
729 info->borderType = RTFBorderParaBottom;
730 ME_GetSelectionParaFormat(info->editor, &fmt);
731 if (!(fmt.dwMask & PFM_BORDER))
732 {
733 fmt.wBorderSpace = 0;
734 fmt.wBorderWidth = 1;
735 fmt.wBorders = 0;
736 }
737 fmt.wBorders |= 8;
738 fmt.dwMask = PFM_BORDER;
739 break;
740 case rtfBorderSingle:
741 ME_GetSelectionParaFormat(info->editor, &fmt);
742 /* we assume that borders have been created before (RTF spec) */
743 fmt.wBorders &= ~0x700;
744 fmt.wBorders |= 1 << 8;
745 fmt.dwMask = PFM_BORDER;
746 break;
747 case rtfBorderThick:
748 ME_GetSelectionParaFormat(info->editor, &fmt);
749 /* we assume that borders have been created before (RTF spec) */
750 fmt.wBorders &= ~0x700;
751 fmt.wBorders |= 2 << 8;
752 fmt.dwMask = PFM_BORDER;
753 break;
754 case rtfBorderShadow:
755 ME_GetSelectionParaFormat(info->editor, &fmt);
756 /* we assume that borders have been created before (RTF spec) */
757 fmt.wBorders &= ~0x700;
758 fmt.wBorders |= 10 << 8;
759 fmt.dwMask = PFM_BORDER;
760 break;
761 case rtfBorderDouble:
762 ME_GetSelectionParaFormat(info->editor, &fmt);
763 /* we assume that borders have been created before (RTF spec) */
764 fmt.wBorders &= ~0x700;
765 fmt.wBorders |= 7 << 8;
766 fmt.dwMask = PFM_BORDER;
767 break;
768 case rtfBorderDot:
769 ME_GetSelectionParaFormat(info->editor, &fmt);
770 /* we assume that borders have been created before (RTF spec) */
771 fmt.wBorders &= ~0x700;
772 fmt.wBorders |= 11 << 8;
773 fmt.dwMask = PFM_BORDER;
774 break;
775 case rtfBorderWidth:
776 {
777 int borderSide = info->borderType & RTFBorderSideMask;
778 RTFTable *tableDef = info->tableDef;
779 ME_GetSelectionParaFormat(info->editor, &fmt);
780 /* we assume that borders have been created before (RTF spec) */
781 fmt.wBorderWidth |= ((info->rtfParam / 15) & 7) << 8;
782 if ((info->borderType & RTFBorderTypeMask) == RTFBorderTypeCell)
783 {
784 RTFBorder *border;
785 if (!tableDef || tableDef->numCellsDefined >= MAX_TABLE_CELLS)
786 break;
787 border = &tableDef->cells[tableDef->numCellsDefined].border[borderSide];
788 border->width = info->rtfParam;
789 break;
790 }
791 fmt.dwMask = PFM_BORDER;
792 break;
793 }
794 case rtfBorderSpace:
795 ME_GetSelectionParaFormat(info->editor, &fmt);
796 /* we assume that borders have been created before (RTF spec) */
797 fmt.wBorderSpace = info->rtfParam;
798 fmt.dwMask = PFM_BORDER;
799 break;
800 case rtfBorderColor:
801 {
802 RTFTable *tableDef = info->tableDef;
803 int borderSide = info->borderType & RTFBorderSideMask;
804 int borderType = info->borderType & RTFBorderTypeMask;
805 switch(borderType)
806 {
807 case RTFBorderTypePara:
808 if (!info->editor->bEmulateVersion10) /* v4.1 */
809 break;
810 /* v1.0 - 3.0 treat paragraph and row borders the same. */
811 case RTFBorderTypeRow:
812 if (tableDef) {
813 tableDef->border[borderSide].color = info->rtfParam;
814 }
815 break;
816 case RTFBorderTypeCell:
817 if (tableDef && tableDef->numCellsDefined < MAX_TABLE_CELLS) {
818 tableDef->cells[tableDef->numCellsDefined].border[borderSide].color = info->rtfParam;
819 }
820 break;
821 }
822 break;
823 }
824 }
825 if (fmt.dwMask) {
826 RTFFlushOutputBuffer(info);
827 /* FIXME too slow ? how come ?*/
828 ME_SetSelectionParaFormat(info->editor, &fmt);
829 }
830 }
831
832 void ME_RTFTblAttrHook(RTF_Info *info)
833 {
834 switch (info->rtfMinor)
835 {
836 case rtfRowDef:
837 {
838 if (!info->editor->bEmulateVersion10) /* v4.1 */
839 info->borderType = 0; /* Not sure */
840 else /* v1.0 - 3.0 */
841 info->borderType = RTFBorderRowTop;
842 if (!info->tableDef) {
843 info->tableDef = ME_MakeTableDef(info->editor);
844 } else {
845 ME_InitTableDef(info->editor, info->tableDef);
846 }
847 break;
848 }
849 case rtfCellPos:
850 {
851 int cellNum;
852 if (!info->tableDef)
853 {
854 info->tableDef = ME_MakeTableDef(info->editor);
855 }
856 cellNum = info->tableDef->numCellsDefined;
857 if (cellNum >= MAX_TABLE_CELLS)
858 break;
859 info->tableDef->cells[cellNum].rightBoundary = info->rtfParam;
860 if (cellNum < MAX_TAB_STOPS) {
861 /* Tab stops were used to store cell positions before v4.1 but v4.1
862 * still seems to set the tabstops without using them. */
863 ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
864 PARAFORMAT2 *pFmt = para->member.para.pFmt;
865 pFmt->rgxTabs[cellNum] &= ~0x00FFFFFF;
866 pFmt->rgxTabs[cellNum] = 0x00FFFFFF & info->rtfParam;
867 }
868 info->tableDef->numCellsDefined++;
869 break;
870 }
871 case rtfRowBordTop:
872 info->borderType = RTFBorderRowTop;
873 break;
874 case rtfRowBordLeft:
875 info->borderType = RTFBorderRowLeft;
876 break;
877 case rtfRowBordBottom:
878 info->borderType = RTFBorderRowBottom;
879 break;
880 case rtfRowBordRight:
881 info->borderType = RTFBorderRowRight;
882 break;
883 case rtfCellBordTop:
884 info->borderType = RTFBorderCellTop;
885 break;
886 case rtfCellBordLeft:
887 info->borderType = RTFBorderCellLeft;
888 break;
889 case rtfCellBordBottom:
890 info->borderType = RTFBorderCellBottom;
891 break;
892 case rtfCellBordRight:
893 info->borderType = RTFBorderCellRight;
894 break;
895 case rtfRowGapH:
896 if (info->tableDef)
897 info->tableDef->gapH = info->rtfParam;
898 break;
899 case rtfRowLeftEdge:
900 if (info->tableDef)
901 info->tableDef->leftEdge = info->rtfParam;
902 break;
903 }
904 }
905
906 void ME_RTFSpecialCharHook(RTF_Info *info)
907 {
908 RTFTable *tableDef = info->tableDef;
909 switch (info->rtfMinor)
910 {
911 case rtfNestCell:
912 if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */
913 break;
914 /* else fall through since v4.1 treats rtfNestCell and rtfCell the same */
915 case rtfCell:
916 if (!tableDef)
917 break;
918 RTFFlushOutputBuffer(info);
919 if (!info->editor->bEmulateVersion10) { /* v4.1 */
920 if (tableDef->tableRowStart)
921 {
922 if (!info->nestingLevel &&
923 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
924 {
925 ME_DisplayItem *para = tableDef->tableRowStart;
926 para = para->member.para.next_para;
927 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
928 tableDef->tableRowStart = para;
929 info->nestingLevel = 1;
930 }
931 ME_InsertTableCellFromCursor(info->editor);
932 }
933 } else { /* v1.0 - v3.0 */
934 ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
935 PARAFORMAT2 *pFmt = para->member.para.pFmt;
936 if (pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE &&
937 tableDef->numCellsInserted < tableDef->numCellsDefined)
938 {
939 WCHAR tab = '\t';
940 ME_InsertTextFromCursor(info->editor, 0, &tab, 1, info->style);
941 tableDef->numCellsInserted++;
942 }
943 }
944 break;
945 case rtfNestRow:
946 if (info->editor->bEmulateVersion10) /* v1.0 - v3.0 */
947 break;
948 /* else fall through since v4.1 treats rtfNestRow and rtfRow the same */
949 case rtfRow:
950 {
951 ME_DisplayItem *para, *cell, *run;
952 int i;
953
954 if (!tableDef)
955 break;
956 RTFFlushOutputBuffer(info);
957 if (!info->editor->bEmulateVersion10) { /* v4.1 */
958 if (!tableDef->tableRowStart)
959 break;
960 if (!info->nestingLevel &&
961 tableDef->tableRowStart->member.para.nFlags & MEPF_ROWEND)
962 {
963 para = tableDef->tableRowStart;
964 para = para->member.para.next_para;
965 para = ME_InsertTableRowStartAtParagraph(info->editor, para);
966 tableDef->tableRowStart = para;
967 info->nestingLevel++;
968 }
969 para = tableDef->tableRowStart;
970 cell = ME_FindItemFwd(para, diCell);
971 assert(cell && !cell->member.cell.prev_cell);
972 if (tableDef->numCellsDefined < 1)
973 {
974 /* 2000 twips appears to be the cell size that native richedit uses
975 * when no cell sizes are specified. */
976 const int defaultCellSize = 2000;
977 int nRightBoundary = defaultCellSize;
978 cell->member.cell.nRightBoundary = nRightBoundary;
979 while (cell->member.cell.next_cell) {
980 cell = cell->member.cell.next_cell;
981 nRightBoundary += defaultCellSize;
982 cell->member.cell.nRightBoundary = nRightBoundary;
983 }
984 para = ME_InsertTableCellFromCursor(info->editor);
985 cell = para->member.para.pCell;
986 cell->member.cell.nRightBoundary = nRightBoundary;
987 } else {
988 for (i = 0; i < tableDef->numCellsDefined; i++)
989 {
990 RTFCell *cellDef = &tableDef->cells[i];
991 cell->member.cell.nRightBoundary = cellDef->rightBoundary;
992 ME_ApplyBorderProperties(info, &cell->member.cell.border,
993 cellDef->border);
994 cell = cell->member.cell.next_cell;
995 if (!cell)
996 {
997 para = ME_InsertTableCellFromCursor(info->editor);
998 cell = para->member.para.pCell;
999 }
1000 }
1001 /* Cell for table row delimiter is empty */
1002 cell->member.cell.nRightBoundary = tableDef->cells[i-1].rightBoundary;
1003 }
1004
1005 run = ME_FindItemFwd(cell, diRun);
1006 if (info->editor->pCursors[0].pRun != run ||
1007 info->editor->pCursors[0].nOffset)
1008 {
1009 int nOfs, nChars;
1010 /* Delete inserted cells that aren't defined. */
1011 info->editor->pCursors[1].pRun = run;
1012 info->editor->pCursors[1].nOffset = 0;
1013 nOfs = ME_GetCursorOfs(info->editor, 1);
1014 nChars = ME_GetCursorOfs(info->editor, 0) - nOfs;
1015 ME_InternalDeleteText(info->editor, nOfs, nChars, TRUE);
1016 }
1017
1018 para = ME_InsertTableRowEndFromCursor(info->editor);
1019 para->member.para.pFmt->dxOffset = abs(info->tableDef->gapH);
1020 para->member.para.pFmt->dxStartIndent = info->tableDef->leftEdge;
1021 ME_ApplyBorderProperties(info, &para->member.para.border,
1022 tableDef->border);
1023 info->nestingLevel--;
1024 if (!info->nestingLevel)
1025 {
1026 if (info->canInheritInTbl) {
1027 tableDef->tableRowStart = para;
1028 } else {
1029 while (info->tableDef) {
1030 tableDef = info->tableDef;
1031 info->tableDef = tableDef->parent;
1032 heap_free(tableDef);
1033 }
1034 }
1035 } else {
1036 info->tableDef = tableDef->parent;
1037 heap_free(tableDef);
1038 }
1039 } else { /* v1.0 - v3.0 */
1040 WCHAR endl = '\r';
1041 ME_DisplayItem *para = ME_GetParagraph(info->editor->pCursors[0].pRun);
1042 PARAFORMAT2 *pFmt = para->member.para.pFmt;
1043 pFmt->dxOffset = info->tableDef->gapH;
1044 pFmt->dxStartIndent = info->tableDef->leftEdge;
1045
1046 para = ME_GetParagraph(info->editor->pCursors[0].pRun);
1047 ME_ApplyBorderProperties(info, &para->member.para.border,
1048 tableDef->border);
1049 while (tableDef->numCellsInserted < tableDef->numCellsDefined)
1050 {
1051 WCHAR tab = '\t';
1052 ME_InsertTextFromCursor(info->editor, 0, &tab, 1, info->style);
1053 tableDef->numCellsInserted++;
1054 }
1055 pFmt->cTabCount = min(tableDef->numCellsDefined, MAX_TAB_STOPS);
1056 if (!tableDef->numCellsDefined)
1057 pFmt->wEffects &= ~PFE_TABLE;
1058 ME_InsertTextFromCursor(info->editor, 0, &endl, 1, info->style);
1059 tableDef->numCellsInserted = 0;
1060 }
1061 break;
1062 }
1063 case rtfTab:
1064 case rtfPar:
1065 if (info->editor->bEmulateVersion10) { /* v1.0 - 3.0 */
1066 ME_DisplayItem *para;
1067 PARAFORMAT2 *pFmt;
1068 RTFFlushOutputBuffer(info);
1069 para = ME_GetParagraph(info->editor->pCursors[0].pRun);
1070 pFmt = para->member.para.pFmt;
1071 if (pFmt->dwMask & PFM_TABLE && pFmt->wEffects & PFE_TABLE)
1072 {
1073 /* rtfPar is treated like a space within a table. */
1074 info->rtfClass = rtfText;
1075 info->rtfMajor = ' ';
1076 }
1077 else if (info->rtfMinor == rtfPar && tableDef)
1078 tableDef->numCellsInserted = 0;
1079 }
1080 break;
1081 }
1082 }
1083
1084 static BOOL ME_RTFInsertOleObject(RTF_Info *info, HENHMETAFILE hemf, HBITMAP hbmp,
1085 const SIZEL* sz)
1086 {
1087 LPOLEOBJECT lpObject = NULL;
1088 LPSTORAGE lpStorage = NULL;
1089 LPOLECLIENTSITE lpClientSite = NULL;
1090 LPDATAOBJECT lpDataObject = NULL;
1091 LPOLECACHE lpOleCache = NULL;
1092 STGMEDIUM stgm;
1093 FORMATETC fm;
1094 CLSID clsid;
1095 BOOL ret = FALSE;
1096 DWORD conn;
1097
1098 if (hemf)
1099 {
1100 stgm.tymed = TYMED_ENHMF;
1101 stgm.u.hEnhMetaFile = hemf;
1102 fm.cfFormat = CF_ENHMETAFILE;
1103 }
1104 else if (hbmp)
1105 {
1106 stgm.tymed = TYMED_GDI;
1107 stgm.u.hBitmap = hbmp;
1108 fm.cfFormat = CF_BITMAP;
1109 }
1110 stgm.pUnkForRelease = NULL;
1111
1112 fm.ptd = NULL;
1113 fm.dwAspect = DVASPECT_CONTENT;
1114 fm.lindex = -1;
1115 fm.tymed = stgm.tymed;
1116
1117 if (!info->lpRichEditOle)
1118 {
1119 CreateIRichEditOle(info->editor, (VOID**)&info->lpRichEditOle);
1120 }
1121
1122 if (OleCreateDefaultHandler(&CLSID_NULL, NULL, &IID_IOleObject, (void**)&lpObject) == S_OK &&
1123 #if 0
1124 /* FIXME: enable it when rich-edit properly implements this method */
1125 IRichEditOle_GetClientSite(info->lpRichEditOle, &lpClientSite) == S_OK &&
1126 IOleObject_SetClientSite(lpObject, lpClientSite) == S_OK &&
1127 #endif
1128 IOleObject_GetUserClassID(lpObject, &clsid) == S_OK &&
1129 IOleObject_QueryInterface(lpObject, &IID_IOleCache, (void**)&lpOleCache) == S_OK &&
1130 IOleCache_Cache(lpOleCache, &fm, 0, &conn) == S_OK &&
1131 IOleObject_QueryInterface(lpObject, &IID_IDataObject, (void**)&lpDataObject) == S_OK &&
1132 IDataObject_SetData(lpDataObject, &fm, &stgm, TRUE) == S_OK)
1133 {
1134 REOBJECT reobject;
1135
1136 reobject.cbStruct = sizeof(reobject);
1137 reobject.cp = REO_CP_SELECTION;
1138 reobject.clsid = clsid;
1139 reobject.poleobj = lpObject;
1140 reobject.pstg = lpStorage;
1141 reobject.polesite = lpClientSite;
1142 /* convert from twips to .01 mm */
1143 reobject.sizel.cx = MulDiv(sz->cx, 254, 144);
1144 reobject.sizel.cy = MulDiv(sz->cy, 254, 144);
1145 reobject.dvaspect = DVASPECT_CONTENT;
1146 reobject.dwFlags = 0; /* FIXME */
1147 reobject.dwUser = 0;
1148
1149 /* FIXME: could be simpler */
1150 ret = IRichEditOle_InsertObject(info->lpRichEditOle, &reobject) == S_OK;
1151 }
1152
1153 if (lpObject) IOleObject_Release(lpObject);
1154 if (lpClientSite) IOleClientSite_Release(lpClientSite);
1155 if (lpStorage) IStorage_Release(lpStorage);
1156 if (lpDataObject) IDataObject_Release(lpDataObject);
1157 if (lpOleCache) IOleCache_Release(lpOleCache);
1158
1159 return ret;
1160 }
1161
1162 static void ME_RTFReadPictGroup(RTF_Info *info)
1163 {
1164 SIZEL sz;
1165 BYTE* buffer = NULL;
1166 unsigned bufsz, bufidx;
1167 BOOL flip;
1168 BYTE val;
1169 METAFILEPICT mfp;
1170 HENHMETAFILE hemf;
1171 HBITMAP hbmp;
1172 enum gfxkind {gfx_unknown = 0, gfx_enhmetafile, gfx_metafile, gfx_dib} gfx = gfx_unknown;
1173
1174 RTFGetToken (info);
1175 if (info->rtfClass == rtfEOF)
1176 return;
1177 mfp.mm = MM_TEXT;
1178 /* fetch picture type */
1179 if (RTFCheckMM (info, rtfPictAttr, rtfWinMetafile))
1180 {
1181 mfp.mm = info->rtfParam;
1182 gfx = gfx_metafile;
1183 }
1184 else if (RTFCheckMM (info, rtfPictAttr, rtfDevIndBitmap))
1185 {
1186 if (info->rtfParam != 0) FIXME("dibitmap should be 0 (%d)\n", info->rtfParam);
1187 gfx = gfx_dib;
1188 }
1189 else if (RTFCheckMM (info, rtfPictAttr, rtfEmfBlip))
1190 {
1191 gfx = gfx_enhmetafile;
1192 }
1193 else
1194 {
1195 FIXME("%d %d\n", info->rtfMajor, info->rtfMinor);
1196 goto skip_group;
1197 }
1198 sz.cx = sz.cy = 0;
1199 /* fetch picture attributes */
1200 for (;;)
1201 {
1202 RTFGetToken (info);
1203 if (info->rtfClass == rtfEOF)
1204 return;
1205 if (info->rtfClass == rtfText)
1206 break;
1207 if (!RTFCheckCM (info, rtfControl, rtfPictAttr))
1208 {
1209 ERR("Expected picture attribute (%d %d)\n",
1210 info->rtfClass, info->rtfMajor);
1211 goto skip_group;
1212 }
1213 else if (RTFCheckMM (info, rtfPictAttr, rtfPicWid))
1214 {
1215 if (gfx == gfx_metafile) mfp.xExt = info->rtfParam;
1216 }
1217 else if (RTFCheckMM (info, rtfPictAttr, rtfPicHt))
1218 {
1219 if (gfx == gfx_metafile) mfp.yExt = info->rtfParam;
1220 }
1221 else if (RTFCheckMM (info, rtfPictAttr, rtfPicGoalWid))
1222 sz.cx = info->rtfParam;
1223 else if (RTFCheckMM (info, rtfPictAttr, rtfPicGoalHt))
1224 sz.cy = info->rtfParam;
1225 else
1226 FIXME("Non supported attribute: %d %d %d\n", info->rtfClass, info->rtfMajor, info->rtfMinor);
1227 }
1228 /* fetch picture data */
1229 bufsz = 1024;
1230 bufidx = 0;
1231 buffer = HeapAlloc(GetProcessHeap(), 0, bufsz);
1232 val = info->rtfMajor;
1233 for (flip = TRUE;; flip = !flip)
1234 {
1235 RTFGetToken (info);
1236 if (info->rtfClass == rtfEOF)
1237 {
1238 HeapFree(GetProcessHeap(), 0, buffer);
1239 return; /* Warn ?? */
1240 }
1241 if (RTFCheckCM(info, rtfGroup, rtfEndGroup))
1242 break;
1243 if (info->rtfClass != rtfText) goto skip_group;
1244 if (flip)
1245 {
1246 if (bufidx >= bufsz &&
1247 !(buffer = HeapReAlloc(GetProcessHeap(), 0, buffer, bufsz += 1024)))
1248 goto skip_group;
1249 buffer[bufidx++] = RTFCharToHex(val) * 16 + RTFCharToHex(info->rtfMajor);
1250 }
1251 else
1252 val = info->rtfMajor;
1253 }
1254 if (flip) FIXME("wrong hex string\n");
1255
1256 switch (gfx)
1257 {
1258 case gfx_enhmetafile:
1259 if ((hemf = SetEnhMetaFileBits(bufidx, buffer)))
1260 ME_RTFInsertOleObject(info, hemf, NULL, &sz);
1261 break;
1262 case gfx_metafile:
1263 if ((hemf = SetWinMetaFileBits(bufidx, buffer, NULL, &mfp)))
1264 ME_RTFInsertOleObject(info, hemf, NULL, &sz);
1265 break;
1266 case gfx_dib:
1267 {
1268 BITMAPINFO* bi = (BITMAPINFO*)buffer;
1269 HDC hdc = GetDC(0);
1270 unsigned nc = bi->bmiHeader.biClrUsed;
1271
1272 /* not quite right, especially for bitfields type of compression */
1273 if (!nc && bi->bmiHeader.biBitCount <= 8)
1274 nc = 1 << bi->bmiHeader.biBitCount;
1275 if ((hbmp = CreateDIBitmap(hdc, &bi->bmiHeader,
1276 CBM_INIT, (char*)(bi + 1) + nc * sizeof(RGBQUAD),
1277 bi, DIB_RGB_COLORS)))
1278 ME_RTFInsertOleObject(info, NULL, hbmp, &sz);
1279 ReleaseDC(0, hdc);
1280 }
1281 break;
1282 default:
1283 break;
1284 }
1285 HeapFree(GetProcessHeap(), 0, buffer);
1286 RTFRouteToken (info); /* feed "}" back to router */
1287 return;
1288 skip_group:
1289 HeapFree(GetProcessHeap(), 0, buffer);
1290 RTFSkipGroup(info);
1291 RTFRouteToken(info); /* feed "}" back to router */
1292 }
1293
1294 /* for now, lookup the \result part and use it, whatever the object */
1295 static void ME_RTFReadObjectGroup(RTF_Info *info)
1296 {
1297 for (;;)
1298 {
1299 RTFGetToken (info);
1300 if (info->rtfClass == rtfEOF)
1301 return;
1302 if (RTFCheckCM(info, rtfGroup, rtfEndGroup))
1303 break;
1304 if (RTFCheckCM(info, rtfGroup, rtfBeginGroup))
1305 {
1306 RTFGetToken (info);
1307 if (info->rtfClass == rtfEOF)
1308 return;
1309 if (RTFCheckCMM(info, rtfControl, rtfDestination, rtfObjResult))
1310 {
1311 int level = 1;
1312
1313 while (RTFGetToken (info) != rtfEOF)
1314 {
1315 if (info->rtfClass == rtfGroup)
1316 {
1317 if (info->rtfMajor == rtfBeginGroup) level++;
1318 else if (info->rtfMajor == rtfEndGroup && --level < 0) break;
1319 }
1320 RTFRouteToken(info);
1321 }
1322 }
1323 else RTFSkipGroup(info);
1324 continue;
1325 }
1326 if (!RTFCheckCM (info, rtfControl, rtfObjAttr))
1327 {
1328 FIXME("Non supported attribute: %d %d %d\n", info->rtfClass, info->rtfMajor, info->rtfMinor);
1329 return;
1330 }
1331 }
1332 RTFRouteToken(info); /* feed "}" back to router */
1333 }
1334
1335 static void ME_RTFReadHook(RTF_Info *info)
1336 {
1337 switch(info->rtfClass)
1338 {
1339 case rtfGroup:
1340 switch(info->rtfMajor)
1341 {
1342 case rtfBeginGroup:
1343 if (info->stackTop < maxStack) {
1344 info->stack[info->stackTop].fmt = info->style->fmt;
1345 info->stack[info->stackTop].codePage = info->codePage;
1346 info->stack[info->stackTop].unicodeLength = info->unicodeLength;
1347 }
1348 info->stackTop++;
1349 info->styleChanged = FALSE;
1350 break;
1351 case rtfEndGroup:
1352 {
1353 ME_Style *s;
1354 RTFFlushOutputBuffer(info);
1355 info->stackTop--;
1356 if (info->stackTop<=0) {
1357 info->rtfClass = rtfEOF;
1358 return;
1359 }
1360 assert(info->stackTop >= 0);
1361 if (info->styleChanged)
1362 {
1363 /* FIXME too slow ? how come ? */
1364 s = ME_ApplyStyle(info->style, &info->stack[info->stackTop].fmt);
1365 ME_ReleaseStyle(info->style);
1366 info->style = s;
1367 info->codePage = info->stack[info->stackTop].codePage;
1368 info->unicodeLength = info->stack[info->stackTop].unicodeLength;
1369 }
1370 break;
1371 }
1372 }
1373 break;
1374 }
1375 }
1376
1377 void
1378 ME_StreamInFill(ME_InStream *stream)
1379 {
1380 stream->editstream->dwError = stream->editstream->pfnCallback(stream->editstream->dwCookie,
1381 (BYTE *)stream->buffer,
1382 sizeof(stream->buffer),
1383 (LONG *)&stream->dwSize);
1384 stream->dwUsed = 0;
1385 }
1386
1387 static LRESULT ME_StreamIn(ME_TextEditor *editor, DWORD format, EDITSTREAM *stream, BOOL stripLastCR)
1388 {
1389 RTF_Info parser;
1390 ME_Style *style;
1391 int from, to, to2, nUndoMode;
1392 int nEventMask = editor->nEventMask;
1393 ME_InStream inStream;
1394 BOOL invalidRTF = FALSE;
1395
1396 TRACE("stream==%p editor==%p format==0x%X\n", stream, editor, format);
1397 editor->nEventMask = 0;
1398
1399 ME_GetSelection(editor, &from, &to);
1400 if ((format & SFF_SELECTION) && (editor->mode & TM_RICHTEXT)) {
1401 style = ME_GetSelectionInsertStyle(editor);
1402
1403 ME_InternalDeleteText(editor, from, to-from, FALSE);
1404
1405 /* Don't insert text at the end of the table row */
1406 if (!editor->bEmulateVersion10) { /* v4.1 */
1407 ME_DisplayItem *para = ME_GetParagraph(editor->pCursors->pRun);
1408 if (para->member.para.nFlags & MEPF_ROWEND)
1409 {
1410 para = para->member.para.next_para;
1411 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
1412 editor->pCursors[0].nOffset = 0;
1413 }
1414 if (para->member.para.nFlags & MEPF_ROWSTART)
1415 {
1416 para = para->member.para.next_para;
1417 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
1418 editor->pCursors[0].nOffset = 0;
1419 }
1420 editor->pCursors[1] = editor->pCursors[0];
1421 } else { /* v1.0 - 3.0 */
1422 if (editor->pCursors[0].pRun->member.run.nFlags & MERF_ENDPARA &&
1423 ME_IsInTable(editor->pCursors[0].pRun))
1424 return 0;
1425 }
1426 }
1427 else {
1428 ME_DisplayItem *para_item;
1429 style = editor->pBuffer->pDefaultStyle;
1430 ME_AddRefStyle(style);
1431 ME_SetSelection(editor, 0, 0);
1432 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
1433 from = to = 0;
1434 ME_ClearTempStyle(editor);
1435
1436 para_item = ME_GetParagraph(editor->pCursors[0].pRun);
1437 ME_SetDefaultParaFormat(para_item->member.para.pFmt);
1438 }
1439
1440
1441 /* Back up undo mode to a local variable */
1442 nUndoMode = editor->nUndoMode;
1443
1444 /* Only create an undo if SFF_SELECTION is set */
1445 if (!(format & SFF_SELECTION))
1446 editor->nUndoMode = umIgnore;
1447
1448 inStream.editstream = stream;
1449 inStream.editstream->dwError = 0;
1450 inStream.dwSize = 0;
1451 inStream.dwUsed = 0;
1452
1453 if (format & SF_RTF)
1454 {
1455 /* Check if it's really RTF, and if it is not, use plain text */
1456 ME_StreamInFill(&inStream);
1457 if (!inStream.editstream->dwError)
1458 {
1459 if ((!editor->bEmulateVersion10 && strncmp(inStream.buffer, "{\\rtf", 5) && strncmp(inStream.buffer, "{\\urtf", 6))
1460 || (editor->bEmulateVersion10 && *inStream.buffer != '{'))
1461 {
1462 invalidRTF = TRUE;
1463 inStream.editstream->dwError = -16;
1464 }
1465 }
1466 }
1467
1468 if (!invalidRTF && !inStream.editstream->dwError)
1469 {
1470 if (format & SF_RTF) {
1471 /* setup the RTF parser */
1472 memset(&parser, 0, sizeof parser);
1473 RTFSetEditStream(&parser, &inStream);
1474 parser.rtfFormat = format&(SF_TEXT|SF_RTF);
1475 parser.editor = editor;
1476 parser.style = style;
1477 WriterInit(&parser);
1478 RTFInit(&parser);
1479 RTFSetReadHook(&parser, ME_RTFReadHook);
1480 RTFSetDestinationCallback(&parser, rtfPict, ME_RTFReadPictGroup);
1481 RTFSetDestinationCallback(&parser, rtfObject, ME_RTFReadObjectGroup);
1482 if (!parser.editor->bEmulateVersion10) /* v4.1 */
1483 {
1484 RTFSetDestinationCallback(&parser, rtfNoNestTables, RTFSkipGroup);
1485 RTFSetDestinationCallback(&parser, rtfNestTableProps, RTFReadGroup);
1486 }
1487 BeginFile(&parser);
1488
1489 /* do the parsing */
1490 RTFRead(&parser);
1491 RTFFlushOutputBuffer(&parser);
1492 if (!editor->bEmulateVersion10) { /* v4.1 */
1493 if (parser.tableDef && parser.tableDef->tableRowStart &&
1494 (parser.nestingLevel > 0 || parser.canInheritInTbl))
1495 {
1496 /* Delete any incomplete table row at the end of the rich text. */
1497 int nOfs, nChars;
1498 ME_DisplayItem *pCell;
1499 ME_DisplayItem *para;
1500
1501 parser.rtfMinor = rtfRow;
1502 /* Complete the table row before deleting it.
1503 * By doing it this way we will have the current paragraph format set
1504 * properly to reflect that is not in the complete table, and undo items
1505 * will be added for this change to the current paragraph format. */
1506 if (parser.nestingLevel > 0)
1507 {
1508 while (parser.nestingLevel > 1)
1509 ME_RTFSpecialCharHook(&parser); /* Decrements nestingLevel */
1510 para = parser.tableDef->tableRowStart;
1511 ME_RTFSpecialCharHook(&parser);
1512 } else {
1513 para = parser.tableDef->tableRowStart;
1514 ME_RTFSpecialCharHook(&parser);
1515 assert(para->member.para.nFlags & MEPF_ROWEND);
1516 para = para->member.para.next_para;
1517 }
1518 pCell = para->member.para.pCell;
1519
1520 editor->pCursors[1].pRun = ME_FindItemFwd(para, diRun);
1521 editor->pCursors[1].nOffset = 0;
1522 nOfs = ME_GetCursorOfs(editor, 1);
1523 nChars = ME_GetCursorOfs(editor, 0) - nOfs;
1524 ME_InternalDeleteText(editor, nOfs, nChars, TRUE);
1525 if (parser.tableDef)
1526 parser.tableDef->tableRowStart = NULL;
1527 }
1528 }
1529 ME_CheckTablesForCorruption(editor);
1530 RTFDestroy(&parser);
1531 if (parser.lpRichEditOle)
1532 IRichEditOle_Release(parser.lpRichEditOle);
1533
1534 if (!inStream.editstream->dwError && parser.stackTop > 0)
1535 inStream.editstream->dwError = HRESULT_FROM_WIN32(ERROR_HANDLE_EOF);
1536
1537 /* Remove last line break, as mandated by tests. This is not affected by
1538 CR/LF counters, since RTF streaming presents only \para tokens, which
1539 are converted according to the standard rules: \r for 2.0, \r\n for 1.0
1540 */
1541 if (stripLastCR) {
1542 int newfrom, newto;
1543 ME_GetSelection(editor, &newfrom, &newto);
1544 if (newto > to + (editor->bEmulateVersion10 ? 1 : 0)) {
1545 WCHAR lastchar[3] = {'\0', '\0'};
1546 int linebreakSize = editor->bEmulateVersion10 ? 2 : 1;
1547
1548 ME_GetTextW(editor, lastchar, newto - linebreakSize, linebreakSize, 0);
1549 if (lastchar[0] == '\r' && (lastchar[1] == '\n' || lastchar[1] == '\0')) {
1550 ME_InternalDeleteText(editor, newto - linebreakSize, linebreakSize, FALSE);
1551 }
1552 }
1553 }
1554
1555 style = parser.style;
1556 }
1557 else if (format & SF_TEXT)
1558 ME_StreamInText(editor, format, &inStream, style);
1559 else
1560 ERR("EM_STREAMIN without SF_TEXT or SF_RTF\n");
1561 ME_GetSelection(editor, &to, &to2);
1562 /* put the cursor at the top */
1563 if (!(format & SFF_SELECTION))
1564 ME_SetSelection(editor, 0, 0);
1565 }
1566
1567 /* Restore saved undo mode */
1568 editor->nUndoMode = nUndoMode;
1569
1570 /* even if we didn't add an undo, we need to commit anything on the stack */
1571 ME_CommitUndo(editor);
1572
1573 /* If SFF_SELECTION isn't set, delete any undos from before we started too */
1574 if (!(format & SFF_SELECTION))
1575 ME_EmptyUndoStack(editor);
1576
1577 ME_ReleaseStyle(style);
1578 editor->nEventMask = nEventMask;
1579 ME_UpdateRepaint(editor);
1580 if (!(format & SFF_SELECTION)) {
1581 ME_ClearTempStyle(editor);
1582 }
1583 ITextHost_TxShowCaret(editor->texthost, FALSE);
1584 ME_MoveCaret(editor);
1585 ITextHost_TxShowCaret(editor->texthost, TRUE);
1586 ME_SendSelChange(editor);
1587 ME_SendRequestResize(editor, FALSE);
1588
1589 return 0;
1590 }
1591
1592
1593 typedef struct tagME_RTFStringStreamStruct
1594 {
1595 char *string;
1596 int pos;
1597 int length;
1598 } ME_RTFStringStreamStruct;
1599
1600 static DWORD CALLBACK ME_ReadFromRTFString(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
1601 {
1602 ME_RTFStringStreamStruct *pStruct = (ME_RTFStringStreamStruct *)dwCookie;
1603 int count;
1604
1605 count = min(cb, pStruct->length - pStruct->pos);
1606 memmove(lpBuff, pStruct->string + pStruct->pos, count);
1607 pStruct->pos += count;
1608 *pcb = count;
1609 return 0;
1610 }
1611
1612 static void
1613 ME_StreamInRTFString(ME_TextEditor *editor, BOOL selection, char *string)
1614 {
1615 EDITSTREAM es;
1616 ME_RTFStringStreamStruct data;
1617
1618 data.string = string;
1619 data.length = strlen(string);
1620 data.pos = 0;
1621 es.dwCookie = (DWORD_PTR)&data;
1622 es.pfnCallback = ME_ReadFromRTFString;
1623 ME_StreamIn(editor, SF_RTF | (selection ? SFF_SELECTION : 0), &es, FALSE);
1624 }
1625
1626
1627 static int
1628 ME_FindText(ME_TextEditor *editor, DWORD flags, const CHARRANGE *chrg, const WCHAR *text, CHARRANGE *chrgText)
1629 {
1630 const int nLen = lstrlenW(text);
1631 const int nTextLen = ME_GetTextLength(editor);
1632 int nStart, nEnd;
1633 int nMin, nMax;
1634 ME_DisplayItem *item;
1635 ME_DisplayItem *para;
1636 WCHAR wLastChar = ' ';
1637
1638 TRACE("flags==0x%08x, chrg->cpMin==%d, chrg->cpMax==%d text==%s\n",
1639 flags, chrg->cpMin, chrg->cpMax, debugstr_w(text));
1640
1641 if (flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD))
1642 FIXME("Flags 0x%08x not implemented\n",
1643 flags & ~(FR_DOWN | FR_MATCHCASE | FR_WHOLEWORD));
1644
1645 nMin = chrg->cpMin;
1646 if (chrg->cpMax == -1)
1647 nMax = nTextLen;
1648 else
1649 nMax = chrg->cpMax > nTextLen ? nTextLen : chrg->cpMax;
1650
1651 /* In 1.0 emulation, if cpMax reaches end of text, add the FR_DOWN flag */
1652 if (editor->bEmulateVersion10 && nMax == nTextLen)
1653 {
1654 flags |= FR_DOWN;
1655 }
1656
1657 /* In 1.0 emulation, cpMin must always be no greater than cpMax */
1658 if (editor->bEmulateVersion10 && nMax < nMin)
1659 {
1660 if (chrgText)
1661 {
1662 chrgText->cpMin = -1;
1663 chrgText->cpMax = -1;
1664 }
1665 return -1;
1666 }
1667
1668 /* when searching up, if cpMin < cpMax, then instead of searching
1669 * on [cpMin,cpMax], we search on [0,cpMin], otherwise, search on
1670 * [cpMax, cpMin]. The exception is when cpMax is -1, in which
1671 * case, it is always bigger than cpMin.
1672 */
1673 if (!editor->bEmulateVersion10 && !(flags & FR_DOWN))
1674 {
1675 int nSwap = nMax;
1676
1677 nMax = nMin > nTextLen ? nTextLen : nMin;
1678 if (nMin < nSwap || chrg->cpMax == -1)
1679 nMin = 0;
1680 else
1681 nMin = nSwap;
1682 }
1683
1684 if (!nLen || nMin < 0 || nMax < 0 || nMax < nMin)
1685 {
1686 if (chrgText)
1687 chrgText->cpMin = chrgText->cpMax = -1;
1688 return -1;
1689 }
1690
1691 if (flags & FR_DOWN) /* Forward search */
1692 {
1693 /* If possible, find the character before where the search starts */
1694 if ((flags & FR_WHOLEWORD) && nMin)
1695 {
1696 nStart = nMin - 1;
1697 ME_RunOfsFromCharOfs(editor, nStart, &item, &nStart);
1698 if (!item)
1699 {
1700 if (chrgText)
1701 chrgText->cpMin = chrgText->cpMax = -1;
1702 return -1;
1703 }
1704 wLastChar = item->member.run.strText->szData[nStart];
1705 }
1706
1707 nStart = nMin;
1708 ME_RunOfsFromCharOfs(editor, nStart, &item, &nStart);
1709 if (!item)
1710 {
1711 if (chrgText)
1712 chrgText->cpMin = chrgText->cpMax = -1;
1713 return -1;
1714 }
1715
1716 para = ME_GetParagraph(item);
1717 while (item
1718 && para->member.para.nCharOfs + item->member.run.nCharOfs + nStart + nLen <= nMax)
1719 {
1720 ME_DisplayItem *pCurItem = item;
1721 int nCurStart = nStart;
1722 int nMatched = 0;
1723
1724 while (pCurItem && ME_CharCompare(pCurItem->member.run.strText->szData[nCurStart + nMatched], text[nMatched], (flags & FR_MATCHCASE)))
1725 {
1726 if ((flags & FR_WHOLEWORD) && isalnumW(wLastChar))
1727 break;
1728
1729 nMatched++;
1730 if (nMatched == nLen)
1731 {
1732 ME_DisplayItem *pNextItem = pCurItem;
1733 int nNextStart = nCurStart;
1734 WCHAR wNextChar;
1735
1736 /* Check to see if next character is a whitespace */
1737 if (flags & FR_WHOLEWORD)
1738 {
1739 if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText))
1740 {
1741 pNextItem = ME_FindItemFwd(pCurItem, diRun);
1742 nNextStart = -nMatched;
1743 }
1744
1745 if (pNextItem)
1746 wNextChar = pNextItem->member.run.strText->szData[nNextStart + nMatched];
1747 else
1748 wNextChar = ' ';
1749
1750 if (isalnumW(wNextChar))
1751 break;
1752 }
1753
1754 nStart += para->member.para.nCharOfs + item->member.run.nCharOfs;
1755 if (chrgText)
1756 {
1757 chrgText->cpMin = nStart;
1758 chrgText->cpMax = nStart + nLen;
1759 }
1760 TRACE("found at %d-%d\n", nStart, nStart + nLen);
1761 return nStart;
1762 }
1763 if (nCurStart + nMatched == ME_StrLen(pCurItem->member.run.strText))
1764 {
1765 pCurItem = ME_FindItemFwd(pCurItem, diRun);
1766 nCurStart = -nMatched;
1767 }
1768 }
1769 if (pCurItem)
1770 wLastChar = pCurItem->member.run.strText->szData[nCurStart + nMatched];
1771 else
1772 wLastChar = ' ';
1773
1774 nStart++;
1775 if (nStart == ME_StrLen(item->member.run.strText))
1776 {
1777 item = ME_FindItemFwd(item, diRun);
1778 para = ME_GetParagraph(item);
1779 nStart = 0;
1780 }
1781 }
1782 }
1783 else /* Backward search */
1784 {
1785 /* If possible, find the character after where the search ends */
1786 if ((flags & FR_WHOLEWORD) && nMax < nTextLen - 1)
1787 {
1788 nEnd = nMax + 1;
1789 ME_RunOfsFromCharOfs(editor, nEnd, &item, &nEnd);
1790 if (!item)
1791 {
1792 if (chrgText)
1793 chrgText->cpMin = chrgText->cpMax = -1;
1794 return -1;
1795 }
1796 wLastChar = item->member.run.strText->szData[nEnd];
1797 }
1798
1799 nEnd = nMax;
1800 ME_RunOfsFromCharOfs(editor, nEnd, &item, &nEnd);
1801 if (!item)
1802 {
1803 if (chrgText)
1804 chrgText->cpMin = chrgText->cpMax = -1;
1805 return -1;
1806 }
1807
1808 para = ME_GetParagraph(item);
1809
1810 while (item
1811 && para->member.para.nCharOfs + item->member.run.nCharOfs + nEnd - nLen >= nMin)
1812 {
1813 ME_DisplayItem *pCurItem = item;
1814 int nCurEnd = nEnd;
1815 int nMatched = 0;
1816
1817 if (nCurEnd == 0)
1818 {
1819 pCurItem = ME_FindItemBack(pCurItem, diRun);
1820 nCurEnd = ME_StrLen(pCurItem->member.run.strText) + nMatched;
1821 }
1822
1823 while (pCurItem && ME_CharCompare(pCurItem->member.run.strText->szData[nCurEnd - nMatched - 1], text[nLen - nMatched - 1], (flags & FR_MATCHCASE)))
1824 {
1825 if ((flags & FR_WHOLEWORD) && isalnumW(wLastChar))
1826 break;
1827
1828 nMatched++;
1829 if (nMatched == nLen)
1830 {
1831 ME_DisplayItem *pPrevItem = pCurItem;
1832 int nPrevEnd = nCurEnd;
1833 WCHAR wPrevChar;
1834
1835 /* Check to see if previous character is a whitespace */
1836 if (flags & FR_WHOLEWORD)
1837 {
1838 if (nPrevEnd - nMatched == 0)
1839 {
1840 pPrevItem = ME_FindItemBack(pCurItem, diRun);
1841 if (pPrevItem)
1842 nPrevEnd = ME_StrLen(pPrevItem->member.run.strText) + nMatched;
1843 }
1844
1845 if (pPrevItem)
1846 wPrevChar = pPrevItem->member.run.strText->szData[nPrevEnd - nMatched - 1];
1847 else
1848 wPrevChar = ' ';
1849
1850 if (isalnumW(wPrevChar))
1851 break;
1852 }
1853
1854 nStart = ME_GetParagraph(pCurItem)->member.para.nCharOfs
1855 + pCurItem->member.run.nCharOfs + nCurEnd - nMatched;
1856 if (chrgText)
1857 {
1858 chrgText->cpMin = nStart;
1859 chrgText->cpMax = nStart + nLen;
1860 }
1861 TRACE("found at %d-%d\n", nStart, nStart + nLen);
1862 return nStart;
1863 }
1864 if (nCurEnd - nMatched == 0)
1865 {
1866 pCurItem = ME_FindItemBack(pCurItem, diRun);
1867 /* Don't care about pCurItem becoming NULL here; it's already taken
1868 * care of in the exterior loop condition */
1869 nCurEnd = ME_StrLen(pCurItem->member.run.strText) + nMatched;
1870 }
1871 }
1872 if (pCurItem)
1873 wLastChar = pCurItem->member.run.strText->szData[nCurEnd - nMatched - 1];
1874 else
1875 wLastChar = ' ';
1876
1877 nEnd--;
1878 if (nEnd < 0)
1879 {
1880 item = ME_FindItemBack(item, diRun);
1881 para = ME_GetParagraph(item);
1882 nEnd = ME_StrLen(item->member.run.strText);
1883 }
1884 }
1885 }
1886 TRACE("not found\n");
1887 if (chrgText)
1888 chrgText->cpMin = chrgText->cpMax = -1;
1889 return -1;
1890 }
1891
1892 static int ME_GetTextEx(ME_TextEditor *editor, GETTEXTEX *ex, LPARAM pText)
1893 {
1894 int nStart, nCount; /* in chars */
1895
1896 if (ex->flags & ~(GT_SELECTION | GT_USECRLF))
1897 FIXME("GETTEXTEX flags 0x%08x not supported\n", ex->flags & ~(GT_SELECTION | GT_USECRLF));
1898
1899 if (ex->flags & GT_SELECTION)
1900 {
1901 ME_GetSelection(editor, &nStart, &nCount);
1902 nCount -= nStart;
1903 }
1904 else
1905 {
1906 nStart = 0;
1907 nCount = 0x7fffffff;
1908 }
1909 if (ex->codepage == 1200)
1910 {
1911 nCount = min(nCount, ex->cb / sizeof(WCHAR) - 1);
1912 return ME_GetTextW(editor, (LPWSTR)pText, nStart, nCount, ex->flags & GT_USECRLF);
1913 }
1914 else
1915 {
1916 /* potentially each char may be a CR, why calculate the exact value with O(N) when
1917 we can just take a bigger buffer? :)
1918 The above assumption still holds with CR/LF counters, since CR->CRLF expansion
1919 occurs only in richedit 2.0 mode, in which line breaks have only one CR
1920 */
1921 int crlfmul = (ex->flags & GT_USECRLF) ? 2 : 1;
1922 LPWSTR buffer;
1923 DWORD buflen = ex->cb;
1924 LRESULT rc;
1925 DWORD flags = 0;
1926
1927 nCount = min(nCount, ex->cb - 1);
1928 buffer = heap_alloc((crlfmul*nCount + 1) * sizeof(WCHAR));
1929
1930 buflen = ME_GetTextW(editor, buffer, nStart, nCount, ex->flags & GT_USECRLF);
1931 rc = WideCharToMultiByte(ex->codepage, flags, buffer, buflen+1,
1932 (LPSTR)pText, ex->cb, ex->lpDefaultChar, ex->lpUsedDefChar);
1933 if (rc) rc--; /* do not count 0 terminator */
1934
1935 heap_free(buffer);
1936 return rc;
1937 }
1938 }
1939
1940 static int ME_GetTextRange(ME_TextEditor *editor, TEXTRANGEW *rng, BOOL unicode)
1941 {
1942 if (unicode)
1943 return ME_GetTextW(editor, rng->lpstrText, rng->chrg.cpMin,
1944 rng->chrg.cpMax-rng->chrg.cpMin, 0);
1945 else
1946 {
1947 int nLen = rng->chrg.cpMax-rng->chrg.cpMin;
1948 WCHAR *p = ALLOC_N_OBJ(WCHAR, nLen+1);
1949 int nChars = ME_GetTextW(editor, p, rng->chrg.cpMin, nLen, 0);
1950 /* FIXME this is a potential security hole (buffer overrun)
1951 if you know more about wchar->mbyte conversion please explain
1952 */
1953 WideCharToMultiByte(CP_ACP, 0, p, nChars+1, (char *)rng->lpstrText, nLen+1, NULL, NULL);
1954 FREE_OBJ(p);
1955 return nChars;
1956 }
1957 }
1958
1959 typedef struct tagME_GlobalDestStruct
1960 {
1961 HGLOBAL hData;
1962 int nLength;
1963 } ME_GlobalDestStruct;
1964
1965 static DWORD CALLBACK ME_ReadFromHGLOBALUnicode(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
1966 {
1967 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
1968 int i;
1969 WORD *pSrc, *pDest;
1970
1971 cb = cb >> 1;
1972 pDest = (WORD *)lpBuff;
1973 pSrc = GlobalLock(pData->hData);
1974 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
1975 pDest[i] = pSrc[pData->nLength+i];
1976 }
1977 pData->nLength += i;
1978 *pcb = 2*i;
1979 GlobalUnlock(pData->hData);
1980 return 0;
1981 }
1982
1983 static DWORD CALLBACK ME_ReadFromHGLOBALRTF(DWORD_PTR dwCookie, LPBYTE lpBuff, LONG cb, LONG *pcb)
1984 {
1985 ME_GlobalDestStruct *pData = (ME_GlobalDestStruct *)dwCookie;
1986 int i;
1987 BYTE *pSrc, *pDest;
1988
1989 pDest = lpBuff;
1990 pSrc = GlobalLock(pData->hData);
1991 for (i = 0; i<cb && pSrc[pData->nLength+i]; i++) {
1992 pDest[i] = pSrc[pData->nLength+i];
1993 }
1994 pData->nLength += i;
1995 *pcb = i;
1996 GlobalUnlock(pData->hData);
1997 return 0;
1998 }
1999
2000 static BOOL ME_Paste(ME_TextEditor *editor)
2001 {
2002 DWORD dwFormat = 0;
2003 EDITSTREAM es;
2004 ME_GlobalDestStruct gds;
2005 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
2006 UINT cf = 0;
2007
2008 if (IsClipboardFormatAvailable(nRTFFormat))
2009 cf = nRTFFormat, dwFormat = SF_RTF;
2010 else if (IsClipboardFormatAvailable(CF_UNICODETEXT))
2011 cf = CF_UNICODETEXT, dwFormat = SF_TEXT|SF_UNICODE;
2012 else
2013 return FALSE;
2014
2015 if (!OpenClipboard(editor->hWnd))
2016 return FALSE;
2017 gds.hData = GetClipboardData(cf);
2018 gds.nLength = 0;
2019 es.dwCookie = (DWORD_PTR)&gds;
2020 es.pfnCallback = dwFormat == SF_RTF ? ME_ReadFromHGLOBALRTF : ME_ReadFromHGLOBALUnicode;
2021 ME_StreamIn(editor, dwFormat|SFF_SELECTION, &es, FALSE);
2022
2023 CloseClipboard();
2024 return TRUE;
2025 }
2026
2027 static BOOL ME_Copy(ME_TextEditor *editor, CHARRANGE *range)
2028 {
2029 LPDATAOBJECT dataObj = NULL;
2030 HRESULT hr = S_OK;
2031
2032 if (editor->cPasswordMask)
2033 return FALSE; /* Copying or Cutting masked text isn't allowed */
2034
2035 if(editor->lpOleCallback)
2036 hr = IRichEditOleCallback_GetClipboardData(editor->lpOleCallback, range, RECO_COPY, &dataObj);
2037 if(FAILED(hr) || !dataObj)
2038 hr = ME_GetDataObject(editor, range, &dataObj);
2039 if(SUCCEEDED(hr)) {
2040 hr = OleSetClipboard(dataObj);
2041 IDataObject_Release(dataObj);
2042 }
2043 return SUCCEEDED(hr) != 0;
2044 }
2045
2046 /* helper to send a msg filter notification */
2047 static BOOL
2048 ME_FilterEvent(ME_TextEditor *editor, UINT msg, WPARAM* wParam, LPARAM* lParam)
2049 {
2050 MSGFILTER msgf;
2051
2052 msgf.nmhdr.code = EN_MSGFILTER;
2053 msgf.msg = msg;
2054 msgf.wParam = *wParam;
2055 msgf.lParam = *lParam;
2056 if (ITextHost_TxNotify(editor->texthost, msgf.nmhdr.code, &msgf) == S_OK)
2057 return FALSE;
2058 *wParam = msgf.wParam;
2059 *lParam = msgf.lParam;
2060 msgf.wParam = *wParam;
2061
2062 return TRUE;
2063 }
2064
2065 static void ME_UpdateSelectionLinkAttribute(ME_TextEditor *editor)
2066 {
2067 ME_DisplayItem * startPara, * endPara;
2068 ME_DisplayItem * item;
2069 ME_Cursor cursor;
2070 int from, to;
2071
2072 ME_GetSelection(editor, &from, &to);
2073 if (from > to) from ^= to, to ^=from, from ^= to;
2074 startPara = NULL; endPara = NULL;
2075
2076 /* Find paragraph previous to the one that contains start cursor */
2077 ME_CursorFromCharOfs(editor, from, &cursor);
2078 item = cursor.pRun;
2079 if (item) {
2080 startPara = ME_FindItemBack(item, diParagraph);
2081 item = startPara->member.para.prev_para;
2082 if (item && item->type == diParagraph) startPara = item;
2083 }
2084
2085 /* Find paragraph that contains end cursor */
2086 ME_CursorFromCharOfs(editor, to, &cursor);
2087 item = cursor.pRun;
2088 if (item) {
2089 endPara = ME_FindItemFwd(item, diParagraph);
2090 }
2091
2092 if (startPara && endPara) {
2093 ME_UpdateLinkAttribute(editor,
2094 startPara->member.para.nCharOfs,
2095 endPara->member.para.nCharOfs);
2096 } else if (startPara) {
2097 ME_UpdateLinkAttribute(editor,
2098 startPara->member.para.nCharOfs,
2099 -1);
2100 }
2101 }
2102
2103 static BOOL
2104 ME_KeyDown(ME_TextEditor *editor, WORD nKey)
2105 {
2106 BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
2107 BOOL shift_is_down = GetKeyState(VK_SHIFT) & 0x8000;
2108
2109 if (editor->bMouseCaptured)
2110 return FALSE;
2111 if (nKey != VK_SHIFT && nKey != VK_CONTROL && nKey != VK_MENU)
2112 editor->nSelectionType = stPosition;
2113
2114 switch (nKey)
2115 {
2116 case VK_LEFT:
2117 case VK_RIGHT:
2118 case VK_HOME:
2119 case VK_END:
2120 editor->nUDArrowX = -1;
2121 /* fall through */
2122 case VK_UP:
2123 case VK_DOWN:
2124 case VK_PRIOR:
2125 case VK_NEXT:
2126 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
2127 ME_ArrowKey(editor, nKey, shift_is_down, ctrl_is_down);
2128 return TRUE;
2129 case VK_BACK:
2130 case VK_DELETE:
2131 editor->nUDArrowX = -1;
2132 /* FIXME backspace and delete aren't the same, they act different wrt paragraph style of the merged paragraph */
2133 if (editor->styleFlags & ES_READONLY)
2134 return FALSE;
2135 if (ME_IsSelection(editor))
2136 {
2137 ME_DeleteSelection(editor);
2138 ME_CommitUndo(editor);
2139 }
2140 else if (nKey == VK_DELETE)
2141 {
2142 /* Delete stops group typing.
2143 * (See MSDN remarks on EM_STOPGROUPTYPING message) */
2144 ME_DeleteTextAtCursor(editor, 1, 1);
2145 ME_CommitUndo(editor);
2146 }
2147 else if (ME_ArrowKey(editor, VK_LEFT, FALSE, FALSE))
2148 {
2149 BOOL bDeletionSucceeded;
2150 /* Backspace can be grouped for a single undo */
2151 ME_ContinueCoalescingTransaction(editor);
2152 bDeletionSucceeded = ME_DeleteTextAtCursor(editor, 1, 1);
2153 if (!bDeletionSucceeded && !editor->bEmulateVersion10) { /* v4.1 */
2154 /* Deletion was prevented so the cursor is moved back to where it was.
2155 * (e.g. this happens when trying to delete cell boundaries)
2156 */
2157 ME_ArrowKey(editor, VK_RIGHT, FALSE, FALSE);
2158 }
2159 ME_CommitCoalescingUndo(editor);
2160 }
2161 else
2162 return TRUE;
2163 ME_MoveCursorFromTableRowStartParagraph(editor);
2164 ME_UpdateSelectionLinkAttribute(editor);
2165 ME_UpdateRepaint(editor);
2166 ME_SendRequestResize(editor, FALSE);
2167 return TRUE;
2168 case VK_RETURN:
2169 if (editor->styleFlags & ES_MULTILINE)
2170 {
2171 ME_Cursor cursor = editor->pCursors[0];
2172 ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
2173 int from, to;
2174 const WCHAR endl = '\r';
2175 ME_Style *style;
2176
2177 if (editor->styleFlags & ES_READONLY) {
2178 MessageBeep(MB_ICONERROR);
2179 return TRUE;
2180 }
2181
2182 ME_GetSelection(editor, &from, &to);
2183 if (editor->nTextLimit > ME_GetTextLength(editor) - (to-from))
2184 {
2185 if (!editor->bEmulateVersion10) { /* v4.1 */
2186 if (para->member.para.nFlags & MEPF_ROWEND) {
2187 /* Add a new table row after this row. */
2188 para = ME_AppendTableRow(editor, para);
2189 para = para->member.para.next_para;
2190 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
2191 editor->pCursors[0].nOffset = 0;
2192 editor->pCursors[1] = editor->pCursors[0];
2193 ME_CommitUndo(editor);
2194 ME_CheckTablesForCorruption(editor);
2195 ME_UpdateRepaint(editor);
2196 return TRUE;
2197 }
2198 else if (para == ME_GetParagraph(editor->pCursors[1].pRun) &&
2199 cursor.nOffset + cursor.pRun->member.run.nCharOfs == 0 &&
2200 para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART &&
2201 !para->member.para.prev_para->member.para.nCharOfs)
2202 {
2203 /* Insert a newline before the table. */
2204 para = para->member.para.prev_para;
2205 para->member.para.nFlags &= ~MEPF_ROWSTART;
2206 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
2207 editor->pCursors[1] = editor->pCursors[0];
2208 ME_InsertTextFromCursor(editor, 0, &endl, 1,
2209 editor->pCursors[0].pRun->member.run.style);
2210 para = editor->pBuffer->pFirst->member.para.next_para;
2211 ME_SetDefaultParaFormat(para->member.para.pFmt);
2212 para->member.para.nFlags = MEPF_REWRAP;
2213 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
2214 editor->pCursors[1] = editor->pCursors[0];
2215 para->member.para.next_para->member.para.nFlags |= MEPF_ROWSTART;
2216 ME_CommitCoalescingUndo(editor);
2217 ME_CheckTablesForCorruption(editor);
2218 ME_UpdateRepaint(editor);
2219 return TRUE;
2220 }
2221 } else { /* v1.0 - 3.0 */
2222 ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
2223 if (ME_IsInTable(para))
2224 {
2225 if (cursor.pRun->member.run.nFlags & MERF_ENDPARA)
2226 {
2227 if (from == to) {
2228 ME_ContinueCoalescingTransaction(editor);
2229 para = ME_AppendTableRow(editor, para);
2230 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
2231 editor->pCursors[0].nOffset = 0;
2232 editor->pCursors[1] = editor->pCursors[0];
2233 ME_CommitCoalescingUndo(editor);
2234 ME_UpdateRepaint(editor);
2235 return TRUE;
2236 }
2237 } else {
2238 ME_ContinueCoalescingTransaction(editor);
2239 if (cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
2240 !ME_IsInTable(para->member.para.prev_para))
2241 {
2242 /* Insert newline before table */
2243 cursor.pRun = ME_FindItemBack(para, diRun);
2244 if (cursor.pRun)
2245 editor->pCursors[0].pRun = cursor.pRun;
2246 editor->pCursors[0].nOffset = 0;
2247 editor->pCursors[1] = editor->pCursors[0];
2248 ME_InsertTextFromCursor(editor, 0, &endl, 1,
2249 editor->pCursors[0].pRun->member.run.style);
2250 } else {
2251 editor->pCursors[1] = editor->pCursors[0];
2252 para = ME_AppendTableRow(editor, para);
2253 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
2254 editor->pCursors[0].nOffset = 0;
2255 editor->pCursors[1] = editor->pCursors[0];
2256 }
2257 ME_CommitCoalescingUndo(editor);
2258 ME_UpdateRepaint(editor);
2259 return TRUE;
2260 }
2261 }
2262 }
2263
2264 style = ME_GetInsertStyle(editor, 0);
2265 ME_SaveTempStyle(editor);
2266 ME_ContinueCoalescingTransaction(editor);
2267 if (shift_is_down)
2268 ME_InsertEndRowFromCursor(editor, 0);
2269 else
2270 ME_InsertTextFromCursor(editor, 0, &endl, 1, style);
2271 ME_ReleaseStyle(style);
2272 ME_CommitCoalescingUndo(editor);
2273 SetCursor(NULL);
2274
2275 if (editor->AutoURLDetect_bEnable)
2276 ME_UpdateSelectionLinkAttribute(editor);
2277
2278 ME_UpdateRepaint(editor);
2279 }
2280 return TRUE;
2281 }
2282 break;
2283 case 'A':
2284 if (ctrl_is_down)
2285 {
2286 ME_SetSelection(editor, 0, -1);
2287 return TRUE;
2288 }
2289 break;
2290 case 'V':
2291 if (ctrl_is_down)
2292 return ME_Paste(editor);
2293 break;
2294 case 'C':
2295 case 'X':
2296 if (ctrl_is_down)
2297 {
2298 CHARRANGE range;
2299 BOOL result;
2300
2301 ME_GetSelection(editor, &range.cpMin, &range.cpMax);
2302 result = ME_Copy(editor, &range);
2303 if (result && nKey == 'X')
2304 {
2305 ME_InternalDeleteText(editor, range.cpMin, range.cpMax-range.cpMin, FALSE);
2306 ME_CommitUndo(editor);
2307 ME_UpdateRepaint(editor);
2308 }
2309 return result;
2310 }
2311 break;
2312 case 'Z':
2313 if (ctrl_is_down)
2314 {
2315 ME_Undo(editor);
2316 return TRUE;
2317 }
2318 break;
2319 case 'Y':
2320 if (ctrl_is_down)
2321 {
2322 ME_Redo(editor);
2323 return TRUE;
2324 }
2325 break;
2326
2327 default:
2328 if (nKey != VK_SHIFT && nKey != VK_CONTROL && nKey && nKey != VK_MENU)
2329 editor->nUDArrowX = -1;
2330 if (ctrl_is_down)
2331 {
2332 if (nKey == 'W')
2333 {
2334 CHARFORMAT2W chf;
2335 char buf[2048];
2336 chf.cbSize = sizeof(chf);
2337
2338 ME_GetSelectionCharFormat(editor, &chf);
2339 ME_DumpStyleToBuf(&chf, buf);
2340 MessageBoxA(NULL, buf, "Style dump", MB_OK);
2341 }
2342 if (nKey == 'Q')
2343 {
2344 ME_CheckCharOffsets(editor);
2345 }
2346 }
2347 }
2348 return FALSE;
2349 }
2350
2351 static LRESULT ME_Char(ME_TextEditor *editor, WPARAM charCode,
2352 LPARAM flags, BOOL unicode)
2353 {
2354 WCHAR wstr;
2355
2356 if (editor->bMouseCaptured)
2357 return 0;
2358
2359 if (unicode)
2360 wstr = (WCHAR)charCode;
2361 else
2362 {
2363 CHAR charA = charCode;
2364 MultiByteToWideChar(CP_ACP, 0, &charA, 1, &wstr, 1);
2365 }
2366
2367 if (editor->styleFlags & ES_READONLY) {
2368 MessageBeep(MB_ICONERROR);
2369 return 0; /* FIXME really 0 ? */
2370 }
2371
2372 if ((unsigned)wstr >= ' ' || wstr == '\t')
2373 {
2374 ME_Cursor cursor = editor->pCursors[0];
2375 ME_DisplayItem *para = ME_GetParagraph(cursor.pRun);
2376 int from, to;
2377 BOOL ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
2378 ME_GetSelection(editor, &from, &to);
2379 if (wstr == '\t' &&
2380 /* v4.1 allows tabs to be inserted with ctrl key down */
2381 !(ctrl_is_down && !editor->bEmulateVersion10))
2382 {
2383 ME_DisplayItem *para;
2384 BOOL bSelectedRow = FALSE;
2385
2386 para = ME_GetParagraph(cursor.pRun);
2387 if (ME_IsSelection(editor) &&
2388 cursor.pRun->member.run.nCharOfs + cursor.nOffset == 0 &&
2389 to == ME_GetCursorOfs(editor, 0) &&
2390 para->member.para.prev_para->type == diParagraph)
2391 {
2392 para = para->member.para.prev_para;
2393 bSelectedRow = TRUE;
2394 }
2395 if (ME_IsInTable(para))
2396 {
2397 ME_TabPressedInTable(editor, bSelectedRow);
2398 ME_CommitUndo(editor);
2399 return 0;
2400 }
2401 } else if (!editor->bEmulateVersion10) { /* v4.1 */
2402 if (para->member.para.nFlags & MEPF_ROWEND) {
2403 if (from == to) {
2404 para = para->member.para.next_para;
2405 if (para->member.para.nFlags & MEPF_ROWSTART)
2406 para = para->member.para.next_para;
2407 editor->pCursors[0].pRun = ME_FindItemFwd(para, diRun);
2408 editor->pCursors[0].nOffset = 0;
2409 editor->pCursors[1] = editor->pCursors[0];
2410 }
2411 }
2412 } else { /* v1.0 - 3.0 */
2413 if (ME_IsInTable(cursor.pRun) &&
2414 cursor.pRun->member.run.nFlags & MERF_ENDPARA &&
2415 from == to)
2416 {
2417 /* Text should not be inserted at the end of the table. */
2418 MessageBeep(-1);
2419 return 0;
2420 }
2421 }
2422 /* FIXME maybe it would make sense to call EM_REPLACESEL instead ? */
2423 /* WM_CHAR is restricted to nTextLimit */
2424 if(editor->nTextLimit > ME_GetTextLength(editor) - (to-from))
2425 {
2426 ME_Style *style = ME_GetInsertStyle(editor, 0);
2427 ME_SaveTempStyle(editor);
2428 ME_ContinueCoalescingTransaction(editor);
2429 ME_InsertTextFromCursor(editor, 0, &wstr, 1, style);
2430 ME_ReleaseStyle(style);
2431 ME_CommitCoalescingUndo(editor);
2432 ITextHost_TxSetCursor(editor->texthost, NULL, FALSE);
2433 }
2434
2435 if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
2436
2437 ME_UpdateRepaint(editor);
2438 }
2439 return 0;
2440 }
2441
2442 /* Process the message and calculate the new click count.
2443 *
2444 * returns: The click count if it is mouse down event, else returns 0. */
2445 static int ME_CalculateClickCount(ME_TextEditor *editor, UINT msg, WPARAM wParam,
2446 LPARAM lParam)
2447 {
2448 static int clickNum = 0;
2449 if (msg < WM_MOUSEFIRST || msg > WM_MOUSELAST)
2450 return 0;
2451
2452 if ((msg == WM_LBUTTONDBLCLK) ||
2453 (msg == WM_RBUTTONDBLCLK) ||
2454 (msg == WM_MBUTTONDBLCLK) ||
2455 (msg == WM_XBUTTONDBLCLK))
2456 {
2457 msg -= (WM_LBUTTONDBLCLK - WM_LBUTTONDOWN);
2458 }
2459
2460 if ((msg == WM_LBUTTONDOWN) ||
2461 (msg == WM_RBUTTONDOWN) ||
2462 (msg == WM_MBUTTONDOWN) ||
2463 (msg == WM_XBUTTONDOWN))
2464 {
2465 static MSG prevClickMsg;
2466 MSG clickMsg;
2467 /* Compare the editor instead of the hwnd so that the this
2468 * can still be done for windowless richedit controls. */
2469 clickMsg.hwnd = (HWND)editor;
2470 clickMsg.message = msg;
2471 clickMsg.wParam = wParam;
2472 clickMsg.lParam = lParam;
2473 clickMsg.time = GetMessageTime();
2474 clickMsg.pt.x = (short)LOWORD(lParam);
2475 clickMsg.pt.y = (short)HIWORD(lParam);
2476 if ((clickNum != 0) &&
2477 (clickMsg.message == prevClickMsg.message) &&
2478 (clickMsg.hwnd == prevClickMsg.hwnd) &&
2479 (clickMsg.wParam == prevClickMsg.wParam) &&
2480 (clickMsg.time - prevClickMsg.time < GetDoubleClickTime()) &&
2481 (abs(clickMsg.pt.x - prevClickMsg.pt.x) < GetSystemMetrics(SM_CXDOUBLECLK)/2) &&
2482 (abs(clickMsg.pt.y - prevClickMsg.pt.y) < GetSystemMetrics(SM_CYDOUBLECLK)/2))
2483 {
2484 clickNum++;
2485 } else {
2486 clickNum = 1;
2487 }
2488 prevClickMsg = clickMsg;
2489 } else {
2490 return 0;
2491 }
2492 return clickNum;
2493 }
2494
2495 static BOOL ME_SetCursor(ME_TextEditor *editor)
2496 {
2497 POINT pt;
2498 BOOL isExact;
2499 int offset;
2500 SCROLLBARINFO sbi;
2501 DWORD messagePos = GetMessagePos();
2502 pt.x = (short)LOWORD(messagePos);
2503 pt.y = (short)HIWORD(messagePos);
2504
2505 if (editor->hWnd)
2506 {
2507 sbi.cbSize = sizeof(sbi);
2508 GetScrollBarInfo(editor->hWnd, OBJID_HSCROLL, &sbi);
2509 if (!(sbi.rgstate[0] & (STATE_SYSTEM_INVISIBLE|STATE_SYSTEM_OFFSCREEN)) &&
2510 PtInRect(&sbi.rcScrollBar, pt))
2511 {
2512 ITextHost_TxSetCursor(editor->texthost,
2513 LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE);
2514 return TRUE;
2515 }
2516 sbi.cbSize = sizeof(sbi);
2517 GetScrollBarInfo(editor->hWnd, OBJID_VSCROLL, &sbi);
2518 if (!(sbi.rgstate[0] & (STATE_SYSTEM_INVISIBLE|STATE_SYSTEM_OFFSCREEN)) &&
2519 PtInRect(&sbi.rcScrollBar, pt))
2520 {
2521 ITextHost_TxSetCursor(editor->texthost,
2522 LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE);
2523 return TRUE;
2524 }
2525 }
2526 ITextHost_TxScreenToClient(editor->texthost, &pt);
2527
2528 if (editor->nSelectionType == stLine && editor->bMouseCaptured) {
2529 ITextHost_TxSetCursor(editor->texthost, hLeft, FALSE);
2530 return TRUE;
2531 }
2532 if (!editor->bEmulateVersion10 /* v4.1 */ &&
2533 pt.y < editor->rcFormat.top &&
2534 pt.x < editor->rcFormat.left)
2535 {
2536 ITextHost_TxSetCursor(editor->texthost, hLeft, FALSE);
2537 return TRUE;
2538 }
2539 if (pt.y < editor->rcFormat.top || pt.y > editor->rcFormat.bottom)
2540 {
2541 if (editor->bEmulateVersion10) /* v1.0 - 3.0 */
2542 ITextHost_TxSetCursor(editor->texthost,
2543 LoadCursorW(NULL, (WCHAR*)IDC_ARROW), FALSE);
2544 else /* v4.1 */
2545 ITextHost_TxSetCursor(editor->texthost,
2546 LoadCursorW(NULL, (WCHAR*)IDC_IBEAM), TRUE);
2547 return TRUE;
2548 }
2549 if (pt.x < editor->rcFormat.left)
2550 {
2551 ITextHost_TxSetCursor(editor->texthost, hLeft, FALSE);
2552 return TRUE;
2553 }
2554 offset = ME_CharFromPos(editor, pt.x, pt.y, &isExact);
2555 if (isExact)
2556 {
2557 if (editor->AutoURLDetect_bEnable)
2558 {
2559 ME_Cursor cursor;
2560 ME_Run *run;
2561 ME_CursorFromCharOfs(editor, offset, &cursor);
2562 run = &cursor.pRun->member.run;
2563 if (editor->AutoURLDetect_bEnable &&
2564 run->style->fmt.dwMask & CFM_LINK &&
2565 run->style->fmt.dwEffects & CFE_LINK)
2566 {
2567 ITextHost_TxSetCursor(editor->texthost,
2568 LoadCursorW(NULL, (WCHAR*)IDC_HAND),
2569 FALSE);
2570 return TRUE;
2571 }
2572 }
2573 if (ME_IsSelection(editor))
2574 {
2575 int selStart, selEnd;
2576 ME_GetSelection(editor, &selStart, &selEnd);
2577 if (selStart <= offset && selEnd >= offset) {
2578 ITextHost_TxSetCursor(editor->texthost,
2579 LoadCursorW(NULL, (WCHAR*)IDC_ARROW),
2580 FALSE);
2581 return TRUE;
2582 }
2583 }
2584 }
2585 ITextHost_TxSetCursor(editor->texthost,
2586 LoadCursorW(NULL, (WCHAR*)IDC_IBEAM), TRUE);
2587 return TRUE;
2588 }
2589
2590 static void ME_SetDefaultFormatRect(ME_TextEditor *editor)
2591 {
2592 ITextHost_TxGetClientRect(editor->texthost, &editor->rcFormat);
2593 editor->rcFormat.top += editor->exStyleFlags & WS_EX_CLIENTEDGE ? 1 : 0;
2594 editor->rcFormat.left += 1 + editor->selofs;
2595 editor->rcFormat.right -= 1;
2596 }
2597
2598 static BOOL ME_ShowContextMenu(ME_TextEditor *editor, int x, int y)
2599 {
2600 CHARRANGE selrange;
2601 HMENU menu;
2602 int seltype = 0;
2603 if(!editor->lpOleCallback || !editor->hWnd)
2604 return FALSE;
2605 ME_GetSelection(editor, &selrange.cpMin, &selrange.cpMax);
2606 if(selrange.cpMin == selrange.cpMax)
2607 seltype |= SEL_EMPTY;
2608 else
2609 {
2610 /* FIXME: Handle objects */
2611 seltype |= SEL_TEXT;
2612 if(selrange.cpMax-selrange.cpMin > 1)
2613 seltype |= SEL_MULTICHAR;
2614 }
2615 if(SUCCEEDED(IRichEditOleCallback_GetContextMenu(editor->lpOleCallback, seltype, NULL, &selrange, &menu)))
2616 {
2617 TrackPopupMenu(menu, TPM_LEFTALIGN | TPM_RIGHTBUTTON, x, y, 0, GetParent(editor->hWnd), NULL);
2618 DestroyMenu(menu);
2619 }
2620 return TRUE;
2621 }
2622
2623 ME_TextEditor *ME_MakeEditor(ITextHost *texthost, BOOL bEmulateVersion10)
2624 {
2625 ME_TextEditor *ed = ALLOC_OBJ(ME_TextEditor);
2626 int i;
2627 DWORD props;
2628 LONG selbarwidth;
2629
2630 ed->hWnd = NULL;
2631 ed->texthost = texthost;
2632 ed->bEmulateVersion10 = bEmulateVersion10;
2633 ITextHost_TxGetPropertyBits(texthost,
2634 (TXTBIT_RICHTEXT|TXTBIT_MULTILINE|
2635 TXTBIT_READONLY|TXTBIT_USEPASSWORD|
2636 TXTBIT_HIDESELECTION|TXTBIT_SAVESELECTION|
2637 TXTBIT_AUTOWORDSEL|TXTBIT_VERTICAL|
2638 TXTBIT_WORDWRAP|TXTBIT_DISABLEDRAG),
2639 &props);
2640 ITextHost_TxGetScrollBars(texthost, &ed->styleFlags);
2641 ed->styleFlags &= (WS_VSCROLL|WS_HSCROLL|ES_AUTOVSCROLL|
2642 ES_AUTOHSCROLL|ES_DISABLENOSCROLL);
2643 ed->pBuffer = ME_MakeText();
2644 ed->nZoomNumerator = ed->nZoomDenominator = 0;
2645 ME_MakeFirstParagraph(ed);
2646 /* The four cursors are for:
2647 * 0 - The position where the caret is shown
2648 * 1 - The anchored end of the selection (for normal selection)
2649 * 2 & 3 - The anchored start and end respectively for word, line,
2650 * or paragraph selection.
2651 */
2652 ed->nCursors = 4;
2653 ed->pCursors = ALLOC_N_OBJ(ME_Cursor, ed->nCursors);
2654 ed->pCursors[0].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
2655 ed->pCursors[0].nOffset = 0;
2656 ed->pCursors[1].pRun = ME_FindItemFwd(ed->pBuffer->pFirst, diRun);
2657 ed->pCursors[1].nOffset = 0;
2658 ed->pCursors[2] = ed->pCursors[0];
2659 ed->pCursors[3] = ed->pCursors[1];
2660 ed->nLastTotalLength = ed->nTotalLength = 0;
2661 ed->nLastTotalWidth = ed->nTotalWidth = 0;
2662 ed->nUDArrowX = -1;
2663 ed->nSequence = 0;
2664 ed->rgbBackColor = -1;
2665 ed->hbrBackground = GetSysColorBrush(COLOR_WINDOW);
2666 ed->bCaretAtEnd = FALSE;
2667 ed->nEventMask = 0;
2668 ed->nModifyStep = 0;
2669 ed->nTextLimit = TEXT_LIMIT_DEFAULT;
2670 ed->pUndoStack = ed->pRedoStack = ed->pUndoStackBottom = NULL;
2671 ed->nUndoStackSize = 0;
2672 ed->nUndoLimit = STACK_SIZE_DEFAULT;
2673 ed->nUndoMode = umAddToUndo;
2674 ed->nParagraphs = 1;
2675 ed->nLastSelStart = ed->nLastSelEnd = 0;
2676 ed->pLastSelStartPara = ed->pLastSelEndPara = ME_FindItemFwd(ed->pBuffer->pFirst, diParagraph);
2677 ed->bWordWrap = (props & TXTBIT_WORDWRAP) != 0;
2678 ed->bHideSelection = FALSE;
2679 ed->pfnWordBreak = NULL;
2680 ed->lpOleCallback = NULL;
2681 ed->mode = TM_MULTILEVELUNDO | TM_MULTICODEPAGE;
2682 ed->mode |= (props & TXTBIT_RICHTEXT) ? TM_RICHTEXT : TM_PLAINTEXT;
2683 ed->AutoURLDetect_bEnable = FALSE;
2684 ed->bHaveFocus = FALSE;
2685 ed->bMouseCaptured = FALSE;
2686 for (i=0; i<HFONT_CACHE_SIZE; i++)
2687 {
2688 ed->pFontCache[i].nRefs = 0;
2689 ed->pFontCache[i].nAge = 0;
2690 ed->pFontCache[i].hFont = NULL;
2691 }
2692
2693 ME_CheckCharOffsets(ed);
2694 ed->bDefaultFormatRect = TRUE;
2695 ITextHost_TxGetSelectionBarWidth(ed->texthost, &selbarwidth);
2696 /* FIXME: Convert selbarwidth from HIMETRIC to pixels */
2697 ed->selofs = selbarwidth ? SELECTIONBAR_WIDTH : 0;
2698 ed->nSelectionType = stPosition;
2699
2700 ed->cPasswordMask = 0;
2701 if (props & TXTBIT_USEPASSWORD)
2702 ITextHost_TxGetPasswordChar(texthost, &ed->cPasswordMask);
2703
2704 if (props & TXTBIT_AUTOWORDSEL)
2705 ed->styleFlags |= ECO_AUTOWORDSELECTION;
2706 if (props & TXTBIT_MULTILINE)
2707 ed->styleFlags |= ES_MULTILINE;
2708 if (props & TXTBIT_READONLY)
2709 ed->styleFlags |= ES_READONLY;
2710 if (!(props & TXTBIT_HIDESELECTION))
2711 ed->styleFlags |= ES_NOHIDESEL;
2712 if (props & TXTBIT_SAVESELECTION)
2713 ed->styleFlags |= ES_SAVESEL;
2714 if (props & TXTBIT_VERTICAL)
2715 ed->styleFlags |= ES_VERTICAL;
2716 if (props & TXTBIT_DISABLEDRAG)
2717 ed->styleFlags |= ES_NOOLEDRAGDROP;
2718
2719 ed->notified_cr.cpMin = ed->notified_cr.cpMax = 0;
2720
2721 /* Default scrollbar information */
2722 ed->vert_si.cbSize = sizeof(SCROLLINFO);
2723 ed->vert_si.nMin = 0;
2724 ed->vert_si.nMax = 0;
2725 ed->vert_si.nPage = 0;
2726 ed->vert_si.nPos = 0;
2727
2728 ed->horz_si.cbSize = sizeof(SCROLLINFO);
2729 ed->horz_si.nMin = 0;
2730 ed->horz_si.nMax = 0;
2731 ed->horz_si.nPage = 0;
2732 ed->horz_si.nPos = 0;
2733
2734 OleInitialize(NULL);
2735
2736 return ed;
2737 }
2738
2739 static void ME_DestroyEditor(ME_TextEditor *editor)
2740 {
2741 ME_DisplayItem *pFirst = editor->pBuffer->pFirst;
2742 ME_DisplayItem *p = pFirst, *pNext = NULL;
2743 int i;
2744
2745 ME_ClearTempStyle(editor);
2746 ME_EmptyUndoStack(editor);
2747 while(p) {
2748 pNext = p->next;
2749 ME_DestroyDisplayItem(p);
2750 p = pNext;
2751 }
2752 ME_ReleaseStyle(editor->pBuffer->pDefaultStyle);
2753 for (i=0; i<HFONT_CACHE_SIZE; i++)
2754 {
2755 if (editor->pFontCache[i].hFont)
2756 DeleteObject(editor->pFontCache[i].hFont);
2757 }
2758 if (editor->rgbBackColor != -1)
2759 DeleteObject(editor->hbrBackground);
2760 if(editor->lpOleCallback)
2761 IUnknown_Release(editor->lpOleCallback);
2762 IUnknown_Release(editor->texthost);
2763 OleUninitialize();
2764
2765 FREE_OBJ(editor->pBuffer);
2766 FREE_OBJ(editor->pCursors);
2767
2768 FREE_OBJ(editor);
2769 }
2770
2771 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
2772 {
2773 TRACE("\n");
2774 switch (fdwReason)
2775 {
2776 case DLL_PROCESS_ATTACH:
2777 DisableThreadLibraryCalls(hinstDLL);
2778 me_heap = HeapCreate (0, 0x10000, 0);
2779 if (!ME_RegisterEditorClass(hinstDLL)) return FALSE;
2780 hLeft = LoadCursorW(hinstDLL, MAKEINTRESOURCEW(OCR_REVERSE));
2781 LookupInit();
2782 break;
2783
2784 case DLL_PROCESS_DETACH:
2785 UnregisterClassW(RichEdit20W, 0);
2786 UnregisterClassW(RichEdit50W, 0);
2787 UnregisterClassA("RichEdit20A", 0);
2788 UnregisterClassA("RichEdit50A", 0);
2789 if (ME_ListBoxRegistered)
2790 UnregisterClassW(REListBox20W, 0);
2791 if (ME_ComboBoxRegistered)
2792 UnregisterClassW(REComboBox20W, 0);
2793 LookupCleanup();
2794 HeapDestroy (me_heap);
2795 me_heap = NULL;
2796 break;
2797 }
2798 return TRUE;
2799 }
2800
2801
2802 static const char * const edit_messages[] = {
2803 "EM_GETSEL",
2804 "EM_SETSEL",
2805 "EM_GETRECT",
2806 "EM_SETRECT",
2807 "EM_SETRECTNP",
2808 "EM_SCROLL",
2809 "EM_LINESCROLL",
2810 "EM_SCROLLCARET",
2811 "EM_GETMODIFY",
2812 "EM_SETMODIFY",
2813 "EM_GETLINECOUNT",
2814 "EM_LINEINDEX",
2815 "EM_SETHANDLE",
2816 "EM_GETHANDLE",
2817 "EM_GETTHUMB",
2818 "EM_UNKNOWN_BF",
2819 "EM_UNKNOWN_C0",
2820 "EM_LINELENGTH",
2821 "EM_REPLACESEL",
2822 "EM_UNKNOWN_C3",
2823 "EM_GETLINE",
2824 "EM_LIMITTEXT",
2825 "EM_CANUNDO",
2826 "EM_UNDO",
2827 "EM_FMTLINES",
2828 "EM_LINEFROMCHAR",
2829 "EM_UNKNOWN_CA",
2830 "EM_SETTABSTOPS",
2831 "EM_SETPASSWORDCHAR",
2832 "EM_EMPTYUNDOBUFFER",
2833 "EM_GETFIRSTVISIBLELINE",
2834 "EM_SETREADONLY",
2835 "EM_SETWORDBREAKPROC",
2836 "EM_GETWORDBREAKPROC",
2837 "EM_GETPASSWORDCHAR",
2838 "EM_SETMARGINS",
2839 "EM_GETMARGINS",
2840 "EM_GETLIMITTEXT",
2841 "EM_POSFROMCHAR",
2842 "EM_CHARFROMPOS",
2843 "EM_SETIMESTATUS",
2844 "EM_GETIMESTATUS"
2845 };
2846
2847 static const char * const richedit_messages[] = {
2848 "EM_CANPASTE",
2849 "EM_DISPLAYBAND",
2850 "EM_EXGETSEL",
2851 "EM_EXLIMITTEXT",
2852 "EM_EXLINEFROMCHAR",
2853 "EM_EXSETSEL",
2854 "EM_FINDTEXT",
2855 "EM_FORMATRANGE",
2856 "EM_GETCHARFORMAT",
2857 "EM_GETEVENTMASK",
2858 "EM_GETOLEINTERFACE",
2859 "EM_GETPARAFORMAT",
2860 "EM_GETSELTEXT",
2861 "EM_HIDESELECTION",
2862 "EM_PASTESPECIAL",
2863 "EM_REQUESTRESIZE",
2864 "EM_SELECTIONTYPE",
2865 "EM_SETBKGNDCOLOR",
2866 "EM_SETCHARFORMAT",
2867 "EM_SETEVENTMASK",
2868 "EM_SETOLECALLBACK",
2869 "EM_SETPARAFORMAT",
2870 "EM_SETTARGETDEVICE",
2871 "EM_STREAMIN",
2872 "EM_STREAMOUT",
2873 "EM_GETTEXTRANGE",
2874 "EM_FINDWORDBREAK",
2875 "EM_SETOPTIONS",
2876 "EM_GETOPTIONS",
2877 "EM_FINDTEXTEX",
2878 "EM_GETWORDBREAKPROCEX",
2879 "EM_SETWORDBREAKPROCEX",
2880 "EM_SETUNDOLIMIT",
2881 "EM_UNKNOWN_USER_83",
2882 "EM_REDO",
2883 "EM_CANREDO",
2884 "EM_GETUNDONAME",
2885 "EM_GETREDONAME",
2886 "EM_STOPGROUPTYPING",
2887 "EM_SETTEXTMODE",
2888 "EM_GETTEXTMODE",
2889 "EM_AUTOURLDETECT",
2890 "EM_GETAUTOURLDETECT",
2891 "EM_SETPALETTE",
2892 "EM_GETTEXTEX",
2893 "EM_GETTEXTLENGTHEX",
2894 "EM_SHOWSCROLLBAR",
2895 "EM_SETTEXTEX",
2896 "EM_UNKNOWN_USER_98",
2897 "EM_UNKNOWN_USER_99",
2898 "EM_SETPUNCTUATION",
2899 "EM_GETPUNCTUATION",
2900 "EM_SETWORDWRAPMODE",
2901 "EM_GETWORDWRAPMODE",
2902 "EM_SETIMECOLOR",
2903 "EM_GETIMECOLOR",
2904 "EM_SETIMEOPTIONS",
2905 "EM_GETIMEOPTIONS",
2906 "EM_CONVPOSITION",
2907 "EM_UNKNOWN_USER_109",
2908 "EM_UNKNOWN_USER_110",
2909 "EM_UNKNOWN_USER_111",
2910 "EM_UNKNOWN_USER_112",
2911 "EM_UNKNOWN_USER_113",
2912 "EM_UNKNOWN_USER_114",
2913 "EM_UNKNOWN_USER_115",
2914 "EM_UNKNOWN_USER_116",
2915 "EM_UNKNOWN_USER_117",
2916 "EM_UNKNOWN_USER_118",
2917 "EM_UNKNOWN_USER_119",
2918 "EM_SETLANGOPTIONS",
2919 "EM_GETLANGOPTIONS",
2920 "EM_GETIMECOMPMODE",
2921 "EM_FINDTEXTW",
2922 "EM_FINDTEXTEXW",
2923 "EM_RECONVERSION",
2924 "EM_SETIMEMODEBIAS",
2925 "EM_GETIMEMODEBIAS"
2926 };
2927
2928 static const char *
2929 get_msg_name(UINT msg)
2930 {
2931 if (msg >= EM_GETSEL && msg <= EM_CHARFROMPOS)
2932 return edit_messages[msg - EM_GETSEL];
2933 if (msg >= EM_CANPASTE && msg <= EM_GETIMEMODEBIAS)
2934 return richedit_messages[msg - EM_CANPASTE];
2935 return "";
2936 }
2937
2938 void ME_LinkNotify(ME_TextEditor *editor, UINT msg, WPARAM wParam, LPARAM lParam)
2939 {
2940 int x,y;
2941 ME_Cursor tmpCursor;
2942 BOOL isExact;
2943 int nCharOfs; /* The start of the clicked text. Absolute character offset */
2944
2945 ME_Run *tmpRun;
2946
2947 ENLINK info;
2948 x = (short)LOWORD(lParam);
2949 y = (short)HIWORD(lParam);
2950 nCharOfs = ME_CharFromPos(editor, x, y, &isExact);
2951 if (!isExact) return;
2952
2953 ME_CursorFromCharOfs(editor, nCharOfs, &tmpCursor);
2954 tmpRun = &tmpCursor.pRun->member.run;
2955
2956 if ((tmpRun->style->fmt.dwMask & CFM_LINK)
2957 && (tmpRun->style->fmt.dwEffects & CFE_LINK))
2958 { /* The clicked run has CFE_LINK set */
2959 info.nmhdr.hwndFrom = editor->hWnd;
2960 info.nmhdr.idFrom = GetWindowLongW(editor->hWnd, GWLP_ID);
2961 info.nmhdr.code = EN_LINK;
2962 info.msg = msg;
2963 info.wParam = wParam;
2964 info.lParam = lParam;
2965 info.chrg.cpMin = ME_CharOfsFromRunOfs(editor,tmpCursor.pRun,0);
2966 info.chrg.cpMax = info.chrg.cpMin + ME_StrVLen(tmpRun->strText);
2967 SendMessageW(GetParent(editor->hWnd), WM_NOTIFY,info.nmhdr.idFrom, (LPARAM)&info);
2968 }
2969 }
2970
2971 #define UNSUPPORTED_MSG(e) \
2972 case e: \
2973 FIXME(#e ": stub\n"); \
2974 *phresult = S_FALSE; \
2975 return 0;
2976
2977 /* Handle messages for windowless and windoweded richedit controls.
2978 *
2979 * The LRESULT that is returned is a return value for window procs,
2980 * and the phresult parameter is the COM return code needed by the
2981 * text services interface. */
2982 LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
2983 LPARAM lParam, BOOL unicode, HRESULT* phresult)
2984 {
2985 *phresult = S_OK;
2986
2987 switch(msg) {
2988
2989 UNSUPPORTED_MSG(EM_DISPLAYBAND)
2990 UNSUPPORTED_MSG(EM_FINDWORDBREAK)
2991 UNSUPPORTED_MSG(EM_FMTLINES)
2992 UNSUPPORTED_MSG(EM_FORMATRANGE)
2993 UNSUPPORTED_MSG(EM_GETBIDIOPTIONS)
2994 UNSUPPORTED_MSG(EM_GETEDITSTYLE)
2995 UNSUPPORTED_MSG(EM_GETIMECOMPMODE)
2996 UNSUPPORTED_MSG(EM_GETIMESTATUS)
2997 UNSUPPORTED_MSG(EM_SETIMESTATUS)
2998 UNSUPPORTED_MSG(EM_GETLANGOPTIONS)
2999 UNSUPPORTED_MSG(EM_GETREDONAME)
3000 UNSUPPORTED_MSG(EM_GETTYPOGRAPHYOPTIONS)
3001 UNSUPPORTED_MSG(EM_GETUNDONAME)
3002 UNSUPPORTED_MSG(EM_GETWORDBREAKPROCEX)
3003 UNSUPPORTED_MSG(EM_PASTESPECIAL)
3004 UNSUPPORTED_MSG(EM_SELECTIONTYPE)
3005 UNSUPPORTED_MSG(EM_SETBIDIOPTIONS)
3006 UNSUPPORTED_MSG(EM_SETEDITSTYLE)
3007 UNSUPPORTED_MSG(EM_SETFONTSIZE)
3008 UNSUPPORTED_MSG(EM_SETLANGOPTIONS)
3009 UNSUPPORTED_MSG(EM_SETMARGINS)
3010 UNSUPPORTED_MSG(EM_SETPALETTE)
3011 UNSUPPORTED_MSG(EM_SETTABSTOPS)
3012 UNSUPPORTED_MSG(EM_SETTYPOGRAPHYOPTIONS)
3013 UNSUPPORTED_MSG(EM_SETWORDBREAKPROCEX)
3014 UNSUPPORTED_MSG(WM_STYLECHANGING)
3015 UNSUPPORTED_MSG(WM_STYLECHANGED)
3016
3017 /* Messages specific to Richedit controls */
3018
3019 case EM_STREAMIN:
3020 return ME_StreamIn(editor, wParam, (EDITSTREAM*)lParam, TRUE);
3021 case EM_STREAMOUT:
3022 return ME_StreamOut(editor, wParam, (EDITSTREAM *)lParam);
3023 case WM_GETDLGCODE:
3024 {
3025 UINT code = DLGC_WANTCHARS|DLGC_WANTTAB|DLGC_WANTARROWS|DLGC_HASSETSEL;
3026 if (editor->styleFlags & ES_MULTILINE)
3027 code |= DLGC_WANTMESSAGE;
3028 return code;
3029 }
3030 case EM_EMPTYUNDOBUFFER:
3031 ME_EmptyUndoStack(editor);
3032 return 0;
3033 case EM_GETSEL:
3034 {
3035 /* Note: wParam/lParam can be NULL */
3036 UINT from, to;
3037 PUINT pfrom = wParam ? (PUINT)wParam : &from;
3038 PUINT pto = lParam ? (PUINT)lParam : &to;
3039 ME_GetSelection(editor, (int *)pfrom, (int *)pto);
3040 if ((*pfrom|*pto) & 0xFFFF0000)
3041 return -1;
3042 return MAKELONG(*pfrom,*pto);
3043 }
3044 case EM_EXGETSEL:
3045 {
3046 CHARRANGE *pRange = (CHARRANGE *)lParam;
3047 ME_GetSelection(editor, &pRange->cpMin, &pRange->cpMax);
3048 TRACE("EM_EXGETSEL = (%d,%d)\n", pRange->cpMin, pRange->cpMax);
3049 return 0;
3050 }
3051 case EM_SETUNDOLIMIT:
3052 {
3053 if ((int)wParam < 0)
3054 editor->nUndoLimit = STACK_SIZE_DEFAULT;
3055 else
3056 editor->nUndoLimit = min(wParam, STACK_SIZE_MAX);
3057 /* Setting a max stack size keeps wine from getting killed
3058 for hogging memory. Windows allocates all this memory at once, so
3059 no program would realistically set a value above our maximum. */
3060 return editor->nUndoLimit;
3061 }
3062 case EM_CANUNDO:
3063 return editor->pUndoStack != NULL;
3064 case EM_CANREDO:
3065 return editor->pRedoStack != NULL;
3066 case WM_UNDO: /* FIXME: actually not the same */
3067 case EM_UNDO:
3068 return ME_Undo(editor);
3069 case EM_REDO:
3070 return ME_Redo(editor);
3071 case EM_GETOPTIONS:
3072 {
3073 /* these flags are equivalent to the ES_* counterparts */
3074 DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL |
3075 ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN | ECO_SELECTIONBAR;
3076 DWORD settings = editor->styleFlags & mask;
3077
3078 return settings;
3079 }
3080 case EM_SETOPTIONS:
3081 {
3082 /* these flags are equivalent to ES_* counterparts, except for
3083 * ECO_AUTOWORDSELECTION that doesn't have an ES_* counterpart,
3084 * but is still stored in editor->styleFlags. */
3085 const DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL |
3086 ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN |
3087 ECO_SELECTIONBAR | ECO_AUTOWORDSELECTION;
3088 DWORD settings = mask & editor->styleFlags;
3089 DWORD oldSettings = settings;
3090 DWORD changedSettings;
3091
3092 switch(wParam)
3093 {
3094 case ECOOP_SET:
3095 settings = lParam;
3096 break;
3097 case ECOOP_OR:
3098 settings |= lParam;
3099 break;
3100 case ECOOP_AND:
3101 settings &= lParam;
3102 break;
3103 case ECOOP_XOR:
3104 settings ^= lParam;
3105 }
3106 changedSettings = oldSettings ^ settings;
3107
3108 if (oldSettings ^ settings) {
3109 editor->styleFlags = (editor->styleFlags & ~mask) | (settings & mask);
3110
3111 if (settings & ECO_SELECTIONBAR) {
3112 editor->selofs = SELECTIONBAR_WIDTH;
3113 editor->rcFormat.left += SELECTIONBAR_WIDTH;
3114 } else {
3115 editor->selofs = 0;
3116 editor->rcFormat.left -= SELECTIONBAR_WIDTH;
3117 }
3118 ME_WrapMarkedParagraphs(editor);
3119 }
3120
3121 if (settings & ECO_VERTICAL)
3122 FIXME("ECO_VERTICAL not implemented yet!\n");
3123 if (settings & ECO_AUTOHSCROLL)
3124 FIXME("ECO_AUTOHSCROLL not implemented yet!\n");
3125 if (settings & ECO_AUTOVSCROLL)
3126 FIXME("ECO_AUTOVSCROLL not implemented yet!\n");
3127 if (settings & ECO_NOHIDESEL)
3128 FIXME("ECO_NOHIDESEL not implemented yet!\n");
3129 if (settings & ECO_WANTRETURN)
3130 FIXME("ECO_WANTRETURN not implemented yet!\n");
3131 if (settings & ECO_AUTOWORDSELECTION)
3132 FIXME("ECO_AUTOWORDSELECTION not implemented yet!\n");
3133
3134 return settings;
3135 }
3136 case EM_SETSEL:
3137 {
3138 ME_InvalidateSelection(editor);
3139 ME_SetSelection(editor, wParam, lParam);
3140 ME_InvalidateSelection(editor);
3141 ITextHost_TxShowCaret(editor->texthost, FALSE);
3142 ME_ShowCaret(editor);
3143 ME_SendSelChange(editor);
3144 return 0;
3145 }
3146 case EM_SETSCROLLPOS:
3147 {
3148 POINT *point = (POINT *)lParam;
3149 ME_ScrollAbs(editor, point->x, point->y);
3150 return 0;
3151 }
3152 case EM_AUTOURLDETECT:
3153 {
3154 if (wParam==1 || wParam ==0)
3155 {
3156 editor->AutoURLDetect_bEnable = (BOOL)wParam;
3157 return 0;
3158 }
3159 return E_INVALIDARG;
3160 }
3161 case EM_GETAUTOURLDETECT:
3162 {
3163 return editor->AutoURLDetect_bEnable;
3164 }
3165 case EM_EXSETSEL:
3166 {
3167 int end;
3168 CHARRANGE range = *(CHARRANGE *)lParam;
3169
3170 TRACE("EM_EXSETSEL (%d,%d)\n", range.cpMin, range.cpMax);
3171
3172 ME_InvalidateSelection(editor);
3173 end = ME_SetSelection(editor, range.cpMin, range.cpMax);
3174 ME_InvalidateSelection(editor);
3175 ITextHost_TxShowCaret(editor->texthost, FALSE);
3176 ME_ShowCaret(editor);
3177 ME_SendSelChange(editor);
3178
3179 return end;
3180 }
3181 case EM_SHOWSCROLLBAR:
3182 {
3183 DWORD flags;
3184
3185 switch (wParam)
3186 {
3187 case SB_HORZ:
3188 flags = WS_HSCROLL;
3189 break;
3190 case SB_VERT:
3191 flags = WS_VSCROLL;
3192 break;
3193 case SB_BOTH:
3194 flags = WS_HSCROLL|WS_VSCROLL;
3195 break;
3196 default:
3197 return 0;
3198 }
3199
3200 if (lParam)
3201 editor->styleFlags |= flags;
3202 else
3203 editor->styleFlags &= flags;
3204
3205 ITextHost_TxShowScrollBar(editor->texthost, wParam, lParam);
3206 return 0;
3207 }
3208 case EM_SETTEXTEX:
3209 {
3210 LPWSTR wszText;
3211 SETTEXTEX *pStruct = (SETTEXTEX *)wParam;
3212 size_t len = 0;
3213 int from, to;
3214 ME_Style *style;
3215 BOOL bRtf, bUnicode, bSelection;
3216 int oldModify = editor->nModifyStep;
3217
3218 if (!pStruct) return 0;
3219
3220 /* If we detect ascii rtf at the start of the string,
3221 * we know it isn't unicode. */
3222 bRtf = (lParam && (!strncmp((char *)lParam, "{\\rtf", 5) ||
3223 !strncmp((char *)lParam, "{\\urtf}", 6)));
3224 bUnicode = !bRtf && pStruct->codepage == 1200;
3225
3226 TRACE("EM_SETTEXTEX - %s, flags %d, cp %d\n",
3227 bUnicode ? debugstr_w((LPCWSTR)lParam) : debugstr_a((LPCSTR)lParam),
3228 pStruct->flags, pStruct->codepage);
3229
3230 bSelection = (pStruct->flags & ST_SELECTION) != 0;
3231 if (bSelection) {
3232 ME_GetSelection(editor, &from, &to);
3233 style = ME_GetSelectionInsertStyle(editor);
3234 ME_InternalDeleteText(editor, from, to - from, FALSE);
3235 } else {
3236 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
3237 style = editor->pBuffer->pDefaultStyle;
3238 }
3239
3240 if (bRtf) {
3241 ME_StreamInRTFString(editor, bSelection, (char *)lParam);
3242 if (bSelection) {
3243 /* FIXME: The length returned is doesn't include the rtf control
3244 * characters, only the actual text. */
3245 len = lParam ? strlen((char *)lParam) : 0;
3246 }
3247 } else {
3248 /* FIXME: make use of pStruct->codepage in the to unicode translation */
3249 wszText = lParam ? ME_ToUnicode(bUnicode, (void *)lParam) : NULL;
3250 len = wszText ? lstrlenW(wszText) : 0;
3251 ME_InsertTextFromCursor(editor, 0, wszText, len, style);
3252 }
3253
3254 if (bSelection) {
3255 ME_ReleaseStyle(style);
3256 if (editor->AutoURLDetect_bEnable)
3257 ME_UpdateSelectionLinkAttribute(editor);
3258 } else {
3259 len = 1;
3260 if (editor->AutoURLDetect_bEnable)
3261 ME_UpdateLinkAttribute(editor, 0, -1);
3262 }
3263 ME_CommitUndo(editor);
3264 if (!(pStruct->flags & ST_KEEPUNDO))
3265 {
3266 editor->nModifyStep = oldModify;
3267 ME_EmptyUndoStack(editor);
3268 }
3269 ME_UpdateRepaint(editor);
3270 return len;
3271 }
3272 case EM_SETBKGNDCOLOR:
3273 {
3274 LRESULT lColor;
3275 if (editor->rgbBackColor != -1) {
3276 DeleteObject(editor->hbrBackground);
3277 lColor = editor->rgbBackColor;
3278 }
3279 else lColor = ITextHost_TxGetSysColor(editor->texthost, COLOR_WINDOW);
3280
3281 if (wParam)
3282 {
3283 editor->rgbBackColor = -1;
3284 editor->hbrBackground = GetSysColorBrush(COLOR_WINDOW);
3285 }
3286 else
3287 {
3288 editor->rgbBackColor = lParam;
3289 editor->hbrBackground = CreateSolidBrush(editor->rgbBackColor);
3290 }
3291 ITextHost_TxInvalidateRect(editor->texthost, NULL, TRUE);
3292 ITextHost_TxViewChange(editor->texthost, TRUE);
3293 return lColor;
3294 }
3295 case EM_GETMODIFY:
3296 return editor->nModifyStep == 0 ? 0 : -1;
3297 case EM_SETMODIFY:
3298 {
3299 if (wParam)
3300 editor->nModifyStep = 1;
3301 else
3302 editor->nModifyStep = 0;
3303
3304 return 0;
3305 }
3306 case EM_SETREADONLY:
3307 {
3308 if (wParam)
3309 editor->styleFlags |= ES_READONLY;
3310 else
3311 editor->styleFlags &= ~ES_READONLY;
3312 return 0;
3313 }
3314 case EM_SETEVENTMASK:
3315 {
3316 DWORD nOldMask = editor->nEventMask;
3317
3318 editor->nEventMask = lParam;
3319 return nOldMask;
3320 }
3321 case EM_GETEVENTMASK:
3322 return editor->nEventMask;
3323 case EM_SETCHARFORMAT:
3324 {
3325 CHARFORMAT2W buf, *p;
3326 BOOL bRepaint = TRUE;
3327 p = ME_ToCF2W(&buf, (CHARFORMAT2W *)lParam);
3328 if (p == NULL) return 0;
3329 if (!wParam)
3330 ME_SetDefaultCharFormat(editor, p);
3331 else if (wParam == (SCF_WORD | SCF_SELECTION)) {
3332 FIXME("EM_SETCHARFORMAT: word selection not supported\n");
3333 return 0;
3334 } else if (wParam == SCF_ALL) {
3335 if (editor->mode & TM_PLAINTEXT)
3336 ME_SetDefaultCharFormat(editor, p);
3337 else {
3338 ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), p);
3339 editor->nModifyStep = 1;
3340 }
3341 } else if (editor->mode & TM_PLAINTEXT) {
3342 return 0;
3343 } else {
3344 int from, to;
3345 ME_GetSelection(editor, &from, &to);
3346 bRepaint = (from != to);
3347 ME_SetSelectionCharFormat(editor, p);
3348 if (from != to) editor->nModifyStep = 1;
3349 }
3350 ME_CommitUndo(editor);
3351 if (bRepaint)
3352 {
3353 ME_WrapMarkedParagraphs(editor);
3354 ME_UpdateScrollBar(editor);
3355 ME_Repaint(editor);
3356 }
3357 return 1;
3358 }
3359 case EM_GETCHARFORMAT:
3360 {
3361 CHARFORMAT2W tmp, *dst = (CHARFORMAT2W *)lParam;
3362 if (dst->cbSize != sizeof(CHARFORMATA) &&
3363 dst->cbSize != sizeof(CHARFORMATW) &&
3364 dst->cbSize != sizeof(CHARFORMAT2A) &&
3365 dst->cbSize != sizeof(CHARFORMAT2W))
3366 return 0;
3367 tmp.cbSize = sizeof(tmp);
3368 if (!wParam)
3369 ME_GetDefaultCharFormat(editor, &tmp);
3370 else
3371 ME_GetSelectionCharFormat(editor, &tmp);
3372 ME_CopyToCFAny(dst, &tmp);
3373 return tmp.dwMask;
3374 }
3375 case EM_SETPARAFORMAT:
3376 {
3377 BOOL result = ME_SetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
3378 ME_WrapMarkedParagraphs(editor);
3379 ME_UpdateScrollBar(editor);
3380 ME_Repaint(editor);
3381 ME_CommitUndo(editor);
3382 return result;
3383 }
3384 case EM_GETPARAFORMAT:
3385 ME_GetSelectionParaFormat(editor, (PARAFORMAT2 *)lParam);
3386 return ((PARAFORMAT2 *)lParam)->dwMask;
3387 case EM_GETFIRSTVISIBLELINE:
3388 {
3389 ME_DisplayItem *p = editor->pBuffer->pFirst;
3390 int y = editor->vert_si.nPos;
3391 int ypara = 0;
3392 int count = 0;
3393 int ystart, yend;
3394 while(p) {
3395 p = ME_FindItemFwd(p, diStartRowOrParagraphOrEnd);
3396 if (p->type == diTextEnd)
3397 break;
3398 if (p->type == diParagraph) {
3399 ypara = p->member.para.pt.y;
3400 continue;
3401 }
3402 ystart = ypara + p->member.row.pt.y;
3403 yend = ystart + p->member.row.nHeight;
3404 if (y < yend) {
3405 break;
3406 }
3407 count++;
3408 }
3409 return count;
3410 }
3411 case EM_HIDESELECTION:
3412 {
3413 editor->bHideSelection = (wParam != 0);
3414 ME_InvalidateSelection(editor);
3415 return 0;
3416 }
3417 case EM_LINESCROLL:
3418 {
3419 ME_ScrollDown(editor, lParam * 8); /* FIXME follow the original */
3420 return TRUE; /* Should return false if a single line richedit control */
3421 }
3422 case WM_CLEAR:
3423 {
3424 int from, to;
3425 ME_GetSelection(editor, &from, &to);
3426 ME_InternalDeleteText(editor, from, to-from, FALSE);
3427 ME_CommitUndo(editor);
3428 ME_UpdateRepaint(editor);
3429 return 0;
3430 }
3431 case EM_REPLACESEL:
3432 {
3433 int from, to;
3434 ME_Style *style;
3435 LPWSTR wszText = lParam ? ME_ToUnicode(unicode, (void *)lParam) : NULL;
3436 size_t len = wszText ? lstrlenW(wszText) : 0;
3437 TRACE("EM_REPLACESEL - %s\n", debugstr_w(wszText));
3438
3439 ME_GetSelection(editor, &from, &to);
3440 style = ME_GetSelectionInsertStyle(editor);
3441 ME_InternalDeleteText(editor, from, to-from, FALSE);
3442 ME_InsertTextFromCursor(editor, 0, wszText, len, style);
3443 ME_ReleaseStyle(style);
3444 /* drop temporary style if line end */
3445 /*
3446 * FIXME question: does abc\n mean: put abc,
3447 * clear temp style, put \n? (would require a change)
3448 */
3449 if (len>0 && wszText[len-1] == '\n')
3450 ME_ClearTempStyle(editor);
3451 ME_EndToUnicode(unicode, wszText);
3452 ME_CommitUndo(editor);
3453 if (editor->AutoURLDetect_bEnable) ME_UpdateSelectionLinkAttribute(editor);
3454 if (!wParam)
3455 ME_EmptyUndoStack(editor);
3456 ME_UpdateRepaint(editor);
3457 return len;
3458 }
3459 case EM_SCROLLCARET:
3460 ME_EnsureVisible(editor, &editor->pCursors[0]);
3461 return 0;
3462 case WM_SETFONT:
3463 {
3464 LOGFONTW lf;
3465 CHARFORMAT2W fmt;
3466 HDC hDC;
3467 BOOL bRepaint = LOWORD(lParam);
3468
3469 if (!wParam)
3470 wParam = (WPARAM)GetStockObject(SYSTEM_FONT);
3471 GetObjectW((HGDIOBJ)wParam, sizeof(LOGFONTW), &lf);
3472 hDC = ITextHost_TxGetDC(editor->texthost);
3473 ME_CharFormatFromLogFont(hDC, &lf, &fmt);
3474 ITextHost_TxReleaseDC(editor->texthost, hDC);
3475 ME_SetCharFormat(editor, 0, ME_GetTextLength(editor), &fmt);
3476 ME_SetDefaultCharFormat(editor, &fmt);
3477
3478 ME_CommitUndo(editor);
3479 if (bRepaint)
3480 ME_RewrapRepaint(editor);
3481 return 0;
3482 }
3483 case WM_SETTEXT:
3484 {
3485 ME_InternalDeleteText(editor, 0, ME_GetTextLength(editor), FALSE);
3486 if (lParam)
3487 {
3488 TRACE("WM_SETTEXT lParam==%lx\n",lParam);
3489 if (!unicode && !strncmp((char *)lParam, "{\\rtf", 5))
3490 {
3491 /* Undocumented: WM_SETTEXT supports RTF text */
3492 ME_StreamInRTFString(editor, 0, (char *)lParam);
3493 }
3494 else
3495 {
3496 LPWSTR wszText = ME_ToUnicode(unicode, (void *)lParam);
3497 TRACE("WM_SETTEXT - %s\n", debugstr_w(wszText)); /* debugstr_w() */
3498 if (lstrlenW(wszText) > 0)
3499 {
3500 int len = -1;
3501
3502 /* uses default style! */
3503 if (!(editor->styleFlags & ES_MULTILINE))
3504 {
3505 WCHAR * p;
3506
3507 p = wszText;
3508 while (*p != '\0' && *p != '\r' && *p != '\n') p++;
3509 len = p - wszText;
3510 }
3511 ME_InsertTextFromCursor(editor, 0, wszText, len, editor->pBuffer->pDefaultStyle);
3512 }
3513 ME_EndToUnicode(unicode, wszText);
3514 }
3515 }
3516 else
3517 TRACE("WM_SETTEXT - NULL\n");
3518 if (editor->AutoURLDetect_bEnable)
3519 {
3520 ME_UpdateLinkAttribute(editor, 0, -1);
3521 }
3522 ME_SetSelection(editor, 0, 0);
3523 editor->nModifyStep = 0;
3524 ME_CommitUndo(editor);
3525 ME_EmptyUndoStack(editor);
3526 ME_UpdateRepaint(editor);
3527 return 1;
3528 }
3529 case EM_CANPASTE:
3530 {
3531 UINT nRTFFormat = RegisterClipboardFormatA("Rich Text Format");
3532 if (IsClipboardFormatAvailable(nRTFFormat))
3533 return TRUE;
3534 if (IsClipboardFormatAvailable(CF_UNICODETEXT))
3535 return TRUE;
3536 return FALSE;
3537 }
3538 case WM_PASTE:
3539 ME_Paste(editor);
3540 return 0;
3541 case WM_CUT:
3542 case WM_COPY:
3543 {
3544 CHARRANGE range;
3545 ME_GetSelection(editor, &range.cpMin, &range.cpMax);
3546
3547 if (ME_Copy(editor, &range) && msg == WM_CUT)
3548 {
3549 ME_InternalDeleteText(editor, range.cpMin, range.cpMax-range.cpMin, FALSE);
3550 ME_CommitUndo(editor);
3551 ME_UpdateRepaint(editor);
3552 }
3553 return 0;
3554 }
3555 case WM_GETTEXTLENGTH:
3556 {
3557 GETTEXTLENGTHEX how;
3558
3559 /* CR/LF conversion required in 2.0 mode, verbatim in 1.0 mode */
3560 how.flags = GTL_CLOSE | (editor->bEmulateVersion10 ? 0 : GTL_USECRLF) | GTL_NUMCHARS;
3561 how.codepage = unicode ? 1200 : CP_ACP;
3562 return ME_GetTextLengthEx(editor, &how);
3563 }
3564 case EM_GETTEXTLENGTHEX:
3565 return ME_GetTextLengthEx(editor, (GETTEXTLENGTHEX *)wParam);
3566 case WM_GETTEXT:
3567 {
3568 GETTEXTEX ex;
3569 LRESULT rc;
3570 LPSTR bufferA = NULL;
3571 LPWSTR bufferW = NULL;
3572
3573 if (unicode)
3574 bufferW = heap_alloc((wParam + 2) * sizeof(WCHAR));
3575 else
3576 bufferA = heap_alloc(wParam + 2);
3577
3578 ex.cb = (wParam + 2) * (unicode ? sizeof(WCHAR) : sizeof(CHAR));
3579 ex.flags = GT_USECRLF;
3580 ex.codepage = unicode ? 1200 : CP_ACP;
3581 ex.lpDefaultChar = NULL;
3582 ex.lpUsedDefChar = NULL;
3583
3584 rc = ME_GetTextEx(editor, &ex, unicode ? (LPARAM)bufferW : (LPARAM)bufferA);
3585
3586 if (unicode)
3587 {
3588 memcpy((LPWSTR)lParam, bufferW, wParam * sizeof(WCHAR));
3589 if (strlenW(bufferW) >= wParam) rc = 0;
3590 }
3591 else
3592 {
3593 memcpy((LPSTR)lParam, bufferA, wParam);
3594 if (strlen(bufferA) >= wParam) rc = 0;
3595 }
3596 heap_free(bufferA);
3597 heap_free(bufferW);
3598 return rc;
3599 }
3600 case EM_GETTEXTEX:
3601 return ME_GetTextEx(editor, (GETTEXTEX*)wParam, lParam);
3602 case EM_GETSELTEXT:
3603 {
3604 int from, to;
3605 TEXTRANGEW tr; /* W and A differ only by rng->lpstrText */
3606 ME_GetSelection(editor, &from, &to);
3607 tr.chrg.cpMin = from;
3608 tr.chrg.cpMax = to;
3609 tr.lpstrText = (WCHAR *)lParam;
3610 return ME_GetTextRange(editor, &tr, unicode);
3611 }
3612 case EM_GETSCROLLPOS:
3613 {
3614 POINT *point = (POINT *)lParam;
3615 point->x = editor->horz_si.nPos;
3616 point->y = editor->vert_si.nPos;
3617 return 1;
3618 }
3619 case EM_GETTEXTRANGE:
3620 {
3621 TEXTRANGEW *rng = (TEXTRANGEW *)lParam;
3622 TRACE("EM_GETTEXTRANGE min=%d max=%d unicode=%d emul1.0=%d length=%d\n",
3623 rng->chrg.cpMin, rng->chrg.cpMax, unicode,
3624 editor->bEmulateVersion10, ME_GetTextLength(editor));
3625 return ME_GetTextRange(editor, rng, unicode);
3626 }
3627 case EM_GETLINE:
3628 {
3629 ME_DisplayItem *run;
3630 const unsigned int nMaxChars = *(WORD *) lParam;
3631 unsigned int nCharsLeft = nMaxChars;
3632 char *dest = (char *) lParam;
3633 BOOL wroteNull = FALSE;
3634
3635 TRACE("EM_GETLINE: row=%d, nMaxChars=%d (%s)\n", (int) wParam, nMaxChars,
3636 unicode ? "Unicode" : "Ansi");
3637
3638 run = ME_FindRowWithNumber(editor, wParam);
3639 if (run == NULL)
3640 return 0;
3641
3642 while (nCharsLeft && (run = ME_FindItemFwd(run, diRunOrStartRow))
3643 && run->type == diRun)
3644 {
3645 unsigned int nCopy;
3646 ME_String *strText;
3647
3648 strText = run->member.run.strText;
3649 nCopy = min(nCharsLeft, strText->nLen);
3650
3651 if (unicode)
3652 memcpy(dest, strText->szData, nCopy * sizeof(WCHAR));
3653 else
3654 nCopy = WideCharToMultiByte(CP_ACP, 0, strText->szData, nCopy, dest,
3655 nCharsLeft, NULL, NULL);
3656 dest += nCopy * (unicode ? sizeof(WCHAR) : 1);
3657 nCharsLeft -= nCopy;
3658 }
3659
3660 /* append line termination, space allowing */
3661 if (nCharsLeft > 0)
3662 {
3663 if (unicode)
3664 *((WCHAR *)dest) = '\0';
3665 else
3666 *dest = '\0';
3667 nCharsLeft--;
3668 wroteNull = TRUE;
3669 }
3670
3671 TRACE("EM_GETLINE: got %u characters\n", nMaxChars - nCharsLeft);
3672 return nMaxChars - nCharsLeft - (wroteNull ? 1 : 0);
3673 }
3674 case EM_GETLINECOUNT:
3675 {
3676 ME_DisplayItem *item = editor->pBuffer->pFirst->next;
3677 int nRows = 0;
3678
3679 ME_DisplayItem *prev_para = NULL, *last_para = NULL;
3680
3681 while (item != editor->pBuffer->pLast)
3682 {
3683 assert(item->type == diParagraph);
3684 prev_para = ME_FindItemBack(item, diRun);
3685 if (prev_para) {
3686 assert(prev_para->member.run.nFlags & MERF_ENDPARA);
3687 }
3688 nRows += item->member.para.nRows;
3689 item = item->member.para.next_para;
3690 }
3691 last_para = ME_FindItemBack(item, diRun);
3692 assert(last_para);
3693 assert(last_para->member.run.nFlags & MERF_ENDPARA);
3694 if (editor->bEmulateVersion10 && prev_para &&
3695 last_para->member.run.nCharOfs == 0 &&
3696 prev_para->member.run.strText->nLen == 1 &&
3697 prev_para->member.run.strText->szData[0] == '\r')
3698 {
3699 /* In 1.0 emulation, the last solitary \r at the very end of the text
3700 (if one exists) is NOT a line break.
3701 FIXME: this is an ugly hack. This should have a more regular model. */
3702 nRows--;
3703 }
3704
3705 TRACE("EM_GETLINECOUNT: nRows==%d\n", nRows);
3706 return max(1, nRows);
3707 }
3708 case EM_LINEFROMCHAR:
3709 {
3710 if (wParam == -1)
3711 return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor, 1));
3712 else
3713 return ME_RowNumberFromCharOfs(editor, wParam);
3714 }
3715 case EM_EXLINEFROMCHAR:
3716 {
3717 if (lParam == -1)
3718 return ME_RowNumberFromCharOfs(editor, ME_GetCursorOfs(editor,1));
3719 else
3720 return ME_RowNumberFromCharOfs(editor, lParam);
3721 }
3722 case EM_LINEINDEX:
3723 {
3724 ME_DisplayItem *item, *para;
3725 int nCharOfs;
3726
3727 if (wParam == -1)
3728 item = ME_FindItemBack(editor->pCursors[0].pRun, diStartRow);
3729 else
3730 item = ME_FindRowWithNumber(editor, wParam);
3731 if (!item)
3732 return -1;
3733 para = ME_GetParagraph(item);
3734 item = ME_FindItemFwd(item, diRun);
3735 nCharOfs = para->member.para.nCharOfs + item->member.run.nCharOfs;
3736 TRACE("EM_LINEINDEX: nCharOfs==%d\n", nCharOfs);
3737 return nCharOfs;
3738 }
3739 case EM_LINELENGTH:
3740 {
3741 ME_DisplayItem *item, *item_end;
3742 int nChars = 0, nThisLineOfs = 0, nNextLineOfs = 0;
3743 ME_Cursor cursor;
3744
3745 if (wParam > ME_GetTextLength(editor))
3746 return 0;
3747 if (wParam == -1)
3748 {
3749 FIXME("EM_LINELENGTH: returning number of unselected characters on lines with selection unsupported.\n");
3750 return 0;
3751 }
3752 ME_CursorFromCharOfs(editor, wParam, &cursor);
3753 item = ME_RowStart(cursor.pRun);
3754 nThisLineOfs = ME_CharOfsFromRunOfs(editor, ME_FindItemFwd(item, diRun), 0);
3755 item_end = ME_FindItemFwd(item, diStartRowOrParagraphOrEnd);
3756 if (item_end->type == diStartRow)
3757 nNextLineOfs = ME_CharOfsFromRunOfs(editor, ME_FindItemFwd(item_end, diRun), 0);
3758 else
3759 {
3760 ME_DisplayItem *endPara;
3761
3762 nNextLineOfs = ME_FindItemFwd(item, diParagraphOrEnd)->member.para.nCharOfs;
3763 endPara = ME_FindItemFwd(item, diParagraphOrEnd);
3764 endPara = ME_FindItemBack(endPara, diRun);
3765 assert(endPara);
3766 assert(endPara->type == diRun);
3767 assert(endPara->member.run.nFlags & MERF_ENDPARA);
3768 nNextLineOfs -= endPara->member.run.strText->nLen;
3769 }
3770 nChars = nNextLineOfs - nThisLineOfs;
3771 TRACE("EM_LINELENGTH(%ld)==%d\n",wParam, nChars);
3772 return nChars;
3773 }
3774 case EM_EXLIMITTEXT:
3775 {
3776 if ((int)lParam < 0)
3777 return 0;
3778 if (lParam == 0)
3779 editor->nTextLimit = 65536;
3780 else
3781 editor->nTextLimit = (int) lParam;
3782 return 0;
3783 }
3784 case EM_LIMITTEXT:
3785 {
3786 if (wParam == 0)
3787 editor->nTextLimit = 65536;
3788 else
3789 editor->nTextLimit = (int) wParam;
3790 return 0;
3791 }
3792 case EM_GETLIMITTEXT:
3793 {
3794 return editor->nTextLimit;
3795 }
3796 case EM_FINDTEXT:
3797 {
3798 FINDTEXTA *ft = (FINDTEXTA *)lParam;
3799 int nChars = MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, NULL, 0);
3800 WCHAR *tmp;
3801 LRESULT r;
3802
3803 if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL)
3804 MultiByteToWideChar(CP_ACP, 0, ft->lpstrText, -1, tmp, nChars);
3805 r = ME_FindText(editor, wParam, &ft->chrg, tmp, NULL);
3806 FREE_OBJ( tmp );
3807 return r;
3808 }
3809 case EM_FINDTEXTEX:
3810 {
3811 FINDTEXTEXA *ex = (FINDTEXTEXA *)lParam;
3812 int nChars = MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, NULL, 0);
3813 WCHAR *tmp;
3814 LRESULT r;
3815
3816 if ((tmp = ALLOC_N_OBJ(WCHAR, nChars)) != NULL)
3817 MultiByteToWideChar(CP_ACP, 0, ex->lpstrText, -1, tmp, nChars);
3818 r = ME_FindText(editor, wParam, &ex->chrg, tmp, &ex->chrgText);
3819 FREE_OBJ( tmp );
3820 return r;
3821 }
3822 case EM_FINDTEXTW:
3823 {
3824 FINDTEXTW *ft = (FINDTEXTW *)lParam;
3825 return ME_FindText(editor, wParam, &ft->chrg, ft->lpstrText, NULL);
3826 }
3827 case EM_FINDTEXTEXW:
3828 {
3829 FINDTEXTEXW *ex = (FINDTEXTEXW *)lParam;
3830 return ME_FindText(editor, wParam, &ex->chrg, ex->lpstrText, &ex->chrgText);
3831 }
3832 case EM_GETZOOM:
3833 if (!wParam || !lParam)
3834 return FALSE;
3835 *(int *)wParam = editor->nZoomNumerator;
3836 *(int *)lParam = editor->nZoomDenominator;
3837 return TRUE;
3838 case EM_SETZOOM:
3839 return ME_SetZoom(editor, wParam, lParam);
3840 case EM_CHARFROMPOS:
3841 return ME_CharFromPos(editor, ((POINTL *)lParam)->x, ((POINTL *)lParam)->y, NULL);
3842 case EM_POSFROMCHAR:
3843 {
3844 ME_DisplayItem *pRun;
3845 int nCharOfs, nOffset, nLength;
3846 POINTL pt = {0,0};
3847
3848 nCharOfs = wParam;
3849 /* detect which API version we're dealing with */
3850 if (wParam >= 0x40000)
3851 nCharOfs = lParam;
3852 nLength = ME_GetTextLength(editor);
3853 nCharOfs = min(nCharOfs, nLength);
3854 nCharOfs = max(nCharOfs, 0);
3855
3856 ME_RunOfsFromCharOfs(editor, nCharOfs, &pRun, &nOffset);
3857 assert(pRun->type == diRun);
3858 pt.y = pRun->member.run.pt.y;
3859 pt.x = pRun->member.run.pt.x + ME_PointFromChar(editor, &pRun->member.run, nOffset);
3860 pt.y += ME_GetParagraph(pRun)->member.para.pt.y + editor->rcFormat.top;
3861 pt.x += editor->rcFormat.left;
3862
3863 pt.x -= editor->horz_si.nPos;
3864 pt.y -= editor->vert_si.nPos;
3865
3866 if (wParam >= 0x40000) {
3867 *(POINTL *)wParam = pt;
3868 }
3869 return (wParam >= 0x40000) ? 0 : MAKELONG( pt.x, pt.y );
3870 }
3871 case WM_CREATE:
3872 {
3873 SCROLLINFO si;
3874
3875 ME_SetDefaultFormatRect(editor);
3876
3877 si.cbSize = sizeof(si);
3878 si.fMask = SIF_PAGE | SIF_RANGE;
3879 if (editor->styleFlags & ES_DISABLENOSCROLL)
3880 si.fMask |= SIF_DISABLENOSCROLL;
3881 si.nMax = (si.fMask & SIF_DISABLENOSCROLL) ? 1 : 0;
3882 si.nMin = 0;
3883 si.nPage = 0;
3884 if (editor->hWnd) {
3885 SetScrollInfo(editor->hWnd, SB_VERT, &si, TRUE);
3886 SetScrollInfo(editor->hWnd, SB_HORZ, &si, TRUE);
3887 } else {
3888 ITextHost_TxSetScrollRange(editor->texthost, SB_VERT, si.nMin, si.nMax, TRUE);
3889 ITextHost_TxSetScrollRange(editor->texthost, SB_HORZ, si.nMin, si.nMax, TRUE);
3890 }
3891
3892 ME_CommitUndo(editor);
3893 ME_WrapMarkedParagraphs(editor);
3894 ME_MoveCaret(editor);
3895 return 0;
3896 }
3897 case WM_DESTROY:
3898 ME_DestroyEditor(editor);
3899 return 0;
3900 case WM_SETCURSOR:
3901 {
3902 return ME_SetCursor(editor);
3903 }
3904 case WM_LBUTTONDBLCLK:
3905 case WM_LBUTTONDOWN:
3906 {
3907 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3908 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3909 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3910 return 0;
3911 ITextHost_TxSetFocus(editor->texthost);
3912 ME_LButtonDown(editor, (short)LOWORD(lParam), (short)HIWORD(lParam),
3913 ME_CalculateClickCount(editor, msg, wParam, lParam));
3914 ITextHost_TxSetCapture(editor->texthost, TRUE);
3915 editor->bMouseCaptured = TRUE;
3916 ME_LinkNotify(editor,msg,wParam,lParam);
3917 if (!ME_SetCursor(editor)) goto do_default;
3918 break;
3919 }
3920 case WM_MOUSEMOVE:
3921 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3922 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3923 return 0;
3924 if (editor->bMouseCaptured)
3925 ME_MouseMove(editor, (short)LOWORD(lParam), (short)HIWORD(lParam));
3926 ME_LinkNotify(editor,msg,wParam,lParam);
3927 /* Set cursor if mouse is captured, since WM_SETCURSOR won't be received. */
3928 if (editor->bMouseCaptured)
3929 ME_SetCursor(editor);
3930 break;
3931 case WM_LBUTTONUP:
3932 if (editor->bMouseCaptured) {
3933 ITextHost_TxSetCapture(editor->texthost, FALSE);
3934 editor->bMouseCaptured = FALSE;
3935 }
3936 if (editor->nSelectionType == stDocument)
3937 editor->nSelectionType = stPosition;
3938 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3939 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3940 return 0;
3941 else
3942 {
3943 ME_SetCursor(editor);
3944 ME_LinkNotify(editor,msg,wParam,lParam);
3945 }
3946 break;
3947 case WM_RBUTTONUP:
3948 case WM_RBUTTONDOWN:
3949 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3950 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
3951 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3952 return 0;
3953 goto do_default;
3954 case WM_CONTEXTMENU:
3955 if (!ME_ShowContextMenu(editor, (short)LOWORD(lParam), (short)HIWORD(lParam)))
3956 goto do_default;
3957 break;
3958 case WM_SETFOCUS:
3959 editor->bHaveFocus = TRUE;
3960 ME_ShowCaret(editor);
3961 ME_SendOldNotify(editor, EN_SETFOCUS);
3962 return 0;
3963 case WM_KILLFOCUS:
3964 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
3965 editor->bHaveFocus = FALSE;
3966 ME_HideCaret(editor);
3967 ME_SendOldNotify(editor, EN_KILLFOCUS);
3968 return 0;
3969 case WM_COMMAND:
3970 TRACE("editor wnd command = %d\n", LOWORD(wParam));
3971 return 0;
3972 case WM_KEYUP:
3973 if ((editor->nEventMask & ENM_KEYEVENTS) &&
3974 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3975 return 0;
3976 goto do_default;
3977 case WM_KEYDOWN:
3978 if ((editor->nEventMask & ENM_KEYEVENTS) &&
3979 !ME_FilterEvent(editor, msg, &wParam, &lParam))
3980 return 0;
3981 if (ME_KeyDown(editor, LOWORD(wParam)))
3982 return 0;
3983 goto do_default;
3984 case WM_CHAR:
3985 return ME_Char(editor, wParam, lParam, unicode);
3986 case WM_UNICHAR:
3987 if (unicode)
3988 {
3989 if(wParam == UNICODE_NOCHAR) return TRUE;
3990 if(wParam <= 0x000fffff)
3991 {
3992 if(wParam > 0xffff) /* convert to surrogates */
3993 {
3994 wParam -= 0x10000;
3995 ME_Char(editor, (wParam >> 10) + 0xd800, 0, TRUE);
3996 ME_Char(editor, (wParam & 0x03ff) + 0xdc00, 0, TRUE);
3997 } else {
3998 ME_Char(editor, wParam, 0, TRUE);
3999 }
4000 }
4001 return 0;
4002 }
4003 break;
4004 case EM_STOPGROUPTYPING:
4005 ME_CommitUndo(editor); /* End coalesced undos for typed characters */
4006 return 0;
4007 case WM_HSCROLL:
4008 {
4009 const int scrollUnit = 7;
4010
4011 switch(LOWORD(wParam))
4012 {
4013 case SB_LEFT:
4014 ME_ScrollAbs(editor, 0, 0);
4015 break;
4016 case SB_RIGHT:
4017 ME_ScrollAbs(editor,
4018 editor->horz_si.nMax - (int)editor->horz_si.nPage,
4019 editor->vert_si.nMax - (int)editor->vert_si.nPage);
4020 break;
4021 case SB_LINELEFT:
4022 ME_ScrollLeft(editor, scrollUnit);
4023 break;
4024 case SB_LINERIGHT:
4025 ME_ScrollRight(editor, scrollUnit);
4026 break;
4027 case SB_PAGELEFT:
4028 ME_ScrollLeft(editor, editor->sizeWindow.cx);
4029 break;
4030 case SB_PAGERIGHT:
4031 ME_ScrollRight(editor, editor->sizeWindow.cx);
4032 break;
4033 case SB_THUMBTRACK:
4034 case SB_THUMBPOSITION:
4035 {
4036 SCROLLINFO sbi;
4037 sbi.cbSize = sizeof(sbi);
4038 sbi.fMask = SIF_TRACKPOS;
4039 /* Try to get 32-bit track position value. */
4040 if (!GetScrollInfo(editor->hWnd, SB_HORZ, &sbi))
4041 /* GetScrollInfo failed, settle for 16-bit value in wParam. */
4042 sbi.nTrackPos = HIWORD(wParam);
4043
4044 ME_HScrollAbs(editor, sbi.nTrackPos);
4045 break;
4046 }
4047 }
4048 break;
4049 }
4050 case EM_SCROLL: /* fall through */
4051 case WM_VSCROLL:
4052 {
4053 int origNPos;
4054 int lineHeight;
4055
4056 origNPos = editor->vert_si.nPos;
4057 lineHeight = 24;
4058
4059 if (editor->pBuffer && editor->pBuffer->pDefaultStyle)
4060 lineHeight = editor->pBuffer->pDefaultStyle->tm.tmHeight;
4061 if (lineHeight <= 0) lineHeight = 24;
4062
4063 switch(LOWORD(wParam))
4064 {
4065 case SB_TOP:
4066 ME_ScrollAbs(editor, 0, 0);
4067 break;
4068 case SB_BOTTOM:
4069 ME_ScrollAbs(editor,
4070 editor->horz_si.nMax - (int)editor->horz_si.nPage,
4071 editor->vert_si.nMax - (int)editor->vert_si.nPage);
4072 break;
4073 case SB_LINEUP:
4074 ME_ScrollUp(editor,lineHeight);
4075 break;
4076 case SB_LINEDOWN:
4077 ME_ScrollDown(editor,lineHeight);
4078 break;
4079 case SB_PAGEUP:
4080 ME_ScrollUp(editor,editor->sizeWindow.cy);
4081 break;
4082 case SB_PAGEDOWN:
4083 ME_ScrollDown(editor,editor->sizeWindow.cy);
4084 break;
4085 case SB_THUMBTRACK:
4086 case SB_THUMBPOSITION:
4087 {
4088 SCROLLINFO sbi;
4089 sbi.cbSize = sizeof(sbi);
4090 sbi.fMask = SIF_TRACKPOS;
4091 /* Try to get 32-bit track position value. */
4092 if (!GetScrollInfo(editor->hWnd, SB_VERT, &sbi))
4093 /* GetScrollInfo failed, settle for 16-bit value in wParam. */
4094 sbi.nTrackPos = HIWORD(wParam);
4095
4096 ME_VScrollAbs(editor, sbi.nTrackPos);
4097 break;
4098 }
4099 }
4100 if (msg == EM_SCROLL)
4101 return 0x00010000 | (((editor->vert_si.nPos - origNPos)/lineHeight) & 0xffff);
4102 break;
4103 }
4104 case WM_MOUSEWHEEL:
4105 {
4106 int gcWheelDelta;
4107 UINT pulScrollLines;
4108 BOOL ctrl_is_down;
4109
4110 if ((editor->nEventMask & ENM_MOUSEEVENTS) &&
4111 !ME_FilterEvent(editor, msg, &wParam, &lParam))
4112 return 0;
4113
4114 ctrl_is_down = GetKeyState(VK_CONTROL) & 0x8000;
4115
4116 gcWheelDelta = GET_WHEEL_DELTA_WPARAM(wParam);
4117
4118 if (abs(gcWheelDelta) >= WHEEL_DELTA)
4119 {
4120 if (ctrl_is_down) {
4121 int numerator;
4122 if (!editor->nZoomNumerator || !editor->nZoomDenominator)
4123 {
4124 numerator = 100;
4125 } else {
4126 numerator = editor->nZoomNumerator * 100 / editor->nZoomDenominator;
4127 }
4128 numerator = numerator + (gcWheelDelta / WHEEL_DELTA) * 10;
4129 if (numerator >= 10 && numerator <= 500)
4130 ME_SetZoom(editor, numerator, 100);
4131 } else {
4132 SystemParametersInfoW(SPI_GETWHEELSCROLLLINES,0, &pulScrollLines, 0);
4133 /* FIXME follow the original */
4134 if (pulScrollLines)
4135 ME_ScrollDown(editor,pulScrollLines * (-gcWheelDelta / WHEEL_DELTA) * 8);
4136 }
4137 }
4138 break;
4139 }
4140 case EM_GETRECT:
4141 {
4142 *((RECT *)lParam) = editor->rcFormat;
4143 if (editor->bDefaultFormatRect)
4144 ((RECT *)lParam)->left -= editor->selofs;
4145 return 0;
4146 }
4147 case EM_SETRECT:
4148 case EM_SETRECTNP:
4149 {
4150 if (lParam)
4151 {
4152 int border = 0;
4153 RECT clientRect;
4154 RECT *rc = (RECT *)lParam;
4155
4156 border = editor->exStyleFlags & WS_EX_CLIENTEDGE ? 1 : 0;
4157 ITextHost_TxGetClientRect(editor->texthost, &clientRect);
4158 if (wParam == 0)
4159 {
4160 editor->rcFormat.top = max(0, rc->top - border);
4161 editor->rcFormat.left = max(0, rc->left - border);
4162 editor->rcFormat.bottom = min(clientRect.bottom, rc->bottom);
4163 editor->rcFormat.right = min(clientRect.right, rc->right + border);
4164 } else if (wParam == 1) {
4165 /* MSDN incorrectly says a wParam value of 1 causes the
4166 * lParam rect to be used as a relative offset,
4167 * however, the tests show it just prevents min/max bound
4168 * checking. */
4169 editor->rcFormat.top = rc->top - border;
4170 editor->rcFormat.left = rc->left - border;
4171 editor->rcFormat.bottom = rc->bottom;
4172 editor->rcFormat.right = rc->right + border;
4173 } else {
4174 return 0;
4175 }
4176 editor->bDefaultFormatRect = FALSE;
4177 }
4178 else
4179 {
4180 ME_SetDefaultFormatRect(editor);
4181 editor->bDefaultFormatRect = TRUE;
4182 }
4183 if (msg != EM_SETRECTNP)
4184 ME_RewrapRepaint(editor);
4185 return 0;
4186 }
4187 case EM_REQUESTRESIZE:
4188 ME_SendRequestResize(editor, TRUE);
4189 return 0;
4190 case WM_SETREDRAW:
4191 goto do_default;
4192 case WM_SIZE:
4193 {
4194 RECT clientRect;
4195
4196 ITextHost_TxGetClientRect(editor->texthost, &clientRect);
4197 if (editor->bDefaultFormatRect) {
4198 ME_SetDefaultFormatRect(editor);
4199 } else {
4200 editor->rcFormat.right += clientRect.right - editor->prevClientRect.right;
4201 editor->rcFormat.bottom += clientRect.bottom - editor->prevClientRect.bottom;
4202 }
4203 editor->prevClientRect = clientRect;
4204 ME_RewrapRepaint(editor);
4205 goto do_default;
4206 }
4207 /* IME messages to make richedit controls IME aware */
4208 case WM_IME_SETCONTEXT:
4209 case WM_IME_CONTROL:
4210 case WM_IME_SELECT:
4211 case WM_IME_COMPOSITIONFULL:
4212 return 0;
4213 case WM_IME_STARTCOMPOSITION:
4214 {
4215 editor->imeStartIndex=ME_GetCursorOfs(editor,0);
4216 ME_DeleteSelection(editor);
4217 ME_CommitUndo(editor);
4218 ME_UpdateRepaint(editor);
4219 return 0;
4220 }
4221 case WM_IME_COMPOSITION:
4222 {
4223 HIMC hIMC;
4224
4225 ME_Style *style = ME_GetInsertStyle(editor, 0);
4226 hIMC = ITextHost_TxImmGetContext(editor->texthost);
4227 ME_DeleteSelection(editor);
4228 ME_CommitUndo(editor);
4229 ME_SaveTempStyle(editor);
4230 if (lParam & GCS_RESULTSTR)
4231 {
4232 LPWSTR lpCompStr = NULL;
4233 DWORD dwBufLen;
4234
4235 dwBufLen = ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, NULL, 0);
4236 lpCompStr = HeapAlloc(GetProcessHeap(),0,dwBufLen + sizeof(WCHAR));
4237 ImmGetCompositionStringW(hIMC, GCS_RESULTSTR, lpCompStr, dwBufLen);
4238 lpCompStr[dwBufLen/sizeof(WCHAR)] = 0;
4239 ME_InsertTextFromCursor(editor,0,lpCompStr,dwBufLen/sizeof(WCHAR),style);
4240 }
4241 else if (lParam & GCS_COMPSTR)
4242 {
4243 LPWSTR lpCompStr = NULL;
4244 DWORD dwBufLen;
4245
4246 dwBufLen = ImmGetCompositionStringW(hIMC, GCS_COMPSTR, NULL, 0);
4247 lpCompStr = HeapAlloc(GetProcessHeap(),0,dwBufLen + sizeof(WCHAR));
4248 ImmGetCompositionStringW(hIMC, GCS_COMPSTR, lpCompStr, dwBufLen);
4249 lpCompStr[dwBufLen/sizeof(WCHAR)] = 0;
4250
4251 ME_InsertTextFromCursor(editor,0,lpCompStr,dwBufLen/sizeof(WCHAR),style);
4252 ME_SetSelection(editor,editor->imeStartIndex,
4253 editor->imeStartIndex + dwBufLen/sizeof(WCHAR));
4254 }
4255 ME_ReleaseStyle(style);
4256 ME_UpdateRepaint(editor);
4257 return 0;
4258 }
4259 case WM_IME_ENDCOMPOSITION:
4260 {
4261 ME_DeleteSelection(editor);
4262 editor->imeStartIndex=-1;
4263 return 0;
4264 }
4265 case EM_GETOLEINTERFACE:
4266 {
4267 LPVOID *ppvObj = (LPVOID*) lParam;
4268 return CreateIRichEditOle(editor, ppvObj);
4269 }
4270 case EM_GETPASSWORDCHAR:
4271 {
4272 return editor->cPasswordMask;
4273 }
4274 case EM_SETOLECALLBACK:
4275 if(editor->lpOleCallback)
4276 IUnknown_Release(editor->lpOleCallback);
4277 editor->lpOleCallback = (LPRICHEDITOLECALLBACK)lParam;
4278 if(editor->lpOleCallback)
4279 IUnknown_AddRef(editor->lpOleCallback);
4280 return TRUE;
4281 case EM_GETWORDBREAKPROC:
4282 return (LRESULT)editor->pfnWordBreak;
4283 case EM_SETWORDBREAKPROC:
4284 {
4285 EDITWORDBREAKPROCW pfnOld = editor->pfnWordBreak;
4286
4287 editor->pfnWordBreak = (EDITWORDBREAKPROCW)lParam;
4288 return (LRESULT)pfnOld;
4289 }
4290 case EM_GETTEXTMODE:
4291 return editor->mode;
4292 case EM_SETTEXTMODE:
4293 {
4294 LRESULT ret;
4295 int mask = 0;
4296 int changes = 0;
4297 GETTEXTLENGTHEX how;
4298
4299 /* CR/LF conversion required in 2.0 mode, verbatim in 1.0 mode */
4300 how.flags = GTL_CLOSE | (editor->bEmulateVersion10 ? 0 : GTL_USECRLF) | GTL_NUMCHARS;
4301 how.codepage = unicode ? 1200 : CP_ACP;
4302 ret = ME_GetTextLengthEx(editor, &how);
4303 if (!ret)
4304 {
4305 /*Check for valid wParam*/
4306 if ((((wParam & TM_RICHTEXT) && ((wParam & TM_PLAINTEXT) << 1))) ||
4307 (((wParam & TM_MULTILEVELUNDO) && ((wParam & TM_SINGLELEVELUNDO) << 1))) ||
4308 (((wParam & TM_MULTICODEPAGE) && ((wParam & TM_SINGLECODEPAGE) << 1))))
4309 return 1;
4310 else
4311 {
4312 if (wParam & (TM_RICHTEXT | TM_PLAINTEXT))
4313 {
4314 mask |= (TM_RICHTEXT | TM_PLAINTEXT);
4315 changes |= (wParam & (TM_RICHTEXT | TM_PLAINTEXT));
4316 }
4317 /*FIXME: Currently no support for undo level and code page options*/
4318 editor->mode = (editor->mode & (~mask)) | changes;
4319 return 0;
4320 }
4321 }
4322 return ret;
4323 }
4324 case EM_SETPASSWORDCHAR:
4325 {
4326 editor->cPasswordMask = wParam;
4327 ME_RewrapRepaint(editor);
4328 return 0;
4329 }
4330 case EM_SETTARGETDEVICE:
4331 if (wParam == 0)
4332 {
4333 BOOL new = (lParam == 0);
4334 if (editor->nAvailWidth || editor->bWordWrap != new)
4335 {
4336 editor->bWordWrap = new;
4337 editor->nAvailWidth = 0; /* wrap to client area */
4338 ME_RewrapRepaint(editor);
4339 }
4340 } else {
4341 int width = max(0, lParam);
4342 if (!editor->bWordWrap || editor->nAvailWidth != width)
4343 {
4344 editor->nAvailWidth = width;
4345 editor->bWordWrap = TRUE;
4346 ME_RewrapRepaint(editor);
4347 }
4348 FIXME("EM_SETTARGETDEVICE doesn't use non-NULL target devices\n");
4349 }
4350 return TRUE;
4351 default:
4352 do_default:
4353 *phresult = S_FALSE;
4354 break;
4355 }
4356 return 0L;
4357 }
4358
4359 static LRESULT RichEditWndProc_common(HWND hWnd, UINT msg, WPARAM wParam,
4360 LPARAM lParam, BOOL unicode)
4361 {
4362 ME_TextEditor *editor;
4363 HRESULT hresult;
4364 LRESULT lresult = 0;
4365
4366 TRACE("enter hwnd %p msg %04x (%s) %lx %lx, unicode %d\n",
4367 hWnd, msg, get_msg_name(msg), wParam, lParam, unicode);
4368
4369 editor = (ME_TextEditor *)GetWindowLongPtrW(hWnd, 0);
4370 if (!editor)
4371 {
4372 if (msg == WM_NCCREATE)
4373 {
4374 CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam;
4375 ITextHost *texthost;
4376
4377 TRACE("WM_NCCREATE: hWnd %p style 0x%08x\n", hWnd, pcs->style);
4378 texthost = ME_CreateTextHost(hWnd, FALSE);
4379 return texthost != NULL;
4380 }
4381 else if (msg != WM_NCDESTROY)
4382 {
4383 ERR("called with invalid hWnd %p - application bug?\n", hWnd);
4384 return 0;
4385 }
4386 }
4387
4388 switch (msg)
4389 {
4390 case WM_PAINT:
4391 {
4392 HDC hDC;
4393 RECT rc;
4394 PAINTSTRUCT ps;
4395
4396 hDC = BeginPaint(editor->hWnd, &ps);
4397 /* Erase area outside of the formatting rectangle */
4398 if (ps.rcPaint.top < editor->rcFormat.top)
4399 {
4400 rc = ps.rcPaint;
4401 rc.bottom = editor->rcFormat.top;
4402 FillRect(hDC, &rc, editor->hbrBackground);
4403 ps.rcPaint.top = editor->rcFormat.top;
4404 }
4405 if (ps.rcPaint.bottom > editor->rcFormat.bottom) {
4406 rc = ps.rcPaint;
4407 rc.top = editor->rcFormat.bottom;
4408 FillRect(hDC, &rc, editor->hbrBackground);
4409 ps.rcPaint.bottom = editor->rcFormat.bottom;
4410 }
4411 if (ps.rcPaint.left < editor->rcFormat.left) {
4412 rc = ps.rcPaint;
4413 rc.right = editor->rcFormat.left;
4414 FillRect(hDC, &rc, editor->hbrBackground);
4415 ps.rcPaint.left = editor->rcFormat.left;
4416 }
4417 if (ps.rcPaint.right > editor->rcFormat.right) {
4418 rc = ps.rcPaint;
4419 rc.left = editor->rcFormat.right;
4420 FillRect(hDC, &rc, editor->hbrBackground);
4421 ps.rcPaint.right = editor->rcFormat.right;
4422 }
4423
4424 ME_PaintContent(editor, hDC, FALSE, &ps.rcPaint);
4425 EndPaint(editor->hWnd, &ps);
4426 return 0;
4427 }
4428 case WM_ERASEBKGND:
4429 {
4430 HDC hDC = (HDC)wParam;
4431 RECT rc;
4432
4433 if (GetUpdateRect(editor->hWnd, &rc, TRUE))
4434 FillRect(hDC, &rc, editor->hbrBackground);
4435 return 1;
4436 }
4437 case EM_SETOPTIONS:
4438 {
4439 DWORD dwStyle;
4440 const DWORD mask = ECO_VERTICAL | ECO_AUTOHSCROLL | ECO_AUTOVSCROLL |
4441 ECO_NOHIDESEL | ECO_READONLY | ECO_WANTRETURN |
4442 ECO_SELECTIONBAR;
4443 lresult = ME_HandleMessage(editor, msg, wParam, lParam, unicode, &hresult);
4444 dwStyle = GetWindowLongW(hWnd, GWL_STYLE);
4445 dwStyle = (dwStyle & ~mask) | (lresult & mask);
4446 SetWindowLongW(hWnd, GWL_STYLE, dwStyle);
4447 return lresult;
4448 }
4449 case EM_SETREADONLY:
4450 {
4451 DWORD dwStyle;
4452 lresult = ME_HandleMessage(editor, msg, wParam, lParam, unicode, &hresult);
4453 dwStyle = GetWindowLongW(hWnd, GWL_STYLE);
4454 dwStyle &= ~ES_READONLY;
4455 if (wParam)
4456 dwStyle |= ES_READONLY;
4457 SetWindowLongW(hWnd, GWL_STYLE, dwStyle);
4458 return lresult;
4459 }
4460 default:
4461 lresult = ME_HandleMessage(editor, msg, wParam, lParam, unicode, &hresult);
4462 }
4463
4464 if (hresult == S_FALSE)
4465 lresult = DefWindowProcW(hWnd, msg, wParam, lParam);
4466
4467 TRACE("exit hwnd %p msg %04x (%s) %lx %lx, unicode %d -> %lu\n",
4468 hWnd, msg, get_msg_name(msg), wParam, lParam, unicode, lresult);
4469
4470 return lresult;
4471 }
4472
4473 static LRESULT WINAPI RichEditWndProcW(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4474 {
4475 BOOL unicode = TRUE;
4476
4477 /* Under Win9x RichEdit20W returns ANSI strings, see the tests. */
4478 if (msg == WM_GETTEXT && (GetVersion() & 0x80000000))
4479 unicode = FALSE;
4480
4481 return RichEditWndProc_common(hWnd, msg, wParam, lParam, unicode);
4482 }
4483
4484 static LRESULT WINAPI RichEditWndProcA(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4485 {
4486 return RichEditWndProc_common(hWnd, msg, wParam, lParam, FALSE);
4487 }
4488
4489 /******************************************************************
4490 * RichEditANSIWndProc (RICHED20.10)
4491 */
4492 LRESULT WINAPI RichEditANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4493 {
4494 return RichEditWndProcA(hWnd, msg, wParam, lParam);
4495 }
4496
4497 /******************************************************************
4498 * RichEdit10ANSIWndProc (RICHED20.9)
4499 */
4500 LRESULT WINAPI RichEdit10ANSIWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
4501 {
4502 if (msg == WM_NCCREATE && !GetWindowLongPtrW(hWnd, 0))
4503 {
4504 ITextHost *texthost;
4505 CREATESTRUCTW *pcs = (CREATESTRUCTW *)lParam;
4506
4507 TRACE("WM_NCCREATE: hWnd %p style 0x%08x\n", hWnd, pcs->style);
4508 texthost = ME_CreateTextHost(hWnd, TRUE);
4509 return texthost != NULL;
4510 }
4511 return RichEditANSIWndProc(hWnd, msg, wParam, lParam);
4512 }
4513
4514 void ME_SendOldNotify(ME_TextEditor *editor, int nCode)
4515 {
4516 ITextHost_TxNotify(editor->texthost, nCode, NULL);
4517 }
4518
4519 int ME_CountParagraphsBetween(ME_TextEditor *editor, int from, int to)
4520 {
4521 ME_DisplayItem *item = ME_FindItemFwd(editor->pBuffer->pFirst, diParagraph);
4522 int i = 0;
4523
4524 while(item && item->member.para.next_para->member.para.nCharOfs <= from)
4525 item = item->member.para.next_para;
4526 if (!item)
4527 return 0;
4528 while(item && item->member.para.next_para->member.para.nCharOfs <= to) {
4529 item = item->member.para.next_para;
4530 i++;
4531 }
4532 return i;
4533 }
4534
4535
4536 int ME_GetTextW(ME_TextEditor *editor, WCHAR *buffer, int nStart,
4537 int nChars, int bCRLF)
4538 {
4539 ME_DisplayItem *pRun;
4540 int nOffset, nWritten = 0;
4541 WCHAR *pStart = buffer;
4542
4543 ME_RunOfsFromCharOfs(editor, nStart, &pRun, &nOffset);
4544
4545 /* bCRLF flag is only honored in 2.0 and up. 1.0 must always return text verbatim */
4546 if (editor->bEmulateVersion10) bCRLF = 0;
4547
4548 while (nChars && pRun)
4549 {
4550 int nLen;
4551
4552 if (pRun->member.run.nFlags & MERF_ENDCELL &&
4553 pRun->member.run.nFlags & MERF_ENDPARA)
4554 {
4555 *buffer = '\t';
4556 nLen = 1;
4557 } else if (pRun->member.run.nFlags & MERF_ENDPARA) {
4558 if (!ME_FindItemFwd(pRun, diRun)) {
4559 /* No '\r' is appended to the last paragraph. */
4560 nLen = 0;
4561 } else if (bCRLF && nChars == 1) {
4562 nLen = 0;
4563 nChars = 0;
4564 } else {
4565 WCHAR cr_lf[] = {'\r', '\n', 0};
4566 WCHAR *szData;
4567
4568 if (bCRLF)
4569 {
4570 nLen = 2;
4571 szData = cr_lf;
4572 } else {
4573 nLen = pRun->member.run.strText->nLen;
4574 szData = pRun->member.run.strText->szData;
4575 }
4576 nLen = min(nChars, nLen - nOffset);
4577 CopyMemory(buffer, szData + nOffset, sizeof(WCHAR) * nLen);
4578 }
4579 } else {
4580 nLen = min(nChars, pRun->member.run.strText->nLen - nOffset);
4581 CopyMemory(buffer, pRun->member.run.strText->szData + nOffset,
4582 sizeof(WCHAR) * nLen);
4583 }
4584 nChars -= nLen;
4585 nWritten += nLen;
4586 buffer += nLen;
4587 nOffset = 0;
4588
4589 pRun = ME_FindItemFwd(pRun, diRun);
4590 }
4591 *buffer = 0;
4592 TRACE("nWritten=%d, actual=%d\n", nWritten, buffer-pStart);
4593 return nWritten;
4594 }
4595
4596 static BOOL ME_RegisterEditorClass(HINSTANCE hInstance)
4597 {
4598 WNDCLASSW wcW;
4599 WNDCLASSA wcA;
4600
4601 wcW.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
4602 wcW.lpfnWndProc = RichEditWndProcW;
4603 wcW.cbClsExtra = 0;
4604 wcW.cbWndExtra = sizeof(ME_TextEditor *);
4605 wcW.hInstance = NULL; /* hInstance would register DLL-local class */
4606 wcW.hIcon = NULL;
4607 wcW.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
4608 wcW.hbrBackground = GetStockObject(NULL_BRUSH);
4609 wcW.lpszMenuName = NULL;
4610
4611 if (is_version_nt())
4612 {
4613 wcW.lpszClassName = RichEdit20W;
4614 if (!RegisterClassW(&wcW)) return FALSE;
4615 wcW.lpszClassName = RichEdit50W;
4616 if (!RegisterClassW(&wcW)) return FALSE;
4617 }
4618 else
4619 {
4620 /* WNDCLASSA/W have the same layout */
4621 wcW.lpszClassName = (LPCWSTR)"RichEdit20W";
4622 if (!RegisterClassA((WNDCLASSA *)&wcW)) return FALSE;
4623 wcW.lpszClassName = (LPCWSTR)"RichEdit50W";
4624 if (!RegisterClassA((WNDCLASSA *)&wcW)) return FALSE;
4625 }
4626
4627 wcA.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW | CS_GLOBALCLASS;
4628 wcA.lpfnWndProc = RichEditWndProcA;
4629 wcA.cbClsExtra = 0;
4630 wcA.cbWndExtra = sizeof(ME_TextEditor *);
4631 wcA.hInstance = NULL; /* hInstance would register DLL-local class */
4632 wcA.hIcon = NULL;
4633 wcA.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_IBEAM));
4634 wcA.hbrBackground = GetStockObject(NULL_BRUSH);
4635 wcA.lpszMenuName = NULL;
4636 wcA.lpszClassName = "RichEdit20A";
4637 if (!RegisterClassA(&wcA)) return FALSE;
4638 wcA.lpszClassName = "RichEdit50A";
4639 if (!RegisterClassA(&wcA)) return FALSE;
4640
4641 return TRUE;
4642 }
4643
4644 LRESULT WINAPI REComboWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
4645 /* FIXME: Not implemented */
4646 TRACE("hWnd %p msg %04x (%s) %08lx %08lx\n",
4647 hWnd, msg, get_msg_name(msg), wParam, lParam);
4648 return DefWindowProcW(hWnd, msg, wParam, lParam);
4649 }
4650
4651 LRESULT WINAPI REListWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) {
4652 /* FIXME: Not implemented */
4653 TRACE("hWnd %p msg %04x (%s) %08lx %08lx\n",
4654 hWnd, msg, get_msg_name(msg), wParam, lParam);
4655 return DefWindowProcW(hWnd, msg, wParam, lParam);
4656 }
4657
4658 /******************************************************************
4659 * REExtendedRegisterClass (RICHED20.8)
4660 *
4661 * FIXME undocumented
4662 * Need to check for errors and implement controls and callbacks
4663 */
4664 LRESULT WINAPI REExtendedRegisterClass(void)
4665 {
4666 WNDCLASSW wcW;
4667 UINT result;
4668
4669 FIXME("semi stub\n");
4670
4671 wcW.cbClsExtra = 0;
4672 wcW.cbWndExtra = 4;
4673 wcW.hInstance = NULL;
4674 wcW.hIcon = NULL;
4675 wcW.hCursor = NULL;
4676 wcW.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
4677 wcW.lpszMenuName = NULL;
4678
4679 if (!ME_ListBoxRegistered)
4680 {
4681 wcW.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS;
4682 wcW.lpfnWndProc = REListWndProc;
4683 wcW.lpszClassName = REListBox20W;
4684 if (RegisterClassW(&wcW)) ME_ListBoxRegistered = TRUE;
4685 }
4686
4687 if (!ME_ComboBoxRegistered)
4688 {
4689 wcW.style = CS_PARENTDC | CS_DBLCLKS | CS_GLOBALCLASS | CS_VREDRAW | CS_HREDRAW;
4690 wcW.lpfnWndProc = REComboWndProc;
4691 wcW.lpszClassName = REComboBox20W;
4692 if (RegisterClassW(&wcW)) ME_ComboBoxRegistered = TRUE;
4693 }
4694
4695 result = 0;
4696 if (ME_ListBoxRegistered)
4697 result += 1;
4698 if (ME_ComboBoxRegistered)
4699 result += 2;
4700
4701 return result;
4702 }
4703
4704 static BOOL isurlspecial(WCHAR c)
4705 {
4706 static const WCHAR special_chars[] = {'.','/','%','@','*','|','\\','+','#',0};
4707 return strchrW( special_chars, c ) != NULL;
4708 }
4709
4710 /**
4711 * This proc takes a selection, and scans it forward in order to select the span
4712 * of a possible URL candidate. A possible URL candidate must start with isalnum
4713 * or one of the following special characters: *|/\+%#@ and must consist entirely
4714 * of the characters allowed to start the URL, plus : (colon) which may occur
4715 * at most once, and not at either end.
4716 *
4717 * sel_max == -1 indicates scan to end of text.
4718 */
4719 static BOOL ME_FindNextURLCandidate(ME_TextEditor *editor, int sel_min, int sel_max,
4720 int * candidate_min, int * candidate_max)
4721 {
4722 ME_DisplayItem * item;
4723 ME_DisplayItem * para;
4724 int nStart;
4725 BOOL foundColon = FALSE;
4726 WCHAR lastAcceptedChar = '\0';
4727
4728 TRACE("sel_min = %d sel_max = %d\n", sel_min, sel_max);
4729
4730 *candidate_min = *candidate_max = -1;
4731 ME_RunOfsFromCharOfs(editor, sel_min, &item, &nStart);
4732 if (!item) return FALSE;
4733 TRACE("nStart = %d\n", nStart);
4734 para = ME_GetParagraph(item);
4735 if (sel_max == -1) sel_max = ME_GetTextLength(editor);
4736 while (item && para->member.para.nCharOfs + item->member.run.nCharOfs + nStart < sel_max)
4737 {
4738 ME_DisplayItem * next_item;
4739
4740 if (!(item->member.run.nFlags & MERF_ENDPARA)) {
4741 /* Find start of candidate */
4742 if (*candidate_min == -1) {
4743 while (nStart < ME_StrLen(item->member.run.strText) &&
4744 !(isalnumW(item->member.run.strText->szData[nStart]) ||
4745 isurlspecial(item->member.run.strText->szData[nStart]))) {
4746 nStart++;
4747 }
4748 if (nStart < ME_StrLen(item->member.run.strText) &&
4749 (isalnumW(item->member.run.strText->szData[nStart]) ||
4750 isurlspecial(item->member.run.strText->szData[nStart]))) {
4751 *candidate_min = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4752 lastAcceptedChar = item->member.run.strText->szData[nStart];
4753 nStart++;
4754 }
4755 }
4756
4757 /* Find end of candidate */
4758 if (*candidate_min >= 0) {
4759 while (nStart < ME_StrLen(item->member.run.strText) &&
4760 (isalnumW(item->member.run.strText->szData[nStart]) ||
4761 isurlspecial(item->member.run.strText->szData[nStart]) ||
4762 (!foundColon && item->member.run.strText->szData[nStart] == ':') )) {
4763 if (item->member.run.strText->szData[nStart] == ':') foundColon = TRUE;
4764 lastAcceptedChar = item->member.run.strText->szData[nStart];
4765 nStart++;
4766 }
4767 if (nStart < ME_StrLen(item->member.run.strText) &&
4768 !(isalnumW(item->member.run.strText->szData[nStart]) ||
4769 isurlspecial(item->member.run.strText->szData[nStart]) )) {
4770 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4771 nStart++;
4772 if (lastAcceptedChar == ':') (*candidate_max)--;
4773 return TRUE;
4774 }
4775 }
4776 } else {
4777 /* End of paragraph: skip it if before candidate span, or terminates
4778 current active span */
4779 if (*candidate_min >= 0) {
4780 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs;
4781 if (lastAcceptedChar == ':') (*candidate_max)--;
4782 return TRUE;
4783 }
4784 }
4785
4786 /* Reaching this point means no span was found, so get next span */
4787 next_item = ME_FindItemFwd(item, diRun);
4788 if (!next_item) {
4789 if (*candidate_min >= 0) {
4790 /* There are no further runs, so take end of text as end of candidate */
4791 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4792 if (lastAcceptedChar == ':') (*candidate_max)--;
4793 return TRUE;
4794 }
4795 }
4796 item = next_item;
4797 para = ME_GetParagraph(item);
4798 nStart = 0;
4799 }
4800
4801 if (item) {
4802 if (*candidate_min >= 0) {
4803 /* There are no further runs, so take end of text as end of candidate */
4804 *candidate_max = para->member.para.nCharOfs + item->member.run.nCharOfs + nStart;
4805 if (lastAcceptedChar == ':') (*candidate_max)--;
4806 return TRUE;
4807 }
4808 }
4809 return FALSE;
4810 }
4811
4812 /**
4813 * This proc evaluates the selection and returns TRUE if it can be considered an URL
4814 */
4815 static BOOL ME_IsCandidateAnURL(ME_TextEditor *editor, int sel_min, int sel_max)
4816 {
4817 struct prefix_s {
4818 const char *text;
4819 int length;
4820 } prefixes[12] = {
4821 /* Code below depends on these being in decreasing length order! */
4822 {"prospero:", 10},
4823 {"telnet:", 8},
4824 {"gopher:", 8},
4825 {"mailto:", 8},
4826 {"https:", 7},
4827 {"file:", 6},
4828 {"news:", 6},
4829 {"wais:", 6},
4830 {"nntp:", 6},
4831 {"http:", 5},
4832 {"www.", 5},
4833 {"ftp:", 5},
4834 };
4835 LPWSTR bufferW = NULL;
4836 WCHAR bufW[32];
4837 unsigned int i;
4838
4839 if (sel_max == -1) sel_max = ME_GetTextLength(editor);
4840 assert(sel_min <= sel_max);
4841 for (i = 0; i < sizeof(prefixes) / sizeof(struct prefix_s); i++)
4842 {
4843 if (sel_max - sel_min < prefixes[i].length) continue;
4844 if (bufferW == NULL) {
4845 bufferW = heap_alloc((sel_max - sel_min + 1) * sizeof(WCHAR));
4846 }
4847 ME_GetTextW(editor, bufferW, sel_min, min(sel_max - sel_min, lstrlenA(prefixes[i].text)), 0);
4848 MultiByteToWideChar(CP_ACP, 0, prefixes[i].text, -1, bufW, 32);
4849 if (!lstrcmpW(bufW, bufferW))
4850 {
4851 heap_free(bufferW);
4852 return TRUE;
4853 }
4854 }
4855 heap_free(bufferW);
4856 return FALSE;
4857 }
4858
4859 /**
4860 * This proc walks through the indicated selection and evaluates whether each
4861 * section identified by ME_FindNextURLCandidate and in-between sections have
4862 * their proper CFE_LINK attributes set or unset. If the CFE_LINK attribute is
4863 * not what it is supposed to be, this proc sets or unsets it as appropriate.
4864 *
4865 * Returns TRUE if at least one section was modified.
4866 */
4867 static BOOL ME_UpdateLinkAttribute(ME_TextEditor *editor, int sel_min, int sel_max)
4868 {
4869 BOOL modified = FALSE;
4870 int cMin, cMax;
4871
4872 if (sel_max == -1) sel_max = ME_GetTextLength(editor);
4873 do
4874 {
4875 int beforeURL[2];
4876 int inURL[2];
4877 CHARFORMAT2W link;
4878
4879 if (ME_FindNextURLCandidate(editor, sel_min, sel_max, &cMin, &cMax))
4880 {
4881 /* Section before candidate is not an URL */
4882 beforeURL[0] = sel_min;
4883 beforeURL[1] = cMin;
4884
4885 if (ME_IsCandidateAnURL(editor, cMin, cMax))
4886 {
4887 inURL[0] = cMin; inURL[1] = cMax;
4888 }
4889 else
4890 {
4891 beforeURL[1] = cMax;
4892 inURL[0] = inURL[1] = -1;
4893 }
4894 sel_min = cMax;
4895 }
4896 else
4897 {
4898 /* No more candidates until end of selection */
4899 beforeURL[0] = sel_min;
4900 beforeURL[1] = sel_max;
4901 inURL[0] = inURL[1] = -1;
4902 sel_min = sel_max;
4903 }
4904
4905 if (beforeURL[0] < beforeURL[1])
4906 {
4907 /* CFE_LINK effect should be consistently unset */
4908 link.cbSize = sizeof(link);
4909 ME_GetCharFormat(editor, beforeURL[0], beforeURL[1], &link);
4910 if (!(link.dwMask & CFM_LINK) || (link.dwEffects & CFE_LINK))
4911 {
4912 /* CFE_LINK must be unset from this range */
4913 memset(&link, 0, sizeof(CHARFORMAT2W));
4914 link.cbSize = sizeof(link);
4915 link.dwMask = CFM_LINK;
4916 link.dwEffects = 0;
4917 ME_SetCharFormat(editor, beforeURL[0], beforeURL[1] - beforeURL[0], &link);
4918 modified = TRUE;
4919 }
4920 }
4921 if (inURL[0] < inURL[1])
4922 {
4923 /* CFE_LINK effect should be consistently set */
4924 link.cbSize = sizeof(link);
4925 ME_GetCharFormat(editor, inURL[0], inURL[1], &link);
4926 if (!(link.dwMask & CFM_LINK) || !(link.dwEffects & CFE_LINK))
4927 {
4928 /* CFE_LINK must be set on this range */
4929 memset(&link, 0, sizeof(CHARFORMAT2W));
4930 link.cbSize = sizeof(link);
4931 link.dwMask = CFM_LINK;
4932 link.dwEffects = CFE_LINK;
4933 ME_SetCharFormat(editor, inURL[0], inURL[1] - inURL[0], &link);
4934 modified = TRUE;
4935 }
4936 }
4937 } while (sel_min < sel_max);
4938 return modified;
4939 }
useful hacks and other patches not (yet) suitable for mainline