1 /*
2 * RichEdit - functions working on paragraphs of text (diParagraph).
3 *
4 * Copyright 2004 by Krzysztof Foltman
5 * Copyright 2006 by Phil Krylov
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "editor.h"
23
24 WINE_DEFAULT_DEBUG_CHANNEL(richedit);
25
26 static const WCHAR wszParagraphSign[] = {0xB6, 0};
27
28 void ME_MakeFirstParagraph(ME_TextEditor *editor)
29 {
30 ME_Context c;
31 CHARFORMAT2W cf;
32 LOGFONTW lf;
33 HFONT hf;
34 ME_TextBuffer *text = editor->pBuffer;
35 ME_DisplayItem *para = ME_MakeDI(diParagraph);
36 ME_DisplayItem *run;
37 ME_Style *style;
38
39 ME_InitContext(&c, editor, GetDC(editor->hWnd));
40
41 hf = GetStockObject(SYSTEM_FONT);
42 assert(hf);
43 GetObjectW(hf, sizeof(LOGFONTW), &lf);
44 ZeroMemory(&cf, sizeof(cf));
45 cf.cbSize = sizeof(cf);
46 cf.dwMask = CFM_BACKCOLOR|CFM_COLOR|CFM_FACE|CFM_SIZE|CFM_CHARSET;
47 cf.dwMask |= CFM_ALLCAPS|CFM_BOLD|CFM_DISABLED|CFM_EMBOSS|CFM_HIDDEN;
48 cf.dwMask |= CFM_IMPRINT|CFM_ITALIC|CFM_LINK|CFM_OUTLINE|CFM_PROTECTED;
49 cf.dwMask |= CFM_REVISED|CFM_SHADOW|CFM_SMALLCAPS|CFM_STRIKEOUT;
50 cf.dwMask |= CFM_SUBSCRIPT|CFM_UNDERLINETYPE|CFM_WEIGHT;
51
52 cf.dwEffects = CFE_AUTOCOLOR | CFE_AUTOBACKCOLOR;
53 lstrcpyW(cf.szFaceName, lf.lfFaceName);
54 /* Convert system font height from logical units to twips for cf.yHeight */
55 cf.yHeight = (lf.lfHeight * 72 * 1440) / (c.dpi.cy * c.dpi.cy);
56 if (lf.lfWeight > FW_NORMAL) cf.dwEffects |= CFE_BOLD;
57 cf.wWeight = lf.lfWeight;
58 if (lf.lfItalic) cf.dwEffects |= CFE_ITALIC;
59 cf.bUnderlineType = (lf.lfUnderline) ? CFU_CF1UNDERLINE : CFU_UNDERLINENONE;
60 if (lf.lfStrikeOut) cf.dwEffects |= CFE_STRIKEOUT;
61 cf.bPitchAndFamily = lf.lfPitchAndFamily;
62 cf.bCharSet = lf.lfCharSet;
63
64 style = ME_MakeStyle(&cf);
65 text->pDefaultStyle = style;
66
67 run = ME_MakeRun(style, ME_MakeString(wszParagraphSign), MERF_ENDPARA);
68 run->member.run.nCharOfs = 0;
69 run->member.run.nCR = 1;
70 run->member.run.nLF = (editor->bEmulateVersion10) ? 1 : 0;
71
72 ME_InsertBefore(text->pLast, para);
73 ME_InsertBefore(text->pLast, run);
74 para->member.para.prev_para = text->pFirst;
75 para->member.para.next_para = text->pLast;
76 text->pFirst->member.para.next_para = para;
77 text->pLast->member.para.prev_para = para;
78
79 text->pLast->member.para.nCharOfs = 1;
80
81 ME_DestroyContext(&c, editor->hWnd);
82 }
83
84 void ME_MarkAllForWrapping(ME_TextEditor *editor)
85 {
86 ME_MarkForWrapping(editor, editor->pBuffer->pFirst->member.para.next_para, editor->pBuffer->pLast);
87 }
88
89 void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last)
90 {
91 while(first != last)
92 {
93 first->member.para.nFlags |= MEPF_REWRAP;
94 first = first->member.para.next_para;
95 }
96 }
97
98 void ME_MarkForPainting(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last)
99 {
100 while(first != last && first)
101 {
102 first->member.para.nFlags |= MEPF_REPAINT;
103 first = first->member.para.next_para;
104 }
105 }
106
107 static void ME_UpdateTableFlags(ME_DisplayItem *para)
108 {
109 para->member.para.pFmt->dwMask |= PFM_TABLE|PFM_TABLEROWDELIMITER;
110 if (para->member.para.pCell) {
111 para->member.para.nFlags |= MEPF_CELL;
112 } else {
113 para->member.para.nFlags &= ~MEPF_CELL;
114 }
115 if (para->member.para.nFlags & MEPF_ROWEND) {
116 para->member.para.pFmt->wEffects |= PFE_TABLEROWDELIMITER;
117 } else {
118 para->member.para.pFmt->wEffects &= ~PFE_TABLEROWDELIMITER;
119 }
120 if (para->member.para.nFlags & (MEPF_ROWSTART|MEPF_CELL|MEPF_ROWEND))
121 para->member.para.pFmt->wEffects |= PFE_TABLE;
122 else
123 para->member.para.pFmt->wEffects &= ~PFE_TABLE;
124 }
125
126 /* split paragraph at the beginning of the run */
127 ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *run,
128 ME_Style *style, int numCR, int numLF,
129 int paraFlags)
130 {
131 ME_DisplayItem *next_para = NULL;
132 ME_DisplayItem *run_para = NULL;
133 ME_DisplayItem *new_para = ME_MakeDI(diParagraph);
134 ME_DisplayItem *end_run;
135 ME_UndoItem *undo = NULL;
136 int ofs;
137 ME_DisplayItem *pp;
138 int end_len = numCR + numLF;
139 int run_flags = MERF_ENDPARA;
140 if (!editor->bEmulateVersion10) { /* v4.1 */
141 /* At most 1 of MEPF_CELL, MEPF_ROWSTART, or MEPF_ROWEND should be set. */
142 assert(!(paraFlags & ~(MEPF_CELL|MEPF_ROWSTART|MEPF_ROWEND)));
143 assert(!(paraFlags & (paraFlags-1)));
144 if (paraFlags == MEPF_CELL)
145 run_flags |= MERF_ENDCELL;
146 else if (paraFlags == MEPF_ROWSTART)
147 run_flags |= MERF_TABLESTART|MERF_HIDDEN;
148 } else { /* v1.0 - v3.0 */
149 assert(!(paraFlags & (MEPF_CELL|MEPF_ROWSTART|MEPF_ROWEND)));
150 }
151 end_run = ME_MakeRun(style,ME_MakeString(wszParagraphSign), run_flags);
152
153 assert(run->type == diRun);
154
155 end_run->member.run.nCR = numCR;
156 end_run->member.run.nLF = numLF;
157 run_para = ME_GetParagraph(run);
158 assert(run_para->member.para.pFmt->cbSize == sizeof(PARAFORMAT2));
159
160 ofs = end_run->member.run.nCharOfs = run->member.run.nCharOfs;
161 next_para = run_para->member.para.next_para;
162 assert(next_para == ME_FindItemFwd(run_para, diParagraphOrEnd));
163
164 undo = ME_AddUndoItem(editor, diUndoJoinParagraphs, NULL);
165 if (undo)
166 undo->nStart = run_para->member.para.nCharOfs + ofs;
167
168 /* the new paragraph will have a different starting offset, so let's update its runs */
169 pp = run;
170 while(pp->type == diRun) {
171 pp->member.run.nCharOfs -= ofs;
172 pp = ME_FindItemFwd(pp, diRunOrParagraphOrEnd);
173 }
174 new_para->member.para.nCharOfs = ME_GetParagraph(run)->member.para.nCharOfs+ofs;
175 new_para->member.para.nCharOfs += end_len;
176 new_para->member.para.nFlags = MEPF_REWRAP;
177
178 /* FIXME initialize format style and call ME_SetParaFormat blah blah */
179 *new_para->member.para.pFmt = *run_para->member.para.pFmt;
180 new_para->member.para.border = run_para->member.para.border;
181
182 /* insert paragraph into paragraph double linked list */
183 new_para->member.para.prev_para = run_para;
184 new_para->member.para.next_para = next_para;
185 run_para->member.para.next_para = new_para;
186 next_para->member.para.prev_para = new_para;
187
188 /* insert end run of the old paragraph, and new paragraph, into DI double linked list */
189 ME_InsertBefore(run, new_para);
190 ME_InsertBefore(new_para, end_run);
191
192 if (!editor->bEmulateVersion10) { /* v4.1 */
193 if (paraFlags & (MEPF_ROWSTART|MEPF_CELL))
194 {
195 ME_DisplayItem *cell = ME_MakeDI(diCell);
196 ME_InsertBefore(new_para, cell);
197 new_para->member.para.pCell = cell;
198 cell->member.cell.next_cell = NULL;
199 if (paraFlags & MEPF_ROWSTART)
200 {
201 run_para->member.para.nFlags |= MEPF_ROWSTART;
202 cell->member.cell.prev_cell = NULL;
203 cell->member.cell.parent_cell = run_para->member.para.pCell;
204 if (run_para->member.para.pCell)
205 cell->member.cell.nNestingLevel = run_para->member.para.pCell->member.cell.nNestingLevel + 1;
206 else
207 cell->member.cell.nNestingLevel = 1;
208 } else {
209 cell->member.cell.prev_cell = run_para->member.para.pCell;
210 assert(cell->member.cell.prev_cell);
211 cell->member.cell.prev_cell->member.cell.next_cell = cell;
212 assert(run_para->member.para.nFlags & MEPF_CELL);
213 assert(!(run_para->member.para.nFlags & MEPF_ROWSTART));
214 cell->member.cell.nNestingLevel = cell->member.cell.prev_cell->member.cell.nNestingLevel;
215 cell->member.cell.parent_cell = cell->member.cell.prev_cell->member.cell.parent_cell;
216 }
217 } else if (paraFlags & MEPF_ROWEND) {
218 run_para->member.para.nFlags |= MEPF_ROWEND;
219 run_para->member.para.pCell = run_para->member.para.pCell->member.cell.parent_cell;
220 new_para->member.para.pCell = run_para->member.para.pCell;
221 assert(run_para->member.para.prev_para->member.para.nFlags & MEPF_CELL);
222 assert(!(run_para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART));
223 if (new_para->member.para.pCell != new_para->member.para.next_para->member.para.pCell
224 && new_para->member.para.next_para->member.para.pCell
225 && !new_para->member.para.next_para->member.para.pCell->member.cell.prev_cell)
226 {
227 /* Row starts just after the row that was ended. */
228 new_para->member.para.nFlags |= MEPF_ROWSTART;
229 }
230 } else {
231 new_para->member.para.pCell = run_para->member.para.pCell;
232 }
233 ME_UpdateTableFlags(run_para);
234 ME_UpdateTableFlags(new_para);
235 }
236
237 /* force rewrap of the */
238 run_para->member.para.prev_para->member.para.nFlags |= MEPF_REWRAP;
239 new_para->member.para.prev_para->member.para.nFlags |= MEPF_REWRAP;
240
241 /* we've added the end run, so we need to modify nCharOfs in the next paragraphs */
242 ME_PropagateCharOffset(next_para, end_len);
243 editor->nParagraphs++;
244
245 return new_para;
246 }
247
248 /* join tp with tp->member.para.next_para, keeping tp's style; this
249 * is consistent with the original */
250 ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp,
251 BOOL keepFirstParaFormat)
252 {
253 ME_DisplayItem *pNext, *pFirstRunInNext, *pRun, *pTmp;
254 int i, shift;
255 ME_UndoItem *undo = NULL;
256 int end_len;
257
258 assert(tp->type == diParagraph);
259 assert(tp->member.para.next_para);
260 assert(tp->member.para.next_para->type == diParagraph);
261
262 pNext = tp->member.para.next_para;
263
264 /* Need to locate end-of-paragraph run here, in order to know end_len */
265 pRun = ME_FindItemBack(pNext, diRunOrParagraph);
266
267 assert(pRun);
268 assert(pRun->type == diRun);
269 assert(pRun->member.run.nFlags & MERF_ENDPARA);
270
271 end_len = pRun->member.run.nCR + pRun->member.run.nLF;
272
273 {
274 /* null char format operation to store the original char format for the ENDPARA run */
275 CHARFORMAT2W fmt;
276 ME_InitCharFormat2W(&fmt);
277 ME_SetCharFormat(editor, pNext->member.para.nCharOfs - end_len, end_len, &fmt);
278 }
279 undo = ME_AddUndoItem(editor, diUndoSplitParagraph, pNext);
280 if (undo)
281 {
282 undo->nStart = pNext->member.para.nCharOfs - end_len;
283 undo->nCR = pRun->member.run.nCR;
284 undo->nLF = pRun->member.run.nLF;
285 }
286 if (!keepFirstParaFormat)
287 {
288 ME_AddUndoItem(editor, diUndoSetParagraphFormat, tp);
289 *tp->member.para.pFmt = *pNext->member.para.pFmt;
290 tp->member.para.border = pNext->member.para.border;
291 }
292
293 if (!editor->bEmulateVersion10) { /* v4.1 */
294 /* Table cell/row properties are always moved over from the removed para. */
295 tp->member.para.nFlags = pNext->member.para.nFlags;
296 tp->member.para.pCell = pNext->member.para.pCell;
297
298 /* Remove cell boundary if it is between the end paragraph run and the next
299 * paragraph display item. */
300 pTmp = pRun->next;
301 while (pTmp != pNext) {
302 if (pTmp->type == diCell)
303 {
304 ME_Cell *pCell = &pTmp->member.cell;
305 if (undo)
306 {
307 assert(!(undo->di.member.para.nFlags & MEPF_ROWEND));
308 if (!(undo->di.member.para.nFlags & MEPF_ROWSTART))
309 undo->di.member.para.nFlags |= MEPF_CELL;
310 undo->di.member.para.pCell = ALLOC_OBJ(ME_DisplayItem);
311 *undo->di.member.para.pCell = *pTmp;
312 undo->di.member.para.pCell->next = NULL;
313 undo->di.member.para.pCell->prev = NULL;
314 undo->di.member.para.pCell->member.cell.next_cell = NULL;
315 undo->di.member.para.pCell->member.cell.prev_cell = NULL;
316 }
317 ME_Remove(pTmp);
318 if (pCell->prev_cell)
319 pCell->prev_cell->member.cell.next_cell = pCell->next_cell;
320 if (pCell->next_cell)
321 pCell->next_cell->member.cell.prev_cell = pCell->prev_cell;
322 ME_DestroyDisplayItem(pTmp);
323 break;
324 }
325 pTmp = pTmp->next;
326 }
327 }
328
329 shift = pNext->member.para.nCharOfs - tp->member.para.nCharOfs - end_len;
330
331 pFirstRunInNext = ME_FindItemFwd(pNext, diRunOrParagraph);
332
333 assert(pFirstRunInNext->type == diRun);
334
335 /* if some cursor points at end of paragraph, make it point to the first
336 run of the next joined paragraph */
337 for (i=0; i<editor->nCursors; i++) {
338 if (editor->pCursors[i].pRun == pRun) {
339 editor->pCursors[i].pRun = pFirstRunInNext;
340 editor->pCursors[i].nOffset = 0;
341 }
342 }
343
344 pTmp = pNext;
345 do {
346 pTmp = ME_FindItemFwd(pTmp, diRunOrParagraphOrEnd);
347 if (pTmp->type != diRun)
348 break;
349 TRACE("shifting \"%s\" by %d (previous %d)\n", debugstr_w(pTmp->member.run.strText->szData), shift, pTmp->member.run.nCharOfs);
350 pTmp->member.run.nCharOfs += shift;
351 } while(1);
352
353 ME_Remove(pRun);
354 ME_DestroyDisplayItem(pRun);
355
356 if (editor->pLastSelStartPara == pNext)
357 editor->pLastSelStartPara = tp;
358 if (editor->pLastSelEndPara == pNext)
359 editor->pLastSelEndPara = tp;
360
361 tp->member.para.next_para = pNext->member.para.next_para;
362 pNext->member.para.next_para->member.para.prev_para = tp;
363 ME_Remove(pNext);
364 ME_DestroyDisplayItem(pNext);
365
366 ME_PropagateCharOffset(tp->member.para.next_para, -end_len);
367
368 ME_CheckCharOffsets(editor);
369
370 editor->nParagraphs--;
371 tp->member.para.nFlags |= MEPF_REWRAP;
372 return tp;
373 }
374
375 ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *item) {
376 return ME_FindItemBackOrHere(item, diParagraph);
377 }
378
379 void ME_DumpParaStyleToBuf(const PARAFORMAT2 *pFmt, char buf[2048])
380 {
381 char *p;
382 p = buf;
383
384 #define DUMP(mask, name, fmt, field) \
385 if (pFmt->dwMask & (mask)) p += sprintf(p, "%-22s" fmt "\n", name, pFmt->field); \
386 else p += sprintf(p, "%-22sN/A\n", name);
387
388 /* we take for granted that PFE_xxx is the hiword of the corresponding PFM_xxx */
389 #define DUMP_EFFECT(mask, name) \
390 p += sprintf(p, "%-22s%s\n", name, (pFmt->dwMask & (mask)) ? ((pFmt->wEffects & ((mask) >> 8)) ? "yes" : "no") : "N/A");
391
392 DUMP(PFM_NUMBERING, "Numbering:", "%u", wNumbering);
393 DUMP_EFFECT(PFM_DONOTHYPHEN, "Disable auto-hyphen:");
394 DUMP_EFFECT(PFM_KEEP, "No page break in para:");
395 DUMP_EFFECT(PFM_KEEPNEXT, "No page break in para & next:");
396 DUMP_EFFECT(PFM_NOLINENUMBER, "No line number:");
397 DUMP_EFFECT(PFM_NOWIDOWCONTROL, "No widow & orphan:");
398 DUMP_EFFECT(PFM_PAGEBREAKBEFORE, "Page break before:");
399 DUMP_EFFECT(PFM_RTLPARA, "RTL para:");
400 DUMP_EFFECT(PFM_SIDEBYSIDE, "Side by side:");
401 DUMP_EFFECT(PFM_TABLE, "Table:");
402 DUMP(PFM_OFFSETINDENT, "Offset indent:", "%d", dxStartIndent);
403 DUMP(PFM_STARTINDENT, "Start indent:", "%d", dxStartIndent);
404 DUMP(PFM_RIGHTINDENT, "Right indent:", "%d", dxRightIndent);
405 DUMP(PFM_OFFSET, "Offset:", "%d", dxOffset);
406 if (pFmt->dwMask & PFM_ALIGNMENT) {
407 switch (pFmt->wAlignment) {
408 case PFA_LEFT : p += sprintf(p, "Alignment: left\n"); break;
409 case PFA_RIGHT : p += sprintf(p, "Alignment: right\n"); break;
410 case PFA_CENTER : p += sprintf(p, "Alignment: center\n"); break;
411 case PFA_JUSTIFY: p += sprintf(p, "Alignment: justify\n"); break;
412 default : p += sprintf(p, "Alignment: incorrect %d\n", pFmt->wAlignment); break;
413 }
414 }
415 else p += sprintf(p, "Alignment: N/A\n");
416 DUMP(PFM_TABSTOPS, "Tab Stops:", "%d", cTabCount);
417 if (pFmt->dwMask & PFM_TABSTOPS) {
418 int i;
419 p += sprintf(p, "\t");
420 for (i = 0; i < pFmt->cTabCount; i++) p += sprintf(p, "%x ", pFmt->rgxTabs[i]);
421 p += sprintf(p, "\n");
422 }
423 DUMP(PFM_SPACEBEFORE, "Space Before:", "%d", dySpaceBefore);
424 DUMP(PFM_SPACEAFTER, "Space After:", "%d", dySpaceAfter);
425 DUMP(PFM_LINESPACING, "Line spacing:", "%d", dyLineSpacing);
426 DUMP(PFM_STYLE, "Text style:", "%d", sStyle);
427 DUMP(PFM_LINESPACING, "Line spacing rule:", "%u", bLineSpacingRule);
428 /* bOutlineLevel should be 0 */
429 DUMP(PFM_SHADING, "Shading Weigth:", "%u", wShadingWeight);
430 DUMP(PFM_SHADING, "Shading Style:", "%u", wShadingStyle);
431 DUMP(PFM_NUMBERINGSTART, "Numbering Start:", "%u", wNumberingStart);
432 DUMP(PFM_NUMBERINGSTYLE, "Numbering Style:", "0x%x", wNumberingStyle);
433 DUMP(PFM_NUMBERINGTAB, "Numbering Tab:", "%u", wNumberingStyle);
434 DUMP(PFM_BORDER, "Border Space:", "%u", wBorderSpace);
435 DUMP(PFM_BORDER, "Border Width:", "%u", wBorderWidth);
436 DUMP(PFM_BORDER, "Borders:", "%u", wBorders);
437
438 #undef DUMP
439 #undef DUMP_EFFECT
440 }
441
442 BOOL ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, const PARAFORMAT2 *pFmt)
443 {
444 PARAFORMAT2 copy;
445 assert(sizeof(*para->member.para.pFmt) == sizeof(PARAFORMAT2));
446 ME_AddUndoItem(editor, diUndoSetParagraphFormat, para);
447
448 copy = *para->member.para.pFmt;
449
450 #define COPY_FIELD(m, f) \
451 if (pFmt->dwMask & (m)) { \
452 para->member.para.pFmt->dwMask |= m; \
453 para->member.para.pFmt->f = pFmt->f; \
454 }
455
456 COPY_FIELD(PFM_NUMBERING, wNumbering);
457 #define EFFECTS_MASK (PFM_RTLPARA|PFM_KEEP|PFM_KEEPNEXT|PFM_PAGEBREAKBEFORE| \
458 PFM_NOLINENUMBER|PFM_NOWIDOWCONTROL|PFM_DONOTHYPHEN|PFM_SIDEBYSIDE| \
459 PFM_TABLE)
460 /* we take for granted that PFE_xxx is the hiword of the corresponding PFM_xxx */
461 if (pFmt->dwMask & EFFECTS_MASK) {
462 para->member.para.pFmt->dwMask |= pFmt->dwMask & EFFECTS_MASK;
463 para->member.para.pFmt->wEffects &= ~HIWORD(pFmt->dwMask);
464 para->member.para.pFmt->wEffects |= pFmt->wEffects & HIWORD(pFmt->dwMask);
465 }
466 #undef EFFECTS_MASK
467
468 COPY_FIELD(PFM_STARTINDENT, dxStartIndent);
469 if (pFmt->dwMask & PFM_OFFSETINDENT)
470 para->member.para.pFmt->dxStartIndent += pFmt->dxStartIndent;
471 COPY_FIELD(PFM_RIGHTINDENT, dxRightIndent);
472 COPY_FIELD(PFM_OFFSET, dxOffset);
473 COPY_FIELD(PFM_ALIGNMENT, wAlignment);
474
475 if (pFmt->dwMask & PFM_TABSTOPS)
476 {
477 para->member.para.pFmt->cTabCount = pFmt->cTabCount;
478 memcpy(para->member.para.pFmt->rgxTabs, pFmt->rgxTabs, pFmt->cTabCount*sizeof(LONG));
479 }
480 COPY_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
481 COPY_FIELD(PFM_SPACEAFTER, dySpaceAfter);
482 COPY_FIELD(PFM_LINESPACING, dyLineSpacing);
483 COPY_FIELD(PFM_STYLE, sStyle);
484 COPY_FIELD(PFM_LINESPACING, bLineSpacingRule);
485 COPY_FIELD(PFM_SHADING, wShadingWeight);
486 COPY_FIELD(PFM_SHADING, wShadingStyle);
487 COPY_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
488 COPY_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
489 COPY_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
490 COPY_FIELD(PFM_BORDER, wBorderSpace);
491 COPY_FIELD(PFM_BORDER, wBorderWidth);
492 COPY_FIELD(PFM_BORDER, wBorders);
493
494 para->member.para.pFmt->dwMask |= pFmt->dwMask;
495 #undef COPY_FIELD
496
497 if (memcmp(©, para->member.para.pFmt, sizeof(PARAFORMAT2)))
498 para->member.para.nFlags |= MEPF_REWRAP;
499
500 return TRUE;
501 }
502
503
504 void
505 ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end)
506 {
507 ME_Cursor *pEndCursor = &editor->pCursors[1];
508
509 *para = ME_GetParagraph(editor->pCursors[0].pRun);
510 *para_end = ME_GetParagraph(editor->pCursors[1].pRun);
511 if ((*para_end)->member.para.nCharOfs < (*para)->member.para.nCharOfs) {
512 ME_DisplayItem *tmp = *para;
513
514 *para = *para_end;
515 *para_end = tmp;
516 pEndCursor = &editor->pCursors[0];
517 }
518
519 /* selection consists of chars from nFrom up to nTo-1 */
520 if ((*para_end)->member.para.nCharOfs > (*para)->member.para.nCharOfs) {
521 if (!pEndCursor->nOffset) {
522 *para_end = ME_GetParagraph(ME_FindItemBack(pEndCursor->pRun, diRun));
523 }
524 }
525 }
526
527
528 BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt)
529 {
530 ME_DisplayItem *para, *para_end;
531
532 ME_GetSelectionParas(editor, ¶, ¶_end);
533
534 do {
535 ME_SetParaFormat(editor, para, pFmt);
536 if (para == para_end)
537 break;
538 para = para->member.para.next_para;
539 } while(1);
540
541 return TRUE;
542 }
543
544 void ME_GetParaFormat(ME_TextEditor *editor, const ME_DisplayItem *para, PARAFORMAT2 *pFmt)
545 {
546 if (pFmt->cbSize >= sizeof(PARAFORMAT2))
547 {
548 *pFmt = *para->member.para.pFmt;
549 return;
550 }
551 CopyMemory(pFmt, para->member.para.pFmt, pFmt->cbSize);
552 }
553
554 void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt)
555 {
556 ME_DisplayItem *para, *para_end;
557 PARAFORMAT2 tmp;
558
559 ME_GetSelectionParas(editor, ¶, ¶_end);
560
561 ME_GetParaFormat(editor, para, pFmt);
562 if (para == para_end) return;
563
564 /* Invalidate values that change across the selected paragraphs. */
565 do {
566 ZeroMemory(&tmp, sizeof(tmp));
567 tmp.cbSize = sizeof(tmp);
568 ME_GetParaFormat(editor, para, &tmp);
569
570 #define CHECK_FIELD(m, f) \
571 if (pFmt->f != tmp.f) pFmt->dwMask &= ~(m);
572
573 pFmt->dwMask &= ~((pFmt->wEffects ^ tmp.wEffects) << 16);
574 CHECK_FIELD(PFM_NUMBERING, wNumbering);
575 assert(tmp.dwMask & PFM_ALIGNMENT);
576 CHECK_FIELD(PFM_NUMBERING, wNumbering);
577 assert(tmp.dwMask & PFM_STARTINDENT);
578 CHECK_FIELD(PFM_STARTINDENT, dxStartIndent);
579 assert(tmp.dwMask & PFM_RIGHTINDENT);
580 CHECK_FIELD(PFM_RIGHTINDENT, dxRightIndent);
581 assert(tmp.dwMask & PFM_OFFSET);
582 CHECK_FIELD(PFM_OFFSET, dxOffset);
583 CHECK_FIELD(PFM_ALIGNMENT, wAlignment);
584
585 assert(tmp.dwMask & PFM_TABSTOPS);
586 if (pFmt->dwMask & PFM_TABSTOPS) {
587 if (pFmt->cTabCount != tmp.cTabCount ||
588 memcmp(pFmt->rgxTabs, tmp.rgxTabs, tmp.cTabCount*sizeof(int)))
589 pFmt->dwMask &= ~PFM_TABSTOPS;
590 }
591
592 CHECK_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
593 CHECK_FIELD(PFM_SPACEAFTER, dySpaceAfter);
594 CHECK_FIELD(PFM_LINESPACING, dyLineSpacing);
595 CHECK_FIELD(PFM_STYLE, sStyle);
596 CHECK_FIELD(PFM_SPACEAFTER, bLineSpacingRule);
597 CHECK_FIELD(PFM_SHADING, wShadingWeight);
598 CHECK_FIELD(PFM_SHADING, wShadingStyle);
599 CHECK_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
600 CHECK_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
601 CHECK_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
602 CHECK_FIELD(PFM_BORDER, wBorderSpace);
603 CHECK_FIELD(PFM_BORDER, wBorderWidth);
604 CHECK_FIELD(PFM_BORDER, wBorders);
605
606 #undef CHECK_FIELD
607
608 if (para == para_end)
609 return;
610 para = para->member.para.next_para;
611 } while(1);
612 }
613
614 void ME_SetDefaultParaFormat(PARAFORMAT2 *pFmt)
615 {
616 ZeroMemory(pFmt, sizeof(PARAFORMAT2));
617 pFmt->cbSize = sizeof(PARAFORMAT2);
618 pFmt->dwMask = PFM_ALL2;
619 pFmt->wAlignment = PFA_LEFT;
620 pFmt->sStyle = -1;
621 pFmt->bOutlineLevel = TRUE;
622 }
623
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