dlls/riched20/para.c

   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 void ME_MakeFirstParagraph(ME_TextEditor *editor)
  27 {
  28   ME_Context c;
  29   CHARFORMAT2W cf;
  30   LOGFONTW lf;
  31   HFONT hf;
  32   ME_TextBuffer *text = editor->pBuffer;
  33   ME_DisplayItem *para = ME_MakeDI(diParagraph);
  34   ME_DisplayItem *run;
  35   ME_Style *style;
  36   int eol_len;
  37   WCHAR cr_lf[] = {'\r','\n',0};
  38
  39   ME_InitContext(&c, editor, ITextHost_TxGetDC(editor->texthost));
  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   eol_len = editor->bEmulateVersion10 ? 2 : 1;
  68   para->member.para.text = ME_MakeStringN( cr_lf, eol_len );
  69
  70   run = ME_MakeRun(style, MERF_ENDPARA);
  71   run->member.run.nCharOfs = 0;
  72   run->member.run.len = eol_len;
  73   run->member.run.para = &para->member.para;
  74
  75   ME_InsertBefore(text->pLast, para);
  76   ME_InsertBefore(text->pLast, run);
  77   para->member.para.prev_para = text->pFirst;
  78   para->member.para.next_para = text->pLast;
  79   text->pFirst->member.para.next_para = para;
  80   text->pLast->member.para.prev_para = para;
  81
  82   text->pLast->member.para.nCharOfs = editor->bEmulateVersion10 ? 2 : 1;
  83
  84   ME_DestroyContext(&c);
  85 }
  86
  87 static void ME_MarkForWrapping(ME_TextEditor *editor, ME_DisplayItem *first, const ME_DisplayItem *last)
  88 {
  89   while(first != last)
  90   {
  91     first->member.para.nFlags |= MEPF_REWRAP;
  92     first = first->member.para.next_para;
  93   }
  94 }
  95
  96 void ME_MarkAllForWrapping(ME_TextEditor *editor)
  97 {
  98   ME_MarkForWrapping(editor, editor->pBuffer->pFirst->member.para.next_para, editor->pBuffer->pLast);
  99 }
 100
 101 static void ME_UpdateTableFlags(ME_DisplayItem *para)
 102 {
 103   para->member.para.pFmt->dwMask |= PFM_TABLE|PFM_TABLEROWDELIMITER;
 104   if (para->member.para.pCell) {
 105     para->member.para.nFlags |= MEPF_CELL;
 106   } else {
 107     para->member.para.nFlags &= ~MEPF_CELL;
 108   }
 109   if (para->member.para.nFlags & MEPF_ROWEND) {
 110     para->member.para.pFmt->wEffects |= PFE_TABLEROWDELIMITER;
 111   } else {
 112     para->member.para.pFmt->wEffects &= ~PFE_TABLEROWDELIMITER;
 113   }
 114   if (para->member.para.nFlags & (MEPF_ROWSTART|MEPF_CELL|MEPF_ROWEND))
 115     para->member.para.pFmt->wEffects |= PFE_TABLE;
 116   else
 117     para->member.para.pFmt->wEffects &= ~PFE_TABLE;
 118 }
 119
 120 static BOOL ME_SetParaFormat(ME_TextEditor *editor, ME_DisplayItem *para, const PARAFORMAT2 *pFmt)
 121 {
 122   PARAFORMAT2 copy;
 123   DWORD dwMask;
 124
 125   assert(para->member.para.pFmt->cbSize == sizeof(PARAFORMAT2));
 126   dwMask = pFmt->dwMask;
 127   if (pFmt->cbSize < sizeof(PARAFORMAT))
 128     return FALSE;
 129   else if (pFmt->cbSize < sizeof(PARAFORMAT2))
 130     dwMask &= PFM_ALL;
 131   else
 132     dwMask &= PFM_ALL2;
 133
 134   add_undo_set_para_fmt( editor, &para->member.para );
 135
 136   copy = *para->member.para.pFmt;
 137
 138 #define COPY_FIELD(m, f) \
 139   if (dwMask & (m)) {                           \
 140     para->member.para.pFmt->dwMask |= m;        \
 141     para->member.para.pFmt->f = pFmt->f;        \
 142   }
 143
 144   COPY_FIELD(PFM_NUMBERING, wNumbering);
 145   COPY_FIELD(PFM_STARTINDENT, dxStartIndent);
 146   if (dwMask & PFM_OFFSETINDENT)
 147     para->member.para.pFmt->dxStartIndent += pFmt->dxStartIndent;
 148   COPY_FIELD(PFM_RIGHTINDENT, dxRightIndent);
 149   COPY_FIELD(PFM_OFFSET, dxOffset);
 150   COPY_FIELD(PFM_ALIGNMENT, wAlignment);
 151   if (dwMask & PFM_TABSTOPS)
 152   {
 153     para->member.para.pFmt->cTabCount = pFmt->cTabCount;
 154     memcpy(para->member.para.pFmt->rgxTabs, pFmt->rgxTabs, pFmt->cTabCount*sizeof(LONG));
 155   }
 156
 157   if (dwMask & (PFM_ALL2 & ~PFM_ALL))
 158   {
 159     /* PARAFORMAT2 fields */
 160
 161 #define EFFECTS_MASK (PFM_RTLPARA|PFM_KEEP|PFM_KEEPNEXT|PFM_PAGEBREAKBEFORE| \
 162                       PFM_NOLINENUMBER|PFM_NOWIDOWCONTROL|PFM_DONOTHYPHEN|PFM_SIDEBYSIDE| \
 163                       PFM_TABLE)
 164     /* we take for granted that PFE_xxx is the hiword of the corresponding PFM_xxx */
 165     if (dwMask & EFFECTS_MASK) {
 166       para->member.para.pFmt->dwMask |= dwMask & EFFECTS_MASK;
 167       para->member.para.pFmt->wEffects &= ~HIWORD(dwMask);
 168       para->member.para.pFmt->wEffects |= pFmt->wEffects & HIWORD(dwMask);
 169     }
 170 #undef EFFECTS_MASK
 171
 172     COPY_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
 173     COPY_FIELD(PFM_SPACEAFTER, dySpaceAfter);
 174     COPY_FIELD(PFM_LINESPACING, dyLineSpacing);
 175     COPY_FIELD(PFM_STYLE, sStyle);
 176     COPY_FIELD(PFM_LINESPACING, bLineSpacingRule);
 177     COPY_FIELD(PFM_SHADING, wShadingWeight);
 178     COPY_FIELD(PFM_SHADING, wShadingStyle);
 179     COPY_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
 180     COPY_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
 181     COPY_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
 182     COPY_FIELD(PFM_BORDER, wBorderSpace);
 183     COPY_FIELD(PFM_BORDER, wBorderWidth);
 184     COPY_FIELD(PFM_BORDER, wBorders);
 185   }
 186
 187   para->member.para.pFmt->dwMask |= dwMask;
 188 #undef COPY_FIELD
 189
 190   if (memcmp(&copy, para->member.para.pFmt, sizeof(PARAFORMAT2)))
 191     para->member.para.nFlags |= MEPF_REWRAP;
 192
 193   return TRUE;
 194 }
 195
 196 /* split paragraph at the beginning of the run */
 197 ME_DisplayItem *ME_SplitParagraph(ME_TextEditor *editor, ME_DisplayItem *run,
 198                                   ME_Style *style, const WCHAR *eol_str, int eol_len,
 199                                   int paraFlags)
 200 {
 201   ME_DisplayItem *next_para = NULL;
 202   ME_DisplayItem *run_para = NULL;
 203   ME_DisplayItem *new_para = ME_MakeDI(diParagraph);
 204   ME_DisplayItem *end_run;
 205   int ofs, i;
 206   ME_DisplayItem *pp;
 207   int run_flags = MERF_ENDPARA;
 208
 209   if (!editor->bEmulateVersion10) { /* v4.1 */
 210     /* At most 1 of MEPF_CELL, MEPF_ROWSTART, or MEPF_ROWEND should be set. */
 211     assert(!(paraFlags & ~(MEPF_CELL|MEPF_ROWSTART|MEPF_ROWEND)));
 212     assert(!(paraFlags & (paraFlags-1)));
 213     if (paraFlags == MEPF_CELL)
 214       run_flags |= MERF_ENDCELL;
 215     else if (paraFlags == MEPF_ROWSTART)
 216       run_flags |= MERF_TABLESTART|MERF_HIDDEN;
 217   } else { /* v1.0 - v3.0 */
 218     assert(!(paraFlags & (MEPF_CELL|MEPF_ROWSTART|MEPF_ROWEND)));
 219   }
 220   assert(run->type == diRun);
 221   run_para = ME_GetParagraph(run);
 222   assert(run_para->member.para.pFmt->cbSize == sizeof(PARAFORMAT2));
 223
 224   new_para->member.para.text = ME_VSplitString( run_para->member.para.text, run->member.run.nCharOfs );
 225
 226   end_run = ME_MakeRun(style, run_flags);
 227   ofs = end_run->member.run.nCharOfs = run->member.run.nCharOfs;
 228   end_run->member.run.len = eol_len;
 229   end_run->member.run.para = run->member.run.para;
 230   ME_AppendString( run_para->member.para.text, eol_str, eol_len );
 231   next_para = run_para->member.para.next_para;
 232   assert(next_para == ME_FindItemFwd(run_para, diParagraphOrEnd));
 233
 234   add_undo_join_paras( editor, run_para->member.para.nCharOfs + ofs );
 235
 236   /* Update selection cursors to point to the correct paragraph. */
 237   for (i = 0; i < editor->nCursors; i++) {
 238     if (editor->pCursors[i].pPara == run_para &&
 239         run->member.run.nCharOfs <= editor->pCursors[i].pRun->member.run.nCharOfs)
 240     {
 241       editor->pCursors[i].pPara = new_para;
 242     }
 243   }
 244
 245   /* the new paragraph will have a different starting offset, so let's update its runs */
 246   pp = run;
 247   while(pp->type == diRun) {
 248     pp->member.run.nCharOfs -= ofs;
 249     pp->member.run.para = &new_para->member.para;
 250     pp = ME_FindItemFwd(pp, diRunOrParagraphOrEnd);
 251   }
 252   new_para->member.para.nCharOfs = run_para->member.para.nCharOfs + ofs;
 253   new_para->member.para.nCharOfs += eol_len;
 254   new_para->member.para.nFlags = MEPF_REWRAP;
 255
 256   /* FIXME initialize format style and call ME_SetParaFormat blah blah */
 257   *new_para->member.para.pFmt = *run_para->member.para.pFmt;
 258   new_para->member.para.border = run_para->member.para.border;
 259
 260   /* insert paragraph into paragraph double linked list */
 261   new_para->member.para.prev_para = run_para;
 262   new_para->member.para.next_para = next_para;
 263   run_para->member.para.next_para = new_para;
 264   next_para->member.para.prev_para = new_para;
 265
 266   /* insert end run of the old paragraph, and new paragraph, into DI double linked list */
 267   ME_InsertBefore(run, new_para);
 268   ME_InsertBefore(new_para, end_run);
 269
 270   if (!editor->bEmulateVersion10) { /* v4.1 */
 271     if (paraFlags & (MEPF_ROWSTART|MEPF_CELL))
 272     {
 273       ME_DisplayItem *cell = ME_MakeDI(diCell);
 274       ME_InsertBefore(new_para, cell);
 275       new_para->member.para.pCell = cell;
 276       cell->member.cell.next_cell = NULL;
 277       if (paraFlags & MEPF_ROWSTART)
 278       {
 279         run_para->member.para.nFlags |= MEPF_ROWSTART;
 280         cell->member.cell.prev_cell = NULL;
 281         cell->member.cell.parent_cell = run_para->member.para.pCell;
 282         if (run_para->member.para.pCell)
 283           cell->member.cell.nNestingLevel = run_para->member.para.pCell->member.cell.nNestingLevel + 1;
 284         else
 285           cell->member.cell.nNestingLevel = 1;
 286       } else {
 287         cell->member.cell.prev_cell = run_para->member.para.pCell;
 288         assert(cell->member.cell.prev_cell);
 289         cell->member.cell.prev_cell->member.cell.next_cell = cell;
 290         assert(run_para->member.para.nFlags & MEPF_CELL);
 291         assert(!(run_para->member.para.nFlags & MEPF_ROWSTART));
 292         cell->member.cell.nNestingLevel = cell->member.cell.prev_cell->member.cell.nNestingLevel;
 293         cell->member.cell.parent_cell = cell->member.cell.prev_cell->member.cell.parent_cell;
 294       }
 295     } else if (paraFlags & MEPF_ROWEND) {
 296       run_para->member.para.nFlags |= MEPF_ROWEND;
 297       run_para->member.para.pCell = run_para->member.para.pCell->member.cell.parent_cell;
 298       new_para->member.para.pCell = run_para->member.para.pCell;
 299       assert(run_para->member.para.prev_para->member.para.nFlags & MEPF_CELL);
 300       assert(!(run_para->member.para.prev_para->member.para.nFlags & MEPF_ROWSTART));
 301       if (new_para->member.para.pCell != new_para->member.para.next_para->member.para.pCell
 302           && new_para->member.para.next_para->member.para.pCell
 303           && !new_para->member.para.next_para->member.para.pCell->member.cell.prev_cell)
 304       {
 305         /* Row starts just after the row that was ended. */
 306         new_para->member.para.nFlags |= MEPF_ROWSTART;
 307       }
 308     } else {
 309       new_para->member.para.pCell = run_para->member.para.pCell;
 310     }
 311     ME_UpdateTableFlags(run_para);
 312     ME_UpdateTableFlags(new_para);
 313   }
 314
 315   /* force rewrap of the */
 316   run_para->member.para.prev_para->member.para.nFlags |= MEPF_REWRAP;
 317   new_para->member.para.prev_para->member.para.nFlags |= MEPF_REWRAP;
 318
 319   /* we've added the end run, so we need to modify nCharOfs in the next paragraphs */
 320   ME_PropagateCharOffset(next_para, eol_len);
 321   editor->nParagraphs++;
 322
 323   return new_para;
 324 }
 325
 326 /* join tp with tp->member.para.next_para, keeping tp's style; this
 327  * is consistent with the original */
 328 ME_DisplayItem *ME_JoinParagraphs(ME_TextEditor *editor, ME_DisplayItem *tp,
 329                                   BOOL keepFirstParaFormat)
 330 {
 331   ME_DisplayItem *pNext, *pFirstRunInNext, *pRun, *pTmp, *pCell = NULL;
 332   int i, shift;
 333   int end_len;
 334   CHARFORMAT2W fmt;
 335   ME_Cursor startCur, endCur;
 336   ME_String *eol_str;
 337
 338   assert(tp->type == diParagraph);
 339   assert(tp->member.para.next_para);
 340   assert(tp->member.para.next_para->type == diParagraph);
 341
 342   pNext = tp->member.para.next_para;
 343
 344   /* Need to locate end-of-paragraph run here, in order to know end_len */
 345   pRun = ME_FindItemBack(pNext, diRunOrParagraph);
 346
 347   assert(pRun);
 348   assert(pRun->type == diRun);
 349   assert(pRun->member.run.nFlags & MERF_ENDPARA);
 350
 351   end_len = pRun->member.run.len;
 352   eol_str = ME_VSplitString( tp->member.para.text, pRun->member.run.nCharOfs );
 353   ME_AppendString( tp->member.para.text, pNext->member.para.text->szData, pNext->member.para.text->nLen );
 354
 355   /* null char format operation to store the original char format for the ENDPARA run */
 356   ME_InitCharFormat2W(&fmt);
 357   endCur.pPara = pNext;
 358   endCur.pRun = ME_FindItemFwd(pNext, diRun);
 359   endCur.nOffset = 0;
 360   startCur = endCur;
 361   ME_PrevRun(&startCur.pPara, &startCur.pRun);
 362   ME_SetCharFormat(editor, &startCur, &endCur, &fmt);
 363
 364   if (!editor->bEmulateVersion10) { /* v4.1 */
 365     /* Table cell/row properties are always moved over from the removed para. */
 366     tp->member.para.nFlags = pNext->member.para.nFlags;
 367     tp->member.para.pCell = pNext->member.para.pCell;
 368
 369     /* Remove cell boundary if it is between the end paragraph run and the next
 370      * paragraph display item. */
 371     for (pTmp = pRun->next; pTmp != pNext; pTmp = pTmp->next)
 372     {
 373       if (pTmp->type == diCell)
 374       {
 375         pCell = pTmp;
 376         break;
 377       }
 378     }
 379   }
 380
 381   add_undo_split_para( editor, &pNext->member.para, eol_str, pCell ? &pCell->member.cell : NULL );
 382
 383   if (pCell)
 384   {
 385     ME_Remove( pCell );
 386     if (pCell->member.cell.prev_cell)
 387       pCell->member.cell.prev_cell->member.cell.next_cell = pCell->member.cell.next_cell;
 388     if (pCell->member.cell.next_cell)
 389       pCell->member.cell.next_cell->member.cell.prev_cell = pCell->member.cell.prev_cell;
 390     ME_DestroyDisplayItem( pCell );
 391   }
 392
 393   if (!keepFirstParaFormat)
 394   {
 395     add_undo_set_para_fmt( editor, &tp->member.para );
 396     *tp->member.para.pFmt = *pNext->member.para.pFmt;
 397     tp->member.para.border = pNext->member.para.border;
 398   }
 399
 400   shift = pNext->member.para.nCharOfs - tp->member.para.nCharOfs - end_len;
 401
 402   pFirstRunInNext = ME_FindItemFwd(pNext, diRunOrParagraph);
 403
 404   assert(pFirstRunInNext->type == diRun);
 405
 406   /* Update selection cursors so they don't point to the removed end
 407    * paragraph run, and point to the correct paragraph. */
 408   for (i=0; i < editor->nCursors; i++) {
 409     if (editor->pCursors[i].pRun == pRun) {
 410       editor->pCursors[i].pRun = pFirstRunInNext;
 411       editor->pCursors[i].nOffset = 0;
 412     } else if (editor->pCursors[i].pPara == pNext) {
 413       editor->pCursors[i].pPara = tp;
 414     }
 415   }
 416
 417   pTmp = pNext;
 418   do {
 419     pTmp = ME_FindItemFwd(pTmp, diRunOrParagraphOrEnd);
 420     if (pTmp->type != diRun)
 421       break;
 422     TRACE("shifting %s by %d (previous %d)\n", debugstr_run( &pTmp->member.run ), shift, pTmp->member.run.nCharOfs);
 423     pTmp->member.run.nCharOfs += shift;
 424     pTmp->member.run.para = &tp->member.para;
 425   } while(1);
 426
 427   ME_Remove(pRun);
 428   ME_DestroyDisplayItem(pRun);
 429
 430   if (editor->pLastSelStartPara == pNext)
 431     editor->pLastSelStartPara = tp;
 432   if (editor->pLastSelEndPara == pNext)
 433     editor->pLastSelEndPara = tp;
 434
 435   tp->member.para.next_para = pNext->member.para.next_para;
 436   pNext->member.para.next_para->member.para.prev_para = tp;
 437   ME_Remove(pNext);
 438   ME_DestroyDisplayItem(pNext);
 439
 440   ME_PropagateCharOffset(tp->member.para.next_para, -end_len);
 441
 442   ME_CheckCharOffsets(editor);
 443
 444   editor->nParagraphs--;
 445   tp->member.para.nFlags |= MEPF_REWRAP;
 446   return tp;
 447 }
 448
 449 ME_DisplayItem *ME_GetParagraph(ME_DisplayItem *item) {
 450   return ME_FindItemBackOrHere(item, diParagraph);
 451 }
 452
 453 void ME_DumpParaStyleToBuf(const PARAFORMAT2 *pFmt, char buf[2048])
 454 {
 455   char *p;
 456   p = buf;
 457
 458 #define DUMP(mask, name, fmt, field) \
 459   if (pFmt->dwMask & (mask)) p += sprintf(p, "%-22s" fmt "\n", name, pFmt->field); \
 460   else p += sprintf(p, "%-22sN/A\n", name);
 461
 462 /* we take for granted that PFE_xxx is the hiword of the corresponding PFM_xxx */
 463 #define DUMP_EFFECT(mask, name) \
 464   p += sprintf(p, "%-22s%s\n", name, (pFmt->dwMask & (mask)) ? ((pFmt->wEffects & ((mask) >> 16)) ? "yes" : "no") : "N/A");
 465
 466   DUMP(PFM_NUMBERING,      "Numbering:",         "%u", wNumbering);
 467   DUMP_EFFECT(PFM_DONOTHYPHEN,     "Disable auto-hyphen:");
 468   DUMP_EFFECT(PFM_KEEP,            "No page break in para:");
 469   DUMP_EFFECT(PFM_KEEPNEXT,        "No page break in para & next:");
 470   DUMP_EFFECT(PFM_NOLINENUMBER,    "No line number:");
 471   DUMP_EFFECT(PFM_NOWIDOWCONTROL,  "No widow & orphan:");
 472   DUMP_EFFECT(PFM_PAGEBREAKBEFORE, "Page break before:");
 473   DUMP_EFFECT(PFM_RTLPARA,         "RTL para:");
 474   DUMP_EFFECT(PFM_SIDEBYSIDE,      "Side by side:");
 475   DUMP_EFFECT(PFM_TABLE,           "Table:");
 476   DUMP(PFM_OFFSETINDENT,   "Offset indent:",     "%d", dxStartIndent);
 477   DUMP(PFM_STARTINDENT,    "Start indent:",      "%d", dxStartIndent);
 478   DUMP(PFM_RIGHTINDENT,    "Right indent:",      "%d", dxRightIndent);
 479   DUMP(PFM_OFFSET,         "Offset:",            "%d", dxOffset);
 480   if (pFmt->dwMask & PFM_ALIGNMENT) {
 481     switch (pFmt->wAlignment) {
 482     case PFA_LEFT   : p += sprintf(p, "Alignment:            left\n"); break;
 483     case PFA_RIGHT  : p += sprintf(p, "Alignment:            right\n"); break;
 484     case PFA_CENTER : p += sprintf(p, "Alignment:            center\n"); break;
 485     case PFA_JUSTIFY: p += sprintf(p, "Alignment:            justify\n"); break;
 486     default         : p += sprintf(p, "Alignment:            incorrect %d\n", pFmt->wAlignment); break;
 487     }
 488   }
 489   else p += sprintf(p, "Alignment:            N/A\n");
 490   DUMP(PFM_TABSTOPS,       "Tab Stops:",         "%d", cTabCount);
 491   if (pFmt->dwMask & PFM_TABSTOPS) {
 492     int i;
 493     p += sprintf(p, "\t");
 494     for (i = 0; i < pFmt->cTabCount; i++) p += sprintf(p, "%x ", pFmt->rgxTabs[i]);
 495     p += sprintf(p, "\n");
 496   }
 497   DUMP(PFM_SPACEBEFORE,    "Space Before:",      "%d", dySpaceBefore);
 498   DUMP(PFM_SPACEAFTER,     "Space After:",       "%d", dySpaceAfter);
 499   DUMP(PFM_LINESPACING,    "Line spacing:",      "%d", dyLineSpacing);
 500   DUMP(PFM_STYLE,          "Text style:",        "%d", sStyle);
 501   DUMP(PFM_LINESPACING,    "Line spacing rule:", "%u", bLineSpacingRule);
 502   /* bOutlineLevel should be 0 */
 503   DUMP(PFM_SHADING,        "Shading Weigth:",    "%u", wShadingWeight);
 504   DUMP(PFM_SHADING,        "Shading Style:",     "%u", wShadingStyle);
 505   DUMP(PFM_NUMBERINGSTART, "Numbering Start:",   "%u", wNumberingStart);
 506   DUMP(PFM_NUMBERINGSTYLE, "Numbering Style:",   "0x%x", wNumberingStyle);
 507   DUMP(PFM_NUMBERINGTAB,   "Numbering Tab:",     "%u", wNumberingStyle);
 508   DUMP(PFM_BORDER,         "Border Space:",      "%u", wBorderSpace);
 509   DUMP(PFM_BORDER,         "Border Width:",      "%u", wBorderWidth);
 510   DUMP(PFM_BORDER,         "Borders:",           "%u", wBorders);
 511
 512 #undef DUMP
 513 #undef DUMP_EFFECT
 514 }
 515
 516 void
 517 ME_GetSelectionParas(ME_TextEditor *editor, ME_DisplayItem **para, ME_DisplayItem **para_end)
 518 {
 519   ME_Cursor *pEndCursor = &editor->pCursors[1];
 520
 521   *para = editor->pCursors[0].pPara;
 522   *para_end = editor->pCursors[1].pPara;
 523   if (*para == *para_end)
 524     return;
 525
 526   if ((*para_end)->member.para.nCharOfs < (*para)->member.para.nCharOfs) {
 527     ME_DisplayItem *tmp = *para;
 528
 529     *para = *para_end;
 530     *para_end = tmp;
 531     pEndCursor = &editor->pCursors[0];
 532   }
 533
 534   /* The paragraph at the end of a non-empty selection isn't included
 535    * if the selection ends at the start of the paragraph. */
 536   if (!pEndCursor->pRun->member.run.nCharOfs && !pEndCursor->nOffset)
 537     *para_end = (*para_end)->member.para.prev_para;
 538 }
 539
 540
 541 BOOL ME_SetSelectionParaFormat(ME_TextEditor *editor, const PARAFORMAT2 *pFmt)
 542 {
 543   ME_DisplayItem *para, *para_end;
 544
 545   ME_GetSelectionParas(editor, &para, &para_end);
 546
 547   do {
 548     ME_SetParaFormat(editor, para, pFmt);
 549     if (para == para_end)
 550       break;
 551     para = para->member.para.next_para;
 552   } while(1);
 553
 554   return TRUE;
 555 }
 556
 557 static void ME_GetParaFormat(ME_TextEditor *editor,
 558                              const ME_DisplayItem *para,
 559                              PARAFORMAT2 *pFmt)
 560 {
 561   UINT cbSize = pFmt->cbSize;
 562   if (pFmt->cbSize >= sizeof(PARAFORMAT2)) {
 563     *pFmt = *para->member.para.pFmt;
 564   } else {
 565     CopyMemory(pFmt, para->member.para.pFmt, pFmt->cbSize);
 566     pFmt->dwMask &= PFM_ALL;
 567   }
 568   pFmt->cbSize = cbSize;
 569 }
 570
 571 void ME_GetSelectionParaFormat(ME_TextEditor *editor, PARAFORMAT2 *pFmt)
 572 {
 573   ME_DisplayItem *para, *para_end;
 574   PARAFORMAT2 *curFmt;
 575
 576   if (pFmt->cbSize < sizeof(PARAFORMAT)) {
 577     pFmt->dwMask = 0;
 578     return;
 579   }
 580
 581   ME_GetSelectionParas(editor, &para, &para_end);
 582
 583   ME_GetParaFormat(editor, para, pFmt);
 584
 585   /* Invalidate values that change across the selected paragraphs. */
 586   while (para != para_end)
 587   {
 588     para = para->member.para.next_para;
 589     curFmt = para->member.para.pFmt;
 590
 591 #define CHECK_FIELD(m, f) \
 592     if (pFmt->f != curFmt->f) pFmt->dwMask &= ~(m);
 593
 594     CHECK_FIELD(PFM_NUMBERING, wNumbering);
 595     CHECK_FIELD(PFM_STARTINDENT, dxStartIndent);
 596     CHECK_FIELD(PFM_RIGHTINDENT, dxRightIndent);
 597     CHECK_FIELD(PFM_OFFSET, dxOffset);
 598     CHECK_FIELD(PFM_ALIGNMENT, wAlignment);
 599     if (pFmt->dwMask & PFM_TABSTOPS) {
 600       if (pFmt->cTabCount != para->member.para.pFmt->cTabCount ||
 601           memcmp(pFmt->rgxTabs, curFmt->rgxTabs, curFmt->cTabCount*sizeof(int)))
 602         pFmt->dwMask &= ~PFM_TABSTOPS;
 603     }
 604
 605     if (pFmt->dwMask >= sizeof(PARAFORMAT2))
 606     {
 607       pFmt->dwMask &= ~((pFmt->wEffects ^ curFmt->wEffects) << 16);
 608       CHECK_FIELD(PFM_SPACEBEFORE, dySpaceBefore);
 609       CHECK_FIELD(PFM_SPACEAFTER, dySpaceAfter);
 610       CHECK_FIELD(PFM_LINESPACING, dyLineSpacing);
 611       CHECK_FIELD(PFM_STYLE, sStyle);
 612       CHECK_FIELD(PFM_SPACEAFTER, bLineSpacingRule);
 613       CHECK_FIELD(PFM_SHADING, wShadingWeight);
 614       CHECK_FIELD(PFM_SHADING, wShadingStyle);
 615       CHECK_FIELD(PFM_NUMBERINGSTART, wNumberingStart);
 616       CHECK_FIELD(PFM_NUMBERINGSTYLE, wNumberingStyle);
 617       CHECK_FIELD(PFM_NUMBERINGTAB, wNumberingTab);
 618       CHECK_FIELD(PFM_BORDER, wBorderSpace);
 619       CHECK_FIELD(PFM_BORDER, wBorderWidth);
 620       CHECK_FIELD(PFM_BORDER, wBorders);
 621     }
 622 #undef CHECK_FIELD
 623   }
 624 }
 625
 626 void ME_SetDefaultParaFormat(PARAFORMAT2 *pFmt)
 627 {
 628     ZeroMemory(pFmt, sizeof(PARAFORMAT2));
 629     pFmt->cbSize = sizeof(PARAFORMAT2);
 630     pFmt->dwMask = PFM_ALL2;
 631     pFmt->wAlignment = PFA_LEFT;
 632     pFmt->sStyle = -1;
 633     pFmt->bOutlineLevel = TRUE;
 634 }