src/paragraph.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2000 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation "lyxparagraph.h"
  15 #endif
  16
  17 #include <algorithm>
  18 #include <fstream>
  19
  20 #include "lyxparagraph.h"
  21 #include "support/textutils.h"
  22 #include "lyxrc.h"
  23 #include "layout.h"
  24 #include "tex-strings.h"
  25 #include "bufferparams.h"
  26 #include "support/FileInfo.h"
  27 #include "support/LAssert.h"
  28 #include "debug.h"
  29 #include "LaTeXFeatures.h"
  30 #include "insets/insetinclude.h"
  31 #include "insets/insetbib.h"
  32 #include "support/filetools.h"
  33 #include "lyx_gui_misc.h"
  34 #include "texrow.h"
  35 #include "support/lyxmanip.h"
  36
  37 using std::ostream;
  38 using std::endl;
  39 using std::fstream;
  40 using std::ios;
  41 using std::lower_bound;
  42 using std::upper_bound;
  43 using std::reverse;
  44
  45 int tex_code_break_column = 72;  // needs non-zero initialization. set later.
  46 // this is a bad idea, but how can LyXParagraph find its buffer to get
  47 // parameters? (JMarc)
  48 extern BufferView * current_view;
  49
  50
  51 // ale970405
  52 extern string bibitemWidthest(Painter &);
  53
  54 // this is a minibuffer
  55 static char minibuffer_char;
  56 static LyXFont minibuffer_font;
  57 static Inset * minibuffer_inset;
  58
  59
  60 // Initialization of the counter for the paragraph id's,
  61 // declared in lyxparagraph.h
  62 unsigned int LyXParagraph::paragraph_id = 0;
  63
  64
  65 LyXParagraph::LyXParagraph()
  66 {
  67         text.reserve(500); // is this number too big?
  68
  69         for (int i = 0; i < 10; ++i) setCounter(i , 0);
  70         appendix = false;
  71         enumdepth = 0;
  72         itemdepth = 0;
  73         next = 0;
  74         previous = 0;
  75         footnoteflag = LyXParagraph::NO_FOOTNOTE;
  76         footnotekind = LyXParagraph::FOOTNOTE; // should not be needed
  77
  78         align = LYX_ALIGN_BLOCK;
  79
  80         /* table stuff -- begin*/
  81         table = 0;
  82         /* table stuff -- end*/
  83         inset_owner = 0;
  84         id_ = paragraph_id++;
  85         bibkey = 0; // ale970302
  86         Clear();
  87 }
  88
  89
  90 // This konstruktor inserts the new paragraph in a list.
  91 LyXParagraph::LyXParagraph(LyXParagraph * par)
  92 {
  93         text.reserve(500);
  94         par->text.resize(par->text.size());
  95
  96         for (int i = 0; i < 10; ++i) setCounter(i, 0);
  97         appendix = false;
  98         enumdepth = 0;
  99         itemdepth = 0;
 100         // double linked list begin
 101         next = par->next;
 102         if (next)
 103                 next->previous = this;
 104         previous = par;
 105         previous->next = this;
 106         // end
 107         footnoteflag = LyXParagraph::NO_FOOTNOTE;
 108         footnotekind = LyXParagraph::FOOTNOTE;
 109
 110         /* table stuff -- begin*/
 111         table = 0;
 112         /* table stuff -- end*/
 113         inset_owner = 0;
 114         id_ = paragraph_id++;
 115
 116         bibkey = 0; // ale970302
 117
 118         Clear();
 119 }
 120
 121
 122 void LyXParagraph::writeFile(ostream & os, BufferParams const & params,
 123                              char footflag, char dth) const
 124 {
 125         LyXFont font1, font2;
 126         int column = 0;
 127         int h = 0;
 128         char c = 0;
 129
 130         if (footnoteflag != LyXParagraph::NO_FOOTNOTE
 131             || !previous
 132             || previous->footnoteflag == LyXParagraph::NO_FOOTNOTE){
 133
 134                 // The beginning or the end of a footnote environment?
 135                 if (footflag != footnoteflag) {
 136                         footflag = footnoteflag;
 137                         if (footflag) {
 138                                 os << "\n\\begin_float "
 139                                    << string_footnotekinds[footnotekind]
 140                                    << " ";
 141                         } else {
 142                                 os << "\n\\end_float ";
 143                         }
 144                 }
 145
 146                 // The beginning or end of a deeper (i.e. nested) area?
 147                 if (dth != depth) {
 148                         if (depth > dth) {
 149                                 while (depth > dth) {
 150                                         os << "\n\\begin_deeper ";
 151                                         ++dth;
 152                                 }
 153                         } else {
 154                                 while (depth < dth) {
 155                                         os << "\n\\end_deeper ";
 156                                         --dth;
 157                                 }
 158                         }
 159                 }
 160
 161                 // First write the layout
 162                 os << "\n\\layout "
 163                    << textclasslist.NameOfLayout(params.textclass, layout)
 164                    << "\n";
 165
 166                 // Maybe some vertical spaces.
 167                 if (added_space_top.kind() != VSpace::NONE)
 168                         os << "\\added_space_top "
 169                            << added_space_top.asLyXCommand() << " ";
 170                 if (added_space_bottom.kind() != VSpace::NONE)
 171                         os << "\\added_space_bottom "
 172                            << added_space_bottom.asLyXCommand() << " ";
 173
 174                 // Maybe the paragraph has special spacing
 175                 spacing.writeFile(os, true);
 176
 177                 // The labelwidth string used in lists.
 178                 if (!labelwidthstring.empty())
 179                         os << "\\labelwidthstring "
 180                            << labelwidthstring << '\n';
 181
 182                 // Lines above or below?
 183                 if (line_top)
 184                         os << "\\line_top ";
 185                 if (line_bottom)
 186                         os << "\\line_bottom ";
 187
 188                 // Pagebreaks above or below?
 189                 if (pagebreak_top)
 190                         os << "\\pagebreak_top ";
 191                 if (pagebreak_bottom)
 192                         os << "\\pagebreak_bottom ";
 193
 194                 // Start of appendix?
 195                 if (start_of_appendix)
 196                         os << "\\start_of_appendix ";
 197
 198                 // Noindent?
 199                 if (noindent)
 200                         os << "\\noindent ";
 201
 202                 // Alignment?
 203                 if (align != LYX_ALIGN_LAYOUT) {
 204                         switch (align) {
 205                         case LYX_ALIGN_LEFT: h = 1; break;
 206                         case LYX_ALIGN_RIGHT: h = 2; break;
 207                         case LYX_ALIGN_CENTER: h = 3; break;
 208                         default: h = 0; break;
 209                         }
 210                         os << "\\align " << string_align[h] << " ";
 211                 }
 212                 if (pextra_type != PEXTRA_NONE) {
 213                         os << "\\pextra_type " << pextra_type;
 214                         if (pextra_type == PEXTRA_MINIPAGE) {
 215                                 os << " \\pextra_alignment "
 216                                    << pextra_alignment;
 217                                 if (pextra_hfill)
 218                                         os << " \\pextra_hfill "
 219                                            << pextra_hfill;
 220                                 if (pextra_start_minipage)
 221                                         os << " \\pextra_start_minipage "
 222                                            << pextra_start_minipage;
 223                         }
 224                         if (!pextra_width.empty()) {
 225                                 os << " \\pextra_width "
 226                                    << VSpace(pextra_width).asLyXCommand();
 227                         } else if (!pextra_widthp.empty()) {
 228                                 os << " \\pextra_widthp "
 229                                    << pextra_widthp;
 230                         }
 231                         os << '\n';
 232                 }
 233         } else {
 234                 // Dummy layout. This means that a footnote ended.
 235                 os << "\n\\end_float ";
 236                 footflag = LyXParagraph::NO_FOOTNOTE;
 237         }
 238
 239         // It might be a table.
 240         if (table){
 241                 os << "\\LyXTable\n";
 242                 table->Write(os);
 243         }
 244
 245         // bibitem  ale970302
 246         if (bibkey)
 247                 bibkey->Write(os);
 248
 249         font1 = LyXFont(LyXFont::ALL_INHERIT,params.language_info);
 250
 251         column = 0;
 252         for (size_type i = 0; i < size(); ++i) {
 253                 if (!i) {
 254                         os << "\n";
 255                         column = 0;
 256                 }
 257
 258                 // Write font changes
 259                 font2 = GetFontSettings(i);
 260                 if (font2 != font1) {
 261                         font2.lyxWriteChanges(font1, os);
 262                         column = 0;
 263                         font1 = font2;
 264                 }
 265
 266                 c = GetChar(i);
 267                 switch (c) {
 268                 case META_INSET:
 269                 {
 270                         Inset const * inset = GetInset(i);
 271                         if (inset)
 272                                 if (inset->DirectWrite()) {
 273                                         // international char, let it write
 274                                         // code directly so it's shorter in
 275                                         // the file
 276                                         inset->Write(os);
 277                                 } else {
 278                                         os << "\n\\begin_inset ";
 279                                         inset->Write(os);
 280                                         os << "\n\\end_inset \n\n";
 281                                         column = 0;
 282                                 }
 283                 }
 284                 break;
 285                 case META_NEWLINE:
 286                         os << "\n\\newline \n";
 287                         column = 0;
 288                         break;
 289                 case META_HFILL:
 290                         os << "\n\\hfill \n";
 291                         column = 0;
 292                         break;
 293                 case '\\':
 294                         os << "\n\\backslash \n";
 295                         column = 0;
 296                         break;
 297                 case '.':
 298                         if (i + 1 < size() && GetChar(i + 1) == ' ') {
 299                                 os << ".\n";
 300                                 column = 0;
 301                         } else
 302                                 os << ".";
 303                         break;
 304                 default:
 305                         if ((column > 70 && c == ' ')
 306                             || column > 79) {
 307                                 os << "\n";
 308                                 column = 0;
 309                         }
 310                         // this check is to amend a bug. LyX sometimes
 311                         // inserts '\0' this could cause problems.
 312                         if (c != '\0')
 313                                 os << c;
 314                         else
 315                                 lyxerr << "ERROR (LyXParagraph::writeFile):"
 316                                         " NULL char in structure." << endl;
 317                         ++column;
 318                         break;
 319                 }
 320         }
 321
 322         // now write the next paragraph
 323         if (next)
 324                 next->writeFile(os, params, footflag, dth);
 325 }
 326
 327
 328 void LyXParagraph::validate(LaTeXFeatures & features) const
 329 {
 330         BufferParams const & params = features.bufferParams();
 331
 332         // this will be useful later
 333         LyXLayout const & layout =
 334                 textclasslist.Style(params.textclass,
 335                                     GetLayout());
 336
 337         // check the params.
 338         if (line_top || line_bottom)
 339                 features.lyxline = true;
 340         if (!spacing.isDefault())
 341                 features.setspace = true;
 342
 343         // then the layouts
 344         features.layout[GetLayout()] = true;
 345
 346         // then the fonts
 347         Language const * doc_language = params.language_info;
 348
 349         for (FontList::const_iterator cit = fontlist.begin();
 350              cit != fontlist.end(); ++cit) {
 351                 if ((*cit).font.noun() == LyXFont::ON) {
 352                         lyxerr[Debug::LATEX] << "font.noun: "
 353                                              << (*cit).font.noun()
 354                                              << endl;
 355                         features.noun = true;
 356                         lyxerr[Debug::LATEX] << "Noun enabled. Font: "
 357                                              << (*cit).font.stateText()
 358                                              << endl;
 359                 }
 360                 switch ((*cit).font.color()) {
 361                 case LColor::none:
 362                 case LColor::inherit:
 363                 case LColor::ignore:
 364                         break;
 365                 default:
 366                         features.color = true;
 367                         lyxerr[Debug::LATEX] << "Color enabled. Font: "
 368                                              << (*cit).font.stateText()
 369                                              << endl;
 370                 }
 371 #if 0
 372                 Language const * language = (*cit).font.language();
 373                 if (language != doc_language) {
 374                         features.UsedLanguages.insert(language);
 375                         lyxerr[Debug::LATEX] << "Found language "
 376                                              << language->lang << endl;
 377                 }
 378 #endif
 379         }
 380
 381         // This is not efficient. I plan to use the code above, after I
 382         // change the fontlist handling.
 383         for (size_type i = 0; i < size(); ++i) {
 384                 Language const * language = GetFontSettings(i).language();
 385                 if (language != doc_language)
 386                         features.UsedLanguages.insert(language);
 387         }
 388
 389         // then the insets
 390         for (InsetList::const_iterator cit = insetlist.begin();
 391              cit != insetlist.end(); ++cit) {
 392                 if ((*cit).inset)
 393                         (*cit).inset->Validate(features);
 394         }
 395
 396         if (table && table->IsLongTable())
 397                 features.longtable = true;
 398         if (pextra_type == PEXTRA_INDENT)
 399                 features.LyXParagraphIndent = true;
 400         if (pextra_type == PEXTRA_FLOATFLT)
 401                 features.floatflt = true;
 402         if (layout.needprotect
 403             && next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
 404                 features.NeedLyXFootnoteCode = true;
 405         if (params.paragraph_separation == BufferParams::PARSEP_INDENT
 406             && pextra_type == LyXParagraph::PEXTRA_MINIPAGE)
 407                 features.NeedLyXMinipageIndent = true;
 408         if (table && table->NeedRotating())
 409                 features.rotating = true;
 410         if (footnoteflag != NO_FOOTNOTE && footnotekind == ALGORITHM)
 411                 features.algorithm = true;
 412 }
 413
 414
 415 // First few functions needed for cut and paste and paragraph breaking.
 416 void LyXParagraph::CopyIntoMinibuffer(LyXParagraph::size_type pos) const
 417 {
 418         minibuffer_char = GetChar(pos);
 419         minibuffer_font = GetFontSettings(pos);
 420         minibuffer_inset = 0;
 421         if (minibuffer_char == LyXParagraph::META_INSET) {
 422                 if (GetInset(pos)) {
 423                         minibuffer_inset = GetInset(pos)->Clone();
 424                 } else {
 425                         minibuffer_inset = 0;
 426                         minibuffer_char = ' ';
 427                         // This reflects what GetInset() does (ARRae)
 428                 }
 429         }
 430 }
 431
 432
 433 void LyXParagraph::CutIntoMinibuffer(LyXParagraph::size_type pos)
 434 {
 435         minibuffer_char = GetChar(pos);
 436         minibuffer_font = GetFontSettings(pos);
 437         minibuffer_inset = 0;
 438         if (minibuffer_char == LyXParagraph::META_INSET) {
 439                 if (GetInset(pos)) {
 440                         minibuffer_inset = GetInset(pos);
 441                         // This is a little hack since I want exactly
 442                         // the inset, not just a clone. Otherwise
 443                         // the inset would be deleted when calling Erase(pos)
 444                         // find the entry
 445                         InsetList::iterator it = lower_bound(insetlist.begin(),
 446                                                              insetlist.end(),
 447                                                              pos, matchIT());
 448                         if (it != insetlist.end() && (*it).pos == pos)
 449                                 (*it).inset = 0;
 450                 } else {
 451                         minibuffer_inset = 0;
 452                         minibuffer_char = ' ';
 453                         // This reflects what GetInset() does (ARRae)
 454                 }
 455
 456         }
 457
 458         // Erase(pos); now the caller is responsible for that.
 459 }
 460
 461
 462 bool LyXParagraph::InsertFromMinibuffer(LyXParagraph::size_type pos)
 463 {
 464         if ((minibuffer_char == LyXParagraph::META_INSET) &&
 465             !InsertInsetAllowed(minibuffer_inset))
 466                 return false;
 467         InsertChar(pos, minibuffer_char);
 468         SetFont(pos, minibuffer_font);
 469         if (minibuffer_char == LyXParagraph::META_INSET)
 470                 InsertInset(pos, minibuffer_inset);
 471         return true;
 472 }
 473
 474 // end of minibuffer
 475
 476
 477
 478 void LyXParagraph::Clear()
 479 {
 480         line_top = false;
 481         line_bottom = false;
 482
 483         pagebreak_top = false;
 484         pagebreak_bottom = false;
 485
 486         added_space_top = VSpace(VSpace::NONE);
 487         added_space_bottom = VSpace(VSpace::NONE);
 488         spacing.set(Spacing::Default);
 489
 490         align = LYX_ALIGN_LAYOUT;
 491         depth = 0;
 492         noindent = false;
 493
 494         pextra_type = PEXTRA_NONE;
 495         pextra_width.erase();
 496         pextra_widthp.erase();
 497         pextra_alignment = MINIPAGE_ALIGN_TOP;
 498         pextra_hfill = false;
 499         pextra_start_minipage = false;
 500
 501         labelstring.erase();
 502         labelwidthstring.erase();
 503         layout = 0;
 504         bibkey = 0;
 505
 506         start_of_appendix = false;
 507 }
 508
 509
 510 // the destructor removes the new paragraph from the list
 511 LyXParagraph::~LyXParagraph()
 512 {
 513         if (previous)
 514                 previous->next = next;
 515         if (next)
 516                 next->previous = previous;
 517
 518         for (InsetList::iterator it = insetlist.begin();
 519              it != insetlist.end(); ++it) {
 520                 delete (*it).inset;
 521         }
 522
 523         /* table stuff -- begin*/
 524         delete table;
 525         /* table stuff -- end*/
 526
 527         // ale970302
 528         delete bibkey;
 529         //
 530         //lyxerr << "LyXParagraph::paragraph_id = "
 531         //       << LyXParagraph::paragraph_id << endl;
 532 }
 533
 534
 535 void LyXParagraph::Erase(LyXParagraph::size_type pos)
 536 {
 537         // > because last is the next unused position, and you can
 538         // use it if you want
 539         if (pos > size()) {
 540                 if (next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
 541                         NextAfterFootnote()->Erase(pos - text.size() - 1);
 542                 else
 543                         lyxerr.debug() << "ERROR (LyXParagraph::Erase): "
 544                                 "position does not exist." << endl;
 545                 return;
 546         }
 547         if (pos < size()) { // last is free for insertation, but should be empty
 548                 // if it is an inset, delete the inset entry
 549                 if (text[pos] == LyXParagraph::META_INSET) {
 550                         // find the entry
 551                         InsetList::iterator it = lower_bound(insetlist.begin(),
 552                                                              insetlist.end(),
 553                                                              pos, matchIT());
 554                         if (it != insetlist.end() && (*it).pos == pos) {
 555                                 delete (*it).inset;
 556                                 insetlist.erase(it);
 557                         }
 558                 }
 559                 text.erase(text.begin() + pos);
 560                 // Erase entries in the tables.
 561                 for (FontList::iterator it = fontlist.begin();
 562                      it != fontlist.end(); ++it) {
 563                         if (pos >= (*it).pos && pos <= (*it).pos_end) {
 564                                 if ((*it).pos == (*it).pos_end) {
 565                                         // If it is a multi-character font
 566                                         // entry, we just make it smaller
 567                                         // (see update below), otherwise we
 568                                         // should delete it.
 569                                         fontlist.erase(it);
 570                                         break;
 571                                 }
 572                         }
 573                 }
 574                 // Update all other entries.
 575                 for (FontList::iterator it = fontlist.begin();
 576                      it != fontlist.end(); ++it) {
 577                         if ((*it).pos > pos)
 578                                 (*it).pos--;
 579                         if ((*it).pos_end >= pos)
 580                                 (*it).pos_end--;
 581                 }
 582
 583                 // Update the inset table.
 584                 for (InsetList::iterator it = upper_bound(insetlist.begin(),
 585                                                           insetlist.end(),
 586                                                           pos, matchIT());
 587                      it != insetlist.end(); ++it)
 588                         --(*it).pos;
 589         } else {
 590                 lyxerr << "ERROR (LyXParagraph::Erase): "
 591                         "can't erase non-existant char." << endl;
 592         }
 593 }
 594
 595
 596 void LyXParagraph::InsertChar(LyXParagraph::size_type pos, char c)
 597 {
 598         // > because last is the next unused position, and you can
 599         // use it if you want
 600         if (pos > size()) {
 601                 if (next
 602                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
 603                         NextAfterFootnote()->InsertChar(pos - text.size() - 1,
 604                                                         c);
 605                 else
 606                         lyxerr.debug() << "ERROR (LyXParagraph::InsertChar): "
 607                                 "position does not exist." << endl;
 608                 return;
 609         }
 610         text.insert(text.begin() + pos, c);
 611         // Update the font table.
 612         for (FontList::iterator it = fontlist.begin();
 613              it != fontlist.end(); ++it) {
 614                 if ((*it).pos >= pos)
 615                         (*it).pos++;
 616                 if ((*it).pos_end >= pos)
 617                         (*it).pos_end++;
 618         }
 619
 620         // Update the inset table.
 621         for (InsetList::iterator it = lower_bound(insetlist.begin(),
 622                                                   insetlist.end(),
 623                                                   pos, matchIT());
 624              it != insetlist.end(); ++it)
 625                 ++(*it).pos;
 626 }
 627
 628
 629 void LyXParagraph::InsertInset(LyXParagraph::size_type pos,
 630                                Inset * inset)
 631 {
 632         // > because last is the next unused position, and you can
 633         // use it if you want
 634         if (pos > size()) {
 635                 if (next
 636                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
 637                         NextAfterFootnote()
 638                                 ->InsertInset(pos - text.size() - 1, inset);
 639                 else
 640                         lyxerr << "ERROR (LyXParagraph::InsertInset): "
 641                                 "position does not exist: " << pos << endl;
 642                 return;
 643         }
 644         if (text[pos] != LyXParagraph::META_INSET) {
 645                 lyxerr << "ERROR (LyXParagraph::InsertInset): "
 646                         "there is no LyXParagraph::META_INSET" << endl;
 647                 return;
 648         }
 649
 650         if (inset) {
 651                 // Add a new entry in the inset table.
 652                 InsetList::iterator it = lower_bound(insetlist.begin(),
 653                                                      insetlist.end(),
 654                                                      pos, matchIT());
 655                 if (it != insetlist.end() && (*it).pos == pos)
 656                         lyxerr << "ERROR (LyXParagraph::InsertInset): "
 657                                 "there is an inset in position: " << pos << endl;
 658                 else
 659                         insetlist.insert(it, InsetTable(pos,inset));
 660                 if (inset_owner)
 661                         inset->setOwner(inset_owner);
 662         }
 663 }
 664
 665
 666 bool LyXParagraph::InsertInsetAllowed(Inset * inset)
 667 {
 668         if (inset_owner)
 669                 return inset_owner->InsertInsetAllowed(inset);
 670         return true;
 671 }
 672
 673
 674 Inset * LyXParagraph::GetInset(LyXParagraph::size_type pos)
 675 {
 676         if (pos >= size()) {
 677                 if (next
 678                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
 679                         return NextAfterFootnote()
 680                                 ->GetInset(pos - text.size() - 1);
 681                 else {
 682                         lyxerr << "ERROR (LyXParagraph::GetInset): "
 683                                 "position does not exist: "
 684                                << pos << endl;
 685                 }
 686                 return 0;
 687         }
 688         // Find the inset.
 689         InsetList::iterator it = lower_bound(insetlist.begin(),
 690                                              insetlist.end(),
 691                                              pos, matchIT());
 692         if (it != insetlist.end() && (*it).pos == pos)
 693                 return (*it).inset;
 694
 695         lyxerr << "ERROR (LyXParagraph::GetInset): "
 696                 "Inset does not exist: " << pos << endl;
 697         // text[pos] = ' '; // WHY!!! does this set the pos to ' '????
 698         // Did this commenting out introduce a bug? So far I have not
 699         // see any, please enlighten me. (Lgb)
 700         // My guess is that since the inset does not exist, we might
 701         // as well replace it with a space to prevent craches. (Asger)
 702         return 0;
 703 }
 704
 705
 706 Inset const * LyXParagraph::GetInset(LyXParagraph::size_type pos) const
 707 {
 708         if (pos >= size()) {
 709                 if (next
 710                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
 711                         return NextAfterFootnote()
 712                                 ->GetInset(pos - text.size() - 1);
 713                 else {
 714                         lyxerr << "ERROR (LyXParagraph::GetInset): "
 715                                 "position does not exist: "
 716                                << pos << endl;
 717                 }
 718                 return 0;
 719         }
 720         // Find the inset.
 721         InsetList::const_iterator cit = lower_bound(insetlist.begin(),
 722                                                     insetlist.end(),
 723                                                     pos, matchIT());
 724         if (cit != insetlist.end() && (*cit).pos == pos)
 725                 return (*cit).inset;
 726
 727         lyxerr << "ERROR (LyXParagraph::GetInset): "
 728                 "Inset does not exist: " << pos << endl;
 729         //text[pos] = ' '; // WHY!!! does this set the pos to ' '????
 730         // Did this commenting out introduce a bug? So far I have not
 731         // see any, please enlighten me. (Lgb)
 732         // My guess is that since the inset does not exist, we might
 733         // as well replace it with a space to prevent craches. (Asger)
 734         return 0;
 735 }
 736
 737
 738 // Gets uninstantiated font setting at position.
 739 // Optimized after profiling. (Asger)
 740 LyXFont LyXParagraph::GetFontSettings(LyXParagraph::size_type pos) const
 741 {
 742         if (pos < size()) {
 743 #ifdef SORTED_FONT_LIST
 744                 for (FontList::const_iterator cit = fontlist.begin();
 745                      cit != fontlist.end() && pos <= (*cit).pos_end; ++cit)
 746                         if (pos >= (*cit).pos)
 747                                 return (*cit).font;
 748 #else
 749                 for (FontList::const_iterator cit = fontlist.begin();
 750                      cit != fontlist.end(); ++cit)
 751                         if (pos >= (*cit).pos && pos <= (*cit).pos_end)
 752                                 return (*cit).font;
 753 #endif
 754         }
 755         // > because last is the next unused position, and you can
 756         // use it if you want
 757         else if (pos > size()) {
 758                 if (next
 759                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
 760                         return NextAfterFootnote()
 761                                 ->GetFontSettings(pos - text.size() - 1);
 762                 else {
 763                         // Why is it an error to ask for the font of a
 764                         // position that does not exist? Would it be
 765                         // enough for this to be enabled on debug?
 766                         // We want strict error checking, but it's ok to only
 767                         // have it when debugging. (Asger)
 768                         lyxerr << "ERROR (LyXParagraph::GetFontSettings): "
 769                                 "position does not exist. "
 770                                << pos << " (" << static_cast<int>(pos)
 771                                << ")" << endl;
 772                 }
 773         } else if (pos > 0) {
 774                 return GetFontSettings(pos - 1);
 775         } else // pos = size() = 0
 776                 return LyXFont(LyXFont::ALL_INHERIT,getParLanguage());
 777
 778         return LyXFont(LyXFont::ALL_INHERIT);
 779 }
 780
 781 // Gets uninstantiated font setting at position 0
 782 LyXFont LyXParagraph::GetFirstFontSettings() const
 783 {
 784         if (size() > 0) {
 785 #ifdef SORTED_FONT_LIST
 786                 if (!fontlist.empty() && fontlist.front().pos == 0)
 787                         return fontlist.front().font;
 788 #else
 789                 for (FontList::const_iterator cit = fontlist.begin();
 790                      cit != fontlist.end(); ++cit)
 791                         if (0 >= (*cit).pos && 0 <= (*cit).pos_end)
 792                                 return (*cit).font;
 793 #endif
 794         } else if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
 795                 return NextAfterFootnote()->GetFirstFontSettings();
 796         return LyXFont(LyXFont::ALL_INHERIT);
 797 }
 798
 799 // Gets the fully instantiated font at a given position in a paragraph
 800 // This is basically the same function as LyXText::GetFont() in text2.C.
 801 // The difference is that this one is used for generating the LaTeX file,
 802 // and thus cosmetic "improvements" are disallowed: This has to deliver
 803 // the true picture of the buffer. (Asger)
 804 // If position is -1, we get the layout font of the paragraph.
 805 // If position is -2, we get the font of the manual label of the paragraph.
 806 LyXFont LyXParagraph::getFont(LyXParagraph::size_type pos) const
 807 {
 808         LyXFont tmpfont;
 809         LyXLayout const & layout =
 810                 textclasslist.Style(current_view->buffer()->params.textclass,
 811                                     GetLayout());
 812         LyXParagraph::size_type main_body = 0;
 813         if (layout.labeltype == LABEL_MANUAL)
 814                 main_body = BeginningOfMainBody();
 815
 816         if (pos >= 0){
 817                 LyXFont layoutfont;
 818                 if (pos < main_body)
 819                         layoutfont = layout.labelfont;
 820                 else
 821                         layoutfont = layout.font;
 822                 tmpfont = GetFontSettings(pos);
 823                 tmpfont.realize(layoutfont);
 824         } else {
 825                 // process layoutfont for pos == -1 and labelfont for pos < -1
 826                 if (pos == -1)
 827                         tmpfont = layout.font;
 828                 else
 829                         tmpfont = layout.labelfont;
 830                 tmpfont.setLanguage(getParLanguage());
 831         }
 832
 833         // check for environment font information
 834         char par_depth = GetDepth();
 835         LyXParagraph const * par = this;
 836         while (par && par_depth && !tmpfont.resolved()) {
 837                 par = par->DepthHook(par_depth - 1);
 838                 if (par) {
 839                         tmpfont.realize(textclasslist.
 840                                         Style(current_view->buffer()->params.textclass,
 841                                               par->GetLayout()).font);
 842                         par_depth = par->GetDepth();
 843                 }
 844         }
 845
 846         tmpfont.realize(textclasslist
 847                         .TextClass(current_view->buffer()->params.textclass)
 848                         .defaultfont());
 849         return tmpfont;
 850 }
 851
 852
 853 /// Returns the height of the highest font in range
 854 LyXFont::FONT_SIZE
 855 LyXParagraph::HighestFontInRange(LyXParagraph::size_type startpos,
 856                                  LyXParagraph::size_type endpos) const
 857 {
 858         LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
 859         for (FontList::const_iterator cit = fontlist.begin();
 860              cit != fontlist.end(); ++cit) {
 861                 if (startpos <= (*cit).pos_end && endpos >= (*cit).pos) {
 862                         LyXFont::FONT_SIZE size = (*cit).font.size();
 863                         if (size > maxsize && size <= LyXFont::SIZE_HUGER)
 864                                 maxsize = size;
 865                 }
 866         }
 867         return maxsize;
 868 }
 869
 870
 871 char LyXParagraph::GetChar(LyXParagraph::size_type pos)
 872 {
 873         Assert(pos >= 0);
 874
 875         if (pos < size()) {
 876                 return text[pos];
 877         }
 878         // > because last is the next unused position, and you can
 879         // use it if you want
 880         else if (pos > size()) {
 881                 if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
 882                         return NextAfterFootnote()
 883                                 ->GetChar(pos - text.size() - 1);
 884                 else {
 885                         lyxerr << "ERROR (LyXParagraph::GetChar): "
 886                                 "position does not exist."
 887                                << pos << " (" << static_cast<int>(pos)
 888                                << ")\n";
 889                         // Assert(false); // This triggers sometimes...
 890                         // Why?
 891                 }
 892                 return '\0';
 893         } else {
 894                 // We should have a footnote environment.
 895                 if (!next || next->footnoteflag == LyXParagraph::NO_FOOTNOTE) {
 896                         // Notice that LyX does request the
 897                         // last char from time to time. (Asger)
 898                         //lyxerr << "ERROR (LyXParagraph::GetChar): "
 899                         //      "expected footnote." << endl;
 900                         return '\0';
 901                 }
 902                 switch (next->footnotekind) {
 903                 case LyXParagraph::FOOTNOTE:
 904                         return LyXParagraph::META_FOOTNOTE;
 905                 case LyXParagraph::MARGIN:
 906                         return LyXParagraph::META_MARGIN;
 907                 case LyXParagraph::FIG:
 908                 case LyXParagraph::WIDE_FIG:
 909                         return LyXParagraph::META_FIG;
 910                 case LyXParagraph::TAB:
 911                 case LyXParagraph::WIDE_TAB:
 912                         return LyXParagraph::META_TAB;
 913                 case LyXParagraph::ALGORITHM:
 914                         return LyXParagraph::META_ALGORITHM;
 915                 }
 916                 return '\0'; // to shut up gcc
 917         }
 918 }
 919
 920
 921 char LyXParagraph::GetChar(LyXParagraph::size_type pos) const
 922 {
 923         Assert(pos >= 0);
 924
 925         if (pos < size()) {
 926                 return text[pos];
 927         }
 928         // > because last is the next unused position, and you can
 929         // use it if you want
 930         else if (pos > size()) {
 931                 if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
 932                         return NextAfterFootnote()
 933                                 ->GetChar(pos - text.size() - 1);
 934                 else {
 935                         lyxerr << "ERROR (LyXParagraph::GetChar const): "
 936                                 "position does not exist."
 937                                << pos << " (" << static_cast<int>(pos)
 938                                << ")\n";
 939                         Assert(false);
 940                 }
 941                 return '\0';
 942         } else {
 943                 // We should have a footnote environment.
 944                 if (!next || next->footnoteflag == LyXParagraph::NO_FOOTNOTE) {
 945                         // Notice that LyX does request the
 946                         // last char from time to time. (Asger)
 947                         //lyxerr << "ERROR (LyXParagraph::GetChar): "
 948                         //      "expected footnote." << endl;
 949                         return '\0';
 950                 }
 951                 switch (next->footnotekind) {
 952                 case LyXParagraph::FOOTNOTE:
 953                         return LyXParagraph::META_FOOTNOTE;
 954                 case LyXParagraph::MARGIN:
 955                         return LyXParagraph::META_MARGIN;
 956                 case LyXParagraph::FIG:
 957                 case LyXParagraph::WIDE_FIG:
 958                         return LyXParagraph::META_FIG;
 959                 case LyXParagraph::TAB:
 960                 case LyXParagraph::WIDE_TAB:
 961                         return LyXParagraph::META_TAB;
 962                 case LyXParagraph::ALGORITHM:
 963                         return LyXParagraph::META_ALGORITHM;
 964                 }
 965                 return '\0'; // to shut up gcc
 966         }
 967 }
 968
 969
 970 // return an string of the current word, and the end of the word in lastpos.
 971 string LyXParagraph::GetWord(LyXParagraph::size_type & lastpos) const
 972 {
 973         Assert(lastpos>=0);
 974
 975         // the current word is defined as starting at the first character
 976         // from the immediate left of lastpospos which meets the definition
 977         // of IsLetter(), continuing to the last character to the right
 978         // of this meeting IsLetter.
 979
 980         string theword;
 981
 982         // grab a word
 983
 984         // move back until we have a letter
 985
 986         //there's no real reason to have firstpos & lastpos as
 987         //separate variables as this is written, but maybe someon
 988         // will want to return firstpos in the future.
 989
 990         //since someone might have typed a punctuation first
 991         int firstpos = lastpos;
 992
 993         while ((firstpos >= 0) && !IsLetter(firstpos))
 994                 --firstpos;
 995
 996         // now find the beginning by looking for a nonletter
 997
 998         while ((firstpos>= 0) && IsLetter(firstpos))
 999                 --firstpos;
1000
1001         // the above is now pointing to the preceeding non-letter
1002         ++firstpos;
1003         lastpos = firstpos;
1004
1005         // so copy characters into theword  until we get a nonletter
1006         // note that this can easily exceed lastpos, wich means
1007         // that if used in the middle of a word, the whole word
1008         // is included
1009
1010         while (IsLetter(lastpos)) theword += GetChar(lastpos++);
1011
1012         return theword;
1013
1014 }
1015
1016
1017 LyXParagraph::size_type LyXParagraph::Last() const
1018 {
1019         if (next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
1020                 return text.size() + NextAfterFootnote()->Last() + 1;
1021         // the 1 is the symbol
1022         // for the footnote
1023         else
1024                 return text.size();
1025 }
1026
1027
1028 LyXParagraph * LyXParagraph::ParFromPos(LyXParagraph::size_type pos)
1029 {
1030         // > because last is the next unused position, and you can
1031         // use it if you want
1032         if (pos > size()) {
1033                 if (next
1034                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
1035                         return NextAfterFootnote()
1036                                 ->ParFromPos(pos - text.size() - 1);
1037                 else
1038                         lyxerr << "ERROR (LyXParagraph::ParFromPos): "
1039                                 "position does not exist." << endl;
1040                 return this;
1041         } else
1042                 return this;
1043 }
1044
1045
1046 int LyXParagraph::PositionInParFromPos(LyXParagraph::size_type pos) const
1047 {
1048         // > because last is the next unused position, and you can
1049         // use it if you want
1050         if (pos > size()) {
1051                 if (next
1052                     && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
1053                         return NextAfterFootnote()
1054                                 ->PositionInParFromPos(pos - text.size() - 1);
1055                 else
1056                         lyxerr <<
1057                                 "ERROR (LyXParagraph::PositionInParFromPos): "
1058                                 "position does not exist." << endl;
1059                 return pos;
1060         }
1061         else
1062                 return pos;
1063 }
1064
1065
1066 void LyXParagraph::SetFont(LyXParagraph::size_type pos,
1067                            LyXFont const & font)
1068 {
1069         // > because last is the next unused position, and you can
1070         // use it if you want
1071         if (pos > size()) {
1072                 if (next &&
1073                     next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1074                         NextAfterFootnote()->SetFont(pos - text.size() - 1,
1075                                                      font);
1076                 } else {
1077                         lyxerr << "ERROR (LyXParagraph::SetFont): "
1078                                 "position does not exist." << endl;
1079                 }
1080                 return;
1081         }
1082         LyXFont patternfont(LyXFont::ALL_INHERIT);
1083
1084         // First, reduce font against layout/label font
1085         // Update: The SetCharFont() routine in text2.C already
1086         // reduces font, so we don't need to do that here. (Asger)
1087         // No need to simplify this because it will disappear
1088         // in a new kernel. (Asger)
1089         // Next search font table
1090         FontList::iterator tmp = fontlist.begin();
1091         for (; tmp != fontlist.end(); ++tmp) {
1092                 if (pos >= (*tmp).pos && pos <= (*tmp).pos_end) {
1093                         break;
1094                 }
1095         }
1096         if (tmp == fontlist.end()) { // !found
1097                 // if we did not find a font entry, but if the font at hand
1098                 // is the same as default, we just forget it
1099                 if (font == patternfont) return;
1100
1101                 // ok, we did not find a font entry. But maybe there is exactly
1102                 // the needed font ientry one position left
1103                 FontList::iterator tmp2 = fontlist.begin();
1104                 for (; tmp2 != fontlist.end(); ++tmp2) {
1105                         if (pos - 1 >= (*tmp2).pos
1106                             && pos - 1 <= (*tmp2).pos_end)
1107                                 break;
1108                 }
1109                 if (tmp2 != fontlist.end()) {
1110                         // ok there is one, maybe it is exactly
1111                         // the needed font
1112                         if ((*tmp2).font == font) {
1113                                 // put the position under the font
1114                                 (*tmp2).pos_end++;
1115                                 return;
1116                         }
1117                 }
1118                 // Add a new entry in the
1119                 // fontlist for the position
1120                 FontTable ft;
1121                 ft.pos = pos;
1122                 ft.pos_end = pos;
1123                 ft.font = font; // or patternfont
1124                 // It seems that using font instead of patternfont here
1125                 // fixes all the problems. This also surfaces a "bug" in
1126                 // the old code.
1127                 fontlist.insert(fontlist.begin(), ft);
1128         } else if ((*tmp).pos != (*tmp).pos_end) { // we found a font entry. maybe we have to split it and create a new one.
1129
1130 // more than one character
1131                 if (pos == (*tmp).pos) {
1132                         // maybe we should enlarge the left fonttable
1133                         FontList::iterator tmp2 = fontlist.begin();
1134                         for (; tmp2 != fontlist.end(); ++tmp2) {
1135                                 if (pos - 1 >= (*tmp2).pos
1136                                     && pos - 1 <= (*tmp2).pos_end)
1137                                         break;
1138                         }
1139                         // Is there is one, and is it exactly
1140                         // the needed font?
1141                         if (tmp2 != fontlist.end() &&
1142                             (*tmp2).font == font) {
1143                                 // Put the position under the font
1144                                 (*tmp2).pos_end++;
1145                                 (*tmp).pos++;
1146                                 return;
1147                         }
1148
1149                         // Add a new entry in the
1150                         // fontlist for the position
1151                         FontTable ft;
1152                         ft.pos = pos + 1;
1153                         ft.pos_end = (*tmp).pos_end;
1154                         ft.font = (*tmp).font;
1155                         (*tmp).pos_end = pos;
1156                         (*tmp).font = font;
1157                         fontlist.insert(fontlist.begin(), ft);
1158                 } else if (pos == (*tmp).pos_end) {
1159                         // Add a new entry in the
1160                         // fontlist for the position
1161                         FontTable ft;
1162                         ft.pos = (*tmp).pos;
1163                         ft.pos_end = (*tmp).pos_end - 1;
1164                         ft.font = (*tmp).font;
1165                         (*tmp).pos = (*tmp).pos_end;
1166                         (*tmp).font = font;
1167                         fontlist.insert(fontlist.begin(), ft);
1168                 } else {
1169                         // Add a new entry in the
1170                         // fontlist for the position
1171                         FontTable ft;
1172                         ft.pos = (*tmp).pos;
1173                         ft.pos_end = pos - 1;
1174                         ft.font = (*tmp).font;
1175
1176                         FontTable ft2;
1177                         ft2.pos = pos + 1;
1178                         ft2.pos_end = (*tmp).pos_end;
1179                         ft2.font = (*tmp).font;
1180
1181                         (*tmp).pos = pos;
1182                         (*tmp).pos_end = pos;
1183                         (*tmp).font = font;
1184
1185                         fontlist.insert(fontlist.begin(), ft);
1186                         fontlist.insert(fontlist.begin(), ft2);
1187                 }
1188         } else {
1189                 (*tmp).font = font;
1190         }
1191 }
1192
1193
1194 // This function is able to hide closed footnotes.
1195 LyXParagraph * LyXParagraph::Next()
1196 {
1197         if (next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1198                 LyXParagraph * tmp = next;
1199                 while (tmp
1200                        && tmp->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
1201                         tmp = tmp->next;
1202                 if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
1203                         return tmp->Next(); /* there can be more than one
1204                                                footnote in a logical
1205                                                paragraph */
1206                 else
1207                         return next;  // This should never happen!
1208         } else
1209                 return next;
1210 }
1211
1212
1213 LyXParagraph * LyXParagraph::NextAfterFootnote()
1214 {
1215         if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
1216                 LyXParagraph * tmp = next;
1217                 while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
1218                         tmp = tmp->next;
1219                 if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
1220                         return tmp;   /* there can be more than one footnote
1221                                          in a logical paragraph */
1222                 else
1223                         return next;  // This should never happen!
1224         } else
1225                 return next;
1226 }
1227
1228
1229 LyXParagraph const * LyXParagraph::NextAfterFootnote() const
1230 {
1231         if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
1232                 LyXParagraph * tmp = next;
1233                 while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
1234                         tmp = tmp->next;
1235                 if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
1236                         return tmp;   /* there can be more than one footnote
1237                                          in a logical paragraph */
1238                 else
1239                         return next;  // This should never happen!
1240         } else
1241                 return next;
1242 }
1243
1244
1245 LyXParagraph * LyXParagraph::PreviousBeforeFootnote()
1246 {
1247         LyXParagraph * tmp;
1248         if (previous && previous->footnoteflag != LyXParagraph::NO_FOOTNOTE) {
1249                 tmp = previous;
1250                 while (tmp && tmp->footnoteflag != LyXParagraph::NO_FOOTNOTE)
1251                         tmp = tmp->previous;
1252                 if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
1253                         return tmp;    /* there can be more than one footnote
1254                                           in a logical paragraph */
1255                 else
1256                         return previous;  // This should never happen!
1257         } else
1258                 return previous;
1259 }
1260
1261
1262 LyXParagraph * LyXParagraph::LastPhysicalPar()
1263 {
1264         if (footnoteflag != LyXParagraph::NO_FOOTNOTE)
1265                 return this;
1266
1267         LyXParagraph * tmp = this;
1268         while (tmp->next
1269                && tmp->next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
1270                 tmp = tmp->NextAfterFootnote();
1271
1272         return tmp;
1273 }
1274
1275 LyXParagraph const * LyXParagraph::LastPhysicalPar() const
1276 {
1277         if (footnoteflag != LyXParagraph::NO_FOOTNOTE)
1278                 return this;
1279
1280         LyXParagraph const * tmp = this;
1281         while (tmp->next
1282                && tmp->next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
1283                 tmp = tmp->NextAfterFootnote();
1284
1285         return tmp;
1286 }
1287
1288 LyXParagraph * LyXParagraph::FirstPhysicalPar()
1289 {
1290         if (!IsDummy())
1291                 return this;
1292         LyXParagraph * tmppar = this;
1293
1294         while (tmppar &&
1295                (tmppar->IsDummy()
1296                 || tmppar->footnoteflag != LyXParagraph::NO_FOOTNOTE))
1297                 tmppar = tmppar->previous;
1298
1299         if (!tmppar) {
1300                 return this;
1301         } else
1302                 return tmppar;
1303 }
1304
1305
1306 LyXParagraph const * LyXParagraph::FirstPhysicalPar() const
1307 {
1308         if (!IsDummy())
1309                 return this;
1310         LyXParagraph const * tmppar = this;
1311
1312         while (tmppar &&
1313                (tmppar->IsDummy()
1314                 || tmppar->footnoteflag != LyXParagraph::NO_FOOTNOTE))
1315                 tmppar = tmppar->previous;
1316
1317         if (!tmppar) {
1318                 return this;
1319         } else
1320                 return tmppar;
1321 }
1322
1323
1324 // This function is able to hide closed footnotes.
1325 LyXParagraph * LyXParagraph::Previous()
1326 {
1327         LyXParagraph * tmp = previous;
1328         if (!tmp)
1329                 return tmp;
1330
1331         if (tmp->previous
1332             && tmp->previous->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1333                 tmp = tmp->previous;
1334                 while (tmp
1335                        && tmp->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
1336                         tmp = tmp->previous;
1337                 if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
1338                         return tmp->next->Previous();
1339
1340                 else
1341                         return previous;
1342         } else
1343                 return previous;
1344 }
1345
1346
1347 // This function is able to hide closed footnotes.
1348 LyXParagraph const * LyXParagraph::Previous() const
1349 {
1350         LyXParagraph * tmp = previous;
1351         if (!tmp)
1352                 return tmp;
1353
1354         if (tmp->previous
1355             && tmp->previous->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1356                 tmp = tmp->previous;
1357                 while (tmp
1358                        && tmp->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE)
1359                         tmp = tmp->previous;
1360                 if (tmp && tmp->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
1361                         return tmp->next->Previous();
1362
1363                 else
1364                         return previous;
1365         } else
1366                 return previous;
1367 }
1368
1369
1370 void LyXParagraph::BreakParagraph(LyXParagraph::size_type pos,
1371                                   int flag)
1372 {
1373         size_type i, j, pos_end, pos_first;
1374         // create a new paragraph
1375         LyXParagraph * par = ParFromPos(pos);
1376         LyXParagraph * firstpar = FirstPhysicalPar();
1377
1378         LyXParagraph * tmp = new LyXParagraph(par);
1379
1380         tmp->footnoteflag = footnoteflag;
1381         tmp->footnotekind = footnotekind;
1382
1383         // this is an idea for a more userfriendly layout handling, I will
1384         // see what the users say
1385
1386         // layout stays the same with latex-environments
1387         if (flag) {
1388                 tmp->SetOnlyLayout(firstpar->layout);
1389                 tmp->SetLabelWidthString(firstpar->labelwidthstring);
1390         }
1391
1392         if (Last() > pos || !Last() || flag == 2) {
1393                 tmp->SetOnlyLayout(firstpar->layout);
1394                 tmp->align = firstpar->align;
1395                 tmp->SetLabelWidthString(firstpar->labelwidthstring);
1396
1397                 tmp->line_bottom = firstpar->line_bottom;
1398                 firstpar->line_bottom = false;
1399                 tmp->pagebreak_bottom = firstpar->pagebreak_bottom;
1400                 firstpar->pagebreak_bottom = false;
1401                 tmp->added_space_bottom = firstpar->added_space_bottom;
1402                 firstpar->added_space_bottom = VSpace(VSpace::NONE);
1403
1404                 tmp->depth = firstpar->depth;
1405                 tmp->noindent = firstpar->noindent;
1406
1407                 // copy everything behind the break-position
1408                 // to the new paragraph
1409                 pos_first = 0;
1410                 while (ParFromPos(pos_first) != par)
1411                         ++pos_first;
1412
1413                 pos_end = pos_first + par->text.size() - 1;
1414
1415                 for (i = j = pos; i <= pos_end; ++i) {
1416                         par->CutIntoMinibuffer(i - pos_first);
1417                         if (tmp->InsertFromMinibuffer(j - pos))
1418                                 ++j;
1419                 }
1420                 tmp->text.resize(tmp->text.size());
1421                 for (i = pos_end; i >= pos; --i)
1422                         par->Erase(i - pos_first);
1423
1424                 par->text.resize(par->text.size());
1425         }
1426
1427         // just an idea of me
1428         if (!pos) {
1429                 tmp->line_top = firstpar->line_top;
1430                 tmp->pagebreak_top = firstpar->pagebreak_top;
1431                 tmp->added_space_top = firstpar->added_space_top;
1432                 tmp->bibkey = firstpar->bibkey;
1433                 firstpar->Clear();
1434                 // layout stays the same with latex-environments
1435                 if (flag) {
1436                         firstpar->SetOnlyLayout(tmp->layout);
1437                         firstpar->SetLabelWidthString(tmp->labelwidthstring);
1438                         firstpar->depth = tmp->depth;
1439                 }
1440         }
1441 }
1442
1443
1444 void LyXParagraph::MakeSameLayout(LyXParagraph const * par)
1445 {
1446         par = par->FirstPhysicalPar();
1447         footnoteflag = par->footnoteflag;
1448         footnotekind = par->footnotekind;
1449
1450         layout = par->layout;
1451         align = par-> align;
1452         SetLabelWidthString(par->labelwidthstring);
1453
1454         line_bottom = par->line_bottom;
1455         pagebreak_bottom = par->pagebreak_bottom;
1456         added_space_bottom = par->added_space_bottom;
1457
1458         line_top = par->line_top;
1459         pagebreak_top = par->pagebreak_top;
1460         added_space_top = par->added_space_top;
1461
1462         spacing = par->spacing;
1463
1464         pextra_type = par->pextra_type;
1465         pextra_width = par->pextra_width;
1466         pextra_widthp = par->pextra_widthp;
1467         pextra_alignment = par->pextra_alignment;
1468         pextra_hfill = par->pextra_hfill;
1469         pextra_start_minipage = par->pextra_start_minipage;
1470
1471         noindent = par->noindent;
1472         depth = par->depth;
1473 }
1474
1475
1476 LyXParagraph * LyXParagraph::FirstSelfrowPar()
1477 {
1478         LyXParagraph * tmppar = this;
1479         while (tmppar && (
1480                 (tmppar->IsDummy()
1481                  && tmppar->previous->footnoteflag ==
1482                  LyXParagraph::CLOSED_FOOTNOTE)
1483                 || tmppar->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE))
1484                 tmppar = tmppar->previous;
1485
1486         if (!tmppar)
1487                 return this;  // This should never happen!
1488         else
1489                 return tmppar;
1490 }
1491
1492
1493 LyXParagraph * LyXParagraph::Clone() const
1494 {
1495         // create a new paragraph
1496         LyXParagraph * result = new LyXParagraph;
1497
1498         result->MakeSameLayout(this);
1499
1500         // this is because of the dummy layout of the paragraphs that
1501         // follow footnotes
1502         result->layout = layout;
1503
1504         /* table stuff -- begin*/
1505         if (table)
1506                 result->table = table->Clone();
1507         else
1508                 result->table = 0;
1509         /* table stuff -- end*/
1510
1511         result->inset_owner = inset_owner;
1512
1513         // ale970302
1514         result->bibkey = (bibkey) ? new InsetBibKey(bibkey): 0;
1515
1516
1517         // copy everything behind the break-position to the new paragraph
1518
1519         result->text = text;
1520         result->fontlist = fontlist;
1521         result->insetlist = insetlist;
1522         for (InsetList::iterator it = result->insetlist.begin();
1523              it != result->insetlist.end(); ++it)
1524                 (*it).inset = (*it).inset->Clone();
1525         return result;
1526 }
1527
1528
1529 bool LyXParagraph::HasSameLayout(LyXParagraph const * par) const
1530 {
1531         par = par->FirstPhysicalPar();
1532
1533         return (
1534                 par->footnoteflag == footnoteflag &&
1535                 par->footnotekind == footnotekind &&
1536
1537                 par->layout == layout &&
1538
1539                 par->align == align &&
1540
1541                 par->line_bottom == line_bottom &&
1542                 par->pagebreak_bottom == pagebreak_bottom &&
1543                 par->added_space_bottom == added_space_bottom &&
1544
1545                 par->line_top == line_top &&
1546                 par->pagebreak_top == pagebreak_top &&
1547                 par->added_space_top == added_space_top &&
1548
1549                 par->spacing == spacing &&
1550
1551                 par->pextra_type == pextra_type &&
1552                 par->pextra_width == pextra_width &&
1553                 par->pextra_widthp == pextra_widthp &&
1554                 par->pextra_alignment == pextra_alignment &&
1555                 par->pextra_hfill == pextra_hfill &&
1556                 par->pextra_start_minipage == pextra_start_minipage &&
1557
1558                 par->table == table && // what means: NO TABLE AT ALL
1559
1560                 par->noindent == noindent &&
1561                 par->depth == depth);
1562 }
1563
1564
1565 void LyXParagraph::BreakParagraphConservative(LyXParagraph::size_type pos)
1566 {
1567         // create a new paragraph
1568         LyXParagraph * par = ParFromPos(pos);
1569
1570         LyXParagraph * tmp = new LyXParagraph(par);
1571
1572         tmp->MakeSameLayout(par);
1573
1574         // When can pos < Last()?
1575         // I guess pos == Last() is possible.
1576         if (Last() > pos) {
1577                 // copy everything behind the break-position to the new
1578                 // paragraph
1579                 size_type pos_first = 0;
1580                 while (ParFromPos(pos_first) != par)
1581                         ++pos_first;
1582                 size_type pos_end = pos_first + par->text.size() - 1;
1583
1584                 size_type i, j;
1585                 for (i = j = pos; i <= pos_end; ++i) {
1586                         par->CutIntoMinibuffer(i - pos_first);
1587                         if (tmp->InsertFromMinibuffer(j - pos))
1588                                 ++j;
1589                 }
1590                 tmp->text.resize(tmp->text.size());
1591                 for (size_type i = pos_end; i >= pos; --i)
1592                         par->Erase(i - pos_first);
1593
1594                 par->text.resize(par->text.size());
1595         }
1596 }
1597
1598
1599 // Be carefull, this does not make any check at all.
1600 void LyXParagraph::PasteParagraph()
1601 {
1602         // copy the next paragraph to this one
1603         LyXParagraph * the_next = Next();
1604
1605         LyXParagraph * firstpar = FirstPhysicalPar();
1606
1607         // first the DTP-stuff
1608         firstpar->line_bottom = the_next->line_bottom;
1609         firstpar->added_space_bottom = the_next->added_space_bottom;
1610         firstpar->pagebreak_bottom = the_next->pagebreak_bottom;
1611
1612         size_type pos_end = the_next->text.size() - 1;
1613         size_type pos_insert = Last();
1614
1615         // ok, now copy the paragraph
1616         size_type i, j;
1617         for (i = j = 0; i <= pos_end; ++i) {
1618                 the_next->CutIntoMinibuffer(i);
1619                 if (InsertFromMinibuffer(pos_insert + j))
1620                         ++j;
1621         }
1622
1623         // delete the next paragraph
1624         LyXParagraph *ppar = the_next->previous;
1625         LyXParagraph *npar = the_next->next;
1626         delete the_next;
1627         ppar->next = npar;
1628 }
1629
1630
1631 void LyXParagraph::OpenFootnote(LyXParagraph::size_type pos)
1632 {
1633         LyXParagraph * par = ParFromPos(pos);
1634         par = par->next;
1635         while (par && par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1636                 par->footnoteflag = LyXParagraph::OPEN_FOOTNOTE;
1637                 par = par->next;
1638         }
1639 }
1640
1641
1642 void LyXParagraph::CloseFootnote(LyXParagraph::size_type pos)
1643 {
1644         LyXParagraph * par = ParFromPos(pos);
1645         par = par->next;
1646         while (par && par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE) {
1647                 par->footnoteflag = LyXParagraph::CLOSED_FOOTNOTE;
1648                 par = par->next;
1649         }
1650 }
1651
1652 int LyXParagraph::GetEndLabel() const
1653 {
1654         LyXParagraph const * par = this;
1655         int par_depth = GetDepth();
1656         while (par) {
1657                 LyXTextClass::LayoutList::size_type layout = par->GetLayout();
1658                 int endlabeltype =
1659                         textclasslist.Style(current_view->buffer()->params.textclass,
1660                                             layout).endlabeltype;
1661                 if (endlabeltype != END_LABEL_NO_LABEL) {
1662                         LyXParagraph const * last = this;
1663                         if( footnoteflag == NO_FOOTNOTE)
1664                                 last = LastPhysicalPar();
1665                         else if (next->footnoteflag == NO_FOOTNOTE)
1666                                 return endlabeltype;
1667
1668                         if (!last || !last->next)
1669                                 return endlabeltype;
1670
1671                         int next_depth = last->next->GetDepth();
1672                         if (par_depth > next_depth ||
1673                             (par_depth == next_depth && layout != last->next->GetLayout() ))
1674                                 return endlabeltype;
1675                         break;
1676                 }
1677                 if (par_depth == 0)
1678                         break;
1679                 par = par->DepthHook(par_depth - 1);
1680                 if (par)
1681                         par_depth = par->GetDepth();
1682         }
1683         return END_LABEL_NO_LABEL;
1684 }
1685
1686
1687 LyXTextClass::size_type LyXParagraph::GetLayout() const
1688 {
1689         return FirstPhysicalPar()->layout;
1690 }
1691
1692
1693 char LyXParagraph::GetDepth() const
1694 {
1695         return FirstPhysicalPar()->depth;
1696 }
1697
1698
1699 char LyXParagraph::GetAlign() const
1700 {
1701         return FirstPhysicalPar()->align;
1702 }
1703
1704
1705 string LyXParagraph::GetLabelstring() const
1706 {
1707         return FirstPhysicalPar()->labelstring;
1708 }
1709
1710
1711 int LyXParagraph::GetFirstCounter(int i) const
1712 {
1713         return FirstPhysicalPar()->counter_[i];
1714 }
1715
1716
1717 // the next two functions are for the manual labels
1718 string LyXParagraph::GetLabelWidthString() const
1719 {
1720         if (!FirstPhysicalPar()->labelwidthstring.empty())
1721                 return FirstPhysicalPar()->labelwidthstring;
1722         else
1723                 return _("Senseless with this layout!");
1724 }
1725
1726
1727 void LyXParagraph::SetLabelWidthString(string const & s)
1728 {
1729         LyXParagraph * par = FirstPhysicalPar();
1730
1731         par->labelwidthstring = s;
1732 }
1733
1734
1735 void LyXParagraph::SetOnlyLayout(LyXTextClass::size_type new_layout)
1736 {
1737         LyXParagraph * par = FirstPhysicalPar();
1738         LyXParagraph * ppar = 0;
1739         LyXParagraph * npar = 0;
1740
1741         par->layout = new_layout;
1742         /* table stuff -- begin*/
1743         if (table)
1744                 par->layout = 0;
1745         /* table stuff -- end*/
1746         if (par->pextra_type == PEXTRA_NONE) {
1747                 if (par->Previous()) {
1748                         ppar = par->Previous()->FirstPhysicalPar();
1749                         while(ppar
1750                               && ppar->Previous()
1751                               && (ppar->depth > par->depth))
1752                                 ppar = ppar->Previous()->FirstPhysicalPar();
1753                 }
1754                 if (par->Next()) {
1755                         npar = par->Next()->NextAfterFootnote();
1756                         while(npar
1757                               && npar->Next()
1758                               && (npar->depth > par->depth))
1759                                 npar = npar->Next()->NextAfterFootnote();
1760                 }
1761                 if (ppar && (ppar->pextra_type != PEXTRA_NONE)) {
1762                         string
1763                                 p1 = ppar->pextra_width,
1764                                 p2 = ppar->pextra_widthp;
1765                         ppar->SetPExtraType(ppar->pextra_type,
1766                                             p1.c_str(), p2.c_str());
1767                 }
1768                 if ((par->pextra_type == PEXTRA_NONE) &&
1769                     npar && (npar->pextra_type != PEXTRA_NONE)) {
1770                         string
1771                                 p1 = npar->pextra_width,
1772                                 p2 = npar->pextra_widthp;
1773                         npar->SetPExtraType(npar->pextra_type,
1774                                             p1.c_str(), p2.c_str());
1775                 }
1776         }
1777 }
1778
1779
1780 void LyXParagraph::SetLayout(LyXTextClass::size_type new_layout)
1781 {
1782         LyXParagraph
1783                 * par = FirstPhysicalPar(),
1784                 * ppar = 0,
1785                 * npar = 0;
1786
1787         par->layout = new_layout;
1788         par->labelwidthstring.erase();
1789         par->align = LYX_ALIGN_LAYOUT;
1790         par->added_space_top = VSpace(VSpace::NONE);
1791         par->added_space_bottom = VSpace(VSpace::NONE);
1792         par->spacing.set(Spacing::Default);
1793
1794         /* table stuff -- begin*/
1795         if (table)
1796                 par->layout = 0;
1797         /* table stuff -- end*/
1798         if (par->pextra_type == PEXTRA_NONE) {
1799                 if (par->Previous()) {
1800                         ppar = par->Previous()->FirstPhysicalPar();
1801                         while(ppar
1802                               && ppar->Previous()
1803                               && (ppar->depth > par->depth))
1804                                 ppar = ppar->Previous()->FirstPhysicalPar();
1805                 }
1806                 if (par->Next()) {
1807                         npar = par->Next()->NextAfterFootnote();
1808                         while(npar
1809                               && npar->Next()
1810                               && (npar->depth > par->depth))
1811                                 npar = npar->Next()->NextAfterFootnote();
1812                 }
1813                 if (ppar && (ppar->pextra_type != PEXTRA_NONE)) {
1814                         string
1815                                 p1 = ppar->pextra_width,
1816                                 p2 = ppar->pextra_widthp;
1817                         ppar->SetPExtraType(ppar->pextra_type,
1818                                             p1.c_str(), p2.c_str());
1819                 }
1820                 if ((par->pextra_type == PEXTRA_NONE) &&
1821                     npar && (npar->pextra_type != PEXTRA_NONE)) {
1822                         string
1823                                 p1 = npar->pextra_width,
1824                                 p2 = npar->pextra_widthp;
1825                         npar->SetPExtraType(npar->pextra_type,
1826                                             p1.c_str(), p2.c_str());
1827                 }
1828         }
1829 }
1830
1831
1832 // if the layout of a paragraph contains a manual label, the beginning of the
1833 // main body is the beginning of the second word. This is what the par-
1834 // function returns. If the layout does not contain a label, the main
1835 // body always starts with position 0. This differentiation is necessary,
1836 // because there cannot be a newline or a blank <= the beginning of the
1837 // main body in TeX.
1838
1839 int LyXParagraph::BeginningOfMainBody() const
1840 {
1841         if (FirstPhysicalPar() != this)
1842                 return -1;
1843
1844         // Unroll the first two cycles of the loop
1845         // and remember the previous character to
1846         // remove unnecessary GetChar() calls
1847         size_type i = 0;
1848         if (i < size()
1849             && GetChar(i) != LyXParagraph::META_NEWLINE
1850                 ) {
1851                 ++i;
1852                 char previous_char = 0, temp = 0;
1853                 if (i < size()
1854                     && (previous_char = GetChar(i)) != LyXParagraph::META_NEWLINE) {
1855                         // Yes, this  ^ is supposed to be "= " not "=="
1856                         ++i;
1857                         while (i < size()
1858                                && previous_char != ' '
1859                                && (temp = GetChar(i)) != LyXParagraph::META_NEWLINE) {
1860                                 ++i;
1861                                 previous_char = temp;
1862                         }
1863                 }
1864         }
1865
1866         if (i == 0 && i == size() &&
1867             !(footnoteflag == LyXParagraph::NO_FOOTNOTE
1868               && next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE))
1869                 ++i;                           /* the cursor should not jump
1870                                                 * to the main body if there
1871                                                 * is nothing in! */
1872         return i;
1873 }
1874
1875
1876 LyXParagraph * LyXParagraph::DepthHook(int deth)
1877 {
1878         LyXParagraph * newpar = this;
1879         if (deth < 0)
1880                 return 0;
1881
1882         do {
1883                 newpar = newpar->FirstPhysicalPar()->Previous();
1884         } while (newpar && newpar->GetDepth() > deth
1885                  && newpar->footnoteflag == footnoteflag);
1886
1887         if (!newpar) {
1888                 if (Previous() || GetDepth())
1889                         lyxerr << "ERROR (LyXParagraph::DepthHook): "
1890                                 "no hook." << endl;
1891                 newpar = this;
1892         }
1893         return newpar->FirstPhysicalPar();
1894 }
1895
1896
1897 LyXParagraph const * LyXParagraph::DepthHook(int deth) const
1898 {
1899         LyXParagraph const * newpar = this;
1900         if (deth < 0)
1901                 return 0;
1902
1903         do {
1904                 newpar = newpar->FirstPhysicalPar()->Previous();
1905         } while (newpar && newpar->GetDepth() > deth
1906                  && newpar->footnoteflag == footnoteflag);
1907
1908         if (!newpar) {
1909                 if (Previous() || GetDepth())
1910                         lyxerr << "ERROR (LyXParagraph::DepthHook): "
1911                                 "no hook." << endl;
1912                 newpar = this;
1913         }
1914         return newpar->FirstPhysicalPar();
1915 }
1916
1917
1918 int LyXParagraph::AutoDeleteInsets()
1919 {
1920         int count = 0;
1921         InsetList::size_type index = 0;
1922         while (index < insetlist.size()) {
1923                 if (insetlist[index].inset && insetlist[index].inset->AutoDelete()) {
1924                         Erase(insetlist[index].pos);
1925                         // Erase() calls to insetlist.erase(&insetlist[index])
1926                         // so index shouldn't be increased.
1927                         ++count;
1928                 } else
1929                         ++index;
1930         }
1931         return count;
1932 }
1933
1934
1935 LyXParagraph::inset_iterator LyXParagraph::InsetIterator(LyXParagraph::size_type pos)
1936 {
1937         InsetList::iterator it = lower_bound(insetlist.begin(),
1938                                              insetlist.end(),
1939                                              pos, matchIT());
1940         return inset_iterator(it);
1941 }
1942
1943
1944 // returns -1 if inset not found
1945 int LyXParagraph::GetPositionOfInset(Inset * inset) const
1946 {
1947         // Find the entry.
1948         // We could use lower_bound here too, we just need to add
1949         // the approp. operator() to matchIT (and change the name
1950         // of that struct). Code would then be:
1951         // InsetList::const_iterator cit = lower_bound(insetlist.begin(),
1952         //                                             insetlist.end(),
1953         //                                             inset, matchIT());
1954         // if ((*cit).inset == inset) {
1955         //         return (*cit).pos;
1956         // }
1957         for (InsetList::const_iterator cit = insetlist.begin();
1958              cit != insetlist.end(); ++cit) {
1959                 if ((*cit).inset == inset) {
1960                         return (*cit).pos;
1961                 }
1962         }
1963         // Think about footnotes.
1964         if (footnoteflag == LyXParagraph::NO_FOOTNOTE
1965             && next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1966                 int further =
1967                         NextAfterFootnote()->GetPositionOfInset(inset);
1968                 if (further != -1)
1969                         return text.size() + 1 + further;
1970         }
1971         return -1;
1972 }
1973
1974
1975 LyXParagraph * LyXParagraph::TeXOnePar(ostream & os, TexRow & texrow,
1976                                        bool moving_arg,
1977                                        ostream & foot,
1978                                        TexRow & foot_texrow,
1979                                        int & foot_count)
1980 {
1981         lyxerr[Debug::LATEX] << "TeXOnePar...     " << this << endl;
1982         LyXLayout const & style =
1983                 textclasslist.Style(current_view->buffer()->params.textclass,
1984                                     layout);
1985
1986         bool further_blank_line = false;
1987         if (IsDummy())
1988                 lyxerr << "ERROR (LyXParagraph::TeXOnePar) is dummy." << endl;
1989
1990         if (start_of_appendix) {
1991                 os << "\\appendix\n";
1992                 texrow.newline();
1993         }
1994
1995         if (!spacing.isDefault()
1996             && (!Previous() || !Previous()->HasSameLayout(this))) {
1997                 os << spacing.writeEnvirBegin() << "\n";
1998                 texrow.newline();
1999         }
2000
2001         if (tex_code_break_column && style.isCommand()){
2002                 os << '\n';
2003                 texrow.newline();
2004         }
2005
2006         if (pagebreak_top) {
2007                 os << "\\newpage";
2008                 further_blank_line = true;
2009         }
2010         if (added_space_top.kind() != VSpace::NONE) {
2011                 os << added_space_top.asLatexCommand(current_view->buffer()->params);
2012                 further_blank_line = true;
2013         }
2014
2015         if (line_top) {
2016                 os << "\\lyxline{\\" << getFont(0).latexSize() << '}'
2017                    << "\\vspace{-1\\parskip}";
2018                 further_blank_line = true;
2019         }
2020
2021         if (further_blank_line){
2022                 os << '\n';
2023                 texrow.newline();
2024         }
2025
2026         Language const * language = getParLanguage();
2027         Language const * doc_language = current_view->buffer()->params.language_info;
2028         if (language != doc_language) {
2029                 os << subst(lyxrc.language_command_begin, "$$lang",
2030                             language->lang)
2031                    << endl;
2032                 texrow.newline();
2033         }
2034
2035         switch (style.latextype) {
2036         case LATEX_COMMAND:
2037                 os << '\\'
2038                    << style.latexname()
2039                    << style.latexparam();
2040                 break;
2041         case LATEX_ITEM_ENVIRONMENT:
2042                 if (bibkey) {
2043                         bibkey->Latex(os, false, false);
2044                 } else
2045                         os << "\\item ";
2046                 break;
2047         case LATEX_LIST_ENVIRONMENT:
2048                 os << "\\item ";
2049                 break;
2050         default:
2051                 break;
2052         }
2053
2054         bool need_par = SimpleTeXOnePar(os, texrow, moving_arg);
2055
2056         // Spit out footnotes
2057         LyXParagraph * par = next;
2058         if (lyxrc.rtl_support) {
2059                 if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
2060                     && next->footnoteflag != footnoteflag) {
2061                         LyXParagraph * p = 0;
2062                         bool is_rtl = GetFontSettings(size()-1).isRightToLeft();
2063                         if ( (p = NextAfterFootnote()) != 0 &&
2064                              p->GetFontSettings(0).isRightToLeft() != is_rtl)
2065                                 is_rtl = GetFontSettings(0).isRightToLeft();
2066                         while (par &&
2067                                par->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
2068                                par->footnoteflag != footnoteflag) {
2069                                 par = par->TeXFootnote(os, texrow, foot,
2070                                                        foot_texrow, foot_count,
2071                                                        is_rtl);
2072                                 par->SimpleTeXOnePar(os, texrow, moving_arg);
2073                                 is_rtl = par->GetFontSettings(par->size()-1).isRightToLeft();
2074                                 if (par->next &&
2075                                     par->next->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
2076                                     (p = par->NextAfterFootnote()) != 0 &&
2077                                     p->GetFontSettings(0).isRightToLeft() != is_rtl)
2078                                         is_rtl = GetFontSettings(0).isRightToLeft();
2079                                 par = par->next;
2080                         }
2081                 }
2082         } else {
2083                 while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
2084                        && par->footnoteflag != footnoteflag) {
2085                         par = par->TeXFootnote(os, texrow,
2086                                                foot, foot_texrow, foot_count,
2087                                                false);
2088                         par->SimpleTeXOnePar(os, texrow, moving_arg);
2089                         par = par->next;
2090                 }
2091         }
2092
2093         // Make sure that \\par is done with the font of the last
2094         // character if this has another size as the default.
2095         // This is necessary because LaTeX (and LyX on the screen)
2096         // calculates the space between the baselines according
2097         // to this font. (Matthias)
2098         LyXFont font = getFont(Last() - 1);
2099         if (need_par) {
2100                 if (style.resfont.size() != font.size()) {
2101                         os << '\\'
2102                            << font.latexSize()
2103                            << ' ';
2104                 }
2105                 os << "\\par}";
2106         } else if (textclasslist.Style(current_view->buffer()->params.textclass,
2107                                        GetLayout()).isCommand()){
2108                 if (style.resfont.size() != font.size()) {
2109                         os << '\\'
2110                            << font.latexSize()
2111                            << ' ';
2112                 }
2113                 os << '}';
2114         } else if (style.resfont.size() != font.size()){
2115                 os << "{\\" << font.latexSize() << " \\par}";
2116         }
2117
2118         if (language != doc_language) {
2119                 os << endl
2120                    << subst(lyxrc.language_command_end, "$$lang",
2121                             doc_language->lang);
2122         }
2123
2124         switch (style.latextype) {
2125         case LATEX_ITEM_ENVIRONMENT:
2126         case LATEX_LIST_ENVIRONMENT:
2127                 if (par && (depth < par->depth)) {
2128                         os << '\n';
2129                         texrow.newline();
2130                 }
2131                 break;
2132         case LATEX_ENVIRONMENT:
2133                 // if its the last paragraph of the current environment
2134                 // skip it otherwise fall through
2135                 if (par
2136                     && (par->layout != layout
2137                         || par->depth != depth
2138                         || par->pextra_type != pextra_type))
2139                         break;
2140         default:
2141                 // we don't need it for the last paragraph!!!
2142                 if (next && !(footnoteflag != LyXParagraph::NO_FOOTNOTE
2143                       && footnotekind != LyXParagraph::FOOTNOTE
2144                       && footnotekind != LyXParagraph::MARGIN
2145                       && (table
2146                           || (par
2147                               && par->table)))) {
2148                         // don't insert this if we would be adding it
2149                         // before or after a table in a float.  This
2150                         // little trick is needed in order to allow
2151                         // use of tables in \subfigures or \subtables.
2152                         os << '\n';
2153                         texrow.newline();
2154                 }
2155         }
2156
2157         further_blank_line = false;
2158         if (line_bottom) {
2159                 os << "\\lyxline{\\" << getFont(Last() - 1).latexSize() << '}';
2160                 further_blank_line = true;
2161         }
2162
2163         if (added_space_bottom.kind() != VSpace::NONE) {
2164                 os << added_space_bottom.asLatexCommand(current_view->buffer()->params);
2165                 further_blank_line = true;
2166         }
2167
2168         if (pagebreak_bottom) {
2169                 os << "\\newpage";
2170                 further_blank_line = true;
2171         }
2172
2173         if (further_blank_line){
2174                 os << '\n';
2175                 texrow.newline();
2176         }
2177
2178         if (!spacing.isDefault()
2179             && (!par || !par->HasSameLayout(this))) {
2180                 os << spacing.writeEnvirEnd() << "\n";
2181                 texrow.newline();
2182         }
2183
2184         // we don't need it for the last paragraph!!!
2185         if (next && !(footnoteflag != LyXParagraph::NO_FOOTNOTE && par &&
2186               par->footnoteflag == LyXParagraph::NO_FOOTNOTE)) {
2187                 os << '\n';
2188                 texrow.newline();
2189         }
2190
2191         lyxerr[Debug::LATEX] << "TeXOnePar...done " << par << endl;
2192         return par;
2193 }
2194
2195
2196 // This one spits out the text of the paragraph
2197 bool LyXParagraph::SimpleTeXOnePar(ostream & os, TexRow & texrow,
2198                                    bool moving_arg)
2199 {
2200         lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;
2201
2202         if (table)
2203                 return SimpleTeXOneTablePar(os, texrow);
2204
2205         bool return_value = false;
2206
2207         LyXLayout const & style =
2208                 textclasslist.Style(current_view->buffer()->params.textclass,
2209                                     GetLayout());
2210         LyXFont basefont, last_font;
2211
2212         // Maybe we have to create a optional argument.
2213         size_type main_body;
2214         if (style.labeltype != LABEL_MANUAL)
2215                 main_body = 0;
2216         else
2217                 main_body = BeginningOfMainBody();
2218
2219         if (main_body > 0) {
2220                 os << '[';
2221                 basefont = getFont(-2); // Get label font
2222         } else {
2223                 basefont = getFont(-1); // Get layout font
2224         }
2225
2226         int column = 0;
2227
2228         if (main_body >= 0
2229             && !text.size()
2230             && !IsDummy()) {
2231                 if (style.isCommand()) {
2232                         os << '{';
2233                         ++column;
2234                 } else if (align != LYX_ALIGN_LAYOUT) {
2235                         os << '{';
2236                         ++column;
2237                         return_value = true;
2238                 }
2239         }
2240
2241         moving_arg |= style.needprotect;
2242
2243         // Which font is currently active?
2244         LyXFont running_font(basefont);
2245         // Do we have an open font change?
2246         bool open_font = false;
2247
2248         texrow.start(this, 0);
2249
2250         for (size_type i = 0; i < size(); ++i) {
2251                 ++column;
2252                 // First char in paragraph or after label?
2253                 if (i == main_body && !IsDummy()) {
2254                         if (main_body > 0) {
2255                                 if (open_font) {
2256                                         column += running_font.latexWriteEndChanges(os, basefont, basefont);
2257                                         open_font = false;
2258                                 }
2259                                 basefont = getFont(-1); // Now use the layout font
2260                                 running_font = basefont;
2261                                 os << ']';
2262                                 ++column;
2263                         }
2264                         if (style.isCommand()) {
2265                                 os << '{';
2266                                 ++column;
2267                         } else if (align != LYX_ALIGN_LAYOUT) {
2268                                 os << "{\\par";
2269                                 column += 4;
2270                                 return_value = true;
2271                         }
2272
2273                         if (noindent) {
2274                                 os << "\\noindent ";
2275                                 column += 10;
2276                         }
2277                         switch (align) {
2278                         case LYX_ALIGN_NONE:
2279                         case LYX_ALIGN_BLOCK:
2280                         case LYX_ALIGN_LAYOUT:
2281                         case LYX_ALIGN_SPECIAL:
2282                                 break;
2283                         case LYX_ALIGN_LEFT:
2284                                 if (getParLanguage()->lang != "hebrew") {
2285                                         os << "\\raggedright ";
2286                                         column+= 13;
2287                                 } else {
2288                                         os << "\\raggedleft ";
2289                                         column+= 12;
2290                                 }
2291                                 break;
2292                         case LYX_ALIGN_RIGHT:
2293                                 if (getParLanguage()->lang != "hebrew") {
2294                                         os << "\\raggedleft ";
2295                                         column+= 12;
2296                                 } else {
2297                                         os << "\\raggedright ";
2298                                         column+= 13;
2299                                 }
2300                                 break;
2301                         case LYX_ALIGN_CENTER:
2302                                 os << "\\centering ";
2303                                 column+= 11;
2304                                 break;
2305                         }
2306                 }
2307
2308                 int c = GetChar(i);
2309
2310                 // Fully instantiated font
2311                 LyXFont font = getFont(i);
2312                 LyXParagraph * p = 0;
2313                 if (i == 0 && previous &&
2314                     previous->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
2315                     (p = PreviousBeforeFootnote()) != 0)
2316                         last_font = p->getFont(p->size()-1);
2317                 else
2318                         last_font = running_font;
2319
2320                 // Spaces at end of font change are simulated to be
2321                 // outside font change, i.e. we write "\textXX{text} "
2322                 // rather than "\textXX{text }". (Asger)
2323                 if (open_font && c == ' ' && i <= size() - 2
2324                     && !getFont(i+1).equalExceptLatex(running_font)
2325                     && !getFont(i+1).equalExceptLatex(font)) {
2326                         font = getFont(i + 1);
2327                 }
2328                 // We end font definition before blanks
2329                 if (!font.equalExceptLatex(running_font) && open_font) {
2330                         column += running_font.latexWriteEndChanges(os,
2331                                                                     basefont,
2332                                                                     (i == main_body-1) ? basefont : font);
2333                         running_font = basefont;
2334                         open_font = false;
2335                 }
2336
2337                 // Blanks are printed before start of fontswitch
2338                 if (c == ' '){
2339                         // Do not print the separation of the optional argument
2340                         if (i != main_body - 1) {
2341                                 SimpleTeXBlanks(os, texrow, i,
2342                                                 column, font, style);
2343                         }
2344                 }
2345
2346                 // Do we need to change font?
2347                 if (!font.equalExceptLatex(running_font)
2348                     && i != main_body-1) {
2349                         column += font.latexWriteStartChanges(os, basefont,
2350                                                               last_font);
2351                         running_font = font;
2352                         open_font = true;
2353                 }
2354
2355                 if (c == LyXParagraph::META_NEWLINE) {
2356                         // newlines are handled differently here than
2357                         // the default in SimpleTeXSpecialChars().
2358                         if (!style.newline_allowed
2359                             || font.latex() == LyXFont::ON) {
2360                                 os << '\n';
2361                         } else {
2362                                 if (open_font) {
2363                                         column += running_font.latexWriteEndChanges(os, basefont, basefont);
2364                                         open_font = false;
2365                                 }
2366                                 basefont = getFont(-1);
2367                                 running_font = basefont;
2368                                 if (font.family() ==
2369                                     LyXFont::TYPEWRITER_FAMILY) {
2370                                         os << "~";
2371                                 }
2372                                 if (moving_arg)
2373                                         os << "\\protect ";
2374                                 os << "\\\\\n";
2375                         }
2376                         texrow.newline();
2377                         texrow.start(this, i + 1);
2378                         column = 0;
2379                 } else {
2380                         SimpleTeXSpecialChars(os, texrow, moving_arg,
2381                                               font, running_font, basefont,
2382                                               open_font, style, i, column, c);
2383                 }
2384         }
2385
2386         // If we have an open font definition, we have to close it
2387         if (open_font) {
2388                 LyXParagraph * p = 0;
2389                 if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
2390                     && (p =  NextAfterFootnote()) != 0)
2391                         running_font.latexWriteEndChanges(os, basefont,
2392                                                           p->getFont(0));
2393                 else
2394                         running_font.latexWriteEndChanges(os, basefont, basefont);
2395         }
2396
2397         // Needed if there is an optional argument but no contents.
2398         if (main_body > 0 && main_body == size()) {
2399                 os << "]~";
2400                 return_value = false;
2401         }
2402
2403         lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
2404         return return_value;
2405 }
2406
2407
2408 // This one spits out the text of a table paragraph
2409 bool LyXParagraph::SimpleTeXOneTablePar(ostream & os, TexRow & texrow)
2410 {
2411         lyxerr[Debug::LATEX] << "SimpleTeXOneTablePar...     " << this << endl;
2412
2413         bool return_value = false;
2414
2415         LyXLayout const & style =
2416                 textclasslist.Style(current_view->buffer()->params.textclass,
2417                                     GetLayout());
2418
2419         int column = 0;
2420         if (!IsDummy()) { // it is dummy if it is in a float!!!
2421                 if (style.isCommand()) {
2422                         os << '{';
2423                         ++column;
2424                 } else if (align != LYX_ALIGN_LAYOUT) {
2425                         os << '{';
2426                         ++column;
2427                         return_value = true;
2428                 }
2429                 if (noindent) {
2430                         os << "\\noindent ";
2431                         column += 10;
2432                 }
2433                 switch (align) {
2434                 case LYX_ALIGN_NONE:
2435                 case LYX_ALIGN_BLOCK:
2436                 case LYX_ALIGN_LAYOUT:
2437                 case LYX_ALIGN_SPECIAL: break;
2438                 case LYX_ALIGN_LEFT:
2439                         os << "\\raggedright ";
2440                         column+= 13;
2441                         break;
2442                 case LYX_ALIGN_RIGHT:
2443                         os << "\\raggedleft ";
2444                         column+= 12;
2445                         break;
2446                 case LYX_ALIGN_CENTER:
2447                         os << "\\centering ";
2448                         column+= 11;
2449                         break;
2450                 }
2451         }
2452
2453         LyXFont basefont = getFont(-1); // Get layout font
2454         // Which font is currently active?
2455         LyXFont running_font = basefont;
2456         LyXFont last_font;
2457         // Do we have an open font change?
2458         bool open_font = false;
2459         int current_cell_number = -1;
2460         int tmp = table->TexEndOfCell(os, current_cell_number);
2461         for (; tmp > 0 ; --tmp)
2462                 texrow.newline();
2463
2464         texrow.start(this, 0);
2465
2466         bool is_rtl = getParLanguage()->RightToLeft;
2467         bool first_in_cell = true;
2468
2469         for (size_type i = 0; i < size(); ++i) {
2470                 char c = GetChar(i);
2471                 if (table->IsContRow(current_cell_number + 1)) {
2472                         if (c == LyXParagraph::META_NEWLINE)
2473                                 ++current_cell_number;
2474                         continue;
2475                 }
2476                 ++column;
2477
2478                 if (first_in_cell && is_rtl) {
2479                         os << "\\R{";
2480                         column += 3;
2481                         first_in_cell = false;
2482                 }
2483
2484                 // Fully instantiated font
2485                 LyXFont font = getFont(i);
2486                 last_font = running_font;
2487
2488                 // Spaces at end of font change are simulated to be
2489                 // outside font change.
2490                 // i.e. we write "\textXX{text} " rather than
2491                 // "\textXX{text }". (Asger)
2492                 if (open_font && c == ' ' && i <= size() - 2
2493                     && getFont(i + 1) != running_font
2494                     && getFont(i + 1) != font) {
2495                         font = getFont(i + 1);
2496                 }
2497
2498                 // We end font definition before blanks
2499                 if (font != running_font && open_font) {
2500                         column += running_font.latexWriteEndChanges(os,
2501                                                                     basefont,
2502                                                                     font);
2503                         running_font = basefont;
2504                         open_font = false;
2505                 }
2506                 // Blanks are printed before start of fontswitch
2507                 if (c == ' '){
2508                         SimpleTeXBlanks(os, texrow, i, column, font, style);
2509                 }
2510                 // Do we need to change font?
2511                 if (font != running_font) {
2512                         column += font.latexWriteStartChanges(os, basefont,
2513                                                               last_font);
2514                         running_font = font;
2515                         open_font = true;
2516                 }
2517                 // Do we need to turn on LaTeX mode?
2518                 if (font.latex() != running_font.latex()) {
2519                         if (font.latex() == LyXFont::ON
2520                             && style.needprotect) {
2521                                 os << "\\protect ";
2522                                 column += 9;
2523                         }
2524                 }
2525                 if (c == LyXParagraph::META_NEWLINE) {
2526                         // special case for inside a table
2527                         // different from default case in
2528                         // SimpleTeXSpecialChars()
2529                         if (open_font) {
2530                                 column += running_font
2531                                         .latexWriteEndChanges(os, basefont,
2532                                                               basefont);
2533                                 open_font = false;
2534                         }
2535                         basefont = getFont(-1);
2536                         running_font = basefont;
2537                         ++current_cell_number;
2538                         if (table->CellHasContRow(current_cell_number) >= 0) {
2539                                 TeXContTableRows(os, i + 1,
2540                                                  current_cell_number,
2541                                                  column, texrow);
2542                         }
2543                         if (is_rtl && !first_in_cell) {
2544                                 os << "}";
2545                                 first_in_cell = true;
2546                         }
2547
2548                         // if this cell follow only ContRows till end don't
2549                         // put the EndOfCell because it is put after the
2550                         // for(...)
2551                         if (table->ShouldBeVeryLastCell(current_cell_number)) {
2552                                 --current_cell_number;
2553                                 break;
2554                         }
2555                         int tmp = table->TexEndOfCell(os,
2556                                                       current_cell_number);
2557                         if (tmp > 0) {
2558                                 column = 0;
2559                         } else if (tmp < 0) {
2560                                 tmp = -tmp;
2561                         }
2562                         for (; tmp--;) {
2563                                 texrow.newline();
2564                         }
2565                         texrow.start(this, i + 1);
2566                 } else {
2567                         SimpleTeXSpecialChars(os, texrow, false,
2568                                               font, running_font, basefont,
2569                                               open_font, style, i, column, c);
2570                 }
2571         }
2572
2573         // If we have an open font definition, we have to close it
2574         if (open_font) {
2575                 running_font.latexWriteEndChanges(os, basefont, basefont);
2576         }
2577         ++current_cell_number;
2578         if (is_rtl && !first_in_cell)
2579                 os << "}";
2580         tmp = table->TexEndOfCell(os, current_cell_number);
2581         for (; tmp > 0; --tmp)
2582                 texrow.newline();
2583         lyxerr[Debug::LATEX] << "SimpleTeXOneTablePar...done " << this << endl;
2584         return return_value;
2585 }
2586
2587
2588 // This one spits out the text off ContRows in tables
2589 bool LyXParagraph::TeXContTableRows(ostream & os,
2590                                     LyXParagraph::size_type i,
2591                                     int current_cell_number,
2592                                     int & column, TexRow & texrow)
2593 {
2594         lyxerr[Debug::LATEX] << "TeXContTableRows...     " << this << endl;
2595         if (!table)
2596                 return false;
2597
2598         char c;
2599
2600         bool return_value = false;
2601         LyXLayout const & style =
2602                 textclasslist.Style(current_view->buffer()->params.textclass,
2603                                     GetLayout());
2604         LyXFont basefont = getFont(-1); // Get layout font
2605         LyXFont last_font;
2606         // Which font is currently active?
2607         LyXFont running_font = basefont;
2608         // Do we have an open font change?
2609         bool open_font = false;
2610
2611         size_type lastpos = i;
2612         int cell = table->CellHasContRow(current_cell_number);
2613         ++current_cell_number;
2614         while(cell >= 0) {
2615                 // first find the right position
2616                 i = lastpos;
2617                 for (; (i < size()) && (current_cell_number<cell); ++i) {
2618                         c = GetChar(i);
2619                         if (c == LyXParagraph::META_NEWLINE)
2620                                 ++current_cell_number;
2621                 }
2622                 lastpos = i;
2623                 c = GetChar(i);
2624                 if (table->Linebreaks(table->FirstVirtualCell(cell))) {
2625                         os << " \\\\\n";
2626                         texrow.newline();
2627                         column = 0;
2628                 } else if ((c != ' ') && (c != LyXParagraph::META_NEWLINE)) {
2629                         os << ' ';
2630                 }
2631
2632                 for (; i < size()
2633                              && (c = GetChar(i)) != LyXParagraph::META_NEWLINE;
2634                      ++i) {
2635                         ++column;
2636
2637                         // Fully instantiated font
2638                         LyXFont font = getFont(i);
2639                         last_font = running_font;
2640
2641                         // Spaces at end of font change are simulated to
2642                         // be outside font change. i.e. we write
2643                         // "\textXX{text} " rather than "\textXX{text }".
2644                         // (Asger)
2645                         if (open_font && c == ' ' && i <= size() - 2
2646                             && getFont(i + 1) != running_font
2647                             && getFont(i + 1) != font) {
2648                                 font = getFont(i + 1);
2649                         }
2650
2651                         // We end font definition before blanks
2652                         if (font != running_font && open_font) {
2653                                 column += running_font.latexWriteEndChanges(os, basefont, font);
2654                                 running_font = basefont;
2655                                 open_font = false;
2656                         }
2657                         // Blanks are printed before start of fontswitch
2658                         if (c == ' '){
2659                                 SimpleTeXBlanks(os, texrow, i,
2660                                                 column, font, style);
2661                         }
2662                         // Do we need to change font?
2663                         if (font != running_font) {
2664                                 column +=
2665                                         font.latexWriteStartChanges(os,
2666                                                                     basefont,
2667                                                                     last_font);
2668                                 running_font = font;
2669                                 open_font = true;
2670                         }
2671                         // Do we need to turn on LaTeX mode?
2672                         if (font.latex() != running_font.latex()) {
2673                                 if (font.latex() == LyXFont::ON
2674                                     && style.needprotect) {
2675                                         os << "\\protect ";
2676                                         column += 9;
2677                                 }
2678                         }
2679                         SimpleTeXSpecialChars(os, texrow, false, font,
2680                                               running_font, basefont,
2681                                               open_font, style, i, column, c);
2682                 }
2683                 // If we have an open font definition, we have to close it
2684                 if (open_font) {
2685                         running_font.latexWriteEndChanges(os, basefont,
2686                                                           basefont);
2687                         open_font = false;
2688                 }
2689                 basefont = getFont(-1);
2690                 running_font = basefont;
2691                 cell = table->CellHasContRow(current_cell_number);
2692         }
2693         lyxerr[Debug::LATEX] << "TeXContTableRows...done " << this << endl;
2694         return return_value;
2695 }
2696
2697
2698 bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
2699 {
2700         bool retval = false;
2701         switch (c) {
2702         case LyXParagraph::META_HFILL:
2703                 sgml_string.erase();
2704                 break;
2705         case LyXParagraph::META_NEWLINE:
2706                 sgml_string = '\n';
2707                 break;
2708         case '&':
2709                 sgml_string = "&amp;";
2710                 break;
2711         case '<':
2712                 sgml_string = "&lt;";
2713                 break;
2714         case '>':
2715                 sgml_string = "&gt;";
2716                 break;
2717         case '$':
2718                 sgml_string = "&dollar;";
2719                 break;
2720         case '#':
2721                 sgml_string = "&num;";
2722                 break;
2723         case '%':
2724                 sgml_string = "&percnt;";
2725                 break;
2726         case '[':
2727                 sgml_string = "&lsqb;";
2728                 break;
2729         case ']':
2730                 sgml_string = "&rsqb;";
2731                 break;
2732         case '{':
2733                 sgml_string = "&lcub;";
2734                 break;
2735         case '}':
2736                 sgml_string = "&rcub;";
2737                 break;
2738         case '~':
2739                 sgml_string = "&tilde;";
2740                 break;
2741         case '"':
2742                 sgml_string = "&quot;";
2743                 break;
2744         case '\\':
2745                 sgml_string = "&bsol;";
2746                 break;
2747         case ' ':
2748                 retval = true;
2749                 sgml_string = ' ';
2750                 break;
2751         case '\0': // Ignore :-)
2752                 sgml_string.erase();
2753                 break;
2754         default:
2755                 sgml_string = c;
2756                 break;
2757         }
2758         return retval;
2759 }
2760
2761
2762 void LyXParagraph::SimpleDocBookOneTablePar(ostream & os, string & extra,
2763                                             int & desc_on, int depth)
2764 {
2765         if (!table) return;
2766         lyxerr[Debug::LATEX] << "SimpleDocbookOneTablePar... " << this << endl;
2767         int column = 0;
2768         LyXFont font1, font2;
2769         char c;
2770         Inset * inset;
2771         size_type main_body;
2772         bool emph_flag = false;
2773
2774         LyXLayout const & style =
2775                 textclasslist.Style(current_view->buffer()->params.textclass,
2776                                     GetLayout());
2777
2778         if (style.labeltype != LABEL_MANUAL)
2779                 main_body = 0;
2780         else
2781                 main_body = BeginningOfMainBody();
2782
2783         // Gets paragraph main font.
2784         if (main_body > 0)
2785                 font1 = style.labelfont;
2786         else
2787                 font1 = style.font;
2788
2789         int char_line_count = depth;
2790         os << newlineAndDepth(depth);
2791         if (footnoteflag == LyXParagraph::NO_FOOTNOTE) {
2792                 os << "<INFORMALTABLE>"
2793                    << newlineAndDepth(++depth);
2794         }
2795         int current_cell_number = -1;
2796         int tmp = table->DocBookEndOfCell(os, current_cell_number, depth);
2797
2798         // Parsing main loop.
2799         for (size_type i = 0; i < size(); ++i) {
2800                 c = GetChar(i);
2801                 if (table->IsContRow(current_cell_number+1)) {
2802                         if (c == LyXParagraph::META_NEWLINE)
2803                                 ++current_cell_number;
2804                         continue;
2805                 }
2806                 ++column;
2807
2808                 // Fully instantiated font
2809                 font2 = getFont(i);
2810
2811                 // Handle <emphasis> tag.
2812                 if (font1.emph() != font2.emph() && i) {
2813                         if (font2.emph() == LyXFont::ON) {
2814                                 os << "<emphasis>";
2815                                 emph_flag= true;
2816                         } else if (emph_flag) {
2817                                 os << "</emphasis>";
2818                                 emph_flag= false;
2819                         }
2820                 }
2821                 if (c == LyXParagraph::META_NEWLINE) {
2822                         // We have only to control for emphasis open here!
2823                         if (emph_flag) {
2824                                 os << "</emphasis>";
2825                                 emph_flag= false;
2826                         }
2827                         font1 = font2 = getFont(-1);
2828                         ++current_cell_number;
2829                         if (table->CellHasContRow(current_cell_number) >= 0) {
2830                                 DocBookContTableRows(os, extra, desc_on, i + 1,
2831                                                      current_cell_number,
2832                                                      column);
2833                         }
2834                         // if this cell follow only ContRows till end don't
2835                         // put the EndOfCell because it is put after the
2836                         // for(...)
2837                         if (table->ShouldBeVeryLastCell(current_cell_number)) {
2838                                 --current_cell_number;
2839                                 break;
2840                         }
2841                         tmp = table->DocBookEndOfCell(os,
2842                                                       current_cell_number,
2843                                                       depth);
2844
2845                         if (tmp > 0)
2846                                 column = 0;
2847                 } else if (c == LyXParagraph::META_INSET) {
2848                         inset = GetInset(i);
2849 #ifdef HAVE_SSTREAM
2850                         std::ostringstream ost;
2851                         inset->DocBook(ost);
2852                         string tmp_out = ost.str().c_str();
2853 #else
2854                         ostrstream ost;
2855                         inset->DocBook(ost);
2856                         ost << '\0';
2857                         char * ctmp = ost.str();
2858                         string tmp_out(ctmp);
2859                         delete [] ctmp;
2860 #endif
2861                         //
2862                         // This code needs some explanation:
2863                         // Two insets are treated specially
2864                         //   label if it is the first element in a
2865                         //   command paragraph
2866                         //         desc_on == 3
2867                         //   graphics inside tables or figure floats
2868                         //   can't go on
2869                         //   title (the equivalente in latex for this
2870                         //   case is caption
2871                         //   and title should come first
2872                         //         desc_on == 4
2873                         //
2874                         if(desc_on != 3 || i != 0) {
2875                                 if(tmp_out[0] == '@') {
2876                                         if(desc_on == 4)
2877                                                 extra += frontStrip(tmp_out,
2878                                                                     '@');
2879                                         else
2880                                                 os << frontStrip(tmp_out,
2881                                                                  '@');
2882                                 } else
2883                                         os << tmp_out;
2884                         }
2885                 } else if (font2.latex() == LyXFont::ON) {
2886                         // "TeX"-Mode on == > SGML-Mode on.
2887                         if (c != '\0')
2888                                 os << c;
2889                         ++char_line_count;
2890                 } else {
2891                         string sgml_string;
2892                         if (linuxDocConvertChar(c, sgml_string)
2893                             && !style.free_spacing) {
2894                                 // in freespacing mode, spaces are
2895                                 // non-breaking characters
2896                                 // char is ' '
2897                                 if (desc_on == 1) {
2898                                         ++char_line_count;
2899                                         os << '\n'
2900                                            << "</term><listitem><para>";
2901                                         desc_on = 2;
2902                                 } else  {
2903                                         os << c;
2904                                 }
2905                         } else {
2906                                 os << sgml_string;
2907                         }
2908                 }
2909                 font1 = font2;
2910         }
2911
2912         // Needed if there is an optional argument but no contents.
2913         if (main_body > 0 && main_body == size()) {
2914                 font1 = style.font;
2915         }
2916
2917         if (emph_flag) {
2918                 os << "</emphasis>";
2919         }
2920
2921         ++current_cell_number;
2922         tmp = table->DocBookEndOfCell(os, current_cell_number, depth);
2923         // Resets description flag correctly.
2924         switch(desc_on){
2925         case 1:
2926                 // <term> not closed...
2927                 os << "</term>";
2928                 break;
2929         }
2930         if (footnoteflag == LyXParagraph::NO_FOOTNOTE)
2931                 os << "</INFORMALTABLE>";
2932         os << '\n';
2933         lyxerr[Debug::LATEX] << "SimpleDocbookOneTablePar...done "
2934                              << this << endl;
2935 }
2936
2937
2938 void LyXParagraph::DocBookContTableRows(ostream & os, string & extra,
2939                                         int & desc_on,
2940                                         LyXParagraph::size_type i,
2941                                         int current_cell_number, int &column)
2942
2943 {
2944         if (!table) return;
2945
2946         lyxerr[Debug::LATEX] << "DocBookContTableRows... " << this << endl;
2947
2948         LyXFont font2;
2949         char c;
2950         Inset * inset;
2951         //string emph = "emphasis";
2952         bool emph_flag = false;
2953         int char_line_count = 0;
2954
2955         LyXLayout const & style =
2956                 textclasslist.Style(current_view->buffer()->params.textclass,
2957                                     GetLayout());
2958
2959         size_type main_body;
2960         if (style.labeltype != LABEL_MANUAL)
2961                 main_body = 0;
2962         else
2963                 main_body = BeginningOfMainBody();
2964
2965         // Gets paragraph main font.
2966         LyXFont font1;
2967         if (main_body > 0)
2968                 font1 = style.labelfont;
2969         else
2970                 font1 = style.font;
2971
2972         size_type lastpos = i;
2973         int cell = table->CellHasContRow(current_cell_number);
2974         ++current_cell_number;
2975         while(cell >= 0) {
2976                 // first find the right position
2977                 i = lastpos;
2978                 for (; i < size() && current_cell_number < cell; ++i) {
2979                         c = GetChar(i);
2980                         if (c == LyXParagraph::META_NEWLINE)
2981                                 ++current_cell_number;
2982                 }
2983                 lastpos = i;
2984                 c = GetChar(i);
2985                 // I don't know how to handle this so I comment it
2986                 // for the moment (Jug)
2987 //             if (table->Linebreaks(table->FirstVirtualCell(cell))) {
2988 //                     file += " \\\\\n";
2989 //                     column = 0;
2990 //             } else
2991                 if ((c != ' ') && (c != LyXParagraph::META_NEWLINE)) {
2992                         os << ' ';
2993                 }
2994
2995                 for (; i < size()
2996                              && (c = GetChar(i)) != LyXParagraph::META_NEWLINE;
2997                      ++i) {
2998                         ++column;
2999
3000                         // Fully instantiated font
3001                         font2 = getFont(i);
3002
3003                         // Handle <emphasis> tag.
3004                         if (font1.emph() != font2.emph() && i) {
3005                                 if (font2.emph() == LyXFont::ON) {
3006                                         os << "<emphasis>";
3007                                         emph_flag= true;
3008                                 } else if (emph_flag) {
3009                                         os << "</emphasis>";
3010                                         emph_flag= false;
3011                                 }
3012                         }
3013                         if (c == LyXParagraph::META_INSET) {
3014                                 inset = GetInset(i);
3015 #ifdef HAVE_SSTREAM
3016                                 std::ostringstream ost;
3017                                 inset->DocBook(ost);
3018                                 string tmp_out = ost.str().c_str();
3019 #else
3020                                 ostrstream ost;
3021                                 inset->DocBook(ost);
3022                                 ost << '\0';
3023                                 char * ctmp = ost.str();
3024                                 string tmp_out(ctmp);
3025                                 delete [] ctmp;
3026 #endif
3027                                 //
3028                                 // This code needs some explanation:
3029                                 // Two insets are treated specially
3030                                 //   label if it is the first element in a
3031                                 //   command paragraph
3032                                 //       desc_on == 3
3033                                 //   graphics inside tables or figure floats
3034                                 //   can't go on title (the equivalente in
3035                                 //   latex for this case is caption and title
3036                                 //   should come first
3037                                 //       desc_on == 4
3038                                 //
3039                                 if(desc_on != 3 || i != 0) {
3040                                         if(tmp_out[0] == '@') {
3041                                                 if(desc_on == 4)
3042                                                         extra += frontStrip(tmp_out, '@');
3043                                                 else
3044                                                         os << frontStrip(tmp_out, '@');
3045                                         } else
3046                                                 os << tmp_out;
3047                                 }
3048                         } else if (font2.latex() == LyXFont::ON) {
3049                                 // "TeX"-Mode on == > SGML-Mode on.
3050                                 if (c!= '\0')
3051                                         os << c;
3052                                 ++char_line_count;
3053                         } else {
3054                                 string sgml_string;
3055                                 if (linuxDocConvertChar(c, sgml_string)
3056                                     && !style.free_spacing) {
3057                                         // in freespacing mode, spaces are
3058                                         // non-breaking characters
3059                                         // char is ' '
3060                                         if (desc_on == 1) {
3061                                                 ++char_line_count;
3062                                                 os << '\n'
3063                                                    << "</term><listitem><para>";
3064                                                 desc_on = 2;
3065                                         } else  {
3066                                                 os << c;
3067                                         }
3068                                 } else {
3069                                         os << sgml_string;
3070                                 }
3071                         }
3072                 }
3073                 // we have only to control for emphasis open here!
3074                 if (emph_flag) {
3075                         os << "</emphasis>";
3076                         emph_flag= false;
3077                 }
3078                 font1 = font2 = getFont(-1);
3079                 cell = table->CellHasContRow(current_cell_number);
3080         }
3081         lyxerr[Debug::LATEX] << "DocBookContTableRows...done " << this << endl;
3082 }
3083
3084
3085 void LyXParagraph::SimpleTeXBlanks(ostream & os, TexRow & texrow,
3086                                    LyXParagraph::size_type const i,
3087                                    int & column, LyXFont const & font,
3088                                    LyXLayout const & style)
3089 {
3090         if (column > tex_code_break_column
3091             && i
3092             && GetChar(i - 1) != ' '
3093             && (i < size() - 1)
3094             // In LaTeX mode, we don't want to
3095             // break lines since some commands
3096             // do not like this
3097             && ! (font.latex() == LyXFont::ON)
3098             // same in FreeSpacing mode
3099             && !style.free_spacing
3100             // In typewriter mode, we want to avoid
3101             // ! . ? : at the end of a line
3102             && !(font.family() == LyXFont::TYPEWRITER_FAMILY
3103                  && (GetChar(i-1) == '.'
3104                      || GetChar(i-1) == '?'
3105                      || GetChar(i-1) == ':'
3106                      || GetChar(i-1) == '!'))) {
3107                 if (tex_code_break_column == 0) {
3108                         // in batchmode we need LaTeX to still
3109                         // see it as a space not as an extra '\n'
3110                         os << " %\n";
3111                 } else {
3112                         os << '\n';
3113                 }
3114                 texrow.newline();
3115                 texrow.start(this, i + 1);
3116                 column = 0;
3117         } else if (font.latex() == LyXFont::OFF) {
3118                 if (style.free_spacing) {
3119                         os << '~';
3120                 } else {
3121                         os << ' ';
3122                 }
3123         }
3124 }
3125
3126
3127 void LyXParagraph::SimpleTeXSpecialChars(ostream & os, TexRow & texrow,
3128                                          bool moving_arg,
3129                                          LyXFont & font,
3130                                          LyXFont & running_font,
3131                                          LyXFont & basefont,
3132                                          bool & open_font,
3133                                          LyXLayout const & style,
3134                                          LyXParagraph::size_type & i,
3135                                          int & column, char const c)
3136 {
3137         // Two major modes:  LaTeX or plain
3138         // Handle here those cases common to both modes
3139         // and then split to handle the two modes separately.
3140         switch (c) {
3141         case LyXParagraph::META_INSET: {
3142                 Inset * inset = GetInset(i);
3143                 if (inset) {
3144                         bool close = false;
3145                         int len = os.tellp();
3146                         if ((inset->LyxCode() == Inset::GRAPHICS_CODE
3147                              || inset->LyxCode() == Inset::MATH_CODE
3148                              || inset->LyxCode() == Inset::URL_CODE)
3149                             && running_font.isRightToLeft()) {
3150                                 os << "\\L{";
3151                                 close = true;
3152                         }
3153
3154                         int tmp = inset->Latex(os, moving_arg,
3155                                                style.free_spacing);
3156
3157                         if (close)
3158                                 os << "}";
3159
3160                         if (tmp) {
3161                                 column = 0;
3162                         } else {
3163                                 column += os.tellp() - len;
3164                         }
3165                         for (; tmp--;) {
3166                                 texrow.newline();
3167                         }
3168                 }
3169         }
3170         break;
3171
3172         case LyXParagraph::META_NEWLINE:
3173                 if (open_font) {
3174                         column += running_font.latexWriteEndChanges(os,
3175                                                                     basefont,
3176                                                                     basefont);
3177                         open_font = false;
3178                 }
3179                 basefont = getFont(-1);
3180                 running_font = basefont;
3181                 break;
3182
3183         case LyXParagraph::META_HFILL:
3184                 os << "\\hfill{}";
3185                 column += 7;
3186                 break;
3187
3188         default:
3189                 // And now for the special cases within each mode
3190                 // Are we in LaTeX mode?
3191                 if (font.latex() == LyXFont::ON) {
3192                         // at present we only have one option
3193                         // but I'll leave it as a switch statement
3194                         // so its simpler to extend. (ARRae)
3195                         switch (c) {
3196                         default:
3197                                 // make sure that we will not print
3198                                 // error generating chars to the tex
3199                                 // file. This test would not be needed
3200                                 // if it were done in the buffer
3201                                 // itself.
3202                                 if (c != '\0') {
3203                                         os << c;
3204                                 }
3205                                 break;
3206                         }
3207                 } else {
3208                         // Plain mode (i.e. not LaTeX)
3209                         switch (c) {
3210                         case '\\':
3211                                 os << "\\textbackslash{}";
3212                                 column += 15;
3213                                 break;
3214
3215                         case '°': case '±': case '²': case '³':
3216                         case '×': case '÷': case '¹': case 'ª':
3217                         case 'º': case '¬': case 'µ':
3218                                 if (current_view->buffer()->params.inputenc == "latin1") {
3219                                         os << "\\ensuremath{"
3220                                            << c
3221                                            << '}';
3222                                         column += 13;
3223                                 } else {
3224                                         os << c;
3225                                 }
3226                                 break;
3227
3228                         case '|': case '<': case '>':
3229                                 // In T1 encoding, these characters exist
3230                                 if (lyxrc.fontenc == "T1") {
3231                                         os << c;
3232                                         //... but we should avoid ligatures
3233                                         if ((c == '>' || c == '<')
3234                                             && i <= size() - 2
3235                                             && GetChar(i + 1) == c){
3236                                                 os << "\\textcompwordmark{}";
3237                                                 column += 19;
3238                                         }
3239                                         break;
3240                                 }
3241                                 // Typewriter font also has them
3242                                 if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
3243                                         os << c;
3244                                         break;
3245                                 }
3246                                 // Otherwise, we use what LaTeX
3247                                 // provides us.
3248                                 switch(c) {
3249                                 case '<':
3250                                         os << "\\textless{}";
3251                                         column += 10;
3252                                         break;
3253                                 case '>':
3254                                         os << "\\textgreater{}";
3255                                         column += 13;
3256                                         break;
3257                                 case '|':
3258                                         os << "\\textbar{}";
3259                                         column += 9;
3260                                         break;
3261                                 }
3262                                 break;
3263
3264                         case '-': // "--" in Typewriter mode -> "-{}-"
3265                                 if (i <= size() - 2
3266                                     && GetChar(i + 1) == '-'
3267                                     && font.family() == LyXFont::TYPEWRITER_FAMILY) {
3268                                         os << "-{}";
3269                                         column += 2;
3270                                 } else {
3271                                         os << '-';
3272                                 }
3273                                 break;
3274
3275                         case '\"':
3276                                 os << "\\char`\\\"{}";
3277                                 column += 9;
3278                                 break;
3279
3280                         case '£':
3281                                 if (current_view->buffer()->params.inputenc == "default") {
3282                                         os << "\\pounds{}";
3283                                         column += 8;
3284                                 } else {
3285                                         os << c;
3286                                 }
3287                                 break;
3288
3289                         case '$': case '&':
3290                         case '%': case '#': case '{':
3291                         case '}': case '_':
3292                                 os << '\\' << c;
3293                                 column += 1;
3294                                 break;
3295
3296                         case '~':
3297                                 os << "\\textasciitilde{}";
3298                                 column += 16;
3299                                 break;
3300
3301                         case '^':
3302                                 os << "\\textasciicircum{}";
3303                                 column += 17;
3304                                 break;
3305
3306                         case '*': case '[': case ']':
3307                                 // avoid being mistaken for optional arguments
3308                                 os << '{' << c << '}';
3309                                 column += 2;
3310                                 break;
3311
3312                         case ' ':
3313                                 // Blanks are printed before font switching.
3314                                 // Sure? I am not! (try nice-latex)
3315                                 // I am sure it's correct. LyX might be smarter
3316                                 // in the future, but for now, nothing wrong is
3317                                 // written. (Asger)
3318                                 break;
3319
3320                         default:
3321                                 /* idea for labels --- begin*/
3322                                 // Check for "LyX"
3323                                 if (c ==  'L'
3324                                     && i <= size() - 3
3325                                     && font.family() != LyXFont::TYPEWRITER_FAMILY
3326                                     && GetChar(i + 1) == 'y'
3327                                     && GetChar(i + 2) == 'X') {
3328                                         os << "\\LyX{}";
3329                                         i += 2;
3330                                         column += 5;
3331                                 }
3332                                 // Check for "TeX"
3333                                 else if (c == 'T'
3334                                          && i <= size() - 3
3335                                          && font.family() != LyXFont::TYPEWRITER_FAMILY
3336                                          && GetChar(i + 1) == 'e'
3337                                          && GetChar(i + 2) == 'X') {
3338                                         os << "\\TeX{}";
3339                                         i += 2;
3340                                         column += 5;
3341                                 }
3342                                 // Check for "LaTeX2e"
3343                                 else if (c == 'L'
3344                                          && i <= size() - 7
3345                                          && font.family() != LyXFont::TYPEWRITER_FAMILY
3346                                          && GetChar(i + 1) == 'a'
3347                                          && GetChar(i + 2) == 'T'
3348                                          && GetChar(i + 3) == 'e'
3349                                          && GetChar(i + 4) == 'X'
3350                                          && GetChar(i + 5) == '2'
3351                                          && GetChar(i + 6) == 'e') {
3352                                         os << "\\LaTeXe{}";
3353                                         i += 6;
3354                                         column += 8;
3355                                 }
3356                                 // Check for "LaTeX"
3357                                 else if (c == 'L'
3358                                          && i <= size() - 5
3359                                          && font.family() != LyXFont::TYPEWRITER_FAMILY
3360                                          && GetChar(i + 1) == 'a'
3361                                          && GetChar(i + 2) == 'T'
3362                                          && GetChar(i + 3) == 'e'
3363                                          && GetChar(i + 4) == 'X') {
3364                                         os << "\\LaTeX{}";
3365                                         i += 4;
3366                                         column += 7;
3367                                         /* idea for labels --- end*/
3368                                 } else if (c != '\0') {
3369                                         os << c;
3370                                 }
3371                                 break;
3372                         }
3373                 }
3374         }
3375 }
3376
3377
3378 #if 0
3379 bool LyXParagraph::RoffContTableRows(ostream & os,
3380                                      LyXParagraph::size_type i,
3381                                      int actcell)
3382 {
3383         if (!table)
3384                 return false;
3385
3386         LyXFont font1(LyXFont::ALL_INHERIT);
3387         LyXFont font2;
3388         Inset * inset;
3389         char c;
3390
3391         string fname2 = TmpFileName(string(), "RAT2");
3392         int lastpos = i;
3393         int cell = table->CellHasContRow(actcell);
3394         ++actcell;
3395         while(cell >= 0) {
3396                 // first find the right position
3397                 i = lastpos;
3398                 for (; i < size() && actcell < cell; ++i) {
3399                         c = GetChar(i);
3400                         if (c == LyXParagraph::META_NEWLINE)
3401                                 ++actcell;
3402                 }
3403                 lastpos = i;
3404                 c = GetChar(i);
3405                 if ((c != ' ') && (c != LyXParagraph::META_NEWLINE))
3406                         os << " ";
3407                 for (; i < size()
3408                              && (c = GetChar(i)) != LyXParagraph::META_NEWLINE;
3409                      ++i) {
3410                         font2 = GetFontSettings(i);
3411                         if (font1.latex() != font2.latex()) {
3412                                 if (font2.latex() != LyXFont::OFF)
3413                                         continue;
3414                         }
3415                         c = GetChar(i);
3416                         switch (c) {
3417                         case LyXParagraph::META_INSET:
3418                                 if ((inset = GetInset(i))) {
3419 #ifdef HAVE_SSTREAM
3420                                         stringstream ss(ios::in | ios::out);
3421                                         inset->Ascii(ss);
3422                                         ss.seekp(0);
3423                                         ss.get(c);
3424                                         while (!ss) {
3425                                                 if (c == '\\')
3426                                                         os << "\\\\";
3427                                                 else
3428                                                         os << c;
3429                                                 ss.get(c);
3430                                         }
3431 #else
3432                                         strstream ss;
3433                                         inset->Ascii(ss);
3434                                         ss.seekp(0);
3435                                         ss.get(c);
3436                                         while (!ss) {
3437                                                 if (c == '\\')
3438                                                         os << "\\\\";
3439                                                 else
3440                                                         os << c;
3441                                                 ss.get(c);
3442                                         }
3443                                         delete [] ss.str();
3444 #endif
3445                                 }
3446                                 break;
3447                         case LyXParagraph::META_NEWLINE:
3448                                 break;
3449                         case LyXParagraph::META_HFILL:
3450                                 break;
3451                         case '\\':
3452                                 os << "\\\\";
3453                                 break;
3454                         default:
3455                                 if (c != '\0')
3456                                         os << c;
3457                                 else
3458                                         lyxerr.debug() << "RoffAsciiTable: "
3459                                                 "NULL char in structure."
3460                                                        << endl;
3461                                 break;
3462                         }
3463                 }
3464                 cell = table->CellHasContRow(actcell);
3465         }
3466         return true;
3467 }
3468 #endif
3469
3470
3471 LyXParagraph * LyXParagraph::TeXDeeper(ostream & os, TexRow & texrow,
3472                                        ostream & foot,
3473                                        TexRow & foot_texrow,
3474                                        int & foot_count)
3475 {
3476         lyxerr[Debug::LATEX] << "TeXDeeper...     " << this << endl;
3477         LyXParagraph * par = this;
3478
3479         while (par &&
3480                (par->depth == depth) &&
3481                (par->footnoteflag == footnoteflag)) {
3482                 if (par->IsDummy())
3483                         lyxerr << "ERROR (LyXParagraph::TeXDeeper)" << endl;
3484                 if (textclasslist.Style(current_view->buffer()->params.textclass,
3485                                         par->layout).isEnvironment()
3486                     || par->pextra_type != PEXTRA_NONE) {
3487                         par = par->TeXEnvironment(os, texrow,
3488                                                   foot, foot_texrow,
3489                                                   foot_count);
3490                 } else {
3491                         par = par->TeXOnePar(os, texrow, false,
3492                                              foot, foot_texrow,
3493                                              foot_count);
3494                 }
3495         }
3496         lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;
3497
3498         return par;
3499 }
3500
3501
3502 LyXParagraph * LyXParagraph::TeXEnvironment(ostream & os, TexRow & texrow,
3503                                             ostream & foot,
3504                                             TexRow & foot_texrow,
3505                                             int & foot_count)
3506 {
3507         bool eindent_open = false;
3508         bool foot_this_level = false;
3509         // flags when footnotetext should be appended to file.
3510         static bool minipage_open = false;
3511         static int minipage_open_depth = 0;
3512         char par_sep = current_view->buffer()->params.paragraph_separation;
3513
3514         lyxerr[Debug::LATEX] << "TeXEnvironment...     " << this << endl;
3515         if (IsDummy())
3516                 lyxerr << "ERROR (LyXParagraph::TeXEnvironment)" << endl;
3517
3518         LyXLayout const & style =
3519                 textclasslist.Style(current_view->buffer()->params.textclass,
3520                                     layout);
3521
3522         if (pextra_type == PEXTRA_INDENT) {
3523                 if (!pextra_width.empty()) {
3524                         os << "\\begin{LyXParagraphIndent}{"
3525                            << pextra_width << "}\n";
3526                 } else {
3527                         //float ib = atof(pextra_widthp.c_str())/100;
3528                         // string can't handle floats at present (971109)
3529                         // so I'll do a conversion by hand knowing that
3530                         // the limits are 0.0 to 1.0. ARRae.
3531                         os << "\\begin{LyXParagraphIndent}{";
3532                         switch (pextra_widthp.length()) {
3533                         case 3:
3534                                 os << "1.00";
3535                                 break;
3536                         case 2:
3537                                 os << "0."
3538                                    << pextra_widthp;
3539                                 break;
3540                         case 1:
3541                                 os << "0.0"
3542                                    << pextra_widthp;
3543                         }
3544                         os << "\\columnwidth}\n";
3545                 }
3546                 texrow.newline();
3547                 eindent_open = true;
3548         }
3549         if ((pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
3550                 if (pextra_hfill && Previous() &&
3551                     (Previous()->pextra_type == PEXTRA_MINIPAGE)) {
3552                         os << "\\hfill{}\n";
3553                         texrow.newline();
3554                 }
3555                 if (par_sep == BufferParams::PARSEP_INDENT) {
3556                         os << "{\\setlength\\parindent{0pt}\n";
3557                         texrow.newline();
3558                 }
3559                 os << "\\begin{minipage}";
3560                 switch(pextra_alignment) {
3561                 case MINIPAGE_ALIGN_TOP:
3562                         os << "[t]";
3563                         break;
3564                 case MINIPAGE_ALIGN_MIDDLE:
3565                         os << "[m]";
3566                         break;
3567                 case MINIPAGE_ALIGN_BOTTOM:
3568                         os << "[b]";
3569                         break;
3570                 }
3571                 if (!pextra_width.empty()) {
3572                         os << '{' << pextra_width << "}\n";
3573                 } else {
3574                         //float ib = atof(par->pextra_width.c_str())/100;
3575                         // string can't handle floats at present
3576                         // so I'll do a conversion by hand knowing that
3577                         // the limits are 0.0 to 1.0. ARRae.
3578                         os << '{';
3579                         switch (pextra_widthp.length()) {
3580                         case 3:
3581                                 os << "1.00";
3582                                 break;
3583                         case 2:
3584                                 os << "0."
3585                                    << pextra_widthp;
3586                                 break;
3587                         case 1:
3588                                 os << "0.0"
3589                                    << pextra_widthp;
3590                         }
3591                         os << "\\columnwidth}\n";
3592                 }
3593                 texrow.newline();
3594                 if (par_sep == BufferParams::PARSEP_INDENT) {
3595                         os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
3596                         texrow.newline();
3597                 }
3598                 minipage_open = true;
3599                 minipage_open_depth = depth;
3600         }
3601
3602 #ifdef WITH_WARNINGS
3603 #warning Define FANCY_FOOTNOTE_CODE to re-enable Allan footnote code
3604         //I disabled it because it breaks when lists span on several
3605         //pages (JMarc)
3606 #endif
3607         if (style.isEnvironment()){
3608                 if (style.latextype == LATEX_LIST_ENVIRONMENT) {
3609 #ifdef FANCY_FOOTNOTE_CODE
3610                         if (foot_count < 0) {
3611                                 // flag that footnote[mark][text] should be
3612                                 // used for any footnotes from now on
3613                                 foot_count = 0;
3614                                 foot_this_level = true;
3615                         }
3616 #endif
3617                         os << "\\begin{" << style.latexname() << "}{"
3618                            << labelwidthstring << "}\n";
3619                 } else if (style.labeltype == LABEL_BIBLIO) {
3620                         // ale970405
3621                         os << "\\begin{" << style.latexname() << "}{"
3622                            << bibitemWidthest(current_view->painter())
3623                            << "}\n";
3624                 } else if (style.latextype == LATEX_ITEM_ENVIRONMENT) {
3625 #ifdef FANCY_FOOTNOTE_CODE
3626                         if (foot_count < 0) {
3627                                 // flag that footnote[mark][text] should be
3628                                 // used for any footnotes from now on
3629                                 foot_count = 0;
3630                                 foot_this_level = true;
3631                         }
3632 #endif
3633                         os << "\\begin{" << style.latexname() << '}'
3634                            << style.latexparam() << '\n';
3635                 } else
3636                         os << "\\begin{" << style.latexname() << '}'
3637                            << style.latexparam() << '\n';
3638                 texrow.newline();
3639         }
3640         LyXParagraph * par = this;
3641         do {
3642                 par = par->TeXOnePar(os, texrow, false,
3643                                      foot, foot_texrow, foot_count);
3644
3645                 if (minipage_open && par && !style.isEnvironment() &&
3646                     (par->pextra_type == PEXTRA_MINIPAGE) &&
3647                     par->pextra_start_minipage) {
3648                         os << "\\end{minipage}\n";
3649                         texrow.newline();
3650                         if (par_sep == BufferParams::PARSEP_INDENT) {
3651                                 os << "}\n";
3652                                 texrow.newline();
3653                         }
3654                         minipage_open = false;
3655                 }
3656                 if (par && par->depth > depth) {
3657                         if (textclasslist.Style(current_view->buffer()->params.textclass,
3658                                                 par->layout).isParagraph()
3659                             && !par->table
3660                             // Thinko!
3661                             // How to handle this? (Lgb)
3662                             //&& !suffixIs(os, "\n\n")
3663                                 ) {
3664                                 // There should be at least one '\n' already
3665                                 // but we need there to be two for Standard
3666                                 // paragraphs that are depth-increment'ed to be
3667                                 // output correctly.  However, tables can
3668                                 // also be paragraphs so don't adjust them.
3669                                 // ARRae
3670                                 // Thinkee:
3671                                 // Will it ever harm to have one '\n' too
3672                                 // many? i.e. that we sometimes will have
3673                                 // three in a row. (Lgb)
3674                                 os << '\n';
3675                                 texrow.newline();
3676                         }
3677                         par = par->TeXDeeper(os, texrow,
3678                                              foot, foot_texrow, foot_count);
3679                 }
3680                 if (par && par->layout == layout && par->depth == depth &&
3681                     (par->pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
3682                         if (par->pextra_hfill && par->Previous() &&
3683                             (par->Previous()->pextra_type == PEXTRA_MINIPAGE)){
3684                                 os << "\\hfill{}\n";
3685                                 texrow.newline();
3686                         }
3687                         if (par_sep == BufferParams::PARSEP_INDENT) {
3688                                 os << "{\\setlength\\parindent{0pt}\n";
3689                                 texrow.newline();
3690                         }
3691                         os << "\\begin{minipage}";
3692                         switch(par->pextra_alignment) {
3693                         case MINIPAGE_ALIGN_TOP:
3694                                 os << "[t]";
3695                                 break;
3696                         case MINIPAGE_ALIGN_MIDDLE:
3697                                 os << "[m]";
3698                                 break;
3699                         case MINIPAGE_ALIGN_BOTTOM:
3700                                 os << "[b]";
3701                                 break;
3702                         }
3703                         if (!par->pextra_width.empty()) {
3704                                 os << '{' << par->pextra_width << "}\n";
3705                         } else {
3706                                 //float ib = atof(par->pextra_widthp.c_str())/100;
3707                                 // string can't handle floats at present
3708                                 // so I'll do a conversion by hand knowing that
3709                                 // the limits are 0.0 to 1.0. ARRae.
3710                                 os << '{';
3711                                 switch (par->pextra_widthp.length()) {
3712                                 case 3:
3713                                         os << "1.00";
3714                                         break;
3715                                 case 2:
3716                                         os << "0." << par->pextra_widthp;
3717                                         break;
3718                                 case 1:
3719                                         os << "0.0" << par->pextra_widthp;
3720                                 }
3721                                 os << "\\columnwidth}\n";
3722                         }
3723                         texrow.newline();
3724                         if (par_sep == BufferParams::PARSEP_INDENT) {
3725                                 os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
3726                                 texrow.newline();
3727                         }
3728                         minipage_open = true;
3729                         minipage_open_depth = par->depth;
3730                 }
3731         } while (par
3732                  && par->layout == layout
3733                  && par->depth == depth
3734                  && par->pextra_type == pextra_type
3735                  && par->footnoteflag == footnoteflag);
3736
3737         if (style.isEnvironment()) {
3738                 os << "\\end{" << style.latexname() << '}';
3739                 // maybe this should go after the minipage closes?
3740                 if (foot_this_level) {
3741                         if (foot_count >= 1) {
3742                                 if (foot_count > 1) {
3743                                         os << "\\addtocounter{footnote}{-"
3744                                            << foot_count - 1
3745                                            << '}';
3746                                 }
3747                                 os << foot;
3748                                 texrow += foot_texrow;
3749                                 foot.clear();
3750                                 foot_texrow.reset();
3751                                 foot_count = 0;
3752                         }
3753                 }
3754         }
3755         if (minipage_open && (minipage_open_depth == depth) &&
3756             (!par || par->pextra_start_minipage ||
3757              par->pextra_type != PEXTRA_MINIPAGE)) {
3758                 os << "\\end{minipage}\n";
3759                 texrow.newline();
3760                 if (par_sep == BufferParams::PARSEP_INDENT) {
3761                         os << "}\n";
3762                         texrow.newline();
3763                 }
3764                 if (par && par->pextra_type != PEXTRA_MINIPAGE) {
3765                         os << "\\medskip\n\n";
3766                         texrow.newline();
3767                         texrow.newline();
3768                 }
3769                 minipage_open = false;
3770         }
3771         if (eindent_open) {
3772                 os << "\\end{LyXParagraphIndent}\n";
3773                 texrow.newline();
3774         }
3775         if (!(par && (par->pextra_type == PEXTRA_MINIPAGE)
3776               && par->pextra_hfill)) {
3777                 os << '\n';
3778                 texrow.newline();
3779         }
3780         lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
3781         return par;  // ale970302
3782 }
3783
3784
3785 LyXParagraph * LyXParagraph::TeXFootnote(ostream & os, TexRow & texrow,
3786                                          ostream & foot, TexRow & foot_texrow,
3787                                          int & foot_count,
3788                                          bool parent_is_rtl)
3789 {
3790         lyxerr[Debug::LATEX] << "TeXFootnote...  " << this << endl;
3791         if (footnoteflag == LyXParagraph::NO_FOOTNOTE)
3792                 lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
3793                         "No footnote!" << endl;
3794
3795         LyXParagraph * par = this;
3796         LyXLayout const & style =
3797                 textclasslist.Style(current_view->buffer()->params.textclass,
3798                                     previous->GetLayout());
3799
3800         if (style.needprotect && footnotekind != LyXParagraph::FOOTNOTE){
3801                 lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
3802                         "Float other than footnote in command"
3803                         " with moving argument is illegal" << endl;
3804         }
3805
3806         if (footnotekind != LyXParagraph::FOOTNOTE
3807             && footnotekind != LyXParagraph::MARGIN
3808             && os.tellp()
3809             // Thinko
3810             // How to solve this?
3811             //&& !suffixIs(file, '\n')
3812                 ) {
3813                 // we need to ensure that real floats like tables and figures
3814                 // have their \begin{} on a new line otherwise we can get
3815                 // incorrect results when using the endfloat.sty package
3816                 // especially if two floats follow one another.  ARRae 981022
3817                 // NOTE: if the file is length 0 it must have just been
3818                 //       written out so we assume it ended with a '\n'
3819                 // Thinkee:
3820                 // As far as I can see there is never any harm in writing
3821                 // a '\n' too much. Please tell me if I am wrong. (Lgb)
3822                 os << '\n';
3823                 texrow.newline();
3824         }
3825
3826         bool moving_arg = false;
3827         bool need_closing = false;
3828         bool is_rtl = isRightToLeftPar();
3829
3830         if (is_rtl != parent_is_rtl) {
3831                 if (is_rtl)
3832                         os << "\\R{";
3833                 else
3834                         os << "\\L{";
3835                 need_closing = true;
3836         }
3837
3838         BufferParams * params = &current_view->buffer()->params;
3839         bool footer_in_body = true;
3840         switch (footnotekind) {
3841         case LyXParagraph::FOOTNOTE:
3842                 if (style.intitle) {
3843                         os << "\\thanks{\n";
3844                         footer_in_body = false;
3845                         moving_arg = true;
3846                 } else {
3847                         if (foot_count == -1) {
3848                                 // we're at depth 0 so we can use:
3849                                 os << "\\footnote{%\n";
3850                                 footer_in_body = false;
3851                         } else {
3852                                 os << "\\footnotemark{}%\n";
3853                                 if (foot_count) {
3854                                         // we only need this when there are
3855                                         // multiple footnotes
3856                                         os << "\\stepcounter{footnote}";
3857                                 }
3858                                 os << "\\footnotetext{%\n";
3859                                 foot_texrow.start(this, 0);
3860                                 foot_texrow.newline();
3861                                 ++foot_count;
3862                         }
3863                 }
3864                 break;
3865         case LyXParagraph::MARGIN:
3866                 os << "\\marginpar{\n";
3867                 break;
3868         case LyXParagraph::FIG:
3869                 if (pextra_type == PEXTRA_FLOATFLT
3870                     && (!pextra_width.empty()
3871                         || !pextra_widthp.empty())) {
3872                         if (!pextra_width.empty())
3873                                 os << "\\begin{floatingfigure}{"
3874                                    << pextra_width << "}\n";
3875                         else
3876                                 os << "\\begin{floatingfigure}{"
3877                                    << atoi(pextra_widthp.c_str())/100.0
3878                                    << "\\textwidth}\n";
3879                 } else {
3880                         os << "\\begin{figure}";
3881                         if (!params->float_placement.empty()) {
3882                                 os << '[' << params->float_placement << "]\n";
3883                         } else {
3884                                 os << '\n';
3885                         }
3886                 }
3887                 break;
3888         case LyXParagraph::TAB:
3889                 os << "\\begin{table}";
3890                 if (!params->float_placement.empty()) {
3891                         os << '[' << params->float_placement << "]\n";
3892                 } else {
3893                         os << '\n';
3894                 }
3895                 break;
3896         case LyXParagraph::WIDE_FIG:
3897                 os << "\\begin{figure*}";
3898                 if (!params->float_placement.empty()) {
3899                         os << '[' << params->float_placement << "]\n";
3900                 } else {
3901                         os << '\n';
3902                 }
3903                 break;
3904         case LyXParagraph::WIDE_TAB:
3905                 os << "\\begin{table*}";
3906                 if (!params->float_placement.empty()) {
3907                         os << '[' << params->float_placement << "]\n";
3908                 } else {
3909                         os << '\n';
3910                 }
3911                 break;
3912         case LyXParagraph::ALGORITHM:
3913                 os << "\\begin{algorithm}\n";
3914                 break;
3915         }
3916         texrow.newline();
3917
3918         if (footnotekind != LyXParagraph::FOOTNOTE
3919             || !footer_in_body) {
3920                 // Process text for all floats except footnotes in body
3921                 do {
3922                         LyXLayout const & style =
3923                                 textclasslist
3924                                 .Style(current_view->buffer()->params
3925                                        .textclass,
3926                                        par->layout);
3927                         if (par->IsDummy())
3928                                 lyxerr << "ERROR (LyXParagraph::TeXFootnote)"
3929                                        << endl;
3930                         if (style.isEnvironment()
3931                             || par->pextra_type == PEXTRA_MINIPAGE) { /* && !minipage_open ?? */
3932                                 // Allows the use of minipages within float
3933                                 // environments. Shouldn't be circular because
3934                                 // we don't support footnotes inside
3935                                 // floats (yet). ARRae
3936                                 par = par->TeXEnvironment(os, texrow,
3937                                                           foot, foot_texrow,
3938                                                           foot_count);
3939                         } else {
3940                                 par = par->TeXOnePar(os, texrow, moving_arg,
3941                                                      foot, foot_texrow,
3942                                                      foot_count);
3943                         }
3944
3945                         if (par && !par->IsDummy() && par->depth > depth) {
3946                                 par = par->TeXDeeper(os, texrow,
3947                                                      foot, foot_texrow,
3948                                                      foot_count);
3949                         }
3950                 } while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE);
3951         } else {
3952                 // process footnotes > depth 0 or in environments separately
3953                 // NOTE: Currently don't support footnotes within footnotes
3954                 //       even though that is possible using the \footnotemark
3955 #ifdef HAVE_SSTREAM
3956                 std::ostringstream dummy;
3957 #else
3958                 ostrstream dummy;
3959 #endif
3960                 TexRow dummy_texrow;
3961                 int dummy_count = 0;
3962                 do {
3963                         LyXLayout const & style =
3964                                 textclasslist
3965                                 .Style(current_view->buffer()->params
3966                                        .textclass,
3967                                        par->layout);
3968                         if (par->IsDummy())
3969                                 lyxerr << "ERROR (LyXParagraph::TeXFootnote)"
3970                                        << endl;
3971                         if (style.isEnvironment()
3972                             || par->pextra_type == PEXTRA_MINIPAGE) { /* && !minipage_open ?? */
3973                                 // Allows the use of minipages within float
3974                                 // environments. Shouldn't be circular because
3975                                 // we don't support footnotes inside
3976                                 // floats (yet). ARRae
3977                                 par = par->TeXEnvironment(foot, foot_texrow,
3978                                                           dummy, dummy_texrow,
3979                                                           dummy_count);
3980                         } else {
3981                                 par = par->TeXOnePar(foot, foot_texrow,
3982                                                      moving_arg,
3983                                                      dummy, dummy_texrow,
3984                                                      dummy_count);
3985                         }
3986
3987                         if (par && !par->IsDummy() && par->depth > depth) {
3988                                 par = par->TeXDeeper(foot, foot_texrow,
3989                                                      dummy, dummy_texrow,
3990                                                      dummy_count);
3991                         }
3992                 } while (par
3993                          && par->footnoteflag != LyXParagraph::NO_FOOTNOTE);
3994                 if (dummy_count) {
3995                         lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
3996                                 "Footnote in a Footnote -- not supported"
3997                                << endl;
3998                 }
3999 #ifndef HAVE_OSTREAM
4000                 delete [] dummy.str();
4001 #endif
4002         }
4003
4004         switch (footnotekind) {
4005         case LyXParagraph::FOOTNOTE:
4006                 if (footer_in_body) {
4007                         // This helps tell which of the multiple
4008                         // footnotetexts an error was in.
4009                         foot << "}%\n";
4010                         foot_texrow.newline();
4011                 } else {
4012                         os << '}';
4013                 }
4014                 break;
4015         case LyXParagraph::MARGIN:
4016                 os << '}';
4017                 break;
4018         case LyXParagraph::FIG:
4019                 if (pextra_type == PEXTRA_FLOATFLT
4020                     && (!pextra_width.empty()
4021                         || !pextra_widthp.empty()))
4022                         os << "\\end{floatingfigure}";
4023                 else
4024                         os << "\\end{figure}";
4025                 break;
4026         case LyXParagraph::TAB:
4027                 os << "\\end{table}";
4028                 break;
4029         case LyXParagraph::WIDE_FIG:
4030                 os << "\\end{figure*}";
4031                 break;
4032         case LyXParagraph::WIDE_TAB:
4033                 os << "\\end{table*}";
4034                 break;
4035         case LyXParagraph::ALGORITHM:
4036                 os << "\\end{algorithm}";
4037                 break;
4038         }
4039
4040         if (need_closing)
4041                 os << "}";
4042
4043         if (footnotekind != LyXParagraph::FOOTNOTE
4044             && footnotekind != LyXParagraph::MARGIN) {
4045                 // we need to ensure that real floats like tables and figures
4046                 // have their \end{} on a line of their own otherwise we can
4047                 // get incorrect results when using the endfloat.sty package.
4048                 os << "\n";
4049                 texrow.newline();
4050         }
4051
4052         lyxerr[Debug::LATEX] << "TeXFootnote...done " << par->next << endl;
4053         return par;
4054 }
4055
4056
4057 bool LyXParagraph::IsDummy() const
4058 {
4059         return (footnoteflag == LyXParagraph::NO_FOOTNOTE && previous
4060                 && previous->footnoteflag != LyXParagraph::NO_FOOTNOTE);
4061 }
4062
4063
4064 void LyXParagraph::SetPExtraType(int type, char const * width,
4065                                  char const * widthp)
4066 {
4067         pextra_type = type;
4068         pextra_width = width;
4069         pextra_widthp = widthp;
4070
4071         if (textclasslist.Style(current_view->buffer()->params.textclass,
4072                                 layout).isEnvironment()) {
4073                 LyXParagraph
4074                         * par = this,
4075                         * ppar = par;
4076
4077                 while (par && (par->layout == layout)
4078                        && (par->depth == depth)) {
4079                         ppar = par;
4080                         par = par->Previous();
4081                         if (par)
4082                                 par = par->FirstPhysicalPar();
4083                         while (par && par->depth > depth) {
4084                                 par = par->Previous();
4085                                 if (par)
4086                                         par = par->FirstPhysicalPar();
4087                         }
4088                 }
4089                 par = ppar;
4090                 while (par && (par->layout == layout)
4091                        && (par->depth == depth)) {
4092                         par->pextra_type = type;
4093                         par->pextra_width = width;
4094                         par->pextra_widthp = widthp;
4095                         par = par->NextAfterFootnote();
4096                         if (par && (par->depth > depth))
4097                                 par->SetPExtraType(type, width, widthp);
4098                         while (par && ((par->depth > depth) || par->IsDummy()))
4099                                 par = par->NextAfterFootnote();
4100                 }
4101         }
4102 }
4103
4104
4105 void LyXParagraph::UnsetPExtraType()
4106 {
4107         if (pextra_type == PEXTRA_NONE)
4108                 return;
4109
4110         pextra_type = PEXTRA_NONE;
4111         pextra_width.erase();
4112         pextra_widthp.erase();
4113
4114         if (textclasslist.Style(current_view->buffer()->params.textclass,
4115                                 layout).isEnvironment()) {
4116                 LyXParagraph
4117                         * par = this,
4118                         * ppar = par;
4119
4120                 while (par && (par->layout == layout)
4121                        && (par->depth == depth)) {
4122                         ppar = par;
4123                         par = par->Previous();
4124                         if (par)
4125                                 par = par->FirstPhysicalPar();
4126                         while (par && par->depth > depth) {
4127                                 par = par->Previous();
4128                                 if (par)
4129                                         par = par->FirstPhysicalPar();
4130                         }
4131                 }
4132                 par = ppar;
4133                 while (par && (par->layout == layout)
4134                        && (par->depth == depth)) {
4135                         par->pextra_type = PEXTRA_NONE;
4136                         par->pextra_width.erase();
4137                         par->pextra_widthp.erase();
4138                         par = par->NextAfterFootnote();
4139                         if (par && (par->depth > depth))
4140                                 par->UnsetPExtraType();
4141                         while (par && ((par->depth > depth) || par->IsDummy()))
4142                                 par = par->NextAfterFootnote();
4143                 }
4144         }
4145 }
4146
4147
4148 bool LyXParagraph::IsHfill(size_type pos) const
4149 {
4150         return IsHfillChar(GetChar(pos));
4151 }
4152
4153
4154 bool LyXParagraph::IsInset(size_type pos) const
4155 {
4156         return IsInsetChar(GetChar(pos));
4157 }
4158
4159
4160 bool LyXParagraph::IsFloat(size_type pos) const
4161 {
4162         return IsFloatChar(GetChar(pos));
4163 }
4164
4165
4166 bool LyXParagraph::IsNewline(size_type pos) const
4167 {
4168         return pos >= 0 && IsNewlineChar(GetChar(pos));
4169 }
4170
4171
4172 bool LyXParagraph::IsSeparator(size_type pos) const
4173 {
4174         return IsSeparatorChar(GetChar(pos));
4175 }
4176
4177
4178 bool LyXParagraph::IsLineSeparator(size_type pos) const
4179 {
4180         return IsLineSeparatorChar(GetChar(pos));
4181 }
4182
4183
4184 bool LyXParagraph::IsKomma(size_type pos) const
4185 {
4186         return IsKommaChar(GetChar(pos));
4187 }
4188
4189
4190 /// Used by the spellchecker
4191 bool LyXParagraph::IsLetter(LyXParagraph::size_type pos) const
4192 {
4193         unsigned char c = GetChar(pos);
4194         if (IsLetterChar(c))
4195                 return true;
4196         // '\0' is not a letter, allthough every string contains "" (below)
4197         if( c == '\0')
4198                 return false;
4199         // We want to pass the ' and escape chars to ispell
4200         string extra = lyxrc.isp_esc_chars + '\'';
4201         char ch[2];
4202         ch[0] = c;
4203         ch[1] = 0;
4204         return contains(extra, ch);
4205 }
4206
4207
4208 bool LyXParagraph::IsWord(size_type pos ) const
4209 {
4210         return IsWordChar(GetChar(pos)) ;
4211 }
4212
4213
4214 Language const * LyXParagraph::getParLanguage() const
4215 {
4216         if (size() > 0)
4217                 if (!table)
4218                         return FirstPhysicalPar()->GetFirstFontSettings()
4219                                 .language();
4220                 else {
4221                         for (size_type pos = 0; pos < size(); ++pos)
4222                                 if (IsNewline(pos))
4223                                         return GetFontSettings(pos).language();
4224                         return GetFirstFontSettings().language();
4225                 }
4226         else if (previous)
4227                 return previous->getParLanguage();
4228         else
4229                 return current_view->buffer()->params.language_info;
4230 }
4231
4232
4233 bool LyXParagraph::isRightToLeftPar() const
4234 {
4235         return lyxrc.rtl_support && !table && getParLanguage()->RightToLeft;
4236 }
4237
4238
4239 void LyXParagraph::ChangeLanguage(Language const * from, Language const * to)
4240 {
4241         for(size_type i = 0; i < size(); ++i) {
4242                 LyXFont font = GetFontSettings(i);
4243                 if (font.language() == from) {
4244                         font.setLanguage(to);
4245                         SetFont(i, font);
4246                 }
4247         }
4248 }
4249
4250
4251 bool LyXParagraph::isMultiLingual()
4252 {
4253         Language const * doc_language =
4254                 current_view->buffer()->params.language_info;
4255         for(size_type i = 0; i < size(); ++i) {
4256                 LyXFont font = GetFontSettings(i);
4257                 if (font.language() != doc_language)
4258                         return true;
4259         }
4260         return false;
4261 }
4262
4263
4264 // Convert the paragraph to a string.
4265 // Used for building the table of contents
4266 string LyXParagraph::String(bool label)
4267 {
4268         string s;
4269         if (label && !IsDummy())
4270                 s += labelstring + ' ';
4271         string::size_type len = s.size();
4272
4273         for (LyXParagraph::size_type i = 0; i < size(); ++i) {
4274                 unsigned char c = GetChar(i);
4275                 if (IsPrintable(c))
4276                         s += c;
4277                 else if (c == META_INSET &&
4278                          GetInset(i)->LyxCode() == Inset::MATH_CODE) {
4279 #ifdef HAVE_SSTREAM
4280                         std::ostringstream ost;
4281                         GetInset(i)->Ascii(ost);
4282 #else
4283                         ostrstream ost;
4284                         GetInset(i)->Ascii(ost);
4285                         ost << '\0';
4286 #endif
4287                         s += subst(ost.str(),'\n',' ');
4288                 }
4289         }
4290
4291         if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
4292                 s += NextAfterFootnote()->String(false);
4293
4294         if (!IsDummy()) {
4295                 if (isRightToLeftPar())
4296                         reverse(s.begin() + len,s.end());
4297         }
4298         return s;
4299 }
4300
4301
4302 string LyXParagraph::String(LyXParagraph::size_type beg,
4303                             LyXParagraph::size_type end)
4304 {
4305         string s;
4306
4307         for (LyXParagraph::size_type i = beg; i < end; ++i) {
4308                 unsigned char c = GetChar(i);
4309                 if (IsPrintable(c))
4310                         s += c;
4311                 else if (c == META_INSET) {
4312 #ifdef HAVE_SSTREAM
4313                         std::ostringstream ost;
4314                         GetInset(i)->Ascii(ost);
4315 #else
4316                         ostrstream ost;
4317                         GetInset(i)->Ascii(ost);
4318                         ost << '\0';
4319 #endif
4320                         s += subst(ost.str(),'\n',' ');
4321                 }
4322         }
4323
4324         if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE)
4325                 s += NextAfterFootnote()->String(false);
4326
4327         if (!IsDummy()) {
4328                 if (isRightToLeftPar())
4329                         reverse(s.begin(), s.end());
4330         }
4331         return s;
4332 }