src/paragraph.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1995 Matthias Ettrich
   7  *           Copyright 1995-2001 The LyX Team.
   8  *
   9  * ====================================================== */
  10
  11 #include <config.h>
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 #include <algorithm>
  18 #include <fstream>
  19 #include <csignal>
  20
  21 #include "paragraph.h"
  22 #include "paragraph_pimpl.h"
  23 #include "support/textutils.h"
  24 #include "lyxrc.h"
  25 #include "layout.h"
  26 #include "language.h"
  27 #include "tex-strings.h"
  28 #include "buffer.h"
  29 #include "bufferparams.h"
  30 #include "support/FileInfo.h"
  31 #include "support/LAssert.h"
  32 #include "debug.h"
  33 #include "LaTeXFeatures.h"
  34 #include "insets/insetinclude.h"
  35 #include "insets/insetbib.h"
  36 #include "insets/insettext.h"
  37 #include "support/filetools.h"
  38 #include "support/lstrings.h"
  39 #include "lyx_gui_misc.h"
  40 #include "texrow.h"
  41 #include "support/lyxmanip.h"
  42 #include "BufferView.h"
  43 #include "encoding.h"
  44 #include "ParameterStruct.h"
  45 #include "gettext.h"
  46
  47 using std::ostream;
  48 using std::endl;
  49 using std::fstream;
  50 using std::ios;
  51 using std::lower_bound;
  52 using std::upper_bound;
  53 using std::reverse;
  54
  55 int tex_code_break_column = 72;  // needs non-zero initialization. set later.
  56 // this is a bad idea, but how can Paragraph find its buffer to get
  57 // parameters? (JMarc)
  58
  59 extern string bibitemWidest(Buffer const *);
  60
  61 // this is a minibuffer
  62
  63 namespace {
  64
  65 char minibuffer_char;
  66 LyXFont minibuffer_font;
  67 Inset * minibuffer_inset;
  68
  69 } // namespace anon
  70
  71
  72 extern BufferView * current_view;
  73
  74
  75 Paragraph::Paragraph()
  76                 : pimpl_(new Paragraph::Pimpl(this))
  77 {
  78         for (int i = 0; i < 10; ++i) setCounter(i , 0);
  79         next_ = 0;
  80         previous_ = 0;
  81         enumdepth = 0;
  82         itemdepth = 0;
  83         bibkey = 0; // ale970302
  84         clear();
  85 }
  86
  87
  88 // This konstruktor inserts the new paragraph in a list.
  89 Paragraph::Paragraph(Paragraph * par)
  90                 : pimpl_(new Paragraph::Pimpl(this))
  91 {
  92         for (int i = 0; i < 10; ++i)
  93                 setCounter(i, 0);
  94         enumdepth = 0;
  95         itemdepth = 0;
  96
  97         // double linked list begin
  98         next_ = par->next_;
  99         if (next_)
 100                 next_->previous_ = this;
 101         previous_ = par;
 102         previous_->next_ = this;
 103         // end
 104
 105         bibkey = 0; // ale970302
 106
 107         clear();
 108 }
 109
 110
 111 Paragraph::Paragraph(Paragraph const & lp, bool same_ids)
 112         : pimpl_(new Paragraph::Pimpl(*lp.pimpl_, this, same_ids))
 113 {
 114         for (int i = 0; i < 10; ++i)
 115                 setCounter(i , 0);
 116         enumdepth = 0;
 117         itemdepth = 0;
 118         next_ = 0;
 119         previous_ = 0;
 120
 121         // this is because of the dummy layout of the paragraphs that
 122         // follow footnotes
 123         layout = lp.layout;
 124
 125         // ale970302
 126         if (lp.bibkey) {
 127                 bibkey = static_cast<InsetBibKey *>
 128                         (lp.bibkey->clone(*current_view->buffer()));
 129         } else {
 130                 bibkey = 0;
 131         }
 132
 133         // copy everything behind the break-position to the new paragraph
 134
 135         insetlist = lp.insetlist;
 136         for (InsetList::iterator it = insetlist.begin();
 137              it != insetlist.end(); ++it)
 138         {
 139                 it->inset = it->inset->clone(*current_view->buffer(), same_ids);
 140         }
 141 }
 142
 143
 144 // the destructor removes the new paragraph from the list
 145 Paragraph::~Paragraph()
 146 {
 147         if (previous_)
 148                 previous_->next_ = next_;
 149         if (next_)
 150                 next_->previous_ = previous_;
 151
 152         for (InsetList::iterator it = insetlist.begin();
 153              it != insetlist.end(); ++it) {
 154                 delete it->inset;
 155         }
 156
 157         // ale970302
 158         delete bibkey;
 159
 160         delete pimpl_;
 161         //
 162         //lyxerr << "Paragraph::paragraph_id = "
 163         //       << Paragraph::paragraph_id << endl;
 164 }
 165
 166
 167 void Paragraph::writeFile(Buffer const * buf, ostream & os,
 168                           BufferParams const & bparams,
 169                           depth_type dth) const
 170 {
 171         // The beginning or end of a deeper (i.e. nested) area?
 172         if (dth != params().depth()) {
 173                 if (params().depth() > dth) {
 174                         while (params().depth() > dth) {
 175                                 os << "\n\\begin_deeper ";
 176                                 ++dth;
 177                         }
 178                 } else {
 179                         while (params().depth() < dth) {
 180                                 os << "\n\\end_deeper ";
 181                                 --dth;
 182                         }
 183                 }
 184         }
 185
 186         // First write the layout
 187         os << "\n\\layout "
 188            << textclasslist.NameOfLayout(bparams.textclass, layout)
 189            << "\n";
 190
 191         // Maybe some vertical spaces.
 192         if (params().spaceTop().kind() != VSpace::NONE)
 193                 os << "\\added_space_top "
 194                    << params().spaceTop().asLyXCommand() << " ";
 195         if (params().spaceBottom().kind() != VSpace::NONE)
 196                 os << "\\added_space_bottom "
 197                    << params().spaceBottom().asLyXCommand() << " ";
 198
 199         // Maybe the paragraph has special spacing
 200         params().spacing().writeFile(os, true);
 201
 202         // The labelwidth string used in lists.
 203         if (!params().labelWidthString().empty())
 204                 os << "\\labelwidthstring "
 205                    << params().labelWidthString() << '\n';
 206
 207         // Lines above or below?
 208         if (params().lineTop())
 209                 os << "\\line_top ";
 210         if (params().lineBottom())
 211                 os << "\\line_bottom ";
 212
 213         // Pagebreaks above or below?
 214         if (params().pagebreakTop())
 215                 os << "\\pagebreak_top ";
 216         if (params().pagebreakBottom())
 217                 os << "\\pagebreak_bottom ";
 218
 219         // Start of appendix?
 220         if (params().startOfAppendix())
 221                 os << "\\start_of_appendix ";
 222
 223         // Noindent?
 224         if (params().noindent())
 225                 os << "\\noindent ";
 226
 227         // Alignment?
 228         if (params().align() != LYX_ALIGN_LAYOUT) {
 229                 int h = 0;
 230                 switch (params().align()) {
 231                 case LYX_ALIGN_LEFT: h = 1; break;
 232                 case LYX_ALIGN_RIGHT: h = 2; break;
 233                 case LYX_ALIGN_CENTER: h = 3; break;
 234                 default: h = 0; break;
 235                 }
 236                 os << "\\align " << string_align[h] << " ";
 237         }
 238
 239         // bibitem  ale970302
 240         if (bibkey)
 241                 bibkey->write(buf, os);
 242
 243         LyXFont font1(LyXFont::ALL_INHERIT, bparams.language);
 244
 245         int column = 0;
 246         for (size_type i = 0; i < size(); ++i) {
 247                 if (!i) {
 248                         os << "\n";
 249                         column = 0;
 250                 }
 251
 252                 // Write font changes
 253                 LyXFont font2 = getFontSettings(bparams, i);
 254                 if (font2 != font1) {
 255                         font2.lyxWriteChanges(font1, bparams.language, os);
 256                         column = 0;
 257                         font1 = font2;
 258                 }
 259
 260                 value_type const c = getChar(i);
 261                 switch (c) {
 262                 case META_INSET:
 263                 {
 264                         Inset const * inset = getInset(i);
 265                         if (inset)
 266                                 if (inset->directWrite()) {
 267                                         // international char, let it write
 268                                         // code directly so it's shorter in
 269                                         // the file
 270                                         inset->write(buf, os);
 271                                 } else {
 272                                         os << "\n\\begin_inset ";
 273                                         inset->write(buf, os);
 274                                         os << "\n\\end_inset \n\n";
 275                                         column = 0;
 276                                 }
 277                 }
 278                 break;
 279                 case META_NEWLINE:
 280                         os << "\n\\newline \n";
 281                         column = 0;
 282                         break;
 283                 case META_HFILL:
 284                         os << "\n\\hfill \n";
 285                         column = 0;
 286                         break;
 287                 case '\\':
 288                         os << "\n\\backslash \n";
 289                         column = 0;
 290                         break;
 291                 case '.':
 292                         if (i + 1 < size() && getChar(i + 1) == ' ') {
 293                                 os << ".\n";
 294                                 column = 0;
 295                         } else
 296                                 os << ".";
 297                         break;
 298                 default:
 299                         if ((column > 70 && c == ' ')
 300                             || column > 79) {
 301                                 os << "\n";
 302                                 column = 0;
 303                         }
 304                         // this check is to amend a bug. LyX sometimes
 305                         // inserts '\0' this could cause problems.
 306                         if (c != '\0')
 307                                 os << c;
 308                         else
 309                                 lyxerr << "ERROR (Paragraph::writeFile):"
 310                                         " NULL char in structure." << endl;
 311                         ++column;
 312                         break;
 313                 }
 314         }
 315
 316         // now write the next paragraph
 317         if (next_)
 318                 next_->writeFile(buf, os, bparams, dth);
 319 }
 320
 321
 322 void Paragraph::validate(LaTeXFeatures & features) const
 323 {
 324         BufferParams const & bparams = features.bufferParams();
 325
 326         // check the params.
 327         if (params().lineTop() || params().lineBottom())
 328                 features.lyxline = true;
 329         if (!params().spacing().isDefault())
 330                 features.setspace = true;
 331
 332         // then the layouts
 333         features.layout[getLayout()] = true;
 334
 335         // then the fonts
 336         Language const * doc_language = bparams.language;
 337
 338         for (Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
 339              cit != pimpl_->fontlist.end(); ++cit) {
 340                 if (cit->font().noun() == LyXFont::ON) {
 341                         lyxerr[Debug::LATEX] << "font.noun: "
 342                                              << cit->font().noun()
 343                                              << endl;
 344                         features.noun = true;
 345                         lyxerr[Debug::LATEX] << "Noun enabled. Font: "
 346                                              << cit->font().stateText(0)
 347                                              << endl;
 348                 }
 349                 switch (cit->font().color()) {
 350                 case LColor::none:
 351                 case LColor::inherit:
 352                 case LColor::ignore:
 353                         // probably we should put here all interface colors used for
 354                         // font displaying! For now I just add this ones I know of (Jug)
 355                 case LColor::latex:
 356                 case LColor::note:
 357                         break;
 358                 default:
 359                         features.color = true;
 360                         lyxerr[Debug::LATEX] << "Color enabled. Font: "
 361                                              << cit->font().stateText(0)
 362                                              << endl;
 363                 }
 364
 365                 Language const * language = cit->font().language();
 366                 if (language != ignore_language &&
 367                         language != inherit_language &&
 368                         language->babel() != doc_language->babel())
 369                 {
 370                         features.UsedLanguages.insert(language);
 371                         lyxerr[Debug::LATEX] << "Found language "
 372                                              << language->babel() << endl;
 373                 }
 374         }
 375
 376         // then the insets
 377         for (InsetList::const_iterator cit = insetlist.begin();
 378              cit != insetlist.end(); ++cit) {
 379                 if (cit->inset)
 380                         cit->inset->validate(features);
 381         }
 382 }
 383
 384
 385 // First few functions needed for cut and paste and paragraph breaking.
 386 void Paragraph::copyIntoMinibuffer(Buffer const & buffer,
 387                                       Paragraph::size_type pos) const
 388 {
 389         BufferParams bparams = buffer.params;
 390
 391         minibuffer_char = getChar(pos);
 392         minibuffer_font = getFontSettings(bparams, pos);
 393         minibuffer_inset = 0;
 394         if (minibuffer_char == Paragraph::META_INSET) {
 395                 if (getInset(pos)) {
 396                         minibuffer_inset = getInset(pos)->clone(buffer);
 397                 } else {
 398                         minibuffer_inset = 0;
 399                         minibuffer_char = ' ';
 400                         // This reflects what GetInset() does (ARRae)
 401                 }
 402         }
 403 }
 404
 405
 406 void Paragraph::cutIntoMinibuffer(BufferParams const & bparams,
 407                                      Paragraph::size_type pos)
 408 {
 409         minibuffer_char = getChar(pos);
 410         minibuffer_font = getFontSettings(bparams, pos);
 411         minibuffer_inset = 0;
 412         if (minibuffer_char == Paragraph::META_INSET) {
 413                 if (getInset(pos)) {
 414                         minibuffer_inset = getInset(pos);
 415                         // This is a little hack since I want exactly
 416                         // the inset, not just a clone. Otherwise
 417                         // the inset would be deleted when calling Erase(pos)
 418                         // find the entry
 419                         InsetTable search_elem(pos, 0);
 420                         InsetList::iterator it =
 421                                 lower_bound(insetlist.begin(),
 422                                             insetlist.end(),
 423                                             search_elem, Pimpl::matchIT());
 424                         if (it != insetlist.end() && it->pos == pos)
 425                                 it->inset = 0;
 426                 } else {
 427                         minibuffer_inset = 0;
 428                         minibuffer_char = ' ';
 429                         // This reflects what GetInset() does (ARRae)
 430                 }
 431
 432         }
 433
 434         // Erase(pos); now the caller is responsible for that.
 435 }
 436
 437
 438 bool Paragraph::insertFromMinibuffer(Paragraph::size_type pos)
 439 {
 440         if ((minibuffer_char == Paragraph::META_INSET) &&
 441             !insetAllowed(minibuffer_inset->lyxCode()))
 442                 return false;
 443         if (minibuffer_char == Paragraph::META_INSET)
 444                 insertInset(pos, minibuffer_inset, minibuffer_font);
 445         else {
 446                 LyXFont f = minibuffer_font;
 447                 if (checkInsertChar(f))
 448                         insertChar(pos, minibuffer_char, f);
 449         }
 450         return true;
 451 }
 452
 453 // end of minibuffer
 454
 455
 456
 457 void Paragraph::clear()
 458 {
 459         params().clear();
 460
 461         layout = 0;
 462         bibkey = 0;
 463 }
 464
 465
 466 void Paragraph::erase(Paragraph::size_type pos)
 467 {
 468         pimpl_->erase(pos);
 469 }
 470
 471
 472 bool Paragraph::checkInsertChar(LyXFont & font)
 473 {
 474         if (pimpl_->inset_owner)
 475                 return pimpl_->inset_owner->checkInsertChar(font);
 476         return true;
 477 }
 478
 479
 480 void Paragraph::insertChar(Paragraph::size_type pos,
 481                               Paragraph::value_type c)
 482 {
 483         LyXFont const f(LyXFont::ALL_INHERIT);
 484         insertChar(pos, c, f);
 485 }
 486
 487
 488 void Paragraph::insertChar(Paragraph::size_type pos,
 489                               Paragraph::value_type c,
 490                               LyXFont const & font)
 491 {
 492         pimpl_->insertChar(pos, c, font);
 493 }
 494
 495
 496 void Paragraph::insertInset(Paragraph::size_type pos,
 497                                Inset * inset)
 498 {
 499         LyXFont const f(LyXFont::ALL_INHERIT);
 500         insertInset(pos, inset, f);
 501 }
 502
 503
 504 void Paragraph::insertInset(Paragraph::size_type pos,
 505                                Inset * inset, LyXFont const & font)
 506 {
 507         pimpl_->insertInset(pos, inset, font);
 508 }
 509
 510
 511 bool Paragraph::insetAllowed(Inset::Code code)
 512 {
 513         //lyxerr << "Paragraph::InsertInsetAllowed" << endl;
 514
 515         if (pimpl_->inset_owner)
 516                 return pimpl_->inset_owner->insetAllowed(code);
 517         return true;
 518 }
 519
 520
 521 Inset * Paragraph::getInset(Paragraph::size_type pos)
 522 {
 523         lyx::Assert(pos < size());
 524
 525         // Find the inset.
 526         InsetTable search_inset(pos, 0);
 527         InsetList::iterator it = lower_bound(insetlist.begin(),
 528                                              insetlist.end(),
 529                                              search_inset, Pimpl::matchIT());
 530         if (it != insetlist.end() && it->pos == pos)
 531                 return it->inset;
 532
 533         lyxerr << "ERROR (Paragraph::GetInset): "
 534                 "Inset does not exist: " << pos << endl;
 535         //::raise(SIGSTOP);
 536
 537         // text[pos] = ' '; // WHY!!! does this set the pos to ' '????
 538         // Did this commenting out introduce a bug? So far I have not
 539         // see any, please enlighten me. (Lgb)
 540         // My guess is that since the inset does not exist, we might
 541         // as well replace it with a space to prevent craches. (Asger)
 542         return 0;
 543 }
 544
 545
 546 Inset const * Paragraph::getInset(Paragraph::size_type pos) const
 547 {
 548         lyx::Assert(pos < size());
 549
 550         // Find the inset.
 551         InsetTable search_inset(pos, 0);
 552         InsetList::const_iterator cit = lower_bound(insetlist.begin(),
 553                                                     insetlist.end(),
 554                                                     search_inset, Pimpl::matchIT());
 555         if (cit != insetlist.end() && cit->pos == pos)
 556                 return cit->inset;
 557
 558         lyxerr << "ERROR (Paragraph::GetInset): "
 559                 "Inset does not exist: " << pos << endl;
 560         //::raise(SIGSTOP);
 561         //text[pos] = ' '; // WHY!!! does this set the pos to ' '????
 562         // Did this commenting out introduce a bug? So far I have not
 563         // see any, please enlighten me. (Lgb)
 564         // My guess is that since the inset does not exist, we might
 565         // as well replace it with a space to prevent craches. (Asger)
 566         return 0;
 567 }
 568
 569
 570 // Gets uninstantiated font setting at position.
 571 LyXFont const Paragraph::getFontSettings(BufferParams const & bparams,
 572                                          Paragraph::size_type pos) const
 573 {
 574         lyx::Assert(pos <= size());
 575
 576         Pimpl::FontTable search_font(pos, LyXFont());
 577         Pimpl::FontList::const_iterator cit = lower_bound(pimpl_->fontlist.begin(),
 578                                                    pimpl_->fontlist.end(),
 579                                                    search_font, Pimpl::matchFT());
 580         LyXFont retfont;
 581         if (cit != pimpl_->fontlist.end()) {
 582                 retfont = cit->font();
 583         } else if (pos == size() && size()) {
 584                 retfont = getFontSettings(bparams, pos - 1);
 585         } else
 586                 retfont = LyXFont(LyXFont::ALL_INHERIT, getParLanguage(bparams));
 587         if (retfont.language() == inherit_language)
 588                 retfont.setLanguage(bparams.language);
 589
 590         return retfont;
 591 }
 592
 593
 594 // Gets uninstantiated font setting at position 0
 595 LyXFont const Paragraph::getFirstFontSettings() const
 596 {
 597         if (size() > 0) {
 598                 if (!pimpl_->fontlist.empty())
 599                         return pimpl_->fontlist[0].font();
 600         }
 601
 602         return LyXFont(LyXFont::ALL_INHERIT);
 603 }
 604
 605
 606 // Gets the fully instantiated font at a given position in a paragraph
 607 // This is basically the same function as LyXText::GetFont() in text2.C.
 608 // The difference is that this one is used for generating the LaTeX file,
 609 // and thus cosmetic "improvements" are disallowed: This has to deliver
 610 // the true picture of the buffer. (Asger)
 611 // If position is -1, we get the layout font of the paragraph.
 612 // If position is -2, we get the font of the manual label of the paragraph.
 613 LyXFont const Paragraph::getFont(BufferParams const & bparams,
 614                               Paragraph::size_type pos) const
 615 {
 616         LyXFont tmpfont;
 617         LyXLayout const & layout =
 618                 textclasslist.Style(bparams.textclass,
 619                                     getLayout());
 620         Paragraph::size_type main_body = 0;
 621         if (layout.labeltype == LABEL_MANUAL)
 622                 main_body = beginningOfMainBody();
 623
 624         if (pos >= 0) {
 625                 LyXFont layoutfont;
 626                 if (pos < main_body)
 627                         layoutfont = layout.labelfont;
 628                 else
 629                         layoutfont = layout.font;
 630                 tmpfont = getFontSettings(bparams, pos);
 631                 tmpfont.realize(layoutfont, bparams.language);
 632         } else {
 633                 // process layoutfont for pos == -1 and labelfont for pos < -1
 634                 if (pos == -1)
 635                         tmpfont = layout.font;
 636                 else
 637                         tmpfont = layout.labelfont;
 638                 tmpfont.setLanguage(getParLanguage(bparams));
 639         }
 640
 641         // check for environment font information
 642         char par_depth = getDepth();
 643         Paragraph const * par = this;
 644         while (par && par->getDepth() && !tmpfont.resolved()) {
 645                 par = par->outerHook();
 646                 if (par) {
 647                         tmpfont.realize(textclasslist.
 648                                         Style(bparams.textclass,
 649                                               par->getLayout()).font, bparams.language);
 650                         par_depth = par->getDepth();
 651                 }
 652         }
 653
 654         tmpfont.realize(textclasslist
 655                         .TextClass(bparams.textclass)
 656                         .defaultfont(), bparams.language);
 657         return tmpfont;
 658 }
 659
 660
 661 /// Returns the height of the highest font in range
 662 LyXFont::FONT_SIZE
 663 Paragraph::highestFontInRange(Paragraph::size_type startpos,
 664                                  Paragraph::size_type endpos) const
 665 {
 666         LyXFont::FONT_SIZE maxsize = LyXFont::SIZE_TINY;
 667         if (pimpl_->fontlist.empty())
 668                 return maxsize;
 669
 670         Pimpl::FontTable end_search(endpos, LyXFont());
 671         Pimpl::FontList::const_iterator end_it = lower_bound(pimpl_->fontlist.begin(),
 672                                                       pimpl_->fontlist.end(),
 673                                                       end_search, Pimpl::matchFT());
 674         if (end_it != pimpl_->fontlist.end())
 675                 ++end_it;
 676
 677         Pimpl::FontTable start_search(startpos, LyXFont());
 678         for (Pimpl::FontList::const_iterator cit =
 679                      lower_bound(pimpl_->fontlist.begin(),
 680                                  pimpl_->fontlist.end(),
 681                                  start_search, Pimpl::matchFT());
 682              cit != end_it; ++cit) {
 683                 LyXFont::FONT_SIZE size = cit->font().size();
 684                 if (size > maxsize && size <= LyXFont::SIZE_HUGER)
 685                         maxsize = size;
 686         }
 687         return maxsize;
 688 }
 689
 690
 691 Paragraph::value_type
 692 Paragraph::getUChar(BufferParams const & bparams,
 693                        Paragraph::size_type pos) const
 694 {
 695         value_type c = getChar(pos);
 696         if (!lyxrc.rtl_support)
 697                 return c;
 698
 699         value_type uc = c;
 700         switch (c) {
 701         case '(':
 702                 uc = ')';
 703                 break;
 704         case ')':
 705                 uc = '(';
 706                 break;
 707         case '[':
 708                 uc = ']';
 709                 break;
 710         case ']':
 711                 uc = '[';
 712                 break;
 713         case '{':
 714                 uc = '}';
 715                 break;
 716         case '}':
 717                 uc = '{';
 718                 break;
 719         case '<':
 720                 uc = '>';
 721                 break;
 722         case '>':
 723                 uc = '<';
 724                 break;
 725         }
 726         if (uc != c && getFontSettings(bparams, pos).isRightToLeft())
 727                 return uc;
 728         else
 729                 return c;
 730 }
 731
 732
 733 void Paragraph::setFont(Paragraph::size_type pos,
 734                            LyXFont const & font)
 735 {
 736         lyx::Assert(pos <= size());
 737
 738         // First, reduce font against layout/label font
 739         // Update: The SetCharFont() routine in text2.C already
 740         // reduces font, so we don't need to do that here. (Asger)
 741         // No need to simplify this because it will disappear
 742         // in a new kernel. (Asger)
 743         // Next search font table
 744
 745         Pimpl::FontTable search_font(pos, LyXFont());
 746         Pimpl::FontList::iterator it = lower_bound(pimpl_->fontlist.begin(),
 747                                             pimpl_->fontlist.end(),
 748                                             search_font, Pimpl::matchFT());
 749         unsigned int i = it - pimpl_->fontlist.begin();
 750         bool notfound = it == pimpl_->fontlist.end();
 751
 752         if (!notfound && pimpl_->fontlist[i].font() == font)
 753                 return;
 754
 755         bool begin = pos == 0 || notfound ||
 756                 (i > 0 && pimpl_->fontlist[i-1].pos() == pos - 1);
 757         // Is position pos is a beginning of a font block?
 758         bool end = !notfound && pimpl_->fontlist[i].pos() == pos;
 759         // Is position pos is the end of a font block?
 760         if (begin && end) { // A single char block
 761                 if (i + 1 < pimpl_->fontlist.size() &&
 762                     pimpl_->fontlist[i + 1].font() == font) {
 763                         // Merge the singleton block with the next block
 764                         pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
 765                         if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
 766                                 pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i-1);
 767                 } else if (i > 0 && pimpl_->fontlist[i - 1].font() == font) {
 768                         // Merge the singleton block with the previous block
 769                         pimpl_->fontlist[i - 1].pos(pos);
 770                         pimpl_->fontlist.erase(pimpl_->fontlist.begin() + i);
 771                 } else
 772                         pimpl_->fontlist[i].font(font);
 773         } else if (begin) {
 774                 if (i > 0 && pimpl_->fontlist[i - 1].font() == font)
 775                         pimpl_->fontlist[i - 1].pos(pos);
 776                 else
 777                         pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
 778                                         Pimpl::FontTable(pos, font));
 779         } else if (end) {
 780                 pimpl_->fontlist[i].pos(pos - 1);
 781                 if (!(i + 1 < pimpl_->fontlist.size() &&
 782                       pimpl_->fontlist[i + 1].font() == font))
 783                         pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
 784                                         Pimpl::FontTable(pos, font));
 785         } else { // The general case. The block is splitted into 3 blocks
 786                 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i,
 787                                 Pimpl::FontTable(pos - 1, pimpl_->fontlist[i].font()));
 788                 pimpl_->fontlist.insert(pimpl_->fontlist.begin() + i + 1,
 789                                 Pimpl::FontTable(pos, font));
 790         }
 791 }
 792
 793
 794
 795 void Paragraph::next(Paragraph * p)
 796 {
 797         next_ = p;
 798 }
 799
 800
 801 // This function is able to hide closed footnotes.
 802 Paragraph * Paragraph::next()
 803 {
 804         return next_;
 805 }
 806
 807
 808 Paragraph const * Paragraph::next() const
 809 {
 810         return next_;
 811 }
 812
 813
 814 void Paragraph::previous(Paragraph * p)
 815 {
 816         previous_ = p;
 817 }
 818
 819
 820 // This function is able to hide closed footnotes.
 821 Paragraph * Paragraph::previous()
 822 {
 823         return previous_;
 824 }
 825
 826
 827 // This function is able to hide closed footnotes.
 828 Paragraph const * Paragraph::previous() const
 829 {
 830         return previous_;
 831 }
 832
 833
 834 void Paragraph::breakParagraph(BufferParams const & bparams,
 835                                   Paragraph::size_type pos,
 836                                   int flag)
 837 {
 838         // create a new paragraph
 839         Paragraph * tmp = new Paragraph(this);
 840         // remember to set the inset_owner
 841         tmp->setInsetOwner(inInset());
 842
 843         // this is an idea for a more userfriendly layout handling, I will
 844         // see what the users say
 845
 846         // layout stays the same with latex-environments
 847         if (flag) {
 848                 tmp->setOnlyLayout(layout);
 849                 tmp->setLabelWidthString(params().labelWidthString());
 850         }
 851
 852         if (size() > pos || !size() || flag == 2) {
 853                 tmp->setOnlyLayout(layout);
 854                 tmp->params().align(params().align());
 855                 tmp->setLabelWidthString(params().labelWidthString());
 856
 857                 tmp->params().lineBottom(params().lineBottom());
 858                 params().lineBottom(false);
 859                 tmp->params().pagebreakBottom(params().pagebreakBottom());
 860                 params().pagebreakBottom(false);
 861                 tmp->params().spaceBottom(params().spaceBottom());
 862                 params().spaceBottom(VSpace(VSpace::NONE));
 863
 864                 tmp->params().depth(params().depth());
 865                 tmp->params().noindent(params().noindent());
 866
 867                 // copy everything behind the break-position
 868                 // to the new paragraph
 869                 size_type pos_end = pimpl_->size() - 1;
 870                 size_type i = pos;
 871                 size_type j = pos;
 872                 for (; i <= pos_end; ++i) {
 873                         cutIntoMinibuffer(bparams, i);
 874                         if (tmp->insertFromMinibuffer(j - pos))
 875                                 ++j;
 876                 }
 877                 for (i = pos_end; i >= pos; --i) {
 878                         erase(i);
 879                 }
 880         }
 881
 882         // just an idea of me
 883         if (!pos) {
 884                 tmp->params().lineTop(params().lineTop());
 885                 tmp->params().pagebreakTop(params().pagebreakTop());
 886                 tmp->params().spaceTop(params().spaceTop());
 887                 tmp->bibkey = bibkey;
 888                 clear();
 889                 // layout stays the same with latex-environments
 890                 if (flag) {
 891                         setOnlyLayout(tmp->layout);
 892                         setLabelWidthString(tmp->params().labelWidthString());
 893                         params().depth(tmp->params().depth());
 894                 }
 895         }
 896 }
 897
 898
 899 void Paragraph::makeSameLayout(Paragraph const * par)
 900 {
 901         layout = par->layout;
 902         // move to pimpl?
 903         params() = par->params();
 904 }
 905
 906
 907 int Paragraph::stripLeadingSpaces(LyXTextClassList::size_type tclass)
 908 {
 909         if (textclasslist.Style(tclass, getLayout()).free_spacing)
 910                 return 0;
 911
 912         int i = 0;
 913         while (size()
 914                && (isNewline(0) || isLineSeparator(0))){
 915                 erase(0);
 916                 ++i;
 917         }
 918
 919         return i;
 920 }
 921
 922
 923 bool Paragraph::hasSameLayout(Paragraph const * par) const
 924 {
 925         return
 926                 par->layout == layout &&
 927                 params().sameLayout(par->params());
 928 }
 929
 930
 931 void Paragraph::breakParagraphConservative(BufferParams const & bparams,
 932                                            Paragraph::size_type pos)
 933 {
 934         // create a new paragraph
 935         Paragraph * tmp = new Paragraph(this);
 936         tmp->makeSameLayout(this);
 937
 938         // When can pos > Last()?
 939         // I guess pos == Last() is possible.
 940         if (size() > pos) {
 941                 // copy everything behind the break-position to the new
 942                 // paragraph
 943                 size_type pos_end = pimpl_->size() - 1;
 944
 945                 //size_type i = pos;
 946                 //size_type j = pos;
 947                 for (size_type i = pos, j = pos; i <= pos_end; ++i) {
 948                         cutIntoMinibuffer(bparams, i);
 949                         if (tmp->insertFromMinibuffer(j - pos))
 950                                 ++j;
 951                 }
 952
 953                 for (size_type k = pos_end; k >= pos; --k) {
 954                         erase(k);
 955                 }
 956         }
 957 }
 958
 959
 960 // Be carefull, this does not make any check at all.
 961 // This method has wrong name, it combined this par with the next par.
 962 // In that sense it is the reverse of break paragraph. (Lgb)
 963 void Paragraph::pasteParagraph(BufferParams const & bparams)
 964 {
 965         // copy the next paragraph to this one
 966         Paragraph * the_next = next();
 967
 968         // first the DTP-stuff
 969         params().lineBottom(the_next->params().lineBottom());
 970         params().spaceBottom(the_next->params().spaceBottom());
 971         params().pagebreakBottom(the_next->params().pagebreakBottom());
 972
 973         size_type pos_end = the_next->pimpl_->size() - 1;
 974         size_type pos_insert = size();
 975
 976         // ok, now copy the paragraph
 977         for (size_type i = 0, j = 0; i <= pos_end; ++i) {
 978                 the_next->cutIntoMinibuffer(bparams, i);
 979                 if (insertFromMinibuffer(pos_insert + j))
 980                         ++j;
 981         }
 982
 983         // delete the next paragraph
 984         Paragraph * ppar = the_next->previous_;
 985         Paragraph * npar = the_next->next_;
 986         delete the_next;
 987         ppar->next(npar);
 988 }
 989
 990
 991 int Paragraph::getEndLabel(BufferParams const & bparams) const
 992 {
 993         Paragraph const * par = this;
 994         depth_type par_depth = getDepth();
 995         while (par) {
 996                 LyXTextClass::LayoutList::size_type layout = par->getLayout();
 997                 int const endlabeltype =
 998                         textclasslist.Style(bparams.textclass,
 999                                             layout).endlabeltype;
1000                 if (endlabeltype != END_LABEL_NO_LABEL) {
1001                         if (!next_)
1002                                 return endlabeltype;
1003
1004                         depth_type const next_depth = next_->getDepth();
1005                         if (par_depth > next_depth ||
1006                             (par_depth == next_depth
1007                              && layout != next_->getLayout()))
1008                                 return endlabeltype;
1009                         break;
1010                 }
1011                 if (par_depth == 0)
1012                         break;
1013                 par = par->outerHook();
1014                 if (par)
1015                         par_depth = par->getDepth();
1016         }
1017         return END_LABEL_NO_LABEL;
1018 }
1019
1020
1021 Paragraph::depth_type Paragraph::getDepth() const
1022 {
1023         return params().depth();
1024 }
1025
1026
1027 char Paragraph::getAlign() const
1028 {
1029         return params().align();
1030 }
1031
1032
1033 string const & Paragraph::getLabelstring() const
1034 {
1035         return params().labelString();
1036 }
1037
1038
1039 int Paragraph::getFirstCounter(int i) const
1040 {
1041         return pimpl_->counter_[i];
1042 }
1043
1044
1045 // the next two functions are for the manual labels
1046 string const Paragraph::getLabelWidthString() const
1047 {
1048         if (!params().labelWidthString().empty())
1049                 return params().labelWidthString();
1050         else
1051                 return _("Senseless with this layout!");
1052 }
1053
1054
1055 void Paragraph::setLabelWidthString(string const & s)
1056 {
1057         params().labelWidthString(s);
1058 }
1059
1060
1061 void Paragraph::setOnlyLayout(LyXTextClass::size_type new_layout)
1062 {
1063         layout = new_layout;
1064 }
1065
1066
1067 void Paragraph::setLayout(LyXTextClass::size_type new_layout)
1068 {
1069         layout = new_layout;
1070         params().labelWidthString(string());
1071         params().align(LYX_ALIGN_LAYOUT);
1072         params().spaceTop(VSpace(VSpace::NONE));
1073         params().spaceBottom(VSpace(VSpace::NONE));
1074         params().spacing(Spacing(Spacing::Default));
1075 }
1076
1077
1078 // if the layout of a paragraph contains a manual label, the beginning of the
1079 // main body is the beginning of the second word. This is what the par-
1080 // function returns. If the layout does not contain a label, the main
1081 // body always starts with position 0. This differentiation is necessary,
1082 // because there cannot be a newline or a blank <= the beginning of the
1083 // main body in TeX.
1084
1085 int Paragraph::beginningOfMainBody() const
1086 {
1087         // Unroll the first two cycles of the loop
1088         // and remember the previous character to
1089         // remove unnecessary GetChar() calls
1090         size_type i = 0;
1091         if (i < size()
1092             && getChar(i) != Paragraph::META_NEWLINE) {
1093                 ++i;
1094                 char previous_char = 0;
1095                 char temp = 0;
1096                 if (i < size()
1097                     && (previous_char = getChar(i)) != Paragraph::META_NEWLINE) {
1098                         // Yes, this  ^ is supposed to be "= " not "=="
1099                         ++i;
1100                         while (i < size()
1101                                && previous_char != ' '
1102                                && (temp = getChar(i)) != Paragraph::META_NEWLINE) {
1103                                 ++i;
1104                                 previous_char = temp;
1105                         }
1106                 }
1107         }
1108
1109         return i;
1110 }
1111
1112
1113 Paragraph * Paragraph::depthHook(depth_type depth)
1114 {
1115         Paragraph * newpar = this;
1116
1117         do {
1118                 newpar = newpar->previous();
1119         } while (newpar && newpar->getDepth() > depth);
1120
1121         if (!newpar) {
1122                 if (previous() || getDepth())
1123                         lyxerr << "ERROR (Paragraph::DepthHook): "
1124                                 "no hook." << endl;
1125                 newpar = this;
1126         }
1127
1128         return newpar;
1129 }
1130
1131
1132 Paragraph const * Paragraph::depthHook(depth_type depth) const
1133 {
1134         Paragraph const * newpar = this;
1135
1136         do {
1137                 newpar = newpar->previous();
1138         } while (newpar && newpar->getDepth() > depth);
1139
1140         if (!newpar) {
1141                 if (previous() || getDepth())
1142                         lyxerr << "ERROR (Paragraph::DepthHook): "
1143                                 "no hook." << endl;
1144                 newpar = this;
1145         }
1146
1147         return newpar;
1148 }
1149
1150 Paragraph * Paragraph::outerHook()
1151 {
1152         if(!getDepth())
1153                 return 0;
1154         return depthHook(depth_type(getDepth() - 1));
1155 }
1156
1157 Paragraph const * Paragraph::outerHook() const
1158 {
1159         if(!getDepth())
1160                 return 0;
1161         return depthHook(depth_type(getDepth() - 1));
1162 }
1163
1164 int Paragraph::autoDeleteInsets()
1165 {
1166         int count = 0;
1167         InsetList::size_type index = 0;
1168         while (index < insetlist.size()) {
1169                 if (insetlist[index].inset && insetlist[index].inset->autoDelete()) {
1170                         erase(insetlist[index].pos);
1171                         // Erase() calls to insetlist.erase(&insetlist[index])
1172                         // so index shouldn't be increased.
1173                         ++count;
1174                 } else
1175                         ++index;
1176         }
1177         return count;
1178 }
1179
1180
1181 Paragraph::inset_iterator
1182 Paragraph::InsetIterator(Paragraph::size_type pos)
1183 {
1184         InsetTable search_inset(pos, 0);
1185         InsetList::iterator it = lower_bound(insetlist.begin(),
1186                                              insetlist.end(),
1187                                              search_inset, Pimpl::matchIT());
1188         return inset_iterator(it);
1189 }
1190
1191
1192 // returns -1 if inset not found
1193 int Paragraph::getPositionOfInset(Inset * inset) const
1194 {
1195         // Find the entry.
1196         for (InsetList::const_iterator cit = insetlist.begin();
1197              cit != insetlist.end(); ++cit) {
1198                 if (cit->inset == inset) {
1199                         return cit->pos;
1200                 }
1201         }
1202         if (inset == bibkey)
1203                 return 0;
1204
1205         return -1;
1206 }
1207
1208
1209 Paragraph * Paragraph::TeXOnePar(Buffer const * buf,
1210                                        BufferParams const & bparams,
1211                                        ostream & os, TexRow & texrow,
1212                                        bool moving_arg)
1213 {
1214         lyxerr[Debug::LATEX] << "TeXOnePar...     " << this << endl;
1215         LyXLayout const & style =
1216                 textclasslist.Style(bparams.textclass,
1217                                     layout);
1218
1219         bool further_blank_line = false;
1220
1221         if (params().startOfAppendix()) {
1222                 os << "\\appendix\n";
1223                 texrow.newline();
1224         }
1225
1226         if (!params().spacing().isDefault()
1227             && (!previous() || !previous()->hasSameLayout(this))) {
1228                 os << params().spacing().writeEnvirBegin() << "\n";
1229                 texrow.newline();
1230         }
1231
1232         if (tex_code_break_column && style.isCommand()){
1233                 os << '\n';
1234                 texrow.newline();
1235         }
1236
1237         if (params().pagebreakTop()) {
1238                 os << "\\newpage";
1239                 further_blank_line = true;
1240         }
1241         if (params().spaceTop().kind() != VSpace::NONE) {
1242                 os << params().spaceTop().asLatexCommand(bparams);
1243                 further_blank_line = true;
1244         }
1245
1246         if (params().lineTop()) {
1247                 os << "\\lyxline{\\" << getFont(bparams, 0).latexSize() << '}'
1248                    << "\\vspace{-1\\parskip}";
1249                 further_blank_line = true;
1250         }
1251
1252         if (further_blank_line){
1253                 os << '\n';
1254                 texrow.newline();
1255         }
1256
1257         Language const * language = getParLanguage(bparams);
1258         Language const * doc_language = bparams.language;
1259         Language const * previous_language = previous_
1260                 ? previous_->getParLanguage(bparams) : doc_language;
1261         if (language == ignore_language || language == inherit_language)
1262                 lyxerr << "1:" << language->lang() << endl;
1263         if (language->babel() != doc_language->babel() &&
1264             language->babel() != previous_language->babel()) {
1265                 os << subst(lyxrc.language_command_begin, "$$lang",
1266                             language->babel())
1267                    << endl;
1268                 texrow.newline();
1269         }
1270
1271         if (bparams.inputenc == "auto" &&
1272             language->encoding() != previous_language->encoding())
1273         {
1274                 os << "\\inputencoding{"
1275                    << language->encoding()->LatexName()
1276                    << "}" << endl;
1277                 texrow.newline();
1278         }
1279
1280         switch (style.latextype) {
1281         case LATEX_COMMAND:
1282                 os << '\\'
1283                    << style.latexname()
1284                    << style.latexparam();
1285                 break;
1286         case LATEX_ITEM_ENVIRONMENT:
1287                 if (bibkey) {
1288                         bibkey->latex(buf, os, false, false);
1289                 } else
1290                         os << "\\item ";
1291                 break;
1292         case LATEX_LIST_ENVIRONMENT:
1293                 os << "\\item ";
1294                 break;
1295         default:
1296                 break;
1297         }
1298
1299         bool need_par = simpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
1300
1301         // Make sure that \\par is done with the font of the last
1302         // character if this has another size as the default.
1303         // This is necessary because LaTeX (and LyX on the screen)
1304         // calculates the space between the baselines according
1305         // to this font. (Matthias)
1306         //
1307         // Is this really needed ? (Dekel)
1308         // We do not need to use to change the font for the last paragraph
1309         // or for a command.
1310         LyXFont font = getFont(bparams, size() - 1);
1311
1312         bool is_command = textclasslist.Style(bparams.textclass,
1313                                               getLayout()).isCommand();
1314         if (style.resfont.size() != font.size() && next_ && !is_command) {
1315                 if (!need_par)
1316                         os << "{";
1317                 os << "\\" << font.latexSize() << " \\par}";
1318         } else if (need_par) {
1319                 os << "\\par}";
1320         } else if (is_command)
1321                 os << "}";
1322
1323         if (language->babel() != doc_language->babel() &&
1324             (!next_ ||
1325              next_->getParLanguage(bparams)->babel() != language->babel()))
1326         {
1327                 os << endl
1328                    << subst(lyxrc.language_command_end, "$$lang",
1329                             doc_language->babel());
1330         }
1331
1332         switch (style.latextype) {
1333         case LATEX_ITEM_ENVIRONMENT:
1334         case LATEX_LIST_ENVIRONMENT:
1335                 if (next_ && (params().depth() < next_->params().depth())) {
1336                         os << '\n';
1337                         texrow.newline();
1338                 }
1339                 break;
1340         case LATEX_ENVIRONMENT:
1341                 // if its the last paragraph of the current environment
1342                 // skip it otherwise fall through
1343                 if (next_
1344                     && (next_->layout != layout
1345                         || next_->params().depth() != params().depth()))
1346                         break;
1347         default:
1348                 // we don't need it for the last paragraph!!!
1349                 // or for tables in floats
1350                 //   -- effectively creates a \par where there isn't one which
1351                 //      breaks a \subfigure or \subtable.
1352                 if (next_) {
1353                         os << '\n';
1354                         texrow.newline();
1355                 }
1356         }
1357
1358         further_blank_line = false;
1359         if (params().lineBottom()) {
1360                 os << "\\lyxline{\\" << getFont(bparams,
1361                                                 size() - 1).latexSize() << '}';
1362                 further_blank_line = true;
1363         }
1364
1365         if (params().spaceBottom().kind() != VSpace::NONE) {
1366                 os << params().spaceBottom().asLatexCommand(bparams);
1367                 further_blank_line = true;
1368         }
1369
1370         if (params().pagebreakBottom()) {
1371                 os << "\\newpage";
1372                 further_blank_line = true;
1373         }
1374
1375         if (further_blank_line){
1376                 os << '\n';
1377                 texrow.newline();
1378         }
1379
1380         if (!params().spacing().isDefault()
1381             && (!next_ || !next_->hasSameLayout(this))) {
1382                 os << params().spacing().writeEnvirEnd() << "\n";
1383                 texrow.newline();
1384         }
1385
1386         // we don't need it for the last paragraph!!!
1387         if (next_) {
1388                 os << '\n';
1389                 texrow.newline();
1390         }
1391
1392         lyxerr[Debug::LATEX] << "TeXOnePar...done " << next_ << endl;
1393         return next_;
1394 }
1395
1396
1397 // This one spits out the text of the paragraph
1398 bool Paragraph::simpleTeXOnePar(Buffer const * buf,
1399                                    BufferParams const & bparams,
1400                                    ostream & os, TexRow & texrow,
1401                                    bool moving_arg)
1402 {
1403         lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;
1404
1405         bool return_value = false;
1406
1407         LyXLayout const & style =
1408                 textclasslist.Style(bparams.textclass,
1409                                     getLayout());
1410         LyXFont basefont;
1411
1412         // Maybe we have to create a optional argument.
1413         size_type main_body;
1414         if (style.labeltype != LABEL_MANUAL)
1415                 main_body = 0;
1416         else
1417                 main_body = beginningOfMainBody();
1418
1419         int column = 0;
1420
1421         if (main_body > 0) {
1422                 os << '[';
1423                 ++column;
1424                 basefont = getFont(bparams, -2); // Get label font
1425         } else {
1426                 basefont = getFont(bparams, -1); // Get layout font
1427         }
1428
1429         if (main_body >= 0
1430             && !pimpl_->size()) {
1431                 if (style.isCommand()) {
1432                         os << '{';
1433                         ++column;
1434                 }
1435         }
1436
1437         moving_arg |= style.needprotect;
1438
1439         // Which font is currently active?
1440         LyXFont running_font(basefont);
1441         // Do we have an open font change?
1442         bool open_font = false;
1443
1444         texrow.start(this, 0);
1445
1446         for (size_type i = 0; i < size(); ++i) {
1447                 ++column;
1448                 // First char in paragraph or after label?
1449                 if (i == main_body) {
1450                         if (main_body > 0) {
1451                                 if (open_font) {
1452                                         column += running_font.latexWriteEndChanges(os, basefont, basefont);
1453                                         open_font = false;
1454                                 }
1455                                 basefont = getFont(bparams, -1); // Now use the layout font
1456                                 running_font = basefont;
1457                                 os << ']';
1458                                 ++column;
1459                         }
1460                         if (style.isCommand()) {
1461                                 os << '{';
1462                                 ++column;
1463                         }
1464
1465                         if (params().noindent()) {
1466                                 os << "\\noindent ";
1467                                 column += 10;
1468                         }
1469                         switch (params().align()) {
1470                         case LYX_ALIGN_NONE:
1471                         case LYX_ALIGN_BLOCK:
1472                         case LYX_ALIGN_LAYOUT:
1473                         case LYX_ALIGN_SPECIAL:
1474                                 break;
1475                         case LYX_ALIGN_LEFT:
1476                                 if (getParLanguage(bparams)->babel() != "hebrew") {
1477                                         os << "\\begin{flushleft}";
1478                                         column+= 17;
1479                                 } else {
1480                                         os << "\\begin{flushright}";
1481                                         column+= 18;
1482                                 }
1483                                 break;
1484                         case LYX_ALIGN_RIGHT:
1485                                 if (getParLanguage(bparams)->babel() != "hebrew") {
1486                                         os << "\\begin{flushright}";
1487                                         column+= 18;
1488                                 } else {
1489                                         os << "\\begin{flushleft}";
1490                                         column+= 17;
1491                                 }
1492                                 break;
1493                         case LYX_ALIGN_CENTER:
1494                                 os << "\\begin{center}";
1495                                 column+= 14;
1496                                 break;
1497                         }
1498                 }
1499
1500                 value_type c = getChar(i);
1501
1502                 // Fully instantiated font
1503                 LyXFont font = getFont(bparams, i);
1504
1505                 LyXFont last_font = running_font;
1506
1507                 // Spaces at end of font change are simulated to be
1508                 // outside font change, i.e. we write "\textXX{text} "
1509                 // rather than "\textXX{text }". (Asger)
1510                 if (open_font && c == ' ' && i <= size() - 2
1511                     && !getFont(bparams, i + 1).equalExceptLatex(running_font)
1512                     && !getFont(bparams, i + 1).equalExceptLatex(font)) {
1513                         font = getFont(bparams, i + 1);
1514                 }
1515                 // We end font definition before blanks
1516                 if (!font.equalExceptLatex(running_font) && open_font) {
1517                         column += running_font.latexWriteEndChanges(os,
1518                                                                     basefont,
1519                                                                     (i == main_body-1) ? basefont : font);
1520                         running_font = basefont;
1521                         open_font = false;
1522                 }
1523
1524                 // Blanks are printed before start of fontswitch
1525                 if (c == ' ') {
1526                         // Do not print the separation of the optional argument
1527                         if (i != main_body - 1) {
1528                                 pimpl_->simpleTeXBlanks(os, texrow, i,
1529                                                        column, font, style);
1530                         }
1531                 }
1532
1533                 // Do we need to change font?
1534                 if (!font.equalExceptLatex(running_font)
1535                     && i != main_body-1) {
1536                         column += font.latexWriteStartChanges(os, basefont,
1537                                                               last_font);
1538                         running_font = font;
1539                         open_font = true;
1540                 }
1541
1542                 if (c == Paragraph::META_NEWLINE) {
1543                         // newlines are handled differently here than
1544                         // the default in SimpleTeXSpecialChars().
1545                         if (!style.newline_allowed
1546 #ifndef NO_LATEX
1547                             || font.latex() == LyXFont::ON
1548 #endif
1549                                 ) {
1550                                 os << '\n';
1551                         } else {
1552                                 if (open_font) {
1553                                         column += running_font.latexWriteEndChanges(os, basefont, basefont);
1554                                         open_font = false;
1555                                 }
1556                                 basefont = getFont(bparams, -1);
1557                                 running_font = basefont;
1558                                 if (font.family() ==
1559                                     LyXFont::TYPEWRITER_FAMILY) {
1560                                         os << "~";
1561                                 }
1562                                 if (moving_arg)
1563                                         os << "\\protect ";
1564                                 os << "\\\\\n";
1565                         }
1566                         texrow.newline();
1567                         texrow.start(this, i + 1);
1568                         column = 0;
1569                 } else {
1570                         pimpl_->simpleTeXSpecialChars(buf, bparams,
1571                                                       os, texrow, moving_arg,
1572                                                       font, running_font,
1573                                                       basefont, open_font,
1574                                                       style, i, column, c);
1575                 }
1576         }
1577
1578         // If we have an open font definition, we have to close it
1579         if (open_font) {
1580 #ifdef FIXED_LANGUAGE_END_DETECTION
1581                 if (next_) {
1582                         running_font
1583                                 .latexWriteEndChanges(os, basefont,
1584                                                       next_->getFont(bparams,
1585                                                       0));
1586                 } else {
1587                         running_font.latexWriteEndChanges(os, basefont,
1588                                                           basefont);
1589                 }
1590 #else
1591 #ifdef WITH_WARNINGS
1592 #warning For now we ALWAYS have to close the foreign font settings if they are
1593 #warning there as we start another \selectlanguage with the next paragraph if
1594 #warning we are in need of this. This should be fixed sometime (Jug)
1595 #endif
1596                 running_font.latexWriteEndChanges(os, basefont,  basefont);
1597 #endif
1598         }
1599
1600         // Needed if there is an optional argument but no contents.
1601         if (main_body > 0 && main_body == size()) {
1602                 os << "]~";
1603                 return_value = false;
1604         }
1605
1606         switch (params().align()) {
1607         case LYX_ALIGN_NONE:
1608         case LYX_ALIGN_BLOCK:
1609         case LYX_ALIGN_LAYOUT:
1610         case LYX_ALIGN_SPECIAL:
1611                 break;
1612         case LYX_ALIGN_LEFT:
1613                 if (getParLanguage(bparams)->babel() != "hebrew") {
1614                         os << "\\end{flushleft}";
1615                         column+= 15;
1616                 } else {
1617                         os << "\\end{flushright}";
1618                         column+= 16;
1619                 }
1620                 break;
1621         case LYX_ALIGN_RIGHT:
1622                 if (getParLanguage(bparams)->babel() != "hebrew") {
1623                         os << "\\end{flushright}";
1624                         column+= 16;
1625                 } else {
1626                         os << "\\end{flushleft}";
1627                         column+= 15;
1628                 }
1629                 break;
1630         case LYX_ALIGN_CENTER:
1631                 os << "\\end{center}";
1632                 column+= 12;
1633                 break;
1634         }
1635
1636         lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
1637         return return_value;
1638 }
1639
1640
1641 bool Paragraph::linuxDocConvertChar(char c, string & sgml_string)
1642 {
1643         bool retval = false;
1644         switch (c) {
1645         case Paragraph::META_HFILL:
1646                 sgml_string.erase();
1647                 break;
1648         case Paragraph::META_NEWLINE:
1649                 sgml_string = '\n';
1650                 break;
1651         case '&':
1652                 sgml_string = "&amp;";
1653                 break;
1654         case '<':
1655                 sgml_string = "&lt;";
1656                 break;
1657         case '>':
1658                 sgml_string = "&gt;";
1659                 break;
1660         case '$':
1661                 sgml_string = "&dollar;";
1662                 break;
1663         case '#':
1664                 sgml_string = "&num;";
1665                 break;
1666         case '%':
1667                 sgml_string = "&percnt;";
1668                 break;
1669         case '[':
1670                 sgml_string = "&lsqb;";
1671                 break;
1672         case ']':
1673                 sgml_string = "&rsqb;";
1674                 break;
1675         case '{':
1676                 sgml_string = "&lcub;";
1677                 break;
1678         case '}':
1679                 sgml_string = "&rcub;";
1680                 break;
1681         case '~':
1682                 sgml_string = "&tilde;";
1683                 break;
1684         case '"':
1685                 sgml_string = "&quot;";
1686                 break;
1687         case '\\':
1688                 sgml_string = "&bsol;";
1689                 break;
1690         case ' ':
1691                 retval = true;
1692                 sgml_string = ' ';
1693                 break;
1694         case '\0': // Ignore :-)
1695                 sgml_string.erase();
1696                 break;
1697         default:
1698                 sgml_string = c;
1699                 break;
1700         }
1701         return retval;
1702 }
1703
1704
1705 Paragraph * Paragraph::TeXEnvironment(Buffer const * buf,
1706                                             BufferParams const & bparams,
1707                                             ostream & os, TexRow & texrow)
1708 {
1709         lyxerr[Debug::LATEX] << "TeXEnvironment...     " << this << endl;
1710
1711         LyXLayout const & style =
1712                 textclasslist.Style(bparams.textclass,
1713                                     layout);
1714
1715         if (style.isEnvironment()){
1716                 if (style.latextype == LATEX_LIST_ENVIRONMENT) {
1717                         os << "\\begin{" << style.latexname() << "}{"
1718                            << params().labelWidthString() << "}\n";
1719                 } else if (style.labeltype == LABEL_BIBLIO) {
1720                         // ale970405
1721                         os << "\\begin{" << style.latexname() << "}{"
1722                            <<  bibitemWidest(buf)
1723                            << "}\n";
1724                 } else if (style.latextype == LATEX_ITEM_ENVIRONMENT) {
1725                         os << "\\begin{" << style.latexname() << '}'
1726                            << style.latexparam() << '\n';
1727                 } else
1728                         os << "\\begin{" << style.latexname() << '}'
1729                            << style.latexparam() << '\n';
1730                 texrow.newline();
1731         }
1732         Paragraph * par = this;
1733         do {
1734                 par = par->TeXOnePar(buf, bparams,
1735                                      os, texrow, false);
1736
1737                 if (par && par->params().depth() > params().depth()) {
1738                         if (textclasslist.Style(bparams.textclass,
1739                                                 par->layout).isParagraph()
1740                             // Thinko!
1741                             // How to handle this? (Lgb)
1742                             //&& !suffixIs(os, "\n\n")
1743                                 ) {
1744                                 // There should be at least one '\n' already
1745                                 // but we need there to be two for Standard
1746                                 // paragraphs that are depth-increment'ed to be
1747                                 // output correctly.  However, tables can
1748                                 // also be paragraphs so don't adjust them.
1749                                 // ARRae
1750                                 // Thinkee:
1751                                 // Will it ever harm to have one '\n' too
1752                                 // many? i.e. that we sometimes will have
1753                                 // three in a row. (Lgb)
1754                                 os << '\n';
1755                                 texrow.newline();
1756                         }
1757                         par = par->pimpl_->TeXDeeper(buf, bparams, os, texrow);
1758                 }
1759         } while (par
1760                  && par->layout == layout
1761                  && par->params().depth() == params().depth());
1762
1763         if (style.isEnvironment()) {
1764                 os << "\\end{" << style.latexname() << "}\n";
1765         }
1766
1767         lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
1768         return par;  // ale970302
1769 }
1770
1771
1772 bool Paragraph::isHfill(size_type pos) const
1773 {
1774         return IsHfillChar(getChar(pos));
1775 }
1776
1777
1778 bool Paragraph::isInset(size_type pos) const
1779 {
1780         return IsInsetChar(getChar(pos));
1781 }
1782
1783
1784 bool Paragraph::isNewline(size_type pos) const
1785 {
1786         return pos >= 0 && IsNewlineChar(getChar(pos));
1787 }
1788
1789
1790 bool Paragraph::isSeparator(size_type pos) const
1791 {
1792         return IsSeparatorChar(getChar(pos));
1793 }
1794
1795
1796 bool Paragraph::isLineSeparator(size_type pos) const
1797 {
1798         return IsLineSeparatorChar(getChar(pos));
1799 }
1800
1801
1802 bool Paragraph::isKomma(size_type pos) const
1803 {
1804         return IsKommaChar(getChar(pos));
1805 }
1806
1807
1808 /// Used by the spellchecker
1809 bool Paragraph::isLetter(Paragraph::size_type pos) const
1810 {
1811         value_type const c = getChar(pos);
1812         if (IsLetterChar(c))
1813                 return true;
1814         // '\0' is not a letter, allthough every string contains "" (below)
1815         if (c == '\0')
1816                 return false;
1817         // We want to pass the ' and escape chars to ispell
1818         string const extra = lyxrc.isp_esc_chars + '\'';
1819         char ch[2] = { c, 0 };
1820         return contains(extra, ch);
1821 }
1822
1823
1824 bool Paragraph::isWord(size_type pos ) const
1825 {
1826         return IsWordChar(getChar(pos)) ;
1827 }
1828
1829
1830 Language const *
1831 Paragraph::getParLanguage(BufferParams const & bparams) const
1832 {
1833         if (size() > 0) {
1834                 Language const * lang = getFirstFontSettings().language();
1835 #warning We should make this somewhat better, any ideas? (Jug)
1836                 if (lang == inherit_language || lang == ignore_language)
1837                         lang = bparams.language;
1838                 return lang;
1839         } else if (previous_)
1840                 return previous_->getParLanguage(bparams);
1841         else
1842                 return bparams.language;
1843 }
1844
1845
1846 bool Paragraph::isRightToLeftPar(BufferParams const & bparams) const
1847 {
1848         return lyxrc.rtl_support
1849                 && getParLanguage(bparams)->RightToLeft();
1850 }
1851
1852
1853 void Paragraph::changeLanguage(BufferParams const & bparams,
1854                                   Language const * from, Language const * to)
1855 {
1856         for (size_type i = 0; i < size(); ++i) {
1857                 LyXFont font = getFontSettings(bparams, i);
1858                 if (font.language() == from) {
1859                         font.setLanguage(to);
1860                         setFont(i, font);
1861                 }
1862         }
1863 }
1864
1865
1866 bool Paragraph::isMultiLingual(BufferParams const & bparams)
1867 {
1868         Language const * doc_language = bparams.language;
1869         for (Pimpl::FontList::const_iterator cit = pimpl_->fontlist.begin();
1870              cit != pimpl_->fontlist.end(); ++cit)
1871                 if (cit->font().language() != inherit_language &&
1872                         cit->font().language() != ignore_language &&
1873                         cit->font().language() != doc_language)
1874                         return true;
1875         return false;
1876 }
1877
1878
1879 // Convert the paragraph to a string.
1880 // Used for building the table of contents
1881 string const Paragraph::asString(Buffer const * buffer, bool label)
1882 {
1883         BufferParams const & bparams = buffer->params;
1884         string s;
1885         if (label && !params().labelString().empty())
1886                 s += params().labelString() + ' ';
1887         string::size_type const len = s.size();
1888
1889         for (Paragraph::size_type i = 0; i < size(); ++i) {
1890                 value_type c = getChar(i);
1891                 if (IsPrintable(c))
1892                         s += c;
1893                 else if (c == META_INSET &&
1894                          getInset(i)->lyxCode() == Inset::MATH_CODE) {
1895                         ostringstream ost;
1896                         getInset(i)->ascii(buffer, ost);
1897                         s += subst(ost.str().c_str(),'\n',' ');
1898                 }
1899         }
1900
1901         if (isRightToLeftPar(bparams))
1902                 reverse(s.begin() + len,s.end());
1903
1904         return s;
1905 }
1906
1907
1908 string const Paragraph::asString(Buffer const * buffer,
1909                             Paragraph::size_type beg,
1910                             Paragraph::size_type end)
1911 {
1912         ostringstream ost;
1913
1914         if (beg == 0 && !params().labelString().empty())
1915                 ost << params().labelString() << ' ';
1916
1917         for (Paragraph::size_type i = beg; i < end; ++i) {
1918                 value_type const c = getUChar(buffer->params, i);
1919                 if (IsPrintable(c))
1920                         ost << c;
1921                 else if (c == META_INSET) {
1922                         getInset(i)->ascii(buffer, ost);
1923                 }
1924         }
1925
1926         return ost.str().c_str();
1927 }
1928
1929
1930 void Paragraph::setInsetOwner(Inset * i)
1931 {
1932         pimpl_->inset_owner = i;
1933         for (InsetList::const_iterator cit = insetlist.begin();
1934              cit != insetlist.end(); ++cit) {
1935                 if (cit->inset)
1936                         cit->inset->setOwner(i);
1937         }
1938 }
1939
1940
1941 void Paragraph::deleteInsetsLyXText(BufferView * bv)
1942 {
1943         // then the insets
1944         for (InsetList::const_iterator cit = insetlist.begin();
1945              cit != insetlist.end(); ++cit) {
1946                 if (cit->inset) {
1947                         if (cit->inset->isTextInset()) {
1948                                 static_cast<UpdatableInset *>
1949                                         (cit->inset)->deleteLyXText(bv, true);
1950                         }
1951                 }
1952         }
1953 }
1954
1955
1956 void Paragraph::resizeInsetsLyXText(BufferView * bv)
1957 {
1958         // then the insets
1959         for (InsetList::const_iterator cit = insetlist.begin();
1960              cit != insetlist.end(); ++cit) {
1961                 if (cit->inset) {
1962                         if (cit->inset->isTextInset()) {
1963                                 static_cast<UpdatableInset *>
1964                                         (cit->inset)->resizeLyXText(bv, true);
1965                         }
1966                 }
1967         }
1968 }
1969
1970
1971 void Paragraph::setContentsFromPar(Paragraph * par)
1972 {
1973         pimpl_->setContentsFromPar(par);
1974 }
1975
1976
1977 Paragraph::size_type Paragraph::size() const
1978 {
1979         return pimpl_->size();
1980 }
1981
1982
1983 Paragraph::value_type
1984 Paragraph::getChar(Paragraph::size_type pos) const
1985 {
1986         return pimpl_->getChar(pos);
1987 }
1988
1989
1990 int Paragraph::id() const
1991 {
1992         return pimpl_->id_;
1993 }
1994
1995
1996 void  Paragraph::id(int id_arg)
1997 {
1998         pimpl_->id_ = id_arg;
1999 }
2000
2001
2002 LyXTextClass::LayoutList::size_type Paragraph::getLayout() const
2003 {
2004         return layout;
2005 }
2006
2007
2008 bool Paragraph::isFirstInSequence() const
2009 {
2010         Paragraph const * dhook = depthHook(getDepth());
2011         return (dhook == this
2012                 || dhook->getLayout() != getLayout()
2013                 || dhook->getDepth() != getDepth());
2014 }
2015
2016
2017 Inset * Paragraph::inInset() const
2018 {
2019         return pimpl_->inset_owner;
2020 }
2021
2022
2023 void Paragraph::clearContents()
2024 {
2025         pimpl_->clear();
2026 }
2027
2028
2029 void Paragraph::setCounter(int i, int v)
2030 {
2031         pimpl_->counter_[i] = v;
2032 }
2033
2034
2035 int Paragraph::getCounter(int i) const
2036 {
2037         return pimpl_->counter_[i];
2038 }
2039
2040
2041 void Paragraph::incCounter(int i)
2042 {
2043         pimpl_->counter_[i]++;
2044 }
2045
2046
2047 void Paragraph::setChar(size_type pos, value_type c)
2048 {
2049         pimpl_->setChar(pos, c);
2050 }
2051
2052
2053 Paragraph::inset_iterator::inset_iterator(Paragraph::InsetList::iterator const & iter)
2054  : it(iter)
2055 {}
2056
2057
2058 Paragraph::inset_iterator Paragraph::inset_iterator_begin()
2059 {
2060         return inset_iterator(insetlist.begin());
2061 }
2062
2063
2064 Paragraph::inset_iterator Paragraph::inset_iterator_end()
2065 {
2066         return inset_iterator(insetlist.end());
2067 }
2068
2069
2070 ParagraphParameters & Paragraph::params()
2071 {
2072         return pimpl_->params;
2073 }
2074
2075
2076 ParagraphParameters const & Paragraph::params() const
2077 {
2078         return pimpl_->params;
2079 }
2080
2081
2082 Paragraph * Paragraph::getParFromID(int id) const
2083 {
2084         return pimpl_->getParFromID(id);
2085 }