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