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();
 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 *>(bibkey->Clone());
1614         else
1615                 result->bibkey = 0;
1616
1617         // copy everything behind the break-position to the new paragraph
1618
1619         result->text = text;
1620         result->fontlist = fontlist;
1621         result->insetlist = insetlist;
1622         for (InsetList::iterator it = result->insetlist.begin();
1623              it != result->insetlist.end(); ++it)
1624                 (*it).inset = (*it).inset->Clone();
1625         return result;
1626 }
1627
1628
1629 bool LyXParagraph::HasSameLayout(LyXParagraph const * par) const
1630 {
1631 #ifndef NEW_INSETS
1632         par = par->FirstPhysicalPar();
1633 #endif
1634
1635         return (
1636 #ifndef NEW_INSETS
1637                 par->footnoteflag == footnoteflag &&
1638                 par->footnotekind == footnotekind &&
1639 #endif
1640                 par->layout == layout &&
1641
1642                 par->align == align &&
1643
1644                 par->line_bottom == line_bottom &&
1645                 par->pagebreak_bottom == pagebreak_bottom &&
1646                 par->added_space_bottom == added_space_bottom &&
1647
1648                 par->line_top == line_top &&
1649                 par->pagebreak_top == pagebreak_top &&
1650                 par->added_space_top == added_space_top &&
1651
1652                 par->spacing == spacing &&
1653
1654                 par->pextra_type == pextra_type &&
1655                 par->pextra_width == pextra_width &&
1656                 par->pextra_widthp == pextra_widthp &&
1657                 par->pextra_alignment == pextra_alignment &&
1658                 par->pextra_hfill == pextra_hfill &&
1659                 par->pextra_start_minipage == pextra_start_minipage &&
1660                 par->noindent == noindent &&
1661                 par->depth == depth);
1662 }
1663
1664
1665 void LyXParagraph::BreakParagraphConservative(BufferParams const & bparams,
1666                                               LyXParagraph::size_type pos)
1667 {
1668 #ifndef NEW_INSETS
1669         // create a new paragraph
1670         LyXParagraph * par = ParFromPos(pos);
1671
1672         LyXParagraph * tmp = new LyXParagraph(par);
1673
1674         tmp->MakeSameLayout(par);
1675
1676         // When can pos < Last()?
1677         // I guess pos == Last() is possible.
1678         if (Last() > pos) {
1679                 // copy everything behind the break-position to the new
1680                 // paragraph
1681                 size_type pos_first = 0;
1682                 while (ParFromPos(pos_first) != par)
1683                         ++pos_first;
1684                 size_type pos_end = pos_first + par->text.size() - 1;
1685
1686                 size_type i, j;
1687                 for (i = j = pos; i <= pos_end; ++i) {
1688                         par->CutIntoMinibuffer(bparams, i - pos_first);
1689                         if (tmp->InsertFromMinibuffer(j - pos))
1690                                 ++j;
1691                 }
1692                 tmp->text.resize(tmp->text.size());
1693                 for (size_type i = pos_end; i >= pos; --i)
1694                         par->Erase(i - pos_first);
1695
1696                 par->text.resize(par->text.size());
1697         }
1698 #else
1699         // create a new paragraph
1700         LyXParagraph * tmp = new LyXParagraph(this);
1701         tmp->MakeSameLayout(this);
1702
1703         // When can pos > Last()?
1704         // I guess pos == Last() is possible.
1705         if (Last() > pos) {
1706                 // copy everything behind the break-position to the new
1707                 // paragraph
1708                 size_type pos_end = text.size() - 1;
1709
1710                 size_type i, j;
1711                 for (i = j = pos; i <= pos_end; ++i) {
1712                         CutIntoMinibuffer(bparams, i);
1713                         if (tmp->InsertFromMinibuffer(j - pos))
1714                                 ++j;
1715                 }
1716
1717                 tmp->fitToSize();
1718
1719                 for (size_type i = pos_end; i >= pos; --i)
1720                         Erase(i);
1721
1722                 fitToSize();
1723         }
1724 #endif
1725 }
1726
1727
1728 // Be carefull, this does not make any check at all.
1729 // This method has wrong name, it combined this par with the next par.
1730 // In that sense it is the reverse of break paragraph. (Lgb)
1731 void LyXParagraph::PasteParagraph(BufferParams const & bparams)
1732 {
1733         // copy the next paragraph to this one
1734         LyXParagraph * the_next = Next();
1735 #ifndef NEW_INSETS
1736         LyXParagraph * firstpar = FirstPhysicalPar();
1737 #endif
1738
1739         // first the DTP-stuff
1740 #ifndef NEW_INSETS
1741         firstpar->line_bottom = the_next->line_bottom;
1742         firstpar->added_space_bottom = the_next->added_space_bottom;
1743         firstpar->pagebreak_bottom = the_next->pagebreak_bottom;
1744 #else
1745         line_bottom = the_next->line_bottom;
1746         added_space_bottom = the_next->added_space_bottom;
1747         pagebreak_bottom = the_next->pagebreak_bottom;
1748 #endif
1749
1750         size_type pos_end = the_next->text.size() - 1;
1751         size_type pos_insert = Last();
1752
1753         // ok, now copy the paragraph
1754         size_type i, j;
1755         for (i = j = 0; i <= pos_end; ++i) {
1756                 the_next->CutIntoMinibuffer(bparams, i);
1757                 if (InsertFromMinibuffer(pos_insert + j))
1758                         ++j;
1759         }
1760
1761         // delete the next paragraph
1762         LyXParagraph * ppar = the_next->previous;
1763         LyXParagraph * npar = the_next->next;
1764         delete the_next;
1765         ppar->next = npar;
1766 }
1767
1768
1769 #ifndef NEW_INSETS
1770 void LyXParagraph::OpenFootnote(LyXParagraph::size_type pos)
1771 {
1772         LyXParagraph * par = ParFromPos(pos);
1773         par = par->next;
1774         while (par && par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
1775                 par->footnoteflag = LyXParagraph::OPEN_FOOTNOTE;
1776                 par = par->next;
1777         }
1778 }
1779
1780
1781 void LyXParagraph::CloseFootnote(LyXParagraph::size_type pos)
1782 {
1783         LyXParagraph * par = ParFromPos(pos);
1784         par = par->next;
1785         while (par && par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE) {
1786                 par->footnoteflag = LyXParagraph::CLOSED_FOOTNOTE;
1787                 par = par->next;
1788         }
1789 }
1790 #endif
1791
1792
1793 int LyXParagraph::GetEndLabel(BufferParams const & bparams) const
1794 {
1795         LyXParagraph const * par = this;
1796         int par_depth = GetDepth();
1797         while (par) {
1798                 LyXTextClass::LayoutList::size_type layout = par->GetLayout();
1799                 int const endlabeltype =
1800                         textclasslist.Style(bparams.textclass,
1801                                             layout).endlabeltype;
1802                 if (endlabeltype != END_LABEL_NO_LABEL) {
1803                         LyXParagraph const * last = this;
1804 #ifndef NEW_INSETS
1805                         if( footnoteflag == NO_FOOTNOTE)
1806                                 last = LastPhysicalPar();
1807                         else if (next->footnoteflag == NO_FOOTNOTE)
1808                                 return endlabeltype;
1809 #else
1810                         last = this;
1811 #endif
1812
1813                         if (!last || !last->next)
1814                                 return endlabeltype;
1815
1816                         int next_depth = last->next->GetDepth();
1817                         if (par_depth > next_depth ||
1818                             (par_depth == next_depth && layout != last->next->GetLayout() ))
1819                                 return endlabeltype;
1820                         break;
1821                 }
1822                 if (par_depth == 0)
1823                         break;
1824                 par = par->DepthHook(par_depth - 1);
1825                 if (par)
1826                         par_depth = par->GetDepth();
1827         }
1828         return END_LABEL_NO_LABEL;
1829 }
1830
1831
1832 LyXTextClass::size_type LyXParagraph::GetLayout() const
1833 {
1834 #ifndef NEW_INSETS
1835         return FirstPhysicalPar()->layout;
1836 #else
1837         return layout;
1838 #endif
1839 }
1840
1841
1842 char LyXParagraph::GetDepth() const
1843 {
1844 #ifndef NEW_INSETS
1845         return FirstPhysicalPar()->depth;
1846 #else
1847         return depth;
1848 #endif
1849 }
1850
1851
1852 char LyXParagraph::GetAlign() const
1853 {
1854 #ifndef NEW_INSETS
1855         return FirstPhysicalPar()->align;
1856 #else
1857         return align;
1858 #endif
1859 }
1860
1861
1862 string const & LyXParagraph::GetLabelstring() const
1863 {
1864 #ifndef NEW_INSETS
1865         return FirstPhysicalPar()->labelstring;
1866 #else
1867         return labelstring;
1868 #endif
1869 }
1870
1871
1872 int LyXParagraph::GetFirstCounter(int i) const
1873 {
1874 #ifndef NEW_INSETS
1875         return FirstPhysicalPar()->counter_[i];
1876 #else
1877         return counter_[i];
1878 #endif
1879 }
1880
1881
1882 // the next two functions are for the manual labels
1883 string const LyXParagraph::GetLabelWidthString() const
1884 {
1885 #ifndef NEW_INSETS
1886         if (!FirstPhysicalPar()->labelwidthstring.empty())
1887                 return FirstPhysicalPar()->labelwidthstring;
1888 #else
1889         if (!labelwidthstring.empty())
1890                 return labelwidthstring;
1891 #endif
1892         else
1893                 return _("Senseless with this layout!");
1894 }
1895
1896
1897 void LyXParagraph::SetLabelWidthString(string const & s)
1898 {
1899 #ifndef NEW_INSETS
1900         LyXParagraph * par = FirstPhysicalPar();
1901
1902         par->labelwidthstring = s;
1903 #else
1904         labelwidthstring = s;
1905 #endif
1906 }
1907
1908
1909 void LyXParagraph::SetOnlyLayout(BufferParams const & bparams,
1910                                  LyXTextClass::size_type new_layout)
1911 {
1912 #ifndef NEW_INSETS
1913         LyXParagraph * par = FirstPhysicalPar();
1914 #else
1915         LyXParagraph * par = this;
1916 #endif
1917         LyXParagraph * ppar = 0;
1918         LyXParagraph * npar = 0;
1919
1920         par->layout = new_layout;
1921
1922         if (par->pextra_type == PEXTRA_NONE) {
1923                 if (par->Previous()) {
1924 #ifndef NEW_INSETS
1925                         ppar = par->Previous()->FirstPhysicalPar();
1926 #else
1927                         ppar = par->Previous();
1928 #endif
1929                         while(ppar
1930                               && ppar->Previous()
1931                               && (ppar->depth > par->depth))
1932 #ifndef NEW_INSETS
1933                                 ppar = ppar->Previous()->FirstPhysicalPar();
1934 #else
1935                         ppar = ppar->Previous();
1936 #endif
1937                 }
1938                 if (par->Next()) {
1939 #ifndef NEW_INSETS
1940                         npar = par->Next()->NextAfterFootnote();
1941 #else
1942                         npar = par->Next();
1943 #endif
1944                         while(npar
1945                               && npar->Next()
1946                               && (npar->depth > par->depth))
1947 #ifndef NEW_INSETS
1948                                 npar = npar->Next()->NextAfterFootnote();
1949 #else
1950                         npar = npar->Next();
1951 #endif
1952                 }
1953                 if (ppar && (ppar->pextra_type != PEXTRA_NONE)) {
1954                         string
1955                                 p1 = ppar->pextra_width,
1956                                 p2 = ppar->pextra_widthp;
1957                         ppar->SetPExtraType(bparams, ppar->pextra_type,
1958                                             p1, p2);
1959                 }
1960                 if ((par->pextra_type == PEXTRA_NONE) &&
1961                     npar && (npar->pextra_type != PEXTRA_NONE)) {
1962                         string
1963                                 p1 = npar->pextra_width,
1964                                 p2 = npar->pextra_widthp;
1965                         npar->SetPExtraType(bparams, npar->pextra_type,
1966                                             p1, p2);
1967                 }
1968         }
1969 }
1970
1971
1972 void LyXParagraph::SetLayout(BufferParams const & bparams,
1973                              LyXTextClass::size_type new_layout)
1974 {
1975         LyXParagraph
1976 #ifndef NEW_INSETS
1977                 * par = FirstPhysicalPar(),
1978 #else
1979                 * par = this,
1980 #endif
1981                 * ppar = 0,
1982                 * npar = 0;
1983
1984         par->layout = new_layout;
1985         par->labelwidthstring.erase();
1986         par->align = LYX_ALIGN_LAYOUT;
1987         par->added_space_top = VSpace(VSpace::NONE);
1988         par->added_space_bottom = VSpace(VSpace::NONE);
1989         par->spacing.set(Spacing::Default);
1990
1991         if (par->pextra_type == PEXTRA_NONE) {
1992                 if (par->Previous()) {
1993 #ifndef NEW_INSETS
1994                         ppar = par->Previous()->FirstPhysicalPar();
1995 #else
1996                         ppar = par->Previous();
1997 #endif
1998                         while(ppar
1999                               && ppar->Previous()
2000                               && (ppar->depth > par->depth))
2001 #ifndef NEW_INSETS
2002                                 ppar = ppar->Previous()->FirstPhysicalPar();
2003 #else
2004                         ppar = ppar->Previous();
2005 #endif
2006                 }
2007                 if (par->Next()) {
2008 #ifndef NEW_INSETS
2009                         npar = par->Next()->NextAfterFootnote();
2010 #else
2011                         npar = par->Next();
2012 #endif
2013                         while(npar
2014                               && npar->Next()
2015                               && (npar->depth > par->depth))
2016 #ifndef NEW_INSETS
2017                                 npar = npar->Next()->NextAfterFootnote();
2018 #else
2019                         npar = npar->Next();
2020 #endif
2021                 }
2022                 if (ppar && (ppar->pextra_type != PEXTRA_NONE)) {
2023                         string
2024                                 p1 = ppar->pextra_width,
2025                                 p2 = ppar->pextra_widthp;
2026                         ppar->SetPExtraType(bparams, ppar->pextra_type,
2027                                             p1, p2);
2028                 }
2029                 if ((par->pextra_type == PEXTRA_NONE) &&
2030                     npar && (npar->pextra_type != PEXTRA_NONE)) {
2031                         string
2032                                 p1 = npar->pextra_width,
2033                                 p2 = npar->pextra_widthp;
2034                         npar->SetPExtraType(bparams, npar->pextra_type,
2035                                             p1, p2);
2036                 }
2037         }
2038 }
2039
2040
2041 // if the layout of a paragraph contains a manual label, the beginning of the
2042 // main body is the beginning of the second word. This is what the par-
2043 // function returns. If the layout does not contain a label, the main
2044 // body always starts with position 0. This differentiation is necessary,
2045 // because there cannot be a newline or a blank <= the beginning of the
2046 // main body in TeX.
2047
2048 int LyXParagraph::BeginningOfMainBody() const
2049 {
2050 #ifndef NEW_INSETS
2051         if (FirstPhysicalPar() != this)
2052                 return -1;
2053 #endif
2054         // Unroll the first two cycles of the loop
2055         // and remember the previous character to
2056         // remove unnecessary GetChar() calls
2057         size_type i = 0;
2058         if (i < size()
2059             && GetChar(i) != LyXParagraph::META_NEWLINE
2060                 ) {
2061                 ++i;
2062                 char previous_char = 0, temp = 0;
2063                 if (i < size()
2064                     && (previous_char = GetChar(i)) != LyXParagraph::META_NEWLINE) {
2065                         // Yes, this  ^ is supposed to be "= " not "=="
2066                         ++i;
2067                         while (i < size()
2068                                && previous_char != ' '
2069                                && (temp = GetChar(i)) != LyXParagraph::META_NEWLINE) {
2070                                 ++i;
2071                                 previous_char = temp;
2072                         }
2073                 }
2074         }
2075
2076 #ifndef NEW_INSETS
2077         if (i == 0 && i == size() &&
2078             !(footnoteflag == LyXParagraph::NO_FOOTNOTE
2079               && next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE))
2080                 ++i;                           /* the cursor should not jump
2081                                                 * to the main body if there
2082                                                 * is nothing in! */
2083 #endif
2084         return i;
2085 }
2086
2087
2088 LyXParagraph * LyXParagraph::DepthHook(int deth)
2089 {
2090         LyXParagraph * newpar = this;
2091         if (deth < 0)
2092                 return 0;
2093
2094         do {
2095 #ifndef NEW_INSETS
2096                 newpar = newpar->FirstPhysicalPar()->Previous();
2097 #else
2098                 newpar = newpar->Previous();
2099 #endif
2100         } while (newpar && newpar->GetDepth() > deth
2101 #ifndef NEW_INSETS
2102                  && newpar->footnoteflag == footnoteflag
2103 #endif
2104                 );
2105
2106         if (!newpar) {
2107                 if (Previous() || GetDepth())
2108                         lyxerr << "ERROR (LyXParagraph::DepthHook): "
2109                                 "no hook." << endl;
2110                 newpar = this;
2111         }
2112 #ifndef NEW_INSETS
2113         return newpar->FirstPhysicalPar();
2114 #else
2115         return newpar;
2116 #endif
2117 }
2118
2119
2120 LyXParagraph const * LyXParagraph::DepthHook(int deth) const
2121 {
2122         LyXParagraph const * newpar = this;
2123         if (deth < 0)
2124                 return 0;
2125
2126         do {
2127 #ifndef NEW_INSETS
2128                 newpar = newpar->FirstPhysicalPar()->Previous();
2129 #else
2130                 newpar = newpar->Previous();
2131 #endif
2132         } while (newpar && newpar->GetDepth() > deth
2133 #ifndef NEW_INSETS
2134                  && newpar->footnoteflag == footnoteflag
2135 #endif
2136                 );
2137
2138         if (!newpar) {
2139                 if (Previous() || GetDepth())
2140                         lyxerr << "ERROR (LyXParagraph::DepthHook): "
2141                                 "no hook." << endl;
2142                 newpar = this;
2143         }
2144 #ifndef NEW_INSETS
2145         return newpar->FirstPhysicalPar();
2146 #else
2147         return newpar;
2148 #endif
2149 }
2150
2151
2152 int LyXParagraph::AutoDeleteInsets()
2153 {
2154         int count = 0;
2155         InsetList::size_type index = 0;
2156         while (index < insetlist.size()) {
2157                 if (insetlist[index].inset && insetlist[index].inset->AutoDelete()) {
2158                         Erase(insetlist[index].pos);
2159                         // Erase() calls to insetlist.erase(&insetlist[index])
2160                         // so index shouldn't be increased.
2161                         ++count;
2162                 } else
2163                         ++index;
2164         }
2165         return count;
2166 }
2167
2168
2169 LyXParagraph::inset_iterator
2170 LyXParagraph::InsetIterator(LyXParagraph::size_type pos)
2171 {
2172         InsetTable search_inset(pos, 0);
2173         InsetList::iterator it = lower_bound(insetlist.begin(),
2174                                              insetlist.end(),
2175                                              search_inset, matchIT());
2176         return inset_iterator(it);
2177 }
2178
2179
2180 // returns -1 if inset not found
2181 int LyXParagraph::GetPositionOfInset(Inset * inset) const
2182 {
2183         // Find the entry.
2184         for (InsetList::const_iterator cit = insetlist.begin();
2185              cit != insetlist.end(); ++cit) {
2186                 if ((*cit).inset == inset) {
2187                         return (*cit).pos;
2188                 }
2189         }
2190 #ifndef NEW_INSETS
2191         // Think about footnotes.
2192         if (footnoteflag == LyXParagraph::NO_FOOTNOTE
2193             && next && next->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE) {
2194                 int further =
2195                         NextAfterFootnote()->GetPositionOfInset(inset);
2196                 if (further != -1)
2197                         return text.size() + 1 + further;
2198         }
2199 #endif
2200         return -1;
2201 }
2202
2203
2204 LyXParagraph * LyXParagraph::TeXOnePar(Buffer const * buf,
2205                                        BufferParams const & bparams,
2206                                        ostream & os, TexRow & texrow,
2207                                        bool moving_arg
2208 #ifndef NEW_INSETS
2209                                        ,
2210                                        ostream & foot,
2211                                        TexRow & foot_texrow,
2212                                        int & foot_count
2213 #endif
2214         )
2215 {
2216         lyxerr[Debug::LATEX] << "TeXOnePar...     " << this << endl;
2217         LyXLayout const & style =
2218                 textclasslist.Style(bparams.textclass,
2219                                     layout);
2220
2221         bool further_blank_line = false;
2222 #ifndef NEW_INSETS
2223         if (IsDummy())
2224                 lyxerr << "ERROR (LyXParagraph::TeXOnePar) is dummy." << endl;
2225 #endif
2226
2227         if (start_of_appendix) {
2228                 os << "\\appendix\n";
2229                 texrow.newline();
2230         }
2231
2232         if (!spacing.isDefault()
2233             && (!Previous() || !Previous()->HasSameLayout(this))) {
2234                 os << spacing.writeEnvirBegin() << "\n";
2235                 texrow.newline();
2236         }
2237
2238         if (tex_code_break_column && style.isCommand()){
2239                 os << '\n';
2240                 texrow.newline();
2241         }
2242
2243         if (pagebreak_top) {
2244                 os << "\\newpage";
2245                 further_blank_line = true;
2246         }
2247         if (added_space_top.kind() != VSpace::NONE) {
2248                 os << added_space_top.asLatexCommand(bparams);
2249                 further_blank_line = true;
2250         }
2251
2252         if (line_top) {
2253                 os << "\\lyxline{\\" << getFont(bparams, 0).latexSize() << '}'
2254                    << "\\vspace{-1\\parskip}";
2255                 further_blank_line = true;
2256         }
2257
2258         if (further_blank_line){
2259                 os << '\n';
2260                 texrow.newline();
2261         }
2262
2263         Language const * language = getParLanguage(bparams);
2264         Language const * doc_language = bparams.language_info;
2265         Language const * previous_language = previous
2266                 ? previous->getParLanguage(bparams) : doc_language;
2267         if (language != doc_language && language != previous_language) {
2268                 os << subst(lyxrc.language_command_begin, "$$lang",
2269                             language->lang())
2270                    << endl;
2271                 texrow.newline();
2272         }
2273
2274         if (bparams.inputenc == "auto" &&
2275             language->encoding() != previous_language->encoding()) {
2276                 os << "\\inputencoding{"
2277                    << language->encoding()->LatexName()
2278                    << "}" << endl;
2279                 texrow.newline();
2280         }
2281
2282         switch (style.latextype) {
2283         case LATEX_COMMAND:
2284                 os << '\\'
2285                    << style.latexname()
2286                    << style.latexparam();
2287                 break;
2288         case LATEX_ITEM_ENVIRONMENT:
2289                 if (bibkey) {
2290                         bibkey->Latex(buf, os, false, false);
2291                 } else
2292                         os << "\\item ";
2293                 break;
2294         case LATEX_LIST_ENVIRONMENT:
2295                 os << "\\item ";
2296                 break;
2297         default:
2298                 break;
2299         }
2300
2301         bool need_par = SimpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
2302
2303         LyXParagraph * par = next;
2304 #ifndef NEW_INSETS
2305         // Spit out footnotes
2306         if (lyxrc.rtl_support) {
2307                 if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
2308                     && next->footnoteflag != footnoteflag) {
2309                         LyXParagraph * p = 0;
2310                         bool is_rtl = (size() > 0)
2311                                 ? GetFontSettings(bparams,
2312                                                   size()-1).isRightToLeft()
2313                                 : language->RightToLeft();
2314                         if ( (p = NextAfterFootnote()) != 0 &&
2315                              p->size() > 0 &&
2316                              p->GetFontSettings(bparams, 0).isRightToLeft() != is_rtl)
2317                                 is_rtl = getParLanguage(bparams)->RightToLeft();
2318                         while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
2319                                && par->footnoteflag != footnoteflag) {
2320                                 par = par->TeXFootnote(buf, bparams,
2321                                                        os, texrow, foot,
2322                                                        foot_texrow, foot_count,
2323                                                        is_rtl);
2324                                 par->SimpleTeXOnePar(buf, bparams,
2325                                                      os, texrow, moving_arg);
2326                                 is_rtl = (par->size() > 0)
2327                                         ? par->GetFontSettings(bparams,
2328                                                                par->size()-1).isRightToLeft()
2329                                         : language->RightToLeft();
2330                                 if (par->next &&
2331                                     par->next->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
2332                                     (p = par->NextAfterFootnote()) != 0 &&
2333                                     p->size() > 0 &&
2334                                     p->GetFontSettings(bparams, 0).isRightToLeft() != is_rtl)
2335                                         is_rtl = language->RightToLeft();
2336                                 par = par->next;
2337                         }
2338                 }
2339         } else {
2340                 while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE
2341                        && par->footnoteflag != footnoteflag) {
2342                         par = par->TeXFootnote(buf, bparams,
2343                                                os, texrow,
2344                                                foot, foot_texrow, foot_count,
2345                                                false);
2346                         par->SimpleTeXOnePar(buf, bparams, os, texrow, moving_arg);
2347                         par = par->next;
2348                 }
2349         }
2350 #endif
2351
2352         // Make sure that \\par is done with the font of the last
2353         // character if this has another size as the default.
2354         // This is necessary because LaTeX (and LyX on the screen)
2355         // calculates the space between the baselines according
2356         // to this font. (Matthias)
2357         LyXFont font = getFont(bparams, Last() - 1);
2358         if (need_par && next) {
2359                 if (style.resfont.size() != font.size()) {
2360                         os << '\\'
2361                            << font.latexSize()
2362                            << ' ';
2363                 }
2364                 os << "\\par}";
2365         } else if (textclasslist.Style(bparams.textclass,
2366                                        GetLayout()).isCommand()) {
2367                 if (style.resfont.size() != font.size()) {
2368                         os << '\\'
2369                            << font.latexSize()
2370                            << ' ';
2371                 }
2372                 os << '}';
2373         } else if ((style.resfont.size() != font.size()) && next){
2374                 os << "{\\" << font.latexSize() << " \\par}";
2375         }
2376
2377         if (language != doc_language &&
2378             (!par
2379 #ifndef NEW_INSETS
2380              || (footnoteflag != NO_FOOTNOTE && par->footnoteflag != footnoteflag)
2381 #endif
2382              || par->getParLanguage(bparams) != language)) {
2383                 os << endl
2384                    << subst(lyxrc.language_command_end, "$$lang",
2385                             doc_language->lang());
2386         }
2387
2388         switch (style.latextype) {
2389         case LATEX_ITEM_ENVIRONMENT:
2390         case LATEX_LIST_ENVIRONMENT:
2391                 if (par && (depth < par->depth)) {
2392                         os << '\n';
2393                         texrow.newline();
2394                 }
2395                 break;
2396         case LATEX_ENVIRONMENT:
2397                 // if its the last paragraph of the current environment
2398                 // skip it otherwise fall through
2399                 if (par
2400                     && (par->layout != layout
2401                         || par->depth != depth
2402                         || par->pextra_type != pextra_type))
2403                         break;
2404         default:
2405                 // we don't need it for the last paragraph!!!
2406                 if (next) {
2407                         os << '\n';
2408                         texrow.newline();
2409                 }
2410         }
2411
2412         further_blank_line = false;
2413         if (line_bottom) {
2414                 os << "\\lyxline{\\" << getFont(bparams, Last() - 1).latexSize() << '}';
2415                 further_blank_line = true;
2416         }
2417
2418         if (added_space_bottom.kind() != VSpace::NONE) {
2419                 os << added_space_bottom.asLatexCommand(bparams);
2420                 further_blank_line = true;
2421         }
2422
2423         if (pagebreak_bottom) {
2424                 os << "\\newpage";
2425                 further_blank_line = true;
2426         }
2427
2428         if (further_blank_line){
2429                 os << '\n';
2430                 texrow.newline();
2431         }
2432
2433         if (!spacing.isDefault()
2434             && (!par || !par->HasSameLayout(this))) {
2435                 os << spacing.writeEnvirEnd() << "\n";
2436                 texrow.newline();
2437         }
2438
2439         // we don't need it for the last paragraph!!!
2440         if (next
2441 #ifndef NEW_INSETS
2442             && !(footnoteflag != LyXParagraph::NO_FOOTNOTE && par &&
2443               par->footnoteflag == LyXParagraph::NO_FOOTNOTE)
2444 #endif
2445                 ) {
2446                 os << '\n';
2447                 texrow.newline();
2448         }
2449
2450         lyxerr[Debug::LATEX] << "TeXOnePar...done " << par << endl;
2451         return par;
2452 }
2453
2454
2455 // This one spits out the text of the paragraph
2456 bool LyXParagraph::SimpleTeXOnePar(Buffer const * buf,
2457                                    BufferParams const & bparams,
2458                                    ostream & os, TexRow & texrow,
2459                                    bool moving_arg)
2460 {
2461         lyxerr[Debug::LATEX] << "SimpleTeXOnePar...     " << this << endl;
2462
2463         bool return_value = false;
2464
2465         LyXLayout const & style =
2466                 textclasslist.Style(bparams.textclass,
2467                                     GetLayout());
2468         LyXFont basefont, last_font;
2469
2470         // Maybe we have to create a optional argument.
2471         size_type main_body;
2472         if (style.labeltype != LABEL_MANUAL)
2473                 main_body = 0;
2474         else
2475                 main_body = BeginningOfMainBody();
2476
2477         if (main_body > 0) {
2478                 os << '[';
2479                 basefont = getFont(bparams, -2); // Get label font
2480         } else {
2481                 basefont = getFont(bparams, -1); // Get layout font
2482         }
2483
2484         int column = 0;
2485
2486         if (main_body >= 0
2487             && !text.size()
2488 #ifndef NEW_INSETS
2489             && !IsDummy()
2490 #endif
2491                 ) {
2492                 if (style.isCommand()) {
2493                         os << '{';
2494                         ++column;
2495                 } else if (align != LYX_ALIGN_LAYOUT) {
2496                         os << '{';
2497                         ++column;
2498                         return_value = true;
2499                 }
2500         }
2501
2502         moving_arg |= style.needprotect;
2503
2504         // Which font is currently active?
2505         LyXFont running_font(basefont);
2506         // Do we have an open font change?
2507         bool open_font = false;
2508
2509         texrow.start(this, 0);
2510
2511         for (size_type i = 0; i < size(); ++i) {
2512                 ++column;
2513                 // First char in paragraph or after label?
2514                 if (i == main_body
2515 #ifndef NEW_INSETS
2516                     && !IsDummy()
2517 #endif
2518                         ) {
2519                         if (main_body > 0) {
2520                                 if (open_font) {
2521                                         column += running_font.latexWriteEndChanges(os, basefont, basefont);
2522                                         open_font = false;
2523                                 }
2524                                 basefont = getFont(bparams, -1); // Now use the layout font
2525                                 running_font = basefont;
2526                                 os << ']';
2527                                 ++column;
2528                         }
2529                         if (style.isCommand()) {
2530                                 os << '{';
2531                                 ++column;
2532                         } else if (align != LYX_ALIGN_LAYOUT) {
2533                                 os << "{\\par";
2534                                 column += 4;
2535                                 return_value = true;
2536                         }
2537
2538                         if (noindent) {
2539                                 os << "\\noindent ";
2540                                 column += 10;
2541                         }
2542                         switch (align) {
2543                         case LYX_ALIGN_NONE:
2544                         case LYX_ALIGN_BLOCK:
2545                         case LYX_ALIGN_LAYOUT:
2546                         case LYX_ALIGN_SPECIAL:
2547                                 break;
2548                         case LYX_ALIGN_LEFT:
2549                                 if (getParLanguage(bparams)->lang() != "hebrew") {
2550                                         os << "\\raggedright ";
2551                                         column+= 13;
2552                                 } else {
2553                                         os << "\\raggedleft ";
2554                                         column+= 12;
2555                                 }
2556                                 break;
2557                         case LYX_ALIGN_RIGHT:
2558                                 if (getParLanguage(bparams)->lang() != "hebrew") {
2559                                         os << "\\raggedleft ";
2560                                         column+= 12;
2561                                 } else {
2562                                         os << "\\raggedright ";
2563                                         column+= 13;
2564                                 }
2565                                 break;
2566                         case LYX_ALIGN_CENTER:
2567                                 os << "\\centering ";
2568                                 column+= 11;
2569                                 break;
2570                         }
2571                 }
2572
2573                 value_type c = GetChar(i);
2574
2575                 // Fully instantiated font
2576                 LyXFont font = getFont(bparams, i);
2577 #ifndef NEW_INSETS
2578                 LyXParagraph * p = 0;
2579                 if (i == 0
2580                     && previous &&
2581                     previous->footnoteflag != LyXParagraph::NO_FOOTNOTE &&
2582                     (p = PreviousBeforeFootnote()) != 0)
2583                         last_font = p->getFont(bparams, p->size() - 1);
2584                 else
2585 #endif
2586                         last_font = running_font;
2587
2588                 // Spaces at end of font change are simulated to be
2589                 // outside font change, i.e. we write "\textXX{text} "
2590                 // rather than "\textXX{text }". (Asger)
2591                 if (open_font && c == ' ' && i <= size() - 2
2592                     && !getFont(bparams, i + 1).equalExceptLatex(running_font)
2593                     && !getFont(bparams, i + 1).equalExceptLatex(font)) {
2594                         font = getFont(bparams, i + 1);
2595                 }
2596                 // We end font definition before blanks
2597                 if (!font.equalExceptLatex(running_font) && open_font) {
2598                         column += running_font.latexWriteEndChanges(os,
2599                                                                     basefont,
2600                                                                     (i == main_body-1) ? basefont : font);
2601                         running_font = basefont;
2602                         open_font = false;
2603                 }
2604
2605                 // Blanks are printed before start of fontswitch
2606                 if (c == ' ') {
2607                         // Do not print the separation of the optional argument
2608                         if (i != main_body - 1) {
2609                                 SimpleTeXBlanks(os, texrow, i,
2610                                                 column, font, style);
2611                         }
2612                 }
2613
2614                 // Do we need to change font?
2615                 if (!font.equalExceptLatex(running_font)
2616                     && i != main_body-1) {
2617                         column += font.latexWriteStartChanges(os, basefont,
2618                                                               last_font);
2619                         running_font = font;
2620                         open_font = true;
2621                 }
2622
2623                 if (c == LyXParagraph::META_NEWLINE) {
2624                         // newlines are handled differently here than
2625                         // the default in SimpleTeXSpecialChars().
2626                         if (!style.newline_allowed
2627                             || font.latex() == LyXFont::ON) {
2628                                 os << '\n';
2629                         } else {
2630                                 if (open_font) {
2631                                         column += running_font.latexWriteEndChanges(os, basefont, basefont);
2632                                         open_font = false;
2633                                 }
2634                                 basefont = getFont(bparams, -1);
2635                                 running_font = basefont;
2636                                 if (font.family() ==
2637                                     LyXFont::TYPEWRITER_FAMILY) {
2638                                         os << "~";
2639                                 }
2640                                 if (moving_arg)
2641                                         os << "\\protect ";
2642                                 os << "\\\\\n";
2643                         }
2644                         texrow.newline();
2645                         texrow.start(this, i + 1);
2646                         column = 0;
2647                 } else {
2648                         SimpleTeXSpecialChars(buf, bparams,
2649                                               os, texrow, moving_arg,
2650                                               font, running_font, basefont,
2651                                               open_font, style, i, column, c);
2652                 }
2653         }
2654
2655         // If we have an open font definition, we have to close it
2656         if (open_font) {
2657                 LyXParagraph * p = 0;
2658                 if (next
2659 #ifndef NEW_INSETS
2660                     && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
2661                     && (p =  NextAfterFootnote()) != 0
2662 #else
2663                         && (p = next)
2664 #endif
2665                 )
2666                         running_font.latexWriteEndChanges(os, basefont,
2667                                                           p->getFont(bparams, 0));
2668                 else
2669                         running_font.latexWriteEndChanges(os, basefont, basefont);
2670         }
2671
2672         // Needed if there is an optional argument but no contents.
2673         if (main_body > 0 && main_body == size()) {
2674                 os << "]~";
2675                 return_value = false;
2676         }
2677
2678         lyxerr[Debug::LATEX] << "SimpleTeXOnePar...done " << this << endl;
2679         return return_value;
2680 }
2681
2682
2683 bool LyXParagraph::linuxDocConvertChar(char c, string & sgml_string)
2684 {
2685         bool retval = false;
2686         switch (c) {
2687         case LyXParagraph::META_HFILL:
2688                 sgml_string.erase();
2689                 break;
2690         case LyXParagraph::META_NEWLINE:
2691                 sgml_string = '\n';
2692                 break;
2693         case '&':
2694                 sgml_string = "&amp;";
2695                 break;
2696         case '<':
2697                 sgml_string = "&lt;";
2698                 break;
2699         case '>':
2700                 sgml_string = "&gt;";
2701                 break;
2702         case '$':
2703                 sgml_string = "&dollar;";
2704                 break;
2705         case '#':
2706                 sgml_string = "&num;";
2707                 break;
2708         case '%':
2709                 sgml_string = "&percnt;";
2710                 break;
2711         case '[':
2712                 sgml_string = "&lsqb;";
2713                 break;
2714         case ']':
2715                 sgml_string = "&rsqb;";
2716                 break;
2717         case '{':
2718                 sgml_string = "&lcub;";
2719                 break;
2720         case '}':
2721                 sgml_string = "&rcub;";
2722                 break;
2723         case '~':
2724                 sgml_string = "&tilde;";
2725                 break;
2726         case '"':
2727                 sgml_string = "&quot;";
2728                 break;
2729         case '\\':
2730                 sgml_string = "&bsol;";
2731                 break;
2732         case ' ':
2733                 retval = true;
2734                 sgml_string = ' ';
2735                 break;
2736         case '\0': // Ignore :-)
2737                 sgml_string.erase();
2738                 break;
2739         default:
2740                 sgml_string = c;
2741                 break;
2742         }
2743         return retval;
2744 }
2745
2746
2747 void LyXParagraph::SimpleTeXBlanks(ostream & os, TexRow & texrow,
2748                                    LyXParagraph::size_type const i,
2749                                    int & column, LyXFont const & font,
2750                                    LyXLayout const & style)
2751 {
2752         if (column > tex_code_break_column
2753             && i
2754             && GetChar(i - 1) != ' '
2755             && (i < size() - 1)
2756             // In LaTeX mode, we don't want to
2757             // break lines since some commands
2758             // do not like this
2759             && ! (font.latex() == LyXFont::ON)
2760             // same in FreeSpacing mode
2761             && !style.free_spacing
2762             // In typewriter mode, we want to avoid
2763             // ! . ? : at the end of a line
2764             && !(font.family() == LyXFont::TYPEWRITER_FAMILY
2765                  && (GetChar(i-1) == '.'
2766                      || GetChar(i-1) == '?'
2767                      || GetChar(i-1) == ':'
2768                      || GetChar(i-1) == '!'))) {
2769                 if (tex_code_break_column == 0) {
2770                         // in batchmode we need LaTeX to still
2771                         // see it as a space not as an extra '\n'
2772                         os << " %\n";
2773                 } else {
2774                         os << '\n';
2775                 }
2776                 texrow.newline();
2777                 texrow.start(this, i + 1);
2778                 column = 0;
2779         } else if (font.latex() == LyXFont::OFF) {
2780                 if (style.free_spacing) {
2781                         os << '~';
2782                 } else {
2783                         os << ' ';
2784                 }
2785         }
2786 }
2787
2788
2789 void LyXParagraph::SimpleTeXSpecialChars(Buffer const * buf,
2790                                          BufferParams const & bparams,
2791                                          ostream & os, TexRow & texrow,
2792                                          bool moving_arg,
2793                                          LyXFont & font,
2794                                          LyXFont & running_font,
2795                                          LyXFont & basefont,
2796                                          bool & open_font,
2797                                          LyXLayout const & style,
2798                                          LyXParagraph::size_type & i,
2799                                          int & column,
2800                                          LyXParagraph::value_type const c)
2801 {
2802         // Two major modes:  LaTeX or plain
2803         // Handle here those cases common to both modes
2804         // and then split to handle the two modes separately.
2805         switch (c) {
2806         case LyXParagraph::META_INSET: {
2807                 Inset * inset = GetInset(i);
2808                 if (inset) {
2809                         bool close = false;
2810                         int len = os.tellp();
2811                         if ((inset->LyxCode() == Inset::GRAPHICS_CODE
2812                              || inset->LyxCode() == Inset::MATH_CODE
2813                              || inset->LyxCode() == Inset::URL_CODE)
2814                             && running_font.isRightToLeft()) {
2815                                 os << "\\L{";
2816                                 close = true;
2817                         }
2818
2819                         int tmp = inset->Latex(buf, os, moving_arg,
2820                                                style.free_spacing);
2821
2822                         if (close)
2823                                 os << "}";
2824
2825                         if (tmp) {
2826                                 column = 0;
2827                         } else {
2828                                 column += os.tellp() - len;
2829                         }
2830                         for (; tmp--;) {
2831                                 texrow.newline();
2832                         }
2833                 }
2834         }
2835         break;
2836
2837         case LyXParagraph::META_NEWLINE:
2838                 if (open_font) {
2839                         column += running_font.latexWriteEndChanges(os,
2840                                                                     basefont,
2841                                                                     basefont);
2842                         open_font = false;
2843                 }
2844                 basefont = getFont(bparams, -1);
2845                 running_font = basefont;
2846                 break;
2847
2848         case LyXParagraph::META_HFILL:
2849                 os << "\\hfill{}";
2850                 column += 7;
2851                 break;
2852
2853         default:
2854                 // And now for the special cases within each mode
2855                 // Are we in LaTeX mode?
2856                 if (font.latex() == LyXFont::ON) {
2857                         // at present we only have one option
2858                         // but I'll leave it as a switch statement
2859                         // so its simpler to extend. (ARRae)
2860                         switch (c) {
2861                         default:
2862                                 // make sure that we will not print
2863                                 // error generating chars to the tex
2864                                 // file. This test would not be needed
2865                                 // if it were done in the buffer
2866                                 // itself.
2867                                 if (c != '\0') {
2868                                         os << c;
2869                                 }
2870                                 break;
2871                         }
2872                 } else {
2873                         // Plain mode (i.e. not LaTeX)
2874                         switch (c) {
2875                         case '\\':
2876                                 os << "\\textbackslash{}";
2877                                 column += 15;
2878                                 break;
2879
2880                         case '°': case '±': case '²': case '³':
2881                         case '×': case '÷': case '¹': case 'ª':
2882                         case 'º': case '¬': case 'µ':
2883                                 if (bparams.inputenc == "latin1" ||
2884                                     (bparams.inputenc == "auto" &&
2885                                      font.language()->encoding()->LatexName()
2886                                      == "latin1")) {
2887                                         os << "\\ensuremath{"
2888                                            << c
2889                                            << '}';
2890                                         column += 13;
2891                                 } else {
2892                                         os << c;
2893                                 }
2894                                 break;
2895
2896                         case '|': case '<': case '>':
2897                                 // In T1 encoding, these characters exist
2898                                 if (lyxrc.fontenc == "T1") {
2899                                         os << c;
2900                                         //... but we should avoid ligatures
2901                                         if ((c == '>' || c == '<')
2902                                             && i <= size() - 2
2903                                             && GetChar(i + 1) == c) {
2904                                                 //os << "\\textcompwordmark{}";
2905                                                 // Jean-Marc, have a look at
2906                                                 // this. I think this works
2907                                                 // equally well:
2908                                                 os << "\\,{}";
2909                                                 // Lgb
2910                                                 column += 19;
2911                                         }
2912                                         break;
2913                                 }
2914                                 // Typewriter font also has them
2915                                 if (font.family() == LyXFont::TYPEWRITER_FAMILY) {
2916                                         os << c;
2917                                         break;
2918                                 }
2919                                 // Otherwise, we use what LaTeX
2920                                 // provides us.
2921                                 switch(c) {
2922                                 case '<':
2923                                         os << "\\textless{}";
2924                                         column += 10;
2925                                         break;
2926                                 case '>':
2927                                         os << "\\textgreater{}";
2928                                         column += 13;
2929                                         break;
2930                                 case '|':
2931                                         os << "\\textbar{}";
2932                                         column += 9;
2933                                         break;
2934                                 }
2935                                 break;
2936
2937                         case '-': // "--" in Typewriter mode -> "-{}-"
2938                                 if (i <= size() - 2
2939                                     && GetChar(i + 1) == '-'
2940                                     && font.family() == LyXFont::TYPEWRITER_FAMILY) {
2941                                         os << "-{}";
2942                                         column += 2;
2943                                 } else {
2944                                         os << '-';
2945                                 }
2946                                 break;
2947
2948                         case '\"':
2949                                 os << "\\char`\\\"{}";
2950                                 column += 9;
2951                                 break;
2952
2953                         case '£':
2954                                 if (bparams.inputenc == "default") {
2955                                         os << "\\pounds{}";
2956                                         column += 8;
2957                                 } else {
2958                                         os << c;
2959                                 }
2960                                 break;
2961
2962                         case '$': case '&':
2963                         case '%': case '#': case '{':
2964                         case '}': case '_':
2965                                 os << '\\' << c;
2966                                 column += 1;
2967                                 break;
2968
2969                         case '~':
2970                                 os << "\\textasciitilde{}";
2971                                 column += 16;
2972                                 break;
2973
2974                         case '^':
2975                                 os << "\\textasciicircum{}";
2976                                 column += 17;
2977                                 break;
2978
2979                         case '*': case '[': case ']':
2980                                 // avoid being mistaken for optional arguments
2981                                 os << '{' << c << '}';
2982                                 column += 2;
2983                                 break;
2984
2985                         case ' ':
2986                                 // Blanks are printed before font switching.
2987                                 // Sure? I am not! (try nice-latex)
2988                                 // I am sure it's correct. LyX might be smarter
2989                                 // in the future, but for now, nothing wrong is
2990                                 // written. (Asger)
2991                                 break;
2992
2993                         default:
2994                                 /* idea for labels --- begin*/
2995                                 // Check for "LyX"
2996                                 if (c ==  'L'
2997                                     && i <= size() - 3
2998                                     && font.family() != LyXFont::TYPEWRITER_FAMILY
2999                                     && GetChar(i + 1) == 'y'
3000                                     && GetChar(i + 2) == 'X') {
3001                                         os << "\\LyX{}";
3002                                         i += 2;
3003                                         column += 5;
3004                                 }
3005                                 // Check for "TeX"
3006                                 else if (c == 'T'
3007                                          && i <= size() - 3
3008                                          && font.family() != LyXFont::TYPEWRITER_FAMILY
3009                                          && GetChar(i + 1) == 'e'
3010                                          && GetChar(i + 2) == 'X') {
3011                                         os << "\\TeX{}";
3012                                         i += 2;
3013                                         column += 5;
3014                                 }
3015                                 // Check for "LaTeX2e"
3016                                 else if (c == 'L'
3017                                          && i <= size() - 7
3018                                          && font.family() != LyXFont::TYPEWRITER_FAMILY
3019                                          && GetChar(i + 1) == 'a'
3020                                          && GetChar(i + 2) == 'T'
3021                                          && GetChar(i + 3) == 'e'
3022                                          && GetChar(i + 4) == 'X'
3023                                          && GetChar(i + 5) == '2'
3024                                          && GetChar(i + 6) == 'e') {
3025                                         os << "\\LaTeXe{}";
3026                                         i += 6;
3027                                         column += 8;
3028                                 }
3029                                 // Check for "LaTeX"
3030                                 else if (c == 'L'
3031                                          && i <= size() - 5
3032                                          && font.family() != LyXFont::TYPEWRITER_FAMILY
3033                                          && GetChar(i + 1) == 'a'
3034                                          && GetChar(i + 2) == 'T'
3035                                          && GetChar(i + 3) == 'e'
3036                                          && GetChar(i + 4) == 'X') {
3037                                         os << "\\LaTeX{}";
3038                                         i += 4;
3039                                         column += 7;
3040                                         /* idea for labels --- end*/
3041                                 } else if (c != '\0') {
3042                                         os << c;
3043                                 }
3044                                 break;
3045                         }
3046                 }
3047         }
3048 }
3049
3050
3051 LyXParagraph * LyXParagraph::TeXDeeper(Buffer const * buf,
3052                                        BufferParams const & bparams,
3053                                        ostream & os, TexRow & texrow
3054 #ifndef NEW_INSETS
3055                                        ,ostream & foot,
3056                                        TexRow & foot_texrow,
3057                                        int & foot_count
3058 #endif
3059         )
3060 {
3061         lyxerr[Debug::LATEX] << "TeXDeeper...     " << this << endl;
3062         LyXParagraph * par = this;
3063
3064         while (par &&
3065                (par->depth == depth)
3066 #ifndef NEW_INSETS
3067                && (par->footnoteflag == footnoteflag)
3068 #endif
3069                 ) {
3070 #ifndef NEW_INSETS
3071                 if (par->IsDummy())
3072                         lyxerr << "ERROR (LyXParagraph::TeXDeeper)" << endl;
3073 #endif
3074                 if (textclasslist.Style(bparams.textclass,
3075                                         par->layout).isEnvironment()
3076                     || par->pextra_type != PEXTRA_NONE) {
3077                         par = par->TeXEnvironment(buf, bparams,
3078                                                   os, texrow
3079 #ifndef NEW_INSETS
3080                                                   ,foot, foot_texrow,
3081                                                   foot_count
3082 #endif
3083                                 );
3084                 } else {
3085                         par = par->TeXOnePar(buf, bparams,
3086                                              os, texrow, false
3087 #ifndef NEW_INSETS
3088                                              ,
3089                                              foot, foot_texrow,
3090                                              foot_count
3091 #endif
3092                                 );
3093                 }
3094         }
3095         lyxerr[Debug::LATEX] << "TeXDeeper...done " << par << endl;
3096
3097         return par;
3098 }
3099
3100
3101 LyXParagraph * LyXParagraph::TeXEnvironment(Buffer const * buf,
3102                                             BufferParams const & bparams,
3103                                             ostream & os, TexRow & texrow
3104 #ifndef NEW_INSETS
3105                                             ,ostream & foot,
3106                                             TexRow & foot_texrow,
3107                                             int & foot_count
3108 #endif
3109         )
3110 {
3111         bool eindent_open = false;
3112 #ifndef NEW_INSETS
3113         bool foot_this_level = false;
3114 #endif
3115         // flags when footnotetext should be appended to file.
3116         static bool minipage_open = false;
3117         static int minipage_open_depth = 0;
3118         char par_sep = bparams.paragraph_separation;
3119
3120         lyxerr[Debug::LATEX] << "TeXEnvironment...     " << this << endl;
3121 #ifndef NEW_INSETS
3122         if (IsDummy())
3123                 lyxerr << "ERROR (LyXParagraph::TeXEnvironment)" << endl;
3124 #endif
3125
3126         LyXLayout const & style =
3127                 textclasslist.Style(bparams.textclass,
3128                                     layout);
3129
3130         if (pextra_type == PEXTRA_INDENT) {
3131                 if (!pextra_width.empty()) {
3132                         os << "\\begin{LyXParagraphIndent}{"
3133                            << pextra_width << "}\n";
3134                 } else {
3135                         //float ib = atof(pextra_widthp.c_str())/100;
3136                         // string can't handle floats at present (971109)
3137                         // so I'll do a conversion by hand knowing that
3138                         // the limits are 0.0 to 1.0. ARRae.
3139                         os << "\\begin{LyXParagraphIndent}{";
3140                         switch (pextra_widthp.length()) {
3141                         case 3:
3142                                 os << "1.00";
3143                                 break;
3144                         case 2:
3145                                 os << "0."
3146                                    << pextra_widthp;
3147                                 break;
3148                         case 1:
3149                                 os << "0.0"
3150                                    << pextra_widthp;
3151                         }
3152                         os << "\\columnwidth}\n";
3153                 }
3154                 texrow.newline();
3155                 eindent_open = true;
3156         }
3157         if ((pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
3158                 if (pextra_hfill && Previous() &&
3159                     (Previous()->pextra_type == PEXTRA_MINIPAGE)) {
3160                         os << "\\hfill{}\n";
3161                         texrow.newline();
3162                 }
3163                 if (par_sep == BufferParams::PARSEP_INDENT) {
3164                         os << "{\\setlength\\parindent{0pt}\n";
3165                         texrow.newline();
3166                 }
3167                 os << "\\begin{minipage}";
3168                 switch(pextra_alignment) {
3169                 case MINIPAGE_ALIGN_TOP:
3170                         os << "[t]";
3171                         break;
3172                 case MINIPAGE_ALIGN_MIDDLE:
3173                         os << "[m]";
3174                         break;
3175                 case MINIPAGE_ALIGN_BOTTOM:
3176                         os << "[b]";
3177                         break;
3178                 }
3179                 if (!pextra_width.empty()) {
3180                         os << '{' << pextra_width << "}\n";
3181                 } else {
3182                         //float ib = atof(par->pextra_width.c_str())/100;
3183                         // string can't handle floats at present
3184                         // so I'll do a conversion by hand knowing that
3185                         // the limits are 0.0 to 1.0. ARRae.
3186                         os << '{';
3187                         switch (pextra_widthp.length()) {
3188                         case 3:
3189                                 os << "1.00";
3190                                 break;
3191                         case 2:
3192                                 os << "0."
3193                                    << pextra_widthp;
3194                                 break;
3195                         case 1:
3196                                 os << "0.0"
3197                                    << pextra_widthp;
3198                         }
3199                         os << "\\columnwidth}\n";
3200                 }
3201                 texrow.newline();
3202                 if (par_sep == BufferParams::PARSEP_INDENT) {
3203                         os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
3204                         texrow.newline();
3205                 }
3206                 minipage_open = true;
3207                 minipage_open_depth = depth;
3208         }
3209
3210 #ifdef WITH_WARNINGS
3211 #warning Define FANCY_FOOTNOTE_CODE to re-enable Allan footnote code
3212         //I disabled it because it breaks when lists span on several
3213         //pages (JMarc)
3214 #endif
3215         if (style.isEnvironment()){
3216                 if (style.latextype == LATEX_LIST_ENVIRONMENT) {
3217 #ifdef FANCY_FOOTNOTE_CODE
3218                         if (foot_count < 0) {
3219                                 // flag that footnote[mark][text] should be
3220                                 // used for any footnotes from now on
3221                                 foot_count = 0;
3222                                 foot_this_level = true;
3223                         }
3224 #endif
3225                         os << "\\begin{" << style.latexname() << "}{"
3226                            << labelwidthstring << "}\n";
3227                 } else if (style.labeltype == LABEL_BIBLIO) {
3228                         // ale970405
3229                         os << "\\begin{" << style.latexname() << "}{"
3230                            <<  bibitemWidest(buf)
3231                            << "}\n";
3232                 } else if (style.latextype == LATEX_ITEM_ENVIRONMENT) {
3233 #ifdef FANCY_FOOTNOTE_CODE
3234                         if (foot_count < 0) {
3235                                 // flag that footnote[mark][text] should be
3236                                 // used for any footnotes from now on
3237                                 foot_count = 0;
3238                                 foot_this_level = true;
3239                         }
3240 #endif
3241                         os << "\\begin{" << style.latexname() << '}'
3242                            << style.latexparam() << '\n';
3243                 } else
3244                         os << "\\begin{" << style.latexname() << '}'
3245                            << style.latexparam() << '\n';
3246                 texrow.newline();
3247         }
3248         LyXParagraph * par = this;
3249         do {
3250                 par = par->TeXOnePar(buf, bparams,
3251                                      os, texrow, false
3252 #ifndef NEW_INSETS
3253                                      ,
3254                                      foot, foot_texrow, foot_count
3255 #endif
3256                         );
3257
3258                 if (minipage_open && par && !style.isEnvironment() &&
3259                     (par->pextra_type == PEXTRA_MINIPAGE) &&
3260                     par->pextra_start_minipage) {
3261                         os << "\\end{minipage}\n";
3262                         texrow.newline();
3263                         if (par_sep == BufferParams::PARSEP_INDENT) {
3264                                 os << "}\n";
3265                                 texrow.newline();
3266                         }
3267                         minipage_open = false;
3268                 }
3269                 if (par && par->depth > depth) {
3270                         if (textclasslist.Style(bparams.textclass,
3271                                                 par->layout).isParagraph()
3272                             // Thinko!
3273                             // How to handle this? (Lgb)
3274                             //&& !suffixIs(os, "\n\n")
3275                                 ) {
3276                                 // There should be at least one '\n' already
3277                                 // but we need there to be two for Standard
3278                                 // paragraphs that are depth-increment'ed to be
3279                                 // output correctly.  However, tables can
3280                                 // also be paragraphs so don't adjust them.
3281                                 // ARRae
3282                                 // Thinkee:
3283                                 // Will it ever harm to have one '\n' too
3284                                 // many? i.e. that we sometimes will have
3285                                 // three in a row. (Lgb)
3286                                 os << '\n';
3287                                 texrow.newline();
3288                         }
3289                         par = par->TeXDeeper(buf, bparams, os, texrow
3290 #ifndef NEW_INSETS
3291                                              ,foot, foot_texrow, foot_count
3292 #endif
3293                                 );
3294                 }
3295                 if (par && par->layout == layout && par->depth == depth &&
3296                     (par->pextra_type == PEXTRA_MINIPAGE) && !minipage_open) {
3297                         if (par->pextra_hfill && par->Previous() &&
3298                             (par->Previous()->pextra_type == PEXTRA_MINIPAGE)){
3299                                 os << "\\hfill{}\n";
3300                                 texrow.newline();
3301                         }
3302                         if (par_sep == BufferParams::PARSEP_INDENT) {
3303                                 os << "{\\setlength\\parindent{0pt}\n";
3304                                 texrow.newline();
3305                         }
3306                         os << "\\begin{minipage}";
3307                         switch(par->pextra_alignment) {
3308                         case MINIPAGE_ALIGN_TOP:
3309                                 os << "[t]";
3310                                 break;
3311                         case MINIPAGE_ALIGN_MIDDLE:
3312                                 os << "[m]";
3313                                 break;
3314                         case MINIPAGE_ALIGN_BOTTOM:
3315                                 os << "[b]";
3316                                 break;
3317                         }
3318                         if (!par->pextra_width.empty()) {
3319                                 os << '{' << par->pextra_width << "}\n";
3320                         } else {
3321                                 //float ib = atof(par->pextra_widthp.c_str())/100;
3322                                 // string can't handle floats at present
3323                                 // so I'll do a conversion by hand knowing that
3324                                 // the limits are 0.0 to 1.0. ARRae.
3325                                 os << '{';
3326                                 switch (par->pextra_widthp.length()) {
3327                                 case 3:
3328                                         os << "1.00";
3329                                         break;
3330                                 case 2:
3331                                         os << "0." << par->pextra_widthp;
3332                                         break;
3333                                 case 1:
3334                                         os << "0.0" << par->pextra_widthp;
3335                                 }
3336                                 os << "\\columnwidth}\n";
3337                         }
3338                         texrow.newline();
3339                         if (par_sep == BufferParams::PARSEP_INDENT) {
3340                                 os << "\\setlength\\parindent{\\LyXMinipageIndent}\n";
3341                                 texrow.newline();
3342                         }
3343                         minipage_open = true;
3344                         minipage_open_depth = par->depth;
3345                 }
3346         } while (par
3347                  && par->layout == layout
3348                  && par->depth == depth
3349                  && par->pextra_type == pextra_type
3350 #ifndef NEW_INSETS
3351                  && par->footnoteflag == footnoteflag
3352 #endif
3353                 );
3354
3355         if (style.isEnvironment()) {
3356                 os << "\\end{" << style.latexname() << '}';
3357 #ifndef NEW_INSETS
3358                 // maybe this should go after the minipage closes?
3359                 if (foot_this_level) {
3360                         if (foot_count >= 1) {
3361                                 if (foot_count > 1) {
3362                                         os << "\\addtocounter{footnote}{-"
3363                                            << foot_count - 1
3364                                            << '}';
3365                                 }
3366                                 os << foot;
3367                                 texrow += foot_texrow;
3368                                 foot.clear();
3369                                 foot_texrow.reset();
3370                                 foot_count = 0;
3371                         }
3372                 }
3373 #endif
3374         }
3375         if (minipage_open && (minipage_open_depth == depth) &&
3376             (!par || par->pextra_start_minipage ||
3377              par->pextra_type != PEXTRA_MINIPAGE)) {
3378                 os << "\\end{minipage}\n";
3379                 texrow.newline();
3380                 if (par_sep == BufferParams::PARSEP_INDENT) {
3381                         os << "}\n";
3382                         texrow.newline();
3383                 }
3384                 if (par && par->pextra_type != PEXTRA_MINIPAGE) {
3385                         os << "\\medskip\n\n";
3386                         texrow.newline();
3387                         texrow.newline();
3388                 }
3389                 minipage_open = false;
3390         }
3391         if (eindent_open) {
3392                 os << "\\end{LyXParagraphIndent}\n";
3393                 texrow.newline();
3394         }
3395         if (!(par && (par->pextra_type == PEXTRA_MINIPAGE)
3396               && par->pextra_hfill)) {
3397                 os << '\n';
3398                 texrow.newline();
3399         }
3400         lyxerr[Debug::LATEX] << "TeXEnvironment...done " << par << endl;
3401         return par;  // ale970302
3402 }
3403
3404
3405 #ifndef NEW_INSETS
3406 LyXParagraph * LyXParagraph::TeXFootnote(Buffer const * buf,
3407                                          BufferParams const & bparams,
3408                                          ostream & os, TexRow & texrow,
3409                                          ostream & foot, TexRow & foot_texrow,
3410                                          int & foot_count,
3411                                          bool parent_is_rtl)
3412 {
3413         lyxerr[Debug::LATEX] << "TeXFootnote...  " << this << endl;
3414         if (footnoteflag == LyXParagraph::NO_FOOTNOTE)
3415                 lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
3416                         "No footnote!" << endl;
3417
3418         LyXParagraph * par = this;
3419         LyXLayout const & style =
3420                 textclasslist.Style(bparams.textclass,
3421                                     previous->GetLayout());
3422
3423         if (style.needprotect && footnotekind != LyXParagraph::FOOTNOTE){
3424                 lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
3425                         "Float other than footnote in command"
3426                         " with moving argument is illegal" << endl;
3427         }
3428
3429         if (footnotekind != LyXParagraph::FOOTNOTE
3430             && footnotekind != LyXParagraph::MARGIN
3431             && os.tellp()
3432             // Thinko
3433             // How to solve this?
3434             //&& !suffixIs(file, '\n')
3435                 ) {
3436                 // we need to ensure that real floats like tables and figures
3437                 // have their \begin{} on a new line otherwise we can get
3438                 // incorrect results when using the endfloat.sty package
3439                 // especially if two floats follow one another.  ARRae 981022
3440                 // NOTE: if the file is length 0 it must have just been
3441                 //       written out so we assume it ended with a '\n'
3442                 // Thinkee:
3443                 // As far as I can see there is never any harm in writing
3444                 // a '\n' too much. Please tell me if I am wrong. (Lgb)
3445                 os << '\n';
3446                 texrow.newline();
3447         }
3448
3449         bool moving_arg = false;
3450         bool need_closing = false;
3451         bool is_rtl = isRightToLeftPar(bparams);
3452
3453         if (is_rtl != parent_is_rtl) {
3454                 if (is_rtl)
3455                         os << "\\R{";
3456                 else
3457                         os << "\\L{";
3458                 need_closing = true;
3459         }
3460
3461         bool footer_in_body = true;
3462         switch (footnotekind) {
3463         case LyXParagraph::FOOTNOTE:
3464                 if (style.intitle) {
3465                         os << "\\thanks{\n";
3466                         footer_in_body = false;
3467                         moving_arg = true;
3468                 } else {
3469                         if (foot_count == -1) {
3470                                 // we're at depth 0 so we can use:
3471                                 os << "\\footnote{%\n";
3472                                 footer_in_body = false;
3473                         } else {
3474                                 os << "\\footnotemark{}%\n";
3475                                 if (foot_count) {
3476                                         // we only need this when there are
3477                                         // multiple footnotes
3478                                         os << "\\stepcounter{footnote}";
3479                                 }
3480                                 os << "\\footnotetext{%\n";
3481                                 foot_texrow.start(this, 0);
3482                                 foot_texrow.newline();
3483                                 ++foot_count;
3484                         }
3485                 }
3486                 break;
3487         case LyXParagraph::MARGIN:
3488                 os << "\\marginpar{\n";
3489                 break;
3490         case LyXParagraph::FIG:
3491                 if (pextra_type == PEXTRA_FLOATFLT
3492                     && (!pextra_width.empty()
3493                         || !pextra_widthp.empty())) {
3494                         if (!pextra_width.empty())
3495                                 os << "\\begin{floatingfigure}{"
3496                                    << pextra_width << "}\n";
3497                         else
3498                                 os << "\\begin{floatingfigure}{"
3499                                    << lyx::atoi(pextra_widthp) / 100.0
3500                                    << "\\textwidth}\n";
3501                 } else {
3502                         os << "\\begin{figure}";
3503                         if (!bparams.float_placement.empty()) {
3504                                 os << '[' << bparams.float_placement << "]\n";
3505                         } else {
3506                                 os << '\n';
3507                         }
3508                 }
3509                 break;
3510         case LyXParagraph::TAB:
3511                 os << "\\begin{table}";
3512                 if (!bparams.float_placement.empty()) {
3513                         os << '[' << bparams.float_placement << "]\n";
3514                 } else {
3515                         os << '\n';
3516                 }
3517                 break;
3518         case LyXParagraph::WIDE_FIG:
3519                 os << "\\begin{figure*}";
3520                 if (!bparams.float_placement.empty()) {
3521                         os << '[' << bparams.float_placement << "]\n";
3522                 } else {
3523                         os << '\n';
3524                 }
3525                 break;
3526         case LyXParagraph::WIDE_TAB:
3527                 os << "\\begin{table*}";
3528                 if (!bparams.float_placement.empty()) {
3529                         os << '[' << bparams.float_placement << "]\n";
3530                 } else {
3531                         os << '\n';
3532                 }
3533                 break;
3534         case LyXParagraph::ALGORITHM:
3535                 os << "\\begin{algorithm}\n";
3536                 break;
3537         }
3538         texrow.newline();
3539
3540         if (footnotekind != LyXParagraph::FOOTNOTE
3541             || !footer_in_body) {
3542                 // Process text for all floats except footnotes in body
3543                 do {
3544                         LyXLayout const & style =
3545                                 textclasslist
3546                                 .Style(bparams.textclass, par->layout);
3547                         if (par->IsDummy())
3548                                 lyxerr << "ERROR (LyXParagraph::TeXFootnote)"
3549                                        << endl;
3550                         if (style.isEnvironment()
3551                             || par->pextra_type == PEXTRA_MINIPAGE) { /* && !minipage_open ?? */
3552                                 // Allows the use of minipages within float
3553                                 // environments. Shouldn't be circular because
3554                                 // we don't support footnotes inside
3555                                 // floats (yet). ARRae
3556                                 par = par->TeXEnvironment(buf, bparams, os,
3557                                                           texrow,
3558                                                           foot, foot_texrow,
3559                                                           foot_count);
3560                         } else {
3561                                 par = par->TeXOnePar(buf, bparams,
3562                                                      os, texrow, moving_arg,
3563                                                      foot, foot_texrow,
3564                                                      foot_count);
3565                         }
3566
3567                         if (par && !par->IsDummy() && par->depth > depth) {
3568                                 par = par->TeXDeeper(buf, bparams, os, texrow,
3569                                                      foot, foot_texrow,
3570                                                      foot_count);
3571                         }
3572                 } while (par && par->footnoteflag != LyXParagraph::NO_FOOTNOTE);
3573         } else {
3574                 // process footnotes > depth 0 or in environments separately
3575                 // NOTE: Currently don't support footnotes within footnotes
3576                 //       even though that is possible using the \footnotemark
3577                 std::ostringstream dummy;
3578                 TexRow dummy_texrow;
3579                 int dummy_count = 0;
3580                 do {
3581                         LyXLayout const & style =
3582                                 textclasslist
3583                                 .Style(bparams.textclass, par->layout);
3584                         if (par->IsDummy())
3585                                 lyxerr << "ERROR (LyXParagraph::TeXFootnote)"
3586                                        << endl;
3587                         if (style.isEnvironment()
3588                             || par->pextra_type == PEXTRA_MINIPAGE) { /* && !minipage_open ?? */
3589                                 // Allows the use of minipages within float
3590                                 // environments. Shouldn't be circular because
3591                                 // we don't support footnotes inside
3592                                 // floats (yet). ARRae
3593                                 par = par->TeXEnvironment(buf, bparams,
3594                                                           foot, foot_texrow,
3595                                                           dummy, dummy_texrow,
3596                                                           dummy_count);
3597                         } else {
3598                                 par = par->TeXOnePar(buf, bparams,
3599                                                      foot, foot_texrow,
3600                                                      moving_arg,
3601                                                      dummy, dummy_texrow,
3602                                                      dummy_count);
3603                         }
3604
3605                         if (par && !par->IsDummy() && par->depth > depth) {
3606                                 par = par->TeXDeeper(buf, bparams,
3607                                                      foot, foot_texrow,
3608                                                      dummy, dummy_texrow,
3609                                                      dummy_count);
3610                         }
3611                 } while (par
3612                          && par->footnoteflag != LyXParagraph::NO_FOOTNOTE);
3613                 if (dummy_count) {
3614                         lyxerr << "ERROR (LyXParagraph::TeXFootnote): "
3615                                 "Footnote in a Footnote -- not supported"
3616                                << endl;
3617                 }
3618 //#ifndef HAVE_OSTREAM
3619 //              delete [] dummy.str();
3620 //#endif
3621         }
3622
3623         switch (footnotekind) {
3624         case LyXParagraph::FOOTNOTE:
3625                 if (footer_in_body) {
3626                         // This helps tell which of the multiple
3627                         // footnotetexts an error was in.
3628                         foot << "}%\n";
3629                         foot_texrow.newline();
3630                 } else {
3631                         os << '}';
3632                 }
3633                 break;
3634         case LyXParagraph::MARGIN:
3635                 os << '}';
3636                 break;
3637         case LyXParagraph::FIG:
3638                 if (pextra_type == PEXTRA_FLOATFLT
3639                     && (!pextra_width.empty()
3640                         || !pextra_widthp.empty()))
3641                         os << "\\end{floatingfigure}";
3642                 else
3643                         os << "\\end{figure}";
3644                 break;
3645         case LyXParagraph::TAB:
3646                 os << "\\end{table}";
3647                 break;
3648         case LyXParagraph::WIDE_FIG:
3649                 os << "\\end{figure*}";
3650                 break;
3651         case LyXParagraph::WIDE_TAB:
3652                 os << "\\end{table*}";
3653                 break;
3654         case LyXParagraph::ALGORITHM:
3655                 os << "\\end{algorithm}";
3656                 break;
3657         }
3658
3659         if (need_closing)
3660                 os << "}";
3661
3662         if (footnotekind != LyXParagraph::FOOTNOTE
3663             && footnotekind != LyXParagraph::MARGIN) {
3664                 // we need to ensure that real floats like tables and figures
3665                 // have their \end{} on a line of their own otherwise we can
3666                 // get incorrect results when using the endfloat.sty package.
3667                 os << "\n";
3668                 texrow.newline();
3669         }
3670
3671         lyxerr[Debug::LATEX] << "TeXFootnote...done " << par->next << endl;
3672         return par;
3673 }
3674
3675
3676 bool LyXParagraph::IsDummy() const
3677 {
3678         return (footnoteflag == LyXParagraph::NO_FOOTNOTE && previous
3679                 && previous->footnoteflag != LyXParagraph::NO_FOOTNOTE);
3680 }
3681 #endif
3682
3683 void LyXParagraph::SetPExtraType(BufferParams const & bparams,
3684                                  int type, string const & width,
3685                                  string const & widthp)
3686 {
3687         pextra_type = type;
3688         pextra_width = width;
3689         pextra_widthp = widthp;
3690
3691         if (textclasslist.Style(bparams.textclass,
3692                                 layout).isEnvironment()) {
3693                 LyXParagraph * par = this;
3694                 LyXParagraph * ppar = par;
3695
3696                 while (par && (par->layout == layout)
3697                        && (par->depth == depth)) {
3698                         ppar = par;
3699                         par = par->Previous();
3700 #ifndef NEW_INSETS
3701                         if (par)
3702                                 par = par->FirstPhysicalPar();
3703 #endif
3704                         while (par && par->depth > depth) {
3705                                 par = par->Previous();
3706 #ifndef NEW_INSETS
3707                                 if (par)
3708                                         par = par->FirstPhysicalPar();
3709 #endif
3710                         }
3711                 }
3712                 par = ppar;
3713                 while (par && (par->layout == layout)
3714                        && (par->depth == depth)) {
3715                         par->pextra_type = type;
3716                         par->pextra_width = width;
3717                         par->pextra_widthp = widthp;
3718 #ifndef NEW_INSETS
3719                         par = par->NextAfterFootnote();
3720 #else
3721                         par = par->Next();
3722 #endif
3723                         if (par && (par->depth > depth))
3724                                 par->SetPExtraType(bparams,
3725                                                    type, width, widthp);
3726 #ifndef NEW_INSETS
3727                         while (par && ((par->depth > depth) || par->IsDummy()))
3728                                 par = par->NextAfterFootnote();
3729 #else
3730                         while (par && ((par->depth > depth)))
3731                                 par = par->Next();
3732 #endif
3733                 }
3734         }
3735 }
3736
3737
3738 void LyXParagraph::UnsetPExtraType(BufferParams const & bparams)
3739 {
3740         if (pextra_type == PEXTRA_NONE)
3741                 return;
3742
3743         pextra_type = PEXTRA_NONE;
3744         pextra_width.erase();
3745         pextra_widthp.erase();
3746
3747         if (textclasslist.Style(bparams.textclass,
3748                                 layout).isEnvironment()) {
3749                 LyXParagraph * par = this;
3750                 LyXParagraph * ppar = par;
3751
3752                 while (par && (par->layout == layout)
3753                        && (par->depth == depth)) {
3754                         ppar = par;
3755                         par = par->Previous();
3756 #ifndef NEW_INSETS
3757                         if (par)
3758                                 par = par->FirstPhysicalPar();
3759 #endif
3760                         while (par && par->depth > depth) {
3761                                 par = par->Previous();
3762 #ifndef NEW_INSETS
3763                                 if (par)
3764                                         par = par->FirstPhysicalPar();
3765 #endif
3766                         }
3767                 }
3768                 par = ppar;
3769                 while (par && (par->layout == layout)
3770                        && (par->depth == depth)) {
3771                         par->pextra_type = PEXTRA_NONE;
3772                         par->pextra_width.erase();
3773                         par->pextra_widthp.erase();
3774 #ifndef NEW_INSETS
3775                         par = par->NextAfterFootnote();
3776 #else
3777                         par = par->Next();
3778 #endif
3779                         if (par && (par->depth > depth))
3780                                 par->UnsetPExtraType(bparams);
3781 #ifndef NEW_INSETS
3782                         while (par && ((par->depth > depth) || par->IsDummy()))
3783                                 par = par->NextAfterFootnote();
3784 #else
3785                         while (par && ((par->depth > depth)))
3786                                 par = par->Next();
3787 #endif
3788                 }
3789         }
3790 }
3791
3792
3793 bool LyXParagraph::IsHfill(size_type pos) const
3794 {
3795         return IsHfillChar(GetChar(pos));
3796 }
3797
3798
3799 bool LyXParagraph::IsInset(size_type pos) const
3800 {
3801         return IsInsetChar(GetChar(pos));
3802 }
3803
3804
3805 #ifndef NEW_INSETS
3806 bool LyXParagraph::IsFloat(size_type pos) const
3807 {
3808         return IsFloatChar(GetChar(pos));
3809 }
3810 #endif
3811
3812
3813 bool LyXParagraph::IsNewline(size_type pos) const
3814 {
3815         return pos >= 0 && IsNewlineChar(GetChar(pos));
3816 }
3817
3818
3819 bool LyXParagraph::IsSeparator(size_type pos) const
3820 {
3821         return IsSeparatorChar(GetChar(pos));
3822 }
3823
3824
3825 bool LyXParagraph::IsLineSeparator(size_type pos) const
3826 {
3827         return IsLineSeparatorChar(GetChar(pos));
3828 }
3829
3830
3831 bool LyXParagraph::IsKomma(size_type pos) const
3832 {
3833         return IsKommaChar(GetChar(pos));
3834 }
3835
3836
3837 /// Used by the spellchecker
3838 bool LyXParagraph::IsLetter(LyXParagraph::size_type pos) const
3839 {
3840         value_type c = GetChar(pos);
3841         if (IsLetterChar(c))
3842                 return true;
3843         // '\0' is not a letter, allthough every string contains "" (below)
3844         if( c == '\0')
3845                 return false;
3846         // We want to pass the ' and escape chars to ispell
3847         string extra = lyxrc.isp_esc_chars + '\'';
3848         char ch[2] = { c, 0 };
3849         return contains(extra, ch);
3850 }
3851
3852
3853 bool LyXParagraph::IsWord(size_type pos ) const
3854 {
3855         return IsWordChar(GetChar(pos)) ;
3856 }
3857
3858
3859 Language const *
3860 LyXParagraph::getParLanguage(BufferParams const & bparams) const
3861 {
3862 #ifndef NEW_INSETS
3863         if (IsDummy())
3864                 return FirstPhysicalPar()->getParLanguage(bparams);
3865         else
3866 #endif
3867         if (size() > 0) {
3868                 Language const * lang = GetFirstFontSettings().language();
3869
3870                 if (lang->lang() == default_language->lang())
3871                         return bparams.language_info;
3872                 return lang;
3873         } else if (previous)
3874                 return previous->getParLanguage(bparams);
3875
3876                 return bparams.language_info;
3877 }
3878
3879
3880 bool LyXParagraph::isRightToLeftPar(BufferParams const & bparams) const
3881 {
3882         return lyxrc.rtl_support
3883                 && getParLanguage(bparams)->RightToLeft();
3884 }
3885
3886
3887 void LyXParagraph::ChangeLanguage(BufferParams const & bparams,
3888                                   Language const * from, Language const * to)
3889 {
3890         for(size_type i = 0; i < size(); ++i) {
3891                 LyXFont font = GetFontSettings(bparams, i);
3892                 if (font.language() == from) {
3893                         font.setLanguage(to);
3894                         SetFont(i, font);
3895                 }
3896         }
3897 }
3898
3899
3900 bool LyXParagraph::isMultiLingual(BufferParams const & bparams)
3901 {
3902         Language const * doc_language = bparams.language_info;
3903         for (FontList::const_iterator cit = fontlist.begin();
3904              cit != fontlist.end(); ++cit)
3905                 if ((*cit).font.language() != doc_language)
3906                         return true;
3907         return false;
3908 }
3909
3910
3911 // Convert the paragraph to a string.
3912 // Used for building the table of contents
3913 string const LyXParagraph::String(Buffer const * buffer, bool label)
3914 {
3915         BufferParams const & bparams = buffer->params;
3916         string s;
3917 #ifndef NEW_INSETS
3918         if (label && !IsDummy() && !labelstring.empty())
3919 #else
3920         if (label && !labelstring.empty())
3921 #endif
3922                 s += labelstring + ' ';
3923         string::size_type len = s.size();
3924
3925         for (LyXParagraph::size_type i = 0; i < size(); ++i) {
3926                 value_type c = GetChar(i);
3927                 if (IsPrintable(c))
3928                         s += c;
3929                 else if (c == META_INSET &&
3930                          GetInset(i)->LyxCode() == Inset::MATH_CODE) {
3931                         std::ostringstream ost;
3932                         GetInset(i)->Ascii(buffer, ost);
3933                         s += subst(ost.str(),'\n',' ');
3934                 }
3935         }
3936
3937 #ifndef NEW_INSETS
3938         if (next && next->footnoteflag != LyXParagraph::NO_FOOTNOTE
3939             && footnoteflag == LyXParagraph::NO_FOOTNOTE)
3940                 s += NextAfterFootnote()->String(buffer, false);
3941
3942         if (!IsDummy()) {
3943 #endif
3944                 if (isRightToLeftPar(bparams))
3945                         reverse(s.begin() + len,s.end());
3946 #ifndef NEW_INSETS
3947         }
3948 #endif
3949         return s;
3950 }
3951
3952
3953 string const LyXParagraph::String(Buffer const * buffer,
3954                             LyXParagraph::size_type beg,
3955                             LyXParagraph::size_type end)
3956 {
3957         string s;
3958
3959 #ifndef NEW_INSETS
3960         if (beg == 0 && !IsDummy() && !labelstring.empty())
3961 #else
3962         if (beg == 0 && !labelstring.empty())
3963 #endif
3964                 s += labelstring + ' ';
3965
3966         for (LyXParagraph::size_type i = beg; i < end; ++i) {
3967                 value_type c = GetChar(i);
3968                 if (IsPrintable(c))
3969                         s += c;
3970                 else if (c == META_INSET) {
3971                         std::ostringstream ost;
3972                         GetInset(i)->Ascii(buffer, ost);
3973                         s += ost.str();
3974                 }
3975         }
3976
3977         return s;
3978 }
3979
3980
3981 void LyXParagraph::SetInsetOwner(Inset * i)
3982 {
3983         inset_owner = i;
3984         for (InsetList::const_iterator cit = insetlist.begin();
3985              cit != insetlist.end(); ++cit) {
3986                 if ((*cit).inset)
3987                         (*cit).inset->setOwner(i);
3988         }
3989 }
3990
3991
3992 void LyXParagraph::deleteInsetsLyXText(BufferView * bv)
3993 {
3994         // then the insets
3995         for (InsetList::const_iterator cit = insetlist.begin();
3996              cit != insetlist.end(); ++cit) {
3997                 if ((*cit).inset) {
3998                         if ((*cit).inset->IsTextInset()) {
3999                                 static_cast<UpdatableInset *>
4000                                         ((*cit).inset)->deleteLyXText(bv);
4001                         }
4002                 }
4003         }
4004 }
4005
4006
4007 void LyXParagraph::resizeInsetsLyXText(BufferView * bv)
4008 {
4009         // then the insets
4010         for (InsetList::const_iterator cit = insetlist.begin();
4011              cit != insetlist.end(); ++cit) {
4012                 if ((*cit).inset) {
4013                         if ((*cit).inset->IsTextInset()) {
4014                                 static_cast<UpdatableInset *>
4015                                         ((*cit).inset)->resizeLyXText(bv);
4016                         }
4017                 }
4018         }
4019 }