src/BufferView2.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1995 Matthias Ettrich
   8  *           Copyright 1995-2000 The LyX Team.
   9  *
  10  * ====================================================== */
  11
  12 #include <config.h>
  13
  14 #include <fstream>
  15 #include <algorithm>
  16
  17 #include "BufferView.h"
  18 #include "buffer.h"
  19 #include "lyxcursor.h"
  20 #include "lyxtext.h"
  21 #include "insets/inseterror.h"
  22 #include "insets/insetinfo.h"
  23 #include "insets/insetspecialchar.h"
  24 #include "LyXView.h"
  25 #include "minibuffer.h"
  26 #include "bufferlist.h"
  27 #include "support/FileInfo.h"
  28 #include "lyxscreen.h"
  29 #include "support/filetools.h"
  30 #include "lyx_gui_misc.h"
  31 #include "LaTeX.h"
  32 #include "BufferView_pimpl.h"
  33 #include "insets/insetcommand.h" //ChangeRefs
  34
  35 extern BufferList bufferlist;
  36
  37 using std::pair;
  38 using std::endl;
  39 using std::ifstream;
  40 using std::vector;
  41 using std::find;
  42 using std::count;
  43
  44 // Inserts a file into current document
  45 bool BufferView::insertLyXFile(string const & filen)
  46         //
  47         // Copyright CHT Software Service GmbH
  48         // Uwe C. Schroeder
  49         //
  50         // Insert a Lyxformat - file into current buffer
  51         //
  52         // Moved from lyx_cb.C (Lgb)
  53 {
  54         if (filen.empty()) return false;
  55
  56         string const fname = MakeAbsPath(filen);
  57
  58         // check if file exist
  59         FileInfo const fi(fname);
  60
  61         if (!fi.readable()) {
  62                 WriteAlert(_("Error!"),
  63                            _("Specified file is unreadable: "),
  64                            MakeDisplayPath(fname, 50));
  65                 return false;
  66         }
  67
  68         beforeChange();
  69
  70         ifstream ifs(fname.c_str());
  71         if (!ifs) {
  72                 WriteAlert(_("Error!"),
  73                            _("Cannot open specified file: "),
  74                            MakeDisplayPath(fname, 50));
  75                 return false;
  76         }
  77
  78         char const c = ifs.peek();
  79
  80         LyXLex lex(0, 0);
  81         lex.setStream(ifs);
  82
  83         bool res = true;
  84
  85         if (c == '#') {
  86                 lyxerr.debug() << "Will insert file with header" << endl;
  87                 res = buffer()->readFile(lex, text->cursor.par());
  88         } else {
  89                 lyxerr.debug() << "Will insert file without header" << endl;
  90                 res = buffer()->readLyXformat2(lex, text->cursor.par());
  91         }
  92
  93         resize();
  94         return res;
  95 }
  96
  97
  98 bool BufferView::removeAutoInsets()
  99 {
 100         LyXParagraph * par = buffer()->paragraph;
 101
 102         LyXCursor tmpcursor = text->cursor;
 103         LyXCursor cursor;
 104
 105         bool a = false;
 106         while (par) {
 107                 // this has to be done before the delete
 108 #ifndef NEW_INSETS
 109                 if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
 110 #endif
 111                         text->SetCursor(this, cursor, par, 0);
 112                 if (par->AutoDeleteInsets()){
 113                         a = true;
 114 #ifndef NEW_INSETS
 115                         if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
 116 #endif
 117                                 text->RedoParagraphs(this, cursor,
 118                                                      cursor.par()->Next());
 119                                 text->FullRebreak(this);
 120 #ifndef NEW_INSETS
 121                         }
 122 #endif
 123                 }
 124                 par = par->next;
 125         }
 126         // avoid forbidden cursor positions caused by error removing
 127         if (tmpcursor.pos() > tmpcursor.par()->Last())
 128                 tmpcursor.pos(tmpcursor.par()->Last());
 129         text->SetCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
 130
 131         return a;
 132 }
 133
 134
 135 void BufferView::insertErrors(TeXErrors & terr)
 136 {
 137         // Save the cursor position
 138         LyXCursor cursor = text->cursor;
 139
 140 #ifndef NEW_INSETS
 141         // This is drastic, but it's the only fix, I could find. (Asger)
 142         allFloats(1, 0);
 143         allFloats(1, 1);
 144 #endif
 145
 146         for (TeXErrors::Errors::const_iterator cit = terr.begin();
 147              cit != terr.end();
 148              ++cit) {
 149                 string const desctext((*cit).error_desc);
 150                 string const errortext((*cit).error_text);
 151                 string const msgtxt = desctext + '\n' + errortext;
 152                 int const errorrow = (*cit).error_in_line;
 153
 154                 // Insert error string for row number
 155                 int tmpid = -1;
 156                 int tmppos = -1;
 157
 158                 if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
 159                         buffer()->texrow.increasePos(tmpid, tmppos);
 160                 }
 161
 162                 LyXParagraph * texrowpar = 0;
 163
 164                 if (tmpid == -1) {
 165                         texrowpar = text->FirstParagraph();
 166                         tmppos = 0;
 167                 } else {
 168                         texrowpar = text->GetParFromID(tmpid);
 169                 }
 170
 171                 if (texrowpar == 0)
 172                         continue;
 173
 174                 InsetError * new_inset = new InsetError(msgtxt);
 175                 text->SetCursorIntern(this, texrowpar, tmppos);
 176                 text->InsertInset(this, new_inset);
 177                 text->FullRebreak(this);
 178         }
 179         // Restore the cursor position
 180         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 181 }
 182
 183
 184 void BufferView::setCursorFromRow(int row)
 185 {
 186         int tmpid = -1;
 187         int tmppos = -1;
 188
 189         buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
 190
 191         LyXParagraph * texrowpar;
 192
 193         if (tmpid == -1) {
 194                 texrowpar = text->FirstParagraph();
 195                 tmppos = 0;
 196         } else {
 197                 texrowpar = text->GetParFromID(tmpid);
 198         }
 199         text->SetCursor(this, texrowpar, tmppos);
 200 }
 201
 202
 203 bool BufferView::insertInset(Inset * inset, string const & lout,
 204                              bool /*no_table*/)
 205 {
 206         // if we are in a locking inset we should try to insert the
 207         // inset there otherwise this is a illegal function now
 208         if (theLockingInset()) {
 209                 if (theLockingInset()->InsertInsetAllowed(inset))
 210                     return theLockingInset()->InsertInset(this, inset);
 211                 return false;
 212         }
 213
 214         // not quite sure if we want this...
 215         text->SetCursorParUndo(buffer());
 216         text->FreezeUndo();
 217
 218         beforeChange();
 219         if (!lout.empty()) {
 220                 update(BufferView::SELECT|BufferView::FITCUR);
 221                 text->BreakParagraph(this);
 222                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 223
 224                 if (text->cursor.par()->Last()) {
 225                         text->CursorLeft(this);
 226
 227                         text->BreakParagraph(this);
 228                         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 229                 }
 230
 231                 pair<bool, LyXTextClass::size_type> lres =
 232                         textclasslist.NumberOfLayout(buffer()->params
 233                                                      .textclass, lout);
 234                 LyXTextClass::size_type lay;
 235                 if (lres.first != false) {
 236                         // layout found
 237                         lay = lres.second;
 238                 } else {
 239                         // layout not fount using default "Standard" (0)
 240                         lay = 0;
 241                 }
 242
 243                 text->SetLayout(this, lay);
 244
 245                 text->SetParagraph(this, 0, 0,
 246                                    0, 0,
 247                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
 248                                    LYX_ALIGN_LAYOUT,
 249                                    string(),
 250                                    0);
 251                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 252
 253                 text->current_font.setLatex(LyXFont::OFF);
 254         }
 255
 256         text->InsertInset(this, inset);
 257         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 258
 259         text->UnFreezeUndo();
 260         return true;
 261 }
 262
 263
 264 // Open and lock an updatable inset
 265 bool BufferView::open_new_inset(UpdatableInset * new_inset, bool behind)
 266 {
 267         beforeChange();
 268         text->FinishUndo();
 269         if (!insertInset(new_inset)) {
 270                 delete new_inset;
 271                 return false;
 272         }
 273         if (behind) {
 274                 LyXFont & font = getLyXText()->real_current_font;
 275                 new_inset->Edit(this, new_inset->width(this, font), 0, 0);
 276         } else
 277                 new_inset->Edit(this, 0, 0, 0);
 278         return true;
 279 }
 280
 281 /* This is also a buffer property (ale) */
 282 // Not so sure about that. a goto Label function can not be buffer local, just
 283 // think how this will work in a multiwindo/buffer environment, all the
 284 // cursors in all the views showing this buffer will move. (Lgb)
 285 // OK, then no cursor action should be allowed in buffer. (ale)
 286 bool BufferView::gotoLabel(string const & label)
 287
 288 {
 289         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 290              it != buffer()->inset_iterator_end(); ++it) {
 291                 vector<string> labels = (*it)->getLabelList();
 292                 if (find(labels.begin(),labels.end(),label)
 293                      != labels.end()) {
 294                         beforeChange();
 295                         text->SetCursor(this, it.getPar(), it.getPos());
 296                         text->sel_cursor = text->cursor;
 297                         update(BufferView::SELECT|BufferView::FITCUR);
 298                         return true;
 299                 }
 300         }
 301         return false;
 302 }
 303
 304
 305 #ifndef NEW_INSETS
 306 void BufferView::allFloats(char flag, char figmar)
 307 {
 308         if (!available()) return;
 309
 310         LyXCursor cursor = text->cursor;
 311
 312         if (!flag
 313             && cursor.par()->footnoteflag != LyXParagraph::NO_FOOTNOTE
 314             && ((figmar
 315                  && cursor.par()->footnotekind != LyXParagraph::FOOTNOTE
 316                  && cursor.par()->footnotekind != LyXParagraph::MARGIN
 317                     )
 318                 || (!figmar
 319                     && cursor.par()->footnotekind != LyXParagraph::FIG
 320                     && cursor.par()->footnotekind != LyXParagraph::TAB
 321                     && cursor.par()->footnotekind != LyXParagraph::WIDE_FIG
 322                     && cursor.par()->footnotekind != LyXParagraph::WIDE_TAB
 323                     && cursor.par()->footnotekind != LyXParagraph::ALGORITHM)))
 324                 toggleFloat();
 325         else
 326                 beforeChange();
 327
 328         LyXCursor tmpcursor = cursor;
 329         cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
 330         cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
 331
 332         LyXParagraph *par = buffer()->paragraph;
 333         while (par) {
 334                 if (flag) {
 335                         if (par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE
 336                             && ((figmar
 337                                  && par->footnotekind != LyXParagraph::FOOTNOTE
 338                                  && par->footnotekind !=  LyXParagraph::MARGIN)
 339                                 || (!figmar
 340                                     && par->footnotekind != LyXParagraph::FIG
 341                                     && par->footnotekind != LyXParagraph::TAB
 342                                     && par->footnotekind != LyXParagraph::WIDE_FIG
 343                                     && par->footnotekind != LyXParagraph::WIDE_TAB
 344                                     && par->footnotekind != LyXParagraph::ALGORITHM
 345                                         )
 346                                     )
 347                                 ) {
 348                                 if (par->previous
 349                                     && par->previous->footnoteflag !=
 350                                     LyXParagraph::CLOSED_FOOTNOTE){ /* should be */
 351                                         text->SetCursorIntern(this,
 352                                                               par->previous,
 353                                                               0);
 354                                         text->OpenFootnote(this);
 355                                 }
 356                         }
 357                 } else {
 358                         if (par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE
 359                             && (
 360                                     (figmar
 361                                      &&
 362                                      par->footnotekind != LyXParagraph::FOOTNOTE
 363                                      &&
 364                                      par->footnotekind !=  LyXParagraph::MARGIN
 365                                             )
 366                                     ||
 367                                     (!figmar
 368                                      &&
 369                                      par->footnotekind != LyXParagraph::FIG
 370                                      &&
 371                                      par->footnotekind != LyXParagraph::TAB
 372                                      &&
 373                                      par->footnotekind != LyXParagraph::WIDE_FIG
 374                                      &&
 375                                      par->footnotekind != LyXParagraph::WIDE_TAB
 376                                      &&
 377                                      par->footnotekind != LyXParagraph::ALGORITHM
 378                                             )
 379                                     )
 380                                 ) {
 381                                 text->SetCursorIntern(this, par, 0);
 382                                 text->CloseFootnote(this);
 383                         }
 384                 }
 385                 par = par->next;
 386         }
 387
 388         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 389         redraw();
 390         fitCursor(text);
 391 }
 392 #endif
 393
 394
 395 void BufferView::insertNote()
 396 {
 397         InsetInfo * new_inset = new InsetInfo();
 398         insertInset(new_inset);
 399         new_inset->Edit(this, 0, 0, 0);
 400 }
 401
 402
 403 #ifndef NEW_INSETS
 404 void BufferView::openStuff()
 405 {
 406         if (available()) {
 407                 owner()->getMiniBuffer()->Set(_("Open/Close..."));
 408                 hideCursor();
 409                 beforeChange();
 410                 update(BufferView::SELECT|BufferView::FITCUR);
 411                 text->OpenStuff(this);
 412                 update(BufferView::SELECT|BufferView::FITCUR);
 413                 setState();
 414         }
 415 }
 416
 417
 418 void BufferView::toggleFloat()
 419 {
 420         if (available()) {
 421                 owner()->getMiniBuffer()->Set(_("Open/Close..."));
 422                 hideCursor();
 423                 beforeChange();
 424                 update(BufferView::SELECT|BufferView::FITCUR);
 425                 text->ToggleFootnote(this);
 426                 update(BufferView::SELECT|BufferView::FITCUR);
 427                 setState();
 428         }
 429 }
 430 #endif
 431
 432 void BufferView::menuUndo()
 433 {
 434         if (available()) {
 435                 owner()->getMiniBuffer()->Set(_("Undo"));
 436                 hideCursor();
 437                 beforeChange();
 438                 update(BufferView::SELECT|BufferView::FITCUR);
 439                 if (!text->TextUndo(this))
 440                         owner()->getMiniBuffer()->Set(_("No further undo information"));
 441                 else
 442                         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 443                 setState();
 444         }
 445 }
 446
 447
 448 void BufferView::menuRedo()
 449 {
 450         if (theLockingInset()) {
 451                 owner()->getMiniBuffer()->Set(_("Redo not yet supported in math mode"));
 452                 return;
 453         }
 454
 455         if (available()) {
 456                 owner()->getMiniBuffer()->Set(_("Redo"));
 457                 hideCursor();
 458                 beforeChange();
 459                 update(BufferView::SELECT|BufferView::FITCUR);
 460                 if (!text->TextRedo(this))
 461                         owner()->getMiniBuffer()->Set(_("No further redo information"));
 462                 else
 463                         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 464                 setState();
 465         }
 466 }
 467
 468
 469 void BufferView::hyphenationPoint()
 470 {
 471         if (available()) {
 472                 hideCursor();
 473                 update(BufferView::SELECT|BufferView::FITCUR);
 474                 InsetSpecialChar * new_inset =
 475                         new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
 476                 insertInset(new_inset);
 477         }
 478 }
 479
 480
 481 void BufferView::ldots()
 482 {
 483         if (available())  {
 484                 hideCursor();
 485                 update(BufferView::SELECT|BufferView::FITCUR);
 486                 InsetSpecialChar * new_inset =
 487                         new InsetSpecialChar(InsetSpecialChar::LDOTS);
 488                 insertInset(new_inset);
 489         }
 490 }
 491
 492
 493 void BufferView::endOfSentenceDot()
 494 {
 495         if (available()) {
 496                 hideCursor();
 497                 update(BufferView::SELECT|BufferView::FITCUR);
 498                 InsetSpecialChar * new_inset =
 499                         new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
 500                 insertInset(new_inset);
 501         }
 502 }
 503
 504
 505 void BufferView::menuSeparator()
 506 {
 507         if (available()) {
 508                 hideCursor();
 509                 update(BufferView::SELECT|BufferView::FITCUR);
 510                 InsetSpecialChar * new_inset =
 511                         new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR);
 512                 insertInset(new_inset);
 513         }
 514 }
 515
 516
 517 void BufferView::newline()
 518 {
 519         if (available()) {
 520                 hideCursor();
 521                 update(BufferView::SELECT|BufferView::FITCUR);
 522                 text->InsertChar(this, LyXParagraph::META_NEWLINE);
 523                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 524         }
 525 }
 526
 527
 528 void BufferView::protectedBlank()
 529 {
 530         if (available()) {
 531                 hideCursor();
 532                 update(BufferView::SELECT|BufferView::FITCUR);
 533                 InsetSpecialChar * new_inset =
 534                         new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
 535                 insertInset(new_inset);
 536         }
 537 }
 538
 539
 540 void BufferView::hfill()
 541 {
 542         if (available()) {
 543                 hideCursor();
 544                 update(BufferView::SELECT|BufferView::FITCUR);
 545                 text->InsertChar(this, LyXParagraph::META_HFILL);
 546                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 547         }
 548 }
 549
 550 void BufferView::copyEnvironment()
 551 {
 552         if (available()) {
 553                 text->copyEnvironmentType();
 554                 // clear the selection, even if mark_set
 555                 toggleSelection();
 556                 text->ClearSelection();
 557                 update(BufferView::SELECT|BufferView::FITCUR);
 558                 owner()->getMiniBuffer()->Set(_("Paragraph environment type copied"));
 559         }
 560 }
 561
 562
 563 void BufferView::pasteEnvironment()
 564 {
 565         if (available()) {
 566                 text->pasteEnvironmentType(this);
 567                 owner()->getMiniBuffer()->Set(_("Paragraph environment type set"));
 568                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 569         }
 570 }
 571
 572
 573 void BufferView::copy()
 574 {
 575         if (available()) {
 576                 text->CopySelection(this);
 577                 // clear the selection, even if mark_set
 578                 toggleSelection();
 579                 text->ClearSelection();
 580                 update(BufferView::SELECT|BufferView::FITCUR);
 581                 owner()->getMiniBuffer()->Set(_("Copy"));
 582         }
 583 }
 584
 585 void BufferView::cut()
 586 {
 587         if (available()) {
 588                 hideCursor();
 589                 update(BufferView::SELECT|BufferView::FITCUR);
 590                 text->CutSelection(this);
 591                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 592                 owner()->getMiniBuffer()->Set(_("Cut"));
 593         }
 594 }
 595
 596
 597 void BufferView::paste()
 598 {
 599         if (!available()) return;
 600
 601         owner()->getMiniBuffer()->Set(_("Paste"));
 602         hideCursor();
 603         // clear the selection
 604         toggleSelection();
 605         text->ClearSelection();
 606         update(BufferView::SELECT|BufferView::FITCUR);
 607
 608         // paste
 609         text->PasteSelection(this);
 610         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 611
 612         // clear the selection
 613         toggleSelection();
 614         text->ClearSelection();
 615         update(BufferView::SELECT|BufferView::FITCUR);
 616 }
 617
 618
 619 void BufferView::gotoNote()
 620 {
 621         if (!available()) return;
 622
 623         hideCursor();
 624         beforeChange();
 625         update(BufferView::SELECT|BufferView::FITCUR);
 626         LyXCursor tmp;
 627
 628         if (!text->GotoNextNote(this)) {
 629                 if (text->cursor.pos()
 630                     || text->cursor.par() != text->FirstParagraph()) {
 631                                 tmp = text->cursor;
 632                                 text->cursor.par(text->FirstParagraph());
 633                                 text->cursor.pos(0);
 634                                 if (!text->GotoNextNote(this)) {
 635                                         text->cursor = tmp;
 636                                         owner()->getMiniBuffer()->Set(_("No more notes"));
 637                                         LyXBell();
 638                                 }
 639                         } else {
 640                                 owner()->getMiniBuffer()->Set(_("No more notes"));
 641                                 LyXBell();
 642                         }
 643         }
 644         update(BufferView::SELECT|BufferView::FITCUR);
 645         text->sel_cursor = text->cursor;
 646 }
 647
 648
 649 void BufferView::insertCorrectQuote()
 650 {
 651         char c;
 652
 653         if (text->cursor.pos())
 654                 c = text->cursor.par()->GetChar(text->cursor.pos() - 1);
 655         else
 656                 c = ' ';
 657
 658         insertInset(new InsetQuotes(c, buffer()->params));
 659 }
 660
 661
 662 /* these functions are for the spellchecker */
 663 string const BufferView::nextWord(float & value)
 664 {
 665         if (!available()) {
 666                 value = 1;
 667                 return string();
 668         }
 669
 670         return text->SelectNextWord(this, value);
 671 }
 672
 673
 674 void BufferView::selectLastWord()
 675 {
 676         if (!available()) return;
 677
 678         hideCursor();
 679         beforeChange();
 680         text->SelectSelectedWord(this);
 681         toggleSelection(false);
 682         update(BufferView::SELECT|BufferView::FITCUR);
 683 }
 684
 685
 686 void BufferView::endOfSpellCheck()
 687 {
 688         if (!available()) return;
 689
 690         hideCursor();
 691         beforeChange();
 692         text->SelectSelectedWord(this);
 693         text->ClearSelection();
 694         update(BufferView::SELECT|BufferView::FITCUR);
 695 }
 696
 697
 698 void BufferView::replaceWord(string const & replacestring)
 699 {
 700         if (!available()) return;
 701
 702         hideCursor();
 703         update(BufferView::SELECT|BufferView::FITCUR);
 704
 705         /* clear the selection (if there is any) */
 706         toggleSelection(false);
 707         update(BufferView::SELECT|BufferView::FITCUR);
 708
 709         /* clear the selection (if there is any) */
 710         toggleSelection(false);
 711         text->ReplaceSelectionWithString(this, replacestring);
 712
 713         text->SetSelectionOverString(this, replacestring);
 714
 715         // Go back so that replacement string is also spellchecked
 716         for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
 717                 text->CursorLeft(this);
 718         }
 719         update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 720 }
 721 // End of spellchecker stuff
 722
 723
 724 bool BufferView::lockInset(UpdatableInset * inset)
 725 {
 726         if (!theLockingInset() && inset) {
 727                 theLockingInset(inset);
 728                 return true;
 729         } else if (inset) {
 730             return theLockingInset()->LockInsetInInset(this, inset);
 731         }
 732         return false;
 733 }
 734
 735
 736 void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
 737 {
 738         if (theLockingInset() && available()) {
 739                 LyXCursor cursor = text->cursor;
 740                 if ((cursor.pos() - 1 >= 0) &&
 741                     (cursor.par()->GetChar(cursor.pos() - 1) ==
 742                      LyXParagraph::META_INSET) &&
 743                     (cursor.par()->GetInset(cursor.pos() - 1) ==
 744                      theLockingInset()->GetLockingInset()))
 745                         text->SetCursor(this, cursor,
 746                                         cursor.par(), cursor.pos() - 1);
 747                 LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
 748                 LyXText * txt = getLyXText();
 749                 if (theLockingInset()->GetLockingInset()->LyxCode() ==
 750                     Inset::TEXT_CODE &&
 751                     (txt->real_current_font.language() !=
 752                      buffer()->params.language
 753                      || txt->real_current_font.isVisibleRightToLeft()
 754                      != buffer()->params.language->RightToLeft()))
 755                         shape = (txt->real_current_font.isVisibleRightToLeft())
 756                                 ? LyXScreen::REVERSED_L_SHAPE
 757                                 : LyXScreen::L_SHAPE;
 758                 y += cursor.y() + theLockingInset()->InsetInInsetY();
 759                 pimpl_->screen_->ShowManualCursor(text, x, y, asc, desc,
 760                                                   shape);
 761         }
 762 }
 763
 764
 765 void BufferView::hideLockedInsetCursor()
 766 {
 767         if (theLockingInset() && available()) {
 768                 pimpl_->screen_->HideCursor();
 769         }
 770 }
 771
 772
 773 void BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
 774 {
 775         if (theLockingInset() && available()) {
 776                 y += text->cursor.y() + theLockingInset()->InsetInInsetY();
 777                 if (pimpl_->screen_->FitManualCursor(text, this, x, y, asc, desc))
 778                         updateScrollbar();
 779         }
 780 }
 781
 782
 783 int BufferView::unlockInset(UpdatableInset * inset)
 784 {
 785         if (inset && theLockingInset() == inset) {
 786                 inset->InsetUnlock(this);
 787                 theLockingInset(0);
 788                 text->FinishUndo();
 789                 return 0;
 790         } else if (inset && theLockingInset() &&
 791                    theLockingInset()->UnlockInsetInInset(this, inset)) {
 792                 text->FinishUndo();
 793                 return 0;
 794         }
 795         return bufferlist.unlockInset(inset);
 796 }
 797
 798
 799 void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
 800 {
 801         if (!theLockingInset())
 802                 return; // shouldn't happen
 803         if (kind == Undo::EDIT) // in this case insets would not be stored!
 804                 kind = Undo::FINISH;
 805         text->SetUndo(buffer(), kind,
 806 #ifndef NEW_INSETS
 807                       text->cursor.par()->
 808                       ParFromPos(text->cursor.pos())->previous,
 809                       text->cursor.par()->
 810                       ParFromPos(text->cursor.pos())->next
 811 #else
 812                       text->cursor.par()->previous,
 813                       text->cursor.par()->next
 814 #endif
 815                 );
 816 }
 817
 818
 819 void BufferView::updateInset(Inset * inset, bool mark_dirty)
 820 {
 821         if (!inset)
 822                 return;
 823
 824         // first check for locking insets
 825         if (theLockingInset()) {
 826                 if (theLockingInset() == inset) {
 827                         if (text->UpdateInset(this, inset)) {
 828                                 update();
 829                                 if (mark_dirty) {
 830                                         if (buffer()->isLyxClean())
 831                                                 owner()->getMiniBuffer()->
 832                                                         setTimer(4);
 833                                         buffer()->markDirty();
 834                                 }
 835                                 updateScrollbar();
 836                                 return;
 837                         }
 838                 } else if (theLockingInset()->UpdateInsetInInset(this,inset)) {
 839                         if (text->UpdateInset(this, theLockingInset())) {
 840                                 update();
 841                                 if (mark_dirty){
 842                                         if (buffer()->isLyxClean())
 843                                                 owner()->getMiniBuffer()->
 844                                                         setTimer(4);
 845                                         buffer()->markDirty();
 846                                 }
 847                                 updateScrollbar();
 848                                 return;
 849                         }
 850                 }
 851         }
 852
 853         // then check the current buffer
 854         if (available()) {
 855                 hideCursor();
 856                 update(BufferView::UPDATE);
 857                 if (text->UpdateInset(this, inset)) {
 858                         if (mark_dirty)
 859                                 update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 860                         else
 861                                 update(SELECT);
 862                         return;
 863                 }
 864         }
 865 }
 866
 867
 868 bool BufferView::ChangeRefs(string const & from, string const & to)
 869 {
 870         bool flag = false;
 871         LyXParagraph * par = buffer()->paragraph;
 872         LyXCursor cursor = text->cursor;
 873         LyXCursor tmpcursor = cursor;
 874 #ifndef NEW_INSETS
 875         cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
 876         cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
 877 #else
 878         cursor.par(tmpcursor.par());
 879         cursor.pos(tmpcursor.pos());
 880 #endif
 881
 882         while (par) {
 883                 bool flag2 = false;
 884                 for (LyXParagraph::inset_iterator it = par->inset_iterator_begin();
 885                      it != par->inset_iterator_end(); ++it) {
 886                         if ((*it)->LyxCode() == Inset::REF_CODE) {
 887                                 InsetCommand * inset = static_cast<InsetCommand *>(*it);
 888                                 if (inset->getContents() == from) {
 889                                         inset->setContents(to);
 890                                         flag2 = true;
 891                                 }
 892                         }
 893                 }
 894                 if (flag2) {
 895                         flag = true;
 896 #ifndef NEW_INSETS
 897                         if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
 898 #endif
 899                                 // this is possible now, since SetCursor takes
 900                                 // care about footnotes
 901                                 text->SetCursorIntern(this, par, 0);
 902                                 text->RedoParagraphs(this, text->cursor,
 903                                                      text->cursor.par()->Next());
 904                                 text->FullRebreak(this);
 905 #ifndef NEW_INSETS
 906                         }
 907 #endif
 908                 }
 909                 par = par->next;
 910         }
 911         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 912         return flag;
 913 }
 914
 915
 916 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 917 {
 918         // Check if the label 'from' appears more than once
 919         vector<string> labels = buffer()->getLabelList();
 920         if (count(labels.begin(), labels.end(), from) > 1)
 921                 return false;
 922
 923         return ChangeRefs(from, to);
 924 }
 925
 926
 927 UpdatableInset * BufferView::theLockingInset() const
 928 {
 929         // If NULL is not allowed we should put an Assert here. (Lgb)
 930         if (text)
 931                 return text->the_locking_inset;
 932         return 0;
 933 }
 934
 935
 936 void BufferView::theLockingInset(UpdatableInset * inset)
 937 {
 938     text->the_locking_inset = inset;
 939 }
 940
 941
 942 LyXText * BufferView::getLyXText() const
 943 {
 944         if (theLockingInset()) {
 945                 LyXText * txt = theLockingInset()->getLyXText(this);
 946                 if (txt)
 947                         return txt;
 948         }
 949         return text;
 950 }
 951
 952
 953 LyXText * BufferView::getParentText(Inset * inset) const
 954 {
 955         if (inset->owner()) {
 956                 LyXText * txt = inset->getLyXText(this);
 957                 inset = inset->owner();
 958                 while (inset && inset->getLyXText(this) == txt)
 959                         inset = inset->owner();
 960                 if (inset)
 961                         return inset->getLyXText(this);
 962         }
 963         return text;
 964 }
 965
 966 Language const * BufferView::getParentLanguage(Inset * inset) const
 967 {
 968         LyXText * text = getParentText(inset);
 969         return text->cursor.par()->GetFontSettings(buffer()->params,
 970                                                    text->cursor.pos()).language();
 971 }