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 "bufferlist.h"
  26 #include "support/FileInfo.h"
  27 #include "lyxscreen.h"
  28 #include "support/filetools.h"
  29 #include "lyx_gui_misc.h"
  30 #include "LaTeX.h"
  31 #include "BufferView_pimpl.h"
  32 #include "insets/insetcommand.h" //ChangeRefs
  33 #include "support/lyxfunctional.h" //equal_1st_in_pair
  34 #include "language.h"
  35 #include "gettext.h"
  36
  37 extern BufferList bufferlist;
  38
  39 using std::pair;
  40 using std::endl;
  41 using std::ifstream;
  42 using std::vector;
  43 using std::find;
  44 using std::count;
  45 using std::count_if;
  46
  47 // Inserts a file into current document
  48 bool BufferView::insertLyXFile(string const & filen)
  49         //
  50         // Copyright CHT Software Service GmbH
  51         // Uwe C. Schroeder
  52         //
  53         // Insert a Lyxformat - file into current buffer
  54         //
  55         // Moved from lyx_cb.C (Lgb)
  56 {
  57         if (filen.empty()) return false;
  58
  59         string const fname = MakeAbsPath(filen);
  60
  61         // check if file exist
  62         FileInfo const fi(fname);
  63
  64         if (!fi.readable()) {
  65                 WriteAlert(_("Error!"),
  66                            _("Specified file is unreadable: "),
  67                            MakeDisplayPath(fname, 50));
  68                 return false;
  69         }
  70
  71         beforeChange(text);
  72
  73         ifstream ifs(fname.c_str());
  74         if (!ifs) {
  75                 WriteAlert(_("Error!"),
  76                            _("Cannot open specified file: "),
  77                            MakeDisplayPath(fname, 50));
  78                 return false;
  79         }
  80
  81         char const c = ifs.peek();
  82
  83         LyXLex lex(0, 0);
  84         lex.setStream(ifs);
  85
  86         bool res = true;
  87
  88         if (c == '#') {
  89                 lyxerr.debug() << "Will insert file with header" << endl;
  90                 res = buffer()->readFile(lex, text->cursor.par());
  91         } else {
  92                 lyxerr.debug() << "Will insert file without header" << endl;
  93                 res = buffer()->readLyXformat2(lex, text->cursor.par());
  94         }
  95
  96         resize();
  97         return res;
  98 }
  99
 100
 101 bool BufferView::removeAutoInsets()
 102 {
 103         LyXParagraph * par = buffer()->paragraph;
 104
 105         LyXCursor tmpcursor = text->cursor;
 106         LyXCursor cursor;
 107
 108         bool a = false;
 109
 110         while (par) {
 111                 // this has to be done before the delete
 112                 text->SetCursor(this, cursor, par, 0);
 113                 if (par->AutoDeleteInsets()){
 114                         a = true;
 115                         text->RedoParagraphs(this, cursor,
 116                                              cursor.par()->next());
 117                         text->FullRebreak(this);
 118                 }
 119                 par = par->next();
 120         }
 121
 122         // avoid forbidden cursor positions caused by error removing
 123         if (tmpcursor.pos() > tmpcursor.par()->size())
 124                 tmpcursor.pos(tmpcursor.par()->size());
 125
 126         text->SetCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
 127
 128         return a;
 129 }
 130
 131
 132 void BufferView::insertErrors(TeXErrors & terr)
 133 {
 134         // Save the cursor position
 135         LyXCursor cursor = text->cursor;
 136
 137         for (TeXErrors::Errors::const_iterator cit = terr.begin();
 138              cit != terr.end();
 139              ++cit) {
 140                 string const desctext((*cit).error_desc);
 141                 string const errortext((*cit).error_text);
 142                 string const msgtxt = desctext + '\n' + errortext;
 143                 int const errorrow = (*cit).error_in_line;
 144
 145                 // Insert error string for row number
 146                 int tmpid = -1;
 147                 int tmppos = -1;
 148
 149                 if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
 150                         buffer()->texrow.increasePos(tmpid, tmppos);
 151                 }
 152
 153                 LyXParagraph * texrowpar = 0;
 154
 155                 if (tmpid == -1) {
 156                         texrowpar = text->FirstParagraph();
 157                         tmppos = 0;
 158                 } else {
 159                         texrowpar = text->GetParFromID(tmpid);
 160                 }
 161
 162                 if (texrowpar == 0)
 163                         continue;
 164
 165                 InsetError * new_inset = new InsetError(msgtxt);
 166                 text->SetCursorIntern(this, texrowpar, tmppos);
 167                 text->InsertInset(this, new_inset);
 168                 text->FullRebreak(this);
 169         }
 170         // Restore the cursor position
 171         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 172 }
 173
 174
 175 void BufferView::setCursorFromRow(int row)
 176 {
 177         int tmpid = -1;
 178         int tmppos = -1;
 179
 180         buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
 181
 182         LyXParagraph * texrowpar;
 183
 184         if (tmpid == -1) {
 185                 texrowpar = text->FirstParagraph();
 186                 tmppos = 0;
 187         } else {
 188                 texrowpar = text->GetParFromID(tmpid);
 189         }
 190         text->SetCursor(this, texrowpar, tmppos);
 191 }
 192
 193
 194 bool BufferView::insertInset(Inset * inset, string const & lout,
 195                              bool /*no_table*/)
 196 {
 197         // if we are in a locking inset we should try to insert the
 198         // inset there otherwise this is a illegal function now
 199         if (theLockingInset()) {
 200                 if (theLockingInset()->InsertInsetAllowed(inset))
 201                     return theLockingInset()->InsertInset(this, inset);
 202                 return false;
 203         }
 204
 205         // not quite sure if we want this...
 206         text->SetCursorParUndo(buffer());
 207         text->FreezeUndo();
 208
 209         beforeChange(text);
 210         if (!lout.empty()) {
 211                 update(text, BufferView::SELECT|BufferView::FITCUR);
 212                 text->BreakParagraph(this);
 213                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 214
 215                 if (text->cursor.par()->size()) {
 216                         text->CursorLeft(this);
 217
 218                         text->BreakParagraph(this);
 219                         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 220                 }
 221
 222                 pair<bool, LyXTextClass::size_type> lres =
 223                         textclasslist.NumberOfLayout(buffer()->params
 224                                                      .textclass, lout);
 225                 LyXTextClass::size_type lay;
 226                 if (lres.first != false) {
 227                         // layout found
 228                         lay = lres.second;
 229                 } else {
 230                         // layout not fount using default "Standard" (0)
 231                         lay = 0;
 232                 }
 233
 234                 text->SetLayout(this, lay);
 235
 236                 text->SetParagraph(this, 0, 0,
 237                                    0, 0,
 238                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
 239                                    LYX_ALIGN_LAYOUT,
 240                                    string(),
 241                                    0);
 242                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 243
 244                 text->current_font.setLatex(LyXFont::OFF);
 245         }
 246
 247         text->InsertInset(this, inset);
 248         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 249
 250         text->UnFreezeUndo();
 251         return true;
 252 }
 253
 254
 255 /* This is also a buffer property (ale) */
 256 // Not so sure about that. a goto Label function can not be buffer local, just
 257 // think how this will work in a multiwindo/buffer environment, all the
 258 // cursors in all the views showing this buffer will move. (Lgb)
 259 // OK, then no cursor action should be allowed in buffer. (ale)
 260 bool BufferView::gotoLabel(string const & label)
 261
 262 {
 263         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 264              it != buffer()->inset_iterator_end(); ++it) {
 265                 vector<string> labels = (*it)->getLabelList();
 266                 if (find(labels.begin(),labels.end(),label)
 267                      != labels.end()) {
 268                         beforeChange(text);
 269                         text->SetCursor(this, it.getPar(), it.getPos());
 270                         text->sel_cursor = text->cursor;
 271                         update(text, BufferView::SELECT|BufferView::FITCUR);
 272                         return true;
 273                 }
 274         }
 275         return false;
 276 }
 277
 278
 279 void BufferView::menuUndo()
 280 {
 281         if (available()) {
 282                 owner()->message(_("Undo"));
 283                 hideCursor();
 284                 beforeChange(text);
 285                 update(text, BufferView::SELECT|BufferView::FITCUR);
 286                 if (!text->TextUndo(this))
 287                         owner()->message(_("No forther undo information"));
 288                 else
 289                         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 290                 setState();
 291         }
 292 }
 293
 294
 295 void BufferView::menuRedo()
 296 {
 297         if (theLockingInset()) {
 298                 owner()->message(_("Redo not yet supported in math mode"));
 299                 return;
 300         }
 301
 302         if (available()) {
 303                 owner()->message(_("Redo"));
 304                 hideCursor();
 305                 beforeChange(text);
 306                 update(text, BufferView::SELECT|BufferView::FITCUR);
 307                 if (!text->TextRedo(this))
 308                         owner()->message(_("No further redo information"));
 309                 else
 310                         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 311                 setState();
 312         }
 313 }
 314
 315
 316 void BufferView::hyphenationPoint()
 317 {
 318         if (available()) {
 319                 hideCursor();
 320                 update(text, BufferView::SELECT|BufferView::FITCUR);
 321                 InsetSpecialChar * new_inset =
 322                         new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
 323                 insertInset(new_inset);
 324         }
 325 }
 326
 327
 328 void BufferView::ldots()
 329 {
 330         if (available())  {
 331                 hideCursor();
 332                 update(text, BufferView::SELECT|BufferView::FITCUR);
 333                 InsetSpecialChar * new_inset =
 334                         new InsetSpecialChar(InsetSpecialChar::LDOTS);
 335                 insertInset(new_inset);
 336         }
 337 }
 338
 339
 340 void BufferView::endOfSentenceDot()
 341 {
 342         if (available()) {
 343                 hideCursor();
 344                 update(text, BufferView::SELECT|BufferView::FITCUR);
 345                 InsetSpecialChar * new_inset =
 346                         new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
 347                 insertInset(new_inset);
 348         }
 349 }
 350
 351
 352 void BufferView::menuSeparator()
 353 {
 354         if (available()) {
 355                 hideCursor();
 356                 update(text, BufferView::SELECT|BufferView::FITCUR);
 357                 InsetSpecialChar * new_inset =
 358                         new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR);
 359                 insertInset(new_inset);
 360         }
 361 }
 362
 363
 364 void BufferView::newline()
 365 {
 366         if (available()) {
 367                 hideCursor();
 368                 update(text, BufferView::SELECT|BufferView::FITCUR);
 369                 text->InsertChar(this, LyXParagraph::META_NEWLINE);
 370                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 371         }
 372 }
 373
 374
 375 void BufferView::protectedBlank(LyXText * lt)
 376 {
 377         if (available()) {
 378                 hideCursor();
 379                 update(lt, BufferView::SELECT|BufferView::FITCUR);
 380                 InsetSpecialChar * new_inset =
 381                         new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
 382                 if (!insertInset(new_inset))
 383                         delete new_inset;
 384                 else
 385                         updateInset(new_inset, true);
 386         }
 387 }
 388
 389
 390 void BufferView::hfill()
 391 {
 392         if (available()) {
 393                 hideCursor();
 394                 update(text, BufferView::SELECT|BufferView::FITCUR);
 395                 text->InsertChar(this, LyXParagraph::META_HFILL);
 396                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 397         }
 398 }
 399
 400
 401 void BufferView::copyEnvironment()
 402 {
 403         if (available()) {
 404                 text->copyEnvironmentType();
 405                 // clear the selection, even if mark_set
 406                 toggleSelection();
 407                 text->ClearSelection(this);
 408                 update(text, BufferView::SELECT|BufferView::FITCUR);
 409                 owner()->message(_("Paragraph environment type copied"));
 410         }
 411 }
 412
 413
 414 void BufferView::pasteEnvironment()
 415 {
 416         if (available()) {
 417                 text->pasteEnvironmentType(this);
 418                 owner()->message(_("Paragraph environment type set"));
 419                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 420         }
 421 }
 422
 423
 424 void BufferView::copy()
 425 {
 426         if (available()) {
 427                 text->CopySelection(this);
 428                 // clear the selection, even if mark_set
 429                 toggleSelection();
 430                 text->ClearSelection(this);
 431                 update(text, BufferView::SELECT|BufferView::FITCUR);
 432                 owner()->message(_("Copy"));
 433         }
 434 }
 435
 436 void BufferView::cut()
 437 {
 438         if (available()) {
 439                 hideCursor();
 440                 update(text, BufferView::SELECT|BufferView::FITCUR);
 441                 text->CutSelection(this);
 442                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 443                 owner()->message(_("Cut"));
 444         }
 445 }
 446
 447
 448 void BufferView::paste()
 449 {
 450         if (!available()) return;
 451
 452         owner()->message(_("Paste"));
 453
 454         hideCursor();
 455         // clear the selection
 456         toggleSelection();
 457         text->ClearSelection(this);
 458         update(text, BufferView::SELECT|BufferView::FITCUR);
 459
 460         // paste
 461         text->PasteSelection(this);
 462         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 463
 464         // clear the selection
 465         toggleSelection();
 466         text->ClearSelection(this);
 467         update(text, BufferView::SELECT|BufferView::FITCUR);
 468 }
 469
 470
 471 void BufferView::gotoInset(std::vector<Inset::Code> const & codes,
 472                            bool same_content)
 473 {
 474         if (!available()) return;
 475
 476         hideCursor();
 477         beforeChange(text);
 478         update(text, BufferView::SELECT|BufferView::FITCUR);
 479
 480         string contents;
 481         if (same_content &&
 482             text->cursor.par()->GetChar(text->cursor.pos()) == LyXParagraph::META_INSET) {
 483                 Inset const * inset = text->cursor.par()->GetInset(text->cursor.pos());
 484                 if (find(codes.begin(), codes.end(), inset->LyxCode())
 485                     != codes.end())
 486                         contents =
 487                                 static_cast<InsetCommand const *>(inset)->getContents();
 488         }
 489
 490         if (!text->GotoNextInset(this, codes, contents)) {
 491                 if (text->cursor.pos()
 492                     || text->cursor.par() != text->FirstParagraph()) {
 493                                 LyXCursor tmp = text->cursor;
 494                                 text->cursor.par(text->FirstParagraph());
 495                                 text->cursor.pos(0);
 496                                 if (!text->GotoNextInset(this, codes, contents)) {
 497                                         text->cursor = tmp;
 498                                         owner()->message(_("No more insets"));
 499                                 }
 500                         } else {
 501                                 owner()->message(_("No more insets"));
 502                         }
 503         }
 504         update(text, BufferView::SELECT|BufferView::FITCUR);
 505         text->sel_cursor = text->cursor;
 506 }
 507
 508
 509 void BufferView::gotoInset(Inset::Code code, bool same_content)
 510 {
 511         gotoInset(vector<Inset::Code>(1, code), same_content);
 512 }
 513
 514
 515 void BufferView::insertCorrectQuote()
 516 {
 517         char c;
 518
 519         if (text->cursor.pos())
 520                 c = text->cursor.par()->GetChar(text->cursor.pos() - 1);
 521         else
 522                 c = ' ';
 523
 524         insertInset(new InsetQuotes(c, buffer()->params));
 525 }
 526
 527
 528 /* these functions are for the spellchecker */
 529 string const BufferView::nextWord(float & value)
 530 {
 531         if (!available()) {
 532                 value = 1;
 533                 return string();
 534         }
 535
 536         return text->SelectNextWord(this, value);
 537 }
 538
 539
 540 void BufferView::selectLastWord()
 541 {
 542         if (!available()) return;
 543
 544         hideCursor();
 545         beforeChange(text);
 546         text->SelectSelectedWord(this);
 547         toggleSelection(false);
 548         update(text, BufferView::SELECT|BufferView::FITCUR);
 549 }
 550
 551
 552 void BufferView::endOfSpellCheck()
 553 {
 554         if (!available()) return;
 555
 556         hideCursor();
 557         beforeChange(text);
 558         text->SelectSelectedWord(this);
 559         text->ClearSelection(this);
 560         update(text, BufferView::SELECT|BufferView::FITCUR);
 561 }
 562
 563
 564 void BufferView::replaceWord(string const & replacestring)
 565 {
 566         if (!available()) return;
 567
 568         hideCursor();
 569         update(text, BufferView::SELECT|BufferView::FITCUR);
 570
 571         /* clear the selection (if there is any) */
 572         toggleSelection(false);
 573         update(text, BufferView::SELECT|BufferView::FITCUR);
 574
 575         /* clear the selection (if there is any) */
 576         toggleSelection(false);
 577         text->ReplaceSelectionWithString(this, replacestring);
 578
 579         text->SetSelectionOverString(this, replacestring);
 580
 581         // Go back so that replacement string is also spellchecked
 582         for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
 583                 text->CursorLeft(this);
 584         }
 585         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 586 }
 587 // End of spellchecker stuff
 588
 589
 590 bool BufferView::lockInset(UpdatableInset * inset)
 591 {
 592         if (!theLockingInset() && inset) {
 593                 theLockingInset(inset);
 594                 return true;
 595         } else if (inset) {
 596             return theLockingInset()->LockInsetInInset(this, inset);
 597         }
 598         return false;
 599 }
 600
 601
 602 void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
 603 {
 604         if (theLockingInset() && available()) {
 605                 LyXCursor cursor = text->cursor;
 606                 if ((cursor.pos() - 1 >= 0) &&
 607                     (cursor.par()->GetChar(cursor.pos() - 1) ==
 608                      LyXParagraph::META_INSET) &&
 609                     (cursor.par()->GetInset(cursor.pos() - 1) ==
 610                      theLockingInset()->GetLockingInset()))
 611                         text->SetCursor(this, cursor,
 612                                         cursor.par(), cursor.pos() - 1);
 613                 LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
 614                 LyXText * txt = getLyXText();
 615                 if (theLockingInset()->GetLockingInset()->LyxCode() ==
 616                     Inset::TEXT_CODE &&
 617                     (txt->real_current_font.language() !=
 618                      buffer()->params.language
 619                      || txt->real_current_font.isVisibleRightToLeft()
 620                      != buffer()->params.language->RightToLeft()))
 621                         shape = (txt->real_current_font.isVisibleRightToLeft())
 622                                 ? LyXScreen::REVERSED_L_SHAPE
 623                                 : LyXScreen::L_SHAPE;
 624                 y += cursor.y() + theLockingInset()->InsetInInsetY();
 625                 pimpl_->screen_->ShowManualCursor(text, x, y, asc, desc,
 626                                                   shape);
 627         }
 628 }
 629
 630
 631 void BufferView::hideLockedInsetCursor()
 632 {
 633         if (theLockingInset() && available()) {
 634                 pimpl_->screen_->HideCursor();
 635         }
 636 }
 637
 638
 639 void BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
 640 {
 641         if (theLockingInset() && available()) {
 642                 y += text->cursor.y() + theLockingInset()->InsetInInsetY();
 643                 if (pimpl_->screen_->FitManualCursor(text, this, x, y, asc, desc))
 644                         updateScrollbar();
 645         }
 646 }
 647
 648
 649 int BufferView::unlockInset(UpdatableInset * inset)
 650 {
 651         if (inset && theLockingInset() == inset) {
 652                 inset->InsetUnlock(this);
 653                 theLockingInset(0);
 654                 text->FinishUndo();
 655                 return 0;
 656         } else if (inset && theLockingInset() &&
 657                    theLockingInset()->UnlockInsetInInset(this, inset)) {
 658                 text->FinishUndo();
 659                 return 0;
 660         }
 661         return bufferlist.unlockInset(inset);
 662 }
 663
 664
 665 void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
 666 {
 667         if (!theLockingInset())
 668                 return; // shouldn't happen
 669         if (kind == Undo::EDIT) // in this case insets would not be stored!
 670                 kind = Undo::FINISH;
 671         text->SetUndo(buffer(), kind,
 672                       text->cursor.par()->previous(),
 673                       text->cursor.par()->next());
 674 }
 675
 676
 677 void BufferView::updateInset(Inset * inset, bool mark_dirty)
 678 {
 679         if (!inset)
 680                 return;
 681
 682         // first check for locking insets
 683         if (theLockingInset()) {
 684                 if (theLockingInset() == inset) {
 685                         if (text->UpdateInset(this, inset)) {
 686                                 update();
 687                                 if (mark_dirty) {
 688                                         buffer()->markDirty();
 689                                 }
 690                                 updateScrollbar();
 691                                 return;
 692                         }
 693                 } else if (theLockingInset()->UpdateInsetInInset(this,inset)) {
 694                         if (text->UpdateInset(this, theLockingInset())) {
 695                                 update();
 696                                 if (mark_dirty){
 697                                         buffer()->markDirty();
 698                                 }
 699                                 updateScrollbar();
 700                                 return;
 701                         }
 702                 }
 703         }
 704
 705         // then check the current buffer
 706         if (available()) {
 707                 hideCursor();
 708                 update(text, BufferView::UPDATE);
 709                 if (text->UpdateInset(this, inset)) {
 710                         if (mark_dirty)
 711                                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 712                         else
 713                                 update(text, SELECT);
 714                         return;
 715                 }
 716         }
 717 }
 718
 719
 720 bool BufferView::ChangeInsets(Inset::Code code,
 721                               string const & from, string const & to)
 722 {
 723         bool flag = false;
 724         LyXParagraph * par = buffer()->paragraph;
 725         LyXCursor cursor = text->cursor;
 726         LyXCursor tmpcursor = cursor;
 727         cursor.par(tmpcursor.par());
 728         cursor.pos(tmpcursor.pos());
 729
 730         while (par) {
 731                 bool flag2 = false;
 732                 for (LyXParagraph::inset_iterator it = par->inset_iterator_begin();
 733                      it != par->inset_iterator_end(); ++it) {
 734                         if ((*it)->LyxCode() == code) {
 735                                 InsetCommand * inset = static_cast<InsetCommand *>(*it);
 736                                 if (inset->getContents() == from) {
 737                                         inset->setContents(to);
 738                                         flag2 = true;
 739                                 }
 740                         }
 741                 }
 742                 if (flag2) {
 743                         flag = true;
 744                         // this is possible now, since SetCursor takes
 745                         // care about footnotes
 746                         text->SetCursorIntern(this, par, 0);
 747                         text->RedoParagraphs(this, text->cursor,
 748                                              text->cursor.par()->next());
 749                         text->FullRebreak(this);
 750                 }
 751                 par = par->next();
 752         }
 753         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 754         return flag;
 755 }
 756
 757
 758 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 759 {
 760         // Check if the label 'from' appears more than once
 761         vector<string> labels = buffer()->getLabelList();
 762         if (count(labels.begin(), labels.end(), from) > 1)
 763                 return false;
 764
 765         return ChangeInsets(Inset::REF_CODE, from, to);
 766 }
 767
 768
 769 bool BufferView::ChangeCitationsIfUnique(string const & from, string const & to)
 770 {
 771
 772         vector<pair<string,string> > keys = buffer()->getBibkeyList();
 773         if (count_if(keys.begin(), keys.end(),
 774                      lyx::equal_1st_in_pair<string,string>(from))
 775             > 1)
 776                 return false;
 777
 778         return ChangeInsets(Inset::CITE_CODE, from, to);
 779 }
 780
 781 UpdatableInset * BufferView::theLockingInset() const
 782 {
 783         // If NULL is not allowed we should put an Assert here. (Lgb)
 784         if (text)
 785                 return text->the_locking_inset;
 786         return 0;
 787 }
 788
 789
 790 void BufferView::theLockingInset(UpdatableInset * inset)
 791 {
 792         text->the_locking_inset = inset;
 793 }
 794
 795
 796 LyXText * BufferView::getLyXText() const
 797 {
 798         if (theLockingInset()) {
 799                 LyXText * txt = theLockingInset()->getLyXText(this, true);
 800                 if (txt)
 801                         return txt;
 802         }
 803         return text;
 804 }
 805
 806
 807 LyXText * BufferView::getParentText(Inset * inset) const
 808 {
 809         if (inset->owner()) {
 810                 LyXText * txt = inset->getLyXText(this);
 811                 inset = inset->owner();
 812                 while (inset && inset->getLyXText(this) == txt)
 813                         inset = inset->owner();
 814                 if (inset)
 815                         return inset->getLyXText(this);
 816         }
 817         return text;
 818 }
 819
 820
 821 Language const * BufferView::getParentLanguage(Inset * inset) const
 822 {
 823         LyXText * text = getParentText(inset);
 824         return text->cursor.par()->GetFontSettings(buffer()->params,
 825                                                    text->cursor.pos()).language();
 826 }