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