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 #include "support/lyxfunctional.h" //equal_1st_in_pair
  35 #include "language.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 #ifndef NEW_INSETS
 110         while (par) {
 111                 // this has to be done before the delete
 112                 if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE)
 113                         text->SetCursor(this, cursor, par, 0);
 114                 if (par->AutoDeleteInsets()){
 115                         a = true;
 116                         if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
 117                                 text->RedoParagraphs(this, cursor,
 118                                                      cursor.par()->next());
 119                                 text->FullRebreak(this);
 120                         }
 121                 }
 122                 par = par->next_;
 123         }
 124
 125         // avoid forbidden cursor positions caused by error removing
 126         if (tmpcursor.pos() > tmpcursor.par()->Last())
 127                 tmpcursor.pos(tmpcursor.par()->Last());
 128 #else
 129         while (par) {
 130                 // this has to be done before the delete
 131                 text->SetCursor(this, cursor, par, 0);
 132                 if (par->AutoDeleteInsets()){
 133                         a = true;
 134                         text->RedoParagraphs(this, cursor,
 135                                              cursor.par()->next());
 136                         text->FullRebreak(this);
 137                 }
 138                 par = par->next();
 139         }
 140
 141         // avoid forbidden cursor positions caused by error removing
 142         if (tmpcursor.pos() > tmpcursor.par()->size())
 143                 tmpcursor.pos(tmpcursor.par()->size());
 144 #endif
 145         text->SetCursorIntern(this, tmpcursor.par(), tmpcursor.pos());
 146
 147         return a;
 148 }
 149
 150
 151 void BufferView::insertErrors(TeXErrors & terr)
 152 {
 153         // Save the cursor position
 154         LyXCursor cursor = text->cursor;
 155
 156 #ifndef NEW_INSETS
 157         // This is drastic, but it's the only fix, I could find. (Asger)
 158         allFloats(1, 0);
 159         allFloats(1, 1);
 160 #endif
 161
 162         for (TeXErrors::Errors::const_iterator cit = terr.begin();
 163              cit != terr.end();
 164              ++cit) {
 165                 string const desctext((*cit).error_desc);
 166                 string const errortext((*cit).error_text);
 167                 string const msgtxt = desctext + '\n' + errortext;
 168                 int const errorrow = (*cit).error_in_line;
 169
 170                 // Insert error string for row number
 171                 int tmpid = -1;
 172                 int tmppos = -1;
 173
 174                 if (buffer()->texrow.getIdFromRow(errorrow, tmpid, tmppos)) {
 175                         buffer()->texrow.increasePos(tmpid, tmppos);
 176                 }
 177
 178                 LyXParagraph * texrowpar = 0;
 179
 180                 if (tmpid == -1) {
 181                         texrowpar = text->FirstParagraph();
 182                         tmppos = 0;
 183                 } else {
 184                         texrowpar = text->GetParFromID(tmpid);
 185                 }
 186
 187                 if (texrowpar == 0)
 188                         continue;
 189
 190                 InsetError * new_inset = new InsetError(msgtxt);
 191                 text->SetCursorIntern(this, texrowpar, tmppos);
 192                 text->InsertInset(this, new_inset);
 193                 text->FullRebreak(this);
 194         }
 195         // Restore the cursor position
 196         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 197 }
 198
 199
 200 void BufferView::setCursorFromRow(int row)
 201 {
 202         int tmpid = -1;
 203         int tmppos = -1;
 204
 205         buffer()->texrow.getIdFromRow(row, tmpid, tmppos);
 206
 207         LyXParagraph * texrowpar;
 208
 209         if (tmpid == -1) {
 210                 texrowpar = text->FirstParagraph();
 211                 tmppos = 0;
 212         } else {
 213                 texrowpar = text->GetParFromID(tmpid);
 214         }
 215         text->SetCursor(this, texrowpar, tmppos);
 216 }
 217
 218
 219 bool BufferView::insertInset(Inset * inset, string const & lout,
 220                              bool /*no_table*/)
 221 {
 222         // if we are in a locking inset we should try to insert the
 223         // inset there otherwise this is a illegal function now
 224         if (theLockingInset()) {
 225                 if (theLockingInset()->InsertInsetAllowed(inset))
 226                     return theLockingInset()->InsertInset(this, inset);
 227                 return false;
 228         }
 229
 230         // not quite sure if we want this...
 231         text->SetCursorParUndo(buffer());
 232         text->FreezeUndo();
 233
 234         beforeChange(text);
 235         if (!lout.empty()) {
 236                 update(text, BufferView::SELECT|BufferView::FITCUR);
 237                 text->BreakParagraph(this);
 238                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 239
 240 #ifndef NEW_INSETS
 241                 if (text->cursor.par()->Last()) {
 242 #else
 243                 if (text->cursor.par()->size()) {
 244 #endif
 245                         text->CursorLeft(this);
 246
 247                         text->BreakParagraph(this);
 248                         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 249                 }
 250
 251                 pair<bool, LyXTextClass::size_type> lres =
 252                         textclasslist.NumberOfLayout(buffer()->params
 253                                                      .textclass, lout);
 254                 LyXTextClass::size_type lay;
 255                 if (lres.first != false) {
 256                         // layout found
 257                         lay = lres.second;
 258                 } else {
 259                         // layout not fount using default "Standard" (0)
 260                         lay = 0;
 261                 }
 262
 263                 text->SetLayout(this, lay);
 264
 265                 text->SetParagraph(this, 0, 0,
 266                                    0, 0,
 267                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
 268                                    LYX_ALIGN_LAYOUT,
 269                                    string(),
 270                                    0);
 271                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 272
 273                 text->current_font.setLatex(LyXFont::OFF);
 274         }
 275
 276         text->InsertInset(this, inset);
 277         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 278
 279         text->UnFreezeUndo();
 280         return true;
 281 }
 282
 283
 284 // Open and lock an updatable inset
 285 bool BufferView::open_new_inset(UpdatableInset * new_inset, bool behind)
 286 {
 287         beforeChange(text);
 288         text->FinishUndo();
 289         if (!insertInset(new_inset)) {
 290                 delete new_inset;
 291                 return false;
 292         }
 293         if (behind) {
 294                 LyXFont & font = getLyXText()->real_current_font;
 295                 new_inset->Edit(this, new_inset->width(this, font), 0, 0);
 296         } else
 297                 new_inset->Edit(this, 0, 0, 0);
 298         return true;
 299 }
 300
 301 /* This is also a buffer property (ale) */
 302 // Not so sure about that. a goto Label function can not be buffer local, just
 303 // think how this will work in a multiwindo/buffer environment, all the
 304 // cursors in all the views showing this buffer will move. (Lgb)
 305 // OK, then no cursor action should be allowed in buffer. (ale)
 306 bool BufferView::gotoLabel(string const & label)
 307
 308 {
 309         for (Buffer::inset_iterator it = buffer()->inset_iterator_begin();
 310              it != buffer()->inset_iterator_end(); ++it) {
 311                 vector<string> labels = (*it)->getLabelList();
 312                 if (find(labels.begin(),labels.end(),label)
 313                      != labels.end()) {
 314                         beforeChange(text);
 315                         text->SetCursor(this, it.getPar(), it.getPos());
 316                         text->sel_cursor = text->cursor;
 317                         update(text, BufferView::SELECT|BufferView::FITCUR);
 318                         return true;
 319                 }
 320         }
 321         return false;
 322 }
 323
 324
 325 #ifndef NEW_INSETS
 326 void BufferView::allFloats(char flag, char figmar)
 327 {
 328         if (!available()) return;
 329
 330         LyXCursor cursor = text->cursor;
 331
 332         if (!flag
 333             && cursor.par()->footnoteflag != LyXParagraph::NO_FOOTNOTE
 334             && ((figmar
 335                  && cursor.par()->footnotekind != LyXParagraph::FOOTNOTE
 336                  && cursor.par()->footnotekind != LyXParagraph::MARGIN
 337                     )
 338                 || (!figmar
 339                     && cursor.par()->footnotekind != LyXParagraph::FIG
 340                     && cursor.par()->footnotekind != LyXParagraph::TAB
 341                     && cursor.par()->footnotekind != LyXParagraph::WIDE_FIG
 342                     && cursor.par()->footnotekind != LyXParagraph::WIDE_TAB
 343                     && cursor.par()->footnotekind != LyXParagraph::ALGORITHM)))
 344                 toggleFloat();
 345         else
 346                 beforeChange(text);
 347
 348         LyXCursor tmpcursor = cursor;
 349         cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
 350         cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
 351
 352         LyXParagraph *par = buffer()->paragraph;
 353         while (par) {
 354                 if (flag) {
 355                         if (par->footnoteflag == LyXParagraph::CLOSED_FOOTNOTE
 356                             && ((figmar
 357                                  && par->footnotekind != LyXParagraph::FOOTNOTE
 358                                  && par->footnotekind !=  LyXParagraph::MARGIN)
 359                                 || (!figmar
 360                                     && par->footnotekind != LyXParagraph::FIG
 361                                     && par->footnotekind != LyXParagraph::TAB
 362                                     && par->footnotekind != LyXParagraph::WIDE_FIG
 363                                     && par->footnotekind != LyXParagraph::WIDE_TAB
 364                                     && par->footnotekind != LyXParagraph::ALGORITHM
 365                                         )
 366                                     )
 367                                 ) {
 368                                 if (par->previous_
 369                                     && par->previous_->footnoteflag !=
 370                                     LyXParagraph::CLOSED_FOOTNOTE){ /* should be */
 371                                         text->SetCursorIntern(this,
 372                                                               par->previous_,
 373                                                               0);
 374                                         text->OpenFootnote(this);
 375                                 }
 376                         }
 377                 } else {
 378                         if (par->footnoteflag == LyXParagraph::OPEN_FOOTNOTE
 379                             && (
 380                                     (figmar
 381                                      &&
 382                                      par->footnotekind != LyXParagraph::FOOTNOTE
 383                                      &&
 384                                      par->footnotekind !=  LyXParagraph::MARGIN
 385                                             )
 386                                     ||
 387                                     (!figmar
 388                                      &&
 389                                      par->footnotekind != LyXParagraph::FIG
 390                                      &&
 391                                      par->footnotekind != LyXParagraph::TAB
 392                                      &&
 393                                      par->footnotekind != LyXParagraph::WIDE_FIG
 394                                      &&
 395                                      par->footnotekind != LyXParagraph::WIDE_TAB
 396                                      &&
 397                                      par->footnotekind != LyXParagraph::ALGORITHM
 398                                             )
 399                                     )
 400                                 ) {
 401                                 text->SetCursorIntern(this, par, 0);
 402                                 text->CloseFootnote(this);
 403                         }
 404                 }
 405                 par = par->next_;
 406         }
 407
 408         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 409         redraw();
 410         fitCursor(text);
 411 }
 412 #endif
 413
 414
 415 void BufferView::insertNote()
 416 {
 417         InsetInfo * new_inset = new InsetInfo();
 418         insertInset(new_inset);
 419         new_inset->Edit(this, 0, 0, 0);
 420 }
 421
 422
 423 #ifndef NEW_INSETS
 424 void BufferView::openStuff()
 425 {
 426         if (available()) {
 427                 owner()->getMiniBuffer()->Set(_("Open/Close..."));
 428                 hideCursor();
 429                 beforeChange(text);
 430                 update(text, BufferView::SELECT|BufferView::FITCUR);
 431                 text->OpenStuff(this);
 432                 update(text, BufferView::SELECT|BufferView::FITCUR);
 433                 setState();
 434         }
 435 }
 436
 437
 438 void BufferView::toggleFloat()
 439 {
 440         if (available()) {
 441                 owner()->getMiniBuffer()->Set(_("Open/Close..."));
 442                 hideCursor();
 443                 beforeChange(text);
 444                 update(text, BufferView::SELECT|BufferView::FITCUR);
 445                 text->ToggleFootnote(this);
 446                 update(text, BufferView::SELECT|BufferView::FITCUR);
 447                 setState();
 448         }
 449 }
 450 #endif
 451
 452 void BufferView::menuUndo()
 453 {
 454         if (available()) {
 455                 owner()->getMiniBuffer()->Set(_("Undo"));
 456                 hideCursor();
 457                 beforeChange(text);
 458                 update(text, BufferView::SELECT|BufferView::FITCUR);
 459                 if (!text->TextUndo(this))
 460                         owner()->getMiniBuffer()->Set(_("No further undo information"));
 461                 else
 462                         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 463                 setState();
 464         }
 465 }
 466
 467
 468 void BufferView::menuRedo()
 469 {
 470         if (theLockingInset()) {
 471                 owner()->getMiniBuffer()->Set(_("Redo not yet supported in math mode"));
 472                 return;
 473         }
 474
 475         if (available()) {
 476                 owner()->getMiniBuffer()->Set(_("Redo"));
 477                 hideCursor();
 478                 beforeChange(text);
 479                 update(text, BufferView::SELECT|BufferView::FITCUR);
 480                 if (!text->TextRedo(this))
 481                         owner()->getMiniBuffer()->Set(_("No further redo information"));
 482                 else
 483                         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 484                 setState();
 485         }
 486 }
 487
 488
 489 void BufferView::hyphenationPoint()
 490 {
 491         if (available()) {
 492                 hideCursor();
 493                 update(text, BufferView::SELECT|BufferView::FITCUR);
 494                 InsetSpecialChar * new_inset =
 495                         new InsetSpecialChar(InsetSpecialChar::HYPHENATION);
 496                 insertInset(new_inset);
 497         }
 498 }
 499
 500
 501 void BufferView::ldots()
 502 {
 503         if (available())  {
 504                 hideCursor();
 505                 update(text, BufferView::SELECT|BufferView::FITCUR);
 506                 InsetSpecialChar * new_inset =
 507                         new InsetSpecialChar(InsetSpecialChar::LDOTS);
 508                 insertInset(new_inset);
 509         }
 510 }
 511
 512
 513 void BufferView::endOfSentenceDot()
 514 {
 515         if (available()) {
 516                 hideCursor();
 517                 update(text, BufferView::SELECT|BufferView::FITCUR);
 518                 InsetSpecialChar * new_inset =
 519                         new InsetSpecialChar(InsetSpecialChar::END_OF_SENTENCE);
 520                 insertInset(new_inset);
 521         }
 522 }
 523
 524
 525 void BufferView::menuSeparator()
 526 {
 527         if (available()) {
 528                 hideCursor();
 529                 update(text, BufferView::SELECT|BufferView::FITCUR);
 530                 InsetSpecialChar * new_inset =
 531                         new InsetSpecialChar(InsetSpecialChar::MENU_SEPARATOR);
 532                 insertInset(new_inset);
 533         }
 534 }
 535
 536
 537 void BufferView::newline()
 538 {
 539         if (available()) {
 540                 hideCursor();
 541                 update(text, BufferView::SELECT|BufferView::FITCUR);
 542                 text->InsertChar(this, LyXParagraph::META_NEWLINE);
 543                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 544         }
 545 }
 546
 547
 548 void BufferView::protectedBlank(LyXText * lt)
 549 {
 550         if (available()) {
 551                 hideCursor();
 552                 update(lt, BufferView::SELECT|BufferView::FITCUR);
 553                 InsetSpecialChar * new_inset =
 554                         new InsetSpecialChar(InsetSpecialChar::PROTECTED_SEPARATOR);
 555                 if (!insertInset(new_inset))
 556                         delete new_inset;
 557                 else
 558                         updateInset(new_inset, true);
 559         }
 560 }
 561
 562
 563 void BufferView::hfill()
 564 {
 565         if (available()) {
 566                 hideCursor();
 567                 update(text, BufferView::SELECT|BufferView::FITCUR);
 568                 text->InsertChar(this, LyXParagraph::META_HFILL);
 569                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 570         }
 571 }
 572
 573 void BufferView::copyEnvironment()
 574 {
 575         if (available()) {
 576                 text->copyEnvironmentType();
 577                 // clear the selection, even if mark_set
 578                 toggleSelection();
 579                 text->ClearSelection(this);
 580                 update(text, BufferView::SELECT|BufferView::FITCUR);
 581                 owner()->getMiniBuffer()->Set(_("Paragraph environment type copied"));
 582         }
 583 }
 584
 585
 586 void BufferView::pasteEnvironment()
 587 {
 588         if (available()) {
 589                 text->pasteEnvironmentType(this);
 590                 owner()->getMiniBuffer()->Set(_("Paragraph environment type set"));
 591                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 592         }
 593 }
 594
 595
 596 void BufferView::copy()
 597 {
 598         if (available()) {
 599                 text->CopySelection(this);
 600                 // clear the selection, even if mark_set
 601                 toggleSelection();
 602                 text->ClearSelection(this);
 603                 update(text, BufferView::SELECT|BufferView::FITCUR);
 604                 owner()->getMiniBuffer()->Set(_("Copy"));
 605         }
 606 }
 607
 608 void BufferView::cut()
 609 {
 610         if (available()) {
 611                 hideCursor();
 612                 update(text, BufferView::SELECT|BufferView::FITCUR);
 613                 text->CutSelection(this);
 614                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 615                 owner()->getMiniBuffer()->Set(_("Cut"));
 616         }
 617 }
 618
 619
 620 void BufferView::paste()
 621 {
 622         if (!available()) return;
 623
 624         owner()->getMiniBuffer()->Set(_("Paste"));
 625         hideCursor();
 626         // clear the selection
 627         toggleSelection();
 628         text->ClearSelection(this);
 629         update(text, BufferView::SELECT|BufferView::FITCUR);
 630
 631         // paste
 632         text->PasteSelection(this);
 633         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 634
 635         // clear the selection
 636         toggleSelection();
 637         text->ClearSelection(this);
 638         update(text, BufferView::SELECT|BufferView::FITCUR);
 639 }
 640
 641
 642 void BufferView::gotoInset(std::vector<Inset::Code> const & codes,
 643                            bool same_content)
 644 {
 645         if (!available()) return;
 646
 647         hideCursor();
 648         beforeChange(text);
 649         update(text, BufferView::SELECT|BufferView::FITCUR);
 650
 651         string contents;
 652         if (same_content &&
 653             text->cursor.par()->GetChar(text->cursor.pos()) == LyXParagraph::META_INSET) {
 654                 Inset const * inset = text->cursor.par()->GetInset(text->cursor.pos());
 655                 if (find(codes.begin(), codes.end(), inset->LyxCode())
 656                     != codes.end())
 657                         contents =
 658                                 static_cast<InsetCommand const *>(inset)->getContents();
 659         }
 660
 661         if (!text->GotoNextInset(this, codes, contents)) {
 662                 if (text->cursor.pos()
 663                     || text->cursor.par() != text->FirstParagraph()) {
 664                                 LyXCursor tmp = text->cursor;
 665                                 text->cursor.par(text->FirstParagraph());
 666                                 text->cursor.pos(0);
 667                                 if (!text->GotoNextInset(this, codes, contents)) {
 668                                         text->cursor = tmp;
 669                                         owner()->getMiniBuffer()->Set(_("No more insets"));
 670                                 }
 671                         } else {
 672                                 owner()->getMiniBuffer()->Set(_("No more insets"));
 673                         }
 674         }
 675         update(text, BufferView::SELECT|BufferView::FITCUR);
 676         text->sel_cursor = text->cursor;
 677 }
 678
 679
 680 void BufferView::gotoInset(Inset::Code code, bool same_content)
 681 {
 682         gotoInset(vector<Inset::Code>(1, code), same_content);
 683 }
 684
 685
 686 void BufferView::insertCorrectQuote()
 687 {
 688         char c;
 689
 690         if (text->cursor.pos())
 691                 c = text->cursor.par()->GetChar(text->cursor.pos() - 1);
 692         else
 693                 c = ' ';
 694
 695         insertInset(new InsetQuotes(c, buffer()->params));
 696 }
 697
 698
 699 /* these functions are for the spellchecker */
 700 string const BufferView::nextWord(float & value)
 701 {
 702         if (!available()) {
 703                 value = 1;
 704                 return string();
 705         }
 706
 707         return text->SelectNextWord(this, value);
 708 }
 709
 710
 711 void BufferView::selectLastWord()
 712 {
 713         if (!available()) return;
 714
 715         hideCursor();
 716         beforeChange(text);
 717         text->SelectSelectedWord(this);
 718         toggleSelection(false);
 719         update(text, BufferView::SELECT|BufferView::FITCUR);
 720 }
 721
 722
 723 void BufferView::endOfSpellCheck()
 724 {
 725         if (!available()) return;
 726
 727         hideCursor();
 728         beforeChange(text);
 729         text->SelectSelectedWord(this);
 730         text->ClearSelection(this);
 731         update(text, BufferView::SELECT|BufferView::FITCUR);
 732 }
 733
 734
 735 void BufferView::replaceWord(string const & replacestring)
 736 {
 737         if (!available()) return;
 738
 739         hideCursor();
 740         update(text, BufferView::SELECT|BufferView::FITCUR);
 741
 742         /* clear the selection (if there is any) */
 743         toggleSelection(false);
 744         update(text, BufferView::SELECT|BufferView::FITCUR);
 745
 746         /* clear the selection (if there is any) */
 747         toggleSelection(false);
 748         text->ReplaceSelectionWithString(this, replacestring);
 749
 750         text->SetSelectionOverString(this, replacestring);
 751
 752         // Go back so that replacement string is also spellchecked
 753         for (string::size_type i = 0; i < replacestring.length() + 1; ++i) {
 754                 text->CursorLeft(this);
 755         }
 756         update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 757 }
 758 // End of spellchecker stuff
 759
 760
 761 bool BufferView::lockInset(UpdatableInset * inset)
 762 {
 763         if (!theLockingInset() && inset) {
 764                 theLockingInset(inset);
 765                 return true;
 766         } else if (inset) {
 767             return theLockingInset()->LockInsetInInset(this, inset);
 768         }
 769         return false;
 770 }
 771
 772
 773 void BufferView::showLockedInsetCursor(int x, int y, int asc, int desc)
 774 {
 775         if (theLockingInset() && available()) {
 776                 LyXCursor cursor = text->cursor;
 777                 if ((cursor.pos() - 1 >= 0) &&
 778                     (cursor.par()->GetChar(cursor.pos() - 1) ==
 779                      LyXParagraph::META_INSET) &&
 780                     (cursor.par()->GetInset(cursor.pos() - 1) ==
 781                      theLockingInset()->GetLockingInset()))
 782                         text->SetCursor(this, cursor,
 783                                         cursor.par(), cursor.pos() - 1);
 784                 LyXScreen::Cursor_Shape shape = LyXScreen::BAR_SHAPE;
 785                 LyXText * txt = getLyXText();
 786                 if (theLockingInset()->GetLockingInset()->LyxCode() ==
 787                     Inset::TEXT_CODE &&
 788                     (txt->real_current_font.language() !=
 789                      buffer()->params.language
 790                      || txt->real_current_font.isVisibleRightToLeft()
 791                      != buffer()->params.language->RightToLeft()))
 792                         shape = (txt->real_current_font.isVisibleRightToLeft())
 793                                 ? LyXScreen::REVERSED_L_SHAPE
 794                                 : LyXScreen::L_SHAPE;
 795                 y += cursor.y() + theLockingInset()->InsetInInsetY();
 796                 pimpl_->screen_->ShowManualCursor(text, x, y, asc, desc,
 797                                                   shape);
 798         }
 799 }
 800
 801
 802 void BufferView::hideLockedInsetCursor()
 803 {
 804         if (theLockingInset() && available()) {
 805                 pimpl_->screen_->HideCursor();
 806         }
 807 }
 808
 809
 810 void BufferView::fitLockedInsetCursor(int x, int y, int asc, int desc)
 811 {
 812         if (theLockingInset() && available()) {
 813                 y += text->cursor.y() + theLockingInset()->InsetInInsetY();
 814                 if (pimpl_->screen_->FitManualCursor(text, this, x, y, asc, desc))
 815                         updateScrollbar();
 816         }
 817 }
 818
 819
 820 int BufferView::unlockInset(UpdatableInset * inset)
 821 {
 822         if (inset && theLockingInset() == inset) {
 823                 inset->InsetUnlock(this);
 824                 theLockingInset(0);
 825                 text->FinishUndo();
 826                 return 0;
 827         } else if (inset && theLockingInset() &&
 828                    theLockingInset()->UnlockInsetInInset(this, inset)) {
 829                 text->FinishUndo();
 830                 return 0;
 831         }
 832         return bufferlist.unlockInset(inset);
 833 }
 834
 835
 836 void BufferView::lockedInsetStoreUndo(Undo::undo_kind kind)
 837 {
 838         if (!theLockingInset())
 839                 return; // shouldn't happen
 840         if (kind == Undo::EDIT) // in this case insets would not be stored!
 841                 kind = Undo::FINISH;
 842 #ifndef NEW_INSETS
 843         text->SetUndo(buffer(), kind,
 844                       text->cursor.par()->
 845                       ParFromPos(text->cursor.pos())->previous_,
 846                       text->cursor.par()->
 847                       ParFromPos(text->cursor.pos())->next_);
 848 #else
 849         text->SetUndo(buffer(), kind,
 850                       text->cursor.par()->previous(),
 851                       text->cursor.par()->next());
 852 #endif
 853 }
 854
 855
 856 void BufferView::updateInset(Inset * inset, bool mark_dirty)
 857 {
 858         if (!inset)
 859                 return;
 860
 861         // first check for locking insets
 862         if (theLockingInset()) {
 863                 if (theLockingInset() == inset) {
 864                         if (text->UpdateInset(this, inset)) {
 865                                 update();
 866                                 if (mark_dirty) {
 867                                         if (buffer()->isLyxClean())
 868                                                 owner()->getMiniBuffer()->
 869                                                         setTimer(4);
 870                                         buffer()->markDirty();
 871                                 }
 872                                 updateScrollbar();
 873                                 return;
 874                         }
 875                 } else if (theLockingInset()->UpdateInsetInInset(this,inset)) {
 876                         if (text->UpdateInset(this, theLockingInset())) {
 877                                 update();
 878                                 if (mark_dirty){
 879                                         if (buffer()->isLyxClean())
 880                                                 owner()->getMiniBuffer()->
 881                                                         setTimer(4);
 882                                         buffer()->markDirty();
 883                                 }
 884                                 updateScrollbar();
 885                                 return;
 886                         }
 887                 }
 888         }
 889
 890         // then check the current buffer
 891         if (available()) {
 892                 hideCursor();
 893                 update(text, BufferView::UPDATE);
 894                 if (text->UpdateInset(this, inset)) {
 895                         if (mark_dirty)
 896                                 update(text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 897                         else
 898                                 update(text, SELECT);
 899                         return;
 900                 }
 901         }
 902 }
 903
 904
 905 bool BufferView::ChangeInsets(Inset::Code code, string const & from, string const & to)
 906 {
 907         bool flag = false;
 908         LyXParagraph * par = buffer()->paragraph;
 909         LyXCursor cursor = text->cursor;
 910         LyXCursor tmpcursor = cursor;
 911 #ifndef NEW_INSETS
 912         cursor.par(tmpcursor.par()->ParFromPos(tmpcursor.pos()));
 913         cursor.pos(tmpcursor.par()->PositionInParFromPos(tmpcursor.pos()));
 914 #else
 915         cursor.par(tmpcursor.par());
 916         cursor.pos(tmpcursor.pos());
 917 #endif
 918
 919         while (par) {
 920                 bool flag2 = false;
 921                 for (LyXParagraph::inset_iterator it = par->inset_iterator_begin();
 922                      it != par->inset_iterator_end(); ++it) {
 923                         if ((*it)->LyxCode() == code) {
 924                                 InsetCommand * inset = static_cast<InsetCommand *>(*it);
 925                                 if (inset->getContents() == from) {
 926                                         inset->setContents(to);
 927                                         flag2 = true;
 928                                 }
 929                         }
 930                 }
 931 #ifndef NEW_INSETS
 932                 if (flag2) {
 933                         flag = true;
 934                         if (par->footnoteflag != LyXParagraph::CLOSED_FOOTNOTE){
 935                                 // this is possible now, since SetCursor takes
 936                                 // care about footnotes
 937                                 text->SetCursorIntern(this, par, 0);
 938                                 text->RedoParagraphs(this, text->cursor,
 939                                                      text->cursor.par()->next());
 940                                 text->FullRebreak(this);
 941                         }
 942                 }
 943                 par = par->next_;
 944 #else
 945                 if (flag2) {
 946                         flag = true;
 947                         // this is possible now, since SetCursor takes
 948                         // care about footnotes
 949                         text->SetCursorIntern(this, par, 0);
 950                         text->RedoParagraphs(this, text->cursor,
 951                                              text->cursor.par()->next());
 952                         text->FullRebreak(this);
 953                 }
 954                 par = par->next();
 955 #endif
 956         }
 957         text->SetCursorIntern(this, cursor.par(), cursor.pos());
 958         return flag;
 959 }
 960
 961
 962 bool BufferView::ChangeRefsIfUnique(string const & from, string const & to)
 963 {
 964         // Check if the label 'from' appears more than once
 965         vector<string> labels = buffer()->getLabelList();
 966         if (count(labels.begin(), labels.end(), from) > 1)
 967                 return false;
 968
 969         return ChangeInsets(Inset::REF_CODE, from, to);
 970 }
 971
 972
 973 bool BufferView::ChangeCitationsIfUnique(string const & from, string const & to)
 974 {
 975
 976         vector<pair<string,string> > keys = buffer()->getBibkeyList();
 977         if (count_if(keys.begin(), keys.end(),
 978                      equal_1st_in_pair<string,string>(from))
 979             > 1)
 980                 return false;
 981
 982         return ChangeInsets(Inset::CITE_CODE, from, to);
 983 }
 984
 985 UpdatableInset * BufferView::theLockingInset() const
 986 {
 987         // If NULL is not allowed we should put an Assert here. (Lgb)
 988         if (text)
 989                 return text->the_locking_inset;
 990         return 0;
 991 }
 992
 993
 994 void BufferView::theLockingInset(UpdatableInset * inset)
 995 {
 996     text->the_locking_inset = inset;
 997 }
 998
 999
1000 LyXText * BufferView::getLyXText() const
1001 {
1002         if (theLockingInset()) {
1003                 LyXText * txt = theLockingInset()->getLyXText(this, true);
1004                 if (txt)
1005                         return txt;
1006         }
1007         return text;
1008 }
1009
1010
1011 LyXText * BufferView::getParentText(Inset * inset) const
1012 {
1013         if (inset->owner()) {
1014                 LyXText * txt = inset->getLyXText(this);
1015                 inset = inset->owner();
1016                 while (inset && inset->getLyXText(this) == txt)
1017                         inset = inset->owner();
1018                 if (inset)
1019                         return inset->getLyXText(this);
1020         }
1021         return text;
1022 }
1023
1024
1025 Language const * BufferView::getParentLanguage(Inset * inset) const
1026 {
1027         LyXText * text = getParentText(inset);
1028         return text->cursor.par()->GetFontSettings(buffer()->params,
1029                                                    text->cursor.pos()).language();
1030 }