src/BufferView_pimpl.C

   1 /**
   2  * \file BufferView_pimpl.C
   3  * Copyright 2002 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author various
   8  */
   9
  10 #include <config.h>
  11
  12 #include "BufferView_pimpl.h"
  13 #include "bufferlist.h"
  14 #include "buffer.h"
  15 #include "buffer_funcs.h"
  16 #include "bufferview_funcs.h"
  17 #include "lfuns.h"
  18 #include "debug.h"
  19 #include "factory.h"
  20 #include "FloatList.h"
  21 #include "funcrequest.h"
  22 #include "gettext.h"
  23 #include "intl.h"
  24 #include "iterators.h"
  25 #include "Lsstream.h"
  26 #include "lyx_cb.h" // added for Dispatch functions
  27 #include "lyx_main.h"
  28 #include "lyxfind.h"
  29 #include "lyxfunc.h"
  30 #include "lyxtext.h"
  31 #include "lyxrc.h"
  32 #include "lyxrow.h"
  33 #include "lastfiles.h"
  34 #include "paragraph.h"
  35 #include "ParagraphParameters.h"
  36 #include "TextCache.h"
  37 #include "undo_funcs.h"
  38
  39 #include "insets/insetfloatlist.h"
  40 #include "insets/insetgraphics.h"
  41 #include "insets/insetinclude.h"
  42 #include "insets/insetref.h"
  43 #include "insets/insettext.h"
  44
  45 #include "frontends/Alert.h"
  46 #include "frontends/Dialogs.h"
  47 #include "frontends/FileDialog.h"
  48 #include "frontends/LyXView.h"
  49 #include "frontends/LyXScreenFactory.h"
  50 #include "frontends/mouse_state.h"
  51 #include "frontends/screen.h"
  52 #include "frontends/WorkArea.h"
  53 #include "frontends/WorkAreaFactory.h"
  54
  55 #include "mathed/formulabase.h"
  56
  57 #include "graphics/Previews.h"
  58
  59 #include "support/LAssert.h"
  60 #include "support/tostr.h"
  61 #include "support/filetools.h"
  62 #include "support/path_defines.h"
  63
  64 #include <boost/bind.hpp>
  65 #include <boost/signals/connection.hpp>
  66
  67 #include <unistd.h>
  68 #include <sys/wait.h>
  69
  70
  71 using std::vector;
  72 using std::find_if;
  73 using std::find;
  74 using std::pair;
  75 using std::endl;
  76 using std::make_pair;
  77 using std::min;
  78
  79 using lyx::pos_type;
  80 using namespace lyx::support;
  81 using namespace bv_funcs;
  82
  83 extern BufferList bufferlist;
  84
  85
  86 namespace {
  87
  88 unsigned int const saved_positions_num = 20;
  89
  90 // All the below connection objects are needed because of a bug in some
  91 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
  92 // to these connections we avoid a segfault upon startup, and also at exit.
  93 // (Lgb)
  94
  95 boost::signals::connection dispatchcon;
  96 boost::signals::connection timecon;
  97 boost::signals::connection doccon;
  98 boost::signals::connection resizecon;
  99 boost::signals::connection kpresscon;
 100 boost::signals::connection selectioncon;
 101 boost::signals::connection lostcon;
 102
 103
 104 } // anon namespace
 105
 106
 107 BufferView::Pimpl::Pimpl(BufferView * bv, LyXView * owner,
 108              int xpos, int ypos, int width, int height)
 109         : bv_(bv), owner_(owner), buffer_(0), cursor_timeout(400),
 110           using_xterm_cursor(false)
 111 {
 112         workarea_.reset(WorkAreaFactory::create(xpos, ypos, width, height));
 113         screen_.reset(LyXScreenFactory::create(workarea()));
 114
 115         // Setup the signals
 116         doccon = workarea().scrollDocView
 117                 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
 118         resizecon = workarea().workAreaResize
 119                 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
 120         dispatchcon = workarea().dispatch
 121                 .connect(boost::bind(&BufferView::Pimpl::workAreaDispatch, this, _1));
 122         kpresscon = workarea().workAreaKeyPress
 123                 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
 124         selectioncon = workarea().selectionRequested
 125                 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
 126         lostcon = workarea().selectionLost
 127                 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
 128
 129         timecon = cursor_timeout.timeout
 130                 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
 131         cursor_timeout.start();
 132         saved_positions.resize(saved_positions_num);
 133 }
 134
 135
 136 void BufferView::Pimpl::addError(ErrorItem const & ei)
 137 {
 138         errorlist_.push_back(ei);
 139 }
 140
 141
 142 void BufferView::Pimpl::showReadonly(bool)
 143 {
 144         owner_->updateWindowTitle();
 145         owner_->getDialogs().updateBufferDependent(false);
 146 }
 147
 148
 149 void BufferView::Pimpl::connectBuffer(Buffer & buf)
 150 {
 151         if (errorConnection_.connected())
 152                 disconnectBuffer();
 153
 154         errorConnection_ = buf.error.connect(boost::bind(&BufferView::Pimpl::addError, this, _1));
 155         messageConnection_ = buf.message.connect(boost::bind(&LyXView::message, owner_, _1));
 156         busyConnection_ = buf.busy.connect(boost::bind(&LyXView::busy, owner_, _1));
 157         titleConnection_ = buf.updateTitles.connect(boost::bind(&LyXView::updateWindowTitle, owner_));
 158         timerConnection_ = buf.resetAutosaveTimers.connect(boost::bind(&LyXView::resetAutosaveTimer, owner_));
 159         readonlyConnection_ = buf.readonly.connect(boost::bind(&BufferView::Pimpl::showReadonly, this, _1));
 160         closingConnection_ = buf.closing.connect(boost::bind(&BufferView::Pimpl::buffer, this, (Buffer *)0));
 161 }
 162
 163
 164 void BufferView::Pimpl::disconnectBuffer()
 165 {
 166         errorConnection_.disconnect();
 167         messageConnection_.disconnect();
 168         busyConnection_.disconnect();
 169         titleConnection_.disconnect();
 170         timerConnection_.disconnect();
 171         readonlyConnection_.disconnect();
 172         closingConnection_.disconnect();
 173 }
 174
 175
 176 bool BufferView::Pimpl::newFile(string const & filename,
 177                                 string const & tname,
 178                                 bool isNamed)
 179 {
 180         Buffer * b = ::newFile(filename, tname, isNamed);
 181         buffer(b);
 182         return true;
 183 }
 184
 185
 186 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
 187 {
 188         // get absolute path of file and add ".lyx" to the filename if
 189         // necessary
 190         string s = FileSearch(string(), filename, "lyx");
 191
 192         bool const found = !s.empty();
 193
 194         if (!found)
 195                 s = filename;
 196
 197         // file already open?
 198         if (bufferlist.exists(s)) {
 199                 string const file = MakeDisplayPath(s, 20);
 200                 string text = bformat(_("The document %1$s is already "
 201                                         "loaded.\n\nDo you want to revert "
 202                                         "to the saved version?"), file);
 203                 int const ret = Alert::prompt(_("Revert to saved document?"),
 204                         text, 0, 1,  _("&Revert"), _("&Switch to document"));
 205
 206                 if (ret != 0) {
 207                         buffer(bufferlist.getBuffer(s));
 208                         return true;
 209                 } else {
 210                         // FIXME: should be LFUN_REVERT
 211                         if (!bufferlist.close(bufferlist.getBuffer(s), false))
 212                                 return false;
 213                         // Fall through to new load. (Asger)
 214                 }
 215         }
 216
 217         Buffer * b;
 218
 219         if (found) {
 220                 b = bufferlist.newBuffer(s);
 221                 connectBuffer(*b);
 222                 if (!::loadLyXFile(b, s)) {
 223                         bufferlist.release(b);
 224                         return false;
 225                 }
 226         } else {
 227                 string text = bformat(_("The document %1$s does not yet "
 228                                         "exist.\n\nDo you want to create "
 229                                         "a new document?"), s);
 230                 int const ret = Alert::prompt(_("Create new document?"),
 231                          text, 0, 1, _("&Create"), _("Cancel"));
 232
 233                 if (ret == 0)
 234                         b = ::newFile(s, string(), true);
 235                 else
 236                         return false;
 237         }
 238
 239         buffer(b);
 240         bv_->showErrorList(_("Parse"));
 241
 242         if (tolastfiles)
 243                 lastfiles->newFile(b->fileName());
 244
 245         return true;
 246 }
 247
 248
 249 WorkArea & BufferView::Pimpl::workarea() const
 250 {
 251         return *workarea_.get();
 252 }
 253
 254
 255 LyXScreen & BufferView::Pimpl::screen() const
 256 {
 257         return *screen_.get();
 258 }
 259
 260
 261 Painter & BufferView::Pimpl::painter() const
 262 {
 263         return workarea().getPainter();
 264 }
 265
 266
 267 void BufferView::Pimpl::buffer(Buffer * b)
 268 {
 269         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
 270                             << b << ')' << endl;
 271         if (buffer_) {
 272                 disconnectBuffer();
 273                 // Put the old text into the TextCache, but
 274                 // only if the buffer is still loaded.
 275                 // Also set the owner of the test to 0
 276                 //              bv_->text->owner(0);
 277                 textcache.add(buffer_, workarea().workWidth(), bv_->text);
 278                 if (lyxerr.debugging())
 279                         textcache.show(lyxerr, "BufferView::buffer");
 280
 281                 bv_->text = 0;
 282         }
 283
 284         // set current buffer
 285         buffer_ = b;
 286
 287         // if we're quitting lyx, don't bother updating stuff
 288         if (quitting)
 289                 return;
 290
 291         // if we are closing the buffer, use the first buffer as current
 292         if (!buffer_)
 293                 buffer_ = bufferlist.first();
 294
 295         if (buffer_) {
 296                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 297                 connectBuffer(*buffer_);
 298
 299                 // If we don't have a text object for this, we make one
 300                 if (bv_->text == 0)
 301                         resizeCurrentBuffer();
 302
 303                 // FIXME: needed when ?
 304                 bv_->text->top_y(screen().topCursorVisible(bv_->text));
 305
 306                 // Buffer-dependent dialogs should be updated or
 307                 // hidden. This should go here because some dialogs (eg ToC)
 308                 // require bv_->text.
 309                 owner_->getDialogs().updateBufferDependent(true);
 310         } else {
 311                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 312                 owner_->getDialogs().hideBufferDependent();
 313
 314                 // Also remove all remaining text's from the testcache.
 315                 // (there should not be any!) (if there is any it is a
 316                 // bug!)
 317                 if (lyxerr.debugging())
 318                         textcache.show(lyxerr, "buffer delete all");
 319                 textcache.clear();
 320         }
 321
 322         update();
 323         updateScrollbar();
 324         owner_->updateMenubar();
 325         owner_->updateToolbar();
 326         owner_->updateLayoutChoice();
 327         owner_->updateWindowTitle();
 328
 329         if (buffer_) {
 330                 // Don't forget to update the Layout
 331                 string const layoutname =
 332                         bv_->text->cursor.par()->layout()->name();
 333                 owner_->setLayout(layoutname);
 334         }
 335
 336         if (lyx::graphics::Previews::activated() && buffer_)
 337                 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
 338 }
 339
 340
 341 bool BufferView::Pimpl::fitCursor()
 342 {
 343         bool ret;
 344
 345         if (bv_->theLockingInset()) {
 346                 bv_->theLockingInset()->fitInsetCursor(bv_);
 347                 ret = true;
 348         } else {
 349                 ret = screen().fitCursor(bv_->text, bv_);
 350         }
 351
 352         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 353
 354         // We need to always update, in case we did a
 355         // paste and we stayed anchored to a row, but
 356         // the actual height of the doc changed ...
 357         updateScrollbar();
 358         return ret;
 359 }
 360
 361
 362 void BufferView::Pimpl::redoCurrentBuffer()
 363 {
 364         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 365         if (buffer_ && bv_->text) {
 366                 resizeCurrentBuffer();
 367                 updateScrollbar();
 368                 owner_->updateLayoutChoice();
 369                 update();
 370         }
 371 }
 372
 373
 374 int BufferView::Pimpl::resizeCurrentBuffer()
 375 {
 376         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 377
 378         ParagraphList::iterator par;
 379         ParagraphList::iterator selstartpar;
 380         ParagraphList::iterator selendpar;
 381         UpdatableInset * the_locking_inset = 0;
 382
 383         pos_type pos = 0;
 384         pos_type selstartpos = 0;
 385         pos_type selendpos = 0;
 386         bool selection = false;
 387         bool mark_set  = false;
 388
 389         owner_->busy(true);
 390
 391         owner_->message(_("Formatting document..."));
 392
 393         if (bv_->text) {
 394                 par = bv_->text->cursor.par();
 395                 pos = bv_->text->cursor.pos();
 396                 selstartpar = bv_->text->selection.start.par();
 397                 selstartpos = bv_->text->selection.start.pos();
 398                 selendpar = bv_->text->selection.end.par();
 399                 selendpos = bv_->text->selection.end.pos();
 400                 selection = bv_->text->selection.set();
 401                 mark_set = bv_->text->selection.mark();
 402                 the_locking_inset = bv_->theLockingInset();
 403                 resizeInsets(bv_);
 404                 bv_->text->fullRebreak();
 405                 update();
 406         } else {
 407                 lyxerr << "text not available!" << endl;
 408                 // See if we have a text in TextCache that fits
 409                 // the new buffer_ with the correct width.
 410                 bv_->text = textcache.findFit(buffer_, workarea().workWidth());
 411                 if (bv_->text) {
 412                         lyxerr << "text in cache!" << endl;
 413                         if (lyxerr.debugging()) {
 414                                 lyxerr << "Found a LyXText that fits:" << endl;
 415                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea().workWidth(), bv_->text)));
 416                         }
 417                         // Set the owner of the newly found text
 418                         //      bv_->text->owner(bv_);
 419                         if (lyxerr.debugging())
 420                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 421
 422                         resizeInsets(bv_);
 423                 } else {
 424                         lyxerr << "no text in cache!" << endl;
 425                         bv_->text = new LyXText(bv_);
 426                         resizeInsets(bv_);
 427                         bv_->text->init(bv_);
 428                 }
 429
 430                 par = bv_->text->ownerParagraphs().end();
 431                 selstartpar = bv_->text->ownerParagraphs().end();
 432                 selendpar = bv_->text->ownerParagraphs().end();
 433         }
 434
 435         if (par != bv_->text->ownerParagraphs().end()) {
 436                 bv_->text->selection.set(true);
 437                 // At this point just to avoid the Delete-Empty-Paragraph-
 438                 // Mechanism when setting the cursor.
 439                 bv_->text->selection.mark(mark_set);
 440                 if (selection) {
 441                         bv_->text->setCursor(selstartpar, selstartpos);
 442                         bv_->text->selection.cursor = bv_->text->cursor;
 443                         bv_->text->setCursor(selendpar, selendpos);
 444                         bv_->text->setSelection();
 445                         bv_->text->setCursor(par, pos);
 446                 } else {
 447                         bv_->text->setCursor(par, pos);
 448                         bv_->text->selection.cursor = bv_->text->cursor;
 449                         bv_->text->selection.set(false);
 450                 }
 451                 // remake the inset locking
 452                 bv_->theLockingInset(the_locking_inset);
 453         }
 454
 455         bv_->text->top_y(screen().topCursorVisible(bv_->text));
 456
 457         switchKeyMap();
 458         owner_->busy(false);
 459
 460         // reset the "Formatting..." message
 461         owner_->clearMessage();
 462
 463         updateScrollbar();
 464
 465         return 0;
 466 }
 467
 468
 469 void BufferView::Pimpl::updateScrollbar()
 470 {
 471         if (!bv_->text) {
 472                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
 473                 workarea().setScrollbarParams(0, 0, 0);
 474                 return;
 475         }
 476
 477         LyXText const & t = *bv_->text;
 478
 479         lyxerr[Debug::GUI] << "Updating scrollbar: h " << t.height << ", top_y() "
 480                 << t.top_y() << ", default height " << defaultRowHeight() << endl;
 481
 482         workarea().setScrollbarParams(t.height, t.top_y(), defaultRowHeight());
 483 }
 484
 485
 486 void BufferView::Pimpl::scrollDocView(int value)
 487 {
 488         lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
 489
 490         if (!buffer_)
 491                 return;
 492
 493         screen().hideCursor();
 494
 495         screen().draw(bv_->text, bv_, value);
 496
 497         if (!lyxrc.cursor_follows_scrollbar)
 498                 return;
 499
 500         LyXText * vbt = bv_->text;
 501
 502         int const height = defaultRowHeight();
 503         int const first = static_cast<int>((bv_->text->top_y() + height));
 504         int const last = static_cast<int>((bv_->text->top_y() + workarea().workHeight() - height));
 505
 506         if (vbt->cursor.y() < first)
 507                 vbt->setCursorFromCoordinates(0, first);
 508         else if (vbt->cursor.y() > last)
 509                 vbt->setCursorFromCoordinates(0, last);
 510
 511         owner_->updateLayoutChoice();
 512 }
 513
 514
 515 void BufferView::Pimpl::scroll(int lines)
 516 {
 517         if (!buffer_) {
 518                 return;
 519         }
 520
 521         LyXText const * t = bv_->text;
 522         int const line_height = defaultRowHeight();
 523
 524         // The new absolute coordinate
 525         int new_top_y = t->top_y() + lines * line_height;
 526
 527         // Restrict to a valid value
 528         new_top_y = std::min(t->height - 4 * line_height, new_top_y);
 529         new_top_y = std::max(0, new_top_y);
 530
 531         scrollDocView(new_top_y);
 532
 533         // Update the scrollbar.
 534         workarea().setScrollbarParams(t->height, t->top_y(), defaultRowHeight());
 535 }
 536
 537
 538 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 539                                          key_modifier::state state)
 540 {
 541         bv_->owner()->getLyXFunc().processKeySym(key, state);
 542
 543         /* This is perhaps a bit of a hack. When we move
 544          * around, or type, it's nice to be able to see
 545          * the cursor immediately after the keypress. So
 546          * we reset the toggle timeout and force the visibility
 547          * of the cursor. Note we cannot do this inside
 548          * dispatch() itself, because that's called recursively.
 549          */
 550         if (available()) {
 551                 cursor_timeout.restart();
 552                 screen().showCursor(*bv_);
 553         }
 554 }
 555
 556
 557 void BufferView::Pimpl::selectionRequested()
 558 {
 559         static string sel;
 560
 561         if (!available())
 562                 return;
 563
 564         LyXText * text = bv_->getLyXText();
 565
 566         if (text->selection.set() &&
 567                 (!bv_->text->xsel_cache.set() ||
 568                  text->selection.start != bv_->text->xsel_cache.start ||
 569                  text->selection.end != bv_->text->xsel_cache.end))
 570         {
 571                 bv_->text->xsel_cache = text->selection;
 572                 sel = text->selectionAsString(bv_->buffer(), false);
 573         } else if (!text->selection.set()) {
 574                 sel = string();
 575                 bv_->text->xsel_cache.set(false);
 576         }
 577         if (!sel.empty()) {
 578                 workarea().putClipboard(sel);
 579         }
 580 }
 581
 582
 583 void BufferView::Pimpl::selectionLost()
 584 {
 585         if (available()) {
 586                 screen().hideCursor();
 587                 toggleSelection();
 588                 bv_->getLyXText()->clearSelection();
 589                 bv_->text->xsel_cache.set(false);
 590         }
 591 }
 592
 593
 594 void BufferView::Pimpl::workAreaResize()
 595 {
 596         static int work_area_width;
 597         static int work_area_height;
 598
 599         bool const widthChange = workarea().workWidth() != work_area_width;
 600         bool const heightChange = workarea().workHeight() != work_area_height;
 601
 602         // update from work area
 603         work_area_width = workarea().workWidth();
 604         work_area_height = workarea().workHeight();
 605
 606         if (buffer_ != 0) {
 607                 if (widthChange) {
 608                         // The visible LyXView need a resize
 609                         resizeCurrentBuffer();
 610
 611                         // Remove all texts from the textcache
 612                         // This is not _really_ what we want to do. What
 613                         // we really want to do is to delete in textcache
 614                         // that does not have a BufferView with matching
 615                         // width, but as long as we have only one BufferView
 616                         // deleting all gives the same result.
 617                         if (lyxerr.debugging())
 618                                 textcache.show(lyxerr, "Expose delete all");
 619                         textcache.clear();
 620                         // FIXME: this is already done in resizeCurrentBuffer() ??
 621                         resizeInsets(bv_);
 622                 } else if (heightChange) {
 623                         // fitCursor() ensures we don't jump back
 624                         // to the start of the document on vertical
 625                         // resize
 626                         fitCursor();
 627                 }
 628         }
 629
 630         if (widthChange || heightChange)
 631                 update();
 632
 633         // always make sure that the scrollbar is sane.
 634         updateScrollbar();
 635         owner_->updateLayoutChoice();
 636         return;
 637 }
 638
 639
 640 void BufferView::Pimpl::update()
 641 {
 642         lyxerr << "BufferView::update()" << endl;
 643         screen().redraw(*bv_);
 644 }
 645
 646
 647 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
 648 {
 649         if (!text->selection.set() && (f & SELECT)) {
 650                 text->selection.cursor = text->cursor;
 651         }
 652
 653         text->partialRebreak();
 654
 655         if (text->inset_owner) {
 656                 text->inset_owner->setUpdateStatus(InsetText::NONE);
 657                 updateInset(text->inset_owner);
 658         } else {
 659                 update();
 660         }
 661 }
 662
 663
 664 void BufferView::Pimpl::update(BufferView::UpdateCodes f)
 665 {
 666         LyXText * text = bv_->text;
 667
 668         if (!text->selection.set() && (f & SELECT)) {
 669                 text->selection.cursor = text->cursor;
 670         }
 671
 672         text->partialRebreak();
 673
 674         if (text->inset_owner) {
 675                 text->inset_owner->setUpdateStatus(InsetText::NONE);
 676                 updateInset(text->inset_owner);
 677         } else {
 678                 update();
 679         }
 680 }
 681
 682
 683 // Callback for cursor timer
 684 void BufferView::Pimpl::cursorToggle()
 685 {
 686         if (!buffer_) {
 687                 cursor_timeout.restart();
 688                 return;
 689         }
 690
 691         screen().toggleCursor(*bv_);
 692
 693         cursor_timeout.restart();
 694 }
 695
 696
 697 bool BufferView::Pimpl::available() const
 698 {
 699         if (buffer_ && bv_->text)
 700                 return true;
 701         return false;
 702 }
 703
 704
 705 Change const BufferView::Pimpl::getCurrentChange()
 706 {
 707         if (!bv_->buffer()->params.tracking_changes)
 708                 return Change(Change::UNCHANGED);
 709
 710         LyXText * t(bv_->getLyXText());
 711
 712         if (!t->selection.set())
 713                 return Change(Change::UNCHANGED);
 714
 715         LyXCursor const & cur(t->selection.start);
 716         return cur.par()->lookupChangeFull(cur.pos());
 717 }
 718
 719
 720 void BufferView::Pimpl::beforeChange(LyXText * text)
 721 {
 722         toggleSelection();
 723         text->clearSelection();
 724 }
 725
 726
 727 void BufferView::Pimpl::savePosition(unsigned int i)
 728 {
 729         if (i >= saved_positions_num)
 730                 return;
 731         saved_positions[i] = Position(buffer_->fileName(),
 732                                       bv_->text->cursor.par()->id(),
 733                                       bv_->text->cursor.pos());
 734         if (i > 0)
 735                 owner_->message(bformat(_("Saved bookmark %1$s"), tostr(i)));
 736 }
 737
 738
 739 void BufferView::Pimpl::restorePosition(unsigned int i)
 740 {
 741         if (i >= saved_positions_num)
 742                 return;
 743
 744         string const fname = saved_positions[i].filename;
 745
 746         beforeChange(bv_->text);
 747
 748         if (fname != buffer_->fileName()) {
 749                 Buffer * b;
 750                 if (bufferlist.exists(fname))
 751                         b = bufferlist.getBuffer(fname);
 752                 else {
 753                         b = bufferlist.newBuffer(fname);
 754                         ::loadLyXFile(b, fname); // don't ask, just load it
 755                 }
 756                 if (b != 0)
 757                         buffer(b);
 758         }
 759
 760         ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
 761         if (par == buffer_->par_iterator_end())
 762                 return;
 763
 764         bv_->text->setCursor(par.pit(),
 765                              min(par->size(), saved_positions[i].par_pos));
 766
 767         update(BufferView::SELECT);
 768         if (i > 0)
 769                 owner_->message(bformat(_("Moved to bookmark %1$s"), tostr(i)));
 770 }
 771
 772
 773 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
 774 {
 775         if (i >= saved_positions_num)
 776                 return false;
 777
 778         return !saved_positions[i].filename.empty();
 779 }
 780
 781
 782 void BufferView::Pimpl::switchKeyMap()
 783 {
 784         if (!lyxrc.rtl_support)
 785                 return;
 786
 787         LyXText * text = bv_->getLyXText();
 788         if (text->real_current_font.isRightToLeft()
 789             && !(bv_->theLockingInset()
 790                  && bv_->theLockingInset()->lyxCode() == InsetOld::ERT_CODE))
 791         {
 792                 if (owner_->getIntl().keymap == Intl::PRIMARY)
 793                         owner_->getIntl().KeyMapSec();
 794         } else {
 795                 if (owner_->getIntl().keymap == Intl::SECONDARY)
 796                         owner_->getIntl().KeyMapPrim();
 797         }
 798 }
 799
 800
 801 void BufferView::Pimpl::insetUnlock()
 802 {
 803         if (bv_->theLockingInset()) {
 804                 bv_->theLockingInset()->insetUnlock(bv_);
 805                 bv_->theLockingInset(0);
 806                 finishUndo();
 807         }
 808 }
 809
 810
 811 void BufferView::Pimpl::toggleSelection(bool b)
 812 {
 813         screen().toggleSelection(bv_->text, bv_, b);
 814 }
 815
 816
 817 void BufferView::Pimpl::center()
 818 {
 819         LyXText * t = bv_->text;
 820
 821         beforeChange(t);
 822         int const half_height = workarea().workHeight() / 2;
 823         int new_y = 0;
 824
 825         if (t->cursor.y() > half_height) {
 826                 new_y = t->cursor.y() - half_height;
 827         }
 828
 829         // FIXME: look at this comment again ...
 830
 831         // FIXME: can we do this w/o calling screen directly ?
 832         // This updates top_y() but means the fitCursor() call
 833         // from the update(FITCUR) doesn't realise that we might
 834         // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
 835         // the scrollbar to be updated as it should, so we have
 836         // to do it manually. Any operation that does a center()
 837         // and also might have moved top_y() must make sure to call
 838         // updateScrollbar() currently. Never mind that this is a
 839         // pretty obfuscated way of updating t->top_y()
 840         screen().draw(t, bv_, new_y);
 841
 842         update(BufferView::SELECT);
 843 }
 844
 845
 846 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
 847 {
 848         workarea().putClipboard(stuff);
 849 }
 850
 851
 852 /*
 853  * Dispatch functions for actions which can be valid for BufferView->text
 854  * and/or InsetText->text!!!
 855  */
 856
 857
 858 InsetOld * BufferView::Pimpl::getInsetByCode(InsetOld::Code code)
 859 {
 860 #if 0
 861         LyXCursor cursor = bv_->getLyXText()->cursor;
 862         Buffer::inset_iterator it =
 863                 find_if(Buffer::inset_iterator(
 864                         cursor.par(), cursor.pos()),
 865                         buffer_->inset_iterator_end(),
 866                         lyx::compare_memfun(&Inset::lyxCode, code));
 867         return it != buffer_->inset_iterator_end() ? (*it) : 0;
 868 #else
 869         // Ok, this is a little bit too brute force but it
 870         // should work for now. Better infrastructure is comming. (Lgb)
 871
 872         Buffer * b = bv_->buffer();
 873         LyXCursor cursor = bv_->getLyXText()->cursor;
 874
 875         Buffer::inset_iterator beg = b->inset_iterator_begin();
 876         Buffer::inset_iterator end = b->inset_iterator_end();
 877
 878         bool cursor_par_seen = false;
 879
 880         for (; beg != end; ++beg) {
 881                 if (beg.getPar() == cursor.par()) {
 882                         cursor_par_seen = true;
 883                 }
 884                 if (cursor_par_seen) {
 885                         if (beg.getPar() == cursor.par()
 886                             && beg.getPos() >= cursor.pos()) {
 887                                 break;
 888                         } else if (beg.getPar() != cursor.par()) {
 889                                 break;
 890                         }
 891                 }
 892
 893         }
 894         if (beg != end) {
 895                 // Now find the first inset that matches code.
 896                 for (; beg != end; ++beg) {
 897                         if (beg->lyxCode() == code) {
 898                                 return &(*beg);
 899                         }
 900                 }
 901         }
 902         return 0;
 903 #endif
 904 }
 905
 906
 907 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
 908 {
 909         string filename = filen;
 910
 911         if (filename.empty()) {
 912                 // Launch a file browser
 913                 string initpath = lyxrc.document_path;
 914
 915                 if (available()) {
 916                         string const trypath = owner_->buffer()->filePath();
 917                         // If directory is writeable, use this as default.
 918                         if (IsDirWriteable(trypath))
 919                                 initpath = trypath;
 920                 }
 921
 922                 FileDialog fileDlg(_("Select LyX document to insert"),
 923                         LFUN_FILE_INSERT,
 924                         make_pair(string(_("Documents|#o#O")),
 925                                   string(lyxrc.document_path)),
 926                         make_pair(string(_("Examples|#E#e")),
 927                                   string(AddPath(system_lyxdir(), "examples"))));
 928
 929                 FileDialog::Result result =
 930                         fileDlg.open(initpath,
 931                                        _("*.lyx| LyX Documents (*.lyx)"));
 932
 933                 if (result.first == FileDialog::Later)
 934                         return;
 935
 936                 filename = result.second;
 937
 938                 // check selected filename
 939                 if (filename.empty()) {
 940                         owner_->message(_("Canceled."));
 941                         return;
 942                 }
 943         }
 944
 945         // get absolute path of file and add ".lyx" to the filename if
 946         // necessary
 947         filename = FileSearch(string(), filename, "lyx");
 948
 949         string const disp_fn = MakeDisplayPath(filename);
 950         owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
 951         if (bv_->insertLyXFile(filename))
 952                 owner_->message(bformat(_("Document %1$s inserted."),
 953                                         disp_fn));
 954         else
 955                 owner_->message(bformat(_("Could not insert document %1$s"),
 956                                         disp_fn));
 957 }
 958
 959
 960 void BufferView::Pimpl::trackChanges()
 961 {
 962         Buffer * buf(bv_->buffer());
 963         bool const tracking(buf->params.tracking_changes);
 964
 965         if (!tracking) {
 966                 ParIterator const end = buf->par_iterator_end();
 967                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it)
 968                         it->trackChanges();
 969                 buf->params.tracking_changes = true;
 970
 971                 // we cannot allow undos beyond the freeze point
 972                 buf->undostack.clear();
 973         } else {
 974                 update(BufferView::SELECT);
 975                 bv_->text->setCursor(buf->paragraphs.begin(), 0);
 976 #warning changes FIXME
 977                 //moveCursorUpdate(false);
 978
 979                 bool found = lyx::find::findNextChange(bv_);
 980                 if (found) {
 981                         owner_->getDialogs().show("changes");
 982                         return;
 983                 }
 984
 985                 ParIterator const end = buf->par_iterator_end();
 986                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it)
 987                         it->untrackChanges();
 988                 buf->params.tracking_changes = false;
 989         }
 990
 991         buf->redostack.clear();
 992 }
 993
 994
 995 // Doesn't go through lyxfunc, so we need to update the
 996 // layout choice etc. ourselves
 997 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & ev_in)
 998 {
 999         // e.g. Qt mouse press when no buffer
1000         if (!available())
1001                 return false;
1002
1003         screen().hideCursor();
1004
1005         // Make sure that the cached BufferView is correct.
1006         FuncRequest ev = ev_in;
1007         ev.setView(bv_);
1008
1009         bool const res = dispatch(ev);
1010
1011         // see workAreaKeyPress
1012         cursor_timeout.restart();
1013         screen().showCursor(*bv_);
1014
1015         // FIXME: we should skip these when selecting
1016         bv_->owner()->updateLayoutChoice();
1017         bv_->owner()->updateToolbar();
1018         bv_->fitCursor();
1019
1020         // slight hack: this is only called currently when
1021         // we clicked somewhere, so we force through the display
1022         // of the new status here.
1023         bv_->owner()->clearMessage();
1024
1025         return res;
1026 }
1027
1028
1029 bool BufferView::Pimpl::dispatch(FuncRequest const & ev_in)
1030 {
1031         // Make sure that the cached BufferView is correct.
1032         FuncRequest ev = ev_in;
1033         ev.setView(bv_);
1034
1035         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch:"
1036                 << " action[" << ev.action << ']'
1037                 << " arg[" << ev.argument << ']'
1038                 << " x[" << ev.x << ']'
1039                 << " y[" << ev.y << ']'
1040                 << " button[" << ev.button() << ']'
1041                 << endl;
1042
1043         LyXTextClass const & tclass = buffer_->params.getLyXTextClass();
1044
1045         switch (ev.action) {
1046
1047         case LFUN_SCROLL_INSET:
1048                 // this is not handled here as this function is only active
1049                 // if we have a locking_inset and that one is (or contains)
1050                 // a tabular-inset
1051                 break;
1052
1053         case LFUN_FILE_INSERT:
1054                 MenuInsertLyXFile(ev.argument);
1055                 break;
1056
1057         case LFUN_FILE_INSERT_ASCII_PARA:
1058                 InsertAsciiFile(bv_, ev.argument, true);
1059                 break;
1060
1061         case LFUN_FILE_INSERT_ASCII:
1062                 InsertAsciiFile(bv_, ev.argument, false);
1063                 break;
1064
1065         case LFUN_LANGUAGE:
1066                 lang(bv_, ev.argument);
1067                 switchKeyMap();
1068                 owner_->view_state_changed();
1069                 break;
1070
1071         case LFUN_EMPH:
1072                 emph(bv_);
1073                 owner_->view_state_changed();
1074                 break;
1075
1076         case LFUN_BOLD:
1077                 bold(bv_);
1078                 owner_->view_state_changed();
1079                 break;
1080
1081         case LFUN_NOUN:
1082                 noun(bv_);
1083                 owner_->view_state_changed();
1084                 break;
1085
1086         case LFUN_CODE:
1087                 code(bv_);
1088                 owner_->view_state_changed();
1089                 break;
1090
1091         case LFUN_SANS:
1092                 sans(bv_);
1093                 owner_->view_state_changed();
1094                 break;
1095
1096         case LFUN_ROMAN:
1097                 roman(bv_);
1098                 owner_->view_state_changed();
1099                 break;
1100
1101         case LFUN_DEFAULT:
1102                 styleReset(bv_);
1103                 owner_->view_state_changed();
1104                 break;
1105
1106         case LFUN_UNDERLINE:
1107                 underline(bv_);
1108                 owner_->view_state_changed();
1109                 break;
1110
1111         case LFUN_FONT_SIZE:
1112                 fontSize(bv_, ev.argument);
1113                 owner_->view_state_changed();
1114                 break;
1115
1116         case LFUN_FONT_STATE:
1117                 owner_->getLyXFunc().setMessage(currentState(bv_));
1118                 break;
1119
1120         case LFUN_INSERT_LABEL: {
1121                 // Try and generate a valid label
1122                 string const contents = ev.argument.empty() ?
1123                         getPossibleLabel(*bv_) : ev.argument;
1124                 InsetCommandParams icp("label", contents);
1125                 string data = InsetCommandMailer::params2string("label", icp);
1126                 owner_->getDialogs().show("label", data, 0);
1127         }
1128         break;
1129
1130         case LFUN_BOOKMARK_SAVE:
1131                 savePosition(strToUnsignedInt(ev.argument));
1132                 break;
1133
1134         case LFUN_BOOKMARK_GOTO:
1135                 restorePosition(strToUnsignedInt(ev.argument));
1136                 break;
1137
1138         case LFUN_REF_GOTO: {
1139                 string label = ev.argument;
1140                 if (label.empty()) {
1141                         InsetRef * inset =
1142                                 static_cast<InsetRef*>(getInsetByCode(InsetOld::REF_CODE));
1143                         if (inset) {
1144                                 label = inset->getContents();
1145                                 savePosition(0);
1146                         }
1147                 }
1148
1149                 if (!label.empty())
1150                         bv_->gotoLabel(label);
1151         }
1152         break;
1153
1154         // --- accented characters ---------------------------
1155
1156         case LFUN_UMLAUT:
1157         case LFUN_CIRCUMFLEX:
1158         case LFUN_GRAVE:
1159         case LFUN_ACUTE:
1160         case LFUN_TILDE:
1161         case LFUN_CEDILLA:
1162         case LFUN_MACRON:
1163         case LFUN_DOT:
1164         case LFUN_UNDERDOT:
1165         case LFUN_UNDERBAR:
1166         case LFUN_CARON:
1167         case LFUN_SPECIAL_CARON:
1168         case LFUN_BREVE:
1169         case LFUN_TIE:
1170         case LFUN_HUNG_UMLAUT:
1171         case LFUN_CIRCLE:
1172         case LFUN_OGONEK:
1173                 if (ev.argument.empty()) {
1174                         // As always...
1175                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1176                 } else {
1177                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1178                         owner_->getIntl().getTransManager()
1179                                 .TranslateAndInsert(ev.argument[0], bv_->getLyXText());
1180                         update(bv_->getLyXText(), BufferView::SELECT);
1181                 }
1182                 break;
1183
1184         case LFUN_MATH_MACRO:
1185         case LFUN_MATH_DELIM:
1186         case LFUN_INSERT_MATRIX:
1187         case LFUN_INSERT_MATH:
1188         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
1189         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
1190         case LFUN_MATH_MODE:             // Open or create an inlined math inset
1191                 mathDispatch(ev);
1192                 break;
1193
1194         case LFUN_INSET_APPLY: {
1195                 string const name = ev.getArg(0);
1196
1197                 InsetBase * inset = owner_->getDialogs().getOpenInset(name);
1198                 if (inset) {
1199                         // This works both for 'original' and 'mathed' insets.
1200                         // Note that the localDispatch performs updateInset
1201                         // also.
1202                         FuncRequest fr(bv_, LFUN_INSET_MODIFY, ev.argument);
1203                         inset->localDispatch(fr);
1204                 } else {
1205                         FuncRequest fr(bv_, LFUN_INSET_INSERT, ev.argument);
1206                         dispatch(fr);
1207                 }
1208         }
1209         break;
1210
1211         case LFUN_INSET_INSERT: {
1212                 InsetOld * inset = createInset(ev);
1213                 if (inset && insertInset(inset)) {
1214                         updateInset(inset);
1215
1216                         string const name = ev.getArg(0);
1217                         if (name == "bibitem") {
1218                                 // We need to do a redraw because the maximum
1219                                 // InsetBibitem width could have changed
1220 #warning check whether the update() is needed at all
1221                                 bv_->update();
1222                                 bv_->fitCursor();
1223                         }
1224                 } else {
1225                         delete inset;
1226                 }
1227         }
1228         break;
1229
1230         case LFUN_FLOAT_LIST:
1231                 if (tclass.floats().typeExist(ev.argument)) {
1232                         InsetOld * inset = new InsetFloatList(ev.argument);
1233                         if (!insertInset(inset, tclass.defaultLayoutName()))
1234                                 delete inset;
1235                 } else {
1236                         lyxerr << "Non-existent float type: "
1237                                << ev.argument << endl;
1238                 }
1239                 break;
1240
1241         case LFUN_LAYOUT_PARAGRAPH: {
1242                 Paragraph const * par = &*bv_->getLyXText()->cursor.par();
1243                 if (!par)
1244                         break;
1245
1246                 string data;
1247                 params2string(*par, data);
1248
1249                 data = "show\n" + data;
1250                 bv_->owner()->getDialogs().show("paragraph", data);
1251                 break;
1252         }
1253
1254         case LFUN_PARAGRAPH_UPDATE: {
1255                 if (!bv_->owner()->getDialogs().visible("paragraph"))
1256                         break;
1257                 Paragraph const * par = &*bv_->getLyXText()->cursor.par();
1258                 if (!par)
1259                         break;
1260
1261                 string data;
1262                 params2string(*par, data);
1263
1264                 // Will the paragraph accept changes from the dialog?
1265                 InsetOld * const inset = par->inInset();
1266                 bool const accept =
1267                         !(inset && inset->forceDefaultParagraphs(inset));
1268
1269                 data = "update " + tostr(accept) + '\n' + data;
1270                 bv_->owner()->getDialogs().update("paragraph", data);
1271                 break;
1272         }
1273
1274         case LFUN_PARAGRAPH_APPLY:
1275                 setParagraphParams(*bv_, ev.argument);
1276                 break;
1277
1278         case LFUN_THESAURUS_ENTRY:
1279         {
1280                 string arg = ev.argument;
1281
1282                 if (arg.empty()) {
1283                         arg = bv_->getLyXText()->selectionAsString(buffer_,
1284                                                                    false);
1285
1286                         // FIXME
1287                         if (arg.size() > 100 || arg.empty()) {
1288                                 // Get word or selection
1289                                 bv_->getLyXText()->selectWordWhenUnderCursor(lyx::WHOLE_WORD);
1290                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
1291                                 // FIXME: where is getLyXText()->unselect(bv_) ?
1292                         }
1293                 }
1294
1295                 bv_->owner()->getDialogs().show("thesaurus", arg);
1296         }
1297                 break;
1298
1299         case LFUN_TRACK_CHANGES:
1300                 trackChanges();
1301                 break;
1302
1303         case LFUN_MERGE_CHANGES:
1304                 owner_->getDialogs().show("changes");
1305                 break;
1306
1307         case LFUN_ACCEPT_ALL_CHANGES: {
1308                 update(BufferView::SELECT);
1309                 bv_->text->setCursor(bv_->buffer()->paragraphs.begin(), 0);
1310 #warning FIXME changes
1311                 //moveCursorUpdate(false);
1312
1313                 while (lyx::find::findNextChange(bv_)) {
1314                         bv_->getLyXText()->acceptChange();
1315                 }
1316                 update(BufferView::SELECT);
1317                 break;
1318         }
1319
1320         case LFUN_REJECT_ALL_CHANGES: {
1321                 update(BufferView::SELECT);
1322                 bv_->text->setCursor(bv_->buffer()->paragraphs.begin(), 0);
1323 #warning FIXME changes
1324                 //moveCursorUpdate(false);
1325
1326                 while (lyx::find::findNextChange(bv_)) {
1327                         bv_->getLyXText()->rejectChange();
1328                 }
1329                 update(BufferView::SELECT);
1330                 break;
1331         }
1332
1333         case LFUN_ACCEPT_CHANGE: {
1334                 bv_->getLyXText()->acceptChange();
1335                 update(BufferView::SELECT);
1336                 break;
1337         }
1338
1339         case LFUN_REJECT_CHANGE: {
1340                 bv_->getLyXText()->rejectChange();
1341                 update(BufferView::SELECT);
1342                 break;
1343         }
1344
1345         case LFUN_UNKNOWN_ACTION:
1346                 ev.errorMessage(N_("Unknown function!"));
1347                 break;
1348
1349         default:
1350                 return bv_->getLyXText()->dispatch(FuncRequest(ev, bv_));
1351         } // end of switch
1352
1353         return true;
1354 }
1355
1356
1357 bool BufferView::Pimpl::insertInset(InsetOld * inset, string const & lout)
1358 {
1359         // if we are in a locking inset we should try to insert the
1360         // inset there otherwise this is a illegal function now
1361         if (bv_->theLockingInset()) {
1362                 if (bv_->theLockingInset()->insetAllowed(inset))
1363                         return bv_->theLockingInset()->insertInset(bv_, inset);
1364                 return false;
1365         }
1366
1367         // not quite sure if we want this...
1368         recordUndo(bv_, Undo::ATOMIC);
1369         freezeUndo();
1370
1371         beforeChange(bv_->text);
1372         if (!lout.empty()) {
1373                 update(BufferView::SELECT);
1374                 bv_->text->breakParagraph(bv_->buffer()->paragraphs);
1375                 update(BufferView::SELECT);
1376
1377                 if (!bv_->text->cursor.par()->empty()) {
1378                         bv_->text->cursorLeft(bv_);
1379
1380                         bv_->text->breakParagraph(bv_->buffer()->paragraphs);
1381                         update(BufferView::SELECT);
1382                 }
1383
1384                 string lres = lout;
1385                 LyXTextClass const & tclass =
1386                         buffer_->params.getLyXTextClass();
1387                 bool hasLayout = tclass.hasLayout(lres);
1388                 string lay = tclass.defaultLayoutName();
1389
1390                 if (hasLayout != false) {
1391                         // layout found
1392                         lay = lres;
1393                 } else {
1394                         // layout not fount using default
1395                         lay = tclass.defaultLayoutName();
1396                 }
1397
1398                 bv_->text->setLayout(lay);
1399
1400                 bv_->text->setParagraph(0, 0,
1401                                    0, 0,
1402                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
1403                                    Spacing(),
1404                                    LYX_ALIGN_LAYOUT,
1405                                    string(),
1406                                    0);
1407                 update(BufferView::SELECT);
1408         }
1409
1410         bv_->text->insertInset(inset);
1411         update(BufferView::SELECT);
1412
1413         unFreezeUndo();
1414         return true;
1415 }
1416
1417
1418 void BufferView::Pimpl::updateInset(InsetOld * inset)
1419 {
1420         if (!inset || !available())
1421                 return;
1422
1423         // first check for locking insets
1424         if (bv_->theLockingInset()) {
1425                 if (bv_->theLockingInset() == inset) {
1426                         if (bv_->text->updateInset(inset)) {
1427                                 update();
1428                                 updateScrollbar();
1429                                 return;
1430                         }
1431                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
1432                         if (bv_->text->updateInset(bv_->theLockingInset())) {
1433                                 update();
1434                                 updateScrollbar();
1435                                 return;
1436                         }
1437                 }
1438         }
1439
1440         // then check if the inset is a top_level inset (has no owner)
1441         // if yes do the update as always otherwise we have to update the
1442         // toplevel inset where this inset is inside
1443         InsetOld * tl_inset = inset;
1444         while (tl_inset->owner())
1445                 tl_inset = tl_inset->owner();
1446         if (tl_inset == inset) {
1447                 update(BufferView::UPDATE);
1448                 if (bv_->text->updateInset(inset)) {
1449                         update(BufferView::SELECT);
1450                         return;
1451                 }
1452         } else if (static_cast<UpdatableInset *>(tl_inset)
1453                            ->updateInsetInInset(bv_, inset))
1454         {
1455                 if (bv_->text->updateInset(tl_inset)) {
1456                         update();
1457                         updateScrollbar();
1458                 }
1459         }
1460 }