src/BufferView_pimpl.C

   1 /**
   2  * \file BufferView_pimpl.C
   3  * Copyright 2002 the LyX Team
   4  * Read the file COPYING
   5  *
   6  * \author various
   7  */
   8
   9 #include <config.h>
  10
  11 #include "BufferView_pimpl.h"
  12 #include "bufferlist.h"
  13 #include "bufferview_funcs.h"
  14 #include "commandtags.h"
  15 #include "debug.h"
  16 #include "factory.h"
  17 #include "FloatList.h"
  18 #include "funcrequest.h"
  19 #include "gettext.h"
  20 #include "intl.h"
  21 #include "iterators.h"
  22 #include "lyx_cb.h" // added for Dispatch functions
  23 #include "lyx_main.h"
  24 #include "lyxfind.h"
  25 #include "lyxfunc.h"
  26 #include "lyxtext.h"
  27 #include "lyxrc.h"
  28 #include "lyxrow.h"
  29 #include "paragraph.h"
  30 #include "ParagraphParameters.h"
  31 #include "TextCache.h"
  32 #include "undo_funcs.h"
  33
  34 #include "insets/insetfloatlist.h"
  35 #include "insets/insetgraphics.h"
  36 #include "insets/insetinclude.h"
  37 #include "insets/insetref.h"
  38 #include "insets/insettext.h"
  39
  40 #include "frontends/Alert.h"
  41 #include "frontends/Dialogs.h"
  42 #include "frontends/FileDialog.h"
  43 #include "frontends/LyXView.h"
  44 #include "frontends/LyXScreenFactory.h"
  45 #include "frontends/mouse_state.h"
  46 #include "frontends/screen.h"
  47 #include "frontends/WorkArea.h"
  48 #include "frontends/WorkAreaFactory.h"
  49
  50 #include "mathed/formulabase.h"
  51
  52 #include "graphics/Previews.h"
  53
  54 #include "support/LAssert.h"
  55 #include "support/lstrings.h"
  56 #include "support/filetools.h"
  57
  58 #include <boost/bind.hpp>
  59 #include <boost/signals/connection.hpp>
  60 #include "BoostFormat.h"
  61
  62 #include <unistd.h>
  63 #include <sys/wait.h>
  64
  65
  66 using std::vector;
  67 using std::find_if;
  68 using std::find;
  69 using std::pair;
  70 using std::endl;
  71 using std::make_pair;
  72 using std::min;
  73
  74 using lyx::pos_type;
  75
  76 extern BufferList bufferlist;
  77
  78
  79 namespace {
  80
  81 unsigned int const saved_positions_num = 20;
  82
  83 // All the below connection objects are needed because of a bug in some
  84 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
  85 // to these connections we avoid a segfault upon startup, and also at exit.
  86 // (Lgb)
  87
  88 boost::signals::connection dispatchcon;
  89 boost::signals::connection timecon;
  90 boost::signals::connection doccon;
  91 boost::signals::connection resizecon;
  92 boost::signals::connection kpresscon;
  93 boost::signals::connection selectioncon;
  94 boost::signals::connection lostcon;
  95
  96
  97 } // anon namespace
  98
  99
 100 BufferView::Pimpl::Pimpl(BufferView * bv, LyXView * owner,
 101              int xpos, int ypos, int width, int height)
 102         : bv_(bv), owner_(owner), buffer_(0), cursor_timeout(400),
 103           using_xterm_cursor(false)
 104 {
 105         workarea_.reset(WorkAreaFactory::create(xpos, ypos, width, height));
 106         screen_.reset(LyXScreenFactory::create(workarea()));
 107
 108         // Setup the signals
 109         doccon = workarea().scrollDocView
 110                 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
 111         resizecon = workarea().workAreaResize
 112                 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
 113         dispatchcon = workarea().dispatch
 114                 .connect(boost::bind(&BufferView::Pimpl::dispatch, this, _1));
 115         kpresscon = workarea().workAreaKeyPress
 116                 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
 117         selectioncon = workarea().selectionRequested
 118                 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
 119         lostcon = workarea().selectionLost
 120                 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
 121
 122         timecon = cursor_timeout.timeout
 123                 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
 124         cursor_timeout.start();
 125         saved_positions.resize(saved_positions_num);
 126 }
 127
 128
 129 WorkArea & BufferView::Pimpl::workarea() const
 130 {
 131         return *workarea_.get();
 132 }
 133
 134
 135 LyXScreen & BufferView::Pimpl::screen() const
 136 {
 137         return *screen_.get();
 138 }
 139
 140
 141 Painter & BufferView::Pimpl::painter() const
 142 {
 143         return workarea().getPainter();
 144 }
 145
 146
 147 void BufferView::Pimpl::buffer(Buffer * b)
 148 {
 149         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
 150                             << b << ')' << endl;
 151         if (buffer_) {
 152                 buffer_->delUser(bv_);
 153
 154                 // Put the old text into the TextCache, but
 155                 // only if the buffer is still loaded.
 156                 // Also set the owner of the test to 0
 157                 //              bv_->text->owner(0);
 158                 textcache.add(buffer_, workarea().workWidth(), bv_->text);
 159                 if (lyxerr.debugging())
 160                         textcache.show(lyxerr, "BufferView::buffer");
 161
 162                 bv_->text = 0;
 163         }
 164
 165         // set current buffer
 166         buffer_ = b;
 167
 168         // if we're quitting lyx, don't bother updating stuff
 169         if (quitting)
 170                 return;
 171
 172         // if we are closing the buffer, use the first buffer as current
 173         if (!buffer_) {
 174                 buffer_ = bufferlist.first();
 175         }
 176
 177         if (buffer_) {
 178                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 179                 buffer_->addUser(bv_);
 180
 181                 // If we don't have a text object for this, we make one
 182                 if (bv_->text == 0) {
 183                         resizeCurrentBuffer();
 184                 }
 185
 186                 // FIXME: needed when ?
 187                 bv_->text->first_y =
 188                         screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 189
 190                 // Similarly, buffer-dependent dialogs should be updated or
 191                 // hidden. This should go here because some dialogs (eg ToC)
 192                 // require bv_->text.
 193                 owner_->getDialogs().updateBufferDependent(true);
 194         } else {
 195                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 196                 owner_->getDialogs().hideBufferDependent();
 197
 198                 // Also remove all remaining text's from the testcache.
 199                 // (there should not be any!) (if there is any it is a
 200                 // bug!)
 201                 if (lyxerr.debugging())
 202                         textcache.show(lyxerr, "buffer delete all");
 203                 textcache.clear();
 204         }
 205
 206         repaint();
 207         updateScrollbar();
 208         owner_->updateMenubar();
 209         owner_->updateToolbar();
 210         owner_->updateLayoutChoice();
 211         owner_->updateWindowTitle();
 212
 213         if (grfx::Previews::activated() && buffer_)
 214                 grfx::Previews::get().generateBufferPreviews(*buffer_);
 215 }
 216
 217
 218 bool BufferView::Pimpl::fitCursor()
 219 {
 220         bool ret;
 221
 222         if (bv_->theLockingInset()) {
 223                 bv_->theLockingInset()->fitInsetCursor(bv_);
 224                 ret = true;
 225         } else {
 226                 ret = screen().fitCursor(bv_->text, bv_);
 227         }
 228
 229         bv_->owner()->getDialogs().updateParagraph();
 230         if (ret)
 231                 updateScrollbar();
 232         return ret;
 233 }
 234
 235
 236 void BufferView::Pimpl::redoCurrentBuffer()
 237 {
 238         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 239         if (buffer_ && bv_->text) {
 240                 resizeCurrentBuffer();
 241                 updateScrollbar();
 242                 owner_->updateLayoutChoice();
 243                 repaint();
 244         }
 245 }
 246
 247
 248 int BufferView::Pimpl::resizeCurrentBuffer()
 249 {
 250         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 251
 252         Paragraph * par = 0;
 253         Paragraph * selstartpar = 0;
 254         Paragraph * selendpar = 0;
 255         UpdatableInset * the_locking_inset = 0;
 256
 257         pos_type pos = 0;
 258         pos_type selstartpos = 0;
 259         pos_type selendpos = 0;
 260         bool selection = false;
 261         bool mark_set  = false;
 262
 263         owner_->busy(true);
 264
 265         owner_->message(_("Formatting document..."));
 266
 267         if (bv_->text) {
 268                 par = bv_->text->cursor.par();
 269                 pos = bv_->text->cursor.pos();
 270                 selstartpar = bv_->text->selection.start.par();
 271                 selstartpos = bv_->text->selection.start.pos();
 272                 selendpar = bv_->text->selection.end.par();
 273                 selendpos = bv_->text->selection.end.pos();
 274                 selection = bv_->text->selection.set();
 275                 mark_set = bv_->text->selection.mark();
 276                 the_locking_inset = bv_->theLockingInset();
 277                 buffer_->resizeInsets(bv_);
 278                 // I don't think the delete and new are necessary here we just could
 279                 // call only init! (Jug 20020419)
 280                 delete bv_->text;
 281                 bv_->text = new LyXText(bv_);
 282                 bv_->text->init(bv_);
 283         } else {
 284                 // See if we have a text in TextCache that fits
 285                 // the new buffer_ with the correct width.
 286                 bv_->text = textcache.findFit(buffer_, workarea().workWidth());
 287                 if (bv_->text) {
 288                         if (lyxerr.debugging()) {
 289                                 lyxerr << "Found a LyXText that fits:\n";
 290                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea().workWidth(), bv_->text)));
 291                         }
 292                         // Set the owner of the newly found text
 293                         //      bv_->text->owner(bv_);
 294                         if (lyxerr.debugging())
 295                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 296
 297                         buffer_->resizeInsets(bv_);
 298                 } else {
 299                         bv_->text = new LyXText(bv_);
 300                         bv_->text->init(bv_);
 301                         //buffer_->resizeInsets(bv_);
 302                 }
 303         }
 304
 305         if (par) {
 306                 bv_->text->selection.set(true);
 307                 // At this point just to avoid the Delete-Empty-Paragraph-
 308                 // Mechanism when setting the cursor.
 309                 bv_->text->selection.mark(mark_set);
 310                 if (selection) {
 311                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
 312                         bv_->text->selection.cursor = bv_->text->cursor;
 313                         bv_->text->setCursor(bv_, selendpar, selendpos);
 314                         bv_->text->setSelection(bv_);
 315                         bv_->text->setCursor(bv_, par, pos);
 316                 } else {
 317                         bv_->text->setCursor(bv_, par, pos);
 318                         bv_->text->selection.cursor = bv_->text->cursor;
 319                         bv_->text->selection.set(false);
 320                 }
 321                 // remake the inset locking
 322                 bv_->theLockingInset(the_locking_inset);
 323         }
 324
 325         bv_->text->first_y = screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 326
 327         switchKeyMap();
 328         owner_->busy(false);
 329
 330         updateScrollbar();
 331
 332         return 0;
 333 }
 334
 335
 336 void BufferView::Pimpl::repaint()
 337 {
 338         // Regenerate the screen.
 339         screen().redraw(bv_->text, bv_);
 340 }
 341
 342
 343 void BufferView::Pimpl::updateScrollbar()
 344 {
 345         if (!bv_->text) {
 346                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
 347                 workarea().setScrollbarParams(0, 0, 0);
 348                 return;
 349         }
 350
 351         LyXText const & t = *bv_->text;
 352
 353         lyxerr[Debug::GUI] << "Updating scrollbar: h " << t.height << ", first_y "
 354                 << t.first_y << ", default height " << defaultRowHeight() << endl;
 355
 356         workarea().setScrollbarParams(t.height, t.first_y, defaultRowHeight());
 357 }
 358
 359
 360 void BufferView::Pimpl::scrollDocView(int value)
 361 {
 362         lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
 363
 364         if (!buffer_)
 365                 return;
 366
 367         screen().draw(bv_->text, bv_, value);
 368
 369         if (!lyxrc.cursor_follows_scrollbar)
 370                 return;
 371
 372         LyXText * vbt = bv_->text;
 373
 374         int const height = defaultRowHeight();
 375         int const first = static_cast<int>((bv_->text->first_y + height));
 376         int const last = static_cast<int>((bv_->text->first_y + workarea().workHeight() - height));
 377
 378         if (vbt->cursor.y() < first)
 379                 vbt->setCursorFromCoordinates(bv_, 0, first);
 380         else if (vbt->cursor.y() > last)
 381                 vbt->setCursorFromCoordinates(bv_, 0, last);
 382 }
 383
 384
 385 void BufferView::Pimpl::scroll(int lines)
 386 {
 387         if (!buffer_) {
 388                 return;
 389         }
 390
 391         LyXText const * t = bv_->text;
 392         int const line_height = defaultRowHeight();
 393
 394         // The new absolute coordinate
 395         int new_first_y = t->first_y + lines * line_height;
 396
 397         // Restrict to a valid value
 398         new_first_y = std::min(t->height - 4 * line_height, new_first_y);
 399         new_first_y = std::max(0, new_first_y);
 400
 401         scrollDocView(new_first_y);
 402
 403         // Update the scrollbar.
 404         workarea().setScrollbarParams(t->height, t->first_y, defaultRowHeight());
 405 }
 406
 407
 408 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 409                                          key_modifier::state state)
 410 {
 411         bv_->owner()->getLyXFunc().processKeySym(key, state);
 412 }
 413
 414
 415 void BufferView::Pimpl::selectionRequested()
 416 {
 417         static string sel;
 418
 419         if (!available())
 420                 return;
 421
 422         LyXText * text = bv_->getLyXText();
 423
 424         if (text->selection.set() &&
 425                 (!bv_->text->xsel_cache.set() ||
 426                  text->selection.start != bv_->text->xsel_cache.start ||
 427                  text->selection.end != bv_->text->xsel_cache.end))
 428         {
 429                 bv_->text->xsel_cache = text->selection;
 430                 sel = text->selectionAsString(bv_->buffer(), false);
 431         } else if (!text->selection.set()) {
 432                 sel = string();
 433                 bv_->text->xsel_cache.set(false);
 434         }
 435         if (!sel.empty()) {
 436                 workarea().putClipboard(sel);
 437         }
 438 }
 439
 440
 441 void BufferView::Pimpl::selectionLost()
 442 {
 443         if (available()) {
 444                 hideCursor();
 445                 toggleSelection();
 446                 bv_->getLyXText()->clearSelection();
 447                 showCursor();
 448                 bv_->text->xsel_cache.set(false);
 449         }
 450 }
 451
 452
 453 void BufferView::Pimpl::workAreaResize()
 454 {
 455         static int work_area_width;
 456         static int work_area_height;
 457
 458         bool const widthChange = workarea().workWidth() != work_area_width;
 459         bool const heightChange = workarea().workHeight() != work_area_height;
 460
 461         // update from work area
 462         work_area_width = workarea().workWidth();
 463         work_area_height = workarea().workHeight();
 464
 465         if (buffer_ != 0) {
 466                 if (widthChange) {
 467                         // The visible LyXView need a resize
 468                         resizeCurrentBuffer();
 469
 470                         // Remove all texts from the textcache
 471                         // This is not _really_ what we want to do. What
 472                         // we really want to do is to delete in textcache
 473                         // that does not have a BufferView with matching
 474                         // width, but as long as we have only one BufferView
 475                         // deleting all gives the same result.
 476                         if (lyxerr.debugging())
 477                                 textcache.show(lyxerr, "Expose delete all");
 478                         textcache.clear();
 479                         // FIXME: this is already done in resizeCurrentBuffer() ??
 480                         buffer_->resizeInsets(bv_);
 481                 } else if (heightChange) {
 482                         // fitCursor() ensures we don't jump back
 483                         // to the start of the document on vertical
 484                         // resize
 485                         fitCursor();
 486                 }
 487         }
 488
 489         if (widthChange || heightChange) {
 490                 repaint();
 491         }
 492
 493         // always make sure that the scrollbar is sane.
 494         updateScrollbar();
 495         owner_->updateLayoutChoice();
 496         return;
 497 }
 498
 499
 500 void BufferView::Pimpl::update()
 501 {
 502         if (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()) {
 503                 LyXText::text_status st = bv_->text->status();
 504                 screen().update(bv_->text, bv_);
 505                 bool fitc = false;
 506                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
 507                         bv_->text->fullRebreak(bv_);
 508                         st = LyXText::NEED_MORE_REFRESH;
 509                         bv_->text->setCursor(bv_, bv_->text->cursor.par(),
 510                                              bv_->text->cursor.pos());
 511                         if (bv_->text->selection.set()) {
 512                                 bv_->text->setCursor(bv_, bv_->text->selection.start,
 513                                                      bv_->text->selection.start.par(),
 514                                                      bv_->text->selection.start.pos());
 515                                 bv_->text->setCursor(bv_, bv_->text->selection.end,
 516                                                      bv_->text->selection.end.par(),
 517                                                      bv_->text->selection.end.pos());
 518                         }
 519                         fitc = true;
 520                         bv_->text->status(bv_, st);
 521                         screen().update(bv_->text, bv_);
 522                 }
 523                 // do this here instead of in the screen::update because of
 524                 // the above loop!
 525                 bv_->text->status(bv_, LyXText::UNCHANGED);
 526                 if (fitc)
 527                         fitCursor();
 528         }
 529 }
 530
 531 // Values used when calling update:
 532 // -3 - update
 533 // -2 - update, move sel_cursor if selection, fitcursor
 534 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
 535 //  0 - update, move sel_cursor if selection, fitcursor
 536 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
 537 //  3 - update, move sel_cursor if selection
 538 //
 539 // update -
 540 // a simple redraw of the parts that need refresh
 541 //
 542 // move sel_cursor if selection -
 543 // the text's sel_cursor is moved if there is selection is progress
 544 //
 545 // fitcursor -
 546 // fitCursor() is called and the scrollbar updated
 547 //
 548 // mark dirty -
 549 // the buffer is marked dirty.
 550 //
 551 // enum {
 552 //       UPDATE = 0,
 553 //       SELECT = 1,
 554 //       FITCUR = 2,
 555 //       CHANGE = 4
 556 // };
 557 //
 558 // UPDATE_ONLY = UPDATE;
 559 // UPDATE_SELECT = UPDATE | SELECT;
 560 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
 561 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
 562 //
 563 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
 564 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
 565 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 566 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 567 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
 568
 569 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
 570 {
 571         owner_->updateLayoutChoice();
 572
 573         if (!text->selection.set() && (f & SELECT)) {
 574                 text->selection.cursor = text->cursor;
 575         }
 576
 577         text->fullRebreak(bv_);
 578
 579         if (text->inset_owner) {
 580                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
 581                 updateInset(text->inset_owner, false);
 582         } else {
 583                 update();
 584         }
 585
 586         if ((f & FITCUR)) {
 587                 fitCursor();
 588         }
 589
 590         if ((f & CHANGE)) {
 591                 buffer_->markDirty();
 592         }
 593 }
 594
 595
 596 // Callback for cursor timer
 597 void BufferView::Pimpl::cursorToggle()
 598 {
 599         if (!buffer_) {
 600                 cursor_timeout.restart();
 601                 return;
 602         }
 603
 604         if (!bv_->theLockingInset()) {
 605                 screen().cursorToggle(bv_);
 606         } else {
 607                 bv_->theLockingInset()->toggleInsetCursor(bv_);
 608         }
 609
 610         cursor_timeout.restart();
 611 }
 612
 613
 614 bool BufferView::Pimpl::available() const
 615 {
 616         if (buffer_ && bv_->text)
 617                 return true;
 618         return false;
 619 }
 620
 621
 622 Change const BufferView::Pimpl::getCurrentChange()
 623 {
 624         if (!bv_->buffer()->params.tracking_changes)
 625                 return Change(Change::UNCHANGED);
 626
 627         LyXText * t(bv_->getLyXText());
 628
 629         if (!t->selection.set())
 630                 return Change(Change::UNCHANGED);
 631
 632         LyXCursor const & cur(t->selection.start);
 633         return cur.par()->lookupChangeFull(cur.pos());
 634 }
 635
 636
 637 void BufferView::Pimpl::beforeChange(LyXText * text)
 638 {
 639         toggleSelection();
 640         text->clearSelection();
 641 }
 642
 643
 644 void BufferView::Pimpl::savePosition(unsigned int i)
 645 {
 646         if (i >= saved_positions_num)
 647                 return;
 648         saved_positions[i] = Position(buffer_->fileName(),
 649                                       bv_->text->cursor.par()->id(),
 650                                       bv_->text->cursor.pos());
 651         if (i > 0) {
 652                 ostringstream str;
 653 #if USE_BOOST_FORMAT
 654                 str << boost::format(_("Saved bookmark %1$d")) % i;
 655 #else
 656                 str << _("Saved bookmark ") << i;
 657 #endif
 658                 owner_->message(STRCONV(str.str()));
 659         }
 660 }
 661
 662
 663 void BufferView::Pimpl::restorePosition(unsigned int i)
 664 {
 665         if (i >= saved_positions_num)
 666                 return;
 667
 668         string const fname = saved_positions[i].filename;
 669
 670         beforeChange(bv_->text);
 671
 672         if (fname != buffer_->fileName()) {
 673                 Buffer * b = bufferlist.exists(fname) ?
 674                         bufferlist.getBuffer(fname) :
 675                         bufferlist.loadLyXFile(fname); // don't ask, just load it
 676                 if (b != 0) buffer(b);
 677         }
 678
 679         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
 680         if (!par)
 681                 return;
 682
 683         bv_->text->setCursor(bv_, par,
 684                              min(par->size(), saved_positions[i].par_pos));
 685
 686         update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 687         if (i > 0) {
 688                 ostringstream str;
 689 #if USE_BOOST_FORMAT
 690                 str << boost::format(_("Moved to bookmark %1$d")) % i;
 691 #else
 692                 str << _("Moved to bookmark ") << i;
 693 #endif
 694                 owner_->message(STRCONV(str.str()));
 695         }
 696 }
 697
 698
 699 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
 700 {
 701         if (i >= saved_positions_num)
 702                 return false;
 703
 704         return !saved_positions[i].filename.empty();
 705 }
 706
 707
 708 void BufferView::Pimpl::switchKeyMap()
 709 {
 710         if (!lyxrc.rtl_support)
 711                 return;
 712
 713         LyXText * text = bv_->getLyXText();
 714         if (text->real_current_font.isRightToLeft()
 715             && !(bv_->theLockingInset()
 716                  && bv_->theLockingInset()->lyxCode() == Inset::ERT_CODE))
 717         {
 718                 if (owner_->getIntl().keymap == Intl::PRIMARY)
 719                         owner_->getIntl().KeyMapSec();
 720         } else {
 721                 if (owner_->getIntl().keymap == Intl::SECONDARY)
 722                         owner_->getIntl().KeyMapPrim();
 723         }
 724 }
 725
 726
 727 void BufferView::Pimpl::insetUnlock()
 728 {
 729         if (bv_->theLockingInset()) {
 730                 bv_->theLockingInset()->insetUnlock(bv_);
 731                 bv_->theLockingInset(0);
 732                 finishUndo();
 733         }
 734 }
 735
 736
 737 void BufferView::Pimpl::showCursor()
 738 {
 739         if (bv_->theLockingInset())
 740                 bv_->theLockingInset()->showInsetCursor(bv_);
 741         else
 742                 screen().showCursor(bv_->text, bv_);
 743 }
 744
 745
 746 void BufferView::Pimpl::hideCursor()
 747 {
 748         if (!bv_->theLockingInset())
 749                 screen().hideCursor();
 750 }
 751
 752
 753 void BufferView::Pimpl::toggleSelection(bool b)
 754 {
 755         if (bv_->theLockingInset())
 756                 bv_->theLockingInset()->toggleSelection(bv_, b);
 757         screen().toggleSelection(bv_->text, bv_, b);
 758 }
 759
 760
 761 void BufferView::Pimpl::toggleToggle()
 762 {
 763         screen().toggleToggle(bv_->text, bv_);
 764 }
 765
 766
 767 void BufferView::Pimpl::center()
 768 {
 769         LyXText * t = bv_->text;
 770
 771         beforeChange(t);
 772         int const half_height = workarea().workHeight() / 2;
 773         int new_y = 0;
 774
 775         if (t->cursor.y() > half_height) {
 776                 new_y = t->cursor.y() - half_height;
 777         }
 778
 779         // FIXME: can we do this w/o calling screen directly ?
 780         // This updates first_y but means the fitCursor() call
 781         // from the update(FITCUR) doesn't realise that we might
 782         // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
 783         // the scrollbar to be updated as it should, so we have
 784         // to do it manually. Any operation that does a center()
 785         // and also might have moved first_y must make sure to call
 786         // updateScrollbar() currently. Never mind that this is a
 787         // pretty obfuscated way of updating t->first_y
 788         screen().draw(t, bv_, new_y);
 789
 790         update(t, BufferView::SELECT | BufferView::FITCUR);
 791 }
 792
 793
 794 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
 795 {
 796         workarea().putClipboard(stuff);
 797 }
 798
 799
 800 /*
 801  * Dispatch functions for actions which can be valid for BufferView->text
 802  * and/or InsetText->text!!!
 803  */
 804
 805
 806 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
 807 {
 808 #if 0
 809         LyXCursor cursor = bv_->getLyXText()->cursor;
 810         Buffer::inset_iterator it =
 811                 find_if(Buffer::inset_iterator(
 812                         cursor.par(), cursor.pos()),
 813                         buffer_->inset_iterator_end(),
 814                         lyx::compare_memfun(&Inset::lyxCode, code));
 815         return it != buffer_->inset_iterator_end() ? (*it) : 0;
 816 #else
 817         // Ok, this is a little bit too brute force but it
 818         // should work for now. Better infrastructure is comming. (Lgb)
 819
 820         Buffer * b = bv_->buffer();
 821         LyXCursor cursor = bv_->getLyXText()->cursor;
 822
 823         Buffer::inset_iterator beg = b->inset_iterator_begin();
 824         Buffer::inset_iterator end = b->inset_iterator_end();
 825
 826         bool cursor_par_seen = false;
 827
 828         for (; beg != end; ++beg) {
 829                 if (beg.getPar() == cursor.par()) {
 830                         cursor_par_seen = true;
 831                 }
 832                 if (cursor_par_seen) {
 833                         if (beg.getPar() == cursor.par()
 834                             && beg.getPos() >= cursor.pos()) {
 835                                 break;
 836                         } else if (beg.getPar() != cursor.par()) {
 837                                 break;
 838                         }
 839                 }
 840
 841         }
 842         if (beg != end) {
 843                 // Now find the first inset that matches code.
 844                 for (; beg != end; ++beg) {
 845                         if (beg->lyxCode() == code) {
 846                                 return &(*beg);
 847                         }
 848                 }
 849         }
 850         return 0;
 851 #endif
 852 }
 853
 854
 855 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
 856 {
 857         string filename = filen;
 858
 859         if (filename.empty()) {
 860                 // Launch a file browser
 861                 string initpath = lyxrc.document_path;
 862
 863                 if (available()) {
 864                         string const trypath = owner_->buffer()->filePath();
 865                         // If directory is writeable, use this as default.
 866                         if (IsDirWriteable(trypath))
 867                                 initpath = trypath;
 868                 }
 869
 870                 FileDialog fileDlg(_("Select LyX document to insert"),
 871                         LFUN_FILE_INSERT,
 872                         make_pair(string(_("Documents|#o#O")),
 873                                   string(lyxrc.document_path)),
 874                         make_pair(string(_("Examples|#E#e")),
 875                                   string(AddPath(system_lyxdir, "examples"))));
 876
 877                 FileDialog::Result result =
 878                         fileDlg.open(initpath,
 879                                        _("*.lyx| LyX Documents (*.lyx)"));
 880
 881                 if (result.first == FileDialog::Later)
 882                         return;
 883
 884                 filename = result.second;
 885
 886                 // check selected filename
 887                 if (filename.empty()) {
 888                         owner_->message(_("Canceled."));
 889                         return;
 890                 }
 891         }
 892
 893         // get absolute path of file and add ".lyx" to the filename if
 894         // necessary
 895         filename = FileSearch(string(), filename, "lyx");
 896
 897         string const disp_fn(MakeDisplayPath(filename));
 898
 899         ostringstream s1;
 900 #if USE_BOOST_FORMAT
 901         s1 << boost::format(_("Inserting document %1$s...")) % disp_fn;
 902 #else
 903         s1 << _("Inserting document ") << disp_fn << _("...");
 904 #endif
 905         owner_->message(STRCONV(s1.str()));
 906         bool const res = bv_->insertLyXFile(filename);
 907         if (res) {
 908                 ostringstream str;
 909 #if USE_BOOST_FORMAT
 910                 str << boost::format(_("Document %1$s inserted.")) % disp_fn;
 911 #else
 912                 str << _("Document ") << disp_fn << _(" inserted.");
 913 #endif
 914                 owner_->message(STRCONV(str.str()));
 915         } else {
 916                 ostringstream str;
 917 #if USE_BOOST_FORMAT
 918                 str << boost::format(_("Could not insert document %1$s")) % disp_fn;
 919 #else
 920                 str << _("Could not insert document ") << disp_fn;
 921 #endif
 922                 owner_->message(STRCONV(str.str()));
 923         }
 924 }
 925
 926
 927 void BufferView::Pimpl::trackChanges()
 928 {
 929         Buffer * buf(bv_->buffer());
 930         bool const tracking(buf->params.tracking_changes);
 931
 932         if (!tracking) {
 933                 ParIterator const end = buf->par_iterator_end();
 934                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it) {
 935                         (*it)->trackChanges();
 936                 }
 937                 buf->params.tracking_changes = true;
 938
 939                 // we cannot allow undos beyond the freeze point
 940                 buf->undostack.clear();
 941         } else {
 942                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 943                 bv_->text->setCursor(bv_, &(*buf->paragraphs.begin()), 0);
 944 #warning changes FIXME
 945                 //moveCursorUpdate(false);
 946
 947                 bool found = lyxfind::findNextChange(bv_);
 948                 if (found) {
 949                         owner_->getDialogs().showMergeChanges();
 950                         return;
 951                 }
 952
 953                 ParIterator const end = buf->par_iterator_end();
 954                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it) {
 955                         (*it)->untrackChanges();
 956                 }
 957                 buf->params.tracking_changes = false;
 958         }
 959
 960         buf->redostack.clear();
 961 }
 962
 963
 964 bool BufferView::Pimpl::dispatch(FuncRequest const & ev_in)
 965 {
 966         // Make sure that the cached BufferView is correct.
 967         FuncRequest ev = ev_in;
 968         ev.setView(bv_);
 969
 970         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch:"
 971                 << " action[" << ev.action << ']'
 972                 << " arg[" << ev.argument << ']'
 973                 << " x[" << ev.x << ']'
 974                 << " y[" << ev.y << ']'
 975                 << " button[" << ev.button() << ']'
 976                 << endl;
 977
 978         // e.g. Qt mouse press when no buffer
 979         if (!buffer_)
 980                 return false;
 981
 982         LyXTextClass const & tclass = buffer_->params.getLyXTextClass();
 983
 984         switch (ev.action) {
 985
 986         case LFUN_SCROLL_INSET:
 987                 // this is not handled here as this function is only active
 988                 // if we have a locking_inset and that one is (or contains)
 989                 // a tabular-inset
 990                 break;
 991
 992         case LFUN_INSET_GRAPHICS:
 993         {
 994                 Inset * new_inset = new InsetGraphics;
 995                 if (!insertInset(new_inset)) {
 996                         delete new_inset;
 997                 } else {
 998                         // this is need because you don't use a inset->Edit()
 999                         updateInset(new_inset, true);
1000                         new_inset->edit(bv_);
1001                 }
1002                 break;
1003         }
1004
1005         case LFUN_LAYOUT_COPY:
1006                 bv_->copyEnvironment();
1007                 break;
1008
1009         case LFUN_LAYOUT_PASTE:
1010                 bv_->pasteEnvironment();
1011                 switchKeyMap();
1012                 break;
1013
1014         case LFUN_DEPTH_MIN:
1015                 changeDepth(bv_, bv_->getLyXText(), -1);
1016                 break;
1017
1018         case LFUN_DEPTH_PLUS:
1019                 changeDepth(bv_, bv_->getLyXText(), 1);
1020                 break;
1021
1022         case LFUN_FREE:
1023                 owner_->getDialogs().setUserFreeFont();
1024                 break;
1025
1026         case LFUN_FILE_INSERT:
1027                 MenuInsertLyXFile(ev.argument);
1028                 break;
1029
1030         case LFUN_FILE_INSERT_ASCII_PARA:
1031                 InsertAsciiFile(bv_, ev.argument, true);
1032                 break;
1033
1034         case LFUN_FILE_INSERT_ASCII:
1035                 InsertAsciiFile(bv_, ev.argument, false);
1036                 break;
1037
1038         case LFUN_LANGUAGE:
1039                 lang(bv_, ev.argument);
1040                 switchKeyMap();
1041                 owner_->view_state_changed();
1042                 break;
1043
1044         case LFUN_EMPH:
1045                 emph(bv_);
1046                 owner_->view_state_changed();
1047                 break;
1048
1049         case LFUN_BOLD:
1050                 bold(bv_);
1051                 owner_->view_state_changed();
1052                 break;
1053
1054         case LFUN_NOUN:
1055                 noun(bv_);
1056                 owner_->view_state_changed();
1057                 break;
1058
1059         case LFUN_CODE:
1060                 code(bv_);
1061                 owner_->view_state_changed();
1062                 break;
1063
1064         case LFUN_SANS:
1065                 sans(bv_);
1066                 owner_->view_state_changed();
1067                 break;
1068
1069         case LFUN_ROMAN:
1070                 roman(bv_);
1071                 owner_->view_state_changed();
1072                 break;
1073
1074         case LFUN_DEFAULT:
1075                 styleReset(bv_);
1076                 owner_->view_state_changed();
1077                 break;
1078
1079         case LFUN_UNDERLINE:
1080                 underline(bv_);
1081                 owner_->view_state_changed();
1082                 break;
1083
1084         case LFUN_FONT_SIZE:
1085                 fontSize(bv_, ev.argument);
1086                 owner_->view_state_changed();
1087                 break;
1088
1089         case LFUN_FONT_STATE:
1090                 owner_->getLyXFunc().setMessage(currentState(bv_));
1091                 break;
1092
1093         case LFUN_INSERT_LABEL: {
1094                 // Try and generate a valid label
1095                 string const contents = ev.argument.empty() ?
1096                         getPossibleLabel(*bv_) : ev.argument;
1097                 InsetCommandParams icp("label", contents);
1098                 string data = InsetCommandMailer::params2string("label", icp);
1099                 owner_->getDialogs().show("label", data, 0);
1100         }
1101         break;
1102
1103         case LFUN_BOOKMARK_SAVE:
1104                 savePosition(strToUnsignedInt(ev.argument));
1105                 break;
1106
1107         case LFUN_BOOKMARK_GOTO:
1108                 restorePosition(strToUnsignedInt(ev.argument));
1109                 break;
1110
1111         case LFUN_REF_GOTO:
1112         {
1113                 string label = ev.argument;
1114                 if (label.empty()) {
1115                         InsetRef * inset =
1116                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1117                         if (inset) {
1118                                 label = inset->getContents();
1119                                 savePosition(0);
1120                         }
1121                 }
1122
1123                 if (!label.empty()) {
1124                         //bv_->savePosition(0);
1125                         if (!bv_->gotoLabel(label))
1126                                 Alert::alert(_("Error"),
1127                                            _("Couldn't find this label"),
1128                                            _("in current document."));
1129                 }
1130         }
1131         break;
1132
1133         // --- accented characters ---------------------------
1134
1135         case LFUN_UMLAUT:
1136         case LFUN_CIRCUMFLEX:
1137         case LFUN_GRAVE:
1138         case LFUN_ACUTE:
1139         case LFUN_TILDE:
1140         case LFUN_CEDILLA:
1141         case LFUN_MACRON:
1142         case LFUN_DOT:
1143         case LFUN_UNDERDOT:
1144         case LFUN_UNDERBAR:
1145         case LFUN_CARON:
1146         case LFUN_SPECIAL_CARON:
1147         case LFUN_BREVE:
1148         case LFUN_TIE:
1149         case LFUN_HUNG_UMLAUT:
1150         case LFUN_CIRCLE:
1151         case LFUN_OGONEK:
1152                 if (ev.argument.empty()) {
1153                         // As always...
1154                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1155                 } else {
1156                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1157                         owner_->getIntl().getTransManager()
1158                                 .TranslateAndInsert(ev.argument[0], bv_->getLyXText());
1159                         update(bv_->getLyXText(),
1160                                BufferView::SELECT
1161                                | BufferView::FITCUR
1162                                | BufferView::CHANGE);
1163                 }
1164                 break;
1165
1166         case LFUN_MATH_MACRO:
1167         case LFUN_MATH_DELIM:
1168         case LFUN_INSERT_MATRIX:
1169         case LFUN_INSERT_MATH:
1170         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
1171         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
1172         case LFUN_MATH_MODE:             // Open or create an inlined math inset
1173         case LFUN_GREEK:                 // Insert a single greek letter
1174                 mathDispatch(ev);
1175                 break;
1176
1177         case LFUN_INSET_APPLY: {
1178                 string const name = ev.getArg(0);
1179
1180                 InsetBase * base = owner_->getDialogs().getOpenInset(name);
1181                 Inset * inset = 0;
1182                 if (base) {
1183                         // This works both for 'original' and 'mathed' insets.
1184                         // Note that the localDispatch performs updateInset
1185                         // also.
1186                         base->localDispatch(ev);
1187                 } else {
1188                         inset = createInset(ev);
1189                         if (inset && insertInset(inset)) {
1190                                 updateInset(inset, true);
1191                         } else {
1192                                 delete inset;
1193                         }
1194                 }
1195
1196                 if (name == "bibitem") {
1197                         // We need to do a redraw because the maximum
1198                         // InsetBibitem width could have changed
1199 #warning please check you mean repaint() not update(),
1200 #warning and whether the repaint() is needed at all
1201                         bv_->repaint();
1202                         bv_->fitCursor();
1203                 }
1204         }
1205         break;
1206
1207         case LFUN_CHILD_INSERT:
1208         {
1209                 InsetInclude::Params p;
1210                 if (!ev.argument.empty())
1211                         p.cparams.setFromString(ev.argument);
1212                 p.masterFilename_ = buffer_->fileName();
1213
1214                 InsetInclude * inset = new InsetInclude(p);
1215                 if (!insertInset(inset))
1216                         delete inset;
1217                 else {
1218                         updateInset(inset, true);
1219                         bv_->owner()->getDialogs().showInclude(inset);
1220                 }
1221         }
1222         break;
1223
1224         case LFUN_FLOAT_LIST:
1225                 if (tclass.floats().typeExist(ev.argument)) {
1226                         Inset * inset = new InsetFloatList(ev.argument);
1227                         if (!insertInset(inset, tclass.defaultLayoutName()))
1228                                 delete inset;
1229                 } else {
1230                         lyxerr << "Non-existent float type: "
1231                                << ev.argument << endl;
1232                 }
1233                 break;
1234
1235         case LFUN_THESAURUS_ENTRY:
1236         {
1237                 string arg = ev.argument;
1238
1239                 if (arg.empty()) {
1240                         arg = bv_->getLyXText()->selectionAsString(buffer_,
1241                                                                    false);
1242
1243                         // FIXME
1244                         if (arg.size() > 100 || arg.empty()) {
1245                                 // Get word or selection
1246                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
1247                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
1248                                 // FIXME: where is getLyXText()->unselect(bv_) ?
1249                         }
1250                 }
1251
1252                 bv_->owner()->getDialogs().showThesaurus(arg);
1253         }
1254                 break;
1255
1256         case LFUN_TRACK_CHANGES:
1257                 trackChanges();
1258                 break;
1259
1260         case LFUN_MERGE_CHANGES:
1261                 owner_->getDialogs().showMergeChanges();
1262                 break;
1263
1264         case LFUN_ACCEPT_ALL_CHANGES: {
1265                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1266                 bv_->text->setCursor(bv_, &(*bv_->buffer()->paragraphs.begin()), 0);
1267 #warning FIXME changes
1268                 //moveCursorUpdate(false);
1269
1270                 while (lyxfind::findNextChange(bv_)) {
1271                         bv_->getLyXText()->acceptChange(bv_);
1272                 }
1273                 update(bv_->text,
1274                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1275                 break;
1276         }
1277
1278         case LFUN_REJECT_ALL_CHANGES: {
1279                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1280                 bv_->text->setCursor(bv_, &(*bv_->buffer()->paragraphs.begin()), 0);
1281 #warning FIXME changes
1282                 //moveCursorUpdate(false);
1283
1284                 while (lyxfind::findNextChange(bv_)) {
1285                         bv_->getLyXText()->rejectChange(bv_);
1286                 }
1287                 update(bv_->text,
1288                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1289                 break;
1290         }
1291
1292         case LFUN_ACCEPT_CHANGE: {
1293                 bv_->getLyXText()->acceptChange(bv_);
1294                 update(bv_->text,
1295                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1296                 break;
1297         }
1298
1299         case LFUN_REJECT_CHANGE: {
1300                 bv_->getLyXText()->rejectChange(bv_);
1301                 update(bv_->text,
1302                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1303                 break;
1304         }
1305
1306         case LFUN_UNKNOWN_ACTION:
1307                 ev.errorMessage(N_("Unknown function!"));
1308                 break;
1309
1310         default:
1311                 return bv_->getLyXText()->dispatch(FuncRequest(ev, bv_));
1312         } // end of switch
1313
1314         return true;
1315 }
1316
1317
1318 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
1319 {
1320         // if we are in a locking inset we should try to insert the
1321         // inset there otherwise this is a illegal function now
1322         if (bv_->theLockingInset()) {
1323                 if (bv_->theLockingInset()->insetAllowed(inset))
1324                         return bv_->theLockingInset()->insertInset(bv_, inset);
1325                 return false;
1326         }
1327
1328         // not quite sure if we want this...
1329         setCursorParUndo(bv_);
1330         freezeUndo();
1331
1332         beforeChange(bv_->text);
1333         if (!lout.empty()) {
1334                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1335                 bv_->text->breakParagraph(bv_);
1336                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1337
1338                 if (!bv_->text->cursor.par()->empty()) {
1339                         bv_->text->cursorLeft(bv_);
1340
1341                         bv_->text->breakParagraph(bv_);
1342                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1343                 }
1344
1345                 string lres = lout;
1346                 LyXTextClass const & tclass =
1347                         buffer_->params.getLyXTextClass();
1348                 bool hasLayout = tclass.hasLayout(lres);
1349                 string lay = tclass.defaultLayoutName();
1350
1351                 if (hasLayout != false) {
1352                         // layout found
1353                         lay = lres;
1354                 } else {
1355                         // layout not fount using default
1356                         lay = tclass.defaultLayoutName();
1357                 }
1358
1359                 bv_->text->setLayout(bv_, lay);
1360
1361                 bv_->text->setParagraph(bv_, 0, 0,
1362                                    0, 0,
1363                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
1364                                    Spacing(),
1365                                    LYX_ALIGN_LAYOUT,
1366                                    string(),
1367                                    0);
1368                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1369         }
1370
1371         bv_->text->insertInset(bv_, inset);
1372         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1373
1374         unFreezeUndo();
1375         return true;
1376 }
1377
1378
1379 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
1380 {
1381         if (!inset || !available())
1382                 return;
1383
1384         // first check for locking insets
1385         if (bv_->theLockingInset()) {
1386                 if (bv_->theLockingInset() == inset) {
1387                         if (bv_->text->updateInset(bv_, inset)) {
1388                                 update();
1389                                 if (mark_dirty) {
1390                                         buffer_->markDirty();
1391                                 }
1392                                 updateScrollbar();
1393                                 return;
1394                         }
1395                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
1396                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
1397                                 update();
1398                                 if (mark_dirty) {
1399                                         buffer_->markDirty();
1400                                 }
1401                                 updateScrollbar();
1402                                 return;
1403                         }
1404                 }
1405         }
1406
1407         // then check if the inset is a top_level inset (has no owner)
1408         // if yes do the update as always otherwise we have to update the
1409         // toplevel inset where this inset is inside
1410         Inset * tl_inset = inset;
1411         while (tl_inset->owner())
1412                 tl_inset = tl_inset->owner();
1413         hideCursor();
1414         if (tl_inset == inset) {
1415                 update(bv_->text, BufferView::UPDATE);
1416                 if (bv_->text->updateInset(bv_, inset)) {
1417                         if (mark_dirty) {
1418                                 update(bv_->text,
1419                                        BufferView::SELECT
1420                                        | BufferView::FITCUR
1421                                        | BufferView::CHANGE);
1422                         } else {
1423                                 update(bv_->text, SELECT);
1424                         }
1425                         return;
1426                 }
1427         } else if (static_cast<UpdatableInset *>(tl_inset)
1428                            ->updateInsetInInset(bv_, inset))
1429         {
1430                 if (bv_->text->updateInset(bv_, tl_inset)) {
1431                         update();
1432                         updateScrollbar();
1433                 }
1434         }
1435 }