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 #ifdef __GNUG__
  12 #pragma implementation
  13 #endif
  14
  15 #include "BufferView_pimpl.h"
  16 #include "frontends/WorkArea.h"
  17 #include "frontends/screen.h"
  18 #include "frontends/LyXScreenFactory.h"
  19 #include "frontends/WorkAreaFactory.h"
  20 #include "frontends/Dialogs.h"
  21 #include "frontends/Alert.h"
  22 #include "frontends/FileDialog.h"
  23 #include "frontends/mouse_state.h"
  24 #include "lyxtext.h"
  25 #include "lyxrow.h"
  26 #include "paragraph.h"
  27 #include "frontends/LyXView.h"
  28 #include "commandtags.h"
  29 #include "lyxfunc.h"
  30 #include "debug.h"
  31 #include "bufferview_funcs.h"
  32 #include "TextCache.h"
  33 #include "bufferlist.h"
  34 #include "lyxrc.h"
  35 #include "intl.h"
  36 // added for Dispatch functions
  37 #include "lyx_cb.h"
  38 #include "lyx_main.h"
  39 #include "FloatList.h"
  40 #include "gettext.h"
  41 #include "ParagraphParameters.h"
  42 #include "undo_funcs.h"
  43 #include "funcrequest.h"
  44
  45 #include "insets/insetbib.h"
  46 #include "insets/insettext.h"
  47 #include "insets/inseturl.h"
  48 #include "insets/insetlatexaccent.h"
  49 #include "insets/insettoc.h"
  50 #include "insets/insetref.h"
  51 #include "insets/insetparent.h"
  52 #include "insets/insetindex.h"
  53 #include "insets/insetinclude.h"
  54 #include "insets/insetcite.h"
  55 #include "insets/insetgraphics.h"
  56 #include "insets/insetmarginal.h"
  57 #include "insets/insetcaption.h"
  58 #include "insets/insetfloatlist.h"
  59
  60 #include "mathed/formulabase.h"
  61
  62 #include "graphics/Previews.h"
  63
  64 #include "support/LAssert.h"
  65 #include "support/lstrings.h"
  66 #include "support/filetools.h"
  67
  68 #include <boost/bind.hpp>
  69 #include <boost/signals/connection.hpp>
  70
  71 #include <unistd.h>
  72 #include <sys/wait.h>
  73
  74
  75 using std::vector;
  76 using std::find_if;
  77 using std::find;
  78 using std::pair;
  79 using std::endl;
  80 using std::make_pair;
  81 using std::min;
  82
  83 using lyx::pos_type;
  84
  85 extern BufferList bufferlist;
  86
  87
  88 namespace {
  89
  90 unsigned int const saved_positions_num = 20;
  91
  92 // All the below connection objects are needed because of a bug in some
  93 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
  94 // to these connections we avoid a segfault upon startup, and also at exit.
  95 // (Lgb)
  96
  97 boost::signals::connection dispatchcon;
  98 boost::signals::connection timecon;
  99 boost::signals::connection doccon;
 100 boost::signals::connection resizecon;
 101 boost::signals::connection kpresscon;
 102 boost::signals::connection selectioncon;
 103 boost::signals::connection lostcon;
 104
 105
 106 } // anon namespace
 107
 108
 109 BufferView::Pimpl::Pimpl(BufferView * bv, LyXView * owner,
 110              int xpos, int ypos, int width, int height)
 111         : bv_(bv), owner_(owner), buffer_(0), cursor_timeout(400),
 112           using_xterm_cursor(false)
 113 {
 114         workarea_.reset(WorkAreaFactory::create(xpos, ypos, width, height));
 115         screen_.reset(LyXScreenFactory::create(workarea()));
 116
 117         // Setup the signals
 118         doccon = workarea().scrollDocView
 119                 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
 120         resizecon = workarea().workAreaResize
 121                 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
 122         dispatchcon = workarea().dispatch
 123                 .connect(boost::bind(&BufferView::Pimpl::dispatch, this, _1));
 124         kpresscon = workarea().workAreaKeyPress
 125                 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
 126         selectioncon = workarea().selectionRequested
 127                 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
 128         lostcon = workarea().selectionLost
 129                 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
 130
 131         timecon = cursor_timeout.timeout
 132                 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
 133         cursor_timeout.start();
 134         saved_positions.resize(saved_positions_num);
 135 }
 136
 137
 138 WorkArea & BufferView::Pimpl::workarea() const
 139 {
 140         return *workarea_.get();
 141 }
 142
 143
 144 LyXScreen & BufferView::Pimpl::screen() const
 145 {
 146         return *screen_.get();
 147 }
 148
 149
 150 Painter & BufferView::Pimpl::painter() const
 151 {
 152         return workarea().getPainter();
 153 }
 154
 155
 156 void BufferView::Pimpl::buffer(Buffer * b)
 157 {
 158         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
 159                             << b << ")" << endl;
 160         if (buffer_) {
 161                 buffer_->delUser(bv_);
 162
 163                 // Put the old text into the TextCache, but
 164                 // only if the buffer is still loaded.
 165                 // Also set the owner of the test to 0
 166                 //              bv_->text->owner(0);
 167                 textcache.add(buffer_, workarea().workWidth(), bv_->text);
 168                 if (lyxerr.debugging())
 169                         textcache.show(lyxerr, "BufferView::buffer");
 170
 171                 bv_->text = 0;
 172         }
 173
 174         // set current buffer
 175         buffer_ = b;
 176
 177         if (bufferlist.getState() == BufferList::CLOSING) return;
 178
 179         // if we are closing the buffer, use the first buffer as current
 180         if (!buffer_) {
 181                 buffer_ = bufferlist.first();
 182         }
 183
 184         if (buffer_) {
 185                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 186                 buffer_->addUser(bv_);
 187
 188                 // If we don't have a text object for this, we make one
 189                 if (bv_->text == 0) {
 190                         resizeCurrentBuffer();
 191                 }
 192
 193                 // FIXME: needed when ?
 194                 bv_->text->first_y =
 195                         screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 196
 197                 // Similarly, buffer-dependent dialogs should be updated or
 198                 // hidden. This should go here because some dialogs (eg ToC)
 199                 // require bv_->text.
 200                 owner_->getDialogs().updateBufferDependent(true);
 201         } else {
 202                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 203                 owner_->getDialogs().hideBufferDependent();
 204
 205                 // Also remove all remaining text's from the testcache.
 206                 // (there should not be any!) (if there is any it is a
 207                 // bug!)
 208                 if (lyxerr.debugging())
 209                         textcache.show(lyxerr, "buffer delete all");
 210                 textcache.clear();
 211         }
 212
 213         repaint();
 214         updateScrollbar();
 215         owner_->updateMenubar();
 216         owner_->updateToolbar();
 217         owner_->updateLayoutChoice();
 218         owner_->updateWindowTitle();
 219
 220         if (grfx::Previews::activated() && buffer_)
 221                 grfx::Previews::get().generateBufferPreviews(*buffer_);
 222 }
 223
 224
 225 bool BufferView::Pimpl::fitCursor()
 226 {
 227         bool ret;
 228
 229         if (bv_->theLockingInset()) {
 230                 bv_->theLockingInset()->fitInsetCursor(bv_);
 231                 ret = true;
 232         } else {
 233                 ret = screen().fitCursor(bv_->text, bv_);
 234         }
 235
 236         bv_->owner()->getDialogs().updateParagraph();
 237         if (ret)
 238                 updateScrollbar();
 239         return ret;
 240 }
 241
 242
 243 void BufferView::Pimpl::redoCurrentBuffer()
 244 {
 245         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 246         if (buffer_ && bv_->text) {
 247                 resizeCurrentBuffer();
 248                 updateScrollbar();
 249                 owner_->updateLayoutChoice();
 250                 repaint();
 251         }
 252 }
 253
 254
 255 int BufferView::Pimpl::resizeCurrentBuffer()
 256 {
 257         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 258
 259         Paragraph * par = 0;
 260         Paragraph * selstartpar = 0;
 261         Paragraph * selendpar = 0;
 262         UpdatableInset * the_locking_inset = 0;
 263
 264         pos_type pos = 0;
 265         pos_type selstartpos = 0;
 266         pos_type selendpos = 0;
 267         bool selection = false;
 268         bool mark_set  = false;
 269
 270         owner_->prohibitInput();
 271
 272         owner_->message(_("Formatting document..."));
 273
 274         if (bv_->text) {
 275                 par = bv_->text->cursor.par();
 276                 pos = bv_->text->cursor.pos();
 277                 selstartpar = bv_->text->selection.start.par();
 278                 selstartpos = bv_->text->selection.start.pos();
 279                 selendpar = bv_->text->selection.end.par();
 280                 selendpos = bv_->text->selection.end.pos();
 281                 selection = bv_->text->selection.set();
 282                 mark_set = bv_->text->selection.mark();
 283                 the_locking_inset = bv_->theLockingInset();
 284                 buffer_->resizeInsets(bv_);
 285                 // I don't think the delete and new are necessary here we just could
 286                 // call only init! (Jug 20020419)
 287                 delete bv_->text;
 288                 bv_->text = new LyXText(bv_);
 289                 bv_->text->init(bv_);
 290         } else {
 291                 // See if we have a text in TextCache that fits
 292                 // the new buffer_ with the correct width.
 293                 bv_->text = textcache.findFit(buffer_, workarea().workWidth());
 294                 if (bv_->text) {
 295                         if (lyxerr.debugging()) {
 296                                 lyxerr << "Found a LyXText that fits:\n";
 297                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea().workWidth(), bv_->text)));
 298                         }
 299                         // Set the owner of the newly found text
 300                         //      bv_->text->owner(bv_);
 301                         if (lyxerr.debugging())
 302                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 303                 } else {
 304                         bv_->text = new LyXText(bv_);
 305                         bv_->text->init(bv_);
 306                         //buffer_->resizeInsets(bv_);
 307                 }
 308         }
 309
 310         if (par) {
 311                 bv_->text->selection.set(true);
 312                 // At this point just to avoid the Delete-Empty-Paragraph-
 313                 // Mechanism when setting the cursor.
 314                 bv_->text->selection.mark(mark_set);
 315                 if (selection) {
 316                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
 317                         bv_->text->selection.cursor = bv_->text->cursor;
 318                         bv_->text->setCursor(bv_, selendpar, selendpos);
 319                         bv_->text->setSelection(bv_);
 320                         bv_->text->setCursor(bv_, par, pos);
 321                 } else {
 322                         bv_->text->setCursor(bv_, par, pos);
 323                         bv_->text->selection.cursor = bv_->text->cursor;
 324                         bv_->text->selection.set(false);
 325                 }
 326                 // remake the inset locking
 327                 bv_->theLockingInset(the_locking_inset);
 328         }
 329
 330         bv_->text->first_y = screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 331
 332         switchKeyMap();
 333         owner_->allowInput();
 334
 335         updateScrollbar();
 336
 337         return 0;
 338 }
 339
 340
 341 void BufferView::Pimpl::repaint()
 342 {
 343         // Regenerate the screen.
 344         screen().redraw(bv_->text, bv_);
 345 }
 346
 347
 348 void BufferView::Pimpl::updateScrollbar()
 349 {
 350         if (!bv_->text) {
 351                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
 352                 workarea().setScrollbarParams(0, 0, 0);
 353                 return;
 354         }
 355
 356         LyXText const & t = *bv_->text;
 357
 358         lyxerr[Debug::GUI] << "Updating scrollbar: h " << t.height << ", first_y "
 359                 << t.first_y << ", default height " << t.defaultHeight() << endl;
 360
 361         workarea().setScrollbarParams(t.height, t.first_y, t.defaultHeight());
 362 }
 363
 364
 365 void BufferView::Pimpl::scrollDocView(int value)
 366 {
 367         lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
 368
 369         if (!buffer_) return;
 370
 371         screen().draw(bv_->text, bv_, value);
 372
 373         if (!lyxrc.cursor_follows_scrollbar) {
 374                 return;
 375         }
 376
 377         LyXText * vbt = bv_->text;
 378
 379         int const height = vbt->defaultHeight();
 380         int const first = static_cast<int>((bv_->text->first_y + height));
 381         int const last = static_cast<int>((bv_->text->first_y + workarea().workHeight() - height));
 382
 383         if (vbt->cursor.y() < first)
 384                 vbt->setCursorFromCoordinates(bv_, 0, first);
 385         else if (vbt->cursor.y() > last)
 386                 vbt->setCursorFromCoordinates(bv_, 0, last);
 387 }
 388
 389
 390 int BufferView::Pimpl::scroll(long time)
 391 {
 392         if (!buffer_)
 393                 return 0;
 394
 395         LyXText const * t = bv_->text;
 396
 397         double const diff = t->defaultHeight()
 398                 + double(time) * double(time) * 0.125;
 399
 400         scrollDocView(int(diff));
 401         workarea().setScrollbarParams(t->height, t->first_y, t->defaultHeight());
 402         return 0;
 403 }
 404
 405
 406 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 407                                          key_modifier::state state)
 408 {
 409         bv_->owner()->getLyXFunc().processKeySym(key, state);
 410 }
 411
 412
 413 void BufferView::Pimpl::selectionRequested()
 414 {
 415         static string sel;
 416
 417         if (!available())
 418                 return;
 419
 420         LyXText * text = bv_->getLyXText();
 421
 422         if (text->selection.set() &&
 423                 (!bv_->text->xsel_cache.set() ||
 424                  text->selection.start != bv_->text->xsel_cache.start ||
 425                  text->selection.end != bv_->text->xsel_cache.end))
 426         {
 427                 bv_->text->xsel_cache = text->selection;
 428                 sel = text->selectionAsString(bv_->buffer(), false);
 429         } else if (!text->selection.set()) {
 430                 sel = string();
 431                 bv_->text->xsel_cache.set(false);
 432         }
 433         if (!sel.empty()) {
 434                 workarea().putClipboard(sel);
 435         }
 436 }
 437
 438
 439 void BufferView::Pimpl::selectionLost()
 440 {
 441         if (available()) {
 442                 hideCursor();
 443                 toggleSelection();
 444                 bv_->getLyXText()->clearSelection();
 445                 showCursor();
 446                 bv_->text->xsel_cache.set(false);
 447         }
 448 }
 449
 450
 451 void BufferView::Pimpl::workAreaResize()
 452 {
 453         static int work_area_width;
 454         static int work_area_height;
 455
 456         bool const widthChange = workarea().workWidth() != work_area_width;
 457         bool const heightChange = workarea().workHeight() != work_area_height;
 458
 459         // update from work area
 460         work_area_width = workarea().workWidth();
 461         work_area_height = workarea().workHeight();
 462
 463         if (buffer_ != 0) {
 464                 if (widthChange) {
 465                         // The visible LyXView need a resize
 466                         resizeCurrentBuffer();
 467
 468                         // Remove all texts from the textcache
 469                         // This is not _really_ what we want to do. What
 470                         // we really want to do is to delete in textcache
 471                         // that does not have a BufferView with matching
 472                         // width, but as long as we have only one BufferView
 473                         // deleting all gives the same result.
 474                         if (lyxerr.debugging())
 475                                 textcache.show(lyxerr, "Expose delete all");
 476                         textcache.clear();
 477                         // FIXME: this is already done in resizeCurrentBuffer() ??
 478                         buffer_->resizeInsets(bv_);
 479                 } else if (heightChange) {
 480                         // fitCursor() ensures we don't jump back
 481                         // to the start of the document on vertical
 482                         // resize
 483                         fitCursor();
 484                 }
 485         }
 486
 487         if (widthChange || heightChange) {
 488                 repaint();
 489         }
 490
 491         // always make sure that the scrollbar is sane.
 492         updateScrollbar();
 493         owner_->updateLayoutChoice();
 494         return;
 495 }
 496
 497
 498 void BufferView::Pimpl::update()
 499 {
 500         if (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()) {
 501                 LyXText::text_status st = bv_->text->status();
 502                 screen().update(bv_->text, bv_);
 503                 bool fitc = false;
 504                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
 505                         bv_->text->fullRebreak(bv_);
 506                         st = LyXText::NEED_MORE_REFRESH;
 507                         bv_->text->setCursor(bv_, bv_->text->cursor.par(),
 508                                              bv_->text->cursor.pos());
 509                         if (bv_->text->selection.set()) {
 510                                 bv_->text->setCursor(bv_, bv_->text->selection.start,
 511                                                      bv_->text->selection.start.par(),
 512                                                      bv_->text->selection.start.pos());
 513                                 bv_->text->setCursor(bv_, bv_->text->selection.end,
 514                                                      bv_->text->selection.end.par(),
 515                                                      bv_->text->selection.end.pos());
 516                         }
 517                         fitc = true;
 518                         bv_->text->status(bv_, st);
 519                         screen().update(bv_->text, bv_);
 520                 }
 521                 // do this here instead of in the screen::update because of
 522                 // the above loop!
 523                 bv_->text->status(bv_, LyXText::UNCHANGED);
 524                 if (fitc)
 525                         fitCursor();
 526         }
 527 }
 528
 529 // Values used when calling update:
 530 // -3 - update
 531 // -2 - update, move sel_cursor if selection, fitcursor
 532 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
 533 //  0 - update, move sel_cursor if selection, fitcursor
 534 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
 535 //  3 - update, move sel_cursor if selection
 536 //
 537 // update -
 538 // a simple redraw of the parts that need refresh
 539 //
 540 // move sel_cursor if selection -
 541 // the text's sel_cursor is moved if there is selection is progress
 542 //
 543 // fitcursor -
 544 // fitCursor() is called and the scrollbar updated
 545 //
 546 // mark dirty -
 547 // the buffer is marked dirty.
 548 //
 549 // enum {
 550 //       UPDATE = 0,
 551 //       SELECT = 1,
 552 //       FITCUR = 2,
 553 //       CHANGE = 4
 554 // };
 555 //
 556 // UPDATE_ONLY = UPDATE;
 557 // UPDATE_SELECT = UPDATE | SELECT;
 558 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
 559 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
 560 //
 561 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
 562 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
 563 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 564 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 565 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
 566
 567 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
 568 {
 569         owner_->updateLayoutChoice();
 570
 571         if (!text->selection.set() && (f & SELECT)) {
 572                 text->selection.cursor = text->cursor;
 573         }
 574
 575         text->fullRebreak(bv_);
 576
 577         if (text->inset_owner) {
 578                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
 579                 updateInset(text->inset_owner, false);
 580         } else {
 581                 update();
 582         }
 583
 584         if ((f & FITCUR)) {
 585                 fitCursor();
 586         }
 587
 588         if ((f & CHANGE)) {
 589                 buffer_->markDirty();
 590         }
 591 }
 592
 593
 594 // Callback for cursor timer
 595 void BufferView::Pimpl::cursorToggle()
 596 {
 597         if (!buffer_) {
 598                 cursor_timeout.restart();
 599                 return;
 600         }
 601
 602         /* FIXME */
 603         extern void reapSpellchecker(void);
 604         reapSpellchecker();
 605
 606         if (!bv_->theLockingInset()) {
 607                 screen().cursorToggle(bv_);
 608         } else {
 609                 bv_->theLockingInset()->toggleInsetCursor(bv_);
 610         }
 611
 612         cursor_timeout.restart();
 613 }
 614
 615
 616 bool BufferView::Pimpl::available() const
 617 {
 618         if (buffer_ && bv_->text)
 619                 return true;
 620         return false;
 621 }
 622
 623
 624 void BufferView::Pimpl::beforeChange(LyXText * text)
 625 {
 626         toggleSelection();
 627         text->clearSelection();
 628 }
 629
 630
 631 void BufferView::Pimpl::savePosition(unsigned int i)
 632 {
 633         if (i >= saved_positions_num)
 634                 return;
 635         saved_positions[i] = Position(buffer_->fileName(),
 636                                       bv_->text->cursor.par()->id(),
 637                                       bv_->text->cursor.pos());
 638         if (i > 0) {
 639                 ostringstream str;
 640                 str << _("Saved bookmark") << ' ' << i;
 641                 owner_->message(str.str().c_str());
 642         }
 643 }
 644
 645
 646 void BufferView::Pimpl::restorePosition(unsigned int i)
 647 {
 648         if (i >= saved_positions_num)
 649                 return;
 650
 651         string const fname = saved_positions[i].filename;
 652
 653         beforeChange(bv_->text);
 654
 655         if (fname != buffer_->fileName()) {
 656                 Buffer * b = bufferlist.exists(fname) ?
 657                         bufferlist.getBuffer(fname) :
 658                         bufferlist.loadLyXFile(fname); // don't ask, just load it
 659                 if (b != 0) buffer(b);
 660         }
 661
 662         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
 663         if (!par)
 664                 return;
 665
 666         bv_->text->setCursor(bv_, par,
 667                              min(par->size(), saved_positions[i].par_pos));
 668
 669         update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 670         if (i > 0) {
 671                 ostringstream str;
 672                 str << _("Moved to bookmark") << ' ' << i;
 673                 owner_->message(str.str().c_str());
 674         }
 675 }
 676
 677
 678 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
 679 {
 680         if (i >= saved_positions_num)
 681                 return false;
 682
 683         return !saved_positions[i].filename.empty();
 684 }
 685
 686
 687 void BufferView::Pimpl::switchKeyMap()
 688 {
 689         if (!lyxrc.rtl_support)
 690                 return;
 691
 692         LyXText * text = bv_->getLyXText();
 693         if (text->real_current_font.isRightToLeft()
 694             && !(bv_->theLockingInset()
 695                  && bv_->theLockingInset()->lyxCode() == Inset::ERT_CODE))
 696         {
 697                 if (owner_->getIntl().keymap == Intl::PRIMARY)
 698                         owner_->getIntl().KeyMapSec();
 699         } else {
 700                 if (owner_->getIntl().keymap == Intl::SECONDARY)
 701                         owner_->getIntl().KeyMapPrim();
 702         }
 703 }
 704
 705
 706 void BufferView::Pimpl::insetUnlock()
 707 {
 708         if (bv_->theLockingInset()) {
 709                 bv_->theLockingInset()->insetUnlock(bv_);
 710                 bv_->theLockingInset(0);
 711                 finishUndo();
 712         }
 713 }
 714
 715
 716 void BufferView::Pimpl::showCursor()
 717 {
 718         if (bv_->theLockingInset())
 719                 bv_->theLockingInset()->showInsetCursor(bv_);
 720         else
 721                 screen().showCursor(bv_->text, bv_);
 722 }
 723
 724
 725 void BufferView::Pimpl::hideCursor()
 726 {
 727         if (!bv_->theLockingInset())
 728                 screen().hideCursor();
 729 }
 730
 731
 732 void BufferView::Pimpl::toggleSelection(bool b)
 733 {
 734         if (bv_->theLockingInset())
 735                 bv_->theLockingInset()->toggleSelection(bv_, b);
 736         screen().toggleSelection(bv_->text, bv_, b);
 737 }
 738
 739
 740 void BufferView::Pimpl::toggleToggle()
 741 {
 742         screen().toggleToggle(bv_->text, bv_);
 743 }
 744
 745
 746 void BufferView::Pimpl::center()
 747 {
 748         LyXText * t = bv_->text;
 749
 750         beforeChange(t);
 751         int const half_height = workarea().workHeight() / 2;
 752         int new_y = 0;
 753
 754         if (t->cursor.y() > half_height) {
 755                 new_y = t->cursor.y() - half_height;
 756         }
 757
 758         // FIXME: can we do this w/o calling screen directly ?
 759         // This updates first_y but means the fitCursor() call
 760         // from the update(FITCUR) doesn't realise that we might
 761         // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
 762         // the scrollbar to be updated as it should, so we have
 763         // to do it manually. Any operation that does a center()
 764         // and also might have moved first_y must make sure to call
 765         // updateScrollbar() currently. Never mind that this is a
 766         // pretty obfuscated way of updating t->first_y
 767         screen().draw(t, bv_, new_y);
 768
 769         update(t, BufferView::SELECT | BufferView::FITCUR);
 770 }
 771
 772
 773 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
 774 {
 775         workarea().putClipboard(stuff);
 776 }
 777
 778
 779 /*
 780  * Dispatch functions for actions which can be valid for BufferView->text
 781  * and/or InsetText->text!!!
 782  */
 783
 784
 785 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
 786 {
 787 #if 0
 788         LyXCursor cursor = bv_->getLyXText()->cursor;
 789         Buffer::inset_iterator it =
 790                 find_if(Buffer::inset_iterator(
 791                         cursor.par(), cursor.pos()),
 792                         buffer_->inset_iterator_end(),
 793                         lyx::compare_memfun(&Inset::lyxCode, code));
 794         return it != buffer_->inset_iterator_end() ? (*it) : 0;
 795 #else
 796         // Ok, this is a little bit too brute force but it
 797         // should work for now. Better infrastructure is comming. (Lgb)
 798
 799         Buffer * b = bv_->buffer();
 800         LyXCursor cursor = bv_->getLyXText()->cursor;
 801
 802         Buffer::inset_iterator beg = b->inset_iterator_begin();
 803         Buffer::inset_iterator end = b->inset_iterator_end();
 804
 805         bool cursor_par_seen = false;
 806
 807         for (; beg != end; ++beg) {
 808                 if (beg.getPar() == cursor.par()) {
 809                         cursor_par_seen = true;
 810                 }
 811                 if (cursor_par_seen) {
 812                         if (beg.getPar() == cursor.par()
 813                             && beg.getPos() >= cursor.pos()) {
 814                                 break;
 815                         } else if (beg.getPar() != cursor.par()) {
 816                                 break;
 817                         }
 818                 }
 819
 820         }
 821         if (beg != end) {
 822                 // Now find the first inset that matches code.
 823                 for (; beg != end; ++beg) {
 824                         if (beg->lyxCode() == code) {
 825                                 return &(*beg);
 826                         }
 827                 }
 828         }
 829         return 0;
 830 #endif
 831 }
 832
 833
 834 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
 835 {
 836         string filename = filen;
 837
 838         if (filename.empty()) {
 839                 // Launch a file browser
 840                 string initpath = lyxrc.document_path;
 841
 842                 if (available()) {
 843                         string const trypath = owner_->buffer()->filePath();
 844                         // If directory is writeable, use this as default.
 845                         if (IsDirWriteable(trypath))
 846                                 initpath = trypath;
 847                 }
 848
 849                 FileDialog fileDlg(bv_->owner(),
 850                                    _("Select LyX document to insert"),
 851                         LFUN_FILE_INSERT,
 852                         make_pair(string(_("Documents|#o#O")),
 853                                   string(lyxrc.document_path)),
 854                         make_pair(string(_("Examples|#E#e")),
 855                                   string(AddPath(system_lyxdir, "examples"))));
 856
 857                 FileDialog::Result result =
 858                         fileDlg.Select(initpath,
 859                                        _("*.lyx| LyX Documents (*.lyx)"));
 860
 861                 if (result.first == FileDialog::Later)
 862                         return;
 863
 864                 filename = result.second;
 865
 866                 // check selected filename
 867                 if (filename.empty()) {
 868                         owner_->message(_("Canceled."));
 869                         return;
 870                 }
 871         }
 872
 873         // get absolute path of file and add ".lyx" to the filename if
 874         // necessary
 875         filename = FileSearch(string(), filename, "lyx");
 876
 877         string const disp_fn(MakeDisplayPath(filename));
 878
 879         ostringstream s1;
 880         s1 << _("Inserting document") << ' '
 881            << disp_fn << " ...";
 882         owner_->message(s1.str().c_str());
 883         bool const res = bv_->insertLyXFile(filename);
 884         if (res) {
 885                 ostringstream str;
 886                 str << _("Document") << ' ' << disp_fn
 887                     << ' ' << _("inserted.");
 888                 owner_->message(str.str().c_str());
 889         } else {
 890                 ostringstream str;
 891                 str << _("Could not insert document") << ' '
 892                     << disp_fn;
 893                 owner_->message(str.str().c_str());
 894         }
 895 }
 896
 897
 898 bool BufferView::Pimpl::dispatch(FuncRequest const & ev)
 899 {
 900         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch:"
 901                 << " action[" << ev.action <<"]"
 902                 << " arg[" << ev.argument << "]"
 903                 << " x[" << ev.x << "]"
 904                 << " y[" << ev.y << "]"
 905                 << " button[" << ev.button() << "]"
 906                 << endl;
 907
 908         LyXTextClass const & tclass = buffer_->params.getLyXTextClass();
 909
 910         switch (ev.action) {
 911
 912         case LFUN_TOC_INSERT:
 913         {
 914                 InsetCommandParams p;
 915                 p.setCmdName("tableofcontents");
 916                 Inset * inset = new InsetTOC(p);
 917                 if (!insertInset(inset, tclass.defaultLayoutName()))
 918                         delete inset;
 919                 break;
 920         }
 921
 922         case LFUN_SCROLL_INSET:
 923                 // this is not handled here as this function is only active
 924                 // if we have a locking_inset and that one is (or contains)
 925                 // a tabular-inset
 926                 break;
 927
 928         case LFUN_INSET_GRAPHICS:
 929         {
 930                 Inset * new_inset = new InsetGraphics;
 931                 if (!insertInset(new_inset)) {
 932                         delete new_inset;
 933                 } else {
 934                         // this is need because you don't use a inset->Edit()
 935                         updateInset(new_inset, true);
 936                         new_inset->edit(bv_);
 937                 }
 938                 break;
 939         }
 940
 941         case LFUN_LAYOUT_COPY:
 942                 bv_->copyEnvironment();
 943                 break;
 944
 945         case LFUN_LAYOUT_PASTE:
 946                 bv_->pasteEnvironment();
 947                 switchKeyMap();
 948                 break;
 949
 950         case LFUN_DEPTH_MIN:
 951                 changeDepth(bv_, bv_->getLyXText(), -1);
 952                 break;
 953
 954         case LFUN_DEPTH_PLUS:
 955                 changeDepth(bv_, bv_->getLyXText(), 1);
 956                 break;
 957
 958         case LFUN_FREE:
 959                 owner_->getDialogs().setUserFreeFont();
 960                 break;
 961
 962         case LFUN_FILE_INSERT:
 963                 MenuInsertLyXFile(ev.argument);
 964                 break;
 965
 966         case LFUN_FILE_INSERT_ASCII_PARA:
 967                 InsertAsciiFile(bv_, ev.argument, true);
 968                 break;
 969
 970         case LFUN_FILE_INSERT_ASCII:
 971                 InsertAsciiFile(bv_, ev.argument, false);
 972                 break;
 973
 974         case LFUN_LANGUAGE:
 975                 lang(bv_, ev.argument);
 976                 switchKeyMap();
 977                 owner_->view_state_changed();
 978                 break;
 979
 980         case LFUN_EMPH:
 981                 emph(bv_);
 982                 owner_->view_state_changed();
 983                 break;
 984
 985         case LFUN_BOLD:
 986                 bold(bv_);
 987                 owner_->view_state_changed();
 988                 break;
 989
 990         case LFUN_NOUN:
 991                 noun(bv_);
 992                 owner_->view_state_changed();
 993                 break;
 994
 995         case LFUN_CODE:
 996                 code(bv_);
 997                 owner_->view_state_changed();
 998                 break;
 999
1000         case LFUN_SANS:
1001                 sans(bv_);
1002                 owner_->view_state_changed();
1003                 break;
1004
1005         case LFUN_ROMAN:
1006                 roman(bv_);
1007                 owner_->view_state_changed();
1008                 break;
1009
1010         case LFUN_DEFAULT:
1011                 styleReset(bv_);
1012                 owner_->view_state_changed();
1013                 break;
1014
1015         case LFUN_UNDERLINE:
1016                 underline(bv_);
1017                 owner_->view_state_changed();
1018                 break;
1019
1020         case LFUN_FONT_SIZE:
1021                 fontSize(bv_, ev.argument);
1022                 owner_->view_state_changed();
1023                 break;
1024
1025         case LFUN_FONT_STATE:
1026                 owner_->getLyXFunc().setMessage(currentState(bv_));
1027                 break;
1028
1029         case LFUN_INSERT_LABEL:
1030                 MenuInsertLabel(bv_, ev.argument);
1031                 break;
1032
1033         case LFUN_REF_INSERT:
1034                 if (ev.argument.empty()) {
1035                         InsetCommandParams p("ref");
1036                         owner_->getDialogs().createRef(p.getAsString());
1037                 } else {
1038                         InsetCommandParams p;
1039                         p.setFromString(ev.argument);
1040
1041                         InsetRef * inset = new InsetRef(p, *buffer_);
1042                         if (!insertInset(inset))
1043                                 delete inset;
1044                         else
1045                                 updateInset(inset, true);
1046                 }
1047                 break;
1048
1049         case LFUN_BOOKMARK_SAVE:
1050                 savePosition(strToUnsignedInt(ev.argument));
1051                 break;
1052
1053         case LFUN_BOOKMARK_GOTO:
1054                 restorePosition(strToUnsignedInt(ev.argument));
1055                 break;
1056
1057         case LFUN_REF_GOTO:
1058         {
1059                 string label = ev.argument;
1060                 if (label.empty()) {
1061                         InsetRef * inset =
1062                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1063                         if (inset) {
1064                                 label = inset->getContents();
1065                                 savePosition(0);
1066                         }
1067                 }
1068
1069                 if (!label.empty()) {
1070                         //bv_->savePosition(0);
1071                         if (!bv_->gotoLabel(label))
1072                                 Alert::alert(_("Error"),
1073                                            _("Couldn't find this label"),
1074                                            _("in current document."));
1075                 }
1076         }
1077         break;
1078
1079         case LFUN_HTMLURL:
1080         case LFUN_URL:
1081         {
1082                 InsetCommandParams p;
1083                 if (ev.action == LFUN_HTMLURL)
1084                         p.setCmdName("htmlurl");
1085                 else
1086                         p.setCmdName("url");
1087                 owner_->getDialogs().createUrl(p.getAsString());
1088         }
1089         break;
1090
1091         case LFUN_INSERT_URL:
1092         {
1093                 InsetCommandParams p;
1094                 p.setFromString(ev.argument);
1095
1096                 InsetUrl * inset = new InsetUrl(p);
1097                 if (!insertInset(inset))
1098                         delete inset;
1099                 else
1100                         updateInset(inset, true);
1101         }
1102         break;
1103
1104         case LFUN_INSET_CAPTION:
1105         {
1106                 // Do we have a locking inset...
1107                 if (bv_->theLockingInset()) {
1108                         lyxerr << "Locking inset code: "
1109                                << static_cast<int>(bv_->theLockingInset()->lyxCode());
1110                         InsetCaption * new_inset =
1111                                 new InsetCaption(buffer_->params);
1112                         new_inset->setOwner(bv_->theLockingInset());
1113                         new_inset->setAutoBreakRows(true);
1114                         new_inset->setDrawFrame(0, InsetText::LOCKED);
1115                         new_inset->setFrameColor(0, LColor::captionframe);
1116                         if (insertInset(new_inset))
1117                                 new_inset->edit(bv_);
1118                         else
1119                                 delete new_inset;
1120                 }
1121         }
1122         break;
1123
1124
1125         // --- accented characters ---------------------------
1126
1127         case LFUN_UMLAUT:
1128         case LFUN_CIRCUMFLEX:
1129         case LFUN_GRAVE:
1130         case LFUN_ACUTE:
1131         case LFUN_TILDE:
1132         case LFUN_CEDILLA:
1133         case LFUN_MACRON:
1134         case LFUN_DOT:
1135         case LFUN_UNDERDOT:
1136         case LFUN_UNDERBAR:
1137         case LFUN_CARON:
1138         case LFUN_SPECIAL_CARON:
1139         case LFUN_BREVE:
1140         case LFUN_TIE:
1141         case LFUN_HUNG_UMLAUT:
1142         case LFUN_CIRCLE:
1143         case LFUN_OGONEK:
1144                 if (ev.argument.empty()) {
1145                         // As always...
1146                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1147                 } else {
1148                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1149                         owner_->getIntl().getTransManager()
1150                                 .TranslateAndInsert(ev.argument[0], bv_->getLyXText());
1151                         update(bv_->getLyXText(),
1152                                BufferView::SELECT
1153                                | BufferView::FITCUR
1154                                | BufferView::CHANGE);
1155                 }
1156                 break;
1157
1158         case LFUN_MATH_MACRO:
1159         case LFUN_MATH_DELIM:
1160         case LFUN_INSERT_MATRIX:
1161         case LFUN_INSERT_MATH:
1162         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
1163         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
1164         case LFUN_MATH_MODE:             // Open or create an inlined math inset
1165         case LFUN_GREEK:                 // Insert a single greek letter
1166                 mathDispatch(FuncRequest(bv_, ev.action, ev.argument));
1167                 break;
1168
1169         case LFUN_CITATION_INSERT:
1170         {
1171                 InsetCommandParams p;
1172                 p.setFromString(ev.argument);
1173
1174                 InsetCitation * inset = new InsetCitation(p);
1175                 if (!insertInset(inset))
1176                         delete inset;
1177                 else
1178                         updateInset(inset, true);
1179         }
1180         break;
1181
1182         case LFUN_INSERT_BIBTEX:
1183         {
1184                 // ale970405+lasgoutt970425
1185                 // The argument can be up to two tokens separated
1186                 // by a space. The first one is the bibstyle.
1187                 string const db = token(ev.argument, ' ', 0);
1188                 string bibstyle = token(ev.argument, ' ', 1);
1189                 if (bibstyle.empty())
1190                         bibstyle = "plain";
1191
1192                 InsetCommandParams p("BibTeX", db, bibstyle);
1193                 InsetBibtex * inset = new InsetBibtex(p);
1194
1195                 if (insertInset(inset)) {
1196                         if (ev.argument.empty())
1197                                 inset->edit(bv_);
1198                 } else
1199                         delete inset;
1200         }
1201         break;
1202
1203         // BibTeX data bases
1204         case LFUN_BIBDB_ADD:
1205         {
1206                 InsetBibtex * inset =
1207                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1208                 if (inset) {
1209                         inset->addDatabase(ev.argument);
1210                 }
1211         }
1212         break;
1213
1214         case LFUN_BIBDB_DEL:
1215         {
1216                 InsetBibtex * inset =
1217                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1218                 if (inset) {
1219                         inset->delDatabase(ev.argument);
1220                 }
1221         }
1222         break;
1223
1224         case LFUN_BIBTEX_STYLE:
1225         {
1226                 InsetBibtex * inset =
1227                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1228                 if (inset) {
1229                         inset->setOptions(ev.argument);
1230                 }
1231         }
1232         break;
1233
1234         case LFUN_INDEX_INSERT:
1235         {
1236                 string entry = ev.argument;
1237                 if (entry.empty())
1238                         entry = bv_->getLyXText()->getStringToIndex(bv_);
1239
1240                 if (entry.empty()) {
1241                         owner_->getDialogs().createIndex();
1242                         break;
1243                 }
1244
1245                 InsetIndex * inset = new InsetIndex(InsetCommandParams("index", entry));
1246
1247                 if (!insertInset(inset)) {
1248                         delete inset;
1249                 } else {
1250                         updateInset(inset, true);
1251                 }
1252         }
1253         break;
1254
1255         case LFUN_INDEX_PRINT:
1256         {
1257                 InsetCommandParams p("printindex");
1258                 Inset * inset = new InsetPrintIndex(p);
1259                 if (!insertInset(inset, tclass.defaultLayoutName()))
1260                         delete inset;
1261         }
1262         break;
1263
1264         case LFUN_PARENTINSERT:
1265         {
1266                 InsetCommandParams p("lyxparent", ev.argument);
1267                 Inset * inset = new InsetParent(p, *buffer_);
1268                 if (!insertInset(inset, tclass.defaultLayoutName()))
1269                         delete inset;
1270         }
1271
1272         break;
1273
1274         case LFUN_CHILD_INSERT:
1275         {
1276                 InsetInclude::Params p;
1277                 p.cparams.setFromString(ev.argument);
1278                 p.masterFilename_ = buffer_->fileName();
1279
1280                 InsetInclude * inset = new InsetInclude(p);
1281                 if (!insertInset(inset))
1282                         delete inset;
1283                 else {
1284                         updateInset(inset, true);
1285                         bv_->owner()->getDialogs().showInclude(inset);
1286                 }
1287         }
1288         break;
1289
1290         case LFUN_FLOAT_LIST:
1291                 if (tclass.floats().typeExist(ev.argument)) {
1292                         Inset * inset = new InsetFloatList(ev.argument);
1293                         if (!insertInset(inset, tclass.defaultLayoutName()))
1294                                 delete inset;
1295                 } else {
1296                         lyxerr << "Non-existent float type: "
1297                                << ev.argument << endl;
1298                 }
1299                 break;
1300
1301         case LFUN_THESAURUS_ENTRY:
1302         {
1303                 string arg = ev.argument;
1304
1305                 if (arg.empty()) {
1306                         arg = bv_->getLyXText()->selectionAsString(buffer_,
1307                                                                    false);
1308
1309                         // FIXME
1310                         if (arg.size() > 100 || arg.empty()) {
1311                                 // Get word or selection
1312                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
1313                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
1314                                 // FIXME: where is getLyXText()->unselect(bv_) ?
1315                         }
1316                 }
1317
1318                 bv_->owner()->getDialogs().showThesaurus(arg);
1319         }
1320                 break;
1321
1322         case LFUN_UNKNOWN_ACTION:
1323                 ev.errorMessage(N_("Unknown function!"));
1324                 break;
1325
1326         default:
1327                 return bv_->getLyXText()->dispatch(FuncRequest(ev, bv_));
1328         } // end of switch
1329
1330         return true;
1331 }
1332
1333
1334 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
1335 {
1336         // if we are in a locking inset we should try to insert the
1337         // inset there otherwise this is a illegal function now
1338         if (bv_->theLockingInset()) {
1339                 if (bv_->theLockingInset()->insetAllowed(inset))
1340                     return bv_->theLockingInset()->insertInset(bv_, inset);
1341                 return false;
1342         }
1343
1344         // not quite sure if we want this...
1345         setCursorParUndo(bv_);
1346         freezeUndo();
1347
1348         beforeChange(bv_->text);
1349         if (!lout.empty()) {
1350                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1351                 bv_->text->breakParagraph(bv_);
1352                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1353
1354                 if (!bv_->text->cursor.par()->empty()) {
1355                         bv_->text->cursorLeft(bv_);
1356
1357                         bv_->text->breakParagraph(bv_);
1358                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1359                 }
1360
1361                 string lres = lout;
1362                 LyXTextClass const & tclass =
1363                         buffer_->params.getLyXTextClass();
1364                 bool hasLayout = tclass.hasLayout(lres);
1365                 string lay = tclass.defaultLayoutName();
1366
1367                 if (hasLayout != false) {
1368                         // layout found
1369                         lay = lres;
1370                 } else {
1371                         // layout not fount using default
1372                         lay = tclass.defaultLayoutName();
1373                 }
1374
1375                 bv_->text->setLayout(bv_, lay);
1376
1377                 bv_->text->setParagraph(bv_, 0, 0,
1378                                    0, 0,
1379                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
1380                                    Spacing(),
1381                                    LYX_ALIGN_LAYOUT,
1382                                    string(),
1383                                    0);
1384                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1385         }
1386
1387         bv_->text->insertInset(bv_, inset);
1388         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1389
1390         unFreezeUndo();
1391         return true;
1392 }
1393
1394
1395 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
1396 {
1397         if (!inset || !available())
1398                 return;
1399
1400         // first check for locking insets
1401         if (bv_->theLockingInset()) {
1402                 if (bv_->theLockingInset() == inset) {
1403                         if (bv_->text->updateInset(bv_, inset)) {
1404                                 update();
1405                                 if (mark_dirty) {
1406                                         buffer_->markDirty();
1407                                 }
1408                                 updateScrollbar();
1409                                 return;
1410                         }
1411                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
1412                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
1413                                 update();
1414                                 if (mark_dirty) {
1415                                         buffer_->markDirty();
1416                                 }
1417                                 updateScrollbar();
1418                                 return;
1419                         }
1420                 }
1421         }
1422
1423         // then check if the inset is a top_level inset (has no owner)
1424         // if yes do the update as always otherwise we have to update the
1425         // toplevel inset where this inset is inside
1426         Inset * tl_inset = inset;
1427         while (tl_inset->owner())
1428                 tl_inset = tl_inset->owner();
1429         hideCursor();
1430         if (tl_inset == inset) {
1431                 update(bv_->text, BufferView::UPDATE);
1432                 if (bv_->text->updateInset(bv_, inset)) {
1433                         if (mark_dirty) {
1434                                 update(bv_->text,
1435                                        BufferView::SELECT
1436                                        | BufferView::FITCUR
1437                                        | BufferView::CHANGE);
1438                         } else {
1439                                 update(bv_->text, SELECT);
1440                         }
1441                         return;
1442                 }
1443         } else if (static_cast<UpdatableInset *>(tl_inset)
1444                            ->updateInsetInInset(bv_, inset))
1445         {
1446                 if (bv_->text->updateInset(bv_, tl_inset)) {
1447                         update();
1448                         updateScrollbar();
1449                 }
1450         }
1451 }