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 "frontends/WorkArea.h"
  13 #include "frontends/screen.h"
  14 #include "frontends/LyXScreenFactory.h"
  15 #include "frontends/WorkAreaFactory.h"
  16 #include "frontends/Dialogs.h"
  17 #include "frontends/Alert.h"
  18 #include "frontends/FileDialog.h"
  19 #include "frontends/mouse_state.h"
  20 #include "lyxtext.h"
  21 #include "lyxrow.h"
  22 #include "paragraph.h"
  23 #include "frontends/LyXView.h"
  24 #include "commandtags.h"
  25 #include "lyxfunc.h"
  26 #include "debug.h"
  27 #include "bufferview_funcs.h"
  28 #include "TextCache.h"
  29 #include "bufferlist.h"
  30 #include "lyxrc.h"
  31 #include "intl.h"
  32 // added for Dispatch functions
  33 #include "lyx_cb.h"
  34 #include "lyx_main.h"
  35 #include "FloatList.h"
  36 #include "gettext.h"
  37 #include "ParagraphParameters.h"
  38 #include "undo_funcs.h"
  39 #include "funcrequest.h"
  40 #include "iterators.h"
  41 #include "lyxfind.h"
  42
  43 #include "insets/insetbibtex.h"
  44 #include "insets/insetcite.h"
  45 #include "insets/insetfloatlist.h"
  46 #include "insets/insetgraphics.h"
  47 #include "insets/insetinclude.h"
  48 #include "insets/insetindex.h"
  49 #include "insets/insetlatexaccent.h"
  50 #include "insets/insetmarginal.h"
  51 #include "insets/insetref.h"
  52 #include "insets/insettext.h"
  53 #include "insets/insettoc.h"
  54
  55 #include "mathed/formulabase.h"
  56
  57 #include "graphics/Previews.h"
  58
  59 #include "support/LAssert.h"
  60 #include "support/lstrings.h"
  61 #include "support/filetools.h"
  62
  63 #include <boost/bind.hpp>
  64 #include <boost/signals/connection.hpp>
  65 #include "BoostFormat.h"
  66
  67 #include <unistd.h>
  68 #include <sys/wait.h>
  69
  70
  71 using std::vector;
  72 using std::find_if;
  73 using std::find;
  74 using std::pair;
  75 using std::endl;
  76 using std::make_pair;
  77 using std::min;
  78
  79 using lyx::pos_type;
  80
  81 extern BufferList bufferlist;
  82
  83
  84 namespace {
  85
  86 unsigned int const saved_positions_num = 20;
  87
  88 // All the below connection objects are needed because of a bug in some
  89 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
  90 // to these connections we avoid a segfault upon startup, and also at exit.
  91 // (Lgb)
  92
  93 boost::signals::connection dispatchcon;
  94 boost::signals::connection timecon;
  95 boost::signals::connection doccon;
  96 boost::signals::connection resizecon;
  97 boost::signals::connection kpresscon;
  98 boost::signals::connection selectioncon;
  99 boost::signals::connection lostcon;
 100
 101
 102 } // anon namespace
 103
 104
 105 BufferView::Pimpl::Pimpl(BufferView * bv, LyXView * owner,
 106              int xpos, int ypos, int width, int height)
 107         : bv_(bv), owner_(owner), buffer_(0), cursor_timeout(400),
 108           using_xterm_cursor(false)
 109 {
 110         workarea_.reset(WorkAreaFactory::create(xpos, ypos, width, height));
 111         screen_.reset(LyXScreenFactory::create(workarea()));
 112
 113         // Setup the signals
 114         doccon = workarea().scrollDocView
 115                 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
 116         resizecon = workarea().workAreaResize
 117                 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
 118         dispatchcon = workarea().dispatch
 119                 .connect(boost::bind(&BufferView::Pimpl::dispatch, this, _1));
 120         kpresscon = workarea().workAreaKeyPress
 121                 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
 122         selectioncon = workarea().selectionRequested
 123                 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
 124         lostcon = workarea().selectionLost
 125                 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
 126
 127         timecon = cursor_timeout.timeout
 128                 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
 129         cursor_timeout.start();
 130         saved_positions.resize(saved_positions_num);
 131 }
 132
 133
 134 WorkArea & BufferView::Pimpl::workarea() const
 135 {
 136         return *workarea_.get();
 137 }
 138
 139
 140 LyXScreen & BufferView::Pimpl::screen() const
 141 {
 142         return *screen_.get();
 143 }
 144
 145
 146 Painter & BufferView::Pimpl::painter() const
 147 {
 148         return workarea().getPainter();
 149 }
 150
 151
 152 void BufferView::Pimpl::buffer(Buffer * b)
 153 {
 154         lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
 155                             << b << ')' << endl;
 156         if (buffer_) {
 157                 buffer_->delUser(bv_);
 158
 159                 // Put the old text into the TextCache, but
 160                 // only if the buffer is still loaded.
 161                 // Also set the owner of the test to 0
 162                 //              bv_->text->owner(0);
 163                 textcache.add(buffer_, workarea().workWidth(), bv_->text);
 164                 if (lyxerr.debugging())
 165                         textcache.show(lyxerr, "BufferView::buffer");
 166
 167                 bv_->text = 0;
 168         }
 169
 170         // set current buffer
 171         buffer_ = b;
 172
 173         // if we're quitting lyx, don't bother updating stuff
 174         if (quitting)
 175                 return;
 176
 177         // if we are closing the buffer, use the first buffer as current
 178         if (!buffer_) {
 179                 buffer_ = bufferlist.first();
 180         }
 181
 182         if (buffer_) {
 183                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 184                 buffer_->addUser(bv_);
 185
 186                 // If we don't have a text object for this, we make one
 187                 if (bv_->text == 0) {
 188                         resizeCurrentBuffer();
 189                 }
 190
 191                 // FIXME: needed when ?
 192                 bv_->text->first_y =
 193                         screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 194
 195                 // Similarly, buffer-dependent dialogs should be updated or
 196                 // hidden. This should go here because some dialogs (eg ToC)
 197                 // require bv_->text.
 198                 owner_->getDialogs().updateBufferDependent(true);
 199         } else {
 200                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 201                 owner_->getDialogs().hideBufferDependent();
 202
 203                 // Also remove all remaining text's from the testcache.
 204                 // (there should not be any!) (if there is any it is a
 205                 // bug!)
 206                 if (lyxerr.debugging())
 207                         textcache.show(lyxerr, "buffer delete all");
 208                 textcache.clear();
 209         }
 210
 211         repaint();
 212         updateScrollbar();
 213         owner_->updateMenubar();
 214         owner_->updateToolbar();
 215         owner_->updateLayoutChoice();
 216         owner_->updateWindowTitle();
 217
 218         if (grfx::Previews::activated() && buffer_)
 219                 grfx::Previews::get().generateBufferPreviews(*buffer_);
 220 }
 221
 222
 223 bool BufferView::Pimpl::fitCursor()
 224 {
 225         bool ret;
 226
 227         if (bv_->theLockingInset()) {
 228                 bv_->theLockingInset()->fitInsetCursor(bv_);
 229                 ret = true;
 230         } else {
 231                 ret = screen().fitCursor(bv_->text, bv_);
 232         }
 233
 234         bv_->owner()->getDialogs().updateParagraph();
 235         if (ret)
 236                 updateScrollbar();
 237         return ret;
 238 }
 239
 240
 241 void BufferView::Pimpl::redoCurrentBuffer()
 242 {
 243         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 244         if (buffer_ && bv_->text) {
 245                 resizeCurrentBuffer();
 246                 updateScrollbar();
 247                 owner_->updateLayoutChoice();
 248                 repaint();
 249         }
 250 }
 251
 252
 253 int BufferView::Pimpl::resizeCurrentBuffer()
 254 {
 255         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 256
 257         Paragraph * par = 0;
 258         Paragraph * selstartpar = 0;
 259         Paragraph * selendpar = 0;
 260         UpdatableInset * the_locking_inset = 0;
 261
 262         pos_type pos = 0;
 263         pos_type selstartpos = 0;
 264         pos_type selendpos = 0;
 265         bool selection = false;
 266         bool mark_set  = false;
 267
 268         owner_->busy(true);
 269
 270         owner_->message(_("Formatting document..."));
 271
 272         if (bv_->text) {
 273                 par = bv_->text->cursor.par();
 274                 pos = bv_->text->cursor.pos();
 275                 selstartpar = bv_->text->selection.start.par();
 276                 selstartpos = bv_->text->selection.start.pos();
 277                 selendpar = bv_->text->selection.end.par();
 278                 selendpos = bv_->text->selection.end.pos();
 279                 selection = bv_->text->selection.set();
 280                 mark_set = bv_->text->selection.mark();
 281                 the_locking_inset = bv_->theLockingInset();
 282                 buffer_->resizeInsets(bv_);
 283                 // I don't think the delete and new are necessary here we just could
 284                 // call only init! (Jug 20020419)
 285                 delete bv_->text;
 286                 bv_->text = new LyXText(bv_);
 287                 bv_->text->init(bv_);
 288         } else {
 289                 // See if we have a text in TextCache that fits
 290                 // the new buffer_ with the correct width.
 291                 bv_->text = textcache.findFit(buffer_, workarea().workWidth());
 292                 if (bv_->text) {
 293                         if (lyxerr.debugging()) {
 294                                 lyxerr << "Found a LyXText that fits:\n";
 295                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea().workWidth(), bv_->text)));
 296                         }
 297                         // Set the owner of the newly found text
 298                         //      bv_->text->owner(bv_);
 299                         if (lyxerr.debugging())
 300                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 301
 302                         buffer_->resizeInsets(bv_);
 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_->busy(false);
 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 " << defaultRowHeight() << endl;
 360
 361         workarea().setScrollbarParams(t.height, t.first_y, defaultRowHeight());
 362 }
 363
 364
 365 void BufferView::Pimpl::scrollDocView(int value)
 366 {
 367         lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
 368
 369         if (!buffer_)
 370                 return;
 371
 372         screen().draw(bv_->text, bv_, value);
 373
 374         if (!lyxrc.cursor_follows_scrollbar)
 375                 return;
 376
 377         LyXText * vbt = bv_->text;
 378
 379         int const height = defaultRowHeight();
 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 void BufferView::Pimpl::scroll(int lines)
 391 {
 392         if (!buffer_) {
 393                 return;
 394         }
 395
 396         LyXText const * t = bv_->text;
 397         int const line_height = defaultRowHeight();
 398
 399         // The new absolute coordinate
 400         int new_first_y = t->first_y + lines * line_height;
 401
 402         // Restrict to a valid value
 403         new_first_y = std::min(t->height - 4 * line_height, new_first_y);
 404         new_first_y = std::max(0, new_first_y);
 405
 406         scrollDocView(new_first_y);
 407
 408         // Update the scrollbar.
 409         workarea().setScrollbarParams(t->height, t->first_y, defaultRowHeight());
 410 }
 411
 412
 413 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 414                                          key_modifier::state state)
 415 {
 416         bv_->owner()->getLyXFunc().processKeySym(key, state);
 417 }
 418
 419
 420 void BufferView::Pimpl::selectionRequested()
 421 {
 422         static string sel;
 423
 424         if (!available())
 425                 return;
 426
 427         LyXText * text = bv_->getLyXText();
 428
 429         if (text->selection.set() &&
 430                 (!bv_->text->xsel_cache.set() ||
 431                  text->selection.start != bv_->text->xsel_cache.start ||
 432                  text->selection.end != bv_->text->xsel_cache.end))
 433         {
 434                 bv_->text->xsel_cache = text->selection;
 435                 sel = text->selectionAsString(bv_->buffer(), false);
 436         } else if (!text->selection.set()) {
 437                 sel = string();
 438                 bv_->text->xsel_cache.set(false);
 439         }
 440         if (!sel.empty()) {
 441                 workarea().putClipboard(sel);
 442         }
 443 }
 444
 445
 446 void BufferView::Pimpl::selectionLost()
 447 {
 448         if (available()) {
 449                 hideCursor();
 450                 toggleSelection();
 451                 bv_->getLyXText()->clearSelection();
 452                 showCursor();
 453                 bv_->text->xsel_cache.set(false);
 454         }
 455 }
 456
 457
 458 void BufferView::Pimpl::workAreaResize()
 459 {
 460         static int work_area_width;
 461         static int work_area_height;
 462
 463         bool const widthChange = workarea().workWidth() != work_area_width;
 464         bool const heightChange = workarea().workHeight() != work_area_height;
 465
 466         // update from work area
 467         work_area_width = workarea().workWidth();
 468         work_area_height = workarea().workHeight();
 469
 470         if (buffer_ != 0) {
 471                 if (widthChange) {
 472                         // The visible LyXView need a resize
 473                         resizeCurrentBuffer();
 474
 475                         // Remove all texts from the textcache
 476                         // This is not _really_ what we want to do. What
 477                         // we really want to do is to delete in textcache
 478                         // that does not have a BufferView with matching
 479                         // width, but as long as we have only one BufferView
 480                         // deleting all gives the same result.
 481                         if (lyxerr.debugging())
 482                                 textcache.show(lyxerr, "Expose delete all");
 483                         textcache.clear();
 484                         // FIXME: this is already done in resizeCurrentBuffer() ??
 485                         buffer_->resizeInsets(bv_);
 486                 } else if (heightChange) {
 487                         // fitCursor() ensures we don't jump back
 488                         // to the start of the document on vertical
 489                         // resize
 490                         fitCursor();
 491                 }
 492         }
 493
 494         if (widthChange || heightChange) {
 495                 repaint();
 496         }
 497
 498         // always make sure that the scrollbar is sane.
 499         updateScrollbar();
 500         owner_->updateLayoutChoice();
 501         return;
 502 }
 503
 504
 505 void BufferView::Pimpl::update()
 506 {
 507         if (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()) {
 508                 LyXText::text_status st = bv_->text->status();
 509                 screen().update(bv_->text, bv_);
 510                 bool fitc = false;
 511                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
 512                         bv_->text->fullRebreak(bv_);
 513                         st = LyXText::NEED_MORE_REFRESH;
 514                         bv_->text->setCursor(bv_, bv_->text->cursor.par(),
 515                                              bv_->text->cursor.pos());
 516                         if (bv_->text->selection.set()) {
 517                                 bv_->text->setCursor(bv_, bv_->text->selection.start,
 518                                                      bv_->text->selection.start.par(),
 519                                                      bv_->text->selection.start.pos());
 520                                 bv_->text->setCursor(bv_, bv_->text->selection.end,
 521                                                      bv_->text->selection.end.par(),
 522                                                      bv_->text->selection.end.pos());
 523                         }
 524                         fitc = true;
 525                         bv_->text->status(bv_, st);
 526                         screen().update(bv_->text, bv_);
 527                 }
 528                 // do this here instead of in the screen::update because of
 529                 // the above loop!
 530                 bv_->text->status(bv_, LyXText::UNCHANGED);
 531                 if (fitc)
 532                         fitCursor();
 533         }
 534 }
 535
 536 // Values used when calling update:
 537 // -3 - update
 538 // -2 - update, move sel_cursor if selection, fitcursor
 539 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
 540 //  0 - update, move sel_cursor if selection, fitcursor
 541 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
 542 //  3 - update, move sel_cursor if selection
 543 //
 544 // update -
 545 // a simple redraw of the parts that need refresh
 546 //
 547 // move sel_cursor if selection -
 548 // the text's sel_cursor is moved if there is selection is progress
 549 //
 550 // fitcursor -
 551 // fitCursor() is called and the scrollbar updated
 552 //
 553 // mark dirty -
 554 // the buffer is marked dirty.
 555 //
 556 // enum {
 557 //       UPDATE = 0,
 558 //       SELECT = 1,
 559 //       FITCUR = 2,
 560 //       CHANGE = 4
 561 // };
 562 //
 563 // UPDATE_ONLY = UPDATE;
 564 // UPDATE_SELECT = UPDATE | SELECT;
 565 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
 566 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
 567 //
 568 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
 569 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
 570 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 571 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 572 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
 573
 574 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
 575 {
 576         owner_->updateLayoutChoice();
 577
 578         if (!text->selection.set() && (f & SELECT)) {
 579                 text->selection.cursor = text->cursor;
 580         }
 581
 582         text->fullRebreak(bv_);
 583
 584         if (text->inset_owner) {
 585                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
 586                 updateInset(text->inset_owner, false);
 587         } else {
 588                 update();
 589         }
 590
 591         if ((f & FITCUR)) {
 592                 fitCursor();
 593         }
 594
 595         if ((f & CHANGE)) {
 596                 buffer_->markDirty();
 597         }
 598 }
 599
 600
 601 // Callback for cursor timer
 602 void BufferView::Pimpl::cursorToggle()
 603 {
 604         if (!buffer_) {
 605                 cursor_timeout.restart();
 606                 return;
 607         }
 608
 609         if (!bv_->theLockingInset()) {
 610                 screen().cursorToggle(bv_);
 611         } else {
 612                 bv_->theLockingInset()->toggleInsetCursor(bv_);
 613         }
 614
 615         cursor_timeout.restart();
 616 }
 617
 618
 619 bool BufferView::Pimpl::available() const
 620 {
 621         if (buffer_ && bv_->text)
 622                 return true;
 623         return false;
 624 }
 625
 626
 627 Change const BufferView::Pimpl::getCurrentChange()
 628 {
 629         if (!bv_->buffer()->params.tracking_changes)
 630                 return Change(Change::UNCHANGED);
 631
 632         LyXText * t(bv_->getLyXText());
 633
 634         if (!t->selection.set())
 635                 return Change(Change::UNCHANGED);
 636
 637         LyXCursor const & cur(t->selection.start);
 638         return cur.par()->lookupChangeFull(cur.pos());
 639 }
 640
 641
 642 void BufferView::Pimpl::beforeChange(LyXText * text)
 643 {
 644         toggleSelection();
 645         text->clearSelection();
 646 }
 647
 648
 649 void BufferView::Pimpl::savePosition(unsigned int i)
 650 {
 651         if (i >= saved_positions_num)
 652                 return;
 653         saved_positions[i] = Position(buffer_->fileName(),
 654                                       bv_->text->cursor.par()->id(),
 655                                       bv_->text->cursor.pos());
 656         if (i > 0) {
 657                 ostringstream str;
 658 #if USE_BOOST_FORMAT
 659                 str << boost::format(_("Saved bookmark %1$d")) % i;
 660 #else
 661                 str << _("Saved bookmark ") << i;
 662 #endif
 663                 owner_->message(STRCONV(str.str()));
 664         }
 665 }
 666
 667
 668 void BufferView::Pimpl::restorePosition(unsigned int i)
 669 {
 670         if (i >= saved_positions_num)
 671                 return;
 672
 673         string const fname = saved_positions[i].filename;
 674
 675         beforeChange(bv_->text);
 676
 677         if (fname != buffer_->fileName()) {
 678                 Buffer * b = bufferlist.exists(fname) ?
 679                         bufferlist.getBuffer(fname) :
 680                         bufferlist.loadLyXFile(fname); // don't ask, just load it
 681                 if (b != 0) buffer(b);
 682         }
 683
 684         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
 685         if (!par)
 686                 return;
 687
 688         bv_->text->setCursor(bv_, par,
 689                              min(par->size(), saved_positions[i].par_pos));
 690
 691         update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 692         if (i > 0) {
 693                 ostringstream str;
 694 #if USE_BOOST_FORMAT
 695                 str << boost::format(_("Moved to bookmark %1$d")) % i;
 696 #else
 697                 str << _("Moved to bookmark ") << i;
 698 #endif
 699                 owner_->message(STRCONV(str.str()));
 700         }
 701 }
 702
 703
 704 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
 705 {
 706         if (i >= saved_positions_num)
 707                 return false;
 708
 709         return !saved_positions[i].filename.empty();
 710 }
 711
 712
 713 void BufferView::Pimpl::switchKeyMap()
 714 {
 715         if (!lyxrc.rtl_support)
 716                 return;
 717
 718         LyXText * text = bv_->getLyXText();
 719         if (text->real_current_font.isRightToLeft()
 720             && !(bv_->theLockingInset()
 721                  && bv_->theLockingInset()->lyxCode() == Inset::ERT_CODE))
 722         {
 723                 if (owner_->getIntl().keymap == Intl::PRIMARY)
 724                         owner_->getIntl().KeyMapSec();
 725         } else {
 726                 if (owner_->getIntl().keymap == Intl::SECONDARY)
 727                         owner_->getIntl().KeyMapPrim();
 728         }
 729 }
 730
 731
 732 void BufferView::Pimpl::insetUnlock()
 733 {
 734         if (bv_->theLockingInset()) {
 735                 bv_->theLockingInset()->insetUnlock(bv_);
 736                 bv_->theLockingInset(0);
 737                 finishUndo();
 738         }
 739 }
 740
 741
 742 void BufferView::Pimpl::showCursor()
 743 {
 744         if (bv_->theLockingInset())
 745                 bv_->theLockingInset()->showInsetCursor(bv_);
 746         else
 747                 screen().showCursor(bv_->text, bv_);
 748 }
 749
 750
 751 void BufferView::Pimpl::hideCursor()
 752 {
 753         if (!bv_->theLockingInset())
 754                 screen().hideCursor();
 755 }
 756
 757
 758 void BufferView::Pimpl::toggleSelection(bool b)
 759 {
 760         if (bv_->theLockingInset())
 761                 bv_->theLockingInset()->toggleSelection(bv_, b);
 762         screen().toggleSelection(bv_->text, bv_, b);
 763 }
 764
 765
 766 void BufferView::Pimpl::toggleToggle()
 767 {
 768         screen().toggleToggle(bv_->text, bv_);
 769 }
 770
 771
 772 void BufferView::Pimpl::center()
 773 {
 774         LyXText * t = bv_->text;
 775
 776         beforeChange(t);
 777         int const half_height = workarea().workHeight() / 2;
 778         int new_y = 0;
 779
 780         if (t->cursor.y() > half_height) {
 781                 new_y = t->cursor.y() - half_height;
 782         }
 783
 784         // FIXME: can we do this w/o calling screen directly ?
 785         // This updates first_y but means the fitCursor() call
 786         // from the update(FITCUR) doesn't realise that we might
 787         // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
 788         // the scrollbar to be updated as it should, so we have
 789         // to do it manually. Any operation that does a center()
 790         // and also might have moved first_y must make sure to call
 791         // updateScrollbar() currently. Never mind that this is a
 792         // pretty obfuscated way of updating t->first_y
 793         screen().draw(t, bv_, new_y);
 794
 795         update(t, BufferView::SELECT | BufferView::FITCUR);
 796 }
 797
 798
 799 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
 800 {
 801         workarea().putClipboard(stuff);
 802 }
 803
 804
 805 /*
 806  * Dispatch functions for actions which can be valid for BufferView->text
 807  * and/or InsetText->text!!!
 808  */
 809
 810
 811 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
 812 {
 813 #if 0
 814         LyXCursor cursor = bv_->getLyXText()->cursor;
 815         Buffer::inset_iterator it =
 816                 find_if(Buffer::inset_iterator(
 817                         cursor.par(), cursor.pos()),
 818                         buffer_->inset_iterator_end(),
 819                         lyx::compare_memfun(&Inset::lyxCode, code));
 820         return it != buffer_->inset_iterator_end() ? (*it) : 0;
 821 #else
 822         // Ok, this is a little bit too brute force but it
 823         // should work for now. Better infrastructure is comming. (Lgb)
 824
 825         Buffer * b = bv_->buffer();
 826         LyXCursor cursor = bv_->getLyXText()->cursor;
 827
 828         Buffer::inset_iterator beg = b->inset_iterator_begin();
 829         Buffer::inset_iterator end = b->inset_iterator_end();
 830
 831         bool cursor_par_seen = false;
 832
 833         for (; beg != end; ++beg) {
 834                 if (beg.getPar() == cursor.par()) {
 835                         cursor_par_seen = true;
 836                 }
 837                 if (cursor_par_seen) {
 838                         if (beg.getPar() == cursor.par()
 839                             && beg.getPos() >= cursor.pos()) {
 840                                 break;
 841                         } else if (beg.getPar() != cursor.par()) {
 842                                 break;
 843                         }
 844                 }
 845
 846         }
 847         if (beg != end) {
 848                 // Now find the first inset that matches code.
 849                 for (; beg != end; ++beg) {
 850                         if (beg->lyxCode() == code) {
 851                                 return &(*beg);
 852                         }
 853                 }
 854         }
 855         return 0;
 856 #endif
 857 }
 858
 859
 860 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
 861 {
 862         string filename = filen;
 863
 864         if (filename.empty()) {
 865                 // Launch a file browser
 866                 string initpath = lyxrc.document_path;
 867
 868                 if (available()) {
 869                         string const trypath = owner_->buffer()->filePath();
 870                         // If directory is writeable, use this as default.
 871                         if (IsDirWriteable(trypath))
 872                                 initpath = trypath;
 873                 }
 874
 875                 FileDialog fileDlg(_("Select LyX document to insert"),
 876                         LFUN_FILE_INSERT,
 877                         make_pair(string(_("Documents|#o#O")),
 878                                   string(lyxrc.document_path)),
 879                         make_pair(string(_("Examples|#E#e")),
 880                                   string(AddPath(system_lyxdir, "examples"))));
 881
 882                 FileDialog::Result result =
 883                         fileDlg.open(initpath,
 884                                        _("*.lyx| LyX Documents (*.lyx)"));
 885
 886                 if (result.first == FileDialog::Later)
 887                         return;
 888
 889                 filename = result.second;
 890
 891                 // check selected filename
 892                 if (filename.empty()) {
 893                         owner_->message(_("Canceled."));
 894                         return;
 895                 }
 896         }
 897
 898         // get absolute path of file and add ".lyx" to the filename if
 899         // necessary
 900         filename = FileSearch(string(), filename, "lyx");
 901
 902         string const disp_fn(MakeDisplayPath(filename));
 903
 904         ostringstream s1;
 905 #if USE_BOOST_FORMAT
 906         s1 << boost::format(_("Inserting document %1$s...")) % disp_fn;
 907 #else
 908         s1 << _("Inserting document ") << disp_fn << _("...");
 909 #endif
 910         owner_->message(STRCONV(s1.str()));
 911         bool const res = bv_->insertLyXFile(filename);
 912         if (res) {
 913                 ostringstream str;
 914 #if USE_BOOST_FORMAT
 915                 str << boost::format(_("Document %1$s inserted.")) % disp_fn;
 916 #else
 917                 str << _("Document ") << disp_fn << _(" inserted.");
 918 #endif
 919                 owner_->message(STRCONV(str.str()));
 920         } else {
 921                 ostringstream str;
 922 #if USE_BOOST_FORMAT
 923                 str << boost::format(_("Could not insert document %1$s")) % disp_fn;
 924 #else
 925                 str << _("Could not insert document ") << disp_fn;
 926 #endif
 927                 owner_->message(STRCONV(str.str()));
 928         }
 929 }
 930
 931
 932 void BufferView::Pimpl::trackChanges()
 933 {
 934         Buffer * buf(bv_->buffer());
 935         bool const tracking(buf->params.tracking_changes);
 936
 937         if (!tracking) {
 938                 ParIterator const end = buf->par_iterator_end();
 939                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it) {
 940                         (*it)->trackChanges();
 941                 }
 942                 buf->params.tracking_changes = true;
 943
 944                 // we cannot allow undos beyond the freeze point
 945                 buf->undostack.clear();
 946         } else {
 947                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 948                 bv_->text->setCursor(bv_, &(*buf->paragraphs.begin()), 0);
 949 #warning changes FIXME
 950                 //moveCursorUpdate(false);
 951
 952                 bool found = lyxfind::findNextChange(bv_);
 953                 if (found) {
 954                         owner_->getDialogs().showMergeChanges();
 955                         return;
 956                 }
 957
 958                 ParIterator const end = buf->par_iterator_end();
 959                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it) {
 960                         (*it)->untrackChanges();
 961                 }
 962                 buf->params.tracking_changes = false;
 963         }
 964
 965         buf->redostack.clear();
 966 }
 967
 968
 969 bool BufferView::Pimpl::dispatch(FuncRequest const & ev)
 970 {
 971         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch:"
 972                 << " action[" << ev.action << ']'
 973                 << " arg[" << ev.argument << ']'
 974                 << " x[" << ev.x << ']'
 975                 << " y[" << ev.y << ']'
 976                 << " button[" << ev.button() << ']'
 977                 << endl;
 978
 979         // e.g. Qt mouse press when no buffer
 980         if (!buffer_)
 981                 return false;
 982
 983         LyXTextClass const & tclass = buffer_->params.getLyXTextClass();
 984
 985         switch (ev.action) {
 986
 987         case LFUN_SCROLL_INSET:
 988                 // this is not handled here as this function is only active
 989                 // if we have a locking_inset and that one is (or contains)
 990                 // a tabular-inset
 991                 break;
 992
 993         case LFUN_INSET_GRAPHICS:
 994         {
 995                 Inset * new_inset = new InsetGraphics;
 996                 if (!insertInset(new_inset)) {
 997                         delete new_inset;
 998                 } else {
 999                         // this is need because you don't use a inset->Edit()
1000                         updateInset(new_inset, true);
1001                         new_inset->edit(bv_);
1002                 }
1003                 break;
1004         }
1005
1006         case LFUN_LAYOUT_COPY:
1007                 bv_->copyEnvironment();
1008                 break;
1009
1010         case LFUN_LAYOUT_PASTE:
1011                 bv_->pasteEnvironment();
1012                 switchKeyMap();
1013                 break;
1014
1015         case LFUN_DEPTH_MIN:
1016                 changeDepth(bv_, bv_->getLyXText(), -1);
1017                 break;
1018
1019         case LFUN_DEPTH_PLUS:
1020                 changeDepth(bv_, bv_->getLyXText(), 1);
1021                 break;
1022
1023         case LFUN_FREE:
1024                 owner_->getDialogs().setUserFreeFont();
1025                 break;
1026
1027         case LFUN_FILE_INSERT:
1028                 MenuInsertLyXFile(ev.argument);
1029                 break;
1030
1031         case LFUN_FILE_INSERT_ASCII_PARA:
1032                 InsertAsciiFile(bv_, ev.argument, true);
1033                 break;
1034
1035         case LFUN_FILE_INSERT_ASCII:
1036                 InsertAsciiFile(bv_, ev.argument, false);
1037                 break;
1038
1039         case LFUN_LANGUAGE:
1040                 lang(bv_, ev.argument);
1041                 switchKeyMap();
1042                 owner_->view_state_changed();
1043                 break;
1044
1045         case LFUN_EMPH:
1046                 emph(bv_);
1047                 owner_->view_state_changed();
1048                 break;
1049
1050         case LFUN_BOLD:
1051                 bold(bv_);
1052                 owner_->view_state_changed();
1053                 break;
1054
1055         case LFUN_NOUN:
1056                 noun(bv_);
1057                 owner_->view_state_changed();
1058                 break;
1059
1060         case LFUN_CODE:
1061                 code(bv_);
1062                 owner_->view_state_changed();
1063                 break;
1064
1065         case LFUN_SANS:
1066                 sans(bv_);
1067                 owner_->view_state_changed();
1068                 break;
1069
1070         case LFUN_ROMAN:
1071                 roman(bv_);
1072                 owner_->view_state_changed();
1073                 break;
1074
1075         case LFUN_DEFAULT:
1076                 styleReset(bv_);
1077                 owner_->view_state_changed();
1078                 break;
1079
1080         case LFUN_UNDERLINE:
1081                 underline(bv_);
1082                 owner_->view_state_changed();
1083                 break;
1084
1085         case LFUN_FONT_SIZE:
1086                 fontSize(bv_, ev.argument);
1087                 owner_->view_state_changed();
1088                 break;
1089
1090         case LFUN_FONT_STATE:
1091                 owner_->getLyXFunc().setMessage(currentState(bv_));
1092                 break;
1093
1094         case LFUN_INSERT_LABEL:
1095                 MenuInsertLabel(bv_, ev.argument);
1096                 break;
1097
1098         case LFUN_REF_INSERT:
1099                 if (ev.argument.empty()) {
1100                         InsetCommandParams p("ref");
1101                         owner_->getDialogs().createRef(p.getAsString());
1102                 } else {
1103                         InsetCommandParams p;
1104                         p.setFromString(ev.argument);
1105
1106                         InsetRef * inset = new InsetRef(p, *buffer_);
1107                         if (!insertInset(inset))
1108                                 delete inset;
1109                         else
1110                                 updateInset(inset, true);
1111                 }
1112                 break;
1113
1114         case LFUN_BOOKMARK_SAVE:
1115                 savePosition(strToUnsignedInt(ev.argument));
1116                 break;
1117
1118         case LFUN_BOOKMARK_GOTO:
1119                 restorePosition(strToUnsignedInt(ev.argument));
1120                 break;
1121
1122         case LFUN_REF_GOTO:
1123         {
1124                 string label = ev.argument;
1125                 if (label.empty()) {
1126                         InsetRef * inset =
1127                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1128                         if (inset) {
1129                                 label = inset->getContents();
1130                                 savePosition(0);
1131                         }
1132                 }
1133
1134                 if (!label.empty()) {
1135                         //bv_->savePosition(0);
1136                         if (!bv_->gotoLabel(label))
1137                                 Alert::alert(_("Error"),
1138                                            _("Couldn't find this label"),
1139                                            _("in current document."));
1140                 }
1141         }
1142         break;
1143
1144         // --- accented characters ---------------------------
1145
1146         case LFUN_UMLAUT:
1147         case LFUN_CIRCUMFLEX:
1148         case LFUN_GRAVE:
1149         case LFUN_ACUTE:
1150         case LFUN_TILDE:
1151         case LFUN_CEDILLA:
1152         case LFUN_MACRON:
1153         case LFUN_DOT:
1154         case LFUN_UNDERDOT:
1155         case LFUN_UNDERBAR:
1156         case LFUN_CARON:
1157         case LFUN_SPECIAL_CARON:
1158         case LFUN_BREVE:
1159         case LFUN_TIE:
1160         case LFUN_HUNG_UMLAUT:
1161         case LFUN_CIRCLE:
1162         case LFUN_OGONEK:
1163                 if (ev.argument.empty()) {
1164                         // As always...
1165                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1166                 } else {
1167                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1168                         owner_->getIntl().getTransManager()
1169                                 .TranslateAndInsert(ev.argument[0], bv_->getLyXText());
1170                         update(bv_->getLyXText(),
1171                                BufferView::SELECT
1172                                | BufferView::FITCUR
1173                                | BufferView::CHANGE);
1174                 }
1175                 break;
1176
1177         case LFUN_MATH_MACRO:
1178         case LFUN_MATH_DELIM:
1179         case LFUN_INSERT_MATRIX:
1180         case LFUN_INSERT_MATH:
1181         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
1182         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
1183         case LFUN_MATH_MODE:             // Open or create an inlined math inset
1184         case LFUN_GREEK:                 // Insert a single greek letter
1185                 mathDispatch(FuncRequest(bv_, ev.action, ev.argument));
1186                 break;
1187
1188         case LFUN_CITATION_INSERT:
1189         {
1190                 InsetCommandParams p;
1191                 p.setFromString(ev.argument);
1192
1193                 InsetCitation * inset = new InsetCitation(p);
1194                 if (!insertInset(inset))
1195                         delete inset;
1196                 else {
1197                         inset->setLoadingBuffer(bv_->buffer(), false);
1198                         updateInset(inset, true);
1199                 }
1200
1201         }
1202         break;
1203
1204         case LFUN_INSERT_BIBTEX:
1205         {
1206                 // ale970405+lasgoutt970425
1207                 // The argument can be up to two tokens separated
1208                 // by a space. The first one is the bibstyle.
1209                 string const db = token(ev.argument, ' ', 0);
1210                 string bibstyle = token(ev.argument, ' ', 1);
1211                 if (bibstyle.empty())
1212                         bibstyle = "plain";
1213
1214                 InsetCommandParams p("BibTeX", db, bibstyle);
1215                 InsetBibtex * inset = new InsetBibtex(p);
1216
1217                 if (insertInset(inset)) {
1218                         if (ev.argument.empty())
1219                                 inset->edit(bv_);
1220                 } else
1221                         delete inset;
1222         }
1223         break;
1224
1225         // BibTeX data bases
1226         case LFUN_BIBDB_ADD:
1227         {
1228                 InsetBibtex * inset =
1229                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1230                 if (inset) {
1231                         inset->addDatabase(ev.argument);
1232                 }
1233         }
1234         break;
1235
1236         case LFUN_BIBDB_DEL:
1237         {
1238                 InsetBibtex * inset =
1239                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1240                 if (inset)
1241                         inset->delDatabase(ev.argument);
1242         }
1243         break;
1244
1245         case LFUN_BIBTEX_STYLE:
1246         {
1247                 InsetBibtex * inset =
1248                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1249                 if (inset)
1250                         inset->setOptions(ev.argument);
1251         }
1252         break;
1253
1254         case LFUN_CHILD_INSERT:
1255         {
1256                 InsetInclude::Params p;
1257                 if (!ev.argument.empty())
1258                         p.cparams.setFromString(ev.argument);
1259                 p.masterFilename_ = buffer_->fileName();
1260
1261                 InsetInclude * inset = new InsetInclude(p);
1262                 if (!insertInset(inset))
1263                         delete inset;
1264                 else {
1265                         updateInset(inset, true);
1266                         bv_->owner()->getDialogs().showInclude(inset);
1267                 }
1268         }
1269         break;
1270
1271         case LFUN_FLOAT_LIST:
1272                 if (tclass.floats().typeExist(ev.argument)) {
1273                         Inset * inset = new InsetFloatList(ev.argument);
1274                         if (!insertInset(inset, tclass.defaultLayoutName()))
1275                                 delete inset;
1276                 } else {
1277                         lyxerr << "Non-existent float type: "
1278                                << ev.argument << endl;
1279                 }
1280                 break;
1281
1282         case LFUN_THESAURUS_ENTRY:
1283         {
1284                 string arg = ev.argument;
1285
1286                 if (arg.empty()) {
1287                         arg = bv_->getLyXText()->selectionAsString(buffer_,
1288                                                                    false);
1289
1290                         // FIXME
1291                         if (arg.size() > 100 || arg.empty()) {
1292                                 // Get word or selection
1293                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
1294                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
1295                                 // FIXME: where is getLyXText()->unselect(bv_) ?
1296                         }
1297                 }
1298
1299                 bv_->owner()->getDialogs().showThesaurus(arg);
1300         }
1301                 break;
1302
1303         case LFUN_TRACK_CHANGES:
1304                 trackChanges();
1305                 break;
1306
1307         case LFUN_MERGE_CHANGES:
1308                 owner_->getDialogs().showMergeChanges();
1309                 break;
1310
1311         case LFUN_ACCEPT_ALL_CHANGES: {
1312                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1313                 bv_->text->setCursor(bv_, &(*bv_->buffer()->paragraphs.begin()), 0);
1314 #warning FIXME changes
1315                 //moveCursorUpdate(false);
1316
1317                 while (lyxfind::findNextChange(bv_)) {
1318                         bv_->getLyXText()->acceptChange(bv_);
1319                 }
1320                 update(bv_->text,
1321                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1322                 break;
1323         }
1324
1325         case LFUN_REJECT_ALL_CHANGES: {
1326                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1327                 bv_->text->setCursor(bv_, &(*bv_->buffer()->paragraphs.begin()), 0);
1328 #warning FIXME changes
1329                 //moveCursorUpdate(false);
1330
1331                 while (lyxfind::findNextChange(bv_)) {
1332                         bv_->getLyXText()->rejectChange(bv_);
1333                 }
1334                 update(bv_->text,
1335                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1336                 break;
1337         }
1338
1339         case LFUN_ACCEPT_CHANGE: {
1340                 bv_->getLyXText()->acceptChange(bv_);
1341                 update(bv_->text,
1342                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1343                 break;
1344         }
1345
1346         case LFUN_REJECT_CHANGE: {
1347                 bv_->getLyXText()->rejectChange(bv_);
1348                 update(bv_->text,
1349                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1350                 break;
1351         }
1352
1353         case LFUN_UNKNOWN_ACTION:
1354                 ev.errorMessage(N_("Unknown function!"));
1355                 break;
1356
1357         default:
1358                 return bv_->getLyXText()->dispatch(FuncRequest(ev, bv_));
1359         } // end of switch
1360
1361         return true;
1362 }
1363
1364
1365 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
1366 {
1367         // if we are in a locking inset we should try to insert the
1368         // inset there otherwise this is a illegal function now
1369         if (bv_->theLockingInset()) {
1370                 if (bv_->theLockingInset()->insetAllowed(inset))
1371                         return bv_->theLockingInset()->insertInset(bv_, inset);
1372                 return false;
1373         }
1374
1375         // not quite sure if we want this...
1376         setCursorParUndo(bv_);
1377         freezeUndo();
1378
1379         beforeChange(bv_->text);
1380         if (!lout.empty()) {
1381                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1382                 bv_->text->breakParagraph(bv_);
1383                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1384
1385                 if (!bv_->text->cursor.par()->empty()) {
1386                         bv_->text->cursorLeft(bv_);
1387
1388                         bv_->text->breakParagraph(bv_);
1389                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1390                 }
1391
1392                 string lres = lout;
1393                 LyXTextClass const & tclass =
1394                         buffer_->params.getLyXTextClass();
1395                 bool hasLayout = tclass.hasLayout(lres);
1396                 string lay = tclass.defaultLayoutName();
1397
1398                 if (hasLayout != false) {
1399                         // layout found
1400                         lay = lres;
1401                 } else {
1402                         // layout not fount using default
1403                         lay = tclass.defaultLayoutName();
1404                 }
1405
1406                 bv_->text->setLayout(bv_, lay);
1407
1408                 bv_->text->setParagraph(bv_, 0, 0,
1409                                    0, 0,
1410                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
1411                                    Spacing(),
1412                                    LYX_ALIGN_LAYOUT,
1413                                    string(),
1414                                    0);
1415                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1416         }
1417
1418         bv_->text->insertInset(bv_, inset);
1419         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1420
1421         unFreezeUndo();
1422         return true;
1423 }
1424
1425
1426 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
1427 {
1428         if (!inset || !available())
1429                 return;
1430
1431         // first check for locking insets
1432         if (bv_->theLockingInset()) {
1433                 if (bv_->theLockingInset() == inset) {
1434                         if (bv_->text->updateInset(bv_, inset)) {
1435                                 update();
1436                                 if (mark_dirty) {
1437                                         buffer_->markDirty();
1438                                 }
1439                                 updateScrollbar();
1440                                 return;
1441                         }
1442                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
1443                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
1444                                 update();
1445                                 if (mark_dirty) {
1446                                         buffer_->markDirty();
1447                                 }
1448                                 updateScrollbar();
1449                                 return;
1450                         }
1451                 }
1452         }
1453
1454         // then check if the inset is a top_level inset (has no owner)
1455         // if yes do the update as always otherwise we have to update the
1456         // toplevel inset where this inset is inside
1457         Inset * tl_inset = inset;
1458         while (tl_inset->owner())
1459                 tl_inset = tl_inset->owner();
1460         hideCursor();
1461         if (tl_inset == inset) {
1462                 update(bv_->text, BufferView::UPDATE);
1463                 if (bv_->text->updateInset(bv_, inset)) {
1464                         if (mark_dirty) {
1465                                 update(bv_->text,
1466                                        BufferView::SELECT
1467                                        | BufferView::FITCUR
1468                                        | BufferView::CHANGE);
1469                         } else {
1470                                 update(bv_->text, SELECT);
1471                         }
1472                         return;
1473                 }
1474         } else if (static_cast<UpdatableInset *>(tl_inset)
1475                            ->updateInsetInInset(bv_, inset))
1476         {
1477                 if (bv_->text->updateInset(bv_, tl_inset)) {
1478                         update();
1479                         updateScrollbar();
1480                 }
1481         }
1482 }