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/insetbib.h"
  44 #include "insets/insettext.h"
  45 #include "insets/insetlatexaccent.h"
  46 #include "insets/insettoc.h"
  47 #include "insets/insetindex.h"
  48 #include "insets/insetref.h"
  49 #include "insets/insetinclude.h"
  50 #include "insets/insetcite.h"
  51 #include "insets/insetgraphics.h"
  52 #include "insets/insetmarginal.h"
  53 #include "insets/insetfloatlist.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 (bufferlist.getState() == BufferList::CLOSING) return;
 174
 175         // if we are closing the buffer, use the first buffer as current
 176         if (!buffer_) {
 177                 buffer_ = bufferlist.first();
 178         }
 179
 180         if (buffer_) {
 181                 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
 182                 buffer_->addUser(bv_);
 183
 184                 // If we don't have a text object for this, we make one
 185                 if (bv_->text == 0) {
 186                         resizeCurrentBuffer();
 187                 }
 188
 189                 // FIXME: needed when ?
 190                 bv_->text->first_y =
 191                         screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 192
 193                 // Similarly, buffer-dependent dialogs should be updated or
 194                 // hidden. This should go here because some dialogs (eg ToC)
 195                 // require bv_->text.
 196                 owner_->getDialogs().updateBufferDependent(true);
 197         } else {
 198                 lyxerr[Debug::INFO] << "  No Buffer!" << endl;
 199                 owner_->getDialogs().hideBufferDependent();
 200
 201                 // Also remove all remaining text's from the testcache.
 202                 // (there should not be any!) (if there is any it is a
 203                 // bug!)
 204                 if (lyxerr.debugging())
 205                         textcache.show(lyxerr, "buffer delete all");
 206                 textcache.clear();
 207         }
 208
 209         repaint();
 210         updateScrollbar();
 211         owner_->updateMenubar();
 212         owner_->updateToolbar();
 213         owner_->updateLayoutChoice();
 214         owner_->updateWindowTitle();
 215
 216         if (grfx::Previews::activated() && buffer_)
 217                 grfx::Previews::get().generateBufferPreviews(*buffer_);
 218 }
 219
 220
 221 bool BufferView::Pimpl::fitCursor()
 222 {
 223         bool ret;
 224
 225         if (bv_->theLockingInset()) {
 226                 bv_->theLockingInset()->fitInsetCursor(bv_);
 227                 ret = true;
 228         } else {
 229                 ret = screen().fitCursor(bv_->text, bv_);
 230         }
 231
 232         bv_->owner()->getDialogs().updateParagraph();
 233         if (ret)
 234                 updateScrollbar();
 235         return ret;
 236 }
 237
 238
 239 void BufferView::Pimpl::redoCurrentBuffer()
 240 {
 241         lyxerr[Debug::INFO] << "BufferView::redoCurrentBuffer" << endl;
 242         if (buffer_ && bv_->text) {
 243                 resizeCurrentBuffer();
 244                 updateScrollbar();
 245                 owner_->updateLayoutChoice();
 246                 repaint();
 247         }
 248 }
 249
 250
 251 int BufferView::Pimpl::resizeCurrentBuffer()
 252 {
 253         lyxerr[Debug::INFO] << "resizeCurrentBuffer" << endl;
 254
 255         Paragraph * par = 0;
 256         Paragraph * selstartpar = 0;
 257         Paragraph * selendpar = 0;
 258         UpdatableInset * the_locking_inset = 0;
 259
 260         pos_type pos = 0;
 261         pos_type selstartpos = 0;
 262         pos_type selendpos = 0;
 263         bool selection = false;
 264         bool mark_set  = false;
 265
 266         owner_->prohibitInput();
 267
 268         owner_->message(_("Formatting document..."));
 269
 270         if (bv_->text) {
 271                 par = bv_->text->cursor.par();
 272                 pos = bv_->text->cursor.pos();
 273                 selstartpar = bv_->text->selection.start.par();
 274                 selstartpos = bv_->text->selection.start.pos();
 275                 selendpar = bv_->text->selection.end.par();
 276                 selendpos = bv_->text->selection.end.pos();
 277                 selection = bv_->text->selection.set();
 278                 mark_set = bv_->text->selection.mark();
 279                 the_locking_inset = bv_->theLockingInset();
 280                 buffer_->resizeInsets(bv_);
 281                 // I don't think the delete and new are necessary here we just could
 282                 // call only init! (Jug 20020419)
 283                 delete bv_->text;
 284                 bv_->text = new LyXText(bv_);
 285                 bv_->text->init(bv_);
 286         } else {
 287                 // See if we have a text in TextCache that fits
 288                 // the new buffer_ with the correct width.
 289                 bv_->text = textcache.findFit(buffer_, workarea().workWidth());
 290                 if (bv_->text) {
 291                         if (lyxerr.debugging()) {
 292                                 lyxerr << "Found a LyXText that fits:\n";
 293                                 textcache.show(lyxerr, make_pair(buffer_, make_pair(workarea().workWidth(), bv_->text)));
 294                         }
 295                         // Set the owner of the newly found text
 296                         //      bv_->text->owner(bv_);
 297                         if (lyxerr.debugging())
 298                                 textcache.show(lyxerr, "resizeCurrentBuffer");
 299
 300                         buffer_->resizeInsets(bv_);
 301                 } else {
 302                         bv_->text = new LyXText(bv_);
 303                         bv_->text->init(bv_);
 304                         //buffer_->resizeInsets(bv_);
 305                 }
 306         }
 307
 308         if (par) {
 309                 bv_->text->selection.set(true);
 310                 // At this point just to avoid the Delete-Empty-Paragraph-
 311                 // Mechanism when setting the cursor.
 312                 bv_->text->selection.mark(mark_set);
 313                 if (selection) {
 314                         bv_->text->setCursor(bv_, selstartpar, selstartpos);
 315                         bv_->text->selection.cursor = bv_->text->cursor;
 316                         bv_->text->setCursor(bv_, selendpar, selendpos);
 317                         bv_->text->setSelection(bv_);
 318                         bv_->text->setCursor(bv_, par, pos);
 319                 } else {
 320                         bv_->text->setCursor(bv_, par, pos);
 321                         bv_->text->selection.cursor = bv_->text->cursor;
 322                         bv_->text->selection.set(false);
 323                 }
 324                 // remake the inset locking
 325                 bv_->theLockingInset(the_locking_inset);
 326         }
 327
 328         bv_->text->first_y = screen().topCursorVisible(bv_->text->cursor, bv_->text->first_y);
 329
 330         switchKeyMap();
 331         owner_->allowInput();
 332
 333         updateScrollbar();
 334
 335         return 0;
 336 }
 337
 338
 339 void BufferView::Pimpl::repaint()
 340 {
 341         // Regenerate the screen.
 342         screen().redraw(bv_->text, bv_);
 343 }
 344
 345
 346 void BufferView::Pimpl::updateScrollbar()
 347 {
 348         if (!bv_->text) {
 349                 lyxerr[Debug::GUI] << "no text in updateScrollbar" << endl;
 350                 workarea().setScrollbarParams(0, 0, 0);
 351                 return;
 352         }
 353
 354         LyXText const & t = *bv_->text;
 355
 356         lyxerr[Debug::GUI] << "Updating scrollbar: h " << t.height << ", first_y "
 357                 << t.first_y << ", default height " << defaultRowHeight() << endl;
 358
 359         workarea().setScrollbarParams(t.height, t.first_y, defaultRowHeight());
 360 }
 361
 362
 363 void BufferView::Pimpl::scrollDocView(int value)
 364 {
 365         lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
 366
 367         if (!buffer_)
 368                 return;
 369
 370         screen().draw(bv_->text, bv_, value);
 371
 372         if (!lyxrc.cursor_follows_scrollbar)
 373                 return;
 374
 375         LyXText * vbt = bv_->text;
 376
 377         int const height = defaultRowHeight();
 378         int const first = static_cast<int>((bv_->text->first_y + height));
 379         int const last = static_cast<int>((bv_->text->first_y + workarea().workHeight() - height));
 380
 381         if (vbt->cursor.y() < first)
 382                 vbt->setCursorFromCoordinates(bv_, 0, first);
 383         else if (vbt->cursor.y() > last)
 384                 vbt->setCursorFromCoordinates(bv_, 0, last);
 385 }
 386
 387
 388 void BufferView::Pimpl::scroll(int lines)
 389 {
 390         if (!buffer_) {
 391                 return;
 392         }
 393
 394         LyXText const * t = bv_->text;
 395         int const line_height = defaultRowHeight();
 396
 397         // The new absolute coordinate
 398         int new_first_y = t->first_y + lines * line_height;
 399
 400         // Restrict to a valid value
 401         new_first_y = std::min(t->height - 4 * line_height, new_first_y);
 402         new_first_y = std::max(0, new_first_y);
 403
 404         scrollDocView(new_first_y);
 405
 406         // Update the scrollbar.
 407         workarea().setScrollbarParams(t->height, t->first_y, defaultRowHeight());
 408 }
 409
 410
 411 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 412                                          key_modifier::state state)
 413 {
 414         bv_->owner()->getLyXFunc().processKeySym(key, state);
 415 }
 416
 417
 418 void BufferView::Pimpl::selectionRequested()
 419 {
 420         static string sel;
 421
 422         if (!available())
 423                 return;
 424
 425         LyXText * text = bv_->getLyXText();
 426
 427         if (text->selection.set() &&
 428                 (!bv_->text->xsel_cache.set() ||
 429                  text->selection.start != bv_->text->xsel_cache.start ||
 430                  text->selection.end != bv_->text->xsel_cache.end))
 431         {
 432                 bv_->text->xsel_cache = text->selection;
 433                 sel = text->selectionAsString(bv_->buffer(), false);
 434         } else if (!text->selection.set()) {
 435                 sel = string();
 436                 bv_->text->xsel_cache.set(false);
 437         }
 438         if (!sel.empty()) {
 439                 workarea().putClipboard(sel);
 440         }
 441 }
 442
 443
 444 void BufferView::Pimpl::selectionLost()
 445 {
 446         if (available()) {
 447                 hideCursor();
 448                 toggleSelection();
 449                 bv_->getLyXText()->clearSelection();
 450                 showCursor();
 451                 bv_->text->xsel_cache.set(false);
 452         }
 453 }
 454
 455
 456 void BufferView::Pimpl::workAreaResize()
 457 {
 458         static int work_area_width;
 459         static int work_area_height;
 460
 461         bool const widthChange = workarea().workWidth() != work_area_width;
 462         bool const heightChange = workarea().workHeight() != work_area_height;
 463
 464         // update from work area
 465         work_area_width = workarea().workWidth();
 466         work_area_height = workarea().workHeight();
 467
 468         if (buffer_ != 0) {
 469                 if (widthChange) {
 470                         // The visible LyXView need a resize
 471                         resizeCurrentBuffer();
 472
 473                         // Remove all texts from the textcache
 474                         // This is not _really_ what we want to do. What
 475                         // we really want to do is to delete in textcache
 476                         // that does not have a BufferView with matching
 477                         // width, but as long as we have only one BufferView
 478                         // deleting all gives the same result.
 479                         if (lyxerr.debugging())
 480                                 textcache.show(lyxerr, "Expose delete all");
 481                         textcache.clear();
 482                         // FIXME: this is already done in resizeCurrentBuffer() ??
 483                         buffer_->resizeInsets(bv_);
 484                 } else if (heightChange) {
 485                         // fitCursor() ensures we don't jump back
 486                         // to the start of the document on vertical
 487                         // resize
 488                         fitCursor();
 489                 }
 490         }
 491
 492         if (widthChange || heightChange) {
 493                 repaint();
 494         }
 495
 496         // always make sure that the scrollbar is sane.
 497         updateScrollbar();
 498         owner_->updateLayoutChoice();
 499         return;
 500 }
 501
 502
 503 void BufferView::Pimpl::update()
 504 {
 505         if (!bv_->theLockingInset() || !bv_->theLockingInset()->nodraw()) {
 506                 LyXText::text_status st = bv_->text->status();
 507                 screen().update(bv_->text, bv_);
 508                 bool fitc = false;
 509                 while (bv_->text->status() == LyXText::CHANGED_IN_DRAW) {
 510                         bv_->text->fullRebreak(bv_);
 511                         st = LyXText::NEED_MORE_REFRESH;
 512                         bv_->text->setCursor(bv_, bv_->text->cursor.par(),
 513                                              bv_->text->cursor.pos());
 514                         if (bv_->text->selection.set()) {
 515                                 bv_->text->setCursor(bv_, bv_->text->selection.start,
 516                                                      bv_->text->selection.start.par(),
 517                                                      bv_->text->selection.start.pos());
 518                                 bv_->text->setCursor(bv_, bv_->text->selection.end,
 519                                                      bv_->text->selection.end.par(),
 520                                                      bv_->text->selection.end.pos());
 521                         }
 522                         fitc = true;
 523                         bv_->text->status(bv_, st);
 524                         screen().update(bv_->text, bv_);
 525                 }
 526                 // do this here instead of in the screen::update because of
 527                 // the above loop!
 528                 bv_->text->status(bv_, LyXText::UNCHANGED);
 529                 if (fitc)
 530                         fitCursor();
 531         }
 532 }
 533
 534 // Values used when calling update:
 535 // -3 - update
 536 // -2 - update, move sel_cursor if selection, fitcursor
 537 // -1 - update, move sel_cursor if selection, fitcursor, mark dirty
 538 //  0 - update, move sel_cursor if selection, fitcursor
 539 //  1 - update, move sel_cursor if selection, fitcursor, mark dirty
 540 //  3 - update, move sel_cursor if selection
 541 //
 542 // update -
 543 // a simple redraw of the parts that need refresh
 544 //
 545 // move sel_cursor if selection -
 546 // the text's sel_cursor is moved if there is selection is progress
 547 //
 548 // fitcursor -
 549 // fitCursor() is called and the scrollbar updated
 550 //
 551 // mark dirty -
 552 // the buffer is marked dirty.
 553 //
 554 // enum {
 555 //       UPDATE = 0,
 556 //       SELECT = 1,
 557 //       FITCUR = 2,
 558 //       CHANGE = 4
 559 // };
 560 //
 561 // UPDATE_ONLY = UPDATE;
 562 // UPDATE_SELECT = UPDATE | SELECT;
 563 // UPDATE_SELECT_MOVE = UPDATE | SELECT | FITCUR;
 564 // UPDATE_SELECT_MOVE_AFTER_CHANGE = UPDATE | SELECT | FITCUR | CHANGE;
 565 //
 566 // update(-3) -> update(0)         -> update(0) -> update(UPDATE)
 567 // update(-2) -> update(1 + 2)     -> update(3) -> update(SELECT|FITCUR)
 568 // update(-1) -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 569 // update(1)  -> update(1 + 2 + 4) -> update(7) -> update(SELECT|FITCUR|CHANGE)
 570 // update(3)  -> update(1)         -> update(1) -> update(SELECT)
 571
 572 void BufferView::Pimpl::update(LyXText * text, BufferView::UpdateCodes f)
 573 {
 574         owner_->updateLayoutChoice();
 575
 576         if (!text->selection.set() && (f & SELECT)) {
 577                 text->selection.cursor = text->cursor;
 578         }
 579
 580         text->fullRebreak(bv_);
 581
 582         if (text->inset_owner) {
 583                 text->inset_owner->setUpdateStatus(bv_, InsetText::NONE);
 584                 updateInset(text->inset_owner, false);
 585         } else {
 586                 update();
 587         }
 588
 589         if ((f & FITCUR)) {
 590                 fitCursor();
 591         }
 592
 593         if ((f & CHANGE)) {
 594                 buffer_->markDirty();
 595         }
 596 }
 597
 598
 599 // Callback for cursor timer
 600 void BufferView::Pimpl::cursorToggle()
 601 {
 602         if (!buffer_) {
 603                 cursor_timeout.restart();
 604                 return;
 605         }
 606
 607         if (!bv_->theLockingInset()) {
 608                 screen().cursorToggle(bv_);
 609         } else {
 610                 bv_->theLockingInset()->toggleInsetCursor(bv_);
 611         }
 612
 613         cursor_timeout.restart();
 614 }
 615
 616
 617 bool BufferView::Pimpl::available() const
 618 {
 619         if (buffer_ && bv_->text)
 620                 return true;
 621         return false;
 622 }
 623
 624
 625 Change const BufferView::Pimpl::getCurrentChange()
 626 {
 627         if (!bv_->buffer()->params.tracking_changes)
 628                 return Change(Change::UNCHANGED);
 629
 630         LyXText * t(bv_->getLyXText());
 631
 632         if (!t->selection.set())
 633                 return Change(Change::UNCHANGED);
 634
 635         LyXCursor const & cur(t->selection.start);
 636         return cur.par()->lookupChangeFull(cur.pos());
 637 }
 638
 639
 640 void BufferView::Pimpl::beforeChange(LyXText * text)
 641 {
 642         toggleSelection();
 643         text->clearSelection();
 644 }
 645
 646
 647 void BufferView::Pimpl::savePosition(unsigned int i)
 648 {
 649         if (i >= saved_positions_num)
 650                 return;
 651         saved_positions[i] = Position(buffer_->fileName(),
 652                                       bv_->text->cursor.par()->id(),
 653                                       bv_->text->cursor.pos());
 654         if (i > 0) {
 655                 ostringstream str;
 656 #if USE_BOOST_FORMAT
 657                 str << boost::format(_("Saved bookmark %1$d")) % i;
 658 #else
 659                 str << _("Saved bookmark ") << i;
 660 #endif
 661                 owner_->message(STRCONV(str.str()));
 662         }
 663 }
 664
 665
 666 void BufferView::Pimpl::restorePosition(unsigned int i)
 667 {
 668         if (i >= saved_positions_num)
 669                 return;
 670
 671         string const fname = saved_positions[i].filename;
 672
 673         beforeChange(bv_->text);
 674
 675         if (fname != buffer_->fileName()) {
 676                 Buffer * b = bufferlist.exists(fname) ?
 677                         bufferlist.getBuffer(fname) :
 678                         bufferlist.loadLyXFile(fname); // don't ask, just load it
 679                 if (b != 0) buffer(b);
 680         }
 681
 682         Paragraph * par = buffer_->getParFromID(saved_positions[i].par_id);
 683         if (!par)
 684                 return;
 685
 686         bv_->text->setCursor(bv_, par,
 687                              min(par->size(), saved_positions[i].par_pos));
 688
 689         update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 690         if (i > 0) {
 691                 ostringstream str;
 692 #if USE_BOOST_FORMAT
 693                 str << boost::format(_("Moved to bookmark %1$d")) % i;
 694 #else
 695                 str << _("Moved to bookmark ") << i;
 696 #endif
 697                 owner_->message(STRCONV(str.str()));
 698         }
 699 }
 700
 701
 702 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
 703 {
 704         if (i >= saved_positions_num)
 705                 return false;
 706
 707         return !saved_positions[i].filename.empty();
 708 }
 709
 710
 711 void BufferView::Pimpl::switchKeyMap()
 712 {
 713         if (!lyxrc.rtl_support)
 714                 return;
 715
 716         LyXText * text = bv_->getLyXText();
 717         if (text->real_current_font.isRightToLeft()
 718             && !(bv_->theLockingInset()
 719                  && bv_->theLockingInset()->lyxCode() == Inset::ERT_CODE))
 720         {
 721                 if (owner_->getIntl().keymap == Intl::PRIMARY)
 722                         owner_->getIntl().KeyMapSec();
 723         } else {
 724                 if (owner_->getIntl().keymap == Intl::SECONDARY)
 725                         owner_->getIntl().KeyMapPrim();
 726         }
 727 }
 728
 729
 730 void BufferView::Pimpl::insetUnlock()
 731 {
 732         if (bv_->theLockingInset()) {
 733                 bv_->theLockingInset()->insetUnlock(bv_);
 734                 bv_->theLockingInset(0);
 735                 finishUndo();
 736         }
 737 }
 738
 739
 740 void BufferView::Pimpl::showCursor()
 741 {
 742         if (bv_->theLockingInset())
 743                 bv_->theLockingInset()->showInsetCursor(bv_);
 744         else
 745                 screen().showCursor(bv_->text, bv_);
 746 }
 747
 748
 749 void BufferView::Pimpl::hideCursor()
 750 {
 751         if (!bv_->theLockingInset())
 752                 screen().hideCursor();
 753 }
 754
 755
 756 void BufferView::Pimpl::toggleSelection(bool b)
 757 {
 758         if (bv_->theLockingInset())
 759                 bv_->theLockingInset()->toggleSelection(bv_, b);
 760         screen().toggleSelection(bv_->text, bv_, b);
 761 }
 762
 763
 764 void BufferView::Pimpl::toggleToggle()
 765 {
 766         screen().toggleToggle(bv_->text, bv_);
 767 }
 768
 769
 770 void BufferView::Pimpl::center()
 771 {
 772         LyXText * t = bv_->text;
 773
 774         beforeChange(t);
 775         int const half_height = workarea().workHeight() / 2;
 776         int new_y = 0;
 777
 778         if (t->cursor.y() > half_height) {
 779                 new_y = t->cursor.y() - half_height;
 780         }
 781
 782         // FIXME: can we do this w/o calling screen directly ?
 783         // This updates first_y but means the fitCursor() call
 784         // from the update(FITCUR) doesn't realise that we might
 785         // have moved (e.g. from GOTOPARAGRAPH), so doesn't cause
 786         // the scrollbar to be updated as it should, so we have
 787         // to do it manually. Any operation that does a center()
 788         // and also might have moved first_y must make sure to call
 789         // updateScrollbar() currently. Never mind that this is a
 790         // pretty obfuscated way of updating t->first_y
 791         screen().draw(t, bv_, new_y);
 792
 793         update(t, BufferView::SELECT | BufferView::FITCUR);
 794 }
 795
 796
 797 void BufferView::Pimpl::stuffClipboard(string const & stuff) const
 798 {
 799         workarea().putClipboard(stuff);
 800 }
 801
 802
 803 /*
 804  * Dispatch functions for actions which can be valid for BufferView->text
 805  * and/or InsetText->text!!!
 806  */
 807
 808
 809 Inset * BufferView::Pimpl::getInsetByCode(Inset::Code code)
 810 {
 811 #if 0
 812         LyXCursor cursor = bv_->getLyXText()->cursor;
 813         Buffer::inset_iterator it =
 814                 find_if(Buffer::inset_iterator(
 815                         cursor.par(), cursor.pos()),
 816                         buffer_->inset_iterator_end(),
 817                         lyx::compare_memfun(&Inset::lyxCode, code));
 818         return it != buffer_->inset_iterator_end() ? (*it) : 0;
 819 #else
 820         // Ok, this is a little bit too brute force but it
 821         // should work for now. Better infrastructure is comming. (Lgb)
 822
 823         Buffer * b = bv_->buffer();
 824         LyXCursor cursor = bv_->getLyXText()->cursor;
 825
 826         Buffer::inset_iterator beg = b->inset_iterator_begin();
 827         Buffer::inset_iterator end = b->inset_iterator_end();
 828
 829         bool cursor_par_seen = false;
 830
 831         for (; beg != end; ++beg) {
 832                 if (beg.getPar() == cursor.par()) {
 833                         cursor_par_seen = true;
 834                 }
 835                 if (cursor_par_seen) {
 836                         if (beg.getPar() == cursor.par()
 837                             && beg.getPos() >= cursor.pos()) {
 838                                 break;
 839                         } else if (beg.getPar() != cursor.par()) {
 840                                 break;
 841                         }
 842                 }
 843
 844         }
 845         if (beg != end) {
 846                 // Now find the first inset that matches code.
 847                 for (; beg != end; ++beg) {
 848                         if (beg->lyxCode() == code) {
 849                                 return &(*beg);
 850                         }
 851                 }
 852         }
 853         return 0;
 854 #endif
 855 }
 856
 857
 858 void BufferView::Pimpl::MenuInsertLyXFile(string const & filen)
 859 {
 860         string filename = filen;
 861
 862         if (filename.empty()) {
 863                 // Launch a file browser
 864                 string initpath = lyxrc.document_path;
 865
 866                 if (available()) {
 867                         string const trypath = owner_->buffer()->filePath();
 868                         // If directory is writeable, use this as default.
 869                         if (IsDirWriteable(trypath))
 870                                 initpath = trypath;
 871                 }
 872
 873                 FileDialog fileDlg(bv_->owner(),
 874                                    _("Select LyX document to insert"),
 875                         LFUN_FILE_INSERT,
 876                         make_pair(string(_("Documents|#o#O")),
 877                                   string(lyxrc.document_path)),
 878                         make_pair(string(_("Examples|#E#e")),
 879                                   string(AddPath(system_lyxdir, "examples"))));
 880
 881                 FileDialog::Result result =
 882                         fileDlg.open(initpath,
 883                                        _("*.lyx| LyX Documents (*.lyx)"));
 884
 885                 if (result.first == FileDialog::Later)
 886                         return;
 887
 888                 filename = result.second;
 889
 890                 // check selected filename
 891                 if (filename.empty()) {
 892                         owner_->message(_("Canceled."));
 893                         return;
 894                 }
 895         }
 896
 897         // get absolute path of file and add ".lyx" to the filename if
 898         // necessary
 899         filename = FileSearch(string(), filename, "lyx");
 900
 901         string const disp_fn(MakeDisplayPath(filename));
 902
 903         ostringstream s1;
 904 #if USE_BOOST_FORMAT
 905         s1 << boost::format(_("Inserting document %1$s...")) % disp_fn;
 906 #else
 907         s1 << _("Inserting document ") << disp_fn << _("...");
 908 #endif
 909         owner_->message(STRCONV(s1.str()));
 910         bool const res = bv_->insertLyXFile(filename);
 911         if (res) {
 912                 ostringstream str;
 913 #if USE_BOOST_FORMAT
 914                 str << boost::format(_("Document %1$s inserted.")) % disp_fn;
 915 #else
 916                 str << _("Document ") << disp_fn << _(" inserted.");
 917 #endif
 918                 owner_->message(STRCONV(str.str()));
 919         } else {
 920                 ostringstream str;
 921 #if USE_BOOST_FORMAT
 922                 str << boost::format(_("Could not insert document %1$s")) % disp_fn;
 923 #else
 924                 str << _("Could not insert document ") << disp_fn;
 925 #endif
 926                 owner_->message(STRCONV(str.str()));
 927         }
 928 }
 929
 930
 931 void BufferView::Pimpl::trackChanges()
 932 {
 933         Buffer * buf(bv_->buffer());
 934         bool const tracking(buf->params.tracking_changes);
 935
 936         if (!tracking) {
 937                 ParIterator const end = buf->par_iterator_end();
 938                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it) {
 939                         (*it)->trackChanges();
 940                 }
 941                 buf->params.tracking_changes = true;
 942
 943                 // we cannot allow undos beyond the freeze point
 944                 buf->undostack.clear();
 945         } else {
 946                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
 947                 bv_->text->setCursor(bv_, &(*buf->paragraphs.begin()), 0);
 948 #warning changes FIXME
 949                 //moveCursorUpdate(false);
 950
 951                 bool found = lyxfind::findNextChange(bv_);
 952                 if (found) {
 953                         owner_->getDialogs().showMergeChanges();
 954                         return;
 955                 }
 956
 957                 ParIterator const end = buf->par_iterator_end();
 958                 for (ParIterator it = buf->par_iterator_begin(); it != end; ++it) {
 959                         (*it)->untrackChanges();
 960                 }
 961                 buf->params.tracking_changes = false;
 962         }
 963
 964         buf->redostack.clear();
 965 }
 966
 967
 968 bool BufferView::Pimpl::dispatch(FuncRequest const & ev)
 969 {
 970         lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch:"
 971                 << " action[" << ev.action << ']'
 972                 << " arg[" << ev.argument << ']'
 973                 << " x[" << ev.x << ']'
 974                 << " y[" << ev.y << ']'
 975                 << " button[" << ev.button() << ']'
 976                 << endl;
 977
 978         // e.g. Qt mouse press when no buffer
 979         if (!buffer_)
 980                 return false;
 981
 982         LyXTextClass const & tclass = buffer_->params.getLyXTextClass();
 983
 984         switch (ev.action) {
 985
 986         case LFUN_SCROLL_INSET:
 987                 // this is not handled here as this function is only active
 988                 // if we have a locking_inset and that one is (or contains)
 989                 // a tabular-inset
 990                 break;
 991
 992         case LFUN_INSET_GRAPHICS:
 993         {
 994                 Inset * new_inset = new InsetGraphics;
 995                 if (!insertInset(new_inset)) {
 996                         delete new_inset;
 997                 } else {
 998                         // this is need because you don't use a inset->Edit()
 999                         updateInset(new_inset, true);
1000                         new_inset->edit(bv_);
1001                 }
1002                 break;
1003         }
1004
1005         case LFUN_LAYOUT_COPY:
1006                 bv_->copyEnvironment();
1007                 break;
1008
1009         case LFUN_LAYOUT_PASTE:
1010                 bv_->pasteEnvironment();
1011                 switchKeyMap();
1012                 break;
1013
1014         case LFUN_DEPTH_MIN:
1015                 changeDepth(bv_, bv_->getLyXText(), -1);
1016                 break;
1017
1018         case LFUN_DEPTH_PLUS:
1019                 changeDepth(bv_, bv_->getLyXText(), 1);
1020                 break;
1021
1022         case LFUN_FREE:
1023                 owner_->getDialogs().setUserFreeFont();
1024                 break;
1025
1026         case LFUN_FILE_INSERT:
1027                 MenuInsertLyXFile(ev.argument);
1028                 break;
1029
1030         case LFUN_FILE_INSERT_ASCII_PARA:
1031                 InsertAsciiFile(bv_, ev.argument, true);
1032                 break;
1033
1034         case LFUN_FILE_INSERT_ASCII:
1035                 InsertAsciiFile(bv_, ev.argument, false);
1036                 break;
1037
1038         case LFUN_LANGUAGE:
1039                 lang(bv_, ev.argument);
1040                 switchKeyMap();
1041                 owner_->view_state_changed();
1042                 break;
1043
1044         case LFUN_EMPH:
1045                 emph(bv_);
1046                 owner_->view_state_changed();
1047                 break;
1048
1049         case LFUN_BOLD:
1050                 bold(bv_);
1051                 owner_->view_state_changed();
1052                 break;
1053
1054         case LFUN_NOUN:
1055                 noun(bv_);
1056                 owner_->view_state_changed();
1057                 break;
1058
1059         case LFUN_CODE:
1060                 code(bv_);
1061                 owner_->view_state_changed();
1062                 break;
1063
1064         case LFUN_SANS:
1065                 sans(bv_);
1066                 owner_->view_state_changed();
1067                 break;
1068
1069         case LFUN_ROMAN:
1070                 roman(bv_);
1071                 owner_->view_state_changed();
1072                 break;
1073
1074         case LFUN_DEFAULT:
1075                 styleReset(bv_);
1076                 owner_->view_state_changed();
1077                 break;
1078
1079         case LFUN_UNDERLINE:
1080                 underline(bv_);
1081                 owner_->view_state_changed();
1082                 break;
1083
1084         case LFUN_FONT_SIZE:
1085                 fontSize(bv_, ev.argument);
1086                 owner_->view_state_changed();
1087                 break;
1088
1089         case LFUN_FONT_STATE:
1090                 owner_->getLyXFunc().setMessage(currentState(bv_));
1091                 break;
1092
1093         case LFUN_INSERT_LABEL:
1094                 MenuInsertLabel(bv_, ev.argument);
1095                 break;
1096
1097         case LFUN_REF_INSERT:
1098                 if (ev.argument.empty()) {
1099                         InsetCommandParams p("ref");
1100                         owner_->getDialogs().createRef(p.getAsString());
1101                 } else {
1102                         InsetCommandParams p;
1103                         p.setFromString(ev.argument);
1104
1105                         InsetRef * inset = new InsetRef(p, *buffer_);
1106                         if (!insertInset(inset))
1107                                 delete inset;
1108                         else
1109                                 updateInset(inset, true);
1110                 }
1111                 break;
1112
1113         case LFUN_BOOKMARK_SAVE:
1114                 savePosition(strToUnsignedInt(ev.argument));
1115                 break;
1116
1117         case LFUN_BOOKMARK_GOTO:
1118                 restorePosition(strToUnsignedInt(ev.argument));
1119                 break;
1120
1121         case LFUN_REF_GOTO:
1122         {
1123                 string label = ev.argument;
1124                 if (label.empty()) {
1125                         InsetRef * inset =
1126                                 static_cast<InsetRef*>(getInsetByCode(Inset::REF_CODE));
1127                         if (inset) {
1128                                 label = inset->getContents();
1129                                 savePosition(0);
1130                         }
1131                 }
1132
1133                 if (!label.empty()) {
1134                         //bv_->savePosition(0);
1135                         if (!bv_->gotoLabel(label))
1136                                 Alert::alert(_("Error"),
1137                                            _("Couldn't find this label"),
1138                                            _("in current document."));
1139                 }
1140         }
1141         break;
1142
1143         // --- accented characters ---------------------------
1144
1145         case LFUN_UMLAUT:
1146         case LFUN_CIRCUMFLEX:
1147         case LFUN_GRAVE:
1148         case LFUN_ACUTE:
1149         case LFUN_TILDE:
1150         case LFUN_CEDILLA:
1151         case LFUN_MACRON:
1152         case LFUN_DOT:
1153         case LFUN_UNDERDOT:
1154         case LFUN_UNDERBAR:
1155         case LFUN_CARON:
1156         case LFUN_SPECIAL_CARON:
1157         case LFUN_BREVE:
1158         case LFUN_TIE:
1159         case LFUN_HUNG_UMLAUT:
1160         case LFUN_CIRCLE:
1161         case LFUN_OGONEK:
1162                 if (ev.argument.empty()) {
1163                         // As always...
1164                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1165                 } else {
1166                         owner_->getLyXFunc().handleKeyFunc(ev.action);
1167                         owner_->getIntl().getTransManager()
1168                                 .TranslateAndInsert(ev.argument[0], bv_->getLyXText());
1169                         update(bv_->getLyXText(),
1170                                BufferView::SELECT
1171                                | BufferView::FITCUR
1172                                | BufferView::CHANGE);
1173                 }
1174                 break;
1175
1176         case LFUN_MATH_MACRO:
1177         case LFUN_MATH_DELIM:
1178         case LFUN_INSERT_MATRIX:
1179         case LFUN_INSERT_MATH:
1180         case LFUN_MATH_IMPORT_SELECTION: // Imports LaTeX from the X selection
1181         case LFUN_MATH_DISPLAY:          // Open or create a displayed math inset
1182         case LFUN_MATH_MODE:             // Open or create an inlined math inset
1183         case LFUN_GREEK:                 // Insert a single greek letter
1184                 mathDispatch(FuncRequest(bv_, ev.action, ev.argument));
1185                 break;
1186
1187         case LFUN_CITATION_INSERT:
1188         {
1189                 InsetCommandParams p;
1190                 p.setFromString(ev.argument);
1191
1192                 InsetCitation * inset = new InsetCitation(p);
1193                 if (!insertInset(inset))
1194                         delete inset;
1195                 else {
1196                         inset->setLoadingBuffer(bv_->buffer(), false);
1197                         updateInset(inset, true);
1198                 }
1199
1200         }
1201         break;
1202
1203         case LFUN_INSERT_BIBTEX:
1204         {
1205                 // ale970405+lasgoutt970425
1206                 // The argument can be up to two tokens separated
1207                 // by a space. The first one is the bibstyle.
1208                 string const db = token(ev.argument, ' ', 0);
1209                 string bibstyle = token(ev.argument, ' ', 1);
1210                 if (bibstyle.empty())
1211                         bibstyle = "plain";
1212
1213                 InsetCommandParams p("BibTeX", db, bibstyle);
1214                 InsetBibtex * inset = new InsetBibtex(p);
1215
1216                 if (insertInset(inset)) {
1217                         if (ev.argument.empty())
1218                                 inset->edit(bv_);
1219                 } else
1220                         delete inset;
1221         }
1222         break;
1223
1224         // BibTeX data bases
1225         case LFUN_BIBDB_ADD:
1226         {
1227                 InsetBibtex * inset =
1228                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1229                 if (inset) {
1230                         inset->addDatabase(ev.argument);
1231                 }
1232         }
1233         break;
1234
1235         case LFUN_BIBDB_DEL:
1236         {
1237                 InsetBibtex * inset =
1238                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1239                 if (inset)
1240                         inset->delDatabase(ev.argument);
1241         }
1242         break;
1243
1244         case LFUN_BIBTEX_STYLE:
1245         {
1246                 InsetBibtex * inset =
1247                         static_cast<InsetBibtex*>(getInsetByCode(Inset::BIBTEX_CODE));
1248                 if (inset)
1249                         inset->setOptions(ev.argument);
1250         }
1251         break;
1252
1253         case LFUN_CHILD_INSERT:
1254         {
1255                 InsetInclude::Params p;
1256                 if (!ev.argument.empty())
1257                         p.cparams.setFromString(ev.argument);
1258                 p.masterFilename_ = buffer_->fileName();
1259
1260                 InsetInclude * inset = new InsetInclude(p);
1261                 if (!insertInset(inset))
1262                         delete inset;
1263                 else {
1264                         updateInset(inset, true);
1265                         bv_->owner()->getDialogs().showInclude(inset);
1266                 }
1267         }
1268         break;
1269
1270         case LFUN_FLOAT_LIST:
1271                 if (tclass.floats().typeExist(ev.argument)) {
1272                         Inset * inset = new InsetFloatList(ev.argument);
1273                         if (!insertInset(inset, tclass.defaultLayoutName()))
1274                                 delete inset;
1275                 } else {
1276                         lyxerr << "Non-existent float type: "
1277                                << ev.argument << endl;
1278                 }
1279                 break;
1280
1281         case LFUN_THESAURUS_ENTRY:
1282         {
1283                 string arg = ev.argument;
1284
1285                 if (arg.empty()) {
1286                         arg = bv_->getLyXText()->selectionAsString(buffer_,
1287                                                                    false);
1288
1289                         // FIXME
1290                         if (arg.size() > 100 || arg.empty()) {
1291                                 // Get word or selection
1292                                 bv_->getLyXText()->selectWordWhenUnderCursor(bv_, LyXText::WHOLE_WORD);
1293                                 arg = bv_->getLyXText()->selectionAsString(buffer_, false);
1294                                 // FIXME: where is getLyXText()->unselect(bv_) ?
1295                         }
1296                 }
1297
1298                 bv_->owner()->getDialogs().showThesaurus(arg);
1299         }
1300                 break;
1301
1302         case LFUN_TRACK_CHANGES:
1303                 trackChanges();
1304                 break;
1305
1306         case LFUN_MERGE_CHANGES:
1307                 owner_->getDialogs().showMergeChanges();
1308                 break;
1309
1310         case LFUN_ACCEPT_ALL_CHANGES: {
1311                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1312                 bv_->text->setCursor(bv_, &(*bv_->buffer()->paragraphs.begin()), 0);
1313 #warning FIXME changes
1314                 //moveCursorUpdate(false);
1315
1316                 while (lyxfind::findNextChange(bv_)) {
1317                         bv_->getLyXText()->acceptChange(bv_);
1318                 }
1319                 update(bv_->text,
1320                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1321                 break;
1322         }
1323
1324         case LFUN_REJECT_ALL_CHANGES: {
1325                 bv_->update(bv_->text, BufferView::SELECT | BufferView::FITCUR);
1326                 bv_->text->setCursor(bv_, &(*bv_->buffer()->paragraphs.begin()), 0);
1327 #warning FIXME changes
1328                 //moveCursorUpdate(false);
1329
1330                 while (lyxfind::findNextChange(bv_)) {
1331                         bv_->getLyXText()->rejectChange(bv_);
1332                 }
1333                 update(bv_->text,
1334                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1335                 break;
1336         }
1337
1338         case LFUN_ACCEPT_CHANGE: {
1339                 bv_->getLyXText()->acceptChange(bv_);
1340                 update(bv_->text,
1341                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1342                 break;
1343         }
1344
1345         case LFUN_REJECT_CHANGE: {
1346                 bv_->getLyXText()->rejectChange(bv_);
1347                 update(bv_->text,
1348                         BufferView::SELECT | BufferView::FITCUR | BufferView::CHANGE);
1349                 break;
1350         }
1351
1352         case LFUN_UNKNOWN_ACTION:
1353                 ev.errorMessage(N_("Unknown function!"));
1354                 break;
1355
1356         default:
1357                 return bv_->getLyXText()->dispatch(FuncRequest(ev, bv_));
1358         } // end of switch
1359
1360         return true;
1361 }
1362
1363
1364 bool BufferView::Pimpl::insertInset(Inset * inset, string const & lout)
1365 {
1366         // if we are in a locking inset we should try to insert the
1367         // inset there otherwise this is a illegal function now
1368         if (bv_->theLockingInset()) {
1369                 if (bv_->theLockingInset()->insetAllowed(inset))
1370                         return bv_->theLockingInset()->insertInset(bv_, inset);
1371                 return false;
1372         }
1373
1374         // not quite sure if we want this...
1375         setCursorParUndo(bv_);
1376         freezeUndo();
1377
1378         beforeChange(bv_->text);
1379         if (!lout.empty()) {
1380                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR);
1381                 bv_->text->breakParagraph(bv_);
1382                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1383
1384                 if (!bv_->text->cursor.par()->empty()) {
1385                         bv_->text->cursorLeft(bv_);
1386
1387                         bv_->text->breakParagraph(bv_);
1388                         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1389                 }
1390
1391                 string lres = lout;
1392                 LyXTextClass const & tclass =
1393                         buffer_->params.getLyXTextClass();
1394                 bool hasLayout = tclass.hasLayout(lres);
1395                 string lay = tclass.defaultLayoutName();
1396
1397                 if (hasLayout != false) {
1398                         // layout found
1399                         lay = lres;
1400                 } else {
1401                         // layout not fount using default
1402                         lay = tclass.defaultLayoutName();
1403                 }
1404
1405                 bv_->text->setLayout(bv_, lay);
1406
1407                 bv_->text->setParagraph(bv_, 0, 0,
1408                                    0, 0,
1409                                    VSpace(VSpace::NONE), VSpace(VSpace::NONE),
1410                                    Spacing(),
1411                                    LYX_ALIGN_LAYOUT,
1412                                    string(),
1413                                    0);
1414                 update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1415         }
1416
1417         bv_->text->insertInset(bv_, inset);
1418         update(bv_->text, BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1419
1420         unFreezeUndo();
1421         return true;
1422 }
1423
1424
1425 void BufferView::Pimpl::updateInset(Inset * inset, bool mark_dirty)
1426 {
1427         if (!inset || !available())
1428                 return;
1429
1430         // first check for locking insets
1431         if (bv_->theLockingInset()) {
1432                 if (bv_->theLockingInset() == inset) {
1433                         if (bv_->text->updateInset(bv_, inset)) {
1434                                 update();
1435                                 if (mark_dirty) {
1436                                         buffer_->markDirty();
1437                                 }
1438                                 updateScrollbar();
1439                                 return;
1440                         }
1441                 } else if (bv_->theLockingInset()->updateInsetInInset(bv_, inset)) {
1442                         if (bv_->text->updateInset(bv_,  bv_->theLockingInset())) {
1443                                 update();
1444                                 if (mark_dirty) {
1445                                         buffer_->markDirty();
1446                                 }
1447                                 updateScrollbar();
1448                                 return;
1449                         }
1450                 }
1451         }
1452
1453         // then check if the inset is a top_level inset (has no owner)
1454         // if yes do the update as always otherwise we have to update the
1455         // toplevel inset where this inset is inside
1456         Inset * tl_inset = inset;
1457         while (tl_inset->owner())
1458                 tl_inset = tl_inset->owner();
1459         hideCursor();
1460         if (tl_inset == inset) {
1461                 update(bv_->text, BufferView::UPDATE);
1462                 if (bv_->text->updateInset(bv_, inset)) {
1463                         if (mark_dirty) {
1464                                 update(bv_->text,
1465                                        BufferView::SELECT
1466                                        | BufferView::FITCUR
1467                                        | BufferView::CHANGE);
1468                         } else {
1469                                 update(bv_->text, SELECT);
1470                         }
1471                         return;
1472                 }
1473         } else if (static_cast<UpdatableInset *>(tl_inset)
1474                            ->updateInsetInInset(bv_, inset))
1475         {
1476                 if (bv_->text->updateInset(bv_, tl_inset)) {
1477                         update();
1478                         updateScrollbar();
1479                 }
1480         }
1481 }