src/BufferView.C

   1 /**
   2  * \file BufferView.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author John Levon
   9  * \author André Pönitz
  10  * \author Jürgen Vigna
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "BufferView.h"
  18
  19 #include "buffer.h"
  20 #include "buffer_funcs.h"
  21 #include "bufferlist.h"
  22 #include "bufferparams.h"
  23 #include "coordcache.h"
  24 #include "CutAndPaste.h"
  25 #include "debug.h"
  26 #include "dispatchresult.h"
  27 #include "errorlist.h"
  28 #include "factory.h"
  29 #include "FloatList.h"
  30 #include "funcrequest.h"
  31 #include "FuncStatus.h"
  32 #include "gettext.h"
  33 #include "intl.h"
  34 #include "insetiterator.h"
  35 #include "language.h"
  36 #include "LaTeXFeatures.h"
  37 #include "lyx_cb.h" // added for Dispatch functions
  38 #include "lyx_main.h"
  39 #include "lyxfind.h"
  40 #include "lyxfunc.h"
  41 #include "lyxlayout.h"
  42 #include "lyxtext.h"
  43 #include "lyxtextclass.h"
  44 #include "lyxrc.h"
  45 #include "session.h"
  46 #include "paragraph.h"
  47 #include "paragraph_funcs.h"
  48 #include "ParagraphParameters.h"
  49 #include "pariterator.h"
  50 #include "texrow.h"
  51 #include "toc.h"
  52 #include "undo.h"
  53 #include "vspace.h"
  54 #include "WordLangTuple.h"
  55 #include "metricsinfo.h"
  56
  57 #include "insets/insetbibtex.h"
  58 #include "insets/insetcommand.h" // ChangeRefs
  59 #include "insets/insetref.h"
  60 #include "insets/insettext.h"
  61
  62 #include "frontends/Alert.h"
  63 #include "frontends/FileDialog.h"
  64 #include "frontends/FontMetrics.h"
  65
  66 #include "graphics/Previews.h"
  67
  68 #include "support/convert.h"
  69 #include "support/filefilterlist.h"
  70 #include "support/filetools.h"
  71 #include "support/package.h"
  72 #include "support/types.h"
  73
  74 #include <boost/bind.hpp>
  75 #include <boost/current_function.hpp>
  76
  77 #include <functional>
  78 #include <vector>
  79
  80
  81 namespace lyx {
  82
  83 using support::addPath;
  84 using support::bformat;
  85 using support::FileFilterList;
  86 using support::fileSearch;
  87 using support::isDirWriteable;
  88 using support::makeDisplayPath;
  89 using support::makeAbsPath;
  90 using support::package;
  91
  92 using std::distance;
  93 using std::endl;
  94 using std::istringstream;
  95 using std::make_pair;
  96 using std::min;
  97 using std::max;
  98 using std::mem_fun_ref;
  99 using std::string;
 100 using std::vector;
 101
 102 namespace Alert = frontend::Alert;
 103
 104 namespace {
 105
 106 unsigned int const saved_positions_num = 20;
 107
 108
 109 /// Return an inset of this class if it exists at the current cursor position
 110 template <class T>
 111 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
 112 {
 113         T * inset = 0;
 114         DocIterator it = cur;
 115         if (it.nextInset() &&
 116             it.nextInset()->lyxCode() == code) {
 117                 inset = static_cast<T*>(it.nextInset());
 118         }
 119         return inset;
 120 }
 121
 122 } // anon namespace
 123
 124
 125 BufferView::BufferView()
 126         : width_(0), height_(0), buffer_(0), wh_(0),
 127           cursor_(*this),
 128           multiparsel_cache_(false), anchor_ref_(0), offset_ref_(0),
 129           intl_(new Intl)
 130 {
 131         xsel_cache_.set = false;
 132
 133         saved_positions.resize(saved_positions_num);
 134         // load saved bookmarks
 135         BookmarksSection::BookmarkList & bmList = LyX::ref().session().bookmarks().load();
 136         for (BookmarksSection::BookmarkList::iterator bm = bmList.begin();
 137                 bm != bmList.end(); ++bm)
 138                 if (bm->get<0>() < saved_positions_num)
 139                         saved_positions[bm->get<0>()] = Position( bm->get<1>(), bm->get<2>(), bm->get<3>() );
 140         // and then clear them
 141         bmList.clear();
 142
 143         intl_->initKeyMapper(lyxrc.use_kbmap);
 144 }
 145
 146
 147 BufferView::~BufferView()
 148 {
 149 }
 150
 151
 152 Buffer * BufferView::buffer() const
 153 {
 154         return buffer_;
 155 }
 156
 157
 158 void BufferView::setBuffer(Buffer * b)
 159 {
 160         lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
 161                             << "[ b = " << b << "]" << endl;
 162
 163         if (buffer_) {
 164                 // Save the actual cursor position and anchor inside the
 165                 // buffer so that it can be restored in case we rechange
 166                 // to this buffer later on.
 167                 buffer_->saveCursor(cursor_.selectionBegin(),
 168                                     cursor_.selectionEnd());
 169                 // current buffer is going to be switched-off, save cursor pos
 170                 LyX::ref().session().lastFilePos().save(buffer_->fileName(),
 171                         boost::tie(cursor_.pit(), cursor_.pos()) );
 172         }
 173
 174         // If we're quitting lyx, don't bother updating stuff
 175         if (quitting) {
 176                 buffer_ = 0;
 177                 return;
 178         }
 179
 180         // If we are closing current buffer, switch to the first in
 181         // buffer list.
 182         if (!b) {
 183                 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
 184                                     << " No Buffer!" << endl;
 185                 // We are closing the buffer, use the first buffer as current
 186                 buffer_ = theBufferList().first();
 187         } else {
 188                 // Set current buffer
 189                 buffer_ = b;
 190         }
 191
 192         // Reset old cursor
 193         cursor_ = LCursor(*this);
 194         anchor_ref_ = 0;
 195         offset_ref_ = 0;
 196
 197         if (buffer_) {
 198                 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
 199                                     << "Buffer addr: " << buffer_ << endl;
 200                 cursor_.push(buffer_->inset());
 201                 cursor_.resetAnchor();
 202                 buffer_->text().init(this);
 203                 buffer_->text().setCurrentFont(cursor_);
 204                 if (buffer_->getCursor().size() > 0 &&
 205                     buffer_->getAnchor().size() > 0)
 206                 {
 207                         cursor_.setCursor(buffer_->getAnchor().asDocIterator(&(buffer_->inset())));
 208                         cursor_.resetAnchor();
 209                         cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
 210                         cursor_.setSelection();
 211                 }
 212         }
 213
 214         update();
 215
 216         if (buffer_ && graphics::Previews::status() != LyXRC::PREVIEW_OFF)
 217                 graphics::Previews::get().generateBufferPreviews(*buffer_);
 218 }
 219
 220
 221 bool BufferView::loadLyXFile(string const & filename, bool tolastfiles)
 222 {
 223         // Get absolute path of file and add ".lyx"
 224         // to the filename if necessary
 225         string s = fileSearch(string(), filename, "lyx");
 226
 227         bool const found = !s.empty();
 228
 229         if (!found)
 230                 s = filename;
 231
 232         // File already open?
 233         if (theBufferList().exists(s)) {
 234                 docstring const file = makeDisplayPath(s, 20);
 235                 docstring text = bformat(_("The document %1$s is already "
 236                                                      "loaded.\n\nDo you want to revert "
 237                                                      "to the saved version?"), file);
 238                 int const ret = Alert::prompt(_("Revert to saved document?"),
 239                         text, 0, 1,  _("&Revert"), _("&Switch to document"));
 240
 241                 if (ret != 0) {
 242                         setBuffer(theBufferList().getBuffer(s));
 243                         return true;
 244                 }
 245                 // FIXME: should be LFUN_REVERT
 246                 if (!theBufferList().close(theBufferList().getBuffer(s), false))
 247                         return false;
 248                 // Fall through to new load. (Asger)
 249                 buffer_ = 0;
 250         }
 251
 252         Buffer * b = 0;
 253
 254         if (found) {
 255                 b = theBufferList().newBuffer(s);
 256                 if (!lyx::loadLyXFile(b, s)) {
 257                         theBufferList().release(b);
 258                         return false;
 259                 }
 260         } else {
 261                 docstring text = bformat(_("The document %1$s does not yet "
 262                                                      "exist.\n\nDo you want to create "
 263                                                      "a new document?"), from_utf8(s));
 264                 int const ret = Alert::prompt(_("Create new document?"),
 265                          text, 0, 1, _("&Create"), _("Cancel"));
 266
 267                 if (ret == 0) {
 268                         b = newFile(s, string(), true);
 269                         if (!b)
 270                                 return false;
 271                 } else
 272                         return false;
 273         }
 274
 275         setBuffer(b);
 276         // Send the "errors" signal in case of parsing errors
 277         b->errors("Parse");
 278
 279         // scroll to the position when the file was last closed
 280         if (lyxrc.use_lastfilepos) {
 281                 pit_type pit;
 282                 pos_type pos;
 283                 boost::tie(pit, pos) = LyX::ref().session().lastFilePos().load(s);
 284                 // I am not sure how to separate the following part to a function
 285                 // so I will leave this to Lars.
 286                 //
 287                 // check pit since the document may be externally changed.
 288                 if ( static_cast<size_t>(pit) < b->paragraphs().size() ) {
 289                         ParIterator it = b->par_iterator_begin();
 290                         ParIterator const end = b->par_iterator_end();
 291                         for (; it != end; ++it)
 292                                 if (it.pit() == pit) {
 293                                         // restored pos may be bigger than it->size
 294                                         setCursor(makeDocIterator(it, min(pos, it->size())));
 295                                         update(Update::FitCursor);
 296                                         break;
 297                                 }
 298                 }
 299         }
 300
 301         if (tolastfiles)
 302                 LyX::ref().session().lastFiles().add(b->fileName());
 303
 304         return true;
 305 }
 306
 307
 308 void BufferView::reload()
 309 {
 310         string const fn = buffer_->fileName();
 311         if (theBufferList().close(buffer_, false))
 312                 loadLyXFile(fn);
 313 }
 314
 315
 316 void BufferView::resize()
 317 {
 318         if (!buffer_)
 319                 return;
 320
 321         lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
 322
 323         buffer_->text().init(this);
 324         update();
 325         switchKeyMap();
 326 }
 327
 328
 329 bool BufferView::fitCursor()
 330 {
 331         if (bv_funcs::status(this, cursor_) == bv_funcs::CUR_INSIDE) {
 332                 frontend::FontMetrics const & fm =
 333                         theFontMetrics(cursor_.getFont());
 334                 int const asc = fm.maxAscent();
 335                 int const des = fm.maxDescent();
 336                 Point const p = bv_funcs::getPos(*this, cursor_, cursor_.boundary());
 337                 if (p.y_ - asc >= 0 && p.y_ + des < height_)
 338                         return false;
 339         }
 340         center();
 341         return true;
 342 }
 343
 344
 345 bool BufferView::multiParSel()
 346 {
 347         if (!cursor_.selection())
 348                 return false;
 349         bool ret = multiparsel_cache_;
 350         multiparsel_cache_ = cursor_.selBegin().pit() != cursor_.selEnd().pit();
 351         // Either this, or previous selection spans paragraphs
 352         return ret || multiparsel_cache_;
 353 }
 354
 355
 356 bool BufferView::update(Update::flags flags)
 357 {
 358         // This is close to a hot-path.
 359         if (lyxerr.debugging(Debug::DEBUG)) {
 360                 lyxerr[Debug::DEBUG]
 361                         << BOOST_CURRENT_FUNCTION
 362                         << "[fitcursor = " << (flags & Update::FitCursor)
 363                         << ", forceupdate = " << (flags & Update::Force)
 364                         << ", singlepar = " << (flags & Update::SinglePar)
 365                         << "]  buffer: " << buffer_ << endl;
 366         }
 367
 368         // Check needed to survive LyX startup
 369         if (!buffer_)
 370                 return false;
 371
 372         lyxerr[Debug::WORKAREA] << "BufferView::update" << std::endl;
 373
 374         // Update macro store
 375         buffer_->buildMacros();
 376
 377         // First drawing step
 378         updateMetrics(flags & Update::SinglePar);
 379
 380         // The second drawing step is done in WorkArea::redraw() if needed.
 381         bool const need_second_step =
 382                 (flags & (Update::Force | Update::FitCursor | Update::MultiParSel))
 383                 && (fitCursor() || multiParSel());
 384
 385         return need_second_step;
 386 }
 387
 388
 389 void BufferView::updateScrollbar()
 390 {
 391         if (!buffer_) {
 392                 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
 393                                      << " no text in updateScrollbar" << endl;
 394                 scrollbarParameters_.reset();
 395                 return;
 396         }
 397
 398         LyXText & t = buffer_->text();
 399         int const parsize = int(t.paragraphs().size() - 1);
 400         if (anchor_ref_ >  parsize)  {
 401                 anchor_ref_ = parsize;
 402                 offset_ref_ = 0;
 403         }
 404
 405         lyxerr[Debug::GUI]
 406                 << BOOST_CURRENT_FUNCTION
 407                 << " Updating scrollbar: height: " << t.paragraphs().size()
 408                 << " curr par: " << cursor_.bottom().pit()
 409                 << " default height " << defaultRowHeight() << endl;
 410
 411         // It would be better to fix the scrollbar to understand
 412         // values in [0..1] and divide everything by wh
 413
 414         // estimated average paragraph height:
 415         if (wh_ == 0)
 416                 wh_ = height_ / 4;
 417         int h = t.getPar(anchor_ref_).height();
 418
 419         // Normalize anchor/offset (MV):
 420         while (offset_ref_ > h && anchor_ref_ < parsize) {
 421                 anchor_ref_++;
 422                 offset_ref_ -= h;
 423                 h = t.getPar(anchor_ref_).height();
 424         }
 425         // Look at paragraph heights on-screen
 426         int sumh = 0;
 427         int nh = 0;
 428         for (pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
 429                 if (sumh > height_)
 430                         break;
 431                 int const h2 = t.getPar(pit).height();
 432                 sumh += h2;
 433                 nh++;
 434         }
 435
 436         BOOST_ASSERT(nh);
 437         int const hav = sumh / nh;
 438         // More realistic average paragraph height
 439         if (hav > wh_)
 440                 wh_ = hav;
 441
 442         BOOST_ASSERT(h);
 443         scrollbarParameters_.height = (parsize + 1) * wh_;
 444         scrollbarParameters_.position = anchor_ref_ * wh_ + int(offset_ref_ * wh_ / float(h));
 445         scrollbarParameters_.lineScrollHeight = int(wh_ * defaultRowHeight() / float(h));
 446 }
 447
 448
 449 ScrollbarParameters const & BufferView::scrollbarParameters() const
 450 {
 451         return scrollbarParameters_;
 452 }
 453
 454
 455 void BufferView::scrollDocView(int value)
 456 {
 457         lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 458                            << "[ value = " << value << "]" << endl;
 459
 460         if (!buffer_)
 461                 return;
 462
 463         LyXText & t = buffer_->text();
 464
 465         float const bar = value / float(wh_ * t.paragraphs().size());
 466
 467         anchor_ref_ = int(bar * t.paragraphs().size());
 468         if (anchor_ref_ >  int(t.paragraphs().size()) - 1)
 469                 anchor_ref_ = int(t.paragraphs().size()) - 1;
 470         t.redoParagraph(anchor_ref_);
 471         int const h = t.getPar(anchor_ref_).height();
 472         offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
 473 }
 474
 475
 476 void BufferView::setCursorFromScrollbar()
 477 {
 478         LyXText & t = buffer_->text();
 479
 480         int const height = 2 * defaultRowHeight();
 481         int const first = height;
 482         int const last = height_ - height;
 483         LCursor & cur = cursor_;
 484
 485         bv_funcs::CurStatus st = bv_funcs::status(this, cur);
 486
 487         switch (st) {
 488         case bv_funcs::CUR_ABOVE:
 489                 t.setCursorFromCoordinates(cur, 0, first);
 490                 cur.clearSelection();
 491                 break;
 492         case bv_funcs::CUR_BELOW:
 493                 t.setCursorFromCoordinates(cur, 0, last);
 494                 cur.clearSelection();
 495                 break;
 496         case bv_funcs::CUR_INSIDE:
 497                 int const y = bv_funcs::getPos(*this, cur, cur.boundary()).y_;
 498                 int const newy = min(last, max(y, first));
 499                 if (y != newy) {
 500                         cur.reset(buffer_->inset());
 501                         t.setCursorFromCoordinates(cur, 0, newy);
 502                 }
 503         }
 504 }
 505
 506
 507 Change const BufferView::getCurrentChange() const
 508 {
 509         if (!cursor_.selection())
 510                 return Change(Change::UNCHANGED);
 511
 512         DocIterator dit = cursor_.selectionBegin();
 513         return dit.paragraph().lookupChange(dit.pos());
 514 }
 515
 516
 517 void BufferView::savePosition(unsigned int i)
 518 {
 519         if (i >= saved_positions_num)
 520                 return;
 521         BOOST_ASSERT(cursor_.inTexted());
 522         saved_positions[i] = Position(buffer_->fileName(),
 523                                       cursor_.paragraph().id(),
 524                                       cursor_.pos());
 525         if (i > 0)
 526                 // emit message signal.
 527                 message(bformat(_("Saved bookmark %1$d"), i));
 528 }
 529
 530
 531 void BufferView::restorePosition(unsigned int i)
 532 {
 533         if (i >= saved_positions_num)
 534                 return;
 535
 536         string const fname = saved_positions[i].filename;
 537
 538         cursor_.clearSelection();
 539
 540         if (fname != buffer_->fileName()) {
 541                 Buffer * b = 0;
 542                 if (theBufferList().exists(fname))
 543                         b = theBufferList().getBuffer(fname);
 544                 else {
 545                         b = theBufferList().newBuffer(fname);
 546                         // Don't ask, just load it
 547                         lyx::loadLyXFile(b, fname);
 548                 }
 549                 if (b)
 550                         setBuffer(b);
 551         }
 552
 553         ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
 554         if (par == buffer_->par_iterator_end())
 555                 return;
 556
 557         setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
 558
 559         if (i > 0)
 560                 // emit message signal.
 561                 message(bformat(_("Moved to bookmark %1$d"), i));
 562 }
 563
 564
 565 bool BufferView::isSavedPosition(unsigned int i)
 566 {
 567         return i < saved_positions_num && !saved_positions[i].filename.empty();
 568 }
 569
 570 void BufferView::saveSavedPositions()
 571 {
 572         // save bookmarks. It is better to use the pit interface
 573         // but I do not know how to effectively convert between
 574         // par_id and pit.
 575         for (unsigned int i=1; i < saved_positions_num; ++i) {
 576                 if ( isSavedPosition(i) )
 577                         LyX::ref().session().bookmarks().save( boost::tie(
 578                                 i,
 579                                 saved_positions[i].filename,
 580                                 saved_positions[i].par_id,
 581                                 saved_positions[i].par_pos) );
 582         }
 583 }
 584
 585 void BufferView::switchKeyMap()
 586 {
 587         if (!lyxrc.rtl_support)
 588                 return;
 589
 590         if (getLyXText()->real_current_font.isRightToLeft()) {
 591                 if (intl_->keymap == Intl::PRIMARY)
 592                         intl_->keyMapSec();
 593         } else {
 594                 if (intl_->keymap == Intl::SECONDARY)
 595                         intl_->keyMapPrim();
 596         }
 597 }
 598
 599
 600 int BufferView::workWidth() const
 601 {
 602         return width_;
 603 }
 604
 605
 606 void BufferView::center()
 607 {
 608         CursorSlice & bot = cursor_.bottom();
 609         pit_type const pit = bot.pit();
 610         bot.text()->redoParagraph(pit);
 611         Paragraph const & par = bot.text()->paragraphs()[pit];
 612         anchor_ref_ = pit;
 613         offset_ref_ = bv_funcs::coordOffset(*this, cursor_, cursor_.boundary()).y_
 614                 + par.ascent() - height_ / 2;
 615 }
 616
 617
 618 FuncStatus BufferView::getStatus(FuncRequest const & cmd)
 619 {
 620         FuncStatus flag;
 621
 622         switch (cmd.action) {
 623
 624         case LFUN_UNDO:
 625                 flag.enabled(!buffer_->undostack().empty());
 626                 break;
 627         case LFUN_REDO:
 628                 flag.enabled(!buffer_->redostack().empty());
 629                 break;
 630         case LFUN_FILE_INSERT:
 631         case LFUN_FILE_INSERT_ASCII_PARA:
 632         case LFUN_FILE_INSERT_ASCII:
 633         case LFUN_BOOKMARK_SAVE:
 634                 // FIXME: Actually, these LFUNS should be moved to LyXText
 635                 flag.enabled(cursor_.inTexted());
 636                 break;
 637         case LFUN_FONT_STATE:
 638         case LFUN_LABEL_INSERT:
 639         case LFUN_PARAGRAPH_GOTO:
 640         // FIXME handle non-trivially
 641         case LFUN_OUTLINE_UP:
 642         case LFUN_OUTLINE_DOWN:
 643         case LFUN_OUTLINE_IN:
 644         case LFUN_OUTLINE_OUT:
 645         case LFUN_NOTE_NEXT:
 646         case LFUN_REFERENCE_NEXT:
 647         case LFUN_WORD_FIND:
 648         case LFUN_WORD_REPLACE:
 649         case LFUN_MARK_OFF:
 650         case LFUN_MARK_ON:
 651         case LFUN_MARK_TOGGLE:
 652         case LFUN_SCREEN_RECENTER:
 653         case LFUN_BIBTEX_DATABASE_ADD:
 654         case LFUN_BIBTEX_DATABASE_DEL:
 655         case LFUN_WORDS_COUNT:
 656         case LFUN_NEXT_INSET_TOGGLE:
 657                 flag.enabled(true);
 658                 break;
 659
 660         case LFUN_LABEL_GOTO: {
 661                 flag.enabled(!cmd.argument().empty()
 662                     || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
 663                 break;
 664         }
 665
 666         case LFUN_BOOKMARK_GOTO:
 667                 flag.enabled(isSavedPosition(convert<unsigned int>(to_utf8(cmd.argument()))));
 668                 break;
 669
 670         case LFUN_CHANGES_TRACK:
 671                 flag.enabled(true);
 672                 flag.setOnOff(buffer_->params().trackChanges);
 673                 break;
 674
 675         case LFUN_CHANGES_OUTPUT: {
 676                 OutputParams runparams;
 677                 LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
 678                 flag.enabled(buffer_ && features.isAvailable("dvipost"));
 679                 flag.setOnOff(buffer_->params().outputChanges);
 680                 break;
 681         }
 682
 683         case LFUN_CHANGES_MERGE:
 684         case LFUN_CHANGE_NEXT:
 685         case LFUN_ALL_CHANGES_ACCEPT:
 686         case LFUN_ALL_CHANGES_REJECT:
 687                 flag.enabled(buffer_); // FIXME: Change tracking (MG)
 688                 break;
 689
 690         case LFUN_BUFFER_TOGGLE_COMPRESSION: {
 691                 flag.setOnOff(buffer_->params().compressed);
 692                 break;
 693         }
 694
 695         default:
 696                 flag.enabled(false);
 697         }
 698
 699         return flag;
 700 }
 701
 702
 703 bool BufferView::dispatch(FuncRequest const & cmd)
 704 {
 705         //lyxerr << BOOST_CURRENT_FUNCTION
 706         //       << [ cmd = " << cmd << "]" << endl;
 707
 708         // Make sure that the cached BufferView is correct.
 709         lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
 710                 << " action[" << cmd.action << ']'
 711                 << " arg[" << to_utf8(cmd.argument()) << ']'
 712                 << " x[" << cmd.x << ']'
 713                 << " y[" << cmd.y << ']'
 714                 << " button[" << cmd.button() << ']'
 715                 << endl;
 716
 717         LCursor & cur = cursor_;
 718
 719         switch (cmd.action) {
 720
 721         case LFUN_UNDO:
 722                 if (buffer_) {
 723                         cur.message(_("Undo"));
 724                         cur.clearSelection();
 725                         if (!textUndo(*this))
 726                                 cur.message(_("No further undo information"));
 727                         update();
 728                         switchKeyMap();
 729                 }
 730                 break;
 731
 732         case LFUN_REDO:
 733                 if (buffer_) {
 734                         cur.message(_("Redo"));
 735                         cur.clearSelection();
 736                         if (!textRedo(*this))
 737                                 cur.message(_("No further redo information"));
 738                         update();
 739                         switchKeyMap();
 740                 }
 741                 break;
 742
 743         case LFUN_FILE_INSERT:
 744                 // FIXME: We don't know the encoding of filenames
 745                 menuInsertLyXFile(to_utf8(cmd.argument()));
 746                 break;
 747
 748         case LFUN_FILE_INSERT_ASCII_PARA:
 749                 // FIXME: We don't know the encoding of filenames
 750                 insertAsciiFile(this, to_utf8(cmd.argument()), true);
 751                 break;
 752
 753         case LFUN_FILE_INSERT_ASCII:
 754                 // FIXME: We don't know the encoding of filenames
 755                 insertAsciiFile(this, to_utf8(cmd.argument()), false);
 756                 break;
 757
 758         case LFUN_FONT_STATE:
 759                 cur.message(from_utf8(cur.currentState()));
 760                 break;
 761
 762         case LFUN_BOOKMARK_SAVE:
 763                 savePosition(convert<unsigned int>(to_utf8(cmd.argument())));
 764                 break;
 765
 766         case LFUN_BOOKMARK_GOTO:
 767                 restorePosition(convert<unsigned int>(to_utf8(cmd.argument())));
 768                 break;
 769
 770         case LFUN_LABEL_GOTO: {
 771                 docstring label = cmd.argument();
 772                 if (label.empty()) {
 773                         InsetRef * inset =
 774                                 getInsetByCode<InsetRef>(cursor_,
 775                                                          InsetBase::REF_CODE);
 776                         if (inset) {
 777                                 label = inset->getParam("reference");
 778                                 savePosition(0);
 779                         }
 780                 }
 781
 782                 if (!label.empty())
 783                         gotoLabel(label);
 784                 break;
 785         }
 786
 787         case LFUN_PARAGRAPH_GOTO: {
 788                 int const id = convert<int>(to_utf8(cmd.argument()));
 789                 ParIterator par = buffer_->getParFromID(id);
 790                 if (par == buffer_->par_iterator_end()) {
 791                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
 792                                             << id << ']' << endl;
 793                         break;
 794                 } else {
 795                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
 796                                             << " found." << endl;
 797                 }
 798
 799                 // Set the cursor
 800                 setCursor(makeDocIterator(par, 0));
 801
 802                 update();
 803                 switchKeyMap();
 804                 break;
 805         }
 806
 807         case LFUN_OUTLINE_UP:
 808                 toc::outline(toc::Up, cursor_);
 809                 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
 810                 updateLabels(*buffer_);
 811                 break;
 812         case LFUN_OUTLINE_DOWN:
 813                 toc::outline(toc::Down, cursor_);
 814                 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
 815                 updateLabels(*buffer_);
 816                 break;
 817         case LFUN_OUTLINE_IN:
 818                 toc::outline(toc::In, cursor_);
 819                 updateLabels(*buffer_);
 820                 break;
 821         case LFUN_OUTLINE_OUT:
 822                 toc::outline(toc::Out, cursor_);
 823                 updateLabels(*buffer_);
 824                 break;
 825
 826         case LFUN_NOTE_NEXT:
 827                 bv_funcs::gotoInset(this, InsetBase::NOTE_CODE, false);
 828                 break;
 829
 830         case LFUN_REFERENCE_NEXT: {
 831                 vector<InsetBase_code> tmp;
 832                 tmp.push_back(InsetBase::LABEL_CODE);
 833                 tmp.push_back(InsetBase::REF_CODE);
 834                 bv_funcs::gotoInset(this, tmp, true);
 835                 break;
 836         }
 837
 838         case LFUN_CHANGES_TRACK:
 839                 buffer_->params().trackChanges = !buffer_->params().trackChanges;
 840                 break;
 841
 842         case LFUN_CHANGES_OUTPUT: {
 843                 buffer_->params().outputChanges = !buffer_->params().outputChanges;
 844                 break;
 845         }
 846
 847         case LFUN_CHANGE_NEXT:
 848                 findNextChange(this);
 849                 break;
 850
 851         case LFUN_CHANGES_MERGE:
 852                 if (findNextChange(this))
 853                         showDialog("changes");
 854                 break;
 855
 856         case LFUN_ALL_CHANGES_ACCEPT: {
 857                 cursor_.reset(buffer_->inset());
 858 #ifdef WITH_WARNINGS
 859 #warning FIXME changes
 860 #endif
 861                 while (findNextChange(this))
 862                         getLyXText()->acceptChange(cursor_);
 863                 update();
 864                 break;
 865         }
 866
 867         case LFUN_ALL_CHANGES_REJECT: {
 868                 cursor_.reset(buffer_->inset());
 869 #ifdef WITH_WARNINGS
 870 #warning FIXME changes
 871 #endif
 872                 while (findNextChange(this))
 873                         getLyXText()->rejectChange(cursor_);
 874                 break;
 875         }
 876
 877         case LFUN_WORD_FIND:
 878                 find(this, cmd);
 879                 break;
 880
 881         case LFUN_WORD_REPLACE:
 882                 replace(this, cmd);
 883                 break;
 884
 885         case LFUN_MARK_OFF:
 886                 cur.clearSelection();
 887                 cur.resetAnchor();
 888                 cur.message(from_utf8(N_("Mark off")));
 889                 break;
 890
 891         case LFUN_MARK_ON:
 892                 cur.clearSelection();
 893                 cur.mark() = true;
 894                 cur.resetAnchor();
 895                 cur.message(from_utf8(N_("Mark on")));
 896                 break;
 897
 898         case LFUN_MARK_TOGGLE:
 899                 cur.clearSelection();
 900                 if (cur.mark()) {
 901                         cur.mark() = false;
 902                         cur.message(from_utf8(N_("Mark removed")));
 903                 } else {
 904                         cur.mark() = true;
 905                         cur.message(from_utf8(N_("Mark set")));
 906                 }
 907                 cur.resetAnchor();
 908                 break;
 909
 910         case LFUN_SCREEN_RECENTER:
 911                 center();
 912                 break;
 913
 914         case LFUN_BIBTEX_DATABASE_ADD: {
 915                 LCursor tmpcur = cursor_;
 916                 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
 917                 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
 918                                                 InsetBase::BIBTEX_CODE);
 919                 if (inset) {
 920                         if (inset->addDatabase(to_utf8(cmd.argument())))
 921                                 buffer_->updateBibfilesCache();
 922                 }
 923                 break;
 924         }
 925
 926         case LFUN_BIBTEX_DATABASE_DEL: {
 927                 LCursor tmpcur = cursor_;
 928                 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
 929                 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
 930                                                 InsetBase::BIBTEX_CODE);
 931                 if (inset) {
 932                         if (inset->delDatabase(to_utf8(cmd.argument())))
 933                                 buffer_->updateBibfilesCache();
 934                 }
 935                 break;
 936         }
 937
 938         case LFUN_WORDS_COUNT: {
 939                 DocIterator from, to;
 940                 if (cur.selection()) {
 941                         from = cur.selectionBegin();
 942                         to = cur.selectionEnd();
 943                 } else {
 944                         from = doc_iterator_begin(buffer_->inset());
 945                         to = doc_iterator_end(buffer_->inset());
 946                 }
 947                 int const count = countWords(from, to);
 948                 docstring message;
 949                 if (count != 1) {
 950                         if (cur.selection())
 951                                 message = bformat(_("%1$d words in selection."),
 952                                           count);
 953                                 else
 954                                         message = bformat(_("%1$d words in document."),
 955                                                           count);
 956                 }
 957                 else {
 958                         if (cur.selection())
 959                                 message = _("One word in selection.");
 960                         else
 961                                 message = _("One word in document.");
 962                 }
 963
 964                 Alert::information(_("Count words"), message);
 965         }
 966                 break;
 967
 968         case LFUN_BUFFER_TOGGLE_COMPRESSION:
 969                 // turn compression on/off
 970                 buffer_->params().compressed = !buffer_->params().compressed;
 971                 break;
 972
 973         case LFUN_NEXT_INSET_TOGGLE: {
 974                 // this is the real function we want to invoke
 975                 FuncRequest tmpcmd = FuncRequest(LFUN_INSET_TOGGLE, cmd.origin);
 976                 // if there is an inset at cursor, see whether it
 977                 // wants to toggle.
 978                 InsetBase * inset = cur.nextInset();
 979                 if (inset && inset->isActive()) {
 980                         LCursor tmpcur = cur;
 981                         tmpcur.pushLeft(*inset);
 982                         inset->dispatch(tmpcur, tmpcmd);
 983                         if (tmpcur.result().dispatched()) {
 984                                 cur.dispatched();
 985                         }
 986                 }
 987                 // if it did not work, try the underlying inset.
 988                 if (!cur.result().dispatched())
 989                         cur.dispatch(tmpcmd);
 990
 991                 if (cur.result().dispatched())
 992                         cur.clearSelection();
 993
 994                 break;
 995         }
 996
 997         default:
 998                 return false;
 999         }
1000
1001         return true;
1002 }
1003
1004
1005 docstring const BufferView::requestSelection()
1006 {
1007         if (!buffer_)
1008                 return docstring();
1009
1010         LCursor & cur = cursor_;
1011
1012         if (!cur.selection()) {
1013                 xsel_cache_.set = false;
1014                 return docstring();
1015         }
1016
1017         if (!xsel_cache_.set ||
1018             cur.top() != xsel_cache_.cursor ||
1019             cur.anchor_.top() != xsel_cache_.anchor)
1020         {
1021                 xsel_cache_.cursor = cur.top();
1022                 xsel_cache_.anchor = cur.anchor_.top();
1023                 xsel_cache_.set = cur.selection();
1024                 return cur.selectionAsString(false);
1025         }
1026         return docstring();
1027 }
1028
1029
1030 void BufferView::clearSelection()
1031 {
1032         if (buffer_) {
1033                 cursor_.clearSelection();
1034                 xsel_cache_.set = false;
1035         }
1036 }
1037
1038
1039 void BufferView::workAreaResize(int width, int height)
1040 {
1041         bool const widthChange = width != width_;
1042         bool const heightChange = height != height_;
1043
1044         // Update from work area
1045         width_ = width;
1046         height_ = height;
1047
1048         if (buffer_ && widthChange) {
1049                 // The WorkArea content needs a resize
1050                 resize();
1051         }
1052
1053         if (widthChange || heightChange)
1054                 update();
1055 }
1056
1057
1058 bool BufferView::workAreaDispatch(FuncRequest const & cmd0)
1059 {
1060         //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
1061
1062         // This is only called for mouse related events including
1063         // LFUN_FILE_OPEN generated by drag-and-drop.
1064         FuncRequest cmd = cmd0;
1065
1066         if (!buffer_)
1067                 return false;
1068
1069         LCursor cur(*this);
1070         cur.push(buffer_->inset());
1071         cur.selection() = cursor_.selection();
1072
1073         // Doesn't go through lyxfunc, so we need to update
1074         // the layout choice etc. ourselves
1075
1076         // E.g. Qt mouse press when no buffer
1077         if (!buffer_)
1078                 return false;
1079
1080         // Either the inset under the cursor or the
1081         // surrounding LyXText will handle this event.
1082
1083         // Build temporary cursor.
1084         cmd.y = min(max(cmd.y, -1), height_);
1085         InsetBase * inset = buffer_->text().editXY(cur, cmd.x, cmd.y);
1086         //lyxerr << BOOST_CURRENT_FUNCTION
1087         //       << " * hit inset at tip: " << inset << endl;
1088         //lyxerr << BOOST_CURRENT_FUNCTION
1089         //       << " * created temp cursor:" << cur << endl;
1090
1091         // Put anchor at the same position.
1092         cur.resetAnchor();
1093
1094         // Try to dispatch to an non-editable inset near this position
1095         // via the temp cursor. If the inset wishes to change the real
1096         // cursor it has to do so explicitly by using
1097         //  cur.bv().cursor() = cur;  (or similar)
1098         if (inset)
1099                 inset->dispatch(cur, cmd);
1100
1101         // Now dispatch to the temporary cursor. If the real cursor should
1102         // be modified, the inset's dispatch has to do so explicitly.
1103         if (!cur.result().dispatched())
1104                 cur.dispatch(cmd);
1105
1106         if (cur.result().dispatched()) {
1107                 // Redraw if requested or necessary.
1108                 if (cur.result().update())
1109                         update(Update::FitCursor | Update::Force);
1110                 else
1111                         update(Update::FitCursor | Update::MultiParSel);
1112         }
1113
1114         return true;
1115 }
1116
1117
1118 void BufferView::scroll(int /*lines*/)
1119 {
1120 //      if (!buffer_)
1121 //              return;
1122 //
1123 //      LyXText const * t = &buffer_->text();
1124 //      int const line_height = defaultRowHeight();
1125 //
1126 //      // The new absolute coordinate
1127 //      int new_top_y = top_y() + lines * line_height;
1128 //
1129 //      // Restrict to a valid value
1130 //      new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
1131 //      new_top_y = std::max(0, new_top_y);
1132 //
1133 //      scrollDocView(new_top_y);
1134 //
1135 //      // Update the scrollbar.
1136 //      workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());}
1137 }
1138
1139
1140 void BufferView::setCursorFromRow(int row)
1141 {
1142         int tmpid = -1;
1143         int tmppos = -1;
1144
1145         buffer_->texrow().getIdFromRow(row, tmpid, tmppos);
1146
1147         if (tmpid == -1)
1148                 buffer_->text().setCursor(cursor_, 0, 0);
1149         else
1150                 buffer_->text().setCursor(cursor_, buffer_->getParFromID(tmpid).pit(), tmppos);
1151 }
1152
1153
1154 void BufferView::gotoLabel(docstring const & label)
1155 {
1156         for (InsetIterator it = inset_iterator_begin(buffer_->inset()); it; ++it) {
1157                 vector<docstring> labels;
1158                 it->getLabelList(*buffer_, labels);
1159                 if (std::find(labels.begin(), labels.end(), label) != labels.end()) {
1160                         setCursor(it);
1161                         update();
1162                         return;
1163                 }
1164         }
1165 }
1166
1167
1168 LyXText * BufferView::getLyXText()
1169 {
1170         LyXText * text = cursor_.innerText();
1171         BOOST_ASSERT(text);
1172         return text;
1173 }
1174
1175
1176 LyXText const * BufferView::getLyXText() const
1177 {
1178         LyXText const * text = cursor_.innerText();
1179         BOOST_ASSERT(text);
1180         return text;
1181 }
1182
1183
1184 int BufferView::workHeight() const
1185 {
1186         return height_;
1187 }
1188
1189
1190 void BufferView::setCursor(DocIterator const & dit)
1191 {
1192         size_t const n = dit.depth();
1193         for (size_t i = 0; i < n; ++i)
1194                 dit[i].inset().edit(cursor_, true);
1195
1196         cursor_.setCursor(dit);
1197         cursor_.selection() = false;
1198 }
1199
1200
1201 void BufferView::mouseSetCursor(LCursor & cur)
1202 {
1203         BOOST_ASSERT(&cur.bv() == this);
1204
1205         // Has the cursor just left the inset?
1206         bool badcursor = false;
1207         if (&cursor_.inset() != &cur.inset())
1208                 badcursor = cursor_.inset().notifyCursorLeaves(cursor_);
1209
1210         // do the dEPM magic if needed
1211         // FIXME: move this to InsetText::notifyCursorLeaves?
1212         if (!badcursor && cursor_.inTexted())
1213                 cursor_.text()->deleteEmptyParagraphMechanism(cur, cursor_);
1214
1215         cursor_ = cur;
1216         cursor_.clearSelection();
1217         cursor_.setTargetX();
1218         finishUndo();
1219
1220 }
1221
1222
1223 void BufferView::putSelectionAt(DocIterator const & cur,
1224                                 int length, bool backwards)
1225 {
1226         cursor_.clearSelection();
1227
1228         setCursor(cur);
1229
1230         if (length) {
1231                 if (backwards) {
1232                         cursor_.pos() += length;
1233                         cursor_.setSelection(cursor_, -length);
1234                 } else
1235                         cursor_.setSelection(cursor_, length);
1236         }
1237 }
1238
1239
1240 LCursor & BufferView::cursor()
1241 {
1242         return cursor_;
1243 }
1244
1245
1246 LCursor const & BufferView::cursor() const
1247 {
1248         return cursor_;
1249 }
1250
1251
1252 pit_type BufferView::anchor_ref() const
1253 {
1254         return anchor_ref_;
1255 }
1256
1257
1258 ViewMetricsInfo const & BufferView::viewMetricsInfo()
1259 {
1260         return metrics_info_;
1261 }
1262
1263
1264 void BufferView::updateMetrics(bool singlepar)
1265 {
1266         // FIXME (Abdel 19/10/2006):
1267         // There's something fishy in tabular. The coord_cache_ is not
1268         // correctly reconstructed when a character is trying to be inserted.
1269         // Not clearing out the coord_cache_ fixes the crash but there is a
1270         // bad side effect: buffer-begin and buffer-end do not update the screen.
1271         //
1272         // Remove old position cache
1273         coord_cache_.clear();
1274
1275         LyXText & buftext = buffer_->text();
1276         pit_type size = int(buftext.paragraphs().size());
1277
1278         if (anchor_ref_ > int(buftext.paragraphs().size() - 1)) {
1279                 anchor_ref_ = int(buftext.paragraphs().size() - 1);
1280                 offset_ref_ = 0;
1281         }
1282
1283         pit_type const pit = anchor_ref_;
1284         int pit1 = pit;
1285         int pit2 = pit;
1286         size_t const npit = buftext.paragraphs().size();
1287
1288         // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
1289         // the (main text, not inset!) paragraph containing the cursor.
1290         // (if this paragraph contains insets etc., rebreaking will
1291         // recursively descend)
1292         if (!singlepar || pit == cursor_.bottom().pit())
1293                 buftext.redoParagraph(pit);
1294         int y0 = buftext.getPar(pit).ascent() - offset_ref_;
1295
1296         // Redo paragraphs above anchor if necessary; again, in Single Par
1297         // mode, only if we encounter the (main text) one having the cursor.
1298         int y1 = y0;
1299         while (y1 > 0 && pit1 > 0) {
1300                 y1 -= buftext.getPar(pit1).ascent();
1301                 --pit1;
1302                 if (!singlepar || pit1 == cursor_.bottom().pit())
1303                         buftext.redoParagraph(pit1);
1304                 y1 -= buftext.getPar(pit1).descent();
1305         }
1306
1307
1308         // Take care of ascent of first line
1309         y1 -= buftext.getPar(pit1).ascent();
1310
1311         // Normalize anchor for next time
1312         anchor_ref_ = pit1;
1313         offset_ref_ = -y1;
1314
1315         // Grey at the beginning is ugly
1316         if (pit1 == 0 && y1 > 0) {
1317                 y0 -= y1;
1318                 y1 = 0;
1319                 anchor_ref_ = 0;
1320         }
1321
1322         // Redo paragraphs below the anchor if necessary. Single par mode:
1323         // only the one containing the cursor if encountered.
1324         int y2 = y0;
1325         while (y2 < height_ && pit2 < int(npit) - 1) {
1326                 y2 += buftext.getPar(pit2).descent();
1327                 ++pit2;
1328                 if (!singlepar || pit2 == cursor_.bottom().pit())
1329                         buftext.redoParagraph(pit2);
1330                 y2 += buftext.getPar(pit2).ascent();
1331         }
1332
1333         // Take care of descent of last line
1334         y2 += buftext.getPar(pit2).descent();
1335
1336         // The coordinates of all these paragraphs are correct, cache them
1337         int y = y1;
1338         CoordCache::InnerParPosCache & parPos = coord_cache_.parPos()[&buftext];
1339         for (pit_type pit = pit1; pit <= pit2; ++pit) {
1340                 Paragraph const & par = buftext.getPar(pit);
1341                 y += par.ascent();
1342                 parPos[pit] = Point(0, y);
1343                 if (singlepar && pit == cursor_.bottom().pit()) {
1344                         // In Single Paragraph mode, collect here the
1345                         // y1 and y2 of the (one) paragraph the cursor is in
1346                         y1 = y - par.ascent();
1347                         y2 = y + par.descent();
1348                 }
1349                 y += par.descent();
1350         }
1351
1352         if (singlepar) {
1353                 // collect cursor paragraph iter bounds
1354                 pit1 = cursor_.bottom().pit();
1355                 pit2 = cursor_.bottom().pit();
1356         }
1357
1358         lyxerr[Debug::DEBUG]
1359                 << BOOST_CURRENT_FUNCTION
1360                 << " y1: " << y1
1361                 << " y2: " << y2
1362                 << " pit1: " << pit1
1363                 << " pit2: " << pit2
1364                 << " npit: " << npit
1365                 << " singlepar: " << singlepar
1366                 << "size: " << size
1367                 << endl;
1368
1369         metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);
1370
1371         if (lyxerr.debugging(Debug::WORKAREA)) {
1372                 lyxerr[Debug::WORKAREA] << "BufferView::updateMetrics" << endl;
1373                 coord_cache_.dump();
1374         }
1375 }
1376
1377
1378 void BufferView::menuInsertLyXFile(string const & filenm)
1379 {
1380         BOOST_ASSERT(cursor_.inTexted());
1381         string filename = filenm;
1382
1383         if (filename.empty()) {
1384                 // Launch a file browser
1385                 // FIXME UNICODE
1386                 string initpath = lyxrc.document_path;
1387
1388                 if (buffer_) {
1389                         string const trypath = buffer_->filePath();
1390                         // If directory is writeable, use this as default.
1391                         if (isDirWriteable(trypath))
1392                                 initpath = trypath;
1393                 }
1394
1395                 // FIXME UNICODE
1396                 FileDialog fileDlg(_("Select LyX document to insert"),
1397                         LFUN_FILE_INSERT,
1398                         make_pair(_("Documents|#o#O"), from_utf8(lyxrc.document_path)),
1399                         make_pair(_("Examples|#E#e"), from_utf8(addPath(package().system_support(), "examples"))));
1400
1401                 FileDialog::Result result =
1402                         fileDlg.open(from_utf8(initpath),
1403                                      FileFilterList(_("LyX Documents (*.lyx)")),
1404                                      docstring());
1405
1406                 if (result.first == FileDialog::Later)
1407                         return;
1408
1409                 // FIXME UNICODE
1410                 filename = to_utf8(result.second);
1411
1412                 // check selected filename
1413                 if (filename.empty()) {
1414                         // emit message signal.
1415                         message(_("Canceled."));
1416                         return;
1417                 }
1418         }
1419
1420         // Get absolute path of file and add ".lyx"
1421         // to the filename if necessary
1422         filename = fileSearch(string(), filename, "lyx");
1423
1424         docstring const disp_fn = makeDisplayPath(filename);
1425         // emit message signal.
1426         message(bformat(_("Inserting document %1$s..."), disp_fn));
1427
1428         docstring res;
1429         Buffer buf("", false);
1430         if (lyx::loadLyXFile(&buf, makeAbsPath(filename))) {
1431                 ErrorList & el = buffer_->errorList("Parse");
1432                 // Copy the inserted document error list into the current buffer one.
1433                 el = buf.errorList("Parse");
1434                 cap::pasteParagraphList(cursor_, buf.paragraphs(),
1435                                              buf.params().textclass, el);
1436                 res = _("Document %1$s inserted.");
1437         } else
1438                 res = _("Could not insert document %1$s");
1439
1440         // emit message signal.
1441         message(bformat(res, disp_fn));
1442         buffer_->errors("Parse");
1443         resize();
1444 }
1445
1446
1447 } // namespace lyx