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