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