src/BufferView_pimpl.C

   1 /**
   2  * \file BufferView_pimpl.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Asger Alstrup
   7  * \author Alfredo Braunstein
   8  * \author Lars Gullik Bjønnes
   9  * \author Jean-Marc Lasgouttes
  10  * \author Angus Leeming
  11  * \author John Levon
  12  * \author André Pönitz
  13  * \author Dekel Tsur
  14  * \author Jürgen Vigna
  15  *
  16  * Full author contact details are available in file CREDITS.
  17  */
  18
  19 #include <config.h>
  20
  21 #include "BufferView_pimpl.h"
  22 #include "buffer.h"
  23 #include "buffer_funcs.h"
  24 #include "bufferlist.h"
  25 #include "bufferparams.h"
  26 #include "coordcache.h"
  27 #include "cursor.h"
  28 #include "CutAndPaste.h"
  29 #include "debug.h"
  30 #include "dispatchresult.h"
  31 #include "errorlist.h"
  32 #include "factory.h"
  33 #include "FloatList.h"
  34 #include "funcrequest.h"
  35 #include "FuncStatus.h"
  36 #include "gettext.h"
  37 #include "intl.h"
  38 #include "insetiterator.h"
  39 #include "LaTeXFeatures.h"
  40 #include "lyx_cb.h" // added for Dispatch functions
  41 #include "lyx_main.h"
  42 #include "lyxfind.h"
  43 #include "lyxfunc.h"
  44 #include "lyxtext.h"
  45 #include "lyxrc.h"
  46 #include "session.h"
  47 #include "metricsinfo.h"
  48 #include "paragraph.h"
  49 #include "paragraph_funcs.h"
  50 #include "ParagraphParameters.h"
  51 #include "pariterator.h"
  52 #include "toc.h"
  53 #include "undo.h"
  54 #include "vspace.h"
  55
  56 #include "insets/insetbibtex.h"
  57 #include "insets/insetref.h"
  58 #include "insets/insettext.h"
  59
  60 #include "frontends/Alert.h"
  61 #include "frontends/Dialogs.h"
  62 #include "frontends/FileDialog.h"
  63 #include "frontends/font_metrics.h"
  64 #include "frontends/Gui.h"
  65 #include "frontends/LyXView.h"
  66 #include "frontends/Selection.h"
  67
  68 #include "graphics/Previews.h"
  69
  70 #include "support/convert.h"
  71 #include "support/filefilterlist.h"
  72 #include "support/filetools.h"
  73 #include "support/package.h"
  74 #include "support/types.h"
  75
  76 #include <boost/bind.hpp>
  77 #include <boost/current_function.hpp>
  78
  79 #include <functional>
  80 #include <vector>
  81
  82 using lyx::frontend::Clipboard;
  83 using lyx::frontend::Gui;
  84
  85 using lyx::pos_type;
  86
  87 using lyx::support::addPath;
  88 using lyx::support::bformat;
  89 using lyx::support::FileFilterList;
  90 using lyx::support::fileSearch;
  91 using lyx::support::isDirWriteable;
  92 using lyx::support::makeDisplayPath;
  93 using lyx::support::makeAbsPath;
  94 using lyx::support::package;
  95
  96 using std::endl;
  97 using std::istringstream;
  98 using std::make_pair;
  99 using std::min;
 100 using std::max;
 101 using std::string;
 102 using std::mem_fun_ref;
 103 using std::vector;
 104
 105 extern BufferList bufferlist;
 106
 107
 108 namespace {
 109
 110 unsigned int const saved_positions_num = 20;
 111
 112
 113 /// Return an inset of this class if it exists at the current cursor position
 114 template <class T>
 115 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
 116 {
 117         T * inset = 0;
 118         DocIterator it = cur;
 119         if (it.nextInset() &&
 120             it.nextInset()->lyxCode() == code) {
 121                 inset = static_cast<T*>(it.nextInset());
 122         }
 123         return inset;
 124 }
 125
 126 } // anon namespace
 127
 128
 129 BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner)
 130         : bv_(&bv), owner_(owner), buffer_(0), wh_(0),
 131           cursor_(bv),
 132           multiparsel_cache_(false), anchor_ref_(0), offset_ref_(0)
 133 {
 134         xsel_cache_.set = false;
 135
 136         saved_positions.resize(saved_positions_num);
 137         // load saved bookmarks
 138         lyx::Session::BookmarkList & bmList = LyX::ref().session().loadBookmarks();
 139         for (lyx::Session::BookmarkList::iterator bm = bmList.begin();
 140                 bm != bmList.end(); ++bm)
 141                 if (bm->get<0>() < saved_positions_num)
 142                         saved_positions[bm->get<0>()] = Position( bm->get<1>(), bm->get<2>(), bm->get<3>() );
 143         // and then clear them
 144         bmList.clear();
 145 }
 146
 147
 148 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
 149 {
 150         // Get absolute path of file and add ".lyx"
 151         // to the filename if necessary
 152         string s = fileSearch(string(), filename, "lyx");
 153
 154         bool const found = !s.empty();
 155
 156         if (!found)
 157                 s = filename;
 158
 159         // File already open?
 160         if (bufferlist.exists(s)) {
 161                 string const file = makeDisplayPath(s, 20);
 162                 string text = bformat(_("The document %1$s is already "
 163                                         "loaded.\n\nDo you want to revert "
 164                                         "to the saved version?"), file);
 165                 int const ret = Alert::prompt(_("Revert to saved document?"),
 166                         text, 0, 1,  _("&Revert"), _("&Switch to document"));
 167
 168                 if (ret != 0) {
 169                         setBuffer(bufferlist.getBuffer(s));
 170                         return true;
 171                 }
 172                 // FIXME: should be LFUN_REVERT
 173                 if (!bufferlist.close(bufferlist.getBuffer(s), false))
 174                         return false;
 175                 // Fall through to new load. (Asger)
 176         }
 177
 178         Buffer * b = 0;
 179
 180         if (found) {
 181                 b = bufferlist.newBuffer(s);
 182                 if (!::loadLyXFile(b, s)) {
 183                         bufferlist.release(b);
 184                         return false;
 185                 }
 186         } else {
 187                 string text = bformat(_("The document %1$s does not yet "
 188                                         "exist.\n\nDo you want to create "
 189                                         "a new document?"), s);
 190                 int const ret = Alert::prompt(_("Create new document?"),
 191                          text, 0, 1, _("&Create"), _("Cancel"));
 192
 193                 if (ret == 0) {
 194                         b = newFile(s, string(), true);
 195                         if (!b)
 196                                 return false;
 197                 } else
 198                         return false;
 199         }
 200
 201         setBuffer(b);
 202         // Send the "errors" signal in case of parsing errors
 203         b->errors("Parse");
 204
 205         // scroll to the position when the file was last closed
 206         if (lyxrc.use_lastfilepos) {
 207                 lyx::pit_type pit;
 208                 lyx::pos_type pos;
 209                 boost::tie(pit, pos) = LyX::ref().session().loadFilePosition(s);
 210                 // I am not sure how to separate the following part to a function
 211                 // so I will leave this to Lars.
 212                 //
 213                 // check pit since the document may be externally changed.
 214                 if ( static_cast<size_t>(pit) < b->paragraphs().size() ) {
 215                         ParIterator it = b->par_iterator_begin();
 216                         ParIterator const end = b->par_iterator_end();
 217                         for (; it != end; ++it)
 218                                 if (it.pit() == pit) {
 219                                         // restored pos may be bigger than it->size
 220                                         bv_->setCursor(makeDocIterator(it, min(pos, it->size())));
 221                                         bv_->update(Update::FitCursor);
 222                                         break;
 223                                 }
 224                 }
 225         }
 226
 227         if (tolastfiles)
 228                 LyX::ref().session().addLastFile(b->fileName());
 229
 230         return true;
 231 }
 232
 233
 234 lyx::frontend::Gui & BufferView::Pimpl::gui() const
 235 {
 236         return owner_->gui();
 237 }
 238
 239
 240 int BufferView::Pimpl::width() const
 241 {
 242         return width_;
 243 }
 244
 245
 246 int BufferView::Pimpl::height() const
 247 {
 248         return height_;
 249 }
 250
 251
 252 void BufferView::Pimpl::setBuffer(Buffer * b)
 253 {
 254         lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
 255                             << "[ b = " << b << "]" << endl;
 256
 257         if (buffer_) {
 258                 // Save the actual cursor position and anchor inside the
 259                 // buffer so that it can be restored in case we rechange
 260                 // to this buffer later on.
 261                 buffer_->saveCursor(cursor_.selectionBegin(),
 262                                     cursor_.selectionEnd());
 263                 // current buffer is going to be switched-off, save cursor pos
 264                 LyX::ref().session().saveFilePosition(buffer_->fileName(),
 265                         boost::tie(cursor_.pit(), cursor_.pos()) );
 266         }
 267
 268         // If we are closing current buffer, switch to the first in
 269         // buffer list.
 270         if (!b) {
 271                 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
 272                                     << " No Buffer!" << endl;
 273                 // We are closing the buffer, use the first buffer as current
 274                 buffer_ = bufferlist.first();
 275                 owner_->getDialogs().hideBufferDependent();
 276         } else {
 277                 // Set current buffer
 278                 buffer_ = b;
 279         }
 280
 281         // Reset old cursor
 282         cursor_ = LCursor(*bv_);
 283         anchor_ref_ = 0;
 284         offset_ref_ = 0;
 285
 286
 287         // If we're quitting lyx, don't bother updating stuff
 288         if (quitting)
 289                 return;
 290
 291         if (buffer_) {
 292                 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
 293                                     << "Buffer addr: " << buffer_ << endl;
 294                 cursor_.push(buffer_->inset());
 295                 cursor_.resetAnchor();
 296                 buffer_->text().init(bv_);
 297                 buffer_->text().setCurrentFont(cursor_);
 298                 if (buffer_->getCursor().size() > 0 &&
 299                     buffer_->getAnchor().size() > 0)
 300                 {
 301                         cursor_.setCursor(buffer_->getAnchor().asDocIterator(&(buffer_->inset())));
 302                         cursor_.resetAnchor();
 303                         cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
 304                         cursor_.setSelection();
 305                 }
 306
 307                 // Buffer-dependent dialogs should be updated or
 308                 // hidden. This should go here because some dialogs (eg ToC)
 309                 // require bv_->text.
 310                 owner_->getDialogs().updateBufferDependent(true);
 311         }
 312
 313         update();
 314
 315         if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
 316                 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
 317 }
 318
 319 string BufferView::Pimpl::firstLayout()
 320 {
 321         string firstlayout;
 322
 323         // This is done after the layout combox has been populated
 324         if (buffer_) {
 325                 size_t i = cursor_.depth() - 1;
 326                 // we know we'll eventually find a paragraph
 327                 while (true) {
 328                         CursorSlice const & slice = cursor_[i];
 329                         if (!slice.inset().inMathed()) {
 330                                 LyXLayout_ptr const layout = slice.paragraph().layout();
 331                                 firstlayout = layout->name();
 332                                 break;
 333                         }
 334                         BOOST_ASSERT(i>0);
 335                         --i;
 336                 }
 337         }
 338         return firstlayout;
 339 }
 340
 341
 342 void BufferView::Pimpl::resizeCurrentBuffer()
 343 {
 344         lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
 345         owner_->busy(true);
 346         owner_->message(_("Formatting document..."));
 347
 348         LyXText * text = bv_->text();
 349         if (!text)
 350                 return;
 351
 352         text->init(bv_);
 353         update();
 354
 355         switchKeyMap();
 356         owner_->busy(false);
 357
 358         // Reset the "Formatting..." message
 359         owner_->clearMessage();
 360 }
 361
 362
 363 void BufferView::Pimpl::updateScrollbar()
 364 {
 365         if (!bv_->text()) {
 366                 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
 367                                      << " no text in updateScrollbar" << endl;
 368                 scrollbarParameters_.reset();
 369                 return;
 370         }
 371
 372         LyXText & t = *bv_->text();
 373         int const parsize = int(t.paragraphs().size() - 1);
 374         if (anchor_ref_ >  parsize)  {
 375                 anchor_ref_ = parsize;
 376                 offset_ref_ = 0;
 377         }
 378
 379         lyxerr[Debug::GUI]
 380                 << BOOST_CURRENT_FUNCTION
 381                 << " Updating scrollbar: height: " << t.paragraphs().size()
 382                 << " curr par: " << cursor_.bottom().pit()
 383                 << " default height " << defaultRowHeight() << endl;
 384
 385         // It would be better to fix the scrollbar to understand
 386         // values in [0..1] and divide everything by wh
 387
 388         // estimated average paragraph height:
 389         if (wh_ == 0)
 390                 wh_ = height_ / 4;
 391         int h = t.getPar(anchor_ref_).height();
 392
 393         // Normalize anchor/offset (MV):
 394         while (offset_ref_ > h && anchor_ref_ < parsize) {
 395                 anchor_ref_++;
 396                 offset_ref_ -= h;
 397                 h = t.getPar(anchor_ref_).height();
 398         }
 399         // Look at paragraph heights on-screen
 400         int sumh = 0;
 401         int nh = 0;
 402         for (lyx::pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
 403                 if (sumh > height_)
 404                         break;
 405                 int const h2 = t.getPar(pit).height();
 406                 sumh += h2;
 407                 nh++;
 408         }
 409         int const hav = sumh / nh;
 410         // More realistic average paragraph height
 411         if (hav > wh_)
 412                 wh_ = hav;
 413
 414         scrollbarParameters_.height = (parsize + 1) * wh_;
 415         scrollbarParameters_.position = anchor_ref_ * wh_ + int(offset_ref_ * wh_ / float(h));
 416         scrollbarParameters_.lineScrollHeight = int(wh_ * defaultRowHeight() / float(h));
 417 }
 418
 419
 420 ScrollbarParameters const & BufferView::Pimpl::scrollbarParameters() const
 421 {
 422         return scrollbarParameters_;
 423 }
 424
 425
 426 void BufferView::Pimpl::scrollDocView(int value)
 427 {
 428         lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
 429                            << "[ value = " << value << "]" << endl;
 430
 431         if (!buffer_)
 432                 return;
 433
 434         LyXText & t = *bv_->text();
 435
 436         float const bar = value / float(wh_ * t.paragraphs().size());
 437
 438         anchor_ref_ = int(bar * t.paragraphs().size());
 439         if (anchor_ref_ >  int(t.paragraphs().size()) - 1)
 440                 anchor_ref_ = int(t.paragraphs().size()) - 1;
 441         t.redoParagraph(anchor_ref_);
 442         int const h = t.getPar(anchor_ref_).height();
 443         offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
 444         update();
 445
 446         if (!lyxrc.cursor_follows_scrollbar)
 447                 return;
 448
 449         int const height = 2 * defaultRowHeight();
 450         int const first = height;
 451         int const last = height_ - height;
 452         LCursor & cur = cursor_;
 453
 454         bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
 455
 456         switch (st) {
 457         case bv_funcs::CUR_ABOVE:
 458                 t.setCursorFromCoordinates(cur, 0, first);
 459                 cur.clearSelection();
 460                 break;
 461         case bv_funcs::CUR_BELOW:
 462                 t.setCursorFromCoordinates(cur, 0, last);
 463                 cur.clearSelection();
 464                 break;
 465         case bv_funcs::CUR_INSIDE:
 466                 int const y = bv_funcs::getPos(cur, cur.boundary()).y_;
 467                 int const newy = min(last, max(y, first));
 468                 if (y != newy) {
 469                         cur.reset(buffer_->inset());
 470                         t.setCursorFromCoordinates(cur, 0, newy);
 471                 }
 472         }
 473         owner_->updateLayoutChoice();
 474 }
 475
 476
 477 void BufferView::Pimpl::scroll(int /*lines*/)
 478 {
 479 //      if (!buffer_)
 480 //              return;
 481 //
 482 //      LyXText const * t = bv_->text();
 483 //      int const line_height = defaultRowHeight();
 484 //
 485 //      // The new absolute coordinate
 486 //      int new_top_y = top_y() + lines * line_height;
 487 //
 488 //      // Restrict to a valid value
 489 //      new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
 490 //      new_top_y = std::max(0, new_top_y);
 491 //
 492 //      scrollDocView(new_top_y);
 493 //
 494 //      // Update the scrollbar.
 495 //      workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());}
 496 }
 497
 498
 499 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
 500                                          key_modifier::state state)
 501 {
 502         owner_->getLyXFunc().processKeySym(key, state);
 503 }
 504
 505
 506 void BufferView::Pimpl::selectionRequested()
 507 {
 508         static string sel;
 509
 510         if (!available())
 511                 return;
 512
 513         LCursor & cur = cursor_;
 514
 515         if (!cur.selection()) {
 516                 xsel_cache_.set = false;
 517                 return;
 518         }
 519
 520         if (!xsel_cache_.set ||
 521             cur.top() != xsel_cache_.cursor ||
 522             cur.anchor_.top() != xsel_cache_.anchor)
 523         {
 524                 xsel_cache_.cursor = cur.top();
 525                 xsel_cache_.anchor = cur.anchor_.top();
 526                 xsel_cache_.set = cur.selection();
 527                 sel = cur.selectionAsString(false);
 528                 if (!sel.empty())
 529                         owner_->gui().selection().put(sel);
 530         }
 531 }
 532
 533
 534 void BufferView::Pimpl::selectionLost()
 535 {
 536         if (available()) {
 537                 cursor_.clearSelection();
 538                 xsel_cache_.set = false;
 539         }
 540 }
 541
 542
 543 void BufferView::Pimpl::workAreaResize(int width, int height)
 544 {
 545         bool const widthChange = width != width_;
 546         bool const heightChange = height != height_;
 547
 548         // Update from work area
 549         width_ = width;
 550         height_ = height;
 551
 552         if (buffer_ && widthChange) {
 553                 // The visible LyXView need a resize
 554                 resizeCurrentBuffer();
 555         }
 556
 557         if (widthChange || heightChange)
 558                 update();
 559
 560         owner_->updateLayoutChoice();
 561 }
 562
 563
 564 bool BufferView::Pimpl::fitCursor()
 565 {
 566         if (bv_funcs::status(bv_, cursor_) == bv_funcs::CUR_INSIDE) {
 567                 LyXFont const font = cursor_.getFont();
 568                 int const asc = font_metrics::maxAscent(font);
 569                 int const des = font_metrics::maxDescent(font);
 570                 Point const p = bv_funcs::getPos(cursor_, cursor_.boundary());
 571                 if (p.y_ - asc >= 0 && p.y_ + des < height_)
 572                         return false;
 573         }
 574         center();
 575         return true;
 576 }
 577
 578
 579 bool BufferView::Pimpl::multiParSel()
 580 {
 581         if (!cursor_.selection())
 582                 return false;
 583         bool ret = multiparsel_cache_;
 584         multiparsel_cache_ = cursor_.selBegin().pit() != cursor_.selEnd().pit();
 585         // Either this, or previous selection spans paragraphs
 586         return ret || multiparsel_cache_;
 587 }
 588
 589
 590 ViewMetricsInfo const & BufferView::Pimpl::viewMetricsInfo()
 591 {
 592         return metrics_info_;
 593 }
 594
 595
 596 bool BufferView::Pimpl::update(Update::flags flags)
 597 {
 598         // This is close to a hot-path.
 599         if (lyxerr.debugging(Debug::DEBUG)) {
 600                 lyxerr[Debug::DEBUG]
 601                         << BOOST_CURRENT_FUNCTION
 602                         << "[fitcursor = " << (flags & Update::FitCursor)
 603                         << ", forceupdate = " << (flags & Update::Force)
 604                         << ", singlepar = " << (flags & Update::SinglePar)
 605                         << "]  buffer: " << buffer_ << endl;
 606         }
 607
 608         // Check needed to survive LyX startup
 609         if (!buffer_)
 610                 return false;
 611
 612         // Update macro store
 613         buffer_->buildMacros();
 614
 615         // First drawing step
 616         updateMetrics(flags & Update::SinglePar);
 617
 618         // The second drawing step is done in WorkArea::redraw() if needed.
 619         bool const need_second_step =
 620                 (flags & (Update::Force | Update::FitCursor | Update::MultiParSel))
 621                 && (fitCursor() || multiParSel());
 622
 623         return need_second_step;
 624 }
 625
 626
 627 bool BufferView::Pimpl::available() const
 628 {
 629         return buffer_ && bv_->text();
 630 }
 631
 632
 633 Change const BufferView::Pimpl::getCurrentChange()
 634 {
 635         if (!buffer_->params().tracking_changes)
 636                 return Change(Change::UNCHANGED);
 637
 638         LyXText * text = bv_->getLyXText();
 639         LCursor & cur = cursor_;
 640
 641         if (!cur.selection())
 642                 return Change(Change::UNCHANGED);
 643
 644         return text->getPar(cur.selBegin().pit()).
 645                         lookupChange(cur.selBegin().pos());
 646 }
 647
 648
 649 void BufferView::Pimpl::savePosition(unsigned int i)
 650 {
 651         if (i >= saved_positions_num)
 652                 return;
 653         BOOST_ASSERT(cursor_.inTexted());
 654         saved_positions[i] = Position(buffer_->fileName(),
 655                                       cursor_.paragraph().id(),
 656                                       cursor_.pos());
 657         if (i > 0)
 658                 owner_->message(bformat(_("Saved bookmark %1$d"), i));
 659 }
 660
 661
 662 void BufferView::Pimpl::restorePosition(unsigned int i)
 663 {
 664         if (i >= saved_positions_num)
 665                 return;
 666
 667         string const fname = saved_positions[i].filename;
 668
 669         cursor_.clearSelection();
 670
 671         if (fname != buffer_->fileName()) {
 672                 Buffer * b = 0;
 673                 if (bufferlist.exists(fname))
 674                         b = bufferlist.getBuffer(fname);
 675                 else {
 676                         b = bufferlist.newBuffer(fname);
 677                         // Don't ask, just load it
 678                         ::loadLyXFile(b, fname);
 679                 }
 680                 if (b)
 681                         setBuffer(b);
 682         }
 683
 684         ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
 685         if (par == buffer_->par_iterator_end())
 686                 return;
 687
 688         bv_->setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
 689
 690         if (i > 0)
 691                 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
 692 }
 693
 694
 695 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
 696 {
 697         return i < saved_positions_num && !saved_positions[i].filename.empty();
 698 }
 699
 700
 701 void BufferView::Pimpl::saveSavedPositions()
 702 {
 703         // save bookmarks. It is better to use the pit interface
 704         // but I do not know how to effectively convert between
 705         // par_id and pit.
 706         for (unsigned int i=1; i < saved_positions_num; ++i) {
 707                 if ( isSavedPosition(i) )
 708                         LyX::ref().session().saveBookmark( boost::tie(
 709                                 i,
 710                                 saved_positions[i].filename,
 711                                 saved_positions[i].par_id,
 712                                 saved_positions[i].par_pos) );
 713         }
 714 }
 715
 716
 717 void BufferView::Pimpl::switchKeyMap()
 718 {
 719         if (!lyxrc.rtl_support)
 720                 return;
 721
 722         Intl & intl = owner_->getIntl();
 723         if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
 724                 if (intl.keymap == Intl::PRIMARY)
 725                         intl.keyMapSec();
 726         } else {
 727                 if (intl.keymap == Intl::SECONDARY)
 728                         intl.keyMapPrim();
 729         }
 730 }
 731
 732
 733 void BufferView::Pimpl::center()
 734 {
 735         CursorSlice & bot = cursor_.bottom();
 736         lyx::pit_type const pit = bot.pit();
 737         bot.text()->redoParagraph(pit);
 738         Paragraph const & par = bot.text()->paragraphs()[pit];
 739         anchor_ref_ = pit;
 740         offset_ref_ = bv_funcs::coordOffset(cursor_, cursor_.boundary()).y_
 741                 + par.ascent() - height_ / 2;
 742 }
 743
 744
 745 void BufferView::Pimpl::menuInsertLyXFile(string const & filenm)
 746 {
 747         BOOST_ASSERT(cursor_.inTexted());
 748         string filename = filenm;
 749
 750         if (filename.empty()) {
 751                 // Launch a file browser
 752                 string initpath = lyxrc.document_path;
 753
 754                 if (available()) {
 755                         string const trypath = buffer_->filePath();
 756                         // If directory is writeable, use this as default.
 757                         if (isDirWriteable(trypath))
 758                                 initpath = trypath;
 759                 }
 760
 761                 FileDialog fileDlg(_("Select LyX document to insert"),
 762                         LFUN_FILE_INSERT,
 763                         make_pair(string(_("Documents|#o#O")),
 764                                   string(lyxrc.document_path)),
 765                         make_pair(string(_("Examples|#E#e")),
 766                                   string(addPath(package().system_support(), "examples"))));
 767
 768                 FileDialog::Result result =
 769                         fileDlg.open(initpath,
 770                                      FileFilterList(_("LyX Documents (*.lyx)")),
 771                                      string());
 772
 773                 if (result.first == FileDialog::Later)
 774                         return;
 775
 776                 filename = result.second;
 777
 778                 // check selected filename
 779                 if (filename.empty()) {
 780                         owner_->message(_("Canceled."));
 781                         return;
 782                 }
 783         }
 784
 785         // Get absolute path of file and add ".lyx"
 786         // to the filename if necessary
 787         filename = fileSearch(string(), filename, "lyx");
 788
 789         string const disp_fn = makeDisplayPath(filename);
 790         owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
 791
 792         string res;
 793         Buffer buf("", false);
 794         if (::loadLyXFile(&buf, makeAbsPath(filename))) {
 795                 ErrorList & el = buffer_->errorList("Parse");
 796                 // Copy the inserted document error list into the current buffer one.
 797                 el = buf.errorList("Parse");
 798                 lyx::cap::pasteParagraphList(cursor_, buf.paragraphs(),
 799                                              buf.params().textclass, el);
 800                 res = _("Document %1$s inserted.");
 801         } else
 802                 res = _("Could not insert document %1$s");
 803
 804         owner_->message(bformat(res, disp_fn));
 805         buffer_->errors("Parse");
 806         resizeCurrentBuffer();
 807 }
 808
 809
 810 void BufferView::Pimpl::trackChanges()
 811 {
 812         bool const tracking = buffer_->params().tracking_changes;
 813
 814         if (!tracking) {
 815                 for_each(buffer_->par_iterator_begin(),
 816                          buffer_->par_iterator_end(),
 817                          bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
 818                 buffer_->params().tracking_changes = true;
 819
 820                 // We cannot allow undos beyond the freeze point
 821                 buffer_->undostack().clear();
 822         } else {
 823                 cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
 824                 if (lyx::find::findNextChange(bv_)) {
 825                         owner_->getDialogs().show("changes");
 826                         return;
 827                 }
 828
 829                 for_each(buffer_->par_iterator_begin(),
 830                          buffer_->par_iterator_end(),
 831                          mem_fun_ref(&Paragraph::untrackChanges));
 832
 833                 buffer_->params().tracking_changes = false;
 834         }
 835
 836         buffer_->redostack().clear();
 837 }
 838
 839
 840 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
 841 {
 842         //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
 843
 844         // This is only called for mouse related events including
 845         // LFUN_FILE_OPEN generated by drag-and-drop.
 846         FuncRequest cmd = cmd0;
 847
 848         // Handle drag&drop
 849         if (cmd.action == LFUN_FILE_OPEN) {
 850                 owner_->dispatch(cmd);
 851                 return true;
 852         }
 853
 854         if (!buffer_)
 855                 return false;
 856
 857         LCursor cur(*bv_);
 858         cur.push(buffer_->inset());
 859         cur.selection() = cursor_.selection();
 860
 861         // Doesn't go through lyxfunc, so we need to update
 862         // the layout choice etc. ourselves
 863
 864         // E.g. Qt mouse press when no buffer
 865         if (!available())
 866                 return false;
 867
 868         // Either the inset under the cursor or the
 869         // surrounding LyXText will handle this event.
 870
 871         // Build temporary cursor.
 872         cmd.y = min(max(cmd.y, -1), height_);
 873         InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
 874         //lyxerr << BOOST_CURRENT_FUNCTION
 875         //       << " * hit inset at tip: " << inset << endl;
 876         //lyxerr << BOOST_CURRENT_FUNCTION
 877         //       << " * created temp cursor:" << cur << endl;
 878
 879         // Put anchor at the same position.
 880         cur.resetAnchor();
 881
 882         // Try to dispatch to an non-editable inset near this position
 883         // via the temp cursor. If the inset wishes to change the real
 884         // cursor it has to do so explicitly by using
 885         //  cur.bv().cursor() = cur;  (or similar)
 886         if (inset)
 887                 inset->dispatch(cur, cmd);
 888
 889         // Now dispatch to the temporary cursor. If the real cursor should
 890         // be modified, the inset's dispatch has to do so explicitly.
 891         if (!cur.result().dispatched())
 892                 cur.dispatch(cmd);
 893
 894         if (cur.result().dispatched()) {
 895                 // Redraw if requested or necessary.
 896                 if (cur.result().update())
 897                         update(Update::FitCursor | Update::Force);
 898                 else
 899                         update(Update::FitCursor | Update::MultiParSel);
 900         }
 901
 902         // Skip these when selecting
 903         if (cmd.action != LFUN_MOUSE_MOTION) {
 904                 owner_->updateLayoutChoice();
 905                 owner_->updateToolbars();
 906         }
 907
 908         // Slight hack: this is only called currently when we
 909         // clicked somewhere, so we force through the display
 910         // of the new status here.
 911         owner_->clearMessage();
 912         return true;
 913 }
 914
 915
 916 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
 917 {
 918         FuncStatus flag;
 919
 920         switch (cmd.action) {
 921
 922         case LFUN_UNDO:
 923                 flag.enabled(!buffer_->undostack().empty());
 924                 break;
 925         case LFUN_REDO:
 926                 flag.enabled(!buffer_->redostack().empty());
 927                 break;
 928         case LFUN_FILE_INSERT:
 929         case LFUN_FILE_INSERT_ASCII_PARA:
 930         case LFUN_FILE_INSERT_ASCII:
 931         case LFUN_BOOKMARK_SAVE:
 932                 // FIXME: Actually, these LFUNS should be moved to LyXText
 933                 flag.enabled(cursor_.inTexted());
 934                 break;
 935         case LFUN_FONT_STATE:
 936         case LFUN_LABEL_INSERT:
 937         case LFUN_PARAGRAPH_GOTO:
 938         // FIXME handle non-trivially
 939         case LFUN_OUTLINE_UP:
 940         case LFUN_OUTLINE_DOWN:
 941         case LFUN_OUTLINE_IN:
 942         case LFUN_OUTLINE_OUT:
 943         case LFUN_ERROR_NEXT:
 944         case LFUN_NOTE_NEXT:
 945         case LFUN_REFERENCE_NEXT:
 946         case LFUN_WORD_FIND:
 947         case LFUN_WORD_REPLACE:
 948         case LFUN_MARK_OFF:
 949         case LFUN_MARK_ON:
 950         case LFUN_MARK_TOGGLE:
 951         case LFUN_SCREEN_RECENTER:
 952         case LFUN_BIBTEX_DATABASE_ADD:
 953         case LFUN_BIBTEX_DATABASE_DEL:
 954         case LFUN_WORDS_COUNT:
 955         case LFUN_NEXT_INSET_TOGGLE:
 956                 flag.enabled(true);
 957                 break;
 958
 959         case LFUN_LABEL_GOTO: {
 960                 flag.enabled(!cmd.argument.empty()
 961                     || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
 962                 break;
 963         }
 964
 965         case LFUN_BOOKMARK_GOTO:
 966                 flag.enabled(isSavedPosition(convert<unsigned int>(cmd.argument)));
 967                 break;
 968         case LFUN_CHANGES_TRACK:
 969                 flag.enabled(true);
 970                 flag.setOnOff(buffer_->params().tracking_changes);
 971                 break;
 972
 973         case LFUN_CHANGES_OUTPUT: {
 974                 OutputParams runparams;
 975                 LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
 976                 flag.enabled(buffer_ && buffer_->params().tracking_changes
 977                         && features.isAvailable("dvipost"));
 978                 flag.setOnOff(buffer_->params().output_changes);
 979                 break;
 980         }
 981
 982         case LFUN_CHANGES_MERGE:
 983         case LFUN_CHANGE_ACCEPT: // what about these two
 984         case LFUN_CHANGE_REJECT: // what about these two
 985         case LFUN_ALL_CHANGES_ACCEPT:
 986         case LFUN_ALL_CHANGES_REJECT:
 987                 flag.enabled(buffer_ && buffer_->params().tracking_changes);
 988                 break;
 989
 990         case LFUN_BUFFER_TOGGLE_COMPRESSION: {
 991                 flag.setOnOff(buffer_->params().compressed);
 992                 break;
 993         }
 994
 995         default:
 996                 flag.enabled(false);
 997         }
 998
 999         return flag;
1000 }
1001
1002
1003
1004 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1005 {
1006         //lyxerr << BOOST_CURRENT_FUNCTION
1007         //       << [ cmd = " << cmd << "]" << endl;
1008
1009         // Make sure that the cached BufferView is correct.
1010         lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
1011                 << " action[" << cmd.action << ']'
1012                 << " arg[" << cmd.argument << ']'
1013                 << " x[" << cmd.x << ']'
1014                 << " y[" << cmd.y << ']'
1015                 << " button[" << cmd.button() << ']'
1016                 << endl;
1017
1018         LCursor & cur = cursor_;
1019
1020         switch (cmd.action) {
1021
1022         case LFUN_UNDO:
1023                 if (available()) {
1024                         cur.message(_("Undo"));
1025                         cur.clearSelection();
1026                         if (!textUndo(*bv_))
1027                                 cur.message(_("No further undo information"));
1028                         update();
1029                         switchKeyMap();
1030                 }
1031                 break;
1032
1033         case LFUN_REDO:
1034                 if (available()) {
1035                         cur.message(_("Redo"));
1036                         cur.clearSelection();
1037                         if (!textRedo(*bv_))
1038                                 cur.message(_("No further redo information"));
1039                         update();
1040                         switchKeyMap();
1041                 }
1042                 break;
1043
1044         case LFUN_FILE_INSERT:
1045                 menuInsertLyXFile(cmd.argument);
1046                 break;
1047
1048         case LFUN_FILE_INSERT_ASCII_PARA:
1049                 insertAsciiFile(bv_, cmd.argument, true);
1050                 break;
1051
1052         case LFUN_FILE_INSERT_ASCII:
1053                 insertAsciiFile(bv_, cmd.argument, false);
1054                 break;
1055
1056         case LFUN_FONT_STATE:
1057                 cur.message(cur.currentState());
1058                 break;
1059
1060         case LFUN_BOOKMARK_SAVE:
1061                 savePosition(convert<unsigned int>(cmd.argument));
1062                 break;
1063
1064         case LFUN_BOOKMARK_GOTO:
1065                 restorePosition(convert<unsigned int>(cmd.argument));
1066                 break;
1067
1068         case LFUN_LABEL_GOTO: {
1069                 string label = cmd.argument;
1070                 if (label.empty()) {
1071                         InsetRef * inset =
1072                                 getInsetByCode<InsetRef>(cursor_,
1073                                                          InsetBase::REF_CODE);
1074                         if (inset) {
1075                                 label = inset->getContents();
1076                                 savePosition(0);
1077                         }
1078                 }
1079
1080                 if (!label.empty())
1081                         bv_->gotoLabel(label);
1082                 break;
1083         }
1084
1085         case LFUN_PARAGRAPH_GOTO: {
1086                 int const id = convert<int>(cmd.argument);
1087                 ParIterator par = buffer_->getParFromID(id);
1088                 if (par == buffer_->par_iterator_end()) {
1089                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1090                                             << id << ']' << endl;
1091                         break;
1092                 } else {
1093                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1094                                             << " found." << endl;
1095                 }
1096
1097                 // Set the cursor
1098                 bv_->setCursor(makeDocIterator(par, 0));
1099
1100                 update();
1101                 switchKeyMap();
1102                 break;
1103         }
1104
1105         case LFUN_OUTLINE_UP:
1106                 lyx::toc::outline(lyx::toc::Up, cursor_);
1107                 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1108                 updateLabels(*buffer_);
1109                 break;
1110         case LFUN_OUTLINE_DOWN:
1111                 lyx::toc::outline(lyx::toc::Down, cursor_);
1112                 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1113                 updateLabels(*buffer_);
1114                 break;
1115         case LFUN_OUTLINE_IN:
1116                 lyx::toc::outline(lyx::toc::In, cursor_);
1117                 updateLabels(*buffer_);
1118                 break;
1119         case LFUN_OUTLINE_OUT:
1120                 lyx::toc::outline(lyx::toc::Out, cursor_);
1121                 updateLabels(*buffer_);
1122                 break;
1123
1124         case LFUN_ERROR_NEXT:
1125                 bv_funcs::gotoInset(bv_, InsetBase::ERROR_CODE, false);
1126                 break;
1127
1128         case LFUN_NOTE_NEXT:
1129                 bv_funcs::gotoInset(bv_, InsetBase::NOTE_CODE, false);
1130                 break;
1131
1132         case LFUN_REFERENCE_NEXT: {
1133                 vector<InsetBase_code> tmp;
1134                 tmp.push_back(InsetBase::LABEL_CODE);
1135                 tmp.push_back(InsetBase::REF_CODE);
1136                 bv_funcs::gotoInset(bv_, tmp, true);
1137                 break;
1138         }
1139
1140         case LFUN_CHANGES_TRACK:
1141                 trackChanges();
1142                 break;
1143
1144         case LFUN_CHANGES_OUTPUT: {
1145                 bool const state = buffer_->params().output_changes;
1146                 buffer_->params().output_changes = !state;
1147                 break;
1148         }
1149
1150         case LFUN_CHANGES_MERGE:
1151                 if (lyx::find::findNextChange(bv_))
1152                         owner_->getDialogs().show("changes");
1153                 break;
1154
1155         case LFUN_ALL_CHANGES_ACCEPT: {
1156                 cursor_.reset(buffer_->inset());
1157 #ifdef WITH_WARNINGS
1158 #warning FIXME changes
1159 #endif
1160                 while (lyx::find::findNextChange(bv_))
1161                         bv_->getLyXText()->acceptChange(cursor_);
1162                 update();
1163                 break;
1164         }
1165
1166         case LFUN_ALL_CHANGES_REJECT: {
1167                 cursor_.reset(buffer_->inset());
1168 #ifdef WITH_WARNINGS
1169 #warning FIXME changes
1170 #endif
1171                 while (lyx::find::findNextChange(bv_))
1172                         bv_->getLyXText()->rejectChange(cursor_);
1173                 break;
1174         }
1175
1176         case LFUN_WORD_FIND:
1177                 lyx::find::find(bv_, cmd);
1178                 break;
1179
1180         case LFUN_WORD_REPLACE:
1181                 lyx::find::replace(bv_, cmd);
1182                 break;
1183
1184         case LFUN_MARK_OFF:
1185                 cur.clearSelection();
1186                 cur.resetAnchor();
1187                 cur.message(N_("Mark off"));
1188                 break;
1189
1190         case LFUN_MARK_ON:
1191                 cur.clearSelection();
1192                 cur.mark() = true;
1193                 cur.resetAnchor();
1194                 cur.message(N_("Mark on"));
1195                 break;
1196
1197         case LFUN_MARK_TOGGLE:
1198                 cur.clearSelection();
1199                 if (cur.mark()) {
1200                         cur.mark() = false;
1201                         cur.message(N_("Mark removed"));
1202                 } else {
1203                         cur.mark() = true;
1204                         cur.message(N_("Mark set"));
1205                 }
1206                 cur.resetAnchor();
1207                 break;
1208
1209         case LFUN_SCREEN_RECENTER:
1210                 center();
1211                 break;
1212
1213         case LFUN_BIBTEX_DATABASE_ADD: {
1214                 LCursor tmpcur = cursor_;
1215                 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1216                 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1217                                                 InsetBase::BIBTEX_CODE);
1218                 if (inset) {
1219                         if (inset->addDatabase(cmd.argument))
1220                                 buffer_->updateBibfilesCache();
1221                 }
1222                 break;
1223         }
1224
1225         case LFUN_BIBTEX_DATABASE_DEL: {
1226                 LCursor tmpcur = cursor_;
1227                 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1228                 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1229                                                 InsetBase::BIBTEX_CODE);
1230                 if (inset) {
1231                         if (inset->delDatabase(cmd.argument))
1232                                 buffer_->updateBibfilesCache();
1233                 }
1234                 break;
1235         }
1236
1237         case LFUN_WORDS_COUNT: {
1238                 DocIterator from, to;
1239                 if (cur.selection()) {
1240                         from = cur.selectionBegin();
1241                         to = cur.selectionEnd();
1242                 } else {
1243                         from = doc_iterator_begin(buffer_->inset());
1244                         to = doc_iterator_end(buffer_->inset());
1245                 }
1246                 int const count = countWords(from, to);
1247                 string message;
1248                 if (count != 1) {
1249                         if (cur.selection())
1250                                 message = bformat(_("%1$d words in selection."),
1251                                           count);
1252                                 else
1253                                         message = bformat(_("%1$d words in document."),
1254                                                           count);
1255                 }
1256                 else {
1257                         if (cur.selection())
1258                                 message = _("One word in selection.");
1259                         else
1260                                 message = _("One word in document.");
1261                 }
1262
1263                 Alert::information(_("Count words"), message);
1264         }
1265                 break;
1266
1267         case LFUN_BUFFER_TOGGLE_COMPRESSION:
1268                 // turn compression on/off
1269                 buffer_->params().compressed = !buffer_->params().compressed;
1270                 break;
1271
1272         case LFUN_NEXT_INSET_TOGGLE: {
1273                 // this is the real function we want to invoke
1274                 FuncRequest tmpcmd = FuncRequest(LFUN_INSET_TOGGLE, cmd.origin);
1275                 // if there is an inset at cursor, see whether it
1276                 // wants to toggle.
1277                 InsetBase * inset = cur.nextInset();
1278                 if (inset && inset->isActive()) {
1279                         LCursor tmpcur = cur;
1280                         tmpcur.pushLeft(*inset);
1281                         inset->dispatch(tmpcur, tmpcmd);
1282                         if (tmpcur.result().dispatched()) {
1283                                 cur.dispatched();
1284                         }
1285                 }
1286                 // if it did not work, try the underlying inset.
1287                 if (!cur.result().dispatched())
1288                         cur.dispatch(tmpcmd);
1289
1290                 if (cur.result().dispatched())
1291                         cur.clearSelection();
1292
1293                 break;
1294         }
1295
1296         default:
1297                 return false;
1298         }
1299
1300         return true;
1301 }
1302
1303
1304 void BufferView::Pimpl::updateMetrics(bool singlepar)
1305 {
1306         // Remove old position cache
1307         theCoords.clear();
1308         BufferView & bv = *bv_;
1309         LyXText * const text = bv.text();
1310         lyx::pit_type size = int(text->paragraphs().size());
1311
1312         if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1313                 anchor_ref_ = int(text->paragraphs().size() - 1);
1314                 offset_ref_ = 0;
1315         }
1316
1317         lyx::pit_type const pit = anchor_ref_;
1318         int pit1 = pit;
1319         int pit2 = pit;
1320         size_t const npit = text->paragraphs().size();
1321
1322         // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
1323         // the (main text, not inset!) paragraph containing the cursor.
1324         // (if this paragraph contains insets etc., rebreaking will
1325         // recursively descend)
1326         if (!singlepar || pit == cursor_.bottom().pit())
1327                 text->redoParagraph(pit);
1328         int y0 = text->getPar(pit).ascent() - offset_ref_;
1329
1330         // Redo paragraphs above anchor if necessary; again, in Single Par
1331         // mode, only if we encounter the (main text) one having the cursor.
1332         int y1 = y0;
1333         while (y1 > 0 && pit1 > 0) {
1334                 y1 -= text->getPar(pit1).ascent();
1335                 --pit1;
1336                 if (!singlepar || pit1 == cursor_.bottom().pit())
1337                         text->redoParagraph(pit1);
1338                 y1 -= text->getPar(pit1).descent();
1339         }
1340
1341
1342         // Take care of ascent of first line
1343         y1 -= text->getPar(pit1).ascent();
1344
1345         // Normalize anchor for next time
1346         anchor_ref_ = pit1;
1347         offset_ref_ = -y1;
1348
1349         // Grey at the beginning is ugly
1350         if (pit1 == 0 && y1 > 0) {
1351                 y0 -= y1;
1352                 y1 = 0;
1353                 anchor_ref_ = 0;
1354         }
1355
1356         // Redo paragraphs below the anchor if necessary. Single par mode:
1357         // only the one containing the cursor if encountered.
1358         int y2 = y0;
1359         while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1360                 y2 += text->getPar(pit2).descent();
1361                 ++pit2;
1362                 if (!singlepar || pit2 == cursor_.bottom().pit())
1363                         text->redoParagraph(pit2);
1364                 y2 += text->getPar(pit2).ascent();
1365         }
1366
1367         // Take care of descent of last line
1368         y2 += text->getPar(pit2).descent();
1369
1370         // The coordinates of all these paragraphs are correct, cache them
1371         int y = y1;
1372         CoordCache::InnerParPosCache & parPos = theCoords.parPos()[text];
1373         for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1374                 Paragraph const & par = text->getPar(pit);
1375                 y += par.ascent();
1376                 parPos[pit] = Point(0, y);
1377                 if (singlepar && pit == cursor_.bottom().pit()) {
1378                         // In Single Paragraph mode, collect here the
1379                         // y1 and y2 of the (one) paragraph the cursor is in
1380                         y1 = y - par.ascent();
1381                         y2 = y + par.descent();
1382                 }
1383                 y += par.descent();
1384         }
1385
1386         if (singlepar) {
1387                 // collect cursor paragraph iter bounds
1388                 pit1 = cursor_.bottom().pit();
1389                 pit2 = cursor_.bottom().pit();
1390         }
1391
1392         lyxerr[Debug::DEBUG]
1393                 << BOOST_CURRENT_FUNCTION
1394                 << " y1: " << y1
1395                 << " y2: " << y2
1396                 << " pit1: " << pit1
1397                 << " pit2: " << pit2
1398                 << " npit: " << npit
1399                 << " singlepar: " << singlepar
1400                 << "size: " << size
1401                 << endl;
1402
1403         metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);
1404 }