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