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.
6 * \author Asger Alstrup
7 * \author Alfredo Braunstein
8 * \author Lars Gullik Bjønnes
9 * \author Jean-Marc Lasgouttes
10 * \author Angus Leeming
12 * \author André Pönitz
14 * \author Jürgen Vigna
16 * Full author contact details are available in file CREDITS.
21 #include "BufferView_pimpl.h"
23 #include "buffer_funcs.h"
24 #include "bufferlist.h"
25 #include "bufferparams.h"
26 #include "coordcache.h"
28 #include "CutAndPaste.h"
30 #include "dispatchresult.h"
32 #include "FloatList.h"
33 #include "funcrequest.h"
34 #include "FuncStatus.h"
37 #include "insetiterator.h"
38 #include "LaTeXFeatures.h"
39 #include "lyx_cb.h" // added for Dispatch functions
46 #include "metricsinfo.h"
47 #include "paragraph.h"
48 #include "paragraph_funcs.h"
49 #include "ParagraphParameters.h"
50 #include "pariterator.h"
51 #include "rowpainter.h"
56 #include "insets/insetbibtex.h"
57 #include "insets/insetref.h"
58 #include "insets/insettext.h"
60 #include "frontends/Alert.h"
61 #include "frontends/Clipboard.h"
62 #include "frontends/Dialogs.h"
63 #include "frontends/FileDialog.h"
64 #include "frontends/font_metrics.h"
65 #include "frontends/Gui.h"
66 #include "frontends/LyXView.h"
67 #include "frontends/WorkArea.h"
69 #include "graphics/Previews.h"
71 #include "support/convert.h"
72 #include "support/filefilterlist.h"
73 #include "support/filetools.h"
74 #include "support/forkedcontr.h"
75 #include "support/package.h"
76 #include "support/types.h"
78 #include <boost/bind.hpp>
79 #include <boost/current_function.hpp>
84 using lyx::frontend::WorkArea;
85 using lyx::frontend::Clipboard;
86 using lyx::frontend::Gui;
90 using lyx::support::addPath;
91 using lyx::support::bformat;
92 using lyx::support::FileFilterList;
93 using lyx::support::fileSearch;
94 using lyx::support::ForkedcallsController;
95 using lyx::support::isDirWriteable;
96 using lyx::support::makeDisplayPath;
97 using lyx::support::makeAbsPath;
98 using lyx::support::package;
101 using std::istringstream;
102 using std::make_pair;
106 using std::mem_fun_ref;
109 extern BufferList bufferlist;
114 unsigned int const saved_positions_num = 20;
116 // All the below connection objects are needed because of a bug in some
117 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
118 // to these connections we avoid a segfault upon startup, and also at exit.
121 boost::signals::connection timecon;
123 /// Return an inset of this class if it exists at the current cursor position
125 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
128 DocIterator it = cur;
129 if (it.nextInset() &&
130 it.nextInset()->lyxCode() == code) {
131 inset = static_cast<T*>(it.nextInset());
139 BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner)
140 : bv_(&bv), owner_(owner), buffer_(0), wh_(0), cursor_timeout(400),
141 using_xterm_cursor(false), cursor_(bv),
142 multiparsel_cache_(false), anchor_ref_(0), offset_ref_(0)
144 xsel_cache_.set = false;
147 timecon = cursor_timeout.timeout
148 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
150 cursor_timeout.start();
152 saved_positions.resize(saved_positions_num);
153 // load saved bookmarks
154 lyx::Session::BookmarkList & bmList = LyX::ref().session().loadBookmarks();
155 for (lyx::Session::BookmarkList::iterator bm = bmList.begin();
156 bm != bmList.end(); ++bm)
157 if (bm->get<0>() < saved_positions_num)
158 saved_positions[bm->get<0>()] = Position( bm->get<1>(), bm->get<2>(), bm->get<3>() );
159 // and then clear them
164 void BufferView::Pimpl::addError(ErrorItem const & ei)
166 errorlist_.push_back(ei);
170 void BufferView::Pimpl::showReadonly(bool)
172 owner_->updateWindowTitle();
173 owner_->getDialogs().updateBufferDependent(false);
177 void BufferView::Pimpl::connectBuffer(Buffer & buf)
179 if (errorConnection_.connected())
184 boost::bind(&BufferView::Pimpl::addError, this, _1));
188 boost::bind(&LyXView::message, owner_, _1));
192 boost::bind(&LyXView::busy, owner_, _1));
195 buf.updateTitles.connect(
196 boost::bind(&LyXView::updateWindowTitle, owner_));
199 buf.resetAutosaveTimers.connect(
200 boost::bind(&LyXView::resetAutosaveTimer, owner_));
202 readonlyConnection_ =
203 buf.readonly.connect(
204 boost::bind(&BufferView::Pimpl::showReadonly, this, _1));
208 boost::bind(&BufferView::Pimpl::setBuffer, this, (Buffer *)0));
212 void BufferView::Pimpl::disconnectBuffer()
214 errorConnection_.disconnect();
215 messageConnection_.disconnect();
216 busyConnection_.disconnect();
217 titleConnection_.disconnect();
218 timerConnection_.disconnect();
219 readonlyConnection_.disconnect();
220 closingConnection_.disconnect();
224 void BufferView::Pimpl::newFile(string const & filename, string const & tname,
227 setBuffer(::newFile(filename, tname, isNamed));
231 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
233 // Get absolute path of file and add ".lyx"
234 // to the filename if necessary
235 string s = fileSearch(string(), filename, "lyx");
237 bool const found = !s.empty();
242 // File already open?
243 if (bufferlist.exists(s)) {
244 string const file = makeDisplayPath(s, 20);
245 string text = bformat(_("The document %1$s is already "
246 "loaded.\n\nDo you want to revert "
247 "to the saved version?"), file);
248 int const ret = Alert::prompt(_("Revert to saved document?"),
249 text, 0, 1, _("&Revert"), _("&Switch to document"));
252 setBuffer(bufferlist.getBuffer(s));
255 // FIXME: should be LFUN_REVERT
256 if (!bufferlist.close(bufferlist.getBuffer(s), false))
258 // Fall through to new load. (Asger)
264 b = bufferlist.newBuffer(s);
266 if (!::loadLyXFile(b, s)) {
267 bufferlist.release(b);
271 string text = bformat(_("The document %1$s does not yet "
272 "exist.\n\nDo you want to create "
273 "a new document?"), s);
274 int const ret = Alert::prompt(_("Create new document?"),
275 text, 0, 1, _("&Create"), _("Cancel"));
278 b = ::newFile(s, string(), true);
284 bv_->showErrorList(_("Parse"));
286 // scroll to the position when the file was last closed
287 if (lyxrc.use_lastfilepos) {
290 boost::tie(pit, pos) = LyX::ref().session().loadFilePosition(s);
291 // I am not sure how to separate the following part to a function
292 // so I will leave this to Lars.
294 // check pit since the document may be externally changed.
295 if ( static_cast<size_t>(pit) < b->paragraphs().size() ) {
296 ParIterator it = b->par_iterator_begin();
297 ParIterator const end = b->par_iterator_end();
298 for (; it != end; ++it)
299 if (it.pit() == pit) {
300 // restored pos may be bigger than it->size
301 bv_->setCursor(makeDocIterator(it, min(pos, it->size())));
302 bv_->update(Update::FitCursor);
309 LyX::ref().session().addLastFile(b->fileName());
315 lyx::frontend::Gui & BufferView::Pimpl::gui() const
317 return owner_->gui();
321 int BufferView::Pimpl::width() const
327 int BufferView::Pimpl::height() const
333 void BufferView::Pimpl::setBuffer(Buffer * b)
335 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
336 << "[ b = " << b << "]" << endl;
340 // Save the actual cursor position and anchor inside the
341 // buffer so that it can be restored in case we rechange
342 // to this buffer later on.
343 buffer_->saveCursor(cursor_.selectionBegin(),
344 cursor_.selectionEnd());
345 // current buffer is going to be switched-off, save cursor pos
346 LyX::ref().session().saveFilePosition(buffer_->fileName(),
347 boost::tie(cursor_.pit(), cursor_.pos()) );
350 // If we are closing current buffer, switch to the first in
353 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
354 << " No Buffer!" << endl;
355 // We are closing the buffer, use the first buffer as current
356 buffer_ = bufferlist.first();
357 owner_->getDialogs().hideBufferDependent();
359 // Set current buffer
364 cursor_ = LCursor(*bv_);
369 // If we're quitting lyx, don't bother updating stuff
374 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
375 << "Buffer addr: " << buffer_ << endl;
376 connectBuffer(*buffer_);
377 cursor_.push(buffer_->inset());
378 cursor_.resetAnchor();
379 buffer_->text().init(bv_);
380 buffer_->text().setCurrentFont(cursor_);
381 if (buffer_->getCursor().size() > 0 &&
382 buffer_->getAnchor().size() > 0)
384 cursor_.setCursor(buffer_->getAnchor().asDocIterator(&(buffer_->inset())));
385 cursor_.resetAnchor();
386 cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
387 cursor_.setSelection();
390 // Buffer-dependent dialogs should be updated or
391 // hidden. This should go here because some dialogs (eg ToC)
392 // require bv_->text.
393 owner_->getDialogs().updateBufferDependent(true);
397 owner_->updateMenubar();
398 owner_->updateToolbars();
399 owner_->updateLayoutChoice();
400 owner_->updateWindowTitle();
402 // This is done after the layout combox has been populated
404 size_t i = cursor_.depth() - 1;
405 // we know we'll eventually find a paragraph
407 CursorSlice const & slice = cursor_[i];
408 if (!slice.inset().inMathed()) {
409 LyXLayout_ptr const layout = slice.paragraph().layout();
410 owner_->setLayout(layout->name());
418 if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
419 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
423 void BufferView::Pimpl::resizeCurrentBuffer()
425 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
427 owner_->message(_("Formatting document..."));
429 LyXText * text = bv_->text();
439 // Reset the "Formatting..." message
440 owner_->clearMessage();
444 void BufferView::Pimpl::updateScrollbar()
447 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
448 << " no text in updateScrollbar" << endl;
449 scrollbarParameters_.reset();
453 LyXText & t = *bv_->text();
454 int const parsize = int(t.paragraphs().size() - 1);
455 if (anchor_ref_ > parsize) {
456 anchor_ref_ = parsize;
461 << BOOST_CURRENT_FUNCTION
462 << " Updating scrollbar: height: " << t.paragraphs().size()
463 << " curr par: " << cursor_.bottom().pit()
464 << " default height " << defaultRowHeight() << endl;
466 // It would be better to fix the scrollbar to understand
467 // values in [0..1] and divide everything by wh
469 // estimated average paragraph height:
472 int h = t.getPar(anchor_ref_).height();
474 // Normalize anchor/offset (MV):
475 while (offset_ref_ > h && anchor_ref_ < parsize) {
478 h = t.getPar(anchor_ref_).height();
480 // Look at paragraph heights on-screen
483 for (lyx::pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
486 int const h2 = t.getPar(pit).height();
490 int const hav = sumh / nh;
491 // More realistic average paragraph height
495 scrollbarParameters_.height = (parsize + 1) * wh_;
496 scrollbarParameters_.position = anchor_ref_ * wh_ + int(offset_ref_ * wh_ / float(h));
497 scrollbarParameters_.lineScrollHeight = int(wh_ * defaultRowHeight() / float(h));
501 ScrollbarParameters const & BufferView::Pimpl::scrollbarParameters() const
503 return scrollbarParameters_;
507 void BufferView::Pimpl::scrollDocView(int value)
509 lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
510 << "[ value = " << value << "]" << endl;
515 owner_->gui().guiCursor().hide();
517 LyXText & t = *bv_->text();
519 float const bar = value / float(wh_ * t.paragraphs().size());
521 anchor_ref_ = int(bar * t.paragraphs().size());
522 if (anchor_ref_ > int(t.paragraphs().size()) - 1)
523 anchor_ref_ = int(t.paragraphs().size()) - 1;
524 t.redoParagraph(anchor_ref_);
525 int const h = t.getPar(anchor_ref_).height();
526 offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
529 if (!lyxrc.cursor_follows_scrollbar)
532 int const height = 2 * defaultRowHeight();
533 int const first = height;
534 int const last = height_ - height;
535 LCursor & cur = cursor_;
537 bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
540 case bv_funcs::CUR_ABOVE:
541 t.setCursorFromCoordinates(cur, 0, first);
542 cur.clearSelection();
544 case bv_funcs::CUR_BELOW:
545 t.setCursorFromCoordinates(cur, 0, last);
546 cur.clearSelection();
548 case bv_funcs::CUR_INSIDE:
549 int const y = bv_funcs::getPos(cur, cur.boundary()).y_;
550 int const newy = min(last, max(y, first));
552 cur.reset(buffer_->inset());
553 t.setCursorFromCoordinates(cur, 0, newy);
556 owner_->updateLayoutChoice();
560 void BufferView::Pimpl::scroll(int /*lines*/)
565 // LyXText const * t = bv_->text();
566 // int const line_height = defaultRowHeight();
568 // // The new absolute coordinate
569 // int new_top_y = top_y() + lines * line_height;
571 // // Restrict to a valid value
572 // new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
573 // new_top_y = std::max(0, new_top_y);
575 // scrollDocView(new_top_y);
577 // // Update the scrollbar.
578 // workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());
582 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
583 key_modifier::state state)
585 owner_->getLyXFunc().processKeySym(key, state);
587 /* This is perhaps a bit of a hack. When we move
588 * around, or type, it's nice to be able to see
589 * the cursor immediately after the keypress. So
590 * we reset the toggle timeout and force the visibility
591 * of the cursor. Note we cannot do this inside
592 * dispatch() itself, because that's called recursively.
595 owner_->gui().guiCursor().show(*bv_);
599 void BufferView::Pimpl::selectionRequested()
606 LCursor & cur = cursor_;
608 if (!cur.selection()) {
609 xsel_cache_.set = false;
613 if (!xsel_cache_.set ||
614 cur.top() != xsel_cache_.cursor ||
615 cur.anchor_.top() != xsel_cache_.anchor)
617 xsel_cache_.cursor = cur.top();
618 xsel_cache_.anchor = cur.anchor_.top();
619 xsel_cache_.set = cur.selection();
620 sel = cur.selectionAsString(false);
622 owner_->gui().clipboard().put(sel);
627 void BufferView::Pimpl::selectionLost()
630 owner_->gui().guiCursor().hide();
631 cursor_.clearSelection();
632 xsel_cache_.set = false;
637 void BufferView::Pimpl::workAreaResize(int width, int height)
639 bool const widthChange = width != width_;
640 bool const heightChange = height != height_;
642 // Update from work area
646 if (buffer_ && widthChange) {
647 // The visible LyXView need a resize
648 resizeCurrentBuffer();
651 if (widthChange || heightChange)
654 owner_->updateLayoutChoice();
658 bool BufferView::Pimpl::fitCursor()
660 if (bv_funcs::status(bv_, cursor_) == bv_funcs::CUR_INSIDE) {
661 LyXFont const font = cursor_.getFont();
662 int const asc = font_metrics::maxAscent(font);
663 int const des = font_metrics::maxDescent(font);
664 Point const p = bv_funcs::getPos(cursor_, cursor_.boundary());
665 if (p.y_ - asc >= 0 && p.y_ + des < height_)
673 bool BufferView::Pimpl::multiParSel()
675 if (!cursor_.selection())
677 bool ret = multiparsel_cache_;
678 multiparsel_cache_ = cursor_.selBegin().pit() != cursor_.selEnd().pit();
679 // Either this, or previous selection spans paragraphs
680 return ret || multiparsel_cache_;
684 void BufferView::Pimpl::update(Update::flags flags)
687 << BOOST_CURRENT_FUNCTION
688 << "[fitcursor = " << (flags & Update::FitCursor)
689 << ", forceupdate = " << (flags & Update::Force)
690 << ", singlepar = " << (flags & Update::SinglePar)
691 << "] buffer: " << buffer_ << endl;
693 // Check needed to survive LyX startup
695 // Update macro store
696 buffer_->buildMacros();
699 std::swap(theCoords, backup);
701 // This, together with doneUpdating(), verifies (using
702 // asserts) that screen redraw is not called from
704 theCoords.startUpdating();
706 // First drawing step
707 ViewMetricsInfo vi = metrics(flags & Update::SinglePar);
708 bool forceupdate(flags & (Update::Force | Update::SinglePar));
710 if ((flags & Update::FitCursor) && fitCursor()) {
714 if ((flags & Update::MultiParSel) && multiParSel()) {
719 // Second drawing step
720 owner_->workArea()->redraw(*bv_, vi);
722 // Abort updating of the coord
723 // cache - just restore the old one
724 std::swap(theCoords, backup);
727 owner_->workArea()->greyOut();
729 owner_->view_state_changed();
733 // Callback for cursor timer
734 void BufferView::Pimpl::cursorToggle()
737 owner_->gui().guiCursor().toggle(*bv_);
739 // Use this opportunity to deal with any child processes that
740 // have finished but are waiting to communicate this fact
741 // to the rest of LyX.
742 ForkedcallsController & fcc = ForkedcallsController::get();
743 fcc.handleCompletedProcesses();
746 cursor_timeout.restart();
750 bool BufferView::Pimpl::available() const
752 return buffer_ && bv_->text();
756 Change const BufferView::Pimpl::getCurrentChange()
758 if (!buffer_->params().tracking_changes)
759 return Change(Change::UNCHANGED);
761 LyXText * text = bv_->getLyXText();
762 LCursor & cur = cursor_;
764 if (!cur.selection())
765 return Change(Change::UNCHANGED);
767 return text->getPar(cur.selBegin().pit()).
768 lookupChange(cur.selBegin().pos());
772 void BufferView::Pimpl::savePosition(unsigned int i)
774 if (i >= saved_positions_num)
776 BOOST_ASSERT(cursor_.inTexted());
777 saved_positions[i] = Position(buffer_->fileName(),
778 cursor_.paragraph().id(),
781 owner_->message(bformat(_("Saved bookmark %1$d"), i));
785 void BufferView::Pimpl::restorePosition(unsigned int i)
787 if (i >= saved_positions_num)
790 string const fname = saved_positions[i].filename;
792 cursor_.clearSelection();
794 if (fname != buffer_->fileName()) {
796 if (bufferlist.exists(fname))
797 b = bufferlist.getBuffer(fname);
799 b = bufferlist.newBuffer(fname);
800 // Don't ask, just load it
801 ::loadLyXFile(b, fname);
807 ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
808 if (par == buffer_->par_iterator_end())
811 bv_->setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
814 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
818 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
820 return i < saved_positions_num && !saved_positions[i].filename.empty();
824 void BufferView::Pimpl::saveSavedPositions()
826 // save bookmarks. It is better to use the pit interface
827 // but I do not know how to effectively convert between
829 for (unsigned int i=1; i < saved_positions_num; ++i) {
830 if ( isSavedPosition(i) )
831 LyX::ref().session().saveBookmark( boost::tie(
833 saved_positions[i].filename,
834 saved_positions[i].par_id,
835 saved_positions[i].par_pos) );
840 void BufferView::Pimpl::switchKeyMap()
842 if (!lyxrc.rtl_support)
845 Intl & intl = owner_->getIntl();
846 if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
847 if (intl.keymap == Intl::PRIMARY)
850 if (intl.keymap == Intl::SECONDARY)
856 void BufferView::Pimpl::center()
858 CursorSlice & bot = cursor_.bottom();
859 lyx::pit_type const pit = bot.pit();
860 bot.text()->redoParagraph(pit);
861 Paragraph const & par = bot.text()->paragraphs()[pit];
863 offset_ref_ = bv_funcs::coordOffset(cursor_, cursor_.boundary()).y_
864 + par.ascent() - height_ / 2;
869 void BufferView::Pimpl::menuInsertLyXFile(string const & filenm)
871 BOOST_ASSERT(cursor_.inTexted());
872 string filename = filenm;
874 if (filename.empty()) {
875 // Launch a file browser
876 string initpath = lyxrc.document_path;
879 string const trypath = owner_->buffer()->filePath();
880 // If directory is writeable, use this as default.
881 if (isDirWriteable(trypath))
885 FileDialog fileDlg(_("Select LyX document to insert"),
887 make_pair(string(_("Documents|#o#O")),
888 string(lyxrc.document_path)),
889 make_pair(string(_("Examples|#E#e")),
890 string(addPath(package().system_support(), "examples"))));
892 FileDialog::Result result =
893 fileDlg.open(initpath,
894 FileFilterList(_("LyX Documents (*.lyx)")),
897 if (result.first == FileDialog::Later)
900 filename = result.second;
902 // check selected filename
903 if (filename.empty()) {
904 owner_->message(_("Canceled."));
909 // Get absolute path of file and add ".lyx"
910 // to the filename if necessary
911 filename = fileSearch(string(), filename, "lyx");
913 string const disp_fn = makeDisplayPath(filename);
914 owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
917 Buffer buf("", false);
918 buf.error.connect(boost::bind(&BufferView::Pimpl::addError, this, _1));
919 if (::loadLyXFile(&buf, makeAbsPath(filename))) {
920 lyx::cap::pasteParagraphList(cursor_, buf.paragraphs(),
921 buf.params().textclass);
922 res = _("Document %1$s inserted.");
924 res = _("Could not insert document %1$s");
926 owner_->message(bformat(res, disp_fn));
927 bv_->showErrorList(_("Document insertion"));
928 resizeCurrentBuffer();
932 void BufferView::Pimpl::trackChanges()
934 bool const tracking = buffer_->params().tracking_changes;
937 for_each(buffer_->par_iterator_begin(),
938 buffer_->par_iterator_end(),
939 bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
940 buffer_->params().tracking_changes = true;
942 // We cannot allow undos beyond the freeze point
943 buffer_->undostack().clear();
945 cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
946 if (lyx::find::findNextChange(bv_)) {
947 owner_->getDialogs().show("changes");
951 for_each(buffer_->par_iterator_begin(),
952 buffer_->par_iterator_end(),
953 mem_fun_ref(&Paragraph::untrackChanges));
955 buffer_->params().tracking_changes = false;
958 buffer_->redostack().clear();
962 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
964 //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
966 // This is only called for mouse related events including
967 // LFUN_FILE_OPEN generated by drag-and-drop.
968 FuncRequest cmd = cmd0;
971 if (cmd.action == LFUN_FILE_OPEN) {
972 owner_->dispatch(cmd);
980 cur.push(buffer_->inset());
981 cur.selection() = cursor_.selection();
983 // Doesn't go through lyxfunc, so we need to update
984 // the layout choice etc. ourselves
986 // E.g. Qt mouse press when no buffer
990 owner_->gui().guiCursor().hide();
992 // Either the inset under the cursor or the
993 // surrounding LyXText will handle this event.
995 // Build temporary cursor.
996 cmd.y = min(max(cmd.y, -1), height_);
997 InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
998 //lyxerr << BOOST_CURRENT_FUNCTION
999 // << " * hit inset at tip: " << inset << endl;
1000 //lyxerr << BOOST_CURRENT_FUNCTION
1001 // << " * created temp cursor:" << cur << endl;
1003 // Put anchor at the same position.
1006 // Try to dispatch to an non-editable inset near this position
1007 // via the temp cursor. If the inset wishes to change the real
1008 // cursor it has to do so explicitly by using
1009 // cur.bv().cursor() = cur; (or similar)
1011 inset->dispatch(cur, cmd);
1013 // Now dispatch to the temporary cursor. If the real cursor should
1014 // be modified, the inset's dispatch has to do so explicitly.
1015 if (!cur.result().dispatched())
1018 if (cur.result().dispatched()) {
1019 // Redraw if requested or necessary.
1020 if (cur.result().update())
1021 update(Update::FitCursor | Update::Force);
1023 update(Update::FitCursor | Update::MultiParSel);
1026 // See workAreaKeyPress
1027 cursor_timeout.restart();
1028 owner_->gui().guiCursor().show(*bv_);
1030 // Skip these when selecting
1031 if (cmd.action != LFUN_MOUSE_MOTION) {
1032 owner_->updateLayoutChoice();
1033 owner_->updateToolbars();
1036 // Slight hack: this is only called currently when we
1037 // clicked somewhere, so we force through the display
1038 // of the new status here.
1039 owner_->clearMessage();
1044 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
1048 switch (cmd.action) {
1051 flag.enabled(!buffer_->undostack().empty());
1054 flag.enabled(!buffer_->redostack().empty());
1056 case LFUN_FILE_INSERT:
1057 case LFUN_FILE_INSERT_ASCII_PARA:
1058 case LFUN_FILE_INSERT_ASCII:
1059 case LFUN_BOOKMARK_SAVE:
1060 // FIXME: Actually, these LFUNS should be moved to LyXText
1061 flag.enabled(cursor_.inTexted());
1063 case LFUN_FONT_STATE:
1064 case LFUN_LABEL_INSERT:
1065 case LFUN_PARAGRAPH_GOTO:
1066 // FIXME handle non-trivially
1067 case LFUN_OUTLINE_UP:
1068 case LFUN_OUTLINE_DOWN:
1069 case LFUN_OUTLINE_IN:
1070 case LFUN_OUTLINE_OUT:
1071 case LFUN_ERROR_NEXT:
1072 case LFUN_NOTE_NEXT:
1073 case LFUN_REFERENCE_NEXT:
1074 case LFUN_WORD_FIND:
1075 case LFUN_WORD_REPLACE:
1078 case LFUN_MARK_TOGGLE:
1079 case LFUN_SCREEN_RECENTER:
1080 case LFUN_BIBTEX_DATABASE_ADD:
1081 case LFUN_BIBTEX_DATABASE_DEL:
1082 case LFUN_WORDS_COUNT:
1086 case LFUN_LABEL_GOTO: {
1087 flag.enabled(!cmd.argument.empty()
1088 || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
1092 case LFUN_BOOKMARK_GOTO:
1093 flag.enabled(isSavedPosition(convert<unsigned int>(cmd.argument)));
1095 case LFUN_CHANGES_TRACK:
1097 flag.setOnOff(buffer_->params().tracking_changes);
1100 case LFUN_CHANGES_OUTPUT: {
1101 OutputParams runparams;
1102 LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
1103 flag.enabled(buffer_ && buffer_->params().tracking_changes
1104 && features.isAvailable("dvipost"));
1105 flag.setOnOff(buffer_->params().output_changes);
1109 case LFUN_CHANGES_MERGE:
1110 case LFUN_CHANGE_ACCEPT: // what about these two
1111 case LFUN_CHANGE_REJECT: // what about these two
1112 case LFUN_ALL_CHANGES_ACCEPT:
1113 case LFUN_ALL_CHANGES_REJECT:
1114 flag.enabled(buffer_ && buffer_->params().tracking_changes);
1117 case LFUN_BUFFER_TOGGLE_COMPRESSION: {
1118 flag.setOnOff(buffer_->params().compressed);
1123 flag.enabled(false);
1131 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1133 //lyxerr << BOOST_CURRENT_FUNCTION
1134 // << [ cmd = " << cmd << "]" << endl;
1136 // Make sure that the cached BufferView is correct.
1137 lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
1138 << " action[" << cmd.action << ']'
1139 << " arg[" << cmd.argument << ']'
1140 << " x[" << cmd.x << ']'
1141 << " y[" << cmd.y << ']'
1142 << " button[" << cmd.button() << ']'
1145 LCursor & cur = cursor_;
1147 switch (cmd.action) {
1151 cur.message(_("Undo"));
1152 cur.clearSelection();
1153 if (!textUndo(*bv_))
1154 cur.message(_("No further undo information"));
1162 cur.message(_("Redo"));
1163 cur.clearSelection();
1164 if (!textRedo(*bv_))
1165 cur.message(_("No further redo information"));
1171 case LFUN_FILE_INSERT:
1172 menuInsertLyXFile(cmd.argument);
1175 case LFUN_FILE_INSERT_ASCII_PARA:
1176 insertAsciiFile(bv_, cmd.argument, true);
1179 case LFUN_FILE_INSERT_ASCII:
1180 insertAsciiFile(bv_, cmd.argument, false);
1183 case LFUN_FONT_STATE:
1184 cur.message(cur.currentState());
1187 case LFUN_BOOKMARK_SAVE:
1188 savePosition(convert<unsigned int>(cmd.argument));
1191 case LFUN_BOOKMARK_GOTO:
1192 restorePosition(convert<unsigned int>(cmd.argument));
1195 case LFUN_LABEL_GOTO: {
1196 string label = cmd.argument;
1197 if (label.empty()) {
1199 getInsetByCode<InsetRef>(cursor_,
1200 InsetBase::REF_CODE);
1202 label = inset->getContents();
1208 bv_->gotoLabel(label);
1212 case LFUN_PARAGRAPH_GOTO: {
1213 int const id = convert<int>(cmd.argument);
1214 ParIterator par = buffer_->getParFromID(id);
1215 if (par == buffer_->par_iterator_end()) {
1216 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1217 << id << ']' << endl;
1220 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1221 << " found." << endl;
1225 bv_->setCursor(makeDocIterator(par, 0));
1232 case LFUN_OUTLINE_UP:
1233 lyx::toc::outline(lyx::toc::Up, cursor_);
1234 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1235 updateLabels(*buffer_);
1237 case LFUN_OUTLINE_DOWN:
1238 lyx::toc::outline(lyx::toc::Down, cursor_);
1239 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1240 updateLabels(*buffer_);
1242 case LFUN_OUTLINE_IN:
1243 lyx::toc::outline(lyx::toc::In, cursor_);
1244 updateLabels(*buffer_);
1246 case LFUN_OUTLINE_OUT:
1247 lyx::toc::outline(lyx::toc::Out, cursor_);
1248 updateLabels(*buffer_);
1251 case LFUN_ERROR_NEXT:
1252 bv_funcs::gotoInset(bv_, InsetBase::ERROR_CODE, false);
1255 case LFUN_NOTE_NEXT:
1256 bv_funcs::gotoInset(bv_, InsetBase::NOTE_CODE, false);
1259 case LFUN_REFERENCE_NEXT: {
1260 vector<InsetBase_code> tmp;
1261 tmp.push_back(InsetBase::LABEL_CODE);
1262 tmp.push_back(InsetBase::REF_CODE);
1263 bv_funcs::gotoInset(bv_, tmp, true);
1267 case LFUN_CHANGES_TRACK:
1271 case LFUN_CHANGES_OUTPUT: {
1272 bool const state = buffer_->params().output_changes;
1273 buffer_->params().output_changes = !state;
1277 case LFUN_CHANGES_MERGE:
1278 if (lyx::find::findNextChange(bv_))
1279 owner_->getDialogs().show("changes");
1282 case LFUN_ALL_CHANGES_ACCEPT: {
1283 cursor_.reset(buffer_->inset());
1284 #ifdef WITH_WARNINGS
1285 #warning FIXME changes
1287 while (lyx::find::findNextChange(bv_))
1288 bv_->getLyXText()->acceptChange(cursor_);
1293 case LFUN_ALL_CHANGES_REJECT: {
1294 cursor_.reset(buffer_->inset());
1295 #ifdef WITH_WARNINGS
1296 #warning FIXME changes
1298 while (lyx::find::findNextChange(bv_))
1299 bv_->getLyXText()->rejectChange(cursor_);
1303 case LFUN_WORD_FIND:
1304 lyx::find::find(bv_, cmd);
1307 case LFUN_WORD_REPLACE:
1308 lyx::find::replace(bv_, cmd);
1312 cur.clearSelection();
1314 cur.message(N_("Mark off"));
1318 cur.clearSelection();
1321 cur.message(N_("Mark on"));
1324 case LFUN_MARK_TOGGLE:
1325 cur.clearSelection();
1328 cur.message(N_("Mark removed"));
1331 cur.message(N_("Mark set"));
1336 case LFUN_SCREEN_RECENTER:
1340 case LFUN_BIBTEX_DATABASE_ADD: {
1341 LCursor tmpcur = cursor_;
1342 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1343 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1344 InsetBase::BIBTEX_CODE);
1346 if (inset->addDatabase(cmd.argument))
1347 buffer_->updateBibfilesCache();
1352 case LFUN_BIBTEX_DATABASE_DEL: {
1353 LCursor tmpcur = cursor_;
1354 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1355 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1356 InsetBase::BIBTEX_CODE);
1358 if (inset->delDatabase(cmd.argument))
1359 buffer_->updateBibfilesCache();
1364 case LFUN_WORDS_COUNT: {
1365 DocIterator from, to;
1366 if (cur.selection()) {
1367 from = cur.selectionBegin();
1368 to = cur.selectionEnd();
1370 from = doc_iterator_begin(buffer_->inset());
1371 to = doc_iterator_end(buffer_->inset());
1373 int const count = countWords(from, to);
1376 if (cur.selection())
1377 message = bformat(_("%1$d words in selection."),
1380 message = bformat(_("%1$d words in document."),
1384 if (cur.selection())
1385 message = _("One word in selection.");
1387 message = _("One word in document.");
1390 Alert::information(_("Count words"), message);
1394 case LFUN_BUFFER_TOGGLE_COMPRESSION:
1395 // turn compression on/off
1396 buffer_->params().compressed = !buffer_->params().compressed;
1407 ViewMetricsInfo BufferView::Pimpl::metrics(bool singlepar)
1409 // Remove old position cache
1411 BufferView & bv = *bv_;
1412 LyXText * const text = bv.text();
1413 lyx::pit_type size = int(text->paragraphs().size());
1415 if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1416 anchor_ref_ = int(text->paragraphs().size() - 1);
1420 lyx::pit_type const pit = anchor_ref_;
1423 size_t const npit = text->paragraphs().size();
1425 // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
1426 // the (main text, not inset!) paragraph containing the cursor.
1427 // (if this paragraph contains insets etc., rebreaking will
1428 // recursively descend)
1429 if (!singlepar || pit == cursor_.bottom().pit())
1430 text->redoParagraph(pit);
1431 int y0 = text->getPar(pit).ascent() - offset_ref_;
1433 // Redo paragraphs above anchor if necessary; again, in Single Par
1434 // mode, only if we encounter the (main text) one having the cursor.
1436 while (y1 > 0 && pit1 > 0) {
1437 y1 -= text->getPar(pit1).ascent();
1439 if (!singlepar || pit1 == cursor_.bottom().pit())
1440 text->redoParagraph(pit1);
1441 y1 -= text->getPar(pit1).descent();
1445 // Take care of ascent of first line
1446 y1 -= text->getPar(pit1).ascent();
1448 // Normalize anchor for next time
1452 // Grey at the beginning is ugly
1453 if (pit1 == 0 && y1 > 0) {
1459 // Redo paragraphs below the anchor if necessary. Single par mode:
1460 // only the one containing the cursor if encountered.
1462 while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1463 y2 += text->getPar(pit2).descent();
1465 if (!singlepar || pit2 == cursor_.bottom().pit())
1466 text->redoParagraph(pit2);
1467 y2 += text->getPar(pit2).ascent();
1470 // Take care of descent of last line
1471 y2 += text->getPar(pit2).descent();
1473 // The coordinates of all these paragraphs are correct, cache them
1475 for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1476 y += text->getPar(pit).ascent();
1477 theCoords.parPos()[text][pit] = Point(0, y);
1478 if (singlepar && pit == cursor_.bottom().pit()) {
1479 // In Single Paragraph mode, collect here the
1480 // y1 and y2 of the (one) paragraph the cursor is in
1481 y1 = y - text->getPar(pit).ascent();
1482 y2 = y + text->getPar(pit).descent();
1484 y += text->getPar(pit).descent();
1488 // collect cursor paragraph iter bounds
1489 pit1 = cursor_.bottom().pit();
1490 pit2 = cursor_.bottom().pit();
1493 lyxerr[Debug::DEBUG]
1494 << BOOST_CURRENT_FUNCTION
1497 << " pit1: " << pit1
1498 << " pit2: " << pit2
1499 << " npit: " << npit
1500 << " singlepar: " << singlepar
1504 return ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);