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/Painter.h"
68 #include "frontends/WorkArea.h"
70 #include "graphics/Previews.h"
72 #include "support/convert.h"
73 #include "support/filefilterlist.h"
74 #include "support/filetools.h"
75 #include "support/forkedcontr.h"
76 #include "support/package.h"
77 #include "support/types.h"
79 #include <boost/bind.hpp>
80 #include <boost/current_function.hpp>
85 using lyx::frontend::WorkArea;
86 using lyx::frontend::Clipboard;
87 using lyx::frontend::Gui;
91 using lyx::support::addPath;
92 using lyx::support::bformat;
93 using lyx::support::FileFilterList;
94 using lyx::support::fileSearch;
95 using lyx::support::ForkedcallsController;
96 using lyx::support::isDirWriteable;
97 using lyx::support::makeDisplayPath;
98 using lyx::support::makeAbsPath;
99 using lyx::support::package;
102 using std::istringstream;
103 using std::make_pair;
107 using std::mem_fun_ref;
110 extern BufferList bufferlist;
115 unsigned int const saved_positions_num = 20;
117 // All the below connection objects are needed because of a bug in some
118 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
119 // to these connections we avoid a segfault upon startup, and also at exit.
122 boost::signals::connection timecon;
124 /// Return an inset of this class if it exists at the current cursor position
126 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
129 DocIterator it = cur;
130 if (it.nextInset() &&
131 it.nextInset()->lyxCode() == code) {
132 inset = static_cast<T*>(it.nextInset());
140 BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner, WorkArea * workArea)
141 : bv_(&bv), owner_(owner), workArea_(workArea), buffer_(0), wh_(0), cursor_timeout(400),
142 using_xterm_cursor(false), cursor_(bv),
143 anchor_ref_(0), offset_ref_(0)
145 xsel_cache_.set = false;
148 timecon = cursor_timeout.timeout
149 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
151 cursor_timeout.start();
153 saved_positions.resize(saved_positions_num);
154 // load saved bookmarks
155 lyx::Session::BookmarkList & bmList = LyX::ref().session().loadBookmarks();
156 for (lyx::Session::BookmarkList::iterator bm = bmList.begin();
157 bm != bmList.end(); ++bm)
158 if (bm->get<0>() < saved_positions_num)
159 saved_positions[bm->get<0>()] = Position( bm->get<1>(), bm->get<2>(), bm->get<3>() );
160 // and then clear them
165 void BufferView::Pimpl::addError(ErrorItem const & ei)
167 errorlist_.push_back(ei);
171 void BufferView::Pimpl::showReadonly(bool)
173 owner_->updateWindowTitle();
174 owner_->getDialogs().updateBufferDependent(false);
178 void BufferView::Pimpl::connectBuffer(Buffer & buf)
180 if (errorConnection_.connected())
185 boost::bind(&BufferView::Pimpl::addError, this, _1));
189 boost::bind(&LyXView::message, owner_, _1));
193 boost::bind(&LyXView::busy, owner_, _1));
196 buf.updateTitles.connect(
197 boost::bind(&LyXView::updateWindowTitle, owner_));
200 buf.resetAutosaveTimers.connect(
201 boost::bind(&LyXView::resetAutosaveTimer, owner_));
203 readonlyConnection_ =
204 buf.readonly.connect(
205 boost::bind(&BufferView::Pimpl::showReadonly, this, _1));
209 boost::bind(&BufferView::Pimpl::setBuffer, this, (Buffer *)0));
213 void BufferView::Pimpl::disconnectBuffer()
215 errorConnection_.disconnect();
216 messageConnection_.disconnect();
217 busyConnection_.disconnect();
218 titleConnection_.disconnect();
219 timerConnection_.disconnect();
220 readonlyConnection_.disconnect();
221 closingConnection_.disconnect();
225 void BufferView::Pimpl::newFile(string const & filename, string const & tname,
228 setBuffer(::newFile(filename, tname, isNamed));
232 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
234 // Get absolute path of file and add ".lyx"
235 // to the filename if necessary
236 string s = fileSearch(string(), filename, "lyx");
238 bool const found = !s.empty();
243 // File already open?
244 if (bufferlist.exists(s)) {
245 string const file = makeDisplayPath(s, 20);
246 string text = bformat(_("The document %1$s is already "
247 "loaded.\n\nDo you want to revert "
248 "to the saved version?"), file);
249 int const ret = Alert::prompt(_("Revert to saved document?"),
250 text, 0, 1, _("&Revert"), _("&Switch to document"));
253 setBuffer(bufferlist.getBuffer(s));
256 // FIXME: should be LFUN_REVERT
257 if (!bufferlist.close(bufferlist.getBuffer(s), false))
259 // Fall through to new load. (Asger)
265 b = bufferlist.newBuffer(s);
267 if (!::loadLyXFile(b, s)) {
268 bufferlist.release(b);
272 string text = bformat(_("The document %1$s does not yet "
273 "exist.\n\nDo you want to create "
274 "a new document?"), s);
275 int const ret = Alert::prompt(_("Create new document?"),
276 text, 0, 1, _("&Create"), _("Cancel"));
279 b = ::newFile(s, string(), true);
285 bv_->showErrorList(_("Parse"));
287 // scroll to the position when the file was last closed
288 if (lyxrc.use_lastfilepos) {
291 boost::tie(pit, pos) = LyX::ref().session().loadFilePosition(s);
292 // I am not sure how to separate the following part to a function
293 // so I will leave this to Lars.
295 // check pit since the document may be externally changed.
296 if ( static_cast<size_t>(pit) < b->paragraphs().size() ) {
297 ParIterator it = b->par_iterator_begin();
298 ParIterator const end = b->par_iterator_end();
299 for (; it != end; ++it)
300 if (it.pit() == pit) {
301 // restored pos may be bigger than it->size
302 bv_->setCursor(makeDocIterator(it, min(pos, it->size())));
303 bv_->update(Update::FitCursor);
310 LyX::ref().session().addLastFile(b->fileName());
316 lyx::frontend::Gui & BufferView::Pimpl::gui() const
318 return owner_->gui();
322 lyx::frontend::WorkArea & BufferView::Pimpl::workarea() const
328 lyx::frontend::Clipboard & BufferView::Pimpl::clipboard() const
330 return owner_->gui().clipboard();
334 lyx::frontend::Painter & BufferView::Pimpl::painter() const
336 return workArea_->getPainter();
340 int BufferView::Pimpl::width() const
346 int BufferView::Pimpl::height() const
352 void BufferView::Pimpl::setBuffer(Buffer * b)
354 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
355 << "[ b = " << b << "]" << endl;
359 // Save the actual cursor position and anchor inside the
360 // buffer so that it can be restored in case we rechange
361 // to this buffer later on.
362 buffer_->saveCursor(cursor_.selectionBegin(),
363 cursor_.selectionEnd());
364 // current buffer is going to be switched-off, save cursor pos
365 LyX::ref().session().saveFilePosition(buffer_->fileName(),
366 boost::tie(cursor_.pit(), cursor_.pos()) );
369 // If we are closing current buffer, switch to the first in
372 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
373 << " No Buffer!" << endl;
374 // We are closing the buffer, use the first buffer as current
375 buffer_ = bufferlist.first();
376 owner_->getDialogs().hideBufferDependent();
378 // Set current buffer
383 cursor_ = LCursor(*bv_);
388 // If we're quitting lyx, don't bother updating stuff
393 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
394 << "Buffer addr: " << buffer_ << endl;
395 connectBuffer(*buffer_);
396 cursor_.push(buffer_->inset());
397 cursor_.resetAnchor();
398 buffer_->text().init(bv_);
399 buffer_->text().setCurrentFont(cursor_);
400 if (buffer_->getCursor().size() > 0 &&
401 buffer_->getAnchor().size() > 0)
403 cursor_.setCursor(buffer_->getAnchor().asDocIterator(&(buffer_->inset())));
404 cursor_.resetAnchor();
405 cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
406 cursor_.setSelection();
409 // Buffer-dependent dialogs should be updated or
410 // hidden. This should go here because some dialogs (eg ToC)
411 // require bv_->text.
412 owner_->getDialogs().updateBufferDependent(true);
416 owner_->updateMenubar();
417 owner_->updateToolbars();
418 owner_->updateLayoutChoice();
419 owner_->updateWindowTitle();
421 // This is done after the layout combox has been populated
423 size_t i = cursor_.depth() - 1;
424 // we know we'll eventually find a paragraph
426 CursorSlice const & slice = cursor_[i];
427 if (!slice.inset().inMathed()) {
428 LyXLayout_ptr const layout = slice.paragraph().layout();
429 owner_->setLayout(layout->name());
437 if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
438 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
442 void BufferView::Pimpl::resizeCurrentBuffer()
444 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
446 owner_->message(_("Formatting document..."));
448 LyXText * text = bv_->text();
458 // Reset the "Formatting..." message
459 owner_->clearMessage();
463 void BufferView::Pimpl::updateScrollbar()
466 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
467 << " no text in updateScrollbar" << endl;
468 scrollbarParameters_.reset();
472 LyXText & t = *bv_->text();
473 int const parsize = int(t.paragraphs().size() - 1);
474 if (anchor_ref_ > parsize) {
475 anchor_ref_ = parsize;
480 << BOOST_CURRENT_FUNCTION
481 << " Updating scrollbar: height: " << t.paragraphs().size()
482 << " curr par: " << cursor_.bottom().pit()
483 << " default height " << defaultRowHeight() << endl;
485 // It would be better to fix the scrollbar to understand
486 // values in [0..1] and divide everything by wh
488 // estimated average paragraph height:
491 int h = t.getPar(anchor_ref_).height();
493 // Normalize anchor/offset (MV):
494 while (offset_ref_ > h && anchor_ref_ < parsize) {
497 h = t.getPar(anchor_ref_).height();
499 // Look at paragraph heights on-screen
502 for (lyx::pit_type pit = anchor_ref_; pit <= parsize; ++pit) {
505 int const h2 = t.getPar(pit).height();
509 int const hav = sumh / nh;
510 // More realistic average paragraph height
514 scrollbarParameters_.height = (parsize + 1) * wh_;
515 scrollbarParameters_.position = anchor_ref_ * wh_ + int(offset_ref_ * wh_ / float(h));
516 scrollbarParameters_.lineScrollHeight = int(wh_ * defaultRowHeight() / float(h));
520 ScrollbarParameters const & BufferView::Pimpl::scrollbarParameters() const
522 return scrollbarParameters_;
526 void BufferView::Pimpl::scrollDocView(int value)
528 lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
529 << "[ value = " << value << "]" << endl;
534 owner_->gui().guiCursor().hide();
536 LyXText & t = *bv_->text();
538 float const bar = value / float(wh_ * t.paragraphs().size());
540 anchor_ref_ = int(bar * t.paragraphs().size());
541 if (anchor_ref_ > int(t.paragraphs().size()) - 1)
542 anchor_ref_ = int(t.paragraphs().size()) - 1;
543 t.redoParagraph(anchor_ref_);
544 int const h = t.getPar(anchor_ref_).height();
545 offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
548 if (!lyxrc.cursor_follows_scrollbar)
551 int const height = 2 * defaultRowHeight();
552 int const first = height;
553 int const last = height_ - height;
554 LCursor & cur = cursor_;
556 bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
559 case bv_funcs::CUR_ABOVE:
560 t.setCursorFromCoordinates(cur, 0, first);
561 cur.clearSelection();
563 case bv_funcs::CUR_BELOW:
564 t.setCursorFromCoordinates(cur, 0, last);
565 cur.clearSelection();
567 case bv_funcs::CUR_INSIDE:
568 int const y = bv_funcs::getPos(cur, cur.boundary()).y_;
569 int const newy = min(last, max(y, first));
571 cur.reset(buffer_->inset());
572 t.setCursorFromCoordinates(cur, 0, newy);
575 owner_->updateLayoutChoice();
579 void BufferView::Pimpl::scroll(int /*lines*/)
584 // LyXText const * t = bv_->text();
585 // int const line_height = defaultRowHeight();
587 // // The new absolute coordinate
588 // int new_top_y = top_y() + lines * line_height;
590 // // Restrict to a valid value
591 // new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
592 // new_top_y = std::max(0, new_top_y);
594 // scrollDocView(new_top_y);
596 // // Update the scrollbar.
597 // workArea_->setScrollbarParams(t->height(), top_y(), defaultRowHeight());
601 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
602 key_modifier::state state)
604 owner_->getLyXFunc().processKeySym(key, state);
606 /* This is perhaps a bit of a hack. When we move
607 * around, or type, it's nice to be able to see
608 * the cursor immediately after the keypress. So
609 * we reset the toggle timeout and force the visibility
610 * of the cursor. Note we cannot do this inside
611 * dispatch() itself, because that's called recursively.
614 owner_->gui().guiCursor().show(*bv_);
618 void BufferView::Pimpl::selectionRequested()
625 LCursor & cur = cursor_;
627 if (!cur.selection()) {
628 xsel_cache_.set = false;
632 if (!xsel_cache_.set ||
633 cur.top() != xsel_cache_.cursor ||
634 cur.anchor_.top() != xsel_cache_.anchor)
636 xsel_cache_.cursor = cur.top();
637 xsel_cache_.anchor = cur.anchor_.top();
638 xsel_cache_.set = cur.selection();
639 sel = cur.selectionAsString(false);
641 clipboard().put(sel);
646 void BufferView::Pimpl::selectionLost()
649 owner_->gui().guiCursor().hide();
650 cursor_.clearSelection();
651 xsel_cache_.set = false;
656 void BufferView::Pimpl::workAreaResize(int width, int height)
658 bool const widthChange = width != width_;
659 bool const heightChange = height != height_;
661 // Update from work area
665 if (buffer_ && widthChange) {
666 // The visible LyXView need a resize
667 resizeCurrentBuffer();
670 if (widthChange || heightChange)
673 owner_->updateLayoutChoice();
677 bool BufferView::Pimpl::fitCursor()
679 if (bv_funcs::status(bv_, cursor_) == bv_funcs::CUR_INSIDE) {
680 LyXFont const font = cursor_.getFont();
681 int const asc = font_metrics::maxAscent(font);
682 int const des = font_metrics::maxDescent(font);
683 Point const p = bv_funcs::getPos(cursor_, cursor_.boundary());
684 if (p.y_ - asc >= 0 && p.y_ + des < height_)
692 bool BufferView::Pimpl::multiParSel()
694 if (!cursor_.selection())
696 bool ret = multiparsel_cache_;
697 multiparsel_cache_ = cursor_.selBegin().pit() != cursor_.selEnd().pit();
698 // Either this, or previous selection spans paragraphs
699 return ret || multiparsel_cache_;
703 void BufferView::Pimpl::update(Update::flags flags)
706 << BOOST_CURRENT_FUNCTION
707 << "[fitcursor = " << (flags & Update::FitCursor)
708 << ", forceupdate = " << (flags & Update::Force)
709 << ", singlepar = " << (flags & Update::SinglePar)
710 << "] buffer: " << buffer_ << endl;
712 // Check needed to survive LyX startup
714 // Update macro store
715 buffer_->buildMacros();
718 std::swap(theCoords, backup);
720 // This, together with doneUpdating(), verifies (using
721 // asserts) that screen redraw is not called from
723 theCoords.startUpdating();
725 // First drawing step
726 ViewMetricsInfo vi = metrics(flags & Update::SinglePar);
727 bool forceupdate(flags & (Update::Force | Update::SinglePar));
729 if ((flags & Update::FitCursor) && fitCursor()) {
733 if ((flags & Update::MultiParSel) && multiParSel()) {
738 // Second drawing step
739 workArea_->redraw(*bv_, vi);
741 // Abort updating of the coord
742 // cache - just restore the old one
743 std::swap(theCoords, backup);
746 workArea_->greyOut();
748 owner_->view_state_changed();
752 // Callback for cursor timer
753 void BufferView::Pimpl::cursorToggle()
756 owner_->gui().guiCursor().toggle(*bv_);
758 // Use this opportunity to deal with any child processes that
759 // have finished but are waiting to communicate this fact
760 // to the rest of LyX.
761 ForkedcallsController & fcc = ForkedcallsController::get();
762 fcc.handleCompletedProcesses();
765 cursor_timeout.restart();
769 bool BufferView::Pimpl::available() const
771 return buffer_ && bv_->text();
775 Change const BufferView::Pimpl::getCurrentChange()
777 if (!buffer_->params().tracking_changes)
778 return Change(Change::UNCHANGED);
780 LyXText * text = bv_->getLyXText();
781 LCursor & cur = cursor_;
783 if (!cur.selection())
784 return Change(Change::UNCHANGED);
786 return text->getPar(cur.selBegin().pit()).
787 lookupChange(cur.selBegin().pos());
791 void BufferView::Pimpl::savePosition(unsigned int i)
793 if (i >= saved_positions_num)
795 BOOST_ASSERT(cursor_.inTexted());
796 saved_positions[i] = Position(buffer_->fileName(),
797 cursor_.paragraph().id(),
800 owner_->message(bformat(_("Saved bookmark %1$d"), i));
804 void BufferView::Pimpl::restorePosition(unsigned int i)
806 if (i >= saved_positions_num)
809 string const fname = saved_positions[i].filename;
811 cursor_.clearSelection();
813 if (fname != buffer_->fileName()) {
815 if (bufferlist.exists(fname))
816 b = bufferlist.getBuffer(fname);
818 b = bufferlist.newBuffer(fname);
819 // Don't ask, just load it
820 ::loadLyXFile(b, fname);
826 ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
827 if (par == buffer_->par_iterator_end())
830 bv_->setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
833 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
837 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
839 return i < saved_positions_num && !saved_positions[i].filename.empty();
843 void BufferView::Pimpl::saveSavedPositions()
845 // save bookmarks. It is better to use the pit interface
846 // but I do not know how to effectively convert between
848 for (unsigned int i=1; i < saved_positions_num; ++i) {
849 if ( isSavedPosition(i) )
850 LyX::ref().session().saveBookmark( boost::tie(
852 saved_positions[i].filename,
853 saved_positions[i].par_id,
854 saved_positions[i].par_pos) );
859 void BufferView::Pimpl::switchKeyMap()
861 if (!lyxrc.rtl_support)
864 Intl & intl = owner_->getIntl();
865 if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
866 if (intl.keymap == Intl::PRIMARY)
869 if (intl.keymap == Intl::SECONDARY)
875 void BufferView::Pimpl::center()
877 CursorSlice & bot = cursor_.bottom();
878 lyx::pit_type const pit = bot.pit();
879 bot.text()->redoParagraph(pit);
880 Paragraph const & par = bot.text()->paragraphs()[pit];
882 offset_ref_ = bv_funcs::coordOffset(cursor_, cursor_.boundary()).y_
883 + par.ascent() - height_ / 2;
887 void BufferView::Pimpl::stuffClipboard(string const & content) const
889 clipboard().put(content);
893 void BufferView::Pimpl::menuInsertLyXFile(string const & filenm)
895 BOOST_ASSERT(cursor_.inTexted());
896 string filename = filenm;
898 if (filename.empty()) {
899 // Launch a file browser
900 string initpath = lyxrc.document_path;
903 string const trypath = owner_->buffer()->filePath();
904 // If directory is writeable, use this as default.
905 if (isDirWriteable(trypath))
909 FileDialog fileDlg(_("Select LyX document to insert"),
911 make_pair(string(_("Documents|#o#O")),
912 string(lyxrc.document_path)),
913 make_pair(string(_("Examples|#E#e")),
914 string(addPath(package().system_support(), "examples"))));
916 FileDialog::Result result =
917 fileDlg.open(initpath,
918 FileFilterList(_("LyX Documents (*.lyx)")),
921 if (result.first == FileDialog::Later)
924 filename = result.second;
926 // check selected filename
927 if (filename.empty()) {
928 owner_->message(_("Canceled."));
933 // Get absolute path of file and add ".lyx"
934 // to the filename if necessary
935 filename = fileSearch(string(), filename, "lyx");
937 string const disp_fn = makeDisplayPath(filename);
938 owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
941 Buffer buf("", false);
942 buf.error.connect(boost::bind(&BufferView::Pimpl::addError, this, _1));
943 if (::loadLyXFile(&buf, makeAbsPath(filename))) {
944 lyx::cap::pasteParagraphList(cursor_, buf.paragraphs(),
945 buf.params().textclass);
946 res = _("Document %1$s inserted.");
948 res = _("Could not insert document %1$s");
950 owner_->message(bformat(res, disp_fn));
951 bv_->showErrorList(_("Document insertion"));
952 resizeCurrentBuffer();
956 void BufferView::Pimpl::trackChanges()
958 bool const tracking = buffer_->params().tracking_changes;
961 for_each(buffer_->par_iterator_begin(),
962 buffer_->par_iterator_end(),
963 bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
964 buffer_->params().tracking_changes = true;
966 // We cannot allow undos beyond the freeze point
967 buffer_->undostack().clear();
969 cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
970 if (lyx::find::findNextChange(bv_)) {
971 owner_->getDialogs().show("changes");
975 for_each(buffer_->par_iterator_begin(),
976 buffer_->par_iterator_end(),
977 mem_fun_ref(&Paragraph::untrackChanges));
979 buffer_->params().tracking_changes = false;
982 buffer_->redostack().clear();
986 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
988 //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
990 // This is only called for mouse related events including
991 // LFUN_FILE_OPEN generated by drag-and-drop.
992 FuncRequest cmd = cmd0;
995 if (cmd.action == LFUN_FILE_OPEN) {
996 owner_->dispatch(cmd);
1004 cur.push(buffer_->inset());
1005 cur.selection() = cursor_.selection();
1007 // Doesn't go through lyxfunc, so we need to update
1008 // the layout choice etc. ourselves
1010 // E.g. Qt mouse press when no buffer
1014 owner_->gui().guiCursor().hide();
1016 // Either the inset under the cursor or the
1017 // surrounding LyXText will handle this event.
1019 // Build temporary cursor.
1020 cmd.y = min(max(cmd.y, -1), height_);
1021 InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
1022 //lyxerr << BOOST_CURRENT_FUNCTION
1023 // << " * hit inset at tip: " << inset << endl;
1024 //lyxerr << BOOST_CURRENT_FUNCTION
1025 // << " * created temp cursor:" << cur << endl;
1027 // Put anchor at the same position.
1030 // Try to dispatch to an non-editable inset near this position
1031 // via the temp cursor. If the inset wishes to change the real
1032 // cursor it has to do so explicitly by using
1033 // cur.bv().cursor() = cur; (or similar)
1035 inset->dispatch(cur, cmd);
1037 // Now dispatch to the temporary cursor. If the real cursor should
1038 // be modified, the inset's dispatch has to do so explicitly.
1039 if (!cur.result().dispatched())
1042 if (cur.result().dispatched()) {
1043 // Redraw if requested or necessary.
1044 if (cur.result().update())
1045 update(Update::FitCursor | Update::Force);
1047 update(Update::FitCursor | Update::MultiParSel);
1050 // See workAreaKeyPress
1051 cursor_timeout.restart();
1052 owner_->gui().guiCursor().show(*bv_);
1054 // Skip these when selecting
1055 if (cmd.action != LFUN_MOUSE_MOTION) {
1056 owner_->updateLayoutChoice();
1057 owner_->updateToolbars();
1060 // Slight hack: this is only called currently when we
1061 // clicked somewhere, so we force through the display
1062 // of the new status here.
1063 owner_->clearMessage();
1068 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
1072 switch (cmd.action) {
1075 flag.enabled(!buffer_->undostack().empty());
1078 flag.enabled(!buffer_->redostack().empty());
1080 case LFUN_FILE_INSERT:
1081 case LFUN_FILE_INSERT_ASCII_PARA:
1082 case LFUN_FILE_INSERT_ASCII:
1083 case LFUN_BOOKMARK_SAVE:
1084 // FIXME: Actually, these LFUNS should be moved to LyXText
1085 flag.enabled(cursor_.inTexted());
1087 case LFUN_FONT_STATE:
1088 case LFUN_LABEL_INSERT:
1089 case LFUN_PARAGRAPH_GOTO:
1090 // FIXME handle non-trivially
1091 case LFUN_OUTLINE_UP:
1092 case LFUN_OUTLINE_DOWN:
1093 case LFUN_OUTLINE_IN:
1094 case LFUN_OUTLINE_OUT:
1095 case LFUN_ERROR_NEXT:
1096 case LFUN_NOTE_NEXT:
1097 case LFUN_REFERENCE_NEXT:
1098 case LFUN_WORD_FIND:
1099 case LFUN_WORD_REPLACE:
1102 case LFUN_MARK_TOGGLE:
1103 case LFUN_SCREEN_RECENTER:
1104 case LFUN_BIBTEX_DATABASE_ADD:
1105 case LFUN_BIBTEX_DATABASE_DEL:
1106 case LFUN_WORDS_COUNT:
1110 case LFUN_LABEL_GOTO: {
1111 flag.enabled(!cmd.argument.empty()
1112 || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
1116 case LFUN_BOOKMARK_GOTO:
1117 flag.enabled(isSavedPosition(convert<unsigned int>(cmd.argument)));
1119 case LFUN_CHANGES_TRACK:
1121 flag.setOnOff(buffer_->params().tracking_changes);
1124 case LFUN_CHANGES_OUTPUT: {
1125 OutputParams runparams;
1126 LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
1127 flag.enabled(buffer_ && buffer_->params().tracking_changes
1128 && features.isAvailable("dvipost"));
1129 flag.setOnOff(buffer_->params().output_changes);
1133 case LFUN_CHANGES_MERGE:
1134 case LFUN_CHANGE_ACCEPT: // what about these two
1135 case LFUN_CHANGE_REJECT: // what about these two
1136 case LFUN_ALL_CHANGES_ACCEPT:
1137 case LFUN_ALL_CHANGES_REJECT:
1138 flag.enabled(buffer_ && buffer_->params().tracking_changes);
1141 case LFUN_BUFFER_TOGGLE_COMPRESSION: {
1142 flag.setOnOff(buffer_->params().compressed);
1147 flag.enabled(false);
1155 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1157 //lyxerr << BOOST_CURRENT_FUNCTION
1158 // << [ cmd = " << cmd << "]" << endl;
1160 // Make sure that the cached BufferView is correct.
1161 lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
1162 << " action[" << cmd.action << ']'
1163 << " arg[" << cmd.argument << ']'
1164 << " x[" << cmd.x << ']'
1165 << " y[" << cmd.y << ']'
1166 << " button[" << cmd.button() << ']'
1169 LCursor & cur = cursor_;
1171 switch (cmd.action) {
1175 cur.message(_("Undo"));
1176 cur.clearSelection();
1177 if (!textUndo(*bv_))
1178 cur.message(_("No further undo information"));
1186 cur.message(_("Redo"));
1187 cur.clearSelection();
1188 if (!textRedo(*bv_))
1189 cur.message(_("No further redo information"));
1195 case LFUN_FILE_INSERT:
1196 menuInsertLyXFile(cmd.argument);
1199 case LFUN_FILE_INSERT_ASCII_PARA:
1200 insertAsciiFile(bv_, cmd.argument, true);
1203 case LFUN_FILE_INSERT_ASCII:
1204 insertAsciiFile(bv_, cmd.argument, false);
1207 case LFUN_FONT_STATE:
1208 cur.message(cur.currentState());
1211 case LFUN_BOOKMARK_SAVE:
1212 savePosition(convert<unsigned int>(cmd.argument));
1215 case LFUN_BOOKMARK_GOTO:
1216 restorePosition(convert<unsigned int>(cmd.argument));
1219 case LFUN_LABEL_GOTO: {
1220 string label = cmd.argument;
1221 if (label.empty()) {
1223 getInsetByCode<InsetRef>(cursor_,
1224 InsetBase::REF_CODE);
1226 label = inset->getContents();
1232 bv_->gotoLabel(label);
1236 case LFUN_PARAGRAPH_GOTO: {
1237 int const id = convert<int>(cmd.argument);
1238 ParIterator par = buffer_->getParFromID(id);
1239 if (par == buffer_->par_iterator_end()) {
1240 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1241 << id << ']' << endl;
1244 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1245 << " found." << endl;
1249 bv_->setCursor(makeDocIterator(par, 0));
1256 case LFUN_OUTLINE_UP:
1257 lyx::toc::outline(lyx::toc::Up, cursor_);
1258 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1259 updateLabels(*buffer_);
1261 case LFUN_OUTLINE_DOWN:
1262 lyx::toc::outline(lyx::toc::Down, cursor_);
1263 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1264 updateLabels(*buffer_);
1266 case LFUN_OUTLINE_IN:
1267 lyx::toc::outline(lyx::toc::In, cursor_);
1268 updateLabels(*buffer_);
1270 case LFUN_OUTLINE_OUT:
1271 lyx::toc::outline(lyx::toc::Out, cursor_);
1272 updateLabels(*buffer_);
1275 case LFUN_ERROR_NEXT:
1276 bv_funcs::gotoInset(bv_, InsetBase::ERROR_CODE, false);
1279 case LFUN_NOTE_NEXT:
1280 bv_funcs::gotoInset(bv_, InsetBase::NOTE_CODE, false);
1283 case LFUN_REFERENCE_NEXT: {
1284 vector<InsetBase_code> tmp;
1285 tmp.push_back(InsetBase::LABEL_CODE);
1286 tmp.push_back(InsetBase::REF_CODE);
1287 bv_funcs::gotoInset(bv_, tmp, true);
1291 case LFUN_CHANGES_TRACK:
1295 case LFUN_CHANGES_OUTPUT: {
1296 bool const state = buffer_->params().output_changes;
1297 buffer_->params().output_changes = !state;
1301 case LFUN_CHANGES_MERGE:
1302 if (lyx::find::findNextChange(bv_))
1303 owner_->getDialogs().show("changes");
1306 case LFUN_ALL_CHANGES_ACCEPT: {
1307 cursor_.reset(buffer_->inset());
1308 #ifdef WITH_WARNINGS
1309 #warning FIXME changes
1311 while (lyx::find::findNextChange(bv_))
1312 bv_->getLyXText()->acceptChange(cursor_);
1317 case LFUN_ALL_CHANGES_REJECT: {
1318 cursor_.reset(buffer_->inset());
1319 #ifdef WITH_WARNINGS
1320 #warning FIXME changes
1322 while (lyx::find::findNextChange(bv_))
1323 bv_->getLyXText()->rejectChange(cursor_);
1327 case LFUN_WORD_FIND:
1328 lyx::find::find(bv_, cmd);
1331 case LFUN_WORD_REPLACE:
1332 lyx::find::replace(bv_, cmd);
1336 cur.clearSelection();
1338 cur.message(N_("Mark off"));
1342 cur.clearSelection();
1345 cur.message(N_("Mark on"));
1348 case LFUN_MARK_TOGGLE:
1349 cur.clearSelection();
1352 cur.message(N_("Mark removed"));
1355 cur.message(N_("Mark set"));
1360 case LFUN_SCREEN_RECENTER:
1364 case LFUN_BIBTEX_DATABASE_ADD: {
1365 LCursor tmpcur = cursor_;
1366 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1367 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1368 InsetBase::BIBTEX_CODE);
1370 if (inset->addDatabase(cmd.argument))
1371 buffer_->updateBibfilesCache();
1376 case LFUN_BIBTEX_DATABASE_DEL: {
1377 LCursor tmpcur = cursor_;
1378 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1379 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1380 InsetBase::BIBTEX_CODE);
1382 if (inset->delDatabase(cmd.argument))
1383 buffer_->updateBibfilesCache();
1388 case LFUN_WORDS_COUNT: {
1389 DocIterator from, to;
1390 if (cur.selection()) {
1391 from = cur.selectionBegin();
1392 to = cur.selectionEnd();
1394 from = doc_iterator_begin(buffer_->inset());
1395 to = doc_iterator_end(buffer_->inset());
1397 int const count = countWords(from, to);
1400 if (cur.selection())
1401 message = bformat(_("%1$d words in selection."),
1404 message = bformat(_("%1$d words in document."),
1408 if (cur.selection())
1409 message = _("One word in selection.");
1411 message = _("One word in document.");
1414 Alert::information(_("Count words"), message);
1418 case LFUN_BUFFER_TOGGLE_COMPRESSION:
1419 // turn compression on/off
1420 buffer_->params().compressed = !buffer_->params().compressed;
1431 ViewMetricsInfo BufferView::Pimpl::metrics(bool singlepar)
1433 // Remove old position cache
1435 BufferView & bv = *bv_;
1436 LyXText * const text = bv.text();
1437 lyx::pit_type size = int(text->paragraphs().size());
1439 if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1440 anchor_ref_ = int(text->paragraphs().size() - 1);
1444 lyx::pit_type const pit = anchor_ref_;
1447 size_t const npit = text->paragraphs().size();
1449 // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
1450 // the (main text, not inset!) paragraph containing the cursor.
1451 // (if this paragraph contains insets etc., rebreaking will
1452 // recursively descend)
1453 if (!singlepar || pit == cursor_.bottom().pit())
1454 text->redoParagraph(pit);
1455 int y0 = text->getPar(pit).ascent() - offset_ref_;
1457 // Redo paragraphs above anchor if necessary; again, in Single Par
1458 // mode, only if we encounter the (main text) one having the cursor.
1460 while (y1 > 0 && pit1 > 0) {
1461 y1 -= text->getPar(pit1).ascent();
1463 if (!singlepar || pit1 == cursor_.bottom().pit())
1464 text->redoParagraph(pit1);
1465 y1 -= text->getPar(pit1).descent();
1469 // Take care of ascent of first line
1470 y1 -= text->getPar(pit1).ascent();
1472 // Normalize anchor for next time
1476 // Grey at the beginning is ugly
1477 if (pit1 == 0 && y1 > 0) {
1483 // Redo paragraphs below the anchor if necessary. Single par mode:
1484 // only the one containing the cursor if encountered.
1486 while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1487 y2 += text->getPar(pit2).descent();
1489 if (!singlepar || pit2 == cursor_.bottom().pit())
1490 text->redoParagraph(pit2);
1491 y2 += text->getPar(pit2).ascent();
1494 // Take care of descent of last line
1495 y2 += text->getPar(pit2).descent();
1497 // The coordinates of all these paragraphs are correct, cache them
1499 for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1500 y += text->getPar(pit).ascent();
1501 theCoords.parPos()[text][pit] = Point(0, y);
1502 if (singlepar && pit == cursor_.bottom().pit()) {
1503 // In Single Paragraph mode, collect here the
1504 // y1 and y2 of the (one) paragraph the cursor is in
1505 y1 = y - text->getPar(pit).ascent();
1506 y2 = y + text->getPar(pit).descent();
1508 y += text->getPar(pit).descent();
1512 // collect cursor paragraph iter bounds
1513 pit1 = cursor_.bottom().pit();
1514 pit2 = cursor_.bottom().pit();
1517 lyxerr[Debug::DEBUG]
1518 << BOOST_CURRENT_FUNCTION
1521 << " pit1: " << pit1
1522 << " pit2: " << pit2
1523 << " npit: " << npit
1524 << " singlepar: " << singlepar
1528 return ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);