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 ViewMetricsInfo const & BufferView::Pimpl::viewMetricsInfo()
686 return metrics_info_;
690 void BufferView::Pimpl::update(Update::flags flags)
692 // This is close to a hot-path.
693 if (lyxerr.debugging(Debug::DEBUG)) {
695 << BOOST_CURRENT_FUNCTION
696 << "[fitcursor = " << (flags & Update::FitCursor)
697 << ", forceupdate = " << (flags & Update::Force)
698 << ", singlepar = " << (flags & Update::SinglePar)
699 << "] buffer: " << buffer_ << endl;
702 // Check needed to survive LyX startup
704 // Update macro store
705 buffer_->buildMacros();
707 // This, together with doneUpdating(), verifies (using
708 // asserts) that screen redraw is not called from
710 theCoords.startUpdating();
712 // First drawing step
713 bool singlePar = flags & Update::SinglePar;
714 bool forceupdate(flags & (Update::Force | Update::SinglePar));
716 if ((flags & (Update::FitCursor | Update::MultiParSel))
717 && (fitCursor() || multiParSel())) {
723 // Second drawing step
724 updateMetrics(singlePar);
725 owner_->workArea()->redraw(*bv_);
727 // Abort updating of the coord
728 // cache - just restore the old one
729 theCoords.doneUpdating();
732 owner_->workArea()->greyOut();
734 owner_->view_state_changed();
738 // Callback for cursor timer
739 void BufferView::Pimpl::cursorToggle()
742 owner_->gui().guiCursor().toggle(*bv_);
744 // Use this opportunity to deal with any child processes that
745 // have finished but are waiting to communicate this fact
746 // to the rest of LyX.
747 ForkedcallsController & fcc = ForkedcallsController::get();
748 fcc.handleCompletedProcesses();
751 cursor_timeout.restart();
755 bool BufferView::Pimpl::available() const
757 return buffer_ && bv_->text();
761 Change const BufferView::Pimpl::getCurrentChange()
763 if (!buffer_->params().tracking_changes)
764 return Change(Change::UNCHANGED);
766 LyXText * text = bv_->getLyXText();
767 LCursor & cur = cursor_;
769 if (!cur.selection())
770 return Change(Change::UNCHANGED);
772 return text->getPar(cur.selBegin().pit()).
773 lookupChange(cur.selBegin().pos());
777 void BufferView::Pimpl::savePosition(unsigned int i)
779 if (i >= saved_positions_num)
781 BOOST_ASSERT(cursor_.inTexted());
782 saved_positions[i] = Position(buffer_->fileName(),
783 cursor_.paragraph().id(),
786 owner_->message(bformat(_("Saved bookmark %1$d"), i));
790 void BufferView::Pimpl::restorePosition(unsigned int i)
792 if (i >= saved_positions_num)
795 string const fname = saved_positions[i].filename;
797 cursor_.clearSelection();
799 if (fname != buffer_->fileName()) {
801 if (bufferlist.exists(fname))
802 b = bufferlist.getBuffer(fname);
804 b = bufferlist.newBuffer(fname);
805 // Don't ask, just load it
806 ::loadLyXFile(b, fname);
812 ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
813 if (par == buffer_->par_iterator_end())
816 bv_->setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
819 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
823 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
825 return i < saved_positions_num && !saved_positions[i].filename.empty();
829 void BufferView::Pimpl::saveSavedPositions()
831 // save bookmarks. It is better to use the pit interface
832 // but I do not know how to effectively convert between
834 for (unsigned int i=1; i < saved_positions_num; ++i) {
835 if ( isSavedPosition(i) )
836 LyX::ref().session().saveBookmark( boost::tie(
838 saved_positions[i].filename,
839 saved_positions[i].par_id,
840 saved_positions[i].par_pos) );
845 void BufferView::Pimpl::switchKeyMap()
847 if (!lyxrc.rtl_support)
850 Intl & intl = owner_->getIntl();
851 if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
852 if (intl.keymap == Intl::PRIMARY)
855 if (intl.keymap == Intl::SECONDARY)
861 void BufferView::Pimpl::center()
863 CursorSlice & bot = cursor_.bottom();
864 lyx::pit_type const pit = bot.pit();
865 bot.text()->redoParagraph(pit);
866 Paragraph const & par = bot.text()->paragraphs()[pit];
868 offset_ref_ = bv_funcs::coordOffset(cursor_, cursor_.boundary()).y_
869 + par.ascent() - height_ / 2;
874 void BufferView::Pimpl::menuInsertLyXFile(string const & filenm)
876 BOOST_ASSERT(cursor_.inTexted());
877 string filename = filenm;
879 if (filename.empty()) {
880 // Launch a file browser
881 string initpath = lyxrc.document_path;
884 string const trypath = owner_->buffer()->filePath();
885 // If directory is writeable, use this as default.
886 if (isDirWriteable(trypath))
890 FileDialog fileDlg(_("Select LyX document to insert"),
892 make_pair(string(_("Documents|#o#O")),
893 string(lyxrc.document_path)),
894 make_pair(string(_("Examples|#E#e")),
895 string(addPath(package().system_support(), "examples"))));
897 FileDialog::Result result =
898 fileDlg.open(initpath,
899 FileFilterList(_("LyX Documents (*.lyx)")),
902 if (result.first == FileDialog::Later)
905 filename = result.second;
907 // check selected filename
908 if (filename.empty()) {
909 owner_->message(_("Canceled."));
914 // Get absolute path of file and add ".lyx"
915 // to the filename if necessary
916 filename = fileSearch(string(), filename, "lyx");
918 string const disp_fn = makeDisplayPath(filename);
919 owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
922 Buffer buf("", false);
923 buf.error.connect(boost::bind(&BufferView::Pimpl::addError, this, _1));
924 if (::loadLyXFile(&buf, makeAbsPath(filename))) {
925 lyx::cap::pasteParagraphList(cursor_, buf.paragraphs(),
926 buf.params().textclass);
927 res = _("Document %1$s inserted.");
929 res = _("Could not insert document %1$s");
931 owner_->message(bformat(res, disp_fn));
932 bv_->showErrorList(_("Document insertion"));
933 resizeCurrentBuffer();
937 void BufferView::Pimpl::trackChanges()
939 bool const tracking = buffer_->params().tracking_changes;
942 for_each(buffer_->par_iterator_begin(),
943 buffer_->par_iterator_end(),
944 bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
945 buffer_->params().tracking_changes = true;
947 // We cannot allow undos beyond the freeze point
948 buffer_->undostack().clear();
950 cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
951 if (lyx::find::findNextChange(bv_)) {
952 owner_->getDialogs().show("changes");
956 for_each(buffer_->par_iterator_begin(),
957 buffer_->par_iterator_end(),
958 mem_fun_ref(&Paragraph::untrackChanges));
960 buffer_->params().tracking_changes = false;
963 buffer_->redostack().clear();
967 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
969 //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
971 // This is only called for mouse related events including
972 // LFUN_FILE_OPEN generated by drag-and-drop.
973 FuncRequest cmd = cmd0;
976 if (cmd.action == LFUN_FILE_OPEN) {
977 owner_->dispatch(cmd);
985 cur.push(buffer_->inset());
986 cur.selection() = cursor_.selection();
988 // Doesn't go through lyxfunc, so we need to update
989 // the layout choice etc. ourselves
991 // E.g. Qt mouse press when no buffer
995 owner_->gui().guiCursor().hide();
997 // Either the inset under the cursor or the
998 // surrounding LyXText will handle this event.
1000 // Build temporary cursor.
1001 cmd.y = min(max(cmd.y, -1), height_);
1002 InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
1003 //lyxerr << BOOST_CURRENT_FUNCTION
1004 // << " * hit inset at tip: " << inset << endl;
1005 //lyxerr << BOOST_CURRENT_FUNCTION
1006 // << " * created temp cursor:" << cur << endl;
1008 // Put anchor at the same position.
1011 // Try to dispatch to an non-editable inset near this position
1012 // via the temp cursor. If the inset wishes to change the real
1013 // cursor it has to do so explicitly by using
1014 // cur.bv().cursor() = cur; (or similar)
1016 inset->dispatch(cur, cmd);
1018 // Now dispatch to the temporary cursor. If the real cursor should
1019 // be modified, the inset's dispatch has to do so explicitly.
1020 if (!cur.result().dispatched())
1023 if (cur.result().dispatched()) {
1024 // Redraw if requested or necessary.
1025 if (cur.result().update())
1026 update(Update::FitCursor | Update::Force);
1028 update(Update::FitCursor | Update::MultiParSel);
1031 // See workAreaKeyPress
1032 cursor_timeout.restart();
1033 owner_->gui().guiCursor().show(*bv_);
1035 // Skip these when selecting
1036 if (cmd.action != LFUN_MOUSE_MOTION) {
1037 owner_->updateLayoutChoice();
1038 owner_->updateToolbars();
1041 // Slight hack: this is only called currently when we
1042 // clicked somewhere, so we force through the display
1043 // of the new status here.
1044 owner_->clearMessage();
1049 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
1053 switch (cmd.action) {
1056 flag.enabled(!buffer_->undostack().empty());
1059 flag.enabled(!buffer_->redostack().empty());
1061 case LFUN_FILE_INSERT:
1062 case LFUN_FILE_INSERT_ASCII_PARA:
1063 case LFUN_FILE_INSERT_ASCII:
1064 case LFUN_BOOKMARK_SAVE:
1065 // FIXME: Actually, these LFUNS should be moved to LyXText
1066 flag.enabled(cursor_.inTexted());
1068 case LFUN_FONT_STATE:
1069 case LFUN_LABEL_INSERT:
1070 case LFUN_PARAGRAPH_GOTO:
1071 // FIXME handle non-trivially
1072 case LFUN_OUTLINE_UP:
1073 case LFUN_OUTLINE_DOWN:
1074 case LFUN_OUTLINE_IN:
1075 case LFUN_OUTLINE_OUT:
1076 case LFUN_ERROR_NEXT:
1077 case LFUN_NOTE_NEXT:
1078 case LFUN_REFERENCE_NEXT:
1079 case LFUN_WORD_FIND:
1080 case LFUN_WORD_REPLACE:
1083 case LFUN_MARK_TOGGLE:
1084 case LFUN_SCREEN_RECENTER:
1085 case LFUN_BIBTEX_DATABASE_ADD:
1086 case LFUN_BIBTEX_DATABASE_DEL:
1087 case LFUN_WORDS_COUNT:
1091 case LFUN_LABEL_GOTO: {
1092 flag.enabled(!cmd.argument.empty()
1093 || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
1097 case LFUN_BOOKMARK_GOTO:
1098 flag.enabled(isSavedPosition(convert<unsigned int>(cmd.argument)));
1100 case LFUN_CHANGES_TRACK:
1102 flag.setOnOff(buffer_->params().tracking_changes);
1105 case LFUN_CHANGES_OUTPUT: {
1106 OutputParams runparams;
1107 LaTeXFeatures features(*buffer_, buffer_->params(), runparams);
1108 flag.enabled(buffer_ && buffer_->params().tracking_changes
1109 && features.isAvailable("dvipost"));
1110 flag.setOnOff(buffer_->params().output_changes);
1114 case LFUN_CHANGES_MERGE:
1115 case LFUN_CHANGE_ACCEPT: // what about these two
1116 case LFUN_CHANGE_REJECT: // what about these two
1117 case LFUN_ALL_CHANGES_ACCEPT:
1118 case LFUN_ALL_CHANGES_REJECT:
1119 flag.enabled(buffer_ && buffer_->params().tracking_changes);
1122 case LFUN_BUFFER_TOGGLE_COMPRESSION: {
1123 flag.setOnOff(buffer_->params().compressed);
1128 flag.enabled(false);
1136 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1138 //lyxerr << BOOST_CURRENT_FUNCTION
1139 // << [ cmd = " << cmd << "]" << endl;
1141 // Make sure that the cached BufferView is correct.
1142 lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
1143 << " action[" << cmd.action << ']'
1144 << " arg[" << cmd.argument << ']'
1145 << " x[" << cmd.x << ']'
1146 << " y[" << cmd.y << ']'
1147 << " button[" << cmd.button() << ']'
1150 LCursor & cur = cursor_;
1152 switch (cmd.action) {
1156 cur.message(_("Undo"));
1157 cur.clearSelection();
1158 if (!textUndo(*bv_))
1159 cur.message(_("No further undo information"));
1167 cur.message(_("Redo"));
1168 cur.clearSelection();
1169 if (!textRedo(*bv_))
1170 cur.message(_("No further redo information"));
1176 case LFUN_FILE_INSERT:
1177 menuInsertLyXFile(cmd.argument);
1180 case LFUN_FILE_INSERT_ASCII_PARA:
1181 insertAsciiFile(bv_, cmd.argument, true);
1184 case LFUN_FILE_INSERT_ASCII:
1185 insertAsciiFile(bv_, cmd.argument, false);
1188 case LFUN_FONT_STATE:
1189 cur.message(cur.currentState());
1192 case LFUN_BOOKMARK_SAVE:
1193 savePosition(convert<unsigned int>(cmd.argument));
1196 case LFUN_BOOKMARK_GOTO:
1197 restorePosition(convert<unsigned int>(cmd.argument));
1200 case LFUN_LABEL_GOTO: {
1201 string label = cmd.argument;
1202 if (label.empty()) {
1204 getInsetByCode<InsetRef>(cursor_,
1205 InsetBase::REF_CODE);
1207 label = inset->getContents();
1213 bv_->gotoLabel(label);
1217 case LFUN_PARAGRAPH_GOTO: {
1218 int const id = convert<int>(cmd.argument);
1219 ParIterator par = buffer_->getParFromID(id);
1220 if (par == buffer_->par_iterator_end()) {
1221 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1222 << id << ']' << endl;
1225 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1226 << " found." << endl;
1230 bv_->setCursor(makeDocIterator(par, 0));
1237 case LFUN_OUTLINE_UP:
1238 lyx::toc::outline(lyx::toc::Up, cursor_);
1239 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1240 updateLabels(*buffer_);
1242 case LFUN_OUTLINE_DOWN:
1243 lyx::toc::outline(lyx::toc::Down, cursor_);
1244 cursor_.text()->setCursor(cursor_, cursor_.pit(), 0);
1245 updateLabels(*buffer_);
1247 case LFUN_OUTLINE_IN:
1248 lyx::toc::outline(lyx::toc::In, cursor_);
1249 updateLabels(*buffer_);
1251 case LFUN_OUTLINE_OUT:
1252 lyx::toc::outline(lyx::toc::Out, cursor_);
1253 updateLabels(*buffer_);
1256 case LFUN_ERROR_NEXT:
1257 bv_funcs::gotoInset(bv_, InsetBase::ERROR_CODE, false);
1260 case LFUN_NOTE_NEXT:
1261 bv_funcs::gotoInset(bv_, InsetBase::NOTE_CODE, false);
1264 case LFUN_REFERENCE_NEXT: {
1265 vector<InsetBase_code> tmp;
1266 tmp.push_back(InsetBase::LABEL_CODE);
1267 tmp.push_back(InsetBase::REF_CODE);
1268 bv_funcs::gotoInset(bv_, tmp, true);
1272 case LFUN_CHANGES_TRACK:
1276 case LFUN_CHANGES_OUTPUT: {
1277 bool const state = buffer_->params().output_changes;
1278 buffer_->params().output_changes = !state;
1282 case LFUN_CHANGES_MERGE:
1283 if (lyx::find::findNextChange(bv_))
1284 owner_->getDialogs().show("changes");
1287 case LFUN_ALL_CHANGES_ACCEPT: {
1288 cursor_.reset(buffer_->inset());
1289 #ifdef WITH_WARNINGS
1290 #warning FIXME changes
1292 while (lyx::find::findNextChange(bv_))
1293 bv_->getLyXText()->acceptChange(cursor_);
1298 case LFUN_ALL_CHANGES_REJECT: {
1299 cursor_.reset(buffer_->inset());
1300 #ifdef WITH_WARNINGS
1301 #warning FIXME changes
1303 while (lyx::find::findNextChange(bv_))
1304 bv_->getLyXText()->rejectChange(cursor_);
1308 case LFUN_WORD_FIND:
1309 lyx::find::find(bv_, cmd);
1312 case LFUN_WORD_REPLACE:
1313 lyx::find::replace(bv_, cmd);
1317 cur.clearSelection();
1319 cur.message(N_("Mark off"));
1323 cur.clearSelection();
1326 cur.message(N_("Mark on"));
1329 case LFUN_MARK_TOGGLE:
1330 cur.clearSelection();
1333 cur.message(N_("Mark removed"));
1336 cur.message(N_("Mark set"));
1341 case LFUN_SCREEN_RECENTER:
1345 case LFUN_BIBTEX_DATABASE_ADD: {
1346 LCursor tmpcur = cursor_;
1347 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1348 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1349 InsetBase::BIBTEX_CODE);
1351 if (inset->addDatabase(cmd.argument))
1352 buffer_->updateBibfilesCache();
1357 case LFUN_BIBTEX_DATABASE_DEL: {
1358 LCursor tmpcur = cursor_;
1359 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1360 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1361 InsetBase::BIBTEX_CODE);
1363 if (inset->delDatabase(cmd.argument))
1364 buffer_->updateBibfilesCache();
1369 case LFUN_WORDS_COUNT: {
1370 DocIterator from, to;
1371 if (cur.selection()) {
1372 from = cur.selectionBegin();
1373 to = cur.selectionEnd();
1375 from = doc_iterator_begin(buffer_->inset());
1376 to = doc_iterator_end(buffer_->inset());
1378 int const count = countWords(from, to);
1381 if (cur.selection())
1382 message = bformat(_("%1$d words in selection."),
1385 message = bformat(_("%1$d words in document."),
1389 if (cur.selection())
1390 message = _("One word in selection.");
1392 message = _("One word in document.");
1395 Alert::information(_("Count words"), message);
1399 case LFUN_BUFFER_TOGGLE_COMPRESSION:
1400 // turn compression on/off
1401 buffer_->params().compressed = !buffer_->params().compressed;
1412 void BufferView::Pimpl::updateMetrics(bool singlepar)
1414 // Remove old position cache
1416 BufferView & bv = *bv_;
1417 LyXText * const text = bv.text();
1418 lyx::pit_type size = int(text->paragraphs().size());
1420 if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1421 anchor_ref_ = int(text->paragraphs().size() - 1);
1425 lyx::pit_type const pit = anchor_ref_;
1428 size_t const npit = text->paragraphs().size();
1430 // Rebreak anchor paragraph. In Single Paragraph mode, rebreak only
1431 // the (main text, not inset!) paragraph containing the cursor.
1432 // (if this paragraph contains insets etc., rebreaking will
1433 // recursively descend)
1434 if (!singlepar || pit == cursor_.bottom().pit())
1435 text->redoParagraph(pit);
1436 int y0 = text->getPar(pit).ascent() - offset_ref_;
1438 // Redo paragraphs above anchor if necessary; again, in Single Par
1439 // mode, only if we encounter the (main text) one having the cursor.
1441 while (y1 > 0 && pit1 > 0) {
1442 y1 -= text->getPar(pit1).ascent();
1444 if (!singlepar || pit1 == cursor_.bottom().pit())
1445 text->redoParagraph(pit1);
1446 y1 -= text->getPar(pit1).descent();
1450 // Take care of ascent of first line
1451 y1 -= text->getPar(pit1).ascent();
1453 // Normalize anchor for next time
1457 // Grey at the beginning is ugly
1458 if (pit1 == 0 && y1 > 0) {
1464 // Redo paragraphs below the anchor if necessary. Single par mode:
1465 // only the one containing the cursor if encountered.
1467 while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1468 y2 += text->getPar(pit2).descent();
1470 if (!singlepar || pit2 == cursor_.bottom().pit())
1471 text->redoParagraph(pit2);
1472 y2 += text->getPar(pit2).ascent();
1475 // Take care of descent of last line
1476 y2 += text->getPar(pit2).descent();
1478 // The coordinates of all these paragraphs are correct, cache them
1480 for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1481 y += text->getPar(pit).ascent();
1482 theCoords.parPos()[text][pit] = Point(0, y);
1483 if (singlepar && pit == cursor_.bottom().pit()) {
1484 // In Single Paragraph mode, collect here the
1485 // y1 and y2 of the (one) paragraph the cursor is in
1486 y1 = y - text->getPar(pit).ascent();
1487 y2 = y + text->getPar(pit).descent();
1489 y += text->getPar(pit).descent();
1493 // collect cursor paragraph iter bounds
1494 pit1 = cursor_.bottom().pit();
1495 pit2 = cursor_.bottom().pit();
1498 lyxerr[Debug::DEBUG]
1499 << BOOST_CURRENT_FUNCTION
1502 << " pit1: " << pit1
1503 << " pit2: " << pit2
1504 << " npit: " << npit
1505 << " singlepar: " << singlepar
1509 metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2, singlepar, size);