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"
29 #include "dispatchresult.h"
31 #include "FloatList.h"
32 #include "funcrequest.h"
33 #include "FuncStatus.h"
36 #include "insetiterator.h"
37 #include "LaTeXFeatures.h"
38 #include "lyx_cb.h" // added for Dispatch functions
44 #include "lastfiles.h"
45 #include "metricsinfo.h"
46 #include "paragraph.h"
47 #include "paragraph_funcs.h"
48 #include "ParagraphParameters.h"
49 #include "pariterator.h"
50 #include "rowpainter.h"
54 #include "insets/insetbibtex.h"
55 #include "insets/insetref.h"
56 #include "insets/insettext.h"
58 #include "frontends/Alert.h"
59 #include "frontends/Dialogs.h"
60 #include "frontends/FileDialog.h"
61 #include "frontends/font_metrics.h"
62 #include "frontends/LyXView.h"
63 #include "frontends/LyXScreenFactory.h"
64 #include "frontends/screen.h"
65 #include "frontends/WorkArea.h"
66 #include "frontends/WorkAreaFactory.h"
68 #include "graphics/Previews.h"
70 #include "support/convert.h"
71 #include "support/filefilterlist.h"
72 #include "support/filetools.h"
73 #include "support/forkedcontr.h"
74 #include "support/package.h"
75 #include "support/types.h"
77 #include <boost/bind.hpp>
78 #include <boost/current_function.hpp>
85 using lyx::support::AddPath;
86 using lyx::support::bformat;
87 using lyx::support::FileFilterList;
88 using lyx::support::FileSearch;
89 using lyx::support::ForkedcallsController;
90 using lyx::support::IsDirWriteable;
91 using lyx::support::MakeDisplayPath;
92 using lyx::support::MakeAbsPath;
93 using lyx::support::package;
96 using std::istringstream;
101 using std::mem_fun_ref;
105 extern BufferList bufferlist;
110 unsigned int const saved_positions_num = 20;
112 // All the below connection objects are needed because of a bug in some
113 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
114 // to these connections we avoid a segfault upon startup, and also at exit.
117 boost::signals::connection dispatchcon;
118 boost::signals::connection timecon;
119 boost::signals::connection doccon;
120 boost::signals::connection resizecon;
121 boost::signals::connection kpresscon;
122 boost::signals::connection selectioncon;
123 boost::signals::connection lostcon;
126 /// Return an inset of this class if it exists at the current cursor position
128 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
131 DocIterator it = cur;
132 if (it.nextInset() &&
133 it.nextInset()->lyxCode() == code) {
134 inset = static_cast<T*>(it.nextInset());
142 BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner,
143 int width, int height)
144 : bv_(&bv), owner_(owner), buffer_(0), cursor_timeout(400),
145 using_xterm_cursor(false), cursor_(bv) ,
146 anchor_ref_(0), offset_ref_(0)
148 xsel_cache_.set = false;
150 workarea_.reset(WorkAreaFactory::create(*owner_, width, height));
151 screen_.reset(LyXScreenFactory::create(workarea()));
154 doccon = workarea().scrollDocView
155 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
156 resizecon = workarea().workAreaResize
157 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
158 dispatchcon = workarea().dispatch
159 .connect(boost::bind(&BufferView::Pimpl::workAreaDispatch, this, _1));
160 kpresscon = workarea().workAreaKeyPress
161 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
162 selectioncon = workarea().selectionRequested
163 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
164 lostcon = workarea().selectionLost
165 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
167 timecon = cursor_timeout.timeout
168 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
169 cursor_timeout.start();
170 saved_positions.resize(saved_positions_num);
174 void BufferView::Pimpl::addError(ErrorItem const & ei)
176 errorlist_.push_back(ei);
180 void BufferView::Pimpl::showReadonly(bool)
182 owner_->updateWindowTitle();
183 owner_->getDialogs().updateBufferDependent(false);
187 void BufferView::Pimpl::connectBuffer(Buffer & buf)
189 if (errorConnection_.connected())
194 boost::bind(&BufferView::Pimpl::addError, this, _1));
198 boost::bind(&LyXView::message, owner_, _1));
202 boost::bind(&LyXView::busy, owner_, _1));
205 buf.updateTitles.connect(
206 boost::bind(&LyXView::updateWindowTitle, owner_));
209 buf.resetAutosaveTimers.connect(
210 boost::bind(&LyXView::resetAutosaveTimer, owner_));
212 readonlyConnection_ =
213 buf.readonly.connect(
214 boost::bind(&BufferView::Pimpl::showReadonly, this, _1));
218 boost::bind(&BufferView::Pimpl::setBuffer, this, (Buffer *)0));
222 void BufferView::Pimpl::disconnectBuffer()
224 errorConnection_.disconnect();
225 messageConnection_.disconnect();
226 busyConnection_.disconnect();
227 titleConnection_.disconnect();
228 timerConnection_.disconnect();
229 readonlyConnection_.disconnect();
230 closingConnection_.disconnect();
234 void BufferView::Pimpl::newFile(string const & filename, string const & tname,
237 setBuffer(::newFile(filename, tname, isNamed));
241 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
243 // Get absolute path of file and add ".lyx"
244 // to the filename if necessary
245 string s = FileSearch(string(), filename, "lyx");
247 bool const found = !s.empty();
252 // File already open?
253 if (bufferlist.exists(s)) {
254 string const file = MakeDisplayPath(s, 20);
255 string text = bformat(_("The document %1$s is already "
256 "loaded.\n\nDo you want to revert "
257 "to the saved version?"), file);
258 int const ret = Alert::prompt(_("Revert to saved document?"),
259 text, 0, 1, _("&Revert"), _("&Switch to document"));
262 setBuffer(bufferlist.getBuffer(s));
265 // FIXME: should be LFUN_REVERT
266 if (!bufferlist.close(bufferlist.getBuffer(s), false))
268 // Fall through to new load. (Asger)
274 b = bufferlist.newBuffer(s);
276 if (!::loadLyXFile(b, s)) {
277 bufferlist.release(b);
281 string text = bformat(_("The document %1$s does not yet "
282 "exist.\n\nDo you want to create "
283 "a new document?"), s);
284 int const ret = Alert::prompt(_("Create new document?"),
285 text, 0, 1, _("&Create"), _("Cancel"));
288 b = ::newFile(s, string(), true);
294 bv_->showErrorList(_("Parse"));
297 LyX::ref().lastfiles().newFile(b->fileName());
303 WorkArea & BufferView::Pimpl::workarea() const
305 return *workarea_.get();
309 LyXScreen & BufferView::Pimpl::screen() const
311 return *screen_.get();
315 Painter & BufferView::Pimpl::painter() const
317 return workarea().getPainter();
321 void BufferView::Pimpl::setBuffer(Buffer * b)
323 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
324 << "[ b = " << b << "]" << endl;
328 // Save the actual cursor position and anchor inside the
329 // buffer so that it can be restored in case we rechange
330 // to this buffer later on.
331 buffer_->saveCursor(cursor_.selectionBegin(),
332 cursor_.selectionEnd());
335 // If we are closing current buffer, switch to the first in
338 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
339 << " No Buffer!" << endl;
340 // We are closing the buffer, use the first buffer as current
341 buffer_ = bufferlist.first();
342 owner_->getDialogs().hideBufferDependent();
344 // Set current buffer
349 cursor_ = LCursor(*bv_);
354 // If we're quitting lyx, don't bother updating stuff
359 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
360 << "Buffer addr: " << buffer_ << endl;
361 connectBuffer(*buffer_);
362 cursor_.push(buffer_->inset());
363 cursor_.resetAnchor();
364 buffer_->text().init(bv_);
365 buffer_->text().setCurrentFont(cursor_);
366 if (buffer_->getCursor().size() > 0 &&
367 buffer_->getAnchor().size() > 0)
369 cursor_.setCursor(buffer_->getAnchor().asDocIterator(&(buffer_->inset())));
370 cursor_.resetAnchor();
371 cursor_.setCursor(buffer_->getCursor().asDocIterator(&(buffer_->inset())));
372 cursor_.setSelection();
375 // Buffer-dependent dialogs should be updated or
376 // hidden. This should go here because some dialogs (eg ToC)
377 // require bv_->text.
378 owner_->getDialogs().updateBufferDependent(true);
383 owner_->updateMenubar();
384 owner_->updateToolbars();
385 owner_->updateLayoutChoice();
386 owner_->updateWindowTitle();
388 // This is done after the layout combox has been populated
390 size_t i = cursor_.depth() - 1;
391 // we know we'll eventually find a paragraph
393 CursorSlice const & slice = cursor_[i];
394 if (!slice.inset().inMathed()) {
395 LyXLayout_ptr const layout = slice.paragraph().layout();
396 owner_->setLayout(layout->name());
404 if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
405 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
409 void BufferView::Pimpl::resizeCurrentBuffer()
411 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
413 owner_->message(_("Formatting document..."));
415 LyXText * text = bv_->text();
425 // Reset the "Formatting..." message
426 owner_->clearMessage();
432 void BufferView::Pimpl::updateScrollbar()
435 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
436 << " no text in updateScrollbar" << endl;
437 workarea().setScrollbarParams(0, 0, 0);
441 LyXText & t = *bv_->text();
442 if (anchor_ref_ > int(t.paragraphs().size()) - 1) {
443 anchor_ref_ = int(t.paragraphs().size()) - 1;
448 << BOOST_CURRENT_FUNCTION
449 << " Updating scrollbar: height: " << t.paragraphs().size()
450 << " curr par: " << cursor_.bottom().pit()
451 << " default height " << defaultRowHeight() << endl;
453 // It would be better to fix the scrollbar to understand
454 // values in [0..1] and divide everything by wh
456 // estimated average paragraph height:
457 int const wh = workarea().workHeight() / 4;
458 int h = t.getPar(anchor_ref_).height();
459 // Normalize anchor/offset (MV):
460 while (offset_ref_ > h) {
463 h = t.getPar(anchor_ref_).height();
466 // The "+ 2" makes inoculates doc bottom display against
467 // unrealistic wh values (docs with very large paragraphs) (MV)
468 workarea().setScrollbarParams((t.paragraphs().size() + 2) * wh,
469 anchor_ref_ * wh + int(offset_ref_ * wh / float(h)),
470 int(wh * defaultRowHeight() / float(h)));
471 // workarea().setScrollbarParams(t.paragraphs().size(), anchor_ref_, 1);
475 void BufferView::Pimpl::scrollDocView(int value)
477 lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
478 << "[ value = " << value << "]" << endl;
483 screen().hideCursor();
485 int const wh = workarea().workHeight() / 4;
487 LyXText & t = *bv_->text();
489 float const bar = value / float(wh * t.paragraphs().size());
491 anchor_ref_ = int(bar * t.paragraphs().size());
492 t.redoParagraph(anchor_ref_);
493 int const h = t.getPar(anchor_ref_).height();
494 offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
497 if (!lyxrc.cursor_follows_scrollbar)
500 int const height = 2 * defaultRowHeight();
501 int const first = height;
502 int const last = workarea().workHeight() - height;
503 LCursor & cur = cursor_;
505 bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
508 case bv_funcs::CUR_ABOVE:
509 t.setCursorFromCoordinates(cur, 0, first);
510 cur.clearSelection();
512 case bv_funcs::CUR_BELOW:
513 t.setCursorFromCoordinates(cur, 0, last);
514 cur.clearSelection();
516 case bv_funcs::CUR_INSIDE:
517 int const y = bv_funcs::getPos(cur, cur.boundary()).y_;
518 int const newy = min(last, max(y, first));
520 cur.reset(buffer_->inset());
521 t.setCursorFromCoordinates(cur, 0, newy);
524 owner_->updateLayoutChoice();
528 void BufferView::Pimpl::scroll(int /*lines*/)
533 // LyXText const * t = bv_->text();
534 // int const line_height = defaultRowHeight();
536 // // The new absolute coordinate
537 // int new_top_y = top_y() + lines * line_height;
539 // // Restrict to a valid value
540 // new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
541 // new_top_y = std::max(0, new_top_y);
543 // scrollDocView(new_top_y);
545 // // Update the scrollbar.
546 // workarea().setScrollbarParams(t->height(), top_y(), defaultRowHeight());
550 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
551 key_modifier::state state)
553 owner_->getLyXFunc().processKeySym(key, state);
555 /* This is perhaps a bit of a hack. When we move
556 * around, or type, it's nice to be able to see
557 * the cursor immediately after the keypress. So
558 * we reset the toggle timeout and force the visibility
559 * of the cursor. Note we cannot do this inside
560 * dispatch() itself, because that's called recursively.
563 screen().showCursor(*bv_);
567 void BufferView::Pimpl::selectionRequested()
574 LCursor & cur = cursor_;
576 if (!cur.selection()) {
577 xsel_cache_.set = false;
581 if (!xsel_cache_.set ||
582 cur.top() != xsel_cache_.cursor ||
583 cur.anchor_.top() != xsel_cache_.anchor)
585 xsel_cache_.cursor = cur.top();
586 xsel_cache_.anchor = cur.anchor_.top();
587 xsel_cache_.set = cur.selection();
588 sel = cur.selectionAsString(false);
590 workarea().putClipboard(sel);
595 void BufferView::Pimpl::selectionLost()
598 screen().hideCursor();
599 cursor_.clearSelection();
600 xsel_cache_.set = false;
605 void BufferView::Pimpl::workAreaResize()
607 static int work_area_width;
608 static int work_area_height;
610 bool const widthChange = workarea().workWidth() != work_area_width;
611 bool const heightChange = workarea().workHeight() != work_area_height;
613 // Update from work area
614 work_area_width = workarea().workWidth();
615 work_area_height = workarea().workHeight();
617 if (buffer_ && widthChange) {
618 // The visible LyXView need a resize
619 resizeCurrentBuffer();
622 if (widthChange || heightChange)
625 // Always make sure that the scrollbar is sane.
627 owner_->updateLayoutChoice();
631 bool BufferView::Pimpl::fitCursor()
633 if (bv_funcs::status(bv_, cursor_) == bv_funcs::CUR_INSIDE) {
634 LyXFont const font = cursor_.getFont();
635 int const asc = font_metrics::maxAscent(font);
636 int const des = font_metrics::maxDescent(font);
637 Point const p = bv_funcs::getPos(cursor_, cursor_.boundary());
638 if (p.y_ - asc >= 0 && p.y_ + des < workarea().workHeight())
646 void BufferView::Pimpl::update(Update::flags flags)
649 << BOOST_CURRENT_FUNCTION
650 << "[fitcursor = " << (flags & Update::FitCursor)
651 << ", forceupdate = " << (flags & Update::Force)
652 << ", singlepar = " << (flags & Update::SinglePar)
653 << "] buffer: " << buffer_ << endl;
655 // Check needed to survive LyX startup
657 // Update macro store
658 buffer_->buildMacros();
661 std::swap(theCoords, backup);
663 // This, together with doneUpdating(), verifies (using
664 // asserts) that screen redraw is not called from
666 theCoords.startUpdating();
668 // First drawing step
669 ViewMetricsInfo vi = metrics();
670 bool forceupdate(flags & Update::Force);
672 if ((flags & Update::FitCursor) && fitCursor()) {
674 vi = metrics(flags & Update::SinglePar);
677 // Second drawing step
678 screen().redraw(*bv_, vi);
680 // Abort updating of the coord
681 // cache - just restore the old one
682 std::swap(theCoords, backup);
689 owner_->view_state_changed();
693 // Callback for cursor timer
694 void BufferView::Pimpl::cursorToggle()
697 screen().toggleCursor(*bv_);
699 // Use this opportunity to deal with any child processes that
700 // have finished but are waiting to communicate this fact
701 // to the rest of LyX.
702 ForkedcallsController & fcc = ForkedcallsController::get();
703 fcc.handleCompletedProcesses();
706 cursor_timeout.restart();
710 bool BufferView::Pimpl::available() const
712 return buffer_ && bv_->text();
716 Change const BufferView::Pimpl::getCurrentChange()
718 if (!buffer_->params().tracking_changes)
719 return Change(Change::UNCHANGED);
721 LyXText * text = bv_->getLyXText();
722 LCursor & cur = cursor_;
724 if (!cur.selection())
725 return Change(Change::UNCHANGED);
727 return text->getPar(cur.selBegin().pit()).
728 lookupChangeFull(cur.selBegin().pos());
732 void BufferView::Pimpl::savePosition(unsigned int i)
734 if (i >= saved_positions_num)
736 BOOST_ASSERT(cursor_.inTexted());
737 saved_positions[i] = Position(buffer_->fileName(),
738 cursor_.paragraph().id(),
741 owner_->message(bformat(_("Saved bookmark %1$d"), i));
745 void BufferView::Pimpl::restorePosition(unsigned int i)
747 if (i >= saved_positions_num)
750 string const fname = saved_positions[i].filename;
752 cursor_.clearSelection();
754 if (fname != buffer_->fileName()) {
756 if (bufferlist.exists(fname))
757 b = bufferlist.getBuffer(fname);
759 b = bufferlist.newBuffer(fname);
760 // Don't ask, just load it
761 ::loadLyXFile(b, fname);
767 ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
768 if (par == buffer_->par_iterator_end())
771 bv_->setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
774 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
778 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
780 return i < saved_positions_num && !saved_positions[i].filename.empty();
784 void BufferView::Pimpl::switchKeyMap()
786 if (!lyxrc.rtl_support)
789 Intl & intl = owner_->getIntl();
790 if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
791 if (intl.keymap == Intl::PRIMARY)
794 if (intl.keymap == Intl::SECONDARY)
800 void BufferView::Pimpl::center()
802 CursorSlice & bot = cursor_.bottom();
803 lyx::pit_type const pit = bot.pit();
804 bot.text()->redoParagraph(pit);
805 Paragraph const & par = bot.text()->paragraphs()[pit];
807 offset_ref_ = bv_funcs::coordOffset(cursor_, cursor_.boundary()).y_
808 + par.ascent() - workarea().workHeight() / 2;
812 void BufferView::Pimpl::stuffClipboard(string const & content) const
814 workarea().putClipboard(content);
818 void BufferView::Pimpl::MenuInsertLyXFile(string const & filenm)
820 string filename = filenm;
822 if (filename.empty()) {
823 // Launch a file browser
824 string initpath = lyxrc.document_path;
827 string const trypath = owner_->buffer()->filePath();
828 // If directory is writeable, use this as default.
829 if (IsDirWriteable(trypath))
833 FileDialog fileDlg(_("Select LyX document to insert"),
835 make_pair(string(_("Documents|#o#O")),
836 string(lyxrc.document_path)),
837 make_pair(string(_("Examples|#E#e")),
838 string(AddPath(package().system_support(), "examples"))));
840 FileDialog::Result result =
841 fileDlg.open(initpath,
842 FileFilterList(_("LyX Documents (*.lyx)")),
845 if (result.first == FileDialog::Later)
848 filename = result.second;
850 // check selected filename
851 if (filename.empty()) {
852 owner_->message(_("Canceled."));
857 // Get absolute path of file and add ".lyx"
858 // to the filename if necessary
859 filename = FileSearch(string(), filename, "lyx");
861 string const disp_fn = MakeDisplayPath(filename);
862 owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
864 cursor_.clearSelection();
865 bv_->getLyXText()->breakParagraph(cursor_);
867 BOOST_ASSERT(cursor_.inTexted());
869 string const fname = MakeAbsPath(filename);
870 bool const res = buffer_->readFile(fname, cursor_.pit());
871 resizeCurrentBuffer();
873 string s = res ? _("Document %1$s inserted.")
874 : _("Could not insert document %1$s");
875 owner_->message(bformat(s, disp_fn));
879 void BufferView::Pimpl::trackChanges()
881 bool const tracking = buffer_->params().tracking_changes;
884 for_each(buffer_->par_iterator_begin(),
885 buffer_->par_iterator_end(),
886 bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
887 buffer_->params().tracking_changes = true;
889 // We cannot allow undos beyond the freeze point
890 buffer_->undostack().clear();
892 cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
893 bool const found = lyx::find::findNextChange(bv_);
895 // We reset the cursor to the start of the
896 // document, since the Changes Dialog is going
897 // to search for the next change anyway.
898 cursor_.setCursor(doc_iterator_begin(buffer_->inset()));
899 owner_->getDialogs().show("changes");
903 for_each(buffer_->par_iterator_begin(),
904 buffer_->par_iterator_end(),
905 mem_fun_ref(&Paragraph::untrackChanges));
907 buffer_->params().tracking_changes = false;
910 buffer_->redostack().clear();
914 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
916 //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
918 // This is only called for mouse related events including
919 // LFUN_FILE_OPEN generated by drag-and-drop.
920 FuncRequest cmd = cmd0;
923 if (cmd.action == LFUN_FILE_OPEN) {
924 owner_->dispatch(cmd);
932 cur.push(buffer_->inset());
933 cur.selection() = cursor_.selection();
935 // Doesn't go through lyxfunc, so we need to update
936 // the layout choice etc. ourselves
938 // E.g. Qt mouse press when no buffer
942 screen().hideCursor();
944 // Either the inset under the cursor or the
945 // surrounding LyXText will handle this event.
947 // Build temporary cursor.
948 cmd.y = min(max(cmd.y,-1), workarea().workHeight());
949 InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
950 //lyxerr << BOOST_CURRENT_FUNCTION
951 // << " * hit inset at tip: " << inset << endl;
952 //lyxerr << BOOST_CURRENT_FUNCTION
953 // << " * created temp cursor:" << cur << endl;
955 // Put anchor at the same position.
958 // Try to dispatch to an non-editable inset near this position
959 // via the temp cursor. If the inset wishes to change the real
960 // cursor it has to do so explicitly by using
961 // cur.bv().cursor() = cur; (or similar)
963 inset->dispatch(cur, cmd);
965 // Now dispatch to the temporary cursor. If the real cursor should
966 // be modified, the inset's dispatch has to do so explicitly.
967 if (!cur.result().dispatched())
970 if (cur.result().dispatched()) {
971 // Redraw if requested or necessary.
972 if (cur.result().update())
973 update(Update::FitCursor | Update::Force);
978 // See workAreaKeyPress
979 cursor_timeout.restart();
980 screen().showCursor(*bv_);
982 // Skip these when selecting
983 if (cmd.action != LFUN_MOUSE_MOTION) {
984 owner_->updateLayoutChoice();
985 owner_->updateToolbars();
988 // Slight hack: this is only called currently when we
989 // clicked somewhere, so we force through the display
990 // of the new status here.
991 owner_->clearMessage();
996 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
1000 switch (cmd.action) {
1003 flag.enabled(!buffer_->undostack().empty());
1006 flag.enabled(!buffer_->redostack().empty());
1008 case LFUN_FILE_INSERT:
1009 case LFUN_FILE_INSERT_ASCII_PARA:
1010 case LFUN_FILE_INSERT_ASCII:
1011 case LFUN_FONT_STATE:
1012 case LFUN_INSERT_LABEL:
1013 case LFUN_BOOKMARK_SAVE:
1014 case LFUN_GOTO_PARAGRAPH:
1015 case LFUN_GOTOERROR:
1017 case LFUN_REFERENCE_GOTO:
1018 case LFUN_WORD_FIND:
1019 case LFUN_WORD_REPLACE:
1024 case LFUN_BIBDB_ADD:
1025 case LFUN_BIBDB_DEL:
1026 case LFUN_WORDS_COUNT:
1030 case LFUN_LABEL_GOTO: {
1031 flag.enabled(!cmd.argument.empty()
1032 || getInsetByCode<InsetRef>(cursor_, InsetBase::REF_CODE));
1036 case LFUN_BOOKMARK_GOTO:
1037 flag.enabled(isSavedPosition(convert<unsigned int>(cmd.argument)));
1039 case LFUN_TRACK_CHANGES:
1041 flag.setOnOff(buffer_->params().tracking_changes);
1044 case LFUN_OUTPUT_CHANGES: {
1045 LaTeXFeatures features(*buffer_, buffer_->params(), false);
1046 flag.enabled(buffer_ && buffer_->params().tracking_changes
1047 && features.isAvailable("dvipost"));
1048 flag.setOnOff(buffer_->params().output_changes);
1052 case LFUN_MERGE_CHANGES:
1053 case LFUN_ACCEPT_CHANGE: // what about these two
1054 case LFUN_REJECT_CHANGE: // what about these two
1055 case LFUN_ACCEPT_ALL_CHANGES:
1056 case LFUN_REJECT_ALL_CHANGES:
1057 flag.enabled(buffer_ && buffer_->params().tracking_changes);
1060 flag.enabled(false);
1068 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1070 //lyxerr << BOOST_CURRENT_FUNCTION
1071 // << [ cmd = " << cmd << "]" << endl;
1073 // Make sure that the cached BufferView is correct.
1074 lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
1075 << " action[" << cmd.action << ']'
1076 << " arg[" << cmd.argument << ']'
1077 << " x[" << cmd.x << ']'
1078 << " y[" << cmd.y << ']'
1079 << " button[" << cmd.button() << ']'
1082 LCursor & cur = cursor_;
1084 switch (cmd.action) {
1088 cur.message(_("Undo"));
1089 cur.clearSelection();
1090 if (!textUndo(*bv_))
1091 cur.message(_("No further undo information"));
1099 cur.message(_("Redo"));
1100 cur.clearSelection();
1101 if (!textRedo(*bv_))
1102 cur.message(_("No further redo information"));
1108 case LFUN_FILE_INSERT:
1109 MenuInsertLyXFile(cmd.argument);
1112 case LFUN_FILE_INSERT_ASCII_PARA:
1113 InsertAsciiFile(bv_, cmd.argument, true);
1116 case LFUN_FILE_INSERT_ASCII:
1117 InsertAsciiFile(bv_, cmd.argument, false);
1120 case LFUN_FONT_STATE:
1121 cur.message(cur.currentState());
1124 case LFUN_BOOKMARK_SAVE:
1125 savePosition(convert<unsigned int>(cmd.argument));
1128 case LFUN_BOOKMARK_GOTO:
1129 restorePosition(convert<unsigned int>(cmd.argument));
1132 case LFUN_LABEL_GOTO: {
1133 string label = cmd.argument;
1134 if (label.empty()) {
1136 getInsetByCode<InsetRef>(cursor_,
1137 InsetBase::REF_CODE);
1139 label = inset->getContents();
1145 bv_->gotoLabel(label);
1149 case LFUN_GOTO_PARAGRAPH: {
1150 int const id = convert<int>(cmd.argument);
1151 ParIterator par = buffer_->getParFromID(id);
1152 if (par == buffer_->par_iterator_end()) {
1153 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1154 << id << ']' << endl;
1157 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1158 << " found." << endl;
1162 bv_->setCursor(makeDocIterator(par, 0));
1169 case LFUN_GOTOERROR:
1170 bv_funcs::gotoInset(bv_, InsetBase::ERROR_CODE, false);
1174 bv_funcs::gotoInset(bv_, InsetBase::NOTE_CODE, false);
1177 case LFUN_REFERENCE_GOTO: {
1178 vector<InsetBase_code> tmp;
1179 tmp.push_back(InsetBase::LABEL_CODE);
1180 tmp.push_back(InsetBase::REF_CODE);
1181 bv_funcs::gotoInset(bv_, tmp, true);
1185 case LFUN_TRACK_CHANGES:
1189 case LFUN_OUTPUT_CHANGES: {
1190 bool const state = buffer_->params().output_changes;
1191 buffer_->params().output_changes = !state;
1195 case LFUN_MERGE_CHANGES:
1196 owner_->getDialogs().show("changes");
1199 case LFUN_ACCEPT_ALL_CHANGES: {
1200 cursor_.reset(buffer_->inset());
1201 #ifdef WITH_WARNINGS
1202 #warning FIXME changes
1204 while (lyx::find::findNextChange(bv_))
1205 bv_->getLyXText()->acceptChange(cursor_);
1210 case LFUN_REJECT_ALL_CHANGES: {
1211 cursor_.reset(buffer_->inset());
1212 #ifdef WITH_WARNINGS
1213 #warning FIXME changes
1215 while (lyx::find::findNextChange(bv_))
1216 bv_->getLyXText()->rejectChange(cursor_);
1220 case LFUN_WORD_FIND:
1221 lyx::find::find(bv_, cmd);
1224 case LFUN_WORD_REPLACE:
1225 lyx::find::replace(bv_, cmd);
1229 cur.clearSelection();
1231 cur.message(N_("Mark off"));
1235 cur.clearSelection();
1238 cur.message(N_("Mark on"));
1242 cur.clearSelection();
1245 cur.message(N_("Mark removed"));
1248 cur.message(N_("Mark set"));
1257 case LFUN_BIBDB_ADD: {
1258 LCursor tmpcur = cursor_;
1259 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1260 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1261 InsetBase::BIBTEX_CODE);
1263 inset->addDatabase(cmd.argument);
1267 case LFUN_BIBDB_DEL: {
1268 LCursor tmpcur = cursor_;
1269 bv_funcs::findInset(tmpcur, InsetBase::BIBTEX_CODE, false);
1270 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1271 InsetBase::BIBTEX_CODE);
1273 inset->delDatabase(cmd.argument);
1277 case LFUN_WORDS_COUNT: {
1278 DocIterator from, to;
1279 if (cur.selection()) {
1280 from = cur.selectionBegin();
1281 to = cur.selectionEnd();
1283 from = doc_iterator_begin(buffer_->inset());
1284 to = doc_iterator_end(buffer_->inset());
1286 int const count = countWords(from, to);
1289 if (cur.selection())
1290 message = bformat(_("%1$d words in selection."),
1293 message = bformat(_("%1$d words in document."),
1297 if (cur.selection())
1298 message = _("One word in selection.");
1300 message = _("One word in document.");
1303 Alert::information(_("Count words"), message);
1314 ViewMetricsInfo BufferView::Pimpl::metrics(bool singlepar)
1316 // Remove old position cache
1318 BufferView & bv = *bv_;
1319 LyXText * const text = bv.text();
1320 if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1321 anchor_ref_ = int(text->paragraphs().size() - 1);
1325 lyx::pit_type const pit = anchor_ref_;
1328 size_t const npit = text->paragraphs().size();
1330 lyxerr[Debug::DEBUG]
1331 << BOOST_CURRENT_FUNCTION
1332 << " npit: " << npit
1333 << " pit1: " << pit1
1334 << " pit2: " << pit2
1337 // Rebreak anchor par
1338 text->redoParagraph(pit);
1339 int y0 = text->getPar(pit1).ascent() - offset_ref_;
1341 // Redo paragraphs above cursor if necessary
1343 while (!singlepar && y1 > 0 && pit1 > 0) {
1344 y1 -= text->getPar(pit1).ascent();
1346 text->redoParagraph(pit1);
1347 y1 -= text->getPar(pit1).descent();
1351 // Take care of ascent of first line
1352 y1 -= text->getPar(pit1).ascent();
1354 // Normalize anchor for next time
1358 // Grey at the beginning is ugly
1359 if (pit1 == 0 && y1 > 0) {
1365 // Redo paragraphs below cursor if necessary
1367 while (!singlepar && y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1368 y2 += text->getPar(pit2).descent();
1370 text->redoParagraph(pit2);
1371 y2 += text->getPar(pit2).ascent();
1374 // Take care of descent of last line
1375 y2 += text->getPar(pit2).descent();
1377 // The coordinates of all these paragraphs are correct, cache them
1379 for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1380 y += text->getPar(pit).ascent();
1381 theCoords.parPos()[text][pit] = Point(0, y);
1382 y += text->getPar(pit).descent();
1385 lyxerr[Debug::DEBUG]
1386 << BOOST_CURRENT_FUNCTION
1391 return ViewMetricsInfo(pit1, pit2, y1, y2, singlepar);