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/insetref.h"
55 #include "insets/insettext.h"
57 #include "frontends/Alert.h"
58 #include "frontends/Dialogs.h"
59 #include "frontends/FileDialog.h"
60 #include "frontends/font_metrics.h"
61 #include "frontends/LyXView.h"
62 #include "frontends/LyXScreenFactory.h"
63 #include "frontends/screen.h"
64 #include "frontends/WorkArea.h"
65 #include "frontends/WorkAreaFactory.h"
67 #include "graphics/Previews.h"
69 #include "support/convert.h"
70 #include "support/filefilterlist.h"
71 #include "support/filetools.h"
72 #include "support/forkedcontr.h"
73 #include "support/package.h"
74 #include "support/types.h"
76 #include <boost/bind.hpp>
77 #include <boost/current_function.hpp>
84 using lyx::support::AddPath;
85 using lyx::support::bformat;
86 using lyx::support::FileFilterList;
87 using lyx::support::FileSearch;
88 using lyx::support::ForkedcallsController;
89 using lyx::support::IsDirWriteable;
90 using lyx::support::MakeDisplayPath;
91 using lyx::support::MakeAbsPath;
92 using lyx::support::package;
95 using std::istringstream;
100 using std::mem_fun_ref;
104 extern BufferList bufferlist;
109 unsigned int const saved_positions_num = 20;
111 // All the below connection objects are needed because of a bug in some
112 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
113 // to these connections we avoid a segfault upon startup, and also at exit.
116 boost::signals::connection dispatchcon;
117 boost::signals::connection timecon;
118 boost::signals::connection doccon;
119 boost::signals::connection resizecon;
120 boost::signals::connection kpresscon;
121 boost::signals::connection selectioncon;
122 boost::signals::connection lostcon;
125 /// Get next inset of this class from current cursor position
127 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
130 DocIterator it = cur;
131 if (it.nextInset() &&
132 it.nextInset()->lyxCode() == code) {
133 inset = static_cast<T*>(it.nextInset());
141 BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner,
142 int width, int height)
143 : bv_(&bv), owner_(owner), buffer_(0), cursor_timeout(400),
144 using_xterm_cursor(false), cursor_(bv) ,
145 anchor_ref_(0), offset_ref_(0)
147 xsel_cache_.set = false;
149 workarea_.reset(WorkAreaFactory::create(*owner_, width, height));
150 screen_.reset(LyXScreenFactory::create(workarea()));
153 doccon = workarea().scrollDocView
154 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
155 resizecon = workarea().workAreaResize
156 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
157 dispatchcon = workarea().dispatch
158 .connect(boost::bind(&BufferView::Pimpl::workAreaDispatch, this, _1));
159 kpresscon = workarea().workAreaKeyPress
160 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
161 selectioncon = workarea().selectionRequested
162 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
163 lostcon = workarea().selectionLost
164 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
166 timecon = cursor_timeout.timeout
167 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
168 cursor_timeout.start();
169 saved_positions.resize(saved_positions_num);
173 void BufferView::Pimpl::addError(ErrorItem const & ei)
175 errorlist_.push_back(ei);
179 void BufferView::Pimpl::showReadonly(bool)
181 owner_->updateWindowTitle();
182 owner_->getDialogs().updateBufferDependent(false);
186 void BufferView::Pimpl::connectBuffer(Buffer & buf)
188 if (errorConnection_.connected())
193 boost::bind(&BufferView::Pimpl::addError, this, _1));
197 boost::bind(&LyXView::message, owner_, _1));
201 boost::bind(&LyXView::busy, owner_, _1));
204 buf.updateTitles.connect(
205 boost::bind(&LyXView::updateWindowTitle, owner_));
208 buf.resetAutosaveTimers.connect(
209 boost::bind(&LyXView::resetAutosaveTimer, owner_));
211 readonlyConnection_ =
212 buf.readonly.connect(
213 boost::bind(&BufferView::Pimpl::showReadonly, this, _1));
217 boost::bind(&BufferView::Pimpl::setBuffer, this, (Buffer *)0));
221 void BufferView::Pimpl::disconnectBuffer()
223 errorConnection_.disconnect();
224 messageConnection_.disconnect();
225 busyConnection_.disconnect();
226 titleConnection_.disconnect();
227 timerConnection_.disconnect();
228 readonlyConnection_.disconnect();
229 closingConnection_.disconnect();
233 void BufferView::Pimpl::newFile(string const & filename, string const & tname,
236 setBuffer(::newFile(filename, tname, isNamed));
240 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
242 // Get absolute path of file and add ".lyx"
243 // to the filename if necessary
244 string s = FileSearch(string(), filename, "lyx");
246 bool const found = !s.empty();
251 // File already open?
252 if (bufferlist.exists(s)) {
253 string const file = MakeDisplayPath(s, 20);
254 string text = bformat(_("The document %1$s is already "
255 "loaded.\n\nDo you want to revert "
256 "to the saved version?"), file);
257 int const ret = Alert::prompt(_("Revert to saved document?"),
258 text, 0, 1, _("&Revert"), _("&Switch to document"));
261 setBuffer(bufferlist.getBuffer(s));
264 // FIXME: should be LFUN_REVERT
265 if (!bufferlist.close(bufferlist.getBuffer(s), false))
267 // Fall through to new load. (Asger)
273 b = bufferlist.newBuffer(s);
275 if (!::loadLyXFile(b, s)) {
276 bufferlist.release(b);
280 string text = bformat(_("The document %1$s does not yet "
281 "exist.\n\nDo you want to create "
282 "a new document?"), s);
283 int const ret = Alert::prompt(_("Create new document?"),
284 text, 0, 1, _("&Create"), _("Cancel"));
287 b = ::newFile(s, string(), true);
293 bv_->showErrorList(_("Parse"));
296 LyX::ref().lastfiles().newFile(b->fileName());
302 WorkArea & BufferView::Pimpl::workarea() const
304 return *workarea_.get();
308 LyXScreen & BufferView::Pimpl::screen() const
310 return *screen_.get();
314 Painter & BufferView::Pimpl::painter() const
316 return workarea().getPainter();
320 void BufferView::Pimpl::setBuffer(Buffer * b)
322 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
323 << "[ b = " << b << "]" << endl;
328 // If we are closing current buffer, switch to the first in
331 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
332 << " No Buffer!" << endl;
333 // We are closing the buffer, use the first buffer as current
334 buffer_ = bufferlist.first();
335 owner_->getDialogs().hideBufferDependent();
337 // Set current buffer
342 cursor_ = LCursor(*bv_);
347 // If we're quitting lyx, don't bother updating stuff
352 lyxerr[Debug::INFO] << BOOST_CURRENT_FUNCTION
353 << "Buffer addr: " << buffer_ << endl;
354 connectBuffer(*buffer_);
356 cursor_.push(buffer_->inset());
357 cursor_.resetAnchor();
358 buffer_->text().init(bv_);
359 buffer_->text().setCurrentFont(cursor_);
361 // Buffer-dependent dialogs should be updated or
362 // hidden. This should go here because some dialogs (eg ToC)
363 // require bv_->text.
364 owner_->getDialogs().updateBufferDependent(true);
369 owner_->updateMenubar();
370 owner_->updateToolbars();
371 owner_->updateLayoutChoice();
372 owner_->updateWindowTitle();
374 // This is done after the layout combox has been populated
376 owner_->setLayout(cursor_.paragraph().layout()->name());
378 if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
379 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
383 void BufferView::Pimpl::resizeCurrentBuffer()
385 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION << endl;
387 owner_->message(_("Formatting document..."));
389 LyXText * text = bv_->text();
399 // Reset the "Formatting..." message
400 owner_->clearMessage();
406 void BufferView::Pimpl::updateScrollbar()
409 lyxerr[Debug::DEBUG] << BOOST_CURRENT_FUNCTION
410 << " no text in updateScrollbar" << endl;
411 workarea().setScrollbarParams(0, 0, 0);
415 LyXText & t = *bv_->text();
416 if (anchor_ref_ > int(t.paragraphs().size()) - 1) {
417 anchor_ref_ = int(t.paragraphs().size()) - 1;
422 << BOOST_CURRENT_FUNCTION
423 << " Updating scrollbar: height: " << t.paragraphs().size()
424 << " curr par: " << cursor_.bottom().pit()
425 << " default height " << defaultRowHeight() << endl;
427 // It would be better to fix the scrollbar to understand
428 // values in [0..1] and divide everything by wh
429 int const wh = workarea().workHeight() / 4;
430 int const h = t.getPar(anchor_ref_).height();
431 workarea().setScrollbarParams(t.paragraphs().size() * wh, anchor_ref_ * wh + int(offset_ref_ * wh / float(h)), int (wh * defaultRowHeight() / float(h)));
432 // workarea().setScrollbarParams(t.paragraphs().size(), anchor_ref_, 1);
436 void BufferView::Pimpl::scrollDocView(int value)
438 lyxerr[Debug::GUI] << BOOST_CURRENT_FUNCTION
439 << "[ value = " << value << "]" << endl;
444 screen().hideCursor();
446 int const wh = workarea().workHeight() / 4;
448 LyXText & t = *bv_->text();
450 float const bar = value / float(wh * t.paragraphs().size());
452 anchor_ref_ = int(bar * t.paragraphs().size());
453 t.redoParagraph(anchor_ref_);
454 int const h = t.getPar(anchor_ref_).height();
455 offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
458 if (!lyxrc.cursor_follows_scrollbar)
461 int const height = 2 * defaultRowHeight();
462 int const first = height;
463 int const last = workarea().workHeight() - height;
464 LCursor & cur = cursor_;
466 bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
469 case bv_funcs::CUR_ABOVE:
470 t.setCursorFromCoordinates(cur, 0, first);
471 cur.clearSelection();
473 case bv_funcs::CUR_BELOW:
474 t.setCursorFromCoordinates(cur, 0, last);
475 cur.clearSelection();
477 case bv_funcs::CUR_INSIDE:
478 int const y = bv_funcs::getPos(cur).y_;
479 int const newy = min(last, max(y, first));
481 cur.reset(buffer_->inset());
482 t.setCursorFromCoordinates(cur, 0, newy);
485 owner_->updateLayoutChoice();
489 void BufferView::Pimpl::scroll(int /*lines*/)
494 // LyXText const * t = bv_->text();
495 // int const line_height = defaultRowHeight();
497 // // The new absolute coordinate
498 // int new_top_y = top_y() + lines * line_height;
500 // // Restrict to a valid value
501 // new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
502 // new_top_y = std::max(0, new_top_y);
504 // scrollDocView(new_top_y);
506 // // Update the scrollbar.
507 // workarea().setScrollbarParams(t->height(), top_y(), defaultRowHeight());
511 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
512 key_modifier::state state)
514 owner_->getLyXFunc().processKeySym(key, state);
516 /* This is perhaps a bit of a hack. When we move
517 * around, or type, it's nice to be able to see
518 * the cursor immediately after the keypress. So
519 * we reset the toggle timeout and force the visibility
520 * of the cursor. Note we cannot do this inside
521 * dispatch() itself, because that's called recursively.
524 cursor_timeout.restart();
525 screen().showCursor(*bv_);
530 void BufferView::Pimpl::selectionRequested()
537 LCursor & cur = cursor_;
539 if (!cur.selection()) {
540 xsel_cache_.set = false;
544 if (!xsel_cache_.set ||
545 cur.top() != xsel_cache_.cursor ||
546 cur.anchor_.top() != xsel_cache_.anchor)
548 xsel_cache_.cursor = cur.top();
549 xsel_cache_.anchor = cur.anchor_.top();
550 xsel_cache_.set = cur.selection();
551 sel = cur.selectionAsString(false);
553 workarea().putClipboard(sel);
558 void BufferView::Pimpl::selectionLost()
561 screen().hideCursor();
562 cursor_.clearSelection();
563 xsel_cache_.set = false;
568 void BufferView::Pimpl::workAreaResize()
570 static int work_area_width;
571 static int work_area_height;
573 bool const widthChange = workarea().workWidth() != work_area_width;
574 bool const heightChange = workarea().workHeight() != work_area_height;
576 // Update from work area
577 work_area_width = workarea().workWidth();
578 work_area_height = workarea().workHeight();
580 if (buffer_ && widthChange) {
581 // The visible LyXView need a resize
582 resizeCurrentBuffer();
585 if (widthChange || heightChange)
588 // Always make sure that the scrollbar is sane.
590 owner_->updateLayoutChoice();
594 bool BufferView::Pimpl::fitCursor()
596 if (bv_funcs::status(bv_, cursor_) == bv_funcs::CUR_INSIDE) {
597 LyXFont const font = cursor_.getFont();
598 int const asc = font_metrics::maxAscent(font);
599 int const des = font_metrics::maxDescent(font);
600 Point p = bv_funcs::getPos(cursor_);
601 if (p.y_ - asc >= 0 && p.y_ + des < workarea().workHeight())
609 void BufferView::Pimpl::update(bool fitcursor, bool forceupdate)
611 lyxerr << BOOST_CURRENT_FUNCTION
612 << "[fitcursor = " << fitcursor << ','
613 << " forceupdate = " << forceupdate
614 << "] buffer: " << buffer_ << endl;
616 // Check needed to survive LyX startup
618 // Update macro store
619 buffer_->buildMacros();
620 // First drawing step
623 std::swap(theCoords, backup);
624 theCoords.startUpdating();
626 ViewMetricsInfo vi = metrics();
628 if (fitcursor && fitCursor()) {
633 // Second drawing step
634 screen().redraw(*bv_, vi);
636 // Abort updating of the coord cache - just restore the old one
637 std::swap(theCoords, backup);
644 owner_->view_state_changed();
648 // Callback for cursor timer
649 void BufferView::Pimpl::cursorToggle()
652 screen().toggleCursor(*bv_);
654 // Use this opportunity to deal with any child processes that
655 // have finished but are waiting to communicate this fact
656 // to the rest of LyX.
657 ForkedcallsController & fcc = ForkedcallsController::get();
658 fcc.handleCompletedProcesses();
661 cursor_timeout.restart();
665 bool BufferView::Pimpl::available() const
667 return buffer_ && bv_->text();
671 Change const BufferView::Pimpl::getCurrentChange()
673 if (!buffer_->params().tracking_changes)
674 return Change(Change::UNCHANGED);
676 LyXText * text = bv_->getLyXText();
677 LCursor & cur = cursor_;
679 if (!cur.selection())
680 return Change(Change::UNCHANGED);
682 return text->getPar(cur.selBegin().pit()).
683 lookupChangeFull(cur.selBegin().pos());
687 void BufferView::Pimpl::savePosition(unsigned int i)
689 if (i >= saved_positions_num)
691 BOOST_ASSERT(cursor_.inTexted());
692 saved_positions[i] = Position(buffer_->fileName(),
693 cursor_.paragraph().id(),
696 owner_->message(bformat(_("Saved bookmark %1$d"), i));
700 void BufferView::Pimpl::restorePosition(unsigned int i)
702 if (i >= saved_positions_num)
705 string const fname = saved_positions[i].filename;
707 cursor_.clearSelection();
709 if (fname != buffer_->fileName()) {
711 if (bufferlist.exists(fname))
712 b = bufferlist.getBuffer(fname);
714 b = bufferlist.newBuffer(fname);
715 // Don't ask, just load it
716 ::loadLyXFile(b, fname);
722 ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
723 if (par == buffer_->par_iterator_end())
726 bv_->setCursor(makeDocIterator(par, min(par->size(), saved_positions[i].par_pos)));
729 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
733 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
735 return i < saved_positions_num && !saved_positions[i].filename.empty();
739 void BufferView::Pimpl::switchKeyMap()
741 if (!lyxrc.rtl_support)
744 Intl & intl = owner_->getIntl();
745 if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
746 if (intl.keymap == Intl::PRIMARY)
749 if (intl.keymap == Intl::SECONDARY)
755 void BufferView::Pimpl::center()
757 CursorSlice & bot = cursor_.bottom();
758 lyx::pit_type const pit = bot.pit();
759 bot.text()->redoParagraph(pit);
760 Paragraph const & par = bot.text()->paragraphs()[pit];
762 offset_ref_ = bv_funcs::coordOffset(cursor_).y_ + par.ascent()
763 - workarea().workHeight() / 2;
767 void BufferView::Pimpl::stuffClipboard(string const & content) const
769 workarea().putClipboard(content);
773 void BufferView::Pimpl::MenuInsertLyXFile(string const & filenm)
775 string filename = filenm;
777 if (filename.empty()) {
778 // Launch a file browser
779 string initpath = lyxrc.document_path;
782 string const trypath = owner_->buffer()->filePath();
783 // If directory is writeable, use this as default.
784 if (IsDirWriteable(trypath))
788 FileDialog fileDlg(_("Select LyX document to insert"),
790 make_pair(string(_("Documents|#o#O")),
791 string(lyxrc.document_path)),
792 make_pair(string(_("Examples|#E#e")),
793 string(AddPath(package().system_support(), "examples"))));
795 FileDialog::Result result =
796 fileDlg.open(initpath,
797 FileFilterList(_("LyX Documents (*.lyx)")),
800 if (result.first == FileDialog::Later)
803 filename = result.second;
805 // check selected filename
806 if (filename.empty()) {
807 owner_->message(_("Canceled."));
812 // Get absolute path of file and add ".lyx"
813 // to the filename if necessary
814 filename = FileSearch(string(), filename, "lyx");
816 string const disp_fn = MakeDisplayPath(filename);
817 owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
819 cursor_.clearSelection();
820 bv_->getLyXText()->breakParagraph(cursor_);
822 BOOST_ASSERT(cursor_.inTexted());
824 string const fname = MakeAbsPath(filename);
825 bool const res = buffer_->readFile(fname, cursor_.pit());
826 resizeCurrentBuffer();
828 string s = res ? _("Document %1$s inserted.")
829 : _("Could not insert document %1$s");
830 owner_->message(bformat(s, disp_fn));
834 void BufferView::Pimpl::trackChanges()
836 bool const tracking = buffer_->params().tracking_changes;
839 for_each(buffer_->par_iterator_begin(),
840 buffer_->par_iterator_end(),
841 bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
842 buffer_->params().tracking_changes = true;
844 // We cannot allow undos beyond the freeze point
845 buffer_->undostack().clear();
848 bv_->text()->setCursor(cursor_, 0, 0);
850 #warning changes FIXME
852 bool const found = lyx::find::findNextChange(bv_);
854 owner_->getDialogs().show("changes");
858 for_each(buffer_->par_iterator_begin(),
859 buffer_->par_iterator_end(),
860 mem_fun_ref(&Paragraph::untrackChanges));
862 buffer_->params().tracking_changes = false;
865 buffer_->redostack().clear();
869 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
871 lyxerr << BOOST_CURRENT_FUNCTION
872 << "[ cmd0 " << cmd0 << "]" << endl;
874 // This is only called for mouse related events including
875 // LFUN_FILE_OPEN generated by drag-and-drop.
876 FuncRequest cmd = cmd0;
879 if (cmd.action == LFUN_FILE_OPEN) {
880 owner_->dispatch(cmd);
888 cur.push(buffer_->inset());
889 cur.selection() = cursor_.selection();
891 // Doesn't go through lyxfunc, so we need to update
892 // the layout choice etc. ourselves
894 // E.g. Qt mouse press when no buffer
898 screen().hideCursor();
900 // Either the inset under the cursor or the
901 // surrounding LyXText will handle this event.
903 // Build temporary cursor.
904 cmd.y = min(max(cmd.y,-1), workarea().workHeight());
905 InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
906 lyxerr << BOOST_CURRENT_FUNCTION
907 << " * hit inset at tip: " << inset << endl;
908 lyxerr << BOOST_CURRENT_FUNCTION
909 << " * created temp cursor:" << cur << endl;
911 // Put anchor at the same position.
914 // Try to dispatch to an non-editable inset near this position
915 // via the temp cursor. If the inset wishes to change the real
916 // cursor it has to do so explicitly by using
917 // cur.bv().cursor() = cur; (or similar)
919 inset->dispatch(cur, cmd);
921 // Now dispatch to the temporary cursor. If the real cursor should
922 // be modified, the inset's dispatch has to do so explicitly.
923 if (!cur.result().dispatched())
926 if (cur.result().dispatched()) {
927 // Redraw if requested or necessary.
928 update(cur.result().update(), cur.result().update());
931 // See workAreaKeyPress
932 cursor_timeout.restart();
933 screen().showCursor(*bv_);
935 // Skip these when selecting
936 if (cmd.action != LFUN_MOUSE_MOTION) {
937 owner_->updateLayoutChoice();
938 owner_->updateToolbars();
941 // Slight hack: this is only called currently when we
942 // clicked somewhere, so we force through the display
943 // of the new status here.
944 owner_->clearMessage();
949 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
953 switch (cmd.action) {
956 flag.enabled(!buffer_->undostack().empty());
959 flag.enabled(!buffer_->redostack().empty());
961 case LFUN_FILE_INSERT:
962 case LFUN_FILE_INSERT_ASCII_PARA:
963 case LFUN_FILE_INSERT_ASCII:
964 case LFUN_FONT_STATE:
965 case LFUN_INSERT_LABEL:
966 case LFUN_BOOKMARK_SAVE:
968 case LFUN_GOTO_PARAGRAPH:
971 case LFUN_REFERENCE_GOTO:
973 case LFUN_WORD_REPLACE:
978 case LFUN_WORDS_COUNT:
982 case LFUN_BOOKMARK_GOTO:
983 flag.enabled(isSavedPosition(convert<unsigned int>(cmd.argument)));
985 case LFUN_TRACK_CHANGES:
987 flag.setOnOff(buffer_->params().tracking_changes);
990 case LFUN_OUTPUT_CHANGES: {
991 LaTeXFeatures features(*buffer_, buffer_->params(), false);
992 flag.enabled(buffer_ && buffer_->params().tracking_changes
993 && features.isAvailable("dvipost"));
994 flag.setOnOff(buffer_->params().output_changes);
998 case LFUN_MERGE_CHANGES:
999 case LFUN_ACCEPT_CHANGE: // what about these two
1000 case LFUN_REJECT_CHANGE: // what about these two
1001 case LFUN_ACCEPT_ALL_CHANGES:
1002 case LFUN_REJECT_ALL_CHANGES:
1003 flag.enabled(buffer_ && buffer_->params().tracking_changes);
1006 flag.enabled(false);
1014 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1016 //lyxerr << BOOST_CURRENT_FUNCTION
1017 // << [ cmd = " << cmd << "]" << endl;
1019 // Make sure that the cached BufferView is correct.
1020 lyxerr[Debug::ACTION] << BOOST_CURRENT_FUNCTION
1021 << " action[" << cmd.action << ']'
1022 << " arg[" << cmd.argument << ']'
1023 << " x[" << cmd.x << ']'
1024 << " y[" << cmd.y << ']'
1025 << " button[" << cmd.button() << ']'
1028 LCursor & cur = cursor_;
1030 switch (cmd.action) {
1034 cur.message(_("Undo"));
1035 cur.clearSelection();
1036 if (!textUndo(*bv_))
1037 cur.message(_("No further undo information"));
1045 cur.message(_("Redo"));
1046 cur.clearSelection();
1047 if (!textRedo(*bv_))
1048 cur.message(_("No further redo information"));
1054 case LFUN_FILE_INSERT:
1055 MenuInsertLyXFile(cmd.argument);
1058 case LFUN_FILE_INSERT_ASCII_PARA:
1059 InsertAsciiFile(bv_, cmd.argument, true);
1062 case LFUN_FILE_INSERT_ASCII:
1063 InsertAsciiFile(bv_, cmd.argument, false);
1066 case LFUN_FONT_STATE:
1067 cur.message(cur.currentState());
1070 case LFUN_BOOKMARK_SAVE:
1071 savePosition(convert<unsigned int>(cmd.argument));
1074 case LFUN_BOOKMARK_GOTO:
1075 restorePosition(convert<unsigned int>(cmd.argument));
1078 case LFUN_REF_GOTO: {
1079 string label = cmd.argument;
1080 if (label.empty()) {
1082 getInsetByCode<InsetRef>(cursor_,
1083 InsetBase::REF_CODE);
1085 label = inset->getContents();
1091 bv_->gotoLabel(label);
1095 case LFUN_GOTO_PARAGRAPH: {
1096 int const id = convert<int>(cmd.argument);
1097 ParIterator par = buffer_->getParFromID(id);
1098 if (par == buffer_->par_iterator_end()) {
1099 lyxerr[Debug::INFO] << "No matching paragraph found! ["
1100 << id << ']' << endl;
1103 lyxerr[Debug::INFO] << "Paragraph " << par->id()
1104 << " found." << endl;
1108 bv_->setCursor(makeDocIterator(par, 0));
1115 case LFUN_GOTOERROR:
1116 bv_funcs::gotoInset(bv_, InsetBase::ERROR_CODE, false);
1120 bv_funcs::gotoInset(bv_, InsetBase::NOTE_CODE, false);
1123 case LFUN_REFERENCE_GOTO: {
1124 vector<InsetBase_code> tmp;
1125 tmp.push_back(InsetBase::LABEL_CODE);
1126 tmp.push_back(InsetBase::REF_CODE);
1127 bv_funcs::gotoInset(bv_, tmp, true);
1131 case LFUN_TRACK_CHANGES:
1135 case LFUN_OUTPUT_CHANGES: {
1136 bool const state = buffer_->params().output_changes;
1137 buffer_->params().output_changes = !state;
1141 case LFUN_MERGE_CHANGES:
1142 owner_->getDialogs().show("changes");
1145 case LFUN_ACCEPT_ALL_CHANGES: {
1146 cursor_.reset(buffer_->inset());
1147 #ifdef WITH_WARNINGS
1148 #warning FIXME changes
1150 while (lyx::find::findNextChange(bv_))
1151 bv_->getLyXText()->acceptChange(cursor_);
1156 case LFUN_REJECT_ALL_CHANGES: {
1157 cursor_.reset(buffer_->inset());
1158 #ifdef WITH_WARNINGS
1159 #warning FIXME changes
1161 while (lyx::find::findNextChange(bv_))
1162 bv_->getLyXText()->rejectChange(cursor_);
1166 case LFUN_WORD_FIND:
1167 lyx::find::find(bv_, cmd);
1170 case LFUN_WORD_REPLACE:
1171 lyx::find::replace(bv_, cmd);
1175 cur.clearSelection();
1177 cur.message(N_("Mark off"));
1181 cur.clearSelection();
1184 cur.message(N_("Mark on"));
1188 cur.clearSelection();
1191 cur.message(N_("Mark removed"));
1194 cur.message(N_("Mark set"));
1203 case LFUN_WORDS_COUNT: {
1204 DocIterator from, to;
1205 if (cur.selection()) {
1206 from = cur.selectionBegin();
1207 to = cur.selectionEnd();
1209 from = doc_iterator_begin(buffer_->inset());
1210 to = doc_iterator_end(buffer_->inset());
1212 int const count = countWords(from, to);
1215 if (cur.selection())
1216 message = bformat(_("%1$d words in selection."),
1219 message = bformat(_("%1$d words in document."),
1223 if (cur.selection())
1224 message = _("One word in selection.");
1226 message = _("One word in document.");
1229 Alert::information(_("Count words"), message);
1240 ViewMetricsInfo BufferView::Pimpl::metrics()
1242 // Remove old position cache
1244 BufferView & bv = *bv_;
1245 LyXText * const text = bv.text();
1246 if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1247 anchor_ref_ = int(text->paragraphs().size() - 1);
1251 lyx::pit_type const pit = anchor_ref_;
1254 size_t const npit = text->paragraphs().size();
1256 lyxerr << BOOST_CURRENT_FUNCTION
1257 << " npit: " << npit
1258 << " pit1: " << pit1
1259 << " pit2: " << pit2
1262 // Rebreak anchor par
1263 text->redoParagraph(pit);
1264 int y0 = text->getPar(pit1).ascent() - offset_ref_;
1266 // Redo paragraphs above cursor if necessary
1268 while (y1 > 0 && pit1 > 0) {
1269 y1 -= text->getPar(pit1).ascent();
1271 text->redoParagraph(pit1);
1272 y1 -= text->getPar(pit1).descent();
1276 // Take care of ascent of first line
1277 y1 -= text->getPar(pit1).ascent();
1279 // Normalize anchor for next time
1283 // Grey at the beginning is ugly
1284 if (pit1 == 0 && y1 > 0) {
1290 // Redo paragraphs below cursor if necessary
1292 while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1293 y2 += text->getPar(pit2).descent();
1295 text->redoParagraph(pit2);
1296 y2 += text->getPar(pit2).ascent();
1299 // Take care of descent of last line
1300 y2 += text->getPar(pit2).descent();
1302 // The coordinates of all these paragraphs are correct, cache them
1304 for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1305 y += text->getPar(pit).ascent();
1306 theCoords.parPos()[text][pit] = Point(0, y);
1307 y += text->getPar(pit).descent();
1310 lyxerr << BOOST_CURRENT_FUNCTION
1315 return ViewMetricsInfo(pit1, pit2, y1, y2);