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>
82 using lyx::support::AddPath;
83 using lyx::support::bformat;
84 using lyx::support::FileFilterList;
85 using lyx::support::FileSearch;
86 using lyx::support::ForkedcallsController;
87 using lyx::support::IsDirWriteable;
88 using lyx::support::MakeDisplayPath;
89 using lyx::support::MakeAbsPath;
90 using lyx::support::package;
93 using std::istringstream;
98 using std::mem_fun_ref;
101 extern BufferList bufferlist;
106 unsigned int const saved_positions_num = 20;
108 // All the below connection objects are needed because of a bug in some
109 // versions of GCC (<=2.96 are on the suspects list.) By having and assigning
110 // to these connections we avoid a segfault upon startup, and also at exit.
113 boost::signals::connection dispatchcon;
114 boost::signals::connection timecon;
115 boost::signals::connection doccon;
116 boost::signals::connection resizecon;
117 boost::signals::connection kpresscon;
118 boost::signals::connection selectioncon;
119 boost::signals::connection lostcon;
122 /// Get next inset of this class from current cursor position
124 T * getInsetByCode(LCursor & cur, InsetBase::Code code)
127 DocIterator it = cur;
128 if (it.nextInset() &&
129 it.nextInset()->lyxCode() == code) {
130 inset = static_cast<T*>(it.nextInset());
139 BufferView::Pimpl::Pimpl(BufferView & bv, LyXView * owner,
140 int width, int height)
141 : bv_(&bv), owner_(owner), buffer_(0), cursor_timeout(400),
142 using_xterm_cursor(false), cursor_(bv) ,
143 anchor_ref_(0), offset_ref_(0)
145 xsel_cache_.set = false;
147 workarea_.reset(WorkAreaFactory::create(*owner_, width, height));
148 screen_.reset(LyXScreenFactory::create(workarea()));
151 doccon = workarea().scrollDocView
152 .connect(boost::bind(&BufferView::Pimpl::scrollDocView, this, _1));
153 resizecon = workarea().workAreaResize
154 .connect(boost::bind(&BufferView::Pimpl::workAreaResize, this));
155 dispatchcon = workarea().dispatch
156 .connect(boost::bind(&BufferView::Pimpl::workAreaDispatch, this, _1));
157 kpresscon = workarea().workAreaKeyPress
158 .connect(boost::bind(&BufferView::Pimpl::workAreaKeyPress, this, _1, _2));
159 selectioncon = workarea().selectionRequested
160 .connect(boost::bind(&BufferView::Pimpl::selectionRequested, this));
161 lostcon = workarea().selectionLost
162 .connect(boost::bind(&BufferView::Pimpl::selectionLost, this));
164 timecon = cursor_timeout.timeout
165 .connect(boost::bind(&BufferView::Pimpl::cursorToggle, this));
166 cursor_timeout.start();
167 saved_positions.resize(saved_positions_num);
171 void BufferView::Pimpl::addError(ErrorItem const & ei)
173 errorlist_.push_back(ei);
177 void BufferView::Pimpl::showReadonly(bool)
179 owner_->updateWindowTitle();
180 owner_->getDialogs().updateBufferDependent(false);
184 void BufferView::Pimpl::connectBuffer(Buffer & buf)
186 if (errorConnection_.connected())
191 boost::bind(&BufferView::Pimpl::addError, this, _1));
195 boost::bind(&LyXView::message, owner_, _1));
199 boost::bind(&LyXView::busy, owner_, _1));
202 buf.updateTitles.connect(
203 boost::bind(&LyXView::updateWindowTitle, owner_));
206 buf.resetAutosaveTimers.connect(
207 boost::bind(&LyXView::resetAutosaveTimer, owner_));
209 readonlyConnection_ =
210 buf.readonly.connect(
211 boost::bind(&BufferView::Pimpl::showReadonly, this, _1));
215 boost::bind(&BufferView::Pimpl::setBuffer, this, (Buffer *)0));
219 void BufferView::Pimpl::disconnectBuffer()
221 errorConnection_.disconnect();
222 messageConnection_.disconnect();
223 busyConnection_.disconnect();
224 titleConnection_.disconnect();
225 timerConnection_.disconnect();
226 readonlyConnection_.disconnect();
227 closingConnection_.disconnect();
231 void BufferView::Pimpl::newFile(string const & filename, string const & tname,
234 setBuffer(::newFile(filename, tname, isNamed));
238 bool BufferView::Pimpl::loadLyXFile(string const & filename, bool tolastfiles)
240 // get absolute path of file and add ".lyx" to the filename if
242 string s = FileSearch(string(), filename, "lyx");
244 bool const found = !s.empty();
249 // file already open?
250 if (bufferlist.exists(s)) {
251 string const file = MakeDisplayPath(s, 20);
252 string text = bformat(_("The document %1$s is already "
253 "loaded.\n\nDo you want to revert "
254 "to the saved version?"), file);
255 int const ret = Alert::prompt(_("Revert to saved document?"),
256 text, 0, 1, _("&Revert"), _("&Switch to document"));
259 setBuffer(bufferlist.getBuffer(s));
262 // FIXME: should be LFUN_REVERT
263 if (!bufferlist.close(bufferlist.getBuffer(s), false))
265 // Fall through to new load. (Asger)
271 b = bufferlist.newBuffer(s);
273 if (!::loadLyXFile(b, s)) {
274 bufferlist.release(b);
278 string text = bformat(_("The document %1$s does not yet "
279 "exist.\n\nDo you want to create "
280 "a new document?"), s);
281 int const ret = Alert::prompt(_("Create new document?"),
282 text, 0, 1, _("&Create"), _("Cancel"));
285 b = ::newFile(s, string(), true);
291 bv_->showErrorList(_("Parse"));
294 LyX::ref().lastfiles().newFile(b->fileName());
300 WorkArea & BufferView::Pimpl::workarea() const
302 return *workarea_.get();
306 LyXScreen & BufferView::Pimpl::screen() const
308 return *screen_.get();
312 Painter & BufferView::Pimpl::painter() const
314 return workarea().getPainter();
318 void BufferView::Pimpl::setBuffer(Buffer * b)
320 lyxerr[Debug::INFO] << "Setting buffer in BufferView ("
325 // if we are closing current buffer, switch to the first in
328 lyxerr[Debug::INFO] << " No Buffer!" << endl;
329 // we are closing the buffer, use the first buffer as current
330 buffer_ = bufferlist.first();
331 owner_->getDialogs().hideBufferDependent();
333 // set current buffer
338 cursor_ = LCursor(*bv_);
343 // if we're quitting lyx, don't bother updating stuff
348 lyxerr[Debug::INFO] << "Buffer addr: " << buffer_ << endl;
349 connectBuffer(*buffer_);
351 cursor_.push(buffer_->inset());
352 cursor_.resetAnchor();
353 buffer_->text().init(bv_);
354 buffer_->text().setCurrentFont(cursor_);
356 // Buffer-dependent dialogs should be updated or
357 // hidden. This should go here because some dialogs (eg ToC)
358 // require bv_->text.
359 owner_->getDialogs().updateBufferDependent(true);
364 owner_->updateMenubar();
365 owner_->updateToolbars();
366 owner_->updateLayoutChoice();
367 owner_->updateWindowTitle();
369 // This is done after the layout combox has been populated
371 owner_->setLayout(cursor_.paragraph().layout()->name());
373 if (buffer_ && lyx::graphics::Previews::status() != LyXRC::PREVIEW_OFF)
374 lyx::graphics::Previews::get().generateBufferPreviews(*buffer_);
378 void BufferView::Pimpl::resizeCurrentBuffer()
380 lyxerr[Debug::DEBUG] << "resizeCurrentBuffer" << endl;
382 owner_->message(_("Formatting document..."));
384 LyXText * text = bv_->text();
394 // reset the "Formatting..." message
395 owner_->clearMessage();
401 void BufferView::Pimpl::updateScrollbar()
404 lyxerr[Debug::DEBUG] << "no text in updateScrollbar" << endl;
405 workarea().setScrollbarParams(0, 0, 0);
409 LyXText & t = *bv_->text();
410 if (anchor_ref_ > int(t.paragraphs().size()) - 1) {
411 anchor_ref_ = int(t.paragraphs().size()) - 1;
416 << "Updating scrollbar: height: " << t.paragraphs().size()
417 << " curr par: " << bv_->cursor().bottom().pit()
418 << " default height " << defaultRowHeight() << endl;
420 //it would be better to fix the scrollbar to understand
421 //values in [0..1] and divide everything by wh
422 int const wh = workarea().workHeight() / 4;
423 int const h = t.getPar(anchor_ref_).height();
424 workarea().setScrollbarParams(t.paragraphs().size() * wh, anchor_ref_ * wh + int(offset_ref_ * wh / float(h)), int (wh * defaultRowHeight() / float(h)));
425 // workarea().setScrollbarParams(t.paragraphs().size(), anchor_ref_, 1);
429 void BufferView::Pimpl::scrollDocView(int value)
431 lyxerr[Debug::GUI] << "scrollDocView of " << value << endl;
436 screen().hideCursor();
438 int const wh = workarea().workHeight() / 4;
440 LyXText & t = *bv_->text();
442 float const bar = value / float(wh * t.paragraphs().size());
444 anchor_ref_ = int(bar * t.paragraphs().size());
445 t.redoParagraph(anchor_ref_);
446 int const h = t.getPar(anchor_ref_).height();
447 offset_ref_ = int((bar * t.paragraphs().size() - anchor_ref_) * h);
448 lyxerr << "scrolling: " << value << std::endl;
451 if (!lyxrc.cursor_follows_scrollbar)
454 int const height = 2 * defaultRowHeight();
455 int const first = height;
456 int const last = workarea().workHeight() - height;
457 LCursor & cur = bv_->cursor();
459 bv_funcs::CurStatus st = bv_funcs::status(bv_, cur);
462 case bv_funcs::CUR_ABOVE:
463 t.setCursorFromCoordinates(cur, 0, first);
464 cur.clearSelection();
466 case bv_funcs::CUR_BELOW:
467 t.setCursorFromCoordinates(cur, 0, last);
468 cur.clearSelection();
470 case bv_funcs::CUR_INSIDE:
471 int const y = bv_funcs::getPos(cur).y_;
472 int const newy = min(last, max(y, first));
474 cur.reset(bv_->buffer()->inset());
475 t.setCursorFromCoordinates(cur, 0, newy);
478 owner_->updateLayoutChoice();
482 void BufferView::Pimpl::scroll(int lines)
487 // LyXText const * t = bv_->text();
488 // int const line_height = defaultRowHeight();
490 // // The new absolute coordinate
491 // int new_top_y = top_y() + lines * line_height;
493 // // Restrict to a valid value
494 // new_top_y = std::min(t->height() - 4 * line_height, new_top_y);
495 // new_top_y = std::max(0, new_top_y);
497 // scrollDocView(new_top_y);
499 // // Update the scrollbar.
500 // workarea().setScrollbarParams(t->height(), top_y(), defaultRowHeight());
504 void BufferView::Pimpl::workAreaKeyPress(LyXKeySymPtr key,
505 key_modifier::state state)
507 bv_->owner()->getLyXFunc().processKeySym(key, state);
509 /* This is perhaps a bit of a hack. When we move
510 * around, or type, it's nice to be able to see
511 * the cursor immediately after the keypress. So
512 * we reset the toggle timeout and force the visibility
513 * of the cursor. Note we cannot do this inside
514 * dispatch() itself, because that's called recursively.
517 cursor_timeout.restart();
518 screen().showCursor(*bv_);
523 void BufferView::Pimpl::selectionRequested()
530 LCursor & cur = bv_->cursor();
532 if (!cur.selection()) {
533 xsel_cache_.set = false;
537 if (!xsel_cache_.set ||
538 cur.back() != xsel_cache_.cursor ||
539 cur.anchor_.back() != xsel_cache_.anchor)
541 xsel_cache_.cursor = cur.back();
542 xsel_cache_.anchor = cur.anchor_.back();
543 xsel_cache_.set = cur.selection();
544 sel = cur.selectionAsString(false);
546 workarea().putClipboard(sel);
551 void BufferView::Pimpl::selectionLost()
554 screen().hideCursor();
555 bv_->cursor().clearSelection();
556 xsel_cache_.set = false;
561 void BufferView::Pimpl::workAreaResize()
563 static int work_area_width;
564 static int work_area_height;
566 bool const widthChange = workarea().workWidth() != work_area_width;
567 bool const heightChange = workarea().workHeight() != work_area_height;
569 // update from work area
570 work_area_width = workarea().workWidth();
571 work_area_height = workarea().workHeight();
573 if (buffer_ && widthChange) {
574 // The visible LyXView need a resize
575 resizeCurrentBuffer();
578 if (widthChange || heightChange)
581 // always make sure that the scrollbar is sane.
583 owner_->updateLayoutChoice();
587 bool BufferView::Pimpl::fitCursor()
589 if (bv_funcs::status(bv_, bv_->cursor()) == bv_funcs::CUR_INSIDE) {
590 LyXFont const font = bv_->cursor().getFont();
591 int const asc = font_metrics::maxAscent(font);
592 int const des = font_metrics::maxDescent(font);
593 Point p = bv_funcs::getPos(bv_->cursor());
594 if (p.y_ - asc >= 0 && p.y_ + des < bv_->workHeight())
602 void BufferView::Pimpl::update(bool fitcursor, bool forceupdate)
604 lyxerr << "BufferView::Pimpl::update(fc=" << fitcursor << ", fu="
605 << forceupdate << ") buffer: " << buffer_ << endl;
607 // check needed to survive LyX startup
609 // update macro store
610 buffer_->buildMacros();
611 // first drawing step
614 std::swap(theCoords, backup);
616 ViewMetricsInfo vi = metrics();
618 if (fitcursor && fitCursor()) {
623 // second drawing step
624 screen().redraw(*bv_, vi);
626 std::swap(theCoords, backup);
632 bv_->owner()->view_state_changed();
636 // Callback for cursor timer
637 void BufferView::Pimpl::cursorToggle()
640 screen().toggleCursor(*bv_);
642 // Use this opportunity to deal with any child processes that
643 // have finished but are waiting to communicate this fact
644 // to the rest of LyX.
645 ForkedcallsController & fcc = ForkedcallsController::get();
646 if (fcc.processesCompleted())
647 fcc.handleCompletedProcesses();
650 cursor_timeout.restart();
654 bool BufferView::Pimpl::available() const
656 return buffer_ && bv_->text();
660 Change const BufferView::Pimpl::getCurrentChange()
662 if (!bv_->buffer()->params().tracking_changes)
663 return Change(Change::UNCHANGED);
665 LyXText * text = bv_->getLyXText();
666 LCursor & cur = bv_->cursor();
668 if (!cur.selection())
669 return Change(Change::UNCHANGED);
671 return text->getPar(cur.selBegin().pit()).
672 lookupChangeFull(cur.selBegin().pos());
676 void BufferView::Pimpl::savePosition(unsigned int i)
678 if (i >= saved_positions_num)
680 BOOST_ASSERT(bv_->cursor().inTexted());
681 saved_positions[i] = Position(buffer_->fileName(),
682 bv_->cursor().paragraph().id(),
683 bv_->cursor().pos());
685 owner_->message(bformat(_("Saved bookmark %1$d"), i));
689 void BufferView::Pimpl::restorePosition(unsigned int i)
691 if (i >= saved_positions_num)
694 string const fname = saved_positions[i].filename;
696 bv_->cursor().clearSelection();
698 if (fname != buffer_->fileName()) {
700 if (bufferlist.exists(fname))
701 b = bufferlist.getBuffer(fname);
703 b = bufferlist.newBuffer(fname);
704 ::loadLyXFile(b, fname); // don't ask, just load it
710 ParIterator par = buffer_->getParFromID(saved_positions[i].par_id);
711 if (par == buffer_->par_iterator_end())
714 bv_->text()->setCursor(bv_->cursor(), par.pit(),
715 min(par->size(), saved_positions[i].par_pos));
718 owner_->message(bformat(_("Moved to bookmark %1$d"), i));
722 bool BufferView::Pimpl::isSavedPosition(unsigned int i)
724 return i < saved_positions_num && !saved_positions[i].filename.empty();
728 void BufferView::Pimpl::switchKeyMap()
730 if (!lyxrc.rtl_support)
733 Intl & intl = owner_->getIntl();
734 if (bv_->getLyXText()->real_current_font.isRightToLeft()) {
735 if (intl.keymap == Intl::PRIMARY)
738 if (intl.keymap == Intl::SECONDARY)
744 void BufferView::Pimpl::center()
746 CursorSlice const & bot = bv_->cursor().bottom();
747 lyx::pit_type const pit = bot.pit();
748 bot.text()->redoParagraph(pit);
749 Paragraph const & par = bot.text()->paragraphs()[pit];
751 offset_ref_ = bv_funcs::coordOffset(bv_->cursor()).y_ + par.ascent()
752 - workarea().workHeight() / 2;
756 void BufferView::Pimpl::stuffClipboard(string const & content) const
758 workarea().putClipboard(content);
762 void BufferView::Pimpl::MenuInsertLyXFile(string const & filenm)
764 string filename = filenm;
766 if (filename.empty()) {
767 // Launch a file browser
768 string initpath = lyxrc.document_path;
771 string const trypath = owner_->buffer()->filePath();
772 // If directory is writeable, use this as default.
773 if (IsDirWriteable(trypath))
777 FileDialog fileDlg(_("Select LyX document to insert"),
779 make_pair(string(_("Documents|#o#O")),
780 string(lyxrc.document_path)),
781 make_pair(string(_("Examples|#E#e")),
782 string(AddPath(package().system_support(), "examples"))));
784 FileDialog::Result result =
785 fileDlg.open(initpath,
786 FileFilterList(_("LyX Documents (*.lyx)")),
789 if (result.first == FileDialog::Later)
792 filename = result.second;
794 // check selected filename
795 if (filename.empty()) {
796 owner_->message(_("Canceled."));
801 // get absolute path of file and add ".lyx" to the filename if
803 filename = FileSearch(string(), filename, "lyx");
805 string const disp_fn = MakeDisplayPath(filename);
806 owner_->message(bformat(_("Inserting document %1$s..."), disp_fn));
808 bv_->cursor().clearSelection();
809 bv_->text()->breakParagraph(bv_->cursor());
811 BOOST_ASSERT(bv_->cursor().inTexted());
813 string const fname = MakeAbsPath(filename);
814 bool const res = bv_->buffer()->readFile(fname, bv_->cursor().pit());
817 string s = res ? _("Document %1$s inserted.")
818 : _("Could not insert document %1$s");
819 owner_->message(bformat(s, disp_fn));
823 void BufferView::Pimpl::trackChanges()
825 Buffer * buf = bv_->buffer();
826 bool const tracking = buf->params().tracking_changes;
829 for_each(buf->par_iterator_begin(),
830 buf->par_iterator_end(),
831 bind(&Paragraph::trackChanges, _1, Change::UNCHANGED));
832 buf->params().tracking_changes = true;
834 // we cannot allow undos beyond the freeze point
835 buf->undostack().clear();
838 bv_->text()->setCursor(bv_->cursor(), 0, 0);
840 #warning changes FIXME
842 bool found = lyx::find::findNextChange(bv_);
844 owner_->getDialogs().show("changes");
848 for_each(buf->par_iterator_begin(),
849 buf->par_iterator_end(),
850 mem_fun_ref(&Paragraph::untrackChanges));
852 buf->params().tracking_changes = false;
855 buf->redostack().clear();
859 bool BufferView::Pimpl::workAreaDispatch(FuncRequest const & cmd0)
861 lyxerr << "BufferView::Pimpl::workAreaDispatch: request: "
862 << cmd0 << std::endl;
863 // this is only called for mouse related events including
864 // LFUN_FILE_OPEN generated by drag-and-drop.
865 FuncRequest cmd = cmd0;
868 if (cmd.action == LFUN_FILE_OPEN) {
869 owner_->dispatch(cmd);
877 cur.push(bv_->buffer()->inset());
878 cur.selection() = bv_->cursor().selection();
880 // Doesn't go through lyxfunc, so we need to update
881 // the layout choice etc. ourselves
883 // e.g. Qt mouse press when no buffer
887 screen().hideCursor();
889 // Either the inset under the cursor or the
890 // surrounding LyXText will handle this event.
892 // Build temporary cursor.
893 cmd.y = min(max(cmd.y,-1), bv_->workHeight());
894 InsetBase * inset = bv_->text()->editXY(cur, cmd.x, cmd.y);
895 lyxerr << " * hit inset at tip: " << inset << endl;
896 lyxerr << " * created temp cursor:" << cur << endl;
898 // Put anchor at the same position.
901 // Try to dispatch to an non-editable inset near this position
902 // via the temp cursor. If the inset wishes to change the real
903 // cursor it has to do so explicitly by using
904 // cur.bv().cursor() = cur; (or similar)
906 inset->dispatch(cur, cmd);
908 // Now dispatch to the temporary cursor. If the real cursor should
909 // be modified, the inset's dispatch has to do so explicitly.
910 if (!cur.result().dispatched())
913 if (cur.result().dispatched()) {
914 // Redraw if requested or necessary.
915 update(cur.result().update(), cur.result().update());
918 // see workAreaKeyPress
919 cursor_timeout.restart();
920 screen().showCursor(*bv_);
922 // skip these when selecting
923 if (cmd.action != LFUN_MOUSE_MOTION) {
924 owner_->updateLayoutChoice();
925 owner_->updateToolbars();
928 // slight hack: this is only called currently when we
929 // clicked somewhere, so we force through the display
930 // of the new status here.
931 owner_->clearMessage();
936 FuncStatus BufferView::Pimpl::getStatus(FuncRequest const & cmd)
938 Buffer * buf = bv_->buffer();
942 switch (cmd.action) {
945 flag.enabled(!buf->undostack().empty());
948 flag.enabled(!buf->redostack().empty());
950 case LFUN_FILE_INSERT:
951 case LFUN_FILE_INSERT_ASCII_PARA:
952 case LFUN_FILE_INSERT_ASCII:
953 case LFUN_FONT_STATE:
954 case LFUN_INSERT_LABEL:
955 case LFUN_BOOKMARK_SAVE:
958 case LFUN_WORD_REPLACE:
963 case LFUN_WORDS_COUNT:
967 case LFUN_BOOKMARK_GOTO:
968 flag.enabled(bv_->isSavedPosition(convert<unsigned int>(cmd.argument)));
970 case LFUN_TRACK_CHANGES:
972 flag.setOnOff(buf->params().tracking_changes);
975 case LFUN_OUTPUT_CHANGES: {
976 LaTeXFeatures features(*buf, buf->params(), false);
977 flag.enabled(buf && buf->params().tracking_changes
978 && features.isAvailable("dvipost"));
979 flag.setOnOff(buf->params().output_changes);
983 case LFUN_MERGE_CHANGES:
984 case LFUN_ACCEPT_CHANGE: // what about these two
985 case LFUN_REJECT_CHANGE: // what about these two
986 case LFUN_ACCEPT_ALL_CHANGES:
987 case LFUN_REJECT_ALL_CHANGES:
988 flag.enabled(buf && buf->params().tracking_changes);
999 bool BufferView::Pimpl::dispatch(FuncRequest const & cmd)
1001 //lyxerr << "BufferView::Pimpl::dispatch cmd: " << cmd << std::endl;
1002 // Make sure that the cached BufferView is correct.
1003 lyxerr[Debug::ACTION] << "BufferView::Pimpl::Dispatch:"
1004 << " action[" << cmd.action << ']'
1005 << " arg[" << cmd.argument << ']'
1006 << " x[" << cmd.x << ']'
1007 << " y[" << cmd.y << ']'
1008 << " button[" << cmd.button() << ']'
1011 LCursor & cur = bv_->cursor();
1013 switch (cmd.action) {
1017 cur.message(_("Undo"));
1018 cur.clearSelection();
1019 if (!textUndo(*bv_))
1020 cur.message(_("No further undo information"));
1028 cur.message(_("Redo"));
1029 cur.clearSelection();
1030 if (!textRedo(*bv_))
1031 cur.message(_("No further redo information"));
1037 case LFUN_FILE_INSERT:
1038 MenuInsertLyXFile(cmd.argument);
1041 case LFUN_FILE_INSERT_ASCII_PARA:
1042 InsertAsciiFile(bv_, cmd.argument, true);
1045 case LFUN_FILE_INSERT_ASCII:
1046 InsertAsciiFile(bv_, cmd.argument, false);
1049 case LFUN_FONT_STATE:
1050 cur.message(cur.currentState());
1053 case LFUN_BOOKMARK_SAVE:
1054 savePosition(convert<unsigned int>(cmd.argument));
1057 case LFUN_BOOKMARK_GOTO:
1058 restorePosition(convert<unsigned int>(cmd.argument));
1061 case LFUN_REF_GOTO: {
1062 string label = cmd.argument;
1063 if (label.empty()) {
1065 getInsetByCode<InsetRef>(bv_->cursor(),
1066 InsetBase::REF_CODE);
1068 label = inset->getContents();
1074 bv_->gotoLabel(label);
1078 case LFUN_TRACK_CHANGES:
1082 case LFUN_OUTPUT_CHANGES: {
1083 Buffer * buf = bv_->buffer();
1084 bool const state = buf->params().output_changes;
1085 buf->params().output_changes = !state;
1089 case LFUN_MERGE_CHANGES:
1090 owner_->getDialogs().show("changes");
1093 case LFUN_ACCEPT_ALL_CHANGES: {
1094 bv_->cursor().reset(bv_->buffer()->inset());
1095 #ifdef WITH_WARNINGS
1096 #warning FIXME changes
1098 while (lyx::find::findNextChange(bv_))
1099 bv_->getLyXText()->acceptChange(bv_->cursor());
1104 case LFUN_REJECT_ALL_CHANGES: {
1105 bv_->cursor().reset(bv_->buffer()->inset());
1106 #ifdef WITH_WARNINGS
1107 #warning FIXME changes
1109 while (lyx::find::findNextChange(bv_))
1110 bv_->getLyXText()->rejectChange(bv_->cursor());
1114 case LFUN_WORD_FIND:
1115 lyx::find::find(bv_, cmd);
1118 case LFUN_WORD_REPLACE:
1119 lyx::find::replace(bv_, cmd);
1123 cur.clearSelection();
1125 cur.message(N_("Mark off"));
1129 cur.clearSelection();
1132 cur.message(N_("Mark on"));
1136 cur.clearSelection();
1139 cur.message(N_("Mark removed"));
1142 cur.message(N_("Mark set"));
1151 case LFUN_WORDS_COUNT: {
1152 DocIterator from, to;
1153 if (cur.selection()) {
1154 from = cur.selectionBegin();
1155 to = cur.selectionEnd();
1157 from = doc_iterator_begin(bv_->buffer()->inset());
1158 to = doc_iterator_end(bv_->buffer()->inset());
1160 int const count = countWords(from, to);
1163 if (cur.selection())
1164 message = bformat(_("%1$d words in selection."),
1167 message = bformat(_("%1$d words in document."),
1171 if (cur.selection())
1172 message = _("One word in selection.");
1174 message = _("One word in document.");
1177 Alert::information(_("Count words"), message);
1188 ViewMetricsInfo BufferView::Pimpl::metrics()
1190 // remove old position cache
1192 BufferView & bv = *bv_;
1193 LyXText * const text = bv.text();
1194 if (anchor_ref_ > int(text->paragraphs().size() - 1)) {
1195 anchor_ref_ = int(text->paragraphs().size() - 1);
1199 lyx::pit_type const pit = anchor_ref_;
1202 size_t npit = text->paragraphs().size();
1203 lyxerr << "npit: " << npit << " pit1: " << pit1
1204 << " pit2: " << pit2 << endl;
1206 // rebreak anchor par
1207 text->redoParagraph(pit);
1208 int y0 = text->getPar(pit1).ascent() - offset_ref_;
1210 // redo paragraphs above cursor if necessary
1212 while (y1 > 0 && pit1 > 0) {
1213 y1 -= text->getPar(pit1).ascent();
1215 text->redoParagraph(pit1);
1216 y1 -= text->getPar(pit1).descent();
1220 // take care of ascent of first line
1221 y1 -= text->getPar(pit1).ascent();
1223 //normalize anchor for next time
1227 // grey at the beginning is ugly
1228 if (pit1 == 0 && y1 > 0) {
1234 // redo paragraphs below cursor if necessary
1236 while (y2 < bv.workHeight() && pit2 < int(npit) - 1) {
1237 y2 += text->getPar(pit2).descent();
1239 text->redoParagraph(pit2);
1240 y2 += text->getPar(pit2).ascent();
1243 // take care of descent of last line
1244 y2 += text->getPar(pit2).descent();
1246 // the coordinates of all these paragraphs are correct, cache them
1248 for (lyx::pit_type pit = pit1; pit <= pit2; ++pit) {
1249 y += text->getPar(pit).ascent();
1250 theCoords.pars_[text][pit] = Point(0, y);
1251 y += text->getPar(pit).descent();
1254 lyxerr << "bv:metrics: y1: " << y1 << " y2: " << y2 << endl;
1255 return ViewMetricsInfo(pit1, pit2, y1, y2);