3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alfredo Braunstein
7 * \author Lars Gullik Bjønnes
10 * \author Jürgen Vigna
12 * Full author contact details are available in file CREDITS.
17 #include "BufferView.h"
19 #include "BranchList.h"
21 #include "buffer_funcs.h"
22 #include "BufferList.h"
23 #include "BufferParams.h"
24 #include "CoordCache.h"
26 #include "CutAndPaste.h"
27 #include "DispatchResult.h"
28 #include "ErrorList.h"
30 #include "FloatList.h"
31 #include "FuncRequest.h"
32 #include "FuncStatus.h"
34 #include "InsetIterator.h"
36 #include "LaTeXFeatures.h"
37 #include "LayoutFile.h"
40 #include "LyXAction.h"
45 #include "MetricsInfo.h"
46 #include "Paragraph.h"
47 #include "ParagraphParameters.h"
48 #include "ParIterator.h"
51 #include "TextClass.h"
52 #include "TextMetrics.h"
54 #include "TocBackend.h"
56 #include "WordLangTuple.h"
58 #include "insets/InsetBibtex.h"
59 #include "insets/InsetCommand.h" // ChangeRefs
60 #include "insets/InsetExternal.h"
61 #include "insets/InsetGraphics.h"
62 #include "insets/InsetRef.h"
63 #include "insets/InsetText.h"
64 #include "insets/InsetNote.h"
66 #include "frontends/alert.h"
67 #include "frontends/Application.h"
68 #include "frontends/Delegates.h"
69 #include "frontends/FontMetrics.h"
70 #include "frontends/Painter.h"
71 #include "frontends/Selection.h"
73 #include "graphics/Previews.h"
75 #include "support/convert.h"
76 #include "support/debug.h"
77 #include "support/ExceptionMessage.h"
78 #include "support/filetools.h"
79 #include "support/gettext.h"
80 #include "support/lstrings.h"
81 #include "support/Package.h"
82 #include "support/types.h"
92 using namespace lyx::support;
96 namespace Alert = frontend::Alert;
100 /// Return an inset of this class if it exists at the current cursor position
102 T * getInsetByCode(Cursor const & cur, InsetCode code)
104 DocIterator it = cur;
105 Inset * inset = it.nextInset();
106 if (inset && inset->lyxCode() == code)
107 return static_cast<T*>(inset);
112 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
115 bool findNextInset(DocIterator & dit, vector<InsetCode> const & codes,
116 docstring const & contents)
118 DocIterator tmpdit = dit;
121 Inset const * inset = tmpdit.nextInset();
123 && std::find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()
124 && (contents.empty() ||
125 static_cast<InsetCommand const *>(inset)->getFirstNonOptParam() == contents)) {
129 tmpdit.forwardInset();
136 /// Looks for next inset with one of the given codes.
137 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
141 DocIterator tmpdit = dit;
142 tmpdit.forwardInset();
147 Inset const * inset = tmpdit.nextInset();
149 && std::find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()) {
150 contents = static_cast<InsetCommand const *>(inset)->getFirstNonOptParam();
154 if (!findNextInset(tmpdit, codes, contents)) {
155 if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
156 Inset * inset = &tmpdit.bottom().inset();
157 tmpdit = doc_iterator_begin(&inset->buffer(), inset);
158 if (!findNextInset(tmpdit, codes, contents))
170 /// Looks for next inset with the given code
171 void findInset(DocIterator & dit, InsetCode code, bool same_content)
173 findInset(dit, vector<InsetCode>(1, code), same_content);
177 /// Moves cursor to the next inset with one of the given codes.
178 void gotoInset(BufferView * bv, vector<InsetCode> const & codes,
181 Cursor tmpcur = bv->cursor();
182 if (!findInset(tmpcur, codes, same_content)) {
183 bv->cursor().message(_("No more insets"));
187 tmpcur.clearSelection();
188 bv->setCursor(tmpcur);
193 /// Moves cursor to the next inset with given code.
194 void gotoInset(BufferView * bv, InsetCode code, bool same_content)
196 gotoInset(bv, vector<InsetCode>(1, code), same_content);
200 /// A map from a Text to the associated text metrics
201 typedef map<Text const *, TextMetrics> TextMetricsCache;
203 enum ScreenUpdateStrategy {
213 /////////////////////////////////////////////////////////////////////
217 /////////////////////////////////////////////////////////////////////
219 struct BufferView::Private
221 Private(BufferView & bv): wh_(0), cursor_(bv),
222 anchor_pit_(0), anchor_ypos_(0),
223 inlineCompletionUniqueChars_(0),
224 last_inset_(0), bookmark_edit_position_(0), gui_(0)
228 ScrollbarParameters scrollbarParameters_;
230 ScreenUpdateStrategy update_strategy_;
232 CoordCache coord_cache_;
234 /// Estimated average par height for scrollbar.
236 /// this is used to handle XSelection events in the right manner.
245 pit_type anchor_pit_;
249 vector<int> par_height_;
252 DocIterator inlineCompletionPos_;
254 docstring inlineCompletion_;
256 size_t inlineCompletionUniqueChars_;
258 /// keyboard mapping object.
261 /// last visited inset.
262 /** kept to send setMouseHover(false).
263 * Not owned, so don't delete.
267 // cache for id of the paragraph which was edited the last time
268 int bookmark_edit_position_;
270 mutable TextMetricsCache text_metrics_;
273 /** Not owned, so don't delete.
275 frontend::GuiBufferViewDelegate * gui_;
277 /// Cache for Find Next
278 FuncRequest search_request_cache_;
282 BufferView::BufferView(Buffer & buf)
283 : width_(0), height_(0), full_screen_(false), buffer_(buf),
284 d(new Private(*this))
286 d->xsel_cache_.set = false;
287 d->intl_.initKeyMapper(lyxrc.use_kbmap);
289 d->cursor_.setBuffer(&buf);
290 d->cursor_.push(buffer_.inset());
291 d->cursor_.resetAnchor();
292 d->cursor_.setCurrentFont();
294 if (graphics::Previews::status() != LyXRC::PREVIEW_OFF)
295 thePreviews().generateBufferPreviews(buffer_);
299 BufferView::~BufferView()
301 // current buffer is going to be switched-off, save cursor pos
302 // Ideally, the whole cursor stack should be saved, but session
303 // currently can only handle bottom (whole document) level pit and pos.
304 // That is to say, if a cursor is in a nested inset, it will be
305 // restore to the left of the top level inset.
306 LastFilePosSection::FilePos fp;
307 fp.pit = d->cursor_.bottom().pit();
308 fp.pos = d->cursor_.bottom().pos();
309 theSession().lastFilePos().save(buffer_.fileName(), fp);
315 int BufferView::rightMargin() const
317 // The additional test for the case the outliner is opened.
319 !lyxrc.full_screen_limit ||
320 width_ < lyxrc.full_screen_width + 20)
323 return (width_ - lyxrc.full_screen_width) / 2;
327 int BufferView::leftMargin() const
329 return rightMargin();
333 bool BufferView::isTopScreen() const
335 return d->scrollbarParameters_.position == d->scrollbarParameters_.min;
339 bool BufferView::isBottomScreen() const
341 return d->scrollbarParameters_.position == d->scrollbarParameters_.max;
345 Intl & BufferView::getIntl()
351 Intl const & BufferView::getIntl() const
357 CoordCache & BufferView::coordCache()
359 return d->coord_cache_;
363 CoordCache const & BufferView::coordCache() const
365 return d->coord_cache_;
369 Buffer & BufferView::buffer()
375 Buffer const & BufferView::buffer() const
381 bool BufferView::fitCursor()
383 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
384 frontend::FontMetrics const & fm =
385 theFontMetrics(d->cursor_.getFont().fontInfo());
386 int const asc = fm.maxAscent();
387 int const des = fm.maxDescent();
388 Point const p = getPos(d->cursor_, d->cursor_.boundary());
389 if (p.y_ - asc >= 0 && p.y_ + des < height_)
396 void BufferView::processUpdateFlags(Update::flags flags)
398 // last_inset_ points to the last visited inset. This pointer may become
399 // invalid because of keyboard editing. Since all such operations
400 // causes screen update(), I reset last_inset_ to avoid such a problem.
402 // This is close to a hot-path.
403 LYXERR(Debug::DEBUG, "BufferView::processUpdateFlags()"
404 << "[fitcursor = " << (flags & Update::FitCursor)
405 << ", forceupdate = " << (flags & Update::Force)
406 << ", singlepar = " << (flags & Update::SinglePar)
407 << "] buffer: " << &buffer_);
409 buffer_.updateMacros();
411 // Now do the first drawing step if needed. This consists on updating
412 // the CoordCache in updateMetrics().
413 // The second drawing step is done in WorkArea::redraw() if needed.
415 // Case when no explicit update is requested.
417 // no need to redraw anything.
418 d->update_strategy_ = NoScreenUpdate;
422 if (flags == Update::Decoration) {
423 d->update_strategy_ = DecorationUpdate;
428 if (flags == Update::FitCursor
429 || flags == (Update::Decoration | Update::FitCursor)) {
430 // tell the frontend to update the screen if needed.
435 if (flags & Update::Decoration) {
436 d->update_strategy_ = DecorationUpdate;
440 // no screen update is needed.
441 d->update_strategy_ = NoScreenUpdate;
445 bool const full_metrics = flags & Update::Force || !singleParUpdate();
448 // We have to update the full screen metrics.
451 if (!(flags & Update::FitCursor)) {
452 // Nothing to do anymore. Trigger a redraw and return
457 // updateMetrics() does not update paragraph position
458 // This is done at draw() time. So we need a redraw!
462 // The cursor is off screen so ensure it is visible.
469 void BufferView::updateScrollbar()
471 if (height_ == 0 && width_ == 0)
474 // We prefer fixed size line scrolling.
475 d->scrollbarParameters_.single_step = defaultRowHeight();
476 // We prefer full screen page scrolling.
477 d->scrollbarParameters_.page_step = height_;
479 Text & t = buffer_.text();
480 TextMetrics & tm = d->text_metrics_[&t];
482 LYXERR(Debug::GUI, " Updating scrollbar: height: "
483 << t.paragraphs().size()
484 << " curr par: " << d->cursor_.bottom().pit()
485 << " default height " << defaultRowHeight());
487 size_t const parsize = t.paragraphs().size();
488 if (d->par_height_.size() != parsize) {
489 d->par_height_.clear();
490 // FIXME: We assume a default paragraph height of 2 rows. This
491 // should probably be pondered with the screen width.
492 d->par_height_.resize(parsize, defaultRowHeight() * 2);
495 // Look at paragraph heights on-screen
496 pair<pit_type, ParagraphMetrics const *> first = tm.first();
497 pair<pit_type, ParagraphMetrics const *> last = tm.last();
498 for (pit_type pit = first.first; pit <= last.first; ++pit) {
499 d->par_height_[pit] = tm.parMetrics(pit).height();
500 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
501 << d->par_height_[pit]);
504 int top_pos = first.second->position() - first.second->ascent();
505 int bottom_pos = last.second->position() + last.second->descent();
506 bool first_visible = first.first == 0 && top_pos >= 0;
507 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
508 if (first_visible && last_visible) {
509 d->scrollbarParameters_.min = 0;
510 d->scrollbarParameters_.max = 0;
514 d->scrollbarParameters_.min = top_pos;
515 for (size_t i = 0; i != size_t(first.first); ++i)
516 d->scrollbarParameters_.min -= d->par_height_[i];
517 d->scrollbarParameters_.max = bottom_pos;
518 for (size_t i = last.first + 1; i != parsize; ++i)
519 d->scrollbarParameters_.max += d->par_height_[i];
521 d->scrollbarParameters_.position = 0;
522 // The reference is the top position so we remove one page.
523 if (lyxrc.scroll_below_document)
524 d->scrollbarParameters_.max -= minVisiblePart();
526 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
530 ScrollbarParameters const & BufferView::scrollbarParameters() const
532 return d->scrollbarParameters_;
536 docstring BufferView::toolTip(int x, int y) const
538 // Get inset under mouse, if there is one.
539 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
541 // No inset, no tooltip...
543 return covering_inset->toolTip(*this, x, y);
547 docstring BufferView::contextMenu(int x, int y) const
549 //If there is a selection, return the containing inset menu
550 if (d->cursor_.selection())
551 return d->cursor_.inset().contextMenu(*this, x, y);
553 // Get inset under mouse, if there is one.
554 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
556 return covering_inset->contextMenu(*this, x, y);
558 return buffer_.inset().contextMenu(*this, x, y);
562 void BufferView::scrollDocView(int value)
564 int const offset = value - d->scrollbarParameters_.position;
566 // No scrolling at all? No need to redraw anything
570 // If the offset is less than 2 screen height, prefer to scroll instead.
571 if (abs(offset) <= 2 * height_) {
572 d->anchor_ypos_ -= offset;
578 // cut off at the top
579 if (value <= d->scrollbarParameters_.min) {
580 DocIterator dit = doc_iterator_begin(&buffer_);
582 LYXERR(Debug::SCROLLING, "scroll to top");
586 // cut off at the bottom
587 if (value >= d->scrollbarParameters_.max) {
588 DocIterator dit = doc_iterator_end(&buffer_);
591 LYXERR(Debug::SCROLLING, "scroll to bottom");
595 // find paragraph at target position
596 int par_pos = d->scrollbarParameters_.min;
598 for (; i != int(d->par_height_.size()); ++i) {
599 par_pos += d->par_height_[i];
600 if (par_pos >= value)
604 if (par_pos < value) {
605 // It seems we didn't find the correct pit so stay on the safe side and
607 LYXERR0("scrolling position not found!");
608 scrollDocView(d->scrollbarParameters_.max);
612 DocIterator dit = doc_iterator_begin(&buffer_);
614 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
619 // FIXME: this method is not working well.
620 void BufferView::setCursorFromScrollbar()
622 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
624 int const height = 2 * defaultRowHeight();
625 int const first = height;
626 int const last = height_ - height;
628 Cursor const & oldcur = d->cursor_;
630 switch (cursorStatus(oldcur)) {
638 int const y = getPos(oldcur, oldcur.boundary()).y_;
639 newy = min(last, max(y, first));
643 // We reset the cursor because cursorStatus() does not
644 // work when the cursor is within mathed.
646 cur.reset(buffer_.inset());
647 tm.setCursorFromCoordinates(cur, 0, newy);
649 // update the bufferview cursor and notify insets
650 // FIXME: Care about the d->cursor_ flags to redraw if needed
651 Cursor old = d->cursor_;
653 bool badcursor = notifyCursorLeavesOrEnters(old, d->cursor_);
655 d->cursor_.fixIfBroken();
659 Change const BufferView::getCurrentChange() const
661 if (!d->cursor_.selection())
662 return Change(Change::UNCHANGED);
664 DocIterator dit = d->cursor_.selectionBegin();
665 return dit.paragraph().lookupChange(dit.pos());
669 // this could be used elsewhere as well?
670 // FIXME: This does not work within mathed!
671 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
673 Point const p = getPos(dit, dit.boundary());
676 if (p.y_ > workHeight())
682 void BufferView::bookmarkEditPosition()
684 // Don't eat cpu time for each keystroke
685 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
688 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
692 void BufferView::saveBookmark(unsigned int idx)
694 // tentatively save bookmark, id and pos will be used to
695 // acturately locate a bookmark in a 'live' lyx session.
696 // pit and pos will be updated with bottom level pit/pos
698 theSession().bookmarks().save(
700 d->cursor_.bottom().pit(),
701 d->cursor_.bottom().pos(),
702 d->cursor_.paragraph().id(),
707 // emit message signal.
708 message(_("Save bookmark"));
712 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
713 int top_id, pos_type top_pos)
715 bool success = false;
718 d->cursor_.clearSelection();
720 // if a valid par_id is given, try it first
721 // This is the case for a 'live' bookmark when unique paragraph ID
722 // is used to track bookmarks.
724 dit = buffer_.getParFromID(top_id);
726 dit.pos() = min(dit.paragraph().size(), top_pos);
727 // Some slices of the iterator may not be
728 // reachable (e.g. closed collapsable inset)
729 // so the dociterator may need to be
730 // shortened. Otherwise, setCursor may crash
731 // lyx when the cursor can not be set to these
733 size_t const n = dit.depth();
734 for (size_t i = 0; i < n; ++i)
735 if (!dit[i].inset().editable()) {
743 // if top_id == 0, or searching through top_id failed
744 // This is the case for a 'restored' bookmark when only bottom
745 // (document level) pit was saved. Because of this, bookmark
746 // restoration is inaccurate. If a bookmark was within an inset,
747 // it will be restored to the left of the outmost inset that contains
749 if (bottom_pit < int(buffer_.paragraphs().size())) {
750 dit = doc_iterator_begin(&buffer_);
752 dit.pit() = bottom_pit;
753 dit.pos() = min(bottom_pos, dit.paragraph().size());
758 // Note: only bottom (document) level pit is set.
760 // set the current font.
761 d->cursor_.setCurrentFont();
762 // To center the screen on this new position we need the
763 // paragraph position which is computed at draw() time.
764 // So we need a redraw!
774 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
776 if (lyxrc.rtl_support) {
777 if (d->cursor_.real_current_font.isRightToLeft()) {
778 if (d->intl_.keymap == Intl::PRIMARY)
779 d->intl_.keyMapSec();
781 if (d->intl_.keymap == Intl::SECONDARY)
782 d->intl_.keyMapPrim();
786 d->intl_.getTransManager().translateAndInsert(c, t, cur);
790 int BufferView::workWidth() const
796 void BufferView::recenter()
798 showCursor(d->cursor_, true);
802 void BufferView::showCursor()
804 showCursor(d->cursor_, false);
808 void BufferView::showCursor(DocIterator const & dit, bool recenter)
810 if (scrollToCursor(dit, recenter))
815 void BufferView::scrollToCursor()
817 scrollToCursor(d->cursor_, false);
821 bool BufferView::scrollToCursor(DocIterator const & dit, bool recenter)
823 // We are not properly started yet, delay until resizing is
828 LYXERR(Debug::SCROLLING, "recentering!");
830 CursorSlice const & bot = dit.bottom();
831 TextMetrics & tm = d->text_metrics_[bot.text()];
833 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
834 int bot_pit = bot.pit();
835 if (bot_pit > max_pit) {
836 // FIXME: Why does this happen?
837 LYXERR0("bottom pit is greater that max pit: "
838 << bot_pit << " > " << max_pit);
842 if (bot_pit == tm.first().first - 1)
843 tm.newParMetricsUp();
844 else if (bot_pit == tm.last().first + 1)
845 tm.newParMetricsDown();
847 if (tm.contains(bot_pit)) {
848 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
849 LASSERT(!pm.rows().empty(), /**/);
850 // FIXME: smooth scrolling doesn't work in mathed.
851 CursorSlice const & cs = dit.innerTextSlice();
852 int offset = coordOffset(dit, dit.boundary()).y_;
853 int ypos = pm.position() + offset;
854 Dimension const & row_dim =
855 pm.getRow(cs.pos(), dit.boundary()).dimension();
858 scrolled = scroll(ypos - height_/2);
859 else if (ypos - row_dim.ascent() < 0)
860 scrolled = scrollUp(- ypos + row_dim.ascent());
861 else if (ypos + row_dim.descent() > height_)
862 scrolled = scrollDown(ypos - height_ + defaultRowHeight() );
864 // else, nothing to do, the cursor is already visible so we just return.
872 // fix inline completion position
873 if (d->inlineCompletionPos_.fixIfBroken())
874 d->inlineCompletionPos_ = DocIterator();
876 tm.redoParagraph(bot_pit);
877 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
878 int offset = coordOffset(dit, dit.boundary()).y_;
880 d->anchor_pit_ = bot_pit;
881 CursorSlice const & cs = dit.innerTextSlice();
882 Dimension const & row_dim =
883 pm.getRow(cs.pos(), dit.boundary()).dimension();
886 d->anchor_ypos_ = height_/2;
887 else if (d->anchor_pit_ == 0)
888 d->anchor_ypos_ = offset + pm.ascent();
889 else if (d->anchor_pit_ == max_pit)
890 d->anchor_ypos_ = height_ - offset - row_dim.descent();
891 else if (offset > height_)
892 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
894 d->anchor_ypos_ = defaultRowHeight() * 2;
901 void BufferView::updateLayout(DocumentClass const * const oldlayout)
903 message(_("Converting document to new document class..."));
905 StableDocIterator backcur(d->cursor_);
906 ErrorList & el = buffer_.errorList("Class Switch");
907 cap::switchBetweenClasses(
908 oldlayout, buffer_.params().documentClassPtr(),
909 static_cast<InsetText &>(buffer_.inset()), el);
911 setCursor(backcur.asDocIterator(&buffer_));
913 buffer_.errors("Class Switch");
914 buffer_.updateLabels();
918 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
920 Cursor & cur = d->cursor_;
922 switch (cmd.action) {
924 // FIXME: This is a bit problematic because we don't check is this is a
925 // document BufferView or not for these LFUNs. We probably have to
926 // dispatch both to currentBufferView() and, if that fails,
927 // to documentBufferView(); same as we do know for current Buffer and
928 // document Buffer. Ideally those LFUN should go to Buffer as they*
929 // operate on the full Buffer and the cursor is only needed either for
930 // an Undo record or to restore a cursor position. But we don't know
931 // how to do that inside Buffer of course.
932 case LFUN_BUFFER_PARAMS_APPLY:
933 case LFUN_LAYOUT_MODULES_CLEAR:
934 case LFUN_LAYOUT_MODULE_ADD:
935 case LFUN_LAYOUT_RELOAD:
936 case LFUN_TEXTCLASS_APPLY:
937 case LFUN_TEXTCLASS_LOAD:
938 flag.setEnabled(!buffer_.isReadonly());
942 flag.setEnabled(buffer_.undo().hasUndoStack());
945 flag.setEnabled(buffer_.undo().hasRedoStack());
947 case LFUN_FILE_INSERT:
948 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
949 case LFUN_FILE_INSERT_PLAINTEXT:
950 case LFUN_BOOKMARK_SAVE:
951 // FIXME: Actually, these LFUNS should be moved to Text
952 flag.setEnabled(cur.inTexted());
955 case LFUN_FONT_STATE:
956 case LFUN_LABEL_INSERT:
957 case LFUN_INFO_INSERT:
958 case LFUN_INSET_EDIT:
959 case LFUN_PARAGRAPH_GOTO:
961 case LFUN_REFERENCE_NEXT:
963 case LFUN_WORD_FIND_FORWARD:
964 case LFUN_WORD_FIND_BACKWARD:
965 case LFUN_WORD_FINDADV:
966 case LFUN_WORD_REPLACE:
969 case LFUN_MARK_TOGGLE:
970 case LFUN_SCREEN_RECENTER:
971 case LFUN_SCREEN_SHOW_CURSOR:
972 case LFUN_BIBTEX_DATABASE_ADD:
973 case LFUN_BIBTEX_DATABASE_DEL:
974 case LFUN_NOTES_MUTATE:
975 case LFUN_ALL_INSETS_TOGGLE:
976 case LFUN_STATISTICS:
977 case LFUN_BRANCH_ADD_INSERT:
978 case LFUN_KEYMAP_OFF:
979 case LFUN_KEYMAP_PRIMARY:
980 case LFUN_KEYMAP_SECONDARY:
981 case LFUN_KEYMAP_TOGGLE:
982 flag.setEnabled(true);
985 case LFUN_REGEXP_MODE:
986 // FIXME: Test if current WorkArea is the search WorkArea
987 flag.setEnabled(buffer().isInternal() && !cur.inRegexped());
990 case LFUN_LABEL_COPY_AS_REF: {
991 // if there is an inset at cursor, see whether it
993 Inset * inset = cur.nextInset();
994 if (!inset || !inset->getStatus(cur, cmd, flag))
995 flag.setEnabled(false);
999 case LFUN_NEXT_INSET_MODIFY: {
1000 // this is the real function we want to invoke
1001 FuncRequest tmpcmd = cmd;
1002 tmpcmd.action = LFUN_INSET_MODIFY;
1003 // if there is an inset at cursor, see whether it
1004 // handles the lfun, other start from scratch
1005 Inset * inset = cur.nextInset();
1006 if (!inset || !inset->getStatus(cur, tmpcmd, flag))
1007 flag = lyx::getStatus(tmpcmd);
1011 case LFUN_LABEL_GOTO: {
1012 flag.setEnabled(!cmd.argument().empty()
1013 || getInsetByCode<InsetRef>(cur, REF_CODE));
1017 case LFUN_CHANGES_TRACK:
1018 flag.setEnabled(true);
1019 flag.setOnOff(buffer_.params().trackChanges);
1022 case LFUN_CHANGES_OUTPUT:
1023 flag.setEnabled(true);
1024 flag.setOnOff(buffer_.params().outputChanges);
1027 case LFUN_CHANGES_MERGE:
1028 case LFUN_CHANGE_NEXT:
1029 case LFUN_CHANGE_PREVIOUS:
1030 case LFUN_ALL_CHANGES_ACCEPT:
1031 case LFUN_ALL_CHANGES_REJECT:
1032 // TODO: context-sensitive enabling of LFUNs
1033 // In principle, these command should only be enabled if there
1034 // is a change in the document. However, without proper
1035 // optimizations, this will inevitably result in poor performance.
1036 flag.setEnabled(true);
1039 case LFUN_BUFFER_TOGGLE_COMPRESSION: {
1040 flag.setOnOff(buffer_.params().compressed);
1044 case LFUN_SCREEN_UP:
1045 case LFUN_SCREEN_DOWN:
1047 case LFUN_SCREEN_UP_SELECT:
1048 case LFUN_SCREEN_DOWN_SELECT:
1049 flag.setEnabled(true);
1052 case LFUN_LAYOUT_TABULAR:
1053 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1057 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1060 case LFUN_LAYOUT_PARAGRAPH:
1061 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1064 case LFUN_DIALOG_SHOW_NEW_INSET:
1065 // FIXME: this is wrong, but I do not understand the
1067 if (cur.inset().lyxCode() == CAPTION_CODE)
1068 return cur.inset().getStatus(cur, cmd, flag);
1069 // FIXME we should consider passthru paragraphs too.
1070 flag.setEnabled(!cur.inset().getLayout().isPassThru());
1074 flag.setEnabled(false);
1082 bool BufferView::dispatch(FuncRequest const & cmd)
1084 //lyxerr << [ cmd = " << cmd << "]" << endl;
1086 // Make sure that the cached BufferView is correct.
1087 LYXERR(Debug::ACTION, " action[" << cmd.action << ']'
1088 << " arg[" << to_utf8(cmd.argument()) << ']'
1089 << " x[" << cmd.x << ']'
1090 << " y[" << cmd.y << ']'
1091 << " button[" << cmd.button() << ']');
1093 string const argument = to_utf8(cmd.argument());
1094 Cursor & cur = d->cursor_;
1096 // Don't dispatch function that does not apply to internal buffers.
1097 if (buffer_.isInternal() && lyxaction.funcHasFlag(cmd.action, LyXAction::NoInternal))
1100 switch (cmd.action) {
1102 case LFUN_BUFFER_PARAMS_APPLY: {
1103 DocumentClass const * const oldClass = buffer_.params().documentClassPtr();
1104 cur.recordUndoFullDocument();
1105 istringstream ss(to_utf8(cmd.argument()));
1108 int const unknown_tokens = buffer_.readHeader(lex);
1109 if (unknown_tokens != 0) {
1110 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1111 << unknown_tokens << " unknown token"
1112 << (unknown_tokens == 1 ? "" : "s"));
1114 updateLayout(oldClass);
1116 // We are most certainly here because of a change in the document
1117 // It is then better to make sure that all dialogs are in sync with
1118 // current document settings.
1119 processUpdateFlags(Update::Force | Update::FitCursor);
1123 case LFUN_LAYOUT_MODULES_CLEAR: {
1124 DocumentClass const * const oldClass =
1125 buffer_.params().documentClassPtr();
1126 cur.recordUndoFullDocument();
1127 buffer_.params().clearLayoutModules();
1128 buffer_.params().makeDocumentClass();
1129 updateLayout(oldClass);
1130 processUpdateFlags(Update::Force | Update::FitCursor);
1134 case LFUN_LAYOUT_MODULE_ADD: {
1135 BufferParams const & params = buffer_.params();
1136 if (!params.moduleCanBeAdded(argument)) {
1137 LYXERR0("Module `" << argument <<
1138 "' cannot be added due to failed requirements or "
1139 "conflicts with installed modules.");
1142 DocumentClass const * const oldClass = params.documentClassPtr();
1143 cur.recordUndoFullDocument();
1144 buffer_.params().addLayoutModule(argument);
1145 buffer_.params().makeDocumentClass();
1146 updateLayout(oldClass);
1147 processUpdateFlags(Update::Force | Update::FitCursor);
1151 case LFUN_TEXTCLASS_APPLY: {
1152 if (!LayoutFileList::get().load(argument, buffer_.temppath()) &&
1153 !LayoutFileList::get().load(argument, buffer_.filePath()))
1156 LayoutFile const * old_layout = buffer_.params().baseClass();
1157 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1159 if (old_layout == new_layout)
1163 //Save the old, possibly modular, layout for use in conversion.
1164 DocumentClass const * const oldDocClass =
1165 buffer_.params().documentClassPtr();
1166 cur.recordUndoFullDocument();
1167 buffer_.params().setBaseClass(argument);
1168 buffer_.params().makeDocumentClass();
1169 updateLayout(oldDocClass);
1170 processUpdateFlags(Update::Force | Update::FitCursor);
1174 case LFUN_TEXTCLASS_LOAD:
1175 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1176 LayoutFileList::get().load(argument, buffer_.filePath());
1179 case LFUN_LAYOUT_RELOAD: {
1180 DocumentClass const * const oldClass = buffer_.params().documentClassPtr();
1181 LayoutFileIndex bc = buffer_.params().baseClassID();
1182 LayoutFileList::get().reset(bc);
1183 buffer_.params().setBaseClass(bc);
1184 buffer_.params().makeDocumentClass();
1185 updateLayout(oldClass);
1186 processUpdateFlags(Update::Force | Update::FitCursor);
1191 cur.message(_("Undo"));
1192 cur.clearSelection();
1193 if (!cur.textUndo())
1194 cur.message(_("No further undo information"));
1196 processUpdateFlags(Update::Force | Update::FitCursor);
1200 cur.message(_("Redo"));
1201 cur.clearSelection();
1202 if (!cur.textRedo())
1203 cur.message(_("No further redo information"));
1205 processUpdateFlags(Update::Force | Update::FitCursor);
1208 case LFUN_FONT_STATE:
1209 cur.message(cur.currentState());
1212 case LFUN_BOOKMARK_SAVE:
1213 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1216 case LFUN_LABEL_GOTO: {
1217 docstring label = cmd.argument();
1218 if (label.empty()) {
1220 getInsetByCode<InsetRef>(cur, REF_CODE);
1222 label = inset->getParam("reference");
1223 // persistent=false: use temp_bookmark
1232 case LFUN_INSET_EDIT: {
1233 FuncRequest fr(cmd);
1234 // if there is an inset at cursor, see whether it
1236 Inset * inset = cur.nextInset();
1238 inset->dispatch(cur, fr);
1239 // if it did not work, try the underlying inset.
1240 if (!inset || !cur.result().dispatched())
1243 // FIXME I'm adding the last break to solve a crash,
1244 // but that is obviously not right.
1245 if (!cur.result().dispatched())
1246 // It did not work too; no action needed.
1251 case LFUN_PARAGRAPH_GOTO: {
1252 int const id = convert<int>(cmd.getArg(0));
1253 int const pos = convert<int>(cmd.getArg(1));
1255 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1256 b = theBufferList().next(b)) {
1258 DocIterator dit = b->getParFromID(id);
1260 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1264 LYXERR(Debug::INFO, "Paragraph " << dit.paragraph().id()
1265 << " found in buffer `"
1266 << b->absFileName() << "'.");
1268 if (b == &buffer_) {
1272 processUpdateFlags(Update::Force | Update::FitCursor);
1274 // Switch to other buffer view and resend cmd
1275 theLyXFunc().dispatch(FuncRequest(
1276 LFUN_BUFFER_SWITCH, b->absFileName()));
1277 theLyXFunc().dispatch(cmd);
1284 case LFUN_NOTE_NEXT:
1285 gotoInset(this, NOTE_CODE, false);
1288 case LFUN_REFERENCE_NEXT: {
1289 vector<InsetCode> tmp;
1290 tmp.push_back(LABEL_CODE);
1291 tmp.push_back(REF_CODE);
1292 gotoInset(this, tmp, true);
1296 case LFUN_CHANGES_TRACK:
1297 buffer_.params().trackChanges = !buffer_.params().trackChanges;
1300 case LFUN_CHANGES_OUTPUT:
1301 buffer_.params().outputChanges = !buffer_.params().outputChanges;
1302 if (buffer_.params().outputChanges) {
1303 bool dvipost = LaTeXFeatures::isAvailable("dvipost");
1304 bool xcolorulem = LaTeXFeatures::isAvailable("ulem") &&
1305 LaTeXFeatures::isAvailable("xcolor");
1307 if (!dvipost && !xcolorulem) {
1308 Alert::warning(_("Changes not shown in LaTeX output"),
1309 _("Changes will not be highlighted in LaTeX output, "
1310 "because neither dvipost nor xcolor/ulem are installed.\n"
1311 "Please install these packages or redefine "
1312 "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
1313 } else if (!xcolorulem) {
1314 Alert::warning(_("Changes not shown in LaTeX output"),
1315 _("Changes will not be highlighted in LaTeX output "
1316 "when using pdflatex, because xcolor and ulem are not installed.\n"
1317 "Please install both packages or redefine "
1318 "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
1323 case LFUN_CHANGE_NEXT:
1324 findNextChange(this);
1325 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1326 processUpdateFlags(Update::Force | Update::FitCursor);
1329 case LFUN_CHANGE_PREVIOUS:
1330 findPreviousChange(this);
1331 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1332 processUpdateFlags(Update::Force | Update::FitCursor);
1335 case LFUN_CHANGES_MERGE:
1336 if (findNextChange(this) || findPreviousChange(this)) {
1337 processUpdateFlags(Update::Force | Update::FitCursor);
1338 showDialog("changes");
1342 case LFUN_ALL_CHANGES_ACCEPT:
1343 // select complete document
1344 cur.reset(buffer_.inset());
1345 cur.selHandle(true);
1346 buffer_.text().cursorBottom(cur);
1347 // accept everything in a single step to support atomic undo
1348 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1349 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1350 processUpdateFlags(Update::Force | Update::FitCursor);
1353 case LFUN_ALL_CHANGES_REJECT:
1354 // select complete document
1355 cur.reset(buffer_.inset());
1356 cur.selHandle(true);
1357 buffer_.text().cursorBottom(cur);
1358 // reject everything in a single step to support atomic undo
1359 // Note: reject does not work recursively; the user may have to repeat the operation
1360 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1361 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1362 processUpdateFlags(Update::Force | Update::FitCursor);
1365 case LFUN_WORD_FIND_FORWARD:
1366 case LFUN_WORD_FIND_BACKWARD: {
1367 static docstring last_search;
1368 docstring searched_string;
1370 if (!cmd.argument().empty()) {
1371 last_search = cmd.argument();
1372 searched_string = cmd.argument();
1374 searched_string = last_search;
1377 if (searched_string.empty())
1380 bool const fw = cmd.action == LFUN_WORD_FIND_FORWARD;
1381 docstring const data =
1382 find2string(searched_string, true, false, fw);
1383 find(this, FuncRequest(LFUN_WORD_FIND, data));
1387 case LFUN_WORD_FIND: {
1388 FuncRequest req = cmd;
1389 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1390 req = d->search_request_cache_;
1391 if (req.argument().empty()) {
1392 theLyXFunc().dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1395 if (find(this, req))
1398 message(_("String not found!"));
1399 d->search_request_cache_ = req;
1403 case LFUN_WORD_REPLACE: {
1404 bool has_deleted = false;
1405 if (cur.selection()) {
1406 DocIterator beg = cur.selectionBegin();
1407 DocIterator end = cur.selectionEnd();
1408 if (beg.pit() == end.pit()) {
1409 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1410 if (cur.paragraph().isDeleted(p))
1415 replace(this, cmd, has_deleted);
1419 case LFUN_WORD_FINDADV:
1424 cur.clearSelection();
1425 cur.message(from_utf8(N_("Mark off")));
1429 cur.clearSelection();
1431 cur.message(from_utf8(N_("Mark on")));
1434 case LFUN_MARK_TOGGLE:
1435 cur.setSelection(false);
1438 cur.message(from_utf8(N_("Mark removed")));
1441 cur.message(from_utf8(N_("Mark set")));
1446 case LFUN_SCREEN_SHOW_CURSOR:
1450 case LFUN_SCREEN_RECENTER:
1454 case LFUN_BIBTEX_DATABASE_ADD: {
1455 Cursor tmpcur = cur;
1456 findInset(tmpcur, BIBTEX_CODE, false);
1457 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1460 if (inset->addDatabase(cmd.argument()))
1461 buffer_.updateBibfilesCache();
1466 case LFUN_BIBTEX_DATABASE_DEL: {
1467 Cursor tmpcur = cur;
1468 findInset(tmpcur, BIBTEX_CODE, false);
1469 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1472 if (inset->delDatabase(cmd.argument()))
1473 buffer_.updateBibfilesCache();
1478 case LFUN_STATISTICS: {
1479 DocIterator from, to;
1480 if (cur.selection()) {
1481 from = cur.selectionBegin();
1482 to = cur.selectionEnd();
1484 from = doc_iterator_begin(&buffer_);
1485 to = doc_iterator_end(&buffer_);
1487 int const words = countWords(from, to);
1488 int const chars = countChars(from, to, false);
1489 int const chars_blanks = countChars(from, to, true);
1491 if (cur.selection())
1492 message = _("Statistics for the selection:");
1494 message = _("Statistics for the document:");
1497 message += bformat(_("%1$d words"), words);
1499 message += _("One word");
1501 if (chars_blanks != 1)
1502 message += bformat(_("%1$d characters (including blanks)"),
1505 message += _("One character (including blanks)");
1508 message += bformat(_("%1$d characters (excluding blanks)"),
1511 message += _("One character (excluding blanks)");
1513 Alert::information(_("Statistics"), message);
1517 case LFUN_BUFFER_TOGGLE_COMPRESSION:
1518 // turn compression on/off
1519 buffer_.params().compressed = !buffer_.params().compressed;
1522 case LFUN_LABEL_COPY_AS_REF: {
1523 // if there is an inset at cursor, try to copy it
1524 Inset * inset = &cur.inset();
1525 if (!inset || !inset->asInsetMath())
1526 inset = cur.nextInset();
1528 FuncRequest tmpcmd = cmd;
1529 inset->dispatch(cur, tmpcmd);
1531 if (!cur.result().dispatched())
1532 // It did not work too; no action needed.
1534 cur.clearSelection();
1535 processUpdateFlags(Update::SinglePar | Update::FitCursor);
1539 case LFUN_NEXT_INSET_MODIFY: {
1540 // create the the real function we want to invoke
1541 FuncRequest tmpcmd = cmd;
1542 tmpcmd.action = LFUN_INSET_MODIFY;
1543 // if there is an inset at cursor, see whether it
1545 Inset * inset = cur.nextInset();
1548 inset->dispatch(cur, tmpcmd);
1550 // if it did not work, try the underlying inset.
1551 if (!inset || !cur.result().dispatched()) {
1553 cur.dispatch(tmpcmd);
1556 if (!cur.result().dispatched())
1557 // It did not work too; no action needed.
1559 cur.clearSelection();
1560 processUpdateFlags(Update::Force | Update::FitCursor);
1564 case LFUN_SCREEN_UP:
1565 case LFUN_SCREEN_DOWN: {
1566 Point p = getPos(cur, cur.boundary());
1567 // This code has been commented out to enable to scroll down a
1568 // document, even if there are large insets in it (see bug #5465).
1569 /*if (p.y_ < 0 || p.y_ > height_) {
1570 // The cursor is off-screen so recenter before proceeding.
1572 p = getPos(cur, cur.boundary());
1574 int const scrolled = scroll(cmd.action == LFUN_SCREEN_UP
1575 ? -height_ : height_);
1576 if (cmd.action == LFUN_SCREEN_UP && scrolled > -height_)
1578 if (cmd.action == LFUN_SCREEN_DOWN && scrolled < height_)
1579 p = Point(width_, height_);
1581 bool const in_texted = cur.inTexted();
1582 cur.reset(buffer_.inset());
1585 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1586 true, cmd.action == LFUN_SCREEN_UP);
1587 //FIXME: what to do with cur.x_target()?
1588 bool update = in_texted && cur.bv().checkDepm(cur, old);
1591 processUpdateFlags(Update::Force | Update::FitCursor);
1599 case LFUN_SCREEN_UP_SELECT: {
1600 cur.selHandle(true);
1601 if (isTopScreen()) {
1602 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1606 int y = getPos(cur, cur.boundary()).y_;
1607 int const ymin = y - height_ + defaultRowHeight();
1608 while (y > ymin && cur.up())
1609 y = getPos(cur, cur.boundary()).y_;
1612 processUpdateFlags(Update::SinglePar | Update::FitCursor);
1616 case LFUN_SCREEN_DOWN_SELECT: {
1617 cur.selHandle(true);
1618 if (isBottomScreen()) {
1619 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1623 int y = getPos(cur, cur.boundary()).y_;
1624 int const ymax = y + height_ - defaultRowHeight();
1625 while (y < ymax && cur.down())
1626 y = getPos(cur, cur.boundary()).y_;
1629 processUpdateFlags(Update::SinglePar | Update::FitCursor);
1633 // This could be rewriten using some command like forall <insetname> <command>
1634 // once the insets refactoring is done.
1635 case LFUN_NOTES_MUTATE: {
1636 if (cmd.argument().empty())
1639 if (mutateNotes(cur, cmd.getArg(0), cmd.getArg(1))) {
1640 processUpdateFlags(Update::Force);
1645 case LFUN_ALL_INSETS_TOGGLE: {
1647 string const name = split(to_utf8(cmd.argument()), action, ' ');
1648 InsetCode const inset_code = insetCode(name);
1650 FuncRequest fr(LFUN_INSET_TOGGLE, action);
1652 Inset & inset = cur.buffer()->inset();
1653 InsetIterator it = inset_iterator_begin(inset);
1654 InsetIterator const end = inset_iterator_end(inset);
1655 for (; it != end; ++it) {
1656 if (it->asInsetCollapsable()
1657 && (inset_code == NO_CODE
1658 || inset_code == it->lyxCode())) {
1659 Cursor tmpcur = cur;
1660 tmpcur.pushBackward(*it);
1661 it->dispatch(tmpcur, fr);
1664 processUpdateFlags(Update::Force | Update::FitCursor);
1668 case LFUN_BRANCH_ADD_INSERT: {
1669 docstring branch_name = from_utf8(cmd.getArg(0));
1670 if (branch_name.empty())
1671 if (!Alert::askForText(branch_name, _("Branch name")) ||
1672 branch_name.empty())
1675 DispatchResult drtmp;
1676 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
1677 if (drtmp.error()) {
1678 Alert::warning(_("Branch already exists"), drtmp.message());
1681 BranchList & branch_list = buffer_.params().branchlist();
1682 Branch const * branch = branch_list.find(branch_name);
1683 string const x11hexname = X11hexname(branch->color());
1684 docstring const str = branch_name + ' ' + from_ascii(x11hexname);
1685 lyx::dispatch(FuncRequest(LFUN_SET_COLOR, str));
1686 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch_name));
1690 case LFUN_KEYMAP_OFF:
1691 getIntl().keyMapOn(false);
1694 case LFUN_KEYMAP_PRIMARY:
1695 getIntl().keyMapPrim();
1698 case LFUN_KEYMAP_SECONDARY:
1699 getIntl().keyMapSec();
1702 case LFUN_KEYMAP_TOGGLE:
1703 getIntl().toggleKeyMap();
1714 docstring const BufferView::requestSelection()
1716 Cursor & cur = d->cursor_;
1718 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
1719 if (!cur.selection()) {
1720 d->xsel_cache_.set = false;
1724 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
1725 if (!d->xsel_cache_.set ||
1726 cur.top() != d->xsel_cache_.cursor ||
1727 cur.anchor_.top() != d->xsel_cache_.anchor)
1729 d->xsel_cache_.cursor = cur.top();
1730 d->xsel_cache_.anchor = cur.anchor_.top();
1731 d->xsel_cache_.set = cur.selection();
1732 return cur.selectionAsString(false);
1738 void BufferView::clearSelection()
1740 d->cursor_.clearSelection();
1741 // Clear the selection buffer. Otherwise a subsequent
1742 // middle-mouse-button paste would use the selection buffer,
1743 // not the more current external selection.
1744 cap::clearSelection();
1745 d->xsel_cache_.set = false;
1746 // The buffer did not really change, but this causes the
1747 // redraw we need because we cleared the selection above.
1752 void BufferView::resize(int width, int height)
1754 // Update from work area
1758 // Clear the paragraph height cache.
1759 d->par_height_.clear();
1760 // Redo the metrics.
1765 Inset const * BufferView::getCoveringInset(Text const & text,
1768 TextMetrics & tm = d->text_metrics_[&text];
1769 Inset * inset = tm.checkInsetHit(x, y);
1773 if (!inset->descendable())
1774 // No need to go further down if the inset is not
1778 size_t cell_number = inset->nargs();
1779 // Check all the inner cell.
1780 for (size_t i = 0; i != cell_number; ++i) {
1781 Text const * inner_text = inset->getText(i);
1784 Inset const * inset_deeper =
1785 getCoveringInset(*inner_text, x, y);
1787 return inset_deeper;
1795 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
1797 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
1799 // This is only called for mouse related events including
1800 // LFUN_FILE_OPEN generated by drag-and-drop.
1801 FuncRequest cmd = cmd0;
1803 Cursor old = cursor();
1805 cur.push(buffer_.inset());
1806 cur.setSelection(d->cursor_.selection());
1808 // Either the inset under the cursor or the
1809 // surrounding Text will handle this event.
1811 // make sure we stay within the screen...
1812 cmd.y = min(max(cmd.y, -1), height_);
1814 if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
1816 // Get inset under mouse, if there is one.
1817 Inset const * covering_inset =
1818 getCoveringInset(buffer_.text(), cmd.x, cmd.y);
1819 if (covering_inset == d->last_inset_)
1820 // Same inset, no need to do anything...
1823 bool need_redraw = false;
1824 // const_cast because of setMouseHover().
1825 Inset * inset = const_cast<Inset *>(covering_inset);
1827 // Remove the hint on the last hovered inset (if any).
1828 need_redraw |= d->last_inset_->setMouseHover(false);
1830 // Highlighted the newly hovered inset (if any).
1831 need_redraw |= inset->setMouseHover(true);
1832 d->last_inset_ = inset;
1836 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
1837 << cmd.x << ", " << cmd.y << ")");
1839 d->update_strategy_ = DecorationUpdate;
1841 // This event (moving without mouse click) is not passed further.
1842 // This should be changed if it is further utilized.
1847 // Build temporary cursor.
1848 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x, cmd.y);
1850 // Put anchor at the same position.
1853 cur.beginUndoGroup();
1855 // Try to dispatch to an non-editable inset near this position
1856 // via the temp cursor. If the inset wishes to change the real
1857 // cursor it has to do so explicitly by using
1858 // cur.bv().cursor() = cur; (or similar)
1860 inset->dispatch(cur, cmd);
1862 // Now dispatch to the temporary cursor. If the real cursor should
1863 // be modified, the inset's dispatch has to do so explicitly.
1864 if (!inset || !cur.result().dispatched())
1869 // Notify left insets
1872 bool badcursor = notifyCursorLeavesOrEnters(old, cur);
1874 cursor().fixIfBroken();
1877 // Do we have a selection?
1878 theSelection().haveSelection(cursor().selection());
1880 // If the command has been dispatched,
1881 if (cur.result().dispatched() || cur.result().update())
1882 processUpdateFlags(cur.result().update());
1886 void BufferView::lfunScroll(FuncRequest const & cmd)
1888 string const scroll_type = cmd.getArg(0);
1889 int const scroll_step =
1890 (scroll_type == "line") ? d->scrollbarParameters_.single_step
1891 : (scroll_type == "page") ? d->scrollbarParameters_.page_step : 0;
1892 if (scroll_step == 0)
1894 string const scroll_quantity = cmd.getArg(1);
1895 if (scroll_quantity == "up")
1896 scrollUp(scroll_step);
1897 else if (scroll_quantity == "down")
1898 scrollDown(scroll_step);
1900 int const scroll_value = convert<int>(scroll_quantity);
1902 scroll(scroll_step * scroll_value);
1909 int BufferView::minVisiblePart()
1911 return 2 * defaultRowHeight();
1915 int BufferView::scroll(int y)
1918 return scrollDown(y);
1920 return scrollUp(-y);
1925 int BufferView::scrollDown(int offset)
1927 Text * text = &buffer_.text();
1928 TextMetrics & tm = d->text_metrics_[text];
1929 int const ymax = height_ + offset;
1931 pair<pit_type, ParagraphMetrics const *> last = tm.last();
1932 int bottom_pos = last.second->position() + last.second->descent();
1933 if (lyxrc.scroll_below_document)
1934 bottom_pos += height_ - minVisiblePart();
1935 if (last.first + 1 == int(text->paragraphs().size())) {
1936 if (bottom_pos <= height_)
1938 offset = min(offset, bottom_pos - height_);
1941 if (bottom_pos > ymax)
1943 tm.newParMetricsDown();
1945 d->anchor_ypos_ -= offset;
1950 int BufferView::scrollUp(int offset)
1952 Text * text = &buffer_.text();
1953 TextMetrics & tm = d->text_metrics_[text];
1954 int ymin = - offset;
1956 pair<pit_type, ParagraphMetrics const *> first = tm.first();
1957 int top_pos = first.second->position() - first.second->ascent();
1958 if (first.first == 0) {
1961 offset = min(offset, - top_pos);
1966 tm.newParMetricsUp();
1968 d->anchor_ypos_ += offset;
1973 void BufferView::setCursorFromRow(int row)
1978 buffer_.texrow().getIdFromRow(row, tmpid, tmppos);
1980 d->cursor_.reset(buffer_.inset());
1982 buffer_.text().setCursor(d->cursor_, 0, 0);
1984 buffer_.text().setCursor(d->cursor_, buffer_.getParFromID(tmpid).pit(), tmppos);
1988 bool BufferView::setCursorFromInset(Inset const * inset)
1990 // are we already there?
1991 if (cursor().nextInset() == inset)
1994 // Inset is not at cursor position. Find it in the document.
1996 cur.reset(buffer().inset());
1997 while (cur && cur.nextInset() != inset)
2008 void BufferView::gotoLabel(docstring const & label)
2010 std::vector<Buffer const *> bufs = buffer().allRelatives();
2011 std::vector<Buffer const *>::iterator it = bufs.begin();
2012 for (; it != bufs.end(); ++it) {
2013 Buffer const * buf = *it;
2016 Toc & toc = buf->tocBackend().toc("label");
2017 TocIterator toc_it = toc.begin();
2018 TocIterator end = toc.end();
2019 for (; toc_it != end; ++toc_it) {
2020 if (label == toc_it->str()) {
2021 dispatch(toc_it->action());
2029 TextMetrics const & BufferView::textMetrics(Text const * t) const
2031 return const_cast<BufferView *>(this)->textMetrics(t);
2035 TextMetrics & BufferView::textMetrics(Text const * t)
2037 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2038 if (tmc_it == d->text_metrics_.end()) {
2039 tmc_it = d->text_metrics_.insert(
2040 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2042 return tmc_it->second;
2046 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2049 return textMetrics(t).parMetrics(pit);
2053 int BufferView::workHeight() const
2059 void BufferView::setCursor(DocIterator const & dit)
2061 d->cursor_.reset(buffer().inset());
2062 size_t const n = dit.depth();
2063 for (size_t i = 0; i < n; ++i)
2064 dit[i].inset().edit(d->cursor_, true);
2066 d->cursor_.setCursor(dit);
2067 d->cursor_.setSelection(false);
2071 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2073 // Would be wrong to delete anything if we have a selection.
2074 if (cur.selection())
2077 bool need_anchor_change = false;
2078 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
2079 need_anchor_change);
2081 if (need_anchor_change)
2089 buffer_.updateLabels();
2097 bool BufferView::mouseSetCursor(Cursor & cur, bool select)
2099 LASSERT(&cur.bv() == this, /**/);
2102 // this event will clear selection so we save selection for
2103 // persistent selection
2104 cap::saveSelection(cursor());
2106 // Has the cursor just left the inset?
2107 bool leftinset = (&d->cursor_.inset() != &cur.inset());
2109 d->cursor_.fixIfBroken();
2111 // FIXME: shift-mouse selection doesn't work well across insets.
2112 bool do_selection = select && &d->cursor_.anchor().inset() == &cur.inset();
2114 // do the dEPM magic if needed
2115 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2116 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2117 // the leftinset bool would not be necessary (badcursor instead).
2118 bool update = leftinset;
2119 if (!do_selection && d->cursor_.inTexted())
2120 update |= checkDepm(cur, d->cursor_);
2121 d->cursor_.macroModeClose();
2123 d->cursor_.resetAnchor();
2124 d->cursor_.setCursor(cur);
2125 d->cursor_.boundary(cur.boundary());
2127 d->cursor_.setSelection();
2129 d->cursor_.clearSelection();
2131 d->cursor_.finishUndo();
2132 d->cursor_.setCurrentFont();
2137 void BufferView::putSelectionAt(DocIterator const & cur,
2138 int length, bool backwards)
2140 d->cursor_.clearSelection();
2146 d->cursor_.pos() += length;
2147 d->cursor_.setSelection(d->cursor_, -length);
2149 d->cursor_.setSelection(d->cursor_, length);
2151 // Ensure a redraw happens in any case because the new selection could
2152 // possibly be on the same screen as the previous selection.
2153 processUpdateFlags(Update::Force | Update::FitCursor);
2157 Cursor & BufferView::cursor()
2163 Cursor const & BufferView::cursor() const
2169 pit_type BufferView::anchor_ref() const
2171 return d->anchor_pit_;
2175 bool BufferView::singleParUpdate()
2177 Text & buftext = buffer_.text();
2178 pit_type const bottom_pit = d->cursor_.bottom().pit();
2179 TextMetrics & tm = textMetrics(&buftext);
2180 int old_height = tm.parMetrics(bottom_pit).height();
2182 // make sure inline completion pointer is ok
2183 if (d->inlineCompletionPos_.fixIfBroken())
2184 d->inlineCompletionPos_ = DocIterator();
2186 // In Single Paragraph mode, rebreak only
2187 // the (main text, not inset!) paragraph containing the cursor.
2188 // (if this paragraph contains insets etc., rebreaking will
2189 // recursively descend)
2190 tm.redoParagraph(bottom_pit);
2191 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2192 if (pm.height() != old_height)
2193 // Paragraph height has changed so we cannot proceed to
2194 // the singlePar optimisation.
2197 d->update_strategy_ = SingleParUpdate;
2199 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2200 << " y2: " << pm.position() + pm.descent()
2201 << " pit: " << bottom_pit
2202 << " singlepar: 1");
2207 void BufferView::updateMetrics()
2209 if (height_ == 0 || width_ == 0)
2212 Text & buftext = buffer_.text();
2213 pit_type const npit = int(buftext.paragraphs().size());
2215 // Clear out the position cache in case of full screen redraw,
2216 d->coord_cache_.clear();
2218 // Clear out paragraph metrics to avoid having invalid metrics
2219 // in the cache from paragraphs not relayouted below
2220 // The complete text metrics will be redone.
2221 d->text_metrics_.clear();
2223 TextMetrics & tm = textMetrics(&buftext);
2225 // make sure inline completion pointer is ok
2226 if (d->inlineCompletionPos_.fixIfBroken())
2227 d->inlineCompletionPos_ = DocIterator();
2229 if (d->anchor_pit_ >= npit)
2230 // The anchor pit must have been deleted...
2231 d->anchor_pit_ = npit - 1;
2233 // Rebreak anchor paragraph.
2234 tm.redoParagraph(d->anchor_pit_);
2235 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2238 if (d->anchor_pit_ == 0) {
2239 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2241 // Complete buffer visible? Then it's easy.
2242 if (scrollRange == 0)
2243 d->anchor_ypos_ = anchor_pm.ascent();
2245 // FIXME: Some clever handling needed to show
2246 // the _first_ paragraph up to the top if the cursor is
2247 // in the first line.
2249 anchor_pm.setPosition(d->anchor_ypos_);
2251 LYXERR(Debug::PAINTING, "metrics: "
2252 << " anchor pit = " << d->anchor_pit_
2253 << " anchor ypos = " << d->anchor_ypos_);
2255 // Redo paragraphs above anchor if necessary.
2256 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2257 // We are now just above the anchor paragraph.
2258 pit_type pit1 = d->anchor_pit_ - 1;
2259 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2260 tm.redoParagraph(pit1);
2261 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2263 // Save the paragraph position in the cache.
2268 // Redo paragraphs below the anchor if necessary.
2269 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2270 // We are now just below the anchor paragraph.
2271 pit_type pit2 = d->anchor_pit_ + 1;
2272 for (; pit2 < npit && y2 <= height_; ++pit2) {
2273 tm.redoParagraph(pit2);
2274 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2276 // Save the paragraph position in the cache.
2281 LYXERR(Debug::PAINTING, "Metrics: "
2282 << " anchor pit = " << d->anchor_pit_
2283 << " anchor ypos = " << d->anchor_ypos_
2286 << " pit1 = " << pit1
2287 << " pit2 = " << pit2);
2289 d->update_strategy_ = FullScreenUpdate;
2291 if (lyxerr.debugging(Debug::WORKAREA)) {
2292 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2293 d->coord_cache_.dump();
2298 void BufferView::insertLyXFile(FileName const & fname)
2300 LASSERT(d->cursor_.inTexted(), /**/);
2302 // Get absolute path of file and add ".lyx"
2303 // to the filename if necessary
2304 FileName filename = fileSearch(string(), fname.absFilename(), "lyx");
2306 docstring const disp_fn = makeDisplayPath(filename.absFilename());
2307 // emit message signal.
2308 message(bformat(_("Inserting document %1$s..."), disp_fn));
2311 Buffer buf("", false);
2312 if (buf.loadLyXFile(filename)) {
2313 ErrorList & el = buffer_.errorList("Parse");
2314 // Copy the inserted document error list into the current buffer one.
2315 el = buf.errorList("Parse");
2316 buffer_.undo().recordUndo(d->cursor_);
2317 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2318 buf.params().documentClassPtr(), el);
2319 res = _("Document %1$s inserted.");
2321 res = _("Could not insert document %1$s");
2326 // emit message signal.
2327 message(bformat(res, disp_fn));
2328 buffer_.errors("Parse");
2332 Point BufferView::coordOffset(DocIterator const & dit, bool boundary) const
2338 // Addup contribution of nested insets, from inside to outside,
2339 // keeping the outer paragraph for a special handling below
2340 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2341 CursorSlice const & sl = dit[i];
2345 // get relative position inside sl.inset()
2346 sl.inset().cursorPos(*this, sl, boundary && (i + 1 == dit.depth()), xx, yy);
2348 // Make relative position inside of the edited inset relative to sl.inset()
2352 // In case of an RTL inset, the edited inset will be positioned to the left
2355 bool boundary_i = boundary && i + 1 == dit.depth();
2356 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2361 // remember width for the case that sl.inset() is positioned in an RTL inset
2362 if (i && dit[i - 1].text()) {
2363 // If this Inset is inside a Text Inset, retrieve the Dimension
2364 // from the containing text instead of using Inset::dimension() which
2365 // might not be implemented.
2366 // FIXME (Abdel 23/09/2007): this is a bit messy because of the
2367 // elimination of Inset::dim_ cache. This coordOffset() method needs
2368 // to be rewritten in light of the new design.
2369 Dimension const & dim = parMetrics(dit[i - 1].text(),
2370 dit[i - 1].pit()).insetDimension(&sl.inset());
2373 Dimension const dim = sl.inset().dimension(*this);
2377 //lyxerr << "Cursor::getPos, i: "
2378 // << i << " x: " << xx << " y: " << y << endl;
2381 // Add contribution of initial rows of outermost paragraph
2382 CursorSlice const & sl = dit[0];
2383 TextMetrics const & tm = textMetrics(sl.text());
2384 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2385 LASSERT(!pm.rows().empty(), /**/);
2386 y -= pm.rows()[0].ascent();
2388 // FIXME: document this mess
2390 if (sl.pos() > 0 && dit.depth() == 1) {
2392 if (pos && boundary)
2394 // lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2395 rend = pm.pos2row(pos);
2397 rend = pm.pos2row(sl.pos());
2399 size_t rend = pm.pos2row(sl.pos());
2401 for (size_t rit = 0; rit != rend; ++rit)
2402 y += pm.rows()[rit].height();
2403 y += pm.rows()[rend].ascent();
2405 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2407 // Make relative position from the nested inset now bufferview absolute.
2408 int xx = bottom_tm.cursorX(dit.bottom(), boundary && dit.depth() == 1);
2411 // In the RTL case place the nested inset at the left of the cursor in
2412 // the outer paragraph
2413 bool boundary_1 = boundary && 1 == dit.depth();
2414 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2422 Point BufferView::getPos(DocIterator const & dit, bool boundary) const
2424 if (!paragraphVisible(dit))
2425 return Point(-1, -1);
2427 CursorSlice const & bot = dit.bottom();
2428 TextMetrics const & tm = textMetrics(bot.text());
2430 Point p = coordOffset(dit, boundary); // offset from outer paragraph
2431 p.y_ += tm.parMetrics(bot.pit()).position();
2436 bool BufferView::paragraphVisible(DocIterator const & dit) const
2438 CursorSlice const & bot = dit.bottom();
2439 TextMetrics const & tm = textMetrics(bot.text());
2441 return tm.contains(bot.pit());
2445 void BufferView::cursorPosAndHeight(Point & p, int & h) const
2447 Cursor const & cur = cursor();
2448 Font const font = cur.getFont();
2449 frontend::FontMetrics const & fm = theFontMetrics(font);
2450 int const asc = fm.maxAscent();
2451 int const des = fm.maxDescent();
2453 p = getPos(cur, cur.boundary());
2458 bool BufferView::cursorInView(Point const & p, int h) const
2460 Cursor const & cur = cursor();
2461 // does the cursor touch the screen ?
2462 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
2468 void BufferView::draw(frontend::Painter & pain)
2470 if (height_ == 0 || width_ == 0)
2472 LYXERR(Debug::PAINTING, "\t\t*** START DRAWING ***");
2474 Text & text = buffer_.text();
2475 TextMetrics const & tm = d->text_metrics_[&text];
2476 int const y = tm.first().second->position();
2477 PainterInfo pi(this, pain);
2479 switch (d->update_strategy_) {
2481 case NoScreenUpdate:
2482 // If no screen painting is actually needed, only some the different
2483 // coordinates of insets and paragraphs needs to be updated.
2484 pi.full_repaint = true;
2485 pi.pain.setDrawingEnabled(false);
2489 case SingleParUpdate:
2490 pi.full_repaint = false;
2491 // In general, only the current row of the outermost paragraph
2492 // will be redrawn. Particular cases where selection spans
2493 // multiple paragraph are correctly detected in TextMetrics.
2497 case DecorationUpdate:
2498 // FIXME: We should also distinguish DecorationUpdate to avoid text
2499 // drawing if possible. This is not possible to do easily right now
2500 // because of the single backing pixmap.
2502 case FullScreenUpdate:
2503 // The whole screen, including insets, will be refreshed.
2504 pi.full_repaint = true;
2506 // Clear background.
2507 pain.fillRectangle(0, 0, width_, height_,
2508 pi.backgroundColor(&buffer_.inset()));
2513 // and possibly grey out below
2514 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
2515 int const y2 = lastpm.second->position() + lastpm.second->descent();
2518 Color color = buffer().isInternal()
2519 ? Color_background : Color_bottomarea;
2520 pain.fillRectangle(0, y2, width_, height_ - y2, color);
2524 LYXERR(Debug::PAINTING, "\n\t\t*** END DRAWING ***");
2526 // The scrollbar needs an update.
2529 // Normalize anchor for next time
2530 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
2531 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
2532 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
2533 ParagraphMetrics const & pm = tm.parMetrics(pit);
2534 if (pm.position() + pm.descent() > 0) {
2535 d->anchor_pit_ = pit;
2536 d->anchor_ypos_ = pm.position();
2540 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
2541 << " anchor ypos = " << d->anchor_ypos_);
2545 void BufferView::message(docstring const & msg)
2548 d->gui_->message(msg);
2552 void BufferView::showDialog(string const & name)
2555 d->gui_->showDialog(name, string());
2559 void BufferView::showDialog(string const & name,
2560 string const & data, Inset * inset)
2563 d->gui_->showDialog(name, data, inset);
2567 void BufferView::updateDialog(string const & name, string const & data)
2570 d->gui_->updateDialog(name, data);
2574 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
2580 // FIXME: Move this out of BufferView again
2581 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
2583 if (!fname.isReadableFile()) {
2584 docstring const error = from_ascii(strerror(errno));
2585 docstring const file = makeDisplayPath(fname.absFilename(), 50);
2586 docstring const text =
2587 bformat(_("Could not read the specified document\n"
2588 "%1$s\ndue to the error: %2$s"), file, error);
2589 Alert::error(_("Could not read file"), text);
2593 if (!fname.isReadableFile()) {
2594 docstring const file = makeDisplayPath(fname.absFilename(), 50);
2595 docstring const text =
2596 bformat(_("%1$s\n is not readable."), file);
2597 Alert::error(_("Could not open file"), text);
2601 // FIXME UNICODE: We don't know the encoding of the file
2602 docstring file_content = fname.fileContents("UTF-8");
2603 if (file_content.empty()) {
2604 Alert::error(_("Reading not UTF-8 encoded file"),
2605 _("The file is not UTF-8 encoded.\n"
2606 "It will be read as local 8Bit-encoded.\n"
2607 "If this does not give the correct result\n"
2608 "then please change the encoding of the file\n"
2609 "to UTF-8 with a program other than LyX.\n"));
2610 file_content = fname.fileContents("local8bit");
2613 return normalize_c(file_content);
2617 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
2619 docstring const tmpstr = contentsOfPlaintextFile(f);
2624 Cursor & cur = cursor();
2625 cap::replaceSelection(cur);
2626 buffer_.undo().recordUndo(cur);
2628 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
2630 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
2637 docstring const & BufferView::inlineCompletion() const
2639 return d->inlineCompletion_;
2643 size_t const & BufferView::inlineCompletionUniqueChars() const
2645 return d->inlineCompletionUniqueChars_;
2649 DocIterator const & BufferView::inlineCompletionPos() const
2651 return d->inlineCompletionPos_;
2655 bool samePar(DocIterator const & a, DocIterator const & b)
2657 if (a.empty() && b.empty())
2659 if (a.empty() || b.empty())
2661 if (a.depth() != b.depth())
2663 return &a.innerParagraph() == &b.innerParagraph();
2667 void BufferView::setInlineCompletion(Cursor & cur, DocIterator const & pos,
2668 docstring const & completion, size_t uniqueChars)
2670 uniqueChars = min(completion.size(), uniqueChars);
2671 bool changed = d->inlineCompletion_ != completion
2672 || d->inlineCompletionUniqueChars_ != uniqueChars;
2673 bool singlePar = true;
2674 d->inlineCompletion_ = completion;
2675 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
2677 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
2680 DocIterator const & old = d->inlineCompletionPos_;
2682 //lyxerr << "inlineCompletionPos changed" << std::endl;
2683 // old or pos are in another paragraph?
2684 if ((!samePar(cur, pos) && !pos.empty())
2685 || (!samePar(cur, old) && !old.empty())) {
2687 //lyxerr << "different paragraph" << std::endl;
2689 d->inlineCompletionPos_ = pos;
2694 if (singlePar && !(cur.disp_.update() & Update::Force))
2695 cur.updateFlags(cur.disp_.update() | Update::SinglePar);
2697 cur.updateFlags(cur.disp_.update() | Update::Force);