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"
41 #include "LyXAction.h"
45 #include "MetricsInfo.h"
46 #include "Paragraph.h"
47 #include "ParagraphParameters.h"
48 #include "ParIterator.h"
49 #include "RowPainter.h"
52 #include "TextClass.h"
53 #include "TextMetrics.h"
55 #include "TocBackend.h"
56 #include "WordLangTuple.h"
58 #include "insets/InsetBibtex.h"
59 #include "insets/InsetCitation.h"
60 #include "insets/InsetCommand.h" // ChangeRefs
61 #include "insets/InsetExternal.h"
62 #include "insets/InsetGraphics.h"
63 #include "insets/InsetNote.h"
64 #include "insets/InsetRef.h"
65 #include "insets/InsetText.h"
67 #include "mathed/MathData.h"
68 #include "mathed/InsetMathNest.h"
70 #include "frontends/alert.h"
71 #include "frontends/Application.h"
72 #include "frontends/Delegates.h"
73 #include "frontends/FontMetrics.h"
74 #include "frontends/NullPainter.h"
75 #include "frontends/Painter.h"
76 #include "frontends/Selection.h"
78 #include "support/convert.h"
79 #include "support/debug.h"
80 #include "support/ExceptionMessage.h"
81 #include "support/filetools.h"
82 #include "support/gettext.h"
83 #include "support/lassert.h"
84 #include "support/lstrings.h"
85 #include "support/Package.h"
86 #include "support/types.h"
96 using namespace lyx::support;
100 namespace Alert = frontend::Alert;
104 /// Return an inset of this class if it exists at the current cursor position
106 T * getInsetByCode(Cursor const & cur, InsetCode code)
108 DocIterator it = cur;
109 Inset * inset = it.nextInset();
110 if (inset && inset->lyxCode() == code)
111 return static_cast<T*>(inset);
116 /// Note that comparing contents can only be used for InsetCommand
117 bool findNextInset(DocIterator & dit, vector<InsetCode> const & codes,
118 docstring const & contents)
120 DocIterator tmpdit = dit;
123 Inset const * inset = tmpdit.nextInset();
125 bool const valid_code = std::find(codes.begin(), codes.end(),
126 inset->lyxCode()) != codes.end();
127 InsetCommand const * ic = inset->asInsetCommand();
128 bool const same_or_no_contents = contents.empty()
129 || (ic && (ic->getFirstNonOptParam() == contents));
131 if (valid_code && same_or_no_contents) {
136 tmpdit.forwardInset();
143 /// Looks for next inset with one of the given codes.
144 /// Note that same_content can only be used for InsetCommand
145 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
149 DocIterator tmpdit = dit;
150 tmpdit.forwardInset();
154 Inset const * inset = tmpdit.nextInset();
155 if (same_content && inset) {
156 InsetCommand const * ic = inset->asInsetCommand();
158 bool const valid_code = std::find(codes.begin(), codes.end(),
159 ic->lyxCode()) != codes.end();
161 contents = ic->getFirstNonOptParam();
165 if (!findNextInset(tmpdit, codes, contents)) {
166 if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
167 Inset * inset = &tmpdit.bottom().inset();
168 tmpdit = doc_iterator_begin(&inset->buffer(), inset);
169 if (!findNextInset(tmpdit, codes, contents))
181 /// Looks for next inset with the given code
182 void findInset(DocIterator & dit, InsetCode code, bool same_content)
184 findInset(dit, vector<InsetCode>(1, code), same_content);
188 /// Moves cursor to the next inset with one of the given codes.
189 void gotoInset(BufferView * bv, vector<InsetCode> const & codes,
192 Cursor tmpcur = bv->cursor();
193 if (!findInset(tmpcur, codes, same_content)) {
194 bv->cursor().message(_("No more insets"));
198 tmpcur.clearSelection();
199 bv->setCursor(tmpcur);
204 /// Moves cursor to the next inset with given code.
205 void gotoInset(BufferView * bv, InsetCode code, bool same_content)
207 gotoInset(bv, vector<InsetCode>(1, code), same_content);
211 /// A map from a Text to the associated text metrics
212 typedef map<Text const *, TextMetrics> TextMetricsCache;
214 enum ScreenUpdateStrategy {
224 /////////////////////////////////////////////////////////////////////
228 /////////////////////////////////////////////////////////////////////
230 struct BufferView::Private
232 Private(BufferView & bv) :
233 update_strategy_(FullScreenUpdate),
234 update_flags_(Update::Force),
236 anchor_pit_(0), anchor_ypos_(0),
237 inlineCompletionUniqueChars_(0),
238 last_inset_(0), clickable_inset_(false),
239 mouse_position_cache_(),
240 bookmark_edit_position_(-1), gui_(0),
241 horiz_scroll_offset_(0),
242 caret_ascent_(0), caret_descent_(0)
244 xsel_cache_.set = false;
248 ScrollbarParameters scrollbarParameters_;
250 ScreenUpdateStrategy update_strategy_;
252 Update::flags update_flags_;
254 CoordCache coord_cache_;
256 /// Estimated average par height for scrollbar.
258 /// this is used to handle XSelection events in the right manner.
267 pit_type anchor_pit_;
271 vector<int> par_height_;
274 DocIterator inlineCompletionPos_;
276 docstring inlineCompletion_;
278 size_t inlineCompletionUniqueChars_;
280 /// keyboard mapping object.
283 /// last visited inset.
284 /** kept to send setMouseHover(false).
285 * Not owned, so don't delete.
287 Inset const * last_inset_;
288 /// are we hovering something that we can click
289 bool clickable_inset_;
291 /// position of the mouse at the time of the last mouse move
292 /// This is used to update the hovering status of inset in
293 /// cases where the buffer is scrolled, but the mouse didn't move.
294 Point mouse_position_cache_;
296 // cache for id of the paragraph which was edited the last time
297 int bookmark_edit_position_;
299 mutable TextMetricsCache text_metrics_;
302 /** Not owned, so don't delete.
304 frontend::GuiBufferViewDelegate * gui_;
306 /// Cache for Find Next
307 FuncRequest search_request_cache_;
310 map<string, Inset *> edited_insets_;
312 /// When the row where the cursor lies is scrolled, this
313 /// contains the scroll offset
314 int horiz_scroll_offset_;
315 /// a slice pointing to the start of the row where the cursor
316 /// is (at last draw time)
317 CursorSlice current_row_slice_;
318 /// a slice pointing to the start of the row where cursor was
319 /// at previous draw event
320 CursorSlice last_row_slice_;
322 // The vertical size of the blinking caret. Only used for math
323 // Using it for text could be bad when undo restores the cursor
324 // current font, since the caret size could become wrong.
330 BufferView::BufferView(Buffer & buf)
331 : width_(0), height_(0), full_screen_(false), buffer_(buf),
332 d(new Private(*this))
334 d->xsel_cache_.set = false;
335 d->intl_.initKeyMapper(lyxrc.use_kbmap);
337 d->cursor_.setBuffer(&buf);
338 d->cursor_.push(buffer_.inset());
339 d->cursor_.resetAnchor();
340 d->cursor_.setCurrentFont();
342 buffer_.updatePreviews();
346 BufferView::~BufferView()
348 // current buffer is going to be switched-off, save cursor pos
349 // Ideally, the whole cursor stack should be saved, but session
350 // currently can only handle bottom (whole document) level pit and pos.
351 // That is to say, if a cursor is in a nested inset, it will be
352 // restore to the left of the top level inset.
353 LastFilePosSection::FilePos fp;
354 fp.pit = d->cursor_.bottom().pit();
355 fp.pos = d->cursor_.bottom().pos();
356 theSession().lastFilePos().save(buffer_.fileName(), fp);
359 d->last_inset_->setMouseHover(this, false);
365 int BufferView::rightMargin() const
367 // The value used to be hardcoded to 10, which is 0.1in at 100dpi
368 int const default_margin = Length(0.1, Length::IN).inPixels(0);
369 // The additional test for the case the outliner is opened.
370 if (!full_screen_ || !lyxrc.full_screen_limit
371 || width_ < lyxrc.full_screen_width + 2 * default_margin)
372 return default_margin;
374 return (width_ - lyxrc.full_screen_width) / 2;
378 int BufferView::leftMargin() const
380 return rightMargin();
384 int BufferView::inPixels(Length const & len) const
386 Font const font = buffer().params().getFont();
387 return len.inPixels(workWidth(), theFontMetrics(font).em());
391 bool BufferView::isTopScreen() const
393 return 0 == d->scrollbarParameters_.min;
397 bool BufferView::isBottomScreen() const
399 return 0 == d->scrollbarParameters_.max;
403 Intl & BufferView::getIntl()
409 Intl const & BufferView::getIntl() const
415 CoordCache & BufferView::coordCache()
417 return d->coord_cache_;
421 CoordCache const & BufferView::coordCache() const
423 return d->coord_cache_;
427 Buffer & BufferView::buffer()
433 Buffer const & BufferView::buffer() const
439 bool BufferView::needsFitCursor() const
441 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
442 frontend::FontMetrics const & fm =
443 theFontMetrics(d->cursor_.getFont().fontInfo());
444 int const asc = fm.maxAscent();
445 int const des = fm.maxDescent();
446 Point const p = getPos(d->cursor_);
447 if (p.y_ - asc >= 0 && p.y_ + des < height_)
456 // this is for debugging only.
457 string flagsAsString(Update::flags flags)
459 if (flags == Update::None)
461 return string((flags & Update::FitCursor) ? "FitCursor " : "")
462 + ((flags & Update::Force) ? "Force " : "")
463 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
464 + ((flags & Update::SinglePar) ? "SinglePar " : "")
465 + ((flags & Update::Decoration) ? "Decoration " : "");
470 void BufferView::processUpdateFlags(Update::flags flags)
472 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
473 << flagsAsString(flags) << ") buffer: " << &buffer_);
475 // Case when no explicit update is requested.
476 if (flags == Update::None)
479 /* FIXME We would like to avoid doing this here, since it is very
480 * expensive and is called in updateBuffer already. However, even
481 * inserting a plain character can invalidate the overly fragile
482 * tables of child documents built by updateMacros. Some work is
483 * needed to avoid doing that when not necessary.
485 buffer_.updateMacros();
487 // SinglePar is ignored for now (this should probably change). We
488 // set it ourselves below, at the price of always rebreaking the
489 // paragraph at cursor. This can be expensive for large tables.
490 flags = flags & ~Update::SinglePar;
492 // First check whether the metrics and inset positions should be updated
493 if (flags & Update::Force) {
494 // This will update the CoordCache items and replace Force
495 // with ForceDraw in flags.
496 updateMetrics(flags);
499 // Detect whether we can only repaint a single paragraph.
500 // We handle this before FitCursor because the later will require
501 // correct metrics at cursor position.
502 if (!(flags & Update::ForceDraw)) {
503 if (singleParUpdate())
504 flags = flags | Update::SinglePar;
506 updateMetrics(flags);
509 // Then make sure that the screen contains the cursor if needed
510 if (flags & Update::FitCursor) {
511 if (needsFitCursor()) {
512 scrollToCursor(d->cursor_, false);
513 // Metrics have to be recomputed (maybe again)
514 updateMetrics(flags);
516 flags = flags & ~Update::FitCursor;
519 // Add flags to the the update flags. These will be reset to None
520 // after the redraw is actually done
521 d->update_flags_ = d->update_flags_ | flags;
522 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
524 // Now compute the update strategy
525 // Possibly values in flag are None, Decoration, ForceDraw
526 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
527 | Update::Decoration | Update::ForceDraw)) == 0);
529 if (d->update_flags_ & Update::ForceDraw)
530 d->update_strategy_ = FullScreenUpdate;
531 else if (d->update_flags_ & Update::Decoration)
532 d->update_strategy_ = DecorationUpdate;
533 else if (d->update_flags_ & Update::SinglePar)
534 d->update_strategy_ = SingleParUpdate;
536 // no need to redraw anything.
537 d->update_strategy_ = NoScreenUpdate;
540 updateHoveredInset();
543 buffer_.changed(false);
547 void BufferView::updateScrollbar()
549 if (height_ == 0 && width_ == 0)
552 // We prefer fixed size line scrolling.
553 d->scrollbarParameters_.single_step = defaultRowHeight();
554 // We prefer full screen page scrolling.
555 d->scrollbarParameters_.page_step = height_;
557 Text & t = buffer_.text();
558 TextMetrics & tm = d->text_metrics_[&t];
560 LYXERR(Debug::GUI, " Updating scrollbar: height: "
561 << t.paragraphs().size()
562 << " curr par: " << d->cursor_.bottom().pit()
563 << " default height " << defaultRowHeight());
565 size_t const parsize = t.paragraphs().size();
566 if (d->par_height_.size() != parsize) {
567 d->par_height_.clear();
568 // FIXME: We assume a default paragraph height of 2 rows. This
569 // should probably be pondered with the screen width.
570 d->par_height_.resize(parsize, defaultRowHeight() * 2);
573 // Look at paragraph heights on-screen
574 pair<pit_type, ParagraphMetrics const *> first = tm.first();
575 pair<pit_type, ParagraphMetrics const *> last = tm.last();
576 for (pit_type pit = first.first; pit <= last.first; ++pit) {
577 d->par_height_[pit] = tm.parMetrics(pit).height();
578 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
579 << d->par_height_[pit]);
582 int top_pos = first.second->position() - first.second->ascent();
583 int bottom_pos = last.second->position() + last.second->descent();
584 bool first_visible = first.first == 0 && top_pos >= 0;
585 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
586 if (first_visible && last_visible) {
587 d->scrollbarParameters_.min = 0;
588 d->scrollbarParameters_.max = 0;
592 d->scrollbarParameters_.min = top_pos;
593 for (size_t i = 0; i != size_t(first.first); ++i)
594 d->scrollbarParameters_.min -= d->par_height_[i];
595 d->scrollbarParameters_.max = bottom_pos;
596 for (size_t i = last.first + 1; i != parsize; ++i)
597 d->scrollbarParameters_.max += d->par_height_[i];
599 // The reference is the top position so we remove one page.
600 if (lyxrc.scroll_below_document)
601 d->scrollbarParameters_.max -= minVisiblePart();
603 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
605 // 0 must be inside the range as it denotes the current position
606 if (d->scrollbarParameters_.max < 0)
607 d->scrollbarParameters_.max = 0;
608 if (d->scrollbarParameters_.min > 0)
609 d->scrollbarParameters_.min = 0;
613 ScrollbarParameters const & BufferView::scrollbarParameters() const
615 return d->scrollbarParameters_;
619 docstring BufferView::toolTip(int x, int y) const
621 // Get inset under mouse, if there is one.
622 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
624 // No inset, no tooltip...
626 return covering_inset->toolTip(*this, x, y);
630 string BufferView::contextMenu(int x, int y) const
632 //If there is a selection, return the containing inset menu
633 if (d->cursor_.selection())
634 return d->cursor_.inset().contextMenu(*this, x, y);
636 // Get inset under mouse, if there is one.
637 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
639 return covering_inset->contextMenu(*this, x, y);
641 return buffer_.inset().contextMenu(*this, x, y);
646 void BufferView::scrollDocView(int const value, bool update)
648 // The scrollbar values are relative to the top of the screen, therefore the
649 // offset is equal to the target value.
651 // No scrolling at all? No need to redraw anything
655 // If the offset is less than 2 screen height, prefer to scroll instead.
656 if (abs(value) <= 2 * height_) {
657 d->anchor_ypos_ -= value;
658 processUpdateFlags(Update::Force);
662 // cut off at the top
663 if (value <= d->scrollbarParameters_.min) {
664 DocIterator dit = doc_iterator_begin(&buffer_);
665 showCursor(dit, false, update);
666 LYXERR(Debug::SCROLLING, "scroll to top");
670 // cut off at the bottom
671 if (value >= d->scrollbarParameters_.max) {
672 DocIterator dit = doc_iterator_end(&buffer_);
674 showCursor(dit, false, update);
675 LYXERR(Debug::SCROLLING, "scroll to bottom");
679 // find paragraph at target position
680 int par_pos = d->scrollbarParameters_.min;
682 for (; i != int(d->par_height_.size()); ++i) {
683 par_pos += d->par_height_[i];
684 if (par_pos >= value)
688 if (par_pos < value) {
689 // It seems we didn't find the correct pit so stay on the safe side and
691 LYXERR0("scrolling position not found!");
692 scrollDocView(d->scrollbarParameters_.max, update);
696 DocIterator dit = doc_iterator_begin(&buffer_);
698 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
699 showCursor(dit, false, update);
703 // FIXME: this method is not working well.
704 void BufferView::setCursorFromScrollbar()
706 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
708 int const height = 2 * defaultRowHeight();
709 int const first = height;
710 int const last = height_ - height;
712 Cursor const & oldcur = d->cursor_;
714 switch (cursorStatus(oldcur)) {
722 int const y = getPos(oldcur).y_;
723 newy = min(last, max(y, first));
727 // We reset the cursor because cursorStatus() does not
728 // work when the cursor is within mathed.
731 tm.setCursorFromCoordinates(cur, 0, newy);
733 // update the bufferview cursor and notify insets
734 // FIXME: Care about the d->cursor_ flags to redraw if needed
735 Cursor old = d->cursor_;
737 // the DEPM call in mouseSetCursor() might have destroyed the
738 // paragraph the cursor is in.
739 bool badcursor = old.fixIfBroken();
740 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
742 d->cursor_.fixIfBroken();
746 Change const BufferView::getCurrentChange() const
748 if (!d->cursor_.selection())
749 return Change(Change::UNCHANGED);
751 DocIterator dit = d->cursor_.selectionBegin();
752 // The selected content might have been changed (see #7685)
753 dit = dit.getInnerText();
754 return dit.paragraph().lookupChange(dit.pos());
758 // this could be used elsewhere as well?
759 // FIXME: This does not work within mathed!
760 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
762 Point const p = getPos(dit);
765 if (p.y_ > workHeight())
771 void BufferView::bookmarkEditPosition()
773 // Don't eat cpu time for each keystroke
774 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
777 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
781 void BufferView::saveBookmark(unsigned int idx)
783 // tentatively save bookmark, id and pos will be used to
784 // acturately locate a bookmark in a 'live' lyx session.
785 // pit and pos will be updated with bottom level pit/pos
787 if (!buffer_.isInternal()) {
788 theSession().bookmarks().save(
790 d->cursor_.bottom().pit(),
791 d->cursor_.bottom().pos(),
792 d->cursor_.paragraph().id(),
797 // emit message signal.
798 message(_("Save bookmark"));
803 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
804 int top_id, pos_type top_pos)
806 bool success = false;
809 d->cursor_.clearSelection();
811 // if a valid par_id is given, try it first
812 // This is the case for a 'live' bookmark when unique paragraph ID
813 // is used to track bookmarks.
815 dit = buffer_.getParFromID(top_id);
817 dit.pos() = min(dit.paragraph().size(), top_pos);
818 // Some slices of the iterator may not be
819 // reachable (e.g. closed collapsible inset)
820 // so the dociterator may need to be
821 // shortened. Otherwise, setCursor may crash
822 // lyx when the cursor can not be set to these
824 size_t const n = dit.depth();
825 for (size_t i = 0; i < n; ++i)
826 if (!dit[i].inset().editable()) {
834 // if top_id == 0, or searching through top_id failed
835 // This is the case for a 'restored' bookmark when only bottom
836 // (document level) pit was saved. Because of this, bookmark
837 // restoration is inaccurate. If a bookmark was within an inset,
838 // it will be restored to the left of the outmost inset that contains
840 if (bottom_pit < int(buffer_.paragraphs().size())) {
841 dit = doc_iterator_begin(&buffer_);
843 dit.pit() = bottom_pit;
844 dit.pos() = min(bottom_pos, dit.paragraph().size());
849 // Note: only bottom (document) level pit is set.
851 // set the current font.
852 d->cursor_.setCurrentFont();
853 // Do not forget to reset the anchor (see #9912)
854 d->cursor_.resetAnchor();
855 processUpdateFlags(Update::Force | Update::FitCursor);
862 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
864 if (d->cursor_.real_current_font.isRightToLeft()) {
865 if (d->intl_.keymap == Intl::PRIMARY)
866 d->intl_.keyMapSec();
868 if (d->intl_.keymap == Intl::SECONDARY)
869 d->intl_.keyMapPrim();
872 d->intl_.getTransManager().translateAndInsert(c, t, cur);
876 int BufferView::workWidth() const
882 void BufferView::recenter()
884 showCursor(d->cursor_, true, true);
888 void BufferView::showCursor()
890 showCursor(d->cursor_, false, true);
894 void BufferView::showCursor(DocIterator const & dit,
895 bool recenter, bool update)
897 if (scrollToCursor(dit, recenter) && update)
898 processUpdateFlags(Update::Force);
902 void BufferView::scrollToCursor()
904 if (scrollToCursor(d->cursor_, false))
905 processUpdateFlags(Update::Force);
909 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
911 // We are not properly started yet, delay until resizing is
916 LYXERR(Debug::SCROLLING, "recentering!");
918 CursorSlice const & bot = dit.bottom();
919 TextMetrics & tm = d->text_metrics_[bot.text()];
921 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
922 int bot_pit = bot.pit();
923 if (bot_pit > max_pit) {
924 // FIXME: Why does this happen?
925 LYXERR0("bottom pit is greater that max pit: "
926 << bot_pit << " > " << max_pit);
930 if (bot_pit == tm.first().first - 1)
931 tm.newParMetricsUp();
932 else if (bot_pit == tm.last().first + 1)
933 tm.newParMetricsDown();
935 if (tm.contains(bot_pit)) {
936 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
937 LBUFERR(!pm.rows().empty());
938 // FIXME: smooth scrolling doesn't work in mathed.
939 CursorSlice const & cs = dit.innerTextSlice();
940 int offset = coordOffset(dit).y_;
941 int ypos = pm.position() + offset;
942 Dimension const & row_dim =
943 pm.getRow(cs.pos(), dit.boundary()).dimension();
946 scrolled = scroll(ypos - height_/2);
948 // We try to visualize the whole row, if the row height is larger than
949 // the screen height, we scroll to a heuristic value of height_ / 4.
950 // FIXME: This heuristic value should be replaced by a recursive search
951 // for a row in the inset that can be visualized completely.
952 else if (row_dim.height() > height_) {
953 if (ypos < defaultRowHeight())
954 scrolled = scroll(ypos - height_ / 4);
955 else if (ypos > height_ - defaultRowHeight())
956 scrolled = scroll(ypos - 3 * height_ / 4);
959 // If the top part of the row falls of the screen, we scroll
960 // up to align the top of the row with the top of the screen.
961 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
962 int ynew = row_dim.ascent();
963 scrolled = scrollUp(ynew - ypos);
966 // If the bottom of the row falls of the screen, we scroll down.
967 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
968 int ynew = height_ - row_dim.descent();
969 scrolled = scrollDown(ypos - ynew);
972 // else, nothing to do, the cursor is already visible so we just return.
973 return scrolled != 0;
976 // fix inline completion position
977 if (d->inlineCompletionPos_.fixIfBroken())
978 d->inlineCompletionPos_ = DocIterator();
980 tm.redoParagraph(bot_pit);
981 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
982 int offset = coordOffset(dit).y_;
984 d->anchor_pit_ = bot_pit;
985 CursorSlice const & cs = dit.innerTextSlice();
986 Dimension const & row_dim =
987 pm.getRow(cs.pos(), dit.boundary()).dimension();
990 d->anchor_ypos_ = height_/2;
991 else if (d->anchor_pit_ == 0)
992 d->anchor_ypos_ = offset + pm.ascent();
993 else if (d->anchor_pit_ == max_pit)
994 d->anchor_ypos_ = height_ - offset - row_dim.descent();
995 else if (offset > height_)
996 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
998 d->anchor_ypos_ = defaultRowHeight() * 2;
1004 void BufferView::makeDocumentClass()
1006 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1007 buffer_.params().makeDocumentClass();
1008 updateDocumentClass(olddc);
1012 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1014 message(_("Converting document to new document class..."));
1016 StableDocIterator backcur(d->cursor_);
1017 ErrorList & el = buffer_.errorList("Class Switch");
1018 cap::switchBetweenClasses(
1019 olddc, buffer_.params().documentClassPtr(),
1020 static_cast<InsetText &>(buffer_.inset()), el);
1022 setCursor(backcur.asDocIterator(&buffer_));
1024 buffer_.errors("Class Switch");
1028 /** Return the change status at cursor position, taking into account the
1029 * status at each level of the document iterator (a table in a deleted
1030 * footnote is deleted).
1031 * When \param outer is true, the top slice is not looked at.
1033 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1035 size_t const depth = dit.depth() - (outer ? 1 : 0);
1037 for (size_t i = 0 ; i < depth ; ++i) {
1038 CursorSlice const & slice = dit[i];
1039 if (!slice.inset().inMathed()
1040 && slice.pos() < slice.paragraph().size()) {
1041 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1042 if (ch != Change::UNCHANGED)
1046 return Change::UNCHANGED;
1050 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1052 FuncCode const act = cmd.action();
1054 // Can we use a readonly buffer?
1055 if (buffer_.isReadonly()
1056 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1057 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1058 if (buffer_.hasReadonlyFlag())
1059 flag.message(from_utf8(N_("Document is read-only")));
1061 flag.message(from_utf8(N_("Document has been modified externally")));
1062 flag.setEnabled(false);
1066 // Are we in a DELETED change-tracking region?
1067 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1068 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1069 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1070 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1071 flag.setEnabled(false);
1075 Cursor & cur = d->cursor_;
1077 if (cur.getStatus(cmd, flag))
1082 // FIXME: This is a bit problematic because we don't check if this is
1083 // a document BufferView or not for these LFUNs. We probably have to
1084 // dispatch both to currentBufferView() and, if that fails,
1085 // to documentBufferView(); same as we do now for current Buffer and
1086 // document Buffer. Ideally those LFUN should go to Buffer as they
1087 // operate on the full Buffer and the cursor is only needed either for
1088 // an Undo record or to restore a cursor position. But we don't know
1089 // how to do that inside Buffer of course.
1090 case LFUN_BUFFER_PARAMS_APPLY:
1091 case LFUN_LAYOUT_MODULES_CLEAR:
1092 case LFUN_LAYOUT_MODULE_ADD:
1093 case LFUN_LAYOUT_RELOAD:
1094 case LFUN_TEXTCLASS_APPLY:
1095 case LFUN_TEXTCLASS_LOAD:
1096 flag.setEnabled(!buffer_.isReadonly());
1100 // We do not use the LyXAction flag for readonly because Undo sets the
1101 // buffer clean/dirty status by itself.
1102 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1105 // We do not use the LyXAction flag for readonly because Redo sets the
1106 // buffer clean/dirty status by itself.
1107 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1109 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1110 case LFUN_FILE_INSERT_PLAINTEXT: {
1111 docstring const fname = cmd.argument();
1112 if (!FileName::isAbsolute(to_utf8(fname))) {
1113 flag.message(_("Absolute filename expected."));
1116 flag.setEnabled(cur.inTexted());
1119 case LFUN_FILE_INSERT:
1120 case LFUN_BOOKMARK_SAVE:
1121 // FIXME: Actually, these LFUNS should be moved to Text
1122 flag.setEnabled(cur.inTexted());
1125 case LFUN_FONT_STATE:
1126 case LFUN_LABEL_INSERT:
1127 case LFUN_INFO_INSERT:
1128 case LFUN_PARAGRAPH_GOTO:
1129 case LFUN_NOTE_NEXT:
1130 case LFUN_REFERENCE_NEXT:
1131 case LFUN_WORD_FIND:
1132 case LFUN_WORD_FIND_FORWARD:
1133 case LFUN_WORD_FIND_BACKWARD:
1134 case LFUN_WORD_REPLACE:
1137 case LFUN_MARK_TOGGLE:
1138 case LFUN_SCREEN_RECENTER:
1139 case LFUN_SCREEN_SHOW_CURSOR:
1140 case LFUN_BIBTEX_DATABASE_ADD:
1141 case LFUN_BIBTEX_DATABASE_DEL:
1142 case LFUN_STATISTICS:
1143 case LFUN_KEYMAP_OFF:
1144 case LFUN_KEYMAP_PRIMARY:
1145 case LFUN_KEYMAP_SECONDARY:
1146 case LFUN_KEYMAP_TOGGLE:
1147 case LFUN_INSET_SELECT_ALL:
1148 flag.setEnabled(true);
1151 case LFUN_GRAPHICS_UNIFY:
1152 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1155 case LFUN_WORD_FINDADV: {
1156 FindAndReplaceOptions opt;
1157 istringstream iss(to_utf8(cmd.argument()));
1159 flag.setEnabled(opt.repl_buf_name.empty()
1160 || !buffer_.isReadonly());
1164 case LFUN_LABEL_GOTO:
1165 flag.setEnabled(!cmd.argument().empty()
1166 || getInsetByCode<InsetRef>(cur, REF_CODE));
1169 case LFUN_CHANGES_MERGE:
1170 case LFUN_CHANGE_NEXT:
1171 case LFUN_CHANGE_PREVIOUS:
1172 case LFUN_ALL_CHANGES_ACCEPT:
1173 case LFUN_ALL_CHANGES_REJECT:
1174 flag.setEnabled(buffer_.areChangesPresent());
1177 case LFUN_SCREEN_UP:
1178 case LFUN_SCREEN_DOWN:
1180 case LFUN_SCREEN_UP_SELECT:
1181 case LFUN_SCREEN_DOWN_SELECT:
1182 case LFUN_INSET_FORALL:
1183 flag.setEnabled(true);
1186 case LFUN_LAYOUT_TABULAR:
1187 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1191 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1194 case LFUN_LAYOUT_PARAGRAPH:
1195 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1198 case LFUN_BRANCH_ADD_INSERT:
1199 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1202 case LFUN_DIALOG_SHOW_NEW_INSET:
1203 // FIXME: this is wrong, but I do not understand the
1205 if (cur.inset().lyxCode() == CAPTION_CODE)
1206 return cur.inset().getStatus(cur, cmd, flag);
1207 // FIXME we should consider passthru paragraphs too.
1208 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1211 case LFUN_CITATION_INSERT: {
1212 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1213 // FIXME: This could turn in a recursive hell.
1214 // Shouldn't we use Buffer::getStatus() instead?
1215 flag.setEnabled(lyx::getStatus(fr).enabled());
1218 case LFUN_INSET_APPLY: {
1219 string const name = cmd.getArg(0);
1220 Inset * inset = editedInset(name);
1222 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1223 if (!inset->getStatus(cur, fr, flag)) {
1224 // Every inset is supposed to handle this
1225 LASSERT(false, break);
1228 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1229 flag = lyx::getStatus(fr);
1242 Inset * BufferView::editedInset(string const & name) const
1244 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1245 return it == d->edited_insets_.end() ? 0 : it->second;
1249 void BufferView::editInset(string const & name, Inset * inset)
1252 d->edited_insets_[name] = inset;
1254 d->edited_insets_.erase(name);
1258 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1260 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1262 string const argument = to_utf8(cmd.argument());
1263 Cursor & cur = d->cursor_;
1266 // Don't dispatch function that does not apply to internal buffers.
1267 if (buffer_.isInternal()
1268 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1271 // We'll set this back to false if need be.
1272 bool dispatched = true;
1273 buffer_.undo().beginUndoGroup();
1275 FuncCode const act = cmd.action();
1278 case LFUN_BUFFER_PARAMS_APPLY: {
1279 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1280 cur.recordUndoBufferParams();
1281 istringstream ss(to_utf8(cmd.argument()));
1284 int const unknown_tokens = buffer_.readHeader(lex);
1285 if (unknown_tokens != 0) {
1286 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1287 << unknown_tokens << " unknown token"
1288 << (unknown_tokens == 1 ? "" : "s"));
1290 updateDocumentClass(olddc);
1292 // We are most certainly here because of a change in the document
1293 // It is then better to make sure that all dialogs are in sync with
1294 // current document settings.
1295 dr.screenUpdate(Update::Force | Update::FitCursor);
1296 dr.forceBufferUpdate();
1300 case LFUN_LAYOUT_MODULES_CLEAR: {
1301 // FIXME: this modifies the document in cap::switchBetweenClasses
1302 // without calling recordUndo. Fix this before using
1303 // recordUndoBufferParams().
1304 cur.recordUndoFullBuffer();
1305 buffer_.params().clearLayoutModules();
1306 makeDocumentClass();
1307 dr.screenUpdate(Update::Force);
1308 dr.forceBufferUpdate();
1312 case LFUN_LAYOUT_MODULE_ADD: {
1313 BufferParams const & params = buffer_.params();
1314 if (!params.layoutModuleCanBeAdded(argument)) {
1315 LYXERR0("Module `" << argument <<
1316 "' cannot be added due to failed requirements or "
1317 "conflicts with installed modules.");
1320 // FIXME: this modifies the document in cap::switchBetweenClasses
1321 // without calling recordUndo. Fix this before using
1322 // recordUndoBufferParams().
1323 cur.recordUndoFullBuffer();
1324 buffer_.params().addLayoutModule(argument);
1325 makeDocumentClass();
1326 dr.screenUpdate(Update::Force);
1327 dr.forceBufferUpdate();
1331 case LFUN_TEXTCLASS_APPLY: {
1332 // since this shortcircuits, the second call is made only if
1334 bool const success =
1335 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1336 LayoutFileList::get().load(argument, buffer_.filePath());
1338 docstring s = bformat(_("The document class `%1$s' "
1339 "could not be loaded."), from_utf8(argument));
1340 frontend::Alert::error(_("Could not load class"), s);
1344 LayoutFile const * old_layout = buffer_.params().baseClass();
1345 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1347 if (old_layout == new_layout)
1351 // Save the old, possibly modular, layout for use in conversion.
1352 // FIXME: this modifies the document in cap::switchBetweenClasses
1353 // without calling recordUndo. Fix this before using
1354 // recordUndoBufferParams().
1355 cur.recordUndoFullBuffer();
1356 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1357 makeDocumentClass();
1358 dr.screenUpdate(Update::Force);
1359 dr.forceBufferUpdate();
1363 case LFUN_TEXTCLASS_LOAD: {
1364 // since this shortcircuits, the second call is made only if
1366 bool const success =
1367 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1368 LayoutFileList::get().load(argument, buffer_.filePath());
1370 docstring s = bformat(_("The document class `%1$s' "
1371 "could not be loaded."), from_utf8(argument));
1372 frontend::Alert::error(_("Could not load class"), s);
1377 case LFUN_LAYOUT_RELOAD: {
1378 LayoutFileIndex bc = buffer_.params().baseClassID();
1379 LayoutFileList::get().reset(bc);
1380 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1381 makeDocumentClass();
1382 dr.screenUpdate(Update::Force);
1383 dr.forceBufferUpdate();
1388 dr.setMessage(_("Undo"));
1389 cur.clearSelection();
1390 // We need to find out if the bibliography information
1391 // has changed. See bug #11055.
1392 // So these should not be references...
1393 LayoutModuleList const engines = buffer().params().citeEngine();
1394 CiteEngineType const enginetype = buffer().params().citeEngineType();
1395 if (!cur.textUndo())
1396 dr.setMessage(_("No further undo information"));
1398 dr.screenUpdate(Update::Force | Update::FitCursor);
1399 dr.forceBufferUpdate();
1400 if (buffer().params().citeEngine() != engines ||
1401 buffer().params().citeEngineType() != enginetype)
1402 buffer().invalidateCiteLabels();
1408 dr.setMessage(_("Redo"));
1409 cur.clearSelection();
1410 // We need to find out if the bibliography information
1411 // has changed. See bug #11055.
1412 // So these should not be references...
1413 LayoutModuleList const engines = buffer().params().citeEngine();
1414 CiteEngineType const enginetype = buffer().params().citeEngineType();
1415 if (!cur.textRedo())
1416 dr.setMessage(_("No further redo information"));
1418 dr.screenUpdate(Update::Force | Update::FitCursor);
1419 dr.forceBufferUpdate();
1420 if (buffer().params().citeEngine() != engines ||
1421 buffer().params().citeEngineType() != enginetype)
1422 buffer().invalidateCiteLabels();
1427 case LFUN_FONT_STATE:
1428 dr.setMessage(cur.currentState(false));
1431 case LFUN_BOOKMARK_SAVE:
1432 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1435 case LFUN_LABEL_GOTO: {
1436 docstring label = cmd.argument();
1437 if (label.empty()) {
1439 getInsetByCode<InsetRef>(cur, REF_CODE);
1441 label = inset->getParam("reference");
1442 // persistent=false: use temp_bookmark
1446 if (!label.empty()) {
1448 // at the moment, this is redundant, since gotoLabel will
1449 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1451 dr.screenUpdate(Update::Force | Update::FitCursor);
1456 case LFUN_PARAGRAPH_GOTO: {
1457 int const id = convert<int>(cmd.getArg(0));
1458 pos_type const pos = convert<int>(cmd.getArg(1));
1461 string const str_id_end = cmd.getArg(2);
1462 string const str_pos_end = cmd.getArg(3);
1464 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1465 b = theBufferList().next(b)) {
1468 cur.setCursor(b->getParFromID(id));
1470 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1474 LYXERR(Debug::INFO, "Paragraph " << cur.paragraph().id()
1475 << " found in buffer `"
1476 << b->absFileName() << "'.");
1478 if (b == &buffer_) {
1480 if (str_id_end.empty() || str_pos_end.empty()) {
1483 mouseSetCursor(cur);
1486 int const id_end = convert<int>(str_id_end);
1487 pos_type const pos_end = convert<int>(str_pos_end);
1488 success = setCursorFromEntries({id, pos},
1492 dr.screenUpdate(Update::Force | Update::FitCursor);
1494 // Switch to other buffer view and resend cmd
1495 lyx::dispatch(FuncRequest(
1496 LFUN_BUFFER_SWITCH, b->absFileName()));
1504 case LFUN_NOTE_NEXT:
1505 gotoInset(this, NOTE_CODE, false);
1508 case LFUN_REFERENCE_NEXT: {
1509 vector<InsetCode> tmp;
1510 tmp.push_back(LABEL_CODE);
1511 tmp.push_back(REF_CODE);
1512 gotoInset(this, tmp, true);
1516 case LFUN_CHANGE_NEXT:
1517 findNextChange(this);
1518 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1519 dr.screenUpdate(Update::Force | Update::FitCursor);
1522 case LFUN_CHANGE_PREVIOUS:
1523 findPreviousChange(this);
1524 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1525 dr.screenUpdate(Update::Force | Update::FitCursor);
1528 case LFUN_CHANGES_MERGE:
1529 if (findNextChange(this) || findPreviousChange(this)) {
1530 dr.screenUpdate(Update::Force | Update::FitCursor);
1531 dr.forceBufferUpdate();
1532 showDialog("changes");
1536 case LFUN_ALL_CHANGES_ACCEPT:
1537 // select complete document
1539 cur.selHandle(true);
1540 buffer_.text().cursorBottom(cur);
1541 // accept everything in a single step to support atomic undo
1542 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1544 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1545 dr.screenUpdate(Update::Force | Update::FitCursor);
1546 dr.forceBufferUpdate();
1549 case LFUN_ALL_CHANGES_REJECT:
1550 // select complete document
1552 cur.selHandle(true);
1553 buffer_.text().cursorBottom(cur);
1554 // reject everything in a single step to support atomic undo
1555 // Note: reject does not work recursively; the user may have to repeat the operation
1556 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1558 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1559 dr.screenUpdate(Update::Force | Update::FitCursor);
1560 dr.forceBufferUpdate();
1563 case LFUN_WORD_FIND_FORWARD:
1564 case LFUN_WORD_FIND_BACKWARD: {
1566 // Would it maybe be better if this variable were view specific anyway?
1567 static docstring last_search;
1568 docstring searched_string;
1570 if (!cmd.argument().empty()) {
1571 last_search = cmd.argument();
1572 searched_string = cmd.argument();
1574 searched_string = last_search;
1577 if (searched_string.empty())
1580 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1581 docstring const data =
1582 find2string(searched_string, true, false, fw);
1583 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1585 dr.screenUpdate(Update::Force | Update::FitCursor);
1589 case LFUN_WORD_FIND: {
1590 FuncRequest req = cmd;
1591 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1592 req = d->search_request_cache_;
1593 if (req.argument().empty()) {
1594 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1597 if (lyxfind(this, req))
1598 dr.screenUpdate(Update::Force | Update::FitCursor);
1600 d->search_request_cache_ = req;
1604 case LFUN_WORD_REPLACE: {
1605 bool has_deleted = false;
1606 if (cur.selection()) {
1607 DocIterator beg = cur.selectionBegin();
1608 DocIterator end = cur.selectionEnd();
1609 if (beg.pit() == end.pit()) {
1610 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1611 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1618 if (lyxreplace(this, cmd, has_deleted)) {
1619 dr.forceBufferUpdate();
1620 dr.screenUpdate(Update::Force | Update::FitCursor);
1625 case LFUN_WORD_FINDADV: {
1626 FindAndReplaceOptions opt;
1627 istringstream iss(to_utf8(cmd.argument()));
1629 if (findAdv(this, opt)) {
1630 dr.screenUpdate(Update::Force | Update::FitCursor);
1641 cur.clearSelection();
1642 dr.setMessage(from_utf8(N_("Mark off")));
1646 cur.clearSelection();
1648 dr.setMessage(from_utf8(N_("Mark on")));
1651 case LFUN_MARK_TOGGLE:
1652 cur.selection(false);
1655 dr.setMessage(from_utf8(N_("Mark removed")));
1658 dr.setMessage(from_utf8(N_("Mark set")));
1663 case LFUN_SCREEN_SHOW_CURSOR:
1667 case LFUN_SCREEN_RECENTER:
1671 case LFUN_BIBTEX_DATABASE_ADD: {
1672 Cursor tmpcur = cur;
1673 findInset(tmpcur, BIBTEX_CODE, false);
1674 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1677 if (inset->addDatabase(cmd.argument())) {
1678 dr.forceBufferUpdate();
1684 case LFUN_BIBTEX_DATABASE_DEL: {
1685 Cursor tmpcur = cur;
1686 findInset(tmpcur, BIBTEX_CODE, false);
1687 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1690 if (inset->delDatabase(cmd.argument()))
1691 dr.forceBufferUpdate();
1696 case LFUN_GRAPHICS_UNIFY: {
1698 cur.recordUndoFullBuffer();
1700 DocIterator from, to;
1701 from = cur.selectionBegin();
1702 to = cur.selectionEnd();
1704 string const newId = cmd.getArg(0);
1705 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1707 InsetGraphicsParams grp_par;
1709 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1711 if (!from.nextInset()) //move to closest inset
1712 from.forwardInset();
1714 while (!from.empty() && from < to) {
1715 Inset * inset = from.nextInset();
1718 if (inset->lyxCode() == GRAPHICS_CODE) {
1719 InsetGraphics & ig = static_cast<InsetGraphics &>(*inset);
1720 InsetGraphicsParams inspar = ig.getParams();
1725 grp_par.filename = inspar.filename;
1726 ig.setParams(grp_par);
1729 from.forwardInset();
1731 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1735 case LFUN_STATISTICS: {
1736 DocIterator from, to;
1737 if (cur.selection()) {
1738 from = cur.selectionBegin();
1739 to = cur.selectionEnd();
1741 from = doc_iterator_begin(&buffer_);
1742 to = doc_iterator_end(&buffer_);
1744 buffer_.updateStatistics(from, to);
1745 int const words = buffer_.wordCount();
1746 int const chars = buffer_.charCount(false);
1747 int const chars_blanks = buffer_.charCount(true);
1749 if (cur.selection())
1750 message = _("Statistics for the selection:");
1752 message = _("Statistics for the document:");
1755 message += bformat(_("%1$d words"), words);
1757 message += _("One word");
1759 if (chars_blanks != 1)
1760 message += bformat(_("%1$d characters (including blanks)"),
1763 message += _("One character (including blanks)");
1766 message += bformat(_("%1$d characters (excluding blanks)"),
1769 message += _("One character (excluding blanks)");
1771 Alert::information(_("Statistics"), message);
1775 case LFUN_SCREEN_UP:
1776 case LFUN_SCREEN_DOWN: {
1777 Point p = getPos(cur);
1778 // This code has been commented out to enable to scroll down a
1779 // document, even if there are large insets in it (see bug #5465).
1780 /*if (p.y_ < 0 || p.y_ > height_) {
1781 // The cursor is off-screen so recenter before proceeding.
1785 int const scrolled = scroll(act == LFUN_SCREEN_UP
1786 ? -height_ : height_);
1787 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1789 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1790 p = Point(width_, height_);
1791 bool const in_texted = cur.inTexted();
1792 cur.setCursor(doc_iterator_begin(cur.buffer()));
1793 cur.selHandle(false);
1794 // Force an immediate computation of metrics because we need it below
1795 processUpdateFlags(Update::Force);
1797 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1798 true, act == LFUN_SCREEN_UP);
1799 //FIXME: what to do with cur.x_target()?
1800 bool update = in_texted && cur.bv().checkDepm(cur, old);
1803 if (update || cur.mark())
1804 dr.screenUpdate(Update::Force | Update::FitCursor);
1806 dr.forceBufferUpdate();
1811 string const scroll_type = cmd.getArg(0);
1812 int scroll_step = 0;
1813 if (scroll_type == "line")
1814 scroll_step = d->scrollbarParameters_.single_step;
1815 else if (scroll_type == "page")
1816 scroll_step = d->scrollbarParameters_.page_step;
1819 string const scroll_quantity = cmd.getArg(1);
1820 if (scroll_quantity == "up")
1821 scrollUp(scroll_step);
1822 else if (scroll_quantity == "down")
1823 scrollDown(scroll_step);
1825 int const scroll_value = convert<int>(scroll_quantity);
1827 scroll(scroll_step * scroll_value);
1829 dr.screenUpdate(Update::ForceDraw);
1830 dr.forceBufferUpdate();
1834 case LFUN_SCREEN_UP_SELECT: {
1835 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1836 cur.selHandle(true);
1837 if (isTopScreen()) {
1838 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1842 int y = getPos(cur).y_;
1843 int const ymin = y - height_ + defaultRowHeight();
1844 while (y > ymin && cur.up())
1848 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1852 case LFUN_SCREEN_DOWN_SELECT: {
1853 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1854 cur.selHandle(true);
1855 if (isBottomScreen()) {
1856 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1860 int y = getPos(cur).y_;
1861 int const ymax = y + height_ - defaultRowHeight();
1862 while (y < ymax && cur.down())
1866 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1871 case LFUN_INSET_SELECT_ALL: {
1872 // true if all cells are selected
1873 bool const all_selected = cur.depth() > 1
1874 && cur.selBegin().at_begin()
1875 && cur.selEnd().at_end();
1876 // true if some cells are selected
1877 bool const cells_selected = cur.depth() > 1
1878 && cur.selBegin().at_cell_begin()
1879 && cur.selEnd().at_cell_end();
1880 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1881 // All the contents of the inset if selected, or only at
1882 // least one cell but inset is not a table.
1883 // Select the inset from outside.
1886 cur.selection(true);
1888 } else if (cells_selected) {
1889 // At least one complete cell is selected and inset is a table.
1894 cur.selection(true);
1895 cur.idx() = cur.lastidx();
1896 cur.pos() = cur.lastpos();
1898 // select current cell
1902 cur.selection(true);
1903 cur.pit() = cur.lastpit();
1904 cur.pos() = cur.lastpos();
1906 cur.setCurrentFont();
1907 dr.screenUpdate(Update::Force);
1912 case LFUN_UNICODE_INSERT: {
1913 if (cmd.argument().empty())
1916 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1917 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1920 docstring const arg = from_utf8(cmd.getArg(i));
1924 LYXERR0("Not a hexstring: " << arg);
1928 char_type c = hexToInt(arg);
1929 if (c >= 32 && c < 0x10ffff) {
1930 LYXERR(Debug::KEY, "Inserting c: " << c);
1931 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1939 // This would be in Buffer class if only Cursor did not
1940 // require a bufferview
1941 case LFUN_INSET_FORALL: {
1942 docstring const name = from_utf8(cmd.getArg(0));
1943 string const commandstr = cmd.getLongArg(1);
1944 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1946 // an arbitrary number to limit number of iterations
1947 const int max_iter = 100000;
1949 Cursor & cur = d->cursor_;
1950 Cursor const savecur = cur;
1952 if (!cur.nextInset())
1954 cur.beginUndoGroup();
1955 while(cur && iterations < max_iter) {
1956 Inset * const ins = cur.nextInset();
1959 docstring insname = ins->layoutName();
1960 while (!insname.empty()) {
1961 if (insname == name || name == from_utf8("*")) {
1963 lyx::dispatch(fr, dr);
1967 size_t const i = insname.rfind(':');
1968 if (i == string::npos)
1970 insname = insname.substr(0, i);
1972 // if we did not delete the inset, skip it
1973 if (!cur.nextInset() || cur.nextInset() == ins)
1978 /** This is a dummy undo record only to remember the cursor
1979 * that has just been set; this will be used on a redo action
1980 * (see ticket #10097)
1982 * FIXME: a better fix would be to have a way to set the
1983 * cursor value directly, but I am not sure it is worth it.
1987 dr.screenUpdate(Update::Force);
1988 dr.forceBufferUpdate();
1990 if (iterations >= max_iter) {
1992 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
1994 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
1999 case LFUN_BRANCH_ADD_INSERT: {
2000 docstring branch_name = from_utf8(cmd.getArg(0));
2001 if (branch_name.empty())
2002 if (!Alert::askForText(branch_name, _("Branch name")) ||
2003 branch_name.empty())
2006 DispatchResult drtmp;
2007 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2008 if (drtmp.error()) {
2009 Alert::warning(_("Branch already exists"), drtmp.message());
2012 BranchList & branch_list = buffer_.params().branchlist();
2013 vector<docstring> const branches =
2014 getVectorFromString(branch_name, branch_list.separator());
2015 for (vector<docstring>::const_iterator it = branches.begin();
2016 it != branches.end(); ++it) {
2018 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch_name));
2023 case LFUN_KEYMAP_OFF:
2024 getIntl().keyMapOn(false);
2027 case LFUN_KEYMAP_PRIMARY:
2028 getIntl().keyMapPrim();
2031 case LFUN_KEYMAP_SECONDARY:
2032 getIntl().keyMapSec();
2035 case LFUN_KEYMAP_TOGGLE:
2036 getIntl().toggleKeyMap();
2039 case LFUN_DIALOG_SHOW_NEW_INSET: {
2040 string const name = cmd.getArg(0);
2041 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2042 if (decodeInsetParam(name, data, buffer_))
2043 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2045 lyxerr << "Inset type '" << name <<
2046 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2050 case LFUN_CITATION_INSERT: {
2051 if (argument.empty()) {
2052 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2055 // we can have one optional argument, delimited by '|'
2056 // citation-insert <key>|<text_before>
2057 // this should be enhanced to also support text_after
2058 // and citation style
2059 string arg = argument;
2061 if (contains(argument, "|")) {
2062 arg = token(argument, '|', 0);
2063 opt1 = token(argument, '|', 1);
2066 // if our cursor is directly in front of or behind a citation inset,
2067 // we will instead add the new key to it.
2068 Inset * inset = cur.nextInset();
2069 if (!inset || inset->lyxCode() != CITE_CODE)
2070 inset = cur.prevInset();
2071 if (inset && inset->lyxCode() == CITE_CODE) {
2072 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2073 if (icite->addKey(arg)) {
2074 dr.forceBufferUpdate();
2075 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2077 LYXERR0("Discarding optional argument to citation-insert.");
2082 InsetCommandParams icp(CITE_CODE);
2083 icp["key"] = from_utf8(arg);
2085 icp["before"] = from_utf8(opt1);
2087 from_ascii(InsetCitation::last_literal ? "true" : "false");
2088 string icstr = InsetCommand::params2string(icp);
2089 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2094 case LFUN_INSET_APPLY: {
2095 string const name = cmd.getArg(0);
2096 Inset * inset = editedInset(name);
2098 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2102 // put cursor in front of inset.
2103 if (!setCursorFromInset(inset)) {
2104 LASSERT(false, break);
2107 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2108 inset->dispatch(cur, fr);
2109 dr.screenUpdate(cur.result().screenUpdate());
2110 if (cur.result().needBufferUpdate())
2111 dr.forceBufferUpdate();
2116 // The change of language of buffer belongs to the Buffer class.
2117 // We have to do it here because we need a cursor for Undo.
2118 // When Undo::recordUndoBufferParams() is implemented someday
2119 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2120 case LFUN_BUFFER_LANGUAGE: {
2121 Language const * oldL = buffer_.params().language;
2122 Language const * newL = languages.getLanguage(argument);
2123 if (!newL || oldL == newL)
2125 if (oldL->rightToLeft() == newL->rightToLeft()) {
2126 cur.recordUndoFullBuffer();
2127 buffer_.changeLanguage(oldL, newL);
2128 cur.setCurrentFont();
2129 dr.forceBufferUpdate();
2134 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2135 case LFUN_FILE_INSERT_PLAINTEXT: {
2136 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2137 string const fname = to_utf8(cmd.argument());
2138 if (!FileName::isAbsolute(fname))
2139 dr.setMessage(_("Absolute filename expected."));
2141 insertPlaintextFile(FileName(fname), as_paragraph);
2146 // OK, so try the Buffer itself...
2147 buffer_.dispatch(cmd, dr);
2148 dispatched = dr.dispatched();
2152 buffer_.undo().endUndoGroup();
2153 dr.dispatched(dispatched);
2155 // NOTE: The code below is copied from Cursor::dispatch. If you
2156 // need to modify this, please update the other one too.
2158 // notify insets we just entered/left
2159 if (cursor() != old) {
2160 old.beginUndoGroup();
2162 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2164 cursor().fixIfBroken();
2165 resetInlineCompletionPos();
2172 docstring const BufferView::requestSelection()
2174 Cursor & cur = d->cursor_;
2176 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2177 if (!cur.selection()) {
2178 d->xsel_cache_.set = false;
2182 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2183 if (!d->xsel_cache_.set ||
2184 cur.top() != d->xsel_cache_.cursor ||
2185 cur.realAnchor().top() != d->xsel_cache_.anchor)
2187 d->xsel_cache_.cursor = cur.top();
2188 d->xsel_cache_.anchor = cur.realAnchor().top();
2189 d->xsel_cache_.set = cur.selection();
2190 return cur.selectionAsString(false);
2196 void BufferView::clearSelection()
2198 d->cursor_.clearSelection();
2199 // Clear the selection buffer. Otherwise a subsequent
2200 // middle-mouse-button paste would use the selection buffer,
2201 // not the more current external selection.
2202 cap::clearSelection();
2203 d->xsel_cache_.set = false;
2204 // The buffer did not really change, but this causes the
2205 // redraw we need because we cleared the selection above.
2206 buffer_.changed(false);
2210 void BufferView::resize(int width, int height)
2212 // Update from work area
2216 // Clear the paragraph height cache.
2217 d->par_height_.clear();
2218 // Redo the metrics.
2223 Inset const * BufferView::getCoveringInset(Text const & text,
2226 TextMetrics & tm = d->text_metrics_[&text];
2227 Inset * inset = tm.checkInsetHit(x, y);
2231 if (!inset->descendable(*this))
2232 // No need to go further down if the inset is not
2236 size_t cell_number = inset->nargs();
2237 // Check all the inner cell.
2238 for (size_t i = 0; i != cell_number; ++i) {
2239 Text const * inner_text = inset->getText(i);
2242 Inset const * inset_deeper =
2243 getCoveringInset(*inner_text, x, y);
2245 return inset_deeper;
2253 void BufferView::updateHoveredInset() const
2255 // Get inset under mouse, if there is one.
2256 int const x = d->mouse_position_cache_.x_;
2257 int const y = d->mouse_position_cache_.y_;
2258 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2260 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2262 if (covering_inset == d->last_inset_)
2263 // Same inset, no need to do anything...
2266 bool need_redraw = false;
2267 if (d->last_inset_) {
2268 // Remove the hint on the last hovered inset (if any).
2269 need_redraw |= d->last_inset_->setMouseHover(this, false);
2273 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2275 // Only the insets that accept the hover state, do
2276 // clear the last_inset_, so only set the last_inset_
2277 // member if the hovered setting is accepted.
2278 d->last_inset_ = covering_inset;
2282 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2283 << d->mouse_position_cache_.x_ << ", "
2284 << d->mouse_position_cache_.y_ << ")");
2286 d->update_strategy_ = DecorationUpdate;
2288 // This event (moving without mouse click) is not passed further.
2289 // This should be changed if it is further utilized.
2290 buffer_.changed(false);
2295 void BufferView::clearLastInset(Inset * inset) const
2297 if (d->last_inset_ != inset) {
2298 LYXERR0("Wrong last_inset!");
2305 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2307 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2309 // This is only called for mouse related events including
2310 // LFUN_FILE_OPEN generated by drag-and-drop.
2311 FuncRequest cmd = cmd0;
2313 Cursor old = cursor();
2315 cur.push(buffer_.inset());
2316 cur.selection(d->cursor_.selection());
2318 // Either the inset under the cursor or the
2319 // surrounding Text will handle this event.
2321 // make sure we stay within the screen...
2322 cmd.set_y(min(max(cmd.y(), -1), height_));
2324 d->mouse_position_cache_.x_ = cmd.x();
2325 d->mouse_position_cache_.y_ = cmd.y();
2327 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2328 updateHoveredInset();
2332 // Build temporary cursor.
2333 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2335 // If inset is not editable, cur.pos() might point behind the
2336 // inset (depending on cmd.x(), cmd.y()). This is needed for
2337 // editing to fix bug 9628, but e.g. the context menu needs a
2338 // cursor in front of the inset.
2339 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2340 || inset->lyxCode() == SEPARATOR_CODE) &&
2341 cur.nextInset() != inset && cur.prevInset() == inset)
2343 } else if (cur.inTexted() && cur.pos()
2344 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2345 // Always place cursor in front of a separator inset.
2349 // Put anchor at the same position.
2352 cur.beginUndoGroup();
2354 // Try to dispatch to an non-editable inset near this position
2355 // via the temp cursor. If the inset wishes to change the real
2356 // cursor it has to do so explicitly by using
2357 // cur.bv().cursor() = cur; (or similar)
2359 inset->dispatch(cur, cmd);
2361 // Now dispatch to the temporary cursor. If the real cursor should
2362 // be modified, the inset's dispatch has to do so explicitly.
2363 if (!inset || !cur.result().dispatched())
2366 // Notify left insets
2368 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2369 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2371 cursor().fixIfBroken();
2376 // Do we have a selection?
2377 theSelection().haveSelection(cursor().selection());
2379 if (cur.needBufferUpdate()) {
2380 cur.clearBufferUpdate();
2381 buffer().updateBuffer();
2384 // If the command has been dispatched,
2385 if (cur.result().dispatched() || cur.result().screenUpdate())
2386 processUpdateFlags(cur.result().screenUpdate());
2390 int BufferView::minVisiblePart()
2392 return 2 * defaultRowHeight();
2396 int BufferView::scroll(int y)
2399 return scrollDown(y);
2401 return scrollUp(-y);
2406 int BufferView::scrollDown(int offset)
2408 Text * text = &buffer_.text();
2409 TextMetrics & tm = d->text_metrics_[text];
2410 int const ymax = height_ + offset;
2412 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2413 int bottom_pos = last.second->position() + last.second->descent();
2414 if (lyxrc.scroll_below_document)
2415 bottom_pos += height_ - minVisiblePart();
2416 if (last.first + 1 == int(text->paragraphs().size())) {
2417 if (bottom_pos <= height_)
2419 offset = min(offset, bottom_pos - height_);
2422 if (bottom_pos > ymax)
2424 tm.newParMetricsDown();
2426 d->anchor_ypos_ -= offset;
2431 int BufferView::scrollUp(int offset)
2433 Text * text = &buffer_.text();
2434 TextMetrics & tm = d->text_metrics_[text];
2435 int ymin = - offset;
2437 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2438 int top_pos = first.second->position() - first.second->ascent();
2439 if (first.first == 0) {
2442 offset = min(offset, - top_pos);
2447 tm.newParMetricsUp();
2449 d->anchor_ypos_ += offset;
2454 bool BufferView::setCursorFromRow(int row)
2456 TexRow::TextEntry start, end;
2457 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2458 LYXERR(Debug::LATEX,
2459 "setCursorFromRow: for row " << row << ", TexRow has found "
2460 "start (id=" << start.id << ",pos=" << start.pos << "), "
2461 "end (id=" << end.id << ",pos=" << end.pos << ")");
2462 return setCursorFromEntries(start, end);
2466 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2467 TexRow::TextEntry end)
2469 DocIterator dit_start, dit_end;
2470 tie(dit_start,dit_end) =
2471 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2474 // Setting selection start
2475 d->cursor_.clearSelection();
2476 setCursor(dit_start);
2477 // Setting selection end
2479 d->cursor_.resetAnchor();
2480 setCursorSelectionTo(dit_end);
2486 bool BufferView::setCursorFromInset(Inset const * inset)
2488 // are we already there?
2489 if (cursor().nextInset() == inset)
2492 // Inset is not at cursor position. Find it in the document.
2495 while (cur && cur.nextInset() != inset)
2506 void BufferView::gotoLabel(docstring const & label)
2508 ListOfBuffers bufs = buffer().allRelatives();
2509 ListOfBuffers::iterator it = bufs.begin();
2510 for (; it != bufs.end(); ++it) {
2511 Buffer const * buf = *it;
2514 shared_ptr<Toc> toc = buf->tocBackend().toc("label");
2515 Toc::const_iterator toc_it = toc->begin();
2516 Toc::const_iterator end = toc->end();
2517 for (; toc_it != end; ++toc_it) {
2518 if (label == toc_it->str()) {
2519 lyx::dispatch(toc_it->action());
2527 TextMetrics const & BufferView::textMetrics(Text const * t) const
2529 return const_cast<BufferView *>(this)->textMetrics(t);
2533 TextMetrics & BufferView::textMetrics(Text const * t)
2536 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2537 if (tmc_it == d->text_metrics_.end()) {
2538 tmc_it = d->text_metrics_.insert(
2539 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2541 return tmc_it->second;
2545 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2548 return textMetrics(t).parMetrics(pit);
2552 int BufferView::workHeight() const
2558 void BufferView::setCursor(DocIterator const & dit)
2561 size_t const n = dit.depth();
2562 for (size_t i = 0; i < n; ++i)
2563 dit[i].inset().edit(d->cursor_, true);
2565 d->cursor_.setCursor(dit);
2566 d->cursor_.selection(false);
2567 d->cursor_.setCurrentFont();
2569 // It seems on general grounds as if this is probably needed, but
2570 // it is not yet clear.
2571 // See bug #7394 and r38388.
2572 // d->cursor.resetAnchor();
2576 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2578 size_t const n = dit.depth();
2579 for (size_t i = 0; i < n; ++i)
2580 dit[i].inset().edit(d->cursor_, true);
2582 d->cursor_.selection(true);
2583 d->cursor_.setCursorSelectionTo(dit);
2584 d->cursor_.setCurrentFont();
2588 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2590 // Would be wrong to delete anything if we have a selection.
2591 if (cur.selection())
2594 bool need_anchor_change = false;
2595 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
2596 need_anchor_change);
2598 if (need_anchor_change)
2606 // we would rather not do this here, but it needs to be done before
2607 // the changed() signal is sent.
2608 buffer_.updateBuffer();
2610 buffer_.changed(true);
2615 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2617 LASSERT(&cur.bv() == this, return false);
2620 // this event will clear selection so we save selection for
2621 // persistent selection
2622 cap::saveSelection(cursor());
2624 d->cursor_.macroModeClose();
2625 // If a macro has been finalized, the cursor might have been broken
2628 // Has the cursor just left the inset?
2629 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2631 d->cursor_.fixIfBroken();
2633 // do the dEPM magic if needed
2634 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2635 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2636 // the leftinset bool would not be necessary (badcursor instead).
2637 bool update = leftinset;
2640 d->cursor_.setSelection();
2641 d->cursor_.setCursorSelectionTo(cur);
2643 if (d->cursor_.inTexted())
2644 update |= checkDepm(cur, d->cursor_);
2645 d->cursor_.resetAnchor();
2646 d->cursor_.setCursor(cur);
2647 d->cursor_.clearSelection();
2649 d->cursor_.boundary(cur.boundary());
2650 d->cursor_.finishUndo();
2651 d->cursor_.setCurrentFont();
2653 cur.forceBufferUpdate();
2658 void BufferView::putSelectionAt(DocIterator const & cur,
2659 int length, bool backwards)
2661 d->cursor_.clearSelection();
2667 d->cursor_.pos() += length;
2668 d->cursor_.setSelection(d->cursor_, -length);
2670 d->cursor_.setSelection(d->cursor_, length);
2675 bool BufferView::selectIfEmpty(DocIterator & cur)
2677 if ((cur.inTexted() && !cur.paragraph().empty())
2678 || (cur.inMathed() && !cur.cell().empty()))
2681 pit_type const beg_pit = cur.pit();
2683 // The paragraph associated to this item isn't
2684 // the first one, so it can be selected
2687 // We have to resort to select the space between the
2688 // end of this item and the begin of the next one
2692 // If it is the only item in the document,
2693 // nothing can be selected
2696 pit_type const end_pit = cur.pit();
2697 pos_type const end_pos = cur.pos();
2698 d->cursor_.clearSelection();
2700 d->cursor_.setCursor(cur);
2701 d->cursor_.pit() = beg_pit;
2702 d->cursor_.pos() = 0;
2703 d->cursor_.selection(false);
2704 d->cursor_.resetAnchor();
2705 d->cursor_.pit() = end_pit;
2706 d->cursor_.pos() = end_pos;
2707 d->cursor_.setSelection();
2712 Cursor & BufferView::cursor()
2718 Cursor const & BufferView::cursor() const
2724 pit_type BufferView::anchor_ref() const
2726 return d->anchor_pit_;
2730 bool BufferView::singleParUpdate()
2732 Text & buftext = buffer_.text();
2733 pit_type const bottom_pit = d->cursor_.bottom().pit();
2734 TextMetrics & tm = textMetrics(&buftext);
2735 int old_height = tm.parMetrics(bottom_pit).height();
2737 // make sure inline completion pointer is ok
2738 if (d->inlineCompletionPos_.fixIfBroken())
2739 d->inlineCompletionPos_ = DocIterator();
2741 // In Single Paragraph mode, rebreak only
2742 // the (main text, not inset!) paragraph containing the cursor.
2743 // (if this paragraph contains insets etc., rebreaking will
2744 // recursively descend)
2745 tm.redoParagraph(bottom_pit);
2746 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2747 if (pm.height() != old_height)
2748 // Paragraph height has changed so we cannot proceed to
2749 // the singlePar optimisation.
2752 tm.updatePosCache(bottom_pit);
2754 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2755 << " y2: " << pm.position() + pm.descent()
2756 << " pit: " << bottom_pit
2757 << " singlepar: 1");
2762 void BufferView::updateMetrics()
2764 updateMetrics(d->update_flags_);
2765 d->update_strategy_ = FullScreenUpdate;
2769 void BufferView::updateMetrics(Update::flags & update_flags)
2771 if (height_ == 0 || width_ == 0)
2774 Text & buftext = buffer_.text();
2775 pit_type const npit = int(buftext.paragraphs().size());
2777 // Clear out the position cache in case of full screen redraw,
2778 d->coord_cache_.clear();
2780 // Clear out paragraph metrics to avoid having invalid metrics
2781 // in the cache from paragraphs not relayouted below
2782 // The complete text metrics will be redone.
2783 d->text_metrics_.clear();
2785 TextMetrics & tm = textMetrics(&buftext);
2787 // make sure inline completion pointer is ok
2788 if (d->inlineCompletionPos_.fixIfBroken())
2789 d->inlineCompletionPos_ = DocIterator();
2791 if (d->anchor_pit_ >= npit)
2792 // The anchor pit must have been deleted...
2793 d->anchor_pit_ = npit - 1;
2795 // Rebreak anchor paragraph.
2796 tm.redoParagraph(d->anchor_pit_);
2797 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2800 if (d->anchor_pit_ == 0) {
2801 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2803 // Complete buffer visible? Then it's easy.
2804 if (scrollRange == 0)
2805 d->anchor_ypos_ = anchor_pm.ascent();
2807 // avoid empty space above the first row
2808 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2811 anchor_pm.setPosition(d->anchor_ypos_);
2812 tm.updatePosCache(d->anchor_pit_);
2814 LYXERR(Debug::PAINTING, "metrics: "
2815 << " anchor pit = " << d->anchor_pit_
2816 << " anchor ypos = " << d->anchor_ypos_);
2818 // Redo paragraphs above anchor if necessary.
2819 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2820 // We are now just above the anchor paragraph.
2821 pit_type pit1 = d->anchor_pit_ - 1;
2822 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2823 tm.redoParagraph(pit1);
2824 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2826 // Save the paragraph position in the cache.
2828 tm.updatePosCache(pit1);
2832 // Redo paragraphs below the anchor if necessary.
2833 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2834 // We are now just below the anchor paragraph.
2835 pit_type pit2 = d->anchor_pit_ + 1;
2836 for (; pit2 < npit && y2 <= height_; ++pit2) {
2837 tm.redoParagraph(pit2);
2838 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2840 // Save the paragraph position in the cache.
2842 tm.updatePosCache(pit2);
2846 LYXERR(Debug::PAINTING, "Metrics: "
2847 << " anchor pit = " << d->anchor_pit_
2848 << " anchor ypos = " << d->anchor_ypos_
2851 << " pit1 = " << pit1
2852 << " pit2 = " << pit2);
2854 // metrics is done, full drawing is necessary now
2855 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2857 // Now update the positions of insets in the cache.
2860 if (lyxerr.debugging(Debug::WORKAREA)) {
2861 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2862 d->coord_cache_.dump();
2867 void BufferView::updatePosCache()
2869 // this is the "nodraw" drawing stage: only set the positions of the
2870 // insets in metrics cache.
2871 frontend::NullPainter np;
2876 void BufferView::insertLyXFile(FileName const & fname)
2878 LASSERT(d->cursor_.inTexted(), return);
2880 // Get absolute path of file and add ".lyx"
2881 // to the filename if necessary
2882 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2884 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2885 // emit message signal.
2886 message(bformat(_("Inserting document %1$s..."), disp_fn));
2889 Buffer buf(filename.absFileName(), false);
2890 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2891 ErrorList & el = buffer_.errorList("Parse");
2892 // Copy the inserted document error list into the current buffer one.
2893 el = buf.errorList("Parse");
2894 buffer_.undo().recordUndo(d->cursor_);
2895 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2896 buf.params().documentClassPtr(), el);
2897 res = _("Document %1$s inserted.");
2899 res = _("Could not insert document %1$s");
2902 buffer_.changed(true);
2903 // emit message signal.
2904 message(bformat(res, disp_fn));
2908 Point BufferView::coordOffset(DocIterator const & dit) const
2914 // Addup contribution of nested insets, from inside to outside,
2915 // keeping the outer paragraph for a special handling below
2916 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2917 CursorSlice const & sl = dit[i];
2921 // get relative position inside sl.inset()
2922 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2924 // Make relative position inside of the edited inset relative to sl.inset()
2928 // In case of an RTL inset, the edited inset will be positioned to the left
2931 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2932 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2937 // remember width for the case that sl.inset() is positioned in an RTL inset
2938 lastw = sl.inset().dimension(*this).wid;
2940 //lyxerr << "Cursor::getPos, i: "
2941 // << i << " x: " << xx << " y: " << y << endl;
2944 // Add contribution of initial rows of outermost paragraph
2945 CursorSlice const & sl = dit[0];
2946 TextMetrics const & tm = textMetrics(sl.text());
2947 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2949 LBUFERR(!pm.rows().empty());
2950 y -= pm.rows()[0].ascent();
2952 // FIXME: document this mess
2954 if (sl.pos() > 0 && dit.depth() == 1) {
2956 if (pos && dit.boundary())
2958 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2959 rend = pm.pos2row(pos);
2961 rend = pm.pos2row(sl.pos());
2963 size_t rend = pm.pos2row(sl.pos());
2965 for (size_t rit = 0; rit != rend; ++rit)
2966 y += pm.rows()[rit].height();
2967 y += pm.rows()[rend].ascent();
2969 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2971 // Make relative position from the nested inset now bufferview absolute.
2972 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2975 // In the RTL case place the nested inset at the left of the cursor in
2976 // the outer paragraph
2977 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2978 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2986 Point BufferView::getPos(DocIterator const & dit) const
2988 if (!paragraphVisible(dit))
2989 return Point(-1, -1);
2991 CursorSlice const & bot = dit.bottom();
2992 TextMetrics const & tm = textMetrics(bot.text());
2994 // offset from outer paragraph
2995 Point p = coordOffset(dit);
2996 p.y_ += tm.parMetrics(bot.pit()).position();
3001 bool BufferView::paragraphVisible(DocIterator const & dit) const
3003 CursorSlice const & bot = dit.bottom();
3004 TextMetrics const & tm = textMetrics(bot.text());
3006 return tm.contains(bot.pit());
3010 void BufferView::setCaretAscentDescent(int asc, int des)
3012 d->caret_ascent_ = asc;
3013 d->caret_descent_ = des;
3017 void BufferView::caretPosAndHeight(Point & p, int & h) const
3020 Cursor const & cur = cursor();
3021 if (cur.inMathed()) {
3022 asc = d->caret_ascent_;
3023 des = d->caret_descent_;
3025 Font const font = cur.real_current_font;
3026 frontend::FontMetrics const & fm = theFontMetrics(font);
3027 asc = fm.maxAscent();
3028 des = fm.maxDescent();
3036 bool BufferView::cursorInView(Point const & p, int h) const
3038 Cursor const & cur = cursor();
3039 // does the cursor touch the screen ?
3040 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3046 int BufferView::horizScrollOffset() const
3048 return d->horiz_scroll_offset_;
3052 int BufferView::horizScrollOffset(Text const * text,
3053 pit_type pit, pos_type pos) const
3055 // Is this a row that is currently scrolled?
3056 if (!d->current_row_slice_.empty()
3057 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3058 && pit == d->current_row_slice_.pit()
3059 && pos == d->current_row_slice_.pos())
3060 return d->horiz_scroll_offset_;
3065 bool BufferView::hadHorizScrollOffset(Text const * text,
3066 pit_type pit, pos_type pos) const
3068 return !d->last_row_slice_.empty()
3069 && &text->inset() == d->last_row_slice_.inset().asInsetText()
3070 && pit == d->last_row_slice_.pit()
3071 && pos == d->last_row_slice_.pos();
3075 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3077 // nothing to do if the cursor was already on this row
3078 if (d->current_row_slice_ == rowSlice) {
3079 d->last_row_slice_ = CursorSlice();
3083 // if the (previous) current row was scrolled, we have to
3084 // remember it in order to repaint it next time.
3085 if (d->horiz_scroll_offset_ != 0)
3086 d->last_row_slice_ = d->current_row_slice_;
3088 d->last_row_slice_ = CursorSlice();
3090 // Since we changed row, the scroll offset is not valid anymore
3091 d->horiz_scroll_offset_ = 0;
3092 d->current_row_slice_ = rowSlice;
3096 void BufferView::checkCursorScrollOffset()
3098 CursorSlice rowSlice = d->cursor_.bottom();
3099 TextMetrics const & tm = textMetrics(rowSlice.text());
3101 // Stop if metrics have not been computed yet, since it means
3102 // that there is nothing to do.
3103 if (!tm.contains(rowSlice.pit()))
3105 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3106 Row const & row = pm.getRow(rowSlice.pos(),
3107 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3108 rowSlice.pos() = row.pos();
3110 // Set the row on which the cursor lives.
3111 setCurrentRowSlice(rowSlice);
3113 // Current x position of the cursor in pixels
3114 int cur_x = getPos(d->cursor_).x_;
3116 // Horizontal scroll offset of the cursor row in pixels
3117 int offset = d->horiz_scroll_offset_;
3118 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3120 if (row.right_x() <= workWidth() - row.right_margin) {
3121 // Row is narrower than the work area, no offset needed.
3124 if (cur_x - offset < MARGIN) {
3125 // cursor would be too far right
3126 offset = cur_x - MARGIN;
3127 } else if (cur_x - offset > workWidth() - MARGIN) {
3128 // cursor would be too far left
3129 offset = cur_x - workWidth() + MARGIN;
3131 // Correct the offset to make sure that we do not scroll too much
3134 if (row.right_x() - offset < workWidth() - row.right_margin)
3135 offset = row.right_x() - workWidth() + row.right_margin;
3138 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3140 if (offset != d->horiz_scroll_offset_)
3141 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3142 << d->horiz_scroll_offset_ << " to " << offset);
3144 if (d->update_strategy_ == NoScreenUpdate
3145 && (offset != d->horiz_scroll_offset_
3146 || !d->last_row_slice_.empty())) {
3147 // FIXME: if one uses SingleParUpdate, then home/end
3148 // will not work on long rows. Why?
3149 d->update_strategy_ = FullScreenUpdate;
3152 d->horiz_scroll_offset_ = offset;
3156 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3158 if (height_ == 0 || width_ == 0)
3160 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3161 : "\t\t*** START DRAWING ***"));
3162 Text & text = buffer_.text();
3163 TextMetrics const & tm = d->text_metrics_[&text];
3164 int const y = tm.first().second->position();
3165 PainterInfo pi(this, pain);
3167 // Check whether the row where the cursor lives needs to be scrolled.
3168 // Update the drawing strategy if needed.
3169 checkCursorScrollOffset();
3171 switch (d->update_strategy_) {
3173 case NoScreenUpdate:
3174 // no screen painting is actually needed. In nodraw stage
3175 // however, the different coordinates of insets and paragraphs
3176 // needs to be updated.
3177 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3178 pi.full_repaint = false;
3179 if (pain.isNull()) {
3180 pi.full_repaint = true;
3183 pi.full_repaint = false;
3188 case SingleParUpdate:
3189 pi.full_repaint = false;
3190 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3191 // In general, only the current row of the outermost paragraph
3192 // will be redrawn. Particular cases where selection spans
3193 // multiple paragraph are correctly detected in TextMetrics.
3197 case DecorationUpdate:
3198 // FIXME: We should also distinguish DecorationUpdate to avoid text
3199 // drawing if possible. This is not possible to do easily right now
3200 // because of the single backing pixmap.
3202 case FullScreenUpdate:
3204 LYXERR(Debug::PAINTING,
3205 ((d->update_strategy_ == FullScreenUpdate)
3206 ? "Strategy: FullScreenUpdate"
3207 : "Strategy: DecorationUpdate"));
3209 // The whole screen, including insets, will be refreshed.
3210 pi.full_repaint = true;
3212 // Clear background.
3213 pain.fillRectangle(0, 0, width_, height_,
3214 pi.backgroundColor(&buffer_.inset()));
3219 // and possibly grey out below
3220 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3221 int const y2 = lastpm.second->position() + lastpm.second->descent();
3224 Color color = buffer().isInternal()
3225 ? Color_background : Color_bottomarea;
3226 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3230 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3231 : "\t\t *** END DRAWING ***"));
3233 // The scrollbar needs an update.
3236 // Normalize anchor for next time
3237 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3238 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3239 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3240 ParagraphMetrics const & pm = tm.parMetrics(pit);
3241 if (pm.position() + pm.descent() > 0) {
3242 if (d->anchor_pit_ != pit
3243 || d->anchor_ypos_ != pm.position())
3244 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3245 << " anchor ypos = " << d->anchor_ypos_);
3246 d->anchor_pit_ = pit;
3247 d->anchor_ypos_ = pm.position();
3251 if (!pain.isNull()) {
3252 // reset the update flags, everything has been done
3253 d->update_flags_ = Update::None;
3256 // If a caret has to be painted, mark its text row as dirty to
3257 //make sure that it will be repainted on next redraw.
3258 /* FIXME: investigate whether this can be avoided when the cursor did not
3262 Row const & caret_row = d->cursor_.textRow();
3263 caret_row.changed(true);
3268 void BufferView::message(docstring const & msg)
3271 d->gui_->message(msg);
3275 void BufferView::showDialog(string const & name)
3278 d->gui_->showDialog(name, string());
3282 void BufferView::showDialog(string const & name,
3283 string const & data, Inset * inset)
3286 d->gui_->showDialog(name, data, inset);
3290 void BufferView::updateDialog(string const & name, string const & data)
3293 d->gui_->updateDialog(name, data);
3297 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3303 // FIXME: Move this out of BufferView again
3304 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3306 if (!fname.isReadableFile()) {
3307 docstring const error = from_ascii(strerror(errno));
3308 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3309 docstring const text =
3310 bformat(_("Could not read the specified document\n"
3311 "%1$s\ndue to the error: %2$s"), file, error);
3312 Alert::error(_("Could not read file"), text);
3316 if (!fname.isReadableFile()) {
3317 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3318 docstring const text =
3319 bformat(_("%1$s\n is not readable."), file);
3320 Alert::error(_("Could not open file"), text);
3324 // FIXME UNICODE: We don't know the encoding of the file
3325 docstring file_content = fname.fileContents("UTF-8");
3326 if (file_content.empty()) {
3327 Alert::error(_("Reading not UTF-8 encoded file"),
3328 _("The file is not UTF-8 encoded.\n"
3329 "It will be read as local 8Bit-encoded.\n"
3330 "If this does not give the correct result\n"
3331 "then please change the encoding of the file\n"
3332 "to UTF-8 with a program other than LyX.\n"));
3333 file_content = fname.fileContents("local8bit");
3336 return normalize_c(file_content);
3340 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3342 docstring const tmpstr = contentsOfPlaintextFile(f);
3347 Cursor & cur = cursor();
3348 cap::replaceSelection(cur);
3349 buffer_.undo().recordUndo(cur);
3351 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3353 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3355 buffer_.changed(true);
3359 docstring const & BufferView::inlineCompletion() const
3361 return d->inlineCompletion_;
3365 size_t const & BufferView::inlineCompletionUniqueChars() const
3367 return d->inlineCompletionUniqueChars_;
3371 DocIterator const & BufferView::inlineCompletionPos() const
3373 return d->inlineCompletionPos_;
3377 void BufferView::resetInlineCompletionPos()
3379 d->inlineCompletionPos_ = DocIterator();
3383 bool samePar(DocIterator const & a, DocIterator const & b)
3385 if (a.empty() && b.empty())
3387 if (a.empty() || b.empty())
3389 if (a.depth() != b.depth())
3391 return &a.innerParagraph() == &b.innerParagraph();
3395 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3396 docstring const & completion, size_t uniqueChars)
3398 uniqueChars = min(completion.size(), uniqueChars);
3399 bool changed = d->inlineCompletion_ != completion
3400 || d->inlineCompletionUniqueChars_ != uniqueChars;
3401 bool singlePar = true;
3402 d->inlineCompletion_ = completion;
3403 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3405 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3408 DocIterator const & old = d->inlineCompletionPos_;
3410 //lyxerr << "inlineCompletionPos changed" << std::endl;
3411 // old or pos are in another paragraph?
3412 if ((!samePar(cur, pos) && !pos.empty())
3413 || (!samePar(cur, old) && !old.empty())) {
3415 //lyxerr << "different paragraph" << std::endl;
3417 d->inlineCompletionPos_ = pos;
3422 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3423 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3425 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3430 bool BufferView::clickableInset() const
3432 return d->clickable_inset_;