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/lyxlib.h"
86 #include "support/Package.h"
87 #include "support/types.h"
97 using namespace lyx::support;
101 namespace Alert = frontend::Alert;
105 /// Return an inset of this class if it exists at the current cursor position
107 T * getInsetByCode(Cursor const & cur, InsetCode code)
109 DocIterator it = cur;
110 Inset * inset = it.nextInset();
111 if (inset && inset->lyxCode() == code)
112 return static_cast<T*>(inset);
117 /// Note that comparing contents can only be used for InsetCommand
118 bool findNextInset(DocIterator & dit, vector<InsetCode> const & codes,
119 docstring const & contents)
121 DocIterator tmpdit = dit;
124 Inset const * inset = tmpdit.nextInset();
126 bool const valid_code = std::find(codes.begin(), codes.end(),
127 inset->lyxCode()) != codes.end();
128 InsetCommand const * ic = inset->asInsetCommand();
129 bool const same_or_no_contents = contents.empty()
130 || (ic && (ic->getFirstNonOptParam() == contents));
132 if (valid_code && same_or_no_contents) {
137 tmpdit.forwardInset();
144 /// Looks for next inset with one of the given codes.
145 /// Note that same_content can only be used for InsetCommand
146 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
150 DocIterator tmpdit = dit;
151 tmpdit.forwardInset();
155 Inset const * inset = tmpdit.nextInset();
156 if (same_content && inset) {
157 InsetCommand const * ic = inset->asInsetCommand();
159 bool const valid_code = std::find(codes.begin(), codes.end(),
160 ic->lyxCode()) != codes.end();
162 contents = ic->getFirstNonOptParam();
166 if (!findNextInset(tmpdit, codes, contents)) {
167 if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
168 inset = &tmpdit.bottom().inset();
169 tmpdit = doc_iterator_begin(&inset->buffer(), inset);
170 if (!findNextInset(tmpdit, codes, contents))
182 /// Looks for next inset with the given code
183 void findInset(DocIterator & dit, InsetCode code, bool same_content)
185 findInset(dit, vector<InsetCode>(1, code), same_content);
189 /// Moves cursor to the next inset with one of the given codes.
190 void gotoInset(BufferView * bv, vector<InsetCode> const & codes,
193 Cursor tmpcur = bv->cursor();
194 if (!findInset(tmpcur, codes, same_content)) {
195 bv->cursor().message(_("No more insets"));
199 tmpcur.clearSelection();
200 bv->setCursor(tmpcur);
205 /// Moves cursor to the next inset with given code.
206 void gotoInset(BufferView * bv, InsetCode code, bool same_content)
208 gotoInset(bv, vector<InsetCode>(1, code), same_content);
212 /// A map from a Text to the associated text metrics
213 typedef map<Text const *, TextMetrics> TextMetricsCache;
215 enum ScreenUpdateStrategy {
225 /////////////////////////////////////////////////////////////////////
229 /////////////////////////////////////////////////////////////////////
231 struct BufferView::Private
233 Private(BufferView & bv) :
234 update_strategy_(FullScreenUpdate),
235 update_flags_(Update::Force),
237 anchor_pit_(0), anchor_ypos_(0),
238 inlineCompletionUniqueChars_(0),
239 last_inset_(0), clickable_inset_(false),
240 mouse_position_cache_(),
241 bookmark_edit_position_(-1), gui_(0),
242 horiz_scroll_offset_(0)
244 xsel_cache_.set = false;
248 ScrollbarParameters scrollbarParameters_;
250 ScreenUpdateStrategy update_strategy_;
252 Update::flags update_flags_;
254 CoordCache coord_cache_;
256 typedef map<MathData const *, MathRow> MathRows;
259 /// Estimated average par height for scrollbar.
261 /// this is used to handle XSelection events in the right manner.
270 pit_type anchor_pit_;
274 vector<int> par_height_;
277 DocIterator inlineCompletionPos_;
279 docstring inlineCompletion_;
281 size_t inlineCompletionUniqueChars_;
283 /// keyboard mapping object.
286 /// last visited inset.
287 /** kept to send setMouseHover(false).
288 * Not owned, so don't delete.
290 Inset const * last_inset_;
291 /// are we hovering something that we can click
292 bool clickable_inset_;
294 /// position of the mouse at the time of the last mouse move
295 /// This is used to update the hovering status of inset in
296 /// cases where the buffer is scrolled, but the mouse didn't move.
297 Point mouse_position_cache_;
299 // cache for id of the paragraph which was edited the last time
300 int bookmark_edit_position_;
302 mutable TextMetricsCache text_metrics_;
305 /** Not owned, so don't delete.
307 frontend::GuiBufferViewDelegate * gui_;
309 /// Cache for Find Next
310 FuncRequest search_request_cache_;
313 map<string, Inset *> edited_insets_;
315 /// When the row where the cursor lies is scrolled, this
316 /// contains the scroll offset
317 int horiz_scroll_offset_;
318 /// a slice pointing to the start of the row where the cursor
319 /// is (at last draw time)
320 CursorSlice current_row_slice_;
324 BufferView::BufferView(Buffer & buf)
325 : width_(0), height_(0), full_screen_(false), buffer_(buf),
326 d(new Private(*this))
328 d->xsel_cache_.set = false;
329 d->intl_.initKeyMapper(lyxrc.use_kbmap);
331 d->cursor_.setBuffer(&buf);
332 d->cursor_.push(buffer_.inset());
333 d->cursor_.resetAnchor();
334 d->cursor_.setCurrentFont();
336 buffer_.updatePreviews();
340 BufferView::~BufferView()
342 // current buffer is going to be switched-off, save cursor pos
343 // Ideally, the whole cursor stack should be saved, but session
344 // currently can only handle bottom (whole document) level pit and pos.
345 // That is to say, if a cursor is in a nested inset, it will be
346 // restore to the left of the top level inset.
347 LastFilePosSection::FilePos fp;
348 fp.file = buffer_.fileName();
349 fp.pit = d->cursor_.bottom().pit();
350 fp.pos = d->cursor_.bottom().pos();
351 theSession().lastFilePos().save(fp);
354 d->last_inset_->setMouseHover(this, false);
360 int BufferView::rightMargin() const
362 // The value used to be hardcoded to 10
363 int const default_margin = zoomedPixels(10);
364 // The additional test for the case the outliner is opened.
365 if (!full_screen_ || !lyxrc.full_screen_limit
366 || width_ < lyxrc.full_screen_width + 2 * default_margin)
367 return default_margin;
369 return (width_ - lyxrc.full_screen_width) / 2;
373 int BufferView::leftMargin() const
375 return rightMargin();
379 int BufferView::inPixels(Length const & len) const
381 Font const font = buffer().params().getFont();
382 return len.inPixels(workWidth(), theFontMetrics(font).em());
386 int BufferView::zoomedPixels(int pix) const
388 // FIXME: the dpi setting should really depend on the BufferView
389 // (think different monitors).
391 // Zoom factor specified by user in percent
392 double const zoom = lyxrc.currentZoom / 100.0; // [percent]
394 // DPI setting for monitor relative to 100dpi
395 double const dpizoom = lyxrc.dpi / 100.0; // [per 100dpi]
397 return support::iround(pix * zoom * dpizoom);
401 bool BufferView::isTopScreen() const
403 return 0 == d->scrollbarParameters_.min;
407 bool BufferView::isBottomScreen() const
409 return 0 == d->scrollbarParameters_.max;
413 Intl & BufferView::getIntl()
419 Intl const & BufferView::getIntl() const
425 CoordCache & BufferView::coordCache()
427 return d->coord_cache_;
431 CoordCache const & BufferView::coordCache() const
433 return d->coord_cache_;
437 MathRow const & BufferView::mathRow(MathData const * cell) const
439 auto it = d->math_rows_.find(cell);
440 LATTEST(it != d->math_rows_.end());
445 void BufferView::setMathRow(MathData const * cell, MathRow const & mrow)
447 d->math_rows_[cell] = mrow;
451 Buffer & BufferView::buffer()
457 Buffer const & BufferView::buffer() const
463 bool BufferView::needsFitCursor() const
465 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
466 frontend::FontMetrics const & fm =
467 theFontMetrics(d->cursor_.getFont().fontInfo());
468 int const asc = fm.maxAscent();
469 int const des = fm.maxDescent();
470 Point const p = getPos(d->cursor_);
471 if (p.y_ - asc >= 0 && p.y_ + des < height_)
480 // this is for debugging only.
481 string flagsAsString(Update::flags flags)
483 if (flags == Update::None)
485 return string((flags & Update::FitCursor) ? "FitCursor " : "")
486 + ((flags & Update::Force) ? "Force " : "")
487 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
488 + ((flags & Update::SinglePar) ? "SinglePar " : "")
489 + ((flags & Update::Decoration) ? "Decoration " : "");
494 void BufferView::processUpdateFlags(Update::flags flags)
496 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
497 << flagsAsString(flags) << ") buffer: " << &buffer_);
499 // Case when no explicit update is requested.
500 if (flags == Update::None)
503 /* FIXME We would like to avoid doing this here, since it is very
504 * expensive and is called in updateBuffer already. However, even
505 * inserting a plain character can invalidate the overly fragile
506 * tables of child documents built by updateMacros. Some work is
507 * needed to avoid doing that when not necessary.
509 buffer_.updateMacros();
511 // First check whether the metrics and inset positions should be updated
512 if (flags & Update::Force) {
513 // This will update the CoordCache items and replace Force
514 // with ForceDraw in flags.
515 updateMetrics(flags);
518 // Detect whether we can only repaint a single paragraph (if we
519 // are not already redrawing all).
520 // We handle this before FitCursor because the later will require
521 // correct metrics at cursor position.
522 if (!(flags & Update::ForceDraw)
523 && (flags & Update::SinglePar)
524 && !singleParUpdate())
525 updateMetrics(flags);
527 // Then make sure that the screen contains the cursor if needed
528 if (flags & Update::FitCursor) {
529 if (needsFitCursor()) {
530 scrollToCursor(d->cursor_, false);
531 // Metrics have to be recomputed (maybe again)
532 updateMetrics(flags);
534 flags = flags & ~Update::FitCursor;
537 // Add flags to the the update flags. These will be reset to None
538 // after the redraw is actually done
539 d->update_flags_ = d->update_flags_ | flags;
540 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
542 // Now compute the update strategy
543 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
544 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
545 | Update::Decoration | Update::ForceDraw)) == 0);
547 if (d->update_flags_ & Update::ForceDraw)
548 d->update_strategy_ = FullScreenUpdate;
549 else if (d->update_flags_ & Update::Decoration)
550 d->update_strategy_ = DecorationUpdate;
551 else if (d->update_flags_ & Update::SinglePar)
552 d->update_strategy_ = SingleParUpdate;
554 // no need to redraw anything.
555 d->update_strategy_ = NoScreenUpdate;
558 updateHoveredInset();
561 buffer_.changed(false);
565 void BufferView::updateScrollbar()
567 if (height_ == 0 && width_ == 0)
570 // We prefer fixed size line scrolling.
571 d->scrollbarParameters_.single_step = defaultRowHeight();
572 // We prefer full screen page scrolling.
573 d->scrollbarParameters_.page_step = height_;
575 Text & t = buffer_.text();
576 TextMetrics & tm = d->text_metrics_[&t];
578 LYXERR(Debug::GUI, " Updating scrollbar: height: "
579 << t.paragraphs().size()
580 << " curr par: " << d->cursor_.bottom().pit()
581 << " default height " << defaultRowHeight());
583 size_t const parsize = t.paragraphs().size();
584 if (d->par_height_.size() != parsize) {
585 d->par_height_.clear();
586 // FIXME: We assume a default paragraph height of 2 rows. This
587 // should probably be pondered with the screen width.
588 d->par_height_.resize(parsize, defaultRowHeight() * 2);
591 // Look at paragraph heights on-screen
592 pair<pit_type, ParagraphMetrics const *> first = tm.first();
593 pair<pit_type, ParagraphMetrics const *> last = tm.last();
594 for (pit_type pit = first.first; pit <= last.first; ++pit) {
595 d->par_height_[pit] = tm.parMetrics(pit).height();
596 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
597 << d->par_height_[pit]);
600 int top_pos = first.second->position() - first.second->ascent();
601 int bottom_pos = last.second->position() + last.second->descent();
602 bool first_visible = first.first == 0 && top_pos >= 0;
603 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
604 if (first_visible && last_visible) {
605 d->scrollbarParameters_.min = 0;
606 d->scrollbarParameters_.max = 0;
610 d->scrollbarParameters_.min = top_pos;
611 for (size_t i = 0; i != size_t(first.first); ++i)
612 d->scrollbarParameters_.min -= d->par_height_[i];
613 d->scrollbarParameters_.max = bottom_pos;
614 for (size_t i = last.first + 1; i != parsize; ++i)
615 d->scrollbarParameters_.max += d->par_height_[i];
617 // The reference is the top position so we remove one page.
618 if (lyxrc.scroll_below_document)
619 d->scrollbarParameters_.max -= minVisiblePart();
621 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
623 // 0 must be inside the range as it denotes the current position
624 if (d->scrollbarParameters_.max < 0)
625 d->scrollbarParameters_.max = 0;
626 if (d->scrollbarParameters_.min > 0)
627 d->scrollbarParameters_.min = 0;
631 ScrollbarParameters const & BufferView::scrollbarParameters() const
633 return d->scrollbarParameters_;
637 docstring BufferView::toolTip(int x, int y) const
639 // Get inset under mouse, if there is one.
640 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
642 // No inset, no tooltip...
644 return covering_inset->toolTip(*this, x, y);
648 string BufferView::contextMenu(int x, int y) const
650 //If there is a selection, return the containing inset menu
651 if (d->cursor_.selection())
652 return d->cursor_.inset().contextMenu(*this, x, y);
654 // Get inset under mouse, if there is one.
655 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
657 return covering_inset->contextMenu(*this, x, y);
659 return buffer_.inset().contextMenu(*this, x, y);
664 void BufferView::scrollDocView(int const value, bool update)
666 // The scrollbar values are relative to the top of the screen, therefore the
667 // offset is equal to the target value.
669 // No scrolling at all? No need to redraw anything
673 // If the offset is less than 2 screen height, prefer to scroll instead.
674 if (abs(value) <= 2 * height_) {
675 d->anchor_ypos_ -= value;
676 processUpdateFlags(Update::Force);
680 // cut off at the top
681 if (value <= d->scrollbarParameters_.min) {
682 DocIterator dit = doc_iterator_begin(&buffer_);
683 showCursor(dit, false, update);
684 LYXERR(Debug::SCROLLING, "scroll to top");
688 // cut off at the bottom
689 if (value >= d->scrollbarParameters_.max) {
690 DocIterator dit = doc_iterator_end(&buffer_);
692 showCursor(dit, false, update);
693 LYXERR(Debug::SCROLLING, "scroll to bottom");
697 // find paragraph at target position
698 int par_pos = d->scrollbarParameters_.min;
700 for (; i != int(d->par_height_.size()); ++i) {
701 par_pos += d->par_height_[i];
702 if (par_pos >= value)
706 if (par_pos < value) {
707 // It seems we didn't find the correct pit so stay on the safe side and
709 LYXERR0("scrolling position not found!");
710 scrollDocView(d->scrollbarParameters_.max, update);
714 DocIterator dit = doc_iterator_begin(&buffer_);
716 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
717 showCursor(dit, false, update);
721 // FIXME: this method is not working well.
722 void BufferView::setCursorFromScrollbar()
724 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
726 int const height = 2 * defaultRowHeight();
727 int const first = height;
728 int const last = height_ - height;
730 Cursor const & oldcur = d->cursor_;
732 switch (cursorStatus(oldcur)) {
740 int const y = getPos(oldcur).y_;
741 newy = min(last, max(y, first));
745 // We reset the cursor because cursorStatus() does not
746 // work when the cursor is within mathed.
749 tm.setCursorFromCoordinates(cur, 0, newy);
751 // update the bufferview cursor and notify insets
752 // FIXME: Care about the d->cursor_ flags to redraw if needed
753 Cursor old = d->cursor_;
755 // the DEPM call in mouseSetCursor() might have destroyed the
756 // paragraph the cursor is in.
757 bool badcursor = old.fixIfBroken();
758 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
760 d->cursor_.fixIfBroken();
764 Change const BufferView::getCurrentChange() const
766 if (!d->cursor_.selection())
767 return Change(Change::UNCHANGED);
769 DocIterator dit = d->cursor_.selectionBegin();
770 // The selected content might have been changed (see #7685)
771 dit = dit.getInnerText();
772 return dit.paragraph().lookupChange(dit.pos());
776 // this could be used elsewhere as well?
777 // FIXME: This does not work within mathed!
778 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
780 Point const p = getPos(dit);
783 if (p.y_ > workHeight())
789 void BufferView::bookmarkEditPosition()
791 // Don't eat cpu time for each keystroke
792 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
795 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
799 void BufferView::saveBookmark(unsigned int idx)
801 // tentatively save bookmark, id and pos will be used to
802 // acturately locate a bookmark in a 'live' lyx session.
803 // pit and pos will be updated with bottom level pit/pos
805 if (!buffer_.isInternal()) {
806 theSession().bookmarks().save(
808 d->cursor_.bottom().pit(),
809 d->cursor_.bottom().pos(),
810 d->cursor_.paragraph().id(),
815 // emit message signal.
816 message(_("Save bookmark"));
821 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
822 int top_id, pos_type top_pos)
824 bool success = false;
827 d->cursor_.clearSelection();
829 // if a valid par_id is given, try it first
830 // This is the case for a 'live' bookmark when unique paragraph ID
831 // is used to track bookmarks.
833 dit = buffer_.getParFromID(top_id);
835 dit.pos() = min(dit.paragraph().size(), top_pos);
836 // Some slices of the iterator may not be
837 // reachable (e.g. closed collapsible inset)
838 // so the dociterator may need to be
839 // shortened. Otherwise, setCursor may crash
840 // lyx when the cursor can not be set to these
842 size_t const n = dit.depth();
843 for (size_t i = 0; i < n; ++i)
844 if (!dit[i].inset().editable()) {
852 // if top_id == 0, or searching through top_id failed
853 // This is the case for a 'restored' bookmark when only bottom
854 // (document level) pit was saved. Because of this, bookmark
855 // restoration is inaccurate. If a bookmark was within an inset,
856 // it will be restored to the left of the outmost inset that contains
858 if (bottom_pit < int(buffer_.paragraphs().size())) {
859 dit = doc_iterator_begin(&buffer_);
861 dit.pit() = bottom_pit;
862 dit.pos() = min(bottom_pos, dit.paragraph().size());
867 // Note: only bottom (document) level pit is set.
869 // set the current font.
870 d->cursor_.setCurrentFont();
871 // Do not forget to reset the anchor (see #9912)
872 d->cursor_.resetAnchor();
873 processUpdateFlags(Update::Force | Update::FitCursor);
880 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
882 if (d->cursor_.real_current_font.isRightToLeft()) {
883 if (d->intl_.keymap == Intl::PRIMARY)
884 d->intl_.keyMapSec();
886 if (d->intl_.keymap == Intl::SECONDARY)
887 d->intl_.keyMapPrim();
890 d->intl_.getTransManager().translateAndInsert(c, t, cur);
894 int BufferView::workWidth() const
900 void BufferView::recenter()
902 showCursor(d->cursor_, true, true);
906 void BufferView::showCursor()
908 showCursor(d->cursor_, false, true);
912 void BufferView::showCursor(DocIterator const & dit,
913 bool recenter, bool update)
915 if (scrollToCursor(dit, recenter) && update)
916 processUpdateFlags(Update::Force);
920 void BufferView::scrollToCursor()
922 if (scrollToCursor(d->cursor_, false))
923 processUpdateFlags(Update::Force);
927 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
929 // We are not properly started yet, delay until resizing is
934 LYXERR(Debug::SCROLLING, "recentering!");
936 CursorSlice const & bot = dit.bottom();
937 TextMetrics & tm = d->text_metrics_[bot.text()];
939 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
940 int bot_pit = bot.pit();
941 if (bot_pit > max_pit) {
942 // FIXME: Why does this happen?
943 LYXERR0("bottom pit is greater that max pit: "
944 << bot_pit << " > " << max_pit);
948 if (bot_pit == tm.first().first - 1)
949 tm.newParMetricsUp();
950 else if (bot_pit == tm.last().first + 1)
951 tm.newParMetricsDown();
953 if (tm.contains(bot_pit)) {
954 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
955 LBUFERR(!pm.rows().empty());
956 // FIXME: smooth scrolling doesn't work in mathed.
957 CursorSlice const & cs = dit.innerTextSlice();
958 int offset = coordOffset(dit).y_;
959 int ypos = pm.position() + offset;
960 Dimension const & row_dim =
961 pm.getRow(cs.pos(), dit.boundary()).dim();
964 scrolled = scroll(ypos - height_/2);
966 // We try to visualize the whole row, if the row height is larger than
967 // the screen height, we scroll to a heuristic value of height_ / 4.
968 // FIXME: This heuristic value should be replaced by a recursive search
969 // for a row in the inset that can be visualized completely.
970 else if (row_dim.height() > height_) {
971 if (ypos < defaultRowHeight())
972 scrolled = scroll(ypos - height_ / 4);
973 else if (ypos > height_ - defaultRowHeight())
974 scrolled = scroll(ypos - 3 * height_ / 4);
977 // If the top part of the row falls of the screen, we scroll
978 // up to align the top of the row with the top of the screen.
979 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
980 int ynew = row_dim.ascent();
981 scrolled = scrollUp(ynew - ypos);
984 // If the bottom of the row falls of the screen, we scroll down.
985 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
986 int ynew = height_ - row_dim.descent();
987 scrolled = scrollDown(ypos - ynew);
990 // else, nothing to do, the cursor is already visible so we just return.
991 return scrolled != 0;
994 // fix inline completion position
995 if (d->inlineCompletionPos_.fixIfBroken())
996 d->inlineCompletionPos_ = DocIterator();
998 tm.redoParagraph(bot_pit);
999 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
1000 int offset = coordOffset(dit).y_;
1002 d->anchor_pit_ = bot_pit;
1003 CursorSlice const & cs = dit.innerTextSlice();
1004 Dimension const & row_dim =
1005 pm.getRow(cs.pos(), dit.boundary()).dim();
1008 d->anchor_ypos_ = height_/2;
1009 else if (d->anchor_pit_ == 0)
1010 d->anchor_ypos_ = offset + pm.ascent();
1011 else if (d->anchor_pit_ == max_pit)
1012 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1013 else if (offset > height_)
1014 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1016 d->anchor_ypos_ = defaultRowHeight() * 2;
1022 void BufferView::makeDocumentClass()
1024 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1025 buffer_.params().makeDocumentClass();
1026 updateDocumentClass(olddc);
1030 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1032 message(_("Converting document to new document class..."));
1034 StableDocIterator backcur(d->cursor_);
1035 ErrorList & el = buffer_.errorList("Class Switch");
1036 cap::switchBetweenClasses(
1037 olddc, buffer_.params().documentClassPtr(),
1038 static_cast<InsetText &>(buffer_.inset()), el);
1040 setCursor(backcur.asDocIterator(&buffer_));
1042 buffer_.errors("Class Switch");
1046 /** Return the change status at cursor position, taking into account the
1047 * status at each level of the document iterator (a table in a deleted
1048 * footnote is deleted).
1049 * When \param outer is true, the top slice is not looked at.
1051 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1053 size_t const depth = dit.depth() - (outer ? 1 : 0);
1055 for (size_t i = 0 ; i < depth ; ++i) {
1056 CursorSlice const & slice = dit[i];
1057 if (!slice.inset().inMathed()
1058 && slice.pos() < slice.paragraph().size()) {
1059 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1060 if (ch != Change::UNCHANGED)
1064 return Change::UNCHANGED;
1068 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1070 FuncCode const act = cmd.action();
1072 // Can we use a readonly buffer?
1073 if (buffer_.isReadonly()
1074 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1075 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1076 if (buffer_.hasReadonlyFlag())
1077 flag.message(from_utf8(N_("Document is read-only")));
1079 flag.message(from_utf8(N_("Document has been modified externally")));
1080 flag.setEnabled(false);
1084 // Are we in a DELETED change-tracking region?
1085 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1086 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1087 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1088 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1089 flag.setEnabled(false);
1093 Cursor & cur = d->cursor_;
1095 if (cur.getStatus(cmd, flag))
1100 // FIXME: This is a bit problematic because we don't check if this is
1101 // a document BufferView or not for these LFUNs. We probably have to
1102 // dispatch both to currentBufferView() and, if that fails,
1103 // to documentBufferView(); same as we do now for current Buffer and
1104 // document Buffer. Ideally those LFUN should go to Buffer as they
1105 // operate on the full Buffer and the cursor is only needed either for
1106 // an Undo record or to restore a cursor position. But we don't know
1107 // how to do that inside Buffer of course.
1108 case LFUN_BUFFER_PARAMS_APPLY:
1109 case LFUN_LAYOUT_MODULES_CLEAR:
1110 case LFUN_LAYOUT_MODULE_ADD:
1111 case LFUN_LAYOUT_RELOAD:
1112 case LFUN_TEXTCLASS_APPLY:
1113 case LFUN_TEXTCLASS_LOAD:
1114 flag.setEnabled(!buffer_.isReadonly());
1118 // We do not use the LyXAction flag for readonly because Undo sets the
1119 // buffer clean/dirty status by itself.
1120 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1123 // We do not use the LyXAction flag for readonly because Redo sets the
1124 // buffer clean/dirty status by itself.
1125 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1127 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1128 case LFUN_FILE_INSERT_PLAINTEXT: {
1129 docstring const fname = cmd.argument();
1130 if (!FileName::isAbsolute(to_utf8(fname))) {
1131 flag.message(_("Absolute filename expected."));
1134 flag.setEnabled(cur.inTexted());
1137 case LFUN_FILE_INSERT:
1138 case LFUN_BOOKMARK_SAVE:
1139 // FIXME: Actually, these LFUNS should be moved to Text
1140 flag.setEnabled(cur.inTexted());
1143 case LFUN_FONT_STATE:
1144 case LFUN_LABEL_INSERT:
1145 case LFUN_INFO_INSERT:
1146 case LFUN_PARAGRAPH_GOTO:
1147 case LFUN_NOTE_NEXT:
1148 case LFUN_REFERENCE_NEXT:
1149 case LFUN_WORD_FIND:
1150 case LFUN_WORD_FIND_FORWARD:
1151 case LFUN_WORD_FIND_BACKWARD:
1152 case LFUN_WORD_REPLACE:
1155 case LFUN_MARK_TOGGLE:
1156 case LFUN_SCREEN_RECENTER:
1157 case LFUN_SCREEN_SHOW_CURSOR:
1158 case LFUN_BIBTEX_DATABASE_ADD:
1159 case LFUN_BIBTEX_DATABASE_DEL:
1160 case LFUN_STATISTICS:
1161 case LFUN_KEYMAP_OFF:
1162 case LFUN_KEYMAP_PRIMARY:
1163 case LFUN_KEYMAP_SECONDARY:
1164 case LFUN_KEYMAP_TOGGLE:
1165 case LFUN_INSET_SELECT_ALL:
1166 flag.setEnabled(true);
1169 case LFUN_GRAPHICS_UNIFY:
1170 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1173 case LFUN_WORD_FINDADV: {
1174 FindAndReplaceOptions opt;
1175 istringstream iss(to_utf8(cmd.argument()));
1177 flag.setEnabled(opt.repl_buf_name.empty()
1178 || !buffer_.isReadonly());
1182 case LFUN_LABEL_GOTO:
1183 flag.setEnabled(!cmd.argument().empty()
1184 || getInsetByCode<InsetRef>(cur, REF_CODE));
1187 case LFUN_CHANGES_MERGE:
1188 case LFUN_CHANGE_NEXT:
1189 case LFUN_CHANGE_PREVIOUS:
1190 case LFUN_ALL_CHANGES_ACCEPT:
1191 case LFUN_ALL_CHANGES_REJECT:
1192 flag.setEnabled(buffer_.areChangesPresent());
1195 case LFUN_SCREEN_UP:
1196 case LFUN_SCREEN_DOWN:
1198 case LFUN_SCREEN_UP_SELECT:
1199 case LFUN_SCREEN_DOWN_SELECT:
1200 case LFUN_INSET_FORALL:
1201 flag.setEnabled(true);
1204 case LFUN_LAYOUT_TABULAR:
1205 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1209 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1212 case LFUN_LAYOUT_PARAGRAPH:
1213 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1216 case LFUN_BRANCH_ADD_INSERT:
1217 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1220 case LFUN_DIALOG_SHOW_NEW_INSET:
1221 // FIXME: this is wrong, but I do not understand the
1223 if (cur.inset().lyxCode() == CAPTION_CODE)
1224 return cur.inset().getStatus(cur, cmd, flag);
1225 // FIXME we should consider passthru paragraphs too.
1226 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1229 case LFUN_CITATION_INSERT: {
1230 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1231 // FIXME: This could turn in a recursive hell.
1232 // Shouldn't we use Buffer::getStatus() instead?
1233 flag.setEnabled(lyx::getStatus(fr).enabled());
1236 case LFUN_INSET_APPLY: {
1237 string const name = cmd.getArg(0);
1238 Inset * inset = editedInset(name);
1240 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1241 if (!inset->getStatus(cur, fr, flag)) {
1242 // Every inset is supposed to handle this
1243 LASSERT(false, break);
1246 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1247 flag = lyx::getStatus(fr);
1260 Inset * BufferView::editedInset(string const & name) const
1262 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1263 return it == d->edited_insets_.end() ? 0 : it->second;
1267 void BufferView::editInset(string const & name, Inset * inset)
1270 d->edited_insets_[name] = inset;
1272 d->edited_insets_.erase(name);
1276 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1278 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1280 string const argument = to_utf8(cmd.argument());
1281 Cursor & cur = d->cursor_;
1284 // Don't dispatch function that does not apply to internal buffers.
1285 if (buffer_.isInternal()
1286 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1289 // We'll set this back to false if need be.
1290 bool dispatched = true;
1291 buffer_.undo().beginUndoGroup();
1293 FuncCode const act = cmd.action();
1296 case LFUN_BUFFER_PARAMS_APPLY: {
1297 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1298 cur.recordUndoBufferParams();
1299 istringstream ss(to_utf8(cmd.argument()));
1302 int const unknown_tokens = buffer_.readHeader(lex);
1303 if (unknown_tokens != 0) {
1304 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1305 << unknown_tokens << " unknown token"
1306 << (unknown_tokens == 1 ? "" : "s"));
1308 updateDocumentClass(olddc);
1310 // We are most certainly here because of a change in the document
1311 // It is then better to make sure that all dialogs are in sync with
1312 // current document settings.
1313 dr.screenUpdate(Update::Force | Update::FitCursor);
1314 dr.forceBufferUpdate();
1318 case LFUN_LAYOUT_MODULES_CLEAR: {
1319 // FIXME: this modifies the document in cap::switchBetweenClasses
1320 // without calling recordUndo. Fix this before using
1321 // recordUndoBufferParams().
1322 cur.recordUndoFullBuffer();
1323 buffer_.params().clearLayoutModules();
1324 makeDocumentClass();
1325 dr.screenUpdate(Update::Force);
1326 dr.forceBufferUpdate();
1330 case LFUN_LAYOUT_MODULE_ADD: {
1331 BufferParams const & params = buffer_.params();
1332 if (!params.layoutModuleCanBeAdded(argument)) {
1333 LYXERR0("Module `" << argument <<
1334 "' cannot be added due to failed requirements or "
1335 "conflicts with installed modules.");
1338 // FIXME: this modifies the document in cap::switchBetweenClasses
1339 // without calling recordUndo. Fix this before using
1340 // recordUndoBufferParams().
1341 cur.recordUndoFullBuffer();
1342 buffer_.params().addLayoutModule(argument);
1343 makeDocumentClass();
1344 dr.screenUpdate(Update::Force);
1345 dr.forceBufferUpdate();
1349 case LFUN_TEXTCLASS_APPLY: {
1350 // since this shortcircuits, the second call is made only if
1352 bool const success =
1353 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1354 LayoutFileList::get().load(argument, buffer_.filePath());
1356 docstring s = bformat(_("The document class `%1$s' "
1357 "could not be loaded."), from_utf8(argument));
1358 frontend::Alert::error(_("Could not load class"), s);
1362 LayoutFile const * old_layout = buffer_.params().baseClass();
1363 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1365 if (old_layout == new_layout)
1369 // Save the old, possibly modular, layout for use in conversion.
1370 // FIXME: this modifies the document in cap::switchBetweenClasses
1371 // without calling recordUndo. Fix this before using
1372 // recordUndoBufferParams().
1373 cur.recordUndoFullBuffer();
1374 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1375 makeDocumentClass();
1376 dr.screenUpdate(Update::Force);
1377 dr.forceBufferUpdate();
1381 case LFUN_TEXTCLASS_LOAD: {
1382 // since this shortcircuits, the second call is made only if
1384 bool const success =
1385 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1386 LayoutFileList::get().load(argument, buffer_.filePath());
1388 docstring s = bformat(_("The document class `%1$s' "
1389 "could not be loaded."), from_utf8(argument));
1390 frontend::Alert::error(_("Could not load class"), s);
1395 case LFUN_LAYOUT_RELOAD: {
1396 LayoutFileIndex bc = buffer_.params().baseClassID();
1397 LayoutFileList::get().reset(bc);
1398 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1399 makeDocumentClass();
1400 dr.screenUpdate(Update::Force);
1401 dr.forceBufferUpdate();
1406 dr.setMessage(_("Undo"));
1407 cur.clearSelection();
1408 // We need to find out if the bibliography information
1409 // has changed. See bug #11055.
1410 // So these should not be references...
1411 string const engine = buffer().params().citeEngine();
1412 CiteEngineType const enginetype = buffer().params().citeEngineType();
1413 if (!cur.undoAction())
1414 dr.setMessage(_("No further undo information"));
1416 dr.screenUpdate(Update::Force | Update::FitCursor);
1417 dr.forceBufferUpdate();
1418 if (buffer().params().citeEngine() != engine ||
1419 buffer().params().citeEngineType() != enginetype)
1420 buffer().invalidateCiteLabels();
1426 dr.setMessage(_("Redo"));
1427 cur.clearSelection();
1428 // We need to find out if the bibliography information
1429 // has changed. See bug #11055.
1430 // So these should not be references...
1431 string const engine = buffer().params().citeEngine();
1432 CiteEngineType const enginetype = buffer().params().citeEngineType();
1433 if (!cur.redoAction())
1434 dr.setMessage(_("No further redo information"));
1436 dr.screenUpdate(Update::Force | Update::FitCursor);
1437 dr.forceBufferUpdate();
1438 if (buffer().params().citeEngine() != engine ||
1439 buffer().params().citeEngineType() != enginetype)
1440 buffer().invalidateCiteLabels();
1445 case LFUN_FONT_STATE:
1446 dr.setMessage(cur.currentState(false));
1449 case LFUN_BOOKMARK_SAVE:
1450 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1453 case LFUN_LABEL_GOTO: {
1454 docstring label = cmd.argument();
1455 if (label.empty()) {
1457 getInsetByCode<InsetRef>(cur, REF_CODE);
1459 label = inset->getParam("reference");
1460 // persistent=false: use temp_bookmark
1464 if (!label.empty()) {
1466 // at the moment, this is redundant, since gotoLabel will
1467 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1469 dr.screenUpdate(Update::Force | Update::FitCursor);
1474 case LFUN_PARAGRAPH_GOTO: {
1475 int const id = convert<int>(cmd.getArg(0));
1476 pos_type const pos = convert<int>(cmd.getArg(1));
1479 string const str_id_end = cmd.getArg(2);
1480 string const str_pos_end = cmd.getArg(3);
1482 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1483 b = theBufferList().next(b)) {
1486 curs.setCursor(b->getParFromID(id));
1488 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1492 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1493 << " found in buffer `"
1494 << b->absFileName() << "'.");
1496 if (b == &buffer_) {
1498 if (str_id_end.empty() || str_pos_end.empty()) {
1501 mouseSetCursor(curs);
1504 int const id_end = convert<int>(str_id_end);
1505 pos_type const pos_end = convert<int>(str_pos_end);
1506 success = setCursorFromEntries({id, pos},
1510 dr.screenUpdate(Update::Force | Update::FitCursor);
1512 // Switch to other buffer view and resend cmd
1513 lyx::dispatch(FuncRequest(
1514 LFUN_BUFFER_SWITCH, b->absFileName()));
1522 case LFUN_NOTE_NEXT:
1523 gotoInset(this, NOTE_CODE, false);
1526 case LFUN_REFERENCE_NEXT: {
1527 vector<InsetCode> tmp;
1528 tmp.push_back(LABEL_CODE);
1529 tmp.push_back(REF_CODE);
1530 gotoInset(this, tmp, true);
1534 case LFUN_CHANGE_NEXT:
1535 findNextChange(this);
1536 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1537 dr.screenUpdate(Update::Force | Update::FitCursor);
1540 case LFUN_CHANGE_PREVIOUS:
1541 findPreviousChange(this);
1542 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1543 dr.screenUpdate(Update::Force | Update::FitCursor);
1546 case LFUN_CHANGES_MERGE:
1547 if (findNextChange(this) || findPreviousChange(this)) {
1548 dr.screenUpdate(Update::Force | Update::FitCursor);
1549 dr.forceBufferUpdate();
1550 showDialog("changes");
1554 case LFUN_ALL_CHANGES_ACCEPT:
1555 // select complete document
1557 cur.selHandle(true);
1558 buffer_.text().cursorBottom(cur);
1559 // accept everything in a single step to support atomic undo
1560 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1562 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1563 dr.screenUpdate(Update::Force | Update::FitCursor);
1564 dr.forceBufferUpdate();
1567 case LFUN_ALL_CHANGES_REJECT:
1568 // select complete document
1570 cur.selHandle(true);
1571 buffer_.text().cursorBottom(cur);
1572 // reject everything in a single step to support atomic undo
1573 // Note: reject does not work recursively; the user may have to repeat the operation
1574 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1576 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1577 dr.screenUpdate(Update::Force | Update::FitCursor);
1578 dr.forceBufferUpdate();
1581 case LFUN_WORD_FIND_FORWARD:
1582 case LFUN_WORD_FIND_BACKWARD: {
1584 // Would it maybe be better if this variable were view specific anyway?
1585 static docstring last_search;
1586 docstring searched_string;
1588 if (!cmd.argument().empty()) {
1589 last_search = cmd.argument();
1590 searched_string = cmd.argument();
1592 searched_string = last_search;
1595 if (searched_string.empty())
1598 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1599 docstring const data =
1600 find2string(searched_string, true, false, fw);
1601 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1603 dr.screenUpdate(Update::Force | Update::FitCursor);
1607 case LFUN_WORD_FIND: {
1608 FuncRequest req = cmd;
1609 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1610 req = d->search_request_cache_;
1611 if (req.argument().empty()) {
1612 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1615 if (lyxfind(this, req))
1616 dr.screenUpdate(Update::Force | Update::FitCursor);
1618 d->search_request_cache_ = req;
1622 case LFUN_WORD_REPLACE: {
1623 bool has_deleted = false;
1624 if (cur.selection()) {
1625 DocIterator beg = cur.selectionBegin();
1626 DocIterator end = cur.selectionEnd();
1627 if (beg.pit() == end.pit()) {
1628 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1629 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1636 if (lyxreplace(this, cmd, has_deleted)) {
1637 dr.forceBufferUpdate();
1638 dr.screenUpdate(Update::Force | Update::FitCursor);
1643 case LFUN_WORD_FINDADV: {
1644 FindAndReplaceOptions opt;
1645 istringstream iss(to_utf8(cmd.argument()));
1647 if (findAdv(this, opt)) {
1648 dr.screenUpdate(Update::Force | Update::FitCursor);
1659 cur.clearSelection();
1660 dr.setMessage(from_utf8(N_("Mark off")));
1664 cur.clearSelection();
1666 dr.setMessage(from_utf8(N_("Mark on")));
1669 case LFUN_MARK_TOGGLE:
1670 cur.selection(false);
1673 dr.setMessage(from_utf8(N_("Mark removed")));
1676 dr.setMessage(from_utf8(N_("Mark set")));
1681 case LFUN_SCREEN_SHOW_CURSOR:
1685 case LFUN_SCREEN_RECENTER:
1689 case LFUN_BIBTEX_DATABASE_ADD: {
1690 Cursor tmpcur = cur;
1691 findInset(tmpcur, BIBTEX_CODE, false);
1692 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1695 if (inset->addDatabase(cmd.argument()))
1696 dr.forceBufferUpdate();
1701 case LFUN_BIBTEX_DATABASE_DEL: {
1702 Cursor tmpcur = cur;
1703 findInset(tmpcur, BIBTEX_CODE, false);
1704 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1707 if (inset->delDatabase(cmd.argument()))
1708 dr.forceBufferUpdate();
1713 case LFUN_GRAPHICS_UNIFY: {
1715 cur.recordUndoFullBuffer();
1717 DocIterator from, to;
1718 from = cur.selectionBegin();
1719 to = cur.selectionEnd();
1721 string const newId = cmd.getArg(0);
1722 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1724 InsetGraphicsParams grp_par;
1726 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1728 if (!from.nextInset()) //move to closest inset
1729 from.forwardInset();
1731 while (!from.empty() && from < to) {
1732 Inset * inset = from.nextInset();
1735 InsetGraphics * ig = inset->asInsetGraphics();
1737 InsetGraphicsParams inspar = ig->getParams();
1742 grp_par.filename = inspar.filename;
1743 ig->setParams(grp_par);
1746 from.forwardInset();
1748 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1752 case LFUN_STATISTICS: {
1753 DocIterator from, to;
1754 if (cur.selection()) {
1755 from = cur.selectionBegin();
1756 to = cur.selectionEnd();
1758 from = doc_iterator_begin(&buffer_);
1759 to = doc_iterator_end(&buffer_);
1761 buffer_.updateStatistics(from, to);
1762 int const words = buffer_.wordCount();
1763 int const chars = buffer_.charCount(false);
1764 int const chars_blanks = buffer_.charCount(true);
1766 if (cur.selection())
1767 message = _("Statistics for the selection:");
1769 message = _("Statistics for the document:");
1772 message += bformat(_("%1$d words"), words);
1774 message += _("One word");
1776 if (chars_blanks != 1)
1777 message += bformat(_("%1$d characters (including blanks)"),
1780 message += _("One character (including blanks)");
1783 message += bformat(_("%1$d characters (excluding blanks)"),
1786 message += _("One character (excluding blanks)");
1788 Alert::information(_("Statistics"), message);
1792 case LFUN_SCREEN_UP:
1793 case LFUN_SCREEN_DOWN: {
1794 Point p = getPos(cur);
1795 // This code has been commented out to enable to scroll down a
1796 // document, even if there are large insets in it (see bug #5465).
1797 /*if (p.y_ < 0 || p.y_ > height_) {
1798 // The cursor is off-screen so recenter before proceeding.
1802 int const scrolled = scroll(act == LFUN_SCREEN_UP
1803 ? -height_ : height_);
1804 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1806 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1807 p = Point(width_, height_);
1808 bool const in_texted = cur.inTexted();
1809 cur.setCursor(doc_iterator_begin(cur.buffer()));
1810 cur.selHandle(false);
1811 // Force an immediate computation of metrics because we need it below
1812 processUpdateFlags(Update::Force);
1814 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1815 true, act == LFUN_SCREEN_UP);
1816 //FIXME: what to do with cur.x_target()?
1817 bool update = in_texted && cur.bv().checkDepm(cur, old);
1820 if (update || cur.mark())
1821 dr.screenUpdate(Update::Force | Update::FitCursor);
1823 dr.forceBufferUpdate();
1828 string const scroll_type = cmd.getArg(0);
1829 int scroll_step = 0;
1830 if (scroll_type == "line")
1831 scroll_step = d->scrollbarParameters_.single_step;
1832 else if (scroll_type == "page")
1833 scroll_step = d->scrollbarParameters_.page_step;
1836 string const scroll_quantity = cmd.getArg(1);
1837 if (scroll_quantity == "up")
1838 scrollUp(scroll_step);
1839 else if (scroll_quantity == "down")
1840 scrollDown(scroll_step);
1842 int const scroll_value = convert<int>(scroll_quantity);
1844 scroll(scroll_step * scroll_value);
1846 dr.screenUpdate(Update::ForceDraw);
1847 dr.forceBufferUpdate();
1851 case LFUN_SCREEN_UP_SELECT: {
1852 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1853 cur.selHandle(true);
1854 if (isTopScreen()) {
1855 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1859 int y = getPos(cur).y_;
1860 int const ymin = y - height_ + defaultRowHeight();
1861 while (y > ymin && cur.up())
1865 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1869 case LFUN_SCREEN_DOWN_SELECT: {
1870 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1871 cur.selHandle(true);
1872 if (isBottomScreen()) {
1873 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1877 int y = getPos(cur).y_;
1878 int const ymax = y + height_ - defaultRowHeight();
1879 while (y < ymax && cur.down())
1883 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1888 case LFUN_INSET_SELECT_ALL: {
1889 // true if all cells are selected
1890 bool const all_selected = cur.depth() > 1
1891 && cur.selBegin().at_begin()
1892 && cur.selEnd().at_end();
1893 // true if some cells are selected
1894 bool const cells_selected = cur.depth() > 1
1895 && cur.selBegin().at_cell_begin()
1896 && cur.selEnd().at_cell_end();
1897 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1898 // All the contents of the inset if selected, or only at
1899 // least one cell but inset is not a table.
1900 // Select the inset from outside.
1903 cur.selection(true);
1905 } else if (cells_selected) {
1906 // At least one complete cell is selected and inset is a table.
1912 cur.selection(true);
1913 cur.idx() = cur.lastidx();
1914 cur.pit() = cur.lastpit();
1915 cur.pos() = cur.lastpos();
1917 // select current cell
1921 cur.selection(true);
1922 cur.pit() = cur.lastpit();
1923 cur.pos() = cur.lastpos();
1925 cur.setCurrentFont();
1926 dr.screenUpdate(Update::Force);
1931 case LFUN_UNICODE_INSERT: {
1932 if (cmd.argument().empty())
1935 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1936 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1939 docstring const arg = from_utf8(cmd.getArg(i));
1943 LYXERR0("Not a hexstring: " << arg);
1947 char_type c = hexToInt(arg);
1948 if (c >= 32 && c < 0x10ffff) {
1949 LYXERR(Debug::KEY, "Inserting c: " << c);
1950 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1958 // This would be in Buffer class if only Cursor did not
1959 // require a bufferview
1960 case LFUN_INSET_FORALL: {
1961 docstring const name = from_utf8(cmd.getArg(0));
1962 string const commandstr = cmd.getLongArg(1);
1963 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1965 // an arbitrary number to limit number of iterations
1966 const int max_iter = 100000;
1968 Cursor & curs = d->cursor_;
1969 Cursor const savecur = curs;
1971 if (!curs.nextInset())
1972 curs.forwardInset();
1973 curs.beginUndoGroup();
1974 while(curs && iterations < max_iter) {
1975 Inset * const ins = curs.nextInset();
1978 docstring insname = ins->layoutName();
1979 while (!insname.empty()) {
1980 if (insname == name || name == from_utf8("*")) {
1982 lyx::dispatch(fr, dr);
1986 size_t const i = insname.rfind(':');
1987 if (i == string::npos)
1989 insname = insname.substr(0, i);
1991 // if we did not delete the inset, skip it
1992 if (!curs.nextInset() || curs.nextInset() == ins)
1993 curs.forwardInset();
1997 /** This is a dummy undo record only to remember the cursor
1998 * that has just been set; this will be used on a redo action
1999 * (see ticket #10097)
2001 * FIXME: a better fix would be to have a way to set the
2002 * cursor value directly, but I am not sure it is worth it.
2005 curs.endUndoGroup();
2006 dr.screenUpdate(Update::Force);
2007 dr.forceBufferUpdate();
2009 if (iterations >= max_iter) {
2011 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2013 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2018 case LFUN_BRANCH_ADD_INSERT: {
2019 docstring branch_name = from_utf8(cmd.getArg(0));
2020 if (branch_name.empty())
2021 if (!Alert::askForText(branch_name, _("Branch name")) ||
2022 branch_name.empty())
2025 DispatchResult drtmp;
2026 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2027 if (drtmp.error()) {
2028 Alert::warning(_("Branch already exists"), drtmp.message());
2031 docstring const sep = buffer_.params().branchlist().separator();
2032 for (docstring const & branch : getVectorFromString(branch_name, sep))
2033 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2037 case LFUN_KEYMAP_OFF:
2038 getIntl().keyMapOn(false);
2041 case LFUN_KEYMAP_PRIMARY:
2042 getIntl().keyMapPrim();
2045 case LFUN_KEYMAP_SECONDARY:
2046 getIntl().keyMapSec();
2049 case LFUN_KEYMAP_TOGGLE:
2050 getIntl().toggleKeyMap();
2053 case LFUN_DIALOG_SHOW_NEW_INSET: {
2054 string const name = cmd.getArg(0);
2055 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2056 if (decodeInsetParam(name, data, buffer_))
2057 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2059 lyxerr << "Inset type '" << name <<
2060 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2064 case LFUN_CITATION_INSERT: {
2065 if (argument.empty()) {
2066 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2069 // we can have one optional argument, delimited by '|'
2070 // citation-insert <key>|<text_before>
2071 // this should be enhanced to also support text_after
2072 // and citation style
2073 string arg = argument;
2075 if (contains(argument, "|")) {
2076 arg = token(argument, '|', 0);
2077 opt1 = token(argument, '|', 1);
2080 // if our cursor is directly in front of or behind a citation inset,
2081 // we will instead add the new key to it.
2082 Inset * inset = cur.nextInset();
2083 if (!inset || inset->lyxCode() != CITE_CODE)
2084 inset = cur.prevInset();
2085 if (inset && inset->lyxCode() == CITE_CODE) {
2086 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2087 if (icite->addKey(arg)) {
2088 dr.forceBufferUpdate();
2089 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2091 LYXERR0("Discarding optional argument to citation-insert.");
2096 InsetCommandParams icp(CITE_CODE);
2097 icp["key"] = from_utf8(arg);
2099 icp["before"] = from_utf8(opt1);
2101 from_ascii(InsetCitation::last_literal ? "true" : "false");
2102 string icstr = InsetCommand::params2string(icp);
2103 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2108 case LFUN_INSET_APPLY: {
2109 string const name = cmd.getArg(0);
2110 Inset * inset = editedInset(name);
2112 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2116 // put cursor in front of inset.
2117 if (!setCursorFromInset(inset)) {
2118 LASSERT(false, break);
2121 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2122 inset->dispatch(cur, fr);
2123 dr.screenUpdate(cur.result().screenUpdate());
2124 if (cur.result().needBufferUpdate())
2125 dr.forceBufferUpdate();
2130 // The change of language of buffer belongs to the Buffer class.
2131 // We have to do it here because we need a cursor for Undo.
2132 // When Undo::recordUndoBufferParams() is implemented someday
2133 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2134 case LFUN_BUFFER_LANGUAGE: {
2135 Language const * oldL = buffer_.params().language;
2136 Language const * newL = languages.getLanguage(argument);
2137 if (!newL || oldL == newL)
2139 if (oldL->rightToLeft() == newL->rightToLeft()) {
2140 cur.recordUndoFullBuffer();
2141 buffer_.changeLanguage(oldL, newL);
2142 cur.setCurrentFont();
2143 dr.forceBufferUpdate();
2148 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2149 case LFUN_FILE_INSERT_PLAINTEXT: {
2150 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2151 string const fname = to_utf8(cmd.argument());
2152 if (!FileName::isAbsolute(fname))
2153 dr.setMessage(_("Absolute filename expected."));
2155 insertPlaintextFile(FileName(fname), as_paragraph);
2160 // OK, so try the Buffer itself...
2161 buffer_.dispatch(cmd, dr);
2162 dispatched = dr.dispatched();
2166 buffer_.undo().endUndoGroup();
2167 dr.dispatched(dispatched);
2169 // NOTE: The code below is copied from Cursor::dispatch. If you
2170 // need to modify this, please update the other one too.
2172 // notify insets we just entered/left
2173 if (cursor() != old) {
2174 old.beginUndoGroup();
2176 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2178 cursor().fixIfBroken();
2179 resetInlineCompletionPos();
2186 docstring const BufferView::requestSelection()
2188 Cursor & cur = d->cursor_;
2190 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2191 if (!cur.selection()) {
2192 d->xsel_cache_.set = false;
2196 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2197 if (!d->xsel_cache_.set ||
2198 cur.top() != d->xsel_cache_.cursor ||
2199 cur.realAnchor().top() != d->xsel_cache_.anchor)
2201 d->xsel_cache_.cursor = cur.top();
2202 d->xsel_cache_.anchor = cur.realAnchor().top();
2203 d->xsel_cache_.set = cur.selection();
2204 return cur.selectionAsString(false);
2210 void BufferView::clearSelection()
2212 d->cursor_.clearSelection();
2213 // Clear the selection buffer. Otherwise a subsequent
2214 // middle-mouse-button paste would use the selection buffer,
2215 // not the more current external selection.
2216 cap::clearSelection();
2217 d->xsel_cache_.set = false;
2218 // The buffer did not really change, but this causes the
2219 // redraw we need because we cleared the selection above.
2220 buffer_.changed(false);
2224 void BufferView::resize(int width, int height)
2226 // Update from work area
2230 // Clear the paragraph height cache.
2231 d->par_height_.clear();
2232 // Redo the metrics.
2237 Inset const * BufferView::getCoveringInset(Text const & text,
2240 TextMetrics & tm = d->text_metrics_[&text];
2241 Inset * inset = tm.checkInsetHit(x, y);
2245 if (!inset->descendable(*this))
2246 // No need to go further down if the inset is not
2250 size_t cell_number = inset->nargs();
2251 // Check all the inner cell.
2252 for (size_t i = 0; i != cell_number; ++i) {
2253 Text const * inner_text = inset->getText(i);
2256 Inset const * inset_deeper =
2257 getCoveringInset(*inner_text, x, y);
2259 return inset_deeper;
2267 void BufferView::updateHoveredInset() const
2269 // Get inset under mouse, if there is one.
2270 int const x = d->mouse_position_cache_.x_;
2271 int const y = d->mouse_position_cache_.y_;
2272 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2274 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2276 if (covering_inset == d->last_inset_)
2277 // Same inset, no need to do anything...
2280 bool need_redraw = false;
2281 if (d->last_inset_) {
2282 // Remove the hint on the last hovered inset (if any).
2283 need_redraw |= d->last_inset_->setMouseHover(this, false);
2287 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2289 // Only the insets that accept the hover state, do
2290 // clear the last_inset_, so only set the last_inset_
2291 // member if the hovered setting is accepted.
2292 d->last_inset_ = covering_inset;
2296 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2297 << d->mouse_position_cache_.x_ << ", "
2298 << d->mouse_position_cache_.y_ << ")");
2300 d->update_strategy_ = DecorationUpdate;
2302 // This event (moving without mouse click) is not passed further.
2303 // This should be changed if it is further utilized.
2304 buffer_.changed(false);
2309 void BufferView::clearLastInset(Inset * inset) const
2311 if (d->last_inset_ != inset) {
2312 LYXERR0("Wrong last_inset!");
2319 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2321 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2323 // This is only called for mouse related events including
2324 // LFUN_FILE_OPEN generated by drag-and-drop.
2325 FuncRequest cmd = cmd0;
2327 Cursor old = cursor();
2329 cur.push(buffer_.inset());
2330 cur.selection(d->cursor_.selection());
2332 // Either the inset under the cursor or the
2333 // surrounding Text will handle this event.
2335 // make sure we stay within the screen...
2336 cmd.set_y(min(max(cmd.y(), -1), height_));
2338 d->mouse_position_cache_.x_ = cmd.x();
2339 d->mouse_position_cache_.y_ = cmd.y();
2341 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2342 updateHoveredInset();
2346 // Build temporary cursor.
2347 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2349 // If inset is not editable, cur.pos() might point behind the
2350 // inset (depending on cmd.x(), cmd.y()). This is needed for
2351 // editing to fix bug 9628, but e.g. the context menu needs a
2352 // cursor in front of the inset.
2353 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2354 || inset->lyxCode() == SEPARATOR_CODE) &&
2355 cur.nextInset() != inset && cur.prevInset() == inset)
2357 } else if (cur.inTexted() && cur.pos()
2358 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2359 // Always place cursor in front of a separator inset.
2363 // Put anchor at the same position.
2366 cur.beginUndoGroup();
2368 // Try to dispatch to an non-editable inset near this position
2369 // via the temp cursor. If the inset wishes to change the real
2370 // cursor it has to do so explicitly by using
2371 // cur.bv().cursor() = cur; (or similar)
2373 inset->dispatch(cur, cmd);
2375 // Now dispatch to the temporary cursor. If the real cursor should
2376 // be modified, the inset's dispatch has to do so explicitly.
2377 if (!inset || !cur.result().dispatched())
2380 // Notify left insets
2382 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2383 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2385 cursor().fixIfBroken();
2390 // Do we have a selection?
2391 theSelection().haveSelection(cursor().selection());
2393 if (cur.needBufferUpdate()) {
2394 cur.clearBufferUpdate();
2395 buffer().updateBuffer();
2398 // If the command has been dispatched,
2399 if (cur.result().dispatched() || cur.result().screenUpdate())
2400 processUpdateFlags(cur.result().screenUpdate());
2404 int BufferView::minVisiblePart()
2406 return 2 * defaultRowHeight();
2410 int BufferView::scroll(int y)
2413 return scrollDown(y);
2415 return scrollUp(-y);
2420 int BufferView::scrollDown(int offset)
2422 Text * text = &buffer_.text();
2423 TextMetrics & tm = d->text_metrics_[text];
2424 int const ymax = height_ + offset;
2426 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2427 int bottom_pos = last.second->position() + last.second->descent();
2428 if (lyxrc.scroll_below_document)
2429 bottom_pos += height_ - minVisiblePart();
2430 if (last.first + 1 == int(text->paragraphs().size())) {
2431 if (bottom_pos <= height_)
2433 offset = min(offset, bottom_pos - height_);
2436 if (bottom_pos > ymax)
2438 tm.newParMetricsDown();
2440 d->anchor_ypos_ -= offset;
2445 int BufferView::scrollUp(int offset)
2447 Text * text = &buffer_.text();
2448 TextMetrics & tm = d->text_metrics_[text];
2449 int ymin = - offset;
2451 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2452 int top_pos = first.second->position() - first.second->ascent();
2453 if (first.first == 0) {
2456 offset = min(offset, - top_pos);
2461 tm.newParMetricsUp();
2463 d->anchor_ypos_ += offset;
2468 bool BufferView::setCursorFromRow(int row)
2470 TexRow::TextEntry start, end;
2471 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2472 LYXERR(Debug::LATEX,
2473 "setCursorFromRow: for row " << row << ", TexRow has found "
2474 "start (id=" << start.id << ",pos=" << start.pos << "), "
2475 "end (id=" << end.id << ",pos=" << end.pos << ")");
2476 return setCursorFromEntries(start, end);
2480 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2481 TexRow::TextEntry end)
2483 DocIterator dit_start, dit_end;
2484 tie(dit_start,dit_end) =
2485 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2488 // Setting selection start
2489 d->cursor_.clearSelection();
2490 setCursor(dit_start);
2491 // Setting selection end
2493 d->cursor_.resetAnchor();
2494 setCursorSelectionTo(dit_end);
2500 bool BufferView::setCursorFromInset(Inset const * inset)
2502 // are we already there?
2503 if (cursor().nextInset() == inset)
2506 // Inset is not at cursor position. Find it in the document.
2509 while (cur && cur.nextInset() != inset)
2520 void BufferView::gotoLabel(docstring const & label)
2523 bool have_inactive = false;
2524 for (Buffer const * buf : buffer().allRelatives()) {
2526 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2527 if (label == item.str() && item.isOutput()) {
2528 lyx::dispatch(item.action());
2531 // If we find an inactive label, save it for the case
2532 // that no active one is there
2533 if (label == item.str() && !have_inactive) {
2534 have_inactive = true;
2535 action = item.action();
2539 // We only found an inactive label. Go there.
2541 lyx::dispatch(action);
2545 TextMetrics const & BufferView::textMetrics(Text const * t) const
2547 return const_cast<BufferView *>(this)->textMetrics(t);
2551 TextMetrics & BufferView::textMetrics(Text const * t)
2554 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2555 if (tmc_it == d->text_metrics_.end()) {
2556 tmc_it = d->text_metrics_.emplace(std::piecewise_construct,
2557 std::forward_as_tuple(t),
2558 std::forward_as_tuple(this, const_cast<Text *>(t))).first;
2560 return tmc_it->second;
2564 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2567 return textMetrics(t).parMetrics(pit);
2571 int BufferView::workHeight() const
2577 void BufferView::setCursor(DocIterator const & dit)
2580 size_t const n = dit.depth();
2581 for (size_t i = 0; i < n; ++i)
2582 dit[i].inset().edit(d->cursor_, true);
2584 d->cursor_.setCursor(dit);
2585 d->cursor_.selection(false);
2586 d->cursor_.setCurrentFont();
2588 // It seems on general grounds as if this is probably needed, but
2589 // it is not yet clear.
2590 // See bug #7394 and r38388.
2591 // d->cursor.resetAnchor();
2595 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2597 size_t const n = dit.depth();
2598 for (size_t i = 0; i < n; ++i)
2599 dit[i].inset().edit(d->cursor_, true);
2601 d->cursor_.selection(true);
2602 d->cursor_.setCursorSelectionTo(dit);
2603 d->cursor_.setCurrentFont();
2607 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2609 // Would be wrong to delete anything if we have a selection.
2610 if (cur.selection())
2613 bool need_anchor_change = false;
2614 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2615 need_anchor_change);
2617 if (need_anchor_change)
2625 // we would rather not do this here, but it needs to be done before
2626 // the changed() signal is sent.
2627 buffer_.updateBuffer();
2629 buffer_.changed(true);
2634 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2636 LASSERT(&cur.bv() == this, return false);
2639 // this event will clear selection so we save selection for
2640 // persistent selection
2641 cap::saveSelection(cursor());
2643 d->cursor_.macroModeClose();
2644 // If a macro has been finalized, the cursor might have been broken
2647 // Has the cursor just left the inset?
2648 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2650 d->cursor_.fixIfBroken();
2652 // do the dEPM magic if needed
2653 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2654 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2655 // the leftinset bool would not be necessary (badcursor instead).
2656 bool update = leftinset;
2659 d->cursor_.setSelection();
2660 d->cursor_.setCursorSelectionTo(cur);
2662 if (d->cursor_.inTexted())
2663 update |= checkDepm(cur, d->cursor_);
2664 d->cursor_.resetAnchor();
2665 d->cursor_.setCursor(cur);
2666 d->cursor_.clearSelection();
2668 d->cursor_.boundary(cur.boundary());
2669 d->cursor_.finishUndo();
2670 d->cursor_.setCurrentFont();
2672 cur.forceBufferUpdate();
2677 void BufferView::putSelectionAt(DocIterator const & cur,
2678 int length, bool backwards)
2680 d->cursor_.clearSelection();
2686 d->cursor_.pos() += length;
2687 d->cursor_.setSelection(d->cursor_, -length);
2689 d->cursor_.setSelection(d->cursor_, length);
2694 bool BufferView::selectIfEmpty(DocIterator & cur)
2696 if ((cur.inTexted() && !cur.paragraph().empty())
2697 || (cur.inMathed() && !cur.cell().empty()))
2700 pit_type const beg_pit = cur.pit();
2702 // The paragraph associated to this item isn't
2703 // the first one, so it can be selected
2706 // We have to resort to select the space between the
2707 // end of this item and the begin of the next one
2711 // If it is the only item in the document,
2712 // nothing can be selected
2715 pit_type const end_pit = cur.pit();
2716 pos_type const end_pos = cur.pos();
2717 d->cursor_.clearSelection();
2719 d->cursor_.setCursor(cur);
2720 d->cursor_.pit() = beg_pit;
2721 d->cursor_.pos() = 0;
2722 d->cursor_.selection(false);
2723 d->cursor_.resetAnchor();
2724 d->cursor_.pit() = end_pit;
2725 d->cursor_.pos() = end_pos;
2726 d->cursor_.setSelection();
2731 Cursor & BufferView::cursor()
2737 Cursor const & BufferView::cursor() const
2743 bool BufferView::singleParUpdate()
2745 Text & buftext = buffer_.text();
2746 pit_type const bottom_pit = d->cursor_.bottom().pit();
2747 TextMetrics & tm = textMetrics(&buftext);
2748 int old_height = tm.parMetrics(bottom_pit).height();
2750 // make sure inline completion pointer is ok
2751 if (d->inlineCompletionPos_.fixIfBroken())
2752 d->inlineCompletionPos_ = DocIterator();
2754 // In Single Paragraph mode, rebreak only
2755 // the (main text, not inset!) paragraph containing the cursor.
2756 // (if this paragraph contains insets etc., rebreaking will
2757 // recursively descend)
2758 tm.redoParagraph(bottom_pit);
2759 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2760 if (pm.height() != old_height)
2761 // Paragraph height has changed so we cannot proceed to
2762 // the singlePar optimisation.
2765 tm.updatePosCache(bottom_pit);
2767 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2768 << " y2: " << pm.position() + pm.descent()
2769 << " pit: " << bottom_pit
2770 << " singlepar: 1");
2775 void BufferView::updateMetrics()
2777 updateMetrics(d->update_flags_);
2778 d->update_strategy_ = FullScreenUpdate;
2782 void BufferView::updateMetrics(Update::flags & update_flags)
2784 if (height_ == 0 || width_ == 0)
2787 Text & buftext = buffer_.text();
2788 pit_type const npit = int(buftext.paragraphs().size());
2790 // Clear out the position cache in case of full screen redraw,
2791 d->coord_cache_.clear();
2792 d->math_rows_.clear();
2794 // Clear out paragraph metrics to avoid having invalid metrics
2795 // in the cache from paragraphs not relayouted below
2796 // The complete text metrics will be redone.
2797 d->text_metrics_.clear();
2799 TextMetrics & tm = textMetrics(&buftext);
2801 // make sure inline completion pointer is ok
2802 if (d->inlineCompletionPos_.fixIfBroken())
2803 d->inlineCompletionPos_ = DocIterator();
2805 if (d->anchor_pit_ >= npit)
2806 // The anchor pit must have been deleted...
2807 d->anchor_pit_ = npit - 1;
2809 // Rebreak anchor paragraph.
2810 tm.redoParagraph(d->anchor_pit_);
2811 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2814 if (d->anchor_pit_ == 0) {
2815 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2817 // Complete buffer visible? Then it's easy.
2818 if (scrollRange == 0)
2819 d->anchor_ypos_ = anchor_pm.ascent();
2821 // avoid empty space above the first row
2822 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2825 anchor_pm.setPosition(d->anchor_ypos_);
2826 tm.updatePosCache(d->anchor_pit_);
2828 LYXERR(Debug::PAINTING, "metrics: "
2829 << " anchor pit = " << d->anchor_pit_
2830 << " anchor ypos = " << d->anchor_ypos_);
2832 // Redo paragraphs above anchor if necessary.
2833 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2834 // We are now just above the anchor paragraph.
2835 pit_type pit1 = d->anchor_pit_ - 1;
2836 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2837 tm.redoParagraph(pit1);
2838 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2840 // Save the paragraph position in the cache.
2842 tm.updatePosCache(pit1);
2846 // Redo paragraphs below the anchor if necessary.
2847 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2848 // We are now just below the anchor paragraph.
2849 pit_type pit2 = d->anchor_pit_ + 1;
2850 for (; pit2 < npit && y2 <= height_; ++pit2) {
2851 tm.redoParagraph(pit2);
2852 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2854 // Save the paragraph position in the cache.
2856 tm.updatePosCache(pit2);
2860 LYXERR(Debug::PAINTING, "Metrics: "
2861 << " anchor pit = " << d->anchor_pit_
2862 << " anchor ypos = " << d->anchor_ypos_
2865 << " pit1 = " << pit1
2866 << " pit2 = " << pit2);
2868 // metrics is done, full drawing is necessary now
2869 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2871 // Now update the positions of insets in the cache.
2874 if (lyxerr.debugging(Debug::WORKAREA)) {
2875 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2876 d->coord_cache_.dump();
2881 void BufferView::updatePosCache()
2883 // this is the "nodraw" drawing stage: only set the positions of the
2884 // insets in metrics cache.
2885 frontend::NullPainter np;
2890 void BufferView::insertLyXFile(FileName const & fname, bool const ignorelang)
2892 LASSERT(d->cursor_.inTexted(), return);
2894 // Get absolute path of file and add ".lyx"
2895 // to the filename if necessary
2896 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2898 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2899 // emit message signal.
2900 message(bformat(_("Inserting document %1$s..."), disp_fn));
2903 Buffer buf(filename.absFileName(), false);
2904 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2905 ErrorList & el = buffer_.errorList("Parse");
2906 // Copy the inserted document error list into the current buffer one.
2907 el = buf.errorList("Parse");
2908 ParagraphList & pars = buf.paragraphs();
2910 // set main language of imported file to context language
2911 buf.changeLanguage(buf.language(), d->cursor_.getFont().language());
2912 buffer_.undo().recordUndo(d->cursor_);
2913 cap::pasteParagraphList(d->cursor_, pars,
2914 buf.params().documentClassPtr(), el);
2915 res = _("Document %1$s inserted.");
2917 res = _("Could not insert document %1$s");
2920 buffer_.changed(true);
2921 // emit message signal.
2922 message(bformat(res, disp_fn));
2926 Point BufferView::coordOffset(DocIterator const & dit) const
2932 // Addup contribution of nested insets, from inside to outside,
2933 // keeping the outer paragraph for a special handling below
2934 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2935 CursorSlice const & sl = dit[i];
2939 // get relative position inside sl.inset()
2940 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2942 // Make relative position inside of the edited inset relative to sl.inset()
2946 // In case of an RTL inset, the edited inset will be positioned to the left
2949 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2950 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2955 // remember width for the case that sl.inset() is positioned in an RTL inset
2956 lastw = sl.inset().dimension(*this).wid;
2958 //lyxerr << "Cursor::getPos, i: "
2959 // << i << " x: " << xx << " y: " << y << endl;
2962 // Add contribution of initial rows of outermost paragraph
2963 CursorSlice const & sl = dit[0];
2964 TextMetrics const & tm = textMetrics(sl.text());
2965 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2967 LBUFERR(!pm.rows().empty());
2968 y -= pm.rows()[0].ascent();
2970 // FIXME: document this mess
2972 if (sl.pos() > 0 && dit.depth() == 1) {
2974 if (pos && dit.boundary())
2976 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2977 rend = pm.pos2row(pos);
2979 rend = pm.pos2row(sl.pos());
2981 size_t rend = pm.pos2row(sl.pos());
2983 for (size_t rit = 0; rit != rend; ++rit)
2984 y += pm.rows()[rit].height();
2985 y += pm.rows()[rend].ascent();
2987 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2989 // Make relative position from the nested inset now bufferview absolute.
2990 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2993 // In the RTL case place the nested inset at the left of the cursor in
2994 // the outer paragraph
2995 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2996 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
3004 Point BufferView::getPos(DocIterator const & dit) const
3006 if (!paragraphVisible(dit))
3007 return Point(-1, -1);
3009 CursorSlice const & bot = dit.bottom();
3010 TextMetrics const & tm = textMetrics(bot.text());
3012 // offset from outer paragraph
3013 Point p = coordOffset(dit);
3014 p.y_ += tm.parMetrics(bot.pit()).position();
3019 bool BufferView::paragraphVisible(DocIterator const & dit) const
3021 CursorSlice const & bot = dit.bottom();
3022 TextMetrics const & tm = textMetrics(bot.text());
3024 return tm.contains(bot.pit());
3028 void BufferView::caretPosAndHeight(Point & p, int & h) const
3031 Cursor const & cur = cursor();
3032 if (cur.inMathed()) {
3033 MathRow const & mrow = mathRow(&cur.cell());
3034 asc = mrow.caret_ascent;
3035 des = mrow.caret_descent;
3037 Font const font = cur.real_current_font;
3038 frontend::FontMetrics const & fm = theFontMetrics(font);
3039 asc = fm.maxAscent();
3040 des = fm.maxDescent();
3048 bool BufferView::caretInView() const
3050 if (!paragraphVisible(cursor()))
3054 caretPosAndHeight(p, h);
3056 // does the cursor touch the screen ?
3057 if (p.y_ + h < 0 || p.y_ >= workHeight())
3063 int BufferView::horizScrollOffset() const
3065 return d->horiz_scroll_offset_;
3069 int BufferView::horizScrollOffset(Text const * text,
3070 pit_type pit, pos_type pos) const
3072 // Is this a row that is currently scrolled?
3073 if (!d->current_row_slice_.empty()
3074 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3075 && pit == d->current_row_slice_.pit()
3076 && pos == d->current_row_slice_.pos())
3077 return d->horiz_scroll_offset_;
3082 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3084 // nothing to do if the cursor was already on this row
3085 if (d->current_row_slice_ == rowSlice)
3088 // if the (previous) current row was scrolled, we have to
3089 // remember it in order to repaint it next time.
3090 if (d->horiz_scroll_offset_ != 0) {
3091 // search the old row in cache and mark it changed
3092 for (auto & tm_pair : d->text_metrics_) {
3093 if (&tm_pair.first->inset() == rowSlice.inset().asInsetText()) {
3094 tm_pair.second.setRowChanged(rowSlice.pit(), rowSlice.pos());
3095 // We found it, no need to continue.
3101 // Since we changed row, the scroll offset is not valid anymore
3102 d->horiz_scroll_offset_ = 0;
3103 d->current_row_slice_ = rowSlice;
3107 void BufferView::checkCursorScrollOffset()
3109 CursorSlice rowSlice = d->cursor_.bottom();
3110 TextMetrics const & tm = textMetrics(rowSlice.text());
3112 // Stop if metrics have not been computed yet, since it means
3113 // that there is nothing to do.
3114 if (!tm.contains(rowSlice.pit()))
3116 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3117 Row const & row = pm.getRow(rowSlice.pos(),
3118 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3119 rowSlice.pos() = row.pos();
3121 // Set the row on which the cursor lives.
3122 setCurrentRowSlice(rowSlice);
3124 // Current x position of the cursor in pixels
3125 int cur_x = getPos(d->cursor_).x_;
3127 // Horizontal scroll offset of the cursor row in pixels
3128 int offset = d->horiz_scroll_offset_;
3129 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3131 if (row.right_x() <= workWidth() - row.right_margin) {
3132 // Row is narrower than the work area, no offset needed.
3135 if (cur_x - offset < MARGIN) {
3136 // cursor would be too far right
3137 offset = cur_x - MARGIN;
3138 } else if (cur_x - offset > workWidth() - MARGIN) {
3139 // cursor would be too far left
3140 offset = cur_x - workWidth() + MARGIN;
3142 // Correct the offset to make sure that we do not scroll too much
3145 if (row.right_x() - offset < workWidth() - row.right_margin)
3146 offset = row.right_x() - workWidth() + row.right_margin;
3149 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3151 if (offset != d->horiz_scroll_offset_)
3152 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3153 << d->horiz_scroll_offset_ << " to " << offset);
3155 if (d->update_strategy_ == NoScreenUpdate
3156 && offset != d->horiz_scroll_offset_) {
3157 // FIXME: if one uses SingleParUpdate, then home/end
3158 // will not work on long rows. Why?
3159 d->update_strategy_ = FullScreenUpdate;
3162 d->horiz_scroll_offset_ = offset;
3166 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3168 if (height_ == 0 || width_ == 0)
3170 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3171 : "\t\t*** START DRAWING ***"));
3172 Text & text = buffer_.text();
3173 TextMetrics const & tm = d->text_metrics_[&text];
3174 int const y = tm.first().second->position();
3175 PainterInfo pi(this, pain);
3177 // Check whether the row where the cursor lives needs to be scrolled.
3178 // Update the drawing strategy if needed.
3179 checkCursorScrollOffset();
3181 switch (d->update_strategy_) {
3183 case NoScreenUpdate:
3184 // no screen painting is actually needed. In nodraw stage
3185 // however, the different coordinates of insets and paragraphs
3186 // needs to be updated.
3187 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3188 if (pain.isNull()) {
3189 pi.full_repaint = true;
3192 pi.full_repaint = false;
3197 case SingleParUpdate:
3198 pi.full_repaint = false;
3199 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3200 // In general, only the current row of the outermost paragraph
3201 // will be redrawn. Particular cases where selection spans
3202 // multiple paragraph are correctly detected in TextMetrics.
3206 case DecorationUpdate:
3207 // FIXME: We should also distinguish DecorationUpdate to avoid text
3208 // drawing if possible. This is not possible to do easily right now
3209 // because of the single backing pixmap.
3211 case FullScreenUpdate:
3213 LYXERR(Debug::PAINTING,
3214 ((d->update_strategy_ == FullScreenUpdate)
3215 ? "Strategy: FullScreenUpdate"
3216 : "Strategy: DecorationUpdate"));
3218 // The whole screen, including insets, will be refreshed.
3219 pi.full_repaint = true;
3221 // Clear background.
3222 pain.fillRectangle(0, 0, width_, height_,
3223 pi.backgroundColor(&buffer_.inset()));
3228 // and possibly grey out below
3229 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3230 int const y2 = lastpm.second->position() + lastpm.second->descent();
3233 Color color = buffer().isInternal()
3234 ? Color_background : Color_bottomarea;
3235 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3239 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3240 : "\t\t *** END DRAWING ***"));
3242 // The scrollbar needs an update.
3245 // Normalize anchor for next time
3246 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3247 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3248 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3249 ParagraphMetrics const & pm = tm.parMetrics(pit);
3250 if (pm.position() + pm.descent() > 0) {
3251 if (d->anchor_pit_ != pit
3252 || d->anchor_ypos_ != pm.position())
3253 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3254 << " anchor ypos = " << d->anchor_ypos_);
3255 d->anchor_pit_ = pit;
3256 d->anchor_ypos_ = pm.position();
3260 if (!pain.isNull()) {
3261 // reset the update flags, everything has been done
3262 d->update_flags_ = Update::None;
3265 // If a caret has to be painted, mark its text row as dirty to
3266 //make sure that it will be repainted on next redraw.
3267 /* FIXME: investigate whether this can be avoided when the cursor did not
3271 Row const & caret_row = d->cursor_.textRow();
3272 caret_row.changed(true);
3277 void BufferView::message(docstring const & msg)
3280 d->gui_->message(msg);
3284 void BufferView::showDialog(string const & name)
3287 d->gui_->showDialog(name, string());
3291 void BufferView::showDialog(string const & name,
3292 string const & data, Inset * inset)
3295 d->gui_->showDialog(name, data, inset);
3299 void BufferView::updateDialog(string const & name, string const & data)
3302 d->gui_->updateDialog(name, data);
3306 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3312 // FIXME: Move this out of BufferView again
3313 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3315 if (!fname.isReadableFile()) {
3316 docstring const error = from_ascii(strerror(errno));
3317 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3318 docstring const text =
3319 bformat(_("Could not read the specified document\n"
3320 "%1$s\ndue to the error: %2$s"), file, error);
3321 Alert::error(_("Could not read file"), text);
3325 if (!fname.isReadableFile()) {
3326 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3327 docstring const text =
3328 bformat(_("%1$s\n is not readable."), file);
3329 Alert::error(_("Could not open file"), text);
3333 // FIXME UNICODE: We don't know the encoding of the file
3334 docstring file_content = fname.fileContents("UTF-8");
3335 if (file_content.empty()) {
3336 Alert::error(_("Reading not UTF-8 encoded file"),
3337 _("The file is not UTF-8 encoded.\n"
3338 "It will be read as local 8Bit-encoded.\n"
3339 "If this does not give the correct result\n"
3340 "then please change the encoding of the file\n"
3341 "to UTF-8 with a program other than LyX.\n"));
3342 file_content = fname.fileContents("local8bit");
3345 return normalize_c(file_content);
3349 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3351 docstring const tmpstr = contentsOfPlaintextFile(f);
3356 Cursor & cur = cursor();
3357 cap::replaceSelection(cur);
3358 buffer_.undo().recordUndo(cur);
3360 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3362 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3364 buffer_.changed(true);
3368 docstring const & BufferView::inlineCompletion() const
3370 return d->inlineCompletion_;
3374 size_t const & BufferView::inlineCompletionUniqueChars() const
3376 return d->inlineCompletionUniqueChars_;
3380 DocIterator const & BufferView::inlineCompletionPos() const
3382 return d->inlineCompletionPos_;
3386 void BufferView::resetInlineCompletionPos()
3388 d->inlineCompletionPos_ = DocIterator();
3392 bool samePar(DocIterator const & a, DocIterator const & b)
3394 if (a.empty() && b.empty())
3396 if (a.empty() || b.empty())
3398 if (a.depth() != b.depth())
3400 return &a.innerParagraph() == &b.innerParagraph();
3404 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3405 docstring const & completion, size_t uniqueChars)
3407 uniqueChars = min(completion.size(), uniqueChars);
3408 bool changed = d->inlineCompletion_ != completion
3409 || d->inlineCompletionUniqueChars_ != uniqueChars;
3410 bool singlePar = true;
3411 d->inlineCompletion_ = completion;
3412 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3414 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3417 DocIterator const & old = d->inlineCompletionPos_;
3419 //lyxerr << "inlineCompletionPos changed" << std::endl;
3420 // old or pos are in another paragraph?
3421 if ((!samePar(cur, pos) && !pos.empty())
3422 || (!samePar(cur, old) && !old.empty())) {
3424 //lyxerr << "different paragraph" << std::endl;
3426 d->inlineCompletionPos_ = pos;
3431 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3432 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3434 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3439 bool BufferView::clickableInset() const
3441 return d->clickable_inset_;