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.pit = d->cursor_.bottom().pit();
349 fp.pos = d->cursor_.bottom().pos();
350 theSession().lastFilePos().save(buffer_.fileName(), fp);
353 d->last_inset_->setMouseHover(this, false);
359 int BufferView::rightMargin() const
361 // The value used to be hardcoded to 10
362 int const default_margin = zoomedPixels(10);
363 // The additional test for the case the outliner is opened.
364 if (!full_screen_ || !lyxrc.full_screen_limit
365 || width_ < lyxrc.full_screen_width + 2 * default_margin)
366 return default_margin;
368 return (width_ - lyxrc.full_screen_width) / 2;
372 int BufferView::leftMargin() const
374 return rightMargin();
378 int BufferView::inPixels(Length const & len) const
380 Font const font = buffer().params().getFont();
381 return len.inPixels(workWidth(), theFontMetrics(font).em());
385 int BufferView::zoomedPixels(int pix) const
387 // FIXME: the dpi setting should really depend on the BufferView
388 // (think different monitors).
390 // Zoom factor specified by user in percent
391 double const zoom = lyxrc.currentZoom / 100.0; // [percent]
393 // DPI setting for monitor relative to 100dpi
394 double const dpizoom = lyxrc.dpi / 100.0; // [per 100dpi]
396 return support::iround(pix * zoom * dpizoom);
400 bool BufferView::isTopScreen() const
402 return 0 == d->scrollbarParameters_.min;
406 bool BufferView::isBottomScreen() const
408 return 0 == d->scrollbarParameters_.max;
412 Intl & BufferView::getIntl()
418 Intl const & BufferView::getIntl() const
424 CoordCache & BufferView::coordCache()
426 return d->coord_cache_;
430 CoordCache const & BufferView::coordCache() const
432 return d->coord_cache_;
436 MathRow const & BufferView::mathRow(MathData const * cell) const
438 auto it = d->math_rows_.find(cell);
439 LATTEST(it != d->math_rows_.end());
444 void BufferView::setMathRow(MathData const * cell, MathRow const & mrow)
446 d->math_rows_[cell] = mrow;
450 Buffer & BufferView::buffer()
456 Buffer const & BufferView::buffer() const
462 bool BufferView::needsFitCursor() const
464 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
465 frontend::FontMetrics const & fm =
466 theFontMetrics(d->cursor_.getFont().fontInfo());
467 int const asc = fm.maxAscent();
468 int const des = fm.maxDescent();
469 Point const p = getPos(d->cursor_);
470 if (p.y_ - asc >= 0 && p.y_ + des < height_)
479 // this is for debugging only.
480 string flagsAsString(Update::flags flags)
482 if (flags == Update::None)
484 return string((flags & Update::FitCursor) ? "FitCursor " : "")
485 + ((flags & Update::Force) ? "Force " : "")
486 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
487 + ((flags & Update::SinglePar) ? "SinglePar " : "")
488 + ((flags & Update::Decoration) ? "Decoration " : "");
493 void BufferView::processUpdateFlags(Update::flags flags)
495 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
496 << flagsAsString(flags) << ") buffer: " << &buffer_);
498 // Case when no explicit update is requested.
499 if (flags == Update::None)
502 /* FIXME We would like to avoid doing this here, since it is very
503 * expensive and is called in updateBuffer already. However, even
504 * inserting a plain character can invalidate the overly fragile
505 * tables of child documents built by updateMacros. Some work is
506 * needed to avoid doing that when not necessary.
508 buffer_.updateMacros();
510 // First check whether the metrics and inset positions should be updated
511 if (flags & Update::Force) {
512 // This will update the CoordCache items and replace Force
513 // with ForceDraw in flags.
514 updateMetrics(flags);
517 // Detect whether we can only repaint a single paragraph (if we
518 // are not already redrawing all).
519 // We handle this before FitCursor because the later will require
520 // correct metrics at cursor position.
521 if (!(flags & Update::ForceDraw)
522 && (flags & Update::SinglePar)
523 && !singleParUpdate())
524 updateMetrics(flags);
526 // Then make sure that the screen contains the cursor if needed
527 if (flags & Update::FitCursor) {
528 if (needsFitCursor()) {
529 scrollToCursor(d->cursor_, false);
530 // Metrics have to be recomputed (maybe again)
531 updateMetrics(flags);
533 flags = flags & ~Update::FitCursor;
536 // Add flags to the the update flags. These will be reset to None
537 // after the redraw is actually done
538 d->update_flags_ = d->update_flags_ | flags;
539 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
541 // Now compute the update strategy
542 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
543 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
544 | Update::Decoration | Update::ForceDraw)) == 0);
546 if (d->update_flags_ & Update::ForceDraw)
547 d->update_strategy_ = FullScreenUpdate;
548 else if (d->update_flags_ & Update::Decoration)
549 d->update_strategy_ = DecorationUpdate;
550 else if (d->update_flags_ & Update::SinglePar)
551 d->update_strategy_ = SingleParUpdate;
553 // no need to redraw anything.
554 d->update_strategy_ = NoScreenUpdate;
557 updateHoveredInset();
560 buffer_.changed(false);
564 void BufferView::updateScrollbar()
566 if (height_ == 0 && width_ == 0)
569 // We prefer fixed size line scrolling.
570 d->scrollbarParameters_.single_step = defaultRowHeight();
571 // We prefer full screen page scrolling.
572 d->scrollbarParameters_.page_step = height_;
574 Text & t = buffer_.text();
575 TextMetrics & tm = d->text_metrics_[&t];
577 LYXERR(Debug::GUI, " Updating scrollbar: height: "
578 << t.paragraphs().size()
579 << " curr par: " << d->cursor_.bottom().pit()
580 << " default height " << defaultRowHeight());
582 size_t const parsize = t.paragraphs().size();
583 if (d->par_height_.size() != parsize) {
584 d->par_height_.clear();
585 // FIXME: We assume a default paragraph height of 2 rows. This
586 // should probably be pondered with the screen width.
587 d->par_height_.resize(parsize, defaultRowHeight() * 2);
590 // Look at paragraph heights on-screen
591 pair<pit_type, ParagraphMetrics const *> first = tm.first();
592 pair<pit_type, ParagraphMetrics const *> last = tm.last();
593 for (pit_type pit = first.first; pit <= last.first; ++pit) {
594 d->par_height_[pit] = tm.parMetrics(pit).height();
595 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
596 << d->par_height_[pit]);
599 int top_pos = first.second->position() - first.second->ascent();
600 int bottom_pos = last.second->position() + last.second->descent();
601 bool first_visible = first.first == 0 && top_pos >= 0;
602 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
603 if (first_visible && last_visible) {
604 d->scrollbarParameters_.min = 0;
605 d->scrollbarParameters_.max = 0;
609 d->scrollbarParameters_.min = top_pos;
610 for (size_t i = 0; i != size_t(first.first); ++i)
611 d->scrollbarParameters_.min -= d->par_height_[i];
612 d->scrollbarParameters_.max = bottom_pos;
613 for (size_t i = last.first + 1; i != parsize; ++i)
614 d->scrollbarParameters_.max += d->par_height_[i];
616 // The reference is the top position so we remove one page.
617 if (lyxrc.scroll_below_document)
618 d->scrollbarParameters_.max -= minVisiblePart();
620 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
622 // 0 must be inside the range as it denotes the current position
623 if (d->scrollbarParameters_.max < 0)
624 d->scrollbarParameters_.max = 0;
625 if (d->scrollbarParameters_.min > 0)
626 d->scrollbarParameters_.min = 0;
630 ScrollbarParameters const & BufferView::scrollbarParameters() const
632 return d->scrollbarParameters_;
636 docstring BufferView::toolTip(int x, int y) const
638 // Get inset under mouse, if there is one.
639 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
641 // No inset, no tooltip...
643 return covering_inset->toolTip(*this, x, y);
647 string BufferView::contextMenu(int x, int y) const
649 //If there is a selection, return the containing inset menu
650 if (d->cursor_.selection())
651 return d->cursor_.inset().contextMenu(*this, x, y);
653 // Get inset under mouse, if there is one.
654 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
656 return covering_inset->contextMenu(*this, x, y);
658 return buffer_.inset().contextMenu(*this, x, y);
663 void BufferView::scrollDocView(int const value, bool update)
665 // The scrollbar values are relative to the top of the screen, therefore the
666 // offset is equal to the target value.
668 // No scrolling at all? No need to redraw anything
672 // If the offset is less than 2 screen height, prefer to scroll instead.
673 if (abs(value) <= 2 * height_) {
674 d->anchor_ypos_ -= value;
675 processUpdateFlags(Update::Force);
679 // cut off at the top
680 if (value <= d->scrollbarParameters_.min) {
681 DocIterator dit = doc_iterator_begin(&buffer_);
682 showCursor(dit, false, update);
683 LYXERR(Debug::SCROLLING, "scroll to top");
687 // cut off at the bottom
688 if (value >= d->scrollbarParameters_.max) {
689 DocIterator dit = doc_iterator_end(&buffer_);
691 showCursor(dit, false, update);
692 LYXERR(Debug::SCROLLING, "scroll to bottom");
696 // find paragraph at target position
697 int par_pos = d->scrollbarParameters_.min;
699 for (; i != int(d->par_height_.size()); ++i) {
700 par_pos += d->par_height_[i];
701 if (par_pos >= value)
705 if (par_pos < value) {
706 // It seems we didn't find the correct pit so stay on the safe side and
708 LYXERR0("scrolling position not found!");
709 scrollDocView(d->scrollbarParameters_.max, update);
713 DocIterator dit = doc_iterator_begin(&buffer_);
715 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
716 showCursor(dit, false, update);
720 // FIXME: this method is not working well.
721 void BufferView::setCursorFromScrollbar()
723 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
725 int const height = 2 * defaultRowHeight();
726 int const first = height;
727 int const last = height_ - height;
729 Cursor const & oldcur = d->cursor_;
731 switch (cursorStatus(oldcur)) {
739 int const y = getPos(oldcur).y_;
740 newy = min(last, max(y, first));
744 // We reset the cursor because cursorStatus() does not
745 // work when the cursor is within mathed.
748 tm.setCursorFromCoordinates(cur, 0, newy);
750 // update the bufferview cursor and notify insets
751 // FIXME: Care about the d->cursor_ flags to redraw if needed
752 Cursor old = d->cursor_;
754 // the DEPM call in mouseSetCursor() might have destroyed the
755 // paragraph the cursor is in.
756 bool badcursor = old.fixIfBroken();
757 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
759 d->cursor_.fixIfBroken();
763 Change const BufferView::getCurrentChange() const
765 if (!d->cursor_.selection())
766 return Change(Change::UNCHANGED);
768 DocIterator dit = d->cursor_.selectionBegin();
769 // The selected content might have been changed (see #7685)
770 dit = dit.getInnerText();
771 return dit.paragraph().lookupChange(dit.pos());
775 // this could be used elsewhere as well?
776 // FIXME: This does not work within mathed!
777 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
779 Point const p = getPos(dit);
782 if (p.y_ > workHeight())
788 void BufferView::bookmarkEditPosition()
790 // Don't eat cpu time for each keystroke
791 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
794 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
798 void BufferView::saveBookmark(unsigned int idx)
800 // tentatively save bookmark, id and pos will be used to
801 // acturately locate a bookmark in a 'live' lyx session.
802 // pit and pos will be updated with bottom level pit/pos
804 if (!buffer_.isInternal()) {
805 theSession().bookmarks().save(
807 d->cursor_.bottom().pit(),
808 d->cursor_.bottom().pos(),
809 d->cursor_.paragraph().id(),
814 // emit message signal.
815 message(_("Save bookmark"));
820 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
821 int top_id, pos_type top_pos)
823 bool success = false;
826 d->cursor_.clearSelection();
828 // if a valid par_id is given, try it first
829 // This is the case for a 'live' bookmark when unique paragraph ID
830 // is used to track bookmarks.
832 dit = buffer_.getParFromID(top_id);
834 dit.pos() = min(dit.paragraph().size(), top_pos);
835 // Some slices of the iterator may not be
836 // reachable (e.g. closed collapsible inset)
837 // so the dociterator may need to be
838 // shortened. Otherwise, setCursor may crash
839 // lyx when the cursor can not be set to these
841 size_t const n = dit.depth();
842 for (size_t i = 0; i < n; ++i)
843 if (!dit[i].inset().editable()) {
851 // if top_id == 0, or searching through top_id failed
852 // This is the case for a 'restored' bookmark when only bottom
853 // (document level) pit was saved. Because of this, bookmark
854 // restoration is inaccurate. If a bookmark was within an inset,
855 // it will be restored to the left of the outmost inset that contains
857 if (bottom_pit < int(buffer_.paragraphs().size())) {
858 dit = doc_iterator_begin(&buffer_);
860 dit.pit() = bottom_pit;
861 dit.pos() = min(bottom_pos, dit.paragraph().size());
866 // Note: only bottom (document) level pit is set.
868 // set the current font.
869 d->cursor_.setCurrentFont();
870 // Do not forget to reset the anchor (see #9912)
871 d->cursor_.resetAnchor();
872 processUpdateFlags(Update::Force | Update::FitCursor);
879 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
881 if (d->cursor_.real_current_font.isRightToLeft()) {
882 if (d->intl_.keymap == Intl::PRIMARY)
883 d->intl_.keyMapSec();
885 if (d->intl_.keymap == Intl::SECONDARY)
886 d->intl_.keyMapPrim();
889 d->intl_.getTransManager().translateAndInsert(c, t, cur);
893 int BufferView::workWidth() const
899 void BufferView::recenter()
901 showCursor(d->cursor_, true, true);
905 void BufferView::showCursor()
907 showCursor(d->cursor_, false, true);
911 void BufferView::showCursor(DocIterator const & dit,
912 bool recenter, bool update)
914 if (scrollToCursor(dit, recenter) && update)
915 processUpdateFlags(Update::Force);
919 void BufferView::scrollToCursor()
921 if (scrollToCursor(d->cursor_, false))
922 processUpdateFlags(Update::Force);
926 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
928 // We are not properly started yet, delay until resizing is
933 LYXERR(Debug::SCROLLING, "recentering!");
935 CursorSlice const & bot = dit.bottom();
936 TextMetrics & tm = d->text_metrics_[bot.text()];
938 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
939 int bot_pit = bot.pit();
940 if (bot_pit > max_pit) {
941 // FIXME: Why does this happen?
942 LYXERR0("bottom pit is greater that max pit: "
943 << bot_pit << " > " << max_pit);
947 if (bot_pit == tm.first().first - 1)
948 tm.newParMetricsUp();
949 else if (bot_pit == tm.last().first + 1)
950 tm.newParMetricsDown();
952 if (tm.contains(bot_pit)) {
953 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
954 LBUFERR(!pm.rows().empty());
955 // FIXME: smooth scrolling doesn't work in mathed.
956 CursorSlice const & cs = dit.innerTextSlice();
957 int offset = coordOffset(dit).y_;
958 int ypos = pm.position() + offset;
959 Dimension const & row_dim =
960 pm.getRow(cs.pos(), dit.boundary()).dim();
963 scrolled = scroll(ypos - height_/2);
965 // We try to visualize the whole row, if the row height is larger than
966 // the screen height, we scroll to a heuristic value of height_ / 4.
967 // FIXME: This heuristic value should be replaced by a recursive search
968 // for a row in the inset that can be visualized completely.
969 else if (row_dim.height() > height_) {
970 if (ypos < defaultRowHeight())
971 scrolled = scroll(ypos - height_ / 4);
972 else if (ypos > height_ - defaultRowHeight())
973 scrolled = scroll(ypos - 3 * height_ / 4);
976 // If the top part of the row falls of the screen, we scroll
977 // up to align the top of the row with the top of the screen.
978 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
979 int ynew = row_dim.ascent();
980 scrolled = scrollUp(ynew - ypos);
983 // If the bottom of the row falls of the screen, we scroll down.
984 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
985 int ynew = height_ - row_dim.descent();
986 scrolled = scrollDown(ypos - ynew);
989 // else, nothing to do, the cursor is already visible so we just return.
990 return scrolled != 0;
993 // fix inline completion position
994 if (d->inlineCompletionPos_.fixIfBroken())
995 d->inlineCompletionPos_ = DocIterator();
997 tm.redoParagraph(bot_pit);
998 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
999 int offset = coordOffset(dit).y_;
1001 d->anchor_pit_ = bot_pit;
1002 CursorSlice const & cs = dit.innerTextSlice();
1003 Dimension const & row_dim =
1004 pm.getRow(cs.pos(), dit.boundary()).dim();
1007 d->anchor_ypos_ = height_/2;
1008 else if (d->anchor_pit_ == 0)
1009 d->anchor_ypos_ = offset + pm.ascent();
1010 else if (d->anchor_pit_ == max_pit)
1011 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1012 else if (offset > height_)
1013 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1015 d->anchor_ypos_ = defaultRowHeight() * 2;
1021 void BufferView::makeDocumentClass()
1023 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1024 buffer_.params().makeDocumentClass();
1025 updateDocumentClass(olddc);
1029 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1031 message(_("Converting document to new document class..."));
1033 StableDocIterator backcur(d->cursor_);
1034 ErrorList & el = buffer_.errorList("Class Switch");
1035 cap::switchBetweenClasses(
1036 olddc, buffer_.params().documentClassPtr(),
1037 static_cast<InsetText &>(buffer_.inset()), el);
1039 setCursor(backcur.asDocIterator(&buffer_));
1041 buffer_.errors("Class Switch");
1045 /** Return the change status at cursor position, taking into account the
1046 * status at each level of the document iterator (a table in a deleted
1047 * footnote is deleted).
1048 * When \param outer is true, the top slice is not looked at.
1050 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1052 size_t const depth = dit.depth() - (outer ? 1 : 0);
1054 for (size_t i = 0 ; i < depth ; ++i) {
1055 CursorSlice const & slice = dit[i];
1056 if (!slice.inset().inMathed()
1057 && slice.pos() < slice.paragraph().size()) {
1058 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1059 if (ch != Change::UNCHANGED)
1063 return Change::UNCHANGED;
1067 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1069 FuncCode const act = cmd.action();
1071 // Can we use a readonly buffer?
1072 if (buffer_.isReadonly()
1073 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1074 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1075 if (buffer_.hasReadonlyFlag())
1076 flag.message(from_utf8(N_("Document is read-only")));
1078 flag.message(from_utf8(N_("Document has been modified externally")));
1079 flag.setEnabled(false);
1083 // Are we in a DELETED change-tracking region?
1084 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1085 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1086 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1087 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1088 flag.setEnabled(false);
1092 Cursor & cur = d->cursor_;
1094 if (cur.getStatus(cmd, flag))
1099 // FIXME: This is a bit problematic because we don't check if this is
1100 // a document BufferView or not for these LFUNs. We probably have to
1101 // dispatch both to currentBufferView() and, if that fails,
1102 // to documentBufferView(); same as we do now for current Buffer and
1103 // document Buffer. Ideally those LFUN should go to Buffer as they
1104 // operate on the full Buffer and the cursor is only needed either for
1105 // an Undo record or to restore a cursor position. But we don't know
1106 // how to do that inside Buffer of course.
1107 case LFUN_BUFFER_PARAMS_APPLY:
1108 case LFUN_LAYOUT_MODULES_CLEAR:
1109 case LFUN_LAYOUT_MODULE_ADD:
1110 case LFUN_LAYOUT_RELOAD:
1111 case LFUN_TEXTCLASS_APPLY:
1112 case LFUN_TEXTCLASS_LOAD:
1113 flag.setEnabled(!buffer_.isReadonly());
1117 // We do not use the LyXAction flag for readonly because Undo sets the
1118 // buffer clean/dirty status by itself.
1119 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1122 // We do not use the LyXAction flag for readonly because Redo sets the
1123 // buffer clean/dirty status by itself.
1124 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1126 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1127 case LFUN_FILE_INSERT_PLAINTEXT: {
1128 docstring const fname = cmd.argument();
1129 if (!FileName::isAbsolute(to_utf8(fname))) {
1130 flag.message(_("Absolute filename expected."));
1133 flag.setEnabled(cur.inTexted());
1136 case LFUN_FILE_INSERT:
1137 case LFUN_BOOKMARK_SAVE:
1138 // FIXME: Actually, these LFUNS should be moved to Text
1139 flag.setEnabled(cur.inTexted());
1142 case LFUN_FONT_STATE:
1143 case LFUN_LABEL_INSERT:
1144 case LFUN_INFO_INSERT:
1145 case LFUN_PARAGRAPH_GOTO:
1146 case LFUN_NOTE_NEXT:
1147 case LFUN_REFERENCE_NEXT:
1148 case LFUN_WORD_FIND:
1149 case LFUN_WORD_FIND_FORWARD:
1150 case LFUN_WORD_FIND_BACKWARD:
1151 case LFUN_WORD_REPLACE:
1154 case LFUN_MARK_TOGGLE:
1155 case LFUN_SCREEN_RECENTER:
1156 case LFUN_SCREEN_SHOW_CURSOR:
1157 case LFUN_BIBTEX_DATABASE_ADD:
1158 case LFUN_BIBTEX_DATABASE_DEL:
1159 case LFUN_STATISTICS:
1160 case LFUN_KEYMAP_OFF:
1161 case LFUN_KEYMAP_PRIMARY:
1162 case LFUN_KEYMAP_SECONDARY:
1163 case LFUN_KEYMAP_TOGGLE:
1164 case LFUN_INSET_SELECT_ALL:
1165 flag.setEnabled(true);
1168 case LFUN_GRAPHICS_UNIFY:
1169 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1172 case LFUN_WORD_FINDADV: {
1173 FindAndReplaceOptions opt;
1174 istringstream iss(to_utf8(cmd.argument()));
1176 flag.setEnabled(opt.repl_buf_name.empty()
1177 || !buffer_.isReadonly());
1181 case LFUN_LABEL_GOTO:
1182 flag.setEnabled(!cmd.argument().empty()
1183 || getInsetByCode<InsetRef>(cur, REF_CODE));
1186 case LFUN_CHANGES_MERGE:
1187 case LFUN_CHANGE_NEXT:
1188 case LFUN_CHANGE_PREVIOUS:
1189 case LFUN_ALL_CHANGES_ACCEPT:
1190 case LFUN_ALL_CHANGES_REJECT:
1191 flag.setEnabled(buffer_.areChangesPresent());
1194 case LFUN_SCREEN_UP:
1195 case LFUN_SCREEN_DOWN:
1197 case LFUN_SCREEN_UP_SELECT:
1198 case LFUN_SCREEN_DOWN_SELECT:
1199 case LFUN_INSET_FORALL:
1200 flag.setEnabled(true);
1203 case LFUN_LAYOUT_TABULAR:
1204 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1208 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1211 case LFUN_LAYOUT_PARAGRAPH:
1212 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1215 case LFUN_BRANCH_ADD_INSERT:
1216 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1219 case LFUN_DIALOG_SHOW_NEW_INSET:
1220 // FIXME: this is wrong, but I do not understand the
1222 if (cur.inset().lyxCode() == CAPTION_CODE)
1223 return cur.inset().getStatus(cur, cmd, flag);
1224 // FIXME we should consider passthru paragraphs too.
1225 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1228 case LFUN_CITATION_INSERT: {
1229 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1230 // FIXME: This could turn in a recursive hell.
1231 // Shouldn't we use Buffer::getStatus() instead?
1232 flag.setEnabled(lyx::getStatus(fr).enabled());
1235 case LFUN_INSET_APPLY: {
1236 string const name = cmd.getArg(0);
1237 Inset * inset = editedInset(name);
1239 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1240 if (!inset->getStatus(cur, fr, flag)) {
1241 // Every inset is supposed to handle this
1242 LASSERT(false, break);
1245 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1246 flag = lyx::getStatus(fr);
1259 Inset * BufferView::editedInset(string const & name) const
1261 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1262 return it == d->edited_insets_.end() ? 0 : it->second;
1266 void BufferView::editInset(string const & name, Inset * inset)
1269 d->edited_insets_[name] = inset;
1271 d->edited_insets_.erase(name);
1275 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1277 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1279 string const argument = to_utf8(cmd.argument());
1280 Cursor & cur = d->cursor_;
1283 // Don't dispatch function that does not apply to internal buffers.
1284 if (buffer_.isInternal()
1285 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1288 // We'll set this back to false if need be.
1289 bool dispatched = true;
1290 buffer_.undo().beginUndoGroup();
1292 FuncCode const act = cmd.action();
1295 case LFUN_BUFFER_PARAMS_APPLY: {
1296 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1297 cur.recordUndoBufferParams();
1298 istringstream ss(to_utf8(cmd.argument()));
1301 int const unknown_tokens = buffer_.readHeader(lex);
1302 if (unknown_tokens != 0) {
1303 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1304 << unknown_tokens << " unknown token"
1305 << (unknown_tokens == 1 ? "" : "s"));
1307 updateDocumentClass(olddc);
1309 // We are most certainly here because of a change in the document
1310 // It is then better to make sure that all dialogs are in sync with
1311 // current document settings.
1312 dr.screenUpdate(Update::Force | Update::FitCursor);
1313 dr.forceBufferUpdate();
1317 case LFUN_LAYOUT_MODULES_CLEAR: {
1318 // FIXME: this modifies the document in cap::switchBetweenClasses
1319 // without calling recordUndo. Fix this before using
1320 // recordUndoBufferParams().
1321 cur.recordUndoFullBuffer();
1322 buffer_.params().clearLayoutModules();
1323 makeDocumentClass();
1324 dr.screenUpdate(Update::Force);
1325 dr.forceBufferUpdate();
1329 case LFUN_LAYOUT_MODULE_ADD: {
1330 BufferParams const & params = buffer_.params();
1331 if (!params.layoutModuleCanBeAdded(argument)) {
1332 LYXERR0("Module `" << argument <<
1333 "' cannot be added due to failed requirements or "
1334 "conflicts with installed modules.");
1337 // FIXME: this modifies the document in cap::switchBetweenClasses
1338 // without calling recordUndo. Fix this before using
1339 // recordUndoBufferParams().
1340 cur.recordUndoFullBuffer();
1341 buffer_.params().addLayoutModule(argument);
1342 makeDocumentClass();
1343 dr.screenUpdate(Update::Force);
1344 dr.forceBufferUpdate();
1348 case LFUN_TEXTCLASS_APPLY: {
1349 // since this shortcircuits, the second call is made only if
1351 bool const success =
1352 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1353 LayoutFileList::get().load(argument, buffer_.filePath());
1355 docstring s = bformat(_("The document class `%1$s' "
1356 "could not be loaded."), from_utf8(argument));
1357 frontend::Alert::error(_("Could not load class"), s);
1361 LayoutFile const * old_layout = buffer_.params().baseClass();
1362 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1364 if (old_layout == new_layout)
1368 // Save the old, possibly modular, layout for use in conversion.
1369 // FIXME: this modifies the document in cap::switchBetweenClasses
1370 // without calling recordUndo. Fix this before using
1371 // recordUndoBufferParams().
1372 cur.recordUndoFullBuffer();
1373 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1374 makeDocumentClass();
1375 dr.screenUpdate(Update::Force);
1376 dr.forceBufferUpdate();
1380 case LFUN_TEXTCLASS_LOAD: {
1381 // since this shortcircuits, the second call is made only if
1383 bool const success =
1384 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1385 LayoutFileList::get().load(argument, buffer_.filePath());
1387 docstring s = bformat(_("The document class `%1$s' "
1388 "could not be loaded."), from_utf8(argument));
1389 frontend::Alert::error(_("Could not load class"), s);
1394 case LFUN_LAYOUT_RELOAD: {
1395 LayoutFileIndex bc = buffer_.params().baseClassID();
1396 LayoutFileList::get().reset(bc);
1397 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1398 makeDocumentClass();
1399 dr.screenUpdate(Update::Force);
1400 dr.forceBufferUpdate();
1405 dr.setMessage(_("Undo"));
1406 cur.clearSelection();
1407 // We need to find out if the bibliography information
1408 // has changed. See bug #11055.
1409 // So these should not be references...
1410 string const engine = buffer().params().citeEngine();
1411 CiteEngineType const enginetype = buffer().params().citeEngineType();
1412 if (!cur.undoAction())
1413 dr.setMessage(_("No further undo information"));
1415 dr.screenUpdate(Update::Force | Update::FitCursor);
1416 dr.forceBufferUpdate();
1417 if (buffer().params().citeEngine() != engine ||
1418 buffer().params().citeEngineType() != enginetype)
1419 buffer().invalidateCiteLabels();
1425 dr.setMessage(_("Redo"));
1426 cur.clearSelection();
1427 // We need to find out if the bibliography information
1428 // has changed. See bug #11055.
1429 // So these should not be references...
1430 string const engine = buffer().params().citeEngine();
1431 CiteEngineType const enginetype = buffer().params().citeEngineType();
1432 if (!cur.redoAction())
1433 dr.setMessage(_("No further redo information"));
1435 dr.screenUpdate(Update::Force | Update::FitCursor);
1436 dr.forceBufferUpdate();
1437 if (buffer().params().citeEngine() != engine ||
1438 buffer().params().citeEngineType() != enginetype)
1439 buffer().invalidateCiteLabels();
1444 case LFUN_FONT_STATE:
1445 dr.setMessage(cur.currentState(false));
1448 case LFUN_BOOKMARK_SAVE:
1449 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1452 case LFUN_LABEL_GOTO: {
1453 docstring label = cmd.argument();
1454 if (label.empty()) {
1456 getInsetByCode<InsetRef>(cur, REF_CODE);
1458 label = inset->getParam("reference");
1459 // persistent=false: use temp_bookmark
1463 if (!label.empty()) {
1465 // at the moment, this is redundant, since gotoLabel will
1466 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1468 dr.screenUpdate(Update::Force | Update::FitCursor);
1473 case LFUN_PARAGRAPH_GOTO: {
1474 int const id = convert<int>(cmd.getArg(0));
1475 pos_type const pos = convert<int>(cmd.getArg(1));
1478 string const str_id_end = cmd.getArg(2);
1479 string const str_pos_end = cmd.getArg(3);
1481 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1482 b = theBufferList().next(b)) {
1485 curs.setCursor(b->getParFromID(id));
1487 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1491 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1492 << " found in buffer `"
1493 << b->absFileName() << "'.");
1495 if (b == &buffer_) {
1497 if (str_id_end.empty() || str_pos_end.empty()) {
1500 mouseSetCursor(curs);
1503 int const id_end = convert<int>(str_id_end);
1504 pos_type const pos_end = convert<int>(str_pos_end);
1505 success = setCursorFromEntries({id, pos},
1509 dr.screenUpdate(Update::Force | Update::FitCursor);
1511 // Switch to other buffer view and resend cmd
1512 lyx::dispatch(FuncRequest(
1513 LFUN_BUFFER_SWITCH, b->absFileName()));
1521 case LFUN_NOTE_NEXT:
1522 gotoInset(this, NOTE_CODE, false);
1525 case LFUN_REFERENCE_NEXT: {
1526 vector<InsetCode> tmp;
1527 tmp.push_back(LABEL_CODE);
1528 tmp.push_back(REF_CODE);
1529 gotoInset(this, tmp, true);
1533 case LFUN_CHANGE_NEXT:
1534 findNextChange(this);
1535 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1536 dr.screenUpdate(Update::Force | Update::FitCursor);
1539 case LFUN_CHANGE_PREVIOUS:
1540 findPreviousChange(this);
1541 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1542 dr.screenUpdate(Update::Force | Update::FitCursor);
1545 case LFUN_CHANGES_MERGE:
1546 if (findNextChange(this) || findPreviousChange(this)) {
1547 dr.screenUpdate(Update::Force | Update::FitCursor);
1548 dr.forceBufferUpdate();
1549 showDialog("changes");
1553 case LFUN_ALL_CHANGES_ACCEPT:
1554 // select complete document
1556 cur.selHandle(true);
1557 buffer_.text().cursorBottom(cur);
1558 // accept everything in a single step to support atomic undo
1559 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1561 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1562 dr.screenUpdate(Update::Force | Update::FitCursor);
1563 dr.forceBufferUpdate();
1566 case LFUN_ALL_CHANGES_REJECT:
1567 // select complete document
1569 cur.selHandle(true);
1570 buffer_.text().cursorBottom(cur);
1571 // reject everything in a single step to support atomic undo
1572 // Note: reject does not work recursively; the user may have to repeat the operation
1573 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1575 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1576 dr.screenUpdate(Update::Force | Update::FitCursor);
1577 dr.forceBufferUpdate();
1580 case LFUN_WORD_FIND_FORWARD:
1581 case LFUN_WORD_FIND_BACKWARD: {
1583 // Would it maybe be better if this variable were view specific anyway?
1584 static docstring last_search;
1585 docstring searched_string;
1587 if (!cmd.argument().empty()) {
1588 last_search = cmd.argument();
1589 searched_string = cmd.argument();
1591 searched_string = last_search;
1594 if (searched_string.empty())
1597 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1598 docstring const data =
1599 find2string(searched_string, true, false, fw);
1600 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1602 dr.screenUpdate(Update::Force | Update::FitCursor);
1606 case LFUN_WORD_FIND: {
1607 FuncRequest req = cmd;
1608 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1609 req = d->search_request_cache_;
1610 if (req.argument().empty()) {
1611 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1614 if (lyxfind(this, req))
1615 dr.screenUpdate(Update::Force | Update::FitCursor);
1617 d->search_request_cache_ = req;
1621 case LFUN_WORD_REPLACE: {
1622 bool has_deleted = false;
1623 if (cur.selection()) {
1624 DocIterator beg = cur.selectionBegin();
1625 DocIterator end = cur.selectionEnd();
1626 if (beg.pit() == end.pit()) {
1627 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1628 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1635 if (lyxreplace(this, cmd, has_deleted)) {
1636 dr.forceBufferUpdate();
1637 dr.screenUpdate(Update::Force | Update::FitCursor);
1642 case LFUN_WORD_FINDADV: {
1643 FindAndReplaceOptions opt;
1644 istringstream iss(to_utf8(cmd.argument()));
1646 if (findAdv(this, opt)) {
1647 dr.screenUpdate(Update::Force | Update::FitCursor);
1658 cur.clearSelection();
1659 dr.setMessage(from_utf8(N_("Mark off")));
1663 cur.clearSelection();
1665 dr.setMessage(from_utf8(N_("Mark on")));
1668 case LFUN_MARK_TOGGLE:
1669 cur.selection(false);
1672 dr.setMessage(from_utf8(N_("Mark removed")));
1675 dr.setMessage(from_utf8(N_("Mark set")));
1680 case LFUN_SCREEN_SHOW_CURSOR:
1684 case LFUN_SCREEN_RECENTER:
1688 case LFUN_BIBTEX_DATABASE_ADD: {
1689 Cursor tmpcur = cur;
1690 findInset(tmpcur, BIBTEX_CODE, false);
1691 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1694 if (inset->addDatabase(cmd.argument()))
1695 dr.forceBufferUpdate();
1700 case LFUN_BIBTEX_DATABASE_DEL: {
1701 Cursor tmpcur = cur;
1702 findInset(tmpcur, BIBTEX_CODE, false);
1703 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1706 if (inset->delDatabase(cmd.argument()))
1707 dr.forceBufferUpdate();
1712 case LFUN_GRAPHICS_UNIFY: {
1714 cur.recordUndoFullBuffer();
1716 DocIterator from, to;
1717 from = cur.selectionBegin();
1718 to = cur.selectionEnd();
1720 string const newId = cmd.getArg(0);
1721 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1723 InsetGraphicsParams grp_par;
1725 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1727 if (!from.nextInset()) //move to closest inset
1728 from.forwardInset();
1730 while (!from.empty() && from < to) {
1731 Inset * inset = from.nextInset();
1734 InsetGraphics * ig = inset->asInsetGraphics();
1736 InsetGraphicsParams inspar = ig->getParams();
1741 grp_par.filename = inspar.filename;
1742 ig->setParams(grp_par);
1745 from.forwardInset();
1747 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1751 case LFUN_STATISTICS: {
1752 DocIterator from, to;
1753 if (cur.selection()) {
1754 from = cur.selectionBegin();
1755 to = cur.selectionEnd();
1757 from = doc_iterator_begin(&buffer_);
1758 to = doc_iterator_end(&buffer_);
1760 buffer_.updateStatistics(from, to);
1761 int const words = buffer_.wordCount();
1762 int const chars = buffer_.charCount(false);
1763 int const chars_blanks = buffer_.charCount(true);
1765 if (cur.selection())
1766 message = _("Statistics for the selection:");
1768 message = _("Statistics for the document:");
1771 message += bformat(_("%1$d words"), words);
1773 message += _("One word");
1775 if (chars_blanks != 1)
1776 message += bformat(_("%1$d characters (including blanks)"),
1779 message += _("One character (including blanks)");
1782 message += bformat(_("%1$d characters (excluding blanks)"),
1785 message += _("One character (excluding blanks)");
1787 Alert::information(_("Statistics"), message);
1791 case LFUN_SCREEN_UP:
1792 case LFUN_SCREEN_DOWN: {
1793 Point p = getPos(cur);
1794 // This code has been commented out to enable to scroll down a
1795 // document, even if there are large insets in it (see bug #5465).
1796 /*if (p.y_ < 0 || p.y_ > height_) {
1797 // The cursor is off-screen so recenter before proceeding.
1801 int const scrolled = scroll(act == LFUN_SCREEN_UP
1802 ? -height_ : height_);
1803 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1805 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1806 p = Point(width_, height_);
1807 bool const in_texted = cur.inTexted();
1808 cur.setCursor(doc_iterator_begin(cur.buffer()));
1809 cur.selHandle(false);
1810 // Force an immediate computation of metrics because we need it below
1811 processUpdateFlags(Update::Force);
1813 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1814 true, act == LFUN_SCREEN_UP);
1815 //FIXME: what to do with cur.x_target()?
1816 bool update = in_texted && cur.bv().checkDepm(cur, old);
1819 if (update || cur.mark())
1820 dr.screenUpdate(Update::Force | Update::FitCursor);
1822 dr.forceBufferUpdate();
1827 string const scroll_type = cmd.getArg(0);
1828 int scroll_step = 0;
1829 if (scroll_type == "line")
1830 scroll_step = d->scrollbarParameters_.single_step;
1831 else if (scroll_type == "page")
1832 scroll_step = d->scrollbarParameters_.page_step;
1835 string const scroll_quantity = cmd.getArg(1);
1836 if (scroll_quantity == "up")
1837 scrollUp(scroll_step);
1838 else if (scroll_quantity == "down")
1839 scrollDown(scroll_step);
1841 int const scroll_value = convert<int>(scroll_quantity);
1843 scroll(scroll_step * scroll_value);
1845 dr.screenUpdate(Update::ForceDraw);
1846 dr.forceBufferUpdate();
1850 case LFUN_SCREEN_UP_SELECT: {
1851 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1852 cur.selHandle(true);
1853 if (isTopScreen()) {
1854 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1858 int y = getPos(cur).y_;
1859 int const ymin = y - height_ + defaultRowHeight();
1860 while (y > ymin && cur.up())
1864 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1868 case LFUN_SCREEN_DOWN_SELECT: {
1869 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1870 cur.selHandle(true);
1871 if (isBottomScreen()) {
1872 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1876 int y = getPos(cur).y_;
1877 int const ymax = y + height_ - defaultRowHeight();
1878 while (y < ymax && cur.down())
1882 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1887 case LFUN_INSET_SELECT_ALL: {
1888 // true if all cells are selected
1889 bool const all_selected = cur.depth() > 1
1890 && cur.selBegin().at_begin()
1891 && cur.selEnd().at_end();
1892 // true if some cells are selected
1893 bool const cells_selected = cur.depth() > 1
1894 && cur.selBegin().at_cell_begin()
1895 && cur.selEnd().at_cell_end();
1896 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1897 // All the contents of the inset if selected, or only at
1898 // least one cell but inset is not a table.
1899 // Select the inset from outside.
1902 cur.selection(true);
1904 } else if (cells_selected) {
1905 // At least one complete cell is selected and inset is a table.
1911 cur.selection(true);
1912 cur.idx() = cur.lastidx();
1913 cur.pit() = cur.lastpit();
1914 cur.pos() = cur.lastpos();
1916 // select current cell
1920 cur.selection(true);
1921 cur.pit() = cur.lastpit();
1922 cur.pos() = cur.lastpos();
1924 cur.setCurrentFont();
1925 dr.screenUpdate(Update::Force);
1930 case LFUN_UNICODE_INSERT: {
1931 if (cmd.argument().empty())
1934 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1935 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1938 docstring const arg = from_utf8(cmd.getArg(i));
1942 LYXERR0("Not a hexstring: " << arg);
1946 char_type c = hexToInt(arg);
1947 if (c >= 32 && c < 0x10ffff) {
1948 LYXERR(Debug::KEY, "Inserting c: " << c);
1949 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1957 // This would be in Buffer class if only Cursor did not
1958 // require a bufferview
1959 case LFUN_INSET_FORALL: {
1960 docstring const name = from_utf8(cmd.getArg(0));
1961 string const commandstr = cmd.getLongArg(1);
1962 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1964 // an arbitrary number to limit number of iterations
1965 const int max_iter = 100000;
1967 Cursor & curs = d->cursor_;
1968 Cursor const savecur = curs;
1970 if (!curs.nextInset())
1971 curs.forwardInset();
1972 curs.beginUndoGroup();
1973 while(curs && iterations < max_iter) {
1974 Inset * const ins = curs.nextInset();
1977 docstring insname = ins->layoutName();
1978 while (!insname.empty()) {
1979 if (insname == name || name == from_utf8("*")) {
1981 lyx::dispatch(fr, dr);
1985 size_t const i = insname.rfind(':');
1986 if (i == string::npos)
1988 insname = insname.substr(0, i);
1990 // if we did not delete the inset, skip it
1991 if (!curs.nextInset() || curs.nextInset() == ins)
1992 curs.forwardInset();
1996 /** This is a dummy undo record only to remember the cursor
1997 * that has just been set; this will be used on a redo action
1998 * (see ticket #10097)
2000 * FIXME: a better fix would be to have a way to set the
2001 * cursor value directly, but I am not sure it is worth it.
2004 curs.endUndoGroup();
2005 dr.screenUpdate(Update::Force);
2006 dr.forceBufferUpdate();
2008 if (iterations >= max_iter) {
2010 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2012 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2017 case LFUN_BRANCH_ADD_INSERT: {
2018 docstring branch_name = from_utf8(cmd.getArg(0));
2019 if (branch_name.empty())
2020 if (!Alert::askForText(branch_name, _("Branch name")) ||
2021 branch_name.empty())
2024 DispatchResult drtmp;
2025 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2026 if (drtmp.error()) {
2027 Alert::warning(_("Branch already exists"), drtmp.message());
2030 docstring const sep = buffer_.params().branchlist().separator();
2031 for (docstring const & branch : getVectorFromString(branch_name, sep))
2032 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2036 case LFUN_KEYMAP_OFF:
2037 getIntl().keyMapOn(false);
2040 case LFUN_KEYMAP_PRIMARY:
2041 getIntl().keyMapPrim();
2044 case LFUN_KEYMAP_SECONDARY:
2045 getIntl().keyMapSec();
2048 case LFUN_KEYMAP_TOGGLE:
2049 getIntl().toggleKeyMap();
2052 case LFUN_DIALOG_SHOW_NEW_INSET: {
2053 string const name = cmd.getArg(0);
2054 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2055 if (decodeInsetParam(name, data, buffer_))
2056 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2058 lyxerr << "Inset type '" << name <<
2059 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2063 case LFUN_CITATION_INSERT: {
2064 if (argument.empty()) {
2065 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2068 // we can have one optional argument, delimited by '|'
2069 // citation-insert <key>|<text_before>
2070 // this should be enhanced to also support text_after
2071 // and citation style
2072 string arg = argument;
2074 if (contains(argument, "|")) {
2075 arg = token(argument, '|', 0);
2076 opt1 = token(argument, '|', 1);
2079 // if our cursor is directly in front of or behind a citation inset,
2080 // we will instead add the new key to it.
2081 Inset * inset = cur.nextInset();
2082 if (!inset || inset->lyxCode() != CITE_CODE)
2083 inset = cur.prevInset();
2084 if (inset && inset->lyxCode() == CITE_CODE) {
2085 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2086 if (icite->addKey(arg)) {
2087 dr.forceBufferUpdate();
2088 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2090 LYXERR0("Discarding optional argument to citation-insert.");
2095 InsetCommandParams icp(CITE_CODE);
2096 icp["key"] = from_utf8(arg);
2098 icp["before"] = from_utf8(opt1);
2100 from_ascii(InsetCitation::last_literal ? "true" : "false");
2101 string icstr = InsetCommand::params2string(icp);
2102 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2107 case LFUN_INSET_APPLY: {
2108 string const name = cmd.getArg(0);
2109 Inset * inset = editedInset(name);
2111 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2115 // put cursor in front of inset.
2116 if (!setCursorFromInset(inset)) {
2117 LASSERT(false, break);
2120 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2121 inset->dispatch(cur, fr);
2122 dr.screenUpdate(cur.result().screenUpdate());
2123 if (cur.result().needBufferUpdate())
2124 dr.forceBufferUpdate();
2129 // The change of language of buffer belongs to the Buffer class.
2130 // We have to do it here because we need a cursor for Undo.
2131 // When Undo::recordUndoBufferParams() is implemented someday
2132 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2133 case LFUN_BUFFER_LANGUAGE: {
2134 Language const * oldL = buffer_.params().language;
2135 Language const * newL = languages.getLanguage(argument);
2136 if (!newL || oldL == newL)
2138 if (oldL->rightToLeft() == newL->rightToLeft()) {
2139 cur.recordUndoFullBuffer();
2140 buffer_.changeLanguage(oldL, newL);
2141 cur.setCurrentFont();
2142 dr.forceBufferUpdate();
2147 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2148 case LFUN_FILE_INSERT_PLAINTEXT: {
2149 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2150 string const fname = to_utf8(cmd.argument());
2151 if (!FileName::isAbsolute(fname))
2152 dr.setMessage(_("Absolute filename expected."));
2154 insertPlaintextFile(FileName(fname), as_paragraph);
2159 // OK, so try the Buffer itself...
2160 buffer_.dispatch(cmd, dr);
2161 dispatched = dr.dispatched();
2165 buffer_.undo().endUndoGroup();
2166 dr.dispatched(dispatched);
2168 // NOTE: The code below is copied from Cursor::dispatch. If you
2169 // need to modify this, please update the other one too.
2171 // notify insets we just entered/left
2172 if (cursor() != old) {
2173 old.beginUndoGroup();
2175 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2177 cursor().fixIfBroken();
2178 resetInlineCompletionPos();
2185 docstring const BufferView::requestSelection()
2187 Cursor & cur = d->cursor_;
2189 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2190 if (!cur.selection()) {
2191 d->xsel_cache_.set = false;
2195 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2196 if (!d->xsel_cache_.set ||
2197 cur.top() != d->xsel_cache_.cursor ||
2198 cur.realAnchor().top() != d->xsel_cache_.anchor)
2200 d->xsel_cache_.cursor = cur.top();
2201 d->xsel_cache_.anchor = cur.realAnchor().top();
2202 d->xsel_cache_.set = cur.selection();
2203 return cur.selectionAsString(false);
2209 void BufferView::clearSelection()
2211 d->cursor_.clearSelection();
2212 // Clear the selection buffer. Otherwise a subsequent
2213 // middle-mouse-button paste would use the selection buffer,
2214 // not the more current external selection.
2215 cap::clearSelection();
2216 d->xsel_cache_.set = false;
2217 // The buffer did not really change, but this causes the
2218 // redraw we need because we cleared the selection above.
2219 buffer_.changed(false);
2223 void BufferView::resize(int width, int height)
2225 // Update from work area
2229 // Clear the paragraph height cache.
2230 d->par_height_.clear();
2231 // Redo the metrics.
2236 Inset const * BufferView::getCoveringInset(Text const & text,
2239 TextMetrics & tm = d->text_metrics_[&text];
2240 Inset * inset = tm.checkInsetHit(x, y);
2244 if (!inset->descendable(*this))
2245 // No need to go further down if the inset is not
2249 size_t cell_number = inset->nargs();
2250 // Check all the inner cell.
2251 for (size_t i = 0; i != cell_number; ++i) {
2252 Text const * inner_text = inset->getText(i);
2255 Inset const * inset_deeper =
2256 getCoveringInset(*inner_text, x, y);
2258 return inset_deeper;
2266 void BufferView::updateHoveredInset() const
2268 // Get inset under mouse, if there is one.
2269 int const x = d->mouse_position_cache_.x_;
2270 int const y = d->mouse_position_cache_.y_;
2271 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2273 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2275 if (covering_inset == d->last_inset_)
2276 // Same inset, no need to do anything...
2279 bool need_redraw = false;
2280 if (d->last_inset_) {
2281 // Remove the hint on the last hovered inset (if any).
2282 need_redraw |= d->last_inset_->setMouseHover(this, false);
2286 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2288 // Only the insets that accept the hover state, do
2289 // clear the last_inset_, so only set the last_inset_
2290 // member if the hovered setting is accepted.
2291 d->last_inset_ = covering_inset;
2295 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2296 << d->mouse_position_cache_.x_ << ", "
2297 << d->mouse_position_cache_.y_ << ")");
2299 d->update_strategy_ = DecorationUpdate;
2301 // This event (moving without mouse click) is not passed further.
2302 // This should be changed if it is further utilized.
2303 buffer_.changed(false);
2308 void BufferView::clearLastInset(Inset * inset) const
2310 if (d->last_inset_ != inset) {
2311 LYXERR0("Wrong last_inset!");
2318 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2320 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2322 // This is only called for mouse related events including
2323 // LFUN_FILE_OPEN generated by drag-and-drop.
2324 FuncRequest cmd = cmd0;
2326 Cursor old = cursor();
2328 cur.push(buffer_.inset());
2329 cur.selection(d->cursor_.selection());
2331 // Either the inset under the cursor or the
2332 // surrounding Text will handle this event.
2334 // make sure we stay within the screen...
2335 cmd.set_y(min(max(cmd.y(), -1), height_));
2337 d->mouse_position_cache_.x_ = cmd.x();
2338 d->mouse_position_cache_.y_ = cmd.y();
2340 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2341 updateHoveredInset();
2345 // Build temporary cursor.
2346 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2348 // If inset is not editable, cur.pos() might point behind the
2349 // inset (depending on cmd.x(), cmd.y()). This is needed for
2350 // editing to fix bug 9628, but e.g. the context menu needs a
2351 // cursor in front of the inset.
2352 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2353 || inset->lyxCode() == SEPARATOR_CODE) &&
2354 cur.nextInset() != inset && cur.prevInset() == inset)
2356 } else if (cur.inTexted() && cur.pos()
2357 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2358 // Always place cursor in front of a separator inset.
2362 // Put anchor at the same position.
2365 cur.beginUndoGroup();
2367 // Try to dispatch to an non-editable inset near this position
2368 // via the temp cursor. If the inset wishes to change the real
2369 // cursor it has to do so explicitly by using
2370 // cur.bv().cursor() = cur; (or similar)
2372 inset->dispatch(cur, cmd);
2374 // Now dispatch to the temporary cursor. If the real cursor should
2375 // be modified, the inset's dispatch has to do so explicitly.
2376 if (!inset || !cur.result().dispatched())
2379 // Notify left insets
2381 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2382 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2384 cursor().fixIfBroken();
2389 // Do we have a selection?
2390 theSelection().haveSelection(cursor().selection());
2392 if (cur.needBufferUpdate()) {
2393 cur.clearBufferUpdate();
2394 buffer().updateBuffer();
2397 // If the command has been dispatched,
2398 if (cur.result().dispatched() || cur.result().screenUpdate())
2399 processUpdateFlags(cur.result().screenUpdate());
2403 int BufferView::minVisiblePart()
2405 return 2 * defaultRowHeight();
2409 int BufferView::scroll(int y)
2412 return scrollDown(y);
2414 return scrollUp(-y);
2419 int BufferView::scrollDown(int offset)
2421 Text * text = &buffer_.text();
2422 TextMetrics & tm = d->text_metrics_[text];
2423 int const ymax = height_ + offset;
2425 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2426 int bottom_pos = last.second->position() + last.second->descent();
2427 if (lyxrc.scroll_below_document)
2428 bottom_pos += height_ - minVisiblePart();
2429 if (last.first + 1 == int(text->paragraphs().size())) {
2430 if (bottom_pos <= height_)
2432 offset = min(offset, bottom_pos - height_);
2435 if (bottom_pos > ymax)
2437 tm.newParMetricsDown();
2439 d->anchor_ypos_ -= offset;
2444 int BufferView::scrollUp(int offset)
2446 Text * text = &buffer_.text();
2447 TextMetrics & tm = d->text_metrics_[text];
2448 int ymin = - offset;
2450 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2451 int top_pos = first.second->position() - first.second->ascent();
2452 if (first.first == 0) {
2455 offset = min(offset, - top_pos);
2460 tm.newParMetricsUp();
2462 d->anchor_ypos_ += offset;
2467 bool BufferView::setCursorFromRow(int row)
2469 TexRow::TextEntry start, end;
2470 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2471 LYXERR(Debug::LATEX,
2472 "setCursorFromRow: for row " << row << ", TexRow has found "
2473 "start (id=" << start.id << ",pos=" << start.pos << "), "
2474 "end (id=" << end.id << ",pos=" << end.pos << ")");
2475 return setCursorFromEntries(start, end);
2479 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2480 TexRow::TextEntry end)
2482 DocIterator dit_start, dit_end;
2483 tie(dit_start,dit_end) =
2484 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2487 // Setting selection start
2488 d->cursor_.clearSelection();
2489 setCursor(dit_start);
2490 // Setting selection end
2492 d->cursor_.resetAnchor();
2493 setCursorSelectionTo(dit_end);
2499 bool BufferView::setCursorFromInset(Inset const * inset)
2501 // are we already there?
2502 if (cursor().nextInset() == inset)
2505 // Inset is not at cursor position. Find it in the document.
2508 while (cur && cur.nextInset() != inset)
2519 void BufferView::gotoLabel(docstring const & label)
2522 bool have_inactive = false;
2523 for (Buffer const * buf : buffer().allRelatives()) {
2525 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2526 if (label == item.str() && item.isOutput()) {
2527 lyx::dispatch(item.action());
2530 // If we find an inactive label, save it for the case
2531 // that no active one is there
2532 if (label == item.str() && !have_inactive) {
2533 have_inactive = true;
2534 action = item.action();
2538 // We only found an inactive label. Go there.
2540 lyx::dispatch(action);
2544 TextMetrics const & BufferView::textMetrics(Text const * t) const
2546 return const_cast<BufferView *>(this)->textMetrics(t);
2550 TextMetrics & BufferView::textMetrics(Text const * t)
2553 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2554 if (tmc_it == d->text_metrics_.end()) {
2555 tmc_it = d->text_metrics_.emplace(std::piecewise_construct,
2556 std::forward_as_tuple(t),
2557 std::forward_as_tuple(this, const_cast<Text *>(t))).first;
2559 return tmc_it->second;
2563 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2566 return textMetrics(t).parMetrics(pit);
2570 int BufferView::workHeight() const
2576 void BufferView::setCursor(DocIterator const & dit)
2579 size_t const n = dit.depth();
2580 for (size_t i = 0; i < n; ++i)
2581 dit[i].inset().edit(d->cursor_, true);
2583 d->cursor_.setCursor(dit);
2584 d->cursor_.selection(false);
2585 d->cursor_.setCurrentFont();
2587 // It seems on general grounds as if this is probably needed, but
2588 // it is not yet clear.
2589 // See bug #7394 and r38388.
2590 // d->cursor.resetAnchor();
2594 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2596 size_t const n = dit.depth();
2597 for (size_t i = 0; i < n; ++i)
2598 dit[i].inset().edit(d->cursor_, true);
2600 d->cursor_.selection(true);
2601 d->cursor_.setCursorSelectionTo(dit);
2602 d->cursor_.setCurrentFont();
2606 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2608 // Would be wrong to delete anything if we have a selection.
2609 if (cur.selection())
2612 bool need_anchor_change = false;
2613 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2614 need_anchor_change);
2616 if (need_anchor_change)
2624 // we would rather not do this here, but it needs to be done before
2625 // the changed() signal is sent.
2626 buffer_.updateBuffer();
2628 buffer_.changed(true);
2633 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2635 LASSERT(&cur.bv() == this, return false);
2638 // this event will clear selection so we save selection for
2639 // persistent selection
2640 cap::saveSelection(cursor());
2642 d->cursor_.macroModeClose();
2643 // If a macro has been finalized, the cursor might have been broken
2646 // Has the cursor just left the inset?
2647 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2649 d->cursor_.fixIfBroken();
2651 // do the dEPM magic if needed
2652 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2653 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2654 // the leftinset bool would not be necessary (badcursor instead).
2655 bool update = leftinset;
2658 d->cursor_.setSelection();
2659 d->cursor_.setCursorSelectionTo(cur);
2661 if (d->cursor_.inTexted())
2662 update |= checkDepm(cur, d->cursor_);
2663 d->cursor_.resetAnchor();
2664 d->cursor_.setCursor(cur);
2665 d->cursor_.clearSelection();
2667 d->cursor_.boundary(cur.boundary());
2668 d->cursor_.finishUndo();
2669 d->cursor_.setCurrentFont();
2671 cur.forceBufferUpdate();
2676 void BufferView::putSelectionAt(DocIterator const & cur,
2677 int length, bool backwards)
2679 d->cursor_.clearSelection();
2685 d->cursor_.pos() += length;
2686 d->cursor_.setSelection(d->cursor_, -length);
2688 d->cursor_.setSelection(d->cursor_, length);
2693 bool BufferView::selectIfEmpty(DocIterator & cur)
2695 if ((cur.inTexted() && !cur.paragraph().empty())
2696 || (cur.inMathed() && !cur.cell().empty()))
2699 pit_type const beg_pit = cur.pit();
2701 // The paragraph associated to this item isn't
2702 // the first one, so it can be selected
2705 // We have to resort to select the space between the
2706 // end of this item and the begin of the next one
2710 // If it is the only item in the document,
2711 // nothing can be selected
2714 pit_type const end_pit = cur.pit();
2715 pos_type const end_pos = cur.pos();
2716 d->cursor_.clearSelection();
2718 d->cursor_.setCursor(cur);
2719 d->cursor_.pit() = beg_pit;
2720 d->cursor_.pos() = 0;
2721 d->cursor_.selection(false);
2722 d->cursor_.resetAnchor();
2723 d->cursor_.pit() = end_pit;
2724 d->cursor_.pos() = end_pos;
2725 d->cursor_.setSelection();
2730 Cursor & BufferView::cursor()
2736 Cursor const & BufferView::cursor() const
2742 bool BufferView::singleParUpdate()
2744 Text & buftext = buffer_.text();
2745 pit_type const bottom_pit = d->cursor_.bottom().pit();
2746 TextMetrics & tm = textMetrics(&buftext);
2747 int old_height = tm.parMetrics(bottom_pit).height();
2749 // make sure inline completion pointer is ok
2750 if (d->inlineCompletionPos_.fixIfBroken())
2751 d->inlineCompletionPos_ = DocIterator();
2753 // In Single Paragraph mode, rebreak only
2754 // the (main text, not inset!) paragraph containing the cursor.
2755 // (if this paragraph contains insets etc., rebreaking will
2756 // recursively descend)
2757 tm.redoParagraph(bottom_pit);
2758 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2759 if (pm.height() != old_height)
2760 // Paragraph height has changed so we cannot proceed to
2761 // the singlePar optimisation.
2764 tm.updatePosCache(bottom_pit);
2766 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2767 << " y2: " << pm.position() + pm.descent()
2768 << " pit: " << bottom_pit
2769 << " singlepar: 1");
2774 void BufferView::updateMetrics()
2776 updateMetrics(d->update_flags_);
2777 d->update_strategy_ = FullScreenUpdate;
2781 void BufferView::updateMetrics(Update::flags & update_flags)
2783 if (height_ == 0 || width_ == 0)
2786 Text & buftext = buffer_.text();
2787 pit_type const npit = int(buftext.paragraphs().size());
2789 // Clear out the position cache in case of full screen redraw,
2790 d->coord_cache_.clear();
2791 d->math_rows_.clear();
2793 // Clear out paragraph metrics to avoid having invalid metrics
2794 // in the cache from paragraphs not relayouted below
2795 // The complete text metrics will be redone.
2796 d->text_metrics_.clear();
2798 TextMetrics & tm = textMetrics(&buftext);
2800 // make sure inline completion pointer is ok
2801 if (d->inlineCompletionPos_.fixIfBroken())
2802 d->inlineCompletionPos_ = DocIterator();
2804 if (d->anchor_pit_ >= npit)
2805 // The anchor pit must have been deleted...
2806 d->anchor_pit_ = npit - 1;
2808 // Rebreak anchor paragraph.
2809 tm.redoParagraph(d->anchor_pit_);
2810 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2813 if (d->anchor_pit_ == 0) {
2814 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2816 // Complete buffer visible? Then it's easy.
2817 if (scrollRange == 0)
2818 d->anchor_ypos_ = anchor_pm.ascent();
2820 // avoid empty space above the first row
2821 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2824 anchor_pm.setPosition(d->anchor_ypos_);
2825 tm.updatePosCache(d->anchor_pit_);
2827 LYXERR(Debug::PAINTING, "metrics: "
2828 << " anchor pit = " << d->anchor_pit_
2829 << " anchor ypos = " << d->anchor_ypos_);
2831 // Redo paragraphs above anchor if necessary.
2832 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2833 // We are now just above the anchor paragraph.
2834 pit_type pit1 = d->anchor_pit_ - 1;
2835 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2836 tm.redoParagraph(pit1);
2837 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2839 // Save the paragraph position in the cache.
2841 tm.updatePosCache(pit1);
2845 // Redo paragraphs below the anchor if necessary.
2846 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2847 // We are now just below the anchor paragraph.
2848 pit_type pit2 = d->anchor_pit_ + 1;
2849 for (; pit2 < npit && y2 <= height_; ++pit2) {
2850 tm.redoParagraph(pit2);
2851 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2853 // Save the paragraph position in the cache.
2855 tm.updatePosCache(pit2);
2859 LYXERR(Debug::PAINTING, "Metrics: "
2860 << " anchor pit = " << d->anchor_pit_
2861 << " anchor ypos = " << d->anchor_ypos_
2864 << " pit1 = " << pit1
2865 << " pit2 = " << pit2);
2867 // metrics is done, full drawing is necessary now
2868 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2870 // Now update the positions of insets in the cache.
2873 if (lyxerr.debugging(Debug::WORKAREA)) {
2874 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2875 d->coord_cache_.dump();
2880 void BufferView::updatePosCache()
2882 // this is the "nodraw" drawing stage: only set the positions of the
2883 // insets in metrics cache.
2884 frontend::NullPainter np;
2889 void BufferView::insertLyXFile(FileName const & fname, bool const ignorelang)
2891 LASSERT(d->cursor_.inTexted(), return);
2893 // Get absolute path of file and add ".lyx"
2894 // to the filename if necessary
2895 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2897 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2898 // emit message signal.
2899 message(bformat(_("Inserting document %1$s..."), disp_fn));
2902 Buffer buf(filename.absFileName(), false);
2903 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2904 ErrorList & el = buffer_.errorList("Parse");
2905 // Copy the inserted document error list into the current buffer one.
2906 el = buf.errorList("Parse");
2907 ParagraphList & pars = buf.paragraphs();
2909 // set main language of imported file to context language
2910 buf.changeLanguage(buf.language(), d->cursor_.getFont().language());
2911 buffer_.undo().recordUndo(d->cursor_);
2912 cap::pasteParagraphList(d->cursor_, pars,
2913 buf.params().documentClassPtr(), el);
2914 res = _("Document %1$s inserted.");
2916 res = _("Could not insert document %1$s");
2919 buffer_.changed(true);
2920 // emit message signal.
2921 message(bformat(res, disp_fn));
2925 Point BufferView::coordOffset(DocIterator const & dit) const
2931 // Addup contribution of nested insets, from inside to outside,
2932 // keeping the outer paragraph for a special handling below
2933 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2934 CursorSlice const & sl = dit[i];
2938 // get relative position inside sl.inset()
2939 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2941 // Make relative position inside of the edited inset relative to sl.inset()
2945 // In case of an RTL inset, the edited inset will be positioned to the left
2948 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2949 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2954 // remember width for the case that sl.inset() is positioned in an RTL inset
2955 lastw = sl.inset().dimension(*this).wid;
2957 //lyxerr << "Cursor::getPos, i: "
2958 // << i << " x: " << xx << " y: " << y << endl;
2961 // Add contribution of initial rows of outermost paragraph
2962 CursorSlice const & sl = dit[0];
2963 TextMetrics const & tm = textMetrics(sl.text());
2964 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2966 LBUFERR(!pm.rows().empty());
2967 y -= pm.rows()[0].ascent();
2969 // FIXME: document this mess
2971 if (sl.pos() > 0 && dit.depth() == 1) {
2973 if (pos && dit.boundary())
2975 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2976 rend = pm.pos2row(pos);
2978 rend = pm.pos2row(sl.pos());
2980 size_t rend = pm.pos2row(sl.pos());
2982 for (size_t rit = 0; rit != rend; ++rit)
2983 y += pm.rows()[rit].height();
2984 y += pm.rows()[rend].ascent();
2986 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2988 // Make relative position from the nested inset now bufferview absolute.
2989 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2992 // In the RTL case place the nested inset at the left of the cursor in
2993 // the outer paragraph
2994 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2995 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
3003 Point BufferView::getPos(DocIterator const & dit) const
3005 if (!paragraphVisible(dit))
3006 return Point(-1, -1);
3008 CursorSlice const & bot = dit.bottom();
3009 TextMetrics const & tm = textMetrics(bot.text());
3011 // offset from outer paragraph
3012 Point p = coordOffset(dit);
3013 p.y_ += tm.parMetrics(bot.pit()).position();
3018 bool BufferView::paragraphVisible(DocIterator const & dit) const
3020 CursorSlice const & bot = dit.bottom();
3021 TextMetrics const & tm = textMetrics(bot.text());
3023 return tm.contains(bot.pit());
3027 void BufferView::caretPosAndHeight(Point & p, int & h) const
3030 Cursor const & cur = cursor();
3031 if (cur.inMathed()) {
3032 MathRow const & mrow = mathRow(&cur.cell());
3033 asc = mrow.caret_ascent;
3034 des = mrow.caret_descent;
3036 Font const font = cur.real_current_font;
3037 frontend::FontMetrics const & fm = theFontMetrics(font);
3038 asc = fm.maxAscent();
3039 des = fm.maxDescent();
3047 bool BufferView::cursorInView(Point const & p, int h) const
3049 Cursor const & cur = cursor();
3050 // does the cursor touch the screen ?
3051 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3057 int BufferView::horizScrollOffset() const
3059 return d->horiz_scroll_offset_;
3063 int BufferView::horizScrollOffset(Text const * text,
3064 pit_type pit, pos_type pos) const
3066 // Is this a row that is currently scrolled?
3067 if (!d->current_row_slice_.empty()
3068 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3069 && pit == d->current_row_slice_.pit()
3070 && pos == d->current_row_slice_.pos())
3071 return d->horiz_scroll_offset_;
3076 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3078 // nothing to do if the cursor was already on this row
3079 if (d->current_row_slice_ == rowSlice)
3082 // if the (previous) current row was scrolled, we have to
3083 // remember it in order to repaint it next time.
3084 if (d->horiz_scroll_offset_ != 0) {
3085 // search the old row in cache and mark it changed
3086 for (auto & tm_pair : d->text_metrics_) {
3087 if (&tm_pair.first->inset() == rowSlice.inset().asInsetText()) {
3088 tm_pair.second.setRowChanged(rowSlice.pit(), rowSlice.pos());
3089 // We found it, no need to continue.
3095 // Since we changed row, the scroll offset is not valid anymore
3096 d->horiz_scroll_offset_ = 0;
3097 d->current_row_slice_ = rowSlice;
3101 void BufferView::checkCursorScrollOffset()
3103 CursorSlice rowSlice = d->cursor_.bottom();
3104 TextMetrics const & tm = textMetrics(rowSlice.text());
3106 // Stop if metrics have not been computed yet, since it means
3107 // that there is nothing to do.
3108 if (!tm.contains(rowSlice.pit()))
3110 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3111 Row const & row = pm.getRow(rowSlice.pos(),
3112 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3113 rowSlice.pos() = row.pos();
3115 // Set the row on which the cursor lives.
3116 setCurrentRowSlice(rowSlice);
3118 // Current x position of the cursor in pixels
3119 int cur_x = getPos(d->cursor_).x_;
3121 // Horizontal scroll offset of the cursor row in pixels
3122 int offset = d->horiz_scroll_offset_;
3123 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3125 if (row.right_x() <= workWidth() - row.right_margin) {
3126 // Row is narrower than the work area, no offset needed.
3129 if (cur_x - offset < MARGIN) {
3130 // cursor would be too far right
3131 offset = cur_x - MARGIN;
3132 } else if (cur_x - offset > workWidth() - MARGIN) {
3133 // cursor would be too far left
3134 offset = cur_x - workWidth() + MARGIN;
3136 // Correct the offset to make sure that we do not scroll too much
3139 if (row.right_x() - offset < workWidth() - row.right_margin)
3140 offset = row.right_x() - workWidth() + row.right_margin;
3143 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3145 if (offset != d->horiz_scroll_offset_)
3146 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3147 << d->horiz_scroll_offset_ << " to " << offset);
3149 if (d->update_strategy_ == NoScreenUpdate
3150 && offset != d->horiz_scroll_offset_) {
3151 // FIXME: if one uses SingleParUpdate, then home/end
3152 // will not work on long rows. Why?
3153 d->update_strategy_ = FullScreenUpdate;
3156 d->horiz_scroll_offset_ = offset;
3160 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3162 if (height_ == 0 || width_ == 0)
3164 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3165 : "\t\t*** START DRAWING ***"));
3166 Text & text = buffer_.text();
3167 TextMetrics const & tm = d->text_metrics_[&text];
3168 int const y = tm.first().second->position();
3169 PainterInfo pi(this, pain);
3171 // Check whether the row where the cursor lives needs to be scrolled.
3172 // Update the drawing strategy if needed.
3173 checkCursorScrollOffset();
3175 switch (d->update_strategy_) {
3177 case NoScreenUpdate:
3178 // no screen painting is actually needed. In nodraw stage
3179 // however, the different coordinates of insets and paragraphs
3180 // needs to be updated.
3181 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3182 pi.full_repaint = false;
3183 if (pain.isNull()) {
3184 pi.full_repaint = true;
3187 pi.full_repaint = false;
3192 case SingleParUpdate:
3193 pi.full_repaint = false;
3194 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3195 // In general, only the current row of the outermost paragraph
3196 // will be redrawn. Particular cases where selection spans
3197 // multiple paragraph are correctly detected in TextMetrics.
3201 case DecorationUpdate:
3202 // FIXME: We should also distinguish DecorationUpdate to avoid text
3203 // drawing if possible. This is not possible to do easily right now
3204 // because of the single backing pixmap.
3206 case FullScreenUpdate:
3208 LYXERR(Debug::PAINTING,
3209 ((d->update_strategy_ == FullScreenUpdate)
3210 ? "Strategy: FullScreenUpdate"
3211 : "Strategy: DecorationUpdate"));
3213 // The whole screen, including insets, will be refreshed.
3214 pi.full_repaint = true;
3216 // Clear background.
3217 pain.fillRectangle(0, 0, width_, height_,
3218 pi.backgroundColor(&buffer_.inset()));
3223 // and possibly grey out below
3224 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3225 int const y2 = lastpm.second->position() + lastpm.second->descent();
3228 Color color = buffer().isInternal()
3229 ? Color_background : Color_bottomarea;
3230 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3234 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3235 : "\t\t *** END DRAWING ***"));
3237 // The scrollbar needs an update.
3240 // Normalize anchor for next time
3241 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3242 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3243 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3244 ParagraphMetrics const & pm = tm.parMetrics(pit);
3245 if (pm.position() + pm.descent() > 0) {
3246 if (d->anchor_pit_ != pit
3247 || d->anchor_ypos_ != pm.position())
3248 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3249 << " anchor ypos = " << d->anchor_ypos_);
3250 d->anchor_pit_ = pit;
3251 d->anchor_ypos_ = pm.position();
3255 if (!pain.isNull()) {
3256 // reset the update flags, everything has been done
3257 d->update_flags_ = Update::None;
3260 // If a caret has to be painted, mark its text row as dirty to
3261 //make sure that it will be repainted on next redraw.
3262 /* FIXME: investigate whether this can be avoided when the cursor did not
3266 Row const & caret_row = d->cursor_.textRow();
3267 caret_row.changed(true);
3272 void BufferView::message(docstring const & msg)
3275 d->gui_->message(msg);
3279 void BufferView::showDialog(string const & name)
3282 d->gui_->showDialog(name, string());
3286 void BufferView::showDialog(string const & name,
3287 string const & data, Inset * inset)
3290 d->gui_->showDialog(name, data, inset);
3294 void BufferView::updateDialog(string const & name, string const & data)
3297 d->gui_->updateDialog(name, data);
3301 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3307 // FIXME: Move this out of BufferView again
3308 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3310 if (!fname.isReadableFile()) {
3311 docstring const error = from_ascii(strerror(errno));
3312 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3313 docstring const text =
3314 bformat(_("Could not read the specified document\n"
3315 "%1$s\ndue to the error: %2$s"), file, error);
3316 Alert::error(_("Could not read file"), text);
3320 if (!fname.isReadableFile()) {
3321 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3322 docstring const text =
3323 bformat(_("%1$s\n is not readable."), file);
3324 Alert::error(_("Could not open file"), text);
3328 // FIXME UNICODE: We don't know the encoding of the file
3329 docstring file_content = fname.fileContents("UTF-8");
3330 if (file_content.empty()) {
3331 Alert::error(_("Reading not UTF-8 encoded file"),
3332 _("The file is not UTF-8 encoded.\n"
3333 "It will be read as local 8Bit-encoded.\n"
3334 "If this does not give the correct result\n"
3335 "then please change the encoding of the file\n"
3336 "to UTF-8 with a program other than LyX.\n"));
3337 file_content = fname.fileContents("local8bit");
3340 return normalize_c(file_content);
3344 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3346 docstring const tmpstr = contentsOfPlaintextFile(f);
3351 Cursor & cur = cursor();
3352 cap::replaceSelection(cur);
3353 buffer_.undo().recordUndo(cur);
3355 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3357 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3359 buffer_.changed(true);
3363 docstring const & BufferView::inlineCompletion() const
3365 return d->inlineCompletion_;
3369 size_t const & BufferView::inlineCompletionUniqueChars() const
3371 return d->inlineCompletionUniqueChars_;
3375 DocIterator const & BufferView::inlineCompletionPos() const
3377 return d->inlineCompletionPos_;
3381 void BufferView::resetInlineCompletionPos()
3383 d->inlineCompletionPos_ = DocIterator();
3387 bool samePar(DocIterator const & a, DocIterator const & b)
3389 if (a.empty() && b.empty())
3391 if (a.empty() || b.empty())
3393 if (a.depth() != b.depth())
3395 return &a.innerParagraph() == &b.innerParagraph();
3399 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3400 docstring const & completion, size_t uniqueChars)
3402 uniqueChars = min(completion.size(), uniqueChars);
3403 bool changed = d->inlineCompletion_ != completion
3404 || d->inlineCompletionUniqueChars_ != uniqueChars;
3405 bool singlePar = true;
3406 d->inlineCompletion_ = completion;
3407 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3409 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3412 DocIterator const & old = d->inlineCompletionPos_;
3414 //lyxerr << "inlineCompletionPos changed" << std::endl;
3415 // old or pos are in another paragraph?
3416 if ((!samePar(cur, pos) && !pos.empty())
3417 || (!samePar(cur, old) && !old.empty())) {
3419 //lyxerr << "different paragraph" << std::endl;
3421 d->inlineCompletionPos_ = pos;
3426 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3427 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3429 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3434 bool BufferView::clickableInset() const
3436 return d->clickable_inset_;