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 /// Estimated average par height for scrollbar.
258 /// this is used to handle XSelection events in the right manner.
267 pit_type anchor_pit_;
271 vector<int> par_height_;
274 DocIterator inlineCompletionPos_;
276 docstring inlineCompletion_;
278 size_t inlineCompletionUniqueChars_;
280 /// keyboard mapping object.
283 /// last visited inset.
284 /** kept to send setMouseHover(false).
285 * Not owned, so don't delete.
287 Inset const * last_inset_;
288 /// are we hovering something that we can click
289 bool clickable_inset_;
291 /// position of the mouse at the time of the last mouse move
292 /// This is used to update the hovering status of inset in
293 /// cases where the buffer is scrolled, but the mouse didn't move.
294 Point mouse_position_cache_;
296 // cache for id of the paragraph which was edited the last time
297 int bookmark_edit_position_;
299 mutable TextMetricsCache text_metrics_;
302 /** Not owned, so don't delete.
304 frontend::GuiBufferViewDelegate * gui_;
306 /// Cache for Find Next
307 FuncRequest search_request_cache_;
310 map<string, Inset *> edited_insets_;
312 /// When the row where the cursor lies is scrolled, this
313 /// contains the scroll offset
314 int horiz_scroll_offset_;
315 /// a slice pointing to the start of the row where the cursor
316 /// is (at last draw time)
317 CursorSlice current_row_slice_;
321 BufferView::BufferView(Buffer & buf)
322 : width_(0), height_(0), full_screen_(false), buffer_(buf),
323 d(new Private(*this))
325 d->xsel_cache_.set = false;
326 d->intl_.initKeyMapper(lyxrc.use_kbmap);
328 d->cursor_.setBuffer(&buf);
329 d->cursor_.push(buffer_.inset());
330 d->cursor_.resetAnchor();
331 d->cursor_.setCurrentFont();
333 buffer_.updatePreviews();
337 BufferView::~BufferView()
339 // current buffer is going to be switched-off, save cursor pos
340 // Ideally, the whole cursor stack should be saved, but session
341 // currently can only handle bottom (whole document) level pit and pos.
342 // That is to say, if a cursor is in a nested inset, it will be
343 // restore to the left of the top level inset.
344 LastFilePosSection::FilePos fp;
345 fp.pit = d->cursor_.bottom().pit();
346 fp.pos = d->cursor_.bottom().pos();
347 theSession().lastFilePos().save(buffer_.fileName(), fp);
350 d->last_inset_->setMouseHover(this, false);
356 int BufferView::rightMargin() const
358 // The value used to be hardcoded to 10
359 int const default_margin = zoomedPixels(10);
360 // The additional test for the case the outliner is opened.
361 if (!full_screen_ || !lyxrc.full_screen_limit
362 || width_ < lyxrc.full_screen_width + 2 * default_margin)
363 return default_margin;
365 return (width_ - lyxrc.full_screen_width) / 2;
369 int BufferView::leftMargin() const
371 return rightMargin();
375 int BufferView::inPixels(Length const & len) const
377 Font const font = buffer().params().getFont();
378 return len.inPixels(workWidth(), theFontMetrics(font).em());
382 int BufferView::zoomedPixels(int pix) const
384 // FIXME: the dpi setting should really depend on the BufferView
385 // (think different monitors).
387 // Zoom factor specified by user in percent
388 double const zoom = lyxrc.currentZoom / 100.0; // [percent]
390 // DPI setting for monitor relative to 100dpi
391 double const dpizoom = lyxrc.dpi / 100.0; // [per 100dpi]
393 return support::iround(pix * zoom * dpizoom);
397 bool BufferView::isTopScreen() const
399 return 0 == d->scrollbarParameters_.min;
403 bool BufferView::isBottomScreen() const
405 return 0 == d->scrollbarParameters_.max;
409 Intl & BufferView::getIntl()
415 Intl const & BufferView::getIntl() const
421 CoordCache & BufferView::coordCache()
423 return d->coord_cache_;
427 CoordCache const & BufferView::coordCache() const
429 return d->coord_cache_;
433 Buffer & BufferView::buffer()
439 Buffer const & BufferView::buffer() const
445 bool BufferView::needsFitCursor() const
447 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
448 frontend::FontMetrics const & fm =
449 theFontMetrics(d->cursor_.getFont().fontInfo());
450 int const asc = fm.maxAscent();
451 int const des = fm.maxDescent();
452 Point const p = getPos(d->cursor_);
453 if (p.y_ - asc >= 0 && p.y_ + des < height_)
462 // this is for debugging only.
463 string flagsAsString(Update::flags flags)
465 if (flags == Update::None)
467 return string((flags & Update::FitCursor) ? "FitCursor " : "")
468 + ((flags & Update::Force) ? "Force " : "")
469 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
470 + ((flags & Update::SinglePar) ? "SinglePar " : "")
471 + ((flags & Update::Decoration) ? "Decoration " : "");
476 void BufferView::processUpdateFlags(Update::flags flags)
478 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
479 << flagsAsString(flags) << ") buffer: " << &buffer_);
481 // Case when no explicit update is requested.
482 if (flags == Update::None)
485 /* FIXME We would like to avoid doing this here, since it is very
486 * expensive and is called in updateBuffer already. However, even
487 * inserting a plain character can invalidate the overly fragile
488 * tables of child documents built by updateMacros. Some work is
489 * needed to avoid doing that when not necessary.
491 buffer_.updateMacros();
493 // First check whether the metrics and inset positions should be updated
494 if (flags & Update::Force) {
495 // This will update the CoordCache items and replace Force
496 // with ForceDraw in flags.
497 updateMetrics(flags);
500 // Detect whether we can only repaint a single paragraph (if we
501 // are not already redrawing all).
502 // We handle this before FitCursor because the later will require
503 // correct metrics at cursor position.
504 if (!(flags & Update::ForceDraw)
505 && (flags & Update::SinglePar)
506 && !singleParUpdate())
507 updateMetrics(flags);
509 // Then make sure that the screen contains the cursor if needed
510 if (flags & Update::FitCursor) {
511 if (needsFitCursor()) {
512 scrollToCursor(d->cursor_, false);
513 // Metrics have to be recomputed (maybe again)
514 updateMetrics(flags);
516 flags = flags & ~Update::FitCursor;
519 // Add flags to the the update flags. These will be reset to None
520 // after the redraw is actually done
521 d->update_flags_ = d->update_flags_ | flags;
522 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
524 // Now compute the update strategy
525 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
526 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
527 | Update::Decoration | Update::ForceDraw)) == 0);
529 if (d->update_flags_ & Update::ForceDraw)
530 d->update_strategy_ = FullScreenUpdate;
531 else if (d->update_flags_ & Update::Decoration)
532 d->update_strategy_ = DecorationUpdate;
533 else if (d->update_flags_ & Update::SinglePar)
534 d->update_strategy_ = SingleParUpdate;
536 // no need to redraw anything.
537 d->update_strategy_ = NoScreenUpdate;
540 updateHoveredInset();
543 buffer_.changed(false);
547 void BufferView::updateScrollbar()
549 if (height_ == 0 && width_ == 0)
552 // We prefer fixed size line scrolling.
553 d->scrollbarParameters_.single_step = defaultRowHeight();
554 // We prefer full screen page scrolling.
555 d->scrollbarParameters_.page_step = height_;
557 Text & t = buffer_.text();
558 TextMetrics & tm = d->text_metrics_[&t];
560 LYXERR(Debug::GUI, " Updating scrollbar: height: "
561 << t.paragraphs().size()
562 << " curr par: " << d->cursor_.bottom().pit()
563 << " default height " << defaultRowHeight());
565 size_t const parsize = t.paragraphs().size();
566 if (d->par_height_.size() != parsize) {
567 d->par_height_.clear();
568 // FIXME: We assume a default paragraph height of 2 rows. This
569 // should probably be pondered with the screen width.
570 d->par_height_.resize(parsize, defaultRowHeight() * 2);
573 // Look at paragraph heights on-screen
574 pair<pit_type, ParagraphMetrics const *> first = tm.first();
575 pair<pit_type, ParagraphMetrics const *> last = tm.last();
576 for (pit_type pit = first.first; pit <= last.first; ++pit) {
577 d->par_height_[pit] = tm.parMetrics(pit).height();
578 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
579 << d->par_height_[pit]);
582 int top_pos = first.second->position() - first.second->ascent();
583 int bottom_pos = last.second->position() + last.second->descent();
584 bool first_visible = first.first == 0 && top_pos >= 0;
585 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
586 if (first_visible && last_visible) {
587 d->scrollbarParameters_.min = 0;
588 d->scrollbarParameters_.max = 0;
592 d->scrollbarParameters_.min = top_pos;
593 for (size_t i = 0; i != size_t(first.first); ++i)
594 d->scrollbarParameters_.min -= d->par_height_[i];
595 d->scrollbarParameters_.max = bottom_pos;
596 for (size_t i = last.first + 1; i != parsize; ++i)
597 d->scrollbarParameters_.max += d->par_height_[i];
599 // The reference is the top position so we remove one page.
600 if (lyxrc.scroll_below_document)
601 d->scrollbarParameters_.max -= minVisiblePart();
603 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
605 // 0 must be inside the range as it denotes the current position
606 if (d->scrollbarParameters_.max < 0)
607 d->scrollbarParameters_.max = 0;
608 if (d->scrollbarParameters_.min > 0)
609 d->scrollbarParameters_.min = 0;
613 ScrollbarParameters const & BufferView::scrollbarParameters() const
615 return d->scrollbarParameters_;
619 docstring BufferView::toolTip(int x, int y) const
621 // Get inset under mouse, if there is one.
622 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
624 // No inset, no tooltip...
626 return covering_inset->toolTip(*this, x, y);
630 string BufferView::contextMenu(int x, int y) const
632 //If there is a selection, return the containing inset menu
633 if (d->cursor_.selection())
634 return d->cursor_.inset().contextMenu(*this, x, y);
636 // Get inset under mouse, if there is one.
637 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
639 return covering_inset->contextMenu(*this, x, y);
641 return buffer_.inset().contextMenu(*this, x, y);
646 void BufferView::scrollDocView(int const value, bool update)
648 // The scrollbar values are relative to the top of the screen, therefore the
649 // offset is equal to the target value.
651 // No scrolling at all? No need to redraw anything
655 // If the offset is less than 2 screen height, prefer to scroll instead.
656 if (abs(value) <= 2 * height_) {
657 d->anchor_ypos_ -= value;
658 processUpdateFlags(Update::Force);
662 // cut off at the top
663 if (value <= d->scrollbarParameters_.min) {
664 DocIterator dit = doc_iterator_begin(&buffer_);
665 showCursor(dit, false, update);
666 LYXERR(Debug::SCROLLING, "scroll to top");
670 // cut off at the bottom
671 if (value >= d->scrollbarParameters_.max) {
672 DocIterator dit = doc_iterator_end(&buffer_);
674 showCursor(dit, false, update);
675 LYXERR(Debug::SCROLLING, "scroll to bottom");
679 // find paragraph at target position
680 int par_pos = d->scrollbarParameters_.min;
682 for (; i != int(d->par_height_.size()); ++i) {
683 par_pos += d->par_height_[i];
684 if (par_pos >= value)
688 if (par_pos < value) {
689 // It seems we didn't find the correct pit so stay on the safe side and
691 LYXERR0("scrolling position not found!");
692 scrollDocView(d->scrollbarParameters_.max, update);
696 DocIterator dit = doc_iterator_begin(&buffer_);
698 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
699 showCursor(dit, false, update);
703 // FIXME: this method is not working well.
704 void BufferView::setCursorFromScrollbar()
706 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
708 int const height = 2 * defaultRowHeight();
709 int const first = height;
710 int const last = height_ - height;
712 Cursor const & oldcur = d->cursor_;
714 switch (cursorStatus(oldcur)) {
722 int const y = getPos(oldcur).y_;
723 newy = min(last, max(y, first));
727 // We reset the cursor because cursorStatus() does not
728 // work when the cursor is within mathed.
731 tm.setCursorFromCoordinates(cur, 0, newy);
733 // update the bufferview cursor and notify insets
734 // FIXME: Care about the d->cursor_ flags to redraw if needed
735 Cursor old = d->cursor_;
737 // the DEPM call in mouseSetCursor() might have destroyed the
738 // paragraph the cursor is in.
739 bool badcursor = old.fixIfBroken();
740 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
742 d->cursor_.fixIfBroken();
746 Change const BufferView::getCurrentChange() const
748 if (!d->cursor_.selection())
749 return Change(Change::UNCHANGED);
751 DocIterator dit = d->cursor_.selectionBegin();
752 // The selected content might have been changed (see #7685)
753 dit = dit.getInnerText();
754 return dit.paragraph().lookupChange(dit.pos());
758 // this could be used elsewhere as well?
759 // FIXME: This does not work within mathed!
760 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
762 Point const p = getPos(dit);
765 if (p.y_ > workHeight())
771 void BufferView::bookmarkEditPosition()
773 // Don't eat cpu time for each keystroke
774 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
777 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
781 void BufferView::saveBookmark(unsigned int idx)
783 // tentatively save bookmark, id and pos will be used to
784 // acturately locate a bookmark in a 'live' lyx session.
785 // pit and pos will be updated with bottom level pit/pos
787 if (!buffer_.isInternal()) {
788 theSession().bookmarks().save(
790 d->cursor_.bottom().pit(),
791 d->cursor_.bottom().pos(),
792 d->cursor_.paragraph().id(),
797 // emit message signal.
798 message(_("Save bookmark"));
803 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
804 int top_id, pos_type top_pos)
806 bool success = false;
809 d->cursor_.clearSelection();
811 // if a valid par_id is given, try it first
812 // This is the case for a 'live' bookmark when unique paragraph ID
813 // is used to track bookmarks.
815 dit = buffer_.getParFromID(top_id);
817 dit.pos() = min(dit.paragraph().size(), top_pos);
818 // Some slices of the iterator may not be
819 // reachable (e.g. closed collapsible inset)
820 // so the dociterator may need to be
821 // shortened. Otherwise, setCursor may crash
822 // lyx when the cursor can not be set to these
824 size_t const n = dit.depth();
825 for (size_t i = 0; i < n; ++i)
826 if (!dit[i].inset().editable()) {
834 // if top_id == 0, or searching through top_id failed
835 // This is the case for a 'restored' bookmark when only bottom
836 // (document level) pit was saved. Because of this, bookmark
837 // restoration is inaccurate. If a bookmark was within an inset,
838 // it will be restored to the left of the outmost inset that contains
840 if (bottom_pit < int(buffer_.paragraphs().size())) {
841 dit = doc_iterator_begin(&buffer_);
843 dit.pit() = bottom_pit;
844 dit.pos() = min(bottom_pos, dit.paragraph().size());
849 // Note: only bottom (document) level pit is set.
851 // set the current font.
852 d->cursor_.setCurrentFont();
853 // Do not forget to reset the anchor (see #9912)
854 d->cursor_.resetAnchor();
855 processUpdateFlags(Update::Force | Update::FitCursor);
862 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
864 if (d->cursor_.real_current_font.isRightToLeft()) {
865 if (d->intl_.keymap == Intl::PRIMARY)
866 d->intl_.keyMapSec();
868 if (d->intl_.keymap == Intl::SECONDARY)
869 d->intl_.keyMapPrim();
872 d->intl_.getTransManager().translateAndInsert(c, t, cur);
876 int BufferView::workWidth() const
882 void BufferView::recenter()
884 showCursor(d->cursor_, true, true);
888 void BufferView::showCursor()
890 showCursor(d->cursor_, false, true);
894 void BufferView::showCursor(DocIterator const & dit,
895 bool recenter, bool update)
897 if (scrollToCursor(dit, recenter) && update)
898 processUpdateFlags(Update::Force);
902 void BufferView::scrollToCursor()
904 if (scrollToCursor(d->cursor_, false))
905 processUpdateFlags(Update::Force);
909 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
911 // We are not properly started yet, delay until resizing is
916 LYXERR(Debug::SCROLLING, "recentering!");
918 CursorSlice const & bot = dit.bottom();
919 TextMetrics & tm = d->text_metrics_[bot.text()];
921 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
922 int bot_pit = bot.pit();
923 if (bot_pit > max_pit) {
924 // FIXME: Why does this happen?
925 LYXERR0("bottom pit is greater that max pit: "
926 << bot_pit << " > " << max_pit);
930 if (bot_pit == tm.first().first - 1)
931 tm.newParMetricsUp();
932 else if (bot_pit == tm.last().first + 1)
933 tm.newParMetricsDown();
935 if (tm.contains(bot_pit)) {
936 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
937 LBUFERR(!pm.rows().empty());
938 // FIXME: smooth scrolling doesn't work in mathed.
939 CursorSlice const & cs = dit.innerTextSlice();
940 int offset = coordOffset(dit).y_;
941 int ypos = pm.position() + offset;
942 Dimension const & row_dim =
943 pm.getRow(cs.pos(), dit.boundary()).dim();
946 scrolled = scroll(ypos - height_/2);
948 // We try to visualize the whole row, if the row height is larger than
949 // the screen height, we scroll to a heuristic value of height_ / 4.
950 // FIXME: This heuristic value should be replaced by a recursive search
951 // for a row in the inset that can be visualized completely.
952 else if (row_dim.height() > height_) {
953 if (ypos < defaultRowHeight())
954 scrolled = scroll(ypos - height_ / 4);
955 else if (ypos > height_ - defaultRowHeight())
956 scrolled = scroll(ypos - 3 * height_ / 4);
959 // If the top part of the row falls of the screen, we scroll
960 // up to align the top of the row with the top of the screen.
961 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
962 int ynew = row_dim.ascent();
963 scrolled = scrollUp(ynew - ypos);
966 // If the bottom of the row falls of the screen, we scroll down.
967 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
968 int ynew = height_ - row_dim.descent();
969 scrolled = scrollDown(ypos - ynew);
972 // else, nothing to do, the cursor is already visible so we just return.
973 return scrolled != 0;
976 // fix inline completion position
977 if (d->inlineCompletionPos_.fixIfBroken())
978 d->inlineCompletionPos_ = DocIterator();
980 tm.redoParagraph(bot_pit);
981 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
982 int offset = coordOffset(dit).y_;
984 d->anchor_pit_ = bot_pit;
985 CursorSlice const & cs = dit.innerTextSlice();
986 Dimension const & row_dim =
987 pm.getRow(cs.pos(), dit.boundary()).dim();
990 d->anchor_ypos_ = height_/2;
991 else if (d->anchor_pit_ == 0)
992 d->anchor_ypos_ = offset + pm.ascent();
993 else if (d->anchor_pit_ == max_pit)
994 d->anchor_ypos_ = height_ - offset - row_dim.descent();
995 else if (offset > height_)
996 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
998 d->anchor_ypos_ = defaultRowHeight() * 2;
1004 void BufferView::makeDocumentClass()
1006 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1007 buffer_.params().makeDocumentClass();
1008 updateDocumentClass(olddc);
1012 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1014 message(_("Converting document to new document class..."));
1016 StableDocIterator backcur(d->cursor_);
1017 ErrorList & el = buffer_.errorList("Class Switch");
1018 cap::switchBetweenClasses(
1019 olddc, buffer_.params().documentClassPtr(),
1020 static_cast<InsetText &>(buffer_.inset()), el);
1022 setCursor(backcur.asDocIterator(&buffer_));
1024 buffer_.errors("Class Switch");
1028 /** Return the change status at cursor position, taking into account the
1029 * status at each level of the document iterator (a table in a deleted
1030 * footnote is deleted).
1031 * When \param outer is true, the top slice is not looked at.
1033 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1035 size_t const depth = dit.depth() - (outer ? 1 : 0);
1037 for (size_t i = 0 ; i < depth ; ++i) {
1038 CursorSlice const & slice = dit[i];
1039 if (!slice.inset().inMathed()
1040 && slice.pos() < slice.paragraph().size()) {
1041 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1042 if (ch != Change::UNCHANGED)
1046 return Change::UNCHANGED;
1050 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1052 FuncCode const act = cmd.action();
1054 // Can we use a readonly buffer?
1055 if (buffer_.isReadonly()
1056 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1057 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1058 if (buffer_.hasReadonlyFlag())
1059 flag.message(from_utf8(N_("Document is read-only")));
1061 flag.message(from_utf8(N_("Document has been modified externally")));
1062 flag.setEnabled(false);
1066 // Are we in a DELETED change-tracking region?
1067 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1068 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1069 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1070 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1071 flag.setEnabled(false);
1075 Cursor & cur = d->cursor_;
1077 if (cur.getStatus(cmd, flag))
1082 // FIXME: This is a bit problematic because we don't check if this is
1083 // a document BufferView or not for these LFUNs. We probably have to
1084 // dispatch both to currentBufferView() and, if that fails,
1085 // to documentBufferView(); same as we do now for current Buffer and
1086 // document Buffer. Ideally those LFUN should go to Buffer as they
1087 // operate on the full Buffer and the cursor is only needed either for
1088 // an Undo record or to restore a cursor position. But we don't know
1089 // how to do that inside Buffer of course.
1090 case LFUN_BUFFER_PARAMS_APPLY:
1091 case LFUN_LAYOUT_MODULES_CLEAR:
1092 case LFUN_LAYOUT_MODULE_ADD:
1093 case LFUN_LAYOUT_RELOAD:
1094 case LFUN_TEXTCLASS_APPLY:
1095 case LFUN_TEXTCLASS_LOAD:
1096 flag.setEnabled(!buffer_.isReadonly());
1100 // We do not use the LyXAction flag for readonly because Undo sets the
1101 // buffer clean/dirty status by itself.
1102 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1105 // We do not use the LyXAction flag for readonly because Redo sets the
1106 // buffer clean/dirty status by itself.
1107 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1109 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1110 case LFUN_FILE_INSERT_PLAINTEXT: {
1111 docstring const fname = cmd.argument();
1112 if (!FileName::isAbsolute(to_utf8(fname))) {
1113 flag.message(_("Absolute filename expected."));
1116 flag.setEnabled(cur.inTexted());
1119 case LFUN_FILE_INSERT:
1120 case LFUN_BOOKMARK_SAVE:
1121 // FIXME: Actually, these LFUNS should be moved to Text
1122 flag.setEnabled(cur.inTexted());
1125 case LFUN_FONT_STATE:
1126 case LFUN_LABEL_INSERT:
1127 case LFUN_INFO_INSERT:
1128 case LFUN_PARAGRAPH_GOTO:
1129 case LFUN_NOTE_NEXT:
1130 case LFUN_REFERENCE_NEXT:
1131 case LFUN_WORD_FIND:
1132 case LFUN_WORD_FIND_FORWARD:
1133 case LFUN_WORD_FIND_BACKWARD:
1134 case LFUN_WORD_REPLACE:
1137 case LFUN_MARK_TOGGLE:
1138 case LFUN_SCREEN_RECENTER:
1139 case LFUN_SCREEN_SHOW_CURSOR:
1140 case LFUN_BIBTEX_DATABASE_ADD:
1141 case LFUN_BIBTEX_DATABASE_DEL:
1142 case LFUN_STATISTICS:
1143 case LFUN_KEYMAP_OFF:
1144 case LFUN_KEYMAP_PRIMARY:
1145 case LFUN_KEYMAP_SECONDARY:
1146 case LFUN_KEYMAP_TOGGLE:
1147 case LFUN_INSET_SELECT_ALL:
1148 flag.setEnabled(true);
1151 case LFUN_GRAPHICS_UNIFY:
1152 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1155 case LFUN_WORD_FINDADV: {
1156 FindAndReplaceOptions opt;
1157 istringstream iss(to_utf8(cmd.argument()));
1159 flag.setEnabled(opt.repl_buf_name.empty()
1160 || !buffer_.isReadonly());
1164 case LFUN_LABEL_GOTO:
1165 flag.setEnabled(!cmd.argument().empty()
1166 || getInsetByCode<InsetRef>(cur, REF_CODE));
1169 case LFUN_CHANGES_MERGE:
1170 case LFUN_CHANGE_NEXT:
1171 case LFUN_CHANGE_PREVIOUS:
1172 case LFUN_ALL_CHANGES_ACCEPT:
1173 case LFUN_ALL_CHANGES_REJECT:
1174 flag.setEnabled(buffer_.areChangesPresent());
1177 case LFUN_SCREEN_UP:
1178 case LFUN_SCREEN_DOWN:
1180 case LFUN_SCREEN_UP_SELECT:
1181 case LFUN_SCREEN_DOWN_SELECT:
1182 case LFUN_INSET_FORALL:
1183 flag.setEnabled(true);
1186 case LFUN_LAYOUT_TABULAR:
1187 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1191 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1194 case LFUN_LAYOUT_PARAGRAPH:
1195 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1198 case LFUN_BRANCH_ADD_INSERT:
1199 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1202 case LFUN_DIALOG_SHOW_NEW_INSET:
1203 // FIXME: this is wrong, but I do not understand the
1205 if (cur.inset().lyxCode() == CAPTION_CODE)
1206 return cur.inset().getStatus(cur, cmd, flag);
1207 // FIXME we should consider passthru paragraphs too.
1208 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1211 case LFUN_CITATION_INSERT: {
1212 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1213 // FIXME: This could turn in a recursive hell.
1214 // Shouldn't we use Buffer::getStatus() instead?
1215 flag.setEnabled(lyx::getStatus(fr).enabled());
1218 case LFUN_INSET_APPLY: {
1219 string const name = cmd.getArg(0);
1220 Inset * inset = editedInset(name);
1222 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1223 if (!inset->getStatus(cur, fr, flag)) {
1224 // Every inset is supposed to handle this
1225 LASSERT(false, break);
1228 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1229 flag = lyx::getStatus(fr);
1242 Inset * BufferView::editedInset(string const & name) const
1244 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1245 return it == d->edited_insets_.end() ? 0 : it->second;
1249 void BufferView::editInset(string const & name, Inset * inset)
1252 d->edited_insets_[name] = inset;
1254 d->edited_insets_.erase(name);
1258 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1260 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1262 string const argument = to_utf8(cmd.argument());
1263 Cursor & cur = d->cursor_;
1266 // Don't dispatch function that does not apply to internal buffers.
1267 if (buffer_.isInternal()
1268 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1271 // We'll set this back to false if need be.
1272 bool dispatched = true;
1273 buffer_.undo().beginUndoGroup();
1275 FuncCode const act = cmd.action();
1278 case LFUN_BUFFER_PARAMS_APPLY: {
1279 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1280 cur.recordUndoBufferParams();
1281 istringstream ss(to_utf8(cmd.argument()));
1284 int const unknown_tokens = buffer_.readHeader(lex);
1285 if (unknown_tokens != 0) {
1286 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1287 << unknown_tokens << " unknown token"
1288 << (unknown_tokens == 1 ? "" : "s"));
1290 updateDocumentClass(olddc);
1292 // We are most certainly here because of a change in the document
1293 // It is then better to make sure that all dialogs are in sync with
1294 // current document settings.
1295 dr.screenUpdate(Update::Force | Update::FitCursor);
1296 dr.forceBufferUpdate();
1300 case LFUN_LAYOUT_MODULES_CLEAR: {
1301 // FIXME: this modifies the document in cap::switchBetweenClasses
1302 // without calling recordUndo. Fix this before using
1303 // recordUndoBufferParams().
1304 cur.recordUndoFullBuffer();
1305 buffer_.params().clearLayoutModules();
1306 makeDocumentClass();
1307 dr.screenUpdate(Update::Force);
1308 dr.forceBufferUpdate();
1312 case LFUN_LAYOUT_MODULE_ADD: {
1313 BufferParams const & params = buffer_.params();
1314 if (!params.layoutModuleCanBeAdded(argument)) {
1315 LYXERR0("Module `" << argument <<
1316 "' cannot be added due to failed requirements or "
1317 "conflicts with installed modules.");
1320 // FIXME: this modifies the document in cap::switchBetweenClasses
1321 // without calling recordUndo. Fix this before using
1322 // recordUndoBufferParams().
1323 cur.recordUndoFullBuffer();
1324 buffer_.params().addLayoutModule(argument);
1325 makeDocumentClass();
1326 dr.screenUpdate(Update::Force);
1327 dr.forceBufferUpdate();
1331 case LFUN_TEXTCLASS_APPLY: {
1332 // since this shortcircuits, the second call is made only if
1334 bool const success =
1335 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1336 LayoutFileList::get().load(argument, buffer_.filePath());
1338 docstring s = bformat(_("The document class `%1$s' "
1339 "could not be loaded."), from_utf8(argument));
1340 frontend::Alert::error(_("Could not load class"), s);
1344 LayoutFile const * old_layout = buffer_.params().baseClass();
1345 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1347 if (old_layout == new_layout)
1351 // Save the old, possibly modular, layout for use in conversion.
1352 // FIXME: this modifies the document in cap::switchBetweenClasses
1353 // without calling recordUndo. Fix this before using
1354 // recordUndoBufferParams().
1355 cur.recordUndoFullBuffer();
1356 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1357 makeDocumentClass();
1358 dr.screenUpdate(Update::Force);
1359 dr.forceBufferUpdate();
1363 case LFUN_TEXTCLASS_LOAD: {
1364 // since this shortcircuits, the second call is made only if
1366 bool const success =
1367 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1368 LayoutFileList::get().load(argument, buffer_.filePath());
1370 docstring s = bformat(_("The document class `%1$s' "
1371 "could not be loaded."), from_utf8(argument));
1372 frontend::Alert::error(_("Could not load class"), s);
1377 case LFUN_LAYOUT_RELOAD: {
1378 LayoutFileIndex bc = buffer_.params().baseClassID();
1379 LayoutFileList::get().reset(bc);
1380 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1381 makeDocumentClass();
1382 dr.screenUpdate(Update::Force);
1383 dr.forceBufferUpdate();
1388 dr.setMessage(_("Undo"));
1389 cur.clearSelection();
1390 // We need to find out if the bibliography information
1391 // has changed. See bug #11055.
1392 // So these should not be references...
1393 string const engine = buffer().params().citeEngine();
1394 CiteEngineType const enginetype = buffer().params().citeEngineType();
1395 if (!cur.undoAction())
1396 dr.setMessage(_("No further undo information"));
1398 dr.screenUpdate(Update::Force | Update::FitCursor);
1399 dr.forceBufferUpdate();
1400 if (buffer().params().citeEngine() != engine ||
1401 buffer().params().citeEngineType() != enginetype)
1402 buffer().invalidateCiteLabels();
1408 dr.setMessage(_("Redo"));
1409 cur.clearSelection();
1410 // We need to find out if the bibliography information
1411 // has changed. See bug #11055.
1412 // So these should not be references...
1413 string const engine = buffer().params().citeEngine();
1414 CiteEngineType const enginetype = buffer().params().citeEngineType();
1415 if (!cur.redoAction())
1416 dr.setMessage(_("No further redo information"));
1418 dr.screenUpdate(Update::Force | Update::FitCursor);
1419 dr.forceBufferUpdate();
1420 if (buffer().params().citeEngine() != engine ||
1421 buffer().params().citeEngineType() != enginetype)
1422 buffer().invalidateCiteLabels();
1427 case LFUN_FONT_STATE:
1428 dr.setMessage(cur.currentState(false));
1431 case LFUN_BOOKMARK_SAVE:
1432 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1435 case LFUN_LABEL_GOTO: {
1436 docstring label = cmd.argument();
1437 if (label.empty()) {
1439 getInsetByCode<InsetRef>(cur, REF_CODE);
1441 label = inset->getParam("reference");
1442 // persistent=false: use temp_bookmark
1446 if (!label.empty()) {
1448 // at the moment, this is redundant, since gotoLabel will
1449 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1451 dr.screenUpdate(Update::Force | Update::FitCursor);
1456 case LFUN_PARAGRAPH_GOTO: {
1457 int const id = convert<int>(cmd.getArg(0));
1458 pos_type const pos = convert<int>(cmd.getArg(1));
1461 string const str_id_end = cmd.getArg(2);
1462 string const str_pos_end = cmd.getArg(3);
1464 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1465 b = theBufferList().next(b)) {
1468 curs.setCursor(b->getParFromID(id));
1470 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1474 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1475 << " found in buffer `"
1476 << b->absFileName() << "'.");
1478 if (b == &buffer_) {
1480 if (str_id_end.empty() || str_pos_end.empty()) {
1483 mouseSetCursor(curs);
1486 int const id_end = convert<int>(str_id_end);
1487 pos_type const pos_end = convert<int>(str_pos_end);
1488 success = setCursorFromEntries({id, pos},
1492 dr.screenUpdate(Update::Force | Update::FitCursor);
1494 // Switch to other buffer view and resend cmd
1495 lyx::dispatch(FuncRequest(
1496 LFUN_BUFFER_SWITCH, b->absFileName()));
1504 case LFUN_NOTE_NEXT:
1505 gotoInset(this, NOTE_CODE, false);
1508 case LFUN_REFERENCE_NEXT: {
1509 vector<InsetCode> tmp;
1510 tmp.push_back(LABEL_CODE);
1511 tmp.push_back(REF_CODE);
1512 gotoInset(this, tmp, true);
1516 case LFUN_CHANGE_NEXT:
1517 findNextChange(this);
1518 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1519 dr.screenUpdate(Update::Force | Update::FitCursor);
1522 case LFUN_CHANGE_PREVIOUS:
1523 findPreviousChange(this);
1524 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1525 dr.screenUpdate(Update::Force | Update::FitCursor);
1528 case LFUN_CHANGES_MERGE:
1529 if (findNextChange(this) || findPreviousChange(this)) {
1530 dr.screenUpdate(Update::Force | Update::FitCursor);
1531 dr.forceBufferUpdate();
1532 showDialog("changes");
1536 case LFUN_ALL_CHANGES_ACCEPT:
1537 // select complete document
1539 cur.selHandle(true);
1540 buffer_.text().cursorBottom(cur);
1541 // accept everything in a single step to support atomic undo
1542 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1544 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1545 dr.screenUpdate(Update::Force | Update::FitCursor);
1546 dr.forceBufferUpdate();
1549 case LFUN_ALL_CHANGES_REJECT:
1550 // select complete document
1552 cur.selHandle(true);
1553 buffer_.text().cursorBottom(cur);
1554 // reject everything in a single step to support atomic undo
1555 // Note: reject does not work recursively; the user may have to repeat the operation
1556 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1558 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1559 dr.screenUpdate(Update::Force | Update::FitCursor);
1560 dr.forceBufferUpdate();
1563 case LFUN_WORD_FIND_FORWARD:
1564 case LFUN_WORD_FIND_BACKWARD: {
1566 // Would it maybe be better if this variable were view specific anyway?
1567 static docstring last_search;
1568 docstring searched_string;
1570 if (!cmd.argument().empty()) {
1571 last_search = cmd.argument();
1572 searched_string = cmd.argument();
1574 searched_string = last_search;
1577 if (searched_string.empty())
1580 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1581 docstring const data =
1582 find2string(searched_string, true, false, fw);
1583 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1585 dr.screenUpdate(Update::Force | Update::FitCursor);
1589 case LFUN_WORD_FIND: {
1590 FuncRequest req = cmd;
1591 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1592 req = d->search_request_cache_;
1593 if (req.argument().empty()) {
1594 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1597 if (lyxfind(this, req))
1598 dr.screenUpdate(Update::Force | Update::FitCursor);
1600 d->search_request_cache_ = req;
1604 case LFUN_WORD_REPLACE: {
1605 bool has_deleted = false;
1606 if (cur.selection()) {
1607 DocIterator beg = cur.selectionBegin();
1608 DocIterator end = cur.selectionEnd();
1609 if (beg.pit() == end.pit()) {
1610 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1611 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1618 if (lyxreplace(this, cmd, has_deleted)) {
1619 dr.forceBufferUpdate();
1620 dr.screenUpdate(Update::Force | Update::FitCursor);
1625 case LFUN_WORD_FINDADV: {
1626 FindAndReplaceOptions opt;
1627 istringstream iss(to_utf8(cmd.argument()));
1629 if (findAdv(this, opt)) {
1630 dr.screenUpdate(Update::Force | Update::FitCursor);
1641 cur.clearSelection();
1642 dr.setMessage(from_utf8(N_("Mark off")));
1646 cur.clearSelection();
1648 dr.setMessage(from_utf8(N_("Mark on")));
1651 case LFUN_MARK_TOGGLE:
1652 cur.selection(false);
1655 dr.setMessage(from_utf8(N_("Mark removed")));
1658 dr.setMessage(from_utf8(N_("Mark set")));
1663 case LFUN_SCREEN_SHOW_CURSOR:
1667 case LFUN_SCREEN_RECENTER:
1671 case LFUN_BIBTEX_DATABASE_ADD: {
1672 Cursor tmpcur = cur;
1673 findInset(tmpcur, BIBTEX_CODE, false);
1674 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1677 if (inset->addDatabase(cmd.argument()))
1678 dr.forceBufferUpdate();
1683 case LFUN_BIBTEX_DATABASE_DEL: {
1684 Cursor tmpcur = cur;
1685 findInset(tmpcur, BIBTEX_CODE, false);
1686 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1689 if (inset->delDatabase(cmd.argument()))
1690 dr.forceBufferUpdate();
1695 case LFUN_GRAPHICS_UNIFY: {
1697 cur.recordUndoFullBuffer();
1699 DocIterator from, to;
1700 from = cur.selectionBegin();
1701 to = cur.selectionEnd();
1703 string const newId = cmd.getArg(0);
1704 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1706 InsetGraphicsParams grp_par;
1708 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1710 if (!from.nextInset()) //move to closest inset
1711 from.forwardInset();
1713 while (!from.empty() && from < to) {
1714 Inset * inset = from.nextInset();
1717 InsetGraphics * ig = inset->asInsetGraphics();
1719 InsetGraphicsParams inspar = ig->getParams();
1724 grp_par.filename = inspar.filename;
1725 ig->setParams(grp_par);
1728 from.forwardInset();
1730 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1734 case LFUN_STATISTICS: {
1735 DocIterator from, to;
1736 if (cur.selection()) {
1737 from = cur.selectionBegin();
1738 to = cur.selectionEnd();
1740 from = doc_iterator_begin(&buffer_);
1741 to = doc_iterator_end(&buffer_);
1743 buffer_.updateStatistics(from, to);
1744 int const words = buffer_.wordCount();
1745 int const chars = buffer_.charCount(false);
1746 int const chars_blanks = buffer_.charCount(true);
1748 if (cur.selection())
1749 message = _("Statistics for the selection:");
1751 message = _("Statistics for the document:");
1754 message += bformat(_("%1$d words"), words);
1756 message += _("One word");
1758 if (chars_blanks != 1)
1759 message += bformat(_("%1$d characters (including blanks)"),
1762 message += _("One character (including blanks)");
1765 message += bformat(_("%1$d characters (excluding blanks)"),
1768 message += _("One character (excluding blanks)");
1770 Alert::information(_("Statistics"), message);
1774 case LFUN_SCREEN_UP:
1775 case LFUN_SCREEN_DOWN: {
1776 Point p = getPos(cur);
1777 // This code has been commented out to enable to scroll down a
1778 // document, even if there are large insets in it (see bug #5465).
1779 /*if (p.y_ < 0 || p.y_ > height_) {
1780 // The cursor is off-screen so recenter before proceeding.
1784 int const scrolled = scroll(act == LFUN_SCREEN_UP
1785 ? -height_ : height_);
1786 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1788 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1789 p = Point(width_, height_);
1790 bool const in_texted = cur.inTexted();
1791 cur.setCursor(doc_iterator_begin(cur.buffer()));
1792 cur.selHandle(false);
1793 // Force an immediate computation of metrics because we need it below
1794 processUpdateFlags(Update::Force);
1796 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1797 true, act == LFUN_SCREEN_UP);
1798 //FIXME: what to do with cur.x_target()?
1799 bool update = in_texted && cur.bv().checkDepm(cur, old);
1802 if (update || cur.mark())
1803 dr.screenUpdate(Update::Force | Update::FitCursor);
1805 dr.forceBufferUpdate();
1810 string const scroll_type = cmd.getArg(0);
1811 int scroll_step = 0;
1812 if (scroll_type == "line")
1813 scroll_step = d->scrollbarParameters_.single_step;
1814 else if (scroll_type == "page")
1815 scroll_step = d->scrollbarParameters_.page_step;
1818 string const scroll_quantity = cmd.getArg(1);
1819 if (scroll_quantity == "up")
1820 scrollUp(scroll_step);
1821 else if (scroll_quantity == "down")
1822 scrollDown(scroll_step);
1824 int const scroll_value = convert<int>(scroll_quantity);
1826 scroll(scroll_step * scroll_value);
1828 dr.screenUpdate(Update::ForceDraw);
1829 dr.forceBufferUpdate();
1833 case LFUN_SCREEN_UP_SELECT: {
1834 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1835 cur.selHandle(true);
1836 if (isTopScreen()) {
1837 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1841 int y = getPos(cur).y_;
1842 int const ymin = y - height_ + defaultRowHeight();
1843 while (y > ymin && cur.up())
1847 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1851 case LFUN_SCREEN_DOWN_SELECT: {
1852 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1853 cur.selHandle(true);
1854 if (isBottomScreen()) {
1855 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1859 int y = getPos(cur).y_;
1860 int const ymax = y + height_ - defaultRowHeight();
1861 while (y < ymax && cur.down())
1865 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1870 case LFUN_INSET_SELECT_ALL: {
1871 // true if all cells are selected
1872 bool const all_selected = cur.depth() > 1
1873 && cur.selBegin().at_begin()
1874 && cur.selEnd().at_end();
1875 // true if some cells are selected
1876 bool const cells_selected = cur.depth() > 1
1877 && cur.selBegin().at_cell_begin()
1878 && cur.selEnd().at_cell_end();
1879 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1880 // All the contents of the inset if selected, or only at
1881 // least one cell but inset is not a table.
1882 // Select the inset from outside.
1885 cur.selection(true);
1887 } else if (cells_selected) {
1888 // At least one complete cell is selected and inset is a table.
1894 cur.selection(true);
1895 cur.idx() = cur.lastidx();
1896 cur.pit() = cur.lastpit();
1897 cur.pos() = cur.lastpos();
1899 // select current cell
1903 cur.selection(true);
1904 cur.pit() = cur.lastpit();
1905 cur.pos() = cur.lastpos();
1907 cur.setCurrentFont();
1908 dr.screenUpdate(Update::Force);
1913 case LFUN_UNICODE_INSERT: {
1914 if (cmd.argument().empty())
1917 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1918 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1921 docstring const arg = from_utf8(cmd.getArg(i));
1925 LYXERR0("Not a hexstring: " << arg);
1929 char_type c = hexToInt(arg);
1930 if (c >= 32 && c < 0x10ffff) {
1931 LYXERR(Debug::KEY, "Inserting c: " << c);
1932 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1940 // This would be in Buffer class if only Cursor did not
1941 // require a bufferview
1942 case LFUN_INSET_FORALL: {
1943 docstring const name = from_utf8(cmd.getArg(0));
1944 string const commandstr = cmd.getLongArg(1);
1945 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1947 // an arbitrary number to limit number of iterations
1948 const int max_iter = 100000;
1950 Cursor & curs = d->cursor_;
1951 Cursor const savecur = curs;
1953 if (!curs.nextInset())
1954 curs.forwardInset();
1955 curs.beginUndoGroup();
1956 while(curs && iterations < max_iter) {
1957 Inset * const ins = curs.nextInset();
1960 docstring insname = ins->layoutName();
1961 while (!insname.empty()) {
1962 if (insname == name || name == from_utf8("*")) {
1964 lyx::dispatch(fr, dr);
1968 size_t const i = insname.rfind(':');
1969 if (i == string::npos)
1971 insname = insname.substr(0, i);
1973 // if we did not delete the inset, skip it
1974 if (!curs.nextInset() || curs.nextInset() == ins)
1975 curs.forwardInset();
1979 /** This is a dummy undo record only to remember the cursor
1980 * that has just been set; this will be used on a redo action
1981 * (see ticket #10097)
1983 * FIXME: a better fix would be to have a way to set the
1984 * cursor value directly, but I am not sure it is worth it.
1987 curs.endUndoGroup();
1988 dr.screenUpdate(Update::Force);
1989 dr.forceBufferUpdate();
1991 if (iterations >= max_iter) {
1993 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
1995 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2000 case LFUN_BRANCH_ADD_INSERT: {
2001 docstring branch_name = from_utf8(cmd.getArg(0));
2002 if (branch_name.empty())
2003 if (!Alert::askForText(branch_name, _("Branch name")) ||
2004 branch_name.empty())
2007 DispatchResult drtmp;
2008 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2009 if (drtmp.error()) {
2010 Alert::warning(_("Branch already exists"), drtmp.message());
2013 docstring const sep = buffer_.params().branchlist().separator();
2014 for (docstring const & branch : getVectorFromString(branch_name, sep))
2015 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2019 case LFUN_KEYMAP_OFF:
2020 getIntl().keyMapOn(false);
2023 case LFUN_KEYMAP_PRIMARY:
2024 getIntl().keyMapPrim();
2027 case LFUN_KEYMAP_SECONDARY:
2028 getIntl().keyMapSec();
2031 case LFUN_KEYMAP_TOGGLE:
2032 getIntl().toggleKeyMap();
2035 case LFUN_DIALOG_SHOW_NEW_INSET: {
2036 string const name = cmd.getArg(0);
2037 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2038 if (decodeInsetParam(name, data, buffer_))
2039 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2041 lyxerr << "Inset type '" << name <<
2042 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2046 case LFUN_CITATION_INSERT: {
2047 if (argument.empty()) {
2048 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2051 // we can have one optional argument, delimited by '|'
2052 // citation-insert <key>|<text_before>
2053 // this should be enhanced to also support text_after
2054 // and citation style
2055 string arg = argument;
2057 if (contains(argument, "|")) {
2058 arg = token(argument, '|', 0);
2059 opt1 = token(argument, '|', 1);
2062 // if our cursor is directly in front of or behind a citation inset,
2063 // we will instead add the new key to it.
2064 Inset * inset = cur.nextInset();
2065 if (!inset || inset->lyxCode() != CITE_CODE)
2066 inset = cur.prevInset();
2067 if (inset && inset->lyxCode() == CITE_CODE) {
2068 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2069 if (icite->addKey(arg)) {
2070 dr.forceBufferUpdate();
2071 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2073 LYXERR0("Discarding optional argument to citation-insert.");
2078 InsetCommandParams icp(CITE_CODE);
2079 icp["key"] = from_utf8(arg);
2081 icp["before"] = from_utf8(opt1);
2083 from_ascii(InsetCitation::last_literal ? "true" : "false");
2084 string icstr = InsetCommand::params2string(icp);
2085 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2090 case LFUN_INSET_APPLY: {
2091 string const name = cmd.getArg(0);
2092 Inset * inset = editedInset(name);
2094 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2098 // put cursor in front of inset.
2099 if (!setCursorFromInset(inset)) {
2100 LASSERT(false, break);
2103 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2104 inset->dispatch(cur, fr);
2105 dr.screenUpdate(cur.result().screenUpdate());
2106 if (cur.result().needBufferUpdate())
2107 dr.forceBufferUpdate();
2112 // The change of language of buffer belongs to the Buffer class.
2113 // We have to do it here because we need a cursor for Undo.
2114 // When Undo::recordUndoBufferParams() is implemented someday
2115 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2116 case LFUN_BUFFER_LANGUAGE: {
2117 Language const * oldL = buffer_.params().language;
2118 Language const * newL = languages.getLanguage(argument);
2119 if (!newL || oldL == newL)
2121 if (oldL->rightToLeft() == newL->rightToLeft()) {
2122 cur.recordUndoFullBuffer();
2123 buffer_.changeLanguage(oldL, newL);
2124 cur.setCurrentFont();
2125 dr.forceBufferUpdate();
2130 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2131 case LFUN_FILE_INSERT_PLAINTEXT: {
2132 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2133 string const fname = to_utf8(cmd.argument());
2134 if (!FileName::isAbsolute(fname))
2135 dr.setMessage(_("Absolute filename expected."));
2137 insertPlaintextFile(FileName(fname), as_paragraph);
2142 // OK, so try the Buffer itself...
2143 buffer_.dispatch(cmd, dr);
2144 dispatched = dr.dispatched();
2148 buffer_.undo().endUndoGroup();
2149 dr.dispatched(dispatched);
2151 // NOTE: The code below is copied from Cursor::dispatch. If you
2152 // need to modify this, please update the other one too.
2154 // notify insets we just entered/left
2155 if (cursor() != old) {
2156 old.beginUndoGroup();
2158 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2160 cursor().fixIfBroken();
2161 resetInlineCompletionPos();
2168 docstring const BufferView::requestSelection()
2170 Cursor & cur = d->cursor_;
2172 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2173 if (!cur.selection()) {
2174 d->xsel_cache_.set = false;
2178 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2179 if (!d->xsel_cache_.set ||
2180 cur.top() != d->xsel_cache_.cursor ||
2181 cur.realAnchor().top() != d->xsel_cache_.anchor)
2183 d->xsel_cache_.cursor = cur.top();
2184 d->xsel_cache_.anchor = cur.realAnchor().top();
2185 d->xsel_cache_.set = cur.selection();
2186 return cur.selectionAsString(false);
2192 void BufferView::clearSelection()
2194 d->cursor_.clearSelection();
2195 // Clear the selection buffer. Otherwise a subsequent
2196 // middle-mouse-button paste would use the selection buffer,
2197 // not the more current external selection.
2198 cap::clearSelection();
2199 d->xsel_cache_.set = false;
2200 // The buffer did not really change, but this causes the
2201 // redraw we need because we cleared the selection above.
2202 buffer_.changed(false);
2206 void BufferView::resize(int width, int height)
2208 // Update from work area
2212 // Clear the paragraph height cache.
2213 d->par_height_.clear();
2214 // Redo the metrics.
2219 Inset const * BufferView::getCoveringInset(Text const & text,
2222 TextMetrics & tm = d->text_metrics_[&text];
2223 Inset * inset = tm.checkInsetHit(x, y);
2227 if (!inset->descendable(*this))
2228 // No need to go further down if the inset is not
2232 size_t cell_number = inset->nargs();
2233 // Check all the inner cell.
2234 for (size_t i = 0; i != cell_number; ++i) {
2235 Text const * inner_text = inset->getText(i);
2238 Inset const * inset_deeper =
2239 getCoveringInset(*inner_text, x, y);
2241 return inset_deeper;
2249 void BufferView::updateHoveredInset() const
2251 // Get inset under mouse, if there is one.
2252 int const x = d->mouse_position_cache_.x_;
2253 int const y = d->mouse_position_cache_.y_;
2254 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2256 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2258 if (covering_inset == d->last_inset_)
2259 // Same inset, no need to do anything...
2262 bool need_redraw = false;
2263 if (d->last_inset_) {
2264 // Remove the hint on the last hovered inset (if any).
2265 need_redraw |= d->last_inset_->setMouseHover(this, false);
2269 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2271 // Only the insets that accept the hover state, do
2272 // clear the last_inset_, so only set the last_inset_
2273 // member if the hovered setting is accepted.
2274 d->last_inset_ = covering_inset;
2278 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2279 << d->mouse_position_cache_.x_ << ", "
2280 << d->mouse_position_cache_.y_ << ")");
2282 d->update_strategy_ = DecorationUpdate;
2284 // This event (moving without mouse click) is not passed further.
2285 // This should be changed if it is further utilized.
2286 buffer_.changed(false);
2291 void BufferView::clearLastInset(Inset * inset) const
2293 if (d->last_inset_ != inset) {
2294 LYXERR0("Wrong last_inset!");
2301 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2303 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2305 // This is only called for mouse related events including
2306 // LFUN_FILE_OPEN generated by drag-and-drop.
2307 FuncRequest cmd = cmd0;
2309 Cursor old = cursor();
2311 cur.push(buffer_.inset());
2312 cur.selection(d->cursor_.selection());
2314 // Either the inset under the cursor or the
2315 // surrounding Text will handle this event.
2317 // make sure we stay within the screen...
2318 cmd.set_y(min(max(cmd.y(), -1), height_));
2320 d->mouse_position_cache_.x_ = cmd.x();
2321 d->mouse_position_cache_.y_ = cmd.y();
2323 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2324 updateHoveredInset();
2328 // Build temporary cursor.
2329 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2331 // If inset is not editable, cur.pos() might point behind the
2332 // inset (depending on cmd.x(), cmd.y()). This is needed for
2333 // editing to fix bug 9628, but e.g. the context menu needs a
2334 // cursor in front of the inset.
2335 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2336 || inset->lyxCode() == SEPARATOR_CODE) &&
2337 cur.nextInset() != inset && cur.prevInset() == inset)
2339 } else if (cur.inTexted() && cur.pos()
2340 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2341 // Always place cursor in front of a separator inset.
2345 // Put anchor at the same position.
2348 cur.beginUndoGroup();
2350 // Try to dispatch to an non-editable inset near this position
2351 // via the temp cursor. If the inset wishes to change the real
2352 // cursor it has to do so explicitly by using
2353 // cur.bv().cursor() = cur; (or similar)
2355 inset->dispatch(cur, cmd);
2357 // Now dispatch to the temporary cursor. If the real cursor should
2358 // be modified, the inset's dispatch has to do so explicitly.
2359 if (!inset || !cur.result().dispatched())
2362 // Notify left insets
2364 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2365 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2367 cursor().fixIfBroken();
2372 // Do we have a selection?
2373 theSelection().haveSelection(cursor().selection());
2375 if (cur.needBufferUpdate()) {
2376 cur.clearBufferUpdate();
2377 buffer().updateBuffer();
2380 // If the command has been dispatched,
2381 if (cur.result().dispatched() || cur.result().screenUpdate())
2382 processUpdateFlags(cur.result().screenUpdate());
2386 int BufferView::minVisiblePart()
2388 return 2 * defaultRowHeight();
2392 int BufferView::scroll(int y)
2395 return scrollDown(y);
2397 return scrollUp(-y);
2402 int BufferView::scrollDown(int offset)
2404 Text * text = &buffer_.text();
2405 TextMetrics & tm = d->text_metrics_[text];
2406 int const ymax = height_ + offset;
2408 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2409 int bottom_pos = last.second->position() + last.second->descent();
2410 if (lyxrc.scroll_below_document)
2411 bottom_pos += height_ - minVisiblePart();
2412 if (last.first + 1 == int(text->paragraphs().size())) {
2413 if (bottom_pos <= height_)
2415 offset = min(offset, bottom_pos - height_);
2418 if (bottom_pos > ymax)
2420 tm.newParMetricsDown();
2422 d->anchor_ypos_ -= offset;
2427 int BufferView::scrollUp(int offset)
2429 Text * text = &buffer_.text();
2430 TextMetrics & tm = d->text_metrics_[text];
2431 int ymin = - offset;
2433 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2434 int top_pos = first.second->position() - first.second->ascent();
2435 if (first.first == 0) {
2438 offset = min(offset, - top_pos);
2443 tm.newParMetricsUp();
2445 d->anchor_ypos_ += offset;
2450 bool BufferView::setCursorFromRow(int row)
2452 TexRow::TextEntry start, end;
2453 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2454 LYXERR(Debug::LATEX,
2455 "setCursorFromRow: for row " << row << ", TexRow has found "
2456 "start (id=" << start.id << ",pos=" << start.pos << "), "
2457 "end (id=" << end.id << ",pos=" << end.pos << ")");
2458 return setCursorFromEntries(start, end);
2462 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2463 TexRow::TextEntry end)
2465 DocIterator dit_start, dit_end;
2466 tie(dit_start,dit_end) =
2467 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2470 // Setting selection start
2471 d->cursor_.clearSelection();
2472 setCursor(dit_start);
2473 // Setting selection end
2475 d->cursor_.resetAnchor();
2476 setCursorSelectionTo(dit_end);
2482 bool BufferView::setCursorFromInset(Inset const * inset)
2484 // are we already there?
2485 if (cursor().nextInset() == inset)
2488 // Inset is not at cursor position. Find it in the document.
2491 while (cur && cur.nextInset() != inset)
2502 void BufferView::gotoLabel(docstring const & label)
2505 bool have_inactive = false;
2506 for (Buffer const * buf : buffer().allRelatives()) {
2508 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2509 if (label == item.str() && item.isOutput()) {
2510 lyx::dispatch(item.action());
2513 // If we find an inactive label, save it for the case
2514 // that no active one is there
2515 if (label == item.str() && !have_inactive) {
2516 have_inactive = true;
2517 action = item.action();
2521 // We only found an inactive label. Go there.
2523 lyx::dispatch(action);
2527 TextMetrics const & BufferView::textMetrics(Text const * t) const
2529 return const_cast<BufferView *>(this)->textMetrics(t);
2533 TextMetrics & BufferView::textMetrics(Text const * t)
2536 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2537 if (tmc_it == d->text_metrics_.end()) {
2538 tmc_it = d->text_metrics_.emplace(std::piecewise_construct,
2539 std::forward_as_tuple(t),
2540 std::forward_as_tuple(this, const_cast<Text *>(t))).first;
2542 return tmc_it->second;
2546 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2549 return textMetrics(t).parMetrics(pit);
2553 int BufferView::workHeight() const
2559 void BufferView::setCursor(DocIterator const & dit)
2562 size_t const n = dit.depth();
2563 for (size_t i = 0; i < n; ++i)
2564 dit[i].inset().edit(d->cursor_, true);
2566 d->cursor_.setCursor(dit);
2567 d->cursor_.selection(false);
2568 d->cursor_.setCurrentFont();
2570 // It seems on general grounds as if this is probably needed, but
2571 // it is not yet clear.
2572 // See bug #7394 and r38388.
2573 // d->cursor.resetAnchor();
2577 void BufferView::setCursorSelectionTo(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_.selection(true);
2584 d->cursor_.setCursorSelectionTo(dit);
2585 d->cursor_.setCurrentFont();
2589 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2591 // Would be wrong to delete anything if we have a selection.
2592 if (cur.selection())
2595 bool need_anchor_change = false;
2596 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2597 need_anchor_change);
2599 if (need_anchor_change)
2607 // we would rather not do this here, but it needs to be done before
2608 // the changed() signal is sent.
2609 buffer_.updateBuffer();
2611 buffer_.changed(true);
2616 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2618 LASSERT(&cur.bv() == this, return false);
2621 // this event will clear selection so we save selection for
2622 // persistent selection
2623 cap::saveSelection(cursor());
2625 d->cursor_.macroModeClose();
2626 // If a macro has been finalized, the cursor might have been broken
2629 // Has the cursor just left the inset?
2630 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2632 d->cursor_.fixIfBroken();
2634 // do the dEPM magic if needed
2635 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2636 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2637 // the leftinset bool would not be necessary (badcursor instead).
2638 bool update = leftinset;
2641 d->cursor_.setSelection();
2642 d->cursor_.setCursorSelectionTo(cur);
2644 if (d->cursor_.inTexted())
2645 update |= checkDepm(cur, d->cursor_);
2646 d->cursor_.resetAnchor();
2647 d->cursor_.setCursor(cur);
2648 d->cursor_.clearSelection();
2650 d->cursor_.boundary(cur.boundary());
2651 d->cursor_.finishUndo();
2652 d->cursor_.setCurrentFont();
2654 cur.forceBufferUpdate();
2659 void BufferView::putSelectionAt(DocIterator const & cur,
2660 int length, bool backwards)
2662 d->cursor_.clearSelection();
2668 d->cursor_.pos() += length;
2669 d->cursor_.setSelection(d->cursor_, -length);
2671 d->cursor_.setSelection(d->cursor_, length);
2676 bool BufferView::selectIfEmpty(DocIterator & cur)
2678 if ((cur.inTexted() && !cur.paragraph().empty())
2679 || (cur.inMathed() && !cur.cell().empty()))
2682 pit_type const beg_pit = cur.pit();
2684 // The paragraph associated to this item isn't
2685 // the first one, so it can be selected
2688 // We have to resort to select the space between the
2689 // end of this item and the begin of the next one
2693 // If it is the only item in the document,
2694 // nothing can be selected
2697 pit_type const end_pit = cur.pit();
2698 pos_type const end_pos = cur.pos();
2699 d->cursor_.clearSelection();
2701 d->cursor_.setCursor(cur);
2702 d->cursor_.pit() = beg_pit;
2703 d->cursor_.pos() = 0;
2704 d->cursor_.selection(false);
2705 d->cursor_.resetAnchor();
2706 d->cursor_.pit() = end_pit;
2707 d->cursor_.pos() = end_pos;
2708 d->cursor_.setSelection();
2713 Cursor & BufferView::cursor()
2719 Cursor const & BufferView::cursor() const
2725 bool BufferView::singleParUpdate()
2727 Text & buftext = buffer_.text();
2728 pit_type const bottom_pit = d->cursor_.bottom().pit();
2729 TextMetrics & tm = textMetrics(&buftext);
2730 int old_height = tm.parMetrics(bottom_pit).height();
2732 // make sure inline completion pointer is ok
2733 if (d->inlineCompletionPos_.fixIfBroken())
2734 d->inlineCompletionPos_ = DocIterator();
2736 // In Single Paragraph mode, rebreak only
2737 // the (main text, not inset!) paragraph containing the cursor.
2738 // (if this paragraph contains insets etc., rebreaking will
2739 // recursively descend)
2740 tm.redoParagraph(bottom_pit);
2741 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2742 if (pm.height() != old_height)
2743 // Paragraph height has changed so we cannot proceed to
2744 // the singlePar optimisation.
2747 tm.updatePosCache(bottom_pit);
2749 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2750 << " y2: " << pm.position() + pm.descent()
2751 << " pit: " << bottom_pit
2752 << " singlepar: 1");
2757 void BufferView::updateMetrics()
2759 updateMetrics(d->update_flags_);
2760 d->update_strategy_ = FullScreenUpdate;
2764 void BufferView::updateMetrics(Update::flags & update_flags)
2766 if (height_ == 0 || width_ == 0)
2769 Text & buftext = buffer_.text();
2770 pit_type const npit = int(buftext.paragraphs().size());
2772 // Clear out the position cache in case of full screen redraw,
2773 d->coord_cache_.clear();
2775 // Clear out paragraph metrics to avoid having invalid metrics
2776 // in the cache from paragraphs not relayouted below
2777 // The complete text metrics will be redone.
2778 d->text_metrics_.clear();
2780 TextMetrics & tm = textMetrics(&buftext);
2782 // make sure inline completion pointer is ok
2783 if (d->inlineCompletionPos_.fixIfBroken())
2784 d->inlineCompletionPos_ = DocIterator();
2786 if (d->anchor_pit_ >= npit)
2787 // The anchor pit must have been deleted...
2788 d->anchor_pit_ = npit - 1;
2790 // Rebreak anchor paragraph.
2791 tm.redoParagraph(d->anchor_pit_);
2792 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2795 if (d->anchor_pit_ == 0) {
2796 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2798 // Complete buffer visible? Then it's easy.
2799 if (scrollRange == 0)
2800 d->anchor_ypos_ = anchor_pm.ascent();
2802 // avoid empty space above the first row
2803 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2806 anchor_pm.setPosition(d->anchor_ypos_);
2807 tm.updatePosCache(d->anchor_pit_);
2809 LYXERR(Debug::PAINTING, "metrics: "
2810 << " anchor pit = " << d->anchor_pit_
2811 << " anchor ypos = " << d->anchor_ypos_);
2813 // Redo paragraphs above anchor if necessary.
2814 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2815 // We are now just above the anchor paragraph.
2816 pit_type pit1 = d->anchor_pit_ - 1;
2817 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2818 tm.redoParagraph(pit1);
2819 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2821 // Save the paragraph position in the cache.
2823 tm.updatePosCache(pit1);
2827 // Redo paragraphs below the anchor if necessary.
2828 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2829 // We are now just below the anchor paragraph.
2830 pit_type pit2 = d->anchor_pit_ + 1;
2831 for (; pit2 < npit && y2 <= height_; ++pit2) {
2832 tm.redoParagraph(pit2);
2833 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2835 // Save the paragraph position in the cache.
2837 tm.updatePosCache(pit2);
2841 LYXERR(Debug::PAINTING, "Metrics: "
2842 << " anchor pit = " << d->anchor_pit_
2843 << " anchor ypos = " << d->anchor_ypos_
2846 << " pit1 = " << pit1
2847 << " pit2 = " << pit2);
2849 // metrics is done, full drawing is necessary now
2850 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2852 // Now update the positions of insets in the cache.
2855 if (lyxerr.debugging(Debug::WORKAREA)) {
2856 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2857 d->coord_cache_.dump();
2862 void BufferView::updatePosCache()
2864 // this is the "nodraw" drawing stage: only set the positions of the
2865 // insets in metrics cache.
2866 frontend::NullPainter np;
2871 void BufferView::insertLyXFile(FileName const & fname, bool const ignorelang)
2873 LASSERT(d->cursor_.inTexted(), return);
2875 // Get absolute path of file and add ".lyx"
2876 // to the filename if necessary
2877 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2879 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2880 // emit message signal.
2881 message(bformat(_("Inserting document %1$s..."), disp_fn));
2884 Buffer buf(filename.absFileName(), false);
2885 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2886 ErrorList & el = buffer_.errorList("Parse");
2887 // Copy the inserted document error list into the current buffer one.
2888 el = buf.errorList("Parse");
2889 ParagraphList & pars = buf.paragraphs();
2891 // set main language of imported file to context language
2892 buf.changeLanguage(buf.language(), d->cursor_.getFont().language());
2893 buffer_.undo().recordUndo(d->cursor_);
2894 cap::pasteParagraphList(d->cursor_, pars,
2895 buf.params().documentClassPtr(), el);
2896 res = _("Document %1$s inserted.");
2898 res = _("Could not insert document %1$s");
2901 buffer_.changed(true);
2902 // emit message signal.
2903 message(bformat(res, disp_fn));
2907 Point BufferView::coordOffset(DocIterator const & dit) const
2913 // Addup contribution of nested insets, from inside to outside,
2914 // keeping the outer paragraph for a special handling below
2915 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2916 CursorSlice const & sl = dit[i];
2920 // get relative position inside sl.inset()
2921 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2923 // Make relative position inside of the edited inset relative to sl.inset()
2927 // In case of an RTL inset, the edited inset will be positioned to the left
2930 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2931 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2936 // remember width for the case that sl.inset() is positioned in an RTL inset
2937 lastw = sl.inset().dimension(*this).wid;
2939 //lyxerr << "Cursor::getPos, i: "
2940 // << i << " x: " << xx << " y: " << y << endl;
2943 // Add contribution of initial rows of outermost paragraph
2944 CursorSlice const & sl = dit[0];
2945 TextMetrics const & tm = textMetrics(sl.text());
2946 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2948 LBUFERR(!pm.rows().empty());
2949 y -= pm.rows()[0].ascent();
2951 // FIXME: document this mess
2953 if (sl.pos() > 0 && dit.depth() == 1) {
2955 if (pos && dit.boundary())
2957 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2958 rend = pm.pos2row(pos);
2960 rend = pm.pos2row(sl.pos());
2962 size_t rend = pm.pos2row(sl.pos());
2964 for (size_t rit = 0; rit != rend; ++rit)
2965 y += pm.rows()[rit].height();
2966 y += pm.rows()[rend].ascent();
2968 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2970 // Make relative position from the nested inset now bufferview absolute.
2971 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2974 // In the RTL case place the nested inset at the left of the cursor in
2975 // the outer paragraph
2976 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2977 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2985 Point BufferView::getPos(DocIterator const & dit) const
2987 if (!paragraphVisible(dit))
2988 return Point(-1, -1);
2990 CursorSlice const & bot = dit.bottom();
2991 TextMetrics const & tm = textMetrics(bot.text());
2993 // offset from outer paragraph
2994 Point p = coordOffset(dit);
2995 p.y_ += tm.parMetrics(bot.pit()).position();
3000 bool BufferView::paragraphVisible(DocIterator const & dit) const
3002 CursorSlice const & bot = dit.bottom();
3003 TextMetrics const & tm = textMetrics(bot.text());
3005 return tm.contains(bot.pit());
3009 void BufferView::caretPosAndHeight(Point & p, int & h) const
3012 Cursor const & cur = cursor();
3013 if (cur.inMathed()) {
3014 asc = cur.cell().caretAscent(this);
3015 des = cur.cell().caretDescent(this);
3017 Font const font = cur.real_current_font;
3018 frontend::FontMetrics const & fm = theFontMetrics(font);
3019 asc = fm.maxAscent();
3020 des = fm.maxDescent();
3028 bool BufferView::cursorInView(Point const & p, int h) const
3030 Cursor const & cur = cursor();
3031 // does the cursor touch the screen ?
3032 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3038 int BufferView::horizScrollOffset() const
3040 return d->horiz_scroll_offset_;
3044 int BufferView::horizScrollOffset(Text const * text,
3045 pit_type pit, pos_type pos) const
3047 // Is this a row that is currently scrolled?
3048 if (!d->current_row_slice_.empty()
3049 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3050 && pit == d->current_row_slice_.pit()
3051 && pos == d->current_row_slice_.pos())
3052 return d->horiz_scroll_offset_;
3057 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3059 // nothing to do if the cursor was already on this row
3060 if (d->current_row_slice_ == rowSlice)
3063 // if the (previous) current row was scrolled, we have to
3064 // remember it in order to repaint it next time.
3065 if (d->horiz_scroll_offset_ != 0) {
3066 // search the old row in cache and mark it changed
3067 for (auto & tm_pair : d->text_metrics_) {
3068 if (&tm_pair.first->inset() == rowSlice.inset().asInsetText()) {
3069 tm_pair.second.setRowChanged(rowSlice.pit(), rowSlice.pos());
3070 // We found it, no need to continue.
3076 // Since we changed row, the scroll offset is not valid anymore
3077 d->horiz_scroll_offset_ = 0;
3078 d->current_row_slice_ = rowSlice;
3082 void BufferView::checkCursorScrollOffset()
3084 CursorSlice rowSlice = d->cursor_.bottom();
3085 TextMetrics const & tm = textMetrics(rowSlice.text());
3087 // Stop if metrics have not been computed yet, since it means
3088 // that there is nothing to do.
3089 if (!tm.contains(rowSlice.pit()))
3091 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3092 Row const & row = pm.getRow(rowSlice.pos(),
3093 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3094 rowSlice.pos() = row.pos();
3096 // Set the row on which the cursor lives.
3097 setCurrentRowSlice(rowSlice);
3099 // Current x position of the cursor in pixels
3100 int cur_x = getPos(d->cursor_).x_;
3102 // Horizontal scroll offset of the cursor row in pixels
3103 int offset = d->horiz_scroll_offset_;
3104 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3106 if (row.right_x() <= workWidth() - row.right_margin) {
3107 // Row is narrower than the work area, no offset needed.
3110 if (cur_x - offset < MARGIN) {
3111 // cursor would be too far right
3112 offset = cur_x - MARGIN;
3113 } else if (cur_x - offset > workWidth() - MARGIN) {
3114 // cursor would be too far left
3115 offset = cur_x - workWidth() + MARGIN;
3117 // Correct the offset to make sure that we do not scroll too much
3120 if (row.right_x() - offset < workWidth() - row.right_margin)
3121 offset = row.right_x() - workWidth() + row.right_margin;
3124 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3126 if (offset != d->horiz_scroll_offset_)
3127 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3128 << d->horiz_scroll_offset_ << " to " << offset);
3130 if (d->update_strategy_ == NoScreenUpdate
3131 && offset != d->horiz_scroll_offset_) {
3132 // FIXME: if one uses SingleParUpdate, then home/end
3133 // will not work on long rows. Why?
3134 d->update_strategy_ = FullScreenUpdate;
3137 d->horiz_scroll_offset_ = offset;
3141 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3143 if (height_ == 0 || width_ == 0)
3145 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3146 : "\t\t*** START DRAWING ***"));
3147 Text & text = buffer_.text();
3148 TextMetrics const & tm = d->text_metrics_[&text];
3149 int const y = tm.first().second->position();
3150 PainterInfo pi(this, pain);
3152 // Check whether the row where the cursor lives needs to be scrolled.
3153 // Update the drawing strategy if needed.
3154 checkCursorScrollOffset();
3156 switch (d->update_strategy_) {
3158 case NoScreenUpdate:
3159 // no screen painting is actually needed. In nodraw stage
3160 // however, the different coordinates of insets and paragraphs
3161 // needs to be updated.
3162 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3163 pi.full_repaint = false;
3164 if (pain.isNull()) {
3165 pi.full_repaint = true;
3168 pi.full_repaint = false;
3173 case SingleParUpdate:
3174 pi.full_repaint = false;
3175 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3176 // In general, only the current row of the outermost paragraph
3177 // will be redrawn. Particular cases where selection spans
3178 // multiple paragraph are correctly detected in TextMetrics.
3182 case DecorationUpdate:
3183 // FIXME: We should also distinguish DecorationUpdate to avoid text
3184 // drawing if possible. This is not possible to do easily right now
3185 // because of the single backing pixmap.
3187 case FullScreenUpdate:
3189 LYXERR(Debug::PAINTING,
3190 ((d->update_strategy_ == FullScreenUpdate)
3191 ? "Strategy: FullScreenUpdate"
3192 : "Strategy: DecorationUpdate"));
3194 // The whole screen, including insets, will be refreshed.
3195 pi.full_repaint = true;
3197 // Clear background.
3198 pain.fillRectangle(0, 0, width_, height_,
3199 pi.backgroundColor(&buffer_.inset()));
3204 // and possibly grey out below
3205 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3206 int const y2 = lastpm.second->position() + lastpm.second->descent();
3209 Color color = buffer().isInternal()
3210 ? Color_background : Color_bottomarea;
3211 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3215 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3216 : "\t\t *** END DRAWING ***"));
3218 // The scrollbar needs an update.
3221 // Normalize anchor for next time
3222 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3223 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3224 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3225 ParagraphMetrics const & pm = tm.parMetrics(pit);
3226 if (pm.position() + pm.descent() > 0) {
3227 if (d->anchor_pit_ != pit
3228 || d->anchor_ypos_ != pm.position())
3229 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3230 << " anchor ypos = " << d->anchor_ypos_);
3231 d->anchor_pit_ = pit;
3232 d->anchor_ypos_ = pm.position();
3236 if (!pain.isNull()) {
3237 // reset the update flags, everything has been done
3238 d->update_flags_ = Update::None;
3241 // If a caret has to be painted, mark its text row as dirty to
3242 //make sure that it will be repainted on next redraw.
3243 /* FIXME: investigate whether this can be avoided when the cursor did not
3247 Row const & caret_row = d->cursor_.textRow();
3248 caret_row.changed(true);
3253 void BufferView::message(docstring const & msg)
3256 d->gui_->message(msg);
3260 void BufferView::showDialog(string const & name)
3263 d->gui_->showDialog(name, string());
3267 void BufferView::showDialog(string const & name,
3268 string const & data, Inset * inset)
3271 d->gui_->showDialog(name, data, inset);
3275 void BufferView::updateDialog(string const & name, string const & data)
3278 d->gui_->updateDialog(name, data);
3282 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3288 // FIXME: Move this out of BufferView again
3289 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3291 if (!fname.isReadableFile()) {
3292 docstring const error = from_ascii(strerror(errno));
3293 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3294 docstring const text =
3295 bformat(_("Could not read the specified document\n"
3296 "%1$s\ndue to the error: %2$s"), file, error);
3297 Alert::error(_("Could not read file"), text);
3301 if (!fname.isReadableFile()) {
3302 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3303 docstring const text =
3304 bformat(_("%1$s\n is not readable."), file);
3305 Alert::error(_("Could not open file"), text);
3309 // FIXME UNICODE: We don't know the encoding of the file
3310 docstring file_content = fname.fileContents("UTF-8");
3311 if (file_content.empty()) {
3312 Alert::error(_("Reading not UTF-8 encoded file"),
3313 _("The file is not UTF-8 encoded.\n"
3314 "It will be read as local 8Bit-encoded.\n"
3315 "If this does not give the correct result\n"
3316 "then please change the encoding of the file\n"
3317 "to UTF-8 with a program other than LyX.\n"));
3318 file_content = fname.fileContents("local8bit");
3321 return normalize_c(file_content);
3325 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3327 docstring const tmpstr = contentsOfPlaintextFile(f);
3332 Cursor & cur = cursor();
3333 cap::replaceSelection(cur);
3334 buffer_.undo().recordUndo(cur);
3336 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3338 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3340 buffer_.changed(true);
3344 docstring const & BufferView::inlineCompletion() const
3346 return d->inlineCompletion_;
3350 size_t const & BufferView::inlineCompletionUniqueChars() const
3352 return d->inlineCompletionUniqueChars_;
3356 DocIterator const & BufferView::inlineCompletionPos() const
3358 return d->inlineCompletionPos_;
3362 void BufferView::resetInlineCompletionPos()
3364 d->inlineCompletionPos_ = DocIterator();
3368 bool samePar(DocIterator const & a, DocIterator const & b)
3370 if (a.empty() && b.empty())
3372 if (a.empty() || b.empty())
3374 if (a.depth() != b.depth())
3376 return &a.innerParagraph() == &b.innerParagraph();
3380 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3381 docstring const & completion, size_t uniqueChars)
3383 uniqueChars = min(completion.size(), uniqueChars);
3384 bool changed = d->inlineCompletion_ != completion
3385 || d->inlineCompletionUniqueChars_ != uniqueChars;
3386 bool singlePar = true;
3387 d->inlineCompletion_ = completion;
3388 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3390 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3393 DocIterator const & old = d->inlineCompletionPos_;
3395 //lyxerr << "inlineCompletionPos changed" << std::endl;
3396 // old or pos are in another paragraph?
3397 if ((!samePar(cur, pos) && !pos.empty())
3398 || (!samePar(cur, old) && !old.empty())) {
3400 //lyxerr << "different paragraph" << std::endl;
3402 d->inlineCompletionPos_ = pos;
3407 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3408 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3410 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3415 bool BufferView::clickableInset() const
3417 return d->clickable_inset_;