3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Alfredo Braunstein
7 * \author Lars Gullik Bjønnes
10 * \author Jürgen Vigna
12 * Full author contact details are available in file CREDITS.
17 #include "BufferView.h"
19 #include "BranchList.h"
21 #include "buffer_funcs.h"
22 #include "BufferList.h"
23 #include "BufferParams.h"
24 #include "CoordCache.h"
26 #include "CutAndPaste.h"
27 #include "DispatchResult.h"
28 #include "ErrorList.h"
30 #include "FloatList.h"
31 #include "FuncRequest.h"
32 #include "FuncStatus.h"
34 #include "InsetIterator.h"
36 #include "LaTeXFeatures.h"
37 #include "LayoutFile.h"
41 #include "LyXAction.h"
45 #include "MetricsInfo.h"
46 #include "Paragraph.h"
47 #include "ParagraphParameters.h"
48 #include "ParIterator.h"
49 #include "RowPainter.h"
52 #include "TextClass.h"
53 #include "TextMetrics.h"
55 #include "TocBackend.h"
56 #include "WordLangTuple.h"
58 #include "insets/InsetBibtex.h"
59 #include "insets/InsetCitation.h"
60 #include "insets/InsetCommand.h" // ChangeRefs
61 #include "insets/InsetExternal.h"
62 #include "insets/InsetGraphics.h"
63 #include "insets/InsetNote.h"
64 #include "insets/InsetRef.h"
65 #include "insets/InsetText.h"
67 #include "mathed/MathData.h"
68 #include "mathed/InsetMathNest.h"
70 #include "frontends/alert.h"
71 #include "frontends/Application.h"
72 #include "frontends/Delegates.h"
73 #include "frontends/FontMetrics.h"
74 #include "frontends/NullPainter.h"
75 #include "frontends/Painter.h"
76 #include "frontends/Selection.h"
78 #include "support/convert.h"
79 #include "support/debug.h"
80 #include "support/ExceptionMessage.h"
81 #include "support/filetools.h"
82 #include "support/gettext.h"
83 #include "support/lassert.h"
84 #include "support/lstrings.h"
85 #include "support/Package.h"
86 #include "support/types.h"
96 using namespace lyx::support;
100 namespace Alert = frontend::Alert;
104 /// Return an inset of this class if it exists at the current cursor position
106 T * getInsetByCode(Cursor const & cur, InsetCode code)
108 DocIterator it = cur;
109 Inset * inset = it.nextInset();
110 if (inset && inset->lyxCode() == code)
111 return static_cast<T*>(inset);
116 /// Note that comparing contents can only be used for InsetCommand
117 bool findNextInset(DocIterator & dit, vector<InsetCode> const & codes,
118 docstring const & contents)
120 DocIterator tmpdit = dit;
123 Inset const * inset = tmpdit.nextInset();
125 bool const valid_code = std::find(codes.begin(), codes.end(),
126 inset->lyxCode()) != codes.end();
127 InsetCommand const * ic = inset->asInsetCommand();
128 bool const same_or_no_contents = contents.empty()
129 || (ic && (ic->getFirstNonOptParam() == contents));
131 if (valid_code && same_or_no_contents) {
136 tmpdit.forwardInset();
143 /// Looks for next inset with one of the given codes.
144 /// Note that same_content can only be used for InsetCommand
145 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
149 DocIterator tmpdit = dit;
150 tmpdit.forwardInset();
154 Inset const * inset = tmpdit.nextInset();
155 if (same_content && inset) {
156 InsetCommand const * ic = inset->asInsetCommand();
158 bool const valid_code = std::find(codes.begin(), codes.end(),
159 ic->lyxCode()) != codes.end();
161 contents = ic->getFirstNonOptParam();
165 if (!findNextInset(tmpdit, codes, contents)) {
166 if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
167 Inset * inset = &tmpdit.bottom().inset();
168 tmpdit = doc_iterator_begin(&inset->buffer(), inset);
169 if (!findNextInset(tmpdit, codes, contents))
181 /// Looks for next inset with the given code
182 void findInset(DocIterator & dit, InsetCode code, bool same_content)
184 findInset(dit, vector<InsetCode>(1, code), same_content);
188 /// Moves cursor to the next inset with one of the given codes.
189 void gotoInset(BufferView * bv, vector<InsetCode> const & codes,
192 Cursor tmpcur = bv->cursor();
193 if (!findInset(tmpcur, codes, same_content)) {
194 bv->cursor().message(_("No more insets"));
198 tmpcur.clearSelection();
199 bv->setCursor(tmpcur);
204 /// Moves cursor to the next inset with given code.
205 void gotoInset(BufferView * bv, InsetCode code, bool same_content)
207 gotoInset(bv, vector<InsetCode>(1, code), same_content);
211 /// A map from a Text to the associated text metrics
212 typedef map<Text const *, TextMetrics> TextMetricsCache;
214 enum ScreenUpdateStrategy {
224 /////////////////////////////////////////////////////////////////////
228 /////////////////////////////////////////////////////////////////////
230 struct BufferView::Private
232 Private(BufferView & bv) :
233 update_strategy_(FullScreenUpdate),
234 update_flags_(Update::Force),
236 anchor_pit_(0), anchor_ypos_(0),
237 inlineCompletionUniqueChars_(0),
238 last_inset_(0), clickable_inset_(false),
239 mouse_position_cache_(),
240 bookmark_edit_position_(-1), gui_(0),
241 horiz_scroll_offset_(0),
242 caret_ascent_(0), caret_descent_(0)
244 xsel_cache_.set = false;
248 ScrollbarParameters scrollbarParameters_;
250 ScreenUpdateStrategy update_strategy_;
252 Update::flags update_flags_;
254 CoordCache coord_cache_;
256 /// Estimated average par height for scrollbar.
258 /// this is used to handle XSelection events in the right manner.
267 pit_type anchor_pit_;
271 vector<int> par_height_;
274 DocIterator inlineCompletionPos_;
276 docstring inlineCompletion_;
278 size_t inlineCompletionUniqueChars_;
280 /// keyboard mapping object.
283 /// last visited inset.
284 /** kept to send setMouseHover(false).
285 * Not owned, so don't delete.
287 Inset const * last_inset_;
288 /// are we hovering something that we can click
289 bool clickable_inset_;
291 /// position of the mouse at the time of the last mouse move
292 /// This is used to update the hovering status of inset in
293 /// cases where the buffer is scrolled, but the mouse didn't move.
294 Point mouse_position_cache_;
296 // cache for id of the paragraph which was edited the last time
297 int bookmark_edit_position_;
299 mutable TextMetricsCache text_metrics_;
302 /** Not owned, so don't delete.
304 frontend::GuiBufferViewDelegate * gui_;
306 /// Cache for Find Next
307 FuncRequest search_request_cache_;
310 map<string, Inset *> edited_insets_;
312 /// When the row where the cursor lies is scrolled, this
313 /// contains the scroll offset
314 int horiz_scroll_offset_;
315 /// a slice pointing to the start of the row where the cursor
316 /// is (at last draw time)
317 CursorSlice current_row_slice_;
318 /// a slice pointing to the start of the row where cursor was
319 /// at previous draw event
320 CursorSlice last_row_slice_;
322 // The vertical size of the blinking caret. Only used for math
323 // Using it for text could be bad when undo restores the cursor
324 // current font, since the caret size could become wrong.
330 BufferView::BufferView(Buffer & buf)
331 : width_(0), height_(0), full_screen_(false), buffer_(buf),
332 d(new Private(*this))
334 d->xsel_cache_.set = false;
335 d->intl_.initKeyMapper(lyxrc.use_kbmap);
337 d->cursor_.setBuffer(&buf);
338 d->cursor_.push(buffer_.inset());
339 d->cursor_.resetAnchor();
340 d->cursor_.setCurrentFont();
342 buffer_.updatePreviews();
346 BufferView::~BufferView()
348 // current buffer is going to be switched-off, save cursor pos
349 // Ideally, the whole cursor stack should be saved, but session
350 // currently can only handle bottom (whole document) level pit and pos.
351 // That is to say, if a cursor is in a nested inset, it will be
352 // restore to the left of the top level inset.
353 LastFilePosSection::FilePos fp;
354 fp.pit = d->cursor_.bottom().pit();
355 fp.pos = d->cursor_.bottom().pos();
356 theSession().lastFilePos().save(buffer_.fileName(), fp);
359 d->last_inset_->setMouseHover(this, false);
365 int BufferView::rightMargin() const
367 // The value used to be hardcoded to 10, which is 0.1in at 100dpi
368 int const default_margin = Length(0.1, Length::IN).inPixels(0);
369 // The additional test for the case the outliner is opened.
370 if (!full_screen_ || !lyxrc.full_screen_limit
371 || width_ < lyxrc.full_screen_width + 2 * default_margin)
372 return default_margin;
374 return (width_ - lyxrc.full_screen_width) / 2;
378 int BufferView::leftMargin() const
380 return rightMargin();
384 int BufferView::inPixels(Length const & len) const
386 Font const font = buffer().params().getFont();
387 return len.inPixels(workWidth(), theFontMetrics(font).em());
391 bool BufferView::isTopScreen() const
393 return 0 == d->scrollbarParameters_.min;
397 bool BufferView::isBottomScreen() const
399 return 0 == d->scrollbarParameters_.max;
403 Intl & BufferView::getIntl()
409 Intl const & BufferView::getIntl() const
415 CoordCache & BufferView::coordCache()
417 return d->coord_cache_;
421 CoordCache const & BufferView::coordCache() const
423 return d->coord_cache_;
427 Buffer & BufferView::buffer()
433 Buffer const & BufferView::buffer() const
439 bool BufferView::needsFitCursor() const
441 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
442 frontend::FontMetrics const & fm =
443 theFontMetrics(d->cursor_.getFont().fontInfo());
444 int const asc = fm.maxAscent();
445 int const des = fm.maxDescent();
446 Point const p = getPos(d->cursor_);
447 if (p.y_ - asc >= 0 && p.y_ + des < height_)
456 // this is for debugging only.
457 string flagsAsString(Update::flags flags)
459 if (flags == Update::None)
461 return string((flags & Update::FitCursor) ? "FitCursor " : "")
462 + ((flags & Update::Force) ? "Force " : "")
463 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
464 + ((flags & Update::SinglePar) ? "SinglePar " : "")
465 + ((flags & Update::Decoration) ? "Decoration " : "");
470 void BufferView::processUpdateFlags(Update::flags flags)
472 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
473 << flagsAsString(flags) << ") buffer: " << &buffer_);
475 // Case when no explicit update is requested.
476 if (flags == Update::None)
479 // SinglePar is ignored for now (this should probably change). We
480 // set it ourselves below, at the price of always rebreaking the
481 // paragraph at cursor. This can be expensive for large tables.
482 flags = flags & ~Update::SinglePar;
484 // First check whether the metrics and inset positions should be updated
485 if (flags & Update::Force) {
486 // This will update the CoordCache items and replace Force
487 // with ForceDraw in flags.
488 updateMetrics(flags);
491 // Detect whether we can only repaint a single paragraph.
492 // We handle this before FitCursor because the later will require
493 // correct metrics at cursor position.
494 if (!(flags & Update::ForceDraw)) {
495 if (singleParUpdate())
496 flags = flags | Update::SinglePar;
498 updateMetrics(flags);
501 // Then make sure that the screen contains the cursor if needed
502 if (flags & Update::FitCursor) {
503 if (needsFitCursor()) {
504 scrollToCursor(d->cursor_, false);
505 // Metrics have to be recomputed (maybe again)
506 updateMetrics(flags);
508 flags = flags & ~Update::FitCursor;
511 // Add flags to the the update flags. These will be reset to None
512 // after the redraw is actually done
513 d->update_flags_ = d->update_flags_ | flags;
514 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
516 // Now compute the update strategy
517 // Possibly values in flag are None, Decoration, ForceDraw
518 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
519 | Update::Decoration | Update::ForceDraw)) == 0);
521 if (d->update_flags_ & Update::ForceDraw)
522 d->update_strategy_ = FullScreenUpdate;
523 else if (d->update_flags_ & Update::Decoration)
524 d->update_strategy_ = DecorationUpdate;
525 else if (d->update_flags_ & Update::SinglePar)
526 d->update_strategy_ = SingleParUpdate;
528 // no need to redraw anything.
529 d->update_strategy_ = NoScreenUpdate;
532 updateHoveredInset();
535 buffer_.changed(false);
539 void BufferView::updateScrollbar()
541 if (height_ == 0 && width_ == 0)
544 // We prefer fixed size line scrolling.
545 d->scrollbarParameters_.single_step = defaultRowHeight();
546 // We prefer full screen page scrolling.
547 d->scrollbarParameters_.page_step = height_;
549 Text & t = buffer_.text();
550 TextMetrics & tm = d->text_metrics_[&t];
552 LYXERR(Debug::GUI, " Updating scrollbar: height: "
553 << t.paragraphs().size()
554 << " curr par: " << d->cursor_.bottom().pit()
555 << " default height " << defaultRowHeight());
557 size_t const parsize = t.paragraphs().size();
558 if (d->par_height_.size() != parsize) {
559 d->par_height_.clear();
560 // FIXME: We assume a default paragraph height of 2 rows. This
561 // should probably be pondered with the screen width.
562 d->par_height_.resize(parsize, defaultRowHeight() * 2);
565 // Look at paragraph heights on-screen
566 pair<pit_type, ParagraphMetrics const *> first = tm.first();
567 pair<pit_type, ParagraphMetrics const *> last = tm.last();
568 for (pit_type pit = first.first; pit <= last.first; ++pit) {
569 d->par_height_[pit] = tm.parMetrics(pit).height();
570 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
571 << d->par_height_[pit]);
574 int top_pos = first.second->position() - first.second->ascent();
575 int bottom_pos = last.second->position() + last.second->descent();
576 bool first_visible = first.first == 0 && top_pos >= 0;
577 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
578 if (first_visible && last_visible) {
579 d->scrollbarParameters_.min = 0;
580 d->scrollbarParameters_.max = 0;
584 d->scrollbarParameters_.min = top_pos;
585 for (size_t i = 0; i != size_t(first.first); ++i)
586 d->scrollbarParameters_.min -= d->par_height_[i];
587 d->scrollbarParameters_.max = bottom_pos;
588 for (size_t i = last.first + 1; i != parsize; ++i)
589 d->scrollbarParameters_.max += d->par_height_[i];
591 // The reference is the top position so we remove one page.
592 if (lyxrc.scroll_below_document)
593 d->scrollbarParameters_.max -= minVisiblePart();
595 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
597 // 0 must be inside the range as it denotes the current position
598 if (d->scrollbarParameters_.max < 0)
599 d->scrollbarParameters_.max = 0;
600 if (d->scrollbarParameters_.min > 0)
601 d->scrollbarParameters_.min = 0;
605 ScrollbarParameters const & BufferView::scrollbarParameters() const
607 return d->scrollbarParameters_;
611 docstring BufferView::toolTip(int x, int y) const
613 // Get inset under mouse, if there is one.
614 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
616 // No inset, no tooltip...
618 return covering_inset->toolTip(*this, x, y);
622 string BufferView::contextMenu(int x, int y) const
624 //If there is a selection, return the containing inset menu
625 if (d->cursor_.selection())
626 return d->cursor_.inset().contextMenu(*this, x, y);
628 // Get inset under mouse, if there is one.
629 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
631 return covering_inset->contextMenu(*this, x, y);
633 return buffer_.inset().contextMenu(*this, x, y);
638 void BufferView::scrollDocView(int const value, bool update)
640 // The scrollbar values are relative to the top of the screen, therefore the
641 // offset is equal to the target value.
643 // No scrolling at all? No need to redraw anything
647 // If the offset is less than 2 screen height, prefer to scroll instead.
648 if (abs(value) <= 2 * height_) {
649 d->anchor_ypos_ -= value;
650 processUpdateFlags(Update::Force);
654 // cut off at the top
655 if (value <= d->scrollbarParameters_.min) {
656 DocIterator dit = doc_iterator_begin(&buffer_);
657 showCursor(dit, false, update);
658 LYXERR(Debug::SCROLLING, "scroll to top");
662 // cut off at the bottom
663 if (value >= d->scrollbarParameters_.max) {
664 DocIterator dit = doc_iterator_end(&buffer_);
666 showCursor(dit, false, update);
667 LYXERR(Debug::SCROLLING, "scroll to bottom");
671 // find paragraph at target position
672 int par_pos = d->scrollbarParameters_.min;
674 for (; i != int(d->par_height_.size()); ++i) {
675 par_pos += d->par_height_[i];
676 if (par_pos >= value)
680 if (par_pos < value) {
681 // It seems we didn't find the correct pit so stay on the safe side and
683 LYXERR0("scrolling position not found!");
684 scrollDocView(d->scrollbarParameters_.max, update);
688 DocIterator dit = doc_iterator_begin(&buffer_);
690 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
691 showCursor(dit, false, update);
695 // FIXME: this method is not working well.
696 void BufferView::setCursorFromScrollbar()
698 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
700 int const height = 2 * defaultRowHeight();
701 int const first = height;
702 int const last = height_ - height;
704 Cursor const & oldcur = d->cursor_;
706 switch (cursorStatus(oldcur)) {
714 int const y = getPos(oldcur).y_;
715 newy = min(last, max(y, first));
719 // We reset the cursor because cursorStatus() does not
720 // work when the cursor is within mathed.
723 tm.setCursorFromCoordinates(cur, 0, newy);
725 // update the bufferview cursor and notify insets
726 // FIXME: Care about the d->cursor_ flags to redraw if needed
727 Cursor old = d->cursor_;
729 // the DEPM call in mouseSetCursor() might have destroyed the
730 // paragraph the cursor is in.
731 bool badcursor = old.fixIfBroken();
732 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
734 d->cursor_.fixIfBroken();
738 Change const BufferView::getCurrentChange() const
740 if (!d->cursor_.selection())
741 return Change(Change::UNCHANGED);
743 DocIterator dit = d->cursor_.selectionBegin();
744 // The selected content might have been changed (see #7685)
745 dit = dit.getInnerText();
746 return dit.paragraph().lookupChange(dit.pos());
750 // this could be used elsewhere as well?
751 // FIXME: This does not work within mathed!
752 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
754 Point const p = getPos(dit);
757 if (p.y_ > workHeight())
763 void BufferView::bookmarkEditPosition()
765 // Don't eat cpu time for each keystroke
766 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
769 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
773 void BufferView::saveBookmark(unsigned int idx)
775 // tentatively save bookmark, id and pos will be used to
776 // acturately locate a bookmark in a 'live' lyx session.
777 // pit and pos will be updated with bottom level pit/pos
779 if (!buffer_.isInternal()) {
780 theSession().bookmarks().save(
782 d->cursor_.bottom().pit(),
783 d->cursor_.bottom().pos(),
784 d->cursor_.paragraph().id(),
789 // emit message signal.
790 message(_("Save bookmark"));
795 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
796 int top_id, pos_type top_pos)
798 bool success = false;
801 d->cursor_.clearSelection();
803 // if a valid par_id is given, try it first
804 // This is the case for a 'live' bookmark when unique paragraph ID
805 // is used to track bookmarks.
807 dit = buffer_.getParFromID(top_id);
809 dit.pos() = min(dit.paragraph().size(), top_pos);
810 // Some slices of the iterator may not be
811 // reachable (e.g. closed collapsible inset)
812 // so the dociterator may need to be
813 // shortened. Otherwise, setCursor may crash
814 // lyx when the cursor can not be set to these
816 size_t const n = dit.depth();
817 for (size_t i = 0; i < n; ++i)
818 if (!dit[i].inset().editable()) {
826 // if top_id == 0, or searching through top_id failed
827 // This is the case for a 'restored' bookmark when only bottom
828 // (document level) pit was saved. Because of this, bookmark
829 // restoration is inaccurate. If a bookmark was within an inset,
830 // it will be restored to the left of the outmost inset that contains
832 if (bottom_pit < int(buffer_.paragraphs().size())) {
833 dit = doc_iterator_begin(&buffer_);
835 dit.pit() = bottom_pit;
836 dit.pos() = min(bottom_pos, dit.paragraph().size());
841 // Note: only bottom (document) level pit is set.
843 // set the current font.
844 d->cursor_.setCurrentFont();
845 // Do not forget to reset the anchor (see #9912)
846 d->cursor_.resetAnchor();
847 processUpdateFlags(Update::FitCursor);
854 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
856 if (d->cursor_.real_current_font.isRightToLeft()) {
857 if (d->intl_.keymap == Intl::PRIMARY)
858 d->intl_.keyMapSec();
860 if (d->intl_.keymap == Intl::SECONDARY)
861 d->intl_.keyMapPrim();
864 d->intl_.getTransManager().translateAndInsert(c, t, cur);
868 int BufferView::workWidth() const
874 void BufferView::recenter()
876 showCursor(d->cursor_, true, true);
880 void BufferView::showCursor()
882 showCursor(d->cursor_, false, true);
886 void BufferView::showCursor(DocIterator const & dit,
887 bool recenter, bool update)
889 if (scrollToCursor(dit, recenter) && update)
890 processUpdateFlags(Update::Force);
894 void BufferView::scrollToCursor()
896 if (scrollToCursor(d->cursor_, false))
897 processUpdateFlags(Update::Force);
901 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
903 // We are not properly started yet, delay until resizing is
908 LYXERR(Debug::SCROLLING, "recentering!");
910 CursorSlice const & bot = dit.bottom();
911 TextMetrics & tm = d->text_metrics_[bot.text()];
913 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
914 int bot_pit = bot.pit();
915 if (bot_pit > max_pit) {
916 // FIXME: Why does this happen?
917 LYXERR0("bottom pit is greater that max pit: "
918 << bot_pit << " > " << max_pit);
922 if (bot_pit == tm.first().first - 1)
923 tm.newParMetricsUp();
924 else if (bot_pit == tm.last().first + 1)
925 tm.newParMetricsDown();
927 if (tm.contains(bot_pit)) {
928 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
929 LBUFERR(!pm.rows().empty());
930 // FIXME: smooth scrolling doesn't work in mathed.
931 CursorSlice const & cs = dit.innerTextSlice();
932 int offset = coordOffset(dit).y_;
933 int ypos = pm.position() + offset;
934 Dimension const & row_dim =
935 pm.getRow(cs.pos(), dit.boundary()).dimension();
938 scrolled = scroll(ypos - height_/2);
940 // We try to visualize the whole row, if the row height is larger than
941 // the screen height, we scroll to a heuristic value of height_ / 4.
942 // FIXME: This heuristic value should be replaced by a recursive search
943 // for a row in the inset that can be visualized completely.
944 else if (row_dim.height() > height_) {
945 if (ypos < defaultRowHeight())
946 scrolled = scroll(ypos - height_ / 4);
947 else if (ypos > height_ - defaultRowHeight())
948 scrolled = scroll(ypos - 3 * height_ / 4);
951 // If the top part of the row falls of the screen, we scroll
952 // up to align the top of the row with the top of the screen.
953 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
954 int ynew = row_dim.ascent();
955 scrolled = scrollUp(ynew - ypos);
958 // If the bottom of the row falls of the screen, we scroll down.
959 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
960 int ynew = height_ - row_dim.descent();
961 scrolled = scrollDown(ypos - ynew);
964 // else, nothing to do, the cursor is already visible so we just return.
965 return scrolled != 0;
968 // fix inline completion position
969 if (d->inlineCompletionPos_.fixIfBroken())
970 d->inlineCompletionPos_ = DocIterator();
972 tm.redoParagraph(bot_pit);
973 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
974 int offset = coordOffset(dit).y_;
976 d->anchor_pit_ = bot_pit;
977 CursorSlice const & cs = dit.innerTextSlice();
978 Dimension const & row_dim =
979 pm.getRow(cs.pos(), dit.boundary()).dimension();
982 d->anchor_ypos_ = height_/2;
983 else if (d->anchor_pit_ == 0)
984 d->anchor_ypos_ = offset + pm.ascent();
985 else if (d->anchor_pit_ == max_pit)
986 d->anchor_ypos_ = height_ - offset - row_dim.descent();
987 else if (offset > height_)
988 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
990 d->anchor_ypos_ = defaultRowHeight() * 2;
996 void BufferView::makeDocumentClass()
998 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
999 buffer_.params().makeDocumentClass();
1000 updateDocumentClass(olddc);
1004 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1006 message(_("Converting document to new document class..."));
1008 StableDocIterator backcur(d->cursor_);
1009 ErrorList & el = buffer_.errorList("Class Switch");
1010 cap::switchBetweenClasses(
1011 olddc, buffer_.params().documentClassPtr(),
1012 static_cast<InsetText &>(buffer_.inset()), el);
1014 setCursor(backcur.asDocIterator(&buffer_));
1016 buffer_.errors("Class Switch");
1020 /** Return the change status at cursor position, taking into account the
1021 * status at each level of the document iterator (a table in a deleted
1022 * footnote is deleted).
1023 * When \param outer is true, the top slice is not looked at.
1025 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1027 size_t const depth = dit.depth() - (outer ? 1 : 0);
1029 for (size_t i = 0 ; i < depth ; ++i) {
1030 CursorSlice const & slice = dit[i];
1031 if (!slice.inset().inMathed()
1032 && slice.pos() < slice.paragraph().size()) {
1033 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1034 if (ch != Change::UNCHANGED)
1038 return Change::UNCHANGED;
1042 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1044 FuncCode const act = cmd.action();
1046 // Can we use a readonly buffer?
1047 if (buffer_.isReadonly()
1048 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1049 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1050 if (buffer_.hasReadonlyFlag())
1051 flag.message(from_utf8(N_("Document is read-only")));
1053 flag.message(from_utf8(N_("Document has been modified externally")));
1054 flag.setEnabled(false);
1058 // Are we in a DELETED change-tracking region?
1059 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1060 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1061 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1062 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1063 flag.setEnabled(false);
1067 Cursor & cur = d->cursor_;
1069 if (cur.getStatus(cmd, flag))
1074 // FIXME: This is a bit problematic because we don't check if this is
1075 // a document BufferView or not for these LFUNs. We probably have to
1076 // dispatch both to currentBufferView() and, if that fails,
1077 // to documentBufferView(); same as we do now for current Buffer and
1078 // document Buffer. Ideally those LFUN should go to Buffer as they
1079 // operate on the full Buffer and the cursor is only needed either for
1080 // an Undo record or to restore a cursor position. But we don't know
1081 // how to do that inside Buffer of course.
1082 case LFUN_BUFFER_PARAMS_APPLY:
1083 case LFUN_LAYOUT_MODULES_CLEAR:
1084 case LFUN_LAYOUT_MODULE_ADD:
1085 case LFUN_LAYOUT_RELOAD:
1086 case LFUN_TEXTCLASS_APPLY:
1087 case LFUN_TEXTCLASS_LOAD:
1088 flag.setEnabled(!buffer_.isReadonly());
1092 // We do not use the LyXAction flag for readonly because Undo sets the
1093 // buffer clean/dirty status by itself.
1094 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1097 // We do not use the LyXAction flag for readonly because Redo sets the
1098 // buffer clean/dirty status by itself.
1099 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1101 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1102 case LFUN_FILE_INSERT_PLAINTEXT: {
1103 docstring const fname = cmd.argument();
1104 if (!FileName::isAbsolute(to_utf8(fname))) {
1105 flag.message(_("Absolute filename expected."));
1108 flag.setEnabled(cur.inTexted());
1111 case LFUN_FILE_INSERT:
1112 case LFUN_BOOKMARK_SAVE:
1113 // FIXME: Actually, these LFUNS should be moved to Text
1114 flag.setEnabled(cur.inTexted());
1117 case LFUN_FONT_STATE:
1118 case LFUN_LABEL_INSERT:
1119 case LFUN_INFO_INSERT:
1120 case LFUN_PARAGRAPH_GOTO:
1121 case LFUN_NOTE_NEXT:
1122 case LFUN_REFERENCE_NEXT:
1123 case LFUN_WORD_FIND:
1124 case LFUN_WORD_FIND_FORWARD:
1125 case LFUN_WORD_FIND_BACKWARD:
1126 case LFUN_WORD_REPLACE:
1129 case LFUN_MARK_TOGGLE:
1130 case LFUN_SCREEN_RECENTER:
1131 case LFUN_SCREEN_SHOW_CURSOR:
1132 case LFUN_BIBTEX_DATABASE_ADD:
1133 case LFUN_BIBTEX_DATABASE_DEL:
1134 case LFUN_STATISTICS:
1135 case LFUN_KEYMAP_OFF:
1136 case LFUN_KEYMAP_PRIMARY:
1137 case LFUN_KEYMAP_SECONDARY:
1138 case LFUN_KEYMAP_TOGGLE:
1139 case LFUN_INSET_SELECT_ALL:
1140 flag.setEnabled(true);
1143 case LFUN_GRAPHICS_UNIFY:
1144 flag.setEnabled(cur.selection());
1147 case LFUN_WORD_FINDADV: {
1148 FindAndReplaceOptions opt;
1149 istringstream iss(to_utf8(cmd.argument()));
1151 flag.setEnabled(opt.repl_buf_name.empty()
1152 || !buffer_.isReadonly());
1156 case LFUN_LABEL_GOTO:
1157 flag.setEnabled(!cmd.argument().empty()
1158 || getInsetByCode<InsetRef>(cur, REF_CODE));
1161 case LFUN_CHANGES_MERGE:
1162 case LFUN_CHANGE_NEXT:
1163 case LFUN_CHANGE_PREVIOUS:
1164 case LFUN_ALL_CHANGES_ACCEPT:
1165 case LFUN_ALL_CHANGES_REJECT:
1166 flag.setEnabled(buffer_.areChangesPresent());
1169 case LFUN_SCREEN_UP:
1170 case LFUN_SCREEN_DOWN:
1172 case LFUN_SCREEN_UP_SELECT:
1173 case LFUN_SCREEN_DOWN_SELECT:
1174 case LFUN_INSET_FORALL:
1175 flag.setEnabled(true);
1178 case LFUN_LAYOUT_TABULAR:
1179 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1183 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1186 case LFUN_LAYOUT_PARAGRAPH:
1187 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1190 case LFUN_BRANCH_ADD_INSERT:
1191 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1194 case LFUN_DIALOG_SHOW_NEW_INSET:
1195 // FIXME: this is wrong, but I do not understand the
1197 if (cur.inset().lyxCode() == CAPTION_CODE)
1198 return cur.inset().getStatus(cur, cmd, flag);
1199 // FIXME we should consider passthru paragraphs too.
1200 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1203 case LFUN_CITATION_INSERT: {
1204 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1205 // FIXME: This could turn in a recursive hell.
1206 // Shouldn't we use Buffer::getStatus() instead?
1207 flag.setEnabled(lyx::getStatus(fr).enabled());
1210 case LFUN_INSET_APPLY: {
1211 string const name = cmd.getArg(0);
1212 Inset * inset = editedInset(name);
1214 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1215 if (!inset->getStatus(cur, fr, flag)) {
1216 // Every inset is supposed to handle this
1217 LASSERT(false, break);
1220 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1221 flag = lyx::getStatus(fr);
1234 Inset * BufferView::editedInset(string const & name) const
1236 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1237 return it == d->edited_insets_.end() ? 0 : it->second;
1241 void BufferView::editInset(string const & name, Inset * inset)
1243 d->edited_insets_[name] = inset;
1247 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1249 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1251 string const argument = to_utf8(cmd.argument());
1252 Cursor & cur = d->cursor_;
1255 // Don't dispatch function that does not apply to internal buffers.
1256 if (buffer_.isInternal()
1257 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1260 // We'll set this back to false if need be.
1261 bool dispatched = true;
1262 buffer_.undo().beginUndoGroup();
1264 FuncCode const act = cmd.action();
1267 case LFUN_BUFFER_PARAMS_APPLY: {
1268 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1269 cur.recordUndoBufferParams();
1270 istringstream ss(to_utf8(cmd.argument()));
1273 int const unknown_tokens = buffer_.readHeader(lex);
1274 if (unknown_tokens != 0) {
1275 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1276 << unknown_tokens << " unknown token"
1277 << (unknown_tokens == 1 ? "" : "s"));
1279 updateDocumentClass(olddc);
1281 // We are most certainly here because of a change in the document
1282 // It is then better to make sure that all dialogs are in sync with
1283 // current document settings.
1284 dr.screenUpdate(Update::Force | Update::FitCursor);
1285 dr.forceBufferUpdate();
1289 case LFUN_LAYOUT_MODULES_CLEAR: {
1290 // FIXME: this modifies the document in cap::switchBetweenClasses
1291 // without calling recordUndo. Fix this before using
1292 // recordUndoBufferParams().
1293 cur.recordUndoFullBuffer();
1294 buffer_.params().clearLayoutModules();
1295 makeDocumentClass();
1296 dr.screenUpdate(Update::Force);
1297 dr.forceBufferUpdate();
1301 case LFUN_LAYOUT_MODULE_ADD: {
1302 BufferParams const & params = buffer_.params();
1303 if (!params.layoutModuleCanBeAdded(argument)) {
1304 LYXERR0("Module `" << argument <<
1305 "' cannot be added due to failed requirements or "
1306 "conflicts with installed modules.");
1309 // FIXME: this modifies the document in cap::switchBetweenClasses
1310 // without calling recordUndo. Fix this before using
1311 // recordUndoBufferParams().
1312 cur.recordUndoFullBuffer();
1313 buffer_.params().addLayoutModule(argument);
1314 makeDocumentClass();
1315 dr.screenUpdate(Update::Force);
1316 dr.forceBufferUpdate();
1320 case LFUN_TEXTCLASS_APPLY: {
1321 // since this shortcircuits, the second call is made only if
1323 bool const success =
1324 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1325 LayoutFileList::get().load(argument, buffer_.filePath());
1327 docstring s = bformat(_("The document class `%1$s' "
1328 "could not be loaded."), from_utf8(argument));
1329 frontend::Alert::error(_("Could not load class"), s);
1333 LayoutFile const * old_layout = buffer_.params().baseClass();
1334 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1336 if (old_layout == new_layout)
1340 // Save the old, possibly modular, layout for use in conversion.
1341 // FIXME: this modifies the document in cap::switchBetweenClasses
1342 // without calling recordUndo. Fix this before using
1343 // recordUndoBufferParams().
1344 cur.recordUndoFullBuffer();
1345 buffer_.params().setBaseClass(argument);
1346 makeDocumentClass();
1347 dr.screenUpdate(Update::Force);
1348 dr.forceBufferUpdate();
1352 case LFUN_TEXTCLASS_LOAD: {
1353 // since this shortcircuits, the second call is made only if
1355 bool const success =
1356 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1357 LayoutFileList::get().load(argument, buffer_.filePath());
1359 docstring s = bformat(_("The document class `%1$s' "
1360 "could not be loaded."), from_utf8(argument));
1361 frontend::Alert::error(_("Could not load class"), s);
1366 case LFUN_LAYOUT_RELOAD: {
1367 LayoutFileIndex bc = buffer_.params().baseClassID();
1368 LayoutFileList::get().reset(bc);
1369 buffer_.params().setBaseClass(bc);
1370 makeDocumentClass();
1371 dr.screenUpdate(Update::Force);
1372 dr.forceBufferUpdate();
1377 dr.setMessage(_("Undo"));
1378 cur.clearSelection();
1379 // We need to find out if the bibliography information
1380 // has changed. See bug #11055.
1381 // So these should not be references...
1382 LayoutModuleList const engines = buffer().params().citeEngine();
1383 CiteEngineType const enginetype = buffer().params().citeEngineType();
1384 if (!cur.textUndo())
1385 dr.setMessage(_("No further undo information"));
1387 dr.screenUpdate(Update::Force | Update::FitCursor);
1388 dr.forceBufferUpdate();
1389 if (buffer().params().citeEngine() != engines ||
1390 buffer().params().citeEngineType() != enginetype)
1391 buffer().invalidateCiteLabels();
1397 dr.setMessage(_("Redo"));
1398 cur.clearSelection();
1399 // We need to find out if the bibliography information
1400 // has changed. See bug #11055.
1401 // So these should not be references...
1402 LayoutModuleList const engines = buffer().params().citeEngine();
1403 CiteEngineType const enginetype = buffer().params().citeEngineType();
1404 if (!cur.textRedo())
1405 dr.setMessage(_("No further redo information"));
1407 dr.screenUpdate(Update::Force | Update::FitCursor);
1408 dr.forceBufferUpdate();
1409 if (buffer().params().citeEngine() != engines ||
1410 buffer().params().citeEngineType() != enginetype)
1411 buffer().invalidateCiteLabels();
1416 case LFUN_FONT_STATE:
1417 dr.setMessage(cur.currentState(false));
1420 case LFUN_BOOKMARK_SAVE:
1421 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1424 case LFUN_LABEL_GOTO: {
1425 docstring label = cmd.argument();
1426 if (label.empty()) {
1428 getInsetByCode<InsetRef>(cur, REF_CODE);
1430 label = inset->getParam("reference");
1431 // persistent=false: use temp_bookmark
1435 if (!label.empty()) {
1437 // at the moment, this is redundant, since gotoLabel will
1438 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1440 dr.screenUpdate(Update::Force | Update::FitCursor);
1445 case LFUN_PARAGRAPH_GOTO: {
1446 int const id = convert<int>(cmd.getArg(0));
1447 pos_type const pos = convert<int>(cmd.getArg(1));
1450 string const str_id_end = cmd.getArg(2);
1451 string const str_pos_end = cmd.getArg(3);
1453 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1454 b = theBufferList().next(b)) {
1457 cur.setCursor(b->getParFromID(id));
1459 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1463 LYXERR(Debug::INFO, "Paragraph " << cur.paragraph().id()
1464 << " found in buffer `"
1465 << b->absFileName() << "'.");
1467 if (b == &buffer_) {
1469 if (str_id_end.empty() || str_pos_end.empty()) {
1472 mouseSetCursor(cur);
1475 int const id_end = convert<int>(str_id_end);
1476 pos_type const pos_end = convert<int>(str_pos_end);
1477 success = setCursorFromEntries({id, pos},
1481 dr.screenUpdate(Update::Force | Update::FitCursor);
1483 // Switch to other buffer view and resend cmd
1484 lyx::dispatch(FuncRequest(
1485 LFUN_BUFFER_SWITCH, b->absFileName()));
1493 case LFUN_NOTE_NEXT:
1494 gotoInset(this, NOTE_CODE, false);
1497 case LFUN_REFERENCE_NEXT: {
1498 vector<InsetCode> tmp;
1499 tmp.push_back(LABEL_CODE);
1500 tmp.push_back(REF_CODE);
1501 gotoInset(this, tmp, true);
1505 case LFUN_CHANGE_NEXT:
1506 findNextChange(this);
1507 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1508 dr.screenUpdate(Update::Force | Update::FitCursor);
1511 case LFUN_CHANGE_PREVIOUS:
1512 findPreviousChange(this);
1513 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1514 dr.screenUpdate(Update::Force | Update::FitCursor);
1517 case LFUN_CHANGES_MERGE:
1518 if (findNextChange(this) || findPreviousChange(this)) {
1519 dr.screenUpdate(Update::Force | Update::FitCursor);
1520 dr.forceBufferUpdate();
1521 showDialog("changes");
1525 case LFUN_ALL_CHANGES_ACCEPT:
1526 // select complete document
1528 cur.selHandle(true);
1529 buffer_.text().cursorBottom(cur);
1530 // accept everything in a single step to support atomic undo
1531 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1533 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1534 dr.screenUpdate(Update::Force | Update::FitCursor);
1535 dr.forceBufferUpdate();
1538 case LFUN_ALL_CHANGES_REJECT:
1539 // select complete document
1541 cur.selHandle(true);
1542 buffer_.text().cursorBottom(cur);
1543 // reject everything in a single step to support atomic undo
1544 // Note: reject does not work recursively; the user may have to repeat the operation
1545 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1547 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1548 dr.screenUpdate(Update::Force | Update::FitCursor);
1549 dr.forceBufferUpdate();
1552 case LFUN_WORD_FIND_FORWARD:
1553 case LFUN_WORD_FIND_BACKWARD: {
1555 // Would it maybe be better if this variable were view specific anyway?
1556 static docstring last_search;
1557 docstring searched_string;
1559 if (!cmd.argument().empty()) {
1560 last_search = cmd.argument();
1561 searched_string = cmd.argument();
1563 searched_string = last_search;
1566 if (searched_string.empty())
1569 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1570 docstring const data =
1571 find2string(searched_string, true, false, fw);
1572 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1574 dr.screenUpdate(Update::Force | Update::FitCursor);
1578 case LFUN_WORD_FIND: {
1579 FuncRequest req = cmd;
1580 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1581 req = d->search_request_cache_;
1582 if (req.argument().empty()) {
1583 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1586 if (lyxfind(this, req))
1587 dr.screenUpdate(Update::Force | Update::FitCursor);
1589 d->search_request_cache_ = req;
1593 case LFUN_WORD_REPLACE: {
1594 bool has_deleted = false;
1595 if (cur.selection()) {
1596 DocIterator beg = cur.selectionBegin();
1597 DocIterator end = cur.selectionEnd();
1598 if (beg.pit() == end.pit()) {
1599 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1600 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1607 if (lyxreplace(this, cmd, has_deleted)) {
1608 dr.forceBufferUpdate();
1609 dr.screenUpdate(Update::Force | Update::FitCursor);
1614 case LFUN_WORD_FINDADV: {
1615 FindAndReplaceOptions opt;
1616 istringstream iss(to_utf8(cmd.argument()));
1618 if (findAdv(this, opt)) {
1619 dr.screenUpdate(Update::Force | Update::FitCursor);
1630 cur.clearSelection();
1631 dr.setMessage(from_utf8(N_("Mark off")));
1635 cur.clearSelection();
1637 dr.setMessage(from_utf8(N_("Mark on")));
1640 case LFUN_MARK_TOGGLE:
1641 cur.selection(false);
1644 dr.setMessage(from_utf8(N_("Mark removed")));
1647 dr.setMessage(from_utf8(N_("Mark set")));
1652 case LFUN_SCREEN_SHOW_CURSOR:
1656 case LFUN_SCREEN_RECENTER:
1660 case LFUN_BIBTEX_DATABASE_ADD: {
1661 Cursor tmpcur = cur;
1662 findInset(tmpcur, BIBTEX_CODE, false);
1663 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1666 if (inset->addDatabase(cmd.argument()))
1667 dr.forceBufferUpdate();
1672 case LFUN_BIBTEX_DATABASE_DEL: {
1673 Cursor tmpcur = cur;
1674 findInset(tmpcur, BIBTEX_CODE, false);
1675 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1678 if (inset->delDatabase(cmd.argument()))
1679 dr.forceBufferUpdate();
1684 case LFUN_GRAPHICS_UNIFY: {
1686 cur.recordUndoFullBuffer();
1688 DocIterator from, to;
1689 from = cur.selectionBegin();
1690 to = cur.selectionEnd();
1692 string const newId = cmd.getArg(0);
1693 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1695 InsetGraphicsParams grp_par;
1697 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1699 if (!from.nextInset()) //move to closest inset
1700 from.forwardInset();
1702 while (!from.empty() && from < to) {
1703 Inset * inset = from.nextInset();
1706 if (inset->lyxCode() == GRAPHICS_CODE) {
1707 InsetGraphics & ig = static_cast<InsetGraphics &>(*inset);
1708 InsetGraphicsParams inspar = ig.getParams();
1713 grp_par.filename = inspar.filename;
1714 ig.setParams(grp_par);
1717 from.forwardInset();
1719 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1723 case LFUN_STATISTICS: {
1724 DocIterator from, to;
1725 if (cur.selection()) {
1726 from = cur.selectionBegin();
1727 to = cur.selectionEnd();
1729 from = doc_iterator_begin(&buffer_);
1730 to = doc_iterator_end(&buffer_);
1732 buffer_.updateStatistics(from, to);
1733 int const words = buffer_.wordCount();
1734 int const chars = buffer_.charCount(false);
1735 int const chars_blanks = buffer_.charCount(true);
1737 if (cur.selection())
1738 message = _("Statistics for the selection:");
1740 message = _("Statistics for the document:");
1743 message += bformat(_("%1$d words"), words);
1745 message += _("One word");
1747 if (chars_blanks != 1)
1748 message += bformat(_("%1$d characters (including blanks)"),
1751 message += _("One character (including blanks)");
1754 message += bformat(_("%1$d characters (excluding blanks)"),
1757 message += _("One character (excluding blanks)");
1759 Alert::information(_("Statistics"), message);
1763 case LFUN_SCREEN_UP:
1764 case LFUN_SCREEN_DOWN: {
1765 Point p = getPos(cur);
1766 // This code has been commented out to enable to scroll down a
1767 // document, even if there are large insets in it (see bug #5465).
1768 /*if (p.y_ < 0 || p.y_ > height_) {
1769 // The cursor is off-screen so recenter before proceeding.
1773 int const scrolled = scroll(act == LFUN_SCREEN_UP
1774 ? -height_ : height_);
1775 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1777 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1778 p = Point(width_, height_);
1779 bool const in_texted = cur.inTexted();
1780 cur.setCursor(doc_iterator_begin(cur.buffer()));
1781 cur.selHandle(false);
1782 // Force an immediate computation of metrics because we need it below
1783 processUpdateFlags(Update::Force);
1785 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1786 true, act == LFUN_SCREEN_UP);
1787 //FIXME: what to do with cur.x_target()?
1788 bool update = in_texted && cur.bv().checkDepm(cur, old);
1791 if (update || cur.mark())
1792 dr.screenUpdate(Update::Force | Update::FitCursor);
1794 dr.forceBufferUpdate();
1799 string const scroll_type = cmd.getArg(0);
1800 int scroll_step = 0;
1801 if (scroll_type == "line")
1802 scroll_step = d->scrollbarParameters_.single_step;
1803 else if (scroll_type == "page")
1804 scroll_step = d->scrollbarParameters_.page_step;
1807 string const scroll_quantity = cmd.getArg(1);
1808 if (scroll_quantity == "up")
1809 scrollUp(scroll_step);
1810 else if (scroll_quantity == "down")
1811 scrollDown(scroll_step);
1813 int const scroll_value = convert<int>(scroll_quantity);
1815 scroll(scroll_step * scroll_value);
1817 dr.screenUpdate(Update::ForceDraw);
1818 dr.forceBufferUpdate();
1822 case LFUN_SCREEN_UP_SELECT: {
1823 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1824 cur.selHandle(true);
1825 if (isTopScreen()) {
1826 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1830 int y = getPos(cur).y_;
1831 int const ymin = y - height_ + defaultRowHeight();
1832 while (y > ymin && cur.up())
1836 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1840 case LFUN_SCREEN_DOWN_SELECT: {
1841 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1842 cur.selHandle(true);
1843 if (isBottomScreen()) {
1844 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1848 int y = getPos(cur).y_;
1849 int const ymax = y + height_ - defaultRowHeight();
1850 while (y < ymax && cur.down())
1854 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1859 case LFUN_INSET_SELECT_ALL: {
1860 // true if all cells are selected
1861 bool const all_selected = cur.depth() > 1
1862 && cur.selBegin().at_begin()
1863 && cur.selEnd().at_end();
1864 // true if some cells are selected
1865 bool const cells_selected = cur.depth() > 1
1866 && cur.selBegin().at_cell_begin()
1867 && cur.selEnd().at_cell_end();
1868 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1869 // All the contents of the inset if selected, or only at
1870 // least one cell but inset is not a table.
1871 // Select the inset from outside.
1874 cur.selection(true);
1876 } else if (cells_selected) {
1877 // At least one complete cell is selected and inset is a table.
1882 cur.selection(true);
1883 cur.idx() = cur.lastidx();
1884 cur.pos() = cur.lastpos();
1886 // select current cell
1890 cur.selection(true);
1891 cur.pit() = cur.lastpit();
1892 cur.pos() = cur.lastpos();
1894 cur.setCurrentFont();
1895 dr.screenUpdate(Update::Force);
1900 case LFUN_UNICODE_INSERT: {
1901 if (cmd.argument().empty())
1904 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1905 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1908 docstring const arg = from_utf8(cmd.getArg(i));
1912 LYXERR0("Not a hexstring: " << arg);
1916 char_type c = hexToInt(arg);
1917 if (c >= 32 && c < 0x10ffff) {
1918 LYXERR(Debug::KEY, "Inserting c: " << c);
1919 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1927 // This would be in Buffer class if only Cursor did not
1928 // require a bufferview
1929 case LFUN_INSET_FORALL: {
1930 docstring const name = from_utf8(cmd.getArg(0));
1931 string const commandstr = cmd.getLongArg(1);
1932 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1934 // an arbitrary number to limit number of iterations
1935 const int max_iter = 100000;
1937 Cursor & cur = d->cursor_;
1938 Cursor const savecur = cur;
1940 if (!cur.nextInset())
1942 cur.beginUndoGroup();
1943 while(cur && iterations < max_iter) {
1944 Inset * const ins = cur.nextInset();
1947 docstring insname = ins->layoutName();
1948 while (!insname.empty()) {
1949 if (insname == name || name == from_utf8("*")) {
1951 lyx::dispatch(fr, dr);
1955 size_t const i = insname.rfind(':');
1956 if (i == string::npos)
1958 insname = insname.substr(0, i);
1960 // if we did not delete the inset, skip it
1961 if (!cur.nextInset() || cur.nextInset() == ins)
1966 /** This is a dummy undo record only to remember the cursor
1967 * that has just been set; this will be used on a redo action
1968 * (see ticket #10097)
1970 * FIXME: a better fix would be to have a way to set the
1971 * cursor value directly, but I am not sure it is worth it.
1975 dr.screenUpdate(Update::Force);
1976 dr.forceBufferUpdate();
1978 if (iterations >= max_iter) {
1980 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
1982 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
1987 case LFUN_BRANCH_ADD_INSERT: {
1988 docstring branch_name = from_utf8(cmd.getArg(0));
1989 if (branch_name.empty())
1990 if (!Alert::askForText(branch_name, _("Branch name")) ||
1991 branch_name.empty())
1994 DispatchResult drtmp;
1995 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
1996 if (drtmp.error()) {
1997 Alert::warning(_("Branch already exists"), drtmp.message());
2000 BranchList & branch_list = buffer_.params().branchlist();
2001 vector<docstring> const branches =
2002 getVectorFromString(branch_name, branch_list.separator());
2003 for (vector<docstring>::const_iterator it = branches.begin();
2004 it != branches.end(); ++it) {
2006 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch_name));
2011 case LFUN_KEYMAP_OFF:
2012 getIntl().keyMapOn(false);
2015 case LFUN_KEYMAP_PRIMARY:
2016 getIntl().keyMapPrim();
2019 case LFUN_KEYMAP_SECONDARY:
2020 getIntl().keyMapSec();
2023 case LFUN_KEYMAP_TOGGLE:
2024 getIntl().toggleKeyMap();
2027 case LFUN_DIALOG_SHOW_NEW_INSET: {
2028 string const name = cmd.getArg(0);
2029 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2030 if (decodeInsetParam(name, data, buffer_))
2031 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2033 lyxerr << "Inset type '" << name <<
2034 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2038 case LFUN_CITATION_INSERT: {
2039 if (argument.empty()) {
2040 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2043 // we can have one optional argument, delimited by '|'
2044 // citation-insert <key>|<text_before>
2045 // this should be enhanced to also support text_after
2046 // and citation style
2047 string arg = argument;
2049 if (contains(argument, "|")) {
2050 arg = token(argument, '|', 0);
2051 opt1 = token(argument, '|', 1);
2054 // if our cursor is directly in front of or behind a citation inset,
2055 // we will instead add the new key to it.
2056 Inset * inset = cur.nextInset();
2057 if (!inset || inset->lyxCode() != CITE_CODE)
2058 inset = cur.prevInset();
2059 if (inset && inset->lyxCode() == CITE_CODE) {
2060 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2061 if (icite->addKey(arg)) {
2062 dr.forceBufferUpdate();
2063 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2065 LYXERR0("Discarding optional argument to citation-insert.");
2070 InsetCommandParams icp(CITE_CODE);
2071 icp["key"] = from_utf8(arg);
2073 icp["before"] = from_utf8(opt1);
2075 from_ascii(InsetCitation::last_literal ? "true" : "false");
2076 string icstr = InsetCommand::params2string(icp);
2077 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2082 case LFUN_INSET_APPLY: {
2083 string const name = cmd.getArg(0);
2084 Inset * inset = editedInset(name);
2086 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2090 // put cursor in front of inset.
2091 if (!setCursorFromInset(inset)) {
2092 LASSERT(false, break);
2095 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2096 inset->dispatch(cur, fr);
2097 dr.screenUpdate(cur.result().screenUpdate());
2098 if (cur.result().needBufferUpdate())
2099 dr.forceBufferUpdate();
2104 // The change of language of buffer belongs to the Buffer class.
2105 // We have to do it here because we need a cursor for Undo.
2106 // When Undo::recordUndoBufferParams() is implemented someday
2107 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2108 case LFUN_BUFFER_LANGUAGE: {
2109 Language const * oldL = buffer_.params().language;
2110 Language const * newL = languages.getLanguage(argument);
2111 if (!newL || oldL == newL)
2113 if (oldL->rightToLeft() == newL->rightToLeft()) {
2114 cur.recordUndoFullBuffer();
2115 buffer_.changeLanguage(oldL, newL);
2116 cur.setCurrentFont();
2117 dr.forceBufferUpdate();
2122 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2123 case LFUN_FILE_INSERT_PLAINTEXT: {
2124 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2125 string const fname = to_utf8(cmd.argument());
2126 if (!FileName::isAbsolute(fname))
2127 dr.setMessage(_("Absolute filename expected."));
2129 insertPlaintextFile(FileName(fname), as_paragraph);
2134 // OK, so try the Buffer itself...
2135 buffer_.dispatch(cmd, dr);
2136 dispatched = dr.dispatched();
2140 buffer_.undo().endUndoGroup();
2141 dr.dispatched(dispatched);
2143 // NOTE: The code below is copied from Cursor::dispatch. If you
2144 // need to modify this, please update the other one too.
2146 // notify insets we just entered/left
2147 if (cursor() != old) {
2148 old.beginUndoGroup();
2150 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2152 cursor().fixIfBroken();
2153 resetInlineCompletionPos();
2160 docstring const BufferView::requestSelection()
2162 Cursor & cur = d->cursor_;
2164 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2165 if (!cur.selection()) {
2166 d->xsel_cache_.set = false;
2170 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2171 if (!d->xsel_cache_.set ||
2172 cur.top() != d->xsel_cache_.cursor ||
2173 cur.realAnchor().top() != d->xsel_cache_.anchor)
2175 d->xsel_cache_.cursor = cur.top();
2176 d->xsel_cache_.anchor = cur.realAnchor().top();
2177 d->xsel_cache_.set = cur.selection();
2178 return cur.selectionAsString(false);
2184 void BufferView::clearSelection()
2186 d->cursor_.clearSelection();
2187 // Clear the selection buffer. Otherwise a subsequent
2188 // middle-mouse-button paste would use the selection buffer,
2189 // not the more current external selection.
2190 cap::clearSelection();
2191 d->xsel_cache_.set = false;
2192 // The buffer did not really change, but this causes the
2193 // redraw we need because we cleared the selection above.
2194 buffer_.changed(false);
2198 void BufferView::resize(int width, int height)
2200 // Update from work area
2204 // Clear the paragraph height cache.
2205 d->par_height_.clear();
2206 // Redo the metrics.
2211 Inset const * BufferView::getCoveringInset(Text const & text,
2214 TextMetrics & tm = d->text_metrics_[&text];
2215 Inset * inset = tm.checkInsetHit(x, y);
2219 if (!inset->descendable(*this))
2220 // No need to go further down if the inset is not
2224 size_t cell_number = inset->nargs();
2225 // Check all the inner cell.
2226 for (size_t i = 0; i != cell_number; ++i) {
2227 Text const * inner_text = inset->getText(i);
2230 Inset const * inset_deeper =
2231 getCoveringInset(*inner_text, x, y);
2233 return inset_deeper;
2241 void BufferView::updateHoveredInset() const
2243 // Get inset under mouse, if there is one.
2244 int const x = d->mouse_position_cache_.x_;
2245 int const y = d->mouse_position_cache_.y_;
2246 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2248 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2250 if (covering_inset == d->last_inset_)
2251 // Same inset, no need to do anything...
2254 bool need_redraw = false;
2255 if (d->last_inset_) {
2256 // Remove the hint on the last hovered inset (if any).
2257 need_redraw |= d->last_inset_->setMouseHover(this, false);
2261 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2263 // Only the insets that accept the hover state, do
2264 // clear the last_inset_, so only set the last_inset_
2265 // member if the hovered setting is accepted.
2266 d->last_inset_ = covering_inset;
2270 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2271 << d->mouse_position_cache_.x_ << ", "
2272 << d->mouse_position_cache_.y_ << ")");
2274 d->update_strategy_ = DecorationUpdate;
2276 // This event (moving without mouse click) is not passed further.
2277 // This should be changed if it is further utilized.
2278 buffer_.changed(false);
2283 void BufferView::clearLastInset(Inset * inset) const
2285 if (d->last_inset_ != inset) {
2286 LYXERR0("Wrong last_inset!");
2293 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2295 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2297 // This is only called for mouse related events including
2298 // LFUN_FILE_OPEN generated by drag-and-drop.
2299 FuncRequest cmd = cmd0;
2301 Cursor old = cursor();
2303 cur.push(buffer_.inset());
2304 cur.selection(d->cursor_.selection());
2306 // Either the inset under the cursor or the
2307 // surrounding Text will handle this event.
2309 // make sure we stay within the screen...
2310 cmd.set_y(min(max(cmd.y(), -1), height_));
2312 d->mouse_position_cache_.x_ = cmd.x();
2313 d->mouse_position_cache_.y_ = cmd.y();
2315 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2316 updateHoveredInset();
2320 // Build temporary cursor.
2321 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2323 // If inset is not editable, cur.pos() might point behind the
2324 // inset (depending on cmd.x(), cmd.y()). This is needed for
2325 // editing to fix bug 9628, but e.g. the context menu needs a
2326 // cursor in front of the inset.
2327 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2328 || inset->lyxCode() == SEPARATOR_CODE) &&
2329 cur.nextInset() != inset && cur.prevInset() == inset)
2331 } else if (cur.inTexted() && cur.pos()
2332 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2333 // Always place cursor in front of a separator inset.
2337 // Put anchor at the same position.
2340 cur.beginUndoGroup();
2342 // Try to dispatch to an non-editable inset near this position
2343 // via the temp cursor. If the inset wishes to change the real
2344 // cursor it has to do so explicitly by using
2345 // cur.bv().cursor() = cur; (or similar)
2347 inset->dispatch(cur, cmd);
2349 // Now dispatch to the temporary cursor. If the real cursor should
2350 // be modified, the inset's dispatch has to do so explicitly.
2351 if (!inset || !cur.result().dispatched())
2354 // Notify left insets
2356 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2357 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2359 cursor().fixIfBroken();
2364 // Do we have a selection?
2365 theSelection().haveSelection(cursor().selection());
2367 if (cur.needBufferUpdate()) {
2368 cur.clearBufferUpdate();
2369 buffer().updateBuffer();
2372 // If the command has been dispatched,
2373 if (cur.result().dispatched() || cur.result().screenUpdate())
2374 processUpdateFlags(cur.result().screenUpdate());
2378 int BufferView::minVisiblePart()
2380 return 2 * defaultRowHeight();
2384 int BufferView::scroll(int y)
2387 return scrollDown(y);
2389 return scrollUp(-y);
2394 int BufferView::scrollDown(int offset)
2396 Text * text = &buffer_.text();
2397 TextMetrics & tm = d->text_metrics_[text];
2398 int const ymax = height_ + offset;
2400 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2401 int bottom_pos = last.second->position() + last.second->descent();
2402 if (lyxrc.scroll_below_document)
2403 bottom_pos += height_ - minVisiblePart();
2404 if (last.first + 1 == int(text->paragraphs().size())) {
2405 if (bottom_pos <= height_)
2407 offset = min(offset, bottom_pos - height_);
2410 if (bottom_pos > ymax)
2412 tm.newParMetricsDown();
2414 d->anchor_ypos_ -= offset;
2419 int BufferView::scrollUp(int offset)
2421 Text * text = &buffer_.text();
2422 TextMetrics & tm = d->text_metrics_[text];
2423 int ymin = - offset;
2425 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2426 int top_pos = first.second->position() - first.second->ascent();
2427 if (first.first == 0) {
2430 offset = min(offset, - top_pos);
2435 tm.newParMetricsUp();
2437 d->anchor_ypos_ += offset;
2442 bool BufferView::setCursorFromRow(int row)
2444 TexRow::TextEntry start, end;
2445 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2446 LYXERR(Debug::LATEX,
2447 "setCursorFromRow: for row " << row << ", TexRow has found "
2448 "start (id=" << start.id << ",pos=" << start.pos << "), "
2449 "end (id=" << end.id << ",pos=" << end.pos << ")");
2450 return setCursorFromEntries(start, end);
2454 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2455 TexRow::TextEntry end)
2457 DocIterator dit_start, dit_end;
2458 tie(dit_start,dit_end) =
2459 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2462 // Setting selection start
2463 d->cursor_.clearSelection();
2464 setCursor(dit_start);
2465 // Setting selection end
2467 d->cursor_.resetAnchor();
2468 setCursorSelectionTo(dit_end);
2474 bool BufferView::setCursorFromInset(Inset const * inset)
2476 // are we already there?
2477 if (cursor().nextInset() == inset)
2480 // Inset is not at cursor position. Find it in the document.
2483 while (cur && cur.nextInset() != inset)
2494 void BufferView::gotoLabel(docstring const & label)
2496 ListOfBuffers bufs = buffer().allRelatives();
2497 ListOfBuffers::iterator it = bufs.begin();
2498 for (; it != bufs.end(); ++it) {
2499 Buffer const * buf = *it;
2502 shared_ptr<Toc> toc = buf->tocBackend().toc("label");
2503 Toc::const_iterator toc_it = toc->begin();
2504 Toc::const_iterator end = toc->end();
2505 for (; toc_it != end; ++toc_it) {
2506 if (label == toc_it->str()) {
2507 lyx::dispatch(toc_it->action());
2515 TextMetrics const & BufferView::textMetrics(Text const * t) const
2517 return const_cast<BufferView *>(this)->textMetrics(t);
2521 TextMetrics & BufferView::textMetrics(Text const * t)
2524 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2525 if (tmc_it == d->text_metrics_.end()) {
2526 tmc_it = d->text_metrics_.insert(
2527 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2529 return tmc_it->second;
2533 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2536 return textMetrics(t).parMetrics(pit);
2540 int BufferView::workHeight() const
2546 void BufferView::setCursor(DocIterator const & dit)
2549 size_t const n = dit.depth();
2550 for (size_t i = 0; i < n; ++i)
2551 dit[i].inset().edit(d->cursor_, true);
2553 d->cursor_.setCursor(dit);
2554 d->cursor_.selection(false);
2555 d->cursor_.setCurrentFont();
2557 // It seems on general grounds as if this is probably needed, but
2558 // it is not yet clear.
2559 // See bug #7394 and r38388.
2560 // d->cursor.resetAnchor();
2564 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2566 size_t const n = dit.depth();
2567 for (size_t i = 0; i < n; ++i)
2568 dit[i].inset().edit(d->cursor_, true);
2570 d->cursor_.selection(true);
2571 d->cursor_.setCursorSelectionTo(dit);
2572 d->cursor_.setCurrentFont();
2576 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2578 // Would be wrong to delete anything if we have a selection.
2579 if (cur.selection())
2582 bool need_anchor_change = false;
2583 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
2584 need_anchor_change);
2586 if (need_anchor_change)
2594 // we would rather not do this here, but it needs to be done before
2595 // the changed() signal is sent.
2596 buffer_.updateBuffer();
2598 buffer_.changed(true);
2603 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2605 LASSERT(&cur.bv() == this, return false);
2608 // this event will clear selection so we save selection for
2609 // persistent selection
2610 cap::saveSelection(cursor());
2612 d->cursor_.macroModeClose();
2613 // If a macro has been finalized, the cursor might have been broken
2616 // Has the cursor just left the inset?
2617 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2619 d->cursor_.fixIfBroken();
2621 // do the dEPM magic if needed
2622 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2623 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2624 // the leftinset bool would not be necessary (badcursor instead).
2625 bool update = leftinset;
2628 d->cursor_.setSelection();
2629 d->cursor_.setCursorSelectionTo(cur);
2631 if (d->cursor_.inTexted())
2632 update |= checkDepm(cur, d->cursor_);
2633 d->cursor_.resetAnchor();
2634 d->cursor_.setCursor(cur);
2635 d->cursor_.clearSelection();
2637 d->cursor_.boundary(cur.boundary());
2638 d->cursor_.finishUndo();
2639 d->cursor_.setCurrentFont();
2641 cur.forceBufferUpdate();
2646 void BufferView::putSelectionAt(DocIterator const & cur,
2647 int length, bool backwards)
2649 d->cursor_.clearSelection();
2655 d->cursor_.pos() += length;
2656 d->cursor_.setSelection(d->cursor_, -length);
2658 d->cursor_.setSelection(d->cursor_, length);
2663 bool BufferView::selectIfEmpty(DocIterator & cur)
2665 if ((cur.inTexted() && !cur.paragraph().empty())
2666 || (cur.inMathed() && !cur.cell().empty()))
2669 pit_type const beg_pit = cur.pit();
2671 // The paragraph associated to this item isn't
2672 // the first one, so it can be selected
2675 // We have to resort to select the space between the
2676 // end of this item and the begin of the next one
2680 // If it is the only item in the document,
2681 // nothing can be selected
2684 pit_type const end_pit = cur.pit();
2685 pos_type const end_pos = cur.pos();
2686 d->cursor_.clearSelection();
2688 d->cursor_.setCursor(cur);
2689 d->cursor_.pit() = beg_pit;
2690 d->cursor_.pos() = 0;
2691 d->cursor_.selection(false);
2692 d->cursor_.resetAnchor();
2693 d->cursor_.pit() = end_pit;
2694 d->cursor_.pos() = end_pos;
2695 d->cursor_.setSelection();
2700 Cursor & BufferView::cursor()
2706 Cursor const & BufferView::cursor() const
2712 pit_type BufferView::anchor_ref() const
2714 return d->anchor_pit_;
2718 bool BufferView::singleParUpdate()
2720 Text & buftext = buffer_.text();
2721 pit_type const bottom_pit = d->cursor_.bottom().pit();
2722 TextMetrics & tm = textMetrics(&buftext);
2723 int old_height = tm.parMetrics(bottom_pit).height();
2725 // make sure inline completion pointer is ok
2726 if (d->inlineCompletionPos_.fixIfBroken())
2727 d->inlineCompletionPos_ = DocIterator();
2729 // In Single Paragraph mode, rebreak only
2730 // the (main text, not inset!) paragraph containing the cursor.
2731 // (if this paragraph contains insets etc., rebreaking will
2732 // recursively descend)
2733 tm.redoParagraph(bottom_pit);
2734 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2735 if (pm.height() != old_height)
2736 // Paragraph height has changed so we cannot proceed to
2737 // the singlePar optimisation.
2740 tm.updatePosCache(bottom_pit);
2742 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2743 << " y2: " << pm.position() + pm.descent()
2744 << " pit: " << bottom_pit
2745 << " singlepar: 1");
2750 void BufferView::updateMetrics()
2752 updateMetrics(d->update_flags_);
2753 d->update_strategy_ = FullScreenUpdate;
2757 void BufferView::updateMetrics(Update::flags & update_flags)
2759 if (height_ == 0 || width_ == 0)
2762 Text & buftext = buffer_.text();
2763 pit_type const npit = int(buftext.paragraphs().size());
2765 // Clear out the position cache in case of full screen redraw,
2766 d->coord_cache_.clear();
2768 // Clear out paragraph metrics to avoid having invalid metrics
2769 // in the cache from paragraphs not relayouted below
2770 // The complete text metrics will be redone.
2771 d->text_metrics_.clear();
2773 TextMetrics & tm = textMetrics(&buftext);
2775 // make sure inline completion pointer is ok
2776 if (d->inlineCompletionPos_.fixIfBroken())
2777 d->inlineCompletionPos_ = DocIterator();
2779 if (d->anchor_pit_ >= npit)
2780 // The anchor pit must have been deleted...
2781 d->anchor_pit_ = npit - 1;
2783 // Rebreak anchor paragraph.
2784 tm.redoParagraph(d->anchor_pit_);
2785 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2788 if (d->anchor_pit_ == 0) {
2789 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2791 // Complete buffer visible? Then it's easy.
2792 if (scrollRange == 0)
2793 d->anchor_ypos_ = anchor_pm.ascent();
2795 // avoid empty space above the first row
2796 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2799 anchor_pm.setPosition(d->anchor_ypos_);
2800 tm.updatePosCache(d->anchor_pit_);
2802 LYXERR(Debug::PAINTING, "metrics: "
2803 << " anchor pit = " << d->anchor_pit_
2804 << " anchor ypos = " << d->anchor_ypos_);
2806 // Redo paragraphs above anchor if necessary.
2807 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2808 // We are now just above the anchor paragraph.
2809 pit_type pit1 = d->anchor_pit_ - 1;
2810 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2811 tm.redoParagraph(pit1);
2812 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2814 // Save the paragraph position in the cache.
2816 tm.updatePosCache(pit1);
2820 // Redo paragraphs below the anchor if necessary.
2821 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2822 // We are now just below the anchor paragraph.
2823 pit_type pit2 = d->anchor_pit_ + 1;
2824 for (; pit2 < npit && y2 <= height_; ++pit2) {
2825 tm.redoParagraph(pit2);
2826 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2828 // Save the paragraph position in the cache.
2830 tm.updatePosCache(pit2);
2834 LYXERR(Debug::PAINTING, "Metrics: "
2835 << " anchor pit = " << d->anchor_pit_
2836 << " anchor ypos = " << d->anchor_ypos_
2839 << " pit1 = " << pit1
2840 << " pit2 = " << pit2);
2842 // metrics is done, full drawing is necessary now
2843 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2845 // Now update the positions of insets in the cache.
2848 if (lyxerr.debugging(Debug::WORKAREA)) {
2849 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2850 d->coord_cache_.dump();
2855 void BufferView::updatePosCache()
2857 // this is the "nodraw" drawing stage: only set the positions of the
2858 // insets in metrics cache.
2859 frontend::NullPainter np;
2864 void BufferView::insertLyXFile(FileName const & fname)
2866 LASSERT(d->cursor_.inTexted(), return);
2868 // Get absolute path of file and add ".lyx"
2869 // to the filename if necessary
2870 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2872 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2873 // emit message signal.
2874 message(bformat(_("Inserting document %1$s..."), disp_fn));
2877 Buffer buf(filename.absFileName(), false);
2878 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2879 ErrorList & el = buffer_.errorList("Parse");
2880 // Copy the inserted document error list into the current buffer one.
2881 el = buf.errorList("Parse");
2882 buffer_.undo().recordUndo(d->cursor_);
2883 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2884 buf.params().documentClassPtr(), el);
2885 res = _("Document %1$s inserted.");
2887 res = _("Could not insert document %1$s");
2890 buffer_.changed(true);
2891 // emit message signal.
2892 message(bformat(res, disp_fn));
2896 Point BufferView::coordOffset(DocIterator const & dit) const
2902 // Addup contribution of nested insets, from inside to outside,
2903 // keeping the outer paragraph for a special handling below
2904 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2905 CursorSlice const & sl = dit[i];
2909 // get relative position inside sl.inset()
2910 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2912 // Make relative position inside of the edited inset relative to sl.inset()
2916 // In case of an RTL inset, the edited inset will be positioned to the left
2919 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2920 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2925 // remember width for the case that sl.inset() is positioned in an RTL inset
2926 lastw = sl.inset().dimension(*this).wid;
2928 //lyxerr << "Cursor::getPos, i: "
2929 // << i << " x: " << xx << " y: " << y << endl;
2932 // Add contribution of initial rows of outermost paragraph
2933 CursorSlice const & sl = dit[0];
2934 TextMetrics const & tm = textMetrics(sl.text());
2935 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2937 LBUFERR(!pm.rows().empty());
2938 y -= pm.rows()[0].ascent();
2940 // FIXME: document this mess
2942 if (sl.pos() > 0 && dit.depth() == 1) {
2944 if (pos && dit.boundary())
2946 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2947 rend = pm.pos2row(pos);
2949 rend = pm.pos2row(sl.pos());
2951 size_t rend = pm.pos2row(sl.pos());
2953 for (size_t rit = 0; rit != rend; ++rit)
2954 y += pm.rows()[rit].height();
2955 y += pm.rows()[rend].ascent();
2957 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2959 // Make relative position from the nested inset now bufferview absolute.
2960 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2963 // In the RTL case place the nested inset at the left of the cursor in
2964 // the outer paragraph
2965 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2966 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2974 Point BufferView::getPos(DocIterator const & dit) const
2976 if (!paragraphVisible(dit))
2977 return Point(-1, -1);
2979 CursorSlice const & bot = dit.bottom();
2980 TextMetrics const & tm = textMetrics(bot.text());
2982 // offset from outer paragraph
2983 Point p = coordOffset(dit);
2984 p.y_ += tm.parMetrics(bot.pit()).position();
2989 bool BufferView::paragraphVisible(DocIterator const & dit) const
2991 CursorSlice const & bot = dit.bottom();
2992 TextMetrics const & tm = textMetrics(bot.text());
2994 return tm.contains(bot.pit());
2998 void BufferView::setCaretAscentDescent(int asc, int des)
3000 d->caret_ascent_ = asc;
3001 d->caret_descent_ = des;
3005 void BufferView::caretPosAndHeight(Point & p, int & h) const
3008 Cursor const & cur = cursor();
3009 if (cur.inMathed()) {
3010 asc = d->caret_ascent_;
3011 des = d->caret_descent_;
3013 Font const font = cur.real_current_font;
3014 frontend::FontMetrics const & fm = theFontMetrics(font);
3015 asc = fm.maxAscent();
3016 des = fm.maxDescent();
3024 bool BufferView::cursorInView(Point const & p, int h) const
3026 Cursor const & cur = cursor();
3027 // does the cursor touch the screen ?
3028 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3034 int BufferView::horizScrollOffset() const
3036 return d->horiz_scroll_offset_;
3040 int BufferView::horizScrollOffset(Text const * text,
3041 pit_type pit, pos_type pos) const
3043 // Is this a row that is currently scrolled?
3044 if (!d->current_row_slice_.empty()
3045 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3046 && pit == d->current_row_slice_.pit()
3047 && pos == d->current_row_slice_.pos())
3048 return d->horiz_scroll_offset_;
3053 bool BufferView::hadHorizScrollOffset(Text const * text,
3054 pit_type pit, pos_type pos) const
3056 return !d->last_row_slice_.empty()
3057 && &text->inset() == d->last_row_slice_.inset().asInsetText()
3058 && pit == d->last_row_slice_.pit()
3059 && pos == d->last_row_slice_.pos();
3063 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3065 // nothing to do if the cursor was already on this row
3066 if (d->current_row_slice_ == rowSlice) {
3067 d->last_row_slice_ = CursorSlice();
3071 // if the (previous) current row was scrolled, we have to
3072 // remember it in order to repaint it next time.
3073 if (d->horiz_scroll_offset_ != 0)
3074 d->last_row_slice_ = d->current_row_slice_;
3076 d->last_row_slice_ = CursorSlice();
3078 // Since we changed row, the scroll offset is not valid anymore
3079 d->horiz_scroll_offset_ = 0;
3080 d->current_row_slice_ = rowSlice;
3084 void BufferView::checkCursorScrollOffset()
3086 CursorSlice rowSlice = d->cursor_.bottom();
3087 TextMetrics const & tm = textMetrics(rowSlice.text());
3089 // Stop if metrics have not been computed yet, since it means
3090 // that there is nothing to do.
3091 if (!tm.contains(rowSlice.pit()))
3093 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3094 Row const & row = pm.getRow(rowSlice.pos(),
3095 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3096 rowSlice.pos() = row.pos();
3098 // Set the row on which the cursor lives.
3099 setCurrentRowSlice(rowSlice);
3101 // Current x position of the cursor in pixels
3102 int cur_x = getPos(d->cursor_).x_;
3104 // Horizontal scroll offset of the cursor row in pixels
3105 int offset = d->horiz_scroll_offset_;
3106 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3108 if (row.right_x() <= workWidth() - row.right_margin) {
3109 // Row is narrower than the work area, no offset needed.
3112 if (cur_x - offset < MARGIN) {
3113 // cursor would be too far right
3114 offset = cur_x - MARGIN;
3115 } else if (cur_x - offset > workWidth() - MARGIN) {
3116 // cursor would be too far left
3117 offset = cur_x - workWidth() + MARGIN;
3119 // Correct the offset to make sure that we do not scroll too much
3122 if (row.right_x() - offset < workWidth() - row.right_margin)
3123 offset = row.right_x() - workWidth() + row.right_margin;
3126 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3128 if (offset != d->horiz_scroll_offset_)
3129 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3130 << d->horiz_scroll_offset_ << " to " << offset);
3132 if (d->update_strategy_ == NoScreenUpdate
3133 && (offset != d->horiz_scroll_offset_
3134 || !d->last_row_slice_.empty())) {
3135 // FIXME: if one uses SingleParUpdate, then home/end
3136 // will not work on long rows. Why?
3137 d->update_strategy_ = FullScreenUpdate;
3140 d->horiz_scroll_offset_ = offset;
3144 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3146 if (height_ == 0 || width_ == 0)
3148 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3149 : "\t\t*** START DRAWING ***"));
3150 Text & text = buffer_.text();
3151 TextMetrics const & tm = d->text_metrics_[&text];
3152 int const y = tm.first().second->position();
3153 PainterInfo pi(this, pain);
3155 // Check whether the row where the cursor lives needs to be scrolled.
3156 // Update the drawing strategy if needed.
3157 checkCursorScrollOffset();
3159 switch (d->update_strategy_) {
3161 case NoScreenUpdate:
3162 // no screen painting is actually needed. In nodraw stage
3163 // however, the different coordinates of insets and paragraphs
3164 // needs to be updated.
3165 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3166 pi.full_repaint = false;
3167 if (pain.isNull()) {
3168 pi.full_repaint = true;
3171 pi.full_repaint = false;
3176 case SingleParUpdate:
3177 pi.full_repaint = false;
3178 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3179 // In general, only the current row of the outermost paragraph
3180 // will be redrawn. Particular cases where selection spans
3181 // multiple paragraph are correctly detected in TextMetrics.
3185 case DecorationUpdate:
3186 // FIXME: We should also distinguish DecorationUpdate to avoid text
3187 // drawing if possible. This is not possible to do easily right now
3188 // because of the single backing pixmap.
3190 case FullScreenUpdate:
3192 LYXERR(Debug::PAINTING,
3193 ((d->update_strategy_ == FullScreenUpdate)
3194 ? "Strategy: FullScreenUpdate"
3195 : "Strategy: DecorationUpdate"));
3197 // The whole screen, including insets, will be refreshed.
3198 pi.full_repaint = true;
3200 // Clear background.
3201 pain.fillRectangle(0, 0, width_, height_,
3202 pi.backgroundColor(&buffer_.inset()));
3207 // and possibly grey out below
3208 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3209 int const y2 = lastpm.second->position() + lastpm.second->descent();
3212 Color color = buffer().isInternal()
3213 ? Color_background : Color_bottomarea;
3214 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3218 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3219 : "\t\t *** END DRAWING ***"));
3221 // The scrollbar needs an update.
3224 // Normalize anchor for next time
3225 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3226 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3227 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3228 ParagraphMetrics const & pm = tm.parMetrics(pit);
3229 if (pm.position() + pm.descent() > 0) {
3230 if (d->anchor_pit_ != pit
3231 || d->anchor_ypos_ != pm.position())
3232 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3233 << " anchor ypos = " << d->anchor_ypos_);
3234 d->anchor_pit_ = pit;
3235 d->anchor_ypos_ = pm.position();
3239 if (!pain.isNull()) {
3240 // reset the update flags, everything has been done
3241 d->update_flags_ = Update::None;
3244 // If a caret has to be painted, mark its text row as dirty to
3245 //make sure that it will be repainted on next redraw.
3246 /* FIXME: investigate whether this can be avoided when the cursor did not
3250 Row const & caret_row = d->cursor_.textRow();
3251 caret_row.changed(true);
3256 void BufferView::message(docstring const & msg)
3259 d->gui_->message(msg);
3263 void BufferView::showDialog(string const & name)
3266 d->gui_->showDialog(name, string());
3270 void BufferView::showDialog(string const & name,
3271 string const & data, Inset * inset)
3274 d->gui_->showDialog(name, data, inset);
3278 void BufferView::updateDialog(string const & name, string const & data)
3281 d->gui_->updateDialog(name, data);
3285 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3291 // FIXME: Move this out of BufferView again
3292 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3294 if (!fname.isReadableFile()) {
3295 docstring const error = from_ascii(strerror(errno));
3296 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3297 docstring const text =
3298 bformat(_("Could not read the specified document\n"
3299 "%1$s\ndue to the error: %2$s"), file, error);
3300 Alert::error(_("Could not read file"), text);
3304 if (!fname.isReadableFile()) {
3305 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3306 docstring const text =
3307 bformat(_("%1$s\n is not readable."), file);
3308 Alert::error(_("Could not open file"), text);
3312 // FIXME UNICODE: We don't know the encoding of the file
3313 docstring file_content = fname.fileContents("UTF-8");
3314 if (file_content.empty()) {
3315 Alert::error(_("Reading not UTF-8 encoded file"),
3316 _("The file is not UTF-8 encoded.\n"
3317 "It will be read as local 8Bit-encoded.\n"
3318 "If this does not give the correct result\n"
3319 "then please change the encoding of the file\n"
3320 "to UTF-8 with a program other than LyX.\n"));
3321 file_content = fname.fileContents("local8bit");
3324 return normalize_c(file_content);
3328 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3330 docstring const tmpstr = contentsOfPlaintextFile(f);
3335 Cursor & cur = cursor();
3336 cap::replaceSelection(cur);
3337 buffer_.undo().recordUndo(cur);
3339 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3341 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3343 buffer_.changed(true);
3347 docstring const & BufferView::inlineCompletion() const
3349 return d->inlineCompletion_;
3353 size_t const & BufferView::inlineCompletionUniqueChars() const
3355 return d->inlineCompletionUniqueChars_;
3359 DocIterator const & BufferView::inlineCompletionPos() const
3361 return d->inlineCompletionPos_;
3365 void BufferView::resetInlineCompletionPos()
3367 d->inlineCompletionPos_ = DocIterator();
3371 bool samePar(DocIterator const & a, DocIterator const & b)
3373 if (a.empty() && b.empty())
3375 if (a.empty() || b.empty())
3377 if (a.depth() != b.depth())
3379 return &a.innerParagraph() == &b.innerParagraph();
3383 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3384 docstring const & completion, size_t uniqueChars)
3386 uniqueChars = min(completion.size(), uniqueChars);
3387 bool changed = d->inlineCompletion_ != completion
3388 || d->inlineCompletionUniqueChars_ != uniqueChars;
3389 bool singlePar = true;
3390 d->inlineCompletion_ = completion;
3391 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3393 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3396 DocIterator const & old = d->inlineCompletionPos_;
3398 //lyxerr << "inlineCompletionPos changed" << std::endl;
3399 // old or pos are in another paragraph?
3400 if ((!samePar(cur, pos) && !pos.empty())
3401 || (!samePar(cur, old) && !old.empty())) {
3403 //lyxerr << "different paragraph" << std::endl;
3405 d->inlineCompletionPos_ = pos;
3410 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3411 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3413 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3418 bool BufferView::clickableInset() const
3420 return d->clickable_inset_;