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),
243 caret_ascent_(0), caret_descent_(0)
245 xsel_cache_.set = false;
249 ScrollbarParameters scrollbarParameters_;
251 ScreenUpdateStrategy update_strategy_;
253 Update::flags update_flags_;
255 CoordCache coord_cache_;
257 /// Estimated average par height for scrollbar.
259 /// this is used to handle XSelection events in the right manner.
268 pit_type anchor_pit_;
272 vector<int> par_height_;
275 DocIterator inlineCompletionPos_;
277 docstring inlineCompletion_;
279 size_t inlineCompletionUniqueChars_;
281 /// keyboard mapping object.
284 /// last visited inset.
285 /** kept to send setMouseHover(false).
286 * Not owned, so don't delete.
288 Inset const * last_inset_;
289 /// are we hovering something that we can click
290 bool clickable_inset_;
292 /// position of the mouse at the time of the last mouse move
293 /// This is used to update the hovering status of inset in
294 /// cases where the buffer is scrolled, but the mouse didn't move.
295 Point mouse_position_cache_;
297 // cache for id of the paragraph which was edited the last time
298 int bookmark_edit_position_;
300 mutable TextMetricsCache text_metrics_;
303 /** Not owned, so don't delete.
305 frontend::GuiBufferViewDelegate * gui_;
307 /// Cache for Find Next
308 FuncRequest search_request_cache_;
311 map<string, Inset *> edited_insets_;
313 /// When the row where the cursor lies is scrolled, this
314 /// contains the scroll offset
315 int horiz_scroll_offset_;
316 /// a slice pointing to the start of the row where the cursor
317 /// is (at last draw time)
318 CursorSlice current_row_slice_;
320 // The vertical size of the blinking caret. Only used for math
321 // Using it for text could be bad when undo restores the cursor
322 // current font, since the caret size could become wrong.
328 BufferView::BufferView(Buffer & buf)
329 : width_(0), height_(0), full_screen_(false), buffer_(buf),
330 d(new Private(*this))
332 d->xsel_cache_.set = false;
333 d->intl_.initKeyMapper(lyxrc.use_kbmap);
335 d->cursor_.setBuffer(&buf);
336 d->cursor_.push(buffer_.inset());
337 d->cursor_.resetAnchor();
338 d->cursor_.setCurrentFont();
340 buffer_.updatePreviews();
344 BufferView::~BufferView()
346 // current buffer is going to be switched-off, save cursor pos
347 // Ideally, the whole cursor stack should be saved, but session
348 // currently can only handle bottom (whole document) level pit and pos.
349 // That is to say, if a cursor is in a nested inset, it will be
350 // restore to the left of the top level inset.
351 LastFilePosSection::FilePos fp;
352 fp.pit = d->cursor_.bottom().pit();
353 fp.pos = d->cursor_.bottom().pos();
354 theSession().lastFilePos().save(buffer_.fileName(), fp);
357 d->last_inset_->setMouseHover(this, false);
363 int BufferView::rightMargin() const
365 // The value used to be hardcoded to 10
366 int const default_margin = zoomedPixels(10);
367 // The additional test for the case the outliner is opened.
368 if (!full_screen_ || !lyxrc.full_screen_limit
369 || width_ < lyxrc.full_screen_width + 2 * default_margin)
370 return default_margin;
372 return (width_ - lyxrc.full_screen_width) / 2;
376 int BufferView::leftMargin() const
378 return rightMargin();
382 int BufferView::inPixels(Length const & len) const
384 Font const font = buffer().params().getFont();
385 return len.inPixels(workWidth(), theFontMetrics(font).em());
389 int BufferView::zoomedPixels(int pix) const
391 // FIXME: the dpi setting should really depend on the BufferView
392 // (think different monitors).
394 // Zoom factor specified by user in percent
395 double const zoom = lyxrc.currentZoom / 100.0; // [percent]
397 // DPI setting for monitor relative to 100dpi
398 double const dpizoom = lyxrc.dpi / 100.0; // [per 100dpi]
400 return support::iround(pix * zoom * dpizoom);
404 bool BufferView::isTopScreen() const
406 return 0 == d->scrollbarParameters_.min;
410 bool BufferView::isBottomScreen() const
412 return 0 == d->scrollbarParameters_.max;
416 Intl & BufferView::getIntl()
422 Intl const & BufferView::getIntl() const
428 CoordCache & BufferView::coordCache()
430 return d->coord_cache_;
434 CoordCache const & BufferView::coordCache() const
436 return d->coord_cache_;
440 Buffer & BufferView::buffer()
446 Buffer const & BufferView::buffer() const
452 bool BufferView::needsFitCursor() const
454 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
455 frontend::FontMetrics const & fm =
456 theFontMetrics(d->cursor_.getFont().fontInfo());
457 int const asc = fm.maxAscent();
458 int const des = fm.maxDescent();
459 Point const p = getPos(d->cursor_);
460 if (p.y_ - asc >= 0 && p.y_ + des < height_)
469 // this is for debugging only.
470 string flagsAsString(Update::flags flags)
472 if (flags == Update::None)
474 return string((flags & Update::FitCursor) ? "FitCursor " : "")
475 + ((flags & Update::Force) ? "Force " : "")
476 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
477 + ((flags & Update::SinglePar) ? "SinglePar " : "")
478 + ((flags & Update::Decoration) ? "Decoration " : "");
483 void BufferView::processUpdateFlags(Update::flags flags)
485 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
486 << flagsAsString(flags) << ") buffer: " << &buffer_);
488 // Case when no explicit update is requested.
489 if (flags == Update::None)
492 /* FIXME We would like to avoid doing this here, since it is very
493 * expensive and is called in updateBuffer already. However, even
494 * inserting a plain character can invalidate the overly fragile
495 * tables of child documents built by updateMacros. Some work is
496 * needed to avoid doing that when not necessary.
498 buffer_.updateMacros();
500 // First check whether the metrics and inset positions should be updated
501 if (flags & Update::Force) {
502 // This will update the CoordCache items and replace Force
503 // with ForceDraw in flags.
504 updateMetrics(flags);
507 // Detect whether we can only repaint a single paragraph (if we
508 // are not already redrawing all).
509 // We handle this before FitCursor because the later will require
510 // correct metrics at cursor position.
511 if (!(flags & Update::ForceDraw)
512 && (flags & Update::SinglePar)
513 && !singleParUpdate())
514 updateMetrics(flags);
516 // Then make sure that the screen contains the cursor if needed
517 if (flags & Update::FitCursor) {
518 if (needsFitCursor()) {
519 scrollToCursor(d->cursor_, false);
520 // Metrics have to be recomputed (maybe again)
521 updateMetrics(flags);
523 flags = flags & ~Update::FitCursor;
526 // Add flags to the the update flags. These will be reset to None
527 // after the redraw is actually done
528 d->update_flags_ = d->update_flags_ | flags;
529 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
531 // Now compute the update strategy
532 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
533 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
534 | Update::Decoration | Update::ForceDraw)) == 0);
536 if (d->update_flags_ & Update::ForceDraw)
537 d->update_strategy_ = FullScreenUpdate;
538 else if (d->update_flags_ & Update::Decoration)
539 d->update_strategy_ = DecorationUpdate;
540 else if (d->update_flags_ & Update::SinglePar)
541 d->update_strategy_ = SingleParUpdate;
543 // no need to redraw anything.
544 d->update_strategy_ = NoScreenUpdate;
547 updateHoveredInset();
550 buffer_.changed(false);
554 void BufferView::updateScrollbar()
556 if (height_ == 0 && width_ == 0)
559 // We prefer fixed size line scrolling.
560 d->scrollbarParameters_.single_step = defaultRowHeight();
561 // We prefer full screen page scrolling.
562 d->scrollbarParameters_.page_step = height_;
564 Text & t = buffer_.text();
565 TextMetrics & tm = d->text_metrics_[&t];
567 LYXERR(Debug::GUI, " Updating scrollbar: height: "
568 << t.paragraphs().size()
569 << " curr par: " << d->cursor_.bottom().pit()
570 << " default height " << defaultRowHeight());
572 size_t const parsize = t.paragraphs().size();
573 if (d->par_height_.size() != parsize) {
574 d->par_height_.clear();
575 // FIXME: We assume a default paragraph height of 2 rows. This
576 // should probably be pondered with the screen width.
577 d->par_height_.resize(parsize, defaultRowHeight() * 2);
580 // Look at paragraph heights on-screen
581 pair<pit_type, ParagraphMetrics const *> first = tm.first();
582 pair<pit_type, ParagraphMetrics const *> last = tm.last();
583 for (pit_type pit = first.first; pit <= last.first; ++pit) {
584 d->par_height_[pit] = tm.parMetrics(pit).height();
585 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
586 << d->par_height_[pit]);
589 int top_pos = first.second->position() - first.second->ascent();
590 int bottom_pos = last.second->position() + last.second->descent();
591 bool first_visible = first.first == 0 && top_pos >= 0;
592 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
593 if (first_visible && last_visible) {
594 d->scrollbarParameters_.min = 0;
595 d->scrollbarParameters_.max = 0;
599 d->scrollbarParameters_.min = top_pos;
600 for (size_t i = 0; i != size_t(first.first); ++i)
601 d->scrollbarParameters_.min -= d->par_height_[i];
602 d->scrollbarParameters_.max = bottom_pos;
603 for (size_t i = last.first + 1; i != parsize; ++i)
604 d->scrollbarParameters_.max += d->par_height_[i];
606 // The reference is the top position so we remove one page.
607 if (lyxrc.scroll_below_document)
608 d->scrollbarParameters_.max -= minVisiblePart();
610 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
612 // 0 must be inside the range as it denotes the current position
613 if (d->scrollbarParameters_.max < 0)
614 d->scrollbarParameters_.max = 0;
615 if (d->scrollbarParameters_.min > 0)
616 d->scrollbarParameters_.min = 0;
620 ScrollbarParameters const & BufferView::scrollbarParameters() const
622 return d->scrollbarParameters_;
626 docstring BufferView::toolTip(int x, int y) const
628 // Get inset under mouse, if there is one.
629 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
631 // No inset, no tooltip...
633 return covering_inset->toolTip(*this, x, y);
637 string BufferView::contextMenu(int x, int y) const
639 //If there is a selection, return the containing inset menu
640 if (d->cursor_.selection())
641 return d->cursor_.inset().contextMenu(*this, x, y);
643 // Get inset under mouse, if there is one.
644 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
646 return covering_inset->contextMenu(*this, x, y);
648 return buffer_.inset().contextMenu(*this, x, y);
653 void BufferView::scrollDocView(int const value, bool update)
655 // The scrollbar values are relative to the top of the screen, therefore the
656 // offset is equal to the target value.
658 // No scrolling at all? No need to redraw anything
662 // If the offset is less than 2 screen height, prefer to scroll instead.
663 if (abs(value) <= 2 * height_) {
664 d->anchor_ypos_ -= value;
665 processUpdateFlags(Update::Force);
669 // cut off at the top
670 if (value <= d->scrollbarParameters_.min) {
671 DocIterator dit = doc_iterator_begin(&buffer_);
672 showCursor(dit, false, update);
673 LYXERR(Debug::SCROLLING, "scroll to top");
677 // cut off at the bottom
678 if (value >= d->scrollbarParameters_.max) {
679 DocIterator dit = doc_iterator_end(&buffer_);
681 showCursor(dit, false, update);
682 LYXERR(Debug::SCROLLING, "scroll to bottom");
686 // find paragraph at target position
687 int par_pos = d->scrollbarParameters_.min;
689 for (; i != int(d->par_height_.size()); ++i) {
690 par_pos += d->par_height_[i];
691 if (par_pos >= value)
695 if (par_pos < value) {
696 // It seems we didn't find the correct pit so stay on the safe side and
698 LYXERR0("scrolling position not found!");
699 scrollDocView(d->scrollbarParameters_.max, update);
703 DocIterator dit = doc_iterator_begin(&buffer_);
705 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
706 showCursor(dit, false, update);
710 // FIXME: this method is not working well.
711 void BufferView::setCursorFromScrollbar()
713 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
715 int const height = 2 * defaultRowHeight();
716 int const first = height;
717 int const last = height_ - height;
719 Cursor const & oldcur = d->cursor_;
721 switch (cursorStatus(oldcur)) {
729 int const y = getPos(oldcur).y_;
730 newy = min(last, max(y, first));
734 // We reset the cursor because cursorStatus() does not
735 // work when the cursor is within mathed.
738 tm.setCursorFromCoordinates(cur, 0, newy);
740 // update the bufferview cursor and notify insets
741 // FIXME: Care about the d->cursor_ flags to redraw if needed
742 Cursor old = d->cursor_;
744 // the DEPM call in mouseSetCursor() might have destroyed the
745 // paragraph the cursor is in.
746 bool badcursor = old.fixIfBroken();
747 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
749 d->cursor_.fixIfBroken();
753 Change const BufferView::getCurrentChange() const
755 if (!d->cursor_.selection())
756 return Change(Change::UNCHANGED);
758 DocIterator dit = d->cursor_.selectionBegin();
759 // The selected content might have been changed (see #7685)
760 dit = dit.getInnerText();
761 return dit.paragraph().lookupChange(dit.pos());
765 // this could be used elsewhere as well?
766 // FIXME: This does not work within mathed!
767 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
769 Point const p = getPos(dit);
772 if (p.y_ > workHeight())
778 void BufferView::bookmarkEditPosition()
780 // Don't eat cpu time for each keystroke
781 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
784 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
788 void BufferView::saveBookmark(unsigned int idx)
790 // tentatively save bookmark, id and pos will be used to
791 // acturately locate a bookmark in a 'live' lyx session.
792 // pit and pos will be updated with bottom level pit/pos
794 if (!buffer_.isInternal()) {
795 theSession().bookmarks().save(
797 d->cursor_.bottom().pit(),
798 d->cursor_.bottom().pos(),
799 d->cursor_.paragraph().id(),
804 // emit message signal.
805 message(_("Save bookmark"));
810 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
811 int top_id, pos_type top_pos)
813 bool success = false;
816 d->cursor_.clearSelection();
818 // if a valid par_id is given, try it first
819 // This is the case for a 'live' bookmark when unique paragraph ID
820 // is used to track bookmarks.
822 dit = buffer_.getParFromID(top_id);
824 dit.pos() = min(dit.paragraph().size(), top_pos);
825 // Some slices of the iterator may not be
826 // reachable (e.g. closed collapsible inset)
827 // so the dociterator may need to be
828 // shortened. Otherwise, setCursor may crash
829 // lyx when the cursor can not be set to these
831 size_t const n = dit.depth();
832 for (size_t i = 0; i < n; ++i)
833 if (!dit[i].inset().editable()) {
841 // if top_id == 0, or searching through top_id failed
842 // This is the case for a 'restored' bookmark when only bottom
843 // (document level) pit was saved. Because of this, bookmark
844 // restoration is inaccurate. If a bookmark was within an inset,
845 // it will be restored to the left of the outmost inset that contains
847 if (bottom_pit < int(buffer_.paragraphs().size())) {
848 dit = doc_iterator_begin(&buffer_);
850 dit.pit() = bottom_pit;
851 dit.pos() = min(bottom_pos, dit.paragraph().size());
856 // Note: only bottom (document) level pit is set.
858 // set the current font.
859 d->cursor_.setCurrentFont();
860 // Do not forget to reset the anchor (see #9912)
861 d->cursor_.resetAnchor();
862 processUpdateFlags(Update::Force | Update::FitCursor);
869 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
871 if (d->cursor_.real_current_font.isRightToLeft()) {
872 if (d->intl_.keymap == Intl::PRIMARY)
873 d->intl_.keyMapSec();
875 if (d->intl_.keymap == Intl::SECONDARY)
876 d->intl_.keyMapPrim();
879 d->intl_.getTransManager().translateAndInsert(c, t, cur);
883 int BufferView::workWidth() const
889 void BufferView::recenter()
891 showCursor(d->cursor_, true, true);
895 void BufferView::showCursor()
897 showCursor(d->cursor_, false, true);
901 void BufferView::showCursor(DocIterator const & dit,
902 bool recenter, bool update)
904 if (scrollToCursor(dit, recenter) && update)
905 processUpdateFlags(Update::Force);
909 void BufferView::scrollToCursor()
911 if (scrollToCursor(d->cursor_, false))
912 processUpdateFlags(Update::Force);
916 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
918 // We are not properly started yet, delay until resizing is
923 LYXERR(Debug::SCROLLING, "recentering!");
925 CursorSlice const & bot = dit.bottom();
926 TextMetrics & tm = d->text_metrics_[bot.text()];
928 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
929 int bot_pit = bot.pit();
930 if (bot_pit > max_pit) {
931 // FIXME: Why does this happen?
932 LYXERR0("bottom pit is greater that max pit: "
933 << bot_pit << " > " << max_pit);
937 if (bot_pit == tm.first().first - 1)
938 tm.newParMetricsUp();
939 else if (bot_pit == tm.last().first + 1)
940 tm.newParMetricsDown();
942 if (tm.contains(bot_pit)) {
943 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
944 LBUFERR(!pm.rows().empty());
945 // FIXME: smooth scrolling doesn't work in mathed.
946 CursorSlice const & cs = dit.innerTextSlice();
947 int offset = coordOffset(dit).y_;
948 int ypos = pm.position() + offset;
949 Dimension const & row_dim =
950 pm.getRow(cs.pos(), dit.boundary()).dim();
953 scrolled = scroll(ypos - height_/2);
955 // We try to visualize the whole row, if the row height is larger than
956 // the screen height, we scroll to a heuristic value of height_ / 4.
957 // FIXME: This heuristic value should be replaced by a recursive search
958 // for a row in the inset that can be visualized completely.
959 else if (row_dim.height() > height_) {
960 if (ypos < defaultRowHeight())
961 scrolled = scroll(ypos - height_ / 4);
962 else if (ypos > height_ - defaultRowHeight())
963 scrolled = scroll(ypos - 3 * height_ / 4);
966 // If the top part of the row falls of the screen, we scroll
967 // up to align the top of the row with the top of the screen.
968 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
969 int ynew = row_dim.ascent();
970 scrolled = scrollUp(ynew - ypos);
973 // If the bottom of the row falls of the screen, we scroll down.
974 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
975 int ynew = height_ - row_dim.descent();
976 scrolled = scrollDown(ypos - ynew);
979 // else, nothing to do, the cursor is already visible so we just return.
980 return scrolled != 0;
983 // fix inline completion position
984 if (d->inlineCompletionPos_.fixIfBroken())
985 d->inlineCompletionPos_ = DocIterator();
987 tm.redoParagraph(bot_pit);
988 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
989 int offset = coordOffset(dit).y_;
991 d->anchor_pit_ = bot_pit;
992 CursorSlice const & cs = dit.innerTextSlice();
993 Dimension const & row_dim =
994 pm.getRow(cs.pos(), dit.boundary()).dim();
997 d->anchor_ypos_ = height_/2;
998 else if (d->anchor_pit_ == 0)
999 d->anchor_ypos_ = offset + pm.ascent();
1000 else if (d->anchor_pit_ == max_pit)
1001 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1002 else if (offset > height_)
1003 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1005 d->anchor_ypos_ = defaultRowHeight() * 2;
1011 void BufferView::makeDocumentClass()
1013 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1014 buffer_.params().makeDocumentClass();
1015 updateDocumentClass(olddc);
1019 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1021 message(_("Converting document to new document class..."));
1023 StableDocIterator backcur(d->cursor_);
1024 ErrorList & el = buffer_.errorList("Class Switch");
1025 cap::switchBetweenClasses(
1026 olddc, buffer_.params().documentClassPtr(),
1027 static_cast<InsetText &>(buffer_.inset()), el);
1029 setCursor(backcur.asDocIterator(&buffer_));
1031 buffer_.errors("Class Switch");
1035 /** Return the change status at cursor position, taking into account the
1036 * status at each level of the document iterator (a table in a deleted
1037 * footnote is deleted).
1038 * When \param outer is true, the top slice is not looked at.
1040 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1042 size_t const depth = dit.depth() - (outer ? 1 : 0);
1044 for (size_t i = 0 ; i < depth ; ++i) {
1045 CursorSlice const & slice = dit[i];
1046 if (!slice.inset().inMathed()
1047 && slice.pos() < slice.paragraph().size()) {
1048 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1049 if (ch != Change::UNCHANGED)
1053 return Change::UNCHANGED;
1057 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1059 FuncCode const act = cmd.action();
1061 // Can we use a readonly buffer?
1062 if (buffer_.isReadonly()
1063 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1064 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1065 if (buffer_.hasReadonlyFlag())
1066 flag.message(from_utf8(N_("Document is read-only")));
1068 flag.message(from_utf8(N_("Document has been modified externally")));
1069 flag.setEnabled(false);
1073 // Are we in a DELETED change-tracking region?
1074 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1075 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1076 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1077 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1078 flag.setEnabled(false);
1082 Cursor & cur = d->cursor_;
1084 if (cur.getStatus(cmd, flag))
1089 // FIXME: This is a bit problematic because we don't check if this is
1090 // a document BufferView or not for these LFUNs. We probably have to
1091 // dispatch both to currentBufferView() and, if that fails,
1092 // to documentBufferView(); same as we do now for current Buffer and
1093 // document Buffer. Ideally those LFUN should go to Buffer as they
1094 // operate on the full Buffer and the cursor is only needed either for
1095 // an Undo record or to restore a cursor position. But we don't know
1096 // how to do that inside Buffer of course.
1097 case LFUN_BUFFER_PARAMS_APPLY:
1098 case LFUN_LAYOUT_MODULES_CLEAR:
1099 case LFUN_LAYOUT_MODULE_ADD:
1100 case LFUN_LAYOUT_RELOAD:
1101 case LFUN_TEXTCLASS_APPLY:
1102 case LFUN_TEXTCLASS_LOAD:
1103 flag.setEnabled(!buffer_.isReadonly());
1107 // We do not use the LyXAction flag for readonly because Undo sets the
1108 // buffer clean/dirty status by itself.
1109 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1112 // We do not use the LyXAction flag for readonly because Redo sets the
1113 // buffer clean/dirty status by itself.
1114 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1116 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1117 case LFUN_FILE_INSERT_PLAINTEXT: {
1118 docstring const fname = cmd.argument();
1119 if (!FileName::isAbsolute(to_utf8(fname))) {
1120 flag.message(_("Absolute filename expected."));
1123 flag.setEnabled(cur.inTexted());
1126 case LFUN_FILE_INSERT:
1127 case LFUN_BOOKMARK_SAVE:
1128 // FIXME: Actually, these LFUNS should be moved to Text
1129 flag.setEnabled(cur.inTexted());
1132 case LFUN_FONT_STATE:
1133 case LFUN_LABEL_INSERT:
1134 case LFUN_INFO_INSERT:
1135 case LFUN_PARAGRAPH_GOTO:
1136 case LFUN_NOTE_NEXT:
1137 case LFUN_REFERENCE_NEXT:
1138 case LFUN_WORD_FIND:
1139 case LFUN_WORD_FIND_FORWARD:
1140 case LFUN_WORD_FIND_BACKWARD:
1141 case LFUN_WORD_REPLACE:
1144 case LFUN_MARK_TOGGLE:
1145 case LFUN_SCREEN_RECENTER:
1146 case LFUN_SCREEN_SHOW_CURSOR:
1147 case LFUN_BIBTEX_DATABASE_ADD:
1148 case LFUN_BIBTEX_DATABASE_DEL:
1149 case LFUN_STATISTICS:
1150 case LFUN_KEYMAP_OFF:
1151 case LFUN_KEYMAP_PRIMARY:
1152 case LFUN_KEYMAP_SECONDARY:
1153 case LFUN_KEYMAP_TOGGLE:
1154 case LFUN_INSET_SELECT_ALL:
1155 flag.setEnabled(true);
1158 case LFUN_GRAPHICS_UNIFY:
1159 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1162 case LFUN_WORD_FINDADV: {
1163 FindAndReplaceOptions opt;
1164 istringstream iss(to_utf8(cmd.argument()));
1166 flag.setEnabled(opt.repl_buf_name.empty()
1167 || !buffer_.isReadonly());
1171 case LFUN_LABEL_GOTO:
1172 flag.setEnabled(!cmd.argument().empty()
1173 || getInsetByCode<InsetRef>(cur, REF_CODE));
1176 case LFUN_CHANGES_MERGE:
1177 case LFUN_CHANGE_NEXT:
1178 case LFUN_CHANGE_PREVIOUS:
1179 case LFUN_ALL_CHANGES_ACCEPT:
1180 case LFUN_ALL_CHANGES_REJECT:
1181 flag.setEnabled(buffer_.areChangesPresent());
1184 case LFUN_SCREEN_UP:
1185 case LFUN_SCREEN_DOWN:
1187 case LFUN_SCREEN_UP_SELECT:
1188 case LFUN_SCREEN_DOWN_SELECT:
1189 case LFUN_INSET_FORALL:
1190 flag.setEnabled(true);
1193 case LFUN_LAYOUT_TABULAR:
1194 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1198 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1201 case LFUN_LAYOUT_PARAGRAPH:
1202 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1205 case LFUN_BRANCH_ADD_INSERT:
1206 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1209 case LFUN_DIALOG_SHOW_NEW_INSET:
1210 // FIXME: this is wrong, but I do not understand the
1212 if (cur.inset().lyxCode() == CAPTION_CODE)
1213 return cur.inset().getStatus(cur, cmd, flag);
1214 // FIXME we should consider passthru paragraphs too.
1215 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1218 case LFUN_CITATION_INSERT: {
1219 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1220 // FIXME: This could turn in a recursive hell.
1221 // Shouldn't we use Buffer::getStatus() instead?
1222 flag.setEnabled(lyx::getStatus(fr).enabled());
1225 case LFUN_INSET_APPLY: {
1226 string const name = cmd.getArg(0);
1227 Inset * inset = editedInset(name);
1229 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1230 if (!inset->getStatus(cur, fr, flag)) {
1231 // Every inset is supposed to handle this
1232 LASSERT(false, break);
1235 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1236 flag = lyx::getStatus(fr);
1249 Inset * BufferView::editedInset(string const & name) const
1251 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1252 return it == d->edited_insets_.end() ? 0 : it->second;
1256 void BufferView::editInset(string const & name, Inset * inset)
1259 d->edited_insets_[name] = inset;
1261 d->edited_insets_.erase(name);
1265 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1267 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1269 string const argument = to_utf8(cmd.argument());
1270 Cursor & cur = d->cursor_;
1273 // Don't dispatch function that does not apply to internal buffers.
1274 if (buffer_.isInternal()
1275 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1278 // We'll set this back to false if need be.
1279 bool dispatched = true;
1280 buffer_.undo().beginUndoGroup();
1282 FuncCode const act = cmd.action();
1285 case LFUN_BUFFER_PARAMS_APPLY: {
1286 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1287 cur.recordUndoBufferParams();
1288 istringstream ss(to_utf8(cmd.argument()));
1291 int const unknown_tokens = buffer_.readHeader(lex);
1292 if (unknown_tokens != 0) {
1293 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1294 << unknown_tokens << " unknown token"
1295 << (unknown_tokens == 1 ? "" : "s"));
1297 updateDocumentClass(olddc);
1299 // We are most certainly here because of a change in the document
1300 // It is then better to make sure that all dialogs are in sync with
1301 // current document settings.
1302 dr.screenUpdate(Update::Force | Update::FitCursor);
1303 dr.forceBufferUpdate();
1307 case LFUN_LAYOUT_MODULES_CLEAR: {
1308 // FIXME: this modifies the document in cap::switchBetweenClasses
1309 // without calling recordUndo. Fix this before using
1310 // recordUndoBufferParams().
1311 cur.recordUndoFullBuffer();
1312 buffer_.params().clearLayoutModules();
1313 makeDocumentClass();
1314 dr.screenUpdate(Update::Force);
1315 dr.forceBufferUpdate();
1319 case LFUN_LAYOUT_MODULE_ADD: {
1320 BufferParams const & params = buffer_.params();
1321 if (!params.layoutModuleCanBeAdded(argument)) {
1322 LYXERR0("Module `" << argument <<
1323 "' cannot be added due to failed requirements or "
1324 "conflicts with installed modules.");
1327 // FIXME: this modifies the document in cap::switchBetweenClasses
1328 // without calling recordUndo. Fix this before using
1329 // recordUndoBufferParams().
1330 cur.recordUndoFullBuffer();
1331 buffer_.params().addLayoutModule(argument);
1332 makeDocumentClass();
1333 dr.screenUpdate(Update::Force);
1334 dr.forceBufferUpdate();
1338 case LFUN_TEXTCLASS_APPLY: {
1339 // since this shortcircuits, the second call is made only if
1341 bool const success =
1342 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1343 LayoutFileList::get().load(argument, buffer_.filePath());
1345 docstring s = bformat(_("The document class `%1$s' "
1346 "could not be loaded."), from_utf8(argument));
1347 frontend::Alert::error(_("Could not load class"), s);
1351 LayoutFile const * old_layout = buffer_.params().baseClass();
1352 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1354 if (old_layout == new_layout)
1358 // Save the old, possibly modular, layout for use in conversion.
1359 // FIXME: this modifies the document in cap::switchBetweenClasses
1360 // without calling recordUndo. Fix this before using
1361 // recordUndoBufferParams().
1362 cur.recordUndoFullBuffer();
1363 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1364 makeDocumentClass();
1365 dr.screenUpdate(Update::Force);
1366 dr.forceBufferUpdate();
1370 case LFUN_TEXTCLASS_LOAD: {
1371 // since this shortcircuits, the second call is made only if
1373 bool const success =
1374 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1375 LayoutFileList::get().load(argument, buffer_.filePath());
1377 docstring s = bformat(_("The document class `%1$s' "
1378 "could not be loaded."), from_utf8(argument));
1379 frontend::Alert::error(_("Could not load class"), s);
1384 case LFUN_LAYOUT_RELOAD: {
1385 LayoutFileIndex bc = buffer_.params().baseClassID();
1386 LayoutFileList::get().reset(bc);
1387 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1388 makeDocumentClass();
1389 dr.screenUpdate(Update::Force);
1390 dr.forceBufferUpdate();
1395 dr.setMessage(_("Undo"));
1396 cur.clearSelection();
1397 // We need to find out if the bibliography information
1398 // has changed. See bug #11055.
1399 // So these should not be references...
1400 string const engine = buffer().params().citeEngine();
1401 CiteEngineType const enginetype = buffer().params().citeEngineType();
1402 if (!cur.undoAction())
1403 dr.setMessage(_("No further undo information"));
1405 dr.screenUpdate(Update::Force | Update::FitCursor);
1406 dr.forceBufferUpdate();
1407 if (buffer().params().citeEngine() != engine ||
1408 buffer().params().citeEngineType() != enginetype)
1409 buffer().invalidateCiteLabels();
1415 dr.setMessage(_("Redo"));
1416 cur.clearSelection();
1417 // We need to find out if the bibliography information
1418 // has changed. See bug #11055.
1419 // So these should not be references...
1420 string const engine = buffer().params().citeEngine();
1421 CiteEngineType const enginetype = buffer().params().citeEngineType();
1422 if (!cur.redoAction())
1423 dr.setMessage(_("No further redo information"));
1425 dr.screenUpdate(Update::Force | Update::FitCursor);
1426 dr.forceBufferUpdate();
1427 if (buffer().params().citeEngine() != engine ||
1428 buffer().params().citeEngineType() != enginetype)
1429 buffer().invalidateCiteLabels();
1434 case LFUN_FONT_STATE:
1435 dr.setMessage(cur.currentState(false));
1438 case LFUN_BOOKMARK_SAVE:
1439 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1442 case LFUN_LABEL_GOTO: {
1443 docstring label = cmd.argument();
1444 if (label.empty()) {
1446 getInsetByCode<InsetRef>(cur, REF_CODE);
1448 label = inset->getParam("reference");
1449 // persistent=false: use temp_bookmark
1453 if (!label.empty()) {
1455 // at the moment, this is redundant, since gotoLabel will
1456 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1458 dr.screenUpdate(Update::Force | Update::FitCursor);
1463 case LFUN_PARAGRAPH_GOTO: {
1464 int const id = convert<int>(cmd.getArg(0));
1465 pos_type const pos = convert<int>(cmd.getArg(1));
1468 string const str_id_end = cmd.getArg(2);
1469 string const str_pos_end = cmd.getArg(3);
1471 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1472 b = theBufferList().next(b)) {
1475 curs.setCursor(b->getParFromID(id));
1477 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1481 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1482 << " found in buffer `"
1483 << b->absFileName() << "'.");
1485 if (b == &buffer_) {
1487 if (str_id_end.empty() || str_pos_end.empty()) {
1490 mouseSetCursor(curs);
1493 int const id_end = convert<int>(str_id_end);
1494 pos_type const pos_end = convert<int>(str_pos_end);
1495 success = setCursorFromEntries({id, pos},
1499 dr.screenUpdate(Update::Force | Update::FitCursor);
1501 // Switch to other buffer view and resend cmd
1502 lyx::dispatch(FuncRequest(
1503 LFUN_BUFFER_SWITCH, b->absFileName()));
1511 case LFUN_NOTE_NEXT:
1512 gotoInset(this, NOTE_CODE, false);
1515 case LFUN_REFERENCE_NEXT: {
1516 vector<InsetCode> tmp;
1517 tmp.push_back(LABEL_CODE);
1518 tmp.push_back(REF_CODE);
1519 gotoInset(this, tmp, true);
1523 case LFUN_CHANGE_NEXT:
1524 findNextChange(this);
1525 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1526 dr.screenUpdate(Update::Force | Update::FitCursor);
1529 case LFUN_CHANGE_PREVIOUS:
1530 findPreviousChange(this);
1531 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1532 dr.screenUpdate(Update::Force | Update::FitCursor);
1535 case LFUN_CHANGES_MERGE:
1536 if (findNextChange(this) || findPreviousChange(this)) {
1537 dr.screenUpdate(Update::Force | Update::FitCursor);
1538 dr.forceBufferUpdate();
1539 showDialog("changes");
1543 case LFUN_ALL_CHANGES_ACCEPT:
1544 // select complete document
1546 cur.selHandle(true);
1547 buffer_.text().cursorBottom(cur);
1548 // accept everything in a single step to support atomic undo
1549 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1551 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1552 dr.screenUpdate(Update::Force | Update::FitCursor);
1553 dr.forceBufferUpdate();
1556 case LFUN_ALL_CHANGES_REJECT:
1557 // select complete document
1559 cur.selHandle(true);
1560 buffer_.text().cursorBottom(cur);
1561 // reject everything in a single step to support atomic undo
1562 // Note: reject does not work recursively; the user may have to repeat the operation
1563 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1565 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1566 dr.screenUpdate(Update::Force | Update::FitCursor);
1567 dr.forceBufferUpdate();
1570 case LFUN_WORD_FIND_FORWARD:
1571 case LFUN_WORD_FIND_BACKWARD: {
1573 // Would it maybe be better if this variable were view specific anyway?
1574 static docstring last_search;
1575 docstring searched_string;
1577 if (!cmd.argument().empty()) {
1578 last_search = cmd.argument();
1579 searched_string = cmd.argument();
1581 searched_string = last_search;
1584 if (searched_string.empty())
1587 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1588 docstring const data =
1589 find2string(searched_string, true, false, fw);
1590 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1592 dr.screenUpdate(Update::Force | Update::FitCursor);
1596 case LFUN_WORD_FIND: {
1597 FuncRequest req = cmd;
1598 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1599 req = d->search_request_cache_;
1600 if (req.argument().empty()) {
1601 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1604 if (lyxfind(this, req))
1605 dr.screenUpdate(Update::Force | Update::FitCursor);
1607 d->search_request_cache_ = req;
1611 case LFUN_WORD_REPLACE: {
1612 bool has_deleted = false;
1613 if (cur.selection()) {
1614 DocIterator beg = cur.selectionBegin();
1615 DocIterator end = cur.selectionEnd();
1616 if (beg.pit() == end.pit()) {
1617 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1618 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1625 if (lyxreplace(this, cmd, has_deleted)) {
1626 dr.forceBufferUpdate();
1627 dr.screenUpdate(Update::Force | Update::FitCursor);
1632 case LFUN_WORD_FINDADV: {
1633 FindAndReplaceOptions opt;
1634 istringstream iss(to_utf8(cmd.argument()));
1636 if (findAdv(this, opt)) {
1637 dr.screenUpdate(Update::Force | Update::FitCursor);
1648 cur.clearSelection();
1649 dr.setMessage(from_utf8(N_("Mark off")));
1653 cur.clearSelection();
1655 dr.setMessage(from_utf8(N_("Mark on")));
1658 case LFUN_MARK_TOGGLE:
1659 cur.selection(false);
1662 dr.setMessage(from_utf8(N_("Mark removed")));
1665 dr.setMessage(from_utf8(N_("Mark set")));
1670 case LFUN_SCREEN_SHOW_CURSOR:
1674 case LFUN_SCREEN_RECENTER:
1678 case LFUN_BIBTEX_DATABASE_ADD: {
1679 Cursor tmpcur = cur;
1680 findInset(tmpcur, BIBTEX_CODE, false);
1681 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1684 if (inset->addDatabase(cmd.argument()))
1685 dr.forceBufferUpdate();
1690 case LFUN_BIBTEX_DATABASE_DEL: {
1691 Cursor tmpcur = cur;
1692 findInset(tmpcur, BIBTEX_CODE, false);
1693 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1696 if (inset->delDatabase(cmd.argument()))
1697 dr.forceBufferUpdate();
1702 case LFUN_GRAPHICS_UNIFY: {
1704 cur.recordUndoFullBuffer();
1706 DocIterator from, to;
1707 from = cur.selectionBegin();
1708 to = cur.selectionEnd();
1710 string const newId = cmd.getArg(0);
1711 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1713 InsetGraphicsParams grp_par;
1715 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1717 if (!from.nextInset()) //move to closest inset
1718 from.forwardInset();
1720 while (!from.empty() && from < to) {
1721 Inset * inset = from.nextInset();
1724 InsetGraphics * ig = inset->asInsetGraphics();
1726 InsetGraphicsParams inspar = ig->getParams();
1731 grp_par.filename = inspar.filename;
1732 ig->setParams(grp_par);
1735 from.forwardInset();
1737 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1741 case LFUN_STATISTICS: {
1742 DocIterator from, to;
1743 if (cur.selection()) {
1744 from = cur.selectionBegin();
1745 to = cur.selectionEnd();
1747 from = doc_iterator_begin(&buffer_);
1748 to = doc_iterator_end(&buffer_);
1750 buffer_.updateStatistics(from, to);
1751 int const words = buffer_.wordCount();
1752 int const chars = buffer_.charCount(false);
1753 int const chars_blanks = buffer_.charCount(true);
1755 if (cur.selection())
1756 message = _("Statistics for the selection:");
1758 message = _("Statistics for the document:");
1761 message += bformat(_("%1$d words"), words);
1763 message += _("One word");
1765 if (chars_blanks != 1)
1766 message += bformat(_("%1$d characters (including blanks)"),
1769 message += _("One character (including blanks)");
1772 message += bformat(_("%1$d characters (excluding blanks)"),
1775 message += _("One character (excluding blanks)");
1777 Alert::information(_("Statistics"), message);
1781 case LFUN_SCREEN_UP:
1782 case LFUN_SCREEN_DOWN: {
1783 Point p = getPos(cur);
1784 // This code has been commented out to enable to scroll down a
1785 // document, even if there are large insets in it (see bug #5465).
1786 /*if (p.y_ < 0 || p.y_ > height_) {
1787 // The cursor is off-screen so recenter before proceeding.
1791 int const scrolled = scroll(act == LFUN_SCREEN_UP
1792 ? -height_ : height_);
1793 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1795 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1796 p = Point(width_, height_);
1797 bool const in_texted = cur.inTexted();
1798 cur.setCursor(doc_iterator_begin(cur.buffer()));
1799 cur.selHandle(false);
1800 // Force an immediate computation of metrics because we need it below
1801 processUpdateFlags(Update::Force);
1803 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1804 true, act == LFUN_SCREEN_UP);
1805 //FIXME: what to do with cur.x_target()?
1806 bool update = in_texted && cur.bv().checkDepm(cur, old);
1809 if (update || cur.mark())
1810 dr.screenUpdate(Update::Force | Update::FitCursor);
1812 dr.forceBufferUpdate();
1817 string const scroll_type = cmd.getArg(0);
1818 int scroll_step = 0;
1819 if (scroll_type == "line")
1820 scroll_step = d->scrollbarParameters_.single_step;
1821 else if (scroll_type == "page")
1822 scroll_step = d->scrollbarParameters_.page_step;
1825 string const scroll_quantity = cmd.getArg(1);
1826 if (scroll_quantity == "up")
1827 scrollUp(scroll_step);
1828 else if (scroll_quantity == "down")
1829 scrollDown(scroll_step);
1831 int const scroll_value = convert<int>(scroll_quantity);
1833 scroll(scroll_step * scroll_value);
1835 dr.screenUpdate(Update::ForceDraw);
1836 dr.forceBufferUpdate();
1840 case LFUN_SCREEN_UP_SELECT: {
1841 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1842 cur.selHandle(true);
1843 if (isTopScreen()) {
1844 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1848 int y = getPos(cur).y_;
1849 int const ymin = y - height_ + defaultRowHeight();
1850 while (y > ymin && cur.up())
1854 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1858 case LFUN_SCREEN_DOWN_SELECT: {
1859 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1860 cur.selHandle(true);
1861 if (isBottomScreen()) {
1862 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1866 int y = getPos(cur).y_;
1867 int const ymax = y + height_ - defaultRowHeight();
1868 while (y < ymax && cur.down())
1872 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1877 case LFUN_INSET_SELECT_ALL: {
1878 // true if all cells are selected
1879 bool const all_selected = cur.depth() > 1
1880 && cur.selBegin().at_begin()
1881 && cur.selEnd().at_end();
1882 // true if some cells are selected
1883 bool const cells_selected = cur.depth() > 1
1884 && cur.selBegin().at_cell_begin()
1885 && cur.selEnd().at_cell_end();
1886 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1887 // All the contents of the inset if selected, or only at
1888 // least one cell but inset is not a table.
1889 // Select the inset from outside.
1892 cur.selection(true);
1894 } else if (cells_selected) {
1895 // At least one complete cell is selected and inset is a table.
1901 cur.selection(true);
1902 cur.idx() = cur.lastidx();
1903 cur.pit() = cur.lastpit();
1904 cur.pos() = cur.lastpos();
1906 // select current cell
1910 cur.selection(true);
1911 cur.pit() = cur.lastpit();
1912 cur.pos() = cur.lastpos();
1914 cur.setCurrentFont();
1915 dr.screenUpdate(Update::Force);
1920 case LFUN_UNICODE_INSERT: {
1921 if (cmd.argument().empty())
1924 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1925 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1928 docstring const arg = from_utf8(cmd.getArg(i));
1932 LYXERR0("Not a hexstring: " << arg);
1936 char_type c = hexToInt(arg);
1937 if (c >= 32 && c < 0x10ffff) {
1938 LYXERR(Debug::KEY, "Inserting c: " << c);
1939 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1947 // This would be in Buffer class if only Cursor did not
1948 // require a bufferview
1949 case LFUN_INSET_FORALL: {
1950 docstring const name = from_utf8(cmd.getArg(0));
1951 string const commandstr = cmd.getLongArg(1);
1952 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1954 // an arbitrary number to limit number of iterations
1955 const int max_iter = 100000;
1957 Cursor & curs = d->cursor_;
1958 Cursor const savecur = curs;
1960 if (!curs.nextInset())
1961 curs.forwardInset();
1962 curs.beginUndoGroup();
1963 while(curs && iterations < max_iter) {
1964 Inset * const ins = curs.nextInset();
1967 docstring insname = ins->layoutName();
1968 while (!insname.empty()) {
1969 if (insname == name || name == from_utf8("*")) {
1971 lyx::dispatch(fr, dr);
1975 size_t const i = insname.rfind(':');
1976 if (i == string::npos)
1978 insname = insname.substr(0, i);
1980 // if we did not delete the inset, skip it
1981 if (!curs.nextInset() || curs.nextInset() == ins)
1982 curs.forwardInset();
1986 /** This is a dummy undo record only to remember the cursor
1987 * that has just been set; this will be used on a redo action
1988 * (see ticket #10097)
1990 * FIXME: a better fix would be to have a way to set the
1991 * cursor value directly, but I am not sure it is worth it.
1994 curs.endUndoGroup();
1995 dr.screenUpdate(Update::Force);
1996 dr.forceBufferUpdate();
1998 if (iterations >= max_iter) {
2000 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2002 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2007 case LFUN_BRANCH_ADD_INSERT: {
2008 docstring branch_name = from_utf8(cmd.getArg(0));
2009 if (branch_name.empty())
2010 if (!Alert::askForText(branch_name, _("Branch name")) ||
2011 branch_name.empty())
2014 DispatchResult drtmp;
2015 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2016 if (drtmp.error()) {
2017 Alert::warning(_("Branch already exists"), drtmp.message());
2020 docstring const sep = buffer_.params().branchlist().separator();
2021 for (docstring const & branch : getVectorFromString(branch_name, sep))
2022 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2026 case LFUN_KEYMAP_OFF:
2027 getIntl().keyMapOn(false);
2030 case LFUN_KEYMAP_PRIMARY:
2031 getIntl().keyMapPrim();
2034 case LFUN_KEYMAP_SECONDARY:
2035 getIntl().keyMapSec();
2038 case LFUN_KEYMAP_TOGGLE:
2039 getIntl().toggleKeyMap();
2042 case LFUN_DIALOG_SHOW_NEW_INSET: {
2043 string const name = cmd.getArg(0);
2044 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2045 if (decodeInsetParam(name, data, buffer_))
2046 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2048 lyxerr << "Inset type '" << name <<
2049 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2053 case LFUN_CITATION_INSERT: {
2054 if (argument.empty()) {
2055 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2058 // we can have one optional argument, delimited by '|'
2059 // citation-insert <key>|<text_before>
2060 // this should be enhanced to also support text_after
2061 // and citation style
2062 string arg = argument;
2064 if (contains(argument, "|")) {
2065 arg = token(argument, '|', 0);
2066 opt1 = token(argument, '|', 1);
2069 // if our cursor is directly in front of or behind a citation inset,
2070 // we will instead add the new key to it.
2071 Inset * inset = cur.nextInset();
2072 if (!inset || inset->lyxCode() != CITE_CODE)
2073 inset = cur.prevInset();
2074 if (inset && inset->lyxCode() == CITE_CODE) {
2075 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2076 if (icite->addKey(arg)) {
2077 dr.forceBufferUpdate();
2078 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2080 LYXERR0("Discarding optional argument to citation-insert.");
2085 InsetCommandParams icp(CITE_CODE);
2086 icp["key"] = from_utf8(arg);
2088 icp["before"] = from_utf8(opt1);
2090 from_ascii(InsetCitation::last_literal ? "true" : "false");
2091 string icstr = InsetCommand::params2string(icp);
2092 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2097 case LFUN_INSET_APPLY: {
2098 string const name = cmd.getArg(0);
2099 Inset * inset = editedInset(name);
2101 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2105 // put cursor in front of inset.
2106 if (!setCursorFromInset(inset)) {
2107 LASSERT(false, break);
2110 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2111 inset->dispatch(cur, fr);
2112 dr.screenUpdate(cur.result().screenUpdate());
2113 if (cur.result().needBufferUpdate())
2114 dr.forceBufferUpdate();
2119 // The change of language of buffer belongs to the Buffer class.
2120 // We have to do it here because we need a cursor for Undo.
2121 // When Undo::recordUndoBufferParams() is implemented someday
2122 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2123 case LFUN_BUFFER_LANGUAGE: {
2124 Language const * oldL = buffer_.params().language;
2125 Language const * newL = languages.getLanguage(argument);
2126 if (!newL || oldL == newL)
2128 if (oldL->rightToLeft() == newL->rightToLeft()) {
2129 cur.recordUndoFullBuffer();
2130 buffer_.changeLanguage(oldL, newL);
2131 cur.setCurrentFont();
2132 dr.forceBufferUpdate();
2137 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2138 case LFUN_FILE_INSERT_PLAINTEXT: {
2139 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2140 string const fname = to_utf8(cmd.argument());
2141 if (!FileName::isAbsolute(fname))
2142 dr.setMessage(_("Absolute filename expected."));
2144 insertPlaintextFile(FileName(fname), as_paragraph);
2149 // OK, so try the Buffer itself...
2150 buffer_.dispatch(cmd, dr);
2151 dispatched = dr.dispatched();
2155 buffer_.undo().endUndoGroup();
2156 dr.dispatched(dispatched);
2158 // NOTE: The code below is copied from Cursor::dispatch. If you
2159 // need to modify this, please update the other one too.
2161 // notify insets we just entered/left
2162 if (cursor() != old) {
2163 old.beginUndoGroup();
2165 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2167 cursor().fixIfBroken();
2168 resetInlineCompletionPos();
2175 docstring const BufferView::requestSelection()
2177 Cursor & cur = d->cursor_;
2179 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2180 if (!cur.selection()) {
2181 d->xsel_cache_.set = false;
2185 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2186 if (!d->xsel_cache_.set ||
2187 cur.top() != d->xsel_cache_.cursor ||
2188 cur.realAnchor().top() != d->xsel_cache_.anchor)
2190 d->xsel_cache_.cursor = cur.top();
2191 d->xsel_cache_.anchor = cur.realAnchor().top();
2192 d->xsel_cache_.set = cur.selection();
2193 return cur.selectionAsString(false);
2199 void BufferView::clearSelection()
2201 d->cursor_.clearSelection();
2202 // Clear the selection buffer. Otherwise a subsequent
2203 // middle-mouse-button paste would use the selection buffer,
2204 // not the more current external selection.
2205 cap::clearSelection();
2206 d->xsel_cache_.set = false;
2207 // The buffer did not really change, but this causes the
2208 // redraw we need because we cleared the selection above.
2209 buffer_.changed(false);
2213 void BufferView::resize(int width, int height)
2215 // Update from work area
2219 // Clear the paragraph height cache.
2220 d->par_height_.clear();
2221 // Redo the metrics.
2226 Inset const * BufferView::getCoveringInset(Text const & text,
2229 TextMetrics & tm = d->text_metrics_[&text];
2230 Inset * inset = tm.checkInsetHit(x, y);
2234 if (!inset->descendable(*this))
2235 // No need to go further down if the inset is not
2239 size_t cell_number = inset->nargs();
2240 // Check all the inner cell.
2241 for (size_t i = 0; i != cell_number; ++i) {
2242 Text const * inner_text = inset->getText(i);
2245 Inset const * inset_deeper =
2246 getCoveringInset(*inner_text, x, y);
2248 return inset_deeper;
2256 void BufferView::updateHoveredInset() const
2258 // Get inset under mouse, if there is one.
2259 int const x = d->mouse_position_cache_.x_;
2260 int const y = d->mouse_position_cache_.y_;
2261 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2263 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2265 if (covering_inset == d->last_inset_)
2266 // Same inset, no need to do anything...
2269 bool need_redraw = false;
2270 if (d->last_inset_) {
2271 // Remove the hint on the last hovered inset (if any).
2272 need_redraw |= d->last_inset_->setMouseHover(this, false);
2276 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2278 // Only the insets that accept the hover state, do
2279 // clear the last_inset_, so only set the last_inset_
2280 // member if the hovered setting is accepted.
2281 d->last_inset_ = covering_inset;
2285 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2286 << d->mouse_position_cache_.x_ << ", "
2287 << d->mouse_position_cache_.y_ << ")");
2289 d->update_strategy_ = DecorationUpdate;
2291 // This event (moving without mouse click) is not passed further.
2292 // This should be changed if it is further utilized.
2293 buffer_.changed(false);
2298 void BufferView::clearLastInset(Inset * inset) const
2300 if (d->last_inset_ != inset) {
2301 LYXERR0("Wrong last_inset!");
2308 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2310 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2312 // This is only called for mouse related events including
2313 // LFUN_FILE_OPEN generated by drag-and-drop.
2314 FuncRequest cmd = cmd0;
2316 Cursor old = cursor();
2318 cur.push(buffer_.inset());
2319 cur.selection(d->cursor_.selection());
2321 // Either the inset under the cursor or the
2322 // surrounding Text will handle this event.
2324 // make sure we stay within the screen...
2325 cmd.set_y(min(max(cmd.y(), -1), height_));
2327 d->mouse_position_cache_.x_ = cmd.x();
2328 d->mouse_position_cache_.y_ = cmd.y();
2330 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2331 updateHoveredInset();
2335 // Build temporary cursor.
2336 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2338 // If inset is not editable, cur.pos() might point behind the
2339 // inset (depending on cmd.x(), cmd.y()). This is needed for
2340 // editing to fix bug 9628, but e.g. the context menu needs a
2341 // cursor in front of the inset.
2342 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2343 || inset->lyxCode() == SEPARATOR_CODE) &&
2344 cur.nextInset() != inset && cur.prevInset() == inset)
2346 } else if (cur.inTexted() && cur.pos()
2347 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2348 // Always place cursor in front of a separator inset.
2352 // Put anchor at the same position.
2355 cur.beginUndoGroup();
2357 // Try to dispatch to an non-editable inset near this position
2358 // via the temp cursor. If the inset wishes to change the real
2359 // cursor it has to do so explicitly by using
2360 // cur.bv().cursor() = cur; (or similar)
2362 inset->dispatch(cur, cmd);
2364 // Now dispatch to the temporary cursor. If the real cursor should
2365 // be modified, the inset's dispatch has to do so explicitly.
2366 if (!inset || !cur.result().dispatched())
2369 // Notify left insets
2371 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2372 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2374 cursor().fixIfBroken();
2379 // Do we have a selection?
2380 theSelection().haveSelection(cursor().selection());
2382 if (cur.needBufferUpdate()) {
2383 cur.clearBufferUpdate();
2384 buffer().updateBuffer();
2387 // If the command has been dispatched,
2388 if (cur.result().dispatched() || cur.result().screenUpdate())
2389 processUpdateFlags(cur.result().screenUpdate());
2393 int BufferView::minVisiblePart()
2395 return 2 * defaultRowHeight();
2399 int BufferView::scroll(int y)
2402 return scrollDown(y);
2404 return scrollUp(-y);
2409 int BufferView::scrollDown(int offset)
2411 Text * text = &buffer_.text();
2412 TextMetrics & tm = d->text_metrics_[text];
2413 int const ymax = height_ + offset;
2415 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2416 int bottom_pos = last.second->position() + last.second->descent();
2417 if (lyxrc.scroll_below_document)
2418 bottom_pos += height_ - minVisiblePart();
2419 if (last.first + 1 == int(text->paragraphs().size())) {
2420 if (bottom_pos <= height_)
2422 offset = min(offset, bottom_pos - height_);
2425 if (bottom_pos > ymax)
2427 tm.newParMetricsDown();
2429 d->anchor_ypos_ -= offset;
2434 int BufferView::scrollUp(int offset)
2436 Text * text = &buffer_.text();
2437 TextMetrics & tm = d->text_metrics_[text];
2438 int ymin = - offset;
2440 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2441 int top_pos = first.second->position() - first.second->ascent();
2442 if (first.first == 0) {
2445 offset = min(offset, - top_pos);
2450 tm.newParMetricsUp();
2452 d->anchor_ypos_ += offset;
2457 bool BufferView::setCursorFromRow(int row)
2459 TexRow::TextEntry start, end;
2460 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2461 LYXERR(Debug::LATEX,
2462 "setCursorFromRow: for row " << row << ", TexRow has found "
2463 "start (id=" << start.id << ",pos=" << start.pos << "), "
2464 "end (id=" << end.id << ",pos=" << end.pos << ")");
2465 return setCursorFromEntries(start, end);
2469 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2470 TexRow::TextEntry end)
2472 DocIterator dit_start, dit_end;
2473 tie(dit_start,dit_end) =
2474 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2477 // Setting selection start
2478 d->cursor_.clearSelection();
2479 setCursor(dit_start);
2480 // Setting selection end
2482 d->cursor_.resetAnchor();
2483 setCursorSelectionTo(dit_end);
2489 bool BufferView::setCursorFromInset(Inset const * inset)
2491 // are we already there?
2492 if (cursor().nextInset() == inset)
2495 // Inset is not at cursor position. Find it in the document.
2498 while (cur && cur.nextInset() != inset)
2509 void BufferView::gotoLabel(docstring const & label)
2512 bool have_inactive = false;
2513 for (Buffer const * buf : buffer().allRelatives()) {
2515 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2516 if (label == item.str() && item.isOutput()) {
2517 lyx::dispatch(item.action());
2520 // If we find an inactive label, save it for the case
2521 // that no active one is there
2522 if (label == item.str() && !have_inactive) {
2523 have_inactive = true;
2524 action = item.action();
2528 // We only found an inactive label. Go there.
2530 lyx::dispatch(action);
2534 TextMetrics const & BufferView::textMetrics(Text const * t) const
2536 return const_cast<BufferView *>(this)->textMetrics(t);
2540 TextMetrics & BufferView::textMetrics(Text const * t)
2543 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2544 if (tmc_it == d->text_metrics_.end()) {
2545 tmc_it = d->text_metrics_.insert(
2546 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2548 return tmc_it->second;
2552 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2555 return textMetrics(t).parMetrics(pit);
2559 int BufferView::workHeight() const
2565 void BufferView::setCursor(DocIterator const & dit)
2568 size_t const n = dit.depth();
2569 for (size_t i = 0; i < n; ++i)
2570 dit[i].inset().edit(d->cursor_, true);
2572 d->cursor_.setCursor(dit);
2573 d->cursor_.selection(false);
2574 d->cursor_.setCurrentFont();
2576 // It seems on general grounds as if this is probably needed, but
2577 // it is not yet clear.
2578 // See bug #7394 and r38388.
2579 // d->cursor.resetAnchor();
2583 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2585 size_t const n = dit.depth();
2586 for (size_t i = 0; i < n; ++i)
2587 dit[i].inset().edit(d->cursor_, true);
2589 d->cursor_.selection(true);
2590 d->cursor_.setCursorSelectionTo(dit);
2591 d->cursor_.setCurrentFont();
2595 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2597 // Would be wrong to delete anything if we have a selection.
2598 if (cur.selection())
2601 bool need_anchor_change = false;
2602 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2603 need_anchor_change);
2605 if (need_anchor_change)
2613 // we would rather not do this here, but it needs to be done before
2614 // the changed() signal is sent.
2615 buffer_.updateBuffer();
2617 buffer_.changed(true);
2622 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2624 LASSERT(&cur.bv() == this, return false);
2627 // this event will clear selection so we save selection for
2628 // persistent selection
2629 cap::saveSelection(cursor());
2631 d->cursor_.macroModeClose();
2632 // If a macro has been finalized, the cursor might have been broken
2635 // Has the cursor just left the inset?
2636 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2638 d->cursor_.fixIfBroken();
2640 // do the dEPM magic if needed
2641 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2642 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2643 // the leftinset bool would not be necessary (badcursor instead).
2644 bool update = leftinset;
2647 d->cursor_.setSelection();
2648 d->cursor_.setCursorSelectionTo(cur);
2650 if (d->cursor_.inTexted())
2651 update |= checkDepm(cur, d->cursor_);
2652 d->cursor_.resetAnchor();
2653 d->cursor_.setCursor(cur);
2654 d->cursor_.clearSelection();
2656 d->cursor_.boundary(cur.boundary());
2657 d->cursor_.finishUndo();
2658 d->cursor_.setCurrentFont();
2660 cur.forceBufferUpdate();
2665 void BufferView::putSelectionAt(DocIterator const & cur,
2666 int length, bool backwards)
2668 d->cursor_.clearSelection();
2674 d->cursor_.pos() += length;
2675 d->cursor_.setSelection(d->cursor_, -length);
2677 d->cursor_.setSelection(d->cursor_, length);
2682 bool BufferView::selectIfEmpty(DocIterator & cur)
2684 if ((cur.inTexted() && !cur.paragraph().empty())
2685 || (cur.inMathed() && !cur.cell().empty()))
2688 pit_type const beg_pit = cur.pit();
2690 // The paragraph associated to this item isn't
2691 // the first one, so it can be selected
2694 // We have to resort to select the space between the
2695 // end of this item and the begin of the next one
2699 // If it is the only item in the document,
2700 // nothing can be selected
2703 pit_type const end_pit = cur.pit();
2704 pos_type const end_pos = cur.pos();
2705 d->cursor_.clearSelection();
2707 d->cursor_.setCursor(cur);
2708 d->cursor_.pit() = beg_pit;
2709 d->cursor_.pos() = 0;
2710 d->cursor_.selection(false);
2711 d->cursor_.resetAnchor();
2712 d->cursor_.pit() = end_pit;
2713 d->cursor_.pos() = end_pos;
2714 d->cursor_.setSelection();
2719 Cursor & BufferView::cursor()
2725 Cursor const & BufferView::cursor() const
2731 bool BufferView::singleParUpdate()
2733 Text & buftext = buffer_.text();
2734 pit_type const bottom_pit = d->cursor_.bottom().pit();
2735 TextMetrics & tm = textMetrics(&buftext);
2736 int old_height = tm.parMetrics(bottom_pit).height();
2738 // make sure inline completion pointer is ok
2739 if (d->inlineCompletionPos_.fixIfBroken())
2740 d->inlineCompletionPos_ = DocIterator();
2742 // In Single Paragraph mode, rebreak only
2743 // the (main text, not inset!) paragraph containing the cursor.
2744 // (if this paragraph contains insets etc., rebreaking will
2745 // recursively descend)
2746 tm.redoParagraph(bottom_pit);
2747 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2748 if (pm.height() != old_height)
2749 // Paragraph height has changed so we cannot proceed to
2750 // the singlePar optimisation.
2753 tm.updatePosCache(bottom_pit);
2755 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2756 << " y2: " << pm.position() + pm.descent()
2757 << " pit: " << bottom_pit
2758 << " singlepar: 1");
2763 void BufferView::updateMetrics()
2765 updateMetrics(d->update_flags_);
2766 d->update_strategy_ = FullScreenUpdate;
2770 void BufferView::updateMetrics(Update::flags & update_flags)
2772 if (height_ == 0 || width_ == 0)
2775 Text & buftext = buffer_.text();
2776 pit_type const npit = int(buftext.paragraphs().size());
2778 // Clear out the position cache in case of full screen redraw,
2779 d->coord_cache_.clear();
2781 // Clear out paragraph metrics to avoid having invalid metrics
2782 // in the cache from paragraphs not relayouted below
2783 // The complete text metrics will be redone.
2784 d->text_metrics_.clear();
2786 TextMetrics & tm = textMetrics(&buftext);
2788 // make sure inline completion pointer is ok
2789 if (d->inlineCompletionPos_.fixIfBroken())
2790 d->inlineCompletionPos_ = DocIterator();
2792 if (d->anchor_pit_ >= npit)
2793 // The anchor pit must have been deleted...
2794 d->anchor_pit_ = npit - 1;
2796 // Rebreak anchor paragraph.
2797 tm.redoParagraph(d->anchor_pit_);
2798 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2801 if (d->anchor_pit_ == 0) {
2802 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2804 // Complete buffer visible? Then it's easy.
2805 if (scrollRange == 0)
2806 d->anchor_ypos_ = anchor_pm.ascent();
2808 // avoid empty space above the first row
2809 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2812 anchor_pm.setPosition(d->anchor_ypos_);
2813 tm.updatePosCache(d->anchor_pit_);
2815 LYXERR(Debug::PAINTING, "metrics: "
2816 << " anchor pit = " << d->anchor_pit_
2817 << " anchor ypos = " << d->anchor_ypos_);
2819 // Redo paragraphs above anchor if necessary.
2820 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2821 // We are now just above the anchor paragraph.
2822 pit_type pit1 = d->anchor_pit_ - 1;
2823 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2824 tm.redoParagraph(pit1);
2825 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2827 // Save the paragraph position in the cache.
2829 tm.updatePosCache(pit1);
2833 // Redo paragraphs below the anchor if necessary.
2834 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2835 // We are now just below the anchor paragraph.
2836 pit_type pit2 = d->anchor_pit_ + 1;
2837 for (; pit2 < npit && y2 <= height_; ++pit2) {
2838 tm.redoParagraph(pit2);
2839 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2841 // Save the paragraph position in the cache.
2843 tm.updatePosCache(pit2);
2847 LYXERR(Debug::PAINTING, "Metrics: "
2848 << " anchor pit = " << d->anchor_pit_
2849 << " anchor ypos = " << d->anchor_ypos_
2852 << " pit1 = " << pit1
2853 << " pit2 = " << pit2);
2855 // metrics is done, full drawing is necessary now
2856 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2858 // Now update the positions of insets in the cache.
2861 if (lyxerr.debugging(Debug::WORKAREA)) {
2862 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2863 d->coord_cache_.dump();
2868 void BufferView::updatePosCache()
2870 // this is the "nodraw" drawing stage: only set the positions of the
2871 // insets in metrics cache.
2872 frontend::NullPainter np;
2877 void BufferView::insertLyXFile(FileName const & fname)
2879 LASSERT(d->cursor_.inTexted(), return);
2881 // Get absolute path of file and add ".lyx"
2882 // to the filename if necessary
2883 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2885 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2886 // emit message signal.
2887 message(bformat(_("Inserting document %1$s..."), disp_fn));
2890 Buffer buf(filename.absFileName(), false);
2891 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2892 ErrorList & el = buffer_.errorList("Parse");
2893 // Copy the inserted document error list into the current buffer one.
2894 el = buf.errorList("Parse");
2895 buffer_.undo().recordUndo(d->cursor_);
2896 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2897 buf.params().documentClassPtr(), el);
2898 res = _("Document %1$s inserted.");
2900 res = _("Could not insert document %1$s");
2903 buffer_.changed(true);
2904 // emit message signal.
2905 message(bformat(res, disp_fn));
2909 Point BufferView::coordOffset(DocIterator const & dit) const
2915 // Addup contribution of nested insets, from inside to outside,
2916 // keeping the outer paragraph for a special handling below
2917 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2918 CursorSlice const & sl = dit[i];
2922 // get relative position inside sl.inset()
2923 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2925 // Make relative position inside of the edited inset relative to sl.inset()
2929 // In case of an RTL inset, the edited inset will be positioned to the left
2932 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2933 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2938 // remember width for the case that sl.inset() is positioned in an RTL inset
2939 lastw = sl.inset().dimension(*this).wid;
2941 //lyxerr << "Cursor::getPos, i: "
2942 // << i << " x: " << xx << " y: " << y << endl;
2945 // Add contribution of initial rows of outermost paragraph
2946 CursorSlice const & sl = dit[0];
2947 TextMetrics const & tm = textMetrics(sl.text());
2948 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2950 LBUFERR(!pm.rows().empty());
2951 y -= pm.rows()[0].ascent();
2953 // FIXME: document this mess
2955 if (sl.pos() > 0 && dit.depth() == 1) {
2957 if (pos && dit.boundary())
2959 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2960 rend = pm.pos2row(pos);
2962 rend = pm.pos2row(sl.pos());
2964 size_t rend = pm.pos2row(sl.pos());
2966 for (size_t rit = 0; rit != rend; ++rit)
2967 y += pm.rows()[rit].height();
2968 y += pm.rows()[rend].ascent();
2970 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2972 // Make relative position from the nested inset now bufferview absolute.
2973 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2976 // In the RTL case place the nested inset at the left of the cursor in
2977 // the outer paragraph
2978 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2979 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2987 Point BufferView::getPos(DocIterator const & dit) const
2989 if (!paragraphVisible(dit))
2990 return Point(-1, -1);
2992 CursorSlice const & bot = dit.bottom();
2993 TextMetrics const & tm = textMetrics(bot.text());
2995 // offset from outer paragraph
2996 Point p = coordOffset(dit);
2997 p.y_ += tm.parMetrics(bot.pit()).position();
3002 bool BufferView::paragraphVisible(DocIterator const & dit) const
3004 CursorSlice const & bot = dit.bottom();
3005 TextMetrics const & tm = textMetrics(bot.text());
3007 return tm.contains(bot.pit());
3011 void BufferView::setCaretAscentDescent(int asc, int des)
3013 d->caret_ascent_ = asc;
3014 d->caret_descent_ = des;
3018 void BufferView::caretPosAndHeight(Point & p, int & h) const
3021 Cursor const & cur = cursor();
3022 if (cur.inMathed()) {
3023 asc = d->caret_ascent_;
3024 des = d->caret_descent_;
3026 Font const font = cur.real_current_font;
3027 frontend::FontMetrics const & fm = theFontMetrics(font);
3028 asc = fm.maxAscent();
3029 des = fm.maxDescent();
3037 bool BufferView::cursorInView(Point const & p, int h) const
3039 Cursor const & cur = cursor();
3040 // does the cursor touch the screen ?
3041 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3047 int BufferView::horizScrollOffset() const
3049 return d->horiz_scroll_offset_;
3053 int BufferView::horizScrollOffset(Text const * text,
3054 pit_type pit, pos_type pos) const
3056 // Is this a row that is currently scrolled?
3057 if (!d->current_row_slice_.empty()
3058 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3059 && pit == d->current_row_slice_.pit()
3060 && pos == d->current_row_slice_.pos())
3061 return d->horiz_scroll_offset_;
3066 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3068 // nothing to do if the cursor was already on this row
3069 if (d->current_row_slice_ == rowSlice)
3072 // if the (previous) current row was scrolled, we have to
3073 // remember it in order to repaint it next time.
3074 if (d->horiz_scroll_offset_ != 0) {
3075 // search the old row in cache and mark it changed
3076 for (auto & tm_pair : d->text_metrics_) {
3077 if (&tm_pair.first->inset() == rowSlice.inset().asInsetText()) {
3078 tm_pair.second.setRowChanged(rowSlice.pit(), rowSlice.pos());
3079 // We found it, no need to continue.
3085 // Since we changed row, the scroll offset is not valid anymore
3086 d->horiz_scroll_offset_ = 0;
3087 d->current_row_slice_ = rowSlice;
3091 void BufferView::checkCursorScrollOffset()
3093 CursorSlice rowSlice = d->cursor_.bottom();
3094 TextMetrics const & tm = textMetrics(rowSlice.text());
3096 // Stop if metrics have not been computed yet, since it means
3097 // that there is nothing to do.
3098 if (!tm.contains(rowSlice.pit()))
3100 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3101 Row const & row = pm.getRow(rowSlice.pos(),
3102 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3103 rowSlice.pos() = row.pos();
3105 // Set the row on which the cursor lives.
3106 setCurrentRowSlice(rowSlice);
3108 // Current x position of the cursor in pixels
3109 int cur_x = getPos(d->cursor_).x_;
3111 // Horizontal scroll offset of the cursor row in pixels
3112 int offset = d->horiz_scroll_offset_;
3113 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3115 if (row.right_x() <= workWidth() - row.right_margin) {
3116 // Row is narrower than the work area, no offset needed.
3119 if (cur_x - offset < MARGIN) {
3120 // cursor would be too far right
3121 offset = cur_x - MARGIN;
3122 } else if (cur_x - offset > workWidth() - MARGIN) {
3123 // cursor would be too far left
3124 offset = cur_x - workWidth() + MARGIN;
3126 // Correct the offset to make sure that we do not scroll too much
3129 if (row.right_x() - offset < workWidth() - row.right_margin)
3130 offset = row.right_x() - workWidth() + row.right_margin;
3133 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3135 if (offset != d->horiz_scroll_offset_)
3136 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3137 << d->horiz_scroll_offset_ << " to " << offset);
3139 if (d->update_strategy_ == NoScreenUpdate
3140 && offset != d->horiz_scroll_offset_) {
3141 // FIXME: if one uses SingleParUpdate, then home/end
3142 // will not work on long rows. Why?
3143 d->update_strategy_ = FullScreenUpdate;
3146 d->horiz_scroll_offset_ = offset;
3150 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3152 if (height_ == 0 || width_ == 0)
3154 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3155 : "\t\t*** START DRAWING ***"));
3156 Text & text = buffer_.text();
3157 TextMetrics const & tm = d->text_metrics_[&text];
3158 int const y = tm.first().second->position();
3159 PainterInfo pi(this, pain);
3161 // Check whether the row where the cursor lives needs to be scrolled.
3162 // Update the drawing strategy if needed.
3163 checkCursorScrollOffset();
3165 switch (d->update_strategy_) {
3167 case NoScreenUpdate:
3168 // no screen painting is actually needed. In nodraw stage
3169 // however, the different coordinates of insets and paragraphs
3170 // needs to be updated.
3171 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3172 pi.full_repaint = false;
3173 if (pain.isNull()) {
3174 pi.full_repaint = true;
3177 pi.full_repaint = false;
3182 case SingleParUpdate:
3183 pi.full_repaint = false;
3184 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3185 // In general, only the current row of the outermost paragraph
3186 // will be redrawn. Particular cases where selection spans
3187 // multiple paragraph are correctly detected in TextMetrics.
3191 case DecorationUpdate:
3192 // FIXME: We should also distinguish DecorationUpdate to avoid text
3193 // drawing if possible. This is not possible to do easily right now
3194 // because of the single backing pixmap.
3196 case FullScreenUpdate:
3198 LYXERR(Debug::PAINTING,
3199 ((d->update_strategy_ == FullScreenUpdate)
3200 ? "Strategy: FullScreenUpdate"
3201 : "Strategy: DecorationUpdate"));
3203 // The whole screen, including insets, will be refreshed.
3204 pi.full_repaint = true;
3206 // Clear background.
3207 pain.fillRectangle(0, 0, width_, height_,
3208 pi.backgroundColor(&buffer_.inset()));
3213 // and possibly grey out below
3214 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3215 int const y2 = lastpm.second->position() + lastpm.second->descent();
3218 Color color = buffer().isInternal()
3219 ? Color_background : Color_bottomarea;
3220 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3224 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3225 : "\t\t *** END DRAWING ***"));
3227 // The scrollbar needs an update.
3230 // Normalize anchor for next time
3231 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3232 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3233 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3234 ParagraphMetrics const & pm = tm.parMetrics(pit);
3235 if (pm.position() + pm.descent() > 0) {
3236 if (d->anchor_pit_ != pit
3237 || d->anchor_ypos_ != pm.position())
3238 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3239 << " anchor ypos = " << d->anchor_ypos_);
3240 d->anchor_pit_ = pit;
3241 d->anchor_ypos_ = pm.position();
3245 if (!pain.isNull()) {
3246 // reset the update flags, everything has been done
3247 d->update_flags_ = Update::None;
3250 // If a caret has to be painted, mark its text row as dirty to
3251 //make sure that it will be repainted on next redraw.
3252 /* FIXME: investigate whether this can be avoided when the cursor did not
3256 Row const & caret_row = d->cursor_.textRow();
3257 caret_row.changed(true);
3262 void BufferView::message(docstring const & msg)
3265 d->gui_->message(msg);
3269 void BufferView::showDialog(string const & name)
3272 d->gui_->showDialog(name, string());
3276 void BufferView::showDialog(string const & name,
3277 string const & data, Inset * inset)
3280 d->gui_->showDialog(name, data, inset);
3284 void BufferView::updateDialog(string const & name, string const & data)
3287 d->gui_->updateDialog(name, data);
3291 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3297 // FIXME: Move this out of BufferView again
3298 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3300 if (!fname.isReadableFile()) {
3301 docstring const error = from_ascii(strerror(errno));
3302 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3303 docstring const text =
3304 bformat(_("Could not read the specified document\n"
3305 "%1$s\ndue to the error: %2$s"), file, error);
3306 Alert::error(_("Could not read file"), text);
3310 if (!fname.isReadableFile()) {
3311 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3312 docstring const text =
3313 bformat(_("%1$s\n is not readable."), file);
3314 Alert::error(_("Could not open file"), text);
3318 // FIXME UNICODE: We don't know the encoding of the file
3319 docstring file_content = fname.fileContents("UTF-8");
3320 if (file_content.empty()) {
3321 Alert::error(_("Reading not UTF-8 encoded file"),
3322 _("The file is not UTF-8 encoded.\n"
3323 "It will be read as local 8Bit-encoded.\n"
3324 "If this does not give the correct result\n"
3325 "then please change the encoding of the file\n"
3326 "to UTF-8 with a program other than LyX.\n"));
3327 file_content = fname.fileContents("local8bit");
3330 return normalize_c(file_content);
3334 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3336 docstring const tmpstr = contentsOfPlaintextFile(f);
3341 Cursor & cur = cursor();
3342 cap::replaceSelection(cur);
3343 buffer_.undo().recordUndo(cur);
3345 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3347 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3349 buffer_.changed(true);
3353 docstring const & BufferView::inlineCompletion() const
3355 return d->inlineCompletion_;
3359 size_t const & BufferView::inlineCompletionUniqueChars() const
3361 return d->inlineCompletionUniqueChars_;
3365 DocIterator const & BufferView::inlineCompletionPos() const
3367 return d->inlineCompletionPos_;
3371 void BufferView::resetInlineCompletionPos()
3373 d->inlineCompletionPos_ = DocIterator();
3377 bool samePar(DocIterator const & a, DocIterator const & b)
3379 if (a.empty() && b.empty())
3381 if (a.empty() || b.empty())
3383 if (a.depth() != b.depth())
3385 return &a.innerParagraph() == &b.innerParagraph();
3389 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3390 docstring const & completion, size_t uniqueChars)
3392 uniqueChars = min(completion.size(), uniqueChars);
3393 bool changed = d->inlineCompletion_ != completion
3394 || d->inlineCompletionUniqueChars_ != uniqueChars;
3395 bool singlePar = true;
3396 d->inlineCompletion_ = completion;
3397 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3399 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3402 DocIterator const & old = d->inlineCompletionPos_;
3404 //lyxerr << "inlineCompletionPos changed" << std::endl;
3405 // old or pos are in another paragraph?
3406 if ((!samePar(cur, pos) && !pos.empty())
3407 || (!samePar(cur, old) && !old.empty())) {
3409 //lyxerr << "different paragraph" << std::endl;
3411 d->inlineCompletionPos_ = pos;
3416 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3417 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3419 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3424 bool BufferView::clickableInset() const
3426 return d->clickable_inset_;