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_;
319 /// a slice pointing to the start of the row where cursor was
320 /// at previous draw event
321 CursorSlice last_row_slice_;
323 // The vertical size of the blinking caret. Only used for math
324 // Using it for text could be bad when undo restores the cursor
325 // current font, since the caret size could become wrong.
331 BufferView::BufferView(Buffer & buf)
332 : width_(0), height_(0), full_screen_(false), buffer_(buf),
333 d(new Private(*this))
335 d->xsel_cache_.set = false;
336 d->intl_.initKeyMapper(lyxrc.use_kbmap);
338 d->cursor_.setBuffer(&buf);
339 d->cursor_.push(buffer_.inset());
340 d->cursor_.resetAnchor();
341 d->cursor_.setCurrentFont();
343 buffer_.updatePreviews();
347 BufferView::~BufferView()
349 // current buffer is going to be switched-off, save cursor pos
350 // Ideally, the whole cursor stack should be saved, but session
351 // currently can only handle bottom (whole document) level pit and pos.
352 // That is to say, if a cursor is in a nested inset, it will be
353 // restore to the left of the top level inset.
354 LastFilePosSection::FilePos fp;
355 fp.pit = d->cursor_.bottom().pit();
356 fp.pos = d->cursor_.bottom().pos();
357 theSession().lastFilePos().save(buffer_.fileName(), fp);
360 d->last_inset_->setMouseHover(this, false);
366 int BufferView::rightMargin() const
368 // The value used to be hardcoded to 10
369 int const default_margin = zoomedPixels(10);
370 // The additional test for the case the outliner is opened.
371 if (!full_screen_ || !lyxrc.full_screen_limit
372 || width_ < lyxrc.full_screen_width + 2 * default_margin)
373 return default_margin;
375 return (width_ - lyxrc.full_screen_width) / 2;
379 int BufferView::leftMargin() const
381 return rightMargin();
385 int BufferView::inPixels(Length const & len) const
387 Font const font = buffer().params().getFont();
388 return len.inPixels(workWidth(), theFontMetrics(font).em());
392 int BufferView::zoomedPixels(int pix) const
394 // FIXME: the dpi setting should really depend on the BufferView
395 // (think different monitors).
397 // Zoom factor specified by user in percent
398 double const zoom = lyxrc.currentZoom / 100.0; // [percent]
400 // DPI setting for monitor relative to 100dpi
401 double const dpizoom = lyxrc.dpi / 100.0; // [per 100dpi]
403 return support::iround(pix * zoom * dpizoom);
407 bool BufferView::isTopScreen() const
409 return 0 == d->scrollbarParameters_.min;
413 bool BufferView::isBottomScreen() const
415 return 0 == d->scrollbarParameters_.max;
419 Intl & BufferView::getIntl()
425 Intl const & BufferView::getIntl() const
431 CoordCache & BufferView::coordCache()
433 return d->coord_cache_;
437 CoordCache const & BufferView::coordCache() const
439 return d->coord_cache_;
443 Buffer & BufferView::buffer()
449 Buffer const & BufferView::buffer() const
455 bool BufferView::needsFitCursor() const
457 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
458 frontend::FontMetrics const & fm =
459 theFontMetrics(d->cursor_.getFont().fontInfo());
460 int const asc = fm.maxAscent();
461 int const des = fm.maxDescent();
462 Point const p = getPos(d->cursor_);
463 if (p.y_ - asc >= 0 && p.y_ + des < height_)
472 // this is for debugging only.
473 string flagsAsString(Update::flags flags)
475 if (flags == Update::None)
477 return string((flags & Update::FitCursor) ? "FitCursor " : "")
478 + ((flags & Update::Force) ? "Force " : "")
479 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
480 + ((flags & Update::SinglePar) ? "SinglePar " : "")
481 + ((flags & Update::Decoration) ? "Decoration " : "");
486 void BufferView::processUpdateFlags(Update::flags flags)
488 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
489 << flagsAsString(flags) << ") buffer: " << &buffer_);
491 // Case when no explicit update is requested.
492 if (flags == Update::None)
495 /* FIXME We would like to avoid doing this here, since it is very
496 * expensive and is called in updateBuffer already. However, even
497 * inserting a plain character can invalidate the overly fragile
498 * tables of child documents built by updateMacros. Some work is
499 * needed to avoid doing that when not necessary.
501 buffer_.updateMacros();
503 // SinglePar is ignored for now (this should probably change). We
504 // set it ourselves below, at the price of always rebreaking the
505 // paragraph at cursor. This can be expensive for large tables.
506 flags = flags & ~Update::SinglePar;
508 // First check whether the metrics and inset positions should be updated
509 if (flags & Update::Force) {
510 // This will update the CoordCache items and replace Force
511 // with ForceDraw in flags.
512 updateMetrics(flags);
515 // Detect whether we can only repaint a single paragraph.
516 // We handle this before FitCursor because the later will require
517 // correct metrics at cursor position.
518 if (!(flags & Update::ForceDraw)) {
519 if (singleParUpdate())
520 flags = flags | Update::SinglePar;
522 updateMetrics(flags);
525 // Then make sure that the screen contains the cursor if needed
526 if (flags & Update::FitCursor) {
527 if (needsFitCursor()) {
528 scrollToCursor(d->cursor_, false);
529 // Metrics have to be recomputed (maybe again)
530 updateMetrics(flags);
532 flags = flags & ~Update::FitCursor;
535 // Add flags to the the update flags. These will be reset to None
536 // after the redraw is actually done
537 d->update_flags_ = d->update_flags_ | flags;
538 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
540 // Now compute the update strategy
541 // Possibly values in flag are None, Decoration, ForceDraw
542 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
543 | Update::Decoration | Update::ForceDraw)) == 0);
545 if (d->update_flags_ & Update::ForceDraw)
546 d->update_strategy_ = FullScreenUpdate;
547 else if (d->update_flags_ & Update::Decoration)
548 d->update_strategy_ = DecorationUpdate;
549 else if (d->update_flags_ & Update::SinglePar)
550 d->update_strategy_ = SingleParUpdate;
552 // no need to redraw anything.
553 d->update_strategy_ = NoScreenUpdate;
556 updateHoveredInset();
559 buffer_.changed(false);
563 void BufferView::updateScrollbar()
565 if (height_ == 0 && width_ == 0)
568 // We prefer fixed size line scrolling.
569 d->scrollbarParameters_.single_step = defaultRowHeight();
570 // We prefer full screen page scrolling.
571 d->scrollbarParameters_.page_step = height_;
573 Text & t = buffer_.text();
574 TextMetrics & tm = d->text_metrics_[&t];
576 LYXERR(Debug::GUI, " Updating scrollbar: height: "
577 << t.paragraphs().size()
578 << " curr par: " << d->cursor_.bottom().pit()
579 << " default height " << defaultRowHeight());
581 size_t const parsize = t.paragraphs().size();
582 if (d->par_height_.size() != parsize) {
583 d->par_height_.clear();
584 // FIXME: We assume a default paragraph height of 2 rows. This
585 // should probably be pondered with the screen width.
586 d->par_height_.resize(parsize, defaultRowHeight() * 2);
589 // Look at paragraph heights on-screen
590 pair<pit_type, ParagraphMetrics const *> first = tm.first();
591 pair<pit_type, ParagraphMetrics const *> last = tm.last();
592 for (pit_type pit = first.first; pit <= last.first; ++pit) {
593 d->par_height_[pit] = tm.parMetrics(pit).height();
594 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
595 << d->par_height_[pit]);
598 int top_pos = first.second->position() - first.second->ascent();
599 int bottom_pos = last.second->position() + last.second->descent();
600 bool first_visible = first.first == 0 && top_pos >= 0;
601 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
602 if (first_visible && last_visible) {
603 d->scrollbarParameters_.min = 0;
604 d->scrollbarParameters_.max = 0;
608 d->scrollbarParameters_.min = top_pos;
609 for (size_t i = 0; i != size_t(first.first); ++i)
610 d->scrollbarParameters_.min -= d->par_height_[i];
611 d->scrollbarParameters_.max = bottom_pos;
612 for (size_t i = last.first + 1; i != parsize; ++i)
613 d->scrollbarParameters_.max += d->par_height_[i];
615 // The reference is the top position so we remove one page.
616 if (lyxrc.scroll_below_document)
617 d->scrollbarParameters_.max -= minVisiblePart();
619 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
621 // 0 must be inside the range as it denotes the current position
622 if (d->scrollbarParameters_.max < 0)
623 d->scrollbarParameters_.max = 0;
624 if (d->scrollbarParameters_.min > 0)
625 d->scrollbarParameters_.min = 0;
629 ScrollbarParameters const & BufferView::scrollbarParameters() const
631 return d->scrollbarParameters_;
635 docstring BufferView::toolTip(int x, int y) const
637 // Get inset under mouse, if there is one.
638 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
640 // No inset, no tooltip...
642 return covering_inset->toolTip(*this, x, y);
646 string BufferView::contextMenu(int x, int y) const
648 //If there is a selection, return the containing inset menu
649 if (d->cursor_.selection())
650 return d->cursor_.inset().contextMenu(*this, x, y);
652 // Get inset under mouse, if there is one.
653 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
655 return covering_inset->contextMenu(*this, x, y);
657 return buffer_.inset().contextMenu(*this, x, y);
662 void BufferView::scrollDocView(int const value, bool update)
664 // The scrollbar values are relative to the top of the screen, therefore the
665 // offset is equal to the target value.
667 // No scrolling at all? No need to redraw anything
671 // If the offset is less than 2 screen height, prefer to scroll instead.
672 if (abs(value) <= 2 * height_) {
673 d->anchor_ypos_ -= value;
674 processUpdateFlags(Update::Force);
678 // cut off at the top
679 if (value <= d->scrollbarParameters_.min) {
680 DocIterator dit = doc_iterator_begin(&buffer_);
681 showCursor(dit, false, update);
682 LYXERR(Debug::SCROLLING, "scroll to top");
686 // cut off at the bottom
687 if (value >= d->scrollbarParameters_.max) {
688 DocIterator dit = doc_iterator_end(&buffer_);
690 showCursor(dit, false, update);
691 LYXERR(Debug::SCROLLING, "scroll to bottom");
695 // find paragraph at target position
696 int par_pos = d->scrollbarParameters_.min;
698 for (; i != int(d->par_height_.size()); ++i) {
699 par_pos += d->par_height_[i];
700 if (par_pos >= value)
704 if (par_pos < value) {
705 // It seems we didn't find the correct pit so stay on the safe side and
707 LYXERR0("scrolling position not found!");
708 scrollDocView(d->scrollbarParameters_.max, update);
712 DocIterator dit = doc_iterator_begin(&buffer_);
714 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
715 showCursor(dit, false, update);
719 // FIXME: this method is not working well.
720 void BufferView::setCursorFromScrollbar()
722 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
724 int const height = 2 * defaultRowHeight();
725 int const first = height;
726 int const last = height_ - height;
728 Cursor const & oldcur = d->cursor_;
730 switch (cursorStatus(oldcur)) {
738 int const y = getPos(oldcur).y_;
739 newy = min(last, max(y, first));
743 // We reset the cursor because cursorStatus() does not
744 // work when the cursor is within mathed.
747 tm.setCursorFromCoordinates(cur, 0, newy);
749 // update the bufferview cursor and notify insets
750 // FIXME: Care about the d->cursor_ flags to redraw if needed
751 Cursor old = d->cursor_;
753 // the DEPM call in mouseSetCursor() might have destroyed the
754 // paragraph the cursor is in.
755 bool badcursor = old.fixIfBroken();
756 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
758 d->cursor_.fixIfBroken();
762 Change const BufferView::getCurrentChange() const
764 if (!d->cursor_.selection())
765 return Change(Change::UNCHANGED);
767 DocIterator dit = d->cursor_.selectionBegin();
768 // The selected content might have been changed (see #7685)
769 dit = dit.getInnerText();
770 return dit.paragraph().lookupChange(dit.pos());
774 // this could be used elsewhere as well?
775 // FIXME: This does not work within mathed!
776 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
778 Point const p = getPos(dit);
781 if (p.y_ > workHeight())
787 void BufferView::bookmarkEditPosition()
789 // Don't eat cpu time for each keystroke
790 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
793 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
797 void BufferView::saveBookmark(unsigned int idx)
799 // tentatively save bookmark, id and pos will be used to
800 // acturately locate a bookmark in a 'live' lyx session.
801 // pit and pos will be updated with bottom level pit/pos
803 if (!buffer_.isInternal()) {
804 theSession().bookmarks().save(
806 d->cursor_.bottom().pit(),
807 d->cursor_.bottom().pos(),
808 d->cursor_.paragraph().id(),
813 // emit message signal.
814 message(_("Save bookmark"));
819 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
820 int top_id, pos_type top_pos)
822 bool success = false;
825 d->cursor_.clearSelection();
827 // if a valid par_id is given, try it first
828 // This is the case for a 'live' bookmark when unique paragraph ID
829 // is used to track bookmarks.
831 dit = buffer_.getParFromID(top_id);
833 dit.pos() = min(dit.paragraph().size(), top_pos);
834 // Some slices of the iterator may not be
835 // reachable (e.g. closed collapsible inset)
836 // so the dociterator may need to be
837 // shortened. Otherwise, setCursor may crash
838 // lyx when the cursor can not be set to these
840 size_t const n = dit.depth();
841 for (size_t i = 0; i < n; ++i)
842 if (!dit[i].inset().editable()) {
850 // if top_id == 0, or searching through top_id failed
851 // This is the case for a 'restored' bookmark when only bottom
852 // (document level) pit was saved. Because of this, bookmark
853 // restoration is inaccurate. If a bookmark was within an inset,
854 // it will be restored to the left of the outmost inset that contains
856 if (bottom_pit < int(buffer_.paragraphs().size())) {
857 dit = doc_iterator_begin(&buffer_);
859 dit.pit() = bottom_pit;
860 dit.pos() = min(bottom_pos, dit.paragraph().size());
865 // Note: only bottom (document) level pit is set.
867 // set the current font.
868 d->cursor_.setCurrentFont();
869 // Do not forget to reset the anchor (see #9912)
870 d->cursor_.resetAnchor();
871 processUpdateFlags(Update::Force | Update::FitCursor);
878 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
880 if (d->cursor_.real_current_font.isRightToLeft()) {
881 if (d->intl_.keymap == Intl::PRIMARY)
882 d->intl_.keyMapSec();
884 if (d->intl_.keymap == Intl::SECONDARY)
885 d->intl_.keyMapPrim();
888 d->intl_.getTransManager().translateAndInsert(c, t, cur);
892 int BufferView::workWidth() const
898 void BufferView::recenter()
900 showCursor(d->cursor_, true, true);
904 void BufferView::showCursor()
906 showCursor(d->cursor_, false, true);
910 void BufferView::showCursor(DocIterator const & dit,
911 bool recenter, bool update)
913 if (scrollToCursor(dit, recenter) && update)
914 processUpdateFlags(Update::Force);
918 void BufferView::scrollToCursor()
920 if (scrollToCursor(d->cursor_, false))
921 processUpdateFlags(Update::Force);
925 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
927 // We are not properly started yet, delay until resizing is
932 LYXERR(Debug::SCROLLING, "recentering!");
934 CursorSlice const & bot = dit.bottom();
935 TextMetrics & tm = d->text_metrics_[bot.text()];
937 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
938 int bot_pit = bot.pit();
939 if (bot_pit > max_pit) {
940 // FIXME: Why does this happen?
941 LYXERR0("bottom pit is greater that max pit: "
942 << bot_pit << " > " << max_pit);
946 if (bot_pit == tm.first().first - 1)
947 tm.newParMetricsUp();
948 else if (bot_pit == tm.last().first + 1)
949 tm.newParMetricsDown();
951 if (tm.contains(bot_pit)) {
952 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
953 LBUFERR(!pm.rows().empty());
954 // FIXME: smooth scrolling doesn't work in mathed.
955 CursorSlice const & cs = dit.innerTextSlice();
956 int offset = coordOffset(dit).y_;
957 int ypos = pm.position() + offset;
958 Dimension const & row_dim =
959 pm.getRow(cs.pos(), dit.boundary()).dimension();
962 scrolled = scroll(ypos - height_/2);
964 // We try to visualize the whole row, if the row height is larger than
965 // the screen height, we scroll to a heuristic value of height_ / 4.
966 // FIXME: This heuristic value should be replaced by a recursive search
967 // for a row in the inset that can be visualized completely.
968 else if (row_dim.height() > height_) {
969 if (ypos < defaultRowHeight())
970 scrolled = scroll(ypos - height_ / 4);
971 else if (ypos > height_ - defaultRowHeight())
972 scrolled = scroll(ypos - 3 * height_ / 4);
975 // If the top part of the row falls of the screen, we scroll
976 // up to align the top of the row with the top of the screen.
977 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
978 int ynew = row_dim.ascent();
979 scrolled = scrollUp(ynew - ypos);
982 // If the bottom of the row falls of the screen, we scroll down.
983 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
984 int ynew = height_ - row_dim.descent();
985 scrolled = scrollDown(ypos - ynew);
988 // else, nothing to do, the cursor is already visible so we just return.
989 return scrolled != 0;
992 // fix inline completion position
993 if (d->inlineCompletionPos_.fixIfBroken())
994 d->inlineCompletionPos_ = DocIterator();
996 tm.redoParagraph(bot_pit);
997 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
998 int offset = coordOffset(dit).y_;
1000 d->anchor_pit_ = bot_pit;
1001 CursorSlice const & cs = dit.innerTextSlice();
1002 Dimension const & row_dim =
1003 pm.getRow(cs.pos(), dit.boundary()).dimension();
1006 d->anchor_ypos_ = height_/2;
1007 else if (d->anchor_pit_ == 0)
1008 d->anchor_ypos_ = offset + pm.ascent();
1009 else if (d->anchor_pit_ == max_pit)
1010 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1011 else if (offset > height_)
1012 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1014 d->anchor_ypos_ = defaultRowHeight() * 2;
1020 void BufferView::makeDocumentClass()
1022 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1023 buffer_.params().makeDocumentClass();
1024 updateDocumentClass(olddc);
1028 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1030 message(_("Converting document to new document class..."));
1032 StableDocIterator backcur(d->cursor_);
1033 ErrorList & el = buffer_.errorList("Class Switch");
1034 cap::switchBetweenClasses(
1035 olddc, buffer_.params().documentClassPtr(),
1036 static_cast<InsetText &>(buffer_.inset()), el);
1038 setCursor(backcur.asDocIterator(&buffer_));
1040 buffer_.errors("Class Switch");
1044 /** Return the change status at cursor position, taking into account the
1045 * status at each level of the document iterator (a table in a deleted
1046 * footnote is deleted).
1047 * When \param outer is true, the top slice is not looked at.
1049 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1051 size_t const depth = dit.depth() - (outer ? 1 : 0);
1053 for (size_t i = 0 ; i < depth ; ++i) {
1054 CursorSlice const & slice = dit[i];
1055 if (!slice.inset().inMathed()
1056 && slice.pos() < slice.paragraph().size()) {
1057 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1058 if (ch != Change::UNCHANGED)
1062 return Change::UNCHANGED;
1066 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1068 FuncCode const act = cmd.action();
1070 // Can we use a readonly buffer?
1071 if (buffer_.isReadonly()
1072 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1073 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1074 if (buffer_.hasReadonlyFlag())
1075 flag.message(from_utf8(N_("Document is read-only")));
1077 flag.message(from_utf8(N_("Document has been modified externally")));
1078 flag.setEnabled(false);
1082 // Are we in a DELETED change-tracking region?
1083 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1084 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1085 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1086 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1087 flag.setEnabled(false);
1091 Cursor & cur = d->cursor_;
1093 if (cur.getStatus(cmd, flag))
1098 // FIXME: This is a bit problematic because we don't check if this is
1099 // a document BufferView or not for these LFUNs. We probably have to
1100 // dispatch both to currentBufferView() and, if that fails,
1101 // to documentBufferView(); same as we do now for current Buffer and
1102 // document Buffer. Ideally those LFUN should go to Buffer as they
1103 // operate on the full Buffer and the cursor is only needed either for
1104 // an Undo record or to restore a cursor position. But we don't know
1105 // how to do that inside Buffer of course.
1106 case LFUN_BUFFER_PARAMS_APPLY:
1107 case LFUN_LAYOUT_MODULES_CLEAR:
1108 case LFUN_LAYOUT_MODULE_ADD:
1109 case LFUN_LAYOUT_RELOAD:
1110 case LFUN_TEXTCLASS_APPLY:
1111 case LFUN_TEXTCLASS_LOAD:
1112 flag.setEnabled(!buffer_.isReadonly());
1116 // We do not use the LyXAction flag for readonly because Undo sets the
1117 // buffer clean/dirty status by itself.
1118 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1121 // We do not use the LyXAction flag for readonly because Redo sets the
1122 // buffer clean/dirty status by itself.
1123 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1125 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1126 case LFUN_FILE_INSERT_PLAINTEXT: {
1127 docstring const fname = cmd.argument();
1128 if (!FileName::isAbsolute(to_utf8(fname))) {
1129 flag.message(_("Absolute filename expected."));
1132 flag.setEnabled(cur.inTexted());
1135 case LFUN_FILE_INSERT:
1136 case LFUN_BOOKMARK_SAVE:
1137 // FIXME: Actually, these LFUNS should be moved to Text
1138 flag.setEnabled(cur.inTexted());
1141 case LFUN_FONT_STATE:
1142 case LFUN_LABEL_INSERT:
1143 case LFUN_INFO_INSERT:
1144 case LFUN_PARAGRAPH_GOTO:
1145 case LFUN_NOTE_NEXT:
1146 case LFUN_REFERENCE_NEXT:
1147 case LFUN_WORD_FIND:
1148 case LFUN_WORD_FIND_FORWARD:
1149 case LFUN_WORD_FIND_BACKWARD:
1150 case LFUN_WORD_REPLACE:
1153 case LFUN_MARK_TOGGLE:
1154 case LFUN_SCREEN_RECENTER:
1155 case LFUN_SCREEN_SHOW_CURSOR:
1156 case LFUN_BIBTEX_DATABASE_ADD:
1157 case LFUN_BIBTEX_DATABASE_DEL:
1158 case LFUN_STATISTICS:
1159 case LFUN_KEYMAP_OFF:
1160 case LFUN_KEYMAP_PRIMARY:
1161 case LFUN_KEYMAP_SECONDARY:
1162 case LFUN_KEYMAP_TOGGLE:
1163 case LFUN_INSET_SELECT_ALL:
1164 flag.setEnabled(true);
1167 case LFUN_GRAPHICS_UNIFY:
1168 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1171 case LFUN_WORD_FINDADV: {
1172 FindAndReplaceOptions opt;
1173 istringstream iss(to_utf8(cmd.argument()));
1175 flag.setEnabled(opt.repl_buf_name.empty()
1176 || !buffer_.isReadonly());
1180 case LFUN_LABEL_GOTO:
1181 flag.setEnabled(!cmd.argument().empty()
1182 || getInsetByCode<InsetRef>(cur, REF_CODE));
1185 case LFUN_CHANGES_MERGE:
1186 case LFUN_CHANGE_NEXT:
1187 case LFUN_CHANGE_PREVIOUS:
1188 case LFUN_ALL_CHANGES_ACCEPT:
1189 case LFUN_ALL_CHANGES_REJECT:
1190 flag.setEnabled(buffer_.areChangesPresent());
1193 case LFUN_SCREEN_UP:
1194 case LFUN_SCREEN_DOWN:
1196 case LFUN_SCREEN_UP_SELECT:
1197 case LFUN_SCREEN_DOWN_SELECT:
1198 case LFUN_INSET_FORALL:
1199 flag.setEnabled(true);
1202 case LFUN_LAYOUT_TABULAR:
1203 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1207 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1210 case LFUN_LAYOUT_PARAGRAPH:
1211 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1214 case LFUN_BRANCH_ADD_INSERT:
1215 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1218 case LFUN_DIALOG_SHOW_NEW_INSET:
1219 // FIXME: this is wrong, but I do not understand the
1221 if (cur.inset().lyxCode() == CAPTION_CODE)
1222 return cur.inset().getStatus(cur, cmd, flag);
1223 // FIXME we should consider passthru paragraphs too.
1224 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1227 case LFUN_CITATION_INSERT: {
1228 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1229 // FIXME: This could turn in a recursive hell.
1230 // Shouldn't we use Buffer::getStatus() instead?
1231 flag.setEnabled(lyx::getStatus(fr).enabled());
1234 case LFUN_INSET_APPLY: {
1235 string const name = cmd.getArg(0);
1236 Inset * inset = editedInset(name);
1238 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1239 if (!inset->getStatus(cur, fr, flag)) {
1240 // Every inset is supposed to handle this
1241 LASSERT(false, break);
1244 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1245 flag = lyx::getStatus(fr);
1258 Inset * BufferView::editedInset(string const & name) const
1260 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1261 return it == d->edited_insets_.end() ? 0 : it->second;
1265 void BufferView::editInset(string const & name, Inset * inset)
1267 d->edited_insets_[name] = inset;
1271 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1273 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1275 string const argument = to_utf8(cmd.argument());
1276 Cursor & cur = d->cursor_;
1279 // Don't dispatch function that does not apply to internal buffers.
1280 if (buffer_.isInternal()
1281 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1284 // We'll set this back to false if need be.
1285 bool dispatched = true;
1286 buffer_.undo().beginUndoGroup();
1288 FuncCode const act = cmd.action();
1291 case LFUN_BUFFER_PARAMS_APPLY: {
1292 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1293 cur.recordUndoBufferParams();
1294 istringstream ss(to_utf8(cmd.argument()));
1297 int const unknown_tokens = buffer_.readHeader(lex);
1298 if (unknown_tokens != 0) {
1299 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1300 << unknown_tokens << " unknown token"
1301 << (unknown_tokens == 1 ? "" : "s"));
1303 updateDocumentClass(olddc);
1305 // We are most certainly here because of a change in the document
1306 // It is then better to make sure that all dialogs are in sync with
1307 // current document settings.
1308 dr.screenUpdate(Update::Force | Update::FitCursor);
1309 dr.forceBufferUpdate();
1313 case LFUN_LAYOUT_MODULES_CLEAR: {
1314 // FIXME: this modifies the document in cap::switchBetweenClasses
1315 // without calling recordUndo. Fix this before using
1316 // recordUndoBufferParams().
1317 cur.recordUndoFullBuffer();
1318 buffer_.params().clearLayoutModules();
1319 makeDocumentClass();
1320 dr.screenUpdate(Update::Force);
1321 dr.forceBufferUpdate();
1325 case LFUN_LAYOUT_MODULE_ADD: {
1326 BufferParams const & params = buffer_.params();
1327 if (!params.layoutModuleCanBeAdded(argument)) {
1328 LYXERR0("Module `" << argument <<
1329 "' cannot be added due to failed requirements or "
1330 "conflicts with installed modules.");
1333 // FIXME: this modifies the document in cap::switchBetweenClasses
1334 // without calling recordUndo. Fix this before using
1335 // recordUndoBufferParams().
1336 cur.recordUndoFullBuffer();
1337 buffer_.params().addLayoutModule(argument);
1338 makeDocumentClass();
1339 dr.screenUpdate(Update::Force);
1340 dr.forceBufferUpdate();
1344 case LFUN_TEXTCLASS_APPLY: {
1345 // since this shortcircuits, the second call is made only if
1347 bool const success =
1348 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1349 LayoutFileList::get().load(argument, buffer_.filePath());
1351 docstring s = bformat(_("The document class `%1$s' "
1352 "could not be loaded."), from_utf8(argument));
1353 frontend::Alert::error(_("Could not load class"), s);
1357 LayoutFile const * old_layout = buffer_.params().baseClass();
1358 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1360 if (old_layout == new_layout)
1364 // Save the old, possibly modular, layout for use in conversion.
1365 // FIXME: this modifies the document in cap::switchBetweenClasses
1366 // without calling recordUndo. Fix this before using
1367 // recordUndoBufferParams().
1368 cur.recordUndoFullBuffer();
1369 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1370 makeDocumentClass();
1371 dr.screenUpdate(Update::Force);
1372 dr.forceBufferUpdate();
1376 case LFUN_TEXTCLASS_LOAD: {
1377 // since this shortcircuits, the second call is made only if
1379 bool const success =
1380 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1381 LayoutFileList::get().load(argument, buffer_.filePath());
1383 docstring s = bformat(_("The document class `%1$s' "
1384 "could not be loaded."), from_utf8(argument));
1385 frontend::Alert::error(_("Could not load class"), s);
1390 case LFUN_LAYOUT_RELOAD: {
1391 LayoutFileIndex bc = buffer_.params().baseClassID();
1392 LayoutFileList::get().reset(bc);
1393 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1394 makeDocumentClass();
1395 dr.screenUpdate(Update::Force);
1396 dr.forceBufferUpdate();
1401 dr.setMessage(_("Undo"));
1402 cur.clearSelection();
1403 // We need to find out if the bibliography information
1404 // has changed. See bug #11055.
1405 // So these should not be references...
1406 string const engine = buffer().params().citeEngine();
1407 CiteEngineType const enginetype = buffer().params().citeEngineType();
1408 if (!cur.undoAction())
1409 dr.setMessage(_("No further undo information"));
1411 dr.screenUpdate(Update::Force | Update::FitCursor);
1412 dr.forceBufferUpdate();
1413 if (buffer().params().citeEngine() != engine ||
1414 buffer().params().citeEngineType() != enginetype)
1415 buffer().invalidateCiteLabels();
1421 dr.setMessage(_("Redo"));
1422 cur.clearSelection();
1423 // We need to find out if the bibliography information
1424 // has changed. See bug #11055.
1425 // So these should not be references...
1426 string const engine = buffer().params().citeEngine();
1427 CiteEngineType const enginetype = buffer().params().citeEngineType();
1428 if (!cur.redoAction())
1429 dr.setMessage(_("No further redo information"));
1431 dr.screenUpdate(Update::Force | Update::FitCursor);
1432 dr.forceBufferUpdate();
1433 if (buffer().params().citeEngine() != engine ||
1434 buffer().params().citeEngineType() != enginetype)
1435 buffer().invalidateCiteLabels();
1440 case LFUN_FONT_STATE:
1441 dr.setMessage(cur.currentState(false));
1444 case LFUN_BOOKMARK_SAVE:
1445 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1448 case LFUN_LABEL_GOTO: {
1449 docstring label = cmd.argument();
1450 if (label.empty()) {
1452 getInsetByCode<InsetRef>(cur, REF_CODE);
1454 label = inset->getParam("reference");
1455 // persistent=false: use temp_bookmark
1459 if (!label.empty()) {
1461 // at the moment, this is redundant, since gotoLabel will
1462 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1464 dr.screenUpdate(Update::Force | Update::FitCursor);
1469 case LFUN_PARAGRAPH_GOTO: {
1470 int const id = convert<int>(cmd.getArg(0));
1471 pos_type const pos = convert<int>(cmd.getArg(1));
1474 string const str_id_end = cmd.getArg(2);
1475 string const str_pos_end = cmd.getArg(3);
1477 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1478 b = theBufferList().next(b)) {
1481 curs.setCursor(b->getParFromID(id));
1483 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1487 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1488 << " found in buffer `"
1489 << b->absFileName() << "'.");
1491 if (b == &buffer_) {
1493 if (str_id_end.empty() || str_pos_end.empty()) {
1496 mouseSetCursor(curs);
1499 int const id_end = convert<int>(str_id_end);
1500 pos_type const pos_end = convert<int>(str_pos_end);
1501 success = setCursorFromEntries({id, pos},
1505 dr.screenUpdate(Update::Force | Update::FitCursor);
1507 // Switch to other buffer view and resend cmd
1508 lyx::dispatch(FuncRequest(
1509 LFUN_BUFFER_SWITCH, b->absFileName()));
1517 case LFUN_NOTE_NEXT:
1518 gotoInset(this, NOTE_CODE, false);
1521 case LFUN_REFERENCE_NEXT: {
1522 vector<InsetCode> tmp;
1523 tmp.push_back(LABEL_CODE);
1524 tmp.push_back(REF_CODE);
1525 gotoInset(this, tmp, true);
1529 case LFUN_CHANGE_NEXT:
1530 findNextChange(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_CHANGE_PREVIOUS:
1536 findPreviousChange(this);
1537 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1538 dr.screenUpdate(Update::Force | Update::FitCursor);
1541 case LFUN_CHANGES_MERGE:
1542 if (findNextChange(this) || findPreviousChange(this)) {
1543 dr.screenUpdate(Update::Force | Update::FitCursor);
1544 dr.forceBufferUpdate();
1545 showDialog("changes");
1549 case LFUN_ALL_CHANGES_ACCEPT:
1550 // select complete document
1552 cur.selHandle(true);
1553 buffer_.text().cursorBottom(cur);
1554 // accept everything in a single step to support atomic undo
1555 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1557 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1558 dr.screenUpdate(Update::Force | Update::FitCursor);
1559 dr.forceBufferUpdate();
1562 case LFUN_ALL_CHANGES_REJECT:
1563 // select complete document
1565 cur.selHandle(true);
1566 buffer_.text().cursorBottom(cur);
1567 // reject everything in a single step to support atomic undo
1568 // Note: reject does not work recursively; the user may have to repeat the operation
1569 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1571 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1572 dr.screenUpdate(Update::Force | Update::FitCursor);
1573 dr.forceBufferUpdate();
1576 case LFUN_WORD_FIND_FORWARD:
1577 case LFUN_WORD_FIND_BACKWARD: {
1579 // Would it maybe be better if this variable were view specific anyway?
1580 static docstring last_search;
1581 docstring searched_string;
1583 if (!cmd.argument().empty()) {
1584 last_search = cmd.argument();
1585 searched_string = cmd.argument();
1587 searched_string = last_search;
1590 if (searched_string.empty())
1593 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1594 docstring const data =
1595 find2string(searched_string, true, false, fw);
1596 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1598 dr.screenUpdate(Update::Force | Update::FitCursor);
1602 case LFUN_WORD_FIND: {
1603 FuncRequest req = cmd;
1604 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1605 req = d->search_request_cache_;
1606 if (req.argument().empty()) {
1607 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1610 if (lyxfind(this, req))
1611 dr.screenUpdate(Update::Force | Update::FitCursor);
1613 d->search_request_cache_ = req;
1617 case LFUN_WORD_REPLACE: {
1618 bool has_deleted = false;
1619 if (cur.selection()) {
1620 DocIterator beg = cur.selectionBegin();
1621 DocIterator end = cur.selectionEnd();
1622 if (beg.pit() == end.pit()) {
1623 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1624 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1631 if (lyxreplace(this, cmd, has_deleted)) {
1632 dr.forceBufferUpdate();
1633 dr.screenUpdate(Update::Force | Update::FitCursor);
1638 case LFUN_WORD_FINDADV: {
1639 FindAndReplaceOptions opt;
1640 istringstream iss(to_utf8(cmd.argument()));
1642 if (findAdv(this, opt)) {
1643 dr.screenUpdate(Update::Force | Update::FitCursor);
1654 cur.clearSelection();
1655 dr.setMessage(from_utf8(N_("Mark off")));
1659 cur.clearSelection();
1661 dr.setMessage(from_utf8(N_("Mark on")));
1664 case LFUN_MARK_TOGGLE:
1665 cur.selection(false);
1668 dr.setMessage(from_utf8(N_("Mark removed")));
1671 dr.setMessage(from_utf8(N_("Mark set")));
1676 case LFUN_SCREEN_SHOW_CURSOR:
1680 case LFUN_SCREEN_RECENTER:
1684 case LFUN_BIBTEX_DATABASE_ADD: {
1685 Cursor tmpcur = cur;
1686 findInset(tmpcur, BIBTEX_CODE, false);
1687 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1690 if (inset->addDatabase(cmd.argument()))
1691 dr.forceBufferUpdate();
1696 case LFUN_BIBTEX_DATABASE_DEL: {
1697 Cursor tmpcur = cur;
1698 findInset(tmpcur, BIBTEX_CODE, false);
1699 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1702 if (inset->delDatabase(cmd.argument()))
1703 dr.forceBufferUpdate();
1708 case LFUN_GRAPHICS_UNIFY: {
1710 cur.recordUndoFullBuffer();
1712 DocIterator from, to;
1713 from = cur.selectionBegin();
1714 to = cur.selectionEnd();
1716 string const newId = cmd.getArg(0);
1717 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1719 InsetGraphicsParams grp_par;
1721 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1723 if (!from.nextInset()) //move to closest inset
1724 from.forwardInset();
1726 while (!from.empty() && from < to) {
1727 Inset * inset = from.nextInset();
1730 InsetGraphics * ig = inset->asInsetGraphics();
1732 InsetGraphicsParams inspar = ig->getParams();
1737 grp_par.filename = inspar.filename;
1738 ig->setParams(grp_par);
1741 from.forwardInset();
1743 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1747 case LFUN_STATISTICS: {
1748 DocIterator from, to;
1749 if (cur.selection()) {
1750 from = cur.selectionBegin();
1751 to = cur.selectionEnd();
1753 from = doc_iterator_begin(&buffer_);
1754 to = doc_iterator_end(&buffer_);
1756 buffer_.updateStatistics(from, to);
1757 int const words = buffer_.wordCount();
1758 int const chars = buffer_.charCount(false);
1759 int const chars_blanks = buffer_.charCount(true);
1761 if (cur.selection())
1762 message = _("Statistics for the selection:");
1764 message = _("Statistics for the document:");
1767 message += bformat(_("%1$d words"), words);
1769 message += _("One word");
1771 if (chars_blanks != 1)
1772 message += bformat(_("%1$d characters (including blanks)"),
1775 message += _("One character (including blanks)");
1778 message += bformat(_("%1$d characters (excluding blanks)"),
1781 message += _("One character (excluding blanks)");
1783 Alert::information(_("Statistics"), message);
1787 case LFUN_SCREEN_UP:
1788 case LFUN_SCREEN_DOWN: {
1789 Point p = getPos(cur);
1790 // This code has been commented out to enable to scroll down a
1791 // document, even if there are large insets in it (see bug #5465).
1792 /*if (p.y_ < 0 || p.y_ > height_) {
1793 // The cursor is off-screen so recenter before proceeding.
1797 int const scrolled = scroll(act == LFUN_SCREEN_UP
1798 ? -height_ : height_);
1799 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1801 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1802 p = Point(width_, height_);
1803 bool const in_texted = cur.inTexted();
1804 cur.setCursor(doc_iterator_begin(cur.buffer()));
1805 cur.selHandle(false);
1806 // Force an immediate computation of metrics because we need it below
1807 processUpdateFlags(Update::Force);
1809 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1810 true, act == LFUN_SCREEN_UP);
1811 //FIXME: what to do with cur.x_target()?
1812 bool update = in_texted && cur.bv().checkDepm(cur, old);
1815 if (update || cur.mark())
1816 dr.screenUpdate(Update::Force | Update::FitCursor);
1818 dr.forceBufferUpdate();
1823 string const scroll_type = cmd.getArg(0);
1824 int scroll_step = 0;
1825 if (scroll_type == "line")
1826 scroll_step = d->scrollbarParameters_.single_step;
1827 else if (scroll_type == "page")
1828 scroll_step = d->scrollbarParameters_.page_step;
1831 string const scroll_quantity = cmd.getArg(1);
1832 if (scroll_quantity == "up")
1833 scrollUp(scroll_step);
1834 else if (scroll_quantity == "down")
1835 scrollDown(scroll_step);
1837 int const scroll_value = convert<int>(scroll_quantity);
1839 scroll(scroll_step * scroll_value);
1841 dr.screenUpdate(Update::ForceDraw);
1842 dr.forceBufferUpdate();
1846 case LFUN_SCREEN_UP_SELECT: {
1847 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1848 cur.selHandle(true);
1849 if (isTopScreen()) {
1850 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1854 int y = getPos(cur).y_;
1855 int const ymin = y - height_ + defaultRowHeight();
1856 while (y > ymin && cur.up())
1860 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1864 case LFUN_SCREEN_DOWN_SELECT: {
1865 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1866 cur.selHandle(true);
1867 if (isBottomScreen()) {
1868 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1872 int y = getPos(cur).y_;
1873 int const ymax = y + height_ - defaultRowHeight();
1874 while (y < ymax && cur.down())
1878 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1883 case LFUN_INSET_SELECT_ALL: {
1884 // true if all cells are selected
1885 bool const all_selected = cur.depth() > 1
1886 && cur.selBegin().at_begin()
1887 && cur.selEnd().at_end();
1888 // true if some cells are selected
1889 bool const cells_selected = cur.depth() > 1
1890 && cur.selBegin().at_cell_begin()
1891 && cur.selEnd().at_cell_end();
1892 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1893 // All the contents of the inset if selected, or only at
1894 // least one cell but inset is not a table.
1895 // Select the inset from outside.
1898 cur.selection(true);
1900 } else if (cells_selected) {
1901 // At least one complete cell is selected and inset is a table.
1906 cur.selection(true);
1907 cur.idx() = cur.lastidx();
1908 cur.pos() = cur.lastpos();
1910 // select current cell
1914 cur.selection(true);
1915 cur.pit() = cur.lastpit();
1916 cur.pos() = cur.lastpos();
1918 cur.setCurrentFont();
1919 dr.screenUpdate(Update::Force);
1924 case LFUN_UNICODE_INSERT: {
1925 if (cmd.argument().empty())
1928 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1929 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1932 docstring const arg = from_utf8(cmd.getArg(i));
1936 LYXERR0("Not a hexstring: " << arg);
1940 char_type c = hexToInt(arg);
1941 if (c >= 32 && c < 0x10ffff) {
1942 LYXERR(Debug::KEY, "Inserting c: " << c);
1943 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1951 // This would be in Buffer class if only Cursor did not
1952 // require a bufferview
1953 case LFUN_INSET_FORALL: {
1954 docstring const name = from_utf8(cmd.getArg(0));
1955 string const commandstr = cmd.getLongArg(1);
1956 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1958 // an arbitrary number to limit number of iterations
1959 const int max_iter = 100000;
1961 Cursor & curs = d->cursor_;
1962 Cursor const savecur = curs;
1964 if (!curs.nextInset())
1965 curs.forwardInset();
1966 curs.beginUndoGroup();
1967 while(curs && iterations < max_iter) {
1968 Inset * const ins = curs.nextInset();
1971 docstring insname = ins->layoutName();
1972 while (!insname.empty()) {
1973 if (insname == name || name == from_utf8("*")) {
1975 lyx::dispatch(fr, dr);
1979 size_t const i = insname.rfind(':');
1980 if (i == string::npos)
1982 insname = insname.substr(0, i);
1984 // if we did not delete the inset, skip it
1985 if (!curs.nextInset() || curs.nextInset() == ins)
1986 curs.forwardInset();
1990 /** This is a dummy undo record only to remember the cursor
1991 * that has just been set; this will be used on a redo action
1992 * (see ticket #10097)
1994 * FIXME: a better fix would be to have a way to set the
1995 * cursor value directly, but I am not sure it is worth it.
1998 curs.endUndoGroup();
1999 dr.screenUpdate(Update::Force);
2000 dr.forceBufferUpdate();
2002 if (iterations >= max_iter) {
2004 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2006 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2011 case LFUN_BRANCH_ADD_INSERT: {
2012 docstring branch_name = from_utf8(cmd.getArg(0));
2013 if (branch_name.empty())
2014 if (!Alert::askForText(branch_name, _("Branch name")) ||
2015 branch_name.empty())
2018 DispatchResult drtmp;
2019 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2020 if (drtmp.error()) {
2021 Alert::warning(_("Branch already exists"), drtmp.message());
2024 docstring const sep = buffer_.params().branchlist().separator();
2025 for (docstring const & branch : getVectorFromString(branch_name, sep))
2026 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2030 case LFUN_KEYMAP_OFF:
2031 getIntl().keyMapOn(false);
2034 case LFUN_KEYMAP_PRIMARY:
2035 getIntl().keyMapPrim();
2038 case LFUN_KEYMAP_SECONDARY:
2039 getIntl().keyMapSec();
2042 case LFUN_KEYMAP_TOGGLE:
2043 getIntl().toggleKeyMap();
2046 case LFUN_DIALOG_SHOW_NEW_INSET: {
2047 string const name = cmd.getArg(0);
2048 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2049 if (decodeInsetParam(name, data, buffer_))
2050 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2052 lyxerr << "Inset type '" << name <<
2053 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2057 case LFUN_CITATION_INSERT: {
2058 if (argument.empty()) {
2059 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2062 // we can have one optional argument, delimited by '|'
2063 // citation-insert <key>|<text_before>
2064 // this should be enhanced to also support text_after
2065 // and citation style
2066 string arg = argument;
2068 if (contains(argument, "|")) {
2069 arg = token(argument, '|', 0);
2070 opt1 = token(argument, '|', 1);
2073 // if our cursor is directly in front of or behind a citation inset,
2074 // we will instead add the new key to it.
2075 Inset * inset = cur.nextInset();
2076 if (!inset || inset->lyxCode() != CITE_CODE)
2077 inset = cur.prevInset();
2078 if (inset && inset->lyxCode() == CITE_CODE) {
2079 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2080 if (icite->addKey(arg)) {
2081 dr.forceBufferUpdate();
2082 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2084 LYXERR0("Discarding optional argument to citation-insert.");
2089 InsetCommandParams icp(CITE_CODE);
2090 icp["key"] = from_utf8(arg);
2092 icp["before"] = from_utf8(opt1);
2094 from_ascii(InsetCitation::last_literal ? "true" : "false");
2095 string icstr = InsetCommand::params2string(icp);
2096 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2101 case LFUN_INSET_APPLY: {
2102 string const name = cmd.getArg(0);
2103 Inset * inset = editedInset(name);
2105 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2109 // put cursor in front of inset.
2110 if (!setCursorFromInset(inset)) {
2111 LASSERT(false, break);
2114 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2115 inset->dispatch(cur, fr);
2116 dr.screenUpdate(cur.result().screenUpdate());
2117 if (cur.result().needBufferUpdate())
2118 dr.forceBufferUpdate();
2123 // The change of language of buffer belongs to the Buffer class.
2124 // We have to do it here because we need a cursor for Undo.
2125 // When Undo::recordUndoBufferParams() is implemented someday
2126 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2127 case LFUN_BUFFER_LANGUAGE: {
2128 Language const * oldL = buffer_.params().language;
2129 Language const * newL = languages.getLanguage(argument);
2130 if (!newL || oldL == newL)
2132 if (oldL->rightToLeft() == newL->rightToLeft()) {
2133 cur.recordUndoFullBuffer();
2134 buffer_.changeLanguage(oldL, newL);
2135 cur.setCurrentFont();
2136 dr.forceBufferUpdate();
2141 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2142 case LFUN_FILE_INSERT_PLAINTEXT: {
2143 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2144 string const fname = to_utf8(cmd.argument());
2145 if (!FileName::isAbsolute(fname))
2146 dr.setMessage(_("Absolute filename expected."));
2148 insertPlaintextFile(FileName(fname), as_paragraph);
2153 // OK, so try the Buffer itself...
2154 buffer_.dispatch(cmd, dr);
2155 dispatched = dr.dispatched();
2159 buffer_.undo().endUndoGroup();
2160 dr.dispatched(dispatched);
2162 // NOTE: The code below is copied from Cursor::dispatch. If you
2163 // need to modify this, please update the other one too.
2165 // notify insets we just entered/left
2166 if (cursor() != old) {
2167 old.beginUndoGroup();
2169 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2171 cursor().fixIfBroken();
2172 resetInlineCompletionPos();
2179 docstring const BufferView::requestSelection()
2181 Cursor & cur = d->cursor_;
2183 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2184 if (!cur.selection()) {
2185 d->xsel_cache_.set = false;
2189 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2190 if (!d->xsel_cache_.set ||
2191 cur.top() != d->xsel_cache_.cursor ||
2192 cur.realAnchor().top() != d->xsel_cache_.anchor)
2194 d->xsel_cache_.cursor = cur.top();
2195 d->xsel_cache_.anchor = cur.realAnchor().top();
2196 d->xsel_cache_.set = cur.selection();
2197 return cur.selectionAsString(false);
2203 void BufferView::clearSelection()
2205 d->cursor_.clearSelection();
2206 // Clear the selection buffer. Otherwise a subsequent
2207 // middle-mouse-button paste would use the selection buffer,
2208 // not the more current external selection.
2209 cap::clearSelection();
2210 d->xsel_cache_.set = false;
2211 // The buffer did not really change, but this causes the
2212 // redraw we need because we cleared the selection above.
2213 buffer_.changed(false);
2217 void BufferView::resize(int width, int height)
2219 // Update from work area
2223 // Clear the paragraph height cache.
2224 d->par_height_.clear();
2225 // Redo the metrics.
2230 Inset const * BufferView::getCoveringInset(Text const & text,
2233 TextMetrics & tm = d->text_metrics_[&text];
2234 Inset * inset = tm.checkInsetHit(x, y);
2238 if (!inset->descendable(*this))
2239 // No need to go further down if the inset is not
2243 size_t cell_number = inset->nargs();
2244 // Check all the inner cell.
2245 for (size_t i = 0; i != cell_number; ++i) {
2246 Text const * inner_text = inset->getText(i);
2249 Inset const * inset_deeper =
2250 getCoveringInset(*inner_text, x, y);
2252 return inset_deeper;
2260 void BufferView::updateHoveredInset() const
2262 // Get inset under mouse, if there is one.
2263 int const x = d->mouse_position_cache_.x_;
2264 int const y = d->mouse_position_cache_.y_;
2265 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2267 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2269 if (covering_inset == d->last_inset_)
2270 // Same inset, no need to do anything...
2273 bool need_redraw = false;
2274 if (d->last_inset_) {
2275 // Remove the hint on the last hovered inset (if any).
2276 need_redraw |= d->last_inset_->setMouseHover(this, false);
2280 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2282 // Only the insets that accept the hover state, do
2283 // clear the last_inset_, so only set the last_inset_
2284 // member if the hovered setting is accepted.
2285 d->last_inset_ = covering_inset;
2289 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2290 << d->mouse_position_cache_.x_ << ", "
2291 << d->mouse_position_cache_.y_ << ")");
2293 d->update_strategy_ = DecorationUpdate;
2295 // This event (moving without mouse click) is not passed further.
2296 // This should be changed if it is further utilized.
2297 buffer_.changed(false);
2302 void BufferView::clearLastInset(Inset * inset) const
2304 if (d->last_inset_ != inset) {
2305 LYXERR0("Wrong last_inset!");
2312 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2314 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2316 // This is only called for mouse related events including
2317 // LFUN_FILE_OPEN generated by drag-and-drop.
2318 FuncRequest cmd = cmd0;
2320 Cursor old = cursor();
2322 cur.push(buffer_.inset());
2323 cur.selection(d->cursor_.selection());
2325 // Either the inset under the cursor or the
2326 // surrounding Text will handle this event.
2328 // make sure we stay within the screen...
2329 cmd.set_y(min(max(cmd.y(), -1), height_));
2331 d->mouse_position_cache_.x_ = cmd.x();
2332 d->mouse_position_cache_.y_ = cmd.y();
2334 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2335 updateHoveredInset();
2339 // Build temporary cursor.
2340 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2342 // If inset is not editable, cur.pos() might point behind the
2343 // inset (depending on cmd.x(), cmd.y()). This is needed for
2344 // editing to fix bug 9628, but e.g. the context menu needs a
2345 // cursor in front of the inset.
2346 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2347 || inset->lyxCode() == SEPARATOR_CODE) &&
2348 cur.nextInset() != inset && cur.prevInset() == inset)
2350 } else if (cur.inTexted() && cur.pos()
2351 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2352 // Always place cursor in front of a separator inset.
2356 // Put anchor at the same position.
2359 cur.beginUndoGroup();
2361 // Try to dispatch to an non-editable inset near this position
2362 // via the temp cursor. If the inset wishes to change the real
2363 // cursor it has to do so explicitly by using
2364 // cur.bv().cursor() = cur; (or similar)
2366 inset->dispatch(cur, cmd);
2368 // Now dispatch to the temporary cursor. If the real cursor should
2369 // be modified, the inset's dispatch has to do so explicitly.
2370 if (!inset || !cur.result().dispatched())
2373 // Notify left insets
2375 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2376 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2378 cursor().fixIfBroken();
2383 // Do we have a selection?
2384 theSelection().haveSelection(cursor().selection());
2386 if (cur.needBufferUpdate()) {
2387 cur.clearBufferUpdate();
2388 buffer().updateBuffer();
2391 // If the command has been dispatched,
2392 if (cur.result().dispatched() || cur.result().screenUpdate())
2393 processUpdateFlags(cur.result().screenUpdate());
2397 int BufferView::minVisiblePart()
2399 return 2 * defaultRowHeight();
2403 int BufferView::scroll(int y)
2406 return scrollDown(y);
2408 return scrollUp(-y);
2413 int BufferView::scrollDown(int offset)
2415 Text * text = &buffer_.text();
2416 TextMetrics & tm = d->text_metrics_[text];
2417 int const ymax = height_ + offset;
2419 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2420 int bottom_pos = last.second->position() + last.second->descent();
2421 if (lyxrc.scroll_below_document)
2422 bottom_pos += height_ - minVisiblePart();
2423 if (last.first + 1 == int(text->paragraphs().size())) {
2424 if (bottom_pos <= height_)
2426 offset = min(offset, bottom_pos - height_);
2429 if (bottom_pos > ymax)
2431 tm.newParMetricsDown();
2433 d->anchor_ypos_ -= offset;
2438 int BufferView::scrollUp(int offset)
2440 Text * text = &buffer_.text();
2441 TextMetrics & tm = d->text_metrics_[text];
2442 int ymin = - offset;
2444 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2445 int top_pos = first.second->position() - first.second->ascent();
2446 if (first.first == 0) {
2449 offset = min(offset, - top_pos);
2454 tm.newParMetricsUp();
2456 d->anchor_ypos_ += offset;
2461 bool BufferView::setCursorFromRow(int row)
2463 TexRow::TextEntry start, end;
2464 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2465 LYXERR(Debug::LATEX,
2466 "setCursorFromRow: for row " << row << ", TexRow has found "
2467 "start (id=" << start.id << ",pos=" << start.pos << "), "
2468 "end (id=" << end.id << ",pos=" << end.pos << ")");
2469 return setCursorFromEntries(start, end);
2473 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2474 TexRow::TextEntry end)
2476 DocIterator dit_start, dit_end;
2477 tie(dit_start,dit_end) =
2478 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2481 // Setting selection start
2482 d->cursor_.clearSelection();
2483 setCursor(dit_start);
2484 // Setting selection end
2486 d->cursor_.resetAnchor();
2487 setCursorSelectionTo(dit_end);
2493 bool BufferView::setCursorFromInset(Inset const * inset)
2495 // are we already there?
2496 if (cursor().nextInset() == inset)
2499 // Inset is not at cursor position. Find it in the document.
2502 while (cur && cur.nextInset() != inset)
2513 void BufferView::gotoLabel(docstring const & label)
2515 for (Buffer const * buf : buffer().allRelatives()) {
2517 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2518 if (label == item.str()) {
2519 lyx::dispatch(item.action());
2527 TextMetrics const & BufferView::textMetrics(Text const * t) const
2529 return const_cast<BufferView *>(this)->textMetrics(t);
2533 TextMetrics & BufferView::textMetrics(Text const * t)
2536 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2537 if (tmc_it == d->text_metrics_.end()) {
2538 tmc_it = d->text_metrics_.insert(
2539 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2541 return tmc_it->second;
2545 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2548 return textMetrics(t).parMetrics(pit);
2552 int BufferView::workHeight() const
2558 void BufferView::setCursor(DocIterator const & dit)
2561 size_t const n = dit.depth();
2562 for (size_t i = 0; i < n; ++i)
2563 dit[i].inset().edit(d->cursor_, true);
2565 d->cursor_.setCursor(dit);
2566 d->cursor_.selection(false);
2567 d->cursor_.setCurrentFont();
2569 // It seems on general grounds as if this is probably needed, but
2570 // it is not yet clear.
2571 // See bug #7394 and r38388.
2572 // d->cursor.resetAnchor();
2576 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2578 size_t const n = dit.depth();
2579 for (size_t i = 0; i < n; ++i)
2580 dit[i].inset().edit(d->cursor_, true);
2582 d->cursor_.selection(true);
2583 d->cursor_.setCursorSelectionTo(dit);
2584 d->cursor_.setCurrentFont();
2588 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2590 // Would be wrong to delete anything if we have a selection.
2591 if (cur.selection())
2594 bool need_anchor_change = false;
2595 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
2596 need_anchor_change);
2598 if (need_anchor_change)
2606 // we would rather not do this here, but it needs to be done before
2607 // the changed() signal is sent.
2608 buffer_.updateBuffer();
2610 buffer_.changed(true);
2615 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2617 LASSERT(&cur.bv() == this, return false);
2620 // this event will clear selection so we save selection for
2621 // persistent selection
2622 cap::saveSelection(cursor());
2624 d->cursor_.macroModeClose();
2625 // If a macro has been finalized, the cursor might have been broken
2628 // Has the cursor just left the inset?
2629 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2631 d->cursor_.fixIfBroken();
2633 // do the dEPM magic if needed
2634 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2635 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2636 // the leftinset bool would not be necessary (badcursor instead).
2637 bool update = leftinset;
2640 d->cursor_.setSelection();
2641 d->cursor_.setCursorSelectionTo(cur);
2643 if (d->cursor_.inTexted())
2644 update |= checkDepm(cur, d->cursor_);
2645 d->cursor_.resetAnchor();
2646 d->cursor_.setCursor(cur);
2647 d->cursor_.clearSelection();
2649 d->cursor_.boundary(cur.boundary());
2650 d->cursor_.finishUndo();
2651 d->cursor_.setCurrentFont();
2653 cur.forceBufferUpdate();
2658 void BufferView::putSelectionAt(DocIterator const & cur,
2659 int length, bool backwards)
2661 d->cursor_.clearSelection();
2667 d->cursor_.pos() += length;
2668 d->cursor_.setSelection(d->cursor_, -length);
2670 d->cursor_.setSelection(d->cursor_, length);
2675 bool BufferView::selectIfEmpty(DocIterator & cur)
2677 if ((cur.inTexted() && !cur.paragraph().empty())
2678 || (cur.inMathed() && !cur.cell().empty()))
2681 pit_type const beg_pit = cur.pit();
2683 // The paragraph associated to this item isn't
2684 // the first one, so it can be selected
2687 // We have to resort to select the space between the
2688 // end of this item and the begin of the next one
2692 // If it is the only item in the document,
2693 // nothing can be selected
2696 pit_type const end_pit = cur.pit();
2697 pos_type const end_pos = cur.pos();
2698 d->cursor_.clearSelection();
2700 d->cursor_.setCursor(cur);
2701 d->cursor_.pit() = beg_pit;
2702 d->cursor_.pos() = 0;
2703 d->cursor_.selection(false);
2704 d->cursor_.resetAnchor();
2705 d->cursor_.pit() = end_pit;
2706 d->cursor_.pos() = end_pos;
2707 d->cursor_.setSelection();
2712 Cursor & BufferView::cursor()
2718 Cursor const & BufferView::cursor() const
2724 bool BufferView::singleParUpdate()
2726 Text & buftext = buffer_.text();
2727 pit_type const bottom_pit = d->cursor_.bottom().pit();
2728 TextMetrics & tm = textMetrics(&buftext);
2729 int old_height = tm.parMetrics(bottom_pit).height();
2731 // make sure inline completion pointer is ok
2732 if (d->inlineCompletionPos_.fixIfBroken())
2733 d->inlineCompletionPos_ = DocIterator();
2735 // In Single Paragraph mode, rebreak only
2736 // the (main text, not inset!) paragraph containing the cursor.
2737 // (if this paragraph contains insets etc., rebreaking will
2738 // recursively descend)
2739 tm.redoParagraph(bottom_pit);
2740 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2741 if (pm.height() != old_height)
2742 // Paragraph height has changed so we cannot proceed to
2743 // the singlePar optimisation.
2746 tm.updatePosCache(bottom_pit);
2748 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2749 << " y2: " << pm.position() + pm.descent()
2750 << " pit: " << bottom_pit
2751 << " singlepar: 1");
2756 void BufferView::updateMetrics()
2758 updateMetrics(d->update_flags_);
2759 d->update_strategy_ = FullScreenUpdate;
2763 void BufferView::updateMetrics(Update::flags & update_flags)
2765 if (height_ == 0 || width_ == 0)
2768 Text & buftext = buffer_.text();
2769 pit_type const npit = int(buftext.paragraphs().size());
2771 // Clear out the position cache in case of full screen redraw,
2772 d->coord_cache_.clear();
2774 // Clear out paragraph metrics to avoid having invalid metrics
2775 // in the cache from paragraphs not relayouted below
2776 // The complete text metrics will be redone.
2777 d->text_metrics_.clear();
2779 TextMetrics & tm = textMetrics(&buftext);
2781 // make sure inline completion pointer is ok
2782 if (d->inlineCompletionPos_.fixIfBroken())
2783 d->inlineCompletionPos_ = DocIterator();
2785 if (d->anchor_pit_ >= npit)
2786 // The anchor pit must have been deleted...
2787 d->anchor_pit_ = npit - 1;
2789 // Rebreak anchor paragraph.
2790 tm.redoParagraph(d->anchor_pit_);
2791 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2794 if (d->anchor_pit_ == 0) {
2795 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2797 // Complete buffer visible? Then it's easy.
2798 if (scrollRange == 0)
2799 d->anchor_ypos_ = anchor_pm.ascent();
2801 // avoid empty space above the first row
2802 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2805 anchor_pm.setPosition(d->anchor_ypos_);
2806 tm.updatePosCache(d->anchor_pit_);
2808 LYXERR(Debug::PAINTING, "metrics: "
2809 << " anchor pit = " << d->anchor_pit_
2810 << " anchor ypos = " << d->anchor_ypos_);
2812 // Redo paragraphs above anchor if necessary.
2813 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2814 // We are now just above the anchor paragraph.
2815 pit_type pit1 = d->anchor_pit_ - 1;
2816 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2817 tm.redoParagraph(pit1);
2818 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2820 // Save the paragraph position in the cache.
2822 tm.updatePosCache(pit1);
2826 // Redo paragraphs below the anchor if necessary.
2827 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2828 // We are now just below the anchor paragraph.
2829 pit_type pit2 = d->anchor_pit_ + 1;
2830 for (; pit2 < npit && y2 <= height_; ++pit2) {
2831 tm.redoParagraph(pit2);
2832 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2834 // Save the paragraph position in the cache.
2836 tm.updatePosCache(pit2);
2840 LYXERR(Debug::PAINTING, "Metrics: "
2841 << " anchor pit = " << d->anchor_pit_
2842 << " anchor ypos = " << d->anchor_ypos_
2845 << " pit1 = " << pit1
2846 << " pit2 = " << pit2);
2848 // metrics is done, full drawing is necessary now
2849 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2851 // Now update the positions of insets in the cache.
2854 if (lyxerr.debugging(Debug::WORKAREA)) {
2855 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2856 d->coord_cache_.dump();
2861 void BufferView::updatePosCache()
2863 // this is the "nodraw" drawing stage: only set the positions of the
2864 // insets in metrics cache.
2865 frontend::NullPainter np;
2870 void BufferView::insertLyXFile(FileName const & fname)
2872 LASSERT(d->cursor_.inTexted(), return);
2874 // Get absolute path of file and add ".lyx"
2875 // to the filename if necessary
2876 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2878 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2879 // emit message signal.
2880 message(bformat(_("Inserting document %1$s..."), disp_fn));
2883 Buffer buf(filename.absFileName(), false);
2884 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2885 ErrorList & el = buffer_.errorList("Parse");
2886 // Copy the inserted document error list into the current buffer one.
2887 el = buf.errorList("Parse");
2888 buffer_.undo().recordUndo(d->cursor_);
2889 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2890 buf.params().documentClassPtr(), el);
2891 res = _("Document %1$s inserted.");
2893 res = _("Could not insert document %1$s");
2896 buffer_.changed(true);
2897 // emit message signal.
2898 message(bformat(res, disp_fn));
2902 Point BufferView::coordOffset(DocIterator const & dit) const
2908 // Addup contribution of nested insets, from inside to outside,
2909 // keeping the outer paragraph for a special handling below
2910 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2911 CursorSlice const & sl = dit[i];
2915 // get relative position inside sl.inset()
2916 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2918 // Make relative position inside of the edited inset relative to sl.inset()
2922 // In case of an RTL inset, the edited inset will be positioned to the left
2925 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2926 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2931 // remember width for the case that sl.inset() is positioned in an RTL inset
2932 lastw = sl.inset().dimension(*this).wid;
2934 //lyxerr << "Cursor::getPos, i: "
2935 // << i << " x: " << xx << " y: " << y << endl;
2938 // Add contribution of initial rows of outermost paragraph
2939 CursorSlice const & sl = dit[0];
2940 TextMetrics const & tm = textMetrics(sl.text());
2941 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2943 LBUFERR(!pm.rows().empty());
2944 y -= pm.rows()[0].ascent();
2946 // FIXME: document this mess
2948 if (sl.pos() > 0 && dit.depth() == 1) {
2950 if (pos && dit.boundary())
2952 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2953 rend = pm.pos2row(pos);
2955 rend = pm.pos2row(sl.pos());
2957 size_t rend = pm.pos2row(sl.pos());
2959 for (size_t rit = 0; rit != rend; ++rit)
2960 y += pm.rows()[rit].height();
2961 y += pm.rows()[rend].ascent();
2963 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2965 // Make relative position from the nested inset now bufferview absolute.
2966 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2969 // In the RTL case place the nested inset at the left of the cursor in
2970 // the outer paragraph
2971 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2972 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2980 Point BufferView::getPos(DocIterator const & dit) const
2982 if (!paragraphVisible(dit))
2983 return Point(-1, -1);
2985 CursorSlice const & bot = dit.bottom();
2986 TextMetrics const & tm = textMetrics(bot.text());
2988 // offset from outer paragraph
2989 Point p = coordOffset(dit);
2990 p.y_ += tm.parMetrics(bot.pit()).position();
2995 bool BufferView::paragraphVisible(DocIterator const & dit) const
2997 CursorSlice const & bot = dit.bottom();
2998 TextMetrics const & tm = textMetrics(bot.text());
3000 return tm.contains(bot.pit());
3004 void BufferView::setCaretAscentDescent(int asc, int des)
3006 d->caret_ascent_ = asc;
3007 d->caret_descent_ = des;
3011 void BufferView::caretPosAndHeight(Point & p, int & h) const
3014 Cursor const & cur = cursor();
3015 if (cur.inMathed()) {
3016 asc = d->caret_ascent_;
3017 des = d->caret_descent_;
3019 Font const font = cur.real_current_font;
3020 frontend::FontMetrics const & fm = theFontMetrics(font);
3021 asc = fm.maxAscent();
3022 des = fm.maxDescent();
3030 bool BufferView::cursorInView(Point const & p, int h) const
3032 Cursor const & cur = cursor();
3033 // does the cursor touch the screen ?
3034 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3040 int BufferView::horizScrollOffset() const
3042 return d->horiz_scroll_offset_;
3046 int BufferView::horizScrollOffset(Text const * text,
3047 pit_type pit, pos_type pos) const
3049 // Is this a row that is currently scrolled?
3050 if (!d->current_row_slice_.empty()
3051 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3052 && pit == d->current_row_slice_.pit()
3053 && pos == d->current_row_slice_.pos())
3054 return d->horiz_scroll_offset_;
3059 bool BufferView::hadHorizScrollOffset(Text const * text,
3060 pit_type pit, pos_type pos) const
3062 return !d->last_row_slice_.empty()
3063 && &text->inset() == d->last_row_slice_.inset().asInsetText()
3064 && pit == d->last_row_slice_.pit()
3065 && pos == d->last_row_slice_.pos();
3069 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3071 // nothing to do if the cursor was already on this row
3072 if (d->current_row_slice_ == rowSlice) {
3073 d->last_row_slice_ = CursorSlice();
3077 // if the (previous) current row was scrolled, we have to
3078 // remember it in order to repaint it next time.
3079 if (d->horiz_scroll_offset_ != 0)
3080 d->last_row_slice_ = d->current_row_slice_;
3082 d->last_row_slice_ = CursorSlice();
3084 // Since we changed row, the scroll offset is not valid anymore
3085 d->horiz_scroll_offset_ = 0;
3086 d->current_row_slice_ = rowSlice;
3090 void BufferView::checkCursorScrollOffset()
3092 CursorSlice rowSlice = d->cursor_.bottom();
3093 TextMetrics const & tm = textMetrics(rowSlice.text());
3095 // Stop if metrics have not been computed yet, since it means
3096 // that there is nothing to do.
3097 if (!tm.contains(rowSlice.pit()))
3099 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3100 Row const & row = pm.getRow(rowSlice.pos(),
3101 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3102 rowSlice.pos() = row.pos();
3104 // Set the row on which the cursor lives.
3105 setCurrentRowSlice(rowSlice);
3107 // Current x position of the cursor in pixels
3108 int cur_x = getPos(d->cursor_).x_;
3110 // Horizontal scroll offset of the cursor row in pixels
3111 int offset = d->horiz_scroll_offset_;
3112 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3114 if (row.right_x() <= workWidth() - row.right_margin) {
3115 // Row is narrower than the work area, no offset needed.
3118 if (cur_x - offset < MARGIN) {
3119 // cursor would be too far right
3120 offset = cur_x - MARGIN;
3121 } else if (cur_x - offset > workWidth() - MARGIN) {
3122 // cursor would be too far left
3123 offset = cur_x - workWidth() + MARGIN;
3125 // Correct the offset to make sure that we do not scroll too much
3128 if (row.right_x() - offset < workWidth() - row.right_margin)
3129 offset = row.right_x() - workWidth() + row.right_margin;
3132 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3134 if (offset != d->horiz_scroll_offset_)
3135 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3136 << d->horiz_scroll_offset_ << " to " << offset);
3138 if (d->update_strategy_ == NoScreenUpdate
3139 && (offset != d->horiz_scroll_offset_
3140 || !d->last_row_slice_.empty())) {
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_;