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)
1268 d->edited_insets_[name] = inset;
1270 d->edited_insets_.erase(name);
1274 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1276 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1278 string const argument = to_utf8(cmd.argument());
1279 Cursor & cur = d->cursor_;
1282 // Don't dispatch function that does not apply to internal buffers.
1283 if (buffer_.isInternal()
1284 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1287 // We'll set this back to false if need be.
1288 bool dispatched = true;
1289 buffer_.undo().beginUndoGroup();
1291 FuncCode const act = cmd.action();
1294 case LFUN_BUFFER_PARAMS_APPLY: {
1295 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1296 cur.recordUndoBufferParams();
1297 istringstream ss(to_utf8(cmd.argument()));
1300 int const unknown_tokens = buffer_.readHeader(lex);
1301 if (unknown_tokens != 0) {
1302 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1303 << unknown_tokens << " unknown token"
1304 << (unknown_tokens == 1 ? "" : "s"));
1306 updateDocumentClass(olddc);
1308 // We are most certainly here because of a change in the document
1309 // It is then better to make sure that all dialogs are in sync with
1310 // current document settings.
1311 dr.screenUpdate(Update::Force | Update::FitCursor);
1312 dr.forceBufferUpdate();
1316 case LFUN_LAYOUT_MODULES_CLEAR: {
1317 // FIXME: this modifies the document in cap::switchBetweenClasses
1318 // without calling recordUndo. Fix this before using
1319 // recordUndoBufferParams().
1320 cur.recordUndoFullBuffer();
1321 buffer_.params().clearLayoutModules();
1322 makeDocumentClass();
1323 dr.screenUpdate(Update::Force);
1324 dr.forceBufferUpdate();
1328 case LFUN_LAYOUT_MODULE_ADD: {
1329 BufferParams const & params = buffer_.params();
1330 if (!params.layoutModuleCanBeAdded(argument)) {
1331 LYXERR0("Module `" << argument <<
1332 "' cannot be added due to failed requirements or "
1333 "conflicts with installed modules.");
1336 // FIXME: this modifies the document in cap::switchBetweenClasses
1337 // without calling recordUndo. Fix this before using
1338 // recordUndoBufferParams().
1339 cur.recordUndoFullBuffer();
1340 buffer_.params().addLayoutModule(argument);
1341 makeDocumentClass();
1342 dr.screenUpdate(Update::Force);
1343 dr.forceBufferUpdate();
1347 case LFUN_TEXTCLASS_APPLY: {
1348 // since this shortcircuits, the second call is made only if
1350 bool const success =
1351 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1352 LayoutFileList::get().load(argument, buffer_.filePath());
1354 docstring s = bformat(_("The document class `%1$s' "
1355 "could not be loaded."), from_utf8(argument));
1356 frontend::Alert::error(_("Could not load class"), s);
1360 LayoutFile const * old_layout = buffer_.params().baseClass();
1361 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1363 if (old_layout == new_layout)
1367 // Save the old, possibly modular, layout for use in conversion.
1368 // FIXME: this modifies the document in cap::switchBetweenClasses
1369 // without calling recordUndo. Fix this before using
1370 // recordUndoBufferParams().
1371 cur.recordUndoFullBuffer();
1372 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1373 makeDocumentClass();
1374 dr.screenUpdate(Update::Force);
1375 dr.forceBufferUpdate();
1379 case LFUN_TEXTCLASS_LOAD: {
1380 // since this shortcircuits, the second call is made only if
1382 bool const success =
1383 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1384 LayoutFileList::get().load(argument, buffer_.filePath());
1386 docstring s = bformat(_("The document class `%1$s' "
1387 "could not be loaded."), from_utf8(argument));
1388 frontend::Alert::error(_("Could not load class"), s);
1393 case LFUN_LAYOUT_RELOAD: {
1394 LayoutFileIndex bc = buffer_.params().baseClassID();
1395 LayoutFileList::get().reset(bc);
1396 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1397 makeDocumentClass();
1398 dr.screenUpdate(Update::Force);
1399 dr.forceBufferUpdate();
1404 dr.setMessage(_("Undo"));
1405 cur.clearSelection();
1406 // We need to find out if the bibliography information
1407 // has changed. See bug #11055.
1408 // So these should not be references...
1409 string const engine = buffer().params().citeEngine();
1410 CiteEngineType const enginetype = buffer().params().citeEngineType();
1411 if (!cur.undoAction())
1412 dr.setMessage(_("No further undo information"));
1414 dr.screenUpdate(Update::Force | Update::FitCursor);
1415 dr.forceBufferUpdate();
1416 if (buffer().params().citeEngine() != engine ||
1417 buffer().params().citeEngineType() != enginetype)
1418 buffer().invalidateCiteLabels();
1424 dr.setMessage(_("Redo"));
1425 cur.clearSelection();
1426 // We need to find out if the bibliography information
1427 // has changed. See bug #11055.
1428 // So these should not be references...
1429 string const engine = buffer().params().citeEngine();
1430 CiteEngineType const enginetype = buffer().params().citeEngineType();
1431 if (!cur.redoAction())
1432 dr.setMessage(_("No further redo information"));
1434 dr.screenUpdate(Update::Force | Update::FitCursor);
1435 dr.forceBufferUpdate();
1436 if (buffer().params().citeEngine() != engine ||
1437 buffer().params().citeEngineType() != enginetype)
1438 buffer().invalidateCiteLabels();
1443 case LFUN_FONT_STATE:
1444 dr.setMessage(cur.currentState(false));
1447 case LFUN_BOOKMARK_SAVE:
1448 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1451 case LFUN_LABEL_GOTO: {
1452 docstring label = cmd.argument();
1453 if (label.empty()) {
1455 getInsetByCode<InsetRef>(cur, REF_CODE);
1457 label = inset->getParam("reference");
1458 // persistent=false: use temp_bookmark
1462 if (!label.empty()) {
1464 // at the moment, this is redundant, since gotoLabel will
1465 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1467 dr.screenUpdate(Update::Force | Update::FitCursor);
1472 case LFUN_PARAGRAPH_GOTO: {
1473 int const id = convert<int>(cmd.getArg(0));
1474 pos_type const pos = convert<int>(cmd.getArg(1));
1477 string const str_id_end = cmd.getArg(2);
1478 string const str_pos_end = cmd.getArg(3);
1480 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1481 b = theBufferList().next(b)) {
1484 curs.setCursor(b->getParFromID(id));
1486 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1490 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1491 << " found in buffer `"
1492 << b->absFileName() << "'.");
1494 if (b == &buffer_) {
1496 if (str_id_end.empty() || str_pos_end.empty()) {
1499 mouseSetCursor(curs);
1502 int const id_end = convert<int>(str_id_end);
1503 pos_type const pos_end = convert<int>(str_pos_end);
1504 success = setCursorFromEntries({id, pos},
1508 dr.screenUpdate(Update::Force | Update::FitCursor);
1510 // Switch to other buffer view and resend cmd
1511 lyx::dispatch(FuncRequest(
1512 LFUN_BUFFER_SWITCH, b->absFileName()));
1520 case LFUN_NOTE_NEXT:
1521 gotoInset(this, NOTE_CODE, false);
1524 case LFUN_REFERENCE_NEXT: {
1525 vector<InsetCode> tmp;
1526 tmp.push_back(LABEL_CODE);
1527 tmp.push_back(REF_CODE);
1528 gotoInset(this, tmp, true);
1532 case LFUN_CHANGE_NEXT:
1533 findNextChange(this);
1534 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1535 dr.screenUpdate(Update::Force | Update::FitCursor);
1538 case LFUN_CHANGE_PREVIOUS:
1539 findPreviousChange(this);
1540 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1541 dr.screenUpdate(Update::Force | Update::FitCursor);
1544 case LFUN_CHANGES_MERGE:
1545 if (findNextChange(this) || findPreviousChange(this)) {
1546 dr.screenUpdate(Update::Force | Update::FitCursor);
1547 dr.forceBufferUpdate();
1548 showDialog("changes");
1552 case LFUN_ALL_CHANGES_ACCEPT:
1553 // select complete document
1555 cur.selHandle(true);
1556 buffer_.text().cursorBottom(cur);
1557 // accept everything in a single step to support atomic undo
1558 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1560 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1561 dr.screenUpdate(Update::Force | Update::FitCursor);
1562 dr.forceBufferUpdate();
1565 case LFUN_ALL_CHANGES_REJECT:
1566 // select complete document
1568 cur.selHandle(true);
1569 buffer_.text().cursorBottom(cur);
1570 // reject everything in a single step to support atomic undo
1571 // Note: reject does not work recursively; the user may have to repeat the operation
1572 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1574 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1575 dr.screenUpdate(Update::Force | Update::FitCursor);
1576 dr.forceBufferUpdate();
1579 case LFUN_WORD_FIND_FORWARD:
1580 case LFUN_WORD_FIND_BACKWARD: {
1582 // Would it maybe be better if this variable were view specific anyway?
1583 static docstring last_search;
1584 docstring searched_string;
1586 if (!cmd.argument().empty()) {
1587 last_search = cmd.argument();
1588 searched_string = cmd.argument();
1590 searched_string = last_search;
1593 if (searched_string.empty())
1596 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1597 docstring const data =
1598 find2string(searched_string, true, false, fw);
1599 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1601 dr.screenUpdate(Update::Force | Update::FitCursor);
1605 case LFUN_WORD_FIND: {
1606 FuncRequest req = cmd;
1607 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1608 req = d->search_request_cache_;
1609 if (req.argument().empty()) {
1610 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1613 if (lyxfind(this, req))
1614 dr.screenUpdate(Update::Force | Update::FitCursor);
1616 d->search_request_cache_ = req;
1620 case LFUN_WORD_REPLACE: {
1621 bool has_deleted = false;
1622 if (cur.selection()) {
1623 DocIterator beg = cur.selectionBegin();
1624 DocIterator end = cur.selectionEnd();
1625 if (beg.pit() == end.pit()) {
1626 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1627 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1634 if (lyxreplace(this, cmd, has_deleted)) {
1635 dr.forceBufferUpdate();
1636 dr.screenUpdate(Update::Force | Update::FitCursor);
1641 case LFUN_WORD_FINDADV: {
1642 FindAndReplaceOptions opt;
1643 istringstream iss(to_utf8(cmd.argument()));
1645 if (findAdv(this, opt)) {
1646 dr.screenUpdate(Update::Force | Update::FitCursor);
1657 cur.clearSelection();
1658 dr.setMessage(from_utf8(N_("Mark off")));
1662 cur.clearSelection();
1664 dr.setMessage(from_utf8(N_("Mark on")));
1667 case LFUN_MARK_TOGGLE:
1668 cur.selection(false);
1671 dr.setMessage(from_utf8(N_("Mark removed")));
1674 dr.setMessage(from_utf8(N_("Mark set")));
1679 case LFUN_SCREEN_SHOW_CURSOR:
1683 case LFUN_SCREEN_RECENTER:
1687 case LFUN_BIBTEX_DATABASE_ADD: {
1688 Cursor tmpcur = cur;
1689 findInset(tmpcur, BIBTEX_CODE, false);
1690 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1693 if (inset->addDatabase(cmd.argument()))
1694 dr.forceBufferUpdate();
1699 case LFUN_BIBTEX_DATABASE_DEL: {
1700 Cursor tmpcur = cur;
1701 findInset(tmpcur, BIBTEX_CODE, false);
1702 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1705 if (inset->delDatabase(cmd.argument()))
1706 dr.forceBufferUpdate();
1711 case LFUN_GRAPHICS_UNIFY: {
1713 cur.recordUndoFullBuffer();
1715 DocIterator from, to;
1716 from = cur.selectionBegin();
1717 to = cur.selectionEnd();
1719 string const newId = cmd.getArg(0);
1720 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1722 InsetGraphicsParams grp_par;
1724 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1726 if (!from.nextInset()) //move to closest inset
1727 from.forwardInset();
1729 while (!from.empty() && from < to) {
1730 Inset * inset = from.nextInset();
1733 InsetGraphics * ig = inset->asInsetGraphics();
1735 InsetGraphicsParams inspar = ig->getParams();
1740 grp_par.filename = inspar.filename;
1741 ig->setParams(grp_par);
1744 from.forwardInset();
1746 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1750 case LFUN_STATISTICS: {
1751 DocIterator from, to;
1752 if (cur.selection()) {
1753 from = cur.selectionBegin();
1754 to = cur.selectionEnd();
1756 from = doc_iterator_begin(&buffer_);
1757 to = doc_iterator_end(&buffer_);
1759 buffer_.updateStatistics(from, to);
1760 int const words = buffer_.wordCount();
1761 int const chars = buffer_.charCount(false);
1762 int const chars_blanks = buffer_.charCount(true);
1764 if (cur.selection())
1765 message = _("Statistics for the selection:");
1767 message = _("Statistics for the document:");
1770 message += bformat(_("%1$d words"), words);
1772 message += _("One word");
1774 if (chars_blanks != 1)
1775 message += bformat(_("%1$d characters (including blanks)"),
1778 message += _("One character (including blanks)");
1781 message += bformat(_("%1$d characters (excluding blanks)"),
1784 message += _("One character (excluding blanks)");
1786 Alert::information(_("Statistics"), message);
1790 case LFUN_SCREEN_UP:
1791 case LFUN_SCREEN_DOWN: {
1792 Point p = getPos(cur);
1793 // This code has been commented out to enable to scroll down a
1794 // document, even if there are large insets in it (see bug #5465).
1795 /*if (p.y_ < 0 || p.y_ > height_) {
1796 // The cursor is off-screen so recenter before proceeding.
1800 int const scrolled = scroll(act == LFUN_SCREEN_UP
1801 ? -height_ : height_);
1802 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1804 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1805 p = Point(width_, height_);
1806 bool const in_texted = cur.inTexted();
1807 cur.setCursor(doc_iterator_begin(cur.buffer()));
1808 cur.selHandle(false);
1809 // Force an immediate computation of metrics because we need it below
1810 processUpdateFlags(Update::Force);
1812 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1813 true, act == LFUN_SCREEN_UP);
1814 //FIXME: what to do with cur.x_target()?
1815 bool update = in_texted && cur.bv().checkDepm(cur, old);
1818 if (update || cur.mark())
1819 dr.screenUpdate(Update::Force | Update::FitCursor);
1821 dr.forceBufferUpdate();
1826 string const scroll_type = cmd.getArg(0);
1827 int scroll_step = 0;
1828 if (scroll_type == "line")
1829 scroll_step = d->scrollbarParameters_.single_step;
1830 else if (scroll_type == "page")
1831 scroll_step = d->scrollbarParameters_.page_step;
1834 string const scroll_quantity = cmd.getArg(1);
1835 if (scroll_quantity == "up")
1836 scrollUp(scroll_step);
1837 else if (scroll_quantity == "down")
1838 scrollDown(scroll_step);
1840 int const scroll_value = convert<int>(scroll_quantity);
1842 scroll(scroll_step * scroll_value);
1844 dr.screenUpdate(Update::ForceDraw);
1845 dr.forceBufferUpdate();
1849 case LFUN_SCREEN_UP_SELECT: {
1850 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1851 cur.selHandle(true);
1852 if (isTopScreen()) {
1853 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1857 int y = getPos(cur).y_;
1858 int const ymin = y - height_ + defaultRowHeight();
1859 while (y > ymin && cur.up())
1863 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1867 case LFUN_SCREEN_DOWN_SELECT: {
1868 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1869 cur.selHandle(true);
1870 if (isBottomScreen()) {
1871 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1875 int y = getPos(cur).y_;
1876 int const ymax = y + height_ - defaultRowHeight();
1877 while (y < ymax && cur.down())
1881 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1886 case LFUN_INSET_SELECT_ALL: {
1887 // true if all cells are selected
1888 bool const all_selected = cur.depth() > 1
1889 && cur.selBegin().at_begin()
1890 && cur.selEnd().at_end();
1891 // true if some cells are selected
1892 bool const cells_selected = cur.depth() > 1
1893 && cur.selBegin().at_cell_begin()
1894 && cur.selEnd().at_cell_end();
1895 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1896 // All the contents of the inset if selected, or only at
1897 // least one cell but inset is not a table.
1898 // Select the inset from outside.
1901 cur.selection(true);
1903 } else if (cells_selected) {
1904 // At least one complete cell is selected and inset is a table.
1909 cur.selection(true);
1910 cur.idx() = cur.lastidx();
1911 cur.pos() = cur.lastpos();
1913 // select current cell
1917 cur.selection(true);
1918 cur.pit() = cur.lastpit();
1919 cur.pos() = cur.lastpos();
1921 cur.setCurrentFont();
1922 dr.screenUpdate(Update::Force);
1927 case LFUN_UNICODE_INSERT: {
1928 if (cmd.argument().empty())
1931 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1932 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1935 docstring const arg = from_utf8(cmd.getArg(i));
1939 LYXERR0("Not a hexstring: " << arg);
1943 char_type c = hexToInt(arg);
1944 if (c >= 32 && c < 0x10ffff) {
1945 LYXERR(Debug::KEY, "Inserting c: " << c);
1946 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1954 // This would be in Buffer class if only Cursor did not
1955 // require a bufferview
1956 case LFUN_INSET_FORALL: {
1957 docstring const name = from_utf8(cmd.getArg(0));
1958 string const commandstr = cmd.getLongArg(1);
1959 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1961 // an arbitrary number to limit number of iterations
1962 const int max_iter = 100000;
1964 Cursor & curs = d->cursor_;
1965 Cursor const savecur = curs;
1967 if (!curs.nextInset())
1968 curs.forwardInset();
1969 curs.beginUndoGroup();
1970 while(curs && iterations < max_iter) {
1971 Inset * const ins = curs.nextInset();
1974 docstring insname = ins->layoutName();
1975 while (!insname.empty()) {
1976 if (insname == name || name == from_utf8("*")) {
1978 lyx::dispatch(fr, dr);
1982 size_t const i = insname.rfind(':');
1983 if (i == string::npos)
1985 insname = insname.substr(0, i);
1987 // if we did not delete the inset, skip it
1988 if (!curs.nextInset() || curs.nextInset() == ins)
1989 curs.forwardInset();
1993 /** This is a dummy undo record only to remember the cursor
1994 * that has just been set; this will be used on a redo action
1995 * (see ticket #10097)
1997 * FIXME: a better fix would be to have a way to set the
1998 * cursor value directly, but I am not sure it is worth it.
2001 curs.endUndoGroup();
2002 dr.screenUpdate(Update::Force);
2003 dr.forceBufferUpdate();
2005 if (iterations >= max_iter) {
2007 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2009 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2014 case LFUN_BRANCH_ADD_INSERT: {
2015 docstring branch_name = from_utf8(cmd.getArg(0));
2016 if (branch_name.empty())
2017 if (!Alert::askForText(branch_name, _("Branch name")) ||
2018 branch_name.empty())
2021 DispatchResult drtmp;
2022 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2023 if (drtmp.error()) {
2024 Alert::warning(_("Branch already exists"), drtmp.message());
2027 docstring const sep = buffer_.params().branchlist().separator();
2028 for (docstring const & branch : getVectorFromString(branch_name, sep))
2029 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2033 case LFUN_KEYMAP_OFF:
2034 getIntl().keyMapOn(false);
2037 case LFUN_KEYMAP_PRIMARY:
2038 getIntl().keyMapPrim();
2041 case LFUN_KEYMAP_SECONDARY:
2042 getIntl().keyMapSec();
2045 case LFUN_KEYMAP_TOGGLE:
2046 getIntl().toggleKeyMap();
2049 case LFUN_DIALOG_SHOW_NEW_INSET: {
2050 string const name = cmd.getArg(0);
2051 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2052 if (decodeInsetParam(name, data, buffer_))
2053 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2055 lyxerr << "Inset type '" << name <<
2056 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2060 case LFUN_CITATION_INSERT: {
2061 if (argument.empty()) {
2062 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2065 // we can have one optional argument, delimited by '|'
2066 // citation-insert <key>|<text_before>
2067 // this should be enhanced to also support text_after
2068 // and citation style
2069 string arg = argument;
2071 if (contains(argument, "|")) {
2072 arg = token(argument, '|', 0);
2073 opt1 = token(argument, '|', 1);
2076 // if our cursor is directly in front of or behind a citation inset,
2077 // we will instead add the new key to it.
2078 Inset * inset = cur.nextInset();
2079 if (!inset || inset->lyxCode() != CITE_CODE)
2080 inset = cur.prevInset();
2081 if (inset && inset->lyxCode() == CITE_CODE) {
2082 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2083 if (icite->addKey(arg)) {
2084 dr.forceBufferUpdate();
2085 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2087 LYXERR0("Discarding optional argument to citation-insert.");
2092 InsetCommandParams icp(CITE_CODE);
2093 icp["key"] = from_utf8(arg);
2095 icp["before"] = from_utf8(opt1);
2097 from_ascii(InsetCitation::last_literal ? "true" : "false");
2098 string icstr = InsetCommand::params2string(icp);
2099 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2104 case LFUN_INSET_APPLY: {
2105 string const name = cmd.getArg(0);
2106 Inset * inset = editedInset(name);
2108 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2112 // put cursor in front of inset.
2113 if (!setCursorFromInset(inset)) {
2114 LASSERT(false, break);
2117 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2118 inset->dispatch(cur, fr);
2119 dr.screenUpdate(cur.result().screenUpdate());
2120 if (cur.result().needBufferUpdate())
2121 dr.forceBufferUpdate();
2126 // The change of language of buffer belongs to the Buffer class.
2127 // We have to do it here because we need a cursor for Undo.
2128 // When Undo::recordUndoBufferParams() is implemented someday
2129 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2130 case LFUN_BUFFER_LANGUAGE: {
2131 Language const * oldL = buffer_.params().language;
2132 Language const * newL = languages.getLanguage(argument);
2133 if (!newL || oldL == newL)
2135 if (oldL->rightToLeft() == newL->rightToLeft()) {
2136 cur.recordUndoFullBuffer();
2137 buffer_.changeLanguage(oldL, newL);
2138 cur.setCurrentFont();
2139 dr.forceBufferUpdate();
2144 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2145 case LFUN_FILE_INSERT_PLAINTEXT: {
2146 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2147 string const fname = to_utf8(cmd.argument());
2148 if (!FileName::isAbsolute(fname))
2149 dr.setMessage(_("Absolute filename expected."));
2151 insertPlaintextFile(FileName(fname), as_paragraph);
2156 // OK, so try the Buffer itself...
2157 buffer_.dispatch(cmd, dr);
2158 dispatched = dr.dispatched();
2162 buffer_.undo().endUndoGroup();
2163 dr.dispatched(dispatched);
2165 // NOTE: The code below is copied from Cursor::dispatch. If you
2166 // need to modify this, please update the other one too.
2168 // notify insets we just entered/left
2169 if (cursor() != old) {
2170 old.beginUndoGroup();
2172 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2174 cursor().fixIfBroken();
2175 resetInlineCompletionPos();
2182 docstring const BufferView::requestSelection()
2184 Cursor & cur = d->cursor_;
2186 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2187 if (!cur.selection()) {
2188 d->xsel_cache_.set = false;
2192 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2193 if (!d->xsel_cache_.set ||
2194 cur.top() != d->xsel_cache_.cursor ||
2195 cur.realAnchor().top() != d->xsel_cache_.anchor)
2197 d->xsel_cache_.cursor = cur.top();
2198 d->xsel_cache_.anchor = cur.realAnchor().top();
2199 d->xsel_cache_.set = cur.selection();
2200 return cur.selectionAsString(false);
2206 void BufferView::clearSelection()
2208 d->cursor_.clearSelection();
2209 // Clear the selection buffer. Otherwise a subsequent
2210 // middle-mouse-button paste would use the selection buffer,
2211 // not the more current external selection.
2212 cap::clearSelection();
2213 d->xsel_cache_.set = false;
2214 // The buffer did not really change, but this causes the
2215 // redraw we need because we cleared the selection above.
2216 buffer_.changed(false);
2220 void BufferView::resize(int width, int height)
2222 // Update from work area
2226 // Clear the paragraph height cache.
2227 d->par_height_.clear();
2228 // Redo the metrics.
2233 Inset const * BufferView::getCoveringInset(Text const & text,
2236 TextMetrics & tm = d->text_metrics_[&text];
2237 Inset * inset = tm.checkInsetHit(x, y);
2241 if (!inset->descendable(*this))
2242 // No need to go further down if the inset is not
2246 size_t cell_number = inset->nargs();
2247 // Check all the inner cell.
2248 for (size_t i = 0; i != cell_number; ++i) {
2249 Text const * inner_text = inset->getText(i);
2252 Inset const * inset_deeper =
2253 getCoveringInset(*inner_text, x, y);
2255 return inset_deeper;
2263 void BufferView::updateHoveredInset() const
2265 // Get inset under mouse, if there is one.
2266 int const x = d->mouse_position_cache_.x_;
2267 int const y = d->mouse_position_cache_.y_;
2268 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2270 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2272 if (covering_inset == d->last_inset_)
2273 // Same inset, no need to do anything...
2276 bool need_redraw = false;
2277 if (d->last_inset_) {
2278 // Remove the hint on the last hovered inset (if any).
2279 need_redraw |= d->last_inset_->setMouseHover(this, false);
2283 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2285 // Only the insets that accept the hover state, do
2286 // clear the last_inset_, so only set the last_inset_
2287 // member if the hovered setting is accepted.
2288 d->last_inset_ = covering_inset;
2292 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2293 << d->mouse_position_cache_.x_ << ", "
2294 << d->mouse_position_cache_.y_ << ")");
2296 d->update_strategy_ = DecorationUpdate;
2298 // This event (moving without mouse click) is not passed further.
2299 // This should be changed if it is further utilized.
2300 buffer_.changed(false);
2305 void BufferView::clearLastInset(Inset * inset) const
2307 if (d->last_inset_ != inset) {
2308 LYXERR0("Wrong last_inset!");
2315 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2317 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2319 // This is only called for mouse related events including
2320 // LFUN_FILE_OPEN generated by drag-and-drop.
2321 FuncRequest cmd = cmd0;
2323 Cursor old = cursor();
2325 cur.push(buffer_.inset());
2326 cur.selection(d->cursor_.selection());
2328 // Either the inset under the cursor or the
2329 // surrounding Text will handle this event.
2331 // make sure we stay within the screen...
2332 cmd.set_y(min(max(cmd.y(), -1), height_));
2334 d->mouse_position_cache_.x_ = cmd.x();
2335 d->mouse_position_cache_.y_ = cmd.y();
2337 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2338 updateHoveredInset();
2342 // Build temporary cursor.
2343 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2345 // If inset is not editable, cur.pos() might point behind the
2346 // inset (depending on cmd.x(), cmd.y()). This is needed for
2347 // editing to fix bug 9628, but e.g. the context menu needs a
2348 // cursor in front of the inset.
2349 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2350 || inset->lyxCode() == SEPARATOR_CODE) &&
2351 cur.nextInset() != inset && cur.prevInset() == inset)
2353 } else if (cur.inTexted() && cur.pos()
2354 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2355 // Always place cursor in front of a separator inset.
2359 // Put anchor at the same position.
2362 cur.beginUndoGroup();
2364 // Try to dispatch to an non-editable inset near this position
2365 // via the temp cursor. If the inset wishes to change the real
2366 // cursor it has to do so explicitly by using
2367 // cur.bv().cursor() = cur; (or similar)
2369 inset->dispatch(cur, cmd);
2371 // Now dispatch to the temporary cursor. If the real cursor should
2372 // be modified, the inset's dispatch has to do so explicitly.
2373 if (!inset || !cur.result().dispatched())
2376 // Notify left insets
2378 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2379 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2381 cursor().fixIfBroken();
2386 // Do we have a selection?
2387 theSelection().haveSelection(cursor().selection());
2389 if (cur.needBufferUpdate()) {
2390 cur.clearBufferUpdate();
2391 buffer().updateBuffer();
2394 // If the command has been dispatched,
2395 if (cur.result().dispatched() || cur.result().screenUpdate())
2396 processUpdateFlags(cur.result().screenUpdate());
2400 int BufferView::minVisiblePart()
2402 return 2 * defaultRowHeight();
2406 int BufferView::scroll(int y)
2409 return scrollDown(y);
2411 return scrollUp(-y);
2416 int BufferView::scrollDown(int offset)
2418 Text * text = &buffer_.text();
2419 TextMetrics & tm = d->text_metrics_[text];
2420 int const ymax = height_ + offset;
2422 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2423 int bottom_pos = last.second->position() + last.second->descent();
2424 if (lyxrc.scroll_below_document)
2425 bottom_pos += height_ - minVisiblePart();
2426 if (last.first + 1 == int(text->paragraphs().size())) {
2427 if (bottom_pos <= height_)
2429 offset = min(offset, bottom_pos - height_);
2432 if (bottom_pos > ymax)
2434 tm.newParMetricsDown();
2436 d->anchor_ypos_ -= offset;
2441 int BufferView::scrollUp(int offset)
2443 Text * text = &buffer_.text();
2444 TextMetrics & tm = d->text_metrics_[text];
2445 int ymin = - offset;
2447 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2448 int top_pos = first.second->position() - first.second->ascent();
2449 if (first.first == 0) {
2452 offset = min(offset, - top_pos);
2457 tm.newParMetricsUp();
2459 d->anchor_ypos_ += offset;
2464 bool BufferView::setCursorFromRow(int row)
2466 TexRow::TextEntry start, end;
2467 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2468 LYXERR(Debug::LATEX,
2469 "setCursorFromRow: for row " << row << ", TexRow has found "
2470 "start (id=" << start.id << ",pos=" << start.pos << "), "
2471 "end (id=" << end.id << ",pos=" << end.pos << ")");
2472 return setCursorFromEntries(start, end);
2476 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2477 TexRow::TextEntry end)
2479 DocIterator dit_start, dit_end;
2480 tie(dit_start,dit_end) =
2481 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2484 // Setting selection start
2485 d->cursor_.clearSelection();
2486 setCursor(dit_start);
2487 // Setting selection end
2489 d->cursor_.resetAnchor();
2490 setCursorSelectionTo(dit_end);
2496 bool BufferView::setCursorFromInset(Inset const * inset)
2498 // are we already there?
2499 if (cursor().nextInset() == inset)
2502 // Inset is not at cursor position. Find it in the document.
2505 while (cur && cur.nextInset() != inset)
2516 void BufferView::gotoLabel(docstring const & label)
2518 for (Buffer const * buf : buffer().allRelatives()) {
2520 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2521 if (label == item.str()) {
2522 lyx::dispatch(item.action());
2530 TextMetrics const & BufferView::textMetrics(Text const * t) const
2532 return const_cast<BufferView *>(this)->textMetrics(t);
2536 TextMetrics & BufferView::textMetrics(Text const * t)
2539 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2540 if (tmc_it == d->text_metrics_.end()) {
2541 tmc_it = d->text_metrics_.insert(
2542 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2544 return tmc_it->second;
2548 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2551 return textMetrics(t).parMetrics(pit);
2555 int BufferView::workHeight() const
2561 void BufferView::setCursor(DocIterator const & dit)
2564 size_t const n = dit.depth();
2565 for (size_t i = 0; i < n; ++i)
2566 dit[i].inset().edit(d->cursor_, true);
2568 d->cursor_.setCursor(dit);
2569 d->cursor_.selection(false);
2570 d->cursor_.setCurrentFont();
2572 // It seems on general grounds as if this is probably needed, but
2573 // it is not yet clear.
2574 // See bug #7394 and r38388.
2575 // d->cursor.resetAnchor();
2579 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2581 size_t const n = dit.depth();
2582 for (size_t i = 0; i < n; ++i)
2583 dit[i].inset().edit(d->cursor_, true);
2585 d->cursor_.selection(true);
2586 d->cursor_.setCursorSelectionTo(dit);
2587 d->cursor_.setCurrentFont();
2591 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2593 // Would be wrong to delete anything if we have a selection.
2594 if (cur.selection())
2597 bool need_anchor_change = false;
2598 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
2599 need_anchor_change);
2601 if (need_anchor_change)
2609 // we would rather not do this here, but it needs to be done before
2610 // the changed() signal is sent.
2611 buffer_.updateBuffer();
2613 buffer_.changed(true);
2618 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2620 LASSERT(&cur.bv() == this, return false);
2623 // this event will clear selection so we save selection for
2624 // persistent selection
2625 cap::saveSelection(cursor());
2627 d->cursor_.macroModeClose();
2628 // If a macro has been finalized, the cursor might have been broken
2631 // Has the cursor just left the inset?
2632 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2634 d->cursor_.fixIfBroken();
2636 // do the dEPM magic if needed
2637 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2638 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2639 // the leftinset bool would not be necessary (badcursor instead).
2640 bool update = leftinset;
2643 d->cursor_.setSelection();
2644 d->cursor_.setCursorSelectionTo(cur);
2646 if (d->cursor_.inTexted())
2647 update |= checkDepm(cur, d->cursor_);
2648 d->cursor_.resetAnchor();
2649 d->cursor_.setCursor(cur);
2650 d->cursor_.clearSelection();
2652 d->cursor_.boundary(cur.boundary());
2653 d->cursor_.finishUndo();
2654 d->cursor_.setCurrentFont();
2656 cur.forceBufferUpdate();
2661 void BufferView::putSelectionAt(DocIterator const & cur,
2662 int length, bool backwards)
2664 d->cursor_.clearSelection();
2670 d->cursor_.pos() += length;
2671 d->cursor_.setSelection(d->cursor_, -length);
2673 d->cursor_.setSelection(d->cursor_, length);
2678 bool BufferView::selectIfEmpty(DocIterator & cur)
2680 if ((cur.inTexted() && !cur.paragraph().empty())
2681 || (cur.inMathed() && !cur.cell().empty()))
2684 pit_type const beg_pit = cur.pit();
2686 // The paragraph associated to this item isn't
2687 // the first one, so it can be selected
2690 // We have to resort to select the space between the
2691 // end of this item and the begin of the next one
2695 // If it is the only item in the document,
2696 // nothing can be selected
2699 pit_type const end_pit = cur.pit();
2700 pos_type const end_pos = cur.pos();
2701 d->cursor_.clearSelection();
2703 d->cursor_.setCursor(cur);
2704 d->cursor_.pit() = beg_pit;
2705 d->cursor_.pos() = 0;
2706 d->cursor_.selection(false);
2707 d->cursor_.resetAnchor();
2708 d->cursor_.pit() = end_pit;
2709 d->cursor_.pos() = end_pos;
2710 d->cursor_.setSelection();
2715 Cursor & BufferView::cursor()
2721 Cursor const & BufferView::cursor() const
2727 bool BufferView::singleParUpdate()
2729 Text & buftext = buffer_.text();
2730 pit_type const bottom_pit = d->cursor_.bottom().pit();
2731 TextMetrics & tm = textMetrics(&buftext);
2732 int old_height = tm.parMetrics(bottom_pit).height();
2734 // make sure inline completion pointer is ok
2735 if (d->inlineCompletionPos_.fixIfBroken())
2736 d->inlineCompletionPos_ = DocIterator();
2738 // In Single Paragraph mode, rebreak only
2739 // the (main text, not inset!) paragraph containing the cursor.
2740 // (if this paragraph contains insets etc., rebreaking will
2741 // recursively descend)
2742 tm.redoParagraph(bottom_pit);
2743 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2744 if (pm.height() != old_height)
2745 // Paragraph height has changed so we cannot proceed to
2746 // the singlePar optimisation.
2749 tm.updatePosCache(bottom_pit);
2751 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2752 << " y2: " << pm.position() + pm.descent()
2753 << " pit: " << bottom_pit
2754 << " singlepar: 1");
2759 void BufferView::updateMetrics()
2761 updateMetrics(d->update_flags_);
2762 d->update_strategy_ = FullScreenUpdate;
2766 void BufferView::updateMetrics(Update::flags & update_flags)
2768 if (height_ == 0 || width_ == 0)
2771 Text & buftext = buffer_.text();
2772 pit_type const npit = int(buftext.paragraphs().size());
2774 // Clear out the position cache in case of full screen redraw,
2775 d->coord_cache_.clear();
2777 // Clear out paragraph metrics to avoid having invalid metrics
2778 // in the cache from paragraphs not relayouted below
2779 // The complete text metrics will be redone.
2780 d->text_metrics_.clear();
2782 TextMetrics & tm = textMetrics(&buftext);
2784 // make sure inline completion pointer is ok
2785 if (d->inlineCompletionPos_.fixIfBroken())
2786 d->inlineCompletionPos_ = DocIterator();
2788 if (d->anchor_pit_ >= npit)
2789 // The anchor pit must have been deleted...
2790 d->anchor_pit_ = npit - 1;
2792 // Rebreak anchor paragraph.
2793 tm.redoParagraph(d->anchor_pit_);
2794 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2797 if (d->anchor_pit_ == 0) {
2798 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2800 // Complete buffer visible? Then it's easy.
2801 if (scrollRange == 0)
2802 d->anchor_ypos_ = anchor_pm.ascent();
2804 // avoid empty space above the first row
2805 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2808 anchor_pm.setPosition(d->anchor_ypos_);
2809 tm.updatePosCache(d->anchor_pit_);
2811 LYXERR(Debug::PAINTING, "metrics: "
2812 << " anchor pit = " << d->anchor_pit_
2813 << " anchor ypos = " << d->anchor_ypos_);
2815 // Redo paragraphs above anchor if necessary.
2816 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2817 // We are now just above the anchor paragraph.
2818 pit_type pit1 = d->anchor_pit_ - 1;
2819 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2820 tm.redoParagraph(pit1);
2821 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2823 // Save the paragraph position in the cache.
2825 tm.updatePosCache(pit1);
2829 // Redo paragraphs below the anchor if necessary.
2830 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2831 // We are now just below the anchor paragraph.
2832 pit_type pit2 = d->anchor_pit_ + 1;
2833 for (; pit2 < npit && y2 <= height_; ++pit2) {
2834 tm.redoParagraph(pit2);
2835 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2837 // Save the paragraph position in the cache.
2839 tm.updatePosCache(pit2);
2843 LYXERR(Debug::PAINTING, "Metrics: "
2844 << " anchor pit = " << d->anchor_pit_
2845 << " anchor ypos = " << d->anchor_ypos_
2848 << " pit1 = " << pit1
2849 << " pit2 = " << pit2);
2851 // metrics is done, full drawing is necessary now
2852 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2854 // Now update the positions of insets in the cache.
2857 if (lyxerr.debugging(Debug::WORKAREA)) {
2858 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2859 d->coord_cache_.dump();
2864 void BufferView::updatePosCache()
2866 // this is the "nodraw" drawing stage: only set the positions of the
2867 // insets in metrics cache.
2868 frontend::NullPainter np;
2873 void BufferView::insertLyXFile(FileName const & fname)
2875 LASSERT(d->cursor_.inTexted(), return);
2877 // Get absolute path of file and add ".lyx"
2878 // to the filename if necessary
2879 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2881 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2882 // emit message signal.
2883 message(bformat(_("Inserting document %1$s..."), disp_fn));
2886 Buffer buf(filename.absFileName(), false);
2887 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2888 ErrorList & el = buffer_.errorList("Parse");
2889 // Copy the inserted document error list into the current buffer one.
2890 el = buf.errorList("Parse");
2891 buffer_.undo().recordUndo(d->cursor_);
2892 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2893 buf.params().documentClassPtr(), el);
2894 res = _("Document %1$s inserted.");
2896 res = _("Could not insert document %1$s");
2899 buffer_.changed(true);
2900 // emit message signal.
2901 message(bformat(res, disp_fn));
2905 Point BufferView::coordOffset(DocIterator const & dit) const
2911 // Addup contribution of nested insets, from inside to outside,
2912 // keeping the outer paragraph for a special handling below
2913 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2914 CursorSlice const & sl = dit[i];
2918 // get relative position inside sl.inset()
2919 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2921 // Make relative position inside of the edited inset relative to sl.inset()
2925 // In case of an RTL inset, the edited inset will be positioned to the left
2928 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2929 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2934 // remember width for the case that sl.inset() is positioned in an RTL inset
2935 lastw = sl.inset().dimension(*this).wid;
2937 //lyxerr << "Cursor::getPos, i: "
2938 // << i << " x: " << xx << " y: " << y << endl;
2941 // Add contribution of initial rows of outermost paragraph
2942 CursorSlice const & sl = dit[0];
2943 TextMetrics const & tm = textMetrics(sl.text());
2944 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2946 LBUFERR(!pm.rows().empty());
2947 y -= pm.rows()[0].ascent();
2949 // FIXME: document this mess
2951 if (sl.pos() > 0 && dit.depth() == 1) {
2953 if (pos && dit.boundary())
2955 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2956 rend = pm.pos2row(pos);
2958 rend = pm.pos2row(sl.pos());
2960 size_t rend = pm.pos2row(sl.pos());
2962 for (size_t rit = 0; rit != rend; ++rit)
2963 y += pm.rows()[rit].height();
2964 y += pm.rows()[rend].ascent();
2966 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2968 // Make relative position from the nested inset now bufferview absolute.
2969 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2972 // In the RTL case place the nested inset at the left of the cursor in
2973 // the outer paragraph
2974 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2975 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2983 Point BufferView::getPos(DocIterator const & dit) const
2985 if (!paragraphVisible(dit))
2986 return Point(-1, -1);
2988 CursorSlice const & bot = dit.bottom();
2989 TextMetrics const & tm = textMetrics(bot.text());
2991 // offset from outer paragraph
2992 Point p = coordOffset(dit);
2993 p.y_ += tm.parMetrics(bot.pit()).position();
2998 bool BufferView::paragraphVisible(DocIterator const & dit) const
3000 CursorSlice const & bot = dit.bottom();
3001 TextMetrics const & tm = textMetrics(bot.text());
3003 return tm.contains(bot.pit());
3007 void BufferView::setCaretAscentDescent(int asc, int des)
3009 d->caret_ascent_ = asc;
3010 d->caret_descent_ = des;
3014 void BufferView::caretPosAndHeight(Point & p, int & h) const
3017 Cursor const & cur = cursor();
3018 if (cur.inMathed()) {
3019 asc = d->caret_ascent_;
3020 des = d->caret_descent_;
3022 Font const font = cur.real_current_font;
3023 frontend::FontMetrics const & fm = theFontMetrics(font);
3024 asc = fm.maxAscent();
3025 des = fm.maxDescent();
3033 bool BufferView::cursorInView(Point const & p, int h) const
3035 Cursor const & cur = cursor();
3036 // does the cursor touch the screen ?
3037 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3043 int BufferView::horizScrollOffset() const
3045 return d->horiz_scroll_offset_;
3049 int BufferView::horizScrollOffset(Text const * text,
3050 pit_type pit, pos_type pos) const
3052 // Is this a row that is currently scrolled?
3053 if (!d->current_row_slice_.empty()
3054 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3055 && pit == d->current_row_slice_.pit()
3056 && pos == d->current_row_slice_.pos())
3057 return d->horiz_scroll_offset_;
3062 bool BufferView::hadHorizScrollOffset(Text const * text,
3063 pit_type pit, pos_type pos) const
3065 return !d->last_row_slice_.empty()
3066 && &text->inset() == d->last_row_slice_.inset().asInsetText()
3067 && pit == d->last_row_slice_.pit()
3068 && pos == d->last_row_slice_.pos();
3072 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3074 // nothing to do if the cursor was already on this row
3075 if (d->current_row_slice_ == rowSlice) {
3076 d->last_row_slice_ = CursorSlice();
3080 // if the (previous) current row was scrolled, we have to
3081 // remember it in order to repaint it next time.
3082 if (d->horiz_scroll_offset_ != 0)
3083 d->last_row_slice_ = d->current_row_slice_;
3085 d->last_row_slice_ = CursorSlice();
3087 // Since we changed row, the scroll offset is not valid anymore
3088 d->horiz_scroll_offset_ = 0;
3089 d->current_row_slice_ = rowSlice;
3093 void BufferView::checkCursorScrollOffset()
3095 CursorSlice rowSlice = d->cursor_.bottom();
3096 TextMetrics const & tm = textMetrics(rowSlice.text());
3098 // Stop if metrics have not been computed yet, since it means
3099 // that there is nothing to do.
3100 if (!tm.contains(rowSlice.pit()))
3102 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3103 Row const & row = pm.getRow(rowSlice.pos(),
3104 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3105 rowSlice.pos() = row.pos();
3107 // Set the row on which the cursor lives.
3108 setCurrentRowSlice(rowSlice);
3110 // Current x position of the cursor in pixels
3111 int cur_x = getPos(d->cursor_).x_;
3113 // Horizontal scroll offset of the cursor row in pixels
3114 int offset = d->horiz_scroll_offset_;
3115 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3117 if (row.right_x() <= workWidth() - row.right_margin) {
3118 // Row is narrower than the work area, no offset needed.
3121 if (cur_x - offset < MARGIN) {
3122 // cursor would be too far right
3123 offset = cur_x - MARGIN;
3124 } else if (cur_x - offset > workWidth() - MARGIN) {
3125 // cursor would be too far left
3126 offset = cur_x - workWidth() + MARGIN;
3128 // Correct the offset to make sure that we do not scroll too much
3131 if (row.right_x() - offset < workWidth() - row.right_margin)
3132 offset = row.right_x() - workWidth() + row.right_margin;
3135 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3137 if (offset != d->horiz_scroll_offset_)
3138 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3139 << d->horiz_scroll_offset_ << " to " << offset);
3141 if (d->update_strategy_ == NoScreenUpdate
3142 && (offset != d->horiz_scroll_offset_
3143 || !d->last_row_slice_.empty())) {
3144 // FIXME: if one uses SingleParUpdate, then home/end
3145 // will not work on long rows. Why?
3146 d->update_strategy_ = FullScreenUpdate;
3149 d->horiz_scroll_offset_ = offset;
3153 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3155 if (height_ == 0 || width_ == 0)
3157 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3158 : "\t\t*** START DRAWING ***"));
3159 Text & text = buffer_.text();
3160 TextMetrics const & tm = d->text_metrics_[&text];
3161 int const y = tm.first().second->position();
3162 PainterInfo pi(this, pain);
3164 // Check whether the row where the cursor lives needs to be scrolled.
3165 // Update the drawing strategy if needed.
3166 checkCursorScrollOffset();
3168 switch (d->update_strategy_) {
3170 case NoScreenUpdate:
3171 // no screen painting is actually needed. In nodraw stage
3172 // however, the different coordinates of insets and paragraphs
3173 // needs to be updated.
3174 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3175 pi.full_repaint = false;
3176 if (pain.isNull()) {
3177 pi.full_repaint = true;
3180 pi.full_repaint = false;
3185 case SingleParUpdate:
3186 pi.full_repaint = false;
3187 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3188 // In general, only the current row of the outermost paragraph
3189 // will be redrawn. Particular cases where selection spans
3190 // multiple paragraph are correctly detected in TextMetrics.
3194 case DecorationUpdate:
3195 // FIXME: We should also distinguish DecorationUpdate to avoid text
3196 // drawing if possible. This is not possible to do easily right now
3197 // because of the single backing pixmap.
3199 case FullScreenUpdate:
3201 LYXERR(Debug::PAINTING,
3202 ((d->update_strategy_ == FullScreenUpdate)
3203 ? "Strategy: FullScreenUpdate"
3204 : "Strategy: DecorationUpdate"));
3206 // The whole screen, including insets, will be refreshed.
3207 pi.full_repaint = true;
3209 // Clear background.
3210 pain.fillRectangle(0, 0, width_, height_,
3211 pi.backgroundColor(&buffer_.inset()));
3216 // and possibly grey out below
3217 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3218 int const y2 = lastpm.second->position() + lastpm.second->descent();
3221 Color color = buffer().isInternal()
3222 ? Color_background : Color_bottomarea;
3223 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3227 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3228 : "\t\t *** END DRAWING ***"));
3230 // The scrollbar needs an update.
3233 // Normalize anchor for next time
3234 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3235 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3236 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3237 ParagraphMetrics const & pm = tm.parMetrics(pit);
3238 if (pm.position() + pm.descent() > 0) {
3239 if (d->anchor_pit_ != pit
3240 || d->anchor_ypos_ != pm.position())
3241 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3242 << " anchor ypos = " << d->anchor_ypos_);
3243 d->anchor_pit_ = pit;
3244 d->anchor_ypos_ = pm.position();
3248 if (!pain.isNull()) {
3249 // reset the update flags, everything has been done
3250 d->update_flags_ = Update::None;
3253 // If a caret has to be painted, mark its text row as dirty to
3254 //make sure that it will be repainted on next redraw.
3255 /* FIXME: investigate whether this can be avoided when the cursor did not
3259 Row const & caret_row = d->cursor_.textRow();
3260 caret_row.changed(true);
3265 void BufferView::message(docstring const & msg)
3268 d->gui_->message(msg);
3272 void BufferView::showDialog(string const & name)
3275 d->gui_->showDialog(name, string());
3279 void BufferView::showDialog(string const & name,
3280 string const & data, Inset * inset)
3283 d->gui_->showDialog(name, data, inset);
3287 void BufferView::updateDialog(string const & name, string const & data)
3290 d->gui_->updateDialog(name, data);
3294 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3300 // FIXME: Move this out of BufferView again
3301 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3303 if (!fname.isReadableFile()) {
3304 docstring const error = from_ascii(strerror(errno));
3305 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3306 docstring const text =
3307 bformat(_("Could not read the specified document\n"
3308 "%1$s\ndue to the error: %2$s"), file, error);
3309 Alert::error(_("Could not read file"), text);
3313 if (!fname.isReadableFile()) {
3314 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3315 docstring const text =
3316 bformat(_("%1$s\n is not readable."), file);
3317 Alert::error(_("Could not open file"), text);
3321 // FIXME UNICODE: We don't know the encoding of the file
3322 docstring file_content = fname.fileContents("UTF-8");
3323 if (file_content.empty()) {
3324 Alert::error(_("Reading not UTF-8 encoded file"),
3325 _("The file is not UTF-8 encoded.\n"
3326 "It will be read as local 8Bit-encoded.\n"
3327 "If this does not give the correct result\n"
3328 "then please change the encoding of the file\n"
3329 "to UTF-8 with a program other than LyX.\n"));
3330 file_content = fname.fileContents("local8bit");
3333 return normalize_c(file_content);
3337 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3339 docstring const tmpstr = contentsOfPlaintextFile(f);
3344 Cursor & cur = cursor();
3345 cap::replaceSelection(cur);
3346 buffer_.undo().recordUndo(cur);
3348 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3350 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3352 buffer_.changed(true);
3356 docstring const & BufferView::inlineCompletion() const
3358 return d->inlineCompletion_;
3362 size_t const & BufferView::inlineCompletionUniqueChars() const
3364 return d->inlineCompletionUniqueChars_;
3368 DocIterator const & BufferView::inlineCompletionPos() const
3370 return d->inlineCompletionPos_;
3374 void BufferView::resetInlineCompletionPos()
3376 d->inlineCompletionPos_ = DocIterator();
3380 bool samePar(DocIterator const & a, DocIterator const & b)
3382 if (a.empty() && b.empty())
3384 if (a.empty() || b.empty())
3386 if (a.depth() != b.depth())
3388 return &a.innerParagraph() == &b.innerParagraph();
3392 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3393 docstring const & completion, size_t uniqueChars)
3395 uniqueChars = min(completion.size(), uniqueChars);
3396 bool changed = d->inlineCompletion_ != completion
3397 || d->inlineCompletionUniqueChars_ != uniqueChars;
3398 bool singlePar = true;
3399 d->inlineCompletion_ = completion;
3400 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3402 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3405 DocIterator const & old = d->inlineCompletionPos_;
3407 //lyxerr << "inlineCompletionPos changed" << std::endl;
3408 // old or pos are in another paragraph?
3409 if ((!samePar(cur, pos) && !pos.empty())
3410 || (!samePar(cur, old) && !old.empty())) {
3412 //lyxerr << "different paragraph" << std::endl;
3414 d->inlineCompletionPos_ = pos;
3419 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3420 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3422 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3427 bool BufferView::clickableInset() const
3429 return d->clickable_inset_;