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 // First check whether the metrics and inset positions should be updated
504 if (flags & Update::Force) {
505 // This will update the CoordCache items and replace Force
506 // with ForceDraw in flags.
507 updateMetrics(flags);
510 // Detect whether we can only repaint a single paragraph (if we
511 // are not already redrawing all).
512 // We handle this before FitCursor because the later will require
513 // correct metrics at cursor position.
514 if (!(flags & Update::ForceDraw)
515 && (flags & Update::SinglePar)
516 && !singleParUpdate())
517 updateMetrics(flags);
519 // Then make sure that the screen contains the cursor if needed
520 if (flags & Update::FitCursor) {
521 if (needsFitCursor()) {
522 scrollToCursor(d->cursor_, false);
523 // Metrics have to be recomputed (maybe again)
524 updateMetrics(flags);
526 flags = flags & ~Update::FitCursor;
529 // Add flags to the the update flags. These will be reset to None
530 // after the redraw is actually done
531 d->update_flags_ = d->update_flags_ | flags;
532 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
534 // Now compute the update strategy
535 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
536 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
537 | Update::Decoration | Update::ForceDraw)) == 0);
539 if (d->update_flags_ & Update::ForceDraw)
540 d->update_strategy_ = FullScreenUpdate;
541 else if (d->update_flags_ & Update::Decoration)
542 d->update_strategy_ = DecorationUpdate;
543 else if (d->update_flags_ & Update::SinglePar)
544 d->update_strategy_ = SingleParUpdate;
546 // no need to redraw anything.
547 d->update_strategy_ = NoScreenUpdate;
550 updateHoveredInset();
553 buffer_.changed(false);
557 void BufferView::updateScrollbar()
559 if (height_ == 0 && width_ == 0)
562 // We prefer fixed size line scrolling.
563 d->scrollbarParameters_.single_step = defaultRowHeight();
564 // We prefer full screen page scrolling.
565 d->scrollbarParameters_.page_step = height_;
567 Text & t = buffer_.text();
568 TextMetrics & tm = d->text_metrics_[&t];
570 LYXERR(Debug::GUI, " Updating scrollbar: height: "
571 << t.paragraphs().size()
572 << " curr par: " << d->cursor_.bottom().pit()
573 << " default height " << defaultRowHeight());
575 size_t const parsize = t.paragraphs().size();
576 if (d->par_height_.size() != parsize) {
577 d->par_height_.clear();
578 // FIXME: We assume a default paragraph height of 2 rows. This
579 // should probably be pondered with the screen width.
580 d->par_height_.resize(parsize, defaultRowHeight() * 2);
583 // Look at paragraph heights on-screen
584 pair<pit_type, ParagraphMetrics const *> first = tm.first();
585 pair<pit_type, ParagraphMetrics const *> last = tm.last();
586 for (pit_type pit = first.first; pit <= last.first; ++pit) {
587 d->par_height_[pit] = tm.parMetrics(pit).height();
588 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
589 << d->par_height_[pit]);
592 int top_pos = first.second->position() - first.second->ascent();
593 int bottom_pos = last.second->position() + last.second->descent();
594 bool first_visible = first.first == 0 && top_pos >= 0;
595 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
596 if (first_visible && last_visible) {
597 d->scrollbarParameters_.min = 0;
598 d->scrollbarParameters_.max = 0;
602 d->scrollbarParameters_.min = top_pos;
603 for (size_t i = 0; i != size_t(first.first); ++i)
604 d->scrollbarParameters_.min -= d->par_height_[i];
605 d->scrollbarParameters_.max = bottom_pos;
606 for (size_t i = last.first + 1; i != parsize; ++i)
607 d->scrollbarParameters_.max += d->par_height_[i];
609 // The reference is the top position so we remove one page.
610 if (lyxrc.scroll_below_document)
611 d->scrollbarParameters_.max -= minVisiblePart();
613 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
615 // 0 must be inside the range as it denotes the current position
616 if (d->scrollbarParameters_.max < 0)
617 d->scrollbarParameters_.max = 0;
618 if (d->scrollbarParameters_.min > 0)
619 d->scrollbarParameters_.min = 0;
623 ScrollbarParameters const & BufferView::scrollbarParameters() const
625 return d->scrollbarParameters_;
629 docstring BufferView::toolTip(int x, int y) const
631 // Get inset under mouse, if there is one.
632 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
634 // No inset, no tooltip...
636 return covering_inset->toolTip(*this, x, y);
640 string BufferView::contextMenu(int x, int y) const
642 //If there is a selection, return the containing inset menu
643 if (d->cursor_.selection())
644 return d->cursor_.inset().contextMenu(*this, x, y);
646 // Get inset under mouse, if there is one.
647 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
649 return covering_inset->contextMenu(*this, x, y);
651 return buffer_.inset().contextMenu(*this, x, y);
656 void BufferView::scrollDocView(int const value, bool update)
658 // The scrollbar values are relative to the top of the screen, therefore the
659 // offset is equal to the target value.
661 // No scrolling at all? No need to redraw anything
665 // If the offset is less than 2 screen height, prefer to scroll instead.
666 if (abs(value) <= 2 * height_) {
667 d->anchor_ypos_ -= value;
668 processUpdateFlags(Update::Force);
672 // cut off at the top
673 if (value <= d->scrollbarParameters_.min) {
674 DocIterator dit = doc_iterator_begin(&buffer_);
675 showCursor(dit, false, update);
676 LYXERR(Debug::SCROLLING, "scroll to top");
680 // cut off at the bottom
681 if (value >= d->scrollbarParameters_.max) {
682 DocIterator dit = doc_iterator_end(&buffer_);
684 showCursor(dit, false, update);
685 LYXERR(Debug::SCROLLING, "scroll to bottom");
689 // find paragraph at target position
690 int par_pos = d->scrollbarParameters_.min;
692 for (; i != int(d->par_height_.size()); ++i) {
693 par_pos += d->par_height_[i];
694 if (par_pos >= value)
698 if (par_pos < value) {
699 // It seems we didn't find the correct pit so stay on the safe side and
701 LYXERR0("scrolling position not found!");
702 scrollDocView(d->scrollbarParameters_.max, update);
706 DocIterator dit = doc_iterator_begin(&buffer_);
708 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
709 showCursor(dit, false, update);
713 // FIXME: this method is not working well.
714 void BufferView::setCursorFromScrollbar()
716 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
718 int const height = 2 * defaultRowHeight();
719 int const first = height;
720 int const last = height_ - height;
722 Cursor const & oldcur = d->cursor_;
724 switch (cursorStatus(oldcur)) {
732 int const y = getPos(oldcur).y_;
733 newy = min(last, max(y, first));
737 // We reset the cursor because cursorStatus() does not
738 // work when the cursor is within mathed.
741 tm.setCursorFromCoordinates(cur, 0, newy);
743 // update the bufferview cursor and notify insets
744 // FIXME: Care about the d->cursor_ flags to redraw if needed
745 Cursor old = d->cursor_;
747 // the DEPM call in mouseSetCursor() might have destroyed the
748 // paragraph the cursor is in.
749 bool badcursor = old.fixIfBroken();
750 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
752 d->cursor_.fixIfBroken();
756 Change const BufferView::getCurrentChange() const
758 if (!d->cursor_.selection())
759 return Change(Change::UNCHANGED);
761 DocIterator dit = d->cursor_.selectionBegin();
762 // The selected content might have been changed (see #7685)
763 dit = dit.getInnerText();
764 return dit.paragraph().lookupChange(dit.pos());
768 // this could be used elsewhere as well?
769 // FIXME: This does not work within mathed!
770 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
772 Point const p = getPos(dit);
775 if (p.y_ > workHeight())
781 void BufferView::bookmarkEditPosition()
783 // Don't eat cpu time for each keystroke
784 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
787 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
791 void BufferView::saveBookmark(unsigned int idx)
793 // tentatively save bookmark, id and pos will be used to
794 // acturately locate a bookmark in a 'live' lyx session.
795 // pit and pos will be updated with bottom level pit/pos
797 if (!buffer_.isInternal()) {
798 theSession().bookmarks().save(
800 d->cursor_.bottom().pit(),
801 d->cursor_.bottom().pos(),
802 d->cursor_.paragraph().id(),
807 // emit message signal.
808 message(_("Save bookmark"));
813 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
814 int top_id, pos_type top_pos)
816 bool success = false;
819 d->cursor_.clearSelection();
821 // if a valid par_id is given, try it first
822 // This is the case for a 'live' bookmark when unique paragraph ID
823 // is used to track bookmarks.
825 dit = buffer_.getParFromID(top_id);
827 dit.pos() = min(dit.paragraph().size(), top_pos);
828 // Some slices of the iterator may not be
829 // reachable (e.g. closed collapsible inset)
830 // so the dociterator may need to be
831 // shortened. Otherwise, setCursor may crash
832 // lyx when the cursor can not be set to these
834 size_t const n = dit.depth();
835 for (size_t i = 0; i < n; ++i)
836 if (!dit[i].inset().editable()) {
844 // if top_id == 0, or searching through top_id failed
845 // This is the case for a 'restored' bookmark when only bottom
846 // (document level) pit was saved. Because of this, bookmark
847 // restoration is inaccurate. If a bookmark was within an inset,
848 // it will be restored to the left of the outmost inset that contains
850 if (bottom_pit < int(buffer_.paragraphs().size())) {
851 dit = doc_iterator_begin(&buffer_);
853 dit.pit() = bottom_pit;
854 dit.pos() = min(bottom_pos, dit.paragraph().size());
859 // Note: only bottom (document) level pit is set.
861 // set the current font.
862 d->cursor_.setCurrentFont();
863 // Do not forget to reset the anchor (see #9912)
864 d->cursor_.resetAnchor();
865 processUpdateFlags(Update::Force | Update::FitCursor);
872 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
874 if (d->cursor_.real_current_font.isRightToLeft()) {
875 if (d->intl_.keymap == Intl::PRIMARY)
876 d->intl_.keyMapSec();
878 if (d->intl_.keymap == Intl::SECONDARY)
879 d->intl_.keyMapPrim();
882 d->intl_.getTransManager().translateAndInsert(c, t, cur);
886 int BufferView::workWidth() const
892 void BufferView::recenter()
894 showCursor(d->cursor_, true, true);
898 void BufferView::showCursor()
900 showCursor(d->cursor_, false, true);
904 void BufferView::showCursor(DocIterator const & dit,
905 bool recenter, bool update)
907 if (scrollToCursor(dit, recenter) && update)
908 processUpdateFlags(Update::Force);
912 void BufferView::scrollToCursor()
914 if (scrollToCursor(d->cursor_, false))
915 processUpdateFlags(Update::Force);
919 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
921 // We are not properly started yet, delay until resizing is
926 LYXERR(Debug::SCROLLING, "recentering!");
928 CursorSlice const & bot = dit.bottom();
929 TextMetrics & tm = d->text_metrics_[bot.text()];
931 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
932 int bot_pit = bot.pit();
933 if (bot_pit > max_pit) {
934 // FIXME: Why does this happen?
935 LYXERR0("bottom pit is greater that max pit: "
936 << bot_pit << " > " << max_pit);
940 if (bot_pit == tm.first().first - 1)
941 tm.newParMetricsUp();
942 else if (bot_pit == tm.last().first + 1)
943 tm.newParMetricsDown();
945 if (tm.contains(bot_pit)) {
946 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
947 LBUFERR(!pm.rows().empty());
948 // FIXME: smooth scrolling doesn't work in mathed.
949 CursorSlice const & cs = dit.innerTextSlice();
950 int offset = coordOffset(dit).y_;
951 int ypos = pm.position() + offset;
952 Dimension const & row_dim =
953 pm.getRow(cs.pos(), dit.boundary()).dim();
956 scrolled = scroll(ypos - height_/2);
958 // We try to visualize the whole row, if the row height is larger than
959 // the screen height, we scroll to a heuristic value of height_ / 4.
960 // FIXME: This heuristic value should be replaced by a recursive search
961 // for a row in the inset that can be visualized completely.
962 else if (row_dim.height() > height_) {
963 if (ypos < defaultRowHeight())
964 scrolled = scroll(ypos - height_ / 4);
965 else if (ypos > height_ - defaultRowHeight())
966 scrolled = scroll(ypos - 3 * height_ / 4);
969 // If the top part of the row falls of the screen, we scroll
970 // up to align the top of the row with the top of the screen.
971 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
972 int ynew = row_dim.ascent();
973 scrolled = scrollUp(ynew - ypos);
976 // If the bottom of the row falls of the screen, we scroll down.
977 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
978 int ynew = height_ - row_dim.descent();
979 scrolled = scrollDown(ypos - ynew);
982 // else, nothing to do, the cursor is already visible so we just return.
983 return scrolled != 0;
986 // fix inline completion position
987 if (d->inlineCompletionPos_.fixIfBroken())
988 d->inlineCompletionPos_ = DocIterator();
990 tm.redoParagraph(bot_pit);
991 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
992 int offset = coordOffset(dit).y_;
994 d->anchor_pit_ = bot_pit;
995 CursorSlice const & cs = dit.innerTextSlice();
996 Dimension const & row_dim =
997 pm.getRow(cs.pos(), dit.boundary()).dim();
1000 d->anchor_ypos_ = height_/2;
1001 else if (d->anchor_pit_ == 0)
1002 d->anchor_ypos_ = offset + pm.ascent();
1003 else if (d->anchor_pit_ == max_pit)
1004 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1005 else if (offset > height_)
1006 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1008 d->anchor_ypos_ = defaultRowHeight() * 2;
1014 void BufferView::makeDocumentClass()
1016 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1017 buffer_.params().makeDocumentClass();
1018 updateDocumentClass(olddc);
1022 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1024 message(_("Converting document to new document class..."));
1026 StableDocIterator backcur(d->cursor_);
1027 ErrorList & el = buffer_.errorList("Class Switch");
1028 cap::switchBetweenClasses(
1029 olddc, buffer_.params().documentClassPtr(),
1030 static_cast<InsetText &>(buffer_.inset()), el);
1032 setCursor(backcur.asDocIterator(&buffer_));
1034 buffer_.errors("Class Switch");
1038 /** Return the change status at cursor position, taking into account the
1039 * status at each level of the document iterator (a table in a deleted
1040 * footnote is deleted).
1041 * When \param outer is true, the top slice is not looked at.
1043 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1045 size_t const depth = dit.depth() - (outer ? 1 : 0);
1047 for (size_t i = 0 ; i < depth ; ++i) {
1048 CursorSlice const & slice = dit[i];
1049 if (!slice.inset().inMathed()
1050 && slice.pos() < slice.paragraph().size()) {
1051 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1052 if (ch != Change::UNCHANGED)
1056 return Change::UNCHANGED;
1060 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1062 FuncCode const act = cmd.action();
1064 // Can we use a readonly buffer?
1065 if (buffer_.isReadonly()
1066 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1067 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1068 if (buffer_.hasReadonlyFlag())
1069 flag.message(from_utf8(N_("Document is read-only")));
1071 flag.message(from_utf8(N_("Document has been modified externally")));
1072 flag.setEnabled(false);
1076 // Are we in a DELETED change-tracking region?
1077 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1078 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1079 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1080 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1081 flag.setEnabled(false);
1085 Cursor & cur = d->cursor_;
1087 if (cur.getStatus(cmd, flag))
1092 // FIXME: This is a bit problematic because we don't check if this is
1093 // a document BufferView or not for these LFUNs. We probably have to
1094 // dispatch both to currentBufferView() and, if that fails,
1095 // to documentBufferView(); same as we do now for current Buffer and
1096 // document Buffer. Ideally those LFUN should go to Buffer as they
1097 // operate on the full Buffer and the cursor is only needed either for
1098 // an Undo record or to restore a cursor position. But we don't know
1099 // how to do that inside Buffer of course.
1100 case LFUN_BUFFER_PARAMS_APPLY:
1101 case LFUN_LAYOUT_MODULES_CLEAR:
1102 case LFUN_LAYOUT_MODULE_ADD:
1103 case LFUN_LAYOUT_RELOAD:
1104 case LFUN_TEXTCLASS_APPLY:
1105 case LFUN_TEXTCLASS_LOAD:
1106 flag.setEnabled(!buffer_.isReadonly());
1110 // We do not use the LyXAction flag for readonly because Undo sets the
1111 // buffer clean/dirty status by itself.
1112 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1115 // We do not use the LyXAction flag for readonly because Redo sets the
1116 // buffer clean/dirty status by itself.
1117 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1119 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1120 case LFUN_FILE_INSERT_PLAINTEXT: {
1121 docstring const fname = cmd.argument();
1122 if (!FileName::isAbsolute(to_utf8(fname))) {
1123 flag.message(_("Absolute filename expected."));
1126 flag.setEnabled(cur.inTexted());
1129 case LFUN_FILE_INSERT:
1130 case LFUN_BOOKMARK_SAVE:
1131 // FIXME: Actually, these LFUNS should be moved to Text
1132 flag.setEnabled(cur.inTexted());
1135 case LFUN_FONT_STATE:
1136 case LFUN_LABEL_INSERT:
1137 case LFUN_INFO_INSERT:
1138 case LFUN_PARAGRAPH_GOTO:
1139 case LFUN_NOTE_NEXT:
1140 case LFUN_REFERENCE_NEXT:
1141 case LFUN_WORD_FIND:
1142 case LFUN_WORD_FIND_FORWARD:
1143 case LFUN_WORD_FIND_BACKWARD:
1144 case LFUN_WORD_REPLACE:
1147 case LFUN_MARK_TOGGLE:
1148 case LFUN_SCREEN_RECENTER:
1149 case LFUN_SCREEN_SHOW_CURSOR:
1150 case LFUN_BIBTEX_DATABASE_ADD:
1151 case LFUN_BIBTEX_DATABASE_DEL:
1152 case LFUN_STATISTICS:
1153 case LFUN_KEYMAP_OFF:
1154 case LFUN_KEYMAP_PRIMARY:
1155 case LFUN_KEYMAP_SECONDARY:
1156 case LFUN_KEYMAP_TOGGLE:
1157 case LFUN_INSET_SELECT_ALL:
1158 flag.setEnabled(true);
1161 case LFUN_GRAPHICS_UNIFY:
1162 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1165 case LFUN_WORD_FINDADV: {
1166 FindAndReplaceOptions opt;
1167 istringstream iss(to_utf8(cmd.argument()));
1169 flag.setEnabled(opt.repl_buf_name.empty()
1170 || !buffer_.isReadonly());
1174 case LFUN_LABEL_GOTO:
1175 flag.setEnabled(!cmd.argument().empty()
1176 || getInsetByCode<InsetRef>(cur, REF_CODE));
1179 case LFUN_CHANGES_MERGE:
1180 case LFUN_CHANGE_NEXT:
1181 case LFUN_CHANGE_PREVIOUS:
1182 case LFUN_ALL_CHANGES_ACCEPT:
1183 case LFUN_ALL_CHANGES_REJECT:
1184 flag.setEnabled(buffer_.areChangesPresent());
1187 case LFUN_SCREEN_UP:
1188 case LFUN_SCREEN_DOWN:
1190 case LFUN_SCREEN_UP_SELECT:
1191 case LFUN_SCREEN_DOWN_SELECT:
1192 case LFUN_INSET_FORALL:
1193 flag.setEnabled(true);
1196 case LFUN_LAYOUT_TABULAR:
1197 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1201 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1204 case LFUN_LAYOUT_PARAGRAPH:
1205 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1208 case LFUN_BRANCH_ADD_INSERT:
1209 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1212 case LFUN_DIALOG_SHOW_NEW_INSET:
1213 // FIXME: this is wrong, but I do not understand the
1215 if (cur.inset().lyxCode() == CAPTION_CODE)
1216 return cur.inset().getStatus(cur, cmd, flag);
1217 // FIXME we should consider passthru paragraphs too.
1218 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1221 case LFUN_CITATION_INSERT: {
1222 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1223 // FIXME: This could turn in a recursive hell.
1224 // Shouldn't we use Buffer::getStatus() instead?
1225 flag.setEnabled(lyx::getStatus(fr).enabled());
1228 case LFUN_INSET_APPLY: {
1229 string const name = cmd.getArg(0);
1230 Inset * inset = editedInset(name);
1232 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1233 if (!inset->getStatus(cur, fr, flag)) {
1234 // Every inset is supposed to handle this
1235 LASSERT(false, break);
1238 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1239 flag = lyx::getStatus(fr);
1252 Inset * BufferView::editedInset(string const & name) const
1254 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1255 return it == d->edited_insets_.end() ? 0 : it->second;
1259 void BufferView::editInset(string const & name, Inset * inset)
1262 d->edited_insets_[name] = inset;
1264 d->edited_insets_.erase(name);
1268 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1270 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1272 string const argument = to_utf8(cmd.argument());
1273 Cursor & cur = d->cursor_;
1276 // Don't dispatch function that does not apply to internal buffers.
1277 if (buffer_.isInternal()
1278 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1281 // We'll set this back to false if need be.
1282 bool dispatched = true;
1283 buffer_.undo().beginUndoGroup();
1285 FuncCode const act = cmd.action();
1288 case LFUN_BUFFER_PARAMS_APPLY: {
1289 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1290 cur.recordUndoBufferParams();
1291 istringstream ss(to_utf8(cmd.argument()));
1294 int const unknown_tokens = buffer_.readHeader(lex);
1295 if (unknown_tokens != 0) {
1296 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1297 << unknown_tokens << " unknown token"
1298 << (unknown_tokens == 1 ? "" : "s"));
1300 updateDocumentClass(olddc);
1302 // We are most certainly here because of a change in the document
1303 // It is then better to make sure that all dialogs are in sync with
1304 // current document settings.
1305 dr.screenUpdate(Update::Force | Update::FitCursor);
1306 dr.forceBufferUpdate();
1310 case LFUN_LAYOUT_MODULES_CLEAR: {
1311 // FIXME: this modifies the document in cap::switchBetweenClasses
1312 // without calling recordUndo. Fix this before using
1313 // recordUndoBufferParams().
1314 cur.recordUndoFullBuffer();
1315 buffer_.params().clearLayoutModules();
1316 makeDocumentClass();
1317 dr.screenUpdate(Update::Force);
1318 dr.forceBufferUpdate();
1322 case LFUN_LAYOUT_MODULE_ADD: {
1323 BufferParams const & params = buffer_.params();
1324 if (!params.layoutModuleCanBeAdded(argument)) {
1325 LYXERR0("Module `" << argument <<
1326 "' cannot be added due to failed requirements or "
1327 "conflicts with installed modules.");
1330 // FIXME: this modifies the document in cap::switchBetweenClasses
1331 // without calling recordUndo. Fix this before using
1332 // recordUndoBufferParams().
1333 cur.recordUndoFullBuffer();
1334 buffer_.params().addLayoutModule(argument);
1335 makeDocumentClass();
1336 dr.screenUpdate(Update::Force);
1337 dr.forceBufferUpdate();
1341 case LFUN_TEXTCLASS_APPLY: {
1342 // since this shortcircuits, the second call is made only if
1344 bool const success =
1345 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1346 LayoutFileList::get().load(argument, buffer_.filePath());
1348 docstring s = bformat(_("The document class `%1$s' "
1349 "could not be loaded."), from_utf8(argument));
1350 frontend::Alert::error(_("Could not load class"), s);
1354 LayoutFile const * old_layout = buffer_.params().baseClass();
1355 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1357 if (old_layout == new_layout)
1361 // Save the old, possibly modular, layout for use in conversion.
1362 // FIXME: this modifies the document in cap::switchBetweenClasses
1363 // without calling recordUndo. Fix this before using
1364 // recordUndoBufferParams().
1365 cur.recordUndoFullBuffer();
1366 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1367 makeDocumentClass();
1368 dr.screenUpdate(Update::Force);
1369 dr.forceBufferUpdate();
1373 case LFUN_TEXTCLASS_LOAD: {
1374 // since this shortcircuits, the second call is made only if
1376 bool const success =
1377 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1378 LayoutFileList::get().load(argument, buffer_.filePath());
1380 docstring s = bformat(_("The document class `%1$s' "
1381 "could not be loaded."), from_utf8(argument));
1382 frontend::Alert::error(_("Could not load class"), s);
1387 case LFUN_LAYOUT_RELOAD: {
1388 LayoutFileIndex bc = buffer_.params().baseClassID();
1389 LayoutFileList::get().reset(bc);
1390 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1391 makeDocumentClass();
1392 dr.screenUpdate(Update::Force);
1393 dr.forceBufferUpdate();
1398 dr.setMessage(_("Undo"));
1399 cur.clearSelection();
1400 // We need to find out if the bibliography information
1401 // has changed. See bug #11055.
1402 // So these should not be references...
1403 string const engine = buffer().params().citeEngine();
1404 CiteEngineType const enginetype = buffer().params().citeEngineType();
1405 if (!cur.undoAction())
1406 dr.setMessage(_("No further undo information"));
1408 dr.screenUpdate(Update::Force | Update::FitCursor);
1409 dr.forceBufferUpdate();
1410 if (buffer().params().citeEngine() != engine ||
1411 buffer().params().citeEngineType() != enginetype)
1412 buffer().invalidateCiteLabels();
1418 dr.setMessage(_("Redo"));
1419 cur.clearSelection();
1420 // We need to find out if the bibliography information
1421 // has changed. See bug #11055.
1422 // So these should not be references...
1423 string const engine = buffer().params().citeEngine();
1424 CiteEngineType const enginetype = buffer().params().citeEngineType();
1425 if (!cur.redoAction())
1426 dr.setMessage(_("No further redo information"));
1428 dr.screenUpdate(Update::Force | Update::FitCursor);
1429 dr.forceBufferUpdate();
1430 if (buffer().params().citeEngine() != engine ||
1431 buffer().params().citeEngineType() != enginetype)
1432 buffer().invalidateCiteLabels();
1437 case LFUN_FONT_STATE:
1438 dr.setMessage(cur.currentState(false));
1441 case LFUN_BOOKMARK_SAVE:
1442 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1445 case LFUN_LABEL_GOTO: {
1446 docstring label = cmd.argument();
1447 if (label.empty()) {
1449 getInsetByCode<InsetRef>(cur, REF_CODE);
1451 label = inset->getParam("reference");
1452 // persistent=false: use temp_bookmark
1456 if (!label.empty()) {
1458 // at the moment, this is redundant, since gotoLabel will
1459 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1461 dr.screenUpdate(Update::Force | Update::FitCursor);
1466 case LFUN_PARAGRAPH_GOTO: {
1467 int const id = convert<int>(cmd.getArg(0));
1468 pos_type const pos = convert<int>(cmd.getArg(1));
1471 string const str_id_end = cmd.getArg(2);
1472 string const str_pos_end = cmd.getArg(3);
1474 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1475 b = theBufferList().next(b)) {
1478 curs.setCursor(b->getParFromID(id));
1480 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1484 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1485 << " found in buffer `"
1486 << b->absFileName() << "'.");
1488 if (b == &buffer_) {
1490 if (str_id_end.empty() || str_pos_end.empty()) {
1493 mouseSetCursor(curs);
1496 int const id_end = convert<int>(str_id_end);
1497 pos_type const pos_end = convert<int>(str_pos_end);
1498 success = setCursorFromEntries({id, pos},
1502 dr.screenUpdate(Update::Force | Update::FitCursor);
1504 // Switch to other buffer view and resend cmd
1505 lyx::dispatch(FuncRequest(
1506 LFUN_BUFFER_SWITCH, b->absFileName()));
1514 case LFUN_NOTE_NEXT:
1515 gotoInset(this, NOTE_CODE, false);
1518 case LFUN_REFERENCE_NEXT: {
1519 vector<InsetCode> tmp;
1520 tmp.push_back(LABEL_CODE);
1521 tmp.push_back(REF_CODE);
1522 gotoInset(this, tmp, true);
1526 case LFUN_CHANGE_NEXT:
1527 findNextChange(this);
1528 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1529 dr.screenUpdate(Update::Force | Update::FitCursor);
1532 case LFUN_CHANGE_PREVIOUS:
1533 findPreviousChange(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_CHANGES_MERGE:
1539 if (findNextChange(this) || findPreviousChange(this)) {
1540 dr.screenUpdate(Update::Force | Update::FitCursor);
1541 dr.forceBufferUpdate();
1542 showDialog("changes");
1546 case LFUN_ALL_CHANGES_ACCEPT:
1547 // select complete document
1549 cur.selHandle(true);
1550 buffer_.text().cursorBottom(cur);
1551 // accept everything in a single step to support atomic undo
1552 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1554 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1555 dr.screenUpdate(Update::Force | Update::FitCursor);
1556 dr.forceBufferUpdate();
1559 case LFUN_ALL_CHANGES_REJECT:
1560 // select complete document
1562 cur.selHandle(true);
1563 buffer_.text().cursorBottom(cur);
1564 // reject everything in a single step to support atomic undo
1565 // Note: reject does not work recursively; the user may have to repeat the operation
1566 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1568 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1569 dr.screenUpdate(Update::Force | Update::FitCursor);
1570 dr.forceBufferUpdate();
1573 case LFUN_WORD_FIND_FORWARD:
1574 case LFUN_WORD_FIND_BACKWARD: {
1576 // Would it maybe be better if this variable were view specific anyway?
1577 static docstring last_search;
1578 docstring searched_string;
1580 if (!cmd.argument().empty()) {
1581 last_search = cmd.argument();
1582 searched_string = cmd.argument();
1584 searched_string = last_search;
1587 if (searched_string.empty())
1590 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1591 docstring const data =
1592 find2string(searched_string, true, false, fw);
1593 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1595 dr.screenUpdate(Update::Force | Update::FitCursor);
1599 case LFUN_WORD_FIND: {
1600 FuncRequest req = cmd;
1601 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1602 req = d->search_request_cache_;
1603 if (req.argument().empty()) {
1604 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1607 if (lyxfind(this, req))
1608 dr.screenUpdate(Update::Force | Update::FitCursor);
1610 d->search_request_cache_ = req;
1614 case LFUN_WORD_REPLACE: {
1615 bool has_deleted = false;
1616 if (cur.selection()) {
1617 DocIterator beg = cur.selectionBegin();
1618 DocIterator end = cur.selectionEnd();
1619 if (beg.pit() == end.pit()) {
1620 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1621 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1628 if (lyxreplace(this, cmd, has_deleted)) {
1629 dr.forceBufferUpdate();
1630 dr.screenUpdate(Update::Force | Update::FitCursor);
1635 case LFUN_WORD_FINDADV: {
1636 FindAndReplaceOptions opt;
1637 istringstream iss(to_utf8(cmd.argument()));
1639 if (findAdv(this, opt)) {
1640 dr.screenUpdate(Update::Force | Update::FitCursor);
1651 cur.clearSelection();
1652 dr.setMessage(from_utf8(N_("Mark off")));
1656 cur.clearSelection();
1658 dr.setMessage(from_utf8(N_("Mark on")));
1661 case LFUN_MARK_TOGGLE:
1662 cur.selection(false);
1665 dr.setMessage(from_utf8(N_("Mark removed")));
1668 dr.setMessage(from_utf8(N_("Mark set")));
1673 case LFUN_SCREEN_SHOW_CURSOR:
1677 case LFUN_SCREEN_RECENTER:
1681 case LFUN_BIBTEX_DATABASE_ADD: {
1682 Cursor tmpcur = cur;
1683 findInset(tmpcur, BIBTEX_CODE, false);
1684 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1687 if (inset->addDatabase(cmd.argument()))
1688 dr.forceBufferUpdate();
1693 case LFUN_BIBTEX_DATABASE_DEL: {
1694 Cursor tmpcur = cur;
1695 findInset(tmpcur, BIBTEX_CODE, false);
1696 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1699 if (inset->delDatabase(cmd.argument()))
1700 dr.forceBufferUpdate();
1705 case LFUN_GRAPHICS_UNIFY: {
1707 cur.recordUndoFullBuffer();
1709 DocIterator from, to;
1710 from = cur.selectionBegin();
1711 to = cur.selectionEnd();
1713 string const newId = cmd.getArg(0);
1714 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1716 InsetGraphicsParams grp_par;
1718 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1720 if (!from.nextInset()) //move to closest inset
1721 from.forwardInset();
1723 while (!from.empty() && from < to) {
1724 Inset * inset = from.nextInset();
1727 InsetGraphics * ig = inset->asInsetGraphics();
1729 InsetGraphicsParams inspar = ig->getParams();
1734 grp_par.filename = inspar.filename;
1735 ig->setParams(grp_par);
1738 from.forwardInset();
1740 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1744 case LFUN_STATISTICS: {
1745 DocIterator from, to;
1746 if (cur.selection()) {
1747 from = cur.selectionBegin();
1748 to = cur.selectionEnd();
1750 from = doc_iterator_begin(&buffer_);
1751 to = doc_iterator_end(&buffer_);
1753 buffer_.updateStatistics(from, to);
1754 int const words = buffer_.wordCount();
1755 int const chars = buffer_.charCount(false);
1756 int const chars_blanks = buffer_.charCount(true);
1758 if (cur.selection())
1759 message = _("Statistics for the selection:");
1761 message = _("Statistics for the document:");
1764 message += bformat(_("%1$d words"), words);
1766 message += _("One word");
1768 if (chars_blanks != 1)
1769 message += bformat(_("%1$d characters (including blanks)"),
1772 message += _("One character (including blanks)");
1775 message += bformat(_("%1$d characters (excluding blanks)"),
1778 message += _("One character (excluding blanks)");
1780 Alert::information(_("Statistics"), message);
1784 case LFUN_SCREEN_UP:
1785 case LFUN_SCREEN_DOWN: {
1786 Point p = getPos(cur);
1787 // This code has been commented out to enable to scroll down a
1788 // document, even if there are large insets in it (see bug #5465).
1789 /*if (p.y_ < 0 || p.y_ > height_) {
1790 // The cursor is off-screen so recenter before proceeding.
1794 int const scrolled = scroll(act == LFUN_SCREEN_UP
1795 ? -height_ : height_);
1796 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1798 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1799 p = Point(width_, height_);
1800 bool const in_texted = cur.inTexted();
1801 cur.setCursor(doc_iterator_begin(cur.buffer()));
1802 cur.selHandle(false);
1803 // Force an immediate computation of metrics because we need it below
1804 processUpdateFlags(Update::Force);
1806 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1807 true, act == LFUN_SCREEN_UP);
1808 //FIXME: what to do with cur.x_target()?
1809 bool update = in_texted && cur.bv().checkDepm(cur, old);
1812 if (update || cur.mark())
1813 dr.screenUpdate(Update::Force | Update::FitCursor);
1815 dr.forceBufferUpdate();
1820 string const scroll_type = cmd.getArg(0);
1821 int scroll_step = 0;
1822 if (scroll_type == "line")
1823 scroll_step = d->scrollbarParameters_.single_step;
1824 else if (scroll_type == "page")
1825 scroll_step = d->scrollbarParameters_.page_step;
1828 string const scroll_quantity = cmd.getArg(1);
1829 if (scroll_quantity == "up")
1830 scrollUp(scroll_step);
1831 else if (scroll_quantity == "down")
1832 scrollDown(scroll_step);
1834 int const scroll_value = convert<int>(scroll_quantity);
1836 scroll(scroll_step * scroll_value);
1838 dr.screenUpdate(Update::ForceDraw);
1839 dr.forceBufferUpdate();
1843 case LFUN_SCREEN_UP_SELECT: {
1844 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1845 cur.selHandle(true);
1846 if (isTopScreen()) {
1847 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1851 int y = getPos(cur).y_;
1852 int const ymin = y - height_ + defaultRowHeight();
1853 while (y > ymin && cur.up())
1857 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1861 case LFUN_SCREEN_DOWN_SELECT: {
1862 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1863 cur.selHandle(true);
1864 if (isBottomScreen()) {
1865 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1869 int y = getPos(cur).y_;
1870 int const ymax = y + height_ - defaultRowHeight();
1871 while (y < ymax && cur.down())
1875 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1880 case LFUN_INSET_SELECT_ALL: {
1881 // true if all cells are selected
1882 bool const all_selected = cur.depth() > 1
1883 && cur.selBegin().at_begin()
1884 && cur.selEnd().at_end();
1885 // true if some cells are selected
1886 bool const cells_selected = cur.depth() > 1
1887 && cur.selBegin().at_cell_begin()
1888 && cur.selEnd().at_cell_end();
1889 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1890 // All the contents of the inset if selected, or only at
1891 // least one cell but inset is not a table.
1892 // Select the inset from outside.
1895 cur.selection(true);
1897 } else if (cells_selected) {
1898 // At least one complete cell is selected and inset is a table.
1904 cur.selection(true);
1905 cur.idx() = cur.lastidx();
1906 cur.pit() = cur.lastpit();
1907 cur.pos() = cur.lastpos();
1909 // select current cell
1913 cur.selection(true);
1914 cur.pit() = cur.lastpit();
1915 cur.pos() = cur.lastpos();
1917 cur.setCurrentFont();
1918 dr.screenUpdate(Update::Force);
1923 case LFUN_UNICODE_INSERT: {
1924 if (cmd.argument().empty())
1927 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1928 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1931 docstring const arg = from_utf8(cmd.getArg(i));
1935 LYXERR0("Not a hexstring: " << arg);
1939 char_type c = hexToInt(arg);
1940 if (c >= 32 && c < 0x10ffff) {
1941 LYXERR(Debug::KEY, "Inserting c: " << c);
1942 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1950 // This would be in Buffer class if only Cursor did not
1951 // require a bufferview
1952 case LFUN_INSET_FORALL: {
1953 docstring const name = from_utf8(cmd.getArg(0));
1954 string const commandstr = cmd.getLongArg(1);
1955 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1957 // an arbitrary number to limit number of iterations
1958 const int max_iter = 100000;
1960 Cursor & curs = d->cursor_;
1961 Cursor const savecur = curs;
1963 if (!curs.nextInset())
1964 curs.forwardInset();
1965 curs.beginUndoGroup();
1966 while(curs && iterations < max_iter) {
1967 Inset * const ins = curs.nextInset();
1970 docstring insname = ins->layoutName();
1971 while (!insname.empty()) {
1972 if (insname == name || name == from_utf8("*")) {
1974 lyx::dispatch(fr, dr);
1978 size_t const i = insname.rfind(':');
1979 if (i == string::npos)
1981 insname = insname.substr(0, i);
1983 // if we did not delete the inset, skip it
1984 if (!curs.nextInset() || curs.nextInset() == ins)
1985 curs.forwardInset();
1989 /** This is a dummy undo record only to remember the cursor
1990 * that has just been set; this will be used on a redo action
1991 * (see ticket #10097)
1993 * FIXME: a better fix would be to have a way to set the
1994 * cursor value directly, but I am not sure it is worth it.
1997 curs.endUndoGroup();
1998 dr.screenUpdate(Update::Force);
1999 dr.forceBufferUpdate();
2001 if (iterations >= max_iter) {
2003 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2005 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2010 case LFUN_BRANCH_ADD_INSERT: {
2011 docstring branch_name = from_utf8(cmd.getArg(0));
2012 if (branch_name.empty())
2013 if (!Alert::askForText(branch_name, _("Branch name")) ||
2014 branch_name.empty())
2017 DispatchResult drtmp;
2018 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2019 if (drtmp.error()) {
2020 Alert::warning(_("Branch already exists"), drtmp.message());
2023 docstring const sep = buffer_.params().branchlist().separator();
2024 for (docstring const & branch : getVectorFromString(branch_name, sep))
2025 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2029 case LFUN_KEYMAP_OFF:
2030 getIntl().keyMapOn(false);
2033 case LFUN_KEYMAP_PRIMARY:
2034 getIntl().keyMapPrim();
2037 case LFUN_KEYMAP_SECONDARY:
2038 getIntl().keyMapSec();
2041 case LFUN_KEYMAP_TOGGLE:
2042 getIntl().toggleKeyMap();
2045 case LFUN_DIALOG_SHOW_NEW_INSET: {
2046 string const name = cmd.getArg(0);
2047 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2048 if (decodeInsetParam(name, data, buffer_))
2049 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2051 lyxerr << "Inset type '" << name <<
2052 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2056 case LFUN_CITATION_INSERT: {
2057 if (argument.empty()) {
2058 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2061 // we can have one optional argument, delimited by '|'
2062 // citation-insert <key>|<text_before>
2063 // this should be enhanced to also support text_after
2064 // and citation style
2065 string arg = argument;
2067 if (contains(argument, "|")) {
2068 arg = token(argument, '|', 0);
2069 opt1 = token(argument, '|', 1);
2072 // if our cursor is directly in front of or behind a citation inset,
2073 // we will instead add the new key to it.
2074 Inset * inset = cur.nextInset();
2075 if (!inset || inset->lyxCode() != CITE_CODE)
2076 inset = cur.prevInset();
2077 if (inset && inset->lyxCode() == CITE_CODE) {
2078 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2079 if (icite->addKey(arg)) {
2080 dr.forceBufferUpdate();
2081 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2083 LYXERR0("Discarding optional argument to citation-insert.");
2088 InsetCommandParams icp(CITE_CODE);
2089 icp["key"] = from_utf8(arg);
2091 icp["before"] = from_utf8(opt1);
2093 from_ascii(InsetCitation::last_literal ? "true" : "false");
2094 string icstr = InsetCommand::params2string(icp);
2095 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2100 case LFUN_INSET_APPLY: {
2101 string const name = cmd.getArg(0);
2102 Inset * inset = editedInset(name);
2104 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2108 // put cursor in front of inset.
2109 if (!setCursorFromInset(inset)) {
2110 LASSERT(false, break);
2113 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2114 inset->dispatch(cur, fr);
2115 dr.screenUpdate(cur.result().screenUpdate());
2116 if (cur.result().needBufferUpdate())
2117 dr.forceBufferUpdate();
2122 // The change of language of buffer belongs to the Buffer class.
2123 // We have to do it here because we need a cursor for Undo.
2124 // When Undo::recordUndoBufferParams() is implemented someday
2125 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2126 case LFUN_BUFFER_LANGUAGE: {
2127 Language const * oldL = buffer_.params().language;
2128 Language const * newL = languages.getLanguage(argument);
2129 if (!newL || oldL == newL)
2131 if (oldL->rightToLeft() == newL->rightToLeft()) {
2132 cur.recordUndoFullBuffer();
2133 buffer_.changeLanguage(oldL, newL);
2134 cur.setCurrentFont();
2135 dr.forceBufferUpdate();
2140 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2141 case LFUN_FILE_INSERT_PLAINTEXT: {
2142 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2143 string const fname = to_utf8(cmd.argument());
2144 if (!FileName::isAbsolute(fname))
2145 dr.setMessage(_("Absolute filename expected."));
2147 insertPlaintextFile(FileName(fname), as_paragraph);
2152 // OK, so try the Buffer itself...
2153 buffer_.dispatch(cmd, dr);
2154 dispatched = dr.dispatched();
2158 buffer_.undo().endUndoGroup();
2159 dr.dispatched(dispatched);
2161 // NOTE: The code below is copied from Cursor::dispatch. If you
2162 // need to modify this, please update the other one too.
2164 // notify insets we just entered/left
2165 if (cursor() != old) {
2166 old.beginUndoGroup();
2168 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2170 cursor().fixIfBroken();
2171 resetInlineCompletionPos();
2178 docstring const BufferView::requestSelection()
2180 Cursor & cur = d->cursor_;
2182 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2183 if (!cur.selection()) {
2184 d->xsel_cache_.set = false;
2188 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2189 if (!d->xsel_cache_.set ||
2190 cur.top() != d->xsel_cache_.cursor ||
2191 cur.realAnchor().top() != d->xsel_cache_.anchor)
2193 d->xsel_cache_.cursor = cur.top();
2194 d->xsel_cache_.anchor = cur.realAnchor().top();
2195 d->xsel_cache_.set = cur.selection();
2196 return cur.selectionAsString(false);
2202 void BufferView::clearSelection()
2204 d->cursor_.clearSelection();
2205 // Clear the selection buffer. Otherwise a subsequent
2206 // middle-mouse-button paste would use the selection buffer,
2207 // not the more current external selection.
2208 cap::clearSelection();
2209 d->xsel_cache_.set = false;
2210 // The buffer did not really change, but this causes the
2211 // redraw we need because we cleared the selection above.
2212 buffer_.changed(false);
2216 void BufferView::resize(int width, int height)
2218 // Update from work area
2222 // Clear the paragraph height cache.
2223 d->par_height_.clear();
2224 // Redo the metrics.
2229 Inset const * BufferView::getCoveringInset(Text const & text,
2232 TextMetrics & tm = d->text_metrics_[&text];
2233 Inset * inset = tm.checkInsetHit(x, y);
2237 if (!inset->descendable(*this))
2238 // No need to go further down if the inset is not
2242 size_t cell_number = inset->nargs();
2243 // Check all the inner cell.
2244 for (size_t i = 0; i != cell_number; ++i) {
2245 Text const * inner_text = inset->getText(i);
2248 Inset const * inset_deeper =
2249 getCoveringInset(*inner_text, x, y);
2251 return inset_deeper;
2259 void BufferView::updateHoveredInset() const
2261 // Get inset under mouse, if there is one.
2262 int const x = d->mouse_position_cache_.x_;
2263 int const y = d->mouse_position_cache_.y_;
2264 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2266 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2268 if (covering_inset == d->last_inset_)
2269 // Same inset, no need to do anything...
2272 bool need_redraw = false;
2273 if (d->last_inset_) {
2274 // Remove the hint on the last hovered inset (if any).
2275 need_redraw |= d->last_inset_->setMouseHover(this, false);
2279 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2281 // Only the insets that accept the hover state, do
2282 // clear the last_inset_, so only set the last_inset_
2283 // member if the hovered setting is accepted.
2284 d->last_inset_ = covering_inset;
2288 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2289 << d->mouse_position_cache_.x_ << ", "
2290 << d->mouse_position_cache_.y_ << ")");
2292 d->update_strategy_ = DecorationUpdate;
2294 // This event (moving without mouse click) is not passed further.
2295 // This should be changed if it is further utilized.
2296 buffer_.changed(false);
2301 void BufferView::clearLastInset(Inset * inset) const
2303 if (d->last_inset_ != inset) {
2304 LYXERR0("Wrong last_inset!");
2311 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2313 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2315 // This is only called for mouse related events including
2316 // LFUN_FILE_OPEN generated by drag-and-drop.
2317 FuncRequest cmd = cmd0;
2319 Cursor old = cursor();
2321 cur.push(buffer_.inset());
2322 cur.selection(d->cursor_.selection());
2324 // Either the inset under the cursor or the
2325 // surrounding Text will handle this event.
2327 // make sure we stay within the screen...
2328 cmd.set_y(min(max(cmd.y(), -1), height_));
2330 d->mouse_position_cache_.x_ = cmd.x();
2331 d->mouse_position_cache_.y_ = cmd.y();
2333 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2334 updateHoveredInset();
2338 // Build temporary cursor.
2339 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2341 // If inset is not editable, cur.pos() might point behind the
2342 // inset (depending on cmd.x(), cmd.y()). This is needed for
2343 // editing to fix bug 9628, but e.g. the context menu needs a
2344 // cursor in front of the inset.
2345 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2346 || inset->lyxCode() == SEPARATOR_CODE) &&
2347 cur.nextInset() != inset && cur.prevInset() == inset)
2349 } else if (cur.inTexted() && cur.pos()
2350 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2351 // Always place cursor in front of a separator inset.
2355 // Put anchor at the same position.
2358 cur.beginUndoGroup();
2360 // Try to dispatch to an non-editable inset near this position
2361 // via the temp cursor. If the inset wishes to change the real
2362 // cursor it has to do so explicitly by using
2363 // cur.bv().cursor() = cur; (or similar)
2365 inset->dispatch(cur, cmd);
2367 // Now dispatch to the temporary cursor. If the real cursor should
2368 // be modified, the inset's dispatch has to do so explicitly.
2369 if (!inset || !cur.result().dispatched())
2372 // Notify left insets
2374 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2375 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2377 cursor().fixIfBroken();
2382 // Do we have a selection?
2383 theSelection().haveSelection(cursor().selection());
2385 if (cur.needBufferUpdate()) {
2386 cur.clearBufferUpdate();
2387 buffer().updateBuffer();
2390 // If the command has been dispatched,
2391 if (cur.result().dispatched() || cur.result().screenUpdate())
2392 processUpdateFlags(cur.result().screenUpdate());
2396 int BufferView::minVisiblePart()
2398 return 2 * defaultRowHeight();
2402 int BufferView::scroll(int y)
2405 return scrollDown(y);
2407 return scrollUp(-y);
2412 int BufferView::scrollDown(int offset)
2414 Text * text = &buffer_.text();
2415 TextMetrics & tm = d->text_metrics_[text];
2416 int const ymax = height_ + offset;
2418 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2419 int bottom_pos = last.second->position() + last.second->descent();
2420 if (lyxrc.scroll_below_document)
2421 bottom_pos += height_ - minVisiblePart();
2422 if (last.first + 1 == int(text->paragraphs().size())) {
2423 if (bottom_pos <= height_)
2425 offset = min(offset, bottom_pos - height_);
2428 if (bottom_pos > ymax)
2430 tm.newParMetricsDown();
2432 d->anchor_ypos_ -= offset;
2437 int BufferView::scrollUp(int offset)
2439 Text * text = &buffer_.text();
2440 TextMetrics & tm = d->text_metrics_[text];
2441 int ymin = - offset;
2443 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2444 int top_pos = first.second->position() - first.second->ascent();
2445 if (first.first == 0) {
2448 offset = min(offset, - top_pos);
2453 tm.newParMetricsUp();
2455 d->anchor_ypos_ += offset;
2460 bool BufferView::setCursorFromRow(int row)
2462 TexRow::TextEntry start, end;
2463 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2464 LYXERR(Debug::LATEX,
2465 "setCursorFromRow: for row " << row << ", TexRow has found "
2466 "start (id=" << start.id << ",pos=" << start.pos << "), "
2467 "end (id=" << end.id << ",pos=" << end.pos << ")");
2468 return setCursorFromEntries(start, end);
2472 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2473 TexRow::TextEntry end)
2475 DocIterator dit_start, dit_end;
2476 tie(dit_start,dit_end) =
2477 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2480 // Setting selection start
2481 d->cursor_.clearSelection();
2482 setCursor(dit_start);
2483 // Setting selection end
2485 d->cursor_.resetAnchor();
2486 setCursorSelectionTo(dit_end);
2492 bool BufferView::setCursorFromInset(Inset const * inset)
2494 // are we already there?
2495 if (cursor().nextInset() == inset)
2498 // Inset is not at cursor position. Find it in the document.
2501 while (cur && cur.nextInset() != inset)
2512 void BufferView::gotoLabel(docstring const & label)
2515 bool have_inactive = false;
2516 for (Buffer const * buf : buffer().allRelatives()) {
2518 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2519 if (label == item.str() && item.isOutput()) {
2520 lyx::dispatch(item.action());
2523 // If we find an inactive label, save it for the case
2524 // that no active one is there
2525 if (label == item.str() && !have_inactive) {
2526 have_inactive = true;
2527 action = item.action();
2531 // We only found an inactive label. Go there.
2533 lyx::dispatch(action);
2537 TextMetrics const & BufferView::textMetrics(Text const * t) const
2539 return const_cast<BufferView *>(this)->textMetrics(t);
2543 TextMetrics & BufferView::textMetrics(Text const * t)
2546 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2547 if (tmc_it == d->text_metrics_.end()) {
2548 tmc_it = d->text_metrics_.insert(
2549 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
2551 return tmc_it->second;
2555 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2558 return textMetrics(t).parMetrics(pit);
2562 int BufferView::workHeight() const
2568 void BufferView::setCursor(DocIterator const & dit)
2571 size_t const n = dit.depth();
2572 for (size_t i = 0; i < n; ++i)
2573 dit[i].inset().edit(d->cursor_, true);
2575 d->cursor_.setCursor(dit);
2576 d->cursor_.selection(false);
2577 d->cursor_.setCurrentFont();
2579 // It seems on general grounds as if this is probably needed, but
2580 // it is not yet clear.
2581 // See bug #7394 and r38388.
2582 // d->cursor.resetAnchor();
2586 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2588 size_t const n = dit.depth();
2589 for (size_t i = 0; i < n; ++i)
2590 dit[i].inset().edit(d->cursor_, true);
2592 d->cursor_.selection(true);
2593 d->cursor_.setCursorSelectionTo(dit);
2594 d->cursor_.setCurrentFont();
2598 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2600 // Would be wrong to delete anything if we have a selection.
2601 if (cur.selection())
2604 bool need_anchor_change = false;
2605 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2606 need_anchor_change);
2608 if (need_anchor_change)
2616 // we would rather not do this here, but it needs to be done before
2617 // the changed() signal is sent.
2618 buffer_.updateBuffer();
2620 buffer_.changed(true);
2625 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2627 LASSERT(&cur.bv() == this, return false);
2630 // this event will clear selection so we save selection for
2631 // persistent selection
2632 cap::saveSelection(cursor());
2634 d->cursor_.macroModeClose();
2635 // If a macro has been finalized, the cursor might have been broken
2638 // Has the cursor just left the inset?
2639 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2641 d->cursor_.fixIfBroken();
2643 // do the dEPM magic if needed
2644 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2645 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2646 // the leftinset bool would not be necessary (badcursor instead).
2647 bool update = leftinset;
2650 d->cursor_.setSelection();
2651 d->cursor_.setCursorSelectionTo(cur);
2653 if (d->cursor_.inTexted())
2654 update |= checkDepm(cur, d->cursor_);
2655 d->cursor_.resetAnchor();
2656 d->cursor_.setCursor(cur);
2657 d->cursor_.clearSelection();
2659 d->cursor_.boundary(cur.boundary());
2660 d->cursor_.finishUndo();
2661 d->cursor_.setCurrentFont();
2663 cur.forceBufferUpdate();
2668 void BufferView::putSelectionAt(DocIterator const & cur,
2669 int length, bool backwards)
2671 d->cursor_.clearSelection();
2677 d->cursor_.pos() += length;
2678 d->cursor_.setSelection(d->cursor_, -length);
2680 d->cursor_.setSelection(d->cursor_, length);
2685 bool BufferView::selectIfEmpty(DocIterator & cur)
2687 if ((cur.inTexted() && !cur.paragraph().empty())
2688 || (cur.inMathed() && !cur.cell().empty()))
2691 pit_type const beg_pit = cur.pit();
2693 // The paragraph associated to this item isn't
2694 // the first one, so it can be selected
2697 // We have to resort to select the space between the
2698 // end of this item and the begin of the next one
2702 // If it is the only item in the document,
2703 // nothing can be selected
2706 pit_type const end_pit = cur.pit();
2707 pos_type const end_pos = cur.pos();
2708 d->cursor_.clearSelection();
2710 d->cursor_.setCursor(cur);
2711 d->cursor_.pit() = beg_pit;
2712 d->cursor_.pos() = 0;
2713 d->cursor_.selection(false);
2714 d->cursor_.resetAnchor();
2715 d->cursor_.pit() = end_pit;
2716 d->cursor_.pos() = end_pos;
2717 d->cursor_.setSelection();
2722 Cursor & BufferView::cursor()
2728 Cursor const & BufferView::cursor() const
2734 bool BufferView::singleParUpdate()
2736 Text & buftext = buffer_.text();
2737 pit_type const bottom_pit = d->cursor_.bottom().pit();
2738 TextMetrics & tm = textMetrics(&buftext);
2739 int old_height = tm.parMetrics(bottom_pit).height();
2741 // make sure inline completion pointer is ok
2742 if (d->inlineCompletionPos_.fixIfBroken())
2743 d->inlineCompletionPos_ = DocIterator();
2745 // In Single Paragraph mode, rebreak only
2746 // the (main text, not inset!) paragraph containing the cursor.
2747 // (if this paragraph contains insets etc., rebreaking will
2748 // recursively descend)
2749 tm.redoParagraph(bottom_pit);
2750 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2751 if (pm.height() != old_height)
2752 // Paragraph height has changed so we cannot proceed to
2753 // the singlePar optimisation.
2756 tm.updatePosCache(bottom_pit);
2758 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2759 << " y2: " << pm.position() + pm.descent()
2760 << " pit: " << bottom_pit
2761 << " singlepar: 1");
2766 void BufferView::updateMetrics()
2768 updateMetrics(d->update_flags_);
2769 d->update_strategy_ = FullScreenUpdate;
2773 void BufferView::updateMetrics(Update::flags & update_flags)
2775 if (height_ == 0 || width_ == 0)
2778 Text & buftext = buffer_.text();
2779 pit_type const npit = int(buftext.paragraphs().size());
2781 // Clear out the position cache in case of full screen redraw,
2782 d->coord_cache_.clear();
2784 // Clear out paragraph metrics to avoid having invalid metrics
2785 // in the cache from paragraphs not relayouted below
2786 // The complete text metrics will be redone.
2787 d->text_metrics_.clear();
2789 TextMetrics & tm = textMetrics(&buftext);
2791 // make sure inline completion pointer is ok
2792 if (d->inlineCompletionPos_.fixIfBroken())
2793 d->inlineCompletionPos_ = DocIterator();
2795 if (d->anchor_pit_ >= npit)
2796 // The anchor pit must have been deleted...
2797 d->anchor_pit_ = npit - 1;
2799 // Rebreak anchor paragraph.
2800 tm.redoParagraph(d->anchor_pit_);
2801 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2804 if (d->anchor_pit_ == 0) {
2805 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2807 // Complete buffer visible? Then it's easy.
2808 if (scrollRange == 0)
2809 d->anchor_ypos_ = anchor_pm.ascent();
2811 // avoid empty space above the first row
2812 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2815 anchor_pm.setPosition(d->anchor_ypos_);
2816 tm.updatePosCache(d->anchor_pit_);
2818 LYXERR(Debug::PAINTING, "metrics: "
2819 << " anchor pit = " << d->anchor_pit_
2820 << " anchor ypos = " << d->anchor_ypos_);
2822 // Redo paragraphs above anchor if necessary.
2823 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2824 // We are now just above the anchor paragraph.
2825 pit_type pit1 = d->anchor_pit_ - 1;
2826 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2827 tm.redoParagraph(pit1);
2828 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2830 // Save the paragraph position in the cache.
2832 tm.updatePosCache(pit1);
2836 // Redo paragraphs below the anchor if necessary.
2837 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2838 // We are now just below the anchor paragraph.
2839 pit_type pit2 = d->anchor_pit_ + 1;
2840 for (; pit2 < npit && y2 <= height_; ++pit2) {
2841 tm.redoParagraph(pit2);
2842 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2844 // Save the paragraph position in the cache.
2846 tm.updatePosCache(pit2);
2850 LYXERR(Debug::PAINTING, "Metrics: "
2851 << " anchor pit = " << d->anchor_pit_
2852 << " anchor ypos = " << d->anchor_ypos_
2855 << " pit1 = " << pit1
2856 << " pit2 = " << pit2);
2858 // metrics is done, full drawing is necessary now
2859 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2861 // Now update the positions of insets in the cache.
2864 if (lyxerr.debugging(Debug::WORKAREA)) {
2865 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2866 d->coord_cache_.dump();
2871 void BufferView::updatePosCache()
2873 // this is the "nodraw" drawing stage: only set the positions of the
2874 // insets in metrics cache.
2875 frontend::NullPainter np;
2880 void BufferView::insertLyXFile(FileName const & fname)
2882 LASSERT(d->cursor_.inTexted(), return);
2884 // Get absolute path of file and add ".lyx"
2885 // to the filename if necessary
2886 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2888 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2889 // emit message signal.
2890 message(bformat(_("Inserting document %1$s..."), disp_fn));
2893 Buffer buf(filename.absFileName(), false);
2894 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2895 ErrorList & el = buffer_.errorList("Parse");
2896 // Copy the inserted document error list into the current buffer one.
2897 el = buf.errorList("Parse");
2898 buffer_.undo().recordUndo(d->cursor_);
2899 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
2900 buf.params().documentClassPtr(), el);
2901 res = _("Document %1$s inserted.");
2903 res = _("Could not insert document %1$s");
2906 buffer_.changed(true);
2907 // emit message signal.
2908 message(bformat(res, disp_fn));
2912 Point BufferView::coordOffset(DocIterator const & dit) const
2918 // Addup contribution of nested insets, from inside to outside,
2919 // keeping the outer paragraph for a special handling below
2920 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2921 CursorSlice const & sl = dit[i];
2925 // get relative position inside sl.inset()
2926 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2928 // Make relative position inside of the edited inset relative to sl.inset()
2932 // In case of an RTL inset, the edited inset will be positioned to the left
2935 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2936 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2941 // remember width for the case that sl.inset() is positioned in an RTL inset
2942 lastw = sl.inset().dimension(*this).wid;
2944 //lyxerr << "Cursor::getPos, i: "
2945 // << i << " x: " << xx << " y: " << y << endl;
2948 // Add contribution of initial rows of outermost paragraph
2949 CursorSlice const & sl = dit[0];
2950 TextMetrics const & tm = textMetrics(sl.text());
2951 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2953 LBUFERR(!pm.rows().empty());
2954 y -= pm.rows()[0].ascent();
2956 // FIXME: document this mess
2958 if (sl.pos() > 0 && dit.depth() == 1) {
2960 if (pos && dit.boundary())
2962 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2963 rend = pm.pos2row(pos);
2965 rend = pm.pos2row(sl.pos());
2967 size_t rend = pm.pos2row(sl.pos());
2969 for (size_t rit = 0; rit != rend; ++rit)
2970 y += pm.rows()[rit].height();
2971 y += pm.rows()[rend].ascent();
2973 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
2975 // Make relative position from the nested inset now bufferview absolute.
2976 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
2979 // In the RTL case place the nested inset at the left of the cursor in
2980 // the outer paragraph
2981 bool boundary_1 = dit.boundary() && 1 == dit.depth();
2982 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
2990 Point BufferView::getPos(DocIterator const & dit) const
2992 if (!paragraphVisible(dit))
2993 return Point(-1, -1);
2995 CursorSlice const & bot = dit.bottom();
2996 TextMetrics const & tm = textMetrics(bot.text());
2998 // offset from outer paragraph
2999 Point p = coordOffset(dit);
3000 p.y_ += tm.parMetrics(bot.pit()).position();
3005 bool BufferView::paragraphVisible(DocIterator const & dit) const
3007 CursorSlice const & bot = dit.bottom();
3008 TextMetrics const & tm = textMetrics(bot.text());
3010 return tm.contains(bot.pit());
3014 void BufferView::setCaretAscentDescent(int asc, int des)
3016 d->caret_ascent_ = asc;
3017 d->caret_descent_ = des;
3021 void BufferView::caretPosAndHeight(Point & p, int & h) const
3024 Cursor const & cur = cursor();
3025 if (cur.inMathed()) {
3026 asc = d->caret_ascent_;
3027 des = d->caret_descent_;
3029 Font const font = cur.real_current_font;
3030 frontend::FontMetrics const & fm = theFontMetrics(font);
3031 asc = fm.maxAscent();
3032 des = fm.maxDescent();
3040 bool BufferView::cursorInView(Point const & p, int h) const
3042 Cursor const & cur = cursor();
3043 // does the cursor touch the screen ?
3044 if (p.y_ + h < 0 || p.y_ >= workHeight() || !paragraphVisible(cur))
3050 int BufferView::horizScrollOffset() const
3052 return d->horiz_scroll_offset_;
3056 int BufferView::horizScrollOffset(Text const * text,
3057 pit_type pit, pos_type pos) const
3059 // Is this a row that is currently scrolled?
3060 if (!d->current_row_slice_.empty()
3061 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3062 && pit == d->current_row_slice_.pit()
3063 && pos == d->current_row_slice_.pos())
3064 return d->horiz_scroll_offset_;
3069 bool BufferView::hadHorizScrollOffset(Text const * text,
3070 pit_type pit, pos_type pos) const
3072 return !d->last_row_slice_.empty()
3073 && &text->inset() == d->last_row_slice_.inset().asInsetText()
3074 && pit == d->last_row_slice_.pit()
3075 && pos == d->last_row_slice_.pos();
3079 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3081 // nothing to do if the cursor was already on this row
3082 if (d->current_row_slice_ == rowSlice) {
3083 d->last_row_slice_ = CursorSlice();
3087 // if the (previous) current row was scrolled, we have to
3088 // remember it in order to repaint it next time.
3089 if (d->horiz_scroll_offset_ != 0)
3090 d->last_row_slice_ = d->current_row_slice_;
3092 d->last_row_slice_ = CursorSlice();
3094 // Since we changed row, the scroll offset is not valid anymore
3095 d->horiz_scroll_offset_ = 0;
3096 d->current_row_slice_ = rowSlice;
3100 void BufferView::checkCursorScrollOffset()
3102 CursorSlice rowSlice = d->cursor_.bottom();
3103 TextMetrics const & tm = textMetrics(rowSlice.text());
3105 // Stop if metrics have not been computed yet, since it means
3106 // that there is nothing to do.
3107 if (!tm.contains(rowSlice.pit()))
3109 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3110 Row const & row = pm.getRow(rowSlice.pos(),
3111 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3112 rowSlice.pos() = row.pos();
3114 // Set the row on which the cursor lives.
3115 setCurrentRowSlice(rowSlice);
3117 // Current x position of the cursor in pixels
3118 int cur_x = getPos(d->cursor_).x_;
3120 // Horizontal scroll offset of the cursor row in pixels
3121 int offset = d->horiz_scroll_offset_;
3122 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3124 if (row.right_x() <= workWidth() - row.right_margin) {
3125 // Row is narrower than the work area, no offset needed.
3128 if (cur_x - offset < MARGIN) {
3129 // cursor would be too far right
3130 offset = cur_x - MARGIN;
3131 } else if (cur_x - offset > workWidth() - MARGIN) {
3132 // cursor would be too far left
3133 offset = cur_x - workWidth() + MARGIN;
3135 // Correct the offset to make sure that we do not scroll too much
3138 if (row.right_x() - offset < workWidth() - row.right_margin)
3139 offset = row.right_x() - workWidth() + row.right_margin;
3142 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3144 if (offset != d->horiz_scroll_offset_)
3145 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3146 << d->horiz_scroll_offset_ << " to " << offset);
3148 if (d->update_strategy_ == NoScreenUpdate
3149 && (offset != d->horiz_scroll_offset_
3150 || !d->last_row_slice_.empty())) {
3151 // FIXME: if one uses SingleParUpdate, then home/end
3152 // will not work on long rows. Why?
3153 d->update_strategy_ = FullScreenUpdate;
3156 d->horiz_scroll_offset_ = offset;
3160 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3162 if (height_ == 0 || width_ == 0)
3164 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3165 : "\t\t*** START DRAWING ***"));
3166 Text & text = buffer_.text();
3167 TextMetrics const & tm = d->text_metrics_[&text];
3168 int const y = tm.first().second->position();
3169 PainterInfo pi(this, pain);
3171 // Check whether the row where the cursor lives needs to be scrolled.
3172 // Update the drawing strategy if needed.
3173 checkCursorScrollOffset();
3175 switch (d->update_strategy_) {
3177 case NoScreenUpdate:
3178 // no screen painting is actually needed. In nodraw stage
3179 // however, the different coordinates of insets and paragraphs
3180 // needs to be updated.
3181 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3182 pi.full_repaint = false;
3183 if (pain.isNull()) {
3184 pi.full_repaint = true;
3187 pi.full_repaint = false;
3192 case SingleParUpdate:
3193 pi.full_repaint = false;
3194 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3195 // In general, only the current row of the outermost paragraph
3196 // will be redrawn. Particular cases where selection spans
3197 // multiple paragraph are correctly detected in TextMetrics.
3201 case DecorationUpdate:
3202 // FIXME: We should also distinguish DecorationUpdate to avoid text
3203 // drawing if possible. This is not possible to do easily right now
3204 // because of the single backing pixmap.
3206 case FullScreenUpdate:
3208 LYXERR(Debug::PAINTING,
3209 ((d->update_strategy_ == FullScreenUpdate)
3210 ? "Strategy: FullScreenUpdate"
3211 : "Strategy: DecorationUpdate"));
3213 // The whole screen, including insets, will be refreshed.
3214 pi.full_repaint = true;
3216 // Clear background.
3217 pain.fillRectangle(0, 0, width_, height_,
3218 pi.backgroundColor(&buffer_.inset()));
3223 // and possibly grey out below
3224 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3225 int const y2 = lastpm.second->position() + lastpm.second->descent();
3228 Color color = buffer().isInternal()
3229 ? Color_background : Color_bottomarea;
3230 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3234 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3235 : "\t\t *** END DRAWING ***"));
3237 // The scrollbar needs an update.
3240 // Normalize anchor for next time
3241 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3242 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3243 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3244 ParagraphMetrics const & pm = tm.parMetrics(pit);
3245 if (pm.position() + pm.descent() > 0) {
3246 if (d->anchor_pit_ != pit
3247 || d->anchor_ypos_ != pm.position())
3248 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3249 << " anchor ypos = " << d->anchor_ypos_);
3250 d->anchor_pit_ = pit;
3251 d->anchor_ypos_ = pm.position();
3255 if (!pain.isNull()) {
3256 // reset the update flags, everything has been done
3257 d->update_flags_ = Update::None;
3260 // If a caret has to be painted, mark its text row as dirty to
3261 //make sure that it will be repainted on next redraw.
3262 /* FIXME: investigate whether this can be avoided when the cursor did not
3266 Row const & caret_row = d->cursor_.textRow();
3267 caret_row.changed(true);
3272 void BufferView::message(docstring const & msg)
3275 d->gui_->message(msg);
3279 void BufferView::showDialog(string const & name)
3282 d->gui_->showDialog(name, string());
3286 void BufferView::showDialog(string const & name,
3287 string const & data, Inset * inset)
3290 d->gui_->showDialog(name, data, inset);
3294 void BufferView::updateDialog(string const & name, string const & data)
3297 d->gui_->updateDialog(name, data);
3301 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3307 // FIXME: Move this out of BufferView again
3308 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3310 if (!fname.isReadableFile()) {
3311 docstring const error = from_ascii(strerror(errno));
3312 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3313 docstring const text =
3314 bformat(_("Could not read the specified document\n"
3315 "%1$s\ndue to the error: %2$s"), file, error);
3316 Alert::error(_("Could not read file"), text);
3320 if (!fname.isReadableFile()) {
3321 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3322 docstring const text =
3323 bformat(_("%1$s\n is not readable."), file);
3324 Alert::error(_("Could not open file"), text);
3328 // FIXME UNICODE: We don't know the encoding of the file
3329 docstring file_content = fname.fileContents("UTF-8");
3330 if (file_content.empty()) {
3331 Alert::error(_("Reading not UTF-8 encoded file"),
3332 _("The file is not UTF-8 encoded.\n"
3333 "It will be read as local 8Bit-encoded.\n"
3334 "If this does not give the correct result\n"
3335 "then please change the encoding of the file\n"
3336 "to UTF-8 with a program other than LyX.\n"));
3337 file_content = fname.fileContents("local8bit");
3340 return normalize_c(file_content);
3344 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3346 docstring const tmpstr = contentsOfPlaintextFile(f);
3351 Cursor & cur = cursor();
3352 cap::replaceSelection(cur);
3353 buffer_.undo().recordUndo(cur);
3355 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3357 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3359 buffer_.changed(true);
3363 docstring const & BufferView::inlineCompletion() const
3365 return d->inlineCompletion_;
3369 size_t const & BufferView::inlineCompletionUniqueChars() const
3371 return d->inlineCompletionUniqueChars_;
3375 DocIterator const & BufferView::inlineCompletionPos() const
3377 return d->inlineCompletionPos_;
3381 void BufferView::resetInlineCompletionPos()
3383 d->inlineCompletionPos_ = DocIterator();
3387 bool samePar(DocIterator const & a, DocIterator const & b)
3389 if (a.empty() && b.empty())
3391 if (a.empty() || b.empty())
3393 if (a.depth() != b.depth())
3395 return &a.innerParagraph() == &b.innerParagraph();
3399 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3400 docstring const & completion, size_t uniqueChars)
3402 uniqueChars = min(completion.size(), uniqueChars);
3403 bool changed = d->inlineCompletion_ != completion
3404 || d->inlineCompletionUniqueChars_ != uniqueChars;
3405 bool singlePar = true;
3406 d->inlineCompletion_ = completion;
3407 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3409 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3412 DocIterator const & old = d->inlineCompletionPos_;
3414 //lyxerr << "inlineCompletionPos changed" << std::endl;
3415 // old or pos are in another paragraph?
3416 if ((!samePar(cur, pos) && !pos.empty())
3417 || (!samePar(cur, old) && !old.empty())) {
3419 //lyxerr << "different paragraph" << std::endl;
3421 d->inlineCompletionPos_ = pos;
3426 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3427 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3429 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3434 bool BufferView::clickableInset() const
3436 return d->clickable_inset_;