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)
244 xsel_cache_.set = false;
248 ScrollbarParameters scrollbarParameters_;
250 ScreenUpdateStrategy update_strategy_;
252 Update::flags update_flags_;
254 CoordCache coord_cache_;
256 typedef map<MathData const *, MathRow> MathRows;
259 /// Estimated average par height for scrollbar.
261 /// this is used to handle XSelection events in the right manner.
270 pit_type anchor_pit_;
274 vector<int> par_height_;
277 DocIterator inlineCompletionPos_;
279 docstring inlineCompletion_;
281 size_t inlineCompletionUniqueChars_;
283 /// keyboard mapping object.
286 /// last visited inset.
287 /** kept to send setMouseHover(false).
288 * Not owned, so don't delete.
290 Inset const * last_inset_;
291 /// are we hovering something that we can click
292 bool clickable_inset_;
294 /// position of the mouse at the time of the last mouse move
295 /// This is used to update the hovering status of inset in
296 /// cases where the buffer is scrolled, but the mouse didn't move.
297 Point mouse_position_cache_;
299 // cache for id of the paragraph which was edited the last time
300 int bookmark_edit_position_;
302 mutable TextMetricsCache text_metrics_;
305 /** Not owned, so don't delete.
307 frontend::GuiBufferViewDelegate * gui_;
309 /// Cache for Find Next
310 FuncRequest search_request_cache_;
313 map<string, Inset *> edited_insets_;
315 /// When the row where the cursor lies is scrolled, this
316 /// contains the scroll offset
317 int horiz_scroll_offset_;
318 /// a slice pointing to the start of the row where the cursor
319 /// is (at last draw time)
320 CursorSlice current_row_slice_;
324 BufferView::BufferView(Buffer & buf)
325 : width_(0), height_(0), full_screen_(false), buffer_(buf),
326 d(new Private(*this))
328 d->xsel_cache_.set = false;
329 d->intl_.initKeyMapper(lyxrc.use_kbmap);
331 d->cursor_.setBuffer(&buf);
332 d->cursor_.push(buffer_.inset());
333 d->cursor_.resetAnchor();
334 d->cursor_.setCurrentFont();
336 buffer_.updatePreviews();
340 BufferView::~BufferView()
342 // current buffer is going to be switched-off, save cursor pos
343 // Ideally, the whole cursor stack should be saved, but session
344 // currently can only handle bottom (whole document) level pit and pos.
345 // That is to say, if a cursor is in a nested inset, it will be
346 // restore to the left of the top level inset.
347 LastFilePosSection::FilePos fp;
348 fp.file = buffer_.fileName();
349 fp.pit = d->cursor_.bottom().pit();
350 fp.pos = d->cursor_.bottom().pos();
351 theSession().lastFilePos().save(fp);
354 d->last_inset_->setMouseHover(this, false);
360 int BufferView::rightMargin() const
362 // The value used to be hardcoded to 10
363 int const default_margin = zoomedPixels(10);
364 // The additional test for the case the outliner is opened.
365 if (!full_screen_ || !lyxrc.full_screen_limit
366 || width_ < lyxrc.full_screen_width + 2 * default_margin)
367 return default_margin;
369 return (width_ - lyxrc.full_screen_width) / 2;
373 int BufferView::leftMargin() const
375 return rightMargin();
379 int BufferView::inPixels(Length const & len) const
381 Font const font = buffer().params().getFont();
382 return len.inPixels(workWidth(), theFontMetrics(font).em());
386 int BufferView::zoomedPixels(int pix) const
388 // FIXME: the dpi setting should really depend on the BufferView
389 // (think different monitors).
391 // Zoom factor specified by user in percent
392 double const zoom = lyxrc.currentZoom / 100.0; // [percent]
394 // DPI setting for monitor relative to 100dpi
395 double const dpizoom = lyxrc.dpi / 100.0; // [per 100dpi]
397 return support::iround(pix * zoom * dpizoom);
401 bool BufferView::isTopScreen() const
403 return 0 == d->scrollbarParameters_.min;
407 bool BufferView::isBottomScreen() const
409 return 0 == d->scrollbarParameters_.max;
413 Intl & BufferView::getIntl()
419 Intl const & BufferView::getIntl() const
425 CoordCache & BufferView::coordCache()
427 return d->coord_cache_;
431 CoordCache const & BufferView::coordCache() const
433 return d->coord_cache_;
437 MathRow const & BufferView::mathRow(MathData const * cell) const
439 auto it = d->math_rows_.find(cell);
440 LATTEST(it != d->math_rows_.end());
445 void BufferView::setMathRow(MathData const * cell, MathRow const & mrow)
447 d->math_rows_[cell] = mrow;
451 Buffer & BufferView::buffer()
457 Buffer const & BufferView::buffer() const
463 bool BufferView::needsFitCursor() const
465 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
466 frontend::FontMetrics const & fm =
467 theFontMetrics(d->cursor_.getFont().fontInfo());
468 int const asc = fm.maxAscent();
469 int const des = fm.maxDescent();
470 Point const p = getPos(d->cursor_);
471 if (p.y_ - asc >= 0 && p.y_ + des < height_)
480 // this is for debugging only.
481 string flagsAsString(Update::flags flags)
483 if (flags == Update::None)
485 return string((flags & Update::FitCursor) ? "FitCursor " : "")
486 + ((flags & Update::Force) ? "Force " : "")
487 + ((flags & Update::ForceDraw) ? "ForceDraw " : "")
488 + ((flags & Update::SinglePar) ? "SinglePar " : "")
489 + ((flags & Update::Decoration) ? "Decoration " : "");
494 void BufferView::processUpdateFlags(Update::flags flags)
496 LYXERR(Debug::PAINTING, "BufferView::processUpdateFlags( "
497 << flagsAsString(flags) << ") buffer: " << &buffer_);
499 // Case when no explicit update is requested.
500 if (flags == Update::None)
503 /* FIXME We would like to avoid doing this here, since it is very
504 * expensive and is called in updateBuffer already. However, even
505 * inserting a plain character can invalidate the overly fragile
506 * tables of child documents built by updateMacros. Some work is
507 * needed to avoid doing that when not necessary.
509 buffer_.updateMacros();
511 // First check whether the metrics and inset positions should be updated
512 if (flags & Update::Force) {
513 // This will update the CoordCache items and replace Force
514 // with ForceDraw in flags.
515 updateMetrics(flags);
518 // Detect whether we can only repaint a single paragraph (if we
519 // are not already redrawing all).
520 // We handle this before FitCursor because the later will require
521 // correct metrics at cursor position.
522 if (!(flags & Update::ForceDraw)
523 && (flags & Update::SinglePar)
524 && !singleParUpdate())
525 updateMetrics(flags);
527 // Then make sure that the screen contains the cursor if needed
528 if (flags & Update::FitCursor) {
529 if (needsFitCursor()) {
530 scrollToCursor(d->cursor_, false);
531 // Metrics have to be recomputed (maybe again)
532 updateMetrics(flags);
534 flags = flags & ~Update::FitCursor;
537 // Add flags to the the update flags. These will be reset to None
538 // after the redraw is actually done
539 d->update_flags_ = d->update_flags_ | flags;
540 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
542 // Now compute the update strategy
543 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
544 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
545 | Update::Decoration | Update::ForceDraw)) == 0);
547 if (d->update_flags_ & Update::ForceDraw)
548 d->update_strategy_ = FullScreenUpdate;
549 else if (d->update_flags_ & Update::Decoration)
550 d->update_strategy_ = DecorationUpdate;
551 else if (d->update_flags_ & Update::SinglePar)
552 d->update_strategy_ = SingleParUpdate;
554 // no need to redraw anything.
555 d->update_strategy_ = NoScreenUpdate;
558 updateHoveredInset();
561 buffer_.changed(false);
565 void BufferView::updateScrollbar()
567 if (height_ == 0 && width_ == 0)
570 // We prefer fixed size line scrolling.
571 d->scrollbarParameters_.single_step = defaultRowHeight();
572 // We prefer full screen page scrolling.
573 d->scrollbarParameters_.page_step = height_;
575 Text & t = buffer_.text();
576 TextMetrics & tm = d->text_metrics_[&t];
578 LYXERR(Debug::GUI, " Updating scrollbar: height: "
579 << t.paragraphs().size()
580 << " curr par: " << d->cursor_.bottom().pit()
581 << " default height " << defaultRowHeight());
583 size_t const parsize = t.paragraphs().size();
584 if (d->par_height_.size() != parsize) {
585 d->par_height_.clear();
586 // FIXME: We assume a default paragraph height of 2 rows. This
587 // should probably be pondered with the screen width.
588 d->par_height_.resize(parsize, defaultRowHeight() * 2);
591 // Look at paragraph heights on-screen
592 pair<pit_type, ParagraphMetrics const *> first = tm.first();
593 pair<pit_type, ParagraphMetrics const *> last = tm.last();
594 for (pit_type pit = first.first; pit <= last.first; ++pit) {
595 d->par_height_[pit] = tm.parMetrics(pit).height();
596 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
597 << d->par_height_[pit]);
600 int top_pos = first.second->position() - first.second->ascent();
601 int bottom_pos = last.second->position() + last.second->descent();
602 bool first_visible = first.first == 0 && top_pos >= 0;
603 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
604 if (first_visible && last_visible) {
605 d->scrollbarParameters_.min = 0;
606 d->scrollbarParameters_.max = 0;
610 d->scrollbarParameters_.min = top_pos;
611 for (size_t i = 0; i != size_t(first.first); ++i)
612 d->scrollbarParameters_.min -= d->par_height_[i];
613 d->scrollbarParameters_.max = bottom_pos;
614 for (size_t i = last.first + 1; i != parsize; ++i)
615 d->scrollbarParameters_.max += d->par_height_[i];
617 // The reference is the top position so we remove one page.
618 if (lyxrc.scroll_below_document)
619 d->scrollbarParameters_.max -= minVisiblePart();
621 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
623 // 0 must be inside the range as it denotes the current position
624 if (d->scrollbarParameters_.max < 0)
625 d->scrollbarParameters_.max = 0;
626 if (d->scrollbarParameters_.min > 0)
627 d->scrollbarParameters_.min = 0;
631 ScrollbarParameters const & BufferView::scrollbarParameters() const
633 return d->scrollbarParameters_;
637 docstring BufferView::toolTip(int x, int y) const
639 // Get inset under mouse, if there is one.
640 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
642 // No inset, no tooltip...
644 return covering_inset->toolTip(*this, x, y);
648 string BufferView::contextMenu(int x, int y) const
650 //If there is a selection, return the containing inset menu
651 if (d->cursor_.selection())
652 return d->cursor_.inset().contextMenu(*this, x, y);
654 // Get inset under mouse, if there is one.
655 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
657 return covering_inset->contextMenu(*this, x, y);
659 return buffer_.inset().contextMenu(*this, x, y);
664 void BufferView::scrollDocView(int const value, bool update)
666 // The scrollbar values are relative to the top of the screen, therefore the
667 // offset is equal to the target value.
669 // No scrolling at all? No need to redraw anything
673 // If the offset is less than 2 screen height, prefer to scroll instead.
674 if (abs(value) <= 2 * height_) {
675 d->anchor_ypos_ -= value;
676 processUpdateFlags(Update::Force);
680 // cut off at the top
681 if (value <= d->scrollbarParameters_.min) {
682 DocIterator dit = doc_iterator_begin(&buffer_);
683 showCursor(dit, false, update);
684 LYXERR(Debug::SCROLLING, "scroll to top");
688 // cut off at the bottom
689 if (value >= d->scrollbarParameters_.max) {
690 DocIterator dit = doc_iterator_end(&buffer_);
692 showCursor(dit, false, update);
693 LYXERR(Debug::SCROLLING, "scroll to bottom");
697 // find paragraph at target position
698 int par_pos = d->scrollbarParameters_.min;
700 for (; i != int(d->par_height_.size()); ++i) {
701 par_pos += d->par_height_[i];
702 if (par_pos >= value)
706 if (par_pos < value) {
707 // It seems we didn't find the correct pit so stay on the safe side and
709 LYXERR0("scrolling position not found!");
710 scrollDocView(d->scrollbarParameters_.max, update);
714 DocIterator dit = doc_iterator_begin(&buffer_);
716 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
717 showCursor(dit, false, update);
721 // FIXME: this method is not working well.
722 void BufferView::setCursorFromScrollbar()
724 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
726 int const height = 2 * defaultRowHeight();
727 int const first = height;
728 int const last = height_ - height;
730 Cursor const & oldcur = d->cursor_;
732 switch (cursorStatus(oldcur)) {
740 int const y = getPos(oldcur).y_;
741 newy = min(last, max(y, first));
745 // We reset the cursor because cursorStatus() does not
746 // work when the cursor is within mathed.
749 tm.setCursorFromCoordinates(cur, 0, newy);
751 // update the bufferview cursor and notify insets
752 // FIXME: Care about the d->cursor_ flags to redraw if needed
753 Cursor old = d->cursor_;
755 // the DEPM call in mouseSetCursor() might have destroyed the
756 // paragraph the cursor is in.
757 bool badcursor = old.fixIfBroken();
758 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
760 d->cursor_.fixIfBroken();
764 Change const BufferView::getCurrentChange() const
766 if (!d->cursor_.selection())
767 return Change(Change::UNCHANGED);
769 DocIterator dit = d->cursor_.selectionBegin();
770 // The selected content might have been changed (see #7685)
771 dit = dit.getInnerText();
772 return dit.paragraph().lookupChange(dit.pos());
776 // this could be used elsewhere as well?
777 // FIXME: This does not work within mathed!
778 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
780 Point const p = getPos(dit);
783 if (p.y_ > workHeight())
789 void BufferView::bookmarkEditPosition()
791 // Don't eat cpu time for each keystroke
792 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
795 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
799 void BufferView::saveBookmark(unsigned int idx)
801 // tentatively save bookmark, id and pos will be used to
802 // acturately locate a bookmark in a 'live' lyx session.
803 // pit and pos will be updated with bottom level pit/pos
805 if (!buffer_.isInternal()) {
806 theSession().bookmarks().save(
808 d->cursor_.bottom().pit(),
809 d->cursor_.bottom().pos(),
810 d->cursor_.paragraph().id(),
815 // emit message signal.
816 message(_("Save bookmark"));
821 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
822 int top_id, pos_type top_pos)
824 bool success = false;
827 d->cursor_.clearSelection();
829 // if a valid par_id is given, try it first
830 // This is the case for a 'live' bookmark when unique paragraph ID
831 // is used to track bookmarks.
833 dit = buffer_.getParFromID(top_id);
835 dit.pos() = min(dit.paragraph().size(), top_pos);
836 // Some slices of the iterator may not be
837 // reachable (e.g. closed collapsible inset)
838 // so the dociterator may need to be
839 // shortened. Otherwise, setCursor may crash
840 // lyx when the cursor can not be set to these
842 size_t const n = dit.depth();
843 for (size_t i = 0; i < n; ++i)
844 if (!dit[i].inset().editable()) {
852 // if top_id == 0, or searching through top_id failed
853 // This is the case for a 'restored' bookmark when only bottom
854 // (document level) pit was saved. Because of this, bookmark
855 // restoration is inaccurate. If a bookmark was within an inset,
856 // it will be restored to the left of the outmost inset that contains
858 if (bottom_pit < int(buffer_.paragraphs().size())) {
859 dit = doc_iterator_begin(&buffer_);
861 dit.pit() = bottom_pit;
862 dit.pos() = min(bottom_pos, dit.paragraph().size());
867 // Note: only bottom (document) level pit is set.
869 // set the current font.
870 d->cursor_.setCurrentFont();
871 // Do not forget to reset the anchor (see #9912)
872 d->cursor_.resetAnchor();
873 processUpdateFlags(Update::Force | Update::FitCursor);
880 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
882 if (d->cursor_.real_current_font.isRightToLeft()) {
883 if (d->intl_.keymap == Intl::PRIMARY)
884 d->intl_.keyMapSec();
886 if (d->intl_.keymap == Intl::SECONDARY)
887 d->intl_.keyMapPrim();
890 d->intl_.getTransManager().translateAndInsert(c, t, cur);
894 int BufferView::workWidth() const
900 void BufferView::recenter()
902 showCursor(d->cursor_, true, true);
906 void BufferView::showCursor()
908 showCursor(d->cursor_, false, true);
912 void BufferView::showCursor(DocIterator const & dit,
913 bool recenter, bool update)
915 if (scrollToCursor(dit, recenter) && update)
916 processUpdateFlags(Update::Force);
920 void BufferView::scrollToCursor()
922 if (scrollToCursor(d->cursor_, false))
923 processUpdateFlags(Update::Force);
927 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
929 // We are not properly started yet, delay until resizing is
934 LYXERR(Debug::SCROLLING, "recentering!");
936 CursorSlice const & bot = dit.bottom();
937 TextMetrics & tm = d->text_metrics_[bot.text()];
939 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
940 int bot_pit = bot.pit();
941 if (bot_pit > max_pit) {
942 // FIXME: Why does this happen?
943 LYXERR0("bottom pit is greater that max pit: "
944 << bot_pit << " > " << max_pit);
948 if (bot_pit == tm.first().first - 1)
949 tm.newParMetricsUp();
950 else if (bot_pit == tm.last().first + 1)
951 tm.newParMetricsDown();
953 if (tm.contains(bot_pit)) {
954 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
955 LBUFERR(!pm.rows().empty());
956 // FIXME: smooth scrolling doesn't work in mathed.
957 CursorSlice const & cs = dit.innerTextSlice();
958 int offset = coordOffset(dit).y_;
959 int ypos = pm.position() + offset;
960 Dimension const & row_dim =
961 pm.getRow(cs.pos(), dit.boundary()).dim();
964 scrolled = scroll(ypos - height_/2);
966 // We try to visualize the whole row, if the row height is larger than
967 // the screen height, we scroll to a heuristic value of height_ / 4.
968 // FIXME: This heuristic value should be replaced by a recursive search
969 // for a row in the inset that can be visualized completely.
970 else if (row_dim.height() > height_) {
971 if (ypos < defaultRowHeight())
972 scrolled = scroll(ypos - height_ / 4);
973 else if (ypos > height_ - defaultRowHeight())
974 scrolled = scroll(ypos - 3 * height_ / 4);
977 // If the top part of the row falls of the screen, we scroll
978 // up to align the top of the row with the top of the screen.
979 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
980 int ynew = row_dim.ascent();
981 scrolled = scrollUp(ynew - ypos);
984 // If the bottom of the row falls of the screen, we scroll down.
985 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
986 int ynew = height_ - row_dim.descent();
987 scrolled = scrollDown(ypos - ynew);
990 // else, nothing to do, the cursor is already visible so we just return.
991 return scrolled != 0;
994 // fix inline completion position
995 if (d->inlineCompletionPos_.fixIfBroken())
996 d->inlineCompletionPos_ = DocIterator();
998 tm.redoParagraph(bot_pit);
999 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
1000 int offset = coordOffset(dit).y_;
1002 d->anchor_pit_ = bot_pit;
1003 CursorSlice const & cs = dit.innerTextSlice();
1004 Dimension const & row_dim =
1005 pm.getRow(cs.pos(), dit.boundary()).dim();
1008 d->anchor_ypos_ = height_/2;
1009 else if (d->anchor_pit_ == 0)
1010 d->anchor_ypos_ = offset + pm.ascent();
1011 else if (d->anchor_pit_ == max_pit)
1012 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1013 else if (offset > height_)
1014 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1016 d->anchor_ypos_ = defaultRowHeight() * 2;
1022 void BufferView::makeDocumentClass()
1024 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1025 buffer_.params().makeDocumentClass();
1026 updateDocumentClass(olddc);
1030 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1032 message(_("Converting document to new document class..."));
1034 StableDocIterator backcur(d->cursor_);
1035 ErrorList & el = buffer_.errorList("Class Switch");
1036 cap::switchBetweenClasses(
1037 olddc, buffer_.params().documentClassPtr(),
1038 static_cast<InsetText &>(buffer_.inset()), el);
1040 setCursor(backcur.asDocIterator(&buffer_));
1042 buffer_.errors("Class Switch");
1046 /** Return the change status at cursor position, taking into account the
1047 * status at each level of the document iterator (a table in a deleted
1048 * footnote is deleted).
1049 * When \param outer is true, the top slice is not looked at.
1051 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1053 size_t const depth = dit.depth() - (outer ? 1 : 0);
1055 for (size_t i = 0 ; i < depth ; ++i) {
1056 CursorSlice const & slice = dit[i];
1057 if (!slice.inset().inMathed()
1058 && slice.pos() < slice.paragraph().size()) {
1059 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1060 if (ch != Change::UNCHANGED)
1064 return Change::UNCHANGED;
1068 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1070 FuncCode const act = cmd.action();
1072 // Can we use a readonly buffer?
1073 if (buffer_.isReadonly()
1074 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1075 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1076 if (buffer_.hasReadonlyFlag())
1077 flag.message(from_utf8(N_("Document is read-only")));
1079 flag.message(from_utf8(N_("Document has been modified externally")));
1080 flag.setEnabled(false);
1084 // Are we in a DELETED change-tracking region?
1085 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1086 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1087 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1088 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1089 flag.setEnabled(false);
1093 Cursor & cur = d->cursor_;
1095 if (cur.getStatus(cmd, flag))
1100 // FIXME: This is a bit problematic because we don't check if this is
1101 // a document BufferView or not for these LFUNs. We probably have to
1102 // dispatch both to currentBufferView() and, if that fails,
1103 // to documentBufferView(); same as we do now for current Buffer and
1104 // document Buffer. Ideally those LFUN should go to Buffer as they
1105 // operate on the full Buffer and the cursor is only needed either for
1106 // an Undo record or to restore a cursor position. But we don't know
1107 // how to do that inside Buffer of course.
1108 case LFUN_BUFFER_PARAMS_APPLY:
1109 case LFUN_LAYOUT_MODULES_CLEAR:
1110 case LFUN_LAYOUT_MODULE_ADD:
1111 case LFUN_LAYOUT_RELOAD:
1112 case LFUN_TEXTCLASS_APPLY:
1113 case LFUN_TEXTCLASS_LOAD:
1114 flag.setEnabled(!buffer_.isReadonly());
1118 // We do not use the LyXAction flag for readonly because Undo sets the
1119 // buffer clean/dirty status by itself.
1120 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1123 // We do not use the LyXAction flag for readonly because Redo sets the
1124 // buffer clean/dirty status by itself.
1125 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1127 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1128 case LFUN_FILE_INSERT_PLAINTEXT: {
1129 docstring const fname = cmd.argument();
1130 if (!FileName::isAbsolute(to_utf8(fname))) {
1131 flag.message(_("Absolute filename expected."));
1134 flag.setEnabled(cur.inTexted());
1137 case LFUN_FILE_INSERT:
1138 case LFUN_BOOKMARK_SAVE:
1139 // FIXME: Actually, these LFUNS should be moved to Text
1140 flag.setEnabled(cur.inTexted());
1143 case LFUN_FONT_STATE:
1144 case LFUN_LABEL_INSERT:
1145 case LFUN_INFO_INSERT:
1146 case LFUN_PARAGRAPH_GOTO:
1147 case LFUN_NOTE_NEXT:
1148 case LFUN_REFERENCE_NEXT:
1149 case LFUN_WORD_FIND:
1150 case LFUN_WORD_FIND_FORWARD:
1151 case LFUN_WORD_FIND_BACKWARD:
1152 case LFUN_WORD_REPLACE:
1155 case LFUN_MARK_TOGGLE:
1156 case LFUN_SCREEN_RECENTER:
1157 case LFUN_SCREEN_SHOW_CURSOR:
1158 case LFUN_BIBTEX_DATABASE_ADD:
1159 case LFUN_BIBTEX_DATABASE_DEL:
1160 case LFUN_STATISTICS:
1161 case LFUN_KEYMAP_OFF:
1162 case LFUN_KEYMAP_PRIMARY:
1163 case LFUN_KEYMAP_SECONDARY:
1164 case LFUN_KEYMAP_TOGGLE:
1165 case LFUN_INSET_SELECT_ALL:
1166 flag.setEnabled(true);
1169 case LFUN_GRAPHICS_UNIFY:
1170 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1173 case LFUN_WORD_FINDADV: {
1174 FindAndReplaceOptions opt;
1175 istringstream iss(to_utf8(cmd.argument()));
1177 flag.setEnabled(opt.repl_buf_name.empty()
1178 || !buffer_.isReadonly());
1182 case LFUN_LABEL_GOTO:
1183 flag.setEnabled(!cmd.argument().empty()
1184 || getInsetByCode<InsetRef>(cur, REF_CODE));
1187 case LFUN_CHANGES_MERGE:
1188 case LFUN_CHANGE_NEXT:
1189 case LFUN_CHANGE_PREVIOUS:
1190 case LFUN_ALL_CHANGES_ACCEPT:
1191 case LFUN_ALL_CHANGES_REJECT:
1192 flag.setEnabled(buffer_.areChangesPresent());
1195 case LFUN_SCREEN_UP:
1196 case LFUN_SCREEN_DOWN:
1198 case LFUN_SCREEN_UP_SELECT:
1199 case LFUN_SCREEN_DOWN_SELECT:
1200 case LFUN_INSET_FORALL:
1201 flag.setEnabled(true);
1204 case LFUN_LAYOUT_TABULAR:
1205 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1209 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1212 case LFUN_LAYOUT_PARAGRAPH:
1213 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1216 case LFUN_BRANCH_ADD_INSERT:
1217 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1220 case LFUN_DIALOG_SHOW_NEW_INSET:
1221 // FIXME: this is wrong, but I do not understand the
1223 if (cur.inset().lyxCode() == CAPTION_CODE)
1224 return cur.inset().getStatus(cur, cmd, flag);
1225 // FIXME we should consider passthru paragraphs too.
1226 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1229 case LFUN_CITATION_INSERT: {
1230 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1231 // FIXME: This could turn in a recursive hell.
1232 // Shouldn't we use Buffer::getStatus() instead?
1233 flag.setEnabled(lyx::getStatus(fr).enabled());
1236 case LFUN_INSET_APPLY: {
1237 string const name = cmd.getArg(0);
1238 Inset * inset = editedInset(name);
1240 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1241 if (!inset->getStatus(cur, fr, flag)) {
1242 // Every inset is supposed to handle this
1243 LASSERT(false, break);
1246 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1247 flag = lyx::getStatus(fr);
1260 Inset * BufferView::editedInset(string const & name) const
1262 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1263 return it == d->edited_insets_.end() ? 0 : it->second;
1267 void BufferView::editInset(string const & name, Inset * inset)
1270 d->edited_insets_[name] = inset;
1272 d->edited_insets_.erase(name);
1276 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1278 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1280 string const argument = to_utf8(cmd.argument());
1281 Cursor & cur = d->cursor_;
1284 // Don't dispatch function that does not apply to internal buffers.
1285 if (buffer_.isInternal()
1286 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1289 // We'll set this back to false if need be.
1290 bool dispatched = true;
1291 buffer_.undo().beginUndoGroup();
1293 FuncCode const act = cmd.action();
1296 case LFUN_BUFFER_PARAMS_APPLY: {
1297 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1298 cur.recordUndoBufferParams();
1299 istringstream ss(to_utf8(cmd.argument()));
1302 int const unknown_tokens = buffer_.readHeader(lex);
1303 if (unknown_tokens != 0) {
1304 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1305 << unknown_tokens << " unknown token"
1306 << (unknown_tokens == 1 ? "" : "s"));
1308 updateDocumentClass(olddc);
1310 // We are most certainly here because of a change in the document
1311 // It is then better to make sure that all dialogs are in sync with
1312 // current document settings.
1313 dr.screenUpdate(Update::Force | Update::FitCursor);
1314 dr.forceBufferUpdate();
1318 case LFUN_LAYOUT_MODULES_CLEAR: {
1319 // FIXME: this modifies the document in cap::switchBetweenClasses
1320 // without calling recordUndo. Fix this before using
1321 // recordUndoBufferParams().
1322 cur.recordUndoFullBuffer();
1323 buffer_.params().clearLayoutModules();
1324 makeDocumentClass();
1325 dr.screenUpdate(Update::Force);
1326 dr.forceBufferUpdate();
1330 case LFUN_LAYOUT_MODULE_ADD: {
1331 BufferParams const & params = buffer_.params();
1332 if (!params.layoutModuleCanBeAdded(argument)) {
1333 LYXERR0("Module `" << argument <<
1334 "' cannot be added due to failed requirements or "
1335 "conflicts with installed modules.");
1338 // FIXME: this modifies the document in cap::switchBetweenClasses
1339 // without calling recordUndo. Fix this before using
1340 // recordUndoBufferParams().
1341 cur.recordUndoFullBuffer();
1342 buffer_.params().addLayoutModule(argument);
1343 makeDocumentClass();
1344 dr.screenUpdate(Update::Force);
1345 dr.forceBufferUpdate();
1349 case LFUN_TEXTCLASS_APPLY: {
1350 // since this shortcircuits, the second call is made only if
1352 bool const success =
1353 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1354 LayoutFileList::get().load(argument, buffer_.filePath());
1356 docstring s = bformat(_("The document class `%1$s' "
1357 "could not be loaded."), from_utf8(argument));
1358 frontend::Alert::error(_("Could not load class"), s);
1362 LayoutFile const * old_layout = buffer_.params().baseClass();
1363 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1365 if (old_layout == new_layout)
1369 // Save the old, possibly modular, layout for use in conversion.
1370 // FIXME: this modifies the document in cap::switchBetweenClasses
1371 // without calling recordUndo. Fix this before using
1372 // recordUndoBufferParams().
1373 cur.recordUndoFullBuffer();
1374 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1375 makeDocumentClass();
1376 dr.screenUpdate(Update::Force);
1377 dr.forceBufferUpdate();
1381 case LFUN_TEXTCLASS_LOAD: {
1382 // since this shortcircuits, the second call is made only if
1384 bool const success =
1385 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1386 LayoutFileList::get().load(argument, buffer_.filePath());
1388 docstring s = bformat(_("The document class `%1$s' "
1389 "could not be loaded."), from_utf8(argument));
1390 frontend::Alert::error(_("Could not load class"), s);
1395 case LFUN_LAYOUT_RELOAD: {
1396 LayoutFileIndex bc = buffer_.params().baseClassID();
1397 LayoutFileList::get().reset(bc);
1398 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1399 makeDocumentClass();
1400 dr.screenUpdate(Update::Force);
1401 dr.forceBufferUpdate();
1406 dr.setMessage(_("Undo"));
1407 cur.clearSelection();
1408 // We need to find out if the bibliography information
1409 // has changed. See bug #11055.
1410 // So these should not be references...
1411 string const engine = buffer().params().citeEngine();
1412 CiteEngineType const enginetype = buffer().params().citeEngineType();
1413 if (!cur.undoAction())
1414 dr.setMessage(_("No further undo information"));
1416 dr.screenUpdate(Update::Force | Update::FitCursor);
1417 dr.forceBufferUpdate();
1418 if (buffer().params().citeEngine() != engine ||
1419 buffer().params().citeEngineType() != enginetype)
1420 buffer().invalidateCiteLabels();
1426 dr.setMessage(_("Redo"));
1427 cur.clearSelection();
1428 // We need to find out if the bibliography information
1429 // has changed. See bug #11055.
1430 // So these should not be references...
1431 string const engine = buffer().params().citeEngine();
1432 CiteEngineType const enginetype = buffer().params().citeEngineType();
1433 if (!cur.redoAction())
1434 dr.setMessage(_("No further redo information"));
1436 dr.screenUpdate(Update::Force | Update::FitCursor);
1437 dr.forceBufferUpdate();
1438 if (buffer().params().citeEngine() != engine ||
1439 buffer().params().citeEngineType() != enginetype)
1440 buffer().invalidateCiteLabels();
1445 case LFUN_FONT_STATE:
1446 dr.setMessage(cur.currentState(false));
1449 case LFUN_BOOKMARK_SAVE:
1450 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1453 case LFUN_LABEL_GOTO: {
1454 docstring label = cmd.argument();
1455 if (label.empty()) {
1457 getInsetByCode<InsetRef>(cur, REF_CODE);
1459 label = inset->getParam("reference");
1460 // persistent=false: use temp_bookmark
1464 if (!label.empty()) {
1466 // at the moment, this is redundant, since gotoLabel will
1467 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1469 dr.screenUpdate(Update::Force | Update::FitCursor);
1474 case LFUN_PARAGRAPH_GOTO: {
1475 int const id = convert<int>(cmd.getArg(0));
1476 pos_type const pos = convert<int>(cmd.getArg(1));
1479 string const str_id_end = cmd.getArg(2);
1480 string const str_pos_end = cmd.getArg(3);
1482 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1483 b = theBufferList().next(b)) {
1486 curs.setCursor(b->getParFromID(id));
1488 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1492 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1493 << " found in buffer `"
1494 << b->absFileName() << "'.");
1496 if (b == &buffer_) {
1498 if (str_id_end.empty() || str_pos_end.empty()) {
1501 mouseSetCursor(curs);
1504 int const id_end = convert<int>(str_id_end);
1505 pos_type const pos_end = convert<int>(str_pos_end);
1506 success = setCursorFromEntries({id, pos},
1510 dr.screenUpdate(Update::Force | Update::FitCursor);
1512 // Switch to other buffer view and resend cmd
1513 lyx::dispatch(FuncRequest(
1514 LFUN_BUFFER_SWITCH, b->absFileName()));
1522 case LFUN_NOTE_NEXT:
1523 gotoInset(this, NOTE_CODE, false);
1526 case LFUN_REFERENCE_NEXT: {
1527 vector<InsetCode> tmp;
1528 tmp.push_back(LABEL_CODE);
1529 tmp.push_back(REF_CODE);
1530 gotoInset(this, tmp, true);
1534 case LFUN_CHANGE_NEXT:
1535 findNextChange(this);
1536 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1537 dr.screenUpdate(Update::Force | Update::FitCursor);
1540 case LFUN_CHANGE_PREVIOUS:
1541 findPreviousChange(this);
1542 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1543 dr.screenUpdate(Update::Force | Update::FitCursor);
1546 case LFUN_CHANGES_MERGE:
1547 if (findNextChange(this) || findPreviousChange(this)) {
1548 dr.screenUpdate(Update::Force | Update::FitCursor);
1549 dr.forceBufferUpdate();
1550 showDialog("changes");
1554 case LFUN_ALL_CHANGES_ACCEPT: {
1555 // select complete document
1557 cur.selHandle(true);
1558 buffer_.text().cursorBottom(cur);
1559 // accept everything in a single step to support atomic undo
1560 // temporarily disable track changes in order to end with really
1561 // no new (e.g., DPSM-caused) changes (see #7487)
1562 bool const track = buffer_.params().track_changes;
1563 buffer_.params().track_changes = false;
1564 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1565 buffer_.params().track_changes = track;
1567 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1568 dr.screenUpdate(Update::Force | Update::FitCursor);
1569 dr.forceBufferUpdate();
1573 case LFUN_ALL_CHANGES_REJECT: {
1574 // select complete document
1576 cur.selHandle(true);
1577 buffer_.text().cursorBottom(cur);
1578 // reject everything in a single step to support atomic undo
1579 // temporarily disable track changes in order to end with really
1580 // no new (e.g., DPSM-caused) changes (see #7487)
1581 bool const track = buffer_.params().track_changes;
1582 buffer_.params().track_changes = false;
1583 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1584 buffer_.params().track_changes = track;
1586 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1587 dr.screenUpdate(Update::Force | Update::FitCursor);
1588 dr.forceBufferUpdate();
1592 case LFUN_WORD_FIND_FORWARD:
1593 case LFUN_WORD_FIND_BACKWARD: {
1595 // Would it maybe be better if this variable were view specific anyway?
1596 static docstring last_search;
1597 docstring searched_string;
1599 if (!cmd.argument().empty()) {
1600 last_search = cmd.argument();
1601 searched_string = cmd.argument();
1603 searched_string = last_search;
1606 if (searched_string.empty())
1609 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1610 docstring const data =
1611 find2string(searched_string, true, false, fw);
1612 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1614 dr.screenUpdate(Update::Force | Update::FitCursor);
1618 case LFUN_WORD_FIND: {
1619 FuncRequest req = cmd;
1620 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1621 req = d->search_request_cache_;
1622 if (req.argument().empty()) {
1623 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1626 if (lyxfind(this, req))
1627 dr.screenUpdate(Update::Force | Update::FitCursor);
1629 d->search_request_cache_ = req;
1633 case LFUN_WORD_REPLACE: {
1634 bool has_deleted = false;
1635 if (cur.selection()) {
1636 DocIterator beg = cur.selectionBegin();
1637 DocIterator end = cur.selectionEnd();
1638 if (beg.pit() == end.pit()) {
1639 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1640 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1647 if (lyxreplace(this, cmd, has_deleted)) {
1648 dr.forceBufferUpdate();
1649 dr.screenUpdate(Update::Force | Update::FitCursor);
1654 case LFUN_WORD_FINDADV: {
1655 FindAndReplaceOptions opt;
1656 istringstream iss(to_utf8(cmd.argument()));
1658 if (findAdv(this, opt)) {
1659 dr.screenUpdate(Update::Force | Update::FitCursor);
1670 cur.clearSelection();
1671 dr.setMessage(from_utf8(N_("Mark off")));
1675 cur.clearSelection();
1677 dr.setMessage(from_utf8(N_("Mark on")));
1680 case LFUN_MARK_TOGGLE:
1681 cur.selection(false);
1684 dr.setMessage(from_utf8(N_("Mark removed")));
1687 dr.setMessage(from_utf8(N_("Mark set")));
1692 case LFUN_SCREEN_SHOW_CURSOR:
1696 case LFUN_SCREEN_RECENTER:
1700 case LFUN_BIBTEX_DATABASE_ADD: {
1701 Cursor tmpcur = cur;
1702 findInset(tmpcur, BIBTEX_CODE, false);
1703 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1706 if (inset->addDatabase(cmd.argument()))
1707 dr.forceBufferUpdate();
1712 case LFUN_BIBTEX_DATABASE_DEL: {
1713 Cursor tmpcur = cur;
1714 findInset(tmpcur, BIBTEX_CODE, false);
1715 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1718 if (inset->delDatabase(cmd.argument()))
1719 dr.forceBufferUpdate();
1724 case LFUN_GRAPHICS_UNIFY: {
1726 cur.recordUndoFullBuffer();
1728 DocIterator from, to;
1729 from = cur.selectionBegin();
1730 to = cur.selectionEnd();
1732 string const newId = cmd.getArg(0);
1733 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1735 InsetGraphicsParams grp_par;
1737 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1739 if (!from.nextInset()) //move to closest inset
1740 from.forwardInset();
1742 while (!from.empty() && from < to) {
1743 Inset * inset = from.nextInset();
1746 InsetGraphics * ig = inset->asInsetGraphics();
1748 InsetGraphicsParams inspar = ig->getParams();
1753 grp_par.filename = inspar.filename;
1754 ig->setParams(grp_par);
1757 from.forwardInset();
1759 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1763 case LFUN_STATISTICS: {
1764 DocIterator from, to;
1765 if (cur.selection()) {
1766 from = cur.selectionBegin();
1767 to = cur.selectionEnd();
1769 from = doc_iterator_begin(&buffer_);
1770 to = doc_iterator_end(&buffer_);
1772 buffer_.updateStatistics(from, to);
1773 int const words = buffer_.wordCount();
1774 int const chars = buffer_.charCount(false);
1775 int const chars_blanks = buffer_.charCount(true);
1777 if (cur.selection())
1778 message = _("Statistics for the selection:");
1780 message = _("Statistics for the document:");
1783 message += bformat(_("%1$d words"), words);
1785 message += _("One word");
1787 if (chars_blanks != 1)
1788 message += bformat(_("%1$d characters (including blanks)"),
1791 message += _("One character (including blanks)");
1794 message += bformat(_("%1$d characters (excluding blanks)"),
1797 message += _("One character (excluding blanks)");
1799 Alert::information(_("Statistics"), message);
1803 case LFUN_SCREEN_UP:
1804 case LFUN_SCREEN_DOWN: {
1805 Point p = getPos(cur);
1806 // This code has been commented out to enable to scroll down a
1807 // document, even if there are large insets in it (see bug #5465).
1808 /*if (p.y_ < 0 || p.y_ > height_) {
1809 // The cursor is off-screen so recenter before proceeding.
1813 int const scrolled = scroll(act == LFUN_SCREEN_UP
1814 ? -height_ : height_);
1815 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1817 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1818 p = Point(width_, height_);
1819 bool const in_texted = cur.inTexted();
1820 cur.setCursor(doc_iterator_begin(cur.buffer()));
1821 cur.selHandle(false);
1822 // Force an immediate computation of metrics because we need it below
1823 processUpdateFlags(Update::Force);
1825 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1826 true, act == LFUN_SCREEN_UP);
1827 //FIXME: what to do with cur.x_target()?
1828 bool update = in_texted && cur.bv().checkDepm(cur, old);
1831 if (update || cur.mark())
1832 dr.screenUpdate(Update::Force | Update::FitCursor);
1834 dr.forceBufferUpdate();
1839 string const scroll_type = cmd.getArg(0);
1840 int scroll_step = 0;
1841 if (scroll_type == "line")
1842 scroll_step = d->scrollbarParameters_.single_step;
1843 else if (scroll_type == "page")
1844 scroll_step = d->scrollbarParameters_.page_step;
1847 string const scroll_quantity = cmd.getArg(1);
1848 if (scroll_quantity == "up")
1849 scrollUp(scroll_step);
1850 else if (scroll_quantity == "down")
1851 scrollDown(scroll_step);
1853 int const scroll_value = convert<int>(scroll_quantity);
1855 scroll(scroll_step * scroll_value);
1857 dr.screenUpdate(Update::ForceDraw);
1858 dr.forceBufferUpdate();
1862 case LFUN_SCREEN_UP_SELECT: {
1863 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1864 cur.selHandle(true);
1865 if (isTopScreen()) {
1866 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1870 int y = getPos(cur).y_;
1871 int const ymin = y - height_ + defaultRowHeight();
1872 while (y > ymin && cur.up())
1876 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1880 case LFUN_SCREEN_DOWN_SELECT: {
1881 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1882 cur.selHandle(true);
1883 if (isBottomScreen()) {
1884 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1888 int y = getPos(cur).y_;
1889 int const ymax = y + height_ - defaultRowHeight();
1890 while (y < ymax && cur.down())
1894 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1899 case LFUN_INSET_SELECT_ALL: {
1900 // true if all cells are selected
1901 bool const all_selected = cur.depth() > 1
1902 && cur.selBegin().at_begin()
1903 && cur.selEnd().at_end();
1904 // true if some cells are selected
1905 bool const cells_selected = cur.depth() > 1
1906 && cur.selBegin().at_cell_begin()
1907 && cur.selEnd().at_cell_end();
1908 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1909 // All the contents of the inset if selected, or only at
1910 // least one cell but inset is not a table.
1911 // Select the inset from outside.
1914 cur.selection(true);
1916 } else if (cells_selected) {
1917 // At least one complete cell is selected and inset is a table.
1923 cur.selection(true);
1924 cur.idx() = cur.lastidx();
1925 cur.pit() = cur.lastpit();
1926 cur.pos() = cur.lastpos();
1928 // select current cell
1932 cur.selection(true);
1933 cur.pit() = cur.lastpit();
1934 cur.pos() = cur.lastpos();
1936 cur.setCurrentFont();
1937 dr.screenUpdate(Update::Force);
1942 case LFUN_UNICODE_INSERT: {
1943 if (cmd.argument().empty())
1946 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1947 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1950 docstring const arg = from_utf8(cmd.getArg(i));
1954 LYXERR0("Not a hexstring: " << arg);
1958 char_type c = hexToInt(arg);
1959 if (c >= 32 && c < 0x10ffff) {
1960 LYXERR(Debug::KEY, "Inserting c: " << c);
1961 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1969 // This would be in Buffer class if only Cursor did not
1970 // require a bufferview
1971 case LFUN_INSET_FORALL: {
1972 docstring const name = from_utf8(cmd.getArg(0));
1973 string const commandstr = cmd.getLongArg(1);
1974 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1976 // an arbitrary number to limit number of iterations
1977 const int max_iter = 100000;
1979 Cursor & curs = d->cursor_;
1980 Cursor const savecur = curs;
1982 if (!curs.nextInset())
1983 curs.forwardInset();
1984 curs.beginUndoGroup();
1985 while(curs && iterations < max_iter) {
1986 Inset * const ins = curs.nextInset();
1989 docstring insname = ins->layoutName();
1990 while (!insname.empty()) {
1991 if (insname == name || name == from_utf8("*")) {
1993 lyx::dispatch(fr, dr);
1997 size_t const i = insname.rfind(':');
1998 if (i == string::npos)
2000 insname = insname.substr(0, i);
2002 // if we did not delete the inset, skip it
2003 if (!curs.nextInset() || curs.nextInset() == ins)
2004 curs.forwardInset();
2008 /** This is a dummy undo record only to remember the cursor
2009 * that has just been set; this will be used on a redo action
2010 * (see ticket #10097)
2012 * FIXME: a better fix would be to have a way to set the
2013 * cursor value directly, but I am not sure it is worth it.
2016 curs.endUndoGroup();
2017 dr.screenUpdate(Update::Force);
2018 dr.forceBufferUpdate();
2020 if (iterations >= max_iter) {
2022 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2024 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2029 case LFUN_BRANCH_ADD_INSERT: {
2030 docstring branch_name = from_utf8(cmd.getArg(0));
2031 if (branch_name.empty())
2032 if (!Alert::askForText(branch_name, _("Branch name")) ||
2033 branch_name.empty())
2036 DispatchResult drtmp;
2037 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2038 if (drtmp.error()) {
2039 Alert::warning(_("Branch already exists"), drtmp.message());
2042 docstring const sep = buffer_.params().branchlist().separator();
2043 for (docstring const & branch : getVectorFromString(branch_name, sep))
2044 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2048 case LFUN_KEYMAP_OFF:
2049 getIntl().keyMapOn(false);
2052 case LFUN_KEYMAP_PRIMARY:
2053 getIntl().keyMapPrim();
2056 case LFUN_KEYMAP_SECONDARY:
2057 getIntl().keyMapSec();
2060 case LFUN_KEYMAP_TOGGLE:
2061 getIntl().toggleKeyMap();
2064 case LFUN_DIALOG_SHOW_NEW_INSET: {
2065 string const name = cmd.getArg(0);
2066 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2067 if (decodeInsetParam(name, data, buffer_))
2068 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2070 lyxerr << "Inset type '" << name <<
2071 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2075 case LFUN_CITATION_INSERT: {
2076 if (argument.empty()) {
2077 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2080 // we can have one optional argument, delimited by '|'
2081 // citation-insert <key>|<text_before>
2082 // this should be enhanced to also support text_after
2083 // and citation style
2084 string arg = argument;
2086 if (contains(argument, "|")) {
2087 arg = token(argument, '|', 0);
2088 opt1 = token(argument, '|', 1);
2091 // if our cursor is directly in front of or behind a citation inset,
2092 // we will instead add the new key to it.
2093 Inset * inset = cur.nextInset();
2094 if (!inset || inset->lyxCode() != CITE_CODE)
2095 inset = cur.prevInset();
2096 if (inset && inset->lyxCode() == CITE_CODE) {
2097 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2098 if (icite->addKey(arg)) {
2099 dr.forceBufferUpdate();
2100 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2102 LYXERR0("Discarding optional argument to citation-insert.");
2107 InsetCommandParams icp(CITE_CODE);
2108 icp["key"] = from_utf8(arg);
2110 icp["before"] = from_utf8(opt1);
2112 from_ascii(InsetCitation::last_literal ? "true" : "false");
2113 string icstr = InsetCommand::params2string(icp);
2114 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2119 case LFUN_INSET_APPLY: {
2120 string const name = cmd.getArg(0);
2121 Inset * inset = editedInset(name);
2123 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2127 // put cursor in front of inset.
2128 if (!setCursorFromInset(inset)) {
2129 LASSERT(false, break);
2132 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2133 inset->dispatch(cur, fr);
2134 dr.screenUpdate(cur.result().screenUpdate());
2135 if (cur.result().needBufferUpdate())
2136 dr.forceBufferUpdate();
2141 // The change of language of buffer belongs to the Buffer class.
2142 // We have to do it here because we need a cursor for Undo.
2143 // When Undo::recordUndoBufferParams() is implemented someday
2144 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2145 case LFUN_BUFFER_LANGUAGE: {
2146 Language const * oldL = buffer_.params().language;
2147 Language const * newL = languages.getLanguage(argument);
2148 if (!newL || oldL == newL)
2150 if (oldL->rightToLeft() == newL->rightToLeft()) {
2151 cur.recordUndoFullBuffer();
2152 buffer_.changeLanguage(oldL, newL);
2153 cur.setCurrentFont();
2154 dr.forceBufferUpdate();
2159 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2160 case LFUN_FILE_INSERT_PLAINTEXT: {
2161 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2162 string const fname = to_utf8(cmd.argument());
2163 if (!FileName::isAbsolute(fname))
2164 dr.setMessage(_("Absolute filename expected."));
2166 insertPlaintextFile(FileName(fname), as_paragraph);
2171 // OK, so try the Buffer itself...
2172 buffer_.dispatch(cmd, dr);
2173 dispatched = dr.dispatched();
2177 buffer_.undo().endUndoGroup();
2178 dr.dispatched(dispatched);
2180 // NOTE: The code below is copied from Cursor::dispatch. If you
2181 // need to modify this, please update the other one too.
2183 // notify insets we just entered/left
2184 if (cursor() != old) {
2185 old.beginUndoGroup();
2187 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2189 cursor().fixIfBroken();
2190 resetInlineCompletionPos();
2197 docstring const BufferView::requestSelection()
2199 Cursor & cur = d->cursor_;
2201 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2202 if (!cur.selection()) {
2203 d->xsel_cache_.set = false;
2207 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2208 if (!d->xsel_cache_.set ||
2209 cur.top() != d->xsel_cache_.cursor ||
2210 cur.realAnchor().top() != d->xsel_cache_.anchor)
2212 d->xsel_cache_.cursor = cur.top();
2213 d->xsel_cache_.anchor = cur.realAnchor().top();
2214 d->xsel_cache_.set = cur.selection();
2215 return cur.selectionAsString(false);
2221 void BufferView::clearSelection()
2223 d->cursor_.clearSelection();
2224 // Clear the selection buffer. Otherwise a subsequent
2225 // middle-mouse-button paste would use the selection buffer,
2226 // not the more current external selection.
2227 cap::clearSelection();
2228 d->xsel_cache_.set = false;
2229 // The buffer did not really change, but this causes the
2230 // redraw we need because we cleared the selection above.
2231 buffer_.changed(false);
2235 void BufferView::resize(int width, int height)
2237 // Update from work area
2241 // Clear the paragraph height cache.
2242 d->par_height_.clear();
2243 // Redo the metrics.
2248 Inset const * BufferView::getCoveringInset(Text const & text,
2251 TextMetrics & tm = d->text_metrics_[&text];
2252 Inset * inset = tm.checkInsetHit(x, y);
2256 if (!inset->descendable(*this))
2257 // No need to go further down if the inset is not
2261 size_t cell_number = inset->nargs();
2262 // Check all the inner cell.
2263 for (size_t i = 0; i != cell_number; ++i) {
2264 Text const * inner_text = inset->getText(i);
2267 Inset const * inset_deeper =
2268 getCoveringInset(*inner_text, x, y);
2270 return inset_deeper;
2278 void BufferView::updateHoveredInset() const
2280 // Get inset under mouse, if there is one.
2281 int const x = d->mouse_position_cache_.x_;
2282 int const y = d->mouse_position_cache_.y_;
2283 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2285 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2287 if (covering_inset == d->last_inset_)
2288 // Same inset, no need to do anything...
2291 bool need_redraw = false;
2292 if (d->last_inset_) {
2293 // Remove the hint on the last hovered inset (if any).
2294 need_redraw |= d->last_inset_->setMouseHover(this, false);
2298 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2300 // Only the insets that accept the hover state, do
2301 // clear the last_inset_, so only set the last_inset_
2302 // member if the hovered setting is accepted.
2303 d->last_inset_ = covering_inset;
2307 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2308 << d->mouse_position_cache_.x_ << ", "
2309 << d->mouse_position_cache_.y_ << ")");
2311 d->update_strategy_ = DecorationUpdate;
2313 // This event (moving without mouse click) is not passed further.
2314 // This should be changed if it is further utilized.
2315 buffer_.changed(false);
2320 void BufferView::clearLastInset(Inset * inset) const
2322 if (d->last_inset_ != inset) {
2323 LYXERR0("Wrong last_inset!");
2330 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2332 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2334 // This is only called for mouse related events including
2335 // LFUN_FILE_OPEN generated by drag-and-drop.
2336 FuncRequest cmd = cmd0;
2338 Cursor old = cursor();
2340 cur.push(buffer_.inset());
2341 cur.selection(d->cursor_.selection());
2343 // Either the inset under the cursor or the
2344 // surrounding Text will handle this event.
2346 // make sure we stay within the screen...
2347 cmd.set_y(min(max(cmd.y(), -1), height_));
2349 d->mouse_position_cache_.x_ = cmd.x();
2350 d->mouse_position_cache_.y_ = cmd.y();
2352 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2353 updateHoveredInset();
2357 // Build temporary cursor.
2358 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2360 // If inset is not editable, cur.pos() might point behind the
2361 // inset (depending on cmd.x(), cmd.y()). This is needed for
2362 // editing to fix bug 9628, but e.g. the context menu needs a
2363 // cursor in front of the inset.
2364 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2365 || inset->lyxCode() == SEPARATOR_CODE) &&
2366 cur.nextInset() != inset && cur.prevInset() == inset)
2368 } else if (cur.inTexted() && cur.pos()
2369 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2370 // Always place cursor in front of a separator inset.
2374 // Put anchor at the same position.
2377 cur.beginUndoGroup();
2379 // Try to dispatch to an non-editable inset near this position
2380 // via the temp cursor. If the inset wishes to change the real
2381 // cursor it has to do so explicitly by using
2382 // cur.bv().cursor() = cur; (or similar)
2384 inset->dispatch(cur, cmd);
2386 // Now dispatch to the temporary cursor. If the real cursor should
2387 // be modified, the inset's dispatch has to do so explicitly.
2388 if (!inset || !cur.result().dispatched())
2391 // Notify left insets
2393 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2394 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2396 cursor().fixIfBroken();
2401 // Do we have a selection?
2402 theSelection().haveSelection(cursor().selection());
2404 if (cur.needBufferUpdate()) {
2405 cur.clearBufferUpdate();
2406 buffer().updateBuffer();
2409 // If the command has been dispatched,
2410 if (cur.result().dispatched() || cur.result().screenUpdate())
2411 processUpdateFlags(cur.result().screenUpdate());
2415 int BufferView::minVisiblePart()
2417 return 2 * defaultRowHeight();
2421 int BufferView::scroll(int y)
2424 return scrollDown(y);
2426 return scrollUp(-y);
2431 int BufferView::scrollDown(int offset)
2433 Text * text = &buffer_.text();
2434 TextMetrics & tm = d->text_metrics_[text];
2435 int const ymax = height_ + offset;
2437 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2438 int bottom_pos = last.second->position() + last.second->descent();
2439 if (lyxrc.scroll_below_document)
2440 bottom_pos += height_ - minVisiblePart();
2441 if (last.first + 1 == int(text->paragraphs().size())) {
2442 if (bottom_pos <= height_)
2444 offset = min(offset, bottom_pos - height_);
2447 if (bottom_pos > ymax)
2449 tm.newParMetricsDown();
2451 d->anchor_ypos_ -= offset;
2456 int BufferView::scrollUp(int offset)
2458 Text * text = &buffer_.text();
2459 TextMetrics & tm = d->text_metrics_[text];
2460 int ymin = - offset;
2462 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2463 int top_pos = first.second->position() - first.second->ascent();
2464 if (first.first == 0) {
2467 offset = min(offset, - top_pos);
2472 tm.newParMetricsUp();
2474 d->anchor_ypos_ += offset;
2479 bool BufferView::setCursorFromRow(int row)
2481 TexRow::TextEntry start, end;
2482 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2483 LYXERR(Debug::LATEX,
2484 "setCursorFromRow: for row " << row << ", TexRow has found "
2485 "start (id=" << start.id << ",pos=" << start.pos << "), "
2486 "end (id=" << end.id << ",pos=" << end.pos << ")");
2487 return setCursorFromEntries(start, end);
2491 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2492 TexRow::TextEntry end)
2494 DocIterator dit_start, dit_end;
2495 tie(dit_start,dit_end) =
2496 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2499 // Setting selection start
2500 d->cursor_.clearSelection();
2501 setCursor(dit_start);
2502 // Setting selection end
2504 d->cursor_.resetAnchor();
2505 setCursorSelectionTo(dit_end);
2511 bool BufferView::setCursorFromInset(Inset const * inset)
2513 // are we already there?
2514 if (cursor().nextInset() == inset)
2517 // Inset is not at cursor position. Find it in the document.
2520 while (cur && cur.nextInset() != inset)
2531 void BufferView::gotoLabel(docstring const & label)
2534 bool have_inactive = false;
2535 for (Buffer const * buf : buffer().allRelatives()) {
2537 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2538 if (label == item.str() && item.isOutput()) {
2539 lyx::dispatch(item.action());
2542 // If we find an inactive label, save it for the case
2543 // that no active one is there
2544 if (label == item.str() && !have_inactive) {
2545 have_inactive = true;
2546 action = item.action();
2550 // We only found an inactive label. Go there.
2552 lyx::dispatch(action);
2556 TextMetrics const & BufferView::textMetrics(Text const * t) const
2558 return const_cast<BufferView *>(this)->textMetrics(t);
2562 TextMetrics & BufferView::textMetrics(Text const * t)
2565 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2566 if (tmc_it == d->text_metrics_.end()) {
2567 tmc_it = d->text_metrics_.emplace(std::piecewise_construct,
2568 std::forward_as_tuple(t),
2569 std::forward_as_tuple(this, const_cast<Text *>(t))).first;
2571 return tmc_it->second;
2575 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2578 return textMetrics(t).parMetrics(pit);
2582 int BufferView::workHeight() const
2588 void BufferView::setCursor(DocIterator const & dit)
2591 size_t const n = dit.depth();
2592 for (size_t i = 0; i < n; ++i)
2593 dit[i].inset().edit(d->cursor_, true);
2595 d->cursor_.setCursor(dit);
2596 d->cursor_.selection(false);
2597 d->cursor_.setCurrentFont();
2599 // It seems on general grounds as if this is probably needed, but
2600 // it is not yet clear.
2601 // See bug #7394 and r38388.
2602 // d->cursor.resetAnchor();
2606 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2608 size_t const n = dit.depth();
2609 for (size_t i = 0; i < n; ++i)
2610 dit[i].inset().edit(d->cursor_, true);
2612 d->cursor_.selection(true);
2613 d->cursor_.setCursorSelectionTo(dit);
2614 d->cursor_.setCurrentFont();
2618 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2620 // Would be wrong to delete anything if we have a selection.
2621 if (cur.selection())
2624 bool need_anchor_change = false;
2625 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2626 need_anchor_change);
2628 if (need_anchor_change)
2636 // we would rather not do this here, but it needs to be done before
2637 // the changed() signal is sent.
2638 buffer_.updateBuffer();
2640 buffer_.changed(true);
2645 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2647 LASSERT(&cur.bv() == this, return false);
2650 // this event will clear selection so we save selection for
2651 // persistent selection
2652 cap::saveSelection(cursor());
2654 d->cursor_.macroModeClose();
2655 // If a macro has been finalized, the cursor might have been broken
2658 // Has the cursor just left the inset?
2659 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2661 d->cursor_.fixIfBroken();
2663 // do the dEPM magic if needed
2664 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2665 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2666 // the leftinset bool would not be necessary (badcursor instead).
2667 bool update = leftinset;
2670 d->cursor_.setSelection();
2671 d->cursor_.setCursorSelectionTo(cur);
2673 if (d->cursor_.inTexted())
2674 update |= checkDepm(cur, d->cursor_);
2675 d->cursor_.resetAnchor();
2676 d->cursor_.setCursor(cur);
2677 d->cursor_.clearSelection();
2679 d->cursor_.boundary(cur.boundary());
2680 d->cursor_.finishUndo();
2681 d->cursor_.setCurrentFont();
2683 cur.forceBufferUpdate();
2688 void BufferView::putSelectionAt(DocIterator const & cur,
2689 int length, bool backwards)
2691 d->cursor_.clearSelection();
2697 d->cursor_.pos() += length;
2698 d->cursor_.setSelection(d->cursor_, -length);
2700 d->cursor_.setSelection(d->cursor_, length);
2705 bool BufferView::selectIfEmpty(DocIterator & cur)
2707 if ((cur.inTexted() && !cur.paragraph().empty())
2708 || (cur.inMathed() && !cur.cell().empty()))
2711 pit_type const beg_pit = cur.pit();
2713 // The paragraph associated to this item isn't
2714 // the first one, so it can be selected
2717 // We have to resort to select the space between the
2718 // end of this item and the begin of the next one
2722 // If it is the only item in the document,
2723 // nothing can be selected
2726 pit_type const end_pit = cur.pit();
2727 pos_type const end_pos = cur.pos();
2728 d->cursor_.clearSelection();
2730 d->cursor_.setCursor(cur);
2731 d->cursor_.pit() = beg_pit;
2732 d->cursor_.pos() = 0;
2733 d->cursor_.selection(false);
2734 d->cursor_.resetAnchor();
2735 d->cursor_.pit() = end_pit;
2736 d->cursor_.pos() = end_pos;
2737 d->cursor_.setSelection();
2742 Cursor & BufferView::cursor()
2748 Cursor const & BufferView::cursor() const
2754 bool BufferView::singleParUpdate()
2756 Text & buftext = buffer_.text();
2757 pit_type const bottom_pit = d->cursor_.bottom().pit();
2758 TextMetrics & tm = textMetrics(&buftext);
2759 int old_height = tm.parMetrics(bottom_pit).height();
2761 // make sure inline completion pointer is ok
2762 if (d->inlineCompletionPos_.fixIfBroken())
2763 d->inlineCompletionPos_ = DocIterator();
2765 // In Single Paragraph mode, rebreak only
2766 // the (main text, not inset!) paragraph containing the cursor.
2767 // (if this paragraph contains insets etc., rebreaking will
2768 // recursively descend)
2769 tm.redoParagraph(bottom_pit);
2770 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2771 if (pm.height() != old_height)
2772 // Paragraph height has changed so we cannot proceed to
2773 // the singlePar optimisation.
2776 tm.updatePosCache(bottom_pit);
2778 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2779 << " y2: " << pm.position() + pm.descent()
2780 << " pit: " << bottom_pit
2781 << " singlepar: 1");
2786 void BufferView::updateMetrics()
2788 updateMetrics(d->update_flags_);
2789 d->update_strategy_ = FullScreenUpdate;
2793 void BufferView::updateMetrics(Update::flags & update_flags)
2795 if (height_ == 0 || width_ == 0)
2798 Text & buftext = buffer_.text();
2799 pit_type const npit = int(buftext.paragraphs().size());
2801 // Clear out the position cache in case of full screen redraw,
2802 d->coord_cache_.clear();
2803 d->math_rows_.clear();
2805 // Clear out paragraph metrics to avoid having invalid metrics
2806 // in the cache from paragraphs not relayouted below
2807 // The complete text metrics will be redone.
2808 d->text_metrics_.clear();
2810 TextMetrics & tm = textMetrics(&buftext);
2812 // make sure inline completion pointer is ok
2813 if (d->inlineCompletionPos_.fixIfBroken())
2814 d->inlineCompletionPos_ = DocIterator();
2816 if (d->anchor_pit_ >= npit)
2817 // The anchor pit must have been deleted...
2818 d->anchor_pit_ = npit - 1;
2820 // Rebreak anchor paragraph.
2821 tm.redoParagraph(d->anchor_pit_);
2822 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2825 if (d->anchor_pit_ == 0) {
2826 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2828 // Complete buffer visible? Then it's easy.
2829 if (scrollRange == 0)
2830 d->anchor_ypos_ = anchor_pm.ascent();
2832 // avoid empty space above the first row
2833 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2836 anchor_pm.setPosition(d->anchor_ypos_);
2837 tm.updatePosCache(d->anchor_pit_);
2839 LYXERR(Debug::PAINTING, "metrics: "
2840 << " anchor pit = " << d->anchor_pit_
2841 << " anchor ypos = " << d->anchor_ypos_);
2843 // Redo paragraphs above anchor if necessary.
2844 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2845 // We are now just above the anchor paragraph.
2846 pit_type pit1 = d->anchor_pit_ - 1;
2847 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2848 tm.redoParagraph(pit1);
2849 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2851 // Save the paragraph position in the cache.
2853 tm.updatePosCache(pit1);
2857 // Redo paragraphs below the anchor if necessary.
2858 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2859 // We are now just below the anchor paragraph.
2860 pit_type pit2 = d->anchor_pit_ + 1;
2861 for (; pit2 < npit && y2 <= height_; ++pit2) {
2862 tm.redoParagraph(pit2);
2863 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2865 // Save the paragraph position in the cache.
2867 tm.updatePosCache(pit2);
2871 LYXERR(Debug::PAINTING, "Metrics: "
2872 << " anchor pit = " << d->anchor_pit_
2873 << " anchor ypos = " << d->anchor_ypos_
2876 << " pit1 = " << pit1
2877 << " pit2 = " << pit2);
2879 // metrics is done, full drawing is necessary now
2880 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2882 // Now update the positions of insets in the cache.
2885 if (lyxerr.debugging(Debug::WORKAREA)) {
2886 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2887 d->coord_cache_.dump();
2892 void BufferView::updatePosCache()
2894 // this is the "nodraw" drawing stage: only set the positions of the
2895 // insets in metrics cache.
2896 frontend::NullPainter np;
2901 void BufferView::insertLyXFile(FileName const & fname, bool const ignorelang)
2903 LASSERT(d->cursor_.inTexted(), return);
2905 // Get absolute path of file and add ".lyx"
2906 // to the filename if necessary
2907 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2909 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2910 // emit message signal.
2911 message(bformat(_("Inserting document %1$s..."), disp_fn));
2914 Buffer buf(filename.absFileName(), false);
2915 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2916 ErrorList & el = buffer_.errorList("Parse");
2917 // Copy the inserted document error list into the current buffer one.
2918 el = buf.errorList("Parse");
2919 ParagraphList & pars = buf.paragraphs();
2921 // set main language of imported file to context language
2922 buf.changeLanguage(buf.language(), d->cursor_.getFont().language());
2923 buffer_.undo().recordUndo(d->cursor_);
2924 cap::pasteParagraphList(d->cursor_, pars,
2925 buf.params().documentClassPtr(), el);
2926 res = _("Document %1$s inserted.");
2928 res = _("Could not insert document %1$s");
2931 buffer_.changed(true);
2932 // emit message signal.
2933 message(bformat(res, disp_fn));
2937 Point BufferView::coordOffset(DocIterator const & dit) const
2943 // Addup contribution of nested insets, from inside to outside,
2944 // keeping the outer paragraph for a special handling below
2945 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2946 CursorSlice const & sl = dit[i];
2950 // get relative position inside sl.inset()
2951 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2953 // Make relative position inside of the edited inset relative to sl.inset()
2957 // In case of an RTL inset, the edited inset will be positioned to the left
2960 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2961 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2966 // remember width for the case that sl.inset() is positioned in an RTL inset
2967 lastw = sl.inset().dimension(*this).wid;
2969 //lyxerr << "Cursor::getPos, i: "
2970 // << i << " x: " << xx << " y: " << y << endl;
2973 // Add contribution of initial rows of outermost paragraph
2974 CursorSlice const & sl = dit[0];
2975 TextMetrics const & tm = textMetrics(sl.text());
2976 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2978 LBUFERR(!pm.rows().empty());
2979 y -= pm.rows()[0].ascent();
2981 // FIXME: document this mess
2983 if (sl.pos() > 0 && dit.depth() == 1) {
2985 if (pos && dit.boundary())
2987 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2988 rend = pm.pos2row(pos);
2990 rend = pm.pos2row(sl.pos());
2992 size_t rend = pm.pos2row(sl.pos());
2994 for (size_t rit = 0; rit != rend; ++rit)
2995 y += pm.rows()[rit].height();
2996 y += pm.rows()[rend].ascent();
2998 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
3000 // Make relative position from the nested inset now bufferview absolute.
3001 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
3004 // In the RTL case place the nested inset at the left of the cursor in
3005 // the outer paragraph
3006 bool boundary_1 = dit.boundary() && 1 == dit.depth();
3007 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
3015 Point BufferView::getPos(DocIterator const & dit) const
3017 if (!paragraphVisible(dit))
3018 return Point(-1, -1);
3020 CursorSlice const & bot = dit.bottom();
3021 TextMetrics const & tm = textMetrics(bot.text());
3023 // offset from outer paragraph
3024 Point p = coordOffset(dit);
3025 p.y_ += tm.parMetrics(bot.pit()).position();
3030 bool BufferView::paragraphVisible(DocIterator const & dit) const
3032 CursorSlice const & bot = dit.bottom();
3033 TextMetrics const & tm = textMetrics(bot.text());
3035 return tm.contains(bot.pit());
3039 void BufferView::caretPosAndHeight(Point & p, int & h) const
3042 Cursor const & cur = cursor();
3043 if (cur.inMathed()) {
3044 MathRow const & mrow = mathRow(&cur.cell());
3045 asc = mrow.caret_ascent;
3046 des = mrow.caret_descent;
3048 Font const font = cur.real_current_font;
3049 frontend::FontMetrics const & fm = theFontMetrics(font);
3050 asc = fm.maxAscent();
3051 des = fm.maxDescent();
3059 bool BufferView::caretInView() const
3061 if (!paragraphVisible(cursor()))
3065 caretPosAndHeight(p, h);
3067 // does the cursor touch the screen ?
3068 if (p.y_ + h < 0 || p.y_ >= workHeight())
3074 int BufferView::horizScrollOffset() const
3076 return d->horiz_scroll_offset_;
3080 int BufferView::horizScrollOffset(Text const * text,
3081 pit_type pit, pos_type pos) const
3083 // Is this a row that is currently scrolled?
3084 if (!d->current_row_slice_.empty()
3085 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3086 && pit == d->current_row_slice_.pit()
3087 && pos == d->current_row_slice_.pos())
3088 return d->horiz_scroll_offset_;
3093 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3095 // nothing to do if the cursor was already on this row
3096 if (d->current_row_slice_ == rowSlice)
3099 // if the (previous) current row was scrolled, we have to
3100 // remember it in order to repaint it next time.
3101 if (d->horiz_scroll_offset_ != 0) {
3102 // search the old row in cache and mark it changed
3103 for (auto & tm_pair : d->text_metrics_) {
3104 if (&tm_pair.first->inset() == rowSlice.inset().asInsetText()) {
3105 tm_pair.second.setRowChanged(rowSlice.pit(), rowSlice.pos());
3106 // We found it, no need to continue.
3112 // Since we changed row, the scroll offset is not valid anymore
3113 d->horiz_scroll_offset_ = 0;
3114 d->current_row_slice_ = rowSlice;
3118 void BufferView::checkCursorScrollOffset()
3120 CursorSlice rowSlice = d->cursor_.bottom();
3121 TextMetrics const & tm = textMetrics(rowSlice.text());
3123 // Stop if metrics have not been computed yet, since it means
3124 // that there is nothing to do.
3125 if (!tm.contains(rowSlice.pit()))
3127 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3128 Row const & row = pm.getRow(rowSlice.pos(),
3129 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3130 rowSlice.pos() = row.pos();
3132 // Set the row on which the cursor lives.
3133 setCurrentRowSlice(rowSlice);
3135 // Current x position of the cursor in pixels
3136 int cur_x = getPos(d->cursor_).x_;
3138 // Horizontal scroll offset of the cursor row in pixels
3139 int offset = d->horiz_scroll_offset_;
3140 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3142 if (row.right_x() <= workWidth() - row.right_margin) {
3143 // Row is narrower than the work area, no offset needed.
3146 if (cur_x - offset < MARGIN) {
3147 // cursor would be too far right
3148 offset = cur_x - MARGIN;
3149 } else if (cur_x - offset > workWidth() - MARGIN) {
3150 // cursor would be too far left
3151 offset = cur_x - workWidth() + MARGIN;
3153 // Correct the offset to make sure that we do not scroll too much
3156 if (row.right_x() - offset < workWidth() - row.right_margin)
3157 offset = row.right_x() - workWidth() + row.right_margin;
3160 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3162 if (offset != d->horiz_scroll_offset_)
3163 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3164 << d->horiz_scroll_offset_ << " to " << offset);
3166 if (d->update_strategy_ == NoScreenUpdate
3167 && offset != d->horiz_scroll_offset_) {
3168 // FIXME: if one uses SingleParUpdate, then home/end
3169 // will not work on long rows. Why?
3170 d->update_strategy_ = FullScreenUpdate;
3173 d->horiz_scroll_offset_ = offset;
3177 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3179 if (height_ == 0 || width_ == 0)
3181 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3182 : "\t\t*** START DRAWING ***"));
3183 Text & text = buffer_.text();
3184 TextMetrics const & tm = d->text_metrics_[&text];
3185 int const y = tm.first().second->position();
3186 PainterInfo pi(this, pain);
3188 // Check whether the row where the cursor lives needs to be scrolled.
3189 // Update the drawing strategy if needed.
3190 checkCursorScrollOffset();
3192 switch (d->update_strategy_) {
3194 case NoScreenUpdate:
3195 // no screen painting is actually needed. In nodraw stage
3196 // however, the different coordinates of insets and paragraphs
3197 // needs to be updated.
3198 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3199 if (pain.isNull()) {
3200 pi.full_repaint = true;
3203 pi.full_repaint = false;
3208 case SingleParUpdate:
3209 pi.full_repaint = false;
3210 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3211 // In general, only the current row of the outermost paragraph
3212 // will be redrawn. Particular cases where selection spans
3213 // multiple paragraph are correctly detected in TextMetrics.
3217 case DecorationUpdate:
3218 // FIXME: We should also distinguish DecorationUpdate to avoid text
3219 // drawing if possible. This is not possible to do easily right now
3220 // because of the single backing pixmap.
3222 case FullScreenUpdate:
3224 LYXERR(Debug::PAINTING,
3225 ((d->update_strategy_ == FullScreenUpdate)
3226 ? "Strategy: FullScreenUpdate"
3227 : "Strategy: DecorationUpdate"));
3229 // The whole screen, including insets, will be refreshed.
3230 pi.full_repaint = true;
3232 // Clear background.
3233 pain.fillRectangle(0, 0, width_, height_,
3234 pi.backgroundColor(&buffer_.inset()));
3239 // and possibly grey out below
3240 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3241 int const y2 = lastpm.second->position() + lastpm.second->descent();
3244 Color color = buffer().isInternal()
3245 ? Color_background : Color_bottomarea;
3246 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3250 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3251 : "\t\t *** END DRAWING ***"));
3253 // The scrollbar needs an update.
3256 // Normalize anchor for next time
3257 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3258 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3259 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3260 ParagraphMetrics const & pm = tm.parMetrics(pit);
3261 if (pm.position() + pm.descent() > 0) {
3262 if (d->anchor_pit_ != pit
3263 || d->anchor_ypos_ != pm.position())
3264 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3265 << " anchor ypos = " << d->anchor_ypos_);
3266 d->anchor_pit_ = pit;
3267 d->anchor_ypos_ = pm.position();
3271 if (!pain.isNull()) {
3272 // reset the update flags, everything has been done
3273 d->update_flags_ = Update::None;
3276 // If a caret has to be painted, mark its text row as dirty to
3277 //make sure that it will be repainted on next redraw.
3278 /* FIXME: investigate whether this can be avoided when the cursor did not
3282 Row const & caret_row = d->cursor_.textRow();
3283 caret_row.changed(true);
3288 void BufferView::message(docstring const & msg)
3291 d->gui_->message(msg);
3295 void BufferView::showDialog(string const & name)
3298 d->gui_->showDialog(name, string());
3302 void BufferView::showDialog(string const & name,
3303 string const & data, Inset * inset)
3306 d->gui_->showDialog(name, data, inset);
3310 void BufferView::updateDialog(string const & name, string const & data)
3313 d->gui_->updateDialog(name, data);
3317 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3323 // FIXME: Move this out of BufferView again
3324 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3326 if (!fname.isReadableFile()) {
3327 docstring const error = from_ascii(strerror(errno));
3328 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3329 docstring const text =
3330 bformat(_("Could not read the specified document\n"
3331 "%1$s\ndue to the error: %2$s"), file, error);
3332 Alert::error(_("Could not read file"), text);
3336 if (!fname.isReadableFile()) {
3337 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3338 docstring const text =
3339 bformat(_("%1$s\n is not readable."), file);
3340 Alert::error(_("Could not open file"), text);
3344 // FIXME UNICODE: We don't know the encoding of the file
3345 docstring file_content = fname.fileContents("UTF-8");
3346 if (file_content.empty()) {
3347 Alert::error(_("Reading not UTF-8 encoded file"),
3348 _("The file is not UTF-8 encoded.\n"
3349 "It will be read as local 8Bit-encoded.\n"
3350 "If this does not give the correct result\n"
3351 "then please change the encoding of the file\n"
3352 "to UTF-8 with a program other than LyX.\n"));
3353 file_content = fname.fileContents("local8bit");
3356 return normalize_c(file_content);
3360 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3362 docstring const tmpstr = contentsOfPlaintextFile(f);
3367 Cursor & cur = cursor();
3368 cap::replaceSelection(cur);
3369 buffer_.undo().recordUndo(cur);
3371 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3373 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3375 buffer_.changed(true);
3379 docstring const & BufferView::inlineCompletion() const
3381 return d->inlineCompletion_;
3385 size_t const & BufferView::inlineCompletionUniqueChars() const
3387 return d->inlineCompletionUniqueChars_;
3391 DocIterator const & BufferView::inlineCompletionPos() const
3393 return d->inlineCompletionPos_;
3397 void BufferView::resetInlineCompletionPos()
3399 d->inlineCompletionPos_ = DocIterator();
3403 bool samePar(DocIterator const & a, DocIterator const & b)
3405 if (a.empty() && b.empty())
3407 if (a.empty() || b.empty())
3409 if (a.depth() != b.depth())
3411 return &a.innerParagraph() == &b.innerParagraph();
3415 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3416 docstring const & completion, size_t uniqueChars)
3418 uniqueChars = min(completion.size(), uniqueChars);
3419 bool changed = d->inlineCompletion_ != completion
3420 || d->inlineCompletionUniqueChars_ != uniqueChars;
3421 bool singlePar = true;
3422 d->inlineCompletion_ = completion;
3423 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3425 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3428 DocIterator const & old = d->inlineCompletionPos_;
3430 //lyxerr << "inlineCompletionPos changed" << std::endl;
3431 // old or pos are in another paragraph?
3432 if ((!samePar(cur, pos) && !pos.empty())
3433 || (!samePar(cur, old) && !old.empty())) {
3435 //lyxerr << "different paragraph" << std::endl;
3437 d->inlineCompletionPos_ = pos;
3442 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3443 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3445 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3450 bool BufferView::clickableInset() const
3452 return d->clickable_inset_;