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 // First try to make the selection start visible
531 // (which is just the cursor when there is no selection)
532 scrollToCursor(d->cursor_.selectionBegin(), false);
533 // Is the cursor visible? (only useful if cursor is at end of selection)
534 if (needsFitCursor())
535 // then try to make cursor visible instead
536 scrollToCursor(d->cursor_, false);
537 // Metrics have to be recomputed (maybe again)
538 updateMetrics(flags);
540 flags = flags & ~Update::FitCursor;
543 // Add flags to the the update flags. These will be reset to None
544 // after the redraw is actually done
545 d->update_flags_ = d->update_flags_ | flags;
546 LYXERR(Debug::PAINTING, "Cumulative flags: " << flagsAsString(flags));
548 // Now compute the update strategy
549 // Possibly values in flag are None, SinglePar, Decoration, ForceDraw
550 LATTEST((d->update_flags_ & ~(Update::None | Update::SinglePar
551 | Update::Decoration | Update::ForceDraw)) == 0);
553 if (d->update_flags_ & Update::ForceDraw)
554 d->update_strategy_ = FullScreenUpdate;
555 else if (d->update_flags_ & Update::Decoration)
556 d->update_strategy_ = DecorationUpdate;
557 else if (d->update_flags_ & Update::SinglePar)
558 d->update_strategy_ = SingleParUpdate;
560 // no need to redraw anything.
561 d->update_strategy_ = NoScreenUpdate;
564 updateHoveredInset();
567 buffer_.changed(false);
571 void BufferView::updateScrollbar()
573 if (height_ == 0 && width_ == 0)
576 // We prefer fixed size line scrolling.
577 d->scrollbarParameters_.single_step = defaultRowHeight();
578 // We prefer full screen page scrolling.
579 d->scrollbarParameters_.page_step = height_;
581 Text & t = buffer_.text();
582 TextMetrics & tm = d->text_metrics_[&t];
584 LYXERR(Debug::GUI, " Updating scrollbar: height: "
585 << t.paragraphs().size()
586 << " curr par: " << d->cursor_.bottom().pit()
587 << " default height " << defaultRowHeight());
589 size_t const parsize = t.paragraphs().size();
590 if (d->par_height_.size() != parsize) {
591 d->par_height_.clear();
592 // FIXME: We assume a default paragraph height of 2 rows. This
593 // should probably be pondered with the screen width.
594 d->par_height_.resize(parsize, defaultRowHeight() * 2);
597 // Look at paragraph heights on-screen
598 pair<pit_type, ParagraphMetrics const *> first = tm.first();
599 pair<pit_type, ParagraphMetrics const *> last = tm.last();
600 for (pit_type pit = first.first; pit <= last.first; ++pit) {
601 d->par_height_[pit] = tm.parMetrics(pit).height();
602 LYXERR(Debug::SCROLLING, "storing height for pit " << pit << " : "
603 << d->par_height_[pit]);
606 int top_pos = first.second->position() - first.second->ascent();
607 int bottom_pos = last.second->position() + last.second->descent();
608 bool first_visible = first.first == 0 && top_pos >= 0;
609 bool last_visible = last.first + 1 == int(parsize) && bottom_pos <= height_;
610 if (first_visible && last_visible) {
611 d->scrollbarParameters_.min = 0;
612 d->scrollbarParameters_.max = 0;
616 d->scrollbarParameters_.min = top_pos;
617 for (size_t i = 0; i != size_t(first.first); ++i)
618 d->scrollbarParameters_.min -= d->par_height_[i];
619 d->scrollbarParameters_.max = bottom_pos;
620 for (size_t i = last.first + 1; i != parsize; ++i)
621 d->scrollbarParameters_.max += d->par_height_[i];
623 // The reference is the top position so we remove one page.
624 if (lyxrc.scroll_below_document)
625 d->scrollbarParameters_.max -= minVisiblePart();
627 d->scrollbarParameters_.max -= d->scrollbarParameters_.page_step;
629 // 0 must be inside the range as it denotes the current position
630 if (d->scrollbarParameters_.max < 0)
631 d->scrollbarParameters_.max = 0;
632 if (d->scrollbarParameters_.min > 0)
633 d->scrollbarParameters_.min = 0;
637 ScrollbarParameters const & BufferView::scrollbarParameters() const
639 return d->scrollbarParameters_;
643 docstring BufferView::toolTip(int x, int y) const
645 // Get inset under mouse, if there is one.
646 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
648 // No inset, no tooltip...
650 return covering_inset->toolTip(*this, x, y);
654 string BufferView::contextMenu(int x, int y) const
656 //If there is a selection, return the containing inset menu
657 if (d->cursor_.selection())
658 return d->cursor_.inset().contextMenu(*this, x, y);
660 // Get inset under mouse, if there is one.
661 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
663 return covering_inset->contextMenu(*this, x, y);
665 return buffer_.inset().contextMenu(*this, x, y);
670 void BufferView::scrollDocView(int const value, bool update)
672 // The scrollbar values are relative to the top of the screen, therefore the
673 // offset is equal to the target value.
675 // No scrolling at all? No need to redraw anything
679 // If the offset is less than 2 screen height, prefer to scroll instead.
680 if (abs(value) <= 2 * height_) {
681 d->anchor_ypos_ -= value;
682 processUpdateFlags(Update::Force);
686 // cut off at the top
687 if (value <= d->scrollbarParameters_.min) {
688 DocIterator dit = doc_iterator_begin(&buffer_);
689 showCursor(dit, false, update);
690 LYXERR(Debug::SCROLLING, "scroll to top");
694 // cut off at the bottom
695 if (value >= d->scrollbarParameters_.max) {
696 DocIterator dit = doc_iterator_end(&buffer_);
698 showCursor(dit, false, update);
699 LYXERR(Debug::SCROLLING, "scroll to bottom");
703 // find paragraph at target position
704 int par_pos = d->scrollbarParameters_.min;
706 for (; i != int(d->par_height_.size()); ++i) {
707 par_pos += d->par_height_[i];
708 if (par_pos >= value)
712 if (par_pos < value) {
713 // It seems we didn't find the correct pit so stay on the safe side and
715 LYXERR0("scrolling position not found!");
716 scrollDocView(d->scrollbarParameters_.max, update);
720 DocIterator dit = doc_iterator_begin(&buffer_);
722 LYXERR(Debug::SCROLLING, "value = " << value << " -> scroll to pit " << i);
723 showCursor(dit, false, update);
727 // FIXME: this method is not working well.
728 void BufferView::setCursorFromScrollbar()
730 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
732 int const height = 2 * defaultRowHeight();
733 int const first = height;
734 int const last = height_ - height;
736 Cursor const & oldcur = d->cursor_;
738 switch (cursorStatus(oldcur)) {
746 int const y = getPos(oldcur).y_;
747 newy = min(last, max(y, first));
751 // We reset the cursor because cursorStatus() does not
752 // work when the cursor is within mathed.
755 tm.setCursorFromCoordinates(cur, 0, newy);
757 // update the bufferview cursor and notify insets
758 // FIXME: Care about the d->cursor_ flags to redraw if needed
759 Cursor old = d->cursor_;
761 // the DEPM call in mouseSetCursor() might have destroyed the
762 // paragraph the cursor is in.
763 bool badcursor = old.fixIfBroken();
764 badcursor |= notifyCursorLeavesOrEnters(old, d->cursor_);
766 d->cursor_.fixIfBroken();
770 Change const BufferView::getCurrentChange() const
772 if (!d->cursor_.selection())
773 return Change(Change::UNCHANGED);
775 DocIterator dit = d->cursor_.selectionBegin();
776 // The selected content might have been changed (see #7685)
777 dit = dit.getInnerText();
778 return dit.paragraph().lookupChange(dit.pos());
782 // this could be used elsewhere as well?
783 // FIXME: This does not work within mathed!
784 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
786 Point const p = getPos(dit);
789 if (p.y_ > workHeight())
795 void BufferView::bookmarkEditPosition()
797 // Don't eat cpu time for each keystroke
798 if (d->cursor_.paragraph().id() == d->bookmark_edit_position_)
801 d->bookmark_edit_position_ = d->cursor_.paragraph().id();
805 void BufferView::saveBookmark(unsigned int idx)
807 // tentatively save bookmark, id and pos will be used to
808 // acturately locate a bookmark in a 'live' lyx session.
809 // pit and pos will be updated with bottom level pit/pos
811 if (!buffer_.isInternal()) {
812 theSession().bookmarks().save(
814 d->cursor_.bottom().pit(),
815 d->cursor_.bottom().pos(),
816 d->cursor_.paragraph().id(),
821 // emit message signal.
822 message(_("Save bookmark"));
827 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
828 int top_id, pos_type top_pos)
830 bool success = false;
833 d->cursor_.clearSelection();
835 // if a valid par_id is given, try it first
836 // This is the case for a 'live' bookmark when unique paragraph ID
837 // is used to track bookmarks.
839 dit = buffer_.getParFromID(top_id);
841 dit.pos() = min(dit.paragraph().size(), top_pos);
842 // Some slices of the iterator may not be
843 // reachable (e.g. closed collapsible inset)
844 // so the dociterator may need to be
845 // shortened. Otherwise, setCursor may crash
846 // lyx when the cursor can not be set to these
848 size_t const n = dit.depth();
849 for (size_t i = 0; i < n; ++i)
850 if (!dit[i].inset().editable()) {
858 // if top_id == 0, or searching through top_id failed
859 // This is the case for a 'restored' bookmark when only bottom
860 // (document level) pit was saved. Because of this, bookmark
861 // restoration is inaccurate. If a bookmark was within an inset,
862 // it will be restored to the left of the outmost inset that contains
864 if (bottom_pit < int(buffer_.paragraphs().size())) {
865 dit = doc_iterator_begin(&buffer_);
867 dit.pit() = bottom_pit;
868 dit.pos() = min(bottom_pos, dit.paragraph().size());
873 // Note: only bottom (document) level pit is set.
875 // set the current font.
876 d->cursor_.setCurrentFont();
877 // Do not forget to reset the anchor (see #9912)
878 d->cursor_.resetAnchor();
879 processUpdateFlags(Update::Force | Update::FitCursor);
886 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
888 if (d->cursor_.real_current_font.isRightToLeft()) {
889 if (d->intl_.keymap == Intl::PRIMARY)
890 d->intl_.keyMapSec();
892 if (d->intl_.keymap == Intl::SECONDARY)
893 d->intl_.keyMapPrim();
896 d->intl_.getTransManager().translateAndInsert(c, t, cur);
900 int BufferView::workWidth() const
906 void BufferView::recenter()
908 showCursor(d->cursor_, true, true);
912 void BufferView::showCursor()
914 showCursor(d->cursor_, false, true);
918 void BufferView::showCursor(DocIterator const & dit,
919 bool recenter, bool update)
921 if (scrollToCursor(dit, recenter) && update)
922 processUpdateFlags(Update::Force);
926 void BufferView::scrollToCursor()
928 if (scrollToCursor(d->cursor_, false))
929 processUpdateFlags(Update::Force);
933 bool BufferView::scrollToCursor(DocIterator const & dit, bool const recenter)
935 // We are not properly started yet, delay until resizing is
940 LYXERR(Debug::SCROLLING, "recentering!");
942 CursorSlice const & bot = dit.bottom();
943 TextMetrics & tm = d->text_metrics_[bot.text()];
945 pos_type const max_pit = pos_type(bot.text()->paragraphs().size() - 1);
946 int bot_pit = bot.pit();
947 if (bot_pit > max_pit) {
948 // FIXME: Why does this happen?
949 LYXERR0("bottom pit is greater that max pit: "
950 << bot_pit << " > " << max_pit);
954 if (bot_pit == tm.first().first - 1)
955 tm.newParMetricsUp();
956 else if (bot_pit == tm.last().first + 1)
957 tm.newParMetricsDown();
959 if (tm.contains(bot_pit)) {
960 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
961 LBUFERR(!pm.rows().empty());
962 // FIXME: smooth scrolling doesn't work in mathed.
963 CursorSlice const & cs = dit.innerTextSlice();
964 int offset = coordOffset(dit).y_;
965 int ypos = pm.position() + offset;
966 Dimension const & row_dim =
967 pm.getRow(cs.pos(), dit.boundary()).dim();
970 scrolled = scroll(ypos - height_/2);
972 // We try to visualize the whole row, if the row height is larger than
973 // the screen height, we scroll to a heuristic value of height_ / 4.
974 // FIXME: This heuristic value should be replaced by a recursive search
975 // for a row in the inset that can be visualized completely.
976 else if (row_dim.height() > height_) {
977 if (ypos < defaultRowHeight())
978 scrolled = scroll(ypos - height_ / 4);
979 else if (ypos > height_ - defaultRowHeight())
980 scrolled = scroll(ypos - 3 * height_ / 4);
983 // If the top part of the row falls of the screen, we scroll
984 // up to align the top of the row with the top of the screen.
985 else if (ypos - row_dim.ascent() < 0 && ypos < height_) {
986 int ynew = row_dim.ascent();
987 scrolled = scrollUp(ynew - ypos);
990 // If the bottom of the row falls of the screen, we scroll down.
991 else if (ypos + row_dim.descent() > height_ && ypos > 0) {
992 int ynew = height_ - row_dim.descent();
993 scrolled = scrollDown(ypos - ynew);
996 // else, nothing to do, the cursor is already visible so we just return.
997 return scrolled != 0;
1000 // fix inline completion position
1001 if (d->inlineCompletionPos_.fixIfBroken())
1002 d->inlineCompletionPos_ = DocIterator();
1004 tm.redoParagraph(bot_pit);
1005 ParagraphMetrics const & pm = tm.parMetrics(bot_pit);
1006 int offset = coordOffset(dit).y_;
1008 d->anchor_pit_ = bot_pit;
1009 CursorSlice const & cs = dit.innerTextSlice();
1010 Dimension const & row_dim =
1011 pm.getRow(cs.pos(), dit.boundary()).dim();
1014 d->anchor_ypos_ = height_/2;
1015 else if (d->anchor_pit_ == 0)
1016 d->anchor_ypos_ = offset + pm.ascent();
1017 else if (d->anchor_pit_ == max_pit)
1018 d->anchor_ypos_ = height_ - offset - row_dim.descent();
1019 else if (offset > height_)
1020 d->anchor_ypos_ = height_ - offset - defaultRowHeight();
1022 d->anchor_ypos_ = defaultRowHeight() * 2;
1028 void BufferView::makeDocumentClass()
1030 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1031 buffer_.params().makeDocumentClass();
1032 updateDocumentClass(olddc);
1036 void BufferView::updateDocumentClass(DocumentClassConstPtr olddc)
1038 message(_("Converting document to new document class..."));
1040 StableDocIterator backcur(d->cursor_);
1041 ErrorList & el = buffer_.errorList("Class Switch");
1042 cap::switchBetweenClasses(
1043 olddc, buffer_.params().documentClassPtr(),
1044 static_cast<InsetText &>(buffer_.inset()), el);
1046 setCursor(backcur.asDocIterator(&buffer_));
1048 buffer_.errors("Class Switch");
1052 /** Return the change status at cursor position, taking into account the
1053 * status at each level of the document iterator (a table in a deleted
1054 * footnote is deleted).
1055 * When \param outer is true, the top slice is not looked at.
1057 static Change::Type lookupChangeType(DocIterator const & dit, bool outer = false)
1059 size_t const depth = dit.depth() - (outer ? 1 : 0);
1061 for (size_t i = 0 ; i < depth ; ++i) {
1062 CursorSlice const & slice = dit[i];
1063 if (!slice.inset().inMathed()
1064 && slice.pos() < slice.paragraph().size()) {
1065 Change::Type const ch = slice.paragraph().lookupChange(slice.pos()).type;
1066 if (ch != Change::UNCHANGED)
1070 return Change::UNCHANGED;
1074 bool BufferView::getStatus(FuncRequest const & cmd, FuncStatus & flag)
1076 FuncCode const act = cmd.action();
1078 // Can we use a readonly buffer?
1079 if (buffer_.isReadonly()
1080 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1081 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1082 if (buffer_.hasReadonlyFlag())
1083 flag.message(from_utf8(N_("Document is read-only")));
1085 flag.message(from_utf8(N_("Document has been modified externally")));
1086 flag.setEnabled(false);
1090 // Are we in a DELETED change-tracking region?
1091 if (lookupChangeType(d->cursor_, true) == Change::DELETED
1092 && !lyxaction.funcHasFlag(act, LyXAction::ReadOnly)
1093 && !lyxaction.funcHasFlag(act, LyXAction::NoBuffer)) {
1094 flag.message(from_utf8(N_("This portion of the document is deleted.")));
1095 flag.setEnabled(false);
1099 Cursor & cur = d->cursor_;
1101 if (cur.getStatus(cmd, flag))
1106 // FIXME: This is a bit problematic because we don't check if this is
1107 // a document BufferView or not for these LFUNs. We probably have to
1108 // dispatch both to currentBufferView() and, if that fails,
1109 // to documentBufferView(); same as we do now for current Buffer and
1110 // document Buffer. Ideally those LFUN should go to Buffer as they
1111 // operate on the full Buffer and the cursor is only needed either for
1112 // an Undo record or to restore a cursor position. But we don't know
1113 // how to do that inside Buffer of course.
1114 case LFUN_BUFFER_PARAMS_APPLY:
1115 case LFUN_LAYOUT_MODULES_CLEAR:
1116 case LFUN_LAYOUT_MODULE_ADD:
1117 case LFUN_LAYOUT_RELOAD:
1118 case LFUN_TEXTCLASS_APPLY:
1119 case LFUN_TEXTCLASS_LOAD:
1120 flag.setEnabled(!buffer_.isReadonly());
1124 // We do not use the LyXAction flag for readonly because Undo sets the
1125 // buffer clean/dirty status by itself.
1126 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasUndoStack());
1129 // We do not use the LyXAction flag for readonly because Redo sets the
1130 // buffer clean/dirty status by itself.
1131 flag.setEnabled(!buffer_.isReadonly() && buffer_.undo().hasRedoStack());
1133 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
1134 case LFUN_FILE_INSERT_PLAINTEXT: {
1135 docstring const fname = cmd.argument();
1136 if (!FileName::isAbsolute(to_utf8(fname))) {
1137 flag.message(_("Absolute filename expected."));
1140 flag.setEnabled(cur.inTexted());
1143 case LFUN_FILE_INSERT:
1144 case LFUN_BOOKMARK_SAVE:
1145 // FIXME: Actually, these LFUNS should be moved to Text
1146 flag.setEnabled(cur.inTexted());
1149 case LFUN_FONT_STATE:
1150 case LFUN_LABEL_INSERT:
1151 case LFUN_INFO_INSERT:
1152 case LFUN_PARAGRAPH_GOTO:
1153 case LFUN_NOTE_NEXT:
1154 case LFUN_REFERENCE_NEXT:
1155 case LFUN_WORD_FIND:
1156 case LFUN_WORD_FIND_FORWARD:
1157 case LFUN_WORD_FIND_BACKWARD:
1158 case LFUN_WORD_REPLACE:
1161 case LFUN_MARK_TOGGLE:
1162 case LFUN_SCREEN_RECENTER:
1163 case LFUN_SCREEN_SHOW_CURSOR:
1164 case LFUN_BIBTEX_DATABASE_ADD:
1165 case LFUN_BIBTEX_DATABASE_DEL:
1166 case LFUN_STATISTICS:
1167 case LFUN_KEYMAP_OFF:
1168 case LFUN_KEYMAP_PRIMARY:
1169 case LFUN_KEYMAP_SECONDARY:
1170 case LFUN_KEYMAP_TOGGLE:
1171 case LFUN_INSET_SELECT_ALL:
1172 flag.setEnabled(true);
1175 case LFUN_GRAPHICS_UNIFY:
1176 flag.setEnabled(cur.countInsetsInSelection(GRAPHICS_CODE)>1);
1179 case LFUN_WORD_FINDADV: {
1180 FindAndReplaceOptions opt;
1181 istringstream iss(to_utf8(cmd.argument()));
1183 flag.setEnabled(opt.repl_buf_name.empty()
1184 || !buffer_.isReadonly());
1188 case LFUN_LABEL_GOTO:
1189 flag.setEnabled(!cmd.argument().empty()
1190 || getInsetByCode<InsetRef>(cur, REF_CODE));
1193 case LFUN_CHANGES_MERGE:
1194 case LFUN_CHANGE_NEXT:
1195 case LFUN_CHANGE_PREVIOUS:
1196 case LFUN_ALL_CHANGES_ACCEPT:
1197 case LFUN_ALL_CHANGES_REJECT:
1198 flag.setEnabled(buffer_.areChangesPresent());
1201 case LFUN_SCREEN_UP:
1202 case LFUN_SCREEN_DOWN:
1204 case LFUN_SCREEN_UP_SELECT:
1205 case LFUN_SCREEN_DOWN_SELECT:
1206 case LFUN_INSET_FORALL:
1207 flag.setEnabled(true);
1210 case LFUN_LAYOUT_TABULAR:
1211 flag.setEnabled(cur.innerInsetOfType(TABULAR_CODE));
1215 flag.setEnabled(!cur.inset().forcePlainLayout(cur.idx()));
1218 case LFUN_LAYOUT_PARAGRAPH:
1219 flag.setEnabled(cur.inset().allowParagraphCustomization(cur.idx()));
1222 case LFUN_BRANCH_ADD_INSERT:
1223 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1226 case LFUN_DIALOG_SHOW_NEW_INSET:
1227 // FIXME: this is wrong, but I do not understand the
1229 if (cur.inset().lyxCode() == CAPTION_CODE)
1230 return cur.inset().getStatus(cur, cmd, flag);
1231 // FIXME we should consider passthru paragraphs too.
1232 flag.setEnabled(!(cur.inTexted() && cur.paragraph().isPassThru()));
1235 case LFUN_CITATION_INSERT: {
1236 FuncRequest fr(LFUN_INSET_INSERT, "citation");
1237 // FIXME: This could turn in a recursive hell.
1238 // Shouldn't we use Buffer::getStatus() instead?
1239 flag.setEnabled(lyx::getStatus(fr).enabled());
1242 case LFUN_INSET_APPLY: {
1243 string const name = cmd.getArg(0);
1244 Inset * inset = editedInset(name);
1246 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
1247 if (!inset->getStatus(cur, fr, flag)) {
1248 // Every inset is supposed to handle this
1249 LASSERT(false, break);
1252 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
1253 flag = lyx::getStatus(fr);
1266 Inset * BufferView::editedInset(string const & name) const
1268 map<string, Inset *>::const_iterator it = d->edited_insets_.find(name);
1269 return it == d->edited_insets_.end() ? 0 : it->second;
1273 void BufferView::editInset(string const & name, Inset * inset)
1276 d->edited_insets_[name] = inset;
1278 d->edited_insets_.erase(name);
1282 void BufferView::dispatch(FuncRequest const & cmd, DispatchResult & dr)
1284 LYXERR(Debug::ACTION, "BufferView::dispatch: cmd: " << cmd);
1286 string const argument = to_utf8(cmd.argument());
1287 Cursor & cur = d->cursor_;
1290 // Don't dispatch function that does not apply to internal buffers.
1291 if (buffer_.isInternal()
1292 && lyxaction.funcHasFlag(cmd.action(), LyXAction::NoInternal))
1295 // We'll set this back to false if need be.
1296 bool dispatched = true;
1297 buffer_.undo().beginUndoGroup();
1299 FuncCode const act = cmd.action();
1302 case LFUN_BUFFER_PARAMS_APPLY: {
1303 DocumentClassConstPtr olddc = buffer_.params().documentClassPtr();
1304 cur.recordUndoBufferParams();
1305 istringstream ss(to_utf8(cmd.argument()));
1308 int const unknown_tokens = buffer_.readHeader(lex);
1309 if (unknown_tokens != 0) {
1310 LYXERR0("Warning in LFUN_BUFFER_PARAMS_APPLY!\n"
1311 << unknown_tokens << " unknown token"
1312 << (unknown_tokens == 1 ? "" : "s"));
1314 updateDocumentClass(olddc);
1316 // We are most certainly here because of a change in the document
1317 // It is then better to make sure that all dialogs are in sync with
1318 // current document settings.
1319 dr.screenUpdate(Update::Force | Update::FitCursor);
1320 dr.forceBufferUpdate();
1324 case LFUN_LAYOUT_MODULES_CLEAR: {
1325 // FIXME: this modifies the document in cap::switchBetweenClasses
1326 // without calling recordUndo. Fix this before using
1327 // recordUndoBufferParams().
1328 cur.recordUndoFullBuffer();
1329 buffer_.params().clearLayoutModules();
1330 makeDocumentClass();
1331 dr.screenUpdate(Update::Force);
1332 dr.forceBufferUpdate();
1336 case LFUN_LAYOUT_MODULE_ADD: {
1337 BufferParams const & params = buffer_.params();
1338 if (!params.layoutModuleCanBeAdded(argument)) {
1339 LYXERR0("Module `" << argument <<
1340 "' cannot be added due to failed requirements or "
1341 "conflicts with installed modules.");
1344 // FIXME: this modifies the document in cap::switchBetweenClasses
1345 // without calling recordUndo. Fix this before using
1346 // recordUndoBufferParams().
1347 cur.recordUndoFullBuffer();
1348 buffer_.params().addLayoutModule(argument);
1349 makeDocumentClass();
1350 dr.screenUpdate(Update::Force);
1351 dr.forceBufferUpdate();
1355 case LFUN_TEXTCLASS_APPLY: {
1356 // since this shortcircuits, the second call is made only if
1358 bool const success =
1359 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1360 LayoutFileList::get().load(argument, buffer_.filePath());
1362 docstring s = bformat(_("The document class `%1$s' "
1363 "could not be loaded."), from_utf8(argument));
1364 frontend::Alert::error(_("Could not load class"), s);
1368 LayoutFile const * old_layout = buffer_.params().baseClass();
1369 LayoutFile const * new_layout = &(LayoutFileList::get()[argument]);
1371 if (old_layout == new_layout)
1375 // Save the old, possibly modular, layout for use in conversion.
1376 // FIXME: this modifies the document in cap::switchBetweenClasses
1377 // without calling recordUndo. Fix this before using
1378 // recordUndoBufferParams().
1379 cur.recordUndoFullBuffer();
1380 buffer_.params().setBaseClass(argument, buffer_.layoutPos());
1381 makeDocumentClass();
1382 dr.screenUpdate(Update::Force);
1383 dr.forceBufferUpdate();
1387 case LFUN_TEXTCLASS_LOAD: {
1388 // since this shortcircuits, the second call is made only if
1390 bool const success =
1391 LayoutFileList::get().load(argument, buffer_.temppath()) ||
1392 LayoutFileList::get().load(argument, buffer_.filePath());
1394 docstring s = bformat(_("The document class `%1$s' "
1395 "could not be loaded."), from_utf8(argument));
1396 frontend::Alert::error(_("Could not load class"), s);
1401 case LFUN_LAYOUT_RELOAD: {
1402 LayoutFileIndex bc = buffer_.params().baseClassID();
1403 LayoutFileList::get().reset(bc);
1404 buffer_.params().setBaseClass(bc, buffer_.layoutPos());
1405 makeDocumentClass();
1406 dr.screenUpdate(Update::Force);
1407 dr.forceBufferUpdate();
1412 dr.setMessage(_("Undo"));
1413 cur.clearSelection();
1414 // We need to find out if the bibliography information
1415 // has changed. See bug #11055.
1416 // So these should not be references...
1417 string const engine = buffer().params().citeEngine();
1418 CiteEngineType const enginetype = buffer().params().citeEngineType();
1419 if (!cur.undoAction())
1420 dr.setMessage(_("No further undo information"));
1422 dr.screenUpdate(Update::Force | Update::FitCursor);
1423 dr.forceBufferUpdate();
1424 if (buffer().params().citeEngine() != engine ||
1425 buffer().params().citeEngineType() != enginetype)
1426 buffer().invalidateCiteLabels();
1432 dr.setMessage(_("Redo"));
1433 cur.clearSelection();
1434 // We need to find out if the bibliography information
1435 // has changed. See bug #11055.
1436 // So these should not be references...
1437 string const engine = buffer().params().citeEngine();
1438 CiteEngineType const enginetype = buffer().params().citeEngineType();
1439 if (!cur.redoAction())
1440 dr.setMessage(_("No further redo information"));
1442 dr.screenUpdate(Update::Force | Update::FitCursor);
1443 dr.forceBufferUpdate();
1444 if (buffer().params().citeEngine() != engine ||
1445 buffer().params().citeEngineType() != enginetype)
1446 buffer().invalidateCiteLabels();
1451 case LFUN_FONT_STATE:
1452 dr.setMessage(cur.currentState(false));
1455 case LFUN_BOOKMARK_SAVE:
1456 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
1459 case LFUN_LABEL_GOTO: {
1460 docstring label = cmd.argument();
1461 if (label.empty()) {
1463 getInsetByCode<InsetRef>(cur, REF_CODE);
1465 label = inset->getParam("reference");
1466 // persistent=false: use temp_bookmark
1470 if (!label.empty()) {
1472 // at the moment, this is redundant, since gotoLabel will
1473 // eventually call LFUN_PARAGRAPH_GOTO, but it seems best
1475 dr.screenUpdate(Update::Force | Update::FitCursor);
1480 case LFUN_PARAGRAPH_GOTO: {
1481 int const id = convert<int>(cmd.getArg(0));
1482 pos_type const pos = convert<int>(cmd.getArg(1));
1485 string const str_id_end = cmd.getArg(2);
1486 string const str_pos_end = cmd.getArg(3);
1488 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
1489 b = theBufferList().next(b)) {
1492 curs.setCursor(b->getParFromID(id));
1494 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
1498 LYXERR(Debug::INFO, "Paragraph " << curs.paragraph().id()
1499 << " found in buffer `"
1500 << b->absFileName() << "'.");
1502 if (b == &buffer_) {
1504 if (str_id_end.empty() || str_pos_end.empty()) {
1507 mouseSetCursor(curs);
1510 int const id_end = convert<int>(str_id_end);
1511 pos_type const pos_end = convert<int>(str_pos_end);
1512 success = setCursorFromEntries({id, pos},
1516 dr.screenUpdate(Update::Force | Update::FitCursor);
1518 // Switch to other buffer view and resend cmd
1519 lyx::dispatch(FuncRequest(
1520 LFUN_BUFFER_SWITCH, b->absFileName()));
1528 case LFUN_NOTE_NEXT:
1529 gotoInset(this, NOTE_CODE, false);
1532 case LFUN_REFERENCE_NEXT: {
1533 vector<InsetCode> tmp;
1534 tmp.push_back(LABEL_CODE);
1535 tmp.push_back(REF_CODE);
1536 gotoInset(this, tmp, true);
1540 case LFUN_CHANGE_NEXT:
1541 findNextChange(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_CHANGE_PREVIOUS:
1547 findPreviousChange(this);
1548 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1549 dr.screenUpdate(Update::Force | Update::FitCursor);
1552 case LFUN_CHANGES_MERGE:
1553 if (findNextChange(this) || findPreviousChange(this)) {
1554 dr.screenUpdate(Update::Force | Update::FitCursor);
1555 dr.forceBufferUpdate();
1556 showDialog("changes");
1560 case LFUN_ALL_CHANGES_ACCEPT: {
1561 // select complete document
1563 cur.selHandle(true);
1564 buffer_.text().cursorBottom(cur);
1565 // accept everything in a single step to support atomic undo
1566 // temporarily disable track changes in order to end with really
1567 // no new (e.g., DPSM-caused) changes (see #7487)
1568 bool const track = buffer_.params().track_changes;
1569 buffer_.params().track_changes = false;
1570 buffer_.text().acceptOrRejectChanges(cur, Text::ACCEPT);
1571 buffer_.params().track_changes = track;
1573 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1574 dr.screenUpdate(Update::Force | Update::FitCursor);
1575 dr.forceBufferUpdate();
1579 case LFUN_ALL_CHANGES_REJECT: {
1580 // select complete document
1582 cur.selHandle(true);
1583 buffer_.text().cursorBottom(cur);
1584 // reject everything in a single step to support atomic undo
1585 // temporarily disable track changes in order to end with really
1586 // no new (e.g., DPSM-caused) changes (see #7487)
1587 bool const track = buffer_.params().track_changes;
1588 buffer_.params().track_changes = false;
1589 buffer_.text().acceptOrRejectChanges(cur, Text::REJECT);
1590 buffer_.params().track_changes = track;
1592 // FIXME: Move this LFUN to Buffer so that we don't have to do this:
1593 dr.screenUpdate(Update::Force | Update::FitCursor);
1594 dr.forceBufferUpdate();
1598 case LFUN_WORD_FIND_FORWARD:
1599 case LFUN_WORD_FIND_BACKWARD: {
1601 // Would it maybe be better if this variable were view specific anyway?
1602 static docstring last_search;
1603 docstring searched_string;
1605 if (!cmd.argument().empty()) {
1606 last_search = cmd.argument();
1607 searched_string = cmd.argument();
1609 searched_string = last_search;
1612 if (searched_string.empty())
1615 bool const fw = act == LFUN_WORD_FIND_FORWARD;
1616 docstring const data =
1617 find2string(searched_string, true, false, fw);
1618 bool found = lyxfind(this, FuncRequest(LFUN_WORD_FIND, data));
1620 dr.screenUpdate(Update::Force | Update::FitCursor);
1624 case LFUN_WORD_FIND: {
1625 FuncRequest req = cmd;
1626 if (cmd.argument().empty() && !d->search_request_cache_.argument().empty())
1627 req = d->search_request_cache_;
1628 if (req.argument().empty()) {
1629 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "findreplace"));
1632 if (lyxfind(this, req))
1633 dr.screenUpdate(Update::Force | Update::FitCursor);
1635 d->search_request_cache_ = req;
1639 case LFUN_WORD_REPLACE: {
1640 bool has_deleted = false;
1641 if (cur.selection()) {
1642 DocIterator beg = cur.selectionBegin();
1643 DocIterator end = cur.selectionEnd();
1644 if (beg.pit() == end.pit()) {
1645 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1646 if (!cur.inMathed() && cur.paragraph().isDeleted(p)) {
1653 if (lyxreplace(this, cmd, has_deleted)) {
1654 dr.forceBufferUpdate();
1655 dr.screenUpdate(Update::Force | Update::FitCursor);
1660 case LFUN_WORD_FINDADV: {
1661 FindAndReplaceOptions opt;
1662 istringstream iss(to_utf8(cmd.argument()));
1664 if (findAdv(this, opt)) {
1665 dr.screenUpdate(Update::Force | Update::FitCursor);
1676 cur.clearSelection();
1677 dr.setMessage(from_utf8(N_("Mark off")));
1681 cur.clearSelection();
1683 dr.setMessage(from_utf8(N_("Mark on")));
1686 case LFUN_MARK_TOGGLE:
1687 cur.selection(false);
1690 dr.setMessage(from_utf8(N_("Mark removed")));
1693 dr.setMessage(from_utf8(N_("Mark set")));
1698 case LFUN_SCREEN_SHOW_CURSOR:
1702 case LFUN_SCREEN_RECENTER:
1706 case LFUN_BIBTEX_DATABASE_ADD: {
1707 Cursor tmpcur = cur;
1708 findInset(tmpcur, BIBTEX_CODE, false);
1709 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1712 if (inset->addDatabase(cmd.argument()))
1713 dr.forceBufferUpdate();
1718 case LFUN_BIBTEX_DATABASE_DEL: {
1719 Cursor tmpcur = cur;
1720 findInset(tmpcur, BIBTEX_CODE, false);
1721 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1724 if (inset->delDatabase(cmd.argument()))
1725 dr.forceBufferUpdate();
1730 case LFUN_GRAPHICS_UNIFY: {
1732 cur.recordUndoFullBuffer();
1734 DocIterator from, to;
1735 from = cur.selectionBegin();
1736 to = cur.selectionEnd();
1738 string const newId = cmd.getArg(0);
1739 bool fetchId = newId.empty(); //if we wait for groupId from first graphics inset
1741 InsetGraphicsParams grp_par;
1743 InsetGraphics::string2params(graphics::getGroupParams(buffer_, newId), buffer_, grp_par);
1745 if (!from.nextInset()) //move to closest inset
1746 from.forwardInset();
1748 while (!from.empty() && from < to) {
1749 Inset * inset = from.nextInset();
1752 InsetGraphics * ig = inset->asInsetGraphics();
1754 InsetGraphicsParams inspar = ig->getParams();
1759 grp_par.filename = inspar.filename;
1760 ig->setParams(grp_par);
1763 from.forwardInset();
1765 dr.screenUpdate(Update::Force); //needed if triggered from context menu
1769 case LFUN_STATISTICS: {
1770 DocIterator from, to;
1771 if (cur.selection()) {
1772 from = cur.selectionBegin();
1773 to = cur.selectionEnd();
1775 from = doc_iterator_begin(&buffer_);
1776 to = doc_iterator_end(&buffer_);
1778 buffer_.updateStatistics(from, to);
1779 int const words = buffer_.wordCount();
1780 int const chars = buffer_.charCount(false);
1781 int const chars_blanks = buffer_.charCount(true);
1783 if (cur.selection())
1784 message = _("Statistics for the selection:");
1786 message = _("Statistics for the document:");
1789 message += bformat(_("%1$d words"), words);
1791 message += _("One word");
1793 if (chars_blanks != 1)
1794 message += bformat(_("%1$d characters (including blanks)"),
1797 message += _("One character (including blanks)");
1800 message += bformat(_("%1$d characters (excluding blanks)"),
1803 message += _("One character (excluding blanks)");
1805 Alert::information(_("Statistics"), message);
1809 case LFUN_SCREEN_UP:
1810 case LFUN_SCREEN_DOWN: {
1811 Point p = getPos(cur);
1812 // This code has been commented out to enable to scroll down a
1813 // document, even if there are large insets in it (see bug #5465).
1814 /*if (p.y_ < 0 || p.y_ > height_) {
1815 // The cursor is off-screen so recenter before proceeding.
1819 int const scrolled = scroll(act == LFUN_SCREEN_UP
1820 ? -height_ : height_);
1821 if (act == LFUN_SCREEN_UP && scrolled > -height_)
1823 if (act == LFUN_SCREEN_DOWN && scrolled < height_)
1824 p = Point(width_, height_);
1825 bool const in_texted = cur.inTexted();
1826 cur.setCursor(doc_iterator_begin(cur.buffer()));
1827 cur.selHandle(false);
1828 // Force an immediate computation of metrics because we need it below
1829 processUpdateFlags(Update::Force);
1831 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_,
1832 true, act == LFUN_SCREEN_UP);
1833 //FIXME: what to do with cur.x_target()?
1834 bool update = in_texted && cur.bv().checkDepm(cur, old);
1837 if (update || cur.mark())
1838 dr.screenUpdate(Update::Force | Update::FitCursor);
1840 dr.forceBufferUpdate();
1845 string const scroll_type = cmd.getArg(0);
1846 int scroll_step = 0;
1847 if (scroll_type == "line")
1848 scroll_step = d->scrollbarParameters_.single_step;
1849 else if (scroll_type == "page")
1850 scroll_step = d->scrollbarParameters_.page_step;
1853 string const scroll_quantity = cmd.getArg(1);
1854 if (scroll_quantity == "up")
1855 scrollUp(scroll_step);
1856 else if (scroll_quantity == "down")
1857 scrollDown(scroll_step);
1859 int const scroll_value = convert<int>(scroll_quantity);
1861 scroll(scroll_step * scroll_value);
1863 dr.screenUpdate(Update::ForceDraw);
1864 dr.forceBufferUpdate();
1868 case LFUN_SCREEN_UP_SELECT: {
1869 // FIXME: why is the algorithm different from LFUN_SCREEN_UP?
1870 cur.selHandle(true);
1871 if (isTopScreen()) {
1872 lyx::dispatch(FuncRequest(LFUN_BUFFER_BEGIN_SELECT));
1876 int y = getPos(cur).y_;
1877 int const ymin = y - height_ + defaultRowHeight();
1878 while (y > ymin && cur.up())
1882 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1886 case LFUN_SCREEN_DOWN_SELECT: {
1887 // FIXME: why is the algorithm different from LFUN_SCREEN_DOWN?
1888 cur.selHandle(true);
1889 if (isBottomScreen()) {
1890 lyx::dispatch(FuncRequest(LFUN_BUFFER_END_SELECT));
1894 int y = getPos(cur).y_;
1895 int const ymax = y + height_ - defaultRowHeight();
1896 while (y < ymax && cur.down())
1900 dr.screenUpdate(Update::SinglePar | Update::FitCursor);
1905 case LFUN_INSET_SELECT_ALL: {
1906 // true if all cells are selected
1907 bool const all_selected = cur.depth() > 1
1908 && cur.selBegin().at_begin()
1909 && cur.selEnd().at_end();
1910 // true if some cells are selected
1911 bool const cells_selected = cur.depth() > 1
1912 && cur.selBegin().at_cell_begin()
1913 && cur.selEnd().at_cell_end();
1914 if (all_selected || (cells_selected && !cur.inset().isTable())) {
1915 // All the contents of the inset if selected, or only at
1916 // least one cell but inset is not a table.
1917 // Select the inset from outside.
1920 cur.selection(true);
1922 } else if (cells_selected) {
1923 // At least one complete cell is selected and inset is a table.
1929 cur.selection(true);
1930 cur.idx() = cur.lastidx();
1931 cur.pit() = cur.lastpit();
1932 cur.pos() = cur.lastpos();
1934 // select current cell
1938 cur.selection(true);
1939 cur.pit() = cur.lastpit();
1940 cur.pos() = cur.lastpos();
1942 cur.setCurrentFont();
1943 dr.screenUpdate(Update::Force);
1948 case LFUN_UNICODE_INSERT: {
1949 if (cmd.argument().empty())
1952 FuncCode code = cur.inset().currentMode() == Inset::MATH_MODE ?
1953 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1956 docstring const arg = from_utf8(cmd.getArg(i));
1960 LYXERR0("Not a hexstring: " << arg);
1964 char_type c = hexToInt(arg);
1965 if (c >= 32 && c < 0x10ffff) {
1966 LYXERR(Debug::KEY, "Inserting c: " << c);
1967 lyx::dispatch(FuncRequest(code, docstring(1, c)));
1975 // This would be in Buffer class if only Cursor did not
1976 // require a bufferview
1977 case LFUN_INSET_FORALL: {
1978 docstring const name = from_utf8(cmd.getArg(0));
1979 string const commandstr = cmd.getLongArg(1);
1980 FuncRequest const fr = lyxaction.lookupFunc(commandstr);
1982 // an arbitrary number to limit number of iterations
1983 const int max_iter = 100000;
1985 Cursor & curs = d->cursor_;
1986 Cursor const savecur = curs;
1988 if (!curs.nextInset())
1989 curs.forwardInset();
1990 curs.beginUndoGroup();
1991 while(curs && iterations < max_iter) {
1992 Inset * const ins = curs.nextInset();
1995 docstring insname = ins->layoutName();
1996 while (!insname.empty()) {
1997 if (insname == name || name == from_utf8("*")) {
1999 lyx::dispatch(fr, dr);
2003 size_t const i = insname.rfind(':');
2004 if (i == string::npos)
2006 insname = insname.substr(0, i);
2008 // if we did not delete the inset, skip it
2009 if (!curs.nextInset() || curs.nextInset() == ins)
2010 curs.forwardInset();
2014 /** This is a dummy undo record only to remember the cursor
2015 * that has just been set; this will be used on a redo action
2016 * (see ticket #10097)
2018 * FIXME: a better fix would be to have a way to set the
2019 * cursor value directly, but I am not sure it is worth it.
2022 curs.endUndoGroup();
2023 dr.screenUpdate(Update::Force);
2024 dr.forceBufferUpdate();
2026 if (iterations >= max_iter) {
2028 dr.setMessage(bformat(_("`inset-forall' interrupted because number of actions is larger than %1$d"), max_iter));
2030 dr.setMessage(bformat(_("Applied \"%1$s\" to %2$d insets"), from_utf8(commandstr), iterations));
2035 case LFUN_BRANCH_ADD_INSERT: {
2036 docstring branch_name = from_utf8(cmd.getArg(0));
2037 if (branch_name.empty())
2038 if (!Alert::askForText(branch_name, _("Branch name")) ||
2039 branch_name.empty())
2042 DispatchResult drtmp;
2043 buffer_.dispatch(FuncRequest(LFUN_BRANCH_ADD, branch_name), drtmp);
2044 if (drtmp.error()) {
2045 Alert::warning(_("Branch already exists"), drtmp.message());
2048 docstring const sep = buffer_.params().branchlist().separator();
2049 for (docstring const & branch : getVectorFromString(branch_name, sep))
2050 lyx::dispatch(FuncRequest(LFUN_BRANCH_INSERT, branch));
2054 case LFUN_KEYMAP_OFF:
2055 getIntl().keyMapOn(false);
2058 case LFUN_KEYMAP_PRIMARY:
2059 getIntl().keyMapPrim();
2062 case LFUN_KEYMAP_SECONDARY:
2063 getIntl().keyMapSec();
2066 case LFUN_KEYMAP_TOGGLE:
2067 getIntl().toggleKeyMap();
2070 case LFUN_DIALOG_SHOW_NEW_INSET: {
2071 string const name = cmd.getArg(0);
2072 string data = trim(to_utf8(cmd.argument()).substr(name.size()));
2073 if (decodeInsetParam(name, data, buffer_))
2074 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, name + " " + data));
2076 lyxerr << "Inset type '" << name <<
2077 "' not recognized in LFUN_DIALOG_SHOW_NEW_INSET" << endl;
2081 case LFUN_CITATION_INSERT: {
2082 if (argument.empty()) {
2083 lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW_NEW_INSET, "citation"));
2086 // we can have one optional argument, delimited by '|'
2087 // citation-insert <key>|<text_before>
2088 // this should be enhanced to also support text_after
2089 // and citation style
2090 string arg = argument;
2092 if (contains(argument, "|")) {
2093 arg = token(argument, '|', 0);
2094 opt1 = token(argument, '|', 1);
2097 // if our cursor is directly in front of or behind a citation inset,
2098 // we will instead add the new key to it.
2099 Inset * inset = cur.nextInset();
2100 if (!inset || inset->lyxCode() != CITE_CODE)
2101 inset = cur.prevInset();
2102 if (inset && inset->lyxCode() == CITE_CODE) {
2103 InsetCitation * icite = static_cast<InsetCitation *>(inset);
2104 if (icite->addKey(arg)) {
2105 dr.forceBufferUpdate();
2106 dr.screenUpdate(Update::FitCursor | Update::SinglePar);
2108 LYXERR0("Discarding optional argument to citation-insert.");
2113 InsetCommandParams icp(CITE_CODE);
2114 icp["key"] = from_utf8(arg);
2116 icp["before"] = from_utf8(opt1);
2118 from_ascii(InsetCitation::last_literal ? "true" : "false");
2119 string icstr = InsetCommand::params2string(icp);
2120 FuncRequest fr(LFUN_INSET_INSERT, icstr);
2125 case LFUN_INSET_APPLY: {
2126 string const name = cmd.getArg(0);
2127 Inset * inset = editedInset(name);
2129 FuncRequest fr(LFUN_INSET_INSERT, cmd.argument());
2133 // put cursor in front of inset.
2134 if (!setCursorFromInset(inset)) {
2135 LASSERT(false, break);
2138 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument());
2139 inset->dispatch(cur, fr);
2140 dr.screenUpdate(cur.result().screenUpdate());
2141 if (cur.result().needBufferUpdate())
2142 dr.forceBufferUpdate();
2147 // The change of language of buffer belongs to the Buffer class.
2148 // We have to do it here because we need a cursor for Undo.
2149 // When Undo::recordUndoBufferParams() is implemented someday
2150 // LFUN_BUFFER_LANGUAGE should be handled by the Buffer class.
2151 case LFUN_BUFFER_LANGUAGE: {
2152 Language const * oldL = buffer_.params().language;
2153 Language const * newL = languages.getLanguage(argument);
2154 if (!newL || oldL == newL)
2156 if (oldL->rightToLeft() == newL->rightToLeft()) {
2157 cur.recordUndoFullBuffer();
2158 buffer_.changeLanguage(oldL, newL);
2159 cur.setCurrentFont();
2160 dr.forceBufferUpdate();
2165 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
2166 case LFUN_FILE_INSERT_PLAINTEXT: {
2167 bool const as_paragraph = (act == LFUN_FILE_INSERT_PLAINTEXT_PARA);
2168 string const fname = to_utf8(cmd.argument());
2169 if (!FileName::isAbsolute(fname))
2170 dr.setMessage(_("Absolute filename expected."));
2172 insertPlaintextFile(FileName(fname), as_paragraph);
2177 // OK, so try the Buffer itself...
2178 buffer_.dispatch(cmd, dr);
2179 dispatched = dr.dispatched();
2183 buffer_.undo().endUndoGroup();
2184 dr.dispatched(dispatched);
2186 // NOTE: The code below is copied from Cursor::dispatch. If you
2187 // need to modify this, please update the other one too.
2189 // notify insets we just entered/left
2190 if (cursor() != old) {
2191 old.beginUndoGroup();
2193 bool badcursor = notifyCursorLeavesOrEnters(old, cursor());
2195 cursor().fixIfBroken();
2196 resetInlineCompletionPos();
2203 docstring const BufferView::requestSelection()
2205 Cursor & cur = d->cursor_;
2207 LYXERR(Debug::SELECTION, "requestSelection: cur.selection: " << cur.selection());
2208 if (!cur.selection()) {
2209 d->xsel_cache_.set = false;
2213 LYXERR(Debug::SELECTION, "requestSelection: xsel_cache.set: " << d->xsel_cache_.set);
2214 if (!d->xsel_cache_.set ||
2215 cur.top() != d->xsel_cache_.cursor ||
2216 cur.realAnchor().top() != d->xsel_cache_.anchor)
2218 d->xsel_cache_.cursor = cur.top();
2219 d->xsel_cache_.anchor = cur.realAnchor().top();
2220 d->xsel_cache_.set = cur.selection();
2221 return cur.selectionAsString(false);
2227 void BufferView::clearSelection()
2229 d->cursor_.clearSelection();
2230 // Clear the selection buffer. Otherwise a subsequent
2231 // middle-mouse-button paste would use the selection buffer,
2232 // not the more current external selection.
2233 cap::clearSelection();
2234 d->xsel_cache_.set = false;
2235 // The buffer did not really change, but this causes the
2236 // redraw we need because we cleared the selection above.
2237 buffer_.changed(false);
2241 void BufferView::resize(int width, int height)
2243 // Update from work area
2247 // Clear the paragraph height cache.
2248 d->par_height_.clear();
2249 // Redo the metrics.
2254 Inset const * BufferView::getCoveringInset(Text const & text,
2257 TextMetrics & tm = d->text_metrics_[&text];
2258 Inset * inset = tm.checkInsetHit(x, y);
2262 if (!inset->descendable(*this))
2263 // No need to go further down if the inset is not
2267 size_t cell_number = inset->nargs();
2268 // Check all the inner cell.
2269 for (size_t i = 0; i != cell_number; ++i) {
2270 Text const * inner_text = inset->getText(i);
2273 Inset const * inset_deeper =
2274 getCoveringInset(*inner_text, x, y);
2276 return inset_deeper;
2284 void BufferView::updateHoveredInset() const
2286 // Get inset under mouse, if there is one.
2287 int const x = d->mouse_position_cache_.x_;
2288 int const y = d->mouse_position_cache_.y_;
2289 Inset const * covering_inset = getCoveringInset(buffer_.text(), x, y);
2291 d->clickable_inset_ = covering_inset && covering_inset->clickable(*this, x, y);
2293 if (covering_inset == d->last_inset_)
2294 // Same inset, no need to do anything...
2297 bool need_redraw = false;
2298 if (d->last_inset_) {
2299 // Remove the hint on the last hovered inset (if any).
2300 need_redraw |= d->last_inset_->setMouseHover(this, false);
2304 if (covering_inset && covering_inset->setMouseHover(this, true)) {
2306 // Only the insets that accept the hover state, do
2307 // clear the last_inset_, so only set the last_inset_
2308 // member if the hovered setting is accepted.
2309 d->last_inset_ = covering_inset;
2313 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
2314 << d->mouse_position_cache_.x_ << ", "
2315 << d->mouse_position_cache_.y_ << ")");
2317 d->update_strategy_ = DecorationUpdate;
2319 // This event (moving without mouse click) is not passed further.
2320 // This should be changed if it is further utilized.
2321 buffer_.changed(false);
2326 void BufferView::clearLastInset(Inset * inset) const
2328 if (d->last_inset_ != inset) {
2329 LYXERR0("Wrong last_inset!");
2336 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
2338 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
2340 // This is only called for mouse related events including
2341 // LFUN_FILE_OPEN generated by drag-and-drop.
2342 FuncRequest cmd = cmd0;
2344 Cursor old = cursor();
2346 cur.push(buffer_.inset());
2347 cur.selection(d->cursor_.selection());
2349 // Either the inset under the cursor or the
2350 // surrounding Text will handle this event.
2352 // make sure we stay within the screen...
2353 cmd.set_y(min(max(cmd.y(), -1), height_));
2355 d->mouse_position_cache_.x_ = cmd.x();
2356 d->mouse_position_cache_.y_ = cmd.y();
2358 if (cmd.action() == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
2359 updateHoveredInset();
2363 // Build temporary cursor.
2364 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x(), cmd.y());
2366 // If inset is not editable, cur.pos() might point behind the
2367 // inset (depending on cmd.x(), cmd.y()). This is needed for
2368 // editing to fix bug 9628, but e.g. the context menu needs a
2369 // cursor in front of the inset.
2370 if ((inset->hasSettings() || !inset->contextMenuName().empty()
2371 || inset->lyxCode() == SEPARATOR_CODE) &&
2372 cur.nextInset() != inset && cur.prevInset() == inset)
2374 } else if (cur.inTexted() && cur.pos()
2375 && cur.paragraph().isEnvSeparator(cur.pos() - 1)) {
2376 // Always place cursor in front of a separator inset.
2380 // Put anchor at the same position.
2383 cur.beginUndoGroup();
2385 // Try to dispatch to an non-editable inset near this position
2386 // via the temp cursor. If the inset wishes to change the real
2387 // cursor it has to do so explicitly by using
2388 // cur.bv().cursor() = cur; (or similar)
2390 inset->dispatch(cur, cmd);
2392 // Now dispatch to the temporary cursor. If the real cursor should
2393 // be modified, the inset's dispatch has to do so explicitly.
2394 if (!inset || !cur.result().dispatched())
2397 // Notify left insets
2399 bool badcursor = old.fixIfBroken() | cur.fixIfBroken();
2400 badcursor |= notifyCursorLeavesOrEnters(old, cur);
2402 cursor().fixIfBroken();
2407 // Do we have a selection?
2408 theSelection().haveSelection(cursor().selection());
2410 if (cur.needBufferUpdate()) {
2411 cur.clearBufferUpdate();
2412 buffer().updateBuffer();
2415 // If the command has been dispatched,
2416 if (cur.result().dispatched() || cur.result().screenUpdate())
2417 processUpdateFlags(cur.result().screenUpdate());
2421 int BufferView::minVisiblePart()
2423 return 2 * defaultRowHeight();
2427 int BufferView::scroll(int y)
2430 return scrollDown(y);
2432 return scrollUp(-y);
2437 int BufferView::scrollDown(int offset)
2439 Text * text = &buffer_.text();
2440 TextMetrics & tm = d->text_metrics_[text];
2441 int const ymax = height_ + offset;
2443 pair<pit_type, ParagraphMetrics const *> last = tm.last();
2444 int bottom_pos = last.second->position() + last.second->descent();
2445 if (lyxrc.scroll_below_document)
2446 bottom_pos += height_ - minVisiblePart();
2447 if (last.first + 1 == int(text->paragraphs().size())) {
2448 if (bottom_pos <= height_)
2450 offset = min(offset, bottom_pos - height_);
2453 if (bottom_pos > ymax)
2455 tm.newParMetricsDown();
2457 d->anchor_ypos_ -= offset;
2462 int BufferView::scrollUp(int offset)
2464 Text * text = &buffer_.text();
2465 TextMetrics & tm = d->text_metrics_[text];
2466 int ymin = - offset;
2468 pair<pit_type, ParagraphMetrics const *> first = tm.first();
2469 int top_pos = first.second->position() - first.second->ascent();
2470 if (first.first == 0) {
2473 offset = min(offset, - top_pos);
2478 tm.newParMetricsUp();
2480 d->anchor_ypos_ += offset;
2485 bool BufferView::setCursorFromRow(int row)
2487 TexRow::TextEntry start, end;
2488 tie(start,end) = buffer_.texrow().getEntriesFromRow(row);
2489 LYXERR(Debug::LATEX,
2490 "setCursorFromRow: for row " << row << ", TexRow has found "
2491 "start (id=" << start.id << ",pos=" << start.pos << "), "
2492 "end (id=" << end.id << ",pos=" << end.pos << ")");
2493 return setCursorFromEntries(start, end);
2497 bool BufferView::setCursorFromEntries(TexRow::TextEntry start,
2498 TexRow::TextEntry end)
2500 DocIterator dit_start, dit_end;
2501 tie(dit_start,dit_end) =
2502 TexRow::getDocIteratorsFromEntries(start, end, buffer_);
2505 // Setting selection start
2506 d->cursor_.clearSelection();
2507 setCursor(dit_start);
2508 // Setting selection end
2510 d->cursor_.resetAnchor();
2511 setCursorSelectionTo(dit_end);
2517 bool BufferView::setCursorFromInset(Inset const * inset)
2519 // are we already there?
2520 if (cursor().nextInset() == inset)
2523 // Inset is not at cursor position. Find it in the document.
2526 while (cur && cur.nextInset() != inset)
2537 void BufferView::gotoLabel(docstring const & label)
2540 bool have_inactive = false;
2541 for (Buffer const * buf : buffer().allRelatives()) {
2543 for (TocItem const & item : *buf->tocBackend().toc("label")) {
2544 if (label == item.str() && item.isOutput()) {
2545 lyx::dispatch(item.action());
2548 // If we find an inactive label, save it for the case
2549 // that no active one is there
2550 if (label == item.str() && !have_inactive) {
2551 have_inactive = true;
2552 action = item.action();
2556 // We only found an inactive label. Go there.
2558 lyx::dispatch(action);
2562 TextMetrics const & BufferView::textMetrics(Text const * t) const
2564 return const_cast<BufferView *>(this)->textMetrics(t);
2568 TextMetrics & BufferView::textMetrics(Text const * t)
2571 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
2572 if (tmc_it == d->text_metrics_.end()) {
2573 tmc_it = d->text_metrics_.emplace(std::piecewise_construct,
2574 std::forward_as_tuple(t),
2575 std::forward_as_tuple(this, const_cast<Text *>(t))).first;
2577 return tmc_it->second;
2581 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
2584 return textMetrics(t).parMetrics(pit);
2588 int BufferView::workHeight() const
2594 void BufferView::setCursor(DocIterator const & dit)
2597 size_t const n = dit.depth();
2598 for (size_t i = 0; i < n; ++i)
2599 dit[i].inset().edit(d->cursor_, true);
2601 d->cursor_.setCursor(dit);
2602 d->cursor_.selection(false);
2603 d->cursor_.setCurrentFont();
2605 // It seems on general grounds as if this is probably needed, but
2606 // it is not yet clear.
2607 // See bug #7394 and r38388.
2608 // d->cursor.resetAnchor();
2612 void BufferView::setCursorSelectionTo(DocIterator const & dit)
2614 size_t const n = dit.depth();
2615 for (size_t i = 0; i < n; ++i)
2616 dit[i].inset().edit(d->cursor_, true);
2618 d->cursor_.selection(true);
2619 d->cursor_.setCursorSelectionTo(dit);
2620 d->cursor_.setCurrentFont();
2624 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
2626 // Would be wrong to delete anything if we have a selection.
2627 if (cur.selection())
2630 bool need_anchor_change = false;
2631 bool changed = Text::deleteEmptyParagraphMechanism(cur, old,
2632 need_anchor_change);
2634 if (need_anchor_change)
2642 // we would rather not do this here, but it needs to be done before
2643 // the changed() signal is sent.
2644 buffer_.updateBuffer();
2646 buffer_.changed(true);
2651 bool BufferView::mouseSetCursor(Cursor & cur, bool const select)
2653 LASSERT(&cur.bv() == this, return false);
2656 // this event will clear selection so we save selection for
2657 // persistent selection
2658 cap::saveSelection(cursor());
2660 d->cursor_.macroModeClose();
2661 // If a macro has been finalized, the cursor might have been broken
2664 // Has the cursor just left the inset?
2665 bool const leftinset = (&d->cursor_.inset() != &cur.inset());
2667 d->cursor_.fixIfBroken();
2669 // do the dEPM magic if needed
2670 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
2671 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
2672 // the leftinset bool would not be necessary (badcursor instead).
2673 bool update = leftinset;
2676 d->cursor_.setSelection();
2677 d->cursor_.setCursorSelectionTo(cur);
2679 if (d->cursor_.inTexted())
2680 update |= checkDepm(cur, d->cursor_);
2681 d->cursor_.resetAnchor();
2682 d->cursor_.setCursor(cur);
2683 d->cursor_.clearSelection();
2685 d->cursor_.boundary(cur.boundary());
2686 d->cursor_.finishUndo();
2687 d->cursor_.setCurrentFont();
2689 cur.forceBufferUpdate();
2694 void BufferView::putSelectionAt(DocIterator const & cur,
2695 int length, bool backwards)
2697 d->cursor_.clearSelection();
2703 d->cursor_.pos() += length;
2704 d->cursor_.setSelection(d->cursor_, -length);
2706 d->cursor_.setSelection(d->cursor_, length);
2711 bool BufferView::selectIfEmpty(DocIterator & cur)
2713 if ((cur.inTexted() && !cur.paragraph().empty())
2714 || (cur.inMathed() && !cur.cell().empty()))
2717 pit_type const beg_pit = cur.pit();
2719 // The paragraph associated to this item isn't
2720 // the first one, so it can be selected
2723 // We have to resort to select the space between the
2724 // end of this item and the begin of the next one
2728 // If it is the only item in the document,
2729 // nothing can be selected
2732 pit_type const end_pit = cur.pit();
2733 pos_type const end_pos = cur.pos();
2734 d->cursor_.clearSelection();
2736 d->cursor_.setCursor(cur);
2737 d->cursor_.pit() = beg_pit;
2738 d->cursor_.pos() = 0;
2739 d->cursor_.selection(false);
2740 d->cursor_.resetAnchor();
2741 d->cursor_.pit() = end_pit;
2742 d->cursor_.pos() = end_pos;
2743 d->cursor_.setSelection();
2748 Cursor & BufferView::cursor()
2754 Cursor const & BufferView::cursor() const
2760 bool BufferView::singleParUpdate()
2762 Text & buftext = buffer_.text();
2763 pit_type const bottom_pit = d->cursor_.bottom().pit();
2764 TextMetrics & tm = textMetrics(&buftext);
2765 int old_height = tm.parMetrics(bottom_pit).height();
2767 // make sure inline completion pointer is ok
2768 if (d->inlineCompletionPos_.fixIfBroken())
2769 d->inlineCompletionPos_ = DocIterator();
2771 // In Single Paragraph mode, rebreak only
2772 // the (main text, not inset!) paragraph containing the cursor.
2773 // (if this paragraph contains insets etc., rebreaking will
2774 // recursively descend)
2775 tm.redoParagraph(bottom_pit);
2776 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
2777 if (pm.height() != old_height)
2778 // Paragraph height has changed so we cannot proceed to
2779 // the singlePar optimisation.
2782 tm.updatePosCache(bottom_pit);
2784 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
2785 << " y2: " << pm.position() + pm.descent()
2786 << " pit: " << bottom_pit
2787 << " singlepar: 1");
2792 void BufferView::updateMetrics()
2794 updateMetrics(d->update_flags_);
2795 d->update_strategy_ = FullScreenUpdate;
2799 void BufferView::updateMetrics(Update::flags & update_flags)
2801 if (height_ == 0 || width_ == 0)
2804 Text & buftext = buffer_.text();
2805 pit_type const npit = int(buftext.paragraphs().size());
2807 // Clear out the position cache in case of full screen redraw,
2808 d->coord_cache_.clear();
2809 d->math_rows_.clear();
2811 // Clear out paragraph metrics to avoid having invalid metrics
2812 // in the cache from paragraphs not relayouted below
2813 // The complete text metrics will be redone.
2814 d->text_metrics_.clear();
2816 TextMetrics & tm = textMetrics(&buftext);
2818 // make sure inline completion pointer is ok
2819 if (d->inlineCompletionPos_.fixIfBroken())
2820 d->inlineCompletionPos_ = DocIterator();
2822 if (d->anchor_pit_ >= npit)
2823 // The anchor pit must have been deleted...
2824 d->anchor_pit_ = npit - 1;
2826 // Rebreak anchor paragraph.
2827 tm.redoParagraph(d->anchor_pit_);
2828 ParagraphMetrics & anchor_pm = tm.par_metrics_[d->anchor_pit_];
2831 if (d->anchor_pit_ == 0) {
2832 int scrollRange = d->scrollbarParameters_.max - d->scrollbarParameters_.min;
2834 // Complete buffer visible? Then it's easy.
2835 if (scrollRange == 0)
2836 d->anchor_ypos_ = anchor_pm.ascent();
2838 // avoid empty space above the first row
2839 d->anchor_ypos_ = min(d->anchor_ypos_, anchor_pm.ascent());
2842 anchor_pm.setPosition(d->anchor_ypos_);
2843 tm.updatePosCache(d->anchor_pit_);
2845 LYXERR(Debug::PAINTING, "metrics: "
2846 << " anchor pit = " << d->anchor_pit_
2847 << " anchor ypos = " << d->anchor_ypos_);
2849 // Redo paragraphs above anchor if necessary.
2850 int y1 = d->anchor_ypos_ - anchor_pm.ascent();
2851 // We are now just above the anchor paragraph.
2852 pit_type pit1 = d->anchor_pit_ - 1;
2853 for (; pit1 >= 0 && y1 >= 0; --pit1) {
2854 tm.redoParagraph(pit1);
2855 ParagraphMetrics & pm = tm.par_metrics_[pit1];
2857 // Save the paragraph position in the cache.
2859 tm.updatePosCache(pit1);
2863 // Redo paragraphs below the anchor if necessary.
2864 int y2 = d->anchor_ypos_ + anchor_pm.descent();
2865 // We are now just below the anchor paragraph.
2866 pit_type pit2 = d->anchor_pit_ + 1;
2867 for (; pit2 < npit && y2 <= height_; ++pit2) {
2868 tm.redoParagraph(pit2);
2869 ParagraphMetrics & pm = tm.par_metrics_[pit2];
2871 // Save the paragraph position in the cache.
2873 tm.updatePosCache(pit2);
2877 LYXERR(Debug::PAINTING, "Metrics: "
2878 << " anchor pit = " << d->anchor_pit_
2879 << " anchor ypos = " << d->anchor_ypos_
2882 << " pit1 = " << pit1
2883 << " pit2 = " << pit2);
2885 // metrics is done, full drawing is necessary now
2886 update_flags = (update_flags & ~Update::Force) | Update::ForceDraw;
2888 // Now update the positions of insets in the cache.
2891 if (lyxerr.debugging(Debug::WORKAREA)) {
2892 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
2893 d->coord_cache_.dump();
2898 void BufferView::updatePosCache()
2900 // this is the "nodraw" drawing stage: only set the positions of the
2901 // insets in metrics cache.
2902 frontend::NullPainter np;
2907 void BufferView::insertLyXFile(FileName const & fname, bool const ignorelang)
2909 LASSERT(d->cursor_.inTexted(), return);
2911 // Get absolute path of file and add ".lyx"
2912 // to the filename if necessary
2913 FileName filename = fileSearch(string(), fname.absFileName(), "lyx");
2915 docstring const disp_fn = makeDisplayPath(filename.absFileName());
2916 // emit message signal.
2917 message(bformat(_("Inserting document %1$s..."), disp_fn));
2920 Buffer buf(filename.absFileName(), false);
2921 if (buf.loadLyXFile() == Buffer::ReadSuccess) {
2922 ErrorList & el = buffer_.errorList("Parse");
2923 // Copy the inserted document error list into the current buffer one.
2924 el = buf.errorList("Parse");
2925 ParagraphList & pars = buf.paragraphs();
2927 // set main language of imported file to context language
2928 buf.changeLanguage(buf.language(), d->cursor_.getFont().language());
2929 buffer_.undo().recordUndo(d->cursor_);
2930 cap::pasteParagraphList(d->cursor_, pars,
2931 buf.params().documentClassPtr(), el);
2932 res = _("Document %1$s inserted.");
2934 res = _("Could not insert document %1$s");
2937 buffer_.changed(true);
2938 // emit message signal.
2939 message(bformat(res, disp_fn));
2943 Point BufferView::coordOffset(DocIterator const & dit) const
2949 // Addup contribution of nested insets, from inside to outside,
2950 // keeping the outer paragraph for a special handling below
2951 for (size_t i = dit.depth() - 1; i >= 1; --i) {
2952 CursorSlice const & sl = dit[i];
2956 // get relative position inside sl.inset()
2957 sl.inset().cursorPos(*this, sl, dit.boundary() && (i + 1 == dit.depth()), xx, yy);
2959 // Make relative position inside of the edited inset relative to sl.inset()
2963 // In case of an RTL inset, the edited inset will be positioned to the left
2966 bool boundary_i = dit.boundary() && i + 1 == dit.depth();
2967 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
2972 // remember width for the case that sl.inset() is positioned in an RTL inset
2973 lastw = sl.inset().dimension(*this).wid;
2975 //lyxerr << "Cursor::getPos, i: "
2976 // << i << " x: " << xx << " y: " << y << endl;
2979 // Add contribution of initial rows of outermost paragraph
2980 CursorSlice const & sl = dit[0];
2981 TextMetrics const & tm = textMetrics(sl.text());
2982 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
2984 LBUFERR(!pm.rows().empty());
2985 y -= pm.rows()[0].ascent();
2987 // FIXME: document this mess
2989 if (sl.pos() > 0 && dit.depth() == 1) {
2991 if (pos && dit.boundary())
2993 // lyxerr << "coordOffset: boundary:" << dit.boundary() << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
2994 rend = pm.pos2row(pos);
2996 rend = pm.pos2row(sl.pos());
2998 size_t rend = pm.pos2row(sl.pos());
3000 for (size_t rit = 0; rit != rend; ++rit)
3001 y += pm.rows()[rit].height();
3002 y += pm.rows()[rend].ascent();
3004 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
3006 // Make relative position from the nested inset now bufferview absolute.
3007 int xx = bottom_tm.cursorX(dit.bottom(), dit.boundary() && dit.depth() == 1);
3010 // In the RTL case place the nested inset at the left of the cursor in
3011 // the outer paragraph
3012 bool boundary_1 = dit.boundary() && 1 == dit.depth();
3013 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
3021 Point BufferView::getPos(DocIterator const & dit) const
3023 if (!paragraphVisible(dit))
3024 return Point(-1, -1);
3026 CursorSlice const & bot = dit.bottom();
3027 TextMetrics const & tm = textMetrics(bot.text());
3029 // offset from outer paragraph
3030 Point p = coordOffset(dit);
3031 p.y_ += tm.parMetrics(bot.pit()).position();
3036 bool BufferView::paragraphVisible(DocIterator const & dit) const
3038 CursorSlice const & bot = dit.bottom();
3039 TextMetrics const & tm = textMetrics(bot.text());
3041 return tm.contains(bot.pit());
3045 void BufferView::caretPosAndHeight(Point & p, int & h) const
3048 Cursor const & cur = cursor();
3049 if (cur.inMathed()) {
3050 MathRow const & mrow = mathRow(&cur.cell());
3051 asc = mrow.caret_ascent;
3052 des = mrow.caret_descent;
3054 Font const font = cur.real_current_font;
3055 frontend::FontMetrics const & fm = theFontMetrics(font);
3056 asc = fm.maxAscent();
3057 des = fm.maxDescent();
3065 bool BufferView::caretInView() const
3067 if (!paragraphVisible(cursor()))
3071 caretPosAndHeight(p, h);
3073 // does the cursor touch the screen ?
3074 if (p.y_ + h < 0 || p.y_ >= workHeight())
3080 int BufferView::horizScrollOffset() const
3082 return d->horiz_scroll_offset_;
3086 int BufferView::horizScrollOffset(Text const * text,
3087 pit_type pit, pos_type pos) const
3089 // Is this a row that is currently scrolled?
3090 if (!d->current_row_slice_.empty()
3091 && &text->inset() == d->current_row_slice_.inset().asInsetText()
3092 && pit == d->current_row_slice_.pit()
3093 && pos == d->current_row_slice_.pos())
3094 return d->horiz_scroll_offset_;
3099 void BufferView::setCurrentRowSlice(CursorSlice const & rowSlice)
3101 // nothing to do if the cursor was already on this row
3102 if (d->current_row_slice_ == rowSlice)
3105 // if the (previous) current row was scrolled, we have to
3106 // remember it in order to repaint it next time.
3107 if (d->horiz_scroll_offset_ != 0) {
3108 // search the old row in cache and mark it changed
3109 for (auto & tm_pair : d->text_metrics_) {
3110 if (&tm_pair.first->inset() == rowSlice.inset().asInsetText()) {
3111 tm_pair.second.setRowChanged(rowSlice.pit(), rowSlice.pos());
3112 // We found it, no need to continue.
3118 // Since we changed row, the scroll offset is not valid anymore
3119 d->horiz_scroll_offset_ = 0;
3120 d->current_row_slice_ = rowSlice;
3124 void BufferView::checkCursorScrollOffset()
3126 CursorSlice rowSlice = d->cursor_.bottom();
3127 TextMetrics const & tm = textMetrics(rowSlice.text());
3129 // Stop if metrics have not been computed yet, since it means
3130 // that there is nothing to do.
3131 if (!tm.contains(rowSlice.pit()))
3133 ParagraphMetrics const & pm = tm.parMetrics(rowSlice.pit());
3134 Row const & row = pm.getRow(rowSlice.pos(),
3135 d->cursor_.boundary() && rowSlice == d->cursor_.top());
3136 rowSlice.pos() = row.pos();
3138 // Set the row on which the cursor lives.
3139 setCurrentRowSlice(rowSlice);
3141 // Current x position of the cursor in pixels
3142 int cur_x = getPos(d->cursor_).x_;
3144 // Horizontal scroll offset of the cursor row in pixels
3145 int offset = d->horiz_scroll_offset_;
3146 int const MARGIN = 2 * theFontMetrics(d->cursor_.real_current_font).em()
3148 if (row.right_x() <= workWidth() - row.right_margin) {
3149 // Row is narrower than the work area, no offset needed.
3152 if (cur_x - offset < MARGIN) {
3153 // cursor would be too far right
3154 offset = cur_x - MARGIN;
3155 } else if (cur_x - offset > workWidth() - MARGIN) {
3156 // cursor would be too far left
3157 offset = cur_x - workWidth() + MARGIN;
3159 // Correct the offset to make sure that we do not scroll too much
3162 if (row.right_x() - offset < workWidth() - row.right_margin)
3163 offset = row.right_x() - workWidth() + row.right_margin;
3166 //lyxerr << "cur_x=" << cur_x << ", offset=" << offset << ", row.wid=" << row.width() << ", margin=" << MARGIN << endl;
3168 if (offset != d->horiz_scroll_offset_)
3169 LYXERR(Debug::PAINTING, "Horiz. scroll offset changed from "
3170 << d->horiz_scroll_offset_ << " to " << offset);
3172 if (d->update_strategy_ == NoScreenUpdate
3173 && offset != d->horiz_scroll_offset_) {
3174 // FIXME: if one uses SingleParUpdate, then home/end
3175 // will not work on long rows. Why?
3176 d->update_strategy_ = FullScreenUpdate;
3179 d->horiz_scroll_offset_ = offset;
3183 void BufferView::draw(frontend::Painter & pain, bool paint_caret)
3185 if (height_ == 0 || width_ == 0)
3187 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t--- START NODRAW ---"
3188 : "\t\t*** START DRAWING ***"));
3189 Text & text = buffer_.text();
3190 TextMetrics const & tm = d->text_metrics_[&text];
3191 int const y = tm.first().second->position();
3192 PainterInfo pi(this, pain);
3194 // Check whether the row where the cursor lives needs to be scrolled.
3195 // Update the drawing strategy if needed.
3196 checkCursorScrollOffset();
3198 switch (d->update_strategy_) {
3200 case NoScreenUpdate:
3201 // no screen painting is actually needed. In nodraw stage
3202 // however, the different coordinates of insets and paragraphs
3203 // needs to be updated.
3204 LYXERR(Debug::PAINTING, "Strategy: NoScreenUpdate");
3205 if (pain.isNull()) {
3206 pi.full_repaint = true;
3209 pi.full_repaint = false;
3214 case SingleParUpdate:
3215 pi.full_repaint = false;
3216 LYXERR(Debug::PAINTING, "Strategy: SingleParUpdate");
3217 // In general, only the current row of the outermost paragraph
3218 // will be redrawn. Particular cases where selection spans
3219 // multiple paragraph are correctly detected in TextMetrics.
3223 case DecorationUpdate:
3224 // FIXME: We should also distinguish DecorationUpdate to avoid text
3225 // drawing if possible. This is not possible to do easily right now
3226 // because of the single backing pixmap.
3228 case FullScreenUpdate:
3230 LYXERR(Debug::PAINTING,
3231 ((d->update_strategy_ == FullScreenUpdate)
3232 ? "Strategy: FullScreenUpdate"
3233 : "Strategy: DecorationUpdate"));
3235 // The whole screen, including insets, will be refreshed.
3236 pi.full_repaint = true;
3238 // Clear background.
3239 pain.fillRectangle(0, 0, width_, height_,
3240 pi.backgroundColor(&buffer_.inset()));
3245 // and possibly grey out below
3246 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3247 int const y2 = lastpm.second->position() + lastpm.second->descent();
3250 Color color = buffer().isInternal()
3251 ? Color_background : Color_bottomarea;
3252 pain.fillRectangle(0, y2, width_, height_ - y2, color);
3256 LYXERR(Debug::PAINTING, (pain.isNull() ? "\t\t --- END NODRAW ---"
3257 : "\t\t *** END DRAWING ***"));
3259 // The scrollbar needs an update.
3262 // Normalize anchor for next time
3263 pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
3264 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
3265 for (pit_type pit = firstpm.first; pit <= lastpm.first; ++pit) {
3266 ParagraphMetrics const & pm = tm.parMetrics(pit);
3267 if (pm.position() + pm.descent() > 0) {
3268 if (d->anchor_pit_ != pit
3269 || d->anchor_ypos_ != pm.position())
3270 LYXERR(Debug::PAINTING, "Found new anchor pit = " << d->anchor_pit_
3271 << " anchor ypos = " << d->anchor_ypos_);
3272 d->anchor_pit_ = pit;
3273 d->anchor_ypos_ = pm.position();
3277 if (!pain.isNull()) {
3278 // reset the update flags, everything has been done
3279 d->update_flags_ = Update::None;
3282 // If a caret has to be painted, mark its text row as dirty to
3283 //make sure that it will be repainted on next redraw.
3284 /* FIXME: investigate whether this can be avoided when the cursor did not
3288 Row const & caret_row = d->cursor_.textRow();
3289 caret_row.changed(true);
3294 void BufferView::message(docstring const & msg)
3297 d->gui_->message(msg);
3301 void BufferView::showDialog(string const & name)
3304 d->gui_->showDialog(name, string());
3308 void BufferView::showDialog(string const & name,
3309 string const & data, Inset * inset)
3312 d->gui_->showDialog(name, data, inset);
3316 void BufferView::updateDialog(string const & name, string const & data)
3319 d->gui_->updateDialog(name, data);
3323 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
3329 // FIXME: Move this out of BufferView again
3330 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
3332 if (!fname.isReadableFile()) {
3333 docstring const error = from_ascii(strerror(errno));
3334 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3335 docstring const text =
3336 bformat(_("Could not read the specified document\n"
3337 "%1$s\ndue to the error: %2$s"), file, error);
3338 Alert::error(_("Could not read file"), text);
3342 if (!fname.isReadableFile()) {
3343 docstring const file = makeDisplayPath(fname.absFileName(), 50);
3344 docstring const text =
3345 bformat(_("%1$s\n is not readable."), file);
3346 Alert::error(_("Could not open file"), text);
3350 // FIXME UNICODE: We don't know the encoding of the file
3351 docstring file_content = fname.fileContents("UTF-8");
3352 if (file_content.empty()) {
3353 Alert::error(_("Reading not UTF-8 encoded file"),
3354 _("The file is not UTF-8 encoded.\n"
3355 "It will be read as local 8Bit-encoded.\n"
3356 "If this does not give the correct result\n"
3357 "then please change the encoding of the file\n"
3358 "to UTF-8 with a program other than LyX.\n"));
3359 file_content = fname.fileContents("local8bit");
3362 return normalize_c(file_content);
3366 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
3368 docstring const tmpstr = contentsOfPlaintextFile(f);
3373 Cursor & cur = cursor();
3374 cap::replaceSelection(cur);
3375 buffer_.undo().recordUndo(cur);
3377 cur.innerText()->insertStringAsParagraphs(cur, tmpstr, cur.current_font);
3379 cur.innerText()->insertStringAsLines(cur, tmpstr, cur.current_font);
3381 buffer_.changed(true);
3385 docstring const & BufferView::inlineCompletion() const
3387 return d->inlineCompletion_;
3391 size_t const & BufferView::inlineCompletionUniqueChars() const
3393 return d->inlineCompletionUniqueChars_;
3397 DocIterator const & BufferView::inlineCompletionPos() const
3399 return d->inlineCompletionPos_;
3403 void BufferView::resetInlineCompletionPos()
3405 d->inlineCompletionPos_ = DocIterator();
3409 bool samePar(DocIterator const & a, DocIterator const & b)
3411 if (a.empty() && b.empty())
3413 if (a.empty() || b.empty())
3415 if (a.depth() != b.depth())
3417 return &a.innerParagraph() == &b.innerParagraph();
3421 void BufferView::setInlineCompletion(Cursor const & cur, DocIterator const & pos,
3422 docstring const & completion, size_t uniqueChars)
3424 uniqueChars = min(completion.size(), uniqueChars);
3425 bool changed = d->inlineCompletion_ != completion
3426 || d->inlineCompletionUniqueChars_ != uniqueChars;
3427 bool singlePar = true;
3428 d->inlineCompletion_ = completion;
3429 d->inlineCompletionUniqueChars_ = min(completion.size(), uniqueChars);
3431 //lyxerr << "setInlineCompletion pos=" << pos << " completion=" << completion << " uniqueChars=" << uniqueChars << std::endl;
3434 DocIterator const & old = d->inlineCompletionPos_;
3436 //lyxerr << "inlineCompletionPos changed" << std::endl;
3437 // old or pos are in another paragraph?
3438 if ((!samePar(cur, pos) && !pos.empty())
3439 || (!samePar(cur, old) && !old.empty())) {
3441 //lyxerr << "different paragraph" << std::endl;
3443 d->inlineCompletionPos_ = pos;
3448 if (singlePar && !(cur.result().screenUpdate() & Update::Force))
3449 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::SinglePar);
3451 cur.screenUpdateFlags(cur.result().screenUpdate() | Update::Force);
3456 bool BufferView::clickableInset() const
3458 return d->clickable_inset_;