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"
20 #include "buffer_funcs.h"
21 #include "BufferList.h"
22 #include "BufferParams.h"
23 #include "CoordCache.h"
25 #include "CutAndPaste.h"
26 #include "DispatchResult.h"
27 #include "EmbeddedFiles.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"
42 #include "MetricsInfo.h"
43 #include "Paragraph.h"
44 #include "paragraph_funcs.h"
45 #include "ParagraphParameters.h"
46 #include "ParIterator.h"
49 #include "TextClass.h"
50 #include "TextMetrics.h"
53 #include "WordLangTuple.h"
55 #include "insets/InsetBibtex.h"
56 #include "insets/InsetCommand.h" // ChangeRefs
57 #include "insets/InsetRef.h"
58 #include "insets/InsetText.h"
60 #include "frontends/alert.h"
61 #include "frontends/Delegates.h"
62 #include "frontends/FontMetrics.h"
63 #include "frontends/Painter.h"
64 #include "frontends/Selection.h"
66 #include "graphics/Previews.h"
68 #include "support/convert.h"
69 #include "support/debug.h"
70 #include "support/FileFilterList.h"
71 #include "support/filetools.h"
72 #include "support/gettext.h"
73 #include "support/lstrings.h"
74 #include "support/Package.h"
75 #include "support/types.h"
84 using namespace lyx::support;
88 namespace Alert = frontend::Alert;
92 /// Return an inset of this class if it exists at the current cursor position
94 T * getInsetByCode(Cursor const & cur, InsetCode code)
97 Inset * inset = it.nextInset();
98 if (inset && inset->lyxCode() == code)
99 return static_cast<T*>(inset);
104 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
107 bool findNextInset(DocIterator & dit, vector<InsetCode> const & codes,
108 docstring const & contents)
110 DocIterator tmpdit = dit;
113 Inset const * inset = tmpdit.nextInset();
115 && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()
116 && (contents.empty() ||
117 static_cast<InsetCommand const *>(inset)->getFirstNonOptParam() == contents)) {
121 tmpdit.forwardInset();
128 /// Looks for next inset with one of the given codes.
129 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
133 DocIterator tmpdit = dit;
134 tmpdit.forwardInset();
139 Inset const * inset = tmpdit.nextInset();
141 && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()) {
142 contents = static_cast<InsetCommand const *>(inset)->getFirstNonOptParam();
146 if (!findNextInset(tmpdit, codes, contents)) {
147 if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
148 tmpdit = doc_iterator_begin(tmpdit.bottom().inset());
149 if (!findNextInset(tmpdit, codes, contents))
160 /// Looks for next inset with the given code
161 void findInset(DocIterator & dit, InsetCode code, bool same_content)
163 findInset(dit, vector<InsetCode>(1, code), same_content);
167 /// Moves cursor to the next inset with one of the given codes.
168 void gotoInset(BufferView * bv, vector<InsetCode> const & codes,
171 Cursor tmpcur = bv->cursor();
172 if (!findInset(tmpcur, codes, same_content)) {
173 bv->cursor().message(_("No more insets"));
177 tmpcur.clearSelection();
178 bv->setCursor(tmpcur);
182 /// Moves cursor to the next inset with given code.
183 void gotoInset(BufferView * bv, InsetCode code, bool same_content)
185 gotoInset(bv, vector<InsetCode>(1, code), same_content);
189 /// A map from a Text to the associated text metrics
190 typedef map<Text const *, TextMetrics> TextMetricsCache;
192 enum ScreenUpdateStrategy {
202 /////////////////////////////////////////////////////////////////////
206 /////////////////////////////////////////////////////////////////////
208 struct BufferView::Private
210 Private(BufferView & bv): wh_(0), cursor_(bv),
211 anchor_ref_(0), offset_ref_(0), need_centering_(false),
212 last_inset_(0), gui_(0)
216 ScrollbarParameters scrollbarParameters_;
218 ScreenUpdateStrategy update_strategy_;
220 CoordCache coord_cache_;
222 /// Estimated average par height for scrollbar.
224 /// this is used to handle XSelection events in the right manner.
233 pit_type anchor_ref_;
237 bool need_centering_;
239 /// keyboard mapping object.
242 /// last visited inset.
243 /** kept to send setMouseHover(false).
244 * Not owned, so don't delete.
248 mutable TextMetricsCache text_metrics_;
251 /** Not owned, so don't delete.
253 frontend::GuiBufferViewDelegate * gui_;
257 BufferView::BufferView(Buffer & buf)
258 : width_(0), height_(0), buffer_(buf), d(new Private(*this))
260 d->xsel_cache_.set = false;
261 d->intl_.initKeyMapper(lyxrc.use_kbmap);
263 d->cursor_.push(buffer_.inset());
264 d->cursor_.resetAnchor();
265 d->cursor_.setCurrentFont();
267 if (graphics::Previews::status() != LyXRC::PREVIEW_OFF)
268 graphics::Previews::get().generateBufferPreviews(buffer_);
272 BufferView::~BufferView()
274 // current buffer is going to be switched-off, save cursor pos
275 // Ideally, the whole cursor stack should be saved, but session
276 // currently can only handle bottom (whole document) level pit and pos.
277 // That is to say, if a cursor is in a nested inset, it will be
278 // restore to the left of the top level inset.
279 LastFilePosSection::FilePos fp;
280 fp.pit = d->cursor_.bottom().pit();
281 fp.pos = d->cursor_.bottom().pos();
282 LyX::ref().session().lastFilePos().save(buffer_.fileName(), fp);
288 Intl & BufferView::getIntl()
294 Intl const & BufferView::getIntl() const
300 CoordCache & BufferView::coordCache()
302 return d->coord_cache_;
306 CoordCache const & BufferView::coordCache() const
308 return d->coord_cache_;
312 Buffer & BufferView::buffer()
318 Buffer const & BufferView::buffer() const
324 bool BufferView::fitCursor()
326 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
327 frontend::FontMetrics const & fm =
328 theFontMetrics(d->cursor_.getFont().fontInfo());
329 int const asc = fm.maxAscent();
330 int const des = fm.maxDescent();
331 Point const p = getPos(d->cursor_, d->cursor_.boundary());
332 if (p.y_ - asc >= 0 && p.y_ + des < height_)
340 void BufferView::processUpdateFlags(Update::flags flags)
342 // last_inset_ points to the last visited inset. This pointer may become
343 // invalid because of keyboard editing. Since all such operations
344 // causes screen update(), I reset last_inset_ to avoid such a problem.
346 // This is close to a hot-path.
347 LYXERR(Debug::DEBUG, "BufferView::processUpdateFlags()"
348 << "[fitcursor = " << (flags & Update::FitCursor)
349 << ", forceupdate = " << (flags & Update::Force)
350 << ", singlepar = " << (flags & Update::SinglePar)
351 << "] buffer: " << &buffer_);
353 // Update macro store
354 if (!(cursor().inMathed() && cursor().inMacroMode()))
355 buffer_.updateMacros();
357 // Now do the first drawing step if needed. This consists on updating
358 // the CoordCache in updateMetrics().
359 // The second drawing step is done in WorkArea::redraw() if needed.
361 // Case when no explicit update is requested.
363 // no need to redraw anything.
364 d->update_strategy_ = NoScreenUpdate;
368 if (flags == Update::Decoration) {
369 d->update_strategy_ = DecorationUpdate;
374 if (flags == Update::FitCursor
375 || flags == (Update::Decoration | Update::FitCursor)) {
376 bool const fit_cursor = fitCursor();
377 // tell the frontend to update the screen if needed.
383 if (flags & Update::Decoration) {
384 d->update_strategy_ = DecorationUpdate;
388 // no screen update is needed.
389 d->update_strategy_ = NoScreenUpdate;
393 bool const full_metrics = flags & Update::Force;
395 if (full_metrics || !singleParUpdate())
396 // We have to update the full screen metrics.
399 if (!(flags & Update::FitCursor)) {
404 //FIXME: updateMetrics() does not update paragraph position
405 // This is done at draw() time. So we need a redraw!
408 // The screen has already been updated thanks to the
409 // 'buffer_.changed()' call three line above. So no need
413 // The screen has been recentered around the cursor position so
420 void BufferView::updateScrollbar()
422 Text & t = buffer_.text();
423 TextMetrics & tm = d->text_metrics_[&t];
425 int const parsize = int(t.paragraphs().size() - 1);
426 if (d->anchor_ref_ > parsize) {
427 d->anchor_ref_ = parsize;
431 LYXERR(Debug::GUI, " Updating scrollbar: height: "
432 << t.paragraphs().size()
433 << " curr par: " << d->cursor_.bottom().pit()
434 << " default height " << defaultRowHeight());
436 // It would be better to fix the scrollbar to understand
437 // values in [0..1] and divide everything by wh
439 // estimated average paragraph height:
441 d->wh_ = height_ / 4;
443 int h = tm.parMetrics(d->anchor_ref_).height();
445 // Normalize anchor/offset (MV):
446 while (d->offset_ref_ > h && d->anchor_ref_ < parsize) {
449 h = tm.parMetrics(d->anchor_ref_).height();
451 // Look at paragraph heights on-screen
454 for (pit_type pit = d->anchor_ref_; pit <= parsize; ++pit) {
457 int const h2 = tm.parMetrics(pit).height();
463 int const hav = sumh / nh;
464 // More realistic average paragraph height
469 d->scrollbarParameters_.height = (parsize + 1) * d->wh_;
470 d->scrollbarParameters_.position = d->anchor_ref_ * d->wh_ + int(d->offset_ref_ * d->wh_ / float(h));
471 d->scrollbarParameters_.lineScrollHeight = int(d->wh_ * defaultRowHeight() / float(h));
475 ScrollbarParameters const & BufferView::scrollbarParameters() const
477 return d->scrollbarParameters_;
481 void BufferView::scrollDocView(int value)
483 LYXERR(Debug::GUI, "[ value = " << value << "]");
485 Text & t = buffer_.text();
486 TextMetrics & tm = d->text_metrics_[&t];
488 float const bar = value / float(d->wh_ * t.paragraphs().size());
490 d->anchor_ref_ = int(bar * t.paragraphs().size());
491 if (d->anchor_ref_ > int(t.paragraphs().size()) - 1)
492 d->anchor_ref_ = int(t.paragraphs().size()) - 1;
494 tm.redoParagraph(d->anchor_ref_);
495 int const h = tm.parMetrics(d->anchor_ref_).height();
496 d->offset_ref_ = int((bar * t.paragraphs().size() - d->anchor_ref_) * h);
502 void BufferView::setCursorFromScrollbar()
504 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
506 int const height = 2 * defaultRowHeight();
507 int const first = height;
508 int const last = height_ - height;
509 Cursor & cur = d->cursor_;
511 switch (cursorStatus(cur)) {
513 // We reset the cursor because cursorStatus() does not
514 // work when the cursor is within mathed.
515 cur.reset(buffer_.inset());
516 tm.setCursorFromCoordinates(cur, 0, first);
517 cur.clearSelection();
520 // We reset the cursor because cursorStatus() does not
521 // work when the cursor is within mathed.
522 cur.reset(buffer_.inset());
523 tm.setCursorFromCoordinates(cur, 0, last);
524 cur.clearSelection();
527 int const y = getPos(cur, cur.boundary()).y_;
528 int const newy = min(last, max(y, first));
530 cur.reset(buffer_.inset());
531 tm.setCursorFromCoordinates(cur, 0, newy);
537 Change const BufferView::getCurrentChange() const
539 if (!d->cursor_.selection())
540 return Change(Change::UNCHANGED);
542 DocIterator dit = d->cursor_.selectionBegin();
543 return dit.paragraph().lookupChange(dit.pos());
547 // this could be used elsewhere as well?
548 // FIXME: This does not work within mathed!
549 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
551 Point const p = getPos(dit, dit.boundary());
554 if (p.y_ > workHeight())
560 void BufferView::saveBookmark(unsigned int idx)
562 // tenatively save bookmark, id and pos will be used to
563 // acturately locate a bookmark in a 'live' lyx session.
564 // pit and pos will be updated with bottom level pit/pos
566 LyX::ref().session().bookmarks().save(
568 d->cursor_.bottom().pit(),
569 d->cursor_.bottom().pos(),
570 d->cursor_.paragraph().id(),
575 // emit message signal.
576 message(_("Save bookmark"));
580 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
581 int top_id, pos_type top_pos)
583 bool success = false;
586 d->cursor_.clearSelection();
588 // if a valid par_id is given, try it first
589 // This is the case for a 'live' bookmark when unique paragraph ID
590 // is used to track bookmarks.
592 ParIterator par = buffer_.getParFromID(top_id);
593 if (par != buffer_.par_iterator_end()) {
594 doc_it = makeDocIterator(par, min(par->size(), top_pos));
595 // Some slices of the iterator may not be
596 // reachable (e.g. closed collapsable inset)
597 // so the dociterator may need to be
598 // shortened. Otherwise, setCursor may crash
599 // lyx when the cursor can not be set to these
601 size_t const n = doc_it.depth();
602 for (size_t i = 0; i < n; ++i)
603 if (doc_it[i].inset().editable() != Inset::HIGHLY_EDITABLE) {
611 // if top_id == 0, or searching through top_id failed
612 // This is the case for a 'restored' bookmark when only bottom
613 // (document level) pit was saved. Because of this, bookmark
614 // restoration is inaccurate. If a bookmark was within an inset,
615 // it will be restored to the left of the outmost inset that contains
617 if (static_cast<size_t>(bottom_pit) < buffer_.paragraphs().size()) {
618 doc_it = doc_iterator_begin(buffer_.inset());
619 doc_it.pit() = bottom_pit;
620 doc_it.pos() = min(bottom_pos, doc_it.paragraph().size());
625 // Note: only bottom (document) level pit is set.
627 // set the current font.
628 d->cursor_.setCurrentFont();
629 // To center the screen on this new position we need the
630 // paragraph position which is computed at draw() time.
631 // So we need a redraw!
634 // We need another redraw because of the screen recentering.
642 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
644 if (lyxrc.rtl_support) {
645 if (d->cursor_.real_current_font.isRightToLeft()) {
646 if (d->intl_.keymap == Intl::PRIMARY)
647 d->intl_.keyMapSec();
649 if (d->intl_.keymap == Intl::SECONDARY)
650 d->intl_.keyMapPrim();
654 d->intl_.getTransManager().translateAndInsert(c, t, cur);
658 int BufferView::workWidth() const
664 void BufferView::updateOffsetRef()
666 // No need to update d->offset_ref_ in this case.
667 if (!d->need_centering_)
670 // We are not properly started yet, delay until resizing is
675 CursorSlice & bot = d->cursor_.bottom();
676 TextMetrics & tm = d->text_metrics_[bot.text()];
677 ParagraphMetrics const & pm = tm.parMetrics(bot.pit());
678 int y = coordOffset(d->cursor_, d->cursor_.boundary()).y_;
679 d->offset_ref_ = y + pm.ascent() - height_ / 2;
681 d->need_centering_ = false;
685 void BufferView::center()
687 d->anchor_ref_ = d->cursor_.bottom().pit();
688 d->need_centering_ = true;
692 FuncStatus BufferView::getStatus(FuncRequest const & cmd)
696 Cursor & cur = d->cursor_;
698 switch (cmd.action) {
701 flag.enabled(buffer_.undo().hasUndoStack());
704 flag.enabled(buffer_.undo().hasRedoStack());
706 case LFUN_FILE_INSERT:
707 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
708 case LFUN_FILE_INSERT_PLAINTEXT:
709 case LFUN_BOOKMARK_SAVE:
710 // FIXME: Actually, these LFUNS should be moved to Text
711 flag.enabled(cur.inTexted());
713 case LFUN_FONT_STATE:
714 case LFUN_LABEL_INSERT:
715 case LFUN_INFO_INSERT:
716 case LFUN_PARAGRAPH_GOTO:
718 case LFUN_REFERENCE_NEXT:
720 case LFUN_WORD_REPLACE:
723 case LFUN_MARK_TOGGLE:
724 case LFUN_SCREEN_RECENTER:
725 case LFUN_BIBTEX_DATABASE_ADD:
726 case LFUN_BIBTEX_DATABASE_DEL:
727 case LFUN_WORDS_COUNT:
728 case LFUN_NEXT_INSET_TOGGLE:
732 case LFUN_LABEL_GOTO: {
733 flag.enabled(!cmd.argument().empty()
734 || getInsetByCode<InsetRef>(cur, REF_CODE));
738 case LFUN_CHANGES_TRACK:
740 flag.setOnOff(buffer_.params().trackChanges);
743 case LFUN_CHANGES_OUTPUT:
745 flag.setOnOff(buffer_.params().outputChanges);
748 case LFUN_CHANGES_MERGE:
749 case LFUN_CHANGE_NEXT:
750 case LFUN_ALL_CHANGES_ACCEPT:
751 case LFUN_ALL_CHANGES_REJECT:
752 // TODO: context-sensitive enabling of LFUNs
753 // In principle, these command should only be enabled if there
754 // is a change in the document. However, without proper
755 // optimizations, this will inevitably result in poor performance.
759 case LFUN_BUFFER_TOGGLE_COMPRESSION: {
760 flag.setOnOff(buffer_.params().compressed);
764 case LFUN_BUFFER_TOGGLE_EMBEDDING: {
765 flag.setOnOff(buffer_.params().embedded);
770 case LFUN_SCREEN_DOWN:
774 // FIXME: LFUN_SCREEN_DOWN_SELECT should be removed from
775 // everywhere else before this can enabled:
776 case LFUN_SCREEN_UP_SELECT:
777 case LFUN_SCREEN_DOWN_SELECT:
781 case LFUN_LAYOUT_TABULAR:
782 flag.enabled(cur.innerInsetOfType(TABULAR_CODE));
786 case LFUN_LAYOUT_PARAGRAPH:
787 flag.enabled(cur.inset().forceDefaultParagraphs(cur.idx()));
790 case LFUN_INSET_SETTINGS: {
791 InsetCode code = cur.inset().lyxCode();
795 enable = cmd.argument() == "tabular";
798 enable = cmd.argument() == "ert";
801 enable = cmd.argument() == "float";
804 enable = cmd.argument() == "wrap";
807 enable = cmd.argument() == "note";
810 enable = cmd.argument() == "branch";
813 enable = cmd.argument() == "box";
816 enable = cmd.argument() == "listings";
821 flag.enabled(enable);
825 case LFUN_DIALOG_SHOW_NEW_INSET:
826 flag.enabled(cur.inset().lyxCode() != ERT_CODE &&
827 cur.inset().lyxCode() != LISTINGS_CODE);
828 if (cur.inset().lyxCode() == CAPTION_CODE) {
830 if (cur.inset().getStatus(cur, cmd, flag))
843 Update::flags BufferView::dispatch(FuncRequest const & cmd)
845 //lyxerr << [ cmd = " << cmd << "]" << endl;
847 // Make sure that the cached BufferView is correct.
848 LYXERR(Debug::ACTION, " action[" << cmd.action << ']'
849 << " arg[" << to_utf8(cmd.argument()) << ']'
850 << " x[" << cmd.x << ']'
851 << " y[" << cmd.y << ']'
852 << " button[" << cmd.button() << ']');
854 Cursor & cur = d->cursor_;
855 // Default Update flags.
856 Update::flags updateFlags = Update::Force | Update::FitCursor;
858 switch (cmd.action) {
861 cur.message(_("Undo"));
862 cur.clearSelection();
863 if (!cur.textUndo()) {
864 cur.message(_("No further undo information"));
865 updateFlags = Update::None;
870 cur.message(_("Redo"));
871 cur.clearSelection();
872 if (!cur.textRedo()) {
873 cur.message(_("No further redo information"));
874 updateFlags = Update::None;
878 case LFUN_FONT_STATE:
879 cur.message(cur.currentState());
882 case LFUN_BOOKMARK_SAVE:
883 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
886 case LFUN_LABEL_GOTO: {
887 docstring label = cmd.argument();
890 getInsetByCode<InsetRef>(d->cursor_,
893 label = inset->getParam("reference");
894 // persistent=false: use temp_bookmark
904 case LFUN_PARAGRAPH_GOTO: {
905 int const id = convert<int>(to_utf8(cmd.argument()));
907 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
908 b = theBufferList().next(b)) {
910 ParIterator par = b->getParFromID(id);
911 if (par == b->par_iterator_end()) {
912 LYXERR(Debug::INFO, "No matching paragraph found! [" << id << "].");
914 LYXERR(Debug::INFO, "Paragraph " << par->id()
915 << " found in buffer `"
916 << b->absFileName() << "'.");
920 setCursor(makeDocIterator(par, 0));
922 // Switch to other buffer view and resend cmd
923 theLyXFunc().dispatch(FuncRequest(
924 LFUN_BUFFER_SWITCH, b->absFileName()));
925 theLyXFunc().dispatch(cmd);
926 updateFlags = Update::None;
936 gotoInset(this, NOTE_CODE, false);
939 case LFUN_REFERENCE_NEXT: {
940 vector<InsetCode> tmp;
941 tmp.push_back(LABEL_CODE);
942 tmp.push_back(REF_CODE);
943 gotoInset(this, tmp, true);
947 case LFUN_CHANGES_TRACK:
948 buffer_.params().trackChanges = !buffer_.params().trackChanges;
951 case LFUN_CHANGES_OUTPUT:
952 buffer_.params().outputChanges = !buffer_.params().outputChanges;
953 if (buffer_.params().outputChanges) {
954 bool dvipost = LaTeXFeatures::isAvailable("dvipost");
955 bool xcolorsoul = LaTeXFeatures::isAvailable("soul") &&
956 LaTeXFeatures::isAvailable("xcolor");
958 if (!dvipost && !xcolorsoul) {
959 Alert::warning(_("Changes not shown in LaTeX output"),
960 _("Changes will not be highlighted in LaTeX output, "
961 "because neither dvipost nor xcolor/soul are installed.\n"
962 "Please install these packages or redefine "
963 "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
964 } else if (!xcolorsoul) {
965 Alert::warning(_("Changes not shown in LaTeX output"),
966 _("Changes will not be highlighted in LaTeX output "
967 "when using pdflatex, because xcolor and soul are not installed.\n"
968 "Please install both packages or redefine "
969 "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
974 case LFUN_CHANGE_NEXT:
975 findNextChange(this);
978 case LFUN_CHANGES_MERGE:
979 if (findNextChange(this))
980 showDialog("changes");
983 case LFUN_ALL_CHANGES_ACCEPT:
984 // select complete document
985 d->cursor_.reset(buffer_.inset());
986 d->cursor_.selHandle(true);
987 buffer_.text().cursorBottom(d->cursor_);
988 // accept everything in a single step to support atomic undo
989 buffer_.text().acceptOrRejectChanges(d->cursor_, Text::ACCEPT);
992 case LFUN_ALL_CHANGES_REJECT:
993 // select complete document
994 d->cursor_.reset(buffer_.inset());
995 d->cursor_.selHandle(true);
996 buffer_.text().cursorBottom(d->cursor_);
997 // reject everything in a single step to support atomic undo
998 // Note: reject does not work recursively; the user may have to repeat the operation
999 buffer_.text().acceptOrRejectChanges(d->cursor_, Text::REJECT);
1002 case LFUN_WORD_FIND:
1006 case LFUN_WORD_REPLACE: {
1007 bool has_deleted = false;
1008 if (cur.selection()) {
1009 DocIterator beg = cur.selectionBegin();
1010 DocIterator end = cur.selectionEnd();
1011 if (beg.pit() == end.pit()) {
1012 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1013 if (cur.paragraph().isDeleted(p))
1018 replace(this, cmd, has_deleted);
1023 cur.clearSelection();
1025 cur.message(from_utf8(N_("Mark off")));
1029 cur.clearSelection();
1032 cur.message(from_utf8(N_("Mark on")));
1035 case LFUN_MARK_TOGGLE:
1036 cur.clearSelection();
1039 cur.message(from_utf8(N_("Mark removed")));
1042 cur.message(from_utf8(N_("Mark set")));
1047 case LFUN_SCREEN_RECENTER:
1051 case LFUN_BIBTEX_DATABASE_ADD: {
1052 Cursor tmpcur = d->cursor_;
1053 findInset(tmpcur, BIBTEX_CODE, false);
1054 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1057 if (inset->addDatabase(to_utf8(cmd.argument())))
1058 buffer_.updateBibfilesCache();
1063 case LFUN_BIBTEX_DATABASE_DEL: {
1064 Cursor tmpcur = d->cursor_;
1065 findInset(tmpcur, BIBTEX_CODE, false);
1066 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1069 if (inset->delDatabase(to_utf8(cmd.argument())))
1070 buffer_.updateBibfilesCache();
1075 case LFUN_WORDS_COUNT: {
1076 DocIterator from, to;
1077 if (cur.selection()) {
1078 from = cur.selectionBegin();
1079 to = cur.selectionEnd();
1081 from = doc_iterator_begin(buffer_.inset());
1082 to = doc_iterator_end(buffer_.inset());
1084 int const count = countWords(from, to);
1087 if (cur.selection())
1088 message = bformat(_("%1$d words in selection."),
1091 message = bformat(_("%1$d words in document."),
1095 if (cur.selection())
1096 message = _("One word in selection.");
1098 message = _("One word in document.");
1101 Alert::information(_("Count words"), message);
1105 case LFUN_BUFFER_TOGGLE_COMPRESSION:
1106 // turn compression on/off
1107 buffer_.params().compressed = !buffer_.params().compressed;
1110 case LFUN_BUFFER_TOGGLE_EMBEDDING:
1111 // turn embedding on/off
1112 buffer_.embeddedFiles().enable(!buffer_.params().embedded);
1115 case LFUN_NEXT_INSET_TOGGLE: {
1116 // this is the real function we want to invoke
1117 FuncRequest tmpcmd = FuncRequest(LFUN_INSET_TOGGLE, cmd.origin);
1118 // if there is an inset at cursor, see whether it
1120 Inset * inset = cur.nextInset();
1122 if (inset->isActive()) {
1123 Cursor tmpcur = cur;
1124 tmpcur.pushBackward(*inset);
1125 inset->dispatch(tmpcur, tmpcmd);
1126 if (tmpcur.result().dispatched()) {
1129 } else if (inset->editable() == Inset::IS_EDITABLE) {
1130 inset->edit(cur, true);
1133 // if it did not work, try the underlying inset.
1134 if (!cur.result().dispatched())
1135 cur.dispatch(tmpcmd);
1137 if (cur.result().dispatched())
1138 cur.clearSelection();
1143 case LFUN_SCREEN_UP:
1144 case LFUN_SCREEN_DOWN: {
1145 Point p = getPos(cur, cur.boundary());
1146 if (p.y_ < 0 || p.y_ > height_) {
1147 // The cursor is off-screen so recenter before proceeding.
1150 //FIXME: updateMetrics() does not update paragraph position
1151 // This is done at draw() time. So we need a redraw!
1152 // But no screen update is needed.
1153 d->update_strategy_ = NoScreenUpdate;
1155 p = getPos(cur, cur.boundary());
1157 scroll(cmd.action == LFUN_SCREEN_UP? - height_ : height_);
1158 cur.reset(buffer_.inset());
1159 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
1160 //FIXME: what to do with cur.x_target()?
1162 // The metrics are already up to date. see scroll()
1163 updateFlags = Update::None;
1167 case LFUN_SCREEN_UP_SELECT:
1168 case LFUN_SCREEN_DOWN_SELECT: {
1169 cur.selHandle(true);
1170 size_t initial_depth = cur.depth();
1171 Point const p = getPos(cur, cur.boundary());
1172 scroll(cmd.action == LFUN_SCREEN_UP_SELECT? - height_ : height_);
1173 // FIXME: We need to verify if the cursor stayed within an inset...
1174 //cur.reset(buffer_.inset());
1175 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
1177 while (cur.depth() > initial_depth) {
1180 // FIXME: we need to do a redraw again because of the selection
1181 // But no screen update is needed.
1182 d->update_strategy_ = NoScreenUpdate;
1184 updateFlags = Update::Force | Update::FitCursor;
1189 updateFlags = Update::None;
1196 docstring const BufferView::requestSelection()
1198 Cursor & cur = d->cursor_;
1200 if (!cur.selection()) {
1201 d->xsel_cache_.set = false;
1205 if (!d->xsel_cache_.set ||
1206 cur.top() != d->xsel_cache_.cursor ||
1207 cur.anchor_.top() != d->xsel_cache_.anchor)
1209 d->xsel_cache_.cursor = cur.top();
1210 d->xsel_cache_.anchor = cur.anchor_.top();
1211 d->xsel_cache_.set = cur.selection();
1212 return cur.selectionAsString(false);
1218 void BufferView::clearSelection()
1220 d->cursor_.clearSelection();
1221 // Clear the selection buffer. Otherwise a subsequent
1222 // middle-mouse-button paste would use the selection buffer,
1223 // not the more current external selection.
1224 cap::clearSelection();
1225 d->xsel_cache_.set = false;
1226 // The buffer did not really change, but this causes the
1227 // redraw we need because we cleared the selection above.
1232 void BufferView::resize(int width, int height)
1234 // Update from work area
1242 Inset const * BufferView::getCoveringInset(Text const & text, int x, int y)
1244 TextMetrics & tm = d->text_metrics_[&text];
1245 Inset * inset = tm.checkInsetHit(x, y);
1249 if (!inset->descendable())
1250 // No need to go further down if the inset is not
1254 size_t cell_number = inset->nargs();
1255 // Check all the inner cell.
1256 for (size_t i = 0; i != cell_number; ++i) {
1257 Text const * inner_text = inset->getText(i);
1260 Inset const * inset_deeper =
1261 getCoveringInset(*inner_text, x, y);
1263 return inset_deeper;
1271 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
1273 //lyxerr << "[ cmd0 " << cmd0 << "]" << endl;
1275 // This is only called for mouse related events including
1276 // LFUN_FILE_OPEN generated by drag-and-drop.
1277 FuncRequest cmd = cmd0;
1280 cur.push(buffer_.inset());
1281 cur.selection() = d->cursor_.selection();
1283 // Either the inset under the cursor or the
1284 // surrounding Text will handle this event.
1286 // make sure we stay within the screen...
1287 cmd.y = min(max(cmd.y, -1), height_);
1289 if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
1291 // Get inset under mouse, if there is one.
1292 Inset const * covering_inset =
1293 getCoveringInset(buffer_.text(), cmd.x, cmd.y);
1294 if (covering_inset == d->last_inset_)
1295 // Same inset, no need to do anything...
1298 bool need_redraw = false;
1299 // const_cast because of setMouseHover().
1300 Inset * inset = const_cast<Inset *>(covering_inset);
1302 // Remove the hint on the last hovered inset (if any).
1303 need_redraw |= d->last_inset_->setMouseHover(false);
1305 // Highlighted the newly hovered inset (if any).
1306 need_redraw |= inset->setMouseHover(true);
1307 d->last_inset_ = inset;
1311 LYXERR(Debug::PAINTING, "Mouse hover detected at: ("
1312 << cmd.x << ", " << cmd.y << ")");
1314 d->update_strategy_ = DecorationUpdate;
1316 // This event (moving without mouse click) is not passed further.
1317 // This should be changed if it is further utilized.
1322 // Build temporary cursor.
1323 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x, cmd.y);
1325 // Put anchor at the same position.
1328 // Try to dispatch to an non-editable inset near this position
1329 // via the temp cursor. If the inset wishes to change the real
1330 // cursor it has to do so explicitly by using
1331 // cur.bv().cursor() = cur; (or similar)
1333 inset->dispatch(cur, cmd);
1335 // Now dispatch to the temporary cursor. If the real cursor should
1336 // be modified, the inset's dispatch has to do so explicitly.
1337 if (!cur.result().dispatched())
1340 //Do we have a selection?
1341 theSelection().haveSelection(cursor().selection());
1343 // If the command has been dispatched,
1344 if (cur.result().dispatched()
1345 // an update is asked,
1346 && cur.result().update())
1347 processUpdateFlags(cur.result().update());
1351 void BufferView::scroll(int y)
1360 void BufferView::scrollDown(int offset)
1362 Text * text = &buffer_.text();
1363 TextMetrics & tm = d->text_metrics_[text];
1364 int ymax = height_ + offset;
1366 pair<pit_type, ParagraphMetrics const *> last = tm.last();
1367 int bottom_pos = last.second->position() + last.second->descent();
1368 if (last.first + 1 == int(text->paragraphs().size())) {
1369 if (bottom_pos <= height_)
1371 offset = min(offset, bottom_pos - height_);
1374 if (bottom_pos > ymax)
1376 tm.newParMetricsDown();
1378 d->offset_ref_ += offset;
1384 void BufferView::scrollUp(int offset)
1386 Text * text = &buffer_.text();
1387 TextMetrics & tm = d->text_metrics_[text];
1388 int ymin = - offset;
1390 pair<pit_type, ParagraphMetrics const *> first = tm.first();
1391 int top_pos = first.second->position() - first.second->ascent();
1392 if (first.first == 0) {
1395 offset = min(offset, - top_pos);
1400 tm.newParMetricsUp();
1402 d->offset_ref_ -= offset;
1408 void BufferView::setCursorFromRow(int row)
1413 buffer_.texrow().getIdFromRow(row, tmpid, tmppos);
1415 d->cursor_.reset(buffer_.inset());
1417 buffer_.text().setCursor(d->cursor_, 0, 0);
1419 buffer_.text().setCursor(d->cursor_, buffer_.getParFromID(tmpid).pit(), tmppos);
1423 void BufferView::gotoLabel(docstring const & label)
1425 for (InsetIterator it = inset_iterator_begin(buffer_.inset()); it; ++it) {
1426 vector<docstring> labels;
1427 it->getLabelList(buffer_, labels);
1428 if (find(labels.begin(), labels.end(), label) != labels.end()) {
1430 processUpdateFlags(Update::FitCursor);
1437 TextMetrics const & BufferView::textMetrics(Text const * t) const
1439 return const_cast<BufferView *>(this)->textMetrics(t);
1443 TextMetrics & BufferView::textMetrics(Text const * t)
1445 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
1446 if (tmc_it == d->text_metrics_.end()) {
1447 tmc_it = d->text_metrics_.insert(
1448 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
1450 return tmc_it->second;
1454 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
1457 return textMetrics(t).parMetrics(pit);
1461 int BufferView::workHeight() const
1467 void BufferView::setCursor(DocIterator const & dit)
1469 size_t const n = dit.depth();
1470 for (size_t i = 0; i < n; ++i)
1471 dit[i].inset().edit(d->cursor_, true);
1473 d->cursor_.setCursor(dit);
1474 d->cursor_.selection() = false;
1478 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
1480 // Would be wrong to delete anything if we have a selection.
1481 if (cur.selection())
1484 bool need_anchor_change = false;
1485 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
1486 need_anchor_change);
1488 if (need_anchor_change)
1494 updateLabels(buffer_);
1502 bool BufferView::mouseSetCursor(Cursor & cur, bool select)
1504 BOOST_ASSERT(&cur.bv() == this);
1507 // this event will clear selection so we save selection for
1508 // persistent selection
1509 cap::saveSelection(cursor());
1511 // Has the cursor just left the inset?
1512 bool badcursor = false;
1513 bool leftinset = (&d->cursor_.inset() != &cur.inset());
1515 badcursor = notifyCursorLeaves(d->cursor_, cur);
1517 // FIXME: shift-mouse selection doesn't work well across insets.
1518 bool do_selection = select && &d->cursor_.anchor().inset() == &cur.inset();
1520 // do the dEPM magic if needed
1521 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
1522 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
1523 // the leftinset bool would not be necessary (badcursor instead).
1524 bool update = leftinset;
1525 if (!do_selection && !badcursor && d->cursor_.inTexted())
1526 update |= checkDepm(cur, d->cursor_);
1528 // if the cursor was in an empty script inset and the new
1529 // position is in the nucleus of the inset, notifyCursorLeaves
1530 // will kill the script inset itself. So we check all the
1531 // elements of the cursor to make sure that they are correct.
1532 // For an example, see bug 2933:
1533 // http://bugzilla.lyx.org/show_bug.cgi?id=2933
1534 // The code below could maybe be moved to a DocIterator method.
1535 //lyxerr << "cur before " << cur <<endl;
1536 DocIterator dit(cur.inset());
1537 dit.push_back(cur.bottom());
1539 while (i < cur.depth() && dit.nextInset() == &cur[i].inset()) {
1540 dit.push_back(cur[i]);
1543 //lyxerr << "5 cur after" << dit <<endl;
1545 d->cursor_.setCursor(dit);
1546 d->cursor_.boundary(cur.boundary());
1548 d->cursor_.setSelection();
1550 d->cursor_.clearSelection();
1552 d->cursor_.finishUndo();
1553 d->cursor_.setCurrentFont();
1558 void BufferView::putSelectionAt(DocIterator const & cur,
1559 int length, bool backwards)
1561 d->cursor_.clearSelection();
1567 d->cursor_.pos() += length;
1568 d->cursor_.setSelection(d->cursor_, -length);
1570 d->cursor_.setSelection(d->cursor_, length);
1575 Cursor & BufferView::cursor()
1581 Cursor const & BufferView::cursor() const
1587 pit_type BufferView::anchor_ref() const
1589 return d->anchor_ref_;
1593 bool BufferView::singleParUpdate()
1595 Text & buftext = buffer_.text();
1596 pit_type const bottom_pit = d->cursor_.bottom().pit();
1597 TextMetrics & tm = textMetrics(&buftext);
1598 int old_height = tm.parMetrics(bottom_pit).height();
1600 // In Single Paragraph mode, rebreak only
1601 // the (main text, not inset!) paragraph containing the cursor.
1602 // (if this paragraph contains insets etc., rebreaking will
1603 // recursively descend)
1604 tm.redoParagraph(bottom_pit);
1605 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
1606 if (pm.height() != old_height)
1607 // Paragraph height has changed so we cannot proceed to
1608 // the singlePar optimisation.
1611 d->update_strategy_ = SingleParUpdate;
1613 LYXERR(Debug::PAINTING, "\ny1: " << pm.position() - pm.ascent()
1614 << " y2: " << pm.position() + pm.descent()
1615 << " pit: " << bottom_pit
1616 << " singlepar: 1");
1621 void BufferView::updateMetrics()
1623 Text & buftext = buffer_.text();
1624 pit_type const npit = int(buftext.paragraphs().size());
1626 if (d->anchor_ref_ > int(npit - 1)) {
1627 d->anchor_ref_ = int(npit - 1);
1631 // Clear out the position cache in case of full screen redraw,
1632 d->coord_cache_.clear();
1634 // Clear out paragraph metrics to avoid having invalid metrics
1635 // in the cache from paragraphs not relayouted below
1636 // The complete text metrics will be redone.
1637 d->text_metrics_.clear();
1639 TextMetrics & tm = textMetrics(&buftext);
1641 pit_type const pit = d->anchor_ref_;
1645 // Rebreak anchor paragraph.
1646 tm.redoParagraph(pit);
1648 // Take care of anchor offset if case a recentering is needed.
1651 int y0 = tm.parMetrics(pit).ascent() - d->offset_ref_;
1653 // Redo paragraphs above anchor if necessary.
1655 while (y1 > 0 && pit1 > 0) {
1656 y1 -= tm.parMetrics(pit1).ascent();
1658 tm.redoParagraph(pit1);
1659 y1 -= tm.parMetrics(pit1).descent();
1662 // Take care of ascent of first line
1663 y1 -= tm.parMetrics(pit1).ascent();
1665 // Normalize anchor for next time
1666 d->anchor_ref_ = pit1;
1667 d->offset_ref_ = -y1;
1669 // Grey at the beginning is ugly
1670 if (pit1 == 0 && y1 > 0) {
1676 // Redo paragraphs below the anchor if necessary.
1678 while (y2 < height_ && pit2 < int(npit) - 1) {
1679 y2 += tm.parMetrics(pit2).descent();
1681 tm.redoParagraph(pit2);
1682 y2 += tm.parMetrics(pit2).ascent();
1685 // Take care of descent of last line
1686 y2 += tm.parMetrics(pit2).descent();
1688 LYXERR(Debug::PAINTING, "\n y1: " << y1
1690 << " pit1: " << pit1
1691 << " pit2: " << pit2
1692 << " npit: " << npit
1693 << " singlepar: 0");
1695 d->update_strategy_ = FullScreenUpdate;
1697 if (lyxerr.debugging(Debug::WORKAREA)) {
1698 LYXERR(Debug::WORKAREA, "BufferView::updateMetrics");
1699 d->coord_cache_.dump();
1704 void BufferView::insertLyXFile(FileName const & fname)
1706 BOOST_ASSERT(d->cursor_.inTexted());
1708 // Get absolute path of file and add ".lyx"
1709 // to the filename if necessary
1710 FileName filename = fileSearch(string(), fname.absFilename(), "lyx");
1712 docstring const disp_fn = makeDisplayPath(filename.absFilename());
1713 // emit message signal.
1714 message(bformat(_("Inserting document %1$s..."), disp_fn));
1717 Buffer buf("", false);
1718 if (buf.loadLyXFile(filename)) {
1719 ErrorList & el = buffer_.errorList("Parse");
1720 // Copy the inserted document error list into the current buffer one.
1721 el = buf.errorList("Parse");
1722 buffer_.undo().recordUndo(d->cursor_);
1723 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
1724 buf.params().getTextClassPtr(), el);
1725 res = _("Document %1$s inserted.");
1727 res = _("Could not insert document %1$s");
1732 // emit message signal.
1733 message(bformat(res, disp_fn));
1734 buffer_.errors("Parse");
1738 Point BufferView::coordOffset(DocIterator const & dit, bool boundary) const
1744 // Addup contribution of nested insets, from inside to outside,
1745 // keeping the outer paragraph for a special handling below
1746 for (size_t i = dit.depth() - 1; i >= 1; --i) {
1747 CursorSlice const & sl = dit[i];
1751 // get relative position inside sl.inset()
1752 sl.inset().cursorPos(*this, sl, boundary && (i + 1 == dit.depth()), xx, yy);
1754 // Make relative position inside of the edited inset relative to sl.inset()
1758 // In case of an RTL inset, the edited inset will be positioned to the left
1761 bool boundary_i = boundary && i + 1 == dit.depth();
1762 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
1767 // remember width for the case that sl.inset() is positioned in an RTL inset
1768 if (i && dit[i - 1].text()) {
1769 // If this Inset is inside a Text Inset, retrieve the Dimension
1770 // from the containing text instead of using Inset::dimension() which
1771 // might not be implemented.
1772 // FIXME (Abdel 23/09/2007): this is a bit messy because of the
1773 // elimination of Inset::dim_ cache. This coordOffset() method needs
1774 // to be rewritten in light of the new design.
1775 Dimension const & dim = parMetrics(dit[i - 1].text(),
1776 dit[i - 1].pit()).insetDimension(&sl.inset());
1779 Dimension const dim = sl.inset().dimension(*this);
1783 //lyxerr << "Cursor::getPos, i: "
1784 // << i << " x: " << xx << " y: " << y << endl;
1787 // Add contribution of initial rows of outermost paragraph
1788 CursorSlice const & sl = dit[0];
1789 TextMetrics const & tm = textMetrics(sl.text());
1790 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
1791 BOOST_ASSERT(!pm.rows().empty());
1792 y -= pm.rows()[0].ascent();
1794 // FIXME: document this mess
1796 if (sl.pos() > 0 && dit.depth() == 1) {
1798 if (pos && boundary)
1800 // lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << endl;
1801 rend = pm.pos2row(pos);
1803 rend = pm.pos2row(sl.pos());
1805 size_t rend = pm.pos2row(sl.pos());
1807 for (size_t rit = 0; rit != rend; ++rit)
1808 y += pm.rows()[rit].height();
1809 y += pm.rows()[rend].ascent();
1811 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
1813 // Make relative position from the nested inset now bufferview absolute.
1814 int xx = bottom_tm.cursorX(dit.bottom(), boundary && dit.depth() == 1);
1817 // In the RTL case place the nested inset at the left of the cursor in
1818 // the outer paragraph
1819 bool boundary_1 = boundary && 1 == dit.depth();
1820 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
1828 Point BufferView::getPos(DocIterator const & dit, bool boundary) const
1830 CursorSlice const & bot = dit.bottom();
1831 TextMetrics const & tm = textMetrics(bot.text());
1832 if (!tm.has(bot.pit()))
1833 return Point(-1, -1);
1835 Point p = coordOffset(dit, boundary); // offset from outer paragraph
1836 p.y_ += tm.parMetrics(bot.pit()).position();
1841 void BufferView::draw(frontend::Painter & pain)
1843 LYXERR(Debug::PAINTING, "\t\t*** START DRAWING ***");
1844 Text & text = buffer_.text();
1845 TextMetrics const & tm = d->text_metrics_[&text];
1846 int const y = - d->offset_ref_ + tm.parMetrics(d->anchor_ref_).ascent();
1847 PainterInfo pi(this, pain);
1849 switch (d->update_strategy_) {
1851 case NoScreenUpdate:
1852 // If no screen painting is actually needed, only some the different
1853 // coordinates of insets and paragraphs needs to be updated.
1854 pi.full_repaint = true;
1855 pi.pain.setDrawingEnabled(false);
1859 case SingleParUpdate:
1860 pi.full_repaint = false;
1861 // In general, only the current row of the outermost paragraph
1862 // will be redrawn. Particular cases where selection spans
1863 // multiple paragraph are correctly detected in TextMetrics.
1867 case DecorationUpdate:
1868 // FIXME: We should also distinguish DecorationUpdate to avoid text
1869 // drawing if possible. This is not possible to do easily right now
1870 // because of the single backing pixmap.
1872 case FullScreenUpdate:
1873 // The whole screen, including insets, will be refreshed.
1874 pi.full_repaint = true;
1876 // Clear background.
1877 pain.fillRectangle(0, 0, width_, height_,
1878 buffer_.inset().backgroundColor());
1881 // and possibly grey out below
1882 pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
1883 int const y2 = lastpm.second->position() + lastpm.second->descent();
1885 pain.fillRectangle(0, y2, width_, height_ - y2, Color_bottomarea);
1889 LYXERR(Debug::PAINTING, "\n\t\t*** END DRAWING ***");
1893 void BufferView::message(docstring const & msg)
1896 d->gui_->message(msg);
1900 void BufferView::showDialog(string const & name)
1903 d->gui_->showDialog(name, string());
1907 void BufferView::showDialog(string const & name,
1908 string const & data, Inset * inset)
1911 d->gui_->showDialog(name, data, inset);
1915 void BufferView::updateDialog(string const & name, string const & data)
1918 d->gui_->updateDialog(name, data);
1922 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
1928 // FIXME: Move this out of BufferView again
1929 docstring BufferView::contentsOfPlaintextFile(FileName const & fname)
1931 if (!fname.isReadableFile()) {
1932 docstring const error = from_ascii(strerror(errno));
1933 docstring const file = makeDisplayPath(fname.absFilename(), 50);
1934 docstring const text =
1935 bformat(_("Could not read the specified document\n"
1936 "%1$s\ndue to the error: %2$s"), file, error);
1937 Alert::error(_("Could not read file"), text);
1941 if (!fname.isReadableFile()) {
1942 docstring const file = makeDisplayPath(fname.absFilename(), 50);
1943 docstring const text =
1944 bformat(_("%1$s\n is not readable."), file);
1945 Alert::error(_("Could not open file"), text);
1949 // FIXME UNICODE: We don't know the encoding of the file
1950 docstring file_content = fname.fileContents("UTF-8");
1951 if (file_content.empty()) {
1952 Alert::error(_("Reading not UTF-8 encoded file"),
1953 _("The file is not UTF-8 encoded.\n"
1954 "It will be read as local 8Bit-encoded.\n"
1955 "If this does not give the correct result\n"
1956 "then please change the encoding of the file\n"
1957 "to UTF-8 with a program other than LyX.\n"));
1958 file_content = fname.fileContents("local8bit");
1961 return normalize_c(file_content);
1965 void BufferView::insertPlaintextFile(FileName const & f, bool asParagraph)
1967 docstring const tmpstr = contentsOfPlaintextFile(f);
1972 Cursor & cur = cursor();
1973 cap::replaceSelection(cur);
1974 buffer_.undo().recordUndo(cur);
1976 cur.innerText()->insertStringAsParagraphs(cur, tmpstr);
1978 cur.innerText()->insertStringAsLines(cur, tmpstr);