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"
27 #include "DispatchResult.h"
28 #include "EmbeddedFiles.h"
29 #include "ErrorList.h"
31 #include "FloatList.h"
32 #include "FuncRequest.h"
33 #include "FuncStatus.h"
36 #include "InsetIterator.h"
38 #include "LaTeXFeatures.h"
44 #include "MetricsInfo.h"
45 #include "Paragraph.h"
46 #include "paragraph_funcs.h"
47 #include "ParagraphParameters.h"
48 #include "ParIterator.h"
51 #include "TextClass.h"
52 #include "TextMetrics.h"
55 #include "WordLangTuple.h"
57 #include "insets/InsetBibtex.h"
58 #include "insets/InsetCommand.h" // ChangeRefs
59 #include "insets/InsetRef.h"
60 #include "insets/InsetText.h"
62 #include "frontends/alert.h"
63 #include "frontends/Delegates.h"
64 #include "frontends/FileDialog.h"
65 #include "frontends/FontMetrics.h"
66 #include "frontends/Painter.h"
67 #include "frontends/Selection.h"
69 #include "graphics/Previews.h"
71 #include "support/convert.h"
72 #include "support/lstrings.h"
73 #include "support/FileFilterList.h"
74 #include "support/filetools.h"
75 #include "support/Package.h"
76 #include "support/types.h"
78 #include <boost/current_function.hpp>
89 using std::istringstream;
90 using std::istream_iterator;
94 using std::mem_fun_ref;
100 using support::addPath;
101 using support::bformat;
102 using support::FileFilterList;
103 using support::FileName;
104 using support::fileSearch;
105 using support::makeDisplayPath;
106 using support::makeAbsPath;
107 using support::package;
109 namespace Alert = frontend::Alert;
113 /// Return an inset of this class if it exists at the current cursor position
115 T * getInsetByCode(Cursor const & cur, InsetCode code)
117 DocIterator it = cur;
118 Inset * inset = it.nextInset();
119 if (inset && inset->lyxCode() == code)
120 return static_cast<T*>(inset);
125 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
128 bool findNextInset(DocIterator & dit, vector<InsetCode> const & codes,
129 docstring const & contents)
131 DocIterator tmpdit = dit;
134 Inset const * inset = tmpdit.nextInset();
136 && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()
137 && (contents.empty() ||
138 static_cast<InsetCommand const *>(inset)->getFirstNonOptParam() == contents)) {
142 tmpdit.forwardInset();
149 /// Looks for next inset with one of the given codes.
150 bool findInset(DocIterator & dit, vector<InsetCode> const & codes,
154 DocIterator tmpdit = dit;
155 tmpdit.forwardInset();
160 Inset const * inset = tmpdit.nextInset();
162 && find(codes.begin(), codes.end(), inset->lyxCode()) != codes.end()) {
163 contents = static_cast<InsetCommand const *>(inset)->getFirstNonOptParam();
167 if (!findNextInset(tmpdit, codes, contents)) {
168 if (dit.depth() != 1 || dit.pit() != 0 || dit.pos() != 0) {
169 tmpdit = doc_iterator_begin(tmpdit.bottom().inset());
170 if (!findNextInset(tmpdit, codes, contents))
181 /// Looks for next inset with the given code
182 void findInset(DocIterator & dit, InsetCode code, bool same_content)
184 findInset(dit, vector<InsetCode>(1, code), same_content);
188 /// Moves cursor to the next inset with one of the given codes.
189 void gotoInset(BufferView * bv, vector<InsetCode> const & codes,
192 Cursor tmpcur = bv->cursor();
193 if (!findInset(tmpcur, codes, same_content)) {
194 bv->cursor().message(_("No more insets"));
198 tmpcur.clearSelection();
199 bv->setCursor(tmpcur);
203 /// Moves cursor to the next inset with given code.
204 void gotoInset(BufferView * bv, InsetCode code, bool same_content)
206 gotoInset(bv, vector<InsetCode>(1, code), same_content);
210 /// A map from a Text to the associated text metrics
211 typedef std::map<Text const *, TextMetrics> TextMetricsCache;
216 /////////////////////////////////////////////////////////////////////
220 /////////////////////////////////////////////////////////////////////
222 struct BufferView::Private
224 Private(BufferView & bv): wh_(0), cursor_(bv),
225 anchor_ref_(0), offset_ref_(0), need_centering_(false),
226 last_inset_(0), gui_(0)
230 ScrollbarParameters scrollbarParameters_;
232 ViewMetricsInfo metrics_info_;
234 CoordCache coord_cache_;
236 /// Estimated average par height for scrollbar.
238 /// this is used to handle XSelection events in the right manner.
247 pit_type anchor_ref_;
251 bool need_centering_;
253 /// keyboard mapping object.
256 /// last visited inset.
257 /** kept to send setMouseHover(false).
258 * Not owned, so don't delete.
262 mutable TextMetricsCache text_metrics_;
265 /** Not owned, so don't delete.
267 frontend::GuiBufferViewDelegate * gui_;
271 BufferView::BufferView(Buffer & buf)
272 : width_(0), height_(0), buffer_(buf), d(new Private(*this))
274 d->xsel_cache_.set = false;
275 d->intl_.initKeyMapper(lyxrc.use_kbmap);
277 d->cursor_.push(buffer_.inset());
278 d->cursor_.resetAnchor();
279 d->cursor_.setCurrentFont();
281 if (graphics::Previews::status() != LyXRC::PREVIEW_OFF)
282 graphics::Previews::get().generateBufferPreviews(buffer_);
286 BufferView::~BufferView()
288 // current buffer is going to be switched-off, save cursor pos
289 // Ideally, the whole cursor stack should be saved, but session
290 // currently can only handle bottom (whole document) level pit and pos.
291 // That is to say, if a cursor is in a nested inset, it will be
292 // restore to the left of the top level inset.
293 LastFilePosSection::FilePos fp;
294 fp.pit = d->cursor_.bottom().pit();
295 fp.pos = d->cursor_.bottom().pos();
296 LyX::ref().session().lastFilePos().save(buffer_.fileName(), fp);
302 Intl & BufferView::getIntl()
308 Intl const & BufferView::getIntl() const
314 CoordCache & BufferView::coordCache()
316 return d->coord_cache_;
320 CoordCache const & BufferView::coordCache() const
322 return d->coord_cache_;
326 Buffer & BufferView::buffer()
332 Buffer const & BufferView::buffer() const
338 bool BufferView::fitCursor()
340 if (cursorStatus(d->cursor_) == CUR_INSIDE) {
341 frontend::FontMetrics const & fm =
342 theFontMetrics(d->cursor_.getFont().fontInfo());
343 int const asc = fm.maxAscent();
344 int const des = fm.maxDescent();
345 Point const p = getPos(d->cursor_, d->cursor_.boundary());
346 if (p.y_ - asc >= 0 && p.y_ + des < height_)
354 void BufferView::processUpdateFlags(Update::flags flags)
356 // last_inset_ points to the last visited inset. This pointer may become
357 // invalid because of keyboard editing. Since all such operations
358 // causes screen update(), I reset last_inset_ to avoid such a problem.
360 // This is close to a hot-path.
362 << BOOST_CURRENT_FUNCTION
363 << "[fitcursor = " << (flags & Update::FitCursor)
364 << ", forceupdate = " << (flags & Update::Force)
365 << ", singlepar = " << (flags & Update::SinglePar)
366 << "] buffer: " << &buffer_ << endl;
368 // Update macro store
369 if (!(cursor().inMathed() && cursor().inMacroMode()))
370 buffer_.updateMacros();
372 // Now do the first drawing step if needed. This consists on updating
373 // the CoordCache in updateMetrics().
374 // The second drawing step is done in WorkArea::redraw() if needed.
376 // Case when no explicit update is requested.
378 // no need to redraw anything.
379 d->metrics_info_.update_strategy = NoScreenUpdate;
383 if (flags == Update::Decoration) {
384 d->metrics_info_.update_strategy = DecorationUpdate;
389 if (flags == Update::FitCursor
390 || flags == (Update::Decoration | Update::FitCursor)) {
391 bool const fit_cursor = fitCursor();
392 // tell the frontend to update the screen if needed.
398 if (flags & Update::Decoration) {
399 d->metrics_info_.update_strategy = DecorationUpdate;
403 // no screen update is needed.
404 d->metrics_info_.update_strategy = NoScreenUpdate;
408 bool const full_metrics = flags & Update::Force;
410 if (full_metrics || !singleParUpdate())
411 // We have to update the full screen metrics.
414 if (!(flags & Update::FitCursor)) {
419 //FIXME: updateMetrics() does not update paragraph position
420 // This is done at draw() time. So we need a redraw!
423 // The screen has already been updated thanks to the
424 // 'buffer_.changed()' call three line above. So no need
428 // The screen has been recentered around the cursor position so
435 void BufferView::updateScrollbar()
437 Text & t = buffer_.text();
438 TextMetrics & tm = d->text_metrics_[&t];
440 int const parsize = int(t.paragraphs().size() - 1);
441 if (d->anchor_ref_ > parsize) {
442 d->anchor_ref_ = parsize;
447 << BOOST_CURRENT_FUNCTION
448 << " Updating scrollbar: height: " << t.paragraphs().size()
449 << " curr par: " << d->cursor_.bottom().pit()
450 << " default height " << defaultRowHeight() << endl;
452 // It would be better to fix the scrollbar to understand
453 // values in [0..1] and divide everything by wh
455 // estimated average paragraph height:
457 d->wh_ = height_ / 4;
459 int h = tm.parMetrics(d->anchor_ref_).height();
461 // Normalize anchor/offset (MV):
462 while (d->offset_ref_ > h && d->anchor_ref_ < parsize) {
465 h = tm.parMetrics(d->anchor_ref_).height();
467 // Look at paragraph heights on-screen
470 for (pit_type pit = d->anchor_ref_; pit <= parsize; ++pit) {
473 int const h2 = tm.parMetrics(pit).height();
479 int const hav = sumh / nh;
480 // More realistic average paragraph height
485 d->scrollbarParameters_.height = (parsize + 1) * d->wh_;
486 d->scrollbarParameters_.position = d->anchor_ref_ * d->wh_ + int(d->offset_ref_ * d->wh_ / float(h));
487 d->scrollbarParameters_.lineScrollHeight = int(d->wh_ * defaultRowHeight() / float(h));
491 ScrollbarParameters const & BufferView::scrollbarParameters() const
493 return d->scrollbarParameters_;
497 void BufferView::scrollDocView(int value)
499 LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
500 << "[ value = " << value << "]" << endl;
502 Text & t = buffer_.text();
503 TextMetrics & tm = d->text_metrics_[&t];
505 float const bar = value / float(d->wh_ * t.paragraphs().size());
507 d->anchor_ref_ = int(bar * t.paragraphs().size());
508 if (d->anchor_ref_ > int(t.paragraphs().size()) - 1)
509 d->anchor_ref_ = int(t.paragraphs().size()) - 1;
511 tm.redoParagraph(d->anchor_ref_);
512 int const h = tm.parMetrics(d->anchor_ref_).height();
513 d->offset_ref_ = int((bar * t.paragraphs().size() - d->anchor_ref_) * h);
519 void BufferView::setCursorFromScrollbar()
521 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
523 int const height = 2 * defaultRowHeight();
524 int const first = height;
525 int const last = height_ - height;
526 Cursor & cur = d->cursor_;
528 switch (cursorStatus(cur)) {
530 // We reset the cursor because cursorStatus() does not
531 // work when the cursor is within mathed.
532 cur.reset(buffer_.inset());
533 tm.setCursorFromCoordinates(cur, 0, first);
534 cur.clearSelection();
537 // We reset the cursor because cursorStatus() does not
538 // work when the cursor is within mathed.
539 cur.reset(buffer_.inset());
540 tm.setCursorFromCoordinates(cur, 0, last);
541 cur.clearSelection();
544 int const y = getPos(cur, cur.boundary()).y_;
545 int const newy = min(last, max(y, first));
547 cur.reset(buffer_.inset());
548 tm.setCursorFromCoordinates(cur, 0, newy);
554 Change const BufferView::getCurrentChange() const
556 if (!d->cursor_.selection())
557 return Change(Change::UNCHANGED);
559 DocIterator dit = d->cursor_.selectionBegin();
560 return dit.paragraph().lookupChange(dit.pos());
564 // this could be used elsewhere as well?
565 // FIXME: This does not work within mathed!
566 CursorStatus BufferView::cursorStatus(DocIterator const & dit) const
568 Point const p = getPos(dit, dit.boundary());
571 if (p.y_ > workHeight())
577 void BufferView::saveBookmark(unsigned int idx)
579 // tenatively save bookmark, id and pos will be used to
580 // acturately locate a bookmark in a 'live' lyx session.
581 // pit and pos will be updated with bottom level pit/pos
583 LyX::ref().session().bookmarks().save(
585 d->cursor_.bottom().pit(),
586 d->cursor_.bottom().pos(),
587 d->cursor_.paragraph().id(),
592 // emit message signal.
593 message(_("Save bookmark"));
597 bool BufferView::moveToPosition(pit_type bottom_pit, pos_type bottom_pos,
598 int top_id, pos_type top_pos)
600 bool success = false;
603 d->cursor_.clearSelection();
605 // if a valid par_id is given, try it first
606 // This is the case for a 'live' bookmark when unique paragraph ID
607 // is used to track bookmarks.
609 ParIterator par = buffer_.getParFromID(top_id);
610 if (par != buffer_.par_iterator_end()) {
611 doc_it = makeDocIterator(par, min(par->size(), top_pos));
612 // Some slices of the iterator may not be
613 // reachable (e.g. closed collapsable inset)
614 // so the dociterator may need to be
615 // shortened. Otherwise, setCursor may crash
616 // lyx when the cursor can not be set to these
618 size_t const n = doc_it.depth();
619 for (size_t i = 0; i < n; ++i)
620 if (doc_it[i].inset().editable() != Inset::HIGHLY_EDITABLE) {
628 // if top_id == 0, or searching through top_id failed
629 // This is the case for a 'restored' bookmark when only bottom
630 // (document level) pit was saved. Because of this, bookmark
631 // restoration is inaccurate. If a bookmark was within an inset,
632 // it will be restored to the left of the outmost inset that contains
634 if (static_cast<size_t>(bottom_pit) < buffer_.paragraphs().size()) {
635 doc_it = doc_iterator_begin(buffer_.inset());
636 doc_it.pit() = bottom_pit;
637 doc_it.pos() = min(bottom_pos, doc_it.paragraph().size());
642 // Note: only bottom (document) level pit is set.
644 // set the current font.
645 d->cursor_.setCurrentFont();
646 // center the screen on this new position.
654 void BufferView::translateAndInsert(char_type c, Text * t, Cursor & cur)
656 if (lyxrc.rtl_support) {
657 if (d->cursor_.real_current_font.isRightToLeft()) {
658 if (d->intl_.keymap == Intl::PRIMARY)
659 d->intl_.keyMapSec();
661 if (d->intl_.keymap == Intl::SECONDARY)
662 d->intl_.keyMapPrim();
666 d->intl_.getTransManager().translateAndInsert(c, t, cur);
670 int BufferView::workWidth() const
676 void BufferView::updateOffsetRef()
678 // No need to update d->offset_ref_ in this case.
679 if (!d->need_centering_)
682 // We are not properly started yet, delay until resizing is
687 CursorSlice & bot = d->cursor_.bottom();
688 TextMetrics & tm = d->text_metrics_[bot.text()];
689 ParagraphMetrics const & pm = tm.parMetrics(bot.pit());
690 int y = coordOffset(d->cursor_, d->cursor_.boundary()).y_;
691 d->offset_ref_ = y + pm.ascent() - height_ / 2;
693 d->need_centering_ = false;
697 void BufferView::center()
699 d->anchor_ref_ = d->cursor_.bottom().pit();
700 d->need_centering_ = true;
704 FuncStatus BufferView::getStatus(FuncRequest const & cmd)
708 Cursor & cur = d->cursor_;
710 switch (cmd.action) {
713 flag.enabled(buffer_.undo().hasUndoStack());
716 flag.enabled(buffer_.undo().hasRedoStack());
718 case LFUN_FILE_INSERT:
719 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
720 case LFUN_FILE_INSERT_PLAINTEXT:
721 case LFUN_BOOKMARK_SAVE:
722 // FIXME: Actually, these LFUNS should be moved to Text
723 flag.enabled(cur.inTexted());
725 case LFUN_FONT_STATE:
726 case LFUN_LABEL_INSERT:
727 case LFUN_INFO_INSERT:
728 case LFUN_PARAGRAPH_GOTO:
730 case LFUN_REFERENCE_NEXT:
732 case LFUN_WORD_REPLACE:
735 case LFUN_MARK_TOGGLE:
736 case LFUN_SCREEN_RECENTER:
737 case LFUN_BIBTEX_DATABASE_ADD:
738 case LFUN_BIBTEX_DATABASE_DEL:
739 case LFUN_WORDS_COUNT:
740 case LFUN_NEXT_INSET_TOGGLE:
744 case LFUN_LABEL_GOTO: {
745 flag.enabled(!cmd.argument().empty()
746 || getInsetByCode<InsetRef>(cur, REF_CODE));
750 case LFUN_CHANGES_TRACK:
752 flag.setOnOff(buffer_.params().trackChanges);
755 case LFUN_CHANGES_OUTPUT:
757 flag.setOnOff(buffer_.params().outputChanges);
760 case LFUN_CHANGES_MERGE:
761 case LFUN_CHANGE_NEXT:
762 case LFUN_ALL_CHANGES_ACCEPT:
763 case LFUN_ALL_CHANGES_REJECT:
764 // TODO: context-sensitive enabling of LFUNs
765 // In principle, these command should only be enabled if there
766 // is a change in the document. However, without proper
767 // optimizations, this will inevitably result in poor performance.
771 case LFUN_BUFFER_TOGGLE_COMPRESSION: {
772 flag.setOnOff(buffer_.params().compressed);
776 case LFUN_BUFFER_TOGGLE_EMBEDDING: {
777 flag.setOnOff(buffer_.params().embedded);
782 case LFUN_SCREEN_DOWN:
786 // FIXME: LFUN_SCREEN_DOWN_SELECT should be removed from
787 // everywhere else before this can enabled:
788 case LFUN_SCREEN_UP_SELECT:
789 case LFUN_SCREEN_DOWN_SELECT:
793 case LFUN_LAYOUT_TABULAR:
794 flag.enabled(cur.innerInsetOfType(TABULAR_CODE));
798 case LFUN_LAYOUT_PARAGRAPH:
799 flag.enabled(cur.inset().forceDefaultParagraphs(cur.idx()));
802 case LFUN_INSET_SETTINGS: {
803 InsetCode code = cur.inset().lyxCode();
807 enable = cmd.argument() == "tabular";
810 enable = cmd.argument() == "ert";
813 enable = cmd.argument() == "float";
816 enable = cmd.argument() == "wrap";
819 enable = cmd.argument() == "note";
822 enable = cmd.argument() == "branch";
825 enable = cmd.argument() == "box";
828 enable = cmd.argument() == "listings";
833 flag.enabled(enable);
837 case LFUN_DIALOG_SHOW_NEW_INSET:
838 flag.enabled(cur.inset().lyxCode() != ERT_CODE &&
839 cur.inset().lyxCode() != LISTINGS_CODE);
840 if (cur.inset().lyxCode() == CAPTION_CODE) {
842 if (cur.inset().getStatus(cur, cmd, flag))
855 Update::flags BufferView::dispatch(FuncRequest const & cmd)
857 //lyxerr << BOOST_CURRENT_FUNCTION
858 // << [ cmd = " << cmd << "]" << endl;
860 // Make sure that the cached BufferView is correct.
861 LYXERR(Debug::ACTION) << BOOST_CURRENT_FUNCTION
862 << " action[" << cmd.action << ']'
863 << " arg[" << to_utf8(cmd.argument()) << ']'
864 << " x[" << cmd.x << ']'
865 << " y[" << cmd.y << ']'
866 << " button[" << cmd.button() << ']'
869 Cursor & cur = d->cursor_;
870 // Default Update flags.
871 Update::flags updateFlags = Update::Force | Update::FitCursor;
873 switch (cmd.action) {
876 cur.message(_("Undo"));
877 cur.clearSelection();
878 if (!cur.textUndo()) {
879 cur.message(_("No further undo information"));
880 updateFlags = Update::None;
885 cur.message(_("Redo"));
886 cur.clearSelection();
887 if (!cur.textRedo()) {
888 cur.message(_("No further redo information"));
889 updateFlags = Update::None;
893 case LFUN_FILE_INSERT:
895 menuInsertLyXFile(to_utf8(cmd.argument()));
898 case LFUN_FILE_INSERT_PLAINTEXT_PARA:
900 insertPlaintextFile(to_utf8(cmd.argument()), true);
903 case LFUN_FILE_INSERT_PLAINTEXT:
905 insertPlaintextFile(to_utf8(cmd.argument()), false);
908 case LFUN_FONT_STATE:
909 cur.message(cur.currentState());
912 case LFUN_BOOKMARK_SAVE:
913 saveBookmark(convert<unsigned int>(to_utf8(cmd.argument())));
916 case LFUN_LABEL_GOTO: {
917 docstring label = cmd.argument();
920 getInsetByCode<InsetRef>(d->cursor_,
923 label = inset->getParam("reference");
924 // persistent=false: use temp_bookmark
934 case LFUN_PARAGRAPH_GOTO: {
935 int const id = convert<int>(to_utf8(cmd.argument()));
937 for (Buffer * b = &buffer_; i == 0 || b != &buffer_;
938 b = theBufferList().next(b)) {
940 ParIterator par = b->getParFromID(id);
941 if (par == b->par_iterator_end()) {
943 << "No matching paragraph found! ["
944 << id << "]." << endl;
947 << "Paragraph " << par->id()
948 << " found in buffer `"
949 << b->absFileName() << "'." << endl;
953 setCursor(makeDocIterator(par, 0));
955 // Switch to other buffer view and resend cmd
956 theLyXFunc().dispatch(FuncRequest(
957 LFUN_BUFFER_SWITCH, b->absFileName()));
958 theLyXFunc().dispatch(cmd);
959 updateFlags = Update::None;
969 gotoInset(this, NOTE_CODE, false);
972 case LFUN_REFERENCE_NEXT: {
973 vector<InsetCode> tmp;
974 tmp.push_back(LABEL_CODE);
975 tmp.push_back(REF_CODE);
976 gotoInset(this, tmp, true);
980 case LFUN_CHANGES_TRACK:
981 buffer_.params().trackChanges = !buffer_.params().trackChanges;
984 case LFUN_CHANGES_OUTPUT:
985 buffer_.params().outputChanges = !buffer_.params().outputChanges;
986 if (buffer_.params().outputChanges) {
987 bool dvipost = LaTeXFeatures::isAvailable("dvipost");
988 bool xcolorsoul = LaTeXFeatures::isAvailable("soul") &&
989 LaTeXFeatures::isAvailable("xcolor");
991 if (!dvipost && !xcolorsoul) {
992 Alert::warning(_("Changes not shown in LaTeX output"),
993 _("Changes will not be highlighted in LaTeX output, "
994 "because neither dvipost nor xcolor/soul are installed.\n"
995 "Please install these packages or redefine "
996 "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
997 } else if (!xcolorsoul) {
998 Alert::warning(_("Changes not shown in LaTeX output"),
999 _("Changes will not be highlighted in LaTeX output "
1000 "when using pdflatex, because xcolor and soul are not installed.\n"
1001 "Please install both packages or redefine "
1002 "\\lyxadded and \\lyxdeleted in the LaTeX preamble."));
1007 case LFUN_CHANGE_NEXT:
1008 findNextChange(this);
1011 case LFUN_CHANGES_MERGE:
1012 if (findNextChange(this))
1013 showDialog("changes");
1016 case LFUN_ALL_CHANGES_ACCEPT:
1017 // select complete document
1018 d->cursor_.reset(buffer_.inset());
1019 d->cursor_.selHandle(true);
1020 buffer_.text().cursorBottom(d->cursor_);
1021 // accept everything in a single step to support atomic undo
1022 buffer_.text().acceptOrRejectChanges(d->cursor_, Text::ACCEPT);
1025 case LFUN_ALL_CHANGES_REJECT:
1026 // select complete document
1027 d->cursor_.reset(buffer_.inset());
1028 d->cursor_.selHandle(true);
1029 buffer_.text().cursorBottom(d->cursor_);
1030 // reject everything in a single step to support atomic undo
1031 // Note: reject does not work recursively; the user may have to repeat the operation
1032 buffer_.text().acceptOrRejectChanges(d->cursor_, Text::REJECT);
1035 case LFUN_WORD_FIND:
1039 case LFUN_WORD_REPLACE: {
1040 bool has_deleted = false;
1041 if (cur.selection()) {
1042 DocIterator beg = cur.selectionBegin();
1043 DocIterator end = cur.selectionEnd();
1044 if (beg.pit() == end.pit()) {
1045 for (pos_type p = beg.pos() ; p < end.pos() ; ++p) {
1046 if (cur.paragraph().isDeleted(p))
1051 replace(this, cmd, has_deleted);
1056 cur.clearSelection();
1058 cur.message(from_utf8(N_("Mark off")));
1062 cur.clearSelection();
1065 cur.message(from_utf8(N_("Mark on")));
1068 case LFUN_MARK_TOGGLE:
1069 cur.clearSelection();
1072 cur.message(from_utf8(N_("Mark removed")));
1075 cur.message(from_utf8(N_("Mark set")));
1080 case LFUN_SCREEN_RECENTER:
1084 case LFUN_BIBTEX_DATABASE_ADD: {
1085 Cursor tmpcur = d->cursor_;
1086 findInset(tmpcur, BIBTEX_CODE, false);
1087 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1090 if (inset->addDatabase(to_utf8(cmd.argument())))
1091 buffer_.updateBibfilesCache();
1096 case LFUN_BIBTEX_DATABASE_DEL: {
1097 Cursor tmpcur = d->cursor_;
1098 findInset(tmpcur, BIBTEX_CODE, false);
1099 InsetBibtex * inset = getInsetByCode<InsetBibtex>(tmpcur,
1102 if (inset->delDatabase(to_utf8(cmd.argument())))
1103 buffer_.updateBibfilesCache();
1108 case LFUN_WORDS_COUNT: {
1109 DocIterator from, to;
1110 if (cur.selection()) {
1111 from = cur.selectionBegin();
1112 to = cur.selectionEnd();
1114 from = doc_iterator_begin(buffer_.inset());
1115 to = doc_iterator_end(buffer_.inset());
1117 int const count = countWords(from, to);
1120 if (cur.selection())
1121 message = bformat(_("%1$d words in selection."),
1124 message = bformat(_("%1$d words in document."),
1128 if (cur.selection())
1129 message = _("One word in selection.");
1131 message = _("One word in document.");
1134 Alert::information(_("Count words"), message);
1138 case LFUN_BUFFER_TOGGLE_COMPRESSION:
1139 // turn compression on/off
1140 buffer_.params().compressed = !buffer_.params().compressed;
1143 case LFUN_BUFFER_TOGGLE_EMBEDDING:
1144 // turn embedding on/off
1145 buffer_.embeddedFiles().enable(!buffer_.params().embedded);
1148 case LFUN_NEXT_INSET_TOGGLE: {
1149 // this is the real function we want to invoke
1150 FuncRequest tmpcmd = FuncRequest(LFUN_INSET_TOGGLE, cmd.origin);
1151 // if there is an inset at cursor, see whether it
1153 Inset * inset = cur.nextInset();
1155 if (inset->isActive()) {
1156 Cursor tmpcur = cur;
1157 tmpcur.pushBackward(*inset);
1158 inset->dispatch(tmpcur, tmpcmd);
1159 if (tmpcur.result().dispatched()) {
1162 } else if (inset->editable() == Inset::IS_EDITABLE) {
1163 inset->edit(cur, true);
1166 // if it did not work, try the underlying inset.
1167 if (!cur.result().dispatched())
1168 cur.dispatch(tmpcmd);
1170 if (cur.result().dispatched())
1171 cur.clearSelection();
1176 case LFUN_SCREEN_UP:
1177 case LFUN_SCREEN_DOWN: {
1178 Point p = getPos(cur, cur.boundary());
1179 if (p.y_ < 0 || p.y_ > height_) {
1180 // The cursor is off-screen so recenter before proceeding.
1183 //FIXME: updateMetrics() does not update paragraph position
1184 // This is done at draw() time. So we need a redraw!
1185 // But no screen update is needed.
1186 d->metrics_info_.update_strategy = NoScreenUpdate;
1188 p = getPos(cur, cur.boundary());
1190 scroll(cmd.action == LFUN_SCREEN_UP? - height_ : height_);
1191 cur.reset(buffer_.inset());
1192 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
1193 //FIXME: what to do with cur.x_target()?
1195 // The metrics are already up to date. see scroll()
1196 updateFlags = Update::None;
1200 case LFUN_SCREEN_UP_SELECT:
1201 case LFUN_SCREEN_DOWN_SELECT: {
1202 cur.selHandle(true);
1203 size_t initial_depth = cur.depth();
1204 Point const p = getPos(cur, cur.boundary());
1205 scroll(cmd.action == LFUN_SCREEN_UP_SELECT? - height_ : height_);
1206 // FIXME: We need to verify if the cursor stayed within an inset...
1207 //cur.reset(buffer_.inset());
1208 d->text_metrics_[&buffer_.text()].editXY(cur, p.x_, p.y_);
1210 while (cur.depth() > initial_depth) {
1213 // FIXME: we need to do a redraw again because of the selection
1214 // But no screen update is needed.
1215 d->metrics_info_.update_strategy = NoScreenUpdate;
1217 updateFlags = Update::Force | Update::FitCursor;
1222 updateFlags = Update::None;
1229 docstring const BufferView::requestSelection()
1231 Cursor & cur = d->cursor_;
1233 if (!cur.selection()) {
1234 d->xsel_cache_.set = false;
1238 if (!d->xsel_cache_.set ||
1239 cur.top() != d->xsel_cache_.cursor ||
1240 cur.anchor_.top() != d->xsel_cache_.anchor)
1242 d->xsel_cache_.cursor = cur.top();
1243 d->xsel_cache_.anchor = cur.anchor_.top();
1244 d->xsel_cache_.set = cur.selection();
1245 return cur.selectionAsString(false);
1251 void BufferView::clearSelection()
1253 d->cursor_.clearSelection();
1254 // Clear the selection buffer. Otherwise a subsequent
1255 // middle-mouse-button paste would use the selection buffer,
1256 // not the more current external selection.
1257 cap::clearSelection();
1258 d->xsel_cache_.set = false;
1259 // The buffer did not really change, but this causes the
1260 // redraw we need because we cleared the selection above.
1265 void BufferView::resize(int width, int height)
1267 // Update from work area
1275 Inset const * BufferView::getCoveringInset(Text const & text, int x, int y)
1277 TextMetrics & tm = d->text_metrics_[&text];
1278 Inset * inset = tm.checkInsetHit(x, y);
1282 if (!inset->descendable())
1283 // No need to go further down if the inset is not
1287 size_t cell_number = inset->nargs();
1288 // Check all the inner cell.
1289 for (size_t i = 0; i != cell_number; ++i) {
1290 Text const * inner_text = inset->getText(i);
1293 Inset const * inset_deeper =
1294 getCoveringInset(*inner_text, x, y);
1296 return inset_deeper;
1304 void BufferView::mouseEventDispatch(FuncRequest const & cmd0)
1306 //lyxerr << BOOST_CURRENT_FUNCTION << "[ cmd0 " << cmd0 << "]" << endl;
1308 // This is only called for mouse related events including
1309 // LFUN_FILE_OPEN generated by drag-and-drop.
1310 FuncRequest cmd = cmd0;
1313 cur.push(buffer_.inset());
1314 cur.selection() = d->cursor_.selection();
1316 // Either the inset under the cursor or the
1317 // surrounding Text will handle this event.
1319 // make sure we stay within the screen...
1320 cmd.y = min(max(cmd.y, -1), height_);
1322 if (cmd.action == LFUN_MOUSE_MOTION && cmd.button() == mouse_button::none) {
1324 // Get inset under mouse, if there is one.
1325 Inset const * covering_inset =
1326 getCoveringInset(buffer_.text(), cmd.x, cmd.y);
1327 if (covering_inset == d->last_inset_)
1328 // Same inset, no need to do anything...
1331 bool need_redraw = false;
1332 // const_cast because of setMouseHover().
1333 Inset * inset = const_cast<Inset *>(covering_inset);
1335 // Remove the hint on the last hovered inset (if any).
1336 need_redraw |= d->last_inset_->setMouseHover(false);
1338 // Highlighted the newly hovered inset (if any).
1339 need_redraw |= inset->setMouseHover(true);
1340 d->last_inset_ = inset;
1344 // if last metrics update was in singlepar mode, WorkArea::redraw() will
1345 // not expose the button for redraw. We adjust here the metrics dimension
1346 // to enable a full redraw in any case as this is not costly.
1347 TextMetrics & tm = d->text_metrics_[&buffer_.text()];
1348 std::pair<pit_type, ParagraphMetrics const *> firstpm = tm.first();
1349 std::pair<pit_type, ParagraphMetrics const *> lastpm = tm.last();
1350 int y1 = firstpm.second->position() - firstpm.second->ascent();
1351 int y2 = lastpm.second->position() + lastpm.second->descent();
1352 d->metrics_info_ = ViewMetricsInfo(firstpm.first, lastpm.first, y1, y2,
1353 FullScreenUpdate, buffer_.text().paragraphs().size());
1354 // Reinitialize anchor to first pit.
1355 d->anchor_ref_ = firstpm.first;
1356 d->offset_ref_ = -y1;
1357 LYXERR(Debug::PAINTING)
1358 << "Mouse hover detected at: (" << cmd.x << ", " << cmd.y << ")"
1359 << "\nTriggering redraw: y1: " << y1 << " y2: " << y2
1360 << " pit1: " << firstpm.first << " pit2: " << lastpm.first << endl;
1362 // This event (moving without mouse click) is not passed further.
1363 // This should be changed if it is further utilized.
1368 // Build temporary cursor.
1369 Inset * inset = d->text_metrics_[&buffer_.text()].editXY(cur, cmd.x, cmd.y);
1371 // Put anchor at the same position.
1374 // Try to dispatch to an non-editable inset near this position
1375 // via the temp cursor. If the inset wishes to change the real
1376 // cursor it has to do so explicitly by using
1377 // cur.bv().cursor() = cur; (or similar)
1379 inset->dispatch(cur, cmd);
1381 // Now dispatch to the temporary cursor. If the real cursor should
1382 // be modified, the inset's dispatch has to do so explicitly.
1383 if (!cur.result().dispatched())
1386 //Do we have a selection?
1387 theSelection().haveSelection(cursor().selection());
1389 // If the command has been dispatched,
1390 if (cur.result().dispatched()
1391 // an update is asked,
1392 && cur.result().update())
1393 processUpdateFlags(cur.result().update());
1397 void BufferView::scroll(int y)
1406 void BufferView::scrollDown(int offset)
1408 Text * text = &buffer_.text();
1409 TextMetrics & tm = d->text_metrics_[text];
1410 int ymax = height_ + offset;
1412 std::pair<pit_type, ParagraphMetrics const *> last = tm.last();
1413 int bottom_pos = last.second->position() + last.second->descent();
1414 if (last.first + 1 == int(text->paragraphs().size())) {
1415 if (bottom_pos <= height_)
1417 offset = min(offset, bottom_pos - height_);
1420 if (bottom_pos > ymax)
1422 tm.newParMetricsDown();
1424 d->offset_ref_ += offset;
1430 void BufferView::scrollUp(int offset)
1432 Text * text = &buffer_.text();
1433 TextMetrics & tm = d->text_metrics_[text];
1434 int ymin = - offset;
1436 std::pair<pit_type, ParagraphMetrics const *> first = tm.first();
1437 int top_pos = first.second->position() - first.second->ascent();
1438 if (first.first == 0) {
1441 offset = min(offset, - top_pos);
1446 tm.newParMetricsUp();
1448 d->offset_ref_ -= offset;
1454 void BufferView::setCursorFromRow(int row)
1459 buffer_.texrow().getIdFromRow(row, tmpid, tmppos);
1461 d->cursor_.reset(buffer_.inset());
1463 buffer_.text().setCursor(d->cursor_, 0, 0);
1465 buffer_.text().setCursor(d->cursor_, buffer_.getParFromID(tmpid).pit(), tmppos);
1469 void BufferView::gotoLabel(docstring const & label)
1471 for (InsetIterator it = inset_iterator_begin(buffer_.inset()); it; ++it) {
1472 vector<docstring> labels;
1473 it->getLabelList(buffer_, labels);
1474 if (std::find(labels.begin(), labels.end(), label) != labels.end()) {
1476 processUpdateFlags(Update::FitCursor);
1483 TextMetrics const & BufferView::textMetrics(Text const * t) const
1485 return const_cast<BufferView *>(this)->textMetrics(t);
1489 TextMetrics & BufferView::textMetrics(Text const * t)
1491 TextMetricsCache::iterator tmc_it = d->text_metrics_.find(t);
1492 if (tmc_it == d->text_metrics_.end()) {
1493 tmc_it = d->text_metrics_.insert(
1494 make_pair(t, TextMetrics(this, const_cast<Text *>(t)))).first;
1496 return tmc_it->second;
1500 ParagraphMetrics const & BufferView::parMetrics(Text const * t,
1503 return textMetrics(t).parMetrics(pit);
1507 int BufferView::workHeight() const
1513 void BufferView::setCursor(DocIterator const & dit)
1515 size_t const n = dit.depth();
1516 for (size_t i = 0; i < n; ++i)
1517 dit[i].inset().edit(d->cursor_, true);
1519 d->cursor_.setCursor(dit);
1520 d->cursor_.selection() = false;
1524 bool BufferView::checkDepm(Cursor & cur, Cursor & old)
1526 // Would be wrong to delete anything if we have a selection.
1527 if (cur.selection())
1530 bool need_anchor_change = false;
1531 bool changed = d->cursor_.text()->deleteEmptyParagraphMechanism(cur, old,
1532 need_anchor_change);
1534 if (need_anchor_change)
1540 updateLabels(buffer_);
1548 bool BufferView::mouseSetCursor(Cursor & cur, bool select)
1550 BOOST_ASSERT(&cur.bv() == this);
1553 // this event will clear selection so we save selection for
1554 // persistent selection
1555 cap::saveSelection(cursor());
1557 // Has the cursor just left the inset?
1558 bool badcursor = false;
1559 bool leftinset = (&d->cursor_.inset() != &cur.inset());
1561 badcursor = notifyCursorLeaves(d->cursor_, cur);
1563 // FIXME: shift-mouse selection doesn't work well across insets.
1564 bool do_selection = select && &d->cursor_.anchor().inset() == &cur.inset();
1566 // do the dEPM magic if needed
1567 // FIXME: (1) move this to InsetText::notifyCursorLeaves?
1568 // FIXME: (2) if we had a working InsetText::notifyCursorLeaves,
1569 // the leftinset bool would not be necessary (badcursor instead).
1570 bool update = leftinset;
1571 if (!do_selection && !badcursor && d->cursor_.inTexted())
1572 update |= checkDepm(cur, d->cursor_);
1574 // if the cursor was in an empty script inset and the new
1575 // position is in the nucleus of the inset, notifyCursorLeaves
1576 // will kill the script inset itself. So we check all the
1577 // elements of the cursor to make sure that they are correct.
1578 // For an example, see bug 2933:
1579 // http://bugzilla.lyx.org/show_bug.cgi?id=2933
1580 // The code below could maybe be moved to a DocIterator method.
1581 //lyxerr << "cur before " << cur <<std::endl;
1582 DocIterator dit(cur.inset());
1583 dit.push_back(cur.bottom());
1585 while (i < cur.depth() && dit.nextInset() == &cur[i].inset()) {
1586 dit.push_back(cur[i]);
1589 //lyxerr << "5 cur after" << dit <<std::endl;
1591 d->cursor_.setCursor(dit);
1592 d->cursor_.boundary(cur.boundary());
1594 d->cursor_.setSelection();
1596 d->cursor_.clearSelection();
1598 d->cursor_.finishUndo();
1599 d->cursor_.setCurrentFont();
1604 void BufferView::putSelectionAt(DocIterator const & cur,
1605 int length, bool backwards)
1607 d->cursor_.clearSelection();
1613 d->cursor_.pos() += length;
1614 d->cursor_.setSelection(d->cursor_, -length);
1616 d->cursor_.setSelection(d->cursor_, length);
1621 Cursor & BufferView::cursor()
1627 Cursor const & BufferView::cursor() const
1633 pit_type BufferView::anchor_ref() const
1635 return d->anchor_ref_;
1639 ViewMetricsInfo const & BufferView::viewMetricsInfo()
1641 return d->metrics_info_;
1645 bool BufferView::singleParUpdate()
1647 Text & buftext = buffer_.text();
1648 pit_type const bottom_pit = d->cursor_.bottom().pit();
1649 TextMetrics & tm = textMetrics(&buftext);
1650 int old_height = tm.parMetrics(bottom_pit).height();
1652 // In Single Paragraph mode, rebreak only
1653 // the (main text, not inset!) paragraph containing the cursor.
1654 // (if this paragraph contains insets etc., rebreaking will
1655 // recursively descend)
1656 tm.redoParagraph(bottom_pit);
1657 ParagraphMetrics const & pm = tm.parMetrics(bottom_pit);
1658 if (pm.height() != old_height)
1659 // Paragraph height has changed so we cannot proceed to
1660 // the singlePar optimisation.
1663 int y1 = pm.position() - pm.ascent();
1664 int y2 = pm.position() + pm.descent();
1665 d->metrics_info_ = ViewMetricsInfo(bottom_pit, bottom_pit, y1, y2,
1666 SingleParUpdate, buftext.paragraphs().size());
1667 LYXERR(Debug::PAINTING)
1668 << BOOST_CURRENT_FUNCTION
1671 << " pit: " << bottom_pit
1678 void BufferView::updateMetrics()
1680 Text & buftext = buffer_.text();
1681 pit_type const npit = int(buftext.paragraphs().size());
1683 if (d->anchor_ref_ > int(npit - 1)) {
1684 d->anchor_ref_ = int(npit - 1);
1688 // Clear out the position cache in case of full screen redraw,
1689 d->coord_cache_.clear();
1691 // Clear out paragraph metrics to avoid having invalid metrics
1692 // in the cache from paragraphs not relayouted below
1693 // The complete text metrics will be redone.
1694 d->text_metrics_.clear();
1696 TextMetrics & tm = textMetrics(&buftext);
1698 pit_type const pit = d->anchor_ref_;
1702 // Rebreak anchor paragraph.
1703 tm.redoParagraph(pit);
1705 // Take care of anchor offset if case a recentering is needed.
1708 int y0 = tm.parMetrics(pit).ascent() - d->offset_ref_;
1710 // Redo paragraphs above anchor if necessary.
1712 while (y1 > 0 && pit1 > 0) {
1713 y1 -= tm.parMetrics(pit1).ascent();
1715 tm.redoParagraph(pit1);
1716 y1 -= tm.parMetrics(pit1).descent();
1719 // Take care of ascent of first line
1720 y1 -= tm.parMetrics(pit1).ascent();
1722 // Normalize anchor for next time
1723 d->anchor_ref_ = pit1;
1724 d->offset_ref_ = -y1;
1726 // Grey at the beginning is ugly
1727 if (pit1 == 0 && y1 > 0) {
1733 // Redo paragraphs below the anchor if necessary.
1735 while (y2 < height_ && pit2 < int(npit) - 1) {
1736 y2 += tm.parMetrics(pit2).descent();
1738 tm.redoParagraph(pit2);
1739 y2 += tm.parMetrics(pit2).ascent();
1742 // Take care of descent of last line
1743 y2 += tm.parMetrics(pit2).descent();
1745 LYXERR(Debug::PAINTING)
1746 << BOOST_CURRENT_FUNCTION
1749 << " pit1: " << pit1
1750 << " pit2: " << pit2
1751 << " npit: " << npit
1755 d->metrics_info_ = ViewMetricsInfo(pit1, pit2, y1, y2,
1756 FullScreenUpdate, npit);
1758 if (lyxerr.debugging(Debug::WORKAREA)) {
1759 LYXERR(Debug::WORKAREA) << "BufferView::updateMetrics" << endl;
1760 d->coord_cache_.dump();
1765 void BufferView::menuInsertLyXFile(string const & filenm)
1767 BOOST_ASSERT(d->cursor_.inTexted());
1768 string filename = filenm;
1770 if (filename.empty()) {
1771 // Launch a file browser
1773 string initpath = lyxrc.document_path;
1774 string const trypath = buffer_.filePath();
1775 // If directory is writeable, use this as default.
1776 if (FileName(trypath).isDirWritable())
1780 FileDialog dlg(_("Select LyX document to insert"), LFUN_FILE_INSERT);
1781 dlg.setButton1(_("Documents|#o#O"), from_utf8(lyxrc.document_path));
1782 dlg.setButton2(_("Examples|#E#e"),
1783 from_utf8(addPath(package().system_support().absFilename(),
1786 FileDialog::Result result =
1787 dlg.open(from_utf8(initpath),
1788 FileFilterList(_("LyX Documents (*.lyx)")),
1791 if (result.first == FileDialog::Later)
1795 filename = to_utf8(result.second);
1797 // check selected filename
1798 if (filename.empty()) {
1799 // emit message signal.
1800 message(_("Canceled."));
1805 // Get absolute path of file and add ".lyx"
1806 // to the filename if necessary
1807 filename = fileSearch(string(), filename, "lyx").absFilename();
1809 docstring const disp_fn = makeDisplayPath(filename);
1810 // emit message signal.
1811 message(bformat(_("Inserting document %1$s..."), disp_fn));
1814 Buffer buf("", false);
1815 if (buf.loadLyXFile(FileName(filename))) {
1816 ErrorList & el = buffer_.errorList("Parse");
1817 // Copy the inserted document error list into the current buffer one.
1818 el = buf.errorList("Parse");
1819 buffer_.undo().recordUndo(d->cursor_);
1820 cap::pasteParagraphList(d->cursor_, buf.paragraphs(),
1821 buf.params().getTextClassPtr(), el);
1822 res = _("Document %1$s inserted.");
1824 res = _("Could not insert document %1$s");
1827 // emit message signal.
1828 message(bformat(res, disp_fn));
1829 buffer_.errors("Parse");
1834 Point BufferView::coordOffset(DocIterator const & dit, bool boundary) const
1840 // Addup contribution of nested insets, from inside to outside,
1841 // keeping the outer paragraph for a special handling below
1842 for (size_t i = dit.depth() - 1; i >= 1; --i) {
1843 CursorSlice const & sl = dit[i];
1847 // get relative position inside sl.inset()
1848 sl.inset().cursorPos(*this, sl, boundary && (i + 1 == dit.depth()), xx, yy);
1850 // Make relative position inside of the edited inset relative to sl.inset()
1854 // In case of an RTL inset, the edited inset will be positioned to the left
1857 bool boundary_i = boundary && i + 1 == dit.depth();
1858 bool rtl = textMetrics(sl.text()).isRTL(sl, boundary_i);
1863 // remember width for the case that sl.inset() is positioned in an RTL inset
1864 if (i && dit[i - 1].text()) {
1865 // If this Inset is inside a Text Inset, retrieve the Dimension
1866 // from the containing text instead of using Inset::dimension() which
1867 // might not be implemented.
1868 // FIXME (Abdel 23/09/2007): this is a bit messy because of the
1869 // elimination of Inset::dim_ cache. This coordOffset() method needs
1870 // to be rewritten in light of the new design.
1871 Dimension const & dim = parMetrics(dit[i - 1].text(),
1872 dit[i - 1].pit()).insetDimension(&sl.inset());
1875 Dimension const dim = sl.inset().dimension(*this);
1879 //lyxerr << "Cursor::getPos, i: "
1880 // << i << " x: " << xx << " y: " << y << endl;
1883 // Add contribution of initial rows of outermost paragraph
1884 CursorSlice const & sl = dit[0];
1885 TextMetrics const & tm = textMetrics(sl.text());
1886 ParagraphMetrics const & pm = tm.parMetrics(sl.pit());
1887 BOOST_ASSERT(!pm.rows().empty());
1888 y -= pm.rows()[0].ascent();
1890 // FIXME: document this mess
1892 if (sl.pos() > 0 && dit.depth() == 1) {
1894 if (pos && boundary)
1896 // lyxerr << "coordOffset: boundary:" << boundary << " depth:" << dit.depth() << " pos:" << pos << " sl.pos:" << sl.pos() << std::endl;
1897 rend = pm.pos2row(pos);
1899 rend = pm.pos2row(sl.pos());
1901 size_t rend = pm.pos2row(sl.pos());
1903 for (size_t rit = 0; rit != rend; ++rit)
1904 y += pm.rows()[rit].height();
1905 y += pm.rows()[rend].ascent();
1907 TextMetrics const & bottom_tm = textMetrics(dit.bottom().text());
1909 // Make relative position from the nested inset now bufferview absolute.
1910 int xx = bottom_tm.cursorX(dit.bottom(), boundary && dit.depth() == 1);
1913 // In the RTL case place the nested inset at the left of the cursor in
1914 // the outer paragraph
1915 bool boundary_1 = boundary && 1 == dit.depth();
1916 bool rtl = bottom_tm.isRTL(dit.bottom(), boundary_1);
1924 Point BufferView::getPos(DocIterator const & dit, bool boundary) const
1926 CursorSlice const & bot = dit.bottom();
1927 TextMetrics const & tm = textMetrics(bot.text());
1928 if (!tm.has(bot.pit()))
1929 return Point(-1, -1);
1931 Point p = coordOffset(dit, boundary); // offset from outer paragraph
1932 p.y_ += tm.parMetrics(bot.pit()).position();
1937 void BufferView::draw(frontend::Painter & pain)
1939 LYXERR(Debug::PAINTING) << "\t\t*** START DRAWING ***" << endl;
1940 Text & text = buffer_.text();
1941 TextMetrics const & tm = d->text_metrics_[&text];
1942 int const y = d->metrics_info_.y1
1943 + tm.parMetrics(d->metrics_info_.p1).ascent();
1944 PainterInfo pi(this, pain);
1946 switch (d->metrics_info_.update_strategy) {
1948 case NoScreenUpdate:
1949 // If no screen painting is actually needed, only some the different
1950 // coordinates of insets and paragraphs needs to be updated.
1951 pi.full_repaint = true;
1952 pi.pain.setDrawingEnabled(false);
1956 case SingleParUpdate:
1957 // Only the current outermost paragraph will be redrawn.
1958 pi.full_repaint = false;
1959 tm.drawParagraph(pi, d->metrics_info_.p1, 0, y);
1962 case DecorationUpdate:
1963 // FIXME: We should also distinguish DecorationUpdate to avoid text
1964 // drawing if possible. This is not possible to do easily right now
1965 // because of the single backing pixmap.
1967 case FullScreenUpdate:
1968 // The whole screen, including insets, will be refreshed.
1969 pi.full_repaint = true;
1971 // Clear background (if not delegated to rows)
1972 pain.fillRectangle(0, d->metrics_info_.y1, width_,
1973 d->metrics_info_.y2 - d->metrics_info_.y1,
1974 buffer_.inset().backgroundColor());
1977 // and grey out above (should not happen later)
1978 if (d->metrics_info_.y1 > 0)
1979 pain.fillRectangle(0, 0, width_,
1980 d->metrics_info_.y1, Color_bottomarea);
1982 // and possibly grey out below
1983 if (d->metrics_info_.y2 < height_)
1984 pain.fillRectangle(0, d->metrics_info_.y2, width_,
1985 height_ - d->metrics_info_.y2, Color_bottomarea);
1989 LYXERR(Debug::PAINTING) << "\n\t\t*** END DRAWING ***" << endl;
1993 void BufferView::message(docstring const & msg)
1996 d->gui_->message(msg);
2000 void BufferView::showDialog(std::string const & name)
2003 d->gui_->showDialog(name);
2007 void BufferView::showDialogWithData(std::string const & name,
2008 std::string const & data)
2011 d->gui_->showDialogWithData(name, data);
2015 void BufferView::showInsetDialog(std::string const & name,
2016 std::string const & data, Inset * inset)
2019 d->gui_->showInsetDialog(name, data, inset);
2023 void BufferView::updateDialog(std::string const & name, std::string const & data)
2026 d->gui_->updateDialog(name, data);
2030 void BufferView::setGuiDelegate(frontend::GuiBufferViewDelegate * gui)
2036 // FIXME: Move this out of BufferView again
2037 docstring BufferView::contentsOfPlaintextFile(string const & f,
2042 if (fname.empty()) {
2043 FileDialog dlg(_("Select file to insert"),
2045 ? LFUN_FILE_INSERT_PLAINTEXT_PARA
2046 : LFUN_FILE_INSERT_PLAINTEXT) );
2048 FileDialog::Result result =
2049 dlg.open(from_utf8(buffer().filePath()),
2050 FileFilterList(), docstring());
2052 if (result.first == FileDialog::Later)
2055 fname = makeAbsPath(to_utf8(result.second));
2061 if (!fname.isReadable()) {
2062 docstring const error = from_ascii(strerror(errno));
2063 docstring const file = makeDisplayPath(fname.absFilename(), 50);
2064 docstring const text =
2065 bformat(_("Could not read the specified document\n"
2066 "%1$s\ndue to the error: %2$s"), file, error);
2067 Alert::error(_("Could not read file"), text);
2071 ifstream ifs(fname.toFilesystemEncoding().c_str());
2073 docstring const error = from_ascii(strerror(errno));
2074 docstring const file = makeDisplayPath(fname.absFilename(), 50);
2075 docstring const text =
2076 bformat(_("Could not open the specified document\n"
2077 "%1$s\ndue to the error: %2$s"), file, error);
2078 Alert::error(_("Could not open file"), text);
2082 ifs.unsetf(std::ios::skipws);
2083 istream_iterator<char> ii(ifs);
2084 istream_iterator<char> end;
2085 #if !defined(USE_INCLUDED_STRING) && !defined(STD_STRING_IS_GOOD)
2086 // We use this until the compilers get better...
2087 std::vector<char> tmp;
2088 copy(ii, end, back_inserter(tmp));
2089 string const tmpstr(tmp.begin(), tmp.end());
2091 // This is what we want to use and what we will use once the
2092 // compilers get good enough.
2093 //string tmpstr(ii, end); // yet a reason for using std::string
2094 // alternate approach to get the file into a string:
2096 copy(ii, end, back_inserter(tmpstr));
2099 // FIXME UNICODE: We don't know the encoding of the file
2100 docstring file_content = from_utf8(tmpstr);
2101 if (file_content.empty()) {
2102 Alert::error(_("Reading not UTF-8 encoded file"),
2103 _("The file is not UTF-8 encoded.\n"
2104 "It will be read as local 8Bit-encoded.\n"
2105 "If this does not give the correct result\n"
2106 "then please change the encoding of the file\n"
2107 "to UTF-8 with a program other than LyX.\n"));
2108 file_content = from_local8bit(tmpstr);
2111 return normalize_c(file_content);
2115 void BufferView::insertPlaintextFile(string const & f, bool asParagraph)
2117 docstring const tmpstr = contentsOfPlaintextFile(f, asParagraph);
2122 Cursor & cur = cursor();
2123 cap::replaceSelection(cur);
2124 buffer_.undo().recordUndo(cur);
2126 cur.innerText()->insertStringAsParagraphs(cur, tmpstr);
2128 cur.innerText()->insertStringAsLines(cur, tmpstr);