1 /* This file is part of
2 * ======================================================
4 * LyX, The Document Processor
6 * Copyright 1995 Matthias Ettrich
7 * Copyright 1995-2001 The LyX Team.
9 * ====================================================== */
16 #include "paragraph.h"
17 #include "funcrequest.h"
18 #include "frontends/LyXView.h"
19 #include "undo_funcs.h"
21 #include "buffer_funcs.h"
22 #include "bufferparams.h"
23 #include "errorlist.h"
25 #include "BufferView.h"
26 #include "CutAndPaste.h"
27 #include "frontends/Painter.h"
28 #include "frontends/font_metrics.h"
32 #include "FloatList.h"
34 #include "ParagraphParameters.h"
36 #include "lyxrow_funcs.h"
37 #include "metricsinfo.h"
38 #include "paragraph_funcs.h"
40 #include "insets/insetbibitem.h"
41 #include "insets/insetenv.h"
42 #include "insets/insetfloat.h"
43 #include "insets/insetwrap.h"
45 #include "support/LAssert.h"
46 #include "support/textutils.h"
47 #include "support/lstrings.h"
49 #include <boost/tuple/tuple.hpp>
53 using namespace lyx::support;
63 LyXText::LyXText(BufferView * bv)
64 : height(0), width(0), anchor_row_offset_(0),
65 inset_owner(0), the_locking_inset(0), bv_owner(bv)
67 anchor_row_ = rows().end();
72 LyXText::LyXText(BufferView * bv, InsetText * inset)
73 : height(0), width(0), anchor_row_offset_(0),
74 inset_owner(inset), the_locking_inset(0), bv_owner(bv)
76 anchor_row_ = rows().end();
81 void LyXText::init(BufferView * bview)
89 anchor_row_ = rows().end();
90 anchor_row_offset_ = 0;
92 ParagraphList::iterator pit = ownerParagraphs().begin();
93 ParagraphList::iterator end = ownerParagraphs().end();
95 current_font = getFont(bview->buffer(), pit, 0);
97 for (; pit != end; ++pit)
98 insertParagraph(pit, rowlist_.end());
100 setCursorIntern(rowlist_.begin()->par(), 0);
101 selection.cursor = cursor;
107 // Gets the fully instantiated font at a given position in a paragraph
108 // Basically the same routine as Paragraph::getFont() in paragraph.C.
109 // The difference is that this one is used for displaying, and thus we
110 // are allowed to make cosmetic improvements. For instance make footnotes
112 // If position is -1, we get the layout font of the paragraph.
113 // If position is -2, we get the font of the manual label of the paragraph.
114 LyXFont const LyXText::getFont(Buffer const * buf, ParagraphList::iterator pit,
119 LyXLayout_ptr const & layout = pit->layout();
121 // We specialize the 95% common case:
122 if (!pit->getDepth()) {
123 if (layout->labeltype == LABEL_MANUAL
124 && pos < pit->beginningOfBody()) {
126 LyXFont f = pit->getFontSettings(buf->params, pos);
128 pit->inInset()->getDrawFont(f);
129 return f.realize(layout->reslabelfont);
131 LyXFont f = pit->getFontSettings(buf->params, pos);
133 pit->inInset()->getDrawFont(f);
134 return f.realize(layout->resfont);
138 // The uncommon case need not be optimized as much
142 if (pos < pit->beginningOfBody()) {
144 layoutfont = layout->labelfont;
147 layoutfont = layout->font;
150 LyXFont tmpfont = pit->getFontSettings(buf->params, pos);
151 tmpfont.realize(layoutfont);
154 pit->inInset()->getDrawFont(tmpfont);
156 // Realize with the fonts of lesser depth.
157 tmpfont.realize(outerFont(pit, ownerParagraphs()));
159 return realizeFont(tmpfont, buf->params);
163 LyXFont const LyXText::getLayoutFont(Buffer const * buf,
164 ParagraphList::iterator pit) const
166 LyXLayout_ptr const & layout = pit->layout();
168 if (!pit->getDepth()) {
169 return layout->resfont;
172 LyXFont font(layout->font);
173 // Realize with the fonts of lesser depth.
174 font.realize(outerFont(pit, ownerParagraphs()));
176 return realizeFont(font, buf->params);
180 LyXFont const LyXText::getLabelFont(Buffer const * buf,
181 ParagraphList::iterator pit) const
183 LyXLayout_ptr const & layout = pit->layout();
185 if (!pit->getDepth()) {
186 return layout->reslabelfont;
189 LyXFont font(layout->labelfont);
190 // Realize with the fonts of lesser depth.
191 font.realize(outerFont(pit, ownerParagraphs()));
193 return realizeFont(layout->labelfont, buf->params);
197 void LyXText::setCharFont(ParagraphList::iterator pit,
198 pos_type pos, LyXFont const & fnt,
201 Buffer const * buf = bv()->buffer();
202 LyXFont font = getFont(buf, pit, pos);
203 font.update(fnt, buf->params.language, toggleall);
204 // Let the insets convert their font
205 if (pit->isInset(pos)) {
206 InsetOld * inset = pit->getInset(pos);
207 if (isEditableInset(inset)) {
208 UpdatableInset * uinset =
209 static_cast<UpdatableInset *>(inset);
210 uinset->setFont(bv(), fnt, toggleall, true);
214 // Plug thru to version below:
215 setCharFont(buf, pit, pos, font);
219 void LyXText::setCharFont(Buffer const * buf, ParagraphList::iterator pit,
220 pos_type pos, LyXFont const & fnt)
224 LyXTextClass const & tclass = buf->params.getLyXTextClass();
225 LyXLayout_ptr const & layout = pit->layout();
227 // Get concrete layout font to reduce against
230 if (pos < pit->beginningOfBody())
231 layoutfont = layout->labelfont;
233 layoutfont = layout->font;
235 // Realize against environment font information
236 if (pit->getDepth()) {
237 ParagraphList::iterator tp = pit;
238 while (!layoutfont.resolved() &&
239 tp != ownerParagraphs().end() &&
241 tp = outerHook(tp, ownerParagraphs());
242 if (tp != ownerParagraphs().end())
243 layoutfont.realize(tp->layout()->font);
247 layoutfont.realize(tclass.defaultfont());
249 // Now, reduce font against full layout font
250 font.reduce(layoutfont);
252 pit->setFont(pos, font);
256 // removes the row and reset the touched counters
257 void LyXText::removeRow(RowList::iterator rit)
259 if (anchor_row_ == rit) {
260 if (rit != rows().begin()) {
261 anchor_row_ = boost::prior(rit);
262 anchor_row_offset_ += anchor_row_->height();
264 anchor_row_ = boost::next(rit);
265 anchor_row_offset_ -= rit->height();
269 // the text becomes smaller
270 height -= rit->height();
276 // remove all following rows of the paragraph of the specified row.
277 void LyXText::removeParagraph(RowList::iterator rit)
279 ParagraphList::iterator tmppit = rit->par();
282 while (rit != rows().end() && rit->par() == tmppit) {
283 RowList::iterator tmprit = boost::next(rit);
290 void LyXText::insertParagraph(ParagraphList::iterator pit,
291 RowList::iterator rowit)
293 // insert a new row, starting at position 0
295 RowList::iterator rit = rowlist_.insert(rowit, newrow);
297 // and now append the whole paragraph before the new row
298 appendParagraph(rit);
302 InsetOld * LyXText::getInset() const
304 ParagraphList::iterator pit = cursor.par();
305 pos_type const pos = cursor.pos();
307 if (pos < pit->size() && pit->isInset(pos)) {
308 return pit->getInset(pos);
314 void LyXText::toggleInset()
316 InsetOld * inset = getInset();
317 // is there an editable inset at cursor position?
318 if (!isEditableInset(inset)) {
319 // No, try to see if we are inside a collapsable inset
320 if (inset_owner && inset_owner->owner()
321 && inset_owner->owner()->isOpen()) {
322 bv()->unlockInset(inset_owner->owner());
323 inset_owner->owner()->close(bv());
324 bv()->getLyXText()->cursorRight(bv());
328 //bv()->owner()->message(inset->editMessage());
330 // do we want to keep this?? (JMarc)
331 if (!isHighlyEditableInset(inset))
332 recordUndo(bv(), Undo::ATOMIC);
334 if (inset->isOpen()) {
340 bv()->updateInset(inset);
344 /* used in setlayout */
345 // Asger is not sure we want to do this...
346 void LyXText::makeFontEntriesLayoutSpecific(Buffer const & buf,
349 LyXLayout_ptr const & layout = par.layout();
350 pos_type const psize = par.size();
353 for (pos_type pos = 0; pos < psize; ++pos) {
354 if (pos < par.beginningOfBody())
355 layoutfont = layout->labelfont;
357 layoutfont = layout->font;
359 LyXFont tmpfont = par.getFontSettings(buf.params, pos);
360 tmpfont.reduce(layoutfont);
361 par.setFont(pos, tmpfont);
366 ParagraphList::iterator
367 LyXText::setLayout(LyXCursor & cur, LyXCursor & sstart_cur,
368 LyXCursor & send_cur,
369 string const & layout)
371 ParagraphList::iterator endpit = boost::next(send_cur.par());
372 ParagraphList::iterator undoendpit = endpit;
373 ParagraphList::iterator pars_end = ownerParagraphs().end();
375 if (endpit != pars_end && endpit->getDepth()) {
376 while (endpit != pars_end && endpit->getDepth()) {
380 } else if (endpit != pars_end) {
381 // because of parindents etc.
385 recordUndo(bv(), Undo::ATOMIC, sstart_cur.par(), boost::prior(undoendpit));
387 // ok we have a selection. This is always between sstart_cur
388 // and sel_end cursor
390 ParagraphList::iterator pit = sstart_cur.par();
391 ParagraphList::iterator epit = boost::next(send_cur.par());
393 LyXLayout_ptr const & lyxlayout =
394 bv()->buffer()->params.getLyXTextClass()[layout];
397 pit->applyLayout(lyxlayout);
398 makeFontEntriesLayoutSpecific(*bv()->buffer(), *pit);
399 ParagraphList::iterator fppit = pit;
400 fppit->params().spaceTop(lyxlayout->fill_top ?
401 VSpace(VSpace::VFILL)
402 : VSpace(VSpace::NONE));
403 fppit->params().spaceBottom(lyxlayout->fill_bottom ?
404 VSpace(VSpace::VFILL)
405 : VSpace(VSpace::NONE));
406 if (lyxlayout->margintype == MARGIN_MANUAL)
407 pit->setLabelWidthString(lyxlayout->labelstring());
410 } while (pit != epit);
416 // set layout over selection and make a total rebreak of those paragraphs
417 void LyXText::setLayout(string const & layout)
419 LyXCursor tmpcursor = cursor; // store the current cursor
421 // if there is no selection just set the layout
422 // of the current paragraph
423 if (!selection.set()) {
424 selection.start = cursor; // dummy selection
425 selection.end = cursor;
428 // special handling of new environment insets
429 BufferParams const & params = bv()->buffer()->params;
430 LyXLayout_ptr const & lyxlayout = params.getLyXTextClass()[layout];
431 if (lyxlayout->is_environment) {
432 // move everything in a new environment inset
433 lyxerr << "setting layout " << layout << endl;
434 bv()->owner()->dispatch(FuncRequest(LFUN_HOME));
435 bv()->owner()->dispatch(FuncRequest(LFUN_ENDSEL));
436 bv()->owner()->dispatch(FuncRequest(LFUN_CUT));
437 InsetOld * inset = new InsetEnvironment(params, layout);
438 if (bv()->insertInset(inset)) {
440 //bv()->owner()->dispatch(FuncRequest(LFUN_PASTE));
447 ParagraphList::iterator endpit = setLayout(cursor, selection.start,
448 selection.end, layout);
449 redoParagraphs(selection.start, endpit);
451 // we have to reset the selection, because the
452 // geometry could have changed
453 setCursor(selection.start.par(), selection.start.pos(), false);
454 selection.cursor = cursor;
455 setCursor(selection.end.par(), selection.end.pos(), false);
459 setCursor(tmpcursor.par(), tmpcursor.pos(), true);
463 bool LyXText::changeDepth(bv_funcs::DEPTH_CHANGE type, bool test_only)
465 ParagraphList::iterator pit(cursor.par());
466 ParagraphList::iterator end(cursor.par());
467 ParagraphList::iterator start = pit;
469 if (selection.set()) {
470 pit = selection.start.par();
471 end = selection.end.par();
475 ParagraphList::iterator pastend = boost::next(end);
478 recordUndo(bv(), Undo::ATOMIC, start, end);
480 bool changed = false;
482 int prev_after_depth = 0;
483 #warning parlist ... could be nicer ?
484 if (start != ownerParagraphs().begin()) {
485 prev_after_depth = boost::prior(start)->getMaxDepthAfter();
489 int const depth = pit->params().depth();
490 if (type == bv_funcs::INC_DEPTH) {
491 if (depth < prev_after_depth
492 && pit->layout()->labeltype != LABEL_BIBLIO) {
495 pit->params().depth(depth + 1);
502 pit->params().depth(depth - 1);
505 prev_after_depth = pit->getMaxDepthAfter();
517 // Wow, redoParagraphs is stupid.
519 setCursor(tmpcursor, start, 0);
521 redoParagraphs(tmpcursor, pastend);
523 // We need to actually move the text->cursor. I don't
524 // understand why ...
527 // we have to reset the visual selection because the
528 // geometry could have changed
529 if (selection.set()) {
530 setCursor(selection.start.par(), selection.start.pos());
531 selection.cursor = cursor;
532 setCursor(selection.end.par(), selection.end.pos());
535 // this handles the counter labels, and also fixes up
536 // depth values for follow-on (child) paragraphs
540 setCursor(tmpcursor.par(), tmpcursor.pos());
546 // set font over selection and make a total rebreak of those paragraphs
547 void LyXText::setFont(LyXFont const & font, bool toggleall)
549 // if there is no selection just set the current_font
550 if (!selection.set()) {
551 // Determine basis font
553 if (cursor.pos() < cursor.par()->beginningOfBody()) {
554 layoutfont = getLabelFont(bv()->buffer(),
557 layoutfont = getLayoutFont(bv()->buffer(),
560 // Update current font
561 real_current_font.update(font,
562 bv()->buffer()->params.language,
565 // Reduce to implicit settings
566 current_font = real_current_font;
567 current_font.reduce(layoutfont);
568 // And resolve it completely
569 real_current_font.realize(layoutfont);
574 LyXCursor tmpcursor = cursor; // store the current cursor
576 // ok we have a selection. This is always between sel_start_cursor
577 // and sel_end cursor
579 recordUndo(bv(), Undo::ATOMIC, selection.start.par(), selection.end.par());
581 cursor = selection.start;
582 while (cursor.par() != selection.end.par() ||
583 cursor.pos() < selection.end.pos())
585 if (cursor.pos() < cursor.par()->size()) {
586 // an open footnote should behave like a closed one
587 setCharFont(cursor.par(), cursor.pos(),
589 cursor.pos(cursor.pos() + 1);
592 cursor.par(boost::next(cursor.par()));
597 redoParagraphs(selection.start, boost::next(selection.end.par()));
599 // we have to reset the selection, because the
600 // geometry could have changed, but we keep
601 // it for user convenience
602 setCursor(selection.start.par(), selection.start.pos());
603 selection.cursor = cursor;
604 setCursor(selection.end.par(), selection.end.pos());
606 setCursor(tmpcursor.par(), tmpcursor.pos(), true,
607 tmpcursor.boundary());
611 void LyXText::redoHeightOfParagraph()
613 RowList::iterator tmprow = cursorRow();
615 setHeightOfRow(tmprow);
617 while (tmprow != rows().begin()
618 && boost::prior(tmprow)->par() == tmprow->par()) {
620 setHeightOfRow(tmprow);
625 setCursor(cursor.par(), cursor.pos(), false, cursor.boundary());
629 // deletes and inserts again all paragraphs between the cursor
630 // and the specified par
631 // This function is needed after SetLayout and SetFont etc.
632 void LyXText::redoParagraphs(LyXCursor const & cur,
633 ParagraphList::iterator endpit)
635 RowList::iterator tmprit = getRow(cur);
637 ParagraphList::iterator first_phys_pit;
638 RowList::iterator prevrit;
639 if (tmprit == rows().begin()) {
640 // A trick/hack for UNDO.
641 // This is needed because in an UNDO/REDO we could have
642 // changed the ownerParagraph() so the paragraph inside
643 // the row is NOT my really first par anymore.
644 // Got it Lars ;) (Jug 20011206)
645 first_phys_pit = ownerParagraphs().begin();
646 prevrit = rows().end();
648 first_phys_pit = tmprit->par();
649 while (tmprit != rows().begin()
650 && boost::prior(tmprit)->par() == first_phys_pit)
654 prevrit = boost::prior(tmprit);
658 while (tmprit != rows().end() && tmprit->par() != endpit) {
659 RowList::iterator tmprit2 = tmprit++;
663 // Reinsert the paragraphs.
664 ParagraphList::iterator tmppit = first_phys_pit;
666 while (tmppit != ownerParagraphs().end()) {
667 insertParagraph(tmppit, tmprit);
668 while (tmprit != rows().end()
669 && tmprit->par() == tmppit) {
673 if (tmppit == endpit)
676 if (prevrit != rows().end())
677 setHeightOfRow(prevrit);
679 setHeightOfRow(rows().begin());
681 if (tmprit != rows().end())
682 setHeightOfRow(tmprit);
688 void LyXText::fullRebreak()
691 setCursorIntern(cursor.par(), cursor.pos());
695 void LyXText::metrics(MetricsInfo & mi, Dimension & dim)
697 //lyxerr << "LyXText::metrics: width: " << mi.base.textwidth << "\n";
703 anchor_row_ = rows().end();
704 anchor_row_offset_ = 0;
706 ParagraphList::iterator pit = ownerParagraphs().begin();
707 ParagraphList::iterator end = ownerParagraphs().end();
709 for (; pit != end; ++pit) {
710 InsetList::iterator ii = pit->insetlist.begin();
711 InsetList::iterator iend = pit->insetlist.end();
712 for (; ii != iend; ++ii) {
715 ii->inset->metrics(m, dim);
718 // insert a new row, starting at position 0
720 RowList::iterator rit = rowlist_.insert(rowlist_.end(), newrow);
722 // and now append the whole paragraph before the new row
723 appendParagraph(rit);
727 //lyxerr << "height 0: " << height << "\n";
728 //for (RowList::iterator rit = rows().begin(); rit != rows().end(); ++rit) {
729 // height += rit->height();
731 //lyxerr << "height 1: " << height << "\n";
734 dim.asc = rows().begin()->ascent_of_text();
735 dim.des = height - dim.asc;
736 dim.wid = std::max(mi.base.textwidth, int(width));
740 void LyXText::partialRebreak()
742 if (rows().empty()) {
746 breakAgain(rows().begin());
750 // important for the screen
753 // the cursor set functions have a special mechanism. When they
754 // realize, that you left an empty paragraph, they will delete it.
755 // They also delete the corresponding row
757 // need the selection cursor:
758 void LyXText::setSelection()
760 bool const lsel = TextCursor::setSelection();
762 if (inset_owner && (selection.set() || lsel))
763 inset_owner->setUpdateStatus(InsetText::SELECTION);
768 void LyXText::clearSelection()
770 TextCursor::clearSelection();
772 // reset this in the bv_owner!
773 if (bv_owner && bv_owner->text)
774 bv_owner->text->xsel_cache.set(false);
778 void LyXText::cursorHome()
780 setCursor(cursor.par(), cursorRow()->pos());
784 void LyXText::cursorEnd()
786 if (cursor.par()->empty())
789 RowList::iterator rit = cursorRow();
790 RowList::iterator next_rit = boost::next(rit);
791 ParagraphList::iterator pit = rit->par();
792 pos_type last_pos = lastPos(*this, rit);
794 if (next_rit == rows().end() || next_rit->par() != pit) {
798 (pit->getChar(last_pos) != ' ' && !pit->isNewline(last_pos))) {
803 setCursor(pit, last_pos);
807 void LyXText::cursorTop()
809 setCursor(ownerParagraphs().begin(), 0);
813 void LyXText::cursorBottom()
815 ParagraphList::iterator lastpit =
816 boost::prior(ownerParagraphs().end());
817 setCursor(lastpit, lastpit->size());
821 void LyXText::toggleFree(LyXFont const & font, bool toggleall)
823 // If the mask is completely neutral, tell user
824 if (font == LyXFont(LyXFont::ALL_IGNORE)) {
825 // Could only happen with user style
826 bv()->owner()->message(_("No font change defined. Use Character under the Layout menu to define font change."));
830 // Try implicit word selection
831 // If there is a change in the language the implicit word selection
833 LyXCursor resetCursor = cursor;
834 bool implicitSelection = (font.language() == ignore_language
835 && font.number() == LyXFont::IGNORE)
836 ? selectWordWhenUnderCursor(lyx::WHOLE_WORD_STRICT) : false;
839 setFont(font, toggleall);
841 // Implicit selections are cleared afterwards
842 //and cursor is set to the original position.
843 if (implicitSelection) {
845 cursor = resetCursor;
846 setCursor(cursor.par(), cursor.pos());
847 selection.cursor = cursor;
850 inset_owner->setUpdateStatus(InsetText::CURSOR_PAR);
854 string LyXText::getStringToIndex()
856 // Try implicit word selection
857 // If there is a change in the language the implicit word selection
859 LyXCursor const reset_cursor = cursor;
860 bool const implicitSelection =
861 selectWordWhenUnderCursor(lyx::PREVIOUS_WORD);
864 if (!selection.set())
865 bv()->owner()->message(_("Nothing to index!"));
866 else if (selection.start.par() != selection.end.par())
867 bv()->owner()->message(_("Cannot index more than one paragraph!"));
869 idxstring = selectionAsString(bv()->buffer(), false);
871 // Reset cursors to their original position.
872 cursor = reset_cursor;
873 setCursor(cursor.par(), cursor.pos());
874 selection.cursor = cursor;
876 // Clear the implicit selection.
877 if (implicitSelection)
884 // the DTP switches for paragraphs. LyX will store them in the first
885 // physicla paragraph. When a paragraph is broken, the top settings rest,
886 // the bottom settings are given to the new one. So I can make shure,
887 // they do not duplicate themself and you cannnot make dirty things with
890 void LyXText::setParagraph(bool line_top, bool line_bottom,
891 bool pagebreak_top, bool pagebreak_bottom,
892 VSpace const & space_top,
893 VSpace const & space_bottom,
894 Spacing const & spacing,
896 string const & labelwidthstring,
899 LyXCursor tmpcursor = cursor;
900 if (!selection.set()) {
901 selection.start = cursor;
902 selection.end = cursor;
905 // make sure that the depth behind the selection are restored, too
906 ParagraphList::iterator endpit = boost::next(selection.end.par());
907 ParagraphList::iterator undoendpit = endpit;
908 ParagraphList::iterator pars_end = ownerParagraphs().end();
910 if (endpit != pars_end && endpit->getDepth()) {
911 while (endpit != pars_end && endpit->getDepth()) {
915 } else if (endpit != pars_end) {
916 // because of parindents etc.
920 recordUndo(bv(), Undo::ATOMIC, selection.start.par(),
921 boost::prior(undoendpit));
924 ParagraphList::iterator tmppit = selection.end.par();
926 while (tmppit != boost::prior(selection.start.par())) {
927 setCursor(tmppit, 0);
929 ParagraphList::iterator pit = cursor.par();
930 ParagraphParameters & params = pit->params();
932 params.lineTop(line_top);
933 params.lineBottom(line_bottom);
934 params.pagebreakTop(pagebreak_top);
935 params.pagebreakBottom(pagebreak_bottom);
936 params.spaceTop(space_top);
937 params.spaceBottom(space_bottom);
938 params.spacing(spacing);
939 // does the layout allow the new alignment?
940 LyXLayout_ptr const & layout = pit->layout();
942 if (align == LYX_ALIGN_LAYOUT)
943 align = layout->align;
944 if (align & layout->alignpossible) {
945 if (align == layout->align)
946 params.align(LYX_ALIGN_LAYOUT);
950 pit->setLabelWidthString(labelwidthstring);
951 params.noindent(noindent);
952 tmppit = boost::prior(pit);
956 redoParagraphs(selection.start, endpit);
959 setCursor(selection.start.par(), selection.start.pos());
960 selection.cursor = cursor;
961 setCursor(selection.end.par(), selection.end.pos());
963 setCursor(tmpcursor.par(), tmpcursor.pos());
965 bv()->updateInset(inset_owner);
969 // set the counter of a paragraph. This includes the labels
970 void LyXText::setCounter(Buffer const * buf, ParagraphList::iterator pit)
972 LyXTextClass const & textclass = buf->params.getLyXTextClass();
973 LyXLayout_ptr const & layout = pit->layout();
975 if (pit != ownerParagraphs().begin()) {
977 pit->params().appendix(boost::prior(pit)->params().appendix());
978 if (!pit->params().appendix() &&
979 pit->params().startOfAppendix()) {
980 pit->params().appendix(true);
981 textclass.counters().reset();
983 pit->enumdepth = boost::prior(pit)->enumdepth;
984 pit->itemdepth = boost::prior(pit)->itemdepth;
986 pit->params().appendix(pit->params().startOfAppendix());
991 /* Maybe we have to increment the enumeration depth.
992 * BUT, enumeration in a footnote is considered in isolation from its
993 * surrounding paragraph so don't increment if this is the
994 * first line of the footnote
995 * AND, bibliographies can't have their depth changed ie. they
996 * are always of depth 0
998 if (pit != ownerParagraphs().begin()
999 && boost::prior(pit)->getDepth() < pit->getDepth()
1000 && boost::prior(pit)->layout()->labeltype == LABEL_COUNTER_ENUMI
1001 && pit->enumdepth < 3
1002 && layout->labeltype != LABEL_BIBLIO) {
1006 // Maybe we have to decrement the enumeration depth, see note above
1007 if (pit != ownerParagraphs().begin()
1008 && boost::prior(pit)->getDepth() > pit->getDepth()
1009 && layout->labeltype != LABEL_BIBLIO) {
1010 pit->enumdepth = depthHook(pit, ownerParagraphs(),
1011 pit->getDepth())->enumdepth;
1014 if (!pit->params().labelString().empty()) {
1015 pit->params().labelString(string());
1018 if (layout->margintype == MARGIN_MANUAL) {
1019 if (pit->params().labelWidthString().empty()) {
1020 pit->setLabelWidthString(layout->labelstring());
1023 pit->setLabelWidthString(string());
1026 // is it a layout that has an automatic label?
1027 if (layout->labeltype >= LABEL_COUNTER_CHAPTER) {
1028 int const i = layout->labeltype - LABEL_COUNTER_CHAPTER;
1032 if (i >= 0 && i <= buf->params.secnumdepth) {
1036 textclass.counters().step(layout->latexname());
1038 // Is there a label? Useful for Chapter layout
1039 if (!pit->params().appendix()) {
1040 s << buf->B_(layout->labelstring());
1042 s << buf->B_(layout->labelstring_appendix());
1045 // Use of an integer is here less than elegant. For now.
1046 int head = textclass.maxcounter() - LABEL_COUNTER_CHAPTER;
1047 if (!pit->params().appendix()) {
1048 numbertype = "sectioning";
1050 numbertype = "appendix";
1051 if (pit->isRightToLeftPar(buf->params))
1052 langtype = "hebrew";
1058 << textclass.counters()
1059 .numberLabel(layout->latexname(),
1060 numbertype, langtype, head);
1062 pit->params().labelString(STRCONV(s.str()));
1064 // reset enum counters
1065 textclass.counters().reset("enum");
1066 } else if (layout->labeltype < LABEL_COUNTER_ENUMI) {
1067 textclass.counters().reset("enum");
1068 } else if (layout->labeltype == LABEL_COUNTER_ENUMI) {
1070 // Yes I know this is a really, really! bad solution
1072 string enumcounter("enum");
1074 switch (pit->enumdepth) {
1083 enumcounter += "iv";
1086 // not a valid enumdepth...
1090 textclass.counters().step(enumcounter);
1092 s << textclass.counters()
1093 .numberLabel(enumcounter, "enumeration");
1094 pit->params().labelString(STRCONV(s.str()));
1096 } else if (layout->labeltype == LABEL_BIBLIO) {// ale970302
1097 textclass.counters().step("bibitem");
1098 int number = textclass.counters().value("bibitem");
1099 if (pit->bibitem()) {
1100 pit->bibitem()->setCounter(number);
1101 pit->params().labelString(layout->labelstring());
1103 // In biblio should't be following counters but...
1105 string s = buf->B_(layout->labelstring());
1107 // the caption hack:
1108 if (layout->labeltype == LABEL_SENSITIVE) {
1109 ParagraphList::iterator tmppit = pit;
1112 while (tmppit != ownerParagraphs().end() &&
1114 // the single '=' is intended below
1115 && (in = tmppit->inInset()->owner())) {
1116 if (in->lyxCode() == InsetOld::FLOAT_CODE ||
1117 in->lyxCode() == InsetOld::WRAP_CODE) {
1121 tmppit = std::find(ownerParagraphs().begin(), ownerParagraphs().end(), *in->parOwner());
1128 if (in->lyxCode() == InsetOld::FLOAT_CODE)
1129 type = static_cast<InsetFloat*>(in)->params().type;
1130 else if (in->lyxCode() == InsetOld::WRAP_CODE)
1131 type = static_cast<InsetWrap*>(in)->params().type;
1135 Floating const & fl = textclass.floats().getType(type);
1137 textclass.counters().step(fl.type());
1139 // Doesn't work... yet.
1140 s = bformat(_("%1$s #:"), buf->B_(fl.name()));
1142 // par->SetLayout(0);
1143 // s = layout->labelstring;
1144 s = _("Senseless: ");
1147 pit->params().labelString(s);
1149 // reset the enumeration counter. They are always reset
1150 // when there is any other layout between
1151 // Just fall-through between the cases so that all
1152 // enum counters deeper than enumdepth is also reset.
1153 switch (pit->enumdepth) {
1155 textclass.counters().reset("enumi");
1157 textclass.counters().reset("enumii");
1159 textclass.counters().reset("enumiii");
1161 textclass.counters().reset("enumiv");
1167 // Updates all counters. Paragraphs with changed label string will be rebroken
1168 void LyXText::updateCounters()
1170 RowList::iterator rowit = rows().begin();
1171 ParagraphList::iterator pit = rowit->par();
1173 // CHECK if this is really needed. (Lgb)
1174 bv()->buffer()->params.getLyXTextClass().counters().reset();
1176 ParagraphList::iterator beg = ownerParagraphs().begin();
1177 ParagraphList::iterator end = ownerParagraphs().end();
1178 for (; pit != end; ++pit) {
1179 while (rowit->par() != pit)
1182 string const oldLabel = pit->params().labelString();
1184 size_t maxdepth = 0;
1186 maxdepth = boost::prior(pit)->getMaxDepthAfter();
1188 if (pit->params().depth() > maxdepth)
1189 pit->params().depth(maxdepth);
1191 // setCounter can potentially change the labelString.
1192 setCounter(bv()->buffer(), pit);
1194 string const & newLabel = pit->params().labelString();
1196 if (oldLabel.empty() && !newLabel.empty()) {
1197 removeParagraph(rowit);
1198 appendParagraph(rowit);
1204 void LyXText::insertInset(InsetOld * inset)
1206 if (!cursor.par()->insetAllowed(inset->lyxCode()))
1208 recordUndo(bv(), Undo::ATOMIC, cursor.par());
1210 cursor.par()->insertInset(cursor.pos(), inset);
1211 // Just to rebreak and refresh correctly.
1212 // The character will not be inserted a second time
1213 insertChar(Paragraph::META_INSET);
1214 // If we enter a highly editable inset the cursor should be to before
1215 // the inset. This couldn't happen before as Undo was not handled inside
1216 // inset now after the Undo LyX tries to call inset->Edit(...) again
1217 // and cannot do this as the cursor is behind the inset and GetInset
1218 // does not return the inset!
1219 if (isHighlyEditableInset(inset)) {
1226 void LyXText::cutSelection(bool doclear, bool realcut)
1228 // Stuff what we got on the clipboard. Even if there is no selection.
1230 // There is a problem with having the stuffing here in that the
1231 // larger the selection the slower LyX will get. This can be
1232 // solved by running the line below only when the selection has
1233 // finished. The solution used currently just works, to make it
1234 // faster we need to be more clever and probably also have more
1235 // calls to stuffClipboard. (Lgb)
1236 bv()->stuffClipboard(selectionAsString(bv()->buffer(), true));
1238 // This doesn't make sense, if there is no selection
1239 if (!selection.set())
1242 // OK, we have a selection. This is always between selection.start
1243 // and selection.end
1245 // make sure that the depth behind the selection are restored, too
1246 ParagraphList::iterator endpit = boost::next(selection.end.par());
1247 ParagraphList::iterator undoendpit = endpit;
1248 ParagraphList::iterator pars_end = ownerParagraphs().end();
1250 if (endpit != pars_end && endpit->getDepth()) {
1251 while (endpit != pars_end && endpit->getDepth()) {
1253 undoendpit = endpit;
1255 } else if (endpit != pars_end) {
1256 // because of parindents etc.
1260 recordUndo(bv(), Undo::DELETE, selection.start.par(),
1261 boost::prior(undoendpit));
1264 endpit = selection.end.par();
1265 int endpos = selection.end.pos();
1267 boost::tie(endpit, endpos) = realcut ?
1268 CutAndPaste::cutSelection(bv()->buffer()->params,
1270 selection.start.par(), endpit,
1271 selection.start.pos(), endpos,
1272 bv()->buffer()->params.textclass,
1274 : CutAndPaste::eraseSelection(bv()->buffer()->params,
1276 selection.start.par(), endpit,
1277 selection.start.pos(), endpos,
1279 // sometimes necessary
1281 selection.start.par()->stripLeadingSpaces();
1283 redoParagraphs(selection.start, boost::next(endpit));
1284 #warning FIXME latent bug
1285 // endpit will be invalidated on redoParagraphs once ParagraphList
1286 // becomes a std::list? There are maybe other places on which this
1287 // can happend? (Ab)
1288 // cutSelection can invalidate the cursor so we need to set
1290 // we prefer the end for when tracking changes
1294 // need a valid cursor. (Lgb)
1297 setCursor(cursor.par(), cursor.pos());
1298 selection.cursor = cursor;
1303 void LyXText::copySelection()
1305 // stuff the selection onto the X clipboard, from an explicit copy request
1306 bv()->stuffClipboard(selectionAsString(bv()->buffer(), true));
1308 // this doesnt make sense, if there is no selection
1309 if (!selection.set())
1312 // ok we have a selection. This is always between selection.start
1313 // and sel_end cursor
1315 // copy behind a space if there is one
1316 while (selection.start.par()->size() > selection.start.pos()
1317 && selection.start.par()->isLineSeparator(selection.start.pos())
1318 && (selection.start.par() != selection.end.par()
1319 || selection.start.pos() < selection.end.pos()))
1320 selection.start.pos(selection.start.pos() + 1);
1322 CutAndPaste::copySelection(selection.start.par(),
1323 selection.end.par(),
1324 selection.start.pos(), selection.end.pos(),
1325 bv()->buffer()->params.textclass);
1329 void LyXText::pasteSelection(size_t sel_index)
1331 // this does not make sense, if there is nothing to paste
1332 if (!CutAndPaste::checkPastePossible())
1335 recordUndo(bv(), Undo::INSERT, cursor.par());
1337 ParagraphList::iterator endpit;
1342 boost::tie(ppp, endpit) =
1343 CutAndPaste::pasteSelection(*bv()->buffer(),
1345 cursor.par(), cursor.pos(),
1346 bv()->buffer()->params.textclass,
1348 bufferErrors(*bv()->buffer(), el);
1349 bv()->showErrorList(_("Paste"));
1351 redoParagraphs(cursor, endpit);
1353 setCursor(cursor.par(), cursor.pos());
1356 selection.cursor = cursor;
1357 setCursor(ppp.first, ppp.second);
1363 void LyXText::setSelectionRange(lyx::pos_type length)
1368 selection.cursor = cursor;
1375 // simple replacing. The font of the first selected character is used
1376 void LyXText::replaceSelectionWithString(string const & str)
1378 recordUndo(bv(), Undo::ATOMIC);
1381 if (!selection.set()) { // create a dummy selection
1382 selection.end = cursor;
1383 selection.start = cursor;
1386 // Get font setting before we cut
1387 pos_type pos = selection.end.pos();
1388 LyXFont const font = selection.start.par()
1389 ->getFontSettings(bv()->buffer()->params,
1390 selection.start.pos());
1392 // Insert the new string
1393 string::const_iterator cit = str.begin();
1394 string::const_iterator end = str.end();
1395 for (; cit != end; ++cit) {
1396 selection.end.par()->insertChar(pos, (*cit), font);
1400 // Cut the selection
1401 cutSelection(true, false);
1407 // needed to insert the selection
1408 void LyXText::insertStringAsLines(string const & str)
1410 ParagraphList::iterator pit = cursor.par();
1411 pos_type pos = cursor.pos();
1412 ParagraphList::iterator endpit = boost::next(cursor.par());
1414 recordUndo(bv(), Undo::ATOMIC);
1416 // only to be sure, should not be neccessary
1419 bv()->buffer()->insertStringAsLines(pit, pos, current_font, str);
1421 redoParagraphs(cursor, endpit);
1422 setCursor(cursor.par(), cursor.pos());
1423 selection.cursor = cursor;
1424 setCursor(pit, pos);
1429 // turns double-CR to single CR, others where converted into one
1430 // blank. Then InsertStringAsLines is called
1431 void LyXText::insertStringAsParagraphs(string const & str)
1433 string linestr(str);
1434 bool newline_inserted = false;
1435 string::size_type const siz = linestr.length();
1437 for (string::size_type i = 0; i < siz; ++i) {
1438 if (linestr[i] == '\n') {
1439 if (newline_inserted) {
1440 // we know that \r will be ignored by
1441 // InsertStringA. Of course, it is a dirty
1442 // trick, but it works...
1443 linestr[i - 1] = '\r';
1447 newline_inserted = true;
1449 } else if (IsPrintable(linestr[i])) {
1450 newline_inserted = false;
1453 insertStringAsLines(linestr);
1457 void LyXText::checkParagraph(ParagraphList::iterator pit, pos_type pos)
1459 breakAgain(getRow(pit, pos));
1461 setCursorIntern(cursor.par(), cursor.pos(), false, cursor.boundary());
1465 // returns false if inset wasn't found
1466 bool LyXText::updateInset(InsetOld * inset)
1468 // first check the current paragraph
1469 int pos = cursor.par()->getPositionOfInset(inset);
1471 checkParagraph(cursor.par(), pos);
1475 // check every paragraph
1476 ParagraphList::iterator par = ownerParagraphs().begin();
1477 ParagraphList::iterator end = ownerParagraphs().end();
1478 for (; par != end; ++par) {
1479 pos = par->getPositionOfInset(inset);
1481 checkParagraph(par, pos);
1490 bool LyXText::setCursor(ParagraphList::iterator pit,
1492 bool setfont, bool boundary)
1494 LyXCursor old_cursor = cursor;
1495 setCursorIntern(pit, pos, setfont, boundary);
1496 return deleteEmptyParagraphMechanism(old_cursor);
1500 void LyXText::setCursor(LyXCursor & cur, ParagraphList::iterator pit,
1501 pos_type pos, bool boundary)
1503 Assert(pit != ownerParagraphs().end());
1507 cur.boundary(boundary);
1511 // get the cursor y position in text
1513 RowList::iterator row = getRow(pit, pos, y);
1514 RowList::iterator beg = rows().begin();
1516 RowList::iterator old_row = row;
1517 // if we are before the first char of this row and are still in the
1518 // same paragraph and there is a previous row then put the cursor on
1519 // the end of the previous row
1520 cur.iy(y + row->baseline());
1523 boost::prior(row)->par() == row->par() &&
1524 pos < pit->size() &&
1525 pit->getChar(pos) == Paragraph::META_INSET) {
1526 InsetOld * ins = pit->getInset(pos);
1527 if (ins && (ins->needFullRow() || ins->display())) {
1533 // y is now the beginning of the cursor row
1534 y += row->baseline();
1535 // y is now the cursor baseline
1538 pos_type last = lastPrintablePos(*this, old_row);
1540 // None of these should happen, but we're scaredy-cats
1541 if (pos > pit->size()) {
1542 lyxerr << "dont like 1 please report" << endl;
1545 } else if (pos > last + 1) {
1546 lyxerr << "dont like 2 please report" << endl;
1547 // This shouldn't happen.
1550 } else if (pos < row->pos()) {
1551 lyxerr << "dont like 3 please report" << endl;
1556 // now get the cursors x position
1557 float x = getCursorX(row, pos, last, boundary);
1560 if (old_row != row) {
1561 x = getCursorX(old_row, pos, last, boundary);
1565 /* We take out this for the time being because 1) the redraw code is not
1566 prepared to this yet and 2) because some good policy has yet to be decided
1567 while editting: for instance how to act on rows being created/deleted
1571 //if the cursor is in a visible row, anchor to it
1573 if (topy < y && y < topy + bv()->workHeight())
1579 float LyXText::getCursorX(RowList::iterator rit,
1580 pos_type pos, pos_type last, bool boundary) const
1582 pos_type cursor_vpos = 0;
1586 int fill_label_hfill;
1587 // This call HAS to be here because of the BidiTables!!!
1588 prepareToPrint(rit, x, fill_separator, fill_hfill,
1591 ParagraphList::iterator rit_par = rit->par();
1592 pos_type const rit_pos = rit->pos();
1595 cursor_vpos = rit_pos;
1596 else if (pos > last && !boundary)
1597 cursor_vpos = (rit_par->isRightToLeftPar(bv()->buffer()->params))
1598 ? rit_pos : last + 1;
1599 else if (pos > rit_pos && (pos > last || boundary))
1600 /// Place cursor after char at (logical) position pos - 1
1601 cursor_vpos = (bidi_level(pos - 1) % 2 == 0)
1602 ? log2vis(pos - 1) + 1 : log2vis(pos - 1);
1604 /// Place cursor before char at (logical) position pos
1605 cursor_vpos = (bidi_level(pos) % 2 == 0)
1606 ? log2vis(pos) : log2vis(pos) + 1;
1608 pos_type body_pos = rit_par->beginningOfBody();
1609 if ((body_pos > 0) &&
1610 ((body_pos - 1 > last) || !rit_par->isLineSeparator(body_pos - 1)))
1613 for (pos_type vpos = rit_pos; vpos < cursor_vpos; ++vpos) {
1614 pos_type pos = vis2log(vpos);
1615 if (body_pos > 0 && pos == body_pos - 1) {
1616 x += fill_label_hfill +
1617 font_metrics::width(
1618 rit_par->layout()->labelsep,
1619 getLabelFont(bv()->buffer(), rit_par));
1620 if (rit_par->isLineSeparator(body_pos - 1))
1621 x -= singleWidth(rit_par, body_pos - 1);
1624 if (hfillExpansion(*this, rit, pos)) {
1625 x += singleWidth(rit_par, pos);
1626 if (pos >= body_pos)
1629 x += fill_label_hfill;
1630 } else if (rit_par->isSeparator(pos)) {
1631 x += singleWidth(rit_par, pos);
1632 if (pos >= body_pos)
1633 x += fill_separator;
1635 x += singleWidth(rit_par, pos);
1641 void LyXText::setCursorIntern(ParagraphList::iterator pit,
1642 pos_type pos, bool setfont, bool boundary)
1644 UpdatableInset * it = pit->inInset();
1646 if (it != inset_owner) {
1647 lyxerr[Debug::INSETS] << "InsetText is " << it
1649 << "inset_owner is "
1650 << inset_owner << endl;
1651 #ifdef WITH_WARNINGS
1652 #warning I believe this code is wrong. (Lgb)
1653 #warning Jürgen, have a look at this. (Lgb)
1654 #warning Hmmm, I guess you are right but we
1655 #warning should verify when this is needed
1657 // Jürgen, would you like to have a look?
1658 // I guess we need to move the outer cursor
1659 // and open and lock the inset (bla bla bla)
1660 // stuff I don't know... so can you have a look?
1662 // I moved the lyxerr stuff in here so we can see if
1663 // this is actually really needed and where!
1665 // it->getLyXText(bv())->setCursorIntern(bv(), par, pos, setfont, boundary);
1670 setCursor(cursor, pit, pos, boundary);
1676 void LyXText::setCurrentFont()
1678 pos_type pos = cursor.pos();
1679 ParagraphList::iterator pit = cursor.par();
1681 if (cursor.boundary() && pos > 0)
1685 if (pos == pit->size())
1687 else // potentional bug... BUG (Lgb)
1688 if (pit->isSeparator(pos)) {
1689 if (pos > cursorRow()->pos() &&
1690 bidi_level(pos) % 2 ==
1691 bidi_level(pos - 1) % 2)
1693 else if (pos + 1 < pit->size())
1699 pit->getFontSettings(bv()->buffer()->params, pos);
1700 real_current_font = getFont(bv()->buffer(), pit, pos);
1702 if (cursor.pos() == pit->size() &&
1703 isBoundary(bv()->buffer(), *pit, cursor.pos()) &&
1704 !cursor.boundary()) {
1705 Language const * lang =
1706 pit->getParLanguage(bv()->buffer()->params);
1707 current_font.setLanguage(lang);
1708 current_font.setNumber(LyXFont::OFF);
1709 real_current_font.setLanguage(lang);
1710 real_current_font.setNumber(LyXFont::OFF);
1715 // returns the column near the specified x-coordinate of the row
1716 // x is set to the real beginning of this column
1718 LyXText::getColumnNearX(RowList::iterator rit, int & x, bool & boundary) const
1723 int fill_label_hfill;
1725 prepareToPrint(rit, tmpx, fill_separator, fill_hfill, fill_label_hfill);
1727 pos_type vc = rit->pos();
1728 pos_type last = lastPrintablePos(*this, rit);
1731 ParagraphList::iterator rit_par = rit->par();
1732 LyXLayout_ptr const & layout = rit->par()->layout();
1734 bool left_side = false;
1736 pos_type body_pos = rit_par->beginningOfBody();
1737 int last_tmpx = tmpx;
1740 (body_pos - 1 > last ||
1741 !rit_par->isLineSeparator(body_pos - 1)))
1744 // check for empty row
1745 if (!rit_par->size()) {
1750 while (vc <= last && tmpx <= x) {
1753 if (body_pos > 0 && c == body_pos - 1) {
1754 tmpx += fill_label_hfill +
1755 font_metrics::width(layout->labelsep,
1756 getLabelFont(bv()->buffer(), rit_par));
1757 if (rit_par->isLineSeparator(body_pos - 1))
1758 tmpx -= singleWidth(rit_par, body_pos - 1);
1761 if (hfillExpansion(*this, rit, c)) {
1762 tmpx += singleWidth(rit_par, c);
1766 tmpx += fill_label_hfill;
1767 } else if (rit_par->isSeparator(c)) {
1768 tmpx += singleWidth(rit_par, c);
1770 tmpx += fill_separator;
1772 tmpx += singleWidth(rit_par, c);
1777 if ((tmpx + last_tmpx) / 2 > x) {
1782 if (vc > last + 1) // This shouldn't happen.
1786 // This (rtl_support test) is not needed, but gives
1787 // some speedup if rtl_support=false
1788 RowList::iterator next_rit = boost::next(rit);
1790 bool const lastrow = lyxrc.rtl_support &&
1791 (next_rit == rowlist_.end() ||
1792 next_rit->par() != rit_par);
1794 // If lastrow is false, we don't need to compute
1795 // the value of rtl.
1796 bool const rtl = (lastrow)
1797 ? rit_par->isRightToLeftPar(bv()->buffer()->params)
1800 ((rtl && left_side && vc == rit->pos() && x < tmpx - 5) ||
1801 (!rtl && !left_side && vc == last + 1 && x > tmpx + 5)))
1803 else if (vc == rit->pos()) {
1805 if (bidi_level(c) % 2 == 1)
1808 c = vis2log(vc - 1);
1809 bool const rtl = (bidi_level(c) % 2 == 1);
1810 if (left_side == rtl) {
1812 boundary = isBoundary(bv()->buffer(), *rit_par, c);
1816 if (rit->pos() <= last && c > last
1817 && rit_par->isNewline(last)) {
1818 if (bidi_level(last) % 2 == 0)
1819 tmpx -= singleWidth(rit_par, last);
1821 tmpx += singleWidth(rit_par, last);
1831 void LyXText::setCursorFromCoordinates(int x, int y)
1833 //LyXCursor old_cursor = cursor;
1834 setCursorFromCoordinates(cursor, x, y);
1836 #warning DEPM disabled, otherwise crash when entering new table
1837 //deleteEmptyParagraphMechanism(old_cursor);
1844 * return true if the cursor given is at the end of a row,
1845 * and the next row is filled by an inset that spans an entire
1848 bool beforeFullRowInset(LyXText & lt, LyXCursor const & cur)
1850 RowList::iterator row = lt.getRow(cur);
1851 if (boost::next(row) == lt.rows().end())
1854 Row const & next = *boost::next(row);
1856 if (next.pos() != cur.pos() || next.par() != cur.par())
1859 if (cur.pos() == cur.par()->size()
1860 || !cur.par()->isInset(cur.pos()))
1863 InsetOld const * inset = cur.par()->getInset(cur.pos());
1864 if (inset->needFullRow() || inset->display())
1872 void LyXText::setCursorFromCoordinates(LyXCursor & cur, int x, int y)
1874 // Get the row first.
1876 RowList::iterator row = getRowNearY(y);
1878 pos_type const column = getColumnNearX(row, x, bound);
1879 cur.par(row->par());
1880 cur.pos(row->pos() + column);
1882 cur.y(y + row->baseline());
1884 if (beforeFullRowInset(*this, cur)) {
1885 pos_type const last = lastPrintablePos(*this, row);
1886 RowList::iterator next_row = boost::next(row);
1888 float x = getCursorX(next_row, cur.pos(), last, bound);
1890 cur.iy(y + row->height() + next_row->baseline());
1895 cur.boundary(bound);
1899 void LyXText::cursorLeft(bool internal)
1901 if (cursor.pos() > 0) {
1902 bool boundary = cursor.boundary();
1903 setCursor(cursor.par(), cursor.pos() - 1, true, false);
1904 if (!internal && !boundary &&
1905 isBoundary(bv()->buffer(), *cursor.par(), cursor.pos() + 1))
1906 setCursor(cursor.par(), cursor.pos() + 1, true, true);
1907 } else if (cursor.par() != ownerParagraphs().begin()) { // steps into the above paragraph.
1908 ParagraphList::iterator pit = boost::prior(cursor.par());
1909 setCursor(pit, pit->size());
1914 void LyXText::cursorRight(bool internal)
1916 bool const at_end = (cursor.pos() == cursor.par()->size());
1917 bool const at_newline = !at_end &&
1918 cursor.par()->isNewline(cursor.pos());
1920 if (!internal && cursor.boundary() && !at_newline)
1921 setCursor(cursor.par(), cursor.pos(), true, false);
1923 setCursor(cursor.par(), cursor.pos() + 1, true, false);
1925 isBoundary(bv()->buffer(), *cursor.par(), cursor.pos()))
1926 setCursor(cursor.par(), cursor.pos(), true, true);
1927 } else if (boost::next(cursor.par()) != ownerParagraphs().end())
1928 setCursor(boost::next(cursor.par()), 0);
1932 void LyXText::cursorUp(bool selecting)
1935 int x = cursor.x_fix();
1936 int y = cursor.y() - cursorRow()->baseline() - 1;
1937 setCursorFromCoordinates(x, y);
1940 int y1 = cursor.iy() - topy;
1943 InsetOld * inset_hit = checkInsetHit(x, y1);
1944 if (inset_hit && isHighlyEditableInset(inset_hit)) {
1945 inset_hit->localDispatch(
1946 FuncRequest(bv(), LFUN_INSET_EDIT, x, y - (y2 - y1), mouse_button::none));
1950 setCursorFromCoordinates(bv(), cursor.x_fix(),
1951 cursor.y() - cursorRow()->baseline() - 1);
1956 void LyXText::cursorDown(bool selecting)
1959 int x = cursor.x_fix();
1960 int y = cursor.y() - cursorRow()->baseline() + cursorRow()->height() + 1;
1961 setCursorFromCoordinates(x, y);
1962 if (!selecting && cursorRow() == cursorIRow()) {
1964 int y1 = cursor.iy() - topy;
1967 InsetOld * inset_hit = checkInsetHit(x, y1);
1968 if (inset_hit && isHighlyEditableInset(inset_hit)) {
1969 FuncRequest cmd(bv(), LFUN_INSET_EDIT, x, y - (y2 - y1), mouse_button::none);
1970 inset_hit->localDispatch(cmd);
1974 setCursorFromCoordinates(bv(), cursor.x_fix(),
1975 cursor.y() - cursorRow()->baseline()
1976 + cursorRow()->height() + 1);
1981 void LyXText::cursorUpParagraph()
1983 if (cursor.pos() > 0) {
1984 setCursor(cursor.par(), 0);
1986 else if (cursor.par() != ownerParagraphs().begin()) {
1987 setCursor(boost::prior(cursor.par()), 0);
1992 void LyXText::cursorDownParagraph()
1994 ParagraphList::iterator par = cursor.par();
1995 ParagraphList::iterator next_par = boost::next(par);
1997 if (next_par != ownerParagraphs().end()) {
1998 setCursor(next_par, 0);
2000 setCursor(par, par->size());
2004 // fix the cursor `cur' after a characters has been deleted at `where'
2005 // position. Called by deleteEmptyParagraphMechanism
2006 void LyXText::fixCursorAfterDelete(LyXCursor & cur,
2007 LyXCursor const & where)
2009 // if cursor is not in the paragraph where the delete occured,
2011 if (cur.par() != where.par())
2014 // if cursor position is after the place where the delete occured,
2016 if (cur.pos() > where.pos())
2017 cur.pos(cur.pos()-1);
2019 // check also if we don't want to set the cursor on a spot behind the
2020 // pagragraph because we erased the last character.
2021 if (cur.pos() > cur.par()->size())
2022 cur.pos(cur.par()->size());
2024 // recompute row et al. for this cursor
2025 setCursor(cur, cur.par(), cur.pos(), cur.boundary());
2029 bool LyXText::deleteEmptyParagraphMechanism(LyXCursor const & old_cursor)
2031 // Would be wrong to delete anything if we have a selection.
2032 if (selection.set())
2035 // We allow all kinds of "mumbo-jumbo" when freespacing.
2036 if (old_cursor.par()->layout()->free_spacing
2037 || old_cursor.par()->isFreeSpacing()) {
2041 /* Ok I'll put some comments here about what is missing.
2042 I have fixed BackSpace (and thus Delete) to not delete
2043 double-spaces automagically. I have also changed Cut,
2044 Copy and Paste to hopefully do some sensible things.
2045 There are still some small problems that can lead to
2046 double spaces stored in the document file or space at
2047 the beginning of paragraphs. This happens if you have
2048 the cursor betwenn to spaces and then save. Or if you
2049 cut and paste and the selection have a space at the
2050 beginning and then save right after the paste. I am
2051 sure none of these are very hard to fix, but I will
2052 put out 1.1.4pre2 with FIX_DOUBLE_SPACE defined so
2053 that I can get some feedback. (Lgb)
2056 // If old_cursor.pos() == 0 and old_cursor.pos()(1) == LineSeparator
2057 // delete the LineSeparator.
2060 // If old_cursor.pos() == 1 and old_cursor.pos()(0) == LineSeparator
2061 // delete the LineSeparator.
2064 // If the pos around the old_cursor were spaces, delete one of them.
2065 if (old_cursor.par() != cursor.par()
2066 || old_cursor.pos() != cursor.pos()) {
2067 // Only if the cursor has really moved
2069 if (old_cursor.pos() > 0
2070 && old_cursor.pos() < old_cursor.par()->size()
2071 && old_cursor.par()->isLineSeparator(old_cursor.pos())
2072 && old_cursor.par()->isLineSeparator(old_cursor.pos() - 1)) {
2073 old_cursor.par()->erase(old_cursor.pos() - 1);
2074 redoParagraphs(old_cursor, boost::next(old_cursor.par()));
2076 #ifdef WITH_WARNINGS
2077 #warning This will not work anymore when we have multiple views of the same buffer
2078 // In this case, we will have to correct also the cursors held by
2079 // other bufferviews. It will probably be easier to do that in a more
2080 // automated way in LyXCursor code. (JMarc 26/09/2001)
2082 // correct all cursors held by the LyXText
2083 fixCursorAfterDelete(cursor, old_cursor);
2084 fixCursorAfterDelete(selection.cursor,
2086 fixCursorAfterDelete(selection.start,
2088 fixCursorAfterDelete(selection.end, old_cursor);
2089 fixCursorAfterDelete(last_sel_cursor,
2091 fixCursorAfterDelete(toggle_cursor, old_cursor);
2092 fixCursorAfterDelete(toggle_end_cursor,
2098 // don't delete anything if this is the ONLY paragraph!
2099 if (ownerParagraphs().size() == 1)
2102 // Do not delete empty paragraphs with keepempty set.
2103 if (old_cursor.par()->allowEmpty())
2106 // only do our magic if we changed paragraph
2107 if (old_cursor.par() == cursor.par())
2110 // record if we have deleted a paragraph
2111 // we can't possibly have deleted a paragraph before this point
2112 bool deleted = false;
2114 if (old_cursor.par()->empty() ||
2115 (old_cursor.par()->size() == 1 &&
2116 old_cursor.par()->isLineSeparator(0))) {
2117 // ok, we will delete anything
2118 LyXCursor tmpcursor;
2122 bool selection_position_was_oldcursor_position = (
2123 selection.cursor.par() == old_cursor.par()
2124 && selection.cursor.pos() == old_cursor.pos());
2126 if (getRow(old_cursor) != rows().begin()) {
2127 RowList::iterator prevrow = boost::prior(getRow(old_cursor));
2130 cursor = old_cursor; // that undo can restore the right cursor position
2131 #warning FIXME. --end() iterator is usable here
2132 ParagraphList::iterator endpit = boost::next(old_cursor.par());
2133 while (endpit != ownerParagraphs().end() &&
2134 endpit->getDepth()) {
2138 recordUndo(bv(), Undo::DELETE, old_cursor.par(),
2139 boost::prior(endpit));
2143 removeRow(getRow(old_cursor));
2145 ownerParagraphs().erase(old_cursor.par());
2147 /* Breakagain the next par. Needed because of
2148 * the parindent that can occur or dissappear.
2149 * The next row can change its height, if
2150 * there is another layout before */
2151 RowList::iterator tmprit = boost::next(prevrow);
2152 if (tmprit != rows().end()) {
2156 setHeightOfRow(prevrow);
2158 RowList::iterator nextrow = boost::next(getRow(old_cursor));
2162 cursor = old_cursor; // that undo can restore the right cursor position
2163 #warning FIXME. --end() iterator is usable here
2164 ParagraphList::iterator endpit = boost::next(old_cursor.par());
2165 while (endpit != ownerParagraphs().end() &&
2166 endpit->getDepth()) {
2170 recordUndo(bv(), Undo::DELETE, old_cursor.par(), boost::prior(endpit));
2174 removeRow(getRow(old_cursor));
2176 ownerParagraphs().erase(old_cursor.par());
2178 /* Breakagain the next par. Needed because of
2179 the parindent that can occur or dissappear.
2180 The next row can change its height, if
2181 there is another layout before */
2182 if (nextrow != rows().end()) {
2183 breakAgain(nextrow);
2189 setCursorIntern(cursor.par(), cursor.pos());
2191 if (selection_position_was_oldcursor_position) {
2192 // correct selection
2193 selection.cursor = cursor;
2197 if (old_cursor.par()->stripLeadingSpaces()) {
2198 redoParagraphs(old_cursor, boost::next(old_cursor.par()));
2200 setCursorIntern(cursor.par(), cursor.pos());
2201 selection.cursor = cursor;
2208 ParagraphList & LyXText::ownerParagraphs() const
2211 return inset_owner->paragraphs;
2213 return bv_owner->buffer()->paragraphs;
2217 bool LyXText::needRefresh() const
2219 return need_refresh_;
2223 void LyXText::clearPaint()
2225 need_refresh_ = false;
2229 void LyXText::postPaint()
2231 need_refresh_ = true;
2233 // We are an inset's lyxtext. Tell the top-level lyxtext
2234 // it needs to update the row we're in.
2236 bv()->text->postPaint();
2240 bool LyXText::isInInset() const
2242 // Sub-level has non-null bv owner and
2243 // non-null inset owner.
2244 return inset_owner != 0 && bv_owner != 0;
2248 int defaultRowHeight()
2250 LyXFont const font(LyXFont::ALL_SANE);
2251 return int(font_metrics::maxAscent(font)
2252 + font_metrics::maxDescent(font) * 1.5);