2 * \file CutAndPaste.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Lars Gullik Bjønnes
8 * \author Alfredo Braunstein
11 * Full author contact details are available in file CREDITS.
16 #include "CutAndPaste.h"
19 #include "buffer_funcs.h"
20 #include "BufferParams.h"
21 #include "BufferView.h"
24 #include "ErrorList.h"
25 #include "FuncRequest.h"
26 #include "InsetIterator.h"
27 #include "InsetList.h"
33 #include "TextClassList.h"
34 #include "Paragraph.h"
35 #include "paragraph_funcs.h"
36 #include "ParagraphParameters.h"
37 #include "ParIterator.h"
40 #include "insets/InsetFlex.h"
41 #include "insets/InsetGraphics.h"
42 #include "insets/InsetGraphicsParams.h"
43 #include "insets/InsetTabular.h"
45 #include "mathed/MathData.h"
46 #include "mathed/InsetMath.h"
47 #include "mathed/MathSupport.h"
49 #include "support/debug.h"
50 #include "support/docstream.h"
51 #include "support/gettext.h"
52 #include "support/limited_stack.h"
53 #include "support/lstrings.h"
55 #include "frontends/Clipboard.h"
56 #include "frontends/Selection.h"
58 #include <boost/tuple/tuple.hpp>
59 #include <boost/next_prior.hpp>
64 using namespace lyx::support;
65 using lyx::frontend::Clipboard;
71 typedef pair<pit_type, int> PitPosPair;
73 typedef limited_stack<pair<ParagraphList, TextClassPtr> > CutStack;
76 // persistent selection, cleared until the next selection
77 CutStack selectionBuffer(1);
79 // store whether the tabular stack is newer than the normal copy stack
80 // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
81 // when we (hopefully) have a one-for-all paste mechanism.
82 bool dirty_tabular_stack_ = false;
85 void region(CursorSlice const & i1, CursorSlice const & i2,
86 Inset::row_type & r1, Inset::row_type & r2,
87 Inset::col_type & c1, Inset::col_type & c2)
89 Inset & p = i1.inset();
101 bool checkPastePossible(int index)
103 return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
107 pair<PitPosPair, pit_type>
108 pasteSelectionHelper(Cursor & cur, ParagraphList const & parlist,
109 TextClassPtr textclass, ErrorList & errorlist)
111 Buffer const & buffer = cur.buffer();
112 pit_type pit = cur.pit();
113 pos_type pos = cur.pos();
114 ParagraphList & pars = cur.text()->paragraphs();
117 return make_pair(PitPosPair(pit, pos), pit);
119 BOOST_ASSERT (pos <= pars[pit].size());
121 // Make a copy of the CaP paragraphs.
122 ParagraphList insertion = parlist;
123 TextClassPtr const tc = buffer.params().getTextClassPtr();
125 // Now remove all out of the pars which is NOT allowed in the
126 // new environment and set also another font if that is required.
128 // Convert newline to paragraph break in ERT inset.
129 // This should not be here!
130 if (pars[pit].inInset() &&
131 (pars[pit].inInset()->lyxCode() == ERT_CODE ||
132 pars[pit].inInset()->lyxCode() == LISTINGS_CODE)) {
133 for (ParagraphList::size_type i = 0; i < insertion.size(); ++i) {
134 for (pos_type j = 0; j < insertion[i].size(); ++j) {
135 if (insertion[i].isNewline(j)) {
136 // do not track deletion of newline
137 insertion[i].eraseChar(j, false);
138 breakParagraphConservative(
146 // If we are in an inset which returns forceDefaultParagraphs,
147 // set the paragraphs to default
148 if (cur.inset().forceDefaultParagraphs(cur.idx())) {
149 LayoutPtr const layout =
150 buffer.params().getTextClass().defaultLayout();
151 ParagraphList::iterator const end = insertion.end();
152 for (ParagraphList::iterator par = insertion.begin();
157 // Make sure there is no class difference.
159 // This works without copying any paragraph data because we have
160 // a specialized swap method for ParagraphList. This is important
161 // since we store pointers to insets at some places and we don't
162 // want to invalidate them.
163 insertion.swap(in.paragraphs());
164 cap::switchBetweenClasses(textclass, tc, in, errorlist);
165 insertion.swap(in.paragraphs());
167 ParagraphList::iterator tmpbuf = insertion.begin();
168 int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
170 depth_type max_depth = pars[pit].getMaxDepthAfter();
172 for (; tmpbuf != insertion.end(); ++tmpbuf) {
173 // If we have a negative jump so that the depth would
174 // go below 0 depth then we have to redo the delta to
175 // this new max depth level so that subsequent
176 // paragraphs are aligned correctly to this paragraph
178 if (int(tmpbuf->params().depth()) + depth_delta < 0)
181 // Set the right depth so that we are not too deep or shallow.
182 tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
183 if (tmpbuf->params().depth() > max_depth)
184 tmpbuf->params().depth(max_depth);
186 // Only set this from the 2nd on as the 2nd depends
187 // for maxDepth still on pit.
188 if (tmpbuf != insertion.begin())
189 max_depth = tmpbuf->getMaxDepthAfter();
191 // Set the inset owner of this paragraph.
192 tmpbuf->setInsetOwner(pars[pit].inInset());
193 for (pos_type i = 0; i < tmpbuf->size(); ++i) {
194 if (tmpbuf->isInset(i) &&
195 !pars[pit].insetAllowed(tmpbuf->getInset(i)->lyxCode()))
196 // do not track deletion of invalid insets
197 tmpbuf->eraseChar(i--, false);
200 tmpbuf->setChange(Change(buffer.params().trackChanges ?
201 Change::INSERTED : Change::UNCHANGED));
204 bool const empty = pars[pit].empty();
206 // Make the buf exactly the same layout as the cursor
208 insertion.begin()->makeSameLayout(pars[pit]);
211 // Prepare the paragraphs and insets for insertion.
212 // A couple of insets store buffer references so need updating.
213 insertion.swap(in.paragraphs());
215 ParIterator fpit = par_iterator_begin(in);
216 ParIterator fend = par_iterator_end(in);
218 for (; fpit != fend; ++fpit) {
219 InsetList::const_iterator lit = fpit->insetList().begin();
220 InsetList::const_iterator eit = fpit->insetList().end();
222 for (; lit != eit; ++lit) {
223 switch (lit->inset->lyxCode()) {
225 InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
235 insertion.swap(in.paragraphs());
237 // Split the paragraph for inserting the buf if necessary.
239 breakParagraphConservative(buffer.params(), pars, pit, pos);
243 pars.insert(boost::next(pars.begin(), pit),
247 // merge the empty par with the last par of the insertion
248 mergeParagraph(buffer.params(), pars,
249 pit + insertion.size() - 1);
251 pars.insert(boost::next(pars.begin(), pit + 1),
255 // merge the first par of the insertion with the current par
256 mergeParagraph(buffer.params(), pars, pit);
259 pit_type last_paste = pit + insertion.size() - 1;
261 // Store the new cursor position.
263 pos = pars[last_paste].size();
265 // Join (conditionally) last pasted paragraph with next one, i.e.,
266 // the tail of the spliced document paragraph
267 if (!empty && last_paste + 1 != pit_type(pars.size())) {
268 if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
269 mergeParagraph(buffer.params(), pars, last_paste);
270 } else if (pars[last_paste + 1].empty()) {
271 pars[last_paste + 1].makeSameLayout(pars[last_paste]);
272 mergeParagraph(buffer.params(), pars, last_paste);
273 } else if (pars[last_paste].empty()) {
274 pars[last_paste].makeSameLayout(pars[last_paste + 1]);
275 mergeParagraph(buffer.params(), pars, last_paste);
277 pars[last_paste + 1].stripLeadingSpaces(buffer.params().trackChanges);
282 return make_pair(PitPosPair(pit, pos), last_paste + 1);
286 PitPosPair eraseSelectionHelper(BufferParams const & params,
287 ParagraphList & pars,
288 pit_type startpit, pit_type endpit,
289 int startpos, int endpos)
291 // Start of selection is really invalid.
292 if (startpit == pit_type(pars.size()) ||
293 (startpos > pars[startpit].size()))
294 return PitPosPair(endpit, endpos);
296 // Start and end is inside same paragraph
297 if (endpit == pit_type(pars.size()) || startpit == endpit) {
298 endpos -= pars[startpit].eraseChars(startpos, endpos, params.trackChanges);
299 return PitPosPair(endpit, endpos);
302 for (pit_type pit = startpit; pit != endpit + 1;) {
303 pos_type const left = (pit == startpit ? startpos : 0);
304 pos_type right = (pit == endpit ? endpos : pars[pit].size() + 1);
305 bool const merge = pars[pit].isMergedOnEndOfParDeletion(params.trackChanges);
307 // Logically erase only, including the end-of-paragraph character
308 pars[pit].eraseChars(left, right, params.trackChanges);
310 // Separate handling of paragraph break:
311 if (merge && pit != endpit &&
312 (pit + 1 != endpit || pars[pit].hasSameLayout(pars[endpit]))) {
313 if (pit + 1 == endpit)
314 endpos += pars[pit].size();
315 mergeParagraph(params, pars, pit);
321 // Ensure legal cursor pos:
324 return PitPosPair(endpit, endpos);
328 void putClipboard(ParagraphList const & paragraphs, TextClassPtr textclass,
329 docstring const & plaintext)
331 // For some strange reason gcc 3.2 and 3.3 do not accept
332 // Buffer buffer(string(), false);
333 Buffer buffer("", false);
334 buffer.setUnnamed(true);
335 buffer.paragraphs() = paragraphs;
336 buffer.params().setTextClass(textclass);
338 if (buffer.write(lyx))
339 theClipboard().put(lyx.str(), plaintext);
341 theClipboard().put(string(), plaintext);
345 void copySelectionHelper(Buffer const & buf, ParagraphList & pars,
346 pit_type startpit, pit_type endpit,
347 int start, int end, TextClassPtr tc, CutStack & cutstack)
349 BOOST_ASSERT(0 <= start && start <= pars[startpit].size());
350 BOOST_ASSERT(0 <= end && end <= pars[endpit].size());
351 BOOST_ASSERT(startpit != endpit || start <= end);
353 // Clone the paragraphs within the selection.
354 ParagraphList copy_pars(boost::next(pars.begin(), startpit),
355 boost::next(pars.begin(), endpit + 1));
357 // Remove the end of the last paragraph; afterwards, remove the
358 // beginning of the first paragraph. Keep this order - there may only
359 // be one paragraph! Do not track deletions here; this is an internal
360 // action not visible to the user
362 Paragraph & back = copy_pars.back();
363 back.eraseChars(end, back.size(), false);
364 Paragraph & front = copy_pars.front();
365 front.eraseChars(0, start, false);
367 ParagraphList::iterator it = copy_pars.begin();
368 ParagraphList::iterator it_end = copy_pars.end();
370 for (; it != it_end; it++) {
371 // ERT paragraphs have the Language latex_language.
372 // This is invalid outside of ERT, so we need to change it
373 // to the buffer language.
374 if (it->ownerCode() == ERT_CODE || it->ownerCode() == LISTINGS_CODE) {
375 it->changeLanguage(buf.params(), latex_language, buf.language());
377 it->setInsetOwner(0);
380 // do not copy text (also nested in insets) which is marked as deleted
381 acceptChanges(copy_pars, buf.params());
383 cutstack.push(make_pair(copy_pars, tc));
393 docstring grabAndEraseSelection(Cursor & cur)
395 if (!cur.selection())
397 docstring res = grabSelection(cur);
403 void switchBetweenClasses(TextClassPtr const & c1,
404 TextClassPtr const & c2, InsetText & in, ErrorList & errorlist)
408 BOOST_ASSERT(!in.paragraphs().empty());
412 TextClass const & tclass1 = *c1;
413 TextClass const & tclass2 = *c2;
416 ParIterator end = par_iterator_end(in);
417 for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
418 docstring const name = it->layout()->name();
419 bool hasLayout = tclass2.hasLayout(name);
422 it->layout(tclass2[name]);
424 it->layout(tclass2.defaultLayout());
426 if (!hasLayout && name != tclass1.defaultLayoutName()) {
427 docstring const s = bformat(
428 _("Layout had to be changed from\n%1$s to %2$s\n"
429 "because of class conversion from\n%3$s to %4$s"),
430 name, it->layout()->name(),
431 from_utf8(tclass1.name()), from_utf8(tclass2.name()));
432 // To warn the user that something had to be done.
433 errorlist.push_back(ErrorItem(_("Changed Layout"), s,
440 InsetIterator const i_end = inset_iterator_end(in);
441 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
442 InsetCollapsable * inset = it->asInsetCollapsable();
445 if (inset->lyxCode() != FLEX_CODE)
446 // FIXME: Should we verify all InsetCollapsable?
448 docstring const name = inset->name();
449 InsetLayout const & il = tclass2.insetlayout(name);
450 inset->setLayout(il);
451 if (il.labelstring != from_utf8("UNDEFINED"))
453 // The flex inset is undefined in tclass2
454 docstring const s = bformat(_(
455 "Flex inset %1$s is "
456 "undefined because of class "
457 "conversion from\n%2$s to %3$s"),
458 name, from_utf8(tclass1.name()),
459 from_utf8(tclass2.name()));
460 // To warn the user that something had to be done.
461 errorlist.push_back(ErrorItem(
462 _("Undefined flex inset"),
463 s, it.paragraph().id(), it.pos(), it.pos() + 1));
468 vector<docstring> const availableSelections(Buffer const & buffer)
470 vector<docstring> selList;
472 CutStack::const_iterator cit = theCuts.begin();
473 CutStack::const_iterator end = theCuts.end();
474 for (; cit != end; ++cit) {
475 // we do not use cit-> here because gcc 2.9x does not
477 ParagraphList const & pars = (*cit).first;
479 ParagraphList::const_iterator pit = pars.begin();
480 ParagraphList::const_iterator pend = pars.end();
481 for (; pit != pend; ++pit) {
482 asciiSel += pit->asString(buffer, false);
483 if (asciiSel.size() > 25) {
484 asciiSel.replace(22, docstring::npos,
490 selList.push_back(asciiSel);
497 size_type numberOfSelections()
499 return theCuts.size();
503 void cutSelection(Cursor & cur, bool doclear, bool realcut)
505 // This doesn't make sense, if there is no selection
506 if (!cur.selection())
509 // OK, we have a selection. This is always between cur.selBegin()
512 if (cur.inTexted()) {
513 Text * text = cur.text();
518 // make sure that the depth behind the selection are restored, too
519 cur.recordUndoSelection();
520 pit_type begpit = cur.selBegin().pit();
521 pit_type endpit = cur.selEnd().pit();
523 int endpos = cur.selEnd().pos();
525 BufferParams const & bp = cur.buffer().params();
527 copySelectionHelper(cur.buffer(),
530 cur.selBegin().pos(), endpos,
531 bp.getTextClassPtr(), theCuts);
532 // Stuff what we got on the clipboard.
533 // Even if there is no selection.
534 putClipboard(theCuts[0].first, theCuts[0].second,
535 cur.selectionAsString(true));
538 boost::tie(endpit, endpos) =
539 eraseSelectionHelper(bp,
542 cur.selBegin().pos(), endpos);
544 // cutSelection can invalidate the cursor so we need to set
546 // we prefer the end for when tracking changes
550 // sometimes necessary
552 && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
555 // need a valid cursor. (Lgb)
556 cur.clearSelection();
557 updateLabels(cur.buffer());
559 // tell tabular that a recent copy happened
560 dirtyTabularStack(false);
563 if (cur.inMathed()) {
564 if (cur.selBegin().idx() != cur.selEnd().idx()) {
565 // The current selection spans more than one cell.
567 cur.recordUndoInset();
569 // Record only the current cell to avoid a jumping
580 void copySelection(Cursor & cur)
582 copySelection(cur, cur.selectionAsString(true));
588 void copySelectionToStack(Cursor & cur, CutStack & cutstack)
590 // this doesn't make sense, if there is no selection
591 if (!cur.selection())
594 // copySelection can not yet handle the case of cross idx selection
595 if (cur.selBegin().idx() != cur.selEnd().idx())
598 if (cur.inTexted()) {
599 Text * text = cur.text();
601 // ok we have a selection. This is always between cur.selBegin()
602 // and sel_end cursor
604 // copy behind a space if there is one
605 ParagraphList & pars = text->paragraphs();
606 pos_type pos = cur.selBegin().pos();
607 pit_type par = cur.selBegin().pit();
608 while (pos < pars[par].size() &&
609 pars[par].isLineSeparator(pos) &&
610 (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
613 copySelectionHelper(cur.buffer(), pars, par, cur.selEnd().pit(),
614 pos, cur.selEnd().pos(),
615 cur.buffer().params().getTextClassPtr(), cutstack);
616 dirtyTabularStack(false);
619 if (cur.inMathed()) {
620 //lyxerr << "copySelection in mathed" << endl;
623 BufferParams const & bp = cur.buffer().params();
624 par.layout(bp.getTextClass().defaultLayout());
625 par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
627 cutstack.push(make_pair(pars, bp.getTextClassPtr()));
634 void copySelectionToStack()
636 if (!selectionBuffer.empty())
637 theCuts.push(selectionBuffer[0]);
641 void copySelection(Cursor & cur, docstring const & plaintext)
643 // In tablemode, because copy and paste actually use special table stack
644 // we do not attempt to get selected paragraphs under cursor. Instead, a
645 // paragraph with the plain text version is generated so that table cells
646 // can be pasted as pure text somewhere else.
647 if (cur.selBegin().idx() != cur.selEnd().idx()) {
650 BufferParams const & bp = cur.buffer().params();
651 par.layout(bp.getTextClass().defaultLayout());
652 par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
654 theCuts.push(make_pair(pars, bp.getTextClassPtr()));
656 copySelectionToStack(cur, theCuts);
659 // stuff the selection onto the X clipboard, from an explicit copy request
660 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
664 void saveSelection(Cursor & cur)
666 // This function is called, not when a selection is formed, but when
667 // a selection is cleared. Therefore, multiple keyboard selection
668 // will not repeatively trigger this function (bug 3877).
670 && cur.selBegin() == cur.bv().cursor().selBegin()
671 && cur.selEnd() == cur.bv().cursor().selEnd()) {
672 LYXERR(Debug::ACTION, "'" << cur.selectionAsString(true) << "'");
673 copySelectionToStack(cur, selectionBuffer);
680 return !selectionBuffer.empty();
684 void clearSelection()
686 selectionBuffer.clear();
696 docstring getSelection(Buffer const & buf, size_t sel_index)
698 return sel_index < theCuts.size()
699 ? theCuts[sel_index].first.back().asString(buf, false)
704 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
705 TextClassPtr textclass, ErrorList & errorList)
707 if (cur.inTexted()) {
708 Text * text = cur.text();
714 boost::tie(ppp, endpit) =
715 pasteSelectionHelper(cur, parlist,
716 textclass, errorList);
717 updateLabels(cur.buffer());
718 cur.clearSelection();
719 text->setCursor(cur, ppp.first, ppp.second);
722 // mathed is handled in InsetMathNest/InsetMathGrid
723 BOOST_ASSERT(!cur.inMathed());
727 void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
729 // this does not make sense, if there is nothing to paste
730 if (!checkPastePossible(sel_index))
734 pasteParagraphList(cur, theCuts[sel_index].first,
735 theCuts[sel_index].second, errorList);
740 void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs)
742 // Use internal clipboard if it is the most recent one
743 if (theClipboard().isInternal()) {
744 pasteFromStack(cur, errorList, 0);
748 // First try LyX format
749 if (theClipboard().hasLyXContents()) {
750 string lyx = theClipboard().getAsLyX();
752 // For some strange reason gcc 3.2 and 3.3 do not accept
753 // Buffer buffer(string(), false);
754 Buffer buffer("", false);
755 buffer.setUnnamed(true);
756 if (buffer.readString(lyx)) {
758 pasteParagraphList(cur, buffer.paragraphs(),
759 buffer.params().getTextClassPtr(), errorList);
766 // Then try plain text
767 docstring const text = theClipboard().getAsText();
772 cur.text()->insertStringAsParagraphs(cur, text);
774 cur.text()->insertStringAsLines(cur, text);
778 void pasteClipboardGraphics(Cursor & cur, ErrorList & errorList,
779 Clipboard::GraphicsType preferedType)
781 BOOST_ASSERT(theClipboard().hasGraphicsContents(preferedType));
783 // get picture from clipboard
784 FileName filename = theClipboard().getAsGraphics(cur, preferedType);
785 if (filename.empty())
788 // create inset for graphic
789 InsetGraphics * inset = new InsetGraphics;
790 InsetGraphicsParams params;
791 params.filename = EmbeddedFile(filename.absFilename(), cur.buffer().filePath());
792 inset->setParams(params);
798 void pasteSelection(Cursor & cur, ErrorList & errorList)
800 if (selectionBuffer.empty())
803 pasteParagraphList(cur, selectionBuffer[0].first,
804 selectionBuffer[0].second, errorList);
808 void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwards)
811 DocIterator selbeg = cur.selectionBegin();
813 // Get font setting before we cut
815 selbeg.paragraph().getFontSettings(cur.buffer().params(), selbeg.pos());
817 // Insert the new string
818 pos_type pos = cur.selEnd().pos();
819 Paragraph & par = cur.selEnd().paragraph();
820 docstring::const_iterator cit = str.begin();
821 docstring::const_iterator end = str.end();
822 for (; cit != end; ++cit, ++pos)
823 par.insertChar(pos, *cit, font, cur.buffer().params().trackChanges);
826 cutSelection(cur, true, false);
828 // select the replacement
830 selbeg.pos() += str.length();
831 cur.setSelection(selbeg, -int(str.length()));
833 cur.setSelection(selbeg, str.length());
837 void replaceSelection(Cursor & cur)
840 cutSelection(cur, true, false);
844 void eraseSelection(Cursor & cur)
846 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
847 CursorSlice const & i1 = cur.selBegin();
848 CursorSlice const & i2 = cur.selEnd();
849 if (i1.inset().asInsetMath()) {
852 if (i1.idx() == i2.idx()) {
853 i1.cell().erase(i1.pos(), i2.pos());
854 // We may have deleted i1.cell(cur.pos()).
855 // Make sure that pos is valid.
856 if (cur.pos() > cur.lastpos())
857 cur.pos() = cur.lastpos();
859 InsetMath * p = i1.asInsetMath();
860 Inset::row_type r1, r2;
861 Inset::col_type c1, c2;
862 region(i1, i2, r1, r2, c1, c2);
863 for (Inset::row_type row = r1; row <= r2; ++row)
864 for (Inset::col_type col = c1; col <= c2; ++col)
865 p->cell(p->index(row, col)).clear();
866 // We've deleted the whole cell. Only pos 0 is valid.
869 // need a valid cursor. (Lgb)
870 cur.clearSelection();
872 lyxerr << "can't erase this selection 1" << endl;
874 //lyxerr << "cap::eraseSelection end: " << cur << endl;
878 void selDel(Cursor & cur)
880 //lyxerr << "cap::selDel" << endl;
886 void selClearOrDel(Cursor & cur)
888 //lyxerr << "cap::selClearOrDel" << endl;
889 if (lyxrc.auto_region_delete)
892 cur.selection() = false;
896 docstring grabSelection(Cursor const & cur)
898 if (!cur.selection())
901 // FIXME: What is wrong with the following?
904 for (DocIterator dit = cur.selectionBegin();
905 dit != cur.selectionEnd(); dit.forwardPos())
906 os << asString(dit.cell());
910 CursorSlice i1 = cur.selBegin();
911 CursorSlice i2 = cur.selEnd();
913 if (i1.idx() == i2.idx()) {
914 if (i1.inset().asInsetMath()) {
915 MathData::const_iterator it = i1.cell().begin();
916 return asString(MathData(it + i1.pos(), it + i2.pos()));
918 return from_ascii("unknown selection 1");
922 Inset::row_type r1, r2;
923 Inset::col_type c1, c2;
924 region(i1, i2, r1, r2, c1, c2);
927 if (i1.inset().asInsetMath()) {
928 for (Inset::row_type row = r1; row <= r2; ++row) {
931 for (Inset::col_type col = c1; col <= c2; ++col) {
934 data += asString(i1.asInsetMath()->
935 cell(i1.asInsetMath()->index(row, col)));
939 data = from_ascii("unknown selection 2");
945 void dirtyTabularStack(bool b)
947 dirty_tabular_stack_ = b;
951 bool tabularStackDirty()
953 return dirty_tabular_stack_;