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"
27 #include "InsetIterator.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/InsetTabular.h"
43 #include "mathed/MathData.h"
44 #include "mathed/InsetMath.h"
45 #include "mathed/MathSupport.h"
47 #include "support/lstrings.h"
49 #include "frontends/Clipboard.h"
50 #include "frontends/Selection.h"
52 #include <boost/current_function.hpp>
53 #include <boost/tuple/tuple.hpp>
67 using support::bformat;
68 using frontend::Clipboard;
72 typedef std::pair<pit_type, int> PitPosPair;
74 typedef limited_stack<pair<ParagraphList, TextClassPtr> > CutStack;
77 // persistent selection, cleared until the next selection
78 CutStack selectionBuffer(1);
80 // store whether the tabular stack is newer than the normal copy stack
81 // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
82 // when we (hopefully) have a one-for-all paste mechanism.
83 bool dirty_tabular_stack_ = false;
86 void region(CursorSlice const & i1, CursorSlice const & i2,
87 Inset::row_type & r1, Inset::row_type & r2,
88 Inset::col_type & c1, Inset::col_type & c2)
90 Inset & p = i1.inset();
102 bool checkPastePossible(int index)
104 return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
108 pair<PitPosPair, pit_type>
109 pasteSelectionHelper(Cursor & cur, ParagraphList const & parlist,
110 TextClassPtr textclass, ErrorList & errorlist)
112 Buffer const & buffer = cur.buffer();
113 pit_type pit = cur.pit();
114 pos_type pos = cur.pos();
115 ParagraphList & pars = cur.text()->paragraphs();
118 return make_pair(PitPosPair(pit, pos), pit);
120 BOOST_ASSERT (pos <= pars[pit].size());
122 // Make a copy of the CaP paragraphs.
123 ParagraphList insertion = parlist;
124 TextClassPtr const tc = buffer.params().getTextClassPtr();
126 // Now remove all out of the pars which is NOT allowed in the
127 // new environment and set also another font if that is required.
129 // Convert newline to paragraph break in ERT inset.
130 // This should not be here!
131 if (pars[pit].inInset() &&
132 (pars[pit].inInset()->lyxCode() == Inset::ERT_CODE ||
133 pars[pit].inInset()->lyxCode() == Inset::LISTINGS_CODE)) {
134 for (ParagraphList::size_type i = 0; i < insertion.size(); ++i) {
135 for (pos_type j = 0; j < insertion[i].size(); ++j) {
136 if (insertion[i].isNewline(j)) {
137 // do not track deletion of newline
138 insertion[i].eraseChar(j, false);
139 breakParagraphConservative(
147 // If we are in an inset which returns forceDefaultParagraphs,
148 // set the paragraphs to default
149 if (cur.inset().forceDefaultParagraphs(cur.idx())) {
150 LayoutPtr const layout =
151 buffer.params().getTextClass().defaultLayout();
152 ParagraphList::iterator const end = insertion.end();
153 for (ParagraphList::iterator par = insertion.begin();
158 // Make sure there is no class difference.
160 // This works without copying any paragraph data because we have
161 // a specialized swap method for ParagraphList. This is important
162 // since we store pointers to insets at some places and we don't
163 // want to invalidate them.
164 insertion.swap(in.paragraphs());
165 cap::switchBetweenClasses(textclass, tc, in, errorlist);
166 insertion.swap(in.paragraphs());
168 ParagraphList::iterator tmpbuf = insertion.begin();
169 int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
171 depth_type max_depth = pars[pit].getMaxDepthAfter();
173 for (; tmpbuf != insertion.end(); ++tmpbuf) {
174 // If we have a negative jump so that the depth would
175 // go below 0 depth then we have to redo the delta to
176 // this new max depth level so that subsequent
177 // paragraphs are aligned correctly to this paragraph
179 if (int(tmpbuf->params().depth()) + depth_delta < 0)
182 // Set the right depth so that we are not too deep or shallow.
183 tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
184 if (tmpbuf->params().depth() > max_depth)
185 tmpbuf->params().depth(max_depth);
187 // Only set this from the 2nd on as the 2nd depends
188 // for maxDepth still on pit.
189 if (tmpbuf != insertion.begin())
190 max_depth = tmpbuf->getMaxDepthAfter();
192 // Set the inset owner of this paragraph.
193 tmpbuf->setInsetOwner(pars[pit].inInset());
194 for (pos_type i = 0; i < tmpbuf->size(); ++i) {
195 if (tmpbuf->getChar(i) == Paragraph::META_INSET &&
196 !pars[pit].insetAllowed(tmpbuf->getInset(i)->lyxCode()))
197 // do not track deletion of invalid insets
198 tmpbuf->eraseChar(i--, false);
201 tmpbuf->setChange(Change(buffer.params().trackChanges ?
202 Change::INSERTED : Change::UNCHANGED));
205 bool const empty = pars[pit].empty();
207 // Make the buf exactly the same layout as the cursor
209 insertion.begin()->makeSameLayout(pars[pit]);
212 // Prepare the paragraphs and insets for insertion.
213 // A couple of insets store buffer references so need updating.
214 insertion.swap(in.paragraphs());
216 ParIterator fpit = par_iterator_begin(in);
217 ParIterator fend = par_iterator_end(in);
219 for (; fpit != fend; ++fpit) {
220 InsetList::const_iterator lit = fpit->insetlist.begin();
221 InsetList::const_iterator eit = fpit->insetlist.end();
223 for (; lit != eit; ++lit) {
224 switch (lit->inset->lyxCode()) {
225 case Inset::TABULAR_CODE: {
226 InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
236 insertion.swap(in.paragraphs());
238 // Split the paragraph for inserting the buf if necessary.
240 breakParagraphConservative(buffer.params(), pars, pit, pos);
244 pars.insert(boost::next(pars.begin(), pit),
248 // merge the empty par with the last par of the insertion
249 mergeParagraph(buffer.params(), pars,
250 pit + insertion.size() - 1);
252 pars.insert(boost::next(pars.begin(), pit + 1),
256 // merge the first par of the insertion with the current par
257 mergeParagraph(buffer.params(), pars, pit);
260 pit_type last_paste = pit + insertion.size() - 1;
262 // Store the new cursor position.
264 pos = pars[last_paste].size();
266 // Join (conditionally) last pasted paragraph with next one, i.e.,
267 // the tail of the spliced document paragraph
268 if (!empty && last_paste + 1 != pit_type(pars.size())) {
269 if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
270 mergeParagraph(buffer.params(), pars, last_paste);
271 } else if (pars[last_paste + 1].empty()) {
272 pars[last_paste + 1].makeSameLayout(pars[last_paste]);
273 mergeParagraph(buffer.params(), pars, last_paste);
274 } else if (pars[last_paste].empty()) {
275 pars[last_paste].makeSameLayout(pars[last_paste + 1]);
276 mergeParagraph(buffer.params(), pars, last_paste);
278 pars[last_paste + 1].stripLeadingSpaces(buffer.params().trackChanges);
283 return make_pair(PitPosPair(pit, pos), last_paste + 1);
287 PitPosPair eraseSelectionHelper(BufferParams const & params,
288 ParagraphList & pars,
289 pit_type startpit, pit_type endpit,
290 int startpos, int endpos)
292 // Start of selection is really invalid.
293 if (startpit == pit_type(pars.size()) ||
294 (startpos > pars[startpit].size()))
295 return PitPosPair(endpit, endpos);
297 // Start and end is inside same paragraph
298 if (endpit == pit_type(pars.size()) || startpit == endpit) {
299 endpos -= pars[startpit].eraseChars(startpos, endpos, params.trackChanges);
300 return PitPosPair(endpit, endpos);
303 for (pit_type pit = startpit; pit != endpit + 1;) {
304 pos_type const left = (pit == startpit ? startpos : 0);
305 pos_type right = (pit == endpit ? endpos : pars[pit].size() + 1);
306 bool const merge = pars[pit].isMergedOnEndOfParDeletion(params.trackChanges);
308 // Logically erase only, including the end-of-paragraph character
309 pars[pit].eraseChars(left, right, params.trackChanges);
311 // Separate handling of paragraph break:
312 if (merge && pit != endpit &&
313 (pit + 1 != endpit || pars[pit].hasSameLayout(pars[endpit]))) {
314 if (pit + 1 == endpit)
315 endpos += pars[pit].size();
316 mergeParagraph(params, pars, pit);
322 // Ensure legal cursor pos:
325 return PitPosPair(endpit, endpos);
329 void putClipboard(ParagraphList const & paragraphs, TextClassPtr textclass,
330 docstring const & plaintext)
332 // For some strange reason gcc 3.2 and 3.3 do not accept
333 // Buffer buffer(string(), false);
334 Buffer buffer("", false);
335 buffer.setUnnamed(true);
336 buffer.paragraphs() = paragraphs;
337 buffer.params().setTextClass(textclass);
338 std::ostringstream lyx;
339 if (buffer.write(lyx))
340 theClipboard().put(lyx.str(), plaintext);
342 theClipboard().put(string(), plaintext);
346 void copySelectionHelper(Buffer const & buf, ParagraphList & pars,
347 pit_type startpit, pit_type endpit,
348 int start, int end, TextClassPtr tc, CutStack & cutstack)
350 BOOST_ASSERT(0 <= start && start <= pars[startpit].size());
351 BOOST_ASSERT(0 <= end && end <= pars[endpit].size());
352 BOOST_ASSERT(startpit != endpit || start <= end);
354 // Clone the paragraphs within the selection.
355 ParagraphList copy_pars(boost::next(pars.begin(), startpit),
356 boost::next(pars.begin(), endpit + 1));
358 // Remove the end of the last paragraph; afterwards, remove the
359 // beginning of the first paragraph. Keep this order - there may only
360 // be one paragraph! Do not track deletions here; this is an internal
361 // action not visible to the user
363 Paragraph & back = copy_pars.back();
364 back.eraseChars(end, back.size(), false);
365 Paragraph & front = copy_pars.front();
366 front.eraseChars(0, start, false);
368 ParagraphList::iterator it = copy_pars.begin();
369 ParagraphList::iterator it_end = copy_pars.end();
371 for (; it != it_end; it++) {
372 // ERT paragraphs have the Language latex_language.
373 // This is invalid outside of ERT, so we need to change it
374 // to the buffer language.
375 if (it->ownerCode() == Inset::ERT_CODE || it->ownerCode() == Inset::LISTINGS_CODE) {
376 it->changeLanguage(buf.params(), latex_language,
379 it->setInsetOwner(0);
382 // do not copy text (also nested in insets) which is marked as deleted
383 acceptChanges(copy_pars, buf.params());
385 cutstack.push(make_pair(copy_pars, tc));
395 docstring grabAndEraseSelection(Cursor & cur)
397 if (!cur.selection())
399 docstring res = grabSelection(cur);
405 void switchBetweenClasses(TextClassPtr const & c1,
406 TextClassPtr const & c2, InsetText & in, ErrorList & errorlist)
410 BOOST_ASSERT(!in.paragraphs().empty());
414 TextClass const & tclass1 = *c1;
415 TextClass const & tclass2 = *c2;
418 ParIterator end = par_iterator_end(in);
419 for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
420 docstring const name = it->layout()->name();
421 bool hasLayout = tclass2.hasLayout(name);
424 it->layout(tclass2[name]);
426 it->layout(tclass2.defaultLayout());
428 if (!hasLayout && name != tclass1.defaultLayoutName()) {
429 docstring const s = bformat(
430 _("Layout had to be changed from\n%1$s to %2$s\n"
431 "because of class conversion from\n%3$s to %4$s"),
432 name, it->layout()->name(),
433 from_utf8(tclass1.name()), from_utf8(tclass2.name()));
434 // To warn the user that something had to be done.
435 errorlist.push_back(ErrorItem(_("Changed Layout"), s,
442 InsetIterator const i_end = inset_iterator_end(in);
443 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
444 if (it->lyxCode() == Inset::FLEX_CODE) {
446 static_cast<InsetFlex &>(*it);
447 string const name = inset.params().name;
448 InsetLayout const il =
449 tclass2.insetlayout(from_utf8(name));
451 if (il.labelstring == from_utf8("UNDEFINED")) {
452 // The flex inset is undefined in tclass2
453 docstring const s = bformat(_(
454 "Flex inset %1$s is "
455 "undefined because of class "
456 "conversion from\n%2$s to %3$s"),
457 from_utf8(name), from_utf8(tclass1.name()),
458 from_utf8(tclass2.name()));
459 // To warn the user that something had to be done.
460 errorlist.push_back(ErrorItem(
461 _("Undefined flex inset"),
462 s, it.paragraph().id(), it.pos(), it.pos() + 1));
469 std::vector<docstring> const availableSelections(Buffer const & buffer)
471 vector<docstring> selList;
473 CutStack::const_iterator cit = theCuts.begin();
474 CutStack::const_iterator end = theCuts.end();
475 for (; cit != end; ++cit) {
476 // we do not use cit-> here because gcc 2.9x does not
478 ParagraphList const & pars = (*cit).first;
480 ParagraphList::const_iterator pit = pars.begin();
481 ParagraphList::const_iterator pend = pars.end();
482 for (; pit != pend; ++pit) {
483 asciiSel += pit->asString(buffer, false);
484 if (asciiSel.size() > 25) {
485 asciiSel.replace(22, docstring::npos,
491 selList.push_back(asciiSel);
498 size_type numberOfSelections()
500 return theCuts.size();
504 void cutSelection(Cursor & cur, bool doclear, bool realcut)
506 // This doesn't make sense, if there is no selection
507 if (!cur.selection())
510 // OK, we have a selection. This is always between cur.selBegin()
513 if (cur.inTexted()) {
514 Text * text = cur.text();
519 // make sure that the depth behind the selection are restored, too
520 recordUndoSelection(cur);
521 pit_type begpit = cur.selBegin().pit();
522 pit_type endpit = cur.selEnd().pit();
524 int endpos = cur.selEnd().pos();
526 BufferParams const & bp = cur.buffer().params();
528 copySelectionHelper(cur.buffer(),
531 cur.selBegin().pos(), endpos,
532 bp.getTextClassPtr(), theCuts);
533 // Stuff what we got on the clipboard.
534 // Even if there is no selection.
535 putClipboard(theCuts[0].first, theCuts[0].second,
536 cur.selectionAsString(true));
539 boost::tie(endpit, endpos) =
540 eraseSelectionHelper(bp,
543 cur.selBegin().pos(), endpos);
545 // cutSelection can invalidate the cursor so we need to set
547 // we prefer the end for when tracking changes
551 // sometimes necessary
553 && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
556 // need a valid cursor. (Lgb)
557 cur.clearSelection();
558 updateLabels(cur.buffer());
560 // tell tabular that a recent copy happened
561 dirtyTabularStack(false);
564 if (cur.inMathed()) {
565 if (cur.selBegin().idx() != cur.selEnd().idx()) {
566 // The current selection spans more than one cell.
568 recordUndoInset(cur);
570 // Record only the current cell to avoid a jumping
581 void copySelection(Cursor & cur)
583 copySelection(cur, cur.selectionAsString(true));
589 void copySelectionToStack(Cursor & cur, CutStack & cutstack)
591 // this doesn't make sense, if there is no selection
592 if (!cur.selection())
595 // copySelection can not yet handle the case of cross idx selection
596 if (cur.selBegin().idx() != cur.selEnd().idx())
599 if (cur.inTexted()) {
600 Text * text = cur.text();
602 // ok we have a selection. This is always between cur.selBegin()
603 // and sel_end cursor
605 // copy behind a space if there is one
606 ParagraphList & pars = text->paragraphs();
607 pos_type pos = cur.selBegin().pos();
608 pit_type par = cur.selBegin().pit();
609 while (pos < pars[par].size() &&
610 pars[par].isLineSeparator(pos) &&
611 (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
614 copySelectionHelper(cur.buffer(), pars, par, cur.selEnd().pit(),
615 pos, cur.selEnd().pos(),
616 cur.buffer().params().getTextClassPtr(), cutstack);
617 dirtyTabularStack(false);
620 if (cur.inMathed()) {
621 //lyxerr << "copySelection in mathed" << endl;
624 BufferParams const & bp = cur.buffer().params();
625 par.layout(bp.getTextClass().defaultLayout());
626 par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
628 cutstack.push(make_pair(pars, bp.getTextClassPtr()));
635 void copySelectionToStack()
637 if (!selectionBuffer.empty())
638 theCuts.push(selectionBuffer[0]);
642 void copySelection(Cursor & cur, docstring const & plaintext)
644 // In tablemode, because copy and paste actually use special table stack
645 // we do not attemp to get selected paragraphs under cursor. Instead, a
646 // paragraph with the plain text version is generated so that table cells
647 // can be pasted as pure text somewhere else.
648 if (cur.selBegin().idx() != cur.selEnd().idx()) {
651 BufferParams const & bp = cur.buffer().params();
652 par.layout(bp.getTextClass().defaultLayout());
653 par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
655 theCuts.push(make_pair(pars, bp.getTextClassPtr()));
657 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) << BOOST_CURRENT_FUNCTION << ": `"
673 << to_utf8(cur.selectionAsString(true)) << "'."
675 copySelectionToStack(cur, selectionBuffer);
682 return !selectionBuffer.empty();
686 void clearSelection()
688 selectionBuffer.clear();
698 docstring getSelection(Buffer const & buf, size_t sel_index)
700 return sel_index < theCuts.size()
701 ? theCuts[sel_index].first.back().asString(buf, false)
706 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
707 TextClassPtr textclass, ErrorList & errorList)
709 if (cur.inTexted()) {
710 Text * text = cur.text();
716 boost::tie(ppp, endpit) =
717 pasteSelectionHelper(cur, parlist,
718 textclass, errorList);
719 updateLabels(cur.buffer());
720 cur.clearSelection();
721 text->setCursor(cur, ppp.first, ppp.second);
724 // mathed is handled in InsetMathNest/InsetMathGrid
725 BOOST_ASSERT(!cur.inMathed());
729 void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
731 // this does not make sense, if there is nothing to paste
732 if (!checkPastePossible(sel_index))
736 pasteParagraphList(cur, theCuts[sel_index].first,
737 theCuts[sel_index].second, errorList);
742 void pasteClipboard(Cursor & cur, ErrorList & errorList, bool asParagraphs)
744 // Use internal clipboard if it is the most recent one
745 if (theClipboard().isInternal()) {
746 pasteFromStack(cur, errorList, 0);
750 // First try LyX format
751 if (theClipboard().hasLyXContents()) {
752 string lyx = theClipboard().getAsLyX();
754 // For some strange reason gcc 3.2 and 3.3 do not accept
755 // Buffer buffer(string(), false);
756 Buffer buffer("", false);
757 buffer.setUnnamed(true);
758 if (buffer.readString(lyx)) {
760 pasteParagraphList(cur, buffer.paragraphs(),
761 buffer.params().getTextClassPtr(), errorList);
768 // Then try plain text
769 docstring const text = theClipboard().getAsText();
774 cur.text()->insertStringAsParagraphs(cur, text);
776 cur.text()->insertStringAsLines(cur, text);
780 void pasteSelection(Cursor & cur, ErrorList & errorList)
782 if (selectionBuffer.empty())
785 pasteParagraphList(cur, selectionBuffer[0].first,
786 selectionBuffer[0].second, errorList);
790 void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwards)
793 DocIterator selbeg = cur.selectionBegin();
795 // Get font setting before we cut
797 selbeg.paragraph().getFontSettings(cur.buffer().params(), selbeg.pos());
799 // Insert the new string
800 pos_type pos = cur.selEnd().pos();
801 Paragraph & par = cur.selEnd().paragraph();
802 docstring::const_iterator cit = str.begin();
803 docstring::const_iterator end = str.end();
804 for (; cit != end; ++cit, ++pos)
805 par.insertChar(pos, *cit, font, cur.buffer().params().trackChanges);
808 cutSelection(cur, true, false);
810 // select the replacement
812 selbeg.pos() += str.length();
813 cur.setSelection(selbeg, -int(str.length()));
815 cur.setSelection(selbeg, str.length());
819 void replaceSelection(Cursor & cur)
822 cutSelection(cur, true, false);
826 void eraseSelection(Cursor & cur)
828 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
829 CursorSlice const & i1 = cur.selBegin();
830 CursorSlice const & i2 = cur.selEnd();
831 if (i1.inset().asInsetMath()) {
834 if (i1.idx() == i2.idx()) {
835 i1.cell().erase(i1.pos(), i2.pos());
836 // We may have deleted i1.cell(cur.pos()).
837 // Make sure that pos is valid.
838 if (cur.pos() > cur.lastpos())
839 cur.pos() = cur.lastpos();
841 InsetMath * p = i1.asInsetMath();
842 Inset::row_type r1, r2;
843 Inset::col_type c1, c2;
844 region(i1, i2, r1, r2, c1, c2);
845 for (Inset::row_type row = r1; row <= r2; ++row)
846 for (Inset::col_type col = c1; col <= c2; ++col)
847 p->cell(p->index(row, col)).clear();
848 // We've deleted the whole cell. Only pos 0 is valid.
851 // need a valid cursor. (Lgb)
852 cur.clearSelection();
854 lyxerr << "can't erase this selection 1" << endl;
856 //lyxerr << "cap::eraseSelection end: " << cur << endl;
860 void selDel(Cursor & cur)
862 //lyxerr << "cap::selDel" << endl;
868 void selClearOrDel(Cursor & cur)
870 //lyxerr << "cap::selClearOrDel" << endl;
871 if (lyxrc.auto_region_delete)
874 cur.selection() = false;
878 docstring grabSelection(Cursor const & cur)
880 if (!cur.selection())
883 // FIXME: What is wrong with the following?
885 std::ostringstream os;
886 for (DocIterator dit = cur.selectionBegin();
887 dit != cur.selectionEnd(); dit.forwardPos())
888 os << asString(dit.cell());
892 CursorSlice i1 = cur.selBegin();
893 CursorSlice i2 = cur.selEnd();
895 if (i1.idx() == i2.idx()) {
896 if (i1.inset().asInsetMath()) {
897 MathData::const_iterator it = i1.cell().begin();
898 return asString(MathData(it + i1.pos(), it + i2.pos()));
900 return from_ascii("unknown selection 1");
904 Inset::row_type r1, r2;
905 Inset::col_type c1, c2;
906 region(i1, i2, r1, r2, c1, c2);
909 if (i1.inset().asInsetMath()) {
910 for (Inset::row_type row = r1; row <= r2; ++row) {
913 for (Inset::col_type col = c1; col <= c2; ++col) {
916 data += asString(i1.asInsetMath()->
917 cell(i1.asInsetMath()->index(row, col)));
921 data = from_ascii("unknown selection 2");
927 void dirtyTabularStack(bool b)
929 dirty_tabular_stack_ = b;
933 bool tabularStackDirty()
935 return dirty_tabular_stack_;