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"
26 #include "FuncRequest.h"
27 #include "InsetIterator.h"
28 #include "InsetList.h"
33 #include "Paragraph.h"
34 #include "paragraph_funcs.h"
35 #include "ParagraphParameters.h"
36 #include "ParIterator.h"
39 #include "insets/InsetFlex.h"
40 #include "insets/InsetCommand.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, DocumentClass const *> > 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 bool checkPastePossible(int index)
87 return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
91 pair<PitPosPair, pit_type>
92 pasteSelectionHelper(Cursor & cur, ParagraphList const & parlist,
93 DocumentClass const * const oldDocClass, ErrorList & errorlist)
95 Buffer const & buffer = cur.buffer();
96 pit_type pit = cur.pit();
97 pos_type pos = cur.pos();
98 ParagraphList & pars = cur.text()->paragraphs();
101 return make_pair(PitPosPair(pit, pos), pit);
103 BOOST_ASSERT (pos <= pars[pit].size());
105 // Make a copy of the CaP paragraphs.
106 ParagraphList insertion = parlist;
107 DocumentClass const * const newDocClass =
108 buffer.params().documentClassPtr();
110 // Now remove all out of the pars which is NOT allowed in the
111 // new environment and set also another font if that is required.
113 // Convert newline to paragraph break in ERT inset.
114 // This should not be here!
115 Inset * inset = pars[pit].inInset();
116 if (inset && (inset->lyxCode() == ERT_CODE ||
117 inset->lyxCode() == LISTINGS_CODE)) {
118 for (size_t i = 0; i != insertion.size(); ++i) {
119 for (pos_type j = 0; j != insertion[i].size(); ++j) {
120 if (insertion[i].isNewline(j)) {
121 // do not track deletion of newline
122 insertion[i].eraseChar(j, false);
123 breakParagraphConservative(
131 // set the paragraphs to empty layout if necessary
132 if (cur.inset().usePlainLayout()) {
133 bool forcePlainLayout = cur.inset().forcePlainLayout();
134 Layout const & emptyLayout = newDocClass->emptyLayout();
135 Layout const & defaultLayout = newDocClass->defaultLayout();
136 ParagraphList::iterator const end = insertion.end();
137 ParagraphList::iterator par = insertion.begin();
138 for (; par != end; ++par) {
139 Layout const & parLayout = par->layout();
140 if (forcePlainLayout || parLayout == defaultLayout)
141 par->setLayout(emptyLayout);
143 } else { // check if we need to reset from empty layout
144 Layout const & defaultLayout = newDocClass->defaultLayout();
145 Layout const & emptyLayout = newDocClass->emptyLayout();
146 ParagraphList::iterator const end = insertion.end();
147 ParagraphList::iterator par = insertion.begin();
148 for (; par != end; ++par) {
149 Layout const & parLayout = par->layout();
150 if (parLayout == emptyLayout)
151 par->setLayout(defaultLayout);
155 // Make sure there is no class difference.
157 // This works without copying any paragraph data because we have
158 // a specialized swap method for ParagraphList. This is important
159 // since we store pointers to insets at some places and we don't
160 // want to invalidate them.
161 insertion.swap(in.paragraphs());
162 cap::switchBetweenClasses(oldDocClass, newDocClass, in, errorlist);
163 insertion.swap(in.paragraphs());
165 ParagraphList::iterator tmpbuf = insertion.begin();
166 int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
168 depth_type max_depth = pars[pit].getMaxDepthAfter();
170 for (; tmpbuf != insertion.end(); ++tmpbuf) {
171 // If we have a negative jump so that the depth would
172 // go below 0 depth then we have to redo the delta to
173 // this new max depth level so that subsequent
174 // paragraphs are aligned correctly to this paragraph
176 if (int(tmpbuf->params().depth()) + depth_delta < 0)
179 // Set the right depth so that we are not too deep or shallow.
180 tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
181 if (tmpbuf->params().depth() > max_depth)
182 tmpbuf->params().depth(max_depth);
184 // Only set this from the 2nd on as the 2nd depends
185 // for maxDepth still on pit.
186 if (tmpbuf != insertion.begin())
187 max_depth = tmpbuf->getMaxDepthAfter();
189 // Set the inset owner of this paragraph.
190 tmpbuf->setInsetOwner(pars[pit].inInset());
191 for (pos_type i = 0; i < tmpbuf->size(); ++i) {
192 // do not track deletion of invalid insets
193 if (Inset * inset = tmpbuf->getInset(i))
194 if (!pars[pit].insetAllowed(inset->lyxCode()))
195 tmpbuf->eraseChar(i--, false);
198 tmpbuf->setChange(Change(buffer.params().trackChanges ?
199 Change::INSERTED : Change::UNCHANGED));
202 bool const empty = pars[pit].empty();
204 // Make the buf exactly the same layout as the cursor
206 insertion.begin()->makeSameLayout(pars[pit]);
209 // Prepare the paragraphs and insets for insertion.
210 // A couple of insets store buffer references so need updating.
211 insertion.swap(in.paragraphs());
213 InsetIterator const i_end = inset_iterator_end(in);
215 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
217 it->setBuffer(const_cast<Buffer &>(buffer));
219 switch (it->lyxCode()) {
222 // check for duplicates
223 InsetCommand & lab = static_cast<InsetCommand &>(*it);
224 docstring const oldname = lab.getParam("name");
225 lab.updateCommand(oldname, false);
226 docstring const newname = lab.getParam("name");
227 if (oldname != newname) {
228 // adapt the references
229 for (InsetIterator itt = inset_iterator_begin(in); itt != i_end; ++itt) {
230 if (itt->lyxCode() == REF_CODE) {
231 InsetCommand & ref = dynamic_cast<InsetCommand &>(*itt);
232 if (ref.getParam("reference") == oldname)
233 ref.setParam("reference", newname);
241 // check for duplicates
242 InsetCommand & bib = static_cast<InsetCommand &>(*it);
243 docstring const oldkey = bib.getParam("key");
244 bib.updateCommand(oldkey, false);
245 docstring const newkey = bib.getParam("key");
246 if (oldkey != newkey) {
247 // adapt the references
248 for (InsetIterator itt = inset_iterator_begin(in); itt != i_end; ++itt) {
249 if (itt->lyxCode() == CITE_CODE) {
250 InsetCommand & ref = dynamic_cast<InsetCommand &>(*itt);
251 if (ref.getParam("key") == oldkey)
252 ref.setParam("key", newkey);
263 insertion.swap(in.paragraphs());
265 // Split the paragraph for inserting the buf if necessary.
267 breakParagraphConservative(buffer.params(), pars, pit, pos);
271 pars.insert(boost::next(pars.begin(), pit),
275 // merge the empty par with the last par of the insertion
276 mergeParagraph(buffer.params(), pars,
277 pit + insertion.size() - 1);
279 pars.insert(boost::next(pars.begin(), pit + 1),
283 // merge the first par of the insertion with the current par
284 mergeParagraph(buffer.params(), pars, pit);
287 pit_type last_paste = pit + insertion.size() - 1;
289 // Store the new cursor position.
291 pos = pars[last_paste].size();
293 // Join (conditionally) last pasted paragraph with next one, i.e.,
294 // the tail of the spliced document paragraph
295 if (!empty && last_paste + 1 != pit_type(pars.size())) {
296 if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
297 mergeParagraph(buffer.params(), pars, last_paste);
298 } else if (pars[last_paste + 1].empty()) {
299 pars[last_paste + 1].makeSameLayout(pars[last_paste]);
300 mergeParagraph(buffer.params(), pars, last_paste);
301 } else if (pars[last_paste].empty()) {
302 pars[last_paste].makeSameLayout(pars[last_paste + 1]);
303 mergeParagraph(buffer.params(), pars, last_paste);
305 pars[last_paste + 1].stripLeadingSpaces(buffer.params().trackChanges);
310 return make_pair(PitPosPair(pit, pos), last_paste + 1);
314 PitPosPair eraseSelectionHelper(BufferParams const & params,
315 ParagraphList & pars,
316 pit_type startpit, pit_type endpit,
317 int startpos, int endpos)
319 // Start of selection is really invalid.
320 if (startpit == pit_type(pars.size()) ||
321 (startpos > pars[startpit].size()))
322 return PitPosPair(endpit, endpos);
324 // Start and end is inside same paragraph
325 if (endpit == pit_type(pars.size()) || startpit == endpit) {
326 endpos -= pars[startpit].eraseChars(startpos, endpos, params.trackChanges);
327 return PitPosPair(endpit, endpos);
330 for (pit_type pit = startpit; pit != endpit + 1;) {
331 pos_type const left = (pit == startpit ? startpos : 0);
332 pos_type right = (pit == endpit ? endpos : pars[pit].size() + 1);
333 bool const merge = pars[pit].isMergedOnEndOfParDeletion(params.trackChanges);
335 // Logically erase only, including the end-of-paragraph character
336 pars[pit].eraseChars(left, right, params.trackChanges);
338 // Separate handling of paragraph break:
339 if (merge && pit != endpit &&
341 || pars[pit].hasSameLayout(pars[endpit])
342 || pars[endpit].size() == endpos)) {
343 if (pit + 1 == endpit)
344 endpos += pars[pit].size();
345 mergeParagraph(params, pars, pit);
351 // Ensure legal cursor pos:
354 return PitPosPair(endpit, endpos);
358 void putClipboard(ParagraphList const & paragraphs,
359 DocumentClass const * const docclass, docstring const & plaintext)
361 // For some strange reason gcc 3.2 and 3.3 do not accept
362 // Buffer buffer(string(), false);
363 // This needs to be static to avoid a memory leak. When a Buffer is
364 // constructed, it constructs a BufferParams, which in turn constructs
365 // a DocumentClass, via new, that is never deleted. If we were to go to
366 // some kind of garbage collection there, or a shared_ptr, then this
367 // would not be needed.
368 static Buffer buffer("", false);
369 buffer.setUnnamed(true);
370 buffer.paragraphs() = paragraphs;
371 buffer.params().setDocumentClass(docclass);
373 if (buffer.write(lyx))
374 theClipboard().put(lyx.str(), plaintext);
376 theClipboard().put(string(), plaintext);
378 buffer.paragraphs().clear();
382 void copySelectionHelper(Buffer const & buf, ParagraphList & pars,
383 pit_type startpit, pit_type endpit,
384 int start, int end, DocumentClass const * const dc, CutStack & cutstack)
386 LASSERT(0 <= start && start <= pars[startpit].size(), /**/);
387 LASSERT(0 <= end && end <= pars[endpit].size(), /**/);
388 LASSERT(startpit != endpit || start <= end, /**/);
390 // Clone the paragraphs within the selection.
391 ParagraphList copy_pars(boost::next(pars.begin(), startpit),
392 boost::next(pars.begin(), endpit + 1));
394 // Remove the end of the last paragraph; afterwards, remove the
395 // beginning of the first paragraph. Keep this order - there may only
396 // be one paragraph! Do not track deletions here; this is an internal
397 // action not visible to the user
399 Paragraph & back = copy_pars.back();
400 back.eraseChars(end, back.size(), false);
401 Paragraph & front = copy_pars.front();
402 front.eraseChars(0, start, false);
404 ParagraphList::iterator it = copy_pars.begin();
405 ParagraphList::iterator it_end = copy_pars.end();
407 for (; it != it_end; it++) {
408 // ERT paragraphs have the Language latex_language.
409 // This is invalid outside of ERT, so we need to change it
410 // to the buffer language.
411 if (it->ownerCode() == ERT_CODE || it->ownerCode() == LISTINGS_CODE) {
412 it->changeLanguage(buf.params(), latex_language, buf.language());
414 it->setInsetOwner(0);
417 // do not copy text (also nested in insets) which is marked as deleted
418 acceptChanges(copy_pars, buf.params());
420 DocumentClass * d = const_cast<DocumentClass *>(dc);
421 cutstack.push(make_pair(copy_pars, d));
431 void region(CursorSlice const & i1, CursorSlice const & i2,
432 Inset::row_type & r1, Inset::row_type & r2,
433 Inset::col_type & c1, Inset::col_type & c2)
435 Inset & p = i1.inset();
436 c1 = p.col(i1.idx());
437 c2 = p.col(i2.idx());
440 r1 = p.row(i1.idx());
441 r2 = p.row(i2.idx());
447 docstring grabAndEraseSelection(Cursor & cur)
449 if (!cur.selection())
451 docstring res = grabSelection(cur);
457 bool reduceSelectionToOneCell(Cursor & cur)
459 if (!cur.selection() || !cur.inMathed())
462 CursorSlice i1 = cur.selBegin();
463 CursorSlice i2 = cur.selEnd();
464 if (!i1.inset().asInsetMath())
467 // the easy case: do nothing if only one cell is selected
468 if (i1.idx() == i2.idx())
473 cur.top().pos() = cur.top().lastpos();
479 bool multipleCellsSelected(Cursor const & cur)
481 if (!cur.selection() || !cur.inMathed())
484 CursorSlice i1 = cur.selBegin();
485 CursorSlice i2 = cur.selEnd();
486 if (!i1.inset().asInsetMath())
489 if (i1.idx() == i2.idx())
496 void switchBetweenClasses(DocumentClass const * const oldone,
497 DocumentClass const * const newone, InsetText & in, ErrorList & errorlist)
501 LASSERT(!in.paragraphs().empty(), /**/);
502 if (oldone == newone)
505 DocumentClass const & oldtc = *oldone;
506 DocumentClass const & newtc = *newone;
509 ParIterator end = par_iterator_end(in);
510 for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
511 docstring const name = it->layout().name();
513 // the pasted text will keep their own layout name. If this layout does
514 // not exist in the new document, it will behave like a standard layout.
515 newtc.addLayoutIfNeeded(name);
517 if (in.usePlainLayout())
518 it->setLayout(newtc.emptyLayout());
520 it->setLayout(newtc[name]);
524 InsetIterator const i_end = inset_iterator_end(in);
525 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
526 InsetCollapsable * inset = it->asInsetCollapsable();
529 if (inset->lyxCode() != FLEX_CODE)
530 // FIXME: Should we verify all InsetCollapsable?
532 inset->setLayout(newone);
533 if (!inset->undefined())
535 // The flex inset is undefined in newtc
536 docstring const s = bformat(_(
537 "Flex inset %1$s is "
538 "undefined because of class "
539 "conversion from\n%2$s to %3$s"),
540 inset->name(), from_utf8(oldtc.name()),
541 from_utf8(newtc.name()));
542 // To warn the user that something had to be done.
543 errorlist.push_back(ErrorItem(
544 _("Undefined flex inset"),
545 s, it.paragraph().id(), it.pos(), it.pos() + 1));
550 vector<docstring> availableSelections()
552 vector<docstring> selList;
554 CutStack::const_iterator cit = theCuts.begin();
555 CutStack::const_iterator end = theCuts.end();
556 for (; cit != end; ++cit) {
557 // we do not use cit-> here because gcc 2.9x does not
559 ParagraphList const & pars = (*cit).first;
561 ParagraphList::const_iterator pit = pars.begin();
562 ParagraphList::const_iterator pend = pars.end();
563 for (; pit != pend; ++pit) {
564 asciiSel += pit->asString(AS_STR_INSETS);
565 if (asciiSel.size() > 25) {
566 asciiSel.replace(22, docstring::npos,
572 selList.push_back(asciiSel);
579 size_type numberOfSelections()
581 return theCuts.size();
585 void cutSelection(Cursor & cur, bool doclear, bool realcut)
587 // This doesn't make sense, if there is no selection
588 if (!cur.selection())
591 // OK, we have a selection. This is always between cur.selBegin()
594 if (cur.inTexted()) {
595 Text * text = cur.text();
600 // make sure that the depth behind the selection are restored, too
601 cur.recordUndoSelection();
602 pit_type begpit = cur.selBegin().pit();
603 pit_type endpit = cur.selEnd().pit();
605 int endpos = cur.selEnd().pos();
607 BufferParams const & bp = cur.buffer().params();
609 copySelectionHelper(cur.buffer(),
612 cur.selBegin().pos(), endpos,
613 bp.documentClassPtr(), theCuts);
614 // Stuff what we got on the clipboard.
615 // Even if there is no selection.
616 putClipboard(theCuts[0].first, theCuts[0].second,
617 cur.selectionAsString(true));
620 if (begpit != endpit)
621 cur.updateFlags(Update::Force | Update::FitCursor);
623 boost::tie(endpit, endpos) =
624 eraseSelectionHelper(bp,
627 cur.selBegin().pos(), endpos);
629 // cutSelection can invalidate the cursor so we need to set
631 // we prefer the end for when tracking changes
635 // sometimes necessary
637 && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
640 // need a valid cursor. (Lgb)
641 cur.clearSelection();
642 updateLabels(cur.buffer());
644 // tell tabular that a recent copy happened
645 dirtyTabularStack(false);
648 if (cur.inMathed()) {
649 if (cur.selBegin().idx() != cur.selEnd().idx()) {
650 // The current selection spans more than one cell.
652 cur.recordUndoInset();
654 // Record only the current cell to avoid a jumping
665 void copySelection(Cursor & cur)
667 copySelection(cur, cur.selectionAsString(true));
673 void copySelectionToStack(Cursor & cur, CutStack & cutstack)
675 // this doesn't make sense, if there is no selection
676 if (!cur.selection())
679 // copySelection can not yet handle the case of cross idx selection
680 if (cur.selBegin().idx() != cur.selEnd().idx())
683 if (cur.inTexted()) {
684 Text * text = cur.text();
686 // ok we have a selection. This is always between cur.selBegin()
687 // and sel_end cursor
689 // copy behind a space if there is one
690 ParagraphList & pars = text->paragraphs();
691 pos_type pos = cur.selBegin().pos();
692 pit_type par = cur.selBegin().pit();
693 while (pos < pars[par].size() &&
694 pars[par].isLineSeparator(pos) &&
695 (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
698 copySelectionHelper(cur.buffer(), pars, par, cur.selEnd().pit(),
699 pos, cur.selEnd().pos(),
700 cur.buffer().params().documentClassPtr(), cutstack);
701 dirtyTabularStack(false);
704 if (cur.inMathed()) {
705 //lyxerr << "copySelection in mathed" << endl;
708 BufferParams const & bp = cur.buffer().params();
709 // FIXME This should be the empty layout...right?
710 par.setLayout(bp.documentClass().emptyLayout());
711 par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
713 cutstack.push(make_pair(pars, bp.documentClassPtr()));
720 void copySelectionToStack()
722 if (!selectionBuffer.empty())
723 theCuts.push(selectionBuffer[0]);
727 void copySelection(Cursor & cur, docstring const & plaintext)
729 // In tablemode, because copy and paste actually use special table stack
730 // we do not attempt to get selected paragraphs under cursor. Instead, a
731 // paragraph with the plain text version is generated so that table cells
732 // can be pasted as pure text somewhere else.
733 if (cur.selBegin().idx() != cur.selEnd().idx()) {
736 BufferParams const & bp = cur.buffer().params();
737 par.setLayout(bp.documentClass().emptyLayout());
738 par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
740 theCuts.push(make_pair(pars, bp.documentClassPtr()));
742 copySelectionToStack(cur, theCuts);
745 // stuff the selection onto the X clipboard, from an explicit copy request
746 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
750 void saveSelection(Cursor & cur)
752 // This function is called, not when a selection is formed, but when
753 // a selection is cleared. Therefore, multiple keyboard selection
754 // will not repeatively trigger this function (bug 3877).
756 && cur.selBegin() == cur.bv().cursor().selBegin()
757 && cur.selEnd() == cur.bv().cursor().selEnd()) {
758 LYXERR(Debug::ACTION, "'" << cur.selectionAsString(true) << "'");
759 copySelectionToStack(cur, selectionBuffer);
766 return !selectionBuffer.empty();
770 void clearSelection()
772 selectionBuffer.clear();
782 docstring selection(size_t sel_index)
784 return sel_index < theCuts.size()
785 ? theCuts[sel_index].first.back().asString(AS_STR_INSETS)
790 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
791 DocumentClass const * const docclass, ErrorList & errorList)
793 if (cur.inTexted()) {
794 Text * text = cur.text();
800 boost::tie(ppp, endpit) =
801 pasteSelectionHelper(cur, parlist, docclass, errorList);
802 updateLabels(cur.buffer());
803 cur.clearSelection();
804 text->setCursor(cur, ppp.first, ppp.second);
807 // mathed is handled in InsetMathNest/InsetMathGrid
808 LASSERT(!cur.inMathed(), /**/);
812 void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
814 // this does not make sense, if there is nothing to paste
815 if (!checkPastePossible(sel_index))
819 pasteParagraphList(cur, theCuts[sel_index].first,
820 theCuts[sel_index].second, errorList);
825 void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs)
827 // Use internal clipboard if it is the most recent one
828 if (theClipboard().isInternal()) {
829 pasteFromStack(cur, errorList, 0);
833 // First try LyX format
834 if (theClipboard().hasLyXContents()) {
835 string lyx = theClipboard().getAsLyX();
837 // For some strange reason gcc 3.2 and 3.3 do not accept
838 // Buffer buffer(string(), false);
839 Buffer buffer("", false);
840 buffer.setUnnamed(true);
841 if (buffer.readString(lyx)) {
843 pasteParagraphList(cur, buffer.paragraphs(),
844 buffer.params().documentClassPtr(), errorList);
851 // Then try plain text
852 docstring const text = theClipboard().getAsText();
857 cur.text()->insertStringAsParagraphs(cur, text);
859 cur.text()->insertStringAsLines(cur, text);
863 void pasteClipboardGraphics(Cursor & cur, ErrorList & /* errorList */,
864 Clipboard::GraphicsType preferedType)
866 LASSERT(theClipboard().hasGraphicsContents(preferedType), /**/);
868 // get picture from clipboard
869 FileName filename = theClipboard().getAsGraphics(cur, preferedType);
870 if (filename.empty())
873 // create inset for graphic
874 InsetGraphics * inset = new InsetGraphics(cur.buffer());
875 InsetGraphicsParams params;
876 params.filename = support::DocFileName(filename.absFilename());
877 inset->setParams(params);
883 void pasteSelection(Cursor & cur, ErrorList & errorList)
885 if (selectionBuffer.empty())
888 pasteParagraphList(cur, selectionBuffer[0].first,
889 selectionBuffer[0].second, errorList);
893 void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwards)
896 DocIterator selbeg = cur.selectionBegin();
898 // Get font setting before we cut
900 selbeg.paragraph().getFontSettings(cur.buffer().params(), selbeg.pos());
902 // Insert the new string
903 pos_type pos = cur.selEnd().pos();
904 Paragraph & par = cur.selEnd().paragraph();
905 docstring::const_iterator cit = str.begin();
906 docstring::const_iterator end = str.end();
907 for (; cit != end; ++cit, ++pos)
908 par.insertChar(pos, *cit, font, cur.buffer().params().trackChanges);
911 cutSelection(cur, true, false);
913 // select the replacement
915 selbeg.pos() += str.length();
916 cur.setSelection(selbeg, -int(str.length()));
918 cur.setSelection(selbeg, str.length());
922 void replaceSelection(Cursor & cur)
925 cutSelection(cur, true, false);
929 void eraseSelection(Cursor & cur)
931 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
932 CursorSlice const & i1 = cur.selBegin();
933 CursorSlice const & i2 = cur.selEnd();
934 if (i1.inset().asInsetMath()) {
937 if (i1.idx() == i2.idx()) {
938 i1.cell().erase(i1.pos(), i2.pos());
939 // We may have deleted i1.cell(cur.pos()).
940 // Make sure that pos is valid.
941 if (cur.pos() > cur.lastpos())
942 cur.pos() = cur.lastpos();
944 InsetMath * p = i1.asInsetMath();
945 Inset::row_type r1, r2;
946 Inset::col_type c1, c2;
947 region(i1, i2, r1, r2, c1, c2);
948 for (Inset::row_type row = r1; row <= r2; ++row)
949 for (Inset::col_type col = c1; col <= c2; ++col)
950 p->cell(p->index(row, col)).clear();
951 // We've deleted the whole cell. Only pos 0 is valid.
954 // need a valid cursor. (Lgb)
955 cur.clearSelection();
957 lyxerr << "can't erase this selection 1" << endl;
959 //lyxerr << "cap::eraseSelection end: " << cur << endl;
963 void selDel(Cursor & cur)
965 //lyxerr << "cap::selDel" << endl;
971 void selClearOrDel(Cursor & cur)
973 //lyxerr << "cap::selClearOrDel" << endl;
974 if (lyxrc.auto_region_delete)
977 cur.selection() = false;
981 docstring grabSelection(Cursor const & cur)
983 if (!cur.selection())
987 // grab selection by glueing multiple cells together. This is not what
988 // we want because selections spanning multiple cells will get "&" and "\\"
991 for (DocIterator dit = cur.selectionBegin();
992 dit != cur.selectionEnd(); dit.forwardPos())
993 os << asString(dit.cell());
997 CursorSlice i1 = cur.selBegin();
998 CursorSlice i2 = cur.selEnd();
1000 if (i1.idx() == i2.idx()) {
1001 if (i1.inset().asInsetMath()) {
1002 MathData::const_iterator it = i1.cell().begin();
1003 return asString(MathData(it + i1.pos(), it + i2.pos()));
1005 return from_ascii("unknown selection 1");
1009 Inset::row_type r1, r2;
1010 Inset::col_type c1, c2;
1011 region(i1, i2, r1, r2, c1, c2);
1014 if (i1.inset().asInsetMath()) {
1015 for (Inset::row_type row = r1; row <= r2; ++row) {
1018 for (Inset::col_type col = c1; col <= c2; ++col) {
1021 data += asString(i1.asInsetMath()->
1022 cell(i1.asInsetMath()->index(row, col)));
1026 data = from_ascii("unknown selection 2");
1032 void dirtyTabularStack(bool b)
1034 dirty_tabular_stack_ = b;
1038 bool tabularStackDirty()
1040 return dirty_tabular_stack_;