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().useEmptyLayout()) {
133 bool forceEmptyLayout = cur.inset().forceEmptyLayout();
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 (forceEmptyLayout || parLayout == defaultLayout)
141 par->setLayout(emptyLayout);
143 } else { // check if we need to reset form 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 Buffer buffer("", false);
364 buffer.setUnnamed(true);
365 buffer.paragraphs() = paragraphs;
366 buffer.params().setDocumentClass(docclass);
368 if (buffer.write(lyx))
369 theClipboard().put(lyx.str(), plaintext);
371 theClipboard().put(string(), plaintext);
375 void copySelectionHelper(Buffer const & buf, ParagraphList & pars,
376 pit_type startpit, pit_type endpit,
377 int start, int end, DocumentClass const * const dc, CutStack & cutstack)
379 LASSERT(0 <= start && start <= pars[startpit].size(), /**/);
380 LASSERT(0 <= end && end <= pars[endpit].size(), /**/);
381 LASSERT(startpit != endpit || start <= end, /**/);
383 // Clone the paragraphs within the selection.
384 ParagraphList copy_pars(boost::next(pars.begin(), startpit),
385 boost::next(pars.begin(), endpit + 1));
387 // Remove the end of the last paragraph; afterwards, remove the
388 // beginning of the first paragraph. Keep this order - there may only
389 // be one paragraph! Do not track deletions here; this is an internal
390 // action not visible to the user
392 Paragraph & back = copy_pars.back();
393 back.eraseChars(end, back.size(), false);
394 Paragraph & front = copy_pars.front();
395 front.eraseChars(0, start, false);
397 ParagraphList::iterator it = copy_pars.begin();
398 ParagraphList::iterator it_end = copy_pars.end();
400 for (; it != it_end; it++) {
401 // ERT paragraphs have the Language latex_language.
402 // This is invalid outside of ERT, so we need to change it
403 // to the buffer language.
404 if (it->ownerCode() == ERT_CODE || it->ownerCode() == LISTINGS_CODE) {
405 it->changeLanguage(buf.params(), latex_language, buf.language());
407 it->setInsetOwner(0);
410 // do not copy text (also nested in insets) which is marked as deleted
411 acceptChanges(copy_pars, buf.params());
413 DocumentClass * d = const_cast<DocumentClass *>(dc);
414 cutstack.push(make_pair(copy_pars, d));
424 void region(CursorSlice const & i1, CursorSlice const & i2,
425 Inset::row_type & r1, Inset::row_type & r2,
426 Inset::col_type & c1, Inset::col_type & c2)
428 Inset & p = i1.inset();
429 c1 = p.col(i1.idx());
430 c2 = p.col(i2.idx());
433 r1 = p.row(i1.idx());
434 r2 = p.row(i2.idx());
440 docstring grabAndEraseSelection(Cursor & cur)
442 if (!cur.selection())
444 docstring res = grabSelection(cur);
450 bool reduceSelectionToOneCell(Cursor & cur)
452 if (!cur.selection() || !cur.inMathed())
455 CursorSlice i1 = cur.selBegin();
456 CursorSlice i2 = cur.selEnd();
457 if (!i1.inset().asInsetMath())
460 // the easy case: do nothing if only one cell is selected
461 if (i1.idx() == i2.idx())
466 cur.top().pos() = cur.top().lastpos();
472 bool multipleCellsSelected(Cursor const & cur)
474 if (!cur.selection() || !cur.inMathed())
477 CursorSlice i1 = cur.selBegin();
478 CursorSlice i2 = cur.selEnd();
479 if (!i1.inset().asInsetMath())
482 if (i1.idx() == i2.idx())
489 void switchBetweenClasses(DocumentClass const * const oldone,
490 DocumentClass const * const newone, InsetText & in, ErrorList & errorlist)
494 LASSERT(!in.paragraphs().empty(), /**/);
495 if (oldone == newone)
498 DocumentClass const & oldtc = *oldone;
499 DocumentClass const & newtc = *newone;
502 ParIterator end = par_iterator_end(in);
503 for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
504 docstring const name = it->layout().name();
505 bool hasLayout = newtc.hasLayout(name);
507 if (in.useEmptyLayout())
508 it->setLayout(newtc.emptyLayout());
510 it->setLayout(newtc[name]);
512 it->setLayout(newtc.defaultLayout());
514 if (!hasLayout && name != oldtc.defaultLayoutName()) {
515 docstring const s = bformat(
516 _("Layout had to be changed from\n%1$s to %2$s\n"
517 "because of class conversion from\n%3$s to %4$s"),
518 name, it->layout().name(),
519 from_utf8(oldtc.name()), from_utf8(newtc.name()));
520 // To warn the user that something had to be done.
521 errorlist.push_back(ErrorItem(_("Changed Layout"), s,
528 InsetIterator const i_end = inset_iterator_end(in);
529 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
530 InsetCollapsable * inset = it->asInsetCollapsable();
533 if (inset->lyxCode() != FLEX_CODE)
534 // FIXME: Should we verify all InsetCollapsable?
536 inset->setLayout(newone);
537 if (!inset->undefined())
539 // The flex inset is undefined in newtc
540 docstring const s = bformat(_(
541 "Flex inset %1$s is "
542 "undefined because of class "
543 "conversion from\n%2$s to %3$s"),
544 inset->name(), from_utf8(oldtc.name()),
545 from_utf8(newtc.name()));
546 // To warn the user that something had to be done.
547 errorlist.push_back(ErrorItem(
548 _("Undefined flex inset"),
549 s, it.paragraph().id(), it.pos(), it.pos() + 1));
554 vector<docstring> availableSelections()
556 vector<docstring> selList;
558 CutStack::const_iterator cit = theCuts.begin();
559 CutStack::const_iterator end = theCuts.end();
560 for (; cit != end; ++cit) {
561 // we do not use cit-> here because gcc 2.9x does not
563 ParagraphList const & pars = (*cit).first;
565 ParagraphList::const_iterator pit = pars.begin();
566 ParagraphList::const_iterator pend = pars.end();
567 for (; pit != pend; ++pit) {
568 asciiSel += pit->asString(AS_STR_INSETS);
569 if (asciiSel.size() > 25) {
570 asciiSel.replace(22, docstring::npos,
576 selList.push_back(asciiSel);
583 size_type numberOfSelections()
585 return theCuts.size();
589 void cutSelection(Cursor & cur, bool doclear, bool realcut)
591 // This doesn't make sense, if there is no selection
592 if (!cur.selection())
595 // OK, we have a selection. This is always between cur.selBegin()
598 if (cur.inTexted()) {
599 Text * text = cur.text();
604 // make sure that the depth behind the selection are restored, too
605 cur.recordUndoSelection();
606 pit_type begpit = cur.selBegin().pit();
607 pit_type endpit = cur.selEnd().pit();
609 int endpos = cur.selEnd().pos();
611 BufferParams const & bp = cur.buffer().params();
613 copySelectionHelper(cur.buffer(),
616 cur.selBegin().pos(), endpos,
617 bp.documentClassPtr(), theCuts);
618 // Stuff what we got on the clipboard.
619 // Even if there is no selection.
620 putClipboard(theCuts[0].first, theCuts[0].second,
621 cur.selectionAsString(true));
624 boost::tie(endpit, endpos) =
625 eraseSelectionHelper(bp,
628 cur.selBegin().pos(), endpos);
630 // cutSelection can invalidate the cursor so we need to set
632 // we prefer the end for when tracking changes
636 // sometimes necessary
638 && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
641 // need a valid cursor. (Lgb)
642 cur.clearSelection();
643 updateLabels(cur.buffer());
645 // tell tabular that a recent copy happened
646 dirtyTabularStack(false);
649 if (cur.inMathed()) {
650 if (cur.selBegin().idx() != cur.selEnd().idx()) {
651 // The current selection spans more than one cell.
653 cur.recordUndoInset();
655 // Record only the current cell to avoid a jumping
666 void copySelection(Cursor & cur)
668 copySelection(cur, cur.selectionAsString(true));
674 void copySelectionToStack(Cursor & cur, CutStack & cutstack)
676 // this doesn't make sense, if there is no selection
677 if (!cur.selection())
680 // copySelection can not yet handle the case of cross idx selection
681 if (cur.selBegin().idx() != cur.selEnd().idx())
684 if (cur.inTexted()) {
685 Text * text = cur.text();
687 // ok we have a selection. This is always between cur.selBegin()
688 // and sel_end cursor
690 // copy behind a space if there is one
691 ParagraphList & pars = text->paragraphs();
692 pos_type pos = cur.selBegin().pos();
693 pit_type par = cur.selBegin().pit();
694 while (pos < pars[par].size() &&
695 pars[par].isLineSeparator(pos) &&
696 (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
699 copySelectionHelper(cur.buffer(), pars, par, cur.selEnd().pit(),
700 pos, cur.selEnd().pos(),
701 cur.buffer().params().documentClassPtr(), cutstack);
702 dirtyTabularStack(false);
705 if (cur.inMathed()) {
706 //lyxerr << "copySelection in mathed" << endl;
709 BufferParams const & bp = cur.buffer().params();
710 // FIXME This should be the empty layout...right?
711 par.setLayout(bp.documentClass().emptyLayout());
712 par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
714 cutstack.push(make_pair(pars, bp.documentClassPtr()));
721 void copySelectionToStack()
723 if (!selectionBuffer.empty())
724 theCuts.push(selectionBuffer[0]);
728 void copySelection(Cursor & cur, docstring const & plaintext)
730 // In tablemode, because copy and paste actually use special table stack
731 // we do not attempt to get selected paragraphs under cursor. Instead, a
732 // paragraph with the plain text version is generated so that table cells
733 // can be pasted as pure text somewhere else.
734 if (cur.selBegin().idx() != cur.selEnd().idx()) {
737 BufferParams const & bp = cur.buffer().params();
738 par.setLayout(bp.documentClass().emptyLayout());
739 par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
741 theCuts.push(make_pair(pars, bp.documentClassPtr()));
743 copySelectionToStack(cur, theCuts);
746 // stuff the selection onto the X clipboard, from an explicit copy request
747 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
751 void saveSelection(Cursor & cur)
753 // This function is called, not when a selection is formed, but when
754 // a selection is cleared. Therefore, multiple keyboard selection
755 // will not repeatively trigger this function (bug 3877).
757 && cur.selBegin() == cur.bv().cursor().selBegin()
758 && cur.selEnd() == cur.bv().cursor().selEnd()) {
759 LYXERR(Debug::ACTION, "'" << cur.selectionAsString(true) << "'");
760 copySelectionToStack(cur, selectionBuffer);
767 return !selectionBuffer.empty();
771 void clearSelection()
773 selectionBuffer.clear();
783 docstring selection(size_t sel_index)
785 return sel_index < theCuts.size()
786 ? theCuts[sel_index].first.back().asString(AS_STR_INSETS)
791 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
792 DocumentClass const * const docclass, ErrorList & errorList)
794 if (cur.inTexted()) {
795 Text * text = cur.text();
801 boost::tie(ppp, endpit) =
802 pasteSelectionHelper(cur, parlist, docclass, errorList);
803 updateLabels(cur.buffer());
804 cur.clearSelection();
805 text->setCursor(cur, ppp.first, ppp.second);
808 // mathed is handled in InsetMathNest/InsetMathGrid
809 LASSERT(!cur.inMathed(), /**/);
813 void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
815 // this does not make sense, if there is nothing to paste
816 if (!checkPastePossible(sel_index))
820 pasteParagraphList(cur, theCuts[sel_index].first,
821 theCuts[sel_index].second, errorList);
826 void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs)
828 // Use internal clipboard if it is the most recent one
829 if (theClipboard().isInternal()) {
830 pasteFromStack(cur, errorList, 0);
834 // First try LyX format
835 if (theClipboard().hasLyXContents()) {
836 string lyx = theClipboard().getAsLyX();
838 // For some strange reason gcc 3.2 and 3.3 do not accept
839 // Buffer buffer(string(), false);
840 Buffer buffer("", false);
841 buffer.setUnnamed(true);
842 if (buffer.readString(lyx)) {
844 pasteParagraphList(cur, buffer.paragraphs(),
845 buffer.params().documentClassPtr(), errorList);
852 // Then try plain text
853 docstring const text = theClipboard().getAsText();
858 cur.text()->insertStringAsParagraphs(cur, text);
860 cur.text()->insertStringAsLines(cur, text);
864 void pasteClipboardGraphics(Cursor & cur, ErrorList & /* errorList */,
865 Clipboard::GraphicsType preferedType)
867 LASSERT(theClipboard().hasGraphicsContents(preferedType), /**/);
869 // get picture from clipboard
870 FileName filename = theClipboard().getAsGraphics(cur, preferedType);
871 if (filename.empty())
874 // create inset for graphic
875 InsetGraphics * inset = new InsetGraphics(cur.buffer());
876 InsetGraphicsParams params;
877 params.filename = support::DocFileName(filename.absFilename());
878 inset->setParams(params);
884 void pasteSelection(Cursor & cur, ErrorList & errorList)
886 if (selectionBuffer.empty())
889 pasteParagraphList(cur, selectionBuffer[0].first,
890 selectionBuffer[0].second, errorList);
894 void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwards)
897 DocIterator selbeg = cur.selectionBegin();
899 // Get font setting before we cut
901 selbeg.paragraph().getFontSettings(cur.buffer().params(), selbeg.pos());
903 // Insert the new string
904 pos_type pos = cur.selEnd().pos();
905 Paragraph & par = cur.selEnd().paragraph();
906 docstring::const_iterator cit = str.begin();
907 docstring::const_iterator end = str.end();
908 for (; cit != end; ++cit, ++pos)
909 par.insertChar(pos, *cit, font, cur.buffer().params().trackChanges);
912 cutSelection(cur, true, false);
914 // select the replacement
916 selbeg.pos() += str.length();
917 cur.setSelection(selbeg, -int(str.length()));
919 cur.setSelection(selbeg, str.length());
923 void replaceSelection(Cursor & cur)
926 cutSelection(cur, true, false);
930 void eraseSelection(Cursor & cur)
932 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
933 CursorSlice const & i1 = cur.selBegin();
934 CursorSlice const & i2 = cur.selEnd();
935 if (i1.inset().asInsetMath()) {
938 if (i1.idx() == i2.idx()) {
939 i1.cell().erase(i1.pos(), i2.pos());
940 // We may have deleted i1.cell(cur.pos()).
941 // Make sure that pos is valid.
942 if (cur.pos() > cur.lastpos())
943 cur.pos() = cur.lastpos();
945 InsetMath * p = i1.asInsetMath();
946 Inset::row_type r1, r2;
947 Inset::col_type c1, c2;
948 region(i1, i2, r1, r2, c1, c2);
949 for (Inset::row_type row = r1; row <= r2; ++row)
950 for (Inset::col_type col = c1; col <= c2; ++col)
951 p->cell(p->index(row, col)).clear();
952 // We've deleted the whole cell. Only pos 0 is valid.
955 // need a valid cursor. (Lgb)
956 cur.clearSelection();
958 lyxerr << "can't erase this selection 1" << endl;
960 //lyxerr << "cap::eraseSelection end: " << cur << endl;
964 void selDel(Cursor & cur)
966 //lyxerr << "cap::selDel" << endl;
972 void selClearOrDel(Cursor & cur)
974 //lyxerr << "cap::selClearOrDel" << endl;
975 if (lyxrc.auto_region_delete)
978 cur.selection() = false;
982 docstring grabSelection(Cursor const & cur)
984 if (!cur.selection())
988 // grab selection by glueing multiple cells together. This is not what
989 // we want because selections spanning multiple cells will get "&" and "\\"
992 for (DocIterator dit = cur.selectionBegin();
993 dit != cur.selectionEnd(); dit.forwardPos())
994 os << asString(dit.cell());
998 CursorSlice i1 = cur.selBegin();
999 CursorSlice i2 = cur.selEnd();
1001 if (i1.idx() == i2.idx()) {
1002 if (i1.inset().asInsetMath()) {
1003 MathData::const_iterator it = i1.cell().begin();
1004 return asString(MathData(it + i1.pos(), it + i2.pos()));
1006 return from_ascii("unknown selection 1");
1010 Inset::row_type r1, r2;
1011 Inset::col_type c1, c2;
1012 region(i1, i2, r1, r2, c1, c2);
1015 if (i1.inset().asInsetMath()) {
1016 for (Inset::row_type row = r1; row <= r2; ++row) {
1019 for (Inset::col_type col = c1; col <= c2; ++col) {
1022 data += asString(i1.asInsetMath()->
1023 cell(i1.asInsetMath()->index(row, col)));
1027 data = from_ascii("unknown selection 2");
1033 void dirtyTabularStack(bool b)
1035 dirty_tabular_stack_ = b;
1039 bool tabularStackDirty()
1041 return dirty_tabular_stack_;