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"
18 #include "BranchList.h"
20 #include "buffer_funcs.h"
21 #include "BufferList.h"
22 #include "BufferParams.h"
23 #include "BufferView.h"
26 #include "ErrorList.h"
28 #include "FuncRequest.h"
29 #include "InsetIterator.h"
30 #include "InsetList.h"
35 #include "Paragraph.h"
36 #include "paragraph_funcs.h"
37 #include "ParagraphParameters.h"
38 #include "ParIterator.h"
41 #include "insets/InsetBranch.h"
42 #include "insets/InsetCommand.h"
43 #include "insets/InsetFlex.h"
44 #include "insets/InsetGraphics.h"
45 #include "insets/InsetGraphicsParams.h"
46 #include "insets/InsetInclude.h"
47 #include "insets/InsetTabular.h"
49 #include "mathed/MathData.h"
50 #include "mathed/InsetMath.h"
51 #include "mathed/MathSupport.h"
53 #include "support/debug.h"
54 #include "support/docstream.h"
55 #include "support/gettext.h"
56 #include "support/limited_stack.h"
57 #include "support/lstrings.h"
59 #include "frontends/alert.h"
60 #include "frontends/Clipboard.h"
61 #include "frontends/Selection.h"
63 #include <boost/tuple/tuple.hpp>
64 #include <boost/next_prior.hpp>
69 using namespace lyx::support;
70 using lyx::frontend::Clipboard;
76 typedef pair<pit_type, int> PitPosPair;
78 typedef limited_stack<pair<ParagraphList, DocumentClass const *> > CutStack;
81 // persistent selection, cleared until the next selection
82 CutStack selectionBuffer(1);
84 // store whether the tabular stack is newer than the normal copy stack
85 // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
86 // when we (hopefully) have a one-for-all paste mechanism.
87 bool dirty_tabular_stack_ = false;
90 bool checkPastePossible(int index)
92 return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
96 pair<PitPosPair, pit_type>
97 pasteSelectionHelper(Cursor & cur, ParagraphList const & parlist,
98 DocumentClass const * const oldDocClass, ErrorList & errorlist)
100 Buffer const & buffer = *cur.buffer();
101 pit_type pit = cur.pit();
102 pos_type pos = cur.pos();
103 InsetText * target_inset = cur.inset().asInsetText();
105 InsetTabular * it = cur.inset().asInsetTabular();
106 target_inset = it? it->cell(cur.idx())->asInsetText() : 0;
108 LASSERT(target_inset, return make_pair(PitPosPair(pit, pos), pit));
109 ParagraphList & pars = target_inset->paragraphs();
112 return make_pair(PitPosPair(pit, pos), pit);
114 BOOST_ASSERT (pos <= pars[pit].size());
116 // Make a copy of the CaP paragraphs.
117 ParagraphList insertion = parlist;
118 DocumentClass const * const newDocClass =
119 buffer.params().documentClassPtr();
121 // Now remove all out of the pars which is NOT allowed in the
122 // new environment and set also another font if that is required.
124 // Convert newline to paragraph break in ERT inset.
125 // This should not be here!
126 InsetCode const code = target_inset->lyxCode();
127 if (code == ERT_CODE || code == LISTINGS_CODE) {
128 for (size_t i = 0; i != insertion.size(); ++i) {
129 for (pos_type j = 0; j != insertion[i].size(); ++j) {
130 if (insertion[i].isNewline(j)) {
131 // do not track deletion of newline
132 insertion[i].eraseChar(j, false);
133 insertion[i].setInsetOwner(target_inset);
134 breakParagraphConservative(
143 // set the paragraphs to plain layout if necessary
144 if (cur.inset().usePlainLayout()) {
145 bool forcePlainLayout = cur.inset().forcePlainLayout();
146 Layout const & plainLayout = newDocClass->plainLayout();
147 Layout const & defaultLayout = newDocClass->defaultLayout();
148 ParagraphList::iterator const end = insertion.end();
149 ParagraphList::iterator par = insertion.begin();
150 for (; par != end; ++par) {
151 Layout const & parLayout = par->layout();
152 if (forcePlainLayout || parLayout == defaultLayout)
153 par->setLayout(plainLayout);
155 } else { // check if we need to reset from plain layout
156 Layout const & defaultLayout = newDocClass->defaultLayout();
157 Layout const & plainLayout = newDocClass->plainLayout();
158 ParagraphList::iterator const end = insertion.end();
159 ParagraphList::iterator par = insertion.begin();
160 for (; par != end; ++par) {
161 Layout const & parLayout = par->layout();
162 if (parLayout == plainLayout)
163 par->setLayout(defaultLayout);
167 InsetText in(buffer);
168 // Make sure there is no class difference.
169 in.paragraphs().clear();
170 // This works without copying any paragraph data because we have
171 // a specialized swap method for ParagraphList. This is important
172 // since we store pointers to insets at some places and we don't
173 // want to invalidate them.
174 insertion.swap(in.paragraphs());
175 cap::switchBetweenClasses(oldDocClass, newDocClass, in, errorlist);
176 insertion.swap(in.paragraphs());
178 ParagraphList::iterator tmpbuf = insertion.begin();
179 int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
181 depth_type max_depth = pars[pit].getMaxDepthAfter();
183 for (; tmpbuf != insertion.end(); ++tmpbuf) {
184 // If we have a negative jump so that the depth would
185 // go below 0 depth then we have to redo the delta to
186 // this new max depth level so that subsequent
187 // paragraphs are aligned correctly to this paragraph
189 if (int(tmpbuf->params().depth()) + depth_delta < 0)
192 // Set the right depth so that we are not too deep or shallow.
193 tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
194 if (tmpbuf->params().depth() > max_depth)
195 tmpbuf->params().depth(max_depth);
197 // Only set this from the 2nd on as the 2nd depends
198 // for maxDepth still on pit.
199 if (tmpbuf != insertion.begin())
200 max_depth = tmpbuf->getMaxDepthAfter();
202 // Set the inset owner of this paragraph.
203 tmpbuf->setInsetOwner(target_inset);
204 for (pos_type i = 0; i < tmpbuf->size(); ++i) {
205 // do not track deletion of invalid insets
206 if (Inset * inset = tmpbuf->getInset(i))
207 if (!target_inset->insetAllowed(inset->lyxCode()))
208 tmpbuf->eraseChar(i--, false);
211 tmpbuf->setChange(Change(buffer.params().trackChanges ?
212 Change::INSERTED : Change::UNCHANGED));
215 bool const empty = pars[pit].empty();
217 // Make the buf exactly the same layout as the cursor
219 insertion.begin()->makeSameLayout(pars[pit]);
222 // Prepare the paragraphs and insets for insertion.
223 insertion.swap(in.paragraphs());
225 InsetIterator const i_end = inset_iterator_end(in);
226 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
227 // Even though this will also be done later, it has to be done here
228 // since, e.g., InsetLabel::updateCommand() is going to try to access
229 // the buffer() member.
230 it->setBuffer(const_cast<Buffer &>(buffer));
231 switch (it->lyxCode()) {
234 // check for duplicates
235 InsetCommand & lab = static_cast<InsetCommand &>(*it);
236 docstring const oldname = lab.getParam("name");
237 lab.updateCommand(oldname, false);
238 docstring const newname = lab.getParam("name");
239 if (oldname != newname) {
240 // adapt the references
241 for (InsetIterator itt = inset_iterator_begin(in); itt != i_end; ++itt) {
242 if (itt->lyxCode() == REF_CODE) {
243 InsetCommand & ref = dynamic_cast<InsetCommand &>(*itt);
244 if (ref.getParam("reference") == oldname)
245 ref.setParam("reference", newname);
253 InsetInclude & inc = static_cast<InsetInclude &>(*it);
259 // check for duplicates
260 InsetCommand & bib = static_cast<InsetCommand &>(*it);
261 docstring const oldkey = bib.getParam("key");
262 bib.updateCommand(oldkey, false);
263 docstring const newkey = bib.getParam("key");
264 if (oldkey != newkey) {
265 // adapt the references
266 for (InsetIterator itt = inset_iterator_begin(in); itt != i_end; ++itt) {
267 if (itt->lyxCode() == CITE_CODE) {
268 InsetCommand & ref = dynamic_cast<InsetCommand &>(*itt);
269 if (ref.getParam("key") == oldkey)
270 ref.setParam("key", newkey);
278 // check if branch is known to target buffer
280 InsetBranch & br = static_cast<InsetBranch &>(*it);
281 docstring const name = br.branch();
284 bool const is_child = (&buffer != buffer.masterBuffer());
285 BranchList branchlist = buffer.params().branchlist();
286 if ((!is_child && branchlist.find(name))
287 || (is_child && (branchlist.find(name)
288 || buffer.masterBuffer()->params().branchlist().find(name))))
290 // FIXME: add an option to add the branch to the master's BranchList.
291 docstring text = bformat(
292 _("The pasted branch \"%1$s\" is undefined.\n"
293 "Do you want to add it to the document's branch list?"),
295 if (frontend::Alert::prompt(_("Unknown branch"),
296 text, 0, 1, _("&Add"), _("&Don't Add")) != 0)
298 lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD, name));
306 insertion.swap(in.paragraphs());
308 // Split the paragraph for inserting the buf if necessary.
310 breakParagraphConservative(buffer.params(), pars, pit, pos);
314 pars.insert(boost::next(pars.begin(), pit),
318 // merge the empty par with the last par of the insertion
319 mergeParagraph(buffer.params(), pars,
320 pit + insertion.size() - 1);
322 pars.insert(boost::next(pars.begin(), pit + 1),
326 // merge the first par of the insertion with the current par
327 mergeParagraph(buffer.params(), pars, pit);
330 // Store the new cursor position.
331 pit_type last_paste = pit + insertion.size() - 1;
332 pit_type startpit = pit;
334 pos = pars[last_paste].size();
336 // FIXME Should we do it here, or should we let updateLabels() do it?
337 // Set paragraph buffers. It's important to do this right away
338 // before something calls Inset::buffer() and causes a crash.
339 for (pit_type p = startpit; p <= pit; ++p)
340 pars[p].setBuffer(const_cast<Buffer &>(buffer));
342 // Join (conditionally) last pasted paragraph with next one, i.e.,
343 // the tail of the spliced document paragraph
344 if (!empty && last_paste + 1 != pit_type(pars.size())) {
345 if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
346 mergeParagraph(buffer.params(), pars, last_paste);
347 } else if (pars[last_paste + 1].empty()) {
348 pars[last_paste + 1].makeSameLayout(pars[last_paste]);
349 mergeParagraph(buffer.params(), pars, last_paste);
350 } else if (pars[last_paste].empty()) {
351 pars[last_paste].makeSameLayout(pars[last_paste + 1]);
352 mergeParagraph(buffer.params(), pars, last_paste);
354 pars[last_paste + 1].stripLeadingSpaces(buffer.params().trackChanges);
359 return make_pair(PitPosPair(pit, pos), last_paste + 1);
363 PitPosPair eraseSelectionHelper(BufferParams const & params,
364 ParagraphList & pars,
365 pit_type startpit, pit_type endpit,
366 int startpos, int endpos)
368 // Start of selection is really invalid.
369 if (startpit == pit_type(pars.size()) ||
370 (startpos > pars[startpit].size()))
371 return PitPosPair(endpit, endpos);
373 // Start and end is inside same paragraph
374 if (endpit == pit_type(pars.size()) || startpit == endpit) {
375 endpos -= pars[startpit].eraseChars(startpos, endpos, params.trackChanges);
376 return PitPosPair(endpit, endpos);
379 for (pit_type pit = startpit; pit != endpit + 1;) {
380 pos_type const left = (pit == startpit ? startpos : 0);
381 pos_type right = (pit == endpit ? endpos : pars[pit].size() + 1);
382 bool const merge = pars[pit].isMergedOnEndOfParDeletion(params.trackChanges);
384 // Logically erase only, including the end-of-paragraph character
385 pars[pit].eraseChars(left, right, params.trackChanges);
387 // Separate handling of paragraph break:
388 if (merge && pit != endpit &&
390 || pars[pit].hasSameLayout(pars[endpit])
391 || pars[endpit].size() == endpos)) {
392 if (pit + 1 == endpit)
393 endpos += pars[pit].size();
394 mergeParagraph(params, pars, pit);
400 // Ensure legal cursor pos:
403 return PitPosPair(endpit, endpos);
407 void putClipboard(ParagraphList const & paragraphs,
408 DocumentClass const * const docclass, docstring const & plaintext)
410 // For some strange reason gcc 3.2 and 3.3 do not accept
411 // Buffer buffer(string(), false);
412 // This needs to be static to avoid a memory leak. When a Buffer is
413 // constructed, it constructs a BufferParams, which in turn constructs
414 // a DocumentClass, via new, that is never deleted. If we were to go to
415 // some kind of garbage collection there, or a shared_ptr, then this
416 // would not be needed.
417 static Buffer * buffer = theBufferList().newBuffer(
418 FileName::tempName().absFilename() + "_clipboard.internal");
419 buffer->setUnnamed(true);
420 buffer->paragraphs() = paragraphs;
421 buffer->inset().setBuffer(*buffer);
422 buffer->params().setDocumentClass(docclass);
424 if (buffer->write(lyx))
425 theClipboard().put(lyx.str(), plaintext);
427 theClipboard().put(string(), plaintext);
429 buffer->paragraphs().clear();
433 void copySelectionHelper(Buffer const & buf, ParagraphList const & pars,
434 pit_type startpit, pit_type endpit,
435 int start, int end, DocumentClass const * const dc, CutStack & cutstack)
437 LASSERT(0 <= start && start <= pars[startpit].size(), /**/);
438 LASSERT(0 <= end && end <= pars[endpit].size(), /**/);
439 LASSERT(startpit != endpit || start <= end, /**/);
441 // Clone the paragraphs within the selection.
442 ParagraphList copy_pars(boost::next(pars.begin(), startpit),
443 boost::next(pars.begin(), endpit + 1));
445 // Remove the end of the last paragraph; afterwards, remove the
446 // beginning of the first paragraph. Keep this order - there may only
447 // be one paragraph! Do not track deletions here; this is an internal
448 // action not visible to the user
450 Paragraph & back = copy_pars.back();
451 back.eraseChars(end, back.size(), false);
452 Paragraph & front = copy_pars.front();
453 front.eraseChars(0, start, false);
455 ParagraphList::iterator it = copy_pars.begin();
456 ParagraphList::iterator it_end = copy_pars.end();
458 for (; it != it_end; it++) {
459 // ERT paragraphs have the Language latex_language.
460 // This is invalid outside of ERT, so we need to change it
461 // to the buffer language.
462 if (it->ownerCode() == ERT_CODE || it->ownerCode() == LISTINGS_CODE)
463 it->changeLanguage(buf.params(), latex_language, buf.language());
465 it->setInsetOwner(0);
468 // do not copy text (also nested in insets) which is marked as deleted,
469 // unless the whole selection was deleted
470 if (!isFullyDeleted(copy_pars))
471 acceptChanges(copy_pars, buf.params());
473 DocumentClass * d = const_cast<DocumentClass *>(dc);
474 cutstack.push(make_pair(copy_pars, d));
484 void region(CursorSlice const & i1, CursorSlice const & i2,
485 Inset::row_type & r1, Inset::row_type & r2,
486 Inset::col_type & c1, Inset::col_type & c2)
488 Inset & p = i1.inset();
489 c1 = p.col(i1.idx());
490 c2 = p.col(i2.idx());
493 r1 = p.row(i1.idx());
494 r2 = p.row(i2.idx());
500 docstring grabAndEraseSelection(Cursor & cur)
502 if (!cur.selection())
504 docstring res = grabSelection(cur);
510 bool reduceSelectionToOneCell(Cursor & cur)
512 if (!cur.selection() || !cur.inMathed())
515 CursorSlice i1 = cur.selBegin();
516 CursorSlice i2 = cur.selEnd();
517 if (!i1.inset().asInsetMath())
520 // the easy case: do nothing if only one cell is selected
521 if (i1.idx() == i2.idx())
526 cur.top().pos() = cur.top().lastpos();
532 bool multipleCellsSelected(Cursor const & cur)
534 if (!cur.selection() || !cur.inMathed())
537 CursorSlice i1 = cur.selBegin();
538 CursorSlice i2 = cur.selEnd();
539 if (!i1.inset().asInsetMath())
542 if (i1.idx() == i2.idx())
549 void switchBetweenClasses(DocumentClass const * const oldone,
550 DocumentClass const * const newone, InsetText & in, ErrorList & errorlist)
554 LASSERT(!in.paragraphs().empty(), /**/);
555 if (oldone == newone)
558 DocumentClass const & oldtc = *oldone;
559 DocumentClass const & newtc = *newone;
562 ParIterator end = par_iterator_end(in);
563 for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
564 docstring const name = it->layout().name();
566 // the pasted text will keep their own layout name. If this layout does
567 // not exist in the new document, it will behave like a standard layout.
568 newtc.addLayoutIfNeeded(name);
570 if (in.usePlainLayout())
571 it->setLayout(newtc.plainLayout());
573 it->setLayout(newtc[name]);
577 InsetIterator const i_end = inset_iterator_end(in);
578 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
579 if (it->lyxCode() != FLEX_CODE)
580 // FIXME: Should we verify all InsetCollapsable?
582 if (!it->undefined())
584 // The flex inset is undefined in newtc
585 docstring const s = bformat(_(
586 "Flex inset %1$s is "
587 "undefined because of class "
588 "conversion from\n%2$s to %3$s"),
589 it->name(), from_utf8(oldtc.name()),
590 from_utf8(newtc.name()));
591 // To warn the user that something had to be done.
592 errorlist.push_back(ErrorItem(
593 _("Undefined flex inset"),
594 s, it.paragraph().id(), it.pos(), it.pos() + 1));
599 vector<docstring> availableSelections(Buffer const * buf)
601 vector<docstring> selList;
605 CutStack::const_iterator cit = theCuts.begin();
606 CutStack::const_iterator end = theCuts.end();
607 for (; cit != end; ++cit) {
608 // we do not use cit-> here because gcc 2.9x does not
610 ParagraphList const & pars = (*cit).first;
612 ParagraphList::const_iterator pit = pars.begin();
613 ParagraphList::const_iterator pend = pars.end();
614 for (; pit != pend; ++pit) {
615 Paragraph par(*pit, 0, 26);
616 // adapt paragraph to current buffer.
617 par.setBuffer(const_cast<Buffer &>(*buf));
618 asciiSel += par.asString(AS_STR_INSETS);
619 if (asciiSel.size() > 25) {
620 asciiSel.replace(22, docstring::npos,
626 selList.push_back(asciiSel);
633 size_type numberOfSelections()
635 return theCuts.size();
639 void cutSelection(Cursor & cur, bool doclear, bool realcut)
641 // This doesn't make sense, if there is no selection
642 if (!cur.selection())
645 // OK, we have a selection. This is always between cur.selBegin()
648 if (cur.inTexted()) {
649 Text * text = cur.text();
654 // make sure that the depth behind the selection are restored, too
655 cur.recordUndoSelection();
656 pit_type begpit = cur.selBegin().pit();
657 pit_type endpit = cur.selEnd().pit();
659 int endpos = cur.selEnd().pos();
661 BufferParams const & bp = cur.buffer()->params();
663 copySelectionHelper(*cur.buffer(),
666 cur.selBegin().pos(), endpos,
667 bp.documentClassPtr(), theCuts);
668 // Stuff what we got on the clipboard.
669 // Even if there is no selection.
670 putClipboard(theCuts[0].first, theCuts[0].second,
671 cur.selectionAsString(true));
674 if (begpit != endpit)
675 cur.updateFlags(Update::Force | Update::FitCursor);
677 boost::tie(endpit, endpos) =
678 eraseSelectionHelper(bp,
681 cur.selBegin().pos(), endpos);
683 // cutSelection can invalidate the cursor so we need to set
685 // we prefer the end for when tracking changes
689 // sometimes necessary
691 && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
694 // need a valid cursor. (Lgb)
695 cur.clearSelection();
696 cur.buffer()->updateLabels();
698 // tell tabular that a recent copy happened
699 dirtyTabularStack(false);
702 if (cur.inMathed()) {
703 if (cur.selBegin().idx() != cur.selEnd().idx()) {
704 // The current selection spans more than one cell.
706 cur.recordUndoInset();
708 // Record only the current cell to avoid a jumping
719 void copySelection(Cursor const & cur)
721 copySelection(cur, cur.selectionAsString(true));
725 void copyInset(Cursor const & cur, Inset * inset, docstring const & plaintext)
729 BufferParams const & bp = cur.buffer()->params();
730 par.setLayout(bp.documentClass().plainLayout());
731 par.insertInset(0, inset, Change(Change::UNCHANGED));
733 theCuts.push(make_pair(pars, bp.documentClassPtr()));
735 // stuff the selection onto the X clipboard, from an explicit copy request
736 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
741 void copySelectionToStack(Cursor const & cur, CutStack & cutstack)
743 // this doesn't make sense, if there is no selection
744 if (!cur.selection())
747 // copySelection can not yet handle the case of cross idx selection
748 if (cur.selBegin().idx() != cur.selEnd().idx())
751 if (cur.inTexted()) {
752 Text * text = cur.text();
754 // ok we have a selection. This is always between cur.selBegin()
755 // and sel_end cursor
757 // copy behind a space if there is one
758 ParagraphList & pars = text->paragraphs();
759 pos_type pos = cur.selBegin().pos();
760 pit_type par = cur.selBegin().pit();
761 while (pos < pars[par].size() &&
762 pars[par].isLineSeparator(pos) &&
763 (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
766 copySelectionHelper(*cur.buffer(), pars, par, cur.selEnd().pit(),
767 pos, cur.selEnd().pos(),
768 cur.buffer()->params().documentClassPtr(), cutstack);
770 // Reset the dirty_tabular_stack_ flag only when something
771 // is copied to the clipboard (not to the selectionBuffer).
772 if (&cutstack == &theCuts)
773 dirtyTabularStack(false);
776 if (cur.inMathed()) {
777 //lyxerr << "copySelection in mathed" << endl;
780 BufferParams const & bp = cur.buffer()->params();
781 // FIXME This should be the plain layout...right?
782 par.setLayout(bp.documentClass().plainLayout());
783 par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
785 cutstack.push(make_pair(pars, bp.documentClassPtr()));
792 void copySelectionToStack()
794 if (!selectionBuffer.empty())
795 theCuts.push(selectionBuffer[0]);
799 void copySelection(Cursor const & cur, docstring const & plaintext)
801 // In tablemode, because copy and paste actually use special table stack
802 // we do not attempt to get selected paragraphs under cursor. Instead, a
803 // paragraph with the plain text version is generated so that table cells
804 // can be pasted as pure text somewhere else.
805 if (cur.selBegin().idx() != cur.selEnd().idx()) {
808 BufferParams const & bp = cur.buffer()->params();
809 par.setLayout(bp.documentClass().plainLayout());
810 par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
812 theCuts.push(make_pair(pars, bp.documentClassPtr()));
814 copySelectionToStack(cur, theCuts);
817 // stuff the selection onto the X clipboard, from an explicit copy request
818 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
822 void saveSelection(Cursor const & cur)
824 // This function is called, not when a selection is formed, but when
825 // a selection is cleared. Therefore, multiple keyboard selection
826 // will not repeatively trigger this function (bug 3877).
828 && cur.selBegin() == cur.bv().cursor().selBegin()
829 && cur.selEnd() == cur.bv().cursor().selEnd()) {
830 LYXERR(Debug::SELECTION, "saveSelection: '" << cur.selectionAsString(true) << "'");
831 copySelectionToStack(cur, selectionBuffer);
838 return !selectionBuffer.empty();
842 void clearSelection()
844 selectionBuffer.clear();
854 docstring selection(size_t sel_index)
856 return sel_index < theCuts.size()
857 ? theCuts[sel_index].first.back().asString(AS_STR_INSETS | AS_STR_NEWLINES)
862 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
863 DocumentClass const * const docclass, ErrorList & errorList)
865 if (cur.inTexted()) {
866 Text * text = cur.text();
872 boost::tie(ppp, endpit) =
873 pasteSelectionHelper(cur, parlist, docclass, errorList);
874 cur.buffer()->updateLabels();
875 cur.clearSelection();
876 text->setCursor(cur, ppp.first, ppp.second);
879 // mathed is handled in InsetMathNest/InsetMathGrid
880 LASSERT(!cur.inMathed(), /**/);
884 void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
886 // this does not make sense, if there is nothing to paste
887 if (!checkPastePossible(sel_index))
891 pasteParagraphList(cur, theCuts[sel_index].first,
892 theCuts[sel_index].second, errorList);
897 void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs)
899 // Use internal clipboard if it is the most recent one
900 if (theClipboard().isInternal()) {
901 pasteFromStack(cur, errorList, 0);
905 // First try LyX format
906 if (theClipboard().hasLyXContents()) {
907 string lyx = theClipboard().getAsLyX();
909 // For some strange reason gcc 3.2 and 3.3 do not accept
910 // Buffer buffer(string(), false);
911 Buffer buffer("", false);
912 buffer.setUnnamed(true);
913 if (buffer.readString(lyx)) {
915 pasteParagraphList(cur, buffer.paragraphs(),
916 buffer.params().documentClassPtr(), errorList);
923 // Then try plain text
924 docstring const text = theClipboard().getAsText();
929 cur.text()->insertStringAsParagraphs(cur, text);
931 cur.text()->insertStringAsLines(cur, text);
935 void pasteClipboardGraphics(Cursor & cur, ErrorList & /* errorList */,
936 Clipboard::GraphicsType preferedType)
938 LASSERT(theClipboard().hasGraphicsContents(preferedType), /**/);
940 // get picture from clipboard
941 FileName filename = theClipboard().getAsGraphics(cur, preferedType);
942 if (filename.empty())
945 // create inset for graphic
946 InsetGraphics * inset = new InsetGraphics(*cur.buffer());
947 InsetGraphicsParams params;
948 params.filename = support::DocFileName(filename.absFilename());
949 inset->setParams(params);
955 void pasteSelection(Cursor & cur, ErrorList & errorList)
957 if (selectionBuffer.empty())
960 pasteParagraphList(cur, selectionBuffer[0].first,
961 selectionBuffer[0].second, errorList);
965 void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwards)
968 DocIterator selbeg = cur.selectionBegin();
970 // Get font setting before we cut, we need a copy here, not a bare reference.
972 selbeg.paragraph().getFontSettings(cur.buffer()->params(), selbeg.pos());
974 // Insert the new string
975 pos_type pos = cur.selEnd().pos();
976 Paragraph & par = cur.selEnd().paragraph();
977 docstring::const_iterator cit = str.begin();
978 docstring::const_iterator end = str.end();
979 for (; cit != end; ++cit, ++pos)
980 par.insertChar(pos, *cit, font, cur.buffer()->params().trackChanges);
983 cutSelection(cur, true, false);
985 // select the replacement
987 selbeg.pos() += str.length();
988 cur.setSelection(selbeg, -int(str.length()));
990 cur.setSelection(selbeg, str.length());
994 void replaceSelection(Cursor & cur)
997 cutSelection(cur, true, false);
1001 void eraseSelection(Cursor & cur)
1003 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
1004 CursorSlice const & i1 = cur.selBegin();
1005 CursorSlice const & i2 = cur.selEnd();
1006 if (i1.inset().asInsetMath()) {
1009 if (i1.idx() == i2.idx()) {
1010 i1.cell().erase(i1.pos(), i2.pos());
1011 // We may have deleted i1.cell(cur.pos()).
1012 // Make sure that pos is valid.
1013 if (cur.pos() > cur.lastpos())
1014 cur.pos() = cur.lastpos();
1016 InsetMath * p = i1.asInsetMath();
1017 Inset::row_type r1, r2;
1018 Inset::col_type c1, c2;
1019 region(i1, i2, r1, r2, c1, c2);
1020 for (Inset::row_type row = r1; row <= r2; ++row)
1021 for (Inset::col_type col = c1; col <= c2; ++col)
1022 p->cell(p->index(row, col)).clear();
1023 // We've deleted the whole cell. Only pos 0 is valid.
1026 // need a valid cursor. (Lgb)
1027 cur.clearSelection();
1029 lyxerr << "can't erase this selection 1" << endl;
1031 //lyxerr << "cap::eraseSelection end: " << cur << endl;
1035 void selDel(Cursor & cur)
1037 //lyxerr << "cap::selDel" << endl;
1038 if (cur.selection())
1039 eraseSelection(cur);
1043 void selClearOrDel(Cursor & cur)
1045 //lyxerr << "cap::selClearOrDel" << endl;
1046 if (lyxrc.auto_region_delete)
1049 cur.setSelection(false);
1053 docstring grabSelection(Cursor const & cur)
1055 if (!cur.selection())
1059 // grab selection by glueing multiple cells together. This is not what
1060 // we want because selections spanning multiple cells will get "&" and "\\"
1063 for (DocIterator dit = cur.selectionBegin();
1064 dit != cur.selectionEnd(); dit.forwardPos())
1065 os << asString(dit.cell());
1069 CursorSlice i1 = cur.selBegin();
1070 CursorSlice i2 = cur.selEnd();
1072 if (i1.idx() == i2.idx()) {
1073 if (i1.inset().asInsetMath()) {
1074 MathData::const_iterator it = i1.cell().begin();
1075 return asString(MathData(it + i1.pos(), it + i2.pos()));
1077 return from_ascii("unknown selection 1");
1081 Inset::row_type r1, r2;
1082 Inset::col_type c1, c2;
1083 region(i1, i2, r1, r2, c1, c2);
1086 if (i1.inset().asInsetMath()) {
1087 for (Inset::row_type row = r1; row <= r2; ++row) {
1090 for (Inset::col_type col = c1; col <= c2; ++col) {
1093 data += asString(i1.asInsetMath()->
1094 cell(i1.asInsetMath()->index(row, col)));
1098 data = from_ascii("unknown selection 2");
1104 void dirtyTabularStack(bool b)
1106 dirty_tabular_stack_ = b;
1110 bool tabularStackDirty()
1112 return dirty_tabular_stack_;