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 "BufferList.h"
21 #include "BufferParams.h"
22 #include "BufferView.h"
25 #include "ErrorList.h"
27 #include "FuncRequest.h"
28 #include "InsetIterator.h"
29 #include "InsetList.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/InsetCommand.h"
42 #include "insets/InsetGraphics.h"
43 #include "insets/InsetGraphicsParams.h"
44 #include "insets/InsetInclude.h"
45 #include "insets/InsetTabular.h"
47 #include "mathed/MathData.h"
48 #include "mathed/InsetMath.h"
49 #include "mathed/MathSupport.h"
51 #include "support/debug.h"
52 #include "support/docstream.h"
53 #include "support/gettext.h"
54 #include "support/limited_stack.h"
55 #include "support/lstrings.h"
57 #include "frontends/Clipboard.h"
58 #include "frontends/Selection.h"
60 #include <boost/tuple/tuple.hpp>
61 #include <boost/next_prior.hpp>
66 using namespace lyx::support;
67 using lyx::frontend::Clipboard;
73 typedef pair<pit_type, int> PitPosPair;
75 typedef limited_stack<pair<ParagraphList, DocumentClass const *> > CutStack;
78 // persistent selection, cleared until the next selection
79 CutStack selectionBuffer(1);
81 // store whether the tabular stack is newer than the normal copy stack
82 // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
83 // when we (hopefully) have a one-for-all paste mechanism.
84 bool dirty_tabular_stack_ = false;
87 bool checkPastePossible(int index)
89 return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
93 pair<PitPosPair, pit_type>
94 pasteSelectionHelper(Cursor & cur, ParagraphList const & parlist,
95 DocumentClass const * const oldDocClass, ErrorList & errorlist)
97 Buffer const & buffer = *cur.buffer();
98 pit_type pit = cur.pit();
99 pos_type pos = cur.pos();
100 InsetText * target_inset = cur.inset().asInsetText();
102 InsetTabular * it = cur.inset().asInsetTabular();
103 target_inset = it? it->cell(cur.idx())->asInsetText() : 0;
105 LASSERT(target_inset, return make_pair(PitPosPair(pit, pos), pit));
106 ParagraphList & pars = target_inset->paragraphs();
109 return make_pair(PitPosPair(pit, pos), pit);
111 BOOST_ASSERT (pos <= pars[pit].size());
113 // Make a copy of the CaP paragraphs.
114 ParagraphList insertion = parlist;
115 DocumentClass const * const newDocClass =
116 buffer.params().documentClassPtr();
118 // Now remove all out of the pars which is NOT allowed in the
119 // new environment and set also another font if that is required.
121 // Convert newline to paragraph break in ERT inset.
122 // This should not be here!
123 InsetCode const code = target_inset->lyxCode();
124 if (code == ERT_CODE || code == LISTINGS_CODE) {
125 for (size_t i = 0; i != insertion.size(); ++i) {
126 for (pos_type j = 0; j != insertion[i].size(); ++j) {
127 if (insertion[i].isNewline(j)) {
128 // do not track deletion of newline
129 insertion[i].eraseChar(j, false);
130 insertion[i].setInsetOwner(target_inset);
131 breakParagraphConservative(
140 // set the paragraphs to plain layout if necessary
141 if (cur.inset().usePlainLayout()) {
142 bool forcePlainLayout = cur.inset().forcePlainLayout();
143 Layout const & plainLayout = newDocClass->plainLayout();
144 Layout const & defaultLayout = newDocClass->defaultLayout();
145 ParagraphList::iterator const end = insertion.end();
146 ParagraphList::iterator par = insertion.begin();
147 for (; par != end; ++par) {
148 Layout const & parLayout = par->layout();
149 if (forcePlainLayout || parLayout == defaultLayout)
150 par->setLayout(plainLayout);
152 } else { // check if we need to reset from plain layout
153 Layout const & defaultLayout = newDocClass->defaultLayout();
154 Layout const & plainLayout = newDocClass->plainLayout();
155 ParagraphList::iterator const end = insertion.end();
156 ParagraphList::iterator par = insertion.begin();
157 for (; par != end; ++par) {
158 Layout const & parLayout = par->layout();
159 if (parLayout == plainLayout)
160 par->setLayout(defaultLayout);
164 InsetText in(buffer);
165 // Make sure there is no class difference.
166 in.paragraphs().clear();
167 // This works without copying any paragraph data because we have
168 // a specialized swap method for ParagraphList. This is important
169 // since we store pointers to insets at some places and we don't
170 // want to invalidate them.
171 insertion.swap(in.paragraphs());
172 cap::switchBetweenClasses(oldDocClass, newDocClass, in, errorlist);
173 insertion.swap(in.paragraphs());
175 ParagraphList::iterator tmpbuf = insertion.begin();
176 int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
178 depth_type max_depth = pars[pit].getMaxDepthAfter();
180 for (; tmpbuf != insertion.end(); ++tmpbuf) {
181 // If we have a negative jump so that the depth would
182 // go below 0 depth then we have to redo the delta to
183 // this new max depth level so that subsequent
184 // paragraphs are aligned correctly to this paragraph
186 if (int(tmpbuf->params().depth()) + depth_delta < 0)
189 // Set the right depth so that we are not too deep or shallow.
190 tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
191 if (tmpbuf->params().depth() > max_depth)
192 tmpbuf->params().depth(max_depth);
194 // Only set this from the 2nd on as the 2nd depends
195 // for maxDepth still on pit.
196 if (tmpbuf != insertion.begin())
197 max_depth = tmpbuf->getMaxDepthAfter();
199 // Set the inset owner of this paragraph.
200 tmpbuf->setInsetOwner(target_inset);
201 for (pos_type i = 0; i < tmpbuf->size(); ++i) {
202 // do not track deletion of invalid insets
203 if (Inset * inset = tmpbuf->getInset(i))
204 if (!target_inset->insetAllowed(inset->lyxCode()))
205 tmpbuf->eraseChar(i--, false);
208 tmpbuf->setChange(Change(buffer.params().trackChanges ?
209 Change::INSERTED : Change::UNCHANGED));
212 bool const empty = pars[pit].empty();
214 // Make the buf exactly the same layout as the cursor
216 insertion.begin()->makeSameLayout(pars[pit]);
219 // Prepare the paragraphs and insets for insertion.
220 insertion.swap(in.paragraphs());
222 InsetIterator const i_end = inset_iterator_end(in);
223 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
224 // Even though this will also be done later, it has to be done here
225 // since, e.g., InsetLabel::updateCommand() is going to try to access
226 // the buffer() member.
227 it->setBuffer(const_cast<Buffer &>(buffer));
228 switch (it->lyxCode()) {
231 // check for duplicates
232 InsetCommand & lab = static_cast<InsetCommand &>(*it);
233 docstring const oldname = lab.getParam("name");
234 lab.updateCommand(oldname, false);
235 docstring const newname = lab.getParam("name");
236 if (oldname != newname) {
237 // adapt the references
238 for (InsetIterator itt = inset_iterator_begin(in); itt != i_end; ++itt) {
239 if (itt->lyxCode() == REF_CODE) {
240 InsetCommand & ref = dynamic_cast<InsetCommand &>(*itt);
241 if (ref.getParam("reference") == oldname)
242 ref.setParam("reference", newname);
250 InsetInclude & inc = static_cast<InsetInclude &>(*it);
256 // check for duplicates
257 InsetCommand & bib = static_cast<InsetCommand &>(*it);
258 docstring const oldkey = bib.getParam("key");
259 bib.updateCommand(oldkey, false);
260 docstring const newkey = bib.getParam("key");
261 if (oldkey != newkey) {
262 // adapt the references
263 for (InsetIterator itt = inset_iterator_begin(in); itt != i_end; ++itt) {
264 if (itt->lyxCode() == CITE_CODE) {
265 InsetCommand & ref = dynamic_cast<InsetCommand &>(*itt);
266 if (ref.getParam("key") == oldkey)
267 ref.setParam("key", newkey);
278 insertion.swap(in.paragraphs());
280 // Split the paragraph for inserting the buf if necessary.
282 breakParagraphConservative(buffer.params(), pars, pit, pos);
286 pars.insert(boost::next(pars.begin(), pit),
290 // merge the empty par with the last par of the insertion
291 mergeParagraph(buffer.params(), pars,
292 pit + insertion.size() - 1);
294 pars.insert(boost::next(pars.begin(), pit + 1),
298 // merge the first par of the insertion with the current par
299 mergeParagraph(buffer.params(), pars, pit);
302 // Store the new cursor position.
303 pit_type last_paste = pit + insertion.size() - 1;
304 pit_type startpit = pit;
306 pos = pars[last_paste].size();
308 // FIXME Should we do it here, or should we let updateLabels() do it?
309 // Set paragraph buffers. It's important to do this right away
310 // before something calls Inset::buffer() and causes a crash.
311 for (pit_type p = startpit; p <= pit; ++p)
312 pars[p].setBuffer(const_cast<Buffer &>(buffer));
314 // Join (conditionally) last pasted paragraph with next one, i.e.,
315 // the tail of the spliced document paragraph
316 if (!empty && last_paste + 1 != pit_type(pars.size())) {
317 if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
318 mergeParagraph(buffer.params(), pars, last_paste);
319 } else if (pars[last_paste + 1].empty()) {
320 pars[last_paste + 1].makeSameLayout(pars[last_paste]);
321 mergeParagraph(buffer.params(), pars, last_paste);
322 } else if (pars[last_paste].empty()) {
323 pars[last_paste].makeSameLayout(pars[last_paste + 1]);
324 mergeParagraph(buffer.params(), pars, last_paste);
326 pars[last_paste + 1].stripLeadingSpaces(buffer.params().trackChanges);
331 return make_pair(PitPosPair(pit, pos), last_paste + 1);
335 PitPosPair eraseSelectionHelper(BufferParams const & params,
336 ParagraphList & pars,
337 pit_type startpit, pit_type endpit,
338 int startpos, int endpos)
340 // Start of selection is really invalid.
341 if (startpit == pit_type(pars.size()) ||
342 (startpos > pars[startpit].size()))
343 return PitPosPair(endpit, endpos);
345 // Start and end is inside same paragraph
346 if (endpit == pit_type(pars.size()) || startpit == endpit) {
347 endpos -= pars[startpit].eraseChars(startpos, endpos, params.trackChanges);
348 return PitPosPair(endpit, endpos);
351 for (pit_type pit = startpit; pit != endpit + 1;) {
352 pos_type const left = (pit == startpit ? startpos : 0);
353 pos_type right = (pit == endpit ? endpos : pars[pit].size() + 1);
354 bool const merge = pars[pit].isMergedOnEndOfParDeletion(params.trackChanges);
356 // Logically erase only, including the end-of-paragraph character
357 pars[pit].eraseChars(left, right, params.trackChanges);
359 // Separate handling of paragraph break:
360 if (merge && pit != endpit &&
362 || pars[pit].hasSameLayout(pars[endpit])
363 || pars[endpit].size() == endpos)) {
364 if (pit + 1 == endpit)
365 endpos += pars[pit].size();
366 mergeParagraph(params, pars, pit);
372 // Ensure legal cursor pos:
375 return PitPosPair(endpit, endpos);
379 void putClipboard(ParagraphList const & paragraphs,
380 DocumentClass const * const docclass, docstring const & plaintext)
382 // For some strange reason gcc 3.2 and 3.3 do not accept
383 // Buffer buffer(string(), false);
384 // This needs to be static to avoid a memory leak. When a Buffer is
385 // constructed, it constructs a BufferParams, which in turn constructs
386 // a DocumentClass, via new, that is never deleted. If we were to go to
387 // some kind of garbage collection there, or a shared_ptr, then this
388 // would not be needed.
389 static Buffer * buffer = theBufferList().newBuffer(
390 FileName::tempName().absFilename() + "_clipboard.internal");
391 buffer->setUnnamed(true);
392 buffer->paragraphs() = paragraphs;
393 buffer->inset().setBuffer(*buffer);
394 buffer->params().setDocumentClass(docclass);
396 if (buffer->write(lyx))
397 theClipboard().put(lyx.str(), plaintext);
399 theClipboard().put(string(), plaintext);
401 buffer->paragraphs().clear();
405 void copySelectionHelper(Buffer const & buf, ParagraphList const & pars,
406 pit_type startpit, pit_type endpit,
407 int start, int end, DocumentClass const * const dc, CutStack & cutstack)
409 LASSERT(0 <= start && start <= pars[startpit].size(), /**/);
410 LASSERT(0 <= end && end <= pars[endpit].size(), /**/);
411 LASSERT(startpit != endpit || start <= end, /**/);
413 // Clone the paragraphs within the selection.
414 ParagraphList copy_pars(boost::next(pars.begin(), startpit),
415 boost::next(pars.begin(), endpit + 1));
417 // Remove the end of the last paragraph; afterwards, remove the
418 // beginning of the first paragraph. Keep this order - there may only
419 // be one paragraph! Do not track deletions here; this is an internal
420 // action not visible to the user
422 Paragraph & back = copy_pars.back();
423 back.eraseChars(end, back.size(), false);
424 Paragraph & front = copy_pars.front();
425 front.eraseChars(0, start, false);
427 ParagraphList::iterator it = copy_pars.begin();
428 ParagraphList::iterator it_end = copy_pars.end();
430 for (; it != it_end; it++) {
431 // ERT paragraphs have the Language latex_language.
432 // This is invalid outside of ERT, so we need to change it
433 // to the buffer language.
434 if (it->ownerCode() == ERT_CODE || it->ownerCode() == LISTINGS_CODE)
435 it->changeLanguage(buf.params(), latex_language, buf.language());
437 it->setInsetOwner(0);
440 // do not copy text (also nested in insets) which is marked as deleted,
441 // unless the whole selection was deleted
442 if (!isFullyDeleted(copy_pars))
443 acceptChanges(copy_pars, buf.params());
445 DocumentClass * d = const_cast<DocumentClass *>(dc);
446 cutstack.push(make_pair(copy_pars, d));
456 void region(CursorSlice const & i1, CursorSlice const & i2,
457 Inset::row_type & r1, Inset::row_type & r2,
458 Inset::col_type & c1, Inset::col_type & c2)
460 Inset & p = i1.inset();
461 c1 = p.col(i1.idx());
462 c2 = p.col(i2.idx());
465 r1 = p.row(i1.idx());
466 r2 = p.row(i2.idx());
472 docstring grabAndEraseSelection(Cursor & cur)
474 if (!cur.selection())
476 docstring res = grabSelection(cur);
482 bool reduceSelectionToOneCell(Cursor & cur)
484 if (!cur.selection() || !cur.inMathed())
487 CursorSlice i1 = cur.selBegin();
488 CursorSlice i2 = cur.selEnd();
489 if (!i1.inset().asInsetMath())
492 // the easy case: do nothing if only one cell is selected
493 if (i1.idx() == i2.idx())
498 cur.top().pos() = cur.top().lastpos();
504 bool multipleCellsSelected(Cursor const & cur)
506 if (!cur.selection() || !cur.inMathed())
509 CursorSlice i1 = cur.selBegin();
510 CursorSlice i2 = cur.selEnd();
511 if (!i1.inset().asInsetMath())
514 if (i1.idx() == i2.idx())
521 void switchBetweenClasses(DocumentClass const * const oldone,
522 DocumentClass const * const newone, InsetText & in, ErrorList & errorlist)
526 LASSERT(!in.paragraphs().empty(), /**/);
527 if (oldone == newone)
530 DocumentClass const & oldtc = *oldone;
531 DocumentClass const & newtc = *newone;
534 ParIterator end = par_iterator_end(in);
535 for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
536 docstring const name = it->layout().name();
538 // the pasted text will keep their own layout name. If this layout does
539 // not exist in the new document, it will behave like a standard layout.
540 newtc.addLayoutIfNeeded(name);
542 if (in.usePlainLayout())
543 it->setLayout(newtc.plainLayout());
545 it->setLayout(newtc[name]);
549 InsetIterator const i_end = inset_iterator_end(in);
550 for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
551 InsetCollapsable * inset = it->asInsetCollapsable();
554 if (inset->lyxCode() != FLEX_CODE)
555 // FIXME: Should we verify all InsetCollapsable?
557 inset->setLayout(newone);
558 if (!inset->undefined())
560 // The flex inset is undefined in newtc
561 docstring const s = bformat(_(
562 "Flex inset %1$s is "
563 "undefined because of class "
564 "conversion from\n%2$s to %3$s"),
565 inset->name(), from_utf8(oldtc.name()),
566 from_utf8(newtc.name()));
567 // To warn the user that something had to be done.
568 errorlist.push_back(ErrorItem(
569 _("Undefined flex inset"),
570 s, it.paragraph().id(), it.pos(), it.pos() + 1));
575 vector<docstring> availableSelections(Buffer const * buf)
577 vector<docstring> selList;
581 CutStack::const_iterator cit = theCuts.begin();
582 CutStack::const_iterator end = theCuts.end();
583 for (; cit != end; ++cit) {
584 // we do not use cit-> here because gcc 2.9x does not
586 ParagraphList const & pars = (*cit).first;
588 ParagraphList::const_iterator pit = pars.begin();
589 ParagraphList::const_iterator pend = pars.end();
590 for (; pit != pend; ++pit) {
591 Paragraph par(*pit, 0, 26);
592 // adapt paragraph to current buffer.
593 par.setBuffer(const_cast<Buffer &>(*buf));
594 asciiSel += par.asString(AS_STR_INSETS);
595 if (asciiSel.size() > 25) {
596 asciiSel.replace(22, docstring::npos,
602 selList.push_back(asciiSel);
609 size_type numberOfSelections()
611 return theCuts.size();
615 void cutSelection(Cursor & cur, bool doclear, bool realcut)
617 // This doesn't make sense, if there is no selection
618 if (!cur.selection())
621 // OK, we have a selection. This is always between cur.selBegin()
624 if (cur.inTexted()) {
625 Text * text = cur.text();
630 // make sure that the depth behind the selection are restored, too
631 cur.recordUndoSelection();
632 pit_type begpit = cur.selBegin().pit();
633 pit_type endpit = cur.selEnd().pit();
635 int endpos = cur.selEnd().pos();
637 BufferParams const & bp = cur.buffer()->params();
639 copySelectionHelper(*cur.buffer(),
642 cur.selBegin().pos(), endpos,
643 bp.documentClassPtr(), theCuts);
644 // Stuff what we got on the clipboard.
645 // Even if there is no selection.
646 putClipboard(theCuts[0].first, theCuts[0].second,
647 cur.selectionAsString(true));
650 if (begpit != endpit)
651 cur.updateFlags(Update::Force | Update::FitCursor);
653 boost::tie(endpit, endpos) =
654 eraseSelectionHelper(bp,
657 cur.selBegin().pos(), endpos);
659 // cutSelection can invalidate the cursor so we need to set
661 // we prefer the end for when tracking changes
665 // sometimes necessary
667 && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
670 // need a valid cursor. (Lgb)
671 cur.clearSelection();
672 cur.buffer()->updateLabels();
674 // tell tabular that a recent copy happened
675 dirtyTabularStack(false);
678 if (cur.inMathed()) {
679 if (cur.selBegin().idx() != cur.selEnd().idx()) {
680 // The current selection spans more than one cell.
682 cur.recordUndoInset();
684 // Record only the current cell to avoid a jumping
695 void copySelection(Cursor const & cur)
697 copySelection(cur, cur.selectionAsString(true));
701 void copyInset(Cursor const & cur, Inset * inset, docstring const & plaintext)
705 BufferParams const & bp = cur.buffer()->params();
706 par.setLayout(bp.documentClass().plainLayout());
707 par.insertInset(0, inset, Change(Change::UNCHANGED));
709 theCuts.push(make_pair(pars, bp.documentClassPtr()));
711 // stuff the selection onto the X clipboard, from an explicit copy request
712 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
717 void copySelectionToStack(Cursor const & cur, CutStack & cutstack)
719 // this doesn't make sense, if there is no selection
720 if (!cur.selection())
723 // copySelection can not yet handle the case of cross idx selection
724 if (cur.selBegin().idx() != cur.selEnd().idx())
727 if (cur.inTexted()) {
728 Text * text = cur.text();
730 // ok we have a selection. This is always between cur.selBegin()
731 // and sel_end cursor
733 // copy behind a space if there is one
734 ParagraphList & pars = text->paragraphs();
735 pos_type pos = cur.selBegin().pos();
736 pit_type par = cur.selBegin().pit();
737 while (pos < pars[par].size() &&
738 pars[par].isLineSeparator(pos) &&
739 (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
742 copySelectionHelper(*cur.buffer(), pars, par, cur.selEnd().pit(),
743 pos, cur.selEnd().pos(),
744 cur.buffer()->params().documentClassPtr(), cutstack);
745 dirtyTabularStack(false);
748 if (cur.inMathed()) {
749 //lyxerr << "copySelection in mathed" << endl;
752 BufferParams const & bp = cur.buffer()->params();
753 // FIXME This should be the plain layout...right?
754 par.setLayout(bp.documentClass().plainLayout());
755 par.insert(0, grabSelection(cur), Font(), Change(Change::UNCHANGED));
757 cutstack.push(make_pair(pars, bp.documentClassPtr()));
764 void copySelectionToStack()
766 if (!selectionBuffer.empty())
767 theCuts.push(selectionBuffer[0]);
771 void copySelection(Cursor const & cur, docstring const & plaintext)
773 // In tablemode, because copy and paste actually use special table stack
774 // we do not attempt to get selected paragraphs under cursor. Instead, a
775 // paragraph with the plain text version is generated so that table cells
776 // can be pasted as pure text somewhere else.
777 if (cur.selBegin().idx() != cur.selEnd().idx()) {
780 BufferParams const & bp = cur.buffer()->params();
781 par.setLayout(bp.documentClass().plainLayout());
782 par.insert(0, plaintext, Font(), Change(Change::UNCHANGED));
784 theCuts.push(make_pair(pars, bp.documentClassPtr()));
786 copySelectionToStack(cur, theCuts);
789 // stuff the selection onto the X clipboard, from an explicit copy request
790 putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
794 void saveSelection(Cursor const & cur)
796 // This function is called, not when a selection is formed, but when
797 // a selection is cleared. Therefore, multiple keyboard selection
798 // will not repeatively trigger this function (bug 3877).
800 && cur.selBegin() == cur.bv().cursor().selBegin()
801 && cur.selEnd() == cur.bv().cursor().selEnd()) {
802 LYXERR(Debug::SELECTION, "saveSelection: '" << cur.selectionAsString(true) << "'");
803 copySelectionToStack(cur, selectionBuffer);
810 return !selectionBuffer.empty();
814 void clearSelection()
816 selectionBuffer.clear();
826 docstring selection(size_t sel_index)
828 return sel_index < theCuts.size()
829 ? theCuts[sel_index].first.back().asString(AS_STR_INSETS | AS_STR_NEWLINES)
834 void pasteParagraphList(Cursor & cur, ParagraphList const & parlist,
835 DocumentClass const * const docclass, ErrorList & errorList)
837 if (cur.inTexted()) {
838 Text * text = cur.text();
844 boost::tie(ppp, endpit) =
845 pasteSelectionHelper(cur, parlist, docclass, errorList);
846 cur.buffer()->updateLabels();
847 cur.clearSelection();
848 text->setCursor(cur, ppp.first, ppp.second);
851 // mathed is handled in InsetMathNest/InsetMathGrid
852 LASSERT(!cur.inMathed(), /**/);
856 void pasteFromStack(Cursor & cur, ErrorList & errorList, size_t sel_index)
858 // this does not make sense, if there is nothing to paste
859 if (!checkPastePossible(sel_index))
863 pasteParagraphList(cur, theCuts[sel_index].first,
864 theCuts[sel_index].second, errorList);
869 void pasteClipboardText(Cursor & cur, ErrorList & errorList, bool asParagraphs)
871 // Use internal clipboard if it is the most recent one
872 if (theClipboard().isInternal()) {
873 pasteFromStack(cur, errorList, 0);
877 // First try LyX format
878 if (theClipboard().hasLyXContents()) {
879 string lyx = theClipboard().getAsLyX();
881 // For some strange reason gcc 3.2 and 3.3 do not accept
882 // Buffer buffer(string(), false);
883 Buffer buffer("", false);
884 buffer.setUnnamed(true);
885 if (buffer.readString(lyx)) {
887 pasteParagraphList(cur, buffer.paragraphs(),
888 buffer.params().documentClassPtr(), errorList);
895 // Then try plain text
896 docstring const text = theClipboard().getAsText();
901 cur.text()->insertStringAsParagraphs(cur, text);
903 cur.text()->insertStringAsLines(cur, text);
907 void pasteClipboardGraphics(Cursor & cur, ErrorList & /* errorList */,
908 Clipboard::GraphicsType preferedType)
910 LASSERT(theClipboard().hasGraphicsContents(preferedType), /**/);
912 // get picture from clipboard
913 FileName filename = theClipboard().getAsGraphics(cur, preferedType);
914 if (filename.empty())
917 // create inset for graphic
918 InsetGraphics * inset = new InsetGraphics(*cur.buffer());
919 InsetGraphicsParams params;
920 params.filename = support::DocFileName(filename.absFilename());
921 inset->setParams(params);
927 void pasteSelection(Cursor & cur, ErrorList & errorList)
929 if (selectionBuffer.empty())
932 pasteParagraphList(cur, selectionBuffer[0].first,
933 selectionBuffer[0].second, errorList);
937 void replaceSelectionWithString(Cursor & cur, docstring const & str, bool backwards)
940 DocIterator selbeg = cur.selectionBegin();
942 // Get font setting before we cut, we need a copy here, not a bare reference.
944 selbeg.paragraph().getFontSettings(cur.buffer()->params(), selbeg.pos());
946 // Insert the new string
947 pos_type pos = cur.selEnd().pos();
948 Paragraph & par = cur.selEnd().paragraph();
949 docstring::const_iterator cit = str.begin();
950 docstring::const_iterator end = str.end();
951 for (; cit != end; ++cit, ++pos)
952 par.insertChar(pos, *cit, font, cur.buffer()->params().trackChanges);
955 cutSelection(cur, true, false);
957 // select the replacement
959 selbeg.pos() += str.length();
960 cur.setSelection(selbeg, -int(str.length()));
962 cur.setSelection(selbeg, str.length());
966 void replaceSelection(Cursor & cur)
969 cutSelection(cur, true, false);
973 void eraseSelection(Cursor & cur)
975 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
976 CursorSlice const & i1 = cur.selBegin();
977 CursorSlice const & i2 = cur.selEnd();
978 if (i1.inset().asInsetMath()) {
981 if (i1.idx() == i2.idx()) {
982 i1.cell().erase(i1.pos(), i2.pos());
983 // We may have deleted i1.cell(cur.pos()).
984 // Make sure that pos is valid.
985 if (cur.pos() > cur.lastpos())
986 cur.pos() = cur.lastpos();
988 InsetMath * p = i1.asInsetMath();
989 Inset::row_type r1, r2;
990 Inset::col_type c1, c2;
991 region(i1, i2, r1, r2, c1, c2);
992 for (Inset::row_type row = r1; row <= r2; ++row)
993 for (Inset::col_type col = c1; col <= c2; ++col)
994 p->cell(p->index(row, col)).clear();
995 // We've deleted the whole cell. Only pos 0 is valid.
998 // need a valid cursor. (Lgb)
999 cur.clearSelection();
1001 lyxerr << "can't erase this selection 1" << endl;
1003 //lyxerr << "cap::eraseSelection end: " << cur << endl;
1007 void selDel(Cursor & cur)
1009 //lyxerr << "cap::selDel" << endl;
1010 if (cur.selection())
1011 eraseSelection(cur);
1015 void selClearOrDel(Cursor & cur)
1017 //lyxerr << "cap::selClearOrDel" << endl;
1018 if (lyxrc.auto_region_delete)
1021 cur.setSelection(false);
1025 docstring grabSelection(Cursor const & cur)
1027 if (!cur.selection())
1031 // grab selection by glueing multiple cells together. This is not what
1032 // we want because selections spanning multiple cells will get "&" and "\\"
1035 for (DocIterator dit = cur.selectionBegin();
1036 dit != cur.selectionEnd(); dit.forwardPos())
1037 os << asString(dit.cell());
1041 CursorSlice i1 = cur.selBegin();
1042 CursorSlice i2 = cur.selEnd();
1044 if (i1.idx() == i2.idx()) {
1045 if (i1.inset().asInsetMath()) {
1046 MathData::const_iterator it = i1.cell().begin();
1047 return asString(MathData(it + i1.pos(), it + i2.pos()));
1049 return from_ascii("unknown selection 1");
1053 Inset::row_type r1, r2;
1054 Inset::col_type c1, c2;
1055 region(i1, i2, r1, r2, c1, c2);
1058 if (i1.inset().asInsetMath()) {
1059 for (Inset::row_type row = r1; row <= r2; ++row) {
1062 for (Inset::col_type col = c1; col <= c2; ++col) {
1065 data += asString(i1.asInsetMath()->
1066 cell(i1.asInsetMath()->index(row, col)));
1070 data = from_ascii("unknown selection 2");
1076 void dirtyTabularStack(bool b)
1078 dirty_tabular_stack_ = b;
1082 bool tabularStackDirty()
1084 return dirty_tabular_stack_;