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 "ParagraphParameters.h"
37 #include "ParIterator.h"
40 #include "insets/InsetBranch.h"
41 #include "insets/InsetCommand.h"
42 #include "insets/InsetFlex.h"
43 #include "insets/InsetGraphics.h"
44 #include "insets/InsetGraphicsParams.h"
45 #include "insets/InsetInclude.h"
46 #include "insets/InsetTabular.h"
48 #include "mathed/MathData.h"
49 #include "mathed/InsetMath.h"
50 #include "mathed/MathSupport.h"
52 #include "support/debug.h"
53 #include "support/docstream.h"
54 #include "support/gettext.h"
55 #include "support/limited_stack.h"
56 #include "support/lstrings.h"
58 #include "frontends/alert.h"
59 #include "frontends/Clipboard.h"
60 #include "frontends/Selection.h"
62 #include <boost/tuple/tuple.hpp>
63 #include <boost/next_prior.hpp>
68 using namespace lyx::support
;
69 using lyx::frontend::Clipboard
;
75 typedef pair
<pit_type
, int> PitPosPair
;
77 typedef limited_stack
<pair
<ParagraphList
, DocumentClass
const *> > CutStack
;
80 // persistent selection, cleared until the next selection
81 CutStack
selectionBuffer(1);
83 // store whether the tabular stack is newer than the normal copy stack
84 // FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
85 // when we (hopefully) have a one-for-all paste mechanism.
86 bool dirty_tabular_stack_
= false;
89 bool checkPastePossible(int index
)
91 return size_t(index
) < theCuts
.size() && !theCuts
[index
].first
.empty();
95 pair
<PitPosPair
, pit_type
>
96 pasteSelectionHelper(Cursor
& cur
, ParagraphList
const & parlist
,
97 DocumentClass
const * const oldDocClass
, ErrorList
& errorlist
)
99 Buffer
const & buffer
= *cur
.buffer();
100 pit_type pit
= cur
.pit();
101 pos_type pos
= cur
.pos();
102 InsetText
* target_inset
= cur
.inset().asInsetText();
104 InsetTabular
* it
= cur
.inset().asInsetTabular();
105 target_inset
= it
? it
->cell(cur
.idx())->asInsetText() : 0;
107 LASSERT(target_inset
, return make_pair(PitPosPair(pit
, pos
), pit
));
108 ParagraphList
& pars
= target_inset
->paragraphs();
111 return make_pair(PitPosPair(pit
, pos
), pit
);
113 BOOST_ASSERT (pos
<= pars
[pit
].size());
115 // Make a copy of the CaP paragraphs.
116 ParagraphList insertion
= parlist
;
117 DocumentClass
const * const newDocClass
=
118 buffer
.params().documentClassPtr();
120 // Now remove all out of the pars which is NOT allowed in the
121 // new environment and set also another font if that is required.
123 // Convert newline to paragraph break in ERT inset.
124 // This should not be here!
125 InsetCode
const code
= target_inset
->lyxCode();
126 if (code
== ERT_CODE
|| code
== LISTINGS_CODE
) {
127 for (size_t i
= 0; i
!= insertion
.size(); ++i
) {
128 for (pos_type j
= 0; j
!= insertion
[i
].size(); ++j
) {
129 if (insertion
[i
].isNewline(j
)) {
130 // do not track deletion of newline
131 insertion
[i
].eraseChar(j
, false);
132 insertion
[i
].setInsetOwner(target_inset
);
133 breakParagraphConservative(
142 // set the paragraphs to plain layout if necessary
143 if (cur
.inset().usePlainLayout()) {
144 bool forcePlainLayout
= cur
.inset().forcePlainLayout();
145 Layout
const & plainLayout
= newDocClass
->plainLayout();
146 Layout
const & defaultLayout
= newDocClass
->defaultLayout();
147 ParagraphList::iterator
const end
= insertion
.end();
148 ParagraphList::iterator par
= insertion
.begin();
149 for (; par
!= end
; ++par
) {
150 Layout
const & parLayout
= par
->layout();
151 if (forcePlainLayout
|| parLayout
== defaultLayout
)
152 par
->setLayout(plainLayout
);
154 } else { // check if we need to reset from plain layout
155 Layout
const & defaultLayout
= newDocClass
->defaultLayout();
156 Layout
const & plainLayout
= newDocClass
->plainLayout();
157 ParagraphList::iterator
const end
= insertion
.end();
158 ParagraphList::iterator par
= insertion
.begin();
159 for (; par
!= end
; ++par
) {
160 Layout
const & parLayout
= par
->layout();
161 if (parLayout
== plainLayout
)
162 par
->setLayout(defaultLayout
);
166 InsetText
in(buffer
);
167 // Make sure there is no class difference.
168 in
.paragraphs().clear();
169 // This works without copying any paragraph data because we have
170 // a specialized swap method for ParagraphList. This is important
171 // since we store pointers to insets at some places and we don't
172 // want to invalidate them.
173 insertion
.swap(in
.paragraphs());
174 cap::switchBetweenClasses(oldDocClass
, newDocClass
, in
, errorlist
);
175 insertion
.swap(in
.paragraphs());
177 ParagraphList::iterator tmpbuf
= insertion
.begin();
178 int depth_delta
= pars
[pit
].params().depth() - tmpbuf
->params().depth();
180 depth_type max_depth
= pars
[pit
].getMaxDepthAfter();
182 for (; tmpbuf
!= insertion
.end(); ++tmpbuf
) {
183 // If we have a negative jump so that the depth would
184 // go below 0 depth then we have to redo the delta to
185 // this new max depth level so that subsequent
186 // paragraphs are aligned correctly to this paragraph
188 if (int(tmpbuf
->params().depth()) + depth_delta
< 0)
191 // Set the right depth so that we are not too deep or shallow.
192 tmpbuf
->params().depth(tmpbuf
->params().depth() + depth_delta
);
193 if (tmpbuf
->params().depth() > max_depth
)
194 tmpbuf
->params().depth(max_depth
);
196 // Only set this from the 2nd on as the 2nd depends
197 // for maxDepth still on pit.
198 if (tmpbuf
!= insertion
.begin())
199 max_depth
= tmpbuf
->getMaxDepthAfter();
201 // Set the inset owner of this paragraph.
202 tmpbuf
->setInsetOwner(target_inset
);
203 for (pos_type i
= 0; i
< tmpbuf
->size(); ++i
) {
204 // do not track deletion of invalid insets
205 if (Inset
* inset
= tmpbuf
->getInset(i
))
206 if (!target_inset
->insetAllowed(inset
->lyxCode()))
207 tmpbuf
->eraseChar(i
--, false);
210 tmpbuf
->setChange(Change(buffer
.params().trackChanges
?
211 Change::INSERTED
: Change::UNCHANGED
));
214 bool const empty
= pars
[pit
].empty();
216 // Make the buf exactly the same layout as the cursor
218 insertion
.begin()->makeSameLayout(pars
[pit
]);
221 // Prepare the paragraphs and insets for insertion.
222 insertion
.swap(in
.paragraphs());
224 InsetIterator
const i_end
= inset_iterator_end(in
);
225 for (InsetIterator it
= inset_iterator_begin(in
); it
!= i_end
; ++it
) {
226 // Even though this will also be done later, it has to be done here
227 // since, e.g., InsetLabel::updateCommand() is going to try to access
228 // the buffer() member.
229 it
->setBuffer(const_cast<Buffer
&>(buffer
));
230 switch (it
->lyxCode()) {
233 // check for duplicates
234 InsetCommand
& lab
= static_cast<InsetCommand
&>(*it
);
235 docstring
const oldname
= lab
.getParam("name");
236 lab
.updateCommand(oldname
, false);
237 docstring
const newname
= lab
.getParam("name");
238 if (oldname
!= newname
) {
239 // adapt the references
240 for (InsetIterator itt
= inset_iterator_begin(in
); itt
!= i_end
; ++itt
) {
241 if (itt
->lyxCode() == REF_CODE
) {
242 InsetCommand
& ref
= dynamic_cast<InsetCommand
&>(*itt
);
243 if (ref
.getParam("reference") == oldname
)
244 ref
.setParam("reference", newname
);
252 InsetInclude
& inc
= static_cast<InsetInclude
&>(*it
);
258 // check for duplicates
259 InsetCommand
& bib
= static_cast<InsetCommand
&>(*it
);
260 docstring
const oldkey
= bib
.getParam("key");
261 bib
.updateCommand(oldkey
, false);
262 docstring
const newkey
= bib
.getParam("key");
263 if (oldkey
!= newkey
) {
264 // adapt the references
265 for (InsetIterator itt
= inset_iterator_begin(in
); itt
!= i_end
; ++itt
) {
266 if (itt
->lyxCode() == CITE_CODE
) {
267 InsetCommand
& ref
= dynamic_cast<InsetCommand
&>(*itt
);
268 if (ref
.getParam("key") == oldkey
)
269 ref
.setParam("key", newkey
);
277 // check if branch is known to target buffer
279 InsetBranch
& br
= static_cast<InsetBranch
&>(*it
);
280 docstring
const name
= br
.branch();
283 bool const is_child
= (&buffer
!= buffer
.masterBuffer());
284 BranchList branchlist
= buffer
.params().branchlist();
285 if ((!is_child
&& branchlist
.find(name
))
286 || (is_child
&& (branchlist
.find(name
)
287 || buffer
.masterBuffer()->params().branchlist().find(name
))))
289 // FIXME: add an option to add the branch to the master's BranchList.
290 docstring text
= bformat(
291 _("The pasted branch \"%1$s\" is undefined.\n"
292 "Do you want to add it to the document's branch list?"),
294 if (frontend::Alert::prompt(_("Unknown branch"),
295 text
, 0, 1, _("&Add"), _("&Don't Add")) != 0)
297 lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD
, name
));
305 insertion
.swap(in
.paragraphs());
307 // Split the paragraph for inserting the buf if necessary.
309 breakParagraphConservative(buffer
.params(), pars
, pit
, pos
);
313 pars
.insert(boost::next(pars
.begin(), pit
),
317 // merge the empty par with the last par of the insertion
318 mergeParagraph(buffer
.params(), pars
,
319 pit
+ insertion
.size() - 1);
321 pars
.insert(boost::next(pars
.begin(), pit
+ 1),
325 // merge the first par of the insertion with the current par
326 mergeParagraph(buffer
.params(), pars
, pit
);
329 // Store the new cursor position.
330 pit_type last_paste
= pit
+ insertion
.size() - 1;
331 pit_type startpit
= pit
;
333 pos
= pars
[last_paste
].size();
335 // FIXME Should we do it here, or should we let updateLabels() do it?
336 // Set paragraph buffers. It's important to do this right away
337 // before something calls Inset::buffer() and causes a crash.
338 for (pit_type p
= startpit
; p
<= pit
; ++p
)
339 pars
[p
].setBuffer(const_cast<Buffer
&>(buffer
));
341 // Join (conditionally) last pasted paragraph with next one, i.e.,
342 // the tail of the spliced document paragraph
343 if (!empty
&& last_paste
+ 1 != pit_type(pars
.size())) {
344 if (pars
[last_paste
+ 1].hasSameLayout(pars
[last_paste
])) {
345 mergeParagraph(buffer
.params(), pars
, last_paste
);
346 } else if (pars
[last_paste
+ 1].empty()) {
347 pars
[last_paste
+ 1].makeSameLayout(pars
[last_paste
]);
348 mergeParagraph(buffer
.params(), pars
, last_paste
);
349 } else if (pars
[last_paste
].empty()) {
350 pars
[last_paste
].makeSameLayout(pars
[last_paste
+ 1]);
351 mergeParagraph(buffer
.params(), pars
, last_paste
);
353 pars
[last_paste
+ 1].stripLeadingSpaces(buffer
.params().trackChanges
);
358 return make_pair(PitPosPair(pit
, pos
), last_paste
+ 1);
362 PitPosPair
eraseSelectionHelper(BufferParams
const & params
,
363 ParagraphList
& pars
,
364 pit_type startpit
, pit_type endpit
,
365 int startpos
, int endpos
)
367 // Start of selection is really invalid.
368 if (startpit
== pit_type(pars
.size()) ||
369 (startpos
> pars
[startpit
].size()))
370 return PitPosPair(endpit
, endpos
);
372 // Start and end is inside same paragraph
373 if (endpit
== pit_type(pars
.size()) || startpit
== endpit
) {
374 endpos
-= pars
[startpit
].eraseChars(startpos
, endpos
, params
.trackChanges
);
375 return PitPosPair(endpit
, endpos
);
378 for (pit_type pit
= startpit
; pit
!= endpit
+ 1;) {
379 pos_type
const left
= (pit
== startpit
? startpos
: 0);
380 pos_type right
= (pit
== endpit
? endpos
: pars
[pit
].size() + 1);
381 bool const merge
= pars
[pit
].isMergedOnEndOfParDeletion(params
.trackChanges
);
383 // Logically erase only, including the end-of-paragraph character
384 pars
[pit
].eraseChars(left
, right
, params
.trackChanges
);
386 // Separate handling of paragraph break:
387 if (merge
&& pit
!= endpit
&&
389 || pars
[pit
].hasSameLayout(pars
[endpit
])
390 || pars
[endpit
].size() == endpos
)) {
391 if (pit
+ 1 == endpit
)
392 endpos
+= pars
[pit
].size();
393 mergeParagraph(params
, pars
, pit
);
399 // Ensure legal cursor pos:
402 return PitPosPair(endpit
, endpos
);
406 void putClipboard(ParagraphList
const & paragraphs
,
407 DocumentClass
const * const docclass
, docstring
const & plaintext
)
409 // For some strange reason gcc 3.2 and 3.3 do not accept
410 // Buffer buffer(string(), false);
411 // This needs to be static to avoid a memory leak. When a Buffer is
412 // constructed, it constructs a BufferParams, which in turn constructs
413 // a DocumentClass, via new, that is never deleted. If we were to go to
414 // some kind of garbage collection there, or a shared_ptr, then this
415 // would not be needed.
416 static Buffer
* buffer
= theBufferList().newBuffer(
417 FileName::tempName().absFilename() + "_clipboard.internal");
418 buffer
->setUnnamed(true);
419 buffer
->paragraphs() = paragraphs
;
420 buffer
->inset().setBuffer(*buffer
);
421 buffer
->params().setDocumentClass(docclass
);
423 if (buffer
->write(lyx
))
424 theClipboard().put(lyx
.str(), plaintext
);
426 theClipboard().put(string(), plaintext
);
428 buffer
->paragraphs().clear();
432 /// return true if the whole ParagraphList is deleted
433 static bool isFullyDeleted(ParagraphList
const & pars
)
435 pit_type
const pars_size
= static_cast<pit_type
>(pars
.size());
437 // check all paragraphs
438 for (pit_type pit
= 0; pit
< pars_size
; ++pit
) {
439 if (!pars
[pit
].empty()) // prevent assertion failure
440 if (!pars
[pit
].isDeleted(0, pars
[pit
].size()))
447 void copySelectionHelper(Buffer
const & buf
, Text
const & text
,
448 pit_type startpit
, pit_type endpit
,
449 int start
, int end
, DocumentClass
const * const dc
, CutStack
& cutstack
)
451 ParagraphList
const & pars
= text
.paragraphs();
453 LASSERT(0 <= start
&& start
<= pars
[startpit
].size(), /**/);
454 LASSERT(0 <= end
&& end
<= pars
[endpit
].size(), /**/);
455 LASSERT(startpit
!= endpit
|| start
<= end
, /**/);
457 // Clone the paragraphs within the selection.
458 ParagraphList
copy_pars(boost::next(pars
.begin(), startpit
),
459 boost::next(pars
.begin(), endpit
+ 1));
461 // Remove the end of the last paragraph; afterwards, remove the
462 // beginning of the first paragraph. Keep this order - there may only
463 // be one paragraph! Do not track deletions here; this is an internal
464 // action not visible to the user
466 Paragraph
& back
= copy_pars
.back();
467 back
.eraseChars(end
, back
.size(), false);
468 Paragraph
& front
= copy_pars
.front();
469 front
.eraseChars(0, start
, false);
471 ParagraphList::iterator it
= copy_pars
.begin();
472 ParagraphList::iterator it_end
= copy_pars
.end();
474 for (; it
!= it_end
; it
++) {
475 // Since we have a copy of the paragraphs, the insets
476 // do not have a proper buffer reference. It makes
477 // sense to add them temporarily, because the
478 // operations below depend on that (acceptChanges included).
479 it
->setBuffer(const_cast<Buffer
&>(buf
));
480 // PassThru paragraphs have the Language
481 // latex_language. This is invalid for others, so we
482 // need to change it to the buffer language.
483 if (text
.inset().getLayout().isPassThru())
484 it
->changeLanguage(buf
.params(),
485 latex_language
, buf
.language());
488 // do not copy text (also nested in insets) which is marked as
489 // deleted, unless the whole selection was deleted
490 if (!isFullyDeleted(copy_pars
))
491 acceptChanges(copy_pars
, buf
.params());
494 // do some final cleanup now, to make sure that the paragraphs
495 // are not linked to something else.
496 it
= copy_pars
.begin();
497 for (; it
!= it_end
; it
++) {
498 it
->setBuffer(*static_cast<Buffer
*>(0));
499 it
->setInsetOwner(0);
502 DocumentClass
* d
= const_cast<DocumentClass
*>(dc
);
503 cutstack
.push(make_pair(copy_pars
, d
));
513 void region(CursorSlice
const & i1
, CursorSlice
const & i2
,
514 Inset::row_type
& r1
, Inset::row_type
& r2
,
515 Inset::col_type
& c1
, Inset::col_type
& c2
)
517 Inset
& p
= i1
.inset();
518 c1
= p
.col(i1
.idx());
519 c2
= p
.col(i2
.idx());
522 r1
= p
.row(i1
.idx());
523 r2
= p
.row(i2
.idx());
529 docstring
grabAndEraseSelection(Cursor
& cur
)
531 if (!cur
.selection())
533 docstring res
= grabSelection(cur
);
539 bool reduceSelectionToOneCell(Cursor
& cur
)
541 if (!cur
.selection() || !cur
.inMathed())
544 CursorSlice i1
= cur
.selBegin();
545 CursorSlice i2
= cur
.selEnd();
546 if (!i1
.inset().asInsetMath())
549 // the easy case: do nothing if only one cell is selected
550 if (i1
.idx() == i2
.idx())
555 cur
.top().pos() = cur
.top().lastpos();
561 bool multipleCellsSelected(Cursor
const & cur
)
563 if (!cur
.selection() || !cur
.inMathed())
566 CursorSlice i1
= cur
.selBegin();
567 CursorSlice i2
= cur
.selEnd();
568 if (!i1
.inset().asInsetMath())
571 if (i1
.idx() == i2
.idx())
578 void switchBetweenClasses(DocumentClass
const * const oldone
,
579 DocumentClass
const * const newone
, InsetText
& in
, ErrorList
& errorlist
)
583 LASSERT(!in
.paragraphs().empty(), /**/);
584 if (oldone
== newone
)
587 DocumentClass
const & oldtc
= *oldone
;
588 DocumentClass
const & newtc
= *newone
;
591 ParIterator end
= par_iterator_end(in
);
592 for (ParIterator it
= par_iterator_begin(in
); it
!= end
; ++it
) {
593 docstring
const name
= it
->layout().name();
595 // the pasted text will keep their own layout name. If this layout does
596 // not exist in the new document, it will behave like a standard layout.
597 newtc
.addLayoutIfNeeded(name
);
599 if (in
.usePlainLayout())
600 it
->setLayout(newtc
.plainLayout());
602 it
->setLayout(newtc
[name
]);
606 InsetIterator
const i_end
= inset_iterator_end(in
);
607 for (InsetIterator it
= inset_iterator_begin(in
); it
!= i_end
; ++it
) {
608 if (it
->lyxCode() != FLEX_CODE
)
609 // FIXME: Should we verify all InsetCollapsable?
611 docstring
const & n
= newone
->insetLayout(it
->name()).name();
612 bool const is_undefined
= n
.empty() ||
613 n
== DocumentClass::plainInsetLayout().name();
616 // The flex inset is undefined in newtc
617 docstring
const s
= bformat(_(
618 "Flex inset %1$s is "
619 "undefined because of class "
620 "conversion from\n%2$s to %3$s"),
621 it
->name(), from_utf8(oldtc
.name()),
622 from_utf8(newtc
.name()));
623 // To warn the user that something had to be done.
624 errorlist
.push_back(ErrorItem(
625 _("Undefined flex inset"),
626 s
, it
.paragraph().id(), it
.pos(), it
.pos() + 1));
631 vector
<docstring
> availableSelections(Buffer
const * buf
)
633 vector
<docstring
> selList
;
637 CutStack::const_iterator cit
= theCuts
.begin();
638 CutStack::const_iterator end
= theCuts
.end();
639 for (; cit
!= end
; ++cit
) {
640 // we do not use cit-> here because gcc 2.9x does not
642 ParagraphList
const & pars
= (*cit
).first
;
644 ParagraphList::const_iterator pit
= pars
.begin();
645 ParagraphList::const_iterator pend
= pars
.end();
646 for (; pit
!= pend
; ++pit
) {
647 Paragraph
par(*pit
, 0, 26);
648 // adapt paragraph to current buffer.
649 par
.setBuffer(const_cast<Buffer
&>(*buf
));
650 asciiSel
+= par
.asString(AS_STR_INSETS
);
651 if (asciiSel
.size() > 25) {
652 asciiSel
.replace(22, docstring::npos
,
658 selList
.push_back(asciiSel
);
665 size_type
numberOfSelections()
667 return theCuts
.size();
671 void cutSelection(Cursor
& cur
, bool doclear
, bool realcut
)
673 // This doesn't make sense, if there is no selection
674 if (!cur
.selection())
677 // OK, we have a selection. This is always between cur.selBegin()
680 if (cur
.inTexted()) {
681 Text
* text
= cur
.text();
686 // make sure that the depth behind the selection are restored, too
687 cur
.recordUndoSelection();
688 pit_type begpit
= cur
.selBegin().pit();
689 pit_type endpit
= cur
.selEnd().pit();
691 int endpos
= cur
.selEnd().pos();
693 BufferParams
const & bp
= cur
.buffer()->params();
695 copySelectionHelper(*cur
.buffer(),
698 cur
.selBegin().pos(), endpos
,
699 bp
.documentClassPtr(), theCuts
);
700 // Stuff what we got on the clipboard.
701 // Even if there is no selection.
702 putClipboard(theCuts
[0].first
, theCuts
[0].second
,
703 cur
.selectionAsString(true));
706 if (begpit
!= endpit
)
707 cur
.updateFlags(Update::Force
| Update::FitCursor
);
709 boost::tie(endpit
, endpos
) =
710 eraseSelectionHelper(bp
,
713 cur
.selBegin().pos(), endpos
);
715 // cutSelection can invalidate the cursor so we need to set
717 // we prefer the end for when tracking changes
721 // sometimes necessary
723 && text
->paragraphs()[begpit
].stripLeadingSpaces(bp
.trackChanges
))
726 // need a valid cursor. (Lgb)
727 cur
.clearSelection();
728 cur
.buffer()->updateLabels();
730 // tell tabular that a recent copy happened
731 dirtyTabularStack(false);
734 if (cur
.inMathed()) {
735 if (cur
.selBegin().idx() != cur
.selEnd().idx()) {
736 // The current selection spans more than one cell.
738 cur
.recordUndoInset();
740 // Record only the current cell to avoid a jumping
751 void copySelection(Cursor
const & cur
)
753 copySelection(cur
, cur
.selectionAsString(true));
757 void copyInset(Cursor
const & cur
, Inset
* inset
, docstring
const & plaintext
)
761 BufferParams
const & bp
= cur
.buffer()->params();
762 par
.setLayout(bp
.documentClass().plainLayout());
763 par
.insertInset(0, inset
, Change(Change::UNCHANGED
));
765 theCuts
.push(make_pair(pars
, bp
.documentClassPtr()));
767 // stuff the selection onto the X clipboard, from an explicit copy request
768 putClipboard(theCuts
[0].first
, theCuts
[0].second
, plaintext
);
773 void copySelectionToStack(Cursor
const & cur
, CutStack
& cutstack
)
775 // this doesn't make sense, if there is no selection
776 if (!cur
.selection())
779 // copySelection can not yet handle the case of cross idx selection
780 if (cur
.selBegin().idx() != cur
.selEnd().idx())
783 if (cur
.inTexted()) {
784 Text
* text
= cur
.text();
786 // ok we have a selection. This is always between cur.selBegin()
787 // and sel_end cursor
789 // copy behind a space if there is one
790 ParagraphList
& pars
= text
->paragraphs();
791 pos_type pos
= cur
.selBegin().pos();
792 pit_type par
= cur
.selBegin().pit();
793 while (pos
< pars
[par
].size() &&
794 pars
[par
].isLineSeparator(pos
) &&
795 (par
!= cur
.selEnd().pit() || pos
< cur
.selEnd().pos()))
798 copySelectionHelper(*cur
.buffer(), *text
, par
, cur
.selEnd().pit(),
799 pos
, cur
.selEnd().pos(),
800 cur
.buffer()->params().documentClassPtr(), cutstack
);
802 // Reset the dirty_tabular_stack_ flag only when something
803 // is copied to the clipboard (not to the selectionBuffer).
804 if (&cutstack
== &theCuts
)
805 dirtyTabularStack(false);
808 if (cur
.inMathed()) {
809 //lyxerr << "copySelection in mathed" << endl;
812 BufferParams
const & bp
= cur
.buffer()->params();
813 // FIXME This should be the plain layout...right?
814 par
.setLayout(bp
.documentClass().plainLayout());
815 par
.insert(0, grabSelection(cur
), Font(), Change(Change::UNCHANGED
));
817 cutstack
.push(make_pair(pars
, bp
.documentClassPtr()));
824 void copySelectionToStack()
826 if (!selectionBuffer
.empty())
827 theCuts
.push(selectionBuffer
[0]);
831 void copySelection(Cursor
const & cur
, docstring
const & plaintext
)
833 // In tablemode, because copy and paste actually use special table stack
834 // we do not attempt to get selected paragraphs under cursor. Instead, a
835 // paragraph with the plain text version is generated so that table cells
836 // can be pasted as pure text somewhere else.
837 if (cur
.selBegin().idx() != cur
.selEnd().idx()) {
840 BufferParams
const & bp
= cur
.buffer()->params();
841 par
.setLayout(bp
.documentClass().plainLayout());
842 par
.insert(0, plaintext
, Font(), Change(Change::UNCHANGED
));
844 theCuts
.push(make_pair(pars
, bp
.documentClassPtr()));
846 copySelectionToStack(cur
, theCuts
);
849 // stuff the selection onto the X clipboard, from an explicit copy request
850 putClipboard(theCuts
[0].first
, theCuts
[0].second
, plaintext
);
854 void saveSelection(Cursor
const & cur
)
856 // This function is called, not when a selection is formed, but when
857 // a selection is cleared. Therefore, multiple keyboard selection
858 // will not repeatively trigger this function (bug 3877).
860 && cur
.selBegin() == cur
.bv().cursor().selBegin()
861 && cur
.selEnd() == cur
.bv().cursor().selEnd()) {
862 LYXERR(Debug::SELECTION
, "saveSelection: '" << cur
.selectionAsString(true) << "'");
863 copySelectionToStack(cur
, selectionBuffer
);
870 return !selectionBuffer
.empty();
874 void clearSelection()
876 selectionBuffer
.clear();
886 docstring
selection(size_t sel_index
)
888 return sel_index
< theCuts
.size()
889 ? theCuts
[sel_index
].first
.back().asString(AS_STR_INSETS
| AS_STR_NEWLINES
)
894 void pasteParagraphList(Cursor
& cur
, ParagraphList
const & parlist
,
895 DocumentClass
const * const docclass
, ErrorList
& errorList
)
897 if (cur
.inTexted()) {
898 Text
* text
= cur
.text();
904 boost::tie(ppp
, endpit
) =
905 pasteSelectionHelper(cur
, parlist
, docclass
, errorList
);
906 cur
.buffer()->updateLabels();
907 cur
.clearSelection();
908 text
->setCursor(cur
, ppp
.first
, ppp
.second
);
911 // mathed is handled in InsetMathNest/InsetMathGrid
912 LASSERT(!cur
.inMathed(), /**/);
916 void pasteFromStack(Cursor
& cur
, ErrorList
& errorList
, size_t sel_index
)
918 // this does not make sense, if there is nothing to paste
919 if (!checkPastePossible(sel_index
))
923 pasteParagraphList(cur
, theCuts
[sel_index
].first
,
924 theCuts
[sel_index
].second
, errorList
);
929 void pasteClipboardText(Cursor
& cur
, ErrorList
& errorList
, bool asParagraphs
)
931 // Use internal clipboard if it is the most recent one
932 if (theClipboard().isInternal()) {
933 pasteFromStack(cur
, errorList
, 0);
937 // First try LyX format
938 if (theClipboard().hasLyXContents()) {
939 string lyx
= theClipboard().getAsLyX();
941 // For some strange reason gcc 3.2 and 3.3 do not accept
942 // Buffer buffer(string(), false);
943 Buffer
buffer("", false);
944 buffer
.setUnnamed(true);
945 if (buffer
.readString(lyx
)) {
947 pasteParagraphList(cur
, buffer
.paragraphs(),
948 buffer
.params().documentClassPtr(), errorList
);
955 // Then try plain text
956 docstring
const text
= theClipboard().getAsText();
961 cur
.text()->insertStringAsParagraphs(cur
, text
, cur
.current_font
);
963 cur
.text()->insertStringAsLines(cur
, text
, cur
.current_font
);
967 void pasteClipboardGraphics(Cursor
& cur
, ErrorList
& /* errorList */,
968 Clipboard::GraphicsType preferedType
)
970 LASSERT(theClipboard().hasGraphicsContents(preferedType
), /**/);
972 // get picture from clipboard
973 FileName filename
= theClipboard().getAsGraphics(cur
, preferedType
);
974 if (filename
.empty())
977 // create inset for graphic
978 InsetGraphics
* inset
= new InsetGraphics(*cur
.buffer());
979 InsetGraphicsParams params
;
980 params
.filename
= support::DocFileName(filename
.absFilename());
981 inset
->setParams(params
);
987 void pasteSelection(Cursor
& cur
, ErrorList
& errorList
)
989 if (selectionBuffer
.empty())
992 pasteParagraphList(cur
, selectionBuffer
[0].first
,
993 selectionBuffer
[0].second
, errorList
);
997 void replaceSelectionWithString(Cursor
& cur
, docstring
const & str
, bool backwards
)
1000 DocIterator selbeg
= cur
.selectionBegin();
1002 // Get font setting before we cut, we need a copy here, not a bare reference.
1004 selbeg
.paragraph().getFontSettings(cur
.buffer()->params(), selbeg
.pos());
1006 // Insert the new string
1007 pos_type pos
= cur
.selEnd().pos();
1008 Paragraph
& par
= cur
.selEnd().paragraph();
1009 docstring::const_iterator cit
= str
.begin();
1010 docstring::const_iterator end
= str
.end();
1011 for (; cit
!= end
; ++cit
, ++pos
)
1012 par
.insertChar(pos
, *cit
, font
, cur
.buffer()->params().trackChanges
);
1014 // Cut the selection
1015 cutSelection(cur
, true, false);
1017 // select the replacement
1019 selbeg
.pos() += str
.length();
1020 cur
.setSelection(selbeg
, -int(str
.length()));
1022 cur
.setSelection(selbeg
, str
.length());
1026 void replaceSelection(Cursor
& cur
)
1028 if (cur
.selection())
1029 cutSelection(cur
, true, false);
1033 void eraseSelection(Cursor
& cur
)
1035 //lyxerr << "cap::eraseSelection begin: " << cur << endl;
1036 CursorSlice
const & i1
= cur
.selBegin();
1037 CursorSlice
const & i2
= cur
.selEnd();
1038 if (i1
.inset().asInsetMath()) {
1041 if (i1
.idx() == i2
.idx()) {
1042 i1
.cell().erase(i1
.pos(), i2
.pos());
1043 // We may have deleted i1.cell(cur.pos()).
1044 // Make sure that pos is valid.
1045 if (cur
.pos() > cur
.lastpos())
1046 cur
.pos() = cur
.lastpos();
1048 InsetMath
* p
= i1
.asInsetMath();
1049 Inset::row_type r1
, r2
;
1050 Inset::col_type c1
, c2
;
1051 region(i1
, i2
, r1
, r2
, c1
, c2
);
1052 for (Inset::row_type row
= r1
; row
<= r2
; ++row
)
1053 for (Inset::col_type col
= c1
; col
<= c2
; ++col
)
1054 p
->cell(p
->index(row
, col
)).clear();
1055 // We've deleted the whole cell. Only pos 0 is valid.
1058 // need a valid cursor. (Lgb)
1059 cur
.clearSelection();
1061 lyxerr
<< "can't erase this selection 1" << endl
;
1063 //lyxerr << "cap::eraseSelection end: " << cur << endl;
1067 void selDel(Cursor
& cur
)
1069 //lyxerr << "cap::selDel" << endl;
1070 if (cur
.selection())
1071 eraseSelection(cur
);
1075 void selClearOrDel(Cursor
& cur
)
1077 //lyxerr << "cap::selClearOrDel" << endl;
1078 if (lyxrc
.auto_region_delete
)
1081 cur
.setSelection(false);
1085 docstring
grabSelection(Cursor
const & cur
)
1087 if (!cur
.selection())
1091 // grab selection by glueing multiple cells together. This is not what
1092 // we want because selections spanning multiple cells will get "&" and "\\"
1095 for (DocIterator dit
= cur
.selectionBegin();
1096 dit
!= cur
.selectionEnd(); dit
.forwardPos())
1097 os
<< asString(dit
.cell());
1101 CursorSlice i1
= cur
.selBegin();
1102 CursorSlice i2
= cur
.selEnd();
1104 if (i1
.idx() == i2
.idx()) {
1105 if (i1
.inset().asInsetMath()) {
1106 MathData::const_iterator it
= i1
.cell().begin();
1107 return asString(MathData(it
+ i1
.pos(), it
+ i2
.pos()));
1109 return from_ascii("unknown selection 1");
1113 Inset::row_type r1
, r2
;
1114 Inset::col_type c1
, c2
;
1115 region(i1
, i2
, r1
, r2
, c1
, c2
);
1118 if (i1
.inset().asInsetMath()) {
1119 for (Inset::row_type row
= r1
; row
<= r2
; ++row
) {
1122 for (Inset::col_type col
= c1
; col
<= c2
; ++col
) {
1125 data
+= asString(i1
.asInsetMath()->
1126 cell(i1
.asInsetMath()->index(row
, col
)));
1130 data
= from_ascii("unknown selection 2");
1136 void dirtyTabularStack(bool b
)
1138 dirty_tabular_stack_
= b
;
1142 bool tabularStackDirty()
1144 return dirty_tabular_stack_
;