* \author Jürgen Vigna
* \author Lars Gullik Bjønnes
* \author Alfredo Braunstein
+ * \author Michael Gerz
*
* Full author contact details are available in file CREDITS.
*/
#include "buffer.h"
#include "buffer_funcs.h"
#include "bufferparams.h"
-#include "BufferView.h"
#include "cursor.h"
+#include "debug.h"
#include "errorlist.h"
+#include "funcrequest.h"
#include "gettext.h"
+#include "insetiterator.h"
+#include "language.h"
+#include "lfuns.h"
+#include "lyxfunc.h"
+#include "lyxrc.h"
#include "lyxtext.h"
#include "lyxtextclasslist.h"
#include "paragraph.h"
#include "paragraph_funcs.h"
#include "ParagraphParameters.h"
-#include "ParagraphList_fwd.h"
#include "pariterator.h"
#include "undo.h"
+#include "insets/insetcharstyle.h"
#include "insets/insettabular.h"
+#include "mathed/MathData.h"
+#include "mathed/InsetMath.h"
+#include "mathed/MathSupport.h"
+
#include "support/lstrings.h"
-#include <boost/tuple/tuple.hpp>
+#include "frontends/Clipboard.h"
+#include "frontends/Selection.h"
-using lyx::pos_type;
-using lyx::par_type;
-using lyx::textclass_type;
+#include <boost/current_function.hpp>
+#include <boost/tuple/tuple.hpp>
-using lyx::support::bformat;
+#include <string>
+using std::endl;
using std::for_each;
using std::make_pair;
using std::pair;
using std::string;
-namespace {
-
-typedef std::pair<lyx::par_type, int> PitPosPair;
-
-typedef limited_stack<pair<ParagraphList, textclass_type> > CutStack;
-
-CutStack cuts(10);
-
-struct resetOwnerAndChanges : public std::unary_function<Paragraph, void> {
- void operator()(Paragraph & p) const {
- p.cleanChanges();
- p.setInsetOwner(0);
- }
-};
-
-} // namespace anon
-
-
namespace lyx {
-namespace cap {
-
-
-int SwitchLayoutsBetweenClasses(textclass_type c1, textclass_type c2,
- ParagraphList & pars, ErrorList & errorlist)
-{
- BOOST_ASSERT(!pars.empty());
- int ret = 0;
- if (c1 == c2)
- return ret;
- LyXTextClass const & tclass1 = textclasslist[c1];
- LyXTextClass const & tclass2 = textclasslist[c2];
-
- InsetText in;
- std::swap(in.paragraphs(), pars);
-
- ParIterator end = ParIterator(in, pars.size());
- for (ParIterator it = ParIterator(in, 0); it != end; ++it) {
- string const name = it->layout()->name();
- bool hasLayout = tclass2.hasLayout(name);
-
- if (hasLayout)
- it->layout(tclass2[name]);
- else
- it->layout(tclass2.defaultLayout());
-
- if (!hasLayout && name != tclass1.defaultLayoutName()) {
- ++ret;
- string const s = bformat(
- _("Layout had to be changed from\n%1$s to %2$s\n"
- "because of class conversion from\n%3$s to %4$s"),
- name, it->layout()->name(), tclass1.name(), tclass2.name());
- // To warn the user that something had to be done.
- errorlist.push_back(ErrorItem("Changed Layout", s,
- it->id(), 0,
- it->size()));
- }
- }
- std::swap(in.paragraphs(), pars);
- return ret;
-}
+using support::bformat;
+using frontend::Clipboard;
+namespace {
-std::vector<string> const availableSelections(Buffer const & buffer)
-{
- vector<string> selList;
+typedef std::pair<pit_type, int> PitPosPair;
- CutStack::const_iterator cit = cuts.begin();
- CutStack::const_iterator end = cuts.end();
- for (; cit != end; ++cit) {
- // we do not use cit-> here because gcc 2.9x does not
- // like it (JMarc)
- ParagraphList const & pars = (*cit).first;
- string asciiSel;
- ParagraphList::const_iterator pit = pars.begin();
- ParagraphList::const_iterator pend = pars.end();
- for (; pit != pend; ++pit) {
- asciiSel += pit->asString(buffer, false);
- if (asciiSel.size() > 25) {
- asciiSel.replace(22, string::npos, "...");
- break;
- }
- }
+typedef limited_stack<pair<ParagraphList, textclass_type> > CutStack;
- selList.push_back(asciiSel);
- }
+CutStack theCuts(10);
+// persistent selection, cleared until the next selection
+CutStack selectionBuffer(1);
- return selList;
-}
+// store whether the tabular stack is newer than the normal copy stack
+// FIXME: this is a workaround for bug 1919. Should be removed for 1.5,
+// when we (hopefully) have a one-for-all paste mechanism.
+bool dirty_tabular_stack_ = false;
-PitPosPair eraseSelection(BufferParams const & params, ParagraphList & pars,
- par_type startpit, par_type endpit,
- int startpos, int endpos, bool doclear)
+void region(CursorSlice const & i1, CursorSlice const & i2,
+ InsetBase::row_type & r1, InsetBase::row_type & r2,
+ InsetBase::col_type & c1, InsetBase::col_type & c2)
{
- if (startpit == par_type(pars.size()) ||
- (startpos > pars[startpit].size()))
- return PitPosPair(endpit, endpos);
-
- if (endpit == par_type(pars.size()) ||
- startpit == endpit) {
- endpos -= pars[startpit].erase(startpos, endpos);
- return PitPosPair(endpit, endpos);
- }
-
- // clear end/begin fragments of the first/last par in selection
- bool all_erased = true;
-
- pars[startpit].erase(startpos, pars[startpit].size());
- if (pars[startpit].size() != startpos)
- all_erased = false;
-
- endpos -= pars[endpit].erase(0, endpos);
- if (endpos != 0)
- all_erased = false;
-
- // Loop through the deleted pars if any, erasing as needed
- for (par_type pit = startpit + 1; pit != endpit;) {
- // "erase" the contents of the par
- pars[pit].erase(0, pars[pit].size());
- if (!pars[pit].size()) {
- // remove the par if it's now empty
- pars.erase(pars.begin() + pit);
- --endpit;
- } else {
- ++pit;
- all_erased = false;
- }
- }
-
-#if 0 // FIXME: why for cut but not copy ?
- // the cut selection should begin with standard layout
- if (realcut) {
- buf->params().clear();
- buf->bibkey = 0;
- buf->layout(textclasslist[buffer->params.textclass].defaultLayoutName());
- }
-#endif
-
- if (startpit + 1 == par_type(pars.size()))
- return PitPosPair(endpit, endpos);
-
- if (doclear) {
- pars[startpit + 1].stripLeadingSpaces();
- }
-
- // paste the paragraphs again, if possible
- if (all_erased &&
- (pars[startpit].hasSameLayout(pars[startpit + 1]) ||
- pars[startpit + 1].empty())) {
- mergeParagraph(params, pars, startpit);
- // this because endpar gets deleted here!
- endpit = startpit;
- endpos = startpos;
- }
-
- return PitPosPair(endpit, endpos);
-
+ InsetBase & p = i1.inset();
+ c1 = p.col(i1.idx());
+ c2 = p.col(i2.idx());
+ if (c1 > c2)
+ std::swap(c1, c2);
+ r1 = p.row(i1.idx());
+ r2 = p.row(i2.idx());
+ if (r1 > r2)
+ std::swap(r1, r2);
}
-bool copySelection(ParagraphList & pars,
- par_type startpit, par_type endpit,
- int start, int end, textclass_type tc)
+bool checkPastePossible(int index)
{
- BOOST_ASSERT(0 <= start && start <= pars[startpit].size());
- BOOST_ASSERT(0 <= end && end <= pars[endpit].size());
- BOOST_ASSERT(startpit != endpit || start <= end);
-
- // Clone the paragraphs within the selection.
- ParagraphList paragraphs(pars.begin() + startpit, pars.begin() + endpit + 1);
- for_each(paragraphs.begin(), paragraphs.end(), resetOwnerAndChanges());
-
- // Cut out the end of the last paragraph.
- Paragraph & back = paragraphs.back();
- back.erase(end, back.size());
-
- // Cut out the begin of the first paragraph
- Paragraph & front = paragraphs.front();
- front.erase(0, start);
-
- cuts.push(make_pair(paragraphs, tc));
-
- return true;
+ return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
}
-PitPosPair cutSelection(BufferParams const & params, ParagraphList & pars,
- par_type startpit, par_type endpit,
- int startpos, int endpos, textclass_type tc, bool doclear)
+pair<PitPosPair, pit_type>
+pasteSelectionHelper(LCursor & cur, ParagraphList const & parlist,
+ textclass_type textclass, ErrorList & errorlist)
{
- copySelection(pars, startpit, endpit, startpos, endpos, tc);
- return eraseSelection(params, pars, startpit, endpit, startpos,
- endpos, doclear);
-}
+ Buffer const & buffer = cur.buffer();
+ pit_type pit = cur.pit();
+ pos_type pos = cur.pos();
+ ParagraphList & pars = cur.text()->paragraphs();
-
-pair<PitPosPair, par_type>
-pasteSelection(Buffer const & buffer, ParagraphList & pars,
- par_type pit, int pos,
- textclass_type tc, size_t cut_index, ErrorList & errorlist)
-{
- if (!checkPastePossible())
+ if (parlist.empty())
return make_pair(PitPosPair(pit, pos), pit);
BOOST_ASSERT (pos <= pars[pit].size());
// Make a copy of the CaP paragraphs.
- ParagraphList insertion = cuts[cut_index].first;
- textclass_type const textclass = cuts[cut_index].second;
+ ParagraphList insertion = parlist;
+ textclass_type const tc = buffer.params().textclass;
// Now remove all out of the pars which is NOT allowed in the
// new environment and set also another font if that is required.
+ // Convert newline to paragraph break in ERT inset.
+ // This should not be here!
+ if (pars[pit].inInset() &&
+ pars[pit].inInset()->lyxCode() == InsetBase::ERT_CODE) {
+ for (ParagraphList::size_type i = 0; i < insertion.size(); ++i) {
+ for (pos_type j = 0; j < insertion[i].size(); ++j) {
+ if (insertion[i].isNewline(j)) {
+ // do not track deletion of newline
+ insertion[i].eraseChar(j, false);
+ breakParagraphConservative(
+ buffer.params(),
+ insertion, i, j);
+ }
+ }
+ }
+ }
+
+ // If we are in an inset which returns forceDefaultParagraphs,
+ // set the paragraphs to default
+ if (cur.inset().forceDefaultParagraphs(cur.idx())) {
+ LyXLayout_ptr const layout =
+ buffer.params().getLyXTextClass().defaultLayout();
+ ParagraphList::iterator const end = insertion.end();
+ for (ParagraphList::iterator par = insertion.begin();
+ par != end; ++par)
+ par->layout(layout);
+ }
+
// Make sure there is no class difference.
- SwitchLayoutsBetweenClasses(textclass, tc, insertion,
- errorlist);
+ InsetText in;
+ // This works without copying any paragraph data because we have
+ // a specialized swap method for ParagraphList. This is important
+ // since we store pointers to insets at some places and we don't
+ // want to invalidate them.
+ insertion.swap(in.paragraphs());
+ cap::switchBetweenClasses(textclass, tc, in, errorlist);
+ insertion.swap(in.paragraphs());
ParagraphList::iterator tmpbuf = insertion.begin();
int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
- Paragraph::depth_type max_depth = pars[pit].getMaxDepthAfter();
+ depth_type max_depth = pars[pit].getMaxDepthAfter();
for (; tmpbuf != insertion.end(); ++tmpbuf) {
// If we have a negative jump so that the depth would
// Set the inset owner of this paragraph.
tmpbuf->setInsetOwner(pars[pit].inInset());
for (pos_type i = 0; i < tmpbuf->size(); ++i) {
- if (tmpbuf->getChar(i) == Paragraph::META_INSET) {
- if (!pars[pit].insetAllowed(tmpbuf->getInset(i)->lyxCode()))
- tmpbuf->erase(i--);
- }
+ if (tmpbuf->getChar(i) == Paragraph::META_INSET &&
+ !pars[pit].insetAllowed(tmpbuf->getInset(i)->lyxCode()))
+ // do not track deletion of invalid insets
+ tmpbuf->eraseChar(i--, false);
}
+
+ tmpbuf->setChange(Change(buffer.params().trackChanges ?
+ Change::INSERTED : Change::UNCHANGED));
}
- // Make the buf exactly the same layout as the cursor paragraph.
- insertion.begin()->makeSameLayout(pars[pit]);
+ bool const empty = pars[pit].empty();
+ if (!empty) {
+ // Make the buf exactly the same layout as the cursor
+ // paragraph.
+ insertion.begin()->makeSameLayout(pars[pit]);
+ }
// Prepare the paragraphs and insets for insertion.
// A couple of insets store buffer references so need updating.
- InsetText in;
- std::swap(in.paragraphs(), insertion);
+ insertion.swap(in.paragraphs());
- ParIterator fpit(in, 0);
- ParIterator fend(in, insertion.size());
+ ParIterator fpit = par_iterator_begin(in);
+ ParIterator fend = par_iterator_end(in);
for (; fpit != fend; ++fpit) {
- InsetList::iterator lit = fpit->insetlist.begin();
- InsetList::iterator eit = fpit->insetlist.end();
+ InsetList::const_iterator lit = fpit->insetlist.begin();
+ InsetList::const_iterator eit = fpit->insetlist.end();
for (; lit != eit; ++lit) {
switch (lit->inset->lyxCode()) {
- case InsetOld::TABULAR_CODE: {
+ case InsetBase::TABULAR_CODE: {
InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
- it->buffer(const_cast<Buffer*>(&buffer));
+ it->buffer(&buffer);
break;
}
}
}
}
- std::swap(in.paragraphs(), insertion);
-
+ insertion.swap(in.paragraphs());
+
// Split the paragraph for inserting the buf if necessary.
- bool did_split = false;
- if (pars[pit].size() || pit + 1 == par_type(pars.size())) {
+ if (!empty)
breakParagraphConservative(buffer.params(), pars, pit, pos);
- did_split = true;
- }
// Paste it!
- pars.insert(pars.begin() + pit + 1, insertion.begin(), insertion.end());
- mergeParagraph(buffer.params(), pars, pit);
+ if (empty) {
+ pars.insert(boost::next(pars.begin(), pit),
+ insertion.begin(),
+ insertion.end());
+
+ // merge the empty par with the last par of the insertion
+ mergeParagraph(buffer.params(), pars,
+ pit + insertion.size() - 1);
+ } else {
+ pars.insert(boost::next(pars.begin(), pit + 1),
+ insertion.begin(),
+ insertion.end());
+
+ // merge the first par of the insertion with the current par
+ mergeParagraph(buffer.params(), pars, pit);
+ }
+
+ pit_type last_paste = pit + insertion.size() - 1;
- par_type last_paste = pit + insertion.size() - 1;
-
// Store the new cursor position.
pit = last_paste;
pos = pars[last_paste].size();
- // Maybe some pasting.
- if (did_split && last_paste + 1 != par_type(pars.size())) {
+ // Join (conditionally) last pasted paragraph with next one, i.e.,
+ // the tail of the spliced document paragraph
+ if (!empty && last_paste + 1 != pit_type(pars.size())) {
if (pars[last_paste + 1].hasSameLayout(pars[last_paste])) {
mergeParagraph(buffer.params(), pars, last_paste);
} else if (pars[last_paste + 1].empty()) {
pars[last_paste].makeSameLayout(pars[last_paste + 1]);
mergeParagraph(buffer.params(), pars, last_paste);
} else {
- pars[last_paste + 1].stripLeadingSpaces();
+ pars[last_paste + 1].stripLeadingSpaces(buffer.params().trackChanges);
++last_paste;
}
}
}
-pair<PitPosPair, par_type>
-pasteSelection(Buffer const & buffer, ParagraphList & pars,
- par_type pit, int pos, textclass_type tc, ErrorList & errorlist)
+PitPosPair eraseSelectionHelper(BufferParams const & params,
+ ParagraphList & pars,
+ pit_type startpit, pit_type endpit,
+ int startpos, int endpos, bool doclear)
+{
+ // Start of selection is really invalid.
+ if (startpit == pit_type(pars.size()) ||
+ (startpos > pars[startpit].size()))
+ return PitPosPair(endpit, endpos);
+
+ // Start and end is inside same paragraph
+ if (endpit == pit_type(pars.size()) || startpit == endpit) {
+ endpos -= pars[startpit].eraseChars(startpos, endpos, params.trackChanges);
+ return PitPosPair(endpit, endpos);
+ }
+
+ for (pit_type pit = startpit; pit != endpit + 1;) {
+ pos_type const left = (pit == startpit ? startpos : 0);
+ pos_type const right = (pit == endpit ? endpos : pars[pit].size() + 1);
+
+ bool const merge = pars[pit].isMergedOnEndOfParDeletion(params.trackChanges);
+
+ // Logically erase only, including the end-of-paragraph character
+ pars[pit].eraseChars(left, right, params.trackChanges);
+
+ // Separate handling of paragraph break:
+ if (merge && pit != endpit &&
+ (pit + 1 != endpit || pars[pit].hasSameLayout(pars[pit + 1]))) {
+ pos_type const thissize = pars[pit].size();
+ if (doclear)
+ pars[pit + 1].stripLeadingSpaces(params.trackChanges);
+ mergeParagraph(params, pars, pit);
+ --endpit;
+ if (pit == endpit)
+ endpos += thissize;
+ } else
+ ++pit;
+ }
+
+ // Ensure legal cursor pos:
+ endpit = startpit;
+ endpos = startpos;
+ return PitPosPair(endpit, endpos);
+}
+
+
+void putClipboard(ParagraphList const & paragraphs, textclass_type textclass,
+ docstring const & plaintext)
{
- return pasteSelection(buffer, pars, pit, pos, tc, 0, errorlist);
+ // For some strange reason gcc 3.2 and 3.3 do not accept
+ // Buffer buffer(string(), false);
+ Buffer buffer("", false);
+ buffer.setUnnamed(true);
+ buffer.paragraphs() = paragraphs;
+ buffer.params().textclass = textclass;
+ std::ostringstream lyx;
+ if (buffer.write(lyx))
+ theClipboard().put(lyx.str(), plaintext);
+ else
+ theClipboard().put(string(), plaintext);
}
-int nrOfParagraphs()
+void copySelectionHelper(Buffer const & buf, ParagraphList & pars,
+ pit_type startpit, pit_type endpit,
+ int start, int end, textclass_type tc, CutStack & cutstack)
{
- return cuts.empty() ? 0 : cuts[0].first.size();
+ BOOST_ASSERT(0 <= start && start <= pars[startpit].size());
+ BOOST_ASSERT(0 <= end && end <= pars[endpit].size());
+ BOOST_ASSERT(startpit != endpit || start <= end);
+
+ // Clone the paragraphs within the selection.
+ ParagraphList copy_pars(boost::next(pars.begin(), startpit),
+ boost::next(pars.begin(), endpit + 1));
+
+ // Remove the end of the last paragraph; afterwards, remove the beginning
+ // of the first paragraph. Keep this order - there may only be one paragraph!
+ // Do not track deletions here; this is an internal action not visible to the user
+ Paragraph & back = copy_pars.back();
+ back.eraseChars(end, back.size(), false);
+ Paragraph & front = copy_pars.front();
+ front.eraseChars(0, start, false);
+
+ ParagraphList::iterator it = copy_pars.begin();
+ ParagraphList::iterator it_end = copy_pars.end();
+
+ for (; it != it_end; it++) {
+ // ERT paragraphs have the Language latex_language.
+ // This is invalid outside of ERT, so we need to change it
+ // to the buffer language.
+ if (it->ownerCode() == InsetBase::ERT_CODE) {
+ it->changeLanguage(buf.params(), latex_language,
+ buf.getLanguage());
+ }
+ it->setInsetOwner(0);
+ }
+
+ // do not copy text (also nested in insets) which is marked as deleted
+ // acceptChanges() is defined for LyXText rather than ParagraphList
+ // Thus we must wrap copy_pars into a LyXText object and cross our fingers
+ LyXText lt;
+ copy_pars.swap(lt.paragraphs());
+ lt.acceptChanges(buf.params());
+ copy_pars.swap(lt.paragraphs());
+
+ cutstack.push(make_pair(copy_pars, tc));
}
+} // namespace anon
-bool checkPastePossible()
+
+
+
+namespace cap {
+
+docstring grabAndEraseSelection(LCursor & cur)
{
- return !cuts.empty() && !cuts[0].first.empty();
+ if (!cur.selection())
+ return docstring();
+ docstring res = grabSelection(cur);
+ eraseSelection(cur);
+ return res;
}
-void cutSelection(LCursor & cur, bool doclear, bool realcut)
+void switchBetweenClasses(textclass_type c1, textclass_type c2,
+ InsetText & in, ErrorList & errorlist)
+{
+ BOOST_ASSERT(!in.paragraphs().empty());
+ if (c1 == c2)
+ return;
+
+ LyXTextClass const & tclass1 = textclasslist[c1];
+ LyXTextClass const & tclass2 = textclasslist[c2];
+
+ // layouts
+ ParIterator end = par_iterator_end(in);
+ for (ParIterator it = par_iterator_begin(in); it != end; ++it) {
+ string const name = it->layout()->name();
+ bool hasLayout = tclass2.hasLayout(name);
+
+ if (hasLayout)
+ it->layout(tclass2[name]);
+ else
+ it->layout(tclass2.defaultLayout());
+
+ if (!hasLayout && name != tclass1.defaultLayoutName()) {
+ docstring const s = bformat(
+ _("Layout had to be changed from\n%1$s to %2$s\n"
+ "because of class conversion from\n%3$s to %4$s"),
+ from_utf8(name), from_utf8(it->layout()->name()),
+ from_utf8(tclass1.name()), from_utf8(tclass2.name()));
+ // To warn the user that something had to be done.
+ errorlist.push_back(ErrorItem(_("Changed Layout"), s,
+ it->id(), 0,
+ it->size()));
+ }
+ }
+
+ // character styles
+ InsetIterator const i_end = inset_iterator_end(in);
+ for (InsetIterator it = inset_iterator_begin(in); it != i_end; ++it) {
+ if (it->lyxCode() == InsetBase::CHARSTYLE_CODE) {
+ InsetCharStyle & inset =
+ static_cast<InsetCharStyle &>(*it);
+ string const name = inset.params().type;
+ CharStyles::iterator const found_cs =
+ tclass2.charstyle(name);
+ if (found_cs == tclass2.charstyles().end()) {
+ // The character style is undefined in tclass2
+ inset.setUndefined();
+ docstring const s = bformat(_(
+ "Character style %1$s is "
+ "undefined because of class "
+ "conversion from\n%2$s to %3$s"),
+ from_utf8(name), from_utf8(tclass1.name()),
+ from_utf8(tclass2.name()));
+ // To warn the user that something had to be done.
+ errorlist.push_back(ErrorItem(
+ _("Undefined character style"),
+ s, it.paragraph().id(), it.pos(), it.pos() + 1));
+ } else if (inset.undefined()) {
+ // The character style is undefined in
+ // tclass1 and is defined in tclass2
+ inset.setDefined(found_cs);
+ }
+ }
+ }
+}
+
+
+std::vector<docstring> const availableSelections(Buffer const & buffer)
+{
+ vector<docstring> selList;
+
+ CutStack::const_iterator cit = theCuts.begin();
+ CutStack::const_iterator end = theCuts.end();
+ for (; cit != end; ++cit) {
+ // we do not use cit-> here because gcc 2.9x does not
+ // like it (JMarc)
+ ParagraphList const & pars = (*cit).first;
+ docstring asciiSel;
+ ParagraphList::const_iterator pit = pars.begin();
+ ParagraphList::const_iterator pend = pars.end();
+ for (; pit != pend; ++pit) {
+ asciiSel += pit->asString(buffer, false);
+ if (asciiSel.size() > 25) {
+ asciiSel.replace(22, docstring::npos,
+ from_ascii("..."));
+ break;
+ }
+ }
+
+ selList.push_back(asciiSel);
+ }
+
+ return selList;
+}
+
+
+size_type numberOfSelections()
{
- LyXText * text = cur.text();
- BOOST_ASSERT(text);
- // Stuff what we got on the clipboard. Even if there is no selection.
-
- // There is a problem with having the stuffing here in that the
- // larger the selection the slower LyX will get. This can be
- // solved by running the line below only when the selection has
- // finished. The solution used currently just works, to make it
- // faster we need to be more clever and probably also have more
- // calls to stuffClipboard. (Lgb)
- cur.bv().stuffClipboard(cur.selectionAsString(true));
+ return theCuts.size();
+}
+
+void cutSelection(LCursor & cur, bool doclear, bool realcut)
+{
// This doesn't make sense, if there is no selection
if (!cur.selection())
return;
// OK, we have a selection. This is always between cur.selBegin()
// and cur.selEnd()
- // make sure that the depth behind the selection are restored, too
- recordUndoSelection(cur);
- par_type begpit = cur.selBegin().par();
- par_type endpit = cur.selEnd().par();
-
- int endpos = cur.selEnd().pos();
-
- BufferParams const & bufparams = cur.bv().buffer()->params();
- boost::tie(endpit, endpos) = realcut ?
- cutSelection(bufparams,
- text->paragraphs(),
- begpit, endpit,
- cur.selBegin().pos(), endpos,
- bufparams.textclass,
- doclear)
- : eraseSelection(bufparams,
- text->paragraphs(),
- begpit, endpit,
- cur.selBegin().pos(), endpos,
- doclear);
- // sometimes necessary
- if (doclear)
- text->paragraphs()[begpit].stripLeadingSpaces();
-
- text->redoParagraphs(begpit, begpit + 1);
- // cutSelection can invalidate the cursor so we need to set
- // it anew. (Lgb)
- // we prefer the end for when tracking changes
- cur.pos() = endpos;
- cur.par() = endpit;
-
- // need a valid cursor. (Lgb)
- cur.clearSelection();
- text->updateCounters();
+ if (cur.inTexted()) {
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+
+ // make sure that the depth behind the selection are restored, too
+ recordUndoSelection(cur);
+ pit_type begpit = cur.selBegin().pit();
+ pit_type endpit = cur.selEnd().pit();
+
+ int endpos = cur.selEnd().pos();
+
+ BufferParams const & bp = cur.buffer().params();
+ if (realcut) {
+ copySelectionHelper(cur.buffer(),
+ text->paragraphs(),
+ begpit, endpit,
+ cur.selBegin().pos(), endpos,
+ bp.textclass, theCuts);
+ // Stuff what we got on the clipboard.
+ // Even if there is no selection.
+ putClipboard(theCuts[0].first, theCuts[0].second,
+ cur.selectionAsString(true));
+ }
+
+ boost::tie(endpit, endpos) =
+ eraseSelectionHelper(bp,
+ text->paragraphs(),
+ begpit, endpit,
+ cur.selBegin().pos(), endpos,
+ doclear);
+
+ // cutSelection can invalidate the cursor so we need to set
+ // it anew. (Lgb)
+ // we prefer the end for when tracking changes
+ cur.pos() = endpos;
+ cur.pit() = endpit;
+
+ // sometimes necessary
+ if (doclear
+ && text->paragraphs()[begpit].stripLeadingSpaces(bp.trackChanges))
+ cur.fixIfBroken();
+
+ // need a valid cursor. (Lgb)
+ cur.clearSelection();
+ updateLabels(cur.buffer());
+ theSelection().haveSelection(false);
+
+ // tell tabular that a recent copy happened
+ dirtyTabularStack(false);
+ }
+
+ if (cur.inMathed()) {
+ if (cur.selBegin().idx() != cur.selEnd().idx()) {
+ // The current selection spans more than one cell.
+ // Record all cells
+ recordUndoInset(cur);
+ } else {
+ // Record only the current cell to avoid a jumping
+ // cursor after undo
+ recordUndo(cur);
+ }
+ if (realcut)
+ copySelection(cur);
+ eraseSelection(cur);
+ }
}
void copySelection(LCursor & cur)
{
- LyXText * text = cur.text();
- BOOST_ASSERT(text);
- // stuff the selection onto the X clipboard, from an explicit copy request
- cur.bv().stuffClipboard(cur.selectionAsString(true));
+ copySelection(cur, cur.selectionAsString(true));
+}
+
+namespace {
+
+void copySelectionToStack(LCursor & cur, CutStack & cutstack)
+{
// this doesn't make sense, if there is no selection
if (!cur.selection())
return;
- // ok we have a selection. This is always between cur.selBegin()
- // and sel_end cursor
+ if (cur.inTexted()) {
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+ // ok we have a selection. This is always between cur.selBegin()
+ // and sel_end cursor
+
+ // copy behind a space if there is one
+ ParagraphList & pars = text->paragraphs();
+ pos_type pos = cur.selBegin().pos();
+ pit_type par = cur.selBegin().pit();
+ while (pos < pars[par].size() &&
+ pars[par].isLineSeparator(pos) &&
+ (par != cur.selEnd().pit() || pos < cur.selEnd().pos()))
+ ++pos;
+
+ copySelectionHelper(cur.buffer(), pars, par, cur.selEnd().pit(),
+ pos, cur.selEnd().pos(), cur.buffer().params().textclass, cutstack);
+ }
+
+ if (cur.inMathed()) {
+ //lyxerr << "copySelection in mathed" << endl;
+ ParagraphList pars;
+ Paragraph par;
+ BufferParams const & bp = cur.buffer().params();
+ par.layout(bp.getLyXTextClass().defaultLayout());
+ par.insert(0, grabSelection(cur), LyXFont(), Change(Change::UNCHANGED));
+ pars.push_back(par);
+ cutstack.push(make_pair(pars, bp.textclass));
+ }
+}
+
+}
+
+
+void copySelectionToStack()
+{
+ if (!selectionBuffer.empty())
+ theCuts.push(selectionBuffer[0]);
+}
+
+
+void copySelection(LCursor & cur, docstring const & plaintext)
+{
+ // In tablemode, because copy and paste actually use special table stack
+ // we do not attemp to get selected paragraphs under cursor. Instead, a
+ // paragraph with the plain text version is generated so that table cells
+ // can be pasted as pure text somewhere else.
+ if (cur.selBegin().idx() != cur.selEnd().idx()) {
+ ParagraphList pars;
+ Paragraph par;
+ BufferParams const & bp = cur.buffer().params();
+ par.layout(bp.getLyXTextClass().defaultLayout());
+ par.insert(0, plaintext, LyXFont(), Change(Change::UNCHANGED));
+ pars.push_back(par);
+ theCuts.push(make_pair(pars, bp.textclass));
+ } else
+ copySelectionToStack(cur, theCuts);
+
+ // stuff the selection onto the X clipboard, from an explicit copy request
+ putClipboard(theCuts[0].first, theCuts[0].second, plaintext);
+}
+
+
+void saveSelection(LCursor & cur)
+{
+ if (lyxerr.debugging(Debug::ACTION))
+ lyxerr << BOOST_CURRENT_FUNCTION << ": `"
+ << to_utf8(cur.selectionAsString(true)) << "'."
+ << endl;
+
+ if (cur.selection())
+ copySelectionToStack(cur, selectionBuffer);
+ // tell X whether we now have a valid selection
+ theSelection().haveSelection(cur.selection());
+}
+
+
+bool selection()
+{
+ return !selectionBuffer.empty();
+}
+
+
+void clearSelection()
+{
+ selectionBuffer.clear();
+}
- // copy behind a space if there is one
- ParagraphList & pars = text->paragraphs();
- pos_type pos = cur.selBegin().pos();
- par_type par = cur.selBegin().par();
- while (pos < pars[par].size()
- && pars[par].isLineSeparator(pos)
- && (par != cur.selEnd().par() || pos < cur.selEnd().pos()))
- ++pos;
- copySelection(pars, par, cur.selEnd().par(),
- pos, cur.selEnd().pos(), cur.bv().buffer()->params().textclass);
+docstring getSelection(Buffer const & buf, size_t sel_index)
+{
+ return sel_index < theCuts.size()
+ ? theCuts[sel_index].first.back().asString(buf, false)
+ : docstring();
+}
+
+
+void pasteParagraphList(LCursor & cur, ParagraphList const & parlist,
+ textclass_type textclass, ErrorList & errorList)
+{
+ if (cur.inTexted()) {
+ LyXText * text = cur.text();
+ BOOST_ASSERT(text);
+
+ pit_type endpit;
+ PitPosPair ppp;
+
+ boost::tie(ppp, endpit) =
+ pasteSelectionHelper(cur, parlist,
+ textclass, errorList);
+ updateLabels(cur.buffer());
+ cur.clearSelection();
+ text->setCursor(cur.top(), ppp.first, ppp.second);
+ }
+
+ // mathed is handled in InsetMathNest/InsetMathGrid
+ BOOST_ASSERT(!cur.inMathed());
}
-void pasteSelection(LCursor & cur, size_t sel_index)
+void pasteFromStack(LCursor & cur, ErrorList & errorList, size_t sel_index)
{
- LyXText * text = cur.text();
- BOOST_ASSERT(text);
// this does not make sense, if there is nothing to paste
- if (!checkPastePossible())
+ if (!checkPastePossible(sel_index))
return;
recordUndo(cur);
+ pasteParagraphList(cur, theCuts[sel_index].first,
+ theCuts[sel_index].second, errorList);
+ cur.setSelection();
+ saveSelection(cur);
+}
- par_type endpit;
- PitPosPair ppp;
-
- ErrorList el;
- boost::tie(ppp, endpit) =
- pasteSelection(*cur.bv().buffer(),
- text->paragraphs(),
- cur.par(), cur.pos(),
- cur.bv().buffer()->params().textclass,
- sel_index, el);
- bufferErrors(*cur.bv().buffer(), el);
- text->bv()->showErrorList(_("Paste"));
+void pasteClipboard(LCursor & cur, ErrorList & errorList, bool asParagraphs)
+{
+ // Use internal clipboard if it is the most recent one
+ if (theClipboard().isInternal()) {
+ pasteFromStack(cur, errorList, 0);
+ return;
+ }
- text->redoParagraphs(cur.par(), endpit);
+ // First try LyX format
+ if (theClipboard().hasLyXContents()) {
+ string lyx = theClipboard().getAsLyX();
+ if (!lyx.empty()) {
+ // For some strange reason gcc 3.2 and 3.3 do not accept
+ // Buffer buffer(string(), false);
+ Buffer buffer("", false);
+ buffer.setUnnamed(true);
+ if (buffer.readString(lyx)) {
+ recordUndo(cur);
+ pasteParagraphList(cur, buffer.paragraphs(),
+ buffer.params().textclass, errorList);
+ cur.setSelection();
+ return;
+ }
+ }
+ }
- cur.clearSelection();
- cur.resetAnchor();
- text->setCursor(cur, ppp.first, ppp.second);
- cur.setSelection();
- text->updateCounters();
+ // Then try plain text
+ docstring const text = theClipboard().getAsText();
+ if (text.empty())
+ return;
+ recordUndo(cur);
+ if (asParagraphs)
+ cur.text()->insertStringAsParagraphs(cur, text);
+ else
+ cur.text()->insertStringAsLines(cur, text);
}
-void setSelectionRange(LCursor & cur, pos_type length)
+void pasteSelection(LCursor & cur, ErrorList & errorList)
{
- LyXText * text = cur.text();
- BOOST_ASSERT(text);
- if (!length)
+ if (selectionBuffer.empty())
return;
- cur.resetAnchor();
- while (length--)
- text->cursorRight(cur);
+ recordUndo(cur);
+ pasteParagraphList(cur, selectionBuffer[0].first,
+ selectionBuffer[0].second, errorList);
cur.setSelection();
}
-// simple replacing. The font of the first selected character is used
-void replaceSelectionWithString(LCursor & cur, string const & str)
+void replaceSelectionWithString(LCursor & cur, docstring const & str, bool backwards)
{
- LyXText * text = cur.text();
- BOOST_ASSERT(text);
recordUndo(cur);
+ DocIterator selbeg = cur.selectionBegin();
// Get font setting before we cut
- pos_type pos = cur.selEnd().pos();
- LyXFont const font = text->getPar(cur.selBegin().par()).
- getFontSettings(cur.bv().buffer()->params(), cur.selBegin().pos());
+ LyXFont const font =
+ selbeg.paragraph().getFontSettings(cur.buffer().params(), selbeg.pos());
// Insert the new string
- string::const_iterator cit = str.begin();
- string::const_iterator end = str.end();
+ pos_type pos = cur.selEnd().pos();
+ Paragraph & par = cur.selEnd().paragraph();
+ docstring::const_iterator cit = str.begin();
+ docstring::const_iterator end = str.end();
for (; cit != end; ++cit, ++pos)
- text->getPar(cur.selEnd().par()).insertChar(pos, (*cit), font);
+ par.insertChar(pos, *cit, font, cur.buffer().params().trackChanges);
// Cut the selection
cutSelection(cur, true, false);
+
+ // select the replacement
+ if (backwards) {
+ selbeg.pos() += str.length();
+ cur.setSelection(selbeg, -int(str.length()));
+ } else
+ cur.setSelection(selbeg, str.length());
+ saveSelection(cur);
}
}
-// only used by the spellchecker
-void replaceWord(LCursor & cur, string const & replacestring)
+void eraseSelection(LCursor & cur)
+{
+ //lyxerr << "cap::eraseSelection begin: " << cur << endl;
+ CursorSlice const & i1 = cur.selBegin();
+ CursorSlice const & i2 = cur.selEnd();
+ if (i1.inset().asInsetMath()) {
+ cur.top() = i1;
+ if (i1.idx() == i2.idx()) {
+ i1.cell().erase(i1.pos(), i2.pos());
+ // We may have deleted i1.cell(cur.pos()).
+ // Make sure that pos is valid.
+ if (cur.pos() > cur.lastpos())
+ cur.pos() = cur.lastpos();
+ } else {
+ InsetMath * p = i1.asInsetMath();
+ InsetBase::row_type r1, r2;
+ InsetBase::col_type c1, c2;
+ region(i1, i2, r1, r2, c1, c2);
+ for (InsetBase::row_type row = r1; row <= r2; ++row)
+ for (InsetBase::col_type col = c1; col <= c2; ++col)
+ p->cell(p->index(row, col)).clear();
+ // We've deleted the whole cell. Only pos 0 is valid.
+ cur.pos() = 0;
+ }
+ // need a valid cursor. (Lgb)
+ cur.clearSelection();
+ theSelection().haveSelection(false);
+ } else {
+ lyxerr << "can't erase this selection 1" << endl;
+ }
+ //lyxerr << "cap::eraseSelection end: " << cur << endl;
+}
+
+
+void selDel(LCursor & cur)
+{
+ //lyxerr << "cap::selDel" << endl;
+ if (cur.selection())
+ eraseSelection(cur);
+}
+
+
+void selClearOrDel(LCursor & cur)
+{
+ //lyxerr << "cap::selClearOrDel" << endl;
+ if (lyxrc.auto_region_delete)
+ selDel(cur);
+ else
+ cur.selection() = false;
+}
+
+
+docstring grabSelection(LCursor const & cur)
{
- LyXText * text = cur.text();
- BOOST_ASSERT(text);
+ if (!cur.selection())
+ return docstring();
+
+ // FIXME: What is wrong with the following?
+#if 0
+ std::ostringstream os;
+ for (DocIterator dit = cur.selectionBegin();
+ dit != cur.selectionEnd(); dit.forwardPos())
+ os << asString(dit.cell());
+ return os.str();
+#endif
- replaceSelectionWithString(cur, replacestring);
- setSelectionRange(cur, replacestring.length());
+ CursorSlice i1 = cur.selBegin();
+ CursorSlice i2 = cur.selEnd();
+
+ if (i1.idx() == i2.idx()) {
+ if (i1.inset().asInsetMath()) {
+ MathArray::const_iterator it = i1.cell().begin();
+ return asString(MathArray(it + i1.pos(), it + i2.pos()));
+ } else {
+ return from_ascii("unknown selection 1");
+ }
+ }
- // Go back so that replacement string is also spellchecked
- for (string::size_type i = 0; i < replacestring.length() + 1; ++i)
- text->cursorLeft(cur);
+ InsetBase::row_type r1, r2;
+ InsetBase::col_type c1, c2;
+ region(i1, i2, r1, r2, c1, c2);
+
+ docstring data;
+ if (i1.inset().asInsetMath()) {
+ for (InsetBase::row_type row = r1; row <= r2; ++row) {
+ if (row > r1)
+ data += "\\\\";
+ for (InsetBase::col_type col = c1; col <= c2; ++col) {
+ if (col > c1)
+ data += '&';
+ data += asString(i1.asInsetMath()->
+ cell(i1.asInsetMath()->index(row, col)));
+ }
+ }
+ } else {
+ data = from_ascii("unknown selection 2");
+ }
+ return data;
+}
+
+
+void dirtyTabularStack(bool b)
+{
+ dirty_tabular_stack_ = b;
+}
+
+
+bool tabularStackDirty()
+{
+ return dirty_tabular_stack_;
}
} // namespace cap
+
} // namespace lyx
projects / lyx.git / blobdiff