+ return size_t(index) < theCuts.size() && !theCuts[index].first.empty();
+}
+
+
+pair<PitPosPair, pit_type>
+pasteSelectionHelper(Buffer const & buffer, ParagraphList & pars,
+ pit_type pit, int pos,
+ textclass_type tc, size_t cut_index, ErrorList & errorlist)
+{
+ if (!checkPastePossible(cut_index))
+ return make_pair(PitPosPair(pit, pos), pit);
+
+ BOOST_ASSERT (pos <= pars[pit].size());
+
+ // Make a copy of the CaP paragraphs.
+ ParagraphList insertion = theCuts[cut_index].first;
+ textclass_type const textclass = theCuts[cut_index].second;
+
+ // 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)) {
+ insertion[i].erase(j);
+ breakParagraphConservative(
+ buffer.params(),
+ insertion, i, j);
+ }
+ }
+ }
+ }
+
+ // Make sure there is no class difference.
+ lyx::cap::SwitchLayoutsBetweenClasses(textclass, tc, insertion,
+ errorlist);
+
+ ParagraphList::iterator tmpbuf = insertion.begin();
+ int depth_delta = pars[pit].params().depth() - tmpbuf->params().depth();
+
+ Paragraph::depth_type max_depth = pars[pit].getMaxDepthAfter();
+
+ for (; tmpbuf != insertion.end(); ++tmpbuf) {
+ // If we have a negative jump so that the depth would
+ // go below 0 depth then we have to redo the delta to
+ // this new max depth level so that subsequent
+ // paragraphs are aligned correctly to this paragraph
+ // at level 0.
+ if (int(tmpbuf->params().depth()) + depth_delta < 0)
+ depth_delta = 0;
+
+ // Set the right depth so that we are not too deep or shallow.
+ tmpbuf->params().depth(tmpbuf->params().depth() + depth_delta);
+ if (tmpbuf->params().depth() > max_depth)
+ tmpbuf->params().depth(max_depth);
+
+ // Only set this from the 2nd on as the 2nd depends
+ // for maxDepth still on pit.
+ if (tmpbuf != insertion.begin())
+ max_depth = tmpbuf->getMaxDepthAfter();
+
+ // 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 &&
+ !pars[pit].insetAllowed(tmpbuf->getInset(i)->lyxCode()))
+ tmpbuf->erase(i--);
+ }
+ }
+
+ 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);
+
+ 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();
+
+ for (; lit != eit; ++lit) {
+ switch (lit->inset->lyxCode()) {
+ case InsetBase::TABULAR_CODE: {
+ InsetTabular * it = static_cast<InsetTabular*>(lit->inset);
+ it->buffer(&buffer);
+ break;
+ }
+
+ default:
+ break; // nothing
+ }
+ }
+ }
+ std::swap(in.paragraphs(), insertion);
+
+ // Split the paragraph for inserting the buf if necessary.
+ if (!empty)
+ breakParagraphConservative(buffer.params(), pars, pit, pos);
+
+ // Paste it!
+ if (empty) {
+ pars.insert(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(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;
+
+ // Store the new cursor position.
+ pit = last_paste;
+ pos = pars[last_paste].size();
+
+ // Maybe some pasting.
+ 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 + 1].makeSameLayout(pars[last_paste]);
+ mergeParagraph(buffer.params(), pars, last_paste);
+ } else if (pars[last_paste].empty()) {
+ pars[last_paste].makeSameLayout(pars[last_paste + 1]);
+ mergeParagraph(buffer.params(), pars, last_paste);
+ } else {
+ pars[last_paste + 1].stripLeadingSpaces();
+ ++last_paste;
+ }
+ }
+
+ return make_pair(PitPosPair(pit, pos), last_paste + 1);
+}
+
+
+PitPosPair eraseSelectionHelper(BufferParams const & params,
+ ParagraphList & pars,
+ pit_type startpit, pit_type endpit,
+ int startpos, int endpos, bool doclear)
+{
+ if (startpit == pit_type(pars.size()) ||
+ (startpos > pars[startpit].size()))