]> git.lyx.org Git - lyx.git/blobdiff - src/CutAndPaste.cpp
Fix build with GNU libstdc++ C++11 ABI
[lyx.git] / src / CutAndPaste.cpp
index ad3ad7e23843b0e8f9f1f552621f535319a0ecaf..6333892cd6cc6e2d1bfe6729a50657f46cc56fab 100644 (file)
@@ -125,7 +125,7 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
        InsetText * target_inset = cur.inset().asInsetText();
        if (!target_inset) {
                InsetTabular * it = cur.inset().asInsetTabular();
-               target_inset = it? it->cell(cur.idx())->asInsetText() : 0;
+               target_inset = it ? it->cell(cur.idx())->asInsetText() : 0;
        }
        LASSERT(target_inset, return PasteReturnValue(pit, pos, need_update));
 
@@ -170,7 +170,8 @@ pasteSelectionHelper(DocIterator const & cur, ParagraphList const & parlist,
                        if (forcePlainLayout || parLayout == defaultLayout)
                                par->setLayout(plainLayout);
                }
-       }       else { // check if we need to reset from plain layout
+       } else {
+               // check if we need to reset from plain layout
                Layout const & defaultLayout = newDocClass->defaultLayout();
                Layout const & plainLayout = newDocClass->plainLayout();
                ParagraphList::iterator const end = insertion.end();
@@ -479,8 +480,7 @@ PitPosPair eraseSelectionHelper(BufferParams const & params,
 }
 
 
-void putClipboard(ParagraphList const & paragraphs, 
-       DocumentClassConstPtr docclass, docstring const & plaintext)
+Buffer * copyToTempBuffer(ParagraphList const & paragraphs, DocumentClassConstPtr docclass)
 {
        // This used to need to be static to avoid a memory leak. It no longer needs
        // to be so, but the alternative is to construct a new one of these (with a
@@ -499,9 +499,20 @@ void putClipboard(ParagraphList const & paragraphs,
        // Use a clone for the complicated stuff so that we do not need to clean
        // up in order to avoid a crash.
        Buffer * buffer = staticbuffer->cloneBufferOnly();
-       LASSERT(buffer, return);
+       LASSERT(buffer, return 0);
 
        // This needs doing every time.
+       // Since setDocumentClass() causes deletion of the old document class
+       // we need to reset all layout pointers in paragraphs (otherwise they
+       // would be dangling).
+       ParIterator const end = buffer->par_iterator_end();
+       for (ParIterator it = buffer->par_iterator_begin(); it != end; ++it) {
+               docstring const name = it->layout().name();
+               if (docclass->hasLayout(name))
+                       it->setLayout((*docclass)[name]);
+               else
+                       it->setPlainOrDefaultLayout(*docclass);
+       }
        buffer->params().setDocumentClass(docclass);
 
        // we will use pasteSelectionHelper to copy the paragraphs into the
@@ -510,6 +521,17 @@ void putClipboard(ParagraphList const & paragraphs,
        ErrorList el;
        pasteSelectionHelper(dit, paragraphs, docclass, buffer, el);
 
+       return buffer;
+}
+
+
+void putClipboard(ParagraphList const & paragraphs, 
+       DocumentClassConstPtr docclass, docstring const & plaintext)
+{
+       Buffer * buffer = copyToTempBuffer(paragraphs, docclass);
+       if (!buffer) // already asserted in copyToTempBuffer()
+               return;
+
        // We don't want to produce images that are not used. Therefore,
        // output formulas as MathML. Even if this is not understood by all
        // applications, the number that can parse it should go up in the future.
@@ -1039,11 +1061,16 @@ void clearCutStack()
 }
 
 
-docstring selection(size_t sel_index)
+docstring selection(size_t sel_index, DocumentClassConstPtr docclass)
 {
-       return sel_index < theCuts.size()
-               ? theCuts[sel_index].first.back().asString(AS_STR_INSETS | AS_STR_NEWLINES)
-               : docstring();
+       if (sel_index >= theCuts.size())
+               return docstring();
+
+       boost::scoped_ptr<Buffer> buffer(copyToTempBuffer(theCuts[sel_index].first, docclass));
+       if (!buffer)
+               return docstring();
+
+       return buffer->paragraphs().back().asString(AS_STR_INSETS | AS_STR_NEWLINES);
 }
 
 
@@ -1254,31 +1281,43 @@ void eraseSelection(Cursor & cur)
        //lyxerr << "cap::eraseSelection begin: " << cur << endl;
        CursorSlice const & i1 = cur.selBegin();
        CursorSlice const & i2 = cur.selEnd();
-       if (i1.inset().asInsetMath()) {
-               saveSelection(cur);
-               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();
-                       Inset::row_type r1, r2;
-                       Inset::col_type c1, c2;
-                       region(i1, i2, r1, r2, c1, c2);
-                       for (Inset::row_type row = r1; row <= r2; ++row)
-                               for (Inset::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();
+       if (!i1.asInsetMath()) {
+               LYXERR0("Can't erase this selection");
+               return;
+       }
+
+       saveSelection(cur);
+       cur.top() = i1;
+       InsetMath * p = i1.asInsetMath();
+       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 if (p->nrows() > 0 && p->ncols() > 0) {
+               // This is a grid, delete a nice square region
+               Inset::row_type r1, r2;
+               Inset::col_type c1, c2;
+               region(i1, i2, r1, r2, c1, c2);
+               for (Inset::row_type row = r1; row <= r2; ++row)
+                       for (Inset::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;
        } else {
-               lyxerr << "can't erase this selection 1" << endl;
+               Inset::idx_type idx1 = i1.idx();
+               Inset::idx_type idx2 = i2.idx();
+               if (idx1 > idx2)
+                       swap(idx1, idx2);
+               for (Inset::idx_type idx = idx1 ; idx <= idx2; ++idx)
+                       p->cell(idx).clear();
+               // We've deleted the whole cell. Only pos 0 is valid.
+               cur.pos() = 0;
        }
+
+       // need a valid cursor. (Lgb)
+       cur.clearSelection();
        //lyxerr << "cap::eraseSelection end: " << cur << endl;
 }