struct UndoElement
{
///
- UndoElement(UndoKind kin, StableDocIterator const & cur,
+ UndoElement(UndoKind kin, StableDocIterator const & cb,
StableDocIterator const & cel,
pit_type fro, pit_type en, ParagraphList * pl,
MathData * ar, BufferParams const & bp,
bool ifb, bool lc, size_t gid) :
- kind(kin), cursor(cur), cell(cel), from(fro), end(en),
+ kind(kin), cur_before(cb), cell(cel), from(fro), end(en),
pars(pl), array(ar), bparams(0), isFullBuffer(ifb),
lyx_clean(lc), group_id(gid)
{
UndoElement(UndoElement const & ue)
{
kind = ue.kind;
- cursor = ue.cursor;
+ cur_before = ue.cur_before;
+ cur_after = ue.cur_after;
cell = ue.cell;
from = ue.from;
end = ue.end;
}
/// Which kind of operation are we recording for?
UndoKind kind;
- /// the position of the cursor
- StableDocIterator cursor;
+ /// the position of the cursor before recordUndo
+ StableDocIterator cur_before;
+ /// the position of the cursor at the end of the undo group
+ StableDocIterator cur_after;
/// the position of the cell described
StableDocIterator cell;
/// counted from begin of cell
DocIterator const & cell,
pit_type first_pit,
pit_type last_pit,
- DocIterator const & cur,
+ StableDocIterator const & cur,
bool isFullBuffer,
UndoElementStack & stack);
///
void Undo::Private::doRecordUndo(UndoKind kind,
DocIterator const & cell,
pit_type first_pit, pit_type last_pit,
- DocIterator const & cur,
+ StableDocIterator const & cur_before,
bool isFullBuffer,
UndoElementStack & stack)
{
&& samePar(stack.top().cell, cell)
&& stack.top().kind == kind
&& stack.top().from == from
- && stack.top().end == end)
+ && stack.top().end == end) {
+ // reset cur_after; it will be filled correctly by endUndoGroup.
+ stack.top().cur_after = StableDocIterator();
return;
+ }
if (isFullBuffer)
LYXERR(Debug::UNDO, "Create full buffer undo element of group " << group_id);
else
LYXERR(Debug::UNDO, "Create undo element of group " << group_id);
// create the position information of the Undo entry
- UndoElement undo(kind, cur, cell, from, end, 0, 0,
+ UndoElement undo(kind, cur_before, cell, from, end, 0, 0,
buffer_.params(), isFullBuffer, buffer_.isClean(), group_id);
// fill in the real data to be saved
DocIterator cell_dit = undo.cell.asDocIterator(&buffer_);
doRecordUndo(ATOMIC_UNDO, cell_dit,
- undo.from, cell_dit.lastpit() - undo.end, cur,
+ undo.from, cell_dit.lastpit() - undo.end, undo.cur_after,
undo.isFullBuffer, otherstack);
+ otherstack.top().cur_after = undo.cur_before;
// This does the actual undo/redo.
//LYXERR0("undo, performing: " << undo);
LASSERT(undo.pars == 0, /**/);
LASSERT(undo.array == 0, /**/);
- cur = undo.cursor.asDocIterator(&buffer_);
+ if (undo.cur_before.size())
+ cur = undo.cur_before.asDocIterator(&buffer_);
if (undo.lyx_clean)
buffer_.markClean();
else
}
}
+
+void Undo::endUndoGroup(DocIterator const & cur)
+{
+ endUndoGroup();
+ if (!d->undostack_.empty() && !d->undostack_.top().cur_after.size())
+ d->undostack_.top().cur_after = cur;
+}
+
+
// FIXME: remove these convenience functions and make
// Private::recordUndo public as sole interface. The code in the
// convenience functions can move to Cursor.cpp.