/// Delete all regular children of this item (not mask or clip).
void
DrawingItem::clearChildren()
{
if (_children.empty()) return;
_markForRendering();
// prevent children from referencing the parent during deletion
// this way, children won't try to remove themselves from a list
// from which they have already been removed by clear_and_dispose
for (ChildrenList::iterator i = _children.begin(); i != _children.end(); ++i) {
i->_parent = NULL;
i->_child_type = CHILD_ORPHAN;
}
_children.clear_and_dispose(DeleteDisposer());
_markForUpdate(STATE_ALL, false);
}
void
DrawingText::clear()
{
_markForRendering();
_children.clear_and_dispose(DeleteDisposer());
}
