index cd17c467575ca2415c89d0fb8d5db2b78658c3fc..dbda2b9809e04f867224b3efaa16c5fe6415af53 100644 (file)
#ifndef __UNDO_COMMIT_OBSERVER_H__
#define __UNDO_COMMIT_OBSERVER_H__
+#include "gc-managed.h"
+
namespace Inkscape {
class Event;
* UndoStackObservers should not be used on their own. Instead, they should be registered
* with a CompositeUndoStackObserver.
*/
-class UndoStackObserver {
+class UndoStackObserver : public GC::Managed<> {
public:
UndoStackObserver() { }
virtual ~UndoStackObserver() { }