+
/*
- Copyright (C) 2006 Hans Fugal & Paul Davis
+ Copyright (C) 2006 Paul Davis
+ Author: Hans Fugal
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- $Id: /local/undo/libs/pbd3/pbd/undo.h 80 2006-06-22T22:37:01.079855Z fugalh $
*/
#ifndef __lib_pbd_command_h__
#define __lib_pbd_command_h__
-#include <pbd/statefuldestructible.h>
+#include "pbd/statefuldestructible.h"
+#include <boost/utility.hpp>
-class Command : public PBD::StatefulDestructible
+class Command : public PBD::StatefulDestructible, public boost::noncopyable
{
- public:
- virtual ~Command() {}
+public:
+ virtual ~Command() { /* NOTE: derived classes must call drop_references() */ }
+
virtual void operator() () = 0;
- virtual void undo() = 0;
- virtual void redo() { (*this)(); }
- virtual XMLNode &get_state();
- virtual int set_state(const XMLNode&) { /* noop */ return 0; }
+
+ void set_name (const std::string& str) { _name = str; }
+ const std::string& name() const { return _name; }
+
+ virtual void undo() = 0;
+ virtual void redo() { (*this)(); }
+
+ virtual XMLNode &get_state();
+ virtual int set_state(const XMLNode&, int /*version*/) { /* noop */ return 0; }
+
+protected:
+ Command() {}
+ Command(const std::string& name) : _name(name) {}
+
+ std::string _name;
};
#endif // __lib_pbd_command_h_