r155@gandalf: fugalh | 2006-06-30 11:21:45 -0600
MementoCommand - for the lazy at heart git-svn-id: svn://localhost/ardour2/branches/undo@661 d708f5d6-7413-0410-9779-e7cbd77b26cf
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libs/pbd3/pbd/memento_command.h
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54
libs/pbd3/pbd/memento_command.h
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/*
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Copyright (C) 2006 Hans Fugal & Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: /local/undo/libs/pbd3/pbd/undo.h 132 2006-06-29T18:45:16.609763Z fugalh $
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*/
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#ifndef __lib_pbd_memento_command_h__
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#define __lib_pbd_memento_command_h__
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#include <pbd/command.h>
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#include <sigc++/slot.h>
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// TODO: make a macro to make constructing this even easier
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template <class obj_T, class mem_T>
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class MementoCommand : public Command
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{
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public:
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MementoCommand(obj_T obj,
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sigc::slot<void> action,
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std::string key
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std::list<Serializable *> args
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)
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: obj(obj), action(action), key(key), args(args), memento(obj.get_memento()) {}
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void operator() () { action(); }
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void undo() { obj.set_memento(memento); }
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virtual XMLNode &serialize()
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{
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// obj.id
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// key
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// args
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}
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protected:
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obj_T &obj;
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mem_T memento;
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sigc::slot<void> action;
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std::string key;
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std::list<Serializable*> args;
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};
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#endif // __lib_pbd_memento_h__
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