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r155@gandalf: fugalh | 2006-06-30 11:21:45 -0600

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MementoCommand - for the lazy at heart


git-svn-id: svn://localhost/ardour2/branches/undo@661 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Hans Fugal 2006-06-30 17:24:16 +00:00
parent 21af0d4ae2
commit a5386f8d59
1 changed files with 54 additions and 0 deletions
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54
libs/pbd3/pbd/memento_command.h Normal file
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/*
Copyright (C) 2006 Hans Fugal & Paul Davis
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
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
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 132 2006-06-29T18:45:16.609763Z fugalh $
*/
#ifndef __lib_pbd_memento_command_h__
#define __lib_pbd_memento_command_h__
#include <pbd/command.h>
#include <sigc++/slot.h>
// TODO: make a macro to make constructing this even easier
template <class obj_T, class mem_T>
class MementoCommand : public Command
{
public:
MementoCommand(obj_T obj,
sigc::slot<void> action,
std::string key
std::list<Serializable *> args
)
: obj(obj), action(action), key(key), args(args), memento(obj.get_memento()) {}
void operator() () { action(); }
void undo() { obj.set_memento(memento); }
virtual XMLNode &serialize()
{
// obj.id
// key
// args
}
protected:
obj_T &obj;
mem_T memento;
sigc::slot<void> action;
std::string key;
std::list<Serializable*> args;
};
#endif // __lib_pbd_memento_h__