ardour/gtk2_ardour/playlist_selection.h

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/*
Copyright (C) 2000-2007 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.
*/
#ifndef __ardour_gtk_playlist_selection_h__
#define __ardour_gtk_playlist_selection_h__
#include <list>
#include <boost/shared_ptr.hpp>
namespace ARDOUR {
class Playlist;
}
struct PlaylistSelection : std::list<boost::shared_ptr<ARDOUR::Playlist> > {
public:
const_iterator
get_nth(ARDOUR::DataType type, size_t nth) const {
size_t count = 0;
for (const_iterator l = begin(); l != end(); ++l) {
if ((*l)->data_type() == type) {
if (count++ == nth) {
return l;
}
}
}
return end();
}
};
#endif /* __ardour_gtk_playlist_selection_h__ */