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livetrax/gtk2_ardour/playlist_selection.h
Paul Davis b35518e212 switch from boost::{shared,weak}_ptr to std::{shared,weak}_ptr
This is mostly a simple lexical search+replace but the absence of operator< for
std::weak_ptr<T> leads to some complications, particularly with Evoral::Sequence
and ExportPortChannel.
2023-03-24 14:19:15 -06:00

47 lines
1.4 KiB
C++

/*
* Copyright (C) 2006-2007 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2014 David Robillard <d@drobilla.net>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __ardour_gtk_playlist_selection_h__
#define __ardour_gtk_playlist_selection_h__
#include <list>
#include <memory>
namespace ARDOUR {
class Playlist;
}
struct PlaylistSelection : std::list<std::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__ */