1 /*
2  * Copyright (C) 2012-2016 Paul Davis <paul@linuxaudiosystems.com>
3  * Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 #ifndef __gtk2_ardour_route_sorter_h__
21 #define __gtk2_ardour_route_sorter_h__
22 
23 #include <boost/shared_ptr.hpp>
24 #include <stdint.h>
25 #include <vector>
26 
27 #include "ardour/stripable.h"
28 
29 /* This is used to keep numerical tree-order in sync
30  * with Stripable ordering (mixer_ui.cc editor_routes.cc)
31  */
32 
33 struct TreeOrderKey {
34     uint32_t old_display_order;
35 		boost::shared_ptr<ARDOUR::Stripable> stripable;
36 
TreeOrderKeyTreeOrderKey37 	TreeOrderKey (uint32_t ok, boost::shared_ptr<ARDOUR::Stripable> s)
38 		: old_display_order (ok)
39 		, stripable (s)
40 	{}
41 };
42 
43 typedef std::vector<TreeOrderKey> TreeOrderKeys;
44 
45 struct TreeOrderKeySorter
46 {
operatorTreeOrderKeySorter47 	bool operator() (const TreeOrderKey& ok_a, const TreeOrderKey& ok_b)
48 	{
49 		boost::shared_ptr<ARDOUR::Stripable> const& a = ok_a.stripable;
50 		boost::shared_ptr<ARDOUR::Stripable> const& b = ok_b.stripable;
51 		return ARDOUR::Stripable::Sorter () (a, b);
52 	}
53 };
54 
55 #endif /* __gtk2_ardour_route_sorter_h__ */
56