2 * Copyright (C) 2006-2007 John Anderson
3 * Copyright (C) 2012-2015 Paul Davis <paul@linuxaudiosystems.com>
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.
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.
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.
20 #ifndef __ardour_mackie_control_protocol_fader_h__
21 #define __ardour_mackie_control_protocol_fader_h__
25 namespace ArdourSurface {
29 class Fader : public Control
33 Fader (int id, std::string name, Group & group)
34 : Control (id, name, group)
36 , last_update_position (-1)
40 MidiByteArray set_position (float);
41 MidiByteArray zero() { return set_position (0.0); }
43 MidiByteArray update_message ();
45 static Control* factory (Surface&, int id, const char*, Group&);
49 int last_update_position;