2 Copyright (C) 1998-2007 Paul Davis
3 This program is free software; you can redistribute it and/or modify
4 it under the terms of the GNU General Public License as published by
5 the Free Software Foundation; either version 2 of the License, or
6 (at your option) any later version.
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU General Public License for more details.
13 You should have received a copy of the GNU General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 $Id: volume_controller.h,v 1.4 2000/05/03 15:54:21 pbd Exp $
20 #ifndef __gtk_ardour_vol_controller_h__
21 #define __gtk_ardour_vol_controller_h__
23 #include <gtkmm/adjustment.h>
25 #include "gtkmm2ext/motionfeedback.h"
27 class VolumeController
: public Gtkmm2ext::MotionFeedback
30 VolumeController (Glib::RefPtr
<Gdk::Pixbuf
>,
31 boost::shared_ptr
<PBD::Controllable
>,
35 bool with_numeric
= true,
37 int image_height
= 40,
40 virtual ~VolumeController () {}
42 static void _dB_printer (char buf
[32], const boost::shared_ptr
<PBD::Controllable
>& adj
, void* arg
);
45 double to_control_value (double);
46 double to_display_value (double);
47 double adjust (double nominal_delta
);
49 double display_value () const;
50 double control_value () const;
55 void dB_printer (char buf
[32], const boost::shared_ptr
<PBD::Controllable
>& adj
);
58 #endif // __gtk_ardour_vol_controller_h__