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.cc,v 1.4 2000/05/03 15:54:21 pbd Exp $
23 #include "pbd/controllable.h"
25 #include "gtkmm2ext/gui_thread.h"
26 #include "ardour/utils.h"
28 #include "volume_controller.h"
32 VolumeController::VolumeController (Glib::RefPtr<Gdk::Pixbuf> p,
37 : MotionFeedback (p, MotionFeedback::Rotary, "", adj, with_numeric, subw, subh)
39 get_adjustment()->signal_value_changed().connect (mem_fun (*this,&VolumeController::adjustment_value_changed));
43 VolumeController::set_controllable (boost::shared_ptr<PBD::Controllable> c)
45 MotionFeedback::set_controllable (c);
47 controllable_connection.disconnect ();
50 c->Changed.connect (controllable_connection, MISSING_INVALIDATOR, boost::bind (&VolumeController::controllable_value_changed, this), gui_context());
55 VolumeController::controllable_value_changed ()
57 boost::shared_ptr<PBD::Controllable> c = controllable();
59 get_adjustment()->set_value (gain_to_slider_position (c->get_value ()));
64 VolumeController::adjustment_value_changed ()
66 boost::shared_ptr<PBD::Controllable> c = controllable();
68 c->set_value (slider_position_to_gain (get_adjustment()->get_value()));