a8b4169cce
git-svn-id: svn://localhost/ardour2/branches/3.0@9243 d708f5d6-7413-0410-9779-e7cbd77b26cf
75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/*
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Copyright (C) 1998-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: volume_controller.cc,v 1.4 2000/05/03 15:54:21 pbd Exp $
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*/
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#include <string.h>
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#include <limits.h>
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#include "pbd/controllable.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "ardour/utils.h"
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#include "volume_controller.h"
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using namespace Gtk;
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VolumeController::VolumeController (Glib::RefPtr<Gdk::Pixbuf> p,
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Gtk::Adjustment *adj,
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bool with_numeric,
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int subw, int subh)
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: MotionFeedback (p, MotionFeedback::Rotary, "", adj, with_numeric, subw, subh)
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{
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get_adjustment()->signal_value_changed().connect (mem_fun (*this,&VolumeController::adjustment_value_changed));
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}
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void
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VolumeController::set_controllable (boost::shared_ptr<PBD::Controllable> c)
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{
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MotionFeedback::set_controllable (c);
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controllable_connection.disconnect ();
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if (c) {
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c->Changed.connect (controllable_connection, MISSING_INVALIDATOR, boost::bind (&VolumeController::controllable_value_changed, this), gui_context());
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}
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controllable_value_changed ();
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}
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void
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VolumeController::controllable_value_changed ()
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{
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boost::shared_ptr<PBD::Controllable> c = controllable();
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if (c) {
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get_adjustment()->set_value (gain_to_slider_position (c->get_value ()));
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}
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}
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void
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VolumeController::adjustment_value_changed ()
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{
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boost::shared_ptr<PBD::Controllable> c = controllable();
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if (c) {
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c->set_value (slider_position_to_gain (get_adjustment()->get_value()));
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}
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}
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