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