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add back working version of VolumeController

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git-svn-id: svn://localhost/ardour2/branches/3.0@8827 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Paul Davis 2011-02-11 18:02:15 +00:00
parent f336aa4f67
commit fe6ca1786f
2 changed files with 124 additions and 0 deletions
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72
gtk2_ardour/volume_controller.cc Normal file
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/*
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()));
}
}

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gtk2_ardour/volume_controller.h Normal file
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/*
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.h,v 1.4 2000/05/03 15:54:21 pbd Exp $
*/
#ifndef __gtk_ardour_vol_controller_h__
#define __gtk_ardour_vol_controller_h__
#include <gtkmm/adjustment.h>
#include "gtkmm2ext/motionfeedback.h"
// march 2010: this exists as a placeholder to add a controllable, but maybe it will
// end up in MotionFeedback
class VolumeController : public Gtkmm2ext::MotionFeedback
{
public:
VolumeController (Glib::RefPtr<Gdk::Pixbuf>,
Gtk::Adjustment *adj,
bool with_numeric = true,
int image_width = 40,
int image_height = 40);
virtual ~VolumeController () {}
void set_controllable (boost::shared_ptr<PBD::Controllable> c);
private:
Gtk::Adjustment *adjustment;
PBD::ScopedConnection controllable_connection;
void adjustment_value_changed ();
void controllable_value_changed ();
};
#endif // __gtk_ardour_vol_controller_h__