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livetrax/gtk2_ardour/automation_controller.h

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/*
Copyright (C) 2007 Paul Davis
Author: Dave Robillard
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.
*/
#ifndef __ardour_gtk_automation_controller_h__
#define __ardour_gtk_automation_controller_h__
#include <boost/shared_ptr.hpp>
#include <gtkmm.h>
#include "gtkmm2ext/barcontroller.h"
#include "pbd/signals.h"
namespace ARDOUR {
class Session;
class AutomationList;
class AutomationControl;
class Automatable;
}
/** A BarController which displays the value and allows control of an AutomationControl */
class AutomationController : public Gtkmm2ext::BarController {
public:
static boost::shared_ptr<AutomationController> create(
boost::shared_ptr<ARDOUR::Automatable> parent,
const Evoral::Parameter& param,
boost::shared_ptr<ARDOUR::AutomationControl> ac);
~AutomationController();
boost::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
Gtk::Adjustment* adjustment() { return _adjustment; }
void display_effective_value();
void value_adjusted();
void stop_updating ();
private:
AutomationController (boost::shared_ptr<ARDOUR::Automatable> printer, boost::shared_ptr<ARDOUR::AutomationControl> ac, Gtk::Adjustment* adj);
std::string get_label (double&);
void start_touch();
void end_touch();
void value_changed();
void automation_state_changed();
bool _ignore_change;
boost::shared_ptr<ARDOUR::Automatable> _printer;
boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
Gtk::Adjustment* _adjustment;
sigc::connection _screen_update_connection;
PBD::ScopedConnection _changed_connection;
};
#endif /* __ardour_gtk_automation_controller_h__ */