Control.h

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/*
 * Copyright (C) 2008-2014 David Robillard <d@drobilla.net>
 * Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2010-2013 Paul Davis <paul@linuxaudiosystems.com>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef EVORAL_CONTROL_HPP
#define EVORAL_CONTROL_HPP
 
#include <set>
#include <map>
#include <memory>
 
#include "pbd/signals.h"
 
#include "temporal/timeline.h"
 
#include "evoral/visibility.h"
#include "evoral/ControlList.h"
#include "evoral/Parameter.h"
#include "evoral/ParameterDescriptor.h"
 
namespace Evoral {
 
struct ParameterDescriptor;
class Transport;
class TypeMap;
 
class LIBEVORAL_API Control
{
public:
        Control (const Parameter&               parameter,
                 const ParameterDescriptor&     desc,
                 std::shared_ptr<ControlList> list);
 
        virtual ~Control() {}
 
        virtual void   set_double (double val, Temporal::timepos_t const & when = Temporal::timepos_t (), bool to_list = false);
        virtual double get_double () const { return _user_value; }
 
        void set_list(std::shared_ptr<ControlList>);
 
        std::shared_ptr<ControlList>       list()       { return _list; }
        std::shared_ptr<const ControlList> list() const { return _list; }
 
        inline const Parameter& parameter() const { return _parameter; }
 
        PBD::Signal<void()> ListMarkedDirty;
 
protected:
        Parameter                      _parameter;
        std::shared_ptr<ControlList> _list;
        double                         _user_value;
        PBD::ScopedConnection          _list_marked_dirty_connection;
 
private:
        void list_marked_dirty ();
};
 
} // namespace Evoral
 
#endif // EVORAL_CONTROL_HPP