-/* This file is part of Evoral.
- * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
- * Copyright (C) 2000-2008 Paul Davis
+/*
+ * 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>
*
- * Evoral 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 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.
*
- * Evoral 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 details.
+ * 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef EVORAL_CONTROL_HPP
#include <set>
#include <map>
#include <boost/shared_ptr.hpp>
-#include "evoral/types.hpp"
+#include "pbd/signals.h"
+
+#include "evoral/visibility.h"
#include "evoral/Parameter.hpp"
+#include "evoral/ParameterDescriptor.hpp"
namespace Evoral {
class ControlList;
+class ParameterDescriptor;
class Transport;
+class TypeMap;
-class Control
+/** Base class representing some kind of (automatable) control; a fader's gain,
+ * for example, or a compressor plugin's threshold.
+ *
+ * The class knows the Evoral::Parameter that it is controlling, and has
+ * a list of values for automation.
+ */
+class LIBEVORAL_API Control
{
public:
- Control(const Parameter& parameter, boost::shared_ptr<ControlList>);
- virtual ~Control() {}
+ Control(const Parameter& parameter,
+ const ParameterDescriptor& desc,
+ boost::shared_ptr<ControlList> list);
- virtual void set_float(float val, bool to_list=false, FrameTime frame=0);
- virtual float get_float(bool from_list=false, FrameTime frame=0) const;
+ virtual ~Control() {}
+ virtual void set_double (double val, double frame=0, bool to_list=false);
+ virtual double get_double (bool from_list=false, double frame=0) const;
/** Get the latest user-set value
* (which may not equal get_value() when automation is playing back).
* Automation write/touch works by periodically sampling this value
* and adding it to the ControlList.
*/
- float user_float() const { return _user_value; }
+ double user_double() const { return _user_value; }
void set_list(boost::shared_ptr<ControlList>);
inline const Parameter& parameter() const { return _parameter; }
+ /** Emitted when the our ControlList is marked dirty */
+ PBD::Signal0<void> ListMarkedDirty;
+
protected:
Parameter _parameter;
boost::shared_ptr<ControlList> _list;
- float _user_value;
+ double _user_value;
+ PBD::ScopedConnection _list_marked_dirty_connection;
+
+private:
+ void list_marked_dirty ();
};
} // namespace Evoral