83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
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* Copyright (C) 2008-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2010-2013 Paul Davis <paul@linuxaudiosystems.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef EVORAL_CONTROL_HPP
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#define EVORAL_CONTROL_HPP
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#include <set>
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#include <map>
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#include <boost/shared_ptr.hpp>
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#include "pbd/signals.h"
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#include "temporal/timeline.h"
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#include "evoral/visibility.h"
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#include "evoral/ControlList.h"
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#include "evoral/Parameter.h"
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#include "evoral/ParameterDescriptor.h"
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namespace Evoral {
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struct ParameterDescriptor;
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class Transport;
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class TypeMap;
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/** Base class representing some kind of (automatable) control; a fader's gain,
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* for example, or a compressor plugin's threshold.
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*
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* The class knows the Evoral::Parameter that it is controlling, and has
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* a list of values for automation.
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*/
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class LIBEVORAL_API Control
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{
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public:
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Control (const Parameter& parameter,
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const ParameterDescriptor& desc,
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boost::shared_ptr<ControlList> list);
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virtual ~Control() {}
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virtual void set_double (double val, Temporal::timepos_t const & when = Temporal::timepos_t (), bool to_list = false);
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virtual double get_double () const { return _user_value; }
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void set_list(boost::shared_ptr<ControlList>);
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boost::shared_ptr<ControlList> list() { return _list; }
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boost::shared_ptr<const ControlList> list() const { return _list; }
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inline const Parameter& parameter() const { return _parameter; }
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/** Emitted when the our ControlList is marked dirty */
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PBD::Signal0<void> ListMarkedDirty;
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protected:
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Parameter _parameter;
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boost::shared_ptr<ControlList> _list;
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double _user_value;
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PBD::ScopedConnection _list_marked_dirty_connection;
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private:
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void list_marked_dirty ();
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};
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} // namespace Evoral
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#endif // EVORAL_CONTROL_HPP
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