110 lines
2.8 KiB
C++
110 lines
2.8 KiB
C++
/*
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* Copyright (C) 2016-2017 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 __libardour_control_group_h__
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#define __libardour_control_group_h__
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#include <map>
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#include <vector>
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#include <boost/shared_ptr.hpp>
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#include <boost/enable_shared_from_this.hpp>
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#include <glibmm/threads.h>
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#include "pbd/controllable.h"
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#include "evoral/Parameter.h"
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#include "ardour/automation_control.h"
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#include "ardour/types.h"
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namespace ARDOUR {
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class LIBARDOUR_API ControlGroup : public boost::enable_shared_from_this<ControlGroup>
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{
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public:
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ControlGroup (Evoral::Parameter p);
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virtual ~ControlGroup ();
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enum Mode {
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Relative = 0x1,
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Inverted = 0x2,
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};
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int add_control (boost::shared_ptr<AutomationControl>);
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int remove_control (boost::shared_ptr<AutomationControl>);
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ControlList controls () const;
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void clear ();
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void set_active (bool);
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bool active() const { return _active; }
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void set_mode (Mode m);
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Mode mode () const { return _mode; }
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Evoral::Parameter parameter() const { return _parameter; }
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virtual void set_group_value (boost::shared_ptr<AutomationControl>, double val);
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virtual void pre_realtime_queue_stuff (double val);
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bool use_me (PBD::Controllable::GroupControlDisposition gcd) const {
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switch (gcd) {
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case PBD::Controllable::ForGroup:
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return false;
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case PBD::Controllable::NoGroup:
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return false;
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case PBD::Controllable::InverseGroup:
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return !_active;
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default:
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return _active;
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}
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}
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protected:
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typedef std::map<PBD::ID,boost::shared_ptr<AutomationControl> > ControlMap;
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Evoral::Parameter _parameter;
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mutable Glib::Threads::RWLock controls_lock;
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ControlMap _controls;
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bool _active;
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Mode _mode;
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PBD::ScopedConnectionList member_connections;
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bool propagating;
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void control_going_away (boost::weak_ptr<AutomationControl>);
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};
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class LIBARDOUR_API GainControlGroup : public ControlGroup
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{
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public:
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GainControlGroup();
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void set_group_value (boost::shared_ptr<AutomationControl>, double val);
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private:
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gain_t get_max_factor (gain_t);
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gain_t get_min_factor (gain_t);
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};
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} /* namespace */
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#endif /* __libardour_control_group_h__ */
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