ardour/libs/ardour/ardour/control_group.h

118 lines
3.1 KiB
C++

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