ardour/libs/ardour/ardour/pannable.h

101 lines
3.0 KiB
C++

/*
* Copyright (C) 2011-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
*
* 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_pannable_h__
#define __libardour_pannable_h__
#include <memory>
#include <string>
#include "pbd/stateful.h"
#include "evoral/Parameter.h"
#include "ardour/automatable.h"
#include "ardour/session_handle.h"
namespace ARDOUR {
class Session;
class AutomationControl;
class Panner;
class LIBARDOUR_API Pannable : public PBD::Stateful, public Automatable, public SessionHandleRef
{
public:
Pannable (Session& s, Temporal::TimeDomainProvider const &);
~Pannable ();
std::shared_ptr<AutomationControl> pan_azimuth_control;
std::shared_ptr<AutomationControl> pan_elevation_control;
std::shared_ptr<AutomationControl> pan_width_control;
std::shared_ptr<AutomationControl> pan_frontback_control;
std::shared_ptr<AutomationControl> pan_lfe_control;
std::shared_ptr<Panner> panner() const { return _panner.lock(); }
void set_panner(std::shared_ptr<Panner>);
const std::set<Evoral::Parameter>& what_can_be_automated() const;
void set_automation_state (AutoState);
AutoState automation_state() const { return _auto_state; }
PBD::Signal1<void, AutoState> automation_state_changed;
bool automation_playback() const {
return (_auto_state & Play) || ((_auto_state & (Touch | Latch)) && !touching());
}
bool automation_write () const {
return ((_auto_state & Write) || ((_auto_state & (Touch | Latch)) && touching()));
}
void start_touch (timepos_t const & when);
void stop_touch (timepos_t const & when);
bool touching() const { return _touching.load(); }
bool writing() const { return _auto_state == Write; }
bool touch_enabled() const { return _auto_state & (Touch | Latch); }
XMLNode& get_state () const;
int set_state (const XMLNode&, int version);
bool has_state() const { return _has_state; }
void start_domain_bounce (Temporal::DomainBounceInfo&);
void finish_domain_bounce (Temporal::DomainBounceInfo&);
protected:
virtual XMLNode& state () const;
std::weak_ptr<Panner> _panner;
AutoState _auto_state;
bool _has_state;
uint32_t _responding_to_control_auto_state_change;
std::atomic<int> _touching;
void control_auto_state_changed (AutoState);
private:
void value_changed ();
};
} // namespace
#endif /* __libardour_pannable_h__ */