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/*
Copyright (C) 2007 Paul Davis
Author: David Robillard
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_automation_control_h__
#define __ardour_automation_control_h__
#include <map>
#include <glibmm/threads.h>
#include <boost/shared_ptr.hpp>
#include <boost/enable_shared_from_this.hpp>
#include "pbd/controllable.h"
#include "evoral/types.hpp"
#include "evoral/Control.hpp"
#include "ardour/automation_list.h"
#include "ardour/control_group_member.h"
#include "ardour/parameter_descriptor.h"
#include "ardour/libardour_visibility.h"
namespace ARDOUR {
class Session;
class Automatable;
class ControlGroup;
/** A PBD::Controllable with associated automation data (AutomationList)
*/
class LIBARDOUR_API AutomationControl
: public PBD::Controllable
, public Evoral::Control
, public boost::enable_shared_from_this<AutomationControl>
, public ControlGroupMember
{
public:
AutomationControl(ARDOUR::Session&,
const Evoral::Parameter& parameter,
const ParameterDescriptor& desc,
boost::shared_ptr<ARDOUR::AutomationList> l=boost::shared_ptr<ARDOUR::AutomationList>(),
const std::string& name="",
PBD::Controllable::Flag flags=PBD::Controllable::Flag (0)
);
~AutomationControl ();
boost::shared_ptr<AutomationList> alist() const {
return boost::dynamic_pointer_cast<AutomationList>(_list);
}
void set_list (boost::shared_ptr<Evoral::ControlList>);
inline bool automation_playback() const {
return alist() ? alist()->automation_playback() : false;
}
inline bool automation_write() const {
return alist() ? alist()->automation_write() : false;
}
inline AutoState automation_state() const {
return alist() ? alist()->automation_state() : Off;
}
inline AutoStyle automation_style() const {
return alist() ? alist()->automation_style() : Absolute;
}
void set_automation_state(AutoState as);
void set_automation_style(AutoStyle as);
void start_touch(double when);
void stop_touch(bool mark, double when);
/* inherited from PBD::Controllable.
*/
double get_value () const;
/* inherited from PBD::Controllable.
* Derived classes MUST call ::writable() to verify
* that writing to the parameter is legal at that time.
*/
void set_value (double value, PBD::Controllable::GroupControlDisposition group_override);
/* automation related value setting */
virtual bool writable () const;
/* Call to ::set_value() with no test for writable() because
* this is only used by automation playback.
*/
void set_value_unchecked (double val) {
actually_set_value (val, PBD::Controllable::NoGroup);
}
double lower() const { return _desc.lower; }
double upper() const { return _desc.upper; }
double normal() const { return _desc.normal; }
bool toggled() const { return _desc.toggled; }
double internal_to_interface (double i) const;
double interface_to_internal (double i) const;
const ParameterDescriptor& desc() const { return _desc; }
const ARDOUR::Session& session() const { return _session; }
void commit_transaction (bool did_write);
protected:
ARDOUR::Session& _session;
boost::shared_ptr<ControlGroup> _group;
const ParameterDescriptor _desc;
bool check_rt (double val, Controllable::GroupControlDisposition gcd);
/* derived classes may reimplement this, but should either
call this explicitly inside their version OR make sure that the
Controllable::Changed signal is emitted when necessary.
*/
virtual void actually_set_value (double value, PBD::Controllable::GroupControlDisposition);
/* Session needs to call this method before it queues up the real
change for execution in a realtime context. C++ access control sucks.
*/
friend class Session;
virtual void do_pre_realtime_queue_stuff (double new_value) {}
private:
/* I am unclear on why we have to make ControlGroup a friend in order
to get access to the ::set_group() method when it is already
declared to be a friend in ControlGroupMember. Oh well.
*/
friend class ControlGroup;
void set_group (boost::shared_ptr<ControlGroup>);
};
} // namespace ARDOUR
#endif /* __ardour_automation_control_h__ */
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