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/*
Copyright (C) 2002 Paul Davis
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_event_h__
#define __ardour_automation_event_h__
#include <stdint.h>
#include <list>
#include <cmath>
#include <glibmm/thread.h>
#include "pbd/undo.h"
#include "pbd/xml++.h"
#include "pbd/statefuldestructible.h"
#include "ardour/ardour.h"
#include "evoral/ControlList.hpp"
namespace ARDOUR {
class AutomationList : public PBD::StatefulDestructible, public Evoral::ControlList
{
public:
AutomationList (Evoral::Parameter id);
AutomationList (const XMLNode&, Evoral::Parameter id);
AutomationList (const AutomationList&);
AutomationList (const AutomationList&, double start, double end);
~AutomationList();
virtual boost::shared_ptr<Evoral::ControlList> create(Evoral::Parameter id);
AutomationList& operator= (const AutomationList&);
bool operator== (const AutomationList&);
void thaw ();
void set_automation_state (AutoState);
AutoState automation_state() const { return _state; }
PBD::Signal1<void, AutoState> automation_state_changed;
void set_automation_style (AutoStyle m);
AutoStyle automation_style() const { return _style; }
PBD::Signal0<void> automation_style_changed;
bool automation_playback() const {
return (_state & Play) || ((_state & Touch) && !touching());
}
bool automation_write () const {
return ((_state & Write) || ((_state & Touch) && touching()));
}
PBD::Signal0<void> StateChanged;
static PBD::Signal1<void,AutomationList*> AutomationListCreated;
void start_touch (double when);
void stop_touch (bool mark, double when);
bool touching() const { return g_atomic_int_get (&_touching); }
bool writing() const { return _state == Write; }
bool touch_enabled() const { return _state == Touch; }
XMLNode& get_state ();
int set_state (const XMLNode &, int version);
XMLNode& state (bool full);
XMLNode& serialize_events ();
private:
void create_curve_if_necessary ();
int deserialize_events (const XMLNode&);
void maybe_signal_changed ();
AutoState _state;
AutoStyle _style;
gint _touching;
};
} // namespace
#endif /* __ardour_automation_event_h__ */
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