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eventQueue.h
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58 lines (46 loc) · 1.48 KB
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// Filename: eventQueue.h
// Created by: drose (08Feb99)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) Carnegie Mellon University. All rights reserved.
//
// All use of this software is subject to the terms of the revised BSD
// license. You should have received a copy of this license along
// with this source code in a file named "LICENSE."
//
////////////////////////////////////////////////////////////////////
#ifndef EVENTQUEUE_H
#define EVENTQUEUE_H
#include "pandabase.h"
#include "event.h"
#include "pt_Event.h"
#include "lightMutex.h"
#include "pdeque.h"
////////////////////////////////////////////////////////////////////
// Class : EventQueue
// Description : A queue of pending events. As events are thrown,
// they are added to this queue; eventually, they will
// be extracted out again by an EventHandler and
// processed.
////////////////////////////////////////////////////////////////////
class EXPCL_PANDA_EVENT EventQueue {
PUBLISHED:
EventQueue();
~EventQueue();
void queue_event(CPT_Event event);
void clear();
bool is_queue_empty() const;
bool is_queue_full() const;
CPT_Event dequeue_event();
INLINE static EventQueue *get_global_event_queue();
private:
static void make_global_event_queue();
static EventQueue *_global_event_queue;
typedef pdeque<CPT_Event> Events;
Events _queue;
LightMutex _lock;
};
#include "eventQueue.I"
#endif