root/OpenSceneGraph/trunk/include/osgGA/Device @ 13429

Revision 13429, 2.0 kB (checked in by robert, 25 hours ago)

Release OpenSceneGraph-3.3.3

Line 
1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGGA_EVENTSOURCE
15#define OSGGA_EVENTSOURCE 1
16
17#include <osgGA/EventQueue>
18
19namespace osgGA {
20
21/**
22 * Device base class from abstracting away from devices/windows that can generate events.
23 */
24class OSGGA_EXPORT Device : public osg::Object
25{
26    public:
27        enum {
28            UNKNOWN         = 0,
29            RECEIVE_EVENTS  = 1,
30            SEND_EVENTS     = 2
31        } Capabilities;
32       
33        Device();
34        Device(const Device& es, const osg::CopyOp& copyop);
35
36        META_Object(osgGA,Device);
37       
38        int getCapabilities() const { return _capabilities; }
39   
40        virtual bool checkEvents() { return _eventQueue.valid() ? !(getEventQueue()->empty()) : false; }
41        virtual void sendEvent(const GUIEventAdapter& ea);
42        virtual void sendEvents(const EventQueue::Events& events);
43
44        void setEventQueue(osgGA::EventQueue* eventQueue) { _eventQueue = eventQueue; }
45        osgGA::EventQueue* getEventQueue() { return _eventQueue.get(); }
46        const osgGA::EventQueue* getEventQueue() const { return _eventQueue.get(); }
47
48    protected:
49        void setCapabilities(int capabilities) { _capabilities = capabilities; }
50       
51        virtual ~Device();
52
53        /** Prevent unwanted copy operator.*/
54        Device& operator = (const Device&) { return *this; }
55
56        osg::ref_ptr<osgGA::EventQueue> _eventQueue;
57   
58    private:   
59        int _capabilities;
60       
61};
62
63}
64
65#endif
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