openscenegraph
MultiTouchTrackballManipulator
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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2010 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_MULTITOUCH_TRACKBALL_MANIPULATOR
15#define OSGGA_MULTITOUCH_TRACKBALL_MANIPULATOR 1
16
17#include <osgGA/TrackballManipulator>
18
19
20namespace osgGA {
21
22
23class OSGGA_EXPORT MultiTouchTrackballManipulator : public TrackballManipulator
24{
25 typedef TrackballManipulator inherited;
26
27 public:
28
29 MultiTouchTrackballManipulator( int flags = DEFAULT_SETTINGS );
30 MultiTouchTrackballManipulator( const MultiTouchTrackballManipulator& tm,
31 const osg::CopyOp& copyOp = osg::CopyOp::SHALLOW_COPY );
32
33 META_Object( osgGA, MultiTouchTrackballManipulator );
34
35 bool handle( const GUIEventAdapter& ea, GUIActionAdapter& us );
36
37 protected:
38
39 virtual void handleMultiTouchDrag(const GUIEventAdapter* now, const GUIEventAdapter* last, const double eventTimeDelta);
40
41 osg::ref_ptr<GUIEventAdapter> _lastEvent;
42};
43
44
45}
46
47#endif /* OSGGA_MULTITOUCH_TRACKBALL_MANIPULATOR */