Line data Source code
1 :
2 : /* Copyright (c) 2006-2011, Stefan Eilemann <eile@equalizergraphics.com>
3 : * 2014, Daniel Nachbaur <danielnachbaur@gmail.com>
4 : *
5 : * This library is free software; you can redistribute it and/or modify it under
6 : * the terms of the GNU Lesser General Public License version 2.1 as published
7 : * by the Free Software Foundation.
8 : *
9 : * This library is distributed in the hope that it will be useful, but WITHOUT
10 : * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11 : * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12 : * details.
13 : *
14 : * You should have received a copy of the GNU Lesser General Public License
15 : * along with this library; if not, write to the Free Software Foundation, Inc.,
16 : * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 : */
18 :
19 : #ifndef EQ_EVENTHANDLER_H
20 : #define EQ_EVENTHANDLER_H
21 :
22 : #include <eq/fabric/event.h> // member
23 : #include <eq/api.h>
24 : #include <eq/types.h>
25 :
26 : namespace eq
27 : {
28 : /** Base class for window system-specific event handlers */
29 : class EventHandler
30 : {
31 : protected:
32 : /** Construct a new event handler. @version 1.0 */
33 0 : EventHandler() {}
34 :
35 : /** Destruct the event handler. @version 1.0 */
36 0 : virtual ~EventHandler() {}
37 :
38 : /**
39 : * @internal
40 : * Compute the mouse move delta from the previous pointer event.
41 : */
42 : EQ_API void _computePointerDelta( Event& event );
43 :
44 : private:
45 : /** The previous pointer event to compute mouse movement deltas. */
46 : Event _lastPointerEvent;
47 : };
48 : }
49 :
50 : #endif // EQ_EVENTHANDLER_H
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