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/client/event.h> // member
23 :
24 : namespace eq
25 : {
26 : /** Base class for window system-specific event handlers */
27 : class EventHandler
28 : {
29 : protected:
30 : /** Construct a new event handler. @version 1.0 */
31 15 : EventHandler() {}
32 :
33 : /** Destruct the event handler. @version 1.0 */
34 15 : virtual ~EventHandler(){}
35 :
36 : /**
37 : * @internal
38 : * Compute the mouse move delta from the previous pointer event.
39 : */
40 : EQ_API void _computePointerDelta( Event& event );
41 :
42 : private:
43 : /** The previous pointer event to compute mouse movement deltas. */
44 : Event _lastPointerEvent;
45 : };
46 : }
47 :
48 : #endif // EQ_EVENTHANDLER_H
49 :
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