1/* This file is part of the KDE libraries
2 Copyright (C) 2006,2007 Andreas Hartmetz (ahartmetz@gmail.com)
3
4 This library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public
6 License as published by the Free Software Foundation; either
7 version 2 of the License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Library General Public License
15 along with this library; see the file COPYING.LIB. If not, write to
16 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 Boston, MA 02110-1301, USA.
18*/
19
20#ifndef KGESTUREMAP_H
21#define KGESTUREMAP_H
22
23#include <QtCore/QObject>
24#include <QtCore/QHash>
25#include <QTimer>
26#include <QPolygon>
27
28#include "kgesture.h"
29
30class KApplication;
31class KAction;
32class QEvent;
33
34class KGestureMap : public QObject
35{
36 Q_OBJECT
37public:
38 static KGestureMap *self();
39
40 virtual bool eventFilter(QObject *obj, QEvent *e);
41 void addGesture(const KShapeGesture &gesture, KAction *kact);
42 void addGesture(const KRockerGesture &gesture, KAction *kact);
43 void removeGesture(const KShapeGesture &gesture, KAction *kact);
44 void removeGesture(const KRockerGesture &gesture, KAction *kact);
45 KAction *findAction(const KShapeGesture &gesture) const;
46 KAction *findAction(const KRockerGesture &gesture) const;
47
48private Q_SLOTS:
49 void stopAcquisition();
50
51private:
52 friend class KGestureMapContainer;
53 KGestureMap();
54 virtual ~KGestureMap();
55
56 friend class KApplicationPrivate;
57 //intended to be used at application initialization
58 void installEventFilterOnMe(KApplication *app);
59
60 inline int bitCount(int n);
61 void handleAction(KAction *kact);
62 void matchShapeGesture();
63
64 //this is an internal class so don't bother with a d-pointer
65 QHash<KShapeGesture, KAction *> m_shapeGestures;
66 QHash<KRockerGesture, KAction *> m_rockerGestures;
67 QPolygon m_points;
68 QTimer m_gestureTimeout;
69 bool m_acquiring;
70
71 KShapeGesture m_shapeGesture;
72 KRockerGesture m_rockerGesture;
73};
74
75#endif //KGESTUREMAP_H
76