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41
42#ifndef QGESTURERECOGNIZER_H
43#define QGESTURERECOGNIZER_H
44
45#include <QtCore/qglobal.h>
46#include <QtCore/qnamespace.h>
47
48#ifndef QT_NO_GESTURES
49
50QT_BEGIN_HEADER
51
52QT_BEGIN_NAMESPACE
53
54QT_MODULE(Gui)
55
56class QObject;
57class QEvent;
58class QGesture;
59class Q_GUI_EXPORT QGestureRecognizer
60{
61public:
62 enum ResultFlag
63 {
64 Ignore = 0x0001,
65
66 MayBeGesture = 0x0002,
67 TriggerGesture = 0x0004,
68 FinishGesture = 0x0008,
69 CancelGesture = 0x0010,
70
71 ResultState_Mask = 0x00ff,
72
73 ConsumeEventHint = 0x0100,
74 // StoreEventHint = 0x0200,
75 // ReplayStoredEventsHint = 0x0400,
76 // DiscardStoredEventsHint = 0x0800,
77
78 ResultHint_Mask = 0xff00
79 };
80 Q_DECLARE_FLAGS(Result, ResultFlag)
81
82 QGestureRecognizer();
83 virtual ~QGestureRecognizer();
84
85 virtual QGesture *create(QObject *target);
86 virtual Result recognize(QGesture *state, QObject *watched,
87 QEvent *event) = 0;
88 virtual void reset(QGesture *state);
89
90 static Qt::GestureType registerRecognizer(QGestureRecognizer *recognizer);
91 static void unregisterRecognizer(Qt::GestureType type);
92};
93
94Q_DECLARE_OPERATORS_FOR_FLAGS(QGestureRecognizer::Result)
95
96QT_END_NAMESPACE
97
98QT_END_HEADER
99
100#endif // QT_NO_GESTURES
101
102#endif // QGESTURERECOGNIZER_H
103