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40 | ****************************************************************************/ |
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 | |
50 | QT_BEGIN_HEADER |
51 | |
52 | QT_BEGIN_NAMESPACE |
53 | |
54 | QT_MODULE(Gui) |
55 | |
56 | class QObject; |
57 | class QEvent; |
58 | class QGesture; |
59 | class Q_GUI_EXPORT QGestureRecognizer |
60 | { |
61 | public: |
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 | |
94 | Q_DECLARE_OPERATORS_FOR_FLAGS(QGestureRecognizer::Result) |
95 | |
96 | QT_END_NAMESPACE |
97 | |
98 | QT_END_HEADER |
99 | |
100 | #endif // QT_NO_GESTURES |
101 | |
102 | #endif // QGESTURERECOGNIZER_H |
103 | |