qgesturerecognizer.h 3.1 KB

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  39. #ifndef QGESTURERECOGNIZER_H
  40. #define QGESTURERECOGNIZER_H
  41. #include <QtCore/qglobal.h>
  42. #include <QtCore/qnamespace.h>
  43. #ifndef QT_NO_GESTURES
  44. QT_BEGIN_NAMESPACE
  45. class QObject;
  46. class QEvent;
  47. class QGesture;
  48. class Q_WIDGETS_EXPORT QGestureRecognizer
  49. {
  50. public:
  51. enum ResultFlag
  52. {
  53. Ignore = 0x0001,
  54. MayBeGesture = 0x0002,
  55. TriggerGesture = 0x0004,
  56. FinishGesture = 0x0008,
  57. CancelGesture = 0x0010,
  58. ResultState_Mask = 0x00ff,
  59. ConsumeEventHint = 0x0100,
  60. // StoreEventHint = 0x0200,
  61. // ReplayStoredEventsHint = 0x0400,
  62. // DiscardStoredEventsHint = 0x0800,
  63. ResultHint_Mask = 0xff00
  64. };
  65. Q_DECLARE_FLAGS(Result, ResultFlag)
  66. QGestureRecognizer();
  67. virtual ~QGestureRecognizer();
  68. virtual QGesture *create(QObject *target);
  69. virtual Result recognize(QGesture *state, QObject *watched,
  70. QEvent *event) = 0;
  71. virtual void reset(QGesture *state);
  72. static Qt::GestureType registerRecognizer(QGestureRecognizer *recognizer);
  73. static void unregisterRecognizer(Qt::GestureType type);
  74. };
  75. Q_DECLARE_OPERATORS_FOR_FLAGS(QGestureRecognizer::Result)
  76. QT_END_NAMESPACE
  77. #endif // QT_NO_GESTURES
  78. #endif // QGESTURERECOGNIZER_H