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39
40#ifndef QFLICKGESTURE_P_H
41#define QFLICKGESTURE_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtWidgets/private/qtwidgetsglobal_p.h>
55#include "qevent.h"
56#include "qgesturerecognizer.h"
57#include "private/qgesture_p.h"
58#include "qscroller.h"
59#include "qscopedpointer.h"
60
61#ifndef QT_NO_GESTURES
62
63QT_BEGIN_NAMESPACE
64
65class QFlickGesturePrivate;
66class QGraphicsItem;
67
68class Q_WIDGETS_EXPORT QFlickGesture : public QGesture
69{
70 Q_OBJECT
71 Q_DECLARE_PRIVATE(QFlickGesture)
72
73public:
74 QFlickGesture(QObject *receiver, Qt::MouseButton button, QObject *parent = nullptr);
75 ~QFlickGesture();
76
77 friend class QFlickGestureRecognizer;
78};
79
80class QFlickGesturePrivate : public QGesturePrivate
81{
82 Q_DECLARE_PUBLIC(QFlickGesture)
83public:
84 QFlickGesturePrivate();
85
86 QPointer<QObject> receiver;
87 QScroller *receiverScroller;
88 Qt::MouseButton button; // NoButton == Touch
89 bool macIgnoreWheel;
90};
91
92class QFlickGestureRecognizer : public QGestureRecognizer
93{
94public:
95 QFlickGestureRecognizer(Qt::MouseButton button);
96
97 QGesture *create(QObject *target) override;
98 QGestureRecognizer::Result recognize(QGesture *state, QObject *watched, QEvent *event) override;
99 void reset(QGesture *state) override;
100
101private:
102 Qt::MouseButton button; // NoButton == Touch
103};
104
105QT_END_NAMESPACE
106
107#endif // QT_NO_GESTURES
108
109#endif // QFLICKGESTURE_P_H
110

source code of qtbase/src/widgets/util/qflickgesture_p.h