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39
40#ifndef QQUICKHOVERHANDLER_H
41#define QQUICKHOVERHANDLER_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 purely as an
48// implementation detail. 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 "qquickitem.h"
55#include "qevent.h"
56#include "qquicksinglepointhandler_p.h"
57#include <QtCore/qbasictimer.h>
58
59QT_BEGIN_NAMESPACE
60
61class Q_QUICK_PRIVATE_EXPORT QQuickHoverHandler : public QQuickSinglePointHandler
62{
63 Q_OBJECT
64 Q_PROPERTY(bool hovered READ isHovered NOTIFY hoveredChanged)
65 QML_NAMED_ELEMENT(HoverHandler)
66 QML_ADDED_IN_MINOR_VERSION(12)
67
68public:
69 explicit QQuickHoverHandler(QQuickItem *parent = nullptr);
70 ~QQuickHoverHandler();
71
72 bool isHovered() const { return m_hovered; }
73
74Q_SIGNALS:
75 void hoveredChanged();
76
77protected:
78 void componentComplete() override;
79 bool wantsPointerEvent(QQuickPointerEvent *event) override;
80 void handleEventPoint(QQuickEventPoint *point) override;
81 void onGrabChanged(QQuickPointerHandler *grabber, QQuickEventPoint::GrabTransition transition, QQuickEventPoint *point) override;
82
83private:
84 void setHovered(bool hovered);
85
86private:
87 bool m_hovered = false;
88 bool m_hoveredTablet = false;
89};
90
91QT_END_NAMESPACE
92
93QML_DECLARE_TYPE(QQuickHoverHandler)
94
95#endif // QQUICKHOVERHANDLER_H
96

source code of qtdeclarative/src/quick/handlers/qquickhoverhandler_p.h