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39
40#ifndef QQUICKPOINTERSINGLEHANDLER_H
41#define QQUICKPOINTERSINGLEHANDLER_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 "qquickhandlerpoint_p.h"
55#include "qquickpointerdevicehandler_p.h"
56
57QT_BEGIN_NAMESPACE
58
59class QQuickSinglePointHandlerPrivate;
60
61class Q_QUICK_PRIVATE_EXPORT QQuickSinglePointHandler : public QQuickPointerDeviceHandler
62{
63 Q_OBJECT
64 Q_PROPERTY(QQuickHandlerPoint point READ point NOTIFY pointChanged)
65
66public:
67 explicit QQuickSinglePointHandler(QQuickItem *parent = nullptr);
68
69 QQuickHandlerPoint point() const;
70
71Q_SIGNALS:
72 void pointChanged();
73
74protected:
75 QQuickSinglePointHandler(QQuickSinglePointHandlerPrivate &dd, QQuickItem *parent);
76
77 bool wantsPointerEvent(QQuickPointerEvent *event) override;
78 void handlePointerEventImpl(QQuickPointerEvent *event) override;
79 virtual void handleEventPoint(QQuickEventPoint *point) = 0;
80
81 QQuickEventPoint *currentPoint(QQuickPointerEvent *ev);
82 void onGrabChanged(QQuickPointerHandler *grabber, QQuickEventPoint::GrabTransition transition, QQuickEventPoint *point) override;
83
84 void setIgnoreAdditionalPoints(bool v = true);
85
86 void moveTarget(QPointF pos, QQuickEventPoint *point);
87
88 void setPointId(int id);
89
90 Q_DECLARE_PRIVATE(QQuickSinglePointHandler)
91};
92
93QT_END_NAMESPACE
94
95QML_DECLARE_TYPE(QQuickSinglePointHandler)
96
97#endif // QQUICKPOINTERSINGLEHANDLER_H
98