src/quick/handlers/qquicksinglepointhandler_p.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

#ifndef QQUICKPOINTERSINGLEHANDLER_H
#define QQUICKPOINTERSINGLEHANDLER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include "qquickhandlerpoint_p.h"
#include "qquickpointerdevicehandler_p.h"

QT_BEGIN_NAMESPACE

class QQuickSinglePointHandlerPrivate;

class Q_QUICK_EXPORT QQuickSinglePointHandler : public QQuickPointerDeviceHandler
{
    Q_OBJECT
    Q_PROPERTY(QQuickHandlerPoint point READ point NOTIFY pointChanged)

public:
    explicit QQuickSinglePointHandler(QQuickItem *parent = nullptr);

    QQuickHandlerPoint point() const;

Q_SIGNALS:
    void pointChanged();

protected:
    QQuickSinglePointHandler(QQuickSinglePointHandlerPrivate &dd, QQuickItem *parent);

    bool wantsPointerEvent(QPointerEvent *event) override;
    void handlePointerEventImpl(QPointerEvent *event) override;
    virtual void handleEventPoint(QPointerEvent *event, QEventPoint &point);

    QEventPoint &currentPoint(QPointerEvent *ev);
    void onGrabChanged(QQuickPointerHandler *grabber, QPointingDevice::GrabTransition transition, QPointerEvent *event, QEventPoint &point) override;

    void setIgnoreAdditionalPoints(bool v = true);

    void moveTarget(QPointF pos, QEventPoint &point);

    void setPointId(int id);

    Q_DECLARE_PRIVATE(QQuickSinglePointHandler)
};

QT_END_NAMESPACE

#endif // QQUICKPOINTERSINGLEHANDLER_H