| 1 | // Copyright (C) 2018 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QQUICKPOINTERSINGLEHANDLER_H |
| 5 | #define QQUICKPOINTERSINGLEHANDLER_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include "qquickhandlerpoint_p.h" |
| 19 | #include "qquickpointerdevicehandler_p.h" |
| 20 | |
| 21 | QT_BEGIN_NAMESPACE |
| 22 | |
| 23 | class QQuickSinglePointHandlerPrivate; |
| 24 | |
| 25 | class Q_QUICK_PRIVATE_EXPORT QQuickSinglePointHandler : public QQuickPointerDeviceHandler |
| 26 | { |
| 27 | Q_OBJECT |
| 28 | Q_PROPERTY(QQuickHandlerPoint point READ point NOTIFY pointChanged FINAL) |
| 29 | |
| 30 | public: |
| 31 | explicit QQuickSinglePointHandler(QQuickItem *parent = nullptr); |
| 32 | |
| 33 | QQuickHandlerPoint point() const; |
| 34 | |
| 35 | Q_SIGNALS: |
| 36 | void pointChanged(); |
| 37 | |
| 38 | protected: |
| 39 | QQuickSinglePointHandler(QQuickSinglePointHandlerPrivate &dd, QQuickItem *parent); |
| 40 | |
| 41 | bool wantsPointerEvent(QPointerEvent *event) override; |
| 42 | void handlePointerEventImpl(QPointerEvent *event) override; |
| 43 | virtual void handleEventPoint(QPointerEvent *event, QEventPoint &point); |
| 44 | |
| 45 | QEventPoint ¤tPoint(QPointerEvent *ev); |
| 46 | void onGrabChanged(QQuickPointerHandler *grabber, QPointingDevice::GrabTransition transition, QPointerEvent *event, QEventPoint &point) override; |
| 47 | |
| 48 | void setIgnoreAdditionalPoints(bool v = true); |
| 49 | |
| 50 | void moveTarget(QPointF pos, QEventPoint &point); |
| 51 | |
| 52 | void setPointId(int id); |
| 53 | |
| 54 | Q_DECLARE_PRIVATE(QQuickSinglePointHandler) |
| 55 | }; |
| 56 | |
| 57 | QT_END_NAMESPACE |
| 58 | |
| 59 | #endif // QQUICKPOINTERSINGLEHANDLER_H |
| 60 |