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+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtQuick module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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 "qquickpointerdevicehandler_p.h"
+
+QT_BEGIN_NAMESPACE
+
+class QQuickSinglePointHandler;
+
+class Q_QUICK_PRIVATE_EXPORT QQuickHandlerPoint {
+    Q_GADGET
+    Q_PROPERTY(int id READ id)
+    Q_PROPERTY(QPointingDeviceUniqueId uniqueId READ uniqueId)
+    Q_PROPERTY(QPointF position READ position)
+    Q_PROPERTY(QPointF scenePosition READ scenePosition)
+    Q_PROPERTY(QPointF pressPosition READ pressPosition)
+    Q_PROPERTY(QPointF scenePressPosition READ scenePressPosition)
+    Q_PROPERTY(QPointF sceneGrabPosition READ sceneGrabPosition)
+    Q_PROPERTY(Qt::MouseButtons pressedButtons READ pressedButtons)
+    Q_PROPERTY(QVector2D velocity READ velocity)
+    Q_PROPERTY(qreal rotation READ rotation)
+    Q_PROPERTY(qreal pressure READ pressure)
+    Q_PROPERTY(QSizeF ellipseDiameters READ ellipseDiameters)
+
+public:
+    QQuickHandlerPoint();
+
+    int id() const { return m_id; }
+    Qt::MouseButtons pressedButtons() const { return m_pressedButtons; }
+    QPointF pressPosition() const { return m_pressPosition; }
+    QPointF scenePressPosition() const { return m_scenePressPosition; }
+    QPointF sceneGrabPosition() const { return m_sceneGrabPosition; }
+    QPointF position() const { return m_position; }
+    QPointF scenePosition() const { return m_scenePosition; }
+    QVector2D velocity() const { return m_velocity; }
+    qreal rotation() const { return m_rotation; }
+    qreal pressure() const { return m_pressure; }
+    QSizeF ellipseDiameters() const { return m_ellipseDiameters; }
+    QPointingDeviceUniqueId uniqueId() const { return m_uniqueId; }
+
+private:
+    void reset();
+    int m_id;
+    QPointingDeviceUniqueId m_uniqueId;
+    Qt::MouseButtons m_pressedButtons;
+    QPointF m_position;
+    QPointF m_scenePosition;
+    QPointF m_pressPosition;
+    QPointF m_scenePressPosition;
+    QPointF m_sceneGrabPosition;
+    QVector2D m_velocity;
+    qreal m_rotation;
+    qreal m_pressure;
+    QSizeF m_ellipseDiameters;
+    friend class QQuickSinglePointHandler;
+};
+
+class Q_QUICK_PRIVATE_EXPORT QQuickSinglePointHandler : public QQuickPointerDeviceHandler
+{
+    Q_OBJECT
+    Q_PROPERTY(Qt::MouseButtons acceptedButtons READ acceptedButtons WRITE setAcceptedButtons NOTIFY acceptedButtonsChanged)
+    Q_PROPERTY(QQuickHandlerPoint point READ point NOTIFY pointChanged)
+public:
+    explicit QQuickSinglePointHandler(QObject *parent = 0);
+    virtual ~QQuickSinglePointHandler() { }
+
+    Qt::MouseButtons acceptedButtons() const { return m_acceptedButtons; }
+    void setAcceptedButtons(Qt::MouseButtons buttons);
+
+    QQuickHandlerPoint point() const { return m_pointInfo; }
+
+Q_SIGNALS:
+    void pointChanged();
+    void singlePointGrabChanged(); // QQuickPointerHandler::grabChanged signal can't be a property notifier here
+    void acceptedButtonsChanged();
+
+protected:
+    bool wantsPointerEvent(QQuickPointerEvent *event) override;
+    virtual bool wantsEventPoint(QQuickEventPoint *point);
+    void handlePointerEventImpl(QQuickPointerEvent *event) override;
+    virtual void handleEventPoint(QQuickEventPoint *point) = 0;
+
+    QQuickEventPoint *currentPoint(QQuickPointerEvent *ev) { return ev->pointById(m_pointInfo.m_id); }
+    void onGrabChanged(QQuickPointerHandler *grabber, QQuickEventPoint::GrabState stateChange, QQuickEventPoint *point) override;
+
+    void setIgnoreAdditionalPoints(bool v = true);
+
+    void moveTarget(QPointF pos, QQuickEventPoint *point);
+
+private:
+    void reset();
+
+private:
+    QQuickHandlerPoint m_pointInfo;
+    Qt::MouseButtons m_acceptedButtons;
+    bool m_ignoreAdditionalPoints : 1;
+};
+
+QT_END_NAMESPACE
+
+QML_DECLARE_TYPE(QQuickHandlerPoint)
+QML_DECLARE_TYPE(QQuickSinglePointHandler)
+
+#endif // QQUICKPOINTERSINGLEHANDLER_H