qflickgesture_p.h

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// Copyright (C) 2016 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 QFLICKGESTURE_P_H
#define QFLICKGESTURE_P_H
 
//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of other Qt classes.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
 
#include <QtWidgets/private/qtwidgetsglobal_p.h>
#include "qevent.h"
#include "qgesturerecognizer.h"
#include "private/qgesture_p.h"
#include "qscroller.h"
 
#include <QtCore/qpointer.h>
#include "qscopedpointer.h"
 
#ifndef QT_NO_GESTURES
 
QT_BEGIN_NAMESPACE
 
class QFlickGesturePrivate;
class QGraphicsItem;
 
class Q_WIDGETS_EXPORT QFlickGesture : public QGesture
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QFlickGesture)
 
public:
    QFlickGesture(QObject *receiver, Qt::MouseButton button, QObject *parent = nullptr);
    ~QFlickGesture();
 
    friend class QFlickGestureRecognizer;
};
 
class QFlickGesturePrivate : public QGesturePrivate
{
    Q_DECLARE_PUBLIC(QFlickGesture)
public:
    QFlickGesturePrivate();
 
    QPointer<QObject> receiver;
    QScroller *receiverScroller;
    Qt::MouseButton button; // NoButton == Touch
    bool macIgnoreWheel;
};
 
class QFlickGestureRecognizer : public QGestureRecognizer
{
public:
    QFlickGestureRecognizer(Qt::MouseButton button);
 
    QGesture *create(QObject *target) override;
    QGestureRecognizer::Result recognize(QGesture *state, QObject *watched, QEvent *event) override;
    void reset(QGesture *state) override;
 
private:
    Qt::MouseButton button; // NoButton == Touch
};
 
QT_END_NAMESPACE
 
#endif // QT_NO_GESTURES
 
#endif // QFLICKGESTURE_P_H