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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtSensors module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWFLICKSENSORGESTURERECOGNIZER_H
#define QWFLICKSENSORGESTURERECOGNIZER_H
#include <QtSensors/qsensorgesturerecognizer.h>
#include <QtSensors/QAccelerometer>
#include <QtSensors/QOrientationSensor>
#include "qtsensorgesturesensorhandler.h"
QT_BEGIN_NAMESPACE
struct twistAccelData {
qreal x;
qreal y;
qreal z;
};
class QTwistSensorGestureRecognizer : public QSensorGestureRecognizer
{
Q_OBJECT
public:
explicit QTwistSensorGestureRecognizer(QObject *parent = 0);
~QTwistSensorGestureRecognizer();
void create() Q_DECL_OVERRIDE;
QString id() const Q_DECL_OVERRIDE;
bool start() Q_DECL_OVERRIDE;
bool stop() Q_DECL_OVERRIDE;
bool isActive() Q_DECL_OVERRIDE;
Q_SIGNALS:
void twistLeft();
void twistRight();
private slots:
void accelChanged(QAccelerometerReading *reading);
void orientationReadingChanged(QOrientationReading *reading);
void checkTwist();
private:
QOrientationReading *orientationReading;
bool active;
bool detecting;
QList <twistAccelData> dataList;
bool checking;
void reset();
bool checkOrientation();
int increaseCount;
int decreaseCount;
qreal lastAngle;
QList <QOrientationReading::Orientation> orientationList;
qreal detectedAngle;
};
QT_END_NAMESPACE
#endif // QWFLICKSENSORGESTURERECOGNIZER_H
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