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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtSensors 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 QSHAKERECOGNIZER_H
#define QSHAKERECOGNIZER_H
#include <QtSensors/QSensor>
#include <QtSensors/QAccelerometer>
#include <QtSensors/QAccelerometerFilter>
#include <QDebug>
#include <QTimer>
#include <QtSensors/qsensorgesturerecognizer.h>
struct AccelData {
qreal x;
qreal y;
qreal z;
};
class QShakeSensorGestureRecognizer : public QSensorGestureRecognizer
{
Q_OBJECT
public:
QShakeSensorGestureRecognizer(QObject *parent = 0);
~QShakeSensorGestureRecognizer();
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;
QTimer *timer;
int timerTimeout;
Q_SIGNALS:
void shake();
private slots:
void accelChanged();
void timeout();
private:
QAccelerometer *accel;
bool active;
int accelRange;
AccelData prevData;
AccelData currentData;
bool checkForShake(AccelData prevSensorData, AccelData currentSensorData, qreal threshold);
bool shaking;
int shakeCount;
int threshold;
};
#endif // QSHAKERECOGNIZER_H
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