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-rw-r--r--src/plugins/sensorgestures/shake/qshakerecognizer.cpp160
1 files changed, 0 insertions, 160 deletions
diff --git a/src/plugins/sensorgestures/shake/qshakerecognizer.cpp b/src/plugins/sensorgestures/shake/qshakerecognizer.cpp
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--- a/src/plugins/sensorgestures/shake/qshakerecognizer.cpp
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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.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <QDebug>
-#include <QTimer>
-
-#include "qshakerecognizer.h"
-
-QShakeSensorGestureRecognizer::QShakeSensorGestureRecognizer(QObject *parent)
- : QSensorGestureRecognizer(parent)
- , timerTimeout(450)
- , active(0)
- , shaking(0)
- , shakeCount(0)
-{
-}
-
-QShakeSensorGestureRecognizer::~QShakeSensorGestureRecognizer()
-{
-}
-
-void QShakeSensorGestureRecognizer::create()
-{
- accel = new QAccelerometer(this);
- accel->connectToBackend();
- accel->setDataRate(50);
-
- qoutputrangelist outputranges = accel->outputRanges();
-
- if (outputranges.count() > 0)
- accelRange = (int)(outputranges.at(0).maximum *2) / 9.8; //approx range in g's
- else
- accelRange = 4; //this should never happen
-
- connect(accel,SIGNAL(readingChanged()),this,SLOT(accelChanged()));
- timer = new QTimer(this);
- connect(timer,SIGNAL(timeout()),this,SLOT(timeout()));
- timer->setSingleShot(true);
- timer->setInterval(timerTimeout);
-}
-
-bool QShakeSensorGestureRecognizer::start()
-{
- active = accel->start();
- return active;
-}
-
-bool QShakeSensorGestureRecognizer::stop()
-{
- accel->stop();
- active = accel->isActive();
- return !active;
-}
-
-bool QShakeSensorGestureRecognizer::isActive()
-{
- return active;
-}
-
-QString QShakeSensorGestureRecognizer::id() const
-{
- return QString("QtSensors.shake");
-}
-
-#define NUMBER_SHAKES 3
-#define THRESHOLD 25
-
-void QShakeSensorGestureRecognizer::accelChanged()
-{
- qreal x = accel->reading()->x();
- qreal y = accel->reading()->y();
- qreal z = accel->reading()->z();
-
- currentData.x = x;
- currentData.y = y;
- currentData.z = z;
-
- if (qAbs(prevData.x - currentData.x) < 1
- && qAbs(prevData.y - currentData.y) < 1
- && qAbs(prevData.z - currentData.z) < 1) {
- prevData.x = currentData.x;
- prevData.y = currentData.y;
- prevData.z = currentData.z;
- return;
- }
-
- bool wasShake = checkForShake(prevData, currentData, THRESHOLD);
- if (!shaking && wasShake &&
- shakeCount >= NUMBER_SHAKES) {
- shaking = true;
- shakeCount = 0;
- Q_EMIT shake();
- Q_EMIT detected("shake");
-
- } else if (wasShake) {
-
- shakeCount++;
- if (shakeCount > NUMBER_SHAKES) {
- timer->start();
- }
- }
-
- prevData.x = currentData.x;
- prevData.y = currentData.y;
- prevData.z = currentData.z;
-}
-
-void QShakeSensorGestureRecognizer::timeout()
-{
- shakeCount = 0;
- shaking = false;
-}
-
-bool QShakeSensorGestureRecognizer::checkForShake(AccelData prevSensorData, AccelData currentSensorData, qreal threshold)
-{
- double deltaX = qAbs(prevSensorData.x - currentSensorData.x);
- double deltaY = qAbs(prevSensorData.y - currentSensorData.y);
- double deltaZ = qAbs(prevSensorData.z - currentSensorData.z);
-
- return (deltaX > threshold
- || deltaY > threshold
- || deltaZ > threshold);
-}
-