diff options
Diffstat (limited to 'src/plugins/sensorgestures/qtsensors/qfreefallsensorgesturerecognizer.cpp')
-rw-r--r-- | src/plugins/sensorgestures/qtsensors/qfreefallsensorgesturerecognizer.cpp | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qfreefallsensorgesturerecognizer.cpp b/src/plugins/sensorgestures/qtsensors/qfreefallsensorgesturerecognizer.cpp deleted file mode 100644 index d158e1f0..00000000 --- a/src/plugins/sensorgestures/qtsensors/qfreefallsensorgesturerecognizer.cpp +++ /dev/null @@ -1,123 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 Lorn Potter -** 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 <qmath.h> - -#include "qfreefallsensorgesturerecognizer.h" - -QT_BEGIN_NAMESPACE - -QFreefallSensorGestureRecognizer::QFreefallSensorGestureRecognizer(QObject *parent) - : QSensorGestureRecognizer(parent) - , active(0) - , detecting(0) -{ -} - -QFreefallSensorGestureRecognizer::~QFreefallSensorGestureRecognizer() -{ -} - -void QFreefallSensorGestureRecognizer::create() -{ -} - -QString QFreefallSensorGestureRecognizer::id() const -{ - return QString("QtSensors.freefall"); -} - -bool QFreefallSensorGestureRecognizer::start() -{ - if (QtSensorGestureSensorHandler::instance()->startSensor(QtSensorGestureSensorHandler::Accel)) { - active = true; - connect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - } else { - active = false; - } - return active; - -} - -bool QFreefallSensorGestureRecognizer::stop() -{ - QtSensorGestureSensorHandler::instance()->stopSensor(QtSensorGestureSensorHandler::Accel); - disconnect(QtSensorGestureSensorHandler::instance(),SIGNAL(accelReadingChanged(QAccelerometerReading*)), - this,SLOT(accelChanged(QAccelerometerReading*))); - active = false; - - return active; -} - -bool QFreefallSensorGestureRecognizer::isActive() -{ - return active; -} - -#define FREEFALL_THRESHOLD 1.0 -#define LANDED_THRESHOLD 20.0 -#define FREEFALL_MAX 4 - -void QFreefallSensorGestureRecognizer::accelChanged(QAccelerometerReading *reading) -{ - const qreal x = reading->x(); - const qreal y = reading->y(); - const qreal z = reading->z(); - qreal sum = qSqrt(x * x + y * y + z * z); - - if (qAbs(sum) < FREEFALL_THRESHOLD) { - detecting = true; - freefallList.append(sum); - } else { - if (detecting && qAbs(sum) > LANDED_THRESHOLD) { - Q_EMIT landed(); - Q_EMIT detected("landed"); - freefallList.clear(); - } - } - - if (freefallList.count() > FREEFALL_MAX) { - Q_EMIT freefall(); - Q_EMIT detected("freefall"); - } -} - - -QT_END_NAMESPACE - |