diff options
Diffstat (limited to 'src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp')
-rw-r--r-- | src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp b/src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp new file mode 100644 index 00000000..98cf943f --- /dev/null +++ b/src/plugins/sensorgestures/qtsensors/qpickupsensorgesturerecognizer.cpp @@ -0,0 +1,140 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtSensors module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include "qpickupsensorgesturerecognizer.h" +QT_BEGIN_NAMESPACE + +QPickupSensorGestureRecognizer::QPickupSensorGestureRecognizer(QObject *parent) : + QSensorGestureRecognizer(parent),atRest(1),okToSignal(1) +{ +} + +QPickupSensorGestureRecognizer::~QPickupSensorGestureRecognizer() +{ +} + +void QPickupSensorGestureRecognizer::create() +{ + accel = new QAccelerometer(this); + accel->connectToBackend(); + timer = new QTimer(this); + + connect(timer,SIGNAL(timeout()),this,SLOT(timeout())); + timer->setSingleShot(true); + timer->setInterval(500); + +} + +QString QPickupSensorGestureRecognizer::id() const +{ + return QString("QtSensors.pickup"); +} + +bool QPickupSensorGestureRecognizer::start() +{ + connect(accel,SIGNAL(readingChanged()),this,SLOT(accelChanged())); + accel->start(); + + active = accel->isActive(); + return active; +} + +bool QPickupSensorGestureRecognizer::stop() +{ + accel->stop(); + active = accel->isActive(); + disconnect(accel,SIGNAL(readingChanged()),this,SLOT(accelChanged())); + return !active; +} + +bool QPickupSensorGestureRecognizer::isActive() +{ + return active; +} + +#define kFilteringFactor 0.1 + +void QPickupSensorGestureRecognizer::accelChanged() +{ + qreal x = accel->reading()->x(); + qreal xdiff = pXaxis - x; + qreal y = accel->reading()->y(); + qreal ydiff = pYaxis - y; + qreal z = accel->reading()->z(); + qreal zdiff = pZaxis - z; + + if (xdiff < 0.3 && ydiff < .3 && zdiff < .3) { + atRest = true; + } else { + atRest = false; + okToSignal = true; + } + + if (atRest && okToSignal && (y > 5.0 && y < 8.9) && (z > 5.0 && z < 7.9)) { + if (!timer->isActive()) { + timer->start(); + } + } + + // initial at ~0, z = 9.8 + // at 'focus' when y == 6 to 8 && z == 5 to 7 + + pXaxis = x; + pYaxis = y; + pZaxis = z; +} + +void QPickupSensorGestureRecognizer::timeout() +{ + qreal x = accel->reading()->x(); + qreal y = accel->reading()->y(); + qreal z = accel->reading()->z(); + + if (atRest && (y > 5.0 && y < 8.9) && (z > 5.0 && z < 7.9)) { + Q_EMIT pickup(); + Q_EMIT detected("pickup"); + + okToSignal = false; + } +} + +QT_END_NAMESPACE |