diff options
author | Lorn Potter <lorn.potter@nokia.com> | 2012-01-09 16:26:23 +1000 |
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committer | Qt by Nokia <qt-info@nokia.com> | 2012-01-12 02:01:55 +0100 |
commit | 413b134ed40515c7da6cc343190f55842c16ae49 (patch) | |
tree | 8ea4adbc883e6b64ce9747df5d7fdedb4e53ce60 /src/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp | |
parent | 86f9434b444d6d3adb403bacd3227faba18ae8ed (diff) |
add new sensor gestures
Change-Id: Ided28e5d26af383b019d84ebb128c8ec6d6e3d34
Sanity-Review: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Lincoln Ramsay <lincoln.ramsay@nokia.com>
Diffstat (limited to 'src/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp')
-rw-r--r-- | src/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp b/src/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp new file mode 100644 index 00000000..a76c2c94 --- /dev/null +++ b/src/plugins/sensorgestures/qtsensors/qhoversensorgesturerecognizer.cpp @@ -0,0 +1,132 @@ +/**************************************************************************** +** +** 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 "qhoversensorgesturerecognizer.h" +QT_BEGIN_NAMESPACE + +QHoverSensorGestureRecognizer::QHoverSensorGestureRecognizer(QObject *parent) : + QSensorGestureRecognizer(parent), + hoverOk(0), lastLightReading(0), detecting(0) +{ +} + +QHoverSensorGestureRecognizer::~QHoverSensorGestureRecognizer() +{ +} + +void QHoverSensorGestureRecognizer::create() +{ + light = new QLightSensor(this); + light->connectToBackend(); + + timer = new QTimer(this); + connect(timer,SIGNAL(timeout()),this,SLOT(timeout())); + timer->setSingleShot(true); + timer->setInterval(1000); + + timer2 = new QTimer(this); + connect(timer2,SIGNAL(timeout()),this,SLOT(timeout2())); + timer2->setSingleShot(true); + timer2->setInterval(3000); +} + +QString QHoverSensorGestureRecognizer::id() const +{ + return QString("QtSensors.hover"); +} + +bool QHoverSensorGestureRecognizer::start() +{ + connect(light,SIGNAL(readingChanged()), this,SLOT(lightChanged())); + light->start(); + return light->isActive(); +} + +bool QHoverSensorGestureRecognizer::stop() +{ + light->stop(); + disconnect(light,SIGNAL(readingChanged()),this,SLOT(lightChanged())); + return light->isActive(); +} + +bool QHoverSensorGestureRecognizer::isActive() +{ + return light->isActive(); +} + +void QHoverSensorGestureRecognizer::lightChanged() +{ + qreal lightReading = light->reading()->lux(); + + int difference = 100 - (lightReading/lastLightReading) * 100; + + if (difference == 0) { + return; + } + + if (!detecting && difference > 19) { +// if (lightReading < lastLightReading ) { + detecting = true; + timer->start(); + timer2->start(); + } else if (hoverOk && detecting && difference < -24) { + // went light again after 1 seconds +// qDebug() << "hover"; + Q_EMIT hover(); + Q_EMIT detected("hover"); + hoverOk = false; + detecting = false; + } + lastLightReading = lightReading; +} + +void QHoverSensorGestureRecognizer::timeout() +{ + hoverOk = true; +} + + +void QHoverSensorGestureRecognizer::timeout2() +{ + detecting = false; +} +QT_END_NAMESPACE |