qtmobility/examples/sensors/small_screen_sensors/accelerationform.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 11 Jun 2010 14:26:25 +0300
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Revision: 201021 Kit: 2010123
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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**   * Redistributions of source code must retain the above copyright
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**     notice, this list of conditions and the following disclaimer.
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**   * Redistributions in binary form must reproduce the above copyright
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**     notice, this list of conditions and the following disclaimer in
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**     the documentation and/or other materials provided with the
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**     distribution.
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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**     the names of its contributors may be used to endorse or promote
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**     products derived from this software without specific prior written
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**     permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "accelerationform.h"
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AccelerationForm::AccelerationForm(QWidget *parent)
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    : QWidget(parent)
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{
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    setupUi(this);
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    m_accelerationSensor.connectToBackend();
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    // Usually sensor operates -2g-2g range on Symbian platforms
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    qoutputrange range = {-2.0f*9.80665f, -2.0f*9.80665f, 0.0f}; 
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    if(m_accelerationSensor.outputRange()<-1)
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        range = m_accelerationSensor.outputRanges()[m_accelerationSensor.outputRange()];    
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    horizontalSliderX->setRange(range.minimum, range.maximum);
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    horizontalSliderY->setRange(range.minimum, range.maximum);
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    horizontalSliderZ->setRange(range.minimum, range.maximum);
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    m_accelerationSensor.addFilter(this);
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    m_accelerationSensor.start();
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}
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bool AccelerationForm::filter(QAccelerometerReading *reading)
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{
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    horizontalSliderX->setValue(reading->x());
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    labelX->setText(QString("X = %1").arg(reading->x()));
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    horizontalSliderY->setValue(reading->y());
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    labelY->setText(QString("Y = %1").arg(reading->y()));
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    horizontalSliderZ->setValue(reading->z());
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    labelZ->setText(QString("Z = %1").arg(reading->z()));
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    return false;
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}