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Diffstat (limited to 'src/imports/sensors/qmlcompass.cpp')
-rw-r--r-- | src/imports/sensors/qmlcompass.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/imports/sensors/qmlcompass.cpp b/src/imports/sensors/qmlcompass.cpp new file mode 100644 index 00000000..886e7c74 --- /dev/null +++ b/src/imports/sensors/qmlcompass.cpp @@ -0,0 +1,150 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional +** rights. These rights are described in the Digia 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. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qmlcompass.h" +#include <QCompass> + +/*! + \qmltype Compass + \instantiates QmlCompass + \ingroup qml-sensors_type + \inqmlmodule QtMobility.sensors 1.3 + \since QtMobility.sensors 1.1 + \inherits QtMobility.sensors1::Sensor + \brief The Compass element reports on heading using magnetic north as a reference. + + The Compass element reports on heading using magnetic north as a reference. + + This element wraps the QCompass class. Please see the documentation for + QCompass for details. + + \sa CompassReading +*/ + +QmlCompass::QmlCompass(QObject *parent) + : QmlSensor(parent) + , m_sensor(new QCompass(this)) +{ +} + +QmlCompass::~QmlCompass() +{ +} + +QmlSensorReading *QmlCompass::createReading() const +{ + return new QmlCompassReading(m_sensor); +} + +QSensor *QmlCompass::sensor() const +{ + return m_sensor; +} + +/*! + \qmltype CompassReading + \instantiates QmlCompassReading + \ingroup qml-sensors_reading + \inqmlmodule QtMobility.sensors 1.3 + \since QtMobility.sensors 1.1 + \inherits QtMobility.sensors1::SensorReading + \brief The CompassReading element holds the most recent Compass reading. + + The CompassReading element holds the most recent Compass reading. + + This element wraps the QCompassReading class. Please see the documentation for + QCompassReading for details. + + This element cannot be directly created. +*/ + +QmlCompassReading::QmlCompassReading(QCompass *sensor) + : QmlSensorReading(sensor) + , m_sensor(sensor) +{ +} + +QmlCompassReading::~QmlCompassReading() +{ +} + +/*! + \qmlproperty qreal QtMobility.sensors1::CompassReading::azimuth + This property holds the azimuth of the device. + + Please see QCompassReading::azimuth for information about this property. +*/ + +qreal QmlCompassReading::azimuth() const +{ + return m_azimuth; +} + +/*! + \qmlproperty qreal QtMobility.sensors1::CompassReading::calibrationLevel + This property holds the calibration level of the reading. + + Please see QCompassReading::calibrationLevel for information about this property. +*/ + +qreal QmlCompassReading::calibrationLevel() const +{ + return m_calibrationLevel; +} + +QSensorReading *QmlCompassReading::reading() const +{ + return m_sensor->reading(); +} + +void QmlCompassReading::readingUpdate() +{ + qreal azm = m_sensor->reading()->azimuth(); + if (m_azimuth != azm) { + m_azimuth = azm; + Q_EMIT azimuthChanged(); + } + qreal calLevel = m_sensor->reading()->calibrationLevel(); + if (m_calibrationLevel != calLevel) { + m_calibrationLevel = calLevel; + Q_EMIT calibrationLevelChanged(); + } +} |