- Qt 5.5
- Qt Sensors
- Qt Sensors - Grue Sensor Example
- gruesensor.h Example File
- Qt 5.5.1 Reference Documentation

# gruesensor.h Example File

grue/lib/gruesensor.h

    /****************************************************************************
    **
    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
    **
    ** This file is part of the QtSensors module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of The Qt Company Ltd nor the names of its
    **     contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
    **
    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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    ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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    ** $QT_END_LICENSE$
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    ****************************************************************************/

    #ifndef GRUESENSOR_H
    #define GRUESENSOR_H

    #include <qsensor.h>

    class GrueSensorReadingPrivate;

    #if defined(QT_BUILD_GRUE_LIB)
    #    define Q_GRUE_EXPORT Q_DECL_EXPORT
    #else
    #    define Q_GRUE_EXPORT Q_DECL_IMPORT
    #endif

    class Q_GRUE_EXPORT GrueSensorReading : public QSensorReading
    {
        Q_OBJECT
        Q_PROPERTY(int chanceOfBeingEaten READ chanceOfBeingEaten WRITE setChanceOfBeingEaten)
        DECLARE_READING(GrueSensorReading)
    public:
        int chanceOfBeingEaten() const;
        void setChanceOfBeingEaten(int chanceOfBeingEaten);
    };

    // begin generated code

    class Q_GRUE_EXPORT GrueFilter : public QSensorFilter
    {
    public:
        virtual bool filter(GrueSensorReading *reading) = 0;
    private:
        bool filter(QSensorReading *reading) { return filter(static_cast<GrueSensorReading*>(reading)); }
    };

    class Q_GRUE_EXPORT GrueSensor : public QSensor
    {
        Q_OBJECT
        Q_PROPERTY(GrueSensorReading* reading READ reading)
    public:
        explicit GrueSensor(QObject *parent = 0) : QSensor(GrueSensor::type, parent) {}
        virtual ~GrueSensor() {}
        GrueSensorReading *reading() const { return static_cast<GrueSensorReading*>(QSensor::reading()); }
        static char const * const type;
    };
    // end generated code

    #endif