Qt 5.7 | Qt Sensors | Qt Sensors - Grue Sensor Example | gruesensor.h Example File

Qt 5.7.1 Reference Documentation

# gruesensor.h Example File

grue/lib/gruesensor.h

      /****************************************************************************
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      ** 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.
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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