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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtCore>
#include <qsensor.h>
class Filter : public QSensorFilter
{
int lastPercent;
public:
Filter()
: QSensorFilter()
, lastPercent(0)
{
}
bool filter(QSensorReading *reading) override
{
int percent = reading->property("chanceOfBeingEaten").value<int>();
if (percent == 0) {
qDebug() << "It is light. You are safe from Grues.";
} else if (lastPercent == 0) {
qDebug() << "It is dark. You are likely to be eaten by a Grue.";
}
if (percent == 100) {
qDebug() << "You have been eaten by a Grue!";
QCoreApplication::instance()->quit();
} else if (percent)
qDebug() << "Your chance of being eaten by a Grue:" << percent << "percent.";
lastPercent = percent;
return false;
}
};
int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
QSensor sensor("GrueSensor");
Filter filter;
sensor.addFilter(&filter);
sensor.start();
if (!sensor.isActive()) {
qWarning("The Grue sensor didn't start. You're on your own!");
return 1;
}
return app.exec();
}
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