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Diffstat (limited to 'examples/sensors/grue/plugin/gruesensorimpl.cpp')
-rw-r--r-- | examples/sensors/grue/plugin/gruesensorimpl.cpp | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/examples/sensors/grue/plugin/gruesensorimpl.cpp b/examples/sensors/grue/plugin/gruesensorimpl.cpp deleted file mode 100644 index 7bfdb09..0000000 --- a/examples/sensors/grue/plugin/gruesensorimpl.cpp +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright (C) 2017 The Qt Company Ltd. -// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause - -#include "gruesensorimpl.h" -#include <QDebug> -#include <QTimer> - -char const * const gruesensorimpl::id("grue.gruesensor"); - -gruesensorimpl::gruesensorimpl(QSensor *sensor) - : QSensorBackend(sensor) - , lightLevel(QAmbientLightReading::Undefined) -{ - // We need a light sensor - lightSensor = new QAmbientLightSensor(this); - connect(lightSensor, SIGNAL(readingChanged()), this, SLOT(lightChanged())); - lightSensor->connectToBackend(); - - // We need a timer - darkTimer = new QTimer(this); - darkTimer->setInterval(1000); - connect(darkTimer, SIGNAL(timeout()), this, SLOT(increaseChance())); - - // We use this as our timestamp source - timer.start(); - -//! [setReading] - // Register our reading instance - setReading<GrueSensorReading>(&m_reading); -//! [setReading] - -//! [metadata] - // Supply metadata - // We can run as fast as the light sensor does - setDataRates(lightSensor); - // Only one output range, 0 to 1 in .1 increments - addOutputRange(0, 1, 0.1); - setDescription(QLatin1String("Grue Sensor")); -//! [metadata] -} - -void gruesensorimpl::start() -{ -//! [start] - lightSensor->setDataRate(sensor()->dataRate()); - lightSensor->start(); - // If the light sensor doesn't work we don't work either - if (!lightSensor->isActive()) - sensorStopped(); - if (lightSensor->isBusy()) - sensorBusy(); -//! [start] -} - -void gruesensorimpl::stop() -{ - lightSensor->stop(); -} - -void gruesensorimpl::lightChanged() -{ - if (lightLevel == lightSensor->reading()->lightLevel()) - return; - - lightLevel = lightSensor->reading()->lightLevel(); - - int chance = 0; - darkTimer->stop(); - - switch (lightSensor->reading()->lightLevel()) { - case QAmbientLightReading::Dark: - // It is dark. You are likely to be eaten by a grue. - chance = 10; - darkTimer->start(); - break; - default: - break; - } - - // Only send an update if the value has changed. - if (chance != m_reading.chanceOfBeingEaten() || m_reading.timestamp() == 0) { - m_reading.setTimestamp(timer.elapsed()); - m_reading.setChanceOfBeingEaten(chance); - newReadingAvailable(); - } -} - -void gruesensorimpl::increaseChance() -{ - // The longer you stay in the dark, the higher your chance of being eaten - int chance = m_reading.chanceOfBeingEaten() + 10; - - m_reading.setTimestamp(timer.elapsed()); - m_reading.setChanceOfBeingEaten(chance); - - newReadingAvailable(); - - // No point in using the timer anymore if we've hit 100... you can't get more - // likely to be eaten than 100% - if (chance >= 100) - darkTimer->stop(); -} - |