diff options
Diffstat (limited to 'src/sensors/doc/snippets/sensors/start.cpp')
| -rw-r--r-- | src/sensors/doc/snippets/sensors/start.cpp | 84 |
1 files changed, 43 insertions, 41 deletions
diff --git a/src/sensors/doc/snippets/sensors/start.cpp b/src/sensors/doc/snippets/sensors/start.cpp index 3ac5b50e..18c87d06 100644 --- a/src/sensors/doc/snippets/sensors/start.cpp +++ b/src/sensors/doc/snippets/sensors/start.cpp @@ -1,43 +1,9 @@ -/**************************************************************************** -** -** Copyright (C) 2017 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause -#include <qsensor.h> +#include <QtSensors/qsensor.h> +#include <QtCore/QMetaObject> +#include <QtCore/QMetaproperty> void start() { @@ -52,6 +18,42 @@ qreal x = reading->property("x").value<qreal>(); qreal y = reading->value(1).value<qreal>(); //! [Starting a sensor] - Q_UNUSED(x) - Q_UNUSED(y) + Q_UNUSED(x); + Q_UNUSED(y); } + +class MyObject : public QObject +{ + void findSensors() + { + //! [Find sensors] + QList<QSensor*> mySensorList; + for (const QByteArray &type : QSensor::sensorTypes()) { + qDebug() << "Found a sensor type:" << type; + for (const QByteArray &identifier : QSensor::sensorsForType(type)) { + qDebug() << " " << "Found a sensor of that type:" << identifier; + QSensor* sensor = new QSensor(type, this); + sensor->setIdentifier(identifier); + mySensorList.append(sensor); + } + } + //! [Find sensors] + //! [Print reading properties] + for (QSensor* sensor : mySensorList) { + const int firstProperty = QSensorReading::staticMetaObject.propertyOffset(); + // Connect to backend first in case start() hasn't been called yet + if (!sensor->connectToBackend()) + continue; + qDebug() << "Sensor" << sensor->identifier() << "reading properties:"; + QSensorReading *reading = sensor->reading(); + if (reading) { + const QMetaObject *mo = reading->metaObject(); + for (int i = firstProperty; i < mo->propertyCount(); ++i) { + QByteArray name = mo->property(i).name(); + qDebug() << " " << name << reading->property(name).toByteArray(); + } + } + } + //! [Print reading properties] + } +}; |