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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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.
**
** BSD License Usage
** Alternatively, 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,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "subscriptionwindow.h"
#include "ui_subscriptionwindow.h"
SubscriptionWindow::SubscriptionWindow(QMqttSubscription *sub, QWidget *parent) :
QWidget(parent),
ui(new Ui::SubscriptionWindow),
m_sub(sub)
{
ui->setupUi(this);
ui->labelSub->setText(m_sub->topic());
ui->labelQoS->setText(QString::number(m_sub->qos()));
updateStatus(m_sub->state());
connect(m_sub, &QMqttSubscription::messageReceived, this, &SubscriptionWindow::updateMessage);
connect(m_sub, &QMqttSubscription::stateChanged, this, &SubscriptionWindow::updateStatus);
connect(m_sub, &QMqttSubscription::qosChanged, [this](quint8 qos) {
ui->labelQoS->setText(QString::number(qos));
});
connect(ui->pushButton, &QAbstractButton::clicked, m_sub, &QMqttSubscription::unsubscribe);
}
SubscriptionWindow::~SubscriptionWindow()
{
m_sub->unsubscribe();
delete ui;
}
void SubscriptionWindow::updateMessage(const QMqttMessage &msg)
{
ui->listWidget->addItem(msg.payload());
}
void SubscriptionWindow::updateStatus(QMqttSubscription::SubscriptionState state)
{
switch (state) {
case QMqttSubscription::Unsubscribed:
ui->labelStatus->setText(QLatin1String("Unsubscribed"));
break;
case QMqttSubscription::SubscriptionPending:
ui->labelStatus->setText(QLatin1String("Pending"));
break;
case QMqttSubscription::Subscribed:
ui->labelStatus->setText(QLatin1String("Subscribed"));
break;
case QMqttSubscription::Error:
ui->labelStatus->setText(QLatin1String("Error"));
break;
default:
ui->labelStatus->setText(QLatin1String("--Unknown--"));
break;
}
}
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