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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QtWidgets>
#include <QtNetwork>
#include <QtCore>
#include "sender.h"
Sender::Sender(QWidget *parent)
: QWidget(parent)
{
statusLabel = new QLabel(tr("Ready to broadcast datagrams on port 45454"));
statusLabel->setWordWrap(true);
startButton = new QPushButton(tr("&Start"));
auto quitButton = new QPushButton(tr("&Quit"));
auto buttonBox = new QDialogButtonBox;
buttonBox->addButton(startButton, QDialogButtonBox::ActionRole);
buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
//! [0]
udpSocket = new QUdpSocket(this);
//! [0]
connect(startButton, &QPushButton::clicked, this, &Sender::startBroadcasting);
connect(quitButton, &QPushButton::clicked, qApp, &QCoreApplication::quit);
connect(&timer, &QTimer::timeout, this, &Sender::broadcastDatagram);
auto mainLayout = new QVBoxLayout;
mainLayout->addWidget(statusLabel);
mainLayout->addWidget(buttonBox);
setLayout(mainLayout);
setWindowTitle(tr("Broadcast Sender"));
}
void Sender::startBroadcasting()
{
startButton->setEnabled(false);
timer.start(1000);
}
void Sender::broadcastDatagram()
{
statusLabel->setText(tr("Now broadcasting datagram %1").arg(messageNo));
//! [1]
QByteArray datagram = "Broadcast message " + QByteArray::number(messageNo);
udpSocket->writeDatagram(datagram, QHostAddress::Broadcast, 45454);
//! [1]
++messageNo;
}
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