850ef55fc5
Pick-to: 6.5 Change-Id: I44ca7b61a4a261a7d3aad0dfeb870eb927ee768d Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
// Copyright (C) 2017 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#include <QtWidgets>
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#include <QtNetwork>
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#include <QtCore>
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#include "sender.h"
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Sender::Sender(QWidget *parent)
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: QWidget(parent)
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{
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statusLabel = new QLabel(tr("Ready to broadcast datagrams on port 45454"));
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statusLabel->setWordWrap(true);
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startButton = new QPushButton(tr("&Start"));
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auto quitButton = new QPushButton(tr("&Quit"));
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auto buttonBox = new QDialogButtonBox;
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buttonBox->addButton(startButton, QDialogButtonBox::ActionRole);
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buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
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//! [0]
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udpSocket = new QUdpSocket(this);
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//! [0]
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connect(startButton, &QPushButton::clicked, this, &Sender::startBroadcasting);
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connect(quitButton, &QPushButton::clicked, qApp, &QCoreApplication::quit);
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connect(&timer, &QTimer::timeout, this, &Sender::broadcastDatagram);
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auto mainLayout = new QVBoxLayout;
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mainLayout->addWidget(statusLabel);
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mainLayout->addWidget(buttonBox);
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setLayout(mainLayout);
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setWindowTitle(tr("Broadcast Sender"));
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}
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void Sender::startBroadcasting()
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{
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startButton->setEnabled(false);
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timer.start(1000);
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}
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void Sender::broadcastDatagram()
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{
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statusLabel->setText(tr("Now broadcasting datagram %1").arg(messageNo));
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//! [1]
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QByteArray datagram = "Broadcast message " + QByteArray::number(messageNo);
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udpSocket->writeDatagram(datagram, QHostAddress::Broadcast, 45454);
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//! [1]
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++messageNo;
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}
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