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Viewing changes to examples/network/broadcastreceiver/receiver.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Adam Conrad
  • Date: 2005-08-24 04:09:09 UTC
  • Revision ID: james.westby@ubuntu.com-20050824040909-xmxe9jfr4a0w5671
Tags: upstream-4.0.0
Import upstream version 4.0.0

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examples/network/broadcastreceiver/receiver.cpp
 
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/****************************************************************************
 
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**
 
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** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
 
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**
 
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** This file is part of the example classes of the Qt Toolkit.
 
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**
 
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** This file may be distributed under the terms of the Q Public License
 
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** as defined by Trolltech AS of Norway and appearing in the file
 
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** LICENSE.QPL included in the packaging of this file.
 
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**
 
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** This file may be distributed and/or modified under the terms of the
 
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** GNU General Public License version 2 as published by the Free Software
 
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** Foundation and appearing in the file LICENSE.GPL included in the
 
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** packaging of this file.
 
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**
 
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** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
 
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**   information about Qt Commercial License Agreements.
 
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** See http://www.trolltech.com/qpl/ for QPL licensing information.
 
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** See http://www.trolltech.com/gpl/ for GPL licensing information.
 
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**
 
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** Contact info@trolltech.com if any conditions of this licensing are
 
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** not clear to you.
 
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**
 
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 
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**
 
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****************************************************************************/
 
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#include <QtGui>
 
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#include <QtNetwork>
 
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#include "receiver.h"
 
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Receiver::Receiver(QWidget *parent)
 
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    : QDialog(parent)
 
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{
 
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    statusLabel = new QLabel(tr("Listening for broadcasted messages"));
 
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    quitButton = new QPushButton(tr("&Quit"));
 
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    udpSocket = new QUdpSocket(this);
 
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    udpSocket->bind(45454);
 
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    connect(udpSocket, SIGNAL(readyRead()),
 
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            this, SLOT(processPendingDatagrams()));
 
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    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
 
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    QHBoxLayout *buttonLayout = new QHBoxLayout;
 
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    buttonLayout->addStretch(1);
 
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    buttonLayout->addWidget(quitButton);
 
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    QVBoxLayout *mainLayout = new QVBoxLayout;
 
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    mainLayout->addWidget(statusLabel);
 
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    mainLayout->addLayout(buttonLayout);
 
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    setLayout(mainLayout);
 
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    setWindowTitle(tr("Broadcast Receiver"));
 
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}
 
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void Receiver::processPendingDatagrams()
 
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{
 
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    while (udpSocket->hasPendingDatagrams()) {
 
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        QByteArray datagram;
 
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        datagram.resize(udpSocket->pendingDatagramSize());
 
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        udpSocket->readDatagram(datagram.data(), datagram.size());
 
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        statusLabel->setText(tr("Received datagram: \"%1\"")
 
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                             .arg(datagram.data()));
 
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    }
 
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}