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authoraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
committeraxis <qt-info@nokia.com>2009-04-24 11:34:15 (GMT)
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Long live Qt for S60!
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtGui>
+#include <QtNetwork>
+
+#include "receiver.h"
+
+Receiver::Receiver(QWidget *parent)
+ : QDialog(parent)
+{
+ statusLabel = new QLabel(tr("Listening for broadcasted messages"));
+ quitButton = new QPushButton(tr("&Quit"));
+
+//! [0]
+ udpSocket = new QUdpSocket(this);
+ udpSocket->bind(45454);
+//! [0]
+
+//! [1]
+ connect(udpSocket, SIGNAL(readyRead()),
+ this, SLOT(processPendingDatagrams()));
+//! [1]
+ connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+
+ QHBoxLayout *buttonLayout = new QHBoxLayout;
+ buttonLayout->addStretch(1);
+ buttonLayout->addWidget(quitButton);
+ buttonLayout->addStretch(1);
+
+ QVBoxLayout *mainLayout = new QVBoxLayout;
+ mainLayout->addWidget(statusLabel);
+ mainLayout->addLayout(buttonLayout);
+ setLayout(mainLayout);
+
+ setWindowTitle(tr("Broadcast Receiver"));
+}
+
+void Receiver::processPendingDatagrams()
+{
+//! [2]
+ while (udpSocket->hasPendingDatagrams()) {
+ QByteArray datagram;
+ datagram.resize(udpSocket->pendingDatagramSize());
+ udpSocket->readDatagram(datagram.data(), datagram.size());
+ statusLabel->setText(tr("Received datagram: \"%1\"")
+ .arg(datagram.data()));
+ }
+//! [2]
+}