diff -r 000000000000 -r 1918ee327afb examples/network/broadcastreceiver/receiver.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/network/broadcastreceiver/receiver.cpp Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,88 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@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] +}