/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include <QtGui>+
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#include <QtNetwork>+
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+
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#include "sender.h"+
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+
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Sender::Sender(QWidget *parent)+
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    : QDialog(parent)+
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{+
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    statusLabel = new QLabel(tr("Ready to broadcast datagrams on port 45454"));+
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+
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    startButton = new QPushButton(tr("&Start"));+
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    quitButton = new QPushButton(tr("&Quit"));+
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+
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    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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+
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    timer = new QTimer(this);+
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//! [0]+
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    udpSocket = new QUdpSocket(this);+
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//! [0]+
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    messageNo = 1;+
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+
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    connect(startButton, SIGNAL(clicked()), this, SLOT(startBroadcasting()));+
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    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));+
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    connect(timer, SIGNAL(timeout()), this, SLOT(broadcastDatagram()));+
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+
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    QVBoxLayout *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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+
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    setWindowTitle(tr("Broadcast Sender"));+
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}+
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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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+
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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.data(), datagram.size(),+
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                             QHostAddress::Broadcast, 45454);+
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//! [1]+
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    ++messageNo;+
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}+
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