examples/network/broadcastsender/sender.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/network/broadcastsender/sender.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,92 @@
+/****************************************************************************
+**
+** 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 "sender.h"
+
+Sender::Sender(QWidget *parent)
+    : QDialog(parent)
+{
+    statusLabel = new QLabel(tr("Ready to broadcast datagrams on port 45454"));
+
+    startButton = new QPushButton(tr("&Start"));
+    quitButton = new QPushButton(tr("&Quit"));
+
+    buttonBox = new QDialogButtonBox;
+    buttonBox->addButton(startButton, QDialogButtonBox::ActionRole);
+    buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole);
+
+    timer = new QTimer(this);
+//! [0]
+    udpSocket = new QUdpSocket(this);
+//! [0]
+    messageNo = 1;
+
+    connect(startButton, SIGNAL(clicked()), this, SLOT(startBroadcasting()));
+    connect(quitButton, SIGNAL(clicked()), this, SLOT(close()));
+    connect(timer, SIGNAL(timeout()), this, SLOT(broadcastDatagram()));
+
+    QVBoxLayout *mainLayout = new QVBoxLayout;
+    mainLayout->addWidget(statusLabel);
+    mainLayout->addWidget(buttonBox);
+    setLayout(mainLayout);
+
+    setWindowTitle(tr("Broadcast Sender"));
+}
+
+void Sender::startBroadcasting()
+{
+    startButton->setEnabled(false);
+    timer->start(1000);
+}
+
+void Sender::broadcastDatagram()
+{
+    statusLabel->setText(tr("Now broadcasting datagram %1").arg(messageNo));
+//! [1]
+    QByteArray datagram = "Broadcast message " + QByteArray::number(messageNo);
+    udpSocket->writeDatagram(datagram.data(), datagram.size(),
+                             QHostAddress::Broadcast, 45454);
+//! [1]
+    ++messageNo;
+}