complexpong.cpp Example File
dbus/complexpingpong/complexpong.cpp

 /****************************************************************************
 **
 ** Copyright (C) 2010 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.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 ** 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.
 **
 ** 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 have questions regarding the use of this file, please contact
 ** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #include <stdio.h>
 #include <stdlib.h>

 #include <QtCore/QCoreApplication>
 #include <QtCore/QTimer>
 #include <QtDBus/QtDBus>

 #include "ping-common.h"
 #include "complexpong.h"

 // the property
 QString Pong::value() const
 {
     return m_value;
 }

 void Pong::setValue(const QString &newValue)
 {
     m_value = newValue;
 }

 void Pong::quit()
 {
     QTimer::singleShot(0, QCoreApplication::instance(), SLOT(quit()));
 }

 QDBusVariant Pong::query(const QString &query)
 {
     QString q = query.toLower();
     if (q == "hello")
         return QDBusVariant("World");
     if (q == "ping")
         return QDBusVariant("Pong");
     if (q.indexOf("the answer to life, the universe and everything") != -1)
         return QDBusVariant(42);
     if (q.indexOf("unladen swallow") != -1) {
         if (q.indexOf("european") != -1)
             return QDBusVariant(11.0);
         return QDBusVariant(QByteArray("african or european?"));
     }

     return QDBusVariant("Sorry, I don't know the answer");
 }

 int main(int argc, char **argv)
 {
     QCoreApplication app(argc, argv);

     QObject obj;
     Pong *pong = new Pong(&obj);
     pong->connect(&app, SIGNAL(aboutToQuit()), SIGNAL(aboutToQuit()));
     pong->setProperty("value", "initial value");
     QDBusConnection::sessionBus().registerObject("/", &obj);

     if (!QDBusConnection::sessionBus().registerService(SERVICE_NAME)) {
         fprintf(stderr, "%s\n",
                 qPrintable(QDBusConnection::sessionBus().lastError().message()));
         exit(1);
     }

     app.exec();
     return 0;
 }