listnames.cpp Example Filedbus/listnames/listnames.cpp/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** Contact: http://www.qt-project.org/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor ** the names of its contributors may be used to endorse or promote ** products derived from this software without specific prior written ** permission. ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include <QtCore/QCoreApplication> #include <QtCore/QDebug> #include <QtCore/QStringList> #include <QtDBus/QtDBus> void method1() { qDebug() << "Method 1:"; QDBusReply<QStringList> reply = QDBusConnection::sessionBus().interface()->registeredServiceNames(); if (!reply.isValid()) { qDebug() << "Error:" << reply.error().message(); exit(1); } foreach (QString name, reply.value()) qDebug() << name; } void method2() { qDebug() << "Method 2:"; QDBusConnection bus = QDBusConnection::sessionBus(); QDBusInterface dbus_iface("org.freedesktop.DBus", "/org/freedesktop/DBus", "org.freedesktop.DBus", bus); qDebug() << dbus_iface.call("ListNames").arguments().at(0); } void method3() { qDebug() << "Method 3:"; qDebug() << QDBusConnection::sessionBus().interface()->registeredServiceNames().value(); } int main(int argc, char **argv) { QCoreApplication app(argc, argv); if (!QDBusConnection::sessionBus().isConnected()) { fprintf(stderr, "Cannot connect to the D-Bus session bus.\n" "To start it, run:\n" "\teval `dbus-launch --auto-syntax`\n"); return 1; } method1(); method2(); method3(); return 0; } |