listnames.cpp 范例文件

listnames/listnames.cpp
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#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; }