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# QtDBus module

The QtDBus module is a Unix-only library that you can use to make Inter-Process Communication using the D-Bus protocol. More...

## Namespaces

QDBus | The QDBus namespace contains miscellaneous identifiers used throughout the QtDBus library.

## Classes

QDBusAbstractAdaptor | The QDBusAbstractAdaptor class is the base class of D-Bus adaptor classes.
QDBusAbstractInterface | The QDBusAbstractInterface class is the base class for all D-Bus interfaces in the QtDBus binding, allowing access to remote interfaces
QDBusArgument | The QDBusArgument class is used to marshall and demarshall D-BUS arguments.
QDBusConnection | The QDBusConnection class represents a connection to the D-Bus bus daemon.
QDBusConnectionInterface | The QDBusConnectionInterface class provides access to the D-Bus bus daemon service.
QDBusContext | The QDBusContext class allows slots to determine the D-Bus context of the calls.
QDBusError | The QDBusError class represents an error received from the D-Bus bus or from remote applications found in the bus.
QDBusInterface | The QDBusInterface class is a proxy for interfaces on remote objects.
QDBusMessage | The QDBusMessage class represents one message sent or received over the D-Bus bus.
QDBusObjectPath | The QDBusObjectPath class enables the programmer to identify the type provided by the D-BUS typesystem.
QDBusReply | The QDBusReply class stores the reply for a method call to a remote object.
QDBusServer | The QDBusServer class provides peer-to-peer communication between processes on the same computer.
QDBusSignature | The QDBusSignature class enables the programmer to identify the type provided by the D-BUS typesystem.
QDBusVariant | The QDBusVariant class enables the programmer to identify the variant type provided by the D-BUS typesystem.

## Detailed Description

Applications using the QtDBus module can provide services to other, remote applications by exporting objects, as well as use services exported by those applications by placing calls and accessing properties.

The QtDBus module provides an interface that extends the Qt Signals and Slots mechanism, allowing one to connect to a signal emitted remotely as well as to connect a local signal to remote slot.

To use this module, use the following code in your application:

     #include <QtDBus>

If you're using qmake to build your application, you can add this line to your .pro file to make it link against the QtDBus libraries:

     CONFIG += qdbus

See the Introduction to D-Bus page for detailed information on how to use this module.

This module is part of all Qt editions.

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