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<!-- SPDX-FileCopyrightText: 2009 Manjeet Dahiya <manjeetdahiya@gmail.com> SPDX-License-Identifier: CC0-1.0 -->QXmpp - Cross-platform C++/Qt XMPP library
<h1 align="center"> <picture> <img alt="QXmpp logo" src="./logo.svg" height="150"> </picture> </h1> <p align="center"> <a href="https://xmpp.org/extensions/xep-0459.html"> <img alt="XMPP:2022 Client IM Mobile+ Compliance Badge" src="https://img.shields.io/badge/XMPP%3A2022%20Client-Core%20IM%20Mobile%2B-green"> </a> </p> <p align="center"> <a href="https://github.com/qxmpp-project/qxmpp/actions"> <img alt="Build Status" src="https://github.com/qxmpp-project/qxmpp/workflows/tests/badge.svg"> </a> <a href="https://codecov.io/gh/qxmpp-project/qxmpp"> <img alt="Code Coverage" src="https://img.shields.io/codecov/c/github/qxmpp-project/qxmpp.svg"> </a> <a href="https://github.com/qxmpp-project/qxmpp/releases/latest"> <img alt="Latest release" src="https://img.shields.io/github/v/release/qxmpp-project/qxmpp"> </a> <a href="https://doc.qxmpp.org/"> <img alt="Documentation" src="https://img.shields.io/website?down_message=offline&label=documentation&up_message=online&url=https%3A%2F%2Fdoc.qxmpp.org%2F"> </a> <a href="xmpp:qxmpp@muc.kaidan.im?join"> <img alt="Development Chat" src="https://search.jabbercat.org/api/1.0/badge?address=qxmpp@muc.kaidan.im"> </a> <a href="https://liberapay.com/QXmpp/donate"> <img alt="Donate using Liberapay" src="https://img.shields.io/liberapay/patrons/QXmpp.svg?logo=liberapay"> </a> <a href="https://api.reuse.software/info/github.com/qxmpp-project/qxmpp"> <img alt="REUSE status" src="https://api.reuse.software/badge/github.com/qxmpp-project/qxmpp"> </a> </p>QXmpp is a cross-platform C++ XMPP client and server library. It is written in C++ and uses the Qt framework.
QXmpp strives to be as easy to use as possible. The underlying TCP socket, the core XMPP RFCs (RFC6120 and RFC6121) and the supported XMPP extensions have been nicely encapsulated in classes. With QXmpp, it is possible to build XMPP clients complying with the XMPP Compliance Suites 2022 for IM and Advanced Mobile. It comes with full API documentation, automatic tests and examples.
QXmpp uses Qt extensively. Thus, users need to have a good knowledge of C++ and Qt basics (including the concept of signals/slots and Qt's data types). Qt is the only third party library required to build QXmpp, but libraries such as GStreamer enable additional features.
QXmpp is released under the terms of the GNU Lesser General Public License, version 2.1 or later.
Building
QXmpp requires Qt 5.15 or Qt 6.0 or higher.
You can build QXmpp with CMake:
mkdir build
cd build
cmake ..
cmake --build .
You can pass the following arguments to CMake:
| Option | Default | Description |
|---|---|---|
BUILD_SHARED | ON | Build as shared library, otherwise static |
BUILD_DOCUMENTATION | ON | Build documentation, requires Doxygen |
BUILD_EXAMPLES | ON | Build examples |
BUILD_TESTS | ON | Build unit tests |
BUILD_INTERNAL_TESTS | OFF | Build unit tests testing private parts of the API |
BUILD_OMEMO | OFF | Build the OMEMO module |
WITH_GSTREAMER | OFF | Enable audio/video over Jingle |
QT_VERSION_MAJOR=5/6 | to build with a specific Qt major version, prefers Qt 6 if undefined |
For example, to build without unit tests you could do:
cmake .. -DBUILD_TESTS=OFF
Installing
After building QXmpp, you can install it using the following command:
cmake --build . --target install
Examples
There are various examples in order to quickly start using QXmpp.
example_0_connected
This example connects to the XMPP server and starts receiving presences from the server. You can see whether the user is online and if the user is in your roster (contact list).
example_1_echoClient
This is a very simple bot which echoes the message sent to it. The example helps to understand how to receive and send messages.
Documentation
There is an API documentation for the latest stable QXmpp version and one for the master branch.
Supported Platforms
QXmpp should work on all platforms supported by Qt.
Bugs
If you think you have found a bug in QXmpp, we would like to hear about it. That way, we can fix it. Before reporting a bug, please check if the issue is already known at.
Contributing
If you are interested in contributing to QXmpp, please have a look at our contribution guidelines.