A C++ backend for Jupyter interactive widgets.

Introduction

xwidgets is a C++ implementation of the Jupyter interactive widgets protocol. The Python reference implementation is available in the ipywidgets project.

xwidgets enables the use of the Jupyter interactive widgets in the C++ notebook, powered by the xeus-cling kernel and the cling C++ interpreter from CERN. xwidgets can also be used to create applications making use of the Jupyter interactive widgets without the C++ kernel per se.

Usage

Launch the jupyter notebook with jupyter notebook and launch a new C++ notebook by selecting the xeus C++14 kernel in the new dropdown.

Installation

We provide a package for the mamba (or conda) package manager.

• Installing xwidgets and the C++ kernel

mamba install xeus-cling xwidgets -c conda-forge

Then, the front-end extension must be installed for either the classic notebook or JupyterLab.

• Installing the extension for the classic notebook

mamba install widgetsnbextension -c conda-forge

Installation from sources

Or you can directly install it from the sources if you have all the dependencies already installed:

cmake -D CMAKE_INSTALL_PREFIX=your_install_prefix
make install

Trying it online

To try out xwidgets interactively in your web browser, just click on the binder link:

Documentation

To get started with using xwidgets, check out the full documentation

http://xwidgets.readthedocs.io/

Dependencies

All the dependencies of xwidgets are available for the mamba (or conda) package manager.

xwidgets	jupyterlab_widgets	widgetsnbextension	xtl	xproperty	xeus	nlohmann_json
master	^3.0.0	^4.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.2,<4.0	>=3.9.1,<3.10
0.28.1	^3.0.0	^4.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.2,<4.0	>=3.9.1,<3.10
0.28.0	^3.0.0	^4.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.0,<4.0	>=3.9.1,<3.10
0.27.3		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.0,<4.0	>=3.9.1,<3.10
0.27.2		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.0,<4.0	>=3.9.1,<3.10
0.27.1		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.0,<4.0	>=3.9.1,<3.10
0.27.0		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=3.0,<4.0	>=3.9.1,<3.10
0.26.1		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=2.0,<3.0	>=3.9.1,<3.10
0.26.0		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=2.0,<3.0	>=3.9.1,<3.10
0.25.0		^3.0.0	>=0.7,<0.8	>=0.11.0,<0.12	>=1.0,<2.0	>=3.6.1,<4.0

Packages jupyterlab_widgets and widgetsnbextension are not dependencies per se, but hold the frontend counterparts for JupyterLab and the classic notebook respectively that must be installed in the environment of the Jupyter server.

License

We use a shared copyright model that enables all contributors to maintain the copyright on their contributions.

This software is licensed under the BSD-3-Clause license. See the LICENSE file for details.