Casilda Is A New Project As A GTK4 Wayland Compositor Widget

Casilda is a new open-source project by GNOME developer Juan Pablo Ugarte to serve as a Wayland compositor widget. Casilda allows for embedding other processes windows within a GTK4 application.

Casilda is a GTK widget that allows for adding a Wayland compositor to your application window. Casilda exposes a Unix socket file to connect to the compositor and its API also allows specifying a background color for the widget area. In turn you can end up easily running separate Wayland app processes within your GTK window:

Those wanting to learn more about Casilda can do so via the inaugural announcement for the first stable release of this Wayland compositor widget. The code is available on the GNOME.org GitLab.