CasildaCompositor

compositor = casilda_compositor_new ("/tmp/casilda-example.sock");
gtk_window_set_child (GTK_WINDOW (window), GTK_WIDGET (compositor));

export GDK_BACKEND=wayland
export WAYLAND_DISPLAY=/tmp/casilda-example.sock
gtk4-demo

compositor = casilda_compositor_new (NULL);
gtk_window_set_child (GTK_WINDOW (window), GTK_WIDGET (compositor));
gtk_window_present (GTK_WINDOW (window));

gchar *argv[] = { "/usr/bin/gtk4-demo", NULL };
casilda_compositor_spawn_async (compositor, NULL, argv, NULL, G_SPAWN_DEFAULT, NULL, NULL, NULL, NULL);

import gi
import sys

gi.require_version("Gtk", "4.0")
gi.require_version("Casilda", "1.0")
from gi.repository import GLib, Gtk, Casilda


class CasildaApplication(Gtk.Application):
    def __init__(self):
        super().__init__(application_id="ar.xjuan.casilda.PyGObject.Example")

    def do_activate(self):
        compositor = Casilda.Compositor()

        window = Gtk.ApplicationWindow(
            application=self,
            title="Casilda Compositor",
            default_width=800,
            default_height=600,
            child=compositor
        )

        compositor.spawn_async (
            None,
            ["/usr/bin/gtk4-demo"],
            None,
            GLib.SpawnFlags.DEFAULT
        )

        window.present()


if __name__ == "__main__":
    app = CasildaApplication()
    sys.exit(app.run(sys.argv))

import System from 'system';
import GLib from 'gi://GLib';
import GObject from 'gi://GObject';
import Gtk from 'gi://Gtk?version=4.0';
import Casilda from 'gi://Casilda?version=1.0';


let CasildaApplication = GObject.registerClass({},
    class CasildaApplication extends Gtk.Application {
    constructor() {
        super({
            application_id: 'ar.xjuan.casilda.Gjs.Example'
        });
    }

    vfunc_activate() {
        let compositor = new Casilda.Compositor();

        let window = new Gtk.ApplicationWindow({
            application: this,
            title: 'Casilda Compositor',
            default_width: 800,
            default_height: 600,
            child: compositor
        });

        window.connect('close-request', () => {
            this.quit();
        });

        compositor.spawn_async (
            null,
            ["/usr/bin/gtk4-demo"],
            null,
            GLib.SpawnFlags.DEFAULT,
            null
        );

        window.present();
    }
});

let app = new CasildaApplication();
app.run([System.programInvocationName].concat(ARGV));