import gi

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


class LinkButtonWindow(Gtk.ApplicationWindow):
    def __init__(self, **kargs):
        super().__init__(**kargs, title="LinkButton Demo")

        button = Gtk.LinkButton(uri="https://www.gtk.org", label="Visit GTK Homepage")
        self.set_child(button)


def on_activate(app):
    win = LinkButtonWindow(application=app)
    win.present()


app = Gtk.Application(application_id="com.example.App")
app.connect("activate", on_activate)

app.run(None)