#!/usr/bin/env python3 import gi gi.require_version('Gtk', '3.0') from gi.repository import Gtk class Handler: def onDeleteWindow(self, *args): Gtk.main_quit(*args) def on_close_button_clicked(self, button): print(builder.get_objects()) Gtk.main_quit() def on_show_on_next_login_toggled(): print("Button has been toggled") print("(but nothing happens yet)") builder = Gtk.Builder() builder.add_from_file("/usr/share/hamara-desktop-welcome/welcome.glade") builder.connect_signals(Handler()) window = builder.get_object("window1") window.show_all() #Gtk.Button.set_label(label="Hi there") Gtk.main()