import gtk

class CmdWindow:
    def delete_event(self, widget, event, data=None):
        return False

    def destroy_event(self, widget, data=None):
        gtk.main_quit()

    def __init__(self):
        self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
        self.window.connect("delete_event", self.delete_event)
        self.window.connect("destroy", self.destroy_event)
        self.button = gtk.Button("Close Me")
        self.button.connect_object("clicked", gtk.Widget.destroy, self.window)
        self.window.add(self.button)
        self.button.show()
        self.window.show()

    def main(self):
        gtk.main()