window.py 文件源码

def __make_headerbar(self):
        header = Gtk.HeaderBar()
        header.set_show_close_button(True)
        header.get_style_context().add_class("revolt-slim")
        spinner = Gtk.Spinner()
        header.pack_end(spinner)
        self.bind_property("network-busy", spinner, "active",
                           GObject.BindingFlags.DEFAULT)
        header.show_all()
        return header