main.py 文件源码

def new(cls, action_name, obj, property_name):
        default = obj.get_property(property_name)
        self = cls.__new__(cls)
        self.obj = obj
        self.property_name = property_name
        if isinstance(default, str):
            self.type_name = "s"
            param_type = GLib.VariantType.new("s")
        elif isinstance(default, bool):
            self.type_name = "b"
            param_type = None
        else:
            raise AssertionError("Don't know what to do with {}".format(type(default)))
        self.action = Gio.SimpleAction.new_stateful(action_name, param_type, GLib.Variant(self.type_name, default))
        if isinstance(default, str):
            self.action.connect('change-state', self.change_state)
        elif isinstance(default, bool):
            self.action.connect('activate', self.activate)
        obj.connect('notify::' + property_name, self.changed)
        return self.action