Function

GObject-2.0 ▶ GObject ▶ signal_override_class_handlerSince 2.18

  • Overrides the class closure (i.e. the default handler) for the given signal for emissions on instances of instance_type with callback class_handler. instance_type must be derived from the type to which the signal belongs.

    See g_signal_chain_from_overridden() and g_signal_chain_from_overridden_handler() for how to chain up to the parent class closure from inside the overridden one.

    Parameters

    • signal_name: string

      the name for the signal

    • instance_type: GType

      the instance type on which to override the class handler for the signal.

    • class_handler: GObject.Callback

      the handler.

    Returns void

    2.18