static void
panel_action_button_update_sensitivity (PanelActionButton *button)
{
	if (actions [button->priv->type].is_disabled)
		button_widget_set_activatable (BUTTON_WIDGET (button),
					       !actions [button->priv->type].is_disabled ());
}
static void
panel_action_button_update_sensitivity (PanelLockdown *lockdown,
					gpointer       user_data)
{
	PanelActionButton *button = user_data;

	if (actions [button->priv->type].is_disabled)
		button_widget_set_activatable (BUTTON_WIDGET (button),
					       !actions [button->priv->type].is_disabled ());
}