myactions.register_action ("Mixer", "scroll-left", _("Scroll Mixer Window to the left"), sigc::mem_fun (*this, &MixerActor::scroll_left));
myactions.register_action ("Mixer", "scroll-right", _("Scroll Mixer Window to the left"), sigc::mem_fun (*this, &MixerActor::scroll_right));
myactions.register_action ("Mixer", "scroll-left", _("Scroll Mixer Window to the left"), sigc::mem_fun (*this, &MixerActor::scroll_left));
myactions.register_action ("Mixer", "scroll-right", _("Scroll Mixer Window to the left"), sigc::mem_fun (*this, &MixerActor::scroll_right));