_status_bar_visibility.add (&buffer_load_label, X_("Buffers"), _("Buffers"), true);
_status_bar_visibility.add (&sample_rate_label, X_("Audio"), _("Audio"), true);
_status_bar_visibility.add (&timecode_format_label, X_("TCFormat"), _("Timecode Format"), true);
_status_bar_visibility.add (&format_label, X_("Format"), _("File Format"), true);
ev->signal_button_press_event().connect (sigc::mem_fun (_status_bar_visibility, &VisibilityGroup::button_press_event));
_status_bar_visibility.add (&buffer_load_label, X_("Buffers"), _("Buffers"), true);
_status_bar_visibility.add (&sample_rate_label, X_("Audio"), _("Audio"), true);
_status_bar_visibility.add (&timecode_format_label, X_("TCFormat"), _("Timecode Format"), true);
_status_bar_visibility.add (&format_label, X_("Format"), _("File Format"), true);
ev->signal_button_press_event().connect (sigc::mem_fun (_status_bar_visibility, &VisibilityGroup::button_press_event));