+ _mixer_on_top = false;
+
+ roll_button.unset_flags (Gtk::CAN_FOCUS);
+ stop_button.unset_flags (Gtk::CAN_FOCUS);
+ goto_start_button.unset_flags (Gtk::CAN_FOCUS);
+ goto_end_button.unset_flags (Gtk::CAN_FOCUS);
+ auto_loop_button.unset_flags (Gtk::CAN_FOCUS);
+ play_selection_button.unset_flags (Gtk::CAN_FOCUS);
+ rec_button.unset_flags (Gtk::CAN_FOCUS);