// VZ: this is really weird but GTK+ seems to call us from inside
// gtk_widget_grab_focus(), i.e. it first sends "focus_out" signal to
// this widget and then "focus_in". This is totally unexpected and
// VZ: this is really weird but GTK+ seems to call us from inside
// gtk_widget_grab_focus(), i.e. it first sends "focus_out" signal to
// this widget and then "focus_in". This is totally unexpected and