/* * Get the visibility of the equalizer window. * * This method raises an Xmms::Error exception if XMMS is not running. * * Examples: * puts 'equalizer window visible' if remote.equalizer_visible? * puts 'equalizer window visible' if remote.eq_visible? * puts 'equalizer window visible' if remote.equalizer? * puts 'equalizer window visible' if remote.eq? * */ static VALUE xr_is_eq(VALUE self) {