isSelectLrc method
判断 index
指向的歌词是否应当高亮显示
Implementation
bool isSelectLrc(
int index,
int selectIndex, {
bool? isTr_original,
}) {
return (isSelectTranslate(index, selectIndex) ||
isSelectTranslate_original(
index,
selectIndex,
isTr_original: isTr_original,
));
}