sabrinajiang14 / marqueelabel Goto Github PK

//===----------------------------------------------------------------------===//
// MARK: -
typealias Label = UIView

@dynamicMemberLookup
final class MarqueeLabel: Label {
    //===----------------------------------------------------------------------===//
    // MARK:
    private let innerLabel = UILabel(frame: .zero)
   
       
    //===----------------------------------------------------------------------===//
    // MARK:
    subscript<T>(dynamicMember keyPath: ReferenceWritableKeyPath<UILabel, T>) -> T {
        get { innerLabel[keyPath: keyPath] }
        set {
            if keyPath == \UILabel.numberOfLines { return }
            innerLabel[keyPath: keyPath] = newValue
        }
    }
}

let ml = MarqueeLabel(frame: .zero)
ml.translatesAutoresizingMaskIntoConstraints = false
ml.text = "SDlkflsdkf SDLFK SdlfKSLDF:K sdfl:SDFKSLD:FK"
ml.font = .preferredFont(forTextStyle: .title1)