Show NSSegmentedControl menu when segment clicked, despite having set action

Question

I have an NSSegmentedControl on my UI with 4 buttons. The control is connected to a method that will call different methods depending on which segment is clicked:

Answer 1

This is the Swift version of the answer by J Hoover and the mod by Adam Treble. The override was not as intuitive as I thought it would be, so this will hopefully help someone else.

override var action : Selector {
        get {
            if self.menuForSegment(self.selectedSegment) != nil {
                return nil
            }
            return super.action
        }
        set {
            super.action = newValue
        }
    }