NSPressGestureRecognizer called before minimumPressDuration - macos

Question

I need my NSButton to respond to regular clicks, as well as long presses. I am adding NSPressGestureRecognizer like so:
override func viewDidLoad() {
super.viewDidLoad()
let gr = NSPressGestureRecognizer()
gr.minimumPressDuration = 1
gr.action = #selector(handleLongPress)
button.addGestureRecognizer(gr)
}
func handleLongPress(gr: NSPressGestureRecognizer) {
if gr.state == .Began {
Swift.print("long press")
}
}
Unfortunately, the handleLongPress randomly fires even at short single clicks, or double clicks. It happens even if i set the minimumPressDuration to higher values.
I have tried playing with the shouldBeRequiredToFailByGestureRecognizer but it is not solving the problem.
Is there something i am missing with my code?

Answer 1

I have solved this by handling multiple gesture recognizers:
the class must implement NSGestureRecognizerDelegate
var singleClick:NSClickGestureRecognizer?
var longClick:NSPressGestureRecognizer?
override func viewDidLoad() {
super.viewDidLoad()
longClick = NSPressGestureRecognizer()
longClick!.minimumPressDuration = 1
longClick!.action = #selector(handleGestureLong)
longClick!.delegate = self
singleClick = NSClickGestureRecognizer()
singleClick?.numberOfClicksRequired = 1
singleClick!.action = #selector(handleGestureSingle)
singleClick!.delegate = self
btn.addGestureRecognizer(longClick!)
btn.addGestureRecognizer(singleClick!)
}
func gestureRecognizer(gestureRecognizer: NSGestureRecognizer, shouldRequireFailureOfGestureRecognizer otherGestureRecognizer: NSGestureRecognizer) -> Bool {
if gestureRecognizer == singleClick && otherGestureRecognizer == longClick {
return false
}
return true
}
func handleGestureSingle(gr: NSClickGestureRecognizer) {
switch gr.state {
case .Ended:
print("single click")
break
default:
break
}
}
func handleGestureLong(gr: NSPressGestureRecognizer) {
switch gr.state {
case .Began:
print("long click")
break
default:
break
}
}