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SwiftUI View for getting taps with(!) the tap locations unlike the current tapAction and tapGestures of SwiftUI
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// SwiftUI View for getting taps with(!) the tap locations unlike the current tapAction and tapGestures of SwiftUI | |
// There may be a way easier way to do this, not sure... | |
/* | |
Use like so: | |
TappableView { | |
(location, taps) in | |
if taps == 1 { | |
print("single tap at \(location)") | |
} else if taps == 2 { | |
print("double tap at \(location)") | |
} | |
} | |
*/ | |
struct TappableView:UIViewRepresentable { | |
var tappedCallback: ((CGPoint, Int) -> Void) | |
func makeUIView(context: UIViewRepresentableContext<TappableView>) -> UIView { | |
let v = UIView(frame: .zero) | |
let gesture = UITapGestureRecognizer(target: context.coordinator, action: #selector(Coordinator.tapped)) | |
gesture.numberOfTapsRequired = 1 | |
let gesture2 = UITapGestureRecognizer(target: context.coordinator, action: #selector(Coordinator.doubleTapped)) | |
gesture2.numberOfTapsRequired = 2 | |
gesture.require(toFail: gesture2) | |
v.addGestureRecognizer(gesture) | |
v.addGestureRecognizer(gesture2) | |
return v | |
} | |
class Coordinator: NSObject { | |
var tappedCallback: ((CGPoint, Int) -> Void) | |
init(tappedCallback: @escaping ((CGPoint, Int) -> Void)) { | |
self.tappedCallback = tappedCallback | |
} | |
@objc func tapped(gesture:UITapGestureRecognizer) { | |
let point = gesture.location(in: gesture.view) | |
self.tappedCallback(point, 1) | |
} | |
@objc func doubleTapped(gesture:UITapGestureRecognizer) { | |
let point = gesture.location(in: gesture.view) | |
self.tappedCallback(point, 2) | |
} | |
} | |
func makeCoordinator() -> TappableView.Coordinator { | |
return Coordinator(tappedCallback:self.tappedCallback) | |
} | |
func updateUIView(_ uiView: UIView, context: UIViewRepresentableContext<TappableView>) { | |
} | |
} |
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