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How to disable undo, redo, copy, and paste gestures using editingInteractionConfiguration

Swift version: 5.1

Paul Hudson    @twostraws   

iOS provides built-in gestures for undo, redo, copy, and paste in text views, triggered using a variety of three-finger moves – swiping left and right, or pinching in or out respectively. If you have existing gestures that collide with these, you can disable the system gestures by overriding the editingInteractionConfiguration property to return .none.

For example, if you have a UITextView as a property inside a UIViewController and you wanted to disable three-finger gesture support inside that view controller, you would override editingInteractionConfiguration like this:

override var editingInteractionConfiguration: UIEditingInteractionConfiguration {
    return .none
}

This property exists on UIResponder, which means you can override it at a number of other levels if you prefer.

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