Disables the 3-Finger Gestures in iOS 13

UIUndoGestureRecognizerFixes.m

//
//  UIUndoGestureRecognizerFixes.m
//  no u
//
//  Created by Adam Bell on 8/22/19.
//  Copyright © 2019 Adam Bell. All rights reserved.
//

#import "UIUndoGestureRecognizerFixes.h"

#import <UIKit/UIKit.h>

#import <objc/runtime.h>

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wundeclared-selector"

@implementation UIUndoGestureRecognizerFixes

+ (void)load
{
  if (@available(iOS 13, *)) {
    Class UIUndoGestureInteractionClass = NSClassFromString(@"UIUndoGestureInteraction");
    SEL addGestureRecognizersSelector = @selector(_addGestureRecognizers);
    IMP doNothing = imp_implementationWithBlock(^void(id slef){
      return;
    });

    method_setImplementation(class_getInstanceMethod(UIUndoGestureInteractionClass, addGestureRecognizersSelector),
                                                     doNothing);
  }
}

@end

#pragma clang diagnostic pop