UIButton additions for macCatalyst

UIButton+Catalyst.swift

//
//  UIButton+Catalyst.swift
//  Elytra
//
//  Created by Nikhil Nigade on 09/07/21.
//  Copyright © 2021 Dezine Zync Studios. All rights reserved.
//

import UIKit

#if targetEnvironment(macCatalyst)
@available(iOS 14, macCatalyst 14, *)
extension UIButton {
    
    private static let keyEquivalentKeyPath: String = "_visualProvider._element._button._cell.keyEquivalent"
    
    /// Set to "\r" to mark as the primary action button in the context. See Apple's documentation for various possible values and combinations.
    var keyEquivalent: String? {
        get {
            value(forKeyPath: UIButton.keyEquivalentKeyPath) as? String
        }
        set {
            setValue(newValue, forKeyPath: UIButton.keyEquivalentKeyPath)
        }
    }
    
    private static let hasDestructiveActionKeyPath: String = "_visualProvider._element._button.hasDestructiveAction"
    
    /// Set to true if the button performs a destructive action. Rendered with red title.
    var hasDestructiveAction: Bool {
        get {
            (value(forKeyPath: UIButton.hasDestructiveActionKeyPath) as? Bool) ?? false
        }
        set {
            setValue(newValue, forKeyPath: UIButton.hasDestructiveActionKeyPath)
        }
    }
    
    private static let controlSizeKeyPath: String = "_visualProvider._element._button._controlSize"
    
    /// Refer to https://developer.apple.com/documentation/appkit/nscontrolsize for possible values. 0 is regular.
    var controlSize: Int64 {
        get {
            (value(forKeyPath: UIButton.controlSizeKeyPath) as? Int64) ?? 0
        }
        set {
            setValue(newValue, forKeyPath: UIButton.controlSizeKeyPath)
        }
    }
    
}
#endif

MIT License.