sing-box-for-apple/ApplicationLibrary/Views/Terminal/TailsshTerminalSelectionViewController.swift

#if canImport(GhosttyTerminal) && canImport(UIKit) && !targetEnvironment(macCatalyst)
    import UIKit

    final class TailsshTerminalSelectionViewController: UIViewController, UITextViewDelegate {
        private let pendingText: String
        private let pendingAnchorRange: NSRange?

        var onDone: (() -> Void)?
        var onOpenURL: ((URL) -> Void)?

        private lazy var textView: UITextView = {
            let view = UITextView()
            view.isEditable = false
            view.isSelectable = true
            view.alwaysBounceVertical = true
            view.dataDetectorTypes = .link
            view.font = .monospacedSystemFont(ofSize: 14, weight: .regular)
            view.backgroundColor = .clear
            view.textColor = .label
            view.textContainerInset = .init(top: 12, left: 12, bottom: 12, right: 12)
            view.translatesAutoresizingMaskIntoConstraints = false
            view.delegate = self
            return view
        }()

        init(text: String, anchorRange: NSRange?) {
            pendingText = text
            pendingAnchorRange = anchorRange
            super.init(nibName: nil, bundle: nil)
        }

        @available(*, unavailable)
        required init?(coder _: NSCoder) {
            fatalError("init(coder:) has not been implemented")
        }

        override func viewDidLoad() {
            super.viewDidLoad()
            view.backgroundColor = .clear
            title = NSLocalizedString("Content", comment: "Title for the terminal text selection sheet")

            textView.text = pendingText
            view.addSubview(textView)

            NSLayoutConstraint.activate([
                textView.topAnchor.constraint(equalTo: view.topAnchor),
                textView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
                textView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
                textView.bottomAnchor.constraint(equalTo: view.bottomAnchor),
            ])

            navigationItem.rightBarButtonItem = UIBarButtonItem(
                barButtonSystemItem: .done,
                target: self,
                action: #selector(handleDone)
            )
        }

        override func viewWillAppear(_ animated: Bool) {
            super.viewWillAppear(animated)
            navigationController?.view.backgroundColor = .clear
            navigationController?.navigationBar.standardAppearance.configureWithTransparentBackground()
            navigationController?.navigationBar.scrollEdgeAppearance = navigationController?.navigationBar.standardAppearance
        }

        override func viewDidAppear(_ animated: Bool) {
            super.viewDidAppear(animated)
            textView.becomeFirstResponder()

            let nsText = textView.text as NSString
            if let range = pendingAnchorRange, NSMaxRange(range) <= nsText.length {
                textView.selectedRange = range
                textView.scrollRangeToVisible(range)
            } else {
                textView.selectAll(nil)
            }
        }

        @objc private func handleDone() {
            dismiss(animated: true) { [weak self] in
                self?.onDone?()
            }
        }

        @available(iOS 17.0, *)
        func textView(_: UITextView,
                      primaryActionFor textItem: UITextItem,
                      defaultAction: UIAction) -> UIAction?
        {
            guard case let .link(url) = textItem.content else { return defaultAction }
            return UIAction { [weak self] _ in
                self?.onOpenURL?(url)
            }
        }
    }
#endif