ghostty/macos/Sources/Helpers/NSView+Extension.swift

import AppKit

extension NSView {
    /// Recursively finds and returns the first descendant view that has the given class name.
    func firstDescendant(withClassName name: String) -> NSView? {
        for subview in subviews {
            if String(describing: type(of: subview)) == name {
                return subview
            } else if let found = subview.firstDescendant(withClassName: name) {
                return found
            }
        }

        return nil
    }

    /// Recursively finds and returns descendant views that have the given class name.
    func descendants(withClassName name: String) -> [NSView] {
        var result = [NSView]()

        for subview in subviews {
            if String(describing: type(of: subview)) == name {
                result.append(subview)
            }

            result += subview.descendants(withClassName: name)
        }

        return result
    }
}