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

#if canImport(GhosttyTerminal)
    import Combine
    import Foundation
    import GhosttyKit
    import GhosttyTerminal

    @MainActor
    public final class TailsshTerminalExtras: NSObject, ObservableObject,
        TerminalSurfaceTitleDelegate,
        TerminalSurfaceGridResizeDelegate,
        TerminalSurfaceFocusDelegate,
        TerminalSurfaceCloseDelegate,
        TerminalSurfaceBellDelegate,
        TerminalSurfaceDesktopNotificationDelegate,
        TerminalSurfacePwdDelegate,
        TerminalSurfaceCommandFinishedDelegate,
        TerminalSurfaceLifecycleDelegate,
        TerminalSurfaceOpenURLDelegate,
        TerminalSurfaceHoverLinkDelegate,
        TerminalSurfaceProgressReportDelegate,
        TerminalSurfaceTextSelectionRequestDelegate
    {
        public weak var state: TerminalViewState?

        public var onClose: ((Bool) -> Void)?
        public var onOpenURL: ((String, TerminalOpenURLKind) -> Void)?
        public var onDesktopNotification: ((String, String) -> Void)?
        public var onRequestTextSelection: ((TerminalTextSelectionRequest) -> Void)?

        @Published public var title: String = ""
        @Published public var hoveredLink: String?
        @Published public var lastProgressState: TerminalProgressState?
        @Published public var lastProgressPercent: Int?

        override public init() {
            super.init()
        }

        public func terminalDidChangeTitle(_ title: String) {
            state?.terminalDidChangeTitle(title)
            self.title = title
        }

        public func terminalDidResize(_ size: TerminalGridMetrics) {
            state?.terminalDidResize(size)
        }

        public func terminalDidChangeFocus(_ focused: Bool) {
            state?.terminalDidChangeFocus(focused)
        }

        public func terminalDidClose(processAlive: Bool) {
            state?.terminalDidClose(processAlive: processAlive)
            onClose?(processAlive)
        }

        public func terminalDidRingBell() {
            state?.terminalDidRingBell()
        }

        public func terminalDidRequestDesktopNotification(title: String, body: String) {
            state?.terminalDidRequestDesktopNotification(title: title, body: body)
            onDesktopNotification?(title, body)
        }

        public func terminalDidChangeWorkingDirectory(_ path: String) {
            state?.terminalDidChangeWorkingDirectory(path)
        }

        public func terminalDidFinishCommand(exitCode: Int?, durationNanos: UInt64) {
            state?.terminalDidFinishCommand(exitCode: exitCode, durationNanos: durationNanos)
        }

        public func terminalDidAttachSurface(_ surface: TerminalSurface) {
            state?.terminalDidAttachSurface(surface)
        }

        public func terminalDidDetachSurface() {
            state?.terminalDidDetachSurface()
        }

        public func terminalDidRequestOpenURL(_ url: String, kind: TerminalOpenURLKind) {
            onOpenURL?(url, kind)
        }

        public func terminalDidUpdateHoverLink(_ url: String?) {
            hoveredLink = url
        }

        public func terminalDidReportProgress(state: TerminalProgressState, percent: Int?) {
            lastProgressState = state
            lastProgressPercent = percent
        }

        public func terminalDidRequestTextSelection(_ request: TerminalTextSelectionRequest) {
            onRequestTextSelection?(request)
        }
    }
#endif