301 lines
13 KiB
Swift
301 lines
13 KiB
Swift
import SwiftUI
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import AppKit
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/// In-App-Terminal im Dracula-Look: Ausgabe (NSTextView, read-only) + Eingabezeile.
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/// Verbindet erst nach TCP-Vorab-Check (falscher Port/Host -> sofort klare Meldung).
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/// Zeilenumbruch ist an, Autoscroll ans Ende, Passwort-Modus via Auge-Icon.
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struct EmbeddedTerminalView: View {
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@ObservedObject var term: PTYSession
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let profile: ConnectionProfile
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var canConnect: Bool
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@State private var input = ""
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@State private var secureInput = false
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@State private var checking = false
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@State private var hostKeyRequest: HostKeyRequest?
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var body: some View {
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VStack(spacing: 0) {
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// Statuszeile
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HStack(spacing: 8) {
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statusDot
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Text(statusText).font(.caption).foregroundStyle(.secondary)
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Spacer()
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if term.isRunning {
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Button("Trennen") { term.stop() }.buttonStyle(.link).font(.caption)
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} else if canConnect && !checking {
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Button("Verbinden") { connect() }.buttonStyle(.link).font(.caption)
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}
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Button("Leeren") { term.clear() }.buttonStyle(.link).font(.caption)
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}
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.padding(.horizontal, 10)
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.padding(.vertical, 6)
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.background(Dracula.currentLine.opacity(0.35))
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// Fehler-Banner bei Fehlschlag (statt nur „Sitzung beendet")
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if failed {
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HStack(spacing: 8) {
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Image(systemName: "exclamationmark.triangle.fill")
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.foregroundStyle(Dracula.red)
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VStack(alignment: .leading, spacing: 2) {
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Text("Verbindung fehlgeschlagen\(exitSuffix)")
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.font(.callout).bold().foregroundStyle(Dracula.red)
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Text(lastMessage)
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.font(.caption).foregroundStyle(Dracula.foreground)
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.lineLimit(3)
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if lastMessage.localizedCaseInsensitiveContains("permission denied") {
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Text("Tipp: Passwort im Auge-Modus eingeben, Tastaturlayout prüfen. Falls Terminal.app ohne Passwort einloggt (Agent-Key: ssh-add -l), Key in der App hinterlegen oder Agent nutzen.")
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.font(.caption).foregroundStyle(Dracula.orange)
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}
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}
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Spacer()
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Button("Bericht kopieren") { copyReport() }
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.buttonStyle(.link).font(.caption)
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.help("Kopiert Profil (ohne Passwort), Status und letzte Ausgabe — hierher schicken zur Fehlersuche")
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Button("Diagnose") { diagnose() }.buttonStyle(.link).font(.caption)
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Button("Erneut") { connect() }.buttonStyle(.link).font(.caption)
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}
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.padding(8)
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.background(Dracula.red.opacity(0.12))
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.overlay(Rectangle().fill(Dracula.red.opacity(0.4)).frame(height: 1), alignment: .bottom)
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}
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// Ausgabe im Dracula-Theme
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DraculaTextView(lines: term.lines)
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.frame(maxWidth: .infinity, maxHeight: .infinity)
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// Eingabezeile
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HStack(spacing: 6) {
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Text("❯").font(.system(.body, design: .monospaced)).foregroundStyle(Dracula.green)
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// Gehärtetes Feld: keine macOS-Text-Ersetzungen (Passwort-Sonderzeichen!)
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ZStack(alignment: .leading) {
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if input.isEmpty {
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Text(secureInput ? "Eingabe (versteckt, z. B. Passwort) …" : "Eingabe …")
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.font(.system(.body, design: .monospaced))
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.foregroundStyle(Dracula.comment.opacity(0.7))
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.allowsHitTesting(false)
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}
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TerminalInputField(text: $input, isSecure: secureInput, onSubmit: submit)
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.id(secureInput)
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.frame(height: 22)
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}
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Button(action: { secureInput.toggle() }) {
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Image(systemName: secureInput ? "eye.slash" : "eye")
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}
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.buttonStyle(.plain).foregroundStyle(Dracula.comment)
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.help("Passwort-Modus (versteckte Eingabe)")
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Button("Senden") { submit() }
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.disabled(input.isEmpty || !term.isRunning)
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ControlButton(label: "^C", tip: "SIGINT (Strg+C)") { term.send("\u{03}") }
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ControlButton(label: "^D", tip: "EOF (Strg+D)") { term.send("\u{04}") }
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}
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.padding(8)
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.background(Dracula.background)
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}
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.background(Dracula.background)
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.cornerRadius(10)
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.overlay(RoundedRectangle(cornerRadius: 10).stroke(Dracula.currentLine, lineWidth: 1))
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.onAppear {
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if case .never = term.state {
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connect() // Auto-Connect beim Öffnen des Tabs
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}
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}
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.sheet(item: $hostKeyRequest) { req in
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HostKeySheet(info: req.info, isChange: req.isChange,
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onAccept: { acceptHostKey(req) },
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onCancel: {
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hostKeyRequest = nil
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checking = false
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term.fail("Host-Key nicht akzeptiert — Verbindung abgebrochen.")
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})
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}
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}
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func connect() {
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guard canConnect, !term.isRunning, !checking else { return }
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checking = true
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TCPCheck.check(host: profile.host, port: profile.port) { message in
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DispatchQueue.main.async {
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if let message {
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checking = false
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term.fail("Vorab-Check: \(message)")
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return
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}
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// Host-Key vorab per keyscan prüfen (Yes/No-Prompt käme ohne Ctty nicht an).
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// Läuft im Hintergrund: ssh-keyscan blockiert Sekunden (kein UI-Freeze).
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let host = profile.host
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let port = profile.port
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DispatchQueue.global(qos: .userInitiated).async {
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let hk = HostKeyService.status(host: host, port: port)
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DispatchQueue.main.async {
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switch hk {
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case .known, .unreachable:
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checking = false
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term.start()
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case .unknown(let info):
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hostKeyRequest = HostKeyRequest(info: info, isChange: false)
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case .changed(let info):
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hostKeyRequest = HostKeyRequest(info: info, isChange: true)
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}
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}
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}
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}
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}
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}
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func acceptHostKey(_ req: HostKeyRequest) {
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hostKeyRequest = nil
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if req.isChange {
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_ = HostKeyService.revoke(host: profile.host, port: profile.port)
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}
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if HostKeyService.accept(req.info) {
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checking = false
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term.note("Host-Key akzeptiert (\(req.info.keyType), \(req.info.fingerprintSHA256.prefix(19))…).")
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term.start()
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} else {
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checking = false
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term.fail("Host-Key konnte nicht in known_hosts gespeichert werden.")
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}
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}
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func diagnose() {
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guard !checking else { return }
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checking = true
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term.note("Diagnose: TCP \(profile.host):\(profile.port) …")
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TCPCheck.check(host: profile.host, port: profile.port) { message in
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DispatchQueue.main.async {
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checking = false
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if let message {
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term.note("Diagnose: \(message)")
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} else {
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term.note("Diagnose: Port offen — ssh selbst lehnt ab (User/Key/Passwort/Hostkey prüfen).")
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}
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}
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}
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}
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func submit() {
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guard term.isRunning, !input.isEmpty else { return }
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term.send(input + "\n")
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input = ""
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}
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/// Fehlerbericht ohne Secrets (Passwort steht weder im Profil noch im Befehl).
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/// Hinweis: Wer das Passwort sichtbar eingetippt hat (nicht Auge-Modus),
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/// löscht die Ausgabe vorher per „Leeren".
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func copyReport() {
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var r = "RemminaMac Fehlerbericht\n"
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r += "Profil: \(profile.name) | \(profile.proto.rawValue) | \(profile.username)@\(profile.host):\(profile.port)\n"
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r += "Auto-Login: \(term.autoLogin ? "ja" : "nein") | sshpass: \(SSHService.findSshpass() ?? "fehlt")\n"
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r += "Status: \(statusText)\n"
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let tail = term.lines.suffix(20).map { $0.map(\.text).joined() }.joined(separator: "\n")
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r += "--- letzte Ausgabe ---\n\(tail)\n"
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NSPasteboard.general.clearContents()
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NSPasteboard.general.setString(r, forType: .string)
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}
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var failed: Bool {
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if case .done(let code, _) = term.state {
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return (code ?? 1) != 0
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}
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return false
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}
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var exitSuffix: String {
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if case .done(let code, _) = term.state, let code {
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return " (Exit \(code))"
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}
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return ""
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}
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var lastMessage: String {
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for row in term.lines.reversed() {
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let t = row.map(\.text).joined().trimmingCharacters(in: .whitespacesAndNewlines)
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if !t.isEmpty && !t.hasPrefix("—") { return t }
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}
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if case .done(_, let msg) = term.state { return msg }
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return "Unbekannter Fehler."
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}
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var statusDot: some View {
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Group {
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if checking || term.isRunning { Image(systemName: "circle.fill").foregroundStyle(Dracula.green) }
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else if case .done = term.state { Image(systemName: "circle.fill").foregroundStyle(failed ? Dracula.red : Dracula.comment) }
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else { Image(systemName: "circle.fill").foregroundStyle(Dracula.comment) }
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}.font(.caption2)
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}
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var statusText: String {
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if checking { return "Prüfe \(profile.host):\(profile.port) …" }
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switch term.state {
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case .never: return canConnect ? "Bereit — verbindet beim Öffnen." : "Host/Benutzer fehlt."
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case .running: return term.autoLogin ? "Verbunden (Auto-Login via Keychain)." : "Verbunden (PTY, TERM=xterm-256color)."
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case .done(_, let msg): return msg
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}
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}
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}
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struct ControlButton: View {
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var label: String
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var tip: String
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var action: () -> Void
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var body: some View {
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Button(label, action: action)
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.font(.system(.caption, design: .monospaced))
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.foregroundStyle(Dracula.orange)
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.buttonStyle(.plain)
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.padding(.horizontal, 6)
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.padding(.vertical, 2)
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.background(Dracula.currentLine.opacity(0.6), in: RoundedRectangle(cornerRadius: 5))
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.help(tip)
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}
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}
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/// Read-only NSTextView mit Dracula-Farben, baut NSAttributedString aus StyledText-Zeilen.
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struct DraculaTextView: NSViewRepresentable {
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var lines: [[StyledText]]
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func makeNSView(context: Context) -> NSScrollView {
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let scroll = NSScrollView()
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scroll.hasVerticalScroller = true
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scroll.drawsBackground = true
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scroll.backgroundColor = Dracula.nsBackground
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let tv = NSTextView()
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tv.isEditable = false
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tv.isSelectable = true
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tv.backgroundColor = Dracula.nsBackground
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tv.textColor = Dracula.nsColor(for: nil)
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tv.font = .monospacedSystemFont(ofSize: 12, weight: .regular)
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tv.textContainerInset = NSSize(width: 8, height: 8)
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tv.isAutomaticQuoteSubstitutionEnabled = false
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scroll.documentView = tv
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return scroll
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}
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func updateNSView(_ scroll: NSScrollView, context: Context) {
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guard let tv = scroll.documentView as? NSTextView else { return }
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let attr = NSMutableAttributedString()
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let font = NSFont.monospacedSystemFont(ofSize: 12, weight: .regular)
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let boldFont = NSFontManager.shared.convert(font, toHaveTrait: .boldFontMask)
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for (idx, row) in lines.enumerated() {
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if row.isEmpty {
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attr.append(NSAttributedString(string: idx < lines.count - 1 ? "\n" : ""))
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continue
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}
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for seg in row {
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let attrs: [NSAttributedString.Key: Any] = [
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.font: seg.style.bold ? boldFont : font,
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.foregroundColor: Dracula.nsColor(for: seg.style.fg),
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.backgroundColor: seg.style.bg.map { Dracula.nsColor(for: $0) } ?? Dracula.nsBackground
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]
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attr.append(NSAttributedString(string: seg.text, attributes: attrs))
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}
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if idx < lines.count - 1 { attr.append(NSAttributedString(string: "\n")) }
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}
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// Nur neu setzen wenn geändert (Performance bei viel Output)
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if tv.textStorage?.string != attr.string {
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tv.textStorage?.setAttributedString(attr)
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}
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tv.scrollToEndOfDocument(nil)
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}
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}
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