enricobuehler
e04328f086
ci / rust (push) Has been cancelled
The Apple client now consumes the connector's clock offset. PunktfunkConnection
reads punktfunk_connection_clock_offset_ns into clockOffsetNs at connect; a new
LatencyMeter (PunktfunkKit, NSLock + percentiles, mirrors FrameMeter) records each
AU's capture->client-receipt latency = now(CLOCK_REALTIME) + offset - pts_ns, and
SessionModel drains p50/p95 into the macOS HUD ("capture->client N/N ms p50/p95",
"(same-host)" when the host didn't answer the skew handshake). Wired at the
existing onFrame hook in ContentView — additive, no change to the decode/present
path. Unit test for the meter (percentiles, skew flag, absurd-value guard).
This is the first cross-machine latency the real Apple client reports. SCOPE:
stage-1 AVSampleBufferDisplayLayer decodes+presents compressed samples internally
with no per-frame callback, so this excludes decode+present; true decode->present
needs the stage-2 presenter (VTDecompressionSession + CAMetalLayer). Rebuild
PunktfunkCore.xcframework (for the new C getter) before swift build/test on a Mac.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
590 lines
23 KiB
Swift
590 lines
23 KiB
Swift
// Hosts grid ⇄ trust prompt ⇄ live stream.
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//
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// Home is a grid of saved hosts (click to connect); "+" in the toolbar adds one; the
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// stream mode lives in Settings (⌘,). Two ways to establish trust on first contact:
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// the TOFU prompt (host fingerprint over the live-but-blurred stream, user compares it
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// with the host's log) or the PIN pairing ceremony (right-click a card → "Pair with
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// PIN…", or from the trust prompt itself) — pairing verifies both sides at once and is
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// the only way into hosts running --require-pairing. Once pinned, reconnects are silent
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// and a changed host identity refuses to connect.
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#if os(macOS)
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import AppKit
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#endif
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import PunktfunkKit
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import SwiftUI
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#if os(tvOS)
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import SwiftUINavigationTransitions
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#endif
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struct ContentView: View {
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@StateObject private var model = SessionModel()
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@StateObject private var store = HostStore()
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@AppStorage("punktfunk.width") private var width = 1920
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@AppStorage("punktfunk.height") private var height = 1080
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@AppStorage("punktfunk.hz") private var hz = 60
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@AppStorage("punktfunk.compositor") private var compositor = 0
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@AppStorage("punktfunk.gamepadType") private var gamepadType = 0
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@State private var showAddHost = false
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@State private var pairingTarget: StoredHost?
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#if !os(macOS)
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@State private var showSettings = false
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#endif
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var body: some View {
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Group {
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// The stream view's structural identity MUST be stable across the
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// awaiting-trust → streaming transition: recreating it restarts the pump,
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// which has then already missed the opening IDR (infinite GOP — no other
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// keyframe ever comes) and decodes nothing. So: one branch per connection,
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// trust prompt as an overlay.
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if model.connection != nil {
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sessionView
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} else {
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home
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}
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}
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.onAppear {
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seedDefaultModeIfNeeded()
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autoConnectIfAsked()
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}
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.onChange(of: model.phase) { _, phase in
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// A session actually started — remember it on the card ("Connected … ago"
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// plus the accent ring on the most recent host).
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if case .streaming = phase, let host = model.activeHost {
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store.markConnected(host.id)
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}
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}
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.onDisappear { model.disconnect() } // window closed mid-session (Cmd+N spawns more)
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// On the outer Group so the sheet survives the trust-prompt → home transition
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// (the "Pair with PIN instead" path disconnects first — the host's accept loop
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// is sequential, a pairing connection would queue behind the live session).
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#if !os(tvOS)
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.sheet(item: $pairingTarget) { host in
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PairSheet(host: host) { fingerprint in
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// Backstop against a stale ceremony surfacing after dismissal (PairSheet
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// also self-discards those): only act while this host's sheet is up.
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guard pairingTarget?.id == host.id else { return }
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store.pin(host.id, fingerprint: fingerprint)
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var pinned = host
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pinned.pinnedSHA256 = fingerprint
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connect(pinned)
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}
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}
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#endif
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}
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private var sessionView: some View {
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let pendingFingerprint: Data? = {
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if case .awaitingTrust(let fp) = model.phase { return fp }
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return nil
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}()
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return ZStack {
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stream(captureEnabled: pendingFingerprint == nil)
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.blur(radius: pendingFingerprint != nil ? 32 : 0)
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.overlay {
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if pendingFingerprint != nil {
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Color.black.opacity(0.45)
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}
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}
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if let fp = pendingFingerprint {
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trustCard(fp)
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}
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}
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#if os(macOS)
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.frame(minWidth: 640, minHeight: 360)
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.background(Color.black)
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#elseif os(iOS)
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// Streaming is immersive: edge-to-edge under the status bar and home
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// indicator, both hidden for the session (they return with the hosts grid).
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.background(Color.black)
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.ignoresSafeArea()
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.statusBarHidden(true)
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.persistentSystemOverlays(.hidden)
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#else
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.background(Color.black)
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.ignoresSafeArea()
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#endif
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}
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// MARK: - Home (hosts grid)
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private var home: some View {
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NavigationStack {
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Group {
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if store.hosts.isEmpty {
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emptyState
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} else {
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ScrollView {
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LazyVGrid(columns: gridColumns, spacing: gridSpacing) {
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ForEach(store.hosts) { host in
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hostCard(host)
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}
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}
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.padding()
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#if os(tvOS)
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// Actions live below the hosts, not between them.
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HStack(spacing: 32) {
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Button {
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showAddHost = true
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} label: {
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Label("Add Host", systemImage: "plus")
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}
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Button {
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showSettings = true
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} label: {
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Label("Settings", systemImage: "gearshape")
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}
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}
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.padding(.top, 24)
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#endif
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}
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}
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}
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.navigationTitle("Punktfunkempfänger")
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#if os(tvOS)
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// Pushed routes — the Settings-app navigation feel (push animation, Menu
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// pops) instead of modal overlays.
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.navigationDestination(isPresented: $showAddHost) {
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AddHostSheet { store.add($0) }
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}
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.navigationDestination(isPresented: $showSettings) {
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SettingsView()
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}
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.navigationDestination(item: $pairingTarget) { host in
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PairSheet(host: host) { fingerprint in
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guard pairingTarget?.id == host.id else { return }
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store.pin(host.id, fingerprint: fingerprint)
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var pinned = host
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pinned.pinnedSHA256 = fingerprint
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connect(pinned)
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}
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}
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#endif
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#if !os(tvOS)
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.toolbar {
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#if os(iOS)
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// Adjacent trailing items share one glass pill (the system default).
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ToolbarItem(placement: .topBarTrailing) { settingsButton }
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ToolbarItem(placement: .topBarTrailing) { addHostButton }
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#else
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ToolbarItem(placement: .primaryAction) {
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addHostButton
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.help("Add a host")
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}
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ToolbarItem {
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SettingsLink {
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Label("Settings", systemImage: "gearshape")
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}
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.help("Stream mode and settings")
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}
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#endif
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}
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#endif
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}
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#if os(macOS)
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.frame(minWidth: 480, minHeight: 360)
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#endif
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#if os(tvOS)
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// The Settings-app slide for every push in this stack (top-level routes AND
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// the pickers' drill-ins) — SwiftUI's default on tvOS is a bare crossfade.
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// Spring-driven (UISpringTimingParameters): ~0.87 damping ratio — settles fast
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// with just a hint of life, no visible overshoot ping-pong.
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.customNavigationTransition(
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.slide.animation(.interpolatingSpring(stiffness: 300, damping: 30)))
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#endif
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#if !os(tvOS)
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.sheet(isPresented: $showAddHost) {
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AddHostSheet { store.add($0) }
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}
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#if os(iOS)
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.sheet(isPresented: $showSettings) {
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NavigationStack {
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SettingsView()
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.navigationTitle("Settings")
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.toolbar {
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Button("Done") { showSettings = false }
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}
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}
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}
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#endif
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#endif
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.alert(
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"Connection failed",
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isPresented: Binding(
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get: { model.errorMessage != nil },
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set: { if !$0 { model.errorMessage = nil } }
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)
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) {
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Button("OK", role: .cancel) {}
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} message: {
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Text(model.errorMessage ?? "")
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}
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}
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/// macOS caps card width (a huge window shouldn't yield huge cards); on iOS the
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/// columns FILL the width so the cards stay edge-aligned with the title and bars —
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/// sized touch-first: one column on iPhone portrait, 3–4 generous cards on iPad.
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private var gridColumns: [GridItem] {
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#if os(macOS)
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[GridItem(.adaptive(minimum: 180, maximum: 240), spacing: 16)]
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#elseif os(tvOS)
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[GridItem(.adaptive(minimum: 320), spacing: 48)]
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#else
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[GridItem(.adaptive(minimum: 280), spacing: 16)]
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#endif
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}
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private var gridSpacing: CGFloat {
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#if os(tvOS)
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48 // the focused card scales up — give it room instead of overlapping siblings
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#else
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16
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#endif
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}
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private var addHostButton: some View {
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Button {
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showAddHost = true
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} label: {
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Label("Add Host", systemImage: "plus")
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}
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}
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#if !os(macOS)
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private var settingsButton: some View {
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Button {
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showSettings = true
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} label: {
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Label("Settings", systemImage: "gearshape")
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}
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}
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#endif
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private var emptyState: some View {
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ContentUnavailableView {
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Label("No Hosts", systemImage: "rectangle.connected.to.line.below")
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} description: {
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Text("Add your punktfunk host with the + button.")
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} actions: {
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Button("Add Host") { showAddHost = true }
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.buttonStyle(.borderedProminent)
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#if os(iOS)
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.controlSize(.large)
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#endif
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#if os(tvOS)
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Button("Settings") { showSettings = true }
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#endif
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}
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}
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private func hostCard(_ host: StoredHost) -> some View {
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let isConnecting = model.phase == .connecting && model.activeHost?.id == host.id
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#if os(iOS)
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let iconSize: CGFloat = 56
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let iconBox: CGFloat = 76
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let cardPadding: CGFloat = 28
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let nameFont = Font.title3.weight(.semibold)
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#else
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let iconSize: CGFloat = 42
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let iconBox: CGFloat = 56
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let cardPadding: CGFloat = 18
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let nameFont = Font.headline
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#endif
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return Button {
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connect(host)
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} label: {
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VStack(spacing: 10) {
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ZStack {
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Image(systemName: "play.display")
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.font(.system(size: iconSize, weight: .light))
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.foregroundStyle(.tint)
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.opacity(isConnecting ? 0.3 : 1)
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if isConnecting {
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ProgressView()
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}
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}
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.frame(height: iconBox)
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VStack(spacing: 2) {
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Text(host.displayName)
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.font(nameFont)
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.lineLimit(1)
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HStack(spacing: 4) {
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if host.pinnedSHA256 != nil {
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Image(systemName: "lock.fill")
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.font(.system(size: 9))
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.foregroundStyle(.secondary)
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}
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Text("\(host.address):\(String(host.port))")
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.font(.caption)
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.foregroundStyle(.secondary)
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.lineLimit(1)
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}
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if let last = host.lastConnected {
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Text("Connected \(last, format: .relative(presentation: .named))")
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.font(.caption2)
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.foregroundStyle(.tertiary)
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.lineLimit(1)
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}
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}
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}
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.frame(maxWidth: .infinity)
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.padding(.vertical, cardPadding)
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.padding(.horizontal, 12)
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#if !os(tvOS)
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// tvOS: the .card button style owns platter + focus motion — extra chrome
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// inside it mutes the grow/tilt. Material + accent ring are for pointer UIs.
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.background(.regularMaterial, in: RoundedRectangle(cornerRadius: 14))
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.overlay {
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if host.id == mostRecentHostID {
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RoundedRectangle(cornerRadius: 14)
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.strokeBorder(Color.accentColor.opacity(0.35), lineWidth: 1.5)
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}
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}
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#endif
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}
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#if os(tvOS)
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.buttonStyle(.card)
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#else
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.buttonStyle(.plain)
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#endif
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.disabled(model.isBusy)
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.contextMenu {
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Button("Pair with PIN…") {
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guard !model.isBusy else { return }
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pairingTarget = host
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}
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if host.pinnedSHA256 != nil {
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Button("Forget Identity") { store.forgetIdentity(host) }
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}
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Button("Remove", role: .destructive) { store.remove(host) }
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}
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}
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/// First run on iOS: default the stream mode to this device's native screen so the
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/// video fills the display instead of letterboxing 1920×1080 onto a 4:3 iPad. (The
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/// compiled-in AppStorage defaults only apply until any value is saved; macOS keeps
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/// 1080p — a desktop window is not the screen.)
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private func seedDefaultModeIfNeeded() {
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#if !os(macOS)
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let defaults = UserDefaults.standard
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guard defaults.object(forKey: "punktfunk.width") == nil else { return }
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let bounds = UIScreen.main.nativeBounds // portrait-oriented pixels
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defaults.set(Int(max(bounds.width, bounds.height)), forKey: "punktfunk.width")
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defaults.set(Int(min(bounds.width, bounds.height)), forKey: "punktfunk.height")
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defaults.set(UIScreen.main.maximumFramesPerSecond, forKey: "punktfunk.hz")
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#endif
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}
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/// The host of the most recent session — its card carries the accent ring.
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private var mostRecentHostID: UUID? {
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store.hosts
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.compactMap { host in host.lastConnected.map { (host.id, $0) } }
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.max { $0.1 < $1.1 }?.0
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}
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private func connect(_ host: StoredHost) {
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// The gamepad-type setting resolves NOW (Automatic → match the active physical
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// controller): the host's virtual pad backend is fixed per session.
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model.connect(
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to: host,
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width: UInt32(clamping: width), height: UInt32(clamping: height),
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hz: UInt32(clamping: hz),
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compositor: PunktfunkConnection.Compositor(
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rawValue: UInt32(clamping: compositor)) ?? .auto,
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gamepad: GamepadManager.shared.resolveType(
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setting: PunktfunkConnection.GamepadType(
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rawValue: UInt32(clamping: gamepadType)) ?? .auto))
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}
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// MARK: - Trust on first use
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private func trustCard(_ fingerprint: Data) -> some View {
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VStack(spacing: 14) {
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Image(systemName: "lock.shield")
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.font(.system(size: 36, weight: .light))
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.foregroundStyle(.tint)
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Text("Verify \(model.activeHost?.displayName ?? "host")")
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.font(.title3.weight(.semibold))
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Text("First connection. Compare this fingerprint with the one "
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+ "punktfunk-host logged at startup (\u{201C}clients pin this "
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+ "fingerprint\u{201D}):")
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.font(.callout)
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.foregroundStyle(.secondary)
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.multilineTextAlignment(.center)
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Text(Self.format(fingerprint: fingerprint))
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.font(.system(.callout, design: .monospaced))
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#if !os(tvOS)
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.textSelection(.enabled)
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#endif
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.padding(10)
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.background(.quaternary, in: RoundedRectangle(cornerRadius: 8))
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HStack(spacing: 12) {
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Button("Cancel", role: .cancel) { model.rejectTrust() }
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#if !os(tvOS)
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.keyboardShortcut(.cancelAction)
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#endif
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Button("Trust & Connect") {
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if let fp = model.confirmTrust(), let host = model.activeHost {
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store.pin(host.id, fingerprint: fp)
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}
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}
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.buttonStyle(.borderedProminent)
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#if !os(tvOS)
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.keyboardShortcut(.defaultAction)
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#endif
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}
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#if os(iOS)
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.controlSize(.large)
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#endif
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// The verified alternative to eyeballing hex: drop this session (the host
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// serves one connection at a time) and run the SPAKE2 PIN ceremony instead.
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Button("Pair with PIN instead…") {
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let host = model.activeHost
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model.rejectTrust()
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pairingTarget = host
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}
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#if os(macOS)
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.buttonStyle(.link)
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#else
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.buttonStyle(.borderless)
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#endif
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.font(.callout)
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}
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.padding(28)
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.frame(maxWidth: 440)
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.background(.regularMaterial, in: RoundedRectangle(cornerRadius: 18))
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}
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/// 64 hex chars → four groups per line, two lines — easy to eyeball against the log.
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private static func format(fingerprint: Data) -> String {
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let hex = fingerprint.map { String(format: "%02x", $0) }.joined()
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let groups = stride(from: 0, to: hex.count, by: 8).map { i -> String in
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let start = hex.index(hex.startIndex, offsetBy: i)
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let end = hex.index(start, offsetBy: min(8, hex.count - i))
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return String(hex[start..<end])
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}
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return groups.chunks(of: 4).map { $0.joined(separator: " ") }.joined(separator: "\n")
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}
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|
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// MARK: - Stream
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|
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private func stream(captureEnabled: Bool) -> some View {
|
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Group {
|
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if let conn = model.connection {
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StreamView(
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connection: conn,
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captureEnabled: captureEnabled,
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onCaptureChange: { [weak model] captured in
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model?.mouseCaptured = captured
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},
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onFrame: { [meter = model.meter, latency = model.latency, offset = conn.clockOffsetNs] au in
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meter.note(byteCount: au.data.count)
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latency.record(ptsNs: au.ptsNs, offsetNs: offset)
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},
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onSessionEnd: { [weak model] in
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Task { @MainActor in model?.sessionEnded() }
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}
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)
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.overlay(alignment: .topTrailing) {
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if captureEnabled { hud(conn) }
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}
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}
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}
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||
}
|
||
|
||
private func hud(_ conn: PunktfunkConnection) -> some View {
|
||
VStack(alignment: .trailing, spacing: 4) {
|
||
HStack(spacing: 6) {
|
||
Circle()
|
||
.fill(Color.accentColor)
|
||
.frame(width: 7, height: 7)
|
||
Text("\(conn.width)×\(conn.height)@\(conn.refreshHz) \(model.fps) fps \(model.mbps, specifier: "%.1f") Mb/s")
|
||
.font(.system(.caption, design: .monospaced))
|
||
}
|
||
if model.latencyValid {
|
||
// Capture→client-receipt (skew-corrected); excludes the layer's decode+present —
|
||
// see LatencyMeter. "(same-host)" when the host didn't answer the skew handshake.
|
||
Text("capture→client \(model.latencyP50Ms, specifier: "%.1f")/\(model.latencyP95Ms, specifier: "%.1f") ms p50/p95"
|
||
+ (model.latencySkewCorrected ? "" : " (same-host)"))
|
||
.font(.system(.caption2, design: .monospaced))
|
||
.foregroundStyle(.secondary)
|
||
}
|
||
// While captured the cursor is hidden+frozen, so the button is keyboard-only
|
||
// (⌘⎋ or Cmd+Tab release the cursor; released, it's clickable again).
|
||
#if os(macOS)
|
||
Text(model.mouseCaptured
|
||
? "⌘⎋ releases the mouse"
|
||
: "Click the stream to capture input")
|
||
.font(.caption2)
|
||
.foregroundStyle(.secondary)
|
||
#elseif os(iOS)
|
||
// Touch always plays directly; ⌘⎋ (hardware keyboard) toggles kb/mouse.
|
||
Text(model.mouseCaptured
|
||
? "⌘⎋ releases keyboard & mouse"
|
||
: "⌘⎋ captures keyboard & mouse")
|
||
.font(.caption2)
|
||
.foregroundStyle(.secondary)
|
||
#endif
|
||
Button("Disconnect (⌘D)") { model.disconnect() }
|
||
.font(.caption)
|
||
#if !os(tvOS)
|
||
.keyboardShortcut("d", modifiers: .command)
|
||
#endif
|
||
}
|
||
.padding(10)
|
||
.background(.regularMaterial, in: RoundedRectangle(cornerRadius: 10))
|
||
.padding(10)
|
||
}
|
||
|
||
// MARK: - Dev hook
|
||
|
||
/// PUNKTFUNK_AUTOCONNECT=host[:port] connects immediately (trust-on-first-use,
|
||
/// auto-confirmed — dev only) at the saved or PUNKTFUNK_MODE=WxHxHz mode, without
|
||
/// touching the saved host list. PUNKTFUNK_COMPOSITOR=kwin|gamescope|… overrides the
|
||
/// compositor preference and PUNKTFUNK_REMOTE_GAMEPAD=xbox360|dualsense the virtual
|
||
/// pad type (same names as the host env knobs). (IPv4/hostname only.)
|
||
private func autoConnectIfAsked() {
|
||
guard let target = ProcessInfo.processInfo.environment["PUNKTFUNK_AUTOCONNECT"],
|
||
!target.isEmpty, model.phase == .idle
|
||
else { return }
|
||
let parts = target.split(separator: ":")
|
||
var host = StoredHost(name: "", address: String(parts[0]))
|
||
if parts.count == 2, let p = UInt16(parts[1]) { host.port = p }
|
||
if let mode = ProcessInfo.processInfo.environment["PUNKTFUNK_MODE"] {
|
||
let dims = mode.split(separator: "x").compactMap { Int($0) }
|
||
if dims.count == 3 {
|
||
width = dims[0]
|
||
height = dims[1]
|
||
hz = dims[2]
|
||
}
|
||
}
|
||
var pref = PunktfunkConnection.Compositor(
|
||
rawValue: UInt32(clamping: compositor)) ?? .auto
|
||
if let name = ProcessInfo.processInfo.environment["PUNKTFUNK_COMPOSITOR"],
|
||
let c = PunktfunkConnection.Compositor(name: name) {
|
||
pref = c
|
||
}
|
||
var pad = GamepadManager.shared.resolveType(
|
||
setting: PunktfunkConnection.GamepadType(
|
||
rawValue: UInt32(clamping: gamepadType)) ?? .auto)
|
||
if let name = ProcessInfo.processInfo.environment["PUNKTFUNK_REMOTE_GAMEPAD"],
|
||
let g = PunktfunkConnection.GamepadType(name: name) {
|
||
pad = g
|
||
}
|
||
model.connect(
|
||
to: host,
|
||
width: UInt32(clamping: width), height: UInt32(clamping: height),
|
||
hz: UInt32(clamping: hz),
|
||
compositor: pref,
|
||
gamepad: pad,
|
||
autoTrust: true)
|
||
}
|
||
}
|
||
|
||
private extension Array {
|
||
func chunks(of size: Int) -> [[Element]] {
|
||
stride(from: 0, to: count, by: size).map { Array(self[$0..<Swift.min($0 + size, count)]) }
|
||
}
|
||
}
|