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4 Commits

Author SHA1 Message Date
enricobuehler 3e6c9f6060 feat(gamepad): add virtual Xbox One/Series + DualShock 4 pad types 
Extends virtual-controller support beyond Xbox 360 + DualSense. Goal: a
physical Xbox One or PS4 pad on the client gets a near-native matching virtual
pad on the host, auto-resolved from the controller type.

Protocol/core:
- GamepadPref gains XboxOne (wire 3) + DualShock4 (wire 4); to_u8/from_u8/
  from_name/as_str + C ABI PUNKTFUNK_GAMEPAD_XBOXONE/_DUALSHOCK4 constants
  (compile-time guard ties them to the enum). Single-byte wire form is
  unchanged, so it's forward-compatible (older peers degrade to Auto).

Host (Linux):
- New UHID DualShock 4 backend (inject/dualshock4.rs) bound by hid-playstation:
  lightbar, touchpad, motion, rumble — DualSense minus adaptive triggers /
  player LEDs / mute. Reuses the DualSense pure state + button mapping; only the
  report byte layout, the real-DS4 HID descriptor, the GET_REPORT handshake
  (0x12 MAC mandatory; 0x02 calibration; 0xa3 firmware) and the touchpad
  resolution (1920x942) differ. Touchpad/motion ride the existing 0xCC plane,
  lightbar the 0xCD Led plane (deduped); rumble the universal 0xCA plane.
- Xbox One/Series is the uinput Xbox-360 backend parameterized with the One S
  USB identity (045e:02ea) for matching glyphs — XInput-identical otherwise.
- PadBackend dispatch + resolver handle both; off Linux the UHID pads and
  One/Series fold into Xbox 360. Windows-host DS4 (ViGEm) deferred.

Clients (auto-resolve physical pad -> virtual type, plus manual settings):
- Linux/Windows (SDL3): SDL_GAMEPAD_TYPE_PS4 -> DualShock 4, _XBOXONE ->
  Xbox One; PadInfo carries the resolved pref; DS4 touchpad/motion capture +
  lightbar already type-agnostic. Linux settings combo + label updated.
- Apple (GameController): GCDualShockGamepad/GCXboxGamepad detection, DS4
  touchpad capture, settings picker entries.
- Android (Kotlin): InputDevice VID/PID auto-detect (matching the other
  clients) + settings entries.
- probe: --gamepad help/aliases.

Also hardens the Android JNI boundary: wrap the teardown + poll-thread shims in
catch_unwind so a panic degrades to a logged no-op instead of aborting the app.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-21 13:34:44 +00:00
enricobuehler 1d605fb781 feat(gamepad): controller discovery + client-negotiated pad type + rich DualSense end to end 
The Apple client grows full gamepad support and punktfunk/1 learns to negotiate
the virtual pad type:

- Protocol: Hello carries a GamepadPref byte (offset 21, the same trailing-byte
  back-compat pattern as the compositor; echoed resolved in Welcome at 54).
  Host precedence: explicit client choice > PUNKTFUNK_GAMEPAD env > Xbox 360,
  DualSense (UHID) only where available. ABI: punktfunk_connect_ex2 +
  punktfunk_connection_gamepad (connect_ex delegates; ABI_VERSION stays 2 — the
  trailing byte IS the compat mechanism). punktfunk-client-rs gets --gamepad.

- Swift client: GamepadManager (app-lifetime discovery + selection — Settings
  lists every controller with capabilities/battery/"In use"; exactly ONE pad
  forwards as pad 0, auto = most recently connected, or pinned), GamepadCapture
  (snapshot-diff button/axis events, DualSense touchpad + ~250 Hz motion on the
  rich-input plane, held state released on switch/deactivate/stop),
  GamepadFeedback (rumble → CoreHaptics per-handle engines; lightbar →
  GCDeviceLight; player LEDs → playerIndex; adaptive-trigger blocks → the
  table-driven DualSenseTriggerEffect parser → GCDualSenseAdaptiveTrigger,
  exact for the 10-zone positional modes). The pad type auto-resolves from the
  physical controller at connect time, user-overridable in Settings.

- Host DualSense fixes surfaced by adversarial review against hid-playstation /
  SDL / Nielk1 ground truth: input-report sensor/touch offsets were off by one
  (the kernel read garbage motion + phantom touches), the L2/R2 trigger blocks
  were swapped (the report is right-trigger-first), feedback now gates on the
  report's valid-flags (a plain rumble write no longer blanks lightbar/
  triggers), and the touchpad rescale clamps to the advertised ABS_MT extents.

- Tests: Hello/Welcome trailing-byte back-compat, pick_gamepad precedence,
  byte-exact input-report layout, valid-flag gating, per-mode trigger-parser
  table (incl. packed 3-bit zones), wire conversions, and a scripted loopback
  feedback burst (PUNKTFUNK_TEST_FEEDBACK=1) asserted through the xcframework
  on the rumble + HID-output planes.

Validated: cargo test/clippy/fmt green on macOS + Linux (61 host tests), swift
build/test green, test-loopback.sh green, tvOS/iOS targets compile. DualSense
motion sign/scale is derived from the calibration blob, not yet live-verified
(constants isolated in GamepadWire).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
 2026-06-11 16:28:33 +02:00
enricobuehler 6fdf7d1511 feat: client-selectable compositor (protocol → host → client → C ABI → mgmt → web) 
A client can now request which compositor backend the host drives its virtual
output on (gamescope/KWin/Mutter/wlroots). The host honors the request if that
backend is available, else falls back to auto-detect and reports the resolved
choice back — wire-compatible both directions (no ABI bump).

Protocol (punktfunk-core):
- New CompositorPref (config.rs): Auto|Kwin|Wlroots|Mutter|Gamescope with
  u8/name mappings. Appended as one optional byte to Hello (client preference)
  and Welcome (host's resolved choice). Both decoders already tolerate trailing
  bytes, so old↔new interop is preserved — ABI_VERSION stays 2. Round-trip +
  back-compat (truncated-message) tests.
- C ABI: punktfunk_connect_ex(compositor) + PUNKTFUNK_COMPOSITOR_* constants;
  punktfunk_connect delegates with AUTO, so the existing symbol is unchanged.
  NativeClient::connect / worker_main thread the preference through.

Host:
- vdisplay::available() enumerates usable backends via cheap, side-effect-free
  probes (KWin zkde global, gamescope binary+version, GNOME/Sway env), plus
  Compositor id/label/as_pref/from_pref/all helpers.
- m3 handshake resolves the preference to a concrete backend during the
  handshake (pick_compositor pure + resolved logging), reports it in Welcome,
  and threads it into virtual_stream (replacing the unconditional detect()).
- mgmt GET /v1/compositors lists every backend with availability + the
  auto-detected default (OpenAPI regenerated).

Client:
- punktfunk-client-rs --compositor NAME; logs the host's resolved choice from
  the Welcome ("session offer … compositor=…").

Web console:
- Host page gains a Compositors card (availability + default badges) via the
  codegen'd useListCompositors hook; en/de strings added.

Also fixes a pre-existing, env-dependent test-isolation bug:
mgmt::tests::paired_clients_list_and_unpair seeded the real
~/.config/punktfunk/paired.json (AppState::new loads it), so a real
GameStream-paired client leaked into body[0] on a dev box — now cleared first.

Live-validated against headless KWin: --compositor kwin honored, --compositor
mutter falls back to kwin (available=[kwin, gamescope]), resolved choice
round-trips to the client. Tests: +6 (wire/back-compat, resolution precedence,
endpoint); workspace green, clippy/fmt clean, C ABI harness PASS at abi_version=2,
web typecheck + build clean.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-10 22:45:41 +02:00
enricobuehler bfd64ce871 rename: lumen → punktfunk, everywhere
ci / rust (push) Has been cancelled
Details 
Full project rename, decided 2026-06-10:
- Crates/binaries: punktfunk-core / punktfunk-host / punktfunk-client-rs.
- C ABI: punktfunk_* symbols, Punktfunk* types, include/punktfunk_core.h,
  PUNKTFUNK_FEATURE_QUIC guard (header regenerated; cbindgen renames updated, incl.
  PUNKTFUNK_BTN_*/PUNKTFUNK_AXIS_* wire constants).
- Protocol: punktfunk/1 — control-plane magic LMN1 → PKF1, nonce salt lmn1 → pkf1.
  WIRE BREAK: clients must be rebuilt from this revision.
- Env knobs: PUNKTFUNK_VIDEO_SOURCE / PUNKTFUNK_COMPOSITOR / PUNKTFUNK_ZEROCOPY / ….
- Host config dir: ~/.config/punktfunk (the box's dir was migrated in place — the
  persistent identity is unchanged, pinned fingerprints stay valid).
- Swift package: PunktfunkKit + PunktfunkCore.xcframework + PunktfunkConnection
  (Sources/PunktfunkClient app + tests renamed with it); build-xcframework.sh updated.
- scripts/: 60-punktfunk.rules, punktfunk-host.service; OpenAPI doc regenerated.

Also: scripts/headless/run-headless-kde.sh — full headless Plasma bringup. Root cause of
"desktop but no apps/settings" over the stream: plasmashell launched without
XDG_MENU_PREFIX=plasma-, so the launcher resolved a nonexistent applications.menu and
rendered an empty menu. The script sets the complete KDE session env (menu prefix,
KDE_FULL_SESSION, session version) and rebuilds ksycoca before starting plasmashell.

Gate: 97/97 tests, clippy -D warnings (both feature sets), fmt, C-ABI harness PASS,
zero lumen references left outside .git.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
 2026-06-10 13:11:59 +00:00