mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 00:00:16 +02:00
Pierre Kisters
2dc9ccb83e
Portal fix, Steam-session keyboard layout, VR keyboard patch, hidden apps, clipboard-sync and a Firefox Flatpak launcher, all under steamFrame.*, plus the outer-session user-services mechanism.
49 lines
2.2 KiB
Nix
49 lines
2.2 KiB
Nix
# Esc/Ctrl/Alt and four arrow keys on Steam's VR keyboard.
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# The keyboard is part of Steam's UI (hardcoded layouts in steamui JS), and in
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# VR it can only send text; SteamClient.Input.ControllerKeyboardSetKeyState
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# throws "Unknown method". So:
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# - vrkbd-patch.js is injected at runtime into Steam's UI through its CEF
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# DevTools port (127.0.0.1:8080; SteamOS starts Steam with
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# -cef-enable-debugging). Steam's files are untouched, so updates don't undo
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# it. It rebuilds the bottom row and, while Ctrl/Alt is active (or for Esc),
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# hands the key combo to the helper instead of typing text. It also holds
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# the real Ctrl/Alt down while the toggle is on (Ctrl+scroll), and routes
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# characters Steam's key emulation turns into "1" (non-ASCII, AltGr/dead
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# keys on the de keymap: |@{[]}\~^`äöü€…) to the helper.
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# - vrkbd-helper.mjs keeps that injection alive (Steam restarts, keyboard popup
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# recreated) and presses the combos with `xdotool key` on :0, where gamescope
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# keeps X focus on the window selected in VR. It only accepts ctrl/alt
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# chords and the extra keys, so the Steam UI can't use it to type text or
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# press Enter.
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# Depends on Steam UI internals; tested with Steam client 1790377368.
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{ config, pkgs, lib, ... }: {
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imports = [ ./session.nix ];
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options.steamFrame.vrKeyboard.enable = lib.mkEnableOption ''
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Esc/Ctrl/Alt/AltGr and arrow keys on Steam's VR keyboard (runtime patch of
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Steam's UI through its CEF DevTools port, plus an xdotool helper service)
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'';
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config = lib.mkIf config.steamFrame.vrKeyboard.enable {
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systemd.user.services.vr-keyboard = {
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Unit.Description = "Modifier keys for Steam's VR keyboard (CEF patch + xdotool)";
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Service = {
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ExecStart = lib.escapeShellArgs [
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"${pkgs.nodejs}/bin/node"
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"${./vr-keyboard/vrkbd-helper.mjs}"
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"${./vr-keyboard/vrkbd-patch.js}"
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"${pkgs.xdotool}/bin/xdotool"
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];
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Environment = "VRKBD_DISPLAY=:0";
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Restart = "always";
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RestartSec = 5;
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};
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Install.WantedBy = [ "default.target" ];
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};
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# Restart on every switch so a changed patch is re-injected (it replaces
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# the older version).
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steamFrame.userServices.restart = [ "vr-keyboard.service" ];
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};
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}
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