mirror of
https://github.com/lhns/steam-frame-nix.git
synced 2026-10-06 05:00:24 +02:00
Pierre Kisters
6a8924f219
Runtime patches no longer use webpack module ids or minified export names, which change with every Steam UI build: - modules/lib/finders.js: finder library (getWebpackRequire, findModule/findExport by source text and shape, resolveAll with a per-page cache, findFiberUp/findFiberDown/findInReactTree), installed once per page as window.__sfuiFind. - modules/lib/signatures.json: the signatures, per patch, shared by the patches and the checker. lib/default.nix mkPatch wraps a patch `(find, sigs, opts) => ...` with the library, its signatures and options; exposed as steamFrame.uiPatches.lib. - Keyboard patch (VERSION 10): layouts module, current/enabled layout getters, arrow keys, VR keyboard status and VirtualKeyboardManager are found by signature; if one doesn't match it reports which and leaves Steam untouched. unpatch.js uses references the patch remembered. The helper logs inject results when they change. - launcher-menu launch/pinned-desktop use the library's fiber helpers; launch no longer depends on the bar popup's window name. - scripts/check-signatures.mjs (+ webpack-modules.mjs): extracts module factories from the installed bundles without a browser and checks every signature (found / ambiguous / missing, with module ids and export names). README: "Finders and signatures", "After a Steam update".
65 lines
3.0 KiB
Nix
65 lines
3.0 KiB
Nix
# Runtime patch of Steam's on-screen (VR) keyboard. Steam's layouts are
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# hardcoded in its UI, and in VR it can only send text (no Ctrl/Alt/Esc;
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# SteamClient.Input.ControllerKeyboardSetKeyState throws "Unknown method").
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# - patch.js is injected into Steam's running UI through its CEF DevTools port
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# (127.0.0.1:8080; SteamOS starts Steam with -cef-enable-debugging); Steam's
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# files are untouched. Bottom row: Esc Ctrl Alt [space] AltGr ← ↑ ↓ →, with
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# AltGr + arrows = Pos1/PgUp/PgDn/End. Chords, Shift+arrows and characters
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# Steam's key emulation turns into "1" (non-ASCII, AltGr/dead keys on the
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# de keymap) are handed to the helper; Ctrl/Alt are held while toggled.
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# - helper.mjs keeps the injection alive (Steam restarts, popup recreated),
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# performs those requests with xdotool on :0 (X focus follows the window
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# selected in VR) and reverts the patch when stopped (unpatch.js). Its
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# allowlist can't type ASCII text or press Enter.
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# Depends on Steam UI internals, found by signature (lib/finders.js, entry
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# "steam-keyboard-patch" in lib/signatures.json) rather than webpack module
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# ids; after a Steam update, scripts/check-signatures.mjs tells whether they
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# still match. Tested with Steam client 1790377368 (UI build 11041156).
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{ config, pkgs, lib, ... }:
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let
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patch = (import ./lib { inherit pkgs; }).mkPatch {
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name = "steam-keyboard-patch";
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src = ./steam-keyboard-patch/patch.js;
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};
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in {
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imports = [ ./session.nix ];
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options.steamFrame.steamKeyboardPatch.enable = lib.mkEnableOption ''
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the runtime patch of Steam's on-screen (VR) keyboard: Esc/Ctrl/Alt and four
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separate arrow keys, real Ctrl/Alt chords (held while toggled, e.g. for
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Ctrl+scroll), and working AltGr/non-ASCII characters. Injected into Steam's
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UI through its CEF DevTools port by an xdotool helper service; disabling
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it reverts the patch on the next switch
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'';
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config = lib.mkMerge [
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(lib.mkIf config.steamFrame.steamKeyboardPatch.enable {
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systemd.user.services.steam-keyboard-patch = {
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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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"${pkgs.nodejs}/bin/node"
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"${./steam-keyboard-patch/helper.mjs}"
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"${patch}"
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"${./steam-keyboard-patch/unpatch.js}"
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"${pkgs.xdotool}/bin/xdotool"
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];
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Restart = "always";
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RestartSec = 5;
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TimeoutStopSec = 5; # the helper unpatches Steam's UI on SIGTERM
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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 = [ "steam-keyboard-patch.service" ];
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})
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# Disabled: stop a still-running helper, which reverts the patch, so the
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# stock keyboard is back right away (no Steam restart or reboot).
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(lib.mkIf (!config.steamFrame.steamKeyboardPatch.enable) {
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steamFrame.userServices.stop = [ "steam-keyboard-patch.service" ];
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})
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];
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}
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