SteamOS: fixes & official controller layout (#194)

src/main/utils/steamOS.ts

@@ -0,0 +1,84 @@
+/*
+ * SPDX-License-Identifier: GPL-3.0
+ * Vesktop, a desktop app aiming to give you a snappier Discord Experience
+ * Copyright (c) 2023 Vendicated and Vencord contributors
+ */
+
+import { exec as callbackExec } from "child_process";
+import { BrowserWindow, dialog } from "electron";
+import { promisify } from "util";
+
+import { sleep } from "../../shared/utils/sleep";
+import { MessageBoxChoice } from "../constants";
+import { Settings } from "../settings";
+
+const exec = promisify(callbackExec);
+
+// Bump this to re-show the prompt
+const layoutVersion = 1;
+// Get this from "show details" on the profile after exporting as a shared personal layout or using share with community
+const layoutId = "3063409873"; // Vesktop Layout v1
+const numberRegex = /^[0-9]*$/;
+
+export const isDeckGameMode = process.env.SteamOS === "1" && process.env.SteamGamepadUI === "1";
+
+export function applyDeckKeyboardFix() {
+    if (!isDeckGameMode) return;
+    // Prevent constant virtual keyboard spam that eventually crashes Steam.
+    process.env.GTK_IM_MODULE = "None";
+}
+
+// For some reason SteamAppId is always 0 for non-steam apps so we do this insanity instead.
+function getAppId(): string | null {
+    // /home/deck/.local/share/Steam/steamapps/shadercache/APPID/fozmediav1
+    const path = process.env.STEAM_COMPAT_MEDIA_PATH;
+    if (!path) return null;
+    const pathElems = path?.split("/");
+    const appId = pathElems[pathElems.length - 2];
+    if (appId.match(numberRegex)) {
+        console.log(`Got Steam App ID ${appId}`);
+        return appId;
+    }
+    return null;
+}
+
+async function execSteamURL(url: string): Promise<void> {
+    await exec(`steam -ifrunning ${url}`);
+}
+
+async function showLayout(appId: string) {
+    await execSteamURL(`steam://controllerconfig/${appId}/${layoutId}`);
+    // because the UI doesn't consistently reload after the data for the config has loaded...
+    // HOW HAS NOBODY AT VALVE RUN INTO THIS YET
+    await sleep(300);
+    await execSteamURL(`steam://controllerconfig/${appId}/${layoutId}`);
+}
+
+export async function askToApplySteamLayout(win: BrowserWindow) {
+    const appId = getAppId();
+    if (!appId) return;
+    if (Settings.store.steamOSLayoutVersion === layoutVersion) return;
+    const update = Boolean(Settings.store.steamOSLayoutVersion);
+
+    // Touch screen breaks in some menus when native touch mode is enabled on latest SteamOS beta, remove most of the update specific text once that's fixed.
+    const { response } = await dialog.showMessageBox(win, {
+        message: `${update ? "Update" : "Apply"} Vesktop Steam Input Layout?`,
+        detail: `Would you like to ${update ? "Update" : "Apply"} Vesktop's recommended Steam Deck controller settings?
+${update ? "Click yes using the touchpad" : "Tap yes"}, then press the X button or tap Apply Layout to confirm.${
+            update ? " Doing so will undo any customizations you have made." : ""
+        }
+${update ? "Click" : "Tap"} no to keep your current layout.`,
+        buttons: ["Yes", "No"],
+        cancelId: MessageBoxChoice.Cancel,
+        defaultId: MessageBoxChoice.Default,
+        type: "question"
+    });
+
+    if (Settings.store.steamOSLayoutVersion !== layoutVersion) {
+        Settings.store.steamOSLayoutVersion = layoutVersion;
+    }
+
+    if (response === MessageBoxChoice.Cancel) return;
+
+    await showLayout(appId);
+}