Open source virtual keyboard support on Steam Deck.

GitOrigin-RevId: 1f31ec2249f8ba0bad5e25e2c6ab28e4ea1aeb98

ui/controls/setupSteamDeck.tsx

@@ -0,0 +1,43 @@
+import { App } from '../App.tsx';
+import { FloatingGamepadTextInputMode } from './GamepadTextInput.tsx';
+
+const inputTypes = new Set([
+  'text',
+  'password',
+  'search',
+  'email',
+  'number',
+  'tel',
+  'url',
+]);
+let currentElement: HTMLInputElement | null = null;
+let setupHasRun = false;
+
+export default function setupSteamDeck() {
+  if (setupHasRun || !App.isSteamDeck()) {
+    return;
+  }
+
+  setupHasRun = true;
+
+  document.addEventListener('focusin', (event) => {
+    const input = event.target as HTMLInputElement | null;
+    if (input?.tagName === 'INPUT' && input !== currentElement) {
+      if (!inputTypes.has(input.type)) {
+        return;
+      }
+
+      currentElement = input;
+      setTimeout(() => (currentElement = null), 1000);
+
+      const dimensions = input.getBoundingClientRect();
+      App.showFloatingGamepadTextInput(
+        FloatingGamepadTextInputMode.SingleLine,
+        Math.max(0, dimensions.x - window.scrollX || 0),
+        Math.max(0, dimensions.y - window.scrollY || 0),
+        dimensions.width || 200,
+        dimensions.height || 40,
+      );
+    }
+  });
+}