How to configure a window (also for reload case)? (fixes #27192)

src/vs/code/node/keyboard.ts

@@ -0,0 +1,70 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+
+import * as nativeKeymap from 'native-keymap';
+import { IDisposable } from 'vs/base/common/lifecycle';
+import { isMacintosh } from "vs/base/common/platform";
+import { Emitter } from "vs/base/common/event";
+
+export class KeyboardLayoutMonitor {
+
+	public static readonly INSTANCE = new KeyboardLayoutMonitor();
+
+	private _emitter: Emitter<boolean>;
+	private _registered: boolean;
+	private _isISOKeyboard: boolean;
+
+	private constructor() {
+		this._emitter = new Emitter<boolean>();
+		this._registered = false;
+		this._isISOKeyboard = this._readIsISOKeyboard();
+	}
+
+	public onDidChangeKeyboardLayout(callback: (isISOKeyboard: boolean) => void): IDisposable {
+		if (!this._registered) {
+			this._registered = true;
+
+			nativeKeymap.onDidChangeKeyboardLayout(() => {
+				this._emitter.fire(this._isISOKeyboard);
+			});
+
+			if (isMacintosh) {
+				// See https://github.com/Microsoft/vscode/issues/24153
+				// On OSX, on ISO keyboards, Chromium swaps the scan codes
+				// of IntlBackslash and Backquote.
+				//
+				// The C++ methods can give the current keyboard type (ISO or not)
+				// only after a NSEvent was handled.
+				//
+				// We therefore poll.
+				setInterval(() => {
+					let newValue = this._readIsISOKeyboard();
+					if (this._isISOKeyboard === newValue) {
+						// no change
+						return;
+					}
+
+					this._isISOKeyboard = newValue;
+					this._emitter.fire(this._isISOKeyboard);
+
+				}, 3000);
+			}
+		}
+		return this._emitter.event(callback);
+	}
+
+	private _readIsISOKeyboard(): boolean {
+		if (isMacintosh) {
+			return nativeKeymap.isISOKeyboard();
+		}
+		return false;
+	}
+
+	public isISOKeyboard(): boolean {
+		return this._isISOKeyboard;
+	}
+}