@theia/core/src/electron-main/electron-native-keymap.ts

Theia is a cloud & desktop IDE framework implemented in TypeScript.

// *****************************************************************************
// Copyright (C) 2020 Ericsson and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
// *****************************************************************************

import { webContents } from '@theia/electron/shared/electron';
import * as nativeKeymap from '@theia/electron/shared/native-keymap';
import { injectable } from 'inversify';
import { ElectronMainApplication, ElectronMainApplicationContribution } from './electron-main-application';

@injectable()
export class ElectronNativeKeymap implements ElectronMainApplicationContribution {

    /**
     * Notify all renderer processes on keyboard layout change.
     */
    onStart(application: ElectronMainApplication): void {
        nativeKeymap.onDidChangeKeyboardLayout(() => {
            const newLayout = {
                info: nativeKeymap.getCurrentKeyboardLayout(),
                mapping: nativeKeymap.getKeyMap()
            };
            for (const webContent of webContents.getAllWebContents()) {
                webContent.send('keyboardLayoutChanged', newLayout);
            }
        });
    }

}