Merge pull request #74240 from sbatten/73781

fixes #73781

src/vs/workbench/browser/layout.ts

@@ -5,11 +5,11 @@
 
 import { IDisposable, dispose, Disposable } from 'vs/base/common/lifecycle';
 import { Event, Emitter } from 'vs/base/common/event';
-import { EventType, addDisposableListener, addClass, removeClass, isAncestor, getClientArea, position, size } from 'vs/base/browser/dom';
+import { EventType, addDisposableListener, addClass, removeClass, isAncestor, getClientArea, position, size, EventHelper } from 'vs/base/browser/dom';
 import { onDidChangeFullscreen, isFullscreen, getZoomFactor } from 'vs/base/browser/browser';
 import { IBackupFileService } from 'vs/workbench/services/backup/common/backup';
 import { Registry } from 'vs/platform/registry/common/platform';
-import { isWindows, isLinux, isMacintosh } from 'vs/base/common/platform';
+import { isWindows, isLinux, isMacintosh, isWeb } from 'vs/base/common/platform';
 import { pathsToEditors } from 'vs/workbench/common/editor';
 import { SidebarPart } from 'vs/workbench/browser/parts/sidebar/sidebarPart';
 import { PanelPart } from 'vs/workbench/browser/parts/panel/panelPart';
@@ -223,6 +223,11 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 		// Prevent workbench from scrolling #55456
 		this._register(addDisposableListener(this.container, EventType.SCROLL, () => this.container.scrollTop = 0));
 
+		// Prevent native context menus in web #73781
+		if (isWeb) {
+			this._register(addDisposableListener(this.container, EventType.CONTEXT_MENU, (e) => EventHelper.stop(e, true)));
+		}
+
 		// Menubar visibility changes
 		if ((isWindows || isLinux) && getTitleBarStyle(this.configurationService, this.environmentService) === 'custom') {
 			this._register(this.titleService.onMenubarVisibilityChange(visible => this.onMenubarToggled(visible)));