fallback to old menubar when using macOS or native title

src/vs/base/browser/ui/actionbar/actionbar.ts

@@ -278,7 +278,9 @@ export class ActionItem extends BaseActionItem {
 	public _updateLabel(): void {
 		if (this.options.label) {
 			let label = this.getAction().label;
-			label = label.replace(BaseActionItem.MNEMONIC_REGEX, '<u>$1</u>');
+			if (label) {
+				label = label.replace(BaseActionItem.MNEMONIC_REGEX, '<u>$1</u>');
+			}
 			this.$e.innerHtml(label);
 		}
 	}

src/vs/code/electron-main/app.ts

@@ -63,6 +63,8 @@ import { serve as serveDriver } from 'vs/platform/driver/electron-main/driver';
 import { IMenubarService } from 'vs/platform/menubar/common/menubar';
 import { MenubarService } from 'vs/platform/menubar/electron-main/menubarService';
 import { MenubarChannel } from 'vs/platform/menubar/common/menubarIpc';
+// TODO@sbatten: Remove after conversion to new dynamic menubar
+import { CodeMenu } from 'vs/code/electron-main/menus';
 
 export class CodeApplication {
 
@@ -493,6 +495,14 @@ export class CodeApplication {
 			}
 		}
 
+		// TODO@sbatten: Remove when menu is converted
+		// Install Menu
+		const instantiationService = accessor.get(IInstantiationService);
+		const configurationService = accessor.get(IConfigurationService);
+		if (platform.isMacintosh || configurationService.getValue<string>('window.titleBarStyle') !== 'custom') {
+			instantiationService.createInstance(CodeMenu);
+		}
+
 		// Jump List
 		this.historyMainService.updateWindowsJumpList();
 		this.historyMainService.onRecentlyOpenedChange(() => this.historyMainService.updateWindowsJumpList());

src/vs/platform/menubar/electron-main/menubarService.ts

@@ -10,6 +10,7 @@ import { Menubar } from 'vs/code/electron-main/menubar';
 import { ILogService } from 'vs/platform/log/common/log';
 import { TPromise } from 'vs/base/common/winjs.base';
 import { IInstantiationService } from 'vs/platform/instantiation/common/instantiation';
+import { isMacintosh, isWindows } from 'vs/base/common/platform';
 
 export class MenubarService implements IMenubarService {
 	_serviceBrand: any;
@@ -21,7 +22,10 @@ export class MenubarService implements IMenubarService {
 		@ILogService private logService: ILogService
 	) {
 		// Install Menu
-		this._menubar = this.instantiationService.createInstance(Menubar);
+		// TODO@sbatten: Remove if block
+		if (isMacintosh && isWindows) {
+			this._menubar = this.instantiationService.createInstance(Menubar);
+		}
 	}
 
 	updateMenubar(windowId: number, menus: IMenubarData): TPromise<void> {

src/vs/workbench/browser/parts/menubar/menubarPart.ts

@@ -144,13 +144,14 @@ export class MenubarPart extends Part {
 			}
 		});
 
-		for (let topLevelMenuName of Object.keys(this.topLevelMenus)) {
-			this.topLevelMenus[topLevelMenuName].onDidChange(() => this.setupNativeMenubar());
-		}
-
 		this._onVisibilityChange = new Emitter<Dimension>();
 
-		this.setupNativeMenubar();
+		if (isMacintosh || this.currentTitlebarStyleSetting !== 'custom') {
+			for (let topLevelMenuName of Object.keys(this.topLevelMenus)) {
+				this.topLevelMenus[topLevelMenuName].onDidChange(() => this.setupMenubar());
+			}
+			this.setupMenubar();
+		}
 
 		this.isFocused = false;
 
@@ -247,7 +248,7 @@ export class MenubarPart extends Part {
 			}
 		}
 
-		if (this.currentEnableMenuBarMnemonics) {
+		if (this.currentEnableMenuBarMnemonics && this.customMenus) {
 			this.customMenus.forEach(customMenu => {
 				let child = customMenu.titleElement.child();
 				if (child) {
@@ -276,7 +277,7 @@ export class MenubarPart extends Part {
 	}
 
 	private setupMenubar(): void {
-		if (this.currentTitlebarStyleSetting === 'custom') {
+		if (!isMacintosh && this.currentTitlebarStyleSetting === 'custom') {
 			this.setupCustomMenubar();
 		} else {
 			this.setupNativeMenubar();
@@ -284,7 +285,10 @@ export class MenubarPart extends Part {
 	}
 
 	private setupNativeMenubar(): void {
-		this.menubarService.updateMenubar(this.windowService.getCurrentWindowId(), this.getMenubarMenus());
+		// TODO@sbatten: Remove once native menubar is ready
+		if (isMacintosh && isWindows) {
+			this.menubarService.updateMenubar(this.windowService.getCurrentWindowId(), this.getMenubarMenus());
+		}
 	}
 
 	private registerMnemonic(menuIndex: number, keyCode: KeyCode): void {
@@ -699,7 +703,7 @@ export class MenubarPart extends Part {
 
 		// Build the menubar
 		if (this.container) {
-			this.setupCustomMenubar();
+			this.setupMenubar();
 		}
 
 		return this.container.getHTMLElement();