Allow to hide editor title section entirely (tabs, breadcrumbs) (#33607)

src/vs/platform/actions/common/actions.ts

@@ -69,6 +69,7 @@ export class MenuId {
 	static readonly EmptyEditorGroup = new MenuId('EmptyEditorGroup');
 	static readonly EmptyEditorGroupContext = new MenuId('EmptyEditorGroupContext');
 	static readonly EditorTabsBarContext = new MenuId('EditorTabsBarContext');
+	static readonly EditorTabsBarShowTabsSubmenu = new MenuId('EditorTabsBarShowTabsSubmenu');
 	static readonly ExplorerContext = new MenuId('ExplorerContext');
 	static readonly ExplorerContextShare = new MenuId('ExplorerContextShare');
 	static readonly ExtensionContext = new MenuId('ExtensionContext');

src/vs/workbench/browser/actions/layoutActions.ts

@@ -470,49 +470,87 @@ export class ToggleStatusbarVisibilityAction extends Action2 {
 
 registerAction2(ToggleStatusbarVisibilityAction);
 
-// --- Bse Class Toggle Boolean Setting Action
+// --- Hide Editor Tabs
 
-abstract class BaseToggleBooleanSettingAction extends Action2 {
+export class HideEditorTabsAction extends Action2 {
 
-	protected abstract get settingId(): string;
+	static readonly ID = 'workbench.action.hideEditorTabs';
+
+	constructor() {
+		super({
+			id: HideEditorTabsAction.ID,
+			title: {
+				value: localize('hideEditorTabs', "Hide Editor Tabs"),
+				original: 'Hide Editor Tabs'
+			},
+			category: Categories.View,
+			precondition: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'none').negate(),
+			f1: true
+		});
+	}
 
 	override run(accessor: ServicesAccessor): Promise<void> {
 		const configurationService = accessor.get(IConfigurationService);
+		return configurationService.updateValue('workbench.editor.showTabs', 'none');
+	}
+}
+registerAction2(HideEditorTabsAction);
 
-		const oldettingValue = configurationService.getValue<string>(this.settingId);
-		const newSettingValue = !oldettingValue;
+// --- Show Multiple Editor Tabs
+
+export class ShowMultipleEditorTabsAction extends Action2 {
+
+	static readonly ID = 'workbench.action.showMultipleEditorTabs';
+
+	constructor() {
+		super({
+			id: ShowMultipleEditorTabsAction.ID,
+			title: {
+				value: localize('showMultipleEditorTabs', "Show Multiple Editor Tabs"),
+				original: 'Show Multiple Editor Tabs'
+			},
+			category: Categories.View,
+			precondition: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'multiple').negate(),
+			f1: true
+		});
+	}
 
-		return configurationService.updateValue(this.settingId, newSettingValue);
+	override run(accessor: ServicesAccessor): Promise<void> {
+		const configurationService = accessor.get(IConfigurationService);
+		return configurationService.updateValue('workbench.editor.showTabs', 'multiple');
 	}
 }
+registerAction2(ShowMultipleEditorTabsAction);
 
-// --- Toggle Tabs Visibility
+// --- Show Single Editor Tab
 
-export class ToggleTabsVisibilityAction extends BaseToggleBooleanSettingAction {
+export class ShowSingleEditorTabAction extends Action2 {
 
-	static readonly ID = 'workbench.action.toggleTabsVisibility';
+	static readonly ID = 'workbench.action.showEditorTab';
 
 	constructor() {
 		super({
-			id: ToggleTabsVisibilityAction.ID,
+			id: ShowSingleEditorTabAction.ID,
 			title: {
-				value: localize('toggleTabs', "Toggle Editor Tab Visibility"),
-				original: 'Toggle Editor Tab Visibility'
+				value: localize('showSingleEditorTab', "Show Single Editor Tab"),
+				original: 'Show Single Editor Tab'
 			},
 			category: Categories.View,
+			precondition: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'single').negate(),
 			f1: true
 		});
 	}
 
-	protected override get settingId(): string {
-		return 'workbench.editor.showTabs';
+	override run(accessor: ServicesAccessor): Promise<void> {
+		const configurationService = accessor.get(IConfigurationService);
+		return configurationService.updateValue('workbench.editor.showTabs', 'single');
 	}
 }
-registerAction2(ToggleTabsVisibilityAction);
+registerAction2(ShowSingleEditorTabAction);
 
 // --- Toggle Pinned Tabs On Separate Row
 
-export class ToggleSeparatePinnedTabsAction extends BaseToggleBooleanSettingAction {
+export class ToggleSeparatePinnedTabsAction extends Action2 {
 
 	static readonly ID = 'workbench.action.toggleSeparatePinnedEditorTabs';
 
@@ -524,13 +562,18 @@ export class ToggleSeparatePinnedTabsAction extends BaseToggleBooleanSettingActi
 				original: 'Separate Pinned Editor Tabs'
 			},
 			category: Categories.View,
-			precondition: ContextKeyExpr.has('config.workbench.editor.showTabs'),
+			precondition: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'multiple'),
 			f1: true
 		});
 	}
 
-	protected override get settingId(): string {
-		return 'workbench.editor.pinnedTabsOnSeparateRow';
+	override run(accessor: ServicesAccessor): Promise<void> {
+		const configurationService = accessor.get(IConfigurationService);
+
+		const oldettingValue = configurationService.getValue<string>('workbench.editor.pinnedTabsOnSeparateRow');
+		const newSettingValue = !oldettingValue;
+
+		return configurationService.updateValue('workbench.editor.pinnedTabsOnSeparateRow', newSettingValue);
 	}
 }
 registerAction2(ToggleSeparatePinnedTabsAction);

src/vs/workbench/browser/contextkeys.ts

@@ -271,7 +271,7 @@ export class WorkbenchContextKeysHandler extends Disposable {
 	}
 
 	private updateEditorAreaContextKeys(): void {
-		this.editorTabsVisibleContext.set(!!this.editorGroupService.partOptions.showTabs);
+		this.editorTabsVisibleContext.set(this.editorGroupService.partOptions.showTabs === 'multiple');
 	}
 
 	private updateEditorContextKeys(): void {

src/vs/workbench/browser/layout.ts

@@ -1232,8 +1232,8 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 				this.state.runtime.zenMode.transitionDisposables.add(this.editorService.onDidVisibleEditorsChange(() => setLineNumbers('off')));
 			}
 
-			if (config.hideTabs && this.editorGroupService.partOptions.showTabs) {
-				this.state.runtime.zenMode.transitionDisposables.add(this.editorGroupService.enforcePartOptions({ showTabs: false }));
+			if (config.showTabs !== this.editorGroupService.partOptions.showTabs) {
+				this.state.runtime.zenMode.transitionDisposables.add(this.editorGroupService.enforcePartOptions({ showTabs: config.showTabs }));
 			}
 
 			if (config.silentNotifications && zenModeExitInfo.handleNotificationsDoNotDisturbMode) {
@@ -2305,7 +2305,7 @@ type ZenModeConfiguration = {
 	hideActivityBar: boolean;
 	hideLineNumbers: boolean;
 	hideStatusBar: boolean;
-	hideTabs: boolean;
+	showTabs: 'multiple' | 'single' | 'none';
 	restore: boolean;
 	silentNotifications: boolean;
 };

src/vs/workbench/browser/parts/editor/editor.contribution.ts

@@ -66,7 +66,7 @@ import { Codicon } from 'vs/base/common/codicons';
 import { registerIcon } from 'vs/platform/theme/common/iconRegistry';
 import { UntitledTextEditorInputSerializer, UntitledTextEditorWorkingCopyEditorHandler } from 'vs/workbench/services/untitled/common/untitledTextEditorHandler';
 import { DynamicEditorConfigurations } from 'vs/workbench/browser/parts/editor/editorConfiguration';
-import { ToggleSeparatePinnedTabsAction, ToggleTabsVisibilityAction } from 'vs/workbench/browser/actions/layoutActions';
+import { HideEditorTabsAction, ShowMultipleEditorTabsAction, ShowSingleEditorTabAction, ToggleSeparatePinnedTabsAction } from 'vs/workbench/browser/actions/layoutActions';
 import product from 'vs/platform/product/common/product';
 
 //#region Editor Registrations
@@ -355,7 +355,10 @@ MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { command: { id: SPLIT_
 MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { command: { id: SPLIT_EDITOR_DOWN, title: localize('splitDown', "Split Down") }, group: '2_split', order: 20 });
 MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { command: { id: SPLIT_EDITOR_LEFT, title: localize('splitLeft', "Split Left") }, group: '2_split', order: 30 });
 MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { command: { id: SPLIT_EDITOR_RIGHT, title: localize('splitRight', "Split Right") }, group: '2_split', order: 40 });
-MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { command: { id: ToggleTabsVisibilityAction.ID, title: localize('toggleTabs', "Editor Tabs"), toggled: ContextKeyExpr.has('config.workbench.editor.showTabs') }, group: '3_config', order: 10 });
+MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { submenu: MenuId.EditorTabsBarShowTabsSubmenu, title: localize('showTabs', "Show Tabs"), group: '3_config', order: 10 });
+MenuRegistry.appendMenuItem(MenuId.EditorTabsBarShowTabsSubmenu, { command: { id: ShowMultipleEditorTabsAction.ID, title: localize('multipleTabs', "Multiple Tab"), toggled: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'multiple') }, group: '1_config', order: 10 });
+MenuRegistry.appendMenuItem(MenuId.EditorTabsBarShowTabsSubmenu, { command: { id: ShowSingleEditorTabAction.ID, title: localize('singleTab', "Single Tab"), toggled: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'single') }, group: '1_config', order: 20 });
+MenuRegistry.appendMenuItem(MenuId.EditorTabsBarShowTabsSubmenu, { command: { id: HideEditorTabsAction.ID, title: localize('hideTabBar', "Hide Tab Bar"), toggled: ContextKeyExpr.equals('config.workbench.editor.showTabs', 'none') }, group: '1_config', order: 30 });
 MenuRegistry.appendMenuItem(MenuId.EditorTabsBarContext, { command: { id: ToggleSeparatePinnedTabsAction.ID, title: localize('toggleSeparatePinnedEditorTabs', "Separate Pinned Editor Tabs"), toggled: ContextKeyExpr.has('config.workbench.editor.pinnedTabsOnSeparateRow') }, when: EditorPinnedAndUnpinnedTabsContext, group: '3_config', order: 20 });
 
 // Editor Title Context Menu

src/vs/workbench/browser/parts/editor/editor.ts

@@ -25,7 +25,7 @@ export const DEFAULT_EDITOR_MIN_DIMENSIONS = new Dimension(220, 70);
 export const DEFAULT_EDITOR_MAX_DIMENSIONS = new Dimension(Number.POSITIVE_INFINITY, Number.POSITIVE_INFINITY);
 
 export const DEFAULT_EDITOR_PART_OPTIONS: IEditorPartOptions = {
-	showTabs: true,
+	showTabs: 'multiple',
 	highlightModifiedTabs: false,
 	tabCloseButton: 'right',
 	tabSizing: 'fit',
@@ -85,9 +85,21 @@ export function getEditorPartOptions(configurationService: IConfigurationService
 		options.tabHeight = windowConfig.window.density.editorTabHeight;
 	}
 
+	validateEditorPartOptions(options);
+
 	return options;
 }
 
+function validateEditorPartOptions(options: IEditorPartOptions) {
+	// showTabs ensure correct enum value
+	if (typeof options.showTabs === 'boolean') {
+		// Migration service kicks in very late and can cause a flicker otherwise
+		options.showTabs = options.showTabs ? 'multiple' : 'single';
+	} else if (options.showTabs !== 'multiple' && options.showTabs !== 'single' && options.showTabs !== 'none') {
+		options.showTabs = 'multiple';
+	}
+}
+
 /**
  * A helper to access editor groups across all opened editor parts.
  */

src/vs/workbench/browser/parts/editor/editorDropTarget.ts

@@ -530,7 +530,7 @@ class DropOverlay extends Themable {
 	private getOverlayOffsetHeight(): number {
 
 		// With tabs and opened editors: use the area below tabs as drop target
-		if (!this.groupView.isEmpty && this.editorGroupService.partOptions.showTabs) {
+		if (!this.groupView.isEmpty && this.editorGroupService.partOptions.showTabs === 'multiple') {
 			return this.groupView.titleHeight.offset;
 		}
 

src/vs/workbench/browser/parts/editor/editorGroupView.ts

@@ -463,7 +463,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 	}
 
 	private updateTitleContainer(): void {
-		this.titleContainer.classList.toggle('tabs', this.groupsView.partOptions.showTabs);
+		this.titleContainer.classList.toggle('tabs', this.groupsView.partOptions.showTabs === 'multiple');
 		this.titleContainer.classList.toggle('show-file-icons', this.groupsView.partOptions.showIcons);
 	}
 
@@ -699,7 +699,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 		// Title control switch between singleEditorTabs, multiEditorTabs and multiRowEditorTabs
 		if (
 			event.oldPartOptions.showTabs !== event.newPartOptions.showTabs ||
-			(event.oldPartOptions.showTabs && event.oldPartOptions.pinnedTabsOnSeparateRow !== event.newPartOptions.pinnedTabsOnSeparateRow)
+			(event.oldPartOptions.showTabs === 'multiple' && event.oldPartOptions.pinnedTabsOnSeparateRow !== event.newPartOptions.pinnedTabsOnSeparateRow)
 		) {
 
 			// Re-layout
@@ -1885,7 +1885,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 		}
 
 		const { showTabs } = this.groupsView.partOptions;
-		this.titleContainer.style.backgroundColor = this.getColor(showTabs ? EDITOR_GROUP_HEADER_TABS_BACKGROUND : EDITOR_GROUP_HEADER_NO_TABS_BACKGROUND) || '';
+		this.titleContainer.style.backgroundColor = this.getColor(showTabs === 'multiple' ? EDITOR_GROUP_HEADER_TABS_BACKGROUND : EDITOR_GROUP_HEADER_NO_TABS_BACKGROUND) || '';
 
 		// Editor container
 		this.editorContainer.style.backgroundColor = this.getColor(editorBackground) || '';

src/vs/workbench/browser/parts/editor/editorTabsControl.ts

@@ -290,7 +290,7 @@ export abstract class EditorTabsControl extends Themable implements IEditorTabsC
 
 			// Drag all tabs of the group if tabs are enabled
 			let hasDataTransfer = false;
-			if (this.groupsView.partOptions.showTabs) {
+			if (this.groupsView.partOptions.showTabs === 'multiple') {
 				hasDataTransfer = this.doFillResourceDataTransfers(this.groupView.getEditors(EditorsOrder.SEQUENTIAL), e);
 			}
 
@@ -309,7 +309,7 @@ export abstract class EditorTabsControl extends Themable implements IEditorTabsC
 			// Drag Image
 			if (this.groupView.activeEditor) {
 				let label = this.groupView.activeEditor.getName();
-				if (this.groupsView.partOptions.showTabs && this.groupView.count > 1) {
+				if (this.groupsView.partOptions.showTabs === 'multiple' && this.groupView.count > 1) {
 					label = localize('draggedEditorGroup', "{0} (+{1})", label, this.groupView.count - 1);
 				}
 

src/vs/workbench/browser/parts/editor/editorTitleControl.ts

@@ -17,6 +17,7 @@ import { EditorInput } from 'vs/workbench/common/editor/editorInput';
 import { DisposableStore } from 'vs/base/common/lifecycle';
 import { MultiRowEditorControl } from 'vs/workbench/browser/parts/editor/multiRowEditorTabsControl';
 import { IReadonlyEditorGroupModel } from 'vs/workbench/common/editor/editorGroupModel';
+import { NoEditorTabsControl } from 'vs/workbench/browser/parts/editor/noEditorTabsControl';
 
 export interface IEditorTitleControlDimensions {
 
@@ -57,23 +58,27 @@ export class EditorTitleControl extends Themable {
 	}
 
 	private createEditorTabsControl(): IEditorTabsControl {
-		let control: IEditorTabsControl;
-		if (this.groupsView.partOptions.showTabs) {
-			if (this.groupsView.partOptions.pinnedTabsOnSeparateRow) {
-				control = this.instantiationService.createInstance(MultiRowEditorControl, this.parent, this.editorPartsView, this.groupsView, this.groupView, this.model);
-			} else {
-				control = this.instantiationService.createInstance(MultiEditorTabsControl, this.parent, this.editorPartsView, this.groupsView, this.groupView, this.model);
-			}
-		} else {
-			control = this.instantiationService.createInstance(SingleEditorTabsControl, this.parent, this.editorPartsView, this.groupsView, this.groupView, this.model);
+		let tabsControlType;
+		switch (this.groupsView.partOptions.showTabs) {
+			case 'none':
+				tabsControlType = NoEditorTabsControl;
+				break;
+			case 'single':
+				tabsControlType = SingleEditorTabsControl;
+				break;
+			case 'multiple':
+			default:
+				tabsControlType = this.groupsView.partOptions.pinnedTabsOnSeparateRow ? MultiRowEditorControl : MultiEditorTabsControl;
+				break;
 		}
 
+		const control = this.instantiationService.createInstance(tabsControlType, this.parent, this.editorPartsView, this.groupsView, this.groupView, this.model);
 		return this.editorTabsControlDisposable.add(control);
 	}
 
 	private createBreadcrumbsControl(): BreadcrumbsControlFactory | undefined {
-		if (!this.groupsView.partOptions.showTabs) {
-			return undefined; // single tabs have breadcrumbs inlined
+		if (this.groupsView.partOptions.showTabs !== 'multiple') {
+			return undefined; // Single tabs have breadcrumbs inlined. No tabs have no breadcrumbs.
 		}
 
 		// Breadcrumbs container
@@ -170,7 +175,7 @@ export class EditorTitleControl extends Themable {
 		// Update editor tabs control if options changed
 		if (
 			oldOptions.showTabs !== newOptions.showTabs ||
-			(newOptions.showTabs && oldOptions.pinnedTabsOnSeparateRow !== newOptions.pinnedTabsOnSeparateRow)
+			(newOptions.showTabs === 'multiple' && oldOptions.pinnedTabsOnSeparateRow !== newOptions.pinnedTabsOnSeparateRow)
 		) {
 			// Clear old
 			this.editorTabsControlDisposable.clear();

src/vs/workbench/browser/parts/editor/media/singleeditortabscontrol.css

@@ -28,7 +28,7 @@
 
 /* Breadcrumbs (inline next to single editor tab) */
 
-.monaco-workbench .part.editor > .content .editor-group-container > .title.breadcrumbs .no-tabs.title-label {
+.monaco-workbench .part.editor > .content .editor-group-container > .title.breadcrumbs .single-tab.title-label {
 	flex: none;
 }
 

src/vs/workbench/browser/parts/editor/noEditorTabsControl.ts

@@ -0,0 +1,56 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import 'vs/css!./media/singleeditortabscontrol';
+import { EditorInput } from 'vs/workbench/common/editor/editorInput';
+import { EditorTabsControl, IToolbarActions } from 'vs/workbench/browser/parts/editor/editorTabsControl';
+import { Dimension } from 'vs/base/browser/dom';
+import { IEditorTitleControlDimensions } from 'vs/workbench/browser/parts/editor/editorTitleControl';
+
+export class NoEditorTabsControl extends EditorTabsControl {
+
+	protected prepareEditorActions(editorActions: IToolbarActions): IToolbarActions {
+		return {
+			primary: [],
+			secondary: []
+		};
+	}
+
+	openEditor(editor: EditorInput): boolean {
+		return false;
+	}
+
+	openEditors(editors: EditorInput[]): boolean {
+		return false;
+	}
+
+	beforeCloseEditor(editor: EditorInput): void { }
+
+	closeEditor(editor: EditorInput): void { }
+
+	closeEditors(editors: EditorInput[]): void { }
+
+	moveEditor(editor: EditorInput, fromIndex: number, targetIndex: number): void { }
+
+	pinEditor(editor: EditorInput): void { }
+
+	stickEditor(editor: EditorInput): void { }
+
+	unstickEditor(editor: EditorInput): void { }
+
+	setActive(isActive: boolean): void { }
+
+	updateEditorLabel(editor: EditorInput): void { }
+
+	updateEditorDirty(editor: EditorInput): void { }
+
+	getHeight(): number {
+		return 0;
+	}
+
+	layout(dimensions: IEditorTitleControlDimensions): Dimension {
+		return new Dimension(dimensions.container.width, this.getHeight());
+	}
+}

src/vs/workbench/browser/parts/editor/singleEditorTabsControl.ts

@@ -317,7 +317,7 @@ export class SingleEditorTabsControl extends EditorTabsControl {
 				{
 					title,
 					italic: !isEditorPinned,
-					extraClasses: ['no-tabs', 'title-label'].concat(editor.getLabelExtraClasses()),
+					extraClasses: ['single-tab', 'title-label'].concat(editor.getLabelExtraClasses()),
 					fileDecorations: {
 						colors: Boolean(options.decorations?.colors),
 						badges: Boolean(options.decorations?.badges)