Merge branch 'master' into isidorn/listClear

build/builtInExtensions.json

 [
 	{
 		"name": "ms-vscode.node-debug",
-		"version": "1.35.3",
+		"version": "1.38.2",
 		"repo": "https://github.com/Microsoft/vscode-node-debug",
 		"metadata": {
 			"id": "b6ded8fb-a0a0-4c1c-acbd-ab2a3bc995a6",

extensions/git/src/repository.ts

@@ -679,12 +679,15 @@ export class Repository implements Disposable {
 
 		const root = Uri.file(repository.root);
 		this._sourceControl = scm.createSourceControl('git', 'Git', root);
-		this._sourceControl.inputBox.placeholder = localize('commitMessage', "Message (press {0} to commit)");
+
 		this._sourceControl.acceptInputCommand = { command: 'git.commit', title: localize('commit', "Commit"), arguments: [this._sourceControl] };
 		this._sourceControl.quickDiffProvider = this;
 		this._sourceControl.inputBox.validateInput = this.validateInput.bind(this);
 		this.disposables.push(this._sourceControl);
 
+		this.updateInputBoxPlaceholder();
+		this.disposables.push(this.onDidRunGitStatus(() => this.updateInputBoxPlaceholder()));
+
 		this._mergeGroup = this._sourceControl.createResourceGroup('merge', localize('merge changes', "MERGE CHANGES"));
 		this._indexGroup = this._sourceControl.createResourceGroup('index', localize('staged changes', "STAGED CHANGES"));
 		this._workingTreeGroup = this._sourceControl.createResourceGroup('workingTree', localize('changes', "CHANGES"));
@@ -1649,6 +1652,21 @@ export class Repository implements Disposable {
 		return `${this.HEAD.behind}↓ ${this.HEAD.ahead}↑`;
 	}
 
+	private updateInputBoxPlaceholder(): void {
+		const HEAD = this.HEAD;
+
+		if (HEAD) {
+			const tag = this.refs.filter(iref => iref.type === RefType.Tag && iref.commit === HEAD.commit)[0];
+			const tagName = tag && tag.name;
+			const head = HEAD.name || tagName || (HEAD.commit || '').substr(0, 8);
+
+			// '{0}' will be replaced by the corresponding key-command later in the process, which is why it needs to stay.
+			this._sourceControl.inputBox.placeholder = localize('commitMessageWithHeadLabel', "Message ({0} to commit on '{1}')", "{0}", head);
+		} else {
+			this._sourceControl.inputBox.placeholder = localize('commitMessage', "Message ({0} to commit)");
+		}
+	}
+
 	dispose(): void {
 		this.disposables = dispose(this.disposables);
 	}

extensions/vscode-api-tests/src/singlefolder-tests/terminal.test.ts

@@ -337,14 +337,15 @@ suite('window namespace tests', () => {
 						});
 						terminal.dispose();
 					});
-					overrideDimensionsEmitter.fire({ columns: 10, rows: 5 });
 				});
 				const writeEmitter = new EventEmitter<string>();
 				const overrideDimensionsEmitter = new EventEmitter<TerminalDimensions>();
 				const pty: Pseudoterminal = {
 					onDidWrite: writeEmitter.event,
 					onDidOverrideDimensions: overrideDimensionsEmitter.event,
-					open: () => {},
+					open: () => {
+						overrideDimensionsEmitter.fire({ columns: 10, rows: 5 });
+					},
 					close: () => {}
 				};
 				const terminal = window.createTerminal({ name: 'foo', pty });

src/vs/base/browser/ui/checkbox/check-dark.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M15 3.76345L5.80687 11.9351L5.08584 11.8927L1 7.29614L1.76345 6.61752L5.50997 10.8324L14.3214 3L15 3.76345Z" fill="#C5C5C5"/>
+</svg>

src/vs/base/browser/ui/checkbox/check-light.svg

+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M15 3.76345L5.80687 11.9351L5.08584 11.8927L1 7.29614L1.76345 6.61752L5.50997 10.8324L14.3214 3L15 3.76345Z" fill="#424242"/>
+</svg>

src/vs/base/browser/ui/checkbox/checkbox.css

@@ -39,4 +39,24 @@
 
 .hc-black .monaco-custom-checkbox:hover {
 	background: none;
-}
+}
\ No newline at end of file
+
+.monaco-custom-checkbox.monaco-simple-checkbox {
+	height: 18px;
+	width: 18px;
+	border: 1px solid transparent;
+	border-radius: 3px;
+	margin-right: 9px;
+	margin-left: 0px;
+	padding: 0px;
+	opacity: 1;
+	background-size: 16px !important;
+}
+
+.monaco-custom-checkbox.monaco-simple-checkbox.checked {
+	background: url('check-light.svg') center center no-repeat;
+}
+
+.monaco-custom-checkbox.monaco-simple-checkbox.checked {
+	background: url('check-dark.svg') center center no-repeat;
+}

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

@@ -25,6 +25,12 @@ export interface ICheckboxStyles {
 	inputActiveOptionBackground?: Color;
 }
 
+export interface ISimpleCheckboxStyles {
+	checkboxBackground?: Color;
+	checkboxBorder?: Color;
+	checkboxForeground?: Color;
+}
+
 const defaultOpts = {
 	inputActiveOptionBorder: Color.fromHex('#007ACC00'),
 	inputActiveOptionBackground: Color.fromHex('#0E639C50')
@@ -174,3 +180,46 @@ export class Checkbox extends Widget {
 		this.domNode.setAttribute('aria-disabled', String(true));
 	}
 }
+
+export class SimpleCheckbox extends Widget {
+	private checkbox: Checkbox;
+	private styles: ISimpleCheckboxStyles;
+
+	readonly domNode: HTMLElement;
+
+	constructor(private title: string, private isChecked: boolean) {
+		super();
+
+		this.checkbox = new Checkbox({ title: this.title, isChecked: this.isChecked, actionClassName: 'monaco-simple-checkbox' });
+
+		this.domNode = this.checkbox.domNode;
+
+		this.styles = {};
+
+		this.checkbox.onChange(() => {
+			this.applyStyles();
+		});
+	}
+
+	get checked(): boolean {
+		return this.checkbox.checked;
+	}
+
+	set checked(newIsChecked: boolean) {
+		this.checkbox.checked = newIsChecked;
+
+		this.applyStyles();
+	}
+
+	style(styles: ISimpleCheckboxStyles): void {
+		this.styles = styles;
+
+		this.applyStyles();
+	}
+
+	protected applyStyles(): void {
+		this.domNode.style.color = this.styles.checkboxForeground ? this.styles.checkboxForeground.toString() : null;
+		this.domNode.style.backgroundColor = this.styles.checkboxBackground ? this.styles.checkboxBackground.toString() : null;
+		this.domNode.style.borderColor = this.styles.checkboxBorder ? this.styles.checkboxBorder.toString() : null;
+	}
+}

src/vs/base/browser/ui/dialog/dialog.css

@@ -149,6 +149,11 @@
 	outline-style: solid;
 }
 
+.monaco-workbench .dialog-box .dialog-message-row .dialog-message-container .dialog-checkbox-row {
+	padding: 15px 0px 0px;
+	display: flex;
+}
+
 /** Dialog: Buttons Row */
 .monaco-workbench .dialog-box > .dialog-buttons-row {
 	display: flex;
@@ -175,4 +180,4 @@
 	margin: 4px 5px; /* allows button focus outline to be visible */
 	overflow: hidden;
 	text-overflow: ellipsis;
-}
+}
\ No newline at end of file

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

@@ -16,15 +16,23 @@ import { ActionBar } from 'vs/base/browser/ui/actionbar/actionbar';
 import { Action } from 'vs/base/common/actions';
 import { mnemonicButtonLabel } from 'vs/base/common/labels';
 import { isMacintosh, isLinux } from 'vs/base/common/platform';
+import { SimpleCheckbox, ISimpleCheckboxStyles } from 'vs/base/browser/ui/checkbox/checkbox';
 
 export interface IDialogOptions {
 	cancelId?: number;
 	detail?: string;
+	checkboxLabel?: string;
+	checkboxChecked?: boolean;
 	type?: 'none' | 'info' | 'error' | 'question' | 'warning' | 'pending';
 	keyEventProcessor?: (event: StandardKeyboardEvent) => void;
 }
 
-export interface IDialogStyles extends IButtonStyles {
+export interface IDialogResult {
+	button: number;
+	checkboxChecked?: boolean;
+}
+
+export interface IDialogStyles extends IButtonStyles, ISimpleCheckboxStyles {
 	dialogForeground?: Color;
 	dialogBackground?: Color;
 	dialogShadow?: Color;
@@ -42,6 +50,7 @@ export class Dialog extends Disposable {
 	private buttonsContainer: HTMLElement | undefined;
 	private messageDetailElement: HTMLElement | undefined;
 	private iconElement: HTMLElement | undefined;
+	private checkbox: SimpleCheckbox | undefined;
 	private toolbarContainer: HTMLElement | undefined;
 	private buttonGroup: ButtonGroup | undefined;
 	private styles: IDialogStyles | undefined;
@@ -68,6 +77,19 @@ export class Dialog extends Disposable {
 		this.messageDetailElement = messageContainer.appendChild($('.dialog-message-detail'));
 		this.messageDetailElement.innerText = this.options.detail ? this.options.detail : message;
 
+		if (this.options.checkboxLabel) {
+			const checkboxRowElement = messageContainer.appendChild($('.dialog-checkbox-row'));
+
+			this.checkbox = this._register(new SimpleCheckbox(this.options.checkboxLabel, !!this.options.checkboxChecked));
+
+			checkboxRowElement.appendChild(this.checkbox.domNode);
+
+			const checkboxMessageElement = checkboxRowElement.appendChild($('.dialog-checkbox-message'));
+			checkboxMessageElement.innerText = this.options.checkboxLabel;
+		}
+
+
+
 		const toolbarRowElement = this.element.appendChild($('.dialog-toolbar-row'));
 		this.toolbarContainer = toolbarRowElement.appendChild($('.dialog-toolbar'));
 	}
@@ -78,12 +100,12 @@ export class Dialog extends Disposable {
 		}
 	}
 
-	async show(): Promise<number> {
+	async show(): Promise<IDialogResult> {
 		this.focusToReturn = document.activeElement as HTMLElement;
 
-		return new Promise<number>((resolve) => {
+		return new Promise<IDialogResult>((resolve) => {
 			if (!this.element || !this.buttonsContainer || !this.iconElement || !this.toolbarContainer) {
-				resolve(0);
+				resolve({ button: 0 });
 				return;
 			}
 
@@ -112,7 +134,7 @@ export class Dialog extends Disposable {
 
 				this._register(button.onDidClick(e => {
 					EventHelper.stop(e);
-					resolve(buttonMap[index].index);
+					resolve({ button: buttonMap[index].index, checkboxChecked: this.checkbox ? this.checkbox.checked : undefined });
 				}));
 			});
 
@@ -147,7 +169,7 @@ export class Dialog extends Disposable {
 				const evt = new StandardKeyboardEvent(e);
 
 				if (evt.equals(KeyCode.Escape)) {
-					resolve(this.options.cancelId || 0);
+					resolve({ button: this.options.cancelId || 0, checkboxChecked: this.checkbox ? this.checkbox.checked : undefined });
 				}
 			}));
 
@@ -187,7 +209,7 @@ export class Dialog extends Disposable {
 			const actionBar = new ActionBar(this.toolbarContainer, {});
 
 			const action = new Action('dialog.close', nls.localize('dialogClose', "Close Dialog"), 'dialog-close-action', true, () => {
-				resolve(this.options.cancelId || 0);
+				resolve({ button: this.options.cancelId || 0, checkboxChecked: this.checkbox ? this.checkbox.checked : undefined });
 				return Promise.resolve();
 			});
 
@@ -221,6 +243,10 @@ export class Dialog extends Disposable {
 				if (this.buttonGroup) {
 					this.buttonGroup.buttons.forEach(button => button.style(style));
 				}
+
+				if (this.checkbox) {
+					this.checkbox.style(style);
+				}
 			}
 		}
 	}
@@ -261,4 +287,4 @@ export class Dialog extends Disposable {
 
 		return buttonMap;
 	}
-}
+}
\ No newline at end of file

src/vs/base/browser/ui/grid/gridview.ts

@@ -348,6 +348,7 @@ class BranchNode implements ISplitView, IDisposable {
 		}
 
 		this.splitview.setViewVisible(index, visible);
+		this._onDidChange.fire(undefined);
 	}
 
 	getChildCachedVisibleSize(index: number): number | undefined {

src/vs/base/browser/ui/splitview/splitview.css

@@ -39,6 +39,7 @@
 	white-space: initial;
 	flex: none;
 	position: relative;
+	overflow: hidden;
 }
 
 .monaco-split-view2 > .split-view-container > .split-view-view:not(.visible) {
@@ -72,4 +73,4 @@
 .monaco-split-view2.separator-border.vertical > .split-view-container > .split-view-view:not(:first-child)::before {
 	height: 1px;
 	width: 100%;
-}
+}
\ No newline at end of file

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

@@ -125,7 +125,10 @@ abstract class ViewItem {
 		dom.addClass(container, 'visible');
 	}
 
-	abstract layout(): void;
+	layout(): void {
+		this.container.scrollTop = 0;
+		this.container.scrollLeft = 0;
+	}
 
 	layoutView(orientation: Orientation): void {
 		this.view.layout(this.size, orientation);
@@ -140,6 +143,7 @@ abstract class ViewItem {
 class VerticalViewItem extends ViewItem {
 
 	layout(): void {
+		super.layout();
 		this.container.style.height = `${this.size}px`;
 		this.layoutView(Orientation.VERTICAL);
 	}
@@ -148,6 +152,7 @@ class VerticalViewItem extends ViewItem {
 class HorizontalViewItem extends ViewItem {
 
 	layout(): void {
+		super.layout();
 		this.container.style.width = `${this.size}px`;
 		this.layoutView(Orientation.HORIZONTAL);
 	}

src/vs/editor/browser/viewParts/lines/viewLines.ts

@@ -95,7 +95,7 @@ export class ViewLines extends ViewPart implements IVisibleLinesHost<ViewLine>,
 		this._typicalHalfwidthCharacterWidth = conf.editor.fontInfo.typicalHalfwidthCharacterWidth;
 		this._isViewportWrapping = conf.editor.wrappingInfo.isViewportWrapping;
 		this._revealHorizontalRightPadding = conf.editor.viewInfo.revealHorizontalRightPadding;
-		this._scrollOff = conf.editor.viewInfo.scrollOff;
+		this._scrollOff = conf.editor.viewInfo.cursorSurroundingLines;
 		this._canUseLayerHinting = conf.editor.canUseLayerHinting;
 		this._viewLineOptions = new ViewLineOptions(conf, this._context.theme.type);
 
@@ -152,7 +152,7 @@ export class ViewLines extends ViewPart implements IVisibleLinesHost<ViewLine>,
 		}
 		if (e.viewInfo) {
 			this._revealHorizontalRightPadding = conf.editor.viewInfo.revealHorizontalRightPadding;
-			this._scrollOff = conf.editor.viewInfo.scrollOff;
+			this._scrollOff = conf.editor.viewInfo.cursorSurroundingLines;
 		}
 		if (e.canUseLayerHinting) {
 			this._canUseLayerHinting = conf.editor.canUseLayerHinting;

src/vs/editor/common/config/commonEditorConfig.ts

@@ -268,10 +268,10 @@ const editorConfiguration: IConfigurationNode = {
 			'default': 'on',
 			'description': nls.localize('lineNumbers', "Controls the display of line numbers.")
 		},
-		'editor.scrollOff': {
+		'editor.cursorSurroundingLines': {
 			'type': 'number',
-			'default': EDITOR_DEFAULTS.viewInfo.scrollOff,
-			'description': nls.localize('scrollOff', "Controls the number of context lines above and below the cursor.")
+			'default': EDITOR_DEFAULTS.viewInfo.cursorSurroundingLines,
+			'description': nls.localize('cursorSurroundingLines', "Controls the minimal number of visible leading and trailing lines surrounding the cursor. Known as 'scrollOff' or `scrollOffset` in some other editors.")
 		},
 		'editor.renderFinalNewline': {
 			'type': 'boolean',

src/vs/editor/common/config/editorOptions.ts

@@ -269,10 +269,10 @@ export interface IEditorOptions {
 	 */
 	lineNumbers?: 'on' | 'off' | 'relative' | 'interval' | ((lineNumber: number) => string);
 	/**
-	 * Controls the number of context lines above and below the cursor.
+	 * Controls the minimal number of visible leading and trailing lines surrounding the cursor.
 	 * Defaults to 0.
 	*/
-	scrollOff?: number;
+	cursorSurroundingLines?: number;
 	/**
 	 * Render last line number when the file ends with a newline.
 	 * Defaults to true.
@@ -987,7 +987,7 @@ export interface InternalEditorViewOptions {
 	readonly ariaLabel: string;
 	readonly renderLineNumbers: RenderLineNumbersType;
 	readonly renderCustomLineNumbers: ((lineNumber: number) => string) | null;
-	readonly scrollOff: number;
+	readonly cursorSurroundingLines: number;
 	readonly renderFinalNewline: boolean;
 	readonly selectOnLineNumbers: boolean;
 	readonly glyphMargin: boolean;
@@ -1296,7 +1296,7 @@ export class InternalEditorOptions {
 			&& a.ariaLabel === b.ariaLabel
 			&& a.renderLineNumbers === b.renderLineNumbers
 			&& a.renderCustomLineNumbers === b.renderCustomLineNumbers
-			&& a.scrollOff === b.scrollOff
+			&& a.cursorSurroundingLines === b.cursorSurroundingLines
 			&& a.renderFinalNewline === b.renderFinalNewline
 			&& a.selectOnLineNumbers === b.selectOnLineNumbers
 			&& a.glyphMargin === b.glyphMargin
@@ -2056,7 +2056,7 @@ export class EditorOptionsValidator {
 			disableMonospaceOptimizations: disableMonospaceOptimizations,
 			rulers: rulers,
 			ariaLabel: _string(opts.ariaLabel, defaults.ariaLabel),
-			scrollOff: _clampedInt(opts.scrollOff, defaults.cursorWidth, 0, Number.MAX_VALUE),
+			cursorSurroundingLines: _clampedInt(opts.cursorSurroundingLines, defaults.cursorWidth, 0, Number.MAX_VALUE),
 			renderLineNumbers: renderLineNumbers,
 			renderCustomLineNumbers: renderCustomLineNumbers,
 			renderFinalNewline: _boolean(opts.renderFinalNewline, defaults.renderFinalNewline),
@@ -2180,7 +2180,7 @@ export class InternalEditorOptionsFactory {
 				ariaLabel: (accessibilityIsOff ? nls.localize('accessibilityOffAriaLabel', "The editor is not accessible at this time. Press Alt+F1 for options.") : opts.viewInfo.ariaLabel),
 				renderLineNumbers: opts.viewInfo.renderLineNumbers,
 				renderCustomLineNumbers: opts.viewInfo.renderCustomLineNumbers,
-				scrollOff: opts.viewInfo.scrollOff,
+				cursorSurroundingLines: opts.viewInfo.cursorSurroundingLines,
 				renderFinalNewline: opts.viewInfo.renderFinalNewline,
 				selectOnLineNumbers: opts.viewInfo.selectOnLineNumbers,
 				glyphMargin: opts.viewInfo.glyphMargin,
@@ -2645,7 +2645,7 @@ export const EDITOR_DEFAULTS: IValidatedEditorOptions = {
 		ariaLabel: nls.localize('editorViewAccessibleLabel', "Editor content"),
 		renderLineNumbers: RenderLineNumbersType.On,
 		renderCustomLineNumbers: null,
-		scrollOff: 0,
+		cursorSurroundingLines: 0,
 		renderFinalNewline: true,
 		selectOnLineNumbers: true,
 		glyphMargin: true,

src/vs/editor/contrib/suggest/suggestWidget.ts

@@ -961,12 +961,14 @@ export class SuggestWidget implements IContentWidget, IListVirtualDelegate<Compl
 		this.expandSideOrBelow();
 
 		show(this.details.element);
+
+		this.details.element.style.maxHeight = this.maxWidgetHeight + 'px';
+
 		if (loading) {
 			this.details.renderLoading();
 		} else {
 			this.details.renderItem(this.list.getFocusedElements()[0], this.explainMode);
 		}
-		this.details.element.style.maxHeight = this.maxWidgetHeight + 'px';
 
 		// Reset margin-top that was set as Fix for #26416
 		this.listElement.style.marginTop = '0px';

src/vs/monaco.d.ts

@@ -2650,10 +2650,10 @@ declare namespace monaco.editor {
 		 */
 		lineNumbers?: 'on' | 'off' | 'relative' | 'interval' | ((lineNumber: number) => string);
 		/**
-		 * Controls the number of context lines above and below the cursor.
+		 * Controls the minimal number of visible leading and trailing lines surrounding the cursor.
 		 * Defaults to 0.
 		*/
-		scrollOff?: number;
+		cursorSurroundingLines?: number;
 		/**
 		 * Render last line number when the file ends with a newline.
 		 * Defaults to true.
@@ -3302,7 +3302,7 @@ declare namespace monaco.editor {
 		readonly ariaLabel: string;
 		readonly renderLineNumbers: RenderLineNumbersType;
 		readonly renderCustomLineNumbers: ((lineNumber: number) => string) | null;
-		readonly scrollOff: number;
+		readonly cursorSurroundingLines: number;
 		readonly renderFinalNewline: boolean;
 		readonly selectOnLineNumbers: boolean;
 		readonly glyphMargin: boolean;

src/vs/platform/dialogs/browser/dialogService.ts

@@ -40,32 +40,35 @@ export class DialogService implements IDialogService {
 			buttons.push(nls.localize('cancelButton', "Cancel"));
 		}
 
-		const severity = this.getSeverity(confirmation.type || 'none');
-		const result = await this.show(severity, confirmation.message, buttons, { cancelId: 1, detail: confirmation.detail });
+		const dialogDisposables = new DisposableStore();
+		const dialog = new Dialog(
+			this.layoutService.container,
+			confirmation.message,
+			buttons,
+			{
+				detail: confirmation.detail,
+				cancelId: 1,
+				type: confirmation.type,
+				keyEventProcessor: (event: StandardKeyboardEvent) => {
+					EventHelper.stop(event, true);
+				},
+				checkboxChecked: confirmation.checkbox ? confirmation.checkbox.checked : undefined,
+				checkboxLabel: confirmation.checkbox ? confirmation.checkbox.label : undefined
+			});
 
-		return { confirmed: result === 0 };
-	}
+		dialogDisposables.add(dialog);
+		dialogDisposables.add(attachDialogStyler(dialog, this.themeService));
 
-	private getSeverity(type: DialogType): Severity {
-		switch (type) {
-			case 'error':
-				return Severity.Error;
-			case 'warning':
-				return Severity.Warning;
-			case 'question':
-			case 'info':
-				return Severity.Info;
-			case 'none':
-			default:
-				return Severity.Ignore;
-		}
+		const result = await dialog.show();
+		dialogDisposables.dispose();
+
+		return { confirmed: result.button === 0, checkboxChecked: result.checkboxChecked };
 	}
 
 	private getDialogType(severity: Severity): DialogType {
 		return (severity === Severity.Info) ? 'question' : (severity === Severity.Error) ? 'error' : (severity === Severity.Warning) ? 'warning' : 'none';
 	}
 
-
 	async show(severity: Severity, message: string, buttons: string[], options?: IDialogOptions): Promise<number> {
 		this.logService.trace('DialogService#show', message);
 
@@ -86,9 +89,9 @@ export class DialogService implements IDialogService {
 		dialogDisposables.add(dialog);
 		dialogDisposables.add(attachDialogStyler(dialog, this.themeService));
 
-		const choice = await dialog.show();
+		const result = await dialog.show();
 		dialogDisposables.dispose();
 
-		return choice;
+		return result.button;
 	}
 }

src/vs/platform/dialogs/common/dialogs.ts

@@ -127,6 +127,8 @@ export const IDialogService = createDecorator<IDialogService>('dialogService');
 export interface IDialogOptions {
 	cancelId?: number;
 	detail?: string;
+	checkboxLabel?: string;
+	checkboxChecked?: boolean;
 }
 
 /**
@@ -234,4 +236,4 @@ export function getConfirmMessage(start: string, resourcesToConfirm: URI[]): str
 
 	message.push('');
 	return message.join('\n');
-}
+}
\ No newline at end of file

src/vs/platform/theme/common/colorRegistry.ts

@@ -222,6 +222,10 @@ export const selectListBackground = registerColor('dropdown.listBackground', { d
 export const selectForeground = registerColor('dropdown.foreground', { dark: '#F0F0F0', light: null, hc: Color.white }, nls.localize('dropdownForeground', "Dropdown foreground."));
 export const selectBorder = registerColor('dropdown.border', { dark: selectBackground, light: '#CECECE', hc: contrastBorder }, nls.localize('dropdownBorder', "Dropdown border."));
 
+export const simpleCheckboxBackground = registerColor('checkbox.background', { dark: selectBackground, light: selectBackground, hc: selectBackground }, nls.localize('checkbox.background', "Background color of checkbox widget."));
+export const simpleCheckboxForeground = registerColor('checkbox.foreground', { dark: selectForeground, light: selectForeground, hc: selectForeground }, nls.localize('checkbox.foreground', "Foreground color of checkbox widget."));
+export const simpleCheckboxBorder = registerColor('checkbox.border', { dark: selectBorder, light: selectBorder, hc: selectBorder }, nls.localize('checkbox.border', "Border color of checkbox widget."));
+
 export const listFocusBackground = registerColor('list.focusBackground', { dark: '#062F4A', light: '#D6EBFF', hc: null }, nls.localize('listFocusBackground', "List/Tree background color for the focused item when the list/tree is active. An active list/tree has keyboard focus, an inactive does not."));
 export const listFocusForeground = registerColor('list.focusForeground', { dark: null, light: null, hc: null }, nls.localize('listFocusForeground', "List/Tree foreground color for the focused item when the list/tree is active. An active list/tree has keyboard focus, an inactive does not."));
 export const listActiveSelectionBackground = registerColor('list.activeSelectionBackground', { dark: '#094771', light: '#0074E8', hc: null }, nls.localize('listActiveSelectionBackground', "List/Tree background color for the selected item when the list/tree is active. An active list/tree has keyboard focus, an inactive does not."));

src/vs/platform/theme/common/styler.ts

@@ -4,7 +4,7 @@
  *--------------------------------------------------------------------------------------------*/
 
 import { ITheme, IThemeService } from 'vs/platform/theme/common/themeService';
-import { focusBorder, inputBackground, inputForeground, ColorIdentifier, selectForeground, selectBackground, selectListBackground, selectBorder, inputBorder, foreground, editorBackground, contrastBorder, inputActiveOptionBorder, inputActiveOptionBackground, listFocusBackground, listFocusForeground, listActiveSelectionBackground, listActiveSelectionForeground, listInactiveSelectionForeground, listInactiveSelectionBackground, listInactiveFocusBackground, listHoverBackground, listHoverForeground, listDropBackground, pickerGroupBorder, pickerGroupForeground, widgetShadow, inputValidationInfoBorder, inputValidationInfoBackground, inputValidationWarningBorder, inputValidationWarningBackground, inputValidationErrorBorder, inputValidationErrorBackground, activeContrastBorder, buttonForeground, buttonBackground, buttonHoverBackground, ColorFunction, badgeBackground, badgeForeground, progressBarBackground, breadcrumbsForeground, breadcrumbsFocusForeground, breadcrumbsActiveSelectionForeground, breadcrumbsBackground, editorWidgetBorder, inputValidationInfoForeground, inputValidationWarningForeground, inputValidationErrorForeground, menuForeground, menuBackground, menuSelectionForeground, menuSelectionBackground, menuSelectionBorder, menuBorder, menuSeparatorBackground, darken, listFilterWidgetOutline, listFilterWidgetNoMatchesOutline, listFilterWidgetBackground, editorWidgetBackground, treeIndentGuidesStroke, editorWidgetForeground } from 'vs/platform/theme/common/colorRegistry';
+import { focusBorder, inputBackground, inputForeground, ColorIdentifier, selectForeground, selectBackground, selectListBackground, selectBorder, inputBorder, foreground, editorBackground, contrastBorder, inputActiveOptionBorder, inputActiveOptionBackground, listFocusBackground, listFocusForeground, listActiveSelectionBackground, listActiveSelectionForeground, listInactiveSelectionForeground, listInactiveSelectionBackground, listInactiveFocusBackground, listHoverBackground, listHoverForeground, listDropBackground, pickerGroupBorder, pickerGroupForeground, widgetShadow, inputValidationInfoBorder, inputValidationInfoBackground, inputValidationWarningBorder, inputValidationWarningBackground, inputValidationErrorBorder, inputValidationErrorBackground, activeContrastBorder, buttonForeground, buttonBackground, buttonHoverBackground, ColorFunction, badgeBackground, badgeForeground, progressBarBackground, breadcrumbsForeground, breadcrumbsFocusForeground, breadcrumbsActiveSelectionForeground, breadcrumbsBackground, editorWidgetBorder, inputValidationInfoForeground, inputValidationWarningForeground, inputValidationErrorForeground, menuForeground, menuBackground, menuSelectionForeground, menuSelectionBackground, menuSelectionBorder, menuBorder, menuSeparatorBackground, darken, listFilterWidgetOutline, listFilterWidgetNoMatchesOutline, listFilterWidgetBackground, editorWidgetBackground, treeIndentGuidesStroke, editorWidgetForeground, simpleCheckboxBackground, simpleCheckboxBorder, simpleCheckboxForeground } from 'vs/platform/theme/common/colorRegistry';
 import { IDisposable } from 'vs/base/common/lifecycle';
 import { Color } from 'vs/base/common/color';
 import { mixin } from 'vs/base/common/objects';
@@ -341,6 +341,9 @@ export interface IDialogStyleOverrides extends IButtonStyleOverrides {
 	dialogBackground?: ColorIdentifier;
 	dialogShadow?: ColorIdentifier;
 	dialogBorder?: ColorIdentifier;
+	checkboxBorder?: ColorIdentifier;
+	checkboxBackground?: ColorIdentifier;
+	checkboxForeground?: ColorIdentifier;
 }
 
 export const defaultDialogStyles = <IDialogStyleOverrides>{
@@ -351,7 +354,10 @@ export const defaultDialogStyles = <IDialogStyleOverrides>{
 	buttonForeground: buttonForeground,
 	buttonBackground: buttonBackground,
 	buttonHoverBackground: buttonHoverBackground,
-	buttonBorder: contrastBorder
+	buttonBorder: contrastBorder,
+	checkboxBorder: simpleCheckboxBorder,
+	checkboxBackground: simpleCheckboxBackground,
+	checkboxForeground: simpleCheckboxForeground
 };
 
 

src/vs/workbench/browser/contextkeys.ts

@@ -8,7 +8,7 @@ import { Disposable } from 'vs/base/common/lifecycle';
 import { IContextKeyService, IContextKey, RawContextKey } from 'vs/platform/contextkey/common/contextkey';
 import { InputFocusedContext } from 'vs/platform/contextkey/common/contextkeys';
 import { IWindowsConfiguration } from 'vs/platform/windows/common/windows';
-import { ActiveEditorContext, EditorsVisibleContext, TextCompareEditorVisibleContext, TextCompareEditorActiveContext, ActiveEditorGroupEmptyContext, MultipleEditorGroupsContext, TEXT_DIFF_EDITOR_ID, SplitEditorsVertically, InEditorZenModeContext, IsCenteredLayoutContext } from 'vs/workbench/common/editor';
+import { ActiveEditorContext, EditorsVisibleContext, TextCompareEditorVisibleContext, TextCompareEditorActiveContext, ActiveEditorGroupEmptyContext, MultipleEditorGroupsContext, TEXT_DIFF_EDITOR_ID, SplitEditorsVertically, InEditorZenModeContext, IsCenteredLayoutContext, ActiveEditorGroupIndexContext, ActiveEditorGroupLastContext } from 'vs/workbench/common/editor';
 import { trackFocus, addDisposableListener, EventType } from 'vs/base/browser/dom';
 import { preferredSideBySideGroupDirection, GroupDirection, IEditorGroupsService } from 'vs/workbench/services/editor/common/editorGroupsService';
 import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
@@ -52,17 +52,20 @@ export class WorkbenchContextKeysHandler extends Disposable {
 	private inputFocusedContext: IContextKey<boolean>;
 
 	private activeEditorContext: IContextKey<string | null>;
+
+	private activeEditorGroupEmpty: IContextKey<boolean>;
+	private activeEditorGroupIndex: IContextKey<number>;
+	private activeEditorGroupLast: IContextKey<boolean>;
+	private multipleEditorGroupsContext: IContextKey<boolean>;
+
 	private editorsVisibleContext: IContextKey<boolean>;
 	private textCompareEditorVisibleContext: IContextKey<boolean>;
 	private textCompareEditorActiveContext: IContextKey<boolean>;
-	private activeEditorGroupEmpty: IContextKey<boolean>;
-	private multipleEditorGroupsContext: IContextKey<boolean>;
 	private splitEditorsVerticallyContext: IContextKey<boolean>;
 
 	private workbenchStateContext: IContextKey<string>;
 	private workspaceFolderCountContext: IContextKey<number>;
 
-
 	private inZenModeContext: IContextKey<boolean>;
 	private isFullscreenContext: IContextKey<boolean>;
 	private isCenteredLayoutContext: IContextKey<boolean>;
@@ -90,8 +93,10 @@ export class WorkbenchContextKeysHandler extends Disposable {
 
 		this._register(this.editorService.onDidActiveEditorChange(() => this.updateEditorContextKeys()));
 		this._register(this.editorService.onDidVisibleEditorsChange(() => this.updateEditorContextKeys()));
+
 		this._register(this.editorGroupService.onDidAddGroup(() => this.updateEditorContextKeys()));
 		this._register(this.editorGroupService.onDidRemoveGroup(() => this.updateEditorContextKeys()));
+		this._register(this.editorGroupService.onDidGroupIndexChange(() => this.updateEditorContextKeys()));
 
 		this._register(addDisposableListener(window, EventType.FOCUS_IN, () => this.updateInputContextKeys(), true));
 
@@ -141,6 +146,8 @@ export class WorkbenchContextKeysHandler extends Disposable {
 		this.textCompareEditorVisibleContext = TextCompareEditorVisibleContext.bindTo(this.contextKeyService);
 		this.textCompareEditorActiveContext = TextCompareEditorActiveContext.bindTo(this.contextKeyService);
 		this.activeEditorGroupEmpty = ActiveEditorGroupEmptyContext.bindTo(this.contextKeyService);
+		this.activeEditorGroupIndex = ActiveEditorGroupIndexContext.bindTo(this.contextKeyService);
+		this.activeEditorGroupLast = ActiveEditorGroupLastContext.bindTo(this.contextKeyService);
 		this.multipleEditorGroupsContext = MultipleEditorGroupsContext.bindTo(this.contextKeyService);
 
 		// Inputs
@@ -176,6 +183,7 @@ export class WorkbenchContextKeysHandler extends Disposable {
 	}
 
 	private updateEditorContextKeys(): void {
+		const activeGroup = this.editorGroupService.activeGroup;
 		const activeControl = this.editorService.activeControl;
 		const visibleEditors = this.editorService.visibleControls;
 
@@ -194,12 +202,16 @@ export class WorkbenchContextKeysHandler extends Disposable {
 			this.activeEditorGroupEmpty.reset();
 		}
 
-		if (this.editorGroupService.count > 1) {
+		const groupCount = this.editorGroupService.count;
+		if (groupCount > 1) {
 			this.multipleEditorGroupsContext.set(true);
 		} else {
 			this.multipleEditorGroupsContext.reset();
 		}
 
+		this.activeEditorGroupIndex.set(activeGroup.index);
+		this.activeEditorGroupLast.set(activeGroup.index === groupCount - 1);
+
 		if (activeControl) {
 			this.activeEditorContext.set(activeControl.getId());
 		} else {
@@ -250,4 +262,4 @@ export class WorkbenchContextKeysHandler extends Disposable {
 	private updateSideBarContextKeys(): void {
 		this.sideBarVisibleContext.set(this.layoutService.isVisible(Parts.SIDEBAR_PART));
 	}
-}
+}
\ No newline at end of file

src/vs/workbench/browser/layout.ts

@@ -1076,33 +1076,15 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 
 	toggleMaximizedPanel(): void {
 		if (this.workbenchGrid instanceof Grid) {
-			const curSize = this.workbenchGrid.getViewSize(this.panelPartView);
-			const size = { ...curSize };
-
+			const size = this.workbenchGrid.getViewSize(this.panelPartView);
 			if (!this.isPanelMaximized()) {
-				if (this.state.panel.position === Position.BOTTOM) {
-					size.height = this.panelPartView.maximumHeight;
-					this.state.panel.sizeBeforeMaximize = curSize.height;
-				} else {
-					size.width = this.panelPartView.maximumWidth;
-					this.state.panel.sizeBeforeMaximize = curSize.width;
-				}
-
+				this.state.panel.sizeBeforeMaximize = this.state.panel.position === Position.BOTTOM ? size.height : size.width;
 				this.storageService.store(Storage.PANEL_SIZE_BEFORE_MAXIMIZED, this.state.panel.sizeBeforeMaximize, StorageScope.GLOBAL);
+				this.setEditorHidden(true);
 			} else {
-				if (this.state.panel.position === Position.BOTTOM) {
-					size.height = this.state.panel.sizeBeforeMaximize;
-				} else {
-					size.width = this.state.panel.sizeBeforeMaximize;
-				}
-
-				// Unhide the editor if needed
-				if (this.state.editor.hidden) {
-					this.setEditorHidden(false);
-				}
+				this.setEditorHidden(false);
+				this.workbenchGrid.resizeView(this.panelPartView, { width: this.state.panel.position === Position.BOTTOM ? size.width : this.state.panel.sizeBeforeMaximize, height: this.state.panel.position === Position.BOTTOM ? this.state.panel.sizeBeforeMaximize : size.height });
 			}
-
-			this.workbenchGrid.resizeView(this.panelPartView, size);
 		} else {
 			this.workbenchGrid.layout({ toggleMaximizedPanel: true, source: Parts.PANEL_PART });
 		}
@@ -1114,16 +1096,7 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 		}
 
 		if (this.workbenchGrid instanceof Grid) {
-			try {
-				// The panel is maximum when the editor is minimum
-				if (this.state.panel.position === Position.BOTTOM) {
-					return this.workbenchGrid.getViewSize(this.editorPartView).height <= this.editorPartView.minimumHeight;
-				} else {
-					return this.workbenchGrid.getViewSize(this.editorPartView).width <= this.editorPartView.minimumWidth;
-				}
-			} catch (e) {
-				return false;
-			}
+			return this.state.editor.hidden;
 		} else {
 			return this.workbenchGrid.isPanelMaximized();
 		}
@@ -1258,7 +1231,8 @@ export abstract class Layout extends Disposable implements IWorkbenchLayoutServi
 					{
 						type: 'leaf',
 						data: { type: Parts.TITLEBAR_PART },
-						size: titleBarHeight
+						size: titleBarHeight,
+						visible: this.isVisible(Parts.TITLEBAR_PART)
 					},
 					{
 						type: 'branch',

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

@@ -118,7 +118,9 @@ export interface IEditorGroupView extends IDisposable, ISerializableView, IEdito
 
 	isEmpty(): boolean;
 	setActive(isActive: boolean): void;
-	setLabel(label: string): void;
+
+	notifyIndexChanged(newIndex: number): void;
+
 	relayout(): void;
 }
 

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

@@ -54,16 +54,16 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 
 	//#region factory
 
-	static createNew(accessor: IEditorGroupsAccessor, label: string, instantiationService: IInstantiationService): IEditorGroupView {
-		return instantiationService.createInstance(EditorGroupView, accessor, null, label);
+	static createNew(accessor: IEditorGroupsAccessor, index: number, instantiationService: IInstantiationService): IEditorGroupView {
+		return instantiationService.createInstance(EditorGroupView, accessor, null, index);
 	}
 
-	static createFromSerialized(serialized: ISerializedEditorGroup, accessor: IEditorGroupsAccessor, label: string, instantiationService: IInstantiationService): IEditorGroupView {
-		return instantiationService.createInstance(EditorGroupView, accessor, serialized, label);
+	static createFromSerialized(serialized: ISerializedEditorGroup, accessor: IEditorGroupsAccessor, index: number, instantiationService: IInstantiationService): IEditorGroupView {
+		return instantiationService.createInstance(EditorGroupView, accessor, serialized, index);
 	}
 
-	static createCopy(copyFrom: IEditorGroupView, accessor: IEditorGroupsAccessor, label: string, instantiationService: IInstantiationService): IEditorGroupView {
-		return instantiationService.createInstance(EditorGroupView, accessor, copyFrom, label);
+	static createCopy(copyFrom: IEditorGroupView, accessor: IEditorGroupsAccessor, index: number, instantiationService: IInstantiationService): IEditorGroupView {
+		return instantiationService.createInstance(EditorGroupView, accessor, copyFrom, index);
 	}
 
 	//#endregion
@@ -119,7 +119,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 	constructor(
 		private accessor: IEditorGroupsAccessor,
 		from: IEditorGroupView | ISerializedEditorGroup,
-		private _label: string,
+		private _index: number,
 		@IInstantiationService private readonly instantiationService: IInstantiationService,
 		@IContextKeyService private readonly contextKeyService: IContextKeyService,
 		@IThemeService themeService: IThemeService,
@@ -656,8 +656,12 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 		return this._group;
 	}
 
+	get index(): number {
+		return this._index;
+	}
+
 	get label(): string {
-		return this._label;
+		return localize('groupLabel', "Group {0}", this._index + 1);
 	}
 
 	get disposed(): boolean {
@@ -668,10 +672,10 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 		return this._whenRestored;
 	}
 
-	setLabel(label: string): void {
-		if (this._label !== label) {
-			this._label = label;
-			this._onDidGroupChange.fire({ kind: GroupChangeKind.GROUP_LABEL });
+	notifyIndexChanged(newIndex: number): void {
+		if (this._index !== newIndex) {
+			this._index = newIndex;
+			this._onDidGroupChange.fire({ kind: GroupChangeKind.GROUP_INDEX });
 		}
 	}
 

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

@@ -24,7 +24,6 @@ import { assign } from 'vs/base/common/objects';
 import { IStorageService, StorageScope } from 'vs/platform/storage/common/storage';
 import { ISerializedEditorGroup, isSerializedEditorGroup } from 'vs/workbench/common/editor/editorGroup';
 import { EditorDropTarget } from 'vs/workbench/browser/parts/editor/editorDropTarget';
-import { localize } from 'vs/nls';
 import { Color } from 'vs/base/common/color';
 import { CenteredViewLayout } from 'vs/base/browser/ui/centered/centeredViewLayout';
 import { onUnexpectedError } from 'vs/base/common/errors';
@@ -95,6 +94,9 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 	private readonly _onDidActiveGroupChange: Emitter<IEditorGroupView> = this._register(new Emitter<IEditorGroupView>());
 	readonly onDidActiveGroupChange: Event<IEditorGroupView> = this._onDidActiveGroupChange.event;
 
+	private readonly _onDidGroupIndexChange: Emitter<IEditorGroupView> = this._register(new Emitter<IEditorGroupView>());
+	readonly onDidGroupIndexChange: Event<IEditorGroupView> = this._onDidGroupIndexChange.event;
+
 	private readonly _onDidActivateGroup: Emitter<IEditorGroupView> = this._register(new Emitter<IEditorGroupView>());
 	readonly onDidActivateGroup: Event<IEditorGroupView> = this._onDidActivateGroup.event;
 
@@ -424,8 +426,8 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 			}
 		});
 
-		// Update labels
-		this.updateGroupLabels();
+		// Notify group index change given layout has changed
+		this.notifyGroupIndexChange();
 
 		// Restore focus as needed
 		if (restoreFocus) {
@@ -484,25 +486,22 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 		// Event
 		this._onDidAddGroup.fire(newGroupView);
 
-		// Update labels
-		this.updateGroupLabels();
+		// Notify group index change given a new group was added
+		this.notifyGroupIndexChange();
 
 		return newGroupView;
 	}
 
 	private doCreateGroupView(from?: IEditorGroupView | ISerializedEditorGroup | null): IEditorGroupView {
 
-		// Label: just use the number of existing groups as label
-		const label = this.getGroupLabel(this.count + 1);
-
 		// Create group view
 		let groupView: IEditorGroupView;
 		if (from instanceof EditorGroupView) {
-			groupView = EditorGroupView.createCopy(from, this, label, this.instantiationService);
+			groupView = EditorGroupView.createCopy(from, this, this.count, this.instantiationService);
 		} else if (isSerializedEditorGroup(from)) {
-			groupView = EditorGroupView.createFromSerialized(from, this, label, this.instantiationService);
+			groupView = EditorGroupView.createFromSerialized(from, this, this.count, this.instantiationService);
 		} else {
-			groupView = EditorGroupView.createNew(this, label, this.instantiationService);
+			groupView = EditorGroupView.createNew(this, this.count, this.instantiationService);
 		}
 
 		// Keep in map
@@ -516,8 +515,13 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 
 		// Track editor change
 		groupDisposables.add(groupView.onDidGroupChange(e => {
-			if (e.kind === GroupChangeKind.EDITOR_ACTIVE) {
-				this.updateContainer();
+			switch (e.kind) {
+				case GroupChangeKind.EDITOR_ACTIVE:
+					this.updateContainer();
+					break;
+				case GroupChangeKind.GROUP_INDEX:
+					this._onDidGroupIndexChange.fire(groupView);
+					break;
 			}
 		}));
 
@@ -643,8 +647,8 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 			this._activeGroup.focus();
 		}
 
-		// Update labels
-		this.updateGroupLabels();
+		// Notify group index change given a group was removed
+		this.notifyGroupIndexChange();
 
 		// Update container
 		this.updateContainer();
@@ -675,6 +679,9 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 		// Event
 		this._onDidMoveGroup.fire(sourceView);
 
+		// Notify group index change given a group was moved
+		this.notifyGroupIndexChange();
+
 		return sourceView;
 	}
 
@@ -784,6 +791,7 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 
 	centerLayout(active: boolean): void {
 		this.centeredLayoutWidget.activate(active);
+
 		this._activeGroup.focus();
 	}
 
@@ -909,19 +917,8 @@ export class EditorPart extends Part implements IEditorGroupsService, IEditorGro
 		toggleClass(this.container, 'empty', this.isEmpty());
 	}
 
-	private updateGroupLabels(): void {
-
-		// Since our labels are created using the index of the
-		// group, adding/removing a group might produce gaps.
-		// So we iterate over all groups and reassign the label
-		// based on the index.
-		this.getGroups(GroupsOrder.GRID_APPEARANCE).forEach((group, index) => {
-			group.setLabel(this.getGroupLabel(index + 1));
-		});
-	}
-
-	private getGroupLabel(index: number): string {
-		return localize('groupLabel', "Group {0}", index);
+	private notifyGroupIndexChange(): void {
+		this.getGroups(GroupsOrder.GRID_APPEARANCE).forEach((group, index) => group.notifyIndexChanged(index));
 	}
 
 	private isEmpty(): boolean {

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

@@ -237,7 +237,7 @@ import { isMacintosh, isWindows, isLinux, isWeb } from 'vs/base/common/platform'
 			'workbench.useExperimentalGridLayout': {
 				'type': 'boolean',
 				'description': nls.localize('workbench.useExperimentalGridLayout', "Enables the grid layout for the workbench. This setting may enable additional layout options for workbench components."),
-				'default': false,
+				'default': true,
 				'scope': ConfigurationScope.APPLICATION
 			}
 		}

src/vs/workbench/common/editor.ts

@@ -30,6 +30,8 @@ export const NoEditorsVisibleContext: ContextKeyExpr = EditorsVisibleContext.toN
 export const TextCompareEditorVisibleContext = new RawContextKey<boolean>('textCompareEditorVisible', false);
 export const TextCompareEditorActiveContext = new RawContextKey<boolean>('textCompareEditorActive', false);
 export const ActiveEditorGroupEmptyContext = new RawContextKey<boolean>('activeEditorGroupEmpty', false);
+export const ActiveEditorGroupIndexContext = new RawContextKey<number>('activeEditorGroupIndex', -1);
+export const ActiveEditorGroupLastContext = new RawContextKey<boolean>('activeEditorGroupLast', false);
 export const MultipleEditorGroupsContext = new RawContextKey<boolean>('multipleEditorGroups', false);
 export const SingleEditorGroupsContext = MultipleEditorGroupsContext.toNegated();
 export const InEditorZenModeContext = new RawContextKey<boolean>('inZenMode', false);

src/vs/workbench/contrib/files/browser/views/explorerViewer.ts

@@ -141,7 +141,7 @@ export class FilesRenderer implements ITreeRenderer<ExplorerItem, FuzzyScore, IF
 
 	renderTemplate(container: HTMLElement): IFileTemplateData {
 		const elementDisposable = Disposable.None;
-		const label = this.labels.create(container, { supportHighlights: true });
+		const label = this.labels.create(container, { supportHighlights: true, donotSupportOcticons: true });
 
 		return { elementDisposable, label, container };
 	}

src/vs/workbench/contrib/files/browser/views/openEditorsView.ts

@@ -129,7 +129,7 @@ export class OpenEditorsView extends ViewletPanel {
 
 				const index = this.getIndex(group, e.editor);
 				switch (e.kind) {
-					case GroupChangeKind.GROUP_LABEL: {
+					case GroupChangeKind.GROUP_INDEX: {
 						if (this.showGroups) {
 							this.list.splice(index, 1, [group]);
 						}

src/vs/workbench/contrib/preferences/browser/settingsWidgets.ts

@@ -16,7 +16,7 @@ import { Disposable, DisposableStore } from 'vs/base/common/lifecycle';
 import 'vs/css!./media/settingsWidgets';
 import { localize } from 'vs/nls';
 import { IContextViewService } from 'vs/platform/contextview/browser/contextView';
-import { foreground, inputBackground, inputBorder, inputForeground, listActiveSelectionBackground, listActiveSelectionForeground, listHoverBackground, listHoverForeground, listInactiveSelectionBackground, listInactiveSelectionForeground, registerColor, selectBackground, selectBorder, selectForeground, textLinkForeground, textPreformatForeground, editorWidgetBorder, textLinkActiveForeground } from 'vs/platform/theme/common/colorRegistry';
+import { foreground, inputBackground, inputBorder, inputForeground, listActiveSelectionBackground, listActiveSelectionForeground, listHoverBackground, listHoverForeground, listInactiveSelectionBackground, listInactiveSelectionForeground, registerColor, selectBackground, selectBorder, selectForeground, textLinkForeground, textPreformatForeground, editorWidgetBorder, textLinkActiveForeground, simpleCheckboxBackground, simpleCheckboxForeground, simpleCheckboxBorder } from 'vs/platform/theme/common/colorRegistry';
 import { attachButtonStyler, attachInputBoxStyler } from 'vs/platform/theme/common/styler';
 import { ICssStyleCollector, ITheme, IThemeService, registerThemingParticipant } from 'vs/platform/theme/common/themeService';
 import { disposableTimeout } from 'vs/base/common/async';
@@ -37,9 +37,9 @@ export const settingsSelectBorder = registerColor('settings.dropdownBorder', { d
 export const settingsSelectListBorder = registerColor('settings.dropdownListBorder', { dark: editorWidgetBorder, light: editorWidgetBorder, hc: editorWidgetBorder }, localize('settingsDropdownListBorder', "(For settings editor preview) Settings editor dropdown list border. This surrounds the options and separates the options from the description."));
 
 // Bool control colors
-export const settingsCheckboxBackground = registerColor('settings.checkboxBackground', { dark: selectBackground, light: selectBackground, hc: selectBackground }, localize('settingsCheckboxBackground', "(For settings editor preview) Settings editor checkbox background."));
-export const settingsCheckboxForeground = registerColor('settings.checkboxForeground', { dark: selectForeground, light: selectForeground, hc: selectForeground }, localize('settingsCheckboxForeground', "(For settings editor preview) Settings editor checkbox foreground."));
-export const settingsCheckboxBorder = registerColor('settings.checkboxBorder', { dark: selectBorder, light: selectBorder, hc: selectBorder }, localize('settingsCheckboxBorder', "(For settings editor preview) Settings editor checkbox border."));
+export const settingsCheckboxBackground = registerColor('settings.checkboxBackground', { dark: simpleCheckboxBackground, light: simpleCheckboxBackground, hc: simpleCheckboxBackground }, localize('settingsCheckboxBackground', "(For settings editor preview) Settings editor checkbox background."));
+export const settingsCheckboxForeground = registerColor('settings.checkboxForeground', { dark: simpleCheckboxForeground, light: simpleCheckboxForeground, hc: simpleCheckboxForeground }, localize('settingsCheckboxForeground', "(For settings editor preview) Settings editor checkbox foreground."));
+export const settingsCheckboxBorder = registerColor('settings.checkboxBorder', { dark: simpleCheckboxBorder, light: simpleCheckboxBorder, hc: simpleCheckboxBorder }, localize('settingsCheckboxBorder', "(For settings editor preview) Settings editor checkbox border."));
 
 // Text control colors
 export const settingsTextInputBackground = registerColor('settings.textInputBackground', { dark: inputBackground, light: inputBackground, hc: inputBackground }, localize('textInputBoxBackground', "(For settings editor preview) Settings editor text input box background."));

src/vs/workbench/contrib/terminal/browser/terminalInstance.ts

@@ -1130,6 +1130,12 @@ export class TerminalInstance extends Disposable implements ITerminalInstance {
 			}
 		}
 
+		// HACK: Force initialText to be non-falsy for reused terminals such that the
+		// conptyInheritCursor flag is passed to the node-pty, this flag can cause a Window to hang
+		// in Windows 10 1903 so we only want to use it when something is definitely written to the
+		// terminal.
+		shell.initialText = ' ';
+
 		// Set the new shell launch config
 		this._shellLaunchConfig = shell; // Must be done before calling _createProcess()
 

src/vs/workbench/contrib/terminal/node/terminalProcess.ts

@@ -66,7 +66,8 @@ export class TerminalProcess extends Disposable implements ITerminalChildProcess
 			cols,
 			rows,
 			experimentalUseConpty: useConpty,
-			conptyInheritCursor: true
+			// This option will force conpty to not redraw the whole viewport on launch
+			conptyInheritCursor: useConpty && !!shellLaunchConfig.initialText
 		};
 
 		const cwdVerification = stat(cwd).then(async stat => {

src/vs/workbench/services/editor/common/editorGroupsService.ts

@@ -176,6 +176,11 @@ export interface IEditorGroupsService {
 	 */
 	readonly onDidLayout: Event<IDimension>;
 
+	/**
+	 * An event for when the index of a group changes.
+	 */
+	readonly onDidGroupIndexChange: Event<IEditorGroup>;
+
 	/**
 	 * The size of the editor groups area.
 	 */
@@ -343,7 +348,7 @@ export const enum GroupChangeKind {
 
 	/* Group Changes */
 	GROUP_ACTIVE,
-	GROUP_LABEL,
+	GROUP_INDEX,
 
 	/* Editor Changes */
 	EDITOR_OPEN,
@@ -374,6 +379,14 @@ export interface IEditorGroup {
 	 */
 	readonly id: GroupIdentifier;
 
+	/**
+	 * A number that indicates the position of this group in the visual
+	 * order of groups from left to right and top to bottom. The lowest
+	 * index will likely be top-left while the largest index in most
+	 * cases should be bottom-right, but that depends on the grid.
+	 */
+	readonly index: number;
+
 	/**
 	 * A human readable label for the group. This label can change depending
 	 * on the layout of all editor groups. Clients should listen on the

src/vs/workbench/services/editor/test/browser/editorGroupsService.test.ts

@@ -254,30 +254,60 @@ suite('EditorGroupsService', () => {
 		part.dispose();
 	});
 
-	test('groups labels', function () {
+	test('groups index / labels', function () {
 		const part = createPart();
 
 		const rootGroup = part.groups[0];
 		const rightGroup = part.addGroup(rootGroup, GroupDirection.RIGHT);
 		const downGroup = part.addGroup(rightGroup, GroupDirection.DOWN);
 
-		let labelChangeCounter = 0;
+		let groupIndexChangedCounter = 0;
+		const groupIndexChangedListener = part.onDidGroupIndexChange(() => {
+			groupIndexChangedCounter++;
+		});
+
+		let indexChangeCounter = 0;
 		const labelChangeListener = downGroup.onDidGroupChange(e => {
-			if (e.kind === GroupChangeKind.GROUP_LABEL) {
-				labelChangeCounter++;
+			if (e.kind === GroupChangeKind.GROUP_INDEX) {
+				indexChangeCounter++;
 			}
 		});
 
+		assert.equal(rootGroup.index, 0);
+		assert.equal(rightGroup.index, 1);
+		assert.equal(downGroup.index, 2);
 		assert.equal(rootGroup.label, 'Group 1');
 		assert.equal(rightGroup.label, 'Group 2');
 		assert.equal(downGroup.label, 'Group 3');
 
 		part.removeGroup(rightGroup);
+		assert.equal(rootGroup.index, 0);
+		assert.equal(downGroup.index, 1);
 		assert.equal(rootGroup.label, 'Group 1');
 		assert.equal(downGroup.label, 'Group 2');
-		assert.equal(labelChangeCounter, 1);
+		assert.equal(indexChangeCounter, 1);
+		assert.equal(groupIndexChangedCounter, 1);
+
+		part.moveGroup(downGroup, rootGroup, GroupDirection.UP);
+		assert.equal(downGroup.index, 0);
+		assert.equal(rootGroup.index, 1);
+		assert.equal(downGroup.label, 'Group 1');
+		assert.equal(rootGroup.label, 'Group 2');
+		assert.equal(indexChangeCounter, 2);
+		assert.equal(groupIndexChangedCounter, 3);
+
+		const newFirstGroup = part.addGroup(downGroup, GroupDirection.UP);
+		assert.equal(newFirstGroup.index, 0);
+		assert.equal(downGroup.index, 1);
+		assert.equal(rootGroup.index, 2);
+		assert.equal(newFirstGroup.label, 'Group 1');
+		assert.equal(downGroup.label, 'Group 2');
+		assert.equal(rootGroup.label, 'Group 3');
+		assert.equal(indexChangeCounter, 3);
+		assert.equal(groupIndexChangedCounter, 6);
 
 		labelChangeListener.dispose();
+		groupIndexChangedListener.dispose();
 
 		part.dispose();
 	});

src/vs/workbench/test/workbenchTestServices.ts

@@ -665,6 +665,7 @@ export class TestEditorGroupsService implements IEditorGroupsService {
 	onDidAddGroup: Event<IEditorGroup> = Event.None;
 	onDidRemoveGroup: Event<IEditorGroup> = Event.None;
 	onDidMoveGroup: Event<IEditorGroup> = Event.None;
+	onDidGroupIndexChange: Event<IEditorGroup> = Event.None;
 	onDidLayout: Event<IDimension> = Event.None;
 
 	orientation: any;
@@ -761,6 +762,7 @@ export class TestEditorGroup implements IEditorGroupView {
 	disposed: boolean;
 	editors: ReadonlyArray<IEditorInput> = [];
 	label: string;
+	index: number;
 	whenRestored: Promise<void> = Promise.resolve(undefined);
 	element: HTMLElement;
 	minimumWidth: number;
@@ -839,7 +841,7 @@ export class TestEditorGroup implements IEditorGroupView {
 
 	isEmpty(): boolean { return true; }
 	setActive(_isActive: boolean): void { }
-	setLabel(_label: string): void { }
+	notifyIndexChanged(_index: number): void { }
 	dispose(): void { }
 	toJSON(): object { return Object.create(null); }
 	layout(_width: number, _height: number): void { }