Refresh master with initial release/0.24 snapshot (#332)

* Initial port of release/0.24 source code

* Fix additional headers

* Fix a typo in launch.json

src/sql/base/browser/ui/button/button.ts

@@ -0,0 +1,36 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+'use strict';
+import { Button as vsButton, IButtonOptions, IButtonStyles as vsIButtonStyles } from 'vs/base/browser/ui/button/button';
+import * as DOM from 'vs/base/browser/dom';
+import { Color } from 'vs/base/common/color';
+
+export interface IButtonStyles extends vsIButtonStyles {
+	buttonFocusOutline?: Color;
+}
+
+export class Button extends vsButton {
+	private buttonFocusOutline: Color;
+
+	constructor(container: any, options?: IButtonOptions) {
+		super(container, options);
+		this.buttonFocusOutline = null;
+
+		this.$el.on(DOM.EventType.FOCUS, (e) => {
+			this.$el.style('outline-color', this.buttonFocusOutline ? this.buttonFocusOutline.toString() : null);
+			this.$el.style('outline-width', '1px');
+		});
+	}
+
+	public style(styles: IButtonStyles): void {
+		super.style(styles);
+		this.buttonFocusOutline = styles.buttonFocusOutline;
+	}
+
+	public set title(value: string) {
+		this.$el.title(value);
+	}
+}