Toolbars are used to show a collection of menus or buttons that provide tools   for the application; they are usually aligned and attached to the edge of the   main application area.     Example     Here is a little example of how to use the widget.     <pre class='javascript'>   var toolbar = new qx.ui.toolbar.ToolBar();   var newButton = new qx.ui.toolbar.Button("New");   toolbar.add(newButton);   <pre>     This example demonstrates how to create a toolbar and a toolbar buttons.   The button will be added to the toolbar in the last line.     External Documentation     <a href='http:manual.qooxdoo.org${qxversion}pageswidgettoolbar.html' target='_blank'>   Documentation of this widget in the qooxdoo manual.<a>