The Composite is a generic container widget. It exposes all methods to set layouts and to manage child widgets as public methods. Composites must be configured with a layout manager to define the way the widget’s children are positioned.

• Public methods to manage child widgets (add, remove, …)
• Public setLayout method to define the Composite's layout manager

Composites are used to manually compose widgets. They are always used in combination with a layout manager. The general bahavior of this widget is constrolled by this layout manager.

Any of the layout demos use Composites:

Here are some links that demonstrate the usage of the widget:

• The first layout demo. Any other layout demo uses Composites as well.

Here is a link to the API of the Widget:
qx.ui.container.Composite