| Class and Description |
|---|
| Composite
A composite is a widget that can contain other
Widget instances, following the composite pattern. |
| Desktop
A desktop is the top-level object that can be displayed on a
Display.A desktop is built for a specific Display, and that relationship cannot be modified.A desktop may be shown or hidden, but at most one desktop is shown per Display. |
| Panel
A panel is a
Renderable object that can be added on a Desktop. |
| Renderable
A renderable is an object that is intended to be rendered on the screen.
|
| Widget
Widget is the superclass of all the user interface objects.
|