This class defines standard flags to use in bit-fields.
A renderable is an object that is intended to be rendered on the screen.
A composite is a widget that can contain other
A desktop is the top-level object that can be displayed on a
A desktop is built for a specific
A desktop may be shown or hidden, but at most one desktop is shown per
Dispatches the event received on a desktop to its children.
A dialog is a specific panel that once shown is the only one that receives all input events until it is hidden.
Widget is the superclass of all the user interface objects.