Here are the classes, structs, unions and interfaces with brief descriptions:

[detail level 12]

Layout	Layout aligns a bunch of Components in a row
LayoutItem	LayoutItems are used to store links to components to layout
Listener	The LayoutItem::Listener will be called, whenever the bounds of a LayoutItem are changed
LayoutSplitter	A splitter is a handle to drag boundaries inside the layout
Component	Splitter component for mouse interaction