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

[detail level 12]

CSoQt	Takes care of Qt initialization and event dispatching
CSoQtComponent	Base class for all GUI components
CSoQtConstrainedViewer	Superclass for viewers with constrains on the viewpoint
▼CSoQtCursor	Used to set cursors for GUI components
CCustomCursor	The SoQtCursor::CustomCursor class is used to specify bitmap data for SoQtCursor custom cursors
CSoQtDevice	Base class for the translation devices
CSoQtExaminerViewer	3D-model examination viewer
CSoQtFlyViewer	Implements controls for moving the camera in a "flying" motion
CSoQtFullViewer	Adds some user interface components to the viewer canvas
CSoQtGLWidget	Manages OpenGL contexts
CSoQtKeyboard	Keyboard input device abstraction
CSoQtMouse	Mouse input device abstraction
CSoQtObject	Common superclass for all SoQt component classes
CSoQtPlaneViewer	For examining 3D models by moving the camera in orthogonal planes
CSoQtRenderArea	Adds scene graph handling and event management
CSoQtViewer	Top level base viewer class