Glossary

animated busy cursor

A cursor that is a sequence of pixmaps you can cycle through while in a busy state, giving the appearance of animation.

attachments

Management classes that control the operation of components and widgets.

base widget

The root of a widget subtree.

busy states

When you lock out user input during an operation.

butterfly node

The central node of a butterfly graph.

butterfly graphs

Tree graphs that display only a central node and its immediate parent and child nodes.

command classes

Classes that allow you to implement actions as objects.

components

A component encapsulates a collection of widgets, but also defines the behavior of the overall component.

fixed busy cursor

A cursor that retains the same appearance throughout a busy state.

homogenous group

A group that contains only one type of preference item.

main window

The first window created in every application is by default treated as the main window.

non-homogenous group

A group that contains more than one type of preference item.

peak value

The initial value in a meter object.

preference dialogs

A dialog box that allows the user to customize the behavior of an application.

view

A widget or ViewKit component that you use as your work area for the XmMainWindow widget.

ViewKit callbacks

A mechanism that allows a component to define conditions or events, the names of which are exported as public static string constants encapsulated by that component.