Glossary
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## 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.

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Appendix C. ViewKit Class Graph |  | Index