Athena Widget Set - C Language Interface - X Consortium ... - X.Org

Athena Widgetsand The Intrinsicswidget programmer design new widgets by using the Intrinsics and by combiningother widgets. The application interface layers built on top of the X Toolkit includea coordinated set of widgets and composition policies. Some of these widgets andpolicies are specific to a single application domain, and others are common to avariety of applications.The remainder of this chapter discusses the X Toolkit and Athena widget set:• Terminology• Model• Conventions used in this manual• Format of the Widget Reference ChaptersTerminologyIn addition to the terms already defined for X programming (see Xlib - C LanguageInterface), the following terms are specific to the Intrinsics and Athena widget setand used throughout this document.Application programmer• A programmer who uses the X Toolkit to produce an application user interface.Child• A widget that is contained within another "parent" widget.Class• The general group to which a specific object belongs.Client• A function that uses a widget in an application or for composing other widgets.FullName• The name of a widget instance appended to the full name of its parent.Instance• A specific widget object as opposed to a general widget class.Method• A function or procedure implemented by a widget class.Name• The name that is specific to an instance of a widget for a given client. This nameis specified at creation time and cannot be modified.Object2