1.3. Shell Widgets   

Shell widgets are top-level widgets that provide the necessary interface with the window manager. The Xt Intrinsics provide the following shell classes:

Shell - This is the base class for shell widgets. It is a subclass of

Composite and provides resources for all other types of shells.

Override Shell -  used for shell windows that bypass the window manager.

WMShell -  contains resources necessary for common window manager protocol.

VendorShell -  contains resources used by vendor-specific window managers.

TransientShell -  shell windows that can be manipulated by the window manager

but cannot be iconified.

TopLevelShell -  used for normal top-level windows.

ApplicationShell -  used for an application's top-level window.

     


    
             Fig. 1.9 : A complex Motif application

XmDialogShell  -  used as the parents of modal and modeless Dialogs

associated with other top-level windows.

XmMenuShell -  used as the parents of MenuPanes.

VendorShell -  provides the common state information and services needed by

the window-manager visible shells.