For learning about Xt, you should look at Adrian Nye and Tim O'Reilly's X Toolkit Intrinsics Programming Manual, Motif Edition, and David Flanagan's X Toolkit Intrinsics Reference Manual, both from O'Reilly.

Other books about Motif include the following:

• Motif Programming: The Essentials…and More, by Marshall Brain, Digital Press
• The X Toolkit Cookbook, by Paul E. Kimball, Prentice-Hall, 1995
• Building OSF/Motif Applications: A Practical Introduction, by Mark Sebern, Prentice-Hall, 1994

Summary

In this chapter, you've learned about Motif, a commercial software library add-on for Linux that is available from a number of vendors, including Red Hat Software. Although you'll have to decide which version of Motif is best for you, hopefully you'll agree about some of the benefits of using Motif to write programs for the X Window System. By following the example program in Listing 26.1, you've learned a little about how Motif programs work and how to incorporate some of Motif's features into your programs. By using two programming tools included in your Red Hat Linux distribution, imake and xmkmf, you've also seen how to save time and effort when writing your own programs for Motif or X11. Finally, in this chapter, I've given you some tips on a Motif alternative, LessTif. I hope you'll explore more topics concerning graphical interface programming for X.