XLIB Programming Manual, Rel. 5, Third Edition

1.4 Overview of Xlib

Just what does the X library contain? Table 1-1 groups the Xlib routines according to their major function and lists the chapter in which the group is discussed.

Table 1-1. Xlib Routines by Function

Function Group	Description	Chapter
Color	Routines to change the way colors drawn by an application are interpreted on the screen.	Chapter 7
Cursors	Routines to change the shape and colors of the image that tracks the pointer around the screen.	Chapter 6
Data Management	Several mechanisms to associate data with windows or numbers.	Chapter 15
Display Connection	Routines to connect and disconnect an application with a display, possibly across the network.	Chapter 3
Display and Server Specifications	Macros and equivalent functions are provided that provide information about a particular server implementation and the connected display hardware.	Volume One, throughout; Volume Two, Appendix C
Drawing	Routines to draw dots, lines, rectangles, polygons, and arcs, and an analogous set to fill the last three.	Chapter 6
Errors	Routines to set the functions called when errors occur.	Chapter 2
Events	Routines to get input from the user, from other applications, and from the server. In X, these are collectively called events.	Chapter 8
Extensions	Routines to find out what extensions are available on a particular server and get information about how to use one.	Chapter 15
Fonts	Routines to list available fonts, load fonts, and find out their characteristics.	Chapter 6
Geometry	Routines to manipulate and translate ...