X Windows Xlib Programs Archive

I have developed the following series of simple examples that teaches you how to use the X Windows Xlib functions.

xpoints : to draw dots in a window by clicking the left button.
xxpoints : same as above but for more than one display.
xlines : to draw line segments in a window by clicking the left button, then move and click again.
xxlines : same as above but for more than one display and input from one.
xylines: same as xxlines, but allows input from multiple users.
xlines_shift : to draw line segments in a window by clicking the left button, then move and click again while the shift key is pressed.
xrubber : to draw line segments as above but shows the line as a rubber band before the second click.
xrubber2: to draw line segments as above but shows the line as a rubber band before the second click using XOR operator.
xtext: shows how to write and delete text in a window.
xbuttons, xbuttons2: shows how to build push buttons and execute functions associated with the buttons.
xxchalk: to chow how to draw with a chalk in a white board.
xxpointer: to chow how to use a pointer in a white board.