HAVEN(1G)							     HAVEN(1G)

NAME    [Toc]    [Back]

     haven - use a GL program as the screen saver

SYNOPSIS    [Toc]    [Back]

     haven [-n|-o] program [ args ... ]
     haven -k

DESCRIPTION    [Toc]    [Back]

     haven is an X screensaver client that manages a GL	window as the
     screensaver.  The pathname	of the GL program to use and its argument list
     are specified as arguments	to haven.

     haven has two algorithms that it can use to try to	find the GL window.
     The -n option chooses a newer more	robust algorithm.  However, if it
     fails, the	-o option is compatible	with older versions of haven.  The
     default is	-n.

     When invoked with the -k option, haven attempts to	kill any other
     screensaver that may be running and thus restore the Xserver default
     saver.

CAVEATS    [Toc]    [Back]

     haven does	not work well with color index programs.  If the -o option is
     used, haven requires that the title of the	GL program (as given in
     winopen(3G)) bear close resemblance to the	name of	the command being
     invoked.  If the -n option	is used, the first window opened by the	GL
     program must be the screen	saver window.  (This is	normally the case in
     GL	programs.)

     Haven will	only work if X screen saving is	enabled, and blanking is
     allowed.  To enable it, use the X command xset(1),	e.g. xset s on s
     blank.

SEE ALSO    [Toc]    [Back]

     xset(1X), ssaver(1X)


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