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-.TH XScreenSaver 1 "31-May-97" "X Version 11"
-.SH NAME
-xscreensaver-command - control a running xscreensaver process
-.SH SYNOPSIS
-.B xscreensaver-command
-[\-help] [\-demo] [\-activate] [\-deactivate] [\-lock] [\-cycle] [\-next] [\-prev] [\-exit] [\-restart] [\-version] [\-time]
-.SH DESCRIPTION
-The \fIxscreensaver\-command\fP program controls a running \fIxscreensaver\fP
-process by sending it client-messages.
-.SH OPTIONS
-.I xscreensaver-command
-accepts the following options:
-.TP 8
-.B \-help
-Prints a brief summary of command-line options.
-.TP 8
-.B \-demo
-Cause the screensaver to enter its interactive demo mode, in which one
-can experiment with the various graphics hacks available. See
-.BR xscreensaver (1)
-for details.
-.TP 8
-.B \-activate
-Tell the screensaver to turn on immediately (that is, pretend that the
-user been idle for long enough.) It will turn off as soon as there is
-any user activity, as usual.
-
-It is useful to run this from a menu; you may wish to run it as
-.EX
-sleep 5 ; xscreensaver-command -activate
-.EE
-to be sure that you have time to remove your hand from the mouse before
-the screensaver comes on.
-.TP 8
-.B \-deactivate
-Tell the screensaver to turn off, as if there had been user activity.
-If locking is enabled, then the screensaver will prompt for a password
-as usual.
-.TP 8
-.B \-lock
-Like \fI\-activate\fP, but a password will be required before the screensaver
-turns off, even if the screensaver's \fIlock\fP resource is false. The
-display will be locked immediately even if the screensaver's \fIlockTimeout\fP
-resource is non-zero.
-.TP 8
-.B \-cycle
-Tell the screensaver to change which graphics hack it is running, just
-as if the ``cycle'' timer had expired. A new hack will be chosen randomly.
-.TP 8
-.B \-next
-This is like either \fI\-activate\fP or \fI\-cycle\fP, depending on which is
-more appropriate, except that the screenhack that will be run is the next
-one in the list of programs, instead of a randomly-chosen one. Repeatedly
-executing this will cycle through each hack in turn (though using
-the \fI\-demo\fP option is probably an easier way to accomplish that.)
-.TP 8
-.B \-prev
-This is like \fI\-next\fP, but cycles in the other direction.
-.TP 8
-.B \-exit
-Causes the screensaver process to exit gracefully. This is a safer and
-easier way to kill the screensaver than by using \fIkill\fP.
-
-.B Warning:
-never use \fIkill -9\fP with \fIxscreensaver\fP while the screensaver is
-active. If you are using a virtual root window manager, that can leave
-things in an inconsistent state, and you may need to restart your window
-manager to repair the damage.
-.TP 8
-.B \-restart
-Causes the screensaver process to exit and then restart with the same command
-line arguments. This is a good way of causing the screensaver to re-read the
-resource database.
-
-If the screensaver is run from \fIxdm(1)\fP (that is, it is already running
-before you log in) then you may want to issue the ``restart'' command from
-one of your startup scripts, so that the screensaver gets your resource
-settings instead of the default ones.
-.TP 8
-.B \-version
-Print (on stdout) the version number of the xscreensaver program that is
-running on $DISPLAY. (To see the version number of \fIxscreensaver-command\fP
-itself, use the \fI\-help\fP option.)
-.TP 8
-.B \-time
-This option prints on stdout the time at which the screensaver last activated
-(blanked the screen) or deactivated (restored the screen.) Note that the
-activation-time is not the last time at which the user was active, but is
-some time later (it is the time at which either: xscreensaver decided that
-the user has been idle long enough; or, the user explicitly activated the
-screensaver or locker.)
-.SH ENVIRONMENT
-.PP
-.TP 8
-.B DISPLAY
-to get the host and display number of the screen whose saver is
-to be manipulated.
-.TP 8
-.B PATH
-to find the executable to restart (for the \fI\-restart\fP command).
-Note that this variable is consulted in the environment of
-the \fIxscreensaver\fP process, not the \fIxscreensaver-command\fP process.
-.SH "SEE ALSO"
-.BR X (1),
-.BR xscreensaver (1)
-.SH BUGS
-Some diagnostics are reported on the stderr of the \fIxscreensaver\fP
-process, not this process, so the caller of \fIxscreensaver-command\fP
-may not see the error messages.
-.SH COPYRIGHT
-Copyright \(co 1992, 1993, 1997 by Jamie Zawinski.
-Permission to use, copy, modify, distribute, and sell this software and its
-documentation for any purpose is hereby granted without fee, provided that
-the above copyright notice appear in all copies and that both that copyright
-notice and this permission notice appear in supporting documentation. No
-representations are made about the suitability of this software for any
-purpose. It is provided "as is" without express or implied warranty.
-.SH AUTHOR
-Jamie Zawinski <jwz@netscape.com>, 13-aug-92.
projects / xscreensaver / blobdiff