.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
.\"
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
.\" Digital Equipment Corporation
.\"
.\" Portions Copyright \(co 1990, 1991 by
.\" Tektronix, Inc.
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.\" Permission to use, copy, modify and distribute this documentation for
.\" any purpose and without fee is hereby granted, provided that the above
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.\" It is provided "as is" without express or implied warranty.
.\"
.\"
.ds xT X Toolkit Intrinsics \- C Language Interface
.ds xW Athena X Widgets \- C Language X Toolkit Interface
.ds xL Xlib \- C Language X Interface
.ds xC Inter-Client Communication Conventions Manual
.TH XSetScreenSaver __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
.SH NAME
XSetScreenSaver, XForceScreenSaver, XActivateScreenSaver, XResetScreenSaver, XGetScreenSaver \- manipulate the screen saver
.SH SYNTAX
.HP
int XSetScreenSaver\^(\^Display *\fIdisplay\fP\^, int \fItimeout\fP\^,
int \fIinterval\fP\^, int \fIprefer_blanking\fP\^, int
\fIallow_exposures\fP\^);
.HP
int XForceScreenSaver\^(\^Display *\fIdisplay\fP\^, int \fImode\fP\^);
.HP
int XActivateScreenSaver\^(\^Display *\fIdisplay\fP\^);
.HP
int XResetScreenSaver\^(\^Display *\fIdisplay\fP\^);
.HP
int XGetScreenSaver\^(\^Display *\fIdisplay\fP\^, int *\fItimeout_return\fP\^,
int *\fIinterval_return\fP\^, int *\fIprefer_blanking_return\fP\^, int
*\fIallow_exposures_return\fP\^);
.SH ARGUMENTS
.IP \fIallow_exposures\fP 1i
Specifies the screen save control values.
You can pass
.BR DontAllowExposures ,
.BR AllowExposures ,
or
.BR DefaultExposures .
.IP \fIallow_exposures_return\fP 1i
Returns the current screen save control value
.RB ( DontAllowExposures ,
.BR AllowExposures ,
or
.BR DefaultExposures ).
.IP \fIdisplay\fP 1i
Specifies the connection to the X server.
.IP \fIinterval\fP 1i
Specifies the interval, in seconds, between screen saver alterations.
.IP \fIinterval_return\fP 1i
Returns the interval between screen saver invocations.
.IP \fImode\fP 1i
Specifies the mode that is to be applied.
You can pass
.B ScreenSaverActive
or
.BR ScreenSaverReset .
.IP \fIprefer_blanking\fP 1i
Specifies how to enable screen blanking.
You can pass
.BR DontPreferBlanking ,
.BR PreferBlanking ,
or
.BR DefaultBlanking .
.IP \fIprefer_blanking_return\fP 1i
Returns the current screen blanking preference
.RB ( DontPreferBlanking ,
.BR PreferBlanking ,
or
.BR DefaultBlanking ).
.IP \fItimeout\fP 1i
Specifies the timeout, in seconds, until the screen saver turns on.
.IP \fItimeout_return\fP 1i
Returns the timeout, in seconds, until the screen saver turns on.
.SH DESCRIPTION
Timeout and interval are specified in seconds.
A timeout of 0 disables the screen saver
(but an activated screen saver is not deactivated),
and a timeout of \-1 restores the default.
Other negative values generate a
.B BadValue
error.
If the timeout value is nonzero,
.B XSetScreenSaver