.\"
.\" $XFree86: xc/doc/man/Xi/XChgKbd.man,v 1.3 2003/04/28 22:18:14 herrb Exp $
.\"
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.\" $Xorg: XChgKbd.man,v 1.3 2000/08/17 19:41:56 cpqbld Exp $
.ds xL Programming With Xlib
.TH XChangeKeyboardDevice 3X11 __xorgversion__ "X FUNCTIONS"
.SH NAME
XChangeKeyboardDevice \- change which device is used as the X keyboard
.SH SYNTAX
.HP
Status XChangeKeyboardDevice\^(\^Display *\fIdisplay\fP\^, XDevice
*\fIdevice\fP\^); 
.br
.SH ARGUMENTS
.TP 12
.I display
Specifies the connection to the X server.
.TP 12
.I device
Specifies the device to be used as the X keyboard.
.SH DESCRIPTION
The \fIXChangeKeyboardDevice\fP request causes the server to use the specified
device as the X keyboard.  The device must have been previously opened by the
requesting client via \fIXOpenDevice\fP or a \fIBadDevice\fP error will result.
The device must support input class \fIKeys\fP, or a \fIBadMatch\fP error
will result.  If the server implementation does not support using the requested
device as the X keyboard, a \fIBadDevice\fP error will result.
.LP
If the specified device is grabbed by another client, \fIAlreadyGrabbed\fP
is returned.  If the specified device is frozen by a grab on another device,
\fIGrabFrozen\fP is returned.
If the request is successful, \fISuccess\fP is returned.
.LP
If the request succeeds,
a \fIChangeDeviceNotify\fP event is sent to all clients that have selected that
event.  A \fIMappingNotify\fP event with request = \fIMappingKeyboard\fP
is sent to all clients.
The specified device becomes the X keyboard and 
the old X keyboard becomes accessible through the input extension
protocol requests.
.LP
\fIXChangeKeyboardDevice\fP can generate a \fIBadDevice\fP or a \fIBadMatch\fP
error.
.SH DIAGNOSTICS
.TP 12
\fIBadDevice\fP
An invalid device was specified.  The specified device does not exist, has 
not been opened by this client via \fIXOpenInputDevice\fP,  or is already
one of the core X device (pointer or keyboard).  This error may
also occur if 
the server implementation does not support using the specified device as
the X keyboard.
.TP 12
\fIBadMatch\fP
This error may occur if an \fIXChangeKeyboardDevice\fP request was made 
specifying a device that has no keys.
.SH "SEE ALSO"
XChangePointerDevice
.br
\fI\*(xL\fP