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XChangePointerDevice(3X11)			    XChangePointerDevice(3X11)

NAME
       XChangePointerDevice - change which device is the X pointer

SYNOPSIS
       Status XChangePointerDevice(display, device xaxis, yaxis)
	       Display *display;
	       XDevice *device;
	       int xaxis;
	       int yaxis;

ARGUMENTS
       Specifies  the  connection to the X server.  Specifies the device to be
       used as the X pointer.  Specifies the axis of the device to be used  as
       the  X  pointer x-axis.	Specifies the axis of the device to be used as
       the X pointer y-axis.

DESCRIPTION
       The XChangePointerDevice request causes the server to use the specified
       device  as  the	X  pointer.   The  device must have been opened by the
       client via XOpenDevice or a BadDevice error will	 result.   The	device
       must  support input class Valuators or a BadMatch error will result. If
       the implementation does not support use of the specified device as  the
       X pointer, a BadDevice error will result.

       If the specified device is grabbed by another client, AlreadyGrabbed is
       returned.  If the specified device is  frozen  by  a  grab  on  another
       device,	GrabFrozen  is returned. If the request is successful, Success
       is returned.

       If the request succeeds, a ChangeDeviceNotify  event  is	 sent  to  all
       clients	that  have  selected  that  event.  A MappingNotify event with
       request = MappingPointer is sent to all clients. The  specified	device
       becomes the X pointer, and the old X pointer becomes accessible through
       the input extension protocol requests.

       XChangePointerDevice can generate a BadDevice or a BadMatch error.

DIAGNOSTICS
       An invalid device was specified.	 The specified device does not	exist,
       has  not been opened by this client via XOpenInputDevice, or is already
       one of the core X input devices (pointer or keyboard).  This error  may
       also  occur  if	the  server  implementation does not support using the
       specified device as the X pointer.  This error may occur if an XChange‐
       PointerDevice  request  was made specifying a device that has less than
       two valuators, or specifying a valuator index  beyond  the  range  sup‐
       ported by the device.

SEE ALSO
       XChangeKeyboardDevice(3X11)

       Programming With Xlib

						    XChangePointerDevice(3X11)

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