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XCHANGEPOINTERDEVICE(3)		     libXi	       XCHANGEPOINTERDEVICE(3)

NAME
       XChangePointerDevice - change which device is the X pointer

SYNTAX
       #include <X11/extensions/XInput.h>

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

ARGUMENTS
       display
	  Specifies the connection to the X server.

       device
	  Specifies the device to be used as the X pointer.

       xaxis
	  Specifies the axis of the device to be used as the X pointer x-axis.

       yaxis
	  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
       BadDevice
	  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.

       BadMatch
	  This error may occur if an XChangePointerDevice request was made
	  specifying a device that has less than two valuators, or specifying
	  a valuator index beyond the range supported by the device.

SEE ALSO
       XChangeKeyboardDevice

				  03/04/2009	       XCHANGEPOINTERDEVICE(3)

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