/*
 * $XConsortium: ibmMouse.h,v 1.2 91/07/16 13:09:05 jap Exp $
 *
 * Copyright IBM Corporation 1987,1988,1989,1990,1991
 *
 * All Rights Reserved
 *
 * License to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and that
 * both that copyright notice and this permission notice appear in
 * supporting documentation, and that the name of IBM not be
 * used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.
 *
 * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS, AND 
 * NONINFRINGEMENT OF THIRD PARTY RIGHTS, IN NO EVENT SHALL
 * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE.
 *
*/

#ifndef IBMMOUSE_H
#define IBMMOUSE_H

extern	DevicePtr	 ibmPtr;
extern	int		 ibmDoPointerAccel;
extern	int		 ibmPointerThreshold;
extern	int		 ibmPointerAccelNumerator;
extern	int		 ibmPointerAccelDenominator;
extern	char		*mouse_device;
extern	void		 ibmChangePointerControl();

/*	defined in OS specific layer  */
extern	int		 osMouseProc();

#define	ibmAccelerate(x,y)	\
	{ \
	if (ibmDoPointerAccel&&(ABS((x)+(y))>ibmPointerThreshold)) {\
	    (x)= ((x)*ibmPointerAccelNumerator)/ibmPointerAccelDenominator;\
	    (y)= ((y)*ibmPointerAccelNumerator)/ibmPointerAccelDenominator;\
	}\
	}

#endif /* IBMMOUSE_H */