home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The World of Computer Software
/
World_Of_Computer_Software-02-385-Vol-1of3.iso
/
x
/
xibm.zip
/
common
/
ibmMouse.h
< prev
next >
Wrap
C/C++ Source or Header
|
1991-09-20
|
2KB
|
48 lines
/*
* $Id: ibmMouse.h,v 1.1 1991/09/20 18:24:03 mtranle Exp $
*
* Copyright IBM Corporation 1987,1988,1989
*
* All Rights Reserved
*
* Permission 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 AND FITNESS, 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 IBM_MOUSE
#define IBM_MOUSE 1
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 /* IBM_MOUSE */