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- /* $XConsortium: XGetBMap.c,v 1.4 89/12/06 20:38:18 rws Exp $ */
-
- /************************************************************
- Copyright (c) 1989 by Hewlett-Packard Company, Palo Alto, California, and the
- Massachusetts Institute of Technology, Cambridge, Massachusetts.
-
- 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 names of Hewlett-Packard or MIT not be
- used in advertising or publicity pertaining to distribution of the
- software without specific, written prior permission.
-
- HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
- ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
- HEWLETT-PACKARD 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.
-
- ********************************************************/
-
- /***********************************************************************
- *
- * XGetDeviceButtonMapping - Get the button mapping of an extension device.
- *
- */
-
- #include "XI.h"
- #include "XIproto.h"
- #include "Xlibint.h"
- #include "XInput.h"
- #include "extutil.h"
- #ifdef MIN /* some systems define this in <sys/param.h> */
- #undef MIN
- #endif
- #define MIN(a, b) ((a) < (b) ? (a) : (b))
-
- int
- XGetDeviceButtonMapping (dpy, device, map, nmap)
- register Display *dpy;
- XDevice *device;
- unsigned char map[];
- unsigned int nmap;
- {
- int status = 0;
- unsigned char mapping[256]; /* known fixed size */
- long nbytes;
- XExtDisplayInfo *info = (XExtDisplayInfo *) XInput_find_display (dpy);
-
- register xGetDeviceButtonMappingReq *req;
- xGetDeviceButtonMappingReply rep;
-
- LockDisplay(dpy);
- if (CheckExtInit(dpy, XInput_Initial_Release) == -1)
- return (NoSuchExtension);
- GetReq(GetDeviceButtonMapping, req);
-
- req->reqType = info->codes->major_opcode;
- req->ReqType = X_GetDeviceButtonMapping;
- req->deviceid = device->device_id;
-
- status = _XReply (dpy, (xReply *)&rep, 0, xFalse);
- if (status == 1)
- {
- nbytes = (long)rep.length << 2;
- _XRead (dpy, (char *)mapping, nbytes);
-
- /* don't return more data than the user asked for. */
- if (rep.nElts)
- bcopy ((char *) mapping, (char *) map, MIN ((int)rep.nElts, nmap) );
- status = rep.nElts;
- }
- else
- status = 0;
- UnlockDisplay(dpy);
- SyncHandle();
- return (status);
- }
-