home *** CD-ROM | disk | FTP | other *** search
- /* $XConsortium: XGetMMap.c,v 1.5 90/05/18 11:23:26 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.
-
- ********************************************************/
-
- /***********************************************************************
- *
- * XGetDeviceModifierMapping - get the modifier map of an extension device.
- *
- */
-
- #include "XI.h"
- #include "XIproto.h"
- #include "Xlibint.h"
- #include "XInput.h"
- #include "extutil.h"
-
- XModifierKeymap
- *XGetDeviceModifierMapping (dpy, dev)
- register Display *dpy;
- XDevice *dev;
- {
- unsigned long nbytes;
- XModifierKeymap *res;
- xGetDeviceModifierMappingReq *req;
- xGetDeviceModifierMappingReply rep;
- XExtDisplayInfo *info = (XExtDisplayInfo *) XInput_find_display (dpy);
-
- LockDisplay (dpy);
- if (CheckExtInit(dpy, XInput_Initial_Release) == -1)
- return ((XModifierKeymap *) NoSuchExtension);
-
- GetReq(GetDeviceModifierMapping,req);
- req->reqType = info->codes->major_opcode;
- req->ReqType = X_GetDeviceModifierMapping;
- req->deviceid = dev->device_id;
-
- if (! _XReply (dpy, (xReply *) &rep, 0, xFalse))
- {
- UnlockDisplay(dpy);
- SyncHandle();
- return (XModifierKeymap *) NULL;
- }
- nbytes = (unsigned long)rep.length << 2;
- res = (XModifierKeymap *) Xmalloc(sizeof (XModifierKeymap));
- if (res)
- {
- res->modifiermap = (KeyCode *) Xmalloc (nbytes);
- if (res->modifiermap)
- _XReadPad(dpy, (char *) res->modifiermap, nbytes);
- else
- _XEatData (dpy, (unsigned long) nbytes);
- res->max_keypermod = rep.numKeyPerModifier;
- }
-
- UnlockDisplay(dpy);
- SyncHandle();
- return (res);
- }
-