107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
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/* $Xorg: XGetBMap.c,v 1.4 2001/02/09 02:03:50 xorgcvs Exp $ */
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/************************************************************
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Copyright 1989, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Hewlett-Packard not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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********************************************************/
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/* $XFree86: xc/lib/Xi/XGetBMap.c,v 3.3 2001/12/14 19:55:13 dawes Exp $ */
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/***********************************************************************
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*
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* XGetDeviceButtonMapping - Get the button mapping of an extension device.
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*
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*/
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#include <X11/extensions/XI.h>
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#include <X11/extensions/XIproto.h>
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#include <X11/Xlibint.h>
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#include <X11/extensions/XInput.h>
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#include <X11/extensions/extutil.h>
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#include "XIint.h"
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#ifdef MIN /* some systems define this in <sys/param.h> */
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#undef MIN
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#endif
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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int
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XGetDeviceButtonMapping(dpy, device, map, nmap)
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register Display *dpy;
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XDevice *device;
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unsigned char map[];
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unsigned int nmap;
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{
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int status = 0;
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unsigned char mapping[256]; /* known fixed size */
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long nbytes;
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XExtDisplayInfo *info = XInput_find_display(dpy);
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register xGetDeviceButtonMappingReq *req;
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xGetDeviceButtonMappingReply rep;
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LockDisplay(dpy);
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if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
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return (NoSuchExtension);
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GetReq(GetDeviceButtonMapping, req);
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req->reqType = info->codes->major_opcode;
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req->ReqType = X_GetDeviceButtonMapping;
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req->deviceid = device->device_id;
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status = _XReply(dpy, (xReply *) & rep, 0, xFalse);
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if (status == 1) {
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nbytes = (long)rep.length << 2;
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_XRead(dpy, (char *)mapping, nbytes);
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/* don't return more data than the user asked for. */
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if (rep.nElts)
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memcpy((char *)map, (char *)mapping, MIN((int)rep.nElts, nmap));
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status = rep.nElts;
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} else
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status = 0;
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UnlockDisplay(dpy);
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SyncHandle();
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return (status);
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}
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