Xi/chgkmap.c

   1 /************************************************************
   2
   3 Copyright 1989, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the Software.
  13
  14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25 Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.
  26
  27                         All Rights Reserved
  28
  29 Permission to use, copy, modify, and distribute this software and its
  30 documentation for any purpose and without fee is hereby granted,
  31 provided that the above copyright notice appear in all copies and that
  32 both that copyright notice and this permission notice appear in
  33 supporting documentation, and that the name of Hewlett-Packard not be
  34 used in advertising or publicity pertaining to distribution of the
  35 software without specific, written prior permission.
  36
  37 HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
  38 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
  39 HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
  40 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
  41 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
  42 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
  43 SOFTWARE.
  44
  45 ********************************************************/
  46
  47 /********************************************************************
  48  *
  49  *  Change key mapping for an extension device.
  50  *
  51  */
  52
  53 #ifdef HAVE_DIX_CONFIG_H
  54 #include <dix-config.h>
  55 #endif
  56
  57 #include "inputstr.h"           /* DeviceIntPtr      */
  58 #include <X11/extensions/XI.h>
  59 #include <X11/extensions/XIproto.h>
  60 #include "exevents.h"
  61 #include "exglobals.h"
  62
  63 #include "chgkmap.h"
  64
  65 /***********************************************************************
  66  *
  67  * This procedure swaps the request when the client and
  68  * server have different byte orderings.
  69  *
  70  */
  71
  72 int
  73 SProcXChangeDeviceKeyMapping(ClientPtr client)
  74 {
  75     unsigned int count;
  76
  77     REQUEST(xChangeDeviceKeyMappingReq);
  78     swaps(&stuff->length);
  79     REQUEST_AT_LEAST_SIZE(xChangeDeviceKeyMappingReq);
  80     count = stuff->keyCodes * stuff->keySymsPerKeyCode;
  81     REQUEST_FIXED_SIZE(xChangeDeviceKeyMappingReq, count * sizeof(CARD32));
  82     SwapLongs((CARD32 *) (&stuff[1]), count);
  83     return (ProcXChangeDeviceKeyMapping(client));
  84 }
  85
  86 /***********************************************************************
  87  *
  88  * Change the device key mapping.
  89  *
  90  */
  91
  92 int
  93 ProcXChangeDeviceKeyMapping(ClientPtr client)
  94 {
  95     int ret;
  96     unsigned len;
  97     DeviceIntPtr dev;
  98     unsigned int count;
  99
 100     REQUEST(xChangeDeviceKeyMappingReq);
 101     REQUEST_AT_LEAST_SIZE(xChangeDeviceKeyMappingReq);
 102
 103     count = stuff->keyCodes * stuff->keySymsPerKeyCode;
 104     REQUEST_FIXED_SIZE(xChangeDeviceKeyMappingReq, count * sizeof(CARD32));
 105
 106     ret = dixLookupDevice(&dev, stuff->deviceid, client, DixManageAccess);
 107     if (ret != Success)
 108         return ret;
 109     len = stuff->length - bytes_to_int32(sizeof(xChangeDeviceKeyMappingReq));
 110
 111     ret = ChangeKeyMapping(client, dev, len, DeviceMappingNotify,
 112                            stuff->firstKeyCode, stuff->keyCodes,
 113                            stuff->keySymsPerKeyCode, (KeySym *) &stuff[1]);
 114
 115     return ret;
 116 }