xorg-server-1.4/Xi/getkmap.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  *  Get the key mapping for an extension device.
  50  *
  51  */
  52
  53 #define  NEED_EVENTS    /* for inputstr.h    */
  54 #define  NEED_REPLIES
  55 #ifdef HAVE_DIX_CONFIG_H
  56 #include <dix-config.h>
  57 #endif
  58
  59 #include <X11/X.h>      /* for inputstr.h    */
  60 #include <X11/Xproto.h> /* Request macro     */
  61 #include "inputstr.h"   /* DeviceIntPtr      */
  62 #include <X11/extensions/XI.h>
  63 #include <X11/extensions/XIproto.h>
  64 #include "extnsionst.h"
  65 #include "extinit.h"    /* LookupDeviceIntRec */
  66 #include "exglobals.h"
  67 #include "swaprep.h"
  68
  69 #include "getkmap.h"
  70
  71 /***********************************************************************
  72  *
  73  * This procedure gets the key mapping for an extension device,
  74  * for clients on machines with a different byte ordering than the server.
  75  *
  76  */
  77
  78 int
  79 SProcXGetDeviceKeyMapping(ClientPtr client)
  80 {
  81     char n;
  82
  83     REQUEST(xGetDeviceKeyMappingReq);
  84     swaps(&stuff->length, n);
  85     return (ProcXGetDeviceKeyMapping(client));
  86 }
  87
  88 /***********************************************************************
  89  *
  90  * Get the device key mapping.
  91  *
  92  */
  93
  94 int
  95 ProcXGetDeviceKeyMapping(ClientPtr client)
  96 {
  97     xGetDeviceKeyMappingReply rep;
  98     DeviceIntPtr dev;
  99     KeySymsPtr k;
 100
 101     REQUEST(xGetDeviceKeyMappingReq);
 102     REQUEST_SIZE_MATCH(xGetDeviceKeyMappingReq);
 103
 104     dev = LookupDeviceIntRec(stuff->deviceid);
 105     if (dev == NULL) {
 106         SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0,
 107                           BadDevice);
 108         return Success;
 109     }
 110
 111     if (dev->key == NULL) {
 112         SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0, BadMatch);
 113         return Success;
 114     }
 115     k = &dev->key->curKeySyms;
 116
 117     if ((stuff->firstKeyCode < k->minKeyCode) ||
 118         (stuff->firstKeyCode > k->maxKeyCode)) {
 119         client->errorValue = stuff->firstKeyCode;
 120         SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0, BadValue);
 121         return Success;
 122     }
 123
 124     if (stuff->firstKeyCode + stuff->count > k->maxKeyCode + 1) {
 125         client->errorValue = stuff->count;
 126         SendErrorToClient(client, IReqCode, X_GetDeviceKeyMapping, 0, BadValue);
 127         return Success;
 128     }
 129
 130     rep.repType = X_Reply;
 131     rep.RepType = X_GetDeviceKeyMapping;
 132     rep.sequenceNumber = client->sequence;
 133     rep.keySymsPerKeyCode = k->mapWidth;
 134     rep.length = (k->mapWidth * stuff->count);  /* KeySyms are 4 bytes */
 135     WriteReplyToClient(client, sizeof(xGetDeviceKeyMappingReply), &rep);
 136
 137     client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write;
 138     WriteSwappedDataToClient(client,
 139                              k->mapWidth * stuff->count * sizeof(KeySym),
 140                              &k->map[(stuff->firstKeyCode - k->minKeyCode) *
 141                                      k->mapWidth]);
 142
 143     return Success;
 144 }
 145
 146 /***********************************************************************
 147  *
 148  * This procedure writes the reply for the XGetDeviceKeyMapping function,
 149  * if the client and server have a different byte ordering.
 150  *
 151  */
 152
 153 void
 154 SRepXGetDeviceKeyMapping(ClientPtr client, int size,
 155                          xGetDeviceKeyMappingReply * rep)
 156 {
 157     char n;
 158
 159     swaps(&rep->sequenceNumber, n);
 160     swapl(&rep->length, n);
 161     WriteToClient(client, size, (char *)rep);
 162 }