xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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getkmap.c (5237B)

      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 #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 "exglobals.h"
     61 #include "swaprep.h"
     62 #include "xkbsrv.h"
     63 #include "xkbstr.h"
     64 
     65 #include "getkmap.h"
     66 
     67 /***********************************************************************
     68  *
     69  * This procedure gets the key mapping for an extension device,
     70  * for clients on machines with a different byte ordering than the server.
     71  *
     72  */
     73 
     74 int _X_COLD
     75 SProcXGetDeviceKeyMapping(ClientPtr client)
     76 {
     77     REQUEST(xGetDeviceKeyMappingReq);
     78     swaps(&stuff->length);
     79     return (ProcXGetDeviceKeyMapping(client));
     80 }
     81 
     82 /***********************************************************************
     83  *
     84  * Get the device key mapping.
     85  *
     86  */
     87 
     88 int
     89 ProcXGetDeviceKeyMapping(ClientPtr client)
     90 {
     91     xGetDeviceKeyMappingReply rep;
     92     DeviceIntPtr dev;
     93     XkbDescPtr xkb;
     94     KeySymsPtr syms;
     95     int rc;
     96 
     97     REQUEST(xGetDeviceKeyMappingReq);
     98     REQUEST_SIZE_MATCH(xGetDeviceKeyMappingReq);
     99 
    100     rc = dixLookupDevice(&dev, stuff->deviceid, client, DixGetAttrAccess);
    101     if (rc != Success)
    102         return rc;
    103     if (dev->key == NULL)
    104         return BadMatch;
    105     xkb = dev->key->xkbInfo->desc;
    106 
    107     if (stuff->firstKeyCode < xkb->min_key_code ||
    108         stuff->firstKeyCode > xkb->max_key_code) {
    109         client->errorValue = stuff->firstKeyCode;
    110         return BadValue;
    111     }
    112 
    113     if (stuff->firstKeyCode + stuff->count > xkb->max_key_code + 1) {
    114         client->errorValue = stuff->count;
    115         return BadValue;
    116     }
    117 
    118     syms = XkbGetCoreMap(dev);
    119     if (!syms)
    120         return BadAlloc;
    121 
    122     rep = (xGetDeviceKeyMappingReply) {
    123         .repType = X_Reply,
    124         .RepType = X_GetDeviceKeyMapping,
    125         .sequenceNumber = client->sequence,
    126         .keySymsPerKeyCode = syms->mapWidth,
    127         .length = (syms->mapWidth * stuff->count) /* KeySyms are 4 bytes */
    128     };
    129     WriteReplyToClient(client, sizeof(xGetDeviceKeyMappingReply), &rep);
    130 
    131     client->pSwapReplyFunc = (ReplySwapPtr) CopySwap32Write;
    132     WriteSwappedDataToClient(client,
    133                              syms->mapWidth * stuff->count * sizeof(KeySym),
    134                              &syms->map[syms->mapWidth * (stuff->firstKeyCode -
    135                                                           syms->minKeyCode)]);
    136     free(syms->map);
    137     free(syms);
    138 
    139     return Success;
    140 }
    141 
    142 /***********************************************************************
    143  *
    144  * This procedure writes the reply for the XGetDeviceKeyMapping function,
    145  * if the client and server have a different byte ordering.
    146  *
    147  */
    148 
    149 void _X_COLD
    150 SRepXGetDeviceKeyMapping(ClientPtr client, int size,
    151                          xGetDeviceKeyMappingReply * rep)
    152 {
    153     swaps(&rep->sequenceNumber);
    154     swapl(&rep->length);
    155     WriteToClient(client, size, rep);
    156 }