xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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xigetclientpointer.c (3467B)

      1 /*
      2  * Copyright 2007-2008 Peter Hutterer
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
     21  * DEALINGS IN THE SOFTWARE.
     22  *
     23  * Author: Peter Hutterer, University of South Australia, NICTA
     24  */
     25 
     26 #ifdef HAVE_DIX_CONFIG_H
     27 #include <dix-config.h>
     28 #endif
     29 
     30 #include <X11/X.h>              /* for inputstr.h    */
     31 #include <X11/Xproto.h>         /* Request macro     */
     32 #include "inputstr.h"           /* DeviceIntPtr      */
     33 #include "windowstr.h"          /* window structure  */
     34 #include "scrnintstr.h"         /* screen structure  */
     35 #include <X11/extensions/XI.h>
     36 #include <X11/extensions/XI2proto.h>
     37 #include "extnsionst.h"
     38 #include "extinit.h"            /* LookupDeviceIntRec */
     39 #include "exevents.h"
     40 #include "exglobals.h"
     41 
     42 #include "xigetclientpointer.h"
     43 
     44 /***********************************************************************
     45  * This procedure allows a client to query another client's client pointer
     46  * setting.
     47  */
     48 
     49 int _X_COLD
     50 SProcXIGetClientPointer(ClientPtr client)
     51 {
     52     REQUEST(xXIGetClientPointerReq);
     53     REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
     54 
     55     swaps(&stuff->length);
     56     swapl(&stuff->win);
     57     return ProcXIGetClientPointer(client);
     58 }
     59 
     60 int
     61 ProcXIGetClientPointer(ClientPtr client)
     62 {
     63     int rc;
     64     ClientPtr winclient;
     65     xXIGetClientPointerReply rep;
     66 
     67     REQUEST(xXIGetClientPointerReq);
     68     REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
     69 
     70     if (stuff->win != None) {
     71         rc = dixLookupClient(&winclient, stuff->win, client, DixGetAttrAccess);
     72 
     73         if (rc != Success)
     74             return BadWindow;
     75     }
     76     else
     77         winclient = client;
     78 
     79     rep = (xXIGetClientPointerReply) {
     80         .repType = X_Reply,
     81         .RepType = X_XIGetClientPointer,
     82         .sequenceNumber = client->sequence,
     83         .length = 0,
     84         .set = (winclient->clientPtr != NULL),
     85         .deviceid = (winclient->clientPtr) ? winclient->clientPtr->id : 0
     86     };
     87 
     88     WriteReplyToClient(client, sizeof(xXIGetClientPointerReply), &rep);
     89     return Success;
     90 }
     91 
     92 /***********************************************************************
     93  *
     94  * This procedure writes the reply for the XGetClientPointer function,
     95  * if the client and server have a different byte ordering.
     96  *
     97  */
     98 
     99 void _X_COLD
    100 SRepXIGetClientPointer(ClientPtr client, int size,
    101                        xXIGetClientPointerReply * rep)
    102 {
    103     swaps(&rep->sequenceNumber);
    104     swapl(&rep->length);
    105     swaps(&rep->deviceid);
    106     WriteToClient(client, size, rep);
    107 }