xserver

xserver with xephyr scale patch
git clone https://git.neptards.moe/u3shit/xserver.git
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xisetclientpointer.c (3182B)

      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 /***********************************************************************
     27  *
     28  * Request to set the client pointer for the owner of the given window.
     29  * All subsequent calls that are ambiguous will choose the client pointer as
     30  * default value.
     31  */
     32 
     33 #ifdef HAVE_DIX_CONFIG_H
     34 #include <dix-config.h>
     35 #endif
     36 
     37 #include <X11/X.h>              /* for inputstr.h    */
     38 #include <X11/Xproto.h>         /* Request macro     */
     39 #include "inputstr.h"           /* DeviceIntPtr      */
     40 #include "windowstr.h"          /* window structure  */
     41 #include "scrnintstr.h"         /* screen structure  */
     42 #include <X11/extensions/XI.h>
     43 #include <X11/extensions/XI2proto.h>
     44 #include "extnsionst.h"
     45 #include "exevents.h"
     46 #include "exglobals.h"
     47 
     48 #include "xisetclientpointer.h"
     49 
     50 int _X_COLD
     51 SProcXISetClientPointer(ClientPtr client)
     52 {
     53     REQUEST(xXISetClientPointerReq);
     54     REQUEST_SIZE_MATCH(xXISetClientPointerReq);
     55 
     56     swaps(&stuff->length);
     57     swapl(&stuff->win);
     58     swaps(&stuff->deviceid);
     59     return (ProcXISetClientPointer(client));
     60 }
     61 
     62 int
     63 ProcXISetClientPointer(ClientPtr client)
     64 {
     65     DeviceIntPtr pDev;
     66     ClientPtr targetClient;
     67     int rc;
     68 
     69     REQUEST(xXISetClientPointerReq);
     70     REQUEST_SIZE_MATCH(xXISetClientPointerReq);
     71 
     72     rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixManageAccess);
     73     if (rc != Success) {
     74         client->errorValue = stuff->deviceid;
     75         return rc;
     76     }
     77 
     78     if (!IsMaster(pDev)) {
     79         client->errorValue = stuff->deviceid;
     80         return BadDevice;
     81     }
     82 
     83     pDev = GetMaster(pDev, MASTER_POINTER);
     84 
     85     if (stuff->win != None) {
     86         rc = dixLookupClient(&targetClient, stuff->win, client,
     87                              DixManageAccess);
     88 
     89         if (rc != Success)
     90             return BadWindow;
     91 
     92     }
     93     else
     94         targetClient = client;
     95 
     96     rc = SetClientPointer(targetClient, pDev);
     97     if (rc != Success) {
     98         client->errorValue = stuff->deviceid;
     99         return rc;
    100     }
    101 
    102     return Success;
    103 }