IABSD.fr/xenocara/xserver/Xi/xigetclientpointer.c

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• Author : matthieu
  Date : 2019-07-27 07:57:06
  Hash : a77e9959
  Message : Update to xserver 1.20.5. Tested by jsg@

• xserver/Xi/xigetclientpointer.c

• /*
   * Copyright 2007-2008 Peter Hutterer
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice (including the next
   * paragraph) shall be included in all copies or substantial portions of the
   * Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   * DEALINGS IN THE SOFTWARE.
   *
   * Author: Peter Hutterer, University of South Australia, NICTA
   */
  
  #ifdef HAVE_DIX_CONFIG_H
  #include <dix-config.h>
  #endif
  
  #include <X11/X.h>              /* for inputstr.h    */
  #include <X11/Xproto.h>         /* Request macro     */
  #include "inputstr.h"           /* DeviceIntPtr      */
  #include "windowstr.h"          /* window structure  */
  #include "scrnintstr.h"         /* screen structure  */
  #include <X11/extensions/XI.h>
  #include <X11/extensions/XI2proto.h>
  #include "extnsionst.h"
  #include "extinit.h"            /* LookupDeviceIntRec */
  #include "exevents.h"
  #include "exglobals.h"
  
  #include "xigetclientpointer.h"
  
  /***********************************************************************
   * This procedure allows a client to query another client's client pointer
   * setting.
   */
  
  int _X_COLD
  SProcXIGetClientPointer(ClientPtr client)
  {
      REQUEST(xXIGetClientPointerReq);
      REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
  
      swaps(&stuff->length);
      swapl(&stuff->win);
      return ProcXIGetClientPointer(client);
  }
  
  int
  ProcXIGetClientPointer(ClientPtr client)
  {
      int rc;
      ClientPtr winclient;
      xXIGetClientPointerReply rep;
  
      REQUEST(xXIGetClientPointerReq);
      REQUEST_SIZE_MATCH(xXIGetClientPointerReq);
  
      if (stuff->win != None) {
          rc = dixLookupClient(&winclient, stuff->win, client, DixGetAttrAccess);
  
          if (rc != Success)
              return BadWindow;
      }
      else
          winclient = client;
  
      rep = (xXIGetClientPointerReply) {
          .repType = X_Reply,
          .RepType = X_XIGetClientPointer,
          .sequenceNumber = client->sequence,
          .length = 0,
          .set = (winclient->clientPtr != NULL),
          .deviceid = (winclient->clientPtr) ? winclient->clientPtr->id : 0
      };
  
      WriteReplyToClient(client, sizeof(xXIGetClientPointerReply), &rep);
      return Success;
  }
  
  /***********************************************************************
   *
   * This procedure writes the reply for the XGetClientPointer function,
   * if the client and server have a different byte ordering.
   *
   */
  
  void _X_COLD
  SRepXIGetClientPointer(ClientPtr client, int size,
                         xXIGetClientPointerReply * rep)
  {
      swaps(&rep->sequenceNumber);
      swapl(&rep->length);
      swaps(&rep->deviceid);
      WriteToClient(client, size, rep);
  }