IABSD.fr/xenocara/xserver/Xi/xichangecursor.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/xichangecursor.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
   */
  
  /***********************************************************************
   *
   * Request to change a given device pointer's cursor.
   *
   */
  
  #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 "exevents.h"
  #include "exglobals.h"
  #include "input.h"
  
  #include "xichangecursor.h"
  
  /***********************************************************************
   *
   * This procedure allows a client to set one pointer's cursor.
   *
   */
  
  int _X_COLD
  SProcXIChangeCursor(ClientPtr client)
  {
      REQUEST(xXIChangeCursorReq);
      REQUEST_SIZE_MATCH(xXIChangeCursorReq);
      swaps(&stuff->length);
      swapl(&stuff->win);
      swapl(&stuff->cursor);
      swaps(&stuff->deviceid);
      return (ProcXIChangeCursor(client));
  }
  
  int
  ProcXIChangeCursor(ClientPtr client)
  {
      int rc;
      WindowPtr pWin = NULL;
      DeviceIntPtr pDev = NULL;
      CursorPtr pCursor = NULL;
  
      REQUEST(xXIChangeCursorReq);
      REQUEST_SIZE_MATCH(xXIChangeCursorReq);
  
      rc = dixLookupDevice(&pDev, stuff->deviceid, client, DixSetAttrAccess);
      if (rc != Success)
          return rc;
  
      if (!IsMaster(pDev) || !IsPointerDevice(pDev))
          return BadDevice;
  
      if (stuff->win != None) {
          rc = dixLookupWindow(&pWin, stuff->win, client, DixSetAttrAccess);
          if (rc != Success)
              return rc;
      }
  
      if (stuff->cursor == None) {
          if (pWin == pWin->drawable.pScreen->root)
              pCursor = rootCursor;
          else
              pCursor = (CursorPtr) None;
      }
      else {
          rc = dixLookupResourceByType((void **) &pCursor, stuff->cursor,
                                       RT_CURSOR, client, DixUseAccess);
          if (rc != Success)
              return rc;
      }
  
      ChangeWindowDeviceCursor(pWin, pDev, pCursor);
  
      return Success;
  }