IABSD.fr/xenocara/lib/libXi/src/XIBarrier.c

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• Author : matthieu
  Date : 2014-05-09 19:55:33
  Hash : 3be5e5d5
  Message : Update to libXi 1.7.2. Tested by ajacoutot@ against gnome.

• lib/libXi/src/XIBarrier.c

• /*
   * Copyright © 2009 Red Hat, Inc.
   *
   * 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.
   *
   */
  
  #if HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <stdint.h>
  #include <X11/Xlibint.h>
  #include <X11/extensions/XI2proto.h>
  #include <X11/extensions/XInput2.h>
  #include <X11/extensions/extutil.h>
  #include "XIint.h"
  
  void
  XIBarrierReleasePointers(Display *dpy,
                           XIBarrierReleasePointerInfo *barriers,
                           int num_barriers)
  {
      XExtDisplayInfo	        *info = XInput_find_display(dpy);
      xXIBarrierReleasePointerReq *req;
      int extra = 0;
      int i;
      xXIBarrierReleasePointerInfo *b;
  
      if (!num_barriers)
          return;
  
      extra = (num_barriers * sizeof(xXIBarrierReleasePointerInfo));
  
      LockDisplay (dpy);
      GetReqExtra (XIBarrierReleasePointer, extra, req);
      req->reqType = info->codes->major_opcode;
      req->ReqType = X_XIBarrierReleasePointer;
      req->num_barriers = num_barriers;
  
      b = (xXIBarrierReleasePointerInfo *) &req[1];
      for (i = 0; i < num_barriers; i++, b++) {
          b->deviceid = barriers[i].deviceid;
          b->eventid = barriers[i].eventid;
          b->barrier = barriers[i].barrier;
      }
  
      UnlockDisplay (dpy);
      SyncHandle ();
  }
  
  void
  XIBarrierReleasePointer(Display *dpy,
                          int            deviceid,
                          PointerBarrier barrier,
                          BarrierEventID eventid)
  {
      XIBarrierReleasePointerInfo info;
      info.deviceid = deviceid;
      info.barrier = barrier;
      info.eventid = eventid;
  
      XIBarrierReleasePointers(dpy, &info, 1);
  }