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

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• Author : matthieu
  Date : 2014-09-28 17:22:58
  Hash : 6d1b4b2e
  Message : Update to libXi 1.7.4

• lib/libXi/src/XIAllowEvents.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"
  
  /* for GetRequest() to work */
  #define X_XI2_2AllowEvents X_XIAllowEvents
  
  static Status
  _XIAllowEvents(Display *dpy, int deviceid, int event_mode, Time time,
                      unsigned int touchid, Window grab_window)
  {
      Bool have_XI22 = True;
      xXIAllowEventsReq *req;
      xXI2_2AllowEventsReq *req_XI22;
  
      XExtDisplayInfo *extinfo = XInput_find_display(dpy);
  
      LockDisplay(dpy);
      if (_XiCheckExtInit(dpy, XInput_2_0, extinfo) == -1)
  	return (NoSuchExtension);
  
      if (_XiCheckExtInit(dpy, XInput_2_2, extinfo) == 0)
          have_XI22 = True;
  
      if (have_XI22)
      {
          GetReq(XI2_2AllowEvents, req_XI22);
          req = (xXIAllowEventsReq*)req_XI22;
      } else
          GetReq(XIAllowEvents, req);
  
      req->reqType = extinfo->codes->major_opcode;
      req->ReqType = X_XIAllowEvents;
      req->deviceid = deviceid;
      req->mode = event_mode;
      req->time = time;
  
      if (have_XI22) {
          req_XI22->touchid = touchid;
          req_XI22->grab_window = grab_window;
      }
  
      UnlockDisplay(dpy);
      SyncHandle();
      return Success;
  }
  
  Status
  XIAllowEvents(Display *dpy, int deviceid, int event_mode, Time time)
  {
      return _XIAllowEvents(dpy, deviceid, event_mode, time, 0, None);
  }
  
  Status
  XIAllowTouchEvents(Display *dpy, int deviceid, unsigned int touchid,
                     Window grab_window, int event_mode)
  {
      XExtDisplayInfo *extinfo = XInput_find_display(dpy);
  
      LockDisplay(dpy);
      if (_XiCheckExtInit(dpy, XInput_2_2, extinfo) == -1)
  	return (NoSuchExtension);
      UnlockDisplay(dpy);
  
      return _XIAllowEvents(dpy, deviceid, event_mode, CurrentTime, touchid, grab_window);
  }