extern public static void XSelectInput(IntPtr x11display, IntPtr x11window, EventMask eventMask);

 static extern IntPtr XSelectInput(IntPtr window, IntPtr display, EventMask mask);

 internal static extern void SelectInput(Display display, Window w, EventMask event_mask);

		internal extern static int XGrabPointer(IntPtr display, IntPtr window, bool owner_events, EventMask event_mask, GrabMode pointer_mode, GrabMode keyboard_mode, IntPtr confine_to, IntPtr cursor, IntPtr timestamp);

 public static int XSendEvent(IntPtr display, IntPtr window, bool propagate, EventMask event_mask, ref XEvent send_event)
 {
     return XSendEvent(display, window, propagate, new IntPtr((int)event_mask), ref send_event);
 }

 /// <summary>
 /// Retrieve events of a certain type
 /// </summary>
 /// <param name="eventMask">Event to retrieve</param>
 /// <returns>Array containing events</returns>
 public static SdlEventArgs[] Retrieve(EventMask eventMask)
 {
     return Retrieve(eventMask, QUERY_EVENTS_MAX);
 }

		internal extern static IntPtr XSelectInput (IntPtr display, IntPtr window, EventMask mask);

		internal extern static bool XCheckMaskEvent (IntPtr display, EventMask mask, ref XEvent xevent);

		internal extern static bool XCheckWindowEvent (IntPtr display, IntPtr window, EventMask mask, ref XEvent xevent);

 public static bool CheckMaskEvent(IntPtr display, EventMask event_mask, ref XEvent event_return);

 public static void SelectInput(IntPtr display, IntPtr w, EventMask event_mask);

 private extern static IntPtr XSelectInput (IntPtr window, IntPtr display, EventMask mask);

 public static extern int  XSendEvent(IntPtr display, IntPtr w, bool propagate, EventMask mask, ref XEvent e);

 /// <summary>
 /// Remove all events of a certain type
 /// </summary>
 /// <param name="eventMask">
 /// Events to remove
 /// </param>
 public static void Remove(EventMask eventMask)
 {
     Remove(eventMask, QUERY_EVENTS_MAX);
 }

		internal extern static int XSendEvent (IntPtr display, IntPtr window, bool propagate, EventMask event_mask, ref XEvent send_event);

 public extern static int XGrabButton(IntPtr display,
     int button, uint modifiers, Window grab_window,
     Bool owner_events, EventMask event_mask,
     GrabMode pointer_mode, GrabMode keyboard_mode,
     Window confine_to, Cursor cursor);

		private static extern string XGetICValues (IntPtr xic, string name, out EventMask value, IntPtr terminator);

 public extern static Bool XCheckWindowEvent(Display display, Window w, EventMask event_mask, ref XEvent event_return);

		void CreateXicForWindow (IntPtr window)
		{
			IntPtr xic = CreateXic (window, xim);
			xic_table [(long) window] = xic;
			if (xic == IntPtr.Zero)
				Console.Error.WriteLine ("Could not get XIC");
			else {
				if (XGetICValues (xic, "filterEvents", out xic_event_mask, IntPtr.Zero) != null)
					Console.Error.WriteLine ("Could not get XIC values");
				EventMask mask = EventMask.ExposureMask | EventMask.KeyPressMask | EventMask.FocusChangeMask;
				if ((xic_event_mask | mask) == xic_event_mask) {
					xic_event_mask |= mask;
					lock (XlibLock) {
						XplatUIX11.XSelectInput(display, window, new IntPtr ((int) xic_event_mask));
					}
				}
			}
		}

		internal static int XChangeActivePointerGrab (IntPtr display, EventMask event_mask, IntPtr cursor, IntPtr time)
		{
			DebugHelper.TraceWriteLine ("XChangeActivePointerGrab");
			return _XChangeActivePointerGrab (display, event_mask, cursor, time);
		}