/*
  * Call this method under AWTLock.
  * The lock should be acquired untill all operations with XSizeHints are completed.
  */
 public XSizeHints getHints() {
   if (hints == null) {
     long p_hints = XlibWrapper.XAllocSizeHints();
     hints = new XSizeHints(p_hints);
     //              XlibWrapper.XGetWMNormalHints(XToolkit.getDisplay(), getWindow(), p_hints,
     // XlibWrapper.larg1);
     // TODO: Shouldn't we listen for WM updates on this property?
   }
   return hints;
 }