nsGUIEvent(PRBool isTrusted, PRUint32 msg, nsIWidget *w) : nsEvent(isTrusted, msg, NS_GUI_EVENT),
nsGUIEvent(PRBool isTrusted, PRUint32 msg, nsIWidget *w, PRUint8 structType) : nsEvent(isTrusted, msg, structType),
  nsGUIEvent(PRBool isTrusted, PRUint32 msg, nsIWidget *w)    : nsEvent(isTrusted, msg, NS_GUI_EVENT),      widget(w), nativeMsg(nsnull)  {  }