public void registerPopout(JDialog popout){
  popouts.put(popout,null);
  addHotkeys(popout.getRootPane());
}

public void registerPopout ( JDialog popout ) { popouts . put ( popout , null ) ; addHotkeys ( popout . getRootPane ( ) ) ; }
register a popout window , so regular hotkeys can be added to it if necessary . references are saved in a weakhashmap .
