private void showPopupMenu(final MouseEvent event){
  final int index=m_tabbedPane.indexAtLocation(event.getX(),event.getY());
  if (index == -1) {
    return;
  }
  final CGraphPanel child=(CGraphPanel)m_tabbedPane.getComponentAt(index);
  final JPopupMenu menu=new JGraphTabMenu(m_tabbedPane,child);
  menu.show(event.getComponent(),event.getX(),event.getY());
}

private void showPopupMenu ( final MouseEvent event ) { final int index = m_tabbedPane . indexAtLocation ( event . getX ( ) , event . getY ( ) ) ; if ( index == - 1 ) { return ; } final CGraphPanel child = ( CGraphPanel ) m_tabbedPane . getComponentAt ( index ) ; final JPopupMenu menu = new JGraphTabMenu ( m_tabbedPane , child ) ; menu . show ( event . getComponent ( ) , event . getX ( ) , event . getY ( ) ) ; }
shows a popup menu for the given event .
