public void mouseClicked(MouseEvent ev){
  if (!tryPopup(ev) && SwingUtilities.isLeftMouseButton(ev)) {
    if (!isResizing)     hmo.handleHeaderColumnLeftClick(ev.getPoint());
 else     isResizing=false;
  }
}

public void mouseClicked ( MouseEvent ev ) { if ( ! tryPopup ( ev ) && SwingUtilities . isLeftMouseButton ( ev ) ) { if ( ! isResizing ) hmo . handleHeaderColumnLeftClick ( ev . getPoint ( ) ) ; else isResizing = false ; } }
invoked when the mouse has been clicked on a component .
