HighlightListener.java

/* -*- tab-width: 4 -*-
 *
 * Electric(tm) VLSI Design System
 *
 * File: HighlightListener.java
 *
 * Copyright (c) 2004 Sun Microsystems and Free Software
 *
 * Electric(tm) is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * Electric(tm) is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Electric(tm); see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, Mass 02111-1307, USA.
 */
package com.sun.electric.tool.user;


/**
 * Class to handle listening for changes to highlighting.
 */
public interface HighlightListener {

    /**
     * Called by the Highlight manager when highlights have changed
     * and will be updated on the screen.
     */
    public void highlightChanged(Highlighter which);

    /**
     * Called when by a Highlighter when it loses focus. The argument
     * is the Highlighter that has gained focus (may be null).
     * @param highlighterGainedFocus the highlighter for the current window (may be null).
     */
    public void highlighterLostFocus(Highlighter highlighterGainedFocus);
}