/* KeyListener.java -- listen for keyboard presses
   Copyright (C) 1999, 2002, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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any later version.

GNU Classpath 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 GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
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exception statement from your version. */


package java.awt.event;

import java.util.EventListener;

/**
 * This interface is for classes that wish to receive keyboard events. To
 * watch a subset of these events, use a KeyAdapter.
 *
 * @author Aaron M. Renn (arenn@urbanophile.com)
 * @see KeyAdapter
 * @see KeyEvent
 * @since 1.1
 * @status updated to 1.4
 */
public interface KeyListener extends EventListener
{
  /**
   * This method is called when a key is typed.  A key is considered typed
   * when it and all modifiers have been pressed and released, mapping to
   * a single virtual key.
   *
   * @param event the <code>KeyEvent</code> indicating that a key was typed
   */
  void keyTyped(KeyEvent event);

  /**
   * This method is called when a key is pressed.
   *
   * @param event the <code>KeyEvent</code> indicating the key press
   */
  void keyPressed(KeyEvent event);

  /**
   * This method is called when a key is released.
   *
   * @param event the <code>KeyEvent</code> indicating the key release
   */
  void keyReleased(KeyEvent event);
} // interface KeyListener