01 /*
02 * Key.java
03 *
04 * Copyright (c) 1998-2005, The University of Sheffield.
05 *
06 * This file is part of GATE (see http://gate.ac.uk/), and is free
07 * software, licenced under the GNU Library General Public License,
08 * Version 2, June1991.
09 *
10 * A copy of this licence is included in the distribution in the file
11 * licence.html, and is also available at http://gate.ac.uk/gate/licence.html.
12 *
13 * Valentin Tablan, October 2000
14 *
15 * $Id: Key.java 6491 2005-01-11 13:51:38Z ian $
16 */
17
18 package guk.im;
19 import java.awt.event.KeyEvent;
20
21 /**
22 * This calls describes a keyboard key.
23 * A key is defined by one character and modifiers (CTRL or ALT or both).
24 *
25 */
26 public class Key {
27 /** */
28 public Key(char keyChar, int modifiers){
29 this.keyChar = keyChar;
30 this.modifiers = modifiers;
31 }
32
33 /** */
34 public int hashCode(){
35 return (int)keyChar;
36 }
37
38 /** */
39 public boolean equals(Object o){
40 if(o instanceof Key){
41 Key other = (Key)o;
42 return keyChar == other.keyChar &&
43 (modifiers & KeyEvent.ALT_MASK) ==
44 (other.modifiers & KeyEvent.ALT_MASK) &&
45 (modifiers & KeyEvent.CTRL_MASK) ==
46 (other.modifiers & KeyEvent.CTRL_MASK);
47 }else return false;
48 }
49
50 /** */
51 char keyChar;
52 /** */
53 int modifiers;
54 }//class Key
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