1 /*
2 * Copyright (c) 1996, 2006, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
37 * The listener object created from that class is then registered with a
38 * component using the component's <code>addKeyListener</code>
39 * method. A keyboard event is generated when a key is pressed, released,
40 * or typed. The relevant method in the listener
41 * object is then invoked, and the <code>KeyEvent</code> is passed to it.
42 *
43 * @author Carl Quinn
44 *
45 * @see KeyAdapter
46 * @see KeyEvent
47 * @see <a href="http://java.sun.com/docs/books/tutorial/post1.0/ui/keylistener.html">Tutorial: Writing a Key Listener</a>
48 *
49 * @since 1.1
50 */
51 public interface KeyListener extends EventListener {
52
53 /**
54 * Invoked when a key has been typed.
55 * See the class description for {@link KeyEvent} for a definition of
56 * a key typed event.
57 */
58 public void keyTyped(KeyEvent e);
59
60 /**
61 * Invoked when a key has been pressed.
62 * See the class description for {@link KeyEvent} for a definition of
63 * a key pressed event.
64 */
65 public void keyPressed(KeyEvent e);
66
67 /**
68 * Invoked when a key has been released.
69 * See the class description for {@link KeyEvent} for a definition of
70 * a key released event.
71 */
72 public void keyReleased(KeyEvent e);
73 }
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1 /*
2 * Copyright (c) 1996, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
37 * The listener object created from that class is then registered with a
38 * component using the component's <code>addKeyListener</code>
39 * method. A keyboard event is generated when a key is pressed, released,
40 * or typed. The relevant method in the listener
41 * object is then invoked, and the <code>KeyEvent</code> is passed to it.
42 *
43 * @author Carl Quinn
44 *
45 * @see KeyAdapter
46 * @see KeyEvent
47 * @see <a href="http://java.sun.com/docs/books/tutorial/post1.0/ui/keylistener.html">Tutorial: Writing a Key Listener</a>
48 *
49 * @since 1.1
50 */
51 public interface KeyListener extends EventListener {
52
53 /**
54 * Invoked when a key has been typed.
55 * See the class description for {@link KeyEvent} for a definition of
56 * a key typed event.
57 * @param e the event to be processed
58 */
59 public void keyTyped(KeyEvent e);
60
61 /**
62 * Invoked when a key has been pressed.
63 * See the class description for {@link KeyEvent} for a definition of
64 * a key pressed event.
65 * @param e the event to be processed
66 */
67 public void keyPressed(KeyEvent e);
68
69 /**
70 * Invoked when a key has been released.
71 * See the class description for {@link KeyEvent} for a definition of
72 * a key released event.
73 * @param e the event to be processed
74 */
75 public void keyReleased(KeyEvent e);
76 }
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