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1: /* KeyListener.java -- listen for keyboard presses 2: Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package java.awt.event; 40: 41: import java.util.EventListener; 42: 43: /** 44: * This interface is for classes that wish to receive keyboard events. To 45: * watch a subset of these events, use a KeyAdapter. 46: * 47: * @author Aaron M. Renn (arenn@urbanophile.com) 48: * @see KeyAdapter 49: * @see KeyEvent 50: * @since 1.1 51: * @status updated to 1.4 52: */ 53: public interface KeyListener extends EventListener 54: { 55: /** 56: * This method is called when a key is typed. A key is considered typed 57: * when it and all modifiers have been pressed and released, mapping to 58: * a single virtual key. 59: * 60: * @param event the <code>KeyEvent</code> indicating that a key was typed 61: */ 62: void keyTyped(KeyEvent event); 63: 64: /** 65: * This method is called when a key is pressed. 66: * 67: * @param event the <code>KeyEvent</code> indicating the key press 68: */ 69: void keyPressed(KeyEvent event); 70: 71: /** 72: * This method is called when a key is released. 73: * 74: * @param event the <code>KeyEvent</code> indicating the key release 75: */ 76: void keyReleased(KeyEvent event); 77: } // interface KeyListener