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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libjava/] [classpath/] [java/] [awt/] [event/] [KeyEvent.java] - Blame information for rev 14

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/* KeyEvent.java -- event for key presses
   Copyright (C) 1999, 2002, 2004, 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
the Free Software Foundation; either version 2, or (at your option)
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
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */
 
 
package java.awt.event;
 
import gnu.java.awt.EventModifier;
 
import java.awt.Component;
import java.io.IOException;
import java.io.ObjectInputStream;
 
/**
 * This event is generated when a key is pressed or released. There are two
 * categories of key events:
 *
 * <p><em>"Key typed" events</em> are higher-level, and have already
 * compensated for modifiers and keyboard layout to generate a single Unicode
 * character. It may take several key press events to generate one key typed.
 * The <code>getKeyCode</code> method will return <code>VK_UNDEFINED</code>,
 * and <code>getKeyChar</code> will return a valid Unicode character or
 * <code>CHAR_UNDEFINED</code>.
 *
 * <p><em>"Key pressed" and "key released" events</em> are lower-level, and
 * are platform and keyboard dependent. They correspond to the actaul motion
 * on a keyboard, and return a virtual key code which labels the key that was
 * pressed. The <code>getKeyCode</code> method will return one of the
 * <code>VK_*</code> constants (except VK_UNDEFINED), and the
 * <code>getKeyChar</code> method is undefined.
 *
 * <p>Some keys do not generate key typed events, such as the F1 or HELP keys.
 * Not all keyboards can generate all virtual keys, and no attempt is made to
 * simulate the ones that can't be typed. Virtual keys correspond to the
 * keyboard layout, so for example, VK_Q in English is VK_A in French. Also,
 * there are some additional virtual keys to ease handling of actions, such
 * as VK_ALL_CANDIDATES in place of ALT+VK_CONVERT. Do not rely on the value
 * of the VK_* constants, except for VK_ENTER, VK_BACK_SPACE, and VK_TAB.
 *
 * @author Aaron M. Renn (arenn@urbanophile.com)
 * @author Eric Blake (ebb9@email.byu.edu)
 * @see KeyAdapter
 * @see KeyListener
 * @since 1.1
 * @status updated to 1.4
 */
public class KeyEvent extends InputEvent
{
  /**
   * Compatible with JDK 1.1+.
   */
  private static final long serialVersionUID = -2352130953028126954L;
 
  /** This is the first id in the range of event ids used by this class. */
  public static final int KEY_FIRST = 400;
 
  /** This is the last id in the range of event ids used by this class. */
  public static final int KEY_LAST = 402;
 
  /**
   * This event id indicates a key was typed, which is a key press followed
   * by a key release to generate an actual Unicode character. It may take
   * several key presses to generate one key typed event, and some action
   * keys have no corresponding key typed.
   */
  public static final int KEY_TYPED = 400;
 
  /** This event id indicates a key was pressed. */
  public static final int KEY_PRESSED = 401;
 
  /** This event it indicates a key was released. */
  public static final int KEY_RELEASED = 402;
 
  /** The virtual key Enter, which will always map to '\n'. */
  public static final int VK_ENTER = '\n';
 
  /** The virtual key Backspace, which will always map to '\b'. */
  public static final int VK_BACK_SPACE = '\b';
 
  /** The virtual key Tab, which will always map to '\t'. */
  public static final int VK_TAB = '\t';
 
  /** The virtual key Cancel. */
  public static final int VK_CANCEL = 3;
 
  /** The virtual key VK_CLEAR. */
  public static final int VK_CLEAR = 12;
 
  /** The virtual key VK_SHIFT. */
  public static final int VK_SHIFT = 16;
 
  /** The virtual key VK_CONTROL. */
  public static final int VK_CONTROL = 17;
 
  /** The virtual key VK_ALT. */
  public static final int VK_ALT = 18;
 
  /** The virtual key VK_PAUSE. */
  public static final int VK_PAUSE = 19;
 
  /** The virtual key VK_CAPS_LOCK. */
  public static final int VK_CAPS_LOCK = 20;
 
  /** The virtual key VK_ESCAPE. */
  public static final int VK_ESCAPE = 27;
 
  /** The virtual key VK_SPACE. */
  public static final int VK_SPACE = ' ';
 
  /** The virtual key VK_PAGE_UP. */
  public static final int VK_PAGE_UP = 33;
 
  /** The virtual key VK_PAGE_DOWN. */
  public static final int VK_PAGE_DOWN = 34;
 
  /** The virtual key VK_END. */
  public static final int VK_END = 35;
 
  /** The virtual key VK_HOME. */
  public static final int VK_HOME = 36;
 
  /**
   * The virtual key for the non-numpad VK_LEFT.
   *
   * @see #VK_KP_LEFT
   */
  public static final int VK_LEFT = 37;
 
  /**
   * The virtual key for the non-numpad VK_UP.
   *
   * @see #VK_KP_UP
   */
  public static final int VK_UP = 38;
 
  /**
   * The virtual key for the non-numpad VK_RIGHT.
   *
   * @see #VK_KP_RIGHT
   */
  public static final int VK_RIGHT = 39;
 
  /**
   * The virtual key for the non-numpad VK_DOWN.
   *
   * @see #VK_KP_DOWN
   */
  public static final int VK_DOWN = 40;
 
  /** The virtual key VK_COMMA. */
  public static final int VK_COMMA = ',';
 
  /**
   * The virtual key VK_MINUS.
   *
   * @since 1.2
   */
  public static final int VK_MINUS = '-';
 
  /** The virtual key VK_PERIOD. */
  public static final int VK_PERIOD = '.';
 
  /** The virtual key VK_SLASH. */
  public static final int VK_SLASH = '/';
 
  /** The virtual key VK_0. */
  public static final int VK_0 = '0';
 
  /** The virtual key VK_1. */
  public static final int VK_1 = '1';
 
  /** The virtual key VK_2. */
  public static final int VK_2 = '2';
 
  /** The virtual key VK_3. */
  public static final int VK_3 = '3';
 
  /** The virtual key VK_4. */
  public static final int VK_4 = '4';
 
  /** The virtual key VK_5. */
  public static final int VK_5 = '5';
 
  /** The virtual key VK_6. */
  public static final int VK_6 = '6';
 
  /** The virtual key VK_7. */
  public static final int VK_7 = '7';
 
  /** The virtual key VK_8. */
  public static final int VK_8 = '8';
 
  /** The virtual key VK_9. */
  public static final int VK_9 = '9';
 
  /** The virtual key VK_SEMICOLON. */
  public static final int VK_SEMICOLON = ';';
 
  /** The virtual key VK_EQUALS. */
  public static final int VK_EQUALS = '=';
 
  /** The virtual key VK_A. */
  public static final int VK_A = 'A';
 
  /** The virtual key VK_B. */
  public static final int VK_B = 'B';
 
  /** The virtual key VK_C. */
  public static final int VK_C = 'C';
 
  /** The virtual key VK_D. */
  public static final int VK_D = 'D';
 
  /** The virtual key VK_E. */
  public static final int VK_E = 'E';
 
  /** The virtual key VK_F. */
  public static final int VK_F = 'F';
 
  /** The virtual key VK_G. */
  public static final int VK_G = 'G';
 
  /** The virtual key VK_H. */
  public static final int VK_H = 'H';
 
  /** The virtual key VK_I. */
  public static final int VK_I = 'I';
 
  /** The virtual key VK_J. */
  public static final int VK_J = 'J';
 
  /** The virtual key VK_K. */
  public static final int VK_K = 'K';
 
  /** The virtual key VK_L. */
  public static final int VK_L = 'L';
 
  /** The virtual key VK_M. */
  public static final int VK_M = 'M';
 
  /** The virtual key VK_N. */
  public static final int VK_N = 'N';
 
  /** The virtual key VK_O. */
  public static final int VK_O = 'O';
 
  /** The virtual key VK_P. */
  public static final int VK_P = 'P';
 
  /** The virtual key VK_Q. */
  public static final int VK_Q = 'Q';
 
  /** The virtual key VK_R. */
  public static final int VK_R = 'R';
 
  /** The virtual key VK_S. */
  public static final int VK_S = 'S';
 
  /** The virtual key VK_T. */
  public static final int VK_T = 'T';
 
  /** The virtual key VK_U. */
  public static final int VK_U = 'U';
 
  /** The virtual key VK_V. */
  public static final int VK_V = 'V';
 
  /** The virtual key VK_W. */
  public static final int VK_W = 'W';
 
  /** The virtual key VK_X. */
  public static final int VK_X = 'X';
 
  /** The virtual key VK_Y. */
  public static final int VK_Y = 'Y';
 
  /** The virtual key VK_Z. */
  public static final int VK_Z = 'Z';
 
  /** The virtual key VK_OPEN_BRACKET. */
  public static final int VK_OPEN_BRACKET = '[';
 
  /** The virtual key VK_BACK_SLASH. */
  public static final int VK_BACK_SLASH = '\\';
 
  /** The virtual key VK_CLOSE_BRACKET. */
  public static final int VK_CLOSE_BRACKET = ']';
 
  /** The virtual key VK_NUMPAD0. */
  public static final int VK_NUMPAD0 = 96;
 
  /** The virtual key VK_NUMPAD1. */
  public static final int VK_NUMPAD1 = 97;
 
  /** The virtual key VK_NUMPAD2. */
  public static final int VK_NUMPAD2 = 98;
 
  /** The virtual key VK_NUMPAD3. */
  public static final int VK_NUMPAD3 = 99;
 
  /** The virtual key VK_NUMPAD4. */
  public static final int VK_NUMPAD4 = 100;
 
  /** The virtual key VK_NUMPAD5. */
  public static final int VK_NUMPAD5 = 101;
 
  /** The virtual key VK_NUMPAD6. */
  public static final int VK_NUMPAD6 = 102;
 
  /** The virtual key VK_NUMPAD7. */
  public static final int VK_NUMPAD7 = 103;
 
  /** The virtual key VK_NUMPAD8. */
  public static final int VK_NUMPAD8 = 104;
 
  /** The virtual key VK_NUMPAD9. */
  public static final int VK_NUMPAD9 = 105;
 
  /** The virtual key VK_MULTIPLY. */
  public static final int VK_MULTIPLY = 106;
 
  /** The virtual key VK_ADD. */
  public static final int VK_ADD = 107;
 
  /**
   * The virtual key VK_SEPARATOR, handily mispelled for those who can't
   * figure it out.
   *
   * @deprecated use {@link #VK_SEPARATOR}
   */
  public static final int VK_SEPARATER = 108;
 
  /**
   * The virtual key VK_SEPARATOR.
   *
   * @since 1.4
   */
  public static final int VK_SEPARATOR = 108;
 
  /** The virtual key VK_SUBTRACT. */
  public static final int VK_SUBTRACT = 109;
 
  /** The virtual key VK_DECIMAL. */
  public static final int VK_DECIMAL = 110;
 
  /** The virtual key VK_DIVIDE. */
  public static final int VK_DIVIDE = 111;
 
  /** The virtual key VK_DELETE. */
  public static final int VK_DELETE = 127;
 
  /** The virtual key VK_NUM_LOCK. */
  public static final int VK_NUM_LOCK = 144;
 
  /** The virtual key VK_SCROLL_LOCK. */
  public static final int VK_SCROLL_LOCK = 145;
 
  /** The virtual key VK_F1. */
  public static final int VK_F1 = 112;
 
  /** The virtual key VK_F2. */
  public static final int VK_F2 = 113;
 
  /** The virtual key VK_F3. */
  public static final int VK_F3 = 114;
 
  /** The virtual key VK_F4. */
  public static final int VK_F4 = 115;
 
  /** The virtual key VK_F5. */
  public static final int VK_F5 = 116;
 
  /** The virtual key VK_F6. */
  public static final int VK_F6 = 117;
 
  /** The virtual key VK_F7. */
  public static final int VK_F7 = 118;
 
  /** The virtual key VK_F8. */
  public static final int VK_F8 = 119;
 
  /** The virtual key VK_F9. */
  public static final int VK_F9 = 120;
 
  /** The virtual key VK_F10. */
  public static final int VK_F10 = 121;
 
  /** The virtual key VK_F11. */
  public static final int VK_F11 = 122;
 
  /** The virtual key VK_F12. */
  public static final int VK_F12 = 123;
 
  /**
   * The virtual key VK_F13.
   *
   * @since 1.2
   */
  public static final int VK_F13 = 61440;
 
  /**
   * The virtual key VK_F14.
   *
   * @since 1.2
   */
  public static final int VK_F14 = 61441;
 
  /**
   * The virtual key VK_F15.
   *
   * @since 1.2
   */
  public static final int VK_F15 = 61442;
 
  /**
   * The virtual key VK_F16.
   *
   * @since 1.2
   */
  public static final int VK_F16 = 61443;
 
  /**
   * The virtual key VK_F17.
   *
   * @since 1.2
   */
  public static final int VK_F17 = 61444;
 
  /**
   * The virtual key VK_F18.
   *
   * @since 1.2
   */
  public static final int VK_F18 = 61445;
 
  /**
   * The virtual key VK_F19.
   *
   * @since 1.2
   */
  public static final int VK_F19 = 61446;
 
  /**
   * The virtual key VK_F20.
   *
   * @since 1.2
   */
  public static final int VK_F20 = 61447;
 
  /**
   * The virtual key VK_F21.
   *
   * @since 1.2
   */
  public static final int VK_F21 = 61448;
 
  /**
   * The virtual key VK_F22.
   *
   * @since 1.2
   */
  public static final int VK_F22 = 61449;
 
  /**
   * The virtual key VK_F23.
   *
   * @since 1.2
   */
  public static final int VK_F23 = 61450;
 
  /**
   * The virtual key VK_F24.
   *
   * @since 1.2
   */
  public static final int VK_F24 = 61451;
 
  /** The virtual key VK_PRINTSCREEN. */
  public static final int VK_PRINTSCREEN = 154;
 
  /** The virtual key VK_INSERT. */
  public static final int VK_INSERT = 155;
 
  /** The virtual key VK_HELP. */
  public static final int VK_HELP = 156;
 
  /** The virtual key VK_META. */
  public static final int VK_META = 157;
 
  /** The virtual key VK_BACK_QUOTE. */
  public static final int VK_BACK_QUOTE = 192;
 
  /** The virtual key VK_QUOTE. */
  public static final int VK_QUOTE = 222;
 
  /**
   * The virtual key for the numpad VK_KP_UP.
   *
   * @see #VK_UP
   * @since 1.2
   */
  public static final int VK_KP_UP = 224;
 
  /**
   * The virtual key for the numpad VK_KP_DOWN.
   *
   * @see #VK_DOWN
   * @since 1.2
   */
  public static final int VK_KP_DOWN = 225;
 
  /**
   * The virtual key for the numpad VK_KP_LEFT.
   *
   * @see #VK_LEFT
   * @since 1.2
   */
  public static final int VK_KP_LEFT = 226;
 
  /**
   * The virtual key for the numpad VK_KP_RIGHT.
   *
   * @see #VK_RIGHT
   * @since 1.2
   */
  public static final int VK_KP_RIGHT = 227;
 
  /**
   * The virtual key VK_DEAD_GRAVE.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_GRAVE = 128;
 
  /**
   * The virtual key VK_DEAD_ACUTE.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_ACUTE = 129;
 
  /**
   * The virtual key VK_DEAD_CIRCUMFLEX.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_CIRCUMFLEX = 130;
 
  /**
   * The virtual key VK_DEAD_TILDE.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_TILDE = 131;
 
  /**
   * The virtual key VK_DEAD_MACRON.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_MACRON = 132;
 
  /**
   * The virtual key VK_DEAD_BREVE.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_BREVE = 133;
 
  /**
   * The virtual key VK_DEAD_ABOVEDOT.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_ABOVEDOT = 134;
 
  /**
   * The virtual key VK_DEAD_DIAERESIS.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_DIAERESIS = 135;
 
  /**
   * The virtual key VK_DEAD_ABOVERING.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_ABOVERING = 136;
 
  /**
   * The virtual key VK_DEAD_DOUBLEACUTE.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_DOUBLEACUTE = 137;
 
  /**
   * The virtual key VK_DEAD_CARON.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_CARON = 138;
 
  /**
   * The virtual key VK_DEAD_CEDILLA.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_CEDILLA = 139;
 
  /**
   * The virtual key VK_DEAD_OGONEK.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_OGONEK = 140;
 
  /**
   * The virtual key VK_DEAD_IOTA.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_IOTA = 141;
 
  /**
   * The virtual key VK_DEAD_VOICED_SOUND.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_VOICED_SOUND = 142;
 
  /**
   * The virtual key VK_DEAD_SEMIVOICED_SOUND.
   *
   * @since 1.2
   */
  public static final int VK_DEAD_SEMIVOICED_SOUND = 143;
 
  /**
   * The virtual key VK_AMPERSAND.
   *
   * @since 1.2
   */
  public static final int VK_AMPERSAND = 150;
 
  /**
   * The virtual key VK_ASTERISK.
   *
   * @since 1.2
   */
  public static final int VK_ASTERISK = 151;
 
  /**
   * The virtual key VK_QUOTEDBL.
   *
   * @since 1.2
   */
  public static final int VK_QUOTEDBL = 152;
 
  /**
   * The virtual key VK_LESS.
   *
   * @since 1.2
   */
  public static final int VK_LESS = 153;
 
  /**
   * The virtual key VK_GREATER.
   *
   * @since 1.2
   */
  public static final int VK_GREATER = 160;
 
  /**
   * The virtual key VK_BRACELEFT.
   *
   * @since 1.2
   */
  public static final int VK_BRACELEFT = 161;
 
  /**
   * The virtual key VK_BRACERIGHT.
   *
   * @since 1.2
   */
  public static final int VK_BRACERIGHT = 162;
 
  /**
   * The virtual key VK_AT.
   *
   * @since 1.2
   */
  public static final int VK_AT = 512;
 
  /**
   * The virtual key VK_COLON.
   *
   * @since 1.2
   */
  public static final int VK_COLON = 513;
 
  /**
   * The virtual key VK_CIRCUMFLEX.
   *
   * @since 1.2
   */
  public static final int VK_CIRCUMFLEX = 514;
 
  /**
   * The virtual key VK_DOLLAR.
   *
   * @since 1.2
   */
  public static final int VK_DOLLAR = 515;
 
  /**
   * The virtual key VK_EURO_SIGN.
   *
   * @since 1.2
   */
  public static final int VK_EURO_SIGN = 516;
 
  /**
   * The virtual key VK_EXCLAMATION_MARK.
   *
   * @since 1.2
   */
  public static final int VK_EXCLAMATION_MARK = 517;
 
  /**
   * The virtual key VK_INVERTED_EXCLAMATION_MARK.
   *
   * @since 1.2
   */
  public static final int VK_INVERTED_EXCLAMATION_MARK = 518;
 
  /**
   * The virtual key VK_LEFT_PARENTHESIS.
   *
   * @since 1.2
   */
  public static final int VK_LEFT_PARENTHESIS = 519;
 
  /**
   * The virtual key VK_NUMBER_SIGN.
   *
   * @since 1.2
   */
  public static final int VK_NUMBER_SIGN = 520;
 
  /**
   * The virtual key VK_PLUS.
   *
   * @since 1.2
   */
  public static final int VK_PLUS = 521;
 
  /**
   * The virtual key VK_RIGHT_PARENTHESIS.
   *
   * @since 1.2
   */
  public static final int VK_RIGHT_PARENTHESIS = 522;
 
  /**
   * The virtual key VK_UNDERSCORE.
   *
   * @since 1.2
   */
  public static final int VK_UNDERSCORE = 523;
 
  /** The virtual key VK_FINAL. */
  public static final int VK_FINAL = 24;
 
  /** The virtual key VK_CONVERT. */
  public static final int VK_CONVERT = 28;
 
  /** The virtual key VK_NONCONVERT. */
  public static final int VK_NONCONVERT = 29;
 
  /** The virtual key VK_ACCEPT. */
  public static final int VK_ACCEPT = 30;
 
  /** The virtual key VK_MODECHANGE. */
  public static final int VK_MODECHANGE = 31;
 
  /** The virtual key VK_KANA. */
  public static final int VK_KANA = 21;
 
  /** The virtual key VK_KANJI. */
  public static final int VK_KANJI = 25;
 
  /**
   * The virtual key VK_ALPHANUMERIC.
   *
   * @since 1.2
   */
  public static final int VK_ALPHANUMERIC = 240;
 
  /**
   * The virtual key VK_KATAKANA.
   *
   * @since 1.2
   */
  public static final int VK_KATAKANA = 241;
 
  /**
   * The virtual key VK_HIRAGANA.
   *
   * @since 1.2
   */
  public static final int VK_HIRAGANA = 242;
 
  /**
   * The virtual key VK_FULL_WIDTH.
   *
   * @since 1.2
   */
  public static final int VK_FULL_WIDTH = 243;
 
  /**
   * The virtual key VK_HALF_WIDTH.
   *
   * @since 1.2
   */
  public static final int VK_HALF_WIDTH = 244;
 
  /**
   * The virtual key VK_ROMAN_CHARACTERS.
   *
   * @since 1.2
   */
  public static final int VK_ROMAN_CHARACTERS = 245;
 
  /**
   * The virtual key VK_ALL_CANDIDATES.
   *
   * @since 1.2
   */
  public static final int VK_ALL_CANDIDATES = 256;
 
  /**
   * The virtual key VK_PREVIOUS_CANDIDATE.
   *
   * @since 1.2
   */
  public static final int VK_PREVIOUS_CANDIDATE = 257;
 
  /**
   * The virtual key VK_CODE_INPUT.
   *
   * @since 1.2
   */
  public static final int VK_CODE_INPUT = 258;
 
  /**
   * The virtual key VK_JAPANESE_KATAKANA.
   *
   * @since 1.2
   */
  public static final int VK_JAPANESE_KATAKANA = 259;
 
  /**
   * The virtual key VK_JAPANESE_HIRAGANA.
   *
   * @since 1.2
   */
  public static final int VK_JAPANESE_HIRAGANA = 260;
 
  /**
   * The virtual key VK_JAPANESE_ROMAN.
   *
   * @since 1.2
   */
  public static final int VK_JAPANESE_ROMAN = 261;
 
  /**
   * The virtual key VK_KANA_LOCK.
   *
   * @since 1.3
   */
  public static final int VK_KANA_LOCK = 262;
 
  /**
   * The virtual key VK_INPUT_METHOD_ON_OFF.
   *
   * @since 1.3
   */
  public static final int VK_INPUT_METHOD_ON_OFF = 263;
 
  /**
   * The virtual key VK_CUT.
   *
   * @since 1.2
   */
  public static final int VK_CUT = 65489;
 
  /**
   * The virtual key VK_COPY.
   *
   * @since 1.2
   */
  public static final int VK_COPY = 65485;
 
  /**
   * The virtual key VK_PASTE.
   *
   * @since 1.2
   */
  public static final int VK_PASTE = 65487;
 
  /**
   * The virtual key VK_UNDO.
   *
   * @since 1.2
   */
  public static final int VK_UNDO = 65483;
 
  /**
   * The virtual key VK_AGAIN.
   *
   * @since 1.2
   */
  public static final int VK_AGAIN = 65481;
 
  /**
   * The virtual key VK_FIND.
   *
   * @since 1.2
   */
  public static final int VK_FIND = 65488;
 
  /**
   * The virtual key VK_PROPS.
   *
   * @since 1.2
   */
  public static final int VK_PROPS = 65482;
 
  /**
   * The virtual key VK_STOP.
   *
   * @since 1.2
   */
  public static final int VK_STOP = 65480;
 
  /**
   * The virtual key VK_COMPOSE.
   *
   * @since 1.2
   */
  public static final int VK_COMPOSE = 65312;
 
  /**
   * The virtual key VK_ALT_GRAPH.
   *
   * @since 1.2
   */
  public static final int VK_ALT_GRAPH = 65406;
 
  /**
   * The virtual key VK_UNDEFINED. This is used for key typed events, which
   * do not have a virtual key.
   */
  public static final int VK_UNDEFINED = 0;
 
  /**
   * The only char with no valid Unicode interpretation. This is used for
   * key pressed and key released events which do not have a valid keyChar.
   */
  public static final char CHAR_UNDEFINED = '\uffff';
 
  /**
   * Indicates unknown or irrelavent key location. This is also used for
   * key typed events, which do not need a location.
   *
   * @since 1.4
   */
  public static final int KEY_LOCATION_UNKNOWN = 0;
 
  /**
   * Indicates a standard key location, with no left/right variants and not
   * on the numeric pad.
   *
   * @since 1.4
   */
  public static final int KEY_LOCATION_STANDARD = 1;
 
  /**
   * Indicates the key is on the left side of the keyboard, such as the left
   * shift.
   *
   * @since 1.4
   */
  public static final int KEY_LOCATION_LEFT = 2;
 
  /**
   * Indicates the key is on the right side of the keyboard, such as the right
   * shift.
   *
   * @since 1.4
   */
  public static final int KEY_LOCATION_RIGHT = 3;
 
  /**
   * Indicates the key is on the numeric pad, such as the numpad 0.
   *
   * @since 1.4
   */
  public static final int KEY_LOCATION_NUMPAD = 4;
 
  /**
   * The code assigned to the physical keyboard location (as adjusted by the
   * keyboard layout). Use the symbolic VK_* names instead of numbers.
   *
   * @see #getKeyCode()
   * @serial the VK_ code for this key
  */
  private int keyCode;
 
  /**
   * The Unicode character produced by the key type event. This has no meaning
   * for key pressed and key released events.
   *
   * @see #getKeyChar()
   * @serial the Unicode value for this key
   */
  private char keyChar;
 
  /**
   * The keyboard location of the key. One of {@link #KEY_LOCATION_UNKNOWN},
   * {@link #KEY_LOCATION_STANDARD}, {@link #KEY_LOCATION_LEFT},
   * {@link #KEY_LOCATION_RIGHT}, or {@link #KEY_LOCATION_NUMPAD}.
   *
   * @see #getKeyLocation()
   * @serial the key location
   * @since 1.4
   */
  private final int keyLocation;
 
  /**
   * Stores the state of the native event dispatching system, to correctly
   * dispatch in Component#dispatchEventImpl when a proxy is active.
   *
   * XXX Does this matter in Classpath?
   *
   * @serial whether the proxy is active
   */
  private boolean isProxyActive;
 
 
  /**
   * Initializes a new instance of <code>KeyEvent</code> with the specified
   * information. Note that an invalid id leads to unspecified results.
   *
   * @param source the component that generated this event
   * @param id the event id
   * @param when the timestamp when the even occurred
   * @param modifiers the modifier keys during the event, in old or new style
   * @param keyCode the integer constant for the virtual key type
   * @param keyChar the Unicode value of the key
   * @param keyLocation the location of the key
   * @throws IllegalArgumentException if source is null, if keyLocation is
   *         invalid, or if (id == KEY_TYPED && (keyCode != VK_UNDEFINED
   *         || keyChar == CHAR_UNDEFINED))
   */
  public KeyEvent(Component source, int id, long when, int modifiers,
                  int keyCode, char keyChar, int keyLocation)
  {
    super(source, id, when, modifiers);
    this.keyCode = keyCode;
    this.keyChar = keyChar;
    this.keyLocation = keyLocation;
    if ((id == KEY_TYPED && (keyCode != VK_UNDEFINED
                             || keyChar == CHAR_UNDEFINED))
        || keyLocation < KEY_LOCATION_UNKNOWN
        || keyLocation > KEY_LOCATION_NUMPAD)
      throw new IllegalArgumentException();
  }
 
  /**
   * Initializes a new instance of <code>KeyEvent</code> with the specified
   * information. Note that an invalid id leads to unspecified results.
   *
   * @param source the component that generated this event
   * @param id the event id
   * @param when the timestamp when the even occurred
   * @param modifiers the modifier keys during the event, in old or new style
   * @param keyCode the integer constant for the virtual key type
   * @param keyChar the Unicode value of the key
   * @throws IllegalArgumentException if source is null, or if
   *         (id == KEY_TYPED && (keyCode != VK_UNDEFINED
   *         || keyChar == CHAR_UNDEFINED))
   */
  public KeyEvent(Component source, int id, long when, int modifiers,
                  int keyCode, char keyChar)
  {
    this(source, id, when, modifiers, keyCode, keyChar, KEY_LOCATION_UNKNOWN);
  }
 
  /**
   * Initializes a new instance of <code>KeyEvent</code> with the specified
   * information. Note that an invalid id leads to unspecified results.
   *
   * @param source the component that generated this event
   * @param id the event id
   * @param when the timestamp when the even occurred
   * @param modifiers the modifier keys during the event, in old or new style
   * @param keyCode the integer constant for the virtual key type
   * @throws IllegalArgumentException if source is null, or if
   *         id == KEY_TYPED but keyCode != VK_UNDEFINED
   *
   * @deprecated
   */
  public KeyEvent(Component source, int id, long when, int modifiers,
                  int keyCode)
  {
    this(source, id, when, modifiers, keyCode, '\0', KEY_LOCATION_UNKNOWN);
  }
 
  /**
   * Returns the key code for the event key.  This will be one of the
   * <code>VK_*</code> constants defined in this class. If the event type is
   * KEY_TYPED, the result will be VK_UNDEFINED.
   *
   * @return the key code for this event
   */
  public int getKeyCode()
  {
    return keyCode;
  }
 
  /**
   * Sets the key code for this event.  This must be one of the
   * <code>VK_*</code> constants defined in this class.
   *
   * @param keyCode the new key code for this event
   */
  public void setKeyCode(int keyCode)
  {
    this.keyCode = keyCode;
  }
 
  /**
   * Returns the Unicode value for the event key.  This will be
   * <code>CHAR_UNDEFINED</code> if there is no Unicode equivalent for
   * this key, usually when this is a KEY_PRESSED or KEY_RELEASED event.
   *
   * @return the Unicode character for this event
   */
  public char getKeyChar()
  {
    return keyChar;
  }
 
  /**
   * Sets the Unicode character for this event to the specified value.
   *
   * @param keyChar the new Unicode character for this event
   */
  public void setKeyChar(char keyChar)
  {
    this.keyChar = keyChar;
  }
 
  /**
   * Sets the modifier keys to the specified value. This should be a union
   * of the bit mask constants from <code>InputEvent</code>. The use of this
   * method is not recommended, particularly for KEY_TYPED events, which do
   * not check if the modifiers were changed.
   *
   * @param modifiers the new modifier value, in either old or new style
   * @see InputEvent
   *
   * @deprecated
   */
  public void setModifiers(int modifiers)
  {
    this.modifiers = EventModifier.extend(modifiers);
  }
 
  /**
   * Returns the keyboard location of the key that generated this event. This
   * provides a way to distinguish between keys like left and right shift
   * which share a common key code. The result will be one of
   * {@link #KEY_LOCATION_UNKNOWN}, {@link #KEY_LOCATION_STANDARD},
   * {@link #KEY_LOCATION_LEFT}, {@link #KEY_LOCATION_RIGHT}, or
   * {@link #KEY_LOCATION_NUMPAD}.
   *
   * @return the key location
   * @since 1.4
   */
  public int getKeyLocation()
  {
    return keyLocation;
  }
 
  /**
   * Returns the text name of key code, such as "HOME", "F1", or "A".
   *
   * XXX Sun claims this can be localized via the awt.properties file - how
   * do we implement that?
   *
   * @return the text name of the key code
   */
  public static String getKeyText(int keyCode)
  {
    switch (keyCode)
      {
      case VK_CANCEL:
        return "Cancel";
      case VK_BACK_SPACE:
        return "Backspace";
      case VK_TAB:
        return "Tab";
      case VK_ENTER:
        return "Enter";
      case VK_CLEAR:
        return "Clear";
      case VK_SHIFT:
        return "Shift";
      case VK_CONTROL:
        return "Ctrl";
      case VK_ALT:
        return "Alt";
      case VK_PAUSE:
        return "Pause";
      case VK_CAPS_LOCK:
        return "Caps Lock";
      case VK_KANA:
        return "Kana";
      case VK_FINAL:
        return "Final";
      case VK_KANJI:
        return "Kanji";
      case VK_ESCAPE:
        return "Escape";
      case VK_CONVERT:
        return "Convert";
      case VK_NONCONVERT:
        return "No Convert";
      case VK_ACCEPT:
        return "Accept";
      case VK_MODECHANGE:
        return "Mode Change";
      case VK_SPACE:
        return "Space";
      case VK_PAGE_UP:
        return "Page Up";
      case VK_PAGE_DOWN:
        return "Page Down";
      case VK_END:
        return "End";
      case VK_HOME:
        return "Home";
      case VK_LEFT:
      case VK_KP_LEFT:
        return "Left";
      case VK_UP:
      case VK_KP_UP:
        return "Up";
      case VK_RIGHT:
      case VK_KP_RIGHT:
        return "Right";
      case VK_DOWN:
      case VK_KP_DOWN:
        return "Down";
      case VK_MINUS:
        return "Minus";
      case VK_MULTIPLY:
        return "NumPad *";
      case VK_ADD:
        return "NumPad +";
      case VK_SEPARATOR:
        return "NumPad ,";
      case VK_SUBTRACT:
        return "NumPad -";
      case VK_DECIMAL:
        return "NumPad .";
      case VK_DIVIDE:
        return "NumPad /";
      case VK_DELETE:
        return "Delete";
      case VK_DEAD_GRAVE:
        return "Dead Grave";
      case VK_DEAD_ACUTE:
        return "Dead Acute";
      case VK_DEAD_CIRCUMFLEX:
        return "Dead Circumflex";
      case VK_DEAD_TILDE:
        return "Dead Tilde";
      case VK_DEAD_MACRON:
        return "Dead Macron";
      case VK_DEAD_BREVE:
        return "Dead Breve";
      case VK_DEAD_ABOVEDOT:
        return "Dead Above Dot";
      case VK_DEAD_DIAERESIS:
        return "Dead Diaeresis";
      case VK_DEAD_ABOVERING:
        return "Dead Above Ring";
      case VK_DEAD_DOUBLEACUTE:
        return "Dead Double Acute";
      case VK_DEAD_CARON:
        return "Dead Caron";
      case VK_DEAD_CEDILLA:
        return "Dead Cedilla";
      case VK_DEAD_OGONEK:
        return "Dead Ogonek";
      case VK_DEAD_IOTA:
        return "Dead Iota";
      case VK_DEAD_VOICED_SOUND:
        return "Dead Voiced Sound";
      case VK_DEAD_SEMIVOICED_SOUND:
        return "Dead Semivoiced Sound";
      case VK_NUM_LOCK:
        return "Num Lock";
      case VK_SCROLL_LOCK:
        return "Scroll Lock";
      case VK_AMPERSAND:
        return "Ampersand";
      case VK_ASTERISK:
        return "Asterisk";
      case VK_QUOTEDBL:
        return "Double Quote";
      case VK_LESS:
        return "Less";
      case VK_PRINTSCREEN:
        return "Print Screen";
      case VK_INSERT:
        return "Insert";
      case VK_HELP:
        return "Help";
      case VK_META:
        return "Meta";
      case VK_GREATER:
        return "Greater";
      case VK_BRACELEFT:
        return "Left Brace";
      case VK_BRACERIGHT:
        return "Right Brace";
      case VK_BACK_QUOTE:
        return "Back Quote";
      case VK_QUOTE:
        return "Quote";
      case VK_ALPHANUMERIC:
        return "Alphanumeric";
      case VK_KATAKANA:
        return "Katakana";
      case VK_HIRAGANA:
        return "Hiragana";
      case VK_FULL_WIDTH:
        return "Full-Width";
      case VK_HALF_WIDTH:
        return "Half-Width";
      case VK_ROMAN_CHARACTERS:
        return "Roman Characters";
      case VK_ALL_CANDIDATES:
        return "All Candidates";
      case VK_PREVIOUS_CANDIDATE:
        return "Previous Candidate";
      case VK_CODE_INPUT:
        return "Code Input";
      case VK_JAPANESE_KATAKANA:
        return "Japanese Katakana";
      case VK_JAPANESE_HIRAGANA:
        return "Japanese Hiragana";
      case VK_JAPANESE_ROMAN:
        return "Japanese Roman";
      case VK_KANA_LOCK:
        return "Kana Lock";
      case VK_INPUT_METHOD_ON_OFF:
        return "Input Method On/Off";
      case VK_AT:
        return "At";
      case VK_COLON:
        return "Colon";
      case VK_CIRCUMFLEX:
        return "Circumflex";
      case VK_DOLLAR:
        return "Dollar";
      case VK_EURO_SIGN:
        return "Euro";
      case VK_EXCLAMATION_MARK:
        return "Exclamation Mark";
      case VK_INVERTED_EXCLAMATION_MARK:
        return "Inverted Exclamation Mark";
      case VK_LEFT_PARENTHESIS:
        return "Left Parenthesis";
      case VK_NUMBER_SIGN:
        return "Number Sign";
      case VK_PLUS:
        return "Plus";
      case VK_RIGHT_PARENTHESIS:
        return "Right Parenthesis";
      case VK_UNDERSCORE:
        return "Underscore";
      case VK_COMPOSE:
        return "Compose";
      case VK_ALT_GRAPH:
        return "Alt Graph";
      case VK_STOP:
        return "Stop";
      case VK_AGAIN:
        return "Again";
      case VK_PROPS:
        return "Props";
      case VK_UNDO:
        return "Undo";
      case VK_COPY:
        return "Copy";
      case VK_PASTE:
        return "Paste";
      case VK_FIND:
        return "Find";
      case VK_CUT:
        return "Cut";
      case VK_COMMA:
      case VK_PERIOD:
      case VK_SLASH:
      case VK_0:
      case VK_1:
      case VK_2:
      case VK_3:
      case VK_4:
      case VK_5:
      case VK_6:
      case VK_7:
      case VK_8:
      case VK_9:
      case VK_SEMICOLON:
      case VK_EQUALS:
      case VK_A:
      case VK_B:
      case VK_C:
      case VK_D:
      case VK_E:
      case VK_F:
      case VK_G:
      case VK_H:
      case VK_I:
      case VK_J:
      case VK_K:
      case VK_L:
      case VK_M:
      case VK_N:
      case VK_O:
      case VK_P:
      case VK_Q:
      case VK_R:
      case VK_S:
      case VK_T:
      case VK_U:
      case VK_V:
      case VK_W:
      case VK_X:
      case VK_Y:
      case VK_Z:
      case VK_OPEN_BRACKET:
      case VK_BACK_SLASH:
      case VK_CLOSE_BRACKET:
        return "" + (char) keyCode;
      case VK_NUMPAD0:
      case VK_NUMPAD1:
      case VK_NUMPAD2:
      case VK_NUMPAD3:
      case VK_NUMPAD4:
      case VK_NUMPAD5:
      case VK_NUMPAD6:
      case VK_NUMPAD7:
      case VK_NUMPAD8:
      case VK_NUMPAD9:
        return "NumPad-" + (keyCode - VK_NUMPAD0);
      case VK_F1:
      case VK_F2:
      case VK_F3:
      case VK_F4:
      case VK_F5:
      case VK_F6:
      case VK_F7:
      case VK_F8:
      case VK_F9:
      case VK_F10:
      case VK_F11:
      case VK_F12:
        return "F" + (keyCode - (VK_F1 - 1));
      case VK_F13:
      case VK_F14:
      case VK_F15:
      case VK_F16:
      case VK_F17:
      case VK_F18:
      case VK_F19:
      case VK_F20:
      case VK_F21:
      case VK_F22:
      case VK_F23:
      case VK_F24:
        return "F" + (keyCode - (VK_F13 - 13));
      default:
        // This is funky on negative numbers, but that's Sun's fault.
        return "Unknown keyCode: 0x" + (keyCode < 0 ? "-" : "")
          + Integer.toHexString(Math.abs(keyCode));
      }
  }
 
  /**
   * Returns a string describing the modifiers, such as "Shift" or
   * "Ctrl+Button1".
   *
   * XXX Sun claims this can be localized via the awt.properties file - how
   * do we implement that?
   *
   * @param modifiers the old-style modifiers to convert to text
   * @return a string representation of the modifiers in this bitmask
   */
  public static String getKeyModifiersText(int modifiers)
  {
    return getModifiersExText(EventModifier.extend(modifiers
                                                   & EventModifier.OLD_MASK));
  }
 
  /**
   * Tests whether or not this key is an action key. An action key typically
   * does not fire a KEY_TYPED event, and is not a modifier.
   *
   * @return true if this is an action key
   */
  public boolean isActionKey()
  {
    switch (keyCode)
      {
      case VK_PAUSE:
      case VK_CAPS_LOCK:
      case VK_KANA:
      case VK_FINAL:
      case VK_KANJI:
      case VK_CONVERT:
      case VK_NONCONVERT:
      case VK_ACCEPT:
      case VK_MODECHANGE:
      case VK_PAGE_UP:
      case VK_PAGE_DOWN:
      case VK_END:
      case VK_HOME:
      case VK_LEFT:
      case VK_UP:
      case VK_RIGHT:
      case VK_DOWN:
      case VK_F1:
      case VK_F2:
      case VK_F3:
      case VK_F4:
      case VK_F5:
      case VK_F6:
      case VK_F7:
      case VK_F8:
      case VK_F9:
      case VK_F10:
      case VK_F11:
      case VK_F12:
      case VK_NUM_LOCK:
      case VK_SCROLL_LOCK:
      case VK_PRINTSCREEN:
      case VK_INSERT:
      case VK_HELP:
      case VK_KP_UP:
      case VK_KP_DOWN:
      case VK_KP_LEFT:
      case VK_KP_RIGHT:
      case VK_ALPHANUMERIC:
      case VK_KATAKANA:
      case VK_HIRAGANA:
      case VK_FULL_WIDTH:
      case VK_HALF_WIDTH:
      case VK_ROMAN_CHARACTERS:
      case VK_ALL_CANDIDATES:
      case VK_PREVIOUS_CANDIDATE:
      case VK_CODE_INPUT:
      case VK_JAPANESE_KATAKANA:
      case VK_JAPANESE_HIRAGANA:
      case VK_JAPANESE_ROMAN:
      case VK_KANA_LOCK:
      case VK_INPUT_METHOD_ON_OFF:
      case VK_F13:
      case VK_F14:
      case VK_F15:
      case VK_F16:
      case VK_F17:
      case VK_F18:
      case VK_F19:
      case VK_F20:
      case VK_F21:
      case VK_F22:
      case VK_F23:
      case VK_F24:
      case VK_STOP:
      case VK_AGAIN:
      case VK_PROPS:
      case VK_UNDO:
      case VK_COPY:
      case VK_PASTE:
      case VK_FIND:
      case VK_CUT:
        return true;
      default:
        return false;
      }
  }
 
  /**
   * Returns a string identifying the event.  This is formatted as the
   * field name of the id type, followed by the keyCode, then the
   * keyChar, modifiers (if any), extModifiers (if any), and
   * keyLocation.
   *
   * @return a string identifying the event
   */
  public String paramString()
  {
    StringBuffer s = new StringBuffer();
 
    switch (id)
      {
      case KEY_PRESSED:
        s.append("KEY_PRESSED");
        break;
      case KEY_RELEASED:
        s.append("KEY_RELEASED");
        break;
      case KEY_TYPED:
        s.append("KEY_TYPED");
        break;
      default:
        s.append("unknown type");
      }
 
    s.append(",keyCode=").append(keyCode);
 
    s.append(",keyText=").append(getKeyText(keyCode));
 
    s.append(",keyChar=");
    if (isActionKey()
        || keyCode == VK_SHIFT
        || keyCode == VK_CONTROL
        || keyCode == VK_ALT)
      s.append("Undefined keyChar");
    else
      {
        /* This output string must be selected by examining keyChar
         * rather than keyCode, because key code information is not
         * included in KEY_TYPED events.
         */
        if (keyChar == VK_BACK_SPACE
            || keyChar == VK_TAB
            || keyChar == VK_ENTER
            || keyChar == VK_ESCAPE
            || keyChar == VK_DELETE)
          s.append(getKeyText(keyChar));
        else
          s.append("'").append(keyChar).append("'");
      }
 
    if ((modifiers & CONVERT_MASK) != 0)
      s.append(",modifiers=").append(getModifiersExText(modifiers
                                                        & CONVERT_MASK));
    if (modifiers != 0)
      s.append(",extModifiers=").append(getModifiersExText(modifiers));
 
    s.append(",keyLocation=KEY_LOCATION_");
    switch (keyLocation)
      {
      case KEY_LOCATION_UNKNOWN:
        s.append("UNKNOWN");
        break;
      case KEY_LOCATION_STANDARD:
        s.append("STANDARD");
        break;
      case KEY_LOCATION_LEFT:
        s.append("LEFT");
        break;
      case KEY_LOCATION_RIGHT:
        s.append("RIGHT");
        break;
      case KEY_LOCATION_NUMPAD:
        s.append("NUMPAD");
      }
 
    return s.toString();
  }
 
  /**
   * Reads in the object from a serial stream.
   *
   * @param s the stream to read from
   * @throws IOException if deserialization fails
   * @throws ClassNotFoundException if deserialization fails
   * @serialData default, except that the modifiers are converted to new style
   */
  private void readObject(ObjectInputStream s)
    throws IOException, ClassNotFoundException
  {
    s.defaultReadObject();
    modifiersEx = EventModifier.extend(modifiers) & EventModifier.NEW_MASK;
  }
} // class KeyEvent
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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libjava/] [classpath/] [java/] [awt/] [event/] [KeyEvent.java] - Blame information for rev 14

Line No.	Rev	Author	Line
1	14	jlechner	`/* KeyEvent.java -- event for key presses`
2			`Copyright (C) 1999, 2002, 2004, 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