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/*
 * Copyright 2008 Google Inc.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.gwt.event.dom.client;

/**
 * Contains the native key codes previously defined in
 * {@link com.google.gwt.user.client.ui.KeyboardListener}. When converting
 * keyboard listener instances, developers can use the following static import
 * to access these constants:
 * 
 * 
 import static com.google.gwt.event.dom.client.KeyCodes.*; 
* * These constants are defined with an int data type in order to be compatible * with the constants defined in * {@link com.google.gwt.user.client.ui.KeyboardListener}. */ public class KeyCodes { /** * Key code for A */ public static final int KEY_A = 65; /** * Key code for B */ public static final int KEY_B = 66; /** * Key code for C */ public static final int KEY_C = 67; /** * Key code for D */ public static final int KEY_D = 68; /** * Key code for E */ public static final int KEY_E = 69; /** * Key code for F */ public static final int KEY_F = 70; /** * Key code for G */ public static final int KEY_G = 71; /** * Key code for H */ public static final int KEY_H = 72; /** * Key code for I */ public static final int KEY_I = 73; /** * Key code for J */ public static final int KEY_J = 74; /** * Key code for K */ public static final int KEY_K = 75; /** * Key code for L */ public static final int KEY_L = 76; /** * Key code for M */ public static final int KEY_M = 77; /** * Key code for N */ public static final int KEY_N = 78; /** * Key code for O */ public static final int KEY_O = 79; /** * Key code for P */ public static final int KEY_P = 80; /** * Key code for Q */ public static final int KEY_Q = 81; /** * Key code for R */ public static final int KEY_R = 82; /** * Key code for S */ public static final int KEY_S = 83; /** * Key code for T */ public static final int KEY_T = 84; /** * Key code for U */ public static final int KEY_U = 85; /** * Key code for V */ public static final int KEY_V = 86; /** * Key code for W */ public static final int KEY_W = 87; /** * Key code for X */ public static final int KEY_X = 88; /** * Key code for Y */ public static final int KEY_Y = 89; /** * Key code for Z */ public static final int KEY_Z = 90; /** * Key code number 0 */ public static final int KEY_ZERO = 48; /** * Key code number 1 */ public static final int KEY_ONE = 49; /** * Key code number 2 */ public static final int KEY_TWO = 50; /** * Key code number 3 */ public static final int KEY_THREE = 51; /** * Key code number 4 */ public static final int KEY_FOUR = 52; /** * Key code number 5 */ public static final int KEY_FIVE = 53; /** * Key code number 6 */ public static final int KEY_SIX = 54; /** * Key code number 7 */ public static final int KEY_SEVEN = 55; /** * Key code number 8 */ public static final int KEY_EIGHT = 56; /** * Key code number 9 */ public static final int KEY_NINE = 57; /** * Key code for number 0 on numeric keyboard */ public static final int KEY_NUM_ZERO = 96; /** * Key code for number 1 on numeric keyboard */ public static final int KEY_NUM_ONE = 97; /** * Key code for number 2 on numeric keyboard */ public static final int KEY_NUM_TWO = 98; /** * Key code for number 3 on numeric keyboard */ public static final int KEY_NUM_THREE = 99; /** * Key code for number 4 on numeric keyboard */ public static final int KEY_NUM_FOUR = 100; /** * Key code for number 5 on numeric keyboard */ public static final int KEY_NUM_FIVE = 101; /** * Key code for number 6 on numeric keyboard */ public static final int KEY_NUM_SIX = 102; /** * Key code for number 7 on numeric keyboard */ public static final int KEY_NUM_SEVEN = 103; /** * Key code for number 8 on numeric keyboard */ public static final int KEY_NUM_EIGHT = 104; /** * Key code for number 9 on numeric keyboard */ public static final int KEY_NUM_NINE = 105; /** * Key code for multiply on numeric keyboard */ public static final int KEY_NUM_MULTIPLY = 106; /** * Key code for plus on numeric keyboard */ public static final int KEY_NUM_PLUS = 107; /** * Key code for minus on numeric keyboard */ public static final int KEY_NUM_MINUS = 109; /** * Key code for period on numeric keyboard */ public static final int KEY_NUM_PERIOD = 110; /** * Key code for division on numeric keyboard */ public static final int KEY_NUM_DIVISION = 111; /** * Alt key code. */ public static final int KEY_ALT = 18; /** * Backspace key code. */ public static final int KEY_BACKSPACE = 8; /** * Control key code. */ public static final int KEY_CTRL = 17; /** * Delete key code (also numeric keypad delete). */ public static final int KEY_DELETE = 46; /** * Down arrow code (Also numeric keypad down). */ public static final int KEY_DOWN = 40; /** * End key code (Also numeric keypad south west). */ public static final int KEY_END = 35; /** * Enter key code. */ public static final int KEY_ENTER = 13; /** * Escape key code. */ public static final int KEY_ESCAPE = 27; /** * Home key code (Also numeric keypad north west). */ public static final int KEY_HOME = 36; /** * Left key code (Also numeric keypad west). */ public static final int KEY_LEFT = 37; /** * Page down key code (Also numeric keypad south east). */ public static final int KEY_PAGEDOWN = 34; /** * Page up key code (Also numeric keypad north east). */ public static final int KEY_PAGEUP = 33; /** * Right arrow key code (Also numeric keypad east). */ public static final int KEY_RIGHT = 39; /** * Shift key code. */ public static final int KEY_SHIFT = 16; /** * Tab key code. */ public static final int KEY_TAB = 9; /** * Up Arrow key code (Also numeric keypad north). */ public static final int KEY_UP = 38; /** * Key code for F1 */ public static final int KEY_F1 = 112; /** * Key code for F2 */ public static final int KEY_F2 = 113; /** * Key code for F3 */ public static final int KEY_F3 = 114; /** * Key code for F4 */ public static final int KEY_F4 = 115; /** * Key code for F5 */ public static final int KEY_F5 = 116; /** * Key code for F6 */ public static final int KEY_F6 = 117; /** * Key code for F7 */ public static final int KEY_F7 = 118; /** * Key code for F8 */ public static final int KEY_F8 = 119; /** * Key code for F9 */ public static final int KEY_F9 = 120; /** * Key code for F10 */ public static final int KEY_F10 = 121; /** * Key code for F11 */ public static final int KEY_F11 = 122; /** * Key code for F12 */ public static final int KEY_F12 = 123; /** * Key code for Windows key on Firefox Linux */ public static final int KEY_WIN_KEY_FF_LINUX = 0; /** * Key code for Mac enter key */ public static final int KEY_MAC_ENTER = 3; /** * Key code for pause key */ public static final int KEY_PAUSE = 19; /** * Key code for caps lock key */ public static final int KEY_CAPS_LOCK = 20; /** * Key code for space */ public static final int KEY_SPACE = 32; /** * Key code for print key */ public static final int KEY_PRINT_SCREEN = 44; /** * Key code for insert key (Also numeric keyboard insert). */ public static final int KEY_INSERT = 45; // also NUM_INSERT /** * Key code for insert key (Also num lock on FF,Safari Mac). */ public static final int KEY_NUM_CENTER = 12; /** * Key code for left windows key. */ public static final int KEY_WIN_KEY = 224; /** * Key code for left windows key or meta. */ public static final int KEY_WIN_KEY_LEFT_META = 91; /** * Key code for right windows key. */ public static final int KEY_WIN_KEY_RIGHT = 92; /** * Key code for context menu key. */ public static final int KEY_CONTEXT_MENU = 93; /** * Key code for {@link KeyCodes#KEY_WIN_KEY_LEFT_META} that Firefox fires * for the meta key. */ public static final int KEY_MAC_FF_META = 224; // Firefox (Gecko) fires this for the meta key instead of 91 /** * Key code for num lock. */ public static final int KEY_NUMLOCK = 144; /** * Key code for scroll lock. */ public static final int KEY_SCROLL_LOCK = 145; /** * Key code for first OS specific media key (like volume). */ public static final int KEY_FIRST_MEDIA_KEY = 166; /** * Key code for last OS specific media key (like volume). */ public static final int KEY_LAST_MEDIA_KEY = 183; /** * Key code for IME. */ public static final int KEY_WIN_IME = 229; /** * Determines if a key code is an arrow key. */ public static boolean isArrowKey(int code) { switch (code) { case KEY_DOWN: case KEY_RIGHT: case KEY_UP: case KEY_LEFT: return true; default: return false; } } /** * Update arrow keys for left and right based on current locale. * *

Note: this method is used internally by built-in GWT widgets but * could be renamed/refactored without notice. *

This method simplifies RTL handling in your code: *

   * int keyCode = KeyCodes.maybeSwapArrowKeysForRtl(event.getKeyCode(),
   *   LocaleInfo.getCurrentLocale().isRTL());
   * switch (keyCode) {
   *   case KeyCodes.KEY_LEFT:
   *     ... // start of the line, no special RTL handling
   *     break;
   *   case KeyCodes.KEY_RIGHT:
   *     ... // end of the line, no special RTL handling
   *     break;
   *   ...
   *   }
   * 
*/ public static int maybeSwapArrowKeysForRtl(int code, boolean isRtl) { if (isRtl) { if (code == KEY_RIGHT) { code = KEY_LEFT; } else if (code == KEY_LEFT) { code = KEY_RIGHT; } } return code; } // This class should never be instantiated private KeyCodes() { } }




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