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Add keycode utils to reference keycodes via an enum (#2814)
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Sam El-Husseini
GitHub
177
core/utils/keycodes.js
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177
core/utils/keycodes.js
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/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2019 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Constant declarations for common key codes.
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* These methods are not specific to Blockly, and could be factored out into
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* a JavaScript framework such as Closure.
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* @author samelh@google.com (Sam El-Husseini)
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*/
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'use strict';
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goog.provide('Blockly.utils.KeyCodes');
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/**
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* Key codes for common characters.
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*
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* Copied from Closure's goog.events.KeyCodes
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*
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* This list is not localized and therefore some of the key codes are not
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* correct for non US keyboard layouts. See comments below.
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*
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* @enum {number}
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*/
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Blockly.utils.KeyCodes = {
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WIN_KEY_FF_LINUX: 0,
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MAC_ENTER: 3,
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BACKSPACE: 8,
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TAB: 9,
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NUM_CENTER: 12, // NUMLOCK on FF/Safari Mac
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ENTER: 13,
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SHIFT: 16,
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CTRL: 17,
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ALT: 18,
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PAUSE: 19,
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CAPS_LOCK: 20,
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ESC: 27,
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SPACE: 32,
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PAGE_UP: 33, // also NUM_NORTH_EAST
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PAGE_DOWN: 34, // also NUM_SOUTH_EAST
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END: 35, // also NUM_SOUTH_WEST
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HOME: 36, // also NUM_NORTH_WEST
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LEFT: 37, // also NUM_WEST
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UP: 38, // also NUM_NORTH
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RIGHT: 39, // also NUM_EAST
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DOWN: 40, // also NUM_SOUTH
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PLUS_SIGN: 43, // NOT numpad plus
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PRINT_SCREEN: 44,
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INSERT: 45, // also NUM_INSERT
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DELETE: 46, // also NUM_DELETE
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ZERO: 48,
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ONE: 49,
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TWO: 50,
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THREE: 51,
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FOUR: 52,
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FIVE: 53,
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SIX: 54,
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SEVEN: 55,
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EIGHT: 56,
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NINE: 57,
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FF_SEMICOLON: 59, // Firefox (Gecko) fires this for semicolon instead of 186
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FF_EQUALS: 61, // Firefox (Gecko) fires this for equals instead of 187
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FF_DASH: 173, // Firefox (Gecko) fires this for dash instead of 189
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// Firefox (Gecko) fires this for # on UK keyboards, rather than
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// Shift+SINGLE_QUOTE.
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FF_HASH: 163,
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QUESTION_MARK: 63, // needs localization
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AT_SIGN: 64,
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A: 65,
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B: 66,
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C: 67,
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D: 68,
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E: 69,
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F: 70,
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G: 71,
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H: 72,
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I: 73,
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J: 74,
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K: 75,
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L: 76,
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M: 77,
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N: 78,
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O: 79,
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P: 80,
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Q: 81,
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R: 82,
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S: 83,
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T: 84,
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U: 85,
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V: 86,
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W: 87,
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X: 88,
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Y: 89,
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Z: 90,
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META: 91, // WIN_KEY_LEFT
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WIN_KEY_RIGHT: 92,
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CONTEXT_MENU: 93,
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NUM_ZERO: 96,
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NUM_ONE: 97,
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NUM_TWO: 98,
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NUM_THREE: 99,
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NUM_FOUR: 100,
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NUM_FIVE: 101,
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NUM_SIX: 102,
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NUM_SEVEN: 103,
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NUM_EIGHT: 104,
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NUM_NINE: 105,
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NUM_MULTIPLY: 106,
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NUM_PLUS: 107,
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NUM_MINUS: 109,
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NUM_PERIOD: 110,
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NUM_DIVISION: 111,
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F1: 112,
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F2: 113,
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F3: 114,
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F4: 115,
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F5: 116,
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F6: 117,
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F7: 118,
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F8: 119,
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F9: 120,
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F10: 121,
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F11: 122,
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F12: 123,
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NUMLOCK: 144,
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SCROLL_LOCK: 145,
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// OS-specific media keys like volume controls and browser controls.
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FIRST_MEDIA_KEY: 166,
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LAST_MEDIA_KEY: 183,
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SEMICOLON: 186, // needs localization
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DASH: 189, // needs localization
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EQUALS: 187, // needs localization
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COMMA: 188, // needs localization
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PERIOD: 190, // needs localization
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SLASH: 191, // needs localization
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APOSTROPHE: 192, // needs localization
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TILDE: 192, // needs localization
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SINGLE_QUOTE: 222, // needs localization
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OPEN_SQUARE_BRACKET: 219, // needs localization
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BACKSLASH: 220, // needs localization
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CLOSE_SQUARE_BRACKET: 221, // needs localization
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WIN_KEY: 224,
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MAC_FF_META:
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224, // Firefox (Gecko) fires this for the meta key instead of 91
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MAC_WK_CMD_LEFT: 91, // WebKit Left Command key fired, same as META
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MAC_WK_CMD_RIGHT: 93, // WebKit Right Command key fired, different from META
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WIN_IME: 229,
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// "Reserved for future use". Some programs (e.g. the SlingPlayer 2.4 ActiveX
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// control) fire this as a hacky way to disable screensavers.
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VK_NONAME: 252,
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// We've seen users whose machines fire this keycode at regular one
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// second intervals. The common thread among these users is that
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// they're all using Dell Inspiron laptops, so we suspect that this
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// indicates a hardware/bios problem.
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// http://en.community.dell.com/support-forums/laptop/f/3518/p/19285957/19523128.aspx
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PHANTOM: 255
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};
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