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keyboard.js
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
/**
* Provides cross-browser and cross-keyboard keyboard for a specific element.
* Browser and keyboard layout variation is abstracted away, providing events
* which represent keys as their corresponding X11 keysym.
*
* @constructor
* @param {Element} element The Element to use to provide keyboard events.
*/
Keyboard = function(element) {
/**
* Reference to this Keyboard.
* @private
*/
var guac_keyboard = this;
/**
* Fired whenever the user presses a key with the element associated
* with this Keyboard in focus.
*
* @event
* @param {Number} keysym The keysym of the key being pressed.
* @param {String} modifier_state The string representation of
* all active modifiers.
* @return {Boolean} true if the key event should be allowed through to the
* browser, false otherwise.
*/
this.onkeydown = null;
/**
* Fired whenever the user releases a key with the element associated
* with this Keyboard in focus.
*
* @event
* @param {Number} keysym The keysym of the key being released.
* @param {String} modifier_state The string representation of
* all active modifiers.
*/
this.onkeyup = null;
/**
* A key event having a corresponding timestamp. This event is non-specific.
* Its subclasses should be used instead when recording specific key
* events.
*
* @private
* @constructor
*/
var KeyEvent = function() {
/**
* Reference to this key event.
*/
var key_event = this;
/**
* An arbitrary timestamp in milliseconds, indicating this event's
* position in time relative to other events.
*
* @type {Number}
*/
this.timestamp = new Date().getTime();
/**
* Whether the default action of this key event should be prevented.
*
* @type {Boolean}
*/
this.defaultPrevented = false;
/**
* The keysym of the key associated with this key event, as determined
* by a best-effort guess using available event properties and keyboard
* state.
*
* @type {Number}
*/
this.keysym = null;
/**
* Whether the keysym value of this key event is known to be reliable.
* If false, the keysym may still be valid, but it's only a best guess,
* and future key events may be a better source of information.
*
* @type {Boolean}
*/
this.reliable = false;
/**
* Returns the number of milliseconds elapsed since this event was
* received.
*
* @return {Number} The number of milliseconds elapsed since this
* event was received.
*/
this.getAge = function() {
return new Date().getTime() - key_event.timestamp;
};
};
/**
* Information related to the pressing of a key, which need not be a key
* associated with a printable character. The presence or absence of any
* information within this object is browser-dependent.
*
* @private
* @constructor
* @augments Keyboard.KeyEvent
* @param {Number} keyCode The JavaScript key code of the key pressed.
* @param {String} keyIdentifier The legacy DOM3 "keyIdentifier" of the key
* pressed, as defined at:
* http://www.w3.org/TR/2009/WD-DOM-Level-3-Events-20090908/#events-Events-KeyboardEvent
* @param {String} key The standard name of the key pressed, as defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
* @param {Number} location The location on the keyboard corresponding to
* the key pressed, as defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
*/
var KeydownEvent = function(keyCode, keyIdentifier, key, location) {
// We extend KeyEvent
KeyEvent.apply(this);
/**
* The JavaScript key code of the key pressed.
*
* @type {Number}
*/
this.keyCode = keyCode;
/**
* The legacy DOM3 "keyIdentifier" of the key pressed, as defined at:
* http://www.w3.org/TR/2009/WD-DOM-Level-3-Events-20090908/#events-Events-KeyboardEvent
*
* @type {String}
*/
this.keyIdentifier = keyIdentifier;
/**
* The standard name of the key pressed, as defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
*
* @type {String}
*/
this.key = key;
/**
* The location on the keyboard corresponding to the key pressed, as
* defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
*
* @type {Number}
*/
this.location = location;
// If key is known from keyCode or DOM3 alone, use that
this.keysym = keysym_from_key_identifier(key, location)
|| keysym_from_keycode(keyCode, location);
// DOM3 and keyCode are reliable sources if the corresponding key is
// not a printable key
if (this.keysym && !isPrintable(this.keysym))
this.reliable = true;
// Use legacy keyIdentifier as a last resort, if it looks sane
if (!this.keysym && key_identifier_sane(keyCode, keyIdentifier))
this.keysym = keysym_from_key_identifier(keyIdentifier, location, guac_keyboard.modifiers.shift);
// Determine whether default action for Alt+combinations must be prevented
var prevent_alt = !guac_keyboard.modifiers.ctrl
&& !(navigator && navigator.platform && navigator.platform.match(/^mac/i));
// Determine whether default action for Ctrl+combinations must be prevented
var prevent_ctrl = !guac_keyboard.modifiers.alt;
// We must rely on the (potentially buggy) keyIdentifier if preventing
// the default action is important
if ((prevent_ctrl && guac_keyboard.modifiers.ctrl)
|| (prevent_alt && guac_keyboard.modifiers.alt)
|| guac_keyboard.modifiers.meta
|| guac_keyboard.modifiers.hyper)
this.reliable = true;
// Record most recently known keysym by associated key code
recentKeysym[keyCode] = this.keysym;
};
KeydownEvent.prototype = new KeyEvent();
/**
* Information related to the pressing of a key, which MUST be
* associated with a printable character. The presence or absence of any
* information within this object is browser-dependent.
*
* @private
* @constructor
* @augments Keyboard.KeyEvent
* @param {Number} charCode The Unicode codepoint of the character that
* would be typed by the key pressed.
*/
var KeypressEvent = function(charCode) {
// We extend KeyEvent
KeyEvent.apply(this);
/**
* The Unicode codepoint of the character that would be typed by the
* key pressed.
*
* @type {Number}
*/
this.charCode = charCode;
// Pull keysym from char code
this.keysym = keysym_from_charcode(charCode);
// Keypress is always reliable
this.reliable = true;
};
KeypressEvent.prototype = new KeyEvent();
/**
* Information related to the pressing of a key, which need not be a key
* associated with a printable character. The presence or absence of any
* information within this object is browser-dependent.
*
* @private
* @constructor
* @augments Keyboard.KeyEvent
* @param {Number} keyCode The JavaScript key code of the key released.
* @param {String} keyIdentifier The legacy DOM3 "keyIdentifier" of the key
* released, as defined at:
* http://www.w3.org/TR/2009/WD-DOM-Level-3-Events-20090908/#events-Events-KeyboardEvent
* @param {String} key The standard name of the key released, as defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
* @param {Number} location The location on the keyboard corresponding to
* the key released, as defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
*/
var KeyupEvent = function(keyCode, keyIdentifier, key, location) {
// We extend KeyEvent
KeyEvent.apply(this);
/**
* The JavaScript key code of the key released.
*
* @type {Number}
*/
this.keyCode = keyCode;
/**
* The legacy DOM3 "keyIdentifier" of the key released, as defined at:
* http://www.w3.org/TR/2009/WD-DOM-Level-3-Events-20090908/#events-Events-KeyboardEvent
*
* @type {String}
*/
this.keyIdentifier = keyIdentifier;
/**
* The standard name of the key released, as defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
*
* @type {String}
*/
this.key = key;
/**
* The location on the keyboard corresponding to the key released, as
* defined at:
* http://www.w3.org/TR/DOM-Level-3-Events/#events-KeyboardEvent
*
* @type {Number}
*/
this.location = location;
// If key is known from keyCode or DOM3 alone, use that
this.keysym = recentKeysym[keyCode]
|| keysym_from_keycode(keyCode, location)
|| keysym_from_key_identifier(key, location); // keyCode is still more reliable for keyup when dead keys are in use
// Keyup is as reliable as it will ever be
this.reliable = true;
};
KeyupEvent.prototype = new KeyEvent();
/**
* An array of recorded events, which can be instances of the private
* KeydownEvent, KeypressEvent, and KeyupEvent classes.
*
* @private
* @type {KeyEvent[]}
*/
var eventLog = [];
/**
* Map of known JavaScript keycodes which do not map to typable characters
* to their X11 keysym equivalents.
* @private
*/
var keycodeKeysyms = {
8: [0xFF08], // backspace
9: [0xFF09], // tab
12: [0xFF0B, 0xFF0B, 0xFF0B, 0xFFB5], // clear / KP 5
13: [0xFF0D], // enter
16: [0xFFE1, 0xFFE1, 0xFFE2], // shift
17: [0xFFE3, 0xFFE3, 0xFFE4], // ctrl
18: [0xFFE9, 0xFFE9, 0xFE03], // alt
19: [0xFF13], // pause/break
20: [0xFFE5], // caps lock
27: [0xFF1B], // escape
32: [0x0020], // space
33: [0xFF55, 0xFF55, 0xFF55, 0xFFB9], // page up / KP 9
34: [0xFF56, 0xFF56, 0xFF56, 0xFFB3], // page down / KP 3
35: [0xFF57, 0xFF57, 0xFF57, 0xFFB1], // end / KP 1
36: [0xFF50, 0xFF50, 0xFF50, 0xFFB7], // home / KP 7
37: [0xFF51, 0xFF51, 0xFF51, 0xFFB4], // left arrow / KP 4
38: [0xFF52, 0xFF52, 0xFF52, 0xFFB8], // up arrow / KP 8
39: [0xFF53, 0xFF53, 0xFF53, 0xFFB6], // right arrow / KP 6
40: [0xFF54, 0xFF54, 0xFF54, 0xFFB2], // down arrow / KP 2
45: [0xFF63, 0xFF63, 0xFF63, 0xFFB0], // insert / KP 0
46: [0xFFFF, 0xFFFF, 0xFFFF, 0xFFAE], // delete / KP decimal
91: [0xFFEB], // left window key (hyper_l)
92: [0xFF67], // right window key (menu key?)
93: null, // select key
96: [0xFFB0], // KP 0
97: [0xFFB1], // KP 1
98: [0xFFB2], // KP 2
99: [0xFFB3], // KP 3
100: [0xFFB4], // KP 4
101: [0xFFB5], // KP 5
102: [0xFFB6], // KP 6
103: [0xFFB7], // KP 7
104: [0xFFB8], // KP 8
105: [0xFFB9], // KP 9
106: [0xFFAA], // KP multiply
107: [0xFFAB], // KP add
109: [0xFFAD], // KP subtract
110: [0xFFAE], // KP decimal
111: [0xFFAF], // KP divide
112: [0xFFBE], // f1
113: [0xFFBF], // f2
114: [0xFFC0], // f3
115: [0xFFC1], // f4
116: [0xFFC2], // f5
117: [0xFFC3], // f6
118: [0xFFC4], // f7
119: [0xFFC5], // f8
120: [0xFFC6], // f9
121: [0xFFC7], // f10
122: [0xFFC8], // f11
123: [0xFFC9], // f12
144: [0xFF7F], // num lock
145: [0xFF14], // scroll lock
225: [0xFE03] // altgraph (iso_level3_shift)
};
/**
* Map of known JavaScript keyidentifiers which do not map to typable
* characters to their unshifted X11 keysym equivalents.
* @private
*/
var keyidentifier_keysym = {
"Again": [0xFF66],
"AllCandidates": [0xFF3D],
"Alphanumeric": [0xFF30],
"Alt": [0xFFE9, 0xFFE9, 0xFE03],
"Attn": [0xFD0E],
"AltGraph": [0xFE03],
"ArrowDown": [0xFF54],
"ArrowLeft": [0xFF51],
"ArrowRight": [0xFF53],
"ArrowUp": [0xFF52],
"Backspace": [0xFF08],
"CapsLock": [0xFFE5],
"Cancel": [0xFF69],
"Clear": [0xFF0B],
"Convert": [0xFF21],
"Copy": [0xFD15],
"Crsel": [0xFD1C],
"CrSel": [0xFD1C],
"CodeInput": [0xFF37],
"Compose": [0xFF20],
"Control": [0xFFE3, 0xFFE3, 0xFFE4],
"ContextMenu": [0xFF67],
"DeadGrave": [0xFE50],
"DeadAcute": [0xFE51],
"DeadCircumflex": [0xFE52],
"DeadTilde": [0xFE53],
"DeadMacron": [0xFE54],
"DeadBreve": [0xFE55],
"DeadAboveDot": [0xFE56],
"DeadUmlaut": [0xFE57],
"DeadAboveRing": [0xFE58],
"DeadDoubleacute": [0xFE59],
"DeadCaron": [0xFE5A],
"DeadCedilla": [0xFE5B],
"DeadOgonek": [0xFE5C],
"DeadIota": [0xFE5D],
"DeadVoicedSound": [0xFE5E],
"DeadSemivoicedSound": [0xFE5F],
"Delete": [0xFFFF],
"Down": [0xFF54],
"End": [0xFF57],
"Enter": [0xFF0D],
"EraseEof": [0xFD06],
"Escape": [0xFF1B],
"Execute": [0xFF62],
"Exsel": [0xFD1D],
"ExSel": [0xFD1D],
"F1": [0xFFBE],
"F2": [0xFFBF],
"F3": [0xFFC0],
"F4": [0xFFC1],
"F5": [0xFFC2],
"F6": [0xFFC3],
"F7": [0xFFC4],
"F8": [0xFFC5],
"F9": [0xFFC6],
"F10": [0xFFC7],
"F11": [0xFFC8],
"F12": [0xFFC9],
"F13": [0xFFCA],
"F14": [0xFFCB],
"F15": [0xFFCC],
"F16": [0xFFCD],
"F17": [0xFFCE],
"F18": [0xFFCF],
"F19": [0xFFD0],
"F20": [0xFFD1],
"F21": [0xFFD2],
"F22": [0xFFD3],
"F23": [0xFFD4],
"F24": [0xFFD5],
"Find": [0xFF68],
"GroupFirst": [0xFE0C],
"GroupLast": [0xFE0E],
"GroupNext": [0xFE08],
"GroupPrevious": [0xFE0A],
"FullWidth": null,
"HalfWidth": null,
"HangulMode": [0xFF31],
"Hankaku": [0xFF29],
"HanjaMode": [0xFF34],
"Help": [0xFF6A],
"Hiragana": [0xFF25],
"HiraganaKatakana": [0xFF27],
"Home": [0xFF50],
"Hyper": [0xFFED, 0xFFED, 0xFFEE],
"Insert": [0xFF63],
"JapaneseHiragana": [0xFF25],
"JapaneseKatakana": [0xFF26],
"JapaneseRomaji": [0xFF24],
"JunjaMode": [0xFF38],
"KanaMode": [0xFF2D],
"KanjiMode": [0xFF21],
"Katakana": [0xFF26],
"Left": [0xFF51],
"Meta": [0xFFE7, 0xFFE7, 0xFFE8],
"ModeChange": [0xFF7E],
"NumLock": [0xFF7F],
"PageDown": [0xFF56],
"PageUp": [0xFF55],
"Pause": [0xFF13],
"Play": [0xFD16],
"PreviousCandidate": [0xFF3E],
"PrintScreen": [0xFD1D],
"Redo": [0xFF66],
"Right": [0xFF53],
"RomanCharacters": null,
"Scroll": [0xFF14],
"Select": [0xFF60],
"Separator": [0xFFAC],
"Shift": [0xFFE1, 0xFFE1, 0xFFE2],
"SingleCandidate": [0xFF3C],
"Super": [0xFFEB, 0xFFEB, 0xFFEC],
"Tab": [0xFF09],
"Up": [0xFF52],
"Undo": [0xFF65],
"Win": [0xFFEB],
"Zenkaku": [0xFF28],
"ZenkakuHankaku": [0xFF2A]
};
const keysym_to_string = {
0xFFFFFF: "VoidSymbol",
0xFF08: "BackSpace",
0xFF09: "Tab",
0xFF0A: "Linefeed",
0xFF0B: "Clear",
0xFF0D: "Return",
0xFF13: "Pause",
0xFF14: "Scroll_Lock",
0xFF15: "Sys_Req",
0xFF1B: "Escape",
0xFFFF: "Delete",
0xFF20: "Multi_key",
0xFF37: "Codeinput",
0xFF3C: "SingleCandidate",
0xFF3D: "MultipleCandidate",
0xFF3E: "PreviousCandidate",
0xFF21: "Kanji",
0xFF22: "Muhenkan",
0xFF23: "Henkan_Mode",
0xFF23: "Henkan",
0xFF24: "Romaji",
0xFF25: "Hiragana",
0xFF26: "Katakana",
0xFF27: "Hiragana_Katakana",
0xFF28: "Zenkaku",
0xFF29: "Hankaku",
0xFF2A: "Zenkaku_Hankaku",
0xFF2B: "Touroku",
0xFF2C: "Massyo",
0xFF2D: "Kana_Lock",
0xFF2E: "Kana_Shift",
0xFF2F: "Eisu_Shift",
0xFF30: "Eisu_toggle",
0xFF37: "Kanji_Bangou",
0xFF3D: "Zen_Koho",
0xFF3E: "Mae_Koho",
0xFF50: "Home",
0xFF51: "Left",
0xFF52: "Up",
0xFF53: "Right",
0xFF54: "Down",
0xFF55: "Prior",
0xFF55: "Page_Up",
0xFF56: "Next",
0xFF56: "Page_Down",
0xFF57: "End",
0xFF58: "Begin",
0xFF60: "Select",
0xFF61: "Print",
0xFF62: "Execute",
0xFF63: "Insert",
0xFF65: "Undo",
0xFF66: "Redo",
0xFF67: "Menu",
0xFF68: "Find",
0xFF69: "Cancel",
0xFF6A: "Help",
0xFF6B: "Break",
0xFF7E: "Mode_switch",
0xFF7E: "script_switch",
0xFF7F: "Num_Lock",
0xFF80: "KP_Space",
0xFF89: "KP_Tab",
0xFF8D: "KP_Enter",
0xFF91: "KP_F1",
0xFF92: "KP_F2",
0xFF93: "KP_F3",
0xFF94: "KP_F4",
0xFF95: "KP_Home",
0xFF96: "KP_Left",
0xFF97: "KP_Up",
0xFF98: "KP_Right",
0xFF99: "KP_Down",
0xFF9A: "KP_Prior",
0xFF9A: "KP_Page_Up",
0xFF9B: "KP_Next",
0xFF9B: "KP_Page_Down",
0xFF9C: "KP_End",
0xFF9D: "KP_Begin",
0xFF9E: "KP_Insert",
0xFF9F: "KP_Delete",
0xFFBD: "KP_Equal",
0xFFAA: "KP_Multiply",
0xFFAB: "KP_Add",
0xFFAC: "KP_Separator",
0xFFAD: "KP_Subtract",
0xFFAE: "KP_Decimal",
0xFFAF: "KP_Divide",
0xFFB0: "KP_0",
0xFFB1: "KP_1",
0xFFB2: "KP_2",
0xFFB3: "KP_3",
0xFFB4: "KP_4",
0xFFB5: "KP_5",
0xFFB6: "KP_6",
0xFFB7: "KP_7",
0xFFB8: "KP_8",
0xFFB9: "KP_9",
0xFFBE: "F1",
0xFFBF: "F2",
0xFFC0: "F3",
0xFFC1: "F4",
0xFFC2: "F5",
0xFFC3: "F6",
0xFFC4: "F7",
0xFFC5: "F8",
0xFFC6: "F9",
0xFFC7: "F10",
0xFFC8: "F11",
0xFFC8: "L1",
0xFFC9: "F12",
0xFFC9: "L2",
0xFFCA: "F13",
0xFFCA: "L3",
0xFFCB: "F14",
0xFFCB: "L4",
0xFFCC: "F15",
0xFFCC: "L5",
0xFFCD: "F16",
0xFFCD: "L6",
0xFFCE: "F17",
0xFFCE: "L7",
0xFFCF: "F18",
0xFFCF: "L8",
0xFFD0: "F19",
0xFFD0: "L9",
0xFFD1: "F20",
0xFFD1: "L10",
0xFFD2: "F21",
0xFFD2: "R1",
0xFFD3: "F22",
0xFFD3: "R2",
0xFFD4: "F23",
0xFFD4: "R3",
0xFFD5: "F24",
0xFFD5: "R4",
0xFFD6: "F25",
0xFFD6: "R5",
0xFFD7: "F26",
0xFFD7: "R6",
0xFFD8: "F27",
0xFFD8: "R7",
0xFFD9: "F28",
0xFFD9: "R8",
0xFFDA: "F29",
0xFFDA: "R9",
0xFFDB: "F30",
0xFFDB: "R10",
0xFFDC: "F31",
0xFFDC: "R11",
0xFFDD: "F32",
0xFFDD: "R12",
0xFFDE: "F33",
0xFFDE: "R13",
0xFFDF: "F34",
0xFFDF: "R14",
0xFFE0: "F35",
0xFFE0: "R15",
0xFFE1: "Shift_L",
0xFFE2: "Shift_R",
0xFFE3: "Control_L",
0xFFE4: "Control_R",
0xFFE5: "Caps_Lock",
0xFFE6: "Shift_Lock",
0xFFE7: "Meta_L",
0xFFE8: "Meta_R",
0xFFE9: "Alt_L",
0xFFEA: "Alt_R",
0xFFEB: "Super_L",
0xFFEC: "Super_R",
0xFFED: "Hyper_L",
0xFFEE: "Hyper_R",
0xFE01: "ISO_Lock",
0xFE02: "ISO_Level2_Latch",
0xFE03: "ISO_Level3_Shift",
0xFE04: "ISO_Level3_Latch",
0xFE05: "ISO_Level3_Lock",
0xFE11: "ISO_Level5_Shift",
0xFE12: "ISO_Level5_Latch",
0xFE13: "ISO_Level5_Lock",
0xFF7E: "ISO_Group_Shift",
0xFE06: "ISO_Group_Latch",
0xFE07: "ISO_Group_Lock",
0xFE08: "ISO_Next_Group",
0xFE09: "ISO_Next_Group_Lock",
0xFE0A: "ISO_Prev_Group",
0xFE0B: "ISO_Prev_Group_Lock",
0xFE0C: "ISO_First_Group",
0xFE0D: "ISO_First_Group_Lock",
0xFE0E: "ISO_Last_Group",
0xFE0F: "ISO_Last_Group_Lock",
0xFE20: "ISO_Left_Tab",
0xFE21: "ISO_Move_Line_Up",
0xFE22: "ISO_Move_Line_Down",
0xFE23: "ISO_Partial_Line_Up",
0xFE24: "ISO_Partial_Line_Down",
0xFE25: "ISO_Partial_Space_Left",
0xFE26: "ISO_Partial_Space_Right",
0xFE27: "ISO_Set_Margin_Left",
0xFE28: "ISO_Set_Margin_Right",
0xFE29: "ISO_Release_Margin_Left",
0xFE2A: "ISO_Release_Margin_Right",
0xFE2B: "ISO_Release_Both_Margins",
0xFE2C: "ISO_Fast_Cursor_Left",
0xFE2D: "ISO_Fast_Cursor_Right",
0xFE2E: "ISO_Fast_Cursor_Up",
0xFE2F: "ISO_Fast_Cursor_Down",
0xFE30: "ISO_Continuous_Underline",
0xFE31: "ISO_Discontinuous_Underline",
0xFE32: "ISO_Emphasize",
0xFE33: "ISO_Center_Object",
0xFE34: "ISO_Enter",
0xFE50: "dead_grave",
0xFE51: "dead_acute",
0xFE52: "dead_circumflex",
0xFE53: "dead_tilde",
0xFE53: "dead_perispomeni",
0xFE54: "dead_macron",
0xFE55: "dead_breve",
0xFE56: "dead_abovedot",
0xFE57: "dead_diaeresis",
0xFE58: "dead_abovering",
0xFE59: "dead_doubleacute",
0xFE5A: "dead_caron",
0xFE5B: "dead_cedilla",
0xFE5C: "dead_ogonek",
0xFE5D: "dead_iota",
0xFE5E: "dead_voiced_sound",
0xFE5F: "dead_semivoiced_sound",
0xFE60: "dead_belowdot",
0xFE61: "dead_hook",
0xFE62: "dead_horn",
0xFE63: "dead_stroke",
0xFE64: "dead_abovecomma",
0xFE64: "dead_psili",
0xFE65: "dead_abovereversedcomma",
0xFE65: "dead_dasia",
0xFE66: "dead_doublegrave",
0xFE67: "dead_belowring",
0xFE68: "dead_belowmacron",
0xFE69: "dead_belowcircumflex",
0xFE6A: "dead_belowtilde",
0xFE6B: "dead_belowbreve",
0xFE6C: "dead_belowdiaeresis",
0xFE6D: "dead_invertedbreve",
0xFE6E: "dead_belowcomma",
0xFE6F: "dead_currency",
0xFE90: "dead_lowline",
0xFE91: "dead_aboveverticalline",
0xFE92: "dead_belowverticalline",
0xFE93: "dead_longsolidusoverlay",
0xFE80: "dead_a",
0xFE81: "dead_A",
0xFE82: "dead_e",
0xFE83: "dead_E",
0xFE84: "dead_i",
0xFE85: "dead_I",
0xFE86: "dead_o",
0xFE87: "dead_O",
0xFE88: "dead_u",
0xFE89: "dead_U",
0xFE8A: "dead_small_schwa",
0xFE8B: "dead_capital_schwa",
0xFE8C: "dead_greek",
0xFED0: "First_Virtual_Screen",
0xFED1: "Prev_Virtual_Screen",
0xFED2: "Next_Virtual_Screen",
0xFED4: "Last_Virtual_Screen",
0xFED5: "Terminate_Server",
0xFE70: "AccessX_Enable",
0xFE71: "AccessX_Feedback_Enable",
0xFE72: "RepeatKeys_Enable",
0xFE73: "SlowKeys_Enable",
0xFE74: "BounceKeys_Enable",
0xFE75: "StickyKeys_Enable",
0xFE76: "MouseKeys_Enable",
0xFE77: "MouseKeys_Accel_Enable",
0xFE78: "Overlay1_Enable",
0xFE79: "Overlay2_Enable",
0xFE7A: "AudibleBell_Enable",
0xFEE0: "Pointer_Left",
0xFEE1: "Pointer_Right",
0xFEE2: "Pointer_Up",
0xFEE3: "Pointer_Down",
0xFEE4: "Pointer_UpLeft",
0xFEE5: "Pointer_UpRight",
0xFEE6: "Pointer_DownLeft",
0xFEE7: "Pointer_DownRight",
0xFEE8: "Pointer_Button_Dflt",
0xFEE9: "Pointer_Button1",
0xFEEA: "Pointer_Button2",
0xFEEB: "Pointer_Button3",
0xFEEC: "Pointer_Button4",
0xFEED: "Pointer_Button5",
0xFEEE: "Pointer_DblClick_Dflt",
0xFEEF: "Pointer_DblClick1",
0xFEF0: "Pointer_DblClick2",
0xFEF1: "Pointer_DblClick3",
0xFEF2: "Pointer_DblClick4",
0xFEF3: "Pointer_DblClick5",
0xFEF4: "Pointer_Drag_Dflt",
0xFEF5: "Pointer_Drag1",
0xFEF6: "Pointer_Drag2",
0xFEF7: "Pointer_Drag3",
0xFEF8: "Pointer_Drag4",
0xFEFD: "Pointer_Drag5",
0xFEF9: "Pointer_EnableKeys",
0xFEFA: "Pointer_Accelerate",
0xFEFB: "Pointer_DfltBtnNext",
0xFEFC: "Pointer_DfltBtnPrev",
0xFEA0: "ch",
0xFEA1: "Ch",
0xFEA2: "CH",
0xFEA3: "c_h",
0xFEA4: "C_h",
0xFEA5: "C_H",
0xFD01: "3270_Duplicate",
0xFD02: "3270_FieldMark",
0xFD03: "3270_Right2",
0xFD04: "3270_Left2",
0xFD05: "3270_BackTab",
0xFD06: "3270_EraseEOF",
0xFD07: "3270_EraseInput",
0xFD08: "3270_Reset",
0xFD09: "3270_Quit",
0xFD0A: "3270_PA1",
0xFD0B: "3270_PA2",
0xFD0C: "3270_PA3",
0xFD0D: "3270_Test",
0xFD0E: "3270_Attn",
0xFD0F: "3270_CursorBlink",
0xFD10: "3270_AltCursor",
0xFD11: "3270_KeyClick",
0xFD12: "3270_Jump",
0xFD13: "3270_Ident",
0xFD14: "3270_Rule",
0xFD15: "3270_Copy",
0xFD16: "3270_Play",
0xFD17: "3270_Setup",
0xFD18: "3270_Record",
0xFD19: "3270_ChangeScreen",
0xFD1A: "3270_DeleteWord",
0xFD1B: "3270_ExSelect",
0xFD1C: "3270_CursorSelect",
0xFD1D: "3270_PrintScreen",
0xFD1E: "3270_Enter",
0x0020: "space",
0x0021: "exclam",
0x0022: "quotedbl",
0x0023: "numbersign",
0x0024: "dollar",
0x0025: "percent",
0x0026: "ampersand",
0x0027: "apostrophe",
0x0027: "quoteright",
0x0028: "parenleft",
0x0029: "parenright",
0x002A: "asterisk",
0x002B: "plus",
0x002C: "comma",
0x002D: "minus",
0x002E: "period",
0x002F: "slash",
0x0030: "0",
0x0031: "1",
0x0032: "2",
0x0033: "3",
0x0034: "4",
0x0035: "5",
0x0036: "6",
0x0037: "7",
0x0038: "8",
0x0039: "9",
0x003A: "colon",
0x003B: "semicolon",
0x003C: "less",
0x003D: "equal",
0x003E: "greater",
0x003F: "question",
0x0040: "at",
0x0041: "A",
0x0042: "B",
0x0043: "C",
0x0044: "D",
0x0045: "E",
0x0046: "F",
0x0047: "G",
0x0048: "H",
0x0049: "I",
0x004A: "J",
0x004B: "K",
0x004C: "L",
0x004D: "M",
0x004E: "N",
0x004F: "O",
0x0050: "P",
0x0051: "Q",
0x0052: "R",
0x0053: "S",
0x0054: "T",
0x0055: "U",
0x0056: "V",
0x0057: "W",
0x0058: "X",
0x0059: "Y",
0x005A: "Z",
0x005B: "bracketleft",
0x005C: "backslash",
0x005D: "bracketright",
0x005E: "asciicircum",
0x005F: "underscore",
0x0060: "grave",
0x0060: "quoteleft",
0x0061: "a",
0x0062: "b",
0x0063: "c",
0x0064: "d",
0x0065: "e",
0x0066: "f",
0x0067: "g",
0x0068: "h",
0x0069: "i",
0x006A: "j",
0x006B: "k",
0x006C: "l",
0x006D: "m",
0x006E: "n",
0x006F: "o",
0x0070: "p",
0x0071: "q",
0x0072: "r",
0x0073: "s",
0x0074: "t",
0x0075: "u",
0x0076: "v",
0x0077: "w",
0x0078: "x",
0x0079: "y",
0x007A: "z",
0x007B: "braceleft",
0x007C: "bar",
0x007D: "braceright",
0x007E: "asciitilde",
0x00A0: "nobreakspace",
0x00A1: "exclamdown",
0x00A2: "cent",
0x00A3: "sterling",
0x00A4: "currency",
0x00A5: "yen",
0x00A6: "brokenbar",
0x00A7: "section",
0x00A8: "diaeresis",
0x00A9: "copyright",
0x00AA: "ordfeminine",
0x00AB: "guillemotleft",
0x00AC: "notsign",
0x00AD: "hyphen",
0x00AE: "registered",
0x00AF: "macron",
0x00B0: "degree",
0x00B1: "plusminus",
0x00B2: "twosuperior",
0x00B3: "threesuperior",
0x00B4: "acute",
0x00B5: "mu",
0x00B6: "paragraph",
0x00B7: "periodcentered",
0x00B8: "cedilla",
0x00B9: "onesuperior",
0x00BA: "masculine",
0x00BB: "guillemotright",
0x00BC: "onequarter",
0x00BD: "onehalf",
0x00BE: "threequarters",
0x00BF: "questiondown",
0x00C0: "Agrave",
0x00C1: "Aacute",
0x00C2: "Acircumflex",
0x00C3: "Atilde",
0x00C4: "Adiaeresis",
0x00C5: "Aring",
0x00C6: "AE",
0x00C7: "Ccedilla",
0x00C8: "Egrave",
0x00C9: "Eacute",
0x00CA: "Ecircumflex",
0x00CB: "Ediaeresis",
0x00CC: "Igrave",
0x00CD: "Iacute",
0x00CE: "Icircumflex",