Gazebo_simulation-Frontend/node_modules/keycode/index.js

176 lines
3.6 KiB
JavaScript

// Source: http://jsfiddle.net/vWx8V/
// http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes
/**
* Conenience method returns corresponding value for given keyName or keyCode.
*
* @param {Mixed} keyCode {Number} or keyName {String}
* @return {Mixed}
* @api public
*/
function keyCode(searchInput) {
// Keyboard Events
if (searchInput && 'object' === typeof searchInput) {
var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode
if (hasKeyCode) searchInput = hasKeyCode
}
// Numbers
if ('number' === typeof searchInput) return names[searchInput]
// Everything else (cast to string)
var search = String(searchInput)
// check codes
var foundNamedKey = codes[search.toLowerCase()]
if (foundNamedKey) return foundNamedKey
// check aliases
var foundNamedKey = aliases[search.toLowerCase()]
if (foundNamedKey) return foundNamedKey
// weird character?
if (search.length === 1) return search.charCodeAt(0)
return undefined
}
/**
* Compares a keyboard event with a given keyCode or keyName.
*
* @param {Event} event Keyboard event that should be tested
* @param {Mixed} keyCode {Number} or keyName {String}
* @return {Boolean}
* @api public
*/
keyCode.isEventKey = function isEventKey(event, nameOrCode) {
if (event && 'object' === typeof event) {
var keyCode = event.which || event.keyCode || event.charCode
if (keyCode === null || keyCode === undefined) { return false; }
if (typeof nameOrCode === 'string') {
// check codes
var foundNamedKey = codes[nameOrCode.toLowerCase()]
if (foundNamedKey) { return foundNamedKey === keyCode; }
// check aliases
var foundNamedKey = aliases[nameOrCode.toLowerCase()]
if (foundNamedKey) { return foundNamedKey === keyCode; }
} else if (typeof nameOrCode === 'number') {
return nameOrCode === keyCode;
}
return false;
}
}
exports = module.exports = keyCode;
/**
* Get by name
*
* exports.code['enter'] // => 13
*/
var codes = exports.code = exports.codes = {
'backspace': 8,
'tab': 9,
'enter': 13,
'shift': 16,
'ctrl': 17,
'alt': 18,
'pause/break': 19,
'caps lock': 20,
'esc': 27,
'space': 32,
'page up': 33,
'page down': 34,
'end': 35,
'home': 36,
'left': 37,
'up': 38,
'right': 39,
'down': 40,
'insert': 45,
'delete': 46,
'command': 91,
'left command': 91,
'right command': 93,
'numpad *': 106,
'numpad +': 107,
'numpad -': 109,
'numpad .': 110,
'numpad /': 111,
'num lock': 144,
'scroll lock': 145,
'my computer': 182,
'my calculator': 183,
';': 186,
'=': 187,
',': 188,
'-': 189,
'.': 190,
'/': 191,
'`': 192,
'[': 219,
'\\': 220,
']': 221,
"'": 222
}
// Helper aliases
var aliases = exports.aliases = {
'windows': 91,
'⇧': 16,
'⌥': 18,
'⌃': 17,
'⌘': 91,
'ctl': 17,
'control': 17,
'option': 18,
'pause': 19,
'break': 19,
'caps': 20,
'return': 13,
'escape': 27,
'spc': 32,
'spacebar': 32,
'pgup': 33,
'pgdn': 34,
'ins': 45,
'del': 46,
'cmd': 91
}
/*!
* Programatically add the following
*/
// lower case chars
for (i = 97; i < 123; i++) codes[String.fromCharCode(i)] = i - 32
// numbers
for (var i = 48; i < 58; i++) codes[i - 48] = i
// function keys
for (i = 1; i < 13; i++) codes['f'+i] = i + 111
// numpad keys
for (i = 0; i < 10; i++) codes['numpad '+i] = i + 96
/**
* Get by code
*
* exports.name[13] // => 'Enter'
*/
var names = exports.names = exports.title = {} // title for backward compat
// Create reverse mapping
for (i in codes) names[codes[i]] = i
// Add aliases
for (var alias in aliases) {
codes[alias] = aliases[alias]
}