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mapKeyRegistry = {}
# NOTE: "?" here for the tests.
Utils?.monitorChromeStorage "mapKeyRegistry", (value) => mapKeyRegistry = value
KeyboardUtils =
keyCodes:
{ ESC: 27, backspace: 8, deleteKey: 46, enter: 13, ctrlEnter: 10, space: 32, shiftKey: 16, ctrlKey: 17, f1: 112,
f12: 123, tab: 9, downArrow: 40, upArrow: 38 }
keyNames:
{ 37: "left", 38: "up", 39: "right", 40: "down", 32: "space", 8: "backspace" }
init: ->
if (navigator.userAgent.indexOf("Mac") != -1)
@platform = "Mac"
else if (navigator.userAgent.indexOf("Linux") != -1)
@platform = "Linux"
else
@platform = "Windows"
getKeyChar: (event) ->
if event.keyCode of @keyNames
@keyNames[event.keyCode]
# It appears that event.key is not always defined (see #2453).
else if not event.key?
""
else if event.key.length == 1
event.key
else if event.key.length == 2 and "F1" <= event.key <= "F9"
event.key.toLowerCase() # F1 to F9.
else if event.key.length == 3 and "F10" <= event.key <= "F12"
event.key.toLowerCase() # F10 to F12.
else
""
getKeyCharString: (event) ->
if keyChar = @getKeyChar event
modifiers = []
keyChar = keyChar.toUpperCase() if event.shiftKey and keyChar.length == 1
# These must be in alphabetical order (to match the sorted modifier order in Commands.normalizeKey).
modifiers.push "a" if event.altKey
modifiers.push "c" if event.ctrlKey
modifiers.push "m" if event.metaKey
keyChar = [modifiers..., keyChar].join "-"
keyChar = "<#{keyChar}>" if 1 < keyChar.length
keyChar = mapKeyRegistry[keyChar] ? keyChar
keyChar
isEscape: (event) ->
# <c-[> is mapped to Escape in Vim by default.
event.keyCode == @keyCodes.ESC || @getKeyCharString(event) == "<c-[>"
isPrintable: (event) ->
return false if event.metaKey or event.ctrlKey or event.altKey
keyChar =
if event.type == "keypress"
String.fromCharCode event.charCode
else
@getKeyChar event
keyChar.length == 1
KeyboardUtils.init()
root = exports ? window
root.KeyboardUtils = KeyboardUtils
# TODO(philc): A lot of code uses this keyCodes hash... maybe we shouldn't export it as a global.
root.keyCodes = KeyboardUtils.keyCodes
|
