diff options
Diffstat (limited to 'lib/keyboard_utils.coffee')
| -rw-r--r-- | lib/keyboard_utils.coffee | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee index f123f75a..4c149b48 100644 --- a/lib/keyboard_utils.coffee +++ b/lib/keyboard_utils.coffee @@ -66,6 +66,35 @@ KeyboardUtils = @getKeyChar event keyChar.length == 1 + # Return the Vimium key representation for this keyboard event. Return a falsy value (the empty string or + # undefined) when no Vimium representation is appropriate. + getKeyCharString: (event) -> + switch event.type + when "keypress" + # Ignore modifier keys by themselves. + if 31 < event.keyCode + String.fromCharCode event.charCode + + when "keydown" + # handle special keys, and normal input keys with modifiers being pressed. don't handle shiftKey alone (to + # avoid / being interpreted as ? + if (((event.metaKey || event.ctrlKey || event.altKey) && event.keyCode > 31) || ( + # TODO(philc): some events don't have a keyidentifier. How is that possible? + event.keyIdentifier && event.keyIdentifier.slice(0, 2) != "U+")) + keyChar = @getKeyChar event + # Again, ignore just modifiers. Maybe this should replace the keyCode>31 condition. + if 0 < keyChar.length + modifiers = [] + + keyChar = keyChar.toUpperCase() if event.shiftKey + modifiers.push "m" if event.metaKey + modifiers.push "c" if event.ctrlKey + modifiers.push "a" if event.altKey + + keyChar = [modifiers..., keyChar].join "-" + keyChar = "<#{keyChar}>" if 1 < keyChar.length + keyChar + KeyboardUtils.init() root = exports ? window |