diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/keyboard_utils.coffee | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee index f997b455..dabf864d 100644 --- a/lib/keyboard_utils.coffee +++ b/lib/keyboard_utils.coffee @@ -4,7 +4,7 @@ KeyboardUtils = f12: 123, tab: 9, downArrow: 40, upArrow: 38 } keyNames: - { 37: "left", 38: "up", 39: "right", 40: "down", 32: "space" } + { 37: "left", 38: "up", 39: "right", 40: "down", 32: "space", 8: "backspace" } # This is a mapping of the incorrect keyIdentifiers generated by Webkit on Windows during keydown events to # the correct identifiers, which are correctly generated on Mac. We require this mapping to properly handle @@ -53,15 +53,21 @@ KeyboardUtils = "" getKeyCharUsingKeyIdentifier: (event) -> - # Not a letter - if (event.keyIdentifier.slice(0, 2) != "U+") - return @keyNames[event.keyCode] if (@keyNames[event.keyCode]) - # F-key - if (event.keyCode >= @keyCodes.f1 && event.keyCode <= @keyCodes.f12) - return "f" + (1 + event.keyCode - keyCodes.f1) - return "" + # Handle named keys. + keyCode = event.keyCode + if keyCode + if keyCode of @keyNames + return @keyNames[keyCode] + # Function keys. + if @keyCodes.f1 <= keyCode <= @keyCodes.f12 + return "f" + (1 + keyCode - keyCodes.f1) keyIdentifier = event.keyIdentifier + + # Not a letter. + if not keyIdentifier.startsWith "U+" + return "" + # On Windows, the keyIdentifiers for non-letter keys are incorrect. See # https://bugs.webkit.org/show_bug.cgi?id=19906 for more details. if ((@platform == "Windows" || @platform == "Linux") && @keyIdentifierCorrectionMap[keyIdentifier]) @@ -75,7 +81,8 @@ KeyboardUtils = isEscape: (event) -> # c-[ is mapped to ESC in Vim by default. - (event.keyCode == @keyCodes.ESC) || (event.ctrlKey && @getKeyChar(event) == '[' and not event.metaKey) + (event.keyCode == @keyCodes.ESC) || + (event.ctrlKey && @getKeyChar(event) == '[' and not event.metaKey and not event.altKey) # TODO. This is probably a poor way of detecting printable characters. However, it shouldn't incorrectly # identify any of chrome's own keyboard shortcuts as printable. |