Ted Pavlic 4884f5defc Fixes <C-[>, <C-\\>, <C-]>, <C-^>, and <C-_> on Mac OS/X. ...

On Mac OS/X, control characters 27 through 31 pass charCode=CONTROL_CHAR
rather than charCode=KEY. For example, when a user wants <C-[>
Vimperator sees <C-Esc>. Most people view this as a bug in FirefOS/X.

The following patch tests for has("MacUnix"), then checks to see if the
control character is within this buggy range. If so, it shifts the
charCode up by 64 (there is a special case for Escape where the CTRL key
is relaxed and key is set to "Esc").

For more information, see:
    [*] Vimp FAQ: http://vimperator.org/trac/wiki/Vimperator/FAQ#WhydoesntC-workforEscMacOSX
    [*] Referenced mailing list msg: http://www.mozdev.org/pipermail/vimperator/2008-May/001548.html
    [*] Mozilla bug 416227: event.charCode in keypress handler has unexpected values on Mac for Ctrl with chars in "[ ] _ \"
        https://bugzilla.mozilla.org/show_bug.cgi?query_format=specific&order=relevance+desc&bug_status=__open__&id=416227
    [*] Mozilla bug 432951: Ctrl+'foo' doesn't seem same charCode as Meta+'foo' on Cocoa
        https://bugzilla.mozilla.org/show_bug.cgi?query_format=specific&order=relevance+desc&bug_status=__open__&id=432951

2009-01-23 10:05:14 -05:00

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