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//> This file is part of Ymacs, an Emacs-like editor for the Web
//> http://www.ymacs.org/
//>
//> Copyright (c) 2009-2010, Mihai Bazon, Dynarch.com. All rights reserved.
//>
//> Redistribution and use in source and binary forms, with or without
//> modification, are permitted provided that the following conditions are
//> met:
//>
//> * Redistributions of source code must retain the above copyright
//> notice, this list of conditions and the following disclaimer.
//>
//> * Redistributions in binary form must reproduce the above copyright
//> notice, this list of conditions and the following disclaimer in
//> the documentation and/or other materials provided with the
//> distribution.
//>
//> * Neither the name of Dynarch.com nor the names of its contributors
//> may be used to endorse or promote products derived from this
//> software without specific prior written permission.
//>
//> THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY
//> EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
//> IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
//> PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE
//> FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
//> CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
//> SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
//> INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
//> CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
//> ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
//> THE POSSIBILITY OF SUCH DAMAGE.
// This file tries to define some keyboard constants based on the
// sheer insanity of browser inconsistencies described here:
//
// http://unixpapa.com/js/key.html
//
// Kudos for that work!
(function(){
var letters = {};
for (var i = 65; i <= 90; ++i)
letters[i] = [ i, i + 32 ];
letters[32] = [ 32, 32 ];
var modifiers = [ 16, 17, 18, 20, 144 ].toHash(true);
var digit_charcodes = [
[ 49, 33 ],
[ 50, 64 ],
[ 51, 35 ],
[ 52, 36 ],
[ 53, 37 ],
[ 54, 94 ],
[ 55, 38 ],
[ 56, 42 ],
[ 57, 40 ],
[ 48, 41 ]
];
var digits = [ 48, 49, 50, 51, 52, 53, 54, 55, 56, 57 ].toHash(function(k, i) {
return digit_charcodes[i];
});
var symbol_charcodes = [
[ 59, 58 ],
[ 61, 43 ],
[ 44, 60 ],
[ 45, 95 ],
[ 46, 62 ],
[ 47, 63 ],
[ 96, 126 ],
[ 91, 123 ],
[ 92, 124 ],
[ 93, 125 ],
[ 39, 34 ]
];
var symbols = ( is_gecko ? [ 59, 61, 188, 109, 190, 191, 192, 219, 220, 221, 222 ]
: is_opera ? [ 59, 61, 44, 45, 46, 47, 96, 91, 92, 93, 39 ]
: [ 186, 187, 188, 189, 190, 191, 192, 219, 220, 221, 222 ] ).toHash(function(k, i) {
return symbol_charcodes[i];
});
var arrows = [ 37, 38, 39, 40 ].toHash(true);
var specials = [ 45, 46, 36, 35, 33, 34, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123 ].toHash(true);
function getCharCode(code, shift) {
var a = letters[code] || digits[code] || symbols[code];
return a ? shift ? a[1] : a[0] : null;
};
window.KEYBOARD_INSANITY = {
letters : letters,
modifiers : modifiers,
digits : digits,
symbols : symbols,
arrows : arrows,
specials : specials,
getCharCode : getCharCode
};
})();
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