Proposed JSON physical keyboard layout format

{

    "language" : "en_US",
    "type"     : "qwerty",

    "keys" : {

        "Back"  : 65288,
        "Tab"   : 65289,
        "Enter" : 65293,
        "Esc"   : 65307,
        "Home"  : 65360,
        "Left"  : 65361,
        "Up"    : 65362,
        "Right" : 65363,
        "Down"  : 65364,
        "PgUp"  : 65365,
        "PgDn"  : 65366,
        "End"   : 65367,
        "Ins"   : 65379,
        "F1"    : 65470,
        "F2"    : 65471,
        "F3"    : 65472,
        "F4"    : 65473,
        "F5"    : 65474,
        "F6"    : 65475,
        "F7"    : 65476,
        "F8"    : 65477,
        "F9"    : 65478,
        "F10"   : 65479,
        "F11"   : 65480,
        "F12"   : 65481,
        "Del"   : 65535,

        "Space" : " ",

        "Menu" : [{
            "title"    : "Menu",
            "modifier" : "super",
            "keysym"   : 65383
        }],
        "LeftShift" : [{
            "title"    : "Shift",
            "modifier" : "shift",
            "keysym"   : 65505
        }],
        "RightShift" : [{
            "title"    : "Shift",
            "modifier" : "shift",
            "keysym"   : 65506
        }],
        "LeftCtrl" : [{
            "title"    : "Ctrl",
            "modifier" : "control",
            "keysym"   : 65507
        }],
        "RightCtrl" : [{
            "title"    : "Ctrl",
            "modifier" : "control",
            "keysym"   : 65508
        }],
        "Caps" : [{
            "title"    : "Caps",
            "modifier" : "caps",
            "keysym"   : 65509
        }],
        "LeftAlt" : [{
            "title"    : "Alt",
            "modifier" : "alt",
            "keysym"   : 65513
        }],
        "RightAlt" : [{
            "title"    : "Alt",
            "modifier" : "alt",
            "keysym"   : 65514
        }],
        "Super" : [{
            "title"    : "Super",
            "modifier" : "super",
            "keysym"   : 65515
        }],

        "`" : [
            { "title" : "`", "requires" : [         ] },
            { "title" : "~", "requires" : [ "shift" ] }
        ],
        "1" : [
            { "title" : "1", "requires" : [         ] },
            { "title" : "!", "requires" : [ "shift" ] }
        ],
        "2" : [
            { "title" : "2", "requires" : [         ] },
            { "title" : "@", "requires" : [ "shift" ] }
        ],
        "3" : [
            { "title" : "3", "requires" : [         ] },
            { "title" : "#", "requires" : [ "shift" ] }
        ],
        "4" : [
            { "title" : "4", "requires" : [         ] },
            { "title" : "$", "requires" : [ "shift" ] }
        ],
        "5" : [
            { "title" : "5", "requires" : [         ] },
            { "title" : "%", "requires" : [ "shift" ] }
        ],
        "6" : [
            { "title" : "6", "requires" : [         ] },
            { "title" : "^", "requires" : [ "shift" ] }
        ],
        "7" : [
            { "title" : "7", "requires" : [         ] },
            { "title" : "&", "requires" : [ "shift" ] }
        ],
        "8" : [
            { "title" : "8", "requires" : [         ] },
            { "title" : "*", "requires" : [ "shift" ] }
        ],
        "9" : [
            { "title" : "9", "requires" : [         ] },
            { "title" : "(", "requires" : [ "shift" ] }
        ],
        "0" : [
            { "title" : "0", "requires" : [         ] },
            { "title" : ")", "requires" : [ "shift" ] }
        ],
        "-" : [
            { "title" : "-", "requires" : [         ] },
            { "title" : "_", "requires" : [ "shift" ] }
        ],
        "=" : [
            { "title" : "=", "requires" : [         ] },
            { "title" : "+", "requires" : [ "shift" ] }
        ],
        "," : [
            { "title" : ",", "requires" : [         ] },
            { "title" : "<", "requires" : [ "shift" ] }
        ],
        "." : [
            { "title" : ".", "requires" : [         ] },
            { "title" : ">", "requires" : [ "shift" ] }
        ],
        "/" : [
            { "title" : "/", "requires" : [         ] },
            { "title" : "?", "requires" : [ "shift" ] }
        ],
        "[" : [
            { "title" : "[", "requires" : [         ] },
            { "title" : "{", "requires" : [ "shift" ] }
        ],
        "]" : [
            { "title" : "]", "requires" : [         ] },
            { "title" : "}", "requires" : [ "shift" ] }
        ],
        "\\" : [
            { "title" : "\\", "requires" : [         ] },
            { "title" : "|",  "requires" : [ "shift" ] }
        ],
        ";" : [
            { "title" : ";", "requires" : [         ] },
            { "title" : ":", "requires" : [ "shift" ] }
        ],
        "'" : [
            { "title" : "'",  "requires" : [         ] },
            { "title" : "\"", "requires" : [ "shift" ] }
        ],

        "q" : [
            { "title" : "q", "requires" : [                 ] },
            { "title" : "Q", "requires" : [ "caps"          ] },
            { "title" : "Q", "requires" : [ "shift"         ] },
            { "title" : "q", "requires" : [ "caps", "shift" ] }
        ],
        "w" : [
            { "title" : "w", "requires" : [                 ] },
            { "title" : "W", "requires" : [ "caps"          ] },
            { "title" : "W", "requires" : [ "shift"         ] },
            { "title" : "w", "requires" : [ "caps", "shift" ] }
        ],
        "e" : [
            { "title" : "e", "requires" : [                 ] },
            { "title" : "E", "requires" : [ "caps"          ] },
            { "title" : "E", "requires" : [ "shift"         ] },
            { "title" : "e", "requires" : [ "caps", "shift" ] }
        ],
        "r" : [
            { "title" : "r", "requires" : [                 ] },
            { "title" : "R", "requires" : [ "caps"          ] },
            { "title" : "R", "requires" : [ "shift"         ] },
            { "title" : "r", "requires" : [ "caps", "shift" ] }
        ],
        "t" : [
            { "title" : "t", "requires" : [                 ] },
            { "title" : "T", "requires" : [ "caps"          ] },
            { "title" : "T", "requires" : [ "shift"         ] },
            { "title" : "t", "requires" : [ "caps", "shift" ] }
        ],
        "y" : [
            { "title" : "y", "requires" : [                 ] },
            { "title" : "Y", "requires" : [ "caps"          ] },
            { "title" : "Y", "requires" : [ "shift"         ] },
            { "title" : "y", "requires" : [ "caps", "shift" ] }
        ],
        "u" : [
            { "title" : "u", "requires" : [                 ] },
            { "title" : "U", "requires" : [ "caps"          ] },
            { "title" : "U", "requires" : [ "shift"         ] },
            { "title" : "u", "requires" : [ "caps", "shift" ] }
        ],
        "i" : [
            { "title" : "i", "requires" : [                 ] },
            { "title" : "I", "requires" : [ "caps"          ] },
            { "title" : "I", "requires" : [ "shift"         ] },
            { "title" : "i", "requires" : [ "caps", "shift" ] }
        ],
        "o" : [
            { "title" : "o", "requires" : [                 ] },
            { "title" : "O", "requires" : [ "caps"          ] },
            { "title" : "O", "requires" : [ "shift"         ] },
            { "title" : "o", "requires" : [ "caps", "shift" ] }
        ],
        "p" : [
            { "title" : "p", "requires" : [                 ] },
            { "title" : "P", "requires" : [ "caps"          ] },
            { "title" : "P", "requires" : [ "shift"         ] },
            { "title" : "p", "requires" : [ "caps", "shift" ] }
        ],
        "a" : [
            { "title" : "a", "requires" : [                 ] },
            { "title" : "A", "requires" : [ "caps"          ] },
            { "title" : "A", "requires" : [ "shift"         ] },
            { "title" : "a", "requires" : [ "caps", "shift" ] }
        ],
        "s" : [
            { "title" : "s", "requires" : [                 ] },
            { "title" : "S", "requires" : [ "caps"          ] },
            { "title" : "S", "requires" : [ "shift"         ] },
            { "title" : "s", "requires" : [ "caps", "shift" ] }
        ],
        "d" : [
            { "title" : "d", "requires" : [                 ] },
            { "title" : "D", "requires" : [ "caps"          ] },
            { "title" : "D", "requires" : [ "shift"         ] },
            { "title" : "d", "requires" : [ "caps", "shift" ] }
        ],
        "f" : [
            { "title" : "f", "requires" : [                 ] },
            { "title" : "F", "requires" : [ "caps"          ] },
            { "title" : "F", "requires" : [ "shift"         ] },
            { "title" : "f", "requires" : [ "caps", "shift" ] }
        ],
        "g" : [
            { "title" : "g", "requires" : [                 ] },
            { "title" : "G", "requires" : [ "caps"          ] },
            { "title" : "G", "requires" : [ "shift"         ] },
            { "title" : "g", "requires" : [ "caps", "shift" ] }
        ],
        "h" : [
            { "title" : "h", "requires" : [                 ] },
            { "title" : "H", "requires" : [ "caps"          ] },
            { "title" : "H", "requires" : [ "shift"         ] },
            { "title" : "h", "requires" : [ "caps", "shift" ] }
        ],
        "j" : [
            { "title" : "j", "requires" : [                 ] },
            { "title" : "J", "requires" : [ "caps"          ] },
            { "title" : "J", "requires" : [ "shift"         ] },
            { "title" : "j", "requires" : [ "caps", "shift" ] }
        ],
        "k" : [
            { "title" : "k", "requires" : [                 ] },
            { "title" : "K", "requires" : [ "caps"          ] },
            { "title" : "K", "requires" : [ "shift"         ] },
            { "title" : "k", "requires" : [ "caps", "shift" ] }
        ],
        "l" : [
            { "title" : "l", "requires" : [                 ] },
            { "title" : "L", "requires" : [ "caps"          ] },
            { "title" : "L", "requires" : [ "shift"         ] },
            { "title" : "l", "requires" : [ "caps", "shift" ] }
        ],
        "z" : [
            { "title" : "z", "requires" : [                 ] },
            { "title" : "Z", "requires" : [ "caps"          ] },
            { "title" : "Z", "requires" : [ "shift"         ] },
            { "title" : "z", "requires" : [ "caps", "shift" ] }
        ],
        "x" : [
            { "title" : "x", "requires" : [                 ] },
            { "title" : "X", "requires" : [ "caps"          ] },
            { "title" : "X", "requires" : [ "shift"         ] },
            { "title" : "x", "requires" : [ "caps", "shift" ] }
        ],
        "c" : [
            { "title" : "c", "requires" : [                 ] },
            { "title" : "C", "requires" : [ "caps"          ] },
            { "title" : "C", "requires" : [ "shift"         ] },
            { "title" : "c", "requires" : [ "caps", "shift" ] }
        ],
        "v" : [
            { "title" : "v", "requires" : [                 ] },
            { "title" : "V", "requires" : [ "caps"          ] },
            { "title" : "V", "requires" : [ "shift"         ] },
            { "title" : "v", "requires" : [ "caps", "shift" ] }
        ],
        "b" : [
            { "title" : "b", "requires" : [                 ] },
            { "title" : "B", "requires" : [ "caps"          ] },
            { "title" : "B", "requires" : [ "shift"         ] },
            { "title" : "b", "requires" : [ "caps", "shift" ] }
        ],
        "n" : [
            { "title" : "n", "requires" : [                 ] },
            { "title" : "N", "requires" : [ "caps"          ] },
            { "title" : "N", "requires" : [ "shift"         ] },
            { "title" : "n", "requires" : [ "caps", "shift" ] }
        ],
        "m" : [
            { "title" : "m", "requires" : [                 ] },
            { "title" : "M", "requires" : [ "caps"          ] },
            { "title" : "M", "requires" : [ "shift"         ] },
            { "title" : "m", "requires" : [ "caps", "shift" ] }
        ]

    },

    "layout" : {

        "main" : {
            "function-keys" : {
                "esc"    : [ "Esc" ],
                "f1-f4"  : [ "F1", "F2",  "F3",  "F4"  ],
                "f5-f8"  : [ "F5", "F6",  "F7",  "F8"  ],
                "f9-f12" : [ "F9", "F10", "F11", "F12" ]
            },

            "alpha" : [
                [ "`", "1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "-", "=", "Back" ],
                [ "Tab", "q", "w", "e", "r", "t", "y", "u", "i", "o", "p", "[", "]", "\\" ],
                [ "Caps",  "a", "s", "d", "f", "g", "h", "j", "k", "l", ";", "'", "Enter" ],
                [ "Shift",  "z", "x", "c", "v",  "b", "n",  "m", ",", ".", "/",   "Shift" ],
                [ "Ctrl", "Super", "Alt",         "Space",          "Alt", "Menu", "Ctrl" ]
            ]
        },

        "movement" : {
            "large" : [
                [ "Ins", "Home", "PgUp" ],
                [ "Del", "End",  "PgDn" ]
            ],

            "fine" : [
                [          "Up"           ],
                [ "Left", "Down", "Right" ]
            ]
        }

    }

}