This is a list of all the key codes supported by the KeyboardWidget:
cancel, help, backspace, tab, clear, return, enter, pause, escape, space, page_up, page_down, end, home, left, up, right, down, printscreen, insert, delete
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z
numpad0, numpad1, numpad2, numpad3, numpad4, numpad5, numpad6, numpad7, numpad8, numpad9
multiply, add, separator, subtract, decimal, divide
f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11, f12
f13, f14, f15, f16, f17, f18, f19, f20, f21, f22, f23, f24
firefoxsemicolon, firefoxequals, firefoxminus
semicolon, equals, comma, dash, period, slash, backquote, openbracket, backslash, closebracket, quote
shift, ctrl, alt, meta