Keys 实现
特殊键代码集。
ADD = u'\ue025' ALT = u'\ue00a' ARROW_DOWN = u'\ue015' ARROW_LEFT = u'\ue012' ARROW_RIGHT = u'\ue014' ARROW_UP = u'\ue013' BACKSPACE = u'\ue003' BACK_SPACE = u'\ue003' CANCEL = u'\ue001' CLEAR = u'\ue005' COMMAND = u'\ue03d' CONTROL = u'\ue009' DECIMAL = u'\ue028' DELETE = u'\ue017' DIVIDE = u'\ue029' DOWN = u'\ue015' END = u'\ue010' ENTER = u'\ue007' EQUALS = u'\ue019' ESCAPE = u'\ue00c' F1 = u'\ue031' F10 = u'\ue03a' F11 = u'\ue03b' F12 = u'\ue03c' F2 = u'\ue032' F3 = u'\ue033' F4 = u'\ue034' F5 = u'\ue035' F6 = u'\ue036' F7 = u'\ue037' F8 = u'\ue038' F9 = u'\ue039' HELP = u'\ue002' HOME = u'\ue011' INSERT = u'\ue016' LEFT = u'\ue012' LEFT_ALT = u'\ue00a' LEFT_CONTROL = u'\ue009' LEFT_SHIFT = u'\ue008' META = u'\ue03d' MULTIPLY = u'\ue024' NULL = u'\ue000' NUMPAD0 = u'\ue01a' NUMPAD1 = u'\ue01b' NUMPAD2 = u'\ue01c' NUMPAD3 = u'\ue01d' NUMPAD4 = u'\ue01e' NUMPAD5 = u'\ue01f' NUMPAD6 = u'\ue020' NUMPAD7 = u'\ue021' NUMPAD8 = u'\ue022' NUMPAD9 = u'\ue023' PAGE_DOWN = u'\ue00f' PAGE_UP = u'\ue00e' PAUSE = u'\ue00b' RETURN = u'\ue006' RIGHT = u'\ue014' SEMICOLON = u'\ue018' SEPARATOR = u'\ue026' SHIFT = u'\ue008' SPACE = u'\ue00d' SUBTRACT = u'\ue027' TAB = u'\ue004' UP = u'\ue013'