K_BACK = 53000,
K_BACKSPACE,

K_TAB,

K_SPACE,

K_RETURN,
K_ENTER,

K_SHIFT_KEY,
K_CTRL_KEY,
K_ALT_KEY,
K_CAPSLOCK,
K_ESCAPE,
K_PRIOR,
K_PAGEUP,
K_NEXT,
K_PAGEDOWN,
K_END,
K_HOME,
K_LEFT,
K_UP,
K_RIGHT,
K_DOWN,
K_INSERT,
K_DELETE,

K_NUMPAD0,
K_NUMPAD1,
K_NUMPAD2,
K_NUMPAD3,
K_NUMPAD4,
K_NUMPAD5,
K_NUMPAD6,
K_NUMPAD7,
K_NUMPAD8,
K_NUMPAD9,
K_MULTIPLY,
K_ADD,
K_SEPARATOR,
K_SUBTRACT,
K_DECIMAL,
K_DIVIDE,
K_SCROLL,

K_F1,
K_F2,
K_F3,
K_F4,
K_F5,
K_F6,
K_F7,
K_F8,
K_F9,
K_F10,
K_F11,
K_F12,

K_A,
K_B,
K_C,
K_D,
K_E,
K_F,
K_G,
K_H,
K_I,
K_J,
K_K,
K_L,
K_M,
K_N,
K_O,
K_P,
K_Q,
K_R,
K_S,
K_T,
K_U,
K_V,
K_W,
K_X,
K_Y,
K_Z,
K_0,
K_1,
K_2,
K_3,
K_4,
K_5,
K_6,
K_7,
K_8,
K_9,

K_CTRL_LBRACKET,
K_CTRL_RBRACKET,
K_CTRL_MINUS,
K_CTRL_GRAVE,
K_CTRL_SLASH,
K_CTRL_BACKSLASH,
K_CTRL_COMMA,
K_CTRL_PERIOD,
K_CTRL_SEMICOLON,
K_CTRL_EQUAL,
K_CTRL_APOSTROPHE,

K_BREAK,