K_BACK       = 8,
K_BACKSPACE  = 8,

K_TAB        = 9,

K_RETURN     = 13,
K_ENTER      = 13,
K_ESCAPE     = 27,

K_SPACE      = 32,

K_DELETE     = GDK_KEY_Delete|K_DELTA,

K_SHIFT_KEY  = GDK_KEY_Shift_L|K_DELTA,
K_CTRL_KEY   = GDK_KEY_Control_L|K_DELTA,
K_ALT_KEY    = GDK_KEY_Meta_L|K_DELTA,
K_CAPSLOCK   = GDK_KEY_Caps_Lock|K_DELTA,
K_PRIOR      = GDK_KEY_Page_Up|K_DELTA,
K_PAGEUP     = GDK_KEY_Page_Up|K_DELTA,
K_NEXT       = GDK_KEY_Page_Down|K_DELTA,
K_PAGEDOWN   = GDK_KEY_Page_Down|K_DELTA,
K_END        = GDK_KEY_End|K_DELTA,
K_HOME       = GDK_KEY_Home|K_DELTA,
K_LEFT       = GDK_KEY_Left|K_DELTA,
K_UP         = GDK_KEY_Up|K_DELTA,
K_RIGHT      = GDK_KEY_Right|K_DELTA,
K_DOWN       = GDK_KEY_Down|K_DELTA,
K_INSERT     = GDK_KEY_Insert|K_DELTA,

K_NUMPAD0    = GDK_KEY_KP_0|K_DELTA,
K_NUMPAD1    = GDK_KEY_KP_1|K_DELTA,
K_NUMPAD2    = GDK_KEY_KP_2|K_DELTA,
K_NUMPAD3    = GDK_KEY_KP_3|K_DELTA,
K_NUMPAD4    = GDK_KEY_KP_4|K_DELTA,
K_NUMPAD5    = GDK_KEY_KP_5|K_DELTA,
K_NUMPAD6    = GDK_KEY_KP_6|K_DELTA,
K_NUMPAD7    = GDK_KEY_KP_7|K_DELTA,
K_NUMPAD8    = GDK_KEY_KP_8|K_DELTA,
K_NUMPAD9    = GDK_KEY_KP_9|K_DELTA,
K_MULTIPLY   = GDK_KEY_KP_Multiply|K_DELTA,
K_ADD        = GDK_KEY_KP_Add|K_DELTA,
K_SEPARATOR  = GDK_KEY_KP_Separator|K_DELTA,
K_SUBTRACT   = GDK_KEY_KP_Subtract|K_DELTA,
K_DECIMAL    = GDK_KEY_KP_Decimal|K_DELTA,
K_DIVIDE     = GDK_KEY_KP_Divide|K_DELTA,

K_SCROLL     = GDK_KEY_Scroll_Lock|K_DELTA,

K_F1 = GDK_KEY_F1|K_DELTA,
K_F2 = GDK_KEY_F2|K_DELTA,
K_F3 = GDK_KEY_F3|K_DELTA,
K_F4 = GDK_KEY_F4|K_DELTA,
K_F5 = GDK_KEY_F5|K_DELTA,
K_F6 = GDK_KEY_F6|K_DELTA,
K_F7 = GDK_KEY_F7|K_DELTA,
K_F8 = GDK_KEY_F8|K_DELTA,
K_F9 = GDK_KEY_F9|K_DELTA,
K_F10 = GDK_KEY_F10|K_DELTA,
K_F11 = GDK_KEY_F11|K_DELTA,
K_F12 = GDK_KEY_F12|K_DELTA,

K_A = GDK_KEY_A|K_DELTA,
K_B = GDK_KEY_B|K_DELTA,
K_C = GDK_KEY_C|K_DELTA,
K_D = GDK_KEY_D|K_DELTA,
K_E = GDK_KEY_E|K_DELTA,
K_F = GDK_KEY_F|K_DELTA,
K_G = GDK_KEY_G|K_DELTA,
K_H = GDK_KEY_H|K_DELTA,
K_I = GDK_KEY_I|K_DELTA,
K_J = GDK_KEY_J|K_DELTA,
K_K = GDK_KEY_K|K_DELTA,
K_L = GDK_KEY_L|K_DELTA,
K_M = GDK_KEY_M|K_DELTA,
K_N = GDK_KEY_N|K_DELTA,
K_O = GDK_KEY_O|K_DELTA,
K_P = GDK_KEY_P|K_DELTA,
K_Q = GDK_KEY_Q|K_DELTA,
K_R = GDK_KEY_R|K_DELTA,
K_S = GDK_KEY_S|K_DELTA,
K_T = GDK_KEY_T|K_DELTA,
K_U = GDK_KEY_U|K_DELTA,
K_V = GDK_KEY_V|K_DELTA,
K_W = GDK_KEY_W|K_DELTA,
K_X = GDK_KEY_X|K_DELTA,
K_Y = GDK_KEY_Y|K_DELTA,
K_Z = GDK_KEY_Z|K_DELTA,
K_0 = GDK_KEY_0|K_DELTA,
K_1 = GDK_KEY_1|K_DELTA,
K_2 = GDK_KEY_2|K_DELTA,
K_3 = GDK_KEY_3|K_DELTA,
K_4 = GDK_KEY_4|K_DELTA,
K_5 = GDK_KEY_5|K_DELTA,
K_6 = GDK_KEY_6|K_DELTA,
K_7 = GDK_KEY_7|K_DELTA,
K_8 = GDK_KEY_8|K_DELTA,
K_9 = GDK_KEY_9|K_DELTA,

K_CTRL_LBRACKET  = K_CTRL|GDK_KEY_bracketleft|K_DELTA,
K_CTRL_RBRACKET  = K_CTRL|GDK_KEY_bracketright|K_DELTA,
K_CTRL_MINUS     = K_CTRL|GDK_KEY_minus|K_DELTA,
K_CTRL_GRAVE     = K_CTRL|GDK_KEY_grave|K_DELTA,
K_CTRL_SLASH     = K_CTRL|GDK_KEY_slash|K_DELTA,
K_CTRL_BACKSLASH = K_CTRL|GDK_KEY_backslash|K_DELTA,
K_CTRL_COMMA     = K_CTRL|GDK_KEY_comma|K_DELTA,
K_CTRL_PERIOD    = K_CTRL|GDK_KEY_period|K_DELTA,
K_CTRL_SEMICOLON = K_CTRL|GDK_KEY_semicolon|K_DELTA,
K_CTRL_EQUAL     = K_CTRL|GDK_KEY_equal|K_DELTA,
K_CTRL_APOSTROPHE= K_CTRL|GDK_KEY_apostrophe|K_DELTA,

K_BREAK      = GDK_KEY_Break|K_DELTA,