Module: SDL2::Key

Defined in:: ext/sdl2_ext/key.c,
ext/sdl2_ext/key.c

Overview

This module has “virtual” keycode constants and some keyboard input handling functions.

Defined Under Namespace

Modules: Mod, Scan

Constant Summary collapse

UNKNOWN = Returns unused keycode. Returns: (Integer) — unused keycode

INT2NUM(SDLK_UNKNOWN)

RETURN = Returns keycode for “RETURN” key. Returns: (Integer) — keycode for “RETURN” key

INT2NUM(SDLK_RETURN)

ESCAPE = Returns keycode for “ESCAPE” key. Returns: (Integer) — keycode for “ESCAPE” key

INT2NUM(SDLK_ESCAPE)

BACKSPACE = Returns keycode for “BACKSPACE” key. Returns: (Integer) — keycode for “BACKSPACE” key

INT2NUM(SDLK_BACKSPACE)

TAB = Returns keycode for “TAB” key. Returns: (Integer) — keycode for “TAB” key

INT2NUM(SDLK_TAB)

SPACE = Returns keycode for “SPACE” key. Returns: (Integer) — keycode for “SPACE” key

INT2NUM(SDLK_SPACE)

EXCLAIM = Returns keycode for “EXCLAIM” key. Returns: (Integer) — keycode for “EXCLAIM” key

INT2NUM(SDLK_EXCLAIM)

QUOTEDBL = Returns keycode for “QUOTEDBL” key. Returns: (Integer) — keycode for “QUOTEDBL” key

INT2NUM(SDLK_QUOTEDBL)

HASH = Returns keycode for “HASH” key. Returns: (Integer) — keycode for “HASH” key

INT2NUM(SDLK_HASH)

PERCENT = Returns keycode for “PERCENT” key. Returns: (Integer) — keycode for “PERCENT” key

INT2NUM(SDLK_PERCENT)

DOLLAR = Returns keycode for “DOLLAR” key. Returns: (Integer) — keycode for “DOLLAR” key

INT2NUM(SDLK_DOLLAR)

AMPERSAND = Returns keycode for “AMPERSAND” key. Returns: (Integer) — keycode for “AMPERSAND” key

INT2NUM(SDLK_AMPERSAND)

QUOTE = Returns keycode for “QUOTE” key. Returns: (Integer) — keycode for “QUOTE” key

INT2NUM(SDLK_QUOTE)

LEFTPAREN = Returns keycode for “LEFTPAREN” key. Returns: (Integer) — keycode for “LEFTPAREN” key

INT2NUM(SDLK_LEFTPAREN)

RIGHTPAREN = Returns keycode for “RIGHTPAREN” key. Returns: (Integer) — keycode for “RIGHTPAREN” key

INT2NUM(SDLK_RIGHTPAREN)

ASTERISK = Returns keycode for “ASTERISK” key. Returns: (Integer) — keycode for “ASTERISK” key

INT2NUM(SDLK_ASTERISK)

PLUS = Returns keycode for “PLUS” key. Returns: (Integer) — keycode for “PLUS” key

INT2NUM(SDLK_PLUS)

COMMA = Returns keycode for “COMMA” key. Returns: (Integer) — keycode for “COMMA” key

INT2NUM(SDLK_COMMA)

MINUS = Returns keycode for “MINUS” key. Returns: (Integer) — keycode for “MINUS” key

INT2NUM(SDLK_MINUS)

PERIOD = Returns keycode for “PERIOD” key. Returns: (Integer) — keycode for “PERIOD” key

INT2NUM(SDLK_PERIOD)

SLASH = Returns keycode for “SLASH” key. Returns: (Integer) — keycode for “SLASH” key

INT2NUM(SDLK_SLASH)

K0 = Returns keycode for number key “0” (not on keypad). Returns: (Integer) — keycode for number key “0” (not on keypad)

INT2NUM(SDLK_0)

K1 = Returns keycode for number key “1” (not on keypad). Returns: (Integer) — keycode for number key “1” (not on keypad)

INT2NUM(SDLK_1)

K2 = Returns keycode for number key “2” (not on keypad). Returns: (Integer) — keycode for number key “2” (not on keypad)

INT2NUM(SDLK_2)

K3 = Returns keycode for number key “3” (not on keypad). Returns: (Integer) — keycode for number key “3” (not on keypad)

INT2NUM(SDLK_3)

K4 = Returns keycode for number key “4” (not on keypad). Returns: (Integer) — keycode for number key “4” (not on keypad)

INT2NUM(SDLK_4)

K5 = Returns keycode for number key “5” (not on keypad). Returns: (Integer) — keycode for number key “5” (not on keypad)

INT2NUM(SDLK_5)

K6 = Returns keycode for number key “6” (not on keypad). Returns: (Integer) — keycode for number key “6” (not on keypad)

INT2NUM(SDLK_6)

K7 = Returns keycode for number key “7” (not on keypad). Returns: (Integer) — keycode for number key “7” (not on keypad)

INT2NUM(SDLK_7)

K8 = Returns keycode for number key “8” (not on keypad). Returns: (Integer) — keycode for number key “8” (not on keypad)

INT2NUM(SDLK_8)

K9 = Returns keycode for number key “9” (not on keypad). Returns: (Integer) — keycode for number key “9” (not on keypad)

INT2NUM(SDLK_9)

COLON = Returns keycode for “COLON” key. Returns: (Integer) — keycode for “COLON” key

INT2NUM(SDLK_COLON)

SEMICOLON = Returns keycode for “SEMICOLON” key. Returns: (Integer) — keycode for “SEMICOLON” key

INT2NUM(SDLK_SEMICOLON)

LESS = Returns keycode for “LESS” key. Returns: (Integer) — keycode for “LESS” key

INT2NUM(SDLK_LESS)

EQUALS = Returns keycode for “EQUALS” key. Returns: (Integer) — keycode for “EQUALS” key

INT2NUM(SDLK_EQUALS)

GREATER = Returns keycode for “GREATER” key. Returns: (Integer) — keycode for “GREATER” key

INT2NUM(SDLK_GREATER)

QUESTION = Returns keycode for “QUESTION” key. Returns: (Integer) — keycode for “QUESTION” key

INT2NUM(SDLK_QUESTION)

AT = Returns keycode for “AT” key. Returns: (Integer) — keycode for “AT” key

INT2NUM(SDLK_AT)

LEFTBRACKET = Returns keycode for “LEFTBRACKET” key. Returns: (Integer) — keycode for “LEFTBRACKET” key

INT2NUM(SDLK_LEFTBRACKET)

BACKSLASH = Returns keycode for “BACKSLASH” key. Returns: (Integer) — keycode for “BACKSLASH” key

INT2NUM(SDLK_BACKSLASH)

RIGHTBRACKET = Returns keycode for “RIGHTBRACKET” key. Returns: (Integer) — keycode for “RIGHTBRACKET” key

INT2NUM(SDLK_RIGHTBRACKET)

CARET = Returns keycode for “CARET” key. Returns: (Integer) — keycode for “CARET” key

INT2NUM(SDLK_CARET)

UNDERSCORE = Returns keycode for “UNDERSCORE” key. Returns: (Integer) — keycode for “UNDERSCORE” key

INT2NUM(SDLK_UNDERSCORE)

BACKQUOTE = Returns keycode for “BACKQUOTE” key. Returns: (Integer) — keycode for “BACKQUOTE” key

INT2NUM(SDLK_BACKQUOTE)

A = Returns keycode for alphabet key “a”. Returns: (Integer) — keycode for alphabet key “a”

INT2NUM(SDLK_a)

B = Returns keycode for alphabet key “b”. Returns: (Integer) — keycode for alphabet key “b”

INT2NUM(SDLK_b)

C = Returns keycode for alphabet key “c”. Returns: (Integer) — keycode for alphabet key “c”

INT2NUM(SDLK_c)

D = Returns keycode for alphabet key “d”. Returns: (Integer) — keycode for alphabet key “d”

INT2NUM(SDLK_d)

E = Returns keycode for alphabet key “e”. Returns: (Integer) — keycode for alphabet key “e”

INT2NUM(SDLK_e)

F = Returns keycode for alphabet key “f”. Returns: (Integer) — keycode for alphabet key “f”

INT2NUM(SDLK_f)

G = Returns keycode for alphabet key “g”. Returns: (Integer) — keycode for alphabet key “g”

INT2NUM(SDLK_g)

H = Returns keycode for alphabet key “h”. Returns: (Integer) — keycode for alphabet key “h”

INT2NUM(SDLK_h)

I = Returns keycode for alphabet key “i”. Returns: (Integer) — keycode for alphabet key “i”

INT2NUM(SDLK_i)

J = Returns keycode for alphabet key “j”. Returns: (Integer) — keycode for alphabet key “j”

INT2NUM(SDLK_j)

K = Returns keycode for alphabet key “k”. Returns: (Integer) — keycode for alphabet key “k”

INT2NUM(SDLK_k)

L = Returns keycode for alphabet key “l”. Returns: (Integer) — keycode for alphabet key “l”

INT2NUM(SDLK_l)

M = Returns keycode for alphabet key “m”. Returns: (Integer) — keycode for alphabet key “m”

INT2NUM(SDLK_m)

N = Returns keycode for alphabet key “n”. Returns: (Integer) — keycode for alphabet key “n”

INT2NUM(SDLK_n)

O = Returns keycode for alphabet key “o”. Returns: (Integer) — keycode for alphabet key “o”

INT2NUM(SDLK_o)

P = Returns keycode for alphabet key “p”. Returns: (Integer) — keycode for alphabet key “p”

INT2NUM(SDLK_p)

Q = Returns keycode for alphabet key “q”. Returns: (Integer) — keycode for alphabet key “q”

INT2NUM(SDLK_q)

R = Returns keycode for alphabet key “r”. Returns: (Integer) — keycode for alphabet key “r”

INT2NUM(SDLK_r)

S = Returns keycode for alphabet key “s”. Returns: (Integer) — keycode for alphabet key “s”

INT2NUM(SDLK_s)

T = Returns keycode for alphabet key “t”. Returns: (Integer) — keycode for alphabet key “t”

INT2NUM(SDLK_t)

U = Returns keycode for alphabet key “u”. Returns: (Integer) — keycode for alphabet key “u”

INT2NUM(SDLK_u)

V = Returns keycode for alphabet key “v”. Returns: (Integer) — keycode for alphabet key “v”

INT2NUM(SDLK_v)

W = Returns keycode for alphabet key “w”. Returns: (Integer) — keycode for alphabet key “w”

INT2NUM(SDLK_w)

X = Returns keycode for alphabet key “x”. Returns: (Integer) — keycode for alphabet key “x”

INT2NUM(SDLK_x)

Y = Returns keycode for alphabet key “y”. Returns: (Integer) — keycode for alphabet key “y”

INT2NUM(SDLK_y)

Z = Returns keycode for alphabet key “z”. Returns: (Integer) — keycode for alphabet key “z”

INT2NUM(SDLK_z)

CAPSLOCK = Returns keycode for “CAPSLOCK” key. Returns: (Integer) — keycode for “CAPSLOCK” key

INT2NUM(SDLK_CAPSLOCK)

F1 = Returns keycode for “F1” key. Returns: (Integer) — keycode for “F1” key

INT2NUM(SDLK_F1)

F2 = Returns keycode for “F2” key. Returns: (Integer) — keycode for “F2” key

INT2NUM(SDLK_F2)

F3 = Returns keycode for “F3” key. Returns: (Integer) — keycode for “F3” key

INT2NUM(SDLK_F3)

F4 = Returns keycode for “F4” key. Returns: (Integer) — keycode for “F4” key

INT2NUM(SDLK_F4)

F5 = Returns keycode for “F5” key. Returns: (Integer) — keycode for “F5” key

INT2NUM(SDLK_F5)

F6 = Returns keycode for “F6” key. Returns: (Integer) — keycode for “F6” key

INT2NUM(SDLK_F6)

F7 = Returns keycode for “F7” key. Returns: (Integer) — keycode for “F7” key

INT2NUM(SDLK_F7)

F8 = Returns keycode for “F8” key. Returns: (Integer) — keycode for “F8” key

INT2NUM(SDLK_F8)

F9 = Returns keycode for “F9” key. Returns: (Integer) — keycode for “F9” key

INT2NUM(SDLK_F9)

F10 = Returns keycode for “F10” key. Returns: (Integer) — keycode for “F10” key

INT2NUM(SDLK_F10)

F11 = Returns keycode for “F11” key. Returns: (Integer) — keycode for “F11” key

INT2NUM(SDLK_F11)

F12 = Returns keycode for “F12” key. Returns: (Integer) — keycode for “F12” key

INT2NUM(SDLK_F12)

PRINTSCREEN = Returns keycode for “PRINTSCREEN” key. Returns: (Integer) — keycode for “PRINTSCREEN” key

INT2NUM(SDLK_PRINTSCREEN)

SCROLLLOCK = Returns keycode for “SCROLLLOCK” key. Returns: (Integer) — keycode for “SCROLLLOCK” key

INT2NUM(SDLK_SCROLLLOCK)

PAUSE = Returns keycode for “PAUSE” key. Returns: (Integer) — keycode for “PAUSE” key

INT2NUM(SDLK_PAUSE)

INSERT = Returns keycode for “INSERT” key. Returns: (Integer) — keycode for “INSERT” key

INT2NUM(SDLK_INSERT)

HOME = Returns keycode for “HOME” key. Returns: (Integer) — keycode for “HOME” key

INT2NUM(SDLK_HOME)

PAGEUP = Returns keycode for “PAGEUP” key. Returns: (Integer) — keycode for “PAGEUP” key

INT2NUM(SDLK_PAGEUP)

DELETE = Returns keycode for “DELETE” key. Returns: (Integer) — keycode for “DELETE” key

INT2NUM(SDLK_DELETE)

END = Returns keycode for “END” key. Returns: (Integer) — keycode for “END” key

INT2NUM(SDLK_END)

PAGEDOWN = Returns keycode for “PAGEDOWN” key. Returns: (Integer) — keycode for “PAGEDOWN” key

INT2NUM(SDLK_PAGEDOWN)

RIGHT = Returns keycode for “RIGHT” key. Returns: (Integer) — keycode for “RIGHT” key

INT2NUM(SDLK_RIGHT)

LEFT = Returns keycode for “LEFT” key. Returns: (Integer) — keycode for “LEFT” key

INT2NUM(SDLK_LEFT)

DOWN = Returns keycode for “DOWN” key. Returns: (Integer) — keycode for “DOWN” key

INT2NUM(SDLK_DOWN)

UP = Returns keycode for “UP” key. Returns: (Integer) — keycode for “UP” key

INT2NUM(SDLK_UP)

NUMLOCKCLEAR = Returns keycode for “NUMLOCKCLEAR” key. Returns: (Integer) — keycode for “NUMLOCKCLEAR” key

INT2NUM(SDLK_NUMLOCKCLEAR)

KP_DIVIDE = Returns keycode for “KP_DIVIDE” key. Returns: (Integer) — keycode for “KP_DIVIDE” key

INT2NUM(SDLK_KP_DIVIDE)

KP_MULTIPLY = Returns keycode for “KP_MULTIPLY” key. Returns: (Integer) — keycode for “KP_MULTIPLY” key

INT2NUM(SDLK_KP_MULTIPLY)

KP_MINUS = Returns keycode for “KP_MINUS” key. Returns: (Integer) — keycode for “KP_MINUS” key

INT2NUM(SDLK_KP_MINUS)

KP_PLUS = Returns keycode for “KP_PLUS” key. Returns: (Integer) — keycode for “KP_PLUS” key

INT2NUM(SDLK_KP_PLUS)

KP_ENTER = Returns keycode for “KP_ENTER” key. Returns: (Integer) — keycode for “KP_ENTER” key

INT2NUM(SDLK_KP_ENTER)

KP_1 = Returns keycode for “KP_1” key. Returns: (Integer) — keycode for “KP_1” key

INT2NUM(SDLK_KP_1)

KP_2 = Returns keycode for “KP_2” key. Returns: (Integer) — keycode for “KP_2” key

INT2NUM(SDLK_KP_2)

KP_3 = Returns keycode for “KP_3” key. Returns: (Integer) — keycode for “KP_3” key

INT2NUM(SDLK_KP_3)

KP_4 = Returns keycode for “KP_4” key. Returns: (Integer) — keycode for “KP_4” key

INT2NUM(SDLK_KP_4)

KP_5 = Returns keycode for “KP_5” key. Returns: (Integer) — keycode for “KP_5” key

INT2NUM(SDLK_KP_5)

KP_6 = Returns keycode for “KP_6” key. Returns: (Integer) — keycode for “KP_6” key

INT2NUM(SDLK_KP_6)

KP_7 = Returns keycode for “KP_7” key. Returns: (Integer) — keycode for “KP_7” key

INT2NUM(SDLK_KP_7)

KP_8 = Returns keycode for “KP_8” key. Returns: (Integer) — keycode for “KP_8” key

INT2NUM(SDLK_KP_8)

KP_9 = Returns keycode for “KP_9” key. Returns: (Integer) — keycode for “KP_9” key

INT2NUM(SDLK_KP_9)

KP_0 = Returns keycode for “KP_0” key. Returns: (Integer) — keycode for “KP_0” key

INT2NUM(SDLK_KP_0)

KP_PERIOD = Returns keycode for “KP_PERIOD” key. Returns: (Integer) — keycode for “KP_PERIOD” key

INT2NUM(SDLK_KP_PERIOD)

APPLICATION = Returns keycode for “APPLICATION” key. Returns: (Integer) — keycode for “APPLICATION” key

INT2NUM(SDLK_APPLICATION)

POWER = Returns keycode for “POWER” key. Returns: (Integer) — keycode for “POWER” key

INT2NUM(SDLK_POWER)

KP_EQUALS = Returns keycode for “KP_EQUALS” key. Returns: (Integer) — keycode for “KP_EQUALS” key

INT2NUM(SDLK_KP_EQUALS)

F13 = Returns keycode for “F13” key. Returns: (Integer) — keycode for “F13” key

INT2NUM(SDLK_F13)

F14 = Returns keycode for “F14” key. Returns: (Integer) — keycode for “F14” key

INT2NUM(SDLK_F14)

F15 = Returns keycode for “F15” key. Returns: (Integer) — keycode for “F15” key

INT2NUM(SDLK_F15)

F16 = Returns keycode for “F16” key. Returns: (Integer) — keycode for “F16” key

INT2NUM(SDLK_F16)

F17 = Returns keycode for “F17” key. Returns: (Integer) — keycode for “F17” key

INT2NUM(SDLK_F17)

F18 = Returns keycode for “F18” key. Returns: (Integer) — keycode for “F18” key

INT2NUM(SDLK_F18)

F19 = Returns keycode for “F19” key. Returns: (Integer) — keycode for “F19” key

INT2NUM(SDLK_F19)

F20 = Returns keycode for “F20” key. Returns: (Integer) — keycode for “F20” key

INT2NUM(SDLK_F20)

F21 = Returns keycode for “F21” key. Returns: (Integer) — keycode for “F21” key

INT2NUM(SDLK_F21)

F22 = Returns keycode for “F22” key. Returns: (Integer) — keycode for “F22” key

INT2NUM(SDLK_F22)

F23 = Returns keycode for “F23” key. Returns: (Integer) — keycode for “F23” key

INT2NUM(SDLK_F23)

F24 = Returns keycode for “F24” key. Returns: (Integer) — keycode for “F24” key

INT2NUM(SDLK_F24)

EXECUTE = Returns keycode for “EXECUTE” key. Returns: (Integer) — keycode for “EXECUTE” key

INT2NUM(SDLK_EXECUTE)

HELP = Returns keycode for “HELP” key. Returns: (Integer) — keycode for “HELP” key

INT2NUM(SDLK_HELP)

MENU = Returns keycode for “MENU” key. Returns: (Integer) — keycode for “MENU” key

INT2NUM(SDLK_MENU)

SELECT = Returns keycode for “SELECT” key. Returns: (Integer) — keycode for “SELECT” key

INT2NUM(SDLK_SELECT)

STOP = Returns keycode for “STOP” key. Returns: (Integer) — keycode for “STOP” key

INT2NUM(SDLK_STOP)

AGAIN = Returns keycode for “AGAIN” key. Returns: (Integer) — keycode for “AGAIN” key

INT2NUM(SDLK_AGAIN)

UNDO = Returns keycode for “UNDO” key. Returns: (Integer) — keycode for “UNDO” key

INT2NUM(SDLK_UNDO)

CUT = Returns keycode for “CUT” key. Returns: (Integer) — keycode for “CUT” key

INT2NUM(SDLK_CUT)

COPY = Returns keycode for “COPY” key. Returns: (Integer) — keycode for “COPY” key

INT2NUM(SDLK_COPY)

PASTE = Returns keycode for “PASTE” key. Returns: (Integer) — keycode for “PASTE” key

INT2NUM(SDLK_PASTE)

FIND = Returns keycode for “FIND” key. Returns: (Integer) — keycode for “FIND” key

INT2NUM(SDLK_FIND)

MUTE = Returns keycode for “MUTE” key. Returns: (Integer) — keycode for “MUTE” key

INT2NUM(SDLK_MUTE)

VOLUMEUP = Returns keycode for “VOLUMEUP” key. Returns: (Integer) — keycode for “VOLUMEUP” key

INT2NUM(SDLK_VOLUMEUP)

VOLUMEDOWN = Returns keycode for “VOLUMEDOWN” key. Returns: (Integer) — keycode for “VOLUMEDOWN” key

INT2NUM(SDLK_VOLUMEDOWN)

KP_COMMA = Returns keycode for “KP_COMMA” key. Returns: (Integer) — keycode for “KP_COMMA” key

INT2NUM(SDLK_KP_COMMA)

KP_EQUALSAS400 = Returns keycode for “KP_EQUALSAS400” key. Returns: (Integer) — keycode for “KP_EQUALSAS400” key

INT2NUM(SDLK_KP_EQUALSAS400)

ALTERASE = Returns keycode for “ALTERASE” key. Returns: (Integer) — keycode for “ALTERASE” key

INT2NUM(SDLK_ALTERASE)

SYSREQ = Returns keycode for “SYSREQ” key. Returns: (Integer) — keycode for “SYSREQ” key

INT2NUM(SDLK_SYSREQ)

CANCEL = Returns keycode for “CANCEL” key. Returns: (Integer) — keycode for “CANCEL” key

INT2NUM(SDLK_CANCEL)

CLEAR = Returns keycode for “CLEAR” key. Returns: (Integer) — keycode for “CLEAR” key

INT2NUM(SDLK_CLEAR)

PRIOR = Returns keycode for “PRIOR” key. Returns: (Integer) — keycode for “PRIOR” key

INT2NUM(SDLK_PRIOR)

RETURN2 = Returns keycode for “RETURN2” key. Returns: (Integer) — keycode for “RETURN2” key

INT2NUM(SDLK_RETURN2)

SEPARATOR = Returns keycode for “SEPARATOR” key. Returns: (Integer) — keycode for “SEPARATOR” key

INT2NUM(SDLK_SEPARATOR)

OUT = Returns keycode for “OUT” key. Returns: (Integer) — keycode for “OUT” key

INT2NUM(SDLK_OUT)

OPER = Returns keycode for “OPER” key. Returns: (Integer) — keycode for “OPER” key

INT2NUM(SDLK_OPER)

CLEARAGAIN = Returns keycode for “CLEARAGAIN” key. Returns: (Integer) — keycode for “CLEARAGAIN” key

INT2NUM(SDLK_CLEARAGAIN)

CRSEL = Returns keycode for “CRSEL” key. Returns: (Integer) — keycode for “CRSEL” key

INT2NUM(SDLK_CRSEL)

EXSEL = Returns keycode for “EXSEL” key. Returns: (Integer) — keycode for “EXSEL” key

INT2NUM(SDLK_EXSEL)

KP_00 = Returns keycode for “KP_00” key. Returns: (Integer) — keycode for “KP_00” key

INT2NUM(SDLK_KP_00)

KP_000 = Returns keycode for “KP_000” key. Returns: (Integer) — keycode for “KP_000” key

INT2NUM(SDLK_KP_000)

THOUSANDSSEPARATOR = Returns keycode for “THOUSANDSSEPARATOR” key. Returns: (Integer) — keycode for “THOUSANDSSEPARATOR” key

INT2NUM(SDLK_THOUSANDSSEPARATOR)

DECIMALSEPARATOR = Returns keycode for “DECIMALSEPARATOR” key. Returns: (Integer) — keycode for “DECIMALSEPARATOR” key

INT2NUM(SDLK_DECIMALSEPARATOR)

CURRENCYUNIT = Returns keycode for “CURRENCYUNIT” key. Returns: (Integer) — keycode for “CURRENCYUNIT” key

INT2NUM(SDLK_CURRENCYUNIT)

CURRENCYSUBUNIT = Returns keycode for “CURRENCYSUBUNIT” key. Returns: (Integer) — keycode for “CURRENCYSUBUNIT” key

INT2NUM(SDLK_CURRENCYSUBUNIT)

KP_LEFTPAREN = Returns keycode for “KP_LEFTPAREN” key. Returns: (Integer) — keycode for “KP_LEFTPAREN” key

INT2NUM(SDLK_KP_LEFTPAREN)

KP_RIGHTPAREN = Returns keycode for “KP_RIGHTPAREN” key. Returns: (Integer) — keycode for “KP_RIGHTPAREN” key

INT2NUM(SDLK_KP_RIGHTPAREN)

KP_LEFTBRACE = Returns keycode for “KP_LEFTBRACE” key. Returns: (Integer) — keycode for “KP_LEFTBRACE” key

INT2NUM(SDLK_KP_LEFTBRACE)

KP_RIGHTBRACE = Returns keycode for “KP_RIGHTBRACE” key. Returns: (Integer) — keycode for “KP_RIGHTBRACE” key

INT2NUM(SDLK_KP_RIGHTBRACE)

KP_TAB = Returns keycode for “KP_TAB” key. Returns: (Integer) — keycode for “KP_TAB” key

INT2NUM(SDLK_KP_TAB)

KP_BACKSPACE = Returns keycode for “KP_BACKSPACE” key. Returns: (Integer) — keycode for “KP_BACKSPACE” key

INT2NUM(SDLK_KP_BACKSPACE)

KP_A = Returns keycode for “KP_A” key. Returns: (Integer) — keycode for “KP_A” key

INT2NUM(SDLK_KP_A)

KP_B = Returns keycode for “KP_B” key. Returns: (Integer) — keycode for “KP_B” key

INT2NUM(SDLK_KP_B)

KP_C = Returns keycode for “KP_C” key. Returns: (Integer) — keycode for “KP_C” key

INT2NUM(SDLK_KP_C)

KP_D = Returns keycode for “KP_D” key. Returns: (Integer) — keycode for “KP_D” key

INT2NUM(SDLK_KP_D)

KP_E = Returns keycode for “KP_E” key. Returns: (Integer) — keycode for “KP_E” key

INT2NUM(SDLK_KP_E)

KP_F = Returns keycode for “KP_F” key. Returns: (Integer) — keycode for “KP_F” key

INT2NUM(SDLK_KP_F)

KP_XOR = Returns keycode for “KP_XOR” key. Returns: (Integer) — keycode for “KP_XOR” key

INT2NUM(SDLK_KP_XOR)

KP_POWER = Returns keycode for “KP_POWER” key. Returns: (Integer) — keycode for “KP_POWER” key

INT2NUM(SDLK_KP_POWER)

KP_PERCENT = Returns keycode for “KP_PERCENT” key. Returns: (Integer) — keycode for “KP_PERCENT” key

INT2NUM(SDLK_KP_PERCENT)

KP_LESS = Returns keycode for “KP_LESS” key. Returns: (Integer) — keycode for “KP_LESS” key

INT2NUM(SDLK_KP_LESS)

KP_GREATER = Returns keycode for “KP_GREATER” key. Returns: (Integer) — keycode for “KP_GREATER” key

INT2NUM(SDLK_KP_GREATER)

KP_AMPERSAND = Returns keycode for “KP_AMPERSAND” key. Returns: (Integer) — keycode for “KP_AMPERSAND” key

INT2NUM(SDLK_KP_AMPERSAND)

KP_DBLAMPERSAND = Returns keycode for “KP_DBLAMPERSAND” key. Returns: (Integer) — keycode for “KP_DBLAMPERSAND” key

INT2NUM(SDLK_KP_DBLAMPERSAND)

KP_VERTICALBAR = Returns keycode for “KP_VERTICALBAR” key. Returns: (Integer) — keycode for “KP_VERTICALBAR” key

INT2NUM(SDLK_KP_VERTICALBAR)

KP_DBLVERTICALBAR = Returns keycode for “KP_DBLVERTICALBAR” key. Returns: (Integer) — keycode for “KP_DBLVERTICALBAR” key

INT2NUM(SDLK_KP_DBLVERTICALBAR)

KP_COLON = Returns keycode for “KP_COLON” key. Returns: (Integer) — keycode for “KP_COLON” key

INT2NUM(SDLK_KP_COLON)

KP_HASH = Returns keycode for “KP_HASH” key. Returns: (Integer) — keycode for “KP_HASH” key

INT2NUM(SDLK_KP_HASH)

KP_SPACE = Returns keycode for “KP_SPACE” key. Returns: (Integer) — keycode for “KP_SPACE” key

INT2NUM(SDLK_KP_SPACE)

KP_AT = Returns keycode for “KP_AT” key. Returns: (Integer) — keycode for “KP_AT” key

INT2NUM(SDLK_KP_AT)

KP_EXCLAM = Returns keycode for “KP_EXCLAM” key. Returns: (Integer) — keycode for “KP_EXCLAM” key

INT2NUM(SDLK_KP_EXCLAM)

KP_MEMSTORE = Returns keycode for “KP_MEMSTORE” key. Returns: (Integer) — keycode for “KP_MEMSTORE” key

INT2NUM(SDLK_KP_MEMSTORE)

KP_MEMRECALL = Returns keycode for “KP_MEMRECALL” key. Returns: (Integer) — keycode for “KP_MEMRECALL” key

INT2NUM(SDLK_KP_MEMRECALL)

KP_MEMCLEAR = Returns keycode for “KP_MEMCLEAR” key. Returns: (Integer) — keycode for “KP_MEMCLEAR” key

INT2NUM(SDLK_KP_MEMCLEAR)

KP_MEMADD = Returns keycode for “KP_MEMADD” key. Returns: (Integer) — keycode for “KP_MEMADD” key

INT2NUM(SDLK_KP_MEMADD)

KP_MEMSUBTRACT = Returns keycode for “KP_MEMSUBTRACT” key. Returns: (Integer) — keycode for “KP_MEMSUBTRACT” key

INT2NUM(SDLK_KP_MEMSUBTRACT)

KP_MEMMULTIPLY = Returns keycode for “KP_MEMMULTIPLY” key. Returns: (Integer) — keycode for “KP_MEMMULTIPLY” key

INT2NUM(SDLK_KP_MEMMULTIPLY)

KP_MEMDIVIDE = Returns keycode for “KP_MEMDIVIDE” key. Returns: (Integer) — keycode for “KP_MEMDIVIDE” key

INT2NUM(SDLK_KP_MEMDIVIDE)

KP_PLUSMINUS = Returns keycode for “KP_PLUSMINUS” key. Returns: (Integer) — keycode for “KP_PLUSMINUS” key

INT2NUM(SDLK_KP_PLUSMINUS)

KP_CLEAR = Returns keycode for “KP_CLEAR” key. Returns: (Integer) — keycode for “KP_CLEAR” key

INT2NUM(SDLK_KP_CLEAR)

KP_CLEARENTRY = Returns keycode for “KP_CLEARENTRY” key. Returns: (Integer) — keycode for “KP_CLEARENTRY” key

INT2NUM(SDLK_KP_CLEARENTRY)

KP_BINARY = Returns keycode for “KP_BINARY” key. Returns: (Integer) — keycode for “KP_BINARY” key

INT2NUM(SDLK_KP_BINARY)

KP_OCTAL = Returns keycode for “KP_OCTAL” key. Returns: (Integer) — keycode for “KP_OCTAL” key

INT2NUM(SDLK_KP_OCTAL)

KP_DECIMAL = Returns keycode for “KP_DECIMAL” key. Returns: (Integer) — keycode for “KP_DECIMAL” key

INT2NUM(SDLK_KP_DECIMAL)

KP_HEXADECIMAL = Returns keycode for “KP_HEXADECIMAL” key. Returns: (Integer) — keycode for “KP_HEXADECIMAL” key

INT2NUM(SDLK_KP_HEXADECIMAL)

LCTRL = Returns keycode for “LCTRL” key. Returns: (Integer) — keycode for “LCTRL” key

INT2NUM(SDLK_LCTRL)

LSHIFT = Returns keycode for “LSHIFT” key. Returns: (Integer) — keycode for “LSHIFT” key

INT2NUM(SDLK_LSHIFT)

LALT = Returns keycode for “LALT” key. Returns: (Integer) — keycode for “LALT” key

INT2NUM(SDLK_LALT)

LGUI = Returns keycode for “LGUI” key. Returns: (Integer) — keycode for “LGUI” key

INT2NUM(SDLK_LGUI)

RCTRL = Returns keycode for “RCTRL” key. Returns: (Integer) — keycode for “RCTRL” key

INT2NUM(SDLK_RCTRL)

RSHIFT = Returns keycode for “RSHIFT” key. Returns: (Integer) — keycode for “RSHIFT” key

INT2NUM(SDLK_RSHIFT)

RALT = Returns keycode for “RALT” key. Returns: (Integer) — keycode for “RALT” key

INT2NUM(SDLK_RALT)

RGUI = Returns keycode for “RGUI” key. Returns: (Integer) — keycode for “RGUI” key

INT2NUM(SDLK_RGUI)

MODE = Returns keycode for “MODE” key. Returns: (Integer) — keycode for “MODE” key

INT2NUM(SDLK_MODE)

AUDIONEXT = Returns keycode for “AUDIONEXT” key. Returns: (Integer) — keycode for “AUDIONEXT” key

INT2NUM(SDLK_AUDIONEXT)

AUDIOPREV = Returns keycode for “AUDIOPREV” key. Returns: (Integer) — keycode for “AUDIOPREV” key

INT2NUM(SDLK_AUDIOPREV)

AUDIOSTOP = Returns keycode for “AUDIOSTOP” key. Returns: (Integer) — keycode for “AUDIOSTOP” key

INT2NUM(SDLK_AUDIOSTOP)

AUDIOPLAY = Returns keycode for “AUDIOPLAY” key. Returns: (Integer) — keycode for “AUDIOPLAY” key

INT2NUM(SDLK_AUDIOPLAY)

AUDIOMUTE = Returns keycode for “AUDIOMUTE” key. Returns: (Integer) — keycode for “AUDIOMUTE” key

INT2NUM(SDLK_AUDIOMUTE)

MEDIASELECT = Returns keycode for “MEDIASELECT” key. Returns: (Integer) — keycode for “MEDIASELECT” key

INT2NUM(SDLK_MEDIASELECT)

WWW = Returns keycode for “WWW” key. Returns: (Integer) — keycode for “WWW” key

INT2NUM(SDLK_WWW)

MAIL = Returns keycode for “MAIL” key. Returns: (Integer) — keycode for “MAIL” key

INT2NUM(SDLK_MAIL)

CALCULATOR = Returns keycode for “CALCULATOR” key. Returns: (Integer) — keycode for “CALCULATOR” key

INT2NUM(SDLK_CALCULATOR)

COMPUTER = Returns keycode for “COMPUTER” key. Returns: (Integer) — keycode for “COMPUTER” key

INT2NUM(SDLK_COMPUTER)

AC_SEARCH = Returns keycode for “AC_SEARCH” key. Returns: (Integer) — keycode for “AC_SEARCH” key

INT2NUM(SDLK_AC_SEARCH)

AC_HOME = Returns keycode for “AC_HOME” key. Returns: (Integer) — keycode for “AC_HOME” key

INT2NUM(SDLK_AC_HOME)

AC_BACK = Returns keycode for “AC_BACK” key. Returns: (Integer) — keycode for “AC_BACK” key

INT2NUM(SDLK_AC_BACK)

AC_FORWARD = Returns keycode for “AC_FORWARD” key. Returns: (Integer) — keycode for “AC_FORWARD” key

INT2NUM(SDLK_AC_FORWARD)

AC_STOP = Returns keycode for “AC_STOP” key. Returns: (Integer) — keycode for “AC_STOP” key

INT2NUM(SDLK_AC_STOP)

AC_REFRESH = Returns keycode for “AC_REFRESH” key. Returns: (Integer) — keycode for “AC_REFRESH” key

INT2NUM(SDLK_AC_REFRESH)

AC_BOOKMARKS = Returns keycode for “AC_BOOKMARKS” key. Returns: (Integer) — keycode for “AC_BOOKMARKS” key

INT2NUM(SDLK_AC_BOOKMARKS)

BRIGHTNESSDOWN = Returns keycode for “BRIGHTNESSDOWN” key. Returns: (Integer) — keycode for “BRIGHTNESSDOWN” key

INT2NUM(SDLK_BRIGHTNESSDOWN)

BRIGHTNESSUP = Returns keycode for “BRIGHTNESSUP” key. Returns: (Integer) — keycode for “BRIGHTNESSUP” key

INT2NUM(SDLK_BRIGHTNESSUP)

DISPLAYSWITCH = Returns keycode for “DISPLAYSWITCH” key. Returns: (Integer) — keycode for “DISPLAYSWITCH” key

INT2NUM(SDLK_DISPLAYSWITCH)

KBDILLUMTOGGLE = Returns keycode for “KBDILLUMTOGGLE” key. Returns: (Integer) — keycode for “KBDILLUMTOGGLE” key

INT2NUM(SDLK_KBDILLUMTOGGLE)

KBDILLUMDOWN = Returns keycode for “KBDILLUMDOWN” key. Returns: (Integer) — keycode for “KBDILLUMDOWN” key

INT2NUM(SDLK_KBDILLUMDOWN)

KBDILLUMUP = Returns keycode for “KBDILLUMUP” key. Returns: (Integer) — keycode for “KBDILLUMUP” key

INT2NUM(SDLK_KBDILLUMUP)

EJECT = Returns keycode for “EJECT” key. Returns: (Integer) — keycode for “EJECT” key

INT2NUM(SDLK_EJECT)

SLEEP = Returns keycode for “SLEEP” key. Returns: (Integer) — keycode for “SLEEP” key

INT2NUM(SDLK_SLEEP)

Class Method Summary collapse

.keycode_from_name(name) ⇒ Integer

Get a key code from given name.
.keycode_from_scancode(scancode) ⇒ Integer

Convert a scancode to the corresponding keycode.
.name_of(code) ⇒ String

Get a human-readable name for a key.
.pressed?(code) ⇒ Boolean

Get whether the key of the given scancode is pressed or not.

Class Method Details

.keycode_from_name(name) ⇒ `Integer`

Get a key code from given name

Parameters:

name (String) —

name of a key

Returns:

(Integer) —

keycode

.keycode_from_scancode(scancode) ⇒ `Integer`

Convert a scancode to the corresponding keycode

Parameters:

scancode (Integer) —

scancode

Returns:

(Integer)

.name_of(code) ⇒ `String`

Get a human-readable name for a key

Parameters:

code (Integer) —

keycode

Returns:

(String) —

the name of given keycode

.pressed?(code) ⇒ `Boolean`

Get whether the key of the given scancode is pressed or not.

Parameters:

code (Integer) —

scancode

Returns:

(Boolean)

# File 'ext/sdl2_ext/key.c', line 70

static VALUE Key_s_pressed_p(VALUE self, VALUE code)
{
    const Uint8* state = SDL_GetKeyboardState(NULL);
    SDL_Scancode scancode;
    if (!state) {
        SDL_PumpEvents();
        state = SDL_GetKeyboardState(NULL);
        if (!state)
            rb_raise(eSDL2Error, "Event subsystem is not initialized");
    }
    scancode = NUM2UINT(code);
    if (scancode >= SDL_NUM_SCANCODES) 
        rb_raise(rb_eArgError, "too large scancode %d", scancode);
    
    return INT2BOOL(state[scancode]);
}

Module: SDL2::Key

Overview

Defined Under Namespace

Constant Summary collapse

Class Method Summary collapse

Class Method Details

.keycode_from_name(name) ⇒ Integer

.keycode_from_scancode(scancode) ⇒ Integer

.name_of(code) ⇒ String

.pressed?(code) ⇒ Boolean

.keycode_from_name(name) ⇒ `Integer`

.keycode_from_scancode(scancode) ⇒ `Integer`

.name_of(code) ⇒ `String`

.pressed?(code) ⇒ `Boolean`