Table 8-1. SDL Keysym definitions
| SDLKey | ASCII value | Common name | 
|---|---|---|
| SDLK_BACKSPACE | '\b' | backspace | 
| SDLK_TAB | '\t' | tab | 
| SDLK_CLEAR | clear | |
| SDLK_RETURN | '\r' | return | 
| SDLK_PAUSE | pause | |
| SDLK_ESCAPE | '^[' | escape | 
| SDLK_SPACE | ' ' | space | 
| SDLK_EXCLAIM | '!' | exclaim | 
| SDLK_QUOTEDBL | '"' | quotedbl | 
| SDLK_HASH | '#' | hash | 
| SDLK_DOLLAR | '$' | dollar | 
| SDLK_AMPERSAND | '&' | ampersand | 
| SDLK_QUOTE | ''' | quote | 
| SDLK_LEFTPAREN | '(' | left parenthesis | 
| SDLK_RIGHTPAREN | ')' | right parenthesis | 
| SDLK_ASTERISK | '*' | asterisk | 
| SDLK_PLUS | '+' | plus sign | 
| SDLK_COMMA | ',' | comma | 
| SDLK_MINUS | '-' | minus sign | 
| SDLK_PERIOD | '.' | period | 
| SDLK_SLASH | '/' | forward slash | 
| SDLK_0 | '0' | 0 | 
| SDLK_1 | '1' | 1 | 
| SDLK_2 | '2' | 2 | 
| SDLK_3 | '3' | 3 | 
| SDLK_4 | '4' | 4 | 
| SDLK_5 | '5' | 5 | 
| SDLK_6 | '6' | 6 | 
| SDLK_7 | '7' | 7 | 
| SDLK_8 | '8' | 8 | 
| SDLK_9 | '9' | 9 | 
| SDLK_COLON | ':' | colon | 
| SDLK_SEMICOLON | ';' | semicolon | 
| SDLK_LESS | '<' | less-than sign | 
| SDLK_EQUALS | '=' | equals sign | 
| SDLK_GREATER | '>' | greater-than sign | 
| SDLK_QUESTION | '?' | question mark | 
| SDLK_AT | '@' | at | 
| SDLK_LEFTBRACKET | '[' | left bracket | 
| SDLK_BACKSLASH | '\' | backslash | 
| SDLK_RIGHTBRACKET | ']' | right bracket | 
| SDLK_CARET | '^' | caret | 
| SDLK_UNDERSCORE | '_' | underscore | 
| SDLK_BACKQUOTE | '`' | grave | 
| SDLK_a | 'a' | a | 
| SDLK_b | 'b' | b | 
| SDLK_c | 'c' | c | 
| SDLK_d | 'd' | d | 
| SDLK_e | 'e' | e | 
| SDLK_f | 'f' | f | 
| SDLK_g | 'g' | g | 
| SDLK_h | 'h' | h | 
| SDLK_i | 'i' | i | 
| SDLK_j | 'j' | j | 
| SDLK_k | 'k' | k | 
| SDLK_l | 'l' | l | 
| SDLK_m | 'm' | m | 
| SDLK_n | 'n' | n | 
| SDLK_o | 'o' | o | 
| SDLK_p | 'p' | p | 
| SDLK_q | 'q' | q | 
| SDLK_r | 'r' | r | 
| SDLK_s | 's' | s | 
| SDLK_t | 't' | t | 
| SDLK_u | 'u' | u | 
| SDLK_v | 'v' | v | 
| SDLK_w | 'w' | w | 
| SDLK_x | 'x' | x | 
| SDLK_y | 'y' | y | 
| SDLK_z | 'z' | z | 
| SDLK_DELETE | '^?' | delete | 
| SDLK_KP0 | keypad 0 | |
| SDLK_KP1 | keypad 1 | |
| SDLK_KP2 | keypad 2 | |
| SDLK_KP3 | keypad 3 | |
| SDLK_KP4 | keypad 4 | |
| SDLK_KP5 | keypad 5 | |
| SDLK_KP6 | keypad 6 | |
| SDLK_KP7 | keypad 7 | |
| SDLK_KP8 | keypad 8 | |
| SDLK_KP9 | keypad 9 | |
| SDLK_KP_PERIOD | '.' | keypad period | 
| SDLK_KP_DIVIDE | '/' | keypad divide | 
| SDLK_KP_MULTIPLY | '*' | keypad multiply | 
| SDLK_KP_MINUS | '-' | keypad minus | 
| SDLK_KP_PLUS | '+' | keypad plus | 
| SDLK_KP_ENTER | '\r' | keypad enter | 
| SDLK_KP_EQUALS | '=' | keypad equals | 
| SDLK_UP | up arrow | |
| SDLK_DOWN | down arrow | |
| SDLK_RIGHT | right arrow | |
| SDLK_LEFT | left arrow | |
| SDLK_INSERT | insert | |
| SDLK_HOME | home | |
| SDLK_END | end | |
| SDLK_PAGEUP | page up | |
| SDLK_PAGEDOWN | page down | |
| SDLK_F1 | F1 | |
| SDLK_F2 | F2 | |
| SDLK_F3 | F3 | |
| SDLK_F4 | F4 | |
| SDLK_F5 | F5 | |
| SDLK_F6 | F6 | |
| SDLK_F7 | F7 | |
| SDLK_F8 | F8 | |
| SDLK_F9 | F9 | |
| SDLK_F10 | F10 | |
| SDLK_F11 | F11 | |
| SDLK_F12 | F12 | |
| SDLK_F13 | F13 | |
| SDLK_F14 | F14 | |
| SDLK_F15 | F15 | |
| SDLK_NUMLOCK | numlock | |
| SDLK_CAPSLOCK | capslock | |
| SDLK_SCROLLOCK | scrollock | |
| SDLK_RSHIFT | right shift | |
| SDLK_LSHIFT | left shift | |
| SDLK_RCTRL | right ctrl | |
| SDLK_LCTRL | left ctrl | |
| SDLK_RALT | right alt | |
| SDLK_LALT | left alt | |
| SDLK_RMETA | right meta | |
| SDLK_LMETA | left meta | |
| SDLK_LSUPER | left windows key | |
| SDLK_RSUPER | right windows key | |
| SDLK_MODE | mode shift | |
| SDLK_HELP | help | |
| SDLK_PRINT | print-screen | |
| SDLK_SYSREQ | SysRq | |
| SDLK_BREAK | break | |
| SDLK_MENU | menu | |
| SDLK_POWER | power | |
| SDLK_EURO | euro | 
Table 8-2. SDL modifier definitions
| SDL Modifier | Meaning | 
|---|---|
| KMOD_NONE | No modifiers applicable | 
| KMOD_NUM | Numlock is down | 
| KMOD_CAPS | Capslock is down | 
| KMOD_LCTRL | Left Control is down | 
| KMOD_RCTRL | Right Control is down | 
| KMOD_RSHIFT | Right Shift is down | 
| KMOD_LSHIFT | Left Shift is down | 
| KMOD_RALT | Right Alt is down | 
| KMOD_LALT | Left Alt is down | 
| KMOD_CTRL | A Control key is down | 
| KMOD_SHIFT | A Shift key is down | 
| KMOD_ALT | An Alt key is down |