Keys.hh

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#ifndef KEYS_HH
#define KEYS_HH
 
#include <SDL_stdinc.h>
#include <SDL_keycode.h>
#include <SDL_scancode.h>
#include <string>
#include <string_view>
 
namespace openmsx::Keys {
 
enum KeyCode {
        K_MASK = 0x1FFFF,
 
        K_NONE = K_MASK, // make sure K_NONE has no modifiers set
        K_UNKNOWN = 0,
        K_BACKSPACE = 8,
        K_TAB = 9,
        K_CLEAR = 12,
        K_RETURN = 13,
        K_PAUSE = 19,
        K_ESCAPE = 27,
        K_SPACE = ' ',
        K_EXCLAIM = '!',
        K_QUOTEDBL = '"',
        K_HASH = '#',
        K_DOLLAR = '$',
        K_AMPERSAND = '&',
        K_QUOTE = '\'',
        K_LEFTPAREN = '(',
        K_RIGHTPAREN = ')',
        K_ASTERISK = '*',
        K_PLUS = '+',
        K_COMMA = ',',
        K_MINUS = '-',
        K_PERIOD = '.',
        K_SLASH = '/',
        K_0 = '0',
        K_1 = '1',
        K_2 = '2',
        K_3 = '3',
        K_4 = '4',
        K_5 = '5',
        K_6 = '6',
        K_7 = '7',
        K_8 = '8',
        K_9 = '9',
        K_COLON = ':',
        K_SEMICOLON = ';',
        K_LESS = '<',
        K_EQUALS = '=',
        K_GREATER = '>',
        K_QUESTION = '?',
        K_AT = '@',
 
        K_LEFTBRACKET = '[',
        K_BACKSLASH = '\\',
        K_RIGHTBRACKET = ']',
        K_CARET = '^',
        K_UNDERSCORE = '_',
        K_BACKQUOTE = '`',
        K_A = 'a',
        K_B = 'b',
        K_C = 'c',
        K_D = 'd',
        K_E = 'e',
        K_F = 'f',
        K_G = 'g',
        K_H = 'h',
        K_I = 'i',
        K_J = 'j',
        K_K = 'k',
        K_L = 'l',
        K_M = 'm',
        K_N = 'n',
        K_O = 'o',
        K_P = 'p',
        K_Q = 'q',
        K_R = 'r',
        K_S = 's',
        K_T = 't',
        K_U = 'u',
        K_V = 'v',
        K_W = 'w',
        K_X = 'x',
        K_Y = 'y',
        K_Z = 'z',
        K_DELETE = 127,
 
        // Numeric keypad
        K_KP0 = 0x100,
        K_KP1 = 0x101,
        K_KP2 = 0x102,
        K_KP3 = 0x103,
        K_KP4 = 0x104,
        K_KP5 = 0x105,
        K_KP6 = 0x106,
        K_KP7 = 0x107,
        K_KP8 = 0x108,
        K_KP9 = 0x109,
        K_KP_PERIOD = 0x10A,
        K_KP_DIVIDE = 0x10B,
        K_KP_MULTIPLY = 0x10C,
        K_KP_MINUS = 0x10D,
        K_KP_PLUS = 0x10E,
        K_KP_ENTER = 0x10F,
        K_KP_EQUALS = 0x110,
 
        // Arrows + Home/End pad
        K_UP = 0x111,
        K_DOWN = 0x112,
        K_RIGHT = 0x113,
        K_LEFT = 0x114,
        K_INSERT = 0x115,
        K_HOME = 0x116,
        K_END = 0x117,
        K_PAGEUP = 0x118,
        K_PAGEDOWN = 0x119,
 
        // Function keys
        K_F1 = 0x11A,
        K_F2 = 0x11B,
        K_F3 = 0x11C,
        K_F4 = 0x11D,
        K_F5 = 0x11E,
        K_F6 = 0x11F,
        K_F7 = 0x120,
        K_F8 = 0x121,
        K_F9 = 0x122,
        K_F10 = 0x123,
        K_F11 = 0x124,
        K_F12 = 0x125,
        K_F13 = 0x126,
        K_F14 = 0x127,
        K_F15 = 0x128,
        K_F16 = 0x129,
        K_F17 = 0x12A,
        K_F18 = 0x12B,
        K_F19 = 0x144, // NOTE: continuing at 0x144
        K_F20 = 0x145,
        K_F21 = 0x146,
        K_F22 = 0x147,
        K_F23 = 0x148,
        K_F24 = 0x149,
 
        // Key state modifier keys
        K_NUMLOCK = 0x12C, // NOTE: here we continue at 0x12C
        K_CAPSLOCK = 0x12D,
        K_SCROLLLOCK = 0x12E,
        K_RSHIFT = 0x12F,
        K_LSHIFT = 0x130,
        K_RCTRL = 0x131,
        K_LCTRL = 0x132,
        K_RALT = 0x133,
        K_LALT = 0x134,
//      K_RMETA = 0x135,
//      K_LMETA = 0x136,
        K_LSUPER = 0x137,  // Left "Windows" key
        K_RSUPER = 0x138,  // Right "Windows" key
        K_MODE = 0x139,    // "Alt Gr" key
//      K_COMPOSE = 0x13A, // Multi-key compose key
 
        // Miscellaneous function keys
        K_HELP = 0x13B,
        K_PRINT = 0x13C,
        K_SYSREQ = 0x13D,
//      K_BREAK = 0x13E,
        K_MENU = 0x13F,
        K_POWER = 0x140,   // Power Macintosh power key
//      K_EURO = 0x141,    // Some european keyboards
        K_UNDO = 0x142,
 
        // Application Control keys
        K_BACK = 0x143,
 
        // Some japanese keyboard keys are unknown to SDL.
        // That is; they are all mapped to SDL_Keycode=0
        // However, they can be recognized on their scancode
        // These keys are useful for Japanese users who want to map
        // their host keyboard to the Japanese MSX keyboard
        // (e.g. the MSX turbo R keyboard)
        // Define some codes above suspected SDL_Keycode value range, to
        // avoid clash with SDL_Keycode values
        K_ZENKAKU_HENKAKU   = 0x10000, // Enables EMI mode (MSX does this with CTRL+SPACE)
        K_MUHENKAN          = 0x10001, // ???
        K_HENKAN_MODE       = 0x10002, // Similar to kanalock on MSX
        K_HIRAGANA_KATAKANA = 0x10003, // MSX switches between the two sets based on capslock state
 
        // Modifiers
        KM_SHIFT    = 0x020000,
        KM_CTRL     = 0x040000,
        KM_ALT      = 0x080000,
        KM_META     = 0x100000,
        KM_MODE     = 0x200000,
 
        // Direction modifiers
        KD_PRESS    = 0,        // key press
        KD_RELEASE  = 0x400000 // key release
};
 
[[nodiscard]] KeyCode getCode(std::string_view name);
 
[[nodiscard]] std::pair<KeyCode, KeyCode> getCodes(
        SDL_Keycode keycode, Uint16 mod = KMOD_NONE, SDL_Scancode scancode = SDL_SCANCODE_UNKNOWN, bool release = false);
 
[[nodiscard]] std::string getName(KeyCode keyCode);
 
[[nodiscard]] inline KeyCode combine(KeyCode key, KeyCode modifier) {
        return static_cast<KeyCode>(int(key) | int(modifier));
}
 
} // namespace openmsx::Keys
 
#endif