key_event.hpp

#pragma once
#include <SDL.h>

class KeyEvent
{
public:
  enum Key {
    K0 = SDLK_0,
    K1 = SDLK_1,
    K2 = SDLK_2,
    K3 = SDLK_3,
    K4 = SDLK_4,
    K5 = SDLK_5,
    K6 = SDLK_6,
    K7 = SDLK_7,
    K8 = SDLK_8,
    K9 = SDLK_9,
    KA = SDLK_a,
    KAcBack = SDLK_AC_BACK, // the Back key (application control keypad)
    KAcBookmarks = SDLK_AC_BOOKMARKS, // the Bookmarks key (application control keypad)
    KAcForward = SDLK_AC_FORWARD, // the Forward key (application control keypad)
    KAcHome = SDLK_AC_HOME, // the Home key (application control keypad)
    KAcRefresh = SDLK_AC_REFRESH,// the Refresh key (application control keypad)
    KAcSearch = SDLK_AC_SEARCH, // the Search key (application control keypad)
    KAcStop = SDLK_AC_STOP, // the Stop key (application control keypad)
    KAgain = SDLK_AGAIN, // the Again key (Redo)
    KAltErase = SDLK_ALTERASE, // Erase-Eaze
    KQuote = SDLK_QUOTE,
    KApplication = SDLK_APPLICATION, // the Application / Compose / Context Menu (Windows) key
    KAudioMute = SDLK_AUDIOMUTE, // the Mute volume key
    KAudioNext = SDLK_AUDIONEXT, // the Next Track media key
    KAudioPlay = SDLK_AUDIOPLAY, // the Play media key
    KAudioPrev = SDLK_AUDIOPREV, // the Previous Track media key
    KAudioStop = SDLK_AUDIOSTOP, // the Stop media key
    KB = SDLK_b,
    KBackslash = SDLK_BACKSLASH,
    KBackspace = SDLK_BACKSPACE,
    KBrightnessDown = SDLK_BRIGHTNESSDOWN,
    KBrightnessUp = SDLK_BRIGHTNESSUP,
    KC = SDLK_c,
    KCalculator = SDLK_CALCULATOR,
    KCancel = SDLK_CANCEL,
    KCapsLock = SDLK_CAPSLOCK,
    KClear = SDLK_CLEAR,
    KClearAgain = SDLK_CLEARAGAIN,
    KComma = SDLK_COMMA,
    KComputer = SDLK_COMPUTER,
    KCopy = SDLK_COPY,
    KCrSel = SDLK_CRSEL,
    KCurrencySubUnit = SDLK_CURRENCYSUBUNIT,
    KCurrencyUnit = SDLK_CURRENCYUNIT,
    KCut = SDLK_CUT,
    KD = SDLK_d,
    KDecimalSeparator = SDLK_DECIMALSEPARATOR,
    KDelete = SDLK_DELETE,
    KDisplaySwitch = SDLK_DISPLAYSWITCH,
    KDown = SDLK_DOWN,
    KE = SDLK_e,
    KEject = SDLK_EJECT,
    KEnd = SDLK_END,
    KEquals = SDLK_EQUALS,
    KEscape = SDLK_ESCAPE,
    KExecute = SDLK_EXECUTE,
    KExSel = SDLK_EXSEL,
    KF = SDLK_f,
    KF1 = SDLK_F1,
    KF10 = SDLK_F10,
    KF11 = SDLK_F11,
    KF12 = SDLK_F12,
    KF13 = SDLK_F13,
    KF14 = SDLK_F14,
    KF15 = SDLK_F15,
    KF16 = SDLK_F16,
    KF17 = SDLK_F17,
    KF18 = SDLK_F18,
    KF19 = SDLK_F19,
    KF2 = SDLK_F2,
    KF20 = SDLK_F20,
    KF21 = SDLK_F21,
    KF22 = SDLK_F22,
    KF23 = SDLK_F23,
    KF24 = SDLK_F24,
    KF3 = SDLK_F3,
    KF4 = SDLK_F4,
    KF5 = SDLK_F5,
    KF6 = SDLK_F6,
    KF7 = SDLK_F7,
    KF8 = SDLK_F8,
    KF9 = SDLK_F9,
    KFind = SDLK_FIND,
    KG = SDLK_g,
    KBackquate = SDLK_BACKQUOTE,
    KH = SDLK_h,
    KHelp = SDLK_HELP,
    KHome = SDLK_HOME,
    KI = SDLK_i,
    KInsert = SDLK_INSERT,
    KJ = SDLK_j,
    KK = SDLK_k,
    KKbdIllumDown = SDLK_KBDILLUMDOWN, // the Keyboard Illumination Down key
    KKbdIllumToggle = SDLK_KBDILLUMTOGGLE, // the Keyboard Illumination Toggle key
    KKbdIllumUp = SDLK_KBDILLUMUP, // the Keyboard Illumination Up key
    KKeypad0 = SDLK_KP_0,
    KKeypad00 = SDLK_KP_00,
    KKeypad000 = SDLK_KP_000,
    KKeypad1 = SDLK_KP_1,
    KKeypad2 = SDLK_KP_2,
    KKeypad3 = SDLK_KP_3,
    KKeypad4 = SDLK_KP_4,
    KKeypad5 = SDLK_KP_5,
    KKeypad6 = SDLK_KP_6,
    KKeypad7 = SDLK_KP_7,
    KKeypad8 = SDLK_KP_8,
    KKeypad9 = SDLK_KP_9,
    KKeypadA = SDLK_KP_A,
    KKeypadAmpersand = SDLK_KP_AMPERSAND,
    KKeypadAt = SDLK_KP_AT,
    KKeypadB = SDLK_KP_B,
    KKeypadBackspace = SDLK_KP_BACKSPACE,
    KKeypadBinary = SDLK_KP_BINARY,
    KKeypadC = SDLK_KP_C,
    KKeypadClear = SDLK_KP_CLEAR,
    KKeypadClearEntry = SDLK_KP_CLEARENTRY,
    KKeypadColon = SDLK_KP_COLON,
    KKeypadComma = SDLK_KP_COMMA,
    KKeypadD = SDLK_KP_D,
    KKeypadDblAmpersand = SDLK_KP_DBLAMPERSAND,
    KKeypadDblVerticalBar = SDLK_KP_DBLVERTICALBAR,
    KKeypadDecimal = SDLK_KP_DECIMAL,
    KKeypadDivide = SDLK_KP_DIVIDE,
    KKeypadE = SDLK_KP_E,
    KKeypadEnter = SDLK_KP_ENTER,
    KKeypadEquals = SDLK_KP_EQUALS,
    KKeypadEqualsAs400 = SDLK_KP_EQUALSAS400,
    KKeypadExclam = SDLK_KP_EXCLAM,
    KKeypadF = SDLK_KP_F,
    KKeypadFreater = SDLK_KP_GREATER,
    KKeypadHash = SDLK_KP_HASH,
    KKeypadHexadecimal = SDLK_KP_HEXADECIMAL,
    KKeypadLeftBrace = SDLK_KP_LEFTBRACE,
    KKeypadLeftParen = SDLK_KP_LEFTPAREN,
    KKeypadLess = SDLK_KP_LESS,
    KKeypadMemAdd = SDLK_KP_MEMADD,
    KKeypadMemClear = SDLK_KP_MEMCLEAR,
    KKeypadMemDivide = SDLK_KP_MEMDIVIDE,
    KKeypadMemMultiply = SDLK_KP_MEMMULTIPLY,
    KKeypadMemRecall = SDLK_KP_MEMRECALL,
    KKeypadMemStore = SDLK_KP_MEMSTORE,
    KKeypadMemSubtract = SDLK_KP_MEMSUBTRACT,
    KKeypadMinus = SDLK_KP_MINUS,
    KKeypadMultiply = SDLK_KP_MULTIPLY,
    KKeypadOctal = SDLK_KP_OCTAL,
    KKeypadPercent = SDLK_KP_PERCENT,
    KKeypadPeriod = SDLK_KP_PERIOD,
    KKeypadPlus = SDLK_KP_PLUS,
    KKeypadPlusMinus = SDLK_KP_PLUSMINUS,
    KKeypadPower = SDLK_KP_POWER,
    KKeypadRightBrace = SDLK_KP_RIGHTBRACE,
    KKeypadRightParen = SDLK_KP_RIGHTPAREN,
    KKeypadSpace = SDLK_KP_SPACE,
    KKeypadTab = SDLK_KP_TAB,
    KKeypadVerticalBar = SDLK_KP_VERTICALBAR,
    KKeypadXor = SDLK_KP_XOR,
    KL = SDLK_l,
    KLeftAlt = SDLK_LALT,
    KLeftCtrl = SDLK_LCTRL,
    KLeft = SDLK_LEFT,
    KLeftBracket = SDLK_LEFTBRACKET,
    KLeftGui = SDLK_LGUI,
    KLeftShift = SDLK_LSHIFT,
    KM = SDLK_m,
    KMail = SDLK_MAIL,
    KMediaSelect = SDLK_MEDIASELECT,
    KMenu = SDLK_MENU,
    KMinus = SDLK_MINUS,
    KModeSwitch = SDLK_MODE,
    KMute = SDLK_MUTE,
    KN = SDLK_n,
    KNumlock = SDLK_NUMLOCKCLEAR,
    KO = SDLK_o,
    KOper = SDLK_OPER,
    KOut = SDLK_OUT,
    KP = SDLK_p,
    KPageDown = SDLK_PAGEDOWN,
    KPageUp = SDLK_PAGEUP,
    KPaste = SDLK_PASTE,
    KPause = SDLK_PAUSE,
    KPeriod = SDLK_PERIOD,
    KPower = SDLK_POWER, // The USB document says this is a status flag, not a physical key - but some Mac keyboards do have a power key.
    KPrintScreen = SDLK_PRINTSCREEN,
    KPrior = SDLK_PRIOR,
    KQ = SDLK_q,
    KR = SDLK_r,
    KRightAlt = SDLK_RALT,
    KRightCtrl = SDLK_RCTRL,
    KReturn = SDLK_RETURN,
    KReturn2 = SDLK_RETURN2,
    KRightGUI = SDLK_RGUI, // windows, command (apple), meta
    KRight = SDLK_RIGHT,
    KRightBracket = SDLK_RIGHTBRACKET,
    KRightShift = SDLK_RSHIFT,
    KS = SDLK_s,
    KScrollLock = SDLK_SCROLLLOCK,
    KSelect = SDLK_SELECT,
    KSemicolon = SDLK_SEMICOLON,
    KSeparator = SDLK_SEPARATOR,
    KSlash = SDLK_SLASH,
    KSleep = SDLK_SLEEP,
    KSpace = SDLK_SPACE,
    KStop = SDLK_STOP,
    KSysReq = SDLK_SYSREQ,
    KT = SDLK_t,
    KTab = SDLK_TAB,
    KThousandsSeparator = SDLK_THOUSANDSSEPARATOR,
    KU = SDLK_u,
    KUndo = SDLK_UNDO,
    KUnknown = SDLK_UNKNOWN,
    KUp = SDLK_UP,
    KV = SDLK_v,
    KVolumeDown = SDLK_VOLUMEDOWN,
    KVolumeUp = SDLK_VOLUMEUP,
    KW = SDLK_w,
    KWww = SDLK_WWW,
    KX = SDLK_x,
    KY = SDLK_y,
    KZ = SDLK_z,
    KAmpersand = SDLK_AMPERSAND,
    KAsterisk = SDLK_ASTERISK,
    KAt = SDLK_AT,
    KCaret = SDLK_CARET,
    KColon = SDLK_COLON,
    KDollar = SDLK_DOLLAR,
    KExclaim = SDLK_EXCLAIM,
    KGreater = SDLK_GREATER,
    KHash = SDLK_HASH,
    KLeftParen = SDLK_LEFTPAREN,
    KLess = SDLK_LESS,
    KPercent = SDLK_PERCENT,
    KPlus = SDLK_PLUS,
    KQuestion = SDLK_QUESTION,
    KQuoteDbl = SDLK_QUOTEDBL,
    KRightParen = SDLK_RIGHTPAREN,
    KUnderscore = SDLK_UNDERSCORE
  };
  enum Modifier { 
    MNone = KMOD_NONE, // 0 (no modifier is applicable)
    MLShift = KMOD_LSHIFT, // the left Shift key is down
    MRShift = KMOD_RSHIFT, // the right Shift key is down
    MLCtrl = KMOD_LCTRL, // the left Ctrl (Control) key is down
    MRCtrl = KMOD_RCTRL, // the right Ctrl (Control) key is down
    MLAlt = KMOD_LALT, // the left Alt key is down
    MRAlt = KMOD_RALT, // the right Alt key is down
    MLGui = KMOD_LGUI, // the left GUI key (often the Windows key) is down
    MRGui = KMOD_RGUI, // the right GUI key (often the Windows key) is down
    MNum = KMOD_NUM, // the Num Lock key (may be located on an extended keypad) is down
    MCaps = KMOD_CAPS, // the Caps Lock key is down
    MMode = KMOD_MODE, // the AltGr key is down
    MCtrl = KMOD_CTRL, // (KMOD_LCTRL|KMOD_RCTRL)
    MShift = KMOD_SHIFT, // (KMOD_LSHIFT|KMOD_RSHIFT)
    MAlt = KMOD_ALT, // (KMOD_LALT|KMOD_RALT)
    MGui = KMOD_GUI, // (KMOD_LGUI|KMOD_RGUI)
    MRESERVED = KMOD_RESERVED, // reserved for future use
  };
  KeyEvent(Key, unsigned modifiers = MNone, bool autoRepeat = false);
  bool isAutoRepeat() const;
  Key key() const;
  unsigned modifiers() const;
private:
  bool autoRepeat_;
  Key key_;
  unsigned modifiers_;
};