2020-04-10 14:00:44 +00:00
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#pragma once
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#include "common/string.h"
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#include "common/types.h"
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#include <SDL.h>
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#include <array>
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#include <cstring>
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#include <map>
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#include <optional>
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#include <string_view>
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namespace SDLKeyNames {
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static const std::map<int, const char*> s_sdl_key_names = {{SDLK_RETURN, "Return"},
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{SDLK_ESCAPE, "Escape"},
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{SDLK_BACKSPACE, "Backspace"},
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{SDLK_TAB, "Tab"},
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{SDLK_SPACE, "Space"},
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{SDLK_EXCLAIM, "Exclam"},
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{SDLK_QUOTEDBL, "QuoteDbl"},
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{SDLK_HASH, "Hash"},
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{SDLK_PERCENT, "Percent"},
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{SDLK_DOLLAR, "Dollar"},
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{SDLK_AMPERSAND, "Ampersand"},
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{SDLK_QUOTE, "Apostrophe"},
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{SDLK_LEFTPAREN, "ParenLeft"},
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{SDLK_RIGHTPAREN, "ParenRight"},
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{SDLK_ASTERISK, "Asterisk"},
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{SDLK_PLUS, "PLus"},
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{SDLK_COMMA, "Comma"},
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{SDLK_MINUS, "Minus"},
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{SDLK_PERIOD, "Period"},
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{SDLK_SLASH, "Slash"},
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{SDLK_0, "0"},
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{SDLK_1, "1"},
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{SDLK_2, "2"},
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{SDLK_3, "3"},
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{SDLK_4, "4"},
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{SDLK_5, "5"},
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{SDLK_6, "6"},
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{SDLK_7, "7"},
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{SDLK_8, "8"},
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{SDLK_9, "9"},
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{SDLK_COLON, "Colon"},
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{SDLK_SEMICOLON, "Semcolon"},
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{SDLK_LESS, "Less"},
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{SDLK_EQUALS, "Equal"},
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{SDLK_GREATER, "Greater"},
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{SDLK_QUESTION, "Question"},
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{SDLK_AT, "AT"},
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{SDLK_LEFTBRACKET, "BracketLeft"},
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{SDLK_BACKSLASH, "Backslash"},
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{SDLK_RIGHTBRACKET, "BracketRight"},
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{SDLK_CARET, "Caret"},
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{SDLK_UNDERSCORE, "Underscore"},
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{SDLK_BACKQUOTE, "Backquote"},
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{SDLK_a, "A"},
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{SDLK_b, "B"},
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{SDLK_c, "C"},
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{SDLK_d, "D"},
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{SDLK_e, "E"},
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{SDLK_f, "F"},
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{SDLK_g, "G"},
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{SDLK_h, "H"},
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{SDLK_i, "I"},
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{SDLK_j, "J"},
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{SDLK_k, "K"},
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{SDLK_l, "L"},
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{SDLK_m, "M"},
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{SDLK_n, "N"},
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{SDLK_o, "O"},
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{SDLK_p, "P"},
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{SDLK_q, "Q"},
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{SDLK_r, "R"},
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{SDLK_s, "S"},
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{SDLK_t, "T"},
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{SDLK_u, "U"},
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{SDLK_v, "V"},
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{SDLK_w, "W"},
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{SDLK_x, "X"},
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{SDLK_y, "Y"},
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{SDLK_z, "Z"},
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{SDLK_CAPSLOCK, "CapsLock"},
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{SDLK_F1, "F1"},
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{SDLK_F2, "F2"},
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{SDLK_F3, "F3"},
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{SDLK_F4, "F4"},
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{SDLK_F5, "F5"},
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{SDLK_F6, "F6"},
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{SDLK_F7, "F7"},
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{SDLK_F8, "F8"},
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{SDLK_F9, "F9"},
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{SDLK_F10, "F10"},
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{SDLK_F11, "F11"},
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{SDLK_F12, "F12"},
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{SDLK_PRINTSCREEN, "Print"},
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{SDLK_SCROLLLOCK, "ScrollLock"},
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{SDLK_PAUSE, "Pause"},
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{SDLK_INSERT, "Insert"},
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{SDLK_HOME, "Home"},
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{SDLK_PAGEUP, "PageUp"},
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{SDLK_DELETE, "Delete"},
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{SDLK_END, "End"},
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{SDLK_PAGEDOWN, "PageDown"},
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{SDLK_RIGHT, "Right"},
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{SDLK_LEFT, "Left"},
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{SDLK_DOWN, "Down"},
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{SDLK_UP, "Up"},
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{SDLK_NUMLOCKCLEAR, "NumLock"},
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{SDLK_KP_DIVIDE, "Keypad+Divide"},
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{SDLK_KP_MULTIPLY, "Keypad+Multiply"},
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{SDLK_KP_MINUS, "Keypad+Minus"},
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{SDLK_KP_PLUS, "Keypad+Plus"},
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{SDLK_KP_ENTER, "Keypad+Return"},
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{SDLK_KP_1, "Keypad+1"},
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{SDLK_KP_2, "Keypad+2"},
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{SDLK_KP_3, "Keypad+3"},
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{SDLK_KP_4, "Keypad+4"},
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{SDLK_KP_5, "Keypad+5"},
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{SDLK_KP_6, "Keypad+6"},
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{SDLK_KP_7, "Keypad+7"},
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{SDLK_KP_8, "Keypad+8"},
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{SDLK_KP_9, "Keypad+9"},
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{SDLK_KP_0, "Keypad+0"},
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{SDLK_KP_PERIOD, "Keypad+Period"},
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{SDLK_APPLICATION, "Application"},
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{SDLK_POWER, "Power"},
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{SDLK_KP_EQUALS, "Keypad+Equal"},
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{SDLK_F13, "F13"},
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{SDLK_F14, "F14"},
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{SDLK_F15, "F15"},
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{SDLK_F16, "F16"},
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{SDLK_F17, "F17"},
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{SDLK_F18, "F18"},
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{SDLK_F19, "F19"},
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{SDLK_F20, "F20"},
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{SDLK_F21, "F21"},
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{SDLK_F22, "F22"},
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{SDLK_F23, "F23"},
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{SDLK_F24, "F24"},
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{SDLK_EXECUTE, "Execute"},
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{SDLK_HELP, "Help"},
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{SDLK_MENU, "Menu"},
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{SDLK_SELECT, "Select"},
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{SDLK_STOP, "Stop"},
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{SDLK_AGAIN, "Again"},
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{SDLK_UNDO, "Undo"},
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{SDLK_CUT, "Cut"},
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{SDLK_COPY, "Copy"},
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{SDLK_PASTE, "Paste"},
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{SDLK_FIND, "Find"},
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{SDLK_MUTE, "Mute"},
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{SDLK_VOLUMEUP, "VolumeUp"},
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{SDLK_VOLUMEDOWN, "VolumeDown"},
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{SDLK_KP_COMMA, "Keypad+Comma"},
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{SDLK_KP_EQUALSAS400, "Keypad+EqualAS400"},
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{SDLK_ALTERASE, "AltErase"},
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{SDLK_SYSREQ, "SysReq"},
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{SDLK_CANCEL, "Cancel"},
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{SDLK_CLEAR, "Clear"},
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{SDLK_PRIOR, "Prior"},
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{SDLK_RETURN2, "Return2"},
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{SDLK_SEPARATOR, "Separator"},
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{SDLK_OUT, "Out"},
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{SDLK_OPER, "Oper"},
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{SDLK_CLEARAGAIN, "ClearAgain"},
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{SDLK_CRSEL, "CrSel"},
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{SDLK_EXSEL, "ExSel"},
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{SDLK_KP_00, "Keypad+00"},
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{SDLK_KP_000, "Keypad+000"},
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{SDLK_THOUSANDSSEPARATOR, "ThousandsSeparator"},
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{SDLK_DECIMALSEPARATOR, "DecimalSeparator"},
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{SDLK_CURRENCYUNIT, "CurrencyUnit"},
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{SDLK_CURRENCYSUBUNIT, "CurrencySubunit"},
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{SDLK_KP_LEFTPAREN, "Keypad+ParenLeft"},
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{SDLK_KP_RIGHTPAREN, "Keypad+ParenRight"},
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{SDLK_KP_LEFTBRACE, "Keypad+LeftBrace"},
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{SDLK_KP_RIGHTBRACE, "Keypad+RightBrace"},
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{SDLK_KP_TAB, "Keypad+Tab"},
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{SDLK_KP_BACKSPACE, "Keypad+Backspace"},
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{SDLK_KP_A, "Keypad+A"},
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{SDLK_KP_B, "Keypad+B"},
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{SDLK_KP_C, "Keypad+C"},
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{SDLK_KP_D, "Keypad+D"},
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{SDLK_KP_E, "Keypad+E"},
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{SDLK_KP_F, "Keypad+F"},
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{SDLK_KP_XOR, "Keypad+XOR"},
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{SDLK_KP_POWER, "Keypad+Power"},
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{SDLK_KP_PERCENT, "Keypad+Percent"},
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{SDLK_KP_LESS, "Keypad+Less"},
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{SDLK_KP_GREATER, "Keypad+Greater"},
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{SDLK_KP_AMPERSAND, "Keypad+Ampersand"},
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{SDLK_KP_DBLAMPERSAND, "Keypad+AmpersandDbl"},
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{SDLK_KP_VERTICALBAR, "Keypad+Bar"},
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{SDLK_KP_DBLVERTICALBAR, "Keypad+BarDbl"},
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{SDLK_KP_COLON, "Keypad+Colon"},
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{SDLK_KP_HASH, "Keypad+Hash"},
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{SDLK_KP_SPACE, "Keypad+Space"},
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{SDLK_KP_AT, "Keypad+At"},
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{SDLK_KP_EXCLAM, "Keypad+Exclam"},
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{SDLK_KP_MEMSTORE, "Keypad+MemStore"},
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{SDLK_KP_MEMRECALL, "Keypad+MemRecall"},
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{SDLK_KP_MEMCLEAR, "Keypad+MemClear"},
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{SDLK_KP_MEMADD, "Keypad+MemAdd"},
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{SDLK_KP_MEMSUBTRACT, "Keypad+MemSubtract"},
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{SDLK_KP_MEMMULTIPLY, "Keypad+MemMultiply"},
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{SDLK_KP_MEMDIVIDE, "Keypad+MemDivide"},
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{SDLK_KP_PLUSMINUS, "Keypad+PlusMinus"},
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{SDLK_KP_CLEAR, "Keypad+Clear"},
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{SDLK_KP_CLEARENTRY, "Keypad+ClearEntry"},
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{SDLK_KP_BINARY, "Keypad+Binary"},
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{SDLK_KP_OCTAL, "Keypad+Octal"},
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{SDLK_KP_DECIMAL, "Keypad+Decimal"},
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{SDLK_KP_HEXADECIMAL, "Keypad+Hexadecimal"},
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{SDLK_LCTRL, "LeftControl"},
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{SDLK_LSHIFT, "LeftShift"},
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{SDLK_LALT, "LeftAlt"},
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{SDLK_LGUI, "Super_L"},
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{SDLK_RCTRL, "RightCtrl"},
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{SDLK_RSHIFT, "RightShift"},
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{SDLK_RALT, "RightAlt"},
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{SDLK_RGUI, "RightSuper"},
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{SDLK_MODE, "Mode"},
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{SDLK_AUDIONEXT, "MediaNext"},
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{SDLK_AUDIOPREV, "MediaPrevious"},
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{SDLK_AUDIOSTOP, "MediaStop"},
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{SDLK_AUDIOPLAY, "MediaPlay"},
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{SDLK_AUDIOMUTE, "VolumeMute"},
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{SDLK_MEDIASELECT, "MediaSelect"},
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{SDLK_WWW, "WWW"},
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{SDLK_MAIL, "Mail"},
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{SDLK_CALCULATOR, "Calculator"},
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{SDLK_COMPUTER, "Computer"},
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{SDLK_AC_SEARCH, "Search"},
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{SDLK_AC_HOME, "Home"},
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{SDLK_AC_BACK, "Back"},
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{SDLK_AC_FORWARD, "Forward"},
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{SDLK_AC_STOP, "Stop"},
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{SDLK_AC_REFRESH, "Refresh"},
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{SDLK_AC_BOOKMARKS, "Bookmarks"},
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{SDLK_BRIGHTNESSDOWN, "BrightnessDown"},
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{SDLK_BRIGHTNESSUP, "BrightnessUp"},
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{SDLK_DISPLAYSWITCH, "DisplaySwitch"},
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{SDLK_KBDILLUMTOGGLE, "IllumToggle"},
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{SDLK_KBDILLUMDOWN, "IllumDown"},
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{SDLK_KBDILLUMUP, "IllumUp"},
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{SDLK_EJECT, "Eject"},
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{SDLK_SLEEP, "Sleep"},
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{SDLK_APP1, "App1"},
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{SDLK_APP2, "App2"},
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{SDLK_AUDIOREWIND, "MediaRewind"},
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{SDLK_AUDIOFASTFORWARD, "MediaFastForward"}};
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struct SDLKeyModifierEntry
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{
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SDL_Keymod mod;
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SDL_Keymod mod_mask;
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SDL_Keycode key_left;
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SDL_Keycode key_right;
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const char* name;
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};
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2020-04-14 06:41:59 +00:00
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static const std::array<SDLKeyModifierEntry, 4> s_sdl_key_modifiers = {
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2020-04-10 14:00:44 +00:00
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{{KMOD_LSHIFT, static_cast<SDL_Keymod>(KMOD_LSHIFT | KMOD_RSHIFT), SDLK_LSHIFT, SDLK_RSHIFT, "Shift"},
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{KMOD_LCTRL, static_cast<SDL_Keymod>(KMOD_LCTRL | KMOD_LCTRL), SDLK_LCTRL, SDLK_RCTRL, "Control"},
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{KMOD_LALT, static_cast<SDL_Keymod>(KMOD_LALT | KMOD_RALT), SDLK_LALT, SDLK_RALT, "Alt"},
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{KMOD_LGUI, static_cast<SDL_Keymod>(KMOD_LGUI | KMOD_RGUI), SDLK_LGUI, SDLK_RGUI, "Meta"}}};
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const char* GetKeyName(SDL_Keycode key)
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{
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const auto it = s_sdl_key_names.find(key);
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return it == s_sdl_key_names.end() ? nullptr : it->second;
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}
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std::optional<SDL_Keycode> GetKeyCodeForName(const std::string_view key_name)
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{
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for (const auto& it : s_sdl_key_names)
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{
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if (key_name == it.second)
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return it.first;
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}
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return std::nullopt;
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}
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u32 KeyEventToInt(const SDL_Event* event)
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{
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u32 code = static_cast<u32>(event->key.keysym.sym);
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const SDL_Keymod mods = static_cast<SDL_Keymod>(event->key.keysym.mod);
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if (mods & (KMOD_LSHIFT | KMOD_RSHIFT))
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code |= static_cast<u32>(KMOD_LSHIFT) << 16;
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if (mods & (KMOD_LCTRL | KMOD_RCTRL))
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code |= static_cast<u32>(KMOD_LCTRL) << 16;
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if (mods & (KMOD_LALT | KMOD_RALT))
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code |= static_cast<u32>(KMOD_LALT) << 16;
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if (mods & (KMOD_LGUI | KMOD_RGUI))
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code |= static_cast<u32>(KMOD_LGUI) << 16;
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|
return code;
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}
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bool KeyEventToString(const SDL_Event* event, String& out_string)
|
|
|
|
|
{
|
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|
|
|
const SDL_Keycode key = event->key.keysym.sym;
|
|
|
|
|
const SDL_Keymod mods = static_cast<SDL_Keymod>(event->key.keysym.mod);
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|
|
const char* key_name = GetKeyName(event->key.keysym.sym);
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|
if (!key_name)
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|
return false;
|
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|
|
out_string.Clear();
|
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|
|
for (const SDLKeyModifierEntry& mod : s_sdl_key_modifiers)
|
|
|
|
|
{
|
|
|
|
|
if (mods & mod.mod_mask && key != mod.key_left && key != mod.key_right)
|
|
|
|
|
{
|
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|
|
|
out_string.AppendString(mod.name);
|
|
|
|
|
out_string.AppendCharacter('+');
|
|
|
|
|
}
|
|
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|
|
}
|
|
|
|
|
|
|
|
|
|
out_string.AppendString(key_name);
|
|
|
|
|
return true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
std::optional<u32> ParseKeyString(const std::string_view key_str)
|
|
|
|
|
{
|
|
|
|
|
u32 modifiers = 0;
|
|
|
|
|
std::string_view::size_type pos = 0;
|
|
|
|
|
for (;;)
|
|
|
|
|
{
|
|
|
|
|
std::string_view::size_type plus_pos = key_str.find('+', pos);
|
|
|
|
|
if (plus_pos == std::string_view::npos)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
const std::string_view mod_part = key_str.substr(pos, plus_pos - pos);
|
|
|
|
|
for (const SDLKeyModifierEntry& mod : s_sdl_key_modifiers)
|
|
|
|
|
{
|
|
|
|
|
if (mod_part == mod.name)
|
|
|
|
|
{
|
|
|
|
|
modifiers |= static_cast<int>(mod.mod);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
pos = plus_pos + 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
std::optional<SDL_Keycode> key_code = GetKeyCodeForName(key_str.substr(pos));
|
|
|
|
|
if (!key_code)
|
|
|
|
|
return std::nullopt;
|
|
|
|
|
|
|
|
|
|
return static_cast<u32>(key_code.value()) | (modifiers << 16);
|
|
|
|
|
}
|
|
|
|
|
} // namespace SDLKeyNames
|
