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https://github.com/RGBCube/serenity
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c8f27d7cb8
This scan code set is more advanced than the basic scan code set 1, and is required to be supported for some bare metal hardware that might not properly enable the PS2 first port translation in the i8042 controller. LibWeb can now also generate bindings for keyboard events like the Pause key, as well as other function keys (such as Right Alt, etc). The logic for handling scan code sets is implemented by the PS2 keyboard driver and is abstracted from the main HID KeyboardDevice code which only handles "standard" KeyEvent(s).
288 lines
12 KiB
C
288 lines
12 KiB
C
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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#define ENUMERATE_KEY_CODES \
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__ENUMERATE_KEY_CODE(Invalid, "Invalid") \
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__ENUMERATE_KEY_CODE(Escape, "Escape") \
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__ENUMERATE_KEY_CODE(Tab, "Tab") \
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__ENUMERATE_KEY_CODE(Backspace, "Backspace") \
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__ENUMERATE_KEY_CODE(Return, "Return") \
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__ENUMERATE_KEY_CODE(Insert, "Insert") \
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__ENUMERATE_KEY_CODE(Delete, "Delete") \
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__ENUMERATE_KEY_CODE(PrintScreen, "PrintScreen") \
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__ENUMERATE_KEY_CODE(PauseBreak, "PauseBreak") \
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__ENUMERATE_KEY_CODE(SysRq, "SysRq") \
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__ENUMERATE_KEY_CODE(Home, "Home") \
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__ENUMERATE_KEY_CODE(End, "End") \
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__ENUMERATE_KEY_CODE(Left, "Left") \
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__ENUMERATE_KEY_CODE(Up, "Up") \
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__ENUMERATE_KEY_CODE(Right, "Right") \
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__ENUMERATE_KEY_CODE(Down, "Down") \
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__ENUMERATE_KEY_CODE(PageUp, "PageUp") \
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__ENUMERATE_KEY_CODE(PageDown, "PageDown") \
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__ENUMERATE_KEY_CODE(LeftShift, "LeftShift") \
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__ENUMERATE_KEY_CODE(RightShift, "RightShift") \
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__ENUMERATE_KEY_CODE(Control, "Ctrl") \
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__ENUMERATE_KEY_CODE(RightControl, "RightCtrl") \
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__ENUMERATE_KEY_CODE(Alt, "Alt") \
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__ENUMERATE_KEY_CODE(RightAlt, "Alt") \
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__ENUMERATE_KEY_CODE(CapsLock, "CapsLock") \
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__ENUMERATE_KEY_CODE(NumLock, "NumLock") \
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__ENUMERATE_KEY_CODE(ScrollLock, "ScrollLock") \
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__ENUMERATE_KEY_CODE(F1, "F1") \
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__ENUMERATE_KEY_CODE(F2, "F2") \
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__ENUMERATE_KEY_CODE(F3, "F3") \
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__ENUMERATE_KEY_CODE(F4, "F4") \
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__ENUMERATE_KEY_CODE(F5, "F5") \
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__ENUMERATE_KEY_CODE(F6, "F6") \
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__ENUMERATE_KEY_CODE(F7, "F7") \
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__ENUMERATE_KEY_CODE(F8, "F8") \
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__ENUMERATE_KEY_CODE(F9, "F9") \
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__ENUMERATE_KEY_CODE(F10, "F10") \
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__ENUMERATE_KEY_CODE(F11, "F11") \
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__ENUMERATE_KEY_CODE(F12, "F12") \
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__ENUMERATE_KEY_CODE(Space, "Space") \
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__ENUMERATE_KEY_CODE(ExclamationPoint, "!") \
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__ENUMERATE_KEY_CODE(DoubleQuote, "\"") \
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__ENUMERATE_KEY_CODE(Hashtag, "#") \
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__ENUMERATE_KEY_CODE(Dollar, "$") \
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__ENUMERATE_KEY_CODE(Percent, "%") \
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__ENUMERATE_KEY_CODE(Ampersand, "&") \
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__ENUMERATE_KEY_CODE(Apostrophe, "'") \
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__ENUMERATE_KEY_CODE(LeftParen, "(") \
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__ENUMERATE_KEY_CODE(RightParen, ")") \
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__ENUMERATE_KEY_CODE(Asterisk, "*") \
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__ENUMERATE_KEY_CODE(Plus, "+") \
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__ENUMERATE_KEY_CODE(Comma, ",") \
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__ENUMERATE_KEY_CODE(Minus, "-") \
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__ENUMERATE_KEY_CODE(Period, ".") \
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__ENUMERATE_KEY_CODE(Slash, "/") \
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__ENUMERATE_KEY_CODE(0, "0") \
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__ENUMERATE_KEY_CODE(1, "1") \
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__ENUMERATE_KEY_CODE(2, "2") \
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__ENUMERATE_KEY_CODE(3, "3") \
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__ENUMERATE_KEY_CODE(4, "4") \
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__ENUMERATE_KEY_CODE(5, "5") \
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__ENUMERATE_KEY_CODE(6, "6") \
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__ENUMERATE_KEY_CODE(7, "7") \
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__ENUMERATE_KEY_CODE(8, "8") \
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__ENUMERATE_KEY_CODE(9, "9") \
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__ENUMERATE_KEY_CODE(Colon, ":") \
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__ENUMERATE_KEY_CODE(Semicolon, ";") \
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__ENUMERATE_KEY_CODE(LessThan, "<") \
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__ENUMERATE_KEY_CODE(Equal, "=") \
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__ENUMERATE_KEY_CODE(GreaterThan, ">") \
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__ENUMERATE_KEY_CODE(QuestionMark, "?") \
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__ENUMERATE_KEY_CODE(AtSign, "@") \
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__ENUMERATE_KEY_CODE(A, "A") \
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__ENUMERATE_KEY_CODE(B, "B") \
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__ENUMERATE_KEY_CODE(C, "C") \
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__ENUMERATE_KEY_CODE(D, "D") \
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__ENUMERATE_KEY_CODE(E, "E") \
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__ENUMERATE_KEY_CODE(F, "F") \
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__ENUMERATE_KEY_CODE(G, "G") \
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__ENUMERATE_KEY_CODE(H, "H") \
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__ENUMERATE_KEY_CODE(I, "I") \
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__ENUMERATE_KEY_CODE(J, "J") \
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__ENUMERATE_KEY_CODE(K, "K") \
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__ENUMERATE_KEY_CODE(L, "L") \
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__ENUMERATE_KEY_CODE(M, "M") \
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__ENUMERATE_KEY_CODE(N, "N") \
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__ENUMERATE_KEY_CODE(O, "O") \
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__ENUMERATE_KEY_CODE(P, "P") \
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__ENUMERATE_KEY_CODE(Q, "Q") \
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__ENUMERATE_KEY_CODE(R, "R") \
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__ENUMERATE_KEY_CODE(S, "S") \
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__ENUMERATE_KEY_CODE(T, "T") \
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__ENUMERATE_KEY_CODE(U, "U") \
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__ENUMERATE_KEY_CODE(V, "V") \
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__ENUMERATE_KEY_CODE(W, "W") \
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__ENUMERATE_KEY_CODE(X, "X") \
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__ENUMERATE_KEY_CODE(Y, "Y") \
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__ENUMERATE_KEY_CODE(Z, "Z") \
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__ENUMERATE_KEY_CODE(LeftBracket, "[") \
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__ENUMERATE_KEY_CODE(RightBracket, "]") \
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__ENUMERATE_KEY_CODE(Backslash, "\\") \
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__ENUMERATE_KEY_CODE(Circumflex, "^") \
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__ENUMERATE_KEY_CODE(Underscore, "_") \
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__ENUMERATE_KEY_CODE(LeftBrace, "{") \
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__ENUMERATE_KEY_CODE(RightBrace, "}") \
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__ENUMERATE_KEY_CODE(Pipe, "|") \
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__ENUMERATE_KEY_CODE(Tilde, "~") \
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__ENUMERATE_KEY_CODE(Backtick, "`") \
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__ENUMERATE_KEY_CODE(Super, "Super") \
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__ENUMERATE_KEY_CODE(BrowserSearch, "BrowserSearch") \
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__ENUMERATE_KEY_CODE(BrowserFavorites, "BrowserFavorites") \
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__ENUMERATE_KEY_CODE(BrowserHome, "BrowserHome") \
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__ENUMERATE_KEY_CODE(PreviousTrack, "PreviousTrack") \
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__ENUMERATE_KEY_CODE(BrowserBack, "BrowserBack") \
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__ENUMERATE_KEY_CODE(BrowserForward, "BrowserForward") \
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__ENUMERATE_KEY_CODE(BrowserRefresh, "BrowserRefresh") \
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__ENUMERATE_KEY_CODE(BrowserStop, "BrowserStop") \
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__ENUMERATE_KEY_CODE(VolumeDown, "VolumeDown") \
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__ENUMERATE_KEY_CODE(VolumeUp, "VolumeUp") \
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__ENUMERATE_KEY_CODE(Wake, "Wake") \
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__ENUMERATE_KEY_CODE(Sleep, "Sleep") \
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__ENUMERATE_KEY_CODE(NextTrack, "NextTrack") \
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__ENUMERATE_KEY_CODE(MediaSelect, "MediaSelect") \
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__ENUMERATE_KEY_CODE(Email, "Email") \
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__ENUMERATE_KEY_CODE(MyComputer, "MyComputer") \
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__ENUMERATE_KEY_CODE(Power, "Power") \
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__ENUMERATE_KEY_CODE(Stop, "Stop") \
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__ENUMERATE_KEY_CODE(LeftGUI, "LeftGUI") \
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__ENUMERATE_KEY_CODE(Mute, "Mute") \
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__ENUMERATE_KEY_CODE(RightGUI, "RightGUI") \
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__ENUMERATE_KEY_CODE(Calculator, "Calculator") \
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__ENUMERATE_KEY_CODE(Apps, "Apps") \
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__ENUMERATE_KEY_CODE(PlayPause, "PlayPause") \
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__ENUMERATE_KEY_CODE(Menu, "Menu")
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enum KeyCode : u8 {
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#define __ENUMERATE_KEY_CODE(name, ui_name) Key_##name,
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ENUMERATE_KEY_CODES
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#undef __ENUMERATE_KEY_CODE
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Key_Shift
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= Key_LeftShift,
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};
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int const key_code_count = Key_Menu;
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enum KeyModifier {
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Mod_None = 0x00,
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Mod_Alt = (1 << 0),
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Mod_Ctrl = (1 << 1),
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Mod_Shift = (1 << 2),
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Mod_Super = (1 << 3),
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Mod_AltGr = (1 << 4),
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Mod_Keypad = (1 << 5),
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Mod_Mask = Mod_Alt | Mod_Ctrl | Mod_Shift | Mod_Super | Mod_AltGr | Mod_Keypad,
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Is_Press = 0x80,
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};
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struct KeyEvent {
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KeyCode key { Key_Invalid };
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u8 map_entry_index { 0 };
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u64 scancode { 0 };
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u32 code_point { 0 };
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u8 flags { 0 };
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bool caps_lock_on { false };
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bool alt() const { return flags & Mod_Alt; }
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bool ctrl() const { return flags & Mod_Ctrl; }
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bool shift() const { return flags & Mod_Shift; }
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bool super() const { return flags & Mod_Super; }
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bool altgr() const { return flags & Mod_AltGr; }
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bool keypad() const { return flags & Mod_Keypad; }
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unsigned modifiers() const { return flags & Mod_Mask; }
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bool is_press() const { return flags & Is_Press; }
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};
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inline char const* key_code_to_string(KeyCode key)
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{
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switch (key) {
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#define __ENUMERATE_KEY_CODE(name, ui_name) \
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case Key_##name: \
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return ui_name;
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ENUMERATE_KEY_CODES
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#undef __ENUMERATE_KEY_CODE
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default:
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return nullptr;
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}
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}
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inline KeyCode code_point_to_key_code(u32 code_point)
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{
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switch (code_point) {
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#define MATCH_ALPHA(letter) \
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case #letter[0]: \
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case #letter[0] + 32: \
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return KeyCode::Key_##letter;
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MATCH_ALPHA(A)
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MATCH_ALPHA(B)
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MATCH_ALPHA(C)
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MATCH_ALPHA(D)
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MATCH_ALPHA(E)
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MATCH_ALPHA(F)
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MATCH_ALPHA(G)
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MATCH_ALPHA(H)
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MATCH_ALPHA(I)
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MATCH_ALPHA(J)
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MATCH_ALPHA(K)
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MATCH_ALPHA(L)
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MATCH_ALPHA(M)
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MATCH_ALPHA(N)
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MATCH_ALPHA(O)
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MATCH_ALPHA(P)
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MATCH_ALPHA(Q)
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MATCH_ALPHA(R)
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MATCH_ALPHA(S)
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MATCH_ALPHA(T)
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MATCH_ALPHA(U)
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MATCH_ALPHA(V)
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MATCH_ALPHA(W)
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MATCH_ALPHA(X)
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MATCH_ALPHA(Y)
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MATCH_ALPHA(Z)
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#undef MATCH_ALPHA
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#define MATCH_KEY(name, character) \
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case character: \
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return KeyCode::Key_##name;
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MATCH_KEY(ExclamationPoint, '!')
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MATCH_KEY(DoubleQuote, '"')
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MATCH_KEY(Hashtag, '#')
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MATCH_KEY(Dollar, '$')
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MATCH_KEY(Percent, '%')
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MATCH_KEY(Ampersand, '&')
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MATCH_KEY(Apostrophe, '\'')
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MATCH_KEY(LeftParen, '(')
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MATCH_KEY(RightParen, ')')
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MATCH_KEY(Asterisk, '*')
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MATCH_KEY(Plus, '+')
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MATCH_KEY(Comma, ',')
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MATCH_KEY(Minus, '-')
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MATCH_KEY(Period, '.')
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MATCH_KEY(Slash, '/')
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MATCH_KEY(0, '0')
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MATCH_KEY(1, '1')
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MATCH_KEY(2, '2')
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MATCH_KEY(3, '3')
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MATCH_KEY(4, '4')
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MATCH_KEY(5, '5')
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MATCH_KEY(6, '6')
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MATCH_KEY(7, '7')
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MATCH_KEY(8, '8')
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MATCH_KEY(9, '9')
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MATCH_KEY(Colon, ':')
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MATCH_KEY(Semicolon, ';')
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MATCH_KEY(LessThan, '<')
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MATCH_KEY(Equal, '=')
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MATCH_KEY(GreaterThan, '>')
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MATCH_KEY(QuestionMark, '?')
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MATCH_KEY(AtSign, '@')
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MATCH_KEY(LeftBracket, '[')
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MATCH_KEY(RightBracket, ']')
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MATCH_KEY(Backslash, '\\')
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MATCH_KEY(Circumflex, '^')
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MATCH_KEY(Underscore, '_')
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MATCH_KEY(LeftBrace, '{')
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MATCH_KEY(RightBrace, '}')
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MATCH_KEY(Pipe, '|')
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MATCH_KEY(Tilde, '~')
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MATCH_KEY(Backtick, '`')
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MATCH_KEY(Space, ' ')
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MATCH_KEY(Tab, '\t')
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MATCH_KEY(Backspace, '\b')
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#undef MATCH_KEY
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default:
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return KeyCode::Key_Invalid;
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}
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}
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