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serenity/Kernel/API/KeyCode.h
Liav A b89cc81674 Kernel/HID: Expose character map index in the KeyEvent structure 
This will be used later on by WindowServer so it will not use the
scancode, which will represent the actual character index in the
keyboard mapping when using scan code set 2.
2023-12-29 16:40:59 +01:00

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#define ENUMERATE_KEY_CODES \
__ENUMERATE_KEY_CODE(Invalid, "Invalid") \
__ENUMERATE_KEY_CODE(Escape, "Escape") \
__ENUMERATE_KEY_CODE(Tab, "Tab") \
__ENUMERATE_KEY_CODE(Backspace, "Backspace") \
__ENUMERATE_KEY_CODE(Return, "Return") \
__ENUMERATE_KEY_CODE(Insert, "Insert") \
__ENUMERATE_KEY_CODE(Delete, "Delete") \
__ENUMERATE_KEY_CODE(PrintScreen, "PrintScreen") \
__ENUMERATE_KEY_CODE(SysRq, "SysRq") \
__ENUMERATE_KEY_CODE(Home, "Home") \
__ENUMERATE_KEY_CODE(End, "End") \
__ENUMERATE_KEY_CODE(Left, "Left") \
__ENUMERATE_KEY_CODE(Up, "Up") \
__ENUMERATE_KEY_CODE(Right, "Right") \
__ENUMERATE_KEY_CODE(Down, "Down") \
__ENUMERATE_KEY_CODE(PageUp, "PageUp") \
__ENUMERATE_KEY_CODE(PageDown, "PageDown") \
__ENUMERATE_KEY_CODE(LeftShift, "LeftShift") \
__ENUMERATE_KEY_CODE(RightShift, "RightShift") \
__ENUMERATE_KEY_CODE(Control, "Ctrl") \
__ENUMERATE_KEY_CODE(Alt, "Alt") \
__ENUMERATE_KEY_CODE(CapsLock, "CapsLock") \
__ENUMERATE_KEY_CODE(NumLock, "NumLock") \
__ENUMERATE_KEY_CODE(ScrollLock, "ScrollLock") \
__ENUMERATE_KEY_CODE(F1, "F1") \
__ENUMERATE_KEY_CODE(F2, "F2") \
__ENUMERATE_KEY_CODE(F3, "F3") \
__ENUMERATE_KEY_CODE(F4, "F4") \
__ENUMERATE_KEY_CODE(F5, "F5") \
__ENUMERATE_KEY_CODE(F6, "F6") \
__ENUMERATE_KEY_CODE(F7, "F7") \
__ENUMERATE_KEY_CODE(F8, "F8") \
__ENUMERATE_KEY_CODE(F9, "F9") \
__ENUMERATE_KEY_CODE(F10, "F10") \
__ENUMERATE_KEY_CODE(F11, "F11") \
__ENUMERATE_KEY_CODE(F12, "F12") \
__ENUMERATE_KEY_CODE(Space, "Space") \
__ENUMERATE_KEY_CODE(ExclamationPoint, "!") \
__ENUMERATE_KEY_CODE(DoubleQuote, "\"") \
__ENUMERATE_KEY_CODE(Hashtag, "#") \
__ENUMERATE_KEY_CODE(Dollar, "$") \
__ENUMERATE_KEY_CODE(Percent, "%") \
__ENUMERATE_KEY_CODE(Ampersand, "&") \
__ENUMERATE_KEY_CODE(Apostrophe, "'") \
__ENUMERATE_KEY_CODE(LeftParen, "(") \
__ENUMERATE_KEY_CODE(RightParen, ")") \
__ENUMERATE_KEY_CODE(Asterisk, "*") \
__ENUMERATE_KEY_CODE(Plus, "+") \
__ENUMERATE_KEY_CODE(Comma, ",") \
__ENUMERATE_KEY_CODE(Minus, "-") \
__ENUMERATE_KEY_CODE(Period, ".") \
__ENUMERATE_KEY_CODE(Slash, "/") \
__ENUMERATE_KEY_CODE(0, "0") \
__ENUMERATE_KEY_CODE(1, "1") \
__ENUMERATE_KEY_CODE(2, "2") \
__ENUMERATE_KEY_CODE(3, "3") \
__ENUMERATE_KEY_CODE(4, "4") \
__ENUMERATE_KEY_CODE(5, "5") \
__ENUMERATE_KEY_CODE(6, "6") \
__ENUMERATE_KEY_CODE(7, "7") \
__ENUMERATE_KEY_CODE(8, "8") \
__ENUMERATE_KEY_CODE(9, "9") \
__ENUMERATE_KEY_CODE(Colon, ":") \
__ENUMERATE_KEY_CODE(Semicolon, ";") \
__ENUMERATE_KEY_CODE(LessThan, "<") \
__ENUMERATE_KEY_CODE(Equal, "=") \
__ENUMERATE_KEY_CODE(GreaterThan, ">") \
__ENUMERATE_KEY_CODE(QuestionMark, "?") \
__ENUMERATE_KEY_CODE(AtSign, "@") \
__ENUMERATE_KEY_CODE(A, "A") \
__ENUMERATE_KEY_CODE(B, "B") \
__ENUMERATE_KEY_CODE(C, "C") \
__ENUMERATE_KEY_CODE(D, "D") \
__ENUMERATE_KEY_CODE(E, "E") \
__ENUMERATE_KEY_CODE(F, "F") \
__ENUMERATE_KEY_CODE(G, "G") \
__ENUMERATE_KEY_CODE(H, "H") \
__ENUMERATE_KEY_CODE(I, "I") \
__ENUMERATE_KEY_CODE(J, "J") \
__ENUMERATE_KEY_CODE(K, "K") \
__ENUMERATE_KEY_CODE(L, "L") \
__ENUMERATE_KEY_CODE(M, "M") \
__ENUMERATE_KEY_CODE(N, "N") \
__ENUMERATE_KEY_CODE(O, "O") \
__ENUMERATE_KEY_CODE(P, "P") \
__ENUMERATE_KEY_CODE(Q, "Q") \
__ENUMERATE_KEY_CODE(R, "R") \
__ENUMERATE_KEY_CODE(S, "S") \
__ENUMERATE_KEY_CODE(T, "T") \
__ENUMERATE_KEY_CODE(U, "U") \
__ENUMERATE_KEY_CODE(V, "V") \
__ENUMERATE_KEY_CODE(W, "W") \
__ENUMERATE_KEY_CODE(X, "X") \
__ENUMERATE_KEY_CODE(Y, "Y") \
__ENUMERATE_KEY_CODE(Z, "Z") \
__ENUMERATE_KEY_CODE(LeftBracket, "[") \
__ENUMERATE_KEY_CODE(RightBracket, "]") \
__ENUMERATE_KEY_CODE(Backslash, "\\") \
__ENUMERATE_KEY_CODE(Circumflex, "^") \
__ENUMERATE_KEY_CODE(Underscore, "_") \
__ENUMERATE_KEY_CODE(LeftBrace, "{") \
__ENUMERATE_KEY_CODE(RightBrace, "}") \
__ENUMERATE_KEY_CODE(Pipe, "|") \
__ENUMERATE_KEY_CODE(Tilde, "~") \
__ENUMERATE_KEY_CODE(Backtick, "`") \
__ENUMERATE_KEY_CODE(Super, "Super") \
__ENUMERATE_KEY_CODE(Menu, "Menu")
enum KeyCode : u8 {
#define __ENUMERATE_KEY_CODE(name, ui_name) Key_##name,
ENUMERATE_KEY_CODES
#undef __ENUMERATE_KEY_CODE
Key_Shift
= Key_LeftShift,
};
int const key_code_count = Key_Menu;
enum KeyModifier {
Mod_None = 0x00,
Mod_Alt = (1 << 0),
Mod_Ctrl = (1 << 1),
Mod_Shift = (1 << 2),
Mod_Super = (1 << 3),
Mod_AltGr = (1 << 4),
Mod_Keypad = (1 << 5),
Mod_Mask = Mod_Alt | Mod_Ctrl | Mod_Shift | Mod_Super | Mod_AltGr | Mod_Keypad,
Is_Press = 0x80,
};
struct KeyEvent {
KeyCode key { Key_Invalid };
u8 map_entry_index { 0 };
u32 scancode { 0 };
u32 code_point { 0 };
u8 flags { 0 };
bool caps_lock_on { false };
bool e0_prefix { false };
bool alt() const { return flags & Mod_Alt; }
bool ctrl() const { return flags & Mod_Ctrl; }
bool shift() const { return flags & Mod_Shift; }
bool super() const { return flags & Mod_Super; }
bool altgr() const { return flags & Mod_AltGr; }
bool keypad() const { return flags & Mod_Keypad; }
unsigned modifiers() const { return flags & Mod_Mask; }
bool is_press() const { return flags & Is_Press; }
};
inline char const* key_code_to_string(KeyCode key)
{
switch (key) {
#define __ENUMERATE_KEY_CODE(name, ui_name) \
case Key_##name: \
return ui_name;
ENUMERATE_KEY_CODES
#undef __ENUMERATE_KEY_CODE
default:
return nullptr;
}
}
inline KeyCode code_point_to_key_code(u32 code_point)
{
switch (code_point) {
#define MATCH_ALPHA(letter) \
case #letter[0]: \
case #letter[0] + 32: \
return KeyCode::Key_##letter;
MATCH_ALPHA(A)
MATCH_ALPHA(B)
MATCH_ALPHA(C)
MATCH_ALPHA(D)
MATCH_ALPHA(E)
MATCH_ALPHA(F)
MATCH_ALPHA(G)
MATCH_ALPHA(H)
MATCH_ALPHA(I)
MATCH_ALPHA(J)
MATCH_ALPHA(K)
MATCH_ALPHA(L)
MATCH_ALPHA(M)
MATCH_ALPHA(N)
MATCH_ALPHA(O)
MATCH_ALPHA(P)
MATCH_ALPHA(Q)
MATCH_ALPHA(R)
MATCH_ALPHA(S)
MATCH_ALPHA(T)
MATCH_ALPHA(U)
MATCH_ALPHA(V)
MATCH_ALPHA(W)
MATCH_ALPHA(X)
MATCH_ALPHA(Y)
MATCH_ALPHA(Z)
#undef MATCH_ALPHA
#define MATCH_KEY(name, character) \
case character: \
return KeyCode::Key_##name;
MATCH_KEY(ExclamationPoint, '!')
MATCH_KEY(DoubleQuote, '"')
MATCH_KEY(Hashtag, '#')
MATCH_KEY(Dollar, '$')
MATCH_KEY(Percent, '%')
MATCH_KEY(Ampersand, '&')
MATCH_KEY(Apostrophe, '\'')
MATCH_KEY(LeftParen, '(')
MATCH_KEY(RightParen, ')')
MATCH_KEY(Asterisk, '*')
MATCH_KEY(Plus, '+')
MATCH_KEY(Comma, ',')
MATCH_KEY(Minus, '-')
MATCH_KEY(Period, '.')
MATCH_KEY(Slash, '/')
MATCH_KEY(0, '0')
MATCH_KEY(1, '1')
MATCH_KEY(2, '2')
MATCH_KEY(3, '3')
MATCH_KEY(4, '4')
MATCH_KEY(5, '5')
MATCH_KEY(6, '6')
MATCH_KEY(7, '7')
MATCH_KEY(8, '8')
MATCH_KEY(9, '9')
MATCH_KEY(Colon, ':')
MATCH_KEY(Semicolon, ';')
MATCH_KEY(LessThan, '<')
MATCH_KEY(Equal, '=')
MATCH_KEY(GreaterThan, '>')
MATCH_KEY(QuestionMark, '?')
MATCH_KEY(AtSign, '@')
MATCH_KEY(LeftBracket, '[')
MATCH_KEY(RightBracket, ']')
MATCH_KEY(Backslash, '\\')
MATCH_KEY(Circumflex, '^')
MATCH_KEY(Underscore, '_')
MATCH_KEY(LeftBrace, '{')
MATCH_KEY(RightBrace, '}')
MATCH_KEY(Pipe, '|')
MATCH_KEY(Tilde, '~')
MATCH_KEY(Backtick, '`')
MATCH_KEY(Space, ' ')
MATCH_KEY(Tab, '\t')
MATCH_KEY(Backspace, '\b')
#undef MATCH_KEY
default:
return KeyCode::Key_Invalid;
}
}
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