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serenity/Kernel/API/KeyCode.h
Timothy Flynn 4b777397b5 Kernel: Define bitwise operations for KeyModifier 
This type is designed to be use as a flag. Define bitwise operations for
convenience.
2024-03-06 07:46:18 +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/EnumBits.h>
#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(PauseBreak, "PauseBreak") \
__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(RightControl, "RightCtrl") \
__ENUMERATE_KEY_CODE(Alt, "Alt") \
__ENUMERATE_KEY_CODE(RightAlt, "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(BrowserSearch, "BrowserSearch") \
__ENUMERATE_KEY_CODE(BrowserFavorites, "BrowserFavorites") \
__ENUMERATE_KEY_CODE(BrowserHome, "BrowserHome") \
__ENUMERATE_KEY_CODE(PreviousTrack, "PreviousTrack") \
__ENUMERATE_KEY_CODE(BrowserBack, "BrowserBack") \
__ENUMERATE_KEY_CODE(BrowserForward, "BrowserForward") \
__ENUMERATE_KEY_CODE(BrowserRefresh, "BrowserRefresh") \
__ENUMERATE_KEY_CODE(BrowserStop, "BrowserStop") \
__ENUMERATE_KEY_CODE(VolumeDown, "VolumeDown") \
__ENUMERATE_KEY_CODE(VolumeUp, "VolumeUp") \
__ENUMERATE_KEY_CODE(Wake, "Wake") \
__ENUMERATE_KEY_CODE(Sleep, "Sleep") \
__ENUMERATE_KEY_CODE(NextTrack, "NextTrack") \
__ENUMERATE_KEY_CODE(MediaSelect, "MediaSelect") \
__ENUMERATE_KEY_CODE(Email, "Email") \
__ENUMERATE_KEY_CODE(MyComputer, "MyComputer") \
__ENUMERATE_KEY_CODE(Power, "Power") \
__ENUMERATE_KEY_CODE(Stop, "Stop") \
__ENUMERATE_KEY_CODE(LeftGUI, "LeftGUI") \
__ENUMERATE_KEY_CODE(Mute, "Mute") \
__ENUMERATE_KEY_CODE(RightGUI, "RightGUI") \
__ENUMERATE_KEY_CODE(Calculator, "Calculator") \
__ENUMERATE_KEY_CODE(Apps, "Apps") \
__ENUMERATE_KEY_CODE(PlayPause, "PlayPause") \
__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,
};
size_t const key_code_count = Key_Menu + 1;
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,
};
AK_ENUM_BITWISE_OPERATORS(KeyModifier);
struct KeyEvent {
KeyCode key { Key_Invalid };
u8 map_entry_index { 0 };
u64 scancode { 0 };
u32 code_point { 0 };
u8 flags { 0 };
bool caps_lock_on { 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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