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ladybird/Kernel/KeyCode.h
Andreas Kling 0ac9986c2f Kernel: Add a stringification helper for KeyCode
2020-05-12 17:02:20 +02:00

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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(Logo, "Logo")
enum KeyCode : u8 {
#define __ENUMERATE_KEY_CODE(name, ui_name) Key_##name,
ENUMERATE_KEY_CODES
#undef __ENUMERATE_KEY_CODE
Key_Shift
= Key_LeftShift,
};
const int key_code_count = Key_Logo;
enum KeyModifier {
Mod_None = 0x00,
Mod_Alt = 0x01,
Mod_Ctrl = 0x02,
Mod_Shift = 0x04,
Mod_Logo = 0x08,
Mod_AltGr = 0x10,
Mod_Mask = 0x1f,
Is_Press = 0x80,
};
struct KeyEvent {
KeyCode key { Key_Invalid };
u8 character { 0 };
u8 flags { 0 };
bool alt() const { return flags & Mod_Alt; }
bool ctrl() const { return flags & Mod_Ctrl; }
bool shift() const { return flags & Mod_Shift; }
bool logo() const { return flags & Mod_Logo; }
bool altgr() const { return flags & Mod_AltGr; }
unsigned modifiers() const { return flags & Mod_Mask; }
bool is_press() const { return flags & Is_Press; }
};
inline const char* 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;
}
}
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