banan-os/LibInput/include/LibInput/KeyEvent.h

106 lines
3.3 KiB
C++

#pragma once
#include <stdint.h>
namespace LibInput
{
/*
Key Code:
bits 4:0 column (from left)
bits 7:5 row (from top)
*/
#define BANAN_CONSTEVAL_STATIC_ASSERT(cond) do { int dummy = 1 / (cond); } while (false)
consteval uint8_t keycode_function(uint8_t index)
{
BANAN_CONSTEVAL_STATIC_ASSERT(index <= 0b11111);
return index;
}
consteval uint8_t keycode_normal(uint8_t row, uint8_t col)
{
BANAN_CONSTEVAL_STATIC_ASSERT(row <= 0b111 - 1);
BANAN_CONSTEVAL_STATIC_ASSERT(col < 0b11111 - 8);
return ((row + 1) << 5) | col;
}
consteval uint8_t keycode_numpad(uint8_t row, uint8_t col)
{
BANAN_CONSTEVAL_STATIC_ASSERT(row <= 0b111 - 1);
BANAN_CONSTEVAL_STATIC_ASSERT(col <= 8);
return ((row + 1) << 5) | (col + 0b11111 - 8);
}
enum class Key
{
Invalid, None,
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
A_Ring, A_Umlaut, O_Umlaut,
_0, _1, _2, _3, _4, _5, _6, _7, _8, _9,
F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
Insert, PrintScreen, Delete, Home, End, PageUp, PageDown, Enter, Space,
ExclamationMark, DoubleQuote, Hashtag, Currency, Percent, Ampersand, Slash, Section, Half,
OpenParenthesis, CloseParenthesis, OpenSquareBracket, CloseSquareBracket, OpenCurlyBracket, CloseCurlyBracket,
Equals, QuestionMark, Plus, BackSlash, Acute, BackTick, TwoDots, Cedilla, Backspace, AtSign, Pound, Dollar, Euro,
Escape, Tab, CapsLock, LeftShift, LeftCtrl, Super, LeftAlt, RightAlt, AltGr = RightAlt, RightCtrl, RightShift,
SingleQuote, Asterix, Caret, Tilde, ArrowUp, ArrowDown, ArrowLeft, ArrowRight,
Comma, Semicolon, Period, Colon, Hyphen, Underscore, NumLock, ScrollLock, LessThan, GreaterThan, Pipe, Negation, BrokenBar,
Numpad0, Numpad1, Numpad2, Numpad3, Numpad4, Numpad5, Numpad6, Numpad7, Numpad8, Numpad9,
NumpadPlus, NumpadMinus, NumpadMultiply, NumpadDivide, NumpadEnter, NumpadDecimal,
VolumeMute, VolumeUp, VolumeDown, Calculator, MediaPlayPause, MediaStop, MediaPrevious, MediaNext,
Count,
};
// KeyEvent with general keycode
struct RawKeyEvent
{
uint16_t modifier;
uint8_t keycode;
};
// KeyEvent with key parsed from keycode
struct KeyEvent
{
enum Modifier : uint16_t
{
LShift = (1 << 0),
RShift = (1 << 1),
LCtrl = (1 << 2),
RCtrl = (1 << 3),
LAlt = (1 << 4),
RAlt = (1 << 5),
CapsLock = (1 << 6),
NumLock = (1 << 7),
ScrollLock = (1 << 8),
Pressed = (1 << 9),
};
bool lshift() const { return modifier & Modifier::LShift; }
bool rshift() const { return modifier & Modifier::RShift; }
bool shift() const { return lshift() || rshift(); }
bool lctrl() const { return modifier & Modifier::LCtrl; }
bool rctrl() const { return modifier & Modifier::RCtrl; }
bool ctrl() const { return lctrl() || rctrl(); }
bool lalt() const { return modifier & Modifier::LAlt; }
bool ralt() const { return modifier & Modifier::RAlt; }
bool alt() const { return lalt() || ralt(); }
bool caps_lock() const { return modifier & Modifier::CapsLock; }
bool num_lock() const { return modifier & Modifier::NumLock; }
bool scroll_lock() const { return modifier & Modifier::ScrollLock; }
bool pressed() const { return modifier & Modifier::Pressed; }
bool released() const { return !pressed(); }
uint16_t modifier;
Key key;
};
const char* key_to_utf8(Key key, uint16_t modifier);
}