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us104.rs
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us104.rs
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//! United States keyboard support
use crate::{DecodedKey, HandleControl, KeyCode, KeyboardLayout, Modifiers};
/// A standard United States 101-key (or 104-key including Windows keys) keyboard.
///
/// Has a 1-row high Enter key, with Oem5 above (ANSI layout).
pub struct Us104Key;
impl KeyboardLayout for Us104Key {
fn map_keycode(
&self,
keycode: KeyCode,
modifiers: &Modifiers,
handle_ctrl: HandleControl,
) -> DecodedKey {
let map_to_unicode = handle_ctrl == HandleControl::MapLettersToUnicode;
match keycode {
KeyCode::Oem8 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('~')
} else {
DecodedKey::Unicode('`')
}
}
KeyCode::Escape => DecodedKey::Unicode(0x1B.into()),
KeyCode::Key1 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('!')
} else {
DecodedKey::Unicode('1')
}
}
KeyCode::Key2 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('@')
} else {
DecodedKey::Unicode('2')
}
}
KeyCode::Key3 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('#')
} else {
DecodedKey::Unicode('3')
}
}
KeyCode::Key4 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('$')
} else {
DecodedKey::Unicode('4')
}
}
KeyCode::Key5 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('%')
} else {
DecodedKey::Unicode('5')
}
}
KeyCode::Key6 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('^')
} else {
DecodedKey::Unicode('6')
}
}
KeyCode::Key7 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('&')
} else {
DecodedKey::Unicode('7')
}
}
KeyCode::Key8 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('*')
} else {
DecodedKey::Unicode('8')
}
}
KeyCode::Key9 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('(')
} else {
DecodedKey::Unicode('9')
}
}
KeyCode::Key0 => {
if modifiers.is_shifted() {
DecodedKey::Unicode(')')
} else {
DecodedKey::Unicode('0')
}
}
KeyCode::OemMinus => {
if modifiers.is_shifted() {
DecodedKey::Unicode('_')
} else {
DecodedKey::Unicode('-')
}
}
KeyCode::OemPlus => {
if modifiers.is_shifted() {
DecodedKey::Unicode('+')
} else {
DecodedKey::Unicode('=')
}
}
KeyCode::Backspace => DecodedKey::Unicode(0x08.into()),
KeyCode::Tab => DecodedKey::Unicode(0x09.into()),
KeyCode::Q => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0011}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('Q')
} else {
DecodedKey::Unicode('q')
}
}
KeyCode::W => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0017}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('W')
} else {
DecodedKey::Unicode('w')
}
}
KeyCode::E => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0005}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('E')
} else {
DecodedKey::Unicode('e')
}
}
KeyCode::R => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0012}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('R')
} else {
DecodedKey::Unicode('r')
}
}
KeyCode::T => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0014}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('T')
} else {
DecodedKey::Unicode('t')
}
}
KeyCode::Y => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0019}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('Y')
} else {
DecodedKey::Unicode('y')
}
}
KeyCode::U => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0015}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('U')
} else {
DecodedKey::Unicode('u')
}
}
KeyCode::I => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0009}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('I')
} else {
DecodedKey::Unicode('i')
}
}
KeyCode::O => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{000F}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('O')
} else {
DecodedKey::Unicode('o')
}
}
KeyCode::P => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0010}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('P')
} else {
DecodedKey::Unicode('p')
}
}
KeyCode::Oem4 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('{')
} else {
DecodedKey::Unicode('[')
}
}
KeyCode::Oem6 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('}')
} else {
DecodedKey::Unicode(']')
}
}
KeyCode::Oem7 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('|')
} else {
DecodedKey::Unicode('\\')
}
}
KeyCode::A => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0001}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('A')
} else {
DecodedKey::Unicode('a')
}
}
KeyCode::S => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0013}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('S')
} else {
DecodedKey::Unicode('s')
}
}
KeyCode::D => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0004}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('D')
} else {
DecodedKey::Unicode('d')
}
}
KeyCode::F => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0006}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('F')
} else {
DecodedKey::Unicode('f')
}
}
KeyCode::G => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0007}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('G')
} else {
DecodedKey::Unicode('g')
}
}
KeyCode::H => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0008}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('H')
} else {
DecodedKey::Unicode('h')
}
}
KeyCode::J => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{000A}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('J')
} else {
DecodedKey::Unicode('j')
}
}
KeyCode::K => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{000B}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('K')
} else {
DecodedKey::Unicode('k')
}
}
KeyCode::L => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{000C}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('L')
} else {
DecodedKey::Unicode('l')
}
}
KeyCode::Oem1 => {
if modifiers.is_shifted() {
DecodedKey::Unicode(':')
} else {
DecodedKey::Unicode(';')
}
}
KeyCode::Oem3 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('"')
} else {
DecodedKey::Unicode('\'')
}
}
// Enter gives LF, not CRLF or CR
KeyCode::Return => DecodedKey::Unicode(10.into()),
KeyCode::Z => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{001A}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('Z')
} else {
DecodedKey::Unicode('z')
}
}
KeyCode::X => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0018}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('X')
} else {
DecodedKey::Unicode('x')
}
}
KeyCode::C => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0003}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('C')
} else {
DecodedKey::Unicode('c')
}
}
KeyCode::V => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0016}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('V')
} else {
DecodedKey::Unicode('v')
}
}
KeyCode::B => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{0002}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('B')
} else {
DecodedKey::Unicode('b')
}
}
KeyCode::N => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{000E}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('N')
} else {
DecodedKey::Unicode('n')
}
}
KeyCode::M => {
if map_to_unicode && modifiers.is_ctrl() {
DecodedKey::Unicode('\u{000D}')
} else if modifiers.is_caps() {
DecodedKey::Unicode('M')
} else {
DecodedKey::Unicode('m')
}
}
KeyCode::OemComma => {
if modifiers.is_shifted() {
DecodedKey::Unicode('<')
} else {
DecodedKey::Unicode(',')
}
}
KeyCode::OemPeriod => {
if modifiers.is_shifted() {
DecodedKey::Unicode('>')
} else {
DecodedKey::Unicode('.')
}
}
KeyCode::Oem2 => {
if modifiers.is_shifted() {
DecodedKey::Unicode('?')
} else {
DecodedKey::Unicode('/')
}
}
KeyCode::Spacebar => DecodedKey::Unicode(' '),
KeyCode::Delete => DecodedKey::Unicode(127.into()),
KeyCode::NumpadDivide => DecodedKey::Unicode('/'),
KeyCode::NumpadMultiply => DecodedKey::Unicode('*'),
KeyCode::NumpadSubtract => DecodedKey::Unicode('-'),
KeyCode::Numpad7 => {
if modifiers.numlock {
DecodedKey::Unicode('7')
} else {
DecodedKey::RawKey(KeyCode::Home)
}
}
KeyCode::Numpad8 => {
if modifiers.numlock {
DecodedKey::Unicode('8')
} else {
DecodedKey::RawKey(KeyCode::ArrowUp)
}
}
KeyCode::Numpad9 => {
if modifiers.numlock {
DecodedKey::Unicode('9')
} else {
DecodedKey::RawKey(KeyCode::PageUp)
}
}
KeyCode::NumpadAdd => DecodedKey::Unicode('+'),
KeyCode::Numpad4 => {
if modifiers.numlock {
DecodedKey::Unicode('4')
} else {
DecodedKey::RawKey(KeyCode::ArrowLeft)
}
}
KeyCode::Numpad5 => DecodedKey::Unicode('5'),
KeyCode::Numpad6 => {
if modifiers.numlock {
DecodedKey::Unicode('6')
} else {
DecodedKey::RawKey(KeyCode::ArrowRight)
}
}
KeyCode::Numpad1 => {
if modifiers.numlock {
DecodedKey::Unicode('1')
} else {
DecodedKey::RawKey(KeyCode::End)
}
}
KeyCode::Numpad2 => {
if modifiers.numlock {
DecodedKey::Unicode('2')
} else {
DecodedKey::RawKey(KeyCode::ArrowDown)
}
}
KeyCode::Numpad3 => {
if modifiers.numlock {
DecodedKey::Unicode('3')
} else {
DecodedKey::RawKey(KeyCode::PageDown)
}
}
KeyCode::Numpad0 => {
if modifiers.numlock {
DecodedKey::Unicode('0')
} else {
DecodedKey::RawKey(KeyCode::Insert)
}
}
KeyCode::NumpadPeriod => {
if modifiers.numlock {
DecodedKey::Unicode('.')
} else {
DecodedKey::Unicode(127.into())
}
}
KeyCode::NumpadEnter => DecodedKey::Unicode(10.into()),
k => DecodedKey::RawKey(k),
}
}
}
#[cfg(test)]
mod test {
use super::*;
use crate::{EventDecoder, ScancodeSet, ScancodeSet1};
#[test]
fn layout() {
// Codes taken from https://kbdlayout.info/kbdus/overview+scancodes?arrangement=ANSI104
let mut s = ScancodeSet1::new();
let mut dec = EventDecoder::new(Us104Key, HandleControl::Ignore);
let data = [
(0x29, '`'),
(0x02, '1'),
(0x03, '2'),
(0x04, '3'),
(0x05, '4'),
(0x06, '5'),
(0x07, '6'),
(0x08, '7'),
(0x09, '8'),
(0x0a, '9'),
(0x0b, '0'),
(0x0c, '-'),
(0x0d, '='),
(0x0f, '\t'),
(0x10, 'q'),
(0x11, 'w'),
(0x12, 'e'),
(0x13, 'r'),
(0x14, 't'),
(0x15, 'y'),
(0x16, 'u'),
(0x17, 'i'),
(0x18, 'o'),
(0x19, 'p'),
(0x1a, '['),
(0x1b, ']'),
(0x2b, '\\'),
(0x1e, 'a'),
(0x1f, 's'),
(0x20, 'd'),
(0x21, 'f'),
(0x22, 'g'),
(0x23, 'h'),
(0x24, 'j'),
(0x25, 'k'),
(0x26, 'l'),
(0x27, ';'),
(0x28, '\''),
(0x1c, '\n'),
(0x2c, 'z'),
(0x2d, 'x'),
(0x2e, 'c'),
(0x2f, 'v'),
(0x30, 'b'),
(0x31, 'n'),
(0x32, 'm'),
(0x33, ','),
(0x34, '.'),
(0x35, '/'),
];
for (code, unicode) in data {
let ev = s.advance_state(code).unwrap().unwrap();
assert_eq!(Some(DecodedKey::Unicode(unicode)), dec.process_keyevent(ev));
}
}
}