claude-box 0.1.2

A multi-platform Claude Code sandbox manager
Documentation 
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use crossterm::event::{KeyCode, KeyEvent, KeyModifiers};

/// Convert crossterm key events to bytes for PTY input
pub fn key_event_to_bytes(event: &KeyEvent) -> Option<Vec<u8>> {
    let bytes = match event.code {
        KeyCode::Char(c) => {
            if event.modifiers.contains(KeyModifiers::CONTROL) {
                // Convert Ctrl+letter to control character
                let ctrl_char = (c.to_ascii_lowercase() as u8).wrapping_sub(b'a' - 1);
                vec![ctrl_char]
            } else if event.modifiers.contains(KeyModifiers::ALT) {
                // Alt key sends ESC followed by the character
                vec![0x1b, c as u8]
            } else {
                c.to_string().into_bytes()
            }
        }
        KeyCode::Enter => vec![b'\r'],
        KeyCode::Backspace => vec![0x7f],
        KeyCode::Tab => vec![b'\t'],
        KeyCode::Esc => vec![0x1b],
        KeyCode::Up => vec![0x1b, b'[', b'A'],
        KeyCode::Down => vec![0x1b, b'[', b'B'],
        KeyCode::Right => vec![0x1b, b'[', b'C'],
        KeyCode::Left => vec![0x1b, b'[', b'D'],
        KeyCode::Home => vec![0x1b, b'[', b'H'],
        KeyCode::End => vec![0x1b, b'[', b'F'],
        KeyCode::PageUp => vec![0x1b, b'[', b'5', b'~'],
        KeyCode::PageDown => vec![0x1b, b'[', b'6', b'~'],
        KeyCode::Delete => vec![0x1b, b'[', b'3', b'~'],
        KeyCode::Insert => vec![0x1b, b'[', b'2', b'~'],
        KeyCode::F(n) => {
            match n {
                1 => vec![0x1b, b'O', b'P'],
                2 => vec![0x1b, b'O', b'Q'],
                3 => vec![0x1b, b'O', b'R'],
                4 => vec![0x1b, b'O', b'S'],
                5 => vec![0x1b, b'[', b'1', b'5', b'~'],
                6 => vec![0x1b, b'[', b'1', b'7', b'~'],
                7 => vec![0x1b, b'[', b'1', b'8', b'~'],
                8 => vec![0x1b, b'[', b'1', b'9', b'~'],
                9 => vec![0x1b, b'[', b'2', b'0', b'~'],
                10 => vec![0x1b, b'[', b'2', b'1', b'~'],
                11 => vec![0x1b, b'[', b'2', b'3', b'~'],
                12 => vec![0x1b, b'[', b'2', b'4', b'~'],
                _ => return None,
            }
        }
        _ => return None,
    };

    Some(bytes)
}