2048_rust

use crate::stdin;

use std::os::unix::io::AsRawFd;

use termios::*;

#[derive(Debug, Clone)]

pub struct TermMode {

    original: Termios,

    fd: i32,

}

impl TermMode {

    pub fn new() -> std::io::Result<Self> {

        let fd = stdin().as_raw_fd();

        let original = Termios::from_fd(fd)?;

        let mut new = original.clone();

        new.c_lflag &= !(ECHO | ICANON);

        new.c_cc[VMIN] = 1;

        new.c_cc[VTIME] = 0;

        tcsetattr(fd, TCSANOW, &new)?;

        Ok(Self { original, fd })

    }

}

impl Drop for TermMode {

    fn drop(&mut self) {

        let _ = tcsetattr(self.fd, TCSANOW, &self.original);

    }

}