termion/examples/keys.rs

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Rust
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extern crate termion;
#[cfg(feature = "nightly")]
fn main() {
use termion::{TermRead, TermWrite, IntoRawMode, Key};
use std::io::{Write, stdout, stdin};
let stdin = stdin();
let mut stdout = stdout().into_raw_mode().unwrap();
stdout.clear().unwrap();
stdout.goto(0, 0).unwrap();
stdout.write(b"q to exit. Type stuff, use alt, and so on.").unwrap();
stdout.hide_cursor().unwrap();
stdout.flush().unwrap();
for c in stdin.keys() {
stdout.goto(5, 5).unwrap();
stdout.clear_line().unwrap();
match c {
Key::Char('q') => break,
Key::Char(c) => println!("{}", c),
Key::Alt(c) => println!("^{}", c),
Key::Ctrl(c) => println!("*{}", c),
Key::Left => println!(""),
Key::Right => println!(""),
Key::Up => println!(""),
Key::Down => println!(""),
Key::Backspace => println!("×"),
Key::Invalid => println!("???"),
Key::Error => println!("ERROR"),
_ => {},
}
stdout.flush().unwrap();
}
stdout.show_cursor().unwrap();
}
#[cfg(not(feature = "nightly"))]
fn main() {
println!("To run this example, you need to enable the `nightly` feature. Use Rust nightly and compile with `--features nightly`.")
}