src/vendor/termion/examples/keys.rs

   1 extern crate termion;
   2
   3 use termion::event::Key;
   4 use termion::input::TermRead;
   5 use termion::raw::IntoRawMode;
   6 use std::io::{Write, stdout, stdin};
   7
   8 fn main() {
   9     let stdin = stdin();
  10     let mut stdout = stdout().into_raw_mode().unwrap();
  11
  12     write!(stdout,
  13            "{}{}q to exit. Type stuff, use alt, and so on.{}",
  14            termion::clear::All,
  15            termion::cursor::Goto(1, 1),
  16            termion::cursor::Hide)
  17             .unwrap();
  18     stdout.flush().unwrap();
  19
  20     for c in stdin.keys() {
  21         write!(stdout,
  22                "{}{}",
  23                termion::cursor::Goto(1, 1),
  24                termion::clear::CurrentLine)
  25                 .unwrap();
  26
  27         match c.unwrap() {
  28             Key::Char('q') => break,
  29             Key::Char(c) => println!("{}", c),
  30             Key::Alt(c) => println!("^{}", c),
  31             Key::Ctrl(c) => println!("*{}", c),
  32             Key::Esc => println!("ESC"),
  33             Key::Left => println!("←"),
  34             Key::Right => println!("→"),
  35             Key::Up => println!("↑"),
  36             Key::Down => println!("↓"),
  37             Key::Backspace => println!("×"),
  38             _ => {}
  39         }
  40         stdout.flush().unwrap();
  41     }
  42
  43     write!(stdout, "{}", termion::cursor::Show).unwrap();
  44 }