Termios solution works

1 files changed, 23 insertions, 0 deletions

diff --git a/src/main.rs b/src/main.rs
index 8c025af..d3d5f1d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,11 +1,32 @@
 extern crate clap;
 extern crate colored;
+extern crate termios;
 
 use colored::*;
 use clap::{Arg, App};
 use std::path::Path;
 use std::process;
 
+use std::io;
+use std::io::{Read, Write};
+use termios::{Termios, TCSANOW, ECHO, ICANON, tcsetattr};
+
+fn read_char() {
+    let stdin = 0;
+    let termios = Termios::from_fd(stdin).unwrap();
+    let mut new_termios = termios.clone();  // make a mutable copy of termios that we will modify
+    new_termios.c_lflag &= !(ICANON | ECHO);  // no echo and canonical mode
+    tcsetattr(stdin, TCSANOW, &mut new_termios).unwrap();
+    let stdout = io::stdout();
+    let mut reader = io::stdin();
+    let mut buffer = [0;1];  // read exactly one byte
+    print!("Hit a key! ");
+    stdout.lock().flush().unwrap();
+    reader.read_exact(&mut buffer).unwrap();
+    println!("You have hit: {:?}", buffer);
+    tcsetattr(stdin, TCSANOW, & termios).unwrap();  // reset the stdin to original termios data
+}
+
 fn main() {
     let app = App::new("Rustcast")
         .version("0.1")
@@ -27,4 +48,6 @@ fn main() {
         println!("\n{} {}\n", "Input file does not exist:".red(), infile.red());
         process::exit(1);
     }
+
+    read_char();
 }