console.rs

// Copyright © 2016, Peter Atashian
// Licensed under the MIT License <LICENSE.md>
extern crate rand;
extern crate wio;
use std::mem::swap;
use wio::console::{CharInfo, Input, InputBuffer, ScreenBuffer};
fn main() {
    let stdin = InputBuffer::from_conin().unwrap();
    let mut backbuf = ScreenBuffer::new().unwrap();
    let mut frontbuf = ScreenBuffer::new().unwrap();
    loop {
        if stdin.available_input().unwrap() > 0 {
            let input = stdin.read_input().unwrap();
            for i in input {
                if let Input::Key { key_code, .. } = i {
                    if key_code == 0x1B {
                        return;
                    }
                }
            }
        }
        let info = backbuf.info().unwrap();
        let size = info.size();
        let buf: Vec<_> = (0..(size.0 * size.1))
            .map(|_| {
                let ch = (rand::random::<u8>() % 26) + 0x41;
                let color = rand::random::<u16>() & 0xff;
                CharInfo::new(ch as u16, color)
            })
            .collect();
        backbuf.write_output(&buf, size, (0, 0)).unwrap();
        swap(&mut backbuf, &mut frontbuf);
        frontbuf.set_active().unwrap();
    }
}