tuifw-screen 0.1.8

#![windows_subsystem = "console"]
#![deny(warnings)]

use std::io::{self};
use tuifw_screen_base::{Screen, Point, Color, Attr, Vector, Event, Key};

fn draw_box(screen: &mut dyn Screen<Error=io::Error>, p: Point) {
    screen.out(p.offset(Vector { x: -6, y: -4 }), Color::Green, None, Attr::empty(), "             ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: -3 }), Color::Green, None, Attr::empty(), " ╔═══════════╗ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: -2 }), Color::Green, None, Attr::empty(), " ║     ↑     ║ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: -1 }), Color::Green, None, Attr::empty(), " ║     k     ║ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: 0 }), Color::Green, None, Attr::empty(), " ║ ←h     l→ ║ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: 1 }), Color::Green, None, Attr::empty(), " ║     j     ║ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: 2 }), Color::Green, None, Attr::empty(), " ║     ↓     ║ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -7, y: 3 }), Color::Green, None, Attr::empty(), " ╚═══════════╝ ", 0 .. i16::MAX);
    screen.out(p.offset(Vector { x: -6, y: 4 }), Color::Green, None, Attr::empty(), "             ", 0 .. i16::MAX);
}

fn main() {
    let mut screen = unsafe { tuifw_screen::init() }.unwrap();
    let screen = screen.as_mut();
    let mut p = Point { x: screen.size().x / 2, y: screen.size().y / 2 };
    draw_box(screen, p);
    loop {
        if let Some(e) = screen.update(None, true).unwrap() {
            if let Some((n, d)) = match e {
                Event::Key(n, Key::Left) => Some((n, Vector { x: -1, y: 0 })),
                Event::Key(n, Key::Right) => Some((n, Vector { x: 1, y: 0 })),
                Event::Key(n, Key::Up) => Some((n, Vector { x: 0, y: -1 })),
                Event::Key(n, Key::Down) => Some((n, Vector { x: 0, y: 1 })),
                Event::Key(n, Key::Char('h')) => Some((n, Vector { x: -1, y: 0 })),
                Event::Key(n, Key::Char('l')) => Some((n, Vector { x: 1, y: 0 })),
                Event::Key(n, Key::Char('k')) => Some((n, Vector { x: 0, y: -1 })),
                Event::Key(n, Key::Char('j')) => Some((n, Vector { x: 0, y: 1 })),
                Event::Key(_, Key::Escape) => break,
                _ => None,
            } {
                for _ in 0 .. n.get() {
                    p = p.offset(d);
                    draw_box(screen, p);
                }
            }
        }
    }
}