| mod demo; |
| #[allow(dead_code)] |
| mod util; |
| |
| use crate::demo::{ui, App}; |
| use argh::FromArgs; |
| use rustbox::keyboard::Key; |
| use std::{ |
| error::Error, |
| time::{Duration, Instant}, |
| }; |
| use tui::{backend::RustboxBackend, Terminal}; |
| |
| /// Rustbox demo |
| #[derive(Debug, FromArgs)] |
| struct Cli { |
| /// time in ms between two ticks. |
| #[argh(option, default = "250")] |
| tick_rate: u64, |
| /// whether unicode symbols are used to improve the overall look of the app |
| #[argh(option, default = "true")] |
| enhanced_graphics: bool, |
| } |
| |
| fn main() -> Result<(), Box<dyn Error>> { |
| let cli: Cli = argh::from_env(); |
| |
| let backend = RustboxBackend::new()?; |
| let mut terminal = Terminal::new(backend)?; |
| |
| let mut app = App::new("Rustbox demo", cli.enhanced_graphics); |
| |
| let mut last_tick = Instant::now(); |
| let tick_rate = Duration::from_millis(cli.tick_rate); |
| loop { |
| terminal.draw(|f| ui::draw(f, &mut app))?; |
| if let Ok(rustbox::Event::KeyEvent(key)) = |
| terminal.backend().rustbox().peek_event(tick_rate, false) |
| { |
| match key { |
| Key::Char(c) => { |
| app.on_key(c); |
| } |
| Key::Up => { |
| app.on_up(); |
| } |
| Key::Down => { |
| app.on_down(); |
| } |
| Key::Left => { |
| app.on_left(); |
| } |
| Key::Right => { |
| app.on_right(); |
| } |
| _ => {} |
| } |
| } |
| if last_tick.elapsed() > tick_rate { |
| app.on_tick(); |
| last_tick = Instant::now(); |
| } |
| if app.should_quit { |
| break; |
| } |
| } |
| Ok(()) |
| } |