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//! Multi-line progress.
use std::thread::sleep;
use std::time::{Duration, Instant};
use yansi::Paint;
struct Model {
i: usize,
start: Instant,
}
impl nutmeg::Model for Model {
fn render(&mut self, _width: usize) -> String {
let long_text = self.i.to_string().repeat(40 - self.i);
format!(
" count: {}\n bar: {}\nelapsed: {:.1}s\n blink: {}\n long: {}",
self.i,
"*".repeat(self.i),
self.start.elapsed().as_secs_f32(),
if self.i % 2 == 0 {
Paint::red("XXX")
} else {
Paint::yellow("XXX")
},
long_text,
)
}
}
fn main() {
let options = nutmeg::Options::default().update_interval(Duration::from_millis(50));
let model = Model {
i: 0,
start: Instant::now(),
};
let view = nutmeg::View::new(model, options);
for _i in 1..=40 {
view.update(|state| state.i += 1);
sleep(Duration::from_millis(200));
}
}
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