Files
osui/examples/hello_world.rs
T
2026-01-25 20:39:17 +01:00

78 lines
1.5 KiB
Rust

use std::sync::Arc;
use osui::{prelude::*, rsx};
#[derive(Debug, Clone)]
pub struct KeyPress;
impl Event for KeyPress {
fn as_any(&self) -> &dyn std::any::Any {
self
}
}
fn main() {
let console = Console::new();
console.thread(move |ctx| loop {
crossterm::event::read().unwrap();
ctx.emit_event_threaded(&KeyPress);
});
console.run(app);
}
fn app(cx: &Arc<Context>) -> View {
let count = use_state(0);
let mount = use_mount();
cx.on_event({
let count = count.clone();
move |_, _: &KeyPress| {
let mut count = count.get();
if *count > 5 {
*count = 0;
return;
}
*count += 1;
}
});
rsx! {
if %count, mount as _, (*count.get() > 0) {
my_component (ctx, view) {
let area = ctx.allocate(10, 0, 10, 10);
ctx.draw_view(area, view);
}
}
// for %count, mount as _, (i in 0..count.get_dl()) {
// "{i}"
// }
}
.view(cx.clone())
}
fn my_component(cx: &Arc<Context>) -> View {
let count = use_state(1);
cx.on_event({
let count = count.clone();
move |_cx, _event: &KeyPress| {
let mut count = count.get();
if *count > 5 {
_cx.refresh();
return;
}
*count += 1;
}
});
rsx! {
"Count: {count}"
}
.view(cx.clone())
}