119 lines
2.7 KiB
Rust
119 lines
2.7 KiB
Rust
use std::sync::Arc;
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use osui::{prelude::*, rsx};
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#[derive(Debug, Clone)]
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pub struct KeyPress;
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impl Event for KeyPress {
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fn as_any(&self) -> &dyn std::any::Any {
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self
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}
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}
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fn main() {
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let console = Console::new();
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console.thread(move |ctx| loop {
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crossterm::event::read().unwrap();
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ctx.emit_event_threaded(&KeyPress);
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});
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console.run(app);
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}
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fn app(cx: &Arc<Context>) -> View {
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let count = use_state(0);
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cx.on_event({
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let count = count.clone();
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move |_, _: &KeyPress| {
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let mut count = count.get();
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if *count > 5 {
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*count = 0;
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return;
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}
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*count += 1;
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}
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});
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{
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let scope = cx.scope();
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scope.child(
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my_component,
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Some(Arc::new(|ctx, view| {
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let area = ctx.allocate(5, 0, 0, 0);
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ctx.draw_view(area, view)
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})),
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);
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}
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{
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cx.dyn_scope(
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{
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let count = count.clone();
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move |scope| {
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if *count.get() != 0 {
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if scope.children.lock().unwrap().len() == 0 {
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scope.child(
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my_component,
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Some(Arc::new(|ctx, view| {
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let area = ctx.allocate(5, 2, 0, 0);
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ctx.draw_view(area, view)
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})),
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);
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}
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} else {
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scope.children.lock().unwrap().clear();
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}
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}
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},
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&[&count],
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);
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}
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{
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cx.dyn_scope(
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{
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let count = count.clone();
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move |scope| {
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scope.children.lock().unwrap().clear();
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for i in 0..count.get_dl() {
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scope.view(Arc::new(move |ctx| {
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ctx.draw_text(Point { x: 0, y: i }, &format!("{i}"));
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}));
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}
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}
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},
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&[&count],
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);
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}
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rsx! {}.view(cx.clone())
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}
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fn my_component(cx: &Arc<Context>) -> View {
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let count = use_state(1);
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cx.on_event({
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let count = count.clone();
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move |_cx, _event: &KeyPress| {
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let mut count = count.get();
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if *count > 5 {
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_cx.refresh();
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return;
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}
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*count += 1;
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}
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});
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Arc::new(move |ctx| {
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ctx.draw_text(Point { x: 0, y: 0 }, &format!("Count: {count}"));
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})
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}
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