use iris::prelude::*;
use std::time::Duration;

fn main() {
    DesktopApp::<State>::run();
}

#[derive(DesktopUiState)]
struct State {
    ui_state: DesktopUiState,
}

impl DesktopAppState for State {
    fn new(
        mut ui_state: DesktopUiState,
        rsc: &mut DesktopRsc<Self>,
        _: Proxy<Self::Event>,
    ) -> Self {
        let rect = rect(PaintId::RED).add(rsc);
        rect.task_on(CursorSense::click(), async move |mut ctx| {
            tokio::time::sleep(Duration::from_secs(1)).await;
            ctx.update(move |_, rsc| {
                let rect = rect(rsc);
                if rect.is_paint(&PaintId::RED) {
                    rect.set_paint(PaintId::BLUE);
                } else {
                    rect.set_paint(PaintId::RED);
                }
            });
        })
        .set_root(rsc, &mut ui_state);
        Self { ui_state }
    }
}