acid/firmware2/src/ui/mod.rs

// #![cfg_attr(not(feature = "simulator"), no_main)]

use alloc::boxed::Box;

#[cfg(feature = "limit-fps")]
use crate::FRAME_DURATION_MIN;
use crate::{
    SIGNAL_LCD_SUBMIT, SIGNAL_UI_RENDER, ui::backend::SlintBackend,
};

pub mod backend;
pub mod window_adapter;

slint::include_modules!();

#[embassy_executor::task]
pub async fn run_renderer_task(backend: SlintBackend) {
    slint::platform::set_platform(Box::new(backend)).expect("backend already initialized");

    let main = AppWindow::new().unwrap();

    // Instead of having a `loop` in the non-async `SlintBackend::run_event_loop`, we achieve
    // async by having only one iteration of the loop run, and `await`ing here.
    // The following block is analogous to `main.run()`.
    {
        main.show().unwrap();

        loop {
            slint::run_event_loop().unwrap();
            SIGNAL_LCD_SUBMIT.signal(());
            #[cfg(feature = "limit-fps")]
            embassy_time::Timer::after(FRAME_DURATION_MIN).await;
            SIGNAL_UI_RENDER.wait().await;
        }

        #[expect(unreachable_code)]
        main.hide().unwrap();
    }
}