neveko/neveko-gui/src/main.rs

//! App for neveko-gui

#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
use std::time::Duration;
use tokio::runtime::Runtime;

// When compiling natively:
fn main() -> Result<(), eframe::Error> {
    {
        // Silence wgpu log spam (https://github.com/gfx-rs/wgpu/issues/3206)
        let mut rust_log = std::env::var("RUST_LOG").unwrap_or_else(|_| "info".to_owned());
        for loud_crate in ["naga", "wgpu_core", "wgpu_hal"] {
            if !rust_log.contains(&format!("{loud_crate}=")) {
                rust_log += &format!(",{loud_crate}=warn");
            }
        }
        std::env::set_var("RUST_LOG", rust_log);
    }
    // Log to stdout (if you run with `RUST_LOG=debug`).
    tracing_subscriber::fmt::init();
    let options = eframe::NativeOptions {
        initial_window_size: Some([1280.0, 1024.0].into()),
        #[cfg(feature = "wgpu")]
        renderer: eframe::Renderer::Wgpu,
        ..Default::default()
    };
    // Guide for async gui stuff below (@_@)
    // Reference: https://github.com/parasyte/egui-tokio-example
    let rt = Runtime::new().expect("Unable to create Runtime");
    // Enter the runtime so that `tokio::spawn` is available immediately.
    let _enter = rt.enter();
    // Execute the runtime in its own thread.
    // The future doesn't have to do anything. In this example, it just sleeps forever.
    std::thread::spawn(move || {
        rt.block_on(async {
            loop {
                tokio::time::sleep(Duration::from_secs(3600)).await;
            }
        })
    });
    eframe::run_native(
        "neveko-gui-v0.4.8-alpha",
        options,
        Box::new(|cc| Box::new(neveko_gui::WrapApp::new(cc))),
    )
}