rpack/crates/rpack_egui/src/main.rs

98 lines
3.4 KiB
Rust

#![warn(clippy::all, rust_2018_idioms)]
#![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
#[cfg(all(not(target_arch = "wasm32"), feature = "profiler"))]
fn start_puffin_server() {
puffin::set_scopes_on(true); // tell puffin to collect data
match puffin_http::Server::new("127.0.0.1:8585") {
Ok(puffin_server) => {
log::info!("Run: cargo install puffin_viewer && puffin_viewer --url 127.0.0.1:8585");
std::process::Command::new("puffin_viewer")
.arg("--url")
.arg("127.0.0.1:8585")
.spawn()
.ok();
// We can store the server if we want, but in this case we just want
// it to keep running. Dropping it closes the server, so let's not drop it!
#[expect(clippy::mem_forget)]
std::mem::forget(puffin_server);
}
Err(err) => {
log::error!("Failed to start puffin server: {err}");
}
}
}
// When compiling natively:
#[cfg(not(target_arch = "wasm32"))]
fn main() -> eframe::Result<()> {
env_logger::init(); // Log to stderr (if you run with `RUST_LOG=debug`).
#[cfg(all(not(target_arch = "wasm32"), feature = "profiler"))]
start_puffin_server();
let file_arg: Option<String> = if std::env::args().len() > 1 {
std::env::args().nth(1)
} else {
None
};
let native_options = eframe::NativeOptions {
viewport: egui::ViewportBuilder::default()
.with_inner_size([400.0, 300.0])
.with_icon(eframe::icon_data::from_png_bytes(rpack_egui::ICON_DATA).unwrap_or_default())
.with_min_inner_size([400.0, 300.0]),
..Default::default()
};
eframe::run_native(
"rPack",
native_options,
Box::new(|cc| Ok(Box::new(rpack_egui::Application::new(cc, file_arg)))),
)
}
// When compiling to web using trunk:
#[cfg(target_arch = "wasm32")]
fn main() {
// Redirect `log` message to `console.log` and friends:
eframe::WebLogger::init(log::LevelFilter::Debug).ok();
let web_options = eframe::WebOptions::default();
wasm_bindgen_futures::spawn_local(async {
use web_sys::wasm_bindgen::JsCast;
use web_sys::{window, HtmlCanvasElement};
let canvas = window()
.and_then(|w| w.document())
.and_then(|d| d.get_element_by_id("the_canvas_id"))
.expect("No Canvas found")
.dyn_into::<HtmlCanvasElement>()
.expect("Could not cast to Canvas");
let start_result = eframe::WebRunner::new()
.start(
canvas,
web_options,
Box::new(|cc| Ok(Box::new(rpack_egui::Application::new(cc, None)))),
)
.await;
// Remove the loading text and spinner:
let loading_text = window()
.and_then(|w| w.document())
.and_then(|d| d.get_element_by_id("loading_text"));
if let Some(loading_text) = loading_text {
match start_result {
Ok(_) => {
loading_text.remove();
}
Err(e) => {
loading_text.set_inner_html(
"<p> The app has crashed. See the developer console for details. </p>",
);
panic!("Failed to start eframe: {e:?}");
}
}
}
});
}