use winit::{ event::{Event, WindowEvent}, event_loop::{ControlFlow, EventLoop}, window::WindowBuilder, }; pub fn main() { let event_loop = EventLoop::new(); let window = WindowBuilder::new() .with_title("A fantastic window!") .build(&event_loop) .unwrap(); #[cfg(feature = "web-sys")] { use winit::platform::web::WindowExtWebSys; let canvas = window.canvas(); let window = web_sys::window().unwrap(); let document = window.document().unwrap(); let body = document.body().unwrap(); body.append_child(&canvas) .expect("Append canvas to HTML body"); } #[cfg(feature = "stdweb")] { use std_web::web::INode; use winit::platform::web::WindowExtStdweb; let canvas = window.canvas(); let document = std_web::web::document(); let body: std_web::web::Node = document.body().expect("Get HTML body").into(); body.append_child(&canvas); } event_loop.run(move |event, _, control_flow| { #[cfg(feature = "web-sys")] log::debug!("{:?}", event); #[cfg(feature = "stdweb")] std_web::console!(log, "%s", format!("{:?}", event)); match event { Event::WindowEvent { event: WindowEvent::CloseRequested, window_id, } if window_id == window.id() => *control_flow = ControlFlow::Exit, Event::MainEventsCleared => { window.request_redraw(); } _ => *control_flow = ControlFlow::Wait, } }); } #[cfg(feature = "web-sys")] mod wasm { use wasm_bindgen::prelude::*; #[wasm_bindgen(start)] pub fn run() { console_log::init_with_level(log::Level::Debug); super::main(); } }