Add web examples

examples/stdweb_window.rs

@@ -0,0 +1,37 @@
+#[cfg(all(target_arch = "wasm32", feature = "stdweb"))]
+fn main() {
+    use winit::{
+        event::{Event, WindowEvent},
+        event_loop::{ControlFlow, EventLoop},
+        platform::web::WindowExtStdweb,
+        window::WindowBuilder,
+    };
+    // Note: stdweb is aliased to std_web in winit's Cargo.toml
+    // In most cases, it should not be necessary to include this line
+    use std_web as stdweb;
+    use stdweb::{traits::*, web::document};
+
+    let event_loop = EventLoop::new();
+
+    let window = WindowBuilder::new()
+        .with_title("A fantastic window!")
+        .build(&event_loop)
+        .unwrap();
+
+    document().body().unwrap().append_child(&window.canvas());
+
+    event_loop.run(move |event, _, control_flow| {
+        stdweb::console!(log, format!("{:?}", event));
+
+        match event {
+            Event::WindowEvent {
+                event: WindowEvent::CloseRequested,
+                window_id,
+            } if window_id == window.id() => *control_flow = ControlFlow::Exit,
+            _ => *control_flow = ControlFlow::Wait,
+        }
+    });
+}
+
+#[cfg(not(all(target_arch = "wasm32", feature = "stdweb")))]
+fn main() {}

examples/web_sys_window.rs

@@ -0,0 +1,42 @@
+#[cfg(all(target_arch = "wasm32", feature = "web-sys"))]
+fn main() {
+    use winit::{
+        event::{Event, WindowEvent},
+        event_loop::{ControlFlow, EventLoop},
+        platform::web::WindowExtWebSys,
+        window::WindowBuilder,
+    };
+
+    let event_loop = EventLoop::new();
+
+    let window = WindowBuilder::new()
+        .with_title("A fantastic window!")
+        .build(&event_loop)
+        .unwrap();
+
+    let document = web_sys::window()
+        .expect("Failed to obtain window")
+        .document()
+        .expect("Failed to obtain document");
+
+    document
+        .body()
+        .expect("Failed to obtain body")
+        .append_child(&window.canvas())
+        .unwrap();
+
+    event_loop.run(move |event, _, control_flow| {
+        web_sys::console::log_1(&(&format!("{:?}", event)[..]).into());
+
+        match event {
+            Event::WindowEvent {
+                event: WindowEvent::CloseRequested,
+                window_id,
+            } if window_id == window.id() => *control_flow = ControlFlow::Exit,
+            _ => *control_flow = ControlFlow::Wait,
+        }
+    });
+}
+
+#[cfg(not(all(target_arch = "wasm32", feature = "web-sys")))]
+fn main() {}