trait App now has fn name() for specifying egui_glium window title

egui/src/app.rs

@@ -12,6 +12,10 @@ use crate::Context;
 /// Implement this trait to write apps that can be compiled both natively using the [`egui_glium`](https://crates.io/crates/egui_glium) crate,
 /// and deployed as a web site using the [`egui_web`](https://crates.io/crates/egui_web) crate.
 pub trait App {
+    /// The name of your App.
+    fn name(&self) -> &str;
+    }
+
     /// Called once before the first frame.
     /// Allows you to do setup code and to call `ctx.set_fonts()`.
     /// Optional.

egui/src/demos/app.rs

@@ -278,6 +278,10 @@ impl DemoApp {
 }
 
 impl app::App for DemoApp {
+    fn name(&self) -> &str {
+        "Egui Demo"
+    }
+
     fn ui(
         &mut self,
         ctx: &Arc<Context>,