Colocate component stories with their components

crates/ui2/src/components/traffic_lights.rs

@@ -82,3 +82,35 @@ impl<S: 'static + Send + Sync> TrafficLights<S> {
             ))
     }
 }
+
+#[cfg(feature = "stories")]
+pub use stories::*;
+
+#[cfg(feature = "stories")]
+mod stories {
+    use crate::Story;
+
+    use super::*;
+
+    #[derive(Element)]
+    pub struct TrafficLightsStory<S: 'static + Send + Sync> {
+        state_type: PhantomData<S>,
+    }
+
+    impl<S: 'static + Send + Sync> TrafficLightsStory<S> {
+        pub fn new() -> Self {
+            Self {
+                state_type: PhantomData,
+            }
+        }
+
+        fn render(&mut self, cx: &mut ViewContext<S>) -> impl Element<State = S> {
+            Story::container(cx)
+                .child(Story::title_for::<_, TrafficLights<S>>(cx))
+                .child(Story::label(cx, "Default"))
+                .child(TrafficLights::new())
+                .child(Story::label(cx, "Unfocused"))
+                .child(TrafficLights::new().window_has_focus(false))
+        }
+    }
+}