gpui: Add example for uniform_list (#17421)

GPUI: Add example for `uniform_list`

- Added example for `uniform_list`
  - Run `cargo run --example uniform_list`  to fire up the example
-
https://github.com/user-attachments/assets/bb554fbc-c097-4ce5-8077-782dc4c5c398

Release Notes:

- N/A


https://github.com/user-attachments/assets/bb554fbc-c097-4ce5-8077-782dc4c5c398

---------

Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>

crates/gpui/Cargo.toml

@@ -192,3 +192,7 @@ path = "examples/text_wrapper.rs"
 [[example]]
 name = "opacity"
 path = "examples/opacity.rs"
+
+[[example]]
+name = "uniform_list"
+path = "examples/uniform_list.rs"

crates/gpui/examples/uniform_list.rs

@@ -0,0 +1,43 @@
+use gpui::*;
+
+struct UniformListExample {}
+
+impl Render for UniformListExample {
+    fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
+        div().size_full().bg(rgb(0xffffff)).child(
+            uniform_list(cx.view().clone(), "entries", 50, |_this, range, _cx| {
+                let mut items = Vec::new();
+                for ix in range {
+                    let item = ix + 1;
+
+                    items.push(
+                        div()
+                            .id(ix)
+                            .px_2()
+                            .cursor_pointer()
+                            .on_click(move |_event, _cx| {
+                                println!("clicked Item {item:?}");
+                            })
+                            .child(format!("Item {item}")),
+                    );
+                }
+                items
+            })
+            .h_full(),
+        )
+    }
+}
+
+fn main() {
+    App::new().run(|cx: &mut AppContext| {
+        let bounds = Bounds::centered(None, size(px(300.0), px(300.0)), cx);
+        cx.open_window(
+            WindowOptions {
+                window_bounds: Some(WindowBounds::Windowed(bounds)),
+                ..Default::default()
+            },
+            |cx| cx.new_view(|_cx| UniformListExample {}),
+        )
+        .unwrap();
+    });
+}