zed/crates/gpui/examples/uniform_list.rs

use gpui::{
    div, prelude::*, px, rgb, size, uniform_list, App, AppContext, Bounds, ViewContext,
    WindowBounds, WindowOptions,
};

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();
    });
}