gpui_component/
element_ext.rs

1use gpui::{AnyElement, IntoElement};
2
3pub use gpui_base::ElementExt;
4
5use crate::{Sizable, Size};
6
7#[derive(Default)]
8struct ChildElementOptions {
9    ix: usize,
10    size: Size,
11}
12
13#[allow(patterns_in_fns_without_body)]
14pub trait ChildElement: Sizable + IntoElement {
15    fn with_ix(mut self, ix: usize) -> Self;
16}
17
18/// A type-erased element that can accept a [`AnyChildElementOptions`] before being rendered.
19pub struct AnyChildElement(Box<dyn FnOnce(ChildElementOptions) -> AnyElement>);
20
21impl AnyChildElement {
22    pub fn new(element: impl ChildElement + 'static) -> Self {
23        Self(Box::new(|options| {
24            element
25                .with_ix(options.ix)
26                .with_size(options.size)
27                .into_any_element()
28        }))
29    }
30
31    pub fn into_any(self, ix: usize, size: Size) -> AnyElement {
32        (self.0)(ChildElementOptions { ix, size })
33    }
34}
gpui_component/element_ext.rs

gpui_component/
element_ext.rs
