co-authored-by: conrad <conrad@zed.dev>
co-authored-by: Nathan <nathan@zed.dev>
This commit is contained in:
Mikayla
2023-11-20 14:46:01 -08:00
co-authored by conrad Nathan
parent 6985b70859
commit 2c4d83c9af
96 changed files with 1926 additions and 1955 deletions
+16 -10
View File
@@ -1,7 +1,7 @@
use crate::{
point, px, size, AnyElement, AvailableSpace, Bounds, Element, ElementId, InteractiveElement,
InteractiveElementState, Interactivity, LayoutId, Pixels, Point, RenderOnce, Size,
StyleRefinement, Styled, WindowContext,
InteractiveElementState, Interactivity, LayoutId, Pixels, Point, Render, RenderOnce, Size,
StyleRefinement, Styled, View, ViewContext, WindowContext,
};
use smallvec::SmallVec;
use std::{cell::RefCell, cmp, ops::Range, rc::Rc};
@@ -10,30 +10,36 @@ use taffy::style::Overflow;
/// uniform_list provides lazy rendering for a set of items that are of uniform height.
/// When rendered into a container with overflow-y: hidden and a fixed (or max) height,
/// uniform_list will only render the visibile subset of items.
pub fn uniform_list<I, R>(
pub fn uniform_list<I, R, V>(
view: View<V>,
id: I,
item_count: usize,
f: impl 'static + Fn(Range<usize>, &mut WindowContext) -> Vec<R>,
f: impl 'static + Fn(&mut V, Range<usize>, &mut ViewContext<V>) -> Vec<R>,
) -> UniformList
where
I: Into<ElementId>,
R: RenderOnce,
V: Render,
{
let id = id.into();
let mut style = StyleRefinement::default();
style.overflow.y = Some(Overflow::Hidden);
let render_range = move |range, cx: &mut WindowContext| {
view.update(cx, |this, cx| {
f(this, range, cx)
.into_iter()
.map(|component| component.render_into_any())
.collect()
})
};
UniformList {
id: id.clone(),
style,
item_count,
item_to_measure_index: 0,
render_items: Box::new(move |visible_range, cx| {
f(visible_range, cx)
.into_iter()
.map(|component| component.render_into_any())
.collect()
}),
render_items: Box::new(render_range),
interactivity: Interactivity {
element_id: Some(id.into()),
..Default::default()