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Load more notifications when scrolling down

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This commit is contained in:
Max Brunsfeld 2023-10-22 17:10:21 +02:00
parent 23400a5a70
commit 59adcc1744
6 changed files with 97 additions and 30 deletions
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11
crates/gpui/src/elements/list.rs
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@ -30,7 +30,7 @@ struct StateInner<V> {
orientation: Orientation,
overdraw: f32,
#[allow(clippy::type_complexity)]
scroll_handler: Option<Box<dyn FnMut(Range<usize>, &mut V, &mut ViewContext<V>)>>,
scroll_handler: Option<Box<dyn FnMut(Range<usize>, usize, &mut V, &mut ViewContext<V>)>>,
}
#[derive(Clone, Copy, Debug, Default, PartialEq)]
@ -420,7 +420,7 @@ impl<V: 'static> ListState<V> {
pub fn set_scroll_handler(
&mut self,
handler: impl FnMut(Range<usize>, &mut V, &mut ViewContext<V>) + 'static,
handler: impl FnMut(Range<usize>, usize, &mut V, &mut ViewContext<V>) + 'static,
) {
self.0.borrow_mut().scroll_handler = Some(Box::new(handler))
}
@ -533,7 +533,12 @@ impl<V: 'static> StateInner<V> {
if self.scroll_handler.is_some() {
let visible_range = self.visible_range(height, scroll_top);
self.scroll_handler.as_mut().unwrap()(visible_range, view, cx);
self.scroll_handler.as_mut().unwrap()(
visible_range,
self.items.summary().count,
view,
cx,
);
}
cx.notify();