Struct VirtualizedList 

pub struct VirtualizedList { /* private fields */ }

A native virtualized vertical list for large or expensive item trees.

The component owns GPUI’s ListState and renders only the visible item range plus a configurable overdraw area. Pair it with crate::VirtualScrollbar when a custom Liora scrollbar is needed.

Implementations

impl VirtualizedList

pub fn new( item_count: usize, _cx: &mut Context<'_, Self>, render_item: impl Fn(usize, &mut Window, &mut App) -> AnyElement + 'static, ) -> Self

pub fn entity( item_count: usize, cx: &mut App, render_item: impl Fn(usize, &mut Window, &mut App) -> AnyElement + 'static, ) -> Entity<Self>

pub fn list_state(&self) -> ListState

pub fn set_item_count(&mut self, item_count: usize)

pub fn set_render_item( &mut self, render_item: impl Fn(usize, &mut Window, &mut App) -> AnyElement + 'static, )

pub fn set_item_spacing(&mut self, spacing: impl Into<Pixels>)

pub fn set_overdraw(&mut self, overdraw: impl Into<Pixels>)

pub fn set_height(&mut self, height: Option<Pixels>)

pub fn set_draggable(&mut self, draggable: bool)

pub fn set_on_reorder( &mut self, callback: impl Fn(usize, usize, &mut Window, &mut App) + 'static, )

pub fn order(&self) -> &[usize]

pub fn measure_all_items_for_scrollbar(&mut self)

Measure every item once so GPUI’s scrollbar math has a stable total height.

GPUI’s virtual list reports scrollbar extents from measured rows only; for long variable-height documents this can otherwise make the thumb jump or reach the ends before the content does. Use this when scrollbar accuracy is more important than the first-frame cost of measuring every row.

pub fn remeasure(&self)

Mark every item for remeasurement while preserving proportional scroll.

Updating the render closure alone does not remeasure automatically, so callers that know item heights changed can opt into the heavier work.

pub fn remeasure_items(&self, range: Range<usize>)

Mark one item range for remeasurement while preserving proportional scroll.

Trait Implementations

impl Render for VirtualizedList

fn render( &mut self, _window: &mut Window, cx: &mut Context<'_, Self>, ) -> impl IntoElement

Render this view into an element tree.