Function indeterminate_circular_progress 

pub fn indeterminate_circular_progress(
    id: impl Into<ElementId>,
    label: impl Into<SharedString>,
    display_size: Size<Rems>,
    opacity: f32,
    window: &mut Window,
    cx: &mut App,
) -> AnyElement

Animate a bounded circular indicator while its box intersects the viewport and ancestor clip. Its original clock continues offscreen, so scrolling back does not restart playback. Reduced motion retains the sampler’s stop policy.