Class PickingState

src/picking.rs:20–33

/// Tracks CPU/GPU picking state for a plot widget.
#[derive(Debug, Clone, Default)]
pub(crate) struct PickingState {
    /// Last hover hit, if any.
    pub(crate) last_hover_cache: Option<PointId>,

    /// When set, the matching GPU result is interpreted as a *pick* (click)
    /// instead of a hover.
    pending_gpu_pick_seq: Option<u64>,

    /// Last submitted GPU request sequence number
    pick_seq: u64,

    /// Last processed GPU result sequence number
    pick_result_seq: u64,
}

#[derive(Debug, Clone, Copy)]
pub(crate) enum HoverRequest {