Function consume_gpu_pick_results

src/plot_widget.rs:1388–1418

(
    widget: &PlotWidget,
    state: &mut PlotState,
    effects: &mut UpdateEffects,
)

        }
        picking::HoverRequest::RequestedGpu => {
            // Keep drawing until the result arrives.
            effects.needs_redraw = true;
        }
    }
}

fn update_cursor_overlay_on_move(
    widget: &PlotWidget,
    state: &PlotState,
    effects: &mut UpdateEffects,
) {
    if !widget.cursor_overlay {
        return;
    }
    if state.cursor_inside() {
        let viewport = Vec2::new(state.bounds.width, state.bounds.height);
        let plot = state.camera.screen_to_world(
            DVec2::new(
                state.cursor_position.x as f64,
                state.cursor_position.y as f64,
            ),
            DVec2::new(viewport.x as f64, viewport.y as f64),
        );
        let Some(world) =
            plot_point_to_data([plot.x, plot.y], widget.x_axis_scale, widget.y_axis_scale)
        else {
            effects.clear_cursor_position = true;
            return;
        };
        let text = if let Some(p) = &widget.cursor_provider {
            (p)(world[0], world[1])
        } else {
            format!("{:.4}, {:.4}", world[0], world[1])
        };