Function freya::elements::events::onpointerdown   
pub fn onpointerdown<E, T>(
    _f: impl FnMut(Event<PointerData>) -> E + 'static
) -> Attributewhere
    E: EventReturn<T>,Expand description
The pointerdown event fires when the user clicks/starts touching an element.
Event Data: PointerData
Example
fn app() -> Element {
    rsx!(
        rect {
            width: "100",
            height: "100",
            background: "red",
            onpointerdown: |_| println!("Clicked/started pressing!")
        }
    )
}