Method mousewheel

src/elements/transform.rs:364–370

(&self, e: &mut MouseEvent)

    }

    fn mousewheel(&self, e: &mut MouseEvent) {
        let mut component = self.component.borrow_mut();

        if component.onmousewheel.is_some() {
            let _ = component.onmousewheel.get().try_send(e.clone());
        }
    }

    fn keyup(&self, e: &mut KeyEvent) {
        let mut component = self.component.borrow_mut();