Method add

src/elements/window.rs:346–355

(&self, child: &dyn Element)

    }

    fn add(&self, child: &dyn Element) {
        // self.base.add(child);

        //readd so it"s always above
        if let Some(ref resize_handle) = self.resize_handle {
            if self.ready && child.id() != resize_handle.id() {
                self.add(resize_handle);
            }
        }
    }

    fn mousemove(&self, e: &mut MouseEvent) {
        let ex = e.x as f32;