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use vec::Vec2; use view::View; use view::ViewWrapper; /// Wrapper around a view that remembers its size. pub struct SizedView<T: View> { /// Wrapped view. pub view: T, /// Cached size from the last layout() call. pub size: Vec2, } impl<T: View> SizedView<T> { /// Wraps the given view. pub fn new(view: T) -> Self { SizedView { view: view, size: Vec2::zero(), } } } impl<T: View> ViewWrapper for SizedView<T> { wrap_impl!(self.view: T); fn wrap_layout(&mut self, size: Vec2) { self.size = size; self.view.layout(size); } }