#pragma once

#include "../../Widgets/Widget.h"
#include "../Engine/Geometry.h"

namespace UI {

// helper class for efficiently updating layout
class DirtyManager {
private:
    Widget* rootWidget = nullptr;

public:
    DirtyManager() = default;
    explicit DirtyManager(Widget* root) : rootWidget(root) {}

    void SetRootWidget(Widget* root);

    // do we need to messure and arrange?
    void UpdateLayout(Size viewportSize);

    // do we need to render anything?
    bool NeedsRender() const;
};

}