UIClipView.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "UIView.hpp"
 
namespace CeresEngine {
 
    class UIClipView : public UIView {
        using super = UIView;
 
    private:
        UIViewPtr mDocumentView;
 
        UIEdgeInsets mContentInsets;
 
    public:
        [[nodiscard]] UIView* getDocumentView() const { return mDocumentView.get(); }
 
        void setDocumentView(UIView* documentView);
 
    public:
        void scroll(const UIPoint& newOrigin);
 
        UIRect getDocumentRect() const;
 
        UIRect getDocumentVisibleRect() const;
 
    public:
        void layoutSubviews() override;
 
        void displayIgnoringOpacity(UIGraphicsContext &context, const UIRect &aRect) override;
 
    protected:
        [[nodiscard]] UIPoint constrainScrollPoint(UIPoint point);
 
    protected:
        void notifyScrollViewOfChange();
    };
 
} // namespace CeresEngine