UIButton.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 "UIControl.hpp"
 
#include "CeresEngine/Text/TextLayoutManager.hpp"
#include "CeresEngine/Texture/Texture.hpp"
 
namespace CeresEngine {
 
    enum class UIButtonType {
        Regular
    };
 
    class UIButton : public UIControl {
    private:
        UIButtonType mType = UIButtonType::Regular;
 
        String mTitle;
 
        String mAlternateTitle;
 
        SPtr<Texture> mTexture = nullptr;
 
        SPtr<Texture> mAlternateTexture = nullptr;
 
        UITexturePosition mTexturePosition = UITexturePosition::TextureLeft;
 
        UITextureScaling mTextureScaling = UITextureScaling::ProportionallyDown;
 
        TextLayoutManager mLayoutManager;
 
    public:
        Event<void()> didClick;
 
    public:
        UIButton();
 
        explicit UIButton(String title, const SPtr<Texture>& texture = nullptr);
        ~UIButton() override;
 
    public:
        UIButtonType getType() const { return mType; }
 
        void setType(UIButtonType type);
 
        const String& getTitle() const { return mTitle; }
 
        void setTitle(const String& title);
 
        const String& getAlternateTitle() const { return mAlternateTitle; }
 
        void setAlternateTitle(const String& alternateTitle);
 
        const SPtr<Texture>& getTexture() const { return mTexture; }
 
        void setTexture(const SPtr<Texture>& texture);
 
        const SPtr<Texture>& getAlternateTexture() const { return mAlternateTexture; }
 
        void setAlternateTexture(const SPtr<Texture>& alternateTexture);
 
        UITexturePosition getTexturePosition() const { return mTexturePosition; }
 
        void setTexturePosition(UITexturePosition texturePosition);
 
        UITextureScaling getTextureScaling() const { return mTextureScaling; }
 
        void setTextureScaling(UITextureScaling textureScaling);
 
    public: // UIView
        void didChangeFrame(const UIRect& oldFrame) override;
 
        void didChangeBounds(const UIRect& bounds) override;
 
        [[nodiscard]] bool isPointInside(const UIPoint& point, const Optional<const UIEvent&>& event = nullopt) override;
 
        UISize getIntrinsicContentSize() const override;
 
        void draw(UIGraphicsContext& context, const UIRect& dirtyRect) override;
 
    protected:
        virtual void drawText(UIGraphicsContext& context);
        virtual void drawFrame(UIGraphicsContext& context);
 
    public: // UIResponder
        void keyDown(const UIKeyEvent& event) override;
 
        void keyUp(const UIKeyEvent& event) override;
 
        void mouseDown(const UIMouseEvent& event) override;
 
        void mouseUp(const UIMouseEvent& event) override;
 
    private:
        void updateTextLayout();
 
    public:
        static const UIColorAppearanceProperty borderColorProperty;
        static const UIColorAppearanceProperty backgroundColorProperty;
        static const UIColorAppearanceProperty innerBorderColorProperty;
        static const UIColorAppearanceProperty highlightColorProperty;
    };
} // namespace CeresEngine