Refactor done

WidgetsNew/public/LayoutManager.hpp

@@ -0,0 +1,89 @@
+#pragma once
+
+#include "Rect.hpp"
+#include <vector>
+
+namespace tp {
+	class Widget;
+
+	enum class SizePolicy {
+		Fixed,
+		Expanding,
+		Minimal,
+	};
+
+	enum class LayoutPolicy {
+		Passive,
+		Vertical,
+		Horizontal,
+	};
+
+	class WidgetLayout {
+	public:
+		explicit WidgetLayout(Widget* widget) { mWidget = widget; }
+		virtual ~WidgetLayout() = default;
+
+		virtual void pickRect() = 0;
+		virtual void clampRect() = 0;
+		virtual void adjustChildrenRect() = 0;
+		virtual RectF getAvailableChildArea() const;
+
+	public:
+		const Vec2F& getMinSize();
+		void setMinSize(const Vec2F& size);
+
+		const Vec2<SizePolicy>& getSizePolicy() const;
+		void setSizePolicy(SizePolicy x, SizePolicy y);
+
+	public:
+		[[nodiscard]] const RectF& getArea() const;
+		RectF getAnimatedArea() const;
+
+		void setArea(const RectF& area);
+		[[nodiscard]] Widget* parent() const;
+		[[nodiscard]] const std::vector<Widget*>& children() const;
+
+	public:
+		void clampMinMaxSize();
+
+		[[nodiscard]] RangeF pickRange(const RangeF& current, const RangeF& child, const RangeF& parent, bool v) const;
+		[[nodiscard]] RangeF clampRange(const RangeF& current, const RangeF& child, const RangeF& parent, bool v) const;
+
+		[[nodiscard]] RectF getChildrenEnclosure() const;
+		[[nodiscard]] RectF getParentEnclosure() const;
+
+	private:
+		Widget* mWidget = nullptr;
+
+	protected:
+		Vec2<SizePolicy> mSizePolicy = { SizePolicy::Fixed, SizePolicy::Fixed };
+		Vec2F mMinSize = { 50, 50 };
+		Vec2F mMaxSize = { FLT_MAX / 2, FLT_MAX / 2 };
+	};
+
+	class BasicLayout : public WidgetLayout {
+	public:
+		explicit BasicLayout(Widget* widget) : WidgetLayout(widget) {}
+
+		void pickRect() override;
+		void clampRect() override;
+		void adjustChildrenRect() override;
+		RectF getAvailableChildArea() const override;
+
+	private:
+		void adjustLayout(bool vertical);
+		static halnf changeChildSize(Widget*, halnf diff, bool vertical);
+
+	private:
+		LayoutPolicy mLayoutPolicy = LayoutPolicy::Vertical;
+		halnf mLayoutGap = 5;
+		halnf mLayoutMargin = 10;
+	};
+
+	class LayoutManager {
+	public:
+		LayoutManager() = default;
+
+		void adjust(Widget* root);
+	};
+}