Replace Old Widgets

Widgets/public/Layout.hpp

@@ -0,0 +1,70 @@
+#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 {
+		friend class DebugManager;
+		friend class LayoutManager;
+
+	public:
+		explicit WidgetLayout(Widget* widget) { mWidget = widget; }
+		virtual ~WidgetLayout() = default;
+
+		virtual void updateLayout(bool vertical) {}
+
+		virtual void pickRect(bool vertical) {}
+		virtual void clampRect() {}
+		[[nodiscard]] virtual RectF getAvailableChildArea() const;
+
+	public:
+		const Vec2F& getMinSize();
+		void setMinSize(const Vec2F& size);
+
+		[[nodiscard]] const Vec2<SizePolicy>& getSizePolicy() const;
+		void setSizePolicy(SizePolicy x, SizePolicy y);
+
+	public:
+		[[nodiscard]] const RectF& getArea() const;
+		[[nodiscard]] 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 };
+
+	private:
+		// RectF mPrevArea{};
+	};
+}