Refactor layout and size policies - dirty

WidgetsNew/public/LayoutPolicies.hpp

@@ -0,0 +1,67 @@
+#pragma once
+
+#include "Rect.hpp"
+
+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 void adjustWidget() = 0;
+
+		virtual void pickRect();
+		virtual void clampRect();
+		virtual void adjustChildrenRect();
+		void adjustLayout(bool vertical);
+		halnf changeChildSize(Widget*, halnf diff, bool vertical);
+
+		RangeF pickRange(const RangeF& current, const RangeF& children, const RangeF& parent, bool vertical);
+		RangeF clampRange(const RangeF& current, const RangeF& children, const RangeF& parent, bool vertical);
+
+		void clampMinMaxSize();
+
+		RectF getChildrenEnclosure();
+		RectF getParentEnclosure();
+
+	protected:
+		const RectF& getArea();
+		void setArea(const RectF& area);
+
+	private:
+		Widget* mWidget = nullptr;
+	};
+
+	class BasicLayout : public WidgetLayout {
+	public:
+		BasicLayout() = default;
+
+		void adjustWidget() override;
+
+	private:
+
+
+	private:
+		LayoutPolicy mLayoutPolicy = LayoutPolicy::Vertical;
+		Vec2<SizePolicy> mSizePolicy = { SizePolicy::Fixed, SizePolicy::Fixed };
+
+		Vec2F mMinSize = { 50, 50 };
+		Vec2F mMaxSize = { FLT_MAX / 2, FLT_MAX / 2 };
+
+		halnf mLayoutGap = 5;
+		halnf mLayoutMargin = 10;
+	};
+}