Scrolling layout

WidgetsNew/public/layouts/ScrollableLayout.hpp

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "Layout.hpp"
+
+namespace tp {
+	class ScrollableBarWidget;
+
+	class ScrollableLayout : public WidgetLayout {
+	public:
+		explicit ScrollableLayout(Widget* widget) :
+			WidgetLayout(widget) {}
+
+		void updateLayout(bool vertical) override;
+		[[nodiscard]] RectF getAvailableChildArea() const override;
+
+	private:
+		void updateWidgetRects(const RectF& area, Widget* content, ScrollableBarWidget* scroller) const;
+
+	private:
+		halnf mScrollerSize = 15;
+	};
+}