Delete widgets without parents in CDockAreaLayout. (#241)

Author: shelomentsev

src/DockAreaWidget.cpp

@@ -86,6 +86,18 @@ class CDockAreaLayout
 
 	}
 
+	/**
+	 * Delete widgets without parents in this layout
+	 */
+	~CDockAreaLayout()
+	{
+		for(auto Widget : m_Widgets)
+		{
+			if(!Widget->parent())
+				delete Widget;
+		}
+	}
+
 	/**
 	 * Returns the number of widgets in this layout
 	 */