fix lint

Author: igagis

src/ruis/widget/base/list_providable.hpp

@@ -33,7 +33,7 @@ class list_providable;
  * @brief Item widgets provider class.
  * User should subclass this class to provide item widgets to a list_providable.
  */
-class list_provider : virtual public utki::shared
+class list_provider
 {
 	friend class list_providable;
 
@@ -43,6 +43,14 @@ class list_provider : virtual public utki::shared
 	list_provider(utki::shared_ref<ruis::context> context);
 
 public:
+	list_provider(const list_provider&) = delete;
+	list_provider& operator=(const list_provider&) = delete;
+
+	list_provider(list_provider&&) = delete;
+	list_provider& operator=(list_provider&&) = delete;
+
+	virtual ~list_provider() = default;
+
 	const utki::shared_ref<ruis::context> context;
 
 	/**

src/ruis/widget/group/table_list.hpp

@@ -27,6 +27,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 namespace ruis {
 
+// NOLINTNEXTLINE(bugprone-incorrect-enable-shared-from-this, "std::enable_shared_from_this is public via widget inheritance")
 class table_list :
 	virtual public widget, //
 	private container

src/ruis/widget/group/table_tree_view.hpp

@@ -27,6 +27,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 namespace ruis {
 
+// NOLINTNEXTLINE(bugprone-incorrect-enable-shared-from-this, "std::enable_shared_from_this is public via widget inheritance")
 class table_tree_view :
 	virtual public ruis::widget, //
 	private ruis::container

src/ruis/widget/group/tiling_area.cpp

@@ -41,6 +41,7 @@ class dragger : public ruis::gap
 	ruis::mouse_cursor_stack::iterator arrows_cursor_iter;
 
 public:
+	// TODO: use shared_ref?
 	std::shared_ptr<ruis::widget> prev_widget;
 	std::shared_ptr<ruis::widget> next_widget;
 

src/ruis/widget/group/tiling_area.hpp

@@ -27,10 +27,12 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 namespace ruis {
 
-/*
-The tile_area arranges its content widgets (tiles) either vertially or horizontally.
-Common borders of the contained tiles are draggable with mouse pointer.
-*/
+/**
+ * @brief Tiling area.
+ * The tile_area arranges its content widgets (tiles) either vertially or horizontally.
+ * Common borders of the adjacent contained tiles are draggable with mouse pointer.
+ */
+// NOLINTNEXTLINE(bugprone-incorrect-enable-shared-from-this, "std::enable_shared_from_this is public via widget inheritance")
 class tiling_area :
 	virtual public widget, //
 	public ruis::oriented,

src/ruis/widget/group/tree_view.hpp

@@ -45,10 +45,7 @@ class tree_view :
 	 * User subclasses this class to provide tree_view an access to the tree data model
 	 * and provide a way to represent the data as widgets.
 	 */
-	// NOLINTNEXTLINE(bugprone-incorrect-enable-shared-from-this, "std::shared_from_this is public via utki::shared")
-	class provider :
-		public virtual utki::shared, //
-		private list_provider
+	class provider : private list_provider
 	{
 		friend class tree_view;