-QWidget *GraphicalUi::_mainWidget = nullptr;
-QHash<QString, ActionCollection *> GraphicalUi::_actionCollections;
-ContextMenuActionProvider *GraphicalUi::_contextMenuActionProvider = nullptr;
-ToolBarActionProvider *GraphicalUi::_toolBarActionProvider = nullptr;
-UiStyle *GraphicalUi::_uiStyle = nullptr;
+QWidget* GraphicalUi::_mainWidget = nullptr;
+QHash<QString, ActionCollection*> GraphicalUi::_actionCollections;
+ContextMenuActionProvider* GraphicalUi::_contextMenuActionProvider = nullptr;
+ToolBarActionProvider* GraphicalUi::_toolBarActionProvider = nullptr;
+UiStyle* GraphicalUi::_uiStyle = nullptr;