namespace
{
	void ShowPopupMenu( Wt::WMouseEvent e )
	{
		auto popup = new Wt::WPopupMenu();
		popup->addItem( "MenuItem 1" );
		popup->popup( e );
	}

	class ItemDelegate
		: public Wt::WItemDelegate
	{
	public:
		ItemDelegate()
			: Wt::WItemDelegate()
		{}
		virtual Wt::WWidget *update( Wt::WWidget *widget, const Wt::WModelIndex& index, Wt::WFlags< Wt::ViewItemRenderFlag > flags ) override
		{
			auto w = Wt::WItemDelegate::update( widget, index, flags );
			if( auto interactWidget = dynamic_cast< Wt::WInteractWidget* >( w ) )
				interactWidget->mouseWentUp().connect( ShowPopupMenu );
			return w;
		}
	};

	class TestTableViewOpensTwoPopupMenus
		: public Wt::WApplication
	{
	public:
		TestTableViewOpensTwoPopupMenus( const Wt::WEnvironment& env )
			: Wt::WApplication( env )
			{
			auto tableView	= new Wt::WTableView();
			auto model		= new Wt::WStandardItemModel();
			tableView->setModel( model );
			tableView->setHeaderItemDelegate( new ItemDelegate() );
			tableView->mouseWentUp().connect( []( Wt::WModelIndex, Wt::WMouseEvent e, ... ){ ShowPopupMenu( e ); } );
			model->appendRow({ new Wt::WStandardItem( "Data" ) });
			model->setHeaderData( 0, boost::any( std::string( "Header" ) ) );
			root()->addWidget( tableView );
		}
	};
}