Wt

#include	<Wt/WMessageBox>

#include	<Wt/WTemplate>

namespace

{

	class TestTemplate

		: public Wt::WApplication

	{

	public:

		TestTemplate( const Wt::WEnvironment& env )

			: Wt::WApplication( env )

		{

			auto t = new Wt::WTemplate;

			String templateText = R"(<div><iframe src="http://www.bitfactory.at" width="500" height="500">xxx</iframe></div>)";

			t->setTemplateText( templateText, Wt::XHTMLUnsafeText );

			root()->addWidget( t );

			auto w = new Wt::WContainerWidget;

			w->mouseWentDown().connect( [](...){ Wt::WMessageBox::show( "xx", "xx", Wt::Ok ); } );

			w->mouseWentUp().connect( [](...){ } );

			w->resize( 500, 500 );

			w->decorationStyle().setBackgroundColor( Wt::lightGray );

			root()->addWidget( w );

		}

	};

}