refXml->get_widget("text", m_text); // m_text is a textview widget
//Targets:
std::list<Gtk::TargetEntry> listTargets;
listTargets.push_back( Gtk::TargetEntry("UTF8_STRING") );
m_text->drag_dest_set(listTargets);
m_text->signal_drag_data_received().connect(sigc::mem_fun(*this, &SynthesisFrame::on_text_drop_drag_data_received) );

void SynthesisFrame::on_text_drop_drag_data_received(const Glib::RefPtr<Gdk::DragContext>& context, int, int, const Gtk::SelectionData& selection_data, guint, guint time)
{
	if((selection_data.get_length() >= 0) && (selection_data.get_format() == 8))
	{
		if (selection_data.get_data_type() == "UTF8_STRING")
		{
			try
			{
				m_text->get_buffer()->set_text("");
				//Glib::ustring txt = Glib::file_get_contents( Glib::filename_from_utf8((Glib::filename_from_uri(selection_data.get_data_as_string()))) );
				Utils::display_error( *this, "before loading: " +  Glib::filename_from_uri(selection_data.get_data_as_string()));
				Glib::ustring txt;
				Glib::RefPtr<Glib::IOChannel> ifile = Glib::IOChannel::create_from_file(Glib::locale_from_utf8(Glib::filename_from_uri(selection_data.get_data_as_string())), "r");
				ifile->read_to_end(txt);
				ifile->close();
				m_text->get_buffer()->set_text(txt);
				std::cout << "Received => "<< selection_data.get_data_type() << std::endl;
				std::cout << "Received data => "<< selection_data.get_data_as_string() << std::endl;
				std::cout << "Received content => "<< txt << std::endl;
			}
			catch (Glib::ConvertError& e)
			{
				Utils::display_error( *this, e.what() );
			}
			catch (Glib::FileError& e)
			{
				Utils::display_error( *this, e.what() );
			}
		}
		else
		{
			std::cout << "No Received" << std::endl;
		}
	}
	context->drag_finish(true, true, time);
}