connect(noteRB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
connect(greyedoutRB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
connect(commentRB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
connect(noteRB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
connect(greyedoutRB, SIGNAL(clicked()), this, SLOT(change_adaptor()));
connect(commentRB, SIGNAL(clicked()), this, SLOT(change_adaptor()));