connect(extendedcharsCB, SIGNAL(clicked()),
this, SLOT(change_adaptor()));
connect(listingsED, SIGNAL(textChanged()),
this, SLOT(change_adaptor()));
connect(listingsED, SIGNAL(textChanged()),
connect(extendedcharsCB, SIGNAL(clicked()),
this, SLOT(change_adaptor()));
connect(listingsED, SIGNAL(textChanged()),
this, SLOT(change_adaptor()));
connect(listingsED, SIGNAL(textChanged()),