connect(combo, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_channel_selected(int)));
decoder_form->addRow(tr("<b>%1</b> (%2) *")
connect(combo, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_channel_selected(int)));
decoder_form->addRow(tr("<b>%1</b> (%2) *")