} else if (ob == dialog_->check_sideways) {
setEnabled(dialog_->radio_default, !sideways);
setEnabled(dialog_->radio_alternatives, !sideways);
setEnabled(dialog_->radio_here_definitely, !wide && !sideways);
setEnabled(dialog_->check_top, alternatives && !sideways);
} else if (ob == dialog_->check_sideways) {
setEnabled(dialog_->radio_default, !sideways);
setEnabled(dialog_->radio_alternatives, !sideways);
setEnabled(dialog_->radio_here_definitely, !wide && !sideways);
setEnabled(dialog_->check_top, alternatives && !sideways);