connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_conv_threshold_changed(int)));
connect(conv_threshold_cb_, SIGNAL(currentIndexChanged(int)),
this, SLOT(on_conv_threshold_changed(int)));
this, SLOT(on_conv_threshold_changed())); // index will be -1
// Add the display type dropdown
this, SLOT(on_conv_threshold_changed())); // index will be -1
// Add the display type dropdown