for (unsigned int i = 0; i < keys.size(); i++) {
int index = keys[i]->getIndex();
SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);
for (unsigned int i = 0; i < keys.size(); i++) {
int index = keys[i]->getIndex();
SG_LOG(SG_INPUT, SG_DEBUG, "Binding key " << index);