+ // Create and assign default signal groups if needed
+ if (signal_groups_.empty()) {
+ for (auto& entry : sr_dev->channel_groups()) {
+ const shared_ptr<sigrok::ChannelGroup>& group = entry.second;
+
+ if (group->channels().size() <= 1)
+ continue;
+
+ SignalGroup* sg = new SignalGroup(QString::fromStdString(entry.first));
+ for (const shared_ptr<sigrok::Channel>& channel : group->channels()) {
+ for (shared_ptr<data::SignalBase> s : signalbases_) {
+ if (s->channel() == channel) {
+ sg->append_signal(s);
+ break;
+ }
+ }
+ }
+ signal_groups_.emplace_back(sg);
+ }
+ }
+
+ // Update all views