+void Signal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
+{
+ if (channel_->enabled())
+ Trace::paint_back(p, pp);
+}
+
+void Signal::populate_popup_form(QWidget *parent, QFormLayout *form)
+{
+ name_widget_ = new QComboBox(parent);
+ name_widget_->setEditable(true);
+ name_widget_->setCompleter(nullptr);