+ return base_->enabled();
+}
+
+shared_ptr<data::SignalBase> Signal::base() const
+{
+ return base_;
+}
+
+void Signal::save_settings(QSettings &settings) const
+{
+ (void)settings;
+}
+
+void Signal::restore_settings(QSettings &settings)
+{
+ (void)settings;
+}
+
+const ViewItemOwner::item_list& Signal::child_items() const
+{
+ return items_;
+}
+
+void Signal::paint_back(QPainter &p, const ViewItemPaintParams &pp)
+{
+ if (base_->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);
+
+ for (unsigned int i = 0; i < countof(ChannelNames); i++)
+ name_widget_->insertItem(i, ChannelNames[i]);
+
+ const int index = name_widget_->findText(base_->name(), Qt::MatchExactly);
+
+ if (index == -1) {
+ name_widget_->insertItem(0, base_->name());
+ name_widget_->setCurrentIndex(0);
+ } else {
+ name_widget_->setCurrentIndex(index);
+ }
+
+ connect(name_widget_, SIGNAL(editTextChanged(const QString&)),
+ this, SLOT(on_nameedit_changed(const QString&)));
+
+ form->addRow(tr("Name"), name_widget_);
+
+ add_colour_option(parent, form);