+void Double::update_widget()
+{
+ if (!spin_box_)
+ return;
+
+ Glib::VariantBase variant;
+
+ try {
+ variant = getter_();
+ } catch (const sigrok::Error &e) {
+ qWarning() << tr("Querying config key %1 resulted in %2").arg(name_, e.what());
+ return;
+ }
+
+ assert(variant.gobj());
+
+ double value = Glib::VariantBase::cast_dynamic<Glib::Variant<double>>(
+ variant).get();
+ spin_box_->setValue(value);
+}
+