X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fprop%2Fdouble.cpp;h=54540bc68ded41c0575c3202726ac383665b5814;hb=06149d431d48726903ace7216c20f3a8d110cdf8;hp=fa5e5688148bc8f07fe089f88ed3be161a1fab11;hpb=819f4c25391a9c74d3d2f528d462142d5c4aad4d;p=pulseview.git

diff --git a/pv/prop/double.cpp b/pv/prop/double.cpp
index fa5e5688..54540bc6 100644
--- a/pv/prop/double.cpp
+++ b/pv/prop/double.cpp
@@ -55,6 +55,16 @@ QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
 	if (_spin_box)
 		return _spin_box;
 
+	if (!_getter)
+		return NULL;
+
+	Glib::VariantBase variant = _getter();
+	if (!variant.gobj())
+		return NULL;
+
+	double value = Glib::VariantBase::cast_dynamic<Glib::Variant<double>>(
+		variant).get();
+
 	_spin_box = new QDoubleSpinBox(parent);
 	_spin_box->setDecimals(_decimals);
 	_spin_box->setSuffix(_suffix);
@@ -63,12 +73,7 @@ QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
 	if (_step)
 		_spin_box->setSingleStep(*_step);
 
-	GVariant *const value = _getter ? _getter() : NULL;
-
-	if (value) {
-		_spin_box->setValue(g_variant_get_double(value));
-		g_variant_unref(value);
-	}
+	_spin_box->setValue(value);
 
 	if (auto_commit)
 		connect(_spin_box, SIGNAL(valueChanged(double)),
@@ -84,7 +89,7 @@ void Double::commit()
 	if (!_spin_box)
 		return;
 
-	_setter(g_variant_new_double(_spin_box->value()));
+	_setter(Glib::Variant<double>::create(_spin_box->value()));
 }
 
 void Double::on_value_changed(double)