X-Git-Url: http://git.code-monkey.de/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fprop%2Fdouble.cpp;h=57512d723ff26b5cd3473432040e975cf914e8bb;hp=e1539a127d63dccd9830673a21d66bd07e343f69;hb=dbed5609ae31cdfc3e9db10f3ab91b7607c08372;hpb=7dd518b81be3a446017040dc758003d236e158ff

diff --git a/pv/prop/double.cpp b/pv/prop/double.cpp
index e1539a1..57512d7 100644
--- a/pv/prop/double.cpp
+++ b/pv/prop/double.cpp
@@ -58,9 +58,6 @@ QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
 	if (!variant.gobj())
 		return nullptr;
 
-	double value = Glib::VariantBase::cast_dynamic<Glib::Variant<double>>(
-		variant).get();
-
 	spin_box_ = new QDoubleSpinBox(parent);
 	spin_box_->setDecimals(decimals_);
 	spin_box_->setSuffix(suffix_);
@@ -69,7 +66,7 @@ QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
 	if (step_)
 		spin_box_->setSingleStep(*step_);
 
-	spin_box_->setValue(value);
+	update_widget();
 
 	if (auto_commit)
 		connect(spin_box_, SIGNAL(valueChanged(double)),
@@ -78,6 +75,19 @@ QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
 	return spin_box_;
 }
 
+void Double::update_widget()
+{
+	if (!spin_box_)
+		return;
+
+	Glib::VariantBase variant = getter_();
+	assert(variant.gobj());
+
+	double value = Glib::VariantBase::cast_dynamic<Glib::Variant<double>>(
+		variant).get();
+	spin_box_->setValue(value);
+}
+
 void Double::commit()
 {
 	assert(setter_);