X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fprop%2Fdouble.cpp;h=57512d723ff26b5cd3473432040e975cf914e8bb;hb=119c5c232ef47e92ef6a5cc9f8b7c4c31dc2f387;hp=2e7f1d542038eb959739ea0d8d06a6a28e116513;hpb=870ea3dbf35b182e120c5d84ab89bf9cb7691232;p=pulseview.git

diff --git a/pv/prop/double.cpp b/pv/prop/double.cpp
index 2e7f1d54..57512d72 100644
--- a/pv/prop/double.cpp
+++ b/pv/prop/double.cpp
@@ -30,13 +30,14 @@ namespace pv {
 namespace prop {
 
 Double::Double(QString name,
+	QString desc,
 	int decimals,
 	QString suffix,
 	optional< pair<double, double> > range,
 	optional<double> step,
 	Getter getter,
 	Setter setter) :
-	Property(name, getter, setter),
+	Property(name, desc, getter, setter),
 	decimals_(decimals),
 	suffix_(suffix),
 	range_(range),
@@ -57,9 +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_);
@@ -68,7 +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)),
@@ -77,6 +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_);