X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fprop%2Fdouble.cpp;h=39e205ee691f2910dd7899ac958ae5d9c69bde3f;hp=c1e776e1f6c890c21d9d435cbc66316d8976e528;hb=f459c5400e067c4389c472b84194d760e7bfd585;hpb=793f8096c486d0fba871227d9772a510f7496c08

diff --git a/pv/prop/double.cpp b/pv/prop/double.cpp
index c1e776e1..39e205ee 100644
--- a/pv/prop/double.cpp
+++ b/pv/prop/double.cpp
@@ -35,19 +35,21 @@ Double::Double(QString name,
 	QString suffix,
 	optional< pair<double, double> > range,
 	optional<double> step,
-	function<double ()> getter,
-	function<void (double)> setter) :
-	Property(name),
+	Getter getter,
+	Setter setter) :
+	Property(name, getter, setter),
 	_decimals(decimals),
 	_suffix(suffix),
 	_range(range),
 	_step(step),
-	_getter(getter),
-	_setter(setter),
 	_spin_box(NULL)
 {
 }
 
+Double::~Double()
+{
+}
+
 QWidget* Double::get_widget(QWidget *parent)
 {
 	if (_spin_box)
@@ -61,7 +63,12 @@ QWidget* Double::get_widget(QWidget *parent)
 	if (_step)
 		_spin_box->setSingleStep(*_step);
 
-	_spin_box->setValue(_getter ? _getter() : 0.0);
+	GVariant *const value = _getter ? _getter() : NULL;
+
+	if (value) {
+		_spin_box->setValue(g_variant_get_double(value));
+		g_variant_unref(value);
+	}
 
 	return _spin_box;
 }
@@ -73,7 +80,7 @@ void Double::commit()
 	if (!_spin_box)
 		return;
 
-	_setter(_spin_box->value());
+	_setter(g_variant_new_double(_spin_box->value()));
 }
 
 } // prop