X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fprop%2Fdouble.cpp;h=6f6fe0c1ea7e228ca7ed1487efa13e7202a3f5c2;hb=de1d99bbe58f825e30048baa48a9439c01686f10;hp=d7c79ca7db19ce6481d3b8293c06848fcd5364d0;hpb=9f6af8bd3a6bc12f9b32b91cd2a173a8a7763f5c;p=pulseview.git

diff --git a/pv/prop/double.cpp b/pv/prop/double.cpp
index d7c79ca7..6f6fe0c1 100644
--- a/pv/prop/double.cpp
+++ b/pv/prop/double.cpp
@@ -35,33 +35,36 @@ 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)
 {
 }
 
 QWidget* Double::get_widget(QWidget *parent)
 {
-	if(_spin_box)
+	if (_spin_box)
 		return _spin_box;
 
 	_spin_box = new QDoubleSpinBox(parent);
 	_spin_box->setDecimals(_decimals);
 	_spin_box->setSuffix(_suffix);
-	if(_range)
+	if (_range)
 		_spin_box->setRange(_range->first, _range->second);
-	if(_step)
+	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;
 }
@@ -70,10 +73,10 @@ void Double::commit()
 {
 	assert(_setter);
 
-	if(!_spin_box)
+	if (!_spin_box)
 		return;
 
-	_setter(_spin_box->value());
+	_setter(g_variant_new_double(_spin_box->value()));
 }
 
 } // prop