X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fprop%2Fdouble.cpp;h=93b45d327362f93b12595a4249e154bcdac0bb14;hp=188286ae1c4ff08a22687c0ac11704c69920ff23;hb=005cd4a714981dab06c5a59b7512e19efb03e24d;hpb=b1fe148e0dce6e369c9d4770ca935a6a9ec94b59

diff --git a/pv/prop/double.cpp b/pv/prop/double.cpp
index 188286ae..93b45d32 100644
--- a/pv/prop/double.cpp
+++ b/pv/prop/double.cpp
@@ -24,8 +24,8 @@
 
 #include "double.h"
 
-using namespace std;
-using namespace boost;
+using boost::optional;
+using std::pair;
 
 namespace pv {
 namespace prop {
@@ -55,6 +55,10 @@ QWidget* Double::get_widget(QWidget *parent, bool auto_commit)
 	if (_spin_box)
 		return _spin_box;
 
+	GVariant *const value = _getter ? _getter() : NULL;
+	if (!value)
+		return NULL;
+
 	_spin_box = new QDoubleSpinBox(parent);
 	_spin_box->setDecimals(_decimals);
 	_spin_box->setSuffix(_suffix);
@@ -63,12 +67,8 @@ 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(g_variant_get_double(value));
+	g_variant_unref(value);
 
 	if (auto_commit)
 		connect(_spin_box, SIGNAL(valueChanged(double)),