X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fprop%2Fbool.cpp;fp=pv%2Fprop%2Fbool.cpp;h=e0e052fc6b2b377c3d580192beda10793d331884;hb=33666ec04c2a8bdeecd39eebfcf853a3628d6501;hp=ac142fd440403c6b015c441f6e6b1d13ae3923aa;hpb=552f686eee3b9cc12304becdc4348ad1018870ae;p=pulseview.git

diff --git a/pv/prop/bool.cpp b/pv/prop/bool.cpp
index ac142fd..e0e052f 100644
--- a/pv/prop/bool.cpp
+++ b/pv/prop/bool.cpp
@@ -42,15 +42,14 @@ QWidget* Bool::get_widget(QWidget *parent, bool auto_commit)
 	if (_check_box)
 		return _check_box;
 
-	_check_box = new QCheckBox(name(), parent);
-
 	GVariant *const value = _getter ? _getter() : NULL;
+	if (!value)
+		return NULL;
 
-	if (value) {
-		_check_box->setCheckState(g_variant_get_boolean(value) ?
-			Qt::Checked : Qt::Unchecked);
-		g_variant_unref(value);
-	}
+	_check_box = new QCheckBox(name(), parent);
+	_check_box->setCheckState(g_variant_get_boolean(value) ?
+		Qt::Checked : Qt::Unchecked);
+	g_variant_unref(value);
 
 	if (auto_commit)
 		connect(_check_box, SIGNAL(stateChanged(int)),