From: Joel Holdsworth <redacted>
Date: Sat, 25 Jan 2014 11:13:33 +0000 (+0000)
Subject: pv::prop::Enum: Do not create a widget if the initial value could not be retrieved
X-Git-Tag: pulseview-0.2.0~113
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=f352b9bbeafc33fab0d003573b86ceed17565b5e

pv::prop::Enum: Do not create a widget if the initial value could not be retrieved
---

diff --git a/pv/prop/enum.cpp b/pv/prop/enum.cpp
index d4a04cbb..9044c6ba 100644
--- a/pv/prop/enum.cpp
+++ b/pv/prop/enum.cpp
@@ -51,6 +51,8 @@ QWidget* Enum::get_widget(QWidget *parent, bool auto_commit)
 		return _selector;
 
 	GVariant *const value = _getter ? _getter() : NULL;
+	if (!value)
+		return NULL;
 
 	_selector = new QComboBox(parent);
 	for (unsigned int i = 0; i < _values.size(); i++) {