X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fprop%2Fenum.cpp;h=9044c6bae9d3c6335589c26e7be65835186a7b81;hp=412a31b0827854d01d103d5f110325b7717faaad;hb=f45925927eba2b93f367e63f5e3b651e24c67eb3;hpb=b1fe148e0dce6e369c9d4770ca935a6a9ec94b59

diff --git a/pv/prop/enum.cpp b/pv/prop/enum.cpp
index 412a31b0..9044c6ba 100644
--- a/pv/prop/enum.cpp
+++ b/pv/prop/enum.cpp
@@ -24,8 +24,8 @@
 
 #include "enum.h"
 
-using namespace boost;
-using namespace std;
+using std::pair;
+using std::vector;
 
 namespace pv {
 namespace prop {
@@ -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++) {