X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fview%2Flogicsignal.cpp;h=9c8f6b319cf7fbd1699b0810dea5ba17fe3bc753;hb=c063290ac7189bdd15221450f598504f43286b43;hp=f78170b01a30a0028a95befaf7665e7d8a33e649;hpb=6f925ba9d6faf1077b73c5a5808259576081716a;p=pulseview.git

diff --git a/pv/view/logicsignal.cpp b/pv/view/logicsignal.cpp
index f78170b..9c8f6b3 100644
--- a/pv/view/logicsignal.cpp
+++ b/pv/view/logicsignal.cpp
@@ -53,9 +53,7 @@ using std::vector;
 
 using sigrok::ConfigKey;
 using sigrok::Capability;
-using sigrok::Error;
 using sigrok::Trigger;
-using sigrok::TriggerStage;
 using sigrok::TriggerMatch;
 using sigrok::TriggerMatchType;
 
@@ -178,8 +176,7 @@ void LogicSignal::paint_mid(QPainter &p, const ViewItemPaintParams &pp)
 	if (segments.empty())
 		return;
 
-	const shared_ptr<pv::data::LogicSegment> &segment =
-		segments.front();
+	const shared_ptr<pv::data::LogicSegment> &segment = segments.front();
 
 	double samplerate = segment->samplerate();
 
@@ -347,6 +344,10 @@ void LogicSignal::init_trigger_actions(QWidget *parent)
 
 const vector<int32_t> LogicSignal::get_trigger_types() const
 {
+	// We may not be associated with a device
+	if (!device_)
+		return vector<int32_t>();
+
 	const auto sr_dev = device_->device();
 	if (sr_dev->config_check(ConfigKey::TRIGGER_MATCH, Capability::LIST)) {
 		const Glib::VariantContainerBase gvar =
@@ -393,7 +394,7 @@ QAction* LogicSignal::action_from_trigger_type(const TriggerMatchType *type)
 			action = trigger_change_;
 			break;
 		default:
-			assert(0);
+			assert(false);
 		}
 	}