Restore math signals as well

[pulseview.git] / pv / data / mathsignal.cpp

diff --git a/pv/data/mathsignal.cpp b/pv/data/mathsignal.cpp
index e560a2e7b1a3c9a99b7aaa94ed65b4d04165252f..079c297d828470e0060a329bfc3e21577a558f28 100644 (file)
--- a/pv/data/mathsignal.cpp
+++ b/pv/data/mathsignal.cpp
@@ -110,6 +110,8 @@ MathSignal::~MathSignal()
 
 void MathSignal::save_settings(QSettings &settings) const
 {
+       SignalBase::save_settings(settings);
+
        settings.setValue("expression", expression_);
 
        settings.setValue("custom_sample_rate", (qulonglong)custom_sample_rate_);
@@ -120,6 +122,8 @@ void MathSignal::save_settings(QSettings &settings) const
 
 void MathSignal::restore_settings(QSettings &settings)
 {
+       SignalBase::restore_settings(settings);
+
        if (settings.contains("expression"))
                expression_ = settings.value("expression").toString();