HeatMap: Catch memory allocation failures when adding data to the chart and disable it. For #2083

plugins/channelrx/heatmap/heatmapgui.cpp

@@ -1505,6 +1505,8 @@ void HeatMapGUI::plotPowerVsTimeChart()
 void HeatMapGUI::addToPowerSeries(QDateTime dateTime, double average, double pulseAverage, double max, double min, double pathLoss)
 {
     if (m_powerAverageSeries)
+    {
+        try
         {
             qint64 msecs = dateTime.toMSecsSinceEpoch();
             if (!std::isnan(average)) {
@@ -1523,6 +1525,12 @@ void HeatMapGUI::addToPowerSeries(QDateTime dateTime, double average, double pul
                 m_powerPathLossSeries->append(msecs, pathLoss);
             }
         }
+        catch (std::bad_alloc&)
+        {
+           QMessageBox::critical(this, "Heat Map", QString("Failed to allocate memory for chart series"));
+           ui->displayChart->setChecked(false);
+        }
+    }
 }
 
 void HeatMapGUI::updateAxis()