Fixed Hex Timestamps

plotjuggler_plugins/DataLoadCSV/dataload_csv.cpp

@@ -602,6 +602,64 @@ bool DataLoadCSV::readDataFromFile(FileLoadInfo* info, PlotDataMapRef& plot_data
   const QString format_string = _ui->lineEditDateFormat->text();
   const bool parse_date_format = _ui->radioCustomTime->isChecked();
 
+  auto ParseNumber = [&](QString str, bool& is_number) {
+    QString str_trimmed = str.trimmed();
+    double val = val = str_trimmed.toDouble(&is_number);
+    // handle numbers with comma instead of point as decimal separator
+    if (!is_number)
+    {
+      static QLocale locale_with_comma(QLocale::German);
+      val = locale_with_comma.toDouble(str_trimmed, &is_number);
+    }
+    // handle hexadecimal values (with or without 0x prefix)
+    if (!is_number)
+    {
+      bool ok = false;
+      // Try parsing as hex with 0x prefix
+      if (str_trimmed.startsWith("0x", Qt::CaseInsensitive))
+      {
+        val = str_trimmed.toLongLong(&ok, 16);
+        is_number = ok;
+      }
+      // Try parsing as plain hex (e.g., "A", "FF", "1A")
+      else if (str_trimmed.length() > 0)
+      {
+        bool all_hex = true;
+        for (int i = 0; i < str_trimmed.length(); ++i)
+        {
+          QChar c = str_trimmed[i];
+          if (!c.isDigit() && !(c >= 'a' && c <= 'f') && !(c >= 'A' && c <= 'F'))
+          {
+            all_hex = false;
+            break;
+          }
+        }
+        if (all_hex)
+        {
+          val = str_trimmed.toLongLong(&ok, 16);
+          is_number = ok;
+        }
+      }
+    }
+    if (!is_number)
+    {
+      QDateTime ts;
+      if (parse_date_format)
+      {
+        ts = QDateTime::fromString(str_trimmed, format_string);
+      }
+      else
+      {
+        ts = QDateTime::fromString(str_trimmed, Qt::ISODateWithMs);
+      }
+      is_number = ts.isValid();
+      if (is_number)
+      {
+        val = ts.toMSecsSinceEpoch() / 1000.0;
+      }
+    }
+    return val;
+  };
   // Vector to store detected column types (detected from first data row)
   std::vector<PJ::CSV::ColumnTypeInfo> column_types(column_names.size());
   bool column_types_detected = false;