+ ~DataFrom*

GUI/Model/Project/DataSource.cpp

@@ -72,6 +72,9 @@ Data2DItem* DataSource::currentData2DItem() const
     return allData2DItems().first();
 }
 
+//  ************************************************************************************************
+
+DataFromData::~DataFromData() = default;
 
 DataItem* DataFromData::realDataItem() const
 {
@@ -90,6 +93,9 @@ Data2DItem* DataFromData::realData2DItem() const
     return dynamic_cast<Data2DItem*>(realDataItem());
 }
 
+//  ************************************************************************************************
+
+DataFromJob::~DataFromJob() = default;
 
 JobItem* DataFromJob::jobxItem() const
 {

GUI/Model/Project/DataSource.h

@@ -29,7 +29,7 @@ class JobItem;
 
 class DataSource {
 public:
-    ~DataSource();
+    virtual ~DataSource();
     virtual JobItem* jobxItem() const = 0;
 
     //... Access to concrete items:
@@ -59,6 +59,7 @@ protected:
 
 class DataFromData : public DataSource {
 public:
+    ~DataFromData() override;
     JobItem* jobxItem() const override { return nullptr; }
 
     Data1DItem* realData1DItem() const override;
@@ -70,6 +71,7 @@ private:
 
 class DataFromJob : public DataSource {
 public:
+    ~DataFromJob() override;
     JobItem* jobxItem() const override;
 
     Data1DItem* realData1DItem() const override;