FEM: modernize C++: use default member init

src/Mod/Fem/Gui/ActiveAnalysisObserver.cpp

@@ -41,10 +41,7 @@ ActiveAnalysisObserver* ActiveAnalysisObserver::instance()
     return inst;
 }
 
-ActiveAnalysisObserver::ActiveAnalysisObserver()
-    : activeObject(nullptr), activeView(nullptr), activeDocument(nullptr)
-{
-}
+ActiveAnalysisObserver::ActiveAnalysisObserver() = default;
 
 ActiveAnalysisObserver::~ActiveAnalysisObserver() = default;
 

src/Mod/Fem/Gui/ActiveAnalysisObserver.h

@@ -55,9 +55,9 @@ private:
 
 private:
     static ActiveAnalysisObserver* inst;
-    Fem::FemAnalysis* activeObject;
-    Gui::ViewProviderDocumentObject* activeView;
-    Gui::Document* activeDocument;
+    Fem::FemAnalysis* activeObject{nullptr};
+    Gui::ViewProviderDocumentObject* activeView{nullptr};
+    Gui::Document* activeDocument{nullptr};
 };
 
 } //namespace FemGui

src/Mod/Fem/Gui/ViewProviderFemPostFunction.h

@@ -53,7 +53,7 @@ class FemGuiExport FunctionWidget : public QWidget
 {
     Q_OBJECT
 public:
-    FunctionWidget() : m_block(false), m_view(nullptr), m_object(nullptr) {}
+    FunctionWidget() = default;
     ~FunctionWidget() override = default;
 
     virtual void applyPythonCode() = 0;
@@ -70,9 +70,9 @@ protected:
     virtual void onChange(const App::Property& p) = 0;
 
 private:
-    bool                                        m_block;
-    ViewProviderFemPostFunction*                m_view;
-    Fem::FemPostFunction*                       m_object;
+    bool                                        m_block{false};
+    ViewProviderFemPostFunction*                m_view{nullptr};
+    Fem::FemPostFunction*                       m_object{nullptr};
     boost::signals2::scoped_connection          m_connection;
 };
 

src/Mod/Fem/Gui/ViewProviderFemPostObject.cpp

@@ -135,7 +135,7 @@ private:
 
 PROPERTY_SOURCE(FemGui::ViewProviderFemPostObject, Gui::ViewProviderDocumentObject)
 
-ViewProviderFemPostObject::ViewProviderFemPostObject() : m_blockPropertyChanges(false)
+ViewProviderFemPostObject::ViewProviderFemPostObject()
 {
     //initialize the properties
     ADD_PROPERTY_TYPE(Field,

src/Mod/Fem/Gui/ViewProviderFemPostObject.h

@@ -161,7 +161,7 @@ private:
     void addAbsoluteField(vtkDataSet* dset, std::string FieldName);
 
     App::Enumeration m_coloringEnum, m_vectorEnum;
-    bool m_blockPropertyChanges;
+    bool m_blockPropertyChanges{false};
 };
 
 } //namespace FemGui