Points: modernize C++11

* remove redundant void-arg
* use nullptr

src/Mod/Points/Gui/AppPointsGui.cpp

@@ -38,7 +38,7 @@
 #include <Mod/Points/App/PropertyPointKernel.h>
 
 // use a different name to CreateCommand()
-void CreatePointsCommands(void);
+void CreatePointsCommands();
 
 void loadPointsResource()
 {
@@ -74,7 +74,7 @@ PyMOD_INIT_FUNC(PointsGui)
 {
     if (!Gui::Application::Instance) {
         PyErr_SetString(PyExc_ImportError, "Cannot load Gui module in console application.");
-        PyMOD_Return(0);
+        PyMOD_Return(nullptr);
     }
 
     // load dependent module
@@ -83,7 +83,7 @@ PyMOD_INIT_FUNC(PointsGui)
     }
     catch(const Base::Exception& e) {
         PyErr_SetString(PyExc_ImportError, e.what());
-        PyMOD_Return(0);
+        PyMOD_Return(nullptr);
     }
 
     Base::Console().Log("Loading GUI of Points module... done\n");

src/Mod/Points/Gui/Command.cpp

@@ -96,7 +96,7 @@ void CmdPointsImport::activated(int iMsg)
     }
 }
 
-bool CmdPointsImport::isActive(void)
+bool CmdPointsImport::isActive()
 {
     if (getActiveGuiDocument())
         return true;
@@ -139,7 +139,7 @@ void CmdPointsExport::activated(int iMsg)
     }
 }
 
-bool CmdPointsExport::isActive(void)
+bool CmdPointsExport::isActive()
 {
     return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 0;
 }
@@ -176,7 +176,7 @@ void CmdPointsTransform::activated(int iMsg)
     commitCommand();
 }
 
-bool CmdPointsTransform::isActive(void)
+bool CmdPointsTransform::isActive()
 {
     return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 0;
 }
@@ -227,7 +227,7 @@ void CmdPointsConvert::activated(int iMsg)
             std::vector<Base::Vector3d> normals;
             data->getPoints(vertexes, normals, static_cast<float>(tol));
             if (!vertexes.empty()) {
-                Points::Feature* fea = 0;
+                Points::Feature* fea = nullptr;
                 if (vertexes.size() == normals.size()) {
                     fea = static_cast<Points::Feature*>(Base::Type::fromName("Points::FeatureCustom").createInstance());
                     if (!fea) {
@@ -268,7 +268,7 @@ void CmdPointsConvert::activated(int iMsg)
         abortCommand();
 }
 
-bool CmdPointsConvert::isActive(void)
+bool CmdPointsConvert::isActive()
 {
     return getSelection().countObjectsOfType(Base::Type::fromName("App::GeoFeature")) > 0;
 }
@@ -312,7 +312,7 @@ void CmdPointsPolyCut::activated(int iMsg)
     }
 }
 
-bool CmdPointsPolyCut::isActive(void)
+bool CmdPointsPolyCut::isActive()
 {
     // Check for the selected mesh feature (all Mesh types)
     return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 0;
@@ -356,7 +356,7 @@ void CmdPointsMerge::activated(int iMsg)
     updateActive();
 }
 
-bool CmdPointsMerge::isActive(void)
+bool CmdPointsMerge::isActive()
 {
     return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) > 1;
 }
@@ -464,12 +464,12 @@ void CmdPointsStructure::activated(int iMsg)
     updateActive();
 }
 
-bool CmdPointsStructure::isActive(void)
+bool CmdPointsStructure::isActive()
 {
     return getSelection().countObjectsOfType(Points::Feature::getClassTypeId()) == 1;
 }
 
-void CreatePointsCommands(void)
+void CreatePointsCommands()
 {
     Gui::CommandManager &rcCmdMgr = Gui::Application::Instance->commandManager();
     rcCmdMgr.addCommand(new CmdPointsImport());

src/Mod/Points/Gui/ViewProvider.cpp

@@ -247,7 +247,7 @@ void ViewProviderPoints::setDisplayMode(const char* ModeName)
     ViewProviderGeometryObject::setDisplayMode(ModeName);
 }
 
-std::vector<std::string> ViewProviderPoints::getDisplayModes(void) const
+std::vector<std::string> ViewProviderPoints::getDisplayModes() const
 {
     std::vector<std::string> StrList;
     StrList.push_back("Points");
@@ -650,8 +650,8 @@ template class PointsGuiExport ViewProviderPythonFeatureT<PointsGui::ViewProvide
 
 void ViewProviderPointsBuilder::buildNodes(const App::Property* prop, std::vector<SoNode*>& nodes) const
 {
-    SoCoordinate3 *pcPointsCoord=0;
-    SoPointSet *pcPoints=0;
+    SoCoordinate3 *pcPointsCoord=nullptr;
+    SoPointSet *pcPoints=nullptr;
 
     if (nodes.empty()) {
         pcPointsCoord = new SoCoordinate3();

src/Mod/Points/Gui/ViewProvider.h

@@ -84,7 +84,7 @@ public:
     /// set the viewing mode
     virtual void setDisplayMode(const char* ModeName);
     /// returns a list of all possible modes
-    virtual std::vector<std::string> getDisplayModes(void) const;
+    virtual std::vector<std::string> getDisplayModes() const;
     virtual QIcon getIcon() const;
 
     /// Sets the edit mnode