+ add methods to get/set scene graph, add parameter to set window title of viewer

src/Gui/ApplicationPy.cpp

@@ -1116,22 +1116,26 @@ PyObject* Application::sShowPreferences(PyObject * /*self*/, PyObject *args,PyOb
 
 PyObject* Application::sCreateViewer(PyObject * /*self*/, PyObject *args,PyObject * /*kwd*/)
 {
-
     int num_of_views = 1;
+    char* title = nullptr;
     // if one argument (int) is given
-    if (PyArg_ParseTuple(args, "|i", &num_of_views))
+    if (PyArg_ParseTuple(args, "|is", &num_of_views, &title))
     {
         if (num_of_views < 0)
             return NULL;
         else if (num_of_views==1)
         {
             View3DInventor* viewer = new View3DInventor(0, 0);
+            if (title)
+                viewer->setWindowTitle(QString::fromUtf8(title));
             Gui::getMainWindow()->addWindow(viewer);
             return viewer->getPyObject();
         }
         else
         {
             SplitView3DInventor* viewer = new SplitView3DInventor(num_of_views, 0, 0);
+            if (title)
+                viewer->setWindowTitle(QString::fromUtf8(title));
             Gui::getMainWindow()->addWindow(viewer);
             return viewer->getPyObject();
         }

src/Gui/View3DViewerPy.cpp

@@ -57,7 +57,9 @@ void View3DInventorViewerPy::init_type()
         "the viewer. It can be used to change the event processing. This must however be\n"
         "done very carefully to not change the user interaction in an unpredictable manner.\n"
     );
-    
+    add_varargs_method("getSceneGraph", &View3DInventorViewerPy::getSceneGraph, "getSceneGraph() -> SoNode");
+    add_varargs_method("setSceneGraph", &View3DInventorViewerPy::setSceneGraph, "setSceneGraph(SoNode)");
+
     add_varargs_method("seekToPoint",&View3DInventorViewerPy::seekToPoint,"seekToPoint(tuple) -> None\n"
      "Initiate a seek action towards the 3D intersection of the scene and the\n"
      "ray from the screen coordinate's point and in the same direction as the\n"
@@ -146,7 +148,6 @@ int View3DInventorViewerPy::setattr(const char * attr, const Py::Object & value)
 
 Py::Object View3DInventorViewerPy::getSoRenderManager(const Py::Tuple& args)
 {
-
     if (!PyArg_ParseTuple(args.ptr(), ""))
         throw Py::Exception();
 
@@ -161,6 +162,41 @@ Py::Object View3DInventorViewerPy::getSoRenderManager(const Py::Tuple& args)
     }
 }
 
+Py::Object View3DInventorViewerPy::getSceneGraph(const Py::Tuple& args)
+{
+    if (!PyArg_ParseTuple(args.ptr(), ""))
+        throw Py::Exception();
+
+    try {
+        SoNode* scene = _viewer->getSceneGraph();
+        PyObject* proxy = 0;
+        proxy = Base::Interpreter().createSWIGPointerObj("pivy.coin", "SoSeparator *", (void*)scene, 1);
+        scene->ref();
+        return Py::Object(proxy, true);
+    }
+    catch (const Base::Exception& e) {
+        throw Py::Exception(e.what());
+    }
+}
+
+Py::Object View3DInventorViewerPy::setSceneGraph(const Py::Tuple& args)
+{
+    PyObject* proxy;
+    if (!PyArg_ParseTuple(args.ptr(), "O", &proxy))
+        throw Py::Exception();
+
+    void* ptr = 0;
+    try {
+        Base::Interpreter().convertSWIGPointerObj("pivy.coin", "SoNode *", proxy, &ptr, 0);
+        SoNode* node = static_cast<SoNode*>(ptr);
+        _viewer->setSceneGraph(node);
+        return Py::None();
+    }
+    catch (const Base::Exception& e) {
+        throw Py::Exception(e.what());
+    }
+}
+
 Py::Object View3DInventorViewerPy::getSoEventManager(const Py::Tuple& args)
 {
     if (!PyArg_ParseTuple(args.ptr(), ""))
@@ -177,7 +213,6 @@ Py::Object View3DInventorViewerPy::getSoEventManager(const Py::Tuple& args)
     }
 }
 
-
 Py::Object View3DInventorViewerPy::seekToPoint(const Py::Tuple& args)
 {
     PyObject* object;

src/Gui/View3DViewerPy.h

@@ -55,6 +55,8 @@ public:
     //exposed methods
     Py::Object getSoEventManager(const Py::Tuple&);
     Py::Object getSoRenderManager(const Py::Tuple&);
+    Py::Object getSceneGraph(const Py::Tuple&);
+    Py::Object setSceneGraph(const Py::Tuple&);
 
     Py::Object seekToPoint(const Py::Tuple&);
     Py::Object setFocalDistance(const Py::Tuple& args);