[TD]add Python QGraphicsObject to Page

src/Mod/TechDraw/Gui/AppTechDrawGuiPy.cpp

@@ -77,6 +77,9 @@ public:
         add_varargs_method("addQGIToView",&Module::addQGIToView,
             "addQGIToView(View, QGraphicsItem) -- insert graphics item into view's graphic."
         );
+        add_varargs_method("addQGObjToView", &Module::addQGObjToView,
+            "addQGObjToView(View, QGraphicsObject) -- insert graphics object into view's graphic. Use for QGraphicsItems that have QGraphicsObject as base class."
+        );
         initialize("This is a module for displaying drawings"); // register with Python
     }
     virtual ~Module() {}
@@ -362,7 +365,55 @@ private:
 
         return Py::None();
     }
- };
+
+
+//!use addQGObjToView for QGraphics items like QGraphicsSvgItem or QGraphicsTextItem that are
+//! derived from QGraphicsObject
+    Py::Object addQGObjToView(const Py::Tuple& args)
+    {
+        PyObject *viewPy = nullptr;
+        PyObject *qgiPy = nullptr;
+        if (!PyArg_ParseTuple(args.ptr(), "OO", &viewPy, &qgiPy)) {
+            throw Py::TypeError("expected (view, item)");
+        }
+
+        try {
+           App::DocumentObject* obj = nullptr;
+           Gui::ViewProvider* vp = nullptr;
+           QGIView* qgiv = nullptr;
+           if (PyObject_TypeCheck(viewPy, &(TechDraw::DrawViewPy::Type))) {
+               obj = static_cast<App::DocumentObjectPy*>(viewPy)->getDocumentObjectPtr();
+               vp = Gui::Application::Instance->getViewProvider(obj);
+               if (vp) {
+                   TechDrawGui::ViewProviderDrawingView* vpdv =
+                                dynamic_cast<TechDrawGui::ViewProviderDrawingView*>(vp);
+                   if (vpdv) {
+                       qgiv = vpdv->getQView();
+                       if (qgiv != nullptr) {
+                           Gui::PythonWrapper wrap;
+                           if (!wrap.loadCoreModule() ||
+                               !wrap.loadGuiModule() ||
+                               !wrap.loadWidgetsModule()) {
+                               PyErr_SetString(PyExc_RuntimeError, "Failed to load Python wrapper for Qt");
+                               return Py::None();
+                            }
+                            QGraphicsObject* item = wrap.toQGraphicsObject(qgiPy);
+                            if (item != nullptr) {
+                                qgiv->addArbitraryItem(item);
+                            }
+                        }
+                   }
+               }
+           }
+        }
+        catch (Base::Exception &e) {
+            e.setPyException();
+            throw Py::Exception();
+        }
+
+        return Py::None();
+    }
+};
 
 PyObject* initModule()
 {