GEOM is in GUI standalone mode

src/GEOMGUI/CMakeLists.txt

@@ -36,6 +36,7 @@ INCLUDE_DIRECTORIES(
   ${PROJECT_SOURCE_DIR}/src/GEOMClient
   ${PROJECT_SOURCE_DIR}/src/GEOMImpl
   ${PROJECT_SOURCE_DIR}/src/GEOMUtils
+  ${PROJECT_SOURCE_DIR}/src/GEOM_I
   ${CMAKE_CURRENT_SOURCE_DIR}
   )
 
@@ -55,6 +56,7 @@ SET(_link_LIBRARIES
   Material
   GEOMImpl
   GEOMUtils
+  GEOMEngine
   ${KERNEL_SALOMELocalTrace}
   ${KERNEL_SalomeDS}
   ${KERNEL_SalomeDSClient}

src/GEOMGUI/GeometryGUI.cxx

@@ -41,6 +41,7 @@
 #include "GEOMUtils_XmlHandler.hxx"
 #include "GEOMGUI_AnnotationMgr.h"
 #include "GEOMGUI_TextTreeSelector.h"
+#include "GEOM_Component_Generator.hxx"
 
 #include "GEOM_Actor.h"
 
@@ -216,14 +217,20 @@ void GeometryGUI::Modified (bool theIsUpdateActions)
 // function : GeometryGUI::GeometryGUI()
 // purpose  : Constructor
 //=======================================================================
-GeometryGUI::GeometryGUI() :
-  SalomeApp_Module( "GEOM" ),
-  myTopLevelIOList()
+GeometryGUI::GeometryGUI() : SalomeApp_Module( "GEOM" )
 {
   if ( CORBA::is_nil( myComponentGeom ) )
   {
-    Engines::EngineComponent_var comp =
-      SalomeApp_Application::lcc()->FindOrLoad_Component( "FactoryServer", "GEOM" );
+    SALOME_NamingService_Abstract *ns = SalomeApp_Application::namingService();
+    Engines::EngineComponent_var comp;
+    if( dynamic_cast<SALOME_NamingService *>(ns) )
+    {
+      comp = SalomeApp_Application::lcc()->FindOrLoad_Component( "FactoryServer", "GEOM" );
+    }
+    else
+    {
+      comp = RetrieveGEOMInstance();
+    }
     myComponentGeom = GEOM::GEOM_Gen::_narrow( comp );
   }
 

src/GEOM_I/CMakeLists.txt

@@ -79,6 +79,7 @@ SET(GEOMEngine_HEADERS
   GEOM_Gen_No_Session_i.hh
   GEOM_GEOM_I.hxx
   GEOM_wrap.hxx
+  GEOM_Component_Generator.hxx
   )
 # --- sources ---
 
@@ -104,6 +105,7 @@ SET(GEOMEngine_SOURCES
   GEOM_Gen_Session_i.cc
   GEOM_Gen_No_Session_i.cc
   GEOM_DumpPython.cc
+  GEOM_Component_Generator.cxx
   )
 
 # --- rules ---

src/GEOM_I/GEOM_Component_Generator.cxx

@@ -0,0 +1,55 @@
+// Copyright (C) 2021  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#include "GEOM_Component_Generator.hxx"
+
+#include "GEOM_Gen_No_Session_i.hh"
+#include "SALOME_Container_i.hxx"
+#include "SALOME_KernelServices.hxx"
+
+#include <cstring>
+
+static Engines::EngineComponent_var _unique_compo;
+
+Engines::EngineComponent_var RetrieveGEOMInstance()
+{
+  if (CORBA::is_nil(_unique_compo))
+  {
+    CORBA::ORB_var orb;
+    {
+      int argc(0);
+      orb = CORBA::ORB_init(argc, nullptr);
+    }
+    CORBA::Object_var obj = orb->resolve_initial_references("RootPOA");
+    PortableServer::POA_var poa = PortableServer::POA::_narrow(obj);
+    PortableServer::POAManager_var pman = poa->the_POAManager();
+    CORBA::PolicyList policies;
+    policies.length(0);
+    Engines_Container_i *cont(KERNEL::getContainerSA());
+    PortableServer::ObjectId *conId(cont->getCORBAId());
+    //
+    pman->activate();
+    //
+    GEOM_Gen_No_Session_i *servant = new GEOM_Gen_No_Session_i(orb, poa, conId, "GEOM_inst_2", "GEOM");
+    PortableServer::ObjectId *zeId = servant->getId();
+    CORBA::Object_var zeRef = poa->id_to_reference(*zeId);
+    _unique_compo = Engines::EngineComponent::_narrow(zeRef);
+  }
+  return _unique_compo;
+}

src/GEOM_I/GEOM_Component_Generator.hxx

@@ -0,0 +1,28 @@
+// Copyright (C) 2021  CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#pragma once
+
+#include "GEOM_GEOM_I.hxx"
+
+#include "SALOMEconfig.h"
+
+#include CORBA_SERVER_HEADER(GEOM_Gen)
+
+GEOM_I_EXPORT Engines::EngineComponent_var RetrieveGEOMInstance();

src/GEOM_SWIG/GeomHelper.cxx

@@ -19,33 +19,16 @@
 
 #include "GeomHelper.h"
 
-#include "GEOM_Gen_No_Session_i.hh"
-#include "SALOME_Container_i.hxx"
-#include "SALOME_KernelServices.hxx"
-
-#include <cstring>
+#include "GEOM_Component_Generator.hxx"
 
 std::string BuildGEOMInstance()
 {
-    CORBA::ORB_var orb;
-    { int argc(0); orb = CORBA::ORB_init(argc,nullptr); }
-    CORBA::Object_var obj = orb->resolve_initial_references("RootPOA");
-    PortableServer::POA_var poa = PortableServer::POA::_narrow(obj);
-    PortableServer::POAManager_var pman = poa->the_POAManager();
-    CORBA::PolicyList policies;
-    policies.length(0);
-    Engines_Container_i *cont( KERNEL::getContainerSA() );
-    PortableServer::ObjectId * conId ( cont->getCORBAId() );
-    //
-    pman->activate();
-    //
-    GEOM_Gen_No_Session_i *servant = new GEOM_Gen_No_Session_i(orb,poa,conId,"GEOM_inst_2","GEOM");
-    PortableServer::ObjectId *zeId = servant->getId();
-    CORBA::Object_var zeRef = poa->id_to_reference(*zeId);
-    char *interfaceName = servant->interfaceName();
-    std::string interfaceNameCpp(interfaceName);
-    CORBA::string_free(interfaceName);
-    KERNEL::RegisterCompo(interfaceNameCpp,zeRef);
-    CORBA::String_var ior = orb->object_to_string(zeRef);
-    return std::string(ior.in());
+  CORBA::ORB_var orb;
+  {
+    int argc(0);
+    orb = CORBA::ORB_init(argc, nullptr);
+  }
+  Engines::EngineComponent_var zeRef = RetrieveGEOMInstance();
+  CORBA::String_var ior = orb->object_to_string(zeRef);
+  return std::string(ior.in());
 }

src/GEOM_SWIG/GeomHelper.h

@@ -19,4 +19,4 @@
 
 #include <string>
 
-std::string BuildGEOMInstance();
+std::string BuildGEOMInstance();