src/GEOMGUI/GeometryGUI_Swig.cxx

   1 //  GEOM GEOMGUI : GUI for Geometry component
   2 //
   3 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License.
  10 //
  11 //  This library is distributed in the hope that it will be useful,
  12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22 //
  23 //
  24 //  File   : GeometryGUI_Swig.cxx
  25 //  Author : Nicolas REJNERI, Paul RASCLE
  26 //  Module : GEOM
  27 //  $Header$
  28
  29 #include "GeometryGUI_Swig.hxx"
  30 #include "SALOMEGUI_Swig.hxx"
  31
  32 #include "GeometryGUI.h"
  33
  34 #include "SUIT_Session.h"
  35 #include "SalomeApp_Application.h"
  36 #include "SalomeApp_Study.h"
  37 #include "SalomeApp_ImportOperation.h"
  38
  39 #include "OB_Browser.h"
  40
  41 #include "OCCViewer_ViewWindow.h"
  42 #include "OCCViewer_ViewManager.h"
  43 #include "SOCC_ViewModel.h"
  44
  45 #include "SVTK_ViewModel.h"
  46 #include "SVTK_ViewWindow.h"
  47 #include "SVTK_View.h"
  48 #include "SVTK_Renderer.h"
  49
  50 #include "GEOM_Actor.h"
  51 #include "GEOM_Client.hxx"
  52 #include "GEOM_AISShape.hxx"
  53 #include "GEOM_AssemblyBuilder.h"
  54 #include "GEOM_InteractiveObject.hxx"
  55 #include "GEOM_Displayer.h"
  56
  57 #include "SALOME_Event.hxx"
  58
  59 #include "utilities.h"
  60
  61 #include "SALOMEDSClient.hxx"
  62
  63 // OCCT Includes
  64 #include <TopAbs.hxx>
  65 #include <TopoDS_Shape.hxx>
  66 #include <AIS_ListOfInteractive.hxx>
  67 #include <AIS_ListIteratorOfListOfInteractive.hxx>
  68 #include <AIS_Drawer.hxx>
  69
  70 // IDL Headers
  71 #include <SALOMEconfig.h>
  72 #include CORBA_SERVER_HEADER(GEOM_Gen)
  73
  74 #include <vtkRenderer.h>
  75
  76 using namespace std;
  77
  78
  79 static GEOM_Client ShapeReader;
  80
  81 inline OCCViewer_Viewer* GetOCCViewer(SUIT_Application* theApp){
  82   SUIT_ViewWindow* window = theApp->desktop()->activeWindow();
  83   if(window && window->getViewManager()->getType() == OCCViewer_Viewer::Type()){
  84     OCCViewer_ViewWindow* vw = dynamic_cast<OCCViewer_ViewWindow*>( window );
  85     if ( vw ) {
  86       OCCViewer_ViewManager* vm = dynamic_cast<OCCViewer_ViewManager*>( vw->getViewManager() );
  87       if ( vm )
  88         return vm->getOCCViewer();
  89     }
  90   }
  91
  92   return 0;
  93 }
  94
  95 inline SVTK_ViewWindow* GetSVTKViewWindow(SUIT_Application* theApp){
  96   SUIT_ViewWindow* window = theApp->desktop()->activeWindow();
  97   if(window && window->getViewManager()->getType() == SVTK_Viewer::Type())
  98     return dynamic_cast<SVTK_ViewWindow*>( window );
  99
 100   return 0;
 101 }
 102
 103 GEOM_Swig::GEOM_Swig()
 104 {
 105   // MESSAGE("Constructeur");
 106 }
 107
 108 GEOM_Swig::~GEOM_Swig()
 109 {
 110   // MESSAGE("Destructeur");
 111 }
 112
 113 void GEOM_Swig::createAndDisplayGO (const char* Entry, bool isUpdated)
 114 {
 115   class TEvent: public SALOME_Event
 116   {
 117     std::string myEntry;
 118     bool        myUpdateViewer;
 119   public:
 120     TEvent(const char* theEntry, bool toUpdateViewer):
 121       myEntry(theEntry),
 122       myUpdateViewer(toUpdateViewer)
 123     {}
 124     virtual void Execute()
 125     {
 126       SUIT_Application* app = SUIT_Session::session()->activeApplication();
 127       if (!app) return;
 128
 129       SalomeApp_Study* ActiveStudy = dynamic_cast<SalomeApp_Study*>(app->activeStudy());
 130       if (!ActiveStudy) return;
 131
 132       _PTR(Study) aStudy(ActiveStudy->studyDS());
 133       _PTR(StudyBuilder) aStudyBuilder = aStudy->NewBuilder();
 134
 135       GEOM::GEOM_Gen_var Geom = GeometryGUI::GetGeomGen();
 136       if (CORBA::is_nil(Geom)) {
 137         GeometryGUI::InitGeomGen();
 138         Geom = GeometryGUI::GetGeomGen();
 139       }
 140       if (CORBA::is_nil(Geom))
 141         return;
 142
 143       string aFatherIOR;
 144       _PTR(SComponent) father = aStudy->FindComponent("GEOM");
 145       if (!father)
 146         return;
 147       if (!father->ComponentIOR(aFatherIOR)) {
 148         aStudyBuilder->LoadWith(father, SalomeApp_Application::orb()->object_to_string(Geom));
 149         father->ComponentIOR(aFatherIOR);
 150       }
 151
 152       _PTR(SObject) obj = aStudy->FindObjectID(myEntry);
 153       if (!obj)
 154         return;
 155
 156       // Create new actor
 157       _PTR(GenericAttribute) anAttr;
 158       if (!obj->FindAttribute(anAttr, "AttributeIOR"))
 159         return;
 160       _PTR(AttributeIOR) anIOR(anAttr);
 161       string anIORValue = anIOR->Value();
 162
 163       GEOM::GEOM_Object_var aShape = Geom->GetIORFromString(anIORValue.c_str());
 164       TopoDS_Shape Shape = ShapeReader.GetShape(Geom,aShape);
 165       if (!Shape.IsNull()) {
 166         if (obj->FindAttribute(anAttr, "AttributeName")) {
 167           _PTR(AttributeName) aName (anAttr);
 168           string aNameValue = aName->Value();
 169           // open transaction
 170           /*SUIT_Operation* op = new SalomeApp_ImportOperation (app);
 171           op->start();
 172
 173           _PTR(SObject) newObj1 = aStudyBuilder->NewObject(father);
 174           aStudyBuilder->Addreference(newObj1, obj);
 175           // commit transaction
 176           op->commit();*/
 177           Handle(GEOM_InteractiveObject) anIO =
 178             new GEOM_InteractiveObject (const_cast<char*>(anIORValue.c_str()),
 179                                         const_cast<char*>(aFatherIOR.c_str()),
 180                                         "GEOM",
 181                                         const_cast<char*>( obj->GetID().c_str()));
 182
 183           GEOM_Displayer(ActiveStudy).Display(anIO, myUpdateViewer);
 184           /*if (SVTK_ViewWindow* aViewWindow = GetSVTKViewWindow(app)) {
 185             SVTK_View* aView = aViewWindow->getView();
 186             int aMode = aView->GetDisplayMode();
 187
 188             vtkActorCollection* theActors =
 189               GEOM_AssemblyBuilder::BuildActors(Shape,0,aMode,true);
 190             theActors->InitTraversal();
 191             while (vtkActor* anActor = theActors->GetNextActor()) {
 192               GEOM_Actor* GActor = GEOM_Actor::SafeDownCast(anActor);
 193               GActor->setName(const_cast<char*>(aNameValue.c_str()));
 194               GActor->setIO(anIO);
 195               aView->Display(GActor);
 196             }
 197             aView->Repaint();
 198           } else if (OCCViewer_Viewer* occViewer = GetOCCViewer(app)) {
 199             Handle(AIS_InteractiveContext) ic = occViewer->getAISContext();
 200             Handle(GEOM_AISShape) aSh =
 201               new GEOM_AISShape (Shape,const_cast<char*>(aNameValue.c_str()));
 202             aSh->setName(const_cast<char*>(aNameValue.c_str()));
 203             aSh->setIO(anIO);
 204             ic->Display(aSh);
 205             ic->AddOrRemoveCurrentObject(aSh,true);
 206             }*/
 207           // update object browser
 208           SalomeApp_Application* app = NULL; //dynamic_cast<SalomeApp_Application*>(app);
 209           if (app) {
 210             CAM_Module* module = app->module("Geometry");
 211             SalomeApp_Module* appMod = dynamic_cast<SalomeApp_Module*>(module);
 212             if (appMod)
 213               appMod->updateObjBrowser(true);
 214           }
 215         }
 216       }
 217     }
 218   };
 219
 220   // MESSAGE("createAndDisplayGO");
 221   ProcessVoidEvent(new TEvent (Entry, isUpdated));
 222
 223   class TEventUpdateBrowser: public SALOME_Event
 224     {
 225       public:
 226         TEventUpdateBrowser() {}
 227         virtual void Execute() {
 228           SalomeApp_Application* app =
 229             dynamic_cast<SalomeApp_Application*>(SUIT_Session::session()->activeApplication());
 230           if (app) {
 231             CAM_Module* module = app->module("Geometry");
 232             SalomeApp_Module* appMod = dynamic_cast<SalomeApp_Module*>(module);
 233             if (appMod) appMod->updateObjBrowser(true);
 234           }
 235         }
 236     };
 237
 238   if (isUpdated)
 239     ProcessVoidEvent(new TEventUpdateBrowser ());
 240 }
 241
 242 void GEOM_Swig::createAndDisplayFitAllGO (const char* Entry)
 243 {
 244   class TEventFitAll: public SALOME_Event
 245   {
 246     public:
 247       TEventFitAll() {}
 248       virtual void Execute() {
 249         SUIT_Application* app = SUIT_Session::session()->activeApplication();
 250         if (!app) return;
 251
 252         if (SVTK_ViewWindow* aViewWindow = GetSVTKViewWindow(app))
 253           {
 254             SVTK_View* aView = aViewWindow->getView();
 255             aView->GetRenderer()->OnFitAll();
 256           }
 257         else if (OCCViewer_Viewer* occViewer = GetOCCViewer(app))
 258           {
 259             Handle(V3d_Viewer) aViewer3d = occViewer->getViewer3d();
 260             aViewer3d->InitActiveViews();
 261
 262             if (aViewer3d->MoreActiveViews())
 263               aViewer3d->ActiveView()->FitAll();
 264           }
 265       }
 266   };
 267
 268   createAndDisplayGO(Entry);
 269   ProcessVoidEvent(new TEventFitAll());
 270 }
 271
 272 int GEOM_Swig::getIndexTopology(const char* SubIOR, const char* IOR)
 273 {
 274   GEOM::GEOM_Gen_var aGeomGen = GeometryGUI::GetGeomGen();
 275   if (CORBA::is_nil(aGeomGen))
 276     return -1;
 277
 278   GEOM::GEOM_Object_var aMainShape = aGeomGen->GetIORFromString(IOR);
 279   GEOM::GEOM_Object_var aSubShape  = aGeomGen->GetIORFromString(SubIOR);
 280   if (CORBA::is_nil(aMainShape) || CORBA::is_nil(aSubShape))
 281     return -1;
 282
 283   GEOM::GEOM_IShapesOperations_var anIShapesOperations =
 284     aGeomGen->GetIShapesOperations(aMainShape->GetStudyID());
 285   if (CORBA::is_nil(anIShapesOperations))
 286     return -1;
 287
 288   return anIShapesOperations->GetTopologyIndex(aMainShape, aSubShape);
 289 }
 290
 291 const char* GEOM_Swig::getShapeTypeString(const char* IOR)
 292 {
 293   TCollection_AsciiString aTypeName ("Shape of unknown type");
 294
 295   GEOM::GEOM_Gen_var aGeomGen = GeometryGUI::GetGeomGen();
 296   if (!CORBA::is_nil(aGeomGen))
 297   {
 298     GEOM::GEOM_Object_var aShape = aGeomGen->GetIORFromString(IOR);
 299     if (!CORBA::is_nil(aShape))
 300     {
 301       GEOM::GEOM_IShapesOperations_var anIShapesOperations =
 302         aGeomGen->GetIShapesOperations(aShape->GetStudyID());
 303       if (!CORBA::is_nil(anIShapesOperations))
 304       {
 305         aTypeName = anIShapesOperations->GetShapeTypeString(aShape);
 306       }
 307     }
 308   }
 309
 310   return CORBA::string_dup(aTypeName.ToCString());
 311 }
 312
 313
 314 const char* GEOM_Swig::getShapeTypeIcon(const char* IOR)
 315 {
 316   GEOM::GEOM_Gen_var Geom = GeometryGUI::GetGeomGen();
 317   if ( CORBA::is_nil( Geom ) )
 318     return "None";
 319
 320   GEOM::GEOM_Object_var aShape = Geom->GetIORFromString(IOR);
 321   TopoDS_Shape shape = ShapeReader.GetShape(Geom, aShape);
 322
 323   if( shape.IsNull() ) {
 324     return "None" ;
 325   }
 326
 327   switch (shape.ShapeType() )
 328     {
 329     case TopAbs_COMPOUND:
 330       { return "ICON_OBJBROWSER_COMPOUND" ;}
 331     case  TopAbs_COMPSOLID:
 332       { return "ICON_OBJBROWSER_COMPSOLID" ;}
 333     case TopAbs_SOLID:
 334       { return "ICON_OBJBROWSER_SOLID" ;}
 335     case TopAbs_SHELL:
 336       { return "ICON_OBJBROWSER_SHELL" ;}
 337     case TopAbs_FACE:
 338       { return "ICON_OBJBROWSER_FACE" ;}
 339     case TopAbs_WIRE:
 340       { return "ICON_OBJBROWSER_WIRE" ;}
 341     case TopAbs_EDGE:
 342       { return "ICON_OBJBROWSER_EDGE" ;}
 343     case TopAbs_VERTEX:
 344       { return "ICON_OBJBROWSER_VERTEX" ;}
 345     }
 346
 347   return "None";
 348 }
 349
 350 void GEOM_Swig::setDisplayMode(const char* theEntry, int theMode)
 351 {
 352   class TEvent: public SALOME_Event {
 353     std::string myEntry;
 354     int myMode;
 355   public:
 356     TEvent(const char* theEntryArg, int theModeArg):
 357       myEntry(theEntryArg), myMode(theModeArg)
 358     {}
 359     virtual void Execute() {
 360       SUIT_Application* anApp = SUIT_Session::session()->activeApplication();
 361       if (!anApp) return;
 362
 363       Handle(SALOME_InteractiveObject) anIO =
 364         new SALOME_InteractiveObject(myEntry.c_str(), "GEOM", "");
 365
 366       if (SVTK_ViewWindow* aViewWindow = GetSVTKViewWindow(anApp)) {
 367         SVTK_View* aView = aViewWindow->getView();
 368         aView->SetDisplayMode(anIO, myMode);
 369         aView->Repaint();
 370       }
 371       else if (OCCViewer_Viewer* occViewer = GetOCCViewer(anApp)) {
 372         SOCC_Viewer* soccViewer = dynamic_cast<SOCC_Viewer*>(occViewer);
 373         if (soccViewer)
 374           soccViewer->switchRepresentation(anIO, myMode);
 375       }
 376     }
 377   };
 378
 379   ProcessVoidEvent(new TEvent (theEntry, theMode));
 380 }
 381
 382 void GEOM_Swig::setColor(const char* theEntry, int red, int green, int blue)
 383 {
 384   class TEvent: public SALOME_Event {
 385     std::string myEntry;
 386     int myRed;
 387     int myGreen;
 388     int myBlue;
 389   public:
 390     TEvent(const char* theEntryArg, int theR, int theG, int theB):
 391       myEntry(theEntryArg), myRed(theR), myGreen(theG), myBlue(theB)
 392     {}
 393     virtual void Execute() {
 394       SUIT_Application* anApp = SUIT_Session::session()->activeApplication();
 395       if (!anApp) return;
 396
 397       Handle(SALOME_InteractiveObject) anIO =
 398         new SALOME_InteractiveObject(myEntry.c_str(), "GEOM", "");
 399
 400       if (SVTK_ViewWindow* aViewWindow = GetSVTKViewWindow(anApp)){
 401         SVTK_View* aView = aViewWindow->getView();
 402         QColor aColor (myRed, myGreen, myBlue);
 403         aView->SetColor(anIO, aColor);
 404         aView->Repaint();
 405       } else if (OCCViewer_Viewer* occViewer = GetOCCViewer(anApp)) {
 406         Handle(AIS_InteractiveContext) ic = occViewer->getAISContext();
 407         AIS_ListOfInteractive List;
 408         ic->DisplayedObjects(List);
 409         AIS_ListIteratorOfListOfInteractive ite (List);
 410         for (; ite.More(); ite.Next()) {
 411           Handle(SALOME_InteractiveObject) anObj =
 412             Handle(SALOME_InteractiveObject)::DownCast(ite.Value()->GetOwner());
 413           if (!anObj.IsNull() && anObj->hasEntry() && anObj->isSame(anIO)) {
 414             Quantity_Color CSFColor =
 415               Quantity_Color(myRed/255., myGreen/255., myBlue/255., Quantity_TOC_RGB);
 416             ite.Value()->SetColor(CSFColor);
 417             if (ite.Value()->IsKind(STANDARD_TYPE(GEOM_AISShape)))
 418               Handle(GEOM_AISShape)::DownCast(ite.Value())->SetShadingColor(CSFColor);
 419             ite.Value()->Redisplay(Standard_True);
 420             occViewer->update();
 421             break;
 422           }
 423         }
 424       }
 425     }
 426   };
 427   ProcessVoidEvent(new TEvent(theEntry, red, green, blue));
 428 }
 429
 430 void GEOM_Swig::setTransparency(const char* theEntry, float transp)
 431 {
 432   class TEvent: public SALOME_Event {
 433     std::string myEntry;
 434     float myParam;
 435   public:
 436     TEvent(const char* theEntryArg, float theParam):
 437       myEntry(theEntryArg), myParam(theParam)
 438     {}
 439     virtual void Execute() {
 440       SUIT_Application* anApp = SUIT_Session::session()->activeApplication();
 441       if (!anApp) return;
 442
 443       Handle(SALOME_InteractiveObject) anIO =
 444         new SALOME_InteractiveObject(myEntry.c_str(), "GEOM", "");
 445
 446       if (SVTK_ViewWindow* aViewWindow = GetSVTKViewWindow(anApp)) {
 447         SVTK_View* aView = aViewWindow->getView();
 448         aView->SetTransparency(anIO, myParam);
 449         aView->Repaint();
 450       } else if (OCCViewer_Viewer* occViewer = GetOCCViewer(anApp)) {
 451         SOCC_Viewer* soccViewer = dynamic_cast<SOCC_Viewer*>(occViewer);
 452         if (soccViewer)
 453           soccViewer->setTransparency(anIO, myParam);
 454       }
 455     }
 456   };
 457
 458   ProcessVoidEvent(new TEvent (theEntry, transp));
 459 }
 460
 461
 462 class TInitGeomGenEvent: public SALOME_Event {
 463 public:
 464   typedef bool TResult;
 465   TResult myResult;
 466   TInitGeomGenEvent() : myResult(false) {}
 467   virtual void Execute() {
 468     myResult = GeometryGUI::InitGeomGen();
 469   }
 470 };
 471 bool GEOM_Swig::initGeomGen()
 472 {
 473   return ProcessEvent(new TInitGeomGenEvent());
 474 }
 475
 476
 477
 478 void GEOM_Swig::eraseGO (const char* Entry, bool allWindows)
 479 {
 480   class TEvent: public SALOME_Event
 481   {
 482     std::string myEntry;
 483     bool myFromAllWindows;
 484   public:
 485     TEvent(const char* theEntry, bool fromAllWindows):
 486       myEntry(theEntry), myFromAllWindows(fromAllWindows)
 487     {}
 488     virtual void Execute()
 489     {
 490       SUIT_Application* app = SUIT_Session::session()->activeApplication();
 491       if (!app) return;
 492       SalomeApp_Study* ActiveStudy = dynamic_cast<SalomeApp_Study*>(app->activeStudy());
 493       if (!ActiveStudy) return;
 494
 495       Handle (SALOME_InteractiveObject) aIO = new SALOME_InteractiveObject(myEntry.c_str(), "GEOM", "");
 496
 497       GEOM_Displayer(ActiveStudy).Erase(aIO, true);
 498       /*      if (myFromAllWindows) {
 499         QPtrList<SUIT_ViewWindow> aWindows = app->desktop()->windows();
 500         SUIT_ViewWindow* aWin = 0;
 501         for (aWin = aWindows.first(); aWin; aWin = aWindows.next()) {
 502           EraseObject(aWin, aIO);
 503         }
 504       } else {
 505         SUIT_ViewWindow* aWin = app->desktop()->activeWindow();
 506         if (aWin)
 507           EraseObject(aWin, aIO);
 508           }*/
 509     }
 510
 511     /*  private:
 512     void EraseObject(SUIT_ViewWindow* theWin, Handle (SALOME_InteractiveObject) theIO)
 513     {
 514       if (theWin->getViewManager()->getType() == OCCViewer_Viewer::Type()){
 515         OCCViewer_ViewWindow* vw = dynamic_cast<OCCViewer_ViewWindow*>( theWin );
 516         if ( vw ) {
 517           OCCViewer_ViewManager* vm = dynamic_cast<OCCViewer_ViewManager*>( vw->getViewManager() );
 518           if ( vm ) {
 519             SOCC_Viewer* aViewer = dynamic_cast<SOCC_Viewer*>(vm->getOCCViewer());
 520             if (aViewer) {
 521               SALOME_Prs* aPrs = aViewer->CreatePrs(myEntry.c_str());
 522               if (aPrs) {
 523                 SALOME_OCCPrs* aOccPrs =  dynamic_cast<SALOME_OCCPrs*>(aPrs);
 524                 if (aOccPrs) {
 525                   aViewer->Erase(aOccPrs);
 526                   aViewer->Repaint();
 527                 }
 528               }
 529             }
 530           }
 531         }
 532       } else if (theWin->getViewManager()->getType() == SVTK_Viewer::Type()){
 533         SVTK_ViewWindow* aViewWindow = dynamic_cast<SVTK_ViewWindow*>( theWin );
 534         if (aViewWindow) {
 535           aViewWindow->Erase(theIO);
 536         }
 537       }
 538       }*/
 539
 540   };
 541   ProcessVoidEvent(new TEvent(Entry, allWindows));
 542 }
 543
 544
 545
 546 void GEOM_Swig::setDeflection(const char* theEntry, float theDeflect)
 547 {
 548   class TEvent: public SALOME_Event {
 549     std::string myEntry;
 550     float myParam;
 551   public:
 552     TEvent(const char* theEntryArg, float theParam):
 553       myEntry(theEntryArg), myParam(theParam)
 554     {}
 555     virtual void Execute() {
 556       SUIT_Application* anApp = SUIT_Session::session()->activeApplication();
 557       if (!anApp) return;
 558
 559       Handle(SALOME_InteractiveObject) anIO =
 560         new SALOME_InteractiveObject(myEntry.c_str(), "GEOM", "");
 561
 562       if (SVTK_ViewWindow* aViewWindow = GetSVTKViewWindow(anApp)) {
 563         vtkActorCollection* aActors = aViewWindow->getRenderer()->GetActors();
 564         aActors->InitTraversal();
 565         while (vtkActor* aAct = aActors->GetNextActor()) {
 566           if (GEOM_Actor* aGeomActor = dynamic_cast<GEOM_Actor*>(aAct)) {
 567             if (aGeomActor->hasIO()) {
 568               Handle(SALOME_InteractiveObject) aNextIO = aGeomActor->getIO();
 569               if (aNextIO->isSame(anIO)) {
 570                 aGeomActor->setDeflection(myParam);
 571                 aViewWindow->Repaint();
 572                 return;
 573               }
 574             }
 575           }
 576         }
 577         //      aView->SetTransparency(anIO, myParam);
 578         //aView->Repaint();
 579       } else if (OCCViewer_Viewer* occViewer = GetOCCViewer(anApp)) {
 580         Handle(AIS_InteractiveContext) aContext = occViewer->getAISContext();
 581         AIS_ListOfInteractive aAISList;
 582         aContext->DisplayedObjects(aAISList);
 583         AIS_ListIteratorOfListOfInteractive it(aAISList);
 584         for (; it.More(); it.Next()) {
 585           Handle(SALOME_InteractiveObject) aObj =
 586             Handle(SALOME_InteractiveObject)::DownCast(it.Value()->GetOwner());
 587           if ((!aObj.IsNull()) && aObj->hasEntry() && aObj->isSame(anIO)) {
 588             Handle(AIS_Shape) aShape = Handle(AIS_Shape)::DownCast(it.Value());
 589             if (!aShape.IsNull()) {
 590               Handle(AIS_Drawer) aDrawer = aShape->Attributes();
 591               if (aDrawer.IsNull())
 592                 aDrawer = new AIS_Drawer();
 593               aDrawer->SetDeviationCoefficient(myParam);
 594               aShape->SetAttributes(aDrawer);
 595               aContext->Redisplay(aShape, true, true);
 596               aContext->UpdateCurrentViewer();
 597               return;
 598             }
 599           }
 600         }
 601       }
 602     }
 603   };
 604
 605   ProcessVoidEvent(new TEvent (theEntry, theDeflect));
 606 }
 607