src/SMESHGUI/SMESHGUI_VTKUtils.cxx

   1 //  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   2 //  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   3 //
   4 //  This library is free software; you can redistribute it and/or
   5 //  modify it under the terms of the GNU Lesser General Public
   6 //  License as published by the Free Software Foundation; either
   7 //  version 2.1 of the License.
   8 //
   9 //  This library is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 //  Lesser General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU Lesser General Public
  15 //  License along with this library; if not, write to the Free Software
  16 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  17 //
  18 //  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
  19
  20
  21 #include "SMESHGUI_VTKUtils.h"
  22 #include "SMESHGUI_Utils.h"
  23 #include "SMESHGUI_Filter.h"
  24
  25 #include <vtkRenderer.h>
  26 #include <vtkActorCollection.h>
  27
  28 #include <TColStd_IndexedMapOfInteger.hxx>
  29
  30 #include "QAD_Config.h"
  31 #include "QAD_Desktop.h"
  32 #include "QAD_Study.h"
  33 #include "QAD_Settings.h"
  34 #include "QAD_RightFrame.h"
  35
  36 #include "SALOME_Selection.h"
  37 #include "SALOME_ListIteratorOfListIO.hxx"
  38
  39 #include "VTKViewer_ViewFrame.h"
  40 #include "VTKViewer_RenderWindow.h"
  41 #include "VTKViewer_InteractorStyleSALOME.h"
  42 #include "VTKViewer_RenderWindowInteractor.h"
  43
  44 #include "utilities.h"
  45
  46 #include "SALOMEconfig.h"
  47 #include CORBA_CLIENT_HEADER(SMESH_Gen)
  48 #include CORBA_CLIENT_HEADER(SMESH_Mesh)
  49 #include CORBA_CLIENT_HEADER(SMESH_Group)
  50 #include CORBA_CLIENT_HEADER(SMESH_Hypothesis)
  51 #include CORBA_CLIENT_HEADER(SALOMEDS_Attributes)
  52
  53 #include "SMESH_Actor.h"
  54 #include "SMESH_ObjectDef.h"
  55
  56 using namespace std;
  57
  58 namespace SMESH{
  59
  60   typedef map<TKeyOfVisualObj,TVisualObjPtr> TVisualObjCont;
  61   static TVisualObjCont VISUAL_OBJ_CONT;
  62
  63   TVisualObjPtr GetVisualObj(int theStudyId, const char* theEntry){
  64     TVisualObjPtr aVisualObj;
  65     try{
  66       TVisualObjCont::key_type aKey(theStudyId,theEntry);
  67       TVisualObjCont::iterator anIter = VISUAL_OBJ_CONT.find(aKey);
  68       if(anIter != VISUAL_OBJ_CONT.end()){
  69         aVisualObj = anIter->second;
  70       }else{
  71         SALOMEDS::Study_var aStudy = QAD_Application::getDesktop()->getActiveStudy()->getStudyDocument();
  72         SALOMEDS::SObject_var aSObj = aStudy->FindObjectID(theEntry);
  73         if(!CORBA::is_nil(aSObj)){
  74           SALOMEDS::GenericAttribute_var anAttr;
  75           if(aSObj->FindAttribute(anAttr,"AttributeIOR")){
  76             SALOMEDS::AttributeIOR_var anIOR = SALOMEDS::AttributeIOR::_narrow(anAttr);
  77             CORBA::String_var aVal = anIOR->Value();
  78             CORBA::Object_var anObj = aStudy->ConvertIORToObject(aVal.in());
  79             if(!CORBA::is_nil(anObj)){
  80               //Try narrow to SMESH_Mesh interafce
  81               SMESH::SMESH_Mesh_var aMesh = SMESH::SMESH_Mesh::_narrow(anObj);
  82               if(!aMesh->_is_nil()){
  83                 aVisualObj.reset(new SMESH_MeshObj(aMesh));
  84                 aVisualObj->Update();
  85                 TVisualObjCont::value_type aValue(aKey,aVisualObj);
  86                 VISUAL_OBJ_CONT.insert(aValue);
  87                 return aVisualObj;
  88               }
  89               //Try narrow to SMESH_Group interafce
  90               SMESH::SMESH_GroupBase_var aGroup = SMESH::SMESH_GroupBase::_narrow(anObj);
  91               if(!aGroup->_is_nil()){
  92                 SALOMEDS::SObject_var aFatherSObj = aSObj->GetFather();
  93                 if(aFatherSObj->_is_nil()) return aVisualObj;
  94                 aFatherSObj = aFatherSObj->GetFather();
  95                 if(aFatherSObj->_is_nil()) return aVisualObj;
  96                 CORBA::String_var anEntry = aFatherSObj->GetID();
  97                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
  98                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
  99                   aVisualObj.reset(new SMESH_GroupObj(aGroup,aMeshObj));
 100                   aVisualObj->Update();
 101                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 102                   VISUAL_OBJ_CONT.insert(aValue);
 103                   return aVisualObj;
 104                 }
 105               }
 106               //Try narrow to SMESH_subMesh interafce
 107               SMESH::SMESH_subMesh_var aSubMesh = SMESH::SMESH_subMesh::_narrow(anObj);
 108               if(!aSubMesh->_is_nil()){
 109                 SALOMEDS::SObject_var aFatherSObj = aSObj->GetFather();
 110                 if(aFatherSObj->_is_nil()) return aVisualObj;
 111                 aFatherSObj = aFatherSObj->GetFather();
 112                 if(aFatherSObj->_is_nil()) return aVisualObj;
 113                 CORBA::String_var anEntry = aFatherSObj->GetID();
 114                 TVisualObjPtr aVisObj = GetVisualObj(theStudyId,anEntry.in());
 115                 if(SMESH_MeshObj* aMeshObj = dynamic_cast<SMESH_MeshObj*>(aVisObj.get())){
 116                   aVisualObj.reset(new SMESH_subMeshObj(aSubMesh,aMeshObj));
 117                   aVisualObj->Update();
 118                   TVisualObjCont::value_type aValue(aKey,aVisualObj);
 119                   VISUAL_OBJ_CONT.insert(aValue);
 120                   return aVisualObj;
 121                 }
 122               }
 123             }
 124           }
 125         }
 126       }
 127     }catch(...){
 128       INFOS("GetMeshObj - There is no SMESH_Mesh object for the SALOMEDS::Strudy and Entry!!!");
 129     }
 130     return aVisualObj;
 131   }
 132
 133
 134   VTKViewer_ViewFrame* FindVtkViewFrame(QAD_Study* theStudy,
 135                                         QAD_StudyFrame* theStudyFrame)
 136   {
 137     QList<QAD_Study>& aStudies =
 138       QAD_Application::getDesktop()->getActiveApp()->getStudies();
 139     if(aStudies.containsRef(theStudy)){
 140       const QList<QAD_StudyFrame>& aStudyFrames = theStudy->getStudyFrames();
 141       if(aStudyFrames.containsRef(theStudyFrame)){
 142         return GetVtkViewFrame(theStudyFrame);
 143       }
 144     }
 145     return NULL;
 146   }
 147
 148
 149   VTKViewer_ViewFrame* GetVtkViewFrame(QAD_StudyFrame* theStudyFrame){
 150     QAD_ViewFrame* aViewFrame = theStudyFrame->getRightFrame()->getViewFrame();
 151     return dynamic_cast<VTKViewer_ViewFrame*>(aViewFrame);
 152   }
 153
 154
 155   VTKViewer_ViewFrame* GetCurrentVtkView(){
 156     return GetVtkViewFrame(GetActiveStudy()->getActiveStudyFrame());
 157   }
 158
 159
 160   void RepaintViewFrame(VTKViewer_ViewFrame* theFrame)
 161   {
 162     theFrame->Repaint();
 163   }
 164
 165
 166   void RenderViewFrame(VTKViewer_ViewFrame* theFrame)
 167   {
 168     theFrame->getRW()->getRenderWindow()->Render();
 169     theFrame->Repaint();
 170   }
 171
 172
 173   SMESH_Actor* FindActorByEntry(QAD_StudyFrame *theStudyFrame,
 174                                 const char* theEntry)
 175   {
 176     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(theStudyFrame)){
 177       vtkRenderer *aRenderer = aViewFrame->getRenderer();
 178       vtkActorCollection *aCollection = aRenderer->GetActors();
 179       aCollection->InitTraversal();
 180       while(vtkActor *anAct = aCollection->GetNextActor()){
 181         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 182           if(anActor->hasIO()){
 183             Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
 184             if(anIO->hasEntry() && strcmp(anIO->getEntry(),theEntry) == 0){
 185               return anActor;
 186             }
 187           }
 188         }
 189       }
 190     }
 191     return NULL;
 192   }
 193
 194
 195   SMESH_Actor* FindActorByEntry(const char* theEntry){
 196     return FindActorByEntry(GetActiveStudy()->getActiveStudyFrame(),theEntry);
 197   }
 198
 199
 200   SMESH_Actor* FindActorByObject(CORBA::Object_ptr theObject){
 201     if(!CORBA::is_nil(theObject)){
 202       SALOMEDS::Study_var aStudy = GetActiveStudyDocument();
 203       CORBA::String_var anIOR = aStudy->ConvertObjectToIOR(theObject);
 204       SALOMEDS::SObject_var aSObject = aStudy->FindObjectIOR(anIOR.in());
 205       if(!aSObject->_is_nil()){
 206         CORBA::String_var anEntry = aSObject->GetID();
 207         return FindActorByEntry(anEntry.in());
 208       }
 209     }
 210     return NULL;
 211   }
 212
 213
 214   SMESH_Actor* CreateActor(SALOMEDS::Study_ptr theStudy,
 215                            const char* theEntry,
 216                            int theIsClear)
 217   {
 218     SMESH_Actor *anActor = NULL;
 219     CORBA::Long anId = theStudy->StudyId();
 220     if(TVisualObjPtr aVisualObj = GetVisualObj(anId,theEntry)){
 221       SALOMEDS::SObject_var aSObj = theStudy->FindObjectID(theEntry);
 222       if(!aSObj->_is_nil()){
 223         SALOMEDS::GenericAttribute_var anAttr;
 224         if(aSObj->FindAttribute(anAttr,"AttributeName")){
 225           SALOMEDS::AttributeName_var aName = SALOMEDS::AttributeName::_narrow(anAttr);
 226           CORBA::String_var aVal = aName->Value();
 227           string aNameVal = aVal.in();
 228           anActor = SMESH_Actor::New(aVisualObj,theEntry,aNameVal.c_str(),theIsClear);
 229         }
 230       }
 231     }
 232     return anActor;
 233   }
 234
 235
 236   void DisplayActor(QAD_StudyFrame *theStudyFrame, SMESH_Actor* theActor){
 237     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(theStudyFrame)){
 238       aViewFrame->AddActor(theActor);
 239       aViewFrame->Repaint();
 240     }
 241   }
 242
 243
 244   void RemoveActor(QAD_StudyFrame *theStudyFrame, SMESH_Actor* theActor){
 245     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(theStudyFrame)){
 246       aViewFrame->RemoveActor(theActor);
 247       aViewFrame->Repaint();
 248     }
 249   }
 250
 251
 252   void FitAll(){
 253     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(GetActiveStudy()->getActiveStudyFrame())){
 254       aViewFrame->onViewFitAll();
 255       aViewFrame->Repaint();
 256     }
 257   }
 258
 259   vtkRenderer* GetCurrentRenderer(){
 260     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(GetActiveStudy()->getActiveStudyFrame()))
 261       return aViewFrame->getRenderer();
 262     return NULL;
 263   }
 264
 265   void RepaintCurrentView(){
 266     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(GetActiveStudy()->getActiveStudyFrame())){
 267       aViewFrame->getRW()->getRenderWindow()->Render();
 268       //aViewFrame->Repaint();
 269     }
 270   }
 271
 272
 273   void UpdateView(QAD_StudyFrame *theStudyFrame, EDisplaing theAction, const char* theEntry)
 274   {
 275     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(theStudyFrame)){
 276       vtkRenderer *aRenderer = aViewFrame->getRenderer();
 277       vtkActorCollection *aCollection = aRenderer->GetActors();
 278       aCollection->InitTraversal();
 279       switch(theAction){
 280       case eDisplayAll: {
 281         while(vtkActor *anAct = aCollection->GetNextActor()){
 282           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 283             anActor->SetVisibility(true);
 284           }
 285         }
 286         break;
 287       }
 288       case eDisplayOnly:
 289       case eEraseAll: {
 290         while(vtkActor *anAct = aCollection->GetNextActor()){
 291           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 292             anActor->SetVisibility(false);
 293           }
 294         }
 295       }
 296       default: {
 297         if(SMESH_Actor *anActor = FindActorByEntry(theStudyFrame,theEntry)){
 298           switch(theAction) {
 299             case eDisplay:
 300             case eDisplayOnly:
 301               anActor->SetVisibility(true);
 302               break;
 303             case eErase:
 304               anActor->SetVisibility(false);
 305               break;
 306           }
 307         } else {
 308           switch(theAction){
 309           case eDisplay:
 310           case eDisplayOnly:{
 311             QAD_Study* aStudy = theStudyFrame->getStudy();
 312             SALOMEDS::Study_var aDocument = aStudy->getStudyDocument();
 313             if((anActor = CreateActor(aDocument,theEntry,true))) {
 314               DisplayActor(theStudyFrame,anActor);
 315               FitAll();
 316             }
 317             break;
 318           }
 319           }
 320         }
 321       }
 322       }
 323     }
 324   }
 325
 326
 327   void UpdateView(EDisplaing theAction, const char* theEntry){
 328     QAD_Study* aStudy = GetActiveStudy();
 329     QAD_StudyFrame *aStudyFrame = aStudy->getActiveStudyFrame();
 330     UpdateView(aStudyFrame,theAction,theEntry);
 331   }
 332
 333   void UpdateView(){
 334     if(VTKViewer_ViewFrame* aViewFrame = SMESH::GetCurrentVtkView()){
 335       SALOME_Selection *aSel = SALOME_Selection::Selection(GetActiveStudy()->getSelection());
 336       if(aSel->IObjectCount() == 0){
 337         vtkRenderer* aRenderer = aViewFrame->getRenderer();
 338         vtkActorCollection *aCollection = aRenderer->GetActors();
 339         aCollection->InitTraversal();
 340         while(vtkActor *anAct = aCollection->GetNextActor()){
 341           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 342             if(anActor->hasIO())
 343               Update(anActor->getIO(),anActor->GetVisibility());
 344           }
 345         }
 346       }else{
 347         SALOME_ListIteratorOfListIO anIter(aSel->StoredIObjects());
 348         for(; anIter.More(); anIter.Next()){
 349           Handle(SALOME_InteractiveObject) anIO = anIter.Value();
 350           Update(anIO,true);
 351         }
 352       }
 353       RepaintCurrentView();
 354     }
 355   }
 356
 357
 358   void Update(const Handle(SALOME_InteractiveObject)& theIO,
 359               bool theDisplay)
 360   {
 361     SALOMEDS::Study_var aStudy = GetActiveStudyDocument();
 362     CORBA::Long anId = aStudy->StudyId();
 363     TVisualObjPtr aVisualObj = SMESH::GetVisualObj(anId,theIO->getEntry());
 364     aVisualObj->Update();
 365     if ( theDisplay )
 366       UpdateView(SMESH::eDisplay,theIO->getEntry());
 367   }
 368
 369
 370   void UpdateSelectionProp() {
 371     QAD_Study* aStudy = GetActiveStudy();
 372     QList<QAD_StudyFrame> aFrameList = aStudy->getStudyFrames();
 373
 374     QString SCr, SCg, SCb;
 375     SCr = QAD_CONFIG->getSetting("SMESH:SettingsSelectColorRed");
 376     SCg = QAD_CONFIG->getSetting("SMESH:SettingsSelectColorGreen");
 377     SCb = QAD_CONFIG->getSetting("SMESH:SettingsSelectColorBlue");
 378     QColor aHiColor = Qt::white;
 379     if (!SCr.isEmpty() && !SCg.isEmpty() && !SCb.isEmpty())
 380       aHiColor = QColor(SCr.toInt(), SCg.toInt(), SCb.toInt());
 381
 382     SCr = QAD_CONFIG->getSetting("SMESH:SettingsItemSelectColorRed");
 383     SCg = QAD_CONFIG->getSetting("SMESH:SettingsItemSelectColorGreen");
 384     SCb = QAD_CONFIG->getSetting("SMESH:SettingsItemSelectColorBlue");
 385     QColor aSelColor = Qt::yellow;
 386     if (!SCr.isEmpty() && !SCg.isEmpty() && !SCb.isEmpty())
 387       aSelColor = QColor(SCr.toInt(), SCg.toInt(), SCb.toInt());
 388     QString SW = QAD_CONFIG->getSetting("SMESH:SettingsItemSelectWidth");
 389     if (SW.isEmpty()) SW = "5";
 390
 391     SCr = QAD_CONFIG->getSetting("SMESH:SettingsPreSelectColorRed");
 392     SCg = QAD_CONFIG->getSetting("SMESH:SettingsPreSelectColorGreen");
 393     SCb = QAD_CONFIG->getSetting("SMESH:SettingsPreSelectColorBlue");
 394     QColor aPreColor = Qt::cyan;
 395     if (!SCr.isEmpty() && !SCg.isEmpty() && !SCb.isEmpty())
 396       aPreColor = QColor(SCr.toInt(), SCg.toInt(), SCb.toInt());
 397     QString PW = QAD_CONFIG->getSetting("SMESH:SettingsPreSelectWidth");
 398     if (PW.isEmpty()) PW = "5";
 399
 400     QString SP1 = QAD_CONFIG->getSetting("SMESH:SettingsNodeSelectTol");
 401     if (SP1.isEmpty()) SP1 = "0.025";
 402     QString SP2 = QAD_CONFIG->getSetting("SMESH:SettingsElementsSelectTol");
 403     if (SP2.isEmpty()) SP2 = "0.001";
 404
 405     for (QAD_StudyFrame* aStudyFrame = aFrameList.first(); aStudyFrame; aStudyFrame = aFrameList.next()) {
 406       if (aStudyFrame->getTypeView() == VIEW_VTK) {
 407         VTKViewer_ViewFrame* aVtkViewFrame = GetVtkViewFrame(aStudyFrame);
 408         if (!aVtkViewFrame) continue;
 409         // update VTK viewer properties
 410         VTKViewer_RenderWindowInteractor* anInteractor = aVtkViewFrame->getRWInteractor();
 411         if (anInteractor) {
 412           // mesh element selection
 413           anInteractor->SetSelectionProp(aSelColor.red()/255., aSelColor.green()/255.,
 414                                          aSelColor.blue()/255., SW.toInt());
 415
 416           // tolerances
 417           anInteractor->SetSelectionTolerance(SP1.toDouble(), SP2.toDouble());
 418
 419           // pre-selection
 420           VTKViewer_InteractorStyleSALOME* aStyle = anInteractor->GetInteractorStyleSALOME();
 421           if (aStyle) {
 422             aStyle->setPreselectionProp(aPreColor.red()/255., aPreColor.green()/255.,
 423                                         aPreColor.blue()/255., PW.toInt());
 424           }
 425         }
 426         // update actors
 427         vtkRenderer* aRenderer = aVtkViewFrame->getRenderer();
 428         vtkActorCollection *aCollection = aRenderer->GetActors();
 429         aCollection->InitTraversal();
 430         while(vtkActor *anAct = aCollection->GetNextActor()){
 431           if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 432             anActor->SetHighlightColor(aHiColor.red()/255., aHiColor.green()/255.,
 433                                        aHiColor.blue()/255.);
 434             anActor->SetPreHighlightColor(aPreColor.red()/255., aPreColor.green()/255.,
 435                                           aPreColor.blue()/255.);
 436           }
 437         }
 438       }
 439     }
 440   }
 441
 442
 443   //----------------------------------------------------------------------------
 444   VTKViewer_InteractorStyleSALOME* GetInteractorStyle(QAD_StudyFrame *theStudyFrame){
 445     if(VTKViewer_ViewFrame* aViewFrame = GetVtkViewFrame(theStudyFrame)){
 446       if(VTKViewer_RenderWindowInteractor* anInteractor = aViewFrame->getRWInteractor()){
 447         return anInteractor->GetInteractorStyleSALOME();
 448       }
 449     }
 450     return NULL;
 451   }
 452
 453   void SetFilter(const Handle(VTKViewer_Filter)& theFilter,
 454                  VTKViewer_InteractorStyleSALOME* theStyle)
 455   {
 456     theStyle->SetFilter(theFilter);
 457   }
 458
 459   Handle(VTKViewer_Filter) GetFilter(int theId, VTKViewer_InteractorStyleSALOME* theStyle)
 460   {
 461     return theStyle->GetFilter(theId);
 462   }
 463
 464   bool IsFilterPresent(int theId, VTKViewer_InteractorStyleSALOME* theStyle)
 465   {
 466     return theStyle->IsFilterPresent(theId);
 467   }
 468
 469   void RemoveFilter(int theId, VTKViewer_InteractorStyleSALOME* theStyle){
 470     theStyle->RemoveFilter(theId);
 471   }
 472
 473   void RemoveFilters(VTKViewer_InteractorStyleSALOME* theStyle){
 474     for ( int id = SMESHGUI_NodeFilter; theStyle && id < SMESHGUI_LastFilter; id++ )
 475       theStyle->RemoveFilter( id );
 476   }
 477
 478   bool IsValid(SALOME_Actor* theActor, int theCellId,
 479                VTKViewer_InteractorStyleSALOME* theStyle)
 480   {
 481     return theStyle->IsValid(theActor,theCellId);
 482   }
 483
 484
 485   //----------------------------------------------------------------------------
 486   void SetPointRepresentation(bool theIsVisible){
 487     if(VTKViewer_ViewFrame* aViewFrame = GetCurrentVtkView()){
 488       vtkRenderer *aRenderer = aViewFrame->getRenderer();
 489       vtkActorCollection *aCollection = aRenderer->GetActors();
 490       aCollection->InitTraversal();
 491       while(vtkActor *anAct = aCollection->GetNextActor()){
 492         if(SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>(anAct)){
 493           if(anActor->GetVisibility()){
 494             anActor->SetPointRepresentation(theIsVisible);
 495           }
 496         }
 497       }
 498       RepaintCurrentView();
 499     }
 500   }
 501
 502
 503   void SetPickable(SMESH_Actor* theActor){
 504     if(VTKViewer_ViewFrame* aViewFrame = GetCurrentVtkView()){
 505       int anIsAllPickable = (theActor == NULL);
 506       vtkRenderer *aRenderer = aViewFrame->getRenderer();
 507       vtkActorCollection *aCollection = aRenderer->GetActors();
 508       aCollection->InitTraversal();
 509       while(vtkActor *anAct = aCollection->GetNextActor()){
 510         if(SALOME_Actor *anActor = dynamic_cast<SALOME_Actor*>(anAct)){
 511           if(anActor->GetVisibility()){
 512             anActor->SetPickable(anIsAllPickable);
 513           }
 514         }
 515       }
 516       if(theActor)
 517         theActor->SetPickable(!anIsAllPickable);
 518       RepaintCurrentView();
 519     }
 520   }
 521
 522
 523   int GetNameOfSelectedNodes(SALOME_Selection *theSel,
 524                              const Handle(SALOME_InteractiveObject)& theIO,
 525                              QString& theName)
 526   {
 527     theName = "";
 528     if(theIO->hasEntry()){
 529       if(FindActorByEntry(theIO->getEntry())){
 530         TColStd_IndexedMapOfInteger aMapIndex;
 531         theSel->GetIndex(theIO,aMapIndex);
 532         for(int i = 1; i <= aMapIndex.Extent(); i++){
 533           theName += QString(" %1").arg(aMapIndex(i));
 534         }
 535         return aMapIndex.Extent();
 536       }
 537     }
 538     return -1;
 539   }
 540
 541
 542   int GetNameOfSelectedNodes(SALOME_Selection *theSel, QString& theName){
 543     theName = "";
 544     if(theSel->IObjectCount() == 1){
 545       Handle(SALOME_InteractiveObject) anIO = theSel->firstIObject();
 546       return GetNameOfSelectedNodes(theSel,anIO,theName);
 547     }
 548     return -1;
 549   }
 550
 551
 552   int GetNameOfSelectedElements(SALOME_Selection *theSel,
 553                                 const Handle(SALOME_InteractiveObject)& theIO,
 554                                 QString& theName)
 555   {
 556     theName = "";
 557     if(theIO->hasEntry()){
 558       if(FindActorByEntry(theIO->getEntry())){
 559         TColStd_IndexedMapOfInteger aMapIndex;
 560         theSel->GetIndex(theIO,aMapIndex);
 561         typedef std::set<int> TIdContainer;
 562         TIdContainer anIdContainer;
 563         for( int i = 1; i <= aMapIndex.Extent(); i++)
 564           anIdContainer.insert(aMapIndex(i));
 565         TIdContainer::const_iterator anIter = anIdContainer.begin();
 566         for(; anIter != anIdContainer.end(); anIter++){
 567           theName += QString(" %1").arg(*anIter);
 568         }
 569         return aMapIndex.Extent();
 570       }
 571     }
 572     return -1;
 573   }
 574
 575
 576   int GetNameOfSelectedElements(SALOME_Selection *theSel, QString& theName)
 577   {
 578     theName = "";
 579     if(theSel->IObjectCount() == 1){
 580       Handle(SALOME_InteractiveObject) anIO = theSel->firstIObject();
 581       return GetNameOfSelectedElements(theSel,anIO,theName);
 582     }
 583     return -1;
 584   }
 585
 586
 587   int GetSelected(SALOME_Selection*            theSel,
 588                   TColStd_IndexedMapOfInteger& theMap,
 589                   const bool                   theIsElement)
 590   {
 591     theMap.Clear();
 592
 593     if ( theSel->IObjectCount() == 1 )
 594     {
 595       Handle(SALOME_InteractiveObject) anIO = theSel->firstIObject();
 596       if ( anIO->hasEntry() ) {
 597         theSel->GetIndex( anIO, theMap );
 598       }
 599     }
 600     return theMap.Extent();
 601   }
 602
 603
 604   int GetEdgeNodes( SALOME_Selection* theSel, int& theId1, int& theId2 )
 605   {
 606     if ( theSel->IObjectCount() != 1 )
 607       return -1;
 608
 609     Handle(SALOME_InteractiveObject) anIO = theSel->firstIObject();
 610     if ( anIO.IsNull() || !anIO->hasEntry() )
 611       return -1;
 612
 613     SMESH_Actor *anActor = SMESH::FindActorByEntry( anIO->getEntry() );
 614     if ( anActor == 0 )
 615       return -1;
 616
 617     TColStd_IndexedMapOfInteger aMapIndex;
 618     theSel->GetIndex( anIO, aMapIndex );
 619     if ( aMapIndex.Extent() != 2 )
 620       return -1;
 621
 622     int anObjId = -1, anEdgeNum = -1;
 623     for ( int i = 1; i <= aMapIndex.Extent(); i++ ) {
 624       int aVal = aMapIndex( i );
 625       if ( aVal > 0 )
 626         anObjId = aVal;
 627       else
 628         anEdgeNum = abs( aVal );
 629     }
 630
 631     if ( anObjId == -1 || anEdgeNum == -1 )
 632       return -1;
 633
 634     return anActor->GetObject()->GetEdgeNodes( anObjId, anEdgeNum, theId1, theId2 ) ? 1 : -1;
 635   }
 636
 637   void SetControlsPrecision( const long theVal )
 638   {
 639     if( VTKViewer_ViewFrame* aViewFrame = SMESH::GetCurrentVtkView() )
 640     {
 641       vtkRenderer *aRenderer = aViewFrame->getRenderer();
 642       vtkActorCollection *aCollection = aRenderer->GetActors();
 643       aCollection->InitTraversal();
 644
 645       while ( vtkActor *anAct = aCollection->GetNextActor())
 646       {
 647         if ( SMESH_Actor *anActor = dynamic_cast<SMESH_Actor*>( anAct ) )
 648         {
 649           anActor->SetControlsPrecision( theVal );
 650           anActor->SetControlMode( anActor->GetControlMode() );
 651         }
 652       }
 653
 654     }
 655   }
 656 }
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