src/SVTK/SVTK_ViewWindow.cxx

   1 #include "SALOME_Actor.h"
   2
   3 #include <qapplication.h>
   4
   5 #include <vtkActorCollection.h>
   6 #include <vtkRenderWindow.h>
   7 #include <vtkRenderer.h>
   8 #include <vtkCamera.h>
   9
  10 #include "QtxAction.h"
  11
  12 #include "SUIT_Session.h"
  13 #include "SUIT_ToolButton.h"
  14 #include "SUIT_MessageBox.h"
  15
  16 #include "SUIT_Tools.h"
  17 #include "SUIT_ResourceMgr.h"
  18
  19 #include "VTKViewer_Transform.h"
  20 #include "VTKViewer_Utilities.h"
  21
  22 #include "SVTK_Trihedron.h"
  23 #include "SVTK_ViewWindow.h"
  24 #include "SVTK_ViewModel.h"
  25 #include "SVTK_RenderWindow.h"
  26 #include "SVTK_RenderWindowInteractor.h"
  27 #include "SVTK_InteractorStyle.h"
  28
  29 #include "SALOME_ListIteratorOfListIO.hxx"
  30
  31 #include "SVTK_SelectorDef.h"
  32
  33 #include "VTKViewer_Algorithm.h"
  34 #include "SVTK_Functor.h"
  35
  36 //----------------------------------------------------------------------------
  37 SVTK_ViewWindow
  38 ::SVTK_ViewWindow( SUIT_Desktop* theDesktop,
  39                    SVTK_Viewer* theModel)
  40   : SUIT_ViewWindow(theDesktop)
  41 {
  42   myModel = theModel;
  43   mySelector = new SVTK_SelectorDef();
  44   connect(this,SIGNAL(selectionChanged()),theModel,SLOT(onSelectionChanged()));
  45
  46   myTransform = VTKViewer_Transform::New();
  47   myTrihedron = SVTK_Trihedron::New();
  48   myRenderer  = vtkRenderer::New() ;
  49
  50   myTrihedron->AddToRender( myRenderer );
  51
  52   myRenderWindow = new SVTK_RenderWindow( this, "RenderWindow" );
  53   setCentralWidget(myRenderWindow);
  54   myRenderWindow->setFocusPolicy( StrongFocus );
  55   myRenderWindow->setFocus();
  56
  57   myRenderWindow->getRenderWindow()->AddRenderer( myRenderer );
  58
  59   myRenderer->GetActiveCamera()->ParallelProjectionOn();
  60   myRenderer->LightFollowCameraOn();
  61   myRenderer->TwoSidedLightingOn();
  62
  63   // Set BackgroundColor
  64   QString BgrColorRed   = "0";//SUIT_CONFIG->getSetting("VTKViewer:BackgroundColorRed");
  65   QString BgrColorGreen = "0";//SUIT_CONFIG->getSetting("VTKViewer:BackgroundColorGreen");
  66   QString BgrColorBlue  = "0";//SUIT_CONFIG->getSetting("VTKViewer:BackgroundColorBlue");
  67
  68   if( !BgrColorRed.isEmpty() && !BgrColorGreen.isEmpty() && !BgrColorBlue.isEmpty() )
  69     myRenderer->SetBackground( BgrColorRed.toInt()/255., BgrColorGreen.toInt()/255., BgrColorBlue.toInt()/255. );
  70   else
  71     myRenderer->SetBackground( 0, 0, 0 );
  72
  73   // Create an interactor.
  74   myRWInteractor = SVTK_RenderWindowInteractor::New();
  75   myRWInteractor->SetRenderWindow( myRenderWindow->getRenderWindow() );
  76   myRWInteractor->setViewWindow( this );
  77
  78   SVTK_InteractorStyle* RWS = SVTK_InteractorStyle::New();
  79   RWS->setGUIWindow( myRenderWindow );
  80   RWS->setViewWindow( this );
  81
  82   myRWInteractor->SetInteractorStyle( RWS );
  83   myRWInteractor->Initialize();
  84
  85   RWS->setTriedron( myTrihedron );
  86   RWS->FindPokedRenderer( 0, 0 );
  87
  88   SetSelectionMode(ActorSelection);
  89
  90   setCentralWidget( myRenderWindow );
  91
  92   myToolBar = new QToolBar(this);
  93   myToolBar->setCloseMode(QDockWindow::Undocked);
  94   myToolBar->setLabel(tr("LBL_TOOLBAR_LABEL"));
  95
  96   createActions();
  97   createToolBar();
  98
  99   connect( myRenderWindow, SIGNAL(KeyPressed( QKeyEvent* )),
 100            this,           SLOT(onKeyPressed( QKeyEvent* )) );
 101   connect( myRenderWindow, SIGNAL(KeyReleased( QKeyEvent* )),
 102            this,           SLOT(onKeyReleased( QKeyEvent* )) );
 103   connect( myRenderWindow, SIGNAL(MouseButtonPressed( QMouseEvent* )),
 104            this,           SLOT(onMousePressed( QMouseEvent* )) );
 105   connect( myRenderWindow, SIGNAL(MouseButtonReleased( QMouseEvent* )),
 106            this,           SLOT(onMouseReleased( QMouseEvent* )) );
 107   connect( myRenderWindow, SIGNAL(MouseDoubleClicked( QMouseEvent* )),
 108            this,           SLOT(onMouseDoubleClicked( QMouseEvent* )) );
 109   connect( myRenderWindow, SIGNAL(MouseMove( QMouseEvent* )),
 110            this,           SLOT(onMouseMoving( QMouseEvent* )) );
 111
 112   connect( myRWInteractor, SIGNAL(RenderWindowModified()),
 113            myRenderWindow, SLOT(update()) );
 114   connect( myRWInteractor, SIGNAL(contextMenuRequested( QContextMenuEvent * )),
 115            this,           SIGNAL(contextMenuRequested( QContextMenuEvent * )) );
 116
 117   onResetView();
 118 }
 119
 120 //----------------------------------------------------------------------------
 121 SVTK_ViewWindow
 122 ::~SVTK_ViewWindow()
 123 {
 124   myTransform->Delete();
 125   // In order to ensure that the interactor unregisters
 126   // this RenderWindow, we assign a NULL RenderWindow to
 127   // it before deleting it.
 128   myRWInteractor->SetRenderWindow( NULL );
 129   myRWInteractor->Delete();
 130
 131   //m_RW->Delete() ;
 132   myRenderer->RemoveAllProps();
 133   //m_Renderer->Delete() ;
 134   myTrihedron->Delete();
 135 }
 136
 137 //----------------------------------------------------------------------------
 138 void
 139 SVTK_ViewWindow
 140 ::activateZoom()
 141 {
 142   myRWInteractor->GetSInteractorStyle()->startZoom();
 143 }
 144
 145 //----------------------------------------------------------------------------
 146 void
 147 SVTK_ViewWindow
 148 ::activatePanning()
 149 {
 150   myRWInteractor->GetSInteractorStyle()->startPan();
 151 }
 152
 153 //----------------------------------------------------------------------------
 154 void
 155 SVTK_ViewWindow
 156 ::activateRotation()
 157 {
 158   myRWInteractor->GetSInteractorStyle()->startRotate();
 159 }
 160
 161 //----------------------------------------------------------------------------
 162 void
 163 SVTK_ViewWindow
 164 ::activateGlobalPanning()
 165 {
 166   if(myTrihedron->GetVisibleActorCount(myRenderer))
 167     myRWInteractor->GetSInteractorStyle()->startGlobalPan();
 168 }
 169
 170 //----------------------------------------------------------------------------
 171 void
 172 SVTK_ViewWindow
 173 ::activateWindowFit()
 174 {
 175   myRWInteractor->GetSInteractorStyle()->startFitArea();
 176 }
 177
 178 //----------------------------------------------------------------------------
 179 void
 180 SVTK_ViewWindow
 181 ::createActions()
 182 {
 183   if (!myActionsMap.isEmpty()) return;
 184
 185   SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
 186
 187   QtxAction* aAction;
 188
 189   // Dump view
 190   aAction = new QtxAction(tr("MNU_DUMP_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_DUMP" ) ),
 191                            tr( "MNU_DUMP_VIEW" ), 0, this);
 192   aAction->setStatusTip(tr("DSC_DUMP_VIEW"));
 193   connect(aAction, SIGNAL(activated()), this, SLOT(onDumpView()));
 194   myActionsMap[ DumpId ] = aAction;
 195
 196   // FitAll
 197   aAction = new QtxAction(tr("MNU_FITALL"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_FITALL" ) ),
 198                            tr( "MNU_FITALL" ), 0, this);
 199   aAction->setStatusTip(tr("DSC_FITALL"));
 200   connect(aAction, SIGNAL(activated()), this, SLOT(onFitAll()));
 201   myActionsMap[ FitAllId ] = aAction;
 202
 203   // FitRect
 204   aAction = new QtxAction(tr("MNU_FITRECT"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_FITAREA" ) ),
 205                            tr( "MNU_FITRECT" ), 0, this);
 206   aAction->setStatusTip(tr("DSC_FITRECT"));
 207   connect(aAction, SIGNAL(activated()), this, SLOT(activateWindowFit()));
 208   myActionsMap[ FitRectId ] = aAction;
 209
 210   // Zoom
 211   aAction = new QtxAction(tr("MNU_ZOOM_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_ZOOM" ) ),
 212                            tr( "MNU_ZOOM_VIEW" ), 0, this);
 213   aAction->setStatusTip(tr("DSC_ZOOM_VIEW"));
 214   connect(aAction, SIGNAL(activated()), this, SLOT(activateZoom()));
 215   myActionsMap[ ZoomId ] = aAction;
 216
 217   // Panning
 218   aAction = new QtxAction(tr("MNU_PAN_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_PAN" ) ),
 219                            tr( "MNU_PAN_VIEW" ), 0, this);
 220   aAction->setStatusTip(tr("DSC_PAN_VIEW"));
 221   connect(aAction, SIGNAL(activated()), this, SLOT(activatePanning()));
 222   myActionsMap[ PanId ] = aAction;
 223
 224   // Global Panning
 225   aAction = new QtxAction(tr("MNU_GLOBALPAN_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_GLOBALPAN" ) ),
 226                            tr( "MNU_GLOBALPAN_VIEW" ), 0, this);
 227   aAction->setStatusTip(tr("DSC_GLOBALPAN_VIEW"));
 228   connect(aAction, SIGNAL(activated()), this, SLOT(activateGlobalPanning()));
 229   myActionsMap[ GlobalPanId ] = aAction;
 230
 231   // Rotation
 232   aAction = new QtxAction(tr("MNU_ROTATE_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_ROTATE" ) ),
 233                            tr( "MNU_ROTATE_VIEW" ), 0, this);
 234   aAction->setStatusTip(tr("DSC_ROTATE_VIEW"));
 235   connect(aAction, SIGNAL(activated()), this, SLOT(activateRotation()));
 236   myActionsMap[ RotationId ] = aAction;
 237
 238   // Projections
 239   aAction = new QtxAction(tr("MNU_FRONT_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_FRONT" ) ),
 240                            tr( "MNU_FRONT_VIEW" ), 0, this);
 241   aAction->setStatusTip(tr("DSC_FRONT_VIEW"));
 242   connect(aAction, SIGNAL(activated()), this, SLOT(onFrontView()));
 243   myActionsMap[ FrontId ] = aAction;
 244
 245   aAction = new QtxAction(tr("MNU_BACK_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_BACK" ) ),
 246                            tr( "MNU_BACK_VIEW" ), 0, this);
 247   aAction->setStatusTip(tr("DSC_BACK_VIEW"));
 248   connect(aAction, SIGNAL(activated()), this, SLOT(onBackView()));
 249   myActionsMap[ BackId ] = aAction;
 250
 251   aAction = new QtxAction(tr("MNU_TOP_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_TOP" ) ),
 252                            tr( "MNU_TOP_VIEW" ), 0, this);
 253   aAction->setStatusTip(tr("DSC_TOP_VIEW"));
 254   connect(aAction, SIGNAL(activated()), this, SLOT(onTopView()));
 255   myActionsMap[ TopId ] = aAction;
 256
 257   aAction = new QtxAction(tr("MNU_BOTTOM_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_BOTTOM" ) ),
 258                            tr( "MNU_BOTTOM_VIEW" ), 0, this);
 259   aAction->setStatusTip(tr("DSC_BOTTOM_VIEW"));
 260   connect(aAction, SIGNAL(activated()), this, SLOT(onBottomView()));
 261   myActionsMap[ BottomId ] = aAction;
 262
 263   aAction = new QtxAction(tr("MNU_LEFT_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_LEFT" ) ),
 264                            tr( "MNU_LEFT_VIEW" ), 0, this);
 265   aAction->setStatusTip(tr("DSC_LEFT_VIEW"));
 266   connect(aAction, SIGNAL(activated()), this, SLOT(onLeftView()));
 267   myActionsMap[ LeftId ] = aAction;
 268
 269   aAction = new QtxAction(tr("MNU_RIGHT_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_RIGHT" ) ),
 270                            tr( "MNU_RIGHT_VIEW" ), 0, this);
 271   aAction->setStatusTip(tr("DSC_RIGHT_VIEW"));
 272   connect(aAction, SIGNAL(activated()), this, SLOT(onRightView()));
 273   myActionsMap[ RightId ] = aAction;
 274
 275   // Reset
 276   aAction = new QtxAction(tr("MNU_RESET_VIEW"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_RESET" ) ),
 277                            tr( "MNU_RESET_VIEW" ), 0, this);
 278   aAction->setStatusTip(tr("DSC_RESET_VIEW"));
 279   connect(aAction, SIGNAL(activated()), this, SLOT(onResetView()));
 280   myActionsMap[ ResetId ] = aAction;
 281
 282   // onViewTrihedron: Shows - Hides Trihedron
 283   aAction = new QtxAction(tr("MNU_SHOW_TRIHEDRON"), aResMgr->loadPixmap( "VTKViewer", tr( "ICON_VTKVIEWER_VIEW_TRIHEDRON" ) ),
 284                            tr( "MNU_SHOW_TRIHEDRON" ), 0, this);
 285   aAction->setStatusTip(tr("DSC_SHOW_TRIHEDRON"));
 286   connect(aAction, SIGNAL(activated()), this, SLOT(onViewTrihedron()));
 287   myActionsMap[ ViewTrihedronId ] = aAction;
 288 }
 289
 290 //----------------------------------------------------------------------------
 291 void
 292 SVTK_ViewWindow
 293 ::createToolBar()
 294 {
 295   myActionsMap[DumpId]->addTo(myToolBar);
 296   myActionsMap[ViewTrihedronId]->addTo(myToolBar);
 297
 298   SUIT_ToolButton* aScaleBtn = new SUIT_ToolButton(myToolBar);
 299   aScaleBtn->AddAction(myActionsMap[FitAllId]);
 300   aScaleBtn->AddAction(myActionsMap[FitRectId]);
 301   aScaleBtn->AddAction(myActionsMap[ZoomId]);
 302
 303   SUIT_ToolButton* aPanningBtn = new SUIT_ToolButton(myToolBar);
 304   aPanningBtn->AddAction(myActionsMap[PanId]);
 305   aPanningBtn->AddAction(myActionsMap[GlobalPanId]);
 306
 307   myActionsMap[RotationId]->addTo(myToolBar);
 308
 309   SUIT_ToolButton* aViewsBtn = new SUIT_ToolButton(myToolBar);
 310   aViewsBtn->AddAction(myActionsMap[FrontId]);
 311   aViewsBtn->AddAction(myActionsMap[BackId]);
 312   aViewsBtn->AddAction(myActionsMap[TopId]);
 313   aViewsBtn->AddAction(myActionsMap[BottomId]);
 314   aViewsBtn->AddAction(myActionsMap[LeftId]);
 315   aViewsBtn->AddAction(myActionsMap[RightId]);
 316
 317   myActionsMap[ResetId]->addTo(myToolBar);
 318 }
 319
 320 //----------------------------------------------------------------------------
 321 void
 322 SVTK_ViewWindow
 323 ::onFrontView()
 324 {
 325   vtkCamera* camera = myRenderer->GetActiveCamera();
 326   camera->SetPosition(1,0,0);
 327   camera->SetViewUp(0,0,1);
 328   camera->SetFocalPoint(0,0,0);
 329   onFitAll();
 330 }
 331
 332 //----------------------------------------------------------------------------
 333 void
 334 SVTK_ViewWindow
 335 ::onBackView()
 336 {
 337   vtkCamera* camera = myRenderer->GetActiveCamera();
 338   camera->SetPosition(-1,0,0);
 339   camera->SetViewUp(0,0,1);
 340   camera->SetFocalPoint(0,0,0);
 341   onFitAll();
 342 }
 343
 344 //----------------------------------------------------------------------------
 345 void
 346 SVTK_ViewWindow
 347 ::onTopView()
 348 {
 349   vtkCamera* camera = myRenderer->GetActiveCamera();
 350   camera->SetPosition(0,0,1);
 351   camera->SetViewUp(0,1,0);
 352   camera->SetFocalPoint(0,0,0);
 353   onFitAll();
 354 }
 355
 356 //----------------------------------------------------------------------------
 357 void
 358 SVTK_ViewWindow
 359 ::onBottomView()
 360 {
 361   vtkCamera* camera = myRenderer->GetActiveCamera();
 362   camera->SetPosition(0,0,-1);
 363   camera->SetViewUp(0,1,0);
 364   camera->SetFocalPoint(0,0,0);
 365   onFitAll();
 366 }
 367
 368 //----------------------------------------------------------------------------
 369 void
 370 SVTK_ViewWindow
 371 ::onLeftView()
 372 {
 373   vtkCamera* camera = myRenderer->GetActiveCamera();
 374   camera->SetPosition(0,-1,0);
 375   camera->SetViewUp(0,0,1);
 376   camera->SetFocalPoint(0,0,0);
 377   onFitAll();
 378 }
 379
 380 //----------------------------------------------------------------------------
 381 void
 382 SVTK_ViewWindow
 383 ::onRightView()
 384 {
 385   vtkCamera* camera = myRenderer->GetActiveCamera();
 386   camera->SetPosition(0,1,0);
 387   camera->SetViewUp(0,0,1);
 388   camera->SetFocalPoint(0,0,0);
 389   onFitAll();
 390 }
 391
 392 //----------------------------------------------------------------------------
 393 void
 394 SVTK_ViewWindow
 395 ::onResetView()
 396 {
 397   int aTrihedronIsVisible = isTrihedronDisplayed();
 398   myTrihedron->SetVisibility( VTKViewer_Trihedron::eOnlyLineOn );
 399   ::ResetCamera(myRenderer,true);
 400   vtkCamera* aCamera = myRenderer->GetActiveCamera();
 401   aCamera->SetPosition(1,-1,1);
 402   aCamera->SetViewUp(0,0,1);
 403   ::ResetCamera(myRenderer,true);
 404   if(aTrihedronIsVisible) myTrihedron->VisibilityOn();
 405   else myTrihedron->VisibilityOff();
 406   static float aCoeff = 3.0;
 407   aCamera->SetParallelScale(aCoeff*aCamera->GetParallelScale());
 408   Repaint();
 409 }
 410
 411 //----------------------------------------------------------------------------
 412 void
 413 SVTK_ViewWindow
 414 ::onFitAll()
 415 {
 416   myRWInteractor->GetSInteractorStyle()->ViewFitAll();
 417   Repaint();
 418 }
 419
 420 //----------------------------------------------------------------
 421 void
 422 SVTK_ViewWindow
 423 ::onSelectionChanged()
 424 {
 425   unHighlightAll();
 426
 427   const SALOME_ListIO& aListIO = mySelector->StoredIObjects();
 428   SALOME_ListIteratorOfListIO anIter(aListIO);
 429   for(; anIter.More(); anIter.Next()){
 430     highlight(anIter.Value(),true,!anIter.More());
 431   }
 432
 433   emit selectionChanged();
 434 }
 435
 436 //----------------------------------------------------------------
 437 void
 438 SVTK_ViewWindow
 439 ::SetSelectionMode(Selection_Mode theMode)
 440 {
 441   mySelector->SetSelectionMode(theMode);
 442   myRWInteractor->SetSelectionMode(theMode);
 443 }
 444
 445 //----------------------------------------------------------------
 446 Selection_Mode
 447 SVTK_ViewWindow
 448 ::SelectionMode() const
 449 {
 450   return mySelector->SelectionMode();
 451 }
 452
 453 //----------------------------------------------------------------
 454 void
 455 SVTK_ViewWindow
 456 ::unHighlightAll()
 457 {
 458   myRWInteractor->unHighlightAll();
 459 }
 460
 461 //----------------------------------------------------------------
 462 void
 463 SVTK_ViewWindow
 464 ::highlight( const Handle(SALOME_InteractiveObject)& theIO,
 465              bool theIsHighlight,
 466              bool theIsUpdate )
 467 {
 468   myRWInteractor->highlight(theIO, theIsHighlight, theIsUpdate);
 469
 470   if(mySelector->HasIndex(theIO) && theIO->hasEntry()){
 471     TColStd_IndexedMapOfInteger aMapIndex;
 472     mySelector->GetIndex(theIO,aMapIndex);
 473     using namespace VTK;
 474     const char* anEntry = theIO->getEntry();
 475     vtkActorCollection* aCollection = myRenderer->GetActors();
 476     if(SALOME_Actor* anActor = Find<SALOME_Actor>(aCollection,TIsSameEntry<SALOME_Actor>(anEntry))){
 477       switch (mySelector->SelectionMode()) {
 478       case NodeSelection:
 479         myRWInteractor->highlightPoint(aMapIndex,anActor,theIsHighlight,theIsUpdate);
 480         break;
 481       case EdgeOfCellSelection:
 482         myRWInteractor->highlightEdge(aMapIndex,anActor,theIsHighlight,theIsUpdate);
 483         break;
 484       case CellSelection:
 485       case EdgeSelection:
 486       case FaceSelection:
 487       case VolumeSelection:
 488         myRWInteractor->highlightCell(aMapIndex,anActor,theIsHighlight,theIsUpdate);
 489         break;
 490       }
 491     }
 492   }else{
 493     myRWInteractor->unHighlightSubSelection();
 494   }
 495 }
 496
 497 //----------------------------------------------------------------
 498 bool
 499 SVTK_ViewWindow
 500 ::isInViewer( const Handle(SALOME_InteractiveObject)& theIO )
 501 {
 502   return myRWInteractor->isInViewer( theIO );
 503 }
 504
 505 //----------------------------------------------------------------
 506 bool
 507 SVTK_ViewWindow
 508 ::isVisible( const Handle(SALOME_InteractiveObject)& theIO )
 509 {
 510   return myRWInteractor->isVisible( theIO );
 511 }
 512
 513 //----------------------------------------------------------------------------
 514 void
 515 SVTK_ViewWindow
 516 ::setBackgroundColor( const QColor& color )
 517 {
 518   if ( myRenderer )
 519     myRenderer->SetBackground( color.red()/255., color.green()/255., color.blue()/255. );
 520 }
 521
 522 //----------------------------------------------------------------------------
 523 QColor
 524 SVTK_ViewWindow
 525 ::backgroundColor() const
 526 {
 527   float backint[3];
 528   if ( myRenderer ) {
 529     myRenderer->GetBackground( backint );
 530     return QColor(int(backint[0]*255), int(backint[1]*255), int(backint[2]*255));
 531   }
 532   return SUIT_ViewWindow::backgroundColor();
 533 }
 534
 535 //----------------------------------------------------------------------------
 536 void
 537 SVTK_ViewWindow
 538 ::Repaint(bool theUpdateTrihedron)
 539 {
 540   if (theUpdateTrihedron)
 541     onAdjustTrihedron();
 542   myRenderWindow->update();
 543 }
 544
 545 //----------------------------------------------------------------------------
 546 void
 547 SVTK_ViewWindow
 548 ::GetScale( double theScale[3] )
 549 {
 550   myTransform->GetScale( theScale );
 551 }
 552
 553 //----------------------------------------------------------------------------
 554 void
 555 SVTK_ViewWindow
 556 ::SetScale( double theScale[3] )
 557 {
 558   myTransform->SetScale( theScale[0], theScale[1], theScale[2] );
 559   myRWInteractor->Render();
 560   Repaint();
 561 }
 562
 563 //----------------------------------------------------------------------------
 564 bool
 565 SVTK_ViewWindow
 566 ::isTrihedronDisplayed()
 567 {
 568   return myTrihedron->GetVisibility() == VTKViewer_Trihedron::eOn;
 569 }
 570
 571 //----------------------------------------------------------------------------
 572 void
 573 SVTK_ViewWindow
 574 ::onViewTrihedron()
 575 {
 576   if(!myTrihedron)
 577     return;
 578
 579   if(isTrihedronDisplayed())
 580     myTrihedron->VisibilityOff();
 581   else
 582     myTrihedron->VisibilityOn();
 583
 584   Repaint();
 585 }
 586
 587 //----------------------------------------------------------------------------
 588 bool
 589 SVTK_ViewWindow
 590 ::ComputeTrihedronSize( double& theNewSize, double& theSize )
 591 {
 592   // calculating diagonal of visible props of the renderer
 593   float aBndBox[ 6 ];
 594   myTrihedron->VisibilityOff();
 595
 596   if ( ::ComputeVisiblePropBounds( myRenderer, aBndBox ) == 0 ) {
 597     aBndBox[ 1 ] = aBndBox[ 3 ] = aBndBox[ 5 ] = 100;
 598     aBndBox[ 0 ] = aBndBox[ 2 ] = aBndBox[ 4 ] = 0;
 599   }
 600
 601   myTrihedron->VisibilityOn();
 602   float aLength = 0;
 603   static bool aCalcByDiag = false;
 604   if ( aCalcByDiag ) {
 605     aLength = sqrt( ( aBndBox[1]-aBndBox[0])*(aBndBox[1]-aBndBox[0] )+
 606                     ( aBndBox[3]-aBndBox[2])*(aBndBox[3]-aBndBox[2] )+
 607                     ( aBndBox[5]-aBndBox[4])*(aBndBox[5]-aBndBox[4] ) );
 608   } else {
 609     aLength = aBndBox[ 1 ]-aBndBox[ 0 ];
 610     aLength = max( ( aBndBox[ 3 ] - aBndBox[ 2 ] ),aLength );
 611     aLength = max( ( aBndBox[ 5 ] - aBndBox[ 4 ] ),aLength );
 612   }
 613
 614   static float aSizeInPercents = 105;
 615   //QString aSetting = QAD_CONFIG->getSetting( "Viewer:TrihedronSize" );
 616   //if ( !aSetting.isEmpty() )
 617   //  aSizeInPercents = aSetting.toFloat();
 618
 619   static float EPS_SIZE = 5.0E-3;
 620   theSize = myTrihedron->GetSize();
 621   theNewSize = aLength * aSizeInPercents / 100.0;
 622
 623   // if the new trihedron size have sufficient difference, then apply the value
 624   return fabs( theNewSize - theSize) > theSize * EPS_SIZE ||
 625          fabs( theNewSize-theSize ) > theNewSize * EPS_SIZE;
 626 }
 627
 628 //----------------------------------------------------------------------------
 629 double
 630 SVTK_ViewWindow
 631 ::GetTrihedronSize() const
 632 {
 633   return myTrihedron->GetSize();
 634 }
 635
 636 //----------------------------------------------------------------------------
 637 void
 638 SVTK_ViewWindow
 639 ::AdjustTrihedrons( const bool theIsForcedUpdate )
 640 {
 641   if ( !isTrihedronDisplayed() && !theIsForcedUpdate )
 642     return;
 643
 644   int aVisibleNum = myTrihedron->GetVisibleActorCount( myRenderer );
 645   if ( aVisibleNum || theIsForcedUpdate ) {
 646     // if the new trihedron size have sufficient difference, then apply the value
 647     double aNewSize = 100, anOldSize;
 648     if ( ComputeTrihedronSize( aNewSize, anOldSize ) || theIsForcedUpdate ) {
 649       myTrihedron->SetSize( aNewSize );
 650       // itearte throuh displayed objects and set size if necessary
 651
 652       vtkActorCollection* anActors = getRenderer()->GetActors();
 653       anActors->InitTraversal();
 654       while( vtkActor* anActor = anActors->GetNextActor() ) {
 655         if( SALOME_Actor* aSActor = SALOME_Actor::SafeDownCast( anActor ) ) {
 656           if ( aSActor->IsResizable() )
 657             aSActor->SetSize( 0.5 * aNewSize );
 658         }
 659       }
 660     }
 661   }
 662
 663   ::ResetCameraClippingRange(myRenderer);
 664 }
 665
 666 //----------------------------------------------------------------------------
 667 void
 668 SVTK_ViewWindow
 669 ::onAdjustTrihedron()
 670 {
 671   AdjustTrihedrons( false );
 672 }
 673
 674 #define INCREMENT_FOR_OP 10
 675
 676 //=======================================================================
 677 // name    : onPanLeft
 678 // Purpose : Performs incremental panning to the left
 679 //=======================================================================
 680 void
 681 SVTK_ViewWindow
 682 ::onPanLeft()
 683 {
 684   myRWInteractor->GetSInteractorStyle()->IncrementalPan( -INCREMENT_FOR_OP, 0 );
 685 }
 686
 687 //=======================================================================
 688 // name    : onPanRight
 689 // Purpose : Performs incremental panning to the right
 690 //=======================================================================
 691 void
 692 SVTK_ViewWindow
 693 ::onPanRight()
 694 {
 695   myRWInteractor->GetSInteractorStyle()->IncrementalPan( INCREMENT_FOR_OP, 0 );
 696 }
 697
 698 //=======================================================================
 699 // name    : onPanUp
 700 // Purpose : Performs incremental panning to the top
 701 //=======================================================================
 702 void
 703 SVTK_ViewWindow
 704 ::onPanUp()
 705 {
 706   myRWInteractor->GetSInteractorStyle()->IncrementalPan( 0, INCREMENT_FOR_OP );
 707 }
 708
 709 //=======================================================================
 710 // name    : onPanDown
 711 // Purpose : Performs incremental panning to the bottom
 712 //=======================================================================
 713 void
 714 SVTK_ViewWindow
 715 ::onPanDown()
 716 {
 717   myRWInteractor->GetSInteractorStyle()->IncrementalPan( 0, -INCREMENT_FOR_OP );
 718 }
 719
 720 //=======================================================================
 721 // name    : onZoomIn
 722 // Purpose : Performs incremental zooming in
 723 //=======================================================================
 724 void
 725 SVTK_ViewWindow
 726 ::onZoomIn()
 727 {
 728   myRWInteractor->GetSInteractorStyle()->IncrementalZoom( INCREMENT_FOR_OP );
 729 }
 730
 731 //=======================================================================
 732 // name    : onZoomOut
 733 // Purpose : Performs incremental zooming out
 734 //=======================================================================
 735 void
 736 SVTK_ViewWindow
 737 ::onZoomOut()
 738 {
 739   myRWInteractor->GetSInteractorStyle()->IncrementalZoom( -INCREMENT_FOR_OP );
 740 }
 741
 742 //=======================================================================
 743 // name    : onRotateLeft
 744 // Purpose : Performs incremental rotating to the left
 745 //=======================================================================
 746 void
 747 SVTK_ViewWindow
 748 ::onRotateLeft()
 749 {
 750   myRWInteractor->GetSInteractorStyle()->IncrementalRotate( -INCREMENT_FOR_OP, 0 );
 751 }
 752
 753 //=======================================================================
 754 // name    : onRotateRight
 755 // Purpose : Performs incremental rotating to the right
 756 //=======================================================================
 757 void
 758 SVTK_ViewWindow
 759 ::onRotateRight()
 760 {
 761   myRWInteractor->GetSInteractorStyle()->IncrementalRotate( INCREMENT_FOR_OP, 0 );
 762 }
 763
 764 //=======================================================================
 765 // name    : onRotateUp
 766 // Purpose : Performs incremental rotating to the top
 767 //=======================================================================
 768 void
 769 SVTK_ViewWindow
 770 ::onRotateUp()
 771 {
 772   myRWInteractor->GetSInteractorStyle()->IncrementalRotate( 0, -INCREMENT_FOR_OP );
 773 }
 774
 775 //=======================================================================
 776 void
 777 SVTK_ViewWindow
 778 ::onKeyPressed(QKeyEvent* event)
 779 {
 780   emit keyPressed( this, event );
 781 }
 782
 783 //=======================================================================
 784 void
 785 SVTK_ViewWindow
 786 ::onKeyReleased(QKeyEvent* event)
 787 {
 788   emit keyReleased( this, event );
 789 }
 790
 791 //=======================================================================
 792 void
 793 SVTK_ViewWindow
 794 ::onMousePressed(QMouseEvent* event)
 795 {
 796   emit mousePressed(this, event);
 797 }
 798
 799 //=======================================================================
 800 void
 801 SVTK_ViewWindow
 802 ::onMouseReleased(QMouseEvent* event)
 803 {
 804   emit mouseReleased( this, event );
 805 }
 806
 807 //=======================================================================
 808 void
 809 SVTK_ViewWindow
 810 ::onMouseMoving(QMouseEvent* event)
 811 {
 812   emit mouseMoving( this, event );
 813 }
 814
 815 //=======================================================================
 816 void
 817 SVTK_ViewWindow
 818 ::onMouseDoubleClicked( QMouseEvent* event )
 819 {
 820   emit mouseDoubleClicked( this, event );
 821 }
 822
 823 //=======================================================================
 824 // name    : onRotateDown
 825 // Purpose : Performs incremental rotating to the bottom
 826 //=======================================================================
 827 void
 828 SVTK_ViewWindow
 829 ::onRotateDown()
 830 {
 831   myRWInteractor->GetSInteractorStyle()->IncrementalRotate( 0, INCREMENT_FOR_OP );
 832 }
 833
 834 //----------------------------------------------------------------------------
 835 void
 836 SVTK_ViewWindow
 837 ::InsertActor( SALOME_Actor* theActor, bool theMoveInternalActors )
 838 {
 839   theActor->AddToRender(myRenderer);
 840   theActor->SetTransform(myTransform);
 841   if(theMoveInternalActors)
 842     myRWInteractor->MoveInternalActors();
 843 }
 844
 845 //----------------------------------------------------------------------------
 846 void
 847 SVTK_ViewWindow
 848 ::AddActor( SALOME_Actor* theActor, bool theUpdate /*=false*/ )
 849 {
 850   InsertActor(theActor);
 851   if(theUpdate)
 852     Repaint();
 853 }
 854
 855 //----------------------------------------------------------------------------
 856 void
 857 SVTK_ViewWindow
 858 ::RemoveActor( SALOME_Actor* theActor, bool theUpdate /*=false*/ )
 859 {
 860   theActor->RemoveFromRender(myRenderer);
 861   if(theUpdate)
 862     Repaint();
 863 }
 864
 865 //----------------------------------------------------------------------------
 866 void
 867 SVTK_ViewWindow
 868 ::MoveActor( SALOME_Actor* theActor)
 869 {
 870   RemoveActor(theActor);
 871   InsertActor(theActor,true);
 872 }
 873
 874 //----------------------------------------------------------------------------
 875 QImage
 876 SVTK_ViewWindow
 877 ::dumpView()
 878 {
 879   QPixmap px = QPixmap::grabWindow( myRenderWindow->winId() );
 880   return px.convertToImage();
 881 }