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0023124: EDF 11219 GEOM: Ray tracing in the OCC viewer
[modules/gui.git] / src / LightApp / LightApp_Application.cxx
index e4dd2537ab0fddc8b716f8889adba39539104de8..3093f12fca6760f089daac4080e26e01de75965e 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2014  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -58,9 +58,7 @@
 #include "LightApp_WgViewModel.h"
 #include "LightApp_FullScreenHelper.h"
 
-
 #include <GUI_version.h>
-#include <Basics_OCCTVersion.hxx>
 
 #include <SALOME_Event.h>
 
 #ifndef DISABLE_OCCVIEWER
   #include <OCCViewer_ViewManager.h>
   #include <OCCViewer_ViewFrame.h>
+  #include <OCCViewer_ViewPort3d.h>
 #ifndef DISABLE_SALOMEOBJECT
   #include <SOCC_ViewModel.h>
 #else
   #include "LightApp_GVSelector.h"
 #endif
 
+#ifndef DISABLE_PVVIEWER
+  #include "PVViewer_ViewManager.h"
+  #include "PVViewer_ViewWindow.h"
+  #include "PVViewer_ViewModel.h"
+#endif
+
+#ifndef DISABLE_PYVIEWER
+  #include <PyViewer_ViewManager.h>
+  #include <PyViewer_ViewModel.h>
+  #include <PyViewer_ViewWindow.h>
+#endif
+
+
 #define VISIBILITY_COLUMN_WIDTH 25
 
 #include <QDir>
@@ -216,7 +228,6 @@ static const char* imageEmptyIcon[] = {
 
 int LightApp_Application::lastStudyId = 0;
 
-
 // Markers used to parse array with dockable windows and toolbars state.
 // For more details please see the qdockarealayout.cpp && qtoolbararealayout.cpp
 // in the Qt source code.
@@ -307,6 +318,8 @@ LightApp_Application::LightApp_Application()
   myAutoSaveTimer->setSingleShot( true );
   connect( myAutoSaveTimer, SIGNAL( timeout() ), this, SLOT( onSaveDoc() ) );
 
+  //connect( this, SIGNAL( moving() ), this, SLOT( onMoved() ) );
+
   SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
   QPixmap aLogo = aResMgr->loadPixmap( "LightApp", tr( "APP_DEFAULT_ICO" ), false );
 
@@ -423,6 +436,15 @@ void LightApp_Application::start()
   LightApp_EventFilter::Init();
 }
 
+/*!Closeapplication.*/
+void LightApp_Application::closeApplication()
+{
+  QProcess::startDetached( "HelpBrowser",
+                           QStringList() << QString( "--remove=%1" ).arg( QApplication::instance()->applicationPid() ) );
+
+  CAM_Application::closeApplication();
+}
+
 /*!Gets application name.*/
 QString LightApp_Application::applicationName() const
 {
@@ -493,6 +515,11 @@ bool LightApp_Application::activateModule( const QString& modName )
   updateWindows();
   updateViewManagers();
 
+  if ( activeStudy() && activeStudy()->root() && objectBrowser() ) {
+    if ( objectBrowser()->root() != activeStudy()->root() ) 
+      objectBrowser()->setRoot( activeStudy()->root() );
+    updateObjectBrowser( true );
+  }
   return true;
 }
 
@@ -728,7 +755,13 @@ void LightApp_Application::createActions()
   createActionForViewer( NewQxSceneViewId, newWinMenu, QString::number( 4 ), Qt::ALT+Qt::Key_S );
 #endif
 #ifndef DISABLE_GRAPHICSVIEW
-  createActionForViewer( NewGraphicsViewId, newWinMenu, QString::number( 5 ), Qt::ALT+Qt::Key_R );
+  createActionForViewer( NewGraphicsViewId, newWinMenu, QString::number( 5 ), Qt::ALT+Qt::Key_C );
+#endif
+#ifndef DISABLE_PVVIEWER
+  createActionForViewer( NewPVViewId, newWinMenu, QString::number( 6 ), Qt::ALT+Qt::Key_A );
+#endif
+#ifndef DISABLE_PYVIEWER
+  createActionForViewer( NewPyViewerId, newWinMenu, QString::number( 7 ), Qt::ALT+Qt::Key_Y );
 #endif
 
   createAction( RenameId, tr( "TOT_RENAME" ), QIcon(), tr( "MEN_DESK_RENAME" ), tr( "PRP_RENAME" ),
@@ -849,6 +882,16 @@ void LightApp_Application::onNewWindow()
   case NewGraphicsViewId:
     type = GraphicsView_Viewer::Type();
     break;
+#endif
+#ifndef DISABLE_PVVIEWER
+  case NewPVViewId:
+    type = PVViewer_Viewer::Type();
+    break;
+#endif
+#ifndef DISABLE_PYVIEWER
+  case NewPyViewerId:
+    type = PyViewer_Viewer::Type();
+    break;
 #endif
   }
 
@@ -994,6 +1037,18 @@ void LightApp_Application::updateCommandsStatus()
   if( a )
     a->setEnabled( activeStudy() );
 #endif
+
+#ifndef DISABLE_PVVIEWER
+  a = action( NewPVViewId );
+  if( a )
+    a->setEnabled( activeStudy() );
+#endif
+
+#ifndef DISABLE_PYVIEWER
+  a = action( NewPyViewerId );
+  if( a )
+    a->setEnabled( activeStudy() );
+#endif
 }
 
 /*!
@@ -1086,6 +1141,7 @@ void LightApp_Application::onHelpContentsModule()
   else {
     QStringList parameters;
     parameters << QString( "--language=%1" ).arg( resMgr->stringValue( "language", "language" ) );
+    parameters << QString( "--add=%1" ).arg( QApplication::instance()->applicationPid() );
     parameters << helpFile;
     QProcess::startDetached( "HelpBrowser", parameters );
   }
@@ -1156,6 +1212,7 @@ void LightApp_Application::onHelpContextModule( const QString& theComponentName,
   else {
     QStringList parameters;
     parameters << QString( "--language=%1" ).arg( resMgr->stringValue( "language", "language" ) );
+    parameters << QString( "--add=%1" ).arg( QApplication::instance()->applicationPid() );
     parameters << QString( "%1#%2" ).arg( helpFile ).arg( context );
     QProcess::startDetached( "HelpBrowser", parameters );
   }
@@ -1174,6 +1231,13 @@ void LightApp_Application::onSelectionChanged()
   action( EditPasteId )->setEnabled(canPaste);
 }
 
+/*!
+  SLOT: Performs some actions when dockable windows are triggered
+*/
+void LightApp_Application::onDockWindowVisibilityChanged( bool )
+{
+}
+
 QWidget* LightApp_Application::dockWindow( const int id ) const
 {
   QWidget* wid = 0;
@@ -1214,6 +1278,9 @@ void LightApp_Application::insertDockWindow( const int id, QWidget* wid )
   dock->setObjectName( wid->objectName().isEmpty() ? QString( "window_%1" ).arg( id ) : 
                       QString( "%1Dock" ).arg( wid->objectName() ) );
   dock->setWidget( wid );
+  dock->toggleViewAction()->setData( QVariant( wid->objectName() ) );
+  connect( dock->toggleViewAction(), SIGNAL( triggered( bool ) ),
+           this, SLOT( onDockWindowVisibilityChanged( bool ) ) );
 
   QKeySequence accel = wid->property( "shortcut" ).value<QKeySequence>();
   if ( !accel.isEmpty() )
@@ -1367,7 +1434,7 @@ SUIT_ViewManager* LightApp_Application::getViewManager( const QString& vmType, c
     if ( !aVM->getActiveView() )
       aVM->createView();
     else
-      aVM->getActiveView()->setFocus();
+      desktop()->setActiveWindow( aVM->getActiveView() );
   }
   else if ( create )
     aVM = createViewManager( vmType );
@@ -1428,6 +1495,23 @@ SUIT_ViewManager* LightApp_Application::createViewManager( const QString& vmType
     new LightApp_GVSelector( (GraphicsView_Viewer*)viewMgr->getViewModel(), mySelMgr );
   }
 #endif
+#ifndef DISABLE_PVVIEWER
+  if( vmType == PVViewer_Viewer::Type() )
+  {
+    if ( viewMgr = dynamic_cast<PVViewer_ViewManager*>( getViewManager( vmType, false ) ) ) {
+      viewMgr->getActiveView()->setFocus();
+      return 0;
+    } else {
+      viewMgr = new PVViewer_ViewManager( activeStudy(), desktop(), logWindow() );
+    }
+  }
+#endif
+#ifndef DISABLE_PYVIEWER
+  if( vmType == PyViewer_Viewer::Type() )
+  {
+    viewMgr = new PyViewer_ViewManager( activeStudy(), desktop() );
+  }
+#endif
 #ifndef DISABLE_OCCVIEWER
   if( vmType == OCCViewer_Viewer::Type() )
   {
@@ -1450,9 +1534,28 @@ SUIT_ViewManager* LightApp_Application::createViewManager( const QString& vmType
     vm->setTrihedronSize(  resMgr->doubleValue( "3DViewer", "trihedron_size", vm->trihedronSize() ),
                            resMgr->booleanValue( "3DViewer", "relative_size", vm->trihedronRelative() ));
     vm->setInteractionStyle( resMgr->integerValue( "3DViewer", "navigation_mode", vm->interactionStyle() ) );
+    vm->setProjectionType( resMgr->integerValue( "OCCViewer", "projection_mode", vm->projectionType() ) );
+  #if OCC_VERSION_LARGE > 0x06090000
+    vm->setStereoType( resMgr->integerValue( "OCCViewer", "stereo_type", vm->stereoType() ) );
+    vm->setAnaglyphFilter( resMgr->integerValue( "OCCViewer", "anaglyph_filter", vm->anaglyphFilter() ) );
+    vm->setStereographicFocus( resMgr->integerValue( "OCCViewer", "focus_type", vm->stereographicFocusType() ),
+                               resMgr->doubleValue( "OCCViewer", "focus_value", vm->stereographicFocusValue() ));
+    vm->setInterocularDistance( resMgr->integerValue( "OCCViewer", "iod_type", vm->interocularDistanceType() ),
+                                resMgr->doubleValue( "OCCViewer", "iod_value", vm->interocularDistanceValue() ));
+
+    vm->setReverseStereo( resMgr->booleanValue( "OCCViewer", "reverse_stereo", vm->isReverseStereo() ) );
+    vm->setVSync( resMgr->booleanValue( "OCCViewer", "enable_vsync", vm->isVSync() ) );
+    vm->setQuadBufferSupport( resMgr->booleanValue( "OCCViewer", "enable_quad_buffer_support", vm->isQuadBufferSupport() ) );
+  #endif
     vm->setZoomingStyle( resMgr->integerValue( "3DViewer", "zooming_mode", vm->zoomingStyle() ) );
     vm->enablePreselection( resMgr->booleanValue( "OCCViewer", "enable_preselection", vm->isPreselectionEnabled() ) );
     vm->enableSelection(    resMgr->booleanValue( "OCCViewer", "enable_selection",    vm->isSelectionEnabled() ) );
+    vm->setClippingColor( resMgr->colorValue( "OCCViewer", "clipping_color", vm->clippingColor() ) );
+    vm->setClippingTextureParams( resMgr->booleanValue( "OCCViewer", "clipping_use_default_texture", vm->isDefaultTextureUsed() ),
+                                  resMgr->stringValue( "OCCViewer", "clipping_texture", vm->clippingTexture() ),
+                                  resMgr->booleanValue( "OCCViewer", "clipping_modulate", vm->isTextureModulated() ),
+                                  resMgr->doubleValue( "OCCViewer", "clipping_scale", vm->clippingTextureScale() ) );
+
 
     viewMgr->setViewModel( vm );// custom view model, which extends SALOME_View interface
     new LightApp_OCCSelector( (OCCViewer_Viewer*)viewMgr->getViewModel(), mySelMgr );
@@ -1471,6 +1574,9 @@ SUIT_ViewManager* LightApp_Application::createViewManager( const QString& vmType
     if( vm )
     {
       vm->setProjectionMode( resMgr->integerValue( "VTKViewer", "projection_mode", vm->projectionMode() ) );
+      vm->setStereoType( resMgr->integerValue( "VTKViewer", "stereo_type", vm->stereoType() ) );
+      vm->setAnaglyphFilter( resMgr->integerValue( "VTKViewer", "anaglyph_filter", vm->anaglyphFilter() ) );
+      vm->setQuadBufferSupport( resMgr->booleanValue( "VTKViewer", "enable_quad_buffer_support", vm->isQuadBufferSupport() ) );
       vm->setBackground( resMgr->backgroundValue( "VTKViewer", "background", vm->background() ) );
       vm->setTrihedronSize( resMgr->doubleValue( "3DViewer", "trihedron_size", vm->trihedronSize() ),
                             resMgr->booleanValue( "3DViewer", "relative_size", vm->trihedronRelative() ) );
@@ -1591,7 +1697,7 @@ void LightApp_Application::onStudyCreated( SUIT_Study* theStudy )
 
 #ifndef DISABLE_PYCONSOLE
   if( pythonConsole() )
-    pythonConsole()->getInterp()->initStudy();
+    getPyInterp()->initStudy();
 #endif
 }
 
@@ -1622,7 +1728,7 @@ void LightApp_Application::onStudyOpened( SUIT_Study* theStudy )
 
 #ifndef DISABLE_PYCONSOLE
   if( pythonConsole() )
-    pythonConsole()->getInterp()->initStudy();
+    getPyInterp()->initStudy();
 #endif
 
   emit studyOpened();
@@ -1739,6 +1845,29 @@ void LightApp_Application::onRefresh()
   updateObjectBrowser( true );
 }
 
+/*!Private SLOT. Update actions after rename object.*/
+void LightApp_Application::onRenamed()
+{
+  activeStudy()->Modified();
+  updateActions();
+}
+
+// IMN 08.07.2015 : issue 002556: Some stereo outputs are affected by window position.
+// To prevent reversion the window should be either aligned during movement and resize.
+/*!Private SLOT. Update actions after rename object.*/
+/*void LightApp_Application::onMoved()
+{
+  OCCViewer_ViewManager* viewMgr = 0;
+  viewMgr = dynamic_cast<OCCViewer_ViewManager*>( getViewManager( OCCViewer_Viewer::Type(), false ) );
+  if (viewMgr) {
+    OCCViewer_ViewWindow* view = 0;
+    view = dynamic_cast<OCCViewer_ViewWindow*>( viewMgr->getActiveView() );
+    if (view) {
+      view->getViewPort()->repaintViewAfterMove();
+    }
+  }
+}
+*/
 /*!Private SLOT. Support drag-and-drop operation.*/
 void LightApp_Application::onDropped( const QList<SUIT_DataObject*>& objects, SUIT_DataObject* parent, int row, Qt::DropAction action )
 {
@@ -1869,6 +1998,9 @@ QWidget* LightApp_Application::createWindow( const int flag )
     if ( proxyModel ) {
       connect( proxyModel, SIGNAL( dropped( const QList<SUIT_DataObject*>&, SUIT_DataObject*, int, Qt::DropAction ) ),
                this,       SLOT( onDropped( const QList<SUIT_DataObject*>&, SUIT_DataObject*, int, Qt::DropAction ) ) );
+      connect( proxyModel, SIGNAL( renamed( SUIT_DataObject* ) ),
+               this,       SLOT( onRenamed( ) ) );
+
     }
 
     // temporary commented
@@ -1891,7 +2023,7 @@ QWidget* LightApp_Application::createWindow( const int flag )
 #ifndef DISABLE_PYCONSOLE
   else  if ( flag == WT_PyConsole )
   {
-    PyConsole_Console* pyCons = new PyConsole_EnhConsole( desktop(),new LightApp_PyInterp());
+    PyConsole_Console* pyCons = new PyConsole_EnhConsole( desktop(), getPyInterp() );
     pyCons->setObjectName( "pythonConsole" );
     pyCons->setWindowTitle( tr( "PYTHON_CONSOLE" ) );
     pyCons->setFont(resourceMgr()->fontValue( "PyConsole", "font" ));
@@ -1956,7 +2088,9 @@ LightApp_Preferences* LightApp_Application::preferences( const bool crt ) const
   that->myPrefs = _prefs_;
 
   connect( myPrefs, SIGNAL( preferenceChanged( QString&, QString&, QString& ) ),
-           this, SLOT( onPreferenceChanged( QString&, QString&, QString& ) ) );
+           this, SLOT( onPreferenceChanged( QString&, QString&, QString& ) ), Qt::UniqueConnection );
+  connect( myPrefs, SIGNAL( resetToDefaults() ),
+           this, SIGNAL( preferenceResetToDefaults() ), Qt::UniqueConnection );
 
   if ( !crt )
     return myPrefs;
@@ -2078,9 +2212,11 @@ void LightApp_Application::createPreferences( LightApp_Preferences* pref )
   }
   pref->setItemProperty( "strings", aLangs, curLang );
   pref->setItemProperty( "icons",   aIcons, curLang );
+  pref->setItemProperty( "restart",  true, curLang );
 
   int curLocale = pref->addPreference( tr( "PREF_CURRENT_LOCALE" ), langGroup,
                                           LightApp_Preferences::Bool, "language", "locale" );
+  pref->setItemProperty( "restart",  true, curLocale );
   // ... "Language" group <<end>>
 
   // ... "Look and feel" group <<start>>
@@ -2153,6 +2289,15 @@ void LightApp_Application::createPreferences( LightApp_Preferences* pref )
   pref->setItemProperty( "strings", aValuesList,   mruLinkType );
   pref->setItemProperty( "indexes", anIndicesList, mruLinkType );
   // ... "MRU" preferences group <<end>>
+
+  // ... "Full-screen" group <<start>>
+  int fullScreenGroup = pref->addPreference( tr( "PREF_GROUP_FULL_SCREEN" ), genTab );
+  pref->setItemProperty( "columns", 2, fullScreenGroup );
+  // .... -> automatic hiding toolbars
+  pref->addPreference( tr( "PREF_FULL_SCREEN_AUTO" ), fullScreenGroup,
+                      LightApp_Preferences::Bool, "OCCViewer", "automatic_hiding" );
+  // ... "Full-screen" group <<end>>
+
   // .. "General" preferences tab <<end>>
 
   // .. "3D viewer" group <<start>>
@@ -2196,12 +2341,94 @@ void LightApp_Application::createPreferences( LightApp_Preferences* pref )
   // .. "OCC viewer" group <<start>>
   int occGroup = pref->addPreference( tr( "PREF_GROUP_OCCVIEWER" ), salomeCat );
 
+  // .... -> Projection mode
+  int occProjMode = pref->addPreference( tr( "PREF_PROJECTION_MODE" ), occGroup,
+                                         LightApp_Preferences::Selector, "OCCViewer", "projection_mode" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  aValuesList   << tr("PREF_ORTHOGRAPHIC") << tr("PREF_PERSPECTIVE");
+  anIndicesList << 0                       << 1;
+  pref->setItemProperty( "strings", aValuesList,   occProjMode );
+  pref->setItemProperty( "indexes", anIndicesList, occProjMode );
+#if OCC_VERSION_LARGE > 0x06090000
+  // .... -> Stereo group
+  int stereoGroup = pref->addPreference( tr( "PREF_GROUP_STEREO" ), occGroup);
+  pref->setItemProperty( "columns", 2, stereoGroup );
+  // .... -> Stereo type
+  int stereoType = pref->addPreference( tr( "PREF_STEREO_TYPE" ), stereoGroup,
+                                            LightApp_Preferences::Selector, "OCCViewer", "stereo_type" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  idList.clear();
+  OCCViewer_Viewer::stereoData( aValuesList, idList);
+  foreach( int gid, idList ) anIndicesList << gid;
+  pref->setItemProperty( "strings", aValuesList,   stereoType );
+  pref->setItemProperty( "indexes", anIndicesList, stereoType );
+
+  // .... -> Anaglyph filter
+  int anaglyphFilter = pref->addPreference( tr( "PREF_ANAGLYPH_FILTER" ), stereoGroup,
+                                            LightApp_Preferences::Selector, "OCCViewer", "anaglyph_filter" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  aValuesList   << tr("PREF_ANAGLYPH_RED_CYAN") << tr("PREF_ANAGLYPH_YELLOW_BLUE") << tr("PREF_ANAGLYPH_GREEN_MAGENTA");
+  anIndicesList << 0                            << 1                               << 2;
+
+  pref->setItemProperty( "strings", aValuesList,   anaglyphFilter );
+  pref->setItemProperty( "indexes", anIndicesList, anaglyphFilter );
+
+  // .... -> Convergence distance type
+  int occFocusType = pref->addPreference( tr( "PREF_FOCUS_TYPE" ), stereoGroup,
+                                           LightApp_Preferences::Selector, "OCCViewer", "focus_type" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  aValuesList   << tr("PREF_ABSOLUTE") << tr("PREF_RELATIVE");
+  anIndicesList << 0                   << 1;
+  pref->setItemProperty( "strings", aValuesList,   occFocusType );
+  pref->setItemProperty( "indexes", anIndicesList, occFocusType );
+
+  // .... -> Stereographic focus value
+  int focusValue = pref->addPreference( tr( "PREF_FOCUS_VALUE" ), stereoGroup,
+               LightApp_Preferences::DblSpin, "OCCViewer", "focus_value" );
+  pref->setItemProperty( "precision", 3, focusValue );
+  pref->setItemProperty( "min", 1.0E-03, focusValue );
+  pref->setItemProperty( "max", 1.0E03, focusValue );
+  pref->setItemProperty( "step", 0.05, focusValue );
+
+  // .... -> IOD type
+  int occIODType = pref->addPreference( tr( "PREF_IOD_TYPE" ), stereoGroup,
+                                           LightApp_Preferences::Selector, "OCCViewer", "iod_type" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  aValuesList   << tr("PREF_ABSOLUTE") << tr("PREF_RELATIVE");
+  anIndicesList << 0                   << 1;
+  pref->setItemProperty( "strings", aValuesList,   occIODType );
+  pref->setItemProperty( "indexes", anIndicesList, occIODType );
+
+  // .... -> Interocular distance (IOD) value
+  int IODValue = pref->addPreference( tr( "PREF_IOD_VALUE" ), stereoGroup,
+                                      LightApp_Preferences::DblSpin, "OCCViewer", "iod_value" );
+  pref->setItemProperty( "precision", 3, IODValue );
+  pref->setItemProperty( "min", 1.0E-03, IODValue );
+  pref->setItemProperty( "max", 1.0E03, IODValue );
+  pref->setItemProperty( "step", 0.05, IODValue );
+
+  // .... -> Reverse stereo
+  pref->addPreference( tr( "PREF_REVERSE_STEREO" ), stereoGroup,
+                      LightApp_Preferences::Bool, "OCCViewer", "reverse_stereo" );
+  // .... -> Enable V-Sync
+  pref->addPreference( tr( "PREF_ENABLE_VSYNC" ), stereoGroup,
+                      LightApp_Preferences::Bool, "OCCViewer", "enable_vsync" );
+  // .... -> Enable quad-buffer support
+  pref->addPreference( tr( "PREF_ENABLE_QUAD_BUFFER_SUPPORT" ), stereoGroup,
+                      LightApp_Preferences::Bool, "OCCViewer", "enable_quad_buffer_support" );
+#endif
   // ... "Background" group <<start>>
   int bgGroup = pref->addPreference( tr( "PREF_VIEWER_BACKGROUND" ), occGroup );
   //  pref->setItemProperty( "columns", 2, bgGroup );
   aValuesList.clear();
   anIndicesList.clear();
   txtList.clear();
+  idList.clear();
   formats = OCCViewer_Viewer::backgroundData( aValuesList, idList, txtList );
   foreach( int gid, idList ) anIndicesList << gid;
   // .... -> 3D viewer background
@@ -2262,11 +2489,93 @@ void LightApp_Application::createPreferences( LightApp_Preferences* pref )
                       LightApp_Preferences::Bool, "OCCViewer", "enable_selection" );
   // ... "Selection" group <<end>>
 
+  // ... "Clipping" group <<start>>
+  int occClippingGroup = pref->addPreference( tr( "PREF_GROUP_CLIPPING" ), occGroup );
+  // .... -> clipping color
+  pref->addPreference( tr( "PREF_CLIPPING_COLOR" ), occClippingGroup,
+               LightApp_Preferences::Color, "OCCViewer", "clipping_color" );
+  int texturePref = pref->addPreference( "", occClippingGroup, LightApp_Preferences::Frame );
+  pref->setItemProperty( "columns", 2, texturePref );
+  // .... -> use default texture
+  pref->addPreference( tr( "PREF_CLIPPING_DEFAULT_TEXTURE" ), texturePref,
+               LightApp_Preferences::Bool, "OCCViewer", "clipping_use_default_texture" );
+  // .... -> clipping texture
+  int filePref = pref->addPreference( tr( "PREF_CLIPPING_TEXTURE" ), texturePref,
+               LightApp_Preferences::File, "OCCViewer", "clipping_texture" );
+  pref->setItemProperty( "path_filter", tr( "OCC_TEXTURE_FILES" ), filePref );
+  // .... -> modulate
+  pref->addPreference( tr( "PREF_CLIPPING_MODULATE" ), texturePref,
+               LightApp_Preferences::Bool, "OCCViewer", "clipping_modulate" );
+  // .... -> scale factor
+  int scaleFactor = pref->addPreference( tr( "PREF_CLIPPING_SCALE" ), texturePref,
+               LightApp_Preferences::DblSpin, "OCCViewer", "clipping_scale" );
+  pref->setItemProperty( "precision", 3, scaleFactor );
+  pref->setItemProperty( "min", 1.0E-03, scaleFactor );
+  pref->setItemProperty( "max", 1.0E03, scaleFactor );
+  pref->setItemProperty( "step", 0.1, scaleFactor );
+  // ... "Clipping" group <<end>>
+
+  // ... "Ray tracing" group <<start>>
+  int occRayTracingGroup = pref->addPreference( tr( "PREF_GROUP_RAY_TRACING" ), occGroup );
+  int rtPref = pref->addPreference( "", occRayTracingGroup, LightApp_Preferences::Frame );
+  pref->setItemProperty( "columns", 2, rtPref );
+  // .... -> depth
+  int rt_depth = pref->addPreference( tr( "PREF_RAY_TRACING_DEPTH" ), rtPref,
+               LightApp_Preferences::IntSpin, "OCCViewer", "rt_depth" );
+  pref->setItemProperty( "min", 1, rt_depth );
+  pref->setItemProperty( "max", 10, rt_depth );
+  pref->setItemProperty( "step", 1, rt_depth );
+  pref->addPreference( "", rtPref, LightApp_Preferences::Frame );
+  // .... -> specular reflections
+  pref->addPreference( tr( "PREF_RAY_TRACING_REFLECTION" ), rtPref,
+               LightApp_Preferences::Bool, "OCCViewer", "rt_reflection" );
+  // .... -> adaptive anti-aliasing
+  pref->addPreference( tr( "PREF_RAY_TRACING_ANTIALIASING" ), rtPref,
+               LightApp_Preferences::Bool, "OCCViewer", "rt_antialiasing" );
+  // .... -> shadows rendering
+  pref->addPreference( tr( "PREF_RAY_TRACING_SHADOW" ), rtPref,
+               LightApp_Preferences::Bool, "OCCViewer", "rt_shadow" );
+  // .... -> transparent shadow
+  pref->addPreference( tr( "PREF_RAY_TRACING_TRANS_SHADOW" ), rtPref,
+               LightApp_Preferences::Bool, "OCCViewer", "rt_trans_shadow" );
+  // ... "Ray tracing" group <<end>>
+
+  // ... "Light source" group <<start>>
+  int occLightGroup = pref->addPreference( tr( "PREF_GROUP_LIGHT" ), occGroup );
+  // .... -> light color
+  pref->addPreference( tr( "PREF_LIGHT_COLOR" ), occLightGroup,
+               LightApp_Preferences::Color, "OCCViewer", "light_color" );
+  int directionPref = pref->addPreference( "", occLightGroup, LightApp_Preferences::Frame );
+  pref->setItemProperty( "columns", 3, directionPref );
+  // .... -> light direction (dx component)
+  int light_dx = pref->addPreference( tr( "Dx" ), directionPref,
+               LightApp_Preferences::DblSpin, "OCCViewer", "light_dx" );
+  pref->setItemProperty( "precision", 2, light_dx );
+  pref->setItemProperty( "min", -1.0E03, light_dx );
+  pref->setItemProperty( "max", 1.0E03, light_dx );
+  pref->setItemProperty( "step", 0.1, light_dx );
+  // .... -> light direction (dy component)
+  int light_dy = pref->addPreference( tr( "Dy" ), directionPref,
+               LightApp_Preferences::DblSpin, "OCCViewer", "light_dy" );
+  pref->setItemProperty( "precision", 2, light_dy );
+  pref->setItemProperty( "min", -1.0E03, light_dy );
+  pref->setItemProperty( "max", 1.0E03, light_dy );
+  pref->setItemProperty( "step", 0.1, light_dy );
+  // .... -> light direction (dz component)
+  int light_dz = pref->addPreference( tr( "Dz" ), directionPref,
+               LightApp_Preferences::DblSpin, "OCCViewer", "light_dz" );
+  pref->setItemProperty( "precision", 2, light_dz );
+  pref->setItemProperty( "min", -1.0E03, light_dz );
+  pref->setItemProperty( "max", 1.0E03, light_dz );
+  pref->setItemProperty( "step", 0.1, light_dz );
+  // ... "Light source" group <<end>>
+
   // ... -> empty frame (for layout) <<start>>
   int occGen = pref->addPreference( "", occGroup, LightApp_Preferences::Frame );
   pref->setItemProperty( "margin",  0, occGen );
   pref->setItemProperty( "columns", 2, occGen );
   // ... -> empty frame (for layout) <<end>>
+
   // .. "OCC viewer" group <<end>>
 #endif
 
@@ -2286,10 +2595,40 @@ void LightApp_Application::createPreferences( LightApp_Preferences* pref )
   anIndicesList << 0                       << 1;
   pref->setItemProperty( "strings", aValuesList,   vtkProjMode );
   pref->setItemProperty( "indexes", anIndicesList, vtkProjMode );
+
+  // .... -> Stereo group
+  int vtkStereoGroup = pref->addPreference( tr( "PREF_GROUP_STEREO" ), vtkGroup);
+  pref->setItemProperty( "columns", 2, vtkStereoGroup );
+  // .... -> Stereo type
+  int vtkStereoType = pref->addPreference( tr( "PREF_STEREO_TYPE" ), vtkStereoGroup,
+                                           LightApp_Preferences::Selector, "VTKViewer", "stereo_type" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  idList.clear();
+  SVTK_Viewer::stereoData( aValuesList, idList);
+  foreach( int gid, idList ) anIndicesList << gid;
+  pref->setItemProperty( "strings", aValuesList,   vtkStereoType );
+  pref->setItemProperty( "indexes", anIndicesList, vtkStereoType );
+  // .... -> Anaglyph filter
+  int vtkAnaglyphFilter = pref->addPreference( tr( "PREF_ANAGLYPH_FILTER" ), vtkStereoGroup,
+                                               LightApp_Preferences::Selector, "VTKViewer", "anaglyph_filter" );
+  aValuesList.clear();
+  anIndicesList.clear();
+  aValuesList   << tr("PREF_ANAGLYPH_RED_CYAN") << tr("PREF_ANAGLYPH_YELLOW_BLUE") << tr("PREF_ANAGLYPH_GREEN_MAGENTA");
+  anIndicesList << 0                            << 1                               << 2;
+
+  pref->setItemProperty( "strings", aValuesList,   vtkAnaglyphFilter );
+  pref->setItemProperty( "indexes", anIndicesList, vtkAnaglyphFilter );
+
+  // .... -> Enable quad-buffer support
+  pref->addPreference( tr( "PREF_ENABLE_QUAD_BUFFER_SUPPORT" ), vtkStereoGroup,
+                       LightApp_Preferences::Bool, "VTKViewer", "enable_quad_buffer_support" );
+
   // .... -> background
   aValuesList.clear();
   anIndicesList.clear();
   txtList.clear();
+  idList.clear();
 #ifndef DISABLE_SALOMEOBJECT
   formats = SVTK_Viewer::backgroundData( aValuesList, idList, txtList );
 #endif
@@ -2505,6 +2844,51 @@ void LightApp_Application::createPreferences( LightApp_Preferences* pref )
 
   // .. "Plot2d viewer" group <<end>>
 
+  // .. "PyViewer" preferences tab <<start>>
+  int pyeditTab = pref->addPreference( tr( "PREF_TAB_PYEDITOR" ), salomeCat );
+  // ... "Font settings" group <<start>>
+  int pyFontGroup = pref->addPreference( tr( "PREF_GROUP_PY_FONT" ), pyeditTab );
+  pref->addPreference( tr( "PREF_PY_FONT" ), pyFontGroup,
+    LightApp_Preferences::Font, "PyEditor", "Font" );
+  // ... "Font settings" group <<end>>
+  // ... "Display settings" group <<start>>
+  int pyDispGroup = pref->addPreference( tr( "PREF_GROUP_PY_DISPLAY" ), pyeditTab );
+  pref->setItemProperty( "columns", 2, pyDispGroup );
+  // ... -> current line highlight
+  pref->addPreference( tr( "PREF_PY_CURRLINE_HIGHLIGHT" ), pyDispGroup,
+    LightApp_Preferences::Bool, "PyEditor", "HighlightCurrentLine" );
+  // ... -> text wrapping
+  pref->addPreference( tr( "PREF_PY_TEXT_WRAP" ), pyDispGroup,
+    LightApp_Preferences::Bool, "PyEditor", "TextWrapping" );
+  // ... -> center cursor on scroll
+  pref->addPreference( tr( "PREF_PY_CURSON_ON_SCROLL" ), pyDispGroup,
+    LightApp_Preferences::Bool, "PyEditor", "CenterCursorOnScroll" );
+  // ... -> line numbers area
+  pref->addPreference( tr( "PREF_PY_LINE_NUMBS_AREA" ), pyDispGroup,
+    LightApp_Preferences::Bool, "PyEditor", "LineNumberArea" );
+  // ... "Display settings" group <<end>>
+  // ... "Tab settings" group <<start>>
+  int pyTabGroup = pref->addPreference( tr( "PREF_GROUP_PY_TAB" ), pyeditTab );
+  pref->setItemProperty( "columns", 2, pyTabGroup );
+  // ... -> tab whitespaces
+  pref->addPreference( tr( "PREF_PY_TAB_WHITESPACES" ), pyTabGroup,
+    LightApp_Preferences::Bool, "PyEditor", "TabSpaceVisible" );
+  // ... -> tab size
+  pref->addPreference( tr( "PREF_PY_TAB_SIZE" ), pyTabGroup,
+    LightApp_Preferences::IntSpin, "PyEditor", "TabSize" );
+  // ... "Tab settings" group <<end>>
+  // ... "Vertical edge settings" group <<start>>
+  int pyVertEdgeGroup = pref->addPreference( tr( "PREF_GROUP_VERT_EDGE" ), pyeditTab );
+  pref->setItemProperty( "columns", 2, pyVertEdgeGroup );
+  // ... -> vertical edge
+  pref->addPreference( tr( "PREF_PY_VERT_EDGE" ), pyVertEdgeGroup,
+    LightApp_Preferences::Bool, "PyEditor", "VerticalEdge" );
+  // ... -> number of columns
+  pref->addPreference( tr( "PREF_PY_NUM_COLUMNS" ), pyVertEdgeGroup,
+    LightApp_Preferences::IntSpin, "PyEditor", "NumberColumns" );
+  // ... "Vertical edge settings" group <<end>>
+  // .. "PyEditor" preferences tab <<end>>
+
   // .. "Directories" preferences tab <<start>>
   int dirTab = pref->addPreference( tr( "PREF_TAB_DIRECTORIES" ), salomeCat );
   // ... --> quick directories list
@@ -2735,6 +3119,206 @@ void LightApp_Application::preferencesChanged( const QString& sec, const QString
   }
 #endif
 
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "clipping_color" ) )
+  {
+    QColor aColor = resMgr->colorValue( "OCCViewer", "clipping_color", QColor( 50, 50, 50 ) );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setClippingColor( aColor );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && ( param == QString( "clipping_use_default_texture" ) ||
+                                          param == QString( "clipping_texture" ) ||
+                                          param == QString( "clipping_modulate" ) ||
+                                          param == QString( "clipping_scale" ) ) )
+  {
+    bool isDefaultTextureUsed = resMgr->booleanValue( "OCCViewer", "clipping_use_default_texture" );
+    QString aTexture = resMgr->stringValue( "OCCViewer", "clipping_texture" );
+    bool isModulated = resMgr->booleanValue( "OCCViewer", "clipping_modulate" );
+    double aScale = resMgr->doubleValue( "OCCViewer", "clipping_scale" );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setClippingTextureParams( isDefaultTextureUsed, aTexture, isModulated, aScale );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "projection_mode" ) )
+  {
+    int mode = resMgr->integerValue( "OCCViewer", "projection_mode", 0 );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setProjectionType( mode );
+    }
+  }
+#endif
+#if OCC_VERSION_LARGE > 0x06090000
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "stereo_type" ) )
+  {
+    int mode = resMgr->integerValue( "OCCViewer", "stereo_type", 0 );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setStereoType( mode );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "anaglyph_filter" ) )
+  {
+    int mode = resMgr->integerValue( "OCCViewer", "anaglyph_filter", 0 );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setAnaglyphFilter( mode );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && ( param == QString( "focus_type" ) ||
+                                          param == QString( "focus_value" ) ) )
+  {
+    int aType = resMgr->integerValue( "OCCViewer", "focus_type" );
+    double aValue = resMgr->doubleValue( "OCCViewer", "focus_value" );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setStereographicFocus( aType, aValue );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && ( param == QString( "iod_type" ) ||
+                                          param == QString( "iod_value" ) ) )
+  {
+    int aType = resMgr->integerValue( "OCCViewer", "iod_type" );
+    double aValue = resMgr->doubleValue( "OCCViewer", "iod_value" );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setInterocularDistance( aType, aValue );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "reverse_stereo" ) )
+  {
+    bool reverse = resMgr->booleanValue( "OCCViewer", "reverse_stereo", false );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setReverseStereo( reverse );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "enable_vsync" ) )
+  {
+    bool enable = resMgr->booleanValue( "OCCViewer", "enable_vsync", true );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setVSync( enable );
+    }
+  }
+#endif
+
+#ifndef DISABLE_OCCVIEWER
+  if ( sec == QString( "OCCViewer" ) && param == QString( "enable_quad_buffer_support" ) )
+  {
+    bool enable = resMgr->booleanValue( "OCCViewer", "enable_quad_buffer_support", false );
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( OCCViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "OCCViewer_Viewer" ) )
+        continue;
+
+      OCCViewer_Viewer* occVM = (OCCViewer_Viewer*)vm;
+      occVM->setQuadBufferSupport( enable );
+    }
+  }
+#endif
+#endif
   if ( sec == QString( "3DViewer" ) && param == QString( "zooming_mode" ) )
   {
     int mode = resMgr->integerValue( "3DViewer", "zooming_mode", 0 );
@@ -2812,6 +3396,69 @@ void LightApp_Application::preferencesChanged( const QString& sec, const QString
   }
 #endif
 
+#ifndef DISABLE_VTKVIEWER
+  if ( sec == QString( "VTKViewer" ) && param == QString( "stereo_type" ) )
+  {
+    int mode = resMgr->integerValue( "VTKViewer", "stereo_type", 0 );
+    QList<SUIT_ViewManager*> lst;
+#ifndef DISABLE_SALOMEOBJECT
+    viewManagers( SVTK_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "SVTK_Viewer" ) )
+        continue;
+
+      SVTK_Viewer* vtkVM = dynamic_cast<SVTK_Viewer*>( vm );
+      if( vtkVM ) vtkVM->setStereoType( mode );
+    }
+#endif
+  }
+#endif
+
+#ifndef DISABLE_VTKVIEWER
+  if ( sec == QString( "VTKViewer" ) && param == QString( "anaglyph_filter" ) )
+  {
+    int mode = resMgr->integerValue( "VTKViewer", "anaglyph_filter", 0 );
+    QList<SUIT_ViewManager*> lst;
+#ifndef DISABLE_SALOMEOBJECT
+    viewManagers( SVTK_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "SVTK_Viewer" ) )
+        continue;
+
+      SVTK_Viewer* vtkVM = dynamic_cast<SVTK_Viewer*>( vm );
+      if( vtkVM ) vtkVM->setAnaglyphFilter( mode );
+    }
+#endif
+  }
+#endif
+
+#ifndef DISABLE_VTKVIEWER
+  if ( sec == QString( "VTKViewer" ) && param == QString( "enable_quad_buffer_support" ) )
+  {
+    int enable = resMgr->booleanValue( "VTKViewer", "enable_quad_buffer_support", false );
+    QList<SUIT_ViewManager*> lst;
+#ifndef DISABLE_SALOMEOBJECT
+    viewManagers( SVTK_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> it( lst );
+    while ( it.hasNext() )
+    {
+      SUIT_ViewModel* vm = it.next()->getViewModel();
+      if ( !vm || !vm->inherits( "SVTK_Viewer" ) )
+        continue;
+
+      SVTK_Viewer* vtkVM = dynamic_cast<SVTK_Viewer*>( vm );
+      if( vtkVM ) vtkVM->setQuadBufferSupport( enable );
+    }
+#endif
+  }
+#endif
+
 #ifndef DISABLE_VTKVIEWER
   if ( sec == QString( "VTKViewer" ) && param == QString( "preselection" ) )
   {
@@ -2947,11 +3594,13 @@ void LightApp_Application::preferencesChanged( const QString& sec, const QString
   }
   if ( sec == "language" && param == "language" )
   {
-    SUIT_MessageBox::information( desktop(), tr( "WRN_WARNING" ), tr( "LANG_CHANGED" ) );
+    // VSR 18.06.2015 : commented out : single warning dialog box is now shown by the LightApp_PreferencesDlg
+    //SUIT_MessageBox::information( desktop(), tr( "WRN_WARNING" ), tr( "LANG_CHANGED" ) );
   }
   if ( sec == "language" && param == "locale")
   {
-    SUIT_MessageBox::information( desktop(), tr( "WRN_WARNING" ), tr( "LOCALE_CHANGED" ) );
+    // VSR 18.06.2015: commented out : single warning dialog box is now shown by the LightApp_PreferencesDlg
+    //SUIT_MessageBox::information( desktop(), tr( "WRN_WARNING" ), tr( "LOCALE_CHANGED" ) );
   }
   if ( sec == "desktop" && param == "opaque_resize" ) {
     bool opaqueResize = resMgr->booleanValue( "desktop", "opaque_resize", false );
@@ -2984,6 +3633,39 @@ void LightApp_Application::preferencesChanged( const QString& sec, const QString
     }
   }
 #endif
+
+#ifndef DISABLE_PYVIEWER
+  if ( sec == QString( "PyViewer" ) && ( param == QString( "HighlightCurrentLine" ) ||
+                                         param == QString( "LineNumberArea" ) ||
+                                         param == QString( "TextWrapping" ) ||
+                                         param == QString( "CenterCursorOnScroll" ) ||
+                                         param == QString( "TabSpaceVisible" ) ||
+                                         param == QString( "TabSize" ) ||
+                                         param == QString( "VerticalEdge" ) ||
+                                         param == QString( "NumberColumns" ) ||
+                                         param == QString( "Font" ) ) )
+  {
+    QList<SUIT_ViewManager*> lst;
+    viewManagers( PyViewer_Viewer::Type(), lst );
+    QListIterator<SUIT_ViewManager*> itPy( lst );
+    while ( itPy.hasNext() )
+    {
+      SUIT_ViewManager* viewMgr = itPy.next();
+      SUIT_ViewModel* vm = viewMgr->getViewModel();
+      if ( !vm || !vm->inherits( "PyViewer_Viewer" ) )
+        continue;
+
+      PyViewer_Viewer* pyEditVM = dynamic_cast<PyViewer_Viewer*>( vm );
+
+      viewMgr->setViewModel( vm );
+      PyViewer_ViewWindow* pyView = dynamic_cast<PyViewer_ViewWindow*>( viewMgr->getActiveView() );
+      if( pyView )
+      {
+        pyView->setPreferences();
+      }
+    }
+  }
+#endif
 }
 
 /*!
@@ -3259,14 +3941,13 @@ void LightApp_Application::loadDockWindowsState()
   else if ( activeStudy() )
     modName = "nomodule";
 
-  QtxResourceMgr::WorkingMode prevMode = aResMgr->workingMode();
-  aResMgr->setWorkingMode( QtxResourceMgr::IgnoreUserValues );
+  QtxResourceMgr::WorkingMode prevMode = aResMgr->setWorkingMode( QtxResourceMgr::IgnoreUserValues );
   QByteArray aDefaultState;
   aResMgr->value( "windows_geometry", modName, aDefaultState );
   QByteArray aDefaultVisibility;
   aResMgr->value( "windows_visibility", modName, aDefaultVisibility );
   bool hasDefaultVisibility = !aDefaultVisibility.isEmpty();
-  aResMgr->setWorkingMode(prevMode);
+  aResMgr->setWorkingMode( prevMode );
   
   if( !storeWin && !storeTb && aDefaultState.isEmpty() && !hasDefaultVisibility)
     return;
@@ -3566,6 +4247,8 @@ void LightApp_Application::setDesktop( SUIT_Desktop* desk )
              this, SLOT( onDesktopMessage( const QString& ) ), Qt::UniqueConnection );
     connect( desk, SIGNAL( windowActivated( SUIT_ViewWindow* ) ),
              this, SLOT( onWindowActivated( SUIT_ViewWindow* ) ), Qt::UniqueConnection );
+    /* connect( desk, SIGNAL( windowMoved( SUIT_ViewWindow* ) ),
+             this, SLOT( onWindowMoved( SUIT_ViewWindow* ) ), Qt::UniqueConnection ); */
   }
 }
 
@@ -3651,7 +4334,7 @@ void LightApp_Application::removeViewManager( SUIT_ViewManager* vm )
            this, SLOT( onCloseView( SUIT_ViewManager* ) ) );
   LightApp_Study* aStudy = dynamic_cast<LightApp_Study*>(activeStudy());
   if (aStudy )
-    aStudy->removeViewMgr(vm->getGlobalId());
+    aStudy->removeObjectProperties( vm->getGlobalId() );
 
   CAM_Application::removeViewManager( vm );
 
@@ -3937,6 +4620,12 @@ QStringList LightApp_Application::viewManagersTypes() const
 #ifndef DISABLE_QXGRAPHVIEWER
   aTypesList<<QxScene_Viewer::Type();
 #endif
+#ifndef DISABLE_PVVIEWER
+  aTypesList<<PVViewer_Viewer::Type();
+#endif
+#ifndef DISABLE_PYVIEWER
+  aTypesList<<PyViewer_Viewer::Type();
+#endif
 #ifndef DISABLE_OCCVIEWER
   aTypesList<<OCCViewer_Viewer::Type();
 #endif
@@ -4125,6 +4814,11 @@ void LightApp_Application::onDesktopMessage( const QString& message )
     // update object browser
     updateObjectBrowser();
   }
+  else if ( message.toLower().startsWith( "activate_viewer" ) ) {
+    QString vtype = message.split( sectionSeparator ).last();
+    if ( !vtype.isEmpty() )
+      getViewManager( vtype, true );
+  }
   else {
     QStringList data = message.split( sectionSeparator );
     if ( data.count() > 1 ) {
@@ -4422,3 +5116,19 @@ bool LightApp_Application::checkExistingDoc()
   return result;
 }
 
+#ifndef DISABLE_PYCONSOLE
+
+PyConsole_Interp* LightApp_Application::getPyInterp()
+{
+  static PyConsole_Interp* myInterp = 0;
+  if ( !myInterp )
+    myInterp = createPyInterp();
+  return myInterp;
+}
+
+PyConsole_Interp* LightApp_Application::createPyInterp()
+{
+  return new LightApp_PyInterp();
+}
+
+#endif // DISABLE_PYCONSOLE