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Issue #6 Extended processing of nested actions.
[modules/shaper.git] / src / XGUI / XGUI_Viewer.cpp
index c8cd002b9b9a3bab4ca329b42979b8174d684be1..23560ca86031d369571e2dcf5d864eb5a43d675e 100644 (file)
@@ -5,6 +5,7 @@
 
 #include <QMdiArea>
 #include <QMdiSubWindow>
+#include <QApplication>
 
 #include <V3d_View.hxx>
 
 #include <Prs3d_LineAspect.hxx>
 #include <V3d_View.hxx>
 #include <Visual3d_View.hxx>
+#include <AIS_ListOfInteractive.hxx>
+#include <AIS_ListIteratorOfListOfInteractive.hxx>
+#include <AIS_Shape.hxx>
+
+#include <QMouseEvent>
 
 #ifdef WIN32
 #include <WNT_Window.hxx>
@@ -28,165 +34,191 @@ XGUI_Viewer::InteractionStyle2StatesMap XGUI_Viewer::myStateMap;
 XGUI_Viewer::InteractionStyle2ButtonsMap XGUI_Viewer::myButtonMap;
 static bool isInitialized = false;
 
-
 /*!
-    Creates viewer 3d [ static ]
-*/
-Handle(V3d_Viewer) CreateViewer( const Standard_ExtString name,
-                                                    const Standard_CString displayName,
-                                                    const Standard_CString domain,
-                                                    const Standard_Real viewSize ,
-                                                    const V3d_TypeOfOrientation viewProjection,
-                                                    const Standard_Boolean computedMode,
-                                                    const Standard_Boolean defaultComputedMode )
+ Creates viewer 3d [ static ]
+ */
+Handle(V3d_Viewer) CreateViewer(const Standard_ExtString name, const Standard_CString displayName,
+                                const Standard_CString domain, const Standard_Real viewSize,
+                                const V3d_TypeOfOrientation viewProjection,
+                                const Standard_Boolean computedMode,
+                                const Standard_Boolean defaultComputedMode)
 {
   static Handle(Graphic3d_GraphicDriver) aGraphicDriver;
-  if (aGraphicDriver.IsNull())
-  {
+  if (aGraphicDriver.IsNull()) {
     Handle(Aspect_DisplayConnection) aDisplayConnection;
 #ifndef WIN32
     aDisplayConnection = new Aspect_DisplayConnection( displayName );
 #else
     aDisplayConnection = new Aspect_DisplayConnection();
 #endif
-    aGraphicDriver = Graphic3d::InitGraphicDriver( aDisplayConnection );
+    aGraphicDriver = Graphic3d::InitGraphicDriver(aDisplayConnection);
   }
 
-  return new V3d_Viewer( aGraphicDriver, name, domain, viewSize, viewProjection,
-                        Quantity_NOC_GRAY30, V3d_ZBUFFER, V3d_GOURAUD, V3d_WAIT,
-                        computedMode, defaultComputedMode, V3d_TEX_NONE );
+  return new V3d_Viewer(aGraphicDriver, name, domain, viewSize, viewProjection, Quantity_NOC_GRAY30,
+                        V3d_ZBUFFER, V3d_GOURAUD, V3d_WAIT, computedMode, defaultComputedMode,
+                        V3d_TEX_NONE);
 }
 
-
 // VSR: Uncomment below line to allow texture background support in OCC viewer
 #define OCC_ENABLE_TEXTURED_BACKGROUND
 
 /*!
 Get data for supported background modes: gradient types, identifiers and supported image formats
-*/
-QString XGUI_Viewer::backgroundData( QStringList& gradList, QIntList& idList, QIntList& txtList )
+ Get data for supported background modes: gradient types, identifiers and supported image formats
+ */
+QString XGUI_Viewer::backgroundData(QStringList& gradList, QIntList& idList, QIntList& txtList)
 {
-  gradList << tr("GT_HORIZONTALGRADIENT")    << tr("GT_VERTICALGRADIENT")       <<
-              tr("GT_FIRSTDIAGONALGRADIENT") << tr("GT_SECONDDIAGONALGRADIENT") <<
-              tr("GT_FIRSTCORNERGRADIENT")   << tr("GT_SECONDCORNERGRADIENT")   <<
-              tr("GT_THIRDCORNERGRADIENT")   << tr("GT_FORTHCORNERGRADIENT");
-  idList   << XGUI::HorizontalGradient << XGUI::VerticalGradient  <<
-              XGUI::Diagonal1Gradient  << XGUI::Diagonal2Gradient <<
-              XGUI::Corner1Gradient    << XGUI::Corner2Gradient   <<
-              XGUI::Corner3Gradient    << XGUI::Corner4Gradient;
+  gradList << tr("Horizontal gradient") << tr("Vertical gradient")
+      << tr("First diagonal gradient") << tr("Second diagonal gradient")
+      << tr("First corner gradient") << tr("Second corner gradient")
+      << tr("Third corner gradient") << tr("Fourth corner gradient");
+  idList << XGUI::HorizontalGradient << XGUI::VerticalGradient << XGUI::Diagonal1Gradient
+      << XGUI::Diagonal2Gradient << XGUI::Corner1Gradient << XGUI::Corner2Gradient
+      << XGUI::Corner3Gradient << XGUI::Corner4Gradient;
 #ifdef OCC_ENABLE_TEXTURED_BACKGROUND
-  txtList  << XGUI::CenterTexture << XGUI::TileTexture << XGUI::StretchTexture;
+  txtList << XGUI::CenterTexture << XGUI::TileTexture << XGUI::StretchTexture;
 #endif
-  return tr("BG_IMAGE_FILES");
+  return tr("Image files (*.bmp *.gif *.pix *.xwd *.rgb *.rs)");
 }
 
-
-
-XGUI_Viewer::XGUI_Viewer(XGUI_MainWindow* theParent, bool DisplayTrihedron) :
-QObject(theParent), 
-    myMainWindow(theParent),
-    myPreselectionEnabled(true),
-    mySelectionEnabled(true),
-    myMultiSelectionEnabled(true),
-    myIsRelative(true),
-    myInteractionStyle(XGUI::STANDARD),
+XGUI_Viewer::XGUI_Viewer(XGUI_MainWindow* theParent, bool DisplayTrihedron)
+    : QObject(theParent), 
+    myMainWindow(theParent), 
+    myPreselectionEnabled(true), 
+    mySelectionEnabled(true), 
+    myMultiSelectionEnabled(true), 
+    myIsRelative(true), 
+    myInteractionStyle(XGUI::STANDARD), 
     myTrihedronSize(100),
     myActiveView(0)
 {
-    if ( !isInitialized ) {
-        isInitialized = true;
+  if (!isInitialized) {
+    isInitialized = true;
 
-        // standard interaction style
-        XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ZOOM]  = Qt::ControlModifier;
-        XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::LeftButton;
+    // standard interaction style
+    XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::ControlModifier;
+    XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ZOOM] = Qt::LeftButton;
 
-        XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::PAN]   = Qt::ControlModifier;
-        XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::PAN]  = Qt::MidButton;
+    XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::PAN] = Qt::ControlModifier;
+    XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::PAN] = Qt::MidButton;
 
-        XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ROTATE]  = Qt::ControlModifier;
-        XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::RightButton;
+    XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::ControlModifier;
+    XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::ROTATE] = Qt::RightButton;
 
-        XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::FIT_AREA]  = Qt::ControlModifier;
-        XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::RightButton;
+    XGUI_Viewer::myStateMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::ControlModifier;
+    XGUI_Viewer::myButtonMap[XGUI::STANDARD][XGUI::FIT_AREA] = Qt::RightButton;
 
-        // "key free" interaction style
-        XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ZOOM]  = Qt::NoModifier;
-        XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::RightButton;
+    // "key free" interaction style
+    XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::NoModifier;
+    XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ZOOM] = Qt::RightButton;
 
-        XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::PAN]   = Qt::NoModifier;
-        XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::PAN]  = Qt::MidButton;
+    XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::PAN] = Qt::NoModifier;
+    XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::PAN] = Qt::MidButton;
 
-        XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ROTATE]  = Qt::NoModifier;
-        XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::LeftButton;
+    XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::NoModifier;
+    XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::ROTATE] = Qt::LeftButton;
 
-        XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::FIT_AREA]  = Qt::NoModifier; // unused
-        XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoButton;   // unused
-    }
+    XGUI_Viewer::myStateMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoModifier; // unused
+    XGUI_Viewer::myButtonMap[XGUI::KEY_FREE][XGUI::FIT_AREA] = Qt::NoButton; // unused
+  }
 
-    // init CasCade viewers
-    myV3dViewer = CreateViewer(TCollection_ExtendedString("Viewer3d").ToExtString(),
-                                                  "", "", 1000.0, V3d_XposYnegZpos, Standard_True, Standard_True );
-    myV3dViewer->SetDefaultLights();
-
-    // init selector
-    myAISContext = new AIS_InteractiveContext( myV3dViewer );
-    myAISContext->SelectionColor( Quantity_NOC_WHITE );
-  
-    // display isoline on planar faces (box for ex.)
-    myAISContext->IsoOnPlane( true );
-  
-    if ( DisplayTrihedron )  {
-        Handle(Geom_Axis2Placement) anAxis = new Geom_Axis2Placement(gp::XOY());
-        myTrihedron = new AIS_Trihedron(anAxis);
-        myTrihedron->SetInfiniteState( Standard_True );
-    
-        Quantity_Color Col(193/255., 205/255., 193/255., Quantity_TOC_RGB);
-        myTrihedron->SetArrowColor( Col.Name() );
-        myTrihedron->SetSize(myTrihedronSize);
-        Handle(AIS_Drawer) drawer = myTrihedron->Attributes();
-        if (drawer->HasDatumAspect()) {
-            Handle(Prs3d_DatumAspect) daspect = drawer->DatumAspect();
-            daspect->FirstAxisAspect()->SetColor(Quantity_Color(1.0, 0.0, 0.0, Quantity_TOC_RGB));
-            daspect->SecondAxisAspect()->SetColor(Quantity_Color(0.0, 1.0, 0.0, Quantity_TOC_RGB));
-            daspect->ThirdAxisAspect()->SetColor(Quantity_Color(0.0, 0.0, 1.0, Quantity_TOC_RGB));
-        }
+  // init CasCade viewers
+  myV3dViewer = CreateViewer(TCollection_ExtendedString("Viewer3d").ToExtString(), "", "", 1000.0,
+                             V3d_XposYnegZpos, Standard_True, Standard_True);
+  myV3dViewer->SetDefaultLights();
+
+  // init selector
+  myAISContext = new AIS_InteractiveContext(myV3dViewer);
+  myAISContext->SelectionColor(Quantity_NOC_WHITE);
+
+  // display isoline on planar faces (box for ex.)
+  myAISContext->IsoOnPlane(true);
+
+  if (DisplayTrihedron) {
+    Handle(Geom_Axis2Placement) anAxis = new Geom_Axis2Placement(gp::XOY());
+    myTrihedron = new AIS_Trihedron(anAxis);
+    myTrihedron->SetInfiniteState( Standard_True);
+
+    Quantity_Color Col(193 / 255., 205 / 255., 193 / 255., Quantity_TOC_RGB);
+    myTrihedron->SetArrowColor(Col.Name());
+    myTrihedron->SetSize(myTrihedronSize);
+    Handle(AIS_Drawer) drawer = myTrihedron->Attributes();
+    if (drawer->HasDatumAspect()) {
+      Handle(Prs3d_DatumAspect) daspect = drawer->DatumAspect();
+      daspect->FirstAxisAspect()->SetColor(Quantity_Color(1.0, 0.0, 0.0, Quantity_TOC_RGB));
+      daspect->SecondAxisAspect()->SetColor(Quantity_Color(0.0, 1.0, 0.0, Quantity_TOC_RGB));
+      daspect->ThirdAxisAspect()->SetColor(Quantity_Color(0.0, 0.0, 1.0, Quantity_TOC_RGB));
     }
-    // set zooming style to standard
-    //myZoomingStyle = 0;
-}
+  }
+  // set zooming style to standard
+  //myZoomingStyle = 0;
 
+  QMdiArea* aMDI = myMainWindow->mdiArea();
+  connect(aMDI, SIGNAL(subWindowActivated(QMdiSubWindow*)), this, SLOT(onWindowActivated(QMdiSubWindow*)));
+
+}
 
 XGUI_Viewer::~XGUI_Viewer(void)
 {
-    myAISContext.Nullify();
-    myV3dViewer.Nullify();
+  myAISContext.Nullify();
+  myV3dViewer.Nullify();
 }
 
-
 QMdiSubWindow* XGUI_Viewer::createView(V3d_TypeOfView theType)
 {
-    // create view frame
-    XGUI_ViewWindow* view = new XGUI_ViewWindow(this, theType);
-    // get main view window (created by view frame)
-    //OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
-    // initialize main view window
-    //initView( vw );
-    // set default background for view window
-    //vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
-    //// connect signal from viewport
+  // create view frame
+  XGUI_ViewWindow* view = new XGUI_ViewWindow(this, theType);
+  // get main view window (created by view frame)
+  //OCCViewer_ViewWindow* vw = view->getView(OCCViewer_ViewFrame::MAIN_VIEW);
+  // initialize main view window
+  //initView( vw );
+  // set default background for view window
+  //vw->setBackground( background(0) ); // 0 means MAIN_VIEW (other views are not yet created here)
+  //// connect signal from viewport
     //connect(view->viewPort(), SIGNAL(vpClosed()), this, SLOT(onViewClosed()));
     //connect(view->viewPort(), SIGNAL(vpMapped()), this, SLOT(onViewMapped()));
     if (myViews.size() == 0) 
         setTrihedronShown(true);
 
-    view->setBackground(XGUI_ViewBackground(XGUI::VerticalGradient, Qt::green, Qt::blue));
+    view->setBackground(XGUI_ViewBackground(XGUI::VerticalGradient, Qt::white, QColor(Qt::blue).lighter()));
+  //view->setBackground(XGUI_ViewBackground(Qt::black));
 
-    QMdiArea* aMDI = myMainWindow->mdiArea();
-    QMdiSubWindow* aWnd = aMDI->addSubWindow(view, Qt::FramelessWindowHint);
+  QMdiArea* aMDI = myMainWindow->mdiArea();
+  QMdiSubWindow* aWnd = aMDI->addSubWindow(view, Qt::FramelessWindowHint);
     addView(aWnd);
-    aWnd->setGeometry(0,0, aMDI->width() / 2, aMDI->height() / 2);
-    aWnd->show();
-    return aWnd;
+  aWnd->setGeometry(0, 0, aMDI->width() / 2, aMDI->height() / 2);
+  aWnd->show();
+  return aWnd;
+}
+
+XGUI_ViewWindow* XGUI_Viewer::activeViewWindow() const
+{
+  return dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
+}
+
+void XGUI_Viewer::getSelectedObjects(AIS_ListOfInteractive& theList)
+{
+  theList.Clear();
+  for (myAISContext->InitSelected(); myAISContext->MoreSelected(); myAISContext->NextSelected())
+    theList.Append(myAISContext->SelectedInteractive());
+}
+
+void XGUI_Viewer::getSelectedShapes(NCollection_List<TopoDS_Shape>& theList)
+{
+  Handle(AIS_InteractiveContext) ic = AISContext();
+
+  for (ic->InitSelected(); ic->MoreSelected(); ic->NextSelected()) {
+    TopoDS_Shape aShape = ic->SelectedShape();
+    if (!aShape.IsNull())
+      theList.Append(aShape);
+  }
+}
+
+void XGUI_Viewer::setObjectsSelected(const AIS_ListOfInteractive& theList)
+{
+  AIS_ListIteratorOfListOfInteractive aIt;
+  for (aIt.Initialize(theList); aIt.More(); aIt.Next())
+    myAISContext->AddOrRemoveSelected(aIt.Value(), false);
+  myAISContext->UpdateCurrentViewer();
 }
 
 /*! Sets hot button
@@ -194,106 +226,119 @@ QMdiSubWindow* XGUI_Viewer::createView(V3d_TypeOfView theType)
  *\param theState - adding state to state map operations.
  *\param theButton - adding state to button map operations.
  */
-void XGUI_Viewer::setHotButton( XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
-                                   Qt::KeyboardModifiers theState, Qt::MouseButtons theButton )
+void XGUI_Viewer::setHotButton(XGUI::InteractionStyle theInteractionStyle,
+                               XGUI::HotOperation theOper, Qt::KeyboardModifiers theState,
+                               Qt::MouseButtons theButton)
 {
-    myStateMap[theInteractionStyle][theOper]  = theState;
-    myButtonMap[theInteractionStyle][theOper] = theButton;
+  myStateMap[theInteractionStyle][theOper] = theState;
+  myButtonMap[theInteractionStyle][theOper] = theButton;
 }
 
 /*! Gets hot button for operation \a theOper.
  *\param theOper - input hot operation
  *\param theState - output state from state map operations.
  *\param theButton - output state from button map operations.
-*/
-void XGUI_Viewer::getHotButton( XGUI::InteractionStyle theInteractionStyle, XGUI::HotOperation theOper,
-                                   Qt::KeyboardModifiers& theState, Qt::MouseButtons& theButton )
+ */
+void XGUI_Viewer::getHotButton(XGUI::InteractionStyle theInteractionStyle,
+                               XGUI::HotOperation theOper, Qt::KeyboardModifiers& theState,
+                               Qt::MouseButtons& theButton)
 {
-    theState  = myStateMap[theInteractionStyle][theOper];
-    theButton = myButtonMap[theInteractionStyle][theOper];
+  theState = myStateMap[theInteractionStyle][theOper];
+  theButton = myButtonMap[theInteractionStyle][theOper];
+}
+
+void XGUI_Viewer::setViewProjection(double theX, double theY, double theZ)
+{
+  XGUI_ViewWindow* aWindow = dynamic_cast<XGUI_ViewWindow*>(myActiveView->widget());
+  if (aWindow) {
+    Handle(V3d_View) aView3d = aWindow->viewPort()->getView();
+    if ( !aView3d.IsNull() ) 
+      aView3d->SetProj(theX, theY, theZ);
+    aWindow->viewPort()->fitAll();
+  }
 }
 
 /*!
 Changes visibility of trihedron to opposite
-*/
+ Changes visibility of trihedron to opposite
+ */
 void XGUI_Viewer::toggleTrihedron()
 {
-    setTrihedronShown( !isTrihedronVisible() );
+  setTrihedronShown(!isTrihedronVisible());
 }
 
 /*!
 \return true if trihedron is visible
-*/
+ \return true if trihedron is visible
+ */
 bool XGUI_Viewer::isTrihedronVisible() const
 {
-    return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed( myTrihedron );
+  return !myTrihedron.IsNull() && !myAISContext.IsNull() && myAISContext->IsDisplayed(myTrihedron);
 }
 
 /*!
 Sets visibility state of trihedron
 \param on - new state
-*/
+ Sets visibility state of trihedron
+ \param on - new state
+ */
 
-void XGUI_Viewer::setTrihedronShown( const bool on )
+void XGUI_Viewer::setTrihedronShown(bool on)
 {
-    if ( myTrihedron.IsNull() )
-        return;
-
-    if ( on ) {
-        myAISContext->Display( myTrihedron );
-        myAISContext->Deactivate(myTrihedron);
-    } else {
-        myAISContext->Erase( myTrihedron );
-    }
+  if (myTrihedron.IsNull())
+    return;
+
+  if (on) {
+    myAISContext->Display(myTrihedron);
+    myAISContext->Deactivate(myTrihedron);
+  } else {
+    myAISContext->Erase(myTrihedron);
+  }
 }
 
 /*!
 \return trihedron size
-*/
+ \return trihedron size
+ */
 double XGUI_Viewer::trihedronSize() const
 {
-    double sz = 0;
-    if ( !myTrihedron.IsNull() )
-        sz = myTrihedron->Size();
-    return sz;
+  double sz = 0;
+  if (!myTrihedron.IsNull())
+    sz = myTrihedron->Size();
+  return sz;
 }
 
 /*!
 Changes trihedron size
 \param sz - new size
-*/
-void XGUI_Viewer::setTrihedronSize( const double sz, bool isRelative )
+ Changes trihedron size
+ \param sz - new size
+ */
+void XGUI_Viewer::setTrihedronSize(const double sz, bool isRelative)
 {
-    if ( myTrihedronSize != sz || isRelative != myIsRelative) {
-        myTrihedronSize = sz; 
-        myIsRelative = isRelative;
-        updateTrihedron();
-    }
+  if (myTrihedronSize != sz || isRelative != myIsRelative) {
+    myTrihedronSize = sz;
+    myIsRelative = isRelative;
+    updateTrihedron();
+  }
 }
 
 /*! 
  * Update the size of the trihedron
  */
-void XGUI_Viewer::updateTrihedron() 
+void XGUI_Viewer::updateTrihedron()
 {
-    if ( myTrihedron.IsNull() )
-        return;
+  if (myTrihedron.IsNull())
+    return;
 
-    if(myIsRelative){
-        double newSz, oldSz;
-    
-        if(computeTrihedronSize(newSz, oldSz))
-            myTrihedron->SetSize(newSz);
-    
-    } else if(myTrihedron->Size() != myTrihedronSize) {
-        myTrihedron->SetSize(myTrihedronSize);
-    }
+  if (myIsRelative) {
+    double newSz, oldSz;
+
+    if (computeTrihedronSize(newSz, oldSz))
+      myTrihedron->SetSize(newSz);
+
+  } else if (myTrihedron->Size() != myTrihedronSize) {
+    myTrihedron->SetSize(myTrihedronSize);
+  }
 }
 
 /*!
 Get new and current trihedron size corresponding to the current model size
-*/
-bool XGUI_Viewer::computeTrihedronSize( double& theNewSize, double& theSize )
+ Get new and current trihedron size corresponding to the current model size
+ */
+bool XGUI_Viewer::computeTrihedronSize(double& theNewSize, double& theSize)
 {
   theNewSize = 100;
   theSize = 100;
@@ -301,42 +346,43 @@ bool XGUI_Viewer::computeTrihedronSize( double& theNewSize, double& theSize )
   //SRN: BUG IPAL8996, a usage of method ActiveView without an initialization
   Handle(V3d_Viewer) viewer = v3dViewer();
   viewer->InitActiveViews();
-  if(!viewer->MoreActiveViews()) return false;
+  if (!viewer->MoreActiveViews())
+    return false;
 
   Handle(V3d_View) view3d = viewer->ActiveView();
   //SRN: END of fix
 
-  if ( view3d.IsNull() )
+  if (view3d.IsNull())
     return false;
 
   double Xmin = 0, Ymin = 0, Zmin = 0, Xmax = 0, Ymax = 0, Zmax = 0;
   double aMaxSide;
 
-  view3d->View()->MinMaxValues( Xmin, Ymin, Zmin, Xmax, Ymax, Zmax );
+  view3d->View()->MinMaxValues(Xmin, Ymin, Zmin, Xmax, Ymax, Zmax);
 
-  if ( Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() ||
-       Xmax == RealLast()  || Ymax == RealLast()  || Zmax == RealLast() )
+  if (Xmin == RealFirst() || Ymin == RealFirst() || Zmin == RealFirst() || Xmax == RealLast()
+      || Ymax == RealLast() || Zmax == RealLast())
     return false;
 
   aMaxSide = Xmax - Xmin;
-  if ( aMaxSide < Ymax -Ymin ) aMaxSide = Ymax -Ymin;
-  if ( aMaxSide < Zmax -Zmin ) aMaxSide = Zmax -Zmin;
+  if (aMaxSide < Ymax - Ymin)
+    aMaxSide = Ymax - Ymin;
+  if (aMaxSide < Zmax - Zmin)
+    aMaxSide = Zmax - Zmin;
 
   // IPAL21687
   // The boundary box of the view may be initialized but nullified
   // (case of infinite objects)
-  if ( aMaxSide < Precision::Confusion() )
+  if (aMaxSide < Precision::Confusion())
     return false;
 
-  static float EPS = 5.0E-3;
+  static float EPS = (float)5.0E-3;
   theSize = trihedron()->Size();
   //theNewSize = aMaxSide*aSizeInPercents / 100.0;
 
-  return fabs( theNewSize - theSize ) > theSize * EPS ||
-         fabs( theNewSize - theSize) > theNewSize * EPS;
+  return fabs(theNewSize - theSize) > theSize * EPS || fabs(theNewSize - theSize) > theNewSize * EPS;
 }
 
-
 void XGUI_Viewer::onViewClosed(QMdiSubWindow* theView)
 {
     if ( !theView )
@@ -375,7 +421,7 @@ void XGUI_Viewer::removeView( QMdiSubWindow* theView )
 
 /*void XGUI_Viewer::onViewMapped()
 {
-  setTrihedronShown( true );
+  setTrihedronShown(true);
 }*/
 
 
@@ -407,8 +453,14 @@ void XGUI_Viewer::addView(QMdiSubWindow* theView)
     connect(aWindow, SIGNAL(keyReleased(XGUI_ViewWindow*, QKeyEvent*)),
             this,    SIGNAL(keyRelease(XGUI_ViewWindow*, QKeyEvent*)));
 
-    connect(aWindow, SIGNAL(contextMenuRequested( QContextMenuEvent* )),
-            this,    SLOT  (onContextMenuRequested( QContextMenuEvent* )));
+//    connect(aWindow, SIGNAL(contextMenuRequested( QContextMenuEvent* )),
+//            this,    SLOT  (onContextMenuRequested( QContextMenuEvent* )));
+
+    connect(aWindow, SIGNAL(mouseMoving(XGUI_ViewWindow*, QMouseEvent*)),
+            this, SLOT(onMouseMove(XGUI_ViewWindow*, QMouseEvent*)));
+
+    connect(aWindow, SIGNAL(mouseReleased(XGUI_ViewWindow*, QMouseEvent*)),
+            this, SLOT(onMouseReleased(XGUI_ViewWindow*, QMouseEvent*)));
 
     myViews.append(theView);
 }
@@ -418,5 +470,54 @@ void XGUI_Viewer::addView(QMdiSubWindow* theView)
 */
 void XGUI_Viewer::onWindowActivated(QMdiSubWindow* view)
 {
+  if (view && (view != myActiveView) && (!view->isMinimized())) {
     myActiveView = view;
+    ((XGUI_ViewWindow*)myActiveView->widget())->windowActivated();
+    QList<QMdiSubWindow*>::iterator aIt;
+    for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
+      if ((*aIt) != myActiveView) {
+        ((XGUI_ViewWindow*)(*aIt)->widget())->windowDeactivated();
+      }
+    }
+  }
+}
+
+
+void XGUI_Viewer::onWindowMinimized(QMdiSubWindow* theWnd)
+{
+  if (myActiveView == theWnd) {
+    myActiveView = 0;
+    QList<QMdiSubWindow*>::iterator aIt;
+    for (aIt = myViews.begin(); aIt != myViews.end(); ++aIt) {
+      if (!(*aIt)->widget()->isMinimized()) {
+        (*aIt)->raise();
+        onWindowActivated(*aIt);
+        break;
+      }
+    }
+  }
+}
+
+/*!
+  SLOT: called on mouse move, processes hilighting
+*/
+void XGUI_Viewer::onMouseMove(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+  XGUI_ViewPort* aViewPort = theWindow->viewPort();
+  Handle(V3d_View) aView3d = aViewPort->getView();
+
+  if ( !aView3d.IsNull() ) {
+    myAISContext->MoveTo(theEvent->x(), theEvent->y(), aView3d);
+    mouseMoved(theEvent->pos());
+  }
+}
+
+/*!
+  SLOT: called on mouse button release, finishes selection
+*/
+void XGUI_Viewer::onMouseReleased(XGUI_ViewWindow* theWindow, QMouseEvent* theEvent)
+{
+  myAISContext->Select();
+
+  emit mouseReleased(theEvent->pos());
 }