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Merge from BR_phase16 branch (09/12/09)
[modules/smesh.git] / src / SMESHGUI / SMESHGUI_ClippingDlg.cxx
index 2190ea2d545a1b4a6942f3ad93b581efb9cf10d1..be11acf6cd20a9c0955a1b37113c7d7c7656c18b 100644 (file)
-//  SMESH SMESHGUI : GUI for SMESH component
+//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
 //
-//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
-// 
-//  This library is free software; you can redistribute it and/or 
-//  modify it under the terms of the GNU Lesser General Public 
-//  License as published by the Free Software Foundation; either 
-//  version 2.1 of the License. 
-// 
-//  This library is distributed in the hope that it will be useful, 
-//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
-//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
-//  Lesser General Public License for more details. 
-// 
-//  You should have received a copy of the GNU Lesser General Public 
-//  License along with this library; if not, write to the Free Software 
-//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
-// 
-//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
+//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
 //
+//  This library is free software; you can redistribute it and/or
+//  modify it under the terms of the GNU Lesser General Public
+//  License as published by the Free Software Foundation; either
+//  version 2.1 of the License.
 //
+//  This library is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+//  Lesser General Public License for more details.
+//
+//  You should have received a copy of the GNU Lesser General Public
+//  License along with this library; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// SMESH SMESHGUI : GUI for SMESH component
+// File   : SMESHGUI_ClippingDlg.cxx
+// Author : Nicolas REJNERI, Open CASCADE S.A.S.
+// SMESH includes
 //
-//  File   : SMESHGUI_ClippingDlg.cxx
-//  Author : Nicolas REJNERI
-//  Module : SMESH
-//  $Header$
-
 #include "SMESHGUI_ClippingDlg.h"
 
 #include "SMESHGUI.h"
 #include "SMESHGUI_Utils.h"
 #include "SMESHGUI_VTKUtils.h"
+#include "SMESHGUI_SpinBox.h"
 
-#include <algorithm>
+#include <SMESH_Actor.h>
+#include <SMESH_ActorUtils.h>
 
-// QT Includes
-#include <qlabel.h>
-#include <qpushbutton.h>
-#include <qcombobox.h>
-#include <qcheckbox.h>
-#include <qlayout.h>
-#include <qgroupbox.h>
+// SALOME GUI includes
+#include <SUIT_Desktop.h>
+#include <SUIT_Session.h>
+#include <SUIT_OverrideCursor.h>
+#include <SUIT_MessageBox.h>
+#include <SUIT_ResourceMgr.h>
 
-#include <vtkMath.h>
-#include <vtkCamera.h>
-#include <vtkRenderer.h>
-#include <vtkImplicitBoolean.h>
-#include <vtkImplicitFunctionCollection.h>
-#include <vtkObjectFactory.h>
-
-#include <vtkDataSet.h>
-#include <vtkDataSetMapper.h>
-#include <vtkPlaneSource.h>
-#include <vtkPolyData.h>
+#include <SALOME_ListIO.hxx>
 
-#include "VTKViewer_ViewFrame.h"
-#include "QAD_RightFrame.h"
-#include "QAD_WaitCursor.h"
-#include "SALOME_ListIteratorOfListIO.hxx"
-#include "SMESH_Actor.h"
-#include "SALOME_Selection.h"
-#include "SALOME_InteractiveObject.hxx"
-#include "SMESH_ActorUtils.h"
+#include <LightApp_Application.h>
+#include <LightApp_SelectionMgr.h>
 
-#include "VTKViewer_ViewFrame.h"
-#include "VTKViewer_RenderWindow.h"
+#include <SVTK_ViewWindow.h>
 
-#include <vtkRenderer.h>
+// Qt includes
+#include <QLabel>
+#include <QPushButton>
+#include <QComboBox>
+#include <QCheckBox>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QGridLayout>
+#include <QGroupBox>
+#include <QKeyEvent>
 
-using namespace std;
+// VTK includes
+#include <vtkMath.h>
+#include <vtkPlane.h>
+#include <vtkDataSet.h>
+#include <vtkDataSetMapper.h>
+#include <vtkPlaneSource.h>
+#include <vtkProperty.h>
 
+#define SPACING 6
+#define MARGIN  11
 
 class OrientedPlane: public vtkPlane
 {
-  QAD_Study* myStudy;
-  QAD_StudyFrame* myStudyFrame;
-  VTKViewer_ViewFrame* myViewFrame;
-  
-  vtkDataSetMapper* myMapper;
+  QPointer<SVTK_ViewWindow> myViewWindow;
 
+  vtkDataSetMapper* myMapper;
 
 public:
-  static OrientedPlane *New(){
+  static OrientedPlane *New()
+  {
     return new OrientedPlane();
   }
-  static OrientedPlane *New(QAD_Study* theStudy){
-    return new OrientedPlane(theStudy);
+  static OrientedPlane *New(SVTK_ViewWindow* theViewWindow)
+  {
+    return new OrientedPlane(theViewWindow);
   }
-  vtkTypeMacro(OrientedPlane, vtkPlane);
-  
-  
+  vtkTypeMacro (OrientedPlane, vtkPlane);
+
   SMESH::Orientation myOrientation;
   float myDistance;
   double myAngle[2];
 
   vtkPlaneSource* myPlaneSource;
   SALOME_Actor *myActor;
-  
-  void SetOrientation(SMESH::Orientation theOrientation) {myOrientation = theOrientation;}
-  SMESH::Orientation GetOrientation() {return myOrientation;}
 
-  void SetDistance(float theDistance) {myDistance = theDistance;}
-  float GetDistance() {return myDistance;}
+  void SetOrientation (SMESH::Orientation theOrientation) { myOrientation = theOrientation; }
+  SMESH::Orientation GetOrientation() { return myOrientation; }
+
+  void SetDistance (float theDistance) { myDistance = theDistance; }
+  float GetDistance() { return myDistance; }
 
-  void ShallowCopy(OrientedPlane* theOrientedPlane){
+  void ShallowCopy (OrientedPlane* theOrientedPlane)
+  {
     SetNormal(theOrientedPlane->GetNormal());
     SetOrigin(theOrientedPlane->GetOrigin());
 
@@ -120,83 +118,76 @@ public:
   }
 
 protected:
-  OrientedPlane(QAD_Study* theStudy):
+  OrientedPlane(SVTK_ViewWindow* theViewWindow):
+    myViewWindow(theViewWindow),
     myOrientation(SMESH::XY),
-    myDistance(0.5),
-    myStudy(theStudy),
-    myStudyFrame(theStudy->getActiveStudyFrame()),
-    myViewFrame(SMESH::GetVtkViewFrame(theStudy->getActiveStudyFrame()))
+    myDistance(0.5)
   {
     Init();
-    myViewFrame->AddActor( myActor );
+    myViewWindow->AddActor(myActor);
   }
 
   OrientedPlane():
     myOrientation(SMESH::XY),
-    myDistance(0.5),
-    myStudy(NULL),
-    myStudyFrame(NULL),
-    myViewFrame(NULL)
+    myViewWindow(NULL),
+    myDistance(0.5)
   {
     Init();
   }
 
-  void Init(){
+  void Init()
+  {
     myPlaneSource = vtkPlaneSource::New();
 
     myAngle[0] = myAngle[1] = 0.0;
 
     // Create and display actor
     myMapper = vtkDataSetMapper::New();
-    myMapper->SetInput( myPlaneSource->GetOutput() );
-    
+    myMapper->SetInput(myPlaneSource->GetOutput());
+
     myActor = SALOME_Actor::New();
     myActor->VisibilityOff();
     myActor->PickableOff();
     myActor->SetInfinitive(true);
-    myActor->SetMapper( myMapper );
+    myActor->SetMapper(myMapper);
 
+    vtkFloatingPointType anRGB[3];
     vtkProperty* aProp = vtkProperty::New();
-    float anRGB[3];
-    anRGB[0] = SMESH::GetFloat("SMESH:SettingsFillColorRed", 0)/255.;
-    anRGB[1] = SMESH::GetFloat("SMESH:SettingsFillColorGreen", 170)/255.;
-    anRGB[2] = SMESH::GetFloat("SMESH:SettingsFillColorBlue", 255)/255.;
+    SMESH::GetColor( "SMESH", "fill_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
     aProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
     aProp->SetOpacity(0.75);
-    myActor->SetProperty( aProp );
+    myActor->SetProperty(aProp);
     aProp->Delete();
-    
+
     vtkProperty* aBackProp = vtkProperty::New();
-    anRGB[0] = SMESH::GetFloat("SMESH:SettingsBackFaceColorRed", 0)/255.;
-    anRGB[1] = SMESH::GetFloat("SMESH:SettingsBackFaceColorGreen", 0)/255.;
-    anRGB[2] = SMESH::GetFloat("SMESH:SettingsBackFaceColorBlue", 255)/255.;
+    SMESH::GetColor( "SMESH", "backface_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 0, 255 ) );
     aBackProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
     aBackProp->SetOpacity(0.75);
-    myActor->SetBackfaceProperty( aBackProp );
+    myActor->SetBackfaceProperty(aBackProp);
     aBackProp->Delete();
   }
 
   ~OrientedPlane(){
-    if(myStudy && SMESH::FindVtkViewFrame(myStudy,myStudyFrame)){
-      myViewFrame->RemoveActor(myActor);
-    }
+    if (myViewWindow)
+      myViewWindow->RemoveActor(myActor);
     myActor->Delete();
     
     myMapper->RemoveAllInputs();
     myMapper->Delete();
-    
-    myPlaneSource->UnRegisterAllOutputs();
+
+    // commented: porting to vtk 5.0
+    //    myPlaneSource->UnRegisterAllOutputs();
     myPlaneSource->Delete();
   };
-  
+
 private:
   // Not implemented.
-  OrientedPlane(const OrientedPlane&); 
-  void operator=(const OrientedPlane&);
+  OrientedPlane (const OrientedPlane&);
+  void operator= (const OrientedPlane&);
 
 };
 
-struct TSetVisiblity{
+struct TSetVisiblity {
   TSetVisiblity(int theIsVisible): myIsVisible(theIsVisible){}
   void operator()(SMESH::TVTKPlane& theOrientedPlane){
     theOrientedPlane->myActor->SetVisibility(myIsVisible);
@@ -204,173 +195,275 @@ struct TSetVisiblity{
   int myIsVisible;
 };
 
+//=================================================================================
+// used in SMESHGUI::restoreVisualParameters() to avoid
+// declaration of OrientedPlane outside of SMESHGUI_ClippingDlg.cxx
+//=================================================================================
+void SMESHGUI_ClippingDlg::AddPlane (SMESH_Actor*         theActor,
+                                     SVTK_ViewWindow*     theViewWindow,
+                                     SMESH::Orientation   theOrientation,
+                                     double               theDistance,
+                                     vtkFloatingPointType theAngle[2])
+{
+  OrientedPlane* aPlane = OrientedPlane::New(theViewWindow);
+
+  aPlane->myAngle[0] = theAngle[0];
+  aPlane->myAngle[1] = theAngle[1];
+
+  aPlane->SetOrientation(theOrientation);
+  aPlane->SetDistance(theDistance);
+
+  vtkFloatingPointType aNormal[3];
+  vtkFloatingPointType aDir[2][3] = {{0, 0, 0}, {0, 0, 0}};
+  {
+    static double aCoeff = vtkMath::Pi()/180.0;
+
+    vtkFloatingPointType anU[2] = {cos(aCoeff * theAngle[0]), cos(aCoeff * theAngle[1])};
+    vtkFloatingPointType aV[2] = {sqrt(1.0 - anU[0]*anU[0]), sqrt(1.0 - anU[1]*anU[1])};
+    aV[0] = theAngle[0] > 0? aV[0]: -aV[0];
+    aV[1] = theAngle[1] > 0? aV[1]: -aV[1];
+
+    switch (theOrientation) {
+    case SMESH::XY:
+      aDir[0][1] = anU[0];
+      aDir[0][2] = aV[0];
+
+      aDir[1][0] = anU[1];
+      aDir[1][2] = aV[1];
+
+      break;
+    case SMESH::YZ:
+      aDir[0][2] = anU[0];
+      aDir[0][0] = aV[0];
+
+      aDir[1][1] = anU[1];
+      aDir[1][0] = aV[1];
+
+      break;
+    case SMESH::ZX:
+      aDir[0][0] = anU[0];
+      aDir[0][1] = aV[0];
+
+      aDir[1][2] = anU[1];
+      aDir[1][1] = aV[1];
+
+      break;
+    }
+
+    vtkMath::Cross(aDir[1],aDir[0],aNormal);
+    vtkMath::Normalize(aNormal);
+    vtkMath::Cross(aNormal,aDir[1],aDir[0]);
+  }
+
+  // ???
+  theActor->SetPlaneParam(aNormal, theDistance, aPlane);
+
+  vtkDataSet* aDataSet = theActor->GetInput();
+  vtkFloatingPointType *aPnt = aDataSet->GetCenter();
+
+  vtkFloatingPointType* anOrigin = aPlane->GetOrigin();
+  vtkFloatingPointType aDel = aDataSet->GetLength()/2.0;
+
+  vtkFloatingPointType aDelta[2][3] = {{aDir[0][0]*aDel, aDir[0][1]*aDel, aDir[0][2]*aDel},
+                                       {aDir[1][0]*aDel, aDir[1][1]*aDel, aDir[1][2]*aDel}};
+  vtkFloatingPointType aParam, aPnt0[3], aPnt1[3], aPnt2[3];
+
+  vtkFloatingPointType aPnt01[3] = {aPnt[0] - aDelta[0][0] - aDelta[1][0],
+                                    aPnt[1] - aDelta[0][1] - aDelta[1][1],
+                                    aPnt[2] - aDelta[0][2] - aDelta[1][2]};
+  vtkFloatingPointType aPnt02[3] = {aPnt01[0] + aNormal[0],
+                                    aPnt01[1] + aNormal[1],
+                                    aPnt01[2] + aNormal[2]};
+  vtkPlane::IntersectWithLine(aPnt01,aPnt02,aNormal,anOrigin,aParam,aPnt0);
+
+  vtkFloatingPointType aPnt11[3] = {aPnt[0] - aDelta[0][0] + aDelta[1][0],
+                                    aPnt[1] - aDelta[0][1] + aDelta[1][1],
+                                    aPnt[2] - aDelta[0][2] + aDelta[1][2]};
+  vtkFloatingPointType aPnt12[3] = {aPnt11[0] + aNormal[0],
+                                    aPnt11[1] + aNormal[1],
+                                    aPnt11[2] + aNormal[2]};
+  vtkPlane::IntersectWithLine(aPnt11,aPnt12,aNormal,anOrigin,aParam,aPnt1);
+
+  vtkFloatingPointType aPnt21[3] = {aPnt[0] + aDelta[0][0] - aDelta[1][0],
+                                    aPnt[1] + aDelta[0][1] - aDelta[1][1],
+                                    aPnt[2] + aDelta[0][2] - aDelta[1][2]};
+  vtkFloatingPointType aPnt22[3] = {aPnt21[0] + aNormal[0],
+                                    aPnt21[1] + aNormal[1],
+                                    aPnt21[2] + aNormal[2]};
+  vtkPlane::IntersectWithLine(aPnt21,aPnt22,aNormal,anOrigin,aParam,aPnt2);
+
+  vtkPlaneSource* aPlaneSource = aPlane->myPlaneSource;
+  aPlaneSource->SetNormal(aNormal[0],aNormal[1],aNormal[2]);
+  aPlaneSource->SetOrigin(aPnt0[0],aPnt0[1],aPnt0[2]);
+  aPlaneSource->SetPoint1(aPnt1[0],aPnt1[1],aPnt1[2]);
+  aPlaneSource->SetPoint2(aPnt2[0],aPnt2[1],aPnt2[2]);
+
+  theActor->AddClippingPlane(aPlane);
+  aPlane->Delete();
+}
+
+//=================================================================================
+// used in SMESHGUI::restoreVisualParameters() to avoid
+// declaration of OrientedPlane outside of SMESHGUI_ClippingDlg.cxx
+//=================================================================================
+void SMESHGUI_ClippingDlg::GetPlaneParam (SMESH_Actor*          theActor,
+                                          int                   thePlaneIndex,
+                                          SMESH::Orientation&   theOrientation,
+                                          double&               theDistance,
+                                          vtkFloatingPointType* theAngle)
+{
+  if (vtkPlane* aPln = theActor->GetClippingPlane(thePlaneIndex)) {
+    if (OrientedPlane* aPlane = OrientedPlane::SafeDownCast(aPln)) {
+      theOrientation = aPlane->GetOrientation();
+      theDistance = aPlane->GetDistance();
+      theAngle[0] = aPlane->myAngle[0];
+      theAngle[1] = aPlane->myAngle[1];
+    }
+  }
+}
 
 //=================================================================================
 // class    : SMESHGUI_ClippingDlg()
-// purpose  : 
+// purpose  :
 //
 //=================================================================================
-SMESHGUI_ClippingDlg::SMESHGUI_ClippingDlg( QWidget* parent,
-                                           const char* name,
-                                           bool modal,
-                                           WFlags fl )
-  : QDialog( parent, name, modal, WStyle_Customize | WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu | WDestructiveClose )
+SMESHGUI_ClippingDlg::SMESHGUI_ClippingDlg( SMESHGUI* theModule ):
+  QDialog( SMESH::GetDesktop(theModule) ),
+  mySelector(SMESH::GetViewWindow(theModule)->GetSelector()),
+  mySelectionMgr(SMESH::GetSelectionMgr(theModule)),
+  mySMESHGUI(theModule)
 {
-  if ( !name )
-    setName( "SMESHGUI_ClippingDlg" );
-  setCaption( tr( "SMESH_CLIPPING_TITLE"  ) );
-  setSizeGripEnabled( TRUE );
-  QGridLayout* SMESHGUI_ClippingDlgLayout = new QGridLayout( this ); 
-  SMESHGUI_ClippingDlgLayout->setSpacing( 6 );
-  SMESHGUI_ClippingDlgLayout->setMargin( 11 );
+  setModal( false );
+  setAttribute( Qt::WA_DeleteOnClose, true );
+  setWindowTitle(tr("SMESH_CLIPPING_TITLE"));
+  setSizeGripEnabled(true);
+
+  QVBoxLayout* SMESHGUI_ClippingDlgLayout = new QVBoxLayout(this);
+  SMESHGUI_ClippingDlgLayout->setSpacing(SPACING);
+  SMESHGUI_ClippingDlgLayout->setMargin(MARGIN);
 
   // Controls for selecting, creating, deleting planes
-  QGroupBox* GroupPlanes = new QGroupBox( this, "GroupPlanes" );
-  GroupPlanes->setTitle( tr("Clipping planes") );
-  GroupPlanes->setColumnLayout(0, Qt::Vertical);
-  GroupPlanes->layout()->setSpacing( 0 );
-  GroupPlanes->layout()->setMargin( 0 );
-  QGridLayout* GroupPlanesLayout = new QGridLayout( GroupPlanes->layout() );
-  GroupPlanesLayout->setAlignment( Qt::AlignTop );
-  GroupPlanesLayout->setSpacing( 6 );
-  GroupPlanesLayout->setMargin( 11 );
-  
-  ComboBoxPlanes = new QComboBox(GroupPlanes, "ComboBoxPlanes");
-  GroupPlanesLayout->addWidget( ComboBoxPlanes, 0, 0 );
-  
-  QSpacerItem* spacerGP = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
-  GroupPlanesLayout->addItem( spacerGP, 0, 1 );
-  
-  buttonNew = new QPushButton( GroupPlanes, "buttonNew" );
-  buttonNew->setText( tr( "SMESH_BUT_NEW"  ) );
-  GroupPlanesLayout->addWidget( buttonNew, 0, 2 );
-  
-  buttonDelete = new QPushButton( GroupPlanes, "buttonDelete" );
-  buttonDelete->setText( tr( "SMESH_BUT_DELETE"  ) );
-  GroupPlanesLayout->addWidget( buttonDelete, 0, 3 );
+  QGroupBox* GroupPlanes = new QGroupBox(tr("Clipping planes"), this);
+  QHBoxLayout* GroupPlanesLayout = new QHBoxLayout(GroupPlanes);
+  GroupPlanesLayout->setSpacing(SPACING);
+  GroupPlanesLayout->setMargin(MARGIN);
+
+  ComboBoxPlanes = new QComboBox(GroupPlanes);
+
+  buttonNew = new QPushButton(tr("SMESH_BUT_NEW"), GroupPlanes);
+
+  buttonDelete = new QPushButton(tr("SMESH_BUT_DELETE"), GroupPlanes);
+
+  GroupPlanesLayout->addWidget(ComboBoxPlanes);
+  GroupPlanesLayout->addStretch();
+  GroupPlanesLayout->addWidget(buttonNew);
+  GroupPlanesLayout->addWidget(buttonDelete);
 
   // Controls for defining plane parameters
-  QGroupBox* GroupParameters = new QGroupBox( this, "GroupParameters" );
-  GroupParameters->setTitle( tr("SMESH_PARAMETERS") );
-  GroupParameters->setColumnLayout(0, Qt::Vertical);
-  GroupParameters->layout()->setSpacing( 0 );
-  GroupParameters->layout()->setMargin( 0 );
-  QGridLayout* GroupParametersLayout = new QGridLayout( GroupParameters->layout() );
-  GroupParametersLayout->setAlignment( Qt::AlignTop );
-  GroupParametersLayout->setSpacing( 6 );
-  GroupParametersLayout->setMargin( 11 );
-  
-  TextLabelOrientation = new QLabel( GroupParameters, "TextLabelOrientation" );
-  TextLabelOrientation->setText( tr("SMESH_ORIENTATION") );
-  GroupParametersLayout->addWidget( TextLabelOrientation, 0, 0 );
-  
-  ComboBoxOrientation = new QComboBox(GroupParameters, "ComboBoxOrientation");
-  GroupParametersLayout->addWidget( ComboBoxOrientation, 0, 1 );
-  
-  TextLabelDistance = new QLabel( GroupParameters, "TextLabelDistance" );
-  TextLabelDistance->setText( tr("SMESH_DISTANCE") );
-  GroupParametersLayout->addWidget( TextLabelDistance, 1, 0 );
-
-  SpinBoxDistance = new SMESHGUI_SpinBox( GroupParameters, "SpinBoxDistance" );
-  GroupParametersLayout->addWidget( SpinBoxDistance, 1, 1 );
-
-  TextLabelRot1 = new QLabel( GroupParameters, "TextLabelRot1" );
-  TextLabelRot1->setText( tr("Rotation around X (Y to Z):") );
-  GroupParametersLayout->addWidget( TextLabelRot1, 2, 0 );
-
-  SpinBoxRot1 = new SMESHGUI_SpinBox( GroupParameters, "SpinBoxRot1" );
-  GroupParametersLayout->addWidget( SpinBoxRot1, 2, 1 );
-  TextLabelRot2 = new QLabel( GroupParameters, "TextLabelRot2" );
-  TextLabelRot2->setText( tr("Rotation around Y (X to Z):") );
-  GroupParametersLayout->addWidget( TextLabelRot2, 3, 0 );
-  
-  SpinBoxRot2 = new SMESHGUI_SpinBox( GroupParameters, "SpinBoxRot2" );
-  GroupParametersLayout->addWidget( SpinBoxRot2, 3, 1 );
+  QGroupBox* GroupParameters = new QGroupBox(tr("SMESH_PARAMETERS"), this);
+  QGridLayout* GroupParametersLayout = new QGridLayout(GroupParameters);
+  GroupParametersLayout->setSpacing(SPACING);
+  GroupParametersLayout->setMargin(MARGIN);
+
+  TextLabelOrientation = new QLabel(tr("SMESH_ORIENTATION"), GroupParameters);
+
+  ComboBoxOrientation = new QComboBox(GroupParameters);
+
+  TextLabelDistance = new QLabel(tr("SMESH_DISTANCE"), GroupParameters);
+
+  SpinBoxDistance = new SMESHGUI_SpinBox(GroupParameters);
+
+  TextLabelRot1 = new QLabel(tr("Rotation around X (Y to Z):"), GroupParameters);
+
+  SpinBoxRot1 = new SMESHGUI_SpinBox(GroupParameters);
+
+  TextLabelRot2 = new QLabel(tr("Rotation around Y (X to Z):"), GroupParameters);
+
+  SpinBoxRot2 = new SMESHGUI_SpinBox(GroupParameters);
 
   PreviewCheckBox = new QCheckBox(tr("Show preview"), GroupParameters);
   PreviewCheckBox->setChecked(true);
-  GroupParametersLayout->addWidget( PreviewCheckBox, 4, 0 );
 
   AutoApplyCheckBox = new QCheckBox(tr("Auto Apply"), GroupParameters);
   AutoApplyCheckBox->setChecked(false);
-  GroupParametersLayout->addWidget( AutoApplyCheckBox, 4, 1 );
-   
+
+  GroupParametersLayout->addWidget(TextLabelOrientation, 0, 0);
+  GroupParametersLayout->addWidget(ComboBoxOrientation,  0, 1);
+  GroupParametersLayout->addWidget(TextLabelDistance,    1, 0);
+  GroupParametersLayout->addWidget(SpinBoxDistance,      1, 1);
+  GroupParametersLayout->addWidget(TextLabelRot1,        2, 0);
+  GroupParametersLayout->addWidget(SpinBoxRot1,          2, 1);
+  GroupParametersLayout->addWidget(TextLabelRot2,        3, 0);
+  GroupParametersLayout->addWidget(SpinBoxRot2,          3, 1);
+  GroupParametersLayout->addWidget(PreviewCheckBox,      4, 0);
+  GroupParametersLayout->addWidget(AutoApplyCheckBox,    4, 1);
+
   // Controls for "Ok", "Apply" and "Close" button
-  QGroupBox* GroupButtons = new QGroupBox( this, "GroupButtons" );
-  GroupButtons->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)7, (QSizePolicy::SizeType)0, 0, 0, GroupButtons->sizePolicy().hasHeightForWidth() ) );
-  GroupButtons->setGeometry( QRect( 10, 10, 281, 48 ) ); 
-  GroupButtons->setTitle( tr( ""  ) );
-  GroupButtons->setColumnLayout(0, Qt::Vertical );
-  GroupButtons->layout()->setSpacing( 0 );
-  GroupButtons->layout()->setMargin( 0 );
-  QGridLayout* GroupButtonsLayout = new QGridLayout( GroupButtons->layout() );
-  GroupButtonsLayout->setAlignment( Qt::AlignTop );
-  GroupButtonsLayout->setSpacing( 6 );
-  GroupButtonsLayout->setMargin( 11 );
-  buttonCancel = new QPushButton( GroupButtons, "buttonCancel" );
-  buttonCancel->setText( tr( "SMESH_BUT_CLOSE"  ) );
-  buttonCancel->setAutoDefault( TRUE );
-  GroupButtonsLayout->addWidget( buttonCancel, 0, 3 );
-  buttonApply = new QPushButton( GroupButtons, "buttonApply" );
-  buttonApply->setText( tr( "SMESH_BUT_APPLY"  ) );
-  buttonApply->setAutoDefault( TRUE );
-  GroupButtonsLayout->addWidget( buttonApply, 0, 1 );
-  QSpacerItem* spacer_9 = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
-  GroupButtonsLayout->addItem( spacer_9, 0, 2 );
-  buttonOk = new QPushButton( GroupButtons, "buttonOk" );
-  buttonOk->setText( tr( "SMESH_BUT_OK"  ) );
-  buttonOk->setAutoDefault( TRUE );
-  buttonOk->setDefault( TRUE );
-  GroupButtonsLayout->addWidget( buttonOk, 0, 0 );
-
-  SMESHGUI_ClippingDlgLayout->addWidget( GroupPlanes,      0, 0 );
-  SMESHGUI_ClippingDlgLayout->addWidget( GroupParameters,  1, 0 );
-  SMESHGUI_ClippingDlgLayout->addWidget( GroupButtons,     2, 0 );
-  
-  mySelection = SALOME_Selection::Selection( SMESHGUI::GetSMESHGUI()->GetActiveStudy()->getSelection());
+  QGroupBox* GroupButtons = new QGroupBox(this);
+  QHBoxLayout* GroupButtonsLayout = new QHBoxLayout(GroupButtons);
+  GroupButtonsLayout->setSpacing(SPACING);
+  GroupButtonsLayout->setMargin(MARGIN);
+  
+  buttonOk = new QPushButton(tr("SMESH_BUT_APPLY_AND_CLOSE"), GroupButtons);
+  buttonOk->setAutoDefault(true);
+  buttonOk->setDefault(true);
+  buttonApply = new QPushButton(tr("SMESH_BUT_APPLY"), GroupButtons);
+  buttonApply->setAutoDefault(true);
+  buttonCancel = new QPushButton(tr("SMESH_BUT_CLOSE"), GroupButtons);
+  buttonCancel->setAutoDefault(true);
+  buttonHelp = new QPushButton(tr("SMESH_BUT_HELP"), GroupButtons);
+  buttonHelp->setAutoDefault(true);
+  GroupButtonsLayout->addWidget(buttonOk);
+  GroupButtonsLayout->addSpacing(10);
+  GroupButtonsLayout->addWidget(buttonApply);
+  GroupButtonsLayout->addSpacing(10);
+  GroupButtonsLayout->addStretch();
+  GroupButtonsLayout->addWidget(buttonCancel);
+  GroupButtonsLayout->addWidget(buttonHelp);
+
+  SMESHGUI_ClippingDlgLayout->addWidget(GroupPlanes);
+  SMESHGUI_ClippingDlgLayout->addWidget(GroupParameters);
+  SMESHGUI_ClippingDlgLayout->addWidget(GroupButtons);
 
   // Initial state
-  SpinBoxDistance->RangeStepAndValidator( 0.0, 1.0, 0.01, 3 );
-  SpinBoxRot1->RangeStepAndValidator( -180.0, 180.0, 1, 3 );
-  SpinBoxRot2->RangeStepAndValidator( -180.0, 180.0, 1, 3 );
+  SpinBoxDistance->RangeStepAndValidator(0.0, 1.0, 0.01, 3);
+  SpinBoxRot1->RangeStepAndValidator(-180.0, 180.0, 1, 3);
+  SpinBoxRot2->RangeStepAndValidator(-180.0, 180.0, 1, 3);
 
-  ComboBoxOrientation->insertItem( tr("|| X-Y") );
-  ComboBoxOrientation->insertItem( tr("|| Y-Z") );
-  ComboBoxOrientation->insertItem( tr("|| Z-X") );
+  ComboBoxOrientation->addItem(tr("|| X-Y"));
+  ComboBoxOrientation->addItem(tr("|| Y-Z"));
+  ComboBoxOrientation->addItem(tr("|| Z-X"));
 
   SpinBoxDistance->SetValue(0.5);
 
   myActor = 0;
   myIsSelectPlane = false;
   onSelectionChanged();
-  
+
+  myHelpFileName = "clipping_page.html";
+
   // signals and slots connections :
-  connect( ComboBoxPlanes, SIGNAL( activated( int )), this, SLOT( onSelectPlane( int ) ) );
-  connect( buttonNew, SIGNAL( clicked() ), this, SLOT( ClickOnNew() ) );
-  connect( buttonDelete, SIGNAL( clicked() ), this, SLOT( ClickOnDelete() ) );
-  connect( ComboBoxOrientation, SIGNAL( activated( int )), this, SLOT( onSelectOrientation( int ) ) );
-  connect( SpinBoxDistance, SIGNAL( valueChanged( double )), this, SLOT( SetCurrentPlaneParam() ) );
-  connect( SpinBoxRot1, SIGNAL( valueChanged( double )), this, SLOT( SetCurrentPlaneParam() ) );
-  connect( SpinBoxRot2, SIGNAL( valueChanged( double )), this, SLOT( SetCurrentPlaneParam() ) );
-  connect( PreviewCheckBox, SIGNAL( toggled( bool )), this, SLOT( OnPreviewToggle( bool ) ) );
-  connect( AutoApplyCheckBox, SIGNAL( toggled( bool )), this, SLOT( ClickOnApply() ) );
-  connect( buttonOk, SIGNAL( clicked() ), this, SLOT( ClickOnOk() ) );
-  connect( buttonCancel, SIGNAL( clicked() ), this, SLOT( ClickOnCancel() ) ) ;
-  connect( buttonApply, SIGNAL( clicked() ), this, SLOT(ClickOnApply() ) );
-  connect( SMESHGUI::GetSMESHGUI(), SIGNAL ( SignalCloseAllDialogs() ), this, SLOT( ClickOnOk() ) ) ;
-  connect( mySelection,  SIGNAL( currentSelectionChanged() ), this, SLOT( onSelectionChanged() ) );
+  connect(ComboBoxPlanes, SIGNAL(activated(int)), this, SLOT(onSelectPlane(int)));
+  connect(buttonNew, SIGNAL(clicked()), this, SLOT(ClickOnNew()));
+  connect(buttonDelete, SIGNAL(clicked()), this, SLOT(ClickOnDelete()));
+  connect(ComboBoxOrientation, SIGNAL(activated(int)), this, SLOT(onSelectOrientation(int)));
+  connect(SpinBoxDistance, SIGNAL(valueChanged(double)), this, SLOT(SetCurrentPlaneParam()));
+  connect(SpinBoxRot1, SIGNAL(valueChanged(double)), this, SLOT(SetCurrentPlaneParam()));
+  connect(SpinBoxRot2, SIGNAL(valueChanged(double)), this, SLOT(SetCurrentPlaneParam()));
+  connect(PreviewCheckBox, SIGNAL(toggled(bool)), this, SLOT(OnPreviewToggle(bool)));
+  connect(AutoApplyCheckBox, SIGNAL(toggled(bool)), this, SLOT(ClickOnApply()));
+  connect(buttonOk, SIGNAL(clicked()), this, SLOT(ClickOnOk()));
+  connect(buttonCancel, SIGNAL(clicked()), this, SLOT(ClickOnCancel()));
+  connect(buttonApply, SIGNAL(clicked()), this, SLOT(ClickOnApply()));
+  connect(buttonHelp, SIGNAL(clicked()), this, SLOT(ClickOnHelp()));
+  connect(mySMESHGUI, SIGNAL (SignalCloseAllDialogs()), this, SLOT(ClickOnCancel()));
+  connect(mySelectionMgr,  SIGNAL(currentSelectionChanged()), this, SLOT(onSelectionChanged()));
   /* to close dialog if study frame change */
-  connect( SMESHGUI::GetSMESHGUI(), SIGNAL ( SignalStudyFrameChanged() ),  this, SLOT( ClickOnCancel() ) ) ;
-  
-  /* Move widget on the botton right corner of main widget */
-  int x, y ;
-  SMESHGUI::GetSMESHGUI()->DefineDlgPosition( this, x, y ) ;
-  this->move( x, y ) ;
+  connect(mySMESHGUI, SIGNAL (SignalStudyFrameChanged()), this, SLOT(ClickOnCancel()));
+
   this->show();
 }
 
-
 //=================================================================================
 // function : ~SMESHGUI_ClippingDlg()
 // purpose  :
@@ -379,44 +472,71 @@ SMESHGUI_ClippingDlg::~SMESHGUI_ClippingDlg()
 {
   // no need to delete child widgets, Qt does it all for us
   std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(false));
-  SMESH::RenderViewFrame(SMESH::GetCurrentVtkView());
+  if (mySMESHGUI)
+    if (SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow(mySMESHGUI))
+      SMESH::RenderViewWindow(aViewWindow);
+}
+
+double SMESHGUI_ClippingDlg::getDistance() const
+{
+  return SpinBoxDistance->GetValue();
+}
+
+void SMESHGUI_ClippingDlg::setDistance( const double theDistance )
+{
+  SpinBoxDistance->SetValue( theDistance );
 }
 
+double SMESHGUI_ClippingDlg::getRotation1() const
+{
+  return SpinBoxRot1->GetValue();
+}
+
+double SMESHGUI_ClippingDlg::getRotation2() const
+{
+  return SpinBoxRot2->GetValue();
+}
 
+//=======================================================================
+// function : ClickOnApply()
+// purpose  :
+//=======================================================================
 void SMESHGUI_ClippingDlg::ClickOnApply()
 {
   if (!myActor)
     return;
 
-  if ( SMESHGUI::GetSMESHGUI()->GetActiveStudy()->getActiveStudyFrame()->getTypeView() == VIEW_VTK ) {
-    QAD_WaitCursor wc;
+  if (SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow(mySMESHGUI)) {
+    SUIT_OverrideCursor wc;
     
+    QWidget *aCurrWid = this->focusWidget();
+    aCurrWid->clearFocus();
+    aCurrWid->setFocus();
+
     myActor->RemoveAllClippingPlanes();
 
     SMESH::TPlanes::iterator anIter = myPlanes.begin();
-    for (;anIter != myPlanes.end();anIter++){
-      OrientedPlane* anOrientedPlane = OrientedPlane::New();
+    for ( ; anIter != myPlanes.end(); anIter++) {
+      OrientedPlane* anOrientedPlane = OrientedPlane::New(aViewWindow);
       anOrientedPlane->ShallowCopy(anIter->GetPointer());
       myActor->AddClippingPlane(anOrientedPlane);
       anOrientedPlane->Delete();
     }
 
-    SMESH::RenderViewFrame(SMESH::GetCurrentVtkView());
+    SMESH::RenderViewWindow(aViewWindow);
   }
 }
 
-
 //=======================================================================
 // function : ClickOnOk()
 // purpose  :
 //=======================================================================
 void SMESHGUI_ClippingDlg::ClickOnOk()
 {
-  ClickOnApply() ;
-  ClickOnCancel() ;
+  ClickOnApply();
+  ClickOnCancel();
 }
 
-
 //=======================================================================
 // function : ClickOnCancel()
 // purpose  :
@@ -426,6 +546,29 @@ void SMESHGUI_ClippingDlg::ClickOnCancel()
   close();
 }
 
+//=================================================================================
+// function : ClickOnHelp()
+// purpose  :
+//=================================================================================
+void SMESHGUI_ClippingDlg::ClickOnHelp()
+{
+  LightApp_Application* app = (LightApp_Application*)(SUIT_Session::session()->activeApplication());
+  if (app) 
+    app->onHelpContextModule(mySMESHGUI ? app->moduleName(mySMESHGUI->moduleName()) : QString(""), myHelpFileName);
+  else {
+                QString platform;
+#ifdef WIN32
+                platform = "winapplication";
+#else
+                platform = "application";
+#endif
+    SUIT_MessageBox::warning(this, tr("WRN_WARNING"),
+                             tr("EXTERNAL_BROWSER_CANNOT_SHOW_PAGE").
+                             arg(app->resourceMgr()->stringValue("ExternalBrowser", 
+                                                                 platform)).
+                             arg(myHelpFileName));
+  }
+}
 
 //=================================================================================
 // function : onSelectionChanged()
@@ -433,51 +576,51 @@ void SMESHGUI_ClippingDlg::ClickOnCancel()
 //=================================================================================
 void SMESHGUI_ClippingDlg::onSelectionChanged()
 {
-  if ( SMESHGUI::GetSMESHGUI()->GetActiveStudy()->getActiveStudyFrame()->getTypeView() == VIEW_VTK ) {
-    if ( mySelection->IObjectCount() ) {
-      Handle(SALOME_InteractiveObject) IOS = mySelection->firstIObject();
+  if (SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow(mySMESHGUI)) {
+    const SALOME_ListIO& aList = mySelector->StoredIObjects();
+    if (aList.Extent() > 0) {
+      Handle(SALOME_InteractiveObject) IOS = aList.First();
       myActor = SMESH::FindActorByEntry(IOS->getEntry());
-      if ( myActor ){
-       std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(false));
-       myPlanes.clear();
-
-       vtkIdType anId = 0, anEnd = myActor->GetNumberOfClippingPlanes();
-       for(; anId < anEnd; anId++){
-         if(vtkImplicitFunction* aFunction = myActor->GetClippingPlane(anId)){
-           if(OrientedPlane* aPlane = OrientedPlane::SafeDownCast(aFunction)){
-             OrientedPlane* anOrientedPlane = OrientedPlane::New(SMESH::GetActiveStudy());
-             SMESH::TVTKPlane aTVTKPlane(anOrientedPlane);
-             anOrientedPlane->Delete();
-             aTVTKPlane->ShallowCopy(aPlane);
-             myPlanes.push_back(aTVTKPlane);
-           }
-         }
-       }
-
-       std::for_each(myPlanes.begin(),myPlanes.end(),
-                     TSetVisiblity(PreviewCheckBox->isChecked()));
+      if (myActor) {
+        std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(false));
+        myPlanes.clear();
+
+        vtkIdType anId = 0, anEnd = myActor->GetNumberOfClippingPlanes();
+        for ( ; anId < anEnd; anId++) {
+          if (vtkImplicitFunction* aFunction = myActor->GetClippingPlane(anId)) {
+            if(OrientedPlane* aPlane = OrientedPlane::SafeDownCast(aFunction)){
+              OrientedPlane* anOrientedPlane = OrientedPlane::New(aViewWindow);
+              SMESH::TVTKPlane aTVTKPlane(anOrientedPlane);
+              anOrientedPlane->Delete();
+              aTVTKPlane->ShallowCopy(aPlane);
+              myPlanes.push_back(aTVTKPlane);
+            }
+          }
+        }
+
+        std::for_each(myPlanes.begin(),myPlanes.end(),
+                      TSetVisiblity(PreviewCheckBox->isChecked()));
       }
     }
+    SMESH::RenderViewWindow(aViewWindow);
   }
   Sinchronize();
-  SMESH::RenderViewFrame(SMESH::GetCurrentVtkView());
 }
 
-
 //=======================================================================
 // function : onSelectPlane()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::onSelectPlane(int theIndex)
-{  
+void SMESHGUI_ClippingDlg::onSelectPlane (int theIndex)
+{
   if (!myActor || myPlanes.empty())
     return;
-  
+
   OrientedPlane* aPlane = myPlanes[theIndex].GetPointer();
-  
+
   // Orientation
   SMESH::Orientation anOrientation = aPlane->GetOrientation();
-  
+
   // Rotations
   double aRot[2] = {aPlane->myAngle[0], aPlane->myAngle[1]};
 
@@ -486,23 +629,22 @@ void SMESHGUI_ClippingDlg::onSelectPlane(int theIndex)
   setDistance(aPlane->GetDistance());
   setRotation(aRot[0], aRot[1]);
   switch (anOrientation) {
-  case SMESH::XY: 
-    ComboBoxOrientation->setCurrentItem(0);
+  case SMESH::XY:
+    ComboBoxOrientation->setCurrentIndex(0);
     onSelectOrientation(0);
     break;
-  case SMESH::YZ: 
-    ComboBoxOrientation->setCurrentItem(1);
+  case SMESH::YZ:
+    ComboBoxOrientation->setCurrentIndex(1);
     onSelectOrientation(1);
     break;
-  case SMESH::ZX: 
-    ComboBoxOrientation->setCurrentItem(2);
+  case SMESH::ZX:
+    ComboBoxOrientation->setCurrentIndex(2);
     onSelectOrientation(2);
     break;
   }
   myIsSelectPlane = false;
 }
 
-
 //=======================================================================
 // function : ClickOnNew()
 // purpose  :
@@ -511,19 +653,20 @@ void SMESHGUI_ClippingDlg::ClickOnNew()
 {
   if (!myActor)
     return;
-  
-  OrientedPlane* aPlane = OrientedPlane::New(SMESH::GetActiveStudy());
-  SMESH::TVTKPlane aTVTKPlane(aPlane);
-  myPlanes.push_back(aTVTKPlane);
 
-  if(PreviewCheckBox->isChecked())
-    aTVTKPlane->myActor->VisibilityOn();
+  if(SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow(mySMESHGUI)){
+    OrientedPlane* aPlane = OrientedPlane::New(aViewWindow);
+    SMESH::TVTKPlane aTVTKPlane(aPlane);
+    myPlanes.push_back(aTVTKPlane);
 
-  Sinchronize();
-  SetCurrentPlaneParam();
+    if (PreviewCheckBox->isChecked())
+      aTVTKPlane->myActor->VisibilityOn();
+    
+    Sinchronize();
+    SetCurrentPlaneParam();
+  }
 }
 
-
 //=======================================================================
 // function : ClickOnDelete()
 // purpose  :
@@ -532,48 +675,46 @@ void SMESHGUI_ClippingDlg::ClickOnDelete()
 {
   if (!myActor || myPlanes.empty())
     return;
-  
-  int aPlaneIndex = ComboBoxPlanes->currentItem();
-  
+
+  int aPlaneIndex = ComboBoxPlanes->currentIndex();
+
   SMESH::TPlanes::iterator anIter = myPlanes.begin() + aPlaneIndex;
   anIter->GetPointer()->myActor->SetVisibility(false);
   myPlanes.erase(anIter);
-  
+
   if(AutoApplyCheckBox->isChecked())
     ClickOnApply();
 
   Sinchronize();
-  SMESH::RenderViewFrame(SMESH::GetCurrentVtkView());
+  SMESH::RenderViewWindow(SMESH::GetCurrentVtkView());
 }
 
-
 //=======================================================================
 // function : onSelectOrientation()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::onSelectOrientation(int theItem)
+void SMESHGUI_ClippingDlg::onSelectOrientation (int theItem)
 {
   if (myPlanes.empty())
     return;
-  
+
   if      (theItem == 0) {
-    TextLabelRot1->setText( tr( "Rotation around X (Y to Z):") );
-    TextLabelRot2->setText( tr( "Rotation around Y (X to Z):" ) );
+    TextLabelRot1->setText(tr("Rotation around X (Y to Z):"));
+    TextLabelRot2->setText(tr("Rotation around Y (X to Z):"));
   }
   else if (theItem == 1) {
-    TextLabelRot1->setText( tr( "Rotation around Y (Z to X):" ) );
-    TextLabelRot2->setText( tr( "Rotation around Z (Y to X):" ) );
+    TextLabelRot1->setText(tr("Rotation around Y (Z to X):"));
+    TextLabelRot2->setText(tr("Rotation around Z (Y to X):"));
   }
   else if (theItem == 2) {
-    TextLabelRot1->setText( tr( "Rotation around Z (X to Y):" ) );
-    TextLabelRot2->setText( tr( "Rotation around X (Z to Y):" ) );
+    TextLabelRot1->setText(tr("Rotation around Z (X to Y):"));
+    TextLabelRot2->setText(tr("Rotation around X (Z to Y):"));
   }
-  
+
   if((QComboBox*)sender() == ComboBoxOrientation)
     SetCurrentPlaneParam();
 }
 
-
 //=======================================================================
 // function : Sinchronize()
 // purpose  :
@@ -582,21 +723,21 @@ void SMESHGUI_ClippingDlg::Sinchronize()
 {
   int aNbPlanes = myPlanes.size();
   ComboBoxPlanes->clear();
-  
+
   QString aName;
-  for(int i = 1; i<=aNbPlanes ; i++){
+  for(int i = 1; i<=aNbPlanes; i++) {
     aName = QString(tr("Plane# %1")).arg(i);
-    ComboBoxPlanes->insertItem(aName);
+    ComboBoxPlanes->addItem(aName);
   }
-  
+
   int aPos = ComboBoxPlanes->count() - 1;
-  ComboBoxPlanes->setCurrentItem(aPos);
-  
+  ComboBoxPlanes->setCurrentIndex(aPos);
+
   bool anIsControlsEnable = (aPos >= 0);
-  if(anIsControlsEnable){
+  if (anIsControlsEnable) {
     onSelectPlane(aPos);
-  }else{
-    ComboBoxPlanes->insertItem( tr("No planes") );
+  } else {
+    ComboBoxPlanes->addItem(tr("No planes"));
     SpinBoxRot1->SetValue(0.0);
     SpinBoxRot2->SetValue(0.0);
     SpinBoxDistance->SetValue(0.5);
@@ -612,51 +753,47 @@ void SMESHGUI_ClippingDlg::Sinchronize()
   SpinBoxRot2->setEnabled(anIsControlsEnable);
 }
 
-
 //=======================================================================
 // function : setRotation()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::setRotation( const double theRot1, const double theRot2 )
+void SMESHGUI_ClippingDlg::setRotation (const double theRot1, const double theRot2)
 {
   SpinBoxRot1->SetValue(theRot1);
   SpinBoxRot2->SetValue(theRot2);
 }
 
-
 //=======================================================================
-// function : SetCurrentPlaneParam
+// function : SetCurrentPlaneParam()
 // purpose  :
 //=======================================================================
-void
-SMESHGUI_ClippingDlg::
-SetCurrentPlaneParam()
+void SMESHGUI_ClippingDlg::SetCurrentPlaneParam()
 {
-  if(myPlanes.empty() || myIsSelectPlane)
+  if (myPlanes.empty() || myIsSelectPlane)
     return;
-  
-  int aCurPlaneIndex = ComboBoxPlanes->currentItem();
-  
+
+  int aCurPlaneIndex = ComboBoxPlanes->currentIndex();
+
   OrientedPlane* aPlane = myPlanes[aCurPlaneIndex].GetPointer();
-  
-  float aNormal[3];
+
+  vtkFloatingPointType aNormal[3];
   SMESH::Orientation anOrientation;
-  float aDir[3][3] = {{0, 0, 0}, {0, 0, 0}};
-  {  
+  vtkFloatingPointType aDir[3][3] = {{0, 0, 0}, {0, 0, 0}};
+  {
     static double aCoeff = vtkMath::Pi()/180.0;
 
-    float aRot[2] = {getRotation1(), getRotation2()};
+    vtkFloatingPointType aRot[2] = {getRotation1(), getRotation2()};
     aPlane->myAngle[0] = aRot[0];
     aPlane->myAngle[1] = aRot[1];
 
-    float anU[2] = {cos(aCoeff*aRot[0]), cos(aCoeff*aRot[1])};
-    float aV[2] = {sqrt(1.0-anU[0]*anU[0]), sqrt(1.0-anU[1]*anU[1])};
+    vtkFloatingPointType anU[2] = {cos(aCoeff*aRot[0]), cos(aCoeff*aRot[1])};
+    vtkFloatingPointType aV[2] = {sqrt(1.0-anU[0]*anU[0]), sqrt(1.0-anU[1]*anU[1])};
     aV[0] = aRot[0] > 0? aV[0]: -aV[0];
     aV[1] = aRot[1] > 0? aV[1]: -aV[1];
-                   
-    switch (ComboBoxOrientation->currentItem()) {
-    case 0: 
-      anOrientation = SMESH::XY; 
+
+    switch (ComboBoxOrientation->currentIndex()) {
+    case 0:
+      anOrientation = SMESH::XY;
 
       aDir[0][1] = anU[0];
       aDir[0][2] = aV[0];
@@ -665,8 +802,8 @@ SetCurrentPlaneParam()
       aDir[1][2] = aV[1];
 
       break;
-    case 1: 
-      anOrientation = SMESH::YZ; 
+    case 1:
+      anOrientation = SMESH::YZ;
 
       aDir[0][2] = anU[0];
       aDir[0][0] = aV[0];
@@ -675,8 +812,8 @@ SetCurrentPlaneParam()
       aDir[1][0] = aV[1];
 
       break;
-    case 2: 
-      anOrientation = SMESH::ZX; 
+    case 2:
+      anOrientation = SMESH::ZX;
 
       aDir[0][0] = anU[0];
       aDir[0][1] = aV[0];
@@ -691,60 +828,80 @@ SetCurrentPlaneParam()
     vtkMath::Normalize(aNormal);
     vtkMath::Cross(aNormal,aDir[1],aDir[0]);
   }
-  
+
   aPlane->SetOrientation(anOrientation);
   aPlane->SetDistance(getDistance());
-  
+
   myActor->SetPlaneParam(aNormal, getDistance(), aPlane);
 
   vtkDataSet* aDataSet = myActor->GetInput();
-  float *aPnt = aDataSet->GetCenter();
+  vtkFloatingPointType *aPnt = aDataSet->GetCenter();
 
-  float* anOrigin = aPlane->GetOrigin();
-  float aDel = aDataSet->GetLength()/2.0;
+  vtkFloatingPointType* anOrigin = aPlane->GetOrigin();
+  vtkFloatingPointType aDel = aDataSet->GetLength()/2.0;
 
-  float aDelta[2][3] = {{aDir[0][0]*aDel, aDir[0][1]*aDel, aDir[0][2]*aDel},
-                       {aDir[1][0]*aDel, aDir[1][1]*aDel, aDir[1][2]*aDel}};
-  float aParam, aPnt0[3], aPnt1[3], aPnt2[3];
+  vtkFloatingPointType aDelta[2][3] = {{aDir[0][0]*aDel, aDir[0][1]*aDel, aDir[0][2]*aDel},
+                                       {aDir[1][0]*aDel, aDir[1][1]*aDel, aDir[1][2]*aDel}};
+  vtkFloatingPointType aParam, aPnt0[3], aPnt1[3], aPnt2[3];
 
-  float aPnt01[3] = {aPnt[0] - aDelta[0][0] - aDelta[1][0], 
-                    aPnt[1] - aDelta[0][1] - aDelta[1][1], 
-                    aPnt[2] - aDelta[0][2] - aDelta[1][2]};
-  float aPnt02[3] = {aPnt01[0] + aNormal[0], 
-                     aPnt01[1] + aNormal[1], 
-                     aPnt01[2] + aNormal[2]};
+  vtkFloatingPointType aPnt01[3] = {aPnt[0] - aDelta[0][0] - aDelta[1][0],
+                                    aPnt[1] - aDelta[0][1] - aDelta[1][1],
+                                    aPnt[2] - aDelta[0][2] - aDelta[1][2]};
+  vtkFloatingPointType aPnt02[3] = {aPnt01[0] + aNormal[0],
+                                    aPnt01[1] + aNormal[1],
+                                    aPnt01[2] + aNormal[2]};
   vtkPlane::IntersectWithLine(aPnt01,aPnt02,aNormal,anOrigin,aParam,aPnt0);
 
-  float aPnt11[3] = {aPnt[0] - aDelta[0][0] + aDelta[1][0], 
-                    aPnt[1] - aDelta[0][1] + aDelta[1][1], 
-                    aPnt[2] - aDelta[0][2] + aDelta[1][2]};
-  float aPnt12[3] = {aPnt11[0] + aNormal[0], 
-                    aPnt11[1] + aNormal[1], 
-                    aPnt11[2] + aNormal[2]};
+  vtkFloatingPointType aPnt11[3] = {aPnt[0] - aDelta[0][0] + aDelta[1][0],
+                                    aPnt[1] - aDelta[0][1] + aDelta[1][1],
+                                    aPnt[2] - aDelta[0][2] + aDelta[1][2]};
+  vtkFloatingPointType aPnt12[3] = {aPnt11[0] + aNormal[0],
+                                    aPnt11[1] + aNormal[1],
+                                    aPnt11[2] + aNormal[2]};
   vtkPlane::IntersectWithLine(aPnt11,aPnt12,aNormal,anOrigin,aParam,aPnt1);
-  
-  float aPnt21[3] = {aPnt[0] + aDelta[0][0] - aDelta[1][0], 
-                    aPnt[1] + aDelta[0][1] - aDelta[1][1], 
-                    aPnt[2] + aDelta[0][2] - aDelta[1][2]};
-  float aPnt22[3] = {aPnt21[0] + aNormal[0], 
-                    aPnt21[1] + aNormal[1], 
-                    aPnt21[2] + aNormal[2]};
+
+  vtkFloatingPointType aPnt21[3] = {aPnt[0] + aDelta[0][0] - aDelta[1][0],
+                                    aPnt[1] + aDelta[0][1] - aDelta[1][1],
+                                    aPnt[2] + aDelta[0][2] - aDelta[1][2]};
+  vtkFloatingPointType aPnt22[3] = {aPnt21[0] + aNormal[0],
+                                    aPnt21[1] + aNormal[1],
+                                    aPnt21[2] + aNormal[2]};
   vtkPlane::IntersectWithLine(aPnt21,aPnt22,aNormal,anOrigin,aParam,aPnt2);
-  
+
   vtkPlaneSource* aPlaneSource = aPlane->myPlaneSource;
   aPlaneSource->SetNormal(aNormal[0],aNormal[1],aNormal[2]);
   aPlaneSource->SetOrigin(aPnt0[0],aPnt0[1],aPnt0[2]);
   aPlaneSource->SetPoint1(aPnt1[0],aPnt1[1],aPnt1[2]);
   aPlaneSource->SetPoint2(aPnt2[0],aPnt2[1],aPnt2[2]);
-  
+
   if(AutoApplyCheckBox->isChecked())
     ClickOnApply();
-  
-  SMESH::RenderViewFrame(SMESH::GetCurrentVtkView());
-}
 
+  SMESH::RenderViewWindow(SMESH::GetCurrentVtkView());
+}
 
-void SMESHGUI_ClippingDlg::OnPreviewToggle(bool theIsToggled){
+//=======================================================================
+// function : OnPreviewToggle()
+// purpose  :
+//=======================================================================
+void SMESHGUI_ClippingDlg::OnPreviewToggle (bool theIsToggled)
+{
   std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(theIsToggled));
-  SMESH::RenderViewFrame(SMESH::GetCurrentVtkView());
+  SMESH::RenderViewWindow(SMESH::GetCurrentVtkView());
+}
+
+//=================================================================================
+// function : keyPressEvent()
+// purpose  :
+//=================================================================================
+void SMESHGUI_ClippingDlg::keyPressEvent( QKeyEvent* e )
+{
+  QDialog::keyPressEvent( e );
+  if ( e->isAccepted() )
+    return;
+
+  if ( e->key() == Qt::Key_F1 ) {
+    e->accept();
+    ClickOnHelp();
+  }
 }