src/SMESHGUI/SMESHGUI_InteractiveOp.h

   1 // Copyright (C) 2007-2022  CEA/DEN, EDF R&D, OPEN CASCADE
   2 //
   3 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 //
   6 // This library is free software; you can redistribute it and/or
   7 // modify it under the terms of the GNU Lesser General Public
   8 // License as published by the Free Software Foundation; either
   9 // version 2.1 of the License, or (at your option) any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 // Lesser General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU Lesser General Public
  17 // License along with this library; if not, write to the Free Software
  18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 //
  20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 //
  22
  23 // File   : SMESHGUI_InteractiveOp.h
  24 // Author : Roman NIKOLAEV, Open CASCADE S.A.S.
  25 //
  26
  27 #pragma once
  28
  29 // SMESH includes
  30 #include "SMESH_SMESHGUI.hxx"
  31 #include "SMESHGUI_SelectionOp.h"
  32
  33 // VTK includes
  34 #include <vtkSmartPointer.h>
  35
  36 /*
  37   Class       : SMESHGUI_InteractiveOp
  38   Description : Base operation for all interactive operations in the VTK 3D Viewer
  39 */
  40
  41 class vtkInteractorStyle;
  42 class vtkCallbackCommand;
  43 class vtkObject;
  44 class SVTK_RenderWindowInteractor;
  45
  46 class SMESHGUI_EXPORT SMESHGUI_InteractiveOp: public SMESHGUI_SelectionOp {
  47   Q_OBJECT
  48 public:
  49   SMESHGUI_InteractiveOp();
  50   virtual ~SMESHGUI_InteractiveOp();
  51
  52   virtual void deactivateCurrentViewOperation();
  53
  54 protected:
  55   virtual void                   startOperation() override;
  56
  57   static void                    ProcessStyleEvents(vtkObject* object,
  58                                                     unsigned long event,
  59                                                     void* clientdata,
  60                                                     void* calldata);
  61   virtual void                   processStyleEvents(unsigned long event,
  62                                                     void* calldata);
  63
  64   static void                    ProcessInteractorEvents(vtkObject* object,
  65                                                          unsigned long event,
  66                                                          void* clientdata,
  67                                                           void* calldata);
  68   virtual void                   processInteractorEvents(unsigned long event,
  69                                                          void* calldata);
  70
  71   virtual void addObserver();
  72   virtual void removeObserver();
  73
  74
  75 protected:
  76   vtkInteractorStyle*           myInteractorStyle;
  77   SVTK_RenderWindowInteractor*  myRWInteractor;
  78
  79   // Priority at which  events are processed:
  80   //   Interactor Stype events
  81   double myInteractorStypePriority;
  82   //   Interactor events
  83   double myInteractorPriority;
  84
  85   // Used to process events
  86   vtkSmartPointer<vtkCallbackCommand> myStyleEventCallbackCommand;
  87   vtkSmartPointer<vtkCallbackCommand> myInteractorEventCallbackCommand;
  88 };