bos #26454 [EDF] (2021) SMESH: interactive mesh modification

[modules/smesh.git] / src / SMESHGUI / SMESHGUI_InteractiveOp.h

diff --git a/src/SMESHGUI/SMESHGUI_InteractiveOp.h b/src/SMESHGUI/SMESHGUI_InteractiveOp.h
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+// Copyright (C) 2007-2021  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
+//
+// 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, or (at your option) any later version.
+//
+// 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
+//
+
+// File   : SMESHGUI_InteractiveOp.h
+// Author : Roman NIKOLAEV, Open CASCADE S.A.S.
+//
+
+#pragma once
+
+// SMESH includes
+#include "SMESH_SMESHGUI.hxx"
+#include "SMESHGUI_SelectionOp.h"
+
+// VTK includes
+#include <vtkSmartPointer.h>
+
+/*
+  Class       : SMESHGUI_InteractiveOp
+  Description : Base operation for all interactive operations in the VTK 3D Viewer
+*/
+
+class vtkInteractorStyle;
+class vtkCallbackCommand;
+class vtkObject;
+class SVTK_RenderWindowInteractor;
+
+class SMESHGUI_EXPORT SMESHGUI_InteractiveOp: public SMESHGUI_SelectionOp {
+  Q_OBJECT
+public:
+  SMESHGUI_InteractiveOp();
+  virtual ~SMESHGUI_InteractiveOp();
+
+  virtual void deactivateCurrentViewOperation();
+
+protected:
+  virtual void                   startOperation() override;
+
+  static void                    ProcessStyleEvents(vtkObject* object,
+                                                    unsigned long event,
+                                                    void* clientdata,
+                                                    void* calldata);
+  virtual void                   processStyleEvents(unsigned long event,
+                                                    void* calldata);
+
+  static void                    ProcessInteractorEvents(vtkObject* object,
+                                                         unsigned long event,
+                                                         void* clientdata,
+                                                          void* calldata);
+  virtual void                   processInteractorEvents(unsigned long event,
+                                                         void* calldata);
+
+  virtual void addObserver();
+  virtual void removeObserver();
+
+
+protected:
+  vtkInteractorStyle*           myInteractorStyle;
+  SVTK_RenderWindowInteractor*  myRWInteractor;
+
+  // Priority at which  events are processed:
+  //   Interactor Stype events
+  double myInteractorStypePriority;
+  //   Interactor events
+  double myInteractorPriority;
+
+  // Used to process events
+  vtkSmartPointer<vtkCallbackCommand> myStyleEventCallbackCommand;
+  vtkSmartPointer<vtkCallbackCommand> myInteractorEventCallbackCommand;
+};