--- /dev/null
+// 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.cxx
+// Author : Roman NIKOLAEV, Open CASCADE S.A.S.
+
+// SMESH includes
+//
+#include "SMESHGUI.h"
+#include "SMESHGUI_InteractiveOp.h"
+#include "SMESHGUI_VTKUtils.h"
+
+// GUI includes
+#include <SVTK_ViewWindow.h>
+#include <SVTK_RenderWindowInteractor.h>
+#include <SVTK_Event.h>
+
+// VTK includes
+#include <vtkInteractorStyle.h>
+#include <vtkCallbackCommand.h>
+#include <vtkGenericRenderWindowInteractor.h>
+#include <vtkInteractorObserver.h>
+
+
+//================================================================================
+/*!
+ * \brief Constructor
+*/
+//================================================================================
+
+SMESHGUI_InteractiveOp::SMESHGUI_InteractiveOp() :
+ SMESHGUI_SelectionOp(),
+ myInteractorStyle(0),
+ myRWInteractor(0),
+ myStyleEventCallbackCommand(vtkCallbackCommand::New()),
+ myInteractorStypePriority(0.0),
+ myInteractorEventCallbackCommand(vtkCallbackCommand::New()),
+ myInteractorPriority(1.0)
+{
+ myStyleEventCallbackCommand->Delete();
+ myStyleEventCallbackCommand->SetClientData(this);
+ myStyleEventCallbackCommand->SetCallback(SMESHGUI_InteractiveOp::ProcessStyleEvents);
+
+ myInteractorEventCallbackCommand->Delete();
+ myInteractorEventCallbackCommand->SetClientData(this);
+ myInteractorEventCallbackCommand->SetCallback(SMESHGUI_InteractiveOp::ProcessInteractorEvents);
+}
+
+//================================================================================
+/*!
+ * \brief Destructor
+*/
+//================================================================================
+SMESHGUI_InteractiveOp::~SMESHGUI_InteractiveOp()
+{
+}
+
+//=======================================================================
+// function : addObserver()
+// purpose : Add VTK observers to process SVTK_InteractorStyle and vtkGenericRenderWindowInteractor events
+//======================================================================
+void SMESHGUI_InteractiveOp::addObserver()
+{
+ if (myInteractorStyle && !myInteractorStyle->HasObserver(SVTK::InteractiveSelectionChanged, myStyleEventCallbackCommand.GetPointer())) {
+ myInteractorStyle->AddObserver(SVTK::InteractiveSelectionChanged, myStyleEventCallbackCommand.GetPointer(),
+ myInteractorStypePriority);
+ }
+ if (myRWInteractor && myRWInteractor->GetDevice() &&
+ !myRWInteractor->GetDevice()->HasObserver(vtkCommand::LeftButtonPressEvent, myInteractorEventCallbackCommand.GetPointer())) {
+ myRWInteractor->GetDevice()->AddObserver(vtkCommand::LeftButtonPressEvent, myInteractorEventCallbackCommand.GetPointer(),
+ myInteractorPriority);
+ }
+}
+
+//=======================================================================
+// function : removeObserver()
+// purpose : Remove VTK observers
+//======================================================================
+void SMESHGUI_InteractiveOp::removeObserver() {
+ if (myInteractorStyle && myInteractorStyle->HasObserver(SVTK::InteractiveSelectionChanged, myStyleEventCallbackCommand.GetPointer())) {
+ myInteractorStyle->RemoveObserver(myStyleEventCallbackCommand.GetPointer());
+ }
+ if (myRWInteractor && myRWInteractor->GetDevice() &&
+ myRWInteractor->GetDevice()->HasObserver(vtkCommand::LeftButtonPressEvent, myInteractorEventCallbackCommand.GetPointer())) {
+ myRWInteractor->GetDevice()->RemoveObserver(myInteractorEventCallbackCommand.GetPointer());
+ }
+}
+
+//=======================================================================
+// function : startOperation()
+// purpose : Init dialog fields, connect signals and slots, show dialog
+//=======================================================================
+
+void SMESHGUI_InteractiveOp::startOperation()
+{
+ SVTK_ViewWindow* svtkViewWindow = SMESH::GetViewWindow(getSMESHGUI());
+ if (svtkViewWindow) {
+ myInteractorStyle = svtkViewWindow->GetInteractorStyle();
+ myRWInteractor = svtkViewWindow->GetInteractor();
+ }
+}
+
+//================================================================================
+/*!
+ * \brief Process interactor style events
+ Static method. Used by vtkCallbackCommand->SetCallback method.
+ */
+ //===============================================================================
+void SMESHGUI_InteractiveOp::ProcessStyleEvents(vtkObject* vtkNotUsed(theObject),
+ unsigned long theEvent,
+ void* theClientData,
+ void* theCallData) {
+ SMESHGUI_InteractiveOp* self = reinterpret_cast<SMESHGUI_InteractiveOp*>(theClientData);
+ if (self)
+ self->processStyleEvents(theEvent, theCallData);
+}
+
+//================================================================================
+/*!
+ * \brief Process Generic Render Window Interactor events.
+ Static method. Used by vtkCallbackCommand->SetCallback method.
+ */
+ //===============================================================================
+void SMESHGUI_InteractiveOp::ProcessInteractorEvents(vtkObject* vtkNotUsed(theObject),
+ unsigned long theEvent,
+ void* theClientData,
+ void* theCallData) {
+ SMESHGUI_InteractiveOp* self = reinterpret_cast<SMESHGUI_InteractiveOp*>(theClientData);
+ if (self)
+ self->processInteractorEvents(theEvent, theCallData);
+}
+
+//================================================================================
+/*!
+ * \brief Process interactor style events ()
+ Virtual method. Should be overridden in inherited classes.
+ */
+ //===============================================================================
+
+void SMESHGUI_InteractiveOp::processStyleEvents(unsigned long theEvent, void* theCallData) {
+}
+
+//================================================================================
+/*!
+ * \brief Process Generic Render Window Interactor events.
+ Virtual method. Should be overridden in inherited classes.
+ */
+ //===============================================================================
+void SMESHGUI_InteractiveOp::processInteractorEvents(unsigned long theEvent, void* theCallData)
+{
+}
+
+//================================================================================
+/*!
+ * \brief Deactivate current operation in active VTK viewer
+ */
+ //===============================================================================
+void SMESHGUI_InteractiveOp::deactivateCurrentViewOperation() {
+ if (SVTK_ViewWindow* svtkViewWindow = SMESH::GetViewWindow(getSMESHGUI())) {
+ svtkViewWindow->deactivateCurrectOperation();
+ }
+}
\ No newline at end of file
