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//=============================================================================
//
//                               OpenFlipper
//        Copyright (C) 2008 by Computer Graphics Group, RWTH Aachen
//                           www.openflipper.org
//
//-----------------------------------------------------------------------------
//
//                                License
//
//  OpenFlipper 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 3 of the License, or
//  (at your option) any later version.
// 
//  OpenFlipper 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 OpenFlipper.  If not, see <http://www.gnu.org/licenses/>.
//
//-----------------------------------------------------------------------------
//
//   $Revision$
//   $Author$
//   $Date$
//
//=============================================================================




//
// C++ Interface: PickingInterface
//
// Description: 
//
//
// Author: Jan Moebius <jan_moebius@web.de>, (C) 2007
//

#ifndef PICKINGINTERFACE_HH 
#define PICKINGINTERFACE_HH 

 #include <QtGui>
 #include <QMenuBar>
 #include <ACG/QtWidgets/QtExaminerViewer.hh>
 #include <OpenFlipper/common/Types.hh>
 
 /**
  *  Interface Class which allows access to picking functions
 */
class PickingInterface {
   signals :
      /** \brief Add a new picking mode to the examiner 
       * 
       * @param _mode Identifier of Picking mode or "Separator" to add a Separator
      */
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      virtual void addPickMode( const std::string /*_mode*/) {};
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      /** \brief Add a new picking mode to the examiner which will be invisible
       * 
       * The added PickMode will not appear in the context menus Picking menu.
       * You have to provide a button or menuentry yourself if you want to switch to
       * the picking mode provided here.
       * 
       * @param _mode Identifier of Picking mode or "Separator" to add a Separator
      */
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      virtual void addHiddenPickMode( const std::string /*_mode*/ ) {};      
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      /** \brief Set the cursor of the given PickMode
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       * 
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       * Set the cursor that should be used inside the pickMode
       * 
       * @param _mode Identifier of Picking mode
       * @param _cursor the new cursor
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      */
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      virtual void setPickModeCursor( const std::string /*_mode*/ , QCursor /*_cursor*/ ) {};

      /** \brief Set mouse tracking for the given PickMode
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       * 
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       * Enable mouseTracking for the given PickMode. When MouseTracking is enabled
       * you receive mouseMove events also when no button is pressed (via MouseInterface)
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       * 
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       * @param _mode Identifier of Picking mode
       * @param _mouseTracking new state of mouseTracking
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      */
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      virtual void setPickModeMouseTracking( const std::string /*_mode*/ , bool /*_mouseTracking*/ ) {};

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      /**  \brief The pickingMode has changed
       * 
       * This slot is called if the user changes the current picking mode
       * @param _mode Identifier of Picking mode
      */
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      virtual void slotPickModeChanged( const std::string& /*_mode*/) {};
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   public : 
       
      /// Destructor
      virtual ~PickingInterface() {};
      
};

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Q_DECLARE_INTERFACE(PickingInterface,"OpenFlipper.PickingInterface/1.1")
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#endif // PICKINGINTERFACE_HH