scope-cmd.cpp

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/*
  ScopeCmd  -  actual steam command scripts for actions within model scope

  Copyright (C)         Lumiera.org
    2017,               Hermann Vosseler <Ichthyostega@web.de>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of
  the License, or (at your option) any later version.

  This program 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

* *****************************************************/


#include "steam/cmd.hpp"
#include "steam/control/command-def.hpp"
//#include "steam/mobject/session.hpp"
//#include "lib/symbol.hpp"
#include "lib/idi/entry-id.hpp"
//#include "lib/format-string.hpp"
#include "lib/time/timevalue.hpp"

//#include <string>

using lib::hash::LuidH;
using lib::time::Time;
using lib::time::Offset;
//using std::string;
//using util::cStr;
//using util::_Fmt;


namespace steam {
namespace cmd {
  namespace error = lumiera::error;
  
  //using mobject::Session;
  
  namespace { // implementation helper...
  }//(End) implementation helper
  
  
  
  
  COMMAND_DEFINITION (scope_moveRelocateClip)
    {
      def.operation ([](LuidH clipID, Offset timeDelta)
                        {
                          UNIMPLEMENTED ("shift a clip by the given timeDelta offset");
                        })
         .captureUndo ([](LuidH clipID, Offset timeDelta) -> Time
                        {
                          TODO ("actually find out the previous position of the Clip");
                          return Time::ZERO;
                        })
         .undoOperation ([](LuidH clipID, Offset timeDelta, Time originalPos)
                        {
                          UNIMPLEMENTED ("how to revert shifting a clip. Shall we restore the captured Position or reverse apply the delta??");
                        })
                        ;
    };
  
  
  
  
}} // namespace steam::cmd