/**
**
** @RDE_HEADER@
** Event Dispatcher for Qt5 to delegate mouse and keyboard event to another event dispatcher
** $Id$
** $HeadURL$
** $Author$
**
** -----------------------------------------------------------------------------------------------
**
** Hardware-Environment: Intel-PC
** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
**
** Language ........: C++ 11
**
** -----------------------------------------------------------------------------------------------
**
** Author ...........: Jörg Turla, SPD G, Tel. 3132
**
** -----------------------------------------------------------------------------------------------
**
** Notes .........:
**
**   15.04.2015, JT  : First edition
**
** -----------------------------------------------------------------------------------------------
*/

#include "event_delegater.h"

namespace SituationMap { namespace RB
{

   EventDelegater::EventDelegater(QWidget * getEventsFrom, AbstractEventDispatcher * delegateEventTo) 
      : AbstractEventDispatcher(getEventsFrom), _delegateEventTo(delegateEventTo)
   {
      connect( delegateEventTo, &AbstractEventDispatcher::signalKickTheBucket,
               this           , &AbstractEventDispatcher::onDo_kickTheBucket    );

      connect( this           , &AbstractEventDispatcher::signalKickTheBucket,
               delegateEventTo, &AbstractEventDispatcher::onDo_kickTheBucket    );

     _restoreMouseTracking = delegateEventTo->_restoreMouseTracking;
     _whatsThisBackup      = delegateEventTo->_whatsThisBackup;

   } /* EventDispatcher::EventDispatcher */ 


   bool EventDelegater::eventFilter(QObject * watched, QEvent * e)
   {
      if (hasFinished())    return true; // don't accept new events if  dispatcher is going to finish
      if (hasActiveEvent()) return true; // don't accept new events before last event has been handled completly

      if (_delegateEventTo != nullptr)
      {
         return _delegateEventTo->eventFilter( watched, e );
      }
      return false;
   } /* EventDispatcher::eventFilter */


   void EventDelegater::KickTheBucket()
   {
      if (_delegateEventTo != nullptr)
      {
         _delegateEventTo->unlinkEventDispatcher();
      }
      AbstractEventDispatcher::KickTheBucket();
   } /* EventDelegater::KickTheBucket */


} } /* namespace SituationMap::RB */