DtDisplayUnitsSettingsSignaler.h

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/*******************************************************************************
** Copyright (c) 2011 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtUniqueID.h>
#include <vrvUtil/DtUnitConverterCollection.h>
#include <vrvCore/DtSharedDisplayUnitsSettings.h>

#include <vrvUtil/DtVirtualBaseClass.h>
#include <vrvUtil/event_signal.h>
#include <vrvUtil/signalslib.h>
#include <vrvUtil/DtUnicode.h>

namespace makVrv
{

   class DtWidgetAgent;
   class DtEventQueueInterface;
   class DtSharedSettingsManager;
   class DtDisplayUnitsSettingsSignaler;

   class DT_DLL_VRVCORE DtDisplayUnitsSettingsSignaler : public DtVirtualBaseClass
   {
   public:

      static DtDisplayUnitsSettingsSignaler& instance( const DtSharedSettingsManager& );

      static DtDisplayUnitsSettingsSignaler& instance( DtEventQueueInterface& );

      static DtDisplayUnitsSettingsSignaler* findInstance( DtEventQueueInterface* );

      virtual ~DtDisplayUnitsSettingsSignaler();


      event_signal<void (DtUnitConverterCollection::DisplayUnitType, int, int)> 
         signal_displayUnitChanged;

      event_signal<void (DtUnitConverterCollection::DisplayUnitType, int, int, 
         int)> signal_displayUnitDecimalsChanged;

      event_signal<void (DtSharedDisplayUnitsSettings::CoordSys,
         DtSharedDisplayUnitsSettings::CoordSys)> 
         signal_displayCoordinateSystemChanged;

      event_signal<void (DtSharedDisplayUnitsSettings::CoordSys, int, int)> 
         signal_displayCoordinateSystemDecimalsChanged;

   protected:

      DtDisplayUnitsSettingsSignaler( DtEventQueueInterface& eqi );

   private:

      DtDisplayUnitsSettingsSignaler( const DtDisplayUnitsSettingsSignaler& );

      DtDisplayUnitsSettingsSignaler& operator = ( const DtDisplayUnitsSettingsSignaler& );

   };

}