mapFocusHandlerManager.h

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/******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/

#pragma once

#include <vrfGuiCommonQt/vrfGuiCommonQt.h>
#include <vrvUtil/DtSignalConnectionManager.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <vrvCore/DtUniqueID.h>
#include <vrvCoreQt/DtQtCursor.h>

#include <QtCore/QObject>
#include <vector>

#include <boost/signals2.hpp>

namespace makVrv
{
   class DtDe;
   class DtChannel;
   class DtEventProcessorInterface;
}

namespace makVrf
{
   class DtMapFocusHandler;

   class DT_DLL_VRFGUICOMMONQT DtMapFocusHandlerManager : public makVrv::DtVirtualBaseClass
   {
   public:
      //CTOR
      DtMapFocusHandlerManager(makVrv::DtDe&);

      //DTOR
      virtual ~DtMapFocusHandlerManager() override;

      static DtMapFocusHandlerManager& instance(makVrv::DtDe&);
      static void registerInstance(makVrv::DtDe&, DtMapFocusHandlerManager*);

      virtual int selectionState(makVrv::DtUniqueID, int over) const;

      virtual int setCursorBasedOnItem(makVrv::DtUniqueID, int over);

      virtual void setActiveMapFocusHandler(DtMapFocusHandler*);
      DtMapFocusHandler* activeMapFocusHandler() const
      {
         return myActiveMapFocusHandler;
      }

      virtual void setAllowCursorChange(bool b);
      bool allowCursorChange() const
      {
         return myAllowCursorChange;
      }

      virtual void focusToNext(bool becauseOfRightClick = false);

      virtual void resetCursor();

      virtual void cursorOverNoMapAreaObject();

      boost::signals2::signal<void (DtMapFocusHandler*, DtMapFocusHandler*)> signal_mapFocusHandlerChanged;

   protected:
      DtMapFocusHandler* myActiveMapFocusHandler;
      makVrv::DtDe& myDe;
      makVrv::DtQtCursor myCurrentCursor;
      bool myAllowCursorChange;
      bool myChangedCursor;
      makVrv::DtUniqueID myLastItemChecked;
      makVrv::DtSignalConnectionManager myConnectionManager;
      makVrv::DtEventProcessorInterface* myEventProcessor;
      int myLastAreaOver = 0;
   };
}