DtControlPointWidget.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#ifndef DtControlPointWidget_H_
#define DtControlPointWidget_H_

#include <vrvCore/vrvCore.h>
#include <vrvCore/DtUniqueID.h>
#include <vrvCore/DtAgentManagerInterface.h>
#include <vrvCore/DtMouseState.h>
#include <boost/signal.hpp>

namespace makVrv
{
   class DtAgentManagerInterface;
   class DtProjectedWidgetModelAgent;
   class DtWidgetAgent;
   class DtWidgetLabelAgent;
   class DtModelAgent;
   class DtWidgetInstanceSignaler;
   class DtWidgetSignaler;
   class DtWidgetEventSignals;
   
   class DT_DLL_VRVCORE DtControlPointWidget
   {
   public:
      enum ControlPointState
      {
         Normal, // inactive, not selected
         Active, // e.g. mouseover
         Selected, // The only selected object
         MultiSelected, // Part of a group of selected control points
      };

      DtControlPointWidget(int modelSet, DtAgentManagerInterface& sceneInterface);

      virtual ~DtControlPointWidget();

      virtual void setModelDefinitions(
         const std::string& emptyTheme = "ControlPointTheme",
         const std::string& normalTheme = "ControlPointTheme",
         const std::string& activeTheme = "ControlPointPinnedTheme",
         const std::string& normalPointTheme = "ControlPointPinnedTheme",
         const std::string& selectedPointTheme = "ControlPointPinnedTheme");
      
      virtual void setState(ControlPointState state);

      virtual void setColor(float r, float g, float b);

      virtual void setDimensions(int height, int width);

      DtModelAgent* model();

      ControlPointState state();

      virtual void setEventsEnabled(bool enabled);

      DtWidgetEventSignals& eventSignals(DtWidgetSignaler& signaler);

      virtual void setOrderGroup(int);

   public:

      boost::signal< void(bool) > signal_mouseInChanged;

      typedef boost::signal< void(DtMouseState& mouseState,
         const std::string& displayEngineName,
         const std::string& windowName,
         const std::string& channelName)>
         WidgetMouseEventSignal;
      
      WidgetMouseEventSignal signal_mouseDown;
      WidgetMouseEventSignal signal_mouseUp;
      WidgetMouseEventSignal signal_mouseDblClick;

   protected:

      void onMouseEnter(DtUniqueID id);
      void onMouseLeave(DtUniqueID id);
      void onMouseDown(DtUniqueID id, double x, double y, int button,
         const std::string& displayEngineName,
         const std::string& windowName,
         const std::string& channelName);
      void onMouseUp(DtUniqueID id, double x, double y, int button,
         const std::string& displayEngineName,
         const std::string& windowName,
         const std::string& channelName);
      void onMouseDblClick(DtUniqueID id, double x, double y, int button,
         const std::string& displayEngineName,
         const std::string& windowName,
         const std::string& channelName);

   protected:

      int myModelSet;
      DtAgentManagerInterface& mySceneInterface;
      DtProjectedWidgetModelAgent* myProjectedWidgetModelAgent;
      DtWidgetAgent* myWidgetAgent;
      DtWidgetAgent* myPointWidgetAgent;
      DtWidgetInstanceSignaler* myWidgetSignaler;
      
      std::string myEmptyTheme;
      std::string myNormalTheme;
      std::string myActiveTheme;
      std::string mySelectedPointTheme;
      std::string myMultiSelectedPointTheme;

      int myHeight;
      int myWidth;

      ControlPointState myState;
      bool myEventsEnabled;

      bool mySelected;
      int myOrderGroup;
   };
}

#endif