tmRubberBand.h

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/*******************************************************************************
** Copyright (c) 2003 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile: tmRubberBand.h,v $ $Revision: 1.24 $ $State: Exp $
*******************************************************************************/


#ifndef TMRUBBERBAND_H
#define TMRUBBERBAND_H

#include <QtCore/QObject>

#include "tmqt/tmViewportExtents.h"

#include <QtGui/QPen>
#include <QtCore/QList>

#include "archiver/archiver.h"

class DtTMFactory;
class DtTMMiniMap;
class DtTMMapArea;
class DtExtent;

//A rubber band is a rectangle on a minimap with an associated value
//This 'class' is nothing more than a struct with the four default functions
//defined (for deletion and default values)
#include "tmqt/tmqtDefines.h"
class DT_DLL_tmqt DtTMRubberBand : public DtArchivableObject
{
   
   Q_OBJECT

public:

   DtTMRubberBand();

   virtual ~DtTMRubberBand();

   virtual bool init(const DtTMMiniMap* m, const DtTMMapArea* a);

   virtual const QPen* activePen() const;

   virtual void setActivePen(const QPen* p);
   
   virtual const QPen* inactivePen() const;

   virtual void setInactivePen(const QPen* p);

   virtual void setPct
   (
      const double pctX,
      const double pctY,
      const double pctW,
      const double pctH
   );

   virtual double pctX() const;
   virtual void setPctX(const double d);

   virtual double pctY() const;
   virtual void setPctY(const double d);

   virtual double pctW() const;
   virtual void setPctW(const double d);

   virtual double pctH() const;
   virtual void setPctH(const double d);

   virtual const DtTMViewportExtents* windowViewportExtents() const;

   virtual void setWindowViewportExtents(const DtTMViewportExtents* v);

   virtual const DtTMViewportExtents& viewportExtents() const;

public:

   static DtTMRubberBand* create();

signals:

   void viewportExtentsSet(const DtTMViewportExtents* v);

   void viewportExtentsChanged(const DtTMViewportExtents* v);

   void rubberBandUpdated();

   void activePenChanged(const QPen*);

   void inactivePenChanged(const QPen*);

   void isActive(DtTMRubberBand*);

public slots:

   virtual void setViewportExtents(const DtTMViewportExtents* v);

   virtual void setMinimapExtents(const DtTMViewportExtents* v);

   virtual void setActive();

protected:

   virtual void resizeRectToFitAspectRatio(DtExtent& ext, DtTMViewportExtents* extents);

   DtTMRubberBand(const DtTMRubberBand& orig);

   DtTMRubberBand& operator=(const DtTMRubberBand& rhs);

   DtTMViewportExtents myViewportExtents;

   const DtTMViewportExtents* myWindowViewportExtents;
   
   QPen* myActivePen; 
   QPen* myInactivePen;
   
   double myPctX;
   double myPctY;
   double myPctW;
   double myPctH;

};

typedef QList<DtTMRubberBand*> DtTMRubberBandList;

#endif