include/tmqt/tmMiniMap.h

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/*********************************************************************
** Copyright (c) 2001 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: tmMiniMap.h,v $ $Revision: 1.26 $ $State: Exp $
*********************************************************************/


#ifndef TMMINIMAP_H
#define TMMINIMAP_H

#include "tmqt/tmArea.h"

#include "tmqt/tmRubberBand.h"

#include <QtGui/QPixmap>



class DtTMWindow;
class DtTMMapArea;


#include "tmqt/tmqtDefines.h"
class DT_DLL_tmqt DtTMMiniMap : public DtTMArea
{
    Q_OBJECT
   
public:

   DtTMMiniMap(QWidget* parent = 0,  const Qt::WindowFlags& f = 0);
   
   virtual ~DtTMMiniMap();
   
   virtual bool init(const DtTMFactory* f);
   
   virtual bool showingRubberBands() const;

   virtual void setShowingRubberBands(bool onOff);

   virtual QSize minimumSizeHint() const;
   virtual QSize sizeHint() const;
   
   //Rubber bands represent an area (usually another view)
   //When you ask to add a Rubber band the function returns an identifying
   //integer that you can use to identify it when the signals come back.
   //There is one active rubber band, specified with setActiveMap
   //This is the one that gets resized when you move the mouse around
   //if you want no resize/move, just setActiveMap to 0.   
   virtual DtTMRubberBand* addRubberBand
   (
      const DtTMFactory* f,
   const DtTMMiniMap* m, 
   const DtTMMapArea* a,
      double pctX = 0,
      double pctY = 0, 
      double pctWidth  = 1,
      double pctHeight = 1,
      QPen* activePen = 0,
      QPen* inactivePen = 0
   );

   virtual const QPen& activePen() const;

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

   virtual void setInactivePen(const QPen& p);

   //set the Inactive color of the pen. Also resets all previus
   //rubber bands to that color
   virtual void setActiveColor(const QColor& c);

   //set the Inactive color of the pen. Also resets all previus
   //rubber bands to that color
   virtual void setInactiveColor(const QColor& c);
   
public:

   static DtTMMiniMap* create(QWidget* parent, const Qt::WindowFlags& f);

signals:

   void activeRubberBandSet(const DtTMRubberBand*);
   
public slots:

   virtual void setActiveRubberBand(DtTMRubberBand*);

   //Take a rubber band out of the equation.
   //Note: the QObject should be of type DtTMRubberBand
   virtual void removeRubberBand(QObject*);
   
   virtual void drawRubberBands(QPainter* p);

protected:

   DtTMMiniMap(const DtTMMiniMap& orig);
   
   DtTMMiniMap& operator=(const DtTMMiniMap& orig);

   virtual void mouseReleaseEvent(QMouseEvent* e);
   virtual void mousePressEvent(QMouseEvent* e);
   virtual void mouseMoveEvent(QMouseEvent* e);
   virtual void resizeEvent(QResizeEvent* e);

   
   virtual void clipPoint(QPoint& point);
   
   virtual void clipRect(QRect& rect);
   
   virtual void reorderRectangle(QRect& rect);

   virtual void resizeRectToFitAspectRatio(QRect& r, const double& ratio);

   virtual bool needsDrawOrder() const;

protected:
   QPen myActivePen;
   QPen myInactivePen;

   DtTMRubberBandList myTMRubberBandList;
   DtTMRubberBand* myActiveRubberBand;
   
   QRect mySelectionRect;
   
   bool myShowingRubberBands;   
   bool myTracking;

};

#endif