include/drawertdb/terrainDisplayWidget.h

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/*********************************************************************
** Copyright (c) 2006 MaK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: terrainDisplayWidget.h,v $ $Revision: 1.4 $ $State: Exp $
*********************************************************************/


#ifndef TERRAINDISPLAYWIDGET_H
#define TERRAINDISPLAYWIDGET_H

#include "drawertdb/drawertdbDefines.h"
#include "drawerNative/viewportExtents.h"
#include "drawertdb/terrainGdbDrawer.h"
#include "terrainDbFactory/tdbManager.h"

#include <QtGui/QWidget>
#include <QtGui/QPixmap>

class DtTerrainDatabase;
class DtPaperMapDatabase;
class DtQtDrawer;
class DtExtent;
class DtTerrainPaperMapFactory;


class DT_DLL_drawertdb DtTerrainDisplayWidget : public QWidget
{
public:
   DtTerrainDisplayWidget(QWidget* parent, Qt::WindowFlags flags = 0);

   virtual ~DtTerrainDisplayWidget();

public:

   virtual bool load(const DtFilename& f);

   virtual void setTerrainDatabase(const DtTerrainDatabase*, bool redisplay = true);
   const DtTerrainDatabase* terrainDatabase() const;

   virtual void setPaperMapDatabase(const DtPaperMapDatabase*, bool redisplay = true);
   const DtPaperMapDatabase* paperMapDatabase() const;

   void setEnableKeyboardSupport(bool);
   bool enableKeyboardSupport() const;

protected:
   virtual void resizeEvent(QResizeEvent* r);

   virtual void keyPressEvent(QKeyEvent*);

   virtual bool processMovementKey(QKeyEvent*);

   virtual void paintTerrain();

   virtual void paintEvent(QPaintEvent*);

   virtual DtQtDrawer* createTerrainPainter() const;

public:

   virtual void resetToGlobalView();
   virtual void zoomIn();
   virtual void zoomOut();   
   virtual void panNorthwest();   
   virtual void panNorth();   
   virtual void panNortheast();   
   virtual void panEast();   
   virtual void panSoutheast();   
   virtual void panSouth();   
   virtual void panSouthwest();   
   virtual void panWest();

   virtual const double& panStep() const;
   virtual void setPanStep(const double& step);

   virtual const double& zoomStep() const;
   virtual void setZoomStep(const double& step);

   virtual void setDisplayExtent(const DtExtent&);

protected:
   DtTerrainGdbDrawer   myTerrainDrawer;
   DtTdbManager         myTdbManager;
   DtViewportExtents    myViewportExtents;
   QPixmap              myBackground;
   DtQtDrawer*          myTerrainPainter;
   DtTerrainPaperMapFactory*  myPaperMapFactory;

   const DtTerrainDatabase*   myTerrainDatabase;
   const DtPaperMapDatabase*  myPaperMapDatabase;

   bool                       myKeyboardSupport;
};

inline const DtTerrainDatabase* DtTerrainDisplayWidget::terrainDatabase() const
{
   return myTerrainDatabase;
}

inline const DtPaperMapDatabase* DtTerrainDisplayWidget::paperMapDatabase() const
{
   return myPaperMapDatabase;
}

inline void DtTerrainDisplayWidget::setEnableKeyboardSupport(bool b)
{
   myKeyboardSupport = b;
}

inline bool DtTerrainDisplayWidget::enableKeyboardSupport() const
{
   return myKeyboardSupport;
}

#endif