QRootWindow.h

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// $Id: QRootWindow.h 1950 2016-09-12 12:43:45Z adamczew $
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#ifndef QROOTWINDOW_H
#define QROOTWINDOW_H

#include <QWidget>

#include "Rtypes.h"

class QMouseEvent;
class QPaintEvent;
class TGLayoutHints;
class Event_t;
class TQRootFrame;
class TGFrame;
class TGCompositeFrame;

class QRootWindow : public QWidget {
   Q_OBJECT

   public:
      QRootWindow( QWidget *parent = 0, const char *name = 0, bool designermode=false);

      virtual ~QRootWindow();

      TGCompositeFrame* GetRootFrame();
      int GetRootWid() const { return fiWinid; }

      void AddSubFrame(TGFrame* f, TGLayoutHints* l=0);

      void SetEditable(bool on=true);

      void SetResizeOnPaint(bool on=true) { fbResizeOnPaint=on; }
      
      double ScaledWidth();
      
      double ScaledHeight();

   protected:

      virtual bool eventFilter( QObject *, QEvent * );
      virtual void paintEvent( QPaintEvent *e );
      virtual void closeEvent( QCloseEvent * e);

      //virtual QPaintEngine * paintEngine () const {return 0;}

      Bool_t MapQMouseEvent(QMouseEvent *e, Event_t* rev);

      TQRootFrame *fxRootwindow;

      Int_t fiWinid;
      WId fQtWinId;

      Bool_t fbResizeOnPaint;
      
      double fQtScalingfactor;
};

#endif