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/Go4GUI/TGo4QRootCanvas.h

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    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 TGO4QROOTCANVAS_H
#define TGO4QROOTCANVAS_H

#include "qtroot/interface/tqrootcanvas.h"

class TGo4PreviewPanel;
class TPad;
class TH1;
class TCanvas;

class TGo4QRootCanvas : public TQRootCanvas {
    Q_OBJECT
  public:

    TGo4QRootCanvas(QWidget *parent = 0, const char *name = 0 ,TCanvas *c=0);

    virtual ~TGo4QRootCanvas();

    void dropEvent( QDropEvent *Event );
    void dragEnterEvent( QDragEnterEvent *e );
    TCanvas *GetCanvas();
    void SetShowEventStatus(bool s);
    void InsertCanvas( TCanvas* dragedCanvas, TPad *pad, bool createoptions=true);
    void CreateDrawOptions( TPad* pad);
    bool NeedsMinmaxResize(){return needMinmaxResize;}
    void SetNeedsMinmaxResize(bool yes) {needMinmaxResize=yes;}

  signals:
    void DropToPad(TPad *);
    void PadClicked(TPad *);     // signal to be emitted when mouse clicks on pad

  protected:

    virtual bool  eventFilter( QObject *, QEvent * );
    void mouseDoubleClickEvent(QMouseEvent* e );
    virtual void mousePressEvent( QMouseEvent *e );
    void mouseMoveEvent(QMouseEvent *e);
    virtual void resizeEvent( QResizeEvent *e );
    virtual void paintEvent( QPaintEvent *e );

    bool needMinmaxResize;
  private:
    TGo4PreviewPanel * fxTGo4PreviewPanel;
    bool fxShowEventStatus;
};

#endif //TGO4QROOTCANVAS_H




//----------------------------END OF GO4 SOURCE FILE ---------------------

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