MDSView.h

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/******************************************************************************
 *
 *  Copyright (C) 2008 Boris Iven, Max Hermann
 *
 *  This file is part of the "CEDRIC Event Display" application.
 *
 *****************************************************************************/

#ifndef MDSVIEW_H
#define MDSVIEW_H

#include <QtGui/QGraphicsView>
#include <QRectF>

class QGraphicsView;
class QMouseEvent;
class QPainter;
class QRubberBand;

#include <QtGui>
#include <QtGui/QGraphicsItem>
#include <QtGui/QStyleOptionGraphicsItem>


class MDSView : public QGraphicsView
{
        Q_OBJECT
        
signals:
        void eventSelected( int index );
        
        void eventSelectedUserMode( int index, int mode );
        
        void immerse( int index, double radius );
        
        void zoom( const QRectF& );

public:
        enum ActionMode { 
                NO_ACTION,
                ZOOM,     
                IMMERSE,  
                USER
        };

        MDSView( QWidget* parent=0 );

public slots:
        void setActionMode( int mode );

protected:
        virtual void mousePressEvent  ( QMouseEvent *event );
        virtual void mouseMoveEvent   ( QMouseEvent *event );
        virtual void mouseReleaseEvent( QMouseEvent *event );

        virtual void drawForeground ( QPainter * painter, const QRectF & rect );

        void resetPivotRadius();

private:
        bool    m_immerseBanding;
        QRect   m_immerseBandRect;
        qreal   m_immerseRadius;
        QPointF m_immerseCenter;
        QRectF  m_immerseEllipseRect;

        int     m_pivotIndex;

        int     m_actionMode;
};


#endif // MDSVIEW_H