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chart/canvasview.h Example File

#ifndef CANVASVIEW_H
#define CANVASVIEW_H

#include "element.h"
#include "canvastext.h"

#include <qcanvas.h>


class QPoint;


class CanvasView : public QCanvasView
{
    Q_OBJECT
public:
    CanvasView( QCanvas *canvas, ElementVector *elements,
                QWidget* parent = 0, const char* name = "canvas view",
                WFlags f = 0 )
        : QCanvasView( canvas, parent, name, f ), m_movingItem(0),
          m_elements( elements ) {}

protected:
    void viewportResizeEvent( QResizeEvent *e );
    void contentsMousePressEvent( QMouseEvent *e );
    void contentsMouseMoveEvent( QMouseEvent *e );
    void contentsContextMenuEvent( QContextMenuEvent *e );

private:
    QCanvasItem *m_movingItem;
    QPoint m_pos;
    ElementVector *m_elements;
};


#endif


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Qt 3.3.7