chart/canvasview.h Example File
#ifndef CANVASVIEW_H
#define CANVASVIEW_H
#include "element.h"
#include "canvastext.h"
#include <qcanvas.h>
class TQPoint;
class CanvasView : public TQCanvasView
{
Q_OBJECT
public:
CanvasView( TQCanvas *canvas, ElementVector *elements,
TQWidget* parent = 0, const char* name = "canvas view",
WFlags f = 0 )
: TQCanvasView( canvas, parent, name, f ), m_movingItem(0),
m_elements( elements ) {}
protected:
void viewportResizeEvent( TQResizeEvent *e );
void contentsMousePressEvent( TQMouseEvent *e );
void contentsMouseMoveEvent( TQMouseEvent *e );
void contentsContextMenuEvent( TQContextMenuEvent *e );
private:
TQCanvasItem *m_movingItem;
TQPoint m_pos;
ElementVector *m_elements;
};
#endif