View with flow chart?

[marcel]

In this case using QGraphicsView is the solution, if you want to keep things simpler.
You can customize painting and the framework has builtin item interaction.

[steg90]

Thanks again,

Just looking at QGraphicsView and QGraphicsScene now. I take it my items would be of QGraphicsItem and I override the paint event to draw my item?

class CBoxItem : public QGraphicsItem
{
  void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) 
  {
      // do whatever
      painter->drawRoundRect( 10, 10, 20, 20 );
  }
};

class CBoxItem : public QGraphicsItem
{
  void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) 
  {
      // do whatever
      painter->drawRoundRect( 10, 10, 20, 20 );
  }
};

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May even derive from QGraphicsPolygonItem...

How do I know when a user clicks on one of the GraphicItems, is this part of the QGraphicsScene - i.e. mousePressEvent?

Regards,
Steve

[marcel]

You have to override the item's mousePressEvent.
Take a look at the protected functions in the QGraphicsItem class.

[steg90]

Many thanks for your help Marcel,

Going to have a derived class from QGraphicsItem, override paint and boundingRect and the mousePressEvent. I did notice that it would also be possible to create a slot in the main window which could be emited from the scene when an item is selected ( capture the mouseEvent within the scene ) - although I think just overriding the mousePressEvent within the subclassed QGraphicsItem class seems simpler.

Regards,
Steve