[Qt-interest] Forced redrawing of partictular QTreeWidgetItem issue

[Iurii Gordiienko]

Hi  
  
I have a problem with updating of particular QTreeWidgetItem... Please, look to the simplest code which describe this issue. I expect the execution of QTreeWidget::drawRow after call A::updateItem(...) but really it is not happened. Why not?  
  
class A : public QTreeWidget{  
public:  
  void updateItem(QTreeWidgetItem* pi)   
  {   
    QModelIndex idx = indexFromItem(pi);   
    update(idx);   
  }   
  

    
    

protected:   
  //code for drawing item's data manually   
  virtual void drawRow( QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index )const;   
  

};  
  

    
    

Qt-4.6.1  

    
    

Thanks
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