can anyone tell why this program is not working?
am not able to see the directory structure.
(from the printf's i could make out that is is not calling parent and data functions. this code doesnt contains printfs)

Qt Code: 
  1. #include <QtGui>
  2.  
  3. class TestModel : public QAbstractItemModel
  4. {
  5. public:
  6. 	QDirModel *model;
  7. 	TestModel()
  8. 	{
  9. 		model = new QDirModel();
  10. 	}
  11.  
  12. 	QVariant data(const QModelIndex &index, int role) const
  13. 	{
  14. 		return model->data(index, role);
  15. 	}
  16.  
  17. 	QModelIndex index(int row, int column, const QModelIndex &parent) const
  18. 	{
  19. 		return model->index(row, column, parent);
  20. 	}
  21.  
  22. 	QModelIndex parent(const QModelIndex &index) const
  23. 	{
  24. 		return model->parent(index);
  25. 	}
  26.  
  27. 	int rowCount(const QModelIndex &parent) const
  28. 	{
  29. 		return model->rowCount(parent);
  30. 	}
  31.  
  32. 	int columnCount(const QModelIndex &parent) const
  33. 	{
  34. 		return model->columnCount(parent);
  35. 	}
  36. };
  37.  
  38. int main(int a, char** b)
  39. {
  40. 	QApplication app(a, b);
  41. 	TestModel *mod = new TestModel;
  42. 	QTreeView view;
  43. 	view.setModel(mod);
  44. 	view.show();
  45. 	return app.exec();
  46. }
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Thanks