When I add an item to a comboBox and set it's background the selected item will not get that color. If I drop down the combo box the background is colored.

Qt Code:
  1. m_itemComboBox->insertItem(0, file.fileName(), QVariant(file.absoluteFilePath()));
  2. m_itemComboBox->setItemData(0, QString ("Non existing: %1").arg (file.absoluteFilePath()), Qt::ToolTipRole);
  3. m_itemComboBox->setItemData(0, QBrush (QColor (255, 128, 64)), Qt::BackgroundRole); // Orange
  4. m_itemComboBox->setCurrentIndex(0);
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Does anyone know how to set the background of the activated item?