Disable specific items in QComboBox

Question

In my application, I want to disable some items (i.e. not selectable, no highlights when mouse hovering above, and the texts are greyed out) in the QComboBox when certain co

Answer 1

Here is the technique @Mike describes, wrapped up in a convenient utility function:

void SetComboBoxItemEnabled(QComboBox * comboBox, int index, bool enabled)
{
    auto * model = qobject_cast(comboBox->model());
    assert(model);
    if(!model) return;

    auto * item = model->item(index);
    assert(item);
    if(!item) return;
    item->setEnabled(enabled);
}