https://forum.qt.io/topic/138077/qcompleter-with-a-model-where-first-item-is-disabled-breaks-keyboard-navigation
QCompleter with a model where first item is disabled breaks keyboard navigation | Qt Forum
Jul 23, 2022 - Hi folks, I'm trying to create categorized items in a QCompleter list, where some items are headings that shouldn't be selectable by the user. When setting a...