Set a corresponding QCompleter [1] using QComboBox::setCompleter [2]. [1] https://doc.qt.io/qt-6/qcompleter.html [2] https://doc.qt.io/qt-6/qcombobox.html#setCompleter Change-Id: I89cdd8bee676c8a208ffe944ca84225210e842a5 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/175819 Tested-by: Jenkins Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>