Storing previously entered words in cache

[Lasith]

In my Qt Desktop app there is a login form! The user has to enter the Username and password to login to the app! The login is working but I want to store the previously entered usernames so that when next time I open the app and enter first letter of a user name the list of user names starting with that letter(which had previously been entered) should appear! How can I achieve this?

[jsulm]

@Lasith Just write the entered words in a file. When the app later starts it reads the file. Then, depending on what you use to enter username you can use http://doc.qt.io/qt-5/qlineedit.html#setCompleter

[Lasith]

@jsulm Thanx but if we consider something like a search text box how can we get the list of words without keeping them in a text file?

[VRonin]

Store a QStringList in QSettings and pass it to a QStringListModel and then to the completer, maybe