How to make an authorization window, provided that there are more than 1 users?

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Tesla4o2018-05-27 17:25:37

Qt

Tesla4o, 2018-05-27 17:25:37

How to make an authorization window, provided that there are more than 1 users?

How to make an authorization window? If there are 1 users, then it is not needed and the login button in the MenuBar should not be active. And if there are more than 1 users, then authorization is already needed!

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