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Subclassing (promoting) non-QWidget in Designer

  • We've been using Qt Designer. It's likely we will want to subclass QLayout to do some specialized layout (hiding child widgets). I don't see a way to do this in Designer.

    Also, we may want to have a custom spacer, that has the right size on either Mac or Windows. Is that possible as well?

    (It's easy to promote a QWidget, but these guys aren't QWidgets.)

  • There is no way to subclass a QLayout in designer. You need real code for that.

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