QStackedWidget is a convenience class built on top of QStackedLayout. The main difference is that QStackedWidget inherits QWidget (through QFrame), while QStackedLayout does not. Summing up, QStackedWidget can be used as a toplevel widget, while QStackedLayout have to be put in a QWidget.

The former is a widget, the latter is a layout. The widget itself is a simple convenience QWidget using QStackedLayout and exposing its API. Use the one that best fits your requirements. End of the story :)

BTW, *widget and *views are not deprecated at all, they just cover different use cases.

And the document has this

QStackedWidget is a convenience layout widget built on top of the QStackedLayout class.

Edit Did’t refresh the page and so missed the above replies.

OK, thanks for your answers – layout will do the work for me.

peppe: according to some documentation [doc.qt.nokia.com] it seems that widgets stays to be “compatible” with Qt3.

“These classes are less flexible than the view classes, and cannot be used with arbitrary models. We recommend that you use a model/view approach to handling data in item views unless you strongly need an item-based set of classes.”

maciek wrote:

OK, thanks for your answers – layout will do the work for me.

peppe: according to some documentation [doc.qt.nokia.com] it seems that widgets stays to be “compatible” with Qt3.

“These classes are less flexible than the view classes, and cannot be used with arbitrary models. We recommend that you use a model/view approach to handling data in item views unless you strongly need an item-based set of classes.”

Their API is similar, sure, but this doesn’t make them outdated or deprecated. They have their (very limited and specific) use case, that’s it :)