[Qt-interest] Meaning behind Qt3Suport Module Warning (Troll input needed)

[Gabriel M. Beddingfield]

Hello,

On Wed, 2 Jun 2010, Miller, Douglas K.  CONT NAVAIR 2109, 1, N139 wrote:

> Qt4.6 has the following in the Qt3Support Module documentation:
>
> "Warning: The classes in this module are intended to be used in
> intermediate stages of a porting process and are not intended to be used
> in production code."
>
> Earlier versions of Qt4 did not have this warning.  Is this warning

Yes they did... the warning just appeared elsewhere. 
(Don't know where.... sorry you missed it.)  The classes in 
Qt3Support have always been deprecated.

> because it has stability issues or because the Qt3Support module will
> soon be withdrawn?  Also, can you tell me when the Qt3Support will be
> removed from Qt4?  We are in the process of converting a large project

They won't be removed from Qt4.  However, there won't be 
anything like them in Qt5.  If there's a Qt4Support Module 
in Qt5... it won't include anything from Qt3Support.

> from Qt3 to Qt4 and we were planning on using the Qt3Support module as a
> stepping stone.  In other words, the first release after conversion will
> have the Qt3Support module in it to cover the areas that we did not have
> time to get to.  The warning is new to me and it makes me think that it
> cannot be used that way. Can you help us understand this warning better?

This is indeed how it's intended to be used.

-gabriel