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

[Scott Aron Bloom]

The thing to remember, Qt guarantees binary compatibility.  

Your Qt3 support usage is exactly what the 3to4 system is for, a
temporary "easy" flow from Qt3 to 4.

I think the warning, was put there, to make it clear, don't create NEW
code with QT3Support code.  Many people, when moving from Qt3 to 4, have
a hard time picking up the Model/View/Delegate system, and find the old
List & Table widgets much easier to use.   Its come up more than once on
the list, "Im writing a new app, using the Qt3to4 list widget...."

Scott

-----Original Message-----
From: qt-interest-bounces at trolltech.com
[mailto:qt-interest-bounces at trolltech.com] On Behalf Of Miller, Douglas
K. CONT NAVAIR 2109, 1,N139
Sent: Wednesday, June 02, 2010 6:21 AM
To: qt-interest at trolltech.com
Subject: [Qt-interest] Meaning behind Qt3Suport Module Warning (Troll
inputneeded)

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
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soon be withdrawn?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
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?

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