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Re: brewtarget and qt5


Awesome! I was hoping to switch to Qt5 after 2.1.0...thanks for doing a
test run. I'll check it out this weekend.

On Sun, Aug 17, 2014 at 11:08 PM, mik firestone <mikfire@xxxxxxxxx> wrote:

> I started just toying with this earlier today. As the docs promised, it
> was easy enough and I know have something that compiles and runs against
> Qt5. If you want to play, it is on gitorious in my clone (git://
> gitorious.org/brewtarget/mikfires-brewtarget.git) as feature/qt5.
> It builds for both Qt4 and Qt5. Run ./configure -q ON to build for Qt5. I
> have only tested this on Kubuntu 14.04 but did everything through cmake. It
> should just sort of work anywhere. If it doesn't, I would love to know.
> I know the tests only work for Qt4 right now. They changed the cmake stuff
> and I just didn't have the brain power to go chasing the proper invocation
> for the tests, so I effectively ifdef'd it.
> I am not certain about the translations. It is done different in Qt5, and
> I think I did it properly but I don't really know how to test.
> I have had to add a few #ifdefs, but not that many. The Q_WS_* macros no
> longer exist in Qt5, so I had to reorder about three places in
> brewtarget.cpp to use Q_OS instead. The uncomfortable part is that there is
> no easy Q_OS_LINUX that I could find, so I've had to invert the logic of
> the tests. I also had to remove a few methods that were deprecated in 4.6
> and removed somewhere in Qt5.
> There are likely a hundred little bugs. I'm noticing things are much more
> sensitive and generally unhappy w/ forward class declarations (see the
> fourth link, the section titled "Missing Q_OBJECT macros and metatype
> cleanup"). I need to find all the places we do those and make sure things
> work. Nothing catastrophic, but lots of complaints about not being able to
> read undeclared types.
> Some good resources:
> http://www.kdab.com/porting-from-qt-4-to-qt-5/
> https://www.ics.com/blog/porting-desktop-applications-qt-4-qt-5
> http://qt-project.org/wiki/Transition_from_Qt_4.x_to_Qt5
> http://www.kdab.com/using-cmake-with-qt-5/
> Mik
> --
> In a world of ninja v. pirate, I pilot a Gundam
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Philip G. Lee