Migration GTK2

Jewest

Hello,

I am currently trying to determine if a change to QT4.8 is an option for me.
My current situation:
Application based on GTK2 with GTKbuilder XML files for the views.

What do I need?
Swipe support and this is not possible under GTK2.

What am i looking for?
An estimation / possibility to transfer my current code to QT 4.8 without having to redo all the work.
(Is there a GTKbuilder to QT designer importer? I could not find it)

I need to make an estimation to my manager about a possible transfer and the cost.

Best regards,

Jewest

jsulm

@Jewest Why do you want to use Qt 4.8? It's old and reached end of life.

Jewest

@jsulm because buildroot 2013.2 does not support 5.x.
And migrating buildroot + custom build packages takes too much time.
(Migrating buildroot also gives me the option to use GTK 3 / 4)

Doing both will be a too big investment at this time just for swipe support.

jsulm

@Jewest Maybe this can help: https://wiki.lxde.org/en/Migrate_from_GTK%2B_to_Qt

mrjj

hi
What kind of swipe support in 4.8 ?
Like this ?
http://doc.qt.io/archives/qt-4.8/qswipegesture.html#details

I just wonder if 4.8 will be good enough.

Jewest

@jsulm I found that page.
while reading it more carefully this time, the QUiLoader maybe an option when it can read GTKbuilder xml file correctly.
It there an option to import the files or glade files?

jsulm

@Jewest Sorry, I don't know. Never used GTK+ and never ported a GTK+ app to Qt :-)

Jewest

@mrjj The current request from the sales department is to add a simple swipe to the next page function. why do you think this 4.8 will not be good enough? the function is present since 4.6 so I would assume that basic swiping is handled correctly.

mrjj

@Jewest

Hi
While both are xml and seems to be very similar , i never saw any mention of Creator/Qt being able to read
GTKbuilder xml files.
However the class names would not mach anyway.

mrjj

@Jewest
Well nowadays, swiping is mostly QML
So while 4.8 can detect a swipe gesture, im just wondering how/what widget that can actually swipe
in 4.8 ?

J.Hilk

@mrjj said in Migration GTK2:

@Jewest
Well nowadays, swiping is mostly QML
So while 4.8 can detect a swipe gesture, im just wondering how/what widget that can actually swipe
in 4.8 ?

QPropertyAnimation is part of QT since 4.6. Therefore any/all, if you really want to/have the time to do it ?

mrjj

@J.Hilk
ok so StackedWidget or tabWidget will not just do it.
It must be hand programmed anyway ?

Jewest

@mrjj The detection of the swipe is good enough. so I guess 4.8 will be good enough for me.
Biggest problem at the moment is the 60 views that I currently have. So importing or converting the files will make my life a lot easier. (and easier to sell to my manager(cost)).

J.Hilk

@mrjj The QML counterparts do it by default, at least in Qt5. QStackWidget in general doesn't do that right?
I spend a good amount of time this year to make an animated QStackWidget transition between two/any QWidgets. I really hope I didn't reinvent the wheel here...

mrjj

@Jewest
Hi
I would recreate one "view" in Qt and compare the
GTK ui with the QT ui and see
if a converter would be easy to write. ( maybe its only like map of 20 classnames)
Im not into GTK but it seems to call them UI file too
so before making an estimate i would have a small test of
getting one GTK UI into Qt.

mrjj

@J.Hilk
Well if there are for Widgets, i never saw any mention of it so
i think you time was well spend :)