How can I remove Qt 4 related files from CMakeLists.txt in src folder while building calligra

[Ankit Jain]

>Thanks Jaroslaw for such a detailed explanation. Its makes sense.

--- On Thu, 17/5/12, Jaroslaw Staniek <staniek at kde.org> wrote:

From: Jaroslaw Staniek <staniek at kde.org>
Subject: Re: How can I remove Qt 4 related files from CMakeLists.txt in src folder while building calligra
To: "Calligra Suite developers and users mailing list" <calligra-devel at kde.org>
Date: Thursday, 17 May, 2012, 12:55 PM

On 17 May 2012 07:40, Ankit Jain <ankit_1988manit at yahoo.co.in> wrote:

> >I want to remove Qt 4 entirely while building calligra as I don't want
> > any UI related thing that
> >Qt supports and also I don't want to open any document-means I don't want
> > to launch >calligra words, stage or anything.
>
> >I just want to use the calligraconverter utility and use it for document
> > conversion.
> >Is there any way to build calligra in this manner?
> >My main purpose is to reduce the size so that I can port it to an android
> > device as my
> >main use is to only use calligraconverter utility.

Dear Ankit,
Qt 4 is not enough modular to let stripping its QtGui library. This is
because certain fundamental Qt classes that are used in any Calligra
app come from QtGui. One example is QColor.

Reportedly, Qt 5 will be better in this area and Calligra will benefit here.

As for the stronger request - removing Qt 4 entirely - I guess this
won't be supported in entire Calligra. Should we have dedicated
contributors and then maintainers, at least filters could be made
C++-only, or like WebKit - offered in Qt and C++ versions. There's
some theoretical gain in reducing dependencies for filters and the
converter (getting more developers on board seems to be the most
attractive to me) but I doubt it's true for the rest of Calligra.
Please note that the non-visual frameworks of Calligra are already
consisted of almost Qt-only code (I like this aspect a lot). And such
Qt-only code  is much more compact in terms of dependencies than
anything you see the closest competitor, i.e. in LibreOffice.

--
regards / pozdrawiam, Jaroslaw Staniek
 http://www.linkedin.com/in/jstaniek
 Kexi & Calligra (kexi-project.org, identi.ca/kexi, calligra-suite.org)
 KDE Software Development Platform on MS Windows (windows.kde.org)
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