[Discuss] Desktop Managers

[John Blomfield]

Yes I think we are saying the same thing.


On 08/03/2014 06:36 PM, Alan W. Irwin wrote:
> On 2014-08-03 17:25-0700 John Blomfield wrote:
>
>> On 08/03/2014 05:02 PM, Alan W. Irwin wrote:
>>> Was your second-last sentence above just an aside about porting
>>> strictly Qt applications/libraries (such as the PLplot qt device
>>> driver) that have nothing to do with KDE from Qt4 to Qt5?  If so,
>>> could you comment further about what you have read about the work
>>> required to port KDE applications from KDE4 to KDE5?  That might be a
>>> much more difficult port than a simple Qt4 to Qt5 port (which in the
>>> qt device driver case required no code changes at all).
>> I have not looked into the issues in detail but have a look at this
>>
>> http://qt-project.org/wiki/Transition_from_Qt_4.x_to_Qt5.
>>
>> http://www.kdab.com/porting-from-qt-4-to-qt-5/
>>
>> http://www.kdab.com/automated-porting-from-qt-4-to-qt-5/
>
> Hi John:
>
> My point is you have to carefully distinguish between the cases of
> using the Qt library API versus using the KDE library API which
> basically boils down to whether the code you are working on includes
> Qt library headers, KDE library headers or both.
>
> The above 3 URL's are talking about porting from Qt4 to Qt5 which of
> course is important to KDE library developers since KDE libraries
> directly depend on the Qt API, but should only be of
> interest to KDE application developers if those applications use Qt
> libraries directly rather than just the KDE libraries.  All the above
> URL's indicate Qt4 to Qt5 porting should be straightforward, and that
> is consistent with my PLplot qt device experience.
>
>> I believe KDE5 frameworks has been completely rewritten in Qt5.
> [...]
>> https://community.kde.org/Frameworks/Porting_Notes
>
> In contrast to the above 3 URL's this URL is about porting
> applications from KDE4 to KDE5 for the frameworks case, and it looks
> like that is a major undertaking because substantial changes to the
> KDE API have occurred in this case.  If other parts of the KDE5
> libraries have similar large API changes, it appears porting
> applications that depend on KDE libraries (as opposed to the much
> simpler task of porting applications that just depend on the Qt
> libraries) will be a major undertaking in all cases.
>
> Alan
> __________________________
> Alan W. Irwin
>
> Astronomical research affiliation with Department of Physics and 
> Astronomy,
> University of Victoria (astrowww.phys.uvic.ca).
>
> Programming affiliations with the FreeEOS equation-of-state
> implementation for stellar interiors (freeeos.sf.net); the Time
> Ephemerides project (timeephem.sf.net); PLplot scientific plotting
> software package (plplot.sf.net); the libLASi project
> (unifont.org/lasi); the Loads of Linux Links project (loll.sf.net);
> and the Linux Brochure Project (lbproject.sf.net).
> __________________________
>
> Linux-powered Science
> __________________________
>


-- 
John Blomfield
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Old John B's Linux Notes http://www.oldjohnbslinux.wordpress.com