Interesting issue with KAboutData and icons

[Harald Sitter]

On Mon, Aug 18, 2014 at 9:41 AM, David Faure <faure at kde.org> wrote:
> On Monday 04 August 2014 22:01:15 Michael Pyne wrote:
>> Hi all,
>>
>> I received a bug (https://bugs.kde.org/show_bug.cgi?id=337938) reported
>> against KAboutData in KCoreAddons, that setting the window icon doesn't
>> actually set the window icon.
>>
>> In fact, KAboutData doesn't even try to, except for setting a property to
>> the string name of the icon in question.
>
> Well, that dynamic property call is supposed to catch this static property
> from QGuiApplication, provided that qApp is not just a QCoreApplication:
>
>   Q_PROPERTY(QIcon windowIcon READ windowIcon WRITE setWindowIcon)
>
> I made this stuff work in qtbase f42bd772f8110dba13d209d81d8eed0077772185,
> which is in Qt 5.3.0.
>
> So it's known that it won't work with older versions of Qt.
>
> I didn't test it via KAboutData though.

The code in KAboutData expects 'applicationIconName' as property name,
which does not exist. Furthermore in kcoreaddons we couldn't construct
a QIcon so the 'windowIcon' property couldn't be used either.

HS