Re: cannot SkipTaskbar on this program with QT5

[Benoît Minisini <benoit.minisini@xxxxxxxxxxxxxxxx>]

Le 17/05/2024 à 16:37, Benoît Minisini a écrit :
> Le 12/05/2024 à 14:31, Bruce Steers a écrit :
> > So is it a case of...
> > If it works with KDE on Manjaro there is no problem?
> > 🤔
> >
> > I have just found that if i add...
> >    Me.SkipTaskbar = True
> > to Form_Show() then it works as expected.
> >
> > Even though the IDE has the SkipTaskbar = True set and it's also set 
> > in Form_Open() it's failing with qt on MATE if i don't add it to 
> > Form_Show().
> >
> > Is there code like in gb.dbus.trayicon that uses only 
> > org.kde.StatusNotifierItem specific functions?
> >   that looks to me like it's probably only really guaranteed to work 
> > on kde.
> >
> > Should we now say, for a bug free gambas environment you must use KDE 
> > (and Manjaro)
> > (<-- holds up sarcasm sign)
> >
> > Respects
> > BruceS
>
> Apparently it's the weird things you are doing that makes the window 
> manager mad.
>
> Your startup class is a form that you hide when it is shown, by calling 
> the Hide() method in Form_Show(). If you remove that, the window does 
> not appear in the taskbar.
>
> The possible reason for this behaviour is that since Qt5, the window 
> properties must be defined after the window has been shown, otherwise it 
> does not work. As you hide the window during its show event, maybe it 
> creates a bad interference.
>
> I will check again if I can define the window X11 properties before 
> calling the Qt show method.
>
> Otherwise, why doing that? Why using an hidden window as startup form? 
> If you don't want it to be visible, don't define it as startup form so 
> that it is not automatically shown.
>
> Regards,

Note that I have just tested with Mint 21.3 + Mate in a VirtualBox vm.

--
Benoît Minisini.