[kde] [Bug 458865] After an update to qt5-base the dolphin file picker dialog used in GTK applications via GTK_USE_PORTAL=1 ignores theming

[Antonio Rojas]

https://bugs.kde.org/show_bug.cgi?id=458865

--- Comment #46 from Antonio Rojas <arojas at archlinux.org> ---
(In reply to Adam Williamson from comment #45)
> So we have folks running into this on Fedora:
> https://bugzilla.redhat.com/show_bug.cgi?id=2133795
> 
> It looks like we don't have the change from this bug report yet. However,
> Fedora users will generally be on Wayland, and the change from this bug
> report is only to startplasma-x11.cpp. I notice that in
> startplasma-wayland.cpp , `setupCursor` still happens very early - in fact
> it's nearly the *first* thing that happens. Does it need to be delayed on
> Wayland too?

For the Wayland session, when setupCursor is called is irrelevant for this
issue, because on Wayland setupCursor does not launch kapplymousetheme (or any
other QApplication) [1], so it doesn't activate xdg-desktop-portal

[1]
https://invent.kde.org/plasma/plasma-workspace/-/blob/v5.26.0/startkde/startplasma.cpp#L208 

Is anybody actually reporting wrong cursors on Wayland on Fedora? AFAICS the
downstream bug report is about xdg-desktop-portal-kde crashes for the sddm
user, which is also caused by the Qt change, but is unrelated to the wrong
cursors issue.

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