Plasma 5.12 goal: let's get Wayland ready!

[David Edmundson]

On Thu, Oct 12, 2017 at 12:13 PM, Marco Martin <notmart at gmail.com> wrote:

> On Wed, Oct 11, 2017 at 5:20 PM, Martin Flöser <mgraesslin at kde.org> wrote:
> >> yep, i like it and  i'll try!
> >> some times tough some help is needed to even figure out where the
> problem
> >> is...
> >> for tme the thing that makes my laptop unusable with wayland is a very
> bad
> >> flicker in many qwidget apps, especially kate and to a lesse extent
> >> dolphin are
> >> pretty much blinking like disco lights just by moving the mouse on top
> of
> >> the
> >> app window.
> >>
> >> Where should i start to look about that?
> >
> >
> > Most likely in Qt. I had seen this once in kate as well and it looked to
> me
> > like either Qt is not updating correctly (single buffering?) or what I
> > consider more likely this is a tooltip issue. At least in dolphin I see
> that
> > tooltips open and are not properly marked as a transient. If it is now
> under
> > the mouse we get flicker, because it opens, gains focus and dolphin then
> > destroys it again and the complete process repeats. I hope that the Qt
> 5.9.2
> > fixes that.
>
> one thing i noticed which i don't know if it's of any indication, is
> that on weston (and kate still using the wayland qpa) that flicker
> doesn't happen
>

I have this kate problem sometimes.

I'll track here: https://bugs.kde.org/show_bug.cgi?id=385692
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