kill the systray?

[Sebastian Kügler]

Hey,

Now that I have your attention ;), I'd like to discuss the future of the 
system tray. I'm porting it right now to Qt5/KF5, and running into some 
problems.

Quick background: The systemtray widget in Plasma supports three kinds of 
"Items", traditional, xembed-based systray icons, dbus statusnotifiers and 
embedded plasmoids. It's a bit of an odd widget (well, almost its own OS ;)), 
with different implementations that put all of the above three into one system 
tray. So far so good.

Two problems:

* Qt5 doesn't seem to have the API we need to do our xembed tricks anymore, 
  especially QX11EmbedContainer is gone. If we even get it to work under X11, 
  it seems entirely futile to expect this to be feasible in a Wayland world.

* Embedding Plasmoids doesn't work in the new world, and notmart has not idea 
  yet how to solve this

When I asked Martin if he knew a way to do the xembed, he replied (being 
Martin ;)) asking if we can just kill it and quoted starwars. I wonder: Can we 
kill it yet?

For the plasmoid embedding, we'll need this, and I can only think of hacky 
things (such as the panel containment helping out by talking to the systray, 
for example).

Thoughts, opinions, what-do-I-miss?
-- 
sebas

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