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So when I duplicate each of those interfaces, I could run “full” Ubuntu experience on whatever DE or window manager, see everything supposed to be seen on Ubuntu and do everything as expected. – Without any limitations Unity gives us, but maybe with other limitations...

I.e. Ubuntu-experience without Unity.

This question is restricted to interactions with the top panel of Unity (and whatever it contains by default).

  • I’m looking for a complete list (add the Ubuntu version if needed)
  • add the official name, maybe a link to some Ubuntu design page
  • keyword or (dbus) name or similar referring to the API of that feature

Examples: if the audio player shows the current song in the volume menu with Unity, “other” DE/window managers, or my own extension/panel might want to pick this functionality up, too. With the official name of that interface/functionality I can try to search if e.g. LXDE has it, without installing. – And with the API spec I should possibly be able to implement it myself, if I care to do so.

The menu-bar is an another example. Full-screen windows have their menu up in the panel. – What’s its name, how is it done (technically)?

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Hmm I feel this question is too broad. It seems like a question about terminology. At the same time it wrongly suggests that other desktop environments need to copy unity somehow. Maybe it is the tone of the question I do not like... – don.joey Jan 16 '14 at 10:12
Maybe you could take screenshots and make your question more specific. You can hardly expect people to start explaining the unity panel completely here. – don.joey Jan 16 '14 at 13:26
@RobertSiemer, another route is for you to ask this question as a new question and answer it. If people find it useful, that'll be good :) – user25656 Jan 17 '14 at 5:33
You don't have to convince the specific users who put this question on hold by voting to close it--you just have to convince any five users who have the ability to cast close and reopen votes. I'm voting to reopen this, because I believe it's asking for an explanation of how the indicators work, which is a narrow enough scope. But this question is currently somewhat unclear. The title is ambiguous, the lead paragraph gives an overly narrowly tailored "why" when the "what" isn't yet clear, and what does "interactions" mean? Users can move the mouse over the top panel, is that an interaction? – Eliah Kagan Jan 17 '14 at 7:02
"if the audio player shows the current song in the volume menu with Unity" That is not the panel feature, that is the sound indicator (indicator-sound). "The menu-bar is an another example" That is again not the panel, that is indicator-appmenu. So your question is indeed very unclear, because you say "This question is restricted to interactions with the top panel of Unity." but your examples suggests that you are interested in how the specific indicators work. – falconer Jan 17 '14 at 12:29

Unity has these components (also here):

  • the Launcher (left)
  • the menu panel (top)
  • the Dash
  • non-intrusive on-screen notifications

As requested by the OP (haha :) I restrict myself to the panel, which has:

  • application menu
  • application indicators (also here)
    • Unity comes with some “common indicators”, the system indicators(?)
    • indicators which I didn’t find in the Unity documentation, but which do “normally” exist
      • “session menu”
      • “me menu”?
      • network manager?

...answer not finished...

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