Unity has trouble focussing when desktop isn't drawn

[Hugo Venhorst]

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system info:

1) Description: Ubuntu quantal (development branch)
Release: 12.10

2) unity:
  Geïnstalleerd: 6.6.0-0ubuntu1
  Kandidaat: 6.6.0-0ubuntu1
  Versietabel:
 *** 6.6.0-0ubuntu1 0
        500 http://archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
        100 /var/lib/dpkg/status

3) expected behavior: when not drawing a desktop, and not focussing a window, unity should focus on itself to keep keyboard input

4) what happened instead:

( Some while ago i noticed nautilus wasn't drawing the desktop anymore, despite show_desktop being enabled in gconf and dconf.
After some google-fu i found out the package ubuntu-settings wasn't installed.
I installed ubuntu-settings, which fixed that issue. )

During ths, i noticed something else:

When nothing is drawing the desktop (besides compiz itself), Unity doesn't know what to focus.
- Unity tries to switch to the next window.
- If that window is minimized, the system becomes really unresponsive.
You can see a flashing of the right-side triangle on the launcher that indicates a focused window, like Unity is trying to focus, but fails.
The global menu is that of the minimized window.
- When no window is focused, Unity does not respond to keyboard input

Does it need to be Nautilus, or does any desktop drawing program suffice?

I think it should be possible to not have nautilus or other program draw a desktop.
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how to repeat issue:

1) uncheck nautilus show_desktop in dconf/gconf, or:
1a) uninstall nautilus
2) log out and back in

# notice that when no window is focused, Unity does not respond to any keyboard input. one click on panel/launcher to focus Unity, or open Dash/launch program via mouse.

3) lauch a program, and minimize it
4) watch unity squirm.
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[Omer Akram (om26er)]

Thanks for the bug report. This particular bug has already been reported and is a duplicate of bug 952321, so is being marked as such. Any further discussion regarding the bug should occur in the other report. Feel free to report any other bugs you may find.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.