Public bug reported:

-------------------------------------------------
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.
--------------------------------------------------

--------------------------------------------------
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.
--------------------------------------------------

** Affects: unity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: desktop focus nautilus unity

** Description changed:

  -------------------------------------------------
  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
+   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 dash that indicates 
a focused window, like Unity is trying to focus, but fails.
+ - 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.
  --------------------------------------------------
  
  --------------------------------------------------
  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 struggle.
  --------------------------------------------------

** Description changed:

  -------------------------------------------------
  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.
  --------------------------------------------------
  
  --------------------------------------------------
  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 struggle.
+ 4) watch unity squirm.
  --------------------------------------------------

-- 
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https://bugs.launchpad.net/bugs/1059226

Title:
  Unity has trouble focussing when desktop isn't drawn

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