Public bug reported:
I can't disable the default key binding for <Control><Alt>t ("Launch
Terminal") from gnome-control-center. (Note: I use Ubuntu's Japanese
edition, and I merely traslated the menu items into English. They might
be worded slightly differently on actual English-edition systems.)
Steps to reproduce:
0. mutter-common should be installed for these steps to exhibit the bug.
1. Type "gnome-control-center" on the command line.
2. Click on "Keyboard" -> "Shortcuts" -> "Custom Shortcuts".
There should be a binding for "Launch Terminal". I wanted to disable this
binding.
3. Click on the "Launch Terminal" line, and dismiss the dialog it pops up.
4. Now click on the "-" button. The binding will disappear from the list.
5. Close the control center and hit Ctrl-Alt-t in the app of your choice (I
used emacs).
Expected behavior: terminal should no longer start; the currently
focused application should get the keys. gnome-control-center should no
longer show the binding that I deleted.
Actual behavior: terminal starts; the application doesn't see the keys.
If you start gnome-control-center again, you will find that the "Launch
Terminal" shortcut has magically resurrected itself.
It is possible to change the keys bound to "Launch Terminal", and it is
possible to change the action taken when this shortcut is fired. Those
changes stick. But removal of the binding is always silently undone.
Possible cause: I don't know enough about gconf to say for sure, but it
seems like settings introduced in /usr/share/gconf/defaults/* are
treated as "permanent". This particular problem with "Launch Terminal"
is caused by the setting in /usr/share/gconf/defaults/10_mutter-common.
It does not seem to matter whether you use mutter or not; that file
hijacks the settings just by being there.
Workaround: Uninstall mutter-common. Or, set "Launch Terminal" to a key
that you'll never press, like Ctrl+Alt+Shift+F12.
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: gnome-control-center 1:3.4.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Fri Jun 8 17:58:54 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64+mac (20111012)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to precise on 2012-05-17 (22 days ago)
usr_lib_gnome-control-center:
activity-log-manager-control-center 0.9.4-0ubuntu3
deja-dup 22.0-0ubuntu2
gnome-bluetooth 3.2.2-0ubuntu5
indicator-datetime 0.3.94-0ubuntu2
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1010558
Title:
Can't Disable Custom Keyboard Setting
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