up vote 30 down vote favorite
10

ctrl+shift+u is a combined shortcut key in Eclipse.

But when I press it, it shows up a u, just like input with an underline. I guess this shortcut has been declared by Ubuntu, so I can't use it.

I used to solve this problem by typing capslock first. Is there any better method?

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migrated from stackoverflow.com Nov 18 '11 at 1:15

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up vote 29 down vote accepted

Found a way to unbind it on Ubuntu 13.10.

Go to Language Support on System Settings and change the Keyboard input method system to none

Then restart the system.

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10  
Just logging out and back in works for me. – Martin Apr 29 '14 at 10:13
up vote 2 down vote

Changing the input method as PutzKipa explains actually fixes the problem.

However, I've failed to find any configuration panel under KDE ubuntu 14.04 to do the job, and the standard im-config utility seems broken. I finally succeeded by creating a file ~/.xinputrc that contains a single line:

run_im xim

then logout/login. This chooses xim as the input method (ibus is the default). If you remove your ~/.xinputrc, then im-config can list the input methods available, even if it fails to select one.

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up vote 1 down vote

Based on previous answers (but with another distro than ubuntu and no ~/.gconf here, they didn't work out of the box), I found the following solution:

$ sudo -s
# echo -e '[desktop/gnome/interface]\nshow_unicode_menu=false' > /etc/dconf/db/ibus.d/01-remove-ctrl-shift-u
# dconf update
# exit
$ killall ibus-engine-simple
$ ibus-engine-simple

Yay, Ctrl+U works again, while still using ibus.

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up vote 0 down vote

Open a terminal window.

cd ~/.gconf/desktop/gnome/interface
gedit %gconf.xml

Change the show_unicode_menu from true to false.

Save, Log out and back in.

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/desktop/gnome/interface/show_unicode_menu is already disabled (false) Question is about keyboard shorcut, not menu. – MᴀʀɪᴜsᴢS Aug 22 '13 at 17:15
    
good use of time, downvoting an answer almost two years old. – John Barry Aug 22 '13 at 18:42
6  
Two years later this question is still valid... so why not? – MᴀʀɪᴜsᴢS Aug 23 '13 at 12:13
    
disabling show_unicode_menu works on elementaryOS, though I use a different tool to do the job: dconf-editor. This point me to the correct key anyway, thank you. – Hoang Tran Jul 10 '16 at 10:08

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