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Ctrl + Space does not work in Ubuntu 12.04.2 LTS

I am using Ubuntu 12.04.2 LTS (64 bit) and the keyboard shortcut Ctrl + Space does not work with my JIdea. I am trying to use it to complete code in an IDE.

There are no system shortcuts assigned to this. And in the JIdea key map this shortcut is shown for Code-> Completion-> Basic, but I can’t even assign it Ctrl + space. (I can change it to any other shortcut)

Basically, Ctrl + Space is a non-op in JIdea, but if I set the system shortcut for some other program, it will work ...

Any suggestions?

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3 answers

If the Completion of an intelligent type code ( Ctrl + Shift + Space ) works while the Main code is Completing ( Ctrl + Space ), I would not say that there is a problem with the key combination, because some other program uses it.

Here is a link for another user who had problems with it for NetBeans and solutions:

The key combination did not work because another program was used. To fix this, I used gconf-editor.

  • Open gconf-editor.
  • Choose desktop → ibus → general → hotkey.
  • Open trigger parameter.
  • Remove the keyboard shortcut Ctrl + Space from the list and click OK.
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Try "sudo apt-get purge ibus" and reboot.

Get rid of ibus at all. For most of us, this means absolutely nothing. JIdea is not the only program that is affected. Eclipse, emacs, even Minecraft for good.

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I had this problem only in KDE (kubuntu) ubuntu 14.04. The problem was that there are ibus Preferences that I was able to open using the keyboard icon in the notification tray. A Ctrl key appeared to go to the Next Login method, which I deleted. Now it works again! Very hard to find!

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