Motivation: In an appplication I'm using, Alt+Shift+R is taken up by -- well, never mind what, something app-specific. However, on my Linux system (Kubuntu 12.04 specifically), when I press Alt+Shift without depressing any of these two keys, the keyboard layout changes.

Question: How can I make the keyboard layout change in X only take place if I depress Alt and Shift, but not if I press another key before depressing them? So that Alt+Shift+R only affects the application in my example?

  • Have you found the solution?
    – madhead
    May 26, 2016 at 23:23
  • @madhead: Unfortunately not. If I had a lot more reputation I might have offered a bounty. Although... I've learned to tolerate it for lack of an alternative.
    – einpoklum
    Jun 20, 2016 at 20:28
  • after a quick googling it seems to me that it is a fundamental issue somewhere in XKB (or whatever they use). So, I've switched to Alt + Caps which is almost the same as Alt + Shift and isn't used in other places.
    – madhead
    Jun 20, 2016 at 22:21
  • @madhead, a newer question linked to this one and seems to have come to a similar conclusion as you did. Your workaround could be useful to others with the same problem. Consider posting it as an answer.
    – fixer1234
    Apr 17, 2017 at 18:06
  • @madhead: It's really not almost the same, it's quite different, and what's more important - it's uncommon and surprising to others :-(
    – einpoklum
    Apr 17, 2017 at 19:06

1 Answer 1


Possible workaround

Go in Settings -> Text Entry. Change the keyboard shortcut from Super+Space to something else (ex. Ctrl+Space).

Good luck

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