Description of problem:
When I input something with iiimx on kedit say, the candidate window is hidden
when I change the focus to another window and the focus is back.

Version-Release number of selected component (if applicable):
iiimf-x-12.2-4

How reproducible:


Steps to Reproduce:
1.run kedit with ja_JP.UTF-8 locale say.
2.type a k a space and change the focus to other window.
3.back to kedit
  
Actual results:
the candidate window is hidden and the preedit decoration is still there but
it's not a preedit string actually.

Expected results:
the candidate window should be shown properly and continue the preediting.

Additional info: