ibus input method does not work in search entry (can not input Chinese words)

Binary package hint: unity

Summary:
The Chinese, Korean, Japanese users can not use language as keywrod search anything in search entry.

Steps to reproduce:
1. ibus-dameon is running.
2. User moves mouse to click search entry
3. User press Ctrl+Space to active input method engine

Expected result:
The input method engine actived, User can type keyword in their language.

Actual result:
The input method engine does not work, User can not type keyword in their language.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: unity
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic-pae 2.6.35.4
Uname: Linux 2.6.35-22-generic-pae i686
Architecture: i386
Date: Thu Oct 28 11:07:30 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate i386 (20100928)
ProcEnviron:
 LANGUAGE=zh_TW.UTF-8
 LC_CTYPE=zh_TW.UTF-8
 LANG=C
 SHELL=/bin/bash
SourcePackage: unity