1、Download ibus-table-wubi-1.2.0.20091227 http://code.google.com/p/ibus/downloads/list
2、Compile
tar xvf ibus-table-wubi-1.2.0.20091227.tar.gz
cd ibus-table-wubi-1.2.0.20091227
./configure
make
sudo make install
sudo cp table/wubi86.db /usr/share/ibus-table/tables/
3、Configuration
restart ibus
right click ibus panel,Preferences->Input Method->Select an input method,
and add it to the below table,OK,ctrl+space.