Fcitx

Fcitx (Free Chinese Input Toy for X) [ˈfaɪtɪks] is an input method framework with extension support.

Installation
Install :

Using Fcitx
In order to use Fcitx in X, you need to add these environment variables (you need to export them after setting these variables):

If you use GDM, KDM or LightDM to login, add them to. If you use startx, SLiM, etc. to login, add them to.

If you installed with gtk, gtk3 or qt4 USE flags   will be `fcitx', otherwise it should be `xim'.

It is recommended to start the D-Bus session bus before Fcitx starts. Add these to the beginning of your X startup file ( or ):

Configuration
You can edit Fcitx's configuration file at.

Also, there is a tool to configure Fcitx called (You may need to add the '~arch' keyword in  to install it).

There is also a tool called kcm-fcitx. (TO DO)