Version:           4.3.2 (using KDE 4.6.2) 
OS:                Linux

When I activate the exposé plugin (that which resize all windows and show all them side-by-side), and try to filter the windows by typing, the filter doesn't accept multi-key chars.

I use the brazilian keyboard, so to type the char "ã", I type "~" and then "a". The normal behavior is it transforms that in "ã", but the kwin filter understands "~a". So, if I have a window named "malhação", I can't type "malhação", but "malhaç~ao", making the filter doesn't work correctly.

The same occours with all the other multi-key chars (á, é, í, ó ã, etc.) 

Reproducible: Always

Steps to Reproduce:
Activate the plugin. If you haven't changed the key shortcut, it's "Ctrl+F9". If you have some windows which has a latin char in title, try to type this char.

Actual Results:  
if you type ~ and then a, the filter captures "~a"

Expected Results:  
the filter must capture "ã"