FOSS gamedev and creative worlds

1) When pressing "i" to open the inventory
2) then moving an object / make a craft
3) pressing "i" again to close
4) repressing "i" without moving mouse to reopen, the inventory doesn't open.

When moving mouse before 4th operation, the inventory re-open.

Ver : 0.2.2011.09.22_1
Linux x86

this bug "works" with all gui actions like writing something in chat, editing a sign text and opening pause menu