Bug#577813: 577813 - additional info

Wed Apr 14 22:10:29 UTC 2010

libgtk2.0-0 is definitely the correct place for this bug. Reverting to
2.18.9-2 fixes this particular issue. Installing 2.19.1-1 or higher
causes the issue to appear.
Arch doesn't have it fixed, but the descriptions there are pretty
good. It's only an issue (at least in Thunar, 32 bit) in detail view,
after descending at least 1 level. If you start out navigating with
the keyboard then it works just fine, but if you descend one level
then neither mouse not keyboard works.

Switching to icon or compact view enables navigation again. If you
switch to icon/compact view then switch back you can navigate down one
level in detailed view, then it locks out folder navigation again
(although you can rinse/repeat with icon/compact view).