[Bug 1990] modifier keys not released when switching desktop

[Wine Bugs]

http://bugs.winehq.org/show_bug.cgi?id=1990

[e-mail] changed:

What    |Removed                     |Added
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                 CC|                            |[e-mail]
         AssignedTo|[e-mail]        |[e-mail]
            Version|20040121                    |CVS

------- Additional Comments From [e-mail]  2006-30-03 22:10 -------
It is possible to fix and it's a sami-simple fix.
When wine gets focus back, or when mouse enters it's window, X sends notify with
the current state of all the keys in the system. We process that event in
X11DRV_KeymapNotify. But we only look at modifier keys and not all the keys.
That's one problem. Second problem is that in mouse.c several places query
modifier keys' state and directly set key_state_table. This stops
KEYBOARD_UpdateOneState sending any keyboard events for modifier keys.

I'm trying to fix this but now I have enother problem - modifier keys have left
and right scan codes and vkeys. We need to handle those as well. Or we'll end up
with left or right key being "stuck" in the same way as it is now.