Problem with Multi-Key Sequences... They Seem To Be Filtered Out By XWin

["Cutler, David (NonStop)" <david dot cutler at hp dot com>]

Hello,

I downloaded a new copy of Cygwin in the last 5 days (effectively started from scratch) and am trying to use XWin on a Windows 7 virtual machine running an old proprietary X program (it's called x6530 which is a terminal emulator for a proprietary terminal built originally by Tandem Computers and now owned by Hewlett Packard.) 

I start up the server and window manager using the following command:
	   /usr/bin/setsid \
                     /usr/bin/XWin \
                     -mwextwm \
                     -multimonitors \
                     -internalwm \
                     -nowinkill \
                    &

I'm trying to use multi-key sequences like Control_L-Alt_L-F6, Shift_L-Control_L-F6, etc.  I do see that xev recognizes these sequences but the Control_L and Alt_L keys seem to be filtered out when I run x6530.   All it seems to get is F6 or Shift_L-F6.

I've tried different window managers, run /usr/bin/XWin directly, used the right-hand modification keys like Control_R,  etc. and no matter what I try, I see the same filtering behavior in x6530.    I have recently used exceed (formally owned by Hummingbird) with x6530 and the Control_L and Alt_L keys are passed to x6530 as expected so my suspicion is that XWin is responsible for the unwanted behavior of filtering out the keys like Control_L and Alt_L keys.

Is this the case?  Is there a way to get these sequences "unfiltered".

 If there is additional information I can provide, please let me know.

Thanks for any information you can provide.

-David Cutler

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