wm dropping keypresses since moving to xorg (strange) -- SOLVED

[epilogue]

thanks to some very kind help from dejan, and after a little stress testing
on my end, i believe that it is safe to declare this problem solved.

----------
the fix:
----------

/usr/X11R6/lib/X11/xkb/symbols/pc/pc

<snip>
  //  Fake keys for virtual<->real modifiers mapping 
    key <LVL3> {        [ ISO_Level3_Shift      ]       };
    key <MDSW> {        [ Mode_switch           ]       };
    modifier_map Mod5   { <LVL3>, <MDSW> };

    key <ALT>  {        [ NoSymbol, Alt_L       ]       };
    modifier_map Mod1   { <ALT>, <LALT> };
<snip>

add <RALT> to:
    modifier_map Mod1   { <ALT>, <LALT>, <RALT> };

save file and restart x.


hello anholt,
copying you in case you want to feed this back up the pipe to xorg.  dejan
also located this old link, which you might find of interest:

http://bugs.xfree86.org/show_bug.cgi?id=580


cheers,
epi

--------------
On Mon, 2 Aug 2004 15:42:53 -0400
epilogue <epilogue at allstream.net> wrote:

> 
> hello all,
> 
> well, i was beginning to think that i was either hallucinating or
> suffering from some sort of bizarre nerve damage...   but i seem to have
> made some progress in analysing this problem.
> 
> i have attached a (sorted and commented) file with output from xev.  the
> problem always affects only the right-alt key, despite the various
> xkbmodels i select (or leave blank).
> 
> i also came across two other reports of the same behaviour:
> 
> http://lists.debian.org/debian-devel/2004/06/msg01410.html
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=261816
> 
> as you can see, they're from deb.  they seem to have isolated the problem
> to a symbols/pc file within x11, not fluxbox.  a patch is provided, but
> it does not apply cleanly to the version of xorg that i have installed.
> 
> i would very much appreciate any suggestions.
> 
> 
> thank you,
> epi
> 
> ---------------
> Begin forwarded message:
> 
> Date: Tue, 27 Jul 2004 00:33:30 -0400
> From: epilogue <epilogue at allstream.net>
> To: freebsd-questions at freebsd.org, freebsd-x11 at freebsd.org
> Subject: wm dropping keypresses since moving to xorg (strange)
> 
> 
> hello x11, questions,
> 
> i have some reservations about sending this in, because it sounds a bit
> weird, but i've jumped through all the usual self-serve hoops and i'm
> about at my wits end.
> 
> since switching to xorg, when i alt+tab to a window with my wm of choice
> (fluxbox-devel), the 1st keypress is always dropped in the new window,
> regardless of whether that window is a *term, mail client, browser, ...
> 
> say i alt+tab to an xterm.  for 'man' to appear on the command line, i
> must type 'mman' or 'ccd' for 'cd'.
> 
> the window only drops that 1st key.  if i alt+tab away and come back, it
> will again drop only the 1st key.
> 
> 
> here is what i know:
> 
> 1) it doesn't happen if i use the mouse.
> 2) this problem was not apparent when i tested for it with icewm or
> xfce4. 3) fluxbox used to play very nicely with xfree.
> 
> 
> here is what i've tried:
> 
> 1) google, fbsd and xorg mailing lists.
> 2) contacted the fluxbox developers over irc.  several are running xorg
> and fluxbox on linux without the problems i'm seeing.    (?!)
> 3) rebuilt xorg then fluxbox-devel.  removed .fluxbox to ensure that the
> default settings would load.
> 4) played with xorg.conf (used old xfree.conf, built a new xorg.conf,
> and changed various settings withing xorg.conf)
> 5) attempted to pinpoint the issue via xev, but failed miserably.
> 
> 
> it smells like some sort of 'focus' problem to me.  any suggestions would
> be very much appreciated.
> 
> hoping that i'm not alone here.
> 
> 
> thanks,
> epi
> 
> 
> p.s. a little additional info for any of you who know a bit about fluxbox
> settings.  the problem seems only to occur with those keybindings
> (like alt+tab) which are mapped to 'NextWindow' or 'NextWindow 1' but
> _not_ with 'NextTab'.  naturally, the same holds true for the shift+foo
> combos which translate to 'Previous____'.
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