# To subscribers of the xforms list from John Levon <email@example.com> :
In my quest to locate a LyX bug (you can find a very brief summary at
I have determined that a canvas we created stops receiving ClientMessage
events when certain xforms dialogs are opened between. The canvas is
created with :
fl_add_canvas(FL_NORMAL_CANVAS, xpos + 1, ypos + 1, 1, 1, "");
And then a handler for ClientMessages is installed with :
(the final argument isn't actually used AFAICS).
Now if some dialogs are opened then the ClientMessages stop arriving to
the GhostscriptMsg handler. I have verified that ghostscript is sending
these out (to the correct window), so I suspect xforms is handling, and
dropping, these ClientMessage events.
I have also verified that changing the message_type value makes no
I tried installing a pre-handler with :
but this doesn't report any events *at all* until I quit LyX !
I tried using another window to deliver the ClientMessage events to, but
the same rule applies.
Can some xforms person who has access to the source code give me some
hints on what processing is done of ClientMessage events ? Is there some
way I can actually get access to the raw X event queue ?
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