A new Lua function like iup.SetGlobalCallback("GLOBALKEYPRESS_CB",
function_reference) sounds fine to me.
The only other idea I came up with would be somehow to make it more like
defining other IUP control callbacks e.g.
function GlobalThing:globalkeypress_cb() ... end
where "GlobalThing" was some predefined global Lua object representing the
entire IUP application. But I haven't seen any precedent for that sort of
concept in IUP, so I suspect introducing a new SetGlobalCallback function
would be easier to do.
Since I have not been able to play with the global callbacks, I'm just
making assumptions about what they do. I would assume, for instance, that
GLOBALKEYPRESS_CB would be called for any keypress that happens when the
application is in the foreground, and that any relevant control (such as
iup.text) would also have it's KEYPRESS_CB callback triggered for that
same keypress, assuming it had focus. Am I guessing correctly?
Dave Atkinson
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