Re: [Gtk2hs-devel] A few suggested improvements

[Daniel W. <dm...@dm...>]

Excerpts from Norbert Zeh's message of 2014-09-14 16:33:00 -0700:
> EventM should export the type classes HasCoordinates, HasRootCoordinates,

As discussed in the documentation, these classes are intentionally not
exported to prevent users from declaring instances for these for types
that really don't support them. This would lead to a runtime error when
we ask Gtk for a coordinate that doesn't exist in the event.

~d