[Haskell-cafe] gloss from ghci

Sven Panne svenpanne at gmail.com
Mon Jan 23 14:50:54 UTC 2017

2017-01-20 22:34 GMT+01:00 Johannes Waldmann <
johannes.waldmann at htwk-leipzig.de>:

> I am trying to use  gloss https://hackage.haskell.org/package/gloss from
> ghci. The "display" command will open a  indow and draw the picture on it
> just fine.
> But when I close this window by hitting ESC, ghci  prints   <interactive>:
> interrupted and exits, so I'm back at the shell from where I started ghci.
> [...]

This is caused by:


GLUT's actionOnWindowClose *does* work, at least it does nowadays, the line
in question is from 2011. I've just tested my HSuperBible7 package under
ghci, and you can start/stop/restart the examples from the prompt. The
relevant lines:



I think this is worth a ticket in the gloss project...

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