[Haskell-cafe] Exiting GLUT application
dukedave at gmail.com
Tue Jul 31 18:44:28 EDT 2007
Excellent, thank you Marc your advice worked perfectly.
For reference the corrected code reads:
> import Graphics.UI.GLUT
> main = do
> createWindow ""
> actionOnWindowClose $= ContinueExectuion
On 31/07/07, Marc A. Ziegert <coeus at gmx.de> wrote:
> in old glut, the main loop was the core of the single threaded program. exiting it did mean to exit the program completely.
> in freeglut, you have alternatives. but for compatibility, it defaults to the old behaviour.
> - marc
> Am Dienstag, 31. Juli 2007 19:16 schrieb Dave Tapley:
> > Hi everyone, I have the following skeleton GLUT code:
> > > import Graphics.UI.GLUT
> > > main = do
> > > getArgsAndInitialize
> > > createWindow ""
> > > mainLoop
> > It loads into both hugs and ghci fine and when 'main' is evaluated an
> > empty window opens as expected.
> > However when closing the window (clicking the window manager's x
> > button) both hugs and ghci exit with the window, as opposed to
> > returning to the the 'Main>' prompt.
> > I suspect I need some callback to exit the GUI cleanly?
> > Cheers,
> > Dave
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