[plt-scheme] Re: Multitasking

From: Peter Ngo (pngo23 at gmail.com)
Date: Mon Mar 23 18:30:37 EDT 2009

Well i got it to work with a (thread ...) finally.
But I'm still curious to see how you guys would do it ;)

2009/3/23 Peter Ngo <pngo23 at gmail.com>:
> I was wondering how you would manage multitasking with Scheme,
> e.g:
> adding some bitmap objects in a list with a delay of 2 seconds
> and repaint the canvas showing the modifications in real time(?).
> I thought about the timer% class which would
> do a (send canvas on-paint) as a notify-callback but it didnt seem good to me.
> Would it be better with (thread lambda() ....) ( which i don't really
> understand ...) ?
> Or is there a way to use events/handlers?
> I didn't learn anything about events except for changing the canvas%
> class in scheme/gui to cope with mouse events...

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