On Mon, May 17, 2010 at 11:17:31PM +0200, Geoff Bache wrote:
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> Thanks for the tip, hadn't occurred to me to look for Tcl/Tk
> documentation. It didn't really answer the question though and I must
> admit I don't speak Tcl so didn't really follow the example (which
> looked to me like it nested a call to "after" inside a call to
> "after_idle", why would you want to do that?)
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I quote two Masters of Tk:
Idles run until the idle queue is drained. If
an [after idle] reschedules itself endlessly, it
hangs the event loop. [after idle [after 0 ...]]
causes the idle to schedule a timer event that's
immediately ready, so the rescheduled callback is
NOT an idle event and the event loop can make
progress.
idle events are critical to doing a good job of a
GUI; [I have] no idea if they are useful for
anything else ...
One of us needs to write this in readable English. I know *I* am already
backed up ...
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