Quantum tunneling in LiveCode

[Peter Haworth]

Right, but if you click the button, the group comes before the card not
after the card, I think that's the point of interest.

On Mon, Mar 2, 2015 at 1:38 PM <dunbarx at aol.com> wrote:

> Hi.
>
>
> What Paul said.
>
>
> This would be easy for old HC people, since the background group is like a
> HC backGround, and is higher in the hierarchy (sorry, Jacque) than a card.
>
>
> Craig
>
>
>
> -----Original Message-----
> From: Paul Hibbert <paul at livecode.org>
> To: How to use LiveCode <use-livecode at lists.runrev.com>
> Sent: Mon, Mar 2, 2015 4:34 pm
> Subject: Re: Quantum tunneling in LiveCode
>
>
> Because you set the backgroundBehavior of the "strange group" to true, it's
> effectively after the card in the message path. There's a good explanation
> and
> diagram in chapter 5.2.3 (p.127-9) of the user guide.
>
> HTH
>
> Paul
>
>
> > On Mar 2, 2015, at 1:07 PM, stgoldberg at aol.com wrote:
> >
> > In quantum mechanics something can be in more than one place at once.  A
> paradox of sorts seems to occur in the message chain with groups in
> LiveCode.
> Try this:
> >
> >
> > 1.  Place a button on a card.
> > 2.  Make the button a group. Set the group's backgroundBehavior to true.
> > 3.  Place the following script in the button:
> >
> >
> > on mouseUp
> >  answer "I am a button"
> >  pass mouseUp
> > end mouseUp
> >
> >
> > 4.  Place the following script in the group:
> >
> >
> > on mouseUp
> >  answer "I am a strange group"
> >  pass mouseUp
> > end mouseUp
> >
> >
> > 5.  On the card script write:
> >
> >
> > on mouseUp
> >  answer "I am a card"
> >  pass mouseUp
> > end mouseUp
> >
> >
> > 6.  In the stack script write:
> >
> >
> > on mouseUp
> >  answer "I am a stack"
> > end mouseUp
> >
> >
> >
> >
> > 7. Now click on the button.  You get the sequence:
> > I am a button --> I am a strange group --> I am a card --> I am a stack
> >
> >
> > 8.  Now click on the card.  You get:
> > I am a card --> I am a strange group
> >
> >
> > Where is the strange group, before or after the card?
> >
> >
> > Stephen Goldberg
> > www.medmaster.net
> >
> >
> >
> >
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