Group resizing.

[hakan at exformedia.se]

You probably need to lock messages in the beginning of your resizeControl. Otherwise the group will adapt to your resizing of your controls. I usually begin with both lock messages and lock screen, but the last is more for optimization.

Håkan
On 3 May 2020, 16:22 +0200, Alex Tweedly via use-livecode <use-livecode at lists.runrev.com>, wrote:
> I realized after the discussion last week about resizing that I was
> missing the benefits of "resizeControl" being sent to each group, so I
> changed one of my resize handlers to make use of groups (adding a few
> groups along the way).
>
> And it all went wrong :-(
>
> Eventually I traced it down to the following ... and don't know if I'm
> missing something or if I've bumped into a bug.
>
> The resize handler is
>
> > on resizeControl
> >    set the width of field "list titles" of me to the width of me - 20
> >    put "B" && the rect of me && the bottom of me &CR after msg
> >    set the left of field "list titles" of me to 10
> >    put "C" && the rect of me && the bottom of me &CR after msg
> >    local tR
> >    put 10, the top of me, the right of me -10, the bottom of me-10 into tR
> >    set the rect of fld "List" of me to tR
> > end resizeControl
>
> Note the two "put ... msg" statements. - for no reason I can figure out,
> the "bottom of me" changes between these two statements. Here's the
> output from the message box:
>
> > B 5,32,331,468 468
> > C 6,32,325,2618 2618
> > B 5,32,331,471 471
> > C 5,32,320,2622 2622
> > B 5,32,331,473 473
> > C 5,32,320,2626 2626
> >
> If I comment out that "set the left of ..." statement, all apparently
> works as expected.
>
> Why should setting the 'left' of a control change the bottom of its
> enclosing group ?
>
> And why change it to an apparently silly value ?
>
> -- Alex.
>
>
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