W3C home > Mailing lists > Public > www-style@w3.org > December 2012

Re: [css3-flexbox] stretch apply to percentage heights WAS: Children of flex items ignoring cross-axis percentage length

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Mon, 10 Dec 2012 10:09:06 -0800
Message-ID: <CAAWBYDALU_AHRyF-wpRt8fXfLbSVkgw0TC3XDFrJnMppm=QD-g@mail.gmail.com>
To: Rossen Atanassov <Rossen.Atanassov@microsoft.com>
Cc: Ojan Vafai <ojan@chromium.org>, Rudolph Gottesheim <r.gottesheim@loot.at>, Morten Stenshorne <mstensho@opera.com>, "www-style@w3.org" <www-style@w3.org>
On Sun, Dec 9, 2012 at 5:09 PM, Rossen Atanassov
<Rossen.Atanassov@microsoft.com> wrote:
>> Okay, based on this thread and the existing browser behavior, we've clarified
>> step 11 in the layout algo to say that it looks at the
>> *computed* value of the cross-size property to tell whether it can stretch or
>> not.  Based on the errata mentioned in this thread, that means that
>> percentages which later turn into auto behavior won't get stretched.
>> If someone feels strongly that we should instead be using used-value-time
>> auto (which is theoretically possible, since this is happening in the middle of
>> layout), speak up!
> What was the reason to refer to the computed instead of used value here, perf?

I'm not sure if it's better perf or not, but it's simpler unless
there's a good reason to do otherwise.

> I am more interested to see behavior where flex items don't overlap, so let's try to work on that.

?  This has nothing to do with flex items overlapping (note that it's
about the cross-axis).

Received on Monday, 10 December 2012 18:09:55 UTC

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