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Re: inline-block baseline

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Thu, 4 Oct 2012 11:08:53 -0700
Message-ID: <CAAWBYDBje3XiF5Cew0HCx8ir6xzSupyeyuzEndjP8TPvFU1kOw@mail.gmail.com>
To: Tony Chang <tony@chromium.org>
Cc: "www-style@w3.org" <www-style@w3.org>
On Thu, Oct 4, 2012 at 11:02 AM, Tony Chang <tony@chromium.org> wrote:
> What is the baseline of an inline-block with a flexbox in it?  I see 3
> possibilities:
>
> 1) The baseline is the last line box in the flexbox.  This seems to be what
> the last sentence here says: http://www.w3.org/TR/CSS21/visudet.html
>
> 2) The baseline is the bottom of the flexbox.  This would match the behavior
> of tables.  Example: http://jsfiddle.net/84FRJ/
>
> 3) The baseline is the baseline of the flexbox.
>
> This came up in WebKit because the <input type="month"> picker uses a
> horizontal flexbox to hold the date components and center them vertically.
> If the expected behavior is 1 or 3, the input will baseline align
> automatically so I would probably lean towards either of those.  I'm not
> sure what use cases there are to prefer one over the other.

I don't think that baseline-determination should reach farther than
necessary.  Since a flexbox knows what its baseline is, I think the
inline-block should just use that.

~TJ
Received on Thursday, 4 October 2012 18:09:40 GMT

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