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Re: [css-grid-1] Track Sizing Algorithm question

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Tue, 3 Jul 2018 00:20:26 -0700
Message-ID: <CAAWBYDD2AZfRwAttNQFJTvJREnVVrWsYGKWOR7fG-+sr-NVMvQ@mail.gmail.com>
To: hekylinwork@gmail.com
Cc: www-style list <www-style@w3.org>
I transferred your email to a GitHub issue
<https://github.com/w3c/csswg-drafts/issues/2873>, please continue
conversation over there.

~TJ
On Mon, Jul 2, 2018 at 11:37 PM Jason.W He <hekylinwork@gmail.com> wrote:
>
> In case of following grid.
>
> --- 65% -- | -- 35% -- |
> min-content
> --- 65% -- | -- 35% -- |
> auto
> --- 65% -- | -- 35% -- |
>
> Two column: 65%, 35%
> Two row: min-content, auto
>
> template-areas:
> "head side"
> "body side"
>
> For row #1's track size, which it use `min-content` to define height of that row. When calculate height, why is row #1 been calculated using items with span of 2?
>
> From spec, it consider items with span of 1 first, then consider at span of 2 that do not span a track with a flexible sizing function. Which the second row `auto` get caught.
>
> When change second row's auto to 1fr (flexible sizing function), it now has correct behaviour.
>
> I have sample to reproduce this under
> https://codepen.io/Nness/pen/MrYMzQ?editors=1100#
>
> When increment items inside area `side`. The area `head`'s height now resize according to `side`.
>
> Is this logical and correct behaviour to increase size of single span item by multiple span item?
>
> It make sense to increase total size of multi-span grid track by item span across multiple track. How is that logical to change size of single-span grid track by item span across multiple track?
>
> All the browser I have tested have exactly same result, does that means they all according to spec and have correct behaviour?
>
> If use flexible sizing function is the only way to get this working and it is according to spec, then in which situation we want to use auto to have multiple span item change single span track's height behaviour?
Received on Tuesday, 3 July 2018 07:21:01 UTC

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