Bug 16322 - same-sign flexibility in flexing algorithm
same-sign flexibility in flexing algorithm
Status: RESOLVED LATER
Product: CSS
Classification: Unclassified
Component: Flexbox
unspecified
PC Windows NT
: P2 normal
: ---
Assigned To: Alex Mogilevsky
public-css-bugzilla
http://dev.w3.org/csswg/css3-flexbox/
:
Depends on:
Blocks:
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Reported: 2012-03-12 08:19 UTC by Alex Mogilevsky
Modified: 2012-04-17 17:17 UTC (History)
3 users (show)

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Description Alex Mogilevsky 2012-03-12 08:19:04 UTC
Current flexing algorithm choses to use either positive or negative flexibility for all items, which helps to ensure it will finish with any combination of flexibility and min/max sizes. This approach doesn't allow to optimize layout by shrinking a large item that is far from both its min and its max sizes, and growing a small item that is close to its preferred size. It may be possible to get a better result by calculating penalties based on actual size change, flexibility settings and where there calculated size is relative to min/max/preferred sizes.

Example to consider:

<flexbox>
    <div style="flex:1 1 auto">long description of something important that is about to happen</div>
    <button style="flex:1 1 auto">I agree</button>
</flexbox>