Painting Order of Reordered Flexbox Items

Spec:
css3-flexbox
Owner:
tabatkins
Status:
Closed
Added:
2012-05-16
Action:
Pick A or B

Background

The 'flex-order' property “reorders” flexbox items, allowing them to display independently of their source order.

Problem Statement

Does this reordering affect painting order? That is, given the following markup:

<flexbox> <a style=“flex-order:2;”>foo</a> <b style=“flex-order:1;”>bar</b> </flexbox>

If the <b> child overlaps the <a> child, should it paint above (that is, according to its source order) or below (according to its display order)?

Proposal(s)

A. 'flex-order' affects the painting order - items moved earlier paint underneath items moved later.

B. 'flex-order' has no effect on painting order - the original source order determines whether things are painted above/below others.

Resolution

Resolved on A.

  1. WebKit's implementation chooses option A.
 
topics/css3-flexbox-painting-order.txt · Last modified: 2012/07/23 17:59 by fantasai
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