Re: [css-grid] Doubt about grid-auto-flow stack

On Mon, Jul 21, 2014 at 3:17 AM, Manuel Rego Casasnovas <rego@igalia.com> wrote:
> On 17/07/14 05:55, fantasai wrote:
>> On 07/16/2014 08:07 AM, Tab Atkins Jr. wrote:
>>>
>>> I'm thinking we'd just act normally - they'd spread out in the given
>>> row/column like normal.  Only the "fully" auto-placed items would
>>> stack.
>>
>> I was thinking they'd all stack. We told them to stack, right?
>> No reason why they can't stack in the first available slot
>> confined to that particular row/column.
>
> I agree that if we're using "stack" mode, both fully auto-placed and
> 1-dimesnion auto-placed should stack. It seems more coherent.
>
> One option would be that all of them stack in the same cell.
> However, it seems that we prefer to respect the specified dimension in
> the non-fully auto-placed items. So, I guess we'll have to modify the
> spec in several parts:
>
> * In 6.2 Automatic Placement: the grid-auto-flow property:
>   The "stack" definition, as probably it won't be as simple as running
> the auto-placement algorithm with a 1x1 item.
>
> * In 8.5 Grid Item Placement Algorithm:
>   * Step 2. Process the items locked to a given row:
>     For each row we should look for a 1x1 empty cell and place there all
> the related 1-dimension auto-placed items.
>   * Step 4. Position the remaining grid items:
>     * Part 1 - If the item has a definite column position:
>       The same than in the previous case but for columns.

Yeah, I think I'm going to reword that entire subsection into separate
algos for normal, "dense", and "stack".

~TJ