Wrapping

You can wrap children elements using the wrap attribute.

wrap

Wrap children elements based on its content size.

<layout wrap style="width: 300px;">
    <column>Alpha</column>
    <column>Beta</column>
    <column>Charlie</column>
    <column>Delta</column>
</layout>

It could also be reversed.

<layout mode="reverse" wrap style="width: 300px;">
    <column>Alpha</column>
    <column>Beta</column>
    <column>Charlie</column>
    <column>Delta</column>
</layout>