Prevent overlapping docked elements

Question

Having a element docked in "fill" mode, another one on "right":

Expected:

_________________________
|             ||    2    |
|      1      ||_________|
|             |
|_____________|

Got

_________________________
|              |    2    |
|          1   |_________|
|                        |
|________________________|

It depends on the order by which you put the elements in the designer view.

Answer 1

Select the offending group box (block 1 in the example) then click the "Bring to Front" button in the context menu.

Source