marten added a comment.
This is what happens with a QFormLayout with fieldGrowthPolicy=ExpandingFieldsGrow and fields' sizePolicy=MinimumExpanding/Fixed. The effect is not good - it moves the spin box controls a long way away. Shall I stick with the grid layout? F349555: mouse-kcmshell-after-3.png <https://phabricator.kde.org/F349555> REPOSITORY rPLASMADESKTOP Plasma Desktop REVISION DETAIL https://phabricator.kde.org/D2853 EMAIL PREFERENCES https://phabricator.kde.org/settings/panel/emailpreferences/ To: marten, #plasma, davidedmundson Cc: mart, plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas