[KCM] Slightly improve tab bar's integration with frame
We don't yet have a real QML tab widget (https://bugs.kde.org/show_bug.cgi?id=394296)
so we have to manufacture our own by combining a TabBar with a frame in which the
This patch slightly improves the look and feel of our manufactured tab widget
by moving the tab portion down a bit so it overlaps the frame, which does a
better job of mimiching the QWidgets version. It's not perfect, but it's at
least no worse with all the themes I tried, and for some it looks better.
It's not always perfect, but for some it's better IMO, and it's at least not worse for any.
Reviewers: drosca, VDG, filipf
Reviewed By: VDG, filipf
Subscribers: filipf, plasma-devel
Differential Revision: https://phabricator.kde.org/D22533