Probably will want this: https://projects.kde.org/projects/kde/workspace/kde-gtk-config
Package Review submitted as bug 1185963
Once 1185963 is done, we can retire kcm-gtk
Well, we can leave the kcm-gtk retirement optional, I recall Kevin saying he preferred that design and may be willing to help port it. In the meantime, I'll dup this to the kde-gtk-config review *** This bug has been marked as a duplicate of bug 1185963 ***