zzag added a comment.
Also, it's worth to mention glowbar from Oxygen theme (plasma-framework/src/desktoptheme/oxygen/widgets/glowbar.svgz). REPOSITORY R242 Plasma Framework (Library) REVISION DETAIL https://phabricator.kde.org/D18834 To: ndavis, #vdg, rooty Cc: zzag, rooty, rapiteanu, kde-frameworks-devel, michaelh, ngraham, bruns