Does a context-menu-based application menu exist?

@skyfishgoo, I didn’t understand what you meant by that, until I visited @dzon’s URI:

Setting it to the middle button is perfect!

  1. If anyone notices the broken entry, you needn’t report it - I’ve filed it at bugs.kde.org/show_bug.cgi?id=499474#c0.

If only I could have that invocable from a button in my panel. Does anyone have any ideas?