What is the widget name of the Kde bar used in program like Kate? (image inside)

What is the object name of the Kde bar that provide buttons to hide/unhide widgets? I can't find on kde official API references. It's used in program like Kate, Kdevelop. Here the screenshot of the bar of Kate bottom: http://emilio.plugs.it/bar.png

From stackoverflow

• http://developer.kde.org/documentation/tutorials/dot/panel-applets.html

  HTH

• I'm sorry but i think it's not what i need :/ Any other ideas?

• Isn't that a KMultiTabBar?

• yes it is! thank you very much =)