Binary package “libkf5widgetsaddons5” in ubuntu kinetic

add-on widgets and classes for applications that use the Qt Widgets module

 Provided are action classes that can be added to toolbars or menus,
 a wide range of widgets for selecting characters, fonts, colors,
 actions, dates and times, or MIME types, as well as platform-aware
 dialogs for configuration pages, message boxes, and password requests.