gtk:cell-area-activate (area context widget cell flags edit-only)

area -- a gtk:cell-area object
context -- a gtk:cell-area-context object in context with the current row data
widget -- a gtk:widget object that area is rendering on
cell -- a gdk:rectangle instance with the size and location of area relative to allocation of the widget
flags -- a gtk:cell-renderer-state value for area for this row of data
edit-only -- if true then only cell renderers that are :editable will be activated

A boolean whether area was successfully activated.

Activates area, usually by activating the currently focused cell, however some subclasses which embed widgets in the area can also activate a widget if it currently has the focus.