innerCellArea
open fun innerCellArea(widget: Widget, cellArea: <Error class: unknown class>, innerArea: <Error class: unknown class>)
This is a convenience function for GtkCellArea implementations to get the inner area where a given GtkCellRenderer will be rendered. It removes any padding previously added by gtk_cell_area_request_renderer().
Parameters
widget
the GtkWidget that @area is rendering onto
cellArea
the @widget relative coordinates where one of @area’s cells is to be placed
innerArea
the return location for the inner cell area