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().
the GtkWidget that area is rendering onto
the widget relative coordinates where one of area's cells is to be placed
the return location for the inner cell area. out Since 3.0
See Implementation
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().