c_gtk_cell_renderer_get_size

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GtkCellRenderer* cell, GtkWidget* widget, GdkRectangle* cellArea, gint* xOffset, gint* yOffset, gint* width, gint* height) c_gtk_cell_renderer_get_size;

Meta