Function gtk_sys::gtk_render_insertion_cursor

pub unsafe extern "C" fn gtk_render_insertion_cursor(
    context: *mut GtkStyleContext, 
    cr: *mut cairo_t, 
    x: c_double, 
    y: c_double, 
    layout: *mut PangoLayout, 
    index: c_int, 
    direction: PangoDirection
)