Returns the area that will be affected (i.e. drawn to) when calling gtk_render_background() for the given @context and rectangle.
a #GtkStyleContext
X origin of the rectangle
Y origin of the rectangle
rectangle width
rectangle height
return location for the clip
3.20
See Implementation
Returns the area that will be affected (i.e. drawn to) when calling gtk_render_background() for the given @context and rectangle.