[ CCode ( cname = "gtk_render_focus" ) ]
public void render_focus (Context cr, double x, double y, double width, double height)
Renders a focus indicator on the rectangle determined by x, y, width, height.
Typical focus rendering:
| cr |
a `cairo_t` |
| x |
X origin of the rectangle |
| y |
Y origin of the rectangle |
| width |
rectangle width |
| height |
rectangle height |
| context |
a `GtkStyleContext` |