Snapshot.renderFocus
void renderFocus(gtk.style_context.StyleContext context, double x, double y, double width, double height)Creates a render node for the focus outline according to context, and appends it to the current node of snapshot, without changing the current node.
Parameters
context | the style context that defines the focus ring |
x | X origin of the rectangle |
y | Y origin of the rectangle |
width | rectangle width |
height | rectangle height |