Obtains the coordinates where the label will draw its `PangoLayout`.
The coordinates are useful to convert mouse events into coordinates inside the [[email protected]], e.g. to take some action if some
part of the label is clicked. Remember when using the [[email protected]] functions you need to convert to and from pixels using
PANGO_PIXELS or [[email protected]].
| this |
a `GtkLabel` |
| x |
location to store X offset of layout |
| y |
location to store Y offset of layout |