Calendar widget, contributed by David Naseby
Still could use methods for:
- Get and set the day-of-the-month button properties (e.g. "poppy"
style buttons versus regular pushbuttons)
- Setting the date explicitly, possibly also messages like "advance/back
up one day", "advance/back up one month", etc.
- Should it have a display-only mode? In other words, buttons aren't
clickable, just labels?
Harry Ohlsen (email@example.com) also suggests a facility to jump backward
or forward a year at a time.