| Value | Meaning |
|---|---|
| SHOW_HEADING1 | Specifies that the month and year should be displayed. |
| SHOW_DAY_NAMES2 | Specifies that three letter day descriptions should be present. |
| NO_MONTH_CHANGE4 | Prevents the user from switching months with the calendar. |
| SHOW_WEEK_NUMBERS8 | Displays each week numbers of the current year, down the left side of the calendar. |
| SHOW_DETAILS32 | Just show an indicator, not the full details text when details are provided. See Calendar.setDetailFunc. |
These options can be used to influence the display and behaviour of a gtk.Calendar