"Roland Winkler" <wink...@gnu.org> writes:
> On Thu Nov 28 2013 Uwe Brauer wrote:
>> I use
>> (require 'bbdb-anniv)
>> (add-hook 'list-diary-entries-hook #'bbdb-include-anniversaries)
>>
>> In my 2.35 bbdb version and I do see the anniversaries marked in the
>> calendar. Are you saying this is not possible in vs 3?
>
> You are talking about which version of bbdb-anniv.el and which
> version of Emacs?
>
> For bbdb 2.35, I only know bbdb-anniv.el by Ivar Rummelhoff (dated
> 1998). This code uses add-to-diary-list to communicate with diary,
> and this function is also used by bbdb-anniv.el in BBDB 3. With
> recent versions of GNU Emacs, add-to-diary-list only works with the
> diary buffer, but -to the best of my knowledge- it cannot mark these
> entries in the calendar buffer.
>
> I'd certainly be glad to know if and how this approach can also be
> extended to marking entries in the calendar buffer.
>
> Roland
It might be worth looking at the code in org-bbdb.el:
org-bbdb-make-anniv-hash builds a hash table of all anniversaries in the
BBDB, which would be a useful starting place. Key is (month date), value
is ((year record-name anniversary-type) (year record-name
anniversary-type) etc). Load org-bbdb.el and populate the hash with
org-bbdb-make-anniv-hash.
Then some setup:
(add-hook 'calendar-move-hook
(lambda ()
(maphash (lambda (k v)
(calendar-mark-visible-date
`(,(car k) ,(cadr k) ,displayed-year)) ; later add custom face
org-bbdb-anniv-hash)))
And then this, a mashup of calendar-cursor-holidays and
bbdb-anniv-diary-entries:
(defun bbdb-anniv-cursor-anniv (&optional date)
(interactive)
(or date (setq date (calendar-cursor-to-date t)))
(let* ((date-string (calendar-date-string date))
(m (car date))
(d (second date))
(anniv-list (gethash (list m d) org-bbdb-anniv-hash))
leaps msg)
;; leap year handling from bbdb-anniv
(when (and (= m 3) (= d 1)
(not (null (gethash (list 2 29) org-bbdb-anniv-hash)))
(not (calendar-leap-year-p y)))
(setq leaps (gethash (list 2 29) org-bbdb-anniv-hash))
(mapcar (lambda (l)
(push l anniv-list)) leaps))
(when anniv-list
(setq msg
(format "%s: %s" date-string
(mapconcat
(lambda (a)
(let ((form (cdr (assoc (intern (nth 2 a))
bbdb-anniv-alist)))
yy text ord)
(setq yy (if (car a)
(- (calendar-extract-year date) (car a))
100)
ord (when (> yy 0) (diary-ordinal-suffix yy))
text (or form
"unspecified for %n")
text (replace-regexp-in-string "\\`[ \t]+" ""
text)
text (replace-regexp-in-string "[ \t]+\\'" ""
text)
text (replace-regexp-in-string "%n" (nth 1 a)
text))
(if (and yy ord)
(format text yy ord)
text)))
anniv-list "; ")))
(message "%s" msg))))
(add-hook 'calendar-mode-hook
(lambda ()
(define-key calendar-mode-map (kbd "b")
'bbdb-anniv-cursor-anniv)))
This is the simplest hack, but obviously we wouldn't want to borrow org
code, and bbdb-anniv could probably use some refactoring. But it's a
starting place. Would a separate anniversary hash table be something
desirable in BBDB itself? Or
Anyway, food for thought.
Eric
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