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(calendar-list-holidays, list-holidays, calendar-cursor-holidays):

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Use calendar-in-read-only-buffer to replace previous code and disable undo.
This commit is contained in:
Glenn Morris 2008-03-17 02:20:49 +00:00
parent 48844538ae
commit 9449f9ebe4
1 changed files with 29 additions and 48 deletions
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77
lisp/calendar/holidays.el
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@ -90,26 +90,20 @@ holidays are found, otherwise nil."
(progn
(message "Looking up holidays...none found")
nil)
(set-buffer (get-buffer-create holiday-buffer))
(setq buffer-read-only nil)
(increment-calendar-month m1 y1 -1)
(increment-calendar-month m2 y2 1)
(calendar-set-mode-line
(if (= y1 y2)
(format "Notable Dates from %s to %s, %d%%-"
(calendar-month-name m1) (calendar-month-name m2) y2)
(format "Notable Dates from %s, %d to %s, %d%%-"
(calendar-month-name m1) y1 (calendar-month-name m2) y2)))
(erase-buffer)
(insert
(mapconcat
(lambda (x) (concat (calendar-date-string (car x))
": " (cadr x)))
holiday-list "\n"))
(goto-char (point-min))
(set-buffer-modified-p nil)
(setq buffer-read-only t)
(display-buffer holiday-buffer)
(calendar-in-read-only-buffer holiday-buffer
(increment-calendar-month m1 y1 -1)
(increment-calendar-month m2 y2 1)
(calendar-set-mode-line
(if (= y1 y2)
(format "Notable Dates from %s to %s, %d%%-"
(calendar-month-name m1) (calendar-month-name m2) y2)
(format "Notable Dates from %s, %d to %s, %d%%-"
(calendar-month-name m1) y1 (calendar-month-name m2) y2)))
(insert
(mapconcat
(lambda (x) (concat (calendar-date-string (car x))
": " (cadr x)))
holiday-list "\n")))
(message "Looking up holidays...done")
t)))
@ -204,29 +198,22 @@ The optional LABEL is used to label the buffer created."
(displayed-month 2)
(displayed-year y1))
(while (or never (<= d e))
(setq holiday-list (append holiday-list (calendar-holiday-list)))
(setq never nil)
(setq holiday-list (append holiday-list (calendar-holiday-list))
never nil)
(increment-calendar-month displayed-month displayed-year 3)
(setq d (calendar-absolute-from-gregorian
(list displayed-month 1 displayed-year))))
(save-excursion
(set-buffer (get-buffer-create holiday-buffer))
(setq buffer-read-only nil)
(calendar-set-mode-line
(if (= y1 y2)
(format "%s for %s" title y1)
(format "%s for %s-%s" title y1 y2)))
(erase-buffer)
(goto-char (point-min))
(insert
(mapconcat
(lambda (x) (concat (calendar-date-string (car x))
": " (cadr x)))
holiday-list "\n"))
(goto-char (point-min))
(set-buffer-modified-p nil)
(setq buffer-read-only t)
(display-buffer holiday-buffer)
(calendar-in-read-only-buffer holiday-buffer
(calendar-set-mode-line
(if (= y1 y2)
(format "%s for %s" title y1)
(format "%s for %s-%s" title y1 y2)))
(insert
(mapconcat
(lambda (x) (concat (calendar-date-string (car x))
": " (cadr x)))
holiday-list "\n")))
(message "Computing holidays...done"))))
;;;###autoload
@ -262,15 +249,9 @@ The holidays are those in the list `calendar-holidays'."
(message "No holidays known for %s" date-string)
(if (<= (length msg) (frame-width))
(message "%s" msg)
(set-buffer (get-buffer-create holiday-buffer))
(setq buffer-read-only nil)
(calendar-set-mode-line date-string)
(erase-buffer)
(insert (mapconcat 'identity holiday-list "\n"))
(goto-char (point-min))
(set-buffer-modified-p nil)
(setq buffer-read-only t)
(display-buffer holiday-buffer)
(calendar-in-read-only-buffer holiday-buffer
(calendar-set-mode-line date-string)
(insert (mapconcat 'identity holiday-list "\n")))
(message "Checking holidays...done")))))
;;;###cal-autoload