(require 'calendar)
(defvar calendar-frame nil "Frame in which to display the calendar.")
(defvar diary-frame nil "Frame in which to display the diary.")
(defvar diary-frame-parameters
'((name . "Diary") (title . "Diary") (height . 10) (width . 80)
(unsplittable . t) (minibuffer . nil))
"Parameters of the diary frame, if the diary is in its own frame.
Location and color should be set in .Xdefaults.")
(defvar calendar-frame-parameters
'((name . "Calendar") (title . "Calendar") (minibuffer . nil)
(height . 10) (width . 80) (unsplittable . t) (vertical-scroll-bars . nil))
"Parameters of the calendar frame, if the calendar is in a separate frame.
Location and color should be set in .Xdefaults.")
(defvar calendar-and-diary-frame-parameters
'((name . "Calendar") (title . "Calendar") (height . 28) (width . 80)
(minibuffer . nil))
"Parameters of the frame that displays both the calendar and the diary.
Location and color should be set in .Xdefaults.")
(defvar calendar-after-frame-setup-hooks nil
"Hooks to be run just after setting up a calendar frame.
Can be used to change frame parameters, such as font, color, location, etc.")
(defun calendar-one-frame-setup (&optional arg)
"Start calendar and display it in a dedicated frame together with the diary."
(if (not (display-multi-frame-p))
(calendar-basic-setup arg)
(if (frame-live-p calendar-frame) (delete-frame calendar-frame))
(if (frame-live-p diary-frame) (delete-frame diary-frame))
(let ((special-display-buffer-names nil)
(view-diary-entries-initially t))
(save-window-excursion
(save-excursion
(setq calendar-frame
(make-frame calendar-and-diary-frame-parameters))
(run-hooks 'calendar-after-frame-setup-hooks)
(select-frame calendar-frame)
(if (eq 'icon (cdr (assoc 'visibility
(frame-parameters calendar-frame))))
(iconify-or-deiconify-frame))
(calendar-basic-setup arg)
(set-window-dedicated-p (selected-window) 'calendar)
(set-window-dedicated-p
(display-buffer
(if (not (memq 'fancy-diary-display diary-display-hook))
(get-file-buffer diary-file)
(if (not (bufferp (get-buffer fancy-diary-buffer)))
(make-fancy-diary-buffer))
fancy-diary-buffer))
'diary))))))
(defun calendar-only-one-frame-setup (&optional arg)
"Start calendar and display it in a dedicated frame."
(if (not (display-multi-frame-p))
(calendar-basic-setup arg)
(if (frame-live-p calendar-frame) (delete-frame calendar-frame))
(let ((special-display-buffer-names nil)
(view-diary-entries-initially nil))
(save-window-excursion
(save-excursion
(setq calendar-frame
(make-frame calendar-frame-parameters))
(run-hooks 'calendar-after-frame-setup-hooks)
(select-frame calendar-frame)
(if (eq 'icon (cdr (assoc 'visibility
(frame-parameters calendar-frame))))
(iconify-or-deiconify-frame))
(calendar-basic-setup arg)
(set-window-dedicated-p (selected-window) 'calendar))))))
(defun calendar-two-frame-setup (&optional arg)
"Start calendar and diary in separate, dedicated frames."
(if (not (display-multi-frame-p))
(calendar-basic-setup arg)
(if (frame-live-p calendar-frame) (delete-frame calendar-frame))
(if (frame-live-p diary-frame) (delete-frame diary-frame))
(let ((pop-up-windows nil)
(view-diary-entries-initially nil)
(special-display-buffer-names nil))
(save-window-excursion
(save-excursion (calendar-basic-setup arg))
(setq calendar-frame (make-frame calendar-frame-parameters))
(run-hooks 'calendar-after-frame-setup-hooks)
(select-frame calendar-frame)
(if (eq 'icon (cdr (assoc 'visibility
(frame-parameters calendar-frame))))
(iconify-or-deiconify-frame))
(display-buffer calendar-buffer)
(set-window-dedicated-p (selected-window) 'calendar)
(setq diary-frame (make-frame diary-frame-parameters))
(run-hooks 'calendar-after-frame-setup-hooks)
(select-frame diary-frame)
(if (eq 'icon (cdr (assoc 'visibility
(frame-parameters diary-frame))))
(iconify-or-deiconify-frame))
(save-excursion (diary))
(set-window-dedicated-p
(display-buffer
(if (not (memq 'fancy-diary-display diary-display-hook))
(get-file-buffer diary-file)
(if (not (bufferp (get-buffer fancy-diary-buffer)))
(make-fancy-diary-buffer))
fancy-diary-buffer))
'diary)))))
(setq special-display-buffer-names
(append special-display-buffer-names
(list "*Yahrzeits*" lunar-phases-buffer holiday-buffer
fancy-diary-buffer
other-calendars-buffer calendar-buffer)))
(run-hooks 'cal-x-load-hook)
(provide 'cal-x)