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;;; cal-x.el --- calendar windows in dedicated frames in X
;; Copyright (C) 1994, 1995 Free Software Foundation, Inc.
;; Author: Michael Kifer <kifer@cs.sunysb.edu>
;; Edward M. Reingold <reingold@cs.uiuc.edu>
;; Keywords: calendar
;; Human-Keywords: calendar, dedicated frames, X Window System
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; This collection of functions implements dedicated frames in X for
;; calendar.el.
;; Comments, corrections, and improvements should be sent to
;; Edward M. Reingold Department of Computer Science
;; (217) 333-6733 University of Illinois at Urbana-Champaign
;; reingold@cs.uiuc.edu 1304 West Springfield Avenue
;; Urbana, Illinois 61801
;;; Code:
(require 'calendar)
(defvar calendar-frame nil "Frame in which to display the calendar.")
(defvar diary-frame nil "Frame in which to display the diary.")
;; This should not specify the font. That's up to the user.
;; Certainly it should not specify auto-lower and auto-raise
;; since most users won't like that.
(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)))))
;; Formerly (get-file-buffer diary-file) was added to the list here,
;; but that isn't clean, and the value could even be nil.
(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)
;;; cal-x.el ends here
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