lisp/calendar/cal-x.el

   1 ;;; cal-x.el --- calendar windows in dedicated frames in X
   2
   3 ;; Copyright (C) 1994, 1995 Free Software Foundation, Inc.
   4
   5 ;; Author: Michael Kifer <kifer@cs.sunysb.edu>
   6 ;;      Edward M. Reingold <reingold@cs.uiuc.edu>
   7 ;; Keywords: calendar
   8 ;; Human-Keywords: calendar, dedicated frames, X Window System
   9
  10 ;; This file is part of GNU Emacs.
  11
  12 ;; GNU Emacs is free software; you can redistribute it and/or modify
  13 ;; it under the terms of the GNU General Public License as published by
  14 ;; the Free Software Foundation; either version 2, or (at your option)
  15 ;; any later version.
  16
  17 ;; GNU Emacs is distributed in the hope that it will be useful,
  18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20 ;; GNU General Public License for more details.
  21
  22 ;; You should have received a copy of the GNU General Public License
  23 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  25 ;; Boston, MA 02111-1307, USA.
  26
  27 ;;; Commentary:
  28
  29 ;; This collection of functions implements dedicated frames in X for
  30 ;; calendar.el.
  31
  32 ;; Comments, corrections, and improvements should be sent to
  33 ;;  Edward M. Reingold               Department of Computer Science
  34 ;;  (217) 333-6733                   University of Illinois at Urbana-Champaign
  35 ;;  reingold@cs.uiuc.edu             1304 West Springfield Avenue
  36 ;;                                   Urbana, Illinois 61801
  37
  38 ;;; Code:
  39
  40 (require 'calendar)
  41
  42 (defvar calendar-frame nil "Frame in which to display the calendar.")
  43
  44 (defvar diary-frame nil "Frame in which to display the diary.")
  45
  46 ;; This should not specify the font.  That's up to the user.
  47 ;; Certainly it should not specify auto-lower and auto-raise
  48 ;; since most users won't like that.
  49 (defvar diary-frame-parameters
  50   '((name . "Diary") (height . 10) (width . 80) (unsplittable . t)
  51     (minibuffer . nil))
  52   "Parameters of the diary frame, if the diary is in its own frame.
  53 Location and color should be set in .Xdefaults.")
  54
  55 (defvar calendar-frame-parameters
  56   '((name . "Calendar") (minibuffer . nil) (height . 10) (width . 80)
  57     (unsplittable . t) (vertical-scroll-bars . nil))
  58   "Parameters of the calendar frame, if the calendar is in a separate frame.
  59 Location and color should be set in .Xdefaults.")
  60
  61 (defvar calendar-and-diary-frame-parameters
  62   '((name . "Calendar") (height . 28) (width . 80) (minibuffer . nil))
  63   "Parameters of the frame that displays both the calendar and the diary.
  64 Location and color should be set in .Xdefaults.")
  65
  66 (defvar calendar-after-frame-setup-hooks nil
  67   "Hooks to be run just after setting up a calendar frame.
  68 Can be used to change frame parameters, such as font, color, location, etc.")
  69
  70 (defun calendar-one-frame-setup (&optional arg)
  71   "Start calendar and display it in a dedicated frame together with the diary."
  72   (if (not window-system)
  73       (calendar-basic-setup arg)
  74     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
  75     (if (frame-live-p diary-frame) (delete-frame diary-frame))
  76     (let ((special-display-buffer-names nil)
  77           (view-diary-entries-initially t))
  78       (save-window-excursion
  79         (save-excursion
  80           (setq calendar-frame
  81                 (make-frame calendar-and-diary-frame-parameters))
  82           (run-hooks 'calendar-after-frame-setup-hooks)
  83           (select-frame calendar-frame)
  84           (if (eq 'icon (cdr (assoc 'visibility
  85                                      (frame-parameters calendar-frame))))
  86               (iconify-or-deiconify-frame))
  87           (calendar-basic-setup arg)
  88           (set-window-dedicated-p (selected-window) 'calendar)
  89           (set-window-dedicated-p
  90            (display-buffer
  91             (if (not (memq 'fancy-diary-display diary-display-hook))
  92                 (get-file-buffer diary-file)
  93               (if (not (bufferp (get-buffer fancy-diary-buffer)))
  94                   (make-fancy-diary-buffer))
  95               fancy-diary-buffer))
  96            'diary))))))
  97
  98 (defun calendar-two-frame-setup (&optional arg)
  99   "Start calendar and diary in separate, dedicated frames."
 100   (if (not window-system)
 101       (calendar-basic-setup arg)
 102     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
 103     (if (frame-live-p diary-frame) (delete-frame diary-frame))
 104     (let ((pop-up-windows nil)
 105           (view-diary-entries-initially nil)
 106           (special-display-buffer-names nil))
 107       (save-window-excursion
 108         (save-excursion (calendar-basic-setup arg))
 109         (setq calendar-frame (make-frame calendar-frame-parameters))
 110         (run-hooks 'calendar-after-frame-setup-hooks)
 111         (select-frame calendar-frame)
 112         (if (eq 'icon (cdr (assoc 'visibility
 113                                   (frame-parameters calendar-frame))))
 114             (iconify-or-deiconify-frame))
 115         (display-buffer calendar-buffer)
 116         (set-window-dedicated-p (selected-window) 'calendar)
 117         (setq diary-frame (make-frame diary-frame-parameters))
 118         (run-hooks 'calendar-after-frame-setup-hooks)
 119         (select-frame diary-frame)
 120         (if (eq 'icon (cdr (assoc 'visibility
 121                                   (frame-parameters diary-frame))))
 122             (iconify-or-deiconify-frame))
 123         (save-excursion (diary))
 124         (set-window-dedicated-p
 125          (display-buffer
 126           (if (not (memq 'fancy-diary-display diary-display-hook))
 127               (get-file-buffer diary-file)
 128             (if (not (bufferp (get-buffer fancy-diary-buffer)))
 129                 (make-fancy-diary-buffer))
 130             fancy-diary-buffer))
 131          'diary)))))
 132
 133 (setq special-display-buffer-names
 134       (append special-display-buffer-names
 135               (list "*Yahrzeits*" lunar-phases-buffer holiday-buffer
 136                     fancy-diary-buffer (get-file-buffer diary-file)
 137                     calendar-buffer)))
 138
 139 (run-hooks 'cal-x-load-hook)
 140
 141 (provide 'cal-x)
 142
 143 ;;; cal-x.el ends here