lisp/calendar/cal-x.el

   1 ;;; cal-x.el --- calendar windows in dedicated frames in X
   2
   3 ;; Copyright (C) 1994, 1995, 2001, 2002, 2003, 2004, 2005, 2006
   4 ;;   Free Software Foundation, Inc.
   5
   6 ;; Author: Michael Kifer <kifer@cs.sunysb.edu>
   7 ;;      Edward M. Reingold <reingold@cs.uiuc.edu>
   8 ;; Maintainer: Glenn Morris <rgm@gnu.org>
   9 ;; Keywords: calendar
  10 ;; Human-Keywords: calendar, dedicated frames, X Window System
  11
  12 ;; This file is part of GNU Emacs.
  13
  14 ;; GNU Emacs is free software; you can redistribute it and/or modify
  15 ;; it under the terms of the GNU General Public License as published by
  16 ;; the Free Software Foundation; either version 2, or (at your option)
  17 ;; any later version.
  18
  19 ;; GNU Emacs is distributed in the hope that it will be useful,
  20 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22 ;; GNU General Public License for more details.
  23
  24 ;; You should have received a copy of the GNU General Public License
  25 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  26 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  27 ;; Boston, MA 02110-1301, USA.
  28
  29 ;;; Commentary:
  30
  31 ;; This collection of functions implements dedicated frames in X for
  32 ;; calendar.el.
  33
  34 ;; Comments, corrections, and improvements should be sent to
  35 ;;  Edward M. Reingold               Department of Computer Science
  36 ;;  (217) 333-6733                   University of Illinois at Urbana-Champaign
  37 ;;  reingold@cs.uiuc.edu             1304 West Springfield Avenue
  38 ;;                                   Urbana, Illinois 61801
  39
  40 ;;; Code:
  41
  42 (require 'calendar)
  43
  44 (defvar calendar-frame nil "Frame in which to display the calendar.")
  45
  46 (defvar diary-frame nil "Frame in which to display the diary.")
  47
  48 ;; This should not specify the font.  That's up to the user.
  49 ;; Certainly it should not specify auto-lower and auto-raise
  50 ;; since most users won't like that.
  51 (defvar diary-frame-parameters
  52   '((name . "Diary") (title . "Diary") (height . 10) (width . 80)
  53     (unsplittable . t) (minibuffer . nil))
  54   "Parameters of the diary frame, if the diary is in its own frame.
  55 Location and color should be set in .Xdefaults.")
  56
  57 (defvar calendar-frame-parameters
  58   '((name . "Calendar") (title . "Calendar") (minibuffer . nil)
  59     (height . 10) (width . 80) (unsplittable . t) (vertical-scroll-bars . nil))
  60   "Parameters of the calendar frame, if the calendar is in a separate frame.
  61 Location and color should be set in .Xdefaults.")
  62
  63 (defvar calendar-and-diary-frame-parameters
  64   '((name . "Calendar") (title . "Calendar") (height . 28) (width . 80)
  65     (minibuffer . nil))
  66   "Parameters of the frame that displays both the calendar and the diary.
  67 Location and color should be set in .Xdefaults.")
  68
  69 (defvar calendar-after-frame-setup-hooks nil
  70   "Hooks to be run just after setting up a calendar frame.
  71 Can be used to change frame parameters, such as font, color, location, etc.")
  72
  73 (defun calendar-one-frame-setup (&optional arg)
  74   "Start calendar and display it in a dedicated frame together with the diary.
  75 This function requires a display capable of multiple frames, else
  76 `calendar-basic-setup' is used instead."
  77   (if (not (display-multi-frame-p))
  78       (calendar-basic-setup arg)
  79     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
  80     (if (frame-live-p diary-frame) (delete-frame diary-frame))
  81     (let ((special-display-buffer-names nil)
  82           (view-diary-entries-initially t))
  83       (save-window-excursion
  84         (save-excursion
  85           (setq calendar-frame
  86                 (make-frame calendar-and-diary-frame-parameters))
  87           (run-hooks 'calendar-after-frame-setup-hooks)
  88           (select-frame calendar-frame)
  89           (if (eq 'icon (cdr (assoc 'visibility
  90                                      (frame-parameters calendar-frame))))
  91               (iconify-or-deiconify-frame))
  92           (calendar-basic-setup arg)
  93           (set-window-dedicated-p (selected-window) t)
  94           (set-window-dedicated-p
  95            (display-buffer
  96             (if (not (memq 'fancy-diary-display diary-display-hook))
  97                 (get-file-buffer diary-file)
  98               (if (not (bufferp (get-buffer fancy-diary-buffer)))
  99                   (make-fancy-diary-buffer))
 100               fancy-diary-buffer))
 101            t))))))
 102
 103 (defun calendar-only-one-frame-setup (&optional arg)
 104   "Start calendar and display it in a dedicated frame.
 105 This function requires a display capable of multiple frames, else
 106 `calendar-basic-setup' is used instead."
 107   (if (not (display-multi-frame-p))
 108       (calendar-basic-setup arg)
 109     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
 110     (let ((special-display-buffer-names nil)
 111           (view-diary-entries-initially nil))
 112       (save-window-excursion
 113         (save-excursion
 114           (setq calendar-frame
 115                 (make-frame calendar-frame-parameters))
 116           (run-hooks 'calendar-after-frame-setup-hooks)
 117           (select-frame calendar-frame)
 118           (if (eq 'icon (cdr (assoc 'visibility
 119                                      (frame-parameters calendar-frame))))
 120               (iconify-or-deiconify-frame))
 121           (calendar-basic-setup arg)
 122           (set-window-dedicated-p (selected-window) t))))))
 123
 124 (defun calendar-two-frame-setup (&optional arg)
 125   "Start calendar and diary in separate, dedicated frames.
 126 This function requires a display capable of multiple frames, else
 127 `calendar-basic-setup' is used instead."
 128   (if (not (display-multi-frame-p))
 129       (calendar-basic-setup arg)
 130     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
 131     (if (frame-live-p diary-frame) (delete-frame diary-frame))
 132     (let ((pop-up-windows nil)
 133           (view-diary-entries-initially nil)
 134           (special-display-buffer-names nil))
 135       (save-window-excursion
 136         (save-excursion (calendar-basic-setup arg))
 137         (setq calendar-frame (make-frame calendar-frame-parameters))
 138         (run-hooks 'calendar-after-frame-setup-hooks)
 139         (select-frame calendar-frame)
 140         (if (eq 'icon (cdr (assoc 'visibility
 141                                   (frame-parameters calendar-frame))))
 142             (iconify-or-deiconify-frame))
 143         (display-buffer calendar-buffer)
 144         (set-window-dedicated-p (selected-window) t)
 145         (setq diary-frame (make-frame diary-frame-parameters))
 146         (run-hooks 'calendar-after-frame-setup-hooks)
 147         (select-frame diary-frame)
 148         (if (eq 'icon (cdr (assoc 'visibility
 149                                   (frame-parameters diary-frame))))
 150             (iconify-or-deiconify-frame))
 151         (save-excursion (diary))
 152         (set-window-dedicated-p
 153          (display-buffer
 154           (if (not (memq 'fancy-diary-display diary-display-hook))
 155               (get-file-buffer diary-file)
 156             (if (not (bufferp (get-buffer fancy-diary-buffer)))
 157                 (make-fancy-diary-buffer))
 158             fancy-diary-buffer))
 159          t)))))
 160
 161 ;; Formerly (get-file-buffer diary-file) was added to the list here,
 162 ;; but that isn't clean, and the value could even be nil.
 163 (setq special-display-buffer-names
 164       (append special-display-buffer-names
 165               (list "*Yahrzeits*" lunar-phases-buffer holiday-buffer
 166                     fancy-diary-buffer
 167                     other-calendars-buffer calendar-buffer)))
 168
 169 (run-hooks 'cal-x-load-hook)
 170
 171 (provide 'cal-x)
 172
 173 ;;; arch-tag: c6dbddca-ae84-442d-87fc-244b76e38e17
 174 ;;; cal-x.el ends here