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, 2007, 2008
   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 3, 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 ;;; Code:
  35
  36 (require 'calendar)
  37
  38 (defvar calendar-frame nil "Frame in which to display the calendar.")
  39
  40 (defvar diary-frame nil "Frame in which to display the diary.")
  41
  42 ;; This should not specify the font.  That's up to the user.
  43 ;; Certainly it should not specify auto-lower and auto-raise
  44 ;; since most users won't like that.
  45 (defvar diary-frame-parameters
  46   '((name . "Diary") (title . "Diary") (height . 10) (width . 80)
  47     (unsplittable . t) (minibuffer . nil))
  48   "Parameters of the diary frame, if the diary is in its own frame.
  49 Location and color should be set in .Xdefaults.")
  50
  51 (defvar calendar-frame-parameters
  52   '((name . "Calendar") (title . "Calendar") (minibuffer . nil)
  53     (height . 10) (width . 80) (unsplittable . t) (vertical-scroll-bars . nil))
  54   "Parameters of the calendar frame, if the calendar is in a separate frame.
  55 Location and color should be set in .Xdefaults.")
  56
  57 (defvar calendar-and-diary-frame-parameters
  58   '((name . "Calendar") (title . "Calendar") (height . 28) (width . 80)
  59     (minibuffer . nil))
  60   "Parameters of the frame that displays both the calendar and the diary.
  61 Location and color should be set in .Xdefaults.")
  62
  63 (defvar calendar-after-frame-setup-hooks nil
  64   "Hooks to be run just after setting up a calendar frame.
  65 Can be used to change frame parameters, such as font, color, location, etc.")
  66
  67 (defun calendar-one-frame-setup (&optional arg)
  68   "Start calendar and display it in a dedicated frame together with the diary.
  69 This function requires a display capable of multiple frames, else
  70 `calendar-basic-setup' is used instead."
  71   (if (not (display-multi-frame-p))
  72       (calendar-basic-setup arg)
  73     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
  74     (if (frame-live-p diary-frame) (delete-frame diary-frame))
  75     (let ((special-display-buffer-names nil)
  76           (view-diary-entries-initially t))
  77       (save-window-excursion
  78         (save-excursion
  79           (setq calendar-frame
  80                 (make-frame calendar-and-diary-frame-parameters))
  81           (run-hooks 'calendar-after-frame-setup-hooks)
  82           (select-frame calendar-frame)
  83           (if (eq 'icon (cdr (assoc 'visibility
  84                                      (frame-parameters calendar-frame))))
  85               (iconify-or-deiconify-frame))
  86           (calendar-basic-setup arg)
  87           (set-window-dedicated-p (selected-window) t)
  88           (set-window-dedicated-p
  89            (display-buffer
  90             (if (not (memq 'fancy-diary-display diary-display-hook))
  91                 (get-file-buffer diary-file)
  92               (if (not (bufferp (get-buffer fancy-diary-buffer)))
  93                   (make-fancy-diary-buffer))
  94               fancy-diary-buffer))
  95            t))))))
  96
  97 (defun calendar-only-one-frame-setup (&optional arg)
  98   "Start calendar and display it in a dedicated frame.
  99 This function requires a display capable of multiple frames, else
 100 `calendar-basic-setup' is used instead."
 101   (if (not (display-multi-frame-p))
 102       (calendar-basic-setup arg)
 103     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
 104     (let ((special-display-buffer-names nil)
 105           (view-diary-entries-initially nil))
 106       (save-window-excursion
 107         (save-excursion
 108           (setq calendar-frame
 109                 (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           (calendar-basic-setup arg)
 116           (set-window-dedicated-p (selected-window) t))))))
 117
 118 (defun calendar-two-frame-setup (&optional arg)
 119   "Start calendar and diary in separate, dedicated frames.
 120 This function requires a display capable of multiple frames, else
 121 `calendar-basic-setup' is used instead."
 122   (if (not (display-multi-frame-p))
 123       (calendar-basic-setup arg)
 124     (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
 125     (if (frame-live-p diary-frame) (delete-frame diary-frame))
 126     (let ((pop-up-windows nil)
 127           (view-diary-entries-initially nil)
 128           (special-display-buffer-names nil))
 129       (save-window-excursion
 130         (save-excursion (calendar-basic-setup arg))
 131         (setq calendar-frame (make-frame calendar-frame-parameters))
 132         (run-hooks 'calendar-after-frame-setup-hooks)
 133         (select-frame calendar-frame)
 134         (if (eq 'icon (cdr (assoc 'visibility
 135                                   (frame-parameters calendar-frame))))
 136             (iconify-or-deiconify-frame))
 137         (display-buffer calendar-buffer)
 138         (set-window-dedicated-p (selected-window) t)
 139         (setq diary-frame (make-frame diary-frame-parameters))
 140         (run-hooks 'calendar-after-frame-setup-hooks)
 141         (select-frame diary-frame)
 142         (if (eq 'icon (cdr (assoc 'visibility
 143                                   (frame-parameters diary-frame))))
 144             (iconify-or-deiconify-frame))
 145         (save-excursion (diary))
 146         (set-window-dedicated-p
 147          (display-buffer
 148           (if (not (memq 'fancy-diary-display diary-display-hook))
 149               (get-file-buffer diary-file)
 150             (if (not (bufferp (get-buffer fancy-diary-buffer)))
 151                 (make-fancy-diary-buffer))
 152             fancy-diary-buffer))
 153          t)))))
 154
 155 ;; Formerly (get-file-buffer diary-file) was added to the list here,
 156 ;; but that isn't clean, and the value could even be nil.
 157 (setq special-display-buffer-names
 158       (append special-display-buffer-names
 159               (list "*Yahrzeits*" lunar-phases-buffer holiday-buffer
 160                     fancy-diary-buffer
 161                     other-calendars-buffer calendar-buffer)))
 162
 163 (run-hooks 'cal-x-load-hook)
 164
 165 (provide 'cal-x)
 166
 167 ;;; arch-tag: c6dbddca-ae84-442d-87fc-244b76e38e17
 168 ;;; cal-x.el ends here