lisp/calendar/cal-x.el

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