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[emacs.git] / lisp / calendar / cal-x.el
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1 ;;; cal-x.el --- calendar windows in dedicated frames in X
3 ;; Copyright (C) 1994, 1995 Free Software Foundation, Inc.
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
10 ;; This file is part of GNU Emacs.
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.
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.
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.
27 ;;; Commentary:
29 ;; This collection of functions implements dedicated frames in X for
30 ;; calendar.el.
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
38 ;;; Code:
40 (require 'calendar)
42 (defvar calendar-frame nil "Frame in which to display the calendar.")
44 (defvar diary-frame nil "Frame in which to display the diary.")
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") (title . "Diary") (height . 10) (width . 80)
51 (unsplittable . t) (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.")
55 (defvar calendar-frame-parameters
56 '((name . "Calendar") (title . "Calendar") (minibuffer . nil)
57 (height . 10) (width . 80) (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.")
61 (defvar calendar-and-diary-frame-parameters
62 '((name . "Calendar") (title . "Calendar") (height . 28) (width . 80)
63 (minibuffer . nil))
64 "Parameters of the frame that displays both the calendar and the diary.
65 Location and color should be set in .Xdefaults.")
67 (defvar calendar-after-frame-setup-hooks nil
68 "Hooks to be run just after setting up a calendar frame.
69 Can be used to change frame parameters, such as font, color, location, etc.")
71 (defun calendar-one-frame-setup (&optional arg)
72 "Start calendar and display it in a dedicated frame together with the diary.
73 This function requires a display capable of multiple frames, else
74 `calendar-basic-setup' is used instead."
75 (if (not (display-multi-frame-p))
76 (calendar-basic-setup arg)
77 (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
78 (if (frame-live-p diary-frame) (delete-frame diary-frame))
79 (let ((special-display-buffer-names nil)
80 (view-diary-entries-initially t))
81 (save-window-excursion
82 (save-excursion
83 (setq calendar-frame
84 (make-frame calendar-and-diary-frame-parameters))
85 (run-hooks 'calendar-after-frame-setup-hooks)
86 (select-frame calendar-frame)
87 (if (eq 'icon (cdr (assoc 'visibility
88 (frame-parameters calendar-frame))))
89 (iconify-or-deiconify-frame))
90 (calendar-basic-setup arg)
91 (set-window-dedicated-p (selected-window) 'calendar)
92 (set-window-dedicated-p
93 (display-buffer
94 (if (not (memq 'fancy-diary-display diary-display-hook))
95 (get-file-buffer diary-file)
96 (if (not (bufferp (get-buffer fancy-diary-buffer)))
97 (make-fancy-diary-buffer))
98 fancy-diary-buffer))
99 'diary))))))
101 (defun calendar-only-one-frame-setup (&optional arg)
102 "Start calendar and display it in a dedicated frame.
103 This function requires a display capable of multiple frames, else
104 `calendar-basic-setup' is used instead."
105 (if (not (display-multi-frame-p))
106 (calendar-basic-setup arg)
107 (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
108 (let ((special-display-buffer-names nil)
109 (view-diary-entries-initially nil))
110 (save-window-excursion
111 (save-excursion
112 (setq calendar-frame
113 (make-frame calendar-frame-parameters))
114 (run-hooks 'calendar-after-frame-setup-hooks)
115 (select-frame calendar-frame)
116 (if (eq 'icon (cdr (assoc 'visibility
117 (frame-parameters calendar-frame))))
118 (iconify-or-deiconify-frame))
119 (calendar-basic-setup arg)
120 (set-window-dedicated-p (selected-window) 'calendar))))))
122 (defun calendar-two-frame-setup (&optional arg)
123 "Start calendar and diary in separate, dedicated frames.
124 This function requires a display capable of multiple frames, else
125 `calendar-basic-setup' is used instead."
126 (if (not (display-multi-frame-p))
127 (calendar-basic-setup arg)
128 (if (frame-live-p calendar-frame) (delete-frame calendar-frame))
129 (if (frame-live-p diary-frame) (delete-frame diary-frame))
130 (let ((pop-up-windows nil)
131 (view-diary-entries-initially nil)
132 (special-display-buffer-names nil))
133 (save-window-excursion
134 (save-excursion (calendar-basic-setup arg))
135 (setq calendar-frame (make-frame calendar-frame-parameters))
136 (run-hooks 'calendar-after-frame-setup-hooks)
137 (select-frame calendar-frame)
138 (if (eq 'icon (cdr (assoc 'visibility
139 (frame-parameters calendar-frame))))
140 (iconify-or-deiconify-frame))
141 (display-buffer calendar-buffer)
142 (set-window-dedicated-p (selected-window) 'calendar)
143 (setq diary-frame (make-frame diary-frame-parameters))
144 (run-hooks 'calendar-after-frame-setup-hooks)
145 (select-frame diary-frame)
146 (if (eq 'icon (cdr (assoc 'visibility
147 (frame-parameters diary-frame))))
148 (iconify-or-deiconify-frame))
149 (save-excursion (diary))
150 (set-window-dedicated-p
151 (display-buffer
152 (if (not (memq 'fancy-diary-display diary-display-hook))
153 (get-file-buffer diary-file)
154 (if (not (bufferp (get-buffer fancy-diary-buffer)))
155 (make-fancy-diary-buffer))
156 fancy-diary-buffer))
157 'diary)))))
159 ;; Formerly (get-file-buffer diary-file) was added to the list here,
160 ;; but that isn't clean, and the value could even be nil.
161 (setq special-display-buffer-names
162 (append special-display-buffer-names
163 (list "*Yahrzeits*" lunar-phases-buffer holiday-buffer
164 fancy-diary-buffer
165 other-calendars-buffer calendar-buffer)))
167 (run-hooks 'cal-x-load-hook)
169 (provide 'cal-x)
171 ;;; arch-tag: c6dbddca-ae84-442d-87fc-244b76e38e17
172 ;;; cal-x.el ends here