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1 ;;; time.el --- display time and load in mode line of Emacs.
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2
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2
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3 ;; Copyright (C) 1985, 86, 87, 93, 94, 1996 Free Software Foundation, Inc.
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4
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108
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5 ;; Maintainer: FSF, XEmacs add-ons (C) by Jens T. Lautenbacher
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6 ;; mail <jens@lemming0.lem.uni-karlsruhe.de>
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7 ;; for comments/fixes about the enhancements.
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0
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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23 ;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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24 ;; 02111-1307, USA.
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25
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26 ;;; Synched up with: Not synched with FSF.
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27
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28 ;;; Commentary:
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29
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2
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30 ;; Facilities to display current time/date and a new-mail indicator
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31 ;; in the Emacs mode line. The single entry point is `display-time'.
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32
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33 ;; See also reportmail.el.
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34 ;; This uses the XEmacs timeout-event mechanism, via a version
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35 ;; of Kyle Jones' itimer package.
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36
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37 ;;; JTL: This is in a wide part reworked for XEmacs so it won't use
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38 ;;; the old mechanism for specifying what is to be displayed.
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39 ;;; The starting variable to look at is `display-time-form-list'
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40
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41 ;;; Code:
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42
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43 (require 'itimer)
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44
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110
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45 (defgroup display-time nil
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46 "Facilities to display the current time/date/load and a new-mail indicator
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47 in the XEmacs mode line or echo area."
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48 :group 'applications)
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108
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49
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110
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50 (defcustom display-time-compatible nil
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51 "*This variable may be set to t to get the old behaviour of display-time.
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52 This means no display of a spiffy mail icon or use of the
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53 display-time-form-list instead of the old display-time-string-form."
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54 :group 'display-time
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55 :type 'boolean)
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56
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57 (defcustom display-time-mail-file nil
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58 "*File name of mail inbox file, for indicating existence of new mail.
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59 Non-nil and not a string means don't check for mail. nil means use
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110
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60 default, which is system-dependent, and is the same as used by Rmail."
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61 :group 'display-time)
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62
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63 ;;;###autoload
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110
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64 (defcustom display-time-day-and-date nil
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65 "*Non-nil means \\[display-time] should display day,date and time.
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66 This affects the spec 'date in the variable display-time-form-list."
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67 :group 'display-time
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68 :type 'boolean)
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69
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70 (defcustom display-time-interval 20
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71 "*Seconds between updates of time in the mode line."
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72 :group 'display-time
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73 :type 'integer)
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74
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75 (defcustom display-time-24hr-format nil
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76 "*Non-nil indicates time should be displayed as hh:mm, 0 <= hh <= 23.
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77 Nil means 1 <= hh <= 12, and an AM/PM suffix is used.
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78 This affects the spec 'time in the variable display-time-form-list."
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79 :group 'display-time
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80 :type 'boolean)
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81
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82 (defcustom display-time-echo-area nil
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83 "*If non-nil, display-time will use the echo area instead of the mode line."
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84 :group 'display-time
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85 :type 'boolean)
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86
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87 (defvar display-time-string nil)
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88
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89 (defcustom display-time-hook nil
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90 "*List of functions to be called when the time is updated on the mode line."
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91 :group 'display-time
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92 :type 'hook)
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93
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94 (defvar display-time-server-down-time nil
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95 "Time when mail file's file system was recorded to be down.
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96 If that file system seems to be up, the value is nil.")
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97
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98 (defcustom display-time-ignore-read-mail nil
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99 "*Non-nil means displays the mail icon on any non-empty mailbox."
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100 :group 'display-time
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101 :type 'boolean)
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102
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103 ;;;###autoload
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104 (defun display-time ()
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105 "Display current time, load level, and mail flag in mode line of each buffer.
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106 Updates automatically every minute.
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107 If `display-time-day-and-date' is non-nil, the current day and date
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108 are displayed as well.
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109 After each update, `display-time-hook' is run with `run-hooks'.
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110 If `display-time-echo-area' is non-nil, the time is displayed in the
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111 echo area instead of in the mode-line."
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112 (interactive)
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113 ;; if the "display-time" itimer already exists, nuke it first.
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114 (let ((old (get-itimer "display-time")))
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115 (if old (delete-itimer old)))
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108
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116
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117 (if (memq 'display-time-string global-mode-string)
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118 (setq global-mode-string
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119 (remove 'display-time-string global-mode-string)))
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120 ;; If we're not displaying the time in the echo area
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121 ;; and the global mode string does not have a non-nil value
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122 ;; then initialize the global mode string's value.
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123 (or display-time-echo-area
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124 global-mode-string
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125 (setq global-mode-string '("")))
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126 ;; If we're not displaying the time in the echo area
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108
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127 ;; then we add our variable to the list. This will make the time
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128 ;; appear on the modeline.
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129 (or display-time-echo-area
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130 (setq global-mode-string
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131 (append global-mode-string '(display-time-string))))
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132 ;; Display the time initially...
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133 (display-time-function)
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134 ;; ... and start an itimer to do it automatically thereafter.
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135 ;;
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136 ;; If we wanted to be really clever about this, we could have the itimer
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137 ;; not be automatically restarted, but have it re-add itself each time.
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138 ;; Then we could look at (current-time) and arrange for the itimer to
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139 ;; wake up exactly at the minute boundary. But that's just a little
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140 ;; more work than it's worth...
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141 (start-itimer "display-time" 'display-time-function
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142 display-time-interval display-time-interval))
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143
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110
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144 (defcustom display-time-show-icons-maybe t
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145 "Use icons for time, load and mail status if possible
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146 and not specified different explicitely"
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147 :group 'display-time
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148 :type 'boolean)
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104
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149
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110
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150 (defvar display-time-icons-dir (concat data-directory "time/"))
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104
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151
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110
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152 (defcustom display-time-mail-sign-string " Mail"
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153 "The string used as mail indicator in the echo area
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108
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154 (and in the modeline if display-time-show-icons-maybe is nil)
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155 if display-time-echo-area is t"
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156 :group 'display-time
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157 :type 'string)
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104
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158
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159 (defcustom display-time-no-mail-sign-string ""
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160 "The string used as no-mail indicator in the echo area
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161 (and in the modeline if display-time-show-icons-maybe is nil)
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162 if display-time-echo-area is t"
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163 :group 'display-time
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164 :type 'string)
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165
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166 (defcustom display-time-display-pad t
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167 "Wether the load indicator is displayed with a trapezoidal \"pad\"
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168 in the background"
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169 :group 'display-time
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170 :type 'boolean)
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104
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171
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172 (defcustom display-time-load-list
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173 (list 0.2 0.5 0.8 1.1 1.8 2.6)
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174 "*A list giving six thresholds for the load
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175 which correspond to the six different icons to be displayed
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176 as a load indicator"
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177 :group 'display-time
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178 :type '(list (number :tag "Threshold 1 load")
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179 (number :tag "Threshold 2 load")
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180 (number :tag "Threshold 3 load")
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181 (number :tag "Threshold 4 load")
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182 (number :tag "Threshold 5 load")
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183 (number :tag "Threshold 6 load")))
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108
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184
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185 (defun display-time-string-to-char-list (str)
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186 (mapcar (function identity) str))
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187
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188 (if (featurep 'xpm)
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189 (progn
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110
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190 (defvar display-time-mail-sign
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191 (cons (make-extent nil nil)
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192 (make-glyph (concat display-time-icons-dir "letter.xpm"))))
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193 (defvar display-time-no-mail-sign
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194 (cons (make-extent nil nil)
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195 (make-glyph (concat display-time-icons-dir "no-letter.xpm"))))
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196 (defvar display-time-1-glyph
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197 (cons (make-extent nil nil)
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198 (make-glyph (concat display-time-icons-dir "1.xpm"))))
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199 (defvar display-time-2-glyph
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200 (cons (make-extent nil nil)
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201 (make-glyph (concat display-time-icons-dir "2.xpm"))))
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202 (defvar display-time-3-glyph
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203 (cons (make-extent nil nil)
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204 (make-glyph (concat display-time-icons-dir "3.xpm"))))
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205 (defvar display-time-4-glyph
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206 (cons (make-extent nil nil)
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207 (make-glyph (concat display-time-icons-dir "4.xpm"))))
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208 (defvar display-time-5-glyph
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209 (cons (make-extent nil nil)
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210 (make-glyph (concat display-time-icons-dir "5.xpm"))))
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211 (defvar display-time-6-glyph
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212 (cons (make-extent nil nil)
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213 (make-glyph (concat display-time-icons-dir "6.xpm"))))
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214 (defvar display-time-7-glyph
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215 (cons (make-extent nil nil)
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216 (make-glyph (concat display-time-icons-dir "7.xpm"))))
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217 (defvar display-time-8-glyph
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218 (cons (make-extent nil nil)
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219 (make-glyph (concat display-time-icons-dir "8.xpm"))))
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220 (defvar display-time-9-glyph
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221 (cons (make-extent nil nil)
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222 (make-glyph (concat display-time-icons-dir "9.xpm"))))
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223 (defvar display-time-0-glyph
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224 (cons (make-extent nil nil)
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225 (make-glyph (concat display-time-icons-dir "0.xpm"))))
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226 (defvar display-time-:-glyph
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227 (cons (make-extent nil nil)
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228 (make-glyph (concat display-time-icons-dir "dp.xpm"))))
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229 (defvar display-time-load-0.0-glyph
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230 (cons (make-extent nil nil)
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231 (make-glyph (concat display-time-icons-dir "l-0.0.xpm"))))
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232 (defvar display-time-load-0.5-glyph
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233 (cons (make-extent nil nil)
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234 (make-glyph (concat display-time-icons-dir "l-0.5.xpm"))))
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235 (defvar display-time-load-1.0-glyph
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236 (cons (make-extent nil nil)
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237 (make-glyph (concat display-time-icons-dir "l-1.0.xpm"))))
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238 (defvar display-time-load-1.5-glyph
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239 (cons (make-extent nil nil)
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240 (make-glyph (concat display-time-icons-dir "l-1.5.xpm"))))
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241 (defvar display-time-load-2.0-glyph
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242 (cons (make-extent nil nil)
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243 (make-glyph (concat display-time-icons-dir "l-2.0.xpm"))))
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244 (defvar display-time-load-2.5-glyph
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245 (cons (make-extent nil nil)
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246 (make-glyph (concat display-time-icons-dir "l-2.5.xpm"))))
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247 (defvar display-time-load-3.0-glyph
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248 (cons (make-extent nil nil)
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249 (make-glyph (concat display-time-icons-dir "l-3.0.xpm"))))
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250 (defvar display-time-load-0.0-jtl-glyph
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251 (cons (make-extent nil nil)
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252 (make-glyph (concat display-time-icons-dir "l-jtl-0.0.xpm"))))
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253 (defvar display-time-load-0.5-jtl-glyph
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254 (cons (make-extent nil nil)
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255 (make-glyph (concat display-time-icons-dir "l-jtl-0.5.xpm"))))
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256 (defvar display-time-load-1.0-jtl-glyph
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257 (cons (make-extent nil nil)
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258 (make-glyph (concat display-time-icons-dir "l-jtl-1.0.xpm"))))
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259 (defvar display-time-load-1.5-jtl-glyph
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260 (cons (make-extent nil nil)
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261 (make-glyph (concat display-time-icons-dir "l-jtl-1.5.xpm"))))
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262 (defvar display-time-load-2.0-jtl-glyph
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263 (cons (make-extent nil nil)
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264 (make-glyph (concat display-time-icons-dir "l-jtl-2.0.xpm"))))
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265 (defvar display-time-load-2.5-jtl-glyph
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266 (cons (make-extent nil nil)
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267 (make-glyph (concat display-time-icons-dir "l-jtl-2.5.xpm"))))
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268 (defvar display-time-load-3.0-jtl-glyph
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269 (cons (make-extent nil nil)
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270 (make-glyph (concat display-time-icons-dir "l-jtl-3.0.xpm"))))
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271 (defvar display-time-am-glyph
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272 (cons (make-extent nil nil)
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273 (make-glyph (concat display-time-icons-dir "am.xpm"))))
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274 (defvar display-time-pm-glyph
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275 (cons (make-extent nil nil)
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276 (make-glyph (concat display-time-icons-dir "pm.xpm"))))
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277 ))
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104
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278
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279
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110
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280 (defun display-time-can-do-graphical-display (&optional textual)
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281 (and display-time-show-icons-maybe
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282 (not textual)
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283 (eq (console-type) 'x)
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284 (featurep 'xpm)
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285 (not display-time-echo-area)))
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286
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287
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288 (defun display-time-convert-num (time-string &optional textual)
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289 (let ((list (display-time-string-to-char-list time-string))
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290 elem tmp)
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291 (if (not (display-time-can-do-graphical-display textual)) time-string
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108
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292 (while (setq elem (pop list))
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293 (push (eval (intern-soft (concat "display-time-"
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294 (char-to-string elem)
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295 "-glyph"))) tmp))
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110
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296 (reverse tmp))))
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108
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297
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110
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298 (defun display-time-convert-load (load-string &optional textual)
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299 (let ((load-number (string-to-number load-string))
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108
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300 (alist (list (cons 0.0 0.0)
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301 (cons 0.5 (car display-time-load-list))
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302 (cons 1.0 (cadr display-time-load-list))
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303 (cons 1.5 (caddr display-time-load-list))
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304 (cons 2.0 (cadddr display-time-load-list))
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305 (cons 2.5 (cadr (cdddr display-time-load-list)))
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306 (cons 3.0 (caddr (cdddr display-time-load-list)))
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307 (cons 100000 100000)))
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308 result elem)
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110
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309 (if (not (display-time-can-do-graphical-display textual))
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310 load-string
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108
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311 (while (>= load-number (cdr (setq elem (pop alist))))
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312 (setq result (eval (intern-soft (concat
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313 "display-time-load-"
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314 (number-to-string (car elem))
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110
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315 (if display-time-display-pad "-jtl")
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108
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316 "-glyph")))))
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317 result)))
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318
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319 (defun display-time-convert-am-pm (ampm-string &optional textual)
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320 (if (not (display-time-can-do-graphical-display textual))
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321 ampm-string
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322 (cond ((equal ampm-string "am") display-time-am-glyph)
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323 ((equal ampm-string "pm") display-time-pm-glyph))))
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108
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324
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325
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326 (defun display-time-mail-sign (&optional textual)
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327 "*A function giving back the object indicating 'mail' which
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328 is the value of display-time-mail-sign when running under X,
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329 display-time-echo-area is nil and display-time-show-icons-maybe is t.
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330 It is the value of display-time-mail-sign-string otherwise."
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331 (if (not (display-time-can-do-graphical-display textual))
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332 display-time-mail-sign-string
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333 display-time-mail-sign))
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334
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110
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335 (defun display-time-no-mail-sign (&optional textual)
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108
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336 "*A function giving back the object indicating 'no mail' which
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337 is the value of display-time-no-mail-sign when running under X,
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338 display-time-echo-area is nil and display-time-show-icons-maybe is t.
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339 It is the value of display-time-no-mail-sign-string otherwise."
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340 (if (not (display-time-can-do-graphical-display textual))
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108
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341 display-time-no-mail-sign-string
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342 display-time-no-mail-sign))
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343
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110
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344 (defcustom display-time-form-list
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345 (list 'date 'time 'load 'mail)
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346 "*This list describes the format of the strings/glyphs
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347 which are to be displayed by display-time.
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348 The old variable display-time-string-forms is only used if
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349 display-time-compatible is non-nil. It is a list consisting of
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108
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350 strings or any of the following symbols:
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351
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352 There are three complex specs whose behaviour is changed via
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353 the setting of various variables
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354
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355 date: This prints out the date in a manner compatible to
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356 the default value of the obsolete variable
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357 display-time-string-forms. It respects the variable
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358 display-time-day-and-date. If this is t it will print
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359 out the current date in the form DAYNAME MONTH DAY
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360 otherwise it will print nothing.
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361
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362 time: This prints out the time in a manner compatible to
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363 the default value of the obsolete variable
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364 display-time-string-forms. It respects the variable
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365 display-time-24hr-format. If this is t it will print
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366 out the current hours in 24-hour format, if nil the
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367 hours will be printed in 12-hour format and the
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368 minutes will be followed by 'AM' or 'PM'.
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369
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370 time-text: The same as above, but will not use a glyph
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371
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372 The other specs are simpler, as their meaning is not changed via
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373 variables.
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374
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375 24-hours: This prints the hours in 24-hours format
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376
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377 24-hours-text: The same as above, but will not use a glyph
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378
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379 12-hours: This prints the hours in 12-hours format
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380
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381 12-hours-text: The same as above, but will not use a glyph
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382
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383 am-pm: This prints am or pm.
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384
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110
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385 Timezone: This prints out the local timezone
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386
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387 am-pm-text: The same as above, but will not use a glyph
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388
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389 minutes: This prints the minutes.
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390
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391 minutes-text: The same as above, but will not use a glyph
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392
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393 day: This prints out the current day as a number.
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394
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395 dayname: This prints out today's name.
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396
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397 month: This prints out the current month as a number
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398
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399 monthname: This prints out the current month's name
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400
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110
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401 year: This prints out the current year.
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402
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403 load: This prints out the system's load.
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404
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405 load-text: The same as above, but will not use a glyph
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406
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407 mail: This displays a mail indicator. Under X this will
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408 normally be a small icon which changes depending if
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409 there is new mail or not.
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410
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411 mail-text: The same as above, but will not use a glyph"
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412 :group 'display-time
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413 :type '(repeat (choice :tag "Toggle Symbol/String"
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414 (const :tag "Date" date)
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415 (const :tag "Time" time)
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416 (const :tag "Time (text)" time-text)
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417 (const :tag "24 hour format" 24-hours)
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418 (const :tag "24 hour format (text)" 24-hours-text)
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419 (const :tag "12 hour format" 12-hours)
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420 (const :tag "12 hour format (text)" 12-hours-text)
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421 (const :tag "AM/PM indicator" am-pm)
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422 (const :tag "AM/PM indicator (text)" am-pm-text)
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423 (const :tag "Timezone" timezone)
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424 (const :tag "Minutes" minutes)
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425 (const :tag "Minutes (text)" minutes-text)
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426 (const :tag "Day" day)
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427 (const :tag "Dayname" dayname)
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428 (const :tag "Month" month)
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429 (const :tag "Monthname" monthname)
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430 (const :tag "Year" year)
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431 (const :tag "Load" load)
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432 (const :tag "Load (text)" load-text)
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433 (const :tag "Mail sign" mail)
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434 (const :tag "Mail sign (text)" mail-text)
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435 (string :tag "String"))))
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108
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436
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437 (defun display-time-evaluate-list ()
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438 "Evalute the variable display-time-form-list"
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439 (let ((list display-time-form-list) elem tmp result)
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440 (while (setq elem (pop list))
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441 (cond ((stringp elem) (push elem tmp))
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110
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442 ((eq elem 'date)
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108
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443 (push (if display-time-day-and-date
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444 (format "%s %s %s " dayname monthname day) "") tmp))
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110
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445 ((eq elem 'time)
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108
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446 (progn
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110
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447 (push (display-time-convert-num
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108
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448 (format "%s:%s"
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449 (if display-time-24hr-format 24-hours 12-hours)
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110
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450 minutes)) tmp)
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108
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451 (if (not display-time-24hr-format)
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452 (push (display-time-convert-am-pm am-pm) tmp))))
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110
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453 ((eq elem 'time-text)
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454 (push (display-time-convert-num
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455 (format "%s:%s"
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456 (if display-time-24hr-format 24-hours 12-hours)
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457 minutes) t) tmp)
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458 (if (not display-time-24hr-format)
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459 (push (display-time-convert-am-pm am-pm t) tmp)))
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108
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460 ((eq elem 'day) (push day tmp))
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461 ((eq elem 'dayname) (push dayname tmp))
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462 ((eq elem 'month) (push month tmp))
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463 ((eq elem 'monthname) (push monthname tmp))
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110
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464 ((eq elem '24-hours)
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465 (push (display-time-convert-num 24-hours) tmp))
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466 ((eq elem 'year)
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467 (push year tmp))
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468 ((eq elem '24-hours-text)
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469 (push (display-time-convert-num 24-hours t) tmp))
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470 ((eq elem '12-hours)
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471 (push (display-time-convert-num 12-hours) tmp))
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472 ((eq elem '12-hours-text)
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473 (push (display-time-convert-num 12-hours t) tmp))
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474 ((eq elem 'minutes)
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475 (push (display-time-convert-num minutes) tmp))
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476 ((eq elem 'minutes-text)
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477 (push (display-time-convert-num minutes t) tmp))
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478 ((eq elem 'am-pm)
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479 (push (display-time-convert-am-pm am-pm) tmp))
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480 ((eq elem 'am-pm-text)
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481 (push (display-time-convert-am-pm am-pm t) tmp))
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482 ((eq elem 'timezone)
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483 (push time-zone tmp))
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108
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484 ((eq elem 'load)
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110
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485 (push (display-time-convert-load load) tmp))
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486 ((eq elem 'load-text)
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487 (push (display-time-convert-load load t) tmp))
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488 ((eq elem 'mail)
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489 (push (if mail (display-time-mail-sign)
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490 (display-time-no-mail-sign)) tmp))
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491 ((eq elem 'mail-text)
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492 (push (if mail (display-time-mail-sign t)
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493 (display-time-no-mail-sign t)) tmp))
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494 ))
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108
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495 ;; We know that we have a list containing only of strings if
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496 ;; display-time-echo-area is t. So we construct this string from
|
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497 ;; the list. Else we just reverse the list and give it as result.
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498 (if (not display-time-echo-area) (setq result (reverse tmp))
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499 (while (setq elem (pop tmp))
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500 (setq result (concat elem result))))
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501 result))
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502
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503
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0
|
504 (defvar display-time-string-forms
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505 '((if display-time-day-and-date
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506 (format "%s %s %s " dayname monthname day)
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507 "")
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508 (format "%s:%s%s"
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509 (if display-time-24hr-format 24-hours 12-hours)
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510 minutes
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511 (if display-time-24hr-format "" am-pm))
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|
108
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512 load
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513 (if mail " Mail" ""))
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514 "*THIS IS OBSOLETE! It will only be used if display-time-compatible is t.
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|
515 A list of expressions governing display of the time in the mode line.
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|
0
|
516 This expression is a list of expressions that can involve the keywords
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517 `load', `day', `month', and `year', `12-hours', `24-hours', `minutes',
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518 `seconds', all numbers in string form, and `monthname', `dayname', `am-pm',
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|
104
|
519 and `time-zone' all alphabetic strings and `mail' a true/nil string value.
|
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0
|
520
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521 For example, the form
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522
|
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523 '((substring year -2) \"/\" month \"/\" day
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524 \" \" 24-hours \":\" minutes \":\" seconds
|
|
104
|
525 (if time-zone \" (\") time-zone (if time-zone \")\"))
|
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0
|
526
|
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527 would give mode line times like `94/12/30 21:07:48 (UTC)'.")
|
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528
|
|
|
529 (defun display-time-function ()
|
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|
530 (let* ((now (current-time))
|
|
|
531 (time (current-time-string now))
|
|
|
532 (load (condition-case ()
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|
533 (if (zerop (car (load-average))) ""
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|
534 (let ((str (format " %03d" (car (load-average)))))
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|
535 (concat (substring str 0 -2) "." (substring str -2))))
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|
536 (error "")))
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|
537 (mail-spool-file (or display-time-mail-file
|
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|
538 (getenv "MAIL")
|
|
|
539 (concat rmail-spool-directory
|
|
|
540 (user-login-name))))
|
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|
541 (mail (and (stringp mail-spool-file)
|
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|
542 (or (null display-time-server-down-time)
|
|
|
543 ;; If have been down for 20 min, try again.
|
|
|
544 (> (- (nth 1 (current-time))
|
|
|
545 display-time-server-down-time)
|
|
|
546 1200))
|
|
|
547 (let ((start-time (current-time)))
|
|
|
548 (prog1
|
|
|
549 (display-time-file-nonempty-p mail-spool-file)
|
|
|
550 (if (> (- (nth 1 (current-time)) (nth 1 start-time))
|
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|
551 20)
|
|
|
552 ;; Record that mail file is not accessible.
|
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|
553 (setq display-time-server-down-time
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|
|
554 (nth 1 (current-time)))
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|
|
555 ;; Record that mail file is accessible.
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|
556 (setq display-time-server-down-time nil))))))
|
|
|
557 (24-hours (substring time 11 13))
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|
|
558 (hour (string-to-int 24-hours))
|
|
|
559 (12-hours (int-to-string (1+ (% (+ hour 11) 12))))
|
|
|
560 (am-pm (if (>= hour 12) "pm" "am"))
|
|
|
561 (minutes (substring time 14 16))
|
|
|
562 (seconds (substring time 17 19))
|
|
|
563 (time-zone (car (cdr (current-time-zone now))))
|
|
|
564 (day (substring time 8 10))
|
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|
565 (year (substring time 20 24))
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|
566 (monthname (substring time 4 7))
|
|
|
567 (month
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|
568 (cdr
|
|
|
569 (assoc
|
|
|
570 monthname
|
|
|
571 '(("Jan" . "1") ("Feb" . "2") ("Mar" . "3") ("Apr" . "4")
|
|
|
572 ("May" . "5") ("Jun" . "6") ("Jul" . "7") ("Aug" . "8")
|
|
|
573 ("Sep" . "9") ("Oct" . "10") ("Nov" . "11") ("Dec" . "12")))))
|
|
|
574 (dayname (substring time 0 3)))
|
|
|
575 (setq display-time-string
|
|
108
|
576 (if display-time-compatible
|
|
|
577 (mapconcat 'eval display-time-string-forms "")
|
|
|
578 (display-time-evaluate-list)))
|
|
0
|
579 ;; This is inside the let binding, but we are not going to document
|
|
|
580 ;; what variables are available.
|
|
|
581 (run-hooks 'display-time-hook))
|
|
|
582 (if display-time-echo-area
|
|
|
583 (or (> (minibuffer-depth) 0)
|
|
|
584 ;; don't stomp echo-area-buffer if reading from minibuffer now.
|
|
|
585 (save-excursion
|
|
|
586 (save-window-excursion
|
|
|
587 (select-window (minibuffer-window))
|
|
|
588 (erase-buffer)
|
|
110
|
589 (indent-to (- (frame-width) (length display-time-string) 1))
|
|
0
|
590 (insert display-time-string)
|
|
|
591 (message (buffer-string)))))
|
|
|
592 (force-mode-line-update)
|
|
|
593 ;; Do redisplay right now, if no input pending.
|
|
|
594 (sit-for 0)))
|
|
|
595
|
|
|
596 (defun display-time-file-nonempty-p (file)
|
|
110
|
597 (let ((attributes (file-attributes (file-chase-links file))))
|
|
|
598 (and attributes
|
|
|
599 (< 0 (nth 7 attributes))
|
|
|
600 (or display-time-ignore-read-mail
|
|
|
601 (> (car (nth 5 attributes)) (car (nth 4 attributes)))
|
|
|
602 (and (= (car (nth 5 attributes)) (car (nth 4 attributes)))
|
|
|
603 (> (cadr (nth 5 attributes)) (cadr (nth 4 attributes))))))))
|
|
0
|
604
|
|
|
605 (provide 'time)
|
|
|
606
|
|
|
607 ;;; time.el ends here
|
