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annotate shared/alarm.el @ 33:ce71d12b00ad

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author Henry S Thompson <ht@inf.ed.ac.uk>
date Sun, 08 Oct 2023 17:42:52 +0100
parents 107d592c5f4a
children
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0
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
1 ;;; Last edited: Thu Jun 11 10:49:18 1992
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
2 ;;; alarm facility for emacs
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
3
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
4 (provide 'alarm)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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5
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
6 (defvar alarm-process nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
7
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
8 (defvar alarm-callback nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
9
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
10 (defun alarm (seconds function)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
11 "After SECONDS, funcall FUNCTION"
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
12 (if (and alarm-process
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
13 (not (eq (process-status alarm-process) 'exit)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
14 (error "already waiting")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
15 (setq alarm-callback function)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
16 (setq alarm-process
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
17 (start-process "alarm-clock" nil
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
18 "/bin/sleep" (format "%d" seconds)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
19 (set-process-sentinel alarm-process (function alarm-sentinel)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
20 )
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
21
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
22 (defun alarm-sentinel (process reason)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
23 (setq asm reason)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
24 (if (equal reason "finished\n")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
25 (funcall alarm-callback)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
26 (error "Bogus alarm message: %s" reason)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
27
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
28 (defun alarm-stop () "turn off alarm"
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
29 (interactive)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
30 (set-process-sentinel alarm-process nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
31 (kill-process alarm-process)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
32 (setq alarm-process nil))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
33
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
34 (defvar idle-last-command nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
35 (defvar idle-last-input-char nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
36 (defvar idle-time nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
37 (defvar idle-interval nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
38 (defvar idle-function nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
39 (defvar idle-count nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
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diff changeset
40
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
41 (defun idle-timeout (seconds function &optional check-interval)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
42 "If idle for SECONDS, call FUNCTION. Check every CHECK-INTERVAL, or 60 secs"
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
43 (setq idle-last-command last-command)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
44 (setq idle-last-input-char last-input-char)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
45 (setq idle-time seconds)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
46 (setq idle-start-time (current-msec-time))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
47 (setq idle-interval (or check-interval 60))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
48 (setq idle-count (/ (+ seconds (1- idle-interval)) idle-interval))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
49 (setq idle-function function)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
50 (alarm idle-interval (function idle-check)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
51
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
52 (defun idle-check ()
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
53 (setq idle-count (max (1- idle-count) 0))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
54 ; (message "trying")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
55 (if (and
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
56 (eq idle-last-command last-command)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
57 ; (message "tic")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
58 (= idle-last-input-char last-input-char)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
59 ; (message "toc")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
60 )
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
61 (if (and (= idle-count 0)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
62 ; (message "torum")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
63 (or
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
64 (let ((last-field-3 (last-event-time)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
65 ;; allow for wrap
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
66 (or (not last-field-3)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
67 ; (progn (message "tarum") nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
68 (let ((last (logand 8388607
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
69 last-field-3))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
70 (time (current-msec-time)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
71 ; (message "%d %d %d" last time idle-time)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
72 (> (/ (if (< time last)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
73 (+ (- time last) 8388607)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
74 (- time last))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
75 1000)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
76 idle-time))))))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
77 (save-excursion
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
78 (set-buffer (get-buffer-create "*Idle*"))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
79 (insert-string "Idle at " (current-time-string)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
80 (format " :\n %s -> "
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
81 idle-function))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
82 (insert-string (format "%s\n"
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
83 (save-excursion (funcall idle-function)))))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
84 (alarm idle-interval (function idle-check)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
85 (setq idle-last-command last-command)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
86 (setq idle-last-input-char last-input-char)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
87 (setq idle-count (/ (+ idle-time (1- idle-interval)) idle-interval))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
88 (alarm idle-interval (function idle-check))))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
89
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
90 (defvar idle-save-timeout nil)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
91
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
92 (defun idle-save (&optional minutes)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
93 "If idle for more MINUTES (defaults to 5), save all changed buffers"
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
94 (interactive "nIdle after minutes: ")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
95 (idle-timeout (setq idle-save-timeout (* 60 (or minutes 5)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
96 (quote idle-save-doit)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
97
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
98 (defun idle-save-doit ()
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
99 (let ((bufs (buffer-list))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
100 result)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
101 (while bufs
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
102 (let ((buf (car bufs)) file-name)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
103 (if (and (buffer-modified-p buf)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
104 (setq file-name (buffer-file-name buf))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
105 (string-match "\\.babyl$" file-name))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
106 (progn (set-buffer buf)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
107 (let ((require-final-newline nil))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
108 (save-buffer)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
109 (setq result (cons file-name result))))))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
110 (setq bufs (cdr bufs)))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
111 (idle-timeout idle-save-timeout (quote idle-save-doit))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
112 (if result
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
113 (mapconcat (function identity)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
114 result
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
115 " ")
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
116 "nil")))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
117
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
118 ;; defaults
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
119 (defun current-msec-time () (the-time))
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
120 (defun last-event-time ()
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
121 (and (boundp '*last-event*)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
122 (> (length *last-event*) 3)
107d592c5f4a DICE versions, used by pers/common, recursive, I think/hope
Henry S. Thompson <ht@inf.ed.ac.uk>
parents:
diff changeset
123 (elt *last-event* 3)))