{{{

(setq work-time-start 8)
(setq work-time-end 16)

;(setq work-day-dow-table nil (9 . (17 30)) (9 . (17 30)) (9 . (17 30)) (9 . (17 30)) (9 . (14 30)) nil)

(defun wt-dow-update-start-end nil
  (let ((beg-end (aref work-day-dow-table (nth 6 (decode-time (current-time))))))
    (if beg-end (setq work-time-start (car beg-end) work-time-end (cdr beg-end))
      (setq work-time-start 0 work-time-end 0))))

(setq work-time-statuslen 16)

(defmacro def-extract-if-list (name fun &optional ret)
  `(defun ,name (val)
     (if (listp val) (,fun val)
       ,(if ret ret 'val))))

(def-extract-if-list wt-hour first)
(def-extract-if-list wt-minutes second 0)

(defun work-time-update nil
  (when work-day-dow-table (wt-dow-update-start-end))
  (let* ((now (current-time))
(today (let ((dcd-now (decode-time now)))
`(,(nth 3 dcd-now) ,(nth 4 dcd-now) ,(nth 5 dcd-now))))
(start-time (apply #'encode-time (append (list 0 (wt-minutes work-time-start) (wt-hour work-time-start)) today)))
(end-time (apply #'encode-time (append (list 0 (wt-minutes work-time-end) (wt-hour work-time-end)) today))))
    (labels ((status-string-format (perc)
(cond ((< perc 0) ":(")
((> perc 1) ":)))
(t (let* ((filled (round (* perc *work-time-statuslen*)))
(empty (- *work-time-statuslen* filled)))
(concat ")))))
(elapsed-percentage (from to now) (/ (float (- now from))(- to from)))
(total-sec (time) (+ (* 65536 (car time)) (cadr time))))
      (setq wt-status-string
(status-string-format
(elapsed-percentage (total-sec start-time) (total-sec end-time) (total-sec now)))))))

(push #'work-time-update display-time-hook)

;

(defun wt-status-displayed nil
  (member 'wt-status-string global-mode-string))

(defun wt-add-status nil
  (setq global-mode-string (append global-mode-string '(wt-status-string))))

(defun wt-remove-status nil
  (setq global-mode-string (remove 'wt-status-string global-mode-string)))

(defun work-time-status-toggle nil
  (interactive)
  (funcall (if (wt-status-displayed) #'wt-remove-status #'wt-add-status)))

;

(setq wt-status-string (work-time-update))

}}}