I setup org-timer indicator in mode-line with this.
(setq-default
mode-line-format
(quote
(
;; org-timer
(:eval
(unless (not org-timer-countdown-timer)
(propertize (let* ((rtime (decode-time
(time-subtract
(timer--time org-timer-countdown-timer)
(current-time))))
(rmins (nth 1 rtime))
(rsecs (nth 0 rtime)))
(format "🕔 %d:%d" rmins rsecs))
'face '(:foreground "cyan" :weight bold)
'help-echo "org-timer")))
)))
I hope this org-time indicator only show in active mode-line instead of all
mode-lines.
I hope to find a general way which can add any extra indicator not just
org-timer. I can just put my upper code without too much modification into
that general way.
I also posted a post on Emacs.SE
https://emacs.stackexchange.com/questions/26222/how-to-only-show-thing-in-active-mode-line-instead-of-all-mode-lines
How to do it?
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