问在状态栏中显示十六进制值的二进制版本

EN

(defvar my-hex-idle-timer nil)

(defun my-hex-idle-status-on ()
  (interactive)
  (when (timerp my-hex-idle-timer)
    (cancel-timer my-hex-idle-timer))
  (setq my-hex-idle-timer (run-with-idle-timer 1 t 'my-hex-idle-status)))

(defun my-hex-idle-status-off ()
  (interactive)
  (when (timerp my-hex-idle-timer)
    (cancel-timer my-hex-idle-timer)
    (setq my-hex-idle-timer nil)))

(defun int-to-binary-string (i)
  "convert an integer into it's binary representation in string format
By Trey Jackson, from https://stackoverflow.com/a/20577329/."
  (let ((res ""))
    (while (not (= i 0))
      (setq res (concat (if (= 1 (logand i 1)) "1" "0") res))
      (setq i (lsh i -1)))
    (if (string= res "")
        (setq res "0"))
    res))

(defun my-hex-idle-status ()
  (let ((word (thing-at-point 'word)))
    (when (string-prefix-p "0x" word)
      (let ((num (ignore-errors (string-to-number (substring word 2) 16))))
    (message "In binary: %s" (int-to-binary-string num))))))