diff options
Diffstat (limited to 'lisp/mpc.el')
| -rw-r--r-- | lisp/mpc.el | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/lisp/mpc.el b/lisp/mpc.el index 3941492fa28..81bb5ac35a8 100644 --- a/lisp/mpc.el +++ b/lisp/mpc.el @@ -2403,10 +2403,38 @@ This is used so that they can be compared with `eq', which is needed for (interactive) (mpc-cmd-pause "0")) +(defun mpc-read-seek (prompt) + "Read a seek time. +Returns a string suitable for MPD \"seekcur\" protocol command." + (let* ((str (read-from-minibuffer prompt nil nil nil nil nil t)) + (seconds "\\(?1:[[:digit:]]+\\(?:\\.[[:digit:]]*\\)?\\)") + (minsec (concat "\\(?2:[[:digit:]]+\\):" seconds "?")) + (hrminsec (concat "\\(?3:[[:digit:]]+\\):\\(?:" minsec "?\\|:\\)")) + time sign) + (setq str (string-trim str)) + (when (memq (string-to-char str) '(?+ ?-)) + (setq sign (string (string-to-char str))) + (setq str (substring str 1))) + (setq time + ;; `string-to-number' returns 0 on failure + (cond + ((string-match (concat "^" hrminsec "$") str) + (+ (* 3600 (string-to-number (match-string 3 str))) + (* 60 (string-to-number (or (match-string 2 str) ""))) + (string-to-number (or (match-string 1 str) "")))) + ((string-match (concat "^" minsec "$") str) + (+ (* 60 (string-to-number (match-string 2 str))) + (string-to-number (match-string 1 str)))) + ((string-match (concat "^" seconds "$") str) + (string-to-number (match-string 1 str))) + (t (user-error "Invalid time")))) + (setq time (number-to-string time)) + (if (null sign) time (concat sign time)))) + (defun mpc-seek-current (pos) "Seek within current track." (interactive - (list (read-string "Position to go ([+-]seconds): "))) + (list (mpc-read-seek "Position to go ([+-][[H:]M:]seconds): "))) (mpc-cmd-seekcur pos)) (defun mpc-toggle-play () |