9879703155
This advice is potentially defined before the autoloads for telega have run, which means that the macro-expansion fails and `telega-ins-fmt` is looked up as a function. With this setup the initialisation works as expected.
81 lines
2.8 KiB
EmacsLisp
81 lines
2.8 KiB
EmacsLisp
;;; dottime.el --- use dottime in the modeline
|
|
;;
|
|
;; Copyright (C) 2019 Google Inc.
|
|
;;
|
|
;; Author: Vincent Ambo <tazjin@google.com>
|
|
;; Version: 1.0
|
|
;; Package-Requires: (cl-lib)
|
|
;;
|
|
;;; Commentary:
|
|
;;
|
|
;; This package changes the display of time in the modeline to use
|
|
;; dottime (see https://dotti.me/) instead of the standard time
|
|
;; display.
|
|
;;
|
|
;; Modeline dottime display is enabled by calling
|
|
;; `dottime-display-mode' and dottime can be used in Lisp code via
|
|
;; `dottime-format'.
|
|
|
|
(require 'cl-lib)
|
|
(require 'time)
|
|
|
|
(defun dottime--format-string (&optional offset prefix)
|
|
"Creates the dottime format string for `format-time-string'
|
|
based on the local timezone."
|
|
|
|
(let* ((offset-sec (or offset (car (current-time-zone))))
|
|
(offset-hours (/ offset-sec 60 60))
|
|
(base (concat prefix "%m-%dT%H·%M")))
|
|
(if (/= offset-hours 0)
|
|
(concat base (format "%0+3d" offset-hours))
|
|
base)))
|
|
|
|
(defun dottime--display-time-update-advice (orig)
|
|
"Function used as advice to `display-time-update' with a
|
|
rebound definition of `format-time-string' that renders all
|
|
timestamps as dottime."
|
|
|
|
(cl-letf* ((format-orig (symbol-function 'format-time-string))
|
|
((symbol-function 'format-time-string)
|
|
(lambda (&rest _)
|
|
(funcall format-orig (dottime--format-string) nil t))))
|
|
(funcall orig)))
|
|
|
|
(defun dottime-format (&optional time offset prefix)
|
|
"Format the given TIME in dottime at OFFSET. If TIME is nil,
|
|
the current time will be used. PREFIX is prefixed to the format
|
|
string verbatim.
|
|
|
|
OFFSET can be an integer representing an offset in seconds, or
|
|
the argument can be elided in which case the system time zone
|
|
is used."
|
|
|
|
(format-time-string (dottime--format-string offset prefix) time t))
|
|
|
|
(defun dottime-display-mode (arg)
|
|
"Enable time display as dottime. Disables dottime if called
|
|
with prefix 0 or nil."
|
|
|
|
(interactive "p")
|
|
(if (or (eq arg 0) (eq arg nil))
|
|
(advice-remove 'display-time-update #'dottime--display-time-update-advice)
|
|
(advice-add 'display-time-update :around #'dottime--display-time-update-advice))
|
|
(display-time-update)
|
|
|
|
;; Amend the time display in telega.el to use dottime.
|
|
;;
|
|
;; This will never display offsets in the chat window, as those are
|
|
;; always visible in the modeline anyways.
|
|
(when (featurep 'telega)
|
|
(defun telega-ins--dottime-advice (orig timestamp)
|
|
(let* ((dtime (decode-time timestamp t))
|
|
(current-ts (time-to-seconds (current-time)))
|
|
(ctime (decode-time current-ts))
|
|
(today00 (telega--time-at00 current-ts ctime)))
|
|
(if (> timestamp today00)
|
|
(telega-ins (format "%02d·%02d" (nth 2 dtime) (nth 1 dtime)))
|
|
(funcall orig timestamp))))
|
|
|
|
(advice-add 'telega-ins--date :around #'telega-ins--dottime-advice)))
|
|
|
|
(provide 'dottime)
|