world time setup

2 files changed, 111 insertions, 0 deletions

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 230d4b5b..128c3d67 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -1072,6 +1072,22 @@
   :init (dolist (hook '(emacs-lisp-mode-hook ielm-mode-hook))
           (add-hook hook 'elisp-slime-nav-mode)))
 
+(use-package world-time-mode)
+
+;; and set up time zones I'm interested in
+
+(if (eq system-type 'windows-nt)
+
+    (setq display-time-world-list '(("MST7" "Phoenix")
+                                    ("GMT0BST" "London")
+                                    ("CET-1CDT" "Paris")
+                                    ("KST-9" "Seoul")))
+
+  (setq display-time-world-list '(("America/Phoenix" "Phoenix")
+                                  ("Europe/London" "London")
+                                  ("Europe/Paris" "Paris")
+                                  ("Asia/Seoul" "Seoul"))))
+
 
 
 ;;;; ---- functions ----
@@ -1754,6 +1770,10 @@ BINDEE may be a command or another keymap, but whatever it is, it should not be
                    (find-file "~/src/dotfiles/.emacs.d/init.el")
                    (eval-buffer)))
 
+        ("g t l" . world-time-list)
+        ("g t h" . helm-world-time)
+        ("g t t" . display-time-world)
+
         ;; Sariul launcher map
         ("S l" . spw/tblesson)
         ("S S" . spw/auto-textbook)
diff --git a/.emacs.d/site-lisp/world-time-mode.el b/.emacs.d/site-lisp/world-time-mode.el
new file mode 100644
index 00000000..891b80cf
--- /dev/null
+++ b/.emacs.d/site-lisp/world-time-mode.el
@@ -0,0 +1,91 @@
+;;; world-time-mode.el --- show whole days of world-time diffs
+
+;; Copyright (C) 2013  Nic Ferrier
+
+;; Author: Nic Ferrier <nferrier@ferrier.me.uk>
+;; Keywords: tools, calendar
+;; Version: 0.0.6
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Very useful productivity tool if you work in different time zones.
+
+;;; Code:
+
+(require 'cl)
+(require 'time)
+
+(defun world-time/zone-list (this-time)
+  "Return the vector of zoned times for TIME."
+  (apply 'vector
+         (mapcar
+          (lambda (zone)
+            (let ((original (getenv "TZ")))
+              (unwind-protect
+                   (progn
+                     (setenv "TZ" (car zone))
+                     (list (format-time-string "%R %Z" this-time)))
+                (setenv "TZ" original))))
+          display-time-world-list)))
+
+
+(defun world-time/table-entrys ()
+  "Make the entry table for the list.
+
+Based on the next hour after the current time."
+  (let* ((currently (current-time))
+         (time-now (time-to-seconds currently))
+         (hours-since-epoch (/ time-now 3600))
+         (last-hour (* 3600.00 (floor hours-since-epoch)))
+         (next-hour (+ 3600.00 last-hour))
+         (ref-time (seconds-to-time next-hour))
+         (ref-list
+          (mapcar
+           (lambda (i)
+             (list nil
+                   (world-time/zone-list 
+                    (time-add ref-time (seconds-to-time (* 3600.00 i))))))
+           (number-sequence 0 23))))
+    (append (list (list nil (world-time/zone-list currently))) ref-list)))
+
+(define-derived-mode
+    world-time-table-mode tabulated-list-mode "World Time"
+    "Major mode for seeing your world time list as a day."
+    (setq tabulated-list-entries 'world-time/table-entrys)
+    ;; This is wrong! it needs to be derived from display-time-world-list
+    (setq tabulated-list-format
+          (loop for time in display-time-world-list
+             vconcat (list (list (car time) 20 nil))))
+    (tabulated-list-init-header))
+
+;;;###autoload
+(defun world-time-list ()
+  "Show `display-time-world-list' full day comparison."
+  (interactive)
+  (with-current-buffer (get-buffer-create "*world-time*")
+    (world-time-table-mode)
+    (tabulated-list-print)
+    (switch-to-buffer (current-buffer))))
+
+;;;###autoload
+(defun list-world-time ()
+  "Show `display-time-world-list' full day comparison."
+  (interactive)
+  (call-interactively 'world-time-list))
+
+(provide 'world-time-mode)
+
+;;; world-time-mode.el ends here