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;;; notifications.lisp -- Poor man's systray for StumpWM
;; Copyright 2008 Tassilo Horn <tassilo@member.fsf.org>
;;
;; Maintainer:
;;
;; 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/>.
;;; Usage:
;; This StumpWM module acts as notification monitor for external applications.
;; They can send messages via `stumpish' which will be displayed in the
;; mode-line. (Thus `stumpish' has to be in your PATH.)
;;
;; To use it add this to your ~/.stumpwmrc.lisp:
;;
;; (load "/path/to/stumpwm/contrib/notifications.lisp")
;;
;; Then add the formatter %N to your mode-line spec, i.e. like this:
;;
;; (setf *screen-mode-line-format* "[%W] {%g} (%N)")
;;
;; You might want to bind *notifications-map* to a key:
;;
;; (define-key *root-map* (kbd "N") '*notifications-map*)
;;
;; With this map you can add notifications with a, reset them with r, delete
;; the first/last with d/D or show them in a popup with s.
;;
;; External applications can add notification messages using stumpish:
;;
;; $ stumpish notifications-add 'Foo Bar Baz'
;;
;; For example this is the elisp code that I use to let rcirc (an Emacs IRC
;; client) notify me when a message with my nickname or a IM message arrives:
;;
;; (defun th-rcirc-notification (process sender response target text)
;; (let ((my-nick (rcirc-nick process)))
;; (when (and (string= response "PRIVMSG")
;; (not (string= sender my-nick))
;; (or
;; ;; BitlBee IM messages
;; (string-match "localhost" (format "%s" process))
;; ;; Messages that mention my name
;; (string-match my-nick text)))
;; (th-notifications-add (concat "rcirc: " target)))))
;;
;; (add-hook 'rcirc-print-hooks 'th-rcirc-notification)
;;
;; (defun th-notifications-add (str)
;; (interactive "sNotification: ")
;; (start-process "notifications-add" nil
;; "stumpish" "notifications-add" str))
;;
;;; Code:
(in-package :stumpwm)
(pushnew '(#\N notifications-as-string) *screen-mode-line-formatters* :test 'equal)
(defparameter *notifications-delimiters* '("[" "]"))
(defvar notifications nil
"A list of notification strings.")
(defcommand notifications-add (str)
((:rest "Notification: "))
"Add a notification string.
If a notification is already included, it will be moved to the front instead of
added anew."
(when (not (string= (car notifications) str))
(when (member str notifications :test #'string=)
(setf notifications (delete str notifications :test #'string=)))
(push str notifications)))
(defcommand notifications-reset ()
()
"Clear all notifications."
(setf notifications nil))
(defcommand notifications-delete (str)
()
"Delete the specified notification."
(setf notifications (delete str notifications :test #'string=)))
(defcommand notifications-delete-first ()
()
"Delete the first notification."
(setf notifications (cdr notifications)))
(defcommand notifications-delete-last ()
()
"Delete the first notification."
(setf notifications (nreverse (cdr (nreverse notifications)))))
(defun notifications-as-string (&rest r)
(declare (ignore r))
(if notifications
(format nil "~a ~{ ~a ~#[~:;;~]~} ~a"
(first *notifications-delimiters*)
notifications
(second *notifications-delimiters*))
""))
(defcommand notifications-show ()
()
"Messages all notifications."
(message "Notifications: ~a" (notifications-as-string)))
(defvar *notifications-map*
(let ((m (make-sparse-keymap)))
(define-key m (kbd "a") "notifications-add")
(define-key m (kbd "r") "notifications-reset")
(define-key m (kbd "d") "notifications-delete-first")
(define-key m (kbd "D") "notifications-delete-last")
(define-key m (kbd "s") "notifications-show")
m))
;; Local Variables:
;; mode: outline-minor
;; coding: utf-8
;; End:
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