code.delx.au - gnu-emacs/blob - lisp/erc/erc-ibuffer.el

   1 ;;; erc-ibuffer.el --- ibuffer integration with ERC
   2
   3 ;; Copyright (C) 2002, 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
   4
   5 ;; Author: Mario Lang <mlang@delysid.org>
   6 ;; Keywords: comm
   7 ;; URL: http://www.emacswiki.org/cgi-bin/wiki.pl?ErcIbuffer
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software; you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation; either version 3, or (at your option)
  14 ;; any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 ;; Boston, MA 02110-1301, USA.
  25
  26 ;;; Commentary:
  27
  28 ;; This file contains code related to Ibuffer and ERC.  Totally alpha,
  29 ;; needs work.  Usage:  Type / C-e C-h when in Ibuffer-mode to see new
  30 ;; limiting commands
  31
  32 ;;; Code:
  33
  34 (require 'ibuffer)
  35 (require 'ibuf-ext)
  36 (require 'erc)
  37
  38 (defgroup erc-ibuffer nil
  39   "The Ibuffer group for ERC."
  40   :group 'erc)
  41
  42 (defcustom erc-ibuffer-keyword-char ?k
  43   "Char used to indicate a channel which had keyword traffic lately (hidden)."
  44   :group 'erc-ibuffer
  45   :type 'character)
  46 (defcustom erc-ibuffer-pal-char ?p
  47   "Char used to indicate a channel which had pal traffic lately (hidden)."
  48   :group 'erc-ibuffer
  49   :type 'character)
  50 (defcustom erc-ibuffer-fool-char ?f
  51   "Char used to indicate a channel which had fool traffic lately (hidden)."
  52   :group 'erc-ibuffer
  53   :type 'character)
  54 (defcustom erc-ibuffer-dangerous-host-char ?d
  55   "Char used to indicate a channel which had dangerous-host traffic lately
  56 \(hidden)."
  57   :group 'erc-ibuffer
  58   :type 'character)
  59
  60 (define-ibuffer-filter erc-server
  61   "Toggle current view to buffers which are related to ERC servers."
  62   (:description "erc servers"
  63    :reader
  64    (let ((regexp
  65           (read-from-minibuffer "Limit by server (regexp) (RET for all): ")))
  66      (if (string= regexp "")
  67          ".*"
  68        regexp)))
  69   (with-current-buffer buf
  70     (and (eq major-mode 'erc-mode)
  71          (string-match qualifier (or erc-server-announced-name
  72                                      erc-session-server)))))
  73
  74 ;; Silence the byte-compiler
  75 (eval-when-compile
  76   (defvar erc-modified-channels-alist))
  77
  78 (define-ibuffer-column erc-modified (:name "M")
  79   (if (and (boundp 'erc-track-mode)
  80            erc-track-mode)
  81       (let ((entry (assq (current-buffer) erc-modified-channels-alist)))
  82         (if entry
  83             (if (> (length entry) 1)
  84                 (cond ((eq 'pal (nth 1 entry))
  85                        (string erc-ibuffer-pal-char))
  86                       ((eq 'fool (nth 1 entry))
  87                        (string erc-ibuffer-fool-char))
  88                       ((eq 'keyword (nth 1 entry))
  89                        (string erc-ibuffer-keyword-char))
  90                       ((eq 'dangerous-host (nth 1 entry))
  91                        (string erc-ibuffer-dangerous-host-char))
  92                       (t "$"))
  93               (string ibuffer-modified-char))
  94           " "))
  95     " "))
  96
  97 (define-ibuffer-column erc-server-name (:name "Server")
  98   (if (and erc-server-process (processp erc-server-process))
  99       (with-current-buffer (process-buffer erc-server-process)
 100         (or erc-server-announced-name erc-session-server))
 101     ""))
 102
 103 (define-ibuffer-column erc-target (:name "Target")
 104   (if (eq major-mode 'erc-mode)
 105       (cond ((and erc-server-process (processp erc-server-process)
 106                   (eq (current-buffer) (process-buffer erc-server-process)))
 107              (concat "Server " erc-session-server ":"
 108                      (erc-port-to-string erc-session-port)))
 109             ((erc-channel-p (erc-default-target))
 110              (concat (erc-default-target)))
 111             ((erc-default-target)
 112              (concat "Query: " (erc-default-target)))
 113             (t "(parted)"))
 114     (buffer-name)))
 115
 116 (define-ibuffer-column erc-topic (:name "Topic")
 117   (if (and (eq major-mode 'erc-mode)
 118            erc-channel-topic)
 119       (erc-controls-interpret erc-channel-topic)
 120     ""))
 121
 122 (define-ibuffer-column
 123  erc-members (:name "Users")
 124   (if (and (eq major-mode 'erc-mode)
 125            (boundp 'erc-channel-users)
 126            (hash-table-p erc-channel-users)
 127            (> (hash-table-size erc-channel-users) 0))
 128      (number-to-string (hash-table-size erc-channel-users))
 129     ""))
 130
 131 (define-ibuffer-column erc-away (:name "A")
 132   (if (and erc-server-process
 133            (processp erc-server-process)
 134            (erc-away-time))
 135       "A"
 136     " "))
 137
 138 (define-ibuffer-column
 139  erc-op (:name "O")
 140   (if (and (eq major-mode 'erc-mode)
 141            (erc-channel-user-op-p (erc-current-nick)))
 142       "@"
 143     " "))
 144
 145 (define-ibuffer-column erc-voice (:name "V")
 146   (if (and (eq major-mode 'erc-mode)
 147            (erc-channel-user-voice-p (erc-current-nick)))
 148       "+"
 149     " "))
 150
 151 (define-ibuffer-column erc-channel-modes (:name "Mode")
 152   (if (and (eq major-mode 'erc-mode)
 153            (or (> (length erc-channel-modes) 0)
 154                erc-channel-user-limit))
 155       (concat (apply 'concat
 156                      "(+" erc-channel-modes)
 157               (if erc-channel-user-limit
 158                   (format "l %d" erc-channel-user-limit)
 159                 "")
 160               ")")
 161     (if (not (derived-mode-p 'erc-mode))
 162         (format-mode-line mode-name nil nil (current-buffer))
 163       "")))
 164
 165 (define-ibuffer-column erc-nick (:name "Nick")
 166   (if (eq major-mode 'erc-mode)
 167       (erc-current-nick)
 168     ""))
 169
 170 (defvar erc-ibuffer-formats
 171   '((mark erc-modified erc-away erc-op erc-voice " " (erc-nick 8 8) " "
 172           (erc-target 18 40) (erc-members 5 5 :center)
 173           (erc-channel-modes 6 16 :center) " " (erc-server-name 20 30) " "
 174           (erc-topic 10 -1))
 175     (mark erc-modified erc-away erc-op erc-voice " " (erc-target 18 40)
 176           (erc-members 5 5 :center) (erc-channel-modes 9 20 :center) " "
 177           (erc-topic 10 -1))))
 178 (setq ibuffer-formats (append ibuffer-formats erc-ibuffer-formats))
 179
 180 (defvar erc-ibuffer-limit-map nil
 181   "Prefix keymap to use for ERC related limiting.")
 182 (define-prefix-command 'erc-ibuffer-limit-map)
 183 (define-key 'erc-ibuffer-limit-map (kbd "s") 'ibuffer-limit-by-erc-server)
 184 (define-key ibuffer-mode-map (kbd "/ \C-e") 'erc-ibuffer-limit-map)
 185
 186 (provide 'erc-ibuffer)
 187
 188 ;;; erc-ibuffer.el ends here
 189 ;;
 190 ;; Local Variables:
 191 ;; indent-tabs-mode: t
 192 ;; tab-width: 8
 193 ;; End:
 194
 195 ;; arch-tag: fbad56a5-8595-45e0-a8c8-d8bb91e26944