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, 2006-2011  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 of the License, or
  14 ;; (at your option) 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.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;; This file contains code related to Ibuffer and ERC.  Totally alpha,
  27 ;; needs work.  Usage:  Type / C-e C-h when in Ibuffer-mode to see new
  28 ;; limiting commands
  29
  30 ;;; Code:
  31
  32 (require 'ibuffer)
  33 (require 'ibuf-ext)
  34 (require 'erc)
  35
  36 (defgroup erc-ibuffer nil
  37   "The Ibuffer group for ERC."
  38   :group 'erc)
  39
  40 (defcustom erc-ibuffer-keyword-char ?k
  41   "Char used to indicate a channel which had keyword traffic lately (hidden)."
  42   :group 'erc-ibuffer
  43   :type 'character)
  44 (defcustom erc-ibuffer-pal-char ?p
  45   "Char used to indicate a channel which had pal traffic lately (hidden)."
  46   :group 'erc-ibuffer
  47   :type 'character)
  48 (defcustom erc-ibuffer-fool-char ?f
  49   "Char used to indicate a channel which had fool traffic lately (hidden)."
  50   :group 'erc-ibuffer
  51   :type 'character)
  52 (defcustom erc-ibuffer-dangerous-host-char ?d
  53   "Char used to indicate a channel which had dangerous-host traffic lately
  54 \(hidden)."
  55   :group 'erc-ibuffer
  56   :type 'character)
  57
  58 (define-ibuffer-filter erc-server
  59   "Toggle current view to buffers which are related to ERC servers."
  60   (:description "erc servers"
  61    :reader
  62    (let ((regexp
  63           (read-from-minibuffer "Limit by server (regexp) (RET for all): ")))
  64      (if (string= regexp "")
  65          ".*"
  66        regexp)))
  67   (with-current-buffer buf
  68     (and (eq major-mode 'erc-mode)
  69          (string-match qualifier (or erc-server-announced-name
  70                                      erc-session-server)))))
  71
  72 ;; Silence the byte-compiler
  73 (defvar erc-modified-channels-alist)
  74
  75 (define-ibuffer-column erc-modified (:name "M")
  76   (if (and (boundp 'erc-track-mode)
  77            erc-track-mode)
  78       (let ((entry (assq (current-buffer) erc-modified-channels-alist)))
  79         (if entry
  80             (if (> (length entry) 1)
  81                 (cond ((eq 'pal (nth 1 entry))
  82                        (string erc-ibuffer-pal-char))
  83                       ((eq 'fool (nth 1 entry))
  84                        (string erc-ibuffer-fool-char))
  85                       ((eq 'keyword (nth 1 entry))
  86                        (string erc-ibuffer-keyword-char))
  87                       ((eq 'dangerous-host (nth 1 entry))
  88                        (string erc-ibuffer-dangerous-host-char))
  89                       (t "$"))
  90               (string ibuffer-modified-char))
  91           " "))
  92     " "))
  93
  94 (define-ibuffer-column erc-server-name (:name "Server")
  95   (if (and erc-server-process (processp erc-server-process))
  96       (with-current-buffer (process-buffer erc-server-process)
  97         (or erc-server-announced-name erc-session-server))
  98     ""))
  99
 100 (define-ibuffer-column erc-target (:name "Target")
 101   (if (eq major-mode 'erc-mode)
 102       (cond ((and erc-server-process (processp erc-server-process)
 103                   (eq (current-buffer) (process-buffer erc-server-process)))
 104              (concat "Server " erc-session-server ":"
 105                      (erc-port-to-string erc-session-port)))
 106             ((erc-channel-p (erc-default-target))
 107              (concat (erc-default-target)))
 108             ((erc-default-target)
 109              (concat "Query: " (erc-default-target)))
 110             (t "(parted)"))
 111     (buffer-name)))
 112
 113 (define-ibuffer-column erc-topic (:name "Topic")
 114   (if (and (eq major-mode 'erc-mode)
 115            erc-channel-topic)
 116       (erc-controls-interpret erc-channel-topic)
 117     ""))
 118
 119 (define-ibuffer-column
 120  erc-members (:name "Users")
 121   (if (and (eq major-mode 'erc-mode)
 122            (boundp 'erc-channel-users)
 123            (hash-table-p erc-channel-users)
 124            (> (hash-table-size erc-channel-users) 0))
 125      (number-to-string (hash-table-size erc-channel-users))
 126     ""))
 127
 128 (define-ibuffer-column erc-away (:name "A")
 129   (if (and erc-server-process
 130            (processp erc-server-process)
 131            (erc-away-time))
 132       "A"
 133     " "))
 134
 135 (define-ibuffer-column
 136  erc-op (:name "O")
 137   (if (and (eq major-mode 'erc-mode)
 138            (erc-channel-user-op-p (erc-current-nick)))
 139       "@"
 140     " "))
 141
 142 (define-ibuffer-column erc-voice (:name "V")
 143   (if (and (eq major-mode 'erc-mode)
 144            (erc-channel-user-voice-p (erc-current-nick)))
 145       "+"
 146     " "))
 147
 148 (define-ibuffer-column erc-channel-modes (:name "Mode")
 149   (if (and (eq major-mode 'erc-mode)
 150            (or (> (length erc-channel-modes) 0)
 151                erc-channel-user-limit))
 152       (concat (apply 'concat
 153                      "(+" erc-channel-modes)
 154               (if erc-channel-user-limit
 155                   (format "l %d" erc-channel-user-limit)
 156                 "")
 157               ")")
 158     (if (not (derived-mode-p 'erc-mode))
 159         (format-mode-line mode-name nil nil (current-buffer))
 160       "")))
 161
 162 (define-ibuffer-column erc-nick (:name "Nick")
 163   (if (eq major-mode 'erc-mode)
 164       (erc-current-nick)
 165     ""))
 166
 167 (defvar erc-ibuffer-formats
 168   '((mark erc-modified erc-away erc-op erc-voice " " (erc-nick 8 8) " "
 169           (erc-target 18 40) (erc-members 5 5 :center)
 170           (erc-channel-modes 6 16 :center) " " (erc-server-name 20 30) " "
 171           (erc-topic 10 -1))
 172     (mark erc-modified erc-away erc-op erc-voice " " (erc-target 18 40)
 173           (erc-members 5 5 :center) (erc-channel-modes 9 20 :center) " "
 174           (erc-topic 10 -1))))
 175 (setq ibuffer-formats (append ibuffer-formats erc-ibuffer-formats))
 176
 177 (defvar erc-ibuffer-limit-map nil
 178   "Prefix keymap to use for ERC related limiting.")
 179 (define-prefix-command 'erc-ibuffer-limit-map)
 180 (define-key 'erc-ibuffer-limit-map (kbd "s") 'ibuffer-limit-by-erc-server)
 181 (define-key ibuffer-mode-map (kbd "/ \C-e") 'erc-ibuffer-limit-map)
 182
 183 (provide 'erc-ibuffer)
 184
 185 ;;; erc-ibuffer.el ends here
 186 ;;
 187 ;; Local Variables:
 188 ;; indent-tabs-mode: t
 189 ;; tab-width: 8
 190 ;; End:
 191