cgit.sxemacs.org Git - riece/blob - lisp/riece-button.el

   1 ;;; riece-button.el --- adding buttons in channel buffers
   2 ;; Copyright (C) 1998-2003 Daiki Ueno
   3
   4 ;; Author: Daiki Ueno <ueno@unixuser.org>
   5 ;; Created: 1998-09-28
   6 ;; Keywords: IRC, riece
   7
   8 ;; This file is part of Riece.
   9
  10 ;; This program is free software; you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation; either version 2, or (at your option)
  13 ;; any later version.
  14
  15 ;; This program is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 ;; Boston, MA 02111-1307, USA.
  24
  25 ;;; Commentary:
  26
  27 ;; To use, add the following line to your ~/.riece/init.el:
  28 ;; (add-to-list 'riece-addons 'riece-button)
  29
  30 ;;; Code:
  31
  32 (require 'riece-commands)
  33 (require 'riece-identity)
  34 (require 'riece-misc)
  35 (require 'wid-edit)
  36
  37 (defconst riece-channel-button-popup-menu
  38   '("Channel"
  39     ["Switch To Channel" riece-channel-button-switch-to-channel]
  40     ["Part Channel" riece-channel-button-part]
  41     ["List Channel" riece-channel-button-list])
  42   "Menu for channel buttons.")
  43
  44 (defconst riece-user-button-popup-menu
  45   '("User"
  46     ["Finger (WHOIS)" riece-user-button-finger]
  47     ["Start Private Conversation" riece-user-button-join-partner]
  48     ["Give Channel Operator Privileges" riece-user-button-set-operators]
  49     ["Allow To Speak" riece-user-button-set-speakers])
  50   "Menu for user buttons.")
  51
  52 (defvar riece-button-enabled nil)
  53
  54 (defconst riece-button-description
  55   "Display useful buttons in IRC buffers")
  56
  57 (defvar help-echo-owns-message)
  58 (define-widget 'riece-identity-button 'push-button
  59   "A channel button."
  60   :action 'riece-button-switch-to-identity
  61   :help-echo
  62   (lambda (widget/window &optional overlay pos)
  63     ;; Needed to properly clear the message due to a bug in
  64     ;; wid-edit (XEmacs only).
  65     (if (boundp 'help-echo-owns-message)
  66         (setq help-echo-owns-message t))
  67     (format "%S: switch to %s; down-mouse-3: more options"
  68             (aref riece-mouse-2 0)
  69             ;; XEmacs will get a single widget arg; Emacs 21 will get
  70             ;; window, overlay, position.
  71             (riece-format-identity
  72              (if overlay
  73                  (with-current-buffer (riece-overlay-buffer overlay)
  74                    (widget-value (widget-at (riece-overlay-start overlay))))
  75                (widget-value widget/window))))))
  76
  77 (defun riece-button-switch-to-identity (widget &optional event)
  78   "Switch to identity stored in WIDGET.
  79 This function is used as a callback for a channel button."
  80   (let ((channel (widget-value widget)))
  81     (if (riece-identity-member channel riece-current-channels)
  82         (riece-command-switch-to-channel channel)
  83       (message "%s" (substitute-command-keys
  84                      "Type \\[riece-command-join] to join the channel")))))
  85
  86 (defun riece-identity-button-popup-menu (event)
  87   "Popup the menu for identity buttons."
  88   (interactive "@e")
  89   (save-excursion
  90     (set-buffer (riece-event-buffer event))
  91     (goto-char (riece-event-point event))
  92     (riece-popup-menu-popup
  93      (if (riece-channel-p (riece-identity-prefix
  94                            (get-text-property (point) 'riece-identity)))
  95          riece-channel-button-popup-menu
  96        riece-user-button-popup-menu)
  97      event)))
  98
  99 (defun riece-channel-button-switch-to-channel ()
 100   (interactive)
 101   (riece-command-switch-to-channel
 102    (get-text-property (point) 'riece-identity)))
 103
 104 (defun riece-channel-button-part ()
 105   (interactive)
 106   (riece-command-part
 107    (get-text-property (point) 'riece-identity)))
 108
 109 (defun riece-channel-button-list ()
 110   (interactive)
 111   (riece-command-list
 112    (riece-identity-prefix (get-text-property (point) 'riece-identity))))
 113
 114 (defun riece-user-button-join-partner ()
 115   (interactive)
 116   (riece-command-join-partner
 117    (get-text-property (point) 'riece-identity)))
 118
 119 (defun riece-user-button-set-operators ()
 120   (interactive)
 121   (let (group users)
 122     (if (riece-region-active-p)
 123         (save-excursion
 124           (riece-scan-property-region
 125            'riece-identity
 126            (region-beginning) (region-end)
 127            (lambda (start end)
 128              (setq group (cons (get-text-property start 'riece-identity)
 129                                group)))))
 130       (setq group (list (get-text-property (point) 'riece-identity))))
 131     (setq users (riece-with-server-buffer
 132                     (riece-identity-server riece-current-channel)
 133                   (riece-channel-get-users (riece-identity-prefix
 134                                             riece-current-channel))))
 135     (if (setq group
 136               (delq nil
 137                     (mapcar
 138                      (lambda (identity)
 139                        (unless (memq ?o (cdr (riece-identity-assoc
 140                                               (riece-identity-prefix identity)
 141                                               users
 142                                               t)))
 143                          identity))
 144                      group)))
 145         (riece-command-set-operators (mapcar #'riece-identity-prefix group)))))
 146
 147 (defun riece-user-button-set-speakers ()
 148   (interactive)
 149   (let (group users)
 150     (if (riece-region-active-p)
 151         (save-excursion
 152           (riece-scan-property-region
 153            'riece-identity
 154            (region-beginning) (region-end)
 155            (lambda (start end)
 156              (setq group (cons (get-text-property start 'riece-identity)
 157                                group)))))
 158       (setq group (list (get-text-property (point) 'riece-identity))))
 159     (setq users (riece-with-server-buffer
 160                     (riece-identity-server riece-current-channel)
 161                   (riece-channel-get-users (riece-identity-prefix
 162                                             riece-current-channel))))
 163     (if (setq group
 164               (delq nil
 165                     (mapcar
 166                      (lambda (identity)
 167                        (unless (memq ?v (cdr (riece-identity-assoc
 168                                               (riece-identity-prefix identity)
 169                                               users
 170                                               t)))
 171                          identity))
 172                      group)))
 173         (riece-command-set-speakers (mapcar #'riece-identity-prefix group)))))
 174
 175 (defun riece-user-button-finger ()
 176   (interactive)
 177   (riece-command-finger (get-text-property (point) 'riece-identity)))
 178
 179 (defun riece-make-identity-button-map ()
 180   (let ((map (make-sparse-keymap)))
 181     (set-keymap-parent map (current-local-map))
 182     (define-key map [down-mouse-3] 'riece-identity-button-popup-menu)
 183     map))
 184
 185 (defvar riece-identity-button-map)
 186 (defun riece-button-add-identity-button (start end)
 187   (if riece-button-enabled
 188       (riece-scan-property-region
 189        'riece-identity
 190        start end
 191        (lambda (start end)
 192          (let ((inhibit-read-only t)
 193                buffer-read-only)
 194            (widget-convert-button 'riece-identity-button start end
 195                                   (get-text-property start 'riece-identity))
 196            (add-text-properties
 197             start end
 198             (list 'local-map riece-identity-button-map
 199                   'keymap riece-identity-button-map)))))))
 200
 201 (defun riece-button-update-buffer ()
 202   (riece-button-add-identity-button (point-min) (point-max)))
 203
 204 (defvar riece-channel-list-mode-map)
 205 (defvar riece-user-list-mode-map)
 206 (defvar riece-dialogue-mode-map)
 207 (defun riece-button-insinuate ()
 208   (add-hook 'riece-channel-list-mode-hook
 209             (lambda ()
 210               (set-keymap-parent riece-channel-list-mode-map widget-keymap)
 211               (set (make-local-variable 'riece-identity-button-map)
 212                    (riece-make-identity-button-map))
 213               (add-hook 'riece-update-buffer-functions
 214                         'riece-button-update-buffer t t)))
 215   (add-hook 'riece-user-list-mode-hook
 216             (lambda ()
 217               (set-keymap-parent riece-user-list-mode-map widget-keymap)
 218               (set (make-local-variable 'riece-identity-button-map)
 219                    (riece-make-identity-button-map))
 220               (add-hook 'riece-update-buffer-functions
 221                         'riece-button-update-buffer t t)))
 222   (add-hook 'riece-dialogue-mode-hook
 223             (lambda ()
 224               (set-keymap-parent riece-dialogue-mode-map widget-keymap)
 225               (set (make-local-variable 'riece-identity-button-map)
 226                    (riece-make-identity-button-map))))
 227   (add-hook 'riece-after-insert-functions 'riece-button-add-identity-button))
 228
 229 (defun riece-button-enable ()
 230   (setq riece-button-enabled t)
 231   (let ((pointer riece-buffer-list))
 232     (while pointer
 233       (with-current-buffer (car pointer)
 234         (if (eq (derived-mode-class major-mode)
 235                 'riece-dialogue-mode)
 236             (riece-button-update-buffer)))
 237       (setq pointer (cdr pointer)))
 238     (if riece-current-channel
 239         (riece-emit-signal 'user-list-changed riece-current-channel))
 240     (riece-emit-signal 'channel-list-changed)))
 241
 242 (defun riece-button-disable ()
 243   (setq riece-button-enabled nil)
 244   (save-excursion
 245     (let ((pointer riece-buffer-list))
 246       (while pointer
 247         ;; On XEmacs, BUFFER arg of widget-map-buttons is ignored.
 248         (set-buffer (car pointer))
 249         (widget-map-buttons
 250          (lambda (widget maparg)
 251            (widget-leave-text widget)))
 252         (setq pointer (cdr pointer))))))
 253
 254 (provide 'riece-button)
 255
 256 ;;; riece-button.el ends here