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-click (event)
  87   "Call widget-button-click and select the last selected window."
  88   (interactive "e")                     ;widget-button-click has
  89                                         ;interactive spec "@e"
  90   (let ((buffer (current-buffer))
  91         (point (point))
  92         window)
  93     (unwind-protect
  94         (save-excursion
  95           (set-buffer (riece-event-buffer event))
  96           (goto-char (riece-event-point event))
  97           (widget-button-click event))
  98       ;; riece-button-switch-to-identity changes window-configuration
  99       ;; so we must select the last selected window by _buffer_.
 100       (if (setq window (get-buffer-window buffer))
 101           (progn
 102             (select-window window)
 103             (set-window-point window point))
 104         (if riece-debug
 105             (message "buffer %s not visible" (buffer-name buffer)))))))
 106
 107 (defun riece-identity-button-popup-menu (event)
 108   "Popup the menu for identity buttons."
 109   (interactive "e")
 110   (save-excursion
 111     (set-buffer (riece-event-buffer event))
 112     (goto-char (riece-event-point event))
 113     (riece-popup-menu-popup
 114      (if (riece-channel-p (riece-identity-prefix
 115                            (get-text-property (point) 'riece-identity)))
 116          riece-channel-button-popup-menu
 117        riece-user-button-popup-menu)
 118      event)))
 119
 120 (defun riece-channel-button-switch-to-channel ()
 121   (interactive)
 122   (riece-command-switch-to-channel
 123    (get-text-property (point) 'riece-identity)))
 124
 125 (defun riece-channel-button-part ()
 126   (interactive)
 127   (riece-command-part
 128    (get-text-property (point) 'riece-identity)))
 129
 130 (defun riece-channel-button-list ()
 131   (interactive)
 132   (riece-command-list
 133    (riece-identity-prefix (get-text-property (point) 'riece-identity))))
 134
 135 (defun riece-user-button-join-partner ()
 136   (interactive)
 137   (riece-command-join-partner
 138    (get-text-property (point) 'riece-identity)))
 139
 140 (defun riece-user-button-set-operators ()
 141   (interactive)
 142   (let (group users)
 143     (if (riece-region-active-p)
 144         (save-excursion
 145           (riece-scan-property-region
 146            'riece-identity
 147            (region-beginning) (region-end)
 148            (lambda (start end)
 149              (setq group (cons (get-text-property start 'riece-identity)
 150                                group)))))
 151       (setq group (list (get-text-property (point) 'riece-identity))))
 152     (setq users (riece-with-server-buffer
 153                     (riece-identity-server riece-current-channel)
 154                   (riece-channel-get-users (riece-identity-prefix
 155                                             riece-current-channel))))
 156     (if (setq group
 157               (delq nil
 158                     (mapcar
 159                      (lambda (identity)
 160                        (unless (memq ?o (cdr (riece-identity-assoc
 161                                               (riece-identity-prefix identity)
 162                                               users
 163                                               t)))
 164                          identity))
 165                      group)))
 166         (riece-command-set-operators (mapcar #'riece-identity-prefix group)))))
 167
 168 (defun riece-user-button-set-speakers ()
 169   (interactive)
 170   (let (group users)
 171     (if (riece-region-active-p)
 172         (save-excursion
 173           (riece-scan-property-region
 174            'riece-identity
 175            (region-beginning) (region-end)
 176            (lambda (start end)
 177              (setq group (cons (get-text-property start 'riece-identity)
 178                                group)))))
 179       (setq group (list (get-text-property (point) 'riece-identity))))
 180     (setq users (riece-with-server-buffer
 181                     (riece-identity-server riece-current-channel)
 182                   (riece-channel-get-users (riece-identity-prefix
 183                                             riece-current-channel))))
 184     (if (setq group
 185               (delq nil
 186                     (mapcar
 187                      (lambda (identity)
 188                        (unless (memq ?v (cdr (riece-identity-assoc
 189                                               (riece-identity-prefix identity)
 190                                               users
 191                                               t)))
 192                          identity))
 193                      group)))
 194         (riece-command-set-speakers (mapcar #'riece-identity-prefix group)))))
 195
 196 (defun riece-user-button-finger ()
 197   (interactive)
 198   (riece-command-finger (get-text-property (point) 'riece-identity)))
 199
 200 (defun riece-make-identity-button-map ()
 201   (let ((map (make-sparse-keymap)))
 202     (set-keymap-parent map (current-local-map))
 203     (define-key map [down-mouse-2] 'riece-identity-button-click)
 204     (define-key map [down-mouse-3] 'riece-identity-button-popup-menu)
 205     map))
 206
 207 (defvar riece-identity-button-map)
 208 (defun riece-button-add-identity-button (start end)
 209   (if riece-button-enabled
 210       (riece-scan-property-region
 211        'riece-identity
 212        start end
 213        (lambda (start end)
 214          (let ((inhibit-read-only t)
 215                buffer-read-only)
 216            (widget-convert-button 'riece-identity-button start end
 217                                   (get-text-property start 'riece-identity))
 218            (add-text-properties
 219             start end
 220             (list 'local-map riece-identity-button-map
 221                   'keymap riece-identity-button-map)))))))
 222
 223 (defun riece-button-update-buffer ()
 224   (riece-button-add-identity-button (point-min) (point-max)))
 225
 226 (defvar riece-channel-list-mode-map)
 227 (defvar riece-user-list-mode-map)
 228 (defvar riece-dialogue-mode-map)
 229 (defun riece-button-insinuate ()
 230   (add-hook 'riece-channel-list-mode-hook
 231             (lambda ()
 232               (set-keymap-parent riece-channel-list-mode-map widget-keymap)
 233               (set (make-local-variable 'riece-identity-button-map)
 234                    (riece-make-identity-button-map))
 235               (add-hook 'riece-update-buffer-functions
 236                         'riece-button-update-buffer t t)))
 237   (add-hook 'riece-user-list-mode-hook
 238             (lambda ()
 239               (set-keymap-parent riece-user-list-mode-map widget-keymap)
 240               (set (make-local-variable 'riece-identity-button-map)
 241                    (riece-make-identity-button-map))
 242               (add-hook 'riece-update-buffer-functions
 243                         'riece-button-update-buffer t t)))
 244   (add-hook 'riece-dialogue-mode-hook
 245             (lambda ()
 246               (set-keymap-parent riece-dialogue-mode-map widget-keymap)
 247               (set (make-local-variable 'riece-identity-button-map)
 248                    (riece-make-identity-button-map))))
 249   (add-hook 'riece-after-insert-functions 'riece-button-add-identity-button))
 250
 251 (defun riece-button-enable ()
 252   (setq riece-button-enabled t)
 253   (let ((pointer riece-buffer-list))
 254     (while pointer
 255       (with-current-buffer (car pointer)
 256         (if (eq (derived-mode-class major-mode)
 257                 'riece-dialogue-mode)
 258             (riece-button-update-buffer)))
 259       (setq pointer (cdr pointer)))
 260     (if riece-current-channel
 261         (riece-emit-signal 'user-list-changed riece-current-channel))
 262     (riece-emit-signal 'channel-list-changed)))
 263
 264 (defun riece-button-disable ()
 265   (setq riece-button-enabled nil)
 266   (save-excursion
 267     (let ((pointer riece-buffer-list))
 268       (while pointer
 269         ;; On XEmacs, BUFFER arg of widget-map-buttons is ignored.
 270         (set-buffer (car pointer))
 271         (widget-map-buttons
 272          (lambda (widget maparg)
 273            (widget-leave-text widget)))
 274         (setq pointer (cdr pointer))))))
 275
 276 (provide 'riece-button)
 277
 278 ;;; riece-button.el ends here