--- /dev/null
+;;; riece-icon.el --- display icons in IRC buffers -*- lexical-binding: t -*-
+;; Copyright (C) 1998-2003 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; Created: 1998-09-28
+;; Keywords: IRC, riece
+
+;; This file is part of Riece.
+
+;; 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 2, 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 GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+
+;; NOTE: This is an add-on module for Riece.
+
+;;; Code:
+
+(require 'riece-globals)
+(require 'riece-signal)
+
+(defvar riece-channel-list-icons
+ '((" " . "/* XPM */
+static char * blank_xpm[] = {
+\"12 12 1 1\",
+\" c None\",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \"};")
+ ("!" . "/* XPM */
+static char * balloon_xpm[] = {
+\"12 12 3 1\",
+\" c None\",
+\"+ c #FFDD99\",
+\"@ c #000000\",
+\" \",
+\" ++++ \",
+\" ++++++++ \",
+\" ++@@@@@@++ \",
+\" ++++++++++ \",
+\" ++@@@@@@++ \",
+\" ++++++++++ \",
+\" ++@@@@@@++ \",
+\" ++++++++ \",
+\" ++++++ \",
+\" +++ \",
+\" + \"};")
+ ("+" . "/* XPM */
+static char * check_xpm[] = {
+\"12 12 3 1\",
+\" c None\",
+\". c #9696FF\",
+\"+ c #5959FF\",
+\" \",
+\" \",
+\" .. .. \",
+\".++. .++.\",
+\" .++. .++. \",
+\" .++..++. \",
+\" .++++. \",
+\" .++. \",
+\" .. \",
+\" \",
+\" \",
+\" \"};")
+ ("*" . "/* XPM */
+static char * active_xpm[] = {
+\"12 12 3 1\",
+\" c None\",
+\". c #96FF96\",
+\"+ c #59FF59\",
+\" \",
+\" .. \",
+\" .+. \",
+\" .....++. \",
+\" .+++++++. \",
+\" .++++++++. \",
+\" .+++++++. \",
+\" .....++. \",
+\" .+. \",
+\" .. \",
+\" \",
+\" \"};")))
+
+(defvar riece-user-list-icons
+ '((" " . "/* XPM */
+static char * blank_xpm[] = {
+\"12 12 1 1\",
+\" c None\",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \",
+\" \"};")
+ ("@" . "/* XPM */
+static char * spiral_xpm[] = {
+\"12 12 3 1\",
+\" c None\",
+\". c #FF5959\",
+\"+ c #FF9696\",
+\" \",
+\" \",
+\" +++++ \",
+\" ++...++ \",
+\" ++.+++.++ \",
+\" +.++.++.+ \",
+\" +.+.+.+.+ \",
+\" +.+.+++.+ \",
+\" +.++...++ \",
+\" ++.+++++.+\",
+\" ++.....+ \",
+\" ++++++ \"};")
+ ("+" . "/* XPM */
+static char * cross_xpm[] = {
+\"12 12 3 1\",
+\" c None\",
+\". c #7F7F7F\",
+\"+ c #B2B2B2\",
+\" ++ \",
+\" +..+ \",
+\" +..+ \",
+\" +++..+++ \",
+\" +........+ \",
+\" +........+ \",
+\" +++..+++ \",
+\" +..+ \",
+\" +..+ \",
+\" +..+ \",
+\" +..+ \",
+\" ++ \"};")))
+
+(defvar riece-pointer-icon
+ "/* XPM */
+static char * a_xpm[] = {
+\"14 14 5 1\",
+\" c None\",
+\". c #FF9646\",
+\"+ c #FF5909\",
+\"@ c #FF7020\",
+\"* c #FFA500\",
+\" \",
+\" @@@@@@@@@@@ \",
+\" @*.++++++.**@\",
+\" @*.++...++.*@\",
+\" @*.++.*.++.*@\",
+\" @*.++...+.**@\",
+\" @*.+++.+.***@\",
+\" @*.++.*.+.**@\",
+\" @*.++.*.++.*@\",
+\" @*.++.*.++.*@\",
+\" @*.++.*.++.*@\",
+\" @**..***..**@\",
+\" @@@@@@@@@@@ \",
+\" \"};")
+
+(defconst riece-icon-description
+ "Display icons in IRC buffers.")
+
+(defun riece-icon-available-p ()
+ (if (featurep 'xemacs)
+ (featurep 'xpm)
+ (if (fboundp 'image-type-available-p)
+ (image-type-available-p 'xpm))))
+
+(eval-and-compile
+ (if (featurep 'xemacs)
+ (defun riece-icon-make-image (data string)
+ (make-glyph (list (vector 'xpm :data data)
+ (vector 'string :data string))))
+ (defun riece-icon-make-image (data _string)
+ (create-image data 'xpm t :ascent 'center))))
+
+(defun riece-icon-make-images (alist)
+ (let ((pointer (setq alist (copy-alist alist))))
+ (while pointer
+ (setcdr (car pointer)
+ (riece-icon-make-image (cdr (car pointer)) (car (car pointer))))
+ (setq pointer (cdr pointer)))
+ alist))
+
+(eval-and-compile
+ (if (featurep 'xemacs)
+ (defun riece-icon-add-image-region (image start end)
+ (map-extents
+ (lambda (extent _ignore)
+ (if (or (extent-property extent 'riece-icon-user-list-extent)
+ (extent-property extent 'riece-icon-user-list-annotation))
+ (delete-extent extent)))
+ (current-buffer) start end)
+ (let ((extent (make-extent start end))
+ (annotation (make-annotation image end 'text)))
+ (set-extent-property extent 'end-open t)
+ (set-extent-property extent 'start-open t)
+ (set-extent-property extent 'invisible t)
+ (set-extent-property extent 'intangible t)
+ (set-extent-property annotation
+ 'riece-icon-user-list-extent extent)
+ (set-extent-property extent
+ 'riece-icon-user-list-annotation annotation)))
+ (defun riece-icon-add-image-region (image start end)
+ (let ((inhibit-read-only t)
+ buffer-read-only)
+ (add-text-properties start end
+ (list 'display
+ image
+ 'rear-nonsticky (list 'display)))))))
+
+(defun riece-icon-update-user-list-buffer ()
+ (if (get 'riece-icon 'riece-addon-enabled)
+ (let ((images (riece-icon-make-images riece-user-list-icons)))
+ (save-excursion
+ (goto-char (point-min))
+ (while (re-search-forward "^[ @+]" nil t)
+ (riece-icon-add-image-region
+ (cdr (assoc (match-string 0) images))
+ (1- (point)) (point)))))))
+
+(defun riece-icon-update-channel-list-buffer ()
+ (if (get 'riece-icon 'riece-addon-enabled)
+ (let ((images (riece-icon-make-images riece-channel-list-icons)))
+ (save-excursion
+ (goto-char (point-min))
+ (while (re-search-forward "^ ?[0-9]+:\\([ !+*]\\)" nil t)
+ (riece-icon-add-image-region
+ (cdr (assoc (match-string 1) images))
+ (match-beginning 1) (match-end 1)))))))
+
+(eval-and-compile
+ (if (featurep 'xemacs)
+ (progn
+ (defvar riece-icon-xemacs-modeline-left-extent
+ (copy-extent modeline-buffer-id-left-extent))
+
+ (defvar riece-icon-xemacs-modeline-right-extent
+ (copy-extent modeline-buffer-id-right-extent))
+
+ (defun riece-icon-modeline-buffer-identification (line)
+ "Decorate 1st element of `mode-line-buffer-identification' LINE.
+Modify whole identification by side effect."
+ (let ((id (car line)) chopped)
+ (if (and (stringp id) (string-match "^Riece:" id))
+ (progn
+ (setq chopped (substring id 0 (match-end 0))
+ id (substring id (match-end 0)))
+ (nconc
+ (list
+ (let ((glyph
+ (make-glyph
+ (nconc
+ (if (featurep 'xpm)
+ (list (vector 'xpm :data
+ riece-pointer-icon)))
+ (list (vector 'string :data chopped))))))
+ (set-glyph-face glyph 'modeline-buffer-id)
+ (cons riece-icon-xemacs-modeline-left-extent glyph))
+ (cons riece-icon-xemacs-modeline-right-extent id))
+ (cdr line)))
+ line))))
+ (condition-case nil
+ (progn
+ (require 'image)
+ (defun riece-icon-modeline-buffer-identification (line)
+ "Decorate 1st element of `mode-line-buffer-identification' LINE.
+Modify whole identification by side effect."
+ (let ((id (copy-sequence (car line)))
+ (image
+ (if (image-type-available-p 'xpm)
+ (create-image riece-pointer-icon 'xpm t
+ :ascent 'center))))
+ (when (and image
+ (stringp id) (string-match "^Riece:" id))
+ (add-text-properties 0 (length id)
+ (list 'display image
+ 'rear-nonsticky (list 'display))
+ id)
+ (setcar line id))
+ line)))
+ (error
+ (defalias 'riece-icon-modeline-buffer-identification 'identity)))))
+
+(defun riece-icon-user-list-mode-hook ()
+ (if (riece-icon-available-p)
+ (add-hook 'riece-update-buffer-functions
+ 'riece-icon-update-user-list-buffer t t)))
+
+(defun riece-icon-channel-list-mode-hook ()
+ (if (riece-icon-available-p)
+ (add-hook 'riece-update-buffer-functions
+ 'riece-icon-update-channel-list-buffer t t)))
+
+(defun riece-icon-insinuate ()
+ (save-excursion
+ (when riece-user-list-buffer
+ (set-buffer riece-user-list-buffer)
+ (riece-icon-user-list-mode-hook))
+ (when riece-channel-list-buffer
+ (set-buffer riece-channel-list-buffer)
+ (riece-icon-channel-list-mode-hook)))
+ (add-hook 'riece-user-list-mode-hook
+ 'riece-icon-user-list-mode-hook)
+ (add-hook 'riece-channel-list-mode-hook
+ 'riece-icon-channel-list-mode-hook))
+
+(defun riece-icon-uninstall ()
+ (save-excursion
+ (when riece-user-list-buffer
+ (set-buffer riece-user-list-buffer)
+ (remove-hook 'riece-update-buffer-functions
+ 'riece-icon-update-user-list-buffer t))
+ (when riece-channel-list-buffer
+ (set-buffer riece-channel-list-buffer)
+ (remove-hook 'riece-update-buffer-functions
+ 'riece-icon-update-channel-list-buffer t)))
+ (remove-hook 'riece-user-list-mode-hook
+ 'riece-icon-user-list-mode-hook)
+ (remove-hook 'riece-channel-list-mode-hook
+ 'riece-icon-channel-list-mode-hook))
+
+(defvar riece-icon-original-mode-line-buffer-identification nil)
+
+(defun riece-icon-update-mode-line-buffer-identification ()
+ (let ((buffers riece-buffer-list))
+ (save-excursion
+ (while buffers
+ (set-buffer (car buffers))
+ (if (local-variable-p 'riece-mode-line-buffer-identification
+ (car buffers))
+ (setq mode-line-buffer-identification
+ (riece-mode-line-buffer-identification
+ riece-mode-line-buffer-identification)))
+ (setq buffers (cdr buffers))))))
+
+(defun riece-icon-enable ()
+ (setq riece-icon-original-mode-line-buffer-identification
+ (symbol-function 'riece-mode-line-buffer-identification))
+ (defalias 'riece-mode-line-buffer-identification
+ 'riece-icon-modeline-buffer-identification)
+ (riece-icon-update-mode-line-buffer-identification)
+ (if riece-current-channel
+ (riece-emit-signal 'user-list-changed riece-current-channel))
+ (riece-emit-signal 'channel-list-changed))
+
+(defun riece-icon-disable ()
+ (fset 'riece-mode-line-buffer-identification
+ riece-icon-original-mode-line-buffer-identification)
+ (riece-icon-update-mode-line-buffer-identification)
+ (if riece-current-channel
+ (riece-emit-signal 'user-list-changed riece-current-channel))
+ (riece-emit-signal 'channel-list-changed))
+
+(provide 'riece-icon)
+
+;;; riece-icon.el ends here
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