--- /dev/null
+;;; riece-highlight.el --- highlight 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-options) ;riece-channel-list-buffer-mode
+(require 'riece-identity) ;riece-format-identity
+(require 'riece-misc)
+(require 'font-lock)
+(require 'derived)
+
+(defgroup riece-highlight nil
+ "Decorate IRC buffers with faces and fonts."
+ :tag "Highlight"
+ :prefix "riece-"
+ :group 'riece)
+
+(defgroup riece-highlight-faces nil
+ "Faces for highlight IRC buffers."
+ :tag "Faces"
+ :prefix "riece-highlight-"
+ :group 'riece-highlight)
+
+(defface riece-dialogue-change-face
+ '((((class color)
+ (background dark))
+ (:foreground "cyan" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "RoyalBlue" :bold t))
+ (t
+ (:bold t)))
+ "Face used for displaying \"*** Change:\" line"
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-change-face 'riece-dialogue-change-face)
+
+(defface riece-dialogue-notice-face
+ '((((class color)
+ (background dark))
+ (:foreground "green2" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "MidnightBlue" :bold t))
+ (t
+ (:bold t)))
+ "Face used for displaying \"*** Notice:\" line"
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-notice-face 'riece-dialogue-notice-face)
+
+(defface riece-dialogue-wallops-face
+ '((((class color)
+ (background dark))
+ (:foreground "yellow" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "blue4" :bold t))
+ (t
+ (:bold t)))
+ "Face used for displaying \"*** Wallops:\" line"
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-wallops-face 'riece-dialogue-wallops-face)
+
+(defface riece-dialogue-error-face
+ '((((class color)
+ (background dark))
+ (:foreground "cornflower blue" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "DarkGreen"))
+ (t
+ (:bold t)))
+ "Face used for displaying \"*** Error:\" line"
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-error-face 'riece-dialogue-error-face)
+
+(defface riece-dialogue-info-face
+ '((((class color)
+ (background dark))
+ (:foreground "PaleTurquoise" :bold t))
+ (((class color)
+ (background light))
+ (:foreground "RoyalBlue"))
+ (t
+ (:bold t)))
+ "Face used for displaying \"*** Info:\" line"
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-info-face 'riece-dialogue-info-face)
+
+(defface riece-dialogue-server-face
+ '((((class color)
+ (background dark))
+ (:foreground "Gray70"))
+ (((class color)
+ (background light))
+ (:foreground "DimGray"))
+ (t
+ (:bold t)))
+ "Face used for displaying \"(from server)\" extent."
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-server-face 'riece-dialogue-server-face)
+
+(defface riece-dialogue-prefix-face
+ '((((class color)
+ (background dark))
+ (:foreground "moccasin"))
+ (((class color)
+ (background light))
+ (:foreground "firebrick"))
+ (t
+ (:bold nil)))
+ "Face used for displaying \"<nick>\" extent"
+ :group 'riece-highlight-faces)
+(defvar riece-dialogue-prefix-face 'riece-dialogue-prefix-face)
+
+(defcustom riece-dialogue-font-lock-keywords
+ (append
+ (list (list (concat "^" riece-time-prefix-regexp
+ "\\(<[^>]+>\\|>[^<]+<\\|([^)]+)\\|{[^}]+}\\|=[^=]+=\\)")
+ '(1 riece-dialogue-prefix-face append t)))
+ ;; set property to the whole line
+ (mapcar
+ (lambda (line)
+ (cons
+ (concat
+ "^" riece-time-prefix-regexp "\\("
+ (regexp-quote
+ (symbol-value (intern (format "riece-%s-prefix" line))))
+ ".*\\)$")
+ (list 1 (intern (format "riece-dialogue-%s-face" line)) t t)))
+ '(change notice wallops error info))
+ '((riece-highlight-server-match 0 riece-dialogue-server-face t)))
+ "Default expressions to highlight in riece-dialogue-mode."
+ :type '(repeat (list string))
+ :group 'riece-highlight)
+
+(defface riece-channel-list-default-face
+ '((t ()))
+ "Face used for displaying channels."
+ :group 'riece-highlight-faces)
+(defvar riece-channel-list-default-face 'riece-channel-list-default-face)
+
+(defface riece-channel-list-current-face
+ '((((class color)
+ (background dark))
+ (:foreground "turquoise" :underline t))
+ (((class color)
+ (background light))
+ (:foreground "SeaGreen" :underline t))
+ (t
+ ()))
+ "Face used for displaying the current channel."
+ :group 'riece-highlight-faces)
+(defvar riece-channel-list-current-face 'riece-channel-list-current-face)
+
+(defcustom riece-channel-list-mark-face-alist
+ '((?* . riece-channel-list-current-face))
+ "An alist mapping marks on riece-channel-list-buffer to faces."
+ :type '(repeat (cons character symbol))
+ :group 'riece-highlight)
+
+(defcustom riece-channel-list-font-lock-keywords
+ '(("^[ 0-9][0-9]:\\(.\\)\\(.*\\)"
+ (2 (or (cdr (assq (aref (match-string 1) 0)
+ riece-channel-list-mark-face-alist))
+ riece-channel-list-default-face))))
+ "Default expressions to highlight in riece-channel-list-mode."
+ :type '(repeat (list string))
+ :group 'riece-highlight)
+
+(unless (riece-facep 'riece-modeline-current-face)
+ ;; In Emacs, set-face-doc-string is an alias to
+ ;; set-face-documentation, but we use the former since it is
+ ;; available in both Emacs and XEmacs.
+ (make-face 'riece-modeline-current-face)
+ (set-face-doc-string
+ 'riece-modeline-current-face
+ "Face used for displaying the current channel in modeline.")
+ (if (featurep 'xemacs)
+ (set-face-parent 'riece-modeline-current-face 'modeline))
+ (set-face-foreground 'riece-modeline-current-face
+ (face-foreground 'riece-channel-list-current-face)))
+
+(defconst riece-highlight-description
+ "Highlight IRC buffers.")
+
+(defun riece-highlight-server-match (limit)
+ (and (re-search-forward "(from [^)]+)$" limit t)
+ (get-text-property (match-beginning 0) 'riece-server-name)))
+
+(defun riece-highlight-setup-dialogue ()
+ (make-local-variable 'font-lock-defaults)
+ (setq font-lock-defaults '(riece-dialogue-font-lock-keywords t))
+ ;; In XEmacs, auto-initialization of font-lock is not affective
+ ;; when buffer-file-name is not set.
+ (font-lock-set-defaults)
+ (riece-make-local-hook 'after-change-functions)
+ (add-hook 'after-change-functions
+ 'riece-highlight-hide-prefix nil t)
+ (if (get 'riece-highlight 'riece-addon-enabled)
+ (font-lock-mode 1)))
+
+(defun riece-highlight-setup-channel-list ()
+ (make-local-variable 'font-lock-defaults)
+ (setq font-lock-defaults '(riece-channel-list-font-lock-keywords t))
+ ;; In XEmacs, auto-initialization of font-lock is not affective
+ ;; when buffer-file-name is not set.
+ (font-lock-set-defaults)
+ (if (get 'riece-highlight 'riece-addon-enabled)
+ (font-lock-mode 1)))
+
+(defun riece-highlight-hide-prefix (start _end _length)
+ (save-excursion
+ (goto-char start)
+ (if (looking-at riece-prefix-regexp)
+ (put-text-property (match-beginning 1) (match-end 1) 'invisible t))))
+
+(defun riece-highlight-put-overlay-faces (start end)
+ (if (get 'riece-highlight 'riece-addon-enabled)
+ (riece-scan-property-region
+ 'riece-overlay-face
+ start end
+ (lambda (start end)
+ (riece-overlay-put (riece-make-overlay start end)
+ 'face
+ (get-text-property start 'riece-overlay-face))))))
+
+(defun riece-highlight-format-identity-for-channel-list-indicator (index
+ identity)
+ (if (and (get 'riece-highlight 'riece-addon-enabled)
+ (riece-identity-equal identity riece-current-channel))
+ (let ((string (riece-format-identity identity))
+ (start 0))
+ ;; Escape % -> %%.
+ (while (string-match "%" string start)
+ (setq start (1+ (match-end 0))
+ string (replace-match "%%" nil nil string)))
+ (list (format "%d:" index)
+ (riece-propertize-modeline-string
+ string 'face 'riece-modeline-current-face)))))
+
+(defun riece-highlight-insinuate ()
+ (put 'riece-channel-mode 'font-lock-defaults
+ '(riece-dialogue-font-lock-keywords t))
+ (put 'riece-others-mode 'font-lock-defaults
+ '(riece-dialogue-font-lock-keywords t))
+ (put 'riece-dialogue-mode 'font-lock-defaults
+ '(riece-dialogue-font-lock-keywords t))
+ (add-hook 'riece-dialogue-mode-hook
+ 'riece-highlight-setup-dialogue)
+ (put 'riece-channel-list-mode 'font-lock-defaults
+ '(riece-channel-list-font-lock-keywords t))
+ (add-hook 'riece-channel-list-mode-hook
+ 'riece-highlight-setup-channel-list)
+ (add-hook 'riece-format-identity-for-channel-list-indicator-functions
+ 'riece-highlight-format-identity-for-channel-list-indicator)
+ (add-hook 'riece-after-insert-functions
+ 'riece-highlight-put-overlay-faces))
+
+(defun riece-highlight-uninstall ()
+ (let ((buffers riece-buffer-list))
+ (save-excursion
+ (while buffers
+ (set-buffer (car buffers))
+ (if (riece-derived-mode-p 'riece-dialogue-mode)
+ (remove-hook 'after-change-functions
+ 'riece-highlight-hide-prefix t))
+ (setq buffers (cdr buffers)))))
+ (riece-remprop 'riece-channel-mode 'font-lock-defaults)
+ (riece-remprop 'riece-others-mode 'font-lock-defaults)
+ (riece-remprop 'riece-dialogue-mode 'font-lock-defaults)
+ (remove-hook 'riece-dialogue-mode-hook
+ 'riece-highlight-setup-dialogue)
+ (riece-remprop 'riece-channel-list-mode 'font-lock-defaults)
+ (remove-hook 'riece-channel-list-mode-hook
+ 'riece-highlight-setup-channel-list)
+ (remove-hook 'riece-format-identity-for-channel-list-indicator-functions
+ 'riece-highlight-format-identity-for-channel-list-indicator)
+ (remove-hook 'riece-after-insert-functions
+ 'riece-highlight-put-overlay-faces))
+
+(defun riece-highlight-enable ()
+ (let ((buffers riece-buffer-list))
+ (while buffers
+ (if (with-current-buffer (car buffers)
+ (riece-derived-mode-p 'riece-dialogue-mode
+ 'riece-channel-list-mode))
+ (with-current-buffer (car buffers)
+ (font-lock-mode 1)))
+ (setq buffers (cdr buffers)))))
+
+(defun riece-highlight-disable ()
+ (let ((buffers riece-buffer-list))
+ (while buffers
+ (if (with-current-buffer (car buffers)
+ (riece-derived-mode-p 'riece-dialogue-mode
+ 'riece-channel-list-mode))
+ (with-current-buffer (car buffers)
+ (font-lock-mode 0)))
+ (setq buffers (cdr buffers)))))
+
+(provide 'riece-highlight)
+
+;;; riece-highlight.el ends here
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