* riece-highlight.el (riece-dialogue-change-face): Use defvar to

[riece] / lisp / riece-unread.el

diff --git a/lisp/riece-unread.el b/lisp/riece-unread.el
index cb27d97..0f83689 100644 (file)
--- a/lisp/riece-unread.el
+++ b/lisp/riece-unread.el
@@ -23,20 +23,43 @@
 
 ;;; Commentary:
 
-;; This add-on displays unread mark ("!") for channels which have
-;; "unread messages".
+;; This add-on marks channels where new messages are arrived.
 
-;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-unread)
+;; You can check the unread channels via `C-c g' in the commands
+;; buffer, by adding the following lines to ~/.riece/init.el:
+
+;;   (add-hook 'riece-guess-channel-try-functions
+;;             'riece-guess-channel-from-unread)
 
 ;;; Code:
 
 (require 'riece-message)
 (require 'riece-commands)
 
+(eval-when-compile (require 'riece-highlight))
+
+(defgroup riece-unread nil
+  "Mark unread channels"
+  :tag "Unread"
+  :prefix "riece-"
+  :group 'riece)
+
+(defface riece-channel-list-unread-face
+  '((((class color)
+      (background dark))
+     (:foreground "orange"))
+    (((class color)
+      (background light))
+     (:foreground "firebrick"))
+    (t
+     (:bold t)))
+  "Face used for displaying unread channels."
+  :group 'riece-highlight-faces)
+(defvar riece-channel-list-unread-face 'riece-channel-list-unread-face)
+
 (defvar riece-unread-channels nil)
 
-(defun riece-unread-display-message-function (message)
+(defun riece-unread-after-display-message-function (message)
   (unless (or (riece-message-own-p message)
              (equal (riece-message-target message) riece-current-channel))
     (setq riece-unread-channels
@@ -45,7 +68,7 @@
                 (riece-message-target message))
     (riece-unread-update-channel-list-buffer)))
 
-(defun riece-unread-channel-switch-hook ()
+(defun riece-unread-after-switch-to-channel-function (last)
   (setq riece-unread-channels
        (delete riece-current-channel
                riece-unread-channels))
@@ -76,15 +99,26 @@
       (riece-command-switch-to-channel (car riece-unread-channels))
     (error "No unread channel!")))
 
+(defun riece-guess-channel-from-unread ()
+  riece-unread-channels)
+
 (defvar riece-command-mode-map)
 (defvar riece-dialogue-mode-map)
 (defvar riece-channel-list-mode-map)
 
+(defun riece-unread-requires ()
+  (let (requires)
+    (if (memq 'riece-highlight riece-addons)
+       (setq requires (cons 'riece-highlight requires)))
+;;;    (if (memq 'riece-guess riece-addons)
+;;;    (setq requires (cons 'riece-guess requires)))
+    requires))
+
 (defun riece-unread-insinuate ()
   (add-hook 'riece-after-display-message-functions
-           'riece-unread-display-message-function)
-  (add-hook 'riece-channel-switch-hook
-           'riece-unread-channel-switch-hook)
+           'riece-unread-after-display-message-function)
+  (add-hook 'riece-after-switch-to-channel-functions
+           'riece-unread-after-switch-to-channel-function)
   (add-hook 'riece-update-buffer-functions
            'riece-unread-update-channel-list-buffer t)
   (define-key riece-command-mode-map
@@ -92,7 +126,15 @@
   (define-key riece-dialogue-mode-map
     "u" 'riece-unread-switch-to-channel)
   (define-key riece-channel-list-mode-map
-    "u" 'riece-unread-switch-to-channel))
+    "u" 'riece-unread-switch-to-channel)
+  (if (memq 'riece-highlight riece-addons)
+      (setq riece-channel-list-mark-face-alist
+           (cons '(?! . riece-channel-list-unread-face)
+                 riece-channel-list-mark-face-alist)))
+;;;  (if (memq 'riece-guess riece-addons)
+;;;      (add-hook 'riece-guess-channel-try-functions
+;;;            'riece-guess-channel-from-unread))
+  )
 
 (provide 'riece-unread)