X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Friece-history.el;h=4ea64484bafbefa026a4dcdbafb01a32b15e87bf;hb=6c6d6932464e4d79ae65205babeb6d98823df118;hp=65da96016b102f78c9cd268ff845d8a87a61d284;hpb=1a81aa31cd21424720b8a59283ab1d01ae181f73;p=riece

diff --git a/lisp/riece-history.el b/lisp/riece-history.el
index 65da960..4ea6448 100644
--- a/lisp/riece-history.el
+++ b/lisp/riece-history.el
@@ -31,6 +31,11 @@
 
 ;;; Code:
 
+(require 'riece-options)
+(require 'riece-globals)
+(require 'riece-highlight)
+(require 'riece-identity)
+(require 'riece-signal)
 (require 'ring)
 
 (defgroup riece-history nil
@@ -44,8 +49,36 @@
   :type 'integer
   :group 'riece-history)
 
+(defface riece-channel-list-history-face
+  '((((class color)
+      (background dark))
+     (:foreground "PaleTurquoise"))
+    (((class color)
+      (background light))
+     (:foreground "SeaGreen3"))
+    (t
+     (:bold t)))
+  "Face used for displaying history channels."
+  :group 'riece-highlight-faces)
+(defvar riece-channel-list-history-face 'riece-channel-list-history-face)
+
+(unless (riece-facep 'riece-modeline-history-face)
+  (make-face 'riece-modeline-history-face
+	     "Face used for displaying history channels in modeline.")
+  (if (featurep 'xemacs)
+      (set-face-parent 'riece-modeline-history-face 'modeline))
+  (set-face-foreground 'riece-modeline-history-face
+		       (face-foreground 'riece-channel-list-history-face)))
+
+(defvar riece-modeline-history-face 'riece-modeline-history-face)
+
 (defvar riece-channel-history nil)
 
+(defvar riece-history-enabled nil)
+
+(defconst riece-history-description
+  "Keep track channel history")
+
 (defun riece-guess-channel-from-history ()
   (let ((length (ring-length riece-channel-history))
 	(index 0)
@@ -55,27 +88,62 @@
 	    index (1+ index)))
     (nreverse result)))
 
+(defun riece-history-format-identity-for-channel-list-buffer (index identity)
+  (if (and riece-history-enabled
+	   (not (ring-empty-p riece-channel-history))
+	   (riece-identity-equal identity (ring-ref riece-channel-history 0)))
+      (concat (format "%2d:+" index)
+	      (riece-format-identity identity))))
+
+(defun riece-history-format-identity-for-channel-list-indicator (index
+								 identity)
+  (if (and riece-history-enabled
+	   (not (ring-empty-p riece-channel-history))
+	   (riece-identity-equal identity (ring-ref riece-channel-history 0)))
+      (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-history-face)))))
+
 ;;; (defun riece-history-requires ()
 ;;;   (if (memq 'riece-guess riece-addons)
 ;;;       '(riece-guess)))
 
 (defun riece-history-insinuate ()
-  (add-hook 'riece-startup-hook
-	    (lambda ()
-	      (setq riece-channel-history
-		    (make-ring riece-channel-history-length))))
-  (add-hook 'riece-exit-hook
-	    (lambda ()
-	      (setq riece-channel-history nil)))
   (add-hook 'riece-after-switch-to-channel-functions
 	    (lambda (last)
-	      (ring-insert riece-channel-history last)))
+	      (if (and riece-history-enabled last
+		       (not (riece-identity-equal last riece-current-channel)))
+		  (ring-insert riece-channel-history last))))
+  (add-hook 'riece-format-identity-for-channel-list-buffer-functions
+	    'riece-history-format-identity-for-channel-list-buffer)
+  (add-hook 'riece-format-identity-for-channel-list-indicator-functions
+	    'riece-history-format-identity-for-channel-list-indicator)
+  (if (memq 'riece-highlight riece-addons)
+      (setq riece-channel-list-mark-face-alist
+	    (cons '(?+ . riece-channel-list-history-face)
+		  riece-channel-list-mark-face-alist)))
 ;;;  (if (memq 'riece-guess riece-addons)
 ;;;      (add-hook 'riece-guess-channel-try-functions
 ;;;		'riece-guess-channel-from-history))
   )
 
+(defun riece-history-enable ()
+  (setq riece-channel-history
+	(make-ring riece-channel-history-length))
+  (setq riece-history-enabled t)
+  (riece-emit-signal 'channel-list-changed))
+
+(defun riece-history-disable ()
+  (setq riece-channel-history nil
+	riece-history-enabled nil)
+  (riece-emit-signal 'channel-list-changed))
+
 (provide 'riece-history)
 
 ;;; riece-history.el ends here
-