* test/test-riece-log.el

[riece] / lisp / riece-history.el

diff --git a/lisp/riece-history.el b/lisp/riece-history.el
index 6541feb..4ea6448 100644 (file)
--- a/lisp/riece-history.el
+++ b/lisp/riece-history.el
@@ -35,6 +35,7 @@
 (require 'riece-globals)
 (require 'riece-highlight)
 (require 'riece-identity)
+(require 'riece-signal)
 (require 'ring)
 
 (defgroup riece-history nil
@@ -61,8 +62,23 @@
   :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)
@@ -73,41 +89,35 @@
     (nreverse result)))
 
 (defun riece-history-format-identity-for-channel-list-buffer (index identity)
-  (if (and (not (ring-empty-p riece-channel-history))
+  (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 (not (ring-empty-p riece-channel-history))
+  (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)
-           extent)
+           (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-channel-list-history-face)))))
+              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)
-             (if (and 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
@@ -123,7 +133,17 @@
 ;;;            '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
-