X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Friece-guess.el;h=c5c32703abafe49553e4e58c058840865a617a66;hb=3ee8a4af3c8254994a95ffac8926af4e7b32f8bd;hp=5c01215f2ae097e51bee110e47dd796af5cfd010;hpb=c9e176be5079fdd2c81e0d3a2c4ee0d2d8cf5e17;p=riece

diff --git a/lisp/riece-guess.el b/lisp/riece-guess.el
index 5c01215..c5c3270 100644
--- a/lisp/riece-guess.el
+++ b/lisp/riece-guess.el
@@ -23,8 +23,7 @@
 
 ;;; Commentary:
 
-;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-guess)
+;; NOTE: This is an add-on module for Riece.
 
 ;;; Code:
 
@@ -32,22 +31,25 @@
 (require 'riece-commands)
 
 (defgroup riece-guess nil
-  "Guess the next channel"
+  "Guess the next channel."
   :tag "Guess"
   :prefix "riece-"
   :group 'riece)
 
-(defcustom riece-guess-channel-try-functions
-  '(riece-default-guess-channel)
+(defcustom riece-guess-channel-try-functions nil
   "Functions which returns a list of channels the user wants to switch."
   :type '(repeat function)
   :group 'riece-guess)
 
+(defconst riece-guess-description
+  "Guess the next channel, using multiple methods.")
+
 (defvar riece-current-channels)
-(defun riece-default-guess-channel ()
-  (delq nil (copy-sequence riece-current-channels)))
 
 (defun riece-guess-candidates ()
+  "Build candidate list.
+This function calls \\[riece-guess-channel-try-functions] in turn and
+merge the results."
   (let ((functions riece-guess-channel-try-functions)
 	candidates)
     (while functions
@@ -55,11 +57,21 @@
 	    (nconc candidates
 		   (delq nil (mapcar
 			      (lambda (channel)
-				(if (riece-identity-member channel candidates)
-				    nil
+				(unless (riece-identity-member
+					 channel candidates)
 				  channel))
 			      (funcall (car functions)))))
 	    functions (cdr functions)))
+    ;; Merge the default.
+    (setq candidates
+	  (nconc candidates
+		 (delq nil (mapcar
+			    (lambda (channel)
+			      (if (and channel
+				       (not (riece-identity-member
+					     channel candidates)))
+				  channel))
+			    riece-current-channels))))
     candidates))
 
 (defvar riece-guess-candidates nil)
@@ -67,7 +79,8 @@
 (defun riece-command-guess-switch-to-channel ()
   "Try to switch to the channel where the user is interested in."
   (interactive)
-  (unless (eq last-command this-command)
+  (unless (and (eq last-command this-command)
+	       riece-guess-candidates)
     (setq riece-guess-candidates (riece-guess-candidates)))
   (unless riece-guess-candidates
     (error "No channel"))
@@ -80,13 +93,24 @@
 (defvar riece-channel-list-mode-map)
 
 (defun riece-guess-insinuate ()
+  )
+
+(defun riece-guess-enable ()
   (define-key riece-command-mode-map
     "\C-cg" 'riece-command-guess-switch-to-channel)
   (define-key riece-dialogue-mode-map
     "g" 'riece-command-guess-switch-to-channel)
   (define-key riece-channel-list-mode-map
     "g" 'riece-command-guess-switch-to-channel))
-	
+
+(defun riece-guess-disable ()
+  (define-key riece-command-mode-map
+    "\C-cg" nil)
+  (define-key riece-dialogue-mode-map
+    "g" nil)
+  (define-key riece-channel-list-mode-map
+    "g" nil))
+
 (provide 'riece-guess)
 
 ;;; riece-guess.el ends here