* riece-xface.el: Support enable/disable.

[riece] / lisp / riece-ctlseq.el

diff --git a/lisp/riece-ctlseq.el b/lisp/riece-ctlseq.el
index 70dc797..987e4ca 100644 (file)
--- a/lisp/riece-ctlseq.el
+++ b/lisp/riece-ctlseq.el
@@ -57,6 +57,11 @@
 (defvar riece-ctlseq-face-cache nil)
 (defvar riece-ctlseq-face-counter 0)
 
+(defvar riece-ctlseq-enabled nil)
+
+(defvar riece-ctlseq-description
+  "Highlight control sequences in IRC buffers")
+
 (defun riece-ctlseq-compatible-attributes-p (this other)
   (let ((pointer this))
     (catch 'mismatched
@@ -151,28 +156,29 @@
     attrs)))
 
 (defun riece-ctlseq-message-filter (message)
-  (let ((start 0)
-       (end (length (riece-message-text message)))
-       attrs)
-    (while (string-match
-           "[\x2\xF\x16\x1F]\\|\x3\\([0-9]+\\)?\\(,[0-9]+\\)?"
-           (riece-message-text message) start)
-      (if riece-ctlseq-hide-controls
-         (put-text-property (match-beginning 0) (match-end 0)
-                            'invisible 'riece-ctlseq
-                            (riece-message-text message)))
-      (if attrs
-         (put-text-property start (match-beginning 0)
-                            'riece-ctlseq-attributes (copy-sequence attrs)
-                            (riece-message-text message)))
-      (setq start (match-end 0)
-           attrs (riece-ctlseq-update-attributes
-                  (match-string 0 (riece-message-text message)) attrs)))
-    (if (and (< start end) attrs)
-       (put-text-property start end
-                          'riece-overlay-face
-                          (riece-ctlseq-face-from-cache attrs)
-                          (riece-message-text message))))
+  (if riece-ctlseq-enabled
+      (let ((start 0)
+           (end (length (riece-message-text message)))
+           attrs)
+       (while (string-match
+               "[\x2\xF\x16\x1F]\\|\x3\\([0-9]+\\)?\\(,[0-9]+\\)?"
+               (riece-message-text message) start)
+         (if riece-ctlseq-hide-controls
+             (put-text-property (match-beginning 0) (match-end 0)
+                                'invisible 'riece-ctlseq
+                                (riece-message-text message)))
+         (if attrs
+             (put-text-property start (match-beginning 0)
+                                'riece-ctlseq-attributes (copy-sequence attrs)
+                                (riece-message-text message)))
+         (setq start (match-end 0)
+               attrs (riece-ctlseq-update-attributes
+                      (match-string 0 (riece-message-text message)) attrs)))
+       (if (and (< start end) attrs)
+           (put-text-property start end
+                              'riece-overlay-face
+                              (riece-ctlseq-face-from-cache attrs)
+                              (riece-message-text message)))))
   message)
 
 (defun riece-ctlseq-requires ()
@@ -181,6 +187,12 @@
 (defun riece-ctlseq-insinuate ()
   (add-hook 'riece-message-filter-functions 'riece-ctlseq-message-filter))
 
+(defun riece-ctlseq-enable ()
+  (setq riece-ctlseq-enabled t))
+
+(defun riece-ctlseq-disable ()
+  (setq riece-ctlseq-enabled nil))
+
 (provide 'riece-ctlseq)
 
 ;;; riece-ctlseq.el ends here