(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
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-ctlseq-attributes (copy-sequence 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-scan-region (start end)
- (riece-scan-property-region
- 'riece-ctlseq-attributes
- start end
- (lambda (start end)
- (riece-overlay-put (riece-make-overlay start end)
- 'face
- (riece-ctlseq-face-from-cache
- (get-text-property start
- 'riece-ctlseq-attributes))))))
+(defun riece-ctlseq-requires ()
+ '(riece-highlight))
(defun riece-ctlseq-insinuate ()
- (add-hook 'riece-message-filter-functions 'riece-ctlseq-message-filter)
- (add-hook 'riece-after-insert-functions 'riece-ctlseq-scan-region))
+ (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)