;;; Code:
+(require 'riece-options)
+
(defvar riece-signal-slot-obarray
(make-vector 31 0))
(aref signal 1))
(defun riece-connect-signal (signal-name function &optional filter handback)
- "Add SLOT as a listener of a signal identified by SIGNAL-NAME."
+ "Add FUNCTION as a listener of a signal identified by SIGNAL-NAME."
(let ((symbol (intern (symbol-name signal-name) riece-signal-slot-obarray)))
(set symbol (cons (riece-make-slot function filter handback)
(if (boundp symbol)
(symbol-value symbol))))))
+(defun riece-disconnect-signal (signal-name function)
+ "Remove FUNCTION from the listener of the signal identified by SIGNAL-NAME."
+ (let* ((symbol (intern-soft (symbol-name signal-name)
+ riece-signal-slot-obarray))
+ (slots (symbol-value symbol)))
+ (while slots
+ (if (eq (riece-slot-function (car slots))
+ function)
+ (set symbol (delq (car slots) (symbol-value symbol))))
+ (setq slots (cdr slots)))))
+
+(defun riece-clear-signal-slots ()
+ "Remove all functions from listeners list."
+ (fillarray riece-signal-slot-obarray 0))
+
(defun riece-emit-signal (signal-name &rest args)
"Emit SIGNAL."
(let ((symbol (intern-soft (symbol-name signal-name)