X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/e378b8612be1d39a9025fed0d0c15bc1f4fce286..4d83a8a641bfaeb0d858fbf37524f3d3b9b81a6e:/glib/gcallback.lisp

diff --git a/glib/gcallback.lisp b/glib/gcallback.lisp
index e55a784..d2a5d78 100644
--- a/glib/gcallback.lisp
+++ b/glib/gcallback.lisp
@@ -15,7 +15,7 @@
 ;; License along with this library; if not, write to the Free Software
 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-;; $Id: gcallback.lisp,v 1.6 2002-03-19 17:09:15 espen Exp $
+;; $Id: gcallback.lisp,v 1.9 2004-10-27 14:58:59 espen Exp $
 
 (in-package "GLIB")
 
@@ -54,7 +54,7 @@ (defun callback-trampoline (callback-id params return-value)
 		   (unwind-protect
 		       (let ((result (apply callback-function (reverse args))))
 			 (when return-type
-			   (gvalue-set (print return-value) result))))
+			   (gvalue-set return-value result))))
 		
 		 (continue nil :report "Return from callback function"
 		  (when return-type
@@ -105,9 +105,6 @@ (defbinding (idle-add "g_idle_add_full")
 
 ;;;; Signals
 
-(defun signal-name-to-string (name)
-  (substitute #\_ #\- (string-downcase (string name))))
-
 (defbinding signal-lookup (name itype) unsigned-int
   ((signal-name-to-string name) string)
   (itype type-number))
@@ -162,18 +159,18 @@ (defbinding signal-handler-disconnect () nil
   (handler unsigned-int))
 
 
-(defmethod signal-connect ((gobject gobject) signal function &rest args &key after object)
-  (declare (ignore signal args after))
-  (cond
-   ((or (eq object t) (eq object gobject)) function)
-   ((not object)
-    #'(lambda (&rest args) (apply function (cdr args))))
-   (t
-    #'(lambda (&rest args) (apply function object (rest args))))))
-
-
-(defmethod signal-connect :around ((gobject gobject) signal function
-				   &key after object)
-  (declare (ignore object))
-  (let ((callback-id (make-callback-closure (call-next-method))))
+(defmethod signal-connect ((gobject gobject) signal function &key after object)
+"Connects a callback function to a signal for a particular object. If :OBJECT 
+ is T, the object connected to is passed as the first argument to the callback 
+ function, or if :OBJECT is any other non NIL value, it is passed as the first 
+ argument instead. If :AFTER is non NIL, the handler will be called after the 
+ default handler of the signal."
+  (let ((callback-id
+	 (make-callback-closure
+	  (cond
+	   ((or (eq object t) (eq object gobject)) function)
+	   ((not object)
+	    #'(lambda (&rest args) (apply function (cdr args))))
+	   (t
+	    #'(lambda (&rest args) (apply function object (rest args))))))))
     (signal-connect-closure gobject signal callback-id :after after)))