Minor change to define-callback

[clg] / glib / gcallback.lisp

diff --git a/glib/gcallback.lisp b/glib/gcallback.lisp
index 6d1ea3815b163ffadca16a03fdbb8003d50e5a75..5fd9688cc426f310f38c6af77b99ca8f53115b98 100644 (file)
--- a/glib/gcallback.lisp
+++ b/glib/gcallback.lisp
@@ -20,7 +20,7 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: gcallback.lisp,v 1.43 2007/06/15 12:03:26 espen Exp $
+;; $Id: gcallback.lisp,v 1.47 2007/10/17 14:31:19 espen Exp $
 
 (in-package "GLIB")
 
@@ -36,6 +36,17 @@ (defun register-callback-function (function)
   (check-type function (or null symbol function))
   (register-user-data function))
 
+(deftype user-callback () '(or function symbol))
+
+(define-type-method alien-type ((type user-callback))
+  (declare (ignore type))
+  (alien-type 'pointer-data))
+
+(define-type-method to-alien-form ((type user-callback) func &optional copy-p)
+  (declare (ignore type copy-p))
+  `(register-callback-function ,func))
+
+
 ;; Callback marshaller for regular signal handlers
 (define-callback signal-handler-marshal nil
     ((gclosure gclosure) (return-value gvalue) (n-params unsigned-int) 
@@ -90,9 +101,9 @@ (defun invoke-signal-handler (callback-id return-type &rest args)
          (disconnect () :report "Disconnect and exit signal handler"
            (when (signal-handler-is-connected-p instance handler-id)
              (signal-handler-disconnect instance handler-id))
-           (values nil t))))
+           (values nil t)))
       (when (signal-handler-is-connected-p instance handler-id)
-       (signal-handler-unblock instance handler-id))))
+       (signal-handler-unblock instance handler-id)))))
 
 (defun invoke-callback (callback-id return-type &rest args)
   (restart-case (apply (find-user-data callback-id) args)
@@ -121,14 +132,14 @@ (defbinding source-remove () boolean
 (define-callback source-callback-marshal boolean ((callback-id unsigned-int))
   (invoke-source-callback callback-id))
 
-(defun invoke-source-callback (callback-id)
-  (restart-case (funcall (find-user-data callback-id))
+(defun invoke-source-callback (callback-id &rest args)
+  (restart-case (apply (find-user-data callback-id) args)
     (remove () :report "Exit and remove source callback"
       nil)
     (continue () :report "Return from source callback"
       t)
     (re-invoke nil :report "Re-invoke source callback"
-      (invoke-source-callback callback-id))))
+      (apply #'invoke-source-callback callback-id args))))
 
 
 (defbinding (timeout-add "g_timeout_add_full")
@@ -233,6 +244,8 @@ (defun describe-signal (signal-id &optional type)
 
 ;;;; Signal connecting and controlling
 
+(define-flags-type connect-flags :after :swapped)
+
 (defvar *overridden-signals* (make-hash-table :test 'equalp))
 
 (defbinding %signal-override-class-closure () nil
@@ -483,7 +496,7 @@ (defun create-signal-emit-function (signal-id)
           (params (allocate-memory (* n-params +gvalue-size+))))
       #'(lambda (detail object &rest args)
          (unless (= (length args) (1- n-params))
-           (error "Invalid number of arguments: ~A" (+ 2 (length args))))
+           (error "Invalid number of arguments in emmision of signal ~A: ~A" signal-id (length args)))
          (unwind-protect
              (loop
               for arg in (cons object args)