X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/573b21cca20711ae540d40f9d38051072147a7e7..d27b329734f780ce3624f26e36ea1f09862aeb70:/glib/ginterface.lisp

diff --git a/glib/ginterface.lisp b/glib/ginterface.lisp
index ca61631..47fc9a3 100644
--- a/glib/ginterface.lisp
+++ b/glib/ginterface.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: ginterface.lisp,v 1.1 2002-01-20 14:05:27 espen Exp $
+;; $Id: ginterface.lisp,v 1.3 2004-10-31 00:56:29 espen Exp $
 
 (in-package "GLIB")
 
@@ -23,7 +23,8 @@
 
 ;;;; 
 
-(defclass ginterface ())
+(defclass ginterface ()
+  ())
 
 (deftype-method translate-type-spec ginterface (type-spec)
   (declare (ignore type-spec))
@@ -48,7 +49,29 @@
 ;;;; Metaclass for interfaces
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
-  (defclass ginterface-class (pcl::standard-class)))
+  (defclass ginterface-class (virtual-slot-class)
+    ()))
+
+(defmethod direct-slot-definition-class ((class ginterface-class) &rest initargs)
+  (case (getf initargs :allocation)
+    (:property (find-class 'direct-property-slot-definition))
+    (t (call-next-method))))
+
+(defmethod effective-slot-definition-class ((class ginterface-class) &rest initargs)
+  (case (getf initargs :allocation)
+    (:property (find-class 'effective-property-slot-definition))
+    (t (call-next-method))))
+
+(defmethod compute-effective-slot-definition-initargs ((class ginterface-class) direct-slotds)
+  (if (eq (most-specific-slot-value direct-slotds 'allocation) :property)
+      (nconc 
+       (list :pname (signal-name-to-string 
+		     (most-specific-slot-value direct-slotds 'pname))
+	     :readable (most-specific-slot-value direct-slotds 'readable)
+	     :writable (most-specific-slot-value direct-slotds 'writable)
+	     :construct (most-specific-slot-value direct-slotds 'construct))
+       (call-next-method))
+    (call-next-method)))
 
 
 (defmethod shared-initialize ((class ginterface-class) names
@@ -69,12 +92,41 @@
 
 ;;;;
 
-(defun expand-ginterface-type (type-number &rest args)
+
+(defbinding type-default-interface-ref (type) pointer
+  ((find-type-number type t) type-number))
+
+(defbinding type-default-interface-unref (type) nil
+  ((find-type-number type t) type-number))
+
+(defbinding type-default-interface-peek (type) pointer
+  ((find-type-number type t) type-number))
+
+(defbinding %object-interface-list-properties () pointer
+  (iface pointer)
+  (n-properties unsigned-int :out))
+
+(defun query-object-interface-properties (type &optional inherited-p)
+  (let* ((type-number (find-type-number type))
+	 (iface (type-default-interface-ref type-number)))
+    (unwind-protect
+	 (multiple-value-bind (array length)
+	     (%object-interface-list-properties iface)
+	   (unwind-protect
+		(%map-params array length type-number inherited-p)
+	     (deallocate-memory array)))
+;      (type-default-interface-unref type-number)
+      )))
+
+
+(defun expand-ginterface-type (type options &rest args)
   (declare (ignore args))
-  `(defclass ,(type-from-number type-number) (ginterface)
-     ()
-     (:metaclass ginterface-class)
-     (:alien-name ,(find-type-name type-number))))
+  (let ((class (type-from-number type))
+	(slots (getf options :slots)))    
+    `(defclass ,class (,(supertype type))
+      ,(slot-definitions class (query-object-interface-properties type) slots)
+      (:metaclass ginterface-class)
+      (:alien-name ,(find-type-name type)))))
 
 
 (register-derivable-type 'ginterface "GInterface" 'expand-ginterface-type)