Proxies may now have "weak" references to the foreign object

[clg] / glib / gtype.lisp

diff --git a/glib/gtype.lisp b/glib/gtype.lisp
index 221614f68ee4dd4b4a0110ae72d7a82b21c15822..41e6da0f5c4c4cc1221007b040a0b98cb46fbf4e 100644 (file)
--- a/glib/gtype.lisp
+++ b/glib/gtype.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: gtype.lisp,v 1.39 2006/02/05 15:38:57 espen Exp $
+;; $Id: gtype.lisp,v 1.40 2006/02/06 11:52:24 espen Exp $
 
 (in-package "GLIB")
 
@@ -302,7 +302,6 @@              (default-alien-type-name class-name)))
       (warn "~A is the super type for ~A in the gobject type system."
        (supertype type-number) class-name))))
 
-
 (defmethod validate-superclass ((class ginstance-class) (super standard-class))
   (subtypep (class-name super) 'ginstance))
 
@@ -344,6 +343,10 @@ (defmethod make-proxy-instance ((class ginstance-class) location &rest initargs)
   ;; and therefor ignore the weak-p argument.
   (call-next-method class location :weak nil))
 
+(defmethod invalidate-instance ((instance ginstance))
+  (declare (ignore instance))
+  ;; A ginstance should never be invalidated since it is ref counted
+  nil)
 
 (defmethod copy-from-alien-form (location (class ginstance-class) &rest args)
   (declare (ignore location class args))