Initial checkin

[clg] / glib / gparam.lisp

diff --git a/glib/gparam.lisp b/glib/gparam.lisp
index 9e52cb45aa40a940a01120425b5a275b149214a6..10bdc7e7f83397ba914b740c354c014bcb103543 100644 (file)
--- a/glib/gparam.lisp
+++ b/glib/gparam.lisp
@@ -15,30 +15,39 @@
 ;; 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: gparam.lisp,v 1.5 2001-12-12 20:24:41 espen Exp $
+;; $Id: gparam.lisp,v 1.8 2004-10-28 09:33:56 espen Exp $
 
 (in-package "GLIB")
 
 (deftype gvalue () 'pointer)
 
-(defconstant +gvalue-size+ (+ (size-of 'type-number) (* 4 (size-of 'double-float))))
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (defbinding (size-of-gvalue "size_of_gvalue") () unsigned-int))
+
+(defconstant +gvalue-size+ (+ (size-of 'type-number) (* 2 (size-of 'double-float))))
+(defconstant +gvalue-size+ #.(size-of-gvalue))
+
 (defconstant +gvalue-value-offset+ (size-of 'type-number))
 
 (defbinding (gvalue-init "g_value_init") () nil
+  (value gvalue)
   (type type-number))
 
-(defun gvalue-new (type)
+(defbinding (gvalue-unset "g_value_unset") () nil
+  (value gvalue))
+
+
+(defun gvalue-new (type &optional (value nil value-p))
   (let ((gvalue (allocate-memory +gvalue-size+)))
-    (setf (system:sap-ref-32 gvalue 0) type)
-;    (gvalue-init (type-number-of type))
+    (gvalue-init gvalue (find-type-number type))
+    (when value-p
+      (gvalue-set gvalue value))
     gvalue))
 
-(defun gvalue-free (gvalue free-content)
+(defun gvalue-free (gvalue &optional unset-p)
   (unless (null-pointer-p gvalue)
-    (when free-content
-      (funcall
-       (intern-destroy-function (gvalue-type gvalue))
-       gvalue +gvalue-value-offset+))
+    (when unset-p
+      (gvalue-unset gvalue))
     (deallocate-memory gvalue)))
 
 (defun gvalue-type (gvalue)
@@ -56,6 +65,11 @@ (defun gvalue-set (gvalue value)
   value)
 
 
+(deftype-method unreference-alien gvalue (type-spec location)
+  `(gvalue-free ,location nil))
+
+
+
 (deftype param-flag-type ()
   '(flags
     (:readable 1)
@@ -65,7 +79,8 @@ (deftype param-flag-type ()
     (:lax-validation 16)
     (:private 32)))
 
-(eval-when (:compile-toplevel :load-toplevel :execute)
+;(eval-when (:compile-toplevel :load-toplevel :execute)
+;; TODO: rename to param-spec
   (defclass param (ginstance)
     ((name
       :allocation :alien
@@ -95,7 +110,7 @@   (defclass param (ginstance)
       :type string))
     (:metaclass ginstance-class)
     (:ref "g_param_spec_ref")
-    (:unref "g_param_spec_unref")))
+    (:unref "g_param_spec_unref"));)
 
 
 (defclass param-char (param)
@@ -303,6 +318,3 @@ (defclass param-value-array (param)
 (defclass param-object (param)
   ()
   (:metaclass ginstance-class))
-
-
-