Added new a type definition

[clg] / glib / gobject.lisp

diff --git a/glib/gobject.lisp b/glib/gobject.lisp
index 4744d5a9bcb37560e9fc237b9e197f9f27f397fe..621c370354954f59297602436859555950e94140 100644 (file)
--- a/glib/gobject.lisp
+++ b/glib/gobject.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: gobject.lisp,v 1.28 2005/01/12 13:26:03 espen Exp $
+;; $Id: gobject.lisp,v 1.31 2005/02/03 23:09:04 espen Exp $
 
 (in-package "GLIB")
 
@@ -26,8 +26,7 @@ (eval-when (:compile-toplevel :load-toplevel :execute)
   (defclass gobject-class (ginstance-class)
     ())
 
-  (defmethod validate-superclass ((class gobject-class)
-                               (super pcl::standard-class))
+  (defmethod validate-superclass ((class gobject-class) (super standard-class))
 ;  (subtypep (class-name super) 'gobject)
     t))
 
@@ -109,10 +108,8 @@ (defmethod initialize-internal-slot-functions ((slotd effective-property-slot-de
     (when (and (not (slot-boundp slotd 'getter)) (slot-readable-p slotd))
       (setf 
        (slot-value slotd 'getter)
-       (let ((reader nil))
+       (let ((reader (reader-function type)))
         #'(lambda (object)
-            (unless reader
-              (setq reader (reader-function type))) ;(type-from-number type-number))))
             (let ((gvalue (gvalue-new type-number)))
               (%object-get-property object pname gvalue)
               (unwind-protect
@@ -122,10 +119,8 @@ (defmethod initialize-internal-slot-functions ((slotd effective-property-slot-de
     (when (and (not (slot-boundp slotd 'setter)) (slot-writable-p slotd))
       (setf 
        (slot-value slotd 'setter)
-       (let ((writer nil))
+       (let ((writer (writer-function type)))
         #'(lambda (value object)
-            (unless writer
-              (setq writer (writer-function type))) ;(type-from-number type-number))))
             (let ((gvalue (gvalue-new type-number)))
               (funcall writer value gvalue +gvalue-value-offset+)
               (%object-set-property object pname gvalue)
@@ -268,22 +263,26 @@ (defbinding object-freeze-notify () nil
 (defbinding object-thaw-notify () nil
   (object gobject))
 
+
+;;;; User data
+
 (defbinding %object-set-qdata-full () nil
   (object gobject)
   (id quark)
   (data unsigned-long)
   (destroy-marshal pointer))
 
+(defcallback user-data-destroy-func (nil (id unsigned-int))
+  (destroy-user-data id))
 
-;;;; User data
+(export 'user-data-destroy-func)
 
 (defun (setf user-data) (data object key)
-  (%object-set-qdata-full
-   object (quark-from-object key)
-   (register-user-data data) (callback %destroy-user-data))
+  (%object-set-qdata-full object (quark-intern key)
+   (register-user-data data) (callback user-data-destroy-func))
   data)
 
-;; depecated
+;; deprecated
 (defun (setf object-data) (data object key &key (test #'eq))
   (assert (eq test #'eq))
   (setf (user-data object key) data))
@@ -293,15 +292,22 @@ (defbinding %object-get-qdata () unsigned-long
   (id quark))
 
 (defun user-data (object key)
-  (find-user-data (%object-get-qdata object (quark-from-object key))))
+  (find-user-data (%object-get-qdata object (quark-intern key))))
 
-;; depecated
+;; deprecated
 (defun object-data (object key &key (test #'eq))
   (assert (eq test #'eq))
   (user-data object key))
 
 (defun user-data-p (object key)
-  (nth-value 1 (find-user-data (%object-get-qdata object (quark-from-object key)))))
+  (user-data-exists-p (%object-get-qdata object (quark-intern key))))
+
+(defbinding %object-steal-qdata () unsigned-long
+  (object gobject)              
+  (id quark))
+
+(defun unset-user-data (object key)
+  (destroy-user-data (%object-steal-qdata object (quark-intern key))))
 
 
 ;;;;
@@ -348,7 +354,7 @@ (defun default-slot-accessor (class-name slot-name type)
 (defun slot-definition-from-property (class property &optional slot-name args)
   (with-slots (name flags value-type documentation) property
     (let* ((slot-name (or slot-name (default-slot-name name)))
-          (slot-type (or (getf args :type) (type-from-number value-type) value-type))
+          (slot-type (or (getf args :type) (type-from-number value-type) 'pointer))
           (accessor (default-slot-accessor class slot-name slot-type)))
       
       `(,slot-name
@@ -409,17 +415,21 @@ (defun slot-definitions (class properties slots)
   (delete-if #'(lambda (slot) (getf (rest slot) :ignore)) slots))
 
 
-(defun expand-gobject-type (type &optional options (metaclass 'gobject-class))
+(defun expand-gobject-type (type forward-p options &optional (metaclass 'gobject-class))
   (let ((supers (cons (supertype type) (implements type)))
        (class  (type-from-number type))
        (slots (getf options :slots)))    
     `(defclass ,class ,supers
-      ,(slot-definitions class (query-object-class-properties type) slots)
+       ,(unless forward-p
+         (slot-definitions class (query-object-class-properties type) slots))
       (:metaclass ,metaclass)
       (:alien-name ,(find-type-name type)))))
 
+(defun gobject-dependencies (type)
+  (delete-duplicates (mapcar #'param-value-type (query-object-class-properties type))))
+
 
-(register-derivable-type 'gobject "GObject" 'expand-gobject-type)
+(register-derivable-type 'gobject "GObject" 'expand-gobject-type 'gobject-dependencies)
 
 
 ;;; Pseudo type for gobject instances which have their reference count