Added UNSET-USER-DATA

[clg] / glib / gobject.lisp

diff --git a/glib/gobject.lisp b/glib/gobject.lisp
index 7eb4b41..b07a620 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 1.25 2004-12-28 20:29:05 espen Exp $
+;; $Id: gobject.lisp,v 1.29 2005-01-30 14:30:30 espen Exp $
 
 (in-package "GLIB")
 
@@ -41,7 +41,14 @@
   ((pname :reader slot-definition-pname :initarg :pname)
    (readable :reader slot-readable-p :initarg :readable)
    (writable :reader slot-writable-p :initarg :writable)
-   (construct :initarg :construct)));)
+   (construct :initarg :construct)))
+
+(defclass direct-user-data-slot-definition (direct-virtual-slot-definition)
+  ())
+
+(defclass effective-user-data-slot-definition (effective-virtual-slot-definition)
+  ())
+
 
 (defbinding %object-ref () pointer
   (location pointer))
@@ -74,11 +81,13 @@
 (defmethod direct-slot-definition-class ((class gobject-class) &rest initargs)
   (case (getf initargs :allocation)
     (:property (find-class 'direct-property-slot-definition))
+    (:user-data (find-class 'direct-user-data-slot-definition))
     (t (call-next-method))))
 
 (defmethod effective-slot-definition-class ((class gobject-class) &rest initargs)
   (case (getf initargs :allocation)
     (:property (find-class 'effective-property-slot-definition))
+    (:user-data (find-class 'effective-user-data-slot-definition))
     (t (call-next-method))))
 
 (defmethod compute-effective-slot-definition-initargs ((class gobject-class) direct-slotds)
@@ -125,6 +134,25 @@
 
   (call-next-method))
 
+(defmethod initialize-internal-slot-functions ((slotd effective-user-data-slot-definition))
+  (let ((slot-name (slot-definition-name slotd)))
+    (unless (slot-boundp slotd 'getter)
+      (setf 
+       (slot-value slotd 'getter)
+       #'(lambda (object)
+          (prog1 (user-data object slot-name)))))
+    (unless (slot-boundp slotd 'setter)
+      (setf 
+       (slot-value slotd 'setter)
+       #'(lambda (value object)
+          (setf (user-data object slot-name) value))))
+    (unless (slot-boundp slotd 'boundp)
+      (setf 
+       (slot-value slotd 'boundp)
+       #'(lambda (object)
+          (user-data-p object slot-name)))))
+  (call-next-method))
+
 
 ;;;; Super class for all classes in the GObject type hierarchy
 
@@ -240,28 +268,46 @@
 (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))
 
-
-;;;; User data
-
-(defun (setf object-data) (data object key &key (test #'eq))
-  (%object-set-qdata-full
-   object (quark-from-object key :test test)
+(defun (setf user-data) (data object key)
+  (%object-set-qdata-full object (quark-intern key)
    (register-user-data data) (callback %destroy-user-data))
   data)
 
+;; deprecated
+(defun (setf object-data) (data object key &key (test #'eq))
+  (assert (eq test #'eq))
+  (setf (user-data object key) data))
+
 (defbinding %object-get-qdata () unsigned-long
   (object gobject)              
   (id quark))
 
+(defun user-data (object key)
+  (find-user-data (%object-get-qdata object (quark-intern key))))
+
+;; deprecated
 (defun object-data (object key &key (test #'eq))
-  (find-user-data
-   (%object-get-qdata object (quark-from-object key :test test))))
+  (assert (eq test #'eq))
+  (user-data object key))
+
+(defun user-data-p (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))))
 
 
 ;;;;
@@ -305,9 +351,9 @@
     (if (eq type 'boolean) "-P" ""))))
 
 
-(defun slot-definition-from-property (class property &optional args)
+(defun slot-definition-from-property (class property &optional slot-name args)
   (with-slots (name flags value-type documentation) property
-    (let* ((slot-name (default-slot-name name))
+    (let* ((slot-name (or slot-name (default-slot-name name)))
           (slot-type (or (getf args :type) (type-from-number value-type) value-type))
           (accessor (default-slot-accessor class slot-name slot-type)))
       
@@ -343,6 +389,8 @@
                    (member :construct-only flags)
                    (member :writable flags))
            (list :initarg (intern (string slot-name) "KEYWORD")))
+       ,@(cond
+          ((find :initarg args) (list :initarg (getf args :initarg))))
        
        :type ,slot-type
        :documentation ,documentation))))
@@ -363,7 +411,7 @@
        ((getf (rest slot) :merge)
        (setf 
         (rest slot) 
-        (rest (slot-definition-from-property class property (rest slot)))))))
+        (rest (slot-definition-from-property class property (first slot) (rest slot)))))))
   (delete-if #'(lambda (slot) (getf (rest slot) :ignore)) slots))