X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~mdw/git/clg/blobdiff_plain/646466b05f81b2c3c791f5ff7ee33c3f61c2e42a..266ca870fe9634f59ea740e2a5ba62eb30adf5ca:/glib/gobject.lisp

diff --git a/glib/gobject.lisp b/glib/gobject.lisp
index c6bfe26..0014b4d 100644
--- 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 1.33 2005-02-27 15:14:38 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 +108,10 @@ (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 nil)) ;(reader-function type)))
 	 #'(lambda (object)
 	     (unless reader
-	       (setq reader (reader-function type))) ;(type-from-number type-number))))
+	       (setq reader (reader-function type)))
 	     (let ((gvalue (gvalue-new type-number)))
 	       (%object-get-property object pname gvalue)
 	       (unwind-protect
@@ -122,10 +121,10 @@ (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 nil)) ;(writer-function type)))
 	 #'(lambda (value object)
 	     (unless writer
-	       (setq writer (writer-function type))) ;(type-from-number type-number))))
+	       (setq writer (writer-function type)))
 	     (let ((gvalue (gvalue-new type-number)))
 	       (funcall writer value gvalue +gvalue-value-offset+)
 	       (%object-set-property object pname gvalue)
@@ -268,22 +267,26 @@ (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 +296,22 @@ (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))))
 
 
 ;;;;
@@ -328,9 +338,10 @@ (defun query-object-class-properties (type &optional inherited-p)
     (unwind-protect
 	 (multiple-value-bind (array length)
 	     (%object-class-list-properties class)
-	   (unwind-protect
-		(%map-params array length type-number inherited-p)
-	     (deallocate-memory array)))
+	   (unless (null-pointer-p array)
+	     (unwind-protect
+		 (%map-params array length type-number inherited-p)
+	       (deallocate-memory array))))
 ;      (type-class-unref type-number)
       )))
 
@@ -348,7 +359,7 @@ (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
@@ -379,12 +390,15 @@ (defun slot-definition-from-property (class property &optional slot-name args)
 	    '(:construct t))
 	
 	;; initargs
-	,@(when (or (member :construct flags)
-		    (member :construct-only flags)
-		    (member :writable flags))
-	    (list :initarg (intern (string slot-name) "KEYWORD")))
-	,@(cond
-	   ((find :initarg args) (list :initarg (getf args :initarg))))
+	,@(if (find :initarg args)
+	      (let ((initarg (getf args :initarg)))
+		(etypecase initarg
+		  (null ())
+		  (symbol `(:initarg ,initarg))))
+	    (when (or (member :construct flags)
+		      (member :construct-only flags)
+		      (member :writable flags))
+	      (list :initarg (intern (string slot-name) "KEYWORD"))))
 	
 	:type ,slot-type
 	:documentation ,documentation))))
@@ -409,17 +423,26 @@ (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 
+   (cons
+    (supertype type)
+    (append 
+     (type-interfaces type)
+     (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