;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000 Espen S. Johnsen <espejohn@online.no>
+;; Copyright (C) 2000-2001 Espen S. Johnsen <esj@stud.cs.uit.no>
;;
;; This library is free software; you can redistribute it and/or
;; modify it under the terms of the GNU Lesser General Public
;; 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 1.1 2000-08-14 16:44:30 espen Exp $
+;; $Id: gobject.lisp,v 1.6 2001-04-29 20:34:18 espen Exp $
(in-package "GLIB")
(eval-when (:compile-toplevel :load-toplevel :execute)
- (defclass gobject (gtype)
+ (defclass gobject (ginstance)
()
- (:metaclass gtype-class)
- (:alien-name "GObject"))
+ (:metaclass ginstance-class)
+ (:alien-name "GObject")
+ (:ref "g_object_ref")
+ (:unref "g_object_unref")))
+
+(defmethod initialize-instance ((object gobject) &rest initargs)
+ (declare (ignore initargs))
+ (setf
+ (slot-value object 'location)
+ (%gobject-new (type-number-of object)))
+ (call-next-method))
- (defclass gobject-class (gtype-class)))
+(defbinding ("g_object_new" %gobject-new) () gobject
+ (type type-number)
+ (nil null))
-;;;; Methods for gobject
+;;;; Parameter stuff
-;; Specializing reference-instance and unreference-instance on gobject
-;; is not really necessary but done for efficiency
+(defbinding %object-set-property () nil
+ (object gobject)
+ (name string)
+ (value gvalue))
-(defmethod reference-instance ((object gobject))
- (%object-ref object)
- object)
+(defbinding %object-get-property () nil
+ (object gobject)
+ (name string)
+ (value gvalue))
-(defmethod unreference-instance ((object gobject))
- (%object-unref object))
+(defbinding %object-notify () nil
+ (object gobject)
+ (name string))
-(deftype-method alien-ref gobject (type-spec)
- (declare (ignore type-spec))
- '%object-ref)
+(defbinding object-freeze-notify () nil
+ (object gobject))
-(deftype-method alien-unref gobject (type-spec)
- (declare (ignore type-spec))
- '%object-unref)
+(defbinding object-thaw-notify () nil
+ (object gobject))
-(define-foreign %object-ref () pointer
- (object (or gobject pointer)))
+(defbinding %object-set-qdata-full () nil
+ (object gobject)
+ (id quark)
+ (data unsigned-long)
+ (destroy-marshal pointer))
-(define-foreign %object-unref () nil
- (object (or gobject pointer)))
+;;;; User data
-;; Parameter stuff not yet implemented
+(defun (setf object-data) (data object key &key (test #'eq))
+ (%object-set-qdata-full
+ object (quark-from-object key :test test)
+ (register-user-data data) *destroy-notify*)
+ data)
-; (define-foreign object-set-param () nil
-; (object gobject)
-; (name string)
-; (value gvalue))
+(defbinding %object-get-qdata () unsigned-long
+ (object gobject)
+ (id quark))
+
+(defun object-data (object key &key (test #'eq))
+ (find-user-data
+ (%object-get-qdata object (quark-from-object key :test test))))
-; (define-foreign object-get-param () nil
-; (object gobject)
-; (name string)
-; (value gvalue :out))
-; (define-foreign object-queue-param-changed () nil
-; (object gobject)
-; (name string))
+;;;; Metaclass used for subclasses of gobject
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass gobject-class (ginstance-class))
-;;;; Methods for gobject-class
+ (defclass direct-gobject-slot-definition (direct-virtual-slot-definition))
-(defmethod shared-initialize ((class gobject-class) names &rest initargs
- &key type-init name)
- (declare (ignore initargs names))
- (let ((alien
- (alien::%heap-alien
- (alien::make-heap-alien-info
- :type (alien::parse-alien-type '(function (unsigned 32)))
- :sap-form (system:foreign-symbol-address
- (or
- (first type-init)
- (default-alien-func-name
- (format
- nil "~A_get_type" (or name (class-name class))))))))))
- (alien:alien-funcall alien))
- (call-next-method))
+ (defclass effective-gobject-slot-definition
+ (effective-virtual-slot-definition)))
-; (define-foreign object-class-install-param () nil
+; (defbinding object-class-install-param () nil
; (class pointer)
; (id unsigned-int)
; (parameter parameter))
-; (define-foreign object-class-find-param-spec () parameter
+; (defbinding object-class-find-param-spec () parameter
; (class pointer)
; (name string))
+
+(defmethod initialize-instance :after ((slotd direct-gobject-slot-definition)
+ &rest initargs &key)
+ (declare (ignore initargs))
+ (unless (slot-boundp slotd 'location)
+ ;; Find parameter name from slot name
+ (with-slots (pcl::name location) slotd
+ (setf location (signal-name-to-string pcl::name)))))
+
+(defmethod direct-slot-definition-class ((class gobject-class) initargs)
+ (case (getf initargs :allocation)
+ (:param (find-class 'direct-gobject-slot-definition))
+ (t (call-next-method))))
+
+(defmethod effective-slot-definition-class ((class gobject-class) initargs)
+ (case (getf initargs :allocation)
+ (:param (find-class 'effective-gobject-slot-definition))
+ (t (call-next-method))))
+
+(defmethod compute-virtual-slot-location
+ ((class gobject-class) (slotd effective-gobject-slot-definition)
+ direct-slotds)
+ (with-slots (type) slotd
+ (let ((param-name (slot-definition-location (first direct-slotds)))
+ (type-number (find-type-number type))
+ (reader (intern-reader-function type))
+ (writer (intern-writer-function type))
+ (destroy (intern-destroy-function type)))
+ (list
+ #'(lambda (object)
+ (with-gc-disabled
+ (let ((gvalue (gvalue-new type-number)))
+ (%object-get-property object param-name gvalue)
+ (prog1
+ (funcall reader gvalue +gvalue-value-offset+)
+ (gvalue-free gvalue t)))))
+ #'(lambda (value object)
+ (with-gc-disabled
+ (let ((gvalue (gvalue-new type-number)))
+ (funcall writer value gvalue +gvalue-value-offset+)
+ (%object-set-property object param-name gvalue)
+ (funcall destroy gvalue +gvalue-value-offset+)
+ (gvalue-free gvalue nil)
+ value)))))))
+
+
+(defmethod validate-superclass ((class gobject-class)
+ (super pcl::standard-class))
+ (subtypep (class-name super) 'gobject))
+
\ No newline at end of file
~mdw / clg / blobdiff