-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000-2005 Espen S. Johnsen <espen@users.sf.net>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net>
;;
-;; This library is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU Lesser General Public
-;; License as published by the Free Software Foundation; either
-;; version 2 of the License, or (at your option) any later version.
+;; Permission is hereby granted, free of charge, to any person obtaining
+;; a copy of this software and associated documentation files (the
+;; "Software"), to deal in the Software without restriction, including
+;; without limitation the rights to use, copy, modify, merge, publish,
+;; distribute, sublicense, and/or sell copies of the Software, and to
+;; permit persons to whom the Software is furnished to do so, subject to
+;; the following conditions:
;;
-;; This library is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;; Lesser General Public License for more details.
+;; The above copyright notice and this permission notice shall be
+;; included in all copies or substantial portions of the Software.
;;
-;; You should have received a copy 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
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-;; $Id: gobject.lisp,v 1.34 2005-03-06 17:26:23 espen Exp $
+;; $Id: gobject.lisp,v 1.43 2006-02-05 15:38:57 espen Exp $
(in-package "GLIB")
(eval-when (:compile-toplevel :load-toplevel :execute)
(defclass gobject-class (ginstance-class)
- ())
+ ((instance-slots-p :initform nil
+ :documentation "Non NIL if the class has slots with instance allocation")))
(defmethod validate-superclass ((class gobject-class) (super standard-class))
; (subtypep (class-name super) 'gobject)
(defbinding %object-unref () nil
(location pointer))
+#+glib2.8
+(progn
+ (defcallback toggle-ref-callback (nil (data pointer) (location pointer) (last-ref-p boolean))
+ #+debug-ref-counting
+ (if last-ref-p
+ (format t "Object at 0x~8,'0X has no foreign references~%" (sap-int location))
+ (format t "Foreign reference added to object at 0x~8,'0X~%" (sap-int location)))
+ (if last-ref-p
+ (cache-instance (find-cached-instance location) t)
+ (cache-instance (find-cached-instance location) nil)))
+
+ (defbinding %object-add-toggle-ref () pointer
+ (location pointer)
+ ((callback toggle-ref-callback) pointer)
+ (nil null))
+
+ (defbinding %object-remove-toggle-ref () pointer
+ (location pointer)
+ ((callback toggle-ref-callback) pointer)
+ (nil null)))
+
(defmethod reference-foreign ((class gobject-class) location)
(declare (ignore class))
(%object-ref location))
(declare (ignore class))
(%object-unref location))
+#+debug-ref-counting
+(progn
+ (defcallback weak-ref-callback (nil (data pointer) (location pointer))
+ (format t "Object at 0x~8,'0X being finalized~%" (sap-int location)))
+
+ (defbinding %object-weak-ref () pointer
+ (location pointer)
+ ((callback weak-ref-callback) pointer)
+ (nil null)))
+
; (defbinding object-class-install-param () nil
; (class pointer)
(user-data-p object slot-name)))))
(call-next-method))
+(defmethod shared-initialize :after ((class gobject-class) names &rest initargs)
+ (declare (ignore initargs))
+ (when (some #'(lambda (slotd)
+ (and
+ (eq (slot-definition-allocation slotd) :instance)
+ (not (typep slotd 'effective-special-slot-definition))))
+ (class-slots class))
+ (setf (slot-value class 'instance-slots-p) t)))
+
+
;;;; Super class for all classes in the GObject type hierarchy
initargs key pkey))
+(defmethod make-proxy-instance ((class gobject-class) location &rest initargs)
+ (declare (ignore location initargs))
+ (if (slot-value class 'instance-slots-p)
+ (error "An object of class ~A has instance slots and should only be created with MAKE-INSTANCE" class)
+ (call-next-method)))
+
+(defmethod initialize-instance :around ((object gobject) &rest initargs)
+ (declare (ignore initargs))
+ (call-next-method)
+ #+debug-ref-counting(%object-weak-ref (foreign-location object))
+ #+glib2.8
+ (when (slot-value (class-of object) 'instance-slots-p)
+ (with-slots (location) object
+ (%object-add-toggle-ref location)
+ (%object-unref location))))
+
+
(defmethod initialize-instance ((object gobject) &rest initargs)
(unless (slot-boundp object 'location)
- ;; Extract initargs which we should pass directly to the GObeject
+ ;; Extract initargs which we should pass directly to the GObject
;; constructor
(let* ((slotds (class-slots (class-of object)))
(args (when initargs
(defmethod instance-finalizer ((instance gobject))
- (let ((location (proxy-location instance)))
+ (let ((location (foreign-location instance)))
+ #+glib2.8
+ (if (slot-value (class-of instance) 'instance-slots-p)
+ #'(lambda ()
+ #+debug-ref-counting
+ (format t "Finalizing proxy for 0x~8,'0X~%" (sap-int location))
+ (remove-cached-instance location)
+ (%object-remove-toggle-ref location))
+ #'(lambda ()
+ #+debug-ref-counting
+ (format t "Finalizing proxy for 0x~8,'0X~%" (sap-int location))
+ (remove-cached-instance location)
+ (%object-unref location)))
+ #-glib2.8
#'(lambda ()
(remove-cached-instance location)
- (%object-unref location))))
+ (%object-unref location))))
(defbinding (%gobject-new "g_object_new") () pointer
(nreverse properties))))
(defun query-object-class-properties (type &optional inherited-p)
- (let* ((type-number (find-type-number type))
+ (let* ((type-number (find-type-number type t))
(class (type-class-ref type-number)))
(unwind-protect
(multiple-value-bind (array length)
`(,slot-name
:allocation :property :pname ,name
- ,@(cond
- ((find :unbound args) (list :unbound (getf args :unbound))))
+ ,@(when (find :unbound args) (list :unbound (getf args :unbound)))
+ ,@(when (find :getter args) (list :getter (getf args :getter)))
+ ,@(when (find :setter args) (list :setter (getf args :setter)))
;; accessors
,@(cond
(class (type-from-number type))
(slots (getf options :slots)))
`(defclass ,class ,supers
- ,(unless forward-p
- (slot-definitions class (query-object-class-properties type) slots))
- (:metaclass ,metaclass)
- (:gtype ,(find-type-init-function type)))))
+ ,(unless forward-p
+ (slot-definitions class (query-object-class-properties type) slots))
+ (:metaclass ,metaclass)
+ (:gtype ,(register-type-as type)))))
(defun gobject-dependencies (type)
(delete-duplicates
(let ((instance (make-symbol "INSTANCE")))
`(let ((,instance ,(from-alien-form form type)))
(when ,instance
- (%object-unref (proxy-location ,instance)))
+ (%object-unref (foreign-location ,instance)))
,instance))
(error "~A is not a subclass of GOBJECT" type))))
~mdw / clg / blobdiff