;; 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 1.15 2004/10/31 00:56:29 espen Exp $
+;; $Id: gobject.lisp,v 1.17 2004/11/06 21:39:58 espen Exp $
(in-package "GLIB")
(defclass gobject (ginstance)
()
(:metaclass ginstance-class)
- (:alien-name "GObject")
- (:copy %object-ref)
- (:free %object-unref)))
+ (:alien-name "GObject")))
+
+(defmethod print-object ((instance gobject) stream)
+ (print-unreadable-object (instance stream :type t :identity nil)
+ (if (slot-boundp instance 'location)
+ (format stream "at 0x~X" (sap-int (proxy-location instance)))
+ (write-string "(destroyed)" stream))))
(defmethod initialize-instance ((object gobject) &rest initargs)
- (let ((slotds (class-slots (class-of object)))
- (names (make-array 0 :adjustable t :fill-pointer t))
- (values (make-array 0 :adjustable t :fill-pointer t)))
-
- (loop
- as tmp = initargs then (cddr tmp) while tmp
- as key = (first tmp)
- as value = (second tmp)
- as slotd = (find-if
- #'(lambda (slotd)
- (member key (slot-definition-initargs slotd)))
- slotds)
- when (and (typep slotd 'effective-property-slot-definition)
- (slot-value slotd 'construct))
- do (let ((type (find-type-number (slot-definition-type slotd))))
- (vector-push-extend (slot-definition-pname slotd) names)
- (vector-push-extend (gvalue-new type value) values)
- (remf initargs key)))
-
- (setf
- (slot-value object 'location)
- (if (zerop (length names))
- (%gobject-new (type-number-of object))
- (%gobject-newvv (type-number-of object) (length names) names values)))
-
-; (map 'nil #'gvalue-free values)
- )
+ ;; Extract initargs which we should pass directly to the GObeject
+ ;; constructor
+ (let* ((slotds (class-slots (class-of object)))
+ (args (loop
+ as tmp = initargs then (cddr tmp) while tmp
+ as key = (first tmp)
+ as value = (second tmp)
+ as slotd = (find-if
+ #'(lambda (slotd)
+ (member key (slot-definition-initargs slotd)))
+ slotds)
+ when (and (typep slotd 'effective-property-slot-definition)
+ (slot-value slotd 'construct))
+ collect (progn
+ (remf initargs key)
+ (list
+ (slot-definition-pname slotd)
+ (slot-definition-type slotd)
+ value)))))
+ (if args
+ (let* ((string-size (size-of 'string))
+ (string-writer (writer-function 'string))
+ (string-destroy (destroy-function 'string))
+ (params (allocate-memory
+ (* (length args) (+ string-size +gvalue-size+)))))
+ (loop
+ for (pname type value) in args
+ as tmp = params then (sap+ tmp (+ string-size +gvalue-size+))
+ do (funcall string-writer pname tmp)
+ (gvalue-init (sap+ tmp string-size) type value))
+ (unwind-protect
+ (setf
+ (slot-value object 'location)
+ (%gobject-newv (type-number-of object) (length args) params))
+ (loop
+ repeat (length args)
+ as tmp = params then (sap+ tmp (+ string-size +gvalue-size+))
+ do (funcall string-destroy tmp)
+ (gvalue-unset (sap+ tmp string-size)))
+ (deallocate-memory params)))
+ (setf
+ (slot-value object 'location)
+ (%gobject-new (type-number-of object)))))
+ (%object-weak-ref object)
(apply #'call-next-method object initargs))
+(defmethod initialize-instance :around ((object gobject) &rest initargs)
+ (declare (ignore initargs))
+ (call-next-method)
+ (%object-weak-ref object))
+
+
+(def-callback weak-notify (c-call:void (data c-call:int) (location system-area-pointer))
+ (let ((object (find-cached-instance location)))
+ (when object
+;; (warn "~A being finalized by the GObject system while still in existence in lisp" object)
+ (slot-makunbound object 'location)
+ (remove-cached-instance location))))
+
+(defbinding %object-weak-ref (object) nil
+ (object gobject)
+ ((callback weak-notify) pointer)
+ (0 unsigned-int))
(defbinding (%gobject-new "g_object_new") () pointer
(type type-number)
(nil null))
-(defbinding (%gobject-newvv "g_object_newvv") () pointer
+(defbinding (%gobject-newv "g_object_newv") () pointer
(type type-number)
(n-parameters unsigned-int)
- (names (vector string))
- (values (vector gvalue)))
-
-
-(defbinding %object-ref (type location) pointer
- (location pointer))
-
- (defbinding %object-unref (type location) nil
- (location pointer))
-
-(defun object-ref (object)
- (%object-ref nil (proxy-location object)))
-
-(defun object-unref (object)
- (%object-unref nil (proxy-location object)))
+ (params pointer))
(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*)
+ (register-user-data data) (callback %destroy-user-data))
data)
(defbinding %object-get-qdata () unsigned-long
;;;; Metaclass used for subclasses of gobject
-(eval-when (:compile-toplevel :load-toplevel :execute)
+;(eval-when (:compile-toplevel :load-toplevel :execute)
(defclass gobject-class (ginstance-class)
())
((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)));)
+(defbinding %object-ref () pointer
+ (location pointer))
+
+(defbinding %object-unref () nil
+ (location pointer))
+
+(defmethod reference-foreign ((class gobject-class) location)
+ (declare (ignore class))
+ (%object-ref location))
+
+(defmethod unreference-foreign ((class gobject-class) location)
+ (declare (ignore class))
+ (%object-unref location))
; (defbinding object-class-install-param () nil
(setf
(slot-value slotd 'reader-function)
(if (slot-readable-p slotd)
- #'(lambda (object)
- (with-gc-disabled
- (let ((gvalue (gvalue-new type-number)))
- (%object-get-property object pname gvalue)
- (unwind-protect
- (funcall
- (intern-reader-function (type-from-number type-number)) gvalue +gvalue-value-offset+) ; temporary workaround for wrong topological sorting of types
- (gvalue-free gvalue t)))))
+ (let () ;(reader (reader-function (type-from-number type-number))))
+ #'(lambda (object)
+ (let ((gvalue (gvalue-new type-number)))
+ (%object-get-property object pname gvalue)
+ (unwind-protect
+ (funcall #|reader|# (reader-function (type-from-number type-number)) gvalue +gvalue-value-offset+)
+ (gvalue-free gvalue t)))))
#'(lambda (value object)
(error "Slot is not readable: ~A" (slot-definition-name slotd))))))
(setf
(slot-value slotd 'writer-function)
(if (slot-writable-p slotd)
- #'(lambda (value object)
- (with-gc-disabled
- (let ((gvalue (gvalue-new type-number)))
- (funcall
- (intern-writer-function (type-from-number type-number)) ; temporary
- value gvalue +gvalue-value-offset+)
- (%object-set-property object pname gvalue)
- (funcall
- (intern-destroy-function (type-from-number type-number)) ; temporary
- gvalue +gvalue-value-offset+)
- (gvalue-free gvalue nil)
- value)))
+ (let ();; (writer (writer-function (type-from-number type-number)))
+;; (destroy (destroy-function (type-from-number type-number))))
+ #'(lambda (value object)
+ (let ((gvalue (gvalue-new type-number)))
+ (funcall #|writer|# (writer-function (type-from-number type-number)) value gvalue +gvalue-value-offset+)
+ (%object-set-property object pname gvalue)
+; (funcall #|destroy|#(destroy-function (type-from-number type-number)) gvalue +gvalue-value-offset+)
+ (gvalue-free gvalue t)
+ value)))
#'(lambda (value object)
(error "Slot is not writable: ~A" (slot-definition-name slotd))))))
(defun %map-params (params length type inherited-p)
(if inherited-p
- (map-c-array 'list #'identity params 'param length)
+ (map-c-vector 'list #'identity params 'param length)
(let ((properties ()))
- (map-c-array 'list
+ (map-c-vector 'list
#'(lambda (param)
(when (eql (param-owner-type param) type)
(push param properties)))
~mdw / clg / blobdiff