+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass gobject (ginstance)
+ ()
+ (:metaclass gobject-class)
+ (:alien-name "GObject")))
+
+
+(defun initial-add (object function initargs key pkey)
+ (loop
+ as (initarg value . rest) = initargs then rest
+ do (cond
+ ((eq initarg key) (funcall function object value))
+ ((eq initarg pkey) (mapc #'(lambda (value)
+ (funcall function object value))
+ value)))
+ while rest))
+
+(defun initial-apply-add (object function initargs key pkey)
+ (initial-add object #'(lambda (object value)
+ (apply function object (mklist value)))
+ initargs key pkey))
+
+
+(defmethod initialize-instance ((object gobject) &rest initargs)
+ (unless (slot-boundp object 'location)
+ ;; Extract initargs which we should pass directly to the GObeject
+ ;; constructor
+ (let* ((slotds (class-slots (class-of object)))
+ (args (when initargs
+ (loop
+ as (key value . rest) = initargs then rest
+ 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))
+ while rest))))
+ (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))))))
+
+ (apply #'call-next-method object initargs))
+
+
+(defmethod instance-finalizer ((instance gobject))
+ (let ((location (proxy-location instance)))
+ #'(lambda ()
+ (remove-cached-instance location)
+ (%object-unref location))))
+
+
+(defbinding (%gobject-new "g_object_new") () pointer
+ (type type-number)
+ (nil null))
+
+(defbinding (%gobject-newv "g_object_newv") () pointer
+ (type type-number)
+ (n-parameters unsigned-int)
+ (params pointer))
+
+
+
+;;;; Property stuff
+
+(defbinding %object-set-property () nil
+ (object gobject)
+ (name string)
+ (value gvalue))
+
+(defbinding %object-get-property () nil
+ (object gobject)
+ (name string)
+ (value gvalue))
+
+(defbinding %object-notify () nil
+ (object gobject)
+ (name string))
+
+(defbinding object-freeze-notify () nil
+ (object gobject))
+
+(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))
+
+(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))
+ (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))))
~mdw / clg / blobdiff