export g-value-unset and g-value-zero

[cl-gtk2.git] / glib / gobject.foreign-gobject.lisp

diff --git a/glib/gobject.foreign-gobject.lisp b/glib/gobject.foreign-gobject.lisp
index a84c6b3..e1b13e3 100644 (file)
--- a/glib/gobject.foreign-gobject.lisp
+++ b/glib/gobject.foreign-gobject.lisp
@@ -13,6 +13,8 @@
 
 (defvar *foreign-gobjects* (make-weak-hash-table :test 'equal :weakness :value))
 (defvar *foreign-gobjects-ref-count* (make-hash-table :test 'equal))
+(defvar *lisp-objects-pointers* (make-hash-table :test 'equal))
+(defvar *current-creating-object* nil)
 
 (defcstruct g-object-struct
   (type-instance g-type-instance)
@@ -22,11 +24,15 @@
 (defun ref-count (pointer)
   (foreign-slot-value (if (pointerp pointer) pointer (pointer pointer)) 'g-object-struct 'ref-count))
 
+(defmethod initialize-instance :around ((obj g-object) &key)
+  (let ((*current-creating-object* obj))
+    (call-next-method)))
+
 (defmethod initialize-instance :after ((obj g-object) &key &allow-other-keys)
   (unless (slot-boundp obj 'pointer)
     (error "Pointer slot is not initialized for ~A" obj))
   (let* ((pointer (pointer obj))
-         (s (format nil obj)))
+         (s (format nil "~A" obj)))
     (finalize obj
               (lambda ()
                 (handler-case
@@ -69,6 +75,13 @@
   (declare (ignore data))
   (debugf "g-object has finalized ~A ~A~%" (g-type-name (g-type-from-object object-pointer)) object-pointer))
 
+(defun erase-pointer (data object-pointer)
+  (declare (ignore data))
+  (remhash (pointer-address object-pointer) *lisp-objects-pointers*))
+
+(defcallback weak-notify-erase-pointer :void ((data :pointer) (object-pointer :pointer))
+  (erase-pointer data object-pointer))
+
 (defun should-ref-sink-at-creation (object)
 ;;If object was not created from lisp-side, we should ref it
 ;;If an object is regular g-object, we should not ref-sink it
@@ -81,11 +94,12 @@
       t))
 
 (defun register-g-object (obj)
-  (debugf "registered GObject ~A with ref-count ~A ~A~%" (pointer obj) (ref-count obj) (if (g-object-is-floating (pointer obj)) "(floating)" ""))
+  (debugf "registered GObject ~A with gobject ref-count ~A ~A~%" (pointer obj) (ref-count obj) (if (g-object-is-floating (pointer obj)) "(floating)" ""))
   (when (should-ref-sink-at-creation obj)
     (debugf "g_object_ref_sink(~A)~%" (pointer obj))
     (g-object-ref-sink (pointer obj)))
   (g-object-weak-ref (pointer obj) (callback weak-notify-print) (null-pointer))
+  (g-object-weak-ref (pointer obj) (callback weak-notify-erase-pointer) (null-pointer))
   (setf (g-object-has-reference obj) t)
   (setf (gethash (pointer-address (pointer obj)) *foreign-gobjects*)
         obj)
@@ -93,7 +107,7 @@
 
 (defun g-object-dispose (pointer)
   (unless (gethash (pointer-address pointer) *foreign-gobjects-ref-count*)
-    (format t "GObject ~A is already disposed, signalling error~%" pointer)
+    (debugf "GObject ~A is already disposed, signalling error~%" pointer)
     (error "GObject ~A is already disposed" pointer))
   (debugf "g_object_unref(~A) (of type ~A, lisp-value ~A) (lisp ref-count ~A, gobject ref-count ~A)~%"
           pointer