X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/d168bafdb3b5b6614755bb431778e895122f2be5..637525325db34a2c4e4de288711d97bb84adffee:/glib/gtype.lisp

diff --git a/glib/gtype.lisp b/glib/gtype.lisp
index 70f9eeb..165c06e 100644
--- a/glib/gtype.lisp
+++ b/glib/gtype.lisp
@@ -15,7 +15,7 @@
 ;; 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: gtype.lisp,v 1.19 2004-11-07 01:21:04 espen Exp $
+;; $Id: gtype.lisp,v 1.23 2005-01-12 13:33:06 espen Exp $
 
 (in-package "GLIB")
 
@@ -27,6 +27,47 @@
 
 (deftype type-number () '(unsigned 32))
 
+(deftype gtype () 'symbol)
+
+(defmethod alien-type ((type (eql 'gtype)) &rest args)
+  (declare (ignore type args))
+  (alien-type 'type-number))
+
+(defmethod size-of ((type (eql 'gtype)) &rest args)
+  (declare (ignore type args))
+  (size-of 'type-number))
+
+(defmethod to-alien-form (gtype (type (eql 'gtype)) &rest args)
+  (declare (ignore type args))
+  `(find-type-number ,gtype t)) 
+
+(defmethod to-alien-function ((type (eql 'gtype)) &rest args)
+  (declare (ignore type args))
+  #'(lambda (gtype)
+      (find-type-number gtype t)))
+
+(defmethod from-alien-form (type-number (type (eql 'gtype)) &rest args)
+  (declare (ignore type args))
+  `(type-from-number ,type-number)) 
+
+(defmethod from-alien-function ((type (eql 'gtype)) &rest args)
+  (declare (ignore type args))
+  #'(lambda (type-number)
+      (type-from-number type-number)))
+
+(defmethod writer-function ((type (eql 'gtype)) &rest args)
+  (declare (ignore type))
+  (let ((writer (writer-function 'type-number)))
+    #'(lambda (gtype location &optional (offset 0))
+	(funcall writer (find-type-number gtype t) location offset))))
+
+(defmethod reader-function ((type (eql 'gtype)) &rest args)
+  (declare (ignore type))
+  (let ((reader (reader-function 'type-number)))
+    #'(lambda (location &optional (offset 0))
+	(type-from-number (funcall reader location offset)))))
+
+
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (defclass type-query (struct)
     ((type-number :allocation :alien :type type-number)
@@ -36,14 +77,9 @@
     (:metaclass struct-class)))
 
 
-(defbinding %type-query () nil
-  (type type-number)
-  (query type-query))
-
-(defun type-query (type)
-  (let ((query (make-instance 'type-query)))
-    (%type-query (find-type-number type t) query)
-    query))
+(defbinding type-query (type) nil
+  ((find-type-number type t) type-number)
+  ((make-instance 'type-query) type-query :return))
 
 (defun type-instance-size (type)
   (slot-value (type-query type) 'instance-size))
@@ -111,7 +147,7 @@
   (etypecase name
     (string (type-from-number (find-type-number name t)))))
 
-(defbinding (find-type-name "g_type_name") (type) string
+(defbinding (find-type-name "g_type_name") (type) (copy-of string)
   ((find-type-number type t) type-number))
 
 (defun type-number-of (object)
@@ -167,6 +203,19 @@
       ;; TODO: (make-instance 'ginstance ...)
       location)))
 
+(defmethod copy-from-alien-form (location (class ginstance-class) &rest args)
+  (declare (ignore location class args))
+  (error "Doing copy-from-alien on a ref. counted class is most certainly an error, but if it really is what you want you should use REFERENCE-FOREIGN on the returned instance instead."))
+
+(defmethod copy-from-alien-function ((class ginstance-class) &rest args)
+  (declare (ignore class args))  
+  (error "Doing copy-from-alien on a ref. counted class is most certainly an error, but if it really is what you want you should use REFERENCE-FOREIGN on the returned instance instead."))
+
+(defmethod reader-function ((class ginstance-class) &rest args)
+  (declare (ignore args))
+  #'(lambda (location &optional (offset 0))
+      (ensure-proxy-instance class (sap-ref-sap location offset))))
+
 
 ;;;; Metaclass for subclasses of ginstance
 
@@ -195,6 +244,7 @@
 
 ;;;; Registering fundamental types
 
+(register-type 'nil "void")
 (register-type 'pointer "gpointer")
 (register-type 'char "gchar")
 (register-type 'unsigned-char "guchar")
@@ -206,6 +256,7 @@
 (register-type 'unsigned-long "gulong")
 (register-type 'single-float "gfloat")
 (register-type 'double-float "gdouble")
+(register-type 'pathname "gchararray")
 (register-type 'string "gchararray")