Added code for automatic type definitions

[clg] / glib / gobject.lisp

diff --git a/glib/gobject.lisp b/glib/gobject.lisp
index 9f560d2b97de17d85b78c8ae9f87f9b5fd1ed3d7..be77962556d33081d828eb285650dcf9b2eef0c7 100644 (file)
--- a/glib/gobject.lisp
+++ b/glib/gobject.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: gobject.lisp,v 1.6 2001-04-29 20:34:18 espen Exp $
+;; $Id: gobject.lisp,v 1.7 2001-05-11 16:08:08 espen Exp $
 
 (in-package "GLIB")
 
@@ -35,11 +35,12 @@ (defmethod initialize-instance ((object gobject) &rest initargs)
    (%gobject-new (type-number-of object)))
   (call-next-method))
 
-(defbinding ("g_object_new" %gobject-new) () gobject
+(defbinding (%gobject-new "g_object_new") () pointer
   (type type-number)
   (nil null))
 
 
+
 ;;;; Parameter stuff
 
 (defbinding %object-set-property () nil
@@ -92,7 +93,8 @@ (defun object-data (object key &key (test #'eq))
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (defclass gobject-class (ginstance-class))
 
-  (defclass direct-gobject-slot-definition (direct-virtual-slot-definition))
+  (defclass direct-gobject-slot-definition (direct-virtual-slot-definition)
+    ((param :reader slot-definition-param)))
 
   (defclass effective-gobject-slot-definition
     (effective-virtual-slot-definition)))
@@ -109,12 +111,12 @@   (defclass effective-gobject-slot-definition
 
 
 (defmethod initialize-instance :after ((slotd direct-gobject-slot-definition)
-                                      &rest initargs &key)
+                                      &rest initargs &key param)
   (declare (ignore initargs))
-  (unless (slot-boundp slotd 'location)
-    ;; Find parameter name from slot name
-    (with-slots (pcl::name location) slotd
-      (setf location (signal-name-to-string pcl::name)))))
+  (when param
+    (setf
+     (slot-value slotd 'param)
+     (signal-name-to-string (slot-definition-name slotd)))))
 
 (defmethod direct-slot-definition-class ((class gobject-class) initargs)
   (case (getf initargs :allocation)
@@ -126,14 +128,14 @@ (defmethod effective-slot-definition-class ((class gobject-class) initargs)
     (:param (find-class 'effective-gobject-slot-definition))
     (t (call-next-method))))
 
-(defmethod compute-virtual-slot-location
+(defmethod compute-virtual-slot-accessors
     ((class gobject-class) (slotd effective-gobject-slot-definition)
      direct-slotds)
   (with-slots (type) slotd
-    (let ((param-name (slot-definition-location (first direct-slotds)))
+    (let ((param-name (slot-definition-param (first direct-slotds)))
          (type-number (find-type-number type))
-         (reader (intern-reader-function type))
-         (writer (intern-writer-function type))
+         (getter (intern-reader-function type))
+         (setter (intern-writer-function type))
          (destroy (intern-destroy-function type)))
       (list
        #'(lambda (object)
@@ -141,19 +143,91 @@ (defmethod compute-virtual-slot-location
             (let ((gvalue (gvalue-new type-number)))
               (%object-get-property object param-name gvalue)
               (prog1
-                  (funcall reader gvalue +gvalue-value-offset+)
+                  (funcall getter gvalue +gvalue-value-offset+)
                 (gvalue-free gvalue t)))))
        #'(lambda (value object)
           (with-gc-disabled
             (let ((gvalue (gvalue-new type-number)))
-              (funcall writer value gvalue +gvalue-value-offset+)
+              (funcall setter value gvalue +gvalue-value-offset+)
               (%object-set-property object param-name gvalue)
               (funcall destroy gvalue +gvalue-value-offset+)
               (gvalue-free gvalue nil)
               value)))))))
 
-
 (defmethod validate-superclass ((class gobject-class)
                                (super pcl::standard-class))
   (subtypep (class-name super) 'gobject))
-    
\ No newline at end of file
+
+
+
+;;;;
+
+(defbinding %object-class-properties () pointer
+  (class pointer)
+  (n-properties unsigned-int :out))
+
+(defun query-object-class-properties (type)
+  (let ((class (type-class-ref type)))
+    (multiple-value-bind (array length)
+       (%object-class-properties class)
+      (map-c-array 'list #'identity array 'param length))))
+
+(defun query-object-class-dependencies (class)
+  (delete-duplicates
+   (reduce
+    #'nconc
+    (mapcar
+     #'(lambda (param)
+        ;; A gobject does not depend on it's supertypes due to forward
+        ;; referenced superclasses
+        (delete-if
+         #'(lambda (type)
+             (type-is-p class type))
+         (type-hierarchy (param-type param))))
+     (query-object-class-properties class)))))
+
+
+(defun default-slot-name (name)
+  (intern (substitute #\- #\_ (string-upcase (string-upcase name)))))
+
+(defun default-slot-accessor (class-name slot-name type)
+  (intern
+   (format
+    nil "~A-~A~A" class-name slot-name
+    (if (eq 'boolean type) "-p" ""))))
+
+(defun expand-gobject-type (type-number &optional slots)
+  (let* ((super (supertype type-number))
+        (class  (type-from-number type-number))
+        (expanded-slots
+         (mapcar
+          #'(lambda (param)
+              (with-slots (name flags type documentation) param
+                (let* ((slot-name (default-slot-name name))
+                       (slot-type (type-from-number type))
+                       (accessor
+                        (default-slot-accessor class slot-name slot-type)))
+                  `(,slot-name
+                    :allocation :param
+                    :param ,name
+                    ,@(when (member :writable flags)
+                        (list :writer `(setf ,accessor)))
+                    ,@(when (member :readable flags)
+                        (list :reader accessor))
+                    ,@(when (member :construct flags)
+                        (list :initarg (intern (string slot-name) "KEYWORD")))
+                    :type ,slot-type
+                    ,@(when documentation
+                        (list :documentation documentation))))))
+          (query-object-class-properties type-number))))
+
+    `(defclass ,class (,super)
+       ,expanded-slots
+       (:metaclass gobject-class)
+       (:alien-name ,(find-type-name type-number)))))
+    
+(register-derivable-type
+ 'gobject "GObject"
+ :query 'query-object-class-dependencies
+ :expand 'expand-gobject-type)
+