X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/0d07716fe78436ae6c9c324cabdd401c25e336af..5c2628c5b414b0a85f0749d4bb7492ea1fc55576:/glib/gobject.lisp

diff --git a/glib/gobject.lisp b/glib/gobject.lisp
index 574fa1c..e4a8bd5 100644
--- a/glib/gobject.lisp
+++ b/glib/gobject.lisp
@@ -1,5 +1,5 @@
 ;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000 Espen S. Johnsen <espejohn@online.no>
+;; Copyright (C) 2000-2001 Espen S. Johnsen <esj@stud.cs.uit.no>
 ;;
 ;; This library is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU Lesser General Public
@@ -15,90 +15,334 @@
 ;; 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 1.1 2000/08/14 16:44:30 espen Exp $
+;; $Id: gobject.lisp,v 1.13 2004/10/27 14:58:59 espen Exp $
 
 (in-package "GLIB")
 
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
-  (defclass gobject (gtype)
+  (defclass gobject (ginstance)
     ()
-    (:metaclass gtype-class)
-    (:alien-name "GObject"))
+    (:metaclass ginstance-class)
+    (:alien-name "GObject")
+    (:copy %object-ref)
+    (:free %object-unref)))
 
-  (defclass gobject-class (gtype-class)))
 
+(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)))
 
-;;;; Methods for gobject
+    (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-gobject-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)))
 
-;; Specializing reference-instance and unreference-instance on gobject
-;; is not really necessary but done for efficiency
+    (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))))
+  (apply #'call-next-method object initargs))
 
-(defmethod reference-instance ((object gobject))
-  (%object-ref object)
-  object)
 
-(defmethod unreference-instance ((object gobject))
-  (%object-unref object))
 
-(deftype-method alien-ref gobject (type-spec)
-  (declare (ignore type-spec))
-  '%object-ref)
+(defbinding (%gobject-new "g_object_new") () pointer
+  (type type-number)
+  (nil null))
 
-(deftype-method alien-unref gobject (type-spec)
-  (declare (ignore type-spec))
-  '%object-unref)
+(defbinding (%gobject-newvv "g_object_newvv") () pointer
+  (type type-number)
+  (n-parameters unsigned-int)
+  (names (vector string))
+  (values (vector gvalue)))
 
-(define-foreign %object-ref () pointer
-  (object (or gobject pointer)))
 
-(define-foreign %object-unref () nil
-  (object (or gobject pointer)))
+(defbinding %object-ref (type location) pointer
+  (location pointer))
 
+ (defbinding %object-unref (type location) nil
+   (location pointer))
 
-;; Parameter stuff not yet implemented
+(defun object-ref (object)
+  (%object-ref nil (proxy-location object)))
 
-; (define-foreign object-set-param () nil
-;   (object gobject)
-;   (name string)
-;   (value gvalue))
+(defun object-unref (object)
+  (%object-unref nil (proxy-location object)))
 
-; (define-foreign object-get-param () nil
-;   (object gobject)
-;   (name string)
-;   (value gvalue :out))
 
-; (define-foreign object-queue-param-changed () nil
-;   (object gobject)
-;   (name string))
 
+;;;; Property stuff
 
+(defbinding %object-set-property () nil
+  (object gobject)
+  (name string)
+  (value gvalue))
 
-;;;; Methods for gobject-class
+(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))
+
+(defbinding %object-set-qdata-full () nil
+  (object gobject)
+  (id quark)
+  (data unsigned-long)
+  (destroy-marshal pointer))
+
+
+;;;; User data
+
+(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*)
+  data)
+
+(defbinding %object-get-qdata () unsigned-long
+  (object gobject)		 
+  (id quark))
+
+(defun object-data (object key &key (test #'eq))
+  (find-user-data
+   (%object-get-qdata object (quark-from-object key :test test))))
 
-(defmethod shared-initialize ((class gobject-class) names &rest initargs
-			      &key type-init name)
-  (declare (ignore initargs names))
-  (let ((alien
-	 (alien::%heap-alien
-	  (alien::make-heap-alien-info
-	   :type (alien::parse-alien-type '(function (unsigned 32)))
-	   :sap-form (system:foreign-symbol-address
-		      (or
-		       (first type-init)
-		       (default-alien-func-name
-			 (format
-			  nil "~A_get_type" (or name (class-name class))))))))))
-    (alien:alien-funcall alien))
-  (call-next-method))
 
 
-; (define-foreign object-class-install-param () nil
+;;;; Metaclass used for subclasses of gobject
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+  (defclass gobject-class (ginstance-class)
+    ())
+
+  (defclass direct-gobject-slot-definition (direct-virtual-slot-definition)
+    ((pname :reader slot-definition-pname :initarg :pname)
+     (readable :initform t :reader slot-readable-p :initarg :readable)
+     (writable :initform t :reader slot-writable-p :initarg :writable)
+     (construct :initform nil :initarg :construct)))
+
+  (defclass effective-gobject-slot-definition (effective-virtual-slot-definition)
+    ((pname :reader slot-definition-pname :initarg :pname)
+     (readable :reader slot-readable-p :initarg :readable)
+     (writable :reader slot-writable-p :initarg :writable)
+     (construct :initarg :construct))))
+
+
+
+; (defbinding object-class-install-param () nil
 ;   (class pointer)
 ;   (id unsigned-int)
 ;   (parameter parameter))
 
-; (define-foreign object-class-find-param-spec () parameter
+; (defbinding object-class-find-param-spec () parameter
 ;   (class pointer)
 ;   (name string))
 
+(defun signal-name-to-string (name)
+  (substitute #\_ #\- (string-downcase (string name))))
+
+
+(defmethod direct-slot-definition-class ((class gobject-class) &rest initargs)
+  (case (getf initargs :allocation)
+    (:property (find-class 'direct-gobject-slot-definition))
+    (t (call-next-method))))
+
+(defmethod effective-slot-definition-class ((class gobject-class) &rest initargs)
+  (case (getf initargs :allocation)
+    (:property (find-class 'effective-gobject-slot-definition))
+    (t (call-next-method))))
+
+(defmethod compute-effective-slot-definition-initargs ((class gobject-class) direct-slotds)
+  (if (eq (most-specific-slot-value direct-slotds 'allocation) :property)
+      (nconc 
+       (list :pname (signal-name-to-string 
+		     (most-specific-slot-value direct-slotds 'pname))
+	     :readable (most-specific-slot-value direct-slotds 'readable)
+	     :writable (most-specific-slot-value direct-slotds 'writable)
+	     :construct (most-specific-slot-value direct-slotds 'construct))
+       (call-next-method))
+    (call-next-method)))
+
+
+(defmethod initialize-internal-slot-functions ((slotd effective-gobject-slot-definition))
+  (let* ((type (slot-definition-type slotd))
+	 (pname (slot-definition-pname slotd))
+	 (type-number (find-type-number type)))
+    (unless (slot-boundp slotd 'reader-function)
+      (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)))))
+	   #'(lambda (value object)
+	       (error "Slot is not readable: ~A" (slot-definition-name slotd))))))
+    
+    (unless (slot-boundp slotd 'writer-function)
+      (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)))
+ 	   #'(lambda (value object)
+ 	       (error "Slot is not writable: ~A" (slot-definition-name slotd))))))
+    
+    (unless (slot-boundp slotd 'boundp-function)
+      (setf 
+       (slot-value slotd 'boundp-function)
+       #'(lambda (object)
+	   (declare (ignore object))
+	   t))))
+  (call-next-method))
+
+
+(defmethod validate-superclass ((class gobject-class)
+				(super pcl::standard-class))
+;  (subtypep (class-name super) 'gobject)
+  t)
+
+
+
+;;;;
+
+(defbinding %object-class-list-properties () pointer
+  (class pointer)
+  (n-properties unsigned-int :out))
+
+(defun query-object-class-properties (type-number &optional
+				      inherited-properties)
+  (let ((class (type-class-ref type-number)))
+    (multiple-value-bind (array length)
+	(%object-class-list-properties class)
+      (unwind-protect
+	  (let ((all-properties
+		 (map-c-array 'list #'identity array 'param length)))
+	    (if (not inherited-properties)
+		(delete-if
+		 #'(lambda (param)
+		     (not (eql type-number (param-owner-type param))))
+		 all-properties)
+	      all-properties))
+	(deallocate-memory array)))))
+
+
+(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 type 'boolean) "-P" ""))))
+
+(defun expand-gobject-type (type-number &optional options
+			    (metaclass 'gobject-class))
+  (let* ((supers (cons (supertype type-number) (implements type-number)))
+	 (class  (type-from-number type-number))
+	 (manual-slots (getf options :slots))
+	 (expanded-slots
+	  (mapcar
+	   #'(lambda (param)
+	       (with-slots (name flags value-type documentation) param
+	         (let* ((slot-name (default-slot-name name))
+;			(slot-type value-type) ;(type-from-number value-type t))
+			(slot-type (or (type-from-number value-type) value-type))
+			(accessor
+			 (default-slot-accessor class slot-name slot-type)));(type-from-number slot-type)))) ; temporary workaround for wrong topological sorting of types
+
+		   `(,slot-name
+		     :allocation :property
+		     :pname ,name
+		     ,@(cond
+			((and
+			  (member :writable flags)
+			  (member :readable flags)
+			  (not (member :construct-only flags)))
+			 (list :accessor accessor))
+			((and (member :writable flags)
+			      (not (member :construct-only flags)))
+			 (list :writer `(setf ,accessor)))
+			((member :readable flags)
+			 (list :reader accessor)))
+		     ,@(when (or
+			      (not (member :writable flags))
+			      (member :construct-only flags))
+		         (list :writable nil))
+		     ,@(when (not (member :readable flags))
+		         (list :readable nil))
+		     ,@(when (or 
+			      (member :construct flags)
+			      (member :construct-only flags))
+		         (list :construct t))
+		     ,@(when (or
+			      (member :construct flags)
+			      (member :construct-only flags)
+			      (member :writable flags))
+			 (list :initarg (intern (string slot-name) "KEYWORD")))
+		     :type ,slot-type
+		     ,@(when documentation
+			 (list :documentation documentation))))))
+	   (query-object-class-properties type-number))))
+
+    (dolist (slot-def (reverse manual-slots))
+      (let ((name (car slot-def))
+	    (pname (getf (cdr slot-def) :pname)))
+	(setq
+	 expanded-slots
+	 (delete-if
+	  #'(lambda (expanded-slot-def)
+	      (or
+	       (eq name (car expanded-slot-def))
+	       (and
+		pname
+		(string= pname (getf (cdr expanded-slot-def) :pname)))))
+	  expanded-slots))
+
+	(unless (getf (cdr slot-def) :ignore)
+	  (push slot-def expanded-slots))))
+    
+    `(progn
+       (defclass ,class ,supers
+	 ,expanded-slots
+	 (:metaclass ,metaclass)
+	 (:alien-name ,(find-type-name type-number))))))
+
+
+(register-derivable-type 'gobject "GObject" 'expand-gobject-type)
+