;; 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
;; 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 1.2 2000-08-23 21:40:38 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)))
-;;;; Reference counting 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))
-
-
-;;;; User data mechanism
-(declaim (fixnum *user-data-count*))
+;;;; Property stuff
-(defvar *user-data* (make-hash-table))
-(defvar *user-data-count* 0)
+(defbinding %object-set-property () nil
+ (object gobject)
+ (name string)
+ (value gvalue))
-;; Until the callback mechanism is moved to glib, the value of
-;; *destroy-marshal* is set in gtkobject.lisp
-(defvar *destroy-marshal* nil)
+(defbinding %object-get-property () nil
+ (object gobject)
+ (name string)
+ (value gvalue))
-(defun register-user-data (object &optional destroy-function)
- (check-type destroy-function (or null symbol function))
-; (incf *user-data-count*)
- (setq *user-data-count* (the fixnum (1+ *user-data-count*)))
- (setf
- (gethash *user-data-count* *user-data*)
- (cons object destroy-function))
- *user-data-count*)
+(defbinding %object-notify () nil
+ (object gobject)
+ (name string))
-(defun find-user-data (id)
- (check-type id fixnum)
- (multiple-value-bind (user-data p) (gethash id *user-data*)
- (values (car user-data) p)))
+(defbinding object-freeze-notify () nil
+ (object gobject))
-(defun destroy-user-data (id)
- (check-type id fixnum)
- (let ((user-data (gethash id *user-data*)))
- (when (cdr user-data)
- (funcall (cdr user-data) (car user-data))))
- (remhash id *user-data*))
+(defbinding object-thaw-notify () nil
+ (object gobject))
-(define-foreign %object-set-qdata-full () nil
+(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-marshal*)
+ (register-user-data data) *destroy-notify*)
data)
-(define-foreign %object-get-qdata () unsigned-long
+(defbinding %object-get-qdata () unsigned-long
(object gobject)
(id quark))
-;;;; Methods for gobject-class
+;;;; 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))))
-(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
+; (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)
+
~mdw / clg / blobdiff