-;; Common Lisp bindings for GTK+ v2.0
-;; Copyright (C) 2000-2001 Espen S. Johnsen <esj@stud.cs.uit.no>
+;; Common Lisp bindings for GTK+ v2.x
+;; Copyright 2000-2005 Espen S. Johnsen <espen@users.sf.net>
;;
-;; This library is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU Lesser General Public
-;; License as published by the Free Software Foundation; either
-;; version 2 of the License, or (at your option) any later version.
+;; Permission is hereby granted, free of charge, to any person obtaining
+;; a copy of this software and associated documentation files (the
+;; "Software"), to deal in the Software without restriction, including
+;; without limitation the rights to use, copy, modify, merge, publish,
+;; distribute, sublicense, and/or sell copies of the Software, and to
+;; permit persons to whom the Software is furnished to do so, subject to
+;; the following conditions:
;;
-;; This library is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;; Lesser General Public License for more details.
+;; The above copyright notice and this permission notice shall be
+;; included in all copies or substantial portions of the Software.
;;
-;; You should have received a copy 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
+;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-;; $Id: gtype.lisp,v 1.28 2005/03/11 10:56:58 espen Exp $
+;; $Id: gtype.lisp,v 1.51 2006/04/18 11:42:20 espen Exp $
(in-package "GLIB")
(defbinding type-init () nil)
(type-init)
-(deftype type-number () '(unsigned 32))
+(deftype type-number () 'unsigned-long)
(deftype gtype () 'symbol)
-(defmethod alien-type ((type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method alien-type ((type gtype))
+ (declare (ignore type))
(alien-type 'type-number))
-(defmethod size-of ((type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method size-of ((type gtype))
+ (declare (ignore type))
(size-of 'type-number))
-(defmethod to-alien-form (gtype (type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method to-alien-form ((type gtype) gtype)
+ (declare (ignore type))
`(find-type-number ,gtype t))
-(defmethod to-alien-function ((type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method to-alien-function ((type gtype))
+ (declare (ignore type))
#'(lambda (gtype)
(find-type-number gtype t)))
-(defmethod from-alien-form (type-number (type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method from-alien-form ((type gtype) type-number)
+ (declare (ignore type))
`(type-from-number ,type-number))
-(defmethod from-alien-function ((type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method from-alien-function ((type gtype))
+ (declare (ignore type))
#'(lambda (type-number)
(type-from-number type-number)))
-(defmethod writer-function ((type (eql 'gtype)) &rest args)
- (declare (ignore type args))
+(define-type-method writer-function ((type gtype))
+ (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 args))
+(define-type-method reader-function ((type gtype))
+ (declare (ignore type))
(let ((reader (reader-function 'type-number)))
- #'(lambda (location &optional (offset 0))
+ #'(lambda (location &optional (offset 0) weak-p)
+ (declare (ignore weak-p))
(type-from-number (funcall reader location offset)))))
(defvar *registered-types* ())
(defvar *registered-type-aliases* ())
+(defvar *registered-static-types* ())
(defvar *lisp-type-to-type-number* (make-hash-table))
(defvar *type-number-to-lisp-type* (make-hash-table))
(mapc #'(lambda (type)
(register-type (car type) (cdr type)))
*registered-types*)
+ (mapc #'(lambda (type)
+ (apply #'register-new-type type))
+ *registered-static-types*)
(mapc #'(lambda (type)
(register-type-alias (car type) (cdr type)))
*registered-type-aliases*))
(defun type-from-number (type-number &optional error)
(multiple-value-bind (type found)
(gethash type-number *type-number-to-lisp-type*)
- (when (and error (not found))
+ (if found
+ type
(let ((name (find-foreign-type-name type-number)))
- (if name
- (error "Type number not registered: ~A (~A)" type-number name)
- (error "Invalid type number: ~A" type-number))))
- type))
+ (cond
+ ((and name (not (= (type-number-from-glib-name name nil) type-number)))
+ ;; This is a hack because GdkEvent seems to be registered
+ ;; multiple times
+ (type-from-number (type-number-from-glib-name name)))
+ ((and error name)
+ (error "Type number not registered: ~A (~A)" type-number name))
+ ((and error)
+ (error "Invalid type number: ~A" type-number)))))))
(defbinding (find-foreign-type-name "g_type_name") (type) (copy-of string)
((find-type-number type t) type-number))
(unwind-protect
(loop
as symbol = (let ((line (read-line (process-output process) nil)))
- (when line (subseq line 11)))
+ (when line
+ (subseq line (1+ (position #\Space line :from-end t)))))
while symbol
when (and
(> (length symbol) 9)
(substitute #\_ #\- (string-downcase type)))))
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass type-info (struct)
+ ((class-size :allocation :alien :type (unsigned 16) :initarg :class-size)
+ (base-init :allocation :alien :type pointer)
+ (base-finalize :allocation :alien :type pointer)
+ (class-init :allocation :alien :type pointer)
+ (class-finalize :allocation :alien :type pointer)
+ (class-data :allocation :alien :type pointer)
+ (instance-size :allocation :alien :type (unsigned 16)
+ :initarg :instance-size)
+ (n-preallocs :allocation :alien :type (unsigned 16))
+ (instance-init :allocation :alien :type pointer)
+ (value-table :allocation :alien :type pointer))
+ (:metaclass struct-class)))
+
+(defbinding %type-register-static () type-number
+ (parent-type type-number)
+ (name string)
+ (info type-info)
+ (0 unsigned-int))
+
+(defun register-new-type (type parent &optional foreign-name)
+ (let ((parent-info (type-query parent)))
+ (with-slots ((parent-number type-number) class-size instance-size) parent-info
+ (let ((type-number
+ (%type-register-static
+ parent-number
+ (or foreign-name (default-alien-type-name type))
+ (make-instance 'type-info :class-size class-size :instance-size instance-size))))
+ (pushnew (list type parent foreign-name) *registered-static-types* :key #'car)
+ (setf (gethash type *lisp-type-to-type-number*) type-number)
+ (setf (gethash type-number *type-number-to-lisp-type*) type)
+ type-number))))
+
+
;;;; Metaclass for subclasses of ginstance
(eval-when (:compile-toplevel :load-toplevel :execute)
(defclass ginstance-class (proxy-class)
- ()))
+ ((gtype :initarg :gtype :initform nil :reader ginstance-class-gtype))))
-(defmethod shared-initialize ((class ginstance-class) names &key name gtype)
- (declare (ignore names))
- (let* ((class-name (or name (class-name class)))
- (type-number
+(defun update-size (class)
+ (let ((type-number (find-type-number class)))
+ (cond
+ ((not (slot-boundp class 'size))
+ (setf (slot-value class 'size) (type-instance-size type-number)))
+ ((and
+ (slot-boundp class 'size)
+ (not (= (type-instance-size type-number) (slot-value class 'size))))
+ (warn "Size mismatch for class ~A" class)))))
+
+
+(defmethod finalize-inheritance ((class ginstance-class))
+ (let* ((class-name (class-name class))
+ (super (most-specific-proxy-superclass class))
+ (gtype (or
+ (first (ginstance-class-gtype class))
+ (default-alien-type-name class-name)))
+ (type-number
(or
(find-type-number class-name)
- (register-type class-name
- (or (first gtype) (default-type-init-name class-name))))))
- (call-next-method)
- (when (slot-boundp class 'size)
- (setf (slot-value class 'size) (type-instance-size type-number)))))
+ (let ((type-number
+ (if (or
+ (symbolp gtype)
+ (type-number-from-glib-name gtype nil))
+ (register-type class-name gtype)
+ (register-new-type class-name (class-name super) gtype))))
+ (type-class-ref type-number)
+ type-number))))
+ (when (and
+ (supertype type-number)
+ (not (eq (class-name super) (supertype type-number))))
+ (warn "Super class mismatch between CLOS and GObject for ~A"
+ class-name)))
+ (update-size class)
+ (call-next-method))
+
+
+(defmethod shared-initialize ((class ginstance-class) names &rest initargs)
+ (declare (ignore initargs))
+ (call-next-method)
+ (when (class-finalized-p class)
+ (update-size class)))
(defmethod validate-superclass ((class ginstance-class) (super standard-class))
(eval-when (:compile-toplevel :load-toplevel :execute)
(defclass ginstance (proxy)
- ((class :allocation :alien :type pointer))
- (:metaclass proxy-class)))
+ (;(class :allocation :alien :type pointer :offset 0)
+ )
+ (:metaclass proxy-class)
+ (:size #.(size-of 'pointer))))
-(defun %type-of-ginstance (location)
+(defun %type-number-of-ginstance (location)
(let ((class (sap-ref-sap location 0)))
- (type-from-number (sap-ref-32 class 0))))
+ (sap-ref-32 class 0)))
-(defmethod ensure-proxy-instance ((class ginstance-class) location)
+(defmethod make-proxy-instance :around ((class ginstance-class) location &rest initargs)
(declare (ignore class))
- (let ((class (find-class (%type-of-ginstance location))))
+ (let ((class (labels ((find-known-class (type-number)
+ (or
+ (find-class (type-from-number type-number) nil)
+ (unless (zerop type-number)
+ (find-known-class (type-parent type-number))))))
+ (find-known-class (%type-number-of-ginstance location)))))
+ ;; Note that chancing the class argument must not alter "the
+ ;; ordered set of applicable methods" as specified in the
+ ;; Hyperspec
(if class
- (make-instance class :location (reference-foreign class location))
- ;; TODO: (make-instance 'ginstance ...)
- location)))
-
-(defmethod copy-from-alien-form (location (class ginstance-class) &rest args)
- (declare (ignore location class args))
+ (apply #'call-next-method class location initargs)
+ (error "Object at ~A has an unkown type number: ~A"
+ location (%type-number-of-ginstance location)))))
+
+(defmethod make-proxy-instance ((class ginstance-class) location &rest initargs)
+ (declare (ignore initargs))
+ (reference-foreign class location)
+ ;; Since we make an explicit reference to the foreign object, we
+ ;; always have to release it when the proxy is garbage collected
+ ;; and therefor ignore the weak-p argument.
+ (call-next-method class location :weak nil))
+
+(defmethod invalidate-instance ((instance ginstance))
+ (declare (ignore instance))
+ ;; A ginstance should never be invalidated since it is ref counted
+ nil)
+
+(define-type-method copy-from-alien-form ((type ginstance) location)
+ (declare (ignore location type))
(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))
+(define-type-method copy-from-alien-function ((type ginstance))
+ (declare (ignore type))
(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))))
+(define-type-method reader-function ((type ginstance))
+ (let ((class (type-expand type)))
+ #'(lambda (location &optional (offset 0) weak-p)
+ (declare (ignore weak-p))
+ (ensure-proxy-instance class (sap-ref-sap location offset)))))
;;;; Registering fundamental types
(register-type 'unsigned-char "guchar")
(register-type 'boolean "gboolean")
(register-type 'int "gint")
+(register-type-alias 'integer 'int)
(register-type-alias 'fixnum 'int)
(register-type 'unsigned-int "guint")
(register-type 'long "glong")
~mdw / clg / blobdiff