-;; 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: genums.lisp,v 1.7 2005-02-03 22:59:35 espen Exp $
+;; $Id: genums.lisp,v 1.22 2006-09-28 10:20:12 espen Exp $
(in-package "GLIB")
-
-
-(defun %map-enum (args op)
- (let ((current-value 0))
- (mapcar
- #'(lambda (mapping)
- (destructuring-bind (symbol &optional (value current-value))
- (mklist mapping)
- (setf current-value (1+ value))
- (case op
- (:enum-int (list symbol value))
- (:flags-int (list symbol value))
- (:int-enum (list value symbol))
- (:int-flags (list value symbol))
- (:symbols symbol))))
- args)))
-
-(defun %query-enum-or-flags-values (query-function class type)
- (multiple-value-bind (sap length)
- (funcall query-function (type-class-ref type))
- (let ((values nil)
- (size (proxy-instance-size (find-class class)))
- (proxy (make-instance class :location sap)))
- (dotimes (i length)
- (with-slots (location nickname value) proxy
- (setf location sap)
- (setq sap (sap+ sap size))
- (push
- (list
- (intern (substitute #\- #\_ (string-upcase nickname)) "KEYWORD")
- value)
- values)))
- values)))
-
-;;;; Generic enum type
-
-(deftype enum (&rest args)
- `(member ,@(%map-enum args :symbols)))
-
-(defmethod alien-type ((type (eql 'enum)) &rest args)
- (declare (ignore type args))
- (alien-type 'signed))
-
-(defmethod size-of ((type (eql 'enum)) &rest args)
- (declare (ignore type args))
- (size-of 'signed))
-
-(defmethod to-alien-form (form (type (eql 'enum)) &rest args)
- (declare (ignore type))
- `(ecase ,form
- ,@(%map-enum args :enum-int)))
-
-(defmethod from-alien-form (form (type (eql 'enum)) &rest args)
- (declare (ignore type))
- `(ecase ,form
- ,@(%map-enum args :int-enum)))
-
-(defmethod to-alien-function ((type (eql 'enum)) &rest args)
- (let ((mappings (%map-enum args :enum-int)))
- #'(lambda (enum)
- (or
- (second (assoc enum mappings))
- (error "~S is not of type ~S" enum (cons type args))))))
-
-(defmethod from-alien-function ((type (eql 'enum)) &rest args)
- (declare (ignore type))
- (let ((mappings (%map-enum args :int-enum)))
- #'(lambda (int)
- (second (assoc int mappings)))))
-
-(defmethod writer-function ((type (eql 'enum)) &rest args)
- (declare (ignore type))
- (let ((writer (writer-function 'signed))
- (function (apply #'to-alien-function 'enum args)))
- #'(lambda (enum location &optional (offset 0))
- (funcall writer (funcall function enum) location offset))))
-
-(defmethod reader-function ((type (eql 'enum)) &rest args)
- (declare (ignore type))
- (let ((reader (reader-function 'signed))
- (function (apply #'from-alien-function 'enum args)))
- #'(lambda (location &optional (offset 0))
- (funcall function (funcall reader location offset)))))
-
-
-
-(defclass %enum-value (struct)
- ((value :allocation :alien :type int)
- (name :allocation :alien :type string)
- (nickname :allocation :alien :type string))
- (:metaclass static-struct-class))
-
-(defbinding %enum-class-values () pointer
+;;;; Definition of enums and flags by introspection
+
+(eval-when (:compile-toplevel :load-toplevel :execute)
+ (defclass enum-value (struct)
+ ((value :allocation :alien :type int)
+ (name :allocation :alien :type string)
+ (nickname :allocation :alien :type string))
+ (:metaclass struct-class)))
+
+(defun map-enum-values (values symbolic-p)
+ (map 'list
+ #'(lambda (enum-value)
+ (with-slots (nickname name value) enum-value
+ (list
+ (cond
+ ((eq symbolic-p :nickname) nickname)
+ (symbolic-p
+ (intern (substitute #\- #\_ (string-upcase nickname)) "KEYWORD"))
+ (t name))
+ value)))
+ values))
+
+(defbinding enum-class-values () (static (vector (inlined enum-value) n-values))
(class pointer)
(n-values unsigned-int :out))
-(defun query-enum-values (type)
- (%query-enum-or-flags-values #'%enum-class-values '%enum-value type))
-
-(defun enum-int (enum type)
- (funcall (to-alien-function type) enum))
-
-(defun int-enum (int type)
- (funcall (from-alien-function type) int))
-
-(defun enum-mapping (type)
- (rest (type-expand-to 'enum type)))
-
-;;;; Generic flags type
-
-(deftype flags (&rest args)
- `(or null (cons (member ,@(%map-enum args :symbols)) list)))
-
-(defmethod alien-type ((type (eql 'flags)) &rest args)
- (declare (ignore type args))
- (alien-type 'unsigned))
-
-(defmethod size-of ((type (eql 'flags)) &rest args)
- (declare (ignore type args))
- (size-of 'unsigned))
-
-(defmethod to-alien-form (flags (type (eql 'flags)) &rest args)
- `(loop
- with value = 0
- with flags = ,flags
- for flag in (mklist flags)
- do (let ((flagval
- (or
- (second (assoc flag ',(%map-enum args :flags-int)))
- (error "~S is not of type ~S" flags '(,type ,@args)))))
- (setq value (logior value flagval)))
- finally (return value)))
-
-(defmethod from-alien-form (int (type (eql 'flags)) &rest args)
- (declare (ignore type))
- `(loop
- for mapping in ',(%map-enum args :int-flags)
- unless (zerop (logand ,int (first mapping)))
- collect (second mapping)))
-
-(defmethod to-alien-function ((type (eql 'flags)) &rest args)
- (let ((mappings (%map-enum args :flags-int)))
- #'(lambda (flags)
- (loop
- with value = 0
- for flag in (mklist flags)
- do (let ((flagval (or
- (second (assoc flag mappings))
- (error "~S is not of type ~S" flags (cons type args)))))
- (setq value (logior value flagval)))
- finally (return value)))))
-
-(defmethod from-alien-function ((type (eql 'flags)) &rest args)
- (declare (ignore type))
- (let ((mappings (%map-enum args :int-flags)))
- #'(lambda (int)
- (loop
- for mapping in mappings
- unless (zerop (logand int (first mapping)))
- collect (second mapping)))))
-
-(defmethod writer-function ((type (eql 'flags)) &rest args)
- (declare (ignore type))
- (let ((writer (writer-function 'unsigned))
- (function (apply #'to-alien-function 'flags args)))
- #'(lambda (flags location &optional (offset 0))
- (funcall writer (funcall function flags) location offset))))
-
-(defmethod reader-function ((type (eql 'flags)) &rest args)
- (declare (ignore type))
- (let ((reader (reader-function 'unsigned))
- (function (apply #'from-alien-function 'flags args)))
- #'(lambda (location &optional (offset 0))
- (funcall function (funcall reader location offset)))))
-
-
-
-(defclass %flags-value (struct)
- ((value :allocation :alien :type unsigned-int)
- (name :allocation :alien :type string)
- (nickname :allocation :alien :type string))
- (:metaclass static-struct-class))
-
-(defbinding %flags-class-values () pointer
+(defbinding flags-class-values () (static (vector (inlined enum-value) n-values))
(class pointer)
(n-values unsigned-int :out))
-(defun query-flags-values (type)
- (%query-enum-or-flags-values #'%flags-class-values '%flags-value type))
-
-
-
-;;;;
+(defun query-enum-values (type &optional (symbolic-p t))
+ (let ((class (type-class-ref type)))
+ (map-enum-values (if (eq (supertype type) 'enum)
+ (enum-class-values class)
+ (flags-class-values class))
+ symbolic-p)))
(defun expand-enum-type (type-number forward-p options)
(declare (ignore forward-p))
- (let* ((super (supertype type-number))
- (type (type-from-number type-number))
+ (let* ((type (type-from-number type-number))
(mappings (getf options :mappings))
(expanded-mappings
(append
(or
(assoc (first mapping) mappings)
(rassoc (cdr mapping) mappings :test #'equal)))
- (if (eq super 'enum)
- (query-enum-values type-number)
- (query-flags-values type-number)))
+ (query-enum-values type-number))
(remove-if
#'(lambda (mapping) (eq (second mapping) nil)) mappings))))
`(progn
- (register-type ',type ,(find-type-name type-number))
- (deftype ,type () '(,super ,@expanded-mappings)))))
+ (register-type ',type ',(find-type-init-function type-number))
+ ,(ecase (supertype type-number)
+ (enum `(define-enum-type ,type ,@expanded-mappings))
+ (flags `(define-flags-type ,type ,@expanded-mappings))))))
(register-derivable-type 'enum "GEnum" 'expand-enum-type)
~mdw / clg / blobdiff