1 ;; Common Lisp bindings for GTK+ v1.2.x
2 ;; Copyright (C) 1999 Espen S. Johnsen <espejohn@online.no>
4 ;; This library is free software; you can redistribute it and/or
5 ;; modify it under the terms of the GNU Lesser General Public
6 ;; License as published by the Free Software Foundation; either
7 ;; version 2 of the License, or (at your option) any later version.
9 ;; This library is distributed in the hope that it will be useful,
10 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 ;; Lesser General Public License for more details.
14 ;; You should have received a copy of the GNU Lesser General Public
15 ;; License along with this library; if not, write to the Free Software
16 ;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 ;; $Id: glib.lisp,v 1.5 2000-08-23 21:36:44 espen Exp $
25 ;;;; Memory management
27 (define-foreign ("g_malloc0" allocate-memory) () pointer
30 (define-foreign ("g_realloc" reallocate-memory) () pointer
34 (define-foreign ("g_free" deallocate-memory) () nil
37 (defun copy-memory (from length &optional (to (allocate-memory length)))
38 (kernel:system-area-copy from 0 to 0 (* 8 length))
45 (deftype quark () 'unsigned)
47 (define-foreign %quark-get-reserved () quark)
49 (defvar *quark-from-object* (make-hash-table))
50 (defvar *quark-to-object* (make-hash-table))
52 (defun quark-from-object (object &key (test #'eq))
53 (let ((hash-code (sxhash object)))
55 (assoc-ref object (gethash hash-code *quark-from-object*) :test test)
56 (let ((quark (%quark-get-reserved)))
58 (gethash hash-code *quark-from-object*)
60 (gethash hash-code *quark-from-object*)
61 (list (cons object quark))))
62 (setf (gethash quark *quark-to-object*) object)
65 (defun quark-to-object (quark)
66 (gethash quark *quark-to-object*))
68 (defun remove-quark (quark)
69 (let* ((object (gethash quark *quark-to-object*))
70 (hash-code (sxhash object)))
71 (remhash quark *quark-to-object*)
73 (gethash hash-code *quark-from-object*)
74 (assoc-delete object (gethash hash-code *quark-from-object*)))
75 (remhash hash-code *quark-from-object*))))
81 (deftype glist () 'pointer)
82 (deftype double-list (type) `(or (null (cons ,type list))))
85 (define-foreign ("g_list_append" %glist-append) () glist
89 (defmacro glist-append (glist value type-spec)
90 (ecase (first (mklist (translate-type-spec type-spec)))
91 (unsigned `(%glist-append ,glist ,value))
92 ; (signed `(%glist-append ,glist (signed-to-unsigned ,value)))
93 (system-area-pointer `(%glist-append ,glist (system:sap-int ,value)))))
96 (defmacro glist-data (glist type-spec)
97 (ecase (first (mklist (translate-type-spec type-spec)))
98 (unsigned `(sap-ref-unsigned ,glist 0))
99 (signed `(sap-ref-signed ,glist 0))
100 (system-area-pointer `(sap-ref-sap ,glist 0))))
103 (defun glist-next (glist)
104 (unless (null-pointer-p glist)
105 (sap-ref-sap glist +size-of-sap+)))
108 (define-foreign ("g_list_free" glist-free) () nil
112 (deftype-method translate-type-spec double-list (type-spec)
113 (declare (ignore type-spec))
114 'system-area-pointer)
116 (deftype-method translate-to-alien double-list (type-spec list &optional copy)
117 (declare (ignore copy))
118 (let* ((element-type-spec (second (type-expand-to 'double-list type-spec)))
119 (to-alien (translate-to-alien element-type-spec 'element t)))
120 `(let ((glist (make-pointer 0)))
121 (dolist (element ,list glist)
122 (setq glist (glist-append glist ,to-alien ,element-type-spec))))))
126 double-list (type-spec glist &optional (alloc :reference))
127 (let ((element-type-spec (second (type-expand-to 'double-list type-spec))))
128 `(let ((glist ,glist)
130 (do ((tmp glist (glist-next tmp)))
131 ((null-pointer-p tmp))
133 ,(translate-from-alien
134 element-type-spec `(glist-data tmp ,element-type-spec) alloc)
136 ,(when (eq alloc :reference)
140 (deftype-method cleanup-alien double-list (type-spec glist &optional copied)
141 (declare (ignore copied))
142 (let* ((element-type-spec (second (type-expand-to 'double-list type-spec)))
143 (alien-type-spec (translate-type-spec element-type-spec)))
144 `(let ((glist ,glist))
145 (unless (null-pointer-p glist)
146 ,(when (eq alien-type-spec 'system-area-pointer)
147 `(do ((tmp glist (glist-next tmp)))
148 ((null-pointer-p tmp))
150 element-type-spec `(glist-data tmp ,element-type-spec) t)))
151 (glist-free glist)))))
157 (define-foreign ("g_array_new" %array-new) () garray
158 (zero-terminated boolean)
160 (element-size unsigned-int))
162 (defun array-new (&key zero-terminated clear (element-size 4) initial-contents)
163 (let ((array (%array-new zero-terminated clear element-size)))
164 (when initial-contents
165 (dolist (element initial-contents)
166 (array-append array element)))
169 (define-foreign ("g_array_free" %array-free) () none
171 (free-segment boolean))
173 (defun array-free (array &optional free-data (free-segment t))
175 (dotimes (i (array-get-size array))
176 (free (array-get-pointer array i))))
177 (%array-free array free-segment))
179 (defmacro with-array (binding &body body)
180 (let ((array (gensym)))
181 (destructuring-bind (var &rest args
182 &key (free-contents nil) (free-segment t)
185 (remf args :free-contents)
186 (remf args :free-segment)
187 `(let* ((,array (array-new ,@args))
188 (,var (array-get-data ,array)))
191 (array-free ,array ,free-contents ,free-segment))))))
194 (define-foreign ("g_array_insert_int" array-insert-int) () garray
199 (defun array-insert-value (array index value)
201 (null (array-insert-int array index 0))
202 (integer (array-insert-int array index value))
203 (string (array-insert-int array index (sap-int (gforeign::pointer-to-sap (%strdup value)))))
204 (pointer (array-insert-int array index (sap-int (gforeign::pointer-to-sap value))))))
206 (defun array-prepend (array value)
207 (array-insert-value array 0 value))
209 (defun array-append (array value)
210 (array-insert-value array (array-get-size array) value))
213 (define-foreign ("g_array_get_int" array-get-int) () int
215 (index unsigned-int))
217 (defun array-get-pointer (array index)
218 (gforeign::sap-to-pointer (int-sap (array-get-int array index))))
221 (define-foreign ("g_array_get_data" array-get-data) () pointer
224 (define-foreign ("g_array_set_size" array-set-size) () garray
229 (define-foreign ("g_array_get_size" array-get-size) () int