1 ;; Common Lisp bindings for GTK+ v2.0
2 ;; Copyright (C) 2000 Espen S. Johnsen <esj@stud.cs.uit.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: gparam.lisp,v 1.12 2004-12-16 23:21:18 espen Exp $
22 (deftype gvalue () 'pointer)
24 (eval-when (:compile-toplevel :load-toplevel :execute)
25 (defbinding (size-of-gvalue "size_of_gvalue") () unsigned-int))
27 ;(defconstant +gvalue-size+ (+ (size-of 'type-number) (* 2 (size-of 'double-float))))
28 (defconstant +gvalue-size+ #.(size-of-gvalue))
30 (defconstant +gvalue-value-offset+ (size-of 'type-number))
32 (defbinding (%gvalue-init "g_value_init") () nil
36 (defbinding (gvalue-unset "g_value_unset") () nil
39 (defun gvalue-init (gvalue type &optional (value nil value-p))
40 (%gvalue-init gvalue (find-type-number type))
42 (funcall (writer-function type) value gvalue +gvalue-value-offset+)))
44 (defun gvalue-new (&optional type (value nil value-p))
45 (let ((gvalue (allocate-memory +gvalue-size+)))
47 (value-p (gvalue-init gvalue type value))
48 (type (gvalue-init gvalue type)))
51 (defun gvalue-free (gvalue &optional (unset-p t))
52 (unless (null-pointer-p gvalue)
54 (gvalue-unset gvalue))
55 (deallocate-memory gvalue)))
57 (defun gvalue-type (gvalue)
58 (type-from-number (system:sap-ref-32 gvalue 0)))
60 (defun gvalue-get (gvalue)
61 (funcall (reader-function (gvalue-type gvalue))
62 gvalue +gvalue-value-offset+))
64 (defun gvalue-set (gvalue value)
65 (funcall (writer-function (gvalue-type gvalue))
66 value gvalue +gvalue-value-offset+)
69 (defmacro with-gvalue ((gvalue type &optional (value nil value-p)) &body body)
70 `(let ((,gvalue ,(if value-p
71 `(gvalue-new ,type ,value)
76 ,(unless value-p `(gvalue-get ,gvalue)))
77 (gvalue-free ,gvalue))))
80 (deftype param-flag-type ()
89 (eval-when (:compile-toplevel :load-toplevel :execute)
90 (defclass param-spec-class (ginstance-class)
93 (defmethod validate-superclass
94 ((class param-spec-class) (super pcl::standard-class))
95 t ;(subtypep (class-name super) 'param)
99 (defbinding %param-spec-ref () pointer
102 (defbinding %param-spec-unref () nil
105 (defmethod reference-foreign ((class param-spec-class) location)
106 (declare (ignore class))
107 (%param-spec-ref location))
109 (defmethod unreference-foreign ((class param-spec-class) location)
110 (declare (ignore class))
111 (%param-spec-unref location))
115 ;; TODO: rename to param-spec
116 (defclass param (ginstance)
124 :type param-flag-type)
127 :reader param-value-type
131 :reader param-owner-type
135 :getter "g_param_spec_get_nick"
136 :reader param-nickname
137 :type (copy-of string))
140 :getter "g_param_spec_get_blurb"
141 :reader param-documentation
142 :type (copy-of string)))
143 (:metaclass param-spec-class))
146 (defclass param-char (param)
149 :reader param-char-minimum
153 :reader param-char-maximum
157 :reader param-char-default-value
159 (:metaclass param-spec-class))
161 (defclass param-unsigned-char (param)
165 ; :reader param-unsigned-char-minimum
166 ; :type unsigned-char)
169 ; :reader param-unsigned-char-maximum
170 ; :type unsigned-char)
173 ; :reader param-unsigned-char-default-value
174 ; :type unsigned-char)
176 (:metaclass param-spec-class)
177 (:alien-name "GParamUChar"))
179 (defclass param-boolean (param)
182 :reader param-boolean-default-value
184 (:metaclass param-spec-class))
186 (defclass param-int (param)
189 :reader param-int-minimum
193 :reader param-int-maximum
197 :reader param-int-default-value
199 (:metaclass param-spec-class))
201 (defclass param-unsigned-int (param)
204 :reader param-unsigned-int-minimum
208 :reader param-unsigned-int-maximum
212 :reader param-unsigned-int-default-value
214 (:metaclass param-spec-class)
215 (:alien-name "GParamUInt"))
217 (defclass param-long (param)
220 :reader param-long-minimum
224 :reader param-long-maximum
228 :reader param-long-default-value
230 (:metaclass param-spec-class))
232 (defclass param-unsigned-long (param)
235 :reader param-unsigned-long-minimum
239 :reader param-unsigned-long-maximum
243 :reader param-unsigned-long-default-value
244 :type unsigned-long))
245 (:metaclass param-spec-class)
246 (:alien-name "GParamULong"))
248 (defclass param-unichar (param)
250 (:metaclass param-spec-class))
252 (defclass param-enum (param)
255 :reader param-enum-class
259 :reader param-enum-default-value
261 (:metaclass param-spec-class))
263 (defclass param-flags (param)
266 :reader param-flags-class
270 :reader param-flags-default-value
272 (:metaclass param-spec-class))
274 (defclass param-single-float (param)
277 :reader param-single-float-minimum
281 :reader param-single-float-maximum
285 :reader param-single-float-default-value
289 :reader param-single-float-epsilon
291 (:metaclass param-spec-class)
292 (:alien-name "GParamFloat"))
294 (defclass param-double-float (param)
297 :reader param-double-float-minimum
301 :reader param-double-float-maximum
305 :reader param-double-float-default-value
309 :reader param-double-float-epsilon
311 (:metaclass param-spec-class)
312 (:alien-name "GParamDouble"))
314 (defclass param-string (param)
317 :reader param-string-default-value
319 (:metaclass param-spec-class))
321 (defclass param-param (param)
323 (:metaclass param-spec-class))
325 (defclass param-boxed (param)
327 (:metaclass param-spec-class))
329 (defclass param-pointer (param)
331 (:metaclass param-spec-class))
333 (defclass param-value-array (param)
336 :reader param-value-array-element-spec
340 :reader param-value-array-length
342 (:metaclass param-spec-class))
344 ;; (defclass param-closure (param)
346 ;; (:metaclass param-spec-class))
348 (defclass param-object (param)
350 (:metaclass param-spec-class))