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1 | ;; Common Lisp bindings for GTK+ v2.0 |
2 | ;; Copyright (C) 2001 Espen S. Johnsen <espen@users.sourceforge.net> |
3 | ;; |
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. |
8 | ;; |
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. |
13 | ;; |
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 |
17 | |
18 | ;; $Id: ginterface.lisp,v 1.1 2002-01-20 14:05:27 espen Exp $ |
19 | |
20 | (in-package "GLIB") |
21 | |
22 | (use-prefix "g") |
23 | |
24 | ;;;; |
25 | |
26 | (defclass ginterface ()) |
27 | |
28 | (deftype-method translate-type-spec ginterface (type-spec) |
29 | (declare (ignore type-spec)) |
30 | (translate-type-spec 'gobject)) |
31 | |
32 | (deftype-method size-of ginterface (type-spec) |
33 | (declare (ignore type-spec)) |
34 | (size-of 'gobject)) |
35 | |
36 | (deftype-method translate-from-alien |
37 | ginterface (type-spec location &optional weak-ref) |
38 | (declare (ignore type-spec)) |
39 | (translate-from-alien 'gobject location weak-ref)) |
40 | |
41 | (deftype-method translate-to-alien |
42 | ginterface (type-spec instance &optional weak-ref) |
43 | (declare (ignore type-spec)) |
44 | (translate-to-alien 'gobject instance weak-ref)) |
45 | |
46 | |
47 | |
48 | ;;;; Metaclass for interfaces |
49 | |
50 | (eval-when (:compile-toplevel :load-toplevel :execute) |
51 | (defclass ginterface-class (pcl::standard-class))) |
52 | |
53 | |
54 | (defmethod shared-initialize ((class ginterface-class) names |
55 | &rest initargs &key name alien-name) |
56 | (declare (ignore initargs names)) |
57 | (let* ((class-name (or name (class-name class))) |
58 | (type-number |
59 | (find-type-number |
60 | (or (first alien-name) (default-alien-type-name class-name)) t))) |
61 | (register-type class-name type-number)) |
62 | (call-next-method)) |
63 | |
64 | |
65 | (defmethod validate-superclass |
66 | ((class ginterface-class) (super pcl::standard-class)) |
67 | (subtypep (class-name super) 'ginterface)) |
68 | |
69 | |
70 | ;;;; |
71 | |
72 | (defun expand-ginterface-type (type-number &rest args) |
73 | (declare (ignore args)) |
74 | `(defclass ,(type-from-number type-number) (ginterface) |
75 | () |
76 | (:metaclass ginterface-class) |
77 | (:alien-name ,(find-type-name type-number)))) |
78 | |
79 | |
80 | (register-derivable-type 'ginterface "GInterface" 'expand-ginterface-type) |