24af32f5 |
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 | |
b7833c4c |
18 | ;; $Id: ginterface.lisp,v 1.3 2004/10/31 00:56:29 espen Exp $ |
24af32f5 |
19 | |
20 | (in-package "GLIB") |
21 | |
22 | (use-prefix "g") |
23 | |
24 | ;;;; |
25 | |
935a783c |
26 | (defclass ginterface () |
27 | ()) |
24af32f5 |
28 | |
29 | (deftype-method translate-type-spec ginterface (type-spec) |
30 | (declare (ignore type-spec)) |
31 | (translate-type-spec 'gobject)) |
32 | |
33 | (deftype-method size-of ginterface (type-spec) |
34 | (declare (ignore type-spec)) |
35 | (size-of 'gobject)) |
36 | |
37 | (deftype-method translate-from-alien |
38 | ginterface (type-spec location &optional weak-ref) |
39 | (declare (ignore type-spec)) |
40 | (translate-from-alien 'gobject location weak-ref)) |
41 | |
42 | (deftype-method translate-to-alien |
43 | ginterface (type-spec instance &optional weak-ref) |
44 | (declare (ignore type-spec)) |
45 | (translate-to-alien 'gobject instance weak-ref)) |
46 | |
47 | |
48 | |
49 | ;;;; Metaclass for interfaces |
50 | |
51 | (eval-when (:compile-toplevel :load-toplevel :execute) |
935a783c |
52 | (defclass ginterface-class (virtual-slot-class) |
53 | ())) |
24af32f5 |
54 | |
b7833c4c |
55 | (defmethod direct-slot-definition-class ((class ginterface-class) &rest initargs) |
56 | (case (getf initargs :allocation) |
57 | (:property (find-class 'direct-property-slot-definition)) |
58 | (t (call-next-method)))) |
59 | |
60 | (defmethod effective-slot-definition-class ((class ginterface-class) &rest initargs) |
61 | (case (getf initargs :allocation) |
62 | (:property (find-class 'effective-property-slot-definition)) |
63 | (t (call-next-method)))) |
64 | |
65 | (defmethod compute-effective-slot-definition-initargs ((class ginterface-class) direct-slotds) |
66 | (if (eq (most-specific-slot-value direct-slotds 'allocation) :property) |
67 | (nconc |
68 | (list :pname (signal-name-to-string |
69 | (most-specific-slot-value direct-slotds 'pname)) |
70 | :readable (most-specific-slot-value direct-slotds 'readable) |
71 | :writable (most-specific-slot-value direct-slotds 'writable) |
72 | :construct (most-specific-slot-value direct-slotds 'construct)) |
73 | (call-next-method)) |
74 | (call-next-method))) |
75 | |
24af32f5 |
76 | |
77 | (defmethod shared-initialize ((class ginterface-class) names |
78 | &rest initargs &key name alien-name) |
79 | (declare (ignore initargs names)) |
80 | (let* ((class-name (or name (class-name class))) |
81 | (type-number |
82 | (find-type-number |
83 | (or (first alien-name) (default-alien-type-name class-name)) t))) |
84 | (register-type class-name type-number)) |
85 | (call-next-method)) |
86 | |
87 | |
88 | (defmethod validate-superclass |
89 | ((class ginterface-class) (super pcl::standard-class)) |
90 | (subtypep (class-name super) 'ginterface)) |
91 | |
92 | |
93 | ;;;; |
94 | |
b7833c4c |
95 | |
96 | (defbinding type-default-interface-ref (type) pointer |
97 | ((find-type-number type t) type-number)) |
98 | |
99 | (defbinding type-default-interface-unref (type) nil |
100 | ((find-type-number type t) type-number)) |
101 | |
102 | (defbinding type-default-interface-peek (type) pointer |
103 | ((find-type-number type t) type-number)) |
104 | |
105 | (defbinding %object-interface-list-properties () pointer |
106 | (iface pointer) |
107 | (n-properties unsigned-int :out)) |
108 | |
109 | (defun query-object-interface-properties (type &optional inherited-p) |
110 | (let* ((type-number (find-type-number type)) |
111 | (iface (type-default-interface-ref type-number))) |
112 | (unwind-protect |
113 | (multiple-value-bind (array length) |
114 | (%object-interface-list-properties iface) |
115 | (unwind-protect |
116 | (%map-params array length type-number inherited-p) |
117 | (deallocate-memory array))) |
118 | ; (type-default-interface-unref type-number) |
119 | ))) |
120 | |
121 | |
122 | (defun expand-ginterface-type (type options &rest args) |
24af32f5 |
123 | (declare (ignore args)) |
b7833c4c |
124 | (let ((class (type-from-number type)) |
125 | (slots (getf options :slots))) |
126 | `(defclass ,class (,(supertype type)) |
127 | ,(slot-definitions class (query-object-interface-properties type) slots) |
128 | (:metaclass ginterface-class) |
129 | (:alien-name ,(find-type-name type))))) |
24af32f5 |
130 | |
131 | |
132 | (register-derivable-type 'ginterface "GInterface" 'expand-ginterface-type) |