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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 | |
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18 | ;; $Id: ginterface.lisp,v 1.11 2005-03-11 19:13:05 espen Exp $ |
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19 | |
20 | (in-package "GLIB") |
21 | |
22 | (use-prefix "g") |
23 | |
24 | ;;;; |
25 | |
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26 | (defclass ginterface () |
27 | ()) |
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28 | |
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29 | ;;;; Metaclass for interfaces |
30 | |
31 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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32 | (defclass ginterface-class (virtual-slots-class) |
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33 | ())) |
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34 | |
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35 | (defmethod direct-slot-definition-class ((class ginterface-class) &rest initargs) |
36 | (case (getf initargs :allocation) |
37 | (:property (find-class 'direct-property-slot-definition)) |
38 | (t (call-next-method)))) |
39 | |
40 | (defmethod effective-slot-definition-class ((class ginterface-class) &rest initargs) |
41 | (case (getf initargs :allocation) |
42 | (:property (find-class 'effective-property-slot-definition)) |
43 | (t (call-next-method)))) |
44 | |
45 | (defmethod compute-effective-slot-definition-initargs ((class ginterface-class) direct-slotds) |
46 | (if (eq (most-specific-slot-value direct-slotds 'allocation) :property) |
47 | (nconc |
48 | (list :pname (signal-name-to-string |
49 | (most-specific-slot-value direct-slotds 'pname)) |
50 | :readable (most-specific-slot-value direct-slotds 'readable) |
51 | :writable (most-specific-slot-value direct-slotds 'writable) |
52 | :construct (most-specific-slot-value direct-slotds 'construct)) |
53 | (call-next-method)) |
54 | (call-next-method))) |
55 | |
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56 | |
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57 | (defmethod shared-initialize ((class ginterface-class) names &key name gtype) |
58 | (declare (ignore names)) |
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59 | (let* ((class-name (or name (class-name class))) |
60 | (type-number |
61 | (or |
62 | (find-type-number class-name) |
63 | (register-type class-name |
64 | (or (first gtype) (default-type-init-name class-name)))))) |
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65 | ; (type-default-interface-ref type-number) |
66 | ) |
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67 | (call-next-method)) |
68 | |
69 | |
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70 | (defmethod validate-superclass ((class ginterface-class) (super standard-class)) |
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71 | (subtypep (class-name super) 'ginterface)) |
72 | |
73 | |
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74 | (defmethod alien-type ((class ginterface-class) &rest args) |
75 | (declare (ignore class args)) |
76 | (alien-type 'gobject)) |
77 | |
78 | (defmethod size-of ((class ginterface-class) &rest args) |
79 | (declare (ignore class args)) |
80 | (size-of 'gobject)) |
81 | |
82 | (defmethod from-alien-form (location (class ginterface-class) &rest args) |
83 | (declare (ignore class args)) |
84 | (from-alien-form location 'gobject)) |
85 | |
86 | (defmethod from-alien-function ((class ginterface-class) &rest args) |
87 | (declare (ignore class args)) |
88 | (from-alien-function 'gobject)) |
89 | |
90 | (defmethod to-alien-form (instance (class ginterface-class) &rest args) |
91 | (declare (ignore class args)) |
92 | (to-alien-form instance 'gobject)) |
93 | |
94 | (defmethod to-alien-function ((class ginterface-class) &rest args) |
95 | (declare (ignore class args)) |
96 | (to-alien-function 'gobject)) |
97 | |
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98 | (defmethod reader-function ((class ginterface-class) &rest args) |
99 | (declare (ignore class args)) |
100 | (reader-function 'gobject)) |
101 | |
102 | (defmethod writer-function ((class ginterface-class) &rest args) |
103 | (declare (ignore class args)) |
104 | (writer-function 'gobject)) |
105 | |
106 | (defmethod destroy-function ((class ginterface-class) &rest args) |
107 | (declare (ignore class args)) |
108 | (destroy-function 'gobject)) |
109 | |
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110 | |
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111 | ;;;; |
112 | |
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113 | |
114 | (defbinding type-default-interface-ref (type) pointer |
115 | ((find-type-number type t) type-number)) |
116 | |
117 | (defbinding type-default-interface-unref (type) nil |
118 | ((find-type-number type t) type-number)) |
119 | |
120 | (defbinding type-default-interface-peek (type) pointer |
121 | ((find-type-number type t) type-number)) |
122 | |
123 | (defbinding %object-interface-list-properties () pointer |
124 | (iface pointer) |
125 | (n-properties unsigned-int :out)) |
126 | |
127 | (defun query-object-interface-properties (type &optional inherited-p) |
128 | (let* ((type-number (find-type-number type)) |
129 | (iface (type-default-interface-ref type-number))) |
130 | (unwind-protect |
131 | (multiple-value-bind (array length) |
132 | (%object-interface-list-properties iface) |
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133 | (unless (null-pointer-p array) |
134 | (unwind-protect |
135 | (%map-params array length type-number inherited-p) |
136 | (deallocate-memory array)))) |
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137 | ; (type-default-interface-unref type-number) |
138 | ))) |
139 | |
140 | |
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141 | (defun expand-ginterface-type (type forward-p options &rest args) |
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142 | (declare (ignore args)) |
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143 | (let ((class (type-from-number type)) |
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144 | (slots (getf options :slots))) |
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145 | `(defclass ,class (,(supertype type)) |
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146 | ,(unless forward-p |
147 | (slot-definitions class (query-object-interface-properties type) slots)) |
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148 | (:metaclass ginterface-class) |
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149 | (:gtype ,(register-type-as type))))) |
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150 | |
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151 | (defun ginterface-dependencies (type) |
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152 | (delete-duplicates |
153 | (cons |
154 | (supertype type) |
155 | (mapcar #'param-value-type (query-object-interface-properties type))))) |
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156 | |
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157 | (register-derivable-type 'ginterface "GInterface" 'expand-ginterface-type 'ginterface-dependencies) |