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1 | ;; Common Lisp bindings for GTK+ v2.0 |
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2 | ;; Copyright (C) 2000-2001 Espen S. Johnsen <esj@stud.cs.uit.no> |
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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: gobject.lisp,v 1.6 2001-04-29 20:34:18 espen Exp $ |
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19 | |
20 | (in-package "GLIB") |
21 | |
22 | |
23 | (eval-when (:compile-toplevel :load-toplevel :execute) |
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24 | (defclass gobject (ginstance) |
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25 | () |
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26 | (:metaclass ginstance-class) |
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27 | (:alien-name "GObject") |
28 | (:ref "g_object_ref") |
29 | (:unref "g_object_unref"))) |
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30 | |
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31 | (defmethod initialize-instance ((object gobject) &rest initargs) |
32 | (declare (ignore initargs)) |
33 | (setf |
34 | (slot-value object 'location) |
35 | (%gobject-new (type-number-of object))) |
36 | (call-next-method)) |
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37 | |
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38 | (defbinding ("g_object_new" %gobject-new) () gobject |
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39 | (type type-number) |
40 | (nil null)) |
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41 | |
42 | |
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43 | ;;;; Parameter stuff |
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44 | |
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45 | (defbinding %object-set-property () nil |
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46 | (object gobject) |
47 | (name string) |
48 | (value gvalue)) |
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49 | |
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50 | (defbinding %object-get-property () nil |
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51 | (object gobject) |
52 | (name string) |
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53 | (value gvalue)) |
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54 | |
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55 | (defbinding %object-notify () nil |
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56 | (object gobject) |
57 | (name string)) |
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58 | |
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59 | (defbinding object-freeze-notify () nil |
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60 | (object gobject)) |
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61 | |
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62 | (defbinding object-thaw-notify () nil |
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63 | (object gobject)) |
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64 | |
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65 | (defbinding %object-set-qdata-full () nil |
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66 | (object gobject) |
67 | (id quark) |
68 | (data unsigned-long) |
69 | (destroy-marshal pointer)) |
70 | |
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71 | |
72 | ;;;; User data |
73 | |
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74 | (defun (setf object-data) (data object key &key (test #'eq)) |
75 | (%object-set-qdata-full |
76 | object (quark-from-object key :test test) |
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77 | (register-user-data data) *destroy-notify*) |
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78 | data) |
79 | |
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80 | (defbinding %object-get-qdata () unsigned-long |
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81 | (object gobject) |
82 | (id quark)) |
83 | |
84 | (defun object-data (object key &key (test #'eq)) |
85 | (find-user-data |
86 | (%object-get-qdata object (quark-from-object key :test test)))) |
87 | |
88 | |
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89 | |
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90 | ;;;; Metaclass used for subclasses of gobject |
91 | |
92 | (eval-when (:compile-toplevel :load-toplevel :execute) |
93 | (defclass gobject-class (ginstance-class)) |
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94 | |
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95 | (defclass direct-gobject-slot-definition (direct-virtual-slot-definition)) |
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96 | |
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97 | (defclass effective-gobject-slot-definition |
98 | (effective-virtual-slot-definition))) |
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99 | |
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100 | |
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101 | ; (defbinding object-class-install-param () nil |
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102 | ; (class pointer) |
103 | ; (id unsigned-int) |
104 | ; (parameter parameter)) |
105 | |
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106 | ; (defbinding object-class-find-param-spec () parameter |
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107 | ; (class pointer) |
108 | ; (name string)) |
109 | |
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110 | |
111 | (defmethod initialize-instance :after ((slotd direct-gobject-slot-definition) |
112 | &rest initargs &key) |
113 | (declare (ignore initargs)) |
114 | (unless (slot-boundp slotd 'location) |
115 | ;; Find parameter name from slot name |
116 | (with-slots (pcl::name location) slotd |
117 | (setf location (signal-name-to-string pcl::name))))) |
118 | |
119 | (defmethod direct-slot-definition-class ((class gobject-class) initargs) |
120 | (case (getf initargs :allocation) |
121 | (:param (find-class 'direct-gobject-slot-definition)) |
122 | (t (call-next-method)))) |
123 | |
124 | (defmethod effective-slot-definition-class ((class gobject-class) initargs) |
125 | (case (getf initargs :allocation) |
126 | (:param (find-class 'effective-gobject-slot-definition)) |
127 | (t (call-next-method)))) |
128 | |
129 | (defmethod compute-virtual-slot-location |
130 | ((class gobject-class) (slotd effective-gobject-slot-definition) |
131 | direct-slotds) |
132 | (with-slots (type) slotd |
133 | (let ((param-name (slot-definition-location (first direct-slotds))) |
134 | (type-number (find-type-number type)) |
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135 | (reader (intern-reader-function type)) |
136 | (writer (intern-writer-function type)) |
137 | (destroy (intern-destroy-function type))) |
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138 | (list |
139 | #'(lambda (object) |
140 | (with-gc-disabled |
141 | (let ((gvalue (gvalue-new type-number))) |
142 | (%object-get-property object param-name gvalue) |
143 | (prog1 |
144 | (funcall reader gvalue +gvalue-value-offset+) |
145 | (gvalue-free gvalue t))))) |
146 | #'(lambda (value object) |
147 | (with-gc-disabled |
148 | (let ((gvalue (gvalue-new type-number))) |
149 | (funcall writer value gvalue +gvalue-value-offset+) |
150 | (%object-set-property object param-name gvalue) |
151 | (funcall destroy gvalue +gvalue-value-offset+) |
152 | (gvalue-free gvalue nil) |
153 | value))))))) |
154 | |
155 | |
156 | (defmethod validate-superclass ((class gobject-class) |
157 | (super pcl::standard-class)) |
158 | (subtypep (class-name super) 'gobject)) |
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159 | |