1 /* GObject - GLib Type, Object, Parameter and Signal Library
2 * Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
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
15 * Public License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
17 * Boston, MA 02111-1307, USA.
19 #if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
20 #error "Only <glib-object.h> can be included directly."
23 #ifndef __G_OBJECT_H__
24 #define __G_OBJECT_H__
26 #include <gobject/gtype.h>
27 #include <gobject/gvalue.h>
28 #include <gobject/gparam.h>
29 #include <gobject/gclosure.h>
30 #include <gobject/gsignal.h>
34 /* --- type macros --- */
35 #define G_TYPE_IS_OBJECT(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_OBJECT)
36 #define G_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), G_TYPE_OBJECT, GObject))
37 #define G_OBJECT_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), G_TYPE_OBJECT, GObjectClass))
38 #define G_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), G_TYPE_OBJECT))
39 #define G_IS_OBJECT_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_OBJECT))
40 #define G_OBJECT_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS ((object), G_TYPE_OBJECT, GObjectClass))
41 #define G_OBJECT_TYPE(object) (G_TYPE_FROM_INSTANCE (object))
42 #define G_OBJECT_TYPE_NAME(object) (g_type_name (G_OBJECT_TYPE (object)))
43 #define G_OBJECT_CLASS_TYPE(class) (G_TYPE_FROM_CLASS (class))
44 #define G_OBJECT_CLASS_NAME(class) (g_type_name (G_OBJECT_CLASS_TYPE (class)))
45 #define G_VALUE_HOLDS_OBJECT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_OBJECT))
48 /* --- typedefs & structures --- */
49 typedef struct _GObject GObject;
50 typedef struct _GObjectClass GObjectClass;
51 typedef struct _GObjectConstructParam GObjectConstructParam;
52 typedef void (*GObjectGetPropertyFunc) (GObject *object,
56 typedef void (*GObjectSetPropertyFunc) (GObject *object,
60 typedef void (*GObjectFinalizeFunc) (GObject *object);
61 typedef void (*GWeakNotify) (gpointer data,
62 GObject *where_the_object_was);
65 GTypeInstance g_type_instance;
73 GTypeClass g_type_class;
76 GSList *construct_properties;
79 /* overridable methods */
80 GObject* (*constructor) (GType type,
81 guint n_construct_properties,
82 GObjectConstructParam *construct_properties);
83 void (*set_property) (GObject *object,
87 void (*get_property) (GObject *object,
91 void (*dispose) (GObject *object);
92 void (*finalize) (GObject *object);
94 /* seldomly overidden */
95 void (*dispatch_properties_changed) (GObject *object,
100 void (*notify) (GObject *object,
106 struct _GObjectConstructParam
113 /* --- prototypes --- */
114 void g_object_class_install_property (GObjectClass *oclass,
117 GParamSpec* g_object_class_find_property (GObjectClass *oclass,
118 const gchar *property_name);
119 GParamSpec**g_object_class_list_properties (GObjectClass *oclass,
120 guint *n_properties);
121 gpointer g_object_new (GType object_type,
122 const gchar *first_property_name,
124 gpointer g_object_newv (GType object_type,
126 GParameter *parameters);
127 GObject* g_object_new_valist (GType object_type,
128 const gchar *first_property_name,
130 void g_object_set (gpointer object,
131 const gchar *first_property_name,
133 void g_object_get (gpointer object,
134 const gchar *first_property_name,
136 gpointer g_object_connect (gpointer object,
137 const gchar *signal_spec,
139 void g_object_disconnect (gpointer object,
140 const gchar *signal_spec,
142 void g_object_set_valist (GObject *object,
143 const gchar *first_property_name,
145 void g_object_get_valist (GObject *object,
146 const gchar *first_property_name,
148 void g_object_set_property (GObject *object,
149 const gchar *property_name,
150 const GValue *value);
151 void g_object_get_property (GObject *object,
152 const gchar *property_name,
154 void g_object_freeze_notify (GObject *object);
155 void g_object_notify (GObject *object,
156 const gchar *property_name);
157 void g_object_thaw_notify (GObject *object);
158 gpointer g_object_ref (gpointer object);
159 void g_object_unref (gpointer object);
160 void g_object_weak_ref (GObject *object,
163 void g_object_weak_unref (GObject *object,
166 void g_object_add_weak_pointer (GObject *object,
167 gpointer *weak_pointer_location);
168 void g_object_remove_weak_pointer (GObject *object,
169 gpointer *weak_pointer_location);
170 gpointer g_object_get_qdata (GObject *object,
172 void g_object_set_qdata (GObject *object,
175 void g_object_set_qdata_full (GObject *object,
178 GDestroyNotify destroy);
179 gpointer g_object_steal_qdata (GObject *object,
181 gpointer g_object_get_data (GObject *object,
183 void g_object_set_data (GObject *object,
186 void g_object_set_data_full (GObject *object,
189 GDestroyNotify destroy);
190 gpointer g_object_steal_data (GObject *object,
192 void g_object_watch_closure (GObject *object,
194 GClosure* g_cclosure_new_object (GCallback callback_func,
196 GClosure* g_cclosure_new_object_swap (GCallback callback_func,
198 GClosure* g_closure_new_object (guint sizeof_closure,
200 void g_value_set_object (GValue *value,
202 gpointer g_value_get_object (const GValue *value);
203 GObject* g_value_dup_object (const GValue *value);
204 gulong g_signal_connect_object (gpointer instance,
205 const gchar *detailed_signal,
208 GConnectFlags connect_flags);
212 void g_object_run_dispose (GObject *object);
215 void g_value_take_object (GValue *value,
217 #ifndef G_DISABLE_DEPRECATED
218 void g_value_set_object_take_ownership (GValue *value,
222 /* --- implementation macros --- */
223 #define G_OBJECT_WARN_INVALID_PSPEC(object, pname, property_id, pspec) \
225 GObject *_object = (GObject*) (object); \
226 GParamSpec *_pspec = (GParamSpec*) (pspec); \
227 guint _property_id = (property_id); \
228 g_warning ("%s: invalid %s id %u for \"%s\" of type `%s' in `%s'", \
233 g_type_name (G_PARAM_SPEC_TYPE (_pspec)), \
234 G_OBJECT_TYPE_NAME (_object)); \
236 #define G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec) \
237 G_OBJECT_WARN_INVALID_PSPEC ((object), "property", (property_id), (pspec))
241 #endif /* __G_OBJECT_H__ */