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>
35 /* --- type macros --- */
36 #define G_TYPE_IS_OBJECT(type) (G_TYPE_FUNDAMENTAL (type) == G_TYPE_OBJECT)
37 #define G_OBJECT(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), G_TYPE_OBJECT, GObject))
38 #define G_OBJECT_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), G_TYPE_OBJECT, GObjectClass))
39 #define G_IS_OBJECT(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), G_TYPE_OBJECT))
40 #define G_IS_OBJECT_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_OBJECT))
41 #define G_OBJECT_GET_CLASS(object) (G_TYPE_INSTANCE_GET_CLASS ((object), G_TYPE_OBJECT, GObjectClass))
42 #define G_OBJECT_TYPE(object) (G_TYPE_FROM_INSTANCE (object))
43 #define G_OBJECT_TYPE_NAME(object) (g_type_name (G_OBJECT_TYPE (object)))
44 #define G_OBJECT_CLASS_TYPE(class) (G_TYPE_FROM_CLASS (class))
45 #define G_OBJECT_CLASS_NAME(class) (g_type_name (G_OBJECT_CLASS_TYPE (class)))
46 #define G_VALUE_HOLDS_OBJECT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_OBJECT))
49 /* --- typedefs & structures --- */
50 typedef struct _GObject GObject;
51 typedef struct _GObjectClass GObjectClass;
52 typedef struct _GObjectConstructParam GObjectConstructParam;
53 typedef void (*GObjectGetPropertyFunc) (GObject *object,
57 typedef void (*GObjectSetPropertyFunc) (GObject *object,
61 typedef void (*GObjectFinalizeFunc) (GObject *object);
62 typedef void (*GWeakNotify) (gpointer data,
63 GObject *where_the_object_was);
66 GTypeInstance g_type_instance;
74 GTypeClass g_type_class;
77 GSList *construct_properties;
79 /* public 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,
105 struct _GObjectConstructParam
112 /* --- prototypes --- */
113 void g_object_class_install_property (GObjectClass *oclass,
116 GParamSpec* g_object_class_find_property (GObjectClass *oclass,
117 const gchar *property_name);
118 GParamSpec**g_object_class_list_properties (GObjectClass *oclass,
119 guint *n_properties);
120 gpointer g_object_new (GType object_type,
121 const gchar *first_property_name,
123 gpointer g_object_newv (GType object_type,
125 GParameter *parameters);
126 GObject* g_object_new_valist (GType object_type,
127 const gchar *first_property_name,
129 void g_object_set (gpointer object,
130 const gchar *first_property_name,
132 void g_object_get (gpointer object,
133 const gchar *first_property_name,
135 gpointer g_object_connect (gpointer object,
136 const gchar *signal_spec,
138 void g_object_disconnect (gpointer object,
139 const gchar *signal_spec,
141 void g_object_set_valist (GObject *object,
142 const gchar *first_property_name,
144 void g_object_get_valist (GObject *object,
145 const gchar *first_property_name,
147 void g_object_set_property (GObject *object,
148 const gchar *property_name,
149 const GValue *value);
150 void g_object_get_property (GObject *object,
151 const gchar *property_name,
153 void g_object_freeze_notify (GObject *object);
154 void g_object_notify (GObject *object,
155 const gchar *property_name);
156 void g_object_thaw_notify (GObject *object);
157 gpointer g_object_ref (gpointer object);
158 void g_object_unref (gpointer object);
159 void g_object_weak_ref (GObject *object,
162 void g_object_weak_unref (GObject *object,
165 void g_object_add_weak_pointer (GObject *object,
166 gpointer *weak_pointer_location);
167 void g_object_remove_weak_pointer (GObject *object,
168 gpointer *weak_pointer_location);
169 gpointer g_object_get_qdata (GObject *object,
171 void g_object_set_qdata (GObject *object,
174 void g_object_set_qdata_full (GObject *object,
177 GDestroyNotify destroy);
178 gpointer g_object_steal_qdata (GObject *object,
180 gpointer g_object_get_data (GObject *object,
182 void g_object_set_data (GObject *object,
185 void g_object_set_data_full (GObject *object,
188 GDestroyNotify destroy);
189 gpointer g_object_steal_data (GObject *object,
191 void g_object_watch_closure (GObject *object,
193 GClosure* g_cclosure_new_object (GCallback callback_func,
195 GClosure* g_cclosure_new_object_swap (GCallback callback_func,
197 GClosure* g_closure_new_object (guint sizeof_closure,
199 void g_value_set_object (GValue *value,
201 gpointer g_value_get_object (const GValue *value);
202 GObject* g_value_dup_object (const GValue *value);
203 gulong g_signal_connect_object (gpointer instance,
204 const gchar *detailed_signal,
207 GConnectFlags connect_flags);
211 void g_object_run_dispose (GObject *object);
214 /* --- marshaller specific --- */
215 void g_value_set_object_take_ownership (GValue *value,
219 /* --- implementation macros --- */
220 #define G_OBJECT_WARN_INVALID_PSPEC(object, pname, property_id, pspec) \
222 GObject *_object = (GObject*) (object); \
223 GParamSpec *_pspec = (GParamSpec*) (pspec); \
224 guint _property_id = (property_id); \
225 g_warning ("%s: invalid %s id %u for \"%s\" of type `%s' in `%s'", \
230 g_type_name (G_PARAM_SPEC_TYPE (_pspec)), \
231 G_OBJECT_TYPE_NAME (_object)); \
233 #define G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec) \
234 G_OBJECT_WARN_INVALID_PSPEC ((object), "property", (property_id), (pspec))
238 #endif /* __G_OBJECT_H__ */