summaryrefslogtreecommitdiff
path: root/gobject/gobject.h
blob: 6690793c94e720e98c6b608f40a7e21ae8a444b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
/* GObject - GLib Type, Object, Parameter and Signal Library
 * Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General
 * Public License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 */
#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
#error "Only <glib-object.h> can be included directly."
#endif

#ifndef __G_OBJECT_H__
#define __G_OBJECT_H__

#include        <gobject/gtype.h>
#include        <gobject/gvalue.h>
#include        <gobject/gparam.h>
#include        <gobject/gclosure.h>
#include        <gobject/gsignal.h>

G_BEGIN_DECLS

/* --- type macros --- */
#define G_TYPE_IS_OBJECT(type)      (G_TYPE_FUNDAMENTAL (type) == G_TYPE_OBJECT)
#define G_OBJECT(object)            (G_TYPE_CHECK_INSTANCE_CAST ((object), G_TYPE_OBJECT, GObject))
#define G_OBJECT_CLASS(class)       (G_TYPE_CHECK_CLASS_CAST ((class), G_TYPE_OBJECT, GObjectClass))
#define G_IS_OBJECT(object)         (G_TYPE_CHECK_INSTANCE_TYPE ((object), G_TYPE_OBJECT))
#define G_IS_OBJECT_CLASS(class)    (G_TYPE_CHECK_CLASS_TYPE ((class), G_TYPE_OBJECT))
#define G_OBJECT_GET_CLASS(object)  (G_TYPE_INSTANCE_GET_CLASS ((object), G_TYPE_OBJECT, GObjectClass))
#define G_OBJECT_TYPE(object)       (G_TYPE_FROM_INSTANCE (object))
#define G_OBJECT_TYPE_NAME(object)  (g_type_name (G_OBJECT_TYPE (object)))
#define G_OBJECT_CLASS_TYPE(class)  (G_TYPE_FROM_CLASS (class))
#define G_OBJECT_CLASS_NAME(class)  (g_type_name (G_OBJECT_CLASS_TYPE (class)))
#define G_VALUE_HOLDS_OBJECT(value) (G_TYPE_CHECK_VALUE_TYPE ((value), G_TYPE_OBJECT))


/* --- typedefs & structures --- */
typedef struct _GObject                  GObject;
typedef struct _GObjectClass             GObjectClass;
typedef struct _GObjectConstructParam    GObjectConstructParam;
typedef void (*GObjectGetPropertyFunc)  (GObject      *object,
                                         guint         property_id,
                                         GValue       *value,
                                         GParamSpec   *pspec);
typedef void (*GObjectSetPropertyFunc)  (GObject      *object,
                                         guint         property_id,
                                         const GValue *value,
                                         GParamSpec   *pspec);
typedef void (*GObjectFinalizeFunc)     (GObject      *object);
typedef void (*GWeakNotify)		(gpointer      data,
					 GObject      *where_the_object_was);
struct  _GObject
{
  GTypeInstance g_type_instance;
  
  /*< private >*/
  guint         ref_count;
  GData        *qdata;
};
struct  _GObjectClass
{
  GTypeClass   g_type_class;

  /*< private >*/
  GSList      *construct_properties;

  /* public overridable methods */
  GObject*   (*constructor)     (GType                  type,
                                 guint                  n_construct_properties,
                                 GObjectConstructParam *construct_properties);
  void       (*set_property)		(GObject        *object,
                                         guint           property_id,
                                         const GValue   *value,
                                         GParamSpec     *pspec);
  void       (*get_property)		(GObject        *object,
                                         guint           property_id,
                                         GValue         *value,
                                         GParamSpec     *pspec);
  void       (*dispose)			(GObject        *object);
  void       (*finalize)		(GObject        *object);
  
  /* seldomly overidden */
  void       (*dispatch_properties_changed) (GObject      *object,
					     guint	   n_pspecs,
					     GParamSpec  **pspecs);

  /* signals */
  void	     (*notify)			(GObject	*object,
					 GParamSpec	*pspec);
  /* padding */
  gpointer	pdummy[8];
};
struct _GObjectConstructParam
{
  GParamSpec *pspec;
  GValue     *value;
};


/* --- prototypes --- */
void        g_object_class_install_property   (GObjectClass   *oclass,
					       guint           property_id,
					       GParamSpec     *pspec);
GParamSpec* g_object_class_find_property      (GObjectClass   *oclass,
					       const gchar    *property_name);
GParamSpec**g_object_class_list_properties    (GObjectClass   *oclass,
					       guint	      *n_properties);
gpointer    g_object_new                      (GType           object_type,
					       const gchar    *first_property_name,
					       ...);
gpointer    g_object_newv		      (GType           object_type,
					       guint	       n_parameters,
					       GParameter     *parameters);
GObject*    g_object_new_valist               (GType           object_type,
					       const gchar    *first_property_name,
					       va_list         var_args);
void	    g_object_set                      (gpointer	       object,
					       const gchar    *first_property_name,
					       ...);
void        g_object_get                      (gpointer        object,
					       const gchar    *first_property_name,
					       ...);
gpointer    g_object_connect                  (gpointer	       object,
					       const gchar    *signal_spec,
					       ...);
void	    g_object_disconnect               (gpointer	       object,
					       const gchar    *signal_spec,
					       ...);
void        g_object_set_valist               (GObject        *object,
					       const gchar    *first_property_name,
					       va_list         var_args);
void        g_object_get_valist               (GObject        *object,
					       const gchar    *first_property_name,
					       va_list         var_args);
void        g_object_set_property             (GObject        *object,
					       const gchar    *property_name,
					       const GValue   *value);
void        g_object_get_property             (GObject        *object,
					       const gchar    *property_name,
					       GValue         *value);
void        g_object_freeze_notify            (GObject        *object);
void        g_object_notify                   (GObject        *object,
					       const gchar    *property_name);
void        g_object_thaw_notify              (GObject        *object);
gpointer    g_object_ref                      (gpointer        object);
void        g_object_unref                    (gpointer        object);
void	    g_object_weak_ref		      (GObject	      *object,
					       GWeakNotify     notify,
					       gpointer	       data);
void	    g_object_weak_unref		      (GObject	      *object,
					       GWeakNotify     notify,
					       gpointer	       data);
void        g_object_add_weak_pointer         (GObject        *object, 
                                               gpointer       *weak_pointer_location);
void        g_object_remove_weak_pointer      (GObject        *object, 
                                               gpointer       *weak_pointer_location);
gpointer    g_object_get_qdata                (GObject        *object,
					       GQuark          quark);
void        g_object_set_qdata                (GObject        *object,
					       GQuark          quark,
					       gpointer        data);
void        g_object_set_qdata_full           (GObject        *object,
					       GQuark          quark,
					       gpointer        data,
					       GDestroyNotify  destroy);
gpointer    g_object_steal_qdata              (GObject        *object,
					       GQuark          quark);
gpointer    g_object_get_data                 (GObject        *object,
					       const gchar    *key);
void        g_object_set_data                 (GObject        *object,
					       const gchar    *key,
					       gpointer        data);
void        g_object_set_data_full            (GObject        *object,
					       const gchar    *key,
					       gpointer        data,
					       GDestroyNotify  destroy);
gpointer    g_object_steal_data               (GObject        *object,
					       const gchar    *key);
void        g_object_watch_closure            (GObject        *object,
					       GClosure       *closure);
GClosure*   g_cclosure_new_object             (GCallback       callback_func,
					       GObject	      *object);
GClosure*   g_cclosure_new_object_swap        (GCallback       callback_func,
					       GObject	      *object);
GClosure*   g_closure_new_object              (guint           sizeof_closure,
					       GObject        *object);
void        g_value_set_object                (GValue         *value,
					       gpointer        v_object);
gpointer    g_value_get_object                (const GValue   *value);
GObject*    g_value_dup_object                (const GValue   *value);
gulong	    g_signal_connect_object           (gpointer	       instance,
					       const gchar    *detailed_signal,
					       GCallback       c_handler,
					       gpointer	       gobject,
					       GConnectFlags   connect_flags);


/*< protected >*/
void        g_object_run_dispose	      (GObject	      *object);


void        g_value_take_object               (GValue         *value,
					       gpointer        v_object);
#ifndef G_DISABLE_DEPRECATED
void        g_value_set_object_take_ownership (GValue         *value,
					       gpointer        v_object);
#endif

/* --- implementation macros --- */
#define G_OBJECT_WARN_INVALID_PSPEC(object, pname, property_id, pspec) \
G_STMT_START { \
  GObject *_object = (GObject*) (object); \
  GParamSpec *_pspec = (GParamSpec*) (pspec); \
  guint _property_id = (property_id); \
  g_warning ("%s: invalid %s id %u for \"%s\" of type `%s' in `%s'", \
             G_STRLOC, \
             (pname), \
             _property_id, \
             _pspec->name, \
             g_type_name (G_PARAM_SPEC_TYPE (_pspec)), \
             G_OBJECT_TYPE_NAME (_object)); \
} G_STMT_END
#define G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec) \
    G_OBJECT_WARN_INVALID_PSPEC ((object), "property", (property_id), (pspec))

G_END_DECLS

#endif /* __G_OBJECT_H__ */