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/* GObject - GLib Type, Object, Parameter and Signal Library
* Copyright (C) 1998, 1999, 2000 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.
*/
#ifndef __G_OBJECT_H__
#define __G_OBJECT_H__
#include <gobject/gtype.h>
#include <gobject/gvalue.h>
#include <gobject/gparam.h>
#include <gobject/gclosure.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* --- 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_IS_VALUE_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,
const gchar *trailer);
typedef void (*GObjectSetPropertyFunc) (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec,
const gchar *trailer);
typedef void (*GObjectFinalizeFunc) (GObject *object);
struct _GObject
{
GTypeInstance g_type_instance;
/*< private >*/
guint ref_count;
GData *qdata;
};
struct _GObjectClass
{
GTypeClass g_type_class;
/* private, these fields might vanish */
guint n_property_specs;
GParamSpec **property_specs;
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,
const gchar *trailer);
void (*get_property) (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec,
const gchar *trailer);
void (*shutdown) (GObject *object);
void (*finalize) (GObject *object);
/*< private >*/
void (*dispatch_properties_changed) (GObject *object,
guint n_pspecs,
GParamSpec **pspecs);
/* signals */
void (*properties_changed) (GObject *object,
guint n_pspecs,
GParamSpec **pspecs);
void (*notify) (GObject *object,
GParamSpec *pspec);
};
struct _GObjectConstructParam
{
GParamSpec *pspec;
GValue *value;
const gchar *trailer;
};
/* --- 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);
gpointer g_object_new (GType object_type,
const gchar *first_property_name,
...);
gpointer 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,
...);
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);
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,
gpointer object);
GClosure* g_cclosure_new_object_swap (GCallback callback_func,
gpointer object);
GClosure* g_closure_new_object (guint sizeof_closure,
GObject *object);
void g_value_set_object (GValue *value,
GObject *v_object);
GObject* g_value_get_object (const GValue *value);
GObject* g_value_dup_object (const GValue *value);
guint g_signal_connect_object (gpointer instance,
const gchar *detailed_signal,
GCallback c_handler,
gpointer gobject,
gboolean swapped,
gboolean after);
/* --- implementation macros --- */
#define G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec) \
G_STMT_START { \
GObject *_object = (GObject*) (object); \
GParamSpec *_pspec = (GParamSpec*) (pspec); \
guint _property_id = (property_id); \
g_warning ("%s: invalid property id %u for \"%s\" of type `%s' in `%s'", \
G_STRLOC, \
_property_id, \
_pspec->name, \
g_type_name (G_PARAM_SPEC_TYPE (_pspec)), \
G_OBJECT_TYPE_NAME (_object)); \
} G_STMT_END
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __G_OBJECT_H__ */
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