1/* GObject - GLib Type, Object, Parameter and Signal Library
2 * Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
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 2.1 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
15 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 */
17#ifndef __G_TYPE_PRIVATE_H__
18#define __G_TYPE_PRIVATE_H__
19
20#if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
21#error "Only <glib-object.h> can be included directly."
22#endif
23
24#include "gboxed.h"
25#include "gclosure.h"
26#include "gobject.h"
27
28/*< private >
29 * GOBJECT_IF_DEBUG:
30 * @debug_type: Currently only OBJECTS and SIGNALS are supported.
31 * @code_block: Custom debug code.
32 *
33 * A convenience macro for debugging GObject.
34 * This macro is only used internally.
35 */
36#ifdef G_ENABLE_DEBUG
37#define GOBJECT_IF_DEBUG(debug_type, code_block) \
38G_STMT_START { \
39 if (_g_type_debug_flags & G_TYPE_DEBUG_ ## debug_type) \
40 { code_block; } \
41} G_STMT_END
42#else /* !G_ENABLE_DEBUG */
43#define GOBJECT_IF_DEBUG(debug_type, code_block)
44#endif /* G_ENABLE_DEBUG */
45
46G_BEGIN_DECLS
47
48G_GNUC_BEGIN_IGNORE_DEPRECATIONS
49extern GTypeDebugFlags _g_type_debug_flags;
50G_GNUC_END_IGNORE_DEPRECATIONS
51
52typedef struct _GRealClosure GRealClosure;
53struct _GRealClosure
54{
55 GClosureMarshal meta_marshal;
56 gpointer meta_marshal_data;
57 GVaClosureMarshal va_meta_marshal;
58 GVaClosureMarshal va_marshal;
59 GClosure closure;
60};
61
62#define G_REAL_CLOSURE(_c) \
63 ((GRealClosure *)G_STRUCT_MEMBER_P ((_c), -G_STRUCT_OFFSET (GRealClosure, closure)))
64
65void _g_value_c_init (void); /* sync with gvalue.c */
66void _g_value_types_init (void); /* sync with gvaluetypes.c */
67void _g_enum_types_init (void); /* sync with genums.c */
68void _g_param_type_init (void); /* sync with gparam.c */
69void _g_boxed_type_init (void); /* sync with gboxed.c */
70void _g_object_type_init (void); /* sync with gobject.c */
71void _g_param_spec_types_init (void); /* sync with gparamspecs.c */
72void _g_value_transforms_init (void); /* sync with gvaluetransform.c */
73void _g_signal_init (void); /* sync with gsignal.c */
74
75/* for gboxed.c */
76gpointer _g_type_boxed_copy (GType type,
77 gpointer value);
78void _g_type_boxed_free (GType type,
79 gpointer value);
80void _g_type_boxed_init (GType type,
81 GBoxedCopyFunc copy_func,
82 GBoxedFreeFunc free_func);
83
84gboolean _g_closure_is_void (GClosure *closure,
85 gpointer instance);
86gboolean _g_closure_supports_invoke_va (GClosure *closure);
87void _g_closure_set_va_marshal (GClosure *closure,
88 GVaClosureMarshal marshal);
89void _g_closure_invoke_va (GClosure *closure,
90 GValue /*out*/ *return_value,
91 gpointer instance,
92 va_list args,
93 int n_params,
94 GType *param_types);
95
96gboolean _g_object_has_signal_handler (GObject *object);
97void _g_object_set_has_signal_handler (GObject *object);
98
99/**
100 * _G_DEFINE_TYPE_EXTENDED_WITH_PRELUDE:
101 *
102 * See also G_DEFINE_TYPE_EXTENDED(). This macro is generally only
103 * necessary as a workaround for classes which have properties of
104 * object types that may be initialized in distinct threads. See:
105 * https://bugzilla.gnome.org/show_bug.cgi?id=674885
106 *
107 * Currently private.
108 */
109#define _G_DEFINE_TYPE_EXTENDED_WITH_PRELUDE(TN, t_n, T_P, _f_, _P_, _C_) _G_DEFINE_TYPE_EXTENDED_BEGIN_PRE (TN, t_n, T_P) {_P_;} _G_DEFINE_TYPE_EXTENDED_BEGIN_REGISTER (TN, t_n, T_P, _f_){_C_;} _G_DEFINE_TYPE_EXTENDED_END()
110
111G_END_DECLS
112
113#endif /* __G_TYPE_PRIVATE_H__ */
114

source code of gtk/subprojects/glib/gobject/gtype-private.h