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
|
// -*- c++ -*-
#ifndef _GLIBMM_WRAP_H
#define _GLIBMM_WRAP_H
/* $Id$ */
/* Copyright (C) 1998-2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glib-object.h>
#include <glibmm/refptr.h>
namespace Glib
{
class ObjectBase;
class Object;
// Type of the per-class wrap_new() functions.
typedef Glib::ObjectBase* (*WrapNewFunction) (GObject*);
// Setup and free the structures used by wrap_register().
// Both functions might be called more than once.
void wrap_register_init();
void wrap_register_cleanup();
// Register a new type for auto allocation.
void wrap_register(GType type, WrapNewFunction func);
// Return the current C++ wrapper instance of the GObject,
// or automatically generate a new wrapper if there's none.
Glib::ObjectBase* wrap_auto(GObject* object, bool take_copy = false);
// Get a C++ instance that wraps the C instance.
// This always returns the same C++ instance for the same C instance.
// Each wrapper has it's own override of Glib::wrap().
// use take_copy = true when wrapping a struct member.
// TODO: move to object.h ?
/** @relates Glib::Object */
Glib::RefPtr<Glib::Object> wrap(GObject* object, bool take_copy = false);
/** Get the underlying C instance from the C++ instance. This is just
* like calling gobj(), but it does its own check for a NULL pointer.
*/
template <class T> inline
typename T::BaseObjectType* unwrap(T* ptr)
{
return (ptr) ? ptr->gobj() : 0;
}
/** Get the underlying C instance from the C++ instance. This is just
* like calling gobj(), but it does its own check for a NULL pointer.
*/
template <class T> inline
const typename T::BaseObjectType* unwrap(const T* ptr)
{
return (ptr) ? ptr->gobj() : 0;
}
/** Get the underlying C instance from the C++ instance. This is just
* like calling gobj(), but it does its own check for a NULL pointer.
*/
template <class T> inline
typename T::BaseObjectType* unwrap(const Glib::RefPtr<T>& ptr)
{
return (ptr) ? ptr->gobj() : 0;
}
/** Get the underlying C instance from the C++ instance. This is just
* like calling gobj(), but it does its own check for a NULL pointer.
*/
template <class T> inline
const typename T::BaseObjectType* unwrap(const Glib::RefPtr<const T>& ptr)
{
return (ptr) ? ptr->gobj() : 0;
}
/** Get the underlying C instance from the C++ instance and acquire a
* reference. This is just like calling gobj_copy(), but it does its own
* check for a NULL pointer.
*/
template <class T> inline
typename T::BaseObjectType* unwrap_copy(const Glib::RefPtr<T>& ptr)
{
return (ptr) ? ptr->gobj_copy() : 0;
}
/** Get the underlying C instance from the C++ instance and acquire a
* reference. This is just like calling gobj_copy(), but it does its own
* check for a NULL pointer.
*/
template <class T> inline
const typename T::BaseObjectType* unwrap_copy(const Glib::RefPtr<const T>& ptr)
{
return (ptr) ? ptr->gobj_copy() : 0;
}
} // namespace Glib
#endif /* _GLIBMM_WRAP_H */
|
