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
|
/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* f-utils.h
*
* Copyright (C) 2003 Ettore Perazzoli
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Ettore Perazzoli <ettore@ximian.com>
*/
#ifndef F_UTILS_H
#define F_UTILS_H
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <math.h>
#define F_MAKE_TYPE(name, underscore_name) \
GType \
underscore_name##_get_type (void) \
{ \
static GType type = 0; \
\
if (type == 0) { \
static const GTypeInfo info = { \
sizeof (name##Class), \
(GBaseInitFunc) NULL, \
(GBaseFinalizeFunc) NULL, \
(GClassInitFunc) class_init, \
NULL, /* class_finalize */ \
NULL, /* class_data */ \
sizeof (name), \
0, /* n_preallocs */ \
(GInstanceInitFunc) init, \
}; \
\
type = g_type_register_static (PARENT_TYPE, #name, &info, 0); \
} \
\
return type; \
}
#define F_MAKE_TYPE_WITH_ERROR(name, underscore_name) \
F_MAKE_TYPE (name, underscore_name) \
GQuark \
underscore_name##_error_quark (void) \
{ \
static GQuark q = 0; \
\
if (q == 0) \
q = g_quark_from_static_string (#underscore_name "_error_quark"); \
\
return q; \
}
/* Refcounting macros. Note that some of these evaluates OBJ multiple times,
which is not ideal... So you want to pass only variables (not functions) to
them. */
#define F_UNREF(obj) \
G_STMT_START { \
if ((obj) != NULL) { \
g_object_unref (obj); \
(obj) = NULL; \
} \
} G_STMT_END
#define F_REF(obj) \
((obj) != NULL ? (g_object_ref (obj), (obj)) \
: NULL)
#define F_ASSIGN(dest, src) \
G_STMT_START { \
F_UNREF(dest); \
(dest) = F_REF(src); \
} G_STMT_END
#define F_WEAK_NULL(dest) \
G_STMT_START { \
if ((dest) != NULL) { \
g_object_remove_weak_pointer (G_OBJECT (dest), (void **) & (dest)); \
(dest) = NULL; \
} \
} G_STMT_END
#define F_WEAK_ASSIGN(dest, src) \
G_STMT_START { \
F_WEAK_NULL(dest); \
if ((src) != NULL) { \
(dest) = (src); \
g_object_add_weak_pointer (G_OBJECT (dest), (void **) & (dest)); \
} \
} G_STMT_END
#define F_BOOLEAN_MEMBER(name) \
unsigned int name : 1
#define F_LIST_FOREACH(list, iterator) \
for ((iterator) = (list); (iterator) != NULL; (iterator) = (iterator)->next)
#define F_DOUBLE_EQUAL(a, b) \
(fabs (a - b) < 1e-6)
/* Build a relative path from START_PATH to DESTINATION_PATH. */
char *f_build_relative_path (const char *start_path,
const char *destination_path);
#endif /* F_UTILS_H */
|
