1/* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: Alexander Larsson <alexl@redhat.com>
19 */
20
21#ifndef __G_ICON_H__
22#define __G_ICON_H__
23
24#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
25#error "Only <gio/gio.h> can be included directly."
26#endif
27
28#include <gio/giotypes.h>
29
30G_BEGIN_DECLS
31
32#define G_TYPE_ICON (g_icon_get_type ())
33#define G_ICON(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_ICON, GIcon))
34#define G_IS_ICON(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_ICON))
35#define G_ICON_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_ICON, GIconIface))
36
37/**
38 * GIcon:
39 *
40 * An abstract type that specifies an icon.
41 **/
42typedef struct _GIconIface GIconIface;
43
44/**
45 * GIconIface:
46 * @g_iface: The parent interface.
47 * @hash: A hash for a given #GIcon.
48 * @equal: Checks if two #GIcons are equal.
49 * @to_tokens: Serializes a #GIcon into tokens. The tokens must not
50 * contain any whitespace. Don't implement if the #GIcon can't be
51 * serialized (Since 2.20).
52 * @from_tokens: Constructs a #GIcon from tokens. Set the #GError if
53 * the tokens are malformed. Don't implement if the #GIcon can't be
54 * serialized (Since 2.20).
55 * @serialize: Serializes a #GIcon into a #GVariant. Since: 2.38
56 *
57 * GIconIface is used to implement GIcon types for various
58 * different systems. See #GThemedIcon and #GLoadableIcon for
59 * examples of how to implement this interface.
60 */
61struct _GIconIface
62{
63 GTypeInterface g_iface;
64
65 /* Virtual Table */
66
67 guint (* hash) (GIcon *icon);
68 gboolean (* equal) (GIcon *icon1,
69 GIcon *icon2);
70 gboolean (* to_tokens) (GIcon *icon,
71 GPtrArray *tokens,
72 gint *out_version);
73 GIcon * (* from_tokens) (gchar **tokens,
74 gint num_tokens,
75 gint version,
76 GError **error);
77
78 GVariant * (* serialize) (GIcon *icon);
79};
80
81GLIB_AVAILABLE_IN_ALL
82GType g_icon_get_type (void) G_GNUC_CONST;
83
84GLIB_AVAILABLE_IN_ALL
85guint g_icon_hash (gconstpointer icon);
86GLIB_AVAILABLE_IN_ALL
87gboolean g_icon_equal (GIcon *icon1,
88 GIcon *icon2);
89GLIB_AVAILABLE_IN_ALL
90gchar *g_icon_to_string (GIcon *icon);
91GLIB_AVAILABLE_IN_ALL
92GIcon *g_icon_new_for_string (const gchar *str,
93 GError **error);
94
95GLIB_AVAILABLE_IN_2_38
96GVariant * g_icon_serialize (GIcon *icon);
97GLIB_AVAILABLE_IN_2_38
98GIcon * g_icon_deserialize (GVariant *value);
99
100G_END_DECLS
101
102#endif /* __G_ICON_H__ */
103

source code of gtk/subprojects/glib/gio/gicon.h