1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2008 Clemens N. Buss <cebuzz@gmail.com>
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 of the License, or (at your option) any later version.
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.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
27 #include "gioenumtypes.h"
35 * @short_description: An object for emblems
37 * @see_also: #GIcon, #GEmblemedIcon, #GLoadableIcon, #GThemedIcon
39 * #GEmblem is an implementation of #GIcon that supports
40 * having an emblem, which is an icon with additional properties.
41 * It can than be added to a #GEmblemedIcon.
43 * Currently, only metainformation about the emblem's origin is
44 * supported. More may be added in the future.
47 static void g_emblem_iface_init (GIconIface
*iface
);
51 GObject parent_instance
;
59 GObjectClass parent_class
;
69 G_DEFINE_TYPE_WITH_CODE (GEmblem
, g_emblem
, G_TYPE_OBJECT
,
70 G_IMPLEMENT_INTERFACE (G_TYPE_ICON
, g_emblem_iface_init
))
73 g_emblem_get_property (GObject
*object
,
78 GEmblem
*emblem
= G_EMBLEM (object
);
83 g_value_set_object (value
, emblem
->icon
);
87 g_value_set_enum (value
, emblem
->origin
);
91 G_OBJECT_WARN_INVALID_PROPERTY_ID (object
, prop_id
, pspec
);
97 g_emblem_set_property (GObject
*object
,
102 GEmblem
*emblem
= G_EMBLEM (object
);
107 emblem
->icon
= g_value_dup_object (value
);
111 emblem
->origin
= g_value_get_enum (value
);
115 G_OBJECT_WARN_INVALID_PROPERTY_ID (object
, prop_id
, pspec
);
121 g_emblem_finalize (GObject
*object
)
123 GEmblem
*emblem
= G_EMBLEM (object
);
125 g_object_unref (emblem
->icon
);
127 (*G_OBJECT_CLASS (g_emblem_parent_class
)->finalize
) (object
);
131 g_emblem_class_init (GEmblemClass
*klass
)
133 GObjectClass
*gobject_class
= G_OBJECT_CLASS (klass
);
135 gobject_class
->finalize
= g_emblem_finalize
;
136 gobject_class
->set_property
= g_emblem_set_property
;
137 gobject_class
->get_property
= g_emblem_get_property
;
139 g_object_class_install_property (gobject_class
,
141 g_param_spec_enum ("origin",
142 P_("GEmblem's origin"),
143 P_("Tells which origin the emblem is derived from"),
144 G_TYPE_EMBLEM_ORIGIN
,
145 G_EMBLEM_ORIGIN_UNKNOWN
,
146 G_PARAM_CONSTRUCT_ONLY
| G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS
));
148 g_object_class_install_property (gobject_class
,
150 g_param_spec_object ("icon",
151 P_("The icon of the emblem"),
152 P_("The actual icon of the emblem"),
154 G_PARAM_CONSTRUCT_ONLY
| G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS
));
159 g_emblem_init (GEmblem
*emblem
)
165 * @icon: a GIcon containing the icon.
167 * Creates a new emblem for @icon.
169 * Returns: a new #GEmblem.
174 g_emblem_new (GIcon
*icon
)
178 g_return_val_if_fail (icon
!= NULL
, NULL
);
179 g_return_val_if_fail (G_IS_ICON (icon
), NULL
);
180 g_return_val_if_fail (!G_IS_EMBLEM (icon
), NULL
);
182 emblem
= g_object_new (G_TYPE_EMBLEM
, NULL
);
183 emblem
->icon
= g_object_ref (icon
);
184 emblem
->origin
= G_EMBLEM_ORIGIN_UNKNOWN
;
190 * g_emblem_new_with_origin:
191 * @icon: a GIcon containing the icon.
192 * @origin: a GEmblemOrigin enum defining the emblem's origin
194 * Creates a new emblem for @icon.
196 * Returns: a new #GEmblem.
201 g_emblem_new_with_origin (GIcon
*icon
,
202 GEmblemOrigin origin
)
206 g_return_val_if_fail (icon
!= NULL
, NULL
);
207 g_return_val_if_fail (G_IS_ICON (icon
), NULL
);
208 g_return_val_if_fail (!G_IS_EMBLEM (icon
), NULL
);
210 emblem
= g_object_new (G_TYPE_EMBLEM
, NULL
);
211 emblem
->icon
= g_object_ref (icon
);
212 emblem
->origin
= origin
;
219 * @emblem: a #GEmblem from which the icon should be extracted.
221 * Gives back the icon from @emblem.
223 * Returns: (transfer none): a #GIcon. The returned object belongs to
224 * the emblem and should not be modified or freed.
229 g_emblem_get_icon (GEmblem
*emblem
)
231 g_return_val_if_fail (G_IS_EMBLEM (emblem
), NULL
);
238 * g_emblem_get_origin:
239 * @emblem: a #GEmblem
241 * Gets the origin of the emblem.
243 * Returns: (transfer none): the origin of the emblem
248 g_emblem_get_origin (GEmblem
*emblem
)
250 g_return_val_if_fail (G_IS_EMBLEM (emblem
), G_EMBLEM_ORIGIN_UNKNOWN
);
252 return emblem
->origin
;
256 g_emblem_hash (GIcon
*icon
)
258 GEmblem
*emblem
= G_EMBLEM (icon
);
261 hash
= g_icon_hash (g_emblem_get_icon (emblem
));
262 hash
^= emblem
->origin
;
268 g_emblem_equal (GIcon
*icon1
,
271 GEmblem
*emblem1
= G_EMBLEM (icon1
);
272 GEmblem
*emblem2
= G_EMBLEM (icon2
);
274 return emblem1
->origin
== emblem2
->origin
&&
275 g_icon_equal (emblem1
->icon
, emblem2
->icon
);
279 g_emblem_to_tokens (GIcon
*icon
,
283 GEmblem
*emblem
= G_EMBLEM (icon
);
286 /* GEmblem are encoded as
291 g_return_val_if_fail (out_version
!= NULL
, FALSE
);
295 s
= g_icon_to_string (emblem
->icon
);
299 g_ptr_array_add (tokens
, s
);
301 s
= g_strdup_printf ("%d", emblem
->origin
);
302 g_ptr_array_add (tokens
, s
);
308 g_emblem_from_tokens (gchar
**tokens
,
315 GEmblemOrigin origin
;
323 G_IO_ERROR_INVALID_ARGUMENT
,
324 _("Can't handle version %d of GEmblem encoding"),
333 G_IO_ERROR_INVALID_ARGUMENT
,
334 _("Malformed number of tokens (%d) in GEmblem encoding"),
339 icon
= g_icon_new_for_string (tokens
[0], error
);
344 origin
= atoi (tokens
[1]);
346 emblem
= g_emblem_new_with_origin (icon
, origin
);
347 g_object_unref (icon
);
349 return G_ICON (emblem
);
353 g_emblem_iface_init (GIconIface
*iface
)
355 iface
->hash
= g_emblem_hash
;
356 iface
->equal
= g_emblem_equal
;
357 iface
->to_tokens
= g_emblem_to_tokens
;
358 iface
->from_tokens
= g_emblem_from_tokens
;