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"
36 * @short_description: An object for emblems
38 * @see_also: #GIcon, #GEmblemedIcon, #GLoadableIcon, #GThemedIcon
40 * #GEmblem is an implementation of #GIcon that supports
41 * having an emblem, which is an icon with additional properties.
42 * It can than be added to a #GEmblemedIcon.
44 * Currently, only metainformation about the emblem's origin is
45 * supported. More may be added in the future.
48 static void g_emblem_iface_init (GIconIface
*iface
);
52 GObject parent_instance
;
60 GObjectClass parent_class
;
70 G_DEFINE_TYPE_WITH_CODE (GEmblem
, g_emblem
, G_TYPE_OBJECT
,
71 G_IMPLEMENT_INTERFACE (G_TYPE_ICON
, g_emblem_iface_init
))
74 g_emblem_get_property (GObject
*object
,
79 GEmblem
*emblem
= G_EMBLEM (object
);
84 g_value_set_object (value
, emblem
->icon
);
88 g_value_set_enum (value
, emblem
->origin
);
92 G_OBJECT_WARN_INVALID_PROPERTY_ID (object
, prop_id
, pspec
);
98 g_emblem_set_property (GObject
*object
,
103 GEmblem
*emblem
= G_EMBLEM (object
);
108 emblem
->icon
= g_value_dup_object (value
);
112 emblem
->origin
= g_value_get_enum (value
);
116 G_OBJECT_WARN_INVALID_PROPERTY_ID (object
, prop_id
, pspec
);
122 g_emblem_finalize (GObject
*object
)
124 GEmblem
*emblem
= G_EMBLEM (object
);
126 g_object_unref (emblem
->icon
);
128 (*G_OBJECT_CLASS (g_emblem_parent_class
)->finalize
) (object
);
132 g_emblem_class_init (GEmblemClass
*klass
)
134 GObjectClass
*gobject_class
= G_OBJECT_CLASS (klass
);
136 gobject_class
->finalize
= g_emblem_finalize
;
137 gobject_class
->set_property
= g_emblem_set_property
;
138 gobject_class
->get_property
= g_emblem_get_property
;
140 g_object_class_install_property (gobject_class
,
142 g_param_spec_enum ("origin",
143 P_("GEmblem's origin"),
144 P_("Tells which origin the emblem is derived from"),
145 G_TYPE_EMBLEM_ORIGIN
,
146 G_EMBLEM_ORIGIN_UNKNOWN
,
147 G_PARAM_CONSTRUCT_ONLY
| G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS
));
149 g_object_class_install_property (gobject_class
,
151 g_param_spec_object ("icon",
152 P_("The icon of the emblem"),
153 P_("The actual icon of the emblem"),
155 G_PARAM_CONSTRUCT_ONLY
| G_PARAM_READWRITE
| G_PARAM_STATIC_STRINGS
));
160 g_emblem_init (GEmblem
*emblem
)
166 * @icon: a GIcon containing the icon.
168 * Creates a new emblem for @icon.
170 * Returns: a new #GEmblem.
175 g_emblem_new (GIcon
*icon
)
179 g_return_val_if_fail (icon
!= NULL
, NULL
);
180 g_return_val_if_fail (G_IS_ICON (icon
), NULL
);
181 g_return_val_if_fail (!G_IS_EMBLEM (icon
), NULL
);
183 emblem
= g_object_new (G_TYPE_EMBLEM
, NULL
);
184 emblem
->icon
= g_object_ref (icon
);
185 emblem
->origin
= G_EMBLEM_ORIGIN_UNKNOWN
;
191 * g_emblem_new_with_origin:
192 * @icon: a GIcon containing the icon.
193 * @origin: a GEmblemOrigin enum defining the emblem's origin
195 * Creates a new emblem for @icon.
197 * Returns: a new #GEmblem.
202 g_emblem_new_with_origin (GIcon
*icon
,
203 GEmblemOrigin origin
)
207 g_return_val_if_fail (icon
!= NULL
, NULL
);
208 g_return_val_if_fail (G_IS_ICON (icon
), NULL
);
209 g_return_val_if_fail (!G_IS_EMBLEM (icon
), NULL
);
211 emblem
= g_object_new (G_TYPE_EMBLEM
, NULL
);
212 emblem
->icon
= g_object_ref (icon
);
213 emblem
->origin
= origin
;
220 * @emblem: a #GEmblem from which the icon should be extracted.
222 * Gives back the icon from @emblem.
224 * Returns: a #GIcon. The returned object belongs to the emblem
225 * and should not be modified or freed.
230 g_emblem_get_icon (GEmblem
*emblem
)
232 g_return_val_if_fail (G_IS_EMBLEM (emblem
), NULL
);
239 * g_emblem_get_origin:
240 * @emblem: a #GEmblem
242 * Gets the origin of the emblem.
244 * Returns: the origin of the emblem
249 g_emblem_get_origin (GEmblem
*emblem
)
251 g_return_val_if_fail (G_IS_EMBLEM (emblem
), G_EMBLEM_ORIGIN_UNKNOWN
);
253 return emblem
->origin
;
257 g_emblem_hash (GIcon
*icon
)
259 GEmblem
*emblem
= G_EMBLEM (icon
);
262 hash
= g_icon_hash (g_emblem_get_icon (emblem
));
263 hash
^= emblem
->origin
;
269 g_emblem_equal (GIcon
*icon1
,
272 GEmblem
*emblem1
= G_EMBLEM (icon1
);
273 GEmblem
*emblem2
= G_EMBLEM (icon2
);
275 return emblem1
->origin
== emblem2
->origin
&&
276 g_icon_equal (emblem1
->icon
, emblem2
->icon
);
280 g_emblem_to_tokens (GIcon
*icon
,
284 GEmblem
*emblem
= G_EMBLEM (icon
);
287 /* GEmblem are encoded as
292 g_return_val_if_fail (out_version
!= NULL
, FALSE
);
296 s
= g_icon_to_string (emblem
->icon
);
300 g_ptr_array_add (tokens
, s
);
302 s
= g_strdup_printf ("%d", emblem
->origin
);
303 g_ptr_array_add (tokens
, s
);
309 g_emblem_from_tokens (gchar
**tokens
,
316 GEmblemOrigin origin
;
324 G_IO_ERROR_INVALID_ARGUMENT
,
325 _("Can't handle version %d of GEmblem encoding"),
334 G_IO_ERROR_INVALID_ARGUMENT
,
335 _("Malformed number of tokens (%d) in GEmblem encoding"),
340 icon
= g_icon_new_for_string (tokens
[0], error
);
345 origin
= atoi (tokens
[1]);
347 emblem
= g_emblem_new_with_origin (icon
, origin
);
348 g_object_unref (icon
);
350 return G_ICON (emblem
);
354 g_emblem_iface_init (GIconIface
*iface
)
356 iface
->hash
= g_emblem_hash
;
357 iface
->equal
= g_emblem_equal
;
358 iface
->to_tokens
= g_emblem_to_tokens
;
359 iface
->from_tokens
= g_emblem_from_tokens
;
362 #define __G_EMBLEM_C__
363 #include "gioaliasdef.c"