glib/gio/gemblem.c
Philip Withnall 5942cd7984 gio: Add SPDX license headers automatically
Add SPDX license (but not copyright) headers to all files which follow a
certain pattern in their existing non-machine-readable header comment.

This commit was entirely generated using the command:
```
git ls-files gio/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs'
```

Signed-off-by: Philip Withnall <pwithnall@endlessos.org>

Helps: #1415
2022-05-18 09:18:52 +01:00

382 lines
9.0 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2008 Clemens N. Buss <cebuzz@gmail.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "gicon.h"
#include "gemblem.h"
#include "glibintl.h"
#include "gioenums.h"
#include "gioenumtypes.h"
#include "gioerror.h"
#include <stdlib.h>
#include <string.h>
/**
* SECTION:gemblem
* @short_description: An object for emblems
* @include: gio/gio.h
* @see_also: #GIcon, #GEmblemedIcon, #GLoadableIcon, #GThemedIcon
*
* #GEmblem is an implementation of #GIcon that supports
* having an emblem, which is an icon with additional properties.
* It can than be added to a #GEmblemedIcon.
*
* Currently, only metainformation about the emblem's origin is
* supported. More may be added in the future.
*/
static void g_emblem_iface_init (GIconIface *iface);
struct _GEmblem
{
GObject parent_instance;
GIcon *icon;
GEmblemOrigin origin;
};
struct _GEmblemClass
{
GObjectClass parent_class;
};
enum
{
PROP_0_GEMBLEM,
PROP_ICON,
PROP_ORIGIN
};
G_DEFINE_TYPE_WITH_CODE (GEmblem, g_emblem, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_ICON, g_emblem_iface_init))
static void
g_emblem_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GEmblem *emblem = G_EMBLEM (object);
switch (prop_id)
{
case PROP_ICON:
g_value_set_object (value, emblem->icon);
break;
case PROP_ORIGIN:
g_value_set_enum (value, emblem->origin);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_emblem_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GEmblem *emblem = G_EMBLEM (object);
switch (prop_id)
{
case PROP_ICON:
emblem->icon = g_value_dup_object (value);
break;
case PROP_ORIGIN:
emblem->origin = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
g_emblem_finalize (GObject *object)
{
GEmblem *emblem = G_EMBLEM (object);
if (emblem->icon)
g_object_unref (emblem->icon);
(*G_OBJECT_CLASS (g_emblem_parent_class)->finalize) (object);
}
static void
g_emblem_class_init (GEmblemClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->finalize = g_emblem_finalize;
gobject_class->set_property = g_emblem_set_property;
gobject_class->get_property = g_emblem_get_property;
g_object_class_install_property (gobject_class,
PROP_ORIGIN,
g_param_spec_enum ("origin",
P_("GEmblems origin"),
P_("Tells which origin the emblem is derived from"),
G_TYPE_EMBLEM_ORIGIN,
G_EMBLEM_ORIGIN_UNKNOWN,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class,
PROP_ICON,
g_param_spec_object ("icon",
P_("The icon of the emblem"),
P_("The actual icon of the emblem"),
G_TYPE_OBJECT,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void
g_emblem_init (GEmblem *emblem)
{
}
/**
* g_emblem_new:
* @icon: a GIcon containing the icon.
*
* Creates a new emblem for @icon.
*
* Returns: a new #GEmblem.
*
* Since: 2.18
*/
GEmblem *
g_emblem_new (GIcon *icon)
{
GEmblem* emblem;
g_return_val_if_fail (icon != NULL, NULL);
g_return_val_if_fail (G_IS_ICON (icon), NULL);
g_return_val_if_fail (!G_IS_EMBLEM (icon), NULL);
emblem = g_object_new (G_TYPE_EMBLEM, NULL);
emblem->icon = g_object_ref (icon);
emblem->origin = G_EMBLEM_ORIGIN_UNKNOWN;
return emblem;
}
/**
* g_emblem_new_with_origin:
* @icon: a GIcon containing the icon.
* @origin: a GEmblemOrigin enum defining the emblem's origin
*
* Creates a new emblem for @icon.
*
* Returns: a new #GEmblem.
*
* Since: 2.18
*/
GEmblem *
g_emblem_new_with_origin (GIcon *icon,
GEmblemOrigin origin)
{
GEmblem* emblem;
g_return_val_if_fail (icon != NULL, NULL);
g_return_val_if_fail (G_IS_ICON (icon), NULL);
g_return_val_if_fail (!G_IS_EMBLEM (icon), NULL);
emblem = g_object_new (G_TYPE_EMBLEM, NULL);
emblem->icon = g_object_ref (icon);
emblem->origin = origin;
return emblem;
}
/**
* g_emblem_get_icon:
* @emblem: a #GEmblem from which the icon should be extracted.
*
* Gives back the icon from @emblem.
*
* Returns: (transfer none): a #GIcon. The returned object belongs to
* the emblem and should not be modified or freed.
*
* Since: 2.18
*/
GIcon *
g_emblem_get_icon (GEmblem *emblem)
{
g_return_val_if_fail (G_IS_EMBLEM (emblem), NULL);
return emblem->icon;
}
/**
* g_emblem_get_origin:
* @emblem: a #GEmblem
*
* Gets the origin of the emblem.
*
* Returns: (transfer none): the origin of the emblem
*
* Since: 2.18
*/
GEmblemOrigin
g_emblem_get_origin (GEmblem *emblem)
{
g_return_val_if_fail (G_IS_EMBLEM (emblem), G_EMBLEM_ORIGIN_UNKNOWN);
return emblem->origin;
}
static guint
g_emblem_hash (GIcon *icon)
{
GEmblem *emblem = G_EMBLEM (icon);
guint hash;
hash = g_icon_hash (g_emblem_get_icon (emblem));
hash ^= emblem->origin;
return hash;
}
static gboolean
g_emblem_equal (GIcon *icon1,
GIcon *icon2)
{
GEmblem *emblem1 = G_EMBLEM (icon1);
GEmblem *emblem2 = G_EMBLEM (icon2);
return emblem1->origin == emblem2->origin &&
g_icon_equal (emblem1->icon, emblem2->icon);
}
static gboolean
g_emblem_to_tokens (GIcon *icon,
GPtrArray *tokens,
gint *out_version)
{
GEmblem *emblem = G_EMBLEM (icon);
char *s;
/* GEmblem are encoded as
*
* <origin> <icon>
*/
g_return_val_if_fail (out_version != NULL, FALSE);
*out_version = 0;
s = g_icon_to_string (emblem->icon);
if (s == NULL)
return FALSE;
g_ptr_array_add (tokens, s);
s = g_strdup_printf ("%d", emblem->origin);
g_ptr_array_add (tokens, s);
return TRUE;
}
static GIcon *
g_emblem_from_tokens (gchar **tokens,
gint num_tokens,
gint version,
GError **error)
{
GEmblem *emblem;
GIcon *icon;
GEmblemOrigin origin;
emblem = NULL;
if (version != 0)
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
_("Cant handle version %d of GEmblem encoding"),
version);
return NULL;
}
if (num_tokens != 2)
{
g_set_error (error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
_("Malformed number of tokens (%d) in GEmblem encoding"),
num_tokens);
return NULL;
}
icon = g_icon_new_for_string (tokens[0], error);
if (icon == NULL)
return NULL;
origin = atoi (tokens[1]);
emblem = g_emblem_new_with_origin (icon, origin);
g_object_unref (icon);
return G_ICON (emblem);
}
static GVariant *
g_emblem_serialize (GIcon *icon)
{
GEmblem *emblem = G_EMBLEM (icon);
GVariant *icon_data;
GEnumValue *origin;
GVariant *result;
icon_data = g_icon_serialize (emblem->icon);
if (!icon_data)
return NULL;
origin = g_enum_get_value (g_type_class_peek (G_TYPE_EMBLEM_ORIGIN), emblem->origin);
result = g_variant_new_parsed ("('emblem', <(%v, {'origin': <%s>})>)",
icon_data, origin ? origin->value_nick : "unknown");
g_variant_unref (icon_data);
return result;
}
static void
g_emblem_iface_init (GIconIface *iface)
{
iface->hash = g_emblem_hash;
iface->equal = g_emblem_equal;
iface->to_tokens = g_emblem_to_tokens;
iface->from_tokens = g_emblem_from_tokens;
iface->serialize = g_emblem_serialize;
}