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/*
* This file is a part of hildon
*
* Copyright (C) 2007 Nokia Corporation, all rights reserved.
*
* Contact: Rodrigo Novo <rodrigo.novo@nokia.com>
* Author: Xan Lopez <xan.lopez@nokia.com>
*
* 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; 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
/**
* SECTION:hildon-bread-crumb
* @short_description: Interface for elements in a #HildonBreadCrumbTrail
*
* #HildonBreadCrumb is an interface for creating new types of items
* for the #HildonBreadCrumbTrail widget.
*/
#undef HILDON_DISABLE_DEPRECATED
#include "hildon-bread-crumb.h"
static void hildon_bread_crumb_base_init (gpointer g_class);
GType
hildon_bread_crumb_get_type (void)
{
static GType bread_crumb_type = 0;
if (G_UNLIKELY (bread_crumb_type == 0))
{
const GTypeInfo bread_crumb_info =
{
sizeof (HildonBreadCrumbIface), /* class_size */
hildon_bread_crumb_base_init, /* base_init */
NULL, /* base_finalize */
NULL,
NULL, /* class_finalize */
NULL, /* class_data */
0,
0,
NULL
};
bread_crumb_type =
g_type_register_static (G_TYPE_INTERFACE, "HildonBreadCrumb",
&bread_crumb_info, 0);
g_type_interface_add_prerequisite (bread_crumb_type, GTK_TYPE_WIDGET);
}
return bread_crumb_type;
}
static void
hildon_bread_crumb_base_init (gpointer g_class)
{
static gboolean initialized = FALSE;
if (initialized == FALSE)
{
g_signal_new ("crumb-activated",
HILDON_TYPE_BREAD_CRUMB,
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (HildonBreadCrumbIface, crumb_activated),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
initialized = TRUE;
}
}
/**
* hildon_bread_crumb_get_natural_size:
* @bread_crumb: A #HildonBreadCrumb
* @width: location to store the natural width request of the @bread_crumb
* @height: location to store the natural height request of the @bread_crumb
*
* Function to ask the @bread_crumb its preferred width and height requisition.
* Natural size is different to size_request in that it's not the minimum space
* the widget needs, but the ideal space it'd like to be allocated. For example,
* in the case of a label the natural size would be the width and height needed
* to show the full label without line breaks.
*
**/
void
hildon_bread_crumb_get_natural_size (HildonBreadCrumb *bread_crumb,
gint *width,
gint *height)
{
g_return_if_fail (HILDON_IS_BREAD_CRUMB (bread_crumb));
(* HILDON_BREAD_CRUMB_GET_IFACE (bread_crumb)->get_natural_size) (bread_crumb, width, height);
}
/**
* hildon_bread_crumb_activated:
* @bread_crumb: a #HildonBreadCrumb
*
* Emits the "crumb-activated" signal. The signal is meant to indicate that
* the user has interacted with the bread crumb.
**/
void
hildon_bread_crumb_activated (HildonBreadCrumb *bread_crumb)
{
g_return_if_fail (HILDON_IS_BREAD_CRUMB (bread_crumb));
g_signal_emit_by_name (bread_crumb, "crumb-activated");
}
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