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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Authored By Matthew Allum <mallum@openedhand.com>
* Emmanuele Bassi <ebassi@openedhand.com>
*
* Copyright (C) 2006 OpenedHand
*
* 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 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/>.
*
*
*/
/**
* SECTION:clutter-scriptable
* @short_description: Override the UI definition parsing
*
* The #ClutterScriptableIface interface exposes the UI definition parsing
* process to external classes. By implementing this interface, a class can
* override the UI definition parsing and transform complex data types into
* GObject properties, or allow custom properties.
*
* #ClutterScriptable is available since Clutter 0.6
*/
#include "clutter-build-config.h"
#include <string.h>
#include <stdlib.h>
#include <glib.h>
#include "clutter-scriptable.h"
#include "clutter-script-private.h"
#include "clutter-private.h"
#include "clutter-debug.h"
typedef ClutterScriptableIface ClutterScriptableInterface;
G_DEFINE_INTERFACE (ClutterScriptable, clutter_scriptable, G_TYPE_OBJECT);
static void
clutter_scriptable_default_init (ClutterScriptableInterface *iface)
{
}
/**
* clutter_scriptable_set_id:
* @scriptable: a #ClutterScriptable
* @id_: the #ClutterScript id of the object
*
* Sets @id_ as the unique Clutter script it for this instance of
* #ClutterScriptableIface.
*
* This name can be used by user interface designer applications to
* define a unique name for an object constructable using the UI
* definition language parsed by #ClutterScript.
*
* Since: 0.6
*/
void
clutter_scriptable_set_id (ClutterScriptable *scriptable,
const gchar *id_)
{
ClutterScriptableIface *iface;
g_return_if_fail (CLUTTER_IS_SCRIPTABLE (scriptable));
g_return_if_fail (id_ != NULL);
iface = CLUTTER_SCRIPTABLE_GET_IFACE (scriptable);
if (iface->set_id)
iface->set_id (scriptable, id_);
else
g_object_set_data_full (G_OBJECT (scriptable),
"clutter-script-id",
g_strdup (id_),
g_free);
}
/**
* clutter_scriptable_get_id:
* @scriptable: a #ClutterScriptable
*
* Retrieves the id of @scriptable set using clutter_scriptable_set_id().
*
* Return value: the id of the object. The returned string is owned by
* the scriptable object and should never be modified of freed
*
* Since: 0.6
*/
const gchar *
clutter_scriptable_get_id (ClutterScriptable *scriptable)
{
ClutterScriptableIface *iface;
g_return_val_if_fail (CLUTTER_IS_SCRIPTABLE (scriptable), NULL);
iface = CLUTTER_SCRIPTABLE_GET_IFACE (scriptable);
if (iface->get_id)
return iface->get_id (scriptable);
else
return g_object_get_data (G_OBJECT (scriptable), "clutter-script-id");
}
/**
* clutter_scriptable_parse_custom_node:
* @scriptable: a #ClutterScriptable
* @script: the #ClutterScript creating the scriptable instance
* @value: the generic value to be set
* @name: the name of the node
* @node: the JSON node to be parsed
*
* Parses the passed JSON node. The implementation must set the type
* of the passed #GValue pointer using g_value_init().
*
* Return value: %TRUE if the node was successfully parsed, %FALSE otherwise.
*
* Since: 0.6
*/
gboolean
clutter_scriptable_parse_custom_node (ClutterScriptable *scriptable,
ClutterScript *script,
GValue *value,
const gchar *name,
JsonNode *node)
{
ClutterScriptableIface *iface;
g_return_val_if_fail (CLUTTER_IS_SCRIPTABLE (scriptable), FALSE);
g_return_val_if_fail (CLUTTER_IS_SCRIPT (script), FALSE);
g_return_val_if_fail (name != NULL, FALSE);
g_return_val_if_fail (node != NULL, FALSE);
iface = CLUTTER_SCRIPTABLE_GET_IFACE (scriptable);
if (iface->parse_custom_node)
return iface->parse_custom_node (scriptable, script, value, name, node);
return FALSE;
}
/**
* clutter_scriptable_set_custom_property:
* @scriptable: a #ClutterScriptable
* @script: the #ClutterScript creating the scriptable instance
* @name: the name of the property
* @value: the value of the property
*
* Overrides the common properties setting. The underlying virtual
* function should be used when implementing custom properties.
*
* Since: 0.6
*/
void
clutter_scriptable_set_custom_property (ClutterScriptable *scriptable,
ClutterScript *script,
const gchar *name,
const GValue *value)
{
ClutterScriptableIface *iface;
g_return_if_fail (CLUTTER_IS_SCRIPTABLE (scriptable));
g_return_if_fail (CLUTTER_IS_SCRIPT (script));
g_return_if_fail (name != NULL);
g_return_if_fail (value != NULL);
iface = CLUTTER_SCRIPTABLE_GET_IFACE (scriptable);
if (iface->set_custom_property)
iface->set_custom_property (scriptable, script, name, value);
}
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