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#include "egg-radio-action.h"
static void egg_radio_action_init (EggRadioAction *action);
static void egg_radio_action_class_init (EggRadioActionClass *class);
GType
egg_radio_action_get_type (void)
{
static GtkType type = 0;
if (!type)
{
static const GTypeInfo type_info =
{
sizeof (EggRadioActionClass),
(GBaseInitFunc) NULL,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) egg_radio_action_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (EggRadioAction),
0, /* n_preallocs */
(GInstanceInitFunc) egg_radio_action_init,
};
type = g_type_register_static (EGG_TYPE_TOGGLE_ACTION,
"EggRadioAction",
&type_info, 0);
}
return type;
}
static void egg_radio_action_finalize (GObject *object);
static void egg_radio_action_activate (EggAction *action);
static GObjectClass *parent_class = NULL;
static void
egg_radio_action_class_init (EggRadioActionClass *class)
{
GObjectClass *object_class;
EggActionClass *action_class;
parent_class = g_type_class_peek_parent (class);
object_class = G_OBJECT_CLASS (class);
action_class = EGG_ACTION_CLASS (class);
object_class->finalize = egg_radio_action_finalize;
action_class->activate = egg_radio_action_activate;
}
static void
egg_radio_action_init (EggRadioAction *action)
{
action->group = g_slist_prepend (NULL, action);
}
static void
egg_radio_action_finalize (GObject *object)
{
EggRadioAction *action;
GSList *tmp_list;
g_return_if_fail (EGG_IS_RADIO_ACTION (object));
action = EGG_RADIO_ACTION (object);
action->group = g_slist_remove (action->group, action);
tmp_list = action->group;
while (tmp_list)
{
EggRadioAction *tmp_action = tmp_list->data;
tmp_list = tmp_list->next;
tmp_action->group = action->group;
}
if (parent_class->finalize)
(* parent_class->finalize) (object);
}
static void
egg_radio_action_activate (EggAction *action)
{
EggRadioAction *radio_action;
EggToggleAction *toggle_action;
EggToggleAction *tmp_action;
GSList *tmp_list;
g_return_if_fail (EGG_IS_RADIO_ACTION (action));
radio_action = EGG_RADIO_ACTION (action);
toggle_action = EGG_TOGGLE_ACTION (action);
if (toggle_action->active)
{
tmp_list = radio_action->group;
while (tmp_list)
{
tmp_action = tmp_list->data;
tmp_list = tmp_list->next;
if (tmp_action->active && (tmp_action != toggle_action))
{
toggle_action->active = !toggle_action->active;
break;
}
}
}
else
{
toggle_action->active = !toggle_action->active;
tmp_list = radio_action->group;
while (tmp_list)
{
tmp_action = tmp_list->data;
tmp_list = tmp_list->next;
if (tmp_action->active && (tmp_action != toggle_action))
{
egg_action_activate (EGG_ACTION (tmp_action));
break;
}
}
}
egg_toggle_action_toggled (toggle_action);
}
/**
* egg_radio_action_get_group:
* @action: the action object
*
* Returns: the list representing the radio group for this object
*/
GSList *
egg_radio_action_get_group (EggRadioAction *action)
{
g_return_val_if_fail (EGG_IS_RADIO_ACTION (action), NULL);
return action->group;
}
/**
* egg_radio_action_set_group:
* @action: the action object
* @group: a list representing a radio group
*
* Sets the radio group for the radio action object.
*/
void
egg_radio_action_set_group (EggRadioAction *action, GSList *group)
{
g_return_if_fail (EGG_IS_RADIO_ACTION (action));
g_return_if_fail (!g_slist_find (group, action));
if (action->group)
{
GSList *slist;
action->group = g_slist_remove (action->group, action);
for (slist = action->group; slist; slist = slist->next)
{
EggRadioAction *tmp_action = slist->data;
tmp_action->group = action->group;
}
}
action->group = g_slist_prepend (group, action);
if (group)
{
GSList *slist;
for (slist = action->group; slist; slist = slist->next)
{
EggRadioAction *tmp_action = slist->data;
tmp_action->group = action->group;
}
}
else
{
EGG_TOGGLE_ACTION (action)->active = TRUE;
}
}
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