#include "egg-action-group.h"
#include "egg-toggle-action.h"
#include "egg-radio-action.h"
#ifndef _
# define _(s) (s)
#endif
static void egg_action_group_init (EggActionGroup *self);
static void egg_action_group_class_init (EggActionGroupClass *class);
GType
egg_action_group_get_type (void)
{
static GType type = 0;
if (!type)
{
static const GTypeInfo type_info =
{
sizeof (EggActionGroupClass),
(GBaseInitFunc) egg_action_group_init,
(GBaseFinalizeFunc) NULL,
(GClassInitFunc) egg_action_group_class_init,
(GClassFinalizeFunc) NULL,
NULL,
sizeof (EggActionGroup),
0, /* n_preallocs */
(GInstanceInitFunc) egg_action_group_init,
};
type = g_type_register_static (G_TYPE_OBJECT, "EggActionGroup",
&type_info, 0);
}
return type;
}
static GObjectClass *parent_class = NULL;
static void egg_action_group_finalize (GObject *object);
static EggAction *egg_action_group_real_get_action (EggActionGroup *self,
const gchar *name);
static void
egg_action_group_class_init (EggActionGroupClass *class)
{
GObjectClass *object_class;
object_class = G_OBJECT_CLASS (class);
parent_class = g_type_class_peek_parent (class);
object_class->finalize = egg_action_group_finalize;
class->get_action = egg_action_group_real_get_action;
}
static void
egg_action_group_init (EggActionGroup *self)
{
self->name = NULL;
self->actions = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
(GDestroyNotify) g_object_unref);
}
/**
* egg_action_group_new:
* @name: the name of the action group
*
* Creates a new EggActionGroup object.
*
* Returns: the new EggActionGroup
*/
EggActionGroup *
egg_action_group_new(const gchar *name)
{
EggActionGroup *self;
self = g_object_new (EGG_TYPE_ACTION_GROUP, NULL);
self->name = g_strdup (name);
return self;
}
static void
egg_action_group_finalize (GObject *object)
{
EggActionGroup *self;
self = EGG_ACTION_GROUP (object);
g_free (self->name);
self->name = NULL;
g_hash_table_destroy (self->actions);
self->actions = NULL;
if (parent_class->finalize)
(* parent_class->finalize) (object);
}
static EggAction *
egg_action_group_real_get_action (EggActionGroup *self,
const gchar *action_name)
{
return g_hash_table_lookup (self->actions, action_name);
}
/**
* egg_action_group_get_name:
* @action_group: the action group
*
* Returns: the name of the EggActionGroup
*/
const gchar *
egg_action_group_get_name (EggActionGroup *action_group)
{
g_return_val_if_fail (EGG_IS_ACTION_GROUP (action_group), NULL);
return action_group->name;
}
/**
* egg_action_group_get_action:
* @action_group: the action group
* @action_name: the name of the action
*
* This function looks up an action in the action group by name.
*
* Returns: the action, or NULL if no action by that name exists
*/
EggAction *
egg_action_group_get_action (EggActionGroup *action_group,
const gchar *action_name)
{
g_return_val_if_fail (EGG_IS_ACTION_GROUP (action_group), NULL);
g_return_val_if_fail (EGG_ACTION_GROUP_GET_CLASS (action_group)->get_action != NULL, NULL);
return (* EGG_ACTION_GROUP_GET_CLASS (action_group)->get_action)
(action_group, action_name);
}
/**
* egg_action_group_add_action:
* @action_group: the action group
* @action: an action
*
* This function adds an action object to the action group.
*/
void
egg_action_group_add_action (EggActionGroup *action_group,
EggAction *action)
{
g_return_if_fail (EGG_IS_ACTION_GROUP (action_group));
g_return_if_fail (EGG_IS_ACTION (action));
g_return_if_fail (action->name != NULL);
g_hash_table_insert (action_group->actions, g_strdup (action->name),
g_object_ref (action));
}
/**
* egg_action_group_removes_action:
* @action_group: the action group
* @action: an action
*
* This function removes an action object to the action group.
*/
void
egg_action_group_remove_action (EggActionGroup *action_group,
EggAction *action)
{
g_return_if_fail (EGG_IS_ACTION_GROUP (action_group));
g_return_if_fail (EGG_IS_ACTION (action));
g_return_if_fail (action->name != NULL);
/* extra protection to make sure action->name is valid */
g_object_ref (action);
g_hash_table_remove (action_group->actions, action->name);
g_object_unref (action);
}
static void
add_single_action (gpointer key, gpointer value, gpointer user_data)
{
GList **list = user_data;
*list = g_list_prepend (*list, value);
}
/**
* egg_action_group_list_actions:
* @action_group: the action group
*
* Lists the actions in the action group.
*
* Returns: an allocated list of the action objects in the action group
*/
GList *
egg_action_group_list_actions (EggActionGroup *action_group)
{
GList *actions = NULL;
g_hash_table_foreach (action_group->actions, add_single_action, &actions);
return g_list_reverse (actions);
}
/**
* egg_action_group_add_actions:
* @action_group: the action group
* @entries: an array of action descriptions
* @n_entries: the number of entries
*
* This is a convenience routine to create a number of actions and add
* them to the action group. Each member of the array describes an
* action to create.
*/
void
egg_action_group_add_actions (EggActionGroup *action_group,
EggActionGroupEntry *entries,
guint n_entries)
{
guint i;
for (i = 0; i < n_entries; i++)
{
EggAction *action;
GType action_type;
gchar *accel_path;
switch (entries[i].entry_type) {
case NORMAL_ACTION:
action_type = EGG_TYPE_ACTION;
break;
case TOGGLE_ACTION:
action_type = EGG_TYPE_TOGGLE_ACTION;
break;
case RADIO_ACTION:
action_type = EGG_TYPE_RADIO_ACTION;
break;
default:
g_warning ("unsupported action type");
action_type = EGG_TYPE_ACTION;
}
action = g_object_new (action_type,
"name", entries[i].name,
"label", _(entries[i].label),
"tooltip", _(entries[i].tooltip),
"stock_id", entries[i].stock_id,
NULL);
if (entries[i].entry_type == RADIO_ACTION &&
entries[i].extra_data != NULL)
{
EggAction *radio_action;
GSList *group;
radio_action =
egg_action_group_get_action (EGG_ACTION_GROUP (action_group),
entries[i].extra_data);
if (radio_action)
{
group = egg_radio_action_get_group (EGG_RADIO_ACTION (radio_action));
egg_radio_action_set_group (EGG_RADIO_ACTION (action), group);
}
else
g_warning (G_STRLOC " could not look up `%s'", entries[i].extra_data);
}
if (entries[i].callback)
g_signal_connect (action, "activate",
entries[i].callback, entries[i].user_data);
/* set the accel path for the menu item */
accel_path = g_strconcat ("<Actions>/", action_group->name, "/",
entries[i].name, NULL);
if (entries[i].accelerator)
{
guint accel_key = 0;
GdkModifierType accel_mods;
gtk_accelerator_parse (entries[i].accelerator, &accel_key,
&accel_mods);
if (accel_key)
gtk_accel_map_add_entry (accel_path, accel_key, accel_mods);
}
egg_action_set_accel_path (action, accel_path);
g_free(accel_path);
egg_action_group_add_action (action_group, action);
g_object_unref (action);
}
}
