glib/gio/gmenumodel.h
2014-09-16 14:52:21 -06:00

306 lines
14 KiB
C

/*
* Copyright © 2011 Canonical Ltd.
*
* 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
* licence, 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/>.
*
* Author: Ryan Lortie <desrt@desrt.ca>
*/
#ifndef __G_MENU_MODEL_H__
#define __G_MENU_MODEL_H__
#include <glib-object.h>
#include <gio/giotypes.h>
G_BEGIN_DECLS
/**
* G_MENU_ATTRIBUTE_ACTION:
*
* The menu item attribute which holds the action name of the item. Action
* names are namespaced with an identifier for the action group in which the
* action resides. For example, "win." for window-specific actions and "app."
* for application-wide actions.
*
* See also g_menu_model_get_item_attribute() and g_menu_item_set_attribute().
*
* Since: 2.32
**/
#define G_MENU_ATTRIBUTE_ACTION "action"
/**
* G_MENU_ATTRIBUTE_ACTION_NAMESPACE:
*
* The menu item attribute that holds the namespace for all action names in
* menus that are linked from this item.
*
* Since: 2.36
**/
#define G_MENU_ATTRIBUTE_ACTION_NAMESPACE "action-namespace"
/**
* G_MENU_ATTRIBUTE_TARGET:
*
* The menu item attribute which holds the target with which the item's action
* will be activated.
*
* See also g_menu_item_set_action_and_target()
*
* Since: 2.32
**/
#define G_MENU_ATTRIBUTE_TARGET "target"
/**
* G_MENU_ATTRIBUTE_LABEL:
*
* The menu item attribute which holds the label of the item.
*
* Since: 2.32
**/
#define G_MENU_ATTRIBUTE_LABEL "label"
/**
* G_MENU_ATTRIBUTE_ICON:
*
* The menu item attribute which holds the icon of the item.
*
* The icon is stored in the format returned by g_icon_serialize().
*
* This attribute is intended only to represent 'noun' icons such as
* favicons for a webpage, or application icons. It should not be used
* for 'verbs' (ie: stock icons).
*
* Since: 2.38
**/
#define G_MENU_ATTRIBUTE_ICON "icon"
/**
* G_MENU_LINK_SUBMENU:
*
* The name of the link that associates a menu item with a submenu.
*
* See also g_menu_item_set_link().
*
* Since: 2.32
**/
#define G_MENU_LINK_SUBMENU "submenu"
/**
* G_MENU_LINK_SECTION:
*
* The name of the link that associates a menu item with a section. The linked
* menu will usually be shown in place of the menu item, using the item's label
* as a header.
*
* See also g_menu_item_set_link().
*
* Since: 2.32
**/
#define G_MENU_LINK_SECTION "section"
#define G_TYPE_MENU_MODEL (g_menu_model_get_type ())
#define G_MENU_MODEL(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_MENU_MODEL, GMenuModel))
#define G_MENU_MODEL_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
G_TYPE_MENU_MODEL, GMenuModelClass))
#define G_IS_MENU_MODEL(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_MENU_MODEL))
#define G_IS_MENU_MODEL_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
G_TYPE_MENU_MODEL))
#define G_MENU_MODEL_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_MENU_MODEL, GMenuModelClass))
typedef struct _GMenuModelPrivate GMenuModelPrivate;
typedef struct _GMenuModelClass GMenuModelClass;
typedef struct _GMenuAttributeIterPrivate GMenuAttributeIterPrivate;
typedef struct _GMenuAttributeIterClass GMenuAttributeIterClass;
typedef struct _GMenuAttributeIter GMenuAttributeIter;
typedef struct _GMenuLinkIterPrivate GMenuLinkIterPrivate;
typedef struct _GMenuLinkIterClass GMenuLinkIterClass;
typedef struct _GMenuLinkIter GMenuLinkIter;
struct _GMenuModel
{
GObject parent_instance;
GMenuModelPrivate *priv;
};
/**
* GMenuModelClass::get_item_attributes:
* @model: the #GMenuModel to query
* @item_index: The #GMenuItem to query
* @attributes: (out) (element-type utf8 GLib.Variant): Attributes on the item
*
* Gets all the attributes associated with the item in the menu model.
*/
/**
* GMenuModelClass::get_item_links:
* @model: the #GMenuModel to query
* @item_index: The #GMenuItem to query
* @links: (out) (element-type utf8 Gio.MenuModel): Links from the item
*
* Gets all the links associated with the item in the menu model.
*/
struct _GMenuModelClass
{
GObjectClass parent_class;
gboolean (*is_mutable) (GMenuModel *model);
gint (*get_n_items) (GMenuModel *model);
void (*get_item_attributes) (GMenuModel *model,
gint item_index,
GHashTable **attributes);
GMenuAttributeIter * (*iterate_item_attributes) (GMenuModel *model,
gint item_index);
GVariant * (*get_item_attribute_value) (GMenuModel *model,
gint item_index,
const gchar *attribute,
const GVariantType *expected_type);
void (*get_item_links) (GMenuModel *model,
gint item_index,
GHashTable **links);
GMenuLinkIter * (*iterate_item_links) (GMenuModel *model,
gint item_index);
GMenuModel * (*get_item_link) (GMenuModel *model,
gint item_index,
const gchar *link);
};
GLIB_AVAILABLE_IN_2_32
GType g_menu_model_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_32
gboolean g_menu_model_is_mutable (GMenuModel *model);
GLIB_AVAILABLE_IN_2_32
gint g_menu_model_get_n_items (GMenuModel *model);
GLIB_AVAILABLE_IN_2_32
GMenuAttributeIter * g_menu_model_iterate_item_attributes (GMenuModel *model,
gint item_index);
GLIB_AVAILABLE_IN_2_32
GVariant * g_menu_model_get_item_attribute_value (GMenuModel *model,
gint item_index,
const gchar *attribute,
const GVariantType *expected_type);
GLIB_AVAILABLE_IN_2_32
gboolean g_menu_model_get_item_attribute (GMenuModel *model,
gint item_index,
const gchar *attribute,
const gchar *format_string,
...);
GLIB_AVAILABLE_IN_2_32
GMenuLinkIter * g_menu_model_iterate_item_links (GMenuModel *model,
gint item_index);
GLIB_AVAILABLE_IN_2_32
GMenuModel * g_menu_model_get_item_link (GMenuModel *model,
gint item_index,
const gchar *link);
GLIB_AVAILABLE_IN_2_32
void g_menu_model_items_changed (GMenuModel *model,
gint position,
gint removed,
gint added);
#define G_TYPE_MENU_ATTRIBUTE_ITER (g_menu_attribute_iter_get_type ())
#define G_MENU_ATTRIBUTE_ITER(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_MENU_ATTRIBUTE_ITER, GMenuAttributeIter))
#define G_MENU_ATTRIBUTE_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
G_TYPE_MENU_ATTRIBUTE_ITER, GMenuAttributeIterClass))
#define G_IS_MENU_ATTRIBUTE_ITER(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_MENU_ATTRIBUTE_ITER))
#define G_IS_MENU_ATTRIBUTE_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
G_TYPE_MENU_ATTRIBUTE_ITER))
#define G_MENU_ATTRIBUTE_ITER_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_MENU_ATTRIBUTE_ITER, GMenuAttributeIterClass))
struct _GMenuAttributeIter
{
GObject parent_instance;
GMenuAttributeIterPrivate *priv;
};
struct _GMenuAttributeIterClass
{
GObjectClass parent_class;
gboolean (*get_next) (GMenuAttributeIter *iter,
const gchar **out_name,
GVariant **value);
};
GLIB_AVAILABLE_IN_2_32
GType g_menu_attribute_iter_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_32
gboolean g_menu_attribute_iter_get_next (GMenuAttributeIter *iter,
const gchar **out_name,
GVariant **value);
GLIB_AVAILABLE_IN_2_32
gboolean g_menu_attribute_iter_next (GMenuAttributeIter *iter);
GLIB_AVAILABLE_IN_2_32
const gchar * g_menu_attribute_iter_get_name (GMenuAttributeIter *iter);
GLIB_AVAILABLE_IN_2_32
GVariant * g_menu_attribute_iter_get_value (GMenuAttributeIter *iter);
#define G_TYPE_MENU_LINK_ITER (g_menu_link_iter_get_type ())
#define G_MENU_LINK_ITER(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_MENU_LINK_ITER, GMenuLinkIter))
#define G_MENU_LINK_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
G_TYPE_MENU_LINK_ITER, GMenuLinkIterClass))
#define G_IS_MENU_LINK_ITER(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_MENU_LINK_ITER))
#define G_IS_MENU_LINK_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
G_TYPE_MENU_LINK_ITER))
#define G_MENU_LINK_ITER_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_MENU_LINK_ITER, GMenuLinkIterClass))
struct _GMenuLinkIter
{
GObject parent_instance;
GMenuLinkIterPrivate *priv;
};
struct _GMenuLinkIterClass
{
GObjectClass parent_class;
gboolean (*get_next) (GMenuLinkIter *iter,
const gchar **out_link,
GMenuModel **value);
};
GLIB_AVAILABLE_IN_2_32
GType g_menu_link_iter_get_type (void) G_GNUC_CONST;
GLIB_AVAILABLE_IN_2_32
gboolean g_menu_link_iter_get_next (GMenuLinkIter *iter,
const gchar **out_link,
GMenuModel **value);
GLIB_AVAILABLE_IN_2_32
gboolean g_menu_link_iter_next (GMenuLinkIter *iter);
GLIB_AVAILABLE_IN_2_32
const gchar * g_menu_link_iter_get_name (GMenuLinkIter *iter);
GLIB_AVAILABLE_IN_2_32
GMenuModel * g_menu_link_iter_get_value (GMenuLinkIter *iter);
G_END_DECLS
#endif /* __G_MENU_MODEL_H__ */