mirror of https://gitee.com/openkylin/glib2.0.git
308 lines
14 KiB
C
308 lines
14 KiB
C
/*
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* Copyright © 2011 Canonical Ltd.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#ifndef __G_MENU_MODEL_H__
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#define __G_MENU_MODEL_H__
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#include <glib-object.h>
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#include <gio/giotypes.h>
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G_BEGIN_DECLS
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/**
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* G_MENU_ATTRIBUTE_ACTION:
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*
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* The menu item attribute which holds the action name of the item. Action
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* names are namespaced with an identifier for the action group in which the
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* action resides. For example, "win." for window-specific actions and "app."
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* for application-wide actions.
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*
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* See also g_menu_model_get_item_attribute() and g_menu_item_set_attribute().
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*
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* Since: 2.32
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**/
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#define G_MENU_ATTRIBUTE_ACTION "action"
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/**
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* G_MENU_ATTRIBUTE_ACTION_NAMESPACE:
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*
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* The menu item attribute that holds the namespace for all action names in
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* menus that are linked from this item.
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*
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* Since: 2.36
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**/
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#define G_MENU_ATTRIBUTE_ACTION_NAMESPACE "action-namespace"
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/**
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* G_MENU_ATTRIBUTE_TARGET:
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*
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* The menu item attribute which holds the target with which the item's action
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* will be activated.
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*
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* See also g_menu_item_set_action_and_target()
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*
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* Since: 2.32
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**/
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#define G_MENU_ATTRIBUTE_TARGET "target"
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/**
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* G_MENU_ATTRIBUTE_LABEL:
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*
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* The menu item attribute which holds the label of the item.
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*
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* Since: 2.32
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**/
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#define G_MENU_ATTRIBUTE_LABEL "label"
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/**
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* G_MENU_ATTRIBUTE_ICON:
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*
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* The menu item attribute which holds the icon of the item.
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*
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* The icon is stored in the format returned by g_icon_serialize().
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*
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* This attribute is intended only to represent 'noun' icons such as
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* favicons for a webpage, or application icons. It should not be used
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* for 'verbs' (ie: stock icons).
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*
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* Since: 2.38
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**/
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#define G_MENU_ATTRIBUTE_ICON "icon"
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/**
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* G_MENU_LINK_SUBMENU:
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*
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* The name of the link that associates a menu item with a submenu.
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*
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* See also g_menu_item_set_link().
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*
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* Since: 2.32
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**/
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#define G_MENU_LINK_SUBMENU "submenu"
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/**
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* G_MENU_LINK_SECTION:
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*
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* The name of the link that associates a menu item with a section. The linked
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* menu will usually be shown in place of the menu item, using the item's label
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* as a header.
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*
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* See also g_menu_item_set_link().
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*
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* Since: 2.32
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**/
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#define G_MENU_LINK_SECTION "section"
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#define G_TYPE_MENU_MODEL (g_menu_model_get_type ())
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#define G_MENU_MODEL(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
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G_TYPE_MENU_MODEL, GMenuModel))
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#define G_MENU_MODEL_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
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G_TYPE_MENU_MODEL, GMenuModelClass))
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#define G_IS_MENU_MODEL(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
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G_TYPE_MENU_MODEL))
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#define G_IS_MENU_MODEL_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
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G_TYPE_MENU_MODEL))
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#define G_MENU_MODEL_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
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G_TYPE_MENU_MODEL, GMenuModelClass))
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typedef struct _GMenuModelPrivate GMenuModelPrivate;
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typedef struct _GMenuModelClass GMenuModelClass;
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typedef struct _GMenuAttributeIterPrivate GMenuAttributeIterPrivate;
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typedef struct _GMenuAttributeIterClass GMenuAttributeIterClass;
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typedef struct _GMenuAttributeIter GMenuAttributeIter;
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typedef struct _GMenuLinkIterPrivate GMenuLinkIterPrivate;
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typedef struct _GMenuLinkIterClass GMenuLinkIterClass;
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typedef struct _GMenuLinkIter GMenuLinkIter;
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struct _GMenuModel
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{
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GObject parent_instance;
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GMenuModelPrivate *priv;
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};
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/**
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* GMenuModelClass::get_item_attributes:
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* @model: the #GMenuModel to query
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* @item_index: The #GMenuItem to query
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* @attributes: (out) (element-type utf8 GLib.Variant): Attributes on the item
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*
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* Gets all the attributes associated with the item in the menu model.
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*/
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/**
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* GMenuModelClass::get_item_links:
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* @model: the #GMenuModel to query
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* @item_index: The #GMenuItem to query
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* @links: (out) (element-type utf8 Gio.MenuModel): Links from the item
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*
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* Gets all the links associated with the item in the menu model.
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*/
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struct _GMenuModelClass
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{
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GObjectClass parent_class;
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gboolean (*is_mutable) (GMenuModel *model);
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gint (*get_n_items) (GMenuModel *model);
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void (*get_item_attributes) (GMenuModel *model,
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gint item_index,
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GHashTable **attributes);
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GMenuAttributeIter * (*iterate_item_attributes) (GMenuModel *model,
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gint item_index);
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GVariant * (*get_item_attribute_value) (GMenuModel *model,
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gint item_index,
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const gchar *attribute,
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const GVariantType *expected_type);
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void (*get_item_links) (GMenuModel *model,
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gint item_index,
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GHashTable **links);
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GMenuLinkIter * (*iterate_item_links) (GMenuModel *model,
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gint item_index);
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GMenuModel * (*get_item_link) (GMenuModel *model,
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gint item_index,
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const gchar *link);
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};
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GLIB_AVAILABLE_IN_2_32
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GType g_menu_model_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_2_32
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gboolean g_menu_model_is_mutable (GMenuModel *model);
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GLIB_AVAILABLE_IN_2_32
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gint g_menu_model_get_n_items (GMenuModel *model);
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GLIB_AVAILABLE_IN_2_32
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GMenuAttributeIter * g_menu_model_iterate_item_attributes (GMenuModel *model,
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gint item_index);
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GLIB_AVAILABLE_IN_2_32
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GVariant * g_menu_model_get_item_attribute_value (GMenuModel *model,
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gint item_index,
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const gchar *attribute,
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const GVariantType *expected_type);
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GLIB_AVAILABLE_IN_2_32
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gboolean g_menu_model_get_item_attribute (GMenuModel *model,
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gint item_index,
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const gchar *attribute,
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const gchar *format_string,
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...);
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GLIB_AVAILABLE_IN_2_32
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GMenuLinkIter * g_menu_model_iterate_item_links (GMenuModel *model,
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gint item_index);
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GLIB_AVAILABLE_IN_2_32
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GMenuModel * g_menu_model_get_item_link (GMenuModel *model,
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gint item_index,
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const gchar *link);
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GLIB_AVAILABLE_IN_2_32
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void g_menu_model_items_changed (GMenuModel *model,
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gint position,
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gint removed,
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gint added);
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#define G_TYPE_MENU_ATTRIBUTE_ITER (g_menu_attribute_iter_get_type ())
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#define G_MENU_ATTRIBUTE_ITER(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
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G_TYPE_MENU_ATTRIBUTE_ITER, GMenuAttributeIter))
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#define G_MENU_ATTRIBUTE_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
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G_TYPE_MENU_ATTRIBUTE_ITER, GMenuAttributeIterClass))
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#define G_IS_MENU_ATTRIBUTE_ITER(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
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G_TYPE_MENU_ATTRIBUTE_ITER))
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#define G_IS_MENU_ATTRIBUTE_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
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G_TYPE_MENU_ATTRIBUTE_ITER))
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#define G_MENU_ATTRIBUTE_ITER_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
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G_TYPE_MENU_ATTRIBUTE_ITER, GMenuAttributeIterClass))
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struct _GMenuAttributeIter
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{
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GObject parent_instance;
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GMenuAttributeIterPrivate *priv;
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};
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struct _GMenuAttributeIterClass
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{
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GObjectClass parent_class;
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gboolean (*get_next) (GMenuAttributeIter *iter,
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const gchar **out_name,
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GVariant **value);
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};
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GLIB_AVAILABLE_IN_2_32
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GType g_menu_attribute_iter_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_2_32
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gboolean g_menu_attribute_iter_get_next (GMenuAttributeIter *iter,
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const gchar **out_name,
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GVariant **value);
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GLIB_AVAILABLE_IN_2_32
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gboolean g_menu_attribute_iter_next (GMenuAttributeIter *iter);
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GLIB_AVAILABLE_IN_2_32
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const gchar * g_menu_attribute_iter_get_name (GMenuAttributeIter *iter);
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GLIB_AVAILABLE_IN_2_32
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GVariant * g_menu_attribute_iter_get_value (GMenuAttributeIter *iter);
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#define G_TYPE_MENU_LINK_ITER (g_menu_link_iter_get_type ())
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#define G_MENU_LINK_ITER(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
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G_TYPE_MENU_LINK_ITER, GMenuLinkIter))
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#define G_MENU_LINK_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
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G_TYPE_MENU_LINK_ITER, GMenuLinkIterClass))
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#define G_IS_MENU_LINK_ITER(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
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G_TYPE_MENU_LINK_ITER))
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#define G_IS_MENU_LINK_ITER_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
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G_TYPE_MENU_LINK_ITER))
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#define G_MENU_LINK_ITER_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
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G_TYPE_MENU_LINK_ITER, GMenuLinkIterClass))
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struct _GMenuLinkIter
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{
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GObject parent_instance;
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GMenuLinkIterPrivate *priv;
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};
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struct _GMenuLinkIterClass
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{
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GObjectClass parent_class;
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gboolean (*get_next) (GMenuLinkIter *iter,
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const gchar **out_link,
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GMenuModel **value);
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};
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GLIB_AVAILABLE_IN_2_32
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GType g_menu_link_iter_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_2_32
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gboolean g_menu_link_iter_get_next (GMenuLinkIter *iter,
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const gchar **out_link,
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GMenuModel **value);
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GLIB_AVAILABLE_IN_2_32
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gboolean g_menu_link_iter_next (GMenuLinkIter *iter);
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GLIB_AVAILABLE_IN_2_32
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const gchar * g_menu_link_iter_get_name (GMenuLinkIter *iter);
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GLIB_AVAILABLE_IN_2_32
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GMenuModel * g_menu_link_iter_get_value (GMenuLinkIter *iter);
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G_END_DECLS
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#endif /* __G_MENU_MODEL_H__ */
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