Learning_GTK4_tree/gtk/gtkaccessibleprivate.h

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2023-12-12 11:36:42 +01:00
/* gtkaccessibleprivate.h: Accessible interface
*
* Copyright 2020 GNOME Foundation
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* 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 2.1 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/>.
*/
#pragma once
#include "gtkaccessible.h"
G_BEGIN_DECLS
/* < private >
* GtkAccessiblePlatformChange:
* @GTK_ACCESSIBLE_PLATFORM_CHANGE_FOCUSABLE: whether the accessible has changed
* its focusable state
* @GTK_ACCESSIBLE_PLATFORM_CHANGE_FOCUSED: whether the accessible has changed its
* focused state
* @GTK_ACCESSIBLE_PLATFORM_CHANGE_ACTIVE: whether the accessible has changed its
* active state
*
* Represents the various platform changes which can occur and are communicated
* using [method@Gtk.Accessible.platform_changed].
*/
typedef enum {
GTK_ACCESSIBLE_PLATFORM_CHANGE_FOCUSABLE = 1 << GTK_ACCESSIBLE_PLATFORM_STATE_FOCUSABLE,
GTK_ACCESSIBLE_PLATFORM_CHANGE_FOCUSED = 1 << GTK_ACCESSIBLE_PLATFORM_STATE_FOCUSED,
GTK_ACCESSIBLE_PLATFORM_CHANGE_ACTIVE = 1 << GTK_ACCESSIBLE_PLATFORM_STATE_ACTIVE,
} GtkAccessiblePlatformChange;
typedef enum {
GTK_ACCESSIBLE_CHILD_STATE_ADDED,
GTK_ACCESSIBLE_CHILD_STATE_REMOVED
} GtkAccessibleChildState;
typedef enum {
GTK_ACCESSIBLE_CHILD_CHANGE_ADDED = 1 << GTK_ACCESSIBLE_CHILD_STATE_ADDED,
GTK_ACCESSIBLE_CHILD_CHANGE_REMOVED = 1 << GTK_ACCESSIBLE_CHILD_STATE_REMOVED
} GtkAccessibleChildChange;
const char * gtk_accessible_role_to_name (GtkAccessibleRole role,
const char *domain);
gboolean gtk_accessible_role_is_range_subclass (GtkAccessibleRole role);
gboolean gtk_accessible_role_is_subclass (GtkAccessibleRole role,
GtkAccessibleRole superclass);
gboolean gtk_accessible_role_is_abstract (GtkAccessibleRole role);
/* < private >
* GtkAccessibleNaming:
* @GTK_ACCESSIBLE_NAME_ALLOWED:
* The role allows an accessible name and description
* @GTK_ACCESSIBLE_NAME_PROHIBITED:
* The role does not allow an accessible name and descirption
* @GTK_ACCESSIBLE_NAME_REQUIRED:
* The role requires an accessible name and description
* @GTK_ACCESSIBLE_NAME_RECOMMENDED:
* It is recommended to set the label property or labelled-by relation
* for this role
* @GTK_ACCESSIBLE_NAME_NOT_RECOMMENDED:
* It is recommended not to set the label property or labelled-by relation
* for this role
*
* Information about naming requirements for accessible roles.
*/
typedef enum {
GTK_ACCESSIBLE_NAME_ALLOWED,
GTK_ACCESSIBLE_NAME_PROHIBITED,
GTK_ACCESSIBLE_NAME_REQUIRED,
GTK_ACCESSIBLE_NAME_RECOMMENDED,
GTK_ACCESSIBLE_NAME_NOT_RECOMMENDED,
} GtkAccessibleNaming;
gboolean gtk_accessible_role_supports_name_from_author (GtkAccessibleRole role);
gboolean gtk_accessible_role_supports_name_from_content (GtkAccessibleRole role);
GtkAccessibleNaming gtk_accessible_role_get_naming (GtkAccessibleRole role);
gboolean gtk_accessible_should_present (GtkAccessible *self);
void gtk_accessible_update_children (GtkAccessible *self,
GtkAccessible *child,
GtkAccessibleChildState state);
void gtk_accessible_bounds_changed (GtkAccessible *self);
void gtk_accessible_platform_changed (GtkAccessible *self,
GtkAccessiblePlatformChange change);
G_END_DECLS