gtkmm: Gtk::Accessible Class Reference

Accessible interface. More...

#include <gtkmm/accessible.h>

Inheritance diagram for Gtk::Accessible:

[legend]

Public Types
enum class	Role { ALERT , ALERT_DIALOG , BANNER , BUTTON , CAPTION , CELL , CHECKBOX , COLUMN_HEADER , COMBO_BOX , COMMAND , COMPOSITE , DIALOG , DOCUMENT , FEED , FORM , GENERIC , GRID , GRID_CELL , GROUP , HEADING , IMG , INPUT , LABEL , LANDMARK , LEGEND , LINK , LIST , LIST_BOX , LIST_ITEM , LOG , MAIN , MARQUEE , MATH , METER , MENU , MENU_BAR , MENU_ITEM , MENU_ITEM_CHECKBOX , MENU_ITEM_RADIO , NAVIGATION , NONE , NOTE , OPTION , PRESENTATION , PROGRESS_BAR , RADIO , RADIO_GROUP , RANGE , REGION , ROW , ROW_GROUP , ROW_HEADER , SCROLLBAR , SEARCH , SEARCH_BOX , SECTION , SECTION_HEAD , SELECT , SEPARATOR , SLIDER , SPIN_BUTTON , STATUS , STRUCTURE , SWITCH , TAB , TABLE , TAB_LIST , TAB_PANEL , TEXT_BOX , TIME , TIMER , TOOLBAR , TOOLTIP , TREE , TREE_GRID , TREE_ITEM , WIDGET , WINDOW , TOGGLE_BUTTON , APPLICATION , PARAGRAPH , BLOCK_QUOTE , ARTICLE , COMMENT , TERMINAL }

enum class	State { BUSY , CHECKED , DISABLED , EXPANDED , HIDDEN , INVALID , PRESSED , SELECTED , VISITED }

enum class	Property { AUTOCOMPLETE , DESCRIPTION , HAS_POPUP , KEY_SHORTCUTS , LABEL , LEVEL , MODAL , MULTI_LINE , MULTI_SELECTABLE , ORIENTATION , PLACEHOLDER , READ_ONLY , REQUIRED , ROLE_DESCRIPTION , SORT , VALUE_MAX , VALUE_MIN , VALUE_NOW , VALUE_TEXT , HELP_TEXT }

enum class	Relation { ACTIVE_DESCENDANT , COL_COUNT , COL_INDEX , COL_INDEX_TEXT , COL_SPAN , CONTROLS , DESCRIBED_BY , DETAILS , ERROR_MESSAGE , FLOW_TO , LABELLED_BY , OWNS , POS_IN_SET , ROW_COUNT , ROW_INDEX , ROW_INDEX_TEXT , ROW_SPAN , SET_SIZE }

enum class	PlatformState { FOCUSABLE , FOCUSED , ACTIVE }

enum class	AnnouncementPriority { LOW , MEDIUM , HIGH }

Public Member Functions
	Accessible (Accessible &&src) noexcept

Accessible &	operator= (Accessible &&src) noexcept

	~Accessible () noexcept override

GtkAccessible *	gobj ()
	Provides access to the underlying C GObject.

const GtkAccessible *	gobj () const
	Provides access to the underlying C GObject.

Glib::RefPtr< ATContext >	get_at_context ()
	Retrieves the accessible implementation for the given `Gtk::Accessible`.

Glib::RefPtr< const ATContext >	get_at_context () const
	Retrieves the accessible implementation for the given `Gtk::Accessible`.

bool	get_platform_state (PlatformState state) const
	Query a platform state, such as focus.

Glib::RefPtr< Accessible >	get_accessible_parent ()
	Retrieves the accessible parent for an accessible object.

Glib::RefPtr< const Accessible >	get_accessible_parent () const
	Retrieves the accessible parent for an accessible object.

void	set_accessible_parent (const Glib::RefPtr< Accessible > & parent, const Glib::RefPtr< Accessible > &next_sibling)
	Sets the parent and sibling of an accessible object.

Glib::RefPtr< Accessible >	get_first_accessible_child ()
	Retrieves the first accessible child of an accessible object.

Glib::RefPtr< const Accessible >	get_first_accessible_child () const
	Retrieves the first accessible child of an accessible object.

Glib::RefPtr< Accessible >	get_next_accessible_sibling ()
	Retrieves the next accessible sibling of an accessible object.

Glib::RefPtr< const Accessible >	get_next_accessible_sibling () const
	Retrieves the next accessible sibling of an accessible object.

void	update_next_accessible_sibling (const Glib::RefPtr< Accessible > &new_sibling)
	Updates the next accessible sibling of self.

bool	get_bounds (int &x, int &y, int & width, int &height) const
	Queries the coordinates and dimensions of this accessible.

Role	get_accessible_role () const
	Retrieves the accessible role of an accessible object.

void	update_state (State state, const Glib::ValueBase & value)
	Updates an accessible state.

void	update_property (Property property, const Glib::ValueBase & value)
	Updates an accessible property.

void	update_relation (Relation relation, const Glib::ValueBase & value)
	Updates an accessible relation.

void	reset_state (State state)
	Resets the accessible state to its default value.

void	reset_property (Property property)
	Resets the accessible property to its default value.

void	reset_relation (Relation relation)
	Resets the accessible relation to its default value.

void	announce (const Glib::ustring & message, AnnouncementPriority priority)
	Requests the user's screen reader to announce the given message.

Glib::PropertyProxy< Role >	property_accessible_role ()
	The accessible role of the given `Gtk::Accessible` implementation.

Glib::PropertyProxy_ReadOnly< Role >	property_accessible_role () const
	The accessible role of the given `Gtk::Accessible` implementation.

Static Public Member Functions
static void	add_interface (GType gtype_implementer)

static GType	get_type ()
	Get the GType for this class, for use with the underlying GObject type system.

Protected Member Functions
	Accessible ()
	You should derive from this class to use it.

Related Symbols
(Note that these are not member symbols.)
Glib::RefPtr< Gtk::Accessible >	wrap (GtkAccessible *object, bool take_copy=false)
	A Glib::wrap() method for this object.

Detailed Description

Accessible interface.

Gtk::Accessible provides an interface for describing a UI element, like a Gtk::Widget, in a way that can be consumed by Assistive Technologies, or “AT”. Every accessible implementation has:

a “role”, represented by a value of the Gtk::Accessible::Role enumeration
an “attribute”, represented by a set of Gtk::Accessible::State, Gtk::Accessible::Property and Gtk::Accessible::Relation values

The role cannot be changed after instantiating a Gtk::Accessible implementation.

The attributes are updated every time a UI element's state changes in a way that should be reflected by assistive technologies. For instance, if a Gtk::Widget visibility changes, the Gtk::Accessible::State::HIDDEN state will also change to reflect Gtk::Widget::property_visible().

Since gtkmm 3.98:

Member Enumeration Documentation

◆ AnnouncementPriority

enum class Gtk::Accessible::AnnouncementPriority

strong

Enumerator

Enumerator
LOW	The announcement is low priority, and might be read only on the user's request.
MEDIUM	The announcement is of medium priority, and is usually spoken at the next opportunity, such as at the end of speaking the current sentence or when the user pauses typing.
HIGH	The announcement is of high priority, and is usually spoken immediately. Because an interruption might disorient users or cause them to not complete their current task, authors SHOULD NOT use high priority announcements unless the interruption is imperative. An example would be a notification about a critical battery power level.

LOW

The announcement is low priority, and might be read only on the user's request.

MEDIUM

The announcement is of medium priority, and is usually spoken at the next opportunity, such as at the end of speaking the current sentence or when the user pauses typing.

HIGH

The announcement is of high priority, and is usually spoken immediately.

Because an interruption might disorient users or cause them to not complete their current task, authors SHOULD NOT use high priority announcements unless the interruption is imperative. An example would be a notification about a critical battery power level.

◆ PlatformState

enum class Gtk::Accessible::PlatformState

strong

Enumerator
FOCUSABLE	Whether the accessible can be focused.
FOCUSED	Whether the accessible has focus.
ACTIVE	Whether the accessible is active.

◆ Property

enum class Gtk::Accessible::Property

strong

Enumerator
AUTOCOMPLETE	Indicates whether inputting text could trigger display of one or more predictions of the user's intended value for a combobox, searchbox, or textbox and specifies how predictions would be presented if they were made. Value type: Gtk::AccessibleAutocomplete.
DESCRIPTION	Defines a string value that describes or annotates the current element. Value type: string.
HAS_POPUP	Indicates the availability and type of interactive popup element, such as menu or dialog, that can be triggered by an element.
KEY_SHORTCUTS	Indicates keyboard shortcuts that an author has implemented to activate or give focus to an element. Value type: string.
LABEL
LEVEL	Defines the hierarchical level of an element within a structure. Value type: integer.
MODAL	Indicates whether an element is modal when displayed. Value type: boolean.
MULTI_LINE	Indicates whether a text box accepts multiple lines of input or only a single line. Value type: boolean.
MULTI_SELECTABLE	Indicates that the user may select more than one item from the current selectable descendants. Value type: boolean.
ORIENTATION	Indicates whether the element's orientation is horizontal, vertical, or unknown/ambiguous. Value type: Gtk::Orientation.
PLACEHOLDER	Defines a short hint (a word or short phrase) intended to aid the user with data entry when the control has no value. A hint could be a sample value or a brief description of the expected format. Value type: string.
READ_ONLY	Indicates that the element is not editable, but is otherwise operable. Value type: boolean.
REQUIRED	Indicates that user input is required on the element before a form may be submitted. Value type: boolean.
ROLE_DESCRIPTION	Defines a human-readable, author-localized description for the role of an element. Value type: string.
SORT	Indicates if items in a table or grid are sorted in ascending or descending order. Value type: Gtk::AccessibleSort.
VALUE_MAX	Defines the maximum allowed value for a range widget. Value type: double.
VALUE_MIN	Defines the minimum allowed value for a range widget. Value type: double.
VALUE_NOW	Defines the current value for a range widget. Value type: double.
VALUE_TEXT	Defines the human readable text alternative of aria-valuenow for a range widget. Value type: string.
HELP_TEXT

◆ Relation

enum class Gtk::Accessible::Relation

strong

Enumerator
ACTIVE_DESCENDANT	Identifies the currently active element when focus is on a composite widget, combobox, textbox, group, or application. Value type: reference.
COL_COUNT	Defines the total number of columns in a table, grid, or treegrid. Value type: integer.
COL_INDEX	Defines an element's column index or position with respect to the total number of columns within a table, grid, or treegrid. Value type: integer.
COL_INDEX_TEXT	Defines a human readable text alternative of Gtk::Accessible::Relation::COL_INDEX. Value type: string.
COL_SPAN	Defines the number of columns spanned by a cell or gridcell within a table, grid, or treegrid. Value type: integer.
CONTROLS	Identifies the element (or elements) whose contents or presence are controlled by the current element. Value type: reference.
DESCRIBED_BY	Identifies the element (or elements) that describes the object. Value type: reference.
DETAILS	Identifies the element (or elements) that provide additional information related to the object. Value type: reference.
ERROR_MESSAGE	Identifies the element (or elements) that provide an error message for an object. Value type: reference.
FLOW_TO	Identifies the next element (or elements) in an alternate reading order of content which, at the user's discretion, allows assistive technology to override the general default of reading in document source order. Value type: reference.
LABELLED_BY	Identifies the element (or elements) that labels the current element. Value type: reference.
OWNS	Identifies an element (or elements) in order to define a visual, functional, or contextual parent/child relationship between elements where the widget hierarchy cannot be used to represent the relationship. Value type: reference.
POS_IN_SET	Defines an element's number or position in the current set of listitems or treeitems. Value type: integer.
ROW_COUNT	Defines the total number of rows in a table, grid, or treegrid. Value type: integer.
ROW_INDEX	Defines an element's row index or position with respect to the total number of rows within a table, grid, or treegrid. Value type: integer.
ROW_INDEX_TEXT	Defines a human readable text alternative of aria-rowindex. Value type: string.
ROW_SPAN	Defines the number of rows spanned by a cell or gridcell within a table, grid, or treegrid. Value type: integer.
SET_SIZE	Defines the number of items in the current set of listitems or treeitems. Value type: integer.

◆ Role

enum class Gtk::Accessible::Role

strong

Enumerator
ALERT	An element with important, and usually time-sensitive, information.
ALERT_DIALOG	A type of dialog that contains an alert message.
BANNER	Unused.
BUTTON	An input element that allows for user-triggered actions when clicked or pressed.
CAPTION	Unused.
CELL	Unused.
CHECKBOX	A checkable input element that has three possible values: `true`, `false`, or `mixed`.
COLUMN_HEADER	A header in a columned list.
COMBO_BOX	An input that controls another element, such as a list or a grid, that can dynamically pop up to help the user set the value of the input.
COMMAND	Abstract role.
COMPOSITE	Abstract role.
DIALOG	A dialog is a window that is designed to interrupt the current processing of an application in order to prompt the user to enter information or require a response.
DOCUMENT	Content that assistive technology users may want to browse in a reading mode.
FEED	Unused.
FORM	Unused.
GENERIC	A nameless container that has no semantic meaning of its own. This is the role that GTK uses by default for widgets.
GRID	A grid of items.
GRID_CELL	An item in a grid or tree grid.
GROUP	An element that groups multiple related widgets. GTK uses this role for various containers, like Gtk::HeaderBar or Gtk::Notebook.
HEADING	Unused.
IMG	An image.
INPUT	Abstract role.
LABEL	A visible name or caption for a user interface component. Defines a string value that labels the current element. Value type: string.
LANDMARK	Abstract role.
LEGEND	Unused.
LINK	A clickable link.
LIST	A list of items.
LIST_BOX	Unused.
LIST_ITEM	An item in a list.
LOG	Unused.
MAIN	Unused.
MARQUEE	Unused.
MATH	Unused.
METER	An element that represents a value within a known range.
MENU	A menu.
MENU_BAR	A menubar.
MENU_ITEM	An item in a menu.
MENU_ITEM_CHECKBOX	A check item in a menu.
MENU_ITEM_RADIO	A radio item in a menu.
NAVIGATION	Unused.
NONE	An element that is not represented to accessibility technologies. This role is synonymous to GTK_ACCESSIBLE_ROLE_PRESENTATION.
NOTE	Unused.
OPTION	Unused.
PRESENTATION	An element that is not represented to accessibility technologies. This role is synonymous to GTK_ACCESSIBLE_ROLE_NONE.
PROGRESS_BAR	An element that displays the progress status for tasks that take a long time.
RADIO	A checkable input in a group of radio roles, only one of which can be checked at a time.
RADIO_GROUP	Unused.
RANGE	Abstract role.
REGION	Unused.
ROW	A row in a columned list.
ROW_GROUP	Unused.
ROW_HEADER	Unused.
SCROLLBAR	A graphical object that controls the scrolling of content within a viewing area, regardless of whether the content is fully displayed within the viewing area.
SEARCH	Unused.
SEARCH_BOX	A type of textbox intended for specifying search criteria.
SECTION	Abstract role.
SECTION_HEAD	Abstract role.
SELECT	Abstract role.
SEPARATOR	A divider that separates and distinguishes sections of content or groups of menuitems.
SLIDER	A user input where the user selects a value from within a given range.
SPIN_BUTTON	A form of range that expects the user to select from among discrete choices.
STATUS	Unused.
STRUCTURE	Abstract role.
SWITCH	A type of checkbox that represents on/off values, as opposed to checked/unchecked values.
TAB	An item in a list of tab used for switching pages.
TABLE	Unused.
TAB_LIST	A list of tabs for switching pages.
TAB_PANEL	A page in a notebook or stack.
TEXT_BOX	A type of input that allows free-form text as its value.
TIME	Unused.
TIMER	Unused.
TOOLBAR	Unused.
TOOLTIP	Unused.
TREE	Unused.
TREE_GRID	A treeview-like, columned list.
TREE_ITEM	Unused.
WIDGET	Abstract role for interactive components of a graphical user interface.
WINDOW	Abstract role for windows.
TOGGLE_BUTTON
APPLICATION
PARAGRAPH
BLOCK_QUOTE
ARTICLE
COMMENT
TERMINAL

◆ State

enum class Gtk::Accessible::State

strong

Enumerator
BUSY	A “busy” state. This state has boolean values.
CHECKED	A “checked” state; indicates the current state of a Gtk::CheckButton. Value type: Gtk::AccessibleTristate.
DISABLED	A “disabled” state; corresponds to the Gtk::Widget::property_sensitive() property. It indicates a UI element that is perceivable, but not editable or operable. Value type: boolean.
EXPANDED	An “expanded” state; corresponds to the Gtk::Expander::property_expanded() property. Value type: boolean or undefined.
HIDDEN	A “hidden” state; corresponds to the Gtk::Widget::property_visible() property. You can use this state explicitly on UI elements that should not be exposed to an assistive technology. Value type: boolean See also: Gtk::Accessible::State::DISABLED.
INVALID	An “invalid” state; set when a widget is showing an error. Value type: Gtk::AccessibleInvalidState.
PRESSED	A “pressed” state; indicates the current state of a Gtk::ToggleButton. Value type: Gtk::AccessibleTristate enumeration.
SELECTED	A “selected” state; set when a widget is selected. Value type: boolean or undefined.
VISITED

Constructor & Destructor Documentation

◆ Accessible() [1/2]

Gtk::Accessible::Accessible ( )

protected

You should derive from this class to use it.

◆ Accessible() [2/2]

Gtk::Accessible::Accessible ( Accessible && src )

noexcept

◆ ~Accessible()

Gtk::Accessible::~Accessible ( )

overridenoexcept

Member Function Documentation

◆ add_interface()

static void Gtk::Accessible::add_interface ( GType gtype_implementer )

static

◆ announce()

void Gtk::Accessible::announce	(	const Glib::ustring &	message,
		AnnouncementPriority	priority
	)

Requests the user's screen reader to announce the given message.

This kind of notification is useful for messages that either have only a visual representation or that are not exposed visually at all, e.g. a notification about a successful operation.

Also, by using this API, you can ensure that the message does not interrupts the user's current screen reader output.

Since gtkmm 4.14:

Parameters

message	The string to announce.
priority	The priority of the announcement.

◆ get_accessible_parent() [1/2]

Glib::RefPtr< Accessible > Gtk::Accessible::get_accessible_parent ( )

Retrieves the accessible parent for an accessible object.

This function returns nullptr for top level widgets.

Since gtkmm 4.10:

Returns: The accessible parent.

◆ get_accessible_parent() [2/2]

Glib::RefPtr< const Accessible > Gtk::Accessible::get_accessible_parent ( ) const

Retrieves the accessible parent for an accessible object.

This function returns nullptr for top level widgets.

Since gtkmm 4.10:

Returns: The accessible parent.

◆ get_accessible_role()

Role Gtk::Accessible::get_accessible_role ( ) const

Retrieves the accessible role of an accessible object.

Returns: The accessible role.

◆ get_at_context() [1/2]

Glib::RefPtr< ATContext > Gtk::Accessible::get_at_context ( )

Retrieves the accessible implementation for the given Gtk::Accessible.

Since gtkmm 4.10:

Returns: The accessible implementation object.

◆ get_at_context() [2/2]

Glib::RefPtr< const ATContext > Gtk::Accessible::get_at_context ( ) const

Retrieves the accessible implementation for the given Gtk::Accessible.

Since gtkmm 4.10:

Returns: The accessible implementation object.

◆ get_bounds()

bool Gtk::Accessible::get_bounds	(	int &	x,
		int &	y,
		int &	width,
		int &	height
	)		const

Queries the coordinates and dimensions of this accessible.

This functionality can be overridden by Gtk::Accessible implementations, e.g. to get the bounds from an ignored child widget.

Since gtkmm 4.10:

Parameters

x	The x coordinate of the top left corner of the accessible.
y	The y coordinate of the top left corner of the widget.
width	The width of the accessible object.
height	The height of the accessible object.

Returns: True if the bounds are valid, and false otherwise.

◆ get_first_accessible_child() [1/2]

Glib::RefPtr< Accessible > Gtk::Accessible::get_first_accessible_child ( )

Retrieves the first accessible child of an accessible object.

since: 4.10

Returns: The first accessible child.

◆ get_first_accessible_child() [2/2]

Glib::RefPtr< const Accessible > Gtk::Accessible::get_first_accessible_child ( ) const

Retrieves the first accessible child of an accessible object.

since: 4.10

Returns: The first accessible child.

◆ get_next_accessible_sibling() [1/2]

Glib::RefPtr< Accessible > Gtk::Accessible::get_next_accessible_sibling ( )

Retrieves the next accessible sibling of an accessible object.

since: 4.10

Returns: The next accessible sibling.

◆ get_next_accessible_sibling() [2/2]

Glib::RefPtr< const Accessible > Gtk::Accessible::get_next_accessible_sibling ( ) const

Retrieves the next accessible sibling of an accessible object.

since: 4.10

Returns: The next accessible sibling.

◆ get_platform_state()

bool Gtk::Accessible::get_platform_state ( PlatformState state ) const

Query a platform state, such as focus.

See gtk_accessible_platform_changed().

This functionality can be overridden by Gtk::Accessible implementations, e.g. to get platform state from an ignored child widget, as is the case for Gtk::Text wrappers.

Since gtkmm 4.10:

Parameters

state Platform state to query.

Returns: The value of state for the accessible.

◆ get_type()

static GType Gtk::Accessible::get_type ( )

static

Get the GType for this class, for use with the underlying GObject type system.

◆ gobj() [1/2]

GtkAccessible * Gtk::Accessible::gobj ( )

inline

Provides access to the underlying C GObject.

◆ gobj() [2/2]

const GtkAccessible * Gtk::Accessible::gobj ( ) const

inline

Provides access to the underlying C GObject.

◆ operator=()

Accessible & Gtk::Accessible::operator= ( Accessible && src )

noexcept

◆ property_accessible_role() [1/2]

Glib::PropertyProxy< Role > Gtk::Accessible::property_accessible_role ( )

The accessible role of the given Gtk::Accessible implementation.

The accessible role cannot be changed once set.

Default value: Gtk::Accessible::Role::NONE

Returns: A PropertyProxy that allows you to get or set the value of the property, or receive notification when the value of the property changes.

◆ property_accessible_role() [2/2]

Glib::PropertyProxy_ReadOnly< Role > Gtk::Accessible::property_accessible_role ( ) const

The accessible role of the given Gtk::Accessible implementation.

The accessible role cannot be changed once set.

Default value: Gtk::Accessible::Role::NONE

Returns: A PropertyProxy_ReadOnly that allows you to get the value of the property, or receive notification when the value of the property changes.

◆ reset_property()

void Gtk::Accessible::reset_property ( Property property )

Resets the accessible property to its default value.

Parameters

property A Gtk::Accessible::Property.

◆ reset_relation()

void Gtk::Accessible::reset_relation ( Relation relation )

Resets the accessible relation to its default value.

Parameters

relation A Gtk::Accessible::Relation.

◆ reset_state()

void Gtk::Accessible::reset_state ( State state )

Resets the accessible state to its default value.

Parameters

state A Gtk::Accessible::State.

◆ set_accessible_parent()

void Gtk::Accessible::set_accessible_parent	(	const Glib::RefPtr< Accessible > &	parent,
		const Glib::RefPtr< Accessible > &	next_sibling
	)

Sets the parent and sibling of an accessible object.

This function is meant to be used by accessible implementations that are not part of the widget hierarchy, and but act as a logical bridge between widgets. For instance, if a widget creates an object that holds metadata for each child, and you want that object to implement the Gtk::Accessible interface, you will use this function to ensure that the parent of each child widget is the metadata object, and the parent of each metadata object is the container widget.

Since gtkmm 4.10:

Parameters

parent	The parent accessible object.
next_sibling	The sibling accessible object.

◆ update_next_accessible_sibling()

void Gtk::Accessible::update_next_accessible_sibling ( const Glib::RefPtr< Accessible > & new_sibling )

Updates the next accessible sibling of self.

That might be useful when a new child of a custom Gtk::Accessible is created, and it needs to be linked to a previous child.

Since gtkmm 4.10:

Parameters

new_sibling The new next accessible sibling to set.

◆ update_property()

void Gtk::Accessible::update_property	(	Property	property,
		const Glib::ValueBase &	value
	)

Updates an accessible property.

This function should be called by Gtk::Widget types whenever an accessible property change must be communicated to assistive technologies.

Parameters

property	A Gtk::Accessible::Property.
value	A Glib::ValueBase.

◆ update_relation()

void Gtk::Accessible::update_relation	(	Relation	relation,
		const Glib::ValueBase &	value
	)

Updates an accessible relation.

This function should be called by Gtk::Widget types whenever an accessible relation change must be communicated to assistive technologies.

Parameters

relation	A Gtk::Accessible::Relation.
value	A Glib::ValueBase.

◆ update_state()

void Gtk::Accessible::update_state	(	State	state,
		const Glib::ValueBase &	value
	)

Updates an accessible state.

This function should be called by Gtk::Widget types whenever an accessible state change must be communicated to assistive technologies.

Parameters

state	A Gtk::Accessible::State.
value	A Glib::ValueBase.

Friends And Related Symbol Documentation

◆ wrap()

Glib::RefPtr< Gtk::Accessible > wrap	(	GtkAccessible *	object,
		bool	take_copy = `false`
	)

A Glib::wrap() method for this object.

Parameters

object	The C instance.
take_copy	False if the result should take ownership of the C instance. True if it should take a new copy or ref.

Returns: A C++ instance that wraps this C instance.

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Related Symbols

Detailed Description

Member Enumeration Documentation

◆ AnnouncementPriority

◆ PlatformState

◆ Property

◆ Relation

◆ Role

◆ State

Constructor & Destructor Documentation

◆ Accessible() [1/2]

◆ Accessible() [2/2]

◆ ~Accessible()

Member Function Documentation

◆ add_interface()

◆ announce()

◆ get_accessible_parent() [1/2]

◆ get_accessible_parent() [2/2]

◆ get_accessible_role()

◆ get_at_context() [1/2]

◆ get_at_context() [2/2]

◆ get_bounds()

◆ get_first_accessible_child() [1/2]

◆ get_first_accessible_child() [2/2]

◆ get_next_accessible_sibling() [1/2]

◆ get_next_accessible_sibling() [2/2]

◆ get_platform_state()

◆ get_type()

◆ gobj() [1/2]

◆ gobj() [2/2]

◆ operator=()

◆ property_accessible_role() [1/2]

◆ property_accessible_role() [2/2]

◆ reset_property()

◆ reset_relation()

◆ reset_state()

◆ set_accessible_parent()

◆ update_next_accessible_sibling()

◆ update_property()

◆ update_relation()

◆ update_state()

Friends And Related Symbol Documentation

◆ wrap()