ATContext

class ATContext(**properties: Any)

Superclasses: Object

Communicates with platform-specific assistive technologies API.

Each platform supported by GTK implements a GtkATContext subclass, and is responsible for updating the accessible state in response to state changes in GtkAccessible.

Constructors

class ATContext

classmethod create(accessible_role: AccessibleRole, accessible: Accessible, display: Display) → ATContext | None

Creates a new GtkATContext instance for the given accessible role, accessible instance, and display connection.

The GtkATContext implementation being instantiated will depend on the platform.

Parameters:

• accessible_role – the accessible role used by the GtkATContext

• accessible – the GtkAccessible implementation using the GtkATContext

• display – the GdkDisplay used by the GtkATContext

Methods

class ATContext

get_accessible() → Accessible

Retrieves the GtkAccessible using this context.

get_accessible_role() → AccessibleRole

Retrieves the accessible role of this context.

Properties

class ATContext

props.accessible: Accessible

The GtkAccessible that created the GtkATContext instance.

props.accessible_role: AccessibleRole

The accessible role used by the AT context.

Depending on the given role, different states and properties can be set or retrieved.

props.display: Display

The GdkDisplay for the GtkATContext.

props.realized: bool

Whether the GtkATContext has been realized or not.

Added in version 4.24.

Signals

class ATContext.signals

state_change() → None

Emitted when the attributes of the accessible for the GtkATContext instance change.