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a11y: Add binding-friendly accessible property setter

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Matching the one for the accessible state.
This commit is contained in:
Emmanuele Bassi 2020-07-13 17:47:36 +01:00
parent 93978544c0
commit c56e9b2031
2 changed files with 41 additions and 0 deletions
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37
gtk/gtkaccessible.c
View File

@ -239,3 +239,40 @@ gtk_accessible_update_property (GtkAccessible *self,
out:
va_end (args);
}
/**
* gtk_accessible_update_property_value:
* @self: a #GtkAccessible
* @property: a #GtkAccessibleProperty
* @value: a #GValue with the value for @property
*
* Updates an accessible property.
*
* This function should be called by #GtkWidget types whenever an accessible
* property change must be communicated to assistive technologies.
*
* This function is meant to be used by language bindings.
*/
void
gtk_accessible_update_property_value (GtkAccessible *self,
GtkAccessibleProperty property,
const GValue *value)
{
GtkATContext *context;
g_return_if_fail (GTK_IS_ACCESSIBLE (self));
context = gtk_accessible_get_at_context (self);
if (context == NULL)
return;
GtkAccessibleValue *real_value =
gtk_accessible_value_collect_for_property_value (property, value);
if (real_value == NULL)
return;
gtk_at_context_set_accessible_property (context, property, real_value);
gtk_accessible_value_unref (real_value);
gtk_at_context_update (context);
}

4
gtk/gtkaccessible.h
View File

@ -46,5 +46,9 @@ GDK_AVAILABLE_IN_ALL
void gtk_accessible_update_state_value (GtkAccessible *self,
GtkAccessibleState state,
const GValue *value);
GDK_AVAILABLE_IN_ALL
void gtk_accessible_update_property_value (GtkAccessible *self,
GtkAccessibleProperty property,
const GValue *value);
G_END_DECLS