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Merge branch 'ebassi/lazier-a11y' into 'master'

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Lazier accessibility

See merge request GNOME/gtk!3102
This commit is contained in:
Emmanuele Bassi 2021-01-21 18:57:34 +00:00
commit c46391420f
4 changed files with 35 additions and 14 deletions
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16
gtk/a11y/gtkatspicache.c
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@ -58,6 +58,9 @@ struct _GtkAtSpiCache
/* HashTable<GtkAtSpiContext, str> */
GHashTable *contexts_to_path;
/* Re-entrancy guard */
gboolean in_get_items;
};
enum
@ -250,10 +253,17 @@ handle_cache_method (GDBusConnection *connection,
{
GVariantBuilder builder = G_VARIANT_BUILDER_INIT (G_VARIANT_TYPE ("(" GET_ITEMS_SIGNATURE ")"));
/* Prevent the emission os signals while collecting accessible
* objects as the result of walking the accessible tree
*/
self->in_get_items = TRUE;
g_variant_builder_open (&builder, G_VARIANT_TYPE (GET_ITEMS_SIGNATURE));
collect_cached_objects (self, &builder);
g_variant_builder_close (&builder);
self->in_get_items = FALSE;
g_dbus_method_invocation_return_value (invocation, g_variant_builder_end (&builder));
}
}
@ -371,7 +381,11 @@ gtk_at_spi_cache_add_context (GtkAtSpiCache *self,
GTK_NOTE (A11Y, g_message ("Adding context '%s' to cache", path_key));
emit_add_accessible (self, context);
/* GetItems is safe from re-entrancy, but we still don't want to
* emit an unnecessary signal while we're collecting ATContexts
*/
if (!self->in_get_items)
emit_add_accessible (self, context);
}
void

26
gtk/gtkwidget.c
View File

@ -2374,7 +2374,7 @@ gtk_widget_init (GTypeInstance *instance, gpointer g_class)
priv->at_context = gtk_accessible_get_at_context (GTK_ACCESSIBLE (widget));
}
static void
void
gtk_widget_realize_at_context (GtkWidget *self)
{
GtkWidgetPrivate *priv = gtk_widget_get_instance_private (self);
@ -2383,10 +2383,6 @@ gtk_widget_realize_at_context (GtkWidget *self)
if (priv->at_context == NULL || gtk_at_context_is_realized (priv->at_context))
return;
/* Realize the root ATContext first */
if (!GTK_IS_ROOT (self))
gtk_widget_realize_at_context (GTK_WIDGET (priv->root));
/* Reset the accessible role to its current value */
if (role == GTK_ACCESSIBLE_ROLE_WIDGET)
{
@ -2400,6 +2396,18 @@ gtk_widget_realize_at_context (GtkWidget *self)
gtk_at_context_realize (priv->at_context);
}
void
gtk_widget_unrealize_at_context (GtkWidget *widget)
{
GtkWidgetPrivate *priv = gtk_widget_get_instance_private (widget);
if (priv->at_context != NULL)
{
gtk_at_context_set_display (priv->at_context, gdk_display_get_default ());
gtk_at_context_unrealize (priv->at_context);
}
}
void
gtk_widget_root (GtkWidget *widget)
{
@ -2428,8 +2436,6 @@ gtk_widget_root (GtkWidget *widget)
if (priv->layout_manager)
gtk_layout_manager_set_root (priv->layout_manager, priv->root);
gtk_widget_realize_at_context (widget);
GTK_WIDGET_GET_CLASS (widget)->root (widget);
if (!GTK_IS_ROOT (widget))
@ -2454,12 +2460,6 @@ gtk_widget_unroot (GtkWidget *widget)
GTK_WIDGET_GET_CLASS (widget)->unroot (widget);
if (priv->at_context != NULL)
{
gtk_at_context_set_display (priv->at_context, gdk_display_get_default ());
gtk_at_context_unrealize (priv->at_context);
}
if (priv->context)
gtk_style_context_set_display (priv->context, gdk_display_get_default ());

3
gtk/gtkwidgetprivate.h
View File

@ -373,6 +373,9 @@ gboolean gtk_widget_focus_self (GtkWidget *widget,
void gtk_widget_update_orientation (GtkWidget *widget,
GtkOrientation orientation);
void gtk_widget_realize_at_context (GtkWidget *widget);
void gtk_widget_unrealize_at_context (GtkWidget *widget);
/* inline getters */
static inline GtkWidget *

4
gtk/gtkwindow.c
View File

@ -3806,6 +3806,8 @@ gtk_window_map (GtkWidget *widget)
if (priv->application)
gtk_application_handle_window_map (priv->application, window);
gtk_widget_realize_at_context (widget);
}
static void
@ -3818,6 +3820,8 @@ gtk_window_unmap (GtkWidget *widget)
GTK_WIDGET_CLASS (gtk_window_parent_class)->unmap (widget);
gdk_surface_hide (priv->surface);
gtk_widget_unrealize_at_context (widget);
if (priv->title_box != NULL)
gtk_widget_unmap (priv->title_box);