popovermenubar: Initial accessibility setup

Set roles, properties and relations according to the
ARIA authoring practices document. This is not quite
complete.
This commit is contained in:
Matthias Clasen 2020-10-21 16:34:16 -04:00
parent 2bfd4196fb
commit 758bcd5343

View File

@ -45,6 +45,12 @@
*
* The item whose popover is currently open gets the .active
* style class.
*
* # Accessibility
*
* GtkPopoverMenuBar uses the #GTK_ACCESSIBLE_ROLE_MENU_BAR role,
* the menu items use the #GTK_ACCESSIBLE_ROLE_MENU_ITEM role and
* the menus use the #GTK_ACCESSIBLE_ROLE_MENU role.
*/
@ -126,7 +132,12 @@ set_active_item (GtkPopoverMenuBar *bar,
was_popup = FALSE;
if (was_popup && changed)
gtk_popover_popdown (bar->active_item->popover);
{
gtk_accessible_update_state (GTK_ACCESSIBLE (bar->active_item),
GTK_ACCESSIBLE_STATE_EXPANDED, FALSE,
-1);
gtk_popover_popdown (bar->active_item->popover);
}
if (changed)
{
@ -142,7 +153,12 @@ set_active_item (GtkPopoverMenuBar *bar,
if (bar->active_item)
{
if (popup || (was_popup && changed))
gtk_popover_popup (bar->active_item->popover);
{
gtk_popover_popup (bar->active_item->popover);
gtk_accessible_update_state (GTK_ACCESSIBLE (bar->active_item),
GTK_ACCESSIBLE_STATE_EXPANDED, FALSE,
-1);
}
else if (changed)
gtk_widget_grab_focus (GTK_WIDGET (bar->active_item));
}
@ -316,6 +332,22 @@ gtk_popover_menu_bar_item_activate (GtkPopoverMenuBarItem *item)
set_active_item (bar, item, TRUE);
}
static void
gtk_popover_menu_bar_item_root (GtkWidget *widget)
{
GtkPopoverMenuBarItem *item = GTK_POPOVER_MENU_BAR_ITEM (widget);
GTK_WIDGET_CLASS (gtk_popover_menu_bar_item_parent_class)->root (widget);
gtk_accessible_update_relation (GTK_ACCESSIBLE (widget),
GTK_ACCESSIBLE_RELATION_LABELLED_BY, g_list_append (NULL, item->label),
GTK_ACCESSIBLE_RELATION_CONTROLS, g_list_append (NULL, item->popover),
-1);
gtk_accessible_update_property (GTK_ACCESSIBLE (widget),
GTK_ACCESSIBLE_PROPERTY_HAS_POPUP, TRUE,
-1);
}
static void
gtk_popover_menu_bar_item_class_init (GtkPopoverMenuBarItemClass *klass)
{
@ -325,6 +357,7 @@ gtk_popover_menu_bar_item_class_init (GtkPopoverMenuBarItemClass *klass)
object_class->dispose = gtk_popover_menu_bar_item_dispose;
object_class->finalize = gtk_popover_menu_bar_item_finalize;
widget_class->root = gtk_popover_menu_bar_item_root;
widget_class->measure = gtk_popover_menu_bar_item_measure;
widget_class->size_allocate = gtk_popover_menu_bar_item_size_allocate;
@ -340,6 +373,7 @@ gtk_popover_menu_bar_item_class_init (GtkPopoverMenuBarItemClass *klass)
G_TYPE_NONE, 0);
gtk_widget_class_set_css_name (widget_class, I_("item"));
gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_MENU_ITEM);
}
enum
{
@ -552,6 +586,10 @@ gtk_popover_menu_bar_root (GtkWidget *widget)
toplevel = GTK_WIDGET (gtk_widget_get_root (widget));
add_to_window (GTK_WINDOW (toplevel), bar);
gtk_accessible_update_property (GTK_ACCESSIBLE (bar),
GTK_ACCESSIBLE_PROPERTY_ORIENTATION, GTK_ORIENTATION_HORIZONTAL,
-1);
}
static void
@ -598,6 +636,7 @@ gtk_popover_menu_bar_class_init (GtkPopoverMenuBarClass *klass)
gtk_widget_class_set_layout_manager_type (widget_class, GTK_TYPE_BOX_LAYOUT);
gtk_widget_class_set_css_name (widget_class, I_("menubar"));
gtk_widget_class_set_accessible_role (widget_class, GTK_ACCESSIBLE_ROLE_MENU_BAR);
}
static void