static void
add_arrow (GtkMenuButton *menu_button)
{
GtkWidget *arrow;
arrow = gtk_image_new ();
set_arrow_type (GTK_IMAGE (arrow), menu_button->priv->arrow_type);
gtk_container_add (GTK_CONTAINER (menu_button), arrow);
gtk_widget_show (arrow);
menu_button->priv->arrow_widget = arrow;
}
/**
* gtk_menu_button_set_direction:
* @menu_button: a #GtkMenuButton
* @direction: a #GtkArrowType
*
* Sets the direction in which the popup will be popped up, as
* well as changing the arrow’s direction. The child will not
* be changed to an arrow if it was customized.
*
* If the does not fit in the available space in the given direction,
* GTK+ will its best to keep it inside the screen and fully visible.
*
* If you pass %GTK_ARROW_NONE for a @direction, the popup will behave
* as if you passed %GTK_ARROW_DOWN (although you won’t see any arrows).
*
* Since: 3.6
*/
void
gtk_menu_button_set_direction (GtkMenuButton *menu_button,
GtkArrowType direction)
{
GtkMenuButtonPrivate *priv = menu_button->priv;
GtkWidget *child;
g_return_if_fail (GTK_IS_MENU_BUTTON (menu_button));
if (priv->arrow_type == direction)
return;
priv->arrow_type = direction;
g_object_notify (G_OBJECT (menu_button), "direction");
/* Is it custom content? We don't change that */
child = gtk_bin_get_child (GTK_BIN (menu_button));
if (priv->arrow_widget != child)
return;
set_arrow_type (GTK_IMAGE (child), priv->arrow_type);
update_popover_direction (menu_button);
}
