[gtk+/gtk-3-12] GtkPopover: inherit actions from the relative_to widget

[Owen Taylor <otaylor src gnome org>]

commit 84f6eefec832f1c7e24edca22e53945140167656
Author: Owen W. Taylor <otaylor fishsoup net>
Date:   Mon May 12 16:25:25 2014 -0400

    GtkPopover: inherit actions from the relative_to widget
    
    Make the relative_to widget the parent for a GtkPopover's
    GtkActionGroup. This, for example, makes the menu model of a
    GtkMenuButton find action groups attached to the button.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729915

 gtk/gtkpopover.c |    1 +
 gtk/gtkwidget.c  |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkpopover.c b/gtk/gtkpopover.c
index d9ce632..6255e0e 100644
--- a/gtk/gtkpopover.c
+++ b/gtk/gtkpopover.c
@@ -1651,6 +1651,7 @@ gtk_popover_update_relative_to (GtkPopover *popover,
                           G_CALLBACK (scrollable_notify_cb), popover);
     }
 
+  _gtk_widget_update_parent_muxer (GTK_WIDGET (popover));
   _gtk_popover_update_context_parent (popover);
   g_object_unref (popover);
 }
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index d3d78dd..3ff83af 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -15702,6 +15702,8 @@ _gtk_widget_update_parent_muxer (GtkWidget *widget)
 
       if (GTK_IS_MENU (widget))
         parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
+      else if (GTK_IS_POPOVER (widget))
+        parent = gtk_popover_get_relative_to (GTK_POPOVER (widget));
       else
         parent = gtk_widget_get_parent (widget);