[gnome-boxes] notificationbar: Stack up notifications

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

commit dacb098ed8459f67389ccf635ce52f6ec6075eb4
Author: Zeeshan Ali (Khattak) <zeeshanak gnome org>
Date:   Wed May 13 20:42:31 2015 +0100

    notificationbar: Stack up notifications
    
    Instead of displaying all notifications in the same place and ending up
    with all but one being obstructed, let's stack them up vertically.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=748711

 src/notificationbar.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/notificationbar.vala b/src/notificationbar.vala
index 9a3e9f8..5d78d8e 100644
--- a/src/notificationbar.vala
+++ b/src/notificationbar.vala
@@ -9,6 +9,7 @@ private class Boxes.Notificationbar: Gtk.Grid {
     public Searchbar searchbar;
 
     construct {
+        orientation = Gtk.Orientation.VERTICAL;
         valign = Gtk.Align.START;
         halign = Gtk.Align.CENTER;
         get_style_context ().add_class ("transparent-bg");
@@ -81,7 +82,7 @@ private class Boxes.Notificationbar: Gtk.Grid {
     }
 
     private void add_notification (Widget w) {
-        attach (w, 0, 0, 1, 1);
+        add (w);
     }
 
     private Gd.Notification display (string                         message,