[gnome-boxes] Fix auto-hide topbar not being shown

[Marc-Andre Lureau <malureau src gnome org>]

commit d64264b4aa536c5d521c62d37f183b4fb58c6455
Author: Marc-Andrà Lureau <marcandre lureau gmail com>
Date:   Wed Jan 4 19:59:30 2012 +0100

    Fix auto-hide topbar not being shown
    
    Workaround weird regression by removing mouse events from
    SpiceDisplay.
    
    SpiceDisplay normally needs those events, but since we forward it from
    the eventbox, that's okay
    
    https://bugzilla.gnome.org/show_bug.cgi?id=667362

 src/display-page.vala |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/display-page.vala b/src/display-page.vala
index 40b24fc..21660dd 100644
--- a/src/display-page.vala
+++ b/src/display-page.vala
@@ -159,6 +159,7 @@ private class Boxes.DisplayPage: GLib.Object {
         remove_display ();
         set_overlay_toolbar_visible (false);
         overlay_toolbar.title = toolbar.title = machine.name;
+        display.set_events (display.get_events () & ~Gdk.EventMask.POINTER_MOTION_MASK);
         event_box.add (display);
         event_box.show_all ();