[gnome-boxes/wip/cdavis/fullscreen-fix] app-window: Bind toolbar visibility to fullscreen prop

[Christopher Davis <christopherdavis src gnome org>]

commit ef2d7c1b8078231a8b9a817e93e6ef25602cbdbb
Author: Christopher Davis <brainblasted disroot org>
Date:   Tue Feb 9 11:33:28 2021 -0800

    app-window: Bind toolbar visibility to fullscreen prop
    
    Fixes https://gitlab.gnome.org/GNOME/gnome-boxes/-/issues/650

 data/ui/app-window.ui | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/ui/app-window.ui b/data/ui/app-window.ui
index 67739a76..187e2848 100644
--- a/data/ui/app-window.ui
+++ b/data/ui/app-window.ui
@@ -50,7 +50,7 @@
 
         <child>
           <object class="BoxesTopbar" id="topbar">
-            <property name="visible">True</property>
+            <property name="visible" bind-source="BoxesAppWindow" bind-property="fullscreened" 
bind-flags="invert-boolean">True</property>
           </object>
         </child>