[gnome-boxes/reboot-required-only-when-changed] libvirt-machine-properties: Require reboot only when 3D accel changes

[Felipe Borges <felipeborges src gnome org>]

commit 276c495377b79ec93e41cc8c4b1fdd90c6d43971
Author: Felipe Borges <felipeborges gnome org>
Date:   Fri May 24 14:22:32 2019 +0200

    libvirt-machine-properties: Require reboot only when 3D accel changes
    
    When the 3D acceleration is enabled/disabled and the VM is on, we
    need to recommend a reboot.

 src/libvirt-machine-properties.vala | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/src/libvirt-machine-properties.vala b/src/libvirt-machine-properties.vala
index c039bb79..59673d23 100644
--- a/src/libvirt-machine-properties.vala
+++ b/src/libvirt-machine-properties.vala
@@ -686,7 +686,6 @@ private void add_3d_acceleration_property (ref List<Boxes.Property> list) {
         var toggle = new Gtk.Switch ();
         toggle.halign = Gtk.Align.START;
         var property = add_property (ref list, _("3D Acceleration"), toggle);
-        property.reboot_required = true;
 
         machine.bind_property ("acceleration-3d", toggle, "active",
                                BindingFlags.BIDIRECTIONAL | BindingFlags.SYNC_CREATE);
@@ -701,5 +700,10 @@ private void add_3d_acceleration_property (ref List<Boxes.Property> list) {
                 warning (error.message);
             }
         });
+
+        toggle.notify["active"].connect (() => {
+            property.reboot_required = machine.is_on;
+        });
+
     }
 }