Compositor: make the extensions property list optional

Extensions will now automatically add themselves to their parent
if they are not inside an extensions [ ... ] array.

Change-Id: I26c7f7c2ee023595eb4cd2496dd56e212f05329c
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Reviewed-by: Jan Arne Petersen <jan.petersen@kdab.com>
Reviewed-by: Giulio Camuffo <giulio.camuffo@kdab.com>

1 files changed, 6 insertions, 8 deletions

diff --git a/examples/wayland/multi-output/qml/main.qml b/examples/wayland/multi-output/qml/main.qml
index 6a1483bca..18fbd4604 100644
--- a/examples/wayland/multi-output/qml/main.qml
+++ b/examples/wayland/multi-output/qml/main.qml
@@ -81,16 +81,14 @@ WaylandCompositor {
         }
     }
 
-    extensions: [
-        WlShell {
-            id: defaultShell
+    WlShell {
+        id: defaultShell
 
-            onShellSurfaceCreated: {
-                var item = chromeComponent.createObject(defaultOutput.surfaceArea, { "shellSurface": shellSurface } );
-                item.surface.activated.connect(item.raise);
-            }
+        onShellSurfaceCreated: {
+            var item = chromeComponent.createObject(defaultOutput.surfaceArea, { "shellSurface": shellSurface } );
+            item.surface.activated.connect(item.raise);
         }
-    ]
+    }
 
     onCreateSurface: {
         var surface = surfaceComponent.createObject(comp, { } );