Blur window switcher

Author: lenemter

src/Widgets/WindowSwitcher/WindowSwitcher.vala

@@ -102,6 +102,8 @@ public class Gala.WindowSwitcher : CanvasActor, GestureTarget {
         };
         add_effect (shadow_effect);
 
+        add_effect (new BackgroundBlurEffect (12, 8, 1));
+
         scale ();
 
         container.button_release_event.connect (container_mouse_release);
@@ -166,6 +168,8 @@ public class Gala.WindowSwitcher : CanvasActor, GestureTarget {
             highlight_color = Drawing.Color.DARK_HIGHLIGHT;
         }
 
+        background_color.alpha = 0.3;
+
         var stroke_width = scaling_factor;
 
 #if HAS_MUTTER47