messageTray: Make sure that the source actor is square

Commit b7e1539699ef removed the size to support hidpi but that caused the
actor to no longer be square. Fix that by going back to setting a size
but apply the scale factor before doing so.

diff --git a/js/ui/messageTray.js b/js/ui/messageTray.js
index 1e5429717cbaa8f675211747e21f06fa13ee94b2..6cdc64cc77f45f45c1ac4304d46119881e6a9ac5 100644 (file)
--- a/js/ui/messageTray.js
+++ b/js/ui/messageTray.js
@@ -1162,8 +1162,10 @@ const SourceActor = new Lang.Class({
         }));
         this._actorDestroyed = false;
 
+        let scale_factor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
         this._iconBin = new St.Bin({ x_fill: true,
-                                     y_fill: true });
+                                     height: size * scale_factor,
+                                     width: size * scale_factor });
 
         this.actor.add_actor(this._iconBin);