Taking things from the LootUI to the StatusUI works way better now and there's a DropTarget to match the GrabSource.

gui/guecstra.cpp

@@ -19,4 +19,18 @@ namespace guecs {
       target.send<Events::GUI>(event, ent, data);
     }};
   }
+
+
+  void GrabSource::grab(sf::RenderWindow& window) {
+    window.setMouseCursorVisible(false);
+    sprite->setOrigin({128, 128});
+  }
+
+  void GrabSource::move(sf::Vector2i position) {
+    sprite->setPosition({
+        float(position.x),
+        float(position.y)
+    });
+  }
+
 }