Worked out an initial stab at a GrabSource for drag-n-drop or just simple grabbing things in the UI.

gui/guecstra.hpp

@@ -1,8 +1,28 @@
+#pragma once
 #include "components.hpp"
 #include "events.hpp"
 #include <guecs/ui.hpp>
+#include "textures.hpp"
 
 namespace guecs {
   Clickable make_action(DinkyECS::World& target, Events::GUI event);
   Clickable make_action(DinkyECS::World& target, Events::GUI event, std::any data);
+
+  struct GrabSource : public Sprite {
+    void grab(sf::RenderWindow& window) {
+      window.setMouseCursorVisible(false);
+      sprite->setOrigin({128, 128});
+    }
+
+    void move(sf::Vector2i position) {
+      sprite->setPosition({
+          float(position.x),
+          float(position.y)
+      });
+    }
+  };
+
+  struct DropTarget {
+
+  };
 }