And now clicking with a mouse jumps the square to that spot.

sfmldemo/main.cpp

@@ -94,6 +94,12 @@ int main() {
             shape.move(0, 20);
           }
           break;
+        case sf::Event::MouseButtonPressed:
+          if(sf::Mouse::isButtonPressed(sf::Mouse::Left)) {
+            sf::Vector2i clickAt = sf::Mouse::getPosition(window);
+            shape.setPosition(clickAt.x, clickAt.y);
+          }
+          break;
       }
     }