rightlcick copy multiple objects fix

src/ui/view/MyCanvas.java

@@ -420,7 +420,7 @@ public class MyCanvas extends JPanel implements MouseListener, MouseMotionListen
 		}
 		
 
-		if (!e.isControlDown() && dragged == false && tempCps != null) {
+		if (!e.isControlDown() && dragged == false && tempCps != null && e.BUTTON3 != e.getButton()) {
 			model.getSelectedCpsObjects().clear();
 			controller.addSelectedObject(tempCps);
 		}