Transparent Stage should not minimized when clicked inside in Javafx

Question

I am learning to create Screen Recording application in JavaFx. I want user to resize the rectangle to decide the screen capture area. I have made stage and scene Transparent by

Answer 1

Fill the rectangle as

rectangle.setFill(Color.web("blue", 0.1));
// or more transparent
rectangle.setFill(Color.web("gray", 0.01));